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WO2000066339A1 - Procede et dispositif de production d'un article en resine moule - Google Patents

Procede et dispositif de production d'un article en resine moule Download PDF

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Publication number
WO2000066339A1
WO2000066339A1 PCT/JP2000/002747 JP0002747W WO0066339A1 WO 2000066339 A1 WO2000066339 A1 WO 2000066339A1 JP 0002747 W JP0002747 W JP 0002747W WO 0066339 A1 WO0066339 A1 WO 0066339A1
Authority
WO
WIPO (PCT)
Prior art keywords
release agent
mold
resin
molded product
resin molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2000/002747
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Murata
Shigeo Hosokawa
Satoru Hayakawa
Yasushi Watanabe
Kiyoshi Morimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KH Neochem Co Ltd
Original Assignee
Kyowa Hakko Kogyo Co Ltd
Kyowa Yuka Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyowa Hakko Kogyo Co Ltd, Kyowa Yuka Co Ltd filed Critical Kyowa Hakko Kogyo Co Ltd
Priority to AU43145/00A priority Critical patent/AU4314500A/en
Publication of WO2000066339A1 publication Critical patent/WO2000066339A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/58—Applying the releasing agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9175—Cooling of flat articles, e.g. using specially adapted supporting means by interposing a fluid layer between the supporting means and the flat article

Definitions

  • the present invention relates to a method of manufacturing a resin molded product and an apparatus for manufacturing a resin molded product, and more particularly, to a method of extruding a sheet material such as a film sheet or a rod from a guild when continuously manufacturing a rod by extrusion.
  • a method for producing a resin molded product which does not cause a resin molded product to adhere to a mold without adding a release agent to a raw material, and a resin suitable for carrying out the method for producing a resin molded product.
  • the present invention relates to an apparatus for manufacturing a molded article. Background art
  • sheet materials such as film sheets, rods, cushions, bumpers, pipes, frames, furniture, housing materials for office equipment, medical equipment, measuring equipment, computers, etc., electrical and acoustic cabinets, and heat insulation for refrigerators, etc.
  • Various resin articles are used as housing materials for equipment, housing materials such as window frames, and core materials such as skis.
  • Such resin molded products are manufactured by various resin molded products such as extrusion molding, injection molding, and reaction injection molding (reaction ion injection (u) lding). It is manufactured by a manufacturing method.
  • FIG. 20 is an overall configuration diagram schematically showing an example of an apparatus for producing a resin molded product (a so-called extruder) for performing a conventional extrusion molding method.
  • the apparatus 101 for manufacturing the resin S product includes a resin storage hopper 102 for storing a resin raw material R serving as a raw material of the resin molded product p, a die 103, an extruder 104B, and a plurality of roll means 105a, 105b, 105. , And sheet material winding roll means 105c.
  • the die 103 includes a resin molding port 103a having a shape similar to a resin molded product such as a slit.
  • the extruder 104A includes an extruder body 141, a heater 142 provided outside the extruder body 141, a screw 143 rotatably housed in the extruder body 141, and a screw 143.
  • a rotating electric motor 144 and the like are provided, and a die 103 is connected to a tip portion thereof, and a resin storage hopper 102 is connected to a middle portion thereof.
  • the plurality of roll means 105 a, 105 b, 105 ⁇ and the sheet material winding port means 105 c are provided on the downstream side of the die 103. Then, the distance between the roll means 105a and the roll means 105b and the rotational speed of each of the roll means 105a, 105b, 105, and the sheet material winding roll means 105c are adjusted. Thus, the molten resin Rm discharged from the resin molding port 103a of the die 103 can be formed into a molded product (for example, a film sheet) having a predetermined flli. In this way, the resin having a predetermined film thickness is sequentially wound around the sheet material winding roll means 105c.
  • a molded product for example, a film sheet
  • a cooling liquid for cooling the molten resin extruded from the die 103 is passed through the roll means 105a and 105b.
  • the resin forming opening 103a of the die 103 is provided near the roll means 105a, 105b provided at a position close to the die 103.
  • the molten resin Rm discharged from the To prevent sticking to each of 05a, 105b, release paper from paper feeding means (roll) 106a, 10613? 1, P2 is supplied.
  • the paper feeding means (roll) 106a supplies the release paper P1 wound around the paper feeding means (roll) 106a to the roll means 105a.
  • the paper feeding means (roll) 106 b supplies the release paper P 2 wound on the paper feeding means (port) 106 b to the roll means 105 b. ing.
  • the molten resin Rm discharged from the resin molding port 103 a of the die 103 is supplied to the release paper P 1, which is fed from each of the paper feeding means (rolls) 106 a and 106 b. After being sandwiched by P2 to form a sandwich structure, it is passed between the roll means 105a and the roll means 105b, so that the roll means 105a, 105 The molten resin Rm does not stick.
  • a die 103 having a slit-shaped resin molding opening 103 a is used.
  • the resin raw material R which is the raw material of the resin molded product (film sheet) p, is stored in the resin storage hopper 102.
  • the extruder 104 A is heated in the extruder 140 2..., And the electric motor 144 is rotationally driven to rotate the screw 144.
  • the resin raw material R discharged from the resin storage hopper 102 into the extruder body 14 1 is rotated by the screw 14 3 so that the extruder body 14 is rotated.
  • the resin raw material R discharged into the extruder body 141 is melted by the heat of the heater 144 while moving in the extruder body 141 in the direction of the die 103. It is extruded sequentially from the resin molding opening 103 a of the die 103 It is.
  • Cooling liquid flows through each of the roll means 105a and 105b.
  • each of the two paper feeding means (rolls) 106a and 106b is driven to rotate, and the release papers Pl and P2 wrapped around the paper feeding means (rolls) 106a and 106b, respectively.
  • the distance between the roll means 105a and the roll means 105b is adjusted to a predetermined distance, and each of the roll means 105a, 105b, 105, and the sheet material winding means 105c is provided. Is controlled to a predetermined rotation speed.
  • the molten resin Rm continuously discharged from the core 103 of the die 103 is cooled when passing between the roll means 105a and the roll means 105b.
  • Each of 105a, 105b, 105 ⁇ ⁇ ⁇ and the sheet material winding roll means 105c is pulled by a predetermined tensile force to form a resin molded product (film sheet) p having a desired film thickness.
  • the release paper Pl, the resin molded product (film sheet) and the release paper P2 are continuously wound on the sheet material winding roll means 105c sequentially in a sandwich structure.
  • FIG. 21 is an overall configuration diagram schematically showing an example of a resin molded product manufacturing apparatus (a so-called injection machine) that carries out a conventional injection molding method.
  • a resin molded product manufacturing apparatus a so-called injection machine
  • This injection machine 101B is a raw material storage hopper for storing the raw material R of the resin molded product p. — Includes 102, a mold 107, and an injection unit 104B.
  • the raw material storage hopper 102 is connected to the injection unit 104B at a position behind the injection unit 104B.
  • 102 a indicates an outlet of the raw material storage hopper 102
  • c 1 indicates a connection portion between the raw material storage hopper 102 and the injection unit 104 B. Is shown.
  • the mold 107 includes a fixed mold 107a and a movable mold 107b.
  • the fixed mold 107 a is configured such that the tip c 2 of the injection unit 104 B comes into contact with the fixed mold 107 a.
  • the member device denoted by 107 e indicates the ejector 1
  • the ejector 107 e is provided so as to be able to protrude and retract from the surface of the movable mold 107 b.
  • the injection unit 104B as a whole is movable with respect to the mold 107 so as to be able to move forward and backward.
  • the injection unit 104 B is composed of a cylinder 14 1, a heater 14 2... Provided outside the cylinder 14 1, and a rotatable cylinder 14 1. To rotate the screw 144 and the screw 144, which are accommodated so that the screw can move forward and backward, and to advance and retract the screw 144 toward the tip of the extruder unit 104. Screw rotation and extrusion means 144 are provided.
  • the screw rotating / extruding means 144 is rotatable by screw rotating means (not shown) such as an electric motor.
  • the screw rotating / extruding means 14 4 is provided with a hydraulic means (not shown) so that the screw 14 3 can be pushed forward and the screw 14 3 can be moved to the rear of the cylinder 14 1. I'm sorry.
  • the screw 144 itself moves (retreats) to the rear side of the cylinder 141 by feeding the raw material R and / or the molten raw material Rm forward.
  • the resin molded product P When manufacturing the resin molded product P, first, as a fixed mold 107a and a movable mold 107b, these are clamped, and the molded resin is manufactured in the mold 107. Prepare a product on which a ⁇ -shaped surface of the product shape and the inverted shape is formed.
  • the raw material R of the resin molded product p is accommodated in the raw material storage hopper 102. More specifically, in the raw material storage hopper 102, a stabilizer, a plasticizer, a lubricant, a hardener, a hardening accelerator, a reinforcing material, a filler, and the like, in order to improve the properties of the raw material resin and the resin molded product. Contains additives such as antistatic agents, flame retardants, ultraviolet absorbers, coloring agents, antioxidants, anti-aging agents, and mold release agents.
  • resin pellets As the raw material resin, resin pellets and, in some cases, a vermette to which a release agent is added in advance are used.
  • the fixed mold 107a and the movable mold 107b are clamped (mold clamping step). Heat the heater to a predetermined temperature.
  • the screw 144 is rotated at a predetermined rotation speed by rotating the screw rotating / extruding means 144.
  • the screw rotation / extruding means 144 When the screw rotation / extruding means 144 is driven to rotate at a predetermined rotation speed, the screw 144 rotates at a predetermined rotation speed.
  • the raw material R stored in the raw material storage hopper 102 is supplied into the cylinder 141 from the outlet 102 a of the raw material storage hopper 102.
  • the raw material R supplied into the cylinder 141 moves in the cylinder 141 in the direction of the fixed mold 107a as the screw 144 rotates.
  • the raw material R is melted by the heat of the heater 142 while moving in the fixed mold 10 ⁇ a direction in the cylinder 141, and the raw material R m is stored at the tip of the cylinder.
  • the screw 144 itself moves (retreats) to the rear side of the cylinder 141.
  • the injection unit 104B is advanced in the mold 107 direction to make contact with the resin injection port (nozzle setting part) of the mold 107 (nozzle setting process).
  • the screw 144 is extruded in the direction of the fixed mold 107a by using the hydraulic means (not shown) of the screw rotating / extruding means 144.
  • the molten raw material Rm stored at the tip of the cylinder 141 is injected into the closed mold 107 (injection step).
  • the molten raw material Rm injected into the mold 107 is indirectly cooled and solidified by the cooling water passing through the mold 107.
  • all of the injection unit 104B is stopped except for the rotation of the screw 144 (cooling step).
  • melting and metering of the raw material R are performed simultaneously.
  • the raw material R used in the next injection step is supplied from the raw material storage hopper 102 into the cylinder 141 by the rotation of the screw 144.
  • the raw material R supplied into the cylinder 141 moves in the cylinder 141 in the direction of the fixed mold 107a with the rotation of the screw 144.
  • the raw material R in the cylinder 141 is brought into a molten state by the heat of 140 It is stored at the tip of the cylinder.
  • the screw 144 itself starts retreating by the transfer force (extrusion force) generated in the molten raw material R due to the rotation of the screw 144.
  • the amount of the molten raw material R m stored in the cylinder 144 and at the tip of the cylinder 144 is adjusted to an amount commensurate with the capacity to be injected next. (The process of melting and measuring the raw materials).
  • the movable mold 107 b is moved to move the mold. Opening 107 (mold opening process), the resin molded product p molded in the mold 107 is ejected to the ejector 107c and, in some cases, an automatic machine having a gripper for gripping the resin molded product. It is taken out to the target location using a take-out robot means (not shown) or the like (resin molded product protruding process).
  • FIG. 21 illustrates an example of an injection molding machine 101B using the screw 144
  • an injection molding machine using a plunger has already been proposed as an injection molding machine.
  • FIG. 22 is a plan view schematically showing an apparatus for producing a resin molded product for performing the conventional reaction injection molding method.
  • FIG. 23 is a plan view of the conventional resin ⁇ shown in FIG. It is a perspective view which shows typically the structure of the manufacturing apparatus of a molded article.
  • the resin manufacturing apparatus 101C includes a raw material storage tank 109, a mixing hopper 110, a heating furnace 111, and a pelt conveyor for transporting a mold 111. Transport Means 1 1 and 3 are provided.
  • a member device denoted by 114 C indicates a control device (arithmetic processing device) that controls and controls the entire resin molded product manufacturing device 101 C.
  • the raw material storage tank 109 is a raw material storage tank 109 a and 109 b for storing raw materials R 1 and R 2 of the resin molded product p and a reaction catalyst for storing a reaction catalyst (or a reaction initiator).
  • a tank 109 c is provided.
  • the raw material storage tank 109 generally stores, in addition to these raw materials, a release agent used to prevent the resin molded product p from sticking to the mold surface of the mold 112. Release tank 1109 d.
  • the raw material storage tank 109 may include a blowing agent storage tank (not shown) for storing a blowing agent, and a stabilizer storage tank (for example, silicon, etc.) for storing a stabilizer (for example, silicon, etc.), if necessary. ) May be provided.
  • a blowing agent storage tank for storing a blowing agent
  • a stabilizer storage tank for example, silicon, etc.
  • raw materials Rl and R2 of the resin molded product reactive low-viscosity and low-molecular-weight liquid raw materials are used.
  • low-molecular-weight polyether and low-molecular-weight polyisocyanate are contained in each of the raw material storage tanks 109a and 109b.
  • stirring blades (stirring blades 110a shown by a shaded line in FIG. 23) are rotatably accommodated, and the reaction blades supplied from the raw material storage tank 109 react with each other.
  • Low-viscosity, low-molecular-weight liquid raw materials R 1, R 2, a reaction catalyst, and the like can be uniformly mixed using the stirring blade 110 a.
  • the reactivities of the raw material storage tanks 109 a and 109 b of the raw material storage tank Contains low viscosity, low molecular weight liquid raw materials R 1 and R 2 respectively
  • reaction catalyst (or a reaction initiator) is contained in the reaction catalyst tank 109c. Also, the release agent powder is stored in the release agent storage tank 109 d.
  • a foaming agent may be stored in a foaming agent storage tank (not shown), or a stabilizer may be stored in a stabilizer storage tank (not shown).
  • a foaming agent and a stabilizer are supplied to the mixing hopper 110 from the raw material storage tank 109 as necessary.
  • the stirring blade 1 By rotating 10a, the raw material storage tank 109 was supplied to the mixing hopper 110, and the liquid raw materials R1, R2 with low viscosity and low molecular weight supplied to the mixing hopper 110, reaction catalyst (Or the reaction initiator), and the powder of the release agent, etc. are uniformly stirred.
  • the mold 1 1 2 is opened, and the conveying means 1 1 3 is moved to convey the mold 1 1 2 to the raw material filling station S 1.
  • the molds 112 are filled with the raw materials Rl, R2, the reaction catalyst (or reaction initiator), the powder of the release agent, etc., which are uniformly stirred. After that, the molds 1 1 and 2 are closed.
  • the transfer means 113 is moved to transfer the mold 112 to the heating station S2, that is, to the heating furnace 111.
  • the mold 112 filled with the raw materials Rl, R2 and the like is heated to a predetermined temperature by the heating furnace 111 in the heating station S2.
  • the mold 1 Raw materials R 1 and R 2 filled in 112 react with each other to produce resin molded article P in mold 112.
  • the dies 111 are conveyed to the mold opening station S3 by the conveying means 113.
  • the mold 112 cooled to a predetermined temperature or lower is opened, and the resin molded product p formed in the mold 112 is taken out to a predetermined place.
  • the mold 1 1 2 from which the resin molded product p has been taken out is transported to the raw material filling station S 1 by the transport means 113 while being opened, and the next resin molded product is manufactured. To be served.
  • a resin molded product for example, a sheet material such as a film sheet
  • the sheet material is rolled up on a sheet material winding means 105 c, but is wound on a sheet material such as a film sheet, but is wound on a sheet material winding roll means 105 c.
  • the release paper is present on one of the front and back surfaces of the resin molded product (for example, a sheet material such as a film sheet).
  • the manufacturing cost incurred when manufacturing resin molded products will be reduced by the amount that one of the release papers Pl and P2 becomes unnecessary. As a result, the manufacturing cost of the resin molded product p can be kept low.
  • a resin raw material R as a raw material of the resin molded product (film sheet) p in the resin storage hopper 102 when the resin molded product is manufactured.
  • a powder of a release agent is added, and in addition to the resin raw material R, a grease pellet in which a release agent is added and dispersed in advance is used.
  • a powder of a release agent is put into the resin storage hopper 102, and in addition to the resin raw material R, the mold release is previously performed.
  • the release agent is included in the resin molded product (film sheet) to be manufactured, so the release agent is included in the resin molded product.
  • the resin raw material R which is the raw material of the resin molded product (film sheet) p
  • a powder of a release agent is put into the resin storage hopper 102.
  • the resin raw material R was melted into molten resin Rm in the extruder main body 141 by the heat of 1
  • the release agent appears on the surface of the molten resin Rm, and the release agent intervenes between the screw 144 and the molten resin Rm.
  • a phenomenon may occur in which the molten resin Rm cannot be extruded from the resin molding port 103 a of the die 103.
  • a certain amount of molten resin is not extruded from the die 103, so that a resin molded product (film sheet) p cannot be manufactured continuously.
  • the production efficiency of resin products (film sheets) p is significantly reduced
  • a first object of the present invention has been made to solve the above-described problems, and the roll means 105 a, 10 b can be used without using any release papers Pl, P2.
  • the molten resin R m discharged from the resin molding port 103 a of the die 103 does not stick to 5 b, and further, in addition to the resin raw material R, the molten resin R m is separated into the resin storage hopper 102.
  • the molded product P when manufacturing a resin molded product, the molded product P is attached to the fixed mold 107 a or the movable mold 107 b.
  • a suitable amount of release agent powder is contained in the resin storage hopper 102 in order to prevent resin release.
  • the pellets are accommodated, such a manufacturing method can prevent the resin molded product p from sticking to the fixed mold 107a or the movable mold 107b, but it is manufactured.
  • the resin molded product P always contains a release agent in the resin molded product p.
  • a suitable amount of a release agent powder is contained in the resin storage hopper 102, or a resin in which the release agent is previously dispersed in addition to the resin raw material.
  • the resin material R is melted by the heat of the heater 14 2... To form a molten resin Rm.
  • the release agent interposed between each of the mold surfaces of 107 b and the molten resin Rm causes a phenomenon such as dripping.
  • a pattern like oil dripping is formed on the surface of the resin molded product to be manufactured.
  • the resin storage hopper 102 in addition to the resin raw material, an appropriate amount of the release agent powder is stored, or in addition to the resin raw material, the resin pellet in which the release agent is previously added and dispersed is stored.
  • the resin raw material R is melted into molten resin Rm by the heat of the heater 142, the molten resin Rm is produced in the same manner as the resin molded product manufacturing apparatus 101A described above.
  • a second object of the present invention is to solve the above-described problems.
  • an appropriate amount of a release agent powder is contained in a resin storage hopper 102.
  • the mold release agent is not added in advance, and even if the dispersed resin pellets are not contained, the fixed mold 107 a and the movable mold 107 b are added to the resin mold.
  • the method for producing a resin molded product which can efficiently produce a resin molded product that does not contain a release agent in the produced resin product without sticking the product p, and
  • An object of the present invention is to provide a resin molded product manufacturing apparatus suitable for the resin molded product manufacturing method.
  • the resin molded product p to be manufactured always contains the release agent in the resin molded product p.
  • the release agent interposed between the molten resin Rm and the molten resin Rm causes a phenomenon like liquid dripping, and a pattern like oil dripping is formed on the surface of the resin molded product to be manufactured.
  • a third object of the present invention is to solve the above-described problems.
  • the third object of the present invention is to remove the mold 110 from the mixing hopper 110 without accommodating the release agent. ⁇
  • the resin molded product p does not stick to the mold surface, and the produced resin molded product does not contain any release agent.
  • An object of the present invention is to provide a method for producing a resin molded product by reaction injection molding, and an apparatus for producing a resin molded product suitable for the method for producing a resin molded product.
  • the method for producing a resin molded product according to claim 1 relates to an extrusion molding method, wherein a molten resin is continuously extruded from a die, and a plurality of roll means are used to form the resin molded product having a predetermined film thickness.
  • a positive pressure is applied to a surface of a roll means provided at a position close to a die among a plurality of roll means.
  • the powder of the release agent mixed and dispersed in the air pulsation wave is applied, and the molten resin is extruded from the die. At least, the molten resin is extruded from the die to the pallet means coated with the release agent on the surface. Was brought into contact.
  • the molten resin extruded from the die may contain a release agent.
  • a release agent for extruded from the die, it is possible to produce a molded article containing only a small amount of a release agent only on the surface of the molded article and containing no release agent inside.
  • a roll hand provided at a position close to the die The ⁇ step '' is usually provided in a die in which a cooling liquid is supplied into the roll means and is first contacted with the molten resin extruded from the die to cool the molten resin and to process the molten resin into a predetermined fliif. It means at least one of the pair of roll means provided at the closest position.
  • Air pulsation wave means a pulsating air wave in which a high pressure (peak) and a low pressure (valley) alternately appear in the air pressure.
  • Pressure in the production system that implements this production method is higher than the atmospheric pressure (outside mii) outside the production system.
  • the “positive pressure air pulsation wave” means that both the peak and the valley of the air pulsation wave are higher than the atmospheric pressure (outside air pressure), and the peak of the air tu pulsation wave is the atmospheric pressure (outside air pressure). Higher than the air pulsation wave valley equal to or approximately equal to atmospheric pressure (outside pressure).
  • a powder of a release agent mixed with a positive pressure air pulsating wave is applied to a surface of a roll means provided in a position close to a die among a plurality of roll means. Since the molten resin extruded from the die is brought into contact with the roll means having the surface coated with the release agent, the molten resin does not stick to the roll means provided at a position close to the die.
  • the release agent powder mixed with and dispersed in the positive pressure air pulsating wave is applied to the surface of the roll means, the release agent powder that is excessively attached to the surface of the mouth means is applied. Since the powder is blown off by the positive pressure air pulsating wave sent after that, the release agent powder is uniformly applied to the surface of the portal means in the minimum necessary amount. Become. This prevents the melted release agent from causing a dripping phenomenon on the surface of the roll means, so that the surface of the resin molded article to be produced, as seen in the conventional method for producing a resin molded article, is prevented. There is no problem that a release agent causes or a pattern in which oil drips is formed.
  • the apparatus for manufacturing a resin molded product according to claims 2 and 3 proposes an apparatus for manufacturing a resin molded article suitable for use in the method for manufacturing a resin molded article according to claim 1.
  • the resin molded product manufacturing apparatus wherein the resin storage hopper for storing the resin raw material, the die, the resin storage hopper and the die are connected, and the resin raw material discharged from the resin storage hopper An extruder that melts the resin and continuously extrudes the die, and a plurality of roll means provided downstream of the die to process the molten resin extruded from the die into a resin molded product having a predetermined flJf.
  • the extruded thigh is further provided with a high-pressure pulsating air wave generating means, a release agent storage tank, a release agent extracting means provided at an outlet of the release agent storage tank, and a release agent spraying device.
  • a release agent spraying device is provided in the vicinity of the roll means provided at a position close to the die among the plurality of roll means, and the release agent cutting means is constituted by an elastic film having a slit;
  • the storage hopper resin material
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means to open and close the slit provided in the elastic film.
  • the surface of the roll means provided at a position close to the die among the plurality of roll means is used to remove the release agent mixed with air and dispersed.
  • the molten resin discharged from the die was brought into contact with a roll means provided at a position close to the die and having a surface coated with a release agent so that the powder was sprayed.
  • the surface of the roll means is coated with the powder of the release agent mixed and dispersed in the positive pressure air pulsating wave. For this reason, the powder of the release agent that has excessively adhered to the surface of the roll means is blown off by the positive pressure air pulsation wave sent thereafter, and the powder of the release agent is placed on the surface of the roll means. Will be evenly applied in the minimum necessary amount. This prevents the molten release agent from causing a dripping phenomenon on the surface of the roll means, so that the resin molded product to be manufactured as seen in the resin molding product manufacturing apparatus of ⁇ ⁇ There is no problem such as the formation of a pattern like oil dripping on the surface of the mold due to the release agent.
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means, and the elastic film is formed on the elastic film.
  • the slits provided are opened and closed. That is, the elasticity of the release agent
  • the amount of release agent powder discharged from the slit of the body membrane is uniquely determined by the amplitude, period, and waveform of the positive pressure air mm wave generated by the high pressure pulsating air wave generator. Will be.
  • the amount of the release agent powder blown out from the release agent spraying device is constant volume (constant air amount), It is always constant.
  • the amount of the release agent powder sprayed from the release agent spray device varies, the amount of the release agent powder applied per unit area on the surface of the roll means is uneven. Does not occur. Therefore, by using this resin molded product manufacturing apparatus, the release agent powder can be uniformly applied to the surface of the roll means.
  • the release agent excessively adhering to the surface of the roll means is not melted by the molten resin and does not cause a dripping phenomenon, it is manufactured as seen in the apparatus for manufacturing a resin molded product.
  • a pattern such as oil dripping is formed on the surface of the resin molded product due to the release agent, no problem occurs.
  • the release agent does not exist in the extruder.
  • a release agent is interposed between the screw and the molten resin as in the conventional apparatus for manufacturing a resin molded article.
  • the phenomenon that the melted resin is not extruded from the die due to the idle rotation of the screw does not occur.
  • an apparatus for manufacturing a resin molded product according to the second aspect of the present invention, wherein: In the vicinity of the mold release agent spraying device, the excess mold release agent powder is suctioned and removed from the mold release agent powder sprayed on the surface of the roll means provided near the die. Powder suction means was further provided.
  • the release agent powder suction means is further provided, so that the release agent powder suction means is driven by suction, so that the mold release excessively adhered to the surface of the roll means.
  • the powder of the agent can be removed by suction.
  • the method for producing a resin molded product according to claim 4 relates to an injection molding method, comprising: applying a mold release agent powder mixed with a positive pressure air wave to a mold surface of a mold. A step of injecting a resin resin into a mold having a release agent applied to the mold surface and manufacturing a resin molded article in the mold having the mold release agent applied to the mold surface. .
  • the mold release agent powder mixed with the positive pressure air pulsation wave is applied to the mold surface of the mold. Even when a molten resin that does not contain a release agent is injected, the resin molded product does not adhere to the mold.
  • the molten mold release agent is prevented from causing a dripping phenomenon on the mold surface of the mold, so that the resin molded product to be manufactured is the same as the conventional resin molded product manufacturing method. There is no problem such as the formation of a pattern like oil dripping on the surface of the mold due to the release agent.
  • this method for producing a resin molded product if the molten resin not containing the mold release ⁇ is injected into the mold, it can be seen in the conventional method for producing a resin molded product (injection molding method).
  • the means for extruding the molten resin specifically, the screw of the extruder
  • the release agent is idled by the release agent, and the phenomenon that the required amount of the molten resin is not stored at the tip of the extruder does not occur.
  • the required amount of molten resin can always be stored at the tip of the extruder.
  • a manufacturing apparatus for a resin molded product according to claims 5 and 6 proposes a manufacturing apparatus for a resin molded product suitable for use in the method for manufacturing a resin molded product according to claim 4. That is, the apparatus for manufacturing a resin molded product according to claim 5 includes: a resin storage hopper for storing a resin raw material; a mold including a fixed mold and a movable mold; a resin storage hopper and a mold. And a resin raw material supply means for supplying the resin raw material discharged from the resin storage hopper to the molten resin and supplying the molten raw material into the die, and the fixed die and the movable die are in a closed state.
  • the molten resin is injected into the dies set using the resin raw material supply means, and a resin molded product is manufactured in the dies in which the fixed die and the movable die are clamped.
  • a high-pressure pulsating air wave generating means, a release agent storage tank, and a release agent cutting means provided at an outlet of the release agent storage tank are movable.
  • the release agent cutting means is constituted by an elastic film having a slit.
  • the resin raw material is stored, and the control means is a fixed mold
  • the mold release agent spraying device is moved between the fixed mold and the movable mold, and the mold is released by the positive pressure air pulsation wave generated by the high pressure pulsating air wave generation means.
  • the powder of the release agent stored in the release agent storage tank is removed from the release agent storage tank.
  • the release agent powder discharged from the release agent storage tank is mixed with air and dispersed, and pneumatically transported to the release agent spray device.
  • the release agent powder mixed and dispersed in air.
  • the release agent spraying device is moved between the fixed mold and the movable mold, and the positive pressure is applied.
  • the Sky of the Wave The powder of the release agent mixed and dispersed in the mold is sprayed on the mold surface of the fixed mold and the mold surface of the movable mold, so that the mold does not contain the mold release agent. Even when resin is injected, the resin molded product does not adhere to the mold.
  • a mold release agent powder mixed with and dispersed in a positive pressure air wave is applied to each of the mold surface of the fixed mold and the mold surface of the movable mold.
  • the powder of the release agent that has excessively adhered to each of the gun mold surface of the fixed mold and the mold surface of the movable mold is blown off by the positive pressure air pulsating wave sent thereafter. Therefore, the powder of the release agent is uniformly applied to the gun surface of the fixed mold and the gun surface of the movable mold in the minimum necessary amount. This prevents the molten mold release agent from dripping on each of the mold surface of the fixed mold and the mold surface of the movable mold. As seen, there is no problem such as the formation of a dripping oil pattern on the surface of the resin molded product to be produced due to the release agent.
  • the elastic film of the release agent extracting means is vibrated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means, and the elastic film is formed on the elastic film.
  • the slits provided are opened and closed. That is, the amount of the release agent powder discharged from the slit of the elastic film of the release agent cutting means is determined by the amplitude and cycle of the positive pressure air pulsation wave generated by the high pressure pulsation air wave generation means. It is uniquely determined by the waveform.
  • the amount of release agent powder blown out from the release agent spraying device is always constant volume (constant air volume). , Become constant.
  • the amount of the release agent powder sprayed from the release agent spray device varies, so that the mold surface of the fixed mold and The phenomenon that the amount of the release agent powder applied per unit area on each of the mold surfaces of the moving mold is not uneven does not occur.
  • the release agent powder can be uniformly applied to each of the mold surface of the fixed mold and the mold surface of the movable mold.
  • the mold release agent that has excessively adhered to each of the mold surface of the fixed mold and the mold surface of the movable mold does not melt and does not cause the liquid dripping phenomenon.
  • a mold release agent is formed on the surface of the resin molded product to be produced and a pattern such as an oil dripping is formed on the surface of the resin molded product to be produced as seen in the production method of (1).
  • the release agent does not exist in the extruder.
  • a release agent is interposed between the screw and the molten resin as in the conventional resin molding product manufacturing apparatus.
  • the required amount of molten resin is always stored at the tip of the extruder without causing the phenomenon that the screw runs idle and the required amount of molten resin is not stored at the tip of the resin raw material supply means (extruder). Can be.
  • a release agent spraying apparatus is provided so as to be movable,
  • the mold release agent spraying device is inserted between the fixed mold and the movable mold, and the mold surface of the fixed mold and the mold surface of the movable mold are opened.
  • Each mold surface is sprayed with a powder of the release agent mixed and dispersed in the positive pressure air pulsation wave from the release agent spraying device, and before the fixed mold and the movable mold are closed, the release agent is sprayed.
  • the spray device is retracted from between the fixed mold and the movable mold.
  • the release agent spraying device does not collide with the movable mold, so that a smooth resin molding operation can be performed.
  • the release agent powder is sprayed onto each of the mold surface of the fixed mold and the mold of the movable mold by the control means and the mold spraying device, the operator is required to spray the powder. Injuries between the fixed mold and the movable mold with limbs or body in between will not cause any unexpected accidents.
  • the apparatus for manufacturing a resin molded article according to claim 6 is the apparatus for manufacturing a resin molded article according to claim 5, further comprising: a release agent powder suction means movably provided;
  • the suction means is adapted to move in the same manner as the release agent spraying device, and the suction means is sprayed from the release agent spraying device onto the gun mold surface of the fixed mold and the mold surface of the movable mold. Excess release agent powder is removed from the mold powder by suction.
  • the release agent powder suction means is further provided, by driving the release agent powder suction bow I means to suck, the fixed mold and the movable mold have a ⁇ mold surface and a movable mold. ⁇ Excessive release agent powder adhering to each mold surface can be removed by suction.
  • the release agent that has excessively adhered to each of the mold surface of the fixed mold and the mold surface of the movable mold is not melted by the molten resin and does not cause a dripping phenomenon.
  • a pattern such as oil dripping is formed on the surface of the manufactured resin molded product due to the release agent. Such a problem does not occur.
  • release agent powder suction means excess release agent powder sprayed from the release agent spray device and floating in the air is also suctioned and removed by the release agent powder suction means, so that the environment of the resin molding product manufacturing apparatus is reduced. A clean environment can be maintained at all times during the production of resin molded products.
  • the method for producing a resin molded product according to claim 7 relates to a reaction injection molding method, wherein when a mold is opened, a positive pressure air pulsating wave mixes with a mold surface of the mold.
  • the mold release agent powder mixed with and dispersed in the positive pressure air pulsation wave is applied to the mold surface of the mold, so that the mold release agent is applied to the mold. Even if it is filled with at least a reactive low-molecular-weight liquid material that does not contain, the resin molded product does not adhere to the mold.
  • the mold release agent that is excessively attached to the mold surface of the mold is applied. Powder is blown off by the positive pressure air pulsation wave sent after that, so that the mold release agent powder is evenly applied to the mold surface of the mold in the required minimum amount. Will be.
  • the molten mold release agent is prevented from causing a dripping phenomenon on the mold surface of the mold, so that it is manufactured as seen in the conventional method of manufacturing a resin molded product. There is no problem such as the formation of a pattern such as oil dripping on the surface of the resin molded product due to the release agent.
  • An apparatus for manufacturing a resin molded product according to claims 8 and 9 proposes a manufacturing apparatus for a resin molded article suitable for use in the method for manufacturing a resin molded article according to claim 7.
  • the apparatus for manufacturing a resin molded product according to claim 8 comprises at least a mixing hopper for mixing a reactive low-molecular-weight liquid raw material, a mold that can be opened and closed, and heating for heating the mold.
  • a furnace is filled with at least a reactive low-molecular-weight liquid raw material from a mixing hopper, and a mold filled with at least a reactive low-molecular-weight liquid raw material is placed in a heating furnace.
  • the resin molded product is heated by heating the mold, and at least a reactive low-molecular-weight liquid raw material is reacted in the mold to produce a resin molded product.
  • the manufacturing apparatus further includes a high-pressure pulsating air wave generating means, a release agent storage tank, a release agent cutout means provided at an outlet of the release agent storage tank, and a movably provided release agent.
  • Control for controlling the position of the spraying device and the release agent spraying device A step is provided, wherein the release agent cutting means is constituted by an elastic film having a slit, and at least a reactive low-molecular-weight liquid raw material is stored in a resin storage hopper.
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means, and is provided on the elastic film.
  • the powder of the release agent stored in the release agent storage tank is discharged from the release agent storage tank, and the release agent powder discharged from the release agent storage tank is converted into air.
  • Mixing, dispersing, and pneumatically transported to the release agent spraying device the air-mixed and dispersed release agent powder is sprayed from the release agent spraying device onto the mold surface of the mold, and then At least a reactive low molecule in the mold coated with the mold release agent on the mold surface
  • a large amount of liquid raw material is filled, and at least a mold filled with a reactive low-molecular weight liquid raw material is placed in a heating furnace, and the mold is heated.
  • a reactive resinous low-molecular weight raw material is reacted to produce a resin molded product for producing a resin molded product.
  • the release agent mixed and dispersed in the positive pressure air wave generated by the high pressure pulsating air wave generation means is applied to the surface of the mold. Even if the mold is filled with at least a reactive low molecular weight liquid that does not contain a release agent, the resin adheres to the mold. None do.
  • a mold release agent powder mixed and dispersed with a positive pressure air wave is applied to a mold surface of a mold. For this reason, the powder of the release agent that has excessively adhered to the mold surface of the mold is blown off by the positive pressure air pulsating wave sent thereafter, so that the mold surface of the mold is released from the mold.
  • the powder of the agent is evenly applied in the minimum necessary amount. This prevents the release agent from dripping on the mold surface of the mold, even if the mold agent powder melts when the mold is heated. No problem, such as that seen in product manufacturing equipment, caused by the release agent or oil dripping on the surface of the molded product. .
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air wave generated by the high pressure pulsating air wave generating means, and the elastic film is formed on the elastic film.
  • the slits provided are opened and closed. That is, the amount of the release agent powder discharged from the slit of the elastic film of the release agent cutting means is determined by the amplitude and cycle of the positive pressure air pulsation wave generated by the high pressure pulsation air wave generation means. It is uniquely determined by the waveform.
  • the powder of the release agent can be uniformly applied to the mold surface of the mold.
  • the apparatus for manufacturing a resin molded product according to claim 9 is configured such that, when the mold is opened, the mold release agent spraying device transmits the mold of the mold to the resin molding product manufacturing apparatus according to claim 8.
  • Release agent powder suction means for sucking and removing excess release agent powder from the release agent powder sprayed on the surface is further provided.
  • the release agent powder suction means is further provided, so that the release agent powder suction means is suction-driven, so that it is excessively attached to the mold surface of the mold.
  • the release agent powder can be removed by suction.
  • release agent powder suction means can be maintained in a clean environment at all times during the production of resin molded products.
  • the method for producing a resin molded product according to claim 10 is a mold release method that is used in the method for producing a resin molded product according to any one of claims 1, 4, and 7 and that is mixed and dispersed in a positive pressure air pulsation wave.
  • the powder of the release agent is characterized in that it is a powder of the release agent mixed and dispersed in the air pulsation wave obtained by turning the positive pressure air pulsation wave into a swirling flow.
  • the powder of the release agent is mixed and dispersed in a swirling, positive-pressure air pulsating wave.
  • particles having a large particle diameter in the powder of the release agent are crushed to a predetermined particle diameter by the swirling flow of the positive pressure air pulsating wave.
  • the powder is not sprayed off from the release agent spray device.
  • the powder of the large release agent since the powder of the large release agent is not applied to the surface of the roll means or the gun surface of the mold, it is applied to the surface of the roll means and the mold surface of the mold.
  • a powder of a release agent having a uniform particle size can be uniformly applied.
  • the release agent powder is mixed and dispersed into a swirling, positive-pressure air pulsating wave going upward from below, the particle size can be further improved, so that the surface of the roll means can be obtained.
  • the release agent powder having a more uniform particle size can be uniformly applied to the mold surface of the mold.
  • the apparatus for manufacturing a resin molded product according to claim 11 is the apparatus for manufacturing a resin molded product according to any one of claims 2, 3, 5, 6, 8, and 9 below the release agent cutting means.
  • the dispersion chamber further includes a dispersion chamber, and an air pulsation wave introduction port connected to the high-pressure pulsation air wave generation means is provided at a lower position thereof in a direction substantially tangential to the dispersion chamber.
  • the outlet connected to the release agent spraying device is provided almost tangentially to the dispersion chamber o
  • an air pulsation wave inlet which is connected to the high-pressure pulsating air wave generation means, is provided at a position below the dispersion chamber in a direction substantially tangential to the dispersion chamber.
  • the slit of the release agent extracting means opens and closes, and the powder of the release agent that has fallen into the dispersion chamber flows into the swirling flow. As a result, the particles of the release agent having a large particle size are crushed to a predetermined particle size.
  • the discharge port is provided at a position above the dispersion chamber, the swirling flow of the positive pressure air pulsating wave generated in the dispersion chamber is supplied to the dispersion chamber.
  • a particle size distribution function similar to that of a cyclone is generated in the dispersion chamber, and the powder of the large release agent swirls at a lower position in the dispersion chamber, is crushed to a predetermined particle size, and then enters the discharge port.
  • the large release agent powder is not sprayed from the release agent spray device.
  • the powder of the large release agent is not applied to the surface of the roll means or the mold surface of the mold, the powder of the large release agent is applied to the surface of the roll means and the mold surface of the mold.
  • a powder of a release agent having a uniform particle size can be uniformly applied.
  • FIG. 1 is an overall configuration diagram schematically illustrating an example of an apparatus for manufacturing a resin molded product according to the present invention.
  • FIG. 2 is an enlarged schematic cross-sectional view showing a region surrounded by line II in FIG.
  • FIG. 3 is a plan view schematically showing a release agent cutting means used in the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 4 is a plan view schematically showing a position of an air pulsation wave introduction port provided in the dispersion chamber when the dispersion chamber is viewed from above, which is used in the resin molded product manufacturing apparatus according to the present invention.
  • (a) is a diagram illustrating an ideal mounting position of the air pulsation wave inlet
  • FIG. 4 (b) is a diagram illustrating a substantially possible mounting position of the air pulsating wave inlet. is there.
  • FIG. 5 schematically illustrates a positional relationship between an air pulsation wave inlet and an outlet provided in the dispersion chamber when the dispersion chamber is viewed in a plan view, which is used in the resin molded product manufacturing apparatus according to the present invention.
  • Fig. 5 (a) is a diagram for explaining the substantially possible positional relationship between the air pulsation wave inlet and the outlet
  • Fig. 5 (b) is a diagram illustrating the empty il wave inlet and the outlet.
  • FIG. 4 is a diagram for explaining a preferred positional relationship with an outlet.
  • FIG. 6 schematically illustrates a phenomenon that occurs in the release agent extracting means (elastic film body) when an air pulsation wave is sent into the dispersion chamber used in the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 7 is a cross-sectional view schematically showing an air pulsation wave generating device used in the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 8 is a diagram exemplarily showing a positive-pressure air pulsation wave generated by an air pulsation wave generation device used in the resin molded product manufacturing apparatus according to the present invention
  • FIG. Figure 8 (b) shows a positive pressure air pulsation wave with a mountain at positive pressure and a valley with atmospheric pressure
  • Figure 8 (b) shows a positive pressure air pulsation wave with both a mountain and a valley at atmospheric pressure.
  • FIG. 9 is an overall configuration diagram schematically illustrating another example of the apparatus for manufacturing a resin molded product according to the present invention.
  • FIG. 10 is a plan view schematically showing the configuration of the robot means for moving the release agent spraying / suctioning device of the resin molded product manufacturing apparatus according to the present invention, with the mold viewed from above. is there.
  • Fig. 11 is a side view schematically showing a configuration of a robot means for moving a release agent spraying / suctioning device of the resin molded product manufacturing apparatus according to the present invention, as viewed from the side of the mold. It is.
  • FIG. 12 is an explanatory diagram schematically showing the operation of the resin molded product manufacturing apparatus when manufacturing the resin molded product using the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 13 is an explanatory diagram schematically showing the operation of the resin molded product manufacturing apparatus when manufacturing a resin molded product using the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 14 is an explanatory view schematically showing the operation of the resin molded product manufacturing apparatus when manufacturing a resin molded product using the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 15 is a perspective view schematically showing a release agent spraying / sucking means provided with a release agent spraying device and a release agent suction means.
  • FIG. 16 is an exploded perspective view schematically showing the release agent spraying / sucking means shown in FIG.
  • FIG. 17 is a plan view schematically illustrating another row of the apparatus for manufacturing a resin molded product according to the present invention.
  • FIG. 18 is a perspective view schematically showing the configuration of the apparatus for manufacturing a resin molded product shown in FIG.
  • FIG. 19 is a diagram schematically showing a state where teaching points are taught in the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 20 is an overall configuration diagram schematically showing an example of a resin molded product manufacturing apparatus (a so-called extruder) for performing a conventional extrusion molding method.
  • FIG. 21 is an overall view schematically showing an example of an apparatus for producing a resin product (a so-called injection machine) that performs a conventional injection molding method.
  • FIG. 22 is a plan view schematically showing an apparatus for manufacturing a resin molded product for performing a conventional reaction injection molding method.
  • FIG. 23 is a perspective view schematically showing the configuration of the conventional resin molded product manufacturing apparatus shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is an overall configuration diagram schematically illustrating an example of an apparatus for manufacturing a resin molded product according to the present invention.
  • the apparatus 1A for producing a resin molded product includes a resin storage hopper 2 for storing a resin raw material R, which is a raw material of the resin molded product p, a die 3, an extruder 4A, and a plurality of roll means 5a, 5a. b, 5... and sheet material winding roll means 5 c.
  • the die 3 is provided with a resin molding port 3a having a shape similar to a resin molded product such as a slit shape.
  • the extruder 4A is composed of an extruder body 41, an excavator 42 provided outside the extruder body 41, and a screw 43 rotatably housed in the extruder body 41. And a driving means 44 such as an electric motor for rotating the screw 43.
  • a die 3 is connected to the tip, and a resin storage hopper 2 is connected in the middle. Has become.
  • the plurality of roll means 5 a, 5 b, 5... ′ And the sheet material winding roll means 5 c are provided on the downstream side of the die 3. And, the distance between the roll means 5a and the roll means 5b, the rotation speed of each of the roll means 5a, 5b, 5 ⁇ , and the roll means 5c for winding the sheet material are adjusted. Thereby, the molten resin Rm discharged from the resin molding port 3a of the die 3 can be formed into a resin molded product (for example, a film sheet) having a predetermined film thickness. In this way, the resin molded products having a predetermined flU? Are sequentially wound up by the sheet material winding roll means 5c. Further, a cooling liquid for cooling the molten resin extruded from the die 3 is passed through the roll means 5a and 5b.
  • the above configuration is the same as the configuration of the conventional resin molded product manufacturing apparatus 101A shown in FIG. 22, but this resin molded product manufacturing apparatus 1A is different from the conventional resin molded product manufacturing apparatus 101A in the following points. It is different from the manufacturing apparatus 101A.
  • the resin molded product manufacturing apparatus 1A has a configuration in which the paper feeding means (rolls) 106a and 106b provided in the conventional resin molded product manufacturing apparatus 101A are removed.
  • a new high-pressure pulsating air wave generating means 15, a release agent storage tank 16, and an outlet 16a of the release agent storage tank 16 are newly provided. And a release agent spraying device 18a, 18b.
  • release agent powder suction means 19a and 19b are further provided.
  • a member device indicated by 14A indicates a control device (arithmetic processing device) that controls and controls the entire resin molding product manufacturing device 1A.
  • the high-pressure pulsating air wave generating means 15 is an air source 15 A such as a probe for generating compressed air. And flow control means 15 B for adjusting the flow rate of the compressed air generated by driving the air source 15 A, and flow control means 15 B for generating the flow by driving the air source 15 A And an air pulsation wave converter 15C for converting the compressed air whose flow rate has been adjusted into a positive pressure air wave.
  • the air source 15A is connected to the flow rate adjusting means 15B via the pipe T1.
  • the flow rate adjusting means 15B is connected to the pneumatic wave converter 15C via a pipe T2.
  • the air pulsation wave converter 15C is connected via a pipe T3 to a dispersion chamber 20 provided below the release agent extracting means 17.
  • the flow rate adjusting means 15 B is formed of, for example, a solenoid type solenoid valve, and is connected to a control device (arithmetic processing device) 14 A via a signal line L 1. (Processing unit) According to the command from 14 A, the flow rate of the compressed air generated by driving the air source 15 A can be adjusted to a predetermined flow rate.
  • a solenoid valve 22 of a solenoid type is provided in the middle of the pipe T2 to open and close the pipe T2.
  • the solenoid valve 22 is connected to a control device (computation processing device) 14 A via a signal line L 2.
  • the piping T 2 Can be opened and closed.
  • a branch pipe T 2 a is provided in the middle of the pipe T 2 between the flow rate adjusting means 15 B and the solenoid valve 22.
  • the branch pipe T2a is made to communicate with the atmosphere.
  • a solenoid type solenoid valve 23 Is provided in the middle of the branch pipe T2a.
  • the solenoid valve 23 is connected to a controller (arithmetic processing unit) 14 A via a signal line L 3.
  • the branch pipe T 2a can be opened and closed. That is, if the control device (arithmetic processing device) 14 A opens the solenoid valve 22 and closes the solenoid valve 23, the compressed air generated by driving the air source 15 A is emptied. ⁇ Digital wave converter It can send to 15 C.
  • the solenoid valve 22 is closed and the solenoid valve 23 is opened by the control device (arithmetic processing device) 14 A, the compressed air generated by driving the air source 15 A will be In order to escape to the atmosphere through the branch pipe T2a, when the solenoid valves 22 and 23 are controlled in this way, the air source 15A can be connected without stopping the air source 15A. The driving of the compressed air generated by the driving to the air-mm dynamic wave converter 15 C can be stopped.
  • Each of the release agent spraying devices 18a, 18b includes a plurality of roll means 5a, 5b, 5, ..., 5c, and roll means 5a, provided at a position close to the die 3. Attached near each of 5b.
  • the release agent spraying device 18a is connected to the dispersion chamber 20 via a pipe T4 led out of the dispersion chamber 20 and a branch pipe T4a branched from the pipe T4. .
  • the release agent spraying device 18 b is connected to the dispersion chamber 20 via a pipe T 4 derived from the dispersion chamber 20 and a branch pipe T 4 b branched from the pipe T 4. .
  • a device having a slit-shaped outlet which is equal to or slightly longer than the center axis of the roll means 5b, is used.
  • Each of the release agent powder suction means 19a and 19b is provided near each of the roll means 5a and 5b. More specifically, the release agent powder suction means 19a is provided at a predetermined position from the release agent spraying device 18a in the vicinity of the roll means 5a and in the direction of rotation and forward direction of the roll means 5a. It is provided at a position separated by a distance.
  • the release agent powder suction means 19a is connected to an air suction means 21a such as a blower via a pipe T5a.
  • a flow control means 24a is provided in the middle of Nisekikan T5a.
  • the flow rate adjusting means 24a is composed of, for example, a solenoid type solenoid valve.
  • the flow control means 24a and the control device (processing unit) 14A are a signal line L4 derived from the control device (processing unit) 14A and a branch branched from the signal line L4.
  • the signal flow control means 24a is connected to the signal line L4a.
  • release agent powder suction means 19 b is separated from the release agent spraying device 18 b by a predetermined distance at a position near the roll means 5 b in the rotation direction and forward direction of the roll means 5 b. Position.
  • the release agent powder suction means 19b is connected to 2 lb of air suction means such as a blower via a pipe T5b.
  • a flow rate adjusting means 24b is provided in the middle of the pipe T5b.
  • the flow rate adjusting means 24 b is composed of, for example, a solenoid type solenoid valve. Have been.
  • the flow rate adjusting means 24 b and the control device (processing unit) 14 A are a signal line L 4 derived from the control unit (processing unit) 14 A, and a branch branched from the signal line L 4.
  • the flow control means 24 b is connected to the signal line L 4 b, and when the air suction means 2 lb is driven in accordance with the instruction from the control device (arithmetic processing device) 14 A, the pipe T 5
  • the flow rate of air in the suction atmosphere generated in b can be adjusted to a predetermined flow rate.
  • the motor 44 is connected to the control device (arithmetic processing device) 14 A via the signal line L 5, and in accordance with a command from the control device (arithmetic processing device) 14 A.
  • the rotation speed of the rotating shaft of the driving means 44 such as an electric motor can be controlled.
  • the air pulsation wave converter 15C includes a driving unit m such as a motor such as a motor for rotating a cam mechanism that generates an air pulsation wave.
  • the motor m is connected via a signal line L6 to a control device (computation processing device) 14A. According to a command from the control device (computation processing device) 14A, the motor m The rotation speed can be controlled.
  • FIG. 2 is a schematic cross-sectional view showing, on an enlarged scale, a region surrounded by line II in FIG. In FIG. 1, the portion surrounded by the line II constitutes a quantitative feeder 40 for releasing agent powder in the resin molded product manufacturing apparatus 1A.
  • the release agent extracting means 17 is provided at the discharge port 16 a of the release agent storage tank 16.
  • FIG. 3 is a plan view schematically showing the release agent cutting means 17.
  • the release agent extracting means 17 is made of an elastic film, and has a hole (slit) 17a at the center thereof.
  • a powder material cut-out valve 32 can be moved up and down to open and close the discharge port 16a of the release agent storage tank 16. Is provided.
  • a dispersing chamber 20 is connected below the powder material storage chamber 31 so as to interpose a release agent extracting means 17 therebetween.
  • the powder storage chamber 31 is made of glass or a resin such as acryl resin, and has a light transmitting property.
  • the powder material storage chamber 31 is provided with a level sensor 133 for detecting the amount of powder of the release agent stored in the powder material storage chamber 31.
  • the level sensor 33 includes a light emitting element 33a that emits light such as infrared light, and a light receiving element 33b that receives light emitted from the light emitting element 33a.
  • the light emitting element 33a and the light receiving element 33b are arranged to face each other with the powder material storage chamber 31 interposed therebetween.
  • the position at which the level sensor 13 is provided (elasticity!) The height of the position at which the level sensor 13 is provided from the body 17
  • the release agent stored in the powder material storage chamber 31 is The amount of powder can be detected.
  • the amount of the powder W of the release agent stored in the powder material storage chamber 31 is determined by the position where the level sensor 33 is provided (the height of the position where the level sensor 13 is provided from the elastic membrane 17).
  • H th the height of the position where the level sensor 13 is provided from the elastic membrane 17.
  • the amount of the release agent powder stored in the powder 3 (the height from the elastic membrane 17 to the position where the level sensor 33 is provided)
  • the height H of the release agent powder W in the powder material storage chamber 53 from the elastic film body 17 is less than the height Hth. Can be detected (H ⁇ H th) 0
  • the powder discharge valve 32 moves up and down according to the detection value of the level sensor 33 so that the discharge port 16a of the release agent storage tank 16 can be closed or opened. I have.
  • the powder material discharge valve 32 is moved upward, and the discharge port 16a of the release agent storage tank 16 is closed.
  • the powder material discharge valve 32 is moved downward to open the discharge port 16 a of the release agent storage tank 16, In the powder material storage chamber 31, a generally constant amount of the release agent powder W is always stored.
  • the shape of the dispersion chamber 20 is substantially cylindrical so that a swirling flow is easily generated in the dispersion chamber 20.
  • the shape of the dispersion chamber 20 is substantially cylindrical, but the shape of the dispersion chamber 20 is not particularly limited as long as a swirl flow can be generated in the dispersion chamber 20. Absent.
  • the dispersion chamber 20 is provided with an air pulsation wave inlet 20a for sending an air pulsation wave in a position substantially below the dispersion chamber 20 in a direction substantially tangential to the inner peripheral surface of the dispersion chamber 20.
  • the powder W of the release agent mixed, dispersed, and fluidized with air is dispersed from the dispersion chamber 20 in a position substantially above the dispersion chamber 20 in a direction substantially tangential to the inner peripheral surface of the dispersion chamber 20.
  • Emissions Outlet 2 Ob is provided.
  • Fig. 4 shows the position of the air pulsation wave introduction port 20a provided in the dispersion chamber 20. It will be described in further detail using the following.
  • FIG. 4 is a plan view schematically showing the position of the air pulsation wave inlet 20a provided in the dispersion chamber 20 when the dispersion chamber 20 is viewed in a plan view
  • FIG. FIG. 4B is a diagram illustrating an ideal mounting position of a
  • FIG. 4B is a diagram illustrating a substantially possible mounting position of the air pulsation wave inlet 20a.
  • a curved arrow indicates the direction of the empty fUl dynamic wave swirling flow generated in the dispersion chamber 20.
  • the air pulsation wave introduction port 20a is preferably provided in a tangential direction of the dispersion chamber 20, as shown in FIG.
  • the air pulsation wave inlet 20a does not need to be strictly provided in the tangential direction of the dispersion chamber 20, as shown in FIG. 4 (a).
  • air flows in a direction equivalent to the tangent Lt direction of the dispersion chamber 20 shown in FIG. 4 (a) that is, in a direction parallel to the tangent Lt where the dispersion chamber 20 is located).
  • a pulsation wave inlet 20a may be provided.
  • FIG. 5 is a diagram schematically illustrating the positional relationship between the air inlet 20a and the outlet 2 Ob provided in the dispersion chamber 20 when the dispersion chamber 20 is viewed in a plan view.
  • Fig. 5 is a diagram illustrating a substantially possible positional relationship between the air pulsation wave inlet 20a and the outlet 20b, and
  • Fig. 5 (b) shows the air pulsation wave inlet 20a and the outlet 2 Ob. It is a figure explaining the preferable positional relationship of.
  • an arrow indicated by a curve schematically indicates the direction of the swirling flow of the empty flM motion wave generated in the dispersion chamber 20.
  • the discharge port 2 Ob is provided in the dispersing chamber 20 at the position shown in FIG. 5 (a), the direction of the swirling flow of the air pulsating wave generated in the dispersing chamber 20 (the traveling direction of air) ) And the discharge port 2 Ob is provided in the opposite direction, and the discharge efficiency of the release agent powder W dispersed and dispersed in air and fluidized at the discharge port 2 Ob is not very good.
  • the discharge port 2 O bi is exemplified in FIG. 5 (b).
  • the outlet 2 O b is provided in the forward direction with the direction of the swirling flow of the air pulsation wave generated in the dispersion chamber 20 (the traveling direction of the air). Power to be rather favorable.
  • an air pulsation wave converter 15c is connected to the air pulsation wave introduction port 20a of the dispersion chamber 20 via a pipe T3.
  • a pipe T4 is connected to the outlet 2 Ob.
  • the member device indicated by reference numeral 34 is imaging means such as a CCD camera provided for confirming the operation of the powder material cutting valve 32, and the member device indicated by reference numeral 35 is laser.
  • the release agent is released.
  • a sensor for checking the state of the release agent powder (not shown) falling from the discharge port 16a of the storage tank 16 is used.
  • the member device shown in 36 irradiates light such as a laser beam.
  • the release agent falls from the slit 17a of the elastic S-body 17 and is entrained in, mixed with, dispersed, and fluidized by the pulsating air pulsating wave generated in the dispersion chamber 20.
  • the release agent powder in the mixing chamber 20 is received. Sensors for checking the state of the end (not shown) are shown.
  • the member device indicated by 37 indicates a level sensor configured to include a light emitting element 37a and a light receiving element 37b.
  • the mold is released by the level sensor 37. The remaining amount of the powder in the agent storage tank 16 is detected.
  • the release agent powder W mixed, dispersed, and fluidized into the positive pressure air pulsation wave in each of the release agent spray devices 18a and 18b.
  • the powder W of the release agent is stored in the release agent storage tank 16, and the level sensor 13 is put into an operating state.
  • the powder material cutout valve 32 is opened, and the powder W of the release agent is dropped into the powder material storage chamber 31.
  • the powder W of the release agent falls and accumulates in the powder material storage chamber 3 1, and the height H of the powder W of the release agent accumulated in the powder material storage chamber 3 1 from the elastic film body 17 increases.
  • the height H th of the position where the level sensor 33 is provided exceeds the height H th, light such as infrared rays emitted from the light emitting element 33 a is released from the mold accumulated in the powder storage chamber 31. Since the light receiving element 33b is blocked by the agent powder W, the light receiving element 33b cannot receive the light emitted from the light emitting element 33a, so that the light receiving element 33b is turned off.
  • the air source 15 A is driven, the flow rate control device 15 B is adjusted using the control means (arithmetic processing device) 14 A, and the air pulsation wave conversion device 15 C motor and the like are adjusted.
  • the driving source m By moving the driving source m at a desired speed, a positive pressure air pulsation wave is generated in the pipe T3.
  • an air pulsation wave inlet 20a for sending an air pulsation wave is provided below the dispersion chamber 20 in a tangential direction of the inner peripheral surface of the dispersion chamber 20 or in a direction equivalent thereto. And at a position above the dispersion chamber 20, on the inner peripheral surface of the dispersion chamber 20, and in the dispersion chamber 20, in the direction of travel of the swirling air pulsating wave, and in a substantially forward direction. Since 2 Ob is provided, the air pulsation wave sent from the air pulsation wave inlet 20 a into the dispersion chamber 20, as shown in FIG.
  • the air pulsation wave is a swirling flow (a tornado-like swirling flow) from 0 a toward the outlet 2 Ob, going from the bottom to the top.
  • the elastic film 17 vibrates according to the frequency, amplitude, and waveform of the air pulsation wave.
  • FIG. 6 is an explanatory diagram schematically illustrating a phenomenon that occurs in the elastic membrane 17 when an air pulsation wave is sent into the dispersion chamber 20.
  • the elastic film 17 is elastically deformed as shown in FIG. 6 (a). Then, it curves upward.
  • the upper side of the slit 17a is in an open V-shape, and the release agent powder stored in the powder material storage chamber 31 is placed in the opened portion of the slit 17a. End Part of W falls.
  • the slit 17a has an inverted V-shape in which the lower side is opened, and the powder W of the release agent sandwiched in the slit 17a falls into the dispersion chamber 20.
  • the powder W of the release agent that has fallen into the dispersion chamber 20 mixes with the air pulsating wave swirling in the mixing chamber 20, and is dispersed and fluidized.
  • the air is sent out to the pipe T4 together with the positive pressure air pulsation wave.
  • the frequency, amplitude and waveform of the elastic film 17 are determined and vibrated according to the frequency, amplitude and waveform of the air pulsation wave, so that the frequency, amplitude and waveform of the air pulsation wave are controlled.
  • the release agent powder W falling into the dispersion chamber 20 has Most of the particles having a large particle diameter are entrained in the swirling flow, crushed to a desired particle diameter, and discharged from the outlet 20b.
  • the dispersion chamber 20 since a swirling flow is generated in the dispersion chamber 20 from the lower side to the upper side, the dispersion chamber 20 has a particle size distribution function similar to that of a cyclone. As a result, large particles that have not been broken by the swirling flow are moved to a lower position in the dispersion chamber 20 to a predetermined particle size. Large particles are not sent to the outlet 2 Ob because they stay until they are crushed.
  • this fixed-quantity feeder 40 a substantially constant amount of the release agent powder W is always stably and continuously provided, and the particle size of the release agent powder W is made uniform. Can be discharged.
  • the quantitative feeder 40 is used, when the resin molding product (for example, a film sheet) P is continuously manufactured by extrusion molding, There is no need to clean the dispersion chamber 20.
  • the air pulsation wave introduction port 20a is provided below the dispersion chamber 20 and the discharge port 2 Ob is provided above the distribution chamber 20, the air pulsation wave introduction port 20 is provided in the dispersion chamber 20. 0a and outlet 2Ob do not face each other.
  • the pneumatic wave sent from the air pulsation wave inlet 20a does not directly enter the outlet 20b, but always enters the outlet 20b after turning inside the dispersion chamber 20. Therefore, the air pulsation wave can be effectively used in the dispersion chamber 20.
  • the discharge port 20 b is provided on the inner peripheral surface of the dispersion chamber 20, the release agent powder W dropped from the slit 17 a of the elastic membrane 17 is discharged to the discharge port 20 b, Mix with air Without directly entering the outlet 2 Ob.
  • the release agent powder W falling into the dispersion chamber 20 has Most of the particles having a large particle diameter are entrained in the swirling flow, crushed to a desired particle diameter, and discharged from the outlet 2 Ob.
  • a level sensor 13 for detecting the amount of the release agent powder W stored in the powder material storage chamber 31 is provided in the powder material storage chamber 31.
  • the release agent storage tank 16 is connected above the material storage chamber 31 via the powder material cutout valve 32, and when the detection value of the level sensor 13 is turned off, the powder is turned off.
  • the output valve 3 2 is closed and the detection value of the level sensor 13 is turned on, the powder material discharge valve 3 2 is opened, and the powder material storage chamber 3 1 always contains a roughly constant amount of release agent. Powder W is stored.
  • the sensor using the level sensor 133 as the sensor has been described.
  • Various sensors such as a weight sensor can be used as long as they can detect the amount of W.
  • various devices can be used as the air pulsation wave converter 15C.
  • a constant pressure compressed air generated by an air source 15A such as a compressor or a blower is opened and closed by an electromagnetic valve to generate an air pulsation wave, or
  • a fixed-pressure compressed air generated by 15 A is supplied from an air inlet into a predetermined case, and a rotatable rotary type that opens and closes a discharge port provided in the case is provided in the case. It may be generated by providing a valve body and rotating a rotary type valve body.
  • the air m wave generated by such a method can generate air pulsations of a desired waveform, amplitude, and period by efficiently mixing the powder with air, dispersing and fluidizing it, depending on the physical properties of the powder. There is a problem that it is difficult to generate waves.
  • FIG. 7 is a sectional view schematically showing such an air pulsation wave generator.
  • This air pulsation wave conversion device 15C includes a valve chamber 54 provided with a valve seat 53 between an input port 51 and an output port 52, and a valve body 56 opened and closed by a cam mechanism 55. Prepare.
  • the cam mechanism 55 includes a rotating cam 57 rotatably provided by a driving means (not shown) such as a motor, and a roller 58 attached to a lower end of the valve body 56. .
  • the valve seat 53 is formed as a recessed hole in the direction of the output port 52, and the valve body 56 is formed as a tapered inverted mortar that matches the shape of the valve seat 53.
  • the valve seat 53 can be airtightly closed.
  • the shaft portion 56a of the valve body 56 is provided in the shaft hole 59h of the case body 59 so as to be free of air and to be movable up and down.
  • the roller 58 is rotatably held by the rotating cam 57, and by rotating the rotating cam 57, the roller 58 rotates up and down according to the uneven pattern provided on the rotating cam 57. It works.
  • the rotating cam 57 includes an inner rotating cam 57a and an outer rotating cam 57b.
  • Each of the inner rotating cam 57 a and the outer rotating cam 57 b is provided with a concave / convex pattern so as to keep the gap between the apertures 58 and to be aligned with each other.
  • the roller 58 is sandwiched between the inner rotating cam 57 a and the outer rotating cam 57 b, and by rotating the rotating cam 57 without causing splash on the valve body 56, According to the concave / convex pattern provided on the inner rotary cam 57a and the outer rotary cam 57b, the rotary cam moves up and down while rotating.
  • the concave and convex pattern provided on the rotating cam 57 a different pattern is selected according to the physical properties of the release agent powder W.
  • a flow control device 15B is connected to the input port 51 via a pipe T2, and the input port 51 is generated by an air source 15A to control the flow rate.
  • the device 15B supplies compressed air adjusted to a predetermined flow rate.
  • the output port 52 is connected to one end of a pipe T3.
  • reference numeral 60 denotes a flow rate adjustment port provided as necessary, and flow rate adjustment port 60 denotes an output for adjusting the pressure of the air pulsation wave output from the output port 52.
  • a regulating valve 60 V is provided so as to be adjusted to a desired state from a state of complete communication with the atmosphere to a state of shutoff.
  • a rotating cam 57 that easily mixes the release agent powder W with air is mounted on the rotation axis ma of the driving means m of the air pulsation wave converter 15C. Attach.
  • a predetermined flow rate of compressed air is supplied to the input port 52.
  • the rotating cam 57 is rotated at a predetermined rotation speed.
  • the pressure of the air pulsation wave output from the output port 52 is adjusted by adjusting the output adjustment valve 60v.
  • valve body 56 moves up and down in accordance with the uneven pattern provided on the rotary cam 57.
  • the valve seat 53 is controlled to be fully closed, half-opened, fully opened, or the like, for example, in accordance with the concavo-convex pattern provided on the rotary cam 57, thereby outputting a desired air pulsation wave from the output port 52. I do.
  • the driving means (not shown) is controlled by controlling the driving means (not shown) in order to set the period of the air pulsation wave output from the output port 52 to a desired period.
  • the rotation speed of the force 57 can be changed.
  • the air source 15 A, the flow control device 15 B, and / or the output adjustment valve 61 may be appropriately adjusted. .
  • the positive pressure air pulsation wave with the peak at positive pressure and the valley at atmospheric pressure as shown in Fig. 8 (a), and the peak and valley as shown in Fig. 8 (b) Both can generate a positive pressure air pulsation wave at atmospheric pressure.
  • a die 3 having a slit-shaped resin molding opening 3a is used.
  • the resin storage hopper 2 stores a resin raw material R, which is a raw material of a resin molded product (film sheet) p. At this time, the release agent powder is not stored in the resin storage hopper 2. In addition, resin pellets in which the release agent powder is dispersed in advance are not accommodated.
  • a rotating cam 57 having a concavo-convex pattern suitable for mixing and dispersing the release agent powder W with air is attached to the rotating shaft ma of the driving means m of the air pulsating wave converter 15C.
  • release agent powder W having a predetermined particle size is stored in the release agent storage tank 16.
  • each of the roll means 5a, 5b, 5 ⁇ and the sheet material winding roll means 5c is adjusted and rotated.
  • the coolant is circulated and supplied to each of the roll means 5a and 5b.
  • the air source 15 A is driven to generate compressed air in the pipe T1.
  • control means (arithmetic processing unit) 14 A the flow rate adjusting means 15 B adjusts the compressed air generated by driving the air source 15 A to a desired flow rate. Also, using control means (arithmetic processing unit) 14 A, open solenoid valve 22
  • the desired, positive pressure air tl pulsating wave delivered into the rooster S tube T 3 passes through the pipe T 3 and from the air pulsating wave inlet 20 a of the dispersion chamber 20 into the dispersion chamber 20. Supplied.
  • the positive pressure air pulsation wave supplied from the air wave introduction port 20a into the dispersion chamber 20 turns inside the dispersion chamber 20 from the air pulsation wave introduction port 20a to the discharge port 2 Ob.
  • the release agent extracting means (elastic membrane 17) is moved by the positive pressure air pulsation wave supplied from the air pulsation wave inlet 20 a into the dispersion chamber 20, as shown in FIG. a) to Fig. 6 (c)
  • the slit 17 a of the release agent cutting means is repeatedly opened and closed, so that a certain amount of the release agent powder W is discharged into the dispersion chamber 20.
  • the release agent powder W discharged into the dispersion chamber 20 is mixed with the air pulsating wave circulating in the mixing chamber 20, dispersed and fluidized, and is discharged from the discharge port 2 Ob. It is sent out to the pipe T4 together with the positive pressure air pulsation wave.
  • the release agent powder W mixed and dispersed in the positive pressure air pulsation wave passes through the pipe T4, the branch pipe ⁇ 2a, and passes through the slit-shaped outlet of the release agent spraying device 18a into the positive pressure. Is sprayed on the surface of the rotating roll means 5a together with the air pulsation wave.
  • the release agent powder W mixed and dispersed in the positive pressure air pulsation wave passes through the pipe T 4 and the branch pipe T 2 b, and from the slit-shaped outlet of the release agent spray device 18 b, It is sprayed on the surface of the rotating roll means 5b together with the positive pressure air pulsation wave. Further, the air suction means 21a is driven to generate an airflow of a suction atmosphere in the pipe T5a, and the control means (arithmetic processing unit) 14A is used to generate airflow in the pipe T5a.
  • the flow rate of the air in the suction atmosphere is adjusted to a predetermined flow rate, and from the release agent powder suction means 19a, from the outlet of the slit of the release agent spray device 18a, together with the positive pressure air pulsation wave, Of the release agent powder W sprayed on the surface of the rotating roll means 5a, the release agent powder W adhering extra to the surface of the roll means 5a and the excess floating in the air Suction-removal of the new release agent powder W.
  • the air suction means 2 lb is driven to generate an air flow of a suction atmosphere in the pipe T5b, and the control means (arithmetic processing unit) 14A is used to generate suction air in the pipe T5b. Adjust the flow rate of the air in the atmosphere to a predetermined flow rate, and use the release agent powder suction means 19 b to Release agent spraying device 1 8b
  • the slit b ⁇ K of the outlet blows the positive pressure air pulsating wave from the outlet of the ⁇ ⁇ K, and the rotation of the roll means 5b
  • the release agent powder W sprayed on the surface of the roll Means 5 Aspirate and remove excess release agent powder W adhering to the surface of b and excess release agent powder W floating in the air.
  • the heaters 42,... Of the extruder 4A are heated, the electric motor 44 is driven to rotate, and the screw 43 is rotated.
  • the resin raw material discharged from the resin storage hopper 2 into the extruder body 4 1 R force Moves in the extruder body 4 1 in the direction of the die 3 as the screw 4 3 rotates. I do.
  • the resin raw material R discharged into the extruder body 41 is moved to the molten resin Rm by the heat of the heater 4 2 while moving in the direction of the die 3 in the extruder body 41. And sequentially extruded from the resin molding opening 3a of the die 3.
  • the molten resin R m continuously discharged from the resin molding port 3 a of the die 3 is a release agent powder on the surface.
  • one sheet feeding means (roll) 6c is provided near the upstream side of the roll means 5 close to the sheet material winding roll means 5c. From c, the release paper P 3 wound around the paper feeding means (roll) 6 c is fed to the roll means 5 adjacent to the sheet material winding roll means 5 c, and the sheet material winding roll is fed. Means 5 When the resin molded product (film sheet) p is wound around c, the release paper P3 is arranged on one surface of the resin molded product (film sheet) p, and the sheet material winding roll is sequentially taken up. Means 5c is continuously wound.
  • the paper feeding means (roll) 6 c is not always required to be provided. If the product does not include the release paper P 3 as a resin molded product (film sheet) p, Needless to say, the paper feeding means (roll) 6c does not need to be provided.
  • the molten resin Rm containing no release agent is extruded from the die 3.
  • a resin molded product p can be produced without containing a release agent in the resin molded product.
  • the surface of the roll means 5a and 5b is coated with the powder of the release agent mixed and dispersed in the positive pressure air pulsating wave.
  • the release agent powder W that has excessively adhered to the surfaces of the roll means 5a and 5b is blown off by the positive pressure pneumatic wave sent thereafter, and thus the roll means 5a and 5b
  • the release agent powder W is uniformly applied in a minimum necessary amount on the surface of the substrate. This prevents the melted release agent from causing a dripping phenomenon on the surfaces of the roll means 5a and 5b, so that it can be seen when the other resin molded product manufacturing apparatus 101A is used.
  • the release agent extracting means (elastic film) 17 is generated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means 15.
  • the slit 17a provided in the release agent cutting means (elastic film) 17 is opened and closed. That is, the amount of the release agent powder W discharged from the slit 17 a of the release agent cutting means (elastic film) 17 is determined by the positive pressure air generated by the high pressure pulsating air wave generation means 15.
  • the amount of the release agent powder W blown out from the release agent spraying devices 18a and 18b will be constant volume ( Per constant air volume), it always becomes constant.
  • the unit area on the surface of the The phenomenon that the amount of the release agent powder W applied per contact is not uneven does not occur.
  • the release agent powder can be uniformly applied to the surfaces of the roll means 5a and 5b.
  • the resin raw material R containing no release agent is stored in the resin storage hopper 2. That is, the release agent does not exist in the extruder 4A.
  • a release agent is provided between the screw 144 and the molten resin Rm as in the conventional resin molded product manufacturing apparatus 101A.
  • the release agent does not intervene, and the screw 144 does not run idle, and the phenomenon that the molten resin Rm is not extruded from the die 103 does not occur.
  • the resin molded product manufacturing apparatus 1A can be used, the resin molded product P can be produced with high production efficiency.
  • the release agent powder suction means 19a and 19b are further provided, the release agent powder suction means 19a and 19b are suction-driven. By doing so, the release agent powder W that is excessively attached to the surfaces of the roll means 5a and 5b can be removed by suction.
  • the release agent excessively adhered to the surfaces of the roll means 5a and 5b is not melted by the molten resin Rm and does not cause a dripping phenomenon.
  • the problem does not occur when the oily dripping pattern formed by the release agent is formed on the surface of the resin molded product p to be produced as shown in A.
  • the molten resin R m containing no release agent is extruded from the die 3.
  • the positive pressure is applied to the surface of the roll means 5 a, 5 b provided at a position close to the die 3 among the plurality of roll means 5 a, 5 b, 5.
  • the release agent powder mixed with and dispersed in the positive pressure air pulsating wave is applied to the surfaces of the roll means 5a and 5b, the release agent excessively adhered to the surface of the roll means Since the powder W is blown off by the positive pressure air pulsating wave sent afterwards, the release agent powder W is uniformly distributed on the surfaces of the roll means 5a and 5b in the required minimum amount. Will be applied. This prevents the melted release agent from causing a dripping phenomenon on the surface of the roll means 5a, 5b, so that it can be manufactured as seen in the conventional method for manufacturing a resin molded product. There is no problem such as the formation of a pattern such as oil dripping due to the release agent on the surface of the resin molded product p.
  • the molten resin R m containing no release agent is extruded, so that the conventional resin) ⁇ ⁇ ⁇ the method of manufacturing a B product (extrusion molding method)
  • the means for extruding the molten resin Rm (specifically, the screw 144 of the extruder 104A) is idled by the release agent, and the molten resin Rm is not extruded from the die 3. Such a phenomenon does not occur.
  • an air pulsation wave introduction port 20a connected to the high-pressure pulsating air wave generating means 15 is provided below the dispersion chamber 20 at an outline of the dispersion chamber 20. It is provided in the tangential direction. As a result, the positive pressure pneumatic wave that has entered the dispersion chamber 20 from the air pulsation wave introduction port 20a turns in the dispersion chamber 20.
  • Release agent extracting means (elastic body) 17 The vibration of the release agent extracting means (elastic membrane) opening and closing the slit 17a of the release agent dropped into the dispersion chamber 20 by the release agent powder. Is swirled into the swirling flow of the positive pressure air pulsation wave, whereby the release agent powder having a large particle size is crushed to a predetermined particle size.
  • the swirling flow generated in the dispersion chamber 20 is converted into a positive flow.
  • the pressure air pulsation wave forms a swirling flow from bottom to top from the air pulsation wave introduction port 20a located below the dispersion chamber 20 to the discharge port 2Ob located above.
  • a particle-sizing function similar to that of a cyclone occurs in the dispersion chamber 20, and the powder of the large release agent swirls at a lower position in the dispersion chamber 20 and is crushed to a predetermined particle size. Then move into outlet 20b.
  • the powder of the release agent is mixed and dispersed into a swirling, positive-pressure air pulsating wave.
  • the large particles in the release agent powder are broken down to a predetermined particle size by the swirling flow of the positive pressure air pulsating wave. Is not sprayed from the release agent spraying device.
  • a large release agent powder is rolled. Since it is not applied to the surfaces of the means 5a and 5b, the release agent powder having a uniform particle diameter can be uniformly applied to the surfaces of the roll means 5a and 5b.
  • the powder of the release agent is mixed and dispersed into a swirling, positive-pressure airwave moving upward from below, and has a particle-sizing effect.
  • the powder of the release agent having a more uniform particle size can be uniformly applied to the surface.
  • the above-described apparatus 1A for manufacturing a resin molded product merely describes a preferred example for explaining the present invention, and there are various modifications.
  • each of the release agent spray devices 18a and 18b a device having a normal round hole outlet is used, and the release agent spray devices 18a and 18b are used.
  • the release agent spray devices 18a and 18b are also included in the resin molded product manufacturing apparatus according to the present invention.
  • each of the release agent suction means 19 a and 19 b has a slit-shaped outlet has been described, but each of the release agent suction means 19 a and 19 b has been described.
  • the release agent suction means 19a and 19b are reciprocated in the direction of the center axis of the roll means 5a and 5b. are also included in the apparatus for manufacturing a resin molded product according to the present invention.
  • a screen for cleaning the surface of the roll means 5a is provided in the vicinity of the roll means 5a, in a direction opposite to the rotation direction of the roll means 5a, at a predetermined position from the release agent spraying device 18a.
  • a roller (not shown) provided near the roll means 5b in a direction opposite to the rotation direction of the roll means 5b, at a predetermined distance from the release agent spraying device 18b.
  • a device provided with a scraper (not shown) for cleaning the surface of the control means 5b is also included in the resin molded product manufacturing apparatus according to the present invention.
  • a device in which a mold release agent spraying device is provided only in at least one of the roll means 5a and 5b is also included in the tree shaped product manufacturing apparatus according to the present invention.
  • release agent powder W is supplied from one release agent storage tank 16 to the release agent spraying devices 18a and 18b .
  • an air pulsation wave generator 15 and a release agent storage tank 16 are provided in each of the release agent spray devices 18 a and 18 b, respectively.
  • the release agent spray devices 18a and 18b are controlled separately and independently, they are included in the resin molded product manufacturing device according to the present invention.
  • FIG. 9 is an overall configuration diagram schematically illustrating another example of the apparatus for manufacturing a resin molded product according to the present invention.
  • the resin molded product manufacturing apparatus 1B includes a resin storage hopper 2 for storing a resin raw material that is a raw material of the resin molded product, a mold 7, and an extruder 4B.
  • the mold 7 includes a fixed mold 7a and a movable mold 7b.
  • the movable mold 7b When the resin molded product p is taken out, the movable mold 7b is provided with a predetermined ejection 7e for removing the resin molded product p from the mold surface (not shown) of the movable mold 7b. It is provided so that it can appear at the location.
  • the extruder 4B includes an extruder body 41, a heater 42 provided outside the extruder body 41, and a screw 43 rotatably housed in the extruder body 41.
  • the screw 43 is rotated, and the screw 43 is provided with a screw rotating / extruding means 8 for pushing the screw 43 toward the tip of the extruder 4B.
  • the fixed die 7a is connected to the tip of the screw rotating / extruding means 8.
  • a resin storage hopper 2 is connected. ing.
  • the screw rotating / extruding means 8 is rotatable by an electric motor (not shown) or the like, and can be pushed out toward the tip end of the extruder 4B and retracted in the opposite direction by hydraulic means. It is like that.
  • the above configuration is the same as the configuration of the conventional resin molded product manufacturing apparatus 101 B shown in FIG. 21. However, this resin molded product manufacturing apparatus 1 B This is different from the molded product manufacturing equipment 101B.
  • This resin molded product manufacturing apparatus 1B newly includes a mold release, which is mixed with the positive pressure air pulsating wave and dispersed on each of the mold surface of the fixed mold 7a and the mold surface of the movable mold 7b.
  • a means for applying the powder of ⁇ is provided.
  • the configuration of the means for applying the release agent powder mixed and dispersed in the positive pressure air pulsation wave is the same, and for ease of explanation, FIG. Only means for applying the release agent powder mixed and dispersed in the positive pressure air pulsation wave is illustrated, and the mold release mixed and dispersed in the positive pressure air pulsation wave is The illustration of the means for applying the agent powder is omitted.
  • the means for applying the release agent powder mixed with and dispersed in the positive pressure air pulsation wave to the mold surface of the movable mold 7b of the resin molded product manufacturing apparatus 1B is a high pressure pulsation air wave generation means 1.
  • release agent storage tank 16; release agent extraction means 17 provided at the outlet of release agent storage tank 16; release agent spray / suction device 6 movably provided 1 A and release agent spray 'suction device 6 Controls the position of 1 A and controls the entire device 1 B.
  • Control means 14 B is provided.
  • the dynamic air wave generating means 15 is composed of an air source 15 A such as a probe for generating compressed air, and a flow adjusting means 1 for adjusting the flow rate of the compressed air generated by driving the air source 15 A.
  • Air pulsation wave converter 1 which generates compressed air whose flow rate has been adjusted by flow control means 15 B, which is generated by driving air source 15 A 5C.
  • the configuration of the release agent extracting means 1 ⁇ is the same as that of the release agent extracting means 17 of the resin molded product manufacturing apparatus 1A shown in FIG. 1 (see FIG. 3). Is omitted.
  • the portion surrounded by the line II constitutes a quantitative feeder 40 for the release agent powder W of the resin molded product manufacturing apparatus 1B.
  • the configuration of the fixed-quantity feeder 40 is the same as that of the fixed-quantity feeder 40 of the resin molded product manufacturing apparatus 1A shown in FIG. 1 (see FIG. 2). Also, the configuration of the air pulsation wave converter 15C is the same as that of the release agent cutting means 1 ⁇ of the resin molded product manufacturing apparatus 1A shown in FIG. 1 (see FIG. 7). Is omitted.
  • the positional relationship between the empty mi wave introduction port 20a and the discharge port 2b provided in the dispersion chamber 20 is the same as that of the dispersion chamber 20 of the resin molded product manufacturing apparatus 1A shown in FIG. (See Fig. 4 and Fig. 5.) Therefore, the description here is omitted.
  • the air source 15A is connected to the flow rate adjusting means 15B via the pipe T1.
  • the flow rate adjusting means 15B is connected to the pneumatic wave converter 15C via a pipe T2.
  • the air pulsation wave converter 15C is connected to a dispersion chamber 20 provided below the release agent extracting means 17 via a pipe # 3.
  • the flow rate adjusting means 15 B is formed of, for example, a solenoid type solenoid valve, and is connected to a control device (arithmetic processing device) 14 B via a signal line L 1. (Processing unit) According to the command from 14 A, the flow rate of the compressed air generated by driving the air source 15 A can be adjusted to a predetermined flow rate.
  • a solenoid-type solenoid valve 22 is provided to open and close the pipe T2.
  • the solenoid valve 22 is connected to a control device (arithmetic processing device) 14 B via a signal line L 2. T2 can be opened and closed.
  • a branch pipe T 2 a is provided in the middle of the pipe T 2 between the flow rate adjusting means 15 B and the solenoid valve 22.
  • the branch pipe T2a is made to communicate with the atmosphere.
  • a solenoid-type solenoid valve 23 is provided to open and close the branch pipe T2a. Is provided.
  • the solenoid valve 23 is connected to a controller (arithmetic processing unit) 14B via a signal line L3, and in accordance with a command from the controller (arithmetic processing unit) 14B, a branch pipe T is provided. 2a can be opened and closed. That is, if the control device (arithmetic processing device) 14 A opens the solenoid valve 22 and closes the solenoid valve 23, the compressed air generated by driving the air source 15 A is converted into air. Pulsation wave converter 15 C can be sent to.
  • the solenoid valve 22 is closed and the solenoid valve 23 is opened by the control device (arithmetic processing device) 14 B, the compressed air generated by driving the air source 15 A will be In order to escape to the atmosphere through the branch pipe T2a, when the solenoid valves 22 and 23 are controlled in this way, the air source 15A can be connected without stopping the air source 15A. The supply of the compressed air generated by the drive to the pneumatic wave converter 15C can be stopped.
  • Release agent spray ⁇ Suction device 6 1 A is a release agent spray device 18 and release agent powder suction means 1 9 and a cover 1 6a.
  • the cover 1 61a has a substantially semicircular shape when viewed in cross section, and a release agent spraying device 18 and a release agent powder suction means 19 are mounted inside thereof.
  • the cover body 61 a is open in the direction of the spray port of the release agent spraying device 18 and the release agent powder suction port I of the release agent powder suction means 19.
  • a release agent spraying device 18 having a slit-shaped outlet that is equal to or slightly longer than the maximum width of the mold surface provided in the movable mold 17 b is used. Have been.
  • the release agent spraying device 18 is connected to a dispersion chamber 20 via a pipe T4.
  • the release agent powder suction device 19 has a slit-shaped suction port that is equal to or slightly longer than the maximum width of the mold surface provided in the movable mold 17 b. Things are used.
  • the release agent powder suction device 19 is connected to air suction means 21 such as a blower via a pipe T5.
  • a flow rate adjusting means 24 is provided in the middle of the pipe T5.
  • the flow rate adjusting means 24 is composed of, for example, a solenoid type solenoid valve.
  • the flow rate adjusting means 24 and the control device (arithmetic processing device) 14 B are connected by a signal line L 4 derived from the control device (arithmetic processing device) 14 B.
  • the air suction means 21 is driven to drive the air suction means 21 so that the flow rate of the air in the suction atmosphere generated in the pipe T 5 can be adjusted to a predetermined flow rate. It has become.
  • the configuration of the means for applying the powder of the release agent mixed with and dispersed in the positive pressure air pulsating wave to the mold surface of the fixed mold 7a is as follows. Since the configuration is the same as that of the means for applying the release agent powder mixed and dispersed in the pressure air pulsation wave, the description is omitted here for the sake of simplicity.
  • the screw rotating / extruding means 8 is connected to a controller (arithmetic processing unit) 14B via a signal line L5, and in accordance with an instruction from the control unit (arithmetic processing unit) 14B, To rotate the screw 43, to stop the rotation, to push the screw 43 toward the fixed mold 7a, and to return the screw 43 to the position before pushing the screw 43 after pushing it out. You can do it.
  • the movable mold 7b is connected to a controller (arithmetic processing unit) 14B via a signal line L6, and opens and closes according to a command from the controller (arithmetic processing unit) 14B. Has been.
  • the release agent spraying / suction device 61A is configured to be movable in a three-dimensional space by robot means 71A.
  • the robot means 71 is connected to a control device (arithmetic processing device) 14 B via a signal line L 6.
  • a control device arithmetic processing device
  • the teaching is performed. According to the point, the same operation is repeatedly performed.
  • the robot means 71 recognizes the movement amount from the retreat position (Xb, Yb, Zb) to a certain teaching point (Xc, Yc, Zc) by a pulse count method. It has been
  • FIG. 10 is a plan view schematically showing the configuration of the robot means 71 A for moving the release agent spraying / suction device 61 A, with the mold 7 viewed from above.
  • the fixed mold 7 is provided for reference.
  • the mold release agent spraying / suctioning device 61B and the robot means 71B for the mold surface of a are illustrated.
  • FIG. 11 is a side view schematically showing the configuration of the robot means 71 A as viewed from the side of the mold 7.
  • the robot means 71A is attached to the support post 72 as shown in Figs. 10 and 11.
  • the X-axis rail Rx, the first moving body 73 movably provided on the X-axis rail Rx, and the first moving body 73 are fixedly provided to be perpendicular to the X-axis rail Rx.
  • a third moving member 73 movably provided on the Z-axis rail Rz.
  • the release agent spray / suction device 61 A is fixedly attached to the third moving body 73.
  • the X-axis rail Rx of the robot means 71A is provided in a direction orthogonal to the moving direction of the movable mold 7b, and the Y-axis rail Rx is provided in a direction matching the moving direction of the movable mold 7b.
  • the Z-axis rail Rz is provided vertically in the place where the device 1B is installed.
  • each of the release agent spray / suction device 61B and the robot means 71B shown in FIG. 10 is the same as the configuration of each of the release agent spray / suction device 61A and the robot means 71A.
  • Corresponding member devices are denoted by corresponding reference numerals, and description thereof is omitted.
  • the stationary mold 7a is always provided with an off-type piezoelectric sensor (not shown).
  • the piezoelectric sensor (not shown) is connected to a control unit (arithmetic processing unit) 14B via a signal line (not shown), and the movable mold 7b is clamped to the fixed mold 7a. Then, the piezoelectric sensor (not shown) is turned on, and this signal is input to the control device (arithmetic processing device) 14B, and when the movable mold 7b is opened from the fixed mold 7a, The piezoelectric sensor (not shown) is turned off, and this signal is input to the control device (arithmetic processing device) 14B.
  • Movable gold It is possible to determine whether the mold 7b is clamped to the fixed mold 7a or the mold is opened.
  • the control device (arithmetic processing unit) 14B stops the movable mold 7b. I try to control it.
  • An off-type piezoelectric sensor (not shown) is always provided at a position where the movable mold 7b is fully opened.
  • This piezoelectric sensor (not shown) is connected to a control device (arithmetic processing device) 14B via a signal line (not shown).
  • a control device arithmetic processing device
  • the piezoelectric sensor When the sensor (not shown) is turned on and this signal is input to the control unit (processing unit) 14B, and the movable mold 7b moves in the direction of the fixed mold 7a, the piezoelectric The sensor (not shown) is turned off, and the signal power is supplied to the control device (computation processing device) 14 B.
  • the control device (computation processing device) 14 B uses the movable mold 7. It is possible to determine whether or not b is fully open.
  • control device 14B removes the movable mold 7b. It is controlled to stop.
  • FIGS. 12 to 14 are explanatory diagrams schematically showing operations of the resin molded product manufacturing apparatus 1B when manufacturing the resin molded article using the resin molded product manufacturing apparatus 1B.
  • the robot means 71A is actually moved and fixed to the control unit (arithmetic processing unit) 14B.
  • the control unit (arithmetic processing unit) 14B.
  • the piezoelectric sensor (not shown) provided in the fixed mold 7a is turned on, and
  • the screw rotation / extruding means 8 is located at the reference position.
  • the teaching point (retreat position, reference position) of the release agent spraying and suction device 61A of the robot means 71A (Xba, Yba, Z teach ba).
  • the movable mold is used. 7b.
  • the instructions for opening the solenoid valve 23 and the instructions for closing the solenoid valve 22 in the means for applying the release agent powder to the mold surface of b are stored.
  • the robot means 71B is actually moved, and when the movable mold 7b is separated from the fixed mold 7a in the control device (arithmetic processing unit) 14B (at this time, the movable mold 7a is provided in the fixed mold 7a).
  • the piezoelectric sensor (not shown) is turned off, and the movement start signal of the robot means 71B is taught, and the movable mold upper standby position (Xl a, Yla, Z1a) (at this time, the fixed mold 7a
  • the piezoelectric sensor (not shown) and the piezoelectric sensor (not shown) provided at the fully open position of the movable mold 7b are both off. )
  • the start signal of the robot means 71B is taught, and the movable mold upper standby position (X lb , Ylb, Zlb) (at this time, a piezoelectric sensor (not shown) provided on the fixed mold 7a and a piezoelectric sensor (see FIG. 2) provided at the fully open position of the movable mold 7b. Both of them are off.)
  • the teaching point of the release agent spraying / suctioning device 61B is at the teaching point (evacuation position, reference position) (Xlb, Ylb, Zbb) on the control device (calculation processing device) 14B, the fixed metal
  • the command for maintaining the solenoid valve 23 in the open state and the command for maintaining the solenoid valve 22 in the closed state of the means for applying the mold release agent powder to the mold surface of the mold 7a are stored.
  • the screw rotating / extruding means 8 is driven to rotate to start the rotation of the screw 43 (for the above, see FIG. 12 (a)).
  • the control device 14B Teach the start signal of the release agent spray and suction device 61A, and teach the spray point (X1a, Y1a, Z1a) of the release agent spray and suction device 61A.
  • the release agent spraying / suction device 61 A is actually used for the spray point teaching point (X 1 a, Yla, Z1 a), when it is confirmed that the solenoid valve 23 of the means for applying the mold release agent powder to the mold surface of the movable mold 7b is closed,
  • the instruction to keep the valve 22 open is stored in the control unit (arithmetic processing unit) 14B.
  • the release point spraying / suction device 61 A force has actually reached the spray point (X1b, Ylb, Z2b), it is released to the mold surface of the movable mold 7b.
  • a command for closing the solenoid valve 23 and a command for maintaining the solenoid valve 22 open in the means for applying the mold powder are stored in the control device (arithmetic processing device) 14B.
  • the release agent spray / suction device 61A actually reaches the spray point teaching point (X1a, Yla, Z2a)
  • a signal for stopping the drive of the air suction means 21 is issued. Is stored in the control device (arithmetic processing device) 14B.
  • the mold is released to the control device (arithmetic processing device) 14B.
  • the spray start signal of the spraying / suctioning device 61B is taught, and the spray point (X1b, Y1b, Z1b) of the release agent spraying / suctioning device 61B is taught.
  • the release agent spray 'suction unit 61B has actually reached the spray point teaching point (XIb, Ylb, Zlb)
  • the release agent powder is placed on the mold surface of the fixed mold 7a.
  • An instruction for closing the electromagnetic valve 23 and an instruction for maintaining the electromagnetic valve 22 open in the means for applying the liquid are stored in the control device (arithmetic processing device) 14B.
  • the controller (arithmetic processing unit) 14B adds the standby time at the spray point teaching point (Xlb, Y1b, Z1b) and the spray point teaching point (X1b, Y1b, Z1). Enter the travel time from b) to the spray end point teaching point (X1b, Y1b, Z2b).
  • the release agent spraying / suction device 61B actually comes to the spray point (X1b, Ylb, Z2b)
  • the release agent spray is applied to the mold surface of the fixed mold 7a.
  • the instruction to close the electromagnetic valve 23 and the instruction to maintain the electromagnetic valve 22 open in the means for applying the powder are stored in the control device (arithmetic processing device) 14B.
  • the control device (arithmetic processing device) 14B.
  • the teaching point (Xlb, Ylb, Zbb) of the movable mold upper standby position is taught to the controller (arithmetic processing unit) 14B (for the above, see FIG. 12 (b)).
  • the release agent spray / suction device 61A actually moves the movable mold upper standby position to the teaching point.
  • control means 14B confirms the signal returned by the screw rotating / extruding means 8 to the original position
  • the movable mold 7b is opened, and as shown in FIG. 14 (b).
  • an operation signal for ejecting the ejector 7c from the movable mold 7b and then returning it to the original state is obtained by a control means (arithmetic processing unit).
  • the resin raw material R of the resin molded product p to be manufactured is stored in the resin storage hopper 2.
  • the release agent powder is not stored in the resin storage hopper 2.
  • resin pellets in which the release agent powder is dispersed in advance are not accommodated.
  • a rotating cam 57 having a concavo-convex pattern suitable for mixing and dispersing the release agent powder with air is attached to the rotating shaft ma of the driving means m of the air pulsation wave converter 15C.
  • a release agent powder W having a predetermined particle size is stored in the release agent storage tank 16.
  • an empty t jR dynamic wave generating means 15 for applying the release agent powder to the mold surface of the movable mold 7 b and the mold release agent powder are applied to the mold surface of the fixed mold 7 b Means for generating air pulsation waves (not shown).
  • the compressed air generated by driving the air source 15A by the flow rate adjusting means 15B using the control means (arithmetic processing unit) 14B is desired. Adjust the flow rate.
  • the solenoid valve 23 is opened and the solenoid valve 22 is closed, and the air is rotated by the driving means m of the R-wave converter 15 C. ma is rotated at a predetermined rotation speed.
  • the air pulsation wave is not sent into the Nishikikan T3.
  • the raw material R supplied into the cylinder 41 moves in the cylinder 41 in the direction of the fixed mold 7 a with the rotation of the screw 43.
  • the raw material R is brought into a molten state by the heat of the heater 42 while moving in the cylinder 41 in the direction of the fixed mold 7a. It is stored at the tip of one 4 one.
  • the screw 43 itself moves (retreats) to the rear side of the cylinder 41.
  • the injection unit 4B is advanced in the direction of the mold 7, so that the resin of the mold 7 is injected.
  • the screw 43 is extruded in the direction of the fixed mold 7a by using a hydraulic means (not shown) of the screw rotating / extruding means 44.
  • the molten raw material Rm stored at the leading end of the cylinder 41 is injected into the mold 7 that has been clamped (injection step).
  • the injection pressure is maintained until the molten raw material Rm injected into the mold 7 has a certain hardness (pressure keeping process). .
  • the molten raw material R m injected into the mold 7 is indirectly cooled and solidified by the cooling water passing through the mold 7. During the cooling process, all the injection units 4B are stopped except for the rotation of the screw 43 (cooling process).
  • the raw material R used in the next injection step is supplied into the cylinder 41 from the raw material storage hose 2 by the rotation of the screw 43.
  • the raw material R supplied into the cylinder 41 moves in the cylinder 41 in the direction of the fixed mold 7a with the rotation of the screw 43.
  • the raw material R is melted by the heat of the cylinder 4 2 ⁇ while being moved in the direction of the fixed mold 7 a in the cylinder 41, and the molten raw material Rm is transferred to the tip of the cylinder 41.
  • the screw 43 itself starts retreating by the transfer force (extrusion force) generated in the solvent R by the rotation of the screw 43.
  • the amount of the molten raw material R m stored in the cylinder 43 and at the tip of the cylinder 43 is adjusted to an amount corresponding to the capacity to be injected next. (Process of melting and measuring raw materials).
  • the molten FeJ material Rm injected into the mold 7 is sufficiently cooled, and Then, the movable mold 7 b is moved to open the mold 7 (mould opening process), and the resin molded product P molded in the mold 7 is ejected by the ejector 1 c or, in some cases, Then, the resin molded product is taken out to a target place by using an automatic take-out robot means (not shown) having a gripper for grasping the resin molded product (resin molded product protruding step).
  • the screw 43 rotates at a predetermined speed. Then, the resin raw material R discharged from the resin storage hopper 2 into the extruder body 41 moves in the extruder body 41 in the direction of the fixed mold 7 b with the rotation of the screw 43. The resin raw material R discharged into the extruder main body 4 1 is moved in the direction of the fixed mold 7 a in the extruder main body 4 1 by the heat of the molten resin 4 2. Rm and stored at the tip of the extruder body 41.
  • the release agent spray / suction device 61A comes to the spray point teaching point (X1a, Y1a, Z1a)
  • the powder of the release agent is applied to the mold surface of the movable mold 7b. Since the solenoid valve 22 of the means for applying the mold is opened and the solenoid valve 23 is closed, the pipe T 3 of the means for applying the powder of the release agent to the mold surface of the movable mold 7 b A desired positive pressure air pulsation wave is delivered.
  • the desired positive pressure pneumatic wave sent into the pipe T3 is supplied from the pneumatic wave inlet 20a of the dispersion chamber 20 into the dispersion chamber 20 through the pipe T3. You.
  • the positive-pressure air pulsation wave supplied from the air pulsation wave inlet 20 a into the dispersion chamber 20 is swirling in the dispersion chamber 20 from the air pulsation wave inlet 20 a to the outlet 2 Ob. It becomes.
  • the release agent powder W discharged into the dispersion chamber 20 mixes with the air pulsating wave circulating in the mixing chamber 20, disperses and fluidizes, and the positive pressure is discharged from the discharge port 2 Ob. It is sent out to the pipe T4 together with the air pulsation wave.
  • the air suction means 21 is driven to release the release agent spray device 18
  • the mold release agent powder sprayed on the mold surface of the movable mold 7b from the slit-shaped outlet of the mold, the mold release agent powder extraly attached to the mold surface of the movable mold 7b, or drifting in the air Excess release agent powder is removed by suction through the suction port of the mold release / powder suction means 19.
  • This operation is performed when the release agent spray / suction device 61A moves from the spray point teaching point (X1a, Y1a, Z1a) to the spray end point teaching point (X1a, Y1a, Z1). It is performed continuously while moving to 2 a).
  • the release agent powder is evenly applied to the gun surface of the movable mold 7b in a necessary minimum amount.
  • the release agent powder is uniformly applied to the gun mold surface of the fixed mold 7a by a minimum necessary amount by the release agent spraying and suction device 61B.
  • Release agent spray ⁇ Suction device 61 A is used to indicate the spray end point teaching point (X 1 a, Y 1 a, When Z 2 a) is reached, the solenoid valve 23 is opened and the solenoid valve 22 is closed, so that the release agent spray '' the release agent powder from the release agent spray device 18 of the suction device 61A Spraying stops. At this time, since the air suction means 21 stops, the suction of the release agent powder by the release agent powder suction 19 of the release agent spray / suction device 61A also stops.
  • the solenoid valve 23 is opened and the solenoid valve 22 is closed.
  • the spraying of the release agent powder from the release agent spraying device 18 of the suction device 61B is stopped.
  • the air suction means 21 stops, the suction of the release agent powder by the release / powder suction 19 of the release agent spray / suction device 61A also stops.
  • the release / spray / suction device 61A passes through the upper mold standby position (X1a, Y1a, Zba) to the teaching point (retreat position, reference position) (Xba, Yba, Zba). Returns and prepares for the next operation.
  • the release agent spray / suction device 61B also passes through the mold upper standby position (X1b, Y1b, Zbb) to the teaching point (retreat position, reference position) (Xbb, Ybb, Zbb). It returns and prepares for the next operation (for the above operations, see Fig. 12 (a) and Fig. 12 (b)).
  • the release agent spray suction device 61A actually reaches the movable mold upper standby position teaching point (Xla, Yla, Zba), and the release agent spray 'suction device 61B actually Then, when the control means (arithmetic processing unit) 14B confirms that the fixed mold upper standby position teaching point (Xlb, Ylb, Zbb) has been reached, the movable mold 7b becomes the fixed mold 7a. The movable mold 7b and the fixed mold 7a are clamped. When the movable mold 7b and the fixed mold 7a are clamped, the rotation of the screw rotating and pushing means 8 is stopped, and then the screw rotating and pushing means 8 is moved toward the fixed mold 7b. Extruded. As a result, it is stored at the tip of the extruder 41. The melted resin Rm is injected into the mold 7.
  • the movable mold 7b is opened, and the movable mold 7b is taken out to a target place by using the ejector 7c or, in some cases, a robot having a gripping portion for gripping the resin molded product P (FIG. 14) (See (b)).
  • the molten resin Rm containing no release agent is injected into the mold 7.
  • the mold release agent mixed and dispersed with the positive pressure air pulsating wave is applied to each of the mold surface of the fixed mold 7a and the mold surface of the movable mold 7b. Powder is applied. For this reason, the powder of the release agent that has excessively adhered to each of the mold surface of the fixed mold 7a and the mold surface of the movable mold 7b is subjected to the positive pressure air pulsation wave sent thereafter. As a result, the mold release agent powder is uniformly applied to each of the mold surface of the fixed mold and the mold surface of the movable mold in a necessary minimum amount.
  • the high-pressure pulsating air wave generating means 15 is used.
  • the release agent extracting means (elastic film) 17 is vibrated by the generated positive pressure air pulsating wave, and is provided on the release agent extracting means (elastic film) 17
  • the slit 17a is opened and closed. That is, the amount of the release agent powder discharged from the slit 17 a of the release agent extracting means (elastic film) 17 is determined by the positive pressure air generated by the high pressure pulsating air wave generation means 15. It is uniquely determined by the amplitude, period, and waveform of the pulsating wave.
  • the release agent powder can be uniformly applied to each of the mold surface of the fixed mold 7a and the mold surface of the movable mold 7b.
  • the resin raw material R containing no release agent is stored in the resin storage hopper 2. That is, the release agent does not exist in the extruder 4B.
  • a release agent is interposed between the screw 144 and the molten resin Rm as in the conventional resin molded product manufacturing apparatus 101B.
  • This release agent causes the screws 144 to run idle, and the resin raw material supplier
  • the required amount of molten resin Rm is not always stored at the tip of the step (extruder) 4B, and the required amount of molten resin R is always added at the tip of the resin material supply means (extruder) 4B. m can be stored.
  • the release agent spraying apparatuses 18 and 18 are movably provided, and the fixed mold 7a and the movable mold 7b are opened by the control means 14B. At that time, the release agent spraying devices 18 and 18 are inserted between the fixed mold 7a and the movable mold 7b, and the mold surface of the fixed mold 7a and the mold of the movable mold 7b Each of the surfaces is sprayed with the release agent powder mixed with positive pressure air pulsation wave from the release agent spray device 18 and 18 8, and the fixed mold 7a and the movable mold 7b Before closing, the release agent spraying devices 18 and 18 are retracted from between the fixed mold and the movable mold.
  • the mold release agent spraying devices 18 and 18 do not collide with the movable mold 7b when manufacturing the resin molded product p. Performs smooth resin molding.
  • the spraying of the powder of the release agent onto each of the mold surface of the fixed mold 7a and the movable mold 7b ⁇ is performed by the control means 14B and the release agent spray devices 18 and 18. Since the work is performed, there is no accident when the worker gets hurt between the fixed mold 7a and the movable mold 7a with his limbs or body.
  • the release agent powder suction means 19, 19 are further provided. Excessive powder of the release agent adhering to the mold surface of the mold 7a and the mold surface of the movable mold 7b can be removed by suction.
  • release agent powder sprayed from the release agent spraying devices 18 and 18 and floating in the air is removed by suction by the release / powder suction means 18 and 18.
  • the environment of the molded article manufacturing apparatus 101 B can be constantly maintained in a clean environment during the production of the resin molded article p.
  • the molten resin Rm containing no release agent is injected into the mold 7 which has been clamped.
  • a mold release agent powder mixed and dispersed with a positive pressure air pulsation wave is applied to the gun surface of the mold 7, and the mold release agent is applied to the mold surface. Since the molten resin is injected into the applied mold, there is no phenomenon that the resin molded product p sticks to the mold surface of the mold 7 and cannot be removed.
  • the mold release agent powder mixed and dispersed in the positive pressure air miR dynamic wave is applied to the mold surface of the mold 7, the extra powder adhering to the mold surface of the mold 7 is applied.
  • the mold powder is blown off by the positive pressure air m ⁇
  • the mold release agent powder is uniformly applied to the mold surface in the minimum necessary amount. This prevents the melted release agent from causing a dripping phenomenon on the mold surface of the mold 7, so that the resin S3 ⁇ 4B produced as in the conventional method for producing a resin molded product is prevented. There is no problem such as the release agent being formed on the surface of the product, or the formation of a dripping oil pattern.
  • the molten resin Rm containing no release agent is injected into the mold.
  • a means for extruding the molten resin Rm (specifically, a screw extruder) as in the conventional method of manufacturing a resin product (the injection molding method) is used. 3) does not run away due to the release agent, and the phenomenon that the required amount of molten resin Rm cannot be stored at the tip of extruder 104B does not occur. However, the required amount of molten branch resin Rm can be stored.
  • the resin molded product P can be manufactured with high manufacturing efficiency.
  • an air pulsation wave introduction port 20a connected to the high-pressure pulsating air wave generation means 15 is provided at a position below the dispersion chamber 20. It is provided in the tangential direction. Thereby, the positive pressure air pulsation wave that has entered the dispersion chamber 20 through the air pulsation wave introduction port 20a turns in the dispersion chamber 20.
  • Release agent extracting means (elastic film) 17 Vibration of release agent releasing agent (elastic film) 17 Opening and closing of slit 17a of 17 dropped into dispersing chamber 20, release agent The powder of The swirling flow is entrained in the positive pressure air pulsation wave, whereby the powder of the release agent having a large particle size is broken down to a predetermined particle size.
  • the swirl flow generated in the dispersion chamber 20 is converted into a positive flow.
  • the pressure air pulsation wave forms a swirling flow from bottom to top from the air pulsation wave introduction port 20a located below the dispersion chamber 20 to the discharge port 2Ob located above.
  • a particle-sizing function similar to that of a cyclone occurs in the dispersion chamber 20, and the powder of the large release agent swirls at a lower position in the dispersion chamber 20 and is crushed to a predetermined particle size. Then move into outlet 20b.
  • the powder of the release agent is mixed and dispersed into a swirling, positive-pressure air pulsating wave.
  • particles having a large particle diameter in the powder of the release agent are crushed to a predetermined particle size by the swirling flow of the positive pressure air pulsating wave.
  • it is not sprayed by the release agent spraying devices 18 and 18.
  • the powder of the large release agent is not applied to the mold surface of the fixed mold or the mold surface of the movable mold 7b, so that the fixed mold 7a
  • the release agent powder having a uniform particle size can be uniformly applied to the mold surface and the mold surface of the movable mold 7b. According to this, it is also possible to prevent a pattern in which oil is dripped from being formed on the surface of the resin molded product p to be manufactured.
  • the powder of the release agent is mixed and dispersed into a swirling, positive-pressure air pulsating wave that goes upward from below, and has a particle-sizing effect.
  • the release agent powder having a more uniform particle size can be uniformly applied to the mold surface and the mold surface of the movable mold 7b. With this, it is possible to further prevent the formation of a pattern in which oil drips on the surface of the resin molded product p to be manufactured.
  • each of the release agent spraying devices 18 and 18 a device having a normal round hole outlet is used, and each of the release agent spraying devices 18 and 18 is used as a movable mold 7b.
  • Zlb) to each spray end point teaching point (X1a, Y1a, Z2a), (X1b, Y1b, Z2b) This is also included in the apparatus for manufacturing a resin molded product according to the present invention.
  • each of the release agent suction means 19 and 19 has a slit-shaped outlet
  • each of the release agent suction means 19 and 19 has an ordinary round hole.
  • the release agent suction means 19, 19 are synchronized with the release agent spraying devices 18, 18, and the mold surface of the movable mold 7b and the fixed mold 7a are used. ⁇ In each width direction of the mold surface, from each spray point (X1a, Y1a, Z1a), (X1b, Y1b, Z1b), each spray end point
  • the reciprocating motion while moving to the teaching points (X1a, Y1a, Z2a) and (X1b, Y1b, Z2b) is also applicable to the resin molded product according to the present invention.
  • FIG. 15 is a perspective view schematically showing a release agent spray-suction unit 71 provided with a release agent spray device 18 and a release agent suction unit 19, and FIG. FIG. 16 is an exploded perspective view schematically showing the release agent spraying / suction means 71 shown in FIG.
  • the release agent spraying / suction means 71 is such that the release agent spraying device 18 is formed in a slit shape, and the release agent suction means 19 is also formed in a slit shape.
  • the length of these slits is equal to or slightly larger than the width of the mold surface of the mold 7.
  • the pipe T4 branches into a plurality of branch pipes before the release agent spraying device 18 and is connected to the release agent spraying device 18, but each of the plurality of branching tubes has a length. By keeping the pressure constant, the release agent is sprayed evenly from the entirety of the release agent spray device 18.
  • the pipe T5 (T5a, T5b) is also branched into a plurality of branch pipes before the release agent suction means 19 and connected to the release agent suction means 19,
  • the length of each of the branch pipes is made constant, so that the release agent is sucked uniformly from the entire release agent suction means 19.
  • the member denoted by 72 indicates a cap for preventing the release agent sprayed from the release agent spray device 18 from being unnecessarily dispersed and scattered.
  • FIG. 17 is a plan view schematically illustrating another example of the resin molded product manufacturing apparatus according to the present invention.
  • FIG. 18 is a resin molded product manufacturing apparatus shown in FIG.
  • FIG. 2 is a perspective view schematically showing the configuration of FIG.
  • FIG. 19 is a diagram schematically showing a state in which teaching points are taught in the resin molded product manufacturing apparatus according to the present invention.
  • the resin product manufacturing apparatus 1 C includes a raw material storage tank 9, a mixing hopper 10, A heating furnace 11 and a conveying means 13 such as a belt conveyor for conveying the dies 12 are provided.
  • reference numeral 14C denotes a control device (arithmetic processing device) that controls and controls the entire resin molded product manufacturing device 1C. .
  • the raw material storage tank 9 includes raw material storage tanks 9a and 9b for storing the raw materials R1 and R2 of the resin molded product p and a reaction catalyst tank 9c for storing a reaction catalyst (or a reaction initiator).
  • the raw material storage tank 9 further includes a blowing agent storage tank (not shown) for storing a blowing agent and a stabilizer storage tank (not shown) for storing a stabilizer (for example, silicon or the like) as necessary. ) May be provided.
  • raw materials Rl and R2 of the resin molded product reactive low-viscosity and low-molecular-weight liquid raw materials are used.
  • low-molecular-weight polyether and low-molecular-weight polyisocyanate are contained in each of the raw material storage tanks 9a and 9b.
  • stirring blades (stirring blades 10a indicated by hidden lines in FIG. 18) are rotatably accommodated, and are supplied from the raw material storage tank 9 and have low reactivity.
  • the low-molecular-weight liquid raw materials Rl and R2, the reaction catalyst, and the like can be uniformly mixed using the stirring blade 10a.
  • the above configuration is the same as the configuration of the conventional resin molded product manufacturing apparatus 101C shown in FIGS. 22 and 23, but the resin molded product manufacturing apparatus 1C has the following points. However, this is different from the conventional resin molded product manufacturing apparatus 101C.
  • the resin molded product manufacturing apparatus 1 C is newly provided at the high pressure pulsating air wave generating means 15, the release agent storage tank 16, and the discharge port 16 a of the release agent storage tank 16.
  • the release agent spraying device 18 can perform the same operation repeatedly according to the teaching point if the teaching point is taught by the robot means 71 C capable of three-dimensional movement and the control means 1 C. .
  • the release agent cutting means 17 is an elastic film having a slit 17a similar to the resin molded product manufacturing apparatus 1A shown in FIG. 1 and the resin molded product manufacturing apparatus 1B shown in FIG. (See Figure 3).
  • the high-pressure pulsating air wave generating means 15 is composed of an air source 15 A such as a blower for generating compressed air, and a flow adjusting means 1 for adjusting the flow rate of the compressed air generated by driving the air source 15 A.
  • Air pulsation wave converter 1 that generates compressed air whose flow rate has been adjusted by the flow rate adjusting means 15 B by generating 5 B and the air source 15 A, 5C.
  • the portion surrounded by the line II constitutes a quantitative feeder 40 for releasing agent powder of the apparatus 1C.
  • the configuration of the quantitative feeder 40 is the same as the configuration of the quantitative feeder used in the resin molded product manufacturing apparatus 1A shown in FIG. 1 and the resin molded product manufacturing apparatus 1B shown in FIG. (See Fig. 2), so the explanation is omitted here.
  • the configuration of the air wave conversion device 15C is the same as that of the release agent extracting means 17 of the resin molded product manufacturing device 1A shown in FIG. 1 (see FIG. 7). The explanation in is omitted.
  • the air source 15A is connected to the flow rate adjusting means 15B via the pipe T1.
  • the flow rate adjusting means 15B is connected to the pneumatic wave converter 15C via a pipe T2.
  • the air pulsation wave converter 15 C is located below the release agent extracting means 17 via the pipe ⁇ 3 Is connected to the dispersion chamber 20 provided in the storage area.
  • the flow rate adjusting means 15 B is formed of, for example, a solenoid type solenoid valve, and is connected to a control device (arithmetic processing device) 14 B via a signal line L 1. (Processing unit) According to the command from 14 A, the flow rate of the compressed air generated by driving the air source 15 A can be adjusted to a predetermined flow rate.
  • a solenoid valve 22 of a solenoid type is provided in the middle of the pipe T2 to open and close the pipe T2.
  • the solenoid valve 22 is connected to a control device (arithmetic processing device) 14 B via a signal line L 2. 2 can be opened and closed.
  • a branch pipe T 2 a is provided in the middle of the pipe T 2 between the flow rate adjusting means 15 B and the solenoid valve 22.
  • the branch pipe T2a is made to communicate with the atmosphere.
  • a solenoid type solenoid valve 23 Is provided in the middle of the branch pipe T2a.
  • the solenoid valve 23 is connected to a controller (arithmetic processing unit) 14 B via a signal line L 3, and according to a command from the controller (arithmetic processing unit) 14 B, the solenoid valve 23 is connected to the solenoid valve 23.
  • the tube T2a can be opened and closed. That is, if the control device (arithmetic processing device) 14 A opens the solenoid valve 22 and closes the solenoid valve 23, the compressed air generated by driving the air source 15 A is converted into air. Pulsation wave converter 15 C can be sent to.
  • the solenoid valve 22 is closed and the solenoid valve 23 is opened by the control device (arithmetic processing device) 14 B, the compressed air generated by driving the air source 15 A will be In order to escape to the atmosphere through the branch pipe T2a, when the solenoid valves 22 and 23 are controlled in this way, the air source 15A can be connected without stopping the air source 15A.
  • the supply of the compressed air generated by the drive to the pneumatic wave converter 15C can be stopped.
  • the release agent spraying device 18c is provided with an operation lever 18h, and when the operation lever 18h is pulled, the solenoid valve 22 opens and the solenoid valve 23 opens. It is closing.
  • the solenoid valve 22 is closed and the solenoid valve 23 is opened. With this operation, if the operation lever 18 h is pulled, the release agent powder is sprayed from the spray port of the release agent spray device 18 c, and if the operation lever 18 h is stopped, the pull operation is stopped. The spray of the release agent powder is stopped from the spray port of the release agent spray device 18c.
  • FIG. 1 The position relationship between the air pulsation wave inlet 20a and the outlet 2b provided in the dispersion chamber 20 is shown in FIG. This is the same as the dispersing chamber 20 of the molded product manufacturing apparatus 1A (see FIGS. 4 and 5), and the description is omitted here.
  • the robot means 7 1C is actually moved to release the mold release agent to the mold surface of the mold 12 Teach spray points.
  • liquid raw materials R 1 and R 2 having low reactivity and low molecular weight are respectively stored in the raw material storage tanks 9 a and 9 b of the raw material storage tank 9.
  • the reaction catalyst (or reaction initiator) is contained in the reaction catalyst tank 9c.
  • a foaming agent may be stored in a foaming agent storage tank (not shown), or a stabilizer may be stored in a stabilizer storage tank (not shown).
  • a reactive, low-viscosity, low-molecular-weight liquid raw material R1, R2, and a reaction catalyst (or a reaction initiator) are supplied from the raw material storage tank 9 to the mixing hopper 10.
  • a foaming agent and a stabilizer are supplied to the mixing hopper 10 from the raw material storage tank 9 as necessary.
  • At least the reactive low-molecular-weight liquid raw materials R 1 and R 2 containing no release agent are stored in the mixing hopper 10.
  • the mixing hopper 10 supplies the raw material Rl, R2, the reaction catalyst (or the reaction initiator) and the like (excluding the powder of the release agent) from the raw material storage tank 9 to the stirring blade 1 By rotating 0a, the raw material storage tank 9 was supplied to the mixing hopper 10 and the liquid raw material R 1, R 2 with low viscosity and low molecular weight, and the reaction catalyst (or reaction) (Initiator) etc. (except for the release agent powder).
  • a rotating cam 57 having a concavo-convex pattern suitable for mixing and dispersing the release agent powder with air is attached to the rotating shaft ma of the driving means m of the air pulsating wave converter 15C.
  • the release agent powder is stored in the release tank 16.
  • the air pulsation wave generating means 15 is driven.
  • the compressed air generated by driving the air source 15A is adjusted to a desired flow rate by the flow rate adjusting means 15B using the control means (arithmetic processing unit) 14C.
  • the solenoid valve 23 is opened and the solenoid valve 22 is closed, and the rotation axis ma of the driving means m of the air pulsation wave converter 15 C is changed. It is also rotated at a predetermined rotation speed. In the above operation, no compressed air is sent to the air pulsation wave converter 15C, so that no air pulsation wave is sent into the pipe T3.
  • the mold 12 is opened, and the conveying means 13 is moved to convey the mold 12 to the release agent powder spray stage Y4.
  • the robot means 71C is moved to the mold surface 12a of the mold 12 transported to the release agent powder spraying station S4, and the release agent spray device From 18c, spray the release agent powder and apply the release agent.
  • the desired positive pressure air pulsation wave sent into the pipe T3 is supplied from the pneumatic wave inlet 20a of the dispersion chamber 20 into the dispersion chamber 20 through the pipe T3. .
  • the positive-pulse air pulsation wave supplied into the dispersion chamber 20 from the air ⁇ 1 ⁇ dynamic wave inlet 20a flows from the air R dynamic wave inlet 20a to the outlet 2 Ob in the dispersion chamber 20. A swirling flow occurs.
  • the positive agent air pulsation wave supplied from the empty miR motion wave introduction port 20a into the dispersion chamber 20 causes the release agent extracting means (elastic membrane 17) to move to the position shown in Fig. 6 (a).
  • the operation shown in Fig. 6 (c) is repeated, and the slit 17a of the mold release means (elastic membrane 17) repeatedly opens and closes, so that a certain amount of release agent powder is Discharged into the dispersion chamber 20.
  • the powder of the release agent discharged into the dispersion chamber 20 mixes with the air pulsating wave circulating in the mixing chamber 20, disperses and fluidizes, and is discharged from the discharge port 2 Ob. It is sent out to the pipe T4 together with the positive pressure air pulsation wave.
  • the powder of the release agent mixed and dispersed in the positive pressure air wave passes through the pipe ⁇ 4 and flows out of the mold 7 together with the positive pressure air pulsation wave from the outlet of the release agent spray device 18. ⁇ Sprayed on mold surface. Also, at a certain teaching point, when the operation lever 18 h is pulled and the operation is released, the solenoid valve 22 is closed and the solenoid valve 23 is opened.
  • the transfer means 13 is moved to transfer the mold 7 having the release agent applied to the mold surface to the raw material filling station S1.
  • the raw materials R1, R2, the reaction catalyst (or the reaction initiator), etc. are uniformly placed in the mold 12. After filling the agitated one, mold 12 is closed.
  • the transfer means 13 is moved to transfer the mold 12 to the heating station S 2, that is, the heating furnace 11.
  • the mold 12 filled with the raw materials Rl, R2 and the like is heated to a predetermined temperature by the heating furnace 11 in the heating station S2.
  • the raw materials R 1 and R 2 filled in the mold 12 react with each other, and the resin molded product P is formed in the mold 12. Manufactured.
  • the mold 12 is transported by the transport means 13 to the mold opening station S3.
  • the mold 12 which has been cooled to a predetermined temperature or lower is opened, and the resin molded product p formed in the mold 12 is taken out to a predetermined place.
  • the mold 12 from which the resin molded product p has been taken out as described above is again transported to the release agent powder spraying station S4 by the transporting means 13 while being opened, and the next resin Used for the production of molded products.
  • the mold 12 contains a small amount of a mold release agent. At least, reactive low-molecular weight liquid raw materials R 1 and R 2 are filled.
  • the mold release agent powder mixed with and dispersed in the positive pressure air pulsating wave is applied to the mold surface 12a of the mold 12. For this reason, the powder of the release agent that has excessively adhered to the mold surface 12a of the mold 12 is blown away by the positive pressure air pulsating wave sent thereafter, so that the mold 12
  • the mold release powder is uniformly applied to the mold surface 12a in the minimum necessary amount. This prevents the release agent from dripping even if the release agent powder melts when the mold 12 is heated on the mold surface 12 a of the mold 12. Therefore, as seen in the conventional resin molded product manufacturing apparatus 101C, the surface of the resin molded product to be produced has a pattern like oil dripping caused by the release agent. There is no problem of formation.
  • the release agent extracting means (elastic film) 17 is generated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means 15.
  • the slit 17a provided in the release agent cutting means (elastic film) 17 is opened and closed. That is, the amount of the release agent powder discharged from the slit 17 a of the release agent extracting means (elastic film) 17 is determined by the positive pressure air generated by the high pressure pulsating air wave generation means 15. It is uniquely determined by the amplitude, period, and waveform of the pulsating wave.
  • the amount of the release agent powder blown out from the release agent spraying device 18c is a constant volume (constant air amount). Hit, always, constant.
  • the unit was placed on the mold surface 12a of the mold 12 The phenomenon that unevenness occurs in the amount of the release agent powder applied per area does not occur. Therefore, by using the resin molded product manufacturing apparatus 1C, the powder of the release agent can be uniformly applied to the mold surface 12a of the mold 12.
  • the mold 12 is filled with at least a reactive low-molecular-weight liquid raw material that does not contain a release agent.
  • the mold surface 12 a of the mold 12 is coated with the release agent powder mixed and dispersed in the positive pressure empty fliR wave, so that the mold surface 1 2 a Excessive powder of mold release agent attached to 2a is blown off by the positive pressure air pulsating wave sent after that, so the mold release agent is placed on mold surface 12a of mold 12 Of powder will be evenly applied in the minimum necessary amount. This prevents the melted release agent from causing a dripping phenomenon on the mold surface 12a of the mold 12 so that it can be prevented by the conventional method for manufacturing a resin molded product. There is no problem that a release agent is formed on the surface of the resin molded product p to be produced and a pattern such as oil dripping is formed.
  • the discharge port 2Ob is provided at a position above the dispersion chamber 20
  • the swirling flow generated in the dispersion chamber 20 is converted into a positive flow.
  • the pulsating air pulsation wave is located above the air pulsation wave inlet 20a located below the dispersion chamber 20.
  • a swirl flows from bottom to top towards outlet 2 Ob.
  • a particle-sizing function similar to that of a cyclone is generated in the dispersion chamber 20, and the powder of the large release agent swirls at a lower position in the dispersion chamber 20 and is crushed to a predetermined particle diameter. Then move into outlet 2 O b.
  • the powder of the release agent is mixed and dispersed in a swirling, positive-pressure air wave.
  • particles having a large particle diameter in the powder of the release agent are crushed to a predetermined particle size by the swirling flow of the positive pressure air pulsating wave. Is not sprayed from the release agent spraying device.
  • the large release agent powder is not applied to the mold surface 12 a of the mold 12, it is applied to the mold surface 1 2 a of the mold 12.
  • the release agent powder having a uniform particle size can be uniformly applied.
  • the powder of the release agent is mixed and dispersed in a swirling, positive-pressure airwave going upward from below, and has a particle-sizing effect.
  • the release agent powder having a more uniform particle size can be uniformly applied to the mold surface 12a.
  • the robot according to the present invention is further provided with a robot means (not shown) equipped with a release agent powder sucking means I at the release agent powder spraying station S4. Included in equipment for manufacturing molded articles.
  • the release agent powder suction means (not shown) is connected to an air suction means (not shown) such as a blower via a pipe (not shown), and a pipe (not shown). )),
  • an air suction means such as a blower via a pipe (not shown), and a pipe (not shown).
  • a solenoid type flow rate adjusting means (not shown) is provided, and the flow rate adjusting means (not shown) is connected via a signal line (not shown).
  • a controller (arithmetic processing unit) 14 C is connected, and a flow rate adjusting means (not shown) is connected to an air suction means (not shown) according to a command from the control unit (arithmetic processing unit) 14A.
  • the flow rate of air in the suction atmosphere generated in the pipe (not shown) connecting the air suction means (not shown) and the mold release / powder suction means (not shown) Is preferably adjusted to a predetermined flow rate.
  • the release agent powder suction means (not shown) is suction-driven, so that excess release agent powder adhered to the mold surface 12a of the mold 12 is removed. Can be removed by suction.
  • a resin-molded product manufacturing apparatus such as that shown in FIG. 101C, on the surface of a resin-molded product p to be produced, a pattern, such as an oil dripping, caused by a release agent is formed. Then, no problems will arise.
  • release agent powder suction means (not shown). Shape manufacturing equipment 1 C environment is always clean while manufacturing resin molded product p Environment can be maintained.
  • the release agent is contained in the resin molded product. And a resin molded product can be manufactured.
  • a powder of a release agent mixed with a positive pressure air pulsating wave is applied to a surface of a roll means provided in a position close to a die among a plurality of roll means. Since the molten resin extruded from the die is in contact with the roll means coated with the release agent on the surface, the molten fc ⁇ M is attached to the mouth means provided near the die. There is no.
  • the release agent powder mixed with the positive pressure air pulsating wave and dispersed is applied to the surface of the roll means, the release agent powder excessively attached to the surface of the pallet means is applied. Is blown off by the positive pressure air pulsating wave sent after that, so that the release agent powder is evenly applied to the surface of the portal means in the minimum necessary amount. . This prevents the melted release agent from causing a dripping phenomenon on the surface of the roll means, so that the surface of the resin molded article to be produced, as seen in the conventional method for producing a resin molded article, is prevented. The oil drips due to the release agent There is no problem that such a pattern is formed.
  • the surface of the roll means is coated with the powder of the release agent mixed and dispersed in the positive pressure air pulsating wave. For this reason, the powder of the release agent that has excessively adhered to the surface of the roll means is blown off by the positive pressure air pulsation wave sent thereafter, and the powder of the release agent is placed on the surface of the roll means. Will be evenly applied in the minimum necessary amount. This prevents the molten release agent from causing a dripping phenomenon on the surface of the roll means, so that the resin molded product to be manufactured as seen in the resin molding product manufacturing apparatus of ⁇ ⁇ There is no problem such as the formation of a pattern like oil dripping on the surface of the mold due to the release agent.
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air mm wave generated by the high pressure pulsating air wave generating means, and the elastic film is formed. Is opened and closed. That is, the amount of the release agent powder discharged from the slit of the elastic film of the release agent cut-out means is supplied to the high-pressure pulsating air wave generation means. It is uniquely determined by the amplitude, period, and waveform of the positive pressure air wave generated.
  • the amount of the release agent powder blown out from the release agent spraying device is always constant volume (constant air amount).
  • Constant air amount the amount of the release agent powder blown out from the release agent spraying device.
  • the amount of the release agent powder applied per unit area on the surface of the roll means is uneven. Does not occur. Therefore, by using this resin molded product manufacturing apparatus, the release agent powder can be uniformly applied to the surface of the roll means.
  • the release agent excessively attached to the surface of the roll means is not melted by the molten resin and does not cause a dripping phenomenon.
  • the mold release agent causes the oily dripping pattern to be formed on the surface of the molded product.
  • the release agent does not exist in the extruder.
  • the suction of the release agent powder suction means causes an extra surface on the roll means.
  • the powder of the release agent that adheres can be removed by suction.
  • the release agent that has excessively adhered to the surface of the roll means is not melted by the molten resin, and does not cause a dripping phenomenon.
  • a mold release agent is formed on the surface of a resin molded product to be produced, or a pattern such as oil dripping is formed.
  • release agent powder suction means excess release agent powder sprayed from the release agent spray device and floating in the air is also suctioned and removed by the release agent powder suction means, so that the environment of the resin molding product manufacturing apparatus is reduced. A clean environment can be maintained at all times during the production of resin molded products.
  • the release agent mixed with and dispersed in the positive pressure air pulsation wave is applied to the mold surface of the mold, the release agent that is excessively attached to the mold surface of the mold is applied. Powder is blown off by the positive pressure air pulsation wave sent after that, so that the mold release agent powder is evenly applied to the mold surface of the mold in the required minimum amount. Will be.
  • the molten mold release agent is prevented from causing a dripping phenomenon on the mold surface of the mold, so that the resin molded product to be manufactured as seen in the conventional method for manufacturing a resin molded product is used. If the oily dripping pattern is formed on the surface of the mold due to the release agent, no problem occurs.
  • this method for producing a resin molded article if a molten resin containing no release agent is injected into a mold, it can be seen in the conventional method for producing a resin molded article (injection molding method).
  • the means for extruding the molten resin specifically, the screw of the extruder
  • runs idle due to the release agent preventing the required amount of molten resin from being stored at the tip of the extruder. It does not occur, and the required amount of molten resin can always be stored at the tip of the extruder.
  • the release agent spraying device is moved between the fixed mold and the movable mold. Then, the powder of the release agent mixed and dispersed in the positive pressure air pulsation wave is sprayed on the mold surface of the fixed mold and the mold surface of the movable mold. Even when a molten resin that does not contain a release agent is injected, the resin molded product does not adhere to the mold.
  • a mold release agent powder mixed and dispersed with a positive pressure air wave is applied to each of the mold surface of the fixed mold and the mold surface of the movable mold. I have to. For this reason, the powder of the release agent that has excessively adhered to each of the mold surface of the fixed mold and the mold surface of the movable mold is blown off by the positive pressure air wave sent thereafter. Therefore, the mold release agent powder is uniformly applied to each of the mold surface of the fixed mold and the mold surface of the movable mold in the minimum necessary amount. As a result, on each of the mold surface of the fixed mold and the mold surface of the movable mold, the molten release agent causes a dripping phenomenon. Since the rubbing is prevented, oil-driving patterns caused by the release agent on the surface of the manufactured resin molded product as seen in the conventional resin molded product manufacturing equipment Is not formed.
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air miR wave generated by the high-pressure pulsating air wave generating means. Is opened and closed. That is, the amount of the release agent powder discharged from the slit of the elastic film of the release agent cutting means is determined by the amplitude and cycle of the positive pressure air pulsation wave generated by the high pressure pulsation air wave generation means. It is uniquely determined by the waveform. As a result, the amount of release agent powder blown out from the release agent spraying device per fixed volume (constant air volume), as long as air with constant amplitude, constant cycle, and constant pressure, , Always, constant.
  • each unit of the mold surface of the fixed mold and the mold surface of the movable mold was The phenomenon of non-uniformity in the amount of release agent powder applied per area does not occur.
  • the powder of the release agent can be uniformly applied to each of the mold surface of the stationary mold and the gun surface of the movable mold.
  • the mold release agent that has excessively adhered to each of the mold surface of the fixed mold and the mold surface of the movable mold does not melt, and does not cause a dripping phenomenon.
  • the release agent spraying device is provided so as to be movable, and the control device causes the release agent spraying device to move the fixed agent spraying device when the fixed mold and the movable mold are opened.
  • the release agent spray device is retracted from between the fixed mold and the movable mold before the fixed mold and the movable mold are closed.
  • the release agent spraying device does not collide with the movable mold, so that a smooth resin molding operation can be performed.
  • the release agent powder is sprayed onto each of the mold surface of the fixed mold and the mold of the movable mold by the control means and the mold spraying device, the operator is required to spray the powder. Injuries between the fixed mold and the movable mold with limbs or body in between will not cause any unexpected accidents.
  • the release agent powder suction means is further provided, by driving the release agent powder suction means to suck, the fixed mold has a mold surface and Excess release agent powder adhering to each of the mold surfaces of the movable mold can be removed by suction.
  • the release agent that has excessively adhered to each of the mold surface of the fixed mold and the mold surface of the movable mold is not melted by the molten resin and does not cause a dripping phenomenon.
  • Problems such as those seen in the method of manufacturing resin molded products of the above, such as a release agent and the formation of a dripping oil pattern on the surface of the manufactured resin molded product. Does not occur.
  • release agent powder suction means excess release agent powder sprayed from the release agent spraying device and floating in the air is also removed by suction by the release agent powder suction means, thereby reducing the environment of the resin molding product manufacturing apparatus.
  • release agent powder suction means it is possible to maintain a clean environment at all times during the production of resin molded products.
  • the mold release agent powder mixed with and dispersed in the positive pressure air pulsation wave is applied to the mold surface of the mold, the mold release agent extraly attached to the mold surface of the mold is applied. Powder is blown off by the positive pressure air pulsation wave sent after that, so that the mold release agent powder is evenly applied to the mold surface of the mold in the required minimum amount. Will be. This prevents the molten mold release agent from dripping on the mold surface of the mold.
  • the surface of the manufactured resin ⁇ 3 ⁇ 43 ⁇ 4 product has oil-drip-like patterns formed due to the release agent. There is no problem such as that
  • the resin when the mold is open, the resin is mixed and dispersed with the positive pressure air m R wave generated by the high pressure pulsating air wave generating means. Since the mold release agent is sprayed on the surface of the mold, even if the mold is filled with at least a reactive low-molecular-weight liquid raw material that does not contain a mold release agent, it can be used as a resin molded product. However, it does not adhere to the mold.
  • a mold release agent powder mixed with and dispersed in a positive pressure air pulsation wave is applied to a mold surface of a mold. For this reason, the powder of the release agent that has excessively adhered to the mold surface of the mold is blown off by the positive pressure air M wave that is sent thereafter.
  • the mold powder will be evenly applied in the minimum necessary amount. This prevents the release agent from dripping even if the powder of the release agent melts when the mold is heated on the mold surface of the mold.
  • There is no problem such as that seen in an apparatus for manufacturing a product, that a pattern such as an oil dripping is formed on a surface of a resin molded product to be produced due to a mold release ⁇ .
  • the elastic film of the release agent cutting means is vibrated by the positive pressure air pulsating wave generated by the high pressure pulsating air wave generating means, and the elastic film is formed on the elastic film.
  • the slits provided are opened and closed. That is, the amount of the release agent powder discharged from the slit of the elastic film of the release agent cutting means is determined by the amplitude and cycle of the positive pressure air wave generated by the high pressure pulsating air wave generation means. , Depending on the waveform Will be.
  • the powder of the release agent can be uniformly applied to the mold surface of the mold.
  • the release agent powder suction means is further provided. Excessive release agent powder can be removed by suction.
  • the release agent powder is formed into a swirling flow. In addition, it is mixed and dispersed in the positive pressure air pulsation wave. As a result, the particles having a large particle diameter in the powder of the release agent are crushed to a predetermined particle size by the swirling flow of the positive pressure air pulsating wave. Is not sprayed from the release agent spray device.
  • the powder of the large release agent since the powder of the large release agent is not applied to the surface of the roll means or the mold surface of the mold, it is applied to the surface of the roll means and the mold surface of the mold.
  • the powder of the release agent having a uniform particle size can be uniformly applied.
  • the release agent powder is mixed and dispersed into a swirling, positive-pressure air pulsating wave going upward from below, the particle size can be further improved, so that the surface of the roll means can be obtained.
  • the release agent powder having a more uniform particle size can be uniformly applied to the mold surface of the mold.
  • an air pulsation wave inlet which is connected to the high-pressure pulsating air wave generating means, is provided at a position below the dispersion chamber in a direction substantially tangential to the dispersion chamber.
  • the release agent extracting means (elastic membrane)
  • the slit of the release agent extracting means (elastic body) opened and closed, and the powder of the release agent dropped into the dispersion chamber.
  • the particles of the release agent having a large particle size are crushed to a predetermined particle size.
  • the discharge port is provided at a position above the dispersion chamber, the swirling flow of the positive pressure air pulsating wave generated in the dispersion chamber is supplied to the dispersion chamber. From bottom to top, from air pulsation wave inlet at lower position to outlet at upper position It becomes a swirling flow. As a result, a particle size distribution function similar to that of a cyclone is generated in the dispersion chamber, and the powder of the large release agent swirls around the lower position in the dispersion chamber, is crushed to a predetermined particle size, and then flows into the discharge port. Moving.
  • the large release agent powder is not sprayed from the release agent spray device.
  • the powder of the large release agent is not applied to the surface of the roll means or the mold surface of the mold, the powder of the large release agent is applied to the surface of the roll means and the mold surface of the mold.
  • the powder of the release agent having a uniform particle size can be uniformly applied.

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  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention porte sur un procédé de production d'un article en résine moulé dans lequel une résine fondue déchargée d'une matrice est empêchée d'adhérer à un rouleau. Le procédé consiste à appliquer sur la surface de rouleaux (5a, 5b) disposés adjacents à une matrice (3) un produit de démoulage en poudre incorporé et dispersé par onde pulsatoire d'air à pression positive. Le procédé consiste ensuite à extruder une résine fondue (Rm) exempte de produit de démoulage exprimée de la matrice (3), puis à amener la résine fondue (Rm) au contact des rouleaux (5a, 5b) dont la surface est enduite dudit produit de démoulage.
PCT/JP2000/002747 1999-04-30 2000-04-27 Procede et dispositif de production d'un article en resine moule Ceased WO2000066339A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU43145/00A AU4314500A (en) 1999-04-30 2000-04-27 Method of producing resin molded article and device for producing resin molded article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12535099 1999-04-30
JP11/125350 1999-04-30

Publications (1)

Publication Number Publication Date
WO2000066339A1 true WO2000066339A1 (fr) 2000-11-09

Family

ID=14907959

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002747 Ceased WO2000066339A1 (fr) 1999-04-30 2000-04-27 Procede et dispositif de production d'un article en resine moule

Country Status (2)

Country Link
AU (1) AU4314500A (fr)
WO (1) WO2000066339A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1878551A1 (fr) * 2006-07-14 2008-01-16 Schmidt & Heinzmann GmbH & Co. KG Dispositif de transport d'un tronçon de matériau fondu
WO2010106901A1 (fr) * 2009-03-19 2010-09-23 コニカミノルタオプト株式会社 Procédé de fabrication de film optique, film optique et dispositif de fabrication de film optique
JP2014517850A (ja) * 2011-04-08 2014-07-24 イノヴィア フィルムズ リミテッド 生分解性フィルム
JP2023003950A (ja) * 2021-06-25 2023-01-17 セイコーエプソン株式会社 射出成形装置および射出成形装置の成形型

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825015A (ja) * 1994-07-18 1996-01-30 Hanano Shoji Kk 粉末離型剤供給方法
JPH08103860A (ja) * 1994-10-05 1996-04-23 Toyota Motor Corp 離型剤の飛散防止方法及び離型剤の飛散防止装置
JPH08294745A (ja) * 1995-04-26 1996-11-12 Ryobi Ltd 離型剤噴射装置
JPH1085888A (ja) * 1996-09-09 1998-04-07 Honda Motor Co Ltd 離型剤塗布装置
JPH1110303A (ja) * 1997-06-20 1999-01-19 Ube Ind Ltd 溶湯接触面への液状剤噴霧方法およびその装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825015A (ja) * 1994-07-18 1996-01-30 Hanano Shoji Kk 粉末離型剤供給方法
JPH08103860A (ja) * 1994-10-05 1996-04-23 Toyota Motor Corp 離型剤の飛散防止方法及び離型剤の飛散防止装置
JPH08294745A (ja) * 1995-04-26 1996-11-12 Ryobi Ltd 離型剤噴射装置
JPH1085888A (ja) * 1996-09-09 1998-04-07 Honda Motor Co Ltd 離型剤塗布装置
JPH1110303A (ja) * 1997-06-20 1999-01-19 Ube Ind Ltd 溶湯接触面への液状剤噴霧方法およびその装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1878551A1 (fr) * 2006-07-14 2008-01-16 Schmidt & Heinzmann GmbH & Co. KG Dispositif de transport d'un tronçon de matériau fondu
WO2010106901A1 (fr) * 2009-03-19 2010-09-23 コニカミノルタオプト株式会社 Procédé de fabrication de film optique, film optique et dispositif de fabrication de film optique
JPWO2010106901A1 (ja) * 2009-03-19 2012-09-20 コニカミノルタアドバンストレイヤー株式会社 光学フィルムの製造方法、光学フィルム及び光学フィルムの製造装置
JP2014517850A (ja) * 2011-04-08 2014-07-24 イノヴィア フィルムズ リミテッド 生分解性フィルム
JP2023003950A (ja) * 2021-06-25 2023-01-17 セイコーエプソン株式会社 射出成形装置および射出成形装置の成形型
JP7767747B2 (ja) 2021-06-25 2025-11-12 セイコーエプソン株式会社 射出成形装置および射出成形装置の成形型

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