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WO2016158137A1 - Tête de moulage de type à résine fondue et dispositif de moulage à trois dimensions - Google Patents

Tête de moulage de type à résine fondue et dispositif de moulage à trois dimensions Download PDF

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Publication number
WO2016158137A1
WO2016158137A1 PCT/JP2016/055919 JP2016055919W WO2016158137A1 WO 2016158137 A1 WO2016158137 A1 WO 2016158137A1 JP 2016055919 W JP2016055919 W JP 2016055919W WO 2016158137 A1 WO2016158137 A1 WO 2016158137A1
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WO
WIPO (PCT)
Prior art keywords
head
heater
fold
resin
ninety
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/JP2016/055919
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English (en)
Japanese (ja)
Inventor
宣栄 大柏
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Mutoh Industries Ltd
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Mutoh Industries Ltd
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Filing date
Publication date
Application filed by Mutoh Industries Ltd filed Critical Mutoh Industries Ltd
Priority to JP2017509406A priority Critical patent/JP6550455B2/ja
Publication of WO2016158137A1 publication Critical patent/WO2016158137A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor

Definitions

  • the present invention relates to a resin melt molding head and a three-dimensional modeling apparatus using the molding head.
  • a three-dimensional modeling apparatus that manufactures a model based on three-dimensional design data is known from Patent Document 1, for example.
  • various methods such as an optical modeling method, a powder sintering method, an inkjet method, and a molten resin extrusion molding method have been proposed and commercialized.
  • a modeling head for discharging the molten resin that is the material of the modeled object is mounted on a three-dimensional movement mechanism, and the modeling head is moved in the three-dimensional direction. Then, the molten resin is laminated while discharging the molten resin to obtain a shaped article.
  • Such a three-dimensional modeling apparatus includes a heater for heating the head body in order to melt the resin at a high temperature and push it out from the nozzle at the tip of the modeling head.
  • An object of the present invention is to provide a resin fusion molding head that can uniformly heat the entire head and that the heater is not easily damaged, and a three-dimensional modeling apparatus using the head.
  • the resin melt molding head of the present invention is formed by a holding part that holds a resin that is a material of a modeled object and a discharge part that is formed in communication with the holding part and is discharged in a molten state.
  • a head body having a portion, a heater disposed on the outer periphery of the head, and an elastic body disposed on the outer periphery of the heater and attached in a state of being biased toward the center of the head body.
  • the structure of the “ninety-nine fold state” or the “ninety-nine fold heater” is not limited to the structure disclosed in the embodiments described later, but is a space with respect to the extension of the heater.
  • a structure having a typical receiving tray or clearance in other words, a structure having a margin for the elongation of the heater.
  • a three-dimensional modeling apparatus including such a modeling head is provided.
  • FIG. 1 is a perspective view illustrating a schematic configuration of a 3D printer 100 included in a 3D modeling apparatus according to a first embodiment. It is a front view which shows schematic structure of the three-dimensional modeling apparatus which concerns on 1st Embodiment.
  • 2 is a perspective view showing a configuration of an XY stage 12.
  • FIG. 3 is a block diagram illustrating details of the structure of a driver 300.
  • FIG. 3 is a cross-sectional view of a modeling head having a cartridge heater 39.
  • FIG. 3 is a schematic view of a modeling head having a spiral heater 48.
  • FIG. 1 is a schematic view of a resin melt molding head 25 according to a first embodiment. It is the schematic explaining the manufacturing method of the resin fusion molding head 25 which concerns on 1st Embodiment.
  • FIG. 3 is a partial cross-sectional view of a resin melt molding head 25 according to the first embodiment.
  • FIG. It is the schematic which shows the other example of a 99-fold heater, (a) is an example of a sine wave type, (b) is a structural example of the bending part of a heater.
  • mold modeling head 50 which concerns on 2nd Embodiment.
  • mold modeling head 50 which concerns on 2nd Embodiment.
  • mold modeling head 60 which concerns on 3rd Embodiment.
  • FIG. 1 is a perspective view showing a schematic configuration of a 3D printer 100 used in the first embodiment.
  • the 3D printer 100 includes a frame 11, an XY stage 12, a modeling stage 13, a lifting table 14, and a guide shaft 15.
  • a computer 200 is connected to the 3D printer 100 as a control device for controlling the 3D printer 100.
  • a driver 300 for driving various mechanisms in the 3D printer 100 is also connected to the 3D printer 100.
  • the frame 11 has, for example, a rectangular parallelepiped shape and includes a frame made of a metal material such as aluminum.
  • the frame 11 has, for example, a rectangular parallelepiped shape and includes a frame made of a metal material such as aluminum.
  • four guide shafts 15 are formed at four corners of the frame 11 so as to extend in the Z direction in FIG. 1, that is, in a direction perpendicular to the plane of the modeling stage 10.
  • the guide shaft 15 is a linear member that defines a direction in which the elevating table 14 is moved in the vertical direction as will be described later.
  • the number of guide shafts 15 is not limited to four, and is set to a number that can stably maintain and move the lifting table 14.
  • the modeling stage 13 is a table on which the model S is placed, and is a table on which a thermoplastic resin discharged from a modeling head described later is deposited.
  • the lifting table 14 penetrates the guide shaft 15 at its four corners, and is configured to be movable along the longitudinal direction (Z direction) of the guide shaft 15. .
  • the elevating table 14 includes rollers 34 and 35 that come into contact with the guide shaft 15, and the elevating table 14 moves smoothly in the Z direction as the rollers 34 and 35 rotate while in contact with the guide shaft 15. It is possible to do.
  • the elevating table 14 transmits a driving force of the motor Mz by a power transmission mechanism including a timing belt, a wire, a pulley, and the like, so that a predetermined interval (for example, 0.1 mm pitch) in the vertical direction. Move with.
  • the motor Mz for example, a servo motor or a stepping motor is suitable.
  • FIG. 3 is a perspective view showing a schematic configuration of the XY stage 12.
  • the XY stage 12 includes a frame body 21, an X guide rail 22, a Y guide rail 23, a reel 24, a modeling head 25, and a modeling head holder H. Both ends of the X guide rail 22 are fitted into the Y guide rail 23 and are held slidable in the Y direction.
  • the reel 24 is fixed to the modeling head holder H, and moves in the XY directions following the movement of the modeling head 25 held by the modeling head holder H.
  • the thermoplastic resin used as the material of the shaped object S is a string-like resin (filament 43) having a diameter of about 3 to 1.75 mm, and is usually held in a state of being wound around the reel 24.
  • the molding head 25 is fed into the modeling head 25 by a motor (extruder) provided on the modeling head 25.
  • the reel 24 may be fixed to the frame body 21 or the like without being fixed to the modeling head holder H so that the movement of the modeling head 25 is not followed.
  • a guide for example, a tube, a ring guide, etc.
  • the filament 43 is fed into the modeling head 25 from the reel 24 through the tube Tb.
  • the modeling head 25 is held by a modeling head holder H and is configured to be movable along the X and Y guide rails 22 and 23 together with the reel 24.
  • an extruder motor for feeding the filament 43 downward in the Z direction is disposed in the modeling head 25.
  • the modeling head 25 only needs to be movable with the modeling head holder H while maintaining a fixed positional relationship with each other in the XY plane, but is configured so that the mutual positional relationship can be changed also in the XY plane. It may be.
  • motors Mx and My for moving the modeling head 25 relative to the XY table 12 are also provided on the XY stage 12.
  • the motors Mx and My for example, a servo motor or a stepping motor is suitable.
  • the number of modeling heads is one, but two or more modeling heads may be used.
  • the modeling head 25 will be described in more detail later.
  • the driver 300 includes a CPU 301, a filament feeding device 302, a head control device 303, a current switch 304, and a motor driver 306.
  • the CPU 301 receives various signals from the computer 200 via the input / output interface 307 and controls the entire driver 300.
  • the filament feeder 302 instructs and controls the feed amount (push amount or retract amount) of the filament 43 to the modeling head 25 with respect to the extruder motor in the modeling head 25.
  • the current switch 304 is a switch circuit for switching the amount of current flowing through the heater 31.
  • the motor driver 306 generates a pulse signal for controlling the motors Mx, My, and Mz in accordance with a control signal from the CPU 301.
  • Modeling method Next, a method for modeling the model S using the 3D printer 100 configured as described above will be described.
  • the motor driver 306 In accordance with a control signal from the CPU 301, the motor driver 306 generates a pulse signal for controlling the motors Mx, My, and Mz. In response to the pulse signal, the motor Mz transmits the driving force by a power transmission mechanism including a timing belt, a wire, a pulley, and the like, thereby moving the lifting table 14 in the Z direction (vertical direction). Further, the motors Mx and My move the modeling head 25 to a predetermined position with respect to the XY stage 12 by the pulse signal.
  • a power transmission mechanism including a timing belt, a wire, a pulley, and the like
  • the filament 43 pushed into the modeling head 25 is heated by the heater provided in the modeling head 25, the filament 43 is melted and discharged from the tip of the modeling head 25 to the outside.
  • the molten resin is discharged onto the modeling stage 13 and the molten resin is laminated, thereby obtaining the molded object S.
  • the modeling head 25 is moved in the Z direction by fixing the modeling stage 13 and moving the lifting table 14 in the Z direction (vertical direction).
  • the position of the lifting table 14 in the Z direction is changed. It can also be set as the structure which models by fixing and fixing the position of the modeling head 25 of the Z direction, and moving the modeling stage 13 to a Z direction (up-down direction).
  • modeling head 25 according to the present embodiment will be described in more detail.
  • FIG. 5 is a schematic view of a conventional modeling head 30 using a cartridge heater 39.
  • the modeling head 30 changes the temperature of the head main body 41, the resin holding portion 38 provided in the head main body 41, the discharge portion 29 formed in communication with the resin holding portion 38, and the temperature of the head main body 41.
  • a temperature sensor 42 for measuring the temperature of the head main body 41.
  • the resin holding portion 38 is a portion into which the filament 43 described above enters.
  • the filament 43 is melted and the filament 43 in the molten state is melted. Is accumulated in the resin holding portion 38 and further discharged from the discharge portion 29 to the outside.
  • the cartridge heater 39 is disposed at an asymmetrical position in the head body 41 as shown in FIG. 5, the resin inside the head cannot be heated uniformly.
  • a modeling head 40 having a structure as shown in FIG. 6 is used.
  • the modeling head 40 uses a spiral heater 48 instead of the cartridge heater 39 shown in FIG.
  • a spiral heater 48 is configured by spirally winding a heater around an outer periphery of a head body 46 via an insulating sheet 47 made of polyimide or the like.
  • the heater is arranged symmetrically with respect to the central axis of the head main body 46 by winding the heater spirally around the outer periphery of the head main body 46 as described above, the heater is heated isotropically when viewed from the central axis of the head main body 46. Can do.
  • the thermal expansion coefficient of the material differs between the heater constituting the helical heater 48 and the head main body 46, if it is securely fixed, heating and cooling are repeated each time it is used, and stress is accumulated in the heater. As a result, a problem arises in that the air gaps are easily broken.
  • FIG. 7 and 10 show the structure of the resin melt molding head 25 according to the present embodiment.
  • This resin melt molding head 25 covers the outer periphery of the head main body 28 with an insulating sheet 32 (FIG. 10), and further, a heater is placed a predetermined length in the head axial direction (vertical direction in the figure).
  • a vertical ninety-nine fold heater 31 is provided by arranging it in a ninety-nine fold state (hereinafter referred to as “vertical ninety-nine fold”) that is repeatedly folded in the opposite direction.
  • a helical fixed spring body 37 is attached to the outer periphery of the outer periphery via an insulating sheet 36 while being elastically biased.
  • the interval (p) and the like can be arbitrarily set.
  • the cross-sectional shape of the heater can be an arbitrary shape such as a perfect circle, an ellipse, or a rectangle.
  • the diameter in the case of a perfect circle and the aspect ratio in the case of a rectangle can be set to arbitrary values.
  • a ninety-nine fold heater as shown in FIG.
  • the heater 33 can have a sine wave (sine curve) shape, and the pitch of the sine wave can be set to an arbitrary value. can do. Moreover, it can also be set as the shape which combined the straight line and the semicircle, or the shape which rounded the corner
  • the fixed spring body 37 can be made of a heat-resistant spring material such as SUS304, SUS631, or Inconel (R). As shown in FIG. 7, the length (L) of the fixed spring body 37 in the head axis direction is made larger than the length (l) of the vertical axis ninety-nine fold heater 31.
  • the inner diameter d of the fixed spring body 37 is set smaller than the outer diameter D of the head body 28. Further, the inner diameter d of the fixed spring body 37 may be a constant value over the entire length (L) in the head axis direction, or may be partially changed or continuously changed. Furthermore, the diameter when the cross-sectional shape of one spring constituting the spring body is a perfect circle, the aspect ratio when the shape is rectangular, and the thickness can be set to arbitrary values.
  • the pitch interval of the fixed spring body 37 can be arbitrarily set.
  • the pitch interval may be a constant value over the entire length (L) in the head axis direction, or may be partially changed to a different value or continuously changed.
  • the angle of the spring body with respect to the head axis direction can also be set to an arbitrary value.
  • both ends of the fixed spring body 37 are open ends, and a margin in the circumferential direction is ensured, but one of them may be fixed.
  • the fixed spring body 37 can be provided on the outermost periphery of the resin melt molding head 25.
  • the insulating sheets 32 and 36 having a heat resistant temperature of about 100 ° C. or higher than the heating temperature by the heater, for example, polyimide film, mica film, fluororesin film, glass tape, silica tape, alumina tape. Those having excellent heat resistance and insulation properties such as the above can be used. Further, the insulating sheet 32 and the insulating sheet 36 may be made of the same material or different materials.
  • a resin holding portion 38 is provided in the head main body 28 so as to communicate with the discharge portion 29, and a temperature sensor 42 for measuring the temperature of the head main body 28 is provided. Yes.
  • Resin holding part 38 is a part into which filament 43 enters.
  • an extruder motor for feeding the filament 43 downward in the Z direction is disposed in the head main body 28.
  • the filament 43 is melted and the molten filament 43 is pushed into the resin holding portion 38. It is discharged from the discharge unit 29 to the outside.
  • the temperature of the head main body 28 is controlled using the vertical direction ninety-nine fold heater 31 and the temperature sensor 42.
  • the temperature sensor 42 is disposed in the vicinity of the inner wall of the resin holding portion 38.
  • the temperature sensor 42 measures the temperature of a predetermined location in the head main body 28 and feeds back the measurement result to the computer 200.
  • the computer 200 controls the vertical ninety-nine fold heater 31 according to the feedback result.
  • the head body 41 of the modeling head 25 is often made of an aluminum alloy in order to improve heat conduction.
  • the resin melt molding head 25 can be manufactured by the following procedure. First, as shown in FIG. 8, an insulating sheet 32, a vertical ninety-nine fold heater 31, and an insulating sheet 36 are prepared in order on the outside of the head body 28, and the insulating sheet 32 is coated on the outer periphery of the head body 28 The vertical ninety-nine fold heater 31 is disposed along the outer periphery thereof (see FIG. 9). Further, after covering the surface with the insulating sheet 36, a fixed spring body 37 having an inner diameter (d) smaller than the outer diameter (D) of the head body 28 is prepared.
  • the fixed spring body 37 is placed on the head body 28 covered with the insulating sheet 36 in a state where the inner diameter (d) of the fixed spring body 37 is larger than the outer diameter (D) of the head body 28.
  • biasing means a state in which a force is applied in the center direction but is not fixed and is movable.
  • the heater 9 is repeatedly extended on the outer periphery of the head main body 28 by a predetermined length in the head axial direction and folded back in the opposite direction via the insulating sheet 32. Since the nineteen-fold heater 31 is provided, even if heating is repeated every time it is used, the heater extends along the surface of the insulating sheet 32, so that a gap is hardly generated at the interface with the insulating sheet 32. And since it is urged
  • FIG. 12 shows the structure of the resin melt molding head 50 according to the second embodiment.
  • the resin melt molding head 50 is in a ninety-nine fold state (hereinafter referred to as “horizontal direction ninety-nine”) that repeats folding back in the opposite direction while extending the heater by a predetermined length in the outer circumferential direction (lateral direction in the figure) of the head. It is formed in the same manner as the resin melt molding head 25 according to the first embodiment, except that the laterally ninety-nine fold heater 51 is provided by arranging it as “Fold”.
  • the material and thickness of the heater used, the cross-sectional shape when cut at an arbitrary position in the longitudinal direction, the length in the head axis direction (l), the number of turns (n), the pitch The interval (p) and the like can be arbitrarily set.
  • the cross-sectional shape of the heater can be an arbitrary shape such as a perfect circle, an ellipse, or a rectangle.
  • the diameter in the case of a perfect circle and the aspect ratio in the case of a rectangle can be set to arbitrary values.
  • the length (l) in the head axis direction of the horizontal direction 99-fold heater 31 is set to be smaller than the length (L) in the head axis direction of the fixed spring body 37.
  • the turning points 52a and 53a are not located at the same position in the head axis direction but are arranged at positions shifted from each other.
  • the resin melt molding head 50 is provided with an insulating sheet 32, a horizontal ninety-nine fold heater 51, and an insulating sheet 36 in order on the outer side of the head body 28, and insulated on the outer periphery of the head body 28.
  • the transverse ninety-nine fold heater 51 is disposed along the outer periphery thereof.
  • a fixed spring body 37 having an inner diameter (d) smaller than the outer diameter (D) of the head body 28 is prepared, and the inner diameter (d) is set to the outer diameter of the head body 28. In the state expanded more than (D), it covers the head main body 28 covered with the insulating sheet 36.
  • the horizontal ninety-nine fold heater 51 is urged and supported by the elastic force toward the center by the fixed spring body 37.
  • the heater is extended to the outer periphery of the head body 28 by a predetermined length on the outer periphery of the head main body 28 and repeatedly folded back in the opposite direction. Since the ninety-nine fold heater 51 is provided, even if the heating is repeated every time it is used, the heater extends along the surface of the insulating sheet 32, so that a gap is hardly generated at the interface with the insulating sheet 32. And since it is pressurized by the fixed spring body 37 arrange
  • the folding point 52a of the adjacent ninety-nine folding part 52 and the folding point 53a of the ninety-nine folding part 53 are not located at the same position in the head axis direction but are shifted from each other. There is no short circuit due to contact even when extended.
  • mold modeling head and 3D modeling apparatus which concern on 3rd Embodiment are demonstrated.
  • the configuration of the resin melt molding head is different from that of the first embodiment. Since the structure of the other 3D modeling apparatus and the manufacturing method of the modeled object may be substantially the same as those in the first embodiment, the description thereof is omitted. 14 and 15, the same reference numerals are given to the same components as those in the first embodiment, and the detailed description thereof will be omitted below.
  • FIG. 14 shows the structure of a resin melt molding head 60 according to the third embodiment.
  • the resin melt molding head 60 is formed in the same manner as the resin melt molding head 25 according to the first embodiment except that the mixing ninety-nine fold heater 61 is provided.
  • the mixed ninety-nine fold heater 61 includes a part of the horizontal ninety-nine fold heater shown in the second embodiment (the horizontal ninety-nine fold portion 61a) and the vertical one shown in the first embodiment. It is configured by alternately combining a part of the direction 99-fold heater (vertical direction 99-fold portion 61b).
  • the material and thickness of the heater used, the cross-sectional shape when cut at an arbitrary position in the longitudinal direction, the length in the head axis direction (l), the number of turns (n), and the pitch interval (P) etc. can be set arbitrarily.
  • the cross-sectional shape of the heater can be an arbitrary shape such as a perfect circle, an ellipse, or a rectangle.
  • the diameter in the case of a perfect circle and the aspect ratio in the case of a rectangle can be set to arbitrary values.
  • the head axis direction length (l) of the mixing ninety-nine fold heater 61 is set to be smaller than the head axis direction length (L) of the fixed spring body 37.
  • the resin melt molding head 60 prepares an insulating sheet 32, a mixed ninety-nine fold heater 61, and an insulating sheet 36 in order on the outer side of the head main body 28, and an insulating sheet on the outer periphery of the head main body 28.
  • the mixing ninety-nine fold heater 61 is disposed along the outer periphery thereof.
  • a fixed spring body 37 having an inner diameter (d) smaller than the outer diameter (D) of the head body 28 is prepared, and the inner diameter (d) is set to the outer diameter of the head body 28. In the state expanded more than (D), it covers the head main body 28 covered with the insulating sheet 36.
  • the mixing ninety-nine fold heater 61 is urged and supported by the elastic force toward the center by the fixed spring body 37.
  • the mixing ninety-nine fold heater 61 is provided on the outer periphery of the head main body 28 via the insulating sheet 32, so that heating is repeated each time it is used.
  • the heater extends along the surface of the insulating sheet 32, a gap is hardly generated at the interface with the insulating sheet 32.
  • it is pressurized by the fixed spring body 37 arrange
  • the insulating sheets 32 and 36 are interposed between the head body 28 and the heater, and between the heater and the fixed spring body 37, respectively. If used, there is no possibility of short-circuiting with the head main body 28 or the fixed spring body 37, so that one or both of the insulating sheets 32 and 36 can be omitted.
  • examples of vertical, horizontal and mixed ninety-nine fold heaters have been shown as heaters for heating the head.
  • a wave heater 71 in which a plurality of heaters formed in a wave shape are wound in multiple layers may be used, and a fixed spring body 37 may be provided on the outer periphery thereof with an insulating sheet 36 interposed therebetween.
  • the heater is urged and supported using the fixed spring body 37 having the same inner diameter over the entire axial direction of the head body.
  • a spiral spring body 90 that minimizes may be used.
  • the inner diameter d1 of the central portion of the spring 45 constituting the spiral spring body 90, the inner diameter of the end portion is d2, and the outer diameter of the head body 28 is D the relationship is set so as to satisfy the relationship d1 ⁇ d2 ⁇ D. Is done.
  • a highly heat-resistant elastic body such as SUS304, SUS631, or Inconel (R) may be used as the spring 45.
  • the fixed spring body 37a having a spiral structure is used as the spring shape as shown in FIG. 19A, but it is needless to say that other structures may be used.
  • a fixed spring body 37b having a 99-fold structure can be used.
  • the fixed spring body 37b having a 99-fold structure is set smaller than the outer diameter D of the head body 28, where d is the natural diameter (inner diameter) of the spring. Assembling is performed by covering the head main body 28 covered with the insulating sheet 36 with the inner diameter d being larger than the outer diameter D of the head main body 28.
  • modeling head 41 ..Head body, 42 ... temperature sensor, 43 ... filament, 45 ... spring body, 46 ... head body, 47 ... insulating sheet, 48 ... spiral heater, 50 ... Resin melt-type molding head, 51... Ninety-nine fold heater, 52... Ninety-nine fold part, 52 a ... Folding point, 53 ... Ninety-nine fold part, 53 a. Folding point, 60 ... resin melt molding head, 61 ... mixed ninety-nine fold heater, 61a ... horizontal ninety-nine fold, 61b ... vertical ninety-nine fold, 63 ..Band-shaped (strip-shaped) heater, 70 ... resin melt molding head, 71 ...
  • wave heater 80 ... resin melt molding head, 81 ... slit, 90 ... spiral spring Body, 100... 3D printer, 200... Computer, 300.
  • Driver 301 ... CPU, 302 ... filament feeding device, 304 ... current switch, 306 ... motor driver, 307 ... interface.

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Abstract

L'objectif de la présente invention concerne une tête de moulage de type à résine fondue, dans laquelle la totalité de la tête peut être chauffée uniformément et dans laquelle un dispositif de chauffage résiste aux dommages, et un dispositif de moulage à trois dimensions qui utilise cette tête. Une tête de moulage 25 de type à résine fondue est formée par : recouvrement de la périphérie externe d'un corps de tête 28 par une feuille isolante 32 ; disposition d'un dispositif de chauffage dans un état en zigzag (état verticalement en zigzag) sur la feuille isolante 32, afin de fournir un dispositif de chauffage 31 verticalement en zigzag par répétition de la procédure suivante, à savoir, étendre le dispositif de chauffage sur une longueur prescrite dans une direction axiale de la tête (la direction verticale dans le dessin), tout en laissant un espace prescrit dans la direction circonférentielle, et replier le dispositif de chauffage dans la direction opposée ; et fixation d'un ressort de fixation en spirale 37 à la périphérie extérieure du dispositif de chauffage, avec interposition d'une feuille isolante 36, le ressort de fixation 37 étant dans un état de poussée élastique.
PCT/JP2016/055919 2015-03-31 2016-02-26 Tête de moulage de type à résine fondue et dispositif de moulage à trois dimensions Ceased WO2016158137A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738866A (zh) * 2016-12-30 2017-05-31 武汉华育诺为信息技术有限公司 一种3d打印装置及系统
JP2023553822A (ja) * 2020-12-10 2023-12-26 テヒニシェ ウニヴェルズィテート ミュンヘン 溶融エレクトロ書込みシステムおよび対応する方法
EP4375050A1 (fr) * 2022-11-25 2024-05-29 Eichenauer Heizelemente GmbH & Co. KG Tête d'impression pour une imprimante 3d

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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TWI723375B (zh) * 2016-11-22 2021-04-01 三緯國際立體列印科技股份有限公司 通過3d印表機實現的2d文件列印方法
US11485088B2 (en) 2017-10-03 2022-11-01 Jabil Inc. Apparatus, system and method of process monitoring and control in an additive manufacturing environment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156070A (ja) * 1994-10-05 1996-06-18 Shinko Sellbick:Kk 材料供給装置
JP3219199B2 (ja) * 1995-12-31 2001-10-15 株式会社新興セルビック 金型レス成形方法および装置
JP2003534159A (ja) * 2000-05-19 2003-11-18 ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー 改良されたｆｄｍ製品、方法、及び装置
JP2005503283A (ja) * 2001-09-21 2005-02-03 ストラタシス・インコーポレイテッド 押出装置におけるメルトフローの補償
JP2008153151A (ja) * 2006-12-20 2008-07-03 Yamari Sangyo Kk マイクロヒータの取付構造
JP2012049091A (ja) * 2010-08-30 2012-03-08 Noritz Corp ヒータの取付け構造およびこの構造を備えた熱交換器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156070A (ja) * 1994-10-05 1996-06-18 Shinko Sellbick:Kk 材料供給装置
JP3219199B2 (ja) * 1995-12-31 2001-10-15 株式会社新興セルビック 金型レス成形方法および装置
JP2003534159A (ja) * 2000-05-19 2003-11-18 ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー 改良されたｆｄｍ製品、方法、及び装置
JP2005503283A (ja) * 2001-09-21 2005-02-03 ストラタシス・インコーポレイテッド 押出装置におけるメルトフローの補償
JP2008153151A (ja) * 2006-12-20 2008-07-03 Yamari Sangyo Kk マイクロヒータの取付構造
JP2012049091A (ja) * 2010-08-30 2012-03-08 Noritz Corp ヒータの取付け構造およびこの構造を備えた熱交換器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738866A (zh) * 2016-12-30 2017-05-31 武汉华育诺为信息技术有限公司 一种3d打印装置及系统
JP2023553822A (ja) * 2020-12-10 2023-12-26 テヒニシェ ウニヴェルズィテート ミュンヘン 溶融エレクトロ書込みシステムおよび対応する方法
EP4375050A1 (fr) * 2022-11-25 2024-05-29 Eichenauer Heizelemente GmbH & Co. KG Tête d'impression pour une imprimante 3d
US12415313B2 (en) 2022-11-25 2025-09-16 Eichenauer Heizelemente Gmbh & Co. Kg Print head for a 3D printer

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