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WO2016147395A1 - Dispositif de découpe et dispositif de production d'article moulé - Google Patents

Dispositif de découpe et dispositif de production d'article moulé Download PDF

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Publication number
WO2016147395A1
WO2016147395A1 PCT/JP2015/058305 JP2015058305W WO2016147395A1 WO 2016147395 A1 WO2016147395 A1 WO 2016147395A1 JP 2015058305 W JP2015058305 W JP 2015058305W WO 2016147395 A1 WO2016147395 A1 WO 2016147395A1
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WO
WIPO (PCT)
Prior art keywords
vibration
molded body
cutting
cutting wire
receiving portion
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/JP2015/058305
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English (en)
Japanese (ja)
Inventor
武 松村
佐々木　宏
順平 中山
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2015/058305 priority Critical patent/WO2016147395A1/fr
Publication of WO2016147395A1 publication Critical patent/WO2016147395A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff

Definitions

  • the present invention relates to a cutting device for cutting a formed body having a honeycomb structure used for a smoking article into a predetermined length. Furthermore, this invention relates to the manufacturing apparatus provided with the cutting device which cut
  • Solid tobacco blended with tobacco raw materials pulverized into powder is obtained by cutting a rod-shaped tobacco molded product into a desired length.
  • the tobacco molded body is formed, for example, by extruding a tobacco mixture containing a tobacco raw material and water from an extruder.
  • the tobacco molded body extruded from the extruder has a honeycomb structure in which a plurality of air passages partitioned from each other are provided in a region surrounded by an outer peripheral wall.
  • Patent Document 1 discloses an example of an apparatus for cutting a formed body having a honeycomb structure.
  • the cutting device disclosed in Patent Document 1 includes a frame in which a wire for cutting a molded body is fixed in a straight line, and a vibration generating unit that vibrates the wire as main elements.
  • the frame has a base part and a frame main body part coupled to the base part via a rotating shaft and a plurality of elastic bodies.
  • the base portion is slidably held in a groove provided in the guide, and is movable in a direction intersecting the molded body.
  • the frame main body swings in the longitudinal direction of the wire with the rotation axis as a fulcrum, and the swing range of the frame main body is defined by the elastic body being bent and deformed.
  • the vibration generating unit is an element that applies vibration to the frame main body at a position eccentric from the rotation axis, and has an eccentric disk driven by a motor.
  • the eccentric disk has a center of gravity at a position eccentric from the rotation axis of the motor, and the center of gravity revolves around the rotation axis, so that vibration is applied to the frame main body.
  • the frame main body When the vibration is applied from the vibration generating unit to the frame main body, the frame main body reciprocates within a predetermined range along the longitudinal direction of the wire with the rotation axis as the center. As a result, the wire fixed to the frame main body vibrates along the length direction.
  • the molded body can be cut to a desired length by pressing the vibrating wire against the molded body and moving it in the radial direction of the molded body together with the base portion.
  • the vibration generating unit is configured by swinging the frame main body unit coupled to the base unit around the rotation axis within a range in which the plurality of elastic bodies bend and deform.
  • produced into the vibration along the longitudinal direction of a wire is required.
  • a dedicated guide for slidably supporting the base unit to which the frame main body is coupled is required.
  • An object of the present invention is to obtain a molded body cutting apparatus capable of vibrating a cutting wire with a simple configuration and a manufacturing apparatus including the cutting apparatus.
  • a cutting apparatus comprises: A vibration source that emits vibration; A cutting wire in contact with a rod-shaped molded body used for a smoking part; A pair of a vibration receiving portion provided with the vibration generating source and a pair of members extending from the vibration receiving portion along a direction intersecting the vibration receiving portion, facing each other with a space therebetween and spanning the cutting wire And a vibration transmission portion including the arm portion.
  • the vibration transmitting unit transmits the vibration generated by the vibration generating unit from the vibration receiving unit to the arm unit, and bends the arm unit in the longitudinal direction of the cutting wire, thereby generating the vibration generating unit.
  • the vibration is converted into a reciprocating motion of the arm portion along the longitudinal direction of the cutting wire and transmitted to the cutting wire.
  • the vibration transmitting portion described in the first aspect is formed of a material capable of elastic deformation.
  • the cutting wire is made of a stretchable material.
  • the vibration transmitting portion has a joint portion between the vibration receiving portion and the arm portion. It is a monolithic structure that does not have.
  • the vibration receiving portion has a shape extending along the cutting wire, and the vibration The vibration generating source is provided at an intermediate portion along the longitudinal direction of the receiving portion.
  • the molded body has a honeycomb structure provided with a plurality of air passages partitioned from each other.
  • the said cutting wire is formed with the wire thinner than the shape of the cross section along the radial direction of the said ventilation path.
  • the cutting wire is vibrated at a frequency higher than the commercial frequency.
  • the support portion that supports the vibration receiving portion of the vibration transmitting portion, the vibration receiving portion, and the And a pair of fulcrum portions spaced from each other with a portion receiving vibration from the vibration generating source as a boundary among the vibration receiving portions.
  • the vibration receiving portion is configured to reciprocate in a direction where at least a portion straddling between the fulcrum portions intersects a straight line connecting the fulcrum portions when receiving vibration generated by the vibration generating source. Yes.
  • the fulcrum part described in the eighth aspect is formed of a rubber-like elastic body.
  • the vibration receiving portion and the support portion at least between the fulcrum portions of the vibration receiving portion.
  • a gap is provided to allow the vibration of the portion to straddle.
  • the molded body is formed of a tobacco mixture.
  • a manufacturing apparatus includes: An extruder for extruding a rod-shaped molded body used for smoking articles; A transport device for receiving and transporting the molded body extruded from the extruder; A cutting device that cuts the molded body that is transported by the transport device into a predetermined length at a cutting position that is defined on the downstream side along the transport direction of the transport device.
  • the cutting device is A vibration source that emits vibration; A cutting wire in contact with the molded body; A pair of a vibration receiving portion provided with the vibration generating source and a pair of members extending from the vibration receiving portion along a direction intersecting the vibration receiving portion, facing each other with a space therebetween and spanning the cutting wire And a vibration transmission portion including the arm portion.
  • the vibration transmitting unit transmits the vibration generated by the vibration generating unit from the vibration receiving unit to the arm unit, and bends the arm unit in the longitudinal direction of the cutting wire, thereby generating the vibration generating unit.
  • the vibration is converted into a reciprocating motion of the arm portion along the longitudinal direction of the cutting wire and transmitted to the cutting wire.
  • the conveying device described in the twelfth aspect conveys the molded body extruded from the extruder by the first conveyor and the first conveyor.
  • the measuring device for measuring the outer diameter of the molded body conveyed by the first conveyor, and the molding measured by the measuring device.
  • a control device that controls the transport speed of the second conveyor based on the outer diameter of the body.
  • the control device is configured to increase the tensile force applied to the molded body pushed out from the extruder when the outer diameter of the molded body measured by the measuring device exceeds a maximum allowable value.
  • the vibration transmission path from the vibration generating source to the cutting wire can be simplified, and the mechanical operation for vibrating the cutting wire can be simplified. Therefore, it is possible to reduce the cost of the cutting device by reducing the number of parts, and to reduce the size of the cutting device.
  • FIG. 1 is a perspective view showing a state in which the solid cigarette according to the first embodiment of the present invention is set in a smoking tool.
  • FIG. 2 is a perspective view of the solid cigarette according to the first embodiment of the present invention.
  • FIG. 3 is a front view of the solid cigarette according to the first embodiment of the present invention.
  • FIG. 4 is a flowchart showing a process of manufacturing the solid tobacco according to the first embodiment of the present invention.
  • FIG. 5 is a side view showing an outline of a production apparatus for producing the solid tobacco according to the first embodiment of the present invention.
  • FIG. 6 is a front view of a cutting device for cutting a rod-shaped tobacco molded body extruded from an extruder into a predetermined length in the first embodiment of the present invention.
  • FIG. 7 is a side view of the cutting device viewed from the direction of the arrow F7 in FIG.
  • FIG. 8 is a front view of a cutting device according to the second embodiment of the present invention.
  • FIG. 1 discloses a smoke tube-shaped smoking tool 2 in which a solid cigarette 1 is set.
  • the solid tobacco 1 is an example of a smoking article.
  • the smoking tool 2 is composed mainly of a fire plate 3 into which the solid cigarette 1 is inserted, a mouthpiece 4 which a smoker holds in his mouth, and a metal pipe portion 5 which connects between the fire plate 3 and the mouthpiece 4.
  • a portion of the tube portion 5 that is grasped by a smoker by hand is covered with a cover 6 made of silicon.
  • the solid cigarette 1 inserted in the pan 3 is burned when ignited.
  • a flavor component is released.
  • the released flavor component is supplied to the smoker from the tube part 5 through the mouthpiece 4.
  • the solid tobacco 1 according to the present embodiment is formed in a cylindrical shape having a central axis O1.
  • the solid tobacco 1 includes a honeycomb structure 10 including at least a tobacco raw material.
  • tobacco raw materials of the raw material types adopted in general tobacco products such as Orient, yellow and burre can be applied.
  • the honeycomb structure 10 has an outer peripheral wall 11, a first end face 12a, and a second end face 12b.
  • the outer peripheral wall 11 surrounds the central axis O1 of the solid tobacco 1 coaxially.
  • the first end surface 12 a is located at one end along the axial direction of the outer peripheral wall 11.
  • the second end surface 12 b is located at the other end along the axial direction of the outer peripheral wall 11.
  • the first end surface 12a and the second end surface 12b extend in a direction orthogonal to the central axis O1.
  • a plurality of slits 13 are formed in the outer peripheral wall 11.
  • the slits 13 extend in the axial direction of the central axis O ⁇ b> 1 and are arranged at intervals in the circumferential direction of the outer peripheral wall 11.
  • the slit 13 is opened to the first end surface 12a and the second end surface 12b.
  • the honeycomb structure 10 has lattice-shaped partition walls 14 and a center hole 15 in a region surrounded by the outer peripheral wall 11.
  • the partition walls 14 define a plurality of ventilation paths 16 inside the honeycomb structure 10.
  • the ventilation path 16 extends in the axial direction of the central axis O ⁇ b> 1 and is partitioned from each other by the partition wall 14. Further, the air passage 16 is opened in the first end surface 12 a and the second end surface 12 b of the honeycomb structure 10.
  • Various forms such as a square lattice, a hexagonal lattice, and a triangular lattice can be applied as the lattice form, and the form of the lattice is not particularly limited.
  • the center hole 15 is formed coaxially with the center axis O1 of the honeycomb structure 10.
  • the center hole 15 is surrounded by the air passage 16 and is opened to the first end surface 12 a and the second end surface 12 b of the honeycomb structure 10.
  • the total length L of the solid tobacco 1 along the central axis O1 is, for example, 7 mm, and the diameter D of the solid tobacco 1 is, for example, 6.1 mm.
  • the thickness t1 of the outer peripheral wall 11 of the honeycomb structure 10 is preferably in the range of 0.1 to 0.5 mm.
  • the thickness t2 of the partition wall 14 of the honeycomb structure 10 is preferably in the range of 0.1 to 0.5 mm.
  • FIG. 4 is a flowchart schematically showing a manufacturing process of the solid tobacco 1 according to the present embodiment.
  • a plurality of tobacco raw material species such as an Orient species, a yellow species and a burre species are pulverized into powder.
  • the pulverized tobacco raw material seeds are classified into a plurality of groups according to the size of the particles.
  • the pulverized tobacco raw material species, carboxymethyl cellulose (CMC) as a binder, calcium carbonate, polyol (PG and / or G) as a liquid, and water are weighed. Further, the tobacco raw material species, the binder, and the liquid that have been weighed are mixed with a mixer to produce a tobacco mixture having, for example, a moisture content of 30%.
  • CMC carboxymethyl cellulose
  • PG and / or G polyol
  • the tobacco mixture is supplied to the barrel of the extruder in the extrusion molding step S3.
  • the extruder kneads the supplied tobacco mixture with a screw in the barrel and then extrudes it from the die.
  • a rod-shaped tobacco molded body that is the basis of the honeycomb structure 10 is formed.
  • the tobacco molded body is formed into a honeycomb shape having the outer peripheral wall 11, the partition wall 14, the center hole 15, and the air passage 16 similar to the honeycomb structure 10.
  • the tobacco molded body extruded from the extruder is received by a transport device such as a conveyor, and is transported along the transport device in a direction away from the extruder.
  • the process proceeds to the primary cutting step S4.
  • the tobacco molded object conveyed along a conveying apparatus is cut
  • the cut tobacco molded body has a length of, for example, 263 mm.
  • the tobacco compacts cut by the cutting device are aligned, for example, 10 pieces on the drying tray in the alignment step S5.
  • the tray in which the tobacco compacts are arranged is accommodated in the drying chamber of the constant temperature dryer, and the tobacco compacts are dried.
  • the moisture contained in the tobacco molded product is reduced to less than 3%, and the amount of polyol retained is reduced to a predetermined value.
  • the treatment temperature for drying the tobacco molded body is 40 ° C. or more and less than 100 ° C., and particularly 75 ° C. Further, the treatment time for drying the tobacco molded article is preferably 18 hours when the drying temperature is 75 ° C.
  • the process proceeds to the secondary cutting step S7.
  • the tobacco molded body after drying is cut into, for example, a length of 7 mm using a rotating cutter blade.
  • a semi-finished product having a shape corresponding to the honeycomb structure 10 is cut out from the tobacco molded body.
  • the cut out semi-finished products are loaded on the conditioning tray in the alignment step S8.
  • a harmony tray loaded with semi-finished products is accommodated in the harmony room of the thermo-hygrostat, and a harmony process for controlling the taste (flavor) by the flavor components is executed.
  • the temperature of the environment in which the semi-finished products are harmonized should be 22 ° C. and the humidity should be 60%.
  • the moisture contained in the harmonized semi-finished product is, for example, about 10%.
  • the process proceeds to the fragrance addition step S10 for differentiating the brand of the solid tobacco 1.
  • a predetermined amount of liquid fragrance is injected from the injection nozzle toward the harmonized semi-finished product.
  • flavor is added to a semi-finished product, and the solid tobacco 1 which has the honeycomb structure 10 is commercialized.
  • the commercialized tobacco 1 is immediately filled into the package in the subsequent packaging step S11.
  • the manufacturing apparatus 20 is installed on, for example, a horizontal floor G of a building.
  • the manufacturing apparatus 20 includes an extruder 21, a conveying device 22, and a cutting device 23 as main elements.
  • the extruder 21 includes a barrel 25 having a hopper 24 and a die 26 connected to the discharge end of the barrel 25.
  • the hopper 24 is charged with the tobacco mixture M generated in the mixing step S2.
  • the tobacco mixture M is supplied from the hopper 24 to the barrel 25 and is kneaded by a screw that rotates in the barrel 25.
  • the extruder 21 forms the rod-shaped tobacco molded body 28 by extruding the kneaded tobacco mixture M from the die 26.
  • the tobacco molded body 28 extruded from the die 26 has a cross-sectional shape similar to that of the honeycomb structure 10. That is, the tobacco molded body 28 has the outer peripheral wall 11 in which the plurality of slits 13 are formed, and the plurality of ventilation paths 16 and the center holes 15 that are partitioned by the grid-like partition walls 14 in the region surrounded by the outer peripheral wall 11. have.
  • the tobacco molded body 28 immediately after being extruded from the die 26 of the extruder 21 has a high moisture content and is soft.
  • the transport device 22 includes a first conveyor 30 and a second conveyor 31.
  • the first conveyor 30 has an upstream roller conveyor 32 and a downstream roller conveyor 33.
  • the upstream roller conveyor 32 and the downstream roller conveyor 33 are horizontally installed on the floor G, and are arranged in the extrusion direction of the tobacco molded body 28 extruded from the extruder 21.
  • the upstream roller conveyor 32 is an element that conveys the tobacco molded body 28 immediately after being extruded from the extruder 21 in the extrusion direction, and has a plurality of rollers 34 that rotatably contact the tobacco molded body 28.
  • the rollers 34 extend in a direction orthogonal to the extrusion direction of the tobacco molded body 28 and are arranged at a predetermined interval in the extrusion direction of the tobacco molded body 28.
  • the downstream roller conveyor 33 is an element that continuously conveys the tobacco molded body 28 conveyed by the upstream roller conveyor 32 in the extrusion direction, and includes a plurality of rollers 35 that rotatably contact the tobacco molded body 28. .
  • the rollers 35 extend in a direction orthogonal to the extrusion direction of the tobacco molded body 28 and are arranged at a predetermined interval in the extrusion direction of the tobacco molded body 28.
  • the second conveyor 31 is a belt conveyor and is installed horizontally on the floor G.
  • the belt conveyor has a flat belt 39 that is stretched between a driving pulley 37 and a driven pulley 38 that are driven by a servo motor 36.
  • the drive pulley 37 rotates by receiving torque from the servo motor 36.
  • the flat belt 39 receives the tobacco molded body 28 conveyed by the downstream roller conveyor 33 and travels endlessly so as to continuously convey the received tobacco molded body 28 in the extrusion direction.
  • As the flat belt 39 it is desirable to use a silicon flat belt in order to prevent the cigarette molded body 28 from adhering.
  • a cutting position P ⁇ b> 1 is defined on the transport path of the second conveyor 31.
  • the cutting position P ⁇ b> 1 is preferably located on the downstream side of the intermediate portion along the traveling direction of the flat belt 39. The reason is to ensure the drying time of the tobacco molded body 28 so that the tobacco molded body 28 is not deformed when the tobacco molded body 28 is cut.
  • the cutting device 23 is an element used when an operator engaged in the manufacture of the solid tobacco 1 cuts the tobacco molded body 28 at the cutting position P1.
  • the configuration of the cutting device 23 will be described later in detail.
  • the manufacturing apparatus 20 includes a measuring device 41 that measures the outer diameter D of the tobacco molded body 28 that is conveyed by the first conveyor 30, and the outer diameter D of the tobacco molded body 28 that is measured by the measuring apparatus 41. And a control device 42 for controlling the transport speed of the second conveyor 31 based on the above.
  • the measuring device 41 is disposed at the boundary between the upstream roller conveyor 32 and the downstream roller conveyor 33.
  • the measuring device 41 has a light source 43 and a light receiving sensor 44.
  • the light source 43 and the light receiving sensor 44 face each other across a path through which the tobacco molded body 28 is conveyed.
  • the light source 43 emits laser light toward the light receiving sensor 44.
  • the tobacco molded body 28 blocks a part of the laser light from the light source 43 toward the light receiving sensor 44.
  • the light receiving sensor 44 receives only the remaining part of the laser light. Therefore, the light receiving sensor 44 measures the actual outer diameter D of the tobacco molded body 28 based on the shaded portion of the laser light blocked by the tobacco molded body 28.
  • the outer diameter D of the actual cigarette molded body 28 measured by the measuring device 41 is fed back to the control device 42.
  • the control device 42 reads the outer diameter D of the actual tobacco molded body 28 and determines whether or not the read outer diameter D exceeds the maximum allowable value.
  • the control device 44 When the outer diameter D of the tobacco molded body 28 exceeds the maximum allowable value, the control device 44 outputs a control signal for increasing the traveling speed of the flat belt 39 of the second conveyor 31 to the servo motor 36. For this reason, the 2nd conveyor 31 conveys the tobacco molded object 28 extruded from the extruder 21, pulling. Therefore, the tensile force applied to the tobacco molded body 28 is increased, and the tobacco molded body 28 is plastically deformed so that the outer diameter D is decreased.
  • the control device 44 determines whether or not the outer diameter D is below the minimum allowable value. When the outer diameter D of the tobacco molded body 28 is below the minimum allowable value, the control device 44 outputs a control signal for decreasing the traveling speed of the flat belt 39 of the second conveyor 31 to the servo motor 36.
  • the outer diameter D of the tobacco molded body 28 is set to a predetermined maximum allowable value. Maintained between the value and the minimum allowable value.
  • the tobacco molded body 28 placed on the flat belt 39 is cut into an intermediate product 46 having a predetermined length by using the cutting device 23 when reaching the cutting position P1.
  • the cutting device 23 includes a support part 50, a cutting wire 51, a vibration transmission part 52, and a vibrator 53 as main elements.
  • the support part 50 is, for example, an elongated rod-like element.
  • a grip portion 54 is provided at one end portion of the support portion 50 along the longitudinal direction. The grip part 54 protrudes from the one end part of the support part 50 in the longitudinal direction of the support part 50.
  • the cutting wire 51 is an element for cutting the tobacco molded body 28 along the radial direction, and extends in a direction orthogonal to the longitudinal direction of the tobacco molded body 28.
  • a piano wire or Dyneema registered trademark which is an example of ultra-high molecular polyethylene can be used, and it is particularly desirable to use a material having stretchability.
  • the cutting wire 51 is a wire sufficiently thinner than the cross-sectional shape along the radial direction of the ventilation path 16 of the tobacco molded body 28. That the cutting wire 51 is sufficiently thin means that the diameter of the cutting wire 51 does not block the air passage 16 when the tobacco molded body 28 is cut in the radial direction with the cutting wire 51. ing. Therefore, the diameter of the cutting wire 51 may be set to, for example, 0.2 mm or less and 0.05 mm or more.
  • the vibration transmitting portion 52 is formed of a material that can be elastically deformed.
  • a material capable of elastic deformation it is desirable to use a synthetic resin material such as polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the vibration transmission part 52 includes a vibration receiving part 55 and a pair of arm parts 56a and 56b.
  • the vibration receiving portion 55 has a straight shape extending in the longitudinal direction of the cutting wire 51.
  • the vibration receiving portion 55 includes a first end portion 58a, a second end portion 58b, and an intermediate portion 59.
  • the first end 58 a and the second end 58 b are separated from each other in the longitudinal direction of the cutting wire 51.
  • the intermediate part 59 is located between the first end part 58a and the second end part 58b.
  • one arm portion 56 a of the pair of arm portions 56 a and 56 b extends from the first end portion 58 a of the vibration receiving portion 55 in a direction intersecting with the vibration receiving portion 55.
  • the other arm portion 56 b extends from the second end portion 58 b of the vibration receiving portion 55 in a direction intersecting with the vibration receiving portion 55.
  • the pair of arm portions 56 a and 56 b are extended in the same direction from the vibration receiving portion 55 so as to face each other with the intermediate portion 59 of the vibration receiving portion 55 interposed therebetween.
  • the tips of the pair of arm portions 56a and 56b are free ends, respectively.
  • the cutting wire 51 is stretched linearly across the ends of the arm portions 56a, 56b. Therefore, a predetermined tension is applied to the cutting wire 51.
  • the vibration transmitting portion 52 is provided between the first end portion 58a of the vibration receiving portion 55 and the one arm portion 56a, and between the second end portion 58b of the vibration receiving portion 55 and the other end portion. It is an integral structure that does not have a joint between the arm portion 56b.
  • the vibration transmission part 52 is configured by a single component in which all the regions from the vibration receiving part 55 to the pair of arm parts 56a, 56b are integrally continuous.
  • the vibration receiving portion 55 is elastically supported on the lower surface of the support portion 50 through a pair of vibration isolating rubbers 60a and 60b.
  • the anti-vibration rubbers 60 a and 60 b are examples of fulcrum portions that support the vibration receiving portion 55, and can be rephrased as viscoelastic bodies.
  • the anti-vibration rubbers 60 a and 60 b are interposed between the first end portion 58 a and the second end portion 58 b of the vibration receiving portion 55 and the support portion 50, and the center of the intermediate portion 59 of the vibration receiving portion 55. They are separated from each other by the part. Further, a gap G corresponding to the thickness of the anti-vibration rubbers 60 a and 60 b is formed between the lower surface of the support portion 50 and the vibration receiving portion 55.
  • the vibrator 53 is fixed to the lower surface including the center portion of the intermediate portion 59 of the vibration receiving portion 55 so as to be positioned between the arm portions 56a and 56b and the vibration isolating rubbers 60a and 60b.
  • the vibrator 53 is an example of a vibration generating source, and in the present embodiment, a pneumatic vibrator that is operated by compressed air is employed. As shown by an arrow A in FIG. 6, the vibrator 53 vibrates at a frequency higher than, for example, a commercial frequency in the vertical direction along the longitudinal direction of the arm portions 56 a and 56 b.
  • the frequency generated by the vibrator 53 is preferably in a high frequency range of 450 Hz to 660 Hz.
  • the vibration in the high frequency range generated by the vibrator 53 is transmitted from the intermediate portion 59 of the vibration receiving portion 55 to the first end portion 58a and the second end portion 58b.
  • the first end portion 58a and the second end portion 58b are supported by the support portion 50 via vibration-proof rubbers 60a and 60b, respectively.
  • the intermediate portion 59 of the vibration receiving portion 55 receives vibrations in a high frequency range from the vibrator 53, as shown in FIG. 6, a portion of the vibration receiving portion 55 straddling at least between the vibration isolating rubbers 60a and 60b.
  • the vibration is reciprocated in a direction substantially perpendicular to the straight line X1 connecting the anti-vibration rubbers 60a and 60b.
  • the vibration receiving portion 55 has a joint portion between the vibration isolating rubber 60a and the first end portion 58a and a joint portion between the vibration isolating rubber 60b and the second end portion 58b.
  • the fulcrum is displaced so as to bend in a direction approaching or moving away from the support portion 50.
  • the gap G between the support portion 50 and the vibration receiving portion 55 allows a displacement accompanying the vibration of the vibration receiving portion 55.
  • the gap G is set to such a size that the vibration receiving portion 55 does not interfere with the support portion 50 when the vibration receiving portion 55 vibrates in a direction toward or away from the support portion 50. .
  • the respective tips follow the displacement of the vibration receiving portion 55 and approach each other. It tries to be displaced so as to bend away. Since the tips of the arm portions 56 a and 56 b are connected with the cutting wire 51, the arm portions 56 a and 56 b are displaced so as to bend in the longitudinal direction of the cutting wire 51 due to vibration in a high frequency range transmitted from the vibrator 53.
  • the vibration in the high frequency range generated by the vibrator 53 is transmitted to the cutting wire 51 after being converted into the reciprocating motion of the arms 56 a and 56 b along the longitudinal direction of the cutting wire 51. Therefore, the cutting wire 51 receives vibrations in a high frequency range along the longitudinal direction.
  • the tobacco molded body 28 extruded from the extruder 21 is manually operated by an operator using the cutting device 23.
  • the intermediate product 46 having a predetermined length is cut.
  • the vibrator 53 emits vibration in a high frequency range of 450 Hz to 660 Hz, for example.
  • the high-frequency vibration generated by the vibrator 53 is converted into vibration along the longitudinal direction of the cutting wire 51 by the vibration transmitting unit 52 and applied to the cutting wire 51.
  • the cutting wire 51 to which vibration is applied is pressed against the outer peripheral wall 11 of the tobacco molded body 28, and the cutting device 52 is moved in the radial direction of the tobacco molded body 28. Thereby, the tobacco molded body 28 on the flat belt 39 is cut to a predetermined length by the vibrating cutting wire 51.
  • the vibration transmitting unit 52 that transmits the vibration in the high frequency range generated by the vibrator 53 to the cutting wire 51 includes the vibration receiving unit 55 that receives the vibration of the vibrator 53, and the vibration of the vibration receiving unit 55. And a pair of arm portions 56a and 56b which are displaced so as to reciprocate in the longitudinal direction of the cutting wire 51.
  • the vibration transmission path from the vibrator 53 to the cutting wire 51 can be made much simpler than the prior art, and the mechanical operation for vibrating the cutting wire 51 can be simplified. Therefore, it is possible to reduce the number of parts of the cutting device 23 and contribute to reducing the cost of the cutting device 23. At the same time, since the configuration of the vibration transmitting portion 52 is simplified, the cutting device 23 can be reduced in size, and workability when the tobacco molded body 28 is manually cut is improved.
  • the cutting wire 51 stretched in a straight line with a predetermined tension is imparted with a vibration in a high frequency range, the amplitude of the cutting wire 51 along the longitudinal direction of the cutting wire 51. And the resistance when the cutting wire 51 is in contact with the tobacco molded body 28 is reduced.
  • the air passage 16 is cut by the cutting wire 51 when the tobacco molded body 28 is cut. While not obstructing, the contact area between the cutting wire 51 and the tobacco molded body 28 is reduced.
  • the tobacco molded body 28 immediately after being extruded from the extruder 21 is soft, the tobacco molded body 28 hardly adheres to the cutting wire 51. Therefore, it is possible to quickly cut the tobacco molded body 28 without causing the cutting wire 51 to greatly deform the cut surface of the tobacco molded body 28 or blocking the air passage 16 of the tobacco molded body 28.
  • the tobacco molded body 28 extruded from the extruder 2 is conveyed to the cutting position P1 after the outer diameter D is adjusted to an appropriate value.
  • the tobacco molded body 28 is merely placed on the flat belt 39 and is not actively supported. In other words, the tobacco molded body 28 is cut by the cutting device 23 at a place where there is no support.
  • the amplitude of the cutting wire 51 is kept small by applying vibration in a high frequency range to the cutting wire 51 that is linearly stretched with a predetermined tension. For this reason, when the cutting wire 51 is pressed against the tobacco molded body 28 placed on the flat belt 39 to perform a cutting operation, the tobacco molded body 28 on the flat belt 39 can be prevented from rolling in the circumferential direction.
  • the vibration applied to the cutting wire 51 is efficiently transmitted to the tobacco molded body 28, and the tobacco molded body 28 can be easily cut.
  • the cutting wire 51 does not come off the tobacco molded body 28 and inadvertently interferes with the flat belt 39. Therefore, the tobacco molded body 28 can be cut without damaging the flat belt 39.
  • the anti-vibration rubber 60a is provided between the support portion 50 having the grip portion 54 gripped by the operator's hand and the vibration transmitting portion 52 that receives the vibration in the high frequency range generated by the vibrator 53. , 60b are interposed. For this reason, when cutting the tobacco molded body 28 with the cutting device 23, vibrations in a high frequency range from the vibration transmitting portion 52 toward the grip portion 54 can be absorbed by the vibration isolating rubbers 60a and 60b, and the cutting device 23 is operated. The vibration is difficult to be transmitted to the worker who performs
  • the inventor conducted a test for evaluating the deformation state of the cut surface of the tobacco molded body 28.
  • a tobacco molded body having a honeycomb structure having a diameter D of 7.15 mm, a thickness t1 of the outer peripheral wall 11 of 0.5 mm, and a thickness t2 of the partition wall 14 of 0.5 mm is prepared.
  • Table 1 shows the diameter of the cutting wire used in Example 1 and Comparative Example 1, the frequency applied to the cutting wire, the amplitude of the cutting wire, and the deformation amount of the cut surface of the tobacco molded body.
  • the state of the cut surface was evaluated by examining how much the cut surface was deformed by the external pressure applied to the tobacco molded body when the cutting wire was pressed against the tobacco molded body.
  • the evaluation when the cut surface was deformed by 1.0 mm or more was evaluated as bad (x), and the case where the deformation amount of the cut surface was less than 1.0 mm was determined as good ( ⁇ ).
  • Example 1 in which the frequency applied to the cutting wire having a diameter of 0.05 mm was set to 450 Hz, the deformation amount of the cut surface of the tobacco molded body was suppressed to less than 1.0 mm. Yes. On the other hand, even with a cutting wire having a diameter of 0.05 mm, in Comparative Example 1 in which the frequency is 0, the deformation amount of the cut surface exceeds 1.0 mm.
  • Example 1 in which the tobacco molded body was cut using a cutting wire to which vibration was applied, the crushing of the cut surface was suppressed as compared with Comparative Example 1.
  • the frequency of vibration applied to the cutting wire may be, for example, a low frequency range including a commercial frequency (50 to 60 Hz), but the cutting device is sharp enough that the frequency of vibration applied to the cutting wire is higher than the commercial frequency. Will improve. Therefore, as the frequency of vibration applied to the cutting wire is increased, a preferable result can be obtained in cutting a soft tobacco molded body.
  • FIG. 8 discloses a second embodiment of the present invention.
  • the second embodiment is different from the first embodiment in the configuration in which the cutting wire 51 is bridged between the arm portions 56a and 56b.
  • Other configurations of the cutting device 23 are the same as those in the first embodiment. Therefore, in the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • stays 71a and 71b are connected to the tips of a pair of arm portions 56a and 56b constituting the vibration transmitting portion 52, respectively.
  • the stay 71a corresponding to one arm portion 56a protrudes obliquely downward toward the tip of the other arm portion 56b.
  • the stay 71b corresponding to the other arm portion 56b protrudes obliquely downward toward the tip of the one arm portion 56a.
  • Guide pulleys 72a and 72b are rotatably supported at the tips of the stays 71a and 71b, respectively.
  • the guide pulleys 72a and 72b are adjacent to the tips of the arm portions 56a and 56b between the arm portions 56a and 56b.
  • the cutting wire 51 is bridged between the tips of the arm portions 56a and 56b via the guide pulleys 72a and 72b.
  • the cutting wire 51 includes a first portion 51a extending from the tip of one arm portion 56a to the one guide pulley 72a, and a second portion extending from the tip of the other arm portion 56b to the other guide pulley 72b.
  • Part 51b and a third part 51c straddling between the guide pulleys 72a and 72b.
  • the third portion 51c is stretched in a straight line, and a predetermined tension is applied to the third portion 51c.
  • the vibration in the high frequency range generated by the vibrator 53 is transmitted from the vibration receiving portion 55 to the cutting wire 51 through the arm portions 56a and 56b and the guide pulleys 72a and 72b as in the first embodiment. Therefore, the cigarette molded body 28 is moved to a desired shape by moving the cutting device 52 in the radial direction of the tobacco molded body 28 in a state where the third portion 51c of the cutting wire 51 is pressed against the outer peripheral wall 11 of the tobacco molded body 28. Can be cut to length.
  • the molded body used for the smoking article is not limited to the tobacco molded body formed of the tobacco mixture, and may be, for example, an element that is a base of a carbonaceous heat source for heating the aerosol generating part.
  • the anti-vibration rubber is used as an example of the fulcrum part interposed between the vibration receiving part and the support part, but the fulcrum part is not specified as the anti-vibration rubber.
  • a protrusion that protrudes toward the support portion may be provided on each of the first end portion and the second end portion of the vibration receiving portion, and the protruding end of the protrusion may be coupled to the support portion.
  • the fulcrum part does not need to have elasticity, and may be constituted by a metal block, for example.
  • the anti-vibration rubber or protrusion is not an essential element of the cutting device, so that when the vibration from the vibrator is transmitted to the vibration receiving part, the arm part reciprocates following the vibration of the vibration receiving part. If it can be displaced, the vibration receiving portion may be directly attached to the lower surface of the support portion.
  • the tobacco molded product cut by the cutting device is not limited to a cylindrical shape, and may be a polygonal column such as a quadrangular column or a hexagonal column, and the shape of the tobacco molded product is not particularly limited.
  • the vibrator of the cutting device is not specified as a pneumatic type using compressed air as a power source, and an electric vibrator may be adopted.
  • the cutting device is not limited to a configuration in which an operator manually operates.
  • a cylinder mechanism having a table that can be moved up and down at a cutting position may be provided, and the cutting operation of the tobacco molded body may be automated by fixing a support portion of the cutting device to the table.
  • a blower may be installed on the transport path of the tobacco molded body from the extruder to the cutting device, and the air blown from the blower may be blown onto the soft tobacco molded body immediately after being extruded from the extruder.
  • SYMBOLS 1 Smoking article (solid cigarette), 21 ... Extruder, 22 ... Conveying device, 23 ... Cutting device, 28 ... Molded body (cigarette molded body), 51 ... Cutting wire, 52 ... Vibration transmission part, 53 ... Source of vibration (Vibrator), 55 ... vibration receiving part, 56a, 56b ... arm part.

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  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

La présente invention concerne un dispositif de découpe, qui découpe un article moulé en forme de tige (28), et est pourvu d'une source de génération de vibration (53), d'un fil de découpe (51), et d'une partie de transmission de vibration (52). Le fil de découpe (51) entre en contact avec l'article moulé (28). La partie de transmission de vibration (52) comprend une partie de réception de vibration (55) et une paire de parties de bras (56a, 56b) qui s'étendent depuis la partie de réception de vibration (55) dans une direction croisant la partie de réception de vibration (55), sont en regard l'une de l'autre avec un espace entre elles, et sont reliées par le fil de découpe (51). La partie de transmission de vibration (52), par transmission d'une vibration générée par une partie de génération de vibration (53) depuis la partie de réception de vibration (53) jusqu'aux parties de bras (56a, 56b), et par pliage des parties de bras (56a, 56b) dans la direction de la longueur du fil de découpe (51), convertit la vibration générée par la partie de génération de vibration (53) en un mouvement de va-et-vient des parties de bras (56a, 56b) dans la direction de la longueur du fil de découpe (51), et transmet ledit mouvement au fil de découpe (51).
PCT/JP2015/058305 2015-03-19 2015-03-19 Dispositif de découpe et dispositif de production d'article moulé Ceased WO2016147395A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/058305 WO2016147395A1 (fr) 2015-03-19 2015-03-19 Dispositif de découpe et dispositif de production d'article moulé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/058305 WO2016147395A1 (fr) 2015-03-19 2015-03-19 Dispositif de découpe et dispositif de production d'article moulé

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WO2016147395A1 true WO2016147395A1 (fr) 2016-09-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367105A (ja) * 1986-09-08 1988-03-25 バブコツク日立株式会社 セラミツクス成形体の切断装置
JPH10180895A (ja) * 1996-12-27 1998-07-07 Japan Tobacco Inc 喫煙物品の燃料ロッド製造機
JP2001129797A (ja) * 1999-11-02 2001-05-15 Seishiro Yoshihara ワイアカット機器
WO2012133365A1 (fr) * 2011-03-30 2012-10-04 日本たばこ産業株式会社 Tabac à usage oral et procédé de fabrication de ce dernier
JP2013524850A (ja) * 2010-05-06 2013-06-20 アール・ジエイ・レイノルズ・タバコ・カンパニー セグメント化喫煙物品
WO2015008347A1 (fr) * 2013-07-17 2015-01-22 日本たばこ産業株式会社 Système de moulage par extrusion d'élément de tige et son procédé de moulage par extrusion

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367105A (ja) * 1986-09-08 1988-03-25 バブコツク日立株式会社 セラミツクス成形体の切断装置
JPH10180895A (ja) * 1996-12-27 1998-07-07 Japan Tobacco Inc 喫煙物品の燃料ロッド製造機
JP2001129797A (ja) * 1999-11-02 2001-05-15 Seishiro Yoshihara ワイアカット機器
JP2013524850A (ja) * 2010-05-06 2013-06-20 アール・ジエイ・レイノルズ・タバコ・カンパニー セグメント化喫煙物品
WO2012133365A1 (fr) * 2011-03-30 2012-10-04 日本たばこ産業株式会社 Tabac à usage oral et procédé de fabrication de ce dernier
WO2015008347A1 (fr) * 2013-07-17 2015-01-22 日本たばこ産業株式会社 Système de moulage par extrusion d'élément de tige et son procédé de moulage par extrusion

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