WO2004062858A1 - シート材の裁断方法 - Google Patents

シート材の裁断方法 Download PDF

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Publication number
WO2004062858A1
WO2004062858A1 PCT/JP2003/017092 JP0317092W WO2004062858A1 WO 2004062858 A1 WO2004062858 A1 WO 2004062858A1 JP 0317092 W JP0317092 W JP 0317092W WO 2004062858 A1 WO2004062858 A1 WO 2004062858A1
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WO
WIPO (PCT)
Prior art keywords
cutting
sheet material
cutting line
sheet materials
sheet
Prior art date
Application number
PCT/JP2003/017092
Other languages
English (en)
French (fr)
Inventor
Toshiaki Morita
Original Assignee
Shima Seiki Manufacturing, 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 Shima Seiki Manufacturing, Ltd. filed Critical Shima Seiki Manufacturing, Ltd.
Priority to AU2003292735A priority Critical patent/AU2003292735A1/en
Priority to DE60334642T priority patent/DE60334642D1/de
Priority to AT03768393T priority patent/ATE485139T1/de
Priority to US10/540,922 priority patent/US7950314B2/en
Priority to EP03768393A priority patent/EP1595660B1/en
Priority to JP2004566310A priority patent/JP4625331B2/ja
Publication of WO2004062858A1 publication Critical patent/WO2004062858A1/ja

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/137Beaded-edge joints or bead seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27Means for performing other operations combined with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/3806Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B26F1/3813Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
    • B26F1/382Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/743Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
    • B29C65/7441Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc for making welds and cuts of other than simple rectilinear form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841Holding or clamping means for handling purposes
    • B29C65/7847Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/84Specific machine types or machines suitable for specific applications
    • B29C66/863Robotised, e.g. mounted on a robot arm
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00Cutting
    • Y10S83/929Particular nature of work or product
    • Y10S83/936Cloth or leather
    • Y10S83/939Cloth or leather with work support
    • Y10S83/94Cutter moves along bar, bar moves perpendicularly
    • Y10S83/941Work support comprising penetratable bed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1052Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0405With preparatory or simultaneous ancillary treatment of work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0405With preparatory or simultaneous ancillary treatment of work
    • Y10T83/041By heating or cooling
    • Y10T83/0414At localized area [e.g., line of separation]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0476Including stacking of plural workpieces
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0481Puncturing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/0524Plural cutting steps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/283With means to control or modify temperature of apparatus or work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/283With means to control or modify temperature of apparatus or work
    • Y10T83/293Of tool
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/748With work immobilizer

Definitions

  • the present invention relates to cutting of sheet material.
  • Patent Document 1 Japanese Patent Application Laid-Open No. Hei 9 1 0 3 9 9 1 (USP 5 7 9 1 2 1 6)
  • Patent Document 2 Japanese Patent Application Laid-Open No. 4 8-74 6 8 3 (US P 3 7 8 0 6 0 7)
  • Patent Document 1 discloses that sheet material is efficiently cut while selectively using a round blade and a narrow blade having a shorter blade width.
  • Patent Document 2 when cutting a sheet material having a low melting point such as Biel chloride, frictional heat is dissipated through the cutting blade so that the cutting blade is not removed from the sheet material, and the sheet material is melted. It is disclosed to prevent. That is, when the sheet material melts, the sheet material adheres to each other and the pattern such as a print falls, the skin of the sheet material becomes rough, and the cutting line becomes non-clear, etc. Prevent melting.
  • An object of the present invention is to enable accurate cutting even when slippery sheet materials are stacked. Means to solve the problem
  • the sheet material cutting method of the present invention when a plurality of sheet materials are stacked and fixed one on top of the other and cut into parts along a predetermined cutting line, the sewing margin of the parts or the part thereof is cut By locally heating the outside, the sheet materials are welded to each other up and down to fix the upper and lower sheet materials.
  • the local heating is performed using a knife or perforation of a cutting head.
  • the sheet material can be welded to each other by the friction between the knife and the sheet material by piercing the sheet material on which the knives are stacked and moving up and down at the same position.
  • welding can be performed by piercing the sheet material and moving it up and down like a cutting knife.
  • the local heating is performed at several power points per 1 part against the cutting line or its outer side.
  • the local heating is performed at several points per part with respect to the seam allowance inside the cutting line.
  • parts per part are, for example, about 2 to 10 parts, preferably about 3 to 6 parts per part.
  • a plurality of sheet materials are vertically stacked and fixed, and when cutting into parts along a predetermined cutting line, cutting is performed so as to leave a plurality of places on the cutting line. It is characterized in that the uncut portion is cut later.
  • the sheet material may be an air impermeable sheet material, for example, a sheet material such as chlorinated burle or synthetic leather (synthetic leather), or any other material subjected to an air impermeable process, etc. Is particularly effective.
  • the air impermeability is not limited to the one which does not pass air at all, and is used in the meaning including one having low air permeability. Action and effect of the invention
  • the sheet materials are welded to each other up and down or left uncut on the cutting line Can be cut accurately even with air-impermeable and slippery vinyl chloride and synthetic leather sheet materials.
  • the sheet material can be easily fixed, and the suction force can be reduced when the sheet material is fixed by vacuum suction. Since the welding point is sewed on the cutting line or slightly outside or on the inside of the cutting line, welding can be performed without wrinkling the parts.
  • welding can be performed easily with a normal cutting head by using a knife or perforation installed in the cutting head of the cutting device.
  • the welding is carried out at several points per part, for example 2 to 10, preferably 3 to 6 places.
  • the welding point shall be the seam of the cutting line at or slightly outside of the cutting line, or at the inside of the cutting line.
  • a slightly outside area is, for example, an area of 5 mm or less at right angles to the cutting line.
  • FIG. 1 is a plan view of the main part of the cutting device of the embodiment.
  • FIG. 2 is a flowchart showing an algorithm of the cutting method of the embodiment.
  • FIG. 3 is a view schematically showing an embodiment in which sheet materials are welded to each other along a cutting line or a slightly outer side thereof.
  • FIG. 4 is a view schematically showing an embodiment in which the sheet material is welded to each other at the seam margin portion inside the cutting line.
  • Fig. 5 shows a cut left on the cutting line, and the cut left at the end. It is a figure which shows an example typically.
  • FIG. 6 is a view schematically showing a welding position between sheet materials in each of the embodiments of FIG. 3 and FIG. Example
  • the cutting device 2 used in FIG. 1 is shown as follows: 4 is a table, 6 is a bristle fixed on the table 4 and is a bristle brush. Any member other than the blister 6 may be used as long as it has air permeability or an air suction hole and can suction and fix the sheet material placed thereon by the suction pump 16.
  • a cutting head 8 travels on the arm 10 in the Y direction in FIG. 1 and the arm 10 travels in the X direction in FIG. 1 with respect to the rail 12. It can move.
  • the head 8 is equipped with a knife or round blade for cutting sheet material etc.
  • the head 8 moves the knife up and down to cut a stack of sheet material which is stacked on the bristles 6 and covered with a sheet such as a chlorinated burle.
  • a sheet such as a chlorinated burle.
  • the sheet materials be welded together with a knife or perforation as in the embodiment so that the second upper sheet material does not shift relative to the lower sheet material.
  • a control unit 14 receives a cutting pattern, and controls the traveling of the head 8 in the X and Y directions and controls cutting, perforation, welding, and uncut.
  • the cutting pattern may be generated by the cutting device 2 or by an external design device or the like.
  • the numeral 16 is a suction pump, and the sheet material on the table 4 is vacuum-suctioned and fixed via the pristle 6.
  • FIG. 2 shows the cutting algorithm in the embodiment.
  • the method of fixing the sheet material is “welding” in which the sheet materials are welded to each other at the top and bottom, and a few-power cut left on the cutting line
  • the selection of "welding”, “left uncut” and “others” can be made automatically by the control unit based on data such as the material of the sheet material and the cutting pattern even if manually input to the control unit. It may be selected.
  • sheet materials stacked one on top of the other are welded to each other in the vicinity of the cutting line, that is, on the seam margin or cutting line inside the cutting line, or slightly outside the cutting line.
  • a knife or perforation provided on the cutting head.
  • a knife is pierced to a position where most of the stacked sheet materials are penetrated, and when moving up and down at the same position at high speed, the sheet materials are welded to each other vertically due to frictional heat.
  • the perforations are rotated to dig through many of the stacked sheet material and rotated in that position for frictional heat welding.
  • “many” means, for example, about 12 to 3/4 of the thickness of stacked sheets.
  • the sheet materials be welded to each other by moving them up and down at high speed in a stuck state with the stacked sheet materials (step 3). Then perform cutting after welding (step 4). However, it is not necessary to weld all parts of the circumference of one part first, weld one place, cut one line, weld one place to the next line, for example, and cut this line May be If leaving a cut, change the cutting pattern and add the cut at several points on the cutting line (step 5). Then perform cutting (step 6) and finally cut the uncut part (step 7). Also, welding and uncut can be used in combination, in which case it is assumed that both welding and uncut are selected in the algorithm.
  • Fig. 3 schematically shows an example in which welding points 26 are provided slightly outside the cutting line at several points.
  • 20 is a bundle in which a plurality of sheet materials are stacked to have a thickness of about 2 cm to 5 cm, and an air impermeable sheet such as vinyl chloride or synthetic leather is used as the sheet material.
  • an air impermeable sheet such as vinyl chloride or synthetic leather is used as the sheet material.
  • the airtight vinyl chloride sheet 34 shown in FIG. Make vacuum suction more efficient.
  • Reference numeral 2 denotes a knife, which is provided on a cutting head, and other members such as perforations may be used.
  • a rod-like member or the like having a built-in heater may be provided in the cutting head, and the member may be welded up and down.
  • the knife 22 moves the knife 22 up and down, and place welding points 26 at several places outside the cutting line, for example, four places. Then, when the knife 22 is pierced into the stacked sheet material and moved up and down at that position, the upper and lower sheet materials are welded to each other to fix the sheet material. Therefore, even if the upper and lower sheet materials can not be fixed only by suction with the suction pump, the sheet can not be fixed accurately because it is an air-impermeable sheet material.
  • the welding point 26 is the outside of the part, and the distance from the cutting line is only 5 mm, so there is no need to crease other parts.
  • the welding is performed, for example, before cutting, but welding and cutting may be alternately performed for each section (one line of cutting), such as welding, cutting, welding, cutting or the like.
  • 28 is the pattern inside the part, which is the area inside the sewing allowance, which appears on the surface of the textile after sewing.
  • FIG. 4 shows an example in which a welding point 26 is provided in the seam margin 30 inside the cutting line 24.
  • welding point 2 6 is at sewing allowance 30 and is hidden by sewing so that no wrinkles are left on the product.
  • FIG. 5 shows an example in which a cutting line 24 is provided with a cutting edge 32 at several places. It is preferable that a place to be left uncut is a place where the knife 22 is pulled up from the sheet material and turned around, such as a corner of a part. Further, the length along the cutting line 24 of the uncut 32 is preferably shorter than the width of the knife 22, ie, the length of the knife 22 in the cutting direction.
  • the embodiment of FIG. 5 can be used in combination with the embodiments of FIGS. 3 and 4. For example, when other parts come immediately outside the cutting line 24, it is preferable to use the uncut 32 as shown in FIG. Also, using the embodiment of FIG. 3 and the embodiment of FIG.
  • the welding point 26 is provided using the sewing allowance 30. It is good. Even if a knife 22 is used for cutting, if the number of sheets to be cut is small, a round blade (not shown) may be used, and the head is a knife, a punch, or the like during operation. Since tools such as circular blades can be selected, for example, it is possible to weld them with a knife or perforation and cut them with a circular blade.
  • the sheet material in the bundle 20 is sucked through the air-permeable prism 6 and fixed on the table. Then, cover the bundle 20 with a gas-tight chloride sheet 34 to facilitate vacuum suction. If the sheet material of bundle 20 is air impervious, it is difficult to fix the sheet material only by vacuum suction, so use welding or left uncut. Then, welding and formation of uncut portions as well as cutting are collectively performed on the chloride sheet 34 and bundle 20. Therefore, at the time of welding, a knife 22 or a perforation is penetrated from the upper side to the vinyl chloride sheet 34, and the sheet materials of the lower bundle 20 are welded to each other.
  • the sheet material is fixed to each other at the time of cutting by welding or uncut area by using a position which does not appear after sewing such as a cutting line or its outer side or a sewing margin, so that slip and sheet materials can be stacked accurately. It can be cut. Moreover, welding and uncut parts can be done with the parts provided in the head, and there is no need to add new parts.

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Abstract

シート材を重ねて裁断する際に、裁断線上やそのやや外側、あるいは裁断線の内側の縫い代部分などに、ナイフや目打ちなどを突き刺して上下させて熱を加え、シート材を上下に溶着させる。空気透過性の低いシート材を重ねて裁断しても、シート材がめくれたり滑ったりすることを防止して、正確に裁断できる。

Description

明細書
シート材の裁断方法 技術分野
この発明はシート材の裁断に関する。 背景技術
特許文献 1 特開平 9一 1 0 3 9 9 1号公報 (US P 5 7 9 1 2 1 6) 特許文献 2 特開昭 4 8— 74 6 8 3号公報 (US P 3 7 8 0 6 0 7) シート材の裁断では、 シート材を真空吸引などにより固定しながら、 ナイフや 丸刃などにより裁断する。 そして特許文献 1は、 丸刃とそれよりも刃幅が短いナ イブとを使い分けながら、 効率的にシート材の裁断を行うことを開示している。 また特許文献 2は、 塩化ビエルのような低融点のシート材を裁断する場合に、 切 断刃をシート材から抜かないようにして、 切断刃を介して摩擦熱を逃がし、 シー ト材の溶融を防止することを開示している。 即ちシート材が溶融すると、 シート 材が相互に付着しプリント等の模様が落ちる、 シート材の肌が荒れる、 裁断線が クリァでなくなるなどのトラプルが生じるので、 切断刃を熱の逃げ道に用いて溶 融を防止する。
しかしながら塩化ビニルや合成皮革などの通気性の低いシート材を重ねて裁断 する場合、 上の方に重ねられたシート材を真空吸引で充分に固定できず、 シート 材がめくれたり滑ったりして、 正確に裁断できないことがある。 発明の概要
発明が解決しようとする課題
この発明の課題は、 滑りやすいシート材を積み重ねても、 正確に裁断できるよ うにすることにある。 課題を解決するための手段
この発明のシート材の裁断方法は、 複数のシート材を上下に重ねて固定し、 所 定の裁断線に沿ってパーツへと裁断するに際して、 前記裁断線の近傍でかつ前記 パーツの縫い代またはその外側を局部的に加熱することにより、 前記シート材を 相互に上下に溶着させて、 上下のシート材を固定することを特徴とする。
好ましくは、 前記局部加熱を、 裁断ヘッドのナイフまたは目打ちを用いて行う。 例えばナイフを重ねたシート材に突き刺し、 同じ位置で上下させると、 ナイフと シート材との摩擦でシート材を互いに溶着できる。 また例えばドリル状の目打ち で、 重ねたシート材に孔をあけるように掘り込み、 目打ちを回転させると、 シー ト材を溶着できる。 あるいは往復刃からなる目打ちの場合、 裁断用のナイフと同 様にシート材に突き刺し上下させると、 溶着できる。
また好ましくは、 前記局部加熱を、 裁断線もしくはそのやや外側に対して、 1 パーッ当たり数力所で行う。
また好ましくは、 前記局部加熱を、 裁断線の内側の縫い代に対して、 1パーツ 当たり数力所で行う。
ここに 1パーツ当たり数力所とは、 例えば 1パーツ当たり 2〜1 0個所、 好ま しくは 3〜 6個所程度である。
またこの発明のシート材の裁断方法は、 複数のシート材を上下に重ねて固定し、 所定の裁断線に沿ってパーツへと裁断するに際して、 前記裁断線上の複数個所を 切り残すように裁断した後に、 該切り残しを裁断することを特徴とする。
なお前記シート材を空気不透過性のシート材、 例えば塩化ビュルや合皮 (合成 皮革) などのシート材、 あるいはその他の生地に空気不透過性の加工を施したも のなどとすると、 本発明は特に有効である。 なお空気不透過性は、 空気を全く通 さないものに限らず、 通気性が低いものを含む意味で用いる。 発明の作用と効果
この発明では、 シート材を相互に上下に溶着し、 あるいは裁断線上に切り残し を設けて裁断するので、 空気不透過性で滑りやすい塩化ビニールや合皮などのシ ート材でも、 正確に裁断できる。 また空気透過性のシート材を裁断する場合でも、 シート材の固定が容易になり、 真空吸引でシート材を固定する場合、 吸引力を小 さくできる。 溶着個所は裁断線上やそのやや外側、 あるいは裁断線の内側の縫い 代とするので、 パーツに疵を付けずに溶着できる。
シート材を上下で相互に溶着するには、 裁断装置の裁断へッドに装備されてい るナイフや目打ちを用いると、 通常の裁断へッドで簡単に溶着を行える。
溶着は 1パーツ当たり数力所、 例えば 2〜1 0個所で、 好ましくは 3〜6個所 に溶着する。 溶着個所は、 裁断線上やそのやや外側、 あるいは裁断線の内側でパ ーッの縫い代とする。 やや外側とは例えば裁断線に直角に外側に 5 mm以内のェ リアとする。 また裁断線の外側を直ぐ他のパーツに用いる場合は、 溶着個所を裁 断線上やその内側の縫い代とすることが好ましい。
対象とするシート材は空気不達過性のものが有効で、 このようなシート材は真 空吸引で固定するのが難しく、 シート材とシート材との間の空気のために滑りや すい。 一方、 空気不透過性のシート材は塩化ビュールや合皮、 ナイロン、 ポリエ ステルなどのように、 熱で溶融しやすく、 溶着が容易なものが多い。 このため、 この発明では空気不透過性の固定が困難なシート材でも上下に重ねて正確に裁断 できる。 図面の簡単な説明
図 1は実施例の裁断装置の要部平面図である。
図 2は実施例の裁断方法のアルゴリズムを示すフローチヤ一トである。
図 3は裁断線やそのやや外側に沿ってシート材を相互に溶着させる実施例を模式 的に示す図である。
図 4は裁断線の内側の縫い代部分でシート材を相互に溶着させる実施例を模式的 に示す図である。
図 5は裁断線上に切り残しを設けて、 最後に切り残しを裁断するようにした実施 例を模式的に示す図である。
図 6は図 3 , 図 4の各実施例での、 シート材間の溶着個所を模式的に示す図であ る。 実施例
図 1〜図 6に、 実施例とその変形とを示す。 図 1に、 用いる裁断装置 2を示す と、 4はテーブルで、 6はテーブル 4上に固定したブリストルで、 剛毛のブラシ である。 ブリス トル 6以外の部材でも、 空気透過性あるいは空気吸引孔を備えて、 その上に載置したシート材を吸引ポンプ 1 6により吸引固定できるものであれば よい。 8は裁断用のヘッドで、 アーム 1 0上を図 1の Y方向に走行し、 アーム 1 0はレール 1 2に対して図 1の X方向に走行するので、 テープル 4に対して X Y 方向に移動できる。 ヘッド 8は、 シート材などを裁断するためのナイフや丸刃と、 シート材にマークを打刻するための目打ち' (ノッチ) とを備えているが、 最低限 ナイフか目打ちかの一方を備えていればよい。 ヘッド 8は、 ナイフを上下させて、 ブリストル 6上に積み重ね塩化ビュルなどのシートで覆って固定したシート材の 束を裁断する。 なお積み重ねたシート材の枚数が少ない場合、 例えば 1〜 2枚の シート材を裁断する場合、 丸刃で裁断しても良い。 そしてこの場合、 上側の 2枚 目のシート材が下側のシート材に対して位置ずれしないように、 実施例と同様に、 ナイフや目打ちでシート材を互いに溶着させておくと良い。
1 4は制御部で、 裁断パターンを入力されて、 ヘッド 8の X Y方向への走行と、 裁断や目打ち、 溶着、 切り残しなどの制御を行う。 なお裁断パターンは、 裁断装 置 2で発生させても、 あるいは外部のデザイン装置などで発生させてもよい。 1 6は吸引ポンプで、 プリストル 6を介してテーブル 4上のシート材を真空吸引し て固定する。
図 2に、 実施例での裁断アルゴリズムを示す。 ステップ 1で裁断パターンを作 成し、 ステップ 2でシート材の固定方法を選択する。 シート材の固定方法には、 シート材を上下で相互に溶着させる 「溶着」 と、 裁断線上に数力所切り残しを設 けて、 切り残し以外の部分を裁断した後に切り残しをカットする、 「切り残し」 がある。 これ以外に溶着も切り残しも行わず、 真空吸引のみでシート材を固定す ることも選択できる。 なお溶着の場合も切り残しの場合も、 真空吸引を同時に行 うものとする。 また 「溶着」 、 「切り残し」 、 「これ以外」 (真空吸引のみ) の 選択は、 制御部にマニュアルで入力しても、 シート材の材質や裁断パターン等の データから制御部で自動的に選択するようにしても良い。
溶着の場合、 裁断線の近傍、 即ち裁断線の内側の縫い代や裁断線上、 あるいは 裁断線のやや外側で、 上下に積み重ねたシート材を互いに溶着させる。 溶着には 裁断用のヘッドに備え付けのナイフや目打ちを用いる。 例えば溶着箇所で、 積み 重ねたシート材の多くを貫通する位置までナイフを突き刺し、 同じ位置で高速で 上下すると、 摩擦熱によりシート材は上下で相互に溶着する。 ドリル状の目打ち の場合、 目打ちを回転させて積み重ねたシート材の多くを貫通するように掘り下 げ、 その位置で回転させて摩擦熱溶着させる。 ここで 「多く」 とは、 例えば積み 重ねたシート材の厚さの 1 2〜 3 / 4程度を意味する。 またナイフ状の目打ち の場合、 裁断用のナイフと同様に、 積み重ねたシート材に突き刺した状態で高速 で上下させ、 シート材を互いに溶着させると良い (ステップ 3 ) 。 そして溶着後 に裁断を実行する (ステップ 4 ) 。 ただし 1パーツの全周分数力所を先に溶着す る必要はなく、 1個所溶着して 1ライン分カットし、 次のラインに対して例えば 1個所溶着して、 このラインを裁断するようにしてもよい。 切り残しを設ける場 合、 裁断パターンを変更し、 裁断線上の数力所に切り残しを追加する (ステップ 5 ) 。 そして裁断を実行し (ステップ 6 ) 、 最後に切り残しをカットする (ステ ップ 7 ) 。 また溶着と切り残しは併用可能で、 その場合、 アルゴリズム上は溶着 と切り残しの双方が選択されたものとする。
図 3に、 裁断線のやや外側に溶着個所 2 6を数力所で設ける例を模式的に示す。 2 0はシート材を複数枚積み重ねて厚さ 2 c m〜 5 c m程度にした束で、 シート 材には例えば塩化ビニルや合皮などの空気不透過性のシートを用いる。 そして実 際には、 束 2 0の上に図 6に示す気密性の塩化ビニルシート 3 4などを重ねて、 より効率的に真空吸引できるようにする。 ただし図 3〜図 5では、 塩化ビュルシ ートの図示を省略する。 2 2はナイフで、 裁断用のヘッドに備え付けのもので、 目打ちなどの他の部材を用いてもよい。 また裁断用のへッドにヒータを内蔵した 棒状の部材などを設けて、 この部材を上下させて溶着してもよい。
ナイフ 2 2を上下させ、 裁断線の外側の数力所、 例えば 4個所に、 溶着個所 2 6を設ける。 そしてナイフ 2 2を積み重ねたシート材に突き刺して、 その位置で 上下させると、 上下のシート材が互いに溶着して、 シート材を固定できる。 この ため空気不透過性のシート材で、 吸引ポンプによる吸引だけでは上下のシート材 を固定できない場合でも、 正確に裁靳できる。 溶着個所 2 6はパーツの外側であ り、 裁断線からの距離も 5 mm程度と極く僅かなので、 他のパーツに疵を付ける ことがない。 溶着は例えば裁断前に行うものとするが、 溶着一裁断一溶着一裁断 などのように、 各区間 (裁断の 1ライン) 毎に溶着と裁断とを交互に実行しても よい。 2 8はパーツの内部のパターンで、 縫い代の内側の領域で、 縫製後に繊維 製品の表面に表れる部分である。
図 4は、 裁断線 2 4の内側の縫い代 3 0に、 溶着個所 2 6を設ける例を示して いる。 この場合、 溶着個所 2 6は縫い代 3 0にあり、 縫製により隠されるため製 品に疵が残らない。
図 5は、 裁断線 2 4に数力所で切り残し 3 2を設ける例を示している。 切り残 しを設ける個所は、 パーツの角などのようにナイフ 2 2をシート材から引き上げ て方向転換などを行う場所が好ましい。 さらに切り残し 3 2の裁断線 2 4に沿つ た長さは、 ナイフ 2 2の幅、 即ちナイフ 2 2の裁断方向の長さよりも短くするこ とが好ましい。 図 5の実施例は図 3 , 図 4の実施例と併用でき、 例えば裁断線 2 4の直ぐ外側に他のパーツが来る場合などに、 図 5のように切り残し 3 2を利用 するとよい。 また図 3の実施例と図 4の実施例を併用し、 同様に裁断線 2 4の外 側に溶着個所 2 6を設けられない場合に、 縫い代 3 0を用いて溶着個所 2 6を設 けるとよい。 裁断にはナイフ 2 2を用いても、 裁断するシート材の枚数が少ない 場合、 図示しない丸刃などを用いても良く、 ヘッドは動作中にナイフ、 目打ち、 丸刃などのツールを選択自在なので、 例えばナイフや目打ちで溶着して、 丸刃で 裁断することもできる。
図 6に、 溶着個所 2 6を設けた束 2 0の断面を示すと、 空気透過性のプリス ト ル 6を介して、 束 2 0内のシート材が吸引されて、 テーブル上に固定する。 そし て束 2 0上には気密性の塩化ビュルシート 3 4を被せ、 真空吸引しやすくする。 束 2 0のシート材が空気不透過性の場合、 シート材を真空吸引だけで固定するこ とは難しいので、 溶着や切り残しを利用する。 そして溶着や切り残しの形成並ぴ に裁断は、 塩化ビュルシート 3 4と束 2 0とに対して一括して行う。 このため溶 着時には、 ナイフ 2 2や目打ちを塩化ビニルシート 3 4に上側から貫通させて、 下側の束 2 0のシート材を互いに溶着する。
実施例では、 裁断線上やその外側、 あるいは縫い代などの縫製後に表れない位 置を利用して、 溶着や切り残しにより裁断時にシート材を互いに固定し、 滑りや すいシート材を積み重ねても正確に裁断できる。 しかも溶着や切り残しはへッド に備え付けの部材で行え、 新たな部材を追加する必要がない。

Claims

請求の範囲
1 . 複数のシート材を上下に重ねて固定し、 所定の裁断線に沿ってパーツへと 裁断するに際して、 前記裁断線の近傍でかつ前記パーツの縫い代またはその外側 を局部的に加熱することにより、 前記シート材を相互に上下に溶着させて、 上下 のシート材を固定することを特徴とする、 シート材の裁断方法。
2 . 前記局部加熱を、 裁断ヘッドのナイフまたは目打ちを用いて行うことを特 徴とする、 請求の範囲第 1項のシート材の裁断方法。
3 . 前記局部加熱を、 裁断線もしくはそのやや外側に対して、 1パーツ当たり 数力所で行うことを特徴とする、 請求の範囲第 1項または第 2項のシート材の裁 断方法。
4 . 前記局部加熱を、 裁断線の内側の縫い代に対して、 1パーツ当たり数力所 で行うことを特徴とする、 請求の範囲第 1項または第 2項のシート材の裁断方法 c
5 . 複数のシート材を上下に重ねて固定し、 所定の裁断線に沿ってパーツへと 裁断するに際して、 前記裁断線上の複数個所を切り残すように裁断した後に、 該 切り残しを裁断することを特徴とする、 シート材の裁断方法。
6 . 前記シート材が空気不透過性であることを特徴とする、 請求の範囲第 1項 〜第 5項のいずれかのシート材の裁断方法。
PCT/JP2003/017092 2003-01-10 2003-12-26 シート材の裁断方法 WO2004062858A1 (ja)

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AT03768393T ATE485139T1 (de) 2003-01-10 2003-12-26 Verfahren zum schneiden von blattmaterialien
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JP7323166B2 (ja) 2019-07-23 2023-08-08 株式会社創和 布製品の製造方法

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AU2003292735A1 (en) 2004-08-10
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EP1595660A4 (en) 2009-05-27
KR101026365B1 (ko) 2011-04-05
CN1738701A (zh) 2006-02-22
CN100377850C (zh) 2008-04-02
EP1595660B1 (en) 2010-10-20
EP1595660A1 (en) 2005-11-16
US20060081098A1 (en) 2006-04-20
US7950314B2 (en) 2011-05-31
ATE485139T1 (de) 2010-11-15
DE60334642D1 (de) 2010-12-02

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