WO2011070857A1 - Procédé de fabrication par poinçonnage pour pièce à travailler - Google Patents

Procédé de fabrication par poinçonnage pour pièce à travailler Download PDF

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Publication number
WO2011070857A1
WO2011070857A1 PCT/JP2010/068375 JP2010068375W WO2011070857A1 WO 2011070857 A1 WO2011070857 A1 WO 2011070857A1 JP 2010068375 W JP2010068375 W JP 2010068375W WO 2011070857 A1 WO2011070857 A1 WO 2011070857A1
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WO
WIPO (PCT)
Prior art keywords
work
processing
pilot hole
punching
holes
Prior art date
Application number
PCT/JP2010/068375
Other languages
English (en)
Japanese (ja)
Inventor
大久保成彦
三田和之
大西真輔
藤田将明
中村慎太郎
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2011545141A priority Critical patent/JP5577353B2/ja
Priority to CN201080055769.3A priority patent/CN102655962B/zh
Publication of WO2011070857A1 publication Critical patent/WO2011070857A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/14—Making other particular articles belts, e.g. machine-gun belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/06—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by positive or negative engaging parts co-operating with corresponding parts of the sheet or the like to be processed, e.g. carrier bolts or grooved section in the carriers

Definitions

  • the present invention relates to a method for punching and producing a work using a long continuous metal plate as a material and manufacturing a work from the material.
  • an element constituting a belt for a continuously variable transmission includes a body having a V surface in contact with a pulley of the continuously variable transmission, and a head continuously connected to an upper portion of the body via a neck.
  • the head is provided on both sides with an ear that overhangs so as to face the upper edge of the body, and a recess is formed between the ear and the body located on both sides of the neck.
  • the thin part which becomes thin gradually toward a lower edge is formed in the substantially lower half part of a body.
  • the elements are annularly stacked in a plurality of sheets, and are bound in an annular shape by attaching a metal strip endless ring to the recess.
  • the body is positioned on the inner circumferential side of the belt, and the head is positioned on the outer circumferential side of the belt.
  • the element is formed by using a long continuous metal plate as a material, and the metal plate is punched out by a forming punch in a state of being placed on a die of a press. Then, several hundreds of the punched elements are annularly stacked, and an endless ring is attached to the recess, thereby being assembled as a continuously variable transmission belt.
  • the processing station A the pilot holes 2 for feeding the strip 1 are formed, and in the processing station C, the punching process of the outer unnecessary portion 4 of the element 3 to be finally punched out is performed. Further, at the processing station D, coining processing is performed, while at the processing station E, shaving processing is performed. Finally, at the processing station H, the element 3 is separated from the strip 1 by a punch.
  • the pilot holes 2 are formed in the strip 1 at the processing station A.
  • the positioning conveyance pin which is not shown in figure is inserted in this pilot hole 2, and the strip material 1 is intermittently conveyed one by one in the arrow L direction.
  • the strip material 1 is subjected to predetermined processing such as crushing processing such as coining processing.
  • the present invention solves this type of problem, and provides a method of punching out a workpiece capable of easily and reliably manufacturing high quality workpieces from a long continuous metal plate material by a simple process.
  • the purpose is to
  • the present invention relates to a method of punching and manufacturing a work using a long continuous metal plate as a material and manufacturing a work from the material.
  • the present invention relates to a method of punching out a work which is an element of a belt for a continuously variable transmission, while using a long continuous metal plate material as a material to manufacture a work from the material. .
  • a long continuous metal plate material is used as a material to manufacture a work from the material, the work is an element of a continuously variable transmission belt, and the material is a certain plate
  • the present invention relates to a method of punching out a work consisting only of a flat portion having a thickness.
  • the manufacturing method forms a pilot hole in the material, and forms an opening around the pilot hole, and sequentially transfers and positions the material to the downstream station through the pilot hole. And processing the material transferred and positioned at the downstream station.
  • the material has the pilot hole and the opening portion formed around the pilot hole.
  • the opening includes, for example, an arc-like slit, a linear slit, or a hole.
  • FIG. 1 shows an element 10 of a continuously variable transmission belt, which is an example of a workpiece manufactured by a punching manufacturing method according to an embodiment of the present invention.
  • the left and right side edges 12 are in contact with the continuously variable transmission pulley (not shown) and are on the inner circumferential side
  • a body 14 is provided, and a head 18 is provided continuously with a neck 16 on the upper edge side of the central portion of the body 14 via a plurality of rings and laminated in an annular shape.
  • a thin portion 20 having a thinner plate thickness than the other portions is provided in a substantially lower half portion of the body 14.
  • the thickness C of the left and right side end portions 24 located on the left and right sides of the upper region 22 adjacent to the neck 16 is the upper region 22 adjacent to the neck 16. It is set larger than the thickness D of (C> D).
  • the thicknesses B and A of the neck 16 and the body 14 are set smaller than the thickness C of the left and right end portions 24 of the head 18.
  • the thickness B is equal to or less than the thickness C.
  • the thickness A of the left and right side end portions of the body 14 located on both sides of the lower region of the neck 16 is greater than the thickness B of the lower region of the neck 16 in substantially the upper half excluding the thin portion 20 of the body 14 It is set small (C ⁇ B> A).
  • the manufacturing system 30 for carrying out the punching manufacturing method according to the present embodiment includes the first processing station 32, the second processing station 34, and the third processing along the arrow L direction which is the material conveyance direction.
  • a station 36 and a fourth processing station 38 are arranged.
  • a long continuous metal plate material is used as the material 40, the element 10 is manufactured from the material 40, and the material 40 is configured only by a flat portion having a certain thickness.
  • the first processing station 32 forms a pilot hole 42, which is a piercing hole, in the material 40, and forms an opening, for example, four arcuate slits 44 around the pilot hole 42.
  • the opening may be a plurality of linear slits, a plurality of holes, or the like instead of the arc-shaped slit 44.
  • the punching process is performed by punching out the unnecessary portion 46 of the element 10 from the material 40.
  • a mold apparatus 50 shown in FIG. 4 is used.
  • the mold apparatus 50 has a die 52 and a punch 54, and the die 52 and the punch 54 are formed with holes 58 and 60 for inserting the positioning pin 56.
  • the punch 54 is pressed toward the die 52 via an actuator (not shown), and the material 40 is subjected to a crushing process corresponding to the shape of the element 10 by the punch 54 and the molding surface 52 a of the die 52.
  • the fourth processing station 38 is stamped to separate the element 10 from the blank 40.
  • the material 40 is transported in the direction of arrow L via a transport device (not shown) and is first disposed at the first processing station 32.
  • the material 40 is formed with a pilot hole 42 and a plurality of arc-shaped slits 44 that circulate around the pilot hole 42.
  • the material 40 is conveyed in the direction of arrow L and placed at the second processing station 34.
  • the transport of the material 40 is positioned and arranged at a desired position of the second processing station 34 under the movement of a positioning transport pin (not shown) inserted into the pilot hole 42.
  • removal processing for removing the unnecessary portion 46 of the element 10 is performed.
  • the material 40 is conveyed to the third processing station 36 through the pilot holes 42.
  • the punch 54 constituting the mold apparatus 50 is pressed to the die 52 side.
  • the material 40 is subjected to a crushing process corresponding to the shape of the element 10 through the molding surface 52 a of the die 52 and the punch 54.
  • the material 40 is formed with a pilot hole 42 and a plurality of arc-shaped slits 44 around the pilot hole 42. For this reason, at the time of the crushing process by the mold apparatus 50, the material flow (see the arrow in FIG. 4) generated in the material 40 can be released (absorbed) by the plurality of slits 44. Therefore, it is possible to reliably prevent the pilot hole 42 from being deformed during the crushing process.
  • the positioning accuracy of the material 40 can be favorably maintained through the pilot holes 42, and the product element 10 can be manufactured with high quality and efficiency.
  • the positioning pin 56 is inserted into the pilot hole 42 at the time of the crushing process by the mold apparatus 50. Therefore, even if material flow occurs in the material 40 at the time of the crushing process by the mold apparatus 50, the deformation of the pilot hole 42 can be suppressed more reliably.
  • the deviation of the transport pitch of the material 40 is detected.
  • the deviation of the transport pitch is reduced to 50% or less compared to the conventional method.
  • the continuously variable transmission belt when the continuously variable transmission belt is formed by being arranged in a plurality of rings, the bending deformation of the continuously variable transmission belt to the inner peripheral side is smoothed. To be done. For this reason, the lamination direction of each element 10 does not bend to the head 18 side, and a good lamination shape can be obtained.
  • the relatively thick portions that is, the three portions of the left and right side end portions 24 of the head 18 and the lower region of the neck 16 in the body 14 are adjacent elements 10 Contact For this reason, it is possible to maintain an extremely stable laminated state, and when the continuously variable transmission belt is formed, it becomes possible to efficiently transmit power by preventing meandering and the like.
  • the thickness A of the left and right end portions of the body 14 is set smaller than the thickness B of the lower region of the neck 16, while the thickness C of the left and right end portions 24 is set. Also in the lower region, the thickness B of the lower region is made equal or less.
  • each element 10 is reliably prevented from bending so as to converge on the head 18 side, the element by unnecessary contact with the endless ring when it is hung on the continuously variable transmission pulley. It becomes possible to perform stable power transmission in the continuously variable transmission without 10 damage.
  • the raw material 40 can use the raw material of various shapes besides what consists only of the flat part which has fixed plate

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention porte sur un procédé de fabrication par poinçonnage qui utilise, comme matière première (40), un matériau en plaque métallique continue de grande longueur, et qui fabrique un élément (10) à partir de la matière première (40). Le procédé comporte une étape de création d'un avant-trou (42) dans la matière première (40), ainsi que la création de fentes (44) autour de l'avant-trou (42), une étape de transfert et de positionnement en séquence de la matière première (40) sur des stations aval à l'aide de l'avant-trou (42), et une étape de travail de la matière première (40) transférée et positionnée sur les stations aval.
PCT/JP2010/068375 2009-12-08 2010-10-19 Procédé de fabrication par poinçonnage pour pièce à travailler WO2011070857A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011545141A JP5577353B2 (ja) 2009-12-08 2010-10-19 ワークの打ち抜き製造方法
CN201080055769.3A CN102655962B (zh) 2009-12-08 2010-10-19 用于工件的冲压制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009278226 2009-12-08
JP2009-278226 2009-12-08

Publications (1)

Publication Number Publication Date
WO2011070857A1 true WO2011070857A1 (fr) 2011-06-16

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PCT/JP2010/068375 WO2011070857A1 (fr) 2009-12-08 2010-10-19 Procédé de fabrication par poinçonnage pour pièce à travailler

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JP (1) JP5577353B2 (fr)
CN (1) CN102655962B (fr)
WO (1) WO2011070857A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102655959A (zh) * 2009-12-23 2012-09-05 Sms西马格股份公司 用于热轧制板坯的方法以及热轧机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1042209B1 (en) * 2016-12-30 2018-07-23 Bosch Gmbh Robert Method for manufacturing a transverse segment for a drive belt for a continuously variable transmission
JP6957400B2 (ja) * 2018-03-27 2021-11-02 本田技研工業株式会社 金属板材の成形方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272543U (fr) * 1975-11-27 1977-05-31
JP2002213539A (ja) * 2001-01-18 2002-07-31 Nissan Motor Co Ltd Ｃｖｔベルト用エレメントとその製造方法
JP2003263086A (ja) * 2002-03-08 2003-09-19 Toyo Tire & Rubber Co Ltd クリーニングブレード取付金具の製造方法
JP2008011664A (ja) * 2006-06-30 2008-01-17 Kuroda Precision Ind Ltd 積層鉄心製造方法、積層鉄心製造装置および積層鉄心

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07108417B2 (ja) * 1992-07-02 1995-11-22 株式会社精工舎 コ字状部品のプレス抜き方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272543U (fr) * 1975-11-27 1977-05-31
JP2002213539A (ja) * 2001-01-18 2002-07-31 Nissan Motor Co Ltd Ｃｖｔベルト用エレメントとその製造方法
JP2003263086A (ja) * 2002-03-08 2003-09-19 Toyo Tire & Rubber Co Ltd クリーニングブレード取付金具の製造方法
JP2008011664A (ja) * 2006-06-30 2008-01-17 Kuroda Precision Ind Ltd 積層鉄心製造方法、積層鉄心製造装置および積層鉄心

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102655959A (zh) * 2009-12-23 2012-09-05 Sms西马格股份公司 用于热轧制板坯的方法以及热轧机
CN102655959B (zh) * 2009-12-23 2016-05-18 Sms集团有限责任公司 用于热轧制板坯的方法以及热轧机

Also Published As

Publication number Publication date
JPWO2011070857A1 (ja) 2013-04-22
CN102655962B (zh) 2015-06-03
JP5577353B2 (ja) 2014-08-20
CN102655962A (zh) 2012-09-05

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