CN102655962A - Punching manufacturing method for workpiece - Google Patents

Punching manufacturing method for workpiece Download PDF

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Publication number
CN102655962A
CN102655962A CN201080055769.3A CN201080055769A CN102655962A CN 102655962 A CN102655962 A CN 102655962A CN 201080055769 A CN201080055769 A CN 201080055769A CN 102655962 A CN102655962 A CN 102655962A
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China
Prior art keywords
pilot hole
downstream stations
workpiece
die
manufacturing procedure
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.)
Granted
Application number
CN201080055769.3A
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Chinese (zh)
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CN102655962B (en
Inventor
大久保成彦
三田和之
大西真辅
藤田将明
中村慎太郎
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
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Publication of CN102655962A publication Critical patent/CN102655962A/en
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Publication of CN102655962B publication Critical patent/CN102655962B/en
Expired - Fee Related legal-status Critical Current
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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

Abstract

A punching manufacturing method uses, as the raw material (40), a long continuous metallic plate material and manufactures an element (10) from the raw material (40). The method comprises a step for forming a pilot hole (42) in the raw material (40) and also forming slits (44) around the pilot hole (42), a step for sequentially transferring and positioning the raw material (40) on downstream stations using the pilot hole (42), and a step for working the raw material (40) transferred and positioned on the downstream stations.

Description

The stamping manufacture method that is used for workpiece
Technical field
The present invention relates to a kind ofly punch out the method for (blanking) workpiece (stamping manufacture method that is used for workpiece) from material, the form of said material is elongated continuous metal sheet.
Background technology
Infinitely variable speed transmission (CVT) comprises a series of elements, and each element comprises main body and head, and main body has the V-type surface, and said V-type surface is placed to stepless speed change driver and contacts, and said head is attached to the top part of main body through neck.Head comprises in the face of the outstanding ear of the top edge opposite side from the head of main body.Between ear, limit depression, said depression is positioned on the opposite side of head and main body.Main body roughly comprises thinner region on the latter half at it, and the wall thickness of said thinner region diminishes towards lower limb gradually.
Usually, a plurality of such elements are stacked with ring form, and use the form that is installed in the respective recesses to band together as the annular ring of metal tape.The main body of element is positioned on all sides of band, and head is positioned on the outer circumferential side of band.
Use the shaping and punching machine, each element is that die-cut (blanking) gets off on the material of elongated continuous metal sheet from form, and said material is placed on the press punch die.Thereby, be stacked with ring form by the element of die-cut one-tenth hundred, and be assembled into continuously variable transmission belt through the annular ring that is installed in the depression that is arranged in the element.
As a kind of technology in the type above-mentioned, known a kind of manufacturing approach that is used in the element in the continuously variable transmission belt, it is disclosed among day disclosure unexamined patent 2004-141887.According to disclosed manufacturing approach, as shown in Figure 5, the processing station from A to H is provided.Along the banded web 1 of the direction feeding shown in the arrow L, in H, process banded web 1 according to being desirably in processing station A.
For example, processing station A forms pilot hole 2 and is used for feeding web 1 in web 1, and processing station C will be die-cut to the outside of element 3 the most at last by die-cut undesired part 4 of getting off from web 1.Processing station D carries out punching out operation (coining process), and processing station F carries out finishing process (shaving process).At last, in processing station H, element 3 machine that is stamped cuts off from web 1.
Summary of the invention
According to day disclosure unexamined patent 2004-141887, pilot hole 2 is formed in the web 1 in processing station A.Unshowned location feeding pin is inserted in the pilot hole 2, so that along the feeding web 1 off and on of the direction shown in the arrow L.In H, on web 1, carry out some manufacturing procedure at processing station B, for example such as the stamping procedure (stamping process) of punching out operation (coining process).
In stamping procedure, tend to generating material stream in web 1.Therefore, pilot hole 2 is out of shape probably, causes utilizing pilot hole 2 to locate the reduction of the accuracy of webs 1.Therefore, the element 3 as product suffers the change on the crudy.
The present invention is proposed to address the above problem.The purpose of this invention is to provide a kind of method, be used for through simple procedures die-cut high-quality workpiece from the elongated continuous metal sheet easily and reliably.
What the present invention paid close attention to is the method from the material die workpiece, and the form of said material is elongated continuous metal sheet.
The present invention also pays close attention to from the method for material die workpiece, and said material is the form of elongated continuous metal sheet, and wherein workpiece comprises the element that is used in the continuously variable transmission belt.
In addition, the present invention relates to from the method for material die workpiece, said material is the form of elongated continuous metal sheet, and wherein workpiece comprises the element that is used in the continuously variable transmission belt, and said material is only processed by the flat of constant wall thickness.
The opening that each of method above-mentioned comprises the steps: in material, to form pilot hole and centers on pilot hole; Use pilot hole continuous feed material to downstream stations and in downstream stations the said material in location, carry out manufacturing procedure being fed to and being positioned on the material in the downstream stations.
According to the present invention, pilot hole and be formed in the material around the opening of pilot hole.Said opening can form arch slit, straight slit, hole or the like.
Therefore, when on material, carrying out the punching out operation, the material stream that in material, occurs is discharged (absorption) by said opening.As a result, when on material, carrying out the punching out operation, prevent the unsuitable distortion of pilot hole reliably.The material locating accuracy of utilizing pilot hole to accomplish is able to keep, and allows element to be manufactured high-quality product effectively thus.
Description of drawings
Fig. 1 is the diagram that is used in the element in the continuously variable transmission belt, and said element conduct is the workpiece of method for die cutting manufacturing according to an embodiment of the invention;
Fig. 2 is the side view of said element;
Fig. 3 is a sketch map, and the manufacturing system that is used to carry out method for die cutting is shown;
Fig. 4 is the die set of said manufacturing system; And
The diagram of Fig. 5 is illustrated in the disclosed manufacturing approach that is used in the element in the continuously variable transmission belt among day disclosure unexamined patent 2004-141887.
The specific embodiment
Fig. 1 illustrates the element 10 that is used in the continuously variable transmission belt, and it is as passing through the workpiece of method for die cutting manufacturing according to an embodiment of the invention.
Element 10 comprises the main body 14 with left and right side edge 12, interior all sides that it will contact infinitely variable speed transmission and will be positioned in continuously variable transmission belt, and said driving-belt is by forming at a plurality of these class components 10 that thickness direction piles up with ring form.Element 10 also comprises head 18, and said head is attached to the center top edge of main body 14 by neck 1, and will be positioned at the outer circumferential side of continuously variable transmission belt.Main body 14 roughly comprises thin part 20 in second zone at it, said part other part less than main body 14 on wall thickness that approaches.
As illustrated in fig. 1 and 2, head 18 comprises left and right side end parts 24, and they are positioned at the left side and the right side of the upper area 22 of proximate neck 16.Left and right side end parts 24 has wall thickness C, and wall thickness C is greater than the wall thickness D of the left and right side of upper area 22 (C＞D).Neck 16 has wall thickness B and A respectively with main body 14.Wall thickness A is less than the wall thickness C of the left and right side end parts 24 of head 18.Wall thickness B is equal to or less than wall thickness C.
Main body 14 comprises the left and right side end parts in its roughly first zone except thin part 20; This left and right side end parts is positioned on the both sides of lower area of neck 16 and has wall thickness A, and wall thickness A is less than the wall thickness B of the lower area of neck 16 (C >=B＞A).
As shown in Figure 3, be used to carry out manufacturing system 30 according to the method for die cutting of the embodiment of the invention and comprise first processing station 32, second processing station 34, the 3rd processing station 36 and the 4th processing station 38.Processing station is arranged along the direction shown in the arrow L, this direction indication material direction of feed.
Manufacturing system 30 is the material 40 manufacturing elements 10 of elongated continuous metal sheet from form.Material 40 is only formed by the flat with constant wall thickness.
First processing station 32 forms as the pilot hole 42 of reach through hole and the opening that centers on pilot hole 42, for example, and four arch slits 44.Replace arch slit 44, opening can form a plurality of straight slits, a plurality of holes or the like.
Second processing station 34 will limit element 10 exterior contour do not want that part 46 is die-cut from the material 40 gets off.As shown in Figure 4, the 3rd processing station 36 is equipped with die set 50.
Die set 50 comprises punch die 52 and stamping machine 54.Punch die 52 has the corresponding hole 58,60 that is limited to wherein with stamping machine 54, and alignment pin 56 is inserted into and passes said hole.Stamping machine 54 is pressed against on the punch die 52 by unshowned actuator.The profiled surface 52a of stamping machine 54 and punch die 52 carries out the punching out operation on material 40, so that material 40 punching out are become the shape of element 10.The 4th processing station 38 is carried out die-cut operation, so that with element 10 from material 40 separately.
The method of being carried out by manufacturing system 30 from material 40 die elements 10 will be described below.
As shown in Figure 3, by the material 40 of unshowned feeder along the direction feeding shown in the arrow L, material 40 is placed in first processing station 32 at first.In first processing station 32, pilot hole 42 and be formed in the material 40 around a plurality of arch slits 44 of each pilot hole 42.
Then, material 40 is fed in second processing station 34 along direction shown in the arrow L.Along with it is fed in second processing station 34, when the unshowned location feeding pin that is inserted in the pilot hole 42 was moved, material 40 was positioned at second processing station, 34 desired positions.In second processing station 34, execution removes operation and removes from material 40 so that will limit the undesired part 46 of the exterior contour of element 10.
Then, use pilot hole 42 that material 40 is fed in the 3rd processing station 36.In the 3rd processing station 36, as shown in Figure 4, the stamping machine 54 of die set 50 is compressed punch die 52.The profiled surface 52a of punch die 52 carries out the punching out operation with stamping machine 54 so that material 40 punching out are become the shape of element 10 on material 40.
According to present embodiment, pilot hole 42 and be formed in the material 40 around the arch slit 44 of pilot hole 42.Therefore, when material 40 during by die set 50 punching out, the material stream (in Fig. 4, being illustrated by arrow) that appears in the material 40 is discharged (absorption) by slit 44.As a result, when punching out material 40, can prevent pilot hole 42 inappropriate distortion reliably.
Like this, utilize the precision of pilot hole 42 locator materials 40 to be able to keep, allow element 10 to be manufactured high-quality product effectively thus.
In addition, according to present embodiment, when with die set 50 punching out materials 40, alignment pin 56 is inserted in the pilot hole 42.Therefore, even material stream with die set 50 punching out materials 40 time, in material 40, occurs, also can prevent pilot hole 42 excessive deformations more reliably.
In fact, about according to the method for background technology (wherein only forming pilot hole 42), and, detect deviation to the pitch of feed of material 40 according to the method for present embodiment (wherein form pilot hole 42 and around the slit 44 of pilot hole 42).As the result of this observation, can confirm that the deviation of pitch of feed has reduced 50% with comparing according to the deviation of the pitch of feed in the method for background technology in according to the method for present embodiment.
When a plurality of elements 10 according to the present embodiment manufacturing were arranged to ring form and are assembled into continuously variable transmission belt, continuously variable transmission belt is all side smooth curved in it.The direction that element 10 piles up the institute edge does not bend towards head 18, and element 10 is piled up intactly.
When the continuously variable transmission belt that assembles by around the pulley tractive of infinitely variable speed transmission the time, continuously variable transmission belt is prevented from towards the vibration of its outer circumferential side.Thereby, prevent to damage annular ring and said element, allow infinitely variable speed transmission to transmit power thus with stable manner.
When element 10 piled up with ring form, thick relatively part promptly, comprised three parts of lower area of left and right side end parts 24 and the neck 16 of head 18, keeps contacting with adjacent elements 10.As a result, element 10 keeps piling up with high stability mode, and prevents that the continuously variable transmission belt roaming mobile (meandering) that assembles from also letting continuously variable transmission belt can transmit power effectively simultaneously.
In addition, as shown in Figure 2, the wall thickness A of the left and right side end parts of main body 14 is less than the wall thickness B of the lower area of neck 16.And the wall thickness B of the lower area of neck 16 is equal to or less than the wall thickness C of left and right side end parts 24.Thereby when element 10 piled up with ring form and is assembled in the continuously variable transmission belt, element 10 piled up with stable manner through the lower area of contact left and right side end parts 24 and neck 16.
In addition owing to prevented that each element 10 is crooked with headward 18 convergence mode, when element 10 by around the pulley tractive of infinitely variable speed transmission the time, can prevent element 10 owing to not the expecting to contact and be damaged of annular ring.Therefore, infinitely variable speed transmission can transmit power with stable manner.
In the present embodiment, be used in element 10 in the infinitely variable speed transmission as the workpiece manufacturing.Yet the present invention is not limited to this application.Except the flat with constant wall thickness, material 40 also can be a different shape.The present invention also is applicable to except the workpiece of element 10 at other interior various types, as long as this workpiece is to be processed by the material of metallic plate form.
Claims (according to the modification of the 19th of treaty)
1. method from the die-cut workpiece of material (40), said material (40) is the form of elongated continuous metal sheet, said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out the punching out operation.
2. method according to claim 1, wherein when on material (40), carrying out the punching out operation, alignment pin (56) is inserted in the pilot hole (42).
3. method according to claim 1 and 2, its split shed (44) form a plurality of slits or a plurality of holes.
4. method from the die-cut workpiece of material (40), said material (40) is the form of elongated continuous metal sheet, and said workpiece comprises the element (10) that is used in the continuously variable transmission belt, and said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out manufacturing procedure.
5. method according to claim 4, its split shed (44) form a plurality of slits or a plurality of holes.
6. method according to claim 4, wherein when the punching out operation of on material (40), carrying out as manufacturing procedure, alignment pin (56) is inserted in the pilot hole (42).
7. method from the die-cut workpiece of material (40); Said material (40) is the form of elongated continuous metal sheet; Said workpiece comprises the element (10) that is used in the continuously variable transmission belt, and said material (40) is only processed by the flat of constant wall thickness, and said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out manufacturing procedure.
8. method according to claim 7, its split shed (44) form a plurality of slits or a plurality of holes.
9. method according to claim 7, wherein when the punching out operation of on material (40), carrying out as manufacturing procedure, alignment pin (56) is inserted in the pilot hole (42).

Claims (9)

1. method from the die-cut workpiece of material (40), said material (40) is the form of elongated continuous metal sheet, said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out manufacturing procedure.
2. method according to claim 1, its split shed (44) form a plurality of slits or a plurality of holes.
3. method according to claim 1, wherein when the punching out operation of on material (40), carrying out as manufacturing procedure, alignment pin (56) is inserted in the pilot hole (42).
4. method from the die-cut workpiece of material (40), said material (40) is the form of elongated continuous metal sheet, and said workpiece comprises the element (10) that is used in the continuously variable transmission belt, and said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out manufacturing procedure.
5. method according to claim 4, its split shed (44) form a plurality of slits or a plurality of holes.
6. method according to claim 4, wherein when the punching out operation of on material (40), carrying out as manufacturing procedure, alignment pin (56) is inserted in the pilot hole (42).
7. method from the die-cut workpiece of material (40); Said material (40) is the form of elongated continuous metal sheet; Said workpiece comprises the element (10) that is used in the continuously variable transmission belt, and said material (40) is only processed by the flat of constant wall thickness, and said method comprises the steps:
In material (40), form pilot hole (42) and around the opening (44) of pilot hole (42);
Utilize pilot hole (42) that material (40) continuous feed is positioned in the downstream stations to downstream stations and with material (40); And
On the material (40) that is fed to and is positioned in the downstream stations, carry out manufacturing procedure.
8. method according to claim 7, its split shed (44) form a plurality of slits or a plurality of holes.
9. method according to claim 7, wherein when the punching out operation of on material (40), carrying out as manufacturing procedure, alignment pin (56) is inserted in the pilot hole (42).
CN201080055769.3A 2009-12-08 2010-10-19 Punching manufacturing method for workpiece Expired - Fee Related CN102655962B (en)

Applications Claiming Priority (3)

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JP2009278226 2009-12-08
JP2009-278226 2009-12-08
PCT/JP2010/068375 WO2011070857A1 (en) 2009-12-08 2010-10-19 Punching manufacturing method for workpiece

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CN102655962A true CN102655962A (en) 2012-09-05
CN102655962B CN102655962B (en) 2015-06-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110139997A (en) * 2016-12-30 2019-08-16 罗伯特·博世有限公司 Method of the manufacture for the traversing section of the transmission belt of stepless transmission
CN110303098A (en) * 2018-03-27 2019-10-08 本田技研工业株式会社 The forming method of sheet metal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060256A1 (en) * 2009-12-23 2011-06-30 SMS Siemag AG, 40237 Method for hot rolling a slab and hot rolling mill

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JPS5272543U (en) * 1975-11-27 1977-05-31
CN1080884A (en) * 1992-07-02 1994-01-19 株工会社精工舍 The method of punching U-shaped parts
JP2002213539A (en) * 2001-01-18 2002-07-31 Nissan Motor Co Ltd Element for cvt belt and its manufacturing method
JP2003263086A (en) * 2002-03-08 2003-09-19 Toyo Tire & Rubber Co Ltd Method for manufacturing cleaning blade fixing metal
JP2008011664A (en) * 2006-06-30 2008-01-17 Kuroda Precision Ind Ltd Manufacturing method of laminated core, manufacturing device of laminated core, and laminated core

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JPS5272543U (en) * 1975-11-27 1977-05-31
CN1080884A (en) * 1992-07-02 1994-01-19 株工会社精工舍 The method of punching U-shaped parts
JP2002213539A (en) * 2001-01-18 2002-07-31 Nissan Motor Co Ltd Element for cvt belt and its manufacturing method
JP2003263086A (en) * 2002-03-08 2003-09-19 Toyo Tire & Rubber Co Ltd Method for manufacturing cleaning blade fixing metal
JP2008011664A (en) * 2006-06-30 2008-01-17 Kuroda Precision Ind Ltd Manufacturing method of laminated core, manufacturing device of laminated core, and laminated core

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Publication number Priority date Publication date Assignee Title
CN110139997A (en) * 2016-12-30 2019-08-16 罗伯特·博世有限公司 Method of the manufacture for the traversing section of the transmission belt of stepless transmission
CN110139997B (en) * 2016-12-30 2021-11-02 罗伯特·博世有限公司 Method for manufacturing a transverse segment of a drive belt for a continuously variable transmission
CN110303098A (en) * 2018-03-27 2019-10-08 本田技研工业株式会社 The forming method of sheet metal
US11065664B2 (en) 2018-03-27 2021-07-20 Honda Motor Co., Ltd. Metal sheet molding method

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JPWO2011070857A1 (en) 2013-04-22
CN102655962B (en) 2015-06-03
JP5577353B2 (en) 2014-08-20
WO2011070857A1 (en) 2011-06-16

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