CN1212906C - Production process of chains and chain pieces without net shaped waste meterials - Google Patents
Production process of chains and chain pieces without net shaped waste meterials Download PDFInfo
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- CN1212906C CN1212906C CN02142873.5A CN02142873A CN1212906C CN 1212906 C CN1212906 C CN 1212906C CN 02142873 A CN02142873 A CN 02142873A CN 1212906 C CN1212906 C CN 1212906C
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Abstract
The present invention relates to a manufacturing method of chains and chain pieces without producing net-shaped waste materials, and a punching tool thereof, wherein a plurality of chain pieces can be punched from one steel plate by the punching tool under the condition of no net-shaped waste material, and the chain pieces have through holes and external outlines. The punching tool comprises a bottom mold and a punching mold, wherein a plurality of hole punching rods, piece punching rods and waste material punching rod are arranged on the punching mold; the manufacturing method comprises the steps of punching holes, punching a single row of chain pieces, punching a single row of waste material, shaping double rows of the chain pieces by punching, etc. Because the hole punching rods, the piece punching rods and the waste material punching rods for punching the through holes and the external outlines on the chain pieces and the waste materials are all arranged on one bottom surface of the punching mold, the steps above can be carried out synchronously; In the process of manufacturing the chain pieces with the utilization of the present invention, no net-shaped waste material is produced, so material cost can be saved, and furthermore, the cost for storing and carrying the waste materials can be reduced.
Description
[technical field]
The present invention relates to a kind of manufacture method and die cutting die thereof of chain-sheet of chain, particularly relates to a kind of manufacture method and die cutting die thereof that does not have the chain-sheet of chain of netted waste material.
[background technology]
General chain roughly be by: inner chain sheet, outer chain sheet, chain roll, the element group is upright forms for chain rivet and lining etc., and some chain can omit lining in design, but the chain of quovis modo, and inside and outside chain sheet is an assembly indispensable on the chain design.And general chain in design, its inside and outside chain sheet has identical construction, both difference is the installation site difference, is that inner chain sheet or its manufacture method of outer chain sheet are all identical therefore, and the present invention improves at the manufacture method of chain-sheet of chain and die cutting die.
Consult Fig. 1, chain-sheet of chain 1 was die-cut and get on a steel plate 10 in the past, described steel plate 10 comprises: two parallel true edges 101, and stop limit 103 every the initial line together 102 that also vertically is engaged on 101 of two true edges and between left and right, and this chain sheet 1 comprises: the housing line of a curved arc 11, two arc end part 12 separately, and the waist 13 12 of two arc end part, on each arc end part 12, distinctly offer a perforation 121.
Utilize a not shown die cutting die on steel plate 10, to punch out several rows of oblique perforation during manufacturing, each row's perforation all comprises: even number perforation 121, respectively bore a hole on same row bores a hole 121 the line of centres 14, all the angle α that constitute less than 90 degree with 101 of the true edges of steel plate 10.When being used for the punching pole pair of die-cut chain sheet 1 housing line 11 on the die cutting die when answering the position that perforation 121 is set on the steel plate 10, just can on steel plate 10, punch out blocks of chain sheet 1, die-cut back position on the same line of centres 14 two adjacent perforation 121 by the housing line l1 institute frame of same chain sheet 1 around, can residual one section netted garbage area 15 1 of adjacent in twos chain sheet around this housing line 11.
Chain-sheet of chain 1 was the mode with the true edge 101 that favours steel plate 10 on making in the past, the several rows of chain sheet 1 that obliquely on steel plate 10, punches out, and die-cut back is at this netted garbage area 15 of 1 reservation of chain sheet in twos.The arrangement mode of above-mentioned manufacture method and chain sheet 1, can be on steel plate 10 a residual chip size with not die-cut before identical netted waste material, even if this netted waste material is through bending, whole volume is still very bulk, therefore this netted waste material is being deposited, is all being taken up space very much in the carrying, and the processing cost of waste material is also higher.In addition, netted garbage area 15 residual also can be caused can die-cut chain sheet 1 negligible amounts, increases the material cost of chain on making, the disappearance that manufacture method produced of chain-sheet of chain 1 in the past that Here it is.
[summary of the invention]
The purpose of this invention is to provide a kind of no netted waste material, and waste material deposit and carrying on save space, cost, and can save the manufacture method and the die cutting die thereof of the chain-sheet of chain of the no netted waste material that material reduces cost.
In order to achieve the above object, the invention provides a kind of manufacture method of not having the chain-sheet of chain of netted waste material, can on a steel plate, punch out the chain sheet of most sheet chains, described steel plate comprises: two true edges parallel to each other, and the initial line together and that compartment of terrain, the left and right sides is connected between two true edges stops the limit, and this chain sheet comprises: a housing line, the end of two intervals and positions in the housing line, an and waist that is engaged between both ends, on each end, distinctly be provided with a perforation, and comprise the interior segmental arc of two sections and waist correspondence on this housing line, four sections sections of extending out of the top bottom of corresponding end respectively, and two end segmental arcs that is engaged between homonymy two section of extending out lateral borders, the wherein outer arc curvature of the inner arc curvature of segmental arcs and the section of extending out cooperation in these; It is characterized in that: this manufacture method comprises:
Punching: on steel plate die-cut two row between left and right every single-column punch, and two row between left and right every biserial perforation, the line of centres of two row's single-column punches and two row's biserial perforation all is parallel to the true edge of steel plate, wherein the height position of biserial perforation is in the central authorities of two adjacent single-column punches, and the position, the left and right sides of biserial perforation and position are in the central authorities of two single-column punches;
Die-cut single-row chain sheet: the initial line that rises by steel plate punches out row's single-row chain sheet off and on toward stopping the limit, the housing line of each single-row chain sheet all contain two rows on the steel plate between left and right every single-column punch;
Die-cut single-row waste material: the waste material that will be connected between the adjacent two single-row chain sheets in the left and right sides thrusts, the section of extending out on the biserial of the moulding simultaneously chain sheet; And thrust moulding biserial chain sheet: the waste material between the adjacent biserial chain sheet of the left and right sides is thrust the end segmental arc of these biserial chain sheets of moulding simultaneously.
The manufacture method of the chain-sheet of chain of described no netted waste material is characterized in that: these punchings, die-cut single-row chain sheet, die-cut single-row waste material and die-cut biserial waste material are to carry out synchronously.
The present invention also provides a kind of die cutting die that utilizes the chain-sheet of chain of the no netted waste material that above-mentioned manufacture method makes the chain sheet, can on a steel plate, punch out most sheet chain sheets, described steel plate comprises: two true edges parallel to each other, and the initial line together and that compartment of terrain, the left and right sides is connected between two true edges stops the limit, and this chain sheet comprises: a housing line, the end of two intervals and positions in the housing line, an and waist that is engaged between both ends, on each end, distinctly be provided with a perforation, and comprise the interior segmental arc of two sections and waist correspondence on this housing line, four sections sections of extending out of the top bottom of corresponding end respectively, and two pairs of end segmental arcs that are engaged between two section of extending out lateral borders, wherein outer arc curvature of the inner arc curvature of segmental arc and the section of extending out cooperates in these; And this die cutting die can cut out the chain sheet with above-mentioned structure, comprises: a punch die and a bed die;
It is characterized in that:
This punch die has a bottom surface towards bed die, on the bottom surface, have separately a charging limit and a discharging limit, and this punch die has more from this bottom surface down outstanding and arrange biserial punching bars by the charging limit toward two of discharging limit arrangement, the single-row punching bar of two rows, one row's punching bar, the single-row waste material jumper bar of one row, and row's biserial waste material jumper bar, wherein the line of centres position of these biserial punching bars is in the central authorities of the line of centres of the single-row punching bar of two rows, and all horizontal corresponding single-row punching bar of these punching bars and single-row waste material jumper bar, these biserial waste material jumper bars are then laterally corresponding with biserial punching bar; And this bed die is provided with several shrinkage pools that shape and punching bar, punching bar, waste material jumper bar cooperate.
The die cutting die of the chain-sheet of chain of described no netted waste material is characterized in that: the expansion tangent plane that distinctly has the section of extending out of at least one moulding chain sheet towards the position of biserial perforation on this single-row waste material jumper bar.
The die cutting die of the chain-sheet of chain of described no netted waste material is characterized in that: the end grain that distinctly has the end segmental arc of at least one moulding chain sheet towards the position of biserial perforation on this biserial waste material jumper bar.
The die cutting die of the chain-sheet of chain of described no netted waste material is characterized in that: this punch die has more the several guide bars outstanding from this bottom surface, and this bed die has more several guide holes that can supply guide bar to stretch into.
In sum, the manufacture method of the chain-sheet of chain of no netted waste material of the present invention and die cutting die thereof, can on a steel plate, punch out most sheet chain sheets, can be under the prerequisite of waste material not, reach the purpose of no netted waste material, make waste material deposit and carrying on save space, cost, and can save material and reduce production costs.
Borrow the cooperation of above-mentioned punching bar, punching bar, waste material jumper bar and shrinkage pool position, can be when punching out single-row chain sheet and biserial chain sheet, the position is die-cut into small pieces in the lump at the waste material between the adjacent chain sheet in twos, can make things convenient for the processing of waste material.
[description of drawings]
The present invention is described in detail below in conjunction with drawings and Examples:
Figure 1A, 1B, 1C are existing chain-sheet of chain work flow sketches, and the process of existing general chain-sheet of chain by the die-cut chaining sheet of a steel plate is described.
Fig. 2 is a three-dimensional exploded view, and a preferred embodiment of die cutting die of the present invention and the corresponding relation of a steel plate are described.
Fig. 3 is the side view of a chain-sheet of chain, and this chain sheet is that the die cutting die with this preferred embodiment of the present invention makes.
Fig. 4 is the processing plane figure of a steel plate, the state the when preferred embodiment that manufacture method of the present invention is described begins that steel plate carried out punching processing.
Fig. 5 is the processing plane figure of a similar Fig. 4, and the state of punching is for the second time carried out in the preferred embodiment that this manufacture method is described to steel plate.
Fig. 6 is the processing plane figure of a similar Fig. 4, the state the when preferred embodiment that this manufacture method is described is carried out single-row chain sheet Punching Technology to steel plate.
Fig. 7 is the processing plane figure of a similar Fig. 4, the state a when preferred embodiment of this manufacture method of demonstration is carried out die-cut single-row waste material and thrust biserial chain sheet steel plate among the figure.
Fig. 8 is a three-dimensional exploded view, and the state when the present invention utilizes this die cutting die to punch out chain sheet and waste material is described.
[specific embodiment]
Consult Fig. 2,3, chain-sheet of chain 2 of the present invention is die-cut and get on a steel plate 20 by a die cutting die 3 sequencing batch, above-mentioned steel plate 20 comprises: two parallel true edges 201, and between left and right every and the initial line together 202, that is engaged on 201 of two true edges stop limit 203, wherein play initial line 202 and termination limit 203 is parallel.And this chain sheet 2 comprises: the curved housing line of an arc 21, two between left and right every and the end 22 of position in housing line 21, an and reduced width and be engaged on the waist 23 at 22 at both ends, one perforation 221 distinctly is set on each end 22, and this housing line 21 has corresponding and interior segmental arc indent up and down of two sections and waist 23 211, four sections out of the ordinary and interior segmental arcs 211 in succession and the section of extending out 212 of corresponding end 22, and two sections end segmental arcs 213 that are engaged on 212 of homonymy two sections of extending out, the inner arc curvature of segmental arc 211 cooperates with the outer arc curvature of the section of extending out 212 in wherein being somebody's turn to do.
Die cutting die 3 of the present invention comprises: one up punch die 4 and one below bed die 5, wherein this punch die 4 has a bottom surface 41 towards bed die 5,41 of this bottom surfaces have a charging limit 411, a discharging limit 412 parallel to each other in the longitudinal direction, and two sides 413 that vertically are engaged on 412 on charging limit 411 and discharging limit, " row " of the following stated are meant parallel with side 413, and that described " row " is meant is vertical with side 413.And this punch die 4 have more from the bottom surface 41 down outstanding and by charging limit 411 toward the discharging limits the single-row punching bar 43 of 412 two row's biserial punching bars 42, two rows that arrange, row's punching bar 44, the single-row waste material jumper bar 45 of a row, row's biserial waste material jumper bar 46, and most bottom surface 41 and down outstanding guide bar 47 of being distributed in.
Wherein these punching bars 42,43 all be used for the same chain sheet 2 of moulding two the perforation 221, above-mentioned two row's biserial punching bars 42 are corresponding about being, the line of centres 421 of the body of rod about two on the punching bar 42 arranged side by side also is parallel to the side 413 of bottom surface 41, and the line of centres 431 of the body of rod is also parallel with side 413 on the single-row punching bar 43 of two rows, wherein, the line of centres 421 and position are in the central authorities of two adjacent lines of centres 431.And these punching bars 44 are to be arranged in parallel toward another sides 413 by a side 413 wherein equally spacedly, and and single-row punching bar 43 be and be horizontally disposed with, function is to punch out the housing line 211 of chain sheet 2, and the area of each chain sheet jumper bar 44 all can be contained the adjacent single-row punching bar 43 in the two row left and right sides.
And these waste material jumper bars 45,46 all are the waste materials that is used for thrusting on the steel plate 20, make script be netted waste material and can be thrust into a section slight fragment, wherein single-row waste material jumper bar 45 and single-row punching bar about 43 corresponding positions are on same straight line, all comprise one or two expansion tangent plane 451 towards biserial perforation 221 on each single-row waste material jumper bar 45, above-mentioned expansion tangent plane 451 is to be used for the section of extending out 212 of moulding chain sheet 2.And these biserial waste material jumper bars 46 are equidistantly to be arranged in 413 of dual-sides, and each biserial waste material jumper bar 46 distinctly comprises two distinctly towards the end grains 461 of biserial perforation 221, and these end grains 461 are to be used for the end segmental arc 213 of moulding chain sheet 2.
And the shape of this bed die 5 and punch die 4 match, just an end face 51 of this bed die 5 is provided with: and several first shrinkage pools 52 and several second shrinkage pools 53 of punching bar 44 correspondences and several the 3rd shrinkage pools 54 of single-row waste material jumper bar 45 correspondences of punching bar 42,43 correspondences, with several the 4th shrinkage pools 55 of biserial waste material jumper bar 46 correspondences, and and guide bar 47 about the correspondence guide hole 56.
Ginseng Fig. 4,5, manufacture method of the present invention is that this manufacture method comprises with these die cutting die 3 die-cut chain sheets 2: punching, die-cut single-row chain sheet 2, die-cut single-row waste material, and thrust steps such as moulding biserial chain sheet, after carrying out one section processing stroke, aforementioned each step will be carried out synchronously.That is to say, the designed bed die 5 of the present invention is mounted in the fixed position, and this punch die 4 be start up and down reciprocatingly rely on or away from this bed die 5, the initial line 202 that rises that adds this steel plate 20 in man-hour is intermittently 412 to be transferred toward the discharging limits by the charging limit 411 of punch die 4 continuously with one section predetermined stroke.When one section predetermined stroke of steel plate 20 shift-ins and punch die 4 carry out primary punching press action, because the position near charging limit 411 on the punch die 4 is two row's biserial punching bars 42, therefore can punch out the two rows perforation 221 parallel with steel plate 20 direct of travels on steel plate 20, above-mentioned predetermined stroke is 2 times of 221 distances of two row's perforation.By that analogy, when steel plate 20 for the second time during the above-mentioned predetermined stroke of shift-ins, the row of four on the punch die 4 punching bar 42,43 all can corresponding steel plate 20, and punches out four rows' perforation 221 on steel plate 20.By that analogy, along with each charging action of steel plate 20, can in each die-cut action, on steel plate 20, punch out two row's single-column punches 221 and two row's biserials perforation 221 simultaneously.The line of centres of above-mentioned two row's single-column punches 221 and two row's biserial perforation 221 all is parallel to the true edge 201 of steel plate 20, wherein the height position of biserial perforation 221 is in the central authorities of two adjacent single-column punches 221, and the position, the left and right sides of biserial perforation 221 is a central authorities at two single-column punches 221 also.
Consult Fig. 2,6,7, when steel plate 20 continues intermittently charging, and during the single-column punch 221 of at first past discharge end 412 shift-ins of punching bar 44 correspondences, along with pressing down of this punch die 4, except can punching out aforementioned two row's single-column punches 221 and two row's biserial perforation 221, also can punch out five single-row chain sheets 2 of distinctly containing two single-column punches 221 simultaneously, by that analogy, intermittent once more charging along with steel plate 20, on steel plate 20, can punch out second row's single-row chain sheet 2 once again, when several rows of punched of single-row chain sheet 2, will residual one section single-row waste material 24 at two 2 adjacent of single-row chain sheets of the left and right sides.When discharge end 412 shift-ins of aforementioned single-row waste material 24 along with the past punch die 4 of steel plate 20 continuation, and seasonable with 45 pairs of single-row waste material jumper bars on the punch die 4, and these single-row waste materials 24 will be thrust.What be worth further specifying is, because the expansion tangent plane 451 of these single-row waste material jumper bars 45 is to be oppositely arranged towards biserial perforation 221, therefore can constitute four strips and level after die-cut in the biserial unit of true edge 201, the position of each biserial unit setting and biserial 221 correspondences of boring a hole can form one section biserial waste material 25 in two biserials perforation 221 and two other 221 of biserial perforation.That is to say that so-called biserial unit is by a section biserial waste material 25 at interval, and blocks of not punched as yet biserial chain sheet 2 links herein.
Consult Fig. 2,7,8, when steel plate 20 continues to transfer toward the discharge end 412 of punch die 4, when making biserial waste material 25 corresponding to the biserial waste material jumper bar 46 of punch die 4, die-cut by these biserial waste material jumper bars 46, except can punching out four biserial chain sheets 2 arranged in a straight line, each two ends, chain sheet 2 left and right sides is more because the end cambered surface 461 on the biserial waste material jumper bar 46 and forms two end segmental arcs 213 that are engaged on 212 of the two homonymy sections of extending out.That is to say, when the space that steel plate 20 is fed to 221 of initial two couple perforation corresponds to biserial waste material jumper bar 46, can punch out five single-row chain sheets 2, four biserial chain sheets 2 simultaneously in once die-cut action, be die-cut into five sections single-row waste materials 24 and four sections biserial waste materials 25 with originally being netted waste material simultaneously, reach the purpose of no netted waste material whereby.
By above explanation as can be known, the present invention makes the inner arc curvature of interior segmental arc 211 of chain sheet 2 and the design of the section of extending out 212 outer arc curvatures cooperation, not only when die-cut, can allow 2 adjacent of chain sheets of two row not have space and waste material fully, each waste material jumper bar 45 on the punch die 4,46 design, more the sheet material that originally is netted binding can be thrust single-row waste material 24 and the biserial waste material 25 that is small size, above-mentioned design is because the waste material 24 of segment, 25 shared volumes are very little, therefore in the carrying of waste material with handle all more netted person and come conveniently, its material cost and waste disposal cost also can more be saved.Compare with the manufacture method of Fig. 1 according to the applicant is actual, the present invention can more known person save about 6.08% on the cost of material, so the manufacture method of this chain-sheet of chain 2 of the present invention and die cutting die 3 are not only novel, have more and have or not waste netted material, waste material to deposit and transport save space, and save effects such as material reduces cost.
Claims (6)
1. the manufacture method of the chain-sheet of chain of a no netted waste material, be die-cut most sheet chain-sheet of chain on a steel plate, described steel plate comprises: two true edges parallel to each other, and the initial line together and that compartment of terrain, the left and right sides is connected between this two true edge stops the limit, and this chain sheet comprises: a housing line, the end of two intervals and positions in this housing line, an and waist that is engaged between these both ends, on each end, distinctly be provided with a perforation, and comprise the interior segmental arc of two sections and waist correspondence on this housing line, four sections sections of extending out of the top bottom of corresponding end respectively, and two end segmental arcs that is engaged between homonymy two section of extending out lateral borders, wherein this each in the inner arc curvature of segmental arc and the outer arc curvature cooperation of the section of extending out; It is characterized in that: this manufacture method comprises:
Punching: certainly on this steel plate die-cut two row between left and right every single-column punch, and two row between left and right every biserial perforation, the line of centres of two row's single-column punches and two row's biserial perforation all is parallel to the true edge of this steel plate, wherein the height position of this biserial perforation is in the central authorities of two adjacent single-column punches, and the position, position, the left and right sides of this biserial perforation is in the central authorities of two single-column punches;
Die-cut single-row chain sheet: the initial line that rises by this steel plate punches out row's single-row chain sheet off and on toward stopping the limit, the housing line of each single-row chain sheet all contain two rows on the steel plate between left and right every single-column punch;
Die-cut single-row waste material: the waste material that will be connected between the adjacent two single-row chain sheets in the left and right sides thrusts, the section of extending out on the biserial of the moulding simultaneously chain sheet; And thrust moulding biserial chain sheet: the waste material between the adjacent biserial chain sheet of the left and right sides is thrust the end segmental arc of this each biserial chain sheet of moulding simultaneously.
2. do not have the manufacture method of the chain-sheet of chain of netted waste material according to claim 1, it is characterized in that: this each punching, die-cut single-row chain sheet, die-cut single-row waste material and die-cut biserial waste material step are to carry out synchronously.
3. the die cutting die of the chain-sheet of chain of a no netted waste material, can on a steel plate, punch out most sheet chain sheets, described steel plate comprises: two true edges parallel to each other, and the initial line together and that compartment of terrain, the left and right sides is connected between two true edges stops the limit, and this chain sheet comprises: a housing line, the end of two intervals and positions in the housing line, an and waist that is engaged between both ends, on each end, distinctly be provided with a perforation, and comprise the interior segmental arc of two sections and waist correspondence on this housing line, four sections sections of extending out of the top bottom of corresponding end respectively, and two pairs of end segmental arcs that are engaged between this two sections of extending out lateral border, wherein the outer arc curvature of the inner arc curvature of this each interior segmental arc and this section of extending out cooperates; And this die cutting die can cut out the chain sheet with above-mentioned structure, and this die cutting die comprises: a punch die and a bed die; It is characterized in that:
This punch die has a bottom surface towards this bed die, on this bottom surface, have separately a charging limit and a discharging limit, and this punch die also has from this bottom surface down outstanding and arrange biserial punching bars by this charging limit toward two of discharging limit arrangement, the single-row punching bar of two rows, one row's punching bar, the single-row waste material jumper bar of one row, and row's biserial waste material jumper bar, wherein the line of centres position of this each biserial punching bar is in the central authorities of the line of centres of the single-row punching bar of this two row, and this each punching bar and single-row waste material jumper bar be all laterally to should single-row punching bar, and this each biserial waste material jumper bar is then laterally corresponding with this biserial punching bar; And this bed die is provided with several shrinkage pools of shape and this punching bar, punching bar, the cooperation of waste material jumper bar.
4. as the die cutting die of the chain-sheet of chain of no netted waste material as described in the claim 3, it is characterized in that: the expansion tangent plane that distinctly has the section of extending out of at least one moulding chain sheet towards the position of this biserial perforation on this single-row waste material jumper bar.
5. as the die cutting die of the chain-sheet of chain of no netted waste material as described in the claim 3, it is characterized in that: the end grain that distinctly has the end segmental arc of at least one moulding chain sheet towards the position of this biserial perforation on this biserial waste material jumper bar.
6. as the die cutting die of the chain-sheet of chain of no netted waste material as described in the claim 3, it is characterized in that: this punch die also has the severals guide bars outstanding from this bottom surface, and this bed die also has several guide holes that this guide bar of confession stretches into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02142873.5A CN1212906C (en) | 2002-09-23 | 2002-09-23 | Production process of chains and chain pieces without net shaped waste meterials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02142873.5A CN1212906C (en) | 2002-09-23 | 2002-09-23 | Production process of chains and chain pieces without net shaped waste meterials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485166A CN1485166A (en) | 2004-03-31 |
| CN1212906C true CN1212906C (en) | 2005-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02142873.5A Expired - Lifetime CN1212906C (en) | 2002-09-23 | 2002-09-23 | Production process of chains and chain pieces without net shaped waste meterials |
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| Country | Link |
|---|---|
| CN (1) | CN1212906C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372629B (en) * | 2012-04-28 | 2015-04-01 | 岳盟企业股份有限公司 | Manufacturing method of chain parts |
| CN102886487B (en) * | 2012-09-28 | 2015-05-27 | 湖北虎牌链条制造有限责任公司 | Stamping process for straight-plate conveying chain |
| CN104368746A (en) * | 2014-11-19 | 2015-02-25 | 杭州持正科技有限公司 | Chain part progressive die secondary blanking technology |
| CN104741505B (en) * | 2015-03-25 | 2016-08-24 | 杭州东华链条集团有限公司 | A kind of manufacture method of silent chain carrier bar |
| CN105081196B (en) * | 2015-09-01 | 2017-05-10 | 杭州东华链条集团有限公司 | Chain, K-type accessory plate and automatic punch forming technology of accessory plate |
| DE102017102931A1 (en) * | 2017-02-14 | 2018-08-16 | Iwis Motorsysteme Gmbh & Co. Kg | Method for producing low-waste link plates |
| CN113492194A (en) * | 2021-09-09 | 2021-10-12 | 徐州市威尔玛科技有限公司 | Metal stamping equipment for producing chain |
| CN114393173B (en) * | 2022-01-06 | 2024-04-02 | 杭州萧山万隆链条制造有限公司 | Manufacturing method of chain |
-
2002
- 2002-09-23 CN CN02142873.5A patent/CN1212906C/en not_active Expired - Lifetime
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|---|---|
| CN1485166A (en) | 2004-03-31 |
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