CN104043727A - Fastener machining method and fastener continuous die - Google Patents
Fastener machining method and fastener continuous die Download PDFInfo
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- CN104043727A CN104043727A CN201410274580.3A CN201410274580A CN104043727A CN 104043727 A CN104043727 A CN 104043727A CN 201410274580 A CN201410274580 A CN 201410274580A CN 104043727 A CN104043727 A CN 104043727A
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- material strip
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- securing member
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- 238000003754 machining Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 74
- 238000005452 bending Methods 0.000 claims abstract description 68
- 238000005520 cutting process Methods 0.000 claims description 27
- 239000000543 intermediate Substances 0.000 claims description 21
- 238000007493 shaping process Methods 0.000 claims description 15
- 238000010079 rubber tapping Methods 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The invention relates to a fastener machining method and device. Middle pieces symmetrically hunching are cut on a material strip in the transverse direction of the material strip and is drawn by a drawing mechanism into a barrel body, the middle of the barrel body is punched into a through hole and turned up, and then the barrel body is changed into a straight barrel body. Operation is carried out at the position between every two middle bodies, the hunching position of the front middle body is cut, symmetrical wing planes are formed at the hunching position, a side blocking plane is formed at the end of the front middle body, and the end of the back middle body is cut into a bearing plane with the straight edge. The two sides of the plane where the root of the straight barrel body is located and the middle bodies are split to form an overturn plane only connected with the middle bodies on one side provided a via hole, and the part between the overturn plane and the wing planes is a basic plane. A fastener is obtained through multiple times of bending and forming operation. The material strip is operated in an impulse mode many times on a plurality of adjacent stations in sequence, then the fastener can be formed, work efficiency is improved, an error caused by an existing machining method is avoided, production cost is reduced, and product quality is improved.
Description
Technical field
The present invention relates to continuous mould field, is especially a kind of securing member processing method and securing member continuous mould.
Background technology
As shown in Figure 1, Figure 2 and shown in Fig. 3, the flank face 12 that this securing member comprises straight barrel 11 on the upset face of being positioned at, be positioned at straight barrel week side and lateral part surface 13, the loading end 14 parallel with upset face and be positioned at the connecting ring 15 in the middle part of loading end, upset face is connected with loading end by connecting side 16, connecting ring one side be connected with loading end and and loading end between be 15 degree angles, the inside of straight barrel has internal thread, is positioned at straight barrel upper end opening ovalize.Describe as front, the textural anomaly complexity of this securing member, the cost that adopts the independent operation of multiple tracks to process it by existing processing method is higher, and the relative positional accuracy relation between securing member each several part is difficult to ensure, the percent defective of producing this securing member by existing processing method is higher, and economic benefit is poor.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, and a kind of securing member continuous mould and securing member processing method are provided, and is specifically realized by following technical scheme:
A kind of securing member processing method, material strip is fed in securing member continuous mould, and on each station of material strip in securing member continuous mould, pulsed moves, and by the each several part of securing member continuous mould, material strip is carried out to following operation successively: on material strip, go out locating hole; Then on material strip, cut out along the middleware of material strip lateral symmetry protuberance, this middleware is connected with material strip along the longitudinal one end of material strip, and the other end departs from material strip; Drawing mechanism goes out barrel by 7 drawing operations drawing in the middle of bump pad; Middle part at barrel rushes through hole; Through hole is carried out to flange operation, make barrel become straight barrel; In straight barrel, after tapping internal thread, by hole extruding machine, straight barrel end ovalize is eliminated and is made in the part internal thread extruding that is positioned at straight barrel end by mould tapping machine; In the operation of the middle part of adjacent two intermediates, the bump pad of last intermediate is carried out to blank, make bump pad form symmetrical flank face, and form lateral part surface in the end of intermediate, cut out the straight loading end in edge in the end of a rear intermediate; Middle clout to flank face and lateral part surface excises, and the interface point inner side at flank face and lateral part surface punches out two via holes, only punch out and pass through 2 connecting rings that are connected with material strip in a side at loading end middle part, between connecting ring and straight barrel, cut out the resigning hole of rectangle; Make it vertical with material strip plane two flank face bendings; Between two via holes and connecting hole, cutting off operation is communicated with respectively two via holes with connecting hole, the upset face that formation is only connected with intermediate in via hole one side is isolated to intermediate in plane both sides, straight barrel root place, and the part between upset face and flank face is basal plane; The upset bending that faces down is made it to be 30 degree angles with basal plane, and lateral part surface forms 60 degree angles under the effect of corresponding mould and between upset face, meanwhile connecting ring downward bending is made it to be 15 degree angles with loading end; Carry out repeatedly bending operation in resigning hole both sides and make to be 30 degree angles between loading end and basal plane, intermediate keeps straight formation to connect side at resigning hole place; Final upset face is parallel with loading end obtains described securing member.
Described securing member continuous mould, it further designs and is to comprise the drawing mechanism, the first material cutting mechanism and the second material cutting mechanism that are set in turn between upper bolster and die shoe, forms the middleware in different processing stages corresponding with multiple stations under the effect at the material strip between upper bolster, die shoe in described each mechanism, described drawing mechanism comprises the many groups drawing assembly being successively set in adjacent stations, and the drawing diameter of each drawing assembly reduces gradually, and drawing depth progressively increases, and makes the middle part of middleware form barrel, described the first material cutting mechanism comprises one group of first blank assembly corresponding with the both lateral sides part of material strip, described the first blank assembly comprises respectively and upper bolster, the first blank punch and the first blank die that die shoe connects, the middle part of described the first blank punch is to the middle part projection of material strip, one side of high spot is straight cut, its opposite side has angular cutouts, the end corresponding with angular cutouts end has salient point otch, this first material cutting mechanism makes adjacent middleware form respectively the straight loading end in edge and edge has flank face, the upset face of lateral part surface, part in the middle of described upset face and loading end is for being connected side, described the second material cutting mechanism comprises one group of machining hole blank assembly and multiple clout excision assembly.
Described securing member continuous mould, its further design be to be provided with successively punch mechanism, flange body, mould tapping machine and hole extruding machine on the corresponding station between described drawing mechanism and the first material cutting mechanism.
Described securing member continuous mould, its further design be to be provided with on the follow-up station of described the second material cutting mechanism by upset bending the first bending mechanism that faces down.
Described securing member continuous mould, its further design be the borderline phase pair between Bending Mould and flank face and the upset face of described the first bending mechanism, by two step bending operations make two flank faces and upset face orthogonal.
Described securing member continuous mould, it further designs and is also to comprise the second bending mechanism, bent reshaping mechanism, the 3rd bending mechanism, the 4th bending mechanism and the 5th bending mechanism that are successively set on the follow-up station of the first bending mechanism, described the second bending mechanism is relative with described connecting ring and upset face, make to form 15 degree angles between connecting ring and loading end, when making upset face and material strip plane form 30 degree angle, make to form between lateral part surface and upset face 60 degree angles; Described bent reshaping mechanism carries out shaping to the angle between lateral part surface and upset face; The equal Bending Mould of described the 3rd bending mechanism, the 4th bending mechanism and the 5th bending mechanism follows the junction between upset face and loading end relative with connection side, keep connecting under the straight prerequisite in side by bending operation repeatedly make basal plane and loading end respectively with is connected the angles that form 60 degree, 90 degree, 105 degree between side, thereby make to form between basal plane and loading end 30 angle upset faces and loading end keeping parallelism.
Described securing member continuous mould, it further designs and is, the follow-up station of described the 5th bending mechanism is provided with the second bent reshaping mechanism, described the second bent reshaping mechanism comprises patrix connecting plate, a pair of bent reshaping upper die and lower die connecting plate and a pair of bent reshaping counterdie, and described a pair of bent reshaping patrix is fixedly installed on upper bolster downside by patrix connecting plate, described a pair of bent reshaping counterdie slide in opposition is arranged on the counterdie being fixedly installed on die shoe and connects, it is domatic that the lower end of described a pair of bent reshaping patrix is symmetrically arranged with mutually driving, the part that bent reshaping counterdie is relative with bent reshaping patrix is provided with described driving domatic towards relative passive domatic, in the time that described bent reshaping patrix moves down with upper bolster by driving passive domatic two the bent reshaping counterdies move toward one another on counterdie connecting plate that makes of domatic extruding, the side that two bent reshaping counterdies face one another is provided with shaping working face, described two shaping working faces are respectively horizontal by 75 degree, 105 degree angles, two shaping working faces carry out shaping to loading end and basal plane respectively and guarantee to be between loading end and basal plane 30 degree angles, two bent reshaping counterdies are connected with counterdie connecting plate elasticity by spring respectively.
The present invention carries out material strip successively pulsed operation on adjacent multiple stations can form described securing member, and the error that has improved production efficiency and avoided existing processing mode to bring, has improved product quality when reducing production costs.
Brief description of the drawings
Fig. 1 is the axonometric drawing of securing member.
Fig. 2 is the top view of securing member.
Fig. 3 is the side view of securing member.
Fig. 4 is part Layout corresponding to drawing operation.
The part Layout that Fig. 5 is punching, flange, plastic operation is corresponding.
Fig. 6 is part Layout corresponding to tapping operation.
Fig. 7 is the part Layout that squeezes hole, blank and flank face bending operation.
Fig. 8 is that multiple tracks bending operation is until the part Layout of final product moulding.
Fig. 9 is securing member continuous mould overall structure schematic diagram.
Figure 10 is the second bending mechanism structural representation.
Figure 11 is bent reshaping mechanism structure schematic diagram.
Figure 12 is the 4th bending mechanism structural representation.
Figure 13 is the 5th bending mechanism structural representation.
Figure 14 is the second bent reshaping mechanism structure schematic diagram.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, the present invention is further described.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the flank face 12 that this securing member of this securing member comprises straight barrel 11 on the upset face of being positioned at 17, be positioned at straight barrel week side and lateral part surface 13, the loading end 14 parallel with upset face and be positioned at the connecting ring 15 in the middle part of loading end, upset face is connected with loading end by connecting side 16, connecting ring one side be connected with loading end and and loading end between be 15 degree angles, the inside of straight barrel has internal thread, is positioned at straight barrel upper end opening ovalize.
The processing method of above-mentioned securing member is as follows, material strip 2 is fed in securing member continuous mould, on each station of material strip in securing member continuous mould, pulsed moves, and by the each several part of securing member continuous mould, material strip is carried out to following operation successively: on material strip, go out locating hole 21; Then on material strip, cut out along the middleware 22 of material strip lateral symmetry protuberance, this middleware 22 is connected with material strip along the longitudinal one end of material strip, and the other end departs from material strip; Drawing mechanism goes out barrel 23 by 7 drawing operations drawing in the middle of bump pad; Rush through hole 24 at the middle part of barrel; Through hole is carried out to flange operation, make barrel become straight barrel 25; As shown in Figure 6, Figure 7, in straight barrel, after tapping internal thread, by hole extruding machine, straight barrel end ovalize is eliminated and is made in the part internal thread extruding that is positioned at straight barrel end by mould tapping machine, because mould tapping machine takes up room greatlyr, be all empty step station at the several stations in the front and back of tapping station g19; The first material cutting mechanism is in the operation of the middle part of adjacent two intermediates, the bump pad of last intermediate is carried out to blank, make bump pad form symmetrical flank face 12, and form lateral part surface 13 in the end of intermediate, cut out the straight loading end in edge 14 in the end of a rear intermediate; Middle clout to flank face and lateral part surface excises, and the interface point inner side at flank face and lateral part surface punches out two via holes 26, only punch out at loading end 14 middle parts and pass through 2 connecting rings that are connected with material strip 15 in a side, between connecting ring and straight barrel, cut out the resigning hole 27 of rectangle; Make it vertical with material strip plane two flank face bendings; Between two via holes and connecting hole, cutting off operation is communicated with respectively two via holes with connecting hole, the upset face 17 that formation is only connected with intermediate in via hole one side is isolated to intermediate in plane both sides, straight barrel root place, and the part between upset face 17 and flank face 12 is basal plane 29; The upset bending that faces down is made it to be 30 degree angles with basal plane, and lateral part surface 13 forms 60 degree angles under the effect of corresponding mould and between upset face, meanwhile connecting ring 15 downward bendings is made it to be 15 degree angles with loading end; Carry out repeatedly bending operation in resigning hole 27 both sides and make to be 30 degree angles between loading end and basal plane, intermediate keeps straight formation to connect side 16 at resigning hole place; Final upset face is parallel with loading end obtains described securing member.
Securing member continuous mould comprises that the drawing mechanism 3, the first material cutting mechanism and the second material cutting mechanism that are set in turn between upper bolster and die shoe (do not mark in figure, can infer the shape of punch and the corresponding die of two material cutting mechanisms in conjunction with station g24, g25 in general knowledge known in this field and Layout), under the effect at the material strip between upper bolster, die shoe in each mechanism, form the middleware in different processing stages corresponding with multiple stations, drawing mechanism comprises the many groups drawing assembly being successively set in adjacent stations, and the drawing diameter of each drawing assembly reduces gradually, and drawing depth progressively increases, and makes the middle part of middleware form barrel, the first material cutting mechanism comprises one group of first blank assembly corresponding with the both lateral sides part of material strip, the first blank assembly comprises respectively and upper bolster, the first blank punch 4 and the first blank die that die shoe connects, the middle part of the first blank punch 4 is to the middle part projection of material strip, one side of high spot is straight cut, its opposite side has angular cutouts, the end corresponding with angular cutouts end has salient point otch, (serving as a mark with 4 in Layout of the first blank punch, the section configuration that is shaped as the first blank punch of mark 4 corresponding positions, the shape of the first blank die is corresponding with the shape of the first blank punch, do not make separate marking) this first material cutting mechanism makes adjacent middleware form respectively the straight loading end in edge and edge has flank face, the upset face of lateral part surface, part in the middle of upset face and loading end is for being connected side, the second material cutting mechanism comprises one group of machining hole blank assembly and multiple clout excision assembly.
On corresponding station between drawing mechanism and the first material cutting mechanism, be provided with successively punch mechanism, flange body, mould tapping machine and hole extruding machine (each mechanism is prior art, and each mechanism installation site can draw in conjunction with Layout, in figure, does not mark) herein.
On the follow-up station of the second material cutting mechanism, be provided with face down the first bending mechanism of bending of upset.
Borderline phase pair between Bending Mould and flank face and the upset face of the first bending mechanism, by two step bending operations make two flank faces and upset face orthogonal, as shown in station g26, g27 in Fig. 7.
Securing member continuous mould also comprises the second bending mechanism 5, bent reshaping mechanism 6, the 3rd bending mechanism, the 4th bending mechanism 7 and the 5th bending mechanism 8 that are successively set on the follow-up station of the first bending mechanism, the second bending mechanism is relative with connecting ring and upset face, make to form 15 degree angles between connecting ring and loading end, when making upset face and material strip plane form 30 degree angle, make to form between lateral part surface and upset face 60 degree angles; Bent reshaping mechanism carries out shaping to the angle between lateral part surface and upset face; The equal Bending Mould of the 3rd bending mechanism, the 4th bending mechanism and the 5th bending mechanism follows the junction between upset face and loading end relative with connection side, keep connecting under the straight prerequisite in side by bending operation repeatedly make basal plane and loading end respectively with is connected the angles that form 60 degree, 90 degree, 105 degree between side, thereby make to form between basal plane and loading end 30 angle upset faces and loading end keeping parallelism.
The follow-up station of the 5th bending mechanism is provided with the second bent reshaping mechanism 9, the second bent reshaping mechanism comprises patrix connecting plate 91, a pair of bent reshaping patrix 92, counterdie connecting plate 93 and a pair of bent reshaping counterdie 94, and a pair of bent reshaping patrix is fixedly installed on upper bolster downside by patrix connecting plate, a pair of bent reshaping counterdie slide in opposition is arranged on the counterdie being fixedly installed on die shoe and connects, the lower end of a pair of bent reshaping patrix is symmetrically arranged with mutually and drives domatic 97, the part that bent reshaping counterdie is relative with bent reshaping patrix be provided with drive domatic towards relative passive domatic 95, in the time that bent reshaping patrix moves down with upper bolster by driving passive domatic two the bent reshaping counterdies move toward one another on counterdie connecting plate that makes of domatic extruding, the side that two bent reshaping counterdies face one another is provided with shaping working face 96, two shaping working faces are respectively horizontal by 75 degree, 105 degree angles, two shaping working faces carry out shaping to loading end and basal plane respectively and guarantee to be between loading end and basal plane 30 degree angles, two bent reshaping counterdies are connected with counterdie connecting plate elasticity by spring 98 respectively.
The present invention carries out material strip successively pulsed operation on adjacent multiple stations can form described securing member, and the error that has improved production efficiency and avoided existing processing mode to bring, has improved product quality when reducing production costs.
Claims (7)
1. a securing member processing method, it is characterized in that, material strip is fed in securing member continuous mould, and on each station of material strip in securing member continuous mould, pulsed moves, and by the each several part of securing member continuous mould, material strip is carried out to following operation successively: on material strip, go out locating hole; Then on material strip, cut out along the middleware of material strip lateral symmetry protuberance, this middleware is connected with material strip along the longitudinal one end of material strip, and the other end departs from material strip; Drawing mechanism goes out barrel by 7 drawing operations drawing in the middle of bump pad; Middle part at barrel rushes through hole; Through hole is carried out to flange operation, make barrel become straight barrel; In straight barrel, after tapping internal thread, by hole extruding machine, straight barrel end ovalize is eliminated and is made in the part internal thread extruding that is positioned at straight barrel end by mould tapping machine; Material cutting mechanism is in the operation of the middle part of adjacent two intermediates, the bump pad of last intermediate is carried out to blank, make bump pad form symmetrical flank face, and form lateral part surface in the end of intermediate, cut out the straight loading end in edge in the end of a rear intermediate; Middle clout to flank face and lateral part surface excises, and the interface point inner side at flank face and lateral part surface punches out two via holes, only punch out and pass through 2 connecting rings that are connected with material strip in a side at loading end middle part, between connecting ring and straight barrel, cut out the resigning hole of rectangle; Make it vertical with material strip plane two flank face bendings; Between two via holes and connecting hole, cutting off operation is communicated with respectively two via holes with the hole at connecting ring place, the upset face that formation is only connected with intermediate in via hole one side is isolated to intermediate in plane both sides, straight barrel root place, and the part between upset face and flank face is basal plane; The upset bending that faces down is made it to be 30 degree angles with basal plane, and lateral part surface forms 60 degree angles under the effect of corresponding mould and between upset face, meanwhile connecting ring downward bending is made it to be 15 degree angles with loading end; Carry out repeatedly bending operation in resigning hole both sides and make to be 30 degree angles between loading end and basal plane, intermediate keeps straight formation to connect side at resigning hole place; Final upset face is parallel with loading end obtains described securing member.
2. a securing member continuous mould as claimed in claim 1, it is characterized in that comprising the drawing mechanism, the first material cutting mechanism and the second material cutting mechanism that are set in turn between upper bolster and die shoe, under the effect at the material strip between upper bolster, die shoe in described each mechanism, form the middleware in different processing stages corresponding with multiple stations, described drawing mechanism comprises the many groups drawing assembly being successively set in adjacent stations, and the drawing diameter of each drawing assembly reduces gradually, and drawing depth progressively increases, and makes the middle part of middleware form barrel, described the first material cutting mechanism comprises one group of first blank assembly corresponding with the both lateral sides part of material strip, described the first blank assembly comprises respectively and upper bolster, the first blank punch and the first blank die that die shoe connects, the middle part of described the first blank punch is to the middle part projection of material strip, one side of high spot is straight cut, its opposite side has angular cutouts, the end corresponding with angular cutouts end has salient point otch, this first material cutting mechanism makes adjacent middleware form respectively the straight loading end in edge and edge has flank face, the upset face of lateral part surface, part in the middle of described upset face and loading end is for being connected side, described the second material cutting mechanism comprises one group of machining hole blank assembly and multiple clout excision assembly.
3. securing member continuous mould according to claim 1, is characterized in that, on the corresponding station between described drawing mechanism and the first material cutting mechanism, is provided with successively punch mechanism, flange body, mould tapping machine and hole extruding machine.
4. securing member continuous mould according to claim 2, is characterized in that, on the follow-up station of described the second material cutting mechanism, is provided with the first bending mechanism, shut-off mechanism.
5. securing member continuous mould according to claim 4, is characterized in that, the borderline phase pair between Bending Mould and flank face and the upset face of described the first bending mechanism, by two step bending operations make two flank faces and upset face orthogonal.
6. securing member continuous mould according to claim 2, characterized by further comprising the second bending mechanism, bent reshaping mechanism, the 3rd bending mechanism, the 4th bending mechanism and the 5th bending mechanism that are successively set on the follow-up station of the first bending mechanism, described the second bending mechanism is relative with described connecting ring and upset face, make to form 15 degree angles between connecting ring and loading end, when making upset face and material strip plane form 30 degree angle, make to form between lateral part surface and upset face 60 degree angles; Described bent reshaping mechanism carries out shaping to the angle between lateral part surface and upset face; The equal Bending Mould of described the 3rd bending mechanism, the 4th bending mechanism and the 5th bending mechanism follows the junction between upset face and loading end relative with connection side, make basal plane and loading end between side, form 60 degree, 90 degree, 105 angles of spending with being connected respectively keeping connecting under the straight prerequisite in side by bending operation repeatedly, thereby it is parallel with loading end to make to form between basal plane and loading end 30 angle upset faces.
7. securing member continuous mould according to claim 6, it is characterized in that, the follow-up station of described the 5th bending mechanism is provided with the second bent reshaping mechanism, described the second bent reshaping mechanism comprises patrix connecting plate, a pair of bent reshaping upper die and lower die connecting plate and a pair of bent reshaping counterdie, and described a pair of bent reshaping patrix is fixedly installed on upper bolster downside by patrix connecting plate, described a pair of bent reshaping counterdie slide in opposition is arranged on the counterdie being fixedly installed on die shoe and connects, it is domatic that the lower end of described a pair of bent reshaping patrix is symmetrically arranged with mutually driving, the part that bent reshaping counterdie is relative with bent reshaping patrix is provided with described driving domatic towards relative passive domatic, in the time that described bent reshaping patrix moves down with upper bolster by driving passive domatic two the bent reshaping counterdies move toward one another on counterdie connecting plate that makes of domatic extruding, the side that two bent reshaping counterdies face one another is provided with shaping working face, described two shaping working faces are respectively horizontal by 75 degree, 105 degree angles, two shaping working faces carry out shaping to loading end and basal plane respectively and guarantee to be between loading end and basal plane 30 degree angles, two bent reshaping counterdies are connected with counterdie connecting plate elasticity by spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274580.3A CN104043727B (en) | 2014-06-18 | 2014-06-18 | A kind of securing member processing method and securing member continuous mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274580.3A CN104043727B (en) | 2014-06-18 | 2014-06-18 | A kind of securing member processing method and securing member continuous mould |
Publications (2)
| Publication Number | Publication Date |
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| CN104043727A true CN104043727A (en) | 2014-09-17 |
| CN104043727B CN104043727B (en) | 2016-02-24 |
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| CN201410274580.3A Expired - Fee Related CN104043727B (en) | 2014-06-18 | 2014-06-18 | A kind of securing member processing method and securing member continuous mould |
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Cited By (5)
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| CN105436318A (en) * | 2015-12-31 | 2016-03-30 | 上海昶宏汽车配件有限公司 | Progressive die for machining shell of automobile starting motor |
| CN106807835A (en) * | 2017-02-21 | 2017-06-09 | 安徽汇精模具研发科技有限公司 | Ultraprecise, onlap miscellaneous high breaking striking Pressing technology of bracket and mould |
| CN106891132A (en) * | 2017-01-19 | 2017-06-27 | 杭州吉众机电股份有限公司 | Hard disk box base process equipment and its processing method |
| CN107214245A (en) * | 2017-06-14 | 2017-09-29 | 江苏博俊工业科技股份有限公司 | The progressive die even cuts band folded structure |
| CN112548578A (en) * | 2019-09-25 | 2021-03-26 | Ykk株式会社 | Method and apparatus for manufacturing component for buckle stopper |
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| US6418611B1 (en) * | 1997-06-17 | 2002-07-16 | Gr Spring & Stamping, Inc. | Progressive die machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105436318A (en) * | 2015-12-31 | 2016-03-30 | 上海昶宏汽车配件有限公司 | Progressive die for machining shell of automobile starting motor |
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| CN106807835B (en) * | 2017-02-21 | 2018-10-26 | 安徽汇精智能工业科技有限公司 | Ultraprecise onlaps miscellaneous high breaking striking Pressing technology of bracket and mold |
| CN107214245A (en) * | 2017-06-14 | 2017-09-29 | 江苏博俊工业科技股份有限公司 | The progressive die even cuts band folded structure |
| CN112548578A (en) * | 2019-09-25 | 2021-03-26 | Ykk株式会社 | Method and apparatus for manufacturing component for buckle stopper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104043727B (en) | 2016-02-24 |
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