CN208853562U - A stamping die for metal shrapnel - Google Patents
A stamping die for metal shrapnel Download PDFInfo
- Publication number
- CN208853562U CN208853562U CN201821541116.6U CN201821541116U CN208853562U CN 208853562 U CN208853562 U CN 208853562U CN 201821541116 U CN201821541116 U CN 201821541116U CN 208853562 U CN208853562 U CN 208853562U
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- China
- Prior art keywords
- die
- elastic slice
- stamping
- stamping die
- feed direction
- 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.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title description 3
- 238000005452 bending Methods 0.000 claims abstract description 34
- 238000004080 punching Methods 0.000 claims abstract description 33
- 238000009966 trimming Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims description 23
- 238000007493 shaping process Methods 0.000 claims description 13
- 229910003460 diamond Inorganic materials 0.000 claims description 10
- 239000010432 diamond Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a stamping die for hardware spring plates, which comprises an upper die base, an upper backing plate, a convex template, a stripper plate, a concave template and a lower die base; the stamping die further comprises an elastic sheet feeding groove and an elastic sheet discharging groove which are respectively arranged at the two transverse ends of the stamping die; the lower die base is provided with a guide post which extends vertically, and the guide post can be movably inserted into a shaft sleeve arranged at the corresponding position of the upper die base to match the die assembly/demolding of the stamping die; the convex die plate is provided with a plurality of forming convex dies, the plurality of forming dies comprise a side edge punching die, a trimming die, a special-shaped hole die, a bending die and a cutting die which are arranged along the feeding direction of the elastic sheet, and the plurality of forming dies can penetrate through the discharging plate and are matched and corresponding to a side edge punching part, a trimming part, a special-shaped hole punching part, a bending part and a cutting part which are sequentially arranged along the feeding direction of the elastic sheet by the concave die plate; the forming dies are matched with the concave die plate to sequentially punch the side edges, cut edges, punch special-shaped holes, bend and cut the elastic sheet material to form the single elastic sheet.
Description
Technical field
The utility model relates to hardware processing technique field, especially a kind of stamping die of hardware elastic slice.
Background technique
Stamping die is the mold separated for sheet metal forming and blanking, including blanking die, bending die, Drawing Die and
Plunging die etc..In stamping die, by mold cavity to sheet forming, plate is implemented by the punching cutting edge of stamping die
Separation or cutting.Only one station of most common stamping die completes one of production process.It, can will be more to improve productivity
Road stamping procedure, such as make plate in a station in a stamping die blanking, drawing, punching, trimming process step design
Upper completion multi-step forming processes, this stamping die are known as compound die.
Stamping die generally includes upper die and lower die, upper mould fixed plate, lower mold fixed plate, guiding device, positioning device and unloads
Expect device.Wherein guiding device is guide pillars and bushes structure, and guide post and guide sleeve cooperate, and guide post can slide in guide sleeve, be oriented to
Device realizes Sheet Metal Forming Technology for guiding upper die and lower die orientation alignment.
It is one of existing hardware elastic slice with reference to attached drawing 1, including main part 001 and two sides (002,
003), wherein two sides (002,003) is with respect to the vertically bending of main part 100, and two sides (002,003) to main part
001 bending place brake forming dome-shaped interconnecting piece 004, forms diamond hole on main part 001.Be in practical preparation pass through by
Elastic slice material is prepared by punching, trimming, bending and severing.Corresponding such extraordinary elastic slice usually needs to pass through stamping die
Tool is to complete to prepare.And it is complete by the multiple stamping procedures of multiple stamping dies point when in the prior art to the preparation of this kind of elastic slice
At, therefore, it is necessary to multiple stamping dies, the increase of stamping die necessarily causes the increase of production cost；Secondly, multiple punching presses
Mold matching is necessarily required to large-scale board to complete to work continuously, and equipment cost increases, and will cause the public affairs of converted products
Difference is accumulative, causes the precision of product not high.So the creator of the application combines itself production and the market demand, one kind is designed
Integrate the stamping die of the hardware elastic slice of multiple stamping procedures
Utility model content
The technical issues of solution of the utility model is to provide one kind five for above-mentioned existing defect in the prior art
The stamping die of golden elastic slice, the stamping die are integrated with multiple stamping procedures, energy integrated punching preparation molding elastic slice, stamping die
Machining accuracy is high, long service life.
To solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows: a kind of stamping die of hardware elastic slice
Tool, including upper die holder, upper padding plate, convex template, stripper, concave template and lower die holder are set gradually from top to bottom；It further include setting up separately
In the elastic slice feed well and elastic slice blanking groove of stamping die transverse ends；The lower die holder sets vertically extending guide post and described leads
Column movable can be inserted into and be located in the axle sleeve of upper die holder corresponding position, match molding/demoulding of the stamping die；The punch-pin
Plate is equipped with several forming convax moulds, and several shaping moulds include the side edge piercing die being arranged along the feed direction of elastic slice, trimming
Mould, special-shaped casement, bending die and severing mould, several shaping moulds can be through the strippers and with the concave template along elastic slice
Feed direction set gradually side edge punching portion, trimming portion, rush special-shaped hole portion, bending section and cutting portion matching and correspond to；It is described
Several shaping moulds cooperate the concave template elastic slice material is successively carried out to side edge punching, trimming, rushes irregularly-shaped hole, bending and severing and
The elastic slice of addition monomers.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the also fixed stock guide in two sides of the vertical feed direction in the concave template upper surface, two lead
Flitch interval is arranged and matches the deflector chute to form output elastic slice material.
In the above-mentioned technical solutions, stripper bottom end extension protrude out match in structure with deflector chute carve platform,
When the stamping die molds, this is carved platform and inlays the elastic slice material for matching in deflector chute and limiting and conveying along feed direction.
In the above-mentioned technical solutions, the quadrangle of the lower die holder is all provided with a guide post, and the quadrangle of the corresponding upper die holder is set
The axle sleeve matched.
In the above-mentioned technical solutions, the convex template is connect by bolt with the upper die holder with upper padding plate, the cavity plate
Plate and the lower die holder are also by being bolted.
In the above-mentioned technical solutions, the quadrangle of the upper die holder sets guide pin at the axle sleeve position, and the guide pin is perpendicular
It is connect to after being stretched out through upper padding plate and convex template and from convex template bottom end with stripper；Spring is worn on the guide pin, it is described
Spring keeps stripper vertically movable and in stamping die demoulding to molding elastic slice progress de- material for providing damping.
In the above-mentioned technical solutions, the side edge piercing die includes two sheet stamping knives, and two sheet stamping knives are in vertical stamping die
The two sides for having feed direction are symmetrical arranged, the two rectangle hole slot of position fovea superior system in concave template matching side edge punching portion；Institute
State stamping die molding, two sheet stamping knives made to pour matched rectangle hole slot, matching to the elastic slice conveyed along feed direction into
The punching of row side.
In the above-mentioned technical solutions, the edger includes two arranged symmetrically in the two sides of vertical stamping die feed direction
Trimming stamping knife, each trimming stamping knife includes integrally formed cutter body and cutter carves mouth, and the cutter body is length
Rectangular cutter body, it is that isosceles trapezoid cutter carves mouth, the position fovea superior system in concave template matching trimming portion that the cutter, which carves mouth,
There is the groove to match in structure with edger；The stamping die molding, makes two trimming stamping knives pour corresponding groove,
It matches and carries out trimming along the elastic slice material that feed direction conveys.
In the above-mentioned technical solutions, the special-shaped casement is diamond shape stamping knife, and irregularly-shaped hole position is rushed in matching on the concave template
The place of setting is recessed to be formed with diamond groove；The stamping die molding, the abnormity casement pour in diamond groove vertically downwards, matching pair
Elastic slice along feed direction conveying carries out rushing irregularly-shaped hole；The bending die is square drift, and the square drift bottom end is interior upwards
Concave arc connected in star, the position that bending section is matched on the concave template are equipped with the bending lower die docked with square drift activity；Institute
Stamping die molding is stated, dock the bending die with bending lower die and is bent to along the elastic slice that feed direction conveys
Type；The two triangular prism punch dies that the severing mould is integrally formed and two apex angles are oppositely arranged match severing on the concave template
It is equipped at portion position and matches in structure punching with severing mould；The stamping die molding, makes the severing stamping enter matching
Punching in, matching single elastic slice will be cut into along the elastic slice that feed direction conveys.
Compared with prior art, the utility model has the beneficial effects that: the elastic slice stamping die of the utility model, convex
Several shaping moulds are installed in template bottom end, and shaping mould includes side edge piercing die, edger, special-shaped casement, bending die and severing mould,
Compound more stamping procedures in a set of stamping die, energy integrated punching preparation molding elastic slice, the machining accuracy of stamping die is high, uses
Service life is long.
Detailed description of the invention
Fig. 1 is the product schematic diagram of the utility model stamping die punching press
Fig. 2 is the stereoscopic schematic diagram of the utility model stamping die；
Fig. 3 is the decomposition diagram of the utility model stamping die；
Fig. 4 is the installation diagram of the utility model convex template and several forming convax moulds；
Fig. 5 is the installation diagram of the utility model lower die holder and concave template；
Fig. 6 is the schematic diagram of the utility model mould punching process.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
A kind of attached drawing 2-5 example specific embodiment of the utility model, the utility model are a kind of rushing for hardware elastic slice
Compression mould, it includes setting gradually upper die holder 1, upper padding plate 2, convex template 3, stripper 4, concave template 5 and lower die holder from top to bottom
6；It further include the elastic slice feed well 7 and elastic slice blanking groove 8 set up separately in stamping die transverse ends (X-direction, feed direction)；It is described
Lower die holder 1 sets vertically extending guide post 9 and the guide post 9 movable can be inserted into the axle sleeve 10 for being located at 1 corresponding position of upper die holder
It is interior, molding/demoulding of the stamping die is matched, in the present embodiment, the quadrangle of the lower die holder 6 is all provided with a guide post 9, corresponding
The quadrangle of the upper die holder 1 sets matched axle sleeve 10；The bottom end of the convex template 3 is equipped with several forming convax moulds 12, described several
Shaping mould 12 includes the side edge piercing die 121, edger 122, special-shaped casement being arranged along the feed direction (X-direction) of elastic slice
123, bending die 124 and severing mould 125, several shaping moulds 12 can be (corresponding in the stripper 4 through the stripper 4
Be equipped with side edge piercing die 121, edger 122, special-shaped casement 123, bending die 124 and the matched slot of severing mould 125, make
Each shaping mould 12 can run through the stripper 4) and the side edge that sets gradually with the feed direction on the concave template 5 along elastic slice rush
Hole portion 501, trimming portion 502 rush special-shaped hole portion 503, bending section 504 and the matching correspondence of cutting portion 505；Several shaping moulds
The 12 cooperations concave template 5 and the side edge punching portion 501 being located on concave template 5, rush special-shaped hole portion 503, bending at trimming portion 502
The elastic slice material of disjunctor successively carries out side edge punching, trimming by portion 504 and cutting portion 505, rushes irregularly-shaped hole, bending and severing forms
The elastic slice of type monomer.
In the present embodiment, with reference to attached drawing 2-5, preferably, the vertical feed direction (side Y in 5 upper surface of the concave template
To) the also fixed stock guide 13 in two sides, two stock guides 13 interval be arranged simultaneously match to be formed output elastic slice material deflector chute 005；
The 4 bottom end extension of stripper protrude out match in structure with deflector chute 005 carve platform 41, when the stamping die molds,
This is carved platform 41 and inlays the elastic slice material for matching in deflector chute 005 and limiting and conveying along feed direction (X-direction).
In the present embodiment, with reference to attached drawing 2-5, preferably, the convex template 3 and upper padding plate 2 pass through bolt 14 and institute
The connection of upper die holder 1 is stated, the concave template 5 is connect with the lower die holder 6 also by bolt 14；The quadrangle of the upper die holder 1 is close
Guide pin 15 is set at 10 position of axle sleeve, the guide pin 15 is vertically stretched through upper padding plate 2 and convex template 3 and from 3 bottom end of convex template
It is connect after out with stripper 4；Spring 16 is worn on the guide pin 15, the spring 16 keeps stripper 4 vertical for providing damping
(direction Z) is mobile and carries out de- material to molding elastic slice in stamping die demoulding.
In the present embodiment, with reference to attached drawing 2-5, preferably, the side edge piercing die 121 includes two sheet stamping knives
1211, two sheet stamping knives 1211 are symmetrical arranged in the two sides of vertical stamping die feed direction (Y-direction), the concave template 5
Two rectangle hole slot 51 of position fovea superior system with side edge punching portion 501；The stamping die molding, rushes two sheet stamping knives 1211
Enter matched rectangle hole slot 51, matches and side punching is carried out to the elastic slice conveyed along feed direction (X-direction)；The edger
122 include two vertical stamping die feed direction (Y-direction) the symmetrically arranged trimming stamping knife 1221 in two sides, it is each described to cut
Side stamping knife 1221 includes integrally formed cutter body and cutter carves mouth, and the cutter body is rectangle cutter body, described
It is that isosceles trapezoid cutter carves mouth that cutter, which carves mouth, and the position fovea superior that the concave template 5 matches trimming portion 502 is formed in structure and cuts
The groove 52 that side mode 122 matches；The stamping die molding, makes two trimming stamping knives 1221 pour corresponding groove 52, matches
Trimming is carried out to the elastic slice material conveyed along feed direction (direction X)；The abnormity casement 123 is diamond shape stamping knife, the cavity plate
It is recessed at 503 position of the special-shaped hole portion of matching punching on plate 5 to be formed with diamond groove 53；The stamping die molding, the abnormity casement 123
Vertically (Z-direction) pours in diamond groove 53 downwards, and matching carries out the elastic slice conveyed along feed direction to rush irregularly-shaped hole；The bending
Mould 124 is square drift, and the upward concave arc groove in square drift bottom end matches bending section 524 on the concave template 5
Position is equipped with the bending lower die 54 docked with square drift activity；Stamping die molding, make the bending die 124 with it is curved
Bent lower die 54, which is docked, is simultaneously manually bent the elastic slice conveyed along feed direction (X-direction), in practice for two sides (002,
003) vertical bending is carried out, and molds dome-shaped interconnecting piece 004；The severing mould 125 is integrally formed and two apex angles are opposite
Two triangular prism punch dies being arranged are matched on the concave template 5 and are equipped at 505 position of cutting portion with severing mould 125 in structure
Match punching 55；The stamping die molding, pours the severing mould 505 in matched punching 55, matching will be along feeding
The elastic slice of direction (X-direction) conveying is cut into single elastic slice.
The elastic slice stamping die of the present embodiment installs several shaping moulds 12 in 5 bottom end of convex template, and shaping mould 12 includes side edge
Piercing die 121, edger 122, special-shaped casement 123, bending die 124 and severing mould 125, compound more punchings in a set of stamping die
Press process, energy integrated punching preparation molding elastic slice, the machining accuracy height of stamping die, long service life.
Do not limit the technical scope of the present invention above, it is all according to the utility model technical spirit to
On embodiment made by any modification, equivalent variations and modification, in the range of the technical solution for still falling within the utility model.
Claims (9)
1. a kind of stamping die of hardware elastic slice, it is characterised in that: including setting gradually upper die holder, upper padding plate, convex from top to bottom
Template, stripper, concave template and lower die holder；It further include elastic slice feed well and the elastic slice blanking set up separately in stamping die transverse ends
Slot；The lower die holder sets vertically extending guide post and the guide post movable can be inserted into the axle sleeve for being located at upper die holder corresponding position
It is interior, match molding/demoulding of the stamping die；The convex template is equipped with several forming convax moulds, several shaping mould packets
Include side edge piercing die, edger, special-shaped casement, bending die and the severing mould of the feed direction setting along elastic slice, it is described it is several at
Pattern can be through the stripper and with the concave template along the side edge punching portion that the feed direction of elastic slice is set gradually, trimming
Portion rushes special-shaped hole portion, bending section and cutting portion matching correspondence；Several shaping moulds cooperate the concave template by elastic slice material according to
Secondary progress side edge punching, trimming, the elastic slice for rushing irregularly-shaped hole, bending and severing and addition monomers.
2. a kind of stamping die of hardware elastic slice according to claim 1, which is characterized in that hang down the concave template upper surface
The also fixed stock guide in two sides of straight feed direction, two stock guide intervals are arranged and match the deflector chute to form output elastic slice material.
3. a kind of stamping die of hardware elastic slice according to claim 2, it is characterised in that, stripper bottom end extension
Protrude out the platform of carving to match in structure with deflector chute, when the stamping die molds, this is carved platform and inlays matches in deflector chute
Limit the elastic slice material conveyed along feed direction.
4. a kind of stamping die of hardware elastic slice according to any one of claims 1 to 3, it is characterised in that: the lower die
The quadrangle of seat is all provided with a guide post, and the quadrangle of the corresponding upper die holder sets matched axle sleeve.
5. a kind of stamping die of hardware elastic slice according to claim 4, it is characterised in that, the convex template and upper padding plate
It is connect by bolt with the upper die holder, the concave template and the lower die holder are also by being bolted.
6. a kind of stamping die of hardware elastic slice according to claim 5, it is characterised in that, the quadrangle of the upper die holder is leaned on
Set guide pin at the nearly axle sleeve position, the guide pin vertically run through upper padding plate and convex template and stretched out from convex template bottom end after with unload
Flitch connection；Spring is worn on the guide pin, the spring keeps stripper vertically movable and in stamping die for providing damping
De- material is carried out to molding elastic slice when demoulding.
7. a kind of stamping die of hardware elastic slice according to claim 6, it is characterised in that, the side edge piercing die includes
Two sheet stamping knives, two sheet stamping knives are symmetrical arranged in the two sides of vertical stamping die feed direction, and the concave template matches side edge
The two rectangle hole slot of position fovea superior system in punching portion；The stamping die molding, makes two sheet stamping knives pour matched rectangle
Hole slot matches and carries out side punching to the elastic slice conveyed along feed direction.
8. a kind of stamping die of hardware elastic slice according to claim 6, it is characterised in that, the edger include two
The symmetrically arranged trimming stamping knife in two sides of vertical stamping die feed direction, each trimming stamping knife includes integrally formed cuts
Knife ontology and cutter carve mouth, and the cutter body is rectangle cutter body, and it is that isosceles trapezoid cutter carves mouth that the cutter, which carves mouth,
The position fovea superior in concave template matching trimming portion is formed with the groove to match in structure with edger；The stamping die is closed
Mould makes two trimming stamping knives pour corresponding groove, matches and carries out trimming to the elastic slice material conveyed along feed direction.
9. a kind of stamping die of hardware elastic slice according to claim 6, it is characterised in that, the abnormity casement is diamond shape
Stamping knife, matching, which is rushed, on the concave template recessed at irregularly-shaped hole portion position is formed with diamond groove；The stamping die molding, the abnormity
Casement pours in diamond groove vertically downwards, and matching carries out the elastic slice conveyed along feed direction to rush irregularly-shaped hole；The bending die
For square drift, the upward concave arc groove in square drift bottom end is matched on the concave template and is set on the position of bending section
There is the bending lower die docked with square drift activity；The stamping die molding, docks the bending die simultaneously with bending lower die
It is manually bent to along the elastic slice that feed direction conveys；The severing mould is integrally formed and two apex angles are oppositely arranged two or three
Angle prism punch die, matches on the concave template to be equipped at cutting portion position and matches in structure punching with severing mould；The punching
Compression mould molding, enters the severing stamping in matched punching, and matching will be cut into individually along the elastic slice that feed direction conveys
Elastic slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821541116.6U CN208853562U (en) | 2018-09-20 | 2018-09-20 | A stamping die for metal shrapnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821541116.6U CN208853562U (en) | 2018-09-20 | 2018-09-20 | A stamping die for metal shrapnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208853562U true CN208853562U (en) | 2019-05-14 |
Family
ID=66418621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821541116.6U Expired - Fee Related CN208853562U (en) | 2018-09-20 | 2018-09-20 | A stamping die for metal shrapnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208853562U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405072A (en) * | 2019-07-23 | 2019-11-05 | 刘旭 | A kind of metal clips stamping die |
| CN110860607A (en) * | 2019-10-15 | 2020-03-06 | 苏州木星电子有限公司 | High-efficient terminal stamping die |
| CN111356315A (en) * | 2020-04-03 | 2020-06-30 | 天津地博海融电气科技有限公司 | Rack installation roof beam reinforcement and erection joint structure |
| CN111451375A (en) * | 2020-04-16 | 2020-07-28 | 冉光全 | Anti-skip stamping die |
| CN111940598A (en) * | 2020-06-10 | 2020-11-17 | 郑剑波 | Mould for stamping precise hardware |
| CN113770247A (en) * | 2021-09-24 | 2021-12-10 | 宁波美高五金科技有限公司 | Metal buckle does not have waste material multistation and advances mould |
| CN114309282A (en) * | 2021-12-31 | 2022-04-12 | 厦门市尚明达机电工业有限公司 | Progressive die structure for machining row-inserting copper columns |
| CN118002681A (en) * | 2024-03-06 | 2024-05-10 | 绍兴市威克精密机械有限公司 | Three-blade punching unit, copper strip automatic punching machine and processing method |
| CN118768468A (en) * | 2024-07-24 | 2024-10-15 | 无锡三众模具有限公司 | A multi-pass stamping die |
-
2018
- 2018-09-20 CN CN201821541116.6U patent/CN208853562U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405072A (en) * | 2019-07-23 | 2019-11-05 | 刘旭 | A kind of metal clips stamping die |
| CN110860607A (en) * | 2019-10-15 | 2020-03-06 | 苏州木星电子有限公司 | High-efficient terminal stamping die |
| CN111356315A (en) * | 2020-04-03 | 2020-06-30 | 天津地博海融电气科技有限公司 | Rack installation roof beam reinforcement and erection joint structure |
| CN111451375A (en) * | 2020-04-16 | 2020-07-28 | 冉光全 | Anti-skip stamping die |
| CN111451375B (en) * | 2020-04-16 | 2021-10-19 | 东莞市联加泰五金制品有限公司 | Anti-skip stamping die |
| CN111940598A (en) * | 2020-06-10 | 2020-11-17 | 郑剑波 | Mould for stamping precise hardware |
| CN113770247A (en) * | 2021-09-24 | 2021-12-10 | 宁波美高五金科技有限公司 | Metal buckle does not have waste material multistation and advances mould |
| CN114309282A (en) * | 2021-12-31 | 2022-04-12 | 厦门市尚明达机电工业有限公司 | Progressive die structure for machining row-inserting copper columns |
| CN114309282B (en) * | 2021-12-31 | 2023-08-11 | 厦门市尚明达机电工业有限公司 | Progressive die structure for machining row-plug copper columns |
| CN118002681A (en) * | 2024-03-06 | 2024-05-10 | 绍兴市威克精密机械有限公司 | Three-blade punching unit, copper strip automatic punching machine and processing method |
| CN118002681B (en) * | 2024-03-06 | 2024-12-31 | 绍兴市威克精密机械有限公司 | Three-knife punching unit, copper strip automatic punching machine and processing method |
| CN118768468A (en) * | 2024-07-24 | 2024-10-15 | 无锡三众模具有限公司 | A multi-pass stamping die |
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Granted publication date: 20190514 Termination date: 20210920 |