CN219188370U - Continuous stamping forming die - Google Patents
Continuous stamping forming die Download PDFInfo
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- CN219188370U CN219188370U CN202320277458.6U CN202320277458U CN219188370U CN 219188370 U CN219188370 U CN 219188370U CN 202320277458 U CN202320277458 U CN 202320277458U CN 219188370 U CN219188370 U CN 219188370U
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- 238000004891 communication Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 25
- 239000000758 substrate Substances 0.000 description 23
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 238000009776 industrial production Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A continuous stamping forming die comprising: the die comprises a die holder, at least two die plates, a top die holder, at least two top die plates, an upper leveling plate and a lower leveling plate, wherein a plurality of stamping grooves are formed in the second face of each die plate, a plurality of stamping blocks are arranged on the second face of each top die plate, each stamping block is movably arranged in one stamping groove, the upper leveling plate is arranged on the first face of the top die holder, the upper leveling plate is arranged between two adjacent top die plates, the lower leveling plate is arranged on the first face of the die holder, the lower leveling plate is arranged between two adjacent die plates, and the lower leveling plates and the upper leveling plates are arranged at intervals. Through being provided with leveling board and lower leveling board, can carry out pressfitting flattening to the tablet of accomplishing the punching press and handle for the tablet is level and smooth, avoids the tablet to carry out the flattening again with the evener after continuous stamping forming, thereby saves artificial input, has saved processing procedure, thereby has improved production efficiency greatly, is favorable to improving output.
Description
Technical Field
The utility model relates to the technical field of stamping processing equipment, in particular to a continuous stamping forming die.
Background
The continuous stamping die is a processing die capable of connecting and stamping the material sheets, that is, by continuously stamping the material sheets for a plurality of times, the continuous stamping die can meet the requirement of stamping processing of complex structures of multiple holes, and is widely applied in industrial production, for example, the processing of hardware also needs to be performed by using the continuous stamping die.
However, since the continuous stamping forming die performs stamping processing on the web many times, in the stamping process, the web is prone to the undesirable phenomena of uneven products, such as burrs, tilting and the like, and then the web needs to be leveled and leveled again by a leveling machine after continuous stamping forming, more labor is required, the processing procedure is complex, and therefore, the production efficiency is low and the yield is low.
Disclosure of Invention
Based on this, it is necessary to provide a continuous press forming die.
The technical scheme for solving the technical problems is as follows: a continuous stamping forming die comprising:
a bottom die holder;
the first surface of each bottom template is respectively connected with the first surface of the bottom die seat, each bottom template is adjacently arranged, the second surface of each bottom template is provided with a plurality of stamping grooves, and the stamping grooves are mutually arranged at intervals;
the top die base and the bottom die plate are arranged at intervals;
the first surface of each top template is connected with the first surface of the top template seat respectively, each top template is adjacently arranged, the second surface of each top template is provided with a plurality of stamping blocks, the stamping blocks are mutually arranged at intervals, and each stamping block is movably arranged in one stamping groove;
the upper leveling plate is arranged on the first surface of the top die base and is arranged between two adjacent top die plates; and
The lower leveling plates are arranged on the first surface of the bottom die base, the lower leveling plates are arranged between two adjacent bottom die plates, and the lower leveling plates and the upper leveling plates are arranged at intervals.
In one embodiment, the upper leveling plate comprises an upper substrate body and a plurality of upper leveling blocks, wherein the first surface of the upper substrate body is connected with the first surface of the top die seat, each upper leveling block is detachably connected with the second surface of the upper substrate body, and each upper leveling block is arranged at intervals.
In one embodiment, the lower leveling plate comprises a lower substrate body and a plurality of lower leveling blocks, wherein the first surface of the lower substrate body is connected with the first surface of the bottom die base, each lower leveling block is detachably connected with the second surface of the lower substrate body, and each lower leveling block is arranged at intervals.
In one embodiment, the upper leveling plate further comprises an upper adjusting plate body, wherein a first surface of the upper adjusting plate body is connected with a second surface of the upper base plate body, and the second surface of the upper adjusting plate body is connected with each upper leveling block.
In one embodiment, the lower leveling plate further comprises a lower leveling plate body, a first face of the lower leveling plate body is connected with a second face of the lower base plate body, and the second face of the lower leveling plate body is connected with each lower leveling block.
In one embodiment, the upper plate further comprises a plurality of first bolts, the upper base plate body is provided with a plurality of first threaded holes, the upper adjusting plate body is provided with a plurality of first communication holes, each upper leveling block is provided with a first through hole, and each first bolt penetrates through one first through hole and one first communication hole to be in threaded connection with the inner side wall of one first threaded hole.
In one embodiment, the lower plate further comprises a plurality of second bolts, the lower base plate body is provided with a plurality of second threaded holes, the lower adjusting plate body is provided with a plurality of second communication holes, each lower leveling block is provided with a second through hole, and each second bolt penetrates through one second through hole and one second communication hole to be in threaded connection with the inner side wall of one second threaded hole.
In one embodiment, the bottom die further comprises a lower base plate and a plurality of cushion blocks, wherein the first ends of the cushion blocks are respectively connected with the second surface of the bottom die base, the second ends of the cushion blocks are respectively connected with the lower base plate, and the cushion blocks are mutually arranged at intervals.
In one embodiment, the bottom die further comprises a damping piece, and the damping piece is arranged on the second surface of the bottom die seat.
In one embodiment, the first surface of the bottom die base is provided with a positioning column, the first surface of the top die base is provided with a positioning groove, and the positioning column is movably arranged in the positioning groove.
Compared with the prior art, the utility model has at least the following advantages:
according to the utility model, the upper leveling plate and the lower leveling plate are arranged and respectively arranged on the top die holder and the bottom die holder, and the upper leveling plate and the lower leveling plate are arranged up and down relatively, so that the punched material sheets can be pressed and leveled, the material sheets are prevented from being leveled and leveled by a leveling machine again after being continuously punched and formed, the labor investment is saved, the processing procedures are saved, the production efficiency is greatly improved, and the yield is favorably improved.
Drawings
FIG. 1 is a schematic view of a continuous press forming die according to an embodiment;
FIG. 2 is an exploded perspective view of the continuous stamping die of FIG. 1;
FIG. 3 is an exploded perspective view of a continuous stamping die according to one embodiment;
FIG. 4 is an enlarged schematic view of FIG. 2A;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1, 2 and 3, in one embodiment, a continuous stamping forming die 10 is provided, comprising a bottom die holder 100, at least two bottom die plates 200, a top die holder 300, at least two top die plates 400, an upper leveling plate 500 and a lower leveling plate 600. The first surface of each bottom template 200 is respectively connected with the first surface of the bottom die base 100, each bottom template 200 is adjacently arranged, the second surface of each bottom template 200 is provided with a plurality of stamping grooves 210, and the stamping grooves 210 are mutually arranged at intervals. The top mold base 300 and the bottom mold plate 200 are spaced apart from each other. The first surface of each top template 400 is respectively connected with the first surface of the top template base 300, each top template 400 is adjacently disposed, the second surface of each top template 400 is provided with a plurality of stamping blocks 410, the stamping blocks 410 are mutually spaced, and each stamping block 410 is movably disposed in one stamping groove 210. The upper leveling plate 500 is disposed on the first face of the top mold base 300, and the upper leveling plate 500 is disposed between two adjacent ones of the top mold plates 400. The lower leveling plate 600 is disposed on the first surface of the bottom mold base 100, the lower leveling plate 600 is disposed between two adjacent bottom mold plates 200, and the lower leveling plate 600 and the upper leveling plate 500 are disposed at intervals.
It should be noted that, the bottom die holder 100 is a long-shaped holder structure, and can be used as a supporting installation seat, and similarly, the top die holder 300 is also a long-shaped holder structure, the top die holder 300 and the bottom die holder 100 are mutually spaced up and down and are mutually parallel, the first surface of the bottom die holder 100 is a surface facing the top die holder 300, the first surface of the top die holder 300 is a surface facing the bottom die holder 100, each bottom die plate 200 is a flat plate structure, each bottom die plate 200 is sequentially arranged and installed on the first surface of the bottom die holder 100 left and right, each top die plate 400 is a flat plate structure, each top die plate 400 is sequentially arranged and installed on the first surface of the top die holder 300 left and right, so that each top die plate 400 and each bottom die plate 200 are correspondingly arranged up and down, so that a material belt can be sequentially punched and formed from left to right for a plurality of times, the first surface and the second surface of the top die plate 400 are oppositely arranged, the first surface and the second surface of the bottom die plate 200 are oppositely arranged, the second surface of the top template 400 is a surface facing the bottom template 200, the second surface of the bottom template 200 is a surface facing the top template 400, each punch block 410 is arranged at a corresponding position on the second surface of each top template 400 according to specific perforating or slotting and cutting requirements, each punch groove 210 is correspondingly arranged on the second surface of each bottom template 200, each punch groove 210 is arranged in a one-to-one correspondence with each punch block 410, the punch grooves 210 can play a role of avoiding, so that the punch blocks 410 can punch and form the material sheet 90, specifically, part of the punch grooves 210 penetrate to the first surface of the bottom template 200, correspondingly, the corresponding positions of the bottom die holders 100 are provided with discharge holes, so that the punching and perforating operation of the material sheet 90 can be realized, when the punch grooves 210 are not arranged through the first surface of the bottom template 200, the punching and slotting operation of the material sheet 90 can be realized, in this embodiment, the upper leveling plate 500 is installed between two top templates 400 adjacent to the rightmost end, the lower leveling plate 600 is installed between two bottom templates 200 adjacent to the rightmost end, and the upper leveling plate 500 and the lower leveling plate 600 are disposed up and down oppositely, so that before the material sheet 90 is discharged, the material sheet 90 can be pressed and leveled by the upper leveling plate 500 and the lower leveling plate 600.
Specifically, the material sheet 90 is conveyed from the left end to the right end of the bottom die base 100 through the external feeding device, the material sheet 90 passes through between each bottom die plate 200 and each top die plate 400, the external driving device drives each top die plate 400 to be close to each bottom die plate 200, and accordingly stamping of the material sheet 90 is achieved, for example, the external driving device is an air cylinder, linear reciprocating motion of the top die plate 400 can be achieved, the material sheet 90 is conveyed from left to right and subjected to repeated stamping, when the material sheet moves to the right end, pressing and leveling are carried out through the upper leveling plate 500 and the lower leveling plate 600, cutting and discharging are carried out through the bottom die plate 200 and the top die plate 400 at the rightmost end, continuous stamping and forming processing of the material sheet 90 is completed, the upper leveling plate 500 and the lower leveling plate 600 are respectively arranged on the top die base 300 and the bottom die base 100, and the upper leveling plate 500 and the lower leveling plate 600 are oppositely arranged, the material sheet 90 subjected to pressing and leveling processing can be carried out, the material sheet 90 after continuous stamping and leveling is avoided, labor input is saved, and the processing efficiency is greatly improved.
Referring to fig. 2, 3, 4 and 5, in one embodiment, the up-leveling plate 500 includes an upper substrate body 510 and a plurality of upper leveling blocks 520, wherein a first surface of the upper substrate body 510 is connected to a first surface of the top mold base 300, each of the upper leveling blocks 520 is detachably connected to a second surface of the upper substrate body 510, and each of the upper leveling blocks 520 is disposed at a distance from each other. The lower leveling plate 600 includes a lower substrate body 610 and a plurality of lower leveling blocks 620, wherein a first surface of the lower substrate body 610 is connected with a first surface of the bottom die base 100, each lower leveling block 620 is detachably connected with a second surface of the lower substrate body 610, and each lower leveling block 620 is disposed at intervals. It can be appreciated that the upper substrate body 510 and the lower substrate body 610 are both in a flat plate structure, so as to play a role in supporting and installing, each upper leveling block 520 and each lower leveling block 620 are in a square block structure and are respectively detachably installed on the upper substrate body 510 and the lower substrate body 610, so that the positions of each upper leveling block 520 and each lower leveling block 620 can be correspondingly set according to the positions of the material sheets 90 to be leveled, and each upper leveling block 520 and each lower leveling block 620 are correspondingly set up and down one by one, thereby realizing accurate lamination leveling of the material sheets 90 and having better practicability.
Referring to fig. 2, 3, 4 and 5, in one embodiment, the up-adjustment plate 500 further includes an upper adjustment plate 530, a first surface of the upper adjustment plate 530 is connected to a second surface of the upper substrate 510, and a second surface of the upper adjustment plate 530 is connected to each of the upper leveling blocks 520. The lower leveling plate 600 further includes a lower leveling plate body 630, wherein a first surface of the lower leveling plate body 630 is connected to a second surface of the lower substrate body 610, and a second surface of the lower leveling plate body 630 is connected to each of the lower leveling blocks 620. It can be appreciated that by being provided with the upper adjusting plate 530 and the lower adjusting plate 630, the upper adjusting plate 530 is installed between the upper substrate 510 and each upper leveling block 520, and likewise, the lower adjusting plate 630 is installed between the lower substrate 610 and each lower leveling block 620, so that the upper adjusting plate 530 and the lower adjusting plate 630 can play a role of raising the plate, and the upper adjusting plate 530 and the lower adjusting plate 630 with different thicknesses can be replaced according to the thickness of the material sheet 90, so that the material sheet 90 with different thicknesses can be better pressed and leveled, which is beneficial to improving the practicability of the continuous stamping forming die.
Referring to fig. 4, in an embodiment, the device further includes a plurality of first bolts 700, the upper substrate body 510 is provided with a plurality of first threaded holes, the upper adjusting plate body 530 is provided with a plurality of first through holes, each of the upper leveling blocks 520 is provided with a first through hole, and each of the first bolts 700 is threaded through one of the first through holes and one of the first through holes to an inner side wall of one of the first threaded holes. It can be appreciated that by being provided with each first bolt 700, each upper leveling block 520 can be installed on the upper substrate body 510 through one-to-one thread of the first bolt 700, the installation and the disassembly are convenient, the operator can install and disassemble each upper leveling block 520 according to specific leveling positions, the operation of the operator is convenient, and the practicability is good.
Referring to fig. 5, in an embodiment, the lower substrate body 610 further includes a plurality of second bolts 800, the lower adjusting plate body 630 includes a plurality of second communicating holes, each of the lower adjusting blocks 620 includes a second through hole, and each of the second bolts 800 passes through one of the second through holes and one of the second communicating holes to be in threaded connection with an inner sidewall of one of the second threaded holes. It can be appreciated that, similarly, through being provided with each second bolt 800, can be through each lower leveling piece 620 one-to-one threaded mounting on lower base plate body 610 of second bolt 800, the installation is convenient with dismantle, and the operating personnel of being convenient for installs and dismantles each lower leveling piece 620 according to specific leveling position, and the operating personnel of being convenient for operates, and the practicality is good.
Referring to fig. 1, 2 and 3, in one embodiment, the apparatus further includes a lower pad 900 and a plurality of cushion blocks 910, wherein a first end of each cushion block 910 is respectively connected to the second surface of the bottom mold base 100, a second end of each cushion block 910 is respectively connected to the lower pad 900, and the cushion blocks 910 are disposed at intervals. It can be appreciated that, through being provided with lower bolster 900 and each cushion 910, lower bolster 900 and die block seat 100 interval and mutual parallel arrangement, each cushion 910 interval and mutual parallel arrangement each, each cushion 910 sets up perpendicularly to lower bolster 900 and die block seat 100 respectively, can play the supporting role, through being provided with lower bolster 900, can play the supporting role, install this continuous stamping forming die on specific working plane through lower bolster 900, can play the guard action to die block seat 100, be favorable to improving the life of this continuous stamping forming die, and lower bolster 900 can accept the waste material that the punching press dropped, be convenient for concentrate the collection to the waste material, the staff of being convenient for collects the processing waste material.
Referring to fig. 1 and 2, in one embodiment, the apparatus further includes a damper 920, where the damper 920 is disposed on the second surface of the bottom die base 100. It can be appreciated that, by providing the damper 920 on the second surface of the bottom die seat 100, in this embodiment, the damper 920 is provided with a plurality of damper 920, and since the continuous stamping forming mold generates a larger stamping force in the continuous stamping process, each bottom die plate 200 and each top die plate 400 is easy to damage the continuous stamping forming mold, by providing the damper 920, the damper 920 adopts an elastic member, for example, the damper 920 is a spring, and the damper 920 can play a role of dispersing stress, thereby being beneficial to buffering the buffering pressure, being beneficial to reducing the damage of the continuous stamping forming mold, and thus improving the service life of the continuous stamping forming mold.
Referring to fig. 1, 2 and 3, in one embodiment, a positioning column 110 is disposed on a first surface of the bottom mold base 100, a positioning groove 310 is disposed on a first surface of the top mold base 300, and the positioning column 110 is movably disposed in the positioning groove 310. It can be understood that, in this embodiment, the positioning columns 110 and the positioning slots 310 are respectively provided with a plurality of positioning columns 110 and positioning slots 310, each positioning column 110 and each positioning slot 310 are sequentially arranged from left to right, each positioning column 110 is correspondingly arranged with each positioning slot 310 in the upper and lower positions, and the positioning columns 110 and the positioning slots 310 are correspondingly clamped one by one, so that the accurate stamping of the material sheet 90 can be ensured, and the stamping forming precision is ensured.
Compared with the prior art, the utility model has at least the following advantages:
according to the utility model, the upper leveling plate and the lower leveling plate are arranged and respectively arranged on the top die holder and the bottom die holder, and the upper leveling plate and the lower leveling plate are arranged up and down relatively, so that the punched material sheets can be pressed and leveled, the material sheets are prevented from being leveled and leveled by a leveling machine again after being continuously punched and formed, the labor investment is saved, the processing procedures are saved, the production efficiency is greatly improved, and the yield is favorably improved.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A continuous press forming die, comprising:
a bottom die holder;
the first surface of each bottom template is respectively connected with the first surface of the bottom die seat, each bottom template is adjacently arranged, the second surface of each bottom template is provided with a plurality of stamping grooves, and the stamping grooves are mutually arranged at intervals;
the top die base and the bottom die plate are arranged at intervals;
the first surface of each top template is connected with the first surface of the top template seat respectively, each top template is adjacently arranged, the second surface of each top template is provided with a plurality of stamping blocks, the stamping blocks are mutually arranged at intervals, and each stamping block is movably arranged in one stamping groove;
the upper leveling plate is arranged on the first surface of the top die base and is arranged between two adjacent top die plates; and
The lower leveling plates are arranged on the first surface of the bottom die base, the lower leveling plates are arranged between two adjacent bottom die plates, and the lower leveling plates and the upper leveling plates are arranged at intervals.
2. The continuous stamping forming die of claim 1, wherein the upper leveling plate comprises an upper base plate body and a plurality of upper leveling blocks, the first surface of the upper base plate body is connected with the first surface of the top die seat, each upper leveling block is detachably connected with the second surface of the upper base plate body, and each upper leveling block is arranged at intervals.
3. The continuous stamping forming die of claim 1, wherein the lower leveling plate comprises a lower base plate body and a plurality of lower leveling blocks, the first surface of the lower base plate body is connected with the first surface of the bottom die seat, each lower leveling block is detachably connected with the second surface of the lower base plate body, and each lower leveling block is arranged at intervals.
4. The continuous stamping forming die of claim 2, wherein the upper leveling plate further comprises an upper leveling plate body, a first face of the upper leveling plate body being connected to a second face of the upper base plate body, the second face of the upper leveling plate body being connected to each of the upper leveling blocks.
5. The continuous stamping forming die of claim 3, wherein the lower leveling plate further comprises a lower leveling plate body, a first face of the lower leveling plate body being connected to a second face of the lower base plate body, the second face of the lower leveling plate body being connected to each of the lower leveling blocks.
6. The continuous stamping forming mold of claim 4, further comprising a plurality of first bolts, wherein the upper base plate body is provided with a plurality of first threaded holes, the upper adjusting plate body is provided with a plurality of first through holes, each upper leveling block is provided with a first through hole, and each first bolt passes through one first through hole and one first through hole to be in threaded connection with the inner side wall of one first threaded hole.
7. The continuous stamping forming mold of claim 5, further comprising a plurality of second bolts, wherein the lower base plate body is provided with a plurality of second threaded holes, the lower adjusting plate body is provided with a plurality of second communication holes, each lower leveling block is provided with a second through hole, and each second bolt passes through one second through hole and one second communication hole to be in threaded connection with the inner side wall of one second threaded hole.
8. The continuous stamping forming mold as claimed in any one of claims 1 to 7, further comprising a lower base plate and a plurality of cushion blocks, wherein a first end of each cushion block is connected to the second surface of the bottom die base, a second end of each cushion block is connected to the lower base plate, and the cushion blocks are disposed at intervals.
9. The continuous stamping forming mold as claimed in any one of claims 1 to 7, further comprising a shock absorbing member disposed on the second face of the bottom die base.
10. The continuous stamping forming mold as claimed in any one of claims 1 to 7, wherein the first face of the bottom die base is provided with a positioning post, the first face of the top die base is provided with a positioning groove, and the positioning post is movably disposed in the positioning groove.
Priority Applications (1)
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CN202320277458.6U CN219188370U (en) | 2023-02-20 | 2023-02-20 | Continuous stamping forming die |
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CN202320277458.6U CN219188370U (en) | 2023-02-20 | 2023-02-20 | Continuous stamping forming die |
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CN219188370U true CN219188370U (en) | 2023-06-16 |
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CN202320277458.6U Active CN219188370U (en) | 2023-02-20 | 2023-02-20 | Continuous stamping forming die |
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