CN213944549U - Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode - Google Patents
Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode Download PDFInfo
- Publication number
- CN213944549U CN213944549U CN202023050700.1U CN202023050700U CN213944549U CN 213944549 U CN213944549 U CN 213944549U CN 202023050700 U CN202023050700 U CN 202023050700U CN 213944549 U CN213944549 U CN 213944549U
- Authority
- CN
- China
- Prior art keywords
- die
- pressing core
- shaping
- block
- fixed
- 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.)
- Active
Links
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model relates to a flanging shaping die for left and right common modes of automobile wheel cover parts, which comprises an upper die component positioned on the upper layer and a lower die component positioned on the lower layer and matched with the upper die component correspondingly, wherein the upper die component comprises an upper die base and an upper pressing core, the upper pressing core is arranged in an upper die cavity of the upper die base in a sliding way, the top surface of the upper die cavity is fixed with a plurality of nitrogen springs supported on the top of the upper pressing core, the lower surface of the upper pressing core is provided with a left forming female die and a right forming female die, the top of the upper die cavity is fixed with a left shaping knife block and a flanging insert which vertically run through the left forming female die, the lower die component comprises a lower die base and a lower pressing core, the lower pressing core is arranged in a lower die cavity of the lower die base in a sliding way, the upper surface of the lower pressing core is provided with a left forming male die and a right forming male die which are respectively matched with the left forming female die and the right forming female die correspondingly, and a lower shaping cutter block vertically penetrating through the left forming male die is fixed at the bottom of the lower die cavity.
Description
Technical Field
The utility model relates to a technical field of automobile parts production mould, in particular to turn-ups plastic mould of common mode about car wheel casing spare.
Background
Along with the rapid development of society and the continuous improvement of people's living standard, the amount of keeping of private car is increasing, and the producer of making automobile parts is also more and more in the market, and is also higher and more to the degree requirement that becomes more and more meticulous of car, and is also higher and more naturally to auto-parts's requirement, and this kind of requirement not only reflects in the quality of accessory, also reflects in the control to accessory manufacturing process.
The production of automobile components relates to each part of an automobile, the processing of automobile shell components is generally formed by gradually deforming and processing a steel plate or an aluminum plate, the manufacturing of final workpieces can be completed only by carrying out the technical processes of trimming, flanging, punching and the like on some automobile components with long strip-shaped structures, in the prior art, the trimming, flanging, punching and the like are basically processed by different dies, each process needs one set of corresponding die and press machine, the processing time of each process is long, the production continuity is poor, the equipment investment is large, the occupied workshop area is large, the workpieces need to be positioned for many times by processing for many times, the problem of unstable processing quality of the workpieces is easily caused, the defective rate of the workpieces is high, the workpieces need to be repeatedly arranged on the upper die and the lower die, and the production efficiency is seriously influenced, generally speaking, the production cost is high, manpower and material resources are wasted, and the actual production requirements cannot be met, and the problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a turn-ups plastic mould of common mode about car wheel casing spare.
The specific contents are as follows: common mode's turn-ups plastic mould about vapour wheel casing spare, its including the last mould subassembly that is located the upper strata, be located the lower floor and correspond the lower mould subassembly that matches with last mould subassembly position, characterized by:
the upper die assembly comprises an upper die base and an upper pressing core, the upper pressing core is slidably arranged in an upper die cavity of the upper die base, sliding surfaces which are matched with each other are arranged on the side surface of the upper pressing core and the side surface of the upper die cavity, a positioning pin horizontally extending into a positioning groove on the side surface of the upper material pressing core is arranged on the side surface of the upper die holder, a plurality of nitrogen springs supported on the top of the upper material pressing core are fixed on the top surface of the upper die cavity, a left forming female die and a right forming female die are arranged on the lower surface of the upper pressing core, a left shaping cutter block A, a left shaping cutter block B and a left shaping cutter block C which vertically penetrate through the edge of the left forming female die are fixed at the top of the upper die cavity, the top of the upper die cavity is also fixed with a right shaping knife block A, a right shaping knife block B, a right shaping knife block C and a right shaping knife block D, wherein the right shaping knife block A, the right shaping knife block B and the right shaping knife block C vertically penetrate through the edge of the right forming female die, and the right shaping knife block D penetrates through the middle part of the right forming female die, the top of the upper die cavity is also fixedly provided with a flanging insert A and a flanging insert B which vertically penetrate through the upper material pressing core;
the lower die assembly comprises a lower die base and a lower pressing core, the lower pressing core is slidably mounted in a lower die cavity of the lower die base, sliding surfaces which are matched with each other are arranged on the side surface of the lower pressing core and the side surface of the lower die cavity, a stroke stop block horizontally extending into the lower die cavity is fixed on the upper surface of the lower die base, a limiting boss vertically corresponding to the stroke stop block is arranged on the side surface of the lower pressing core, a plurality of nitrogen springs supported at the bottom of the lower pressing core are fixed on the bottom surface of the lower die cavity, a left forming male die and a right forming male die which are respectively matched with the left forming female die and the right forming female die in a supporting mode are arranged on the upper surface of the lower pressing core, and a lower shaping cutter block vertically penetrating through the left forming male die is fixed at the bottom of the lower die cavity;
and matched die closing guide structures are arranged at the two ends of the upper die base and the lower die base.
Preferably, the die closing guide structure comprises guide convex blocks and yielding grooves, the guide convex blocks are located at two ends of the upper die base and extend downwards, two ends of the lower die base are matched with the convex blocks in shape, and sliding surfaces matched with each other are arranged on the side surfaces of the guide convex blocks and the side surfaces of the yielding grooves.
Preferably, a positioning column with an arc-shaped guide inclined plane is fixed on the upper surface of the lower pressing core, and the positioning column is located on the outer sides of the left forming male die and the right forming male die.
Preferably, the two sides of the upper surface of the lower die base are respectively fixed with a die closing cushion block which extends vertically, and the lower surface of the upper die base is provided with a supporting boss corresponding to the die closing cushion block.
Preferably, at least two hoisting rods are fixed on both sides of the upper die base and both sides of the lower die base.
Preferably, at least two fixing strips are fixed on both end faces of the upper die base and both end faces of the lower die base.
Preferably, the upper edges of the two end surfaces of the lower die base are symmetrically hinged with at least two pairs of supporting blocks.
Preferably, the upper surface of the lower pressing core is fixed with a lower balance column between the left forming male die and the right forming male die, and the upper pressing core is provided with an upper balance column corresponding to the lower balance column.
Preferably, the top of the upper die cavity is further fixed with a plurality of upper limiting cushion blocks, and the bottom of the lower die cavity is further fixed with a plurality of lower limiting cushion blocks.
Preferably, the bottom of the left forming female die is provided with a guide sliding block correspondingly matched with the sliding surface on the inner side of the lower shaping cutter block.
The utility model has the advantages of: the utility model relates to a turn-ups plastic mould of common mode about automobile wheel casing spare, including last mould subassembly and lower mould subassembly, it includes the upper die base to go up the mould subassembly, go up the pressure material core, shaping die and plastic sword piece, lower membrane subassembly includes the die holder, the pressure material core down, shaping terrace die and plastic sword piece, through pressing the turn-ups and the plastic of material core completion about simultaneously two work pieces from top to bottom, realize the location of punching press type work piece simultaneously, the purpose that the multiple operation was accomplished in step, thereby the last lower mould number of times of work piece has been reduced, promote the machining dimension precision, the quantity of mould and press has been reduced, the equipment investment has been reduced by a wide margin, the multiple operation is accomplished to a mould, and the production efficiency is promoted, a large amount of energy has been practiced thrift in the totality, the production cost is reduced, the quality stability of work piece has been promoted, be favorable to the consumer.
Drawings
FIG. 1 is a schematic perspective view of a flanging and shaping mold for left and right common modes of an automobile wheel cover part;
FIG. 2 is a schematic perspective view of the upper die assembly;
FIG. 3 is a schematic perspective view of the upper mold base;
FIG. 4 is a schematic perspective view of an upper pressing core;
FIG. 5 is a schematic perspective view of the lower die assembly;
FIG. 6 is a schematic perspective view of the lower die holder;
FIG. 7 is a schematic perspective view of a lower plunger;
in the figure: 11. the die comprises an upper die assembly, a 111 upper die base, a 12 lower die assembly, a 121 lower die base, a 13 upper material pressing core, a 14 left forming female die, a 15 right forming female die, a 16 left shaping cutter block A, a 17 left shaping cutter block B, a 18 left shaping cutter block C, a 19 right shaping cutter block A, a 20 right shaping cutter block B, a 21 right shaping cutter block C, a 22 flanging insert B, a 23 flanging insert A, a 24 upper balance column, a 25 guide slide block, a 26 guide bulge block, a 27 sliding surface of the side surface of the guide bulge block, a 28 support boss, a 29 lifting rod on the upper die base, a 30 upper die cavity, a 31 sliding surface of the side surface of the upper die cavity, a 32 positioning pin, a 33 nitrogen spring in the upper die cavity, a 34 upper limit cushion block, a 35 right shaping cutter block D, a 36 sliding surface of the side surface of the upper material pressing core, a 37 positioning groove, a 38 lower material pressing core, a 39 male die, a left forming male die and a 33, 40. The die comprises a right forming male die, 41 parts of a lower shaping cutter block, 42 parts of a lower balance column, 43 parts of a travel stop dog, 44 parts of a yielding groove, 45 parts of a sliding surface of the side surface of the yielding groove, 46 parts of a die closing cushion block, 47 parts of a support block, 48 parts of a fixing strip, 49 parts of a hoisting rod on a lower die seat, 50 parts of a positioning column, 51 parts of a sliding surface of the inner side of the lower shaping cutter block, 52 parts of a sliding surface of the side surface of a lower die cavity, 53 parts of a lower limiting cushion block, 54 parts of a nitrogen spring in a lower die cavity, 55 parts of the lower die cavity, 56 parts of a sliding surface of the side surface of a lower material pressing core and 57 parts of a limiting boss.
Detailed Description
In the first embodiment, referring to fig. 1 to 7, a flanging and shaping die for left and right common modes of an automobile wheel cover piece comprises an upper die assembly located on an upper layer and a lower die assembly located on a lower layer and correspondingly matched with the upper die assembly in position;
the upper die assembly comprises an upper die base and an upper pressing core, the upper pressing core is slidably arranged in an upper die cavity of the upper die base, sliding surfaces which are matched with each other are arranged on the side surface of the upper pressing core and the side surface of the upper die cavity, a positioning pin horizontally extending into a positioning groove on the side surface of the upper material pressing core is arranged on the side surface of the upper die holder, a plurality of nitrogen springs supported on the top of the upper material pressing core are fixed on the top surface of the upper die cavity, a left forming female die and a right forming female die are arranged on the lower surface of the upper pressing core, a left shaping cutter block A, a left shaping cutter block B and a left shaping cutter block C which vertically penetrate through the edge of the left forming female die are fixed at the top of the upper die cavity, the top of the upper die cavity is also fixed with a right shaping knife block A, a right shaping knife block B, a right shaping knife block C and a right shaping knife block D, wherein the right shaping knife block A, the right shaping knife block B and the right shaping knife block C vertically penetrate through the edge of the right forming female die, and the right shaping knife block D penetrates through the middle part of the right forming female die, the top of the upper die cavity is also fixedly provided with a flanging insert A and a flanging insert B which vertically penetrate through the upper material pressing core;
the lower die assembly comprises a lower die base and a lower pressing core, the lower pressing core is slidably mounted in a lower die cavity of the lower die base, sliding surfaces which are matched with each other are arranged on the side surface of the lower pressing core and the side surface of the lower die cavity, a stroke stop block horizontally extending into the lower die cavity is fixed on the upper surface of the lower die base, a limiting boss vertically corresponding to the stroke stop block is arranged on the side surface of the lower pressing core, a plurality of nitrogen springs supported at the bottom of the lower pressing core are fixed on the bottom surface of the lower die cavity, a left forming male die and a right forming male die which are respectively matched with the left forming female die and the right forming female die in a supporting mode are arranged on the upper surface of the lower pressing core, and a lower shaping cutter block vertically penetrating through the left forming male die is fixed at the bottom of the lower die cavity;
and matched die closing guide structures are arranged at the two ends of the upper die base and the lower die base.
The die closing guide structure comprises guide convex blocks and abdicating grooves, wherein the guide convex blocks are located at two ends of the upper die base and extend downwards, two ends of the lower die base are matched with the convex blocks in shape, and sliding surfaces matched with each other are arranged on the side surfaces of the guide convex blocks and the abdicating grooves.
And the upper surface of the lower pressing core is fixedly provided with a positioning column with an arc-shaped guide inclined plane, and the positioning column is positioned on the outer sides of the left forming male die and the right forming male die. The positioning of the workpiece is convenient, and the workpiece is prevented from shifting in the flanging and shaping process to influence the quality of the product.
And the two sides of the upper surface of the lower die holder are respectively fixed with a die closing cushion block which vertically extends out, and the lower surface of the upper die holder is provided with a supporting boss corresponding to the die closing cushion block. The stroke of the upper die base in the downward die closing process is limited by the die closing cushion block, so that the upper die base is prevented from being collided and damaged in the transition downward process.
At least two hoisting rods are fixed on both sides of the upper die holder and both sides of the lower die holder. The upper die base or the lower die base is hoisted and carried through the hoisting rod, and the hoisting rod is simple and convenient.
At least two fixing strips are fixed on both end faces of the upper die base and both end faces of the lower die base. The upper edges of the two end surfaces of the lower die base are symmetrically hinged with at least two pairs of supporting blocks. When whole mould carried the transfer, with the upper surface of supporting shoe upset to the die holder, the supporting shoe supports between upper die base and the die holder, and rethread fixed strip can carry after fixing both, and the supporting shoe is kept apart upper die base and die holder, prevents to shift to produce unnecessary and collide with the damage between the transportation process dough positioning mould.
The upper surface of the lower pressing core is fixed with a lower balance column between the left forming male die and the right forming male die, and the upper pressing core is provided with an upper balance column corresponding to the lower balance column.
The top of the upper die cavity is also fixedly provided with a plurality of upper limiting cushion blocks, and the bottom of the lower die cavity is also fixedly provided with a plurality of lower limiting cushion blocks. Respectively used for limiting the stroke of the upper and lower pressing cores.
And a guide sliding block correspondingly matched with the sliding surface on the inner side of the lower shaping cutter block is arranged at the bottom of the left forming female die.
The utility model discloses a working process and principle:
when the die is used, a workpiece is placed on a left forming male die and a right forming male die of a lower pressing core, the workpiece is positioned through positioning columns around the lower pressing core on a lower die base, an upper die assembly moves downwards, the upper pressing core and the lower pressing core clamp the workpiece, the workpiece is correspondingly clamped and formed through a forming female die and the forming male die, then the upper die assembly continues to move downwards, the upper pressing core and the lower pressing core extrude a nitrogen spring to shrink into corresponding die cavities, then shaping cutter blocks in the upper die cavity and the lower die cavity continue to move downwards along with the corresponding die bases, the shaping process of the corresponding sides of the workpiece is gradually completed, after the shaping process is completed, the upper die assembly moves upwards, and a left workpiece and a right workpiece are taken away; the utility model discloses an upper and lower moulding core installs the turn-ups plastic process of two work pieces in one set of mould, two work pieces about a compound die can be processed and accomplished, realize the location of one time of punching press type work piece simultaneously, the purpose of the synchronous completion of multiple operation, thereby the upper and lower mould number of times of work piece has been reduced, promote machining size precision, the quantity of mould and press has been reduced, the equipment investment has been reduced by a wide margin, multiple operation is accomplished to a mould, production efficiency has been promoted, a large amount of energy has been practiced thrift in the totality, production cost is reduced, the stability of quality of work piece has been promoted, be favorable to the consumer.
Claims (10)
1. Common mode's turn-ups plastic mould about vapour wheel casing spare, its including the last mould subassembly that is located the upper strata, be located the lower floor and correspond the lower mould subassembly that matches with last mould subassembly position, characterized by:
the upper die assembly comprises an upper die base and an upper pressing core, the upper pressing core is slidably arranged in an upper die cavity of the upper die base, sliding surfaces which are matched with each other are arranged on the side surface of the upper pressing core and the side surface of the upper die cavity, a positioning pin horizontally extending into a positioning groove on the side surface of the upper material pressing core is arranged on the side surface of the upper die holder, a plurality of nitrogen springs supported on the top of the upper material pressing core are fixed on the top surface of the upper die cavity, a left forming female die and a right forming female die are arranged on the lower surface of the upper pressing core, a left shaping cutter block A, a left shaping cutter block B and a left shaping cutter block C which vertically penetrate through the edge of the left forming female die are fixed at the top of the upper die cavity, the top of the upper die cavity is also fixed with a right shaping knife block A, a right shaping knife block B, a right shaping knife block C and a right shaping knife block D, wherein the right shaping knife block A, the right shaping knife block B and the right shaping knife block C vertically penetrate through the edge of the right forming female die, and the right shaping knife block D penetrates through the middle part of the right forming female die, the top of the upper die cavity is also fixedly provided with a flanging insert A and a flanging insert B which vertically penetrate through the upper material pressing core;
the lower die assembly comprises a lower die base and a lower pressing core, the lower pressing core is slidably mounted in a lower die cavity of the lower die base, sliding surfaces which are matched with each other are arranged on the side surface of the lower pressing core and the side surface of the lower die cavity, a stroke stop block horizontally extending into the lower die cavity is fixed on the upper surface of the lower die base, a limiting boss vertically corresponding to the stroke stop block is arranged on the side surface of the lower pressing core, a plurality of nitrogen springs supported at the bottom of the lower pressing core are fixed on the bottom surface of the lower die cavity, a left forming male die and a right forming male die which are respectively matched with the left forming female die and the right forming female die in a supporting mode are arranged on the upper surface of the lower pressing core, and a lower shaping cutter block vertically penetrating through the left forming male die is fixed at the bottom of the lower die cavity;
and matched die closing guide structures are arranged at the two ends of the upper die base and the lower die base.
2. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: the die closing guide structure comprises guide convex blocks and abdicating grooves, wherein the guide convex blocks are located at two ends of the upper die base and extend downwards, two ends of the lower die base are matched with the convex blocks in shape, and sliding surfaces matched with each other are arranged on the side surfaces of the guide convex blocks and the abdicating grooves.
3. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: and the upper surface of the lower pressing core is fixedly provided with a positioning column with an arc-shaped guide inclined plane, and the positioning column is positioned on the outer sides of the left forming male die and the right forming male die.
4. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: and the two sides of the upper surface of the lower die holder are respectively fixed with a die closing cushion block which vertically extends out, and the lower surface of the upper die holder is provided with a supporting boss corresponding to the die closing cushion block.
5. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: at least two hoisting rods are fixed on both sides of the upper die holder and both sides of the lower die holder.
6. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: at least two fixing strips are fixed on both end faces of the upper die base and both end faces of the lower die base.
7. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: the upper edges of the two end surfaces of the lower die base are symmetrically hinged with at least two pairs of supporting blocks.
8. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: the upper surface of the lower pressing core is fixed with a lower balance column between the left forming male die and the right forming male die, and the upper pressing core is provided with an upper balance column corresponding to the lower balance column.
9. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: the top of the upper die cavity is also fixedly provided with a plurality of upper limiting cushion blocks, and the bottom of the lower die cavity is also fixedly provided with a plurality of lower limiting cushion blocks.
10. The die for shaping the flanges of the automobile wheel cover member in the left and right common modes according to claim 1, wherein: and a guide sliding block correspondingly matched with the sliding surface on the inner side of the lower shaping cutter block is arranged at the bottom of the left forming female die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050700.1U CN213944549U (en) | 2020-12-17 | 2020-12-17 | Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050700.1U CN213944549U (en) | 2020-12-17 | 2020-12-17 | Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213944549U true CN213944549U (en) | 2021-08-13 |
Family
ID=77217161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023050700.1U Active CN213944549U (en) | 2020-12-17 | 2020-12-17 | Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213944549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926919A (en) * | 2021-09-26 | 2022-01-14 | 湖南中飞幕墙有限公司 | Middle hole flanging die of rear anti-collision beam connecting plate |
-
2020
- 2020-12-17 CN CN202023050700.1U patent/CN213944549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926919A (en) * | 2021-09-26 | 2022-01-14 | 湖南中飞幕墙有限公司 | Middle hole flanging die of rear anti-collision beam connecting plate |
| CN113926919B (en) * | 2021-09-26 | 2024-05-24 | 湖南中飞幕墙有限公司 | Back crashproof roof beam connecting plate mesopore turn-ups mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201880798U (en) | Blanking, punching and shaping composite stamping die | |
| CN108435918B (en) | A general side plastic frock for trying on manufacture vapour car roof | |
| CN213944549U (en) | Turn-ups plastic mould of automobile wheel cover spare left and right sides common mode | |
| CN106734565A (en) | A kind of roof of the vehicle continuous mould pressing device and production method | |
| CN213944550U (en) | Automobile side beam reinforcing plate flanging reshaping and side flanging punching die assembly die | |
| CN203578559U (en) | Continuous die of inner side and outer side upper rails of automobile seat | |
| CN213944548U (en) | Outer covering part trimming and side trimming die | |
| CN204770215U (en) | Continuous mould is used in bracing strut manufacturing before vehicle | |
| CN211360252U (en) | Side trimming and punching separation and side punching multiple process die assembly double-station die | |
| CN214290414U (en) | Mould of drawing dark many circular convex hulls on taking long convex hull product | |
| CN214022984U (en) | Automobile rear floor piece flanging and trimming die | |
| CN214161117U (en) | Mould of blade circle on area material | |
| CN211464510U (en) | Trimming, punching, flanging and shaping, punching and side punching trimming three-station die assembly for high-strength plate workpieces | |
| CN214053355U (en) | Trimming and punching composite die for automobile floor piece | |
| CN210358842U (en) | Front door mounting metal support die and front door mounting metal support thereof | |
| CN217748924U (en) | Split type fashioned five metals precision mould | |
| CN112605271A (en) | Mould of drawing dark many circular convex hulls on taking long convex hull product | |
| CN211360304U (en) | Multifunctional mould for flanging, punching and side shaping | |
| CN218946899U (en) | Manufacturing die for left front supporting plate of oil tank | |
| CN211360302U (en) | Double-station punching and bending forming die for pipe parts | |
| CN211360343U (en) | Forming and flanging die for oil filler box | |
| CN211464508U (en) | Three-process die assembly die for trimming side separation, punching side punching flanging and punching side punching flanging | |
| CN210023463U (en) | Left and right back door installation metal support mould and left and right back door installation metal support thereof | |
| CN220554866U (en) | Trimming, punching, flanging, punching side punching one-die multi-cavity left-right die assembly die | |
| CN216175647U (en) | Reinforcing plate flanging die for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |