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CN211464509U - High-precision progressive die - Google Patents

High-precision progressive die Download PDF

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Publication number
CN211464509U
CN211464509U CN201922306202.XU CN201922306202U CN211464509U CN 211464509 U CN211464509 U CN 211464509U CN 201922306202 U CN201922306202 U CN 201922306202U CN 211464509 U CN211464509 U CN 211464509U
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China
Prior art keywords
die
core
base
die core
seat
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CN201922306202.XU
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Chinese (zh)
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马志伟
明倩
李军
侯伟涛
吴刚
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Zhengzhou Xinchang Automobile Parts Co ltd
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Zhengzhou Xinchang Automobile Parts Co ltd
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Abstract

The utility model relates to a high-precision progressive die, a plurality of groups of die cores are arranged in the progressive die, so that a plurality of processes such as blanking, bending, forming, deep drawing and the like can be continuously completed, the phenomenon of process leakage is avoided, and the processing process of workpieces is simplified; meanwhile, the transfer and storage of the semi-finished products are saved due to the continuous production of the continuous die, and the quality problem caused by collision of the semi-finished products in the transfer process is avoided; the multiple groups of mold cores are symmetrically arranged in double rows, so that on one hand, the production efficiency is improved, the shape deviation caused by sliding is avoided, and the processing quality of parts is ensured; the continuous die adopts flanging and punching, so that the hole site accuracy is ensured; two pairs of compound die guiding mechanism of both sides installation of modulus of continuity, the centering of mould about guaranteeing, the punch-die clearance is even, improves the direction precision of mould to improve the dimensional accuracy of part, consequently the utility model provides the high production efficiency of spare part processing has practiced thrift manufacturing cost, has improved the competitiveness of enterprise.

Description

High-precision progressive die
Technical Field
The utility model relates to an automobile parts processing technology field especially relates to a high-accuracy modulus of continuity.
Background
Along with the development of scientific technology, stamping dies are required to be used for various parts of an automobile body in the production and manufacturing of automobiles, and the automobile parts are produced by the stamping dies, so that the production efficiency of the automobiles can be greatly improved, but along with the rapid development of automobile production and manufacturing technology, the requirement on the stamping dies is higher and higher, and on the basis of ensuring the quality of stamping parts, the stamping cost is required to be reduced as far as possible.
When adopting traditional single type stamping die to produce, need earlier carry out the blanking to spare part, bend to spare part again, bend and the plastic to spare part at last, consequently need many sets of stamping die just can accomplish the processing of spare part, adopt this kind of mould processing automobile body spare part, operation workman's long in labor time and intensity of labour are great, manufacturing procedure is complicated, production efficiency is low, can not satisfy the needs of automobile production yet, and taken a large amount of time when the mould maintenance, increase enterprise maintenance cost, the development of enterprise has been restricted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-accuracy modulus of continuity.
The technical scheme of the utility model is that a high-accuracy modulus of continuity, including last mould subassembly and lower mould subassembly, its characterized in that: the upper die assembly comprises an upper die seat, a pressure plate arranged on the lower surface of the upper die seat and an upper die core assembly arranged on the lower surface of the pressure plate, wherein the lower surface of the upper die seat is provided with a plurality of circular mounting grooves and a plurality of guide rod mounting holes; the edge of the upper die base is also provided with a support column for controlling the upward stroke of the pressure plate, two sides of the upper die base are provided with a plurality of symmetrical sliding support blocks, the inner side surfaces of the sliding support blocks and the side surfaces of the pressure plate are sliding fit surfaces, and the lower ends of the sliding support blocks are provided with limit blocks A for controlling the downward stroke of the pressure plate; the upper die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and an upper forming die core which are symmetrical, and each die core is correspondingly arranged in the die core mounting groove; a plurality of punching punches are arranged between the upper die seat and the pressure plate, the middle punching punch is inserted into a round hole arranged on the pressure plate, punch seat sliding holes are arranged on the pressure plate positioned at two sides of the upper forming die core, a fixed seat of the punching punch in the punch seat sliding holes and the punch seat sliding holes form a sliding pair, two pairs of hanging shafts are arranged at two sides of the upper die seat, and upper die seat buffer blocks are arranged at four corners of the upper die seat;
the lower die assembly comprises a lower die base and a lower die core assembly arranged on the upper surface of the lower die base, the lower die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and a lower blanking die core which are symmetrical and matched with the upper forming die core in size and in corresponding positions, the lower blanking die core, the lower bending die core, the lower stretching die core and the lower forming die core are arranged, blanking holes in the lower blanking die core penetrate through the lower die base, a forming blanking hole is formed in the middle of the lower forming die core, a plurality of blanking punching holes penetrating through the lower die base are formed in the lower blanking die core and the lower forming die core, die closing buffer devices are arranged in the middle and at two sides of the lower bending die core, the lower stretching die core and the lower forming die core, die closing buffer devices are also arranged on the die closing buffer devices, die closing buffer devices are also arranged at two ends and two sides of the lower blanking die core, two side edges of the lower die, the four corners of the lower die base are provided with lower die base buffer blocks and pressure plate buffer blocks, and the size of the lower die base buffer blocks is matched with that of the upper die base buffer blocks and the positions of the lower die base buffer blocks are corresponding to that of the upper die base buffer blocks.
Preferably, the die assembly buffering device comprises a buffering block base and lower buffering springs fixedly connected to two ends of the buffering block base, the two lower buffering springs are installed in through holes of the lower die base, blocking convex edges are arranged on the upper portions of the buffering springs, and limiting blocks B are arranged on the upper surface of the lower die base and the positions corresponding to the blocking convex edges; the upper surface of lower mould seat is equipped with a plurality of bearing posts, and the lower surface is equipped with the bumping post with the upper surface contact of lower mould seat.
Preferably, the die closing guide mechanism comprises two pairs of guide sliding sleeves symmetrically arranged on two sides of the upper die base and two pairs of guide sliding columns symmetrically arranged on two sides of the lower die grinding tool base, the guide sliding sleeves are connected with the upper die base through supporting seats, the guide sliding columns are connected with the lower die base through supporting seats, and the guide sliding columns are inserted into the guide sliding sleeves to form sliding pairs.
Preferably, grating protection devices are arranged at positions corresponding to the upper forming mold core and the lower forming mold core of the lower mold base.
Preferably, sealing plates connected with the upper die base are arranged on two sides and two ends of the material pressing plate.
Preferably, a feeding supporting plate is arranged at the position corresponding to the lower die seat and the lower cutting die core.
Preferably, the lower die base buffer blocks at the four corners of the lower die base are hung with cylindrical support pieces through chains, and the size of each cylindrical support piece is matched with that of the lower die base buffer block.
The utility model has the beneficial technical effects that:
the continuous die is internally provided with a plurality of groups of die cores, so that a plurality of processes such as blanking, bending, forming, deep drawing and the like can be continuously completed, the process leakage phenomenon is avoided, and the processing process of a workpiece is simplified; meanwhile, the transfer and storage of the semi-finished products are saved due to the continuous production of the continuous die, and the quality problem caused by collision of the semi-finished products in the transfer process is avoided; the multiple groups of mold cores are symmetrically arranged in double rows, so that the production efficiency is improved, the material belt is stable when the materials are molded, the shape deviation caused by sliding is avoided, and the processing quality of parts is ensured; the continuous die adopts flanging and punching, so that the hole site accuracy is ensured; two pairs of compound die guiding mechanism of both sides installation of modulus of continuity, the centering of mould about guaranteeing, the punch-die clearance is even, improves the direction precision of mould to improve the dimensional accuracy of part, consequently the utility model provides the high production efficiency of spare part processing has practiced thrift manufacturing cost, has improved the competitiveness of enterprise.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic perspective view of the upper mold assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic perspective view of the upper mold base of the present invention;
fig. 6 is a schematic perspective view of the material pressing plate, the buffer gas spring and the guide rod of the present invention;
fig. 7 is a schematic perspective view of the material pressing plate of the present invention;
fig. 8 is a schematic view of a three-dimensional structure of the upper die core of the material pressing plate of the present invention;
FIG. 9 is an enlarged partial view of FIG. 8;
fig. 10 is one of the schematic three-dimensional structures of the lower mold assembly of the present invention;
FIG. 11 is an enlarged view at A of FIG. 10;
FIG. 12 is an enlarged view at B of FIG. 10;
fig. 13 is a second schematic perspective view of the lower mold assembly of the present invention;
FIG. 14 is an enlarged view of a portion of FIG. 13;
FIG. 15 is a schematic perspective view of a mold clamping buffer;
FIG. 16 is a second schematic perspective view of the clamping buffer;
fig. 17 is a schematic perspective view of a workpiece to be processed.
In the drawing, 01, an upper die assembly, 1, an upper die base, 11, a circular mounting groove, 12, a guide rod mounting hole, 121, a guide rod, 13, a support column, 14, a sliding support block, 141, a limit block A, 15, a hanging shaft, 16, an upper die base buffer block, 2, a pressure plate, 21, an upper die core assembly, 211, an upper die cutting core, 212, an upper bending die core, 213, an upper stretching die core, 214, an upper forming die core, 22, a blanking die core mounting groove, 23, a bending die core mounting groove, 24, a stretching die core mounting groove, 25, a forming die core mounting groove, 26, a punch base sliding hole, 3, a buffer gas spring, 4, a punching punch, 41, a punching punch fixing base, 05, a lower die assembly, 5, a lower die base, 51, a lower die core assembly, 511, a blanking die core, 5111, a blanking hole, 512, a lower bending die core, 513, a lower stretching die core, 514, a lower forming die core, 5141, a, 52. Blanking and punching 54, a lower die holder buffer block 55, a pressure plate buffer block 6, a die assembly buffer device 61, a buffer block base 62, a lower buffer spring 63, a blocking convex edge 64, a bearing column 65, a buffer column 66, a limit block B, 7, a die assembly guide mechanism 71, a guide sliding sleeve 72, a guide sliding column 73, a support seat 8, a grating protection device 9, a sealing plate 10, and a feeding support
Plate, 101, cylindrical support.
Detailed Description
First embodiment, referring to the drawings (1-17) of the specification, a high precision progressive die comprises an upper die assembly and a lower die assembly, and is characterized in that: the upper die assembly comprises an upper die seat, a pressure plate arranged on the lower surface of the upper die seat and an upper die core assembly arranged on the lower surface of the pressure plate, wherein the lower surface of the upper die seat is provided with a plurality of circular mounting grooves and a plurality of guide rod mounting holes; the edge of the upper die base is also provided with a support column for controlling the upward stroke of the pressure plate, a plurality of symmetrical sliding support blocks are arranged on two sides of the upper die base, the inner side surfaces of the sliding support blocks and the side surfaces of the pressure plate are sliding fit surfaces, the lower ends of the sliding support blocks are provided with limit blocks A for controlling the downward stroke of the pressure plate, and the sliding support blocks on the two sides play a role in sliding clamping on the side surfaces of the pressure plate; the upper die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and an upper forming die core which are symmetrical, and each die core is correspondingly arranged in the die core mounting groove; a plurality of punching punches are further arranged between the upper die base and the pressure plate, the middle punching punch is inserted into a round hole arranged on the pressure plate, when the pressure plate moves downwards and an inner upper die core of the pressure plate presses a workpiece on the lower die core, the pressure plate can move upwards to compress an upper buffer spring, the punching punches can continue to move downwards relative to the pressure plate to punch the workpiece, punch base sliding holes are arranged on the pressure plates positioned at two sides of the upper forming die core, a fixed seat of the punching punch in the punch base sliding hole and the punch base sliding holes form a sliding pair, two pairs of hanging shafts are arranged at two sides of the upper die base, and upper die base buffer blocks are arranged at four corners of the upper die base;
the lower die assembly comprises a lower die base and a lower die core assembly arranged on the upper surface of the lower die base, the lower die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and a lower blanking die core which are symmetrical, the upper shaping die core is matched in size and corresponding in position, the lower bending die core, the lower stretching die core and the lower shaping die core, when the upper die base moves downwards to press materials, the upper die core and the lower die core can simultaneously correspond to each other, so that a plurality of processes such as blanking, bending, shaping, deep drawing and the like can be continuously completed, blanking holes in the lower blanking die core penetrate through the lower die base, the cut waste materials can fall to the lower end of the lower die base from the blanking holes, a shaping blanking hole is arranged in the middle of the lower shaping die core, when a workpiece is formed, the connecting materials need to be cut off after the connecting materials are respectively cut off from the shaping die cores, the lower end of the lower die base falls from the shaping blanking holes, and a plurality of blanking holes penetrating through the lower die base, wherein the middle and two sides of the lower bending mold core, the lower stretching mold core and the lower forming mold core are respectively provided with a mold closing buffer device which is used for supporting a pressing plate which is pressed downwards, meanwhile, the impact force of pressing the material pressing plate can be reduced, the blanking and punching holes penetrating through the lower die base are also arranged on the die assembly buffer device, the die assembly buffer devices are also arranged at the two ends and two sides of the lower die core, the buffering and pressure reducing effects of the plurality of die assembly buffer devices arranged around each lower die core are better, two pairs of hanging connecting shafts and two pairs of die closing guide mechanisms are arranged at the edges of two sides of the lower die base, so that the centering of the upper die and the lower die is ensured, the guide precision of the die is improved, thereby improve the size precision of part, the four corners of bed die is equipped with die holder buffer block and pressure flitch buffer block, and the size of die holder buffer block and the size phase-match of last die holder buffer block and position are corresponding, and two buffer blocks contact mutually earlier when pressing the material and reduce the impact of going up the mould subassembly.
The die assembly buffering device comprises a buffering block base and lower buffering springs fixedly connected to two ends of the buffering block base, the two lower buffering springs are installed in through holes of a lower die base, blocking convex edges are arranged on the upper portions of the buffering springs, limiting blocks B are arranged on the upper surface of the lower die base and at positions corresponding to the blocking convex edges, and the limiting blocks B are used for fixing the outer sleeves of the springs, so that telescopic rods in the springs can rebound up and down to cushion vibration when the springs are under pressure, and the telescopic rods in the springs can move downwards; the upper surface of lower mould seat is equipped with a plurality of bearing posts, and the lower surface is equipped with the bumping post with the upper surface contact of lower mould seat.
The die closing guide mechanism comprises two pairs of guide sliding sleeves and two pairs of guide sliding columns, the two pairs of guide sliding sleeves are symmetrically arranged on two sides of an upper die base, the two pairs of guide sliding columns are symmetrically arranged on two sides of a lower die grinding tool base, the guide sliding sleeves are connected with the upper die base through supporting seats, the guide sliding columns are connected with the lower die base through supporting seats, the guide sliding columns are inserted into the guide sliding sleeves to form sliding pairs, the die closing guide mechanism ensures that the upper die base and the lower die base can be centered, the gap between the upper die core and the lower die core is uniform.
The grating protection devices are arranged at the positions corresponding to the upper forming mold core and the lower forming mold core of the lower mold base, so that the working condition of the mold is detected at any time, and potential safety hazards are reduced.
The two sides and two ends of the pressure plate are provided with sealing plates connected with the upper die base, so that the dustproof effect is achieved, and the safety of the die is improved.
And feeding supporting plates are arranged at the corresponding positions of the lower die seat and the lower punching die core, so that a workpiece can be conveniently placed in the die.
The lower die base buffer blocks at the four corners of the lower die base are hung with cylindrical supporting pieces through chains
The size of the columnar support piece is matched with the size of the buffer block of the lower die holder, and when the die is carried, the columnar support piece is filled between the buffer block of the upper die holder and the swelling block of the lower die holder to support the upper die assembly, so that the die is prevented from shaking to damage the die core.
When the progressive die works, the front end of a workpiece is pushed onto a lower blanking die core from a feeding supporting plate on a lower die seat, then an upper die assembly moves downwards, the upper blanking die core downwards punches the workpiece placed on the lower blanking die core, the upper die assembly continues to move downwards, the upper blanking die core moves upwards to compress a buffer gas spring between a pressure plate and the upper die seat, and a punching punch fixed between the pressure plate and the upper die seat continues to move downwards to punch the workpiece; after the front end of the workpiece is blanked, the upper die assembly is separated from the lower die assembly, the blanked part of the front end of the workpiece is placed on a lower bending die core of the next procedure, the upper die assembly descends, the upper bending die core clamps the workpiece downwards and the lower bending die core to bend the workpiece, and the rear end of the blanked part of the workpiece is blanked by the blanking die core of the previous procedure of the die while the workpiece is bent; and then continuously moving the workpiece forwards according to the steps to perform the processes of blanking, bending, drawing and forming on the workpiece, so that one workpiece can be uniformly blanked and a plurality of finished workpieces by using one set of die.

Claims (7)

1. The utility model provides a high-accuracy modulus of continuity, includes mould assembly and lower mould assembly, its characterized in that: the upper die assembly comprises an upper die seat, a pressure plate arranged on the lower surface of the upper die seat and an upper die core assembly arranged on the lower surface of the pressure plate, wherein the lower surface of the upper die seat is provided with a plurality of circular mounting grooves and a plurality of guide rod mounting holes; the edge of the upper die base is also provided with a support column for controlling the upward stroke of the pressure plate, two sides of the upper die base are provided with a plurality of symmetrical sliding support blocks, the inner side surfaces of the sliding support blocks and the side surfaces of the pressure plate are sliding fit surfaces, and the lower ends of the sliding support blocks are provided with limit blocks A for controlling the downward stroke of the pressure plate; the upper die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and an upper forming die core which are symmetrical, and each die core is correspondingly arranged in the die core mounting groove; a plurality of punching punches are arranged between the upper die seat and the pressure plate, the middle punching punch is inserted into a round hole arranged on the pressure plate, punch seat sliding holes are arranged on the pressure plate positioned at two sides of the upper forming die core, a fixed seat of the punching punch in the punch seat sliding holes and the punch seat sliding holes form a sliding pair, two pairs of hanging shafts are arranged at two sides of the upper die seat, and upper die seat buffer blocks are arranged at four corners of the upper die seat;
the lower die assembly comprises a lower die base and a lower die core assembly arranged on the upper surface of the lower die base, the lower die core assembly comprises an upper blanking die core, an upper bending die core, an upper stretching die core and a lower blanking die core which are symmetrical and matched with the upper forming die core in size and in corresponding positions, the lower blanking die core, the lower bending die core, the lower stretching die core and the lower forming die core are arranged, blanking holes in the lower blanking die core penetrate through the lower die base, a forming blanking hole is formed in the middle of the lower forming die core, a plurality of blanking punching holes penetrating through the lower die base are formed in the lower blanking die core and the lower forming die core, die closing buffer devices are arranged in the middle and at two sides of the lower bending die core, the lower stretching die core and the lower forming die core, die closing buffer devices are also arranged on the die closing buffer devices, die closing buffer devices are also arranged at two ends and two sides of the lower blanking die core, two side edges of the lower die, the four corners of the lower die base are provided with lower die base buffer blocks and pressure plate buffer blocks, and the size of the lower die base buffer blocks is matched with that of the upper die base buffer blocks and the positions of the lower die base buffer blocks are corresponding to that of the upper die base buffer blocks.
2. A high precision progressive die as defined in claim 1 wherein: the die assembly buffering device comprises a buffering block base and lower buffering springs fixedly connected to two ends of the buffering block base, the two lower buffering springs are installed in through holes of a lower die base, blocking convex edges are arranged on the upper portions of the buffering springs, and limiting blocks B are arranged on the upper surface of the lower die base and the positions corresponding to the blocking convex edges; the upper surface of lower mould seat is equipped with a plurality of bearing posts, and the lower surface is equipped with the bumping post with the upper surface contact of lower mould seat.
3. A high precision progressive die as defined in claim 1 wherein: the die closing guide mechanism comprises two pairs of guide sliding sleeves symmetrically arranged on two sides of an upper die base and two pairs of guide sliding columns symmetrically arranged on two sides of a lower die grinding tool base, the guide sliding sleeves are connected with the upper die base through supporting seats, the guide sliding columns are connected with the lower die base through the supporting seats, and the guide sliding columns are inserted into the guide sliding sleeves to form sliding pairs.
4. A high precision progressive die as defined in claim 1 wherein: and grating protection devices are arranged at the positions corresponding to the upper forming mold core and the lower forming mold core of the lower mold base.
5. A high precision progressive die as defined in claim 1 wherein: and sealing plates connected with the upper die base are arranged on two sides and two ends of the material pressing plate.
6. A high precision progressive die as defined in claim 1 wherein: and feeding supporting plates are arranged at the corresponding positions of the lower die seat and the lower punching die core.
7. A high precision progressive die as defined in claim 1 wherein: and the lower die base buffer blocks at the four corners of the lower die base are hung with cylindrical support pieces through chains, and the size of each cylindrical support piece is matched with that of the lower die base buffer block.
CN201922306202.XU 2019-12-20 2019-12-20 High-precision progressive die Active CN211464509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922306202.XU CN211464509U (en) 2019-12-20 2019-12-20 High-precision progressive die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922306202.XU CN211464509U (en) 2019-12-20 2019-12-20 High-precision progressive die

Publications (1)

Publication Number Publication Date
CN211464509U true CN211464509U (en) 2020-09-11

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ID=72358253

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Application Number Title Priority Date Filing Date
CN201922306202.XU Active CN211464509U (en) 2019-12-20 2019-12-20 High-precision progressive die

Country Status (1)

Country Link
CN (1) CN211464509U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600685A (en) * 2021-07-14 2021-11-05 宁波光华电池有限公司 Steel shell cup punching compound die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600685A (en) * 2021-07-14 2021-11-05 宁波光华电池有限公司 Steel shell cup punching compound die

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