CN113145696A - Multi-bending inner buckle forming structure and method for automobile seat side plate part - Google Patents
Multi-bending inner buckle forming structure and method for automobile seat side plate part Download PDFInfo
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- CN113145696A CN113145696A CN202110402905.1A CN202110402905A CN113145696A CN 113145696 A CN113145696 A CN 113145696A CN 202110402905 A CN202110402905 A CN 202110402905A CN 113145696 A CN113145696 A CN 113145696A
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- sliding block
- forming
- forming male
- side plate
- automobile seat
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- 238000005452 bending Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a multiple-bending inner buckle forming structure for a side plate part of an automobile seat, which comprises a lower die base, a first sliding block, a second sliding block, a third sliding block and a lower forming male group, wherein the first sliding block, the second sliding block, the third sliding block and the lower forming male group are arranged on the lower die base, a first mounting groove is formed in the lower die base, the second sliding block is connected to the bottom of the first mounting groove in a sliding mode, the first sliding block is arranged above one end of the second sliding block, the third sliding block is arranged above the other end of the second sliding block, the lower forming male group comprises a first forming male part and a second forming male part, the second forming male part is positioned on one side of the first forming male part, a product is placed on the first forming male part, the second forming male part abuts against the side face of the product, when die assembly is carried out. The invention also discloses a multi-bending inner buckle forming method of the high-strength side plate part of the automobile seat. Compared with the prior art, the invention can solve the problems of unstable forming quality and low efficiency of the high-strength side plate part of the automobile seat.
Description
Technical Field
The invention relates to the field of part punch forming, in particular to a multi-bending inner buckle forming structure and a method for a side plate part of an automobile seat.
Background
At present, in the whole automobile industry, the row shapes of a plurality of metal stamping parts are odd and strange, because an automobile is a tool for daily travel, the special shape of parts is also used for improving the assembling strength of the whole automobile and improving the safety performance, particularly for an automobile seat, the parts are basically complex and various pieces and need to be bent for multiple times, the manufacturing process of dies of a plurality of stamping manufacturers can be finished by one step through a single process at present, the inclined sliding blocks are used for stripping under the condition of space limitation, the size precision of the parts cannot meet the requirement of an automobile main engine factory, the production efficiency is extremely low and unstable, the requirement of customers cannot be met at all, the supply is delayed, the quality of the customers is complained, and the like.
Disclosure of Invention
The invention aims to: the forming structure and the forming method for the multiple-bending inner buckle of the side plate part of the automobile seat are provided for solving the problems of unstable forming quality and low efficiency of the high-strength side plate part of the automobile seat.
In order to achieve the above object, on one hand, the invention adopts the following technical scheme: a multi-bending inner buckle forming structure of a side plate part of an automobile seat comprises a lower die holder, a first sliding block, a second sliding block, a third sliding block and a lower forming male group, wherein the first sliding block, the second sliding block, the third sliding block and the lower forming male group are arranged on the lower die holder, a first mounting groove is formed in the lower die holder, the second sliding block is connected to the bottom of the first mounting groove in a sliding mode, the first sliding block is arranged above one end of the second sliding block, the third sliding block is arranged above the other end of the second sliding block, the lower forming male group comprises a first forming male part and a second forming male part, the second forming male part is located on one side of the first forming male part, a product is placed on the first forming male part, the second forming male part abuts against the side face of the product, the first sliding block drives the second sliding block to move horizontally during die assembly, the second sliding block drives the third sliding block to move upwards, and the top of the third sliding block is provided with a forming face, the forming surface, the first forming male part and the second forming male part are combined to form a bending inner buckle forming structure.
As a further description of the above technical solution:
a limiting column is arranged in the first mounting groove and located below the first sliding block, and a limiting groove matched with the limiting column is formed in the first sliding block.
As a further description of the above technical solution:
the limiting column is sleeved with a spring.
As a further description of the above technical solution:
one side of first slider bottom is provided with first inclined plane, the one end at second slider top sets up the matching the second inclined plane on first inclined plane, the other end at second slider top is provided with the third inclined plane, be provided with on the third slider and match the fourth inclined plane on third inclined plane.
As a further description of the above technical solution:
one side of first mounting groove is provided with the second mounting groove, fixedly connected with nitrogen gas spring in the second mounting groove, the relative other end of nitrogen gas spring is connected on the second slider.
As a further description of the above technical solution:
the bottom of first mounting groove is provided with the third mounting groove, the removable antifriction plate that is connected with in the third mounting groove.
As a further description of the above technical solution:
the lower die base is provided with a lower die plate, the first forming die and the second forming die are mounted on the lower die plate, a channel is formed in the lower die plate, and the third sliding block is arranged in the channel in a penetrating mode.
As a further description of the above technical solution:
the lower die plate is provided with a limiting groove, a limiting block is arranged in the limiting groove, one end of the limiting block extends into the channel, one side of the third sliding block is provided with an avoiding notch, and the width of the avoiding notch is matched with the width of the limiting block entering the channel.
On the other hand, the invention also provides a multi-bending inner buckle forming method of the high-strength side plate part of the automobile seat, which comprises the following steps of:
1) placing the product on the first forming pin and the second forming pin against the side of the product;
2) the upper die moves downwards to enable the first sliding block to move downwards, the first sliding block drives the second sliding block to move rightwards and compress the nitrogen spring, the second sliding block drives the third sliding block to move upwards, and the third sliding block is matched with the first forming male, the second forming male and the upper forming male group to complete multiple-bending inner buckle forming of the product;
3) the upper die moves upwards, the first sliding block is separated from the upper die, the first sliding block resets under the action of the spring, the second sliding block resets under the action of the nitrogen spring, the third sliding block is separated from the product at the moment, the whole forming process is completed, and the product is taken out.
1. According to the invention, the first slide block, the second slide block and the third slide block are arranged to form a transfer die structure, so that compared with a traditional single-process die, the production efficiency can be improved, the traditional angle forming slide block is changed into a parallel slide block, the parallel slide block can finish the forming of two or more side shapes at one time, and the smooth material returning of a product can be ensured, thereby achieving the purpose of improving the forming quality and efficiency.
2. According to the invention, the downward distance of the first sliding block can be limited through the arranged limiting column, so that the molding quality can be ensured, the lower template is provided with the limiting groove, the limiting block is arranged in the limiting groove, one end of the limiting block extends into the channel, one side of the third sliding block is provided with the avoidance notch, the width of the avoidance notch is matched with the width of the limiting block entering the channel, the upward movement of the third sliding block can be limited through the limiting block, and the molding quality can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a multiple-bending inner buckle forming structure of a side plate part of an automobile seat.
FIG. 2 is a forming completion state diagram of a multiple-bending inner buckle forming structure of a side plate part of an automobile seat.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Illustration of the drawings:
1. a lower die holder; 2. a first slider; 21. a first inclined plane; 3. a second slider; 31. a second inclined plane; 4. a third slider; 41. molding surface; 42. a fourth slope; 43. avoiding the notch; 5. a first mounting groove; 51. a second mounting groove; 52. a nitrogen spring; 53. a third mounting groove; 54. a wear plate; 6. a first molding male; 7. a second forming male; 8. a limiting column; 9. a lower template; 91. a channel; 92. a limiting groove; 93. a limiting block; 10. and (5) producing the product.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a multi-bending inner buckle forming structure of a side plate part of an automobile seat comprises a lower die holder 1, a first sliding block 2, a second sliding block 3, a third sliding block 4 and a lower forming male group, wherein the first sliding block 2, the second sliding block 3, the third sliding block 4 and the lower forming male group are arranged on the lower die holder 1, a first mounting groove 5 is formed in the lower die holder 1, the second sliding block 3 is connected to the bottom of the first mounting groove 5 in a sliding mode, the first sliding block 2 is mounted above one end of the second sliding block 3, the third sliding block 4 is mounted above the other end of the second sliding block 3, the lower forming male group comprises a first forming male 6 and a second forming male 7, the second forming male 7 is located on one side of the first forming male 6, a product 10 is placed on the first forming male 6, the second forming male 7 abuts against the side face of the product 10, and during die assembly, the first sliding block 2 drives the second sliding block 3 to move horizontally, the second sliding block 3 drives the third sliding block 4 to move upwards, the top of the third sliding block 4 is provided with a forming surface 41, and the forming surface 41, the first forming male 6 and the second forming male 7 are combined to form a bending inner buckle forming structure.
A limiting column 8 is arranged in the first mounting groove 5, the limiting column 8 is located below the first sliding block 2, and a limiting groove matched with the limiting column 8 is formed in the first sliding block 2. Can restrict first slider and move down, improve the shaping effect.
And a spring is sleeved on the limiting column 8. The first sliding block can be ensured to reset, and the stamping efficiency can be improved.
One side of first slider 2 bottom is provided with first inclined plane 21, the one end at second slider 3 top is provided with the matching second inclined plane 31 on first inclined plane 21, the other end at second slider 3 top is provided with third inclined plane 32, be provided with on the third slider 4 and match fourth inclined plane 42 on third inclined plane 32. The driving effect among the first slider, the second slider and the third slider can be improved.
A second mounting groove 51 is formed in one side of the first mounting groove 5, a nitrogen spring 52 is fixedly connected to the inside of the second mounting groove 51, and the other end, opposite to the nitrogen spring 52, of the nitrogen spring is connected to the second sliding block 3. The automatic reset of the second sliding block can be ensured, and the stamping efficiency can be improved.
A third installation groove 53 is formed in the bottom of the first installation groove 5, and a wear plate 54 is detachably connected to the third installation groove 53. Because the second slider slides back and forth, it is big to the machine wearing and tearing, can reduce the degree of wear of machine through the antifriction plate, improves life.
The lower die holder 1 is provided with a lower die plate 9, the first forming male 6 and the second forming male 7 are mounted on the lower die plate 9, the lower die plate 9 is provided with a channel 91, and the third sliding block 4 is arranged in the channel 91 in a penetrating mode. The third sliding block can be limited from moving left and right, thereby improving the quality.
A limiting groove 92 is formed in the lower template 9, a limiting block 93 is arranged in the limiting groove 92, one end of the limiting block 93 extends into the channel 91, an avoiding notch 43 is formed in one side of the third slider 4, and the width of the avoiding notch 43 is matched with the width of the limiting block 93 entering the channel 91. When the third sliding block 4 moves upwards, the limiting block can block the bottom of the avoiding notch to prevent the avoiding notch from continuously moving upwards, and the forming quality is improved.
On the other hand, the invention also provides a multi-bending inner buckle forming method of the high-strength side plate part of the automobile seat, which comprises the following steps of:
1) placing the product on the first forming pin 6 with the second forming pin 7 against the side of the product;
2) the upper die moves downwards, so that the first sliding block 2 moves downwards, the first sliding block 2 drives the second sliding block 3 to move rightwards and compress the nitrogen spring, the second sliding block 3 drives the third sliding block 4 to move upwards, and the third sliding block 4 is matched with the first forming male 6, the second forming male 7 and the upper forming male group to complete the multiple-bending inner buckle forming of the product;
3) the upper die moves upwards, the first sliding block 2 is separated from the upper die, the first sliding block 2 resets under the action of the spring, the second sliding block 3 resets under the action of the nitrogen spring, the third sliding block 4 is separated from the product at the moment, the whole forming process is completed, and the product is taken out.
The working principle is as follows: when a product is molded, the first sliding block 2 moves downwards to push the second sliding block 3 to move rightwards, the second sliding block 3 pushes the third sliding block to move upwards to be bent and molded, compared with a traditional single-process die, the production efficiency can be improved, the traditional angle molding sliding block is changed into a parallel sliding block, the parallel sliding block can finish the shape forming of two or more side surfaces at one time, and the product can be ensured to be smoothly returned, so that the aim of improving the molding quality and efficiency can be achieved; can restrict the descending distance of first slider through the spacing post that sets up to can guarantee fashioned quality, be provided with the spacing groove on the lower bolster, the limiting groove is provided with the stopper, and the one end of stopper extends the entering passageway, and one side of third slider sets up dodges the breach, and the width of dodging the breach and the width phase-match that the stopper entered the passageway can restrict the ascending removal of third slider through the stopper, can improve fashioned quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The multiple-bending inner buckle forming structure for the automobile seat side plate part is characterized by comprising a lower die holder (1), a first sliding block (2), a second sliding block (3), a third sliding block (4) and a lower forming male group, wherein the first sliding block (2), the second sliding block (3), the third sliding block (4) and the lower forming male group are arranged on the lower die holder (1), the first mounting groove (5) is formed in the lower die holder (1), the second sliding block (3) is connected to the bottom of the first mounting groove (5) in a sliding mode, the first sliding block (2) is mounted above one end of the second sliding block (3), the third sliding block (4) is mounted above the other end of the second sliding block (3), the lower forming male group comprises a first forming male group (6) and a second forming male group (7), the second forming male group (7) is located on one side of the first forming male group (6), and a product (10) is placed on the first forming male group (6), the second forming male die (7) props against the side face of the product (10), when the die is closed, the first sliding block (2) moves downwards to drive the second sliding block (3) to move horizontally, the second sliding block (3) drives the third sliding block (4) to move upwards, the top of the third sliding block (4) is provided with a forming surface (41), and the forming surface (41), the first forming male die (6) and the second forming male die (7) are combined to form a bending inner buckling forming structure.
2. The multiple-bending inner buckle forming structure for the automobile seat side plate part according to claim 1, wherein a limiting column (8) is arranged in the first mounting groove (5), the limiting column (8) is located below the first sliding block (2), and a limiting groove matched with the limiting column (8) is arranged on the first sliding block (2).
3. The multiple-bending inner buckle forming structure for the automobile seat side plate part as claimed in claim 2, wherein a spring is sleeved on the limiting column (8).
4. The multiple-bending inner buckle forming structure for the automobile seat side plate part according to claim 1, wherein a first inclined surface (21) is arranged on one side of the bottom of the first sliding block (2), a second inclined surface (31) matched with the first inclined surface (21) is arranged at one end of the top of the second sliding block (3), a third inclined surface (32) is arranged at the other end of the top of the second sliding block (3), and a fourth inclined surface (42) matched with the third inclined surface (32) is arranged on the third sliding block (4).
5. The multiple-bending inner buckle forming structure of the automobile seat side plate part according to claim 1, wherein a second installation groove (51) is formed in one side of the first installation groove (5), a nitrogen spring (52) is fixedly connected in the second installation groove (51), and the other opposite end of the nitrogen spring (52) is connected to the second sliding block (3).
6. The multiple-bending inner buckle forming structure of the automobile seat side plate part according to claim 1, wherein a third installation groove (53) is formed in the bottom of the first installation groove (5), and a wear plate (54) is detachably connected in the third installation groove (53).
7. The multiple-bending inner buckle forming structure of the side plate part of the automobile seat according to claim 1, wherein a lower template (9) is arranged on the lower template (1), the first forming male die (6) and the second forming male die (7) are installed on the lower template (9), a channel (91) is arranged on the lower template (9), and the third sliding block (4) is arranged in the channel (91) in a penetrating manner.
8. The multiple-bending inner buckle forming structure for the side plate part of the automobile seat according to claim 7, wherein a limiting groove (92) is formed in the lower template (9), a limiting block (93) is arranged in the limiting groove (92), one end of the limiting block (93) extends into the channel (91), an avoiding notch (43) is formed in one side of the third sliding block (4), and the width of the avoiding notch (43) is matched with the width of the limiting block (93) entering the channel (91).
9. The method for forming the multiple-bending inner buckle of the high-strength side plate part of the automobile seat according to any one of claims 1 to 9, characterized by comprising the following steps of:
1) placing the product on a first forming pin (6) with a second forming pin (7) against the side of the product;
2) the upper die moves downwards, so that the first sliding block (2) moves downwards, the first sliding block (2) drives the second sliding block (3) to move rightwards and compress the nitrogen spring, the second sliding block (3) drives the third sliding block (4) to move upwards, and the third sliding block (4) is matched with the first forming male die (6), the second forming male die (7) and the upper forming male die set to finish the multiple-bending inner buckling forming of a product;
3) go up the mould and go up, first slider (2) break away from last mould, and first slider (2) reset under the effect of spring, and second slider (3) reset under the effect of nitrogen gas spring, and third slider (4) break away from the product this moment, accomplish whole forming process, take out the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402905.1A CN113145696A (en) | 2021-04-14 | 2021-04-14 | Multi-bending inner buckle forming structure and method for automobile seat side plate part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402905.1A CN113145696A (en) | 2021-04-14 | 2021-04-14 | Multi-bending inner buckle forming structure and method for automobile seat side plate part |
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| Publication Number | Publication Date |
|---|---|
| CN113145696A true CN113145696A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110402905.1A Pending CN113145696A (en) | 2021-04-14 | 2021-04-14 | Multi-bending inner buckle forming structure and method for automobile seat side plate part |
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| CN (1) | CN113145696A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203044681U (en) * | 2013-01-23 | 2013-07-10 | 无锡威唐金属科技有限公司 | Upside-down stamping die |
| CN203470674U (en) * | 2013-09-18 | 2014-03-12 | 无锡龙筠模具制造有限公司 | Stamping die for internally-buckled bent parts |
| CN203495023U (en) * | 2013-10-10 | 2014-03-26 | 无锡威唐金属科技有限公司 | Self sliding block side punching forming die |
| CN204603022U (en) * | 2015-01-09 | 2015-09-02 | 东莞市中泰模具股份有限公司 | A kind of in-flanges and back-off moulding punching machine structure |
| CN204770190U (en) * | 2015-06-17 | 2015-11-18 | 怡得乐电子(杭州)有限公司 | A mould structure for product shaping adjustment |
| CN105522038A (en) * | 2014-09-28 | 2016-04-27 | 安徽华星消防设备(集团)有限公司 | Slanting wedge punching die for automobile sheet metal parts |
| CN209110019U (en) * | 2018-09-10 | 2019-07-16 | 广州敏惠汽车零部件有限公司 | A kind of mould structure of the upward bound edge of doorframe center pillar inner and outer plates |
| CN211386578U (en) * | 2019-08-13 | 2020-09-01 | 无锡科里斯特科技有限公司 | One-step completed inner buckle bending die |
| CN212469459U (en) * | 2020-04-29 | 2021-02-05 | 上海盛德金属制品有限公司 | Reverse punching die structure of slide block driving connecting rod |
-
2021
- 2021-04-14 CN CN202110402905.1A patent/CN113145696A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203044681U (en) * | 2013-01-23 | 2013-07-10 | 无锡威唐金属科技有限公司 | Upside-down stamping die |
| CN203470674U (en) * | 2013-09-18 | 2014-03-12 | 无锡龙筠模具制造有限公司 | Stamping die for internally-buckled bent parts |
| CN203495023U (en) * | 2013-10-10 | 2014-03-26 | 无锡威唐金属科技有限公司 | Self sliding block side punching forming die |
| CN105522038A (en) * | 2014-09-28 | 2016-04-27 | 安徽华星消防设备(集团)有限公司 | Slanting wedge punching die for automobile sheet metal parts |
| CN204603022U (en) * | 2015-01-09 | 2015-09-02 | 东莞市中泰模具股份有限公司 | A kind of in-flanges and back-off moulding punching machine structure |
| CN204770190U (en) * | 2015-06-17 | 2015-11-18 | 怡得乐电子(杭州)有限公司 | A mould structure for product shaping adjustment |
| CN209110019U (en) * | 2018-09-10 | 2019-07-16 | 广州敏惠汽车零部件有限公司 | A kind of mould structure of the upward bound edge of doorframe center pillar inner and outer plates |
| CN211386578U (en) * | 2019-08-13 | 2020-09-01 | 无锡科里斯特科技有限公司 | One-step completed inner buckle bending die |
| CN212469459U (en) * | 2020-04-29 | 2021-02-05 | 上海盛德金属制品有限公司 | Reverse punching die structure of slide block driving connecting rod |
Non-Patent Citations (1)
| Title |
|---|
| 中国锻压协会编著, 国防工业出版社 * |
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Application publication date: 20210723 |