CN220144448U - Novel high-strength steel plate deep hole flanging die - Google Patents
Novel high-strength steel plate deep hole flanging die Download PDFInfo
- Publication number
- CN220144448U CN220144448U CN202322779988.3U CN202322779988U CN220144448U CN 220144448 U CN220144448 U CN 220144448U CN 202322779988 U CN202322779988 U CN 202322779988U CN 220144448 U CN220144448 U CN 220144448U
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- China
- Prior art keywords
- die
- hole flanging
- guide post
- hole
- stripping insert
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a novel high-strength steel plate deep hole flanging die, which comprises an upper die and a lower die which can move up and down relatively; the upper die comprises: the device comprises an upper die holder, a hole flanging male die and an upper pressing plate; the lower die includes: the device comprises a lower female die, a lower die holder, a nitrogen spring, a guide post, a lower stripping insert, an adjusting cushion block, a male die and a screw; the outer side of one end of the lower stripping insert is of a spherical structure, and the inner side of the lower stripping insert is provided with a cylindrical step structure; one end of the guide post is connected with the nitrogen spring, the other end of the guide post is of a concave spherical structure, the concave spherical surface is matched with the spherical structure at the lower end of the lower stripping insert, and the lower stripping insert can flow along with the spherical surface micro-adjustment laminating plate. The novel high-strength steel plate deep hole flanging die provided by the utility model has the advantages that when a high-strength steel plate deep hole flanging product is processed, the deep hole flanging forming part is not cracked, the edge is smooth, meanwhile, the fluidity of the product blank in the die tends to be stable, and the stable production of the die is ensured.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a novel high-strength steel plate deep hole flanging die.
Background
With the development of the automobile industry, the application of the high-strength steel plate on automobile parts is becoming wider and wider. Compared with the common steel plate, the deep hole flanging cracking of the high-strength steel plate is a difficult problem, and the hole diameter and the hole flanging depth are all reasons for possibly causing the cracking. Therefore, it is important to develop a stable and feasible novel deep hole flanging process for high-strength steel plates.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the novel high-strength steel plate deep hole flanging die provided by the utility model can solve the problem of deep hole flanging cracking by combining the hole flanging mechanisms, adopting a material clamping flanging mode and controlling the flow state of the material at the hole flanging part of the plate through adjusting the cushion block.
A novel high-strength steel plate deep hole flanging die comprises an upper die and a lower die which can move up and down relatively; the upper die comprises: the device comprises an upper die holder, a hole flanging male die and an upper pressing plate; the lower die includes: the device comprises a lower female die, a lower die holder, a nitrogen spring, a guide post, a lower stripping insert, an adjusting cushion block and a male die;
the hole flanging male die is fixed on the upper die holder;
the upper pressing plate is provided with a through hole, and the hole flanging male die is in clearance fit with the through hole of the upper pressing plate;
the male die is fixed on the lower die holder;
the lower female die is provided with a through hole which is fixed on the male die;
the outer side of one end of the lower stripping insert is of a spherical structure, and the inner side of the lower stripping insert is provided with a cylindrical step structure;
one end of the nitrogen spring is fixedly arranged on the lower die holder, and the top surface of the piston at the other end of the nitrogen spring is propped against the lower bottom surface of the guide post;
the male die is provided with a through hole, and is in clearance fit with the guide post, and the guide post can move in the through hole;
one end of the guide post is connected with the nitrogen spring, the other end of the guide post is of a concave spherical structure, the concave spherical surface is matched with the spherical structure at the lower end of the lower stripping insert, and the lower stripping insert can slightly adjust the flow of the laminating plate along with the spherical surface;
the adjusting cushion block is locked and attached on the guide post through a screw, a cylindrical step is arranged on the outer side of the adjusting cushion block, and the adjusting cushion block is in transition fit with the cylindrical step structure on the inner side of the lower stripping insert.
Further, the clearance between the hole flanging male die and the through hole of the upper pressing plate is 0.5mm on one side.
The beneficial effects of the utility model are as follows:
when the die is used for processing a product with a high-strength steel plate and a deep hole flanging, the deep hole flanging forming part is free from cracking, the edge is smooth, the product quality is improved, meanwhile, the fluidity of a product blank in the die tends to be stable, and the stable production of the die is ensured;
the deep hole flanging product can be processed by using common equipment, so that the processing of special forming equipment is reduced, and the production cost is reduced;
the rejection rate is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a cross-sectional view of the present utility model prior to mold closure;
FIG. 2 is a cross-sectional view of the mold of the present utility model after it has been closed;
FIG. 3 is a cross-sectional view of a lower stripper insert of the present utility model;
FIG. 4 is a cross-sectional view of an adjustment block of the present utility model;
FIG. 5 is a cross-sectional view of a guide post of the present utility model;
in the figure: 1-hole flanging male die, 2-upper pressing plate, 3-plate, 4-lower female die, 5-lower stripping insert, 6-adjusting cushion block, 7-guide pillar, 8-male die, 9-nitrogen spring, 10-lower die holder, 11-upper die holder and 12-screw;
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 and 2, the embodiment of the utility model provides a novel high-strength steel plate deep hole flanging die, which comprises an upper die and a lower die which can move up and down relatively; the upper die comprises: the upper die holder 11, the hole flanging male die 1 and the upper pressing plate 2; the lower die includes: the lower die comprises a lower die 4, a lower die holder 10, a nitrogen spring 9, a guide post 7, a lower stripping insert 5, an adjusting cushion block 6, a male die 8 and a screw 12;
the hole flanging male die 1 is fixed on an upper die holder 11; the upper pressing plate 2 is provided with a through hole, and the hole flanging male die 1 is in clearance fit with the through hole of the upper pressing plate 2; the male die 8 is fixed on the lower die holder 10; the lower female die 4 is provided with a through hole which is fixed on the male die 8; the outer side of one end of the lower stripping insert 5 is of a spherical structure, and the inner side of the lower stripping insert is provided with a cylindrical step structure; one end of the nitrogen spring 9 is fixedly arranged on the lower die holder 10, and the top surface of the piston at the other end of the nitrogen spring is propped against the lower bottom surface of the guide post 7;
the male die 8 is provided with a through hole, and is in clearance fit with the guide post 7, and the guide post 7 can move in the through hole; one end of the guide post 7 is connected with the nitrogen spring 9, the other end of the guide post is of a concave spherical structure, the concave spherical surface is matched with the spherical structure at the lower end of the lower stripping insert 5, and the lower stripping insert 5 can slightly adjust the joint plate along with the spherical surface to flow; the adjusting cushion block 6 is locked and attached on the guide post 7 through a screw 12, a cylindrical step is arranged on the outer side of the adjusting cushion block, and the adjusting cushion block is in transition fit with the cylindrical step structure on the inner side of the lower stripping insert 5.
The working process of the die is as follows: the plate 3 is placed on a lower die, a part of the plate 3 is arranged on a lower die 4, a flanging hole forming part is arranged above a through hole of the lower die 4, a nitrogen spring 9 is in a release state, a lower stripping insert 5, an adjusting cushion block 6 and a guide post 7 are jacked up, and the upper surface of the adjusting cushion block 6 is kept level with the upper surface of the plate 3.
The mould starts to close, the upper pressing plate 2 is contacted with the plate 3 first, and the plate 3 is pressed on the lower die 4. The upward hole flanging male die 1 continues to move downwards and simultaneously contacts with the upper surface of the part, needing flanging, of the plate 3 and the upper surface of the adjusting cushion block 6, and as the hole flanging male die 1 moves downwards, the hole flanging male die 1 and the lower stripping insert 5 clamp the plate to move downwards and drive the guide post 7 to move downwards, and the nitrogen spring 9 is compressed. After the hole flanging of the plate is completed, the upper die and the lower die of the die are separated, and the lower stripper insert 5, the adjusting cushion block 6 and the guide post 7 are jacked up by the nitrogen spring 9, so that the whole working process is completed.
In the hole flanging process, a gasket is added between the male die 8 and the upper die seat 11 to control and adjust the gap between the cushion block 6 and the hole flanging male die 1, so that the material flowing speed of the hole flanging part is controlled, and the deep hole flanging cracking of the high-strength steel plate can be successfully eliminated.
When the die is used for processing a product with a high-strength steel plate and a deep hole flanging, the deep hole flanging forming part is free from cracking, the edge is smooth, the product quality is improved, meanwhile, the fluidity of a product blank in the die tends to be stable, and the stable production of the die is ensured; the deep hole flanging product can be processed by using common equipment, so that the processing of special forming equipment is reduced, and the production cost is reduced; the rejection rate is reduced, and the production efficiency is improved.
The foregoing is merely an example of the present utility model, and the specific structures and features of common knowledge known in the art are not described herein too much, so that those skilled in the art will readily understand that the scope of the present utility model is not limited to such specific embodiments. Variations and modifications can be made without departing from the scope of the utility model, which is to be considered as limited to the details of construction and the utility of the patent.
Claims (2)
1. A novel high-strength steel plate deep hole flanging die is characterized by comprising an upper die and a lower die which can move up and down relatively; the upper die comprises: the device comprises an upper die holder (11), a hole flanging male die (1) and an upper pressing plate (2); the lower die includes: the lower die comprises a lower female die (4), a lower die holder (10), a nitrogen spring (9), a guide pillar (7), a lower stripping insert (5), an adjusting cushion block (6), a male die (8) and a screw (12);
the hole flanging male die (1) is fixed on the upper die holder (11);
the upper pressing plate (2) is provided with a through hole, and the hole flanging male die (1) is in clearance fit with the through hole of the upper pressing plate (2);
the male die (8) is fixed on the lower die holder (10);
the lower female die (4) is provided with a through hole which is fixed on the male die (8);
the outer side of one end of the lower stripping insert (5) is of a spherical structure, and the inner side of the lower stripping insert is provided with a cylindrical step structure;
one end of the nitrogen spring (9) is fixedly arranged on the lower die holder (10), and the top surface of the piston at the other end of the nitrogen spring is propped against the lower bottom surface of the guide post (7);
the male die (8) is provided with a through hole, and is in clearance fit with the guide post (7), and the guide post (7) can move in the through hole;
one end of the guide post (7) is connected with the nitrogen spring (9), the other end of the guide post is of a concave spherical structure, the concave spherical surface is matched with the spherical structure at the lower end of the lower stripping insert (5), and the lower stripping insert (5) can slightly adjust the joint plate to flow along with the spherical surface;
the adjusting cushion block (6) is locked and attached on the guide post (7) through a screw (12), a cylindrical step is arranged on the outer side of the adjusting cushion block, and the adjusting cushion block is in transition fit with the cylindrical step structure on the inner side of the lower stripping insert (5).
2. The novel high-strength steel plate deep hole flanging die according to claim 1, wherein a gap between the hole flanging male die (1) and the through hole of the upper pressing plate (2) is 0.5mm on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779988.3U CN220144448U (en) | 2023-10-17 | 2023-10-17 | Novel high-strength steel plate deep hole flanging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779988.3U CN220144448U (en) | 2023-10-17 | 2023-10-17 | Novel high-strength steel plate deep hole flanging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220144448U true CN220144448U (en) | 2023-12-08 |
Family
ID=89015556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322779988.3U Active CN220144448U (en) | 2023-10-17 | 2023-10-17 | Novel high-strength steel plate deep hole flanging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220144448U (en) |
-
2023
- 2023-10-17 CN CN202322779988.3U patent/CN220144448U/en active Active
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