CN215467548U - Aluminum alloy flanging die structure - Google Patents
Aluminum alloy flanging die structure Download PDFInfo
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- CN215467548U CN215467548U CN202121767822.4U CN202121767822U CN215467548U CN 215467548 U CN215467548 U CN 215467548U CN 202121767822 U CN202121767822 U CN 202121767822U CN 215467548 U CN215467548 U CN 215467548U
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- pressing device
- material pressing
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Abstract
The utility model relates to an aluminum alloy flanging die structure, which comprises an upper die base, a lower die, a flanging insert, a lower material presser and an upper material presser, wherein the lower die is fixedly arranged on the lower die base; the upper material pressing device is correspondingly arranged above the lower die and is connected to the upper die base in a manner of sliding along the vertical direction; the lower material pressing device is correspondingly arranged below the flanging insert, the lower material pressing device is connected to the lower die base in a sliding mode along the up-down direction, and a nitrogen cylinder which upwards pushes the lower material pressing device tightly is arranged between the lower material pressing device and the lower die base; the upper side surface of the lower material pressing device is a lower material pressing device working surface which is inclined downwards from inside to outside; the lower side of the flanging insert is provided with a flanging insert working surface matched with the working surface of the lower material pressing device. The utility model can effectively reduce the resilience amount of the aluminum alloy plate in the flanging forming process.
Description
Technical Field
The utility model relates to a die, in particular to an aluminum alloy flanging die structure.
Background
With the development of the automotive industry, aluminum alloy sheets are widely used in the development of automotive body parts, particularly automotive body panels. The aluminum alloy plate can not only reduce the weight of the vehicle body and reduce the oil consumption, but also improve the strength and the corrosion resistance of the whole vehicle. However, the aluminum alloy sheet has some defects in the aspect of stamping performance, and has great difference from the traditional steel sheet stamping in the aspects of formability, forming process, production condition requirements and the like. Particularly, the rebound quantity after molding is far larger than that of a rigid plate, and the method becomes an important problem in the development process of the aluminum alloy plate die at the present stage.
Disclosure of Invention
The utility model aims to provide an aluminum alloy flanging die structure which is used for effectively reducing the resilience of an aluminum alloy plate in the flanging forming process.
The utility model relates to an aluminum alloy flanging die structure which comprises an upper die base, a lower die, a flanging insert, a lower material pressing device and an upper material pressing device, wherein the lower die is fixedly arranged on the lower die base; the upper material pressing device is correspondingly arranged above the lower die and is connected to the upper die base in a manner of sliding along the vertical direction; the lower material pressing device is correspondingly arranged below the flanging insert, the lower material pressing device is connected to the lower die base in a sliding mode along the vertical direction, and a nitrogen cylinder which upwards pushes the lower material pressing device tightly is arranged between the lower material pressing device and the lower die base; the upper side surface of the lower material pressing device is a lower material pressing device working surface which is inclined downwards from inside to outside; the lower side of the flanging insert is provided with a flanging insert working surface matched with the working surface of the lower material pressing device, the inner edge of the flanging insert working surface is connected with the lower edge of the inner side surface of the flanging insert, and the flanging insert working surface is inclined downwards from inside to outside.
Further, the included angle between the working surface of the lower material pressing device and the inner and outer directions is 30 degrees, and the included angle between the working surface of the flanging insert and the inner and outer directions is 30 degrees.
The lower die holder is provided with a lower die holder, the lower die holder is provided with a screw rod, the screw rod is in sliding fit with the through hole, the lower die holder is provided with a limiting bolt, the lower die holder is fixedly connected with the lower end of the limiting bolt, the lower die holder is provided with a through hole which penetrates through the lower die holder along the vertical direction, and the upper end of the limiting bolt is a bolt head used for limiting the stroke top dead center of the lower die holder.
Furthermore, a sliding sleeve is sleeved on the limiting bolt.
Further, a guide plate is fixedly connected to the lower material pressing device, a sliding groove extending in the up-down direction is formed in the lower die holder, and the guide plate is connected with the sliding groove in a sliding mode.
The utility model can effectively reduce the resilience amount of the aluminum alloy plate in the flanging forming process.
Drawings
FIG. 1 is a schematic structural diagram of an aluminum alloy flanging die structure in the embodiment;
FIG. 2 is a schematic partial structural view of an aluminum alloy flanging die structure in the embodiment;
FIG. 3 is a schematic partial structural view of an aluminum alloy flanging die structure in the embodiment;
FIG. 4 is a schematic structural view of the burring insert and the lower presser in the embodiment.
In the figure: 1-a lower die holder; 2, an upper die holder; 3, lower die; 4-flanging insert block; 5, pressing a material device; 6, feeding a material pressing device; 7-nitrogen cylinder; 8, a guide plate; 9-a limit bolt; 10, sliding sleeve; 11-inner side surface of lower material pressing device; 12-working surface of lower material pressing device; 13-inner side of flanging insert; 14-flanging insert working face; 15, the plate to be processed.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 to 4, the aluminum alloy flanging die structure comprises an upper die holder 2, a lower die holder 1, a lower die 3, a flanging insert 4, a lower material presser 5 and an upper material presser 6, wherein the lower die 3 is fixedly mounted on the lower die holder 1 through a bolt, the flanging insert 4 is fixedly connected to the upper die holder 2 through a bolt, and the flanging insert 4 is located on the outer side of the lower die 3 when viewed from top to bottom; the upper material pressing device 6 is correspondingly arranged above the lower die 3, and the upper material pressing device 6 is connected to the upper die holder 2 in a manner of sliding along the vertical direction; the lower material pressing device 5 is correspondingly arranged below the flanging insert 4, the lower material pressing device 5 is connected to the lower die base 1 in a sliding mode along the up-down direction, and a nitrogen cylinder 7 which upwards pushes the lower material pressing device 5 tightly is arranged between the lower material pressing device 5 and the lower die base 1; the upper side surface of the lower material pressing device 5 is a lower material pressing device working surface 12 which is inclined downwards from inside to outside, the inner side surface of the lower material pressing device 5 is a lower material pressing device inner side surface 11, and the lower edge of the lower material pressing device inner side surface 11 is connected with the inner edge of the lower material pressing device working surface 12; the lower side of the flanging insert 4 is provided with a flanging insert working surface 14 matched with the lower material pressing device working surface 12, the inner side surface of the flanging insert 4 is a flanging insert inner side surface 13, the inner edge of the flanging insert working surface 14 is connected with the lower edge of the flanging insert inner side surface 13, and the flanging insert working surface 14 is inclined downwards from inside to outside.
Preferably, the included angle between the working surface 12 of the lower material pressing device and the inner and outer directions is 30 degrees, and the included angle between the working surface 14 of the flanging insert and the inner and outer directions is 30 degrees.
In this embodiment, the die further comprises a limit bolt 9 with a lower end fixedly connected to the lower die holder 1, a through hole penetrating through the lower material pressing device 5 in the up-down direction is formed in the lower material pressing device 5, the through hole is in sliding fit with a screw rod of the limit bolt 9, and the upper end of the limit bolt 9 is a bolt head used for limiting the stroke top dead center of the lower material pressing device 5.
In this embodiment, in order to ensure the smooth sliding of the lower presser 5, the limiting bolt 9 is sleeved with a sliding sleeve 10.
In this embodiment, a guide plate 8 is fixedly connected to the lower material pressing device 5, a sliding groove extending in the up-down direction is formed in the lower die holder 1, the guide plate 8 is connected with the sliding groove in a sliding manner, so that the lower material pressing device 5 can slide up and down along the sliding groove, the guide plate 8, the sliding groove, the limiting bolt 9 and the nitrogen cylinder 7 form a connecting structure between the lower material pressing device 5 and the lower die holder 1, and in specific implementation, the connecting structure between the upper material pressing device 6 and the upper die holder 2 can refer to the connecting structure between the lower material pressing device 5 and the lower die holder 1.
The working process of the aluminum alloy flanging die structure is as follows: the method comprises the steps that a to-be-processed plate 15 is placed on a lower die 3, after the die works and starts, an upper die base 2 pushes an upper material pressing device 6 and a flanging insert 4 to move downwards together, after the upper material pressing device 6 presses the to-be-processed plate 15, the upper material pressing device 6 stops moving, the flanging insert 4 continues to move downwards after being in downward contact with the upper surface of the to-be-processed plate 15, the to-be-processed plate 15 is pushed to extrude a lower material pressing device 5 to move downwards, the lower material pressing device 5 moves downwards to compress a nitrogen cylinder 7, the flanging insert 4 pushes the lower material pressing device 5 to move downwards through the to-be-processed plate 15 until the downward operation of an aluminum alloy flanging die structure is finished, and the forming of a flanging process of the to-be-processed plate 15 is achieved. And then, the upper die holder 2 drives the upper material pressing device 6 and the flanging insert 4 to move upwards together, meanwhile, the nitrogen cylinder 7 pushes the lower material pressing device 5 to move upwards and pushes the flanged plate 15 to be processed to move upwards until the lower material pressing device 5 moves to the stroke top dead center and is blocked by the bolt head of the limiting bolt 9, and the lower material pressing device 5 stops moving to complete the flanging forming process of the plate 15 to be processed.
The flanging insert working surface 14 of the flanging insert 4 is designed into an inclined profile, the lower material press working surface 12 of the lower material press 5 is also designed into an inclined profile, both working surfaces are designed into inclined profiles, and further, the included angle between the lower material press working surface 12 and the inner and outer directions is preferably 30 degrees, and the included angle between the flanging insert working surface 14 and the inner and outer directions is preferably 30 degrees. In the working process of the aluminum alloy flanging die structure, the material is pressed through the inclined molded surface, certain control force is applied to the flanging surface of the plate to be processed 15 to release the stress generated in the flanging process of the plate to be processed 15, the hardening stress of the flanging surface of the plate to be processed 15 in the flanging process can be greatly reduced, and the stress generated after the flanging of the plate to be processed 15 is prevented from causing large resilience of the whole plate to be processed 15.
Claims (5)
1. The utility model provides an aluminum alloy turn-ups mould structure which characterized in that: comprises an upper die holder, a lower die, a flanging insert, a lower material pressing device and an upper material pressing device,
the lower die is fixedly arranged on the lower die base, the flanging insert is fixedly connected to the upper die base, and the flanging insert is positioned on the outer side of the lower die when viewed from top to bottom;
the upper material pressing device is correspondingly arranged above the lower die and is connected to the upper die base in a manner of sliding along the vertical direction;
the lower material pressing device is correspondingly arranged below the flanging insert, the lower material pressing device is connected to the lower die base in a sliding mode along the vertical direction, and a nitrogen cylinder which upwards pushes the lower material pressing device tightly is arranged between the lower material pressing device and the lower die base;
the upper side surface of the lower material pressing device is a lower material pressing device working surface which is inclined downwards from inside to outside;
the lower side of the flanging insert is provided with a flanging insert working surface matched with the working surface of the lower material pressing device, the inner edge of the flanging insert working surface is connected with the lower edge of the inner side surface of the flanging insert, and the flanging insert working surface is inclined downwards from inside to outside.
2. The aluminum alloy flanging die structure of claim 1, characterized in that: the included angle between the working surface of the lower material pressing device and the inner and outer directions is 30 degrees, and the included angle between the working surface of the flanging insert and the inner and outer directions is 30 degrees.
3. The aluminum alloy flanging die structure of claim 1, characterized in that: the lower die holder is characterized by further comprising a limiting bolt, the lower end of the limiting bolt is fixedly connected to the lower die holder, a through hole penetrating through the lower material pressing device in the vertical direction is formed in the lower material pressing device, the through hole is in sliding fit with a screw rod of the limiting bolt, and the upper end of the limiting bolt is a bolt head used for limiting the stroke top dead center of the lower material pressing device.
4. The aluminum alloy flanging die structure of claim 3, characterized in that: the limiting bolt is sleeved with a sliding sleeve.
5. The aluminum alloy flanging die structure of claim 1, characterized in that: the lower material pressing device is fixedly connected with a guide plate, a sliding groove extending along the vertical direction is formed in the lower die holder, and the guide plate is connected with the sliding groove in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767822.4U CN215467548U (en) | 2021-07-31 | 2021-07-31 | Aluminum alloy flanging die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767822.4U CN215467548U (en) | 2021-07-31 | 2021-07-31 | Aluminum alloy flanging die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215467548U true CN215467548U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121767822.4U Active CN215467548U (en) | 2021-07-31 | 2021-07-31 | Aluminum alloy flanging die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215467548U (en) |
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2021
- 2021-07-31 CN CN202121767822.4U patent/CN215467548U/en active Active
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