CN215355740U - Stamping, flanging and shaping die for forming car body panel - Google Patents
Stamping, flanging and shaping die for forming car body panel Download PDFInfo
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- CN215355740U CN215355740U CN202121366648.2U CN202121366648U CN215355740U CN 215355740 U CN215355740 U CN 215355740U CN 202121366648 U CN202121366648 U CN 202121366648U CN 215355740 U CN215355740 U CN 215355740U
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Abstract
The utility model discloses a stamping, flanging and shaping die, particularly discloses a stamping, flanging and shaping die for forming a car body panel, and belongs to the technical field of design and manufacturing of car body production process equipment. The stamping, flanging and shaping die for forming the car body panel is effectively reduced in processing and production cost. The stamping flanging and shaping die comprises a material pressing device, a lower die insert and a flanging and shaping insert, and further comprises a rigidity control assembly, a bending blank plate is in press-connection between the material pressing device and the lower die insert, and in the process of stamping flanging and shaping under the cooperation of the flanging and shaping insert, the amount of materials flowing into a flanging and shaping area is controlled by the rigidity control assembly.
Description
Technical Field
The utility model relates to a stamping, flanging and shaping die, in particular to a stamping, flanging and shaping die for forming a car body panel, and belongs to the technical field of design and manufacturing of car body production process equipment.
Background
In the shaping process in the stamping production, defects such as cracking, wrinkling and the like usually occur. In order to prevent the appearance defects such as material overlapping and wrinkling in the shaping area, a mechanism for controlling the inflow of the material is usually added outside the shaping area. According to the traditional control mechanism, elastic parts such as a spring, a nitrogen cylinder and the like are additionally arranged on an upper die or a lower die, the plate material in the outer side region of the shaping is pressed in the forming process, the inflow of the material is controlled by adjusting the pressure, the qualified product quality is ensured, but a set of material pressing mechanism is additionally arranged, so that the material cost of the die and the production and processing costs are obviously increased.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the stamping, flanging and shaping die for forming the car body panel is effectively reduced in processing and production cost.
The technical scheme adopted for solving the technical problems is as follows: the stamping flanging and shaping die for forming the car body panel comprises a material pressing device, a lower die insert and a flanging and shaping insert, and further comprises a rigidity control assembly, wherein a bending blank plate is pressed between the material pressing device and the lower die insert, and the amount of a material flowing into a flanging and shaping area is controlled by the rigidity control assembly in the process of stamping flanging and shaping under the cooperation of the flanging and shaping insert.
Furthermore, the rigidity control assembly at least comprises a pressing mechanism, and the technological pressing edge of the bent blank plate is pressed on the side wall of the lower die insert through the pressing mechanism in a moderate tightness mode.
In a preferred mode of the above scheme, the pressing mechanism is an integrally formed downward extending structure formed at the edge of the bottom of the flanging reshaping insert.
Furthermore, the extension structure is connected with the shaping bottom surface of the flanging shaping insert through an arc transition structure, transition arcs are arranged at corresponding corners of the lower die insert, and the radii of the arc transition structure and the transition arcs which are matched with each other are determined according to the amount of the plate to flow in.
In a preferred mode of the above scheme, the rigidity control assembly further comprises an adjusting mechanism, and the technical pressing edge of the bent blank plate is pressed on the side wall of the lower die insert in a proper tightness manner through the pressing mechanism under the cooperation of the adjusting mechanism.
Furthermore, the adjusting mechanism at least comprises a guide cushion block with a boss, and the guide cushion block is abutted to the outer side of the pressing mechanism through the boss.
In a preferable mode of the above scheme, the adjusting mechanism further comprises an adjusting gasket, and the tightness of the guide cushion block abutting against the pressing mechanism through the boss is adjusted through the adjusting gasket.
Further, the extension structure extends downward by a length h corresponding to the amount of material to be controlled that flows into the cuff shaping area.
Furthermore, the thickness W of the extension structure is 5-30 mm.
The utility model has the beneficial effects that: the application provides a technical scheme on the basis of current eccentric swage, lower mould mold insert and turn-ups plastic mold insert, improves to rigidity control assembly through the control mechanism who constitutes elastomeric element, then when carrying out punching press turn-ups plastic to the fashioned blank board of buckling, makes the crimping at the blank board of buckling between eccentric swage and lower mould mold insert, the in-process of punching press turn-ups plastic under the cooperation of turn-ups plastic mold insert, the volume of the material that flows into turn-ups plastic district passes through rigidity control assembly control. The device has the advantages that the smooth operation of the stamping and flanging shaping work is effectively controlled, meanwhile, the amount of materials flowing into the shaping area can be controlled according to needs, so that the defects of cracking, wrinkling and the like of a shaped stamping part are avoided, the quality of a product is ensured, a control mechanism consisting of the rigid control assembly can be arranged along with the combination of the die body, and the purpose of effectively reducing the processing and production cost is achieved.
Drawings
FIG. 1 is a schematic structural view of a stamping, flanging and shaping die for forming a car body panel.
Labeled as: the device comprises a material pressing device 1, a lower die insert 2, a flanging and shaping insert 3, a rigidity control assembly 4, a bent blank plate 5, a pressing mechanism 6, a technological pressing edge 7, an arc transition structure 8, a transition arc 9, an adjusting mechanism 10, a boss 11, a guide cushion block 12 and an adjusting gasket 13.
Detailed Description
Fig. 1 shows a stamping, flanging and shaping die for forming a car body panel, which can effectively reduce the processing and production cost. The stamping flanging and shaping die comprises a material pressing device 1, a lower die insert 2 and a flanging and shaping insert 3, and further comprises a rigidity control component 4, a bending blank plate 5 is pressed between the material pressing device 1 and the lower die insert 2, and in the process of stamping flanging and shaping under the cooperation of the flanging and shaping insert 3, the amount of materials flowing into a flanging and shaping area is controlled by the rigidity control component 4. The application provides a technical scheme on the basis of current eccentric swage, lower mould mold insert and turn-ups plastic mold insert, improves to rigidity control assembly through the control mechanism who constitutes elastomeric element, then when carrying out punching press turn-ups plastic to the fashioned blank board of buckling, makes the crimping at the blank board of buckling between eccentric swage and lower mould mold insert, the in-process of punching press turn-ups plastic under the cooperation of turn-ups plastic mold insert, the volume of the material that flows into turn-ups plastic district passes through rigidity control assembly control. The device has the advantages that the smooth operation of the stamping and flanging shaping work is effectively controlled, meanwhile, the amount of materials flowing into the shaping area can be controlled according to needs, so that the defects of cracking, wrinkling and the like of a shaped stamping part are avoided, the quality of a product is ensured, a control mechanism consisting of the rigid control assembly can be arranged along with the combination of the die body, and the purpose of effectively reducing the processing and production cost is achieved.
In the above embodiment, in order to save the production cost as much as possible, facilitate the operation in the stamping, flanging and shaping process, and facilitate the control of the amount of the material flowing into the shaping area, the rigidity control assembly 4 at least comprises the pressing mechanism 6, and the technical pressing edge 7 of the bent blank plate is pressed on the side wall of the lower die insert 2 through the pressing mechanism 6 with proper tightness. In this case, it is preferable that the pressing mechanism 6 is integrally formed in a downwardly extending structure at the bottom edge of the flange shaping insert 3. Similarly, except for the rigid control component 4, the extension structure is connected with the shaping bottom surface of the flanging shaping insert 3 through the arc transition structure 8, and the transition arc 9 is arranged at the corresponding corner of the lower die insert 2, so that the change of the radiuses of the arc transition structure 8 and the transition arc 9 which are matched with each other is realized to control the amount of the plate materials which need to flow into the whole area.
Furthermore, in order to control the rigidity control component 4 of panel inflow, except that a part is the downward extension structure of the edge of the bottom of the flanging and reshaping insert 3, the adjusting mechanism 10 is additionally arranged in the application, and the technical pressing edge 7 of the bent blank plate is pressed on the side wall of the lower die insert 2 by the pressing mechanism 6 with proper tightness under the cooperation of the adjusting mechanism 10. The adjusting mechanism 10 at least comprises a guide cushion block 12 with a boss 11, and the guide cushion block 12 is abutted to the outer side of the pressing mechanism 6 through the boss 11. In order to facilitate adjustment, the adjusting mechanism 10 further comprises an adjusting gasket 13, and the tightness of the guide cushion block 12 abutting against the pressing mechanism 6 through the boss 11 is adjusted through the adjusting gasket 13.
Meanwhile, according to the difference of the material amount flowing into the flanging and reshaping area, the length h of the downward extension of the extension structure is suitable for the material amount flowing into the flanging and reshaping area to be controlled. The thickness W of the extension structure is 5-30 mm.
In conclusion, the stamping, flanging and shaping die provided by the application for manufacturing the car body panel also has the following advantages,
1. the insert molding and a rigid part are added to perfectly replace the traditional material pressing mechanism, so that the purpose of controlling the inflow of materials is realized, and the mechanism has a simple structure and low processing and manufacturing cost;
2. the mechanism is a rigid structure, and compared with an elastic material pressing mechanism, the mechanism has the advantages of high use reliability, long service life and simple maintenance;
3. the mode that this mechanism control material flowed in is various nimble, and in the actual debugging process, very big reduction mould debugging degree of difficulty.
Example one
The purpose of the utility model is as follows: the rigid structure is mainly adopted to realize the purpose of controlling the inflow of materials, and the rigid structure replaces the traditional elastic pressing device, so that the purpose of reducing the manufacturing cost of the die is achieved.
The utility model mainly increases the modeling on the outer side of the flanging and reshaping insert to bend the plate in advance, and realizes the adjustment of material inflow by adjusting the bending modeling height, the size of a flanging fillet and the clearance between an upper die and a lower die after bending, and the specific mode is as follows:
1. the flanging reshaping insert is added with a pre-flanging moulding, namely the extension structure, outside the product boundary, as shown in fig. 1. The shaping depth is H, the pre-flanging modeling height is H, the width mainly depends on the strength of the insert and the strength of a formed plate, and the width W is 5-30 mm.
2. And a guide cushion block is added on the outer side of the flanging shaping insert, an adjusting gasket is arranged on the back of the flanging shaping insert, and the guide starting contact point and the flanging contact point of the lower die insert are basically kept synchronous or are led in 5-10 mm in advance. The main purpose of increasing the guide cushion block is to prevent lateral force and protect the upper die insert. The main purpose of the adjusting gasket is to adjust the gap between the pre-flanging area of the flanging reshaping insert and the flanging of the lower die insert, and adjust the friction force through adjusting the gap, so as to control the material to flow in.
3. The pre-flanging molding height h of the flanging shaping insert is adjusted, so that the time for starting pre-flanging can be adjusted, the accurate control in the molding process is realized, and when the material starts to flow into the mold, the material flow is controlled:
1) when H is greater than H, the pre-flanging molding of the shaping insert firstly contacts the material and completes flanging, and the shaping is started in the actual shaping area, so that the whole shaping process is ensured, and the material inflow is controlled in the outer area of the product;
2) when H is equal to H, the pre-flanging molding and actual shaping areas of the shaping insert are simultaneously contacted with the plate, so that the material with the thickness of 2-5 mm before shaping freely flows in, and the material flow is controlled in the later stage;
3) when H is less than H, the material flows freely in the early stage of shaping, the material flow is controlled in the later stage, and the flow-in time is determined by the difference between H and H.
4. The material inflow is controlled by adjusting the sizes of two fillets which are in contact with a plate material, namely the pre-flanging molding fillet of the shaping insert and the fillet of the lower die insert, and the smaller the fillet is, the larger the resistance is, and the smaller the inflow is.
5. The thickness of the gasket is adjusted, the size of the flanging gap is adjusted, the smaller the gap is, the larger the resistance is, and the smaller the material inflow is.
Claims (9)
1. The utility model provides a punching press turn-ups plastic mould for shaping of car body panel, includes eccentric swage (1), lower mould mold insert (2) and turn-ups plastic mold insert (3), its characterized in that: the stamping flanging and shaping die further comprises a rigid control assembly (4), a bending blank plate (5) is pressed between the material pressing device (1) and the lower die insert (2), and the amount of materials flowing into a flanging and shaping area is controlled by the rigid control assembly (4) in the process of stamping flanging and shaping under the cooperation of the flanging and shaping insert (3).
2. The stamping, flanging and shaping die for forming the car body panel according to claim 1, is characterized in that: the rigidity control assembly (4) at least comprises a pressing mechanism (6), and a technical pressing edge (7) of the bent blank plate (5) is pressed on the side wall of the lower die insert (2) through the pressing mechanism (6) in a proper tightness mode.
3. The stamping, flanging and shaping die for forming the car body panel according to claim 2, is characterized in that: the pressing mechanism (6) is of an integrally formed downward extending structure at the edge of the bottom of the flanging and reshaping insert (3).
4. The stamping, flanging and shaping die for forming the car body panel according to claim 3, is characterized in that: the extension structure is connected with the shaping bottom surface of the flanging shaping insert (3) through an arc transition structure (8), a transition arc (9) is arranged at a corresponding corner of the lower die insert (2), and the radiuses of the arc transition structure (8) and the transition arc (9) which are matched with each other are determined according to the amount of the plate material to flow in.
5. The stamping, flanging and reshaping die for forming the car body panel according to claim 2, 3 or 4, which is characterized in that: the rigidity control assembly (4) further comprises an adjusting mechanism (10), and a technical pressing edge (7) of the bent blank plate is pressed on the side wall of the lower die insert (2) in a proper tightness mode through the pressing mechanism (6) under the cooperation of the adjusting mechanism (10).
6. The stamping, flanging and shaping die for forming the car body panel according to claim 5, is characterized in that: the adjusting mechanism (10) at least comprises a guide cushion block (12) with a boss (11), and the guide cushion block (12) is abutted to the outer side of the pressing mechanism (6) through the boss (11).
7. The stamping, flanging and shaping die for forming the car body panel according to claim 6, is characterized in that: the adjusting mechanism (10) further comprises an adjusting gasket (13), and the tightness of the guide cushion block (12) which is abutted to the pressing mechanism (6) through the boss (11) is adjusted through the adjusting gasket (13).
8. The stamping, flanging and shaping die for forming the car body panel according to claim 3, is characterized in that: the extension extends downwardly a length h corresponding to the amount of material to be controlled which flows into the cuff shaping zone.
9. The stamping, flanging and shaping die for forming the car body panel according to claim 8, is characterized in that: the thickness W of the extension structure is 5-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121366648.2U CN215355740U (en) | 2021-06-18 | 2021-06-18 | Stamping, flanging and shaping die for forming car body panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121366648.2U CN215355740U (en) | 2021-06-18 | 2021-06-18 | Stamping, flanging and shaping die for forming car body panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355740U true CN215355740U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121366648.2U Active CN215355740U (en) | 2021-06-18 | 2021-06-18 | Stamping, flanging and shaping die for forming car body panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215355740U (en) |
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2021
- 2021-06-18 CN CN202121366648.2U patent/CN215355740U/en active Active
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