CN216175619U - Reverse upper forming punch structure for automobile chassis support - Google Patents
Reverse upper forming punch structure for automobile chassis support Download PDFInfo
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- CN216175619U CN216175619U CN202122551481.3U CN202122551481U CN216175619U CN 216175619 U CN216175619 U CN 216175619U CN 202122551481 U CN202122551481 U CN 202122551481U CN 216175619 U CN216175619 U CN 216175619U
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Abstract
The utility model relates to a reverse upper forming punch structure for an automobile chassis support, which comprises: the upper punch is arranged on the upper clamp plate, the lower punch penetrates through the stripper plate, the lower die plate is fixedly connected with the lower die base, a force transmission lever is arranged on the lower die base, a lower punch and a dowel bar are respectively arranged at two ends of the force transmission lever, the lower die plate penetrates through the upper ends of the lower punch and the dowel bar, and the dowel bar is located under the upper punch. The utility model changes the direction of the upper punching and the lower punching by the design of the force transmission rod and the force transmission lever, has simple structure, realizes the function of reverse upper forming, has small space requirement and low cost, and can realize the production of small-sized progressive dies.
Description
Technical Field
The utility model relates to a punch structure, in particular to a reverse upper forming punch structure for an automobile chassis support.
Background
In the process of producing the automobile chassis support, the front face and the back face of the automobile chassis support are required to be punched, an independent die is used for punching, an original upward bending punch head structure is required to be used if a progressive die is used for punching, the slider structure is complex, the space requirement is high, the cost is high, and the production of a small progressive die cannot be realized.
Thus, there is a need for improvements to existing structures.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reverse upper forming punch structure for an automobile chassis support, which is used for solving the problems.
The utility model adopts a technical scheme that: provide chassis of automobile support with backward shaping drift structure of going up, include: the upper punch is arranged on the upper clamp plate, the lower punch penetrates through the stripper plate, the lower die plate is fixedly connected with the lower die base, a force transmission lever is arranged on the lower die base, a lower punch and a dowel bar are respectively arranged at two ends of the force transmission lever, the lower die plate penetrates through the upper ends of the lower punch and the dowel bar, and the dowel bar is located under the upper punch.
Furthermore, the upper clamping plate is movably connected with the stripper plate through a guide post, and the guide post limits the maximum distance between the upper clamping plate and the stripper plate when the mould is opened.
Furthermore, when the two ends of the force transmission lever are in horizontal positions, the height of the lower punch is lower than that of the force transmission lever, and the height difference between the lower punch and the force transmission lever is the maximum distance between the upper clamping plate and the stripper plate when the die is opened and is also the stamping distance of a product.
Furthermore, both ends of the force transmission lever are designed to be circular arcs, and circular arc surfaces at both ends of the force transmission lever interact with the lower punch and the force transmission rod respectively during punching, so that abrasion is reduced.
Furthermore, a stop plate is further arranged between the upper clamping plate and the stripper plate, the stop plate is fixedly connected with the stripper plate, and the upper punch penetrates through the stop plate.
Furthermore, a lower base plate is fixedly arranged between the lower die plate and the lower die base, and the lower punch and the dowel bar penetrate through the lower base plate.
The reverse upper forming punch structure for the automobile chassis support has the beneficial effects that:
1. by means of the design of the force transmission rod and the force transmission lever, the upper part and the lower part are punched and converted, the structure is simple, the reverse upper forming function is realized, the space requirement is low, the cost is low, and the production of a small continuous die can be realized.
Drawings
FIG. 1 is a state in which a reverse upper molding punch structure for a chassis frame of a vehicle according to a first embodiment of the present invention is opened;
FIG. 2 is a mold closed state of a reverse upper molding punch structure for the chassis frame of the first embodiment of the present invention;
the parts in the drawings are numbered as follows: 1. the die comprises an upper clamping plate, 2, a stop plate, 3, a stripper plate, 4, a lower die plate, 5, a lower backing plate, 6, a lower die holder, 11, an upper punch, 61, a force transmission lever, 62, a lower punch, 63, a force transmission rod, 611 and an arc surface.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention, and do not indicate or imply that the referenced components or elements must have particular orientations, be constructed and operated in particular orientations, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 and 2, a first embodiment of the present invention provides a reverse upper forming punch structure for an automotive chassis frame adapted to provide reverse upward bending punching in a small progressive die.
The utility model relates to a reverse upper forming punch structure for an automobile chassis support, which comprises an upper clamp plate 1, a stop plate 2, a stripper plate 3, a lower clamp plate 4, a lower cushion plate 5 and a lower die holder 6 which are sequentially arranged from top to bottom, wherein an upper punch 11 is arranged on the upper clamp plate 1, the stop plate 2 is fixedly connected with the stripper plate 3, the lower end of the upper punch 11 penetrates through the stop plate 2 and the stripper plate 3, the lower clamp plate 4, the lower cushion plate 5 and the lower die holder 6 are fixedly connected, a force transmission lever 61 is arranged on the lower die holder 6, a lower punch 62 and a force transmission rod 63 are respectively arranged at two ends of the force transmission lever 61, the upper ends of the lower punch 62 and the force transmission rod 63 penetrate through the lower cushion plate 5 and the lower die plate 4, the force transmission rod 63 is positioned right below the upper punch 11, and the force of the upper punch 11 is transmitted to the lower punch 62 by the force transmission lever 61 and the force transmission rod 63, so as to complete reverse upper punching.
Specifically, the upper clamping plate 1 and the stripper plate 3 are connected through a guide post (not shown) to control the maximum distance between the stripper plate 3 and the upper clamping plate 1 during mold opening, when the two ends of the force transmission lever 61 are in horizontal positions, the lower punch 62 is lower than the force transmission rod 63, and the height difference between the two is the maximum distance between the upper clamping plate 1 and the stripper plate 3 during mold opening, which is also the stamping distance of the product.
The two ends of the force transmission lever 61 are both designed into circular arcs, and the circular arc surfaces 611 at the two ends of the force transmission lever 61 interact with the lower punch 62 and the force transmission rod 63 respectively during punching, so that abrasion is reduced.
Specifically, the force transmission lever 61 is connected to the lower die holder 6 through a lever shaft (not labeled), and the lower die holder 6 and the lower backing plate 5 are provided with cavities (not shown) adapted to the rotation of the force transmission lever.
The working principle of the reverse upper forming punch structure for the automobile chassis support is as follows:
1. the product is placed at the punching position on the surface of the lower template, the bending punching area of the product is positioned right above the lower punch, the upper clamping plate moves downwards, the stripper plate presses the product, the area of the product to be bent presses the lower punch, at the moment, two ends of the force transmission lever are positioned at the horizontal position, and the upper punch contacts the force transmission rod;
2. the upper clamping plate continues to move downwards, the upper punch pushes the force transmission rod downwards, and under the action of the force transmission lever, the upper punch of the lower punch bends and forms the product;
3. and the upper clamping plate retreats, the upper punch looses the dowel bar, the lower punch loosens the bending stamping area of the product under the action of the lever, the stripper plate retreats to loosen the product, and the stamping is finished.
The reverse upper forming punch structure for the automobile chassis support has the beneficial effects that:
1. by means of the design of the force transmission rod and the force transmission lever, the upper part and the lower part are punched and converted, the structure is simple, the reverse upper forming function is realized, the space requirement is low, the cost is low, and the production of a small continuous die can be realized.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a chassis of automobile support is with shaping drift structure in reverse, its characterized in that includes: the upper punch is arranged on the upper clamp plate, the lower punch penetrates through the stripper plate, the lower die plate is fixedly connected with the lower die base, a force transmission lever is arranged on the lower die base, a lower punch and a dowel bar are respectively arranged at two ends of the force transmission lever, the lower die plate penetrates through the upper ends of the lower punch and the dowel bar, and the dowel bar is located under the upper punch.
2. The reverse upper molding punch structure for the chassis bracket of the automobile according to claim 1, wherein the upper clamping plate is movably connected with the stripper plate through a guide post, and the guide post limits the maximum distance between the upper clamping plate and the stripper plate when the mold is opened.
3. The reverse upper molding punch structure for the chassis bracket of the automobile according to claim 2, wherein when the two ends of the force transmission lever are in the horizontal position, the height of the lower punch is lower than that of the force transmission rod, and the height difference between the lower punch and the force transmission rod is the maximum distance between the upper clamping plate and the stripper plate when the mold is opened.
4. The reverse upper molding punch structure for the automotive chassis bracket according to claim 1, wherein both ends of the force transmission lever are designed as circular arcs, and circular arc surfaces at both ends of the force transmission lever interact with the lower punch and the force transmission rod respectively during punching.
5. The reverse upper forming punch structure for the automobile chassis bracket according to claim 1, wherein a stop plate is further arranged between the upper clamping plate and the stripper plate, the stop plate is fixedly connected with the stripper plate, and the upper punch penetrates through the stop plate.
6. The reverse upper molding punch structure for the automobile chassis bracket according to claim 1, wherein a lower cushion plate is further fixedly arranged between the lower die plate and the lower die holder, and the lower punch and the dowel bar penetrate through the lower cushion plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551481.3U CN216175619U (en) | 2021-10-22 | 2021-10-22 | Reverse upper forming punch structure for automobile chassis support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551481.3U CN216175619U (en) | 2021-10-22 | 2021-10-22 | Reverse upper forming punch structure for automobile chassis support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216175619U true CN216175619U (en) | 2022-04-05 |
Family
ID=80887273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122551481.3U Active CN216175619U (en) | 2021-10-22 | 2021-10-22 | Reverse upper forming punch structure for automobile chassis support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216175619U (en) |
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2021
- 2021-10-22 CN CN202122551481.3U patent/CN216175619U/en active Active
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