Side trimming stamping die for inner plate of right spring arm of auxiliary frame

By designing a side-finishing stamping mold for the inner plate of the right spring arm of the subframe, the problem of inefficient processing in the prior art is solved, and efficient integral and mark stamping is achieved to meet different needs.

CN119608992APending Publication Date: 2025-03-14NINGBO YUNDA AUTO PARTS CO LTD
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Patent Information

Application Number
CN202411962192.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-03-14

AI Technical Summary

Technical Problem

The lack of special molds in the prior art leads to inefficient machining of the inner plate of the right spring arm of the subframe.

Method used

A side-finishing stamping mold for the inner plate of the right spring arm of the subframe is designed, including an upper mold seat, a lower mold seat, a pressing plate, an upper shaping block, an imprint module, a side-finishing device, etc. Through the synergy of these components, one-step processing and efficient shaping and marking stamping are achieved.

Benefits of technology

The efficient machining of the inner plate of the right spring arm of the subframe is achieved, which improves the processing efficiency and can adapt to different needs and is achieved through replaceable marking blocks.

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Abstract

The invention relates to a side trimming stamping die for an inner plate of a right spring arm of an auxiliary frame, which comprises an upper die holder and a lower die holder, a pressure plate capable of lifting up and down is mounted at the lower end of the upper die holder, a plurality of pressure springs are mounted between the pressure plate and the upper die holder, and an upper shaping block is mounted in the middle of the lower end of the pressure plate. Four upper wedge blocks are evenly arranged at the lower end of the upper die base and located on the periphery of the material pressing plate, a profiling block is installed at the upper end of the lower die base and located below the upper shaping block, and side trimming devices in one-to-one correspondence with the upper wedge blocks are arranged at the upper end of the lower die base and located on the periphery of the profiling block, and each side trimming device comprises a side trimming block, a sliding block and an inclined sliding base; the upper end of the inclined sliding seat is provided with a sliding block sliding obliquely and a reset spring assisting the sliding block, the end, close to the profiling block, of the sliding block is provided with a side trimming block, and the upper portion of the other end of the sliding block is provided with an inclined face matched with the upper wedge block. The right spring arm inner plate can be machined in one step, and the machining efficiency can be greatly improved.
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Description

Technical Field

[0001] The invention relates to the technical field of right spring arm inner plates of an automobile subframe, in particular to a side repair stamping die for the right spring arm inner plate of a subframe. Background Art

[0002] Currently in the automotive field, suspension systems can be divided into two categories: non-independent suspension / semi-independent suspension structure and independent suspension structure. Independent suspension systems are widely used due to their excellent comfort and smoothness. They are mostly composed of subframes and various connecting rods. The various performances of the subframes will be decomposed into the subframes by major OEMs in the early stages of the project according to the various requirements of the vehicle. Static stiffness is also an important goal.

[0003] The inner plate of the right spring arm of the subframe is an important component of the subframe. Fig. 9 As shown, the workpiece 20 is composed of two right spring arm inner plates 28 that are symmetrical on the left and right. Each right spring arm inner plate 28 needs to be processed with two side flanges 29, and a total of four side flanges 29 need to be processed. The required mark 30 needs to be printed on each right spring arm inner plate 28. Currently, there is no specially processed mold, resulting in low processing efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a side repair stamping die for the inner plate of the right spring arm of the subframe, which can not only complete the processing of the inner plate of the right spring arm in one step, but also greatly improve the processing efficiency.

[0005] The camming module, with the help of the spring, is used to move the camming tool to the left and right sides of the upper and lower molds, and the camming module is embedded in the bottom of the camming module.

[0006] As a supplement to the technical solution described in the present invention, an equal-height sleeve is installed between the upper die seat and the pressing plate.

[0007] As a supplement to the technical solution described in the present invention, an inner groove is opened in the middle of the upper end of the inclined slide seat, and at least two gas springs arranged side by side are fixed inside the inner groove. The movable end of the gas spring is provided with a connecting block connected to the bottom of the slider.

[0008] As a supplement to the technical solution described in the present invention, tracks are arranged on both sides of the slider at the upper end of the inclined slide seat, and a wear-resistant convex strip is installed on the inner side of each track at the upper end of the inclined slide seat, and the slider is supported by two wear-resistant convex strips.

[0009] As a supplement to the technical solution described in the present invention, a leaning block is installed on the outer side of each inclined slide seat at the upper end of the lower die seat, and a wear-resistant block is embedded on the inner side of the upper part of the leaning block. A supporting seat is installed on the inner side of each inclined slide seat at the upper end of the lower die seat, and the supporting seat is used to support and stabilize the side repair block.

[0010] As a supplement to the technical solution described in the present invention, the imprint module includes a module sleeve, a cover plate and a imprint block. The module sleeve is provided with at least one slot for inserting the imprint block, one end of the slot is provided with a limiting slot, one end of the imprint block is provided with a step that is interlocked with the limiting slot, and one end of the module sleeve is installed with a cover plate, which is used to seal one end of the slot and the limiting slot.

[0011] Beneficial effects: The present invention relates to a side repair stamping die for the inner plate of the right spring arm of the subframe, wherein the upper shaping block cooperates with the profiling block to complete the front shaping of the product, and at the same time, the imprint module at the bottom of the upper shaping block punches out the required mark on the corresponding position of the product. As the die is closed, the four upper wedge blocks are respectively inserted into the corresponding side repair devices, and the lower inclined surface of the upper wedge block squeezes the inclined surface of the outer side of the slider, forcing the four sliders to move relatively close with their respective side repair blocks. The four side repair blocks cooperate with the profiling block to complete the shaping of the four sides, forming the required side flanging structure; an imprint module structure with replaceable imprint blocks is also designed to meet different needs. The present invention can not only complete the processing of the inner plate of the right spring arm in one step, but also greatly improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention;

[0013] Figure 2 It is a structural schematic diagram of the upper die base of the present invention;

[0014] Figure 3 It is a structural schematic diagram of the lower die base of the present invention;

[0015] Figure 4 is a schematic structural diagram of the side repair device of the present invention;

[0016] Figure 5 It is a schematic diagram of the structure of the side repair device of the present invention without the slider;

[0017] Figure 6 It is a structural schematic diagram of the imprint module of the present invention;

[0018] Figure 7 It is a structural schematic diagram of the module set of the present invention;

[0019] Figure 8 It is a schematic diagram of the structure of the cover plate and the imprint block of the present invention;

[0020] Fig. 9 It is a schematic structural diagram of a workpiece after processing according to the present invention.

[0021] Illustration: 1. Upper die seat, 2. Upper shaping block, 3. Pressing plate, 4. Upper template, 5. Imitation block, 6. Lower die seat, 7. Side repair block, 8. Slider, 9. Inclined slide seat, 10. Upper template, 11. Inclined surface, 12. Inner groove, 13. Track, 14. Leaning block, 15. Support seat, 16. Gas spring, 17. Connecting block, 18. Wear-resistant ridge, 19. Wear-resistant block, 20. Workpiece, 21. Imprint module, 22. Module sleeve, 23. Cover plate, 24. Imprint block, 25. Slot, 26. Limiting groove, 27. Step, 28. Inner plate of right spring arm, 29. Side flange, 30. Mark. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the appended claims of the application equally.

[0023] The embodiment of the present invention relates to a side repair stamping die for the inner plate of the right spring arm of a subframe, such as Figure 1-9As shown, it includes an upper die base 1 and a lower die base 6, the lower end of the upper die base 1 is equipped with a pressure plate 3 that can be lifted up and down, a number of pressure springs are installed between the pressure plate 3 and the upper die base 1, an upper shaping block 2 is installed in the middle of the lower end of the pressure plate 3, and a stamping module 21 is embedded in the bottom of the upper shaping block 2, the lower end of the upper die base 1 is located at the pressure plate 3 and four upper wedge blocks 4 are evenly arranged around the lower end, the upper end of the lower die base 6 is located below the upper shaping block 2 and is equipped with a profiling block 5, the upper end of the lower die base 6 is located around the profiling block 5 and is provided with a side repair device corresponding to the upper wedge block 4, the side repair device includes a side repair block 7, a slider 8 and an inclined slide seat 9, the upper end of the inclined slide seat 9 is equipped with an inclined sliding slider 8 and a reset spring of the auxiliary slider 8, the slider 8 is close to the profiling block 5. The side repair block 7 is provided at one end of the slider 8, and the upper part of the other end of the slider 8 is provided with an inclined surface 11 that cooperates with the upper wedge block 4.

[0024] An upper mold plate 10 is installed at the upper end of the upper mold base 1 , and a plurality of cushion blocks are arranged between the upper mold plate 10 and the upper mold base 1 .

[0025] An equal height sleeve is installed between the upper die seat 1 and the pressing plate 3; the equal height sleeve is used to prevent the pressing plate 3 from falling, which is equivalent to playing a role of spacing; the upper die seat 1 and the pressing plate 3 are elastically connected through a pressing spring.

[0026] An inner groove 12 is provided in the middle of the upper end of the inclined slide seat 9 , and at least two gas springs 16 arranged side by side are fixed inside the inner groove 12 . The movable end of the gas spring 16 is provided with a connecting block 17 connected to the bottom of the slide block 8 .

[0027] The upper end of the inclined slide seat 9 is located on both sides of the slider 8 and tracks 13 are provided. The slider 8 slides back and forth along the tracks 13 on both sides. The upper end of the inclined slide seat 9 is located on the inner side of each track 13 and a wear-resistant ridge 18 is installed. The slider 8 is supported by two wear-resistant ridges 18 to prevent the slider 8 from directly contacting the upper end surface of the inclined slide seat 9, thereby improving the service life of the slider 8 and the inclined slide seat 9.

[0028] The upper end of the lower die seat 6 is located on the outer side of each inclined slide seat 9 and is equipped with a leaning block 14. The inner side of the upper part of the leaning block 14 is embedded with a wear-resistant block 19. The wear-resistant block 19 is fixed to the leaning block 14 with screws. When the wear-resistant block 19 is excessively worn, the wear-resistant block 19 can be replaced; the upper end of the lower die seat 6 is located on the inner side of each inclined slide seat 9 and is equipped with a supporting seat 15. The supporting seat 15 is used to support and stabilize the side repair block 7 to ensure the stable back and forth movement of the side repair block 7.

[0029] In the mold open state, first put the workpiece 20 to be processed on the profiling block 5, the upper mold base 1 moves downward, the upper shaping block 2 presses the product, and the lower end surface of the upper shaping block 2 cooperates with the upper end surface of the profiling block 5 to complete the front shaping of the product. As the mold continues to close, the four upper wedge blocks 4 are respectively inserted into the corresponding side repair devices, and the lower inclined surface of the upper wedge block 4 squeezes the inclined surface 11 on the outer side of the slider 8, forcing the four sliders 8 to move relatively close with their respective side repair blocks 7. The four side repair blocks 7 cooperate with the profiling block 5 to complete the shaping of the four sides to form the required side flange 29 structure. At the same time, the imprint module 21 punches out the required mark 30 on the right spring arm inner plate 28.

[0030] The imprint module 21 includes a module sleeve 22, a cover plate 23 and an imprint block 24. The module sleeve 22 is provided with at least one slot 25 for inserting the imprint block 24. A limiting slot 26 is provided at one end of the slot 25. A step 27 interlocking with the limiting slot 26 is provided at one end of the imprint block 24. A cover plate 23 is installed at one end of the module sleeve 22. The cover plate 23 is used to seal one end of the slot 25 and the limiting slot 26. The module sleeve 22, the cover plate 23 and the upper shaping block 2 are connected and fixed by fasteners. The imprint module 21 structure with replaceable imprint blocks 24 is designed to meet different needs. When replacement is required, the fasteners are loosened to separate the module sleeve 22 from the cover plate 23, and the required imprint block 24 is inserted. Then, the fasteners are tightened again to fix the module sleeve 22, the cover plate 23 and the upper shaping block 2 together.

[0031] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0034] The above is a detailed introduction to a side repair stamping die for the inner plate of the right spring arm of the subframe provided by the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technicians in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A side repair stamping die for the inner plate of the right spring arm of a subframe, comprising an upper die base (1) and a lower die base (6), characterized in that: The lower end of the upper die base (1) is provided with a press plate (3) which can be raised and lowered, and a plurality of press springs are provided between the press plate (3) and the upper die base (1). An upper shaping block (2) is provided in the middle of the lower end of the press plate (3), and a stamping module (21) is embedded in the bottom of the upper shaping block (2). The lower end of the upper die base (1) is located around the press plate (3) and is evenly arranged with four upper wedge blocks (4). The upper end of the lower die base (6) is located below the upper shaping block (2) and is provided with a profiling block (5). The upper end of the lower die seat (6) is located around the profiling block (5) and is provided with a side repair device corresponding to the upper wedge block (4). The side repair device includes a side repair block (7), a slider (8) and an inclined slide seat (9). The upper end of the inclined slide seat (9) is installed with an inclined sliding slider (8) and a return spring of the auxiliary slider (8). The side repair block (7) is provided at one end of the slider (8) close to the profiling block (5). The upper part of the other end of the slider (8) is provided with an inclined surface (11) that cooperates with the upper wedge block (4).

2. The side repair stamping die for the inner plate of the right spring arm of the subframe according to claim 1, characterized in that: A sleeve of equal height is installed between the upper die seat (1) and the pressing plate (3).

3. The side repair stamping die for the inner plate of the right spring arm of the subframe according to claim 1, characterized in that: An inner groove (12) is provided in the middle of the upper end of the inclined slide seat (9), and at least two gas springs (16) arranged side by side are fixed inside the inner groove (12). The movable end of the gas spring (16) is provided with a connecting block (17) connected to the bottom of the slider (8).

4. The side repair stamping die for the inner plate of the right spring arm of the subframe according to claim 1, characterized in that: The upper end of the inclined slide seat (9) is located on both sides of the slider (8) and is provided with tracks (13). The upper end of the inclined slide seat (9) is located on the inner side of each track (13) and is provided with a wear-resistant convex strip (18). The slider (8) is supported by the two wear-resistant convex strips (18).

5. The side repair stamping die for the inner plate of the right spring arm of the subframe according to claim 1, characterized in that: The upper end of the lower die seat (6) is located on the outer side of each inclined slide seat (9) and is equipped with a support block (14). The inner side of the upper part of the support block (14) is embedded with a wear-resistant block (19). The upper end of the lower die seat (6) is located on the inner side of each inclined slide seat (9) and is equipped with a supporting seat (15). The supporting seat (15) is used to support and stabilize the side repair block (7).

6. The side repair stamping die for the inner plate of the right spring arm of the subframe according to claim 1, characterized in that: The imprint module (21) comprises a module sleeve (22), a cover plate (23) and an imprint block (24); the module sleeve (22) is provided with at least one slot (25) for inserting the imprint block (24); one end of the slot (25) is provided with a limiting slot (26); one end of the imprint block (24) is provided with a step (27) interlocking with the limiting slot (26); one end of the module sleeve (22) is provided with a cover plate (23); the cover plate (23) is used to seal one end of the slot (25) and the limiting slot (26).