Punching device for automobile plate spring

By adjusting the position of the fixing frame, the problem of poor adaptability of existing automotive leaf spring clamping devices is solved, and effective fixation of leaf springs of different sizes and arcs is achieved to meet the diverse punching needs.

CN223070257UActive Publication Date: 2025-07-08JIAN COLLEGE
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Patent Information

Application Number
CN202422259547.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-08
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing automotive leaf spring clamping fixing device is a fixed structure and cannot adapt to leaf springs of different sizes and arcs, and has poor adaptability.

Method used

By adjusting the position of the second fixing frame and the first fixing frame, combined with the drive of the rodless cylinder, the first motor and the second motor, adjustable clamping fixation of the leaf springs of different sizes and arcs is achieved.

Benefits of technology

It realizes effective fixation of leaf springs of different sizes and arcs, which is more adaptable and meets diverse punching needs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223070257U_ABST
    Figure CN223070257U_ABST
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Abstract

The utility model relates to the technical field of automobile plate spring machining, in particular to a punching device for an automobile plate spring. According to the punching device for the automobile plate springs, the positions of the second fixing frame and the first fixing frame can be adjusted, and the requirement for fixed punching of the automobile plate springs of different sizes and radians can be met. A punching device for an automobile plate spring comprises a workbench, a supporting frame, a punch and the like, the supporting frame is connected to the upper side of the rear portion of the workbench, and the punch is connected to the front portion of the supporting frame. The position of the first fixing frame is adjusted by starting the rodless air cylinder and the first motor, and then the position of the second fixing frame is adjusted by starting the second motor, so that the purpose of adjusting the positions of the second fixing frame and the first fixing frame is achieved; and the effect of meeting the requirement for fixed punching of automobile plate springs of different sizes and radians is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile leaf spring processing, in particular to a punching device for automobile leaf springs. Background Technique

[0002] In the automobile manufacturing industry, the steel plate spring is an important elastic component in the automobile suspension system. During the production and processing of the steel plate spring, punching is a crucial link. The punching operation is mainly used to form mounting holes or positioning holes on the steel plate spring leaves, so as to combine multiple springs together through bolts or other fasteners.

[0003] For the existing automobile leaf spring punching device, it is usually necessary to clamp and fix the automobile leaf spring to be punched under the punch head, and then punch the leaf spring by starting the punch head. However, the existing clamping and fixing device for automobile leaf springs is usually of a fixed structure, which is not convenient to adapt to the clamping and fixing requirements of leaf springs with different sizes and curvatures, and has poor adaptability.

[0004] Therefore, a punching device for automobile leaf springs is now developed, which can adjust the positions of the second fixing frame and the first fixing frame to adapt to the fixing and punching requirements of automobile leaf springs with different sizes and curvatures. Content of the Utility Model

[0005] In order to overcome the defect that the existing clamping and fixing device for punching automobile leaf springs is usually of a fixed structure, which is not convenient to adapt to the clamping and fixing requirements of leaf springs with different sizes and curvatures and has poor adaptability, the utility model provides a punching device for automobile leaf springs, which can adjust the positions of the second fixing frame and the first fixing frame to adapt to the fixing and punching requirements of automobile leaf springs with different sizes and curvatures.

[0006] Technical solution: A punching device for automobile leaf springs includes a workbench, a support frame, a punch head, a placement table, a first bidirectional lead screw and clamping blocks. The upper side of the rear part of the workbench is connected with the support frame, the front part of the support frame is connected with the punch head, the upper side of the front part of the workbench is connected with the placement table, the first bidirectional lead screw is rotatably connected inside the placement table, both the front and rear parts of the first bidirectional lead screw are threadedly connected with clamping blocks, and the clamping blocks are all slidably connected with the placement table.

[0007] As a preferred technical solution of the utility model, a handle is arranged on the front side of the first bidirectional lead screw.

[0008] As a preferred technical solution of the utility model, a concave groove is formed on the placement table.

[0009] As a preferred technical solution of the utility model, soft pads are arranged on the clamping blocks.

[0010] As a preferred technical solution of the present utility model, it further includes a rodless cylinder, a sliding frame, a slide rail, a first motor, a second bidirectional lead screw, and a first fixing frame. A rodless cylinder is connected to the upper side of the rear part of the workbench. The rodless cylinder is located in front of the support frame. A sliding frame is connected to the slider of the rodless cylinder. A slide rail is connected to the front side of the sliding frame. A first motor is connected to the right side of the sliding frame. A second bidirectional lead screw is rotatably connected inside the sliding frame. The second bidirectional lead screw is connected to the output shaft of the first motor. The left and right parts of the second bidirectional lead screw are both threadedly connected with a first fixing frame. The first fixing frames are both slidably connected to the slide rail.

[0011] As a preferred technical solution of the present utility model, it further includes a second motor, a third bidirectional lead screw, a slider, an electric push rod, and a second fixing frame. A second motor is connected to the right side of the workbench. A third bidirectional lead screw is connected to the output shaft of the second motor. The third bidirectional lead screw is rotatably connected to the workbench. The left and right parts of the third bidirectional lead screw are both threadedly connected with a slider. Electric push rods are connected to the upper sides of the sliders. Second fixing frames are connected to the telescopic ends of the electric push rods.

[0012] Beneficial effects: By starting the rodless cylinder and the first motor to adjust the position of the first fixing frame, and then starting the second motor to adjust the position of the second fixing frame, the present utility model achieves the effect of being able to adjust the positions of the second fixing frame and the first fixing frame to adapt to the fixing and punching requirements of automotive leaf springs with different sizes and arcs. Description of the Drawings

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0014] Figure 2 It is a first sectional three-dimensional structural schematic diagram of the present utility model.

[0015] Figure 3 It is a second sectional three-dimensional structural schematic diagram of the present utility model.

[0016] The marks in the figure are: 1 - workbench, 2 - support frame, 3 - punch, 4 - placement table, 5 - first bidirectional lead screw, 6 - clamping block, 7 - rodless cylinder, 8 - sliding frame, 9 - slide rail, 10 - first motor, 11 - second bidirectional lead screw, 12 - first fixing frame, 13 - second motor, 14 - third bidirectional lead screw, 15 - slider, 16 - electric push rod, 17 - second fixing frame. Detailed Implementation Modes

[0017] The following further describes the present utility model in detail in conjunction with the drawings and specific implementation modes, but does not limit the protection scope and application scope of the present utility model.

[0018] A punching device for automotive leaf springs, as Figures 1 - 3As shown in the figure, it includes a workbench 1, a support frame 2, a punch 3, a placement table 4, a first bidirectional lead screw 5, clamping blocks 6, a rodless cylinder 7, a sliding frame 8, a slide rail 9, a first motor 10, a second bidirectional lead screw 11, a first fixing frame 12, a second motor 13, a third bidirectional lead screw 14, sliders 15, electric push rods 16 and a second fixing frame 17. A support frame 2 is connected to the upper side of the rear part of the workbench 1. A punch 3 is connected to the front part of the support frame 2. A placement table 4 is connected to the upper side of the front part of the workbench 1. A concave groove is provided on the placement table 4 to facilitate positioning and clamping of the leaf spring. The first bidirectional lead screw 5 is rotatably connected inside the placement table 4. A handle is provided on the front side of the first bidirectional lead screw 5 for easy rotation. Clamping blocks 6 are threadedly connected to the front two parts of the first bidirectional lead screw 5. Soft pads are provided on the clamping blocks 6 to avoid abrasion of the automotive leaf spring. The clamping blocks 6 are all slidably connected to the placement table 4. A rodless cylinder 7 is connected to the upper side of the rear part of the workbench 1. The rodless cylinder 7 is located on the front side of the support frame 2. A sliding frame 8 is connected to the slider 15 of the rodless cylinder 7. A slide rail 9 is connected to the front side of the sliding frame 8. A first motor 10 is connected to the right side of the sliding frame 8. The second bidirectional lead screw 11 is rotatably connected inside the sliding frame 8. The second bidirectional lead screw 11 is connected to the output shaft of the first motor 10. First fixing frames 12 are threadedly connected to the left and right parts of the second bidirectional lead screw 11. The first fixing frames 12 are all slidably connected to the slide rail 9. A second motor 13 is connected to the right side of the workbench 1. The output shaft of the second motor 13 is connected to a third bidirectional lead screw 14. The third bidirectional lead screw 14 is rotatably connected to the workbench 1. Sliders 15 are threadedly connected to the left and right parts of the third bidirectional lead screw 14. Electric push rods 16 are connected to the upper sides of the sliders 15. Second fixing frames 17 are connected to the telescopic ends of the electric push rods 16.

[0019] When using the present utility model, first place the workbench 1 in the punching area of the automotive leaf spring, then place the automotive leaf spring to be punched on the placement table 4, and then rotate the first bidirectional lead screw 5 through the handle. Under the action of the thread, the clamping blocks 6 are made to approach each other to clamp the bottom of the leaf spring, and both ends of the leaf spring are located between the first fixing frame 12 and the second fixing frame 17 on the left and right sides, so that the first fixing frame 12 and the second fixing frame 17 clamp and fix both ends of the leaf spring. After that, start the punch 3 on the support frame 2 to punch the leaf spring. When clamping and fixing the leaf spring, the rodless cylinder 7 can be started to make the sliding frame 8 slide, and then the first motor 10 is started to make the second bidirectional lead screw 11 rotate. Under the action of the thread, the first fixing frame 12 slides on the slide rail 9, so as to adjust the position of the first fixing frame 12. After that, start the second motor 13 to make the third bidirectional lead screw 14 rotate. Under the action of the thread, the slider 15 slides. After sliding to a position suitable for the leaf spring, start the electric push rod 16 to adjust the position of the second fixing frame 17, thus playing the role of being able to adjust the positions of the second fixing frame 17 and the first fixing frame 12 to meet the requirements of fixing and punching automotive leaf springs of different sizes and arcs.

[0020] The above embodiments are provided for those skilled in the art to implement or use the present utility model. Those skilled in the art can make various modifications or changes to the above embodiments without departing from the inventive concept of the present utility model. Therefore, the protection scope of the present utility model is not limited by the above embodiments, but should be the maximum scope that conforms to the innovative features mentioned in the claims.

Claims

1. A punching device for automotive leaf springs, characterized in that, It includes a workbench (1), a support frame (2), a punch (3), a placement table (4), a first bidirectional lead screw (5) and clamping blocks (6). The upper side of the rear part of the workbench (1) is connected to the support frame (2), the front part of the support frame (2) is connected to the punch (3), the upper side of the front part of the workbench (1) is connected to the placement table (4). The first bidirectional lead screw (5) is rotatably connected inside the placement table (4). Both the front and rear parts of the first bidirectional lead screw (5) are threadedly connected to the clamping blocks (6), and the clamping blocks (6) are both slidably connected to the placement table (4). It further includes a rodless cylinder (7), a sliding frame (8), a slide rail (9), a first motor (10), a second bidirectional lead screw (11) and a first fixing frame (12). The upper side of the rear part of the workbench (1) is connected to the rodless cylinder (7). The rodless cylinder (7) is located on the front side of the support frame (2). The slider (15) of the rodless cylinder (7) is connected to the sliding frame (8). The front side of the sliding frame (8) is connected to the slide rail (9). The right side of the sliding frame (8) is connected to the first motor (10). The second bidirectional lead screw (11) is rotatably connected inside the sliding frame (8). The second bidirectional lead screw (11) is connected to the output shaft of the first motor (10). Both the left and right parts of the second bidirectional lead screw (11) are threadedly connected to the first fixing frames (12), and the first fixing frames (12) are both slidably connected to the slide rail (9). It further includes a second motor (13), a third bidirectional lead screw (14), sliders (15), electric push rods (16) and second fixing frames (17). The right side of the workbench (1) is connected to the second motor (13). The output shaft of the second motor (13) is connected to the third bidirectional lead screw (14). The third bidirectional lead screw (14) is rotatably connected to the workbench (1). Both the left and right parts of the third bidirectional lead screw (14) are threadedly connected to the sliders (15). The upper sides of the sliders (15) are both connected to the electric push rods (16). The telescopic ends of the electric push rods (16) are both connected to the second fixing frames (17).

2. The punching device for automotive leaf springs according to claim 1, characterized in that, A handle is provided on the front side of the first bidirectional lead screw (5).

3. The punching device for automobile leaf springs according to claim 1, characterized in that, A concave groove is formed on the placement table (4).

4. The punching device for automobile leaf springs according to claim 1, characterized in that, Soft pads are provided on the clamping blocks (6).