Clamping device for balancing weight machining

By combining a motor-driven bidirectional threaded rod with a rubber pad, the sliding problem of the counterweight processing device when clamping different shapes is solved, achieving flexible fixing and protection, and improving processing quality and equipment stability.

CN224129568UActive Publication Date: 2026-04-17ANHUI SHENYUAN CONSTR MASCH EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI SHENYUAN CONSTR MASCH EQUIP CO LTD
Filing Date
2025-05-12
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing counterweight processing devices are prone to slipping when clamping counterweights of different shapes, leading to processing errors and workpiece damage, which affects work quality.

Method used

The motor-driven bidirectional threaded rod moves the connecting block and clamping plate. Combined with the design of rubber pads, telescopic baffles and telescopic sleeves, it can flexibly fix and protect counterweights of different shapes, preventing debris from intruding.

Benefits of technology

This improves the stability and processing efficiency of the counterweight, avoids workpiece damage, extends the service life of the device, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a clamping device for processing a balancing weight, which comprises a working table, two sides of the top of the working table are fixedly connected with mounting plates, the outer wall of the mounting plate on one side is fixedly connected with a motor, and the output end of the motor is fixedly connected with a bidirectional threaded rod. In the actual use process, the motor drives the two-way threaded rod to rotate and drives the first connecting block to move reversely, then the bottom plate and the vertical plate move along with the bottom plate and the vertical plate, the clamping plate gets close to the balancing weight, the adjusting screw is rotated, the second connecting block is driven to move, one end of the rotating plate moves, and due to the fact that the length of the rotating plate is fixed, the other end of the rotating plate pushes the clamping plate to rotate around the limiting rod; the clamping plates are mutually associated through the positioning columns and are attached to the balancing weights after being adjusted, the problems that an existing device is difficult to adapt to the balancing weights in different shapes and is unstable in fixation are solved, the positions and angles of the clamping plates are flexibly adjusted according to the shapes of the balancing weights, the balancing weights are rapidly and effectively fixed, the balancing weights are prevented from shaking or moving in the operation process, and the working safety and efficiency are improved.
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Description

Technical Field

[0001] This utility model relates to the field of counterweight processing technology, specifically a clamping device for counterweight processing. Background Technology

[0002] A clamping device for counterweight processing is a powerful tool in the counterweight machining process. It features a solid and stable base, providing a firm foundation for overall operation. The clamping mechanism is ingeniously designed, potentially using hydraulically driven grippers that firmly hold the counterweight with strong pressure, or screw-driven mechanical grippers that achieve stable clamping through precise rotation. The positioning component acts like a navigator, ensuring the counterweight returns to its precise position each time, guaranteeing machining accuracy. The adjustment device provides flexibility, allowing for flexible adjustments to the clamping position and angle based on the size and shape of the counterweight. Whether in automotive manufacturing, machinery production, or aerospace, it efficiently ensures the smooth progress of counterweight processing.

[0003] A search revealed that Chinese patent CN212101022U discloses a clamping device for counterweights. This patent describes a method where a hydraulic cylinder presses down a clamping device, and a third motor connects a rotating rod to a clamping plate via protrusions and grooves. The rotating rod's rotation causes the clamping device to engage with the counterweight body, allowing for clamping and movement without manual handling, saving time and effort. However, to address the potential for wobbling during movement, a fourth motor is installed. This motor, via a transmission belt, drives a first threaded rod to rotate, causing the clamping block to hold the counterweight body, preventing it from falling off and damaging the counterweight body, thus improving stability.

[0004] In this solution, although the counterweight can be quickly fixed, the surface of the clamping block is flat. When clamping and fixing counterweights of different shapes, such as round ones, slippage will occur during the processing, which will lead to processing errors, damage to the workpiece, and affect the quality of work. In order to solve this technical problem, this utility model proposes a clamping device for counterweight processing. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In this solution, although the counterweight can be quickly fixed, the surface of the clamping block is flat. When clamping and fixing counterweights of different shapes, such as round ones, slippage will occur during the processing, which will lead to processing errors, damage to the workpiece, and affect the quality of work. In order to solve this technical problem, this utility model proposes a clamping device for counterweight processing.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a clamping device for processing counterweight blocks, comprising a worktable, mounting plates fixedly connected to both sides of the top of the worktable, a motor fixedly connected to the outer wall of one side of the mounting plate, a bidirectional threaded rod fixedly connected to the output end of the motor, connecting blocks one threadedly connected to the outer walls of both ends of the bidirectional threaded rod, a base plate fixedly connected to the top of each connecting block one, a vertical plate fixedly connected to the top of each base plate, three clamping plates provided on the outside of each vertical plate, and a rubber pad fixedly connected to the outer wall of each clamping plate.

[0009] Preferably, two of the clamping plates are rotatably connected to the two sides of another clamping plate via positioning pins, and the other clamping plate is fixedly connected to the outer wall of the vertical plate.

[0010] Preferably, both sides of the vertical plate are threaded with adjusting screws, and the outer wall of the adjusting screws is threaded with connecting block two. The inner wall of the clamping plate is fixedly connected with a limiting seat, and both the limiting seat and the connecting block two are rotatably connected with limiting rods.

[0011] Preferably, a rotating plate is fixedly connected between the two limiting rods, the rotating plate is rotatably connected between the limiting seat and the connecting block two, and the connecting block two is slidably connected inside the vertical plate.

[0012] Preferably, a pair of guide rails are fixedly connected to the top of the worktable, a pair of sliders are fixedly connected to the bottom of the base plate, and the sliders are slidably connected to the outer wall of the guide rails. A pair of support legs are fixedly connected to the bottom of the worktable.

[0013] Preferably, a telescopic baffle is fixedly connected between the two bottom plates, and a telescopic sleeve is fixedly connected between one side of the connecting block and the inner side wall of the mounting plate, and the telescopic sleeve is fitted onto the outer wall of the bidirectional threaded rod.

[0014] (III) Beneficial Effects

[0015] This utility model provides a clamping device for processing counterweights. It has the following advantages:

[0016] (1) The motor drives the bidirectional threaded rod to rotate, causing the connecting block one to move in the opposite direction, which in turn moves the base plate and the vertical plate, bringing the clamping plate closer to the counterweight. Rotating the adjusting screw causes the connecting block two to move, displacing one end of the rotating plate. Since the length of the rotating plate is fixed, its other end pushes the clamping plate to rotate around the limiting rod. The clamping plates are interconnected through the positioning pins and are adjusted to fit the counterweight. The rubber pads on the clamping plates increase friction and provide protection. This combination solves the problem that existing devices are difficult to adapt to counterweights of different shapes and are unstable in fixing. It enables flexible adjustment of the position and angle of the clamping plates according to the shape of the counterweight, and quick and effective fixing of the counterweight, preventing the counterweight from shaking or shifting during operation, improving work safety and efficiency. In addition, the rubber pads can prevent scratches on the surface of the counterweight, making it suitable for fixing counterweights in various scenarios.

[0017] (2) When the motor drives the bidirectional threaded rod to rotate, and the connecting block moves, the base plate moves accordingly. The telescopic baffle in the middle is stretched and unfolded by the base plates on both sides, and the telescopic sleeve will also extend and retract accordingly. Together, they solve the problem that the bidirectional threaded rod is easily disturbed by debris in the existing device. In the actual working environment, debris is easy to fall onto the bidirectional threaded rod, causing wear or even damage. The telescopic sleeve and the telescopic baffle work together to effectively block the attachment of debris, realize comprehensive protection of the bidirectional threaded rod, reduce the probability of failure caused by debris interference, extend the service life of the bidirectional threaded rod, ensure stable operation of the equipment, reduce maintenance costs, and improve the continuity and reliability of the overall work. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a top view of the overall structure of this utility model;

[0020] Figure 3 This is a side view of the present invention.

[0021] Figure 4 This is a schematic diagram of the external structure of the vertical plate of this utility model.

[0022] In the diagram: 1. Workbench; 2. Mounting plate; 3. Motor; 4. Two-way threaded rod; 5. Connecting block one; 6. Base plate; 7. Slider; 8. Vertical plate; 9. Guide rail; 10. Adjusting screw; 11. Connecting block two; 12. Rotating plate; 13. Limiting rod; 14. Clamping plate; 15. Positioning column; 16. Rubber pad; 17. Limiting seat; 18. Telescopic sleeve; 19. Telescopic baffle; 20. Support leg. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] Please see Figure 1-4 This utility model provides a technical solution:

[0025] Example 1: A clamping device for processing counterweight blocks includes a worktable 1. Mounting plates 2 are fixedly connected to both sides of the top of the worktable 1. A motor 3 is fixedly connected to the outer wall of one mounting plate 2. A bidirectional threaded rod 4 is fixedly connected to the output end of the motor 3. Connecting blocks 5 are threaded to the outer walls of both ends of the bidirectional threaded rod 4. A base plate 6 is fixedly connected to the top of each connecting block 5. A vertical plate 8 is fixedly connected to the top of each base plate 6. Three clamping plates 14 are provided on the outside of each vertical plate 8. A rubber pad 16 is fixedly connected to the outer wall of each clamping plate 14. Two clamping plates 14 are rotatably connected to the sides of another clamping plate 14 via positioning pins 15. The third clamping plate 14 is fixedly connected to the outside of the vertical plate 8. On the wall, both sides of the vertical plate 8 are threaded with adjusting screws 10. The outer wall of the adjusting screws 10 is threaded with connecting block 2 11. The inner wall of the clamping plate 14 is fixedly connected with a limiting seat 17. The limiting seat 17 and the connecting block 2 11 are both rotatably connected with limiting rods 13. A rotating plate 12 is fixedly connected between the two limiting rods 13. The rotating plate 12 is rotatably connected between the limiting seat 17 and the connecting block 2 11. At the same time, the connecting block 2 11 is slidably connected inside the vertical plate 8. A pair of guide rails 9 are fixedly connected to the top of the worktable 1. A pair of sliders 7 are fixedly connected to the bottom of the base plate 6. The sliders 7 are slidably connected to the outer wall of the guide rails 9. A pair of support legs 20 are fixedly connected to the bottom of the worktable 1.

[0026] Place the counterweight between the two vertical plates 8, then start the motor 3 on the outer wall of the mounting plate 2. The motor 3 drives the bidirectional threaded rod 4 to rotate. The special structure of the bidirectional threaded rod 4 causes the connecting blocks 5 on both sides to move in opposite directions, which in turn drives the base plate 6 connected to the connecting blocks 5 to move. The slider 7 at the bottom of the base plate 6 slides on the guide rail 9, which acts as a limit and ensures that the base plate 6 moves smoothly. As the base plate 6 moves, the vertical plate 8 on it also moves. The vertical plate 8 drives the three clamping plates 14 connected to it to move towards the counterweight. When the clamping plates 14 are close to the counterweight, the adjusting screws 10 on both sides are rotated according to the specific shape of the counterweight. When the adjusting screws 10 rotate, they drive the connecting block 11 to move. The connecting block 11 then drives one end of the rotating plate 12 on the limiting rod 13 to move. Since the length of the rotating plate 12 is fixed, its other end will push the clamping plate 14 to rotate inward or outward. The clamping plates 14 on both sides are positioned on both sides of the middle clamping plate 14 by positioning pins 15. By adjustment, the clamping plates 14 can be made to fit tightly against the counterweight, which can quickly and effectively fix counterweights of different shapes, greatly improving work efficiency.

[0027] Example 2: The difference between this example and Example 1 is that a telescopic baffle 19 is fixedly connected between the two bottom plates 6, and a telescopic sleeve 18 is fixedly connected between one side of the connecting block 5 and the inner side wall of the mounting plate 2, and the telescopic sleeve 18 is fitted on the outer wall of the bidirectional threaded rod 4.

[0028] During the movement of the two side base plates 6, the middle telescopic baffle 19 will be stretched, and the telescopic sleeve 18 will also extend and retract accordingly. The telescopic baffle 19 and the telescopic sleeve 18 work together to build a protective barrier for the bidirectional threaded rod 4. This protective mechanism can effectively prevent debris from falling onto the bidirectional threaded rod 4. Once debris adheres to the bidirectional threaded rod 4, it may aggravate thread wear or even cause jamming during its operation, thus causing damage and affecting the normal use of the bidirectional threaded rod 4. However, through the cooperation of the telescopic baffle 19 and the telescopic sleeve 18, the risk of damage to the bidirectional threaded rod 4 due to debris is greatly reduced, ultimately achieving the effect of extending the service life of the bidirectional threaded rod 4.

[0029] Working principle: When the worker needs to process the counterweight, the counterweight is first placed between the two vertical plates 8. Then, the motor 3 on the outer wall of the mounting plate 2 is started. Under the action of the motor 3, the bidirectional threaded rod 4 is rotated, which in turn drives the two connecting blocks 5 to move in the opposite direction and moves the vertical plate 8 on the base plate 6. When the base plate 6 moves, it is limited on the guide rail 9 by the slider 7. When the vertical plate 8 moves, it will drive the three clamping plates 14 to move towards the counterweight position. According to the shape of the counterweight, the adjusting screws 10 on both sides are rotated. When the adjusting screws 10 rotate, they will drive the connecting block 11 to move. When the connecting block 11 moves, it will drive the limiting rod 13. When one end of the rotating plate 12 moves, since the length of the rotating plate 12 remains constant, the other end of the rotating plate 12 will push the clamping plate 14 to rotate inward or outward. The two clamping plates 14 are positioned on both sides of the middle clamping plate 14 by the positioning pins 15. The two clamping plates 14 are adjusted to fit with the counterweight, thereby quickly and effectively fixing different counterweights and improving work efficiency. During the movement of the two bottom plates 6, the telescopic baffle 19 in the middle will be stretched, and the telescopic sleeve 18 will be used to protect the bidirectional threaded rod 4 to prevent debris from falling onto the bidirectional threaded rod 4 and causing damage, affecting its use. Through their cooperation, the service life of the bidirectional threaded rod 4 is extended.

[0030] It should be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A clamping device for processing of a weight, characterized in that: The device includes a workbench (1), on which mounting plates (2) are fixedly connected on both sides of the top of the workbench (1). A motor (3) is fixedly connected to the outer wall of one side of the mounting plate (2). A bidirectional threaded rod (4) is fixedly connected to the output end of the motor (3). Connecting blocks (5) are threaded to the outer walls of both ends of the bidirectional threaded rod (4). A base plate (6) is fixedly connected to the top of each connecting block (5). A vertical plate (8) is fixedly connected to the top of each base plate (6). Three clamping plates (14) are provided on the outside of each vertical plate (8). A rubber pad (16) is fixedly connected to the outer wall of each clamping plate (14).

2. The clamping device for counterweight machining according to claim 1, characterized in that: Two of the clamping plates (14) are rotatably connected to the two sides of another clamping plate (14) by positioning pins (15), and the other clamping plate (14) is fixedly connected to the outer wall of the vertical plate (8).

3. The clamping device for counterweight machining according to claim 2, characterized in that: The vertical plate (8) has an adjusting screw (10) threaded inside both sides. The adjusting screw (10) has a connecting block two (11) threaded on its outer side wall. The clamp plate (14) has a limiting seat (17) fixedly connected to its inner side wall. The limiting seat (17) and the connecting block two (11) are both rotatably connected to a limiting rod (13).

4. The clamping device for processing of the counterweight according to claim 3, characterized in that: A rotating plate (12) is fixedly connected between the limiting rods (13) on both sides. The rotating plate (12) is rotatably connected between the limiting seat (17) and the connecting block two (11), while the connecting block two (11) is slidably connected inside the vertical plate (8).

5. The clamping device for processing of the counterweight according to claim 4, characterized in that: The top of the workbench (1) is fixedly connected to a pair of guide rails (9), the bottom of the base plate (6) is fixedly connected to a pair of sliders (7), and the sliders (7) are slidably connected to the outer wall of the guide rails (9). The bottom of the workbench (1) is fixedly connected to a pair of support legs (20).

6. The clamping device for processing of the counterweight according to claim 5, characterized in that: A telescopic baffle (19) is fixedly connected between the two bottom plates (6). A telescopic sleeve (18) is fixedly connected between one side of the connecting block (5) and the inner side wall of the mounting plate (2). The telescopic sleeve (18) is sleeved on the outer wall of the bidirectional threaded rod (4).

Citation Information

Patent Citations

  • Clamping device for balancing weight

    CN212101022U