Self-adaptive adjustment machine tool clamp

Through the adaptive adjustment of the clamping and adjustment device of the machine tool fixture, the problem of the clamping cannot be adaptively adjusted and multi-angle adjustment is solved, and the accuracy and efficiency of workpiece processing are improved.

CN223172510UActive Publication Date: 2025-08-01ZHONGHAO CHENGUANG RES INST OF CHEMICALINDUSTRY CO LTD
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Patent Information

Application Number
CN202422288495.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-01
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The existing machine tool fixtures cannot be adjusted adaptively. Different shapes of different workpieces lead to unstable clamping effect and cannot be adjusted from multiple angles, which reduces processing efficiency.

Method used

The clamping device and adjustment device are adopted. The clamping device realizes adaptive adjustment through the telescopic cylinder and the rotating rod. The adjustment device realizes multi-angle adjustment through the scroll rod and the turbine, and combines with motor drive to achieve stable clamping and angle adjustment of the workpiece.

Benefits of technology

It realizes stable clamping of workpieces of different sizes and shapes, improves machining accuracy and efficiency, and does not require frequent disassembly and assemble the workpieces for angle adjustment.

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    Figure CN223172510U_ABST
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Abstract

The utility model discloses a self-adaptive adjusting machine tool clamp, which comprises a clamping device, an adjusting clamping device, an adjusting clamping device and a control device, the adjusting clamping device comprises a fixing assembly and a driving assembly, the fixing assembly is used for fixing workpieces with different sizes and shapes, and the driving assembly is used for driving the fixing assembly; the adjusting device is used for adjusting the angle of the clamping device; the supporting part is used for supporting the clamping device and the adjusting device; workpieces of different sizes and shapes can be clamped through telescoping of a telescopic air cylinder, clamping plates at the front end and the rear end and mutual cooperation of the connecting position of a first rotating rod and a second rotating rod, self-adaptive adjustment is achieved, the clamping effect is good, a worm is rotated to drive a worm wheel to move towards the two sides, and multi-angle adjustment can be conducted on the clamped workpieces.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine tool fixtures, in particular to an adaptive adjustable machine tool fixture. Background Art

[0002] A fixture is a device used to fix a processing object during the mechanical manufacturing process, so that it occupies a correct position to receive construction or inspection. In order to ensure the standardization of the produced parts during mass mechanical processing, it is necessary to determine the processing position. Most current numerical control machine tools have achieved automated production, and the machine tool will automatically calibrate the position after the worker installs the part. Although this can ensure the accuracy of the produced parts to the greatest extent.

[0003] The utility model patent with the publication number CN220533589U discloses a machine tool fixture, including a fixture body for clamping parts. The fixture body includes: a base with a chute opened thereon; a movable jaw slidably installed in the chute; a fixed jaw fixedly installed on the base and located at one end of the base, and the movable jaw and the fixed jaw cooperate to clamp the workpiece; a first clamping plate installed on one side of the movable jaw close to the fixed jaw; a second clamping plate installed on one side of the fixed jaw close to the movable jaw; matching comb teeth are provided on the connection surfaces between the movable jaw and the first clamping plate and between the fixed jaw and the second clamping plate; a pushing component installed in the chute for pushing the movable jaw to move along the chute towards the fixed jaw direction so that the movable jaw and the fixed jaw clamp the workpiece.

[0004] This prior art still has some problems: 1. It cannot be adaptively adjusted. Different workpieces have different shapes, making it inconvenient to adjust the clamping surface. The clamping effect is unstable, prone to loosening, resulting in large errors during workpiece processing.

[0005] 2. After the fixture fixes the workpiece, it cannot adjust the workpiece at multiple angles on the fixture. It can only remove the workpiece and then fix it on the fixture after changing the direction, which causes inconvenience to the staff and reduces work efficiency. Summary of the Utility Model

[0006] The technical problem to be solved by the utility model is to overcome the above defects and provide an adaptive adjustable machine tool fixture.

[0007] To solve the above technical problem, the technical solution provided by the utility model is as follows:

[0008] An adaptive adjustable machine tool fixture, including:

[0009] A clamping device, the adjusting clamping device includes a fixing component and a driving component. The fixing component is used to fix workpieces of different sizes and shapes, and the driving component is used to provide driving for the fixing component;

[0010] An adjustment device for adjusting the angle of the clamping device;

[0011] A support part for supporting the clamping device and the adjustment device;

[0012] As an improvement, the support part is an upper plate and a lower plate, and the upper plate is arranged above the lower plate.

[0013] As an improvement, the fixing component includes two first rotating rods which are rotatably connected to both sides of the upper end of the upper plate. Both the front and rear ends of the first rotating rods are rotatably connected with second rotating rods. The mutually remote ends of the second rotating rods at the front and rear ends are rotatably connected with moving plates. Clamping plates are fixedly connected to the upper ends of the moving plates. The clamping plates at the front and rear ends are symmetrically arranged.

[0014] As an improvement, a plurality of friction parts are fixedly connected to the mutually approaching surfaces of the clamping plates at the front and rear ends.

[0015] As an improvement, the driving component includes two telescopic cylinders which are arranged on both sides below the upper plate. Sliders are fixedly connected to the rear ends of the telescopic cylinders. Fixed blocks are fixedly connected to the front ends of the telescopic cylinders. The upper ends of the fixed blocks are fixedly connected with the upper plate. Chute grooves are opened on both sides of the rear part of the upper plate. The sliders are slidably connected in the chute grooves. The upper ends of the sliders pass through the chute grooves and extend above them and are fixedly connected with the front moving plates.

[0016] As an improvement, slide rails with chute grooves opened on both sides are fixedly connected to both the front and rear sides of the upper end of the upper plate. The lower ends of both sides of the moving plates are respectively slidably connected to the slide rails on both sides.

[0017] As an improvement, fixing plates are fixedly connected to both sides of the upper end of the lower plate. A worm is rotatably connected to the mutually approaching surfaces of the two fixing plates. A fixing frame is fixedly connected to the upper ends of the two fixing plates. A turbine is rotatably connected to the middle of the fixing frame. The turbine is meshed with the worm.

[0018] As an improvement, a fixing rod is fixedly connected to the middle of the turbine. Both the front and rear ends of the fixing rod pass through the fixing frame and extend to the outside of it. The fixing rod is rotatably connected with the fixing frame. Moving frames are fixedly connected to both the front and rear ends of the fixing rod. The upper ends of the moving frames are fixedly connected with the upper plate.

[0019] As an improvement, a motor is fixedly connected to one side of the upper end of the lower plate. The output shaft of the motor passes through the fixing plate and extends to the outside of it and is fixedly connected with the worm.

[0020] The advantages of the present utility model compared with the prior art are as follows: 1. Through the expansion and contraction of the telescopic cylinder, the clamping plates at the front and rear ends and the connections of the first rotating rod and the second rotating rod cooperate with each other, enabling workpieces of different sizes and shapes to be clamped, achieving adaptive adjustment and having a good clamping effect.

[0021] 2. By rotating the worm, the turbine is driven to move towards both sides, enabling multi-angle adjustment of the clamped workpiece without the need to remove the workpiece and re-clamp it, which is highly practical and increases the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional schematic of the present utility model Figure 1 ;

[0023] Figure 2 is a three-dimensional schematic of the present utility model Figure 2 ;

[0024] Figure 3 is a schematic diagram of the adjustment device of the present utility model;

[0025] As shown in the figure: 1. Clamping device; 2. Adjustment device; 3. Upper plate; 4. Lower plate; 5. First rotating rod; 6. Second rotating rod; 7. Moving plate; 8. Clamping plate; 9. Friction part; 10. Telescopic cylinder; 11. Slide block; 12. Slide groove; 13. Slide rail; 14. Fixed plate; 15. Worm; 16. Fixed frame; 17. Turbine; 18. Fixed rod; 19. Moving frame; 20. Motor; 21. Fixed block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0027] Combined with the attached Figures 1 to 3 , an adaptive adjustment machine tool fixture mainly includes: a clamping device 1, an adjustment device 2, and a support part. Among them, the support part is used to support the clamping device 1 and the adjustment device 2, and the support part is the upper plate 3 and the lower plate 4, and the upper plate 3 is arranged above the lower plate 4.

[0028] Then, the adjustment clamping device 1 includes a fixing component and a driving component. The fixing component is used to fix workpieces of different sizes and shapes, and the driving component is used to provide driving for the fixing component. The fixing component includes two first rotating rods 5, and the first rotating rods 5 are rotatably connected to both sides of the upper end of the upper plate 3. The front and rear ends of the first rotating rods 5 are both rotatably connected to the second rotating rods 6. The mutually remote ends of the front and rear second rotating rods 6 are both rotatably connected to the moving plates 7. The upper ends of the moving plates 7 are both fixedly connected with the clamping plates 8. The front and rear clamping plates 8 are symmetrically arranged, and a plurality of friction parts 9 are fixedly connected to the mutually approaching surfaces of the front and rear clamping plates 8, which can make the clamping of the workpiece by the clamping plates 8 more stable.

[0029] Next, the driving assembly includes two telescopic cylinders 10. The telescopic cylinders 10 are arranged on both sides below the upper plate 3. Sliders 11 are fixedly connected to the rear ends of the telescopic cylinders 10, and fixed blocks 21 are fixedly connected to the front ends of the telescopic cylinders 10. The upper ends of the fixed blocks 21 are fixedly connected to the upper plate 3. Chutes 12 are opened on both sides of the rear part of the upper plate 3. The sliders 11 are slidably connected in the chutes 12. The upper ends of the sliders 11 pass through the chutes 12 and extend above them and are fixedly connected to the front moving plate 7.

[0030] When the telescopic cylinders 10 contract and pull, the sliders 11 move forward in the chutes 12, pushing the moving plate 7 at the rear end forward, squeezing the rear rotating rod two 6 to move forward, pushing the two rotating rods one 5 on both sides to rotate counterclockwise, driving the rotating rod two 6 at the front end to move backward, pulling the moving plate 7 at the front section to slide backward, and the clamping plates 8 at the front and rear ends clamp the workpiece. At the same time, the connecting parts of the two rotating rods one 5 and the rotating rod two 6 on both sides will abut against the workpiece, forming multi-directional fixation, clamping and fixing workpieces of different shapes, and realizing adaptive adjustment.

[0031] Then, the adjusting device 2 is used to adjust the angle of the clamping device 1. Fixed plates 14 are fixedly connected to both sides of the upper end of the lower plate 4. A worm 15 is rotatably connected to the mutually approaching surfaces of the two fixed plates 14. A fixed frame 16 is fixedly connected to the upper ends of the two fixed plates 14. A turbine 17 is rotatably connected to the middle of the fixed frame 16. The turbine 17 meshes with the worm 15. A fixed rod 18 is fixedly connected to the middle of the turbine 17. The front and rear ends of the fixed rod 18 pass through the fixed frame 16 and extend to the outside of it. The fixed rod 18 is rotatably connected to the fixed frame 16. Moving frames 19 are fixedly connected to the front and rear ends of the fixed rod 18. The upper ends of the moving frames 19 are fixedly connected to the upper plate 3. In order to provide drive for the worm 15, a motor 20 is fixedly connected to one side of the upper end of the lower plate 4. The output shaft of the motor 20 passes through the fixed plate 14 and extends to the outside of it and is fixedly connected to the worm 15.

[0032] The motor 20 drives the worm 15 to rotate, driving the turbine 17 meshing with it above to rotate in both directions, driving the workpiece clamped at the upper end through the moving frame 19 to adjust the angle, facilitating the operator to process the workpiece at multiple angles without having to disassemble and reassemble the workpiece, and increasing the processing efficiency.

[0033] It should be noted here that the electrical components appearing in this article are all electrically connected to the external main controller and 220V mains power. And the main controller can be a conventional known device such as a computer for control. The detailed descriptions of known functions and known components are omitted in the specific implementation manners of the present disclosure. To ensure the compatibility of the device, the operating means adopted are consistent with the parameters of market instruments. The information disclosed in this background art section is only intended to increase the understanding of the overall background of the present invention and should not be regarded as an admission or any form of implication that this information constitutes prior art already known to those of ordinary skill in the art.

[0034] The above description is made on the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. An adaptive adjustable machine tool fixture, characterized in that Comprising: A clamping device (1), the adjusting clamping device (1) includes a fixing component and a driving component, the fixing component is used to fix workpieces of different sizes and shapes, and the driving component is used to provide driving force for the fixing component; An adjusting device (2), the adjusting device (2) is used to adjust the angle of the clamping device (1); A supporting part, the supporting part is used to support the clamping device (1) and the adjusting device (2).

2. The adaptive adjustment machine tool fixture according to claim 1, wherein: The supporting part is an upper plate (3) and a lower plate (4), and the upper plate (3) is arranged above the lower plate (4).

3. The adaptive adjustment machine tool fixture according to claim 2, wherein: The fixing component includes two first rotating rods (5), the first rotating rods (5) are rotatably connected to both sides of the upper end of the upper plate (3), both the front and rear ends of the first rotating rods (5) are rotatably connected to second rotating rods (6), and both the mutually remote ends of the second rotating rods (6) at the front and rear ends are rotatably connected to moving plates (7), clamping plates (8) are fixedly connected to the upper ends of the moving plates (7), and the clamping plates (8) at the front and rear ends are symmetrically arranged.

4. The self - adaptive adjustable machine tool fixture according to claim 3, characterized in that: A plurality of friction parts (9) are fixedly connected to the mutually approaching surfaces of the clamping plates (8) at the front and rear ends.

5. The adaptive adjustable machine tool fixture according to claim 3, wherein: The driving component includes two telescopic cylinders (10), the telescopic cylinders (10) are arranged on both sides below the upper plate (3), sliders (11) are fixedly connected to the rear ends of the telescopic cylinders (10), fixed blocks (21) are fixedly connected to the front ends of the telescopic cylinders (10), the upper ends of the fixed blocks (21) are fixedly connected to the upper plate (3), chutes (12) are opened on both sides of the rear part of the upper plate (3), the sliders (11) are slidably connected in the chutes (12), and the upper ends of the sliders (11) pass through the chutes (12) and extend above them and are fixedly connected to the front moving plates (7).

6. The adaptive adjustment machine tool fixture according to claim 3, wherein: Slide rails (13) with chutes opened on both sides are fixedly connected to both the front and rear sides of the upper end of the upper plate (3), and both sides of the lower ends of the moving plates (7) are respectively slidably connected to the two slide rails (13).

7. The self - adaptive adjusting machine tool fixture according to claim 2, wherein: Fixed plates (14) are fixedly connected to both sides of the upper end of the lower plate (4), a worm (15) is rotatably connected to the mutually approaching surfaces of the two fixed plates (14), a fixed frame (16) is fixedly connected to the upper ends of the two fixed plates (14), a turbine (17) is rotatably connected to the middle of the fixed frame (16), and the turbine (17) meshes with the worm (15).

8. The adaptive adjustment machine tool fixture according to claim 7, wherein: A fixed rod (18) is fixedly connected to the middle of the turbine (17), both the front and rear ends of the fixed rod (18) pass through the fixed frame (16) and extend to the outside thereof, the fixed rod (18) is rotatably connected to the fixed frame (16), moving frames (19) are fixedly connected to both the front and rear ends of the fixed rod (18), and the upper ends of the moving frames (19) are fixedly connected to the upper plate (3).

9. The adaptive adjustment machine tool fixture according to claim 7, wherein: A motor (20) is fixedly connected to one side of the upper end of the lower plate (4), and the output shaft of the motor (20) passes through the fixed plate (14) and extends to the outside thereof and is fixedly connected to the worm (15).

Citation Information

Patent Citations

  • Machine tool clamp

    CN220533589U