Clamp for grinding mechanical parts

Abstract

The utility model discloses a machine part polishing clamp which comprises a supporting frame, the top of the supporting frame is fixedly connected with a positioning plate, the top of the positioning plate is fixedly connected with a matching piece, an inner cavity of the positioning plate is in threaded connection with a threaded rod, and the accessories are placed on the surface of the positioning plate, so that the matching piece is fixed to the surface of the positioning plate. Then a rotating handle is rotated to drive a threaded rod to rotate through a positioning plate, the threaded rod drives a moving plate to move towards a matching piece through a threaded sleeve, and the accessory is clamped and fixed in the moving process; a fourth sliding block is rotationally connected with a third sliding block, the third sliding block is rotationally connected with a second sliding block, and the second sliding block drives a first sliding block to rotate at the same time; and the first sliding block rotates through the moving plate, the fitting is fixed through the matching piece through continuous rotating adjustment, then the fitting is ground and machined through the grinding assembly, and therefore the purposes that the fixing effect is improved, the special-shaped fitting can be fixed, and displacement and vibration of the fitting in the machining process are avoided can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical parts processing, and particularly relates to a fixture for grinding mechanical parts. Background Technique

[0002] Mechanical parts are an important part of mechanical products. They are diverse in types and functions. During the mechanical processing, defects such as scratches, burrs, and tool marks may appear on the surface of the parts. Through grinding, these defects can be effectively removed, making the surface smoother and improving the surface quality.

[0003] When some existing grinding fixtures for mechanical parts are in use, for irregular-shaped special-shaped parts, it is often difficult for ordinary fixtures to achieve accurate positioning, which reduces the fixing effect of the fixture and causes the parts to displace and vibrate during the processing. Therefore, a fixture for grinding mechanical parts is proposed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fixture for grinding mechanical parts, which has the purpose of improving the fixing effect and can fix special-shaped parts, thus avoiding the displacement and vibration of the parts during the processing, so as to solve the above background technical problems.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: A fixture for grinding mechanical parts, which includes a support frame. A positioning plate is fixedly connected to the top of the support frame. A fitting is fixedly connected to the top of the positioning plate. A threaded rod is threadedly connected to the inner cavity of the positioning plate. A turning handle is fixedly connected to one side of the threaded rod. A threaded sleeve is threadedly connected to the outer side of the turning handle. A moving plate is fixedly connected to the top of the threaded sleeve. First sliders are slidably connected to both sides of the inner cavity of the moving plate. Second sliders are slidably connected to both sides of the inner cavity of the first sliders. Third sliders are slidably connected to both sides of the inner cavity of the second sliders. Fourth sliders are slidably connected to both sides of the inner cavity of the third sliders. An installation frame is fixedly connected to the top of the support frame. A push rod is slidably connected to the inner cavity of the installation frame. A grinding assembly is fixedly connected to one side of the push rod.

[0006] Preferably, convex blocks are fixedly connected to both sides of the moving plate. A chute for using with the convex blocks is formed on the surface of the positioning plate. The chute is slidably connected to the convex blocks.

[0007] Preferably, sliding sleeves are fixedly connected to both sides of the bottom of the moving plate. Slide rods are fixedly connected to both sides of the inner cavity of the positioning plate. The slide rods are slidably connected to the sliding sleeves.

[0008] Preferably, a guiding groove is formed in the inner cavity of the moving plate. A guiding block is fixedly connected to the outer side of the first slider. The guiding block is adapted to the guiding groove.

[0009] Preferably, the grinding assembly includes a moving frame fixedly connected to one side of the push rod. An electric cylinder is fixedly connected to the top of the moving frame. The telescopic end of the electric cylinder penetrates through the moving frame and extends into the inner cavity of the moving frame to be fixedly connected with a driving motor. The driving motor is slidably connected to the moving frame, and an output shaft of the driving motor is fixedly connected with a grinding wheel.

[0010] Preferably, the grinding assembly further includes limiting grooves opened on both sides of the inner cavity of the mounting frame. One side of the limiting groove communicates with a through groove. A limiting block is arranged on one side of the through groove. The limiting block is threadedly connected to the moving frame.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. In the present utility model, the accessory is placed on the surface of the positioning plate. Then, the turning handle is rotated to drive the threaded rod to rotate through the positioning plate. The threaded rod drives the moving plate to move towards the fitting through the threaded sleeve. During the movement, the accessory is clamped and fixed. Since the fourth slider is rotatably connected to the third slider, the third slider is rotatably connected to the second slider, the second slider drives the first slider to rotate simultaneously, and the first slider rotates through the moving plate. Through continuous rotation adjustment, the fitting is fixed by the fitting. Then, the accessory is polished by the grinding assembly, so as to achieve the purpose of improving the fixing effect, fixing the special-shaped accessory, and thus avoiding the displacement and vibration of the accessory during the processing;

[0013] 2. In the present utility model, the guiding grooves and guiding blocks are adapted to facilitate the sliding connection between the moving plate and the first slider, and at the same time limit the moving plate and the first slider;

[0014] 3. In the present utility model, the moving frame is provided to facilitate driving the electric cylinder to move. The electric cylinder drives the driving motor to move up and down. The driving motor drives the grinding wheel to polish the surface of the accessory. The limiting groove is provided to facilitate the movement of the moving frame. The through groove is provided to facilitate the synchronous movement of the limiting block. The limiting block is provided to fix the moving frame through the mounting frame. Description of the Drawings

[0015] Among them:

[0016] Figure 1 is a three-dimensional view of an embodiment of the present utility model;

[0017] Figure 2 is a three-dimensional view of the fitting and the moving plate of an embodiment of the present utility model;

[0018] Figure 3 is a partial enlarged view of point A of the present utility model;

[0019] Figure 4 This is a perspective view of the grinding assembly according to an embodiment of the present utility model.

[0020] In the accompanying drawings, the list of components represented by each reference numeral is as follows:

[0021] 1. Support frame, 2. Positioning plate, 3. Fitting, 4. Threaded rod, 5. Rotating handle, 6. Threaded sleeve, 7. Moving plate, 8. First slider, 9. Second slider, 10. Third slider, 11. Fourth slider, 12. Protrusion, 13. Chute, 14. Sliding sleeve, 15. Slide bar, 16. Guide groove, 17. Guide block, 18. Mounting bracket, 19. Push rod, 20. Moving bracket, 21. Electric cylinder, 22. Driving motor, 23. Grinding wheel, 24. Limiting groove, 25. Through groove, 26. Limiting block. Specific embodiments

[0022] In the following, embodiments of the fixture for grinding mechanical parts of the present utility model will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figures 1-4A fixture for grinding mechanical parts according to an embodiment of the present utility model is shown, which includes a support frame 1. A positioning plate 2 is fixedly connected to the top of the support frame 1. A fitting 3 is fixedly connected to the top of the positioning plate 2. A threaded rod 4 is threadedly connected to the inner cavity of the positioning plate 2. A rotating handle 5 is fixedly connected to one side of the threaded rod 4. A threaded sleeve 6 is threadedly connected to the outer side of the rotating handle 5. A moving plate 7 is fixedly connected to the top of the threaded sleeve 6. A guiding groove 16 is formed in the inner cavity of the moving plate 7. A guiding block 17 is fixedly connected to the outer side of the first slider 8. The guiding block 17 is adapted to the guiding groove 16. By setting the guiding groove 16 and the guiding block 17 to be adapted, it is convenient for the sliding connection between the moving plate 7 and the first slider 8, and at the same time, the moving plate 7 and the first slider 8 are limited. First sliders 8 are slidably connected to both sides of the inner cavity of the moving plate 7. Second sliders 9 are slidably connected to both sides of the inner cavity of the first slider 8. Third sliders 10 are slidably connected to both sides of the inner cavity of the second slider 9. Fourth sliders 11 are slidably connected to both sides of the inner cavity of the third slider 10. An installation frame 18 is fixedly connected to the top of the support frame 1. A push rod 19 is slidably connected to the inner cavity of the installation frame 18. A grinding assembly is fixedly connected to one side of the push rod 19. The grinding assembly includes a moving frame 20 fixedly connected to one side of the push rod 19. An electric cylinder 21 is fixedly connected to the top of the moving frame 20. The telescopic end of the electric cylinder 21 penetrates through the moving frame 20 and extends into the inner cavity of the moving frame 20 to be fixedly connected to a driving motor 22. The driving motor 22 is slidably connected to the moving frame 20. A grinding wheel 23 is fixedly connected to the output shaft of the driving motor 22. The grinding assembly further includes limiting grooves 24 formed on both sides of the inner cavity of the installation frame 18. A through groove 25 communicates with one side of the limiting groove 24. A limiting block 26 is arranged on one side of the through groove 25. The limiting block 26 is threadedly connected to the moving frame 20. By setting the moving frame 20, it is convenient to drive the electric cylinder 21 to move. The electric cylinder 21 drives the driving motor 22 to move up and down. The driving motor 22 drives the grinding wheel 23 to grind the surface of the part. By setting the limiting groove 24, it is convenient for the moving frame 20 to move. Through the through groove 25, it is convenient for the limiting block 26 to move synchronously. By setting the limiting block 26, the moving frame 20 can be fixed by the installation frame 18. By placing the part on the surface of the positioning plate 2, then rotating the rotating handle 5 to drive the threaded rod 4 to rotate through the positioning plate 2, the threaded rod 4 drives the moving plate 7 to move towards the fitting 3 through the threaded sleeve 6, and the part is clamped and fixed during the movement. By rotatably connecting the fourth slider 11 and the third slider 10, rotatably connecting the third slider 10 and the second slider 9, the second slider 9 drives the first slider 8 to rotate simultaneously, and the first slider 8 rotates through the moving plate 7. Through continuous rotation adjustment, the part is fixed by the fitting 3, and then the part is ground and processed by the grinding assembly, so as to achieve the purpose of improving the fixing effect, fixing the special-shaped part, and thus avoiding the displacement and vibration of the part during the processing process.

[0025] Embodiment Two:

[0026] Figures 1-4 A fixture for grinding mechanical parts showing an embodiment of the present utility model, which includes a support frame 1. A positioning plate 2 is fixedly connected to the top of the support frame 1. A fitting 3 is fixedly connected to the top of the positioning plate 2. A threaded rod 4 is threadedly connected to the inner cavity of the positioning plate 2. A turning handle 5 is fixedly connected to one side of the threaded rod 4. A threaded sleeve 6 is threadedly connected to the outer side of the turning handle 5. A moving plate 7 is fixedly connected to the top of the threaded sleeve 6. Protrusions 12 are fixedly connected to both sides of the moving plate 7. A sliding groove 13 for using with the protrusion 12 is formed on the surface of the positioning plate 2. The sliding groove 13 is slidably connected to the protrusion 12. By setting the sliding connection between the protrusion 12 and the sliding groove 13, it is convenient for the moving plate 7 to move on the surface of the positioning plate 2. Sliding sleeves 14 are fixedly connected to both sides of the bottom of the moving plate 7. Slide rods 15 are fixedly connected to both sides of the inner cavity of the positioning plate 2. The slide rods 15 are slidably connected to the sliding sleeves 14. By setting the sliding connection between the sliding sleeve 14 and the slide rod 15, it is convenient for the threaded sleeve 6 to drive the moving plate 7 to move, and at the same time, the sliding sleeve 14 and the slide rod 15 play a supporting role during the movement. First sliders 8 are slidably connected to both sides of the inner cavity of the moving plate 7. Second sliders 9 are slidably connected to both sides of the inner cavity of the first slider 8. Third sliders 10 are slidably connected to both sides of the inner cavity of the second slider 9. Fourth sliders 11 are slidably connected to both sides of the inner cavity of the third slider 10. An installation frame 18 is fixedly connected to the top of the support frame 1. A push rod 19 is slidably connected to the inner cavity of the installation frame 18. A grinding assembly is fixedly connected to one side of the push rod 19.

[0027] Working principle: When the present utility model is used, the user places the part on the surface of the positioning plate 2, and then rotates the turning handle 5 to drive the threaded rod 4 to rotate through the positioning plate 2. The threaded rod 4 drives the moving plate 7 to move towards the fitting 3 through the threaded sleeve 6, and at the same time drives the threaded sleeve 6 to slide through the slide rod 15. During the movement, the part is clamped and fixed. By the rotational connection between the fourth slider 11 and the third slider 10, the rotational connection between the third slider 10 and the second slider 9, the second slider 9 drives the first slider 8 to rotate simultaneously, and the first slider 8 rotates through the moving plate 7. Through continuous rotational adjustment, the part is fixed by the fitting 3. Then, the push rod 19 drives the moving frame 20 to move through the limit groove 24, and then rotates the limit block 26 to fix the moving frame 20 through the through groove 25. The moving frame 20 drives the electric cylinder 21 to move. The electric cylinder 21 drives the driving motor 22 to move up and down. The driving motor 22 drives the grinding wheel 23 to grind the surface of the part, so as to achieve the purpose of improving the fixing effect, being able to fix special-shaped parts, and thus avoiding the displacement and vibration of the parts during the processing process.

Claims

1. A fixture for grinding mechanical parts, characterized in that: The invention comprises a support frame (1), the top of the support frame (1) is fixedly connected to a positioning plate (2), the top of the positioning plate (2) is fixedly connected to a matching piece (3), the inner cavity of the positioning plate (2) is threadedly connected to a threaded rod (4), one side of the threaded rod (4) is fixedly connected to a rotating handle (5), the outer side of the rotating handle (5) is threadedly connected to a threaded sleeve (6), the top of the threaded sleeve (6) is fixedly connected to a moving plate (7), and both sides of the inner cavity of the moving plate (7) are slidably connected to the inner cavity of the moving plate (7). A first slider (8) is provided, and a second slider (9) is slidably connected to both sides of the inner cavity of the first slider (8), a third slider (10) is slidably connected to both sides of the inner cavity of the second slider (9), and a fourth slider (11) is slidably connected to both sides of the inner cavity of the third slider (10), and a mounting frame (18) is fixedly connected to the top of the support frame (1), and a push rod (19) is slidably connected to the inner cavity of the mounting frame (18), and a grinding component is fixedly connected to one side of the push rod (19).

2. A fixture for grinding mechanical parts according to claim 1, characterized in that: Both sides of the movable plate (7) are fixedly connected with protrusions (12), and the surface of the positioning plate (2) is provided with a sliding groove (13) used in conjunction with the protrusion (12), and the sliding groove (13) is slidably connected with the protrusion (12).

3. A fixture for grinding mechanical parts according to claim 1, characterized in that: Both sides of the bottom of the movable plate (7) are fixedly connected with sliding sleeves (14), and both sides of the inner cavity of the positioning plate (2) are fixedly connected with sliding rods (15), and the sliding rods (15) are slidably connected with the sliding sleeves (14).

4. A fixture for grinding mechanical parts according to claim 1, characterized in that: The inner cavity of the movable plate (7) is provided with a guide groove (16), and the outer side of the first sliding block (8) is fixedly connected with a guide block (17), and the guide block (17) is adapted to the guide groove (16).

5. A fixture for grinding mechanical parts according to claim 4, characterized in that: The grinding assembly comprises a moving frame (20) fixedly connected to one side of the push rod (19); the top of the moving frame (20) is fixedly connected to an electric cylinder (21); the telescopic end of the electric cylinder (21) passes through the moving frame (20) and extends to the inner cavity of the moving frame (20) and is fixedly connected to a driving motor (22); the driving motor (22) is slidably connected to the moving frame (20); and the output shaft of the driving motor (22) is fixedly connected to a grinding wheel (23).

6. A fixture for grinding mechanical parts according to claim 5, characterized in that: The polishing assembly further comprises limit grooves (24) provided on both sides of the inner cavity of the mounting frame (18), one side of the limit groove (24) is connected to a through groove (25), one side of the through groove (25) is provided with a limit block (26), and the limit block (26) is threadedly connected to the movable frame (20).

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