Fixture for machining sector gear

Abstract

The utility model discloses a sector gear machining clamp which comprises a supporting plate, a containing table and an adjusting box are fixedly installed at the center and the rear end of the upper surface of the supporting plate respectively, a limiting screw rod is fixedly installed on the upper surface of the containing table, and a sector gear body is connected to the top of the limiting screw rod in an inserted mode. First rotating blocks are fixedly connected to the left end and the right end of the front surface of the adjusting box, clamping plates are movably connected to inner cavities of the first rotating blocks through rotating shafts, and a double-thread screw is movably connected to an inner cavity of the adjusting box through a bearing. The supporting plate, the second rotating block, the first rotating block, the adjusting box, the sliding block, the double-thread screw, the containing table, the sector gear body, an adjusting strip, a clamping plate and a rubber block are used in cooperation, the sector gear clamping device has the advantage that sector gears of different sizes can be clamped, adjustment is convenient when the sector gear clamping device is used, the sector gears of different sizes and sizes can be stably clamped, and the working efficiency is improved. And shaking in the machining process is prevented, and use by workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of gear production, in particular to a clamp for processing sector gears. Background Art

[0002] A gear is a mechanical component with teeth on the rim that can continuously mesh to transmit motion and power. Gears can also be divided into cylindrical gears, bevel gears, non-circular gears, racks, and worm gears according to their appearance. Gears need to be clamped with a fixture during the processing process to facilitate processing operations.

[0003] After searching, the patent number is CN216370514U, and the name is a gear processing fixture, including a base. Through research and analysis, it is found that although it can adapt to the different sizes of tooth gaps of different gears, it has strong adaptability, a wide range of applications, is relatively practical, and is suitable for widespread promotion and use, but it still has the following shortcomings to a certain extent.

[0004] For example, when processing non-circular sector gears, due to their irregularity, the sector gears are unstable when clamped and are prone to shaking during processing, which reduces the practicality of the equipment and makes it inconvenient for staff to use. In order to solve the above technical problems, we have designed a fixture for processing sector gears. Utility Model Content

[0005] The utility model aims to provide a clamp for processing sector gears, which has the advantage of being able to clamp sector gears of different sizes, and solves the problem that the sector gears are prone to shaking during the clamping process of non-circular sector gears by the existing clamps, making it inconvenient to perform processing operations on them.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for processing fan-shaped gears, comprising a support plate, a placing table and an adjusting box are respectively fixedly installed at the center and rear end of the upper surface of the support plate, a limiting screw is fixedly installed on the upper surface of the placing table, a fan-shaped gear body is inserted on the top of the limiting screw, the left and right ends of the front surface of the adjusting box are fixedly connected to the first rotating block, the inner cavity of the first rotating block is movably connected to the clamping plate through a rotating shaft, the inner cavity of the adjusting box is movably connected to the double-headed screw through a bearing, the left and right ends of the outer surface of the double-headed screw are threadedly sleeved with sliding blocks at the front end of the sliding block, the inner cavity of the second rotating block is movably connected to the adjusting strip through the rotating shaft, a sliding groove is provided on the surface of the clamping plate away from one end, and the front end of the adjusting strip is located in the inner cavity of the sliding groove.

[0007] Preferably, a rubber block is fixedly mounted on a corresponding end of the clamping plate, the rubber block is triangular in shape, and a corresponding end of the rubber block fits with the inclined surface of the sector gear body.

[0008] Preferably, the upper and lower surfaces of the inner cavity of the slide groove are both provided with limit grooves, the front ends of the upper and lower surfaces of the adjustment strip are fixedly connected to limit rods, and the limit rods are located in the inner cavity of the limit grooves.

[0009] Preferably, a top threaded sleeve on the outer surface of the limiting screw is provided with a positioning sleeve, and the lower surface of the positioning sleeve is in contact with the upper surface of the sector gear body.

[0010] Preferably, a rotating rod is provided at the left end of the regulating box, and the right end of the rotating rod passes through the regulating box and is fixedly connected to the left end of the double-headed screw.

[0011] Preferably, the threads at the left and right ends of the outer surface of the double-headed screw have opposite rotation directions.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model cooperates with a support plate, a second rotating block, a first rotating block, an adjusting box, a sliding block, a double-headed screw, a placing table, a sector gear body, an adjusting strip, a clamping plate and a rubber block to have the advantage of being able to clamp sector gears of different sizes. When in use, it is convenient to adjust and can stably clamp sector gears of different sizes and dimensions to prevent them from shaking during processing, which is convenient for use by staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the splint structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the limiting screw structure of the utility model.

[0017] In the figure: 1. rotating rod; 2. supporting plate; 3. second rotating block; 4. first rotating block; 5. adjusting box; 6. sliding block; 7. double-headed screw; 8. placing table; 9. sector gear body; 10. adjusting bar; 11. limiting rod; 12. clamping plate; 13. rubber block; 14. limiting groove; 15. sliding groove; 16. positioning sleeve; 17. limiting screw. DETAILED DESCRIPTION

[0018] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0019] See also Figure 1-3A clamp for processing fan-shaped gears comprises a support plate 2, a placing table 8 and an adjusting box 5 are fixedly installed at the center and rear end of the upper surface of the support plate 2 respectively, a limiting screw 17 is fixedly installed on the upper surface of the placing table 8, a fan-shaped gear body 9 is inserted on the top of the limiting screw 17, the left and right ends of the front surface of the adjusting box 5 are fixedly connected with a first rotating block 4, the inner cavity of the first rotating block 4 is movably connected with a clamping plate 12 through a rotating shaft, the inner cavity of the adjusting box 5 is movably connected with a double-headed screw 7 through a bearing, the left and right ends of the outer surface of the double-headed screw 7 are threadedly sleeved with a slider 6, the front end of the slider 6 is fixedly installed with a second rotating block 3, the inner cavity of the second rotating block 3 is movably connected with an adjusting strip 10 through a rotating shaft, a sliding groove 15 is provided on the surface away from one end of the clamping plate 12, and the front end of the adjusting strip 10 is located in the inner cavity of the sliding groove 15.

[0020] A rubber block 13 is fixedly installed at the corresponding end of the splint 12. The rubber block 13 is triangular in shape. The corresponding end of the rubber block 13 fits with the inclined surface of the sector gear body 9. The rubber block 13 can limit the rear end of the inclined surface of the sector gear body 9 and can act as a buffer during processing.

[0021] Limiting grooves 14 are provided on the upper and lower surfaces of the inner cavity of the slide groove 15, and the front ends of the upper and lower surfaces of the adjustment strip 10 are fixedly connected to the limiting rod 11. The limiting rod 11 is located in the inner cavity of the limiting groove 14. Through the coordinated use of the limiting rod 11 and the limiting groove 14, the adjustment strip 10 can be limited to prevent the adjustment strip 10 from detaching from the splint 12 during use.

[0022] The top threaded sleeve on the outer surface of the limiting screw 17 is provided with a positioning sleeve 16, and the lower surface of the positioning sleeve 16 fits with the upper surface of the sector gear body 9. The positioning sleeve 16 can limit the top of the sector gear body 9 to prevent the sector gear body 9 from falling out during processing.

[0023] A rotating rod 1 is provided at the left end of the adjusting box 5, and the right end of the rotating rod 1 passes through the adjusting box 5 and is fixedly connected to the left end of the double-headed screw 7. The threads on the left and right ends of the outer surface of the double-headed screw 7 have opposite rotation directions. The double-headed screw 7 can be easily adjusted through the rotating rod 1, which is convenient for the staff to use.

[0024] When the utility model is in use, the sector gear body 9 is inserted into the limiting screw 17 so that it is located on the top of the placement table 8, and then the positioning sleeve 16 is screwed on so that the bottom of the positioning sleeve 16 fits with the upper surface of the sector gear body 9, and then the rotating rod 1 is rotated forward to make the double-headed screw 7 rotate forward, drive the slider 6 to move inward, drive the adjustment bar 10 to move inward, and push the clamping plate 12 to rotate inward with the first rotating block 4 as the center of the circle, so that the inner side of the rubber block 13 fits with the rear end of the inclined surface of the sector gear body 9, and the front end of the inner side of the clamping plate 12 contacts with the front end of the inclined surface of the sector gear body 9, so that the inclined surface and the top of the sector gear body 9 are limited, thereby preventing the sector gear body 9 from shaking during the processing.

[0025] To sum up: the fan gear processing fixture, through the support plate 2, the second rotating block 3, the first rotating block 4, the adjustment box 5, the slider 6, the double-headed screw 7, the placement table 8, the fan gear body 9, the adjustment bar 10, the clamping plate 12 and the rubber block 13, solves the problem that the fan gear is easy to shake during the clamping process of the non-circular fan gear with the existing fixture, making it inconvenient to perform processing operations on it.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fixture for machining a sector gear, comprising a support plate (2), characterized in that: A placing platform (8) and an adjusting box (5) are fixedly installed at the center and rear end of the upper surface of the supporting plate (2), respectively; a limiting screw (17) is fixedly installed on the upper surface of the placing platform (8); a fan-shaped gear body (9) is inserted at the top of the limiting screw (17); the left and right ends of the front surface of the adjusting box (5) are fixedly connected with a first rotating block (4); the inner cavity of the first rotating block (4) is movably connected with a clamping plate (12) through a rotating shaft; the inner cavity of the adjusting box (5) is movably connected with a double-headed screw (7) through a bearing; the left and right ends of the outer surface of the double-headed screw (7) are threadedly sleeved with a slider (6); a second rotating block (3) is fixedly installed at the front end of the slider (6); the inner cavity of the second rotating block (3) is movably connected with an adjusting strip (10) through a rotating shaft; a sliding groove (15) is provided on the surface of the clamping plate (12) away from one end; the front end of the adjusting strip (10) is located in the inner cavity of the sliding groove (15).

2. A fixture for machining sector gears according to claim 1, characterized in that: A rubber block (13) is fixedly mounted on the corresponding end of the clamping plate (12). The rubber block (13) is triangular in shape. The corresponding end of the rubber block (13) fits the inclined surface of the sector gear body (9).

3. The fixture for machining sector gears according to claim 1, characterized in that: The upper and lower surfaces of the inner cavity of the slide groove (15) are both provided with limiting grooves (14), and the front ends of the upper and lower surfaces of the adjustment bar (10) are both fixedly connected to limiting rods (11), and the limiting rods (11) are located in the inner cavity of the limiting groove (14).

4. The fixture for machining sector gears according to claim 1, characterized in that: A positioning sleeve (16) is provided on the top threaded sleeve on the outer surface of the limiting screw (17), and the lower surface of the positioning sleeve (16) is in contact with the upper surface of the sector gear body (9).

5. The fixture for machining sector gears according to claim 1, characterized in that: A rotating rod (1) is provided at the left end of the regulating box (5), and the right end of the rotating rod (1) passes through the regulating box (5) and is fixedly connected to the left end of the double-headed screw (7).

6. The fixture for machining sector gears according to claim 1, characterized in that: The threads at the left and right ends of the outer surface of the double-headed screw (7) have opposite rotation directions.

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