Chain wheel machining clamp

By designing a sprocket machining fixture with multiple sets of support rings and electric push rods, the problem of shading the central or edge areas of the disc in the prior art is solved, and a more efficient and precise sprocket machining process is achieved, and the applicability and maintenance are improved.

CN222626988UActive Publication Date: 2025-03-18CHANGZHOU SCS SPROCKET TRANSMISSION CO LTD
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Patent Information

Application Number
CN202421250147.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-18
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing sprocket machining fixtures block the central or edge areas of the disc during the processing process, increasing the difficulty of processing and affecting the accuracy.

Method used

A sprocket processing clamp is designed. By installing multiple sets of first support rings and second support rings on the processing table, the second support ring is driven to be brought closer by electric push rods, thereby achieving clamping of the inner side of the tooth teeth of the sprocket blank to the central hole area, reducing the obstruction of the central area and edge of the disc.

Benefits of technology

The fixture can observe the disc state more clearly, improve the accuracy of operations such as opening teeth and drilling center holes, reduce the frequency of replacing the fixture and adjusting the position of the workpiece, improve work efficiency, and reduce maintenance costs by adjusting the position of the support ring to adapt to sprocket blanks of different sizes and shapes.

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Abstract

The utility model belongs to the technical field of chain wheel machining clamps, and particularly relates to a chain wheel machining clamp which comprises a machining table, and a plurality of sets of first supporting rings are installed on the machining table in a surrounding mode. The top end of the outer side of the first supporting ring is fixedly connected with a sliding rod, and the other end of the sliding rod slidably penetrates through the machining table and is connected with an electric push rod. The bottom end of the outer side of the first supporting ring is rotationally connected with a screw rod; a chain wheel blank is placed on the first supporting ring, the output end of the electric push rod drives the second supporting ring to be close to the first supporting ring, so that the effect of clamping the area from the inner side of teeth of the chain wheel blank to the center hole is achieved, and the purposes of reducing shielding of the center area and the edge of a disc and improving the machining precision are achieved. By means of the clamping device, an operator can observe the state of the disc more clearly in the machining process, so that tooth punching, center hole drilling and other operations are more accurately carried out, the operator can carry out tooth punching, center hole drilling and other operations on the disc in the clamping state conveniently, and frequent replacement of a clamp or adjustment of the position of a workpiece is not needed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sprocket processing fixtures, in particular to a sprocket processing fixture. Background Art

[0002] A sprocket, commonly known as a toothed wheel, is a wheel with cog-type sprocket teeth. It can mainly mesh with blocks with accurate pitch on link chains or cables. It is an important mechanical transmission component and is commonly used in machinery manufacturing, agriculture, automobiles and other fields.

[0003] Clamping is an indispensable step in the sprocket processing process, which is crucial to ensure processing quality and operational safety. When clamping the sprocket blank, select the appropriate size of the clamp wrench or clamp plate according to the size to clamp the round plate firmly to reduce movement or vibration during the processing.

[0004] Before processing, the sprocket blank is set up as a disc as a whole. During processing, operations such as cutting teeth and drilling center holes are required. However, most fixtures will block the center area or edge area of ​​the disc, blocking the key processing parts of the workpiece, increasing the processing difficulty and affecting the processing accuracy. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a sprocket processing fixture.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a sprocket processing fixture described in the utility model comprises a processing table, on which a plurality of first support rings are installed around; a sliding rod is fixedly connected to the top end of the outer side of the first support ring, and the other end of the sliding rod slides through the interior of the processing table and is connected to an electric push rod; a screw rod is rotatably connected to the bottom end of the outer side of the first support ring, and the other end of the screw rod threads through the interior of the processing table; a telescopic rod is connected to the output end of the electric push rod, and the other end of the telescopic rod is connected to the sliding rod; one end of the telescopic rod is fixedly connected to a second support ring through a connecting rod, and the first support ring is positioned opposite to the second support ring; a plurality of support frames are installed around the bottom of the processing table, and one end of the electric push rod is slidably connected to the inside of the support frame.

[0007] Preferably, a mounting frame is fixedly connected to the connecting rod, and a sleeve is slidably sleeved on the outer wall of the mounting frame; a water spray frame is installed on one side of the sleeve, and a first water pipe is provided at one end of the water spray frame; a screw is passed through one end of the sleeve, and one end of the screw abuts against the outer wall of the mounting frame.

[0008] Preferably, a slide groove is correspondingly formed at one end inside the first support ring and the second support ring, and a plurality of groups of springs are arranged inside the slide groove; a buffer plate is elastically slidably connected to the inside of the slide groove via the spring.

[0009] Preferably, a retaining ring is installed at the edge of the processing table; a drainage groove is opened on one side of the upper edge of the processing table, and a second water pipe is installed on one side of the drainage groove.

[0010] Preferably, a rotating plate is fixedly connected to the bottom of the processing table, and the outer wall of the rotating plate is rotatably connected to a support seat; a servo motor is installed at the inner center of the support seat, and the output end of the servo motor is connected to the rotating plate.

[0011] Preferably, a filter plate is installed inside the drainage trough, and the filter plate has the same inner diameter as the drainage trough.

[0012] Preferably, a rubber pad is provided at the bottom of the support seat, and the rubber pad has the same shape as the bottom of the support seat.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a sprocket processing fixture, which places the sprocket blank on the first support ring, and drives the second support ring to move closer to the first support ring through the output end of the electric push rod, so as to achieve the effect of clamping the area from the inner side of the tooth teeth of the sprocket blank to the center hole, so as to reduce the obstruction of the central area and edge of the disc, so that the operator can observe the state of the disc more clearly during the processing, so as to more accurately perform operations such as tooth cutting and center hole drilling, and it is convenient for the operator to perform operations such as tooth cutting and center hole drilling on the disc in the clamped state, without frequently replacing the fixture or adjusting the position of the workpiece, thereby improving work efficiency. At the same time, by rotating the screw rod forward and backward, under the restriction of the sliding rod, the position of each group of first support rings can be adjusted to adapt to sprocket blanks of different sizes and shapes, thereby improving the applicability of the fixture, and when a group of support rings is damaged, it can be replaced separately, thereby reducing maintenance costs.

[0015] 2. The utility model provides a sprocket processing fixture, which can cool or clean the sprocket during processing through a water spray rack to keep the surface of the workpiece clean, and by loosening the screws, the sleeve can be quickly slid on the mounting frame to achieve the effect of adjusting the water spray position of the water spray rack, so that water can be accurately sprayed on specific areas of the sprocket blank, such as key areas such as teeth and center holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2It is a schematic diagram of the connection between the first support ring and the second support ring in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the processing table in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the support seat in the utility model.

[0021] Legend:

[0022] 1. Processing table; 2. First support ring; 3. Slide rod; 4. Electric push rod; 5. Screw rod; 6. Telescopic rod; 7. Connecting rod; 8. Second support ring; 9. Support frame; 10. Mounting frame; 11. Sleeve; 12. Water spray frame; 13. First water pipe; 14. Slide groove; 15. Spring; 16. Buffer plate; 17. Retaining ring; 18. Drain groove; 19. Second water pipe; 20. Rotating plate; 21. Support seat; 22. Servo motor; 23. Filter plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 4 The utility model provides a sprocket processing fixture, including a processing table 1, on which a plurality of first support rings 2 are installed around the processing table 1; a sliding rod 3 is fixedly connected to the top end of the outer side of the first support ring 2, and the other end of the sliding rod 3 slides through the processing table 1 and is connected to an electric push rod 4; a screw rod 5 is rotatably connected to the bottom end of the outer side of the first support ring 2, and the other end of the screw rod 5 threadedly penetrates the processing table 1; a telescopic rod 6 is connected to the output end of the electric push rod 4, and the other end of the telescopic rod 6 is connected to the sliding rod 3; one end of the telescopic rod 6 is fixedly connected to a second support ring 8 through a connecting rod 7, and the first support ring 2 and the second support ring 8 are positioned oppositely; a plurality of support frames 9 are installed around the bottom of the processing table 1, and one end of the electric push rod 4 is slidably connected to the inside of the support frame 9.

[0026] During operation, the sprocket blank is placed on the first support ring 2, and the second support ring 8 is driven to move closer to the first support ring 2 through the output end of the electric push rod 4, so as to achieve the effect of clamping the area from the inner side of the teeth of the sprocket blank to the center hole, so as to reduce the obstruction of the central area and edge of the disc, so that the operator can observe the state of the disc more clearly during the processing, so as to more accurately perform operations such as cutting teeth and drilling center holes, and it is convenient for the operator to perform operations such as cutting teeth and drilling center holes on the disc in the clamped state, without the need to frequently replace the fixture or adjust The workpiece position improves the work efficiency. At the same time, by rotating the screw rod 5 forwards and backwards, under the restriction of the slide rod 3, the position of each group of first support rings 2 can be adjusted to adapt to sprocket blanks of different sizes and shapes, thereby improving the applicability of the present clamp. When a group of support rings is damaged, they can be replaced individually, thereby reducing the maintenance cost. At the same time, the support frame 9 can support one end of the electric push rod 4, reduce the bearing force of the connection between the slide rod 3 and the electric push rod 4, reduce the occurrence of breakage at the connection, and thus improve the strength of the present clamp.

[0027] See also Figure 1-Figure 2 A mounting frame 10 is fixedly connected to the connecting rod 7, and a sleeve 11 is slidably sleeved on the outer wall of the mounting frame 10; a water spray frame 12 is installed on one side of the sleeve 11, and a first water pipe 13 is provided at one end of the water spray frame 12; a screw is penetrated at one end of the sleeve 11, and one end of the screw abuts against the outer wall of the mounting frame 10; when working, the first water pipe 13 is connected to an external water pump, and water can be continuously supplied to the water spray frame 12. Through the water spray frame 12, the sprocket can be cooled or cleaned during processing to keep the surface of the workpiece clean, and by loosening the screws, the sleeve 11 can be quickly slid on the mounting frame 10 to achieve the effect of adjusting the water spraying position of the water spray frame 12, so that water can be accurately sprayed on specific areas of the sprocket blank, such as key parts such as teeth and center holes.

[0028] See also Figure 1-Figure 2 A slide groove 14 is correspondingly provided at one end inside the first support ring 2 and the second support ring 8, and a plurality of groups of springs 15 are provided inside the slide groove 14; a buffer plate 16 is elastically slidably connected inside the slide groove 14 through the spring 15; during operation, the buffer plate 16 can elastically slide inside the slide groove 14 through the spring 15, which can absorb and alleviate the impact force or vibration generated during processing, reduce errors caused by vibration, protect the sprocket and processing equipment from damage, and improve processing accuracy and stability.

[0029] See also Figure 1 , Figure 3A retaining ring 17 is installed at the edge of the processing table 1; a drainage groove 18 is opened on one side of the upper edge of the processing table 1, and a second water pipe 19 is installed on one side of the drainage groove 18; during operation, the retaining ring 17 can block the water falling on the surface of the processing table 1, reduce the water flowing out of the surface of the processing table 1, reduce the pollution and fall safety hazards caused by falling to the ground, and through the drainage groove 18 and the second water pipe 19, the water stored on the processing table 1 can be discharged to a designated processing container, so as to facilitate subsequent centralized treatment and water recycling secondary utilization.

[0030] See also Figure 1 , Figure 4 A rotating plate 20 is fixedly connected to the bottom of the processing table 1, and the outer wall of the rotating plate 20 is rotatably connected to a support seat 21; a servo motor 22 is installed at the center of the support seat 21, and the output end of the servo motor 22 is connected to the rotating plate 20; when working, the servo motor 22 can drive the rotating plate 20 to rotate, and then drive the processing table 1 to rotate as a whole, so that the sprocket can be rotated and adjusted during processing, which provides convenience for processing.

[0031] See also Figure 1 , Figure 3 A filter plate 23 is installed inside the drainage groove 18, and the filter plate 23 is consistent with the inner diameter of the drainage groove 18; when working, the filter plate 23 can intercept the debris generated during processing to reduce the blockage of the second water pipe 19.

[0032] See also Figure 1 A rubber pad is provided at the bottom of the support seat 21, and the rubber pad has the same shape as the bottom of the support seat 21; during operation, the rubber pad can increase the friction force at the bottom of the support seat 21 to improve the clamping stability of the clamp.

[0033] Working principle: by placing the sprocket blank onto the first support ring 2, the output end of the electric push rod 4 drives the second support ring 8 to move closer to the first support ring 2, so as to achieve the effect of clamping the area from the inner side of the teeth of the sprocket blank to the center hole, so as to reduce the obstruction of the center area and edge of the disc, so that the operator can observe the state of the disc more clearly during the processing, so as to more accurately perform operations such as cutting teeth and drilling center holes, and it is convenient for the operator to cut teeth and drill center holes on the disc in the clamped state, without frequently changing the fixture or adjusting the position of the workpiece, thereby improving the work efficiency. At the same time, by rotating the screw rod 5 forwards and backwards, the slide rod 3 Under the restriction of , the position of each group of first support rings 2 can be adjusted to adapt to sprocket blanks of different sizes and shapes, thereby improving the applicability of the present fixture, and when a group of support rings is damaged, it can be replaced separately, thereby reducing maintenance costs. At the same time, the support frame 9 can support one end of the electric push rod 4, thereby reducing the bearing force at the connection between the slide rod 3 and the electric push rod 4, and reducing the occurrence of fracture at the connection, thereby improving the strength of the present fixture; the first water pipe 13 is connected to an external water pump, and can continuously supply water to the water spray frame 12. Through the water spray frame 12, the sprocket can be cooled or cleaned during processing to keep the surface of the workpiece clean. , and by loosening the screws, the sleeve 11 can be quickly slid on the mounting frame 10 to adjust the water spraying position of the water spraying frame 12, so that water can be accurately sprayed on specific areas of the sprocket blank, such as key parts such as teeth and center holes; the buffer plate 16 can slide elastically inside the slide groove 14 through the spring 15, which can absorb and alleviate the impact force or vibration generated during processing, reduce the error caused by vibration, protect the sprocket and processing equipment from damage, and improve the processing accuracy and stability; the retaining ring 17 can block the water falling on the surface of the processing table 1, reduce the water flowing out of the surface of the processing table 1, and reduce the drop of the water. The pollution and falling safety hazards caused by the surface can be avoided. The water stored on the processing table 1 can be discharged into the designated processing container through the drainage groove 18 and the second water pipe 19, so as to facilitate the subsequent centralized treatment and water recycling secondary utilization. The servo motor 22 can drive the rotating plate 20 to rotate, and then drive the processing table 1 to rotate as a whole, so that the sprocket can be rotated and adjusted during processing, which provides convenience for processing. The filter plate 23 can intercept the debris generated during processing to reduce the blockage of the second water pipe 19. The rubber pad can increase the friction at the bottom of the support seat 21 to improve the stability of the clamping of the clamp.

[0034] 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, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A sprocket processing fixture, comprising a processing table (1), characterized in that: A plurality of first support rings (2) are mounted around the processing table (1); a sliding rod (3) is fixedly connected to the top outer side of the first support ring (2), and the other end of the sliding rod (3) slides through the processing table (1) and is connected to an electric push rod (4); a screw rod (5) is rotatably connected to the bottom outer side of the first support ring (2), and the other end of the screw rod (5) is threadedly inserted into the processing table (1); a telescopic rod (6) is connected to the output end of the electric push rod (4), and the other end of the telescopic rod (6) is connected to the sliding rod (3); one end of the telescopic rod (6) is fixedly connected to a second support ring (8) through a connecting rod (7), and the first support ring (2) and the second support ring (8) are positioned opposite to each other; a plurality of support frames (9) are mounted around the bottom of the processing table (1), and one end of the electric push rod (4) is slidably connected to the inside of the support frame (9).

2. A sprocket processing fixture as claimed in claim 1, characterized in that: A mounting frame (10) is fixedly connected to the connecting rod (7), and a sleeve (11) is slidably sleeved on the outer wall of the mounting frame (10); a water spray frame (12) is mounted on one side of the sleeve (11), and a first water pipe (13) is provided at one end of the water spray frame (12); a screw is passed through one end of the sleeve (11), and one end of the screw abuts against the outer wall of the mounting frame (10).

3. A sprocket processing fixture as claimed in claim 1, characterized in that: A sliding groove (14) is correspondingly provided at one end of the first support ring (2) and the second support ring (8), and a plurality of groups of springs (15) are provided inside the sliding groove (14); a buffer plate (16) is elastically slidably connected inside the sliding groove (14) via the spring (15).

4. A sprocket processing fixture as claimed in claim 1, characterized in that: A retaining ring (17) is installed at the edge of the processing table (1); a drainage groove (18) is opened on one side of the upper edge of the processing table (1), and a second water pipe (19) is installed on one side of the drainage groove (18).

5. A sprocket processing fixture as claimed in claim 1, characterized in that: A rotating plate (20) is fixedly connected to the bottom of the processing table (1), and the outer wall of the rotating plate (20) is rotatably connected to a support seat (21); a servo motor (22) is installed at the center of the support seat (21), and the output end of the servo motor (22) is connected to the rotating plate (20).

6. A sprocket processing fixture as claimed in claim 4, characterized in that: A filter plate (23) is installed inside the drainage groove (18), and the filter plate (23) has the same inner diameter as the drainage groove (18).

7. A sprocket processing fixture as claimed in claim 5, characterized in that: A rubber pad is provided at the bottom of the support seat (21), and the rubber pad has the same shape as the bottom of the support seat (21).