Fixing clamp for gear manufacturing
By designing a fixed clamp with a combination of clamping plate position adjustment and circumferential distribution of positioning blocks, the problem of insufficient compatibility of existing gear clamps is solved, enabling flexible clamping and rapid adaptation to gears of different sizes, and improving the practicality of the clamp.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-06
AI Technical Summary
Existing gear clamps are insufficient in terms of compatibility and adaptability, and cannot simultaneously accommodate gears of different sizes, thus reducing the practicality of the clamps.
A gear manufacturing fixture was designed. Through the combination of structures such as a clamping plate, slide groove, slider, cylinder, positioning plate, mounting block, clamping plate, insertion hole, insertion rod, fixing groove, and card slot, the position adjustment and replacement of the clamping plate can be realized. Combined with the setting of motor, turntable, arc groove, slide rod, guide groove and positioning block, the circumferential distribution of the positioning block can be quickly adjusted.
It enables flexible clamping of gears of different sizes, improving the practicality and adaptability of the fixture, and allowing it to quickly adapt to the processing needs of gears of different sizes.
Smart Images

Figure CN223971243U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gear manufacturing technology, specifically a fixing fixture for gear manufacturing. Background Technology
[0002] A gear is a mechanical component that transmits motion and power through continuous meshing of gears on its rim. Gears can be structurally divided into teeth, tooth spacers, end faces, normal faces, addendum circles, dedendum circles, base circles, and pitch circles. Commonly used steels for manufacturing gears include tempered steel, quenched steel, carburized and quenched steel, and nitrided steel. Gears have a wide range of applications, commonly found in automotive transmissions, factory machinery drive systems, and precision instruments such as clocks. Gear machining requires clamping and fixing the gears.
[0003] Among existing gear chucks, there are two types: compatible gear chucks, which adapt to different gear sizes by changing the distribution of the clamp circumference, and quick-change gear chucks, which adapt to different gear sizes by changing different clamps. However, they are usually set up separately and do not combine the two methods, which reduces the range of compatible gear sizes of the chuck and reduces its practicality. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a fixing fixture for gear manufacturing, which has the advantages of being able to adapt to the clamping of different gears and improving the practicality of the fixture, thus solving the problems mentioned in the background art.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, the following technical solution is provided: a gear manufacturing fixture, comprising a mounting frame, a clamping plate fixedly mounted on the front of the mounting frame, a groove formed on the surface of the clamping plate, a slider slidably mounted on the inner wall of the groove, a positioning plate fixedly mounted on the upper part of the slider, a cylinder fixedly mounted on the outer side of the mounting frame, an mounting block slidably mounted on the side of the positioning plate facing the center point of the clamping plate, a clamping plate fixedly mounted on the outer side of the mounting block, insertion holes formed on the outer surface of the positioning plate and the outer surface of the mounting block, and insertion rods mounted on the inner wall of the insertion holes.
[0008] Preferably, a retaining plate is fixedly installed at the outer end of the insertion rod, and a retaining groove is formed on the surface of the positioning plate, and a retaining groove is formed on the inner wall of the retaining groove.
[0009] Preferably, the telescopic end of the cylinder is fixedly connected to the surface of the slider, and three slides and cylinders are provided, arranged in a row with the clamping plate as the center point.
[0010] Preferably, a motor is fixedly installed on the inner side of the mounting bracket, a turntable is fixedly installed on the output end of the motor, an arc-shaped groove is opened on the outer side of the turntable, and a slide rod is slidably installed on the inner wall of the arc-shaped groove.
[0011] Preferably, the surface of the clamping disc is provided with guide grooves.
[0012] Preferably, the outer side of the slide rod is slidably connected to the inner wall of the guide groove, and a positioning block is fixedly installed at the front end of the slide rod.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, the present invention provides a fixing fixture for gear manufacturing, which has the following advantages:
[0015] 1. This gear manufacturing fixture, through the arrangement of a chuck, slide, slider, cylinder, positioning plate, mounting block, clamping plate, insertion hole, insertion rod, fixing groove, slot, and clamping plate, achieves the ability to accommodate different gears and improves the practicality of the fixture.
[0016] 2. The gear manufacturing fixture, through the setting of motor, turntable, arc groove, slide rod, guide groove and positioning block, can quickly adjust the circumferential distribution position of the positioning block in order to adapt to the placement of gears of different sizes. Attached Figure Description
[0017] Figure 1 This is a side view of the present invention.
[0018] Figure 2 This is a schematic diagram of the front structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the rear structure of the present invention;
[0020] Figure 4 This is a cross-sectional view of the positioning plate of this utility model.
[0021] In the diagram: 1. Mounting bracket; 2. Clamping plate; 3. Slide groove; 4. Slider; 5. Cylinder; 6. Positioning plate; 7. Mounting block; 8. Clamping plate; 9. Insertion hole; 10. Insert rod; 11. Fixing groove; 12. Card slot; 13. Carding plate; 14. Motor; 15. Turntable; 16. Arc groove; 17. Slide rod; 18. Guide groove; 19. Positioning block. Detailed Implementation
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. Obviously, the described embodiments are only some embodiments, not all embodiments. Based on the embodiments described, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection.
[0023] Example 1:
[0024] Please see Figure 1-4 A gear manufacturing fixture includes a mounting frame 1, a clamping plate 2 fixedly mounted on the front of the mounting frame 1, a groove 3 formed on the surface of the clamping plate 2, a slider 4 slidably mounted on the inner wall of the groove 3, a positioning plate 6 fixedly mounted on the upper part of the slider 4, a cylinder 5 fixedly mounted on the outer side of the mounting frame 1, an mounting block 7 slidably mounted on the side of the positioning plate 6 facing the center point of the clamping plate 2, a clamping plate 8 fixedly mounted on the outer side of the mounting block 7, insertion holes 9 formed on the outer surface of the positioning plate 6 and the outer surface of the mounting block 7, and insertion rods 10 mounted on the inner wall of the insertion holes 9.
[0025] Specifically, the cylinder 5 can move the slider 4 synchronously within the groove, thereby adjusting the distribution position of the clamping plate 8 in the circumferential direction. The clamping plate 8 is then mounted on the positioning plate 6 via the mounting block 7 and fixed by the insert rod 10.
[0026] Preferably, a retaining plate 13 is fixedly installed on the outer end of the insertion rod 10, a fixing groove 11 is opened on the surface of the positioning plate 6, and a retaining groove 12 is opened on the inner wall of the fixing groove 11.
[0027] Specifically, the barb at the front end of the card plate 13 is engaged in the slot 12, which can restrict the insertion rod 10. By manually pressing the card plate 13, the barb at the front end of the card plate 13 can be disengaged from the slot 12, and the insertion rod 10 can be removed.
[0028] Preferably, the telescopic end of the cylinder 5 is fixedly connected to the surface of the slider 4, and three slide grooves 3 and cylinders 5 are provided, arranged in a row with the clamping plate 2 as the center point.
[0029] Working principle: The gear is placed between the clamping plates 8, and then the cylinder 5 is activated to move the slider 4. The slider 4 moves towards the center of the clamping plate, so that the three clamping plates 8 can clamp and fix the gear. The three cylinders 5 can adjust the distribution of the clamping plates 8 to accommodate gears of different sizes. By manually pressing the locking plate 13, the locking plate 13 will disengage from the locking groove 12, and then the insertion rod 10 can be manually removed. The clamping plates 8 can be disassembled, and the mounting block 7 of the new clamping plate 8 can be installed on the positioning plate 6. Then the insertion rod 10 is installed into the corresponding insertion hole 9, and the locking plate 13 is locked into the locking groove 12 to position the insertion rod 10. This facilitates the replacement of the clamping plates 8, thereby adapting to the clamping of different gears and improving the practicality of the fixture.
[0030] Example 2:
[0031] Please see Figure 1-4A motor 14 is fixedly installed on the inner side of the mounting bracket 1. A turntable 15 is fixedly installed on the output end of the motor 14. An arc-shaped groove 16 is opened on the outer side of the turntable 15. A slide rod 17 is slidably installed on the inner wall of the arc-shaped groove 16.
[0032] Specifically, the motor 14 can drive the turntable 15 to rotate, and the arc groove 16 on the turntable 15 will also rotate. The rotation of the arc groove 16 will also cause the slide rod 17 to move. The slide rod 17 moves along the movement trajectory of the arc groove 16 and can move closer to the center and away from the center.
[0033] Preferably, the surface of the clamping plate 2 is provided with a guide groove 18.
[0034] Preferably, the outer side of the slide rod 17 is slidably connected to the inner wall of the guide groove 18, and a positioning block 19 is fixedly installed at the front end of the slide rod 17.
[0035] Specifically, the slide rod 17 is slidably connected to the inner wall of the guide groove 18, which can restrict the movement of the slide rod 17, allowing the slide rod 17 to move by expanding or converging around the center.
[0036] Working principle: The motor 14 can rotate the turntable 15, and then the slide rod 17 will move along the arc groove 16. When the motor 14 rotates clockwise, the slide rod 17 will move closer to the center. At the same time, when the motor 14 rotates counterclockwise, the slide rod 17 will spread away from the center. This allows for quick adjustment of the circumferential distribution of the positioning block 19 to accommodate the placement of gears of different sizes. When machining gears, the gears are placed on the positioning block 19 for easy clamping.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fixing jig for gear manufacturing comprising a mounting frame (1), characterized in that: The front of mounting frame (1) is fixedly installed with chuck (2), the surface of chuck (2) is provided with sliding groove (3), the inner wall of sliding groove (3) is slidably installed with sliding block (4), the upper portion of sliding block (4) is fixedly installed with positioning plate (6), the outer side of mounting frame (1) is fixedly installed with air cylinder (5), the side of positioning plate (6) towards the center point of chuck (2) is slidably installed with mounting block (7), the outer side of mounting block (7) is fixedly installed with clamping plate (8), the outer surface of positioning plate (6) and the outer surface of mounting block (7) are provided with inserting hole (9), the inner wall of inserting hole (9) is installed with inserting rod (10).
2. The fixing jig for gear manufacturing according to claim 1, characterized by: The outer end of inserting rod (10) is fixedly installed with clamping plate (13), the surface of positioning plate (6) is provided with fixed groove (11), the inner wall of fixed groove (11) is provided with clamping groove (12).
3. The fixing jig for gear manufacturing according to claim 1, characterized by: The telescopic end of air cylinder (5) is fixedly connected with the surface of sliding block (4), the sliding groove (3) and air cylinder (5) are provided with three, and are arranged in a row with chuck (2) as the center point.
4. The fixing jig for gear manufacturing according to claim 1, characterized by: The inner side of mounting frame (1) is fixedly installed with motor (14), the output end of motor (14) is fixedly installed with rotating disc (15), the outer side of rotating disc (15) is provided with arc-shaped groove (16), the inner wall of arc-shaped groove (16) is slidably installed with sliding rod (17).
5. The fixture according to claim 1, wherein: The surface of chuck (2) is provided with guide groove (18).
6. The fixture according to claim 4, wherein: The outer side of sliding rod (17) is slidably connected with the inner wall of guide groove (18), the front end of sliding rod (17) is fixedly installed with positioning block (19).