Universal gear shaping clamp

By designing a universal tooth fixture, the problems of frequent replacement and high cost during processing of different gear types in the prior art are solved, and the effects of high-precision fixation and cost reduction are achieved.

CN223198188UActive Publication Date: 2025-08-08SICHUAN SHENLING PRECISION TECH CO LTD
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Patent Information

Application Number
CN202422063760.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-08-08
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

Existing gear fixtures need to be replaced frequently when facing different gear types, resulting in high production costs and difficult to guarantee accuracy requirements.

Method used

A universal tooth clamp is designed to enable adjustable fixation of gears of different inner diameters through a combination of adjustment mechanism and fixing mechanism, allowing individual replacement of damaged parts to reduce costs.

Benefits of technology

High-precision fixation of different gear types is achieved, reducing production costs and improving the versatility and efficiency of fixtures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a universal gear shaping clamp which comprises a base, the upper end of the base is fixedly connected with a connecting plate, the upper end of the base is located in the middle of the connecting plate, the upper end of the connecting plate is fixedly connected with a mounting base, a plurality of T-shaped sliding grooves are formed in the outer side end of the mounting base at equal intervals, and the upper ends of the sliding grooves penetrate through the mounting base upwards. A lead screw is rotatably connected to the middle of the upper end of the mounting base, a hand wheel is fixedly connected to the upper end of the lead screw, an adjusting mechanism is in threaded connection to the middle of the lead screw, the lead screw penetrates through the middle of the adjusting mechanism, and a plurality of fixing mechanisms are fixedly connected to the outer side end of the adjusting mechanism at equal intervals. The lower end of the fixing mechanism is located in the sliding groove and slidably connected with the side wall of the sliding groove. The distance between the fixing mechanism and the lead screw is changed through movement of the adjusting block on the lead screw, so that gears with different inner diameters are fixed, meanwhile, the fixing teeth are in sliding connection with the guide rail through the second sliding block, the fixing teeth with different models can be replaced conveniently, and the fixing effect on the gears is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear processing, in particular to a universal gear shaping fixture. Background Art

[0002] Gear shaping fixtures are mainly used for machining the internal gears of gears, as well as machining the external gears of some gears with structural interference. They prevent gear movement by meshing with the external or internal teeth of the gear.

[0003] There are many types of gears, and different types of gears have different inner and outer diameters. The commonly used gear shaping fixture has a simple structure. When processing the external teeth of gears of different types, the fixture needs to be replaced. However, the gear shaping requires high precision and the production cycle is long. In addition, if the structure of the gear shaping fixture is damaged, it can only be replaced as a whole, which increases the production cost during gear processing. Utility Model Content

[0004] The purpose of the utility model is to provide a universal gear shaping fixture, which can mesh with the internal teeth of gears with different inner diameters to fix the gears, and can replace the structure in the fixture separately to ensure the meshing effect with the internal teeth of the gears and reduce the cost of use.

[0005] To achieve the above object, a universal gear-splitting fixture is provided, comprising a base, wherein the upper end of the base is fixedly connected to a connecting plate, and the upper end of the base is located in the middle of the connecting plate, the upper end of the connecting plate is fixedly connected to a mounting seat, the outer end of the mounting seat is equidistantly provided with a plurality of T-shaped slots, and the upper end of the slots upwardly penetrates the mounting seat, the middle part of the upper end of the mounting seat is rotatably connected to a screw, the upper end of the screw is fixedly connected to a handwheel, the middle part of the screw is threadedly connected to an adjustment mechanism, and the screw penetrates the middle part of the adjustment mechanism, the outer end of the adjustment mechanism is equidistantly fixed to a plurality of fixing mechanisms, and the lower end of the fixing mechanism is located in the slot and slidably connected to the side wall of the slot. The fixture can mesh with the internal teeth of gears with different inner diameters to fix the gears, and the structure in the fixture can be replaced separately to ensure the meshing effect with the internal teeth of the gears and reduce the cost of use.

[0006] According to a universal gear shaping clamp, the adjustment mechanism consists of a transmission rod and an adjustment block. The screw rod passes through the middle of the adjustment block and is threadedly connected to the adjustment block. The outer end of the adjustment block is fixedly connected to a plurality of U-shaped second rotating frames at equal distances. The two ends of the transmission rod are respectively fixedly connected to rotating blocks. The rotating block at one end of the transmission rod is located in the second rotating frame and is rotationally connected to the second rotating frame. The rotating block at the other end of the transmission rod is rotationally connected to the middle of one end of the fixing mechanism, and the rotating block at one end of the transmission rod is away from the second rotating frame. The distance between the fixing mechanisms is adjusted to clamp the inner walls of gears with different inner diameters.

[0007] According to a universal spline clamp, the fixing mechanism comprises a guide rail, a fixed tooth, and a second slider; the lower end of the guide rail is slidably connected to the upper end of the mounting seat; the lower end of the guide rail is fixedly connected to a T-shaped first slider, and the first slider is located in a slide groove and slidably connected to the slide groove; the upper end of the guide rail is provided with a second slider, and the lower end of the second slider extends into the guide rail and is slidably connected to the inner wall of the guide rail; the end of the second slider away from the screw rod passes through the guide rail; the fixed tooth is provided at the middle of one end of the guide rail, and one end of the second slider is fixedly connected to the fixed tooth; the middle of the end of the guide rail facing the screw rod is fixedly connected to a U-shaped first rotating frame, and the rotating block at one end of the transmission rod is located in the first rotating frame and rotatably connected to the first rotating frame. The clamp can be easily adjusted according to the size of the internal teeth of the gear to ensure the meshing of the clamp and the internal teeth of the gear, and the part of the clamp that contacts the gear can be replaced separately if it is damaged, thereby reducing the cost of use.

[0008] According to the universal gear shaping fixture, the outer end of the adjustment block is provided with the same number of surfaces as the fixing mechanism, and the second rotating frame is fixedly connected to each surface of the adjustment block, which facilitates the installation of the second rotating frame.

[0009] According to the universal gear shaping fixture, two second bolts are provided at the side ends of the guide rail, and the second bolts sequentially penetrate the guide rail and the second slider, and the second bolts are threadedly connected to the second slider, so as to fix the fixed teeth and prevent the fixed teeth from moving.

[0010] According to the universal gear shaping fixture, a plurality of first bolts are equidistantly provided at the lower end of the connecting plate. The first bolts extend upward through the connecting plate and into the mounting seat. The first bolts are threadedly connected to the mounting seat, and the mounting seat is fixedly connected to the connecting plate via the first bolts. This facilitates assembly and disassembly of the mounting seat, allowing replacement of mounting seats with different numbers of fixed teeth according to the number of internal teeth of the gear.

[0011] Compared with the prior art, the beneficial effect of the present invention is that the distance between the fixing mechanism and the screw is changed by moving the adjustment block on the screw, thereby fixing gears with different inner diameters. At the same time, the fixed teeth are slidably connected to the guide rail through the second slider, which facilitates the replacement of fixed teeth of different models and ensures the fixing effect of the gears.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a three-dimensional diagram of a universal gear shaping fixture of the present utility model;

[0015] Figure 2 This is a three-dimensional diagram of the base of a universal gear shaping fixture of the present invention;

[0016] Figure 3 This is a three-dimensional diagram of a fixing mechanism of a universal gear shaping fixture of the present invention;

[0017] Figure 4 This is a three-dimensional diagram of the adjustment mechanism of a universal gear shaping fixture of the present invention.

[0018] In the figure: 1. fixing mechanism; 2. adjusting mechanism; 3. mounting seat; 4. slide groove; 5. base; 6. screw rod; 7. handwheel; 8. connecting plate; 9. first bolt; 10. guide rail; 11. first rotating frame; 12. first slider; 13. second bolt; 14. fixing tooth; 15. second slider; 16. rotating block; 17. transmission rod; 18. second rotating frame; 19. adjusting block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0020] See also Figure 1-4The utility model provides a technical solution: a universal gear shaping fixture, including a base 5, a connecting plate 8 is fixedly connected to the upper end of the base 5, and the upper end of the base 5 is located in the middle of the connecting plate 8, the upper end of the connecting plate 8 is fixedly connected to the mounting seat 3, and a plurality of first bolts 9 are equidistantly provided at the lower end of the connecting plate 8, and the first bolts 9 pass through the connecting plate 8 upward and extend into the mounting seat 3, the first bolts 9 are threadedly connected to the mounting seat 3, and the mounting seat 3 is fixedly connected to the connecting plate 8 by the first bolts 9, which is convenient for disassembly and assembly of the mounting seat 3, so as to replace the mounting seat 3 with different numbers of fixed teeth 14 according to the number of internal teeth of the gear. A number of T-shaped slide grooves 4 are equidistantly provided on the outer end of the mounting seat 3, and the upper ends of the slide grooves 4 penetrate the mounting seat 3 upward. The middle part of the upper end of the mounting seat 3 is rotatably connected to a screw rod 6, and the upper end of the screw rod 6 is fixedly connected to a handwheel 7. The middle part of the screw rod 6 is threadedly connected to the adjustment mechanism 2, and the screw rod 6 penetrates the middle part of the adjustment mechanism 2. The adjustment mechanism 2 consists of a transmission rod 17 and an adjustment block 19. The screw rod 6 penetrates the middle of the adjustment block 19 and is threadedly connected to the adjustment block 19. The outer end of the adjustment block 19 is provided with the same number of surfaces as the fixing mechanism 1, and the second rotating frame 18 is fixedly connected to each surface of the adjustment block 19, which is convenient for installing the second rotating frame 18. The outer end of the adjustment block 19 is equidistantly fixedly connected to a plurality of U-shaped second rotating frames 18, and the two ends of the transmission rod 17 are respectively fixedly connected to the rotating blocks 16. The rotating block 16 at one end of the transmission rod 17 is located in the second rotating frame 18, and the rotating block 16 at one end of the transmission rod 17 is rotatably connected to the second rotating frame 18. The rotating block 16 at the other end of the transmission rod 17 is rotatably connected to the middle part of one end of the fixing mechanism 1, and the rotating block 16 at one end of the transmission rod 17 is away from the second rotating frame 18, which is used to adjust the distance between the fixing mechanisms 1, thereby clamping the inner walls of gears with different inner diameters. The outer end of the adjusting mechanism 2 is equidistantly fixedly connected with several fixing mechanisms 1, and the lower end of the fixing mechanism 1 is located in the slide groove 4 and is slidably connected to the side wall of the slide groove 4. The fixing mechanism 1 is composed of a guide rail 10, a fixing tooth 14, and a second slider 15. The lower end of the guide rail 10 is slidably connected to the upper end of the mounting seat 3. The lower end of the guide rail 10 is fixedly connected with a T-shaped first slider 12, and the first slider 12 is located in the slide groove 4 and is slidably connected to the slide groove 4. The upper end of the guide rail 10 is provided with a second slider 15, and the lower end of the second slider 15 extends into the guide rail 10 and is slidably connected to the inner wall of the guide rail 10. The end of the second slider 15 away from the screw rod 6 passes through the guide rail 10, and two second bolts 13 are provided at the side end of the guide rail 10, and the second bolts 13 sequentially pass through the guide rail 10 and the second slider 15. The second bolts 13 are threadedly connected to the second slider 15 for fixing the fixing tooth 14 to prevent the fixing tooth 14 from moving.The fixed tooth 14 is provided at the middle part of one end of the guide rail 10, and one end of the second slider 15 is fixedly connected to the fixed tooth 14. The middle part of the end of the guide rail 10 facing the screw rod 6 is fixedly connected to a U-shaped first rotating frame 11, and the rotating block 16 at one end of the transmission rod 17 is located in the first rotating frame 11 and is rotatably connected to the first rotating frame 11, which is convenient for adjusting the clamp according to the size of the inner teeth of the gear to ensure the engagement of the clamp with the inner teeth of the gear, and the part of the clamp in contact with the gear can be replaced separately after being damaged, thereby reducing the cost of use.

[0021] Working principle: When in use, replace the mounting seat 3 with the fixing mechanism 1 having a common divisor number of the internal teeth of the gear to be processed according to the number of internal teeth of the gear to be processed, then unscrew the second bolt 13, insert the fixing tooth 14 that can engage with the internal teeth of the gear to be processed into the guide rail 10 and fix it with the second bolt 13, then place the gear to be processed on the mounting seat 3 and place the fixing mechanism 1 in the middle of the gear, then rotate the screw rod 6 through the handwheel 7, so that the adjustment block 19 adjusts the distance between the fixing mechanism 1 and the screw rod 6 through the transmission rod 17, and adjusts the gear until the fixing tooth 14 engages with the internal teeth of the gear.

[0022] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A universal gear shaping fixture, comprising a base (5), characterized in that: The upper end of the base (5) is fixedly connected to a connecting plate (8), and the upper end of the base (5) is located in the middle of the connecting plate (8). The upper end of the connecting plate (8) is fixedly connected to a mounting seat (3). The outer end of the mounting seat (3) is equidistantly provided with a plurality of T-shaped slide grooves (4), and the upper end of the slide groove (4) upwardly penetrates the mounting seat (3). The middle part of the upper end of the mounting seat (3) is rotatably connected to a screw rod (6), and the upper end of the screw rod (6) is fixedly connected to a hand wheel (7). The middle part of the screw rod (6) is threadedly connected to an adjustment mechanism (2), and the screw rod (6) penetrates the middle part of the adjustment mechanism (2). The outer end of the adjustment mechanism (2) is equidistantly fixedly connected to a plurality of fixing mechanisms (1), and the lower end of the fixing mechanism (1) is located in the slide groove (4) and is slidably connected to the side wall of the slide groove (4).

2. A universal gear shaping fixture according to claim 1, characterized in that: The adjusting mechanism (2) is composed of a transmission rod (17) and an adjusting block (19). The screw rod (6) passes through the middle of the adjusting block (19) and is threadedly connected to the adjusting block (19). The outer end of the adjusting block (19) is fixedly connected to a plurality of U-shaped second rotating frames (18) at equal intervals. The two ends of the transmission rod (17) are respectively fixedly connected to rotating blocks (16). The rotating block (16) at one end of the transmission rod (17) is located in the second rotating frame (18), and the rotating block (16) at one end of the transmission rod (17) is rotatably connected to the second rotating frame (18). The rotating block (16) at the other end of the transmission rod (17) is rotatably connected to the middle of one end of the fixing mechanism (1), and the rotating block (16) at one end of the transmission rod (17) is away from the second rotating frame (18).

3. A universal gear shaping fixture according to claim 2, characterized in that: The fixing mechanism (1) is composed of a guide rail (10), a fixing tooth (14), and a second slider (15). The lower end of the guide rail (10) is slidably connected to the upper end of the mounting seat (3). The lower end of the guide rail (10) is fixedly connected to a T-shaped first slider (12), and the first slider (12) is located in the slide groove (4) and is slidably connected to the slide groove (4). The upper end of the guide rail (10) is provided with a second slider (15), and the lower end of the second slider (15) extends into the guide rail (10) and is fixed to the inner portion of the guide rail (10). The guide rail (10) is connected to the wall in a sliding manner, the end of the second slider (15) away from the screw rod (6) passes through the guide rail (10), the fixed tooth (14) is provided at the middle of one end of the guide rail (10), and one end of the second slider (15) is fixedly connected to the fixed tooth (14), the middle of one end of the guide rail (10) facing the screw rod (6) is fixedly connected to a U-shaped first rotating frame (11), and the rotating block (16) at one end of the transmission rod (17) is located in the first rotating frame (11) and is rotatably connected to the first rotating frame (11).

4. A universal gear shaping fixture according to claim 2, characterized in that: The outer end of the regulating block (19) is provided with the same number of surfaces as the fixing mechanism (1), and the second rotating frame (18) is fixedly connected to each surface of the regulating block (19).

5. A universal gear shaping fixture according to claim 3, characterized in that: Two second bolts (13) are provided at the side ends of the guide rail (10), and the second bolts (13) pass through the guide rail (10) and the second slider (15) in sequence, and the second bolts (13) are threadedly connected to the second slider (15).

6. A universal gear shaping fixture according to claim 1, characterized in that: A plurality of first bolts (9) are equidistantly provided at the lower end of the connecting plate (8), and the first bolts (9) pass through the connecting plate (8) upward and extend into the mounting seat (3), the first bolts (9) are threadedly connected to the mounting seat (3), and the mounting seat (3) is fixedly connected to the connecting plate (8) via the first bolts (9).