Anti-backlash gear resetting tool

Abstract

The invention provides an anti-backlash gear reset tool, and relates to the technical field of anti-backlash gear reset tools, and the anti-backlash gear reset tool comprises two U-shaped clamps. The two U-shaped clamps are hinged to each other, one ends of the two U-shaped clamps are fixedly connected with two handles, an angle fixing part is arranged between the two handles, the two sides of the two U-shaped clamps are in threaded connection with adjusting fasteners respectively, and the lengths of the two side walls of the two U-shaped clamps are different. And the heights of the two groups of adjusting fasteners are different. The anti-backlash gear resetting device is simple in structure, convenient to operate and capable of quickly resetting the anti-backlash gear. And through the arrangement of the adjusting fasteners, the tool can clamp and limit gears of various specifications, and therefore the application range of the gear clamping and limiting tool is widened. And through the arrangement of the angle fixing piece, the anti-backlash gear can be effectively limited and fixed after being reset, locking of a positioning hole of the anti-backlash gear is facilitated, and deviation is prevented.

Description

Technical Field

[0001] This application relates to the field of backlash-eliminating gear reset fixtures, and more specifically, to a backlash-eliminating gear reset fixture. Background Technology

[0002] In industrial manufacturing, gear transmission is a common transmission method. However, ordinary gears engage in point contact, resulting in backlash. This backlash can cause abnormal noise, and even tiny gaps transmitted to the end of the machine can be amplified, causing noticeable vibrations and affecting the accuracy and stability of the equipment. For precision transmission devices, such as yaw channels in mechanisms and the wrists of industrial robots, the requirements for transmission clearance between gear pairs are extremely high. Therefore, backlash-eliminating gears are needed to eliminate backlash and ensure transmission accuracy.

[0003] In the machining of backlash-free gears, to eliminate noise caused by backlash, some shearing gears are designed as two separate gears. After assembly, the two gears need to be offset by a shearing amount at their pitch circles. The two gears are positioned by locating pin holes to ensure the shearing amount, and the machining accuracy of the locating pin holes is crucial. However, due to the accuracy errors of various components in gear machining, and the thermal deformation caused by high-speed operation of the equipment, coupled with the difficulty in ensuring that the positioning datum is the same before and after heat treatment, the machining accuracy of the locating pin holes is difficult to guarantee, affecting the quality of the backlash-free gears.

[0004] If the backlash-eliminating gear is removed without locking it, it will become misaligned and cannot be installed, thus losing its backlash-eliminating function and rendering the gear unusable. Summary of the Invention

[0005] To overcome the shortcomings of the existing system, this application provides a backlash-eliminating gear reset fixture, which can solve the problem that if the backlash-eliminating gear is not locked before being removed, it will be misaligned and unable to be installed, thus losing its backlash-eliminating function and causing the gear to be scrapped.

[0006] The technical solution adopted by the embodiments of this application to solve its technical problem is: a backlash-eliminating gear reset tool, including two U-shaped clamps.

[0007] The two U-shaped clamps are hinged together, and two handles are fixedly connected to one end of each U-shaped clamp. An angle fixing member is provided between the two handles. Adjusting fasteners are screwed to both sides of the two U-shaped clamps respectively. The side wall lengths of the two U-shaped clamps are different, so the heights of the two sets of adjusting fasteners are different.

[0008] In one specific implementation, both sets of the adjusting fasteners include a first knob, which is fixedly connected to a first threaded rod, which is threaded through the sidewalls of the two U-shaped clamps.

[0009] In a specific embodiment, each of the first threaded rods is fixedly connected with a conical column.

[0010] In a specific embodiment, the angle fixing member comprises an arc-shaped plate, one end of the arc-shaped plate is connected with one of the handles, a positioning part is slidably arranged on the arc-shaped plate, and the positioning part is connected with the other handle.

[0011] In a specific embodiment, an arc-shaped sliding groove is formed on the arc-shaped plate, and the positioning part is slidably arranged in the arc-shaped sliding groove.

[0012] In a specific embodiment, the positioning part comprises a second knob, a second threaded rod is fixedly connected with the second knob, the second threaded rod slidably penetrates the arc-shaped sliding groove and is connected with the other handle.

[0013] In a specific embodiment, a threaded groove matched with the second threaded rod is formed on the other handle.

[0014] In a specific embodiment, a pin shaft is rotatably arranged on the two U-shaped clamps.

[0015] The advantages of the embodiments of the present application are:

[0016] 1. The present application has simple structure and is convenient to operate, and can quickly reset the anti-backlash gear.

[0017] 2. By adjusting the setting of the fastening part, the present application can clamp and limit gears of various specifications, thereby improving the use range of the present application.

[0018] 3. By providing the angle fixing member, the anti-backlash gear can be effectively limited and fixed after being reset, which facilitates the locking of the positioning hole of the anti-backlash gear and prevents deviation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The working structure schematic diagram of the anti-backlash gear resetting tool provided by the embodiments of the present application is shown in the figure;

[0020] Figure 2 The structure schematic diagram of the anti-backlash gear resetting tool provided by the embodiments of the present application is shown in the figure;

[0021] Figure 3 The structure schematic diagram of the adjusting fastening part provided by the embodiments of the present application is shown in the figure;

[0022] Figure 4 The structure schematic diagram of the angle fixing member provided by the embodiments of the present application is shown in the figure;

[0023] Figure 5 The working structure schematic diagram of the anti-backlash gear resetting tool provided by the embodiments of the present application is shown in the figure; Figure 4The enlarged structure schematic diagram at middle A.

[0024] In the figure: 1-U-shaped clamp; 2-handle; 3-adjusting fastener; 31-first knob; 32-first threaded rod; 33-tapered column; 4-pin shaft; 5-angle fixing piece; 51-arc-shaped plate; 511-arc-shaped sliding groove; 52-positioning part; 521-second knob; 522-second threaded rod. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application is to solve the problem that if the anti-backlash gear is directly disassembled without locking, the anti-backlash gear will be misaligned and cannot be installed, the anti-backlash function will be lost, and the gear will be scrapped. The overall idea is as follows:

[0026] Please refer to Figures 1-5 , an anti-backlash gear resetting tool, comprising two U-shaped clamps 1.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the two U-shaped clamps 1 are hingedly arranged, two handles 2 are fixedly connected to one end of the two U-shaped clamps 1, an angle fixing piece 5 is arranged between the two handles 2, adjusting fasteners 3 are screwedly arranged on the two sides of the two U-shaped clamps 1, the length of the two side walls of the two U-shaped clamps 1 is different, and the height of the two groups of adjusting fasteners 3 is different. In use, first, the gear is placed in the middle position of the two U-shaped clamps 1, then the two groups of adjusting fasteners 3 are adjusted to tightly abut against the upper and lower gears to fix the two gears, then the two handles 2 are held and pressed to make the two handles 2 close to each other, at this time, the positioning holes of the two anti-backlash gears overlap, then the two handles 2 are fixed and clamped at an angle by the angle fixing piece 5, then a suitable positioning pin is used to lock the positioning holes of the two anti-backlash gears, and finally the anti-backlash gears are reset. The present application has the advantages of simple structure, convenient operation, and fast resetting of the anti-backlash gears. The adjusting fasteners 3 can clamp and limit gears of various specifications, thereby improving the use range of the present application. The angle fixing piece 5 can effectively limit and fix the anti-backlash gears after resetting, facilitate locking of the positioning holes of the anti-backlash gears, and prevent deviation.

[0028] The two groups of adjusting fasteners 3 each include a first knob 31, the first knob 31 is fixedly connected with a first threaded rod 32, and the first threaded rod 32 is screwed through the side walls of the two U-shaped clamps 1. Each first threaded rod 32 is fixedly connected with a tapered column 33. When the anti-backlash gear needs to be clamped, the first knob 31 is rotated to rotate the first threaded rod 32, and then the tapered column 33 tightly abuts against the anti-backlash gear, thereby fixing the anti-backlash gear.

[0029] The angle fixing component 5 includes an arc-shaped plate 51, one end of which is connected to a handle 2. A positioning part 52 is slidably disposed on the arc-shaped plate 51 and is connected to another handle 2. An arc-shaped groove 511 is formed on the arc-shaped plate 51, and the positioning part 52 is slidably disposed inside the arc-shaped groove 511. The positioning part 52 includes a second knob 521, which is fixedly connected to a second threaded rod 522. The second threaded rod 522 slides through the arc-shaped groove 511 and is connected to the other handle 2. A threaded groove that mates with the second threaded rod 522 is formed on the other handle 2. When the backlash-eliminating gear positioning holes overlap, grasping the second knob 521 causes the second threaded rod 522 to slide inside the arc-shaped groove 511. After the second threaded rod 522 slides above the threaded groove, rotating the second knob 521 causes the second threaded rod 522 to enter the threaded groove, thus fixing the two handles 2.

[0030] A pin 4 is rotatably mounted on both U-shaped clamps 1. The pin 4 enables the rotation of the two U-shaped clamps 1, thereby achieving the overlap of the positioning holes of the backlash-free gear.

[0031] When this application is used:

[0032] In use, first place the gear between the two U-shaped clamps 1, then adjust the two sets of adjusting fasteners 3 to make them tightly abut against the upper and lower gears to fix the two sets of gears. Then, hold the two handles 2 and apply pressure to bring the two handles 2 closer together. At this time, the positioning holes of the two backlash-eliminating gears overlap. Then, fix the two handles 2 at the clamping angle using the angle fixing piece 5. Finally, use a suitable positioning pin to lock the positioning holes of the two backlash-eliminating gears, thus achieving the reset of the backlash-eliminating gears. This application has a simple structure, is easy to operate, and can quickly reset the backlash-eliminating gears. By adjusting the setting of the fasteners 3, this tooling can clamp and limit gears of various specifications, thereby improving the application range of this application. The setting of the angle fixing piece 5 allows the backlash-eliminating gears to be effectively limited and fixed after reset, facilitating the locking of the positioning holes of the backlash-eliminating gears and preventing displacement.

[0033] In summary, this application has a simple structure, is easy to operate, and can quickly reset the backlash-eliminating gear.

[0034] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A back lash gear resetting tool characterized by, The utility model relates to a two -group adjustable fastener for U -shaped clamp Two U-shaped clamps (1) are hingedly arranged, two handles (2) are fixedly connected to one end of the two U-shaped clamps (1), an angle fixing piece (5) is arranged between the two handles (2), two adjusting fasteners (3) are screwedly arranged on the two sides of the two U-shaped clamps (1), the length of the two sides of the two U-shaped clamps (1) is different, and the height of the two groups of adjusting fasteners (3) is different.

2. The back lash gear set-up tool of claim 1, wherein, The two groups of adjusting fasteners (3) each include a first knob (31), the first knob (31) is fixedly connected with a first threaded rod (32), and the first threaded rod (32) is screwed through the side walls of the two U-shaped clamps (1).

3. The lost motion gear reset tool of claim 2, wherein, Each first threaded rod (32) is fixedly connected with a tapered column (33).

4. The back lash gear set-up tool of claim 1 wherein, The angle fixing piece (5) includes an arc-shaped plate (51), one end of the arc-shaped plate (51) is connected with one handle (2), a positioning part (52) is slidably arranged on the arc-shaped plate (51), and the positioning part (52) is connected with the other handle (2).

5. The lost motion gear reset tool of claim 4, wherein, An arc-shaped sliding groove (511) is formed in the arc-shaped plate (51), and the positioning part (52) is slidably arranged in the arc-shaped sliding groove (511).

6. The lost motion gear reset tool of claim 5, wherein, The positioning part (52) includes a second knob (521), the second knob (521) is fixedly connected with a second threaded rod (522), the second threaded rod (522) is slidably arranged through the arc-shaped sliding groove (511) and connected with the other handle (2).

7. The lost motion gear reset tool of claim 6, wherein, A threaded groove matched with the second threaded rod (522) is formed in the other handle (2).

8. The back lash gear set-up tool of claim 1 wherein, A pin shaft (4) is rotatably arranged on the two U-shaped clamps (1).

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