CN220956753U - All-gear anti-backlash transmission mechanism - Google Patents
All-gear anti-backlash transmission mechanism Download PDFInfo
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- CN220956753U CN220956753U CN202322768998.7U CN202322768998U CN220956753U CN 220956753 U CN220956753 U CN 220956753U CN 202322768998 U CN202322768998 U CN 202322768998U CN 220956753 U CN220956753 U CN 220956753U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 47
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of machining tools, and particularly relates to a full-gear clearance eliminating transmission mechanism. The utility model aims at the problems that the anti-backlash effect and the applicable scene are still to be further improved in the prior art, and develops a full-gear anti-backlash transmission mechanism, which comprises a fixed seat, wherein an input gear assembly and an output gear assembly are arranged in the fixed seat, an anti-backlash gear mechanism is arranged between the input gear assembly and the output gear assembly, and the anti-backlash transmission mechanism further comprises an anti-backlash adjustment assembly with one end pressed on the anti-backlash gear mechanism, wherein the anti-backlash adjustment assembly can push the anti-backlash gear mechanism to move close to or far from the input gear assembly or push the anti-backlash gear mechanism to move close to or far from the output gear assembly. The anti-backlash adjusting assembly capable of pushing the anti-backlash gear mechanism to move is arranged to be close to or far away from the main body gear assembly, so that dynamic anti-backlash is realized, anti-backlash effect is improved, and applicable use scenes are enlarged.
Description
Technical Field
The utility model belongs to the technical field of machining tools, and particularly relates to a full-gear clearance eliminating transmission mechanism.
Background
Gear transmission is an important way of mechanical transmission, and the accuracy and stability of a gear transmission system are directly affected by the precision of gear engagement. Due to the fact that high-precision gears are difficult to process, accumulated errors exist in gear processing, and the like, meshing gaps exist among gears. Therefore, how to eliminate the clearance to ensure the accuracy of gear engagement and further improve the accuracy and stability of the gear transmission system is a problem to be solved.
Disclosure of utility model
Aiming at the problems, the utility model provides an all-gear anti-backlash transmission mechanism with good anti-backlash effect and wide applicable scene. In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a full gear anti-backlash drive mechanism, includes the fixing base, be equipped with input gear assembly and output gear assembly in the fixing base, be equipped with anti-backlash gear mechanism between input gear assembly and the output gear assembly, still include one end press establish the anti-backlash adjustment subassembly on anti-backlash gear mechanism, anti-backlash adjustment subassembly can promote anti-backlash gear mechanism to take place to be close to or keep away from the removal of input gear assembly, or promote anti-backlash gear mechanism to take place to be close to or keep away from the removal of output gear assembly.
In the above-mentioned full gear anti-backlash transmission mechanism, anti-backlash gear mechanism includes forward rotation anti-backlash gear assembly and reverse rotation anti-backlash gear assembly, anti-backlash adjustment assembly is equipped with two and presses respectively and establishes on forward rotation anti-backlash gear assembly and reverse rotation anti-backlash gear assembly, and anti-backlash adjustment assembly promotes forward rotation anti-backlash gear assembly to take place to be close to or keep away from the removal of input gear assembly, and anti-backlash adjustment assembly promotes reverse rotation anti-backlash gear assembly to take place to be close to or keep away from the removal of output gear assembly.
In the above-mentioned all-gear anti-backlash transmission mechanism, the forward-rotation anti-backlash gear assembly comprises a forward-rotation anti-backlash gear shaft and a forward-rotation anti-backlash gear sleeved on the forward-rotation anti-backlash gear shaft, and the forward-rotation anti-backlash gear is fixedly connected with the forward-rotation anti-backlash gear shaft.
In the above-mentioned all-gear anti-backlash transmission mechanism, the anti-backlash adjustment assembly comprises a bearing sleeved on a forward-rotation anti-backlash gear shaft, the outer surface of the bearing is fixedly connected with a jacking fixed plate, and one side of the jacking fixed plate far away from the bearing is provided with a linear pushing structure.
In the above-mentioned all-gear anti-backlash transmission mechanism, the straight line promotes the structure and includes fixed block fixed connection on the fixing base, adjusting screw runs through the fixed block and with fixed block threaded connection, adjusting screw's one end is connected in top fastening fixed plate side.
In the all-gear anti-backlash transmission mechanism, the axial lead of the adjusting screw is perpendicular to the axial lead of the forward-rotation anti-backlash gear shaft.
In the above-mentioned all-gear anti-backlash transmission mechanism, the reverse anti-backlash gear assembly comprises a reverse anti-backlash gear shaft and a reverse anti-backlash gear sleeved on the reverse anti-backlash gear shaft, and the reverse anti-backlash gear is fixedly connected with the reverse anti-backlash gear shaft.
In the above-mentioned all-gear anti-backlash transmission mechanism, the input gear assembly includes an input gear meshed with the anti-backlash transmission mechanism, the input gear is fixedly connected to an input gear shaft, and the input gear shaft is rotationally connected to the fixing base.
In the above-mentioned all-gear anti-backlash transmission mechanism, the output gear assembly includes an output gear meshed with the anti-backlash transmission mechanism, the output gear is fixedly connected to an output gear shaft, and the output gear shaft is rotationally connected to the fixing seat.
In the all-gear anti-backlash transmission mechanism, the input gear shaft and the output gear shaft are parallel to each other.
The utility model has the advantages that:
1. the anti-backlash adjusting assembly capable of pushing the anti-backlash gear mechanism to move is arranged to be close to or far away from the main body gear assembly, so that dynamic anti-backlash is realized, anti-backlash effect is improved, and applicable use scenes are enlarged.
2. The anti-backlash gear mechanism comprises the forward rotation anti-backlash gear assembly and the reverse rotation anti-backlash gear assembly, so that the transmission mechanism can realize gapless transmission no matter in the forward rotation process or the reverse rotation process, and the accuracy of forward and reverse rotation transmission of the transmission mechanism is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view at A-A in FIG. 1;
FIG. 3 is a cross-sectional view at B-B in FIG. 1;
In the figure: the anti-backlash device comprises a fixed seat 1, an input gear assembly 2, an output gear assembly 3, an anti-backlash gear mechanism 4, an anti-backlash adjustment assembly 5, a forward rotation anti-backlash gear assembly 6, a reverse rotation anti-backlash gear assembly 7, a forward rotation anti-backlash gear shaft 8, a forward rotation anti-backlash gear 9, a bearing 10, a top fastening fixing plate 11, a linear pushing structure 12, a fixing block 13, an adjusting screw 14, a reverse rotation anti-backlash gear shaft 15, a reverse rotation anti-backlash gear 16, an input gear 17, an input gear shaft 18, an output gear 19 and an output gear shaft 20.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Referring to fig. 1-3, an all-gear anti-backlash transmission mechanism comprises a fixed seat 1, an input gear assembly 2 and an output gear assembly 3 are arranged in the fixed seat 1, an anti-backlash gear mechanism 4 is arranged between the input gear assembly 2 and the output gear assembly 3, and the all-gear anti-backlash transmission mechanism further comprises an anti-backlash adjustment assembly 5 with one end pressed on the anti-backlash gear mechanism 4, wherein the anti-backlash adjustment assembly 5 can push the anti-backlash gear mechanism 4 to move close to or far away from the input gear assembly 2, or push the anti-backlash gear mechanism 4 to move close to or far away from the output gear assembly 3. When the utility model is used, power is input by the input gear assembly 2, and is transmitted to the output gear assembly 3 to realize power output after eliminating gear gaps by the anti-backlash gear mechanism 4. During use, the anti-backlash mechanism 4 can be adjusted relative to the input gear assembly 2 and the output gear assembly 3 through the anti-backlash adjusting assembly 5 so as to ensure the anti-backlash requirement. Therefore, the anti-backlash adjusting assembly 5 capable of pushing the anti-backlash gear mechanism 4 to move is arranged to be close to or far away from the main body gear assembly, so that dynamic anti-backlash is realized, anti-backlash effect is improved, and applicable use scenes are enlarged.
As shown in fig. 3, the anti-backlash gear mechanism 4 includes a forward anti-backlash gear assembly 6 and a reverse anti-backlash gear assembly 7, the anti-backlash adjusting assembly 5 is provided with two anti-backlash gear assemblies 6 and 7 respectively, the anti-backlash adjusting assembly 5 pushes the forward anti-backlash gear assembly 6 to move close to or far from the input gear assembly 2, and the anti-backlash adjusting assembly 5 pushes the reverse anti-backlash gear assembly 7 to move close to or far from the output gear assembly 3. The anti-backlash gear mechanism 4 comprises the forward anti-backlash gear assembly 6 and the reverse anti-backlash gear assembly 7, so that no-clearance transmission can be realized in the forward rotation process or the reverse rotation process of the transmission mechanism, and the accuracy of forward and reverse rotation transmission of the transmission mechanism is ensured. The anti-backlash adjustment assembly 5 can respectively push the forward anti-backlash gear assembly 6 and the reverse anti-backlash gear assembly 7 to realize forward anti-backlash and reverse anti-backlash.
Specifically, the forward rotation anti-backlash gear assembly 6 comprises a forward rotation anti-backlash gear shaft 8 and a forward rotation anti-backlash gear 9 sleeved on the forward rotation anti-backlash gear shaft 8, and the forward rotation anti-backlash gear 9 is fixedly connected with the forward rotation anti-backlash gear shaft 8. The reverse anti-backlash gear assembly 7 comprises a reverse anti-backlash gear shaft 15 and a reverse anti-backlash gear 16 sleeved on the reverse anti-backlash gear shaft 15, wherein the reverse anti-backlash gear 16 is fixedly connected with the reverse anti-backlash gear shaft 15. When the transmission mechanism rotates positively, the input gear assembly 2 is used for driving the transmission chain formed by the output gear assembly 3 and the forward rotation anti-backlash gear assembly 6, so that the transmission mechanism rotates positively without clearance, and the transmission accuracy of the forward rotation of the transmission mechanism and the positioning accuracy of the forward rotation are ensured; during reversing, power is transmitted from the output gear assembly 3, and a transmission chain is formed by the output gear assembly 3, the reversing anti-backlash gear assembly 7 and the input gear assembly 2, so that reversing anti-backlash is realized.
As shown in fig. 3, the anti-backlash adjustment assembly 5 comprises a bearing 10 sleeved on the forward-rotation anti-backlash gear shaft 8, the outer surface of the bearing 10 is fixedly connected with a tightening fixing plate 11, and a linear pushing structure 12 is arranged on one side, far away from the bearing 10, of the tightening fixing plate 11. When the anti-backlash device is used, the linear pushing structure 12 pushes the top fastening fixing plate 11, and the top fastening fixing plate 11 drives the bearing 10 to move, so that the forward rotation anti-backlash gear shaft 8 and the bearing 10 synchronously move.
The linear pushing structure 12 may be a specific structure which is commonly used in the art to realize linear driving, for example, a cylinder driving structure may be used. But preferably, the linear pushing structure 12 comprises a fixed block 13 fixedly connected to the fixed seat 1, an adjusting screw 14 penetrates through the fixed block 13 and is in threaded connection with the fixed block 13, and one end of the adjusting screw 14 is connected to the side surface of the top fastening fixed plate 11. The linear driving of the top fastening plate 11 is achieved by screwing the adjusting screw 14.
Preferably, the axial line of the adjusting screw 14 is perpendicular to the axial line of the forward rotation anti-backlash gear shaft 8. The mutually perpendicular arrangement mode is convenient for a user to control and adjust the result.
As shown in fig. 1, the input gear assembly 2 includes an input gear 17 meshed with the anti-backlash gear mechanism 4, the input gear 17 is fixedly connected to an input gear shaft 18, and the input gear shaft 18 is rotatably connected to the fixing base 1. The output gear assembly 3 comprises an output gear 19 meshed with the anti-backlash gear mechanism 4, the output gear 19 is fixedly connected to an output gear shaft 20, and the output gear shaft 20 is rotatably connected with the fixed seat 1.
Preferably, the input gear shaft 18 and the output gear shaft 20 are parallel to each other. This ensures the stability of the transmission process.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Although terms of the fixing base 1, the input gear assembly 2, the output gear assembly 3, the anti-backlash gear mechanism 4, the anti-backlash adjustment assembly 5, the forward anti-backlash gear assembly 6, the reverse anti-backlash gear assembly 7, the forward anti-backlash gear shaft 8, the forward anti-backlash gear 9, the bearing 10, the top fastening plate 11, the linear pushing structure 12, the fixing block 13, the adjusting screw 14, the reverse anti-backlash gear shaft 15, the reverse anti-backlash gear 16, the input gear 17, the input gear shaft 18, the output gear 19, the output gear shaft 20, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a full gear anti-backlash drive mechanism, includes fixing base (1), be equipped with input gear assembly (2) and output gear assembly (3) in fixing base (1), be equipped with anti-backlash gear mechanism (4), its characterized in that between input gear assembly (2) and output gear assembly (3): the anti-backlash mechanism further comprises an anti-backlash adjusting assembly (5) with one end pressed on the anti-backlash gear mechanism (4), and the anti-backlash adjusting assembly (5) can push the anti-backlash gear mechanism (4) to move close to or away from the input gear assembly (2) or push the anti-backlash gear mechanism (4) to move close to or away from the output gear assembly (3).
2. An all-gear anti-backlash transmission as claimed in claim 1, wherein: the anti-backlash gear mechanism (4) comprises a forward anti-backlash gear assembly (6) and a reverse anti-backlash gear assembly (7), the anti-backlash adjusting assembly (5) is provided with two anti-backlash gear assemblies (6) and a reverse anti-backlash gear assembly (7) which are respectively arranged in a pressing mode, the anti-backlash adjusting assembly (5) pushes the forward anti-backlash gear assembly (6) to move close to or away from the input gear assembly (2), and the anti-backlash adjusting assembly (5) pushes the reverse anti-backlash gear assembly (7) to move close to or away from the output gear assembly (3).
3. An all-gear anti-backlash transmission as claimed in claim 2, wherein: the forward anti-backlash gear assembly (6) comprises a forward anti-backlash gear shaft (8) and a forward anti-backlash gear (9) sleeved on the forward anti-backlash gear shaft (8), and the forward anti-backlash gear (9) is fixedly connected with the forward anti-backlash gear shaft (8).
4. A full gear anti-backlash transmission as claimed in claim 3, wherein: the anti-backlash adjusting assembly (5) comprises a bearing (10) sleeved on a forward-rotation anti-backlash gear shaft (8), a top fastening fixing plate (11) is fixedly connected to the outer surface of the bearing (10), and a linear pushing structure (12) is arranged on one side, far away from the bearing (10), of the top fastening fixing plate (11).
5. An all-gear anti-backlash transmission as claimed in claim 4, wherein: the linear pushing structure (12) comprises a fixed block (13) fixedly connected to the fixed seat (1), an adjusting screw (14) penetrates through the fixed block (13) and is in threaded connection with the fixed block (13), and one end of the adjusting screw (14) is connected to the side face of the top fastening fixed plate (11).
6. An all-gear anti-backlash transmission as recited in claim 5, wherein: the axial lead of the adjusting screw (14) is perpendicular to the axial lead of the forward rotation anti-backlash gear shaft (8).
7. An all-gear anti-backlash transmission as claimed in claim 2, wherein: the reversing anti-backlash gear assembly (7) comprises a reversing anti-backlash gear shaft (15) and a reversing anti-backlash gear (16) sleeved on the reversing anti-backlash gear shaft (15), and the reversing anti-backlash gear (16) is fixedly connected with the reversing anti-backlash gear shaft (15).
8. An all-gear anti-backlash transmission as claimed in claim 1, wherein: the input gear assembly (2) comprises an input gear (17) meshed with the anti-backlash gear mechanism (4), the input gear (17) is fixedly connected to an input gear shaft (18), and the input gear shaft (18) is rotationally connected with the fixed seat (1).
9. An all-gear anti-backlash transmission as recited in claim 8, wherein: the output gear assembly (3) comprises an output gear (19) meshed with the anti-backlash gear mechanism (4), the output gear (19) is fixedly connected to an output gear shaft (20), and the output gear shaft (20) is rotationally connected with the fixed seat (1).
10. An all-gear anti-backlash transmission as recited in claim 9, wherein: the input gear shaft (18) and the output gear shaft (20) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768998.7U CN220956753U (en) | 2023-10-13 | 2023-10-13 | All-gear anti-backlash transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322768998.7U CN220956753U (en) | 2023-10-13 | 2023-10-13 | All-gear anti-backlash transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956753U true CN220956753U (en) | 2024-05-14 |
Family
ID=91018570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322768998.7U Active CN220956753U (en) | 2023-10-13 | 2023-10-13 | All-gear anti-backlash transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956753U (en) |
-
2023
- 2023-10-13 CN CN202322768998.7U patent/CN220956753U/en active Active
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