阅读说明：本技术 一种精密无齿隙传动装置 (Precise backlash-free transmission device ) 是由 任正法 张小雨 于 2021-08-13 设计创作，主要内容包括：本发明公开一种精密无齿隙传动装置,属于机床功能部件装置领域。本发明包括传动电机、电机齿轮、消隙轴齿轮I、消隙轴齿轮II、消隙齿轮III、消隙轮、消隙调节杆、消隙联接套、传动轴齿轮I、传动轴齿轮II、输出轴大齿轮、摆动轴、消隙右调节杆、传动轴齿轮III、传动轴齿轮IV、左传动轴、右传动轴,结构紧凑,传递动力刚性好,结构紧凑,占用空间小,调整维修方便,动作快速灵活,成本较低,使用效果好,具有很好的推广性。(The invention discloses a precise non-backlash transmission device, and belongs to the field of machine tool functional part devices. The invention comprises a transmission motor, a motor gear, an anti-backlash shaft gear I, an anti-backlash shaft gear II, an anti-backlash gear III, an anti-backlash wheel, an anti-backlash adjusting rod, an anti-backlash coupling sleeve, a transmission shaft gear I, a transmission shaft gear II, an output shaft gear wheel, a swing shaft, an anti-backlash right adjusting rod, a transmission shaft gear III, a transmission shaft gear IV, a left transmission shaft and a right transmission shaft.)

1. The precise backlash-free transmission device is characterized by comprising a transmission motor (1), a motor gear (2), a backlash eliminating shaft gear I (3), a backlash eliminating shaft gear II (5), a backlash eliminating gear III (6), a backlash eliminating wheel (7), a backlash eliminating adjusting rod (8), a backlash eliminating coupling sleeve (9), a transmission shaft gear I (10), a transmission shaft gear II (11), an output shaft gear wheel (12), a swing shaft (13), a backlash eliminating right adjusting rod (14), a transmission shaft gear III (15), a transmission shaft gear IV (16), a left transmission shaft (17) and a right transmission shaft (18), wherein the backlash eliminating shaft gear I (3), the backlash eliminating adjusting pad (4), the backlash eliminating gear III (6), the backlash eliminating wheel (7) and the backlash eliminating coupling sleeve (9) are arranged on the backlash eliminating shaft gear II (5), and two symmetrical grooves are formed in the backlash eliminating wheel (7) and used for installing the backlash adjusting rod (8) and the backlash eliminating adjusting rod (8) corresponding to the backlash eliminating coupling sleeve (9), Anti-backlash right adjusting rod (14), transmission shaft gear I (10), transmission shaft gear II (11) are installed on left transmission shaft (17), transmission shaft gear III (15), transmission shaft gear IV (16) are installed on right transmission shaft (18), output shaft gear wheel (12) are installed on oscillating axle (13), driving motor (1) is connected through motor gear (2) and anti-backlash shaft gear I (3) meshing, anti-backlash shaft gear II (5) is connected with transmission shaft gear I (10), transmission shaft gear III (15) meshing, transmission shaft gear II (11), transmission shaft gear IV (16) are connected with output shaft gear wheel (12) meshing.

2. The precise zero-backlash transmission device as claimed in claim 1, wherein the anti-backlash shaft gear II (5) and the anti-backlash coupling sleeve (9) are fixedly connected by a transmission key.

3. A precision zero backlash transmission according to claim 2, wherein said backlash elimination gear III (6) is screwed to the backlash elimination wheel (7).

4. A precision zero-backlash transmission device according to claim 3, wherein the anti-backlash gear III (6) is sleeved on the outer ring of the anti-backlash shaft gear II (5), and the anti-backlash gear III (6) and the anti-backlash shaft gear II (5) can be slightly adjusted relatively.

5. A precision zero-backlash transmission device according to claim 4, wherein the anti-backlash shaft gear II (5) is provided with anti-backlash adjustment pads (4) on both sides.

Technical Field

The invention belongs to the field of functional part devices of machine tools, and particularly relates to a precise backlash-free transmission device.

Background

The existing transmission device without the tooth clearance has the disadvantages of complex structure, poor rigidity of power transmission, incompact structure, large occupied space, inconvenient adjustment and maintenance, inflexible action and higher cost.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme:

a precise zero-backlash transmission device comprises a transmission motor, a motor gear, a backlash eliminating shaft gear I, a backlash eliminating shaft gear II, a backlash eliminating gear III, a backlash eliminating wheel, a backlash eliminating adjusting rod, a backlash eliminating coupling sleeve, a transmission shaft gear I, a transmission shaft gear II, an output shaft gear wheel, a swinging shaft, a backlash eliminating right adjusting rod, a transmission shaft gear III, a transmission shaft gear IV, a left transmission shaft and a right transmission shaft, wherein the backlash eliminating shaft gear I, the backlash eliminating adjusting pad, the backlash eliminating gear III, the backlash eliminating wheel and the backlash eliminating coupling sleeve are arranged on the backlash eliminating shaft gear II, the backlash eliminating wheel is provided with two symmetrical grooves for installing the backlash eliminating adjusting rod and the backlash eliminating right adjusting rod corresponding to the backlash eliminating coupling sleeve, the transmission shaft gear I and the transmission shaft gear II are arranged on the left transmission shaft, the transmission shaft gear III and the transmission shaft gear IV are arranged on the right transmission shaft, the output shaft is arranged on the swinging shaft, the transmission motor is in meshed connection with a backlash eliminating shaft gear I through a motor gear, the backlash eliminating shaft gear II is in meshed connection with a transmission shaft gear I and a transmission shaft gear III, and the transmission shaft gear II and a transmission shaft gear IV are in meshed connection with a large gear of an output shaft.

And the anti-backlash shaft gear II is fixedly connected with the anti-backlash connecting sleeve through a transmission key.

And the anti-backlash gear III is fastened with the anti-backlash gear through a screw.

The anti-backlash gear III is sleeved on the outer ring of the anti-backlash shaft gear II, and the anti-backlash gear III and the anti-backlash shaft gear II can be slightly adjusted relatively.

And anti-backlash adjusting pads are arranged on two sides of the anti-backlash shaft gear II.

Compared with the prior art, the invention has the following advantages:

the invention has the advantages of simple and compact structure, good rigidity of power transmission, compact structure, small occupied space, convenient adjustment and maintenance, quick and flexible action, lower cost, good use effect and good popularization.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure C-C of fig. 1.

Fig. 3 is a schematic view of the structure B-B of fig. 1.

Fig. 4 is a schematic diagram of the D-D structure of fig. 1.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

Example 1: as shown in fig. 1-4, the present embodiment includes a transmission motor 1, a motor gear 2, an anti-backlash shaft gear I3, an anti-backlash shaft gear II5, an anti-backlash gear III 6, an anti-backlash wheel 7, an anti-backlash adjusting rod 8, an anti-backlash coupling sleeve 9, a transmission shaft gear I10, a transmission shaft gear II11, an output shaft gearwheel 12, a swing shaft 13, an anti-backlash right adjusting rod 14, a transmission shaft gear III15, a transmission shaft gear IV16, a left transmission shaft 17, and a right transmission shaft 18, wherein the anti-backlash shaft gear I3, the anti-backlash adjusting pad 4, the anti-backlash gear III 6, the anti-backlash wheel 7, and the anti-backlash coupling sleeve 9 are mounted on the anti-backlash shaft gear II5, the anti-backlash wheel 7 is provided with two symmetrical grooves for mounting the anti-backlash adjusting rod 8 and the anti-backlash right adjusting rod 14 corresponding to the anti-backlash coupling sleeve 9, the transmission shaft gear I10 and the transmission shaft gear II11 are mounted on the left transmission shaft gear II5, the transmission shaft gear III15, and the anti-backlash adjusting rod 7, and the anti-backlash adjusting rod 8, and the anti-backlash adjusting rod gear III-backlash adjusting rod 8 are mounted on the anti-backlash adjusting rod gear II 3684, and the anti-backlash adjusting rod gear II, The transmission shaft gear IV16 is arranged on the right transmission shaft 18, the output shaft gearwheel 12 is arranged on the swinging shaft 13, the transmission motor 1 is meshed and connected with the anti-backlash shaft gear I3 through the motor gear 2, the anti-backlash shaft gear II5 is meshed and connected with the transmission shaft gear I10 and the transmission shaft gear III15, and the transmission shaft gear II11 and the transmission shaft gear IV16 are meshed and connected with the output shaft gearwheel 12.

The anti-backlash shaft gear II5 is fixedly connected with the anti-backlash coupling sleeve 9 through a transmission key. The anti-backlash gear III 6 and the anti-backlash wheel 7 are fastened through screws.

The anti-backlash gear III 6 is sleeved on an outer ring of the anti-backlash shaft gear II5, and the anti-backlash gear III 6 and the anti-backlash shaft gear II5 can be slightly adjusted relatively. And the two sides of the anti-backlash shaft gear II5 are provided with anti-backlash adjusting pads 4.

When in specific use; the transmission motor 1 transmits the rotary motion to the anti-backlash shaft gear II5 through the meshing motion of the motor gear 2 and the anti-backlash shaft gear I3, the gear on the anti-backlash shaft gear II5 transmits the rotary motion to the left transmission shaft 17 through the meshing motion with the transmission shaft gear I10, and then transmits the rotary motion to the swinging shaft 13 through the meshing motion of the transmission shaft gear II11 on the left transmission shaft 17 and the output shaft large gear 12. In addition, the anti-backlash gear III 6 transmits the rotary motion to the right transmission shaft 18 through the meshing motion of the transmission shaft gear III15, and then transmits the rotary motion to the swinging shaft 13 through the meshing motion of the transmission shaft gear IV16 on the right transmission shaft 18 and the output shaft large gear 12. The anti-backlash shaft gear II5 and the anti-backlash gear III 6 which is coaxially arranged transmit the rotation motion to the swinging shaft 13 through two pairs of meshing gears and a left transmission shaft and a right transmission shaft, and the gear meshing gap between the anti-backlash wheel 7 and the anti-backlash coupling sleeve 9 is adjusted through the threads of 4 anti-backlash adjusting rods 8 which are arranged on the anti-backlash wheel 7, so that the zero-backlash generation during the forward and reverse rotation of the large gear 12 of the output shaft is ensured, and the high-precision meshing transmission is realized. The anti-backlash adjusting rod 8 is locked by a locknut after being adjusted, so that the mechanism can stably run for a long time.

The invention has the advantages of simple and compact structure, good rigidity of power transmission, compact structure, small occupied space, convenient adjustment and maintenance, quick and flexible action, lower cost, good use effect and good popularization.

The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications may be made in the foregoing disclosure without departing from the spirit or essential characteristics of all embodiments, and that all changes and modifications apparent from the above teachings are within the scope of the invention.