CN223511477U - Double spur gear anti-backlash synchronous device - Google Patents

Abstract

The utility model belongs to the technical field of gears, and particularly relates to a double-spur gear anti-backlash synchronous device which comprises a synchronous transition plate, wherein a bracket is arranged on the synchronous transition plate, an encoder is arranged on the bracket, an azimuth synchronous shaft is arranged on the synchronous transition plate, a screw is connected to the synchronous transition plate in a threaded manner, and a coupler is arranged below the encoder. The double-straight-gear gap eliminating synchronization device controls the position between the gap eliminating gear I and the gap eliminating gear II through the encoder, the azimuth synchronization shaft and the coupler, the gap eliminating gear I and the main shaft gear are driven to eliminate gaps through the pretension force of the spring I between the gap eliminating gear I and the gap eliminating gear II, after gap eliminating work is completed, the connecting rod is loosened and is downwards stirred to enable the clamping block to be removed from the clamping connection between the clamping block, the connecting plate is driven to downwards reset under the elastic reset action of the elastic telescopic rod, and therefore the arc-shaped tooth plate is clamped into the tooth clamping ring again, the position fixing of the gap eliminating gear I is completed, and the operation is simple and convenient.

Description

Double spur gear anti-backlash synchronous device

Technical Field

The utility model relates to the technical field of gears, in particular to a double-spur gear anti-backlash synchronous device.

Background

The double-spur gear anti-backlash synchronous device mainly comprises two spur gears and an anti-backlash mechanism, and can eliminate the clearance between the driving gear and the driven gear by the action of the anti-backlash mechanism, thereby realizing gapless transmission.

At present, the double-spur-gear anti-backlash synchronous device in the prior art is complex to operate during fixing, the mounting of a fixing piece needs to ensure close fit between a gear shaft and the fixing piece to avoid looseness or clearance, a special mounting tool and a special mounting method are needed, meanwhile, the complexity and the technical requirements of operation are increased, and in view of the above, the double-spur-gear anti-backlash synchronous device is provided.

Disclosure of utility model

The utility model mainly aims to provide a double-spur gear anti-backlash synchronous device which can solve the problems in the background technology.

In order to achieve the above purpose, the double-spur gear anti-backlash synchronous device provided by the utility model comprises a synchronous transition plate, wherein a bracket is arranged on the synchronous transition plate, an encoder is arranged on the bracket, an azimuth synchronous shaft is arranged on the synchronous transition plate, a screw is connected to the synchronous transition plate in a threaded manner, a coupler is arranged below the encoder, a first anti-backlash gear and a second anti-backlash gear are respectively arranged on the coupler, a first spring is arranged between the first anti-backlash gear and the second anti-backlash gear, an auxiliary mechanism is arranged on the first anti-backlash gear, and the auxiliary mechanism comprises a clamping ring which is fixedly connected above the first anti-backlash gear.

Preferably, the inner wall of the bracket is fixedly connected with a fixing plate, and a square plate is fixedly connected above the fixing plate.

Preferably, the fixed plate is provided with a sliding groove, the sliding groove is also connected with a connecting plate, the connecting plate is fixedly connected with an arc-shaped tooth clamping plate, and the side wall of the connecting plate is fixedly connected with a connecting rod.

Preferably, a clamping block is fixedly connected to the side wall of the fixing plate.

Preferably, the lateral walls on two sides of the connecting plate are fixedly connected with connecting blocks, the connecting blocks are fixedly connected with auxiliary blocks, and the connecting blocks are provided with sliding grooves.

Preferably, the sliding chute is slidably connected with the clamping block, the side wall of the clamping block is fixedly connected with the second spring, one end of the side wall of the clamping block, which is far away from the second spring, is fixedly connected with the auxiliary block, the connecting plate is fixedly connected with the elastic telescopic rod, one end of the elastic telescopic rod, which is far away from the connecting plate, is fixedly connected with the long plate, and the long plate is fixedly connected with the fixing plate, the arc-shaped latch plate is driven to be far away from the clamping toothed ring by pulling the connecting rod upwards, so that the position limit of the first anti-backlash gear is eliminated, the clamping block is driven to move upwards simultaneously when the connecting rod moves upwards, the clamping block is clamped on the clamping block under the cooperation of the sliding chute and the second spring, the fixing of the position of the connecting plate is completed, the position of the arc-shaped latch plate is further completed, the position between the first anti-backlash gear and the second anti-backlash gear is controlled through the encoder, the force of the first spring between the anti-backlash gear and the second anti-backlash gear is removed with the main shaft, the connecting rod is released, the clamping block is driven to restore the elastic latch plate is reset, and the operation is realized, and the clamping is easy, and the clamping is convenient and the clamping is realized.

The utility model provides a double-spur gear anti-backlash synchronous device. The beneficial effects are as follows:

(1) This two straight-line gears clearance-eliminating synchronizer drives arc latch board and keep away from the card toothed ring through upwards pulling the connecting rod to the clearance-eliminating gear's position is spacing, can drive the joint piece and upwards move simultaneously when the connecting rod upward movement, can make the joint piece joint on the fixture block under the cooperation of spout and spring two, thereby the fixed to the position of connecting plate has been accomplished, and then the fixed to the position of arc latch board has been accomplished, then control clearance-eliminating gear's position between first and the clearance-eliminating gear's through encoder, position synchronizing shaft and shaft coupling, through the pretension of the spring between clearance-eliminating gear and the clearance-eliminating gear's two with main shaft gear drive clearance-eliminating, after clearance-eliminating work is accomplished, loosen the connecting rod and dial down and make the joint between joint piece and the fixture block, can drive the connecting plate down and reset under the elasticity reset effect of elastic telescoping rod, thereby make arc latch board joint again enter on the card toothed ring, thereby the fixed to the position of clearance-eliminating gear has been accomplished, and the operation is simple and convenient.

(2) The double-spur-gear anti-backlash synchronous device is better in bearing with the latch ring through the arrangement of the two groups of arc-shaped latch plates, so that the anti-backlash gear I is better in fixing effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the overall three-dimensional structure of the present utility model;

FIG. 3 is a schematic view of a partial device of the present utility model in perspective cross-section;

fig. 4 is a schematic diagram of the structure of the area a in fig. 3 according to the present utility model.

Reference numerals illustrate:

1. A synchronous transition plate; 2, a bracket, 3, an encoder, 4, a first anti-backlash gear, 5, a second anti-backlash gear, 6, a first spring, 7, an auxiliary mechanism, 71, a latch ring, 72, a fixed plate, 73, a connecting plate, 74, an arc-shaped latch plate, 75, a connecting rod, 76, a clamping block, 77, a connecting block, 78, an auxiliary block, 79, a sliding chute, 710, a clamping block, 711, a second spring, 712, an elastic telescopic rod, 713, a long plate, 8, a screw, 9, an azimuth synchronous shaft, 10 and a coupler.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a dual spur gear anti-backlash synchronization device, which comprises a synchronization transition plate 1, wherein a bracket 2 is installed on the synchronization transition plate 1, an encoder 3 is arranged on the bracket 2, an azimuth synchronization shaft 9 is arranged on the synchronization transition plate 1, a screw 8 is connected to the synchronization transition plate 1 in a threaded manner, a coupler 10 is arranged below the encoder 3, an anti-backlash gear one 4 and an anti-backlash gear two 5 are respectively installed on the coupler 10, a spring one 6 is installed between the anti-backlash gear one 4 and the anti-backlash gear two 5, an auxiliary mechanism 7 is arranged on the anti-backlash gear one 4, the auxiliary mechanism 7 comprises a clamping ring 71, and the clamping ring 71 is fixedly connected above the anti-backlash gear one 4.

In the embodiment of the utility model, in order to enable the auxiliary mechanism 7 to operate better, specifically, the inner wall of the bracket 2 is fixedly connected with a fixed plate 72, a square plate is fixedly connected above the fixed plate 72, a sliding groove is formed in the fixed plate 72, the sliding groove is also connected with a connecting plate 73, the connecting plate 73 is fixedly connected with an arc-shaped tooth clamping plate 74, the side wall of the connecting plate 73 is fixedly connected with a connecting rod 75, the side wall of the fixed plate 72 is fixedly connected with a clamping block 76, the side walls of both sides of the connecting plate 73 are fixedly connected with connecting blocks 77, auxiliary blocks 78 are fixedly connected to the connecting blocks 77, and sliding grooves 79 are formed in the connecting blocks 77.

Further, the chute 79 is slidably connected with the clamping block 710, the side wall of the clamping block 710 is fixedly connected with the spring II 711, one end of the side wall of the clamping block 710, which is far away from the spring II 711, is fixedly connected with the auxiliary block 78, the connecting plate 73 is fixedly connected with the elastic telescopic rod 712, one end of the elastic telescopic rod 712, which is far away from the connecting plate 73, is fixedly connected with the long plate 713 and the fixing plate 72, the arc-shaped clamping plate 74 is driven to be far away from the clamping ring 71 by pulling the connecting rod 75 upwards, so that the position limit of the first anti-backlash gear 4 is eliminated, the clamping block 710 is driven to move upwards simultaneously when the connecting rod 75 moves upwards, the clamping block 710 is clamped on the clamping block 76 under the cooperation of the chute 79 and the spring II 711, the position fixing of the connecting plate 73 is completed, the position fixing of the arc-shaped clamping plate 74 is completed, the position fixing of the first anti-backlash gear 4 and the second anti-backlash gear 5 is controlled through the encoder 3, the azimuth synchronizing shaft 9 and the coupler 10, the first anti-backlash gear 6 between the anti-backlash gear 4 and the first anti-backlash gear 5 is driven to move upwards, the clamping block 710 is driven to rotate downwards, the clamping block 76 is reset, and the operation is completed, and the arc-shaped clamping block is easily is reset, and the clamping block is conveniently is moved downwards, and the clamping block is moved downwards, and the clamping block is easily is moved.

In the utility model, when the anti-backlash mechanism is used, the connecting rod 75 is pulled upwards to drive the arc-shaped clamping toothed plate 74 to be far away from the clamping toothed ring 71, so that the position limitation of the anti-backlash gear I4 is relieved, the connecting rod 75 is driven to move upwards simultaneously, the clamping block 710 is clamped on the clamping block 76 under the cooperation of the sliding groove 79 and the spring II 711, the position of the connecting plate 73 is fixed, the position fixing of the arc-shaped clamping toothed plate 74 is further completed, the position between the anti-backlash gear I4 and the anti-backlash gear II 5 is controlled through the encoder 3, the azimuth synchronizing shaft 9 and the coupler 10, the pretension force of the spring I6 between the anti-backlash gear I4 and the anti-backlash gear II 5 is used for driving the anti-backlash gear I4 and the main shaft gear II, after the anti-backlash work is completed, the connecting rod 75 is released and the clamping block 710 is released from the clamping block 76 by pulling downwards, the connecting plate 73 is driven to reset under the elastic reset action of the elastic telescopic rod 712, and the arc-shaped clamping toothed plate 74 is clamped into the clamping toothed ring 71 again, and the position of the anti-backlash gear I4 is fixed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (6)

1. The double-spur-gear gap eliminating synchronization device comprises a synchronization transition plate (1) and is characterized in that a support (2) is arranged on the synchronization transition plate (1), an encoder (3) is arranged on the support (2), an azimuth synchronization shaft (9) is arranged on the synchronization transition plate (1), a screw (8) is connected to the synchronization transition plate (1) in a threaded mode, a coupler (10) is arranged below the encoder (3), a gap eliminating gear I (4) and a gap eliminating gear II (5) are respectively arranged on the coupler (10), a spring I (6) is arranged between the gap eliminating gear I (4) and the gap eliminating gear II (5), an auxiliary mechanism (7) is arranged on the gap eliminating gear I (4), the auxiliary mechanism (7) comprises a clamping ring (71), and the clamping ring (71) is fixedly connected above the gap eliminating gear I (4).

2. The double-spur gear anti-backlash synchronous device according to claim 1, wherein the inner wall of the bracket (2) is fixedly connected with a fixed plate (72), and a square plate is fixedly connected above the fixed plate (72).

3. The double-spur gear anti-backlash synchronous device according to claim 2, wherein the fixed plate (72) is provided with a sliding groove, the sliding groove is also connected with a connecting plate (73), the connecting plate (73) is fixedly connected with an arc-shaped tooth clamping plate (74), and the side wall of the connecting plate (73) is fixedly connected with a connecting rod (75).

4. The double spur gear anti-backlash synchronous device as set forth in claim 2, wherein a clamping block (76) is fixedly connected to the side wall of the fixed plate (72).

5. The double-spur gear anti-backlash synchronous device according to claim 3, wherein the side walls of the two sides of the connecting plate (73) are fixedly connected with the connecting block (77), the connecting block (77) is fixedly connected with an auxiliary block (78), and the connecting block (77) is provided with a sliding groove (79).

6. The double-spur gear anti-backlash synchronous device of claim 5, wherein the sliding chute (79) is connected with a clamping block (710) in a sliding manner, a second spring (711) is fixedly connected to the side wall of the clamping block (710), one end, far away from the side wall of the clamping block (710), of the second spring (711) is fixedly connected with an auxiliary block (78), an elastic telescopic rod (712) is fixedly connected to the connecting plate (73), one end, far away from the connecting plate (73), of the elastic telescopic rod (712) is fixedly connected with a long plate (713), and the long plate (713) is fixedly connected with the fixing plate (72).