CN214367536U

CN214367536U - Worm gear drive roller adjusting device

Info

Publication number: CN214367536U
Application number: CN202120257422.2U
Authority: CN
Inventors: 张侠
Original assignee: Rui'an Longli Machinery Manufacturing Co ltd
Current assignee: Rui'an Longli Machinery Manufacturing Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-08
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a worm gear drive roller bearing adjusting device, including the transmission case, the top and the bottom of transmission case all are provided with the through-hole, and the inner chamber of through-hole is provided with the worm. The utility model discloses a fixed block, first spring, the connecting block, the baffle, the bearing frame, the stopper, the second spring, the cooperation of gag lever post and fixture block, first spring is in always by compression state, when worm wheel and worm produced wearing and tearing, the fit clearance that produces between worm wheel and the worm restores elastic deformation for first spring provides the space, promote the worm and slide to the worm wheel direction when first spring restores elastic deformation, thereby eliminate the fit clearance between worm wheel and the worm, improve the transmission precision, and the effect through gag lever post and fixture block, can effectively reduce the range that the vibration that produces because of driving motor work leads to the worm to rock, further improve the transmission precision, thereby reach the effect that the transmission precision is high, the problem that current device transmission precision is low is solved.

Description

Worm gear drive roller adjusting device

Technical Field

The utility model relates to a mechanical transmission technical field specifically is a worm gear transmission roller bearing adjusting device.

Background

The worm and gear structure is usually used for transmitting the motion and power between two staggered shafts; the worm wheel and the worm are equivalent to a gear and a rack in the middle plane, the worm is similar to a screw in shape, worm and gear transmission is commonly used on mechanical transmission equipment, but after long-time use, the worm wheel and the worm have certain abrasion, so that high-precision matching cannot be realized between the worm wheel and the worm, a gap exists, a transmission mechanism of the worm and gear cannot be suitable for high-precision equipment, and therefore a worm and gear transmission roller adjusting device is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a worm gear transmission roller bearing adjusting device possesses the high advantage of transmission precision, has solved the low problem of current device transmission precision.

In order to achieve the above object, the utility model provides a following technical scheme: a worm gear and worm transmission roller adjusting device comprises a transmission case, wherein through holes are formed in the top and the bottom of the transmission case, a worm is arranged in an inner cavity of each through hole, a worm wheel is meshed on the right side of the worm, a fixed block is fixedly connected to the left side of the inner cavity of the transmission case, a first spring is fixedly connected to the left side of the inner cavity of the fixed block, a connecting block is fixedly connected to the other end of the first spring, a baffle is fixedly connected to the other end of the connecting block, a bearing seat is fixedly connected to the right side of the baffle through an installation block, a mounting plate is fixedly connected to the top of the transmission case, a driving motor is arranged at the top of the mounting plate, a limiting block is fixedly connected to the bottom of the driving motor, a second spring is fixedly connected to the top of the inner cavity of the limiting block, a limiting rod is fixedly connected to the other end of the second spring, a limiting groove is fixedly connected to the top of the mounting plate, the bottom of the inner cavity of the limiting groove is fixedly connected with a clamping block.

Preferably, the top and the bottom of the baffle are both fixedly connected with pulleys, and the other side of each pulley is slidably connected with a sliding groove.

Preferably, the number of the bearing seats is two, and the axle center of each bearing seat is fixedly connected with the worm.

Preferably, the output shaft of the driving motor is fixedly connected with the top of the worm, and the top of the mounting plate is provided with a fixing hole.

Preferably, the bottom of the limiting rod is provided with a fillet, and the clamping block is triangular.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a fixed block, first spring, the connecting block, the baffle, the bearing frame, the stopper, the second spring, the cooperation of gag lever post and fixture block, first spring is in always by compression state, when worm wheel and worm produced wearing and tearing, the fit clearance that produces between worm wheel and the worm restores elastic deformation for first spring provides the space, promote the worm and slide to the worm wheel direction when first spring restores elastic deformation, thereby eliminate the fit clearance between worm wheel and the worm, improve the transmission precision, and the effect through gag lever post and fixture block, can effectively reduce the range that the vibration that produces because of driving motor work leads to the worm to rock, further improve the transmission precision, thereby reach the effect that the transmission precision is high, the problem that current device transmission precision is low is solved.

2. The utility model discloses a cooperation of pulley and spout is convenient for carry on the elasticity of guaranteeing first spring when spacing to the baffle and is fully exerted, and the shape through the design fixture block is triangle-shaped, is convenient for reset driving motor, avoids driving motor to remove to the left side.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a front sectional view of the fixing block structure of the present invention.

In the figure: 1. a transmission case; 2. a through hole; 3. a worm; 4. a worm gear; 5. a fixed block; 6. a first spring; 7. connecting blocks; 8. a baffle plate; 9. a bearing seat; 10. mounting a plate; 11. a drive motor; 12. a limiting block; 13. a second spring; 14. a limiting rod; 15. a clamping block; 16. a pulley; 17. a chute; 18. a fixing hole; 19. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a worm and gear transmission roller adjusting device comprises a transmission case 1, through holes 2 are formed in the top and the bottom of the transmission case 1, a worm 3 is arranged in an inner cavity of the through hole 2, a worm wheel 4 is meshed with the right side of the worm 3, a fixed block 5 is fixedly connected to the left side of the inner cavity of the transmission case 1, a first spring 6 is fixedly connected to the left side of the inner cavity of the fixed block 5, a connecting block 7 is fixedly connected to the other end of the first spring 6, a baffle 8 is fixedly connected to the other end of the connecting block 7, a pulley 16 is fixedly connected to the top and the bottom of the baffle 8, a sliding groove 17 is slidably connected to the other side of the pulley 16, the baffle 8 is limited by the cooperation of the pulley 16 and the sliding groove 17, the elastic force of the first spring 6 is fully exerted, and the fixture block 15 is designed to be triangular, so as to facilitate the resetting of a driving motor 11, the driving motor 11 is prevented from moving to the left side, the right side of the baffle 8 is fixedly connected with two bearing seats 9 through an installation block, the number of the bearing seats 9 is two, the axle center of each bearing seat 9 is fixedly connected with the worm 3, the top of the transmission case 1 is fixedly connected with an installation plate 10, the top of the installation plate 10 is provided with the driving motor 11, the output shaft of the driving motor 11 is fixedly connected with the top of the worm 3, the top of the installation plate 10 is provided with a fixing hole 18, the bottom of the driving motor 11 is fixedly connected with a limiting block 12, the top of the inner cavity of the limiting block 12 is fixedly connected with a second spring 13, the other end of the second spring 13 is fixedly connected with a limiting rod 14, the bottom of the limiting rod 14 is provided with a fillet, the shape of the fixture block 15 is triangular, the top of the installation plate 10 is fixedly connected with a limiting groove 19, the bottom of the inner cavity of the limiting groove 19 is fixedly connected with the fixture block 15, and the first spring 6, the second spring is fixedly connected with a fixing block 5, Connecting block 7, baffle 8, bearing frame 9, stopper 12, second spring 13, the cooperation of gag lever post 14 and fixture block 15, first spring 6 is in compressed state always, when worm wheel 4 and worm 3 produce wearing and tearing, the fit clearance that produces between worm wheel 4 and the worm 3 resumes elastic deformation for first spring 6 provides the space, first spring 6 promotes worm 3 and slides to worm wheel 4 direction when resuming elastic deformation, thereby eliminate the fit clearance between worm wheel 4 and the worm 3, improve transmission precision, and through the effect of gag lever post 14 and fixture block 15, can effectively reduce the range that leads to worm 3 to rock because of the vibration that driving motor 11 work produced, further improve transmission precision, thereby reach the effect that transmission precision is high, the problem that current device transmission precision is low is solved.

During the use, first spring 6 is in the state of being compressed always, when worm wheel 4 and worm 3 produce wearing and tearing, the fit clearance that produces between worm wheel 4 and the worm 3 provides the space for first spring 6 resumes elastic deformation, first spring 6 promotes worm 3 and slides to worm wheel 4 direction when resuming elastic deformation, thereby eliminate the fit clearance between worm wheel 4 and the worm 3, improve the transmission precision, and through the effect of gag lever post 14 and fixture block 15, can effectively reduce the range that leads to worm 3 to rock because of the vibration that driving motor 11 work produced, further improve the transmission precision, thereby reach the high effect of transmission precision.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a worm gear drive roller bearing adjusting device, includes transmission case (1), its characterized in that: the top and the bottom of the transmission case (1) are both provided with through holes (2), the inner cavity of each through hole (2) is provided with a worm (3), the right side of each worm (3) is meshed with a worm wheel (4), the left side of the inner cavity of the transmission case (1) is fixedly connected with a fixed block (5), the left side of the inner cavity of the fixed block (5) is fixedly connected with a first spring (6), the other end of the first spring (6) is fixedly connected with a connecting block (7), the other end of the connecting block (7) is fixedly connected with a baffle (8), the right side of the baffle (8) is fixedly connected with a bearing seat (9) through an installation block, the top of the transmission case (1) is fixedly connected with a mounting plate (10), the top of the mounting plate (10) is provided with a driving motor (11), the bottom of the driving motor (11) is fixedly connected with a limiting block (12), and the top of the inner cavity of the limiting block (12) is fixedly connected with a second spring (13), the other end fixedly connected with gag lever post (14) of second spring (13), the top fixedly connected with spacing groove (19) of mounting panel (10), the bottom fixedly connected with fixture block (15) of spacing groove (19) inner chamber.

2. The worm gear drive roller adjustment device of claim 1, wherein: the top and the bottom of baffle (8) are all fixedly connected with pulley (16), the opposite side sliding connection of pulley (16) has spout (17).

3. The worm gear drive roller adjustment device of claim 1, wherein: the number of the bearing seats (9) is two, and the axle center of the bearing seats (9) is fixedly connected with the worm (3).

4. The worm gear drive roller adjustment device of claim 1, wherein: the output shaft of the driving motor (11) is fixedly connected with the top of the worm (3), and the top of the mounting plate (10) is provided with a fixing hole (18).

5. The worm gear drive roller adjustment device of claim 1, wherein: the bottom of the limiting rod (14) is provided with a fillet, and the clamping block (15) is triangular.