CN220727022U

CN220727022U - Toothed belt tension adjusting device

Info

Publication number: CN220727022U
Application number: CN202322600636.7U
Authority: CN
Inventors: 杨鲁康; 吴英刚; 程军民; 陈力浩; 杨忠
Original assignee: Gansu Tobacco Industrial Co ltd
Current assignee: Gansu Tobacco Industrial Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-05
Anticipated expiration: 2033-09-25

Abstract

The utility model provides a toothed belt tension adjusting device which comprises a mounting plate, a first belt pulley, a second belt pulley and a tensioning wheel, wherein the first belt pulley and the second belt pulley are respectively and rotatably mounted on the mounting plate, a tensioning groove is formed in the mounting plate, the tensioning wheel is arranged in the tensioning groove, and the tensioning wheel is connected with the tensioning device. According to the utility model, the sliding block is driven to move and slide by rotating the adjusting nut, and moves in the tensioning groove to drive the tensioning wheel to move, so that the tension of the toothed belt is accurately adjusted by the tensioning wheel, and the problem that the existing device lacks a tension adjusting device and cannot conveniently adjust the tension in the conveying process of the toothed belt is solved.

Description

Toothed belt tension adjusting device

Technical Field

The utility model relates to the technical field of toothed belts, in particular to a toothed belt tension adjusting device.

Background

The synchronous toothed belt is called as synchronous belt for short, which is similar to common V belt, flat belt and other belt driving modes and is one kind of flexible driving mode. The synchronous toothed belt takes a steel wire rope or a glass fiber rope as a strong layer, polyurethane or chloroprene rubber is coated outside the synchronous toothed belt, and the inner Zhou Zhicheng tooth shape of the belt is meshed with a toothed belt wheel. The strong layer has small deformation after bearing and can keep the circumference of the toothed belt unchanged, so that the belt and the belt wheel do not slide relatively, thereby ensuring synchronous transmission and constant transmission ratio.

The synchronous belt is used for transmitting torque and speed, and accurate transmission and positioning can be realized through gear engagement of the synchronous belt. In the working process, the toothed belt needs to keep certain tension, the tension of the toothed belts with different thickness and sizes and different materials is different when the toothed belts are conveyed, the tension is too large to cause the toothed belt to be stretched, the conveying resistance is large, and the tension is too small to cause the toothed belt to be loosened and loose. In the prior art, a tension adjusting device is absent in the toothed belt equipment, so that tension in the conveying process of the toothed belt cannot be adjusted conveniently.

Disclosure of Invention

The utility model aims to provide a toothed belt tension adjusting device, which solves the problem that the existing device lacks a tension adjusting device and cannot conveniently adjust the tension in the conveying process of the toothed belt.

According to the purpose of the utility model, the toothed belt tension adjusting device comprises a mounting plate, a first belt pulley, a second belt pulley and a tensioning wheel, wherein the first belt pulley and the second belt pulley are respectively and rotatably mounted on the mounting plate, a tensioning groove is formed in the mounting plate, the tensioning wheel is arranged in the tensioning groove, and the tensioning wheel is connected with the tensioning device.

Further, the tension groove is located on a midpoint of a line connecting the first pulley and the second pulley.

Further, the tensioning device comprises an adjusting screw rod arranged in the tensioning groove, two ends of the adjusting screw rod are rotationally connected to the side walls of the mounting plates at the front end and the rear end of the tensioning groove, an adjusting nut is connected to the outer surface of the adjusting screw rod in a threaded mode, a sliding block is fixedly connected to the adjusting nut, the sliding block is arranged in the tensioning groove in a sliding mode, and the tensioning wheel is rotationally connected to the top of the sliding block.

Further, a sliding hole for the penetration of the adjusting screw is formed in the sliding block, and the adjusting screw penetrates through the sliding hole and is in sliding connection with the inner wall of the sliding block.

Further, a spring is arranged on one side, away from the adjusting nut, of the sliding block, one end of the spring is connected with the sliding block, the other end of the spring is connected with the inner wall of the mounting plate at one end of the tensioning groove, and the spring is sleeved on the outer surface of the adjusting screw.

Further, the anti-deflection device also comprises two anti-deflection wheels, wherein the two anti-deflection wheels are respectively positioned between the first belt wheel and the second belt wheel.

Further, the mounting plate is rotatably connected with two bases, and the anti-deflection wheel is rotatably connected with the bases.

Further, a rotating shaft is fixed on the base, and the anti-deflection wheel is connected to the rotating shaft.

Further, the bottom of preventing the round is rotated and is connected with first limiting plate, the upper portion of preventing the round is equipped with the screw thread, the upper portion of preventing the round is connected with the thread bush through the screw thread, the thread bush outside is fixed with the second limiting plate.

Further, the first limiting plate is in sliding connection with the upper surface of the base.

According to the technical scheme, the sliding block is driven to move and slide by rotating the adjusting nut, the sliding block moves in the tensioning groove to drive the tensioning wheel to move, and further, the tension of the toothed belt is accurately adjusted by the tensioning wheel, so that the problem that the existing device lacks a tension adjusting device and cannot conveniently adjust the tension in the conveying process of the toothed belt is solved.

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 needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a base and an anti-yaw wheel according to an embodiment of the present utility model;

in the figure: 1. a mounting plate; 2. a first pulley; 3. a second pulley; 4. a base; 5. an anti-deflection wheel; 6. a tensioning wheel; 7. a tensioning groove; 8. adjusting a screw; 9. an adjusting nut; 10. a toothed belt; 11. a slide block; 12. a spring; 13. a rotating shaft; 14. a first limiting plate; 15. a thread sleeve; 16. and the second limiting plate.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in figures 1-3 of the drawings,

the utility model provides a toothed belt tension adjusting device, includes mounting panel 1, first band pulley 2, second band pulley 3 and take-up pulley 6, and first band pulley 2 and second band pulley 3 rotate respectively and install on mounting panel 1, have seted up tensioning groove 7 on the mounting panel 1, are equipped with take-up pulley 6 in the tensioning groove 7, and take-up pulley 6 is connected with overspeed device tensioner, can adjust take-up pulley 6 and reciprocate in tensioning groove 7 through overspeed device tensioner. The toothed belt 10 is mounted around the first pulley 2, the second pulley 3 and the tension pulley 6 in sequence, and can be tensioned by adjusting the position of the tension pulley 6.

In this embodiment, the tensioning groove 7 is located on a middle vertical line of the connecting line of the first pulley 2 and the second pulley 3, and the tensioning groove 7 can be matched with the tensioning device to conveniently adjust the tensioning wheel 6.

Specifically, the tensioning device comprises an adjusting screw rod 8 arranged in the tensioning groove 7, and two ends of the adjusting screw rod 8 are rotatably connected to the side walls of the mounting plate 1 at the front end and the rear end of the tensioning groove 7. The surface threaded connection of adjusting screw 8 has adjusting nut 9, fixedly connected with slider 11 on the adjusting nut 9, and slider 11 slip sets up in tensioning groove 7, and the slide hole that is used for adjusting screw 8 to run through is offered to slider 11 inside, and adjusting screw 8 runs through the slide hole on the slider 11 and the inner wall sliding connection of slider, and take-up pulley 6 rotates the top of connection at slider 11. The adjusting screw 8 can be rotated to drive the adjusting nut 9 and the sliding block 11 to move along the tensioning groove 7, so that the tensioning wheel 6 fixed on the sliding block 11 is driven to move back and forth. When the sliding block 11 slides in the tensioning groove 7, the sliding block 11 is limited through the tensioning groove 7, so that the tensioning wheel 6 is prevented from shaking and deflecting in the moving process.

In order to improve the accurate control to the tension adjustment of toothed belt, be provided with spring 12 in the opposite side of slider 11, the one end and the slider 11 of spring 12 are connected, the other end of spring 12 is connected with the mounting panel 1 inner wall of tensioning groove 7 one end, the surface at adjusting screw 8 is established to the spring 12 cover, when driving slider 11 through rotating adjusting screw 8 and remove in tensioning groove 7, slider 11 compression spring 12, spring 12 self elasticity promotes slider 11, support slider 11, slider 11 removes and drives take-up pulley 6 and move down, and then carry out accurate regulation to the tension of toothed belt.

In this embodiment, the belt tensioning device further includes two anti-deflection wheels 5, the two anti-deflection wheels 5 are respectively located between the first belt wheel 2 and the second belt wheel 3, and toothed belts wound around the front side and the rear side of the tensioning wheel 6 are respectively wound around the anti-deflection wheels 5 and then wound around the first belt wheel 2 or the second belt wheel 3. The toothed belt is prevented from being deflected during operation by the deflection preventing wheel 5.

Specifically, be connected with two bases 4 on the mounting panel 1 rotation, be fixed with pivot 13 on the base 4, prevent that the round 5 rotation of partially is connected on pivot 13, prevent the bottom of round 5 to rotate and be connected with first limiting plate 14, the upper surface sliding connection of first limiting plate 14 and base 4, the upper portion of preventing the round 5 is equipped with the screw thread, the upper portion of preventing the round 5 is through threaded connection having thread bush 15, the thread bush 15 outside is fixed with second limiting plate 16, the height on preventing the round 5 can be adjusted through the screw thread to thread bush 15, thereby adjust the distance between second limiting plate 16 and the first limiting plate 14, thereby adapt to the toothed belt 10 of different width, carry out spacingly to toothed belt 10 through first limiting plate 14 and second limiting plate 16, avoid the toothed belt to appear the skew in-process of moving.

According to the utility model, the adjusting nut 9 is rotated to drive the sliding block 11 to move and slide, the sliding block moves in the tensioning groove 7 to drive the tensioning wheel to move, and the tension of the toothed belt 10 is precisely adjusted through the tensioning wheel, so that the problem that the existing device lacks a tension adjusting device and cannot conveniently adjust the tension in the conveying process of the toothed belt is solved.

According to the utility model, the height of the thread bush 15 on the anti-deflection wheel 5 is adjusted by rotating the thread bush, so that the distance between the second limiting plate and the first limiting plate is adjusted, the toothed belt with different widths is adapted, and the toothed belt is limited by the first limiting plate and the second limiting plate, so that deflection in the running process of the toothed belt is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a tooth belt tension adjusting device, its characterized in that includes mounting panel, first band pulley, second band pulley and take-up pulley, first band pulley with the second band pulley rotates respectively and installs on the mounting panel, the tensioning groove has been seted up on the mounting panel, be equipped with in the tensioning groove take-up pulley, take-up pulley is connected with overspeed device tensioner.

2. The toothed belt tension adjustment device of claim 1, wherein the tension groove is located on a midpoint of a line connecting the first pulley and the second pulley.

3. The toothed belt tension adjusting device according to claim 1, wherein the tensioning device comprises an adjusting screw rod arranged in the tensioning groove, two ends of the adjusting screw rod are rotatably connected to side walls of the mounting plates at the front end and the rear end of the tensioning groove, an adjusting nut is in threaded connection with the outer surface of the adjusting screw rod, a sliding block is fixedly connected to the adjusting nut, the sliding block is slidably arranged in the tensioning groove, and the tensioning wheel is rotatably connected to the top of the sliding block.

4. The toothed belt tension adjusting device according to claim 3, wherein a sliding hole for the adjusting screw to penetrate is formed in the slider, and the adjusting screw penetrates through the sliding hole and is in sliding connection with the inner wall of the slider.

5. The toothed belt tension adjusting device according to claim 3, wherein a spring is arranged on one side of the slider away from the adjusting nut, one end of the spring is connected with the slider, the other end of the spring is connected with the inner wall of the mounting plate at one end of the tensioning groove, and the spring is sleeved on the outer surface of the adjusting screw.

6. The toothed belt tension adjustment device of claim 1, further comprising two anti-deflection wheels, two of the anti-deflection wheels being located between the first pulley and the second pulley, respectively.

7. The toothed belt tension adjustment device of claim 6, wherein two bases are rotatably connected to the mounting plate, and the anti-deflection wheel is connected to the bases.

8. The toothed belt tension adjustment device of claim 7, wherein a rotating shaft is fixed to the base, and the anti-deflection wheel is connected to the rotating shaft.

9. The toothed belt tension adjusting device according to claim 8, wherein the bottom of the anti-deflection wheel is rotatably connected with a first limiting plate, the upper part of the anti-deflection wheel is provided with threads, the upper part of the anti-deflection wheel is connected with a thread bush through threads, and a second limiting plate is fixed on the outer side of the thread bush.

10. The toothed belt tension adjustment device of claim 9, wherein the first limiting plate is slidably coupled to the upper surface of the base.