CN218478329U

CN218478329U - Tension control device

Info

Publication number: CN218478329U
Application number: CN202222948312.8U
Authority: CN
Inventors: 李福祥; 李江龙
Original assignee: Hangzhou Aisen Decoration Materials Co ltd
Current assignee: Hangzhou Aisen Decoration Materials Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-14
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a tension control device, it includes the frame and installs in the adjustment mechanism of frame, adjustment mechanism includes first regulating wheel roller, second regulating wheel roller and drive assembly, and first regulating wheel roller and second regulating wheel roller all slide and connect in the frame, and first regulating wheel roller and second regulating wheel roller constitute the revolute pair with drive assembly respectively to make first regulating wheel roller and second regulating wheel roller be and be close to or keep away from the removal. According to the application, the strip-shaped paper passes through the first regulating wheel roller, passes through the space between the first regulating wheel roller and the second regulating wheel roller and then passes through the second regulating wheel roller, so that the contact area between the strip-shaped paper and the wheel rollers is increased, and the tension generated by the self gravity of the strip-shaped paper is reduced; and the driving assembly can drive the first regulating wheel roller and the second regulating wheel roller to move close to or away from each other, so that the surface tension of the strip-shaped paper can be regulated, and the risks of strip-shaped paper breakage and stacking are reduced.

Description

Tension control device

Technical Field

The application relates to the field of material winding and unwinding equipment, in particular to a tension control device.

Background

In modern society, production efficiency is an important factor limiting the development of companies, and rapid and efficient production is an important way to improve economic efficiency. In the paper production industry, operations such as uncoiling, transmission, coiling and the like need to be completed by means of auxiliary devices such as a roller, a winding drum and the like.

In the process of conveying and coiling the strip-shaped paper, the strip-shaped paper is conveyed by bypassing a fixed roller, the continuous change of the tension elasticity of the strip-shaped paper causes the occurrence of material breakage and material stacking, and the problem of tension control causes the material breakage and material stacking to become the main problem which limits the improvement of the production efficiency. In addition, the uncontrollable tension can cause a series of problems such as over-tightness or over-looseness of the coil stock, and the quality of the product is seriously influenced. Therefore, how to solve the problem of uncontrollable tension has become a urgent priority in the industry.

Disclosure of Invention

In order to adjust the tension of the strip paper in production and reduce the risk of material breakage and stacking, the application provides a tension control device.

The application provides a tension control device adopts following technical scheme:

the utility model provides a tension control device, includes the frame and installs in the adjustment mechanism of frame, and adjustment mechanism includes first regulating wheel roller, second regulating wheel roller and drive assembly, and first regulating wheel roller and second regulating wheel roller all slide and connect in the frame, and first regulating wheel roller and second regulating wheel roller constitute the revolute pair with drive assembly respectively to make first regulating wheel roller and second regulating wheel roller be and be close to or keep away from the removal.

By adopting the technical scheme, the strip-shaped paper passes through the space between the first regulating roller and the second regulating roller by passing through the first regulating roller and then passes through the second regulating roller, so that the contact area of the strip-shaped paper and the roller is increased, and the tension generated by the self gravity of the strip-shaped paper is reduced; and the driving assembly can drive the first regulating wheel roller and the second regulating wheel roller to move close to or away from each other, so that the surface tension of the strip-shaped paper can be regulated, and the risks of strip-shaped paper breakage and stacking are reduced.

Optionally, the driving assembly comprises a first motor, a crank and a first connecting rod, an output shaft of the first motor is connected with the crank, the crank is rotatably connected to the frame, one end of the first connecting rod and one end of the crank form a revolute pair, and the other end of the first connecting rod and one end of the first regulating wheel roller form a revolute pair.

By adopting the technical scheme, the first motor can drive the first regulating wheel roller to rotate, so that the first regulating wheel roller can slide relative to the rack, and when the distance between the first regulating wheel roller and other wheel rollers is increased, under the condition that the movement speed of the strip-shaped paper is constant, a tightening effect can be generated to increase the tension of the strip-shaped paper; when the distance between the first regulating roller and the other rollers is reduced, the tension of the strip-shaped paper can be reduced, and the strip-shaped paper can be prevented from being broken.

Optionally, the driving assembly further comprises a second connecting rod, one end of the second connecting rod and one end of the crank, which is far away from the first connecting rod, form a rotating pair, and the other end of the second connecting rod and the first regulating wheel roller form a rotating pair.

Through adopting above-mentioned technical scheme, first regulating wheel roller can remove simultaneously with the second regulating wheel roller, efficiency when improving the regulation, and the production cost of manufacture of crank connection is low, the production of being convenient for.

Optionally, the rack is provided with a guide mechanism, the guide mechanism includes a guide frame and a plurality of guide wheels, the guide frame is rotatably connected with the rack, the guide wheels are rotatably connected with the guide frame, and the guide wheels are abutted to the second regulating wheel rollers.

By adopting the technical scheme, the guide wheel can adjust the strip-shaped paper which bypasses the second regulating wheel roller, on one hand, the strip-shaped paper can be squeezed to be attached to the second regulating wheel roller, on the other hand, when the strip-shaped paper forms wrinkles, the wrinkles can be guided towards two sides, and the flatness of the strip-shaped paper is kept.

Optionally, the frame is further provided with an input wheel roller, and two ends of the input wheel roller are rotatably connected with the frame.

Through adopting above-mentioned technical scheme, the input wheel roller can cooperate with first regulating wheel roller, plays preliminary pretension's effect to the banding paper before getting into adjustment mechanism, and tension is less and the condition that produces the fold produces when preventing banding paper from crossing the first regulating wheel roller of winding.

Optionally, the frame is further connected with a second motor and a winding wheel roller, the second motor is installed on one side of the frame, an output shaft of the second motor is connected with the winding wheel roller, and the winding wheel roller is rotatably connected with the frame.

Through adopting above-mentioned technical scheme, the second motor can drive the winding wheel roller and rotate for banded paper can twine the winding wheel roller and realize the rolling, passes adjustment mechanism for banded paper simultaneously and provides power.

Optionally, the frame is provided with a detection wheel roller and a tension sensor, two ends of the detection wheel roller are respectively rotatably connected with the frame, the tension sensor is installed on one side of the detection wheel roller, and the tension sensor is electrically connected with the first motor.

By adopting the technical scheme, the tension of the strip paper passing through the inspection wheel roller can be checked to control the distance between the first regulating wheel roller and the second regulating wheel roller, so that the tension of the strip paper is in a preset range, and the risk of stacking or breaking of the strip paper is reduced.

Optionally, the rotation axis of the detection wheel roller, the rotation axis of the first regulating wheel roller and the rotation axis of the second regulating wheel roller are parallel to each other.

Through adopting above-mentioned technical scheme for during banded paper detours first regulating wheel roller, second regulating wheel roller and detection wheel roller, make banded paper can be stable smooth pass adjustment mechanism, prevent that banded paper from producing the fold towards one side skew.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the contact area of the strip-shaped paper and the roller is increased, the tension generated by the self gravity of the strip-shaped paper is reduced, the driving assembly can drive the first regulating roller and the second regulating roller to move close to or away from each other, the surface tension of the strip-shaped paper can be regulated, and the risk of strip-shaped paper breakage and stacking is reduced;

2. when the distance between the first regulating roller and other rollers is increased, under the condition that the movement speed of the strip-shaped paper is constant, the tensioning effect can be generated to increase the tension of the strip-shaped paper; when the distance between the first regulating roller and other rollers is reduced, the tension of the strip-shaped paper can be reduced, and the strip-shaped paper is prevented from being broken;

3. the guide wheel can adjust the strip-shaped paper passing around the second regulating wheel roller, on one hand, can press the strip-shaped paper to make the strip-shaped paper fit with the second regulating wheel roller, and on the other hand, can guide the folds to two sides when the strip-shaped paper forms the folds, thereby maintaining the flatness of the strip-shaped paper.

Drawings

Fig. 1 is a schematic structural view of a tension control device according to the present application.

Fig. 2 is a schematic cross-sectional view of a tension control device of the present application.

Fig. 3 is a schematic structural diagram of an adjustment mechanism of the present application.

Description of the reference numerals: 1. a frame; 11. a chute; 2. an adjustment mechanism; 21. a first regulating roller; 22. a second regulating wheel roller; 23. a drive assembly; 231. a first motor; 232. a crank; 233. a first link; 234. a second link; 24. a slider; 25. a rotating shaft; 26. a connecting member; 3. a guide mechanism; 31. a guide frame; 32. a guide wheel; 4. an input wheel roller; 5. detecting a wheel roller; 6. a tension sensor; 7. a winding wheel roller; 8. a second motor; 9. a strip of paper.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a tension control device.

Referring to fig. 1 and 2, the tension control device comprises a frame 1, an adjusting mechanism 2 and a guiding mechanism 3, wherein the frame 1 is transversely and sequentially connected with an input wheel roller 4, the adjusting mechanism 2, a detection wheel roller 5 and a winding wheel roller 7 in a rotating mode. The device is used for transporting and winding the strip-shaped paper 9, the strip-shaped paper 9 is transported to the input wheel roller 4 from the previous process, the detection wheel roller 5 is fixedly connected with a tension sensor 6 capable of detecting the tension of the strip-shaped paper 9 in real time, the tension sensor 6 is electrically connected with the adjusting mechanism 2, so that the adjusting mechanism 2 can adjust the tension of the strip-shaped paper 9, and finally the strip-shaped paper 9 is wound by the winding wheel roller 7.

Referring to fig. 2 and 3, the adjustment mechanism 2 includes a first adjustment roller 21, a second adjustment roller 22, and a driving assembly 23, and a rotating shaft 25 is rotatably connected to each of the first adjustment roller 21 and the second adjustment roller 22. Two ends of the rotating shaft 25 are fixedly connected with a sliding block 24 respectively. The frame 1 is equipped with two and is the spout 11 of horizontal setting, and slider 24 slides along spout 11 length direction and is connected with spout 11 for first regulating wheel roller 21 and second regulating wheel roller 22 can rotate around pivot 25 when the homoenergetic moves along the length direction of spout 11. The two rotating shafts 25 are fixedly connected with a connecting piece 26, one end of the connecting piece 26 is fixedly connected with the outer wall of one end of the rotating shaft 25 close to the first motor 231, and the other end of the connecting piece is a free end.

The driving assembly 23 includes a first motor 231, a crank 232, a first link 233 and a second link 234, wherein a housing of the first motor 231 is fixedly connected to an outer wall of the frame 1, and an output shaft of the first motor 231 penetrates through the frame 1. The end of the output shaft of the first motor 231 is fixedly connected with the crank 232. One end of the first link 233 is movably hinged with one end of the crank 232, and one end of the second link 234 is movably hinged with the end of the crank 232 far away from the first link 233. The distance from the rotational axis of the first link 233 to the rotational axis of the output shaft of the first motor 231 is equal to the distance from the rotational axis of the second link 234 to the rotational axis of the output shaft of the first motor 231. The first link 233 and the second link 234 are each hingedly connected to a free end of a link 26.

The frame 1 is further connected with a guiding mechanism 3, and the guiding mechanism 3 comprises a guiding frame 31 and a guiding wheel 32. In the present embodiment, the guide frame 31 employs a U-shaped bar. The two ends of the guide frame 31 are respectively connected with the frame 1 in a rotating way, and the bottom of the guide frame 31 is arranged in parallel with the rotating axis of the second regulating wheel roller 22. The guide wheel 32 is rotatably connected to the side of the guide frame 31 facing the second regulating wheel roller 22, and the guide wheel 32 abuts against the second regulating wheel roller 22 to guide the wrinkles generated on the tape-like paper 9 to be dissipated toward both ends of the second regulating wheel roller 22.

One end of the winding roller 7 is connected with a second motor 8, the body of the second motor 8 is fixedly connected to the outer side of the frame 1, the output shaft of the second motor 8 penetrates through the frame 1 and is fixedly connected with one end of the winding roller 7, the rotating axis of the output shaft of the second motor 8 is coaxial with that of the second winding roller 7, and the second motor 8 drives the winding roller 7 to rotate so as to drive the belt-shaped movement and complete the winding process at the same time.

It should be noted that, in order to ensure that the strip-shaped paper 9 can have good contact with the respective rollers, the height of the input roller 4 is higher than that of the first regulating roller 21, the height of the second regulating roller 22 is coplanar with that of the first regulating roller 21, the height of the regulating roller is lower than that of the first regulating roller 21, and the height of the take-up roller 7 is higher than that of the regulating roller.

The implementation principle of the embodiment 1 is as follows: the belt-like paper 9 is passed around the input wheel roller 4 from the top of the input wheel roller 4, and then the belt-like paper 9 is passed around the bottom of the first regulating wheel roller 21, then passed around the top of the second regulating wheel roller 22, passed around the bottom of the regulating wheel roller, and finally passed around the top of the take-up wheel roller 7 to be taken up by the take-up wheel roller 7.

When the tension sensor 6 detects that the tension of the strip-shaped paper 9 is greater than the preset threshold, the first motor 231 rotates the crank 232, so that the first link 233 and the second link 234 rotate in opposite directions, and the first regulating wheel roller 21 and the second regulating wheel roller 22 are forced to approach each other along the length direction of the chute 11. The distance between the first regulating roller 21 and the second regulating roller 22 becomes smaller, thereby reducing the tension of the band-shaped paper 9 and reducing the risk of the band-shaped paper 9 being torn due to excessive tension.

When the tension sensor 6 detects that the belt-like tension is smaller than the preset threshold, the first motor 231 drives the crank 232 to rotate in the opposite direction, so that the first link 233 and the second link 234 rotate in the opposite directions, and the first regulating roller 21 and the second regulating roller 22 are forced to move away from each other along the length direction of the chute 11. The interval between the first regulating wheel roller 21 and the second regulating wheel roller 22 becomes large, thereby increasing the tension of the band-shaped paper 9 and reducing the risk of stacking of the band-shaped paper 9.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A tension control device, characterized by: including frame (1) and install in adjustment mechanism (2) of frame (1), adjustment mechanism (2) include first regulating wheel roller (21), second regulating wheel roller (22) and drive assembly (23), first regulating wheel roller (21) and second regulating wheel roller (22) all slide and connect in frame (1), first regulating wheel roller (21) and second regulating wheel roller (22) constitute the revolute pair with drive assembly (23) respectively to make first regulating wheel roller (21) and second regulating wheel roller (22) be and be close to or keep away from the removal.

2. The tension control device of claim 1, wherein: drive assembly (23) include first motor (231), crank (232), first connecting rod (233), the output shaft and the crank (232) of first motor (231) are connected, crank (232) rotate to be connected in frame (1), the one end of first connecting rod (233) and the one end of crank (232) constitute the revolute pair, the other end of first connecting rod (233) and the one end of first regulating wheel roller (21) constitute the revolute pair.

3. The tension control device of claim 2, wherein: the driving assembly (23) further comprises a second connecting rod (234), one end of the second connecting rod (234) and one end, far away from the first connecting rod (233), of the crank (232) form a rotating pair, and the other end of the second connecting rod (234) and the second adjusting roller form a rotating pair.

4. The tension control device according to claim 1, wherein: the frame (1) is provided with a guide mechanism (3), the guide mechanism (3) comprises a guide frame (31) and a plurality of guide wheels, the guide frame (31) is rotatably connected with the frame (1), the guide wheels are rotatably connected with the guide frame (31), and the guide wheels are abutted to the second regulating wheel rollers (22).

5. The tension control device of claim 1, wherein: the frame (1) is also provided with an input wheel roller (4), and the two ends of the input wheel roller (4) are rotatably connected with the frame (1).

6. The tension control device according to claim 1, wherein: frame (1) still is connected with second motor (8) and take-up pulley roller (7), one side in frame (1) is installed in second motor (8), the output shaft of second motor (8) and the being connected of take-up pulley roller (7), take-up pulley roller (7) rotate with frame (1) and are connected.

7. The tension control device of claim 1, wherein: frame (1) is equipped with and detects round roller (5) and tension sensor (6), it rotates with frame (1) respectively to detect round roller (5) both ends and is connected, tension sensor (6) are installed in the one side that detects round roller (5), tension sensor (6) are connected with first motor (231) electricity.

8. The tension control device of claim 7, wherein: the rotation axis of the detection wheel roller (5), the rotation axis of the first regulating wheel roller (21) and the rotation axis of the second regulating wheel roller (22) are parallel to each other.