CN219193937U

CN219193937U - Tension adjusting mechanism

Info

Publication number: CN219193937U
Application number: CN202223540770.4U
Authority: CN
Inventors: 张挪; 符振辉; 朱克非
Original assignee: Shanghai Yuzhuo Intelligent Control Technology Co ltd
Current assignee: Shanghai Yuzhuo Intelligent Control Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-16
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a tension adjusting mechanism, which comprises a wallboard, wherein a paper guiding roller, a paper pressing roller and a balancing weight which are mutually parallel are rotationally connected to the wallboard; the paper guiding roller and the paper pressing roller surface are arranged on the lower side of the front surface of the wallboard in a pasting manner, wherein the paper guiding roller and an output shaft of the motor are coaxially fixed; the balancing weight is rotationally connected to the upper side of the front face of the wallboard through the rotating shaft, an angle encoder for detecting the rotating angle of the balancing weight on the rotating shaft is installed between the balancing weight and the rotating shaft, and one end of the balancing weight is rotationally connected with the compensating roller. In the structure of the utility model, the rotating balancing weight is arranged on the existing cigarette paper supply route to support the cigarette paper, the tension of the cigarette paper is balanced by utilizing the weight of the balancing weight, the rotating speed of the paper guiding roller is controlled by monitoring the rotating angle of the balancing weight, and the tension adjustment of the cigarette paper is completed by matching with the balancing weight, so that the stability of the tension adjustment in the cigarette paper supply process is ensured.

Description

Tension adjusting mechanism

Technical Field

The utility model belongs to the technical field of tension adjustment, and particularly relates to a tension adjustment mechanism.

Background

In the production and operation process of the cigarette making machine, cigarette paper is influenced by various factors such as materials, transmission speed change, adjustment or abrasion of a transmission mechanism and the like, so that the tension of the cigarette paper can be changed, the forming quality of cigarettes is influenced by a light change of the tension of the cigarette paper, the machine is stopped when the cigarette paper is heavy, the waste of the cigarette materials is brought, the labor intensity of operators is increased, the production efficiency of the machine is seriously influenced, and the cigarette paper tension adjusting mechanism is designed for the cigarette making machine.

The existing cigarette paper force adjusting mechanism is of a differential gear box structure, the power of the main transmission of a cigarette machine is converted into the speed required by a paper guiding roller through a secondary transmission gear box, the output of the secondary transmission gear box drives a belt pulley of the differential gear box through a synchronous belt pulley, so that the paper guiding roller is driven to rotate, when the running linear speed of cigarette paper is asynchronous with the running speed of a cigarette strip, the tension of the cigarette paper is changed, when the paper force is excessively changed, a differential motor is started to drive the differential gear box to rotate through a rotating gear, so that the rotating speed of the paper guiding roller is increased or reduced by 3r/min, and although the tension adjustment of the cigarette paper can be realized through the mode;

but has the following problems: the cigarette paper has certain floatability when being supplied, the tension of the cigarette paper can be ensured by continuously adjusting the linear speed of the operation of the cigarette paper, the adjusting motor needs to frequently start, accelerate, uniformly speed, decelerate and stop processes, and the driving gear is vibrated and impacted due to the fact that the acceleration and the deceleration are large, so that the operation stability is poor, when the paper force variation is large, the tension requirement cannot be met even though the paper force variation is always adjusted, paper breakage occurs even when the speed variation is too fast, and the tension stability control cannot be realized at all.

How to design a tension adjusting mechanism and how to increase the stability of tension adjustment during cigarette paper feeding becomes an urgent problem to be solved.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a tension adjusting mechanism for solving the problem of unstable tension adjustment during feeding of cigarette paper in the prior art.

In order to achieve the above purpose, the utility model provides a tension adjusting mechanism, which comprises a wallboard, wherein the wallboard is rotationally connected with a paper guiding roller, a paper pressing roller and a balancing weight which are mutually parallel;

the paper guiding roller and the paper pressing roller surface are arranged on the lower side of the front surface of the wallboard in a pasting manner, wherein the paper guiding roller and an output shaft of the motor are coaxially fixed;

the balancing weight is rotationally connected to the upper side of the front face of the wallboard through the rotating shaft, an angle encoder for detecting the rotating angle of the balancing weight on the rotating shaft is installed between the balancing weight and the rotating shaft, and one end of the balancing weight is rotationally connected with the compensating roller.

By adopting the technical scheme: the method comprises the steps that a balancing weight is arranged on a feeding route of the cigarette paper, the tension of the cigarette paper is balanced by utilizing the gravity of the balancing weight, and the floating of the cigarette paper in a certain range in the feeding process can be automatically neutralized in real time through the rotation of the balancing weight, so that the tension of the cigarette paper is in a relatively stable state; the rotating shaft of the balancing weight is provided with an angle encoder for monitoring the rotating angle of the balancing weight, an angle signal can be fed back to the controller in real time through the angle encoder, and then the controller controls the rotating speed of the motor output shaft for driving the paper guiding roller to rotate, so that the tension between the paper guiding roller and the paper pressing roller between the existing traction roller is changed, and the situation that the rotating angle of the balancing weight is too large to lose effect is avoided; the two mutually matched components can increase the stability of the cigarette paper in the feeding process, and avoid the problems of overtightening fracture or overtightening strip running of the cigarette paper.

In an embodiment of the utility model, the paper guiding roller is fixed at one end of a transmission shaft, and the other end of the transmission shaft is coaxially fixed with an output shaft of the motor;

by adopting the technical scheme: the paper guiding roller and the motor output shaft are coaxially fixed through the transmission shaft, and a precondition is provided for improving the rotation stability of the paper guiding roller.

In an embodiment of the utility model, the shaft body of the transmission shaft is fixed with the inner ring of the bearing, the outer ring of the bearing is fixed with the inner wall of the outer casing, and the outer casing is fixed on the motor;

by adopting the technical scheme: the rotation stability of the transmission shaft is increased by arranging the bearing, so that the rotation stability of the paper guiding roller is increased, and the tension adjustment control precision is further increased.

In an embodiment of the present utility model, the compensating roller and the platen roller are parallel to each other;

by adopting the technical scheme: ensure that the cigarette paper bypassed by the platen roller can bypass the compensating roller in a proper way.

In an embodiment of the utility model, a paper guiding roller is rotatably connected to the middle part of the wallboard, and the paper guiding roller and the compensating roller are parallel to each other;

by adopting the technical scheme: the guide roller is arranged to guide the cigarette paper, so that the compensation roller can support the cigarette paper to cooperate with the balancing weight to realize the automatic regulation of the cigarette paper force.

Advantageous effects

In the structure, the rotating balancing weight is arranged on the existing cigarette paper supply route to support the cigarette paper, the tension of the cigarette paper is balanced by the weight of the balancing weight, the rotating speed of the paper guiding roller is controlled by monitoring the rotating angle of the balancing weight, and the tension adjustment of the cigarette paper is completed by matching with the balancing weight, so that the stability of the tension adjustment in the cigarette paper supply process is ensured; the popularization and application have good economic benefit and social benefit.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a schematic view of the connection of the paper guiding roller of the present utility model.

FIG. 3 is a schematic drawing of a paper guide of the present utility model.

In the figure: 1. a wallboard; 2. a paper guiding roller; 21. a motor; 22. an outer casing; 23. a transmission shaft; 24. a bearing; 3. a platen roller; 4. a compensation roller; 5. balancing weight; 6. a paper guide roller; 7. and (3) rotating the shaft.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1 to 3, the present utility model provides a tension adjusting mechanism comprising a wall plate 1 as a connection base surface, wherein the wall plate 1 is rotatably connected with a paper guiding roller 2, a paper pressing roller 3 and a balancing weight 5 which are mutually parallel; the roller surfaces of the paper guiding roller 2 and the paper pressing roller 3 are arranged on the lower side of the front surface of the wallboard 1 in a pasting way, wherein the paper guiding roller 2 and an output shaft of the motor 21 are coaxially fixed, the paper pressing roller 3 can be driven to rotate by driving the paper guiding roller 2 to rotate, so that the clamping and conveying of the cigarette paper are performed, and the tension of the cigarette paper between the paper guiding roller 2 and the paper pressing roller can be adjusted by controlling the conveying speed and the rotating speed between the existing traction rollers; the balancing weight 5 is rotationally connected on the front upper side of the wallboard 1 through the rotation shaft 7, the balancing weight 5 can rotate along the rotation shaft 7, precondition is provided for tension self-adaptation adjustment of cigarette paper, install the angle encoder who is used for detecting the rotation angle of balancing weight 5 on the rotation shaft 7 between balancing weight 5 and the rotation shaft 7, through setting up the rotation angle of angle encoder real-time supervision balancing weight 5, can feed back the controller with the angle signal in real time through the angle encoder, the rotation rate of the motor 21 output shaft of the rotation of the drive paper leading roller 2 of controller control again, and then change the tension between the paper leading roller 2 and the existing dancer roller, avoid balancing weight 5 rotation angle too big to lose the effect, one end rotation of balancing weight 5 is connected with the compensation roller 4 that is used for supporting cigarette paper, ensure that the weight of balancing weight 5 can play the effect of adjusting cigarette paper.

The paper guiding roller 2 is fixed at one end of the transmission shaft 23, the other end of the transmission shaft 23 is coaxially fixed with the output shaft of the motor 21, the coaxial fixation of the paper guiding roller 2 and the output shaft of the motor 21 is realized through the transmission shaft 23, and a precondition is provided for improving the rotation stability of the paper guiding roller 2;

the shaft body of the transmission shaft 23 is fixed with the inner ring of the bearing 24, the outer ring of the bearing 24 is fixed with the inner wall of the outer protective cylinder 22, the outer protective cylinder 22 is fixed on the motor 21, and the rotation stability of the transmission shaft 23 is increased by arranging the bearing 24, so that the rotation stability of the paper guiding roller 2 is increased, and the tension adjustment control precision is further increased.

The tension adjusting mechanism can be used for adjusting the tension of the cigarette paper, and when the tension adjusting mechanism is specifically implemented, the cigarette paper passes through the space between the paper guiding roller 2 and the paper pressing roller 3, then bypasses the compensation roller 4 from the upper part, bypasses the paper guiding roller 6 from the lower part, and finally is connected with the existing traction roller; in the cigarette paper feeding process, when the tension of the cigarette paper is overlarge, one end of the balancing weight 5 provided with the compensation roller 4 is pressed downwards to adapt, meanwhile, the rotation angle of the balancing weight 5 is monitored through the angle encoder, when the rotation angle of the balancing weight 5 is overlarge and is not enough to continuously adjust the tension, the rotation speed of the motor 21 is increased, the cigarette paper between the paper guiding roller 2 and the existing traction roller can be loosened, and the automatic adjustment of the tension is continuously carried out through the balancing weight 5; when the tension of the cigarette paper is too small, one end of the balancing weight 5 provided with the compensation roller 4 is lifted and adapted, and meanwhile, the rotation angle of the balancing weight 5 is monitored through the angle encoder, when the rotation angle of the balancing weight 5 is too large to continuously adjust the tension, the rotation speed of the motor 21 is reduced, the cigarette paper between the paper guiding roller 2 and the existing traction roller is tightened, and the automatic adjustment of the tension is continuously carried out through the balancing weight 5.

In summary, the present utility model provides a tension adjusting mechanism, in which a rotating balancing weight 5 is disposed on an existing cigarette paper supply path to support the cigarette paper, the weight of the balancing weight 5 is used to balance the tension of the cigarette paper, the rotation angle of the balancing weight 5 is monitored to control the rotation speed of a paper guiding roller 2, and tension adjustment of the cigarette paper is completed in cooperation with the balancing weight 5, so that the stability of tension adjustment in the cigarette paper supply process is ensured; the popularization and application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A tension adjustment mechanism comprising a wall panel (1), characterized in that: the wallboard (1) is rotationally connected with a paper guiding roller (2), a paper pressing roller (3) and a balancing weight (5) which are mutually parallel;

the roller surfaces of the paper guiding roller (2) and the paper pressing roller (3) are arranged on the lower side of the front surface of the wallboard (1) in a pasting way, wherein the paper guiding roller (2) and an output shaft of the motor (21) are coaxially fixed;

the balancing weight (5) is rotationally connected to the upper side of the front face of the wallboard (1) through a rotating shaft (7), an angle encoder for detecting the rotating angle of the balancing weight (5) on the rotating shaft (7) is installed between the balancing weight (5) and the rotating shaft (7), and one end of the balancing weight (5) is rotationally connected with the compensating roller (4).

2. A tension adjustment mechanism as recited in claim 1, wherein: the paper guiding roller (2) is fixed at one end of a transmission shaft (23), and the other end of the transmission shaft (23) is coaxially fixed with an output shaft of the motor (21).

3. A tension adjustment mechanism as recited in claim 2, wherein: the shaft of the transmission shaft (23) is fixed with the inner ring of the bearing (24), the outer ring of the bearing (24) is fixed with the inner wall of the outer casing (22), and the outer casing (22) is fixed on the motor (21).

4. A tension adjustment mechanism as recited in claim 1, wherein: the compensating roller (4) is parallel to the platen roller (3).

5. A tension adjustment mechanism as recited in claim 1, wherein: the middle part of wallboard (1) rotates and is connected with guide roll (6), guide roll (6) are parallel to each other with compensation roll (4).