CN219341155U - Constant tension winding device - Google Patents

Abstract

The utility model discloses a constant tension reeling device which is used for enabling a reeling section of a paper machine to keep constant tension and comprises a frame, a driving mechanism, a tension arm, a pinch roller, a reeling shaft, a reeling cylinder and a control system, wherein the tension arm is connected with the driving mechanism through a first positioning piece, the pinch roller is arranged at the top end of the tension arm so as to transmit torque of the driving mechanism to the pinch roller, the reeling shaft is abutted with the pinch roller, the reeling shaft is arranged corresponding to the reeling cylinder, the reeling shaft is used for providing a horizontal force for a paper roll arranged on the reeling shaft so that the paper roll is tightly attached to the reeling cylinder, and the driving mechanism is arranged on the frame and is used for driving the tension arm and the pinch roller to move. The constant-tension winding device is simple in structure, the tension can be controlled through the control system, meanwhile, the constant tension can be kept, the labor intensity of workers is reduced, the control method is simple, the change of the tension of a paper roll is avoided, and the influence on subsequent processing is reduced.

Description

Constant tension winding device

Technical Field

The utility model relates to the field of paper machine tension devices, in particular to a constant-tension winding device.

Background

Tension control refers to a technique of automatically controlling tension to which a material to be processed is subjected, which is stationary or continuously moving between two processing apparatuses. Traditional tension control is generally applied to industries such as papermaking, printing, packaging, textile printing and dyeing and the like.

Most of the existing tension devices realize the purpose of adjusting tension by controlling the rotating speed of the tension guide roller, but the mode is high in control difficulty, workers monitor in real time, time and labor are consumed, and the tension of the paper roll is changed under the condition of constant pressure of a driver, so that the subsequent processing is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a constant-tension winding device.

The technical scheme adopted for solving the technical problems is as follows: a constant tension reeling device is constructed for keeping a constant tension in a reeling section of a paper machine and comprises a frame, a driving mechanism, a tension arm, a pinch roller, a reeling shaft, a reeling cylinder and a control system;

the tension arm is connected with the driving mechanism through a first positioning piece, and the top end of the tension arm is provided with the pinch roller so as to transmit the torque of the driving mechanism to the pinch roller;

the paper winding shaft is in abutting connection with the pressing wheel, the paper winding shaft is arranged corresponding to the paper winding cylinder, and the paper winding shaft is used for providing a horizontal force for a paper roll arranged on the paper winding shaft, so that the paper roll is tightly attached to the paper winding cylinder;

the driving mechanism is arranged on the frame and used for driving the tension arm and the pinch roller to move, and the control system controls the torque value output by the driving mechanism to be a fixed value so as to realize constant tension between the paper roll and the paper winding cylinder.

In some embodiments, the control system further comprises an angle sensor provided on the tension arm for detecting the swing angle of the tension arm.

In some embodiments, the drive mechanism further has a control valve connected to control the output pressure of the drive mechanism.

In some embodiments, the drive mechanism is an electric drive, a hydraulic drive, or a pneumatic drive.

In some embodiments, the constant tension reeling device further comprises a synchronous compression assembly, the synchronous compression assembly comprises a second positioning piece, a synchronous rod and a connecting piece, one end of the synchronous rod is connected with the tension arm through the second positioning piece, the other end of the synchronous rod is hinged with the connecting piece, and the connecting piece is hinged to the frame.

In some embodiments, the constant tension reeling device further comprises a front pressing component, wherein the front pressing component comprises a front pressing arm arranged on the tension arm, and a first front pressing wheel and a second front pressing wheel which are respectively arranged at two ends of the front pressing arm.

In some embodiments, the first front pinch roller and the second front pinch roller are both rotatably connected to the front pinch arm.

In some embodiments, the bottom end of the tension arm is further provided with a mounting seat, and a plurality of mounting holes are formed in the mounting seat.

In some embodiments, the tension arm top is provided with a relief groove that relieves the spool.

In some embodiments, the pinch roller is rotatably coupled to the tension arm via a rotational shaft.

The implementation of the utility model has the following beneficial effects: the constant-tension winding device is simple in structure, the tension can be controlled through the control system, meanwhile, the constant tension can be kept, the labor intensity of workers is reduced, the control method is simple, the change of the tension of a paper roll is avoided, and the influence on subsequent processing is reduced.

Drawings

In order to more clearly illustrate the technical solution of the present utility model, the following description will be given with reference to the accompanying drawings and examples, it being understood that the following drawings only illustrate some examples of the present utility model and should not be construed as limiting the scope, and that other related drawings can be obtained from these drawings by those skilled in the art without the inventive effort. In the accompanying drawings:

FIG. 1 is a schematic illustration of a constant tension reel-up in accordance with some embodiments of the present utility model.

Fig. 2 is a schematic view of a tension arm in some embodiments of the utility model.

Fig. 3 is a schematic diagram of a synchronous compression assembly in some embodiments of the utility model.

Fig. 4 is a schematic structural view of a front press assembly in some embodiments of the utility model.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 4, a constant tension reel-up device according to some embodiments of the present utility model is used for maintaining a constant tension in a reel section of a paper machine, and includes a frame 1, a driving mechanism 2, a tension arm 3, a pinch roller 4, a reel spool 5, a reel cylinder 6, and a control system, wherein the tension arm 3 is connected to the driving mechanism 2 through a first positioning member 31, and the pinch roller 4 is mounted at the top end of the tension arm 3 so as to transmit the torque of the driving mechanism 2 to the pinch roller 4, the reel spool 5 abuts against the pinch roller 4, and the reel spool 5 is disposed corresponding to the reel cylinder 6, the reel spool 5 is used for providing a horizontal force to a paper roll 7 mounted on the reel spool 5 so that the paper roll 7 is tightly attached to the reel cylinder 6, the driving mechanism 2 is mounted on the frame 1 for driving the tension arm 3 and the pinch roller 4 to move, and the control system controls the torque value output by the driving mechanism 2 to be a fixed value so as to achieve a constant tension between the paper roll 7 and the reel cylinder 6.

It can be understood that the constant tension winding device has a simple structure, the tension can be controlled by the control system, and meanwhile, the constant tension can be kept, so that the labor intensity of workers is reduced, the control method is simplified, the tension change of the paper roll 7 is avoided, and the influence on subsequent processing is reduced.

The control system further comprises an angle sensor 32, the angle sensor 32 is arranged on the tension arm 3 and used for detecting the swinging angle of the tension arm 3, and the driving mechanism 2 is further connected with a control valve for controlling the output pressure of the driving mechanism 2. It will be appreciated that the angle sensor 32 can further ensure the constant horizontal tension by detecting the swing angle of the tension arm 3, and adjusting the output pressure of the driving mechanism 2 by the control valve at a set constant tension value.

Further, the driving mechanism 2 may be an electric driver, a hydraulic driver, or a pneumatic driver. In this embodiment, the driving mechanism 2 is preferably an air pressure driver, and the air pressure driver has simple principle and structure, easy installation, maintenance and use, high cost performance and sensitive output. In other embodiments, the driving mechanism 2 may be an electric driver or a hydraulic driver, where the electric driver can provide a more accurate output pressure value, and the hydraulic driver can provide a more increased output pressure value, and may be selected according to the actual situation, and is not specifically limited herein.

The constant tension reeling device further comprises a synchronous pressing assembly 8, the synchronous pressing assembly 8 comprises a second positioning piece 81, a synchronous rod 82 and a connecting piece 83, one end of the synchronous rod 82 is connected with the tension arm 3 through the second positioning piece 81, the other end of the synchronous rod 82 is hinged with the connecting piece 83, and the connecting piece 83 is hinged to the frame 1. It will be appreciated that the synchronizing bars 82 are provided in a pair, symmetrically mounted on both sides of the spool 5, for ensuring synchronous compression of the tension arms 3 on both sides.

The constant tension reeling device further comprises a front pressing component 9, wherein the front pressing component 9 comprises a front pressing arm 91 arranged on the tension arm 3, and a first front pressing wheel 92 and a second front pressing wheel 93 which are respectively arranged at two ends of the front pressing arm 91, and the first front pressing wheel 92 and the second front pressing wheel 93 are both in rotary connection with the front pressing arm 91. The front pressing assembly 9 is adapted to push the paper roll 7 in the opposite direction after the paper roll 7 is wound on the roll shaft 5.

Further, the bottom end of the tension arm 3 is further provided with a mounting seat 33, and a plurality of mounting holes 34 are formed in the mounting seat 33. The mount 33 and the mounting hole 34 are used for connection with an external connection mechanism. And the top end of the tension arm 3 is provided with an avoiding groove 35 for avoiding the roll paper shaft 5 so as to prevent the device from being damaged by interference.

The pinch roller 4 is rotationally connected to the tension arm 3 through a rotation shaft 41, and the pinch roller 4 is preferably made of a rubber material, which is corrosion-resistant and wear-resistant, and is not easy to damage the roll paper shaft 5, and in other embodiments, the pinch roller 4 may be made of a metal material, which is not specifically limited herein.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A constant tension reeling device for keeping a constant tension in a reeling section of a paper machine, characterized by comprising a frame (1), a driving mechanism (2), a tension arm (3), a pinch roller (4), a reeling shaft (5), a reeling cylinder (6) and a control system;

the tension arm (3) is connected with the driving mechanism (2) through a first positioning piece (31), and the top end of the tension arm is provided with the pinch roller (4) so as to transmit the torque of the driving mechanism (2) to the pinch roller (4);

the paper winding shaft (5) is abutted with the pressing wheel (4), the paper winding shaft (5) is arranged corresponding to the paper winding cylinder (6), and the paper winding shaft (5) is used for providing a horizontal force for a paper roll (7) arranged on the paper winding shaft (5) so that the paper roll (7) is tightly attached to the paper winding cylinder (6);

the driving mechanism (2) is arranged on the frame (1) and used for driving the tension arm (3) and the pinch roller (4) to move, and the control system controls the torque value output by the driving mechanism (2) to be a fixed value so as to realize constant tension between the paper roll (7) and the paper winding cylinder (6).

2. Constant tension reel-up according to claim 1, characterized in that the control system further comprises an angle sensor (32) provided on the tension arm (3) for detecting the swinging angle of the tension arm (3).

3. Constant tension reel-up according to claim 1, characterized in that the drive mechanism (2) is further connected with a control valve controlling the output pressure of the drive mechanism (2).

4. A constant tension reel-up according to claim 3, characterized in that the drive mechanism (2) is an electric, hydraulic or pneumatic drive.

5. Constant tension reel-up according to claim 1, characterized in that the constant tension reel-up further comprises a synchronous pressing assembly (8), the synchronous pressing assembly (8) comprises a second positioning member (81), a synchronous rod (82) and a connecting member (83), one end of the synchronous rod (82) is connected with the tension arm (3) through the second positioning member (81), the other end of the synchronous rod is hinged with the connecting member (83), and the connecting member (83) is hinged with the frame (1).

6. The constant tension rolling device according to claim 1, further comprising a front pressing assembly (9), wherein the front pressing assembly (9) comprises a front pressing arm (91) arranged on the tension arm (3), and a first front pressing wheel (92) and a second front pressing wheel (93) respectively arranged at two ends of the front pressing arm (91).

7. The constant tension reel up of claim 6, wherein the first front pinch roller (92) and the second front pinch roller (93) are both rotatably connected to the front pinch arm (91).

8. The constant tension winding device according to claim 1, wherein the bottom end of the tension arm (3) is further provided with a mounting seat (33), and a plurality of mounting holes (34) are formed in the mounting seat (33).

9. The constant tension winding device according to claim 8, wherein an avoidance groove (35) for avoiding the winding shaft (5) is formed in the top end of the tension arm (3).

10. Constant tension reel-up according to claim 1, characterized in that the pinch roller (4) is rotatably connected to the tension arm (3) by means of a rotation shaft (41).

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