Tensioning device for controlling tension force of roll paper

Abstract

The utility model discloses a tension device for controlling tension force of roll paper, which comprises two fixing plates, a winding roller is rotatably connected between the two fixing plates, a connecting ring is fixedly connected between the two fixing plates, a sliding groove is arranged in the connecting ring, two sides of the sliding groove, which are far away from each other, are contacted with sliding blocks, and the sliding blocks are connected with the winding roller. Supporting frames are fixedly connected to the opposite sides of the two sliding blocks, a driving motor is fixedly connected to one side of each supporting frame, a bidirectional screw rod is fixedly connected to the output end of each driving motor, moving blocks are in threaded connection to the two sides, away from each other, of each bidirectional screw rod, and a clamping rod is rotationally connected between every two opposite moving blocks; the connecting ring is arranged between the two fixing plates, and the rotatable sliding blocks and the supporting frames are arranged in the connecting ring, so that the two clamping rods provide guidance when tension is controlled, roll paper is made to deviate, and therefore the roll paper is guided; and the winding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roll paper, in particular to a tensioning device for controlling the tension of roll paper. Background Art

[0002] Tensioners are commonly used in various mechanical systems and ensure stable and efficient operation of the system by providing appropriate tension, which can prevent the paper from shaking or loosening during transportation or extraction.

[0003] According to the Chinese patent publication number CN212981942U, "A paper tension adjustment device for a color printing machine", it is mainly described that a tensioning device is arranged on the frame, and a driving component drives the tensioning roller to move and squeeze the paper, so that the paper can be tensioned, thereby making the paper conveying efficiency higher. By arranging an adjustment roller on the connecting frame, the lower surface of the cardboard can be abutted and tensioned by the adjustment roller, so that the contact area between the paper and the conveying device can be larger, and when the paper needs to be tensioned to a large extent, the tensioning roller squeezes the paper, and the paper and the conveying device rotate in a direction away from the conveying device. The movement results in a smaller contact area between the paper and the conveying device, which makes the conveying efficiency of the conveying device for the paper low. By arranging a locking device on the driving assembly, after the paper passes under the tensioning roller, the connecting frame is installed on the driving assembly through the locking device, which can make it more convenient for the operator to pass the paper between the tensioning roller and the adjusting roller, and avoid the operator being unable to pass the paper between the adjusting roller and the tensioning roller. In this process, the tension of the roll paper is adjusted under the action of the adjusting roller. When the paper is unwinding and rewinding, it is easy for one side of the paper to be subjected to greater force than the other side of the paper, thereby causing offset and causing problems in rewinding.

[0004] Therefore, a tensioning device for controlling the tension of roll paper is proposed to solve the problem that during this process, the roll paper is tensioned under the action of an adjusting roller. When the paper is unrolled or reeled in, it is easy for one side of the paper to be subjected to greater force than the other side, resulting in an offset and causing problems in reeling. Utility Model Content

[0005] The technical problem to be solved by the utility model is as follows: in this process, the tension of the roll paper is adjusted under the action of the adjusting roller. When the paper is unwinding and rewinding, it is easy for one side of the paper to be subjected to a greater force than the other side of the paper, thereby causing an offset and causing problems in rewinding. Therefore, a tensioning device for controlling the tension of the roll paper is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a tensioning device for controlling the tension of a roll paper, comprising a fixed plate, wherein the fixed plate is provided with two, and a winding roller is rotatably connected between the two fixed plates, a connecting ring is fixedly connected between the two fixed plates, a slide groove is provided in the connecting ring, and two sides away from each other in the slide groove are in contact with sliders, and the two sliders are fixedly connected to a support frame on one side, a driving motor is fixedly connected to the support frame, and a bidirectional screw is fixedly connected to the output end of the driving motor, and two sides away from each other on the bidirectional screw are threadedly connected with moving blocks, a clamping rod is rotatably connected between the two opposite moving blocks, and a support frame is fixedly connected to the upper and lower sides between the two support frames, a fixing sleeve is sleeved on the support frame located on the upper side, a distance sensor is fixedly connected to the bottom end of the fixing sleeve, a pressure rod is threadedly connected to the fixing sleeve, and one end of the pressure rod contacts the support frame, and a cushion block is fixedly connected to one side of the connecting ring located in the slide groove, and an electric push rod is fixedly connected to the upper end of the cushion block, and the output end of the electric push rod corresponds to one of the sliders.

[0007] As a preferred technical solution of the utility model, the output end of the electric push rod is fixedly connected with a card block, the card block is rotatably connected with a connecting frame through a rotating shaft, and the connecting frame is fixedly connected to the bottom side of one of the sliders. By setting the card block and the rotating shaft, the adaptability of the electric push rod in pushing the slider to move is improved.

[0008] As a preferred technical solution of the utility model, a sliding ball is rotatably embedded on the sliding block, and the sliding ball contacts the sliding groove. By providing the sliding ball, the friction of the sliding block when moving can be reduced.

[0009] As a preferred technical solution of the utility model, an air pump is fixedly connected to one side of the fixed plate, the output end of the air pump is fixedly connected to an air collecting pipe, the bottom end of the air collecting pipe is evenly fixedly connected to a branch pipe, the branch pipe is rotatably connected to a nozzle through a sealed bearing, and the air pump is provided so that the air collecting pipe and the branch pipe can be sprayed evenly through the nozzle.

[0010] As a preferred technical solution of the utility model, a forward and reverse motor is fixedly connected to one side of the fixed plate and a first screw is fixedly connected to the output end of the forward and reverse motor. A push plate is evenly threadedly connected to the first screw. The push plate corresponds to the nozzle. By setting the push plate, the nozzle can be driven to move, so that the jet direction is guided.

[0011] The utility model has the following advantages: by arranging a connecting ring between two fixed plates, and arranging a rotatable slider and a supporting frame in the connecting ring, the two clamping rods provide guidance when controlling the tension, so that the roll paper is offset, thereby achieving guidance for the roll paper and improving the winding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of a top view of a tensioning device for controlling the tension of a roll paper according to a preferred embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of a cross-sectional structure of a side view of a connecting ring of a tensioning device for controlling the tension of a roll paper in a preferred embodiment of the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the side structure of a gas collecting pipe of a tensioning device for controlling the tension of a roll paper according to a preferred embodiment of the utility model.

[0015] Explanation of the reference numerals in the accompanying drawings: 1. fixed plate; 2. winding roller; 3. connecting ring; 4. slide groove; 5. slider; 6. support frame; 7. bidirectional screw; 8. moving block; 9. clamping rod; 10. support frame; 11. distance sensor; 12. cushion block; 13. electric push rod; 14. clamping block; 15. connecting frame; 16. fixing sleeve; 17. pressure rod; 18. sliding ball; 19. air pump; 20. air collecting pipe; 21. branch pipe; 22. nozzle; 23. first screw; 24. push plate. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3A tensioning device for controlling the tension of a roll of paper shown in the figure comprises a fixed plate 1, two fixed plates 1 are provided, and a winding roller 2 is rotatably connected between the two fixed plates 1, a connecting ring 3 is fixedly connected between the two fixed plates 1, a slide groove 4 is provided in the connecting ring 3, and two sides of the slide groove 4 that are away from each other are in contact with sliders 5, and the two sliders 5 are fixedly connected to a support frame 6 on the opposite sides, a driving motor is fixedly connected to one side of the support frame 6, and a bidirectional screw 7 is fixedly connected to the output end of the driving motor, and by driving the bidirectional screw 7 to rotate, a moving block 8 can be made to move relatively, and under the action of a clamping rod 9, the movement of the roll of paper can be clamped, and the moving blocks 8 are threadedly connected to the two sides of the bidirectional screw 7 that are away from each other, and the two opposite moving blocks 8 are rotatably connected. There is a clamping rod 9, and support frames 10 are fixedly connected on the upper and lower sides between the two support frames 6. A fixing sleeve 16 is sleeved on the support frame 10 on the upper side, and a distance sensor 11 is fixedly connected to the bottom end of the fixing sleeve 16. The distance sensor 11 corresponds to the edge of the web and can monitor the movement of the web on the clamping rod 9, thereby cooperating with the electric push rod 13 to achieve the effect of adjusting the position of the slider 5, and make one side of the web be subjected to force, thereby generating the effect of moving on the clamping rod 9 to achieve adjustment. A pressure rod 17 is threadedly connected to the fixing sleeve 16, and one end of the pressure rod 17 is in contact with the support frame 10. A connecting ring 3 is located in the slide groove 4 and is fixedly connected to a pad 12 on one side. The upper end of the pad 12 is fixedly connected to an electric push rod 13 and the output end of the electric push rod 13 corresponds to one of the sliders 5.

[0018] Among them, one of the sliders 5 is fixedly connected to the connecting frame 15 on the bottom side, and the connecting frame 15 is connected to the clamping block 14 through a rotating shaft. The clamping block 14 is fixedly connected to the output end of the electric push rod 13. By setting the clamping block 14 to cooperate with the connecting frame 15, under the action of the rotating shaft, the positions of the two sliders 5 can be adjusted and the wear between the electric push rod 13 and the connecting frame 15 can be reduced.

[0019] The sliding groove 4 contacts the sliding ball 18 , and the sliding ball 18 is rotatably embedded in the sliding block 5 . By providing the sliding ball 18 , the friction between the sliding block 5 and the connecting ring 3 can be reduced.

[0020] Among them, the nozzle 22 is rotatably connected to the branch pipe 21 through a sealed bearing, the branch pipe 21 is evenly and fixedly connected to the bottom end of the air collecting pipe 20, the air collecting pipe 20 is fixedly connected to the output end of the air pump 19, the air pump 19 is fixedly connected to one side of the fixed plate 1, one side of the outer ring of the sealed bearing is fixedly connected to the nozzle 22 and the inside is connected, the inner ring of the sealed bearing is connected to the branch pipe 21, and the air pump 19 is set to supply air to the air collecting pipe 20, and then the guide airflow is sprayed through the rotatable nozzle 22 to reduce the dust attached to the paper.

[0021] Among them, the nozzle 22 corresponds to the push plate 24, the push plate 24 is evenly threadedly connected to the first screw 23, the first screw 23 is fixedly connected to the output end of the forward and reverse motor, and the forward and reverse motor is fixedly connected to one side of the fixed plate 1. By setting a driving motor to drive the first screw 23 to rotate, and the push plate 24 pushes the nozzle 22 to rotate, the airflow direction can be changed.

[0022] Working principle: The web passes through the winding roller 2 and enters the connecting ring 3. The moving block 8 and the clamping rod 9 are moved by adjusting the bidirectional screw 7. At this time, the web is clamped by the clamping rod 9 and monitored by the distance sensor 11. When the edge of the web is offset, the electric push rod 13 is started to extend or contract, driving the two sliders 5 to rotate in the slide 4. At this time, the force on one side of the web is greater than the other side, so that the movement of the web is subjected to force and produces an opposite offset, so that the web returns to the normal state, and the tension of the web is self-controlled while providing adjustment, so that the winding effect is improved.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A tensioning device for controlling the tension of a roll of paper, comprising a fixed plate (1), wherein two fixed plates (1) are provided and a winding roller (2) is rotatably connected between the two fixed plates (1), characterized in that: A connecting ring (3) is fixedly connected between the two fixed plates (1), a slide groove (4) is provided in the connecting ring (3), two sides of the slide groove (4) that are away from each other are in contact with sliders (5), the two sliders (5) are fixedly connected to a support frame (6) on opposite sides, a drive motor is fixedly connected to one side of the support frame (6), and a bidirectional screw (7) is fixedly connected to the output end of the drive motor, and moving blocks (8) are threadedly connected to the two sides of the bidirectional screw (7) that are away from each other, and a clamping rod (9) is rotatably connected between the two opposite moving blocks (8), and the two supporting A support frame (10) is fixedly connected to both upper and lower sides of the frame (6); a fixing sleeve (16) is sleeved on the support frame (10) located on the upper side; a distance sensor (11) is fixedly connected to the bottom end of the fixing sleeve (16); a pressure rod (17) is threadedly connected to the fixing sleeve (16); one end of the pressure rod (17) contacts the support frame (10); a cushion block (12) is fixedly connected to one side of the connecting ring (3) located in the slide groove (4); an electric push rod (13) is fixedly connected to the upper end of the cushion block (12); and the output end of the electric push rod (13) corresponds to one of the sliders (5).

2. A tensioning device for controlling the tension of a roll of paper as claimed in claim 1, characterized in that: The output end of the electric push rod (13) is fixedly connected to a clamping block (14), and the clamping block (14) is rotatably connected to a connection frame (15) via a rotating shaft, and the connection frame (15) is fixedly connected to the bottom side of one of the sliders (5).

3. A tensioning device for controlling the tension of a roll of paper as claimed in claim 2, characterized in that: A sliding ball (18) is rotatably embedded on the sliding block (5), and the sliding ball (18) is in contact with the sliding groove (4).

4. A tensioning device for controlling the tension of a roll paper as claimed in claim 1, characterized in that: An air pump (19) is fixedly connected to one side of the fixed plate (1); an output end of the air pump (19) is fixedly connected to an air collecting pipe (20); a branch pipe (21) is evenly fixedly connected to the bottom end of the air collecting pipe (20); and the branch pipe (21) is rotatably connected to a nozzle (22) via a sealed bearing.

5. A tensioning device for controlling the tension of a roll paper as claimed in claim 4, characterized in that: A forward and reverse motor is fixedly connected to one side of the fixed plate (1), and a first screw rod (23) is fixedly connected to the output end of the forward and reverse motor. A push plate (24) is evenly threadedly connected to the first screw rod (23), and the push plate (24) corresponds to the nozzle (22).

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