Variable-speed paper conveying and tension synchronous control printing device

Abstract

The invention relates to the technical field of printing devices, and discloses a variable-speed paper conveying and tension synchronous control printing device which comprises a base, a second mounting frame is fixedly mounted on the base, a second electric telescopic rod is fixedly mounted on the horizontal section of the second mounting frame, and a printing plate is fixedly mounted at the output end of the second electric telescopic rod. A supporting plate used in cooperation with the printing plate is fixedly installed on the base, two sets of third installation frames distributed on the two sides of the supporting plate are fixedly installed on the base, first supporting rods are rotatably installed in the third installation frames, and the supporting plane of the first supporting rods is flush with the supporting plane of the supporting plate. The printing paper conveying device has the beneficial effects that printing paper can be driven to move for conveying through synchronous rotation of the paper roller and the collecting roller, the printing paper is conveyed through synchronous movement of the moving seat, conveying of the printing paper in different modes and at different speeds is achieved, and the comprehensiveness and flexibility of equipment use are improved.

Description

Technical Field

[0001] This invention relates to the field of printing apparatus technology, and specifically to a printing apparatus with variable speed paper feeding and tension synchronous control. Background Technology

[0002] A printing device is a device that transfers ink from the image on a printing plate onto paper. Printing devices are required in the label paper production process.

[0003] Most existing printing devices directly transport printing paper by rotating a collecting roller and a paper roller. For example, patent publication number CN215921533U uses a feeding roller to supply the paper and a collecting roller to directly rewind it, thus transporting the printing paper. However, this method can only transport printing paper in one way. If rapid transport is required, the force on the printing paper will increase, which can easily lead to tearing and breakage, affecting the efficiency of the transport. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a device for paper feeding in printing, thereby achieving high paper feeding efficiency.

[0005] The objective of this invention can be achieved through the following technical solutions:

[0006] A variable-speed paper feeding and tension synchronous control printing device includes a base, on which a second mounting frame is fixedly mounted. A second electric telescopic rod is fixedly mounted on the horizontal section of the second mounting frame, and a printing plate is fixedly mounted on the output end of the second electric telescopic rod. A support plate for use with the printing plate is fixedly mounted on the base. Two sets of third mounting frames distributed on both sides of the support plate are fixedly mounted on the base. A first support rod is rotatably mounted inside the third mounting frame, and the support plane of the first support rod is flush with the support plane of the support plate. Two sets of movable seats are slidably mounted on the base via multiple sets of crossbars. The two sets of movable seats are located on both sides of the support plate. Each movable seat is equipped with a support roller for supporting a paper roller and a motor for driving the paper roller to rotate. Two sets of servo modules for driving the corresponding movable seats to move are provided on the base.

[0007] As a further aspect of the present invention: two sets of support rollers are rotatably installed on the vertical sidewall of the movable seat, the two sets of support rollers are spaced apart and distributed on the same horizontal plane.

[0008] As a further embodiment of the present invention: a mounting plate is fixedly installed on one of the vertical sections of the movable seat, a first support plate is slidably installed on the mounting plate, a motor is fixedly installed on the first support plate and a second limiting rod is fixedly installed at the end of the motor's output shaft, a first limiting rod is rotatably installed on the other vertical section of the movable seat and arranged coaxially with the second limiting rod, and an adjusting threaded rod that drives the first support plate to move is rotatably installed on the side wall of the movable seat.

[0009] As a further aspect of the present invention: the second limiting rod is parallel to the support roller and a through hole is provided on the side wall of the movable seat for the second limiting rod to pass through.

[0010] As a further embodiment of the present invention: two sets of second support plates are fixedly installed on the side of the movable seat near the support plate, and the second support plates are rotatably mounted with a second support rod. The second support rod is parallel to the first support rod, and the support plane of the second support rod is flush with the support plane of the support plate.

[0011] As a further aspect of the present invention: a first electric telescopic rod is fixedly installed on the second support plate, a lifting plate is fixedly installed at the output end of the first electric telescopic rod, a plurality of vertical rods are slidably installed on the lifting plate, the vertical rods pass through the lifting plate and a first mounting frame is fixedly installed at the end of the vertical rods near the base, a pressure rod parallel to the second support rod is rotatably installed in the first mounting frame, and a pressure sensor for detecting the pressure of the first mounting frame on the lifting plate is provided on the lifting plate.

[0012] As a further aspect of the present invention: the pressure sensor is fixedly installed on the surface of the lifting plate near the first mounting bracket, the lower surface of the pressure sensor is in contact with the upper surface of the first mounting bracket, and in the initial state the first mounting bracket exerts no pressure on the pressure sensor.

[0013] As a further embodiment of the present invention: a third electric telescopic rod is fixedly installed on the horizontal section of the third mounting bracket, a first pressure plate is fixedly installed on the output end of the third electric telescopic rod, and L-shaped second pressure plates are slidably installed on both ends of the first pressure plate. The second pressure plate passes through the first pressure plate and has a V-shaped groove at the end of the second pressure plate near the first support rod. A spring is fixedly installed on the horizontal section of the second pressure plate and is fixedly connected to the first pressure plate.

[0014] The beneficial effects of this invention are:

[0015] (1) In this invention, the printing paper can be transported by the synchronous rotation of the paper roller and the collecting roller, and the printing paper can be transported by the synchronous movement of the moving seat, thus realizing the transport of printing paper in different ways and at different speeds, and improving the comprehensiveness and flexibility of the equipment.

[0016] (2) In this invention, when it is necessary to move quickly to the printing paper, after printing is completed, the paper roller and the collecting roller remain stationary. The servo module drives the two sets of moving seats to move synchronously and quickly a set distance. At this time, the printing paper between the paper roller and the collecting roller moves synchronously and quickly as a whole, thereby realizing the rapid transport of the printing paper. By controlling the synchronous movement speed of the moving seats, the transport speed of the printing paper can be adjusted, improving the printing efficiency. At the same time, it avoids pulling and damaging the printing paper, ensuring the integrity of the printing paper.

[0017] (3) In this invention, the tension of the printing paper is continuously monitored and dynamically adjusted during the paper feeding process, so that the printing paper can always be kept at the set tension, ensuring the stability of the paper feeding and the quality of subsequent printing.

[0018] (4) In this invention, the printing area on both sides of the printing paper is fixed to avoid the printing paper from being released or rolled up and affecting the printing area, thus ensuring the quality of printing. When the printing paper moves quickly and stops, the second pressure plate can restrict and fix the first support rod in time to prevent the first support rod 24 from rotating excessively and causing wear to the printing paper. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the movable base in this invention.

[0022] Figure 3 This is a schematic diagram of the lifting frame in this invention.

[0023] Figure 4 This is a schematic diagram of the structure of the third mounting bracket in this invention.

[0024] Figure 5 This is a schematic diagram of the structure of the second pressure plate in this invention.

[0025] Figure 6 yes Figure 2 Enlarged schematic diagram of point A1 in the middle.

[0026] Figure 7 yes Figure 4 Enlarged diagram of point A2 in the middle.

[0027] In the diagram: 1. Base; 2. Crossbar; 3. Movable seat; 4. Support roller; 5. First limiting rod; 6. Through hole; 7. Mounting plate; 8. First support plate; 9. Motor; 10. Second limiting rod; 11. Adjusting threaded rod; 12. Second support plate; 13. First electric telescopic rod; 14. Lifting plate; 15. First mounting frame; 16. Vertical rod; 17. Pressure rod; 18. Pressure sensor; 19. Second mounting frame; 20. Second electric telescopic rod; 21. Printed plate; 22. Support plate; 23. Third mounting frame; 24. First support rod; 25. Third electric telescopic rod; 26. First pressure plate; 27. Second pressure plate; 28. Spring; 29. ​​Second support rod; 30. Servo module. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-7 As shown, the present invention is a variable speed paper feeding and tension synchronous control printing device, including a base 1, a second mounting frame 19 fixedly mounted on the base 1, a second electric telescopic rod 20 fixedly mounted on the horizontal section of the second mounting frame 19, a printing plate 21 fixedly mounted on the output end of the second electric telescopic rod 20, a support plate 22 for cooperating with the printing plate 21 fixedly mounted on the base 1, two sets of third mounting frames 23 distributed on both sides of the support plate 22 fixedly mounted on the base 1, a first support rod 24 rotatably mounted inside the third mounting frame 23, the support plane of the first support rod 24 being flush with the support plane of the support plate 22, two sets of movable seats 3 slidably mounted on the base 1 via multiple sets of crossbars 2, the two sets of movable seats 3 being located on both sides of the support plate 22, the movable seats 3 being provided with support rollers 4 for supporting paper rollers and motors 9 for driving the paper rollers to rotate, and two sets of servo modules 30 for driving the corresponding movable seats 3 to move on the base 1.

[0030] In practical application, in this embodiment, initially, one set of movable seats 3 is away from the support plate 22, and another set of movable seats 3 is close to the support plate 22. The paper roller is placed on the movable seat 3 away from the support plate 22, supported by the support roller 4, and the motor 9 is connected to the paper roller. Simultaneously, the empty roller for collection is placed on the support roller 4 on the other set of movable seats 3, and the corresponding motor 9 is connected to the empty roller for collection. The height of the paper roller is lower than the height of the first support rod 24. Pulling the paper roller to rotate releases the printing paper, allowing the printing paper to pass through the support plate 22 and its end to connect with the empty roller for collection. The machine 9 drives the collecting roller to rotate, which straightens and tightens the printing paper. At this time, under the action of the first support rod 24, the printing paper in the area where the support plate 22 is located is in a horizontal state and is attached to the support plate 22. The second electric telescopic rod 20 drives the printing plate 21 to move downward. The printing plate 21 presses the printing paper onto the support plate 22 to complete the printing. After the printing is completed, the printing plate 21 is reset. At this time, the two sets of motors 9 rotate synchronously, which makes the paper roller and the collecting roller rotate synchronously and slowly, so that the printing paper slowly moves to the side of the collecting roller and is wound up. The blank part of the printing paper moves to the support plate 22 and then stops and continues to print.

[0031] When rapid movement to the printing paper is required, after printing, the paper roller and the collecting roller remain stationary. The servo module 30 drives the two sets of moving seats 3 to move synchronously and rapidly a set distance. At this time, the printing paper between the paper roller and the collecting roller moves synchronously and rapidly as a whole, thereby achieving rapid conveying of the printing paper. By controlling the synchronous movement speed of the moving seats 3, the conveying speed of the printing paper can be adjusted, improving printing efficiency and avoiding damage to the printing paper by pulling, thus ensuring the integrity of the printing paper. When the blank area of ​​the printing paper moves to the support plate 22 and stops, and printing continues, the two sets of moving seats 3 reset. At the same time, the paper roller and the collecting roller rotate. The rotation of the paper roller releases the printing paper, allowing the moving seat 3 near the support plate 22 to move away from the support plate 22. The rotation of the collecting roller rewinds the printed paper, causing the moving seat 3 to move closer to the support plate 22. Repeating the above steps allows for continuous printing. The printing paper can be conveyed by the synchronous rotation of the paper roller and the collecting roller and by the synchronous movement of the moving seats 3, realizing different methods and speeds of conveying the printing paper, improving the comprehensiveness and flexibility of the equipment.

[0032] Please see Figure 1 , Figure 2 , Figure 6 As shown, the present invention is a printing device for synchronous control of variable speed paper feeding and tension. Two sets of support rollers 4 are rotatably installed on the vertical side wall of the moving seat 3. The two sets of support rollers 4 are spaced apart and distributed on the same horizontal plane.

[0033] Specifically, a mounting plate 7 is fixedly installed on one of the vertical sections of the movable seat 3, a first support plate 8 is slidably installed on the mounting plate 7, a motor 9 is fixedly installed on the first support plate 8, and a second limiting rod 10 is fixedly installed at the end of the output shaft of the motor 9. A first limiting rod 5, which is coaxially arranged with the second limiting rod 10, is rotatably installed on the other vertical section of the movable seat 3, and an adjusting threaded rod 11 that drives the first support plate 8 to move is rotatably installed on the side wall of the movable seat 3.

[0034] Specifically, the second limiting rod 10 is parallel to the support roller 4 and the side wall of the movable seat 3 is provided with a through hole 6 for the second limiting rod 10 to pass through.

[0035] In practical application, the paper roller and the collecting roller are placed on the corresponding support roller 4, with one end of them contacting the first limiting rod 5. Then, the adjusting threaded rod 11 is rotated to move the first support plate 8 until the second limiting rod 10 contacts the ends of the corresponding paper roller and collecting roller. At this time, the paper roller and the collecting roller are both aligned with the axis of the first limiting rod 5. The paper roller and the collecting roller can be clamped by the first limiting rod 5 and the second limiting rod 10. Subsequently, the motor 9 can drive the paper roller and the collecting roller to rotate through the second limiting rod 10.

[0036] Please see Figure 1 , Figure 4 , Figure 5 , Figure 7 As shown, the present invention is a printing device with variable speed paper feeding and tension synchronous control. Two sets of second support plates 12 are fixedly installed on the side of the movable seat 3 near the support plate 22. The second support plates 12 are rotatably mounted with a second support rod 29. The second support rod 29 is parallel to the first support rod 24, and the support plane of the second support rod 29 is flush with the support plane of the support plate 22.

[0037] Specifically, a first electric telescopic rod 13 is fixedly installed on the second support plate 12, and a lifting plate 14 is fixedly installed at the output end of the first electric telescopic rod 13. Multiple sets of vertical rods 16 are slidably installed on the lifting plate 14. The vertical rods 16 pass through the lifting plate 14 and a first mounting frame 15 is fixedly installed at the end of the vertical rods 16 near the base 1. A pressure rod 17 parallel to the second support rod 29 is rotatably installed inside the first mounting frame 15. A pressure sensor 18 for detecting the pressure of the first mounting frame 15 on the lifting plate 14 is provided on the lifting plate 14.

[0038] Specifically, the pressure sensor 18 is fixedly installed on the surface of the lifting plate 14 near the first mounting bracket 15. The lower surface of the pressure sensor 18 is in contact with the upper surface of the first mounting bracket 15. In the initial state, the first mounting bracket 15 exerts no pressure on the pressure sensor 18.

[0039] In practical application, the printing paper passes between the second support rod 29 and the pressure rod 17. The second support rod 29 cooperates with the first support rod 24 to keep the printing paper horizontal. After the printing paper is set, the first electric telescopic rod 13 drives the lifting plate 14 to move downward so that the pressure rod 17 contacts the upper surface of the printing paper. The first mounting frame 15 stops after generating the set pressure on the pressure sensor 18. If the pressure detected by the pressure sensor 18 changes during the subsequent movement of the printing paper, it indicates that the tension of the printing paper has changed. At this time, the first electric telescopic rod 13 drives the lifting plate 14 to move and adjust according to the direction of the pressure change. The pressure sensor 18 stops when it detects the same pressure as the set value. This realizes continuous monitoring and dynamic adjustment of the tension during the printing paper conveying process, so that the printing paper can always maintain the set tension, ensuring the stability of the printing paper conveying and the quality of subsequent printing.

[0040] Please see Figures 1-4 As shown, the present invention is a variable speed paper feeding and tension synchronous control printing device. A third electric telescopic rod 25 is fixedly installed on the horizontal section of the third mounting frame 23. A first pressure plate 26 is fixedly installed on the output end of the third electric telescopic rod 25. L-shaped second pressure plates 27 are slidably installed on both ends of the first pressure plate 26. The second pressure plate 27 passes through the first pressure plate 26 and has a V-shaped groove at the end of the second pressure plate 27 near the first support rod 24. A spring 28 is fixedly installed on the horizontal section of the second pressure plate 27 and is fixedly connected to the first pressure plate 26.

[0041] In practical application, when the printing paper stops moving, the third electric telescopic rod 25 drives the first pressure plate 26 to move downward. The second pressure plate 27 first contacts the first support rod 24 and fixes the first support rod 24. When the printing paper moves quickly and stops, the second pressure plate 27 can promptly restrict and fix the first support rod 24 to prevent the first support rod 24 from rotating excessively and causing wear to the printing paper. Then, the first pressure plate 26 contacts the printing paper and presses down to fix the printing paper. When the printing paper is being printed, the third electric telescopic rod 25 causes the first pressure plate 26 to press the printing paper onto the first support rod 24. At the same time, the spring 28 causes the second pressure plate 27 to directly press against the first support rod 24 to prevent the first support rod 24 from rotating. This achieves fixation on both sides of the printing area on the printing paper, preventing the printing paper from affecting the printing area when it is released or rewound, and ensuring the quality of printing. When the printing paper moves, both the first pressure plate 26 and the second pressure plate 27 move away from the first support rod 24.

Claims

1. A variable speed paper feeding and tension synchronous control printing device, comprising a base (1), characterized in that, A second mounting bracket (19) is fixedly installed on the base (1). A second electric telescopic rod (20) is fixedly installed on the horizontal section of the second mounting bracket (19). A printing plate (21) is fixedly installed at the output end of the second electric telescopic rod (20). A support plate (22) that works with the printing plate (21) is fixedly installed on the base (1). Two sets of third mounting brackets (23) located on both sides of the support plate (22) are fixedly installed on the base (1). A first support rod (24) is rotatably installed inside the third mounting bracket (23). The support plane of the first support rod (24) is flush with the support plane of the support plate (22). Two sets of movable seats (3) are slidably installed on the base (1) through multiple sets of crossbars (2). The two sets of movable seats (3) are located on both sides of the support plate (22). A support roller (4) for supporting the paper roller and a motor (9) for driving the paper roller to rotate are provided on the movable seat (3). Two sets of servo modules (30) for driving the corresponding movable seats (3) to move are provided on the base (1).

2. The variable speed paper feeding and tension synchronous control printing device according to claim 1, characterized in that, Two sets of support rollers (4) are rotatably installed on the vertical side wall of the movable seat (3). The two sets of support rollers (4) are spaced apart and distributed on the same horizontal plane.

3. The variable speed paper feeding and tension synchronous control printing device according to claim 2, characterized in that, A mounting plate (7) is fixedly installed on one of the vertical sections of the movable seat (3). A first support plate (8) is slidably installed on the mounting plate (7). A motor (9) is fixedly installed on the first support plate (8), and a second limiting rod (10) is fixedly installed at the end of the output shaft of the motor (9). A first limiting rod (5) coaxially arranged with the second limiting rod (10) is rotatably installed on the other vertical section of the movable seat (3). An adjusting threaded rod (11) that drives the first support plate (8) to move is rotatably installed on the side wall of the movable seat (3).

4. The variable speed paper feeding and tension synchronous control printing device according to claim 3, characterized in that, The second limiting rod (10) is parallel to the support roller (4), and a through hole (6) is provided on the side wall of the moving seat (3) for the second limiting rod (10) to pass through.

5. The variable speed paper feeding and tension synchronous control printing device according to claim 1, characterized in that, The movable seat (3) is fixedly installed with two sets of second support plates (12) on the side near the support plate (22). The second support plates (12) are rotatably mounted with a second support rod (29). The second support rod (29) is parallel to the first support rod (24). The support plane of the second support rod (29) is flush with the support plane of the support plate (22).

6. The variable speed paper feeding and tension synchronous control printing device according to claim 5, characterized in that, The second support plate (12) is fixedly installed with a first electric telescopic rod (13). The output end of the first electric telescopic rod (13) is fixedly installed with a lifting plate (14). Multiple sets of vertical rods (16) are slidably installed on the lifting plate (14). The vertical rods (16) pass through the lifting plate (14) and the end of the vertical rods (16) near the base (1) is fixedly installed with a first mounting frame (15). A pressure rod (17) parallel to the second support rod (29) is rotatably installed inside the first mounting frame (15). A pressure sensor (18) for detecting the pressure of the first mounting frame (15) on the lifting plate (14) is provided on the lifting plate (14).

7. A variable speed paper feeding and tension synchronous control printing device according to claim 6, characterized in that, The pressure sensor (18) is fixedly installed on the surface of the lifting plate (14) near the first mounting bracket (15). The lower surface of the pressure sensor (18) is in contact with the upper surface of the first mounting bracket (15). In the initial state, the first mounting bracket (15) exerts no pressure on the pressure sensor (18).

8. The variable speed paper feeding and tension synchronous control printing device according to claim 1, characterized in that, The third mounting bracket (23) is fixedly mounted with a third electric telescopic rod (25) on its horizontal section. The output end of the third electric telescopic rod (25) is fixedly mounted with a first pressure plate (26). Both ends of the first pressure plate (26) are slidably mounted with L-shaped second pressure plates (27). The second pressure plate (27) passes through the first pressure plate (26) and a V-shaped groove is opened at the end of the second pressure plate (27) near the first support rod (24). A spring (28) is fixedly mounted on the horizontal section of the second pressure plate (27). The spring (28) is fixedly connected to the first pressure plate (26).

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