Paper tension adjusting device
By designing the paper tension adjustment device and adjusting the paper tension using the drive motor and slider system, the problem of unstable paper tension in the printing press is solved, the appropriate tension maintenance and automatic winding of the paper during the transmission process is achieved, and the printing quality is improved and the practicality of the equipment.
Patent Information
- Application Number
- CN202421046262.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The unstable paper tension in existing printing machines causes the paper to relax or tighten during the transmission process, affecting the printing quality, resulting in unclear graphics and uneven colors.
A paper tension adjustment device is designed, including a main board, support plate, rotary shaft, drive motor, turntable, arc groove, slide rod and slider. The position of the adjustment roller is adjusted by driving the slider to slide to ensure that the paper is being transported. Maintain appropriate tension during the process and automatically wind up through the winding motor and extrusion roller.
Effectively adjust the paper tension, avoid slack or tightness, ensure printing quality, realize continuous printing and automatic winding of paper, and extend the service life of the adjustment roller.
Smart Images
Figure CN222293113U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of color printing tension control, in particular to a paper tension regulating device. Background Art
[0002] A printing press is a tool that prints on paper to make multiple copies of pictures or texts on paper. During the production and processing of paper, the required information needs to be printed on the paper, so a printing press is used.
[0003] A Chinese patent with announcement number CN218054452U discloses a highly efficient and stable paper printing machine, including a base, a frame fixedly installed on the top of the base, a conveyor belt arranged in the frame, a printing machine body fixedly installed on the top of the frame, a pressing device arranged in the printing machine body, placement blocks fixedly installed on the inner walls on both sides of the frame, and a reeling roller arranged between the placement blocks. The utility model achieves the function of adjusting the tension during paper transmission through the setting of the tension adjusting device, and the function of pressing the side edge of the upper surface of the paper through the setting of the pressing device, so as to enable the equipment to print paper efficiently and stably.
[0004] However, the above-mentioned printing machine still has some problems. In practical applications, unstable paper tension will cause the paper to become loose or tight during transmission, directly affecting the printing quality. Excessive tension will cause the paper to deform, and too little tension will cause the paper to deviate or wrinkle during printing, resulting in quality problems such as unclear images and texts and uneven colors. Therefore, a paper tension adjustment device is proposed to address the above problems. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model provides a paper tension adjustment device.
[0006] The technical solution adopted by the utility model to solve its technical problems is: a paper tension adjustment device described in the utility model includes a main board, a support plate is installed at the top side edge of the main board, a rotating shaft is rotatably installed inside the support plate, a mounting cavity is fixed at one end of the rotating shaft, a driving motor is installed at one side of the mounting cavity, a turntable is installed at the output end of the driving motor, three arc grooves are equidistantly provided inside the turntable, a sliding rod is slidably installed inside the arc groove, three sliding grooves are equidistantly provided inside the top side of the mounting cavity, a sliding block is slidably installed inside the sliding groove, one end of the sliding block is fixed to one side of the sliding block, and an adjusting roller is installed on the other side of the sliding block to adjust the paper tension, ensure that the paper maintains appropriate tension during transmission, and avoid paper loosening or tension.
[0007] Preferably, three limiting holes are equidistantly opened inside the support plate, a mounting ear is fixed on the outer wall of the other end of the rotating shaft, a locking screw is rotatably installed inside the mounting ear, one end of the locking screw passes through the mounting ear and is rotatably installed inside the limiting hole, so that the adjusting roller can be conveniently rotated and used, thereby extending the service life of the adjusting roller.
[0008] Preferably, a fixing plate is fixed to one side of the middle end of the main board, and an ink roller and a support roller are respectively installed on one side of the fixing plate through a rotating shaft, and a driven gear and a driving gear are respectively installed on the outer wall of the other end of the ink roller and the support roller and one side that penetrates through the fixing plate, and the driven gear and the driving gear are meshed with each other, and a support seat is installed on one side of the fixing plate, and a No. 1 motor is installed inside the support seat, and one end of the support roller is connected with the output end of the No. 1 motor, so that the rotation of the ink roller and the support roller can be conveniently controlled, thereby realizing continuous printing of paper.
[0009] Preferably, a vertical plate is fixed at the edge of the other end of the main board, a winding motor is installed on one side of the vertical plate, a rotating shaft is installed on the output end of the winding motor, a threaded rod is installed on one side of the rotating shaft, and a screw sleeve is installed on the outer wall of the threaded rod, thereby realizing automatic winding of paper and conveniently realizing roll changing or unloading operations.
[0010] Preferably, an L-shaped plate is installed on the top side of the vertical plate, and two T-shaped rods are symmetrically slidably installed inside the top side of the L-shaped plate, and a mounting frame is installed on the bottom side of the T-shaped rod. A spring is fixedly connected between the mounting frame and the L-shaped plate, and the spring is sleeved on the outer wall of the T-shaped rod. A squeezing roller is installed inside the mounting frame through a pin shaft, which can effectively reduce the slack of paper during the winding process and improve the winding quality.
[0011] Preferably, a control panel is installed on one side of the support plate, and the control panel is used to control the operation of the electrical components inside the device, thereby realizing centralized control of the electrical components inside the device and improving the practicability of the device.
[0012] The utility model is beneficial in that:
[0013] 1. When the driving motor of the utility model is working, its output end drives the turntable to rotate, and the slide bar slides inside the arc groove, thereby driving the slider to slide in the slide groove. As the slider moves, the position of the adjustment roller will also change accordingly, so that the tension of the paper when passing through the adjustment roller can be adjusted, ensuring that the paper maintains appropriate tension during the transmission process to avoid slack or tension;
[0014] 2. The utility model starts the winding motor, and its output end drives the rotating shaft to start rotating, and the printed paper is wound from the bottom side of the winding drum. During winding, the squeezing roller exerts a certain pressure on the paper under the reaction force of the spring, helping the paper to fit better on the winding drum, thereby realizing automatic winding of the paper. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 This is a schematic diagram of the structure of the medium axis side view of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the tension adjustment component;
[0018] Figure 3 for Figure 2 The enlarged structural diagram of part A in the middle;
[0019] Figure 4 It is a schematic diagram of the structure of the printing assembly;
[0020] Figure 5 It is a schematic diagram of the structure of the extrusion winding component.
[0021] In the figure: 1. Main board; 2. Support plate; 3. Rotating shaft; 4. Limiting hole; 5. Mounting ear; 6. Locking screw; 7. Mounting cavity; 8. Driving motor; 9. Turntable; 10. Arc groove; 11. Slide bar; 12. Slide groove; 13. Sliding block; 14. Adjusting roller; 15. Fixed plate; 16. Inking roller; 17. Support roller; 18. Driven gear; 19. Driving gear; 20. Support seat; 21. No. 1 motor; 22. Vertical plate; 23. Winding motor; 24. Rotating shaft; 25. Threaded rod; 26. Screw sleeve; 27. L-shaped plate; 28. T-bar; 29. Mounting frame; 30. Spring; 31. Extrusion roller; 32. Control panel. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-3 As shown, a paper tension adjustment device comprises a main board 1, a support plate 2 is installed at the top side edge of the main board 1, a rotating shaft 3 is rotatably installed inside the support plate 2, a mounting cavity 7 is fixed at one end of the rotating shaft 3, a driving motor 8 is installed at one side of the mounting cavity 7, a turntable 9 is installed at the output end of the driving motor 8, three arc grooves 10 are equidistantly provided inside the turntable 9, a slide bar 11 is slidably installed inside the arc groove 10, three slide grooves 12 are equidistantly provided inside the top side of the mounting cavity 7, a slider 13 is slidably installed inside the slider 12, one end of the slide bar 11 is fixed to one side of the slider 13, and an adjusting roller 14 is installed on the other side of the slider 13;
[0024] The support plate 2 is provided with three limit holes 4 at equal intervals inside, a mounting ear 5 is fixed on the outer wall of the other end of the rotating shaft 3, a locking screw 6 is rotatably mounted inside the mounting ear 5, and a control panel 32 is mounted on one side of the support plate 2; when working, in actual application, unstable paper tension may cause the paper to become loose or tight during the transmission process, directly affecting the printing quality, excessive tension may cause the paper to deform, and too low tension may cause the paper to deviate or wrinkle during the printing process, resulting in quality problems such as unclear images and uneven colors, when the drive motor 8 is working, its output end drives the turntable 9 to rotate, and the slide bar 11 It slides inside the arc groove 10, thereby driving the slider 13 to slide in the slide groove 12. As the slider 13 moves, the position of the adjusting roller 14 will also change accordingly, so that the tension of the paper when passing through the adjusting roller 14 can be adjusted, ensuring that the paper maintains appropriate tension during the transmission process to avoid loosening or tension. When different adjusting rollers 14 need to be used in rotation, the locking screw 6 can be rotated to make one end of it disengage from the current limiting hole 4, and then the rotating shaft 3 and the adjusting roller 14 installed thereon are rotated to the position of the next limiting hole 4, and the locking screw 6 is locked again, so as to achieve convenient replacement of the adjusting roller 14.
[0025] See also Figure 4As shown, a fixing plate 15 is fixed to one side of the middle end of the main board 1, and an ink roller 16 and a support roller 17 are respectively installed on one side of the fixing plate 15 through a rotating shaft. A driven gear 18 and a driving gear 19 are respectively installed on the outer wall of the other end of the ink roller 16 and the support roller 17, which penetrate through one side of the fixing plate 15, and the driven gear 18 and the driving gear 19 are meshed with each other. A support seat 20 is installed on one side of the fixing plate 15, and a No. 1 motor 21 is installed inside the support seat 20. One end of the support roller 17 is connected with the output end of the No. 1 motor 21. When working, During the production and processing of paper, the required information needs to be printed on the paper, so a printing press is used. When the No. 1 motor 21 is started, it drives the support roller 17 to rotate. Due to the meshing relationship between the driving gear 19 and the driven gear 18, the inking roller 16 will also rotate. The paper enters the printing part through the bottom side of the adjusting roller 14, passes through the middle of the support roller 17 and the inking roller 16, and the ink on the inking roller 16 is evenly coated on the paper to form the required graphic information. At the same time, the rotation of the support roller 17 helps the paper to pass through the inking roller 16 smoothly and complete the printing process.
[0026] See also Figure 1-4 As shown, a vertical plate 22 is fixed at the other end edge of the main board 1, a winding motor 23 is installed on one side of the vertical plate 22, a rotating shaft 24 is installed on the output end of the winding motor 23, a threaded rod 25 is installed on one side of the rotating shaft 24, and a screw sleeve 26 is installed on the outer wall of the threaded rod 25;
[0027] An L-shaped plate 27 is installed on the top side of the vertical plate 22. Two T-shaped rods 28 are symmetrically slidably installed inside the top side of the L-shaped plate 27. A mounting frame 29 is installed on the bottom side of the T-shaped rod 28. A spring 30 is fixed between the mounting frame 29 and the L-shaped plate 27. The spring 30 is sleeved on the outer wall of the T-shaped rod 28. A squeezing roller 31 is installed inside the mounting frame 29 through a pin. When working, paper processing is often a continuous process. The winding operation, as a part of the production process, can roll the processed paper in an orderly manner. Wind it up, for subsequent processing, the take-up drum is mounted on the outer wall of the rotating shaft 24, and the take-up drum is fixed by rotating the screw sleeve 26 on the outer wall of the threaded rod 25, and then the take-up motor 23 is started, and its output end drives the rotating shaft 24 to start rotating, and the printed paper is wound from the bottom side of the take-up drum. During winding, the squeezing roller 31 applies a certain pressure to the paper under the reaction force of the spring 30, helping the paper to fit better on the take-up drum, thereby realizing automatic winding of the paper and conveniently realizing the operation of changing or unloading the roll.
[0028] Working principle, tension adjustment: when the driving motor 8 is working, its output end drives the turntable 9 to rotate, and the slide bar 11 slides inside the arc groove 10, thereby driving the slider 13 to slide in the slide groove 12. As the slider 13 moves, the position of the adjusting roller 14 will also change accordingly, so that the tension of the paper when passing through the adjusting roller 14 can be adjusted to ensure that the paper maintains appropriate tension during the transmission process to avoid loosening or tightening. When it is necessary to rotate different adjusting rollers 14, the locking screw 6 can be rotated to make one end of the adjusting roller 14 disengage from the current limiting hole 4, and then the rotating shaft 3 and the adjusting roller 14 mounted thereon are rotated to the position of the next limiting hole 4, and the locking screw 6 is locked again, so as to realize the convenient replacement of the adjusting roller 14;
[0029] Printing: When the No. 1 motor 21 is started, it drives the support roller 17 to rotate. Due to the meshing relationship between the driving gear 19 and the driven gear 18, the inking roller 16 will also rotate. The paper enters the printing part through the bottom side of the adjusting roller 14, passes through the middle of the support roller 17 and the inking roller 16, and the ink on the inking roller 16 is evenly coated on the paper to form the required graphic information. At the same time, the rotation of the support roller 17 helps the paper to pass through the inking roller 16 smoothly and complete the printing process;
[0030] Winding: The winding drum is mounted on the outer wall of the rotating shaft 24, and the winding drum is fixed by rotating the screw sleeve 26 on the outer wall of the threaded rod 25. Then, the winding motor 23 is started, and its output end drives the rotating shaft 24 to start rotating, and the printed paper is wound from the bottom side of the winding drum. During winding, the squeezing roller 31 exerts a certain pressure on the paper under the reaction force of the spring 30, helping the paper to fit better on the winding drum, thereby realizing automatic winding of the paper and conveniently realizing the operation of changing or unloading the roll.
[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A paper tension adjustment device, characterized in that: The invention comprises a main board (1), a support board (2) is installed at the top side edge of the main board (1), a rotating shaft (3) is rotatably installed inside the support board (2), a mounting cavity (7) is fixed at one end of the rotating shaft (3), a driving motor (8) is installed at one side inside the mounting cavity (7), a turntable (9) is installed at the output end of the driving motor (8), three arc grooves (10) are equidistantly provided inside the turntable (9), a sliding rod (11) is slidably installed inside the arc groove (10), three sliding grooves (12) are equidistantly provided inside the top side of the mounting cavity (7), a sliding block (13) is slidably installed inside the sliding grooves (12), one end of the sliding rod (11) is fixed to one side of the sliding block (13), and an adjusting roller (14) is installed on the other side of the sliding block (13).
2. A paper tension adjustment device according to claim 1, characterized in that: Three limiting holes (4) are equidistantly formed inside the support plate (2); a mounting ear (5) is fixed on the outer wall of the other end of the rotating shaft (3); a locking screw (6) is rotatably mounted inside the mounting ear (5); one end of the locking screw (6) passes through the mounting ear (5) and is rotatably mounted inside the limiting hole (4).
3. A paper tension adjustment device according to claim 2, characterized in that: A fixing plate (15) is fixed to one side of the middle end of the main plate (1), and an ink roller (16) and a support roller (17) are respectively mounted on one side of the fixing plate (15) through a rotating shaft. A driven gear (18) and a driving gear (19) are respectively mounted on the outer walls of the other ends of the ink roller (16) and the support roller (17) and on one side of the fixing plate (15), which penetrate through the fixed plate (15), and the driven gear (18) and the driving gear (19) are meshed with each other. A support seat (20) is mounted on one side of the fixing plate (15), and a No. 1 motor (21) is mounted inside the support seat (20). One end of the support roller (17) is connected to the output end of the No. 1 motor (21).
4. A paper tension adjustment device according to claim 3, characterized in that: A vertical plate (22) is fixed to the edge of the other end of the main board (1); a winding motor (23) is installed on one side of the vertical plate (22); a rotating shaft (24) is installed on the output end of the winding motor (23); a threaded rod (25) is installed on one side of the rotating shaft (24); and a screw sleeve (26) is installed on the outer wall of the threaded rod (25).
5. A paper tension adjustment device according to claim 4, characterized in that: An L-shaped plate (27) is installed on the top side of the vertical plate (22), two T-shaped rods (28) are symmetrically slidably installed inside the top side of the L-shaped plate (27), a mounting frame (29) is installed on the bottom side of the T-shaped rod (28), a spring (30) is fixedly connected between the mounting frame (29) and the L-shaped plate (27), the spring (30) is sleeved on the outer wall of the T-shaped rod (28), and a squeezing roller (31) is installed inside the mounting frame (29) through a pin.
6. A paper tension adjustment device according to claim 1, characterized in that: A control panel (32) is installed on one side of the support plate (2), and the control panel (32) is used to control the operation of electrical components inside the device.