Anti-curl post-print paper flattening mechanism
By adjusting the design of the components and driving components, the paper can be leveled for different widths, solving the problem of limited applicability of existing devices and improving leveling efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI WANRUN LIFE TECHNOLOGY CO LTD
- Filing Date
- 2025-08-19
- Publication Date
- 2026-06-12
AI Technical Summary
Existing post-printing paper leveling devices are not suitable for paper of different widths, thus limiting their application range.
By using the adjustment and drive components together, the distance between the pressing rollers can be adjusted, and by combining the movement of the heating roller and the pressing roller, it can adapt to the leveling requirements of paper of different widths.
This improves the device's applicability and effectiveness, allowing it to better adapt to flattening paper of different widths, and enabling paper to be removed or placed without manually lifting the movable plate.
Smart Images

Figure CN224349999U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of paper leveling equipment, specifically a post-printing paper leveling mechanism to prevent curling. Background Technology
[0002] A post-printing paper leveling mechanism is an automated device used to eliminate the curling and deformation of paper caused by heat, pressure or humidity changes during the printing process. Its core objective is to restore the paper to a flat state through mechanical or physical means, so as to ensure the accuracy of subsequent processing (such as cutting, binding and packaging) and the quality of finished products.
[0003] When paper curls or deforms due to heat, pressure, or humidity changes after printing, existing devices process and press the printed paper using heated rollers. However, the length of the existing pressing rollers is fixed, making it unsuitable for flattening paper of different widths and reducing the device's applicability.
[0004] Therefore, we propose a post-printing paper leveling mechanism to prevent curling, in order to solve the problems mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a post-printing paper leveling mechanism that prevents curling, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a paper leveling mechanism for preventing curling after printing, comprising a processing table, a controller fixedly installed on the front side of the processing table near the other side, a sliding seat fixedly installed on the rear side of the processing table, clamps provided on the top of the processing table near both sides, an L-shaped frame provided on the top of the sliding seat, a movable plate provided at the bottom of the L-shaped frame, fixed plates fixedly installed on the bottom of the movable plate near both the front and rear sides, a heating roller rotatably connected to the inner cavity of the fixed plates, a drive assembly provided on the rear side of the processing table, and an adjustment assembly provided on the top of the movable plate;
[0007] The adjustment assembly includes fixed blocks fixedly installed on the top of the movable plate near the front and rear sides, and a servo motor located on the top of the movable plate near the front side. A threaded rod is fixedly installed on the end of the servo motor's power output shaft. The rear end of the threaded rod movably passes through the inner cavity of the adjacent fixed block and is rotatably connected to the fixed block located on the rear side. Threaded sleeves are threadedly connected to the outer periphery of the threaded rod near the middle position, and connecting plates are fixedly installed at the bottom of the threaded sleeves. The bottom of the connecting plates movably passes through the inner cavity of the movable plate. A rolling roller is movably sleeved on the outer periphery of the heating roller near the middle position, and the bottom of the connecting plates is movably inserted into the outer periphery of the rolling roller.
[0008] Preferably, a load-bearing plate is fixedly installed at the bottom of the servo motor, and the rear side of the load-bearing plate is fixedly connected to an adjacent fixed block.
[0009] Preferably, a limiting block is fixedly installed on the top of each threaded sleeve, and the limiting blocks move through the limiting rod on opposite sides, with the two ends of the limiting rod being fixedly connected to the fixing block respectively.
[0010] Preferably, the top of the rolling roller is provided with a limiting ring on the opposite side, and the bottom of the connecting plate is movably inserted into the inner cavity of the limiting ring.
[0011] Preferably, a rectangular block is fixedly installed at the bottom center of the processing table, and electric telescopic rods are fixedly installed on both sides of the rectangular block. T-shaped rods are fixedly installed at opposite ends of the electric telescopic rods, and the top ends of the T-shaped rods movably penetrate the bottom of the processing table and are fixedly connected to adjacent clamping plates respectively.
[0012] Preferably, mounting blocks are fixedly installed on the opposite side of the clamping plate near the front and rear sides, and a fixed shaft is rotatably connected to the rear mounting block. The front end of the fixed shaft moves through the adjacent mounting block and is fixedly installed with a knob. A torsion spring is movably sleeved on the outer periphery of the fixed shaft near the front end, and one end of the torsion spring is fixedly connected to the fixed shaft, and the other end of the torsion spring is fixedly connected to the knob. Several clamping blocks are fixedly sleeved on the outer periphery of the fixed shaft.
[0013] Preferably, an electric slide rail is fixedly installed on the top of the sliding seat near the front and rear sides, and an electric slider is slidably connected to the outer periphery of the electric slide rail. A movable block is fixedly installed on the top of the electric slider, and the top of the movable block is fixedly connected to the L-shaped frame.
[0014] Preferably, the drive assembly includes a reset telescopic rod fixedly installed on the top of the movable plate near its periphery and a reset spring movably sleeved on the outer periphery of the reset telescopic rod. The top ends of the reset telescopic rod are fixedly connected to the L-shaped frame, and the two ends of the reset spring are fixedly connected to the movable plate and the L-shaped frame respectively. An n-shaped plate is fixedly installed on the bottom end of a connecting rod on one side of the movable plate. A sliding roller is rotatably connected to the inner cavity of the n-shaped plate. A movable frame is fixedly installed on the rear side of the sliding seat near one side.
[0015] Preferably, a plurality of long strips are fixedly installed on the outer periphery of the heating roller, and the inner cavity of the rolling roller is provided with grooves that are adapted to the long strips, and the rolling rollers are all slidably connected to the outer periphery of the long strips.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. When leveling printed paper, with the cooperation of the adjustment components, the threaded sleeve connected to the outer circumference of the threaded rod can be moved to the opposite side by rotating the threaded rod, thereby adjusting the distance between the pressure rollers. This allows for leveling of paper of different widths and improves the applicability of the device.
[0018] 2. After the printed paper is flattened, when the L-shaped frame moves to one side, with the cooperation of the drive component, the movable plate can be moved upward when the L-shaped frame moves to one side, which can prevent the pressing roller from passing over the clamping plate. There is no need to manually lift the movable plate, and it is convenient to take out or put down the paper, thus improving the use effect of the device. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a bottom-view three-dimensional structural diagram of the present invention;
[0021] Figure 3 This is a schematic diagram of the overall three-dimensional structure of this utility model from another perspective;
[0022] Figure 4 This is a three-dimensional structural diagram of the adjustment component of this utility model;
[0023] Figure 5 This is an exploded view of the heating roller, strip, and pressing roller of this utility model;
[0024] Figure 6 This is an exploded view of the clamp, knob, and torsion spring of this utility model.
[0025] In the diagram: 1. Processing table; 11. Rectangular block; 12. Electric telescopic rod; 13. T-shaped rod; 2. Sliding seat; 21. Electric slide rail; 22. Electric slider; 23. Movable block; 3. Controller; 4. L-shaped frame; 5. Movable plate; 6. Adjustment assembly; 61. Fixed block; 62. Servo motor; 621. Load-bearing plate; 63. Threaded rod; 64. Threaded sleeve; 641. Limiting block; 642. Limiting rod; 65. Connecting plate; 66. Roller; 661. Limiting ring; 7. Drive assembly; 71. Reset telescopic rod; 72. Reset spring; 73. Connecting rod; 74. N-shaped plate; 75. Sliding roller; 76. Moving frame; 8. Fixed plate; 9. Heating roller; 91. Long strip; 10. Clamping plate; 101. Clamping block; 102. Fixed shaft; 103. Knob; 104. Torsion spring; 105. Mounting block. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1
[0028] Please see Figure 1-6 A paper leveling mechanism for preventing curling after printing includes a processing table 1. A controller 3 is fixedly installed on the front side of the processing table 1 near the other side (the controller 3 is electrically connected to the electrical components of this device). A sliding seat 2 is fixedly installed on the rear side of the processing table 1. Clamping plates 10 are provided on the top of the processing table 1 near both sides. An L-shaped frame 4 is provided on the top of the sliding seat 2. A movable plate 5 is provided at the bottom of the L-shaped frame 4. Fixed plates 8 are fixedly installed on the bottom of the movable plate 5 near both the front and rear sides. A heating roller 9 is rotatably connected to the inner cavity of the fixed plate 8 (the heating roller 9 is connected to an external power supply and can be powered). A drive assembly 7 is provided on the rear side of the processing table 1. An adjustment assembly 6 is provided on the top of the movable plate 5.
[0029] The adjustment assembly 6 includes fixed blocks 61 fixedly installed on the top of the movable plate 5 near the front and rear sides, and a servo motor 62 located on the top of the movable plate 5 near the front side. A threaded rod 63 is fixedly installed on the end of the power output shaft of the servo motor 62. (The threaded rod 63 has opposite external threads near its front and rear ends on its outer circumference, and the threads have the same precision. When the threaded rod 63 rotates, the threaded sleeve 64 threaded to its outer circumference moves synchronously.) The rear end of the threaded rod 63 movably passes through the inner cavity of the adjacent fixed block 61 and is rotatably connected to the rear fixed block 61. (Bearings are fixedly installed on each fixed block 61, and the threaded rod...) The rear end of 63 passes through the inner cavity of the bearing and is inserted into the inner cavity away from the bearing. Threaded sleeves 64 are threadedly connected to the outer periphery of threaded rod 63 near the middle position. Connecting plates 65 are fixedly installed at the bottom of threaded sleeves 64. The bottom of connecting plates 65 movably passes through the inner cavity of movable plate 5. (A rectangular opening A is opened at the top of movable plate 5, and the bottom of connecting plates 65 movably passes through the inner cavity of rectangular opening A.) Rolling rollers 66 are movably sleeved on the outer periphery of heating roller 9 near the middle position. (Rolling rollers 66 can be made of iron material with good thermal conductivity.) The bottom of connecting plates 65 are movably inserted into the outer periphery of rolling rollers 66.
[0030] Specifically, when leveling printed paper, with the cooperation of the adjusting component 6, the threaded sleeve 64, which is threaded to the outer circumference of the threaded rod 63, can move to the opposite side under the rotation of the threaded rod 63, thereby adjusting the distance between the pressing rollers 66, enabling leveling operations on paper of different widths and improving the applicability of the device.
[0031] A load-bearing plate 621 is fixedly installed at the bottom of the servo motor 62, and the rear side of the load-bearing plate 621 is fixedly connected to the adjacent fixed block 61.
[0032] Specifically, by setting up the load-bearing plate 621, the servo motor 62 can be supported, thereby improving the stability of the servo motor 62's operation.
[0033] Limiting blocks 641 are fixedly installed on the top of each threaded sleeve 64. The opposite sides of the limiting blocks 641 move through the limiting rod 642, and the two ends of the limiting rod 642 are fixedly connected to the fixing block 61 respectively.
[0034] Specifically, the movement of the threaded sleeve 64 can be limited by setting the limit block 641 and the limit rod 642.
[0035] Limiting rings 661 are provided on the top of the rolling roller 66 near the opposite side, and the bottom of the connecting plate 65 is movably inserted into the inner cavity of the limiting ring 661.
[0036] Specifically, by setting a limit ring 661, the stability of the rolling roller 66 driven by the connecting plate 65 can be improved.
[0037] A rectangular block 11 is fixedly installed at the bottom center of the processing table 1. Electric telescopic rods 12 are fixedly installed on both sides of the rectangular block 11. T-shaped rods 13 are fixedly installed on the opposite ends of the electric telescopic rods 12. The top ends of the T-shaped rods 13 can be moved through the bottom of the processing table 1 and are fixedly connected to the adjacent clamping plates 10 respectively.
[0038] Specifically, the position of the clamping plate 10 can be adjusted by setting the electric telescopic rod 12, which is suitable for limiting paper of different lengths.
[0039] Mounting blocks 105 are fixedly installed on one side of the clamping plate 10 near the front and rear sides. A fixed shaft 102 is rotatably connected to the rear mounting block 105. The front end of the fixed shaft 102 moves through the adjacent mounting block 105 and is fixedly installed with a knob 103. A torsion spring 104 is movably sleeved on the outer periphery of the fixed shaft 102 near the front end. One end of the torsion spring 104 is fixedly connected to the fixed shaft 102, and the other end of the torsion spring 104 is fixedly connected to the knob 103. Several clamping blocks 101 are fixedly sleeved on the outer periphery of the fixed shaft 102.
[0040] Specifically, when fixing the paper, the knob 103 can be rotated to rotate the fixing shaft 102 fixed on the knob 103, which in turn can flip up several clamping blocks 101 and place the paper at the bottom. Then, the knob 103 is released, and the clamping blocks 101 can be limited by the torsion spring 104.
[0041] Electric slide rails 21 are fixedly installed on the top of the sliding seat 2 near the front and rear sides, and electric sliders 22 are slidably connected to the outer periphery of the electric slide rails 21. Movable blocks 23 are fixedly installed on the top of the electric sliders 22, and the top of the movable blocks 23 is fixedly connected to the L-shaped frame 4.
[0042] Specifically, the position of the L-shaped frame 4 can be adjusted by setting the electric slide rail 21 and the electric slider 22.
[0043] Several strips 91 are fixedly installed on the outer periphery of the heating roller 9, and the inner cavity of the rolling roller 66 is provided with grooves that are adapted to the strips 91, and the rolling roller 66 is slidably connected to the outer periphery of the strips 91.
[0044] Specifically, by setting the long strip 91, the rolling roller 66 can be limited when it moves around the outer periphery of the heating roller 9.
[0045] Example 2
[0046] This embodiment is an improvement upon embodiment 1. For details, please refer to [link / reference]. Figure 1 and Figure 3 The drive assembly 7 includes a reset telescopic rod 71 fixedly installed on the top of the movable plate 5 near its periphery and a reset spring 72 movably sleeved on the outer periphery of the reset telescopic rod 71. The top ends of the reset telescopic rod 71 are fixedly connected to the L-shaped frame 4. The two ends of the reset spring 72 are fixedly connected to the movable plate 5 and the L-shaped frame 4 respectively. A connecting rod 73 is fixedly installed on one side of the movable plate 5, and an n-shaped plate 74 is fixedly installed at the bottom end. The inner cavity of the n-shaped plate 74 is rotatably connected to a sliding roller 75. A movable frame 76 is fixedly installed on the rear side of the sliding seat 2 near one side.
[0047] Specifically, after the printed paper is flattened, when the L-shaped frame 4 moves to one side, with the cooperation of the drive component 7, the movable plate 5 can move upward when the L-shaped frame 4 moves to one side, with the cooperation of the movable frame 76. This prevents the pressing roller 66 from passing over the clamping plate 10, eliminates the need for manual lifting of the movable plate 5, and facilitates the removal or placement of the paper, thus improving the effectiveness of the device.
[0048] Working Principle: In use, the printed paper is first placed on top of the processing table 1. Several clamping blocks 101 then secure the paper. The controller 3 activates the electric slide rail 21, which, in conjunction with the electric slider 22, moves the L-shaped frame 4 fixed on the movable block 23 to the right, allowing the heating roller 9 to contact the paper. The heating roller 9 and the pressing roller 66 work together to flatten the paper. During flattening, the controller 3 activates the servo motor 62. The rotation of the servo motor 62's power output shaft drives the threaded rod 63 fixed to the end of the servo motor 62's power output shaft to rotate. The threaded rod 63 has opposite external threads near its front and rear ends. The threaded sleeve 64, which is threaded to the outer circumference of the threaded rod 63, can move to the opposite side under the limitation of the limiting block 641 and the limiting rod 642. With the connection of the connecting plate 65, the two pressing rollers 66 can move to the opposite side. This is suitable for leveling paper of different widths. After the leveling work is completed, the electric slide rail 21 can be started by the controller 3. With the cooperation of the electric slider 22, the L-shaped frame 4 fixed on the movable block 23 can be moved to one side. With the cooperation of the moving frame 76, the movable plate 5 can be moved upward, so that the heating roller 9 can pass over the clamping plate 10. There is no need to manually lift the movable plate 5, which is beneficial for taking out or putting down the paper and improving the use effect of the device.
[0049] The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0050] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A paper leveling mechanism for preventing curling after printing, comprising a processing table (1), characterized in that: A controller (3) is fixedly installed on the front side of the processing table (1) near the other side. A sliding seat (2) is fixedly installed on the rear side of the processing table (1). A clamping plate (10) is provided on the top of the processing table (1) near both sides. An L-shaped frame (4) is provided on the top of the sliding seat (2). A movable plate (5) is provided at the bottom of the L-shaped frame (4). A fixed plate (8) is fixedly installed on the bottom of the movable plate (5) near both the front and rear sides. A heating roller (9) is rotatably connected to the inner cavity of the fixed plate (8). A drive assembly (7) is provided on the rear side of the processing table (1). An adjustment assembly (6) is provided on the top of the movable plate (5). The adjustment assembly (6) includes a fixed block (6) fixedly installed on the top of the movable plate (5) near both the front and rear sides. 1) A servo motor (62) is located at the top of the movable plate (5) near the front side. The power output shaft of the servo motor (62) is fixedly mounted with a threaded rod (63). The rear end of the threaded rod (63) moves through the inner cavity of the adjacent fixed block (61) and is rotatably connected to the fixed block (61) located on the rear side. The outer periphery of the threaded rod (63) is threaded with a threaded sleeve (64) near the middle position. The bottom of the threaded sleeve (64) is fixedly mounted with a connecting plate (65). The bottom of the connecting plate (65) moves through the inner cavity of the movable plate (5). The outer periphery of the heating roller (9) is movably sleeved with a rolling roller (66) near the middle position. The bottom of the connecting plate (65) is movably inserted into the outer periphery of the rolling roller (66).
2. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: The bottom of the servo motor (62) is fixedly mounted with a load-bearing plate (621), and the rear side of the load-bearing plate (621) is fixedly connected to the adjacent fixed block (61).
3. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: Each threaded sleeve (64) has a limiting block (641) fixedly installed on its top. The limiting blocks (641) on opposite sides move through a limiting rod (642), and the two ends of the limiting rod (642) are fixedly connected to the fixing block (61).
4. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: Each of the top of the rolling roller (66) has a limiting ring (661) on the opposite side, and the bottom of the connecting plate (65) is movably inserted into the inner cavity of the limiting ring (661).
5. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: A rectangular block (11) is fixedly installed at the middle position of the bottom of the processing table (1). Electric telescopic rods (12) are fixedly installed on both sides of the rectangular block (11). T-shaped rods (13) are fixedly installed on the opposite end of the electric telescopic rods (12). The top of the T-shaped rods (13) can be moved through the bottom of the processing table (1) and are fixedly connected to the adjacent clamping plates (10).
6. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: Mounting blocks (105) are fixedly installed on one side of the clamping plate (10) near the front and rear sides. A fixed shaft (102) is rotatably connected to the rear mounting block (105). The front end of the fixed shaft (102) moves through the adjacent mounting block (105) and is fixedly installed with a knob (103). A torsion spring (104) is movably sleeved on the outer periphery of the fixed shaft (102) near the front end. One end of the torsion spring (104) is fixedly connected to the fixed shaft (102), and the other end of the torsion spring (104) is fixedly connected to the knob (103). Several clamping blocks (101) are fixedly sleeved on the outer periphery of the fixed shaft (102).
7. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: Electric slide rails (21) are fixedly installed on the top of the sliding seat (2) near the front and rear sides, and electric sliders (22) are slidably connected to the outer periphery of the electric slide rails (21). Movable blocks (23) are fixedly installed on the top of the electric sliders (22), and the top of the movable blocks (23) is fixedly connected to the L-shaped frame (4).
8. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: The drive assembly (7) includes a reset telescopic rod (71) fixedly installed on the top of the movable plate (5) near the periphery and a reset spring (72) movably sleeved on the outer periphery of the reset telescopic rod (71). The top ends of the reset telescopic rod (71) are fixedly connected to the L-shaped frame (4). The two ends of the reset spring (72) are fixedly connected to the movable plate (5) and the L-shaped frame (4) respectively. A connecting rod (73) is fixedly installed on one side of the movable plate (5), and an n-shaped plate (74) is fixedly installed at the bottom end. The inner cavity of the n-shaped plate (74) is rotatably connected to a sliding roller (75). A movable frame (76) is fixedly installed on the rear side of the sliding seat (2) near one side.
9. The anti-curling paper leveling mechanism after printing according to claim 1, characterized in that: Several strips (91) are fixedly installed on the outer periphery of the heating roller (9), and the inner cavity of the rolling roller (66) is provided with a groove that matches the strips (91), and the rolling roller (66) is slidably connected to the outer periphery of the strips (91).