Paper anti-curling mechanism of printing machine
By introducing a screw and motor-driven pressure plate structure into the printing press, combined with an electric telescopic rod to adjust the height of the conveyor roller, the problem of poor anti-curling effect of existing anti-curling mechanisms is solved, achieving effective paper smoothing and tension adjustment, and improving printing quality.
Patent Information
- Application Number
- CN202520446115.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing anti-curling mechanism of printing presses has a simple structure, poor anti-curling effect, and cannot smooth out existing wrinkles, which affects the printing quality.
A pressure plate structure including a first screw and a motor drive was designed. By adjusting the height and movement of the pressure plate, the paper is smoothed. Combined with the electric telescopic rod to adjust the height of the conveyor roller, the paper tension is adjusted, thus achieving effective anti-curling and smoothing of paper of different thicknesses.
It effectively prevents paper from curling, ensures paper flatness, improves anti-curling effect, and avoids paper breakage or wrinkling during printing.
Smart Images

Figure CN223672091U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of printing machine, concretely relates to a printing machine paper anti-curling mechanism. BACKGROUND
[0002] The printing machine is the machine of printing character and image. The modern printing machine is generally composed of the mechanism of mounting the edition, coating the ink, stamping, paper feeding (including folding) etc. Its working principle is: first, the character and image to be printed are made into the edition, are mounted on the printing machine, then the ink is coated on the place with the character and image of the edition by hand or printing machine, is directly or indirectly transferred to the paper or other printing material (such as textile, metal plate, plastic, leather, wood board, glass and ceramic) and is copied the same printing product with the edition, and the printing process is avoided to curl the paper to affect the printing quality, needs to be assisted by the anti-curling mechanism.
[0003] The existing anti-curling mechanism structure is relatively simple, the anti-curling effect is poor, and does not have a smoothing structure, cannot smooth the wrinkle that has been produced, and further reduces the anti-curling effect. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem to overcome the existing defects, provides a printing machine paper anti-curling mechanism to solve the problem that the existing anti-curling mechanism structure is relatively simple, the anti-curling effect is poor, and does not have a smoothing structure, cannot smooth the wrinkle that has been produced, and further reduces the anti-curling effect in the background technique.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a printing machine paper anti-curling mechanism, including mechanism body, the inside one side symmetry of mechanism body is rotatably connected with first screw rod, one the first screw rod one end is fixedly connected in the output end of motor, the first screw rod bottom is provided with the pressing plate, the inside one side of pressing plate is provided with first sliding slot, the inside one side of first sliding slot is fixedly connected with second screw rod, the outside symmetry of second screw rod is screw connected with moving block, the outside screw of first screw rod is connected with connecting block, the inside one side symmetry of mechanism body is provided with second sliding slot, the inside of mechanism body is provided with second conveying roller.
[0006] Preferably, the inside of the mechanism body is rotatably connected with a first conveying roller.
[0007] Preferably, the motor and the mechanism body are fixedly connected, and the first screw rod is drivingly connected with a transmission chain at one end.
[0008] Preferably, the moving block and the first sliding slot are slidingly connected.
[0009] Preferably, the moving block is rotatably connected with the connecting block through a rotating rod.
[0010] Preferably, the second conveying roller is rotatably connected with a limiting block at both ends, and the limiting block is slidably connected with the second sliding groove.
[0011] Preferably, the top of the limiting block is fixedly connected with the output end of an electric telescopic rod, and the electric telescopic rod is fixedly connected with the mechanism body.
[0012] Preferably, the mechanism body is internally and symmetrically fixedly connected with a platform.
[0013] Compared with the prior art, the printing machine paper anti-curling mechanism has the following beneficial effects:
[0014] 1. The second screw is arranged, so that the moving blocks can slide in the first sliding grooves, the distance between the two moving blocks is adjusted, the moving blocks are rotatably connected with the connecting blocks through the rotating rods, and then the height of the pressing plate is adjusted, the pressing plate is convenient for flattening paper of different thicknesses, the first screw is driven to rotate by the motor in the process, the first screw is threadedly connected with the connecting blocks, the pressing plate is moved forward and backward, the flattening work of the pressing plate on the paper is realized in two directions, the paper curling can be effectively prevented during printing and processing, the flattening effect is better, the paper is more flat, the problem that the existing anti-curling mechanism has a relatively simple structure, a poor anti-curling effect, and no flattening structure, and cannot flatten the wrinkles that have been generated, and then reduces the anti-curling effect is solved.
[0015] 2. The electric telescopic rod is arranged to push the limiting blocks to slide in the second sliding grooves, the limiting blocks are rotatably connected with the second conveying rollers, and then the height of the second conveying rollers is adjusted, the tension of the paper is adjusted, the paper is prevented from being broken due to being too tight or wrinkles due to being too loose during the conveying process, and the anti-curling effect of the mechanism is increased.
[0016] The parts not involved in the device are the same as or can be realized by the prior art, the structure of the device is scientific and reasonable, safe and convenient to use, and great help is provided for people. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application, and in the drawings:
[0018] Figure 1 Fig. 1 is a side view of a printing machine paper anti-curling mechanism according to the present application;
[0019] Figure 2The utility model provides a kind of axis measurement structure schematic view of the other side of the paper anti-curling mechanism of printing machine;
[0020] Figure 3 The utility model provides a kind of front view cross section structure schematic view of the paper anti-curling mechanism of printing machine;
[0021] Figure 4 The utility model provides a kind of rotating rod structure schematic view of the paper anti-curling mechanism of printing machine;
[0022] Figure 5 The utility model provides a kind of pressing plate structure schematic view of the paper anti-curling mechanism of printing machine;
[0023] Figure 6 The utility model provides a kind of overhead structure schematic view of the paper anti-curling mechanism of printing machine;
[0024] In the drawing: mechanism body 1, first conveying roller 2, motor 3, first screw rod 4, transmission chain 5, pressing plate 6, first sliding groove 7, second screw rod 8, moving block 9, connecting block 10, rotating rod 11, second sliding groove 12, second conveying roller 13, limit block 14, electric telescopic rod 15, platform 16. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Please refer to Figures 1-6The utility model provides a technical scheme: a printing machine paper anti-curling mechanism, including mechanism body 1, the inside one side symmetry of mechanism body 1 is connected with the first screw rod 4, one's first screw rod 4 one end is fixedly connected in the output of motor 3, the bottom of first screw rod 4 is provided with the pressing plate 6, the inside one side of pressing plate 6 is provided with the first sliding slot 7, the inside one side fixedly connected with second screw rod 8 has in the first sliding slot 7, the outside symmetry of second screw rod 8 is connected with the moving block 9 of screw thread, the outside screw thread of first screw rod 4 is connected with the connecting block 10, the moving block 9 can slide in the first sliding slot 7, adjusts the distance between two moving blocks 9, the moving block 9 is rotatably connected with connecting block 10 through rotating rod 11, and then the height of pressing plate 6 is adjusted, and it is convenient for the pressing plate 6 to carry out the smoothing work to the paper of different thicknesses, and in the process, the first screw rod 4 is driven to rotate by motor 3, the first screw rod 4 is connected with the connecting block 10 of screw thread, so that the pressing plate 6 realizes the movement back and forth, realizes the smoothing work of the pressing plate 6 to the paper in two directions, can effectively prevent the paper curling when printing processing, and the smoothing effect is better, makes the paper more flat, solves the problems that the existing anti-curling mechanism structure is relatively simple, the anti-curling effect is poor, and does not have smoothing structure, cannot smooth the wrinkle that has generated, and then reduces the anti-curling effect, the inside one side symmetry of mechanism body 1 is provided with the second sliding slot 12, and the inside of mechanism body 1 is provided with the second conveying roller 13.
[0027] In the utility model, preferably, the inside of mechanism body 1 is rotatably connected with the first conveying roller 2.
[0028] In the utility model, preferably, the outside one end of first screw rod 4 is drivingly connected with transmission chain 5.
[0029] In the utility model, preferably, the moving block 9 and the first sliding slot 7 are slidingly connected.
[0030] In the utility model, preferably, the moving block 9 is rotatably connected with the connecting block 10 through rotating rod 11.
[0031] In the utility model, preferably, the second conveying roller 13 is rotatably connected with the limiting block 14 at both ends, and the limiting block 14 and the second sliding slot 12 are slidingly connected.
[0032] In the utility model, preferably, the top of limiting block 14 is fixedly connected to the output end of electric telescopic rod 15, and the electric telescopic rod 15 and the mechanism body 1 are fixedly connected, the electric telescopic rod 15 drives the limiting block 14 to slide in the second sliding slot 12, the limiting block 14 is rotatably connected with the second conveying roller 13, and then the height of the second conveying roller 13 is adjusted, the tension of the paper is adjusted, the paper is prevented from being broken or wrinkled due to excessive tension or slackness during conveying, and the anti-curling effect of the mechanism is improved.
[0033] The mechanism body 1 is internally and symmetrically fixedly connected with a platform 16.
[0034] The working principle and use process of the utility model are as follows: when in use, first, the moving block 9 can slide in the first sliding groove 7 by rotating the second screw 8, the distance between the two moving blocks 9 is adjusted, the moving block 9 is rotationally connected with the connecting block 10 through the rotating rod 11, and then the height of the pressing plate 6 is adjusted, the pressing plate 6 is convenient for flattening paper of different thicknesses, then the paper is conveyed between the two first conveying rollers 2, the paper curling is effectively prevented, the first screw 4 is driven to rotate by the motor 3 in the process, the first screw 4 is threadedly connected with the connecting block 10, the pressing plate 6 is moved forward and backward, the flattening work of the paper by the pressing plate 6 in two directions is realized, the paper curling is effectively prevented when printing, the flattening effect is better, the paper is more flat, the problems that the existing anti-curling mechanism has relatively simple structure, the anti-curling effect is poor, does not have a flattening structure, the already generated wrinkle cannot be flattened, and the anti-curling effect is reduced are solved, the limiting block 14 can slide in the second sliding groove 12 by the electric telescopic rod 15 according to the actual paper toughness requirement, the limiting block 14 is rotationally connected with the second conveying roller 13, and then the height of the second conveying roller 13 is adjusted, the paper tension is adjusted, the paper is prevented from being broken or generating a wrinkle due to being too tight or too loose in the conveying process, and the anti-curling effect of the mechanism is increased.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A paper anti-curling mechanism for a printing press, comprising a mechanism body (1), characterized in that: The inside one side of the mechanism body (1) is symmetrically connected with a first screw rod (4), one end of the first screw rod (4) is fixedly connected to the output end of the motor (3), the bottom of the first screw rod (4) is provided with a pressing plate (6), the inside one side of the pressing plate (6) is provided with a first sliding groove (7), the inside one side of the first sliding groove (7) is fixedly connected with a second screw rod (8), the outer side of the second screw rod (8) is symmetrically connected with a moving block (9), the outer side of the first screw rod (4) is threadedly connected with a connecting block (10), the inside one side of the mechanism body (1) is symmetrically provided with a second sliding groove (12), and the inside of the mechanism body (1) is provided with a second conveying roller (13).
2. A paper anti-curling mechanism for a printing press according to claim 1, characterized in that: The inside of the mechanism body (1) is symmetrically connected with a first conveying roller (2).
3. A paper anti-curling mechanism for a printing press as claimed in claim 1, characterized in that: The motor (3) and the mechanism body (1) are fixedly connected, and the outer side of the first screw rod (4) is drivingly connected with a transmission chain (5).
4. A paper anti-curling mechanism for a printing press as claimed in claim 1, characterized in that: The moving block (9) and the first sliding groove (7) are slidingly connected.
5. A paper anti-curling mechanism for a printing press as claimed in claim 1, characterized in that: The moving block (9) is rotatably connected with the connecting block (10) through a rotating rod (11).
6. A paper anti-curling mechanism for a printing press as claimed in claim 1, characterized in that: The two ends of the second conveying roller (13) are rotatably connected with a limiting block (14), and the limiting block (14) and the second sliding groove (12) are slidingly connected.
7. A paper anti-curling mechanism for a printing press as claimed in claim 6, characterized in that: The top of the limiting block (14) is fixedly connected to the output end of the electric telescopic rod (15), and the electric telescopic rod (15) and the mechanism body (1) are fixedly connected.
8. A paper anti-curling mechanism for a printing press as claimed in claim 1, characterized in that: The inside of the mechanism body (1) is symmetrically fixedly connected with a platform (16).