Printing machine with texture printing anti-counterfeiting device
By introducing tension sensors and adjustment mechanisms into the printing press, dynamically adjusting the printing paper tension, the deformation and operation problems caused by improper tension in the printing press are solved, and printing efficiency and quality are improved.
Patent Information
- Application Number
- CN202420464730.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-03-11
AI Technical Summary
During the printing process, existing printing presses with texture printing anti-counterfeiting devices lack control over the printing paper tension, which leads to excessive tension and deformation, paper corrugation and ink color unevenness. Too small tension will affect the operation of the printing press, and even Causes paper jam failure and reduces work efficiency.
A printing press with an adjustment mechanism is designed, including a tension sensor and a threaded screw system driven by a drive motor. The tension of the printing paper is dynamically adjusted by damping springs and moving blocks to ensure that it is in proper condition and avoid sagging or pulling. Stretching deformation.
It effectively avoids the tension deformation caused by excessive tension and operational obstacles caused by excessive tension, and improves the working efficiency and printing quality of the printing press.
Smart Images
Figure CN222116352U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing machines, in particular to a printing machine with a texture printing anti-counterfeiting device. Background Art
[0002] A printing press is a machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate mounting, inking, embossing, and paper feeding (including folding). The invention and development of printing presses play an important role in the spread of human civilization and culture. Anti-counterfeiting refers to a proactive measure taken to prevent the imitation, copying, or counterfeiting and sale of other people's products without the permission of the trademark owner by counterfeiting. Among them, a texture printing anti-counterfeiting device is a device for printing anti-counterfeiting marks, which can generate patterns or logos with specific textures on printed products, thereby increasing the anti-counterfeiting and recognizability of the product. Texture printing anti-counterfeiting devices are usually equipped on special printing presses and are achieved through special printing processes and technologies. These devices can be combined with different printing methods, such as gravure printing, screen printing, flexographic printing, etc., to achieve different types of texture effects.
[0003] At present, the printing presses with texture printing anti-counterfeiting devices on the market generally do not have a device to control the printing paper force during the printing process. Too much printing paper force will cause stretching deformation, paper corrugation, uneven ink color, and even the possibility of breaking. Too little tension will affect the normal operation of the printing press and even cause paper jams and other faults, reducing the working efficiency of the printing press. Based on this, this solution provides a printing press with a texture printing anti-counterfeiting device to solve the above-mentioned problems. Utility Model Content
[0004] In order to solve the above technical problems, a printing press with a textured printing anti-counterfeiting device is provided. This technical solution solves the problem mentioned in the above background technology that excessive tension on the printed paper will lead to stretching deformation, paper corrugations, uneven ink color, and even the possibility of breaking. Too little tension will affect the normal operation of the printing press and even cause malfunctions such as paper jams, thereby reducing the working efficiency of the printing press.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A printing machine with a texture printing anti-counterfeiting device comprises a workbench, wherein a film transport roller seat and a film receiving roller seat are respectively installed on both sides of the upper end of the workbench, a first motor is fixedly installed at the front end of the film receiving roller seat, a work box is fixedly connected to the middle part of the upper end of the workbench, through grooves are provided at both left and right ends of the work box, a first guide roller is provided on the lower side of both left and right ends of the work box, a pair of second guide rollers and a pair of third guide rollers are symmetrically provided on the front and rear end inner walls of the work box, an adjustment mechanism is provided on the upper ends of the second guide roller and the third guide roller, a printing roller and an anti-counterfeiting pressing roller are rotatably installed in the middle of the front and rear inner walls of the work box, and the lower end of the printing roller is provided on the ink cartridge The ink cartridge is fixedly connected to the upper end of the workbench, wherein the adjusting mechanism includes a driving motor and a fixed frame, the driving motor is fixedly installed on the top of the working box, the fixed frame is fixedly installed on the rear inner wall of the working box, a threaded screw is rotatably installed inside the fixed frame, the output end of the driving motor passes through the interior of the fixed frame and is fixedly connected to the upper end of the threaded screw, a moving block is threadedly connected to the surface of the threaded screw, a moving rod is fixedly connected to the front end of the moving block, a plurality of damping springs are fixedly connected to the lower end of the moving rod, the other end of the damping spring is fixedly connected to the fixed frame, and a rotating roller is rotatably installed at the lower end of the fixed frame.
[0007] Preferably, the left end of the first guide roller is mounted on the inner side of a mounting frame, and the mounting frame is fixedly connected to the outer wall of the working box.
[0008] Preferably, the two third guide rollers are arranged between the two second guide rollers, and the second guide rollers and the third guide rollers are arranged symmetrically about the rotating roller.
[0009] Preferably, the first guide roller, the second guide roller and the third guide roller are all at the same height.
[0010] Preferably, a plurality of groups of tension sensors are fixedly mounted on the upper side of the fixing frame, and the tension sensors are arranged at the connection between the damping spring and the fixing frame.
[0011] Preferably, a second motor is provided at the front end of the working box, and an output end of the second motor penetrates into the interior of the working box and is fixedly connected to the front end of the printing roller.
[0012] Compared with the prior art, the utility model provides a printing machine with a texture printing anti-counterfeiting device, which has the following beneficial effects:
[0013] 1. In the utility model, the printing paper starts from the film transport roller seat, and the printing paper starts from the film transport roller seat, is guided by the first guide roller to the second guide roller, and the second guide roller guides the rotating roller again, and then the printing is completed by the third guide roller, the printing roller and the anti-counterfeiting pressure roller, and then the third guide roller, the rotating roller, the second guide roller and the first guide roller cooperate to guide the film receiving roller seat again, wherein the rotating roller is connected to a fixed frame, and a tension sensor is installed on the upper end of the fixed frame, and the tension of the printing paper can be monitored by the tension sensor, and the threaded screw is driven by a driving motor to rotate, and the threaded screw drives the moving block to move up and down, and the moving block moves and drives the moving rod to move, and the moving rod drives the fixed frame to move up and down, so as to achieve the purpose of adjusting the tension of the printing paper, and at the same time a damping spring is provided, and the spring can be used to relieve the tension of the printing paper on the printing press, so as to ensure that the printing paper is in an appropriate tension state during the transmission process, and avoid the problems of sudden sagging or stretching deformation of the printing paper. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the internal structure of the working box in the utility model;
[0016] Figure 3 It is a structural schematic diagram of the adjustment mechanism in the utility model.
[0017] The numbers in the figure are:
[0018] 1. Workbench; 2. Film transport roller seat; 3. Film collection roller seat; 4. First motor; 5. Work box; 501. Through slot; 6. First guide roller; 7. Mounting frame; 8. Second guide roller; 9. Third guide roller; 10. Adjustment mechanism; 1001. Drive motor; 1002. Fixed frame; 1003. Threaded screw; 1004. Moving block; 1005. Moving rod; 1006. Damping spring; 1007. Fixed frame; 1008. Rotating roller; 11. Tension sensor; 12. Printing roller; 13. Anti-counterfeiting pressure roller; 14. Second motor; 15. Ink cartridge. DETAILED DESCRIPTION
[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.
[0020] Reference Figure 1-3As shown, a printing machine with a texture printing anti-counterfeiting device comprises a workbench 1, a film conveying roller seat 2 and a film collecting roller seat 3 are respectively installed on both sides of the upper end of the workbench 1, a first motor 4 is fixedly installed on the front end of the film collecting roller seat 3, a work box 5 is fixedly connected to the middle of the upper end of the workbench 1, through grooves 501 are opened at both left and right ends of the work box 5, first guide rollers 6 are arranged on the lower sides of both left and right ends of the work box 5, a pair of second guide rollers 8 and a pair of third guide rollers 9 are symmetrically arranged on the inner walls of the front and rear ends of the work box 5, and the upper ends of the second guide rollers 8 and the third guide rollers 9 are provided with adjusting Mechanism 10, the printing roller 12 and the anti-counterfeiting pressing roller 13 are rotatably installed in the middle of the front and rear inner walls of the working box 5, the lower end of the printing roller 12 is set inside the ink cartridge 15, and the ink cartridge 15 is fixedly connected to the upper end of the workbench 1. The printing paper starts from the film transport roller seat 2, and is guided to the second guide roller 8 through the first guide roller 6. The second guide roller 8 guides the rotating roller 1008 again, and then guides the printing roller 12 and the anti-counterfeiting pressing roller 13 through the third guide roller 9 to complete the printing, and then guides the film receiving roller seat 3 again through the third guide roller 9, the rotating roller 1008, the second guide roller 8 and the first guide roller 6. Among them, the rotating roller 1008 is connected to the fixed frame 1007, and the upper end of the fixed frame 1007 is installed with a tension sensor 11. The tension of the printing paper can be monitored by the tension sensor 11, and the tension of the printing paper can be dynamically adjusted by the adjustment mechanism 10, which can ensure that the printing paper is in an appropriate tension state during the transmission process, and avoid problems such as sudden sagging or stretching deformation of the printing paper.
[0021] Specifically, in this embodiment, the adjustment mechanism 10 includes a driving motor 1001 and a fixed frame 1002, the driving motor 1001 is fixedly installed on the top of the working box 5, the fixed frame 1002 is fixedly installed on the rear inner wall of the working box 5, and a threaded screw 1003 is rotatably installed inside the fixed frame 1002. The output end of the driving motor 1001 penetrates into the interior of the fixed frame 1002 and is fixedly connected to the upper end of the threaded screw 1003. A moving block 1004 is threadedly connected to the surface of the threaded screw 1003, and a moving rod 1005 is fixedly connected to the front end of the moving block 1004. A plurality of groups of damping springs 1006 are fixedly connected to the lower end of the moving rod 1005. The other end of the damping spring 1006 is fixedly connected to a fixed frame 1007, and a rotating roller 1008 is rotatably installed at the lower end of the fixed frame 1007. The threaded screw 1003 is driven to rotate by the driving motor 1001, and the threaded screw 1003 drives the moving block 1004 to move up and down. The movement of the moving block 1004 drives the moving rod 1005 to move, and the moving rod 1005 drives the fixed frame 1007 to move up and down, thereby achieving the purpose of adjusting the tension of the printing paper. The damping spring 1006 can be used to relieve the tension of the printing paper on the printing press, which can ensure that the printing paper is in a proper tension state during the transmission process, and avoid the problems of sudden sagging or stretching deformation of the printing paper.
[0022] Specifically, in this embodiment, the left end of the first guide roller 6 is installed on the inner side of the mounting frame 7 , and the mounting frame 7 is fixedly connected to the outer wall of the working box 5 .
[0023] Specifically, in this embodiment, the two third guide rollers 9 are arranged between the two second guide rollers 8, and the second guide rollers 8 and the third guide rollers 9 are arranged symmetrically about the rotating roller 1008.
[0024] Specifically, in this embodiment, the first guide roller 6, the second guide roller 8 and the third guide roller 9 are all at the same height. The second guide roller 8 and the third guide roller 9 cooperate to make the track of the printing paper vertical up and down, which is convenient for judging the tension of the printing paper.
[0025] Specifically, in this embodiment, a plurality of tension sensors 11 are fixedly mounted on the upper side of the fixing frame 1007, and the tension sensors 11 are arranged at the connection between the damping spring 1006 and the fixing frame 1007. The tension sensor 11 may be a DFX-100, and any sensor that can realize this function in the prior art may be used without limitation.
[0026] Specifically, in this embodiment, a second motor 14 is disposed at the front end of the working box 5 , and an output end of the second motor 14 penetrates into the interior of the working box 5 and is fixedly connected to the front end of the printing roller 12 .
[0027] The working principle of the utility model is: the printing paper starts from the film transport roller seat 2, is guided by the first guide roller 6 to the second guide roller 8, the second guide roller 8 again guides the rotating roller 1008, and then is guided by the third guide roller 9 to the printing roller 12 and the anti-counterfeiting pressure roller 13 to complete the printing, and then is guided by the third guide roller 9, the rotating roller 1008, the second guide roller 8 and the first guide roller 6 to the film receiving roller seat 3 again. Among them, the rotating roller 1008 is connected to the fixed frame 1007, and a tension sensor 11 is installed on the upper end of the fixed frame 1007. The tension of the printing paper can be monitored by the tension sensor 11, and the tension of the printing paper can be dynamically adjusted by the adjustment mechanism 10. The adjustment mechanism 10 drives the threaded screw 1003 to rotate through the driving motor 1001, and the threaded screw 1003 drives the moving block 1004 to move up and down. The movement of the moving block 1004 drives the moving rod 1005 to move, and the moving rod 1005 drives the fixed frame 1007 to move up and down, thereby achieving the purpose of adjusting the tension of the printing paper. The damping spring 1006 can be used to relieve the tension of the printing paper on the printing press, which can ensure that the printing paper is in an appropriate tension state during the transmission process, and avoid problems such as sudden sagging or stretching deformation of the printing paper.
[0028] 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. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A printing machine with a texture printing anti-counterfeiting device, characterized in that: The invention comprises a workbench (1), wherein a film transport roller seat (2) and a film collecting roller seat (3) are respectively installed on both sides of the upper end of the workbench (1), and a first motor (4) is fixedly installed at the front end of the film collecting roller seat (3); a work box (5) is fixedly connected to the middle part of the upper end of the workbench (1), and through grooves (501) are provided at both left and right ends of the work box (5); first guide rollers (6) are provided on the outer sides of both left and right ends of the work box (5); a pair of second guide rollers (8) and a pair of third guide rollers (9) are symmetrically provided on the inner walls at the front and rear ends of the work box (5); an adjustment mechanism (10) is provided at the upper ends of the second guide rollers (8) and the third guide rollers (9); a printing roller (12) and an anti-counterfeiting pressing roller (13) are rotatably installed in the middle part of the front and rear inner walls of the work box (5); the lower end of the printing roller (12) is arranged inside an ink cartridge (15), and the ink cartridge (15) is fixedly connected to the upper end of the workbench (1); The adjusting mechanism (10) comprises a driving motor (1001) and a fixing frame (1002), wherein the driving motor (1001) is fixedly mounted on the top of the working box (5), the fixing frame (1002) is fixedly mounted on the rear inner wall of the working box (5), a threaded screw (1003) is rotatably mounted inside the fixing frame (1002), and an output end of the driving motor (1001) penetrates into the fixing frame (1002) and is in contact with the threaded screw (1003). The upper end of the threaded screw (1003) is fixedly connected, the surface of the threaded screw (1003) is threadedly connected with a moving block (1004), the front end of the moving block (1004) is fixedly connected with a moving rod (1005), the lower end of the moving rod (1005) is fixedly connected with a plurality of groups of damping springs (1006), the other end of the damping spring (1006) is fixedly connected with a fixed frame (1007), and the lower end of the fixed frame (1007) is rotatably mounted with a rotating roller (1008).
2. A printing machine with a texture printing anti-counterfeiting device according to claim 1, characterized in that: The left end of the first guide roller (6) is mounted on the inner side of a mounting frame (7), and the mounting frame (7) is fixedly connected to the outer wall of the working box (5).
3. A printing machine with a texture printing anti-counterfeiting device according to claim 1, characterized in that: The two third guide rollers (9) are arranged in the middle of the two second guide rollers (8), and the second guide rollers (8) and the third guide rollers (9) are symmetrically arranged with respect to the rotating roller (1008).
4. A printing machine with a texture printing anti-counterfeiting device according to claim 1, characterized in that: The first guide roller (6), the second guide roller (8) and the third guide roller (9) are all at the same height.
5. The printing machine with a texture printing anti-counterfeiting device according to claim 1, characterized in that: A plurality of groups of tension sensors (11) are fixedly mounted on the upper side of the fixing frame (1007), and the tension sensors (11) are arranged at the connection between the damping spring (1006) and the fixing frame (1007).
6. A printing machine with a texture printing anti-counterfeiting device according to claim 1, characterized in that: A second motor (14) is provided at the front end of the working box (5), and an output end of the second motor (14) penetrates into the interior of the working box (5) and is fixedly connected to the front end of the printing roller (12).