Digital printing double-sided printing structure

Abstract

The utility model discloses a digital printing double-sided printing structure, which relates to the technical field of printing devices and comprises a mounting plate, an unwinding roller and a winding roller are arranged on the top surface of the mounting plate, and printing paper is arranged between the unwinding roller and the winding roller; a plurality of traction wheels are arranged on the top face of the mounting plate, the surface of the printing paper makes contact with the traction wheels, and a plurality of printing conveying rollers are arranged on the surface of the mounting plate. Six ink box board card assemblies are arranged on the top surface of the mounting plate; due to the fact that the multiple printing conveying rollers and the ink box board card assemblies are arranged, routing of printing paper is smooth, and meanwhile the ink box board card assemblies can fully jet ink in the printing process; after the front face of the printing paper is printed through the ink box board card assemblies, the printing paper enters the overturning frame to be folded back and forth, the other face of the printing paper is made to be right opposite to the ink box board card assembly on the outermost side during wiring, the ink box board card assembly on the outermost side conducts spraying printing on the other face of the printing paper through the spraying head, and therefore the two faces of the printing paper are colored.

Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to a digital printing double-sided printing structure. Background Art

[0002] The current double-sided printing platform prints the front side first and then the back side. Both printing passes through the printing press, the paper path is narrow, paper changing is difficult, operation is inconvenient, and it takes a lot of time.

[0003] In the prior art, there is a device for printing on both sides, for example, a multi-color double-sided digital printing platform with publication number CN212708513U, which includes a reel-unwinding and tensioning assembly, a back-printing inkjet printer, a dryer, a front-printing inkjet printer, a visual inspection machine, and a winding device installed on a frame and arranged in sequence from back to front. After the printed paper comes out of the reel-unwinding and tensioning assembly, it is fed around the top of the back-printing inkjet printer and enters the back-printing inkjet printer from the front end, then feeds from the bottom of the back-printing inkjet printer and passes through the first board box of the vertically arranged dryer and then enters the front-printing inkjet printer from the rear end.

[0004] This printing platform completes the reverse side of the printing paper by folding back and forth, but the printing distance between the two sides of the printing paper during the printing process is too large, resulting in different printing completion degrees on the two sides after printing. Differences occur during collection and subsequent processing, which affects the printing quality. Summary of the invention

[0005] The purpose of the utility model is to solve the problem of too large printing distance between two sides of printing paper in the above-mentioned background technology, and to provide a digital printing double-sided printing structure.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A double-sided printing structure for digital printing comprises a mounting plate, a top surface of the mounting plate is provided with an unwinding roller and a rewinding roller, and printing paper is arranged between the unwinding roller and the rewinding roller; a plurality of traction wheels are arranged on the top surface of the mounting plate, and the surface of the printing paper contacts the plurality of traction wheels;

[0008] The surface of the mounting plate is provided with a plurality of printing conveying rollers, and the plurality of printing conveying rollers are arranged in an arc shape; the top surface of the mounting plate is provided with six ink cartridge board assemblies, and the six ink cartridge board assemblies are arranged along the arc direction; a corresponding nozzle is arranged under each ink cartridge board assembly;

[0009] A turning frame is arranged between the six ink cartridge board card assemblies, one end of the printing paper passes through the turning frame, and the printing paper extending from the turning frame passes under the outermost ink cartridge board card assembly.

[0010] As a further solution of the utility model: a color mark sensor is arranged on the top surface of the mounting plate, a monitoring computer is arranged on the top surface of the mounting plate, and the color mark sensor and the monitoring computer are communicatively connected.

[0011] As a further solution of the utility model: the ink cartridge board assembly is communicatively connected with the monitoring computer.

[0012] As a further solution of the utility model: a deviation correction structure is arranged on the top surface of the mounting plate, and the printing paper passes through the deviation correction structure.

[0013] As a further solution of the utility model: a dust removal structure and a corona structure are arranged on the top surface of the mounting plate, and the printing paper passes through the dust removal structure and the corona structure.

[0014] As a further solution of the utility model: a water-cooling roller is arranged on the top surface of the mounting plate, and both sides of the printing paper are in contact with the water-cooling roller.

[0015] Beneficial effects of the utility model:

[0016] (1) The utility model discloses a digital printing double-sided printing structure, which is provided with a plurality of printing conveying rollers and ink cartridge board assemblies. The plurality of printing conveying rollers are arranged along an arc direction, so that the printing paper can be routed smoothly and the ink cartridge board assemblies can be fully sprayed with ink during the printing process; after the front ink cartridge board assemblies are printed on the front side of the printing paper, the front side of the printing paper enters the turning frame and is turned back and forth, so that the other side of the printing paper is routed to face the outermost ink cartridge board assemblies, so that the outermost ink cartridge board assemblies spray print on the other side of the printing paper through the nozzle, thereby completing the coloring of both sides of the printing paper in a short time, and avoiding the problem of uneven quality caused by too long coloring and printing time;

[0017] (2) A digital printing double-sided printing structure of the utility model is provided with a color mark sensor and a monitoring computer. The color mark sensor can obtain or process reflected light signals, and determine the color and brightness of the material by detecting and analyzing the reflected light, and then feed back to the monitoring computer. The monitoring computer monitors the printing structure in real time manually;

[0018] (3) The utility model provides a digital printing double-sided printing structure, which is provided with a dust removal structure and a corona structure. The dust removal mechanism cleans the dust on both sides of the printing paper, and the corona structure can improve the surface roughness of the printing paper material, so that the ink has greater adhesion when sprayed on the surface of the material, thereby evenly printing on both sides of the printing paper and improving the coloring quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1It is a structural schematic diagram of a digital printing double-sided printing structure of the utility model;

[0021] Figure 2 This utility model Figure 1 A partial enlarged view of point A in the middle.

[0022] In the figure: 1. Mounting plate; 2. Unwinding roller; 3. Correction structure; 4. Dust removal structure; 5. Corona structure; 6. Traction wheel; 7. Color mark sensor; 8. Printing conveyor roller; 9. Ink cartridge board assembly; 10. Print head; 11. Turning frame; 12. Water-cooling roller; 13. Winding roller; 14. Monitoring computer. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] See also Figure 1 and Figure 2 As shown, the utility model is a digital printing double-sided printing structure, including a mounting plate 1, a reel 2 is provided on one side of the top surface of the mounting plate 1, and printed paper is rolled up on the surface of the reel 2. A deviation correction structure 3 is provided on the mounting plate 1 in the direction close to the reel 2, and one end of the printed paper on the surface of the reel 2 passes through the deviation correction structure 3. A dust removal structure 4 is provided on the top surface of the mounting plate 1, and one end of the printed paper passes through the dust removal structure 4 after passing through the deviation correction structure 3, and both sides of the printed paper are in contact with the dust removal structure 4. A corona structure 5 is provided on the top surface of the mounting plate 1, and the corona structure 5 is provided on one side of the dust removal structure 4; one end of the printed paper extending from the dust removal structure 4 passes into the corona structure 5. A plurality of traction wheels 6 are provided on the surface of the mounting plate 1, and the printed paper passes between the plurality of traction wheels 6.

[0025] The top surface of the mounting plate 1 is provided with a plurality of printing conveying rollers 8, and the plurality of printing conveying rollers 8 are arranged along an arc direction. The top surface of the mounting plate 1 is provided with an ink cartridge board assembly 9, and the number of the ink cartridge board assembly 9 is six. The six ink cartridge board assembly 9 are arranged in an arc direction. The six ink cartridge board assembly 9 is arranged in an arc shape, and the arc arrangement of the ink cartridge board assembly 9 is adapted to the arc arrangement of the plurality of printing conveying rollers 8. A nozzle 10 and its corresponding mounting base plate are installed below each ink cartridge board assembly 9, and the direction of the nozzle 10 faces the surface of the printing paper. A turning frame 11 is arranged between the ink cartridge board assembly 9, and the printing paper on the surface of the printing conveying roller 8 moves to the turning frame 11 below to turn back and forth, so that the other side of the printing paper moves to the bottom of the rightmost ink cartridge board assembly 9, and one end of the printing paper passes through the turning frame 11 to turn the paper over, and then the printing paper is transported on the printing conveying roller 8 with the reverse side upward, and the printing paper extending from the turning frame 11 passes under the rightmost ink cartridge board assembly 9. The top surface of the mounting plate 1 is provided with a water-cooled roller 12. The printing paper passes through the surface of the printing conveying roller 8, enters the water-cooled roller 12, and contacts the water-cooled roller 12 on both sides. The top surface of the mounting plate 1 is provided with a winding roller 13. The printing paper passing through the water-cooled roller 12 extends into the surface of the winding roller 13 for convolution collection. The outside of the mounting plate 1 is provided with a monitoring computer 14. The monitoring computer 14 is connected to the six ink cartridge board assemblies 9 for communication. The surface of the mounting plate 1 is provided with a color mark sensor 7. The color mark sensor 7 is connected to the monitoring computer 14 for communication.

[0026] When using this digital printing double-sided printing structure, several traction wheels 6 on the mounting plate 1 rotate, thereby driving the printing paper set on the top surface of the mounting plate 1 to move. The printing paper on the surface of the unwinding roller 2 extends from the surface of the unwinding roller 2, and then the printing paper enters the correction structure 3 for correction. When the printing paper is skewed, the printing paper is corrected. Then the printing paper enters the dust removal structure 4 to clean the dust on both sides to avoid uneven coloring in subsequent printing. Then the printing paper enters the corona structure 5 for treatment. The corona structure 5 can increase the surface roughness of the material so that the ink has greater adhesion when it is sprayed on the surface of the material. Then the printing paper passes through the color mark sensor 7, which reads or processes the reflected light signal, determines the color and brightness of the material by detecting and analyzing the reflected light, and then feeds back to the monitoring computer 14. Then the printing paper enters the printing conveying roller 8 for coloring, and the nearby ink cartridge board assembly 9 sprays the color ink on one side of the printing paper through the nozzle 10. After the printing on one side of the printing paper is completed, the printing paper enters the turning frame 11 to be folded back and forth, so that the other side of the printing paper moves to the bottom of the outermost ink cartridge board assembly 9. One end of the printing paper passes through the turning frame 11 to turn the paper over, and then the printing paper is conveyed on the printing conveying roller 8 with the reverse side facing upward. The printing paper extending from the turning frame 11 passes under the rightmost ink cartridge board assembly 9 and is printed on the reverse side by the nozzle 10. After the printing on both sides of the printing paper is completed, the printing paper enters the water-cooled roller 12 for cooling and cooling, thereby accelerating the surface printing and forming. Then it enters the winding roller 13 for winding and collection.

[0027] Working principle of the utility model: a digital printing double-sided printing structure of the utility model is provided with a plurality of printing conveying rollers 8 and ink cartridge board card components 9. The plurality of printing conveying rollers 8 are arranged along an arc direction, so that the routing of the printing paper is smooth and the ink cartridge board card components 9 can fully spray ink during the printing process; after all the ink cartridge board card components 9 are printed on the front side of the printing paper, it enters the flip frame 11 for back and forth folding, so that the other side of the printing paper is facing the outermost ink cartridge board card component 9 when routing, so that the outermost ink cartridge board card component 9 sprays and prints on one side of the printing paper through the nozzle 10, thereby completing Coloring on both sides of the printing paper; by setting up a color mark sensor 7 and a monitoring computer 14, the color mark sensor 7 can obtain or process the reflected light signal, determine the color and brightness of the material by detecting and analyzing the reflected light, and then feed back to the monitoring computer 14, and the monitoring computer 14 performs real-time monitoring of the printing structure manually; by setting up a dust removal structure 4 and a corona structure 5, the dust removal mechanism cleans the dust on both sides of the printing paper, and the corona structure 5 can improve the surface roughness of the printing paper material, so that the ink has greater adhesion when it is sprayed on the surface of the material, so that the printing on both sides of the printing paper is evenly printed and the coloring quality is improved.

[0028] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A digital printing double-sided printing structure, characterized in that: It comprises a mounting plate (1), the top surface of the mounting plate (1) is provided with an unwinding roller (2) and a rewinding roller (13), and printing paper is arranged between the unwinding roller (2) and the rewinding roller (13); the top surface of the mounting plate (1) is provided with a plurality of traction wheels (6), and the surface of the printing paper contacts the plurality of traction wheels (6); The surface of the mounting plate (1) is provided with a plurality of printing conveying rollers (8), and the plurality of printing conveying rollers (8) are arranged in an arc shape; the top surface of the mounting plate (1) is provided with six ink cartridge board assemblies (9), and the six ink cartridge board assemblies (9) are arranged along the arc direction; and a corresponding nozzle (10) is arranged below each ink cartridge board assemblies (9); A turning frame (11) is arranged between the six ink cartridge board assemblies (9), one end of the printing paper passes through the turning frame (11), and the printing paper extending from the turning frame (11) passes under the outermost ink cartridge board assembly (9).

2. A digital printing double-sided printing structure according to claim 1, characterized in that: A color mark sensor (7) is arranged on the top surface of the mounting plate (1), and a monitoring computer (14) is arranged on the top surface of the mounting plate (1). The color mark sensor (7) and the monitoring computer (14) are communicatively connected.

3. A digital printing double-sided printing structure according to claim 1, characterized in that: The ink cartridge board assembly (9) is communicatively connected with the monitoring computer (14).

4. A digital printing double-sided printing structure according to claim 1, characterized in that: The top surface of the mounting plate (1) is provided with a deviation-correcting structure (3), and the printing paper passes through the deviation-correcting structure (3).

5. A digital printing double-sided printing structure according to claim 1, characterized in that: The top surface of the mounting plate (1) is provided with a dust removal structure (4) and a corona structure (5), and the printing paper passes through the dust removal structure (4) and the corona structure (5).

6. A digital printing double-sided printing structure according to claim 1, characterized in that: A water-cooling roller (12) is arranged on the top surface of the mounting plate (1), and both sides of the printing paper are in contact with the water-cooling roller (12).

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