Electrostatic control device of photogravure press

Abstract

The utility model relates to the technical field of printing, in particular to an electrostatic control device of a photogravure press, which comprises a working table and is characterized in that a paper conveying mechanism and a printing mechanism are arranged on the working table, an electrostatic elimination mechanism is arranged between the paper conveying mechanism and the printing mechanism, the paper conveying mechanism comprises a conveying table, the conveying table is connected onto the working table, and the electrostatic elimination mechanism is connected onto the working table. The static electricity eliminating mechanism comprises a mounting frame, the mounting frame is fixedly connected to the workbench, and a static electricity eliminating assembly is erected on the mounting frame. Positive and negative ions are generated through the static electricity eliminating assembly and are evenly diffused to the surface of a printing material, static charges generated on the surface of the material in the printing process are effectively eliminated, bad influences such as ink splashing and paper adhesion caused by static electricity in the printing process are avoided, the printing quality is improved, and the printing efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of printing and belongs to an electrostatic control device for a gravure printing machine. Background Art

[0002] As an important printing process, gravure printing occupies an extremely important position in the fields of printing, packaging and graphic publishing due to its advantages such as thick ink layer, bright colors, high saturation, high plate durability, stable print quality and fast printing speed.

[0003] However, during the printing process, due to the dry texture of printing materials such as paper and the large-scale friction during the transmission process, a large amount of static electricity will be generated. Static electricity can easily cause adverse conditions such as adhesion of printing materials and ink splashing, which in turn will cause paper jams, printing distortion, etc., affecting the quality of printed products and reducing printing efficiency. Utility Model Content

[0004] In view of the above technical problems, the utility model provides an electrostatic control device for a gravure printing machine.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] The present application provides an electrostatic control device for a gravure printing machine, comprising a workbench, characterized in that a paper feeding mechanism and a printing mechanism are provided on the workbench, an electrostatic elimination mechanism is provided between the paper feeding mechanism and the printing mechanism, the paper feeding mechanism comprises a conveying table, the conveying table is connected to the workbench, the electrostatic elimination mechanism comprises a mounting bracket, the mounting bracket is fixedly connected to the workbench, and an electrostatic elimination component is mounted on the mounting bracket.

[0007] Preferably, a paper separation roller is provided on one end of the conveying platform close to the printing mechanism, one end of the roller shaft of the paper separation roller is connected to a paper separation motor, and the paper separation roller is provided with a paper separation wedge.

[0008] Preferably, the printing mechanism includes a roller frame, on which a plate roller and a pressure roller are provided, the plate roller shaft is movably connected to the roller frame, the pressure roller shaft is movably connected to the roller frame, the pressure roller is located above the plate roller, an ink cartridge is provided below the plate roller, and the ink cartridge is connected to the workbench.

[0009] Preferably, a connecting frame is connected to the roller shaft of the plate roller, an end of the connecting frame is connected to a clamping block, the clamping block is provided with an inclined plate, and the inclined plate is connected to the conveying platform.

[0010] Preferably, one end of the plate roller is connected to a printing motor, and one end of the pressure roller is connected to a pressure motor.

[0011] Preferably, the static elimination component includes an outer casing, in which an air supply motor and an air duct are provided. The air supply motor is connected to the mounting plate through a motor seat, an ionizer is provided at the lower part of the mounting plate, and the air duct is arranged on a connecting shaft, which is connected to the output end of the air supply motor through a coupling.

[0012] Preferably, a ventilation plate is provided on the top of the outer casing, and a ventilation hole is opened on the ventilation plate. The lower part of the outer casing is connected to an air outlet channel, and the air outlet channel is located at both ends of the ionizer. The air outlet channel includes a horizontal part and an inclined part, and both the horizontal part and the inclined part are provided with an air outlet.

[0013] Compared with the prior art, the present invention provides a static control device for a gravure printing machine, which has the following beneficial effects:

[0014] The utility model is provided with an electrostatic elimination mechanism, which generates positive and negative ions through the electrostatic elimination component and evenly diffuses the positive and negative ions to the surface of the printing material, effectively eliminating the static charge generated on the surface of the material during the printing process, avoiding the adverse effects of static electricity on printing such as ink splashing and paper adhesion, thereby improving printing quality and ensuring printing efficiency.

[0015] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 for Figure 2 Cross-sectional view in the AA direction;

[0019] Figure 4 This is a schematic diagram of the structure of the static elimination mechanism of the utility model;

[0020] Figure 5 for Figure 2 Cross-sectional view in the middle BB direction;

[0021] In the figure: 1. workbench; 2. paper transfer mechanism; 3. printing mechanism; 4. static elimination mechanism; 21. conveying platform; 22. paper separation roller; 23. paper separation motor; 24. paper separation wedge; 25. connecting frame; 26. clamping block; 27. inclined plate; 31. roller assembly frame; 32. plate roller; 33. pressure roller; 34. ink cartridge; 35. printing motor; 36. pressure motor; 41. mounting frame; 42. static elimination assembly; 421. outer casing; 422. air supply motor; 423. air duct; 424. motor base; 425. mounting plate; 426. ionizer; 427. connecting shaft; 428. ventilation plate; 429. air outlet channel; 4281. vent; 4291. horizontal part; 4292. inclined part; 4293. air outlet. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of this utility more clearly understood, the utility is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely for the purpose of explaining this utility and are not intended to limit the scope of this utility. In addition, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessary confusion in the concepts of this utility.

[0023] See Figure 1 The present invention provides an electrostatic control device for a gravure printing machine, comprising a workbench 1, on which a paper feeding mechanism 2 and a printing mechanism 3 are provided, and a static elimination mechanism 4 is provided between the paper feeding mechanism 2 and the printing mechanism 3, wherein the paper feeding mechanism 2 comprises a conveying platform 21, and the conveying platform 21 is connected to the workbench 1, and the static elimination mechanism 4 comprises a mounting bracket 41, and the mounting bracket 41 is fixedly connected to the workbench 1, and a static elimination component 42 is mounted on the mounting bracket 41.

[0024] See Figure 2 Specifically, a paper separation roller 22 is provided on the conveying platform 21 near one end of the printing mechanism 3, and a paper separation motor 23 is connected to one end of the roller shaft of the paper separation roller 22. The paper separation roller 22 is provided with a paper separation wedge 24, and the paper separation wedge 24 drives the paper to separate and transmit it forward through friction.

[0025] See Figure 2-3 Specifically, the printing mechanism 3 includes a roller frame 31, on which a plate roller 32 and a pressure roller 33 are provided. The roller shaft of the plate roller 32 is movably connected to the roller frame 31, and the roller shaft of the pressure roller 33 is movably connected to the roller frame 31. The pressure roller 33 is located above the plate roller 32, and an ink box 34 is provided below the plate roller 32. The ink box 34 is connected to the workbench 1.

[0026] See Figure 3Specifically, a connecting frame 25 is connected to the roller shaft of the plate roller 32, and a clamping block 26 is connected to the end of the connecting frame 25. The clamping block 26 is provided with an inclined plate 27, and the inclined plate 27 is connected to the conveying platform 21. The inclined plate 27 is used to transfer the printing paper from the conveying platform 21 to between the plate roller 32 and the pressure roller 33.

[0027] See Figure 3 Specifically, one end of the plate roller 32 is connected to a printing motor 35, and one end of the pressure roller 33 is connected to a pressure motor 36. The printing motor 35 is used to drive the plate roller 32 to rotate for printing, and the pressure motor 36 is used to drive the pressure roller 33 to rotate to roll the printing material.

[0028] See Figure 4-5 Specifically, the static elimination component 42 includes an outer casing 421, and an air supply motor 422 and an air duct 423 are provided in the outer casing 421. The air supply motor 422 is connected to the mounting plate 425 through a motor base 424. An ionizer 426 is provided at the lower part of the mounting plate 425. The air duct 423 is set on a connecting shaft 427, and the connecting shaft 427 is connected to the output end of the air supply motor 422 through a coupling. The air supply motor 422 drives the air duct 423 to rotate. The air duct 423 is used to accelerate the air flow and provide air flow to the ionizer 426. The ionizer 426 is used to ionize air molecules into positive and negative ions, and the ions are blown to the surface of the printing material to eliminate static electricity.

[0029] See Figure 4-5 Specifically, a ventilation plate 428 is provided on the top of the outer casing 421, and a ventilation port 4281 is opened on the ventilation plate 428. The lower part of the outer casing 421 is connected to an air outlet channel 429, and the air outlet channel 429 is located at both ends of the ionizer 426. The air outlet channel 429 includes a horizontal portion 4291 and an inclined portion 4292. The horizontal portion 4291 and the inclined portion 4292 are both provided with an air outlet 4293. The horizontal portion 4291 and the inclined portion 4292 facilitate the diffusion of ions in different directions of the printed material, so that the ions are evenly distributed, and can quickly and effectively eliminate the static charge on the surface of the printed material.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. An electrostatic control device for a gravure printing press, comprising a workbench (1), characterized in that: The workbench (1) is provided with a paper feeding mechanism (2) and a printing mechanism (3), and an electrostatic elimination mechanism (4) is provided between the paper feeding mechanism (2) and the printing mechanism (3). The paper feeding mechanism (2) includes a conveying platform (21), and the conveying platform (21) is connected to the workbench (1). The electrostatic elimination mechanism (4) includes a mounting frame (41), and the mounting frame (41) is fixedly connected to the workbench (1). The electrostatic elimination component (42) is mounted on the mounting frame (41).

2. The static electricity control device for a gravure printing press according to claim 1, wherein: A paper separation roller (22) is provided on the conveying platform (21) near one end of the printing mechanism (3), one end of the roller shaft of the paper separation roller (22) is connected to a paper separation motor (23), and the paper separation roller (22) is provided with a paper separation wedge (24).

3. The static electricity control device for a gravure printing press according to claim 1, wherein: The printing mechanism (3) comprises a roller assembly frame (31), a plate roller (32) and a pressure roller (33) are provided on the roller assembly frame (31), a roller shaft of the plate roller (32) is movably connected to the roller assembly frame (31), a roller shaft of the pressure roller (33) is movably connected to the roller assembly frame (31), the pressure roller (33) is located above the plate roller (32), an ink box (34) is provided below the plate roller (32), and the ink box (34) is connected to the workbench (1).

4. The static electricity control device for a gravure printing press according to claim 3, wherein: A connecting frame (25) is connected to the roller shaft of the plate roller (32), an end of the connecting frame (25) is connected to a clamping block (26), the clamping block (26) is provided with an inclined plate (27), and the inclined plate (27) is connected to the conveying platform (21).

5. The static electricity control device for a gravure printing press according to claim 3, wherein: One end of the plate roller (32) is connected to a printing motor (35), and one end of the pressure roller (33) is connected to a pressure motor (36).

6. The static electricity control device for a gravure printing press according to claim 3, wherein: The static elimination component (42) includes an outer casing (421), wherein an air supply motor (422) and an air duct (423) are provided in the outer casing (421), wherein the air supply motor (422) is connected to a placement plate (425) via a motor base (424), an ionizer (426) is provided at the lower portion of the placement plate (425), and the air duct (423) is provided on a connecting shaft (427), and the connecting shaft (427) is connected to the output end of the air supply motor (422) via a coupling.

7. The static electricity control device for a gravure printing press according to claim 6, characterized in that: A ventilation plate (428) is provided on the top of the outer housing (421), and a ventilation opening (4281) is provided on the ventilation plate (428). An air outlet channel (429) is connected to the lower portion of the outer housing (421), and the air outlet channel (429) is located at both ends of the ionizer (426). The air outlet channel (429) includes a horizontal portion (4291) and an inclined portion (4292), and both the horizontal portion (4291) and the inclined portion (4292) are provided with an air outlet (4293).

Images