Full-automatic cleaning device for offset printing

By using a combination of pushing mechanism and cleaning mechanism in a fully automatic cleaning device, spraying cleaning liquid and clean water to perform multiple high-pressure flushing of offset printing plates, the problem of long manual cleaning time and poor results in small printing enterprises is solved, and the printing quality is improved and the economy of the equipment.

CN222179017UActive Publication Date: 2024-12-17JINAN JILIAN PACKAGING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420506038.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2024-12-17
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

Small printing companies or low-budget projects find it difficult to afford high investment costs for fully automatic cleaning devices, resulting in long manual cleaning of offset printing plates and incomplete results, which affects printing quality.

Method used

Design a fully automatic cleaning device, through the pushing mechanism and cleaning mechanism on both sides of the cleaning table, spray cleaning liquid and clean water to flush the surface of the offset plate many times, and use a booster pump, a retractable liquid hose and a rectangular tube. The nozzle on the top achieves neutralization and rinsing of inks and impurities.

Benefits of technology

It solves the problem of incomplete manual cleaning, improves the cleaning efficiency and printing quality of offset printing plates, and reduces the dependence on operator skills.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222179017U_ABST
    Figure CN222179017U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to a full-automatic cleaning device for offset printing, which comprises a cleaning table, placing grooves are arranged on the upper end face and the lower end face of the cleaning table, a through opening is communicated between the two placing grooves, and an offset printing plate is arranged in the through opening. And cleaning mechanisms used for cleaning the offset printing plate are arranged on the two sides of the cleaning table correspondingly, and a pushing mechanism used for pushing the rectangular pipe to move in a reciprocating mode is arranged in the containing groove. According to the offset printing plate cleaning device, the pushing mechanism on one side of the cleaning table drives the cleaning mechanism to spray cleaning liquid to neutralize printing ink and impurities on the upper surface and the lower surface of the offset printing plate, and then the pushing mechanism and the cleaning mechanism on the other side of the cleaning table spray clean water to wash a cleaning liquid mixture. And the offset plate is subjected to high-pressure washing multiple times, and the problems that due to different experience and skills of existing manual cleaning of the offset plate, the offset plate is not thoroughly cleaned, and the printing quality is affected are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a full-automatic cleaning device, in particular to a full-automatic cleaning device for offset printing, belonging to the technical field of cleaning equipment. Background Art

[0002] An offset printing press is a device used for printing, which uses offset printing technology for printing. During the offset printing process, ink and other impurities may accumulate on the offset plate, affecting the printing quality and the service life of the offset plate. Therefore, in order to avoid affecting the quality of the next print, the offset plate is generally cleaned after use. The offset plate cleaning part uses a fully automatic cleaning device for cleaning. However, since the fully automatic cleaning device requires a high investment cost, it may not be economical for small printing companies or low-budget projects to purchase and maintain such equipment. The other part of the offset plate cleaning generally uses traditional and more familiar manual cleaning. Generally, the ink cleaning solvent is sprayed on the upper and lower surfaces of the offset plate, and the surface of the offset plate is thoroughly cleaned by using a clean brush. For a large number of offset plate cleaning work, manual cleaning requires more time and manpower, and the effect of manual cleaning may vary depending on the skills and experience of the operator. The offset plate may not be cleaned thoroughly and residual substances may be left. Even improper manual cleaning methods may easily damage the offset plate, affecting the subsequent printing quality.

[0003] Therefore, it is urgent to improve the fully automatic cleaning device for offset printing to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a fully automatic cleaning device for offset printing. First, a pushing mechanism on one side of a cleaning table drives a cleaning mechanism to spray cleaning liquid on the upper and lower surfaces of an offset printing plate to neutralize ink and impurities. Then, a pushing mechanism and a cleaning mechanism on the other side of the cleaning table spray clean water to rinse the cleaning liquid mixture. The above steps can be repeated for multiple cycles, and the offset printing plate can be rinsed with high pressure for multiple times, thereby solving the problem that the existing manual cleaning of the offset printing plate is not thorough enough due to different experiences and skills, thus affecting the printing quality.

[0005] In order to achieve the above purpose, the main technical solutions adopted by this utility model are:

[0006] A fully automatic cleaning device for offset printing, comprising a cleaning table, both upper and lower end surfaces of the cleaning table are provided with placement grooves, a through opening is provided between the two placement grooves, an offset printing plate is arranged in the through opening, and cleaning mechanisms for cleaning the offset printing plate are arranged on both sides of the cleaning table;

[0007] The cleaning mechanism includes a tank body located on one side of the cleaning table and a booster pump arranged on one side of the cleaning table, the input end of the booster pump is connected to a liquid inlet pipe extending to the bottom of the tank body, the output end of the booster pump is connected to a retractable liquid outlet hose, the other end of the retractable liquid outlet hose is connected to a rectangular tube, the upper and lower tubes of the rectangular tube are both connected to each other and a plurality of booster nozzles are arranged, and a pushing mechanism for pushing the rectangular tube to move back and forth is arranged in the placement groove.

[0008] Preferably, the pushing mechanism includes an electric push rod located in the placement groove and a connecting block arranged at the telescopic end of the electric push rod, the connecting block is fixedly connected to the upper end of the rectangular tube, the electric push rod is fixedly arranged in the placement groove through a fixing seat, and the end of the telescopic liquid outlet hose that is connected to the rectangular tube passes through the connecting block.

[0009] Preferably, the cleaning table is symmetrically provided with rectangular openings passing through the cleaning table on both sides of the offset printing plate, the rectangular tube is located in the rectangular opening, a movable groove is provided on the inner wall of one side of the two rectangular openings, and movable blocks are slidably arranged in the two movable grooves, and the other sides of the two movable blocks are fixedly connected to the two sides of the rectangular tube respectively.

[0010] Preferably, a U-shaped bracket with a notch facing downward is symmetrically arranged in the placement groove, and a clamping block for fixing and supporting the retractable liquid outlet hose is fixedly arranged on the upper end of the U-shaped bracket.

[0011] Preferably, a lower liquid hopper is provided at the lower end of the cleaning table, a sewage pipe is provided at the lower end of the lower liquid hopper, mounting seats are fixedly provided on both sides of the cleaning table, and holding grooves for placing the tank bodies are provided on the two mounting seats.

[0012] Preferably, a controller is provided on one side of the washing table, and the two booster pumps and the two electric push rods are electrically connected to the controller via wires.

[0013] Preferably, both sides of the offset printing plate are provided with lifting handles, and both sides of the placement groove at the upper end of the cleaning table are provided with handle grooves matched with the lifting handles.

[0014] The utility model has at least the following beneficial effects:

[0015] 1. First, the cleaning mechanism is driven by the pushing mechanism on one side of the cleaning table to spray cleaning liquid on the upper and lower surfaces of the offset printing plate to neutralize the ink and impurities, and then the cleaning liquid mixture is rinsed by the pushing mechanism and the cleaning mechanism on the other side of the cleaning table. The above steps can be repeated for multiple cycles to perform high-pressure rinses on the offset printing plate multiple times, thereby solving the problem that the existing manual cleaning of the offset printing plate is not thorough enough due to different experiences and skills, thus affecting the printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model;

[0018] Figure 2 It is an isometric structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0020] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the utility model.

[0022] In the figure, 1. cleaning table; 11. placement groove; 12. opening; 13. offset printing plate; 14. cleaning mechanism; 15. tank; 16. booster pump; 17. liquid inlet pipe; 18. retractable liquid outlet hose; 19. rectangular tube; 20. booster nozzle; 2. pushing mechanism; 21. electric push rod; 22. connecting block; 23. fixing seat; 3. rectangular opening; 31. moving groove; 32. moving block; 4. U-shaped bracket; 41. clamping block; 5. lower liquid bucket; 51. drain pipe; 52. mounting seat; 53. holding groove; 6. controller; 7. lifting handle; 71. handle groove. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] like Figure 1-Figure 5As shown, the fully automatic cleaning device for offset printing provided in this embodiment includes a cleaning table 1, and placement grooves 11 are provided on both upper and lower end surfaces of the cleaning table 1. The placement grooves 11 can prevent the cleaning liquid and clean water sprayed by the booster nozzles 20 on both sides from flowing to the ground through the table surface of the cleaning table 1, and can limit the flow direction of the cleaning liquid and clean water. A through opening 12 is provided between the two placement grooves 11, and an offset printing plate 13 is arranged in the through opening 12. Both sides of the offset printing plate 13 are provided with lifting handles 7. Both sides of the placement groove 11 at the upper end of the cleaning table 1 are provided with handle grooves 71 adapted to the lifting handles 7. By setting the lifting handles 7 and the handle grooves 71 for use in combination, the placement and removal of the offset printing plate 13 can be facilitated. Cleaning mechanisms 14 for cleaning the offset printing plate 13 are provided on both sides of the cleaning table 1;

[0025] The cleaning mechanism 14 includes a tank body 15 located on one side of the cleaning table 1 and a booster pump 16 arranged on one side of the cleaning table 1. The input end of the booster pump 16 is connected to a liquid inlet pipe 17 extending to the bottom of the tank body 15, and the output end of the booster pump 16 is connected to a retractable liquid outlet hose 18. The other end of the retractable liquid outlet hose 18 is connected to a rectangular tube 19. The upper and lower tubes of the rectangular tube 19 are both connected to a plurality of booster nozzles 20. By arranging the tank body 15, the booster pump 16, the liquid inlet pipe 17, the retractable liquid outlet hose 18, The rectangular tube 19 and the booster nozzle 20 are respectively filled with cleaning liquid and clean water in the tank body 15 on both sides, and the booster pumps 16 on both sides are started accordingly. The booster pump 16 extracts the cleaning liquid in the tank body 15 through the liquid inlet pipe 17 and sprays it on the upper and lower surfaces of the offset printing plate 13 through the retractable liquid outlet hose 18. The cleaning liquid can neutralize the ink and impurities on the offset printing plate 13. The clean water sprayed by the booster nozzle 20 on the other side flushes the offset printing plate 13. A pushing mechanism 2 for pushing the rectangular tube 19 to move back and forth is arranged in the placement groove 11;

[0026] Among them, Figure 3 and Figure 4 As shown, the pushing mechanism 2 includes an electric push rod 21 located in the placement groove 11 and a connecting block 22 arranged at the telescopic end of the electric push rod 21, the connecting block 22 is fixedly connected to the upper end of the rectangular tube 19, the electric push rod 21 is fixedly arranged in the placement groove 11 through a fixing seat 23, and one end of the telescopic liquid outlet hose 18 connected to the rectangular tube 19 passes through the connecting block 22. By setting the electric push rod 21 and the connecting block 22 for coordinated use, the electric push rod 21 can drive the rectangular tube 19 to move through the connecting block 22, thereby facilitating the plurality of booster nozzles 20 at the upper and lower ends of the rectangular tube 19 to spray cleaning liquid on the upper and lower surfaces of the offset printing plate 13, and spraying clean water through the plurality of booster nozzles 20 on the other side of the rectangular tube 19 to rinse the cleaning liquid and impurities;

[0027] Further, such as Figure 5As shown, rectangular openings 3 penetrating the cleaning table 1 are symmetrically provided on both sides of the offset printing plate 13 on the cleaning table 1, and the rectangular tube 19 is located in the rectangular openings 3. Moving grooves 31 are provided on the inner walls of one side of the two rectangular openings 3, and moving blocks 32 are slidably provided in the two moving grooves 31. The other sides of the two moving blocks 32 are respectively fixedly connected to the two sides of the rectangular tube 19. By providing the rectangular openings 3, the rectangular openings 3 can facilitate the movement of the rectangular tube 19 inside the cleaning table 1, and then facilitate the cleaning treatment of the offset printing plate 13 by spraying the cleaning liquid and clean water. By providing the moving blocks 32 and the moving blocks 32, the two moving blocks 32 are connected to the two sides of the rectangular tube 19, which can play a stabilizing role and a guiding role when the rectangular tube 19 moves.

[0028] In addition, if Figure 1 and Figure 2 As shown, a lower liquid bucket 5 is provided at the lower end of the cleaning table 1, and a sewage pipe 51 is provided at the lower end of the lower liquid bucket 5. By providing the lower liquid bucket 5, the cross-sectional shape of the lower liquid bucket 5 is a funnel shape, which can facilitate the cleaning liquid and clean water used on the cleaning table 1 to quickly pass through the lower liquid bucket 5 to the upper end of the sewage pipe 51 and be discharged through the sewage pipe 51. The lower end of the sewage pipe 51 is connected with the external sewage pipe 51. Mounting seats 52 are fixedly provided on both sides of the cleaning table 1. The two mounting seats 52 are provided with receiving grooves 53 for placing the tank body 15. The mounting seats 52 and the receiving grooves 53 can support the tank body 15 and can facilitate the removal of the tank body 15. A controller 6, two booster pumps 16 and two Each electric push rod 21 is electrically connected to the controller 6 through a wire. By setting the controller 6, the controller 6 is connected to each component, and the operation of the equipment can be automatically controlled by the controller 6. The controller 6 is a prior art and will not be elaborated on here. The booster pump 16 and the electric push rod 21 on one side of the cleaning table 1 are synchronously controlled by the controller 6. The cleaning mechanism 14 first sprays the cleaning liquid to neutralize the ink and impurities on the offset printing plate 13, and then controls the booster pump 16 and the electric push rod 21 on the other side of the cleaning table 1 through the controller 6, driving the cleaning mechanism 14 to spray clean water to rinse the cleaning liquid mixture on the offset printing plate 13. The spraying of the cleaning liquid and clean water can be repeated for many times to ensure that the surface of the offset printing plate 13 is clean.

[0029] Furthermore, Figure 3 and Figure 4 As shown, a U-shaped bracket 4 with a notch facing downward is symmetrically arranged in the placement groove 11, and a clamping block 41 for fixing and supporting the retractable liquid outlet hose 18 is fixedly arranged on the upper end of the U-shaped bracket 4. By setting the U-shaped bracket 4 and the clamping block 41 in coordination with each other, the retractable liquid outlet hose 18 can be supported and fixed, and when the retractable hose moves synchronously with the rectangular tube 19, the end of the retractable liquid outlet hose 18 connected to the booster pump 16 can be prevented from loosening and sliding due to the tensile force of the retractable liquid outlet hose 18, thereby affecting the use of the equipment.

[0030] like Figure 1-Figure 5 As shown, the principle of the fully automatic cleaning device for offset printing provided in this embodiment is as follows: by filling the tank bodies 15 on both sides of the cleaning table 1 with cleaning liquid and clean water respectively, the booster pump 16 and the electric push rod 21 on one side of the cleaning table 1 are synchronously controlled by the controller 6, and while the electric push rod 21 drives the cleaning mechanism 14 to move, the booster pump 16 extracts the cleaning liquid in the tank body 15 through the liquid inlet pipe 17 and sprays it on the upper and lower surfaces of the offset printing plate 13 through the retractable liquid outlet hose 18, and the ink and impurities on the offset printing plate 13 are neutralized by the cleaning liquid, and the booster pump 16 and the electric push rod 21 on the other side of the cleaning table 1 are controlled by the controller 6, and driven by the electric push rod 21, the booster pump 16 extracts the clean water in the tank body 15 through the liquid inlet pipe 17 and sprays it on the upper and lower surfaces of the offset printing plate 13 through the retractable liquid outlet hose 18, and the cleaning liquid mixture on the offset printing plate 13 is rinsed, and the above steps can be repeated to ensure that the ink and impurities on the offset printing plate 13 are cleaned.

Claims

1. A fully automatic cleaning device for offset printing, comprising a cleaning table (1), It is characterized in that The cleaning table (1) has placement grooves (11) on both upper and lower end surfaces, a through opening (12) is provided between the two placement grooves (11), an offset printing plate (13) is arranged in the through opening (12), and cleaning mechanisms (14) for cleaning the offset printing plate (13) are provided on both sides of the cleaning table (1); The cleaning mechanism (14) comprises a tank body (15) located on one side of the cleaning table (1) and a booster pump (16) arranged on one side of the cleaning table (1); the input end of the booster pump (16) is connected to a liquid inlet pipe (17) extending to the bottom of the tank body (15); the output end of the booster pump (16) is connected to a retractable liquid outlet hose (18); the other end of the retractable liquid outlet hose (18) is connected to a rectangular tube (19); the upper and lower tubes of the rectangular tube (19) are both connected to each other and are provided with a plurality of booster nozzles (20); and a driving mechanism (2) for driving the rectangular tube (19) to move back and forth is arranged in the placement groove (11).

2. A fully automatic cleaning device for offset printing according to claim 1, Features: The pushing mechanism (2) comprises an electric push rod (21) located in the placement groove (11) and a connecting block (22) arranged at the telescopic end of the electric push rod (21); the connecting block (22) is fixedly connected to the upper end of the rectangular tube (19); the electric push rod (21) is fixedly arranged in the placement groove (11) via a fixing seat (23); and one end of the telescopic liquid outlet hose (18) that is connected to the rectangular tube (19) passes through the connecting block (22).

3. A fully automatic cleaning device for offset printing according to claim 1, Features: The cleaning table (1) is symmetrically provided with rectangular openings (3) penetrating the cleaning table (1) on both sides of the offset printing plate (13); the rectangular tube (19) is located in the rectangular opening (3); a movable groove (31) is provided on the inner wall of one side of the two rectangular openings (3); a movable block (32) is slidably provided in the two movable grooves (31); and the other sides of the two movable blocks (32) are fixedly connected to both sides of the rectangular tube (19) respectively.

4. A fully automatic cleaning device for offset printing according to claim 1, Features: A U-shaped bracket (4) with a notch facing downward is symmetrically arranged in the placement groove (11), and a clamping block (41) for fixedly supporting the telescopic liquid outlet hose (18) is fixedly arranged at the upper end of the U-shaped bracket (4).

5. A fully automatic cleaning device for offset printing according to claim 1, Features: A lower liquid hopper (5) is provided at the lower end of the cleaning table (1), and a sewage discharge pipe (51) is provided at the lower end of the lower liquid hopper (5). Mounting seats (52) are fixedly provided on both sides of the cleaning table (1), and a receiving groove (53) for placing the tank body (15) is provided on the two mounting seats (52).

6. A fully automatic cleaning device for offset printing according to claim 2, Features: A controller (6) is provided on one side of the cleaning table (1), and the two booster pumps (16) and the two electric push rods (21) are electrically connected to the controller (6) via wires.

7. A fully automatic cleaning device for offset printing according to claim 1, Features: Both sides of the offset printing plate (13) are provided with lifting handles (7), and both sides of the placement groove (11) at the upper end of the cleaning table (1) are provided with handle grooves (71) that are compatible with the lifting handles (7).