A freely switchable multi-color high-speed printing machine and use method thereof

Abstract

The present invention discloses a freely switchable multi-color high-speed printing machine, including a machine body, a printing roller and an ink storage box are arranged on the machine body, the edges of the first ink storage box, the second ink storage box and the third ink storage box are all provided with arc holes, a slider is movably connected inside the arc hole, an electric push rod is pinned to the outside of the slider, the base end of the electric push rod is pinned to the outside of the ink storage box, and the ink distribution roller is rotatably installed on the inner side of the slider through a bearing. Multiple groups of ink storage boxes are arranged on the machine body for storing inks of different colors. According to the actual needs of printing, the electric push rod on the corresponding ink storage box is turned on to drive the slider to move inside the arc hole, so that the ink distribution roller contacts the printing roller, so that the ink coating roller, the ink distribution roller and the printing roller are successively tangent, and the ink distribution roller applies the ink on the surface of the printing roller for printing, and the color of the printing ink can be switched freely at any time, making the printing work more convenient.

Description

Technical Field

[0001] The present invention belongs to the technical field of printing machines, and specifically relates to a freely switchable multi-color high-speed printing machine, and more particularly to a method for using the freely switchable multi-color high-speed printing machine. Background Art

[0002] 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). Its working principle is: first, the text and image to be printed are made into a printing plate, which is then mounted on a printing press. Then, ink is applied to the places on the printing plate where the text and image are, either manually or by a printing press, and then directly or indirectly transferred to paper or other substrates (such as textiles, metal plates, plastics, leather, wood boards, glass, and ceramics), thereby replicating a printed product identical to the printing plate.

[0003] During the actual use of the printing press, it is necessary to replace inks of different colors according to the actual printing needs. At present, ink replacement is mostly done manually by human intervention, which is not only time-consuming and labor-intensive, but also has low work efficiency and affects printing work. Summary of the invention

[0004] The object of the present invention is to provide a freely switchable multi-color high-speed printing machine and a method of using the same, so as to solve the problem in the prior art mentioned in the above background technology that the working efficiency is not only low, but also a large amount of manpower is wasted.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A freely switchable multi-color high-speed printing machine comprises a machine body, a printing roller and an ink storage box are arranged on the machine body, the ink storage box comprises a first ink storage box, a second ink storage box and a third ink storage box, an ink coating roller and an ink distribution roller are rotatably installed inside the first ink storage box, the second ink storage box and the third ink storage box, an arc hole is opened at the edge of the first ink storage box, the second ink storage box and the third ink storage box, a slider is movably connected inside the arc hole, an electric push rod is pinned to the outer side of the slider, the base end of the electric push rod is pinned to the outside of the ink storage box, and the ink distribution roller is rotatably installed on the inner side of the slider through a bearing;

[0007] The bottom of the printing roller is provided with an ink scraping mechanism;

[0008] The ink scraping mechanism includes a connecting rod fixedly connected to the bottom of the machine body, the upper end of the connecting rod is fixedly connected to a cylinder body, a movable rod is movably inserted inside the cylinder body, a limiting plate is fixed to the outside of the movable rod, a spring is provided at the bottom of the limiting plate, the spring is sleeved on the outside of the movable rod, an iron sheet is fixed to the lower end of the movable rod, an electromagnet is magnetically connected to the bottom of the iron sheet, the electromagnet is installed on one side of the connecting rod, and a scraper is fixedly connected to the upper end of the movable rod.

[0009] Preferably, a guide plate is provided at the lower end of the scraper, and an ink receiving box is provided below the guide plate.

[0010] Preferably, a guide groove is provided on the inner side of the cylinder body, and a guide block matching the guide groove is provided on the edge of the limit plate.

[0011] Preferably, the first ink storage box, the second ink storage box and the third ink storage box are all connected to ink injection tubes, and the ink injection tubes are installed with liquid level valves.

[0012] Preferably, a filter screen is installed inside the ink receiving box, and an ink discharge pipe is provided at the bottom of the ink receiving box.

[0013] Preferably, the ink coating roller, ink distribution roller and printing roller are sequentially arranged to form a tangent structure.

[0014] Preferably, the scraper is arranged as an inclined structure, and the inclination direction of the scraper is opposite to the rotation direction of the printing roller.

[0015] The present invention provides a method for using a freely switchable multi-color high-speed printing machine, comprising the following steps:

[0016] S1, adding inks of different colors into the first ink storage box, the second ink storage box and the third ink storage box as needed;

[0017] S2. According to the actual needs of printing, a color is selected, and the electric push rod on the corresponding ink storage box is turned on to drive the slider to move inside the arc hole, so that the ink distribution roller is in contact with the printing roller, so that the ink coating roller, the ink distribution roller and the printing roller are all tangent to each other in sequence, and the ink distribution roller applies ink to the surface of the printing roller for printing;

[0018] S3. When switching to other color inks, first turn on the electric push rod to drive the ink roller to separate from the printing roller, then disconnect the power supply of the electromagnet, and the scraper is pressed against the bottom of the printing roller by the squeezing force of the spring in the cylinder body to scrape off the residual ink on the surface of the printing roller to clean the printing roller;

[0019] S4. After the ink is scraped off, connect the power supply of the electromagnet. The electromagnet drives the scraper to separate from the printing roller through the iron sheet adsorbing the movable rod. Then select the color to be replaced and repeat S2.

[0020] Technical effects and advantages of the present invention: Compared with the prior art, the present invention provides a freely switchable multi-color high-speed printing machine and a method of using the same, which have the following advantages:

[0021] The present invention arranges multiple groups of ink storage boxes on a machine body for storing inks of different colors. According to the actual needs of printing, a color is selected, and the electric push rod on the corresponding ink storage box is turned on to drive the slider to move inside the arc hole, so that the ink distribution roller is in contact with the printing roller, and the ink coating roller, the ink distribution roller and the printing roller are all tangent to each other in sequence. The ink distribution roller applies the ink to the surface of the printing roller for printing. The color of the printing ink can be switched freely at any time, making the printing work more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the main structure of the ink storage cartridge of the present invention;

[0024] Figure 3 It is a schematic diagram of the cross-sectional structure of the ink storage cartridge of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the ink scraping mechanism of the present invention.

[0026] In the figure: 1. machine body; 2. printing roller; 3. first ink storage box; 4. second ink storage box; 5. third ink storage box; 6. ink coating roller; 7. ink distribution roller; 8. arc hole; 9. slider; 10. electric push rod; 11. connecting rod; 12. cylinder body; 13. movable rod; 14. limit plate; 15. spring; 16. scraper; 17. electromagnet; 18. iron sheet; 19. ink receiving box; 20. guide groove; 21. guide block; 22. ink filling tube; 23. liquid level valve; 24. guide plate. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] The present invention provides Figure 1-4 The freely switchable multi-color high-speed printing machine shown in the figure comprises a machine body 1, an ink storage box, an electric push rod 10, an ink scraping mechanism and other components.

[0029] The body 1 is a printing machine in the prior art. The first ink storage cartridge 3, the second ink storage cartridge 4 and the third ink storage cartridge 5 are all connected to an ink filling tube 22. A liquid level valve 23 is installed on the ink filling tube 22 to facilitate automatic addition of ink. The ink storage cartridges are not limited to three groups and can be increased according to actual conditions. They are installed inside the body 1.

[0030] The electric push rod 10 is used to drive the slider 9 to move inside the arc hole 8 when it is extended and retracted, thereby driving the ink distribution roller 7 to move tangentially to the outside of the inking roller 6, and to fit and separate from the printing roller 2. The inking roller 6, the ink distribution roller 7 and the printing roller 2 are all set to a tangential structure in sequence to ensure that the ink distribution roller 7 can apply ink.

[0031] The spring 15 in the ink scraping mechanism can press the scraper 16 to be close to the surface of the printing roller 2 to clean the residual ink.

[0032] The connection relationship and position relationship between the components in this embodiment will be described below;

[0033] The machine body 1 is provided with a printing roller 2 and an ink storage box, wherein the ink storage box comprises a first ink storage box 3, a second ink storage box 4 and a third ink storage box 5, wherein an ink coating roller 6 and an ink distributing roller 7 are rotatably installed inside the first ink storage box 3, the second ink storage box 4 and the third ink storage box 5.

[0034] The first ink storage box 3, the second ink storage box 4 and the third ink storage box 5 are all provided with arc holes 8, and a slider 9 is movably connected inside the arc hole 8. An electric push rod 10 is pinned to the outer side of the slider 9, and the base end of the electric push rod 10 is pinned to the outside of the ink storage box. The ink distribution roller 7 is rotatably installed on the inner side of the slider 9 through a bearing.

[0035] The bottom of the printing roller 2 is provided with an ink scraping mechanism;

[0036] The ink scraping mechanism includes a connecting rod 11 fixedly connected to the bottom of the machine body 1, the upper end of the connecting rod 11 is fixedly connected to a cylinder body 12, a movable rod 13 is movably inserted inside the cylinder body 12, a limiting plate 14 is fixed to the outside of the movable rod 13, a guide groove 20 is opened on the inner side of the cylinder body 12, and a guide block 21 matching the guide groove 20 is provided on the edge of the limiting plate 14, which is beneficial to limit the angle of the scraper 16, a spring 15 is provided at the bottom of the limiting plate 14, and the spring 15 is sleeved on the outside of the movable rod 13, an iron sheet 18 is fixed to the lower end of the movable rod 13, and an electromagnet 17 is magnetically connected to the bottom of the iron sheet 18, and the electromagnet 17 is installed on one side of the connecting rod 11, and a scraper 16 is fixedly connected to the upper end of the movable rod 13, and the scraper 16 is set to an inclined structure, and the inclination direction of the scraper 16 is opposite to the rotation direction of the printing roller 2.

[0037] A guide plate 24 is provided at the lower end of the scraper 16, and an ink receiving box 19 is provided below the guide plate 24 for receiving the waste ink cleaned by the scraper 16. A filter screen 25 is installed inside the ink receiving box 19 to filter out impurities in the ink. An ink discharge pipe is provided at the bottom of the ink receiving box 19.

[0038] The present invention provides a method for using a freely switchable multi-color high-speed printing machine, comprising the following steps:

[0039] S1, adding inks of different colors into the first ink storage cartridge 3, the second ink storage cartridge 4 and the third ink storage cartridge 5 as required;

[0040] S2. According to the actual needs of printing, a color is selected, and the electric push rod 10 on the corresponding ink storage box is turned on to drive the slider 9 to move inside the arc hole 8, so that the ink distribution roller 7 is in contact with the printing roller 2, so that the ink coating roller 6, the ink distribution roller 7 and the printing roller 2 are all tangent to each other in sequence, and the ink distribution roller 7 applies ink to the surface of the printing roller 2 for printing;

[0041] S3. When switching to other color inks, first turn on the electric push rod 10 to drive the ink roller 7 to separate from the printing roller 2, then disconnect the power supply of the electromagnet 17, and the scraper 16 is pressed against the bottom of the printing roller 2 by the squeezing force of the spring 15 in the cylinder body 12, and the residual ink on the surface of the printing roller 2 is scraped off to clean the printing roller 2;

[0042] S4. After the ink is scraped off, the power supply of the electromagnet 17 is connected. The electromagnet 17 drives the scraper 16 to separate from the printing roller 2 by adsorbing the movable rod 13 through the iron sheet 18. Then, the color to be replaced is selected and S2 is repeated.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A freely switchable multi-color high-speed printing machine, comprising a machine body (1), wherein the machine body (1) is provided with a printing roller (2) and ink storage boxes, wherein the ink storage boxes include a first ink storage box (3), a second ink storage box (4) and a third ink storage box (5), wherein an ink coating roller (6) and an ink distribution roller (7) are rotatably mounted inside the first ink storage box (3), the second ink storage box (4) and the third ink storage box (5), wherein: The first ink storage box (3), the second ink storage box (4) and the third ink storage box (5) are all provided with arc-shaped holes (8) on their sides, a slider (9) is movably connected inside the arc-shaped hole (8), an electric push rod (10) is pin-connected to the outer side of the slider (9), a base end of the electric push rod (10) is pin-connected to the outside of the ink storage box, and the ink distribution roller (7) is rotatably mounted on the inner side of the slider (9) via a bearing; An ink scraping mechanism is provided at the bottom of the printing roller (2); The ink scraping mechanism comprises a connecting rod (11) fixedly connected to the bottom of the machine body (1), the upper end of the connecting rod (11) is fixedly connected to a cylinder body (12), a movable rod (13) is movably inserted inside the cylinder body (12), a limit plate (14) is fixedly provided outside the movable rod (13), a spring (15) is provided at the bottom of the limit plate (14), the spring (15) is sleeved on the outside of the movable rod (13), an iron sheet (18) is fixed at the lower end of the movable rod (13), an electromagnet (17) is magnetically connected to the bottom of the iron sheet (18), the electromagnet (17) is installed on one side of the connecting rod (11), and the upper end of the movable rod (13) is fixedly connected to a scraper (16); The ink coating roller (6), the ink distribution roller (7) and the printing roller (2) are sequentially arranged to form a tangent structure.

2. The freely switchable multi-color high-speed printing machine according to claim 1, characterized in that: A guide plate (24) is provided at the lower end of the scraper (16), and an ink receiving box (19) is provided below the guide plate (24).

3. The freely switchable multi-color high-speed printing machine according to claim 1, characterized in that: A guide groove (20) is provided on the inner side of the cylinder body (12), and a guide block (21) matching the guide groove (20) is provided on the edge of the limit plate (14).

4. The freely switchable multi-color high-speed printing machine according to claim 1, characterized in that: The first ink storage box (3), the second ink storage box (4) and the third ink storage box (5) are all connected to an ink injection tube (22), and a liquid level valve (23) is installed on the ink injection tube (22).

5. The freely switchable multi-color high-speed printing machine according to claim 2, characterized in that: A filter screen (25) is installed inside the ink receiving box (19), and an ink discharge pipe is provided at the bottom of the ink receiving box (19).

6. The freely switchable multi-color high-speed printing machine according to claim 1, characterized in that: The scraper (16) is arranged as an inclined structure, and the inclination direction of the scraper (16) is opposite to the rotation direction of the printing roller (2).

7. A method for using the freely switchable multi-color high-speed printing press according to claim 1, characterized in that: The following steps are involved: S1, adding inks of different colors into the first ink storage box, the second ink storage box and the third ink storage box as needed; S2. According to the actual needs of printing, a color is selected, and the electric push rod on the corresponding ink storage box is turned on to drive the slider to move inside the arc hole, so that the ink distribution roller is in contact with the printing roller, so that the ink coating roller, the ink distribution roller and the printing roller are all tangent to each other in sequence, and the ink distribution roller applies ink to the surface of the printing roller for printing; S3. When switching to other color inks, first turn on the electric push rod to drive the ink roller to separate from the printing roller, then disconnect the power supply of the electromagnet, and the scraper is pressed against the bottom of the printing roller by the squeezing force of the spring in the cylinder body to scrape off the residual ink on the surface of the printing roller to clean the printing roller; S4. After the ink is scraped off, connect the power supply of the electromagnet. The electromagnet drives the scraper to separate from the printing roller through the iron sheet adsorbing the movable rod. Then select the color to be replaced and repeat S2.

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