Anti-ink-vibration device of offset press
By designing an anti-ink stringing device in the offset printing machine and using a hot air fan to quickly dry the ink, the ink stringing problem caused by the ink failure in the multi-color printing machine is solved, the printing quality is improved, and the ink recycling is realized, reducing the production costs.
Patent Information
- Application Number
- CN202421390795.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-02-18
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Now, when the ink is not dry during the printing process of multi-color printing press, it causes ink-stitching problems, affecting the printing quality.
An anti-ink-strip device for offset printing machine is designed, including a hot air fan, an air outlet and a support plate. The hot air is generated through the hot air fan, and the hot air is sent out from the air outlet through the connecting hose, which is directly blown to the printed paper, and the surface is quickly dried. Ink, avoid ink.
It effectively avoids the ink-stitching problem, ensures printing quality, and realizes the recycling of ink through the design of collection grooves and scrapers, and reduces production costs.
Smart Images

Figure CN222495827U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of offset printing machines, in particular to an anti-ink cross-linking device for offset printing machines. Background Art
[0002] Offset printing press is a type of flatbed printing press, and can be divided into single-color, two-color, four-color and multi-color printing presses according to the number of colors printed in one pass. During printing, the printing plate is first printed on the rubber cylinder, and then transferred to the paper by the rubber cylinder.
[0003] The existing multi-color printing machine requires multiple units to print multiple times. During printing, the ink cannot be completely dried, resulting in ink cross-talk, which affects the printing quality. To solve the above problem, an anti-ink cross-talk device for offset printing machine is proposed. Utility Model Content
[0004] The utility model aims to provide an anti-ink-stirring device for an offset printing press, so as to solve the problem that the existing multi-color printing press needs multiple units to print multiple times, and the ink cannot be completely dried during printing, resulting in ink stirring and affecting the printing quality.
[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
[0006] The utility model is an anti-ink cross-linking device for an offset printing machine, comprising a unit main body, a hot air blower is fixedly installed on one side of an inner wall of the unit main body, a connecting hose is fixedly connected to the lower surface of the hot air blower, an air outlet is fixedly connected to the lower end of the connecting hose, both ends of the air outlet are fixedly connected to the inner wall of the unit main body, a support plate is fixedly installed in the unit main body, and the support plate is located directly below the air outlet.
[0007] Preferably, a first mounting shaft and a second mounting shaft are rotatably mounted on one side of the inner wall of the unit body, a rubber roller is mounted on the circumferential surface of the first mounting shaft, a printing plate roller is mounted on the circumferential surface of the second mounting shaft, a collecting groove is fixedly mounted on one side of the inner wall of the unit body, a scraper is provided on one surface of the collecting groove, the scraper is in contact with the printing plate roller, an ink discharge hole is opened on one side of the collecting groove, and an ink discharge tube is fixedly mounted in the ink discharge hole.
[0008] Preferably, a side surface of the unit body is provided with a plurality of through holes, in which a first rotating shaft and a second rotating shaft are respectively installed, a driven wheel is fixedly installed at one end of the first rotating shaft, and an impression roller is fixedly installed at one end of the second rotating shaft.
[0009] Preferably, a first fixing plate is fixedly installed on one surface of the unit body, a first sliding groove is provided in the first fixing plate, a first sliding block is slidably installed in the first sliding groove, a through hole is provided on one surface of the first sliding block, a first rotating shaft is installed in the through hole, a threaded hole is provided on the upper surface of the first fixing plate, a threaded rod is installed in the threaded hole, a knob is fixedly installed on the upper end surface of the threaded rod, and the lower end of the threaded rod is rotatably connected to the first sliding block.
[0010] Preferably, a second fixed plate is fixedly installed on one surface of the unit body, a second sliding groove is provided in the second fixed plate, a second slider is slidably installed in the second sliding groove, a through hole is provided on one surface of the second slider, a second rotating shaft is installed in the through hole, a through hole is provided on the upper surface of the second fixed plate, a guide rod is installed in the through hole, a spring is installed on the circumferential surface of the guide rod, a limiting block is fixedly installed on the upper end surface of the guide rod, and the lower end surface of the guide rod is rotatably connected to the second slider.
[0011] Preferably, an ink supply box is fixedly mounted on one side of the inner wall of the unit body, and an ink supply roller is rotatably mounted on one side of the inner wall of the unit body, and the ink supply roller is located directly above the printing plate roller.
[0012] Preferably, a traction wheel is rotatably mounted on one side surface of the inner wall of the unit body, and the traction wheel is located directly below the driven wheel.
[0013] Preferably, a feed port is provided on one surface of the unit body, and a discharge port is provided on the other surface of the unit body.
[0014] The utility model has the following beneficial effects:
[0015] 1. The utility model is provided with a hot air blower, an air outlet and a support plate. The hot air blower generates hot air, which is sent out from the air outlet through a connecting hose and blown directly to the printed paper to quickly dry the surface ink, effectively avoid the problem of ink cross-linking, ensure the printing quality, and has strong practicality.
[0016] 2. The utility model sets a collecting trough and a scraper. The scraper can evenly scrape the ink on the surface of the printing plate cylinder to improve the printing quality, but a large amount of ink will accumulate on the scraper. The collecting trough and the scraper are integrated, and the ink will flow into the collecting trough along with the scraper to avoid ink accumulation and dripping, which affects printing. At the same time, the collected ink can be recycled to reduce production costs and further improve practicality.
[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 It is a front structural schematic diagram of the utility model;
[0021] Figure 3 for Figure 2 AA cross-sectional structural diagram;
[0022] Figure 4 for Figure 3 BB cross-sectional structure diagram;
[0023] Figure 5 for Figure 1 Schematic diagram of the partial enlarged structure at point C in the middle.
[0024] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1. unit body; 2. feed port; 3. ink discharge pipe; 4. hot air blower; 5. connecting hose; 6. rubber roller; 7. driven wheel; 8. discharge port; 9. traction wheel; 10. air outlet; 11. support plate; 12. impression roller; 13. first mounting shaft; 14. ink discharge hole; 15. collecting tank; 16. scraper; 17. second mounting shaft; 18. plate roller; 19. ink supply roller; 20. ink supply cartridge; 21. first rotating shaft; 22. second rotating shaft; 23. knob; 24. threaded rod; 25. first fixed plate; 26. first sliding block; 27. first slide groove; 28. second slide groove; 29. second fixed plate; 30. second sliding block; 31. guide rod; 32. spring; 33. limit block. DETAILED DESCRIPTION
[0025] 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.
[0026] See also Figure 1-Figure 5As shown, the utility model is an anti-ink cross-talk device for an offset printing press, comprising a unit main body 1, a hot air blower 4 is fixedly installed on one side of the inner wall of the unit main body 1, a connecting hose 5 is fixedly connected to the lower surface of the hot air blower 4, an air outlet 10 is fixedly connected to the lower end of the connecting hose 5, both ends of the air outlet 10 are fixedly connected to the inner wall of the unit main body 1, a support plate 11 is fixedly installed in the unit main body 1, and the support plate 11 is located directly below the air outlet 10. By arranging the hot air blower 4, the air outlet 10 and the support plate 11, the hot air blower 4 generates hot air, and the hot air is sent out from the air outlet 10 through the connecting hose 5 and blown directly to the printed paper, so as to quickly dry the surface ink, effectively avoid the problem of ink cross-talk, ensure the printing quality, and have strong practicality.
[0027] A first mounting shaft 13 and a second mounting shaft 17 are rotatably mounted on one side of the inner wall of the unit body 1, a rubber roller 6 is mounted on the circumferential surface of the first mounting shaft 13, a printing plate roller 18 is mounted on the circumferential surface of the second mounting shaft 17, a collecting groove 15 is fixedly mounted on one side of the inner wall of the unit body 1, a scraper 16 is provided on one surface of the collecting groove 15, the scraper 16 is in contact with the printing plate roller 18, an ink discharge hole 14 is opened on one side of the collecting groove 15, an ink discharge tube 3 is fixedly mounted in the ink discharge hole 14, by providing the collecting groove 15 and the scraper 16, the scraper 16 can scrape the ink on the surface of the printing plate roller 18 evenly, thereby improving the printing quality, but a large amount of ink will be accumulated on the scraper 16, the collecting groove 15 and the scraper 16 are integrated, the ink will flow into the collecting groove 15 along with the scraper 16, so as to avoid ink accumulation and dripping, thereby affecting printing, and at the same time the collected ink can be recycled, thereby reducing production costs and further improving practicality.
[0028] A plurality of through holes are formed on one side of the unit body 1 , in which the first rotating shaft 21 and the second rotating shaft 22 are respectively installed. The driven wheel 7 is fixedly installed on one end of the first rotating shaft 21 , and the impression roller 12 is fixedly installed on one end of the second rotating shaft 22 .
[0029] A first fixing plate 25 is fixedly installed on one surface of the unit body 1, a first slide groove 27 is provided in the first fixing plate 25, a first slider 26 is slidably installed in the first slide groove 27, a through hole is provided on one surface of the first slider 26, a first rotating shaft 21 is installed in the through hole, a threaded hole is provided on the upper surface of the first fixing plate 25, a threaded rod 24 is installed in the threaded hole, a knob 23 is fixedly installed on the upper end surface of the threaded rod 24, and the lower end of the threaded rod 24 is rotatably connected to the first slider 26. By setting the threaded rod 24, the first slider 26 and the first slide groove 27, the threaded rod 24 is adjusted to control the position of the first slider 26 in the first slide groove 27, and the distance between the driven wheel 7 and the traction wheel 9 is controlled, so that paper of different thicknesses can be adapted.
[0030] A second fixed plate 29 is fixedly installed on one surface of the unit body 1, a second slide groove 28 is provided in the second fixed plate 29, a second slider 30 is slidably installed in the second slide groove 28, a through hole is provided on one surface of the second slider 30, a second rotating shaft 22 is installed in the through hole, a through hole is provided on the upper surface of the second fixed plate 29, a guide rod 31 is installed in the through hole, a spring 32 is installed on the circumferential surface of the guide rod 31, a limit block 33 is fixedly installed on the upper end surface of the guide rod 31, and the lower end surface of the guide rod 31 is rotatably connected to the second slider 30. By setting the spring 32, the elastic force of the spring 32 can ensure that the impression cylinder 12 is close to the rubber cylinder 6, thereby ensuring the printing quality.
[0031] An ink supply box 20 is fixedly mounted on one side of the inner wall of the unit body 1 , and an ink supply roller 19 is rotatably mounted on one side of the inner wall of the unit body 1 . The ink supply roller 19 is located directly above the plate cylinder 18 .
[0032] A traction wheel 9 is rotatably mounted on one side surface of the inner wall of the unit body 1 , and the traction wheel 9 is located directly below the driven wheel 7 .
[0033] A material inlet 2 is provided on one surface of the unit body 1 , and a material outlet 8 is provided on the other surface of the unit body 1 .
[0034] Example: Figure 1-Figure 5 As shown, the working principle of an anti-ink-stirring device for an offset printing press of the utility model is as follows: when using the utility model, the threaded rod 24 is adjusted according to the thickness of the paper, the position of the first slider 26 in the first slide groove 27 is controlled, and the distance between the driven wheel 7 and the traction wheel 9 and the ink supply box 20 is controlled, so that the paper can be better pulled, and the ink supply roller 19 sends ink to the plate roller 18, the plate roller 18 rolls, and the scraper 16 scrapes the ink on the surface of the plate roller 18 evenly, and the residual ink flows along the scraper 16 to the collecting tank 15 to avoid ink accumulation and dripping, which affects printing. At the same time, the collected ink can be recycled to reduce production costs. The elastic force of the spring 32 can ensure that the impression roller 12 is close to the rubber roller 6 to ensure printing quality. After printing is completed, the paper continues to move, and the hot air blower 4 generates hot air, which is sent out from the air outlet 10 through the connecting hose 5 and blown directly to the printed paper, so as to quickly dry the surface ink and effectively avoid the problem of ink stirring.
[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. An anti-ink cross-linking device for an offset printing press, comprising a unit body (1), characterized in that: A hot air blower (4) is fixedly mounted on one side of the inner wall of the unit body (1); a connecting hose (5) is fixedly connected to the lower surface of the hot air blower (4); an air outlet (10) is fixedly connected to the lower end of the connecting hose (5); both ends of the air outlet (10) are fixedly connected to the inner wall of the unit body (1); a support plate (11) is fixedly mounted inside the unit body (1); and the support plate (11) is located directly below the air outlet (10).
2. The anti-ink-crosslinking device for offset printing press according to claim 1, characterized in that: A first mounting shaft (13) and a second mounting shaft (17) are rotatably mounted on one side of the inner wall of the unit body (1); a rubber roller (6) is mounted on the peripheral surface of the first mounting shaft (13); a printing plate roller (18) is mounted on the peripheral surface of the second mounting shaft (17); a collecting groove (15) is fixedly mounted on one side of the inner wall of the unit body (1); a scraper (16) is provided on one surface of the collecting groove (15); the scraper (16) is in contact with the printing plate roller (18); an ink discharge hole (14) is opened on one side of the collecting groove (15); an ink discharge tube (3) is fixedly mounted in the ink discharge hole (14).
3. The anti-ink cross-linking device for offset printing press according to claim 1, characterized in that: A plurality of through holes are provided on one side of the unit body (1), and a first rotating shaft (21) and a second rotating shaft (22) are respectively installed in the through holes; a driven wheel (7) is fixedly installed on one end of the first rotating shaft (21), and an impression roller (12) is fixedly installed on one end of the second rotating shaft (22).
4. The anti-ink-crosslinking device for offset printing press according to claim 3, characterized in that: A first fixing plate (25) is fixedly mounted on one surface of the unit body (1), a first sliding groove (27) is provided in the first fixing plate (25), a first sliding block (26) is slidably mounted in the first sliding groove (27), a through hole is provided on one surface of the first sliding block (26), a first rotating shaft (21) is mounted in the through hole, a threaded hole is provided on the upper surface of the first fixing plate (25), a threaded rod (24) is mounted in the threaded hole, a knob (23) is fixedly mounted on the upper end surface of the threaded rod (24), and the lower end of the threaded rod (24) is rotatably connected to the first sliding block (26).
5. The anti-ink-crosslinking device for offset printing press according to claim 3, characterized in that: A second fixing plate (29) is fixedly mounted on one surface of the unit body (1), a second slide groove (28) is provided in the second fixing plate (29), a second slider (30) is slidably mounted in the second slide groove (28), a through hole is provided on one surface of the second slider (30), a second rotating shaft (22) is mounted in the through hole, a through hole is provided on the upper surface of the second fixing plate (29), a guide rod (31) is mounted in the through hole, a spring (32) is mounted on the peripheral surface of the guide rod (31), a limit block (33) is fixedly mounted on the upper end surface of the guide rod (31), and a lower end surface of the guide rod (31) is rotatably connected to the second slider (30).
6. The anti-ink-crosslinking device for offset printing press according to claim 2, characterized in that: An ink supply box (20) is fixedly mounted on one side of the inner wall of the unit body (1), and an ink supply roller (19) is rotatably mounted on one side of the inner wall of the unit body (1), wherein the ink supply roller (19) is located directly above the printing plate roller (18).
7. The anti-ink-crosslinking device for offset printing press according to claim 3, characterized in that: A traction wheel (9) is rotatably mounted on one side surface of the inner wall of the unit body (1), and the traction wheel (9) is located directly below the driven wheel (7).
8. The anti-ink-crosslinking device for offset printing press according to claim 1, characterized in that: A material inlet (2) is provided on one surface of the unit body (1), and a material outlet (8) is provided on the other surface of the unit body (1).