An ink supply mechanism for a packaging paper printing machine

Abstract

This utility model discloses an ink supply mechanism for a packaging paper printing machine, including a mounting box, an ink supply tank, a liquid pump, and a servo motor. A movable shaft is located on the lower side of one side of the mounting box, and a printing roller is rotatably connected to the surface of the movable shaft. An ink supply tank is fixed to one side of the mounting box, and an ink observation window is provided on the side of the ink supply tank. A support plate is fixed inside the mounting box near the ink supply tank, and a liquid pump is mounted on the support plate. One end of the liquid pump is connected to the ink supply tank via an ink guide pipe, and the other end of the liquid pump is connected to a discharge pipe, with a horizontal pipe connected to the end of the discharge pipe. This ink supply mechanism for a packaging paper printing machine allows for the convenient removal of paper scraps accumulated on the surface of the filter screen by a movable scraper installed above the filter screen inside the cleaning frame. The scraper collects the paper scraps into a collection frame inside the drain pipe, preventing the filter screen from becoming clogged with paper scraps after prolonged use.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging paper printing machines, specifically to an ink supply mechanism for packaging paper printing machines. Background Technology

[0002] The ink supply mechanism is a crucial component on packaging paper printing presses, supplying ink to the printing rollers to facilitate printing on the packaging paper. With increasing printing demands, the ink supply mechanism on printing presses is receiving more and more attention. An existing ink supply mechanism for a printing press, disclosed in publication number CN208133817U, includes a support base. A vertically fixed plate is vertically mounted on the rear left side of the upper surface of the support base. A printing roller is rotatably connected to the front middle side of the vertically fixed plate via a roller shaft. A fixed side plate is vertically fixed on the right side of the upper surface of the support base. One end of a first horizontal fixed rod is horizontally fixed to the upper left side surface of the fixed side plate. The other end of the first horizontal fixed rod is fixedly connected to the rear end of the right outer wall of the first roller dust collector. This mechanism uses a dust removal scraper to remove paper scraps and residual ink from the surface of the printing roller, keeping the roller surface clean. A filter screen filters the paper scraps and ink, allowing for ink recycling and reuse, thus saving ink consumption.

[0003] However, since the filter screen separates paper scraps from ink, paper scraps will accumulate on the filter screen. Over time, the accumulated paper scraps will clog the filter screen, affecting the filtration effect. At the same time, the above documents use a liquid pump to introduce ink into the ink supply cartridge, making it difficult to control the amount of ink entering the ink supply cartridge, which can easily lead to problems such as blurry printing and ink waste. Utility Model Content

[0004] The purpose of this invention is to provide an ink supply mechanism for a packaging paper printing machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An ink supply mechanism for a packaging paper printing machine includes a mounting box. A movable shaft is located on the lower side of one side of the mounting box, and a printing roller is rotatably connected to the movable shaft. An ink supply box is fixed on one side of the mounting box. A liquid pump is mounted inside the mounting box via a support plate. The liquid pump is connected to the ink supply box via an ink guide pipe. A horizontal pipe is connected to the end of the discharge pipe connected to the liquid pump. Both ends of the horizontal pipe are connected to conveying pipes. The ends of the conveying pipes are connected to a connecting frame. An ink supply frame is fixed to the lower end of the connecting frame. A liquid cavity is provided inside the ink supply frame. A communicating hole connected to the connecting frame is opened on the upper surface of the liquid cavity. Liquid outlet holes connected to the liquid cavity are evenly opened on the surface of the ink supply frame.

[0007] Preferably, an ink supply sponge brush is bonded to the surface of the ink supply frame and adhered to the surface of the printing roller. A cleaning frame is provided inside the mounting box above the printing roller, and a scraper is fixed below the cleaning frame and adhered to the upper surface of the printing roller. The end of the cleaning frame inside the mounting box is connected to the ink supply box through a drain pipe.

[0008] Preferably, the upper surface of the cleaning frame is provided with a sliding groove, a servo motor is installed on the side of the mounting box, and a rotating lead screw located inside the sliding groove is fixed to the output end of the servo motor, and a scraper is connected to the surface of the rotating lead screw.

[0009] Preferably, a drain pipe is fixed at the other end of the mounting box where it connects to the cleaning frame, and a collection frame is slidably connected below the drain pipe. The collection frame is connected to the surface of the drain pipe by mounting bolts.

[0010] Using the above technical solution, as the scraper moves, the paper scraps accumulated on the filter screen can be discharged into the collection frame through the drain pipe, so as to collect the paper scraps on the filter screen. At the same time, with the use of mounting bolts, the collection frame can be removed to facilitate the cleaning of the paper scraps inside.

[0011] Preferably, both ends of the ink supply box are rotatably connected to rotating shafts, and agitators are uniformly fixed on the rotating shafts inside the ink supply box. The two sets of rotating shafts are connected by a belt, and a drive motor fixed to the bottom of the ink supply box is fixed on the rotating shaft on one side of the ink supply box.

[0012] By adopting the above technical solution, the ink inside the ink supply box can be stirred by the drive motor through the rotating shaft, thus avoiding the problem of ink settling inside the ink supply box.

[0013] Preferably, a connecting shaft with one end protruding from the surface of the mounting box is provided through the middle of the connecting frame, and a liquid control plate is fixed inside the connecting frame on the surface of the connecting shaft. A rubber pad with its surface in contact with the inside of the connecting frame is adhered to the surface of the liquid control plate.

[0014] By adopting the above technical solution, the control plate can be rotated inside the connecting frame via the connecting shaft, which facilitates the control of the ink discharged into the ink supply frame via the control plate inside the connecting frame.

[0015] Preferably, a gear is fixed on the outside of the mounting box on the connecting frame, an electric telescopic rod is fixed on the outside of the mounting box on one side of the gear, and a toothed plate that meshes with the gear is fixed at the output end of the electric telescopic rod.

[0016] By adopting the above technical solution, the toothed plate can be extended and retracted by the electric telescopic rod, so that the toothed plate can drive the gear at the outer end of the connecting shaft to mesh and rotate, which facilitates the rotation of the connecting shaft on the connecting frame.

[0017] Preferably, the filter screen is arranged at an angle, and the filter screen is welded to the scraper and the cleaning frame.

[0018] By adopting the above technical solution, paper scraps and ink scraped off the printing roller can be filtered through the filter screen.

[0019] Preferably, the lower end face of the scraper is inclined and fits against the upper end face of the filter screen. The upper end of the scraper is convex and the scraper and the groove on the upper surface of the cleaning frame form a snap-fit ​​sliding connection. The scraper and the rotating screw are connected by a threaded connection.

[0020] By adopting the above technical solution, the paper scraps on the filter screen can be easily scraped off by rotating the lead screw and scraper thread, thus avoiding paper scraps clogging the filter screen and affecting the filtration effect.

[0021] Preferably, the drain pipe is inclined and a control valve is installed on its surface. The upper end of the drain pipe is located below the filter screen on the cleaning frame. A filter screen is provided between the scraper and the cleaning frame, and an ink observation window is provided on the side of the ink supply box.

[0022] By adopting the above technical solution, the ink collected inside the cleaning frame can be discharged back into the ink supply box through the inclined drain pipe, so as to improve the ink utilization efficiency.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] The ink supply mechanism of this packaging paper printing machine can easily remove paper scraps accumulated on the surface of the filter screen by using a movable scraper installed above the filter screen inside the cleaning frame, and discharge them into the collection frame inside the drain pipe, thus avoiding the problem of paper scraps clogging the filter screen after long-term use.

[0025] The ink supply mechanism of this packaging paper printing machine can be used in conjunction with the liquid control plate and rubber pad through the connecting shaft on the connecting frame. This allows for easy adjustment of the amount of ink discharged into the ink supply frame by rotating the angle of the liquid control plate inside the connecting frame during ink discharge, thus avoiding problems such as blurry printing and waste caused by excessive material supply. Attached Figure Description

[0026] Figure 1 This is a front view structural diagram of the present invention;

[0027] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0028] Figure 3 This is a schematic diagram of the front sectional view of the present invention;

[0029] Figure 4 This is a schematic diagram of the rear cross-section structure of this utility model;

[0030] Figure 5 This is a schematic diagram of the connection structure between the sewage pipe and the collection frame of this utility model;

[0031] Figure 6 This utility model Figure 4 Schematic diagram of the structure at point A in the middle;

[0032] Figure 7 This is a top sectional view of the connecting frame of this utility model.

[0033] In the picture:

[0034] 1. Mounting box; 2. Movable shaft; 3. Printing roller; 4. Ink supply box; 5. Ink observation window; 6. Drive motor; 7. Rotating shaft; 8. Stirring blade; 9. Belt; 10. Support plate; 11. Liquid pump; 12. Ink guide tube; 13. Discharge pipe; 14. Horizontal tube; 15. Feeding pipe; 16. Connecting frame; 17. Ink supply frame; 18. Liquid chamber; 19. Connecting hole; 20. Liquid outlet; 21. Ink supply sponge brush; 22. Cleaning frame; 23. Scraper; 24. Filter screen; 25. Slide groove; 26. Servo motor; 27. Rotating screw; 28. Scraper blade; 29. ​​Drain pipe; 30. Control valve; 31. Sewage pipe; 32. Collection frame; 33. Mounting bolt; 34. Connecting shaft; 35. Liquid control plate; 36. Rubber pad; 37. Gear; 38. Electric telescopic rod; 39. Toothed plate. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0036] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0037] Please see Figure 1-7The ink supply mechanism for a packaging paper printing machine provided by this utility model includes a mounting box 1, an ink supply box 4, a liquid pump 11, and a servo motor 26. A movable shaft 2 is provided on the lower side of one side of the mounting box 1, and a printing roller 3 is rotatably connected to the surface of the movable shaft 2. An ink supply box 4 is fixed on one side of the mounting box 1, and an ink observation window 5 is provided on the side of the ink supply box 4. Rotating shafts 7 are rotatably connected to both ends of the lower part of the ink supply box 4, and stirring blades 8 are uniformly fixed on the rotating shafts 7 inside the ink supply box 4. The two sets of rotating shafts 7 are connected by a belt 9. A drive motor 6 is fixed on the rotating shaft 7 on the lower side of the ink supply box 4, which can drive the stirring blades 8 through the rotating shaft 7 to stir the ink inside the ink supply box 4, thereby avoiding the problem of ink sedimentation inside the ink supply box 4.

[0038] For example, in some embodiments, a support plate 10 is fixed inside the mounting box 1 near the ink supply box 4, and a liquid pump 11 is installed on the support plate 10. One end of the liquid pump 11 is connected to the ink supply box 4 through an ink guide pipe 12, and the other end of the liquid pump 11 is connected to a discharge pipe 13. A horizontal pipe 14 is connected to the end of the discharge pipe 13. Both ends of the horizontal pipe 14 are connected to a conveying pipe 15, and the end of the conveying pipe 15 is connected to a connecting frame 16. An ink supply frame 17 is fixed to the lower end of the connecting frame 16, and a liquid cavity 18 is provided inside the ink supply frame 17. A communicating hole 19 connected to the connecting frame 16 is opened on the upper surface of the liquid cavity 18 inside the ink supply frame 17, and liquid outlet holes 20 connected to the liquid cavity 18 are evenly opened on the surface of the ink supply frame 17.

[0039] For example, in some embodiments, the surface of the ink supply frame 17 is adhesively provided with an ink supply sponge brush 21 that adheres to the surface of the printing roller 3. A connecting shaft 34 with one end protruding from the surface of the mounting box 1 is provided through the middle of the connecting frame 16. A liquid control plate 35 is fixed inside the connecting frame 16 on the surface of the connecting shaft 34. A rubber pad 36 with its surface adhering to the inside of the connecting frame 16 is adhesively provided on the surface of the liquid control plate 35. The liquid control plate 35 can be rotated inside the connecting frame 16 by the connecting shaft 34, so that the ink discharged into the ink supply frame 17 can be controlled by the liquid control plate 35 inside the connecting frame 16.

[0040] For example, in some embodiments, a gear 37 is fixed on the outside of the mounting box 1 on the connecting frame 16. An electric telescopic rod 38 is fixed on the outside of the mounting box 1 on one side of the gear 37. The output end of the electric telescopic rod 38 is fixed with a toothed plate 39 that meshes with the gear 37. The toothed plate 39 can be extended or retracted by the electric telescopic rod 38 so that the toothed plate 39 can drive the gear 37 at the outer end of the connecting shaft 34 to mesh and rotate, which facilitates the rotation of the connecting shaft 34 on the connecting frame 16.

[0041] Please see Figure 1-7As shown, in some exemplary embodiments, a cleaning frame 22 is provided inside the mounting box 1 above the printing roller 3, and a scraper 23 is fixed below the cleaning frame 22 and attached to the upper surface of the printing roller 3. A filter screen 24 is provided between the scraper 23 and the cleaning frame 22. The filter screen 24 is inclined and is welded to the scraper 23 and the cleaning frame 22, so that the paper scraps and ink scraped off the printing roller 3 can be filtered through the filter screen 24.

[0042] For example, in some embodiments, the upper surface of the cleaning frame 22 is provided with a groove 25, a servo motor 26 is installed on the side of the mounting box 1, and the output end of the servo motor 26 is fixed with a rotating screw 27 located inside the groove 25. A scraper 28 is connected to the surface of the rotating screw 27. The lower end face of the scraper 28 is inclined and is in contact with the upper end face of the filter screen 24.

[0043] For example, in some embodiments, the upper end of the scraper 28 is convex, and the scraper 28 and the groove 25 on the inner upper surface of the cleaning frame 22 form a snap-fit ​​sliding connection. The scraper 28 and the rotating screw 27 are connected by a threaded connection, which allows the scraper 28 to scrape the paper scraps on the filter screen 24 by rotating the screw 27 and the scraper 28 by threaded movement, so as to avoid the paper scraps clogging the filter screen 24 and affecting the filtration effect.

[0044] For example, in some embodiments, the end of the cleaning frame 22 inside the mounting box 1 is connected to the ink supply box 4 through a drain pipe 29. The drain pipe 29 is inclined and a control valve 30 is installed on the surface of the drain pipe 29. The upper end of the drain pipe 29 is located below the filter screen 24 on the cleaning frame 22. The ink collected inside the cleaning frame 22 can be discharged back into the ink supply box 4 through the inclined drain pipe 29 to improve the ink utilization efficiency.

[0045] Please see Figure 1-7 As shown, in some exemplary embodiments, a drain pipe 31 is fixed at the other end of the mounting box 1 where it is connected to the cleaning frame 22, and a collection frame 32 is slidably connected to the lower part of the drain pipe 31. The surface of the collection frame 32 is connected to the surface of the drain pipe 31 by mounting bolts 33. As the scraper 28 scrapes, the paper scraps accumulated on the filter screen 24 can be discharged into the collection frame 32 through the drain pipe 31 to collect the paper scraps on the filter screen 24. At the same time, with the use of mounting bolts 33, the collection frame 32 can be removed to facilitate the cleaning of the paper scraps inside.

[0046] Working principle:

[0047] During use, the scraper 23 on one side of the cleaning frame 22 above the printing roller 3 scrapes away paper scraps and excess ink from the surface of the printing roller 3, and allows the paper scraps and ink to pass through the filter screen 24, so that the ink is discharged to the inside of the cleaning frame 22 and accumulates, while the paper scraps are isolated on the filter screen 24. The side of the cleaning frame 22 is connected to the ink supply box 4 through the drain pipe 29 so that the ink can be reused.

[0048] When cleaning the paper scraps above the filter screen 24, the servo motor 26 is turned on, so that the servo motor 26 rotates the screw 27 and the scraper 28 threadedly, so that the scraper 28 engages and slides on the slide groove 25 inside the cleaning frame 22, so that the scraper 28 scrapes the paper scraps accumulated on the upper surface of the filter screen 24 to the end of the cleaning frame 22, so that the paper scraps can be discharged from the drain pipe 31, and then the collection frame 32 inside the drain pipe 31 collects the paper scraps. The collection frame 32 is fixedly connected to the drain pipe 31 by the mounting bolt 33, which makes it easy to remove the collection frame 32 for cleaning.

[0049] When supplying ink to the ink supply frame 17, the electric telescopic rod 38 can be opened, so that the electric telescopic rod 38 meshes with the gear 37 on the surface of the connecting shaft 34 through the toothed plate 39. This allows the connecting shaft 34 to drive the liquid control plate 35 on its surface to rotate inside the connecting frame 16, thereby making it easier to control the amount of ink discharged into the ink supply frame 17 and avoiding the problem of excessive ink being introduced into the ink supply frame 17, which would lead to blurry printing and ink waste.

[0050] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. Ink supply mechanism for a packaging paper printing machine, comprising a mounting box (1), characterized in that: A movable shaft (2) is provided on one side of the mounting box (1). A printing roller (3) is rotatably connected to the movable shaft (2). An ink supply box (4) is fixed on one side of the mounting box (1). A liquid pump (11) is installed on one side of the inside of the mounting box (1) via a support plate (10). The liquid pump (11) is connected to the ink supply box (4) via an ink guide pipe (12). A horizontal pipe (14) is connected to the end of the discharge pipe (13) connected to the liquid pump (11). A conveying pipe (15) is connected to both ends of the horizontal pipe (14). The end of the conveying pipe (15) is connected to the connecting frame (16). An ink supply frame (17) is fixed at the lower end of the connecting frame (16). A liquid cavity (18) is provided inside the ink supply frame (17). A connecting hole (19) connected to the connecting frame (16) is opened on the upper surface of the liquid cavity (18). An outlet hole (20) connected to the liquid cavity (18) is evenly opened on the surface of the ink supply frame (17).

2. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, The surface of the ink supply frame (17) is bonded with an ink supply sponge brush (21) that adheres to the surface of the printing roller (3). Inside the mounting box (1), above the printing roller (3), is a cleaning frame (22). Below the cleaning frame (22) is a scraper (23) that adheres to the upper surface of the printing roller (3). The end of the cleaning frame (22) is connected to the ink supply box (4) through a drain pipe (29).

3. The ink supply mechanism for a packaging paper printing machine according to claim 2, characterized in that, The upper surface of the cleaning frame (22) is provided with a groove (25), and the output end of the servo motor (26) installed on the side of the mounting box (1) is fixed with a rotating screw (27) located inside the groove (25). The surface of the rotating screw (27) is connected to a scraper (28).

4. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, A drain pipe (31) is fixed at the other end of the mounting box (1) where it is connected to the cleaning frame (22). A collection frame (32) is slidably connected to the drain pipe (31). The collection frame (32) is connected to the surface of the drain pipe (31) by mounting bolts (33).

5. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, The lower ends of the ink supply box (4) are rotatably connected to rotating shafts (7), and stirring blades (8) are uniformly fixed inside the ink supply box (4) on the rotating shafts (7). The two sets of rotating shafts (7) are connected by belts (9). A drive motor (6) is fixed on the rotating shaft (7) on the lower side of the ink supply box (4).

6. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, A connecting shaft (34) with one end protruding from the surface of the mounting box (1) is provided through the middle of the connecting frame (16), and a liquid control plate (35) is fixed inside the connecting frame (16) on the surface of the connecting shaft (34). A rubber pad (36) with its surface in contact with the inside of the connecting frame (16) is bonded to the surface of the liquid control plate (35).

7. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, A gear (37) is fixed on the outside of the mounting box (1) on the connecting frame (16). An electric telescopic rod (38) is fixed on the outside of the mounting box (1) on one side of the gear (37). The output end of the electric telescopic rod (38) is fixed with a toothed plate (39) that meshes with the gear (37).

8. The ink supply mechanism for a packaging paper printing machine according to claim 3, characterized in that, The lower end face of the scraper (28) is inclined and the lower end face of the scraper (28) is in contact with the upper end face of the filter screen (24). The upper end of the scraper (28) is convex and the scraper (28) and the sliding groove (25) on the inner upper surface of the cleaning frame (22) form a snap-fit ​​sliding connection. The scraper (28) and the rotating screw (27) are connected by a threaded connection.

9. The ink supply mechanism for a packaging paper printing machine according to claim 8, characterized in that, The filter screen (24) is set at an angle, and the filter screen (24) is welded to the scraper (23) and the cleaning frame (22).

10. The ink supply mechanism for a packaging paper printing machine according to claim 2, characterized in that, The drain pipe (29) is inclined, and a control valve (30) is installed on the surface of the drain pipe (29).

11. The ink supply mechanism for a packaging paper printing machine according to claim 2, characterized in that: A filter screen (24) is provided between the scraper (23) and the cleaning frame (22), and the upper end of the drain pipe (29) is located below the filter screen (24) on the cleaning frame (22).

12. The ink supply mechanism for a packaging paper printing machine according to claim 1, characterized in that, The side of the ink supply box (4) is provided with an ink observation window (5).

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