Water delivery roller structure capable of preventing ink adhesion

Abstract

The utility model discloses a water delivery roller structure capable of preventing ink sticking, which comprises a base, a fixing frame and a water delivery roller, the top of the base is connected with the fixing frame through a bolt, the center of the top of the fixing frame is connected with a shaft core through a bearing, and the water delivery roller is sleeved on the outer wall of the middle of the shaft core. A water storage tank is arranged at the center of the top of the base, a cleaning box is arranged on one side of the top of the moving block, an ink scraping plate is arranged on one side of the top of the cleaning box, an activated carbon filter screen is arranged in the middle of the cleaning box, the bottom end of the cleaning box communicates with a backflow pipe, and an arc-shaped plate is arranged on the side, away from the cleaning box, of the moving block. And a scrubbing sponge is arranged on the inner wall of the top of the arc-shaped plate. The scrubbing sponge can be used for supplying water to the surface of the water conveying roller and scrubbing the surface of the water conveying roller at the same time, ink on the surface of the water conveying roller is cleaned in cooperation with the ink scraping plate, and the situation that the ink adheres to the water conveying roller in the working process, consequently, the water conveying roller is polluted, and the working quality is reduced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water delivery rollers, in particular to a water delivery roller structure capable of preventing ink from sticking. Background Art

[0002] The printing water delivery roller is an important component for controlling the water supply on the printing press. Its main function is to evenly deliver water to the printing plate to ensure the correct separation and transfer of ink and water during the printing process. The application number CN96231002.6 is retrieved, which is a water delivery roller for offset printing press. This new water delivery roller has the advantages of being hydrophilic and oil-resistant, acid and alkali resistant, low cost, not corroded or peeled off, and having a long service life.

[0003] Similar to the water supply roller used in the above-mentioned offset printing machine: Although the inner wall of the stainless steel tube is bonded to the shaft through the filling material fiber concrete, it is hydrophilic, oil-resistant, acid- and alkali-resistant, and low-cost. However, the surface of the water supply roller at this stage is often prone to ink sticking during long-term work. The ink sticking on the surface can easily cause uneven water supply, which can easily affect product quality. It does not have the anti-ink cleaning function.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a water conveying roller structure that can prevent ink from sticking is proposed to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide a water delivery roller structure capable of preventing ink from sticking, so as to solve the problem that the water delivery roller for the above-mentioned offset printing machine proposed in the above-mentioned background technology is often easy to stick ink on the surface during long-term work, and the ink sticking on the surface easily causes uneven water delivery, which easily affects the product quality, and the water delivery roller does not have the anti-ink cleaning function.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water delivery roller structure capable of preventing ink from sticking, comprising a base, a fixing frame and a water delivery roller, the top of the base is connected to the fixing frame by bolts, the top center of the fixing frame is connected to the shaft core by a bearing, the water delivery roller is sleeved on the middle outer wall of the shaft core, a moving block is arranged in the middle of the fixing frame, limiting grooves are arranged on both side inner walls of the fixing frame, both ends of the moving block are connected to limiting sliders, and two groups of the limiting sliders are embedded in the limiting slide grooves on both sides.

[0007] Furthermore, a movable cavity is provided inside the base, and the bottom inner walls on both sides of the movable cavity are connected to threaded cylinders through bearings, and the top of the threaded cylinder is threadedly connected to a screw rod through the movable cavity, and the end of the screw rod away from the threaded cylinder is connected to the moving block through a fixing bolt.

[0008] Furthermore, a worm wheel is keyed to the bottom outer wall of the threaded cylinder, a worm is connected to one side of the movable cavity through a bearing, the worm is meshed with the worm wheel, a servo motor is connected to the outer wall of one side of the base, and the output end of the servo motor is connected to the worm.

[0009] Furthermore, a water storage tank is arranged at the top center of the base, a cleaning box is arranged on one side of the top of the moving block, an ink scraper is arranged on one side of the top of the cleaning box, and the top end of the ink scraper matches the water delivery roller.

[0010] Furthermore, an activated carbon filter is arranged in the middle of the cleaning box, a reflux pipe is connected to the bottom end of the cleaning box, and an end of the reflux pipe away from the cleaning box is connected to the water tank.

[0011] Furthermore, an arc-shaped plate is provided on the side of the movable block away from the cleaning box, a scrubbing sponge is provided on the top inner wall of the arc-shaped plate, the scrubbing sponge matches the water delivery roller, the bottom end of the arc-shaped plate is connected with an infusion tube, the end of the infusion tube away from the arc-shaped plate is connected with the water tank, a micro water pump is provided in the middle of the infusion tube, the scrubbing sponge is detachably connected to the arc-shaped plate by Velcro, and a mesh pattern is provided on the surface of the water delivery roller.

[0012] Compared with the prior art, the utility model has the following beneficial effects: a water conveying roller structure that can prevent ink from sticking, a scrubbing sponge can be used to supply water to the surface of the water conveying roller and scrub it at the same time, and an ink scraper can be used to clean the ink on the surface of the water conveying roller, so as to prevent the water conveying roller from sticking to the ink during the working process, thereby contaminating the water conveying roller and reducing the working quality. The specific contents are as follows:

[0013] When the moving block rises, it can drive the cleaning box and the ink scraper to rise, so that the ink scraper abuts against the water delivery roller, so as to scrape and clean the sticky ink remaining on the surface of the water delivery roller during the rotation process. The activated carbon filter plays a filtering role and can filter the ink scraped by the ink scraper. The cleaned water flows back to the water storage tank through the reflux pipe. The activated carbon filter is detachable and connected for daily replacement and cleaning. An arc plate is arranged on the side of the moving block away from the cleaning box. The arc plate plays the role of supporting and lifting the scrubbing sponge. The top inner wall of the arc plate is provided with a scrubbing sponge. The scrubbing sponge and the water delivery roller are connected. The water roller is matched, the scrubbing sponge can supply water to the surface of the water roller and scrub it at the same time, and cooperate with the ink scraper to clean the ink on the surface of the water roller to prevent the water roller from sticking to the ink during work, thereby contaminating the water roller and reducing the work quality. The bottom end of the arc plate is connected with an infusion pipe, and the end of the infusion pipe away from the arc plate is connected to the water tank. A micro water pump is arranged in the middle of the infusion pipe. The micro water pump can conduct the cleaning liquid in the water tank to the scrubbing sponge through the infusion pipe to soak the scrubbing sponge, so as to facilitate the wet scrubbing sponge to clean the surface of the water roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a water conveying roller structure capable of preventing ink from sticking to the present utility model;

[0015] Figure 2 This is a schematic diagram of the side view of a water conveying roller structure capable of preventing ink from sticking to the present utility model;

[0016] Figure 3 This is a schematic diagram of a cleaning box structure of a water conveying roller structure capable of preventing ink from sticking to the present utility model;

[0017] Figure 4 The utility model is a schematic diagram of the structure of a water conveying roller of a water conveying roller structure capable of preventing ink from sticking.

[0018] In the figure: 1. base; 2. fixed frame; 3. shaft core; 4. water delivery roller; 5. moving block; 6. limit slide groove; 7. limit slider; 8. movable chamber; 9. threaded barrel; 10. screw; 11. worm gear; 12. worm; 13. servo motor; 14. water storage tank; 15. cleaning box; 16. ink scraper; 17. activated carbon filter; 18. reflux pipe; 19. curved plate; 20. scrubbing sponge; 21. infusion tube; 22. micro water pump; 23. mesh pattern. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] See also Figure 1 - Figure 4 The utility model provides a technical solution: a water conveying roller structure capable of preventing ink from sticking, comprising a base 1, a fixing frame 2 and a water conveying roller 4, the top of the base 1 is connected with the fixing frame 2 by bolts, the fixing frame 2 plays a supporting role, the top center of the fixing frame 2 is connected with the shaft core 3 by a bearing, the water conveying roller 4 is sleeved on the middle outer wall of the shaft core 3, the shaft core 3 and the water conveying roller 4 can be driven by a motor to rotate so as to work, the surface of the water conveying roller 4 has many micropores, and the micropores are interconnected, which plays a role of water supply, a moving block 5 is arranged in the middle of the fixing frame 2, the moving block 5 plays the role of supporting the cleaning box 15 and the arc plate 19, the inner walls on both sides of the fixing frame 2 are provided with limiting grooves 6, both ends of the moving block 5 are connected with limiting sliders 7, two sets of limiting sliders 7 are embedded in the limiting slide grooves 6 on both sides, the limiting sliders 7 can slide in the limiting grooves 6, which plays a role of limiting and assisting the movement and stability.

[0021] A movable cavity 8 is provided inside the base 1, and the bottom inner walls on both sides of the movable cavity 8 are connected to threaded cylinders 9 through bearings. The threaded cylinder 9 can rotate inside the movable cavity 8, and the top of the threaded cylinder 9 passes through the movable cavity 8 and is threadedly connected to a screw 10. The rotation of the threaded cylinder 9 can drive the screw 10 to perform lifting movements. The end of the screw 10 away from the threaded cylinder 9 is connected to the moving block 5 through a fixing bolt. The lifting of the screw 10 drives the moving block 5 to perform lifting movements, so that the cleaning work of the water delivery roller 4 can be freely adjusted.

[0022] The bottom outer wall key of the threaded barrel 9 is connected to a worm wheel 11, and the worm wheel 11 rotates synchronously with the threaded barrel 9. A worm 12 is connected to one side of the movable chamber 8 through a bearing, and the worm 12 is meshed with the worm wheel 11. A servo motor 13 is connected to the outer wall of one side of the base 1, and the output end of the servo motor 13 is connected to the worm 12. The servo motor 13 can drive the worm 12 to rotate, and the rotation of the worm 12 drives the worm wheel 11 to rotate. The rotation of the worm wheel 11 drives the threaded barrel 9 to rotate synchronously, thereby driving the screw 10 to rise and fall, so that the moving block 5 can rise and fall, so that the cleaning work of the water delivery roller 4 can be freely adjusted.

[0023] A water tank 14 is provided at the top center of the base 1, and cleaning water can be stored in the water tank 14. A cleaning box 15 is provided on one side of the top of the moving block 5, and an ink scraper 16 is provided on one side of the top of the cleaning box 15. When the moving block 5 rises, the cleaning box 15 and the ink scraper 16 can be driven to rise, so that the ink scraper 16 abuts against the water delivery roller 4, thereby scraping and cleaning the sticky ink remaining on the surface of the water delivery roller 4 during the rotation process, and the top of the ink scraper 16 matches the water delivery roller 4.

[0024] An activated carbon filter 17 is arranged in the middle of the cleaning box 15. The activated carbon filter 17 plays a filtering role and can filter the ink scraped off by the scraper 16. The cleaning water can be returned to the water tank 14 through the reflux pipe 18. The activated carbon filter 17 is detachably connected for daily replacement and cleaning. The bottom end of the cleaning box 15 is connected with the reflux pipe 18. The reflux pipe 18 plays a connecting role and can return the cleaning water removed by the scraper 16 to the water tank 14 for recycling for subsequent use. The end of the reflux pipe 18 away from the cleaning box 15 is connected to the water tank 14.

[0025] A curved plate 19 is provided on one side of the moving block 5 away from the cleaning box 15. The curved plate 19 plays the role of supporting and lifting the scrubbing sponge 20. The top inner wall of the curved plate 19 is provided with a scrubbing sponge 20. The scrubbing sponge 20 matches the water delivery roller 4. The scrubbing sponge 20 can supply water to the surface of the water delivery roller 4 while scrubbing, and cooperate with the ink scraper 16 to clean the ink on the surface of the water delivery roller 4 to prevent the water delivery roller 4 from sticking to the ink during the working process, thereby contaminating the water delivery roller and reducing the working quality. The bottom end of the curved plate 19 is connected to the infusion tube 21. The end of the infusion tube 21 away from the curved plate 19 is connected to the water storage tank 14. The middle part of the infusion tube 21 is provided There is a micro water pump 22, which can transfer the cleaning liquid in the water tank 14 to the scrubbing sponge 20 through the infusion tube 21, so as to soak the scrubbing sponge 20, so as to facilitate the wet scrubbing sponge 20 to clean the surface of the water delivery roller 4. The scrubbing sponge 20 and the arc plate 19 are detachably connected by Velcro, and the detachable connection is convenient for replacing the scrubbing sponge 20. At the same time, when cleaning the scrubbing sponge 20, the power of the micro water pump 22 can be used to increase the water flow to flush the inside of the scrubbing sponge 20, so as to complete the cleaning work of the scrubbing sponge 20. The surface of the water delivery roller 4 is provided with a mesh pattern 23, which helps to improve the transmission efficiency and uniformity of water.

[0026] Working principle: When a water conveying roller structure that can prevent ink from sticking is used, the base 1 is fixedly installed, and the motor can drive the shaft core 3 and the water conveying roller 4 to rotate so as to work. The surface of the water conveying roller 4 has many micropores, and the micropores are interconnected to play a role in water supply. The servo motor 13 can drive the worm 12 to rotate, and the rotation of the worm 12 drives the worm wheel 11 to rotate. The rotation of the worm wheel 11 drives the threaded barrel 9 to rotate synchronously, thereby driving the screw 10 to rise and fall, so that the moving block 5 can be lifted and lowered, so that the cleaning work of the water conveying roller 4 can be freely adjusted. When the moving block 5 rises, it can drive the cleaning box 15 and the ink scraper 16 to rise, so that the ink scraper 16 abuts against the water conveying roller 4, thereby scraping and cleaning the sticky ink remaining on the surface of the water conveying roller 4 during the rotation process, and the activated carbon filter 17 plays a filtering role to scrape the ink scraper 16 After the ink is filtered, the cleaning water flows back to the water storage tank 14 through the reflux pipe 18. The activated carbon filter 17 is detachably connected for daily replacement and cleaning. The bottom end of the cleaning box 15 is connected with the reflux pipe 18. The reflux pipe 18 plays a connecting role and can return the cleaning water removed by the scraper plate 16 to the water storage tank 14 for recycling for subsequent use. The micro water pump 22 can conduct the cleaning liquid in the water storage tank 14 to the scrubbing sponge 20 through the infusion pipe 21, thereby soaking the scrubbing sponge 20, so that the wet scrubbing sponge 20 can clean the surface of the water delivery roller 4. The scrubbing sponge 20 is detachably connected to the arc plate 19 by Velcro. The detachable connection is convenient for replacing the scrubbing sponge 20. At the same time, when cleaning the scrubbing sponge 20, the power of the micro water pump 22 can be used to increase the water flow to flush the inside of the scrubbing sponge 20, thereby completing the cleaning work of the scrubbing sponge 20.

Claims

1. A water conveying roller structure capable of preventing ink from sticking, comprising a base (1), a fixing frame (2) and a water conveying roller (4), characterized in that: The top of the base (1) is connected to a fixing frame (2) via bolts; the center of the top of the fixing frame (2) is connected to an axis core (3) via a bearing; the water delivery roller (4) is sleeved on the middle outer wall of the axis core (3); a moving block (5) is arranged in the middle of the fixing frame (2); both inner walls of the fixing frame (2) are provided with limiting slide grooves (6); both ends of the moving block (5) are connected to limiting slide blocks (7); and two groups of limiting slide blocks (7) are embedded in the limiting slide grooves (6) on both sides.

2. A water conveying roller structure capable of preventing ink from sticking according to claim 1, characterized in that: A movable cavity (8) is provided inside the base (1), and the inner walls of the bottom of both sides of the movable cavity (8) are connected to threaded cylinders (9) via bearings. The top of the threaded cylinder (9) passes through the movable cavity (8) and is threadedly connected to a screw rod (10), and one end of the screw rod (10) away from the threaded cylinder (9) is connected to the moving block (5) via a fixing bolt.

3. A water conveying roller structure capable of preventing ink from sticking according to claim 2, characterized in that: The bottom outer wall of the threaded barrel (9) is key-connected to a worm gear (11); one side of the movable chamber (8) is connected to a worm (12) via a bearing; the worm (12) and the worm gear (11) are meshed; the outer wall of one side of the base (1) is connected to a servo motor (13); the output end of the servo motor (13) is connected to the worm gear (12).

4. The water conveying roller structure capable of preventing ink from sticking according to claim 1 is characterized in that: A water storage tank (14) is arranged at the top center of the base (1), a cleaning box (15) is arranged on one side of the top of the moving block (5), and an ink scraper (16) is arranged on one side of the top of the cleaning box (15), and the top end of the ink scraper (16) matches the water delivery roller (4).

5. A water conveying roller structure capable of preventing ink from sticking according to claim 4, characterized in that: An activated carbon filter (17) is arranged in the middle of the cleaning box (15), and a return pipe (18) is connected to the bottom end of the cleaning box (15), and one end of the return pipe (18) away from the cleaning box (15) is connected to the water storage tank (14).

6. A water conveying roller structure capable of preventing ink from sticking as claimed in claim 4, characterized in that: A curved plate (19) is arranged on the side of the moving block (5) away from the cleaning box (15); a scrubbing sponge (20) is arranged on the top inner wall of the curved plate (19); the scrubbing sponge (20) matches the water delivery roller (4); a liquid delivery tube (21) is connected to the bottom end of the curved plate (19); an end of the liquid delivery tube (21) away from the curved plate (19) is connected to the water storage tank (14); a micro water pump (22) is arranged in the middle of the liquid delivery tube (21); the scrubbing sponge (20) is detachably connected to the curved plate (19) via a Velcro stripe; and a mesh pattern (23) is arranged on the surface of the water delivery roller (4).

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