Coating device of coating machine

Abstract

The utility model relates to the technical field of printing and packaging, and discloses a coating device of a coating machine, which comprises a coating groove, a speed reducing motor is fixedly mounted on one side of the coating groove, a coating roller is rotatably connected in the coating groove, an output shaft of the speed reducing motor is connected with one end of the coating roller, and the other end of the coating roller is connected with the speed reducing motor. A first belt pulley is fixedly arranged at the other end of the coating roller, the first belt pulley is in transmission connection with a stirring assembly through a triangular belt, a support is fixedly arranged at the top end of the coating groove, and the support is in sliding connection with a roller seat; the coating device has the beneficial effects that the coating roller is driven by the speed reducing motor, the coating roller can coat a material through a coating in the coating groove, the coating roller can drive the stirring assembly to rotate through the belt pulley I and the triangular belt, the stirring assembly can stir the coating in the coating groove, and a motor does not need to be additionally arranged to drive the stirring assembly; the cost investment is reduced, and the energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of printing and packaging, in particular to a coating device of a coating machine. Background Art

[0002] Coating machines are mainly used for surface coating production of films, papers, etc. This machine coats the rolled substrate with a layer of glue, paint or ink with specific functions, and rewinds it after drying. It uses a special multi-functional coating head and can achieve various forms of surface coating. The rewinding and unwinding of the coating machine are equipped with a full-speed automatic film splicing mechanism.

[0003] Its application number is "CN202321688067.X" and discloses a "coating mechanism of a coating machine", which "comprises a material trough, a coating roller and a pressure roller, the lower part of the coating roller is located in the material trough and the upper part is higher than the material trough, the pressure roller is located on the upper part of the coating roller, the material trough is provided with a stirring mechanism and a first baffle, the first baffle is provided with a plurality of first through holes, the stirring mechanism is located below the first baffle, and the coating roller is located above the first baffle". In the utility model, the motor drives the stirring paddle to rotate to stir the paint inside the material trough to prevent the paint from settling, and by providing the first baffle, it can play a buffering role on the paint when stirring the paint, greatly reducing the shaking amplitude of the paint above the first baffle, thereby improving the coating quality.

[0004] However, the above method still has the following defects: the stirring paddle needs to be driven by an additional motor in order to stir the paint and avoid sedimentation. It is difficult to transmit the power through the movement of the coating roller, which increases the cost investment. In addition, the distance between the pressure roller and the coating roller cannot be adjusted, making it difficult to apply pressure to materials of different thicknesses. When the thickness of the material changes, the pressure applied will change, reducing the coating quality of the material. Utility Model Content

[0005] The utility model aims to provide a coating device for a coating machine, so as to solve the problem that the stirring paddle proposed in the above background technology needs to be driven by an additional motor, which is difficult to drive it through the movement of the coating roller, thereby increasing the cost investment.

[0006] The utility model provides the following technical solution: a coating device of a coating machine, comprising a coating tank, a reduction motor is fixedly installed on one side of the coating tank, a coating roller is rotatably connected inside the coating tank, the output shaft of the reduction motor is connected to one end of the coating roller, a pulley is fixedly provided on the other end of the coating roller, the pulley is connected to a stirring component through a V-belt transmission, a bracket is fixedly provided on the top of the coating tank, a roller seat is slidably connected to the bracket, a pressure roller is rotatably connected to the roller seat, a limiting component is provided in the middle of the top of the roller seat, a pressure plate is provided on the top of the bracket, and both sides of the top of the roller seat are fixedly connected to both sides of the bottom of the pressure plate through guide columns.

[0007] As a preferred technical solution of the utility model, the stirring assembly includes a rotating shaft and a second pulley. The rotating shaft is rotatably connected to the inside of the paint tank. A plurality of stirring rods are fixedly provided on the surface of the rotating shaft. One end of the rotating shaft is fixedly connected to the second pulley, and the second pulley is transmission-connected to the first pulley via a V-belt.

[0008] As a preferred technical solution of the utility model, a protective cover is provided on the other side of the paint tank, a mounting plate is fixedly provided on one side of the protective cover, the mounting plate is fixedly connected to the paint tank by bolts, and the pulley one, the V-belt and the pulley two are all located inside the protective cover.

[0009] As a preferred technical solution of the utility model, inclined baffles are fixedly provided on the inner walls of the tops of both sides of the paint trough, support plates are welded on both sides of the bottom end of the paint trough, a positioning plate is welded on the bottom end of the support plate, and a positioning hole is opened on the surface of the positioning plate.

[0010] As a preferred technical solution of the utility model, wear-resistant sleeves are embedded on both sides of the top of the bracket, and the guide column is slidably connected to the wear-resistant sleeves.

[0011] As a preferred technical solution of the utility model, sliding blocks are fixedly provided on the tops of both sides of the roller seat, sliding grooves are provided on the inner walls of both sides of the bracket, and the sliding blocks are slidably connected to the sliding grooves.

[0012] As a preferred technical solution of the utility model, the limiting assembly includes a vertical shaft, an elliptical block, a rubber pad and a handle. The bottom end of the vertical shaft is rotatably connected to the top end of the roller seat through a bearing, the bottom of the vertical shaft is fixedly provided with an elliptical block, the bottom end of the elliptical block is fixedly provided with a rubber pad, and the top end of the vertical shaft is fixedly provided with a handle.

[0013] As a preferred technical solution of the utility model, an elliptical groove is opened in the middle of the top of the bracket, the elliptical block and the elliptical groove are located in the same vertical plane, a through hole is opened in the middle of the top of the pressure plate, and the vertical shaft is connected with the through hole.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The coating device of the coating machine drives the coating roller through a reduction motor. The coating roller can coat the material through the paint in the paint tank. The coating roller can drive the stirring component to rotate through a pulley and a V-belt. The stirring component can stir the paint in the paint tank. There is no need to add a motor to drive the stirring component, which reduces cost investment and energy consumption.

[0016] 2. The coating device of the coating machine avoids the rigid connection between the pressure roller and the bracket by slidingly connecting the roller seat and the bracket. By vertically lifting the roller seat, the limiting component can limit the height of the roller seat, which is convenient for laying materials of different thicknesses between the coating roller and the pressure roller. The roller seat is released by the limiting component, and the pressure roller can exert pressure on the material by its own weight, which is convenient for leveling materials of different thicknesses. At the same time, the stability of the pressure on materials of different thicknesses can be ensured, and the coating quality of the materials can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the stirring assembly of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the limit assembly of the utility model.

[0022] In the figure: 1. paint tank; 2. reduction motor; 3. coating roller; 4. pulley one; 5. V-belt; 6. stirring assembly; 601. rotating shaft; 602. stirring rod; 603. pulley two; 7. protective cover; 8. mounting plate; 9. support plate; 10. bracket; 11. roller seat; 12. pressure roller; 13. slider; 14. slide groove; 15. guide column; 16. pressure plate; 17. elliptical groove; 18. through hole; 19. limit assembly; 1901. vertical shaft; 1902. elliptical block; 1903. rubber pad; 1904. handle; 20. tilt baffle; 21. positioning plate; 22. wear-resistant sleeve. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] See also Figures 1 to 5In the embodiment of the utility model, a coating device of a coating machine includes a coating tank 1, a reduction motor 2 is fixedly installed on one side of the coating tank 1, a coating roller 3 is rotatably connected inside the coating tank 1, the output shaft of the reduction motor 2 is connected to one end of the coating roller 3, and the other end of the coating roller 3 is fixedly provided with a pulley 4, and the pulley 4 is connected to a stirring component 6 through a V-belt 5. The coating roller 3 is driven by the reduction motor 2, and the coating roller 3 can drive the stirring component 6 to rotate through the pulley 4 and the V-belt 5, and the stirring component 6 can stir the coating inside the coating tank 1, and a bracket 10 is fixedly provided at the top of the coating tank 1, and the bracket 10 is slidably connected with a roller seat 11, and the roller seat 11 is rotatably connected with a pressure roller 12, and the roller seat 11 is slidably connected with the bracket 10, so that the rigid connection between the pressure roller 12 and the bracket 10 is avoided, and it can slide, and a limiting component 19 is provided in the middle of the top of the roller seat 11, and a pressing plate 16 is provided at the top of the bracket 10, and both sides of the top of the roller seat 11 are respectively fixedly connected to the two sides of the bottom of the pressing plate 16 through guide pillars 15;

[0025] In this embodiment, preferably, the stirring assembly 6 includes a rotating shaft 601 and a second pulley 603. The rotating shaft 601 is rotatably connected to the inside of the coating tank 1. A plurality of stirring rods 602 are fixedly provided on the surface of the rotating shaft 601. One end of the rotating shaft 601 is fixedly connected to a second pulley 603. The second pulley 603 is transmission-connected to the first pulley 4 through a V-belt 5. When the first pulley 4 drives the second pulley 603 to rotate through the V-belt 5, the second pulley 603 can drive the rotating shaft 601 to rotate, and the rotating shaft 601 can stir the coating through the stirring rods 602 on its surface.

[0026] In this embodiment, preferably, a protective cover 7 is provided on the other side of the paint tank 1, and a mounting plate 8 is fixedly provided on one side of the protective cover 7. The protective cover 7 can be installed and removed through the mounting plate 8. The mounting plate 8 is fixedly connected to the paint tank 1 by bolts. The pulley 1 4, the V-belt 5 and the pulley 2 603 are all located inside the protective cover 7. The protective cover 7 can provide protection for the pulley 1 4, the V-belt 5 and the pulley 2 603;

[0027] In this embodiment, preferably, the inner walls of the tops of both sides of the paint tank 1 are fixedly provided with inclined baffles 20, which can prevent the paint from splashing out of the paint tank 1 during the stirring process. Support plates 9 are welded on both sides of the bottom of the paint tank 1, and a positioning plate 21 is welded on the bottom of the support plate 9. Positioning holes are opened on the surface of the positioning plate 21, and the paint tank 1 can be fixedly installed through the positioning plate 21 and the positioning holes;

[0028] In this embodiment, preferably, both sides of the top of the bracket 10 are embedded with wear-resistant sleeves 22, and the guide column 15 is slidably connected to the wear-resistant sleeves 22. The wear-resistant sleeves 22 can guide the guide column 15 to prevent the guide column 15 from tilting;

[0029] In this embodiment, preferably, sliders 13 are fixedly provided on the tops of both sides of the roller seat 11, and slide grooves 14 are provided on the inner walls of both sides of the bracket 10, and the sliders 13 are slidably connected with the slide grooves 14, and the roller seat 11 can be guided by the sliders 13 and the slide grooves 14 to prevent the roller seat 11 from tilting;

[0030] In this embodiment, preferably, the limiting assembly 19 includes a vertical shaft 1901, an elliptical block 1902, a rubber pad 1903 and a handle 1904. The bottom end of the vertical shaft 1901 is rotatably connected to the top end of the roller seat 11 through a bearing. The bottom of the vertical shaft 1901 is fixedly provided with an elliptical block 1902, the bottom end of the elliptical block 1902 is fixedly provided with a rubber pad 1903, and the top end of the vertical shaft 1901 is fixedly provided with a handle 1904. The vertical shaft 1901 can be lifted by the handle 1904, which can drive the pressure roller 12 to rise.

[0031] In the present embodiment, preferably, an elliptical groove 17 is provided in the middle of the top of the bracket 10, and the elliptical block 1902 and the elliptical groove 17 are located in the same vertical plane. The elliptical groove 17 can ensure the vertical movement of the elliptical block 1902. By passing the elliptical block 1902 through the elliptical groove 17 and rotating the vertical shaft 1901, the elliptical block 1902 and the elliptical groove 17 can be misaligned, so that the pressure roller 12 can be supported and the height of the pressure roller 12 can be maintained. A through hole 18 is provided in the middle of the top of the pressure plate 16, and the vertical shaft 1901 is connected with the through hole 18 through an insertion, and the through hole 18 can ensure the vertical movement of the vertical shaft 1901.

[0032] When in use, the staff first lifts the vertical shaft 1901 through the handle 1904 of the limiting assembly 19 to drive the pressure roller 12 to rise, then passes the elliptical block 1902 through the elliptical groove 17, and then rotates the vertical shaft 1901 to displace the elliptical block 1902 from the elliptical groove 17, and then releases the handle 1904. The rubber pad 1903 can increase the fit and friction between the elliptical block 1902 and the roller seat 11. The elliptical block 1902 can support the pressure roller 12 through the vertical shaft 1901 and the roller seat 11, and the height of the pressure roller 12 can be maintained. Finally, the material is laid between the coating roller 3 and the pressure roller 12, and the elliptical block 1902 is rotated by the handle 1904 and the vertical shaft 1901 to pass through the elliptical groove 17 and descend. The pressure roller 12 can apply pressure to the material by its own weight, so that materials of different thicknesses can be leveled. The weight of the pressure roller 12 remains unchanged, which can ensure the stability of the pressure on materials of different thicknesses.

[0033] When the material needs to be coated with paint, the staff drives the coating roller 3 through the reduction motor 2. During the rotation of the coating roller 3, the material can be coated with the paint inside the coating tank 1. At the same time, the coating roller 3 can drive the pulley 1 4 to rotate. The pulley 1 4 can drive the pulley 2 603 of the stirring component 6 to rotate through the V-belt 5. The pulley 2 603 drives the rotating shaft 601 to rotate. The rotating shaft 601 stirs the paint inside the coating tank 1 through the stirring rod 602 on its surface to prevent the paint from settling.

[0034] In this process, the inclined baffle 20 can prevent the paint from splashing out of the paint tank 1 during the stirring process, and the protective cover 7 can provide protection for the pulley 1 4, the V-belt 5 and the pulley 2 603 inside it.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coating device of a coating machine, comprising a coating tank (1), characterized in that: A reduction motor (2) is fixedly installed on one side of the coating tank (1), and a coating roller (3) is rotatably connected inside the coating tank (1). The output shaft of the reduction motor (2) is connected to one end of the coating roller (3), and a pulley (4) is fixedly provided on the other end of the coating roller (3). The pulley (4) is connected to a stirring component (6) through a V-belt (5). A bracket (10) is fixedly provided on the top of the coating tank (1), and the bracket (10) is slidably connected to a roller seat (11). The roller seat (11) is rotatably connected to a pressure roller (12). A limiting component (19) is provided in the middle of the top of the roller seat (11), and a pressure plate (16) is provided on the top of the bracket (10). Both sides of the top of the roller seat (11) are fixedly connected to both sides of the bottom of the pressure plate (16) through guide pillars (15).

2. The coating device of the coating machine according to claim 1, characterized in that: The stirring assembly (6) comprises a rotating shaft (601) and a second pulley (603); the rotating shaft (601) is rotatably connected to the inside of the coating tank (1); a plurality of stirring rods (602) are fixedly provided on the surface of the rotating shaft (601); one end of the rotating shaft (601) is fixedly connected to a second pulley (603); and the second pulley (603) is transmission-connected to a first pulley (4) via a V-belt (5).

3. The coating device of the coating machine according to claim 2, characterized in that: A protective cover (7) is provided on the other side of the paint tank (1), a mounting plate (8) is fixedly provided on one side of the protective cover (7), the mounting plate (8) is fixedly connected to the paint tank (1) by bolts, and the pulley 1 (4), the V-belt (5) and the pulley 2 (603) are all located inside the protective cover (7).

4. The coating device of the coating machine according to claim 1, characterized in that: Inclined baffles (20) are fixedly provided on the inner walls of the tops of both sides of the paint tank (1), support plates (9) are welded to both sides of the bottom end of the paint tank (1), and a positioning plate (21) is welded to the bottom end of the support plate (9), and a positioning hole is provided on the surface of the positioning plate (21).

5. The coating device of the coating machine according to claim 1, characterized in that: Wear-resistant sleeves (22) are embedded on both sides of the top of the bracket (10), and the guide column (15) is slidably connected to the wear-resistant sleeves (22).

6. The coating device of the coating machine according to claim 1, characterized in that: Slide blocks (13) are fixedly provided at the tops of both sides of the roller seat (11), and slide grooves (14) are provided on the inner walls of both sides of the bracket (10), and the slide blocks (13) are slidably connected to the slide grooves (14).

7. The coating device of the coating machine according to claim 1, characterized in that: The limiting assembly (19) comprises a vertical shaft (1901), an elliptical block (1902), a rubber pad (1903) and a handle (1904); the bottom end of the vertical shaft (1901) is rotatably connected to the top end of the roller seat (11) via a bearing; the bottom of the vertical shaft (1901) is fixedly provided with an elliptical block (1902); the bottom end of the elliptical block (1902) is fixedly provided with a rubber pad (1903); and the top end of the vertical shaft (1901) is fixedly provided with a handle (1904).

8. The coating device of the coating machine according to claim 7, characterized in that: An elliptical groove (17) is provided in the middle of the top of the bracket (10), the elliptical block (1902) and the elliptical groove (17) are located on the same vertical plane, a through hole (18) is provided in the middle of the top of the pressure plate (16), and the vertical shaft (1901) is connected to the through hole (18) through insertion.

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