Waterborne polyurethane coating mechanism

Abstract

The utility model relates to the technical field of waterborne polyurethane coatings, and discloses a waterborne polyurethane coating mechanism which comprises a coating processing chamber, a chamber door is mounted at the front end of the coating processing chamber, a first telescopic cylinder is mounted on the left side of the top end in the coating processing chamber, a conveying pipeline is mounted at one end of a material pump, and a second telescopic cylinder is mounted at the other end of the material pump. And a spraying pipe is installed at one end of the conveying pipeline, and a coating spraying head is installed at the bottom end of the spraying pipe. When the coating mechanism is used for conveying coated cloth, the tension wheel, the conveying wheel and the second telescopic air cylinder can be used for adjusting according to the tension force of cloth conveying, so that the cloth can be kept in a stable tension state, and the cloth can be better coated with paint; and the limiting rolling shafts are arranged on the two sides above the conveying wheels, so that the cloth can be limited and conveyed according to a certain track, and the cloth is not prone to skewing.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterborne polyurethane coating technical field, specifically is a kind of waterborne polyurethane coating mechanism. BACKGROUND

[0002] Waterborne polyurethane is a kind of waterborne paint, polyurethane system with water instead of organic solvent as dispersion system, with little odor, more environmental protection and other characteristics, commonly used in building, fabric production and other fields, when used in the above-mentioned field, corresponding coating mechanism will be used, waterborne polyurethane is sprayed to the surface of the corresponding field article, so that it forms corresponding protection on the surface of article.

[0003] Traditional waterborne polyurethane coating mechanism, when using, if the loosening of the conveyed cloth is generated when coating, the spraying effect of coating is affected. Therefore, we propose a kind of waterborne polyurethane coating mechanism to improve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of waterborne polyurethane coating mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of waterborne polyurethane coating mechanism, including coating processing room, the front end of the coating processing room is equipped with room door, the left side of the inside top of the coating processing room is equipped with first telescopic cylinder, and first telescopic cylinder is movably provided with rotary drum in the inside, the outer side wall of rotary drum is equipped with coating brush, the left side of the inside bottom of the coating processing room is movably provided with guide wheel, the right side of the coating processing room is equipped with second telescopic cylinder, and the bottom of second telescopic cylinder is movably provided with tension pulley, the both sides of tension pulley are provided with conveying wheel, and conveying wheel is movably connected between conveying wheel and coating processing room, the both sides of conveying wheel are equipped with support, the side of support is equipped with shaft, and the outer side wall of shaft is movably provided with limit roller, the right side of the inside top of the coating processing room is equipped with polyurethane coating box, the top of polyurethane coating box is equipped with material pump, one end of material pump is equipped with conveying pipeline, and one end of conveying pipeline is equipped with spraying pipe, the bottom of spraying pipe is equipped with coating spray head.

[0006] As a further technical scheme of the utility model, the coating spray head is provided with a plurality of, and the plurality of coating spray heads are distributed at equal intervals at the bottom of the spraying pipe.

[0007] As a further technical scheme of the utility model, the limit roller is provided with a plurality of, and the plurality of limit rollers are symmetrically distributed about the central axis of the conveying wheel.

[0008] As a further technical scheme of the utility model, the bottom end of the paint spraying head is provided with a mounting groove, and the mounting groove is arranged at the right side of the bottom end inside the coating processing chamber, both sides of the bottom end inside the mounting groove are provided with rolling grooves, and the rolling grooves are movably provided with rollers inside, and the top end of the roller is provided with a collecting box.

[0009] As a further technical scheme of the utility model, the cross section of the collecting box is smaller than that of the mounting groove, and a clamping structure is formed between the collecting box and the mounting groove.

[0010] As a further technical scheme of the utility model, the rolling groove and the roller are matched, and a rolling structure is formed between the rolling groove and the roller.

[0011] As a further technical scheme of the utility model, the front and rear ends of the rotating drum are provided with mounting seats, the mounting seats are movably provided with mounting blocks inside, the top end of the mounting block is fixed to the bottom end of the first telescopic cylinder, and one side of the mounting seat is movably provided with a threaded rod, and one side of the threaded rod is provided with an assembling block.

[0012] As a further technical scheme of the utility model, the cross section of the mounting block is smaller than that of the mounting seat, and a clamping structure is formed between the mounting block and the mounting seat.

[0013] Compared with the prior art, the water-based polyurethane coating mechanism has the advantages that the tension of the cloth can be adjusted, the waste material can be collected conveniently, and the rotating drum can be disassembled and maintained conveniently.

[0014] (1) When the cloth being coated is conveyed, the tension of the cloth can be adjusted according to the tension of the cloth conveying through the tensioning wheel, the conveying wheel and the second telescopic cylinder, so that the cloth can be coated better in a stable tensioning state, and the cloth can be limited to be conveyed along a certain track through the limiting rollers arranged on both sides above the conveying wheel, so that the cloth is not easy to be skewed.

[0015] (2) When the cloth is sprayed with polyurethane paint, the polyurethane paint is easy to drop, and the dropped polyurethane material can be collected through the collecting box arranged at the bottom end inside the coating processing chamber, so that the waste is avoided, the use effect of the mechanism is better, and the mechanism is more environmentally friendly.

[0016] (3) the coating mechanism in use, the rotating drum will follow the movement of the cloth occurs after the rotating drum surface coating brush can be on the cloth surface sprayed polyurethane coating brush, so that the polyurethane coating on the cloth surface more evenly coated, and by setting the threaded rod, assembly block, mounting seat and mounting seat is also convenient for subsequent coating brush disassembly and maintenance, use more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view sectional structure schematic view of the utility model;

[0018] Figure 2 It is the side view sectional structure schematic view of the utility model;

[0019] Figure 3 It is the side view structure schematic view of the utility model's limiting roller;

[0020] Figure 4 It is the Figure 2 It is the local amplification structure schematic view of A place in the utility model.

[0021] In the drawing: 1, coating processing chamber;2, guide wheel;3, coating brush;4, rotating drum;5, first telescopic cylinder;6, polyurethane coating tank;7, conveying pipeline;8, material pump;9, spraying pipe;10, coating spray head;11, collection box;12, mounting groove;13, rolling groove;14, roller;15, tension pulley;16, conveying wheel;17, second telescopic cylinder;18, chamber door;19, support;20, limiting roller;21, rotating shaft;22, threaded rod;23, assembly block;24, mounting seat;25, mounting block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4This utility model provides an embodiment of a waterborne polyurethane coating mechanism, including a coating processing chamber 1. A door 18 is installed at the front end of the coating processing chamber 1. A first telescopic cylinder 5 is installed on the left side of the top of the coating processing chamber 1, and a rotating cylinder 4 is movably arranged inside the first telescopic cylinder 5. A coating brush 3 is installed on the outer wall of the rotating cylinder 4. A guide wheel 2 is movably arranged on the left side of the bottom of the coating processing chamber 1. A second telescopic cylinder 17 is installed on the right side of the coating processing chamber 1, and a tensioning wheel 15 is movably arranged at the bottom of the second telescopic cylinder 17. Conveyor wheels 16 are arranged on both sides of the tensioning wheel 15, and the conveyor wheels 16 are movably connected to the coating processing chamber 1. Supports 19 are installed on both sides of the conveyor wheels 16. A rotating shaft 21 is installed on one side of the 9, and a limiting roller 20 is movably installed on the outer side wall of the rotating shaft 21. A polyurethane coating tank 6 is installed on the right side of the top of the coating processing chamber 1. A material pump 8 is installed on the top of the polyurethane coating tank 6. A conveying pipe 7 is installed at one end of the material pump 8, and a spraying pipe 9 is installed at one end of the conveying pipe 7. A paint nozzle 10 is installed at the bottom of the spraying pipe 9. Several paint nozzles 10 are arranged at equal intervals at the bottom of the spraying pipe 9, so that the polyurethane material is evenly sprayed on the surface of the fabric. Several limiting rollers 20 are arranged symmetrically about the central axis of the conveying wheel 16, which has a better guiding effect on the conveying of the fabric.

[0024] Specifically, such as Figure 1 and Figure 3 As shown, the second telescopic cylinder 17 is activated to push the tensioning wheel 15 downward. With the assistance of the conveying wheels 16 on both sides, the fabric is tensioned until it reaches a suitable tension force before the polyurethane coating is sprayed. When the conveying wheel 16 provides auxiliary tension, the limiting rollers 20 on both sides above the conveying wheel 16 will rotate with the movement of the fabric and limit the fabric, so that the fabric is conveyed stably.

[0025] The bottom end of the paint spray nozzle 10 is provided with an installation groove 12, which is located on the right side of the bottom end inside the coating processing chamber 1. Both sides of the bottom end of the installation groove 12 are provided with rolling grooves 13, and rollers 14 are movably installed inside the rolling grooves 13. A collection box 11 is installed on the top of the rollers 14. The cross-section of the collection box 11 is smaller than the cross-section of the installation groove 12. The collection box 11 and the installation groove 12 form a locking structure, which facilitates the installation of the collection box 11. The rolling grooves 13 and the rollers 14 are matched and form a rolling structure, which facilitates the removal of the collection box 11 for maintenance.

[0026] Specifically, such as Figure 1 and Figure 2As shown, after the coating head 10 sprays polyurethane coating to the surface of the cloth, the polyurethane coating sprayed to the cloth falls into the inside of the collection box 11 and is collected, and after the coating processing chamber 1 is opened, the collection box 11 is pulled out from the inside of the coating processing chamber 1 through the rolling of the rollers 14 in the rolling groove 13, and then the collected polyurethane material can be taken out.

[0027] The mounting seat 24 is movably arranged on the front end and the rear end of the rotating drum 4, the mounting block 25 is movably arranged in the mounting seat 24, the bottom end of the first telescopic cylinder 5 is fixed to the top end of the mounting block 25, the screw rod 22 is movably arranged on one side of the mounting seat 24, the assembling block 23 is arranged on one side of the screw rod 22, the cross section of the mounting block 25 is smaller than the cross section of the mounting seat 24, and the mounting block 25 and the mounting seat 24 are clamped together, so that the rotating drum 4 can be disassembled and maintained.

[0028] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , after the chamber door 18 is opened, the screw rod 22 is rotated to move the assembling block 23 away from one side of the mounting block 25, the rotating drum 4 is pulled downward to separate the mounting seat 24 on the two sides from the mounting block 25, and then the rotating drum 4 can be disassembled and maintained, after the maintenance is completed, the mounting seat 24 on the two ends of the rotating drum 4 is aligned with the mounting block 25 and clamped together, and then the screw rod 22 is reversely rotated to push the assembling block 23 to be clamped to one side of the mounting block 25 and locked, so that the rotating drum 4 can be assembled and used.

[0029] Working principle: when the utility model is used, the cloth is conveyed from the right side of the coating processing chamber 1 to the inside of the coating processing chamber 1, the conveying wheel 16 guides the cloth, the second telescopic cylinder 17 pushes the tensioning wheel 15 to move downward, the cloth is tensioned under the assistance of the two conveying wheels 16, the cloth continues to be conveyed to one side after reaching the appropriate tensioning force, the material pump 8 is opened to pump out the polyurethane material in the polyurethane coating box 6 through the conveying pipeline 7, the polyurethane material is uniformly sprayed to the surface of the cloth through the coating head 10, and then the cloth is conveyed to one side, the cloth is conveyed by the coating brush 3 on the outer side wall of the rotating drum 4, the polyurethane material is uniformly attached to the surface of the cloth, and then the cloth is conveyed out from the left side of the coating processing chamber 1, and then the collection box 11 is pulled out from the inside of the coating processing chamber 1 through the rolling of the rollers 14 in the rolling groove 13, and then the collected polyurethane material can be taken out.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An aqueous polyurethane coating installation comprising a coating process chamber (1), characterized in that: The front end of the coating processing chamber (1) is provided with a chamber door (18), the left side of the top end of the coating processing chamber (1) is provided with a first telescopic cylinder (5), and the inside of the first telescopic cylinder (5) is movably provided with a rotating drum (4), the outer side wall of the rotating drum (4) is provided with a coating brush (3), the left side of the bottom end of the coating processing chamber (1) is movably provided with a guide wheel (2), the right side of the coating processing chamber (1) is provided with a second telescopic cylinder (17), and the bottom end of the second telescopic cylinder (17) is movably provided with a tensioning wheel (15), both sides of the tensioning wheel (15) are provided with conveying wheels (16), and the conveying wheels (16) are movably connected with the coating processing chamber (1), both sides of the conveying wheels (16) are provided with supports (19), one side of the supports (19) is provided with a rotating shaft (21), and the outer side wall of the rotating shaft (21) is movably provided with a limiting roller (20), the right side of the top end of the coating processing chamber (1) is provided with a polyurethane coating box (6), the top end of the polyurethane coating box (6) is provided with a material pump (8), one end of the material pump (8) is provided with a conveying pipeline (7), one end of the conveying pipeline (7) is provided with a spraying pipe (9), and the bottom end of the spraying pipe (9) is provided with a coating nozzle (10).

2. A waterborne polyurethane coating mechanism according to claim 1, characterized in that: The coating nozzle (10) is provided with a plurality of coating nozzles (10), and the plurality of coating nozzles (10) are distributed at equal intervals at the bottom end of the spraying pipe (9).

3. A waterborne polyurethane coating mechanism according to claim 1, characterized in that: The limiting roller (20) is provided with a plurality of limiting rollers (20), and the plurality of limiting rollers (20) are symmetrically distributed in pairs about the central axis of the conveying wheel (16).

4. The waterborne polyurethane coating mechanism of claim 1, wherein: The bottom end of the coating nozzle (10) is provided with a mounting groove (12), and the mounting groove (12) is arranged on the right side of the bottom end of the coating processing chamber (1), both sides of the bottom end of the mounting groove (12) are provided with rolling grooves (13), and the inside of the rolling grooves (13) is movably provided with a roller (14), and the top end of the roller (14) is provided with a collecting box (11).

5. A waterborne polyurethane coating mechanism according to claim 4, characterized in that: The cross section of the collecting box (11) is smaller than the cross section of the mounting groove (12), and the collecting box (11) and the mounting groove (12) form a clamping structure.

6. A waterborne polyurethane coating mechanism according to claim 4, characterized in that: The rolling groove (13) and the roller (14) are matched, and the rolling groove (13) and the roller (14) form a rolling structure.

7. The waterborne polyurethane coating mechanism of claim 1, wherein: Both ends of the rotating drum (4) are provided with mounting seats (24), the inside of the mounting seat (24) is movably provided with a mounting block (25), and the top end of the mounting block (25) is fixed with the bottom end of the first telescopic cylinder (5), one side of the mounting seat (24) is movably provided with a threaded rod (22), and one side of the threaded rod (22) is provided with an assembly block (23).

8. A waterborne polyurethane coating mechanism according to claim 7, characterized in that: The cross section of the mounting block (25) is smaller than the cross section of the mounting seat (24), and the mounting block (25) and the mounting seat (24) form a clamping structure.

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