Polyurethane synthetic leather surface spraying device

Abstract

The utility model belongs to the technical field of synthetic leather production, and particularly relates to a polyurethane synthetic leather surface spraying device which comprises a spraying machine body. A first fixing plate is fixedly connected to the top of the spraying machine body. The bottom of the first fixing plate is fixedly connected with a first spring. A plurality of groups of first springs are arranged at the bottom of the spraying machine main body and are uniformly distributed at the bottom of the first fixing plate; the other ends of the first springs are jointly and fixedly connected with a scraping plate. A limiting groove is formed in the bottom of the first fixing plate. The scraping plate slides in the limiting groove; the top, close to the first fixing plate, of the spraying machine body is fixedly connected with a second fixing plate. The bottom of the second fixing plate is fixedly connected with a brush. According to the step, through the arrangement of the spraying machine body, the first fixing plate, the first spring and the scraping plate, the influence of dust or foreign matter on spraying is reduced, the spraying quality is improved, and the possibility that flaws are generated during spraying is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of synthetic leather production, in particular to a polyurethane synthetic leather surface spraying device. Background Art

[0002] Spraying is a coating method that uses a spray gun or an atomizer to disperse the paint into uniform and fine droplets using pressure or centrifugal force and apply it to the surface of synthetic leather.

[0003] When spraying synthetic leather, the primer is first applied to the surface of the synthetic leather by machine or manually, and then the surface is treated to make the surface of the synthetic leather smooth. Then the paint is sprayed on the surface of the synthetic leather, and finally heat treated. Before spraying, dust or foreign matter may adhere to the surface of the synthetic leather, resulting in a decrease in the quality of the spraying and defects when spraying the paint, affecting the quality of the product.

[0004] To this end, the utility model provides a polyurethane synthetic leather surface spraying device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a polyurethane synthetic leather surface spraying device, comprising a spray machine body; a No. 1 fixing plate is fixedly connected to the top of the spray machine body; a No. 1 fixing plate is fixedly connected to the bottom of the No. 1 fixing plate; a No. 1 spring is fixedly connected; a plurality of groups of the No. 1 springs are arranged at the bottom of the spray machine body and are evenly distributed at the bottom of the No. 1 fixing plate; a plurality of groups of the No. 1 springs are commonly fixedly connected to a scraper at the other ends; a limiting groove is arranged at the bottom of the No. 1 fixing plate; the scraper slides inside the limiting groove; in this step, through the arrangement of the spray machine body, the No. 1 fixing plate, the No. 1 spring and the scraper, the influence of dust or foreign matter on the spraying is reduced, the quality of the spraying is improved, and the possibility of defects in the spraying is reduced.

[0007] Preferably, the spray machine body is fixedly connected to a No. 2 fixing plate near the top of the No. 1 fixing plate; the No. 2 fixing plate is fixedly connected to a brush at the bottom; the brushes are arranged in multiple groups at the bottom of the No. 2 fixing plate and are evenly distributed at the bottom of the No. 2 fixing plate; in this step, the adhesion of dust or foreign matter on the surface of the synthetic leather is reduced and the cleanliness of the surface of the synthetic leather is improved through the arrangement of the No. 2 fixing plate and the brush.

[0008] Preferably, a nozzle is provided in the middle of the No. 1 fixed plate; the nozzles are provided in multiple groups in the middle of the No. 1 fixed plate and are evenly distributed in the middle of the No. 1 fixed plate; the nozzles are placed on a platform facing the spray machine body; in this step, dust or foreign matter on the surface of the synthetic leather transmitted on the spray machine body is blown off through the setting of the nozzles, thereby improving the cleanliness of the synthetic leather surface and reducing the generation of defects during the spraying process.

[0009] Preferably, a No. 3 fixing plate is fixedly connected to the top of the No. 2 fixing plate near the main body of the sprayer; a motor is fixedly connected to the side of the No. 3 fixing plate; a rotating shaft is fixedly connected to the transmission end of the motor; an eccentric wheel is fixedly connected to the other end of the rotating shaft; in this step, dust or foreign matter adhering to the surface of the synthetic leather can be knocked loose through the arrangement of the No. 3 fixing plate, the motor, the rotating shaft and the eccentric wheel, which facilitates subsequent cleaning and improves the cleanliness of the surface of the synthetic leather.

[0010] Preferably, the spray machine body is fixedly connected to a No. 4 fixing plate near the top of the No. 3 fixing plate; the No. 2 spring is fixedly connected to the bottom of the No. 4 fixing plate; multiple groups of the No. 2 springs are arranged at the bottom of the No. 4 fixing plate and are evenly distributed at the bottom of the No. 4 fixing plate; the other ends of the multiple groups of No. 2 springs are commonly fixedly connected to a conductive plate; in this step, the static electricity on the synthetic leather is transferred to the conductive plate through the arrangement of the No. 4 fixing plate, the No. 2 spring and the conductive plate, thereby reducing the degradation of the spraying quality due to excessive static electricity.

[0011] Preferably, a wire is fixedly connected to the top of the conductive plate; the other end of the wire is grounded; in this step, static electricity is introduced into the ground through the setting of the wire, reducing the possibility of excessive static electricity causing a decrease in spraying quality and uneven spraying.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The polyurethane synthetic leather surface spraying device described in the utility model reduces the influence of dust or foreign matter on spraying, improves the quality of spraying, and reduces the possibility of defects in spraying through the arrangement of the spraying machine body, No. 1 fixing plate, No. 1 spring, and scraper.

[0014] 2. The polyurethane synthetic leather surface spraying device described in the utility model reduces the adhesion of dust or foreign matter on the surface of the synthetic leather and improves the cleanliness of the surface of the synthetic leather through the arrangement of the second fixing plate and the brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the spraying machine in the utility model;

[0017] Figure 2It is a schematic diagram of the structure of the scraper and the limiting groove in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the No. 2 spring and the conductive plate in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the motor and the eccentric wheel in the utility model;

[0020] In the figure: 1. spray machine body; 11. No. 1 fixing plate; 12. No. 1 spring; 13. scraper; 14. limit groove; 2. No. 2 fixing plate; 21. brush; 3. nozzle; 4. No. 3 fixing plate; 41. motor; 42. rotating shaft; 43. eccentric wheel; 5. No. 4 fixing plate; 51. No. 2 spring; 52. conductive plate; 6. wire; 7. detection light. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 to Figure 2 As shown, a polyurethane synthetic leather surface spraying device described in an embodiment of the utility model includes a sprayer body 1; a No. 1 fixing plate 11 is fixedly connected to the top of the sprayer body 1; a No. 1 spring 12 is fixedly connected to the bottom of the No. 1 fixing plate 11; a plurality of groups of the No. 1 springs 12 are arranged at the bottom of the sprayer body 1 and are evenly distributed at the bottom of the No. 1 fixing plate 11; a scraper 13 is fixedly connected to the other end of the plurality of groups of the No. 1 springs 12; a limiting groove 14 is arranged at the bottom of the No. 1 fixing plate 11; the scraper 13 slides inside the limiting groove 14; during operation, the synthetic leather is placed between the No. 1 fixing plates 11, and the scraper 13 contacts the surface of the synthetic leather under the elastic force of the No. 1 spring 12. When the synthetic leather is transmitted, the scraper 13 scrapes off the dust or foreign matter adhered to the surface of the synthetic leather; in this step, through the arrangement of the sprayer body 1, the No. 1 fixing plate 11, the No. 1 spring 12, and the scraper 13, the influence of dust or foreign matter on the spraying is reduced, the quality of the spraying is improved, and the possibility of defects in the spraying is reduced.

[0023] like Figure 1 As shown, the spray machine body 1 is fixedly connected to a No. 2 fixing plate 2 near the top of the No. 1 fixing plate 11; the No. 2 fixing plate 2 is fixedly connected to a brush 21 at the bottom; the brushes 21 are arranged in multiple groups at the bottom of the No. 2 fixing plate 2 and are evenly distributed at the bottom of the No. 2 fixing plate 2; during operation, when the synthetic leather is transmitted, the brushes 21 come into contact with the synthetic leather to sweep away the dust and foreign matter adhered to the surface of the synthetic leather; in this step, the adhesion of dust or foreign matter on the surface of the synthetic leather is reduced and the cleanliness of the surface of the synthetic leather is improved through the arrangement of the No. 2 fixing plate 2 and the brushes 21.

[0024] like Figure 1 to Figure 2 As shown, a nozzle 3 is arranged in the middle of the No. 1 fixed plate 11; a plurality of groups of the nozzles 3 are arranged in the middle of the No. 1 fixed plate 11 and are evenly distributed in the middle of the No. 1 fixed plate 11; the nozzles 3 are placed on a platform facing the spray machine body 1; during operation, the nozzle 3 is connected to compressed air and blows air toward the synthetic leather on the spray machine body 1 to blow off the dust or foreign matter adhering to the surface of the synthetic leather; in this step, the dust or foreign matter on the surface of the synthetic leather transmitted on the spray machine body 1 is blown off through the setting of the nozzle 3, thereby improving the cleanliness of the synthetic leather surface and reducing the generation of defects during the spraying process.

[0025] like Figure 1 and Figure 4 As shown, the spray machine body 1 is fixedly connected to a No. 3 fixing plate 4 near the top of the No. 2 fixing plate 2; the No. 3 fixing plate 4 is fixedly connected to a motor 41 on its side; the motor 41 is fixedly connected to a rotating shaft 42 at its transmission end; the other end of the rotating shaft 42 is fixedly connected to an eccentric wheel 43; during operation, the motor 41 on the No. 3 fixing plate 4 is turned on, and the motor 41 drives the rotating shaft 42 and the eccentric wheel 43 to rotate, and the eccentric wheel 43 strikes the surface of the synthetic leather when rotating, and loosens the dust or foreign matter adhered to the surface of the synthetic leather; in this step, the dust or foreign matter adhered to the surface of the synthetic leather is loosened by the arrangement of the No. 3 fixing plate 4, the motor 41, the rotating shaft 42, and the eccentric wheel 43, so as to facilitate subsequent cleaning and improve the cleanliness of the surface of the synthetic leather.

[0026] like Figure 1 and Figure 3 As shown, the sprayer body 1 is fixedly connected with a No. 4 fixing plate 5 near the top of the No. 3 fixing plate 4; the No. 4 fixing plate 5 is fixedly connected with a No. 2 spring 51 at the bottom; multiple groups of the No. 2 springs 51 are arranged at the bottom of the No. 4 fixing plate 5 and are evenly distributed at the bottom of the No. 4 fixing plate 5; the other ends of the multiple groups of No. 2 springs 51 are commonly fixedly connected with a conductive plate 52; during operation, the conductive plate 52 contacts the roller on the sprayer body 1 through the elastic force of the No. 2 spring 51, and transfers the static electricity on the synthetic leather to the conductive plate 52; in this step, the static electricity on the synthetic leather is transferred to the conductive plate 52 through the arrangement of the No. 4 fixing plate 5, the No. 2 spring 51, and the conductive plate 52, thereby reducing the degradation of the spraying quality due to excessive static electricity.

[0027] like Figure 1 and Figure 3 As shown, a wire 6 is fixedly connected to the top of the conductive plate 52; the other end of the wire 6 is grounded; during operation, the wire 6 conducts the static electricity on the conductive plate 52 to the ground, reducing the accumulation of static electricity; in this step, the static electricity is conducted to the ground through the setting of the wire 6, reducing the possibility of excessive static electricity causing a decrease in spraying quality and uneven spraying.

[0028] like Figure 1As shown, a detection light 7 is provided on the top of the spraying machine body 1 away from the first fixing plate 11; during operation, the detection light 7 is turned on to illuminate the surface of the synthetic leather, so as to facilitate the inspection of the spraying quality.

[0029] During operation, the synthetic leather is placed between the No. 1 fixed plate 11, and the scraper 13 contacts the surface of the synthetic leather under the elastic force of the No. 1 spring 12. When the synthetic leather is transmitted, the scraper 13 scrapes off the dust or foreign matter adhering to the surface of the synthetic leather; when the synthetic leather is transmitted, the brush 21 contacts the synthetic leather to sweep off the dust and foreign matter adhering to the surface of the synthetic leather; the nozzle 3 is connected to compressed air, and air is blown toward the synthetic leather on the sprayer body 1 to blow off the dust or foreign matter adhering to the surface of the synthetic leather; the motor 41 on the No. 3 fixed plate 4 is turned on, and the motor 41 drives the rotating shaft 42 and the eccentric wheel 43 to rotate. When the eccentric wheel 43 rotates, it knocks on the surface of the synthetic leather to loosen the dust or foreign matter adhering to the surface of the synthetic leather; the conductive plate 52 contacts the roller on the sprayer body 1 through the elastic force of the No. 2 spring 51, and the static electricity on the synthetic leather is transferred to the conductive plate 52; the wire 6 guides the static electricity on the conductive plate 52 into the ground to reduce the accumulation of static electricity.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A polyurethane synthetic leather surface spraying device, characterized in that: The invention comprises a sprayer body (1); a No. 1 fixing plate (11) is fixedly connected to the top of the sprayer body (1); a No. 1 spring (12) is fixedly connected to the bottom of the No. 1 fixing plate (11); a plurality of groups of the No. 1 springs (12) are arranged at the bottom of the sprayer body (1) and are evenly distributed at the bottom of the No. 1 fixing plate (11); a scraper (13) is fixedly connected to the other ends of the plurality of groups of the No. 1 springs (12); a limiting groove (14) is arranged at the bottom of the No. 1 fixing plate (11); the scraper (13) slides inside the limiting groove (14); A coating machine body (1) is fixedly connected to a No. 2 fixing plate (2) near the top of the No. 1 fixing plate (11); a brush (21) is fixedly connected to the bottom of the No. 2 fixing plate (2); a plurality of groups of the brushes (21) are arranged at the bottom of the No. 2 fixing plate (2) and are evenly distributed at the bottom of the No. 2 fixing plate (2); a nozzle (3) is arranged in the middle of the No. 1 fixing plate (11); a plurality of groups of the nozzles (3) are arranged in the middle of the No. 1 fixing plate (11) and are evenly distributed at the middle of the No. 1 fixing plate (11); and a platform is placed facing the coating machine body (1).

2. A polyurethane synthetic leather surface spraying device according to claim 1, characterized in that: A third fixing plate (4) is fixedly connected to the top of the spray machine body (1) near the second fixing plate (2); a motor (41) is fixedly connected to the side of the third fixing plate (4); a rotating shaft (42) is fixedly connected to the transmission end of the motor (41); and an eccentric wheel (43) is fixedly connected to the other end of the rotating shaft (42).

3. A polyurethane synthetic leather surface spraying device according to claim 2, characterized in that: The spray machine body (1) is fixedly connected to a No. 4 fixing plate (5) near the top of the No. 3 fixing plate (4); a No. 2 spring (51) is fixedly connected to the bottom of the No. 4 fixing plate (5); multiple groups of the No. 2 springs (51) are arranged at the bottom of the No. 4 fixing plate (5) and are evenly distributed at the bottom of the No. 4 fixing plate (5); the other ends of the multiple groups of the No. 2 springs (51) are commonly fixedly connected to a conductive plate (52).

4. A polyurethane synthetic leather surface spraying device according to claim 3, characterized in that: A wire (6) is fixedly connected to the top of the conductive plate (52); the other end of the wire (6) is grounded.

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