Powder coating drying device for coating production

Abstract

The utility model discloses a powder coating drying device for coating production, which relates to the technical field of powder coating drying and comprises a box body, a feeding barrel is fixedly arranged at the top of the box body and connected with a drying box in the box body, electric heating rings are arranged on the inner wall and the bottom of the box body and surround the drying box, and the drying box is connected with the feeding barrel. A plurality of layers of sieve plates are arranged in the drying box, sliding grooves are oppositely formed in the portions, on the two sides of the sieve plates, of the wall of the drying box, sliding blocks are arranged in the sliding grooves in a sliding mode, a pressing roller is rotatably installed between the sliding blocks and abuts against the sieve plates, and a discharging groove is formed in the bottom of the drying box and connected with the outer wall of the box body through a discharging pipe. According to the design scheme, the time that powder coating falls to the bottom of the drying box is prolonged through the multiple layers of sieve plates, the drying effect is enhanced, large-particle powder coating is filtered out through the sieve plates and ground, the filtering efficiency is improved, coating waste is avoided, the bottom of the scraper abuts against the bottom of the drying box, the powder coating is turned over, and drying is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of powder coating drying, in particular to a powder coating drying device for coating production. Background Art

[0002] Powder coating is a solid powdered synthetic resin coating composed of solid resin, pigment, filler and additives. Unlike ordinary solvent-based coatings and water-based coatings, it exists in the state of fine powder and has the characteristics of being solvent-free, pollution-free, recyclable, environmentally friendly, saving energy and resources, reducing labor intensity and having high mechanical strength of the coating film.

[0003] In the powder coating production process, the final stage of coating processing requires drying treatment. Authorization announcement number CN218443228 U discloses a powder coating drying device, including a box body, the upper side wall of the box body is fixedly provided with a coating containing box, the lower side wall of the coating containing box is fixedly provided with a discharge corrugated hose, the lower end of the discharge corrugated hose is fixedly provided with a shaking plate, the lower side wall of the shaking plate is fixedly provided with a sieve plate, and the lower side wall of the shaking plate is located at the lower end of the sieve plate. A discharge pipe is fixedly provided, so that when drying the coating, the coating inside the coating containing box is discharged into the inside of the shaking plate, and the shaking plate is driven to shake back and forth through a transmission mechanism, so that the coating inside the shaking plate slowly falls through the sieve plate and is quickly dried when passing through the inside of the drying cylinder.

[0004] The above-mentioned powder coating drying device still has some problems. After passing through the sieve plate, the powder coating directly falls into the coating collecting tank through the drying cylinder. The drying time of the powder coating is short and the drying is not thorough. In addition, the large particles of powder coating screened out by the sieve plate will affect the passing efficiency of the powder particles on the sieve plate, causing blockage. Manual cleaning is required by the staff, resulting in waste of coating and reduced production efficiency. Therefore, a powder coating drying device for coating production is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a powder coating drying device for coating production.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a powder coating drying device for coating production, comprising a box body, a feeding cylinder is fixedly arranged on the top of the box body, the feeding cylinder is connected to a drying box in the box body, the inner wall and the bottom of the box body are provided with electric heating coils, the electric heating coils are arranged around the drying box, a plurality of layers of sieve plates are arranged in the drying box, slide grooves are relatively arranged on the walls of the drying box on both sides of the sieve plates, sliders are slidably arranged in the slide grooves, a pressure roller is rotatably installed between the sliders, the pressure roller is in contact with the sieve plate, a discharge trough is arranged at the bottom of the drying box, and the discharge trough is connected to the outer wall of the box body through a drop pipe.

[0007] Furthermore, the sieve holes of the sieve plate decrease successively from top to bottom.

[0008] Furthermore, slide grooves are arranged on the two side walls of the bottom of the drying box, and the sliding blocks slidably arranged in the two slide grooves are fixedly connected to the two ends of the scraper, and the bottom of the scraper contacts the bottom of the drying box.

[0009] Furthermore, multiple groups of the slide grooves are arranged in parallel, and multiple sliding blocks are correspondingly arranged on the two side walls of the drying box. The multiple sliding blocks are respectively fixedly connected to the connecting rods vertically arranged on the outer side walls of the drying box. The connecting rods are fixedly connected to the output ends of the cylinders. The cylinders are arranged in pairs on the outer wall of the box.

[0010] Furthermore, dustproof accordion baffles are respectively arranged in the slide grooves on both sides of the slider.

[0011] Furthermore, a trapezoidal material retaining bar is movably provided on the side wall at the bottom of the box body, the trapezoidal material retaining bar matches the discharge chute, and the upper surface of the trapezoidal material retaining bar is flush with the bottom of the drying box.

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

[0013] 1. The multi-layer sieve plate prolongs the time for the powder coating to fall to the bottom of the drying box and enhances the drying effect;

[0014] 2. The cylinder drives the pressure roller and the scraper through the connecting rod to reciprocate the material pressing and coating turning. The sieve plates with different meshes filter out the large particles of powder coating respectively, and the pressure roller and the sieve plate press them into small particles of powder coating that can pass through the sieve plate, thus avoiding the blockage of the sieve plate, improving the filtering efficiency, avoiding the waste of coating and saving manpower;

[0015] 3. The bottom of the scraper contacts the bottom of the drying box to turn over the powder coating that falls into the bottom of the drying box, making the drying more uniform. At the same time, the powder coating can be pushed out of the box from the discharge chute after drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure in the box of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the drying box of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the pressing roller of the utility model.

[0021] In the figure, 1. box body, 2. feed barrel, 3. drying box, 4. electric heating ring, 5. screen plate, 6. slide chute, 7. slider, 8. pressure roller, 9. discharge chute, 10. drop pipe, 11. scraper, 12. connecting rod, 13. cylinder, 14. dustproof accordion baffle, 15. trapezoidal baffle. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0023] like Figures 1 to 4 As shown, a powder coating drying device for coating production includes a box body 1, a feed cylinder 2 is fixedly arranged on the top of the box body 1, the feed cylinder 2 is connected to a drying box 3 in the box body 1, an electric heating ring 4 is arranged on the inner wall and the bottom of the box body 1, the electric heating ring 4 is arranged around the drying box 3, a multi-layer sieve plate 5 is arranged in the drying box 3, slide grooves 6 are relatively arranged on the walls of the drying box 3 on both sides of the sieve plate 5, a slider 7 is slidably arranged in the slide groove 6, a pressure roller 8 is rotatably installed between the sliders 7, the pressure roller 8 is in contact with the sieve plate 5, and a discharge chute 9 is arranged at the bottom of the drying box 3, and the discharge chute 9 is connected to the outer wall of the box body 1 through a drop pipe 10.

[0024] The sieve holes of the sieve plate 5 decrease from top to bottom, and large-particle powder coating is screened and pressed into small-particle powder coating that can pass through the sieve plate of this layer by the pressing roller 8, thereby avoiding blockage of the sieve plate 5, improving the filtration efficiency, and saving manpower. The powder coating will stay when passing through the multiple layers of sieve plates 5, which prolongs the drying time of the powder particles and enhances the drying effect.

[0025] Slide grooves 6 are arranged on the two side walls at the bottom of the drying box 3, and the sliders 7 slidably arranged in the two slide grooves 6 are fixedly connected to the two ends of the scraper 11. The bottom of the scraper 11 contacts the bottom of the drying box 3, and the powder coating that falls into the bottom of the drying box 3 is turned over to make the drying more uniform. At the same time, the powder coating can be pushed out of the box body 1 from the discharge trough 9 after the drying is completed.

[0026] A plurality of groups of the chutes 6 are arranged in parallel, and a plurality of sliders 7 are correspondingly arranged on the two side walls of the drying box 3. The plurality of sliders 7 are respectively fixedly connected to the connecting rods 12 vertically arranged on the outer side walls of the drying box 3. The connecting rods 12 are fixedly connected to the output ends of the cylinders 13. The cylinders 13 are arranged in pairs on the outer wall of the box body 1. Dust-proof accordion baffles 14 are respectively arranged in the chutes 6 on both sides of the sliders 7. The cylinders 13 drive the pressure rollers 8 and the scrapers 11 through the connecting rods 12 to perform reciprocating pressing and coating turning.

[0027] A trapezoidal retaining bar 15 is movably provided on the bottom side wall of the box body 1. The trapezoidal retaining bar 15 matches the discharge trough 9. The upper surface of the trapezoidal retaining bar 15 is flush with the bottom of the drying box 3. During drying, the trapezoidal retaining bar 15 is inserted into the discharge trough 9. After drying, the trapezoidal retaining bar 15 is pulled out, and the scraper 11 discharges the powder coating.

[0028] When the utility model is in use, powder coating is added to the drying box 3 in the box body 1 through the feeding cylinder 2, and the multi-layer sieve plate 5 prolongs the time for the powder coating to fall to the bottom of the drying box 3, thereby enhancing the drying effect. The cylinder 13 drives the pressing roller 8 and the scraper 11 to reciprocately press the materials and turn the coating through the connecting rod 12. The sieve plates 5 with different sieve holes filter out large particles of powder coating respectively, which are pressed into small particles of powder coating that can pass through the sieve plates 5 by the pressing roller 8 and the sieve plates 5, thereby avoiding blockage of the sieve plates 5, improving the filtering efficiency, avoiding waste of coating, and saving manpower. The bottom of the scraper 11 contacts the bottom of the drying box 3, turns the powder coating that falls into the bottom of the drying box 3, and makes the drying more uniform. At the same time, the powder coating can be pushed out of the box body 1 from the discharging trough 9 after the drying is completed.

[0029] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A powder coating drying device for coating production, comprising a housing (1), characterized in that: A feed cylinder (2) is fixedly arranged on the top of the box body (1), and the feed cylinder (2) is connected to a drying box (3) in the box body (1). Electric heating coils (4) are arranged on the inner wall and the bottom of the box body (1), and the electric heating coils (4) are arranged around the drying box (3). A plurality of sieve plates (5) are arranged in the drying box (3), and slide grooves (6) are arranged on the walls of the drying box (3) on both sides of the sieve plates (5) relative to each other. Slide blocks (7) are slidably arranged in the slide grooves (6), and a pressure roller (8) is rotatably installed between the slide blocks (7), and the pressure roller (8) contacts the sieve plate (5). A discharge trough (9) is arranged at the bottom of the drying box (3), and the discharge trough (9) is connected to the outer wall of the box body (1) through a drop pipe (10).

2. A powder coating drying device for coating production according to claim 1, characterized in that: The sieve holes of the sieve plate (5) decrease from top to bottom.

3. A powder coating drying device for coating production according to claim 1, characterized in that: Slide grooves (6) are arranged opposite to each other on the two side walls of the bottom of the drying box (3); sliding blocks (7) slidably arranged in the two slide grooves (6) are fixedly connected to the two ends of the scraper (11); and the bottom of the scraper (11) contacts the bottom of the drying box (3).

4. A powder coating drying device for coating production according to claim 3, characterized in that: A plurality of groups of the slide grooves (6) are arranged in parallel, and a plurality of sliders (7) are arranged correspondingly on the two side walls of the drying box (3). The plurality of sliders (7) are respectively fixedly connected to connecting rods (12) vertically arranged on the outer side walls of the drying box (3). The connecting rods (12) are fixedly connected to the output ends of the cylinders (13). The cylinders (13) are arranged in pairs on the outer wall of the box body (1).

5. A powder coating drying device for coating production according to claim 4, characterized in that: Dust-proof accordion baffles (14) are respectively arranged in the slide grooves (6) on both sides of the slide block (7).

6. A powder coating drying device for coating production according to claim 1, characterized in that: A trapezoidal material blocking strip (15) is movably provided on the bottom side wall of the box body (1), the trapezoidal material blocking strip (15) matches the discharge chute (9), and the upper surface of the trapezoidal material blocking strip (15) is flush with the bottom of the drying box (3).

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