Paint mist filtering device applied to dry type paint spraying chamber of coating line

Abstract

The utility model relates to the technical field of coating line dry type paint spraying chambers, and provides a paint mist filtering device applied to a coating line dry type paint spraying chamber, which comprises a box body, one end of the box body is fixedly connected with a first filtering layer through a screw, and two sides of one end of the box body are fixedly connected with square sleeves. A first filter layer is arranged at one end of the box body, a second filter layer is arranged on the inner side of the first filter layer, an air guide layer is movably connected to the inner side of the second filter layer, square blocks are fixedly connected to the two sides of the air guide layer, a negative pressure fan is arranged on the inner wall of the other end of the box body, an exhaust fan is installed at the other end of the box body, and a shell is fixedly connected to the top end of the box body. According to the technical scheme, the cleaning block is driven by the threaded rod to clean one side of the first filtering layer, and the problem that after long-time use, impurities are accumulated on the surface of the external filtering layer, and the filtering effect is possibly reduced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type spray booths in coating lines, and in particular to a paint mist filtering device applied to dry-type spray booths in coating lines. Background Art

[0002] At present, the paint lines in the spray booths have generally adopted dry paint mist capture technology to control and filter the paint mist generated during the spraying process. This technology has made significant progress in recent years, especially in the paint mist capture capacity, which is sufficient to meet the needs of large-scale continuous operations. Due to the advantages of low investment and low comprehensive operating costs, dry spray booths have been widely used and gradually replaced wet spray booths. The dry spray booth has various structural forms, among which the filtration system with the paint mist capture box as the core is the most mainstream. The paint mist capture box is usually equipped with filter paper boxes of uniform specifications to capture and filter paint mist.

[0003] The patent specification with the announcement number CN218833941U discloses a paint mist filter device applied to a dry spray booth of a coating line, including a frame, a retaining wall symmetrically arranged in the middle of the frame, a filter chamber formed between the retaining walls on both sides, a plurality of through holes opened on the bottom surface of the retaining wall, a filter mechanism arranged next to the retaining wall, the filter mechanism comprising a plurality of card slots, and paint mist filter cotton inserted between adjacent card slots. The present application uses paint mist filter cotton to replace the use of dry paper boxes, which is low in cost and convenient for transportation. By setting the filter area in a concave-convex shape, the area of ​​the paint mist filter cotton is increased, ensuring that the filter material area of ​​the paint mist filter cotton is equal to the filter material area of ​​the dry paper box set in the same space, achieving the same paint mist adsorption effect, and having high cost performance.

[0004] However, in the implementation of related technologies, it was found that the paint mist filtering device based on the dry spray booth applied to the coating line has the following problems: after long-term use, impurities will accumulate on the surface of the external filter layer, which may lead to a decrease in the filtering effect. Utility Model Content

[0005] The utility model provides a paint mist filtering device applied to a dry-type spray booth of a coating line, which solves the problem that impurities may accumulate on the surface of an external filter layer after long-term use, which may lead to a decrease in filtering effect.

[0006] The technical solution of the utility model is as follows:

[0007] A paint mist filtering device applied to a dry-type spray booth of a coating line comprises a box body, one end of the box body is fixedly connected with a first filter layer by screws, two sides of one end of the box body are fixedly connected with a square sleeve, a second filter layer is arranged on the inner side of the first filter layer, an air guide layer is movably connected to the inner side of the second filter layer, two sides of the air guide layer are fixedly connected with square blocks, a negative pressure fan is arranged on the inner wall of the other end of the box body, an exhaust fan is installed on the other end of the box body, and the top of the box body is fixedly connected with a shell;

[0008] A rotating motor is arranged inside the shell, and the output end of the rotating motor is rotatably connected to the first transmission wheel through a coupling, the bottom end of the first transmission wheel is fixedly connected to a limiting block, the side of the first transmission wheel is rotatably connected to a transmission belt, the two ends of the inner side of the transmission belt are sleeved with a second transmission wheel, the bottom end of the second transmission wheel is fixedly connected to a threaded rod, the surface of the threaded rod is threadedly connected to a cleaning block, and the inner side of the cleaning block is fixedly connected to a slider.

[0009] Preferably, the inner wall of the square sleeve fits with the side surface of one end of the threaded rod, and the one end of the threaded rod and the inner wall of the square sleeve form a snap-fit ​​structure.

[0010] Preferably, a square groove is provided on the inner wall of one end of the box body, and the square block is slidably connected to the square groove.

[0011] Preferably, the sliding block is T-shaped, and the sliding block is slidably connected to the T-slot.

[0012] Preferably, a limiting groove is provided on the top of the box body, the limiting groove is fitted with a limiting block, and the limiting block constitutes a limiting structure for the first transmission wheel.

[0013] Preferably, a fixed block is fixedly connected to the side of the box body, a threaded column is rotatably connected to the inner wall of the fixed block, a drill bit is provided at the bottom end of the threaded column, a connecting rod is fixedly connected to the top end of the threaded column, and a rotating wheel is provided above the connecting rod.

[0014] Preferably, a thread groove is formed on the inner wall of the fixing block, and the surface of the thread column and the thread groove form a thread matching structure.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, the cleaning block is driven by the threaded rod to clean one side of the first filter layer, which helps to keep the filter surface clean, prevents paint mist particles from accumulating on the filter, prolongs the service life of the filter, effectively reduces the frequency of filter replacement and related costs, and helps to reduce the accumulation of paint mist in the working environment, thereby improving the quality of the working environment.

[0017] 2. In the utility model, the threaded column drives the drill bit to drill into the ground, so that the structure of the paint mist filtering device can be strengthened, its stability and carrying capacity can be enhanced, and the risk of accidents, such as workplace safety problems caused by equipment collapse or structural damage, can be reduced. It can ensure that the paint mist filtering device maintains stable performance in long-term operation, help maintain the normal operation of the filter, effectively improve the paint mist filtration efficiency, maintain the stability of coating quality, and avoid production interruptions or quality problems caused by equipment problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cleaning component structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the shell structure proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the reinforcement component structure proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the external structure proposed by the utility model.

[0024] In the figure: 1. box body; 2. first filter layer; 3. square sleeve; 4. second filter layer; 5. air guide layer; 6. square block; 7. negative pressure fan; 8. exhaust fan; 9. shell; 10. rotating motor; 11. first transmission wheel; 12. transmission belt; 13. second transmission wheel; 14. threaded rod; 15. cleaning block; 16. slider; 17. limit block; 18. square groove; 19. T-slot; 20. limit groove; 21. fixing block; 22. threaded column; 23. drill bit; 24. connecting rod; 25. rotating wheel; 26. threaded groove. DETAILED DESCRIPTION

[0025] The following will be combined with 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 of 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.

[0026] Example 1

[0027] like Figure 1 to Figure 3As shown, it includes a box body 1, one end of the box body 1 is fixedly connected to a first filter layer 2 by screws, both sides of one end of the box body 1 are fixedly connected to square sleeves 3, the inner side of the first filter layer 2 is provided with a second filter layer 4, the inner side of the second filter layer 4 is movably connected to an air guide layer 5, both sides of the air guide layer 5 are fixedly connected to square blocks 6, the inner wall of the other end of the box body 1 is provided with a negative pressure fan 7, the other end of the box body 1 is installed with an exhaust fan 8, the top of the box body 1 is fixedly connected to a shell 9, and the air inlet of the first filter layer 2 is at a forty-five degree angle.

[0028] In this embodiment, a rotating motor 10 is provided inside the shell 9, and the output end of the rotating motor 10 is rotatably connected to the first transmission wheel 11 through a coupling, and the bottom end of the first transmission wheel 11 is fixedly connected to a limiting block 17, and the side of the first transmission wheel 11 is rotatably connected to a transmission belt 12, and the two ends of the inner side of the transmission belt 12 are sleeved with a second transmission wheel 13, and the bottom end of the second transmission wheel 13 is fixedly connected to a threaded rod 14, and the surface of the threaded rod 14 is threadedly connected to a cleaning block 15, and the inner side of the cleaning block 15 is fixedly connected to a slider 16, and the inner side of the cleaning block 15 is in contact with the surface of the first filter layer 2.

[0029] In this embodiment, the inner wall of the square sleeve 3 fits with the side surface of one end of the threaded rod 14 , and one end of the threaded rod 14 forms a snap-fit ​​structure with the inner wall of the square sleeve 3 , and one end of the threaded rod 14 rotates inside the square sleeve 3 .

[0030] In this embodiment, a square groove 18 is formed on the inner wall of one end of the box body 1 , and the square block 6 is slidably connected to the square groove 18 . The height of the square block 6 fits the side of the square groove 18 .

[0031] In this embodiment, the shape of the slider 16 is T-shaped. The slider 16 and the T-slot 19 form a sliding connection. The slider 16 has a limiting effect on the cleaning block 15 .

[0032] In this embodiment, a limiting groove 20 is provided at the top of the box body 1 , and the limiting groove 20 is fitted with the limiting block 17 . The limiting block 17 forms a limiting structure for the first transmission wheel 11 , and the limiting block 17 assists the rotation movement of the first transmission wheel 11 .

[0033] Example 2

[0034] like Figure 4 , Figure 5 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes

[0035] In this embodiment, a fixed block 21 is fixedly connected to the side of the box body 1, a threaded column 22 is rotatably connected to the inner wall of the fixed block 21, a drill bit 23 is provided at the bottom end of the threaded column 22, a connecting rod 24 is fixedly connected to the top end of the threaded column 22, a rotating wheel 25 is provided above the connecting rod 24, and four fixed blocks 21 are distributed at equal angles on both sides of the box body 1.

[0036] In this embodiment, a thread groove 26 is formed on the inner wall of the fixing block 21 , and the surface of the thread column 22 and the thread groove 26 form a thread matching structure. The length of the thread column 22 is equal to that of the connecting rod 24 .

[0037] Working principle: When using this device, the user places the box 1 where filtering is required, rotates the rotating wheel 25 to drive the threaded column 22 to rotate through the connecting rod 24, and the threaded column 22 and the threaded groove 26 on the inner side of the fixing block 21 form a threaded fit, and drills the drill bit 23 into the ground to strengthen the fixation of the device, and then the negative pressure fan 7 is used to exhaust the room that needs to be filtered, and the paint mist in the air is sucked into the interior of the box 1 for filtration. The first filter layer 2 filters larger impurities, and the second filter layer 4 can absorb and filter smaller impurities. Finally, the filtered air is guided to the negative pressure fan 7 through the air guide layer 5, and finally the filtered air is discharged through the exhaust fan 8. The air is discharged. After long-term use, the rotating motor 10 inside the shell 9 drives the first transmission wheel 11 to rotate. The first transmission wheel 11 can drive the second transmission wheel 13 to rotate through the transmission belt 12. The second transmission wheel 13 drives the threaded rod 14 to rotate. The threaded rod 14 drives the cleaning block 15 to move up and down. The inner side of the cleaning block 15 cleans the surface of the first filter layer 2. The limit block 17 rotates on the inner side of the limit groove 20 and limits the first transmission wheel 11 at the same time. The slider 16 slides on the inner side of the T-slot 19, which can assist the translational movement of the cleaning block 15 and reduce the problem of the device being blocked by impurities and resulting in a decrease in the filtering effect.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A paint mist filtering device used in a dry-type spray booth of a coating line, comprising a housing (1), characterized in that: One end of the box (1) is fixedly connected to a first filter layer (2) by means of screws, and both sides of one end of the box (1) are fixedly connected to a square sleeve (3), a second filter layer (4) is arranged on the inner side of the first filter layer (2), an air guide layer (5) is movably connected to the inner side of the second filter layer (4), and both sides of the air guide layer (5) are fixedly connected to square blocks (6), a negative pressure fan (7) is arranged on the inner wall of the other end of the box (1), an exhaust fan (8) is installed on the other end of the box (1), and a shell (9) is fixedly connected to the top of the box (1); A rotating motor (10) is arranged inside the housing (9); the output end of the rotating motor (10) is rotatably connected to a first transmission wheel (11) through a coupling; the bottom end of the first transmission wheel (11) is fixedly connected to a limiting block (17); the side of the first transmission wheel (11) is rotatably connected to a transmission belt (12); the two ends of the inner side of the transmission belt (12) are sleeved with a second transmission wheel (13); the bottom end of the second transmission wheel (13) is fixedly connected to a threaded rod (14); the surface of the threaded rod (14) is threadedly connected to a cleaning block (15); the inner side of the cleaning block (15) is fixedly connected to a slider (16).

2. The paint mist filtering device used in a dry spray booth of a coating line according to claim 1 is characterized in that: The inner wall of the square sleeve (3) fits the side surface of one end of the threaded rod (14), and one end of the threaded rod (14) and the inner wall of the square sleeve (3) form a snap-fit ​​structure.

3. The paint mist filtering device used in a dry spray booth of a coating line according to claim 1, characterized in that: A square groove (18) is provided on the inner wall of one end of the box body (1), and the square block (6) is slidably connected to the square groove (18).

4. The paint mist filtering device used in a dry spray booth of a coating line according to claim 1 is characterized in that: The shape of the slider (16) is T-shaped, and the slider (16) is slidably connected with the T-shaped groove (19).

5. The paint mist filtering device used in a dry spray booth of a coating line according to claim 1, characterized in that: A limiting groove (20) is provided at the top of the box body (1), the limiting groove (20) is fitted with a limiting block (17), and the limiting block (17) forms a limiting structure for the first transmission wheel (11).

6. The paint mist filtering device used in a dry spray booth of a coating line according to claim 1, characterized in that: A fixed block (21) is fixedly connected to the side of the box body (1), a threaded column (22) is rotatably connected to the inner wall of the fixed block (21), a drill bit (23) is provided at the bottom end of the threaded column (22), a connecting rod (24) is fixedly connected to the top end of the threaded column (22), and a rotating wheel (25) is provided above the connecting rod (24).

7. The paint mist filtering device used in a dry spray booth of a coating line according to claim 6, characterized in that: The inner wall of the fixing block (21) is provided with a thread groove (26), and the surface of the thread column (22) and the thread groove (26) form a thread matching structure.

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