Spraying device for surface treatment of sheet metal parts

Abstract

The utility model discloses a spraying device for surface treatment of sheet metal parts. The spraying device comprises a spraying box, and the top of the spraying box is fixedly connected with an air purification assembly; and the air purification assembly comprises an air inlet pipe, the top end of the air inlet pipe is fixedly connected with a purification box, the inner wall of the purification box is fixedly connected with a spraying pipe, and the inner wall of the purification box is fixedly connected with a mounting sleeve. When the surface of the sheet metal part is subjected to spraying treatment, the driving motor is started, the sector fluted disc rotates at a high speed, and negative pressure is generated near the air inlet pipe, so that waste gas generated by spraying is sucked into the purifying box and enters a cavity between the purifying box and the mounting sleeve through the air inlet of the mounting sleeve, and the waste gas is purified. Water in the water tank connected with the water inlet pipe is pumped into the spraying pipe through the water pump, harmful gas in the waste gas is absorbed, meanwhile, the gas sequentially passes through the precise filter screen and the activated carbon layer, retreatment of the gas is achieved, and the purification effect of the waste gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a spraying device for surface treatment of sheet metal parts. Background Art

[0002] Sheet metal processing is a comprehensive cold working process for thin metal sheets, encompassing shearing, punching / cutting / combining, folding, welding, riveting, splicing, and forming. Its most notable characteristic is the consistent thickness of each part. Products processed through this process are called sheet metal parts. They offer advantages such as light weight, high strength, electrical conductivity, low cost, and high performance for large-scale mass production. They are widely used in electronics, telecommunications, automotive, and medical devices. To extend the service life of sheet metal parts, coatings are typically applied to the surface after processing.

[0003] In the process of spraying paint on the surface of sheet metal parts, some waste gas is easily generated. The waste gas escapes into the air and is easily inhaled by workers, causing harm to their bodies. Utility Model Content

[0004] The purpose of the present invention is to provide a spraying device for surface treatment of sheet metal parts, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spray device for surface treatment of sheet metal parts, comprising a spray box, the top of the spray box is fixedly connected to an air purification component; the air purification component comprises an air inlet pipe, the top of the air inlet pipe is fixedly connected to a purification box, the inner wall of the purification box is fixedly connected to a spray pipe, the inner wall of the purification box is fixedly connected to a mounting sleeve, the surface of the mounting sleeve is fixedly sleeved with a precision filter, the surface of the mounting sleeve is fixedly sleeved with an activated carbon layer, the top of the purification box is fixedly connected to a sealing cover, an air outlet is opened in the middle of the sealing cover, and the inner wall of the air outlet is fixedly connected to a dustproof net.

[0006] As a further preferred embodiment of the present technical solution, a plurality of air inlets are provided in the middle of the mounting sleeve, the plurality of air inlets are located below the spray pipe, the precision filter and the activated carbon layer are located above the spray pipe, and the sealing cover and the purification box are connected by a plurality of fixing bolts.

[0007] As a further preferred embodiment of the present technical solution, a filter is fixedly connected to the inner wall of the air inlet duct, a cross mounting plate is fixedly connected to the inner wall of the air inlet duct, a drive motor is fixedly connected to the bottom end of the cross mounting plate, and a fan gear is fixedly connected to the output end of the drive motor.

[0008] As a further preferred embodiment of the present technical solution, a connecting pipe is fixedly connected to the right side of the purification box, a water pump is fixedly connected to the right side of the connecting pipe, a water inlet pipe is fixedly connected to the right side of the water pump, and a drain pipe is fixedly connected to the back side of the purification box.

[0009] As a further preferred embodiment of the present technical solution, a rotating motor is fixedly connected to the right side of the spray box, a threaded rod is fixedly connected to the output end of the rotating motor, a sliding seat is threadedly connected to the surface of the threaded rod, a limiting rod is slidably connected to the middle part of the sliding seat, and the limiting rod is fixedly connected to the spray box.

[0010] As a further preferred embodiment of the present technical solution, the bottom end of the sliding seat is fixedly connected to a hydraulic rod, the bottom end of the hydraulic rod is fixedly connected to a connecting frame, a spray head is fixedly installed in the middle of the connecting frame, a feed pipe is fixedly connected to the left side of the spray head, and the top end of the connecting frame is fixedly connected to a guide rod.

[0011] As a further preferred embodiment of the present technical solution, the connecting frame is L-shaped, the spray head is composed of a material storage tube and an atomizing nozzle, there are two guide rods, the two guide rods are composed of two sliding rods, and the guide rods are fixedly connected to the sliding seat.

[0012] The utility model provides a spraying device for surface treatment of sheet metal parts, which has the following beneficial effects:

[0013] (1) The utility model adds an air purification component on the top of the spray box. When the surface of the sheet metal is sprayed, the drive motor is started to rotate the fan gear disc at high speed, so that negative pressure is generated near the air inlet pipe, thereby sucking the exhaust gas generated by the spraying into the purification box. The exhaust gas enters the cavity between the purification box and the installation sleeve through the air inlet of the installation sleeve, and the water in the water tank connected to the water inlet pipe is pumped into the spray pipe through the water pump to absorb the harmful gases in the exhaust gas. At the same time, the gas passes through the precision filter and the activated carbon layer in turn to achieve gas reprocessing, thereby increasing the purification effect of the exhaust gas.

[0014] (2) The utility model starts the hydraulic rod to move the connecting frame and the spray head downward, and the paint in the material box enters the spray head through the feed pipe and is sprayed out through the atomizing nozzle, thereby spraying the surface of the sheet metal. At the same time, the rotary motor is started, the threaded rod rotates, and the sliding seat moves left and right in the spray box to adjust the spraying area. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the internal structure of the spray box of the present utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the purification box of the present utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the air inlet pipe of the present utility model.

[0020] In the figure: 1. Spray box; 2. Air purification component; 201. Air inlet pipe; 202. Purification box; 203. Spray pipe; 204. Mounting sleeve; 205. Precision filter; 206. Activated carbon layer; 207. Sealing cover; 208. Air outlet; 209. Dust screen; 3. Filter; 4. Cross mounting plate; 5. Drive motor; 6. Fan gear disc; 7. Connecting pipe; 8. Water pump; 9. Water inlet pipe; 10. Drain pipe; 11. Rotating motor; 12. Threaded rod; 13. Sliding seat; 14. Limit rod; 15. Hydraulic rod; 16. Connecting frame; 17. Spray head; 18. Feed pipe; 19. Guide rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 and Figure 5 As shown, in this embodiment, a spraying device for surface treatment of sheet metal parts includes a spray box 1, and the top of the spray box 1 is fixedly connected to an air purification component 2; the air purification component 2 includes an air inlet pipe 201, the top of the air inlet pipe 201 is fixedly connected to a purification box 202, the inner wall of the purification box 202 is fixedly connected to a spray pipe 203, the inner wall of the purification box 202 is fixedly connected to a mounting sleeve 204, the surface of the mounting sleeve 204 is fixedly sleeved with a precision filter 205, the surface of the mounting sleeve 204 is fixedly sleeved with an activated carbon layer 206, the top of the purification box 202 is fixedly connected to a sealing cover 207, the middle of the sealing cover 207 is provided with an air outlet 208, and the inner wall of the air outlet 208 is fixedly connected to a dustproof net 209.

[0023] A plurality of air inlets are provided in the middle of the mounting sleeve 204 and are located below the spray pipe 203 . The precision filter 205 and the activated carbon layer 206 are located above the spray pipe 203 . The sealing cover 207 and the purification box 202 are connected by a plurality of fixing bolts.

[0024] The inner wall of the air inlet pipe 201 is fixedly connected with a filter screen 3 , the inner wall of the air inlet pipe 201 is fixedly connected with a cross mounting plate 4 , the bottom end of the cross mounting plate 4 is fixedly connected with a drive motor 5 , and the output end of the drive motor 5 is fixedly connected with a fan gear disc 6 .

[0025] A connecting pipe 7 is fixedly connected to the right side of the purification box 202 , a water pump 8 is fixedly connected to the right side of the connecting pipe 7 , a water inlet pipe 9 is fixedly connected to the right side of the water pump 8 , and a drain pipe 10 is fixedly connected to the back side of the purification box 202 .

[0026] When the sheet metal surface is being sprayed, the drive motor 5 is started to rotate the fan gear disc 6 at high speed, so that negative pressure is generated near the air inlet pipe 201, thereby sucking the exhaust gas generated by the spraying into the purification box 202, and the exhaust gas enters the cavity between the purification box 202 and the installation sleeve 204 through the air inlet of the installation sleeve 204, and the water in the water tank connected to the water inlet pipe 9 is pumped into the spray pipe 203 through the water pump 8 to absorb the harmful gases in the exhaust gas. At the same time, the gas passes through the precision filter 205 and the activated carbon layer 206 in turn to achieve gas reprocessing, increase the purification effect of the exhaust gas, and avoid the exhaust gas from causing harm to the staff.

[0027] A rotating motor 11 is fixedly connected to the right side of the spray box 1, and a threaded rod 12 is fixedly connected to the output end of the rotating motor 11. A sliding seat 13 is threadedly connected to the surface of the threaded rod 12, and a limiting rod 14 is slidably connected to the middle part of the sliding seat 13. The limiting rod 14 is fixedly connected to the spray box 1.

[0028] The bottom end of the sliding seat 13 is fixedly connected to a hydraulic rod 15, the bottom end of the hydraulic rod 15 is fixedly connected to a connecting frame 16, a spray head 17 is fixedly installed in the middle of the connecting frame 16, a feed pipe 18 is fixedly connected to the left side of the spray head 17, and a guide rod 19 is fixedly connected to the top of the connecting frame 16.

[0029] The connecting frame 16 is L-shaped. The spray head 17 is composed of a material storage tube and an atomizing nozzle. There are two guide rods 19 . The two guide rods 19 are composed of two sliding rods. The guide rods 19 are fixedly connected to the sliding seat 13 .

[0030] The utility model provides a spraying device for surface treatment of sheet metal parts, and the specific working principle is as follows:

[0031] When in use, place the sheet metal into the spray box 1, start the hydraulic rod 15, move the connecting frame 16 and the spray head 17 downward, and the paint in the material box enters the spray head 17 through the feed pipe 18 and is sprayed out through the atomizing nozzle, thereby spraying the surface of the sheet metal. At the same time, start the rotating motor 11, the threaded rod 12 rotates, and the sliding seat 13 moves left and right in the spray box 1 to adjust the spraying area; at the same time, start the driving motor 5 to rotate the fan gear disc 6 at high speed, so that negative pressure is generated near the air inlet pipe 201 , thereby sucking the exhaust gas generated by spraying into the purification box 202, and the exhaust gas enters the cavity between the purification box 202 and the installation sleeve 204 through the air inlet of the installation sleeve 204, and the water in the water tank connected to the water inlet pipe 9 is pumped into the spray pipe 203 through the water pump 8 to absorb the harmful gases in the exhaust gas. At the same time, the gas passes through the precision filter 205 and the activated carbon layer 206 in turn to achieve gas reprocessing and increase the purification effect of the exhaust gas. The purified exhaust gas is discharged through the air outlet 208 on the sealing cover 207.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spraying device for surface treatment of sheet metal parts, comprising a spraying box (1), characterized in that: The top of the spray box (1) is fixedly connected to an air purification component (2); the air purification component (2) includes an air inlet pipe (201), the top of the air inlet pipe (201) is fixedly connected to a purification box (202), the inner wall of the purification box (202) is fixedly connected to a spray pipe (203), the inner wall of the purification box (202) is fixedly connected to a mounting sleeve (204), the surface of the mounting sleeve (204) is fixedly sleeved with a precision filter (205), the surface of the mounting sleeve (204) is fixedly sleeved with an activated carbon layer (206), the top of the purification box (202) is fixedly connected to a sealing cover (207), an air outlet (208) is opened in the middle of the sealing cover (207), and the inner wall of the air outlet (208) is fixedly connected to a dustproof net (209).

2. The spraying device for sheet metal surface treatment according to claim 1, characterized in that: A plurality of air inlets are provided in the middle of the installation sleeve (204), and the plurality of air inlets are located below the spray pipe (203). The precision filter (205) and the activated carbon layer (206) are located above the spray pipe (203). The sealing cover (207) and the purification box (202) are connected by a plurality of fixing bolts.

3. The spraying device for sheet metal surface treatment according to claim 1, characterized in that: The inner wall of the air inlet pipe (201) is fixedly connected to a filter screen (3), the inner wall of the air inlet pipe (201) is fixedly connected to a cross mounting plate (4), the bottom end of the cross mounting plate (4) is fixedly connected to a drive motor (5), and the output end of the drive motor (5) is fixedly connected to a fan gear disc (6).

4. The spraying device for sheet metal surface treatment according to claim 1, characterized in that: The right side of the purification box (202) is fixedly connected to a connecting pipe (7), the right side of the connecting pipe (7) is fixedly connected to a water pump (8), the right side of the water pump (8) is fixedly connected to a water inlet pipe (9), and the back side of the purification box (202) is fixedly connected to a drain pipe (10).

5. The spraying device for sheet metal surface treatment according to claim 1, characterized in that: The right side of the spray box (1) is fixedly connected to a rotating motor (11), the output end of the rotating motor (11) is fixedly connected to a threaded rod (12), the surface of the threaded rod (12) is threadedly connected to a sliding seat (13), the middle part of the sliding seat (13) is slidably connected to a limiting rod (14), and the limiting rod (14) is fixedly connected to the spray box (1).

6. The spraying device for sheet metal surface treatment according to claim 5, characterized in that: The bottom end of the sliding seat (13) is fixedly connected to a hydraulic rod (15), the bottom end of the hydraulic rod (15) is fixedly connected to a connecting frame (16), a spray head (17) is fixedly installed in the middle of the connecting frame (16), a feed pipe (18) is fixedly connected to the left side of the spray head (17), and a guide rod (19) is fixedly connected to the top end of the connecting frame (16).

7. The spraying device for sheet metal surface treatment according to claim 6, characterized in that: The connecting frame (16) is L-shaped, the spray head (17) is composed of a material storage tube and an atomizing nozzle, and there are two guide rods (19). The two guide rods (19) are composed of two sliding rods, and the guide rods (19) are fixedly connected to the sliding seat (13).

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