PCB dust cleaning device

Abstract

The utility model belongs to the technical field of board dust removal, and particularly relates to a PCB dust cleaning device which comprises a dust removal box. The side wall of the dust removal box is fixedly connected with a fixed block; the middle part of the fixed block is fixedly connected with an electric push rod; the transmission end of the electric push rod is fixedly connected with a synchronous plate; the side wall, close to the fixing block, of the synchronous plate is fixedly connected with a sliding block. A pair of sliding blocks are symmetrically arranged on the side wall of the synchronous plate; the sliding block slides on the top of the dust removal box; the bottom of the sliding block is rotationally connected with a first fixing plate. A nozzle is arranged in the middle of the first fixing plate; a plurality of groups of nozzles are arranged in the middle of the first fixing plate and are uniformly distributed in the middle of the first fixing plate; according to the step, through the arrangement of a sliding block, a first fixing plate and a nozzle, dust adhering to the PCB is blown off, dust adhering to the PCB is reduced, meanwhile, the two sides of the PCB are cleaned, the operation of turning over the PCB is reduced, the steps are simplified, and the PCB cleaning speed is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate dust removal, in particular to a PCB board dust cleaning device. Background Art

[0002] PCB board dust cleaning is an important process, the main purpose of which is to remove dust, chemicals and other impurities generated during the processing to ensure the performance and reliability of the circuit board.

[0003] Common PCB cleaning methods include dry ice cleaning, steam cleaning, ultrasonic cleaning, solvent cleaning, and compressed air cleaning. Compressed air cleaning is an effective PCB cleaning method that can remove dust and dirt from printed circuit boards. In existing PCB dust cleaning technology, the PCB board is powered off and placed in a dust removal box. Compressed air is used to blow away the dust on the PCB board. After cleaning one side, the PCB board needs to be turned over for further cleaning. This turning process is cumbersome and affects the cleaning speed.

[0004] To this end, the utility model provides a PCB board dust cleaning 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 PCB board dust cleaning device, comprising a dust box; the side wall of the dust box is fixedly connected to a fixed block; the middle of the fixed block is fixedly connected to an electric push rod; the transmission end of the electric push rod is fixedly connected to a synchronous plate; the synchronous plate is fixedly connected to a slider near the side wall of the fixed block; the sliders are arranged in a pair on the side wall of the synchronous plate and are symmetrically arranged; the sliders slide on the top of the dust box; the bottom of the slider is rotatably connected to a first fixed plate; a nozzle is provided in the middle of the first fixed plate; the nozzles are arranged in multiple groups in the middle of the first fixed plate and are evenly distributed in the middle of the first fixed plate; the side wall of the dust box near the fixed block is fixedly connected to the dust box; the side wall of the dust box is fixedly connected to an exhaust pipe; the exhaust pipe is externally connected to the dust box An exhaust component is provided inside the dust removal box; during operation, the PCB board is placed in the dust removal box, the PCB board is fixed by the fixing component, the nozzle is connected to compressed air, the first fixing plate is rotated to tilt the nozzle to blow air toward the PCB board, the electric push rod is turned on, the electric push rod drives the synchronous plate, the slider, and the first fixing plate to move, the nozzle blows off the dust adhering to both sides of the PCB board, the exhaust pipe is connected to the exhaust component to extract the air in the dust removal box, so that a negative pressure is formed in the dust removal box, and the blown dust is sucked into the dust collection box and the exhaust pipe; in this step, the setting of the slider, the first fixing plate, and the nozzle is used to blow off the dust adhering to the PCB board, reduce the dust adhering to the PCB board, clean both sides of the PCB board at the same time, reduce the operation of turning over the PCB board, simplify the steps, and improve the speed of cleaning the PCB board.

[0007] Preferably, the fixing assembly includes a guide groove, a support plate, a clamping seat, and a first spring; the guide groove is fixedly connected to the bottom of the dust removal box; a pair of guide grooves are provided inside the dust removal box and are symmetrically arranged; the support plate slides inside the guide groove; the bottom of the clamping seat is fixedly connected to the top of the support plate; one end of the first spring is fixedly connected to the bottom of the support plate; the other end of the first spring is fixedly connected to the inside of the guide groove; multiple groups of the first springs are provided at the bottom of the support plate and are evenly distributed at the bottom of the support plate; the side wall of the clamping seat is provided with a clamping assembly; during work, when cleaning PCB boards of different sizes, the two ends of the PCB board are placed in the clamping seat, the first spring supports the support plate and the clamping seat to fix the PCB board, and the PCB board is clamped by the clamping assembly; this step fixes PCB boards of different sizes through the setting of the guide groove, the support plate, the clamping seat, and the first spring, reduces the step of replacing the clamp for fixing PCB boards of different sizes, and improves the adaptability of the device when used.

[0008] Preferably, the clamping assembly includes a push rod, a second spring, and a rubber pad; the push rod slides on the side wall of the clamping seat; the push rod is arranged in multiple groups on the side wall of the clamping seat, and is symmetrically arranged; the second spring is sleeved on the outer wall of the push rod away from the clamping seat; one end of the second spring is fixedly connected to the end of the push rod; the other end of the second spring is fixedly connected to the side wall of the clamping seat; the rubber pad is fixedly connected to the end of the push rod away from the second spring; during operation, the push rod is pulled to move outward and the second spring is stretched to place the PCB board in the clamping seat, the push rod is released, and the second spring drives the push rod and the rubber pad to reset, the rubber pad contacts the PCB board and clamps the PCB board in the clamping seat; this step clamps the PCB board in the clamping seat through the arrangement of the push rod, the second spring, and the rubber pad, thereby increasing the stability of the PCB board during cleaning and reducing the possibility of the PCB board falling from the clamping seat and being damaged, and the rubber pad reduces the vibration occurring during PCB cleaning.

[0009] Preferably, the side wall of the first fixing plate is hinged with a second fixing plate; the side wall of the second fixing plate close to the guide groove is fixedly connected with a wool brush; the wool brushes are arranged in multiple groups on the side wall of the second fixing plate and are evenly distributed on the side wall of the second fixing plate; during operation, the second fixing plate is rotated to a suitable position to make the wool brush contact with the PCB board, and when the first fixing plate moves inside the dust removal box, it drives the second fixing plate to move, and when moving, the wool brush sweeps off the dust on the surface of the PCB board; this step sweeps off the dust adhered to the surface of the PCB board through the arrangement of the second fixing plate and the wool brush, thereby improving the cleanliness of the surface of the PCB board and reducing the adhesion of dust to the side wall of the PCB board.

[0010] Preferably, a pad is fixedly connected to the middle of the clamping seat; the pad is set in the middle of a pair of clamping seats; during operation, when the PCB board is placed in the clamping seat, the pad contacts the PCB board to cushion the PCB board; this step is achieved by setting the pad, the pad contacts the PCB board, so that the PCB board and the clamping seat are in flexible contact, thereby reducing damage to the PCB board.

[0011] Preferably, the synchronization plate and the side walls of the slider are fixedly connected with a dust-proof plate; the dust-proof plate slides on the top of the dust removal box; during operation, the electric push rod pushes the synchronization plate and the slider to move on the top of the dust removal box, driving the dust-proof plate to move on the top of the dust removal box; this step is achieved through the setting of the dust-proof plate, and the dust-proof plate moves with the synchronization plate and the slider on the top of the dust removal box, thereby reducing dust from falling into the inside of the dust removal box and improving the cleanliness of the inside of the dust removal box.

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

[0013] 1. The PCB dust cleaning device described in the utility model blows off dust adhering to the PCB board through the arrangement of the slider, the first fixed plate, and the nozzle, thereby reducing the adhesion of dust to the PCB board and cleaning both sides of the PCB board at the same time, thus reducing the need to flip the PCB board, simplifying the steps, and improving the speed of cleaning the PCB board.

[0014] 2. The PCB dust cleaning device described in the present invention fixes PCB boards of different sizes by setting the guide groove, support plate, clamping seat, and first spring, thereby reducing the steps of replacing the clamps required to fix PCB boards of different sizes and improving the adaptability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings.

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

[0017] Figure 2 This is a schematic diagram of the structure of the first fixed plate and the slider in the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of the electric push rod and the slider in the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the guide groove and the dust removal box in the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the cooperation between the ejector rod and the clamping seat in the utility model;

[0021] In the figure: 1. Dust removal box; 11. Fixed block; 12. Electric push rod; 13. Synchronous plate; 14. Slider; 15. First fixed plate; 16. Nozzle; 17. Dust collection box; 18. Exhaust pipe; 2. Guide groove; 21. Support plate; 22. Clamping seat; 23. First spring; 3. Push rod; 31. Second spring; 32. Rubber pad; 4. Second fixed plate; 41. Wool brush; 5. Cushion block; 6. Dustproof plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figures 1 to 3As shown, a PCB board dust cleaning device described in an embodiment of the present utility model includes a dust removal box 1; the side wall of the dust removal box 1 is fixedly connected to a fixed block 11; the middle of the fixed block 11 is fixedly connected to an electric push rod 12; the transmission end of the electric push rod 12 is fixedly connected to a synchronous plate 13; the synchronous plate 13 is fixedly connected to a slider 14 near the side wall of the fixed block 11; the sliders 14 are arranged in a pair on the side wall of the synchronous plate 13 and are symmetrically arranged; the sliders 14 slide on the top of the dust removal box 1; the bottom of the slider 14 is rotatably connected to a first fixed plate 15; the middle of the first fixed plate 15 is provided with a nozzle 16; the nozzles 16 are arranged in multiple groups in the middle of the first fixed plate 15, and are evenly distributed in the middle of the first fixed plate 15; the side wall of the dust removal box 1 close to the fixed block 11 is fixedly connected to a dust collecting box 17; the side wall of the dust collecting box 17 is fixedly connected to an exhaust pipe 18; the exhaust pipe 18 is externally connected An exhaust component is provided inside the dust removal box 1; during operation, the PCB board is placed in the dust removal box 1, the PCB board is fixed by the fixing component, the nozzle 16 is connected to compressed air, the first fixing plate 15 is rotated to tilt the nozzle 16 to blow air toward the PCB board, the electric push rod 12 is turned on, and the electric push rod 12 drives the synchronous plate 13, the slider 14, and the first fixing plate 15 to move, and the nozzle 16 blows off the dust adhering to both sides of the PCB board, and the exhaust pipe 18 is connected to the exhaust component to extract the air in the dust removal box 1 to form a negative pressure in the dust removal box 1, and the blown dust is sucked into the dust collecting box 17 and the exhaust pipe 18; in this step, the setting of the slider 14, the first fixing plate 15, and the nozzle 16 is used to blow off the dust adhering to the PCB board, reduce the dust adhering to the PCB board, clean both sides of the PCB board at the same time, reduce the operation of turning over the PCB board, simplify the steps, and improve the speed of cleaning the PCB board.

[0024] like Figure 4 and Figure 5As shown, the fixing assembly includes a guide groove 2, a support plate 21, a clamping seat 22, and a first spring 23; the guide groove 2 is fixedly connected to the bottom of the dust removal box 1; a pair of guide grooves 2 are provided inside the dust removal box 1, and are symmetrically arranged; the support plate 21 slides inside the guide groove 2; the bottom of the clamping seat 22 is fixedly connected to the top of the support plate 21; one end of the first spring 23 is fixedly connected to the bottom of the support plate 21; the other end of the first spring 23 is fixedly connected to the inside of the guide groove 2; multiple groups of the first springs 23 are provided at the bottom of the support plate 21, and are evenly distributed. The guide groove 2, the support plate 21, the clamping seat 22 and the first spring 23 are arranged at the bottom of the support plate 21; the side wall of the clamping seat 22 is provided with a clamping assembly; during operation, when cleaning PCB boards of different sizes, both ends of the PCB board are placed in the clamping seat 22, the first spring 23 supports the support plate 21 and the clamping seat 22 to fix the PCB board, and the PCB board is clamped by the clamping assembly; this step fixes PCB boards of different sizes through the arrangement of the guide groove 2, the support plate 21, the clamping seat 22 and the first spring 23, thereby reducing the step of replacing the clamp for fixing PCB boards of different sizes and improving the adaptability of the device when used.

[0025] like Figure 4 and Figure 5 As shown, the clamping assembly includes a push rod 3, a second spring 31, and a rubber pad 32; the push rod 3 slides on the side wall of the clamping seat 22; the push rod 3 is provided in multiple groups on the side wall of the clamping seat 22, and is symmetrically arranged; the second spring 31 is sleeved on the outer side wall of the push rod 3 away from the clamping seat 22; one end of the second spring 31 is fixedly connected to the end of the push rod 3; the other end of the second spring 31 is fixedly connected to the side wall of the clamping seat 22; the rubber pad 32 is fixedly connected to the end of the push rod 3 away from the second spring 31; during operation, the push rod 3 is pulled outward The push rod 3 is moved sideways and the second spring 31 is stretched to place the PCB board in the clamping seat 22. The push rod 3 is released. The second spring 31 drives the push rod 3 and the rubber pad 32 to return to their original position. The rubber pad 32 contacts the PCB board and clamps the PCB board in the clamping seat 22. In this step, the PCB board is clamped in the clamping seat 22 by the arrangement of the push rod 3, the second spring 31 and the rubber pad 32, which increases the stability of the PCB board during cleaning and reduces the possibility of the PCB board falling from the clamping seat 22 and being damaged. The rubber pad 32 reduces the vibration generated during PCB cleaning.

[0026] like Figure 2As shown, the side wall of the first fixing plate 15 is hinged with the second fixing plate 4; the side wall of the second fixing plate 4 close to the guide groove 2 is fixedly connected with a wool brush 41; the wool brushes 41 are arranged in multiple groups on the side wall of the second fixing plate 4, and are evenly distributed on the side wall of the second fixing plate 4; during operation, the second fixing plate 4 is rotated to a suitable position so that the wool brush 41 contacts the PCB board, and when the first fixing plate 15 moves inside the dust removal box 1, it drives the second fixing plate 4 to move, and when moving, the wool brush 41 sweeps off the dust on the surface of the PCB board; this step sweeps off the dust adhered to the surface of the PCB board through the setting of the second fixing plate 4 and the wool brush 41, thereby improving the cleanliness of the surface of the PCB board and reducing the adhesion of dust to the side wall of the PCB board.

[0027] like Figure 5 As shown, a pad 5 is fixedly connected to the middle of the clamping seat 22; the pad 5 is set in the middle of a pair of clamping seats 22; during operation, when the PCB board is placed in the clamping seat 22, the pad 5 contacts the PCB board to cushion the PCB board; in this step, through the setting of the pad 5, the pad 5 contacts the PCB board, so that the PCB board and the clamping seat 22 are in flexible contact, reducing damage to the PCB board.

[0028] like Figure 2 As shown, the side walls of the synchronization plate 13 and the slider 14 are fixedly connected with the dust-proof plate 6; the dust-proof plate 6 slides on the top of the dust removal box 1; during operation, the electric push rod 12 pushes the synchronization plate 13 and the slider 14 to move on the top of the dust removal box 1, driving the dust-proof plate 6 to move on the top of the dust removal box 1; in this step, through the setting of the dust-proof plate 6, the dust-proof plate 6 moves along the synchronization plate 13 and the slider 14 on the top of the dust removal box 1, reducing dust from falling into the inside of the dust removal box 1 and improving the cleanliness of the inside of the dust removal box 1.

[0029] like Figure 2 As shown, the dust removal box 1 is provided with a wet wipe on the inner wall near the dust collecting box 17; during operation, when the nozzle 16 blows air to the PCB board, the blown dust hits the wet wipe and is adhered to the wet wipe, reducing the dust flying in the dust removal box 1.

[0030] During operation, the PCB board is placed in the dust removal box 1, the PCB board is fixed by the fixing component, the nozzle 16 is connected to the compressed air, the first fixing plate 15 is rotated to make the nozzle 16 tilted to blow air toward the PCB board, the electric push rod 12 is turned on, and the electric push rod 12 drives the synchronous plate 13, the slider 14, and the first fixing plate 15 to move. The nozzle 16 blows off the dust adhering to both sides of the PCB board, and the exhaust pipe 18 is connected to the exhaust component to extract the air in the dust removal box 1 to form a negative pressure in the dust removal box 1. The blown dust is sucked into the dust collecting box 17 and the exhaust pipe 18; when cleaning PCB boards of different sizes, both ends of the PCB board are placed in the clamping seat 22, the first spring 23 supports the support plate 21 and the clamping seat 22 to fix the PCB board, and the PCB board is fixed by the clamping assembly. Clamping; pull the top rod 3 to move outward and stretch the second spring 31 to place the PCB board in the clamping seat 22, loosen the top rod 3, and the second spring 31 drives the top rod 3 and the rubber pad 32 to reset. The rubber pad 32 contacts the PCB board and clamps the PCB board in the clamping seat 22; rotate the second fixed plate 4 to a suitable position to make the wool brush 41 contact with the PCB board. When the first fixed plate 15 moves inside the dust removal box 1, it drives the second fixed plate 4 to move. During movement, the wool brush 41 sweeps off the dust on the surface of the PCB board; when the PCB board is placed in the clamping seat 22, the pad 5 contacts the PCB board to buffer the PCB board; when the electric push rod 12 pushes the synchronous plate 13 and the slider 14 to move on the top of the dust removal box 1, it drives the dustproof plate 6 to move on the top of the dust removal box 1.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A PCB board dust cleaning device, comprising a dust removal box (1); characterized in that: The side wall of the dust removal box (1) is fixedly connected to a fixed block (11); the middle of the fixed block (11) is fixedly connected to an electric push rod (12); the transmission end of the electric push rod (12) is fixedly connected to a synchronous plate (13); the side wall of the synchronous plate (13) close to the fixed block (11) is fixedly connected to a slider (14); a pair of sliders (14) are provided on the side wall of the synchronous plate (13) and are symmetrically arranged; the sliders (14) slide on the top of the dust removal box (1); the bottom of the slider (14) is rotated and connected to the A first fixed plate (15) is connected; a nozzle (16) is provided in the middle of the first fixed plate (15); a plurality of groups of the nozzles (16) are provided in the middle of the first fixed plate (15) and are evenly distributed in the middle of the first fixed plate (15); a dust collecting box (17) is fixedly connected to the side wall of the dust collecting box (1) close to the fixed block (11); an exhaust pipe (18) is fixedly connected to the side wall of the dust collecting box (17); the exhaust pipe (18) is externally connected to an exhaust component; and a fixed component is provided inside the dust collecting box (1).

2. A PCB dust cleaning device according to claim 1, characterized in that: The fixing assembly comprises a guide groove (2), a support plate (21), a clamping seat (22), and a first spring (23); the guide groove (2) is fixedly connected to the bottom of the dust removal box (1); a pair of guide grooves (2) are provided inside the dust removal box (1), and are symmetrically arranged; the support plate (21) slides inside the guide groove (2); the bottom of the clamping seat (22) is fixedly connected to the top of the support plate (21); one end of the first spring (23) is fixedly connected to the bottom of the support plate (21); the other end of the first spring (23) is fixedly connected to the inside of the guide groove (2); multiple groups of the first springs (23) are provided at the bottom of the support plate (21), and are evenly distributed at the bottom of the support plate (21); and a clamping assembly is provided on the side wall of the clamping seat (22).

3. The PCB dust cleaning device according to claim 2, characterized in that: The clamping assembly comprises a push rod (3), a second spring (31), and a rubber pad (32); the push rod (3) slides on the side wall of the clamping seat (22); multiple groups of push rods (3) are arranged on the side wall of the clamping seat (22), and are symmetrically arranged; the second spring (31) is sleeved on the outer side wall of the push rod (3) away from the clamping seat (22); one end of the second spring (31) is fixedly connected to the end of the push rod (3); the other end of the second spring (31) is fixedly connected to the side wall of the clamping seat (22); and the rubber pad (32) is fixedly connected to the end of the push rod (3) away from the second spring (31).

4. The PCB dust cleaning device according to claim 3, characterized in that: The side wall of the first fixing plate (15) is hingedly connected to the second fixing plate (4); the side wall of the second fixing plate (4) close to the guide groove (2) is fixedly connected to a wool brush (41); multiple groups of the wool brushes (41) are arranged on the side wall of the second fixing plate (4) and are evenly distributed on the side wall of the second fixing plate (4).

5. The PCB dust cleaning device according to claim 4, characterized in that: A cushion block (5) is fixedly connected to the middle of the clamping seat (22); the cushion block (5) is arranged in the middle of a pair of clamping seats (22).

6. The PCB dust cleaning device according to claim 5, characterized in that: The side walls of the synchronization plate (13) and the slider (14) are both fixedly connected with a dustproof plate (6); the dustproof plate (6) slides on the top of the dust removal box (1).

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