Automatic cleaning equipment for circuit board

Abstract

The utility model discloses automatic cleaning equipment for a circuit board, relates to the technical field of circuit board cleaning, and aims to solve the problems that a gold-plated layer on the surface of the circuit board is washed out after the existing waste circuit board is crushed, and the gold-plated layer on the traditional circuit board is directly put into a cleaning tank to be cleaned after being contained by a net bag, so that the cleaning efficiency is high. In order to solve the problems that in the cleaning process, a worker needs to continuously shake a net bag, a circuit board in the net bag can make full contact with liquid, so that a gold layer is more effectively washed out, and liquid is inevitably splashed out in the shaking process, and certain harm is caused to the human body, the cleaning device comprises a cleaning bin and an equipment fixing plate, and the equipment fixing plate is located above the cleaning bin; the cleaning device further comprises a cleaning tank, the cleaning tank is integrally formed in the cleaning bin, the upper end of the cleaning tank is open, supports are symmetrically arranged at the bottom of the equipment fixing plate, a gear motor is arranged at the upper end of the equipment fixing plate, and the gear motor is connected and fixed through bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board cleaning, in particular to an automatic circuit board cleaning device. Background Technique

[0002] Waste circuit boards usually first undergo pretreatment processes such as crushing, sorting, incineration, and high-temperature pyrolysis to separate metal substances such as copper from waste plastics and waste resins, and then the metal substances are subjected to pyrometallurgy or hydrometallurgy to recover copper, precious metals, etc.

[0003] After the waste circuit board is crushed, the gold-plated layer on the circuit board surface will be washed out. After the gold layer on the traditional circuit board is loaded into a net bag and directly placed in a cleaning tank for cleaning, during the cleaning process, personnel are required to continuously shake the net bag so that the circuit boards in the net bag can fully contact the liquid, so that the gold layer can be more effectively washed out. Inevitably, some liquid will splash out during the shaking process, causing certain harm to the human body; therefore, we propose an automatic circuit board cleaning device to solve the problems mentioned above. Content of the Utility Model

[0004] The purpose of the utility model is to provide an automatic circuit board cleaning device to solve the problem that after the waste circuit board is crushed, the gold-plated layer on the circuit board surface will be washed out. After the gold layer on the traditional circuit board is loaded into a net bag and directly placed in a cleaning tank for cleaning, during the cleaning process, personnel are required to continuously shake the net bag so that the circuit boards in the net bag can fully contact the liquid, so that the gold layer can be more effectively washed out. Inevitably, some liquid will splash out during the shaking process, causing certain harm to the human body.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an automatic circuit board cleaning device, including a cleaning bin and a device fixing plate, and the device fixing plate is located above the cleaning bin;

[0006] It further includes:

[0007] A cleaning tank, which is integrally formed inside the cleaning bin, and the upper end of the cleaning tank is open. Symmetrically arranged brackets are provided at the bottom of the device fixing plate, and a reduction motor is arranged at the upper end of the device fixing plate and is connected and fixed by bolts. A driving sprocket is arranged on the left side of the reduction motor, and the reduction motor drives the driving sprocket to rotate. A roller is arranged between the two brackets, and connecting rods are symmetrically arranged at both ends of the roller. A driven sprocket is arranged on the left side of the roller, and the driven sprocket is located outside the left bracket, and the driven gear is engaged with the left connecting rod. The driving sprocket and the driven sprocket are connected by a chain for transmission, and the roller rotates through the transmission of the sprocket and the chain. An inlet and outlet cover plate is arranged on one side of the outside of the roller, and the inlet and outlet cover plate is opened and closed through a connecting piece.

[0008] Preferably, a bearing seat is provided in the middle of the bracket, the connecting rod is connected to the bearing seat, and the roller rotates through the bearing seat.

[0009] Preferably, a number of through holes are evenly distributed on the surface of the roller.

[0010] Preferably, a connecting plate is provided at the bottom between the roller and the feeding and discharging cover plate, and the connecting plate is fixed inside the roller by bolts. The feeding and discharging cover plate is connected and fixed to the connecting plate through a locking nut. The locking nut is movably engaged outside the feeding and discharging cover plate, and the locking nut is threadedly connected to the connecting plate.

[0011] Preferably, fixing frames are symmetrically provided at both ends outside the cleaning chamber. A screw rod is provided inside the left fixing frame. The upper end of the screw rod is connected to a driving motor. An installation frame is provided at the bottom of the bracket, and the upper end of the installation frame is threadedly connected to the screw rod.

[0012] Preferably, a sliding rod is provided inside the right fixing frame. The bottom of the sliding rod is fixed to the upper right side of the cleaning chamber, and the upper end of the installation frame on the right is slidably engaged and connected to the sliding rod.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. An equipment fixing plate is provided at the upper end of the roller. Brackets are provided at the bottoms of both ends of the equipment fixing plate. The roller is installed between the two brackets through a bearing seat. A speed reduction motor is provided at the upper end of the equipment fixing plate. A driving sprocket is provided outside the speed reduction motor. A driven sprocket is provided outside the roller. The driving sprocket and the driven sprocket are driven by a chain, so as to drive the roller to rotate, enabling the roller to fully brush the circuit board. A number of through holes are provided on the surface of the roller, facilitating the cleaning liquid to penetrate into the inside of the roller to brush the circuit board. The whole process does not require manual shaking, which can save labor costs and ensure the safety of the staff.

[0015] 2. By providing a screw rod and a sliding rod at the upper end of the cleaning chamber, the equipment fixing mechanism and the roller are fixed on the screw rod through the installation frame. The rotation of the screw rod drives the roller to lift, so that the roller can be lowered to drive the circuit board to immerse into the inside of the cleaning chamber, facilitating the cleaning of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the internal front view of the overall structure of the present utility model;

[0017] Figure 2 is the top view of the roller and the driving structure of the present utility model;

[0018] Figure 3 It is a side cross-sectional view of the drum of the utility model;

[0019] In the figure: 1. reduction motor; 2. equipment fixing plate; 3. cleaning chamber; 4. cleaning tank; 5. bracket; 6. bearing seat; 7. connecting rod; 8. roller; 9. through hole; 10. inlet and outlet cover plate; 11. connecting piece; 12. locking nut; 13. connecting plate; 14. driving sprocket; 15. driven sprocket; 16. chain; 17. fixing frame; 18. driving motor; 19. screw; 20. mounting frame; 21. sliding rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figures 1-3 , the utility model provides an embodiment: an automatic circuit board cleaning device, comprising a cleaning chamber 3 and a device fixing plate 2, the device fixing plate 2 is located above the cleaning chamber 3;

[0022] Also includes:

[0023] A cleaning tank 4 is integrally formed and arranged inside the cleaning bin 3, and the upper end of the cleaning tank 4 is open. A bracket 5 is symmetrically arranged at the bottom of the equipment fixing plate 2. A reduction motor 1 is arranged at the upper end of the equipment fixing plate 2, and the reduction motor 1 is connected and fixed by bolts. A driving sprocket 14 is arranged on the left side of the reduction motor 1, and the reduction motor 1 drives the driving sprocket 14 to rotate. A roller 8 is arranged between the two brackets 5, and connecting rods 7 are symmetrically arranged at both ends of the roller 8. A driven sprocket 15 is arranged on the left side of the roller 8, and the driven sprocket 15 is located on the outside of the left bracket 5, and the driven gear is engaged with the connecting rod 7 on the left side. The driving sprocket 14 and the driven sprocket 15 are connected by a chain 16, and the roller 8 is rotated by the transmission of the sprocket and the chain 16. An inlet and outlet cover plate 10 is arranged on the outer side of the roller 8, and the inlet and outlet cover plate 10 is opened and closed by a connecting piece 11.

[0024] A reduction motor 1 is arranged at the upper end of the equipment fixing plate 2, a driving sprocket 14 is arranged on the outer side of the reduction motor 1, and a driven sprocket 15 is arranged on the outer side of the drum 8. The driving sprocket 14 and the driven sprocket 15 are transmitted through a chain 16, which can drive the drum 8 to rotate, so that the drum 8 can fully rotate the circuit board to facilitate cleaning.

[0025] See also Figure 2, a bearing seat 6 is provided in the middle of the bracket 5, the connecting rod 7 is connected to the bearing seat 6, and the roller 8 rotates through the bearing seat 6, facilitating the rotation of the roller 8.

[0026] Please refer to Figure 2 , a number of through holes 9 are evenly distributed on the surface of the roller 8, facilitating the cleaning liquid to enter the inside of the roller 8.

[0027] Please refer to Figure 3 , a connecting plate 13 is provided at the bottom between the roller 8 and the feeding and discharging cover plate 10, and the connecting plate 13 is fixed inside the roller 8 by bolts. The feeding and discharging cover plate 10 and the connecting plate 13 are connected and fixed by a locking nut 12. The locking nut 12 is movably engaged outside the feeding and discharging cover plate 10, and the locking nut 12 is threadedly connected to the connecting plate 13 for locking the feeding and discharging cover plate 10.

[0028] Please refer to Figure 1 , fixing frames 17 are symmetrically provided at both outer ends of the cleaning chamber 3. A screw rod 19 is provided inside the left fixing frame 17. The upper end of the screw rod 19 is connected to a driving motor 18. An installation frame 20 is provided at the bottom of the bracket 5, and the upper end of the installation frame 20 is threadedly connected to the screw rod 19 for driving the roller 8 to move up and down.

[0029] Please refer to Figure 1 , a slide rod 21 is provided inside the right fixing frame 17. The bottom of the slide rod 21 is fixed to the upper right side of the cleaning chamber 3, and the upper end of the right installation frame 20 is slidably engaged with the slide rod 21, which can stably assist the roller 8 to move up and down.

[0030] Working principle: Open the feeding and discharging cover plate 10, place the broken circuit board in the roller 8. After the roller 8 is full, close the feeding and discharging cover plate 10 and tighten the locking nut 12. Then start the driving motor 18 to drive the screw rod 19 to rotate, so that the roller 8 descends into the cleaning tank 4. Start the reduction motor 1 to drive the roller 8 to rotate. The gold-plated layer on the surface of the circuit board in the roller 8 is in full contact with the solution in the cleaning tank 4. After dissolving and cleaning for a period of time, the gold-plated layer on the surface of the circuit board completely falls off. Take out the cleaning equipment from the cleaning tank 4, open the feeding and discharging cover plate 10, take out the cleaned circuit board in the cylinder, reload the new circuit board, and repeat the above cleaning work again.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. An automatic circuit board cleaning device, comprising a cleaning chamber (3) and a device fixing plate (2), wherein the device fixing plate (2) is located above the cleaning chamber (3); Features: Also includes: A cleaning tank (4) is integrally formed and arranged inside a cleaning chamber (3), and the upper end of the cleaning tank (4) is open-ended; a bracket (5) is symmetrically arranged at the bottom of the equipment fixing plate (2); a reduction motor (1) is arranged at the upper end of the equipment fixing plate (2), and the reduction motor (1) is connected and fixed by bolts; a driving sprocket (14) is arranged on the left side of the reduction motor (1), and the reduction motor (1) drives the driving sprocket (14) to rotate; a roller (8) is arranged between the two brackets (5), and the two ends of the roller (8) are symmetrical. A connecting rod (7) is provided, a driven sprocket (15) is provided on the left side of the roller (8), the driven sprocket (15) is located outside the left bracket (5), and the driven gear is engaged with the connecting rod (7) on the left side, the driving sprocket (14) and the driven sprocket (15) are connected by a chain (16), and the roller (8) is rotated by the transmission of the sprocket and the chain (16), and an inlet and outlet cover plate (10) is provided on one side of the outside of the roller (8), and the inlet and outlet cover plate (10) is opened and closed by a connecting piece (11).

2. The automatic circuit board cleaning device according to claim 1, characterized in that: A bearing seat (6) is provided in the middle of the bracket (5), a connecting rod (7) is connected to the bearing seat (6), and the roller (8) rotates via the bearing seat (6).

3. The automatic circuit board cleaning device according to claim 1, characterized in that: The surface of the drum (8) is provided with a plurality of evenly distributed through holes (9).

4. The automatic circuit board cleaning device according to claim 1, characterized in that: A connecting plate (13) is provided at the bottom between the drum (8) and the inlet and outlet cover plate (10), and the connecting plate (13) is fixed to the inner side of the drum (8) by means of bolts. The inlet and outlet cover plate (10) and the connecting plate (13) are connected and fixed by means of a locking nut (12), the locking nut (12) is movably engaged with the outside of the inlet and outlet cover plate (10), and the locking nut (12) and the connecting plate (13) are threadedly connected.

5. The automatic circuit board cleaning device according to claim 1, characterized in that: Fixed frames (17) are symmetrically arranged at both ends of the outside of the cleaning chamber (3); a screw rod (19) is arranged on the inner side of the left fixed frame (17); the upper end of the screw rod (19) is connected to a driving motor (18); a mounting frame (20) is arranged at the bottom of the bracket (5); and the upper end of the mounting frame (20) is threadedly connected to the screw rod (19).

6. The automatic circuit board cleaning device according to claim 5, characterized in that: A slide bar (21) is provided on the inner side of the fixing frame (17) on the right side. The bottom of the slide bar (21) is fixed to the right side of the upper end of the cleaning chamber (3). The upper end of the mounting frame (20) on the right side is slidably engaged with the slide bar (21).

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