Flushing device for PCB processing

Abstract

The utility model discloses a flushing device for processing a PCB (Printed Circuit Board), which comprises a flushing box, an overturning part for flushing two surfaces of the PCB and a flushing part for cleaning the PCB, the overturning part comprises a motor connected with the top in the flushing box, a rotating shaft connected with the output end of the motor, a protective cylinder arranged on the outer side of the rotating shaft in a sleeving mode, a plurality of first bevel gears evenly arranged on the outer side of the rotating shaft, second bevel gears connected with the two sides of the first bevel gears correspondingly, and rotating rods connected with the second bevel gears; through the arrangement of the flushing box and the overturning part, the problems that although an existing flushing device can flush a PCB, the PCB is cleaned through an ultrasonic generator and other structures, the ultrasonic generator is damaged in the later period and needs to be maintained by a specially-assigned person, and the cleaning efficiency is high are solved. Therefore, the use and maintenance cost is relatively high, and the practicability is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board flushing equipment, in particular to a flushing device for PCB board processing. Background Art

[0002] PCB board, whose Chinese name is printed circuit board, also known as printed circuit board or printed circuit board, is a very important component in electronic equipment. Its main function is to connect electronic components. During the soldering process, PCB board is prone to residual impurities, and it is necessary to use a flushing device to flush the impurities.

[0003] The existing patent CN212681886U discloses a flushing device for PCB board processing, which belongs to the technical field of PCB board manufacturing, and includes: a bracket; an ultrasonic flushing unit, the ultrasonic flushing unit includes a shell and a cleaning tank, the shell is arranged on the upper end surface of the bottom of the bracket; the cleaning tank is arranged inside the shell; a plurality of ultrasonic generators are arranged on the side wall of the cleaning tank; a mounting rod, one end of the mounting rod is provided with a storage net frame, the storage net frame is arranged inside the cleaning tank, the other end of the mounting rod extends to the outside of the shell, and a fixed seat is arranged at its end, and the fixed seat is slidably connected to the bracket through a connecting rod; a driving device is arranged on the fixed seat for driving the mounting rod to rotate; a lifting unit is arranged on the bracket; the lifting unit cooperates with the connecting rod; a drying unit includes a fan and an air nozzle. The utility model has a simple structure and strong applicability, and can directly dry the PCB board after washing, without moving it to another process for drying, and the surrounding processing environment will not be affected during the drying process.

[0004] Based on the search of the above patents and in combination with the flushing devices in the prior art, it is found that although the existing flushing devices can flush the PCB boards, they use structures such as ultrasonic generators to clean the PCB boards. Later, the ultrasonic generators are damaged and need to be repaired by special personnel, which leads to relatively high maintenance costs and reduced practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a flushing device for PCB board processing, so as to solve the problem that although the existing flushing device proposed in the above background technology can flush the PCB board, it uses structures such as an ultrasonic generator to clean the PCB board. Later, the ultrasonic generator is damaged and needs to be repaired by a dedicated person, which leads to relatively high maintenance costs and reduced practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flushing device for PCB board processing, comprising a flushing box, a flip component for flushing both sides of the PCB board and a flushing component for cleaning the PCB board, the flip component comprising a motor connected to the top of the flushing box, a rotating shaft connected to the output end of the motor, a protective cylinder sleeved on the outer side of the rotating shaft, a plurality of first bevel gears arranged evenly on the outer side of the rotating shaft, second bevel gears respectively connected to both sides of the first bevel gear, a rotating rod connected to the second bevel gear, a vertical plate connected to one side of the rotating rod, a slide groove opened on one side of the vertical plate, sliders respectively arranged on both sides of the slide groove, a fixed frame connected to one side of the slider and a first spring arranged between the slider and the slide groove, the rotating shaft is rotatably connected to the flushing box, the rotating rod is rotatably connected to the protective cylinder, the first bevel gear and the second bevel gear are meshed, and the slider is slidably connected to the slide groove.

[0007] Preferably, the flushing component includes a liquid storage tank connected to the top of the flushing box, water outlet pipes respectively connected to both sides of the liquid storage tank, a water pump connected to the water outlet pipe, a first drain pipe connected to one side of the water pump, a plurality of second drain pipes evenly arranged on one side of the first drain pipe, a plurality of nozzles evenly arranged at the bottom of the second drain pipe, and a heating component for drying the PCB board, the water outlet pipe is connected to the liquid storage tank, the second drain pipe is connected to the first drain pipe, and the second drain pipe passes through the flushing box and extends into the flushing box.

[0008] Preferably, a fixing rod is fixedly connected in the sliding groove, a through opening is opened on the sliding block, and the fixing rod is slidably connected to the through opening.

[0009] Preferably, the heating component includes a heating box connected to the bottom of the flushing box, a plurality of electric heating wires evenly arranged in the heating box, an air inlet pipe connected to one side of the heating box, a fan connected to the air inlet pipe, a first air outlet pipe respectively connected to both sides of the bottom of the flushing box, a second air outlet pipe connected to the top of the first air outlet pipe, and a plurality of nozzles evenly arranged at the top of the second air outlet pipe, and the air inlet pipe is connected to the heating box.

[0010] Preferably, a plurality of evenly arranged first sewage leakage openings are respectively provided on the front and rear sides of the fixing frame, and a plurality of evenly arranged second sewage leakage openings are respectively provided on the left and right sides of the fixing frame.

[0011] Preferably, one side of the lower portion of the flushing box is fixedly connected to a sewage pipe, and a control valve is installed on the sewage pipe.

[0012] Preferably, the top of the liquid storage tank is fixedly connected to a liquid adding pipe, and a piston is provided on the top of the liquid adding pipe.

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

[0014] 1. By setting a flushing box and a flip component, the motor can drive the rotating shaft to rotate, the rotating shaft can drive multiple first bevel gears to rotate, and then drive multiple second bevel gears to rotate, and then drive the rotating rod to rotate. The PCB board can be fixed between the two fixed frames. Under the push of the first spring, the PCB board can be prevented from falling. The rotating rod can drive the fixed frame and the PCB board to rotate, which can facilitate flushing of both sides of the PCB board, improve the flushing effect, and reduce the use and maintenance costs, greatly improving the practicality of the device;

[0015] 2. By providing a flushing component, the water pump can extract the cleaning liquid in the liquid storage tank, and then discharge it into multiple second drain pipes through the first drain pipe. The cleaning liquid in the second drain pipe is sprayed out through the nozzle to flush the PCB board. After flushing, it can be dried simultaneously, which can improve the flushing and drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0017] Figure 2 A left side view provided for the utility model;

[0018] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 The utility model provides Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1, flushing box; 21, motor; 22, rotating shaft; 23, protective tube; 24, first bevel gear; 25, second bevel gear; 26, rotating rod; 27, vertical plate; 28, slide groove; 29, slider; 30, fixed frame; 31, first spring; 41, liquid storage tank; 42, water outlet pipe; 43, water pump; 44, first drain pipe; 45, second drain pipe; 46, nozzle; 51, fixed rod; 52, through port; 61, heating box; 62, heating wire; 63, air inlet pipe; 64, fan; 65, first air outlet pipe; 66, second air outlet pipe; 67, nozzle; 71, first sewage outlet; 72, second sewage outlet; 81, sewage outlet pipe; 82, control valve; 91, liquid adding pipe; 92, piston. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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 in 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The utility model provides a technical solution: a flushing device for PCB board processing, comprising a flushing box 1, a flip component for flushing both sides of the PCB board and a flushing component for cleaning the PCB board, the flip component comprising a motor 21 connected to the top of the flushing box 1, a rotating shaft 22 connected to the output end of the motor 21, a protective cylinder 23 sleeved on the outside of the rotating shaft 22, a plurality of first bevel gears 24 arranged evenly on the outside of the rotating shaft 22, second bevel gears 25 respectively connected to both sides of the first bevel gear 24, and a rotating shaft 23 connected to the second bevel gear 23. The movable rod 26, the vertical plate 27 connected to one side of the rotating rod 26, the slide groove 28 opened on one side of the vertical plate 27, the sliders 29 respectively arranged on both sides of the slide groove 28, the fixed frame 30 connected to one side of the slider 29 and the first spring 31 arranged between the slider 29 and the slide groove 28, the rotating shaft 22 is rotatably connected to the flushing box 1, the rotating rod 26 is rotatably connected to the protective tube 23, the first bevel gear 24 and the second bevel gear 25 are meshed, the slider 29 is slidably connected to the slide groove 28, the motor 21 can drive the rotating shaft 22 to rotate, and the rotation of the rotating shaft 22 can drive multiple first bevel gears The gear 24 rotates, the first bevel gear 24 can drive the second bevel gear 25 to rotate, the second bevel gear 25 can drive the rotating rod 26 to rotate, the rotating rod 26 can drive the fixed frame 30 to rotate, the fixed frame 30 can drive the slider 29 to move, so that the first spring 31 is deformed, and the thrust generated by the deformation of the first spring 31 can be used to fix the PCB board between the two fixed frames 30, and the rotation of the fixed frame 30 can drive the PCB board to rotate, so that the PCB board can be easily rinsed and dried. The rod 51 and the slider 29 are provided with a through hole 52, and the fixed rod 51 is slidably connected with the through hole 52. The fixed rod 51 can support and guide the slider 29 to prevent the slider 29 from tilting, thereby ensuring the stability of the up and down movement of the fixed frame 30. The front and rear sides of the fixed frame 30 are respectively provided with a plurality of evenly arranged first sewage leakage ports 71, and the left and right sides of the fixed frame 30 are respectively provided with a plurality of evenly arranged second sewage leakage ports 72. The first sewage leakage ports 71 and the second sewage leakage ports 72 can facilitate the discharge of impurities on the PCB board and prevent impurities from accumulating in the fixed frame 30.

[0023] See also Figure 1 , Figure 2 as well as Figure 3 The flushing component includes a liquid storage tank 41 connected to the top of the flushing box 1, a water outlet pipe 42 connected to both sides of the liquid storage tank 41, a water pump 43 connected to the water outlet pipe 42, a first drain pipe 44 connected to one side of the water pump 43, a plurality of second drain pipes 45 evenly arranged on one side of the first drain pipe 44, a plurality of nozzles 46 evenly arranged at the bottom of the second drain pipe 45, and a heating component for drying the PCB board. The water outlet pipe 42 is connected to the liquid storage tank 41, the second drain pipe 45 is connected to the first drain pipe 44, and the second drain pipe 45 runs through the flushing box 1. The second drain pipe 45 is located above the fixing frame 30. The water pump 43 is started to extract the cleaning liquid in the liquid storage tank 41, and then discharges it into the second drain pipe 45 through the first drain pipe 44, and then can be sprayed out through the nozzle 46, so that the PCB board can be washed. The PCB board can be turned over, and then both sides of the PCB board can be washed, so that the PCB board can be fully washed. The heating component includes a heating box 61 connected to the bottom of the washing box 1, a plurality of electric heating wires 62 evenly arranged in the heating box 61, and an inlet connected to one side of the heating box 61. The air pipe 63, the fan 64 connected to the air inlet pipe 63, the first air outlet pipe 65 connected to the two sides of the bottom of the flushing box 1 respectively, the second air outlet pipe 66 connected to the top of the first air outlet pipe 65, and the plurality of nozzles 67 arranged evenly on the top of the second air outlet pipe 66. The air inlet pipe 63 is connected to the heating box 61, and the fixing frame 30 can be rotated to a vertical state. At this time, the PCB board is also in a vertical state. The electric heating wire 62 is powered to heat the air. The fan 64 can push the heated air into the second air outlet pipe 66 through the first air outlet pipe 65, and then pass through the nozzle 67. Spraying out, and then the PCB board can be quickly dried, which can improve the drying efficiency. A sewage pipe 81 is fixedly connected to one side of the lower part of the flushing box 1, and a control valve 82 is installed on the sewage pipe 81. The control valve 82 can be opened to facilitate the discharge of impurities and sewage in the flushing box 1 to prevent them from accumulating in the flushing box 1 and polluting the flushing box 1. A liquid adding pipe 91 is fixedly connected to the top of the liquid storage tank 41, and a piston 92 is provided on the top of the liquid adding pipe 91. The liquid adding pipe 91 can facilitate the addition of cleaning liquid to the liquid storage tank 41, and the piston 92 can close the liquid adding pipe 91 to prevent impurities from entering the liquid storage tank 41.

[0024] Working principle: During operation, multiple PCB boards are fixed into the fixing frame 30, and the two fixing frames 30 can drive the slider 29 to move. The movement of the slider 29 can drive the first spring 31 to deform. The reaction force generated by the deformation of the first spring 31 can push the fixing frame 30 to clamp and fix the PCB board. Then the piston 92 is removed, and then the cleaning liquid is added into the liquid storage tank 41. Then the water pump 43 is started. The water pump 43 draws the cleaning liquid out through the outlet pipe 42, and then it can be discharged into the first drain pipe 44 and the second drain pipe 45, and then it can be sprayed out through the nozzle 46 to wash away the impurities on the PCB board. Then the motor 21 is started. The motor 21 can drive the shaft 22 to rotate. The rotation of the shaft 22 can drive the first bevel gear 24 to rotate. The rotation of the first bevel gear 24 can drive the second bevel gear 25 to rotate. The rotation of the second bevel gear 25 can drive the rotating rod 26 to rotate, and the rotation of the rotating rod 26 can drive the fixed frame 30 to rotate. The rotation of the fixed frame 30 can drive the PCB board to rotate, and then the other side of the PCB board can be rinsed. After the rinsing is completed, the water pump 43 is turned off, and then the heating wire 62 is energized, and then the motor 21 is started to rotate the fixed frame 30 to a vertical state. At this time, the PCB board is also in a vertical state. The heating wire 62 is energized to heat the air, and the fan 64 is started. The fan 64 can push the heated air into the second air outlet pipe 66 through the first air outlet pipe 65, and then it can be sprayed out through the nozzle 67, so that the PCB board can be quickly dried. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flushing device for PCB processing, comprising a flushing box (1), a turning component for flushing both sides of the PCB, and a flushing component for cleaning the PCB. Features: The turning component comprises a motor (21) connected to the top of the flushing box (1), a rotating shaft (22) connected to the output end of the motor (21), a protective tube (23) sleeved on the outside of the rotating shaft (22), a plurality of first bevel gears (24) arranged evenly on the outside of the rotating shaft (22), second bevel gears (25) respectively connected to both sides of the first bevel gears (24), a rotating rod (26) connected to the second bevel gears (25), a vertical plate (27) connected to one side of the rotating rod (26), and a plurality of first bevel gears (24) arranged on the outside of the rotating shaft (22). The invention relates to a sliding groove (28) on one side of the washing box (27), sliding blocks (29) respectively arranged on both sides of the sliding groove (28), a fixing frame (30) connected to one side of the sliding block (29), and a first spring (31) arranged between the sliding block (29) and the sliding groove (28); the rotating shaft (22) is rotationally connected to the washing box (1); the rotating rod (26) is rotationally connected to the protective tube (23); the first bevel gear (24) is meshed with the second bevel gear (25); and the sliding block (29) is slidably connected to the sliding groove (28).

2. A flushing device for PCB board processing according to claim 1, Features: The flushing component comprises a liquid storage tank (41) connected to the top of the flushing box (1), a water outlet pipe (42) respectively connected to both sides of the liquid storage tank (41), a water pump (43) connected to the water outlet pipe (42), a first drainage pipe (44) connected to one side of the water pump (43), a plurality of second drainage pipes (45) evenly arranged on one side of the first drainage pipe (44), a plurality of nozzles (46) evenly arranged on the bottom of the second drainage pipe (45), and a heating component for drying the PCB board. The water outlet pipe (42) is connected to the liquid storage tank (41), the second drainage pipe (45) is connected to the first drainage pipe (44), and the second drainage pipe (45) passes through the flushing box (1) and extends into the flushing box (1).

3. A PCB processing flushing device according to claim 1, Features: A fixing rod (51) is fixedly connected in the sliding groove (28), a through opening (52) is provided on the sliding block (29), and the fixing rod (51) is slidably connected to the through opening (52).

4. A flushing device for PCB board processing according to claim 2, Features: The heating component comprises a heating box (61) connected to the bottom of the flushing box (1), a plurality of electric heating wires (62) evenly arranged in the heating box (61), an air inlet pipe (63) connected to one side of the heating box (61), a fan (64) connected to the air inlet pipe (63), a first air outlet pipe (65) respectively connected to both sides of the bottom of the flushing box (1), a second air outlet pipe (66) connected to the top of the first air outlet pipe (65), and a plurality of nozzles (67) evenly arranged at the top of the second air outlet pipe (66); the air inlet pipe (63) is connected to the heating box (61).

5. A flushing device for PCB processing according to claim 1, Features: The front and rear sides of the fixed frame (30) are respectively provided with a plurality of evenly arranged first sewage leakage openings (71), and the left and right sides of the fixed frame (30) are respectively provided with a plurality of evenly arranged second sewage leakage openings (72).

6. A flushing device for PCB processing according to claim 1, Features: A sewage discharge pipe (81) is fixedly connected to one side of the lower portion of the flushing box (1), and a control valve (82) is installed on the sewage discharge pipe (81).

7. A PCB processing flushing device according to claim 2, Features: The top of the liquid storage tank (41) is fixedly connected to a liquid adding pipe (91), and the top of the liquid adding pipe (91) is provided with a piston (92).

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