Welding oil cleaning device for circuit board production

Abstract

The utility model is applicable to the technical field of circuit board cleaning, and provides a welding oil cleaning device for circuit board production, which comprises a cleaning box, a lifting assembly, a cleaning assembly and a circulating discharge assembly, the upper end of the cleaning box is fixedly connected with a mounting plate, the lifting assembly comprises a motor, the end face of the motor is connected with an output shaft, the outer wall face of the output shaft is provided with a crankshaft connecting rod, the end face of the crankshaft connecting rod is fixedly connected with a lifting plate, the end face of the lifting plate is provided with a cleaning hole, and the outer wall face of the lifting plate is fixedly connected with a cleaning supporting block. The cleaning assembly comprises a cleaning frame, the outer wall surface of the cleaning frame is fixedly connected with a cleaning shaft, through the arrangement of the cleaning box, the lifting assembly, the cleaning assembly and the fixing box, the circuit boards do not need to be stacked together to be cleaned, power is applied to a lifting plate, the lifting plate slowly does reciprocating linear motion, and the cleaning efficiency is improved. And through the flowing impact force of the cleaning agent and the acting force of the cleaning brush, the cleaning effect on residual welding oil on the surface of the circuit board is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board cleaning, in particular to a soldering oil cleaning device used in circuit board production. Background Art

[0002] The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. Solder oil, also known as flux or soldering flux, is an auxiliary material used in the welding process. It is mainly composed of detergent, activator and solvent. It is used to remove oxides and impurities on the metal surface, thereby reducing the surface tension during welding and improving the welding quality. Solder oil plays a vital role in the welding process, including soldering, protecting the molten pool and enhancing the strength and sealing of the weld. After the circuit board is welded, the residual solder oil on the surface needs to be cleaned.

[0003] In the prior art, the circuit boards are stacked together and then the residual solder oil on the surface of the circuit boards is cleaned with a cleaning agent, which results in incomplete cleaning of the solder oil and affects signal transmission when the circuit boards are used. Utility Model Content

[0004] The purpose of the utility model is to provide a solder oil cleaning device for circuit board production, aiming to solve the problem that the existing technology stacks the circuit boards together and then uses a cleaning agent to clean the residual solder oil on the surface of the circuit boards, which leads to incomplete solder oil cleaning and affects the signal transmission when the circuit boards are used.

[0005] The cleaning roller is connected to the cleaning roller and the cleaning brush is provided on the outer wall of the cleaning roller, and the cleaning roller is connected to the cleaning roller by the cleaning roller.

[0006] Preferably, a cleaning chute is provided on the inner wall surface of the cleaning box, a first sealing plate and a second sealing plate are clamped on the outer wall surface of the cleaning box, and the outer wall surfaces of the first sealing plate and the second sealing plate are both provided with a disassembly handle groove.

[0007] Preferably, the outer wall surface of the motor is fixedly connected to the mounting plate, the free end of the lifting plate is fixedly connected to a hollow column and a support spring, the end face of the support spring is fixedly connected to a fixed column, the outer wall surface of the fixed column is slidingly connected to the hollow column and the end face of the fixed column is fixedly connected to a pressing plate.

[0008] Preferably, the end face of the cleaning frame is fixedly connected to the cleaning box, the shape of the cleaning frame is L-shaped, the cleaning roller is rotatably connected to the cleaning frame through a cleaning shaft, and the size of the cleaning roller is smaller than the size of the cleaning hole.

[0009] Preferably, a fixing box is inserted into the outer wall of the lifting plate, the outer wall of the fixing box is provided with holes for cleaning solder oil of the circuit board, and the inner wall of the fixing box is provided with a fixing groove for clamping the circuit board.

[0010] Preferably, the free end of the delivery pump is fixedly connected to the cleaning box, the outer wall of the return pipe is fixedly connected to the cleaning box, the inner wall of the filter is provided with an activated carbon filter plate and filter cotton, and the end face of the filter is clamped with a sealing cover.

[0011] The utility model provides a solder oil cleaning device for circuit board production. By arranging a cleaning box, a lifting component, a cleaning component and a fixed box, it is possible to achieve cleaning without stacking the circuit boards together. By applying power to the lifting plate to make it slowly perform reciprocating linear motion, the impact force of the flow of the cleaning agent and the force of the cleaning brush can effectively clean the solder oil remaining on the surface of the circuit board. By arranging a circulating discharge component, it is possible to circulate the cleaning agent inside the cleaning box, thereby filtering and separating the solder oil in the cleaning agent, thereby increasing the cleaning effect on the circuit board and facilitating the processing of the cleaning agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional schematic diagram of a soldering oil cleaning device for circuit board production provided by an embodiment of the present utility model;

[0013] Figure 2 A side cross-sectional view of a soldering oil cleaning device for circuit board production provided by an embodiment of the present utility model;

[0014] Figure 3 This is a front cross-sectional view of a soldering oil cleaning device for circuit board production provided by an embodiment of the present utility model.

[0015] In the accompanying drawings: 1. Cleaning box; 101. Cleaning chute; 102. First sealing plate; 103. Second sealing plate; 2. Mounting plate; 3. Lifting assembly; 31. Motor; 32. Output shaft; 33. Crankshaft connecting rod; 34. Lifting plate; 35. Cleaning hole; 36. Cleaning support block; 4. Cleaning assembly; 41. Cleaning rack; 42. Cleaning shaft; 43. Cleaning roller; 44. Cleaning brush; 5. Hollow column; 6. Support spring; 7. Fixed column; 8. Pressing plate; 9. Fixed box; 91. Hole; 92. Fixed groove; 10. Circulation discharge assembly; 11. Delivery pump; 12. Three-way valve; 13. Reflux pipe; 14. Filter; 15. Liquid extraction pipe. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0017] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0018] like Figures 1 to 3 As shown, a soldering oil cleaning device for circuit board production provided by an embodiment of the present invention includes a cleaning box 1, a lifting assembly 3, a cleaning assembly 4 and a circulating discharge assembly 10; the upper end of the cleaning box 1 is fixedly connected to a mounting plate 2, the lifting assembly 3 includes a motor 31, the end face of the motor 31 is connected to an output shaft 32, the outer wall surface of the output shaft 32 is mounted with a crankshaft connecting rod 33, the end face of the crankshaft connecting rod 33 is fixedly connected to a lifting plate 34, the end face of the lifting plate 34 is provided with a cleaning hole 35 and the outer wall surface of the lifting plate 34 is fixedly connected There is a cleaning support block 36, the cleaning component 4 includes a cleaning frame 41, the outer wall of the cleaning frame 41 is fixedly connected to the cleaning shaft 42, the outer wall of the cleaning shaft 42 is rotatably connected to the cleaning roller 43, and the outer wall of the cleaning roller 43 is provided with a cleaning brush 44. The circulating discharge component 10 includes a delivery pump 11, the end face of the delivery pump 11 is fixedly connected to the three-way valve 12, the end face of the three-way valve 12 is connected to the return pipe 13, the filter 14 is rotatably connected to the free end of the delivery pump 11 through a connecting pipe, and the outer wall of the filter 14 is rotatably connected to the liquid extraction pipe 15.

[0019] The utility model provides a kind of soldering oil cleaning device for circuit board production, by the setting of cleaning box 1, lifting assembly 3, cleaning assembly 4 and fixed box 9, to realize not needing to be stacked together cleaning of circuit board, and by the power exerted to lifting plate 34, reciprocating linear motion is made slowly, and the impact force of cleaning agent flow and the force of cleaning brush 44 can be used, the cleaning effect of residual soldering oil on the surface of circuit board is good;By the setting of circulating discharge component 10, to realize by the cleaning agent in cleaning box 1 inside circulation flow, to filter and separate soldering oil in cleaning agent, increase the effect of circuit board cleaning, it is also convenient to handle cleaning agent.

[0020] In the utility model embodiment, in use, fixed box 9 is installed with lifting plate 34, then press fixing to circuit board by supporting spring 6, fixed column 7, press plate 8 and fixed groove 92, then pour cleaning agent into cleaning box 1, power supply to motor 31, output power is driven by output shaft 32 to make crank connecting rod 33 rotate, so that lifting plate 34 is slowly made reciprocating linear motion, while power supply to delivery pump 11, cleaning agent is extracted and discharged into cleaning box 1 by backflow pipe 13, the speed of cleaning agent flow is accelerated, since lifting plate 34 drives circuit board in fixed box 9 to move, it can make cleaning agent flush the surface of circuit board, and circuit board moves and contacts cleaning brush 44 on the surface of cleaning roller 43, to clean, so that the cleaning effect of residual soldering oil on the surface of circuit board is good, filter 14 can primarily filter soldering oil in cleaning agent, avoid soldering oil backflow and contact circuit board again, and it is also convenient to handle cleaning agent subsequently.

[0021] As Figure 1 And Figure 2 As a preferred embodiment of the utility model, the inner wall surface of the cleaning box 1 is provided with a cleaning chute 101, the outer wall surface of the cleaning box 1 is connected with a first sealing plate 102 and a second sealing plate 103, and the outer wall surface of the first sealing plate 102 and the second sealing plate 103 is provided with a dismounting handle groove.

[0022] It is convenient to open the cleaning box 1 to take and place the circuit board, and it is also convenient to dismount and replace the filter 14.

[0023] As Figure 3 As a preferred embodiment of the utility model, the outer wall surface of the motor 31 is fixedly connected with the mounting plate 2, the free end of the lifting plate 34 is fixedly connected with a hollow column 5 and a supporting spring 6, the end surface of the supporting spring 6 is fixedly connected with a fixed column 7, the outer wall surface of the fixed column 7 is slidingly connected with the hollow column 5, and the end surface of the fixed column 7 is fixedly connected with a press plate 8.

[0024] It can exert force on circuit boards of different sizes, and the stability of clamping is good.

[0025] As Figure 2 and Figure 3 As shown in the figure, as a preferred embodiment of the utility model, the end surface of the cleaning frame 41 is fixedly connected with the cleaning box 1, the cleaning frame 41 is in L shape, the cleaning roller 43 is rotatably connected with the cleaning frame 41 through the cleaning shaft 42, and the size of the cleaning roller 43 is smaller than that of the cleaning hole 35.

[0026] Specifically, as a preferred embodiment of the utility model, the outer wall surface of the lifting plate 34 is inserted with the fixed box 9, the outer wall surface of the fixed box 9 is provided with the hole 91 for cleaning the soldering oil of the circuit board, and the inner wall surface of the fixed box 9 is provided with the fixed groove 92 for clamping the circuit board.

[0027] Through the flowing force of the cleaning agent, the cleaning brush 44 is in contact with the surface of the circuit board for cleaning, so that the cleaning effect on the soldering oil is good.

[0028] As shown in the figure, Figure 1 and Figure 3 As a preferred embodiment of the utility model, the free end of the conveying pump 11 is fixedly connected with the cleaning box 1, the outer wall surface of the backflow pipe 13 is fixedly connected with the cleaning box 1, the inner wall surface of the filter 14 is provided with the activated carbon filter plate and the filter cotton, and the end surface of the filter 14 is clamped with the sealing cover.

[0029] Through the circulating flow of the cleaning agent, the cleaning agent is in contact with the surface of the circuit board, the soldering oil is washed, and the soldering oil in the cleaning agent is also conveniently preliminarily filtered.

[0030] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A soldering oil cleaning device for circuit board production, characterized in that: The device comprises a cleaning box (1), a lifting assembly (3), a cleaning assembly (4) and a circulating discharge assembly (10); the upper end of the cleaning box (1) is fixedly connected to a mounting plate (2); the lifting assembly (3) comprises a motor (31); the end face of the motor (31) is connected to an output shaft (32); the outer wall surface of the output shaft (32) is mounted with a crankshaft connecting rod (33); the end face of the crankshaft connecting rod (33) is fixedly connected to a lifting plate (34); the end face of the lifting plate (34) is provided with a cleaning hole (35); and the outer wall surface of the lifting plate (34) is fixedly connected to a cleaning support block (36); the cleaning assembly (4) comprises The cleaning rack (41) is provided, wherein the outer wall surface of the cleaning rack (41) is fixedly connected to a cleaning shaft (42), the outer wall surface of the cleaning shaft (42) is rotatably connected to a cleaning roller (43), and the outer wall surface of the cleaning roller (43) is provided with a cleaning brush (44). The circulating discharge assembly (10) includes a delivery pump (11), the end surface of the delivery pump (11) is fixedly connected to a three-way valve (12), the end surface of the three-way valve (12) is connected to a return pipe (13), the filter (14) is rotatably connected to the free end of the delivery pump (11) through a connecting pipe, and the outer wall surface of the filter (14) is rotatably connected to a liquid extraction pipe (15).

2. A soldering oil cleaning device for circuit board production according to claim 1, characterized in that: The inner wall surface of the cleaning box (1) is provided with a cleaning chute (101), the outer wall surface of the cleaning box (1) is clamped with a first sealing plate (102) and a second sealing plate (103), and the outer wall surfaces of the first sealing plate (102) and the second sealing plate (103) are both provided with a disassembly handle groove.

3. The soldering oil cleaning device for circuit board production according to claim 1, characterized in that: The outer wall surface of the motor (31) is fixedly connected to the mounting plate (2), the free end of the lifting plate (34) is fixedly connected to the hollow column (5) and the support spring (6), the end surface of the support spring (6) is fixedly connected to the fixed column (7), the outer wall surface of the fixed column (7) is slidably connected to the hollow column (5), and the end surface of the fixed column (7) is fixedly connected to the pressing plate (8).

4. The soldering oil cleaning device for circuit board production according to claim 1, characterized in that: The end surface of the cleaning frame (41) is fixedly connected to the cleaning box (1). The shape of the cleaning frame (41) is L-shaped. The cleaning roller (43) is rotatably connected to the cleaning frame (41) via a cleaning shaft (42). The size of the cleaning roller (43) is smaller than the size of the cleaning hole (35).

5. The soldering oil cleaning device for circuit board production according to claim 1, characterized in that: A fixing box (9) is inserted into the outer wall of the lifting plate (34), and a hole (91) for cleaning solder oil on the circuit board is provided on the outer wall of the fixing box (9), and a fixing groove (92) for clamping the circuit board is provided on the inner wall of the fixing box (9).

6. The soldering oil cleaning device for circuit board production according to claim 1, characterized in that: The free end of the delivery pump (11) is fixedly connected to the cleaning box (1), the outer wall surface of the return pipe (13) is fixedly connected to the cleaning box (1), the inner wall surface of the filter (14) is provided with an activated carbon filter plate and filter cotton, and the end surface of the filter (14) is clamped with a sealing cover.

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