SMT atmospheric plasma cleaning machine

Abstract

The utility model provides an SMT atmospheric plasma cleaning machine, which relates to the technical field of plasma cleaning and comprises a bottom frame, the top of the bottom frame is fixedly connected with a machine frame, the bottom of the machine frame is fixedly connected with a first hydraulic rod, and the output end of the first hydraulic rod penetrates through the machine frame in a sliding mode and extends to the upper side. And the output end of the first hydraulic rod is fixedly connected with a moving seat. According to the circuit board cleaning device, when plasma cleaning is carried out on a circuit board subjected to SMT machining, the circuit board is placed above the conveying belt to be conveyed, the distance between the circuit board and the cleaning head can be adaptively adjusted according to circuit board thickness data measured by the distance sensor, the first hydraulic rod can operate to drive the moving seat to move up and down, and the circuit board can be conveniently cleaned. The cleaning head can adapt to circuit boards with different thicknesses to carry out automatic spacing adjustment, so that it is ensured that the cleaning head keeps the optimal spacing to complete plasma cleaning on the circuit boards, and the cleaning quality of the cleaning machine is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plasma cleaning, in particular to an SMT atmospheric plasma cleaning machine. Background Art

[0002] Plasma cleaning is a high-precision cleaning technology that uses plasma to achieve effects that conventional cleaning methods cannot achieve. By applying sufficient energy to the gas to ionize it, a plasma state is formed to achieve cleaning of the object.

[0003] In the prior art, when a plasma cleaning machine is used to perform plasma cleaning on circuit boards, due to the different thicknesses of circuit boards of different specifications, after the circuit boards are sent to the cleaning machine, the thicker circuit boards are closer to the cleaning head, while the thinner circuit boards are farther away from the cleaning head, resulting in different cleaning intensities for circuit boards of different specifications, affecting the cleaning quality of the circuit boards. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that when a plasma cleaning machine is used to perform plasma cleaning on a circuit board, due to the different thicknesses of circuit boards of different specifications, after the circuit boards are sent to the cleaning machine, the thicker circuit boards are closer to the cleaning head, while the thinner circuit boards are farther from the cleaning head, so that the circuit boards of different specifications are subjected to different cleaning forces, which affects the cleaning quality of the circuit boards. An SMT atmospheric plasma cleaning machine is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an SMT atmospheric plasma cleaning machine, comprising: a base frame, the top of the base frame is fixedly connected to a frame, the bottom of the frame is fixedly connected to a first hydraulic rod, the output end of the first hydraulic rod slides through the frame and extends to the upper side, the output end of the first hydraulic rod is fixedly connected to a moving seat, a conveyor belt is arranged on the inner surface of the moving seat, the top of the frame is fixedly connected to a top plate, and the bottom of the top plate is fixedly connected to a distance sensor; a cleaning component, the cleaning component is fixedly connected to the outer surface of the frame, the cleaning component includes a top frame, and the bottom of the top frame is fixedly connected to a bracket.

[0006] Preferably, a plurality of slide rails are fixedly connected to the inner surface of the frame, a slider is slidably connected to the outer surface of the slide rail, and the slider is fixedly connected to the moving seat.

[0007] Preferably, the distance sensor cooperates with the position of the conveyor belt, and the distance sensor is electrically connected to the first hydraulic rod.

[0008] Preferably, a motor is fixedly connected to the outer surface of the bracket, the output end of the motor slides through the bracket and extends to the inner side, and the output end of the motor is fixedly connected to a screw rod.

[0009] Preferably, the outer surface of the screw rod is threadedly connected to a sliding seat, a cleaning head is arranged at the bottom of the sliding seat, and a limiting rod is symmetrically fixedly connected to the inner surface of the bracket, and the limiting rod slides through the sliding seat.

[0010] Preferably, a photoelectric switch is fixedly connected to the bottom of the top frame, and the photoelectric switch is electrically connected to the conveyor belt.

[0011] Preferably, the outer surfaces of both sides of the frame are fixedly connected with a second hydraulic rod, the output end of the second hydraulic rod passes through the frame and the movable seat in sequence and extends to the inner side, the output end of the second hydraulic rod is fixedly connected with a push plate, and the push plate is located on the upper side of the conveyor belt.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, when plasma cleaning is performed on a circuit board that has been processed by SMT, the circuit board is placed on the conveyor belt for transportation. According to the circuit board thickness data measured by the distance sensor, the distance between the circuit board and the cleaning head can be adaptively adjusted. The operation of the first hydraulic rod can drive the moving seat to move up and down, so that the cleaning head can adapt to circuit boards of different thicknesses for automatic distance adjustment, so as to ensure that the cleaning head maintains the best distance to complete plasma cleaning of the circuit board, thereby effectively improving the cleaning quality of the cleaning machine.

[0014] 2. In the utility model, the operation of the second hydraulic rods on both sides can drive the push plate to move, and the operation of the push plate can push the circuit board to move and adjust the position, thereby achieving the purpose of quickly adjusting the cleaning position of the circuit board and improving the practicality of the cleaning machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of an SMT atmospheric plasma cleaning machine is proposed for the utility model;

[0016] Figure 2 A bottom view of an SMT atmospheric plasma cleaning machine is provided for the utility model;

[0017] Figure 3 A schematic diagram of the frame structure of an SMT atmospheric plasma cleaning machine is proposed for the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the cleaning component structure of an SMT atmospheric plasma cleaning machine.

[0019] Legend: 1. Base frame; 2. Frame; 3. Cleaning assembly; 301. Top frame; 302. Bracket; 303. Motor; 304. Screw rod; 305. Sliding seat; 306. Cleaning head; 307. Limit rod; 308. Photoelectric switch; 4. First hydraulic rod; 5. Moving seat; 6. Conveyor belt; 7. Top plate; 8. Distance sensor; 9. Slide rail; 10. Sliding block; 11. Second hydraulic rod; 12. Push plate. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides an SMT atmospheric plasma cleaning machine, including: a base frame 1, the top of the base frame 1 is fixedly connected to a frame 2, the bottom of the frame 2 is fixedly connected to a first hydraulic rod 4, the output end of the first hydraulic rod 4 slides through the frame 2 and extends to the upper side, the output end of the first hydraulic rod 4 is fixedly connected to a moving seat 5, the inner surface of the moving seat 5 is provided with a conveyor belt 6, the top of the frame 2 is fixedly connected to a top plate 7, and the bottom of the top plate 7 is fixedly connected to a distance sensor 8; a cleaning component 3, the cleaning component 3 is fixedly connected to the outer surface of the frame 2, the cleaning component 3 includes a top frame 301, the bottom of the top frame 301 is fixedly connected to a bracket 302, the inner surface of the frame 2 is fixedly connected to a plurality of slide rails 9, and the outer surface of the slide rails 9 is slidably connected to the A slider 10 is connected, the slider 10 is fixedly connected to the moving seat 5, the distance sensor 8 matches the position of the conveyor belt 6, the distance sensor 8 is electrically connected to the first hydraulic rod 4, the outer surface of the bracket 302 is fixedly connected to the motor 303, the output end of the motor 303 slides through the bracket 302 and extends to the inside, the output end of the motor 303 is fixedly connected to the screw rod 304, the outer surface of the screw rod 304 is threadedly connected to the sliding seat 305, a cleaning head 306 is arranged at the bottom of the sliding seat 305, the inner surface of the bracket 302 is symmetrically fixedly connected to the limit rod 307, the limit rod 307 slides through the sliding seat 305, the bottom of the top frame 301 is fixedly connected to the photoelectric switch 308, and the photoelectric switch 308 is electrically connected to the conveyor belt 6.

[0023] The effect achieved by the entire embodiment 1 is that when plasma cleaning is performed on the circuit board that has been processed by SMT, the circuit board is placed on the conveyor belt 6 for transportation. The circuit board will be transported to the bottom of the top frame 301 for cleaning through the operation of the conveyor belt 6. When the circuit board is placed on the conveyor belt 6, it will pass under the top plate 7. By using the distance sensor 8, the distance from the circuit board to the top plate 7 can be measured. The thickness data of the circuit board can be obtained by taking the distance from the distance sensor 8 to the surface of the conveyor belt 6 as a reference. According to the circuit board thickness data measured by the distance sensor 8, the distance between the circuit board and the cleaning head 306 can be adjusted adaptively. During the adjustment, the distance sensor 8 can control the operation of the first hydraulic rod 4 according to the measured data, and the operation of the first hydraulic rod 4 can drive the moving seat 5 to move up and down. By cooperating with the slide rail 9 and the slider 10 to limit the moving trajectory of the movable seat 5, the purpose of adjusting the distance between the circuit board and the cleaning head 306 is achieved, so that the cleaning head 306 can adapt to circuit boards of different thicknesses for automatic distance adjustment to ensure that the cleaning head 306 maintains the best distance to complete plasma cleaning of the circuit board, which effectively improves the cleaning quality of the cleaning machine. When the circuit board is sent to the bottom of the top frame 301, the photoelectric switch 308 detects that the circuit board is in place, and can control the conveyor belt 6 to close. The motor 303 and the cleaning head 306 cooperate to operate to perform plasma cleaning on the circuit board. When the cleaning head 306 is in operation, it emits atmospheric plasma to the surface of the circuit board. The electrons in the atmospheric plasma interact with the pollutant molecules on the surface of the circuit board to remove them from the surface, thereby achieving a cleaning effect.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, the outer surfaces of both sides of the frame 2 are fixedly connected with the second hydraulic rod 11, the output end of the second hydraulic rod 11 passes through the frame 2 and the movable seat 5 in sequence and extends to the inner side, the output end of the second hydraulic rod 11 is fixedly connected with a push plate 12, and the push plate 12 is located on the upper side of the conveyor belt 6.

[0025] The effect achieved by the entire embodiment 2 is that when the circuit board is sent to the position below the top frame 301 for cleaning, the operation of the second hydraulic rods 11 on both sides can drive the push plate 12 to move, and the operation of the push plate 12 can push the circuit board to move and adjust the position, thereby achieving the purpose of quickly adjusting the cleaning position of the circuit board and improving the practicality of the cleaning machine.

[0026] Working principle: When plasma cleaning is performed on the circuit board that has been processed by SMT, the circuit board is placed on the conveyor belt 6 for transportation. The circuit board will be transported to the bottom of the top frame 301 for cleaning through the operation of the conveyor belt 6. When the circuit board is placed on the conveyor belt 6, it will pass under the top plate 7. By using the distance sensor 8, the distance from the circuit board to the top plate 7 can be measured. The thickness data of the circuit board can be obtained by taking the distance from the distance sensor 8 to the surface of the conveyor belt 6 as a reference. According to the circuit board thickness data measured by the distance sensor 8, the distance between the circuit board and the cleaning head 306 can be adaptively adjusted. During adjustment, the distance sensor 8 can control the operation of the first hydraulic rod 4 according to the measured data. The operation of the first hydraulic rod 4 can drive the moving seat 5 to move up and down. The moving trajectory of the moving seat 5 is limited by the cooperation of the slide rail 9 and the slider 10, thereby achieving the purpose of adjusting the distance from the circuit board to the cleaning head 306, so that the cleaning head 306 It can adapt to circuit boards of different thicknesses for automatic spacing adjustment to ensure that the cleaning head 306 maintains an optimal spacing to complete plasma cleaning of the circuit board, effectively improving the cleaning effect of the cleaning machine. When the circuit board is sent to the bottom of the top frame 301, the photoelectric switch 308 detects that the circuit board is in place, and can control the conveyor belt 6 to be closed. The motor 303 and the cleaning head 306 cooperate to operate to perform plasma cleaning on the circuit board. When the cleaning head 306 is in operation, atmospheric plasma is emitted to the surface of the circuit board. The electrons in the atmospheric plasma interact with the pollutant molecules on the surface of the circuit board to remove them from the surface, thereby achieving a cleaning effect. When the circuit board is sent to the position below the top frame 301 for cleaning, the operation of the second hydraulic rods 11 on both sides can drive the push plate 12 to move, and the operation of the push plate 12 can push the circuit board to move and adjust the position, thereby achieving the purpose of quickly adjusting the cleaning position of the circuit board and improving the practicality of the cleaning machine.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An SMT atmospheric plasma cleaning machine, characterized in that: include: A base frame (1), wherein the top of the base frame (1) is fixedly connected to a frame (2), the bottom of the frame (2) is fixedly connected to a first hydraulic rod (4), the output end of the first hydraulic rod (4) slides through the frame (2) and extends to the upper side, the output end of the first hydraulic rod (4) is fixedly connected to a moving seat (5), a conveyor belt (6) is arranged on the inner surface of the moving seat (5), the top of the frame (2) is fixedly connected to a top plate (7), and the bottom of the top plate (7) is fixedly connected to a distance sensor (8); A cleaning component (3), the cleaning component (3) is fixedly connected to the outer surface of the frame (2), the cleaning component (3) comprises a top frame (301), and a bracket (302) is fixedly connected to the bottom of the top frame (301).

2. The SMT atmospheric plasma cleaning machine according to claim 1, characterized in that: The inner surface of the frame (2) is fixedly connected to a plurality of slide rails (9), the outer surface of the slide rails (9) is slidably connected to a slider (10), and the slider (10) is fixedly connected to the moving seat (5).

3. The SMT atmospheric plasma cleaning machine according to claim 1, characterized in that: The distance sensor (8) is matched with the position of the conveyor belt (6), and the distance sensor (8) is electrically connected to the first hydraulic rod (4).

4. The SMT atmospheric plasma cleaning machine according to claim 1, characterized in that: The outer surface of the bracket (302) is fixedly connected to a motor (303); the output end of the motor (303) slides through the bracket (302) and extends to the inside; the output end of the motor (303) is fixedly connected to a screw rod (304).

5. The SMT atmospheric plasma cleaning machine according to claim 4, characterized in that: The outer surface of the screw rod (304) is threadedly connected to a sliding seat (305), a cleaning head (306) is arranged at the bottom of the sliding seat (305), and the inner surface of the bracket (302) is symmetrically fixedly connected to a limiting rod (307), and the limiting rod (307) slides through the sliding seat (305).

6. The SMT atmospheric plasma cleaning machine according to claim 1, characterized in that: A photoelectric switch (308) is fixedly connected to the bottom of the top frame (301), and the photoelectric switch (308) is electrically connected to the conveyor belt (6).

7. The SMT atmospheric plasma cleaning machine according to claim 1, characterized in that: The outer surfaces of both sides of the frame (2) are fixedly connected with second hydraulic rods (11), the output end of the second hydraulic rod (11) passes through the frame (2) and the movable seat (5) in sequence and extends to the inner side, and the output end of the second hydraulic rod (11) is fixedly connected with a push plate (12), and the push plate (12) is located on the upper side of the conveyor belt (6).

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