Automatic static removing cleaning machine for PCB (Printed Circuit Board)

Abstract

According to the PCB automatic static electricity removing cleaning machine, the PCB conveying mechanism, the PCB top face cleaning mechanism, the PCB bottom face cleaning mechanism and the PCB static electricity removing mechanism are arranged in a matched mode, a PCB to be cleaned is conveyed in through the PCB conveying mechanism, the two faces of the PCB are cleaned through the PCB top face cleaning mechanism and the PCB bottom face cleaning mechanism, the PCB static electricity removing mechanism is used for removing static electricity of the PCB, and the PCB static electricity removing mechanism is used for removing static electricity of the PCB. And then the PCB is subjected to static electricity removal through the PCB static electricity removal mechanism, cleaning and static electricity removal of the PCB can be completed on the same equipment, and the working efficiency of cleaning and static electricity removal is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board cleaning, in particular to an automatic static electricity removal cleaning machine for PCB boards. Background Art

[0002] PCB is the mother of electronic products. It is also called printed circuit board (PCB) or printed wiring board (PWB), and is the power connection provider of electronic components. After the current PCB board is manufactured, it must be cleaned to remove impurities on the surface, and then the PCB board after cleaning must be destaticized to reduce the amount of static electricity on the surface of the PCB board. However, the current cleaning and destaticization of PCB boards must be carried out using cleaning and destaticization equipment, which reduces the efficiency of the work. Utility Model Content

[0003] Based on this, it is necessary to provide an automatic anti-static cleaning machine for PCB boards.

[0004] A PCB board automatic anti-static cleaning machine, comprising a frame, a PCB board conveying mechanism, a PCB board top surface cleaning mechanism, a PCB board bottom surface cleaning mechanism, and a PCB board anti-static mechanism;

[0005] The PCB board conveying mechanism is installed on the frame, and the PCB board top surface cleaning mechanism includes a first PCB board top surface cleaning component and a second PCB board top surface cleaning component; the first PCB board top surface cleaning component and the second PCB board top surface cleaning component are installed on the frame in sequence and are located on the top surface of the PCB board; the PCB board bottom surface cleaning mechanism is installed on the frame and is located on the bottom surface of the PCB board, and the PCB board static electricity removal mechanism is installed on the frame.

[0006] In one of the embodiments, the PCB board conveying mechanism includes a mounting seat, a driving wheel, a plurality of driven wheels, a synchronous belt and a pressure wheel, the driving wheel is mounted on the rotating shaft, the plurality of driven wheels are respectively rotatably mounted on the mounting seat, the synchronous belt is respectively sleeved on the driving wheel and the plurality of driven wheels, and the pressure wheel is mounted on the mounting seat and has a gap between it and the synchronous belt.

[0007] In one of the embodiments, the first PCB board top surface cleaning assembly includes a first motor, a first screw rod, a fixed seat, two groups of sliding units, a support seat, and a first cleaning roller unit. The first motor is installed on the fixed seat, one end of the first screw rod is installed on the first motor, and the other end is installed on the support seat, the two groups of sliding units are symmetrically arranged at both ends of the fixed seat, the two ends of the support seat are installed on the two groups of sliding units, and the first cleaning roller unit is rotatably installed at the bottom of the support seat.

[0008] In one of the embodiments, the sliding unit includes a sliding rail, a sliding block and a fixed block, the sliding block is slidably mounted on the sliding rail, and the fixed block is mounted on the sliding block.

[0009] In one of the embodiments, the first PCB top surface cleaning assembly further includes a first sticky roller, which is mounted on the support seat and fits the first cleaning roller unit.

[0010] In one embodiment, the first cleaning roller unit includes a second motor and a first cleaning roller, the second motor is mounted on the support base, one end of the first cleaning roller is mounted on the second motor, and the other end is mounted on the support base.

[0011] In one of the embodiments, the second PCB board top surface cleaning assembly includes a mounting bracket, a third motor, a second screw rod, a guide block, a guide column, a second cleaning roller unit, and a second dust-sticking roller, wherein the third motor is mounted on the mounting bracket, one end of the second screw rod is mounted on the third motor, the second cleaning roller unit is mounted on the screw rod nut, the guide block is fixedly mounted on the mounting bracket, the guide column is passed through the guide block and one end is fixedly connected to the second cleaning roller unit, and the second dust-sticking roller is rotatably mounted on the mounting bracket and is at the top of the second cleaning roller unit.

[0012] In one embodiment, the second cleaning roller unit includes a fourth motor, a first gear, a second gear, a rotating shaft and at least one second cleaning roller, the first gear is mounted on the fourth motor, the second gear is mounted on the rotating shaft and meshingly connected with the first gear, and the rotating shaft passes through the second cleaning roller to drive the second cleaning roller to rotate.

[0013] In one embodiment, the PCB bottom cleaning mechanism includes a base, a fifth motor, two gears, a chain, a third screw rod, a fixed plate, a cylinder, and a cleaning brush. The fifth motor is installed on the base, the gear is installed on the fifth motor, the chain is respectively mounted on the two gears, the third screw rod is installed on the gear, the fixed plate is installed on the nut of the screw rod, the cylinder is installed on the fixed plate, and the cleaning brush is installed on the cylinder.

[0014] In one of the embodiments, the PCB board static electricity removal mechanism includes a mounting plate and a plurality of high-frequency ion wind rods, and the plurality of high-frequency ion wind rods are mounted on the mounting plate.

[0015] The above-mentioned PCB board automatic anti-static cleaning machine is configured by the cooperation of the PCB board conveying mechanism, the PCB board top surface cleaning mechanism, the PCB board bottom surface cleaning mechanism and the PCB board anti-static mechanism. The PCB board to be cleaned is conveyed in by the PCB board conveying mechanism, the two sides of the PCB board are cleaned by the PCB board top surface cleaning mechanism and the PCB board bottom surface cleaning mechanism, and then the PCB board is anti-statically cleaned by the PCB board anti-static mechanism. The cleaning and anti-static of the PCB board can be completed on the same device, thereby improving the working efficiency of cleaning and anti-static. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the assembly structure of an automatic anti-static cleaning machine for PCB boards according to an embodiment of the utility model;

[0017] Figure 2 for Figure 1 A schematic structural diagram of a PCB conveying mechanism and a PCB bottom cleaning mechanism of an automatic PCB anti-static cleaning machine according to an embodiment of the utility model;

[0018] Figure 3 for Figure 1 A schematic diagram of the assembly structure of a first PCB top surface cleaning component of an automatic PCB anti-static cleaning machine according to an embodiment of the utility model;

[0019] Figure 4 for Figure 1 A schematic structural diagram of a second PCB top surface cleaning assembly of an automatic PCB anti-static cleaning machine according to an embodiment of the utility model;

[0020] Figure 5 for Figure 1 A schematic structural diagram of a PCB board anti-static mechanism of an automatic PCB board anti-static cleaning machine according to an embodiment of the utility model. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intermediate element at the same time. On the contrary, when an element is said to be "directly" connected to another element, there is no intermediate element.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] like Figure 1 As shown, an automatic anti-static cleaning machine for PCB boards includes a frame 1, a PCB board conveying mechanism 2, a PCB board top surface cleaning mechanism 3, a PCB board bottom surface cleaning mechanism 4, and a PCB board anti-static mechanism 5;

[0025] The PCB board conveying mechanism 2 is installed on the frame 1, and the PCB board top surface cleaning mechanism 3 includes a first PCB board top surface cleaning component 31 and a second PCB board top surface cleaning component 32; the first PCB board top surface cleaning component 31 and the second PCB board top surface cleaning component 32 are installed on the frame 1 in sequence and are located on the top surface of the PCB board; the PCB board bottom surface cleaning mechanism 4 is installed on the frame 1 and is located on the bottom surface of the PCB board, and the PCB board anti-static mechanism 5 is installed on the frame 1. The PCB board anti-static mechanism 5 can be one group or two groups. If there are two groups, they can be installed at the inlet and outlet ends of the PCB board automatic anti-static cleaning machine respectively.

[0026] like Figure 2 As shown, the PCB board conveying mechanism 2 includes a mounting seat 21, a driving wheel 22, a plurality of driven wheels 23, a synchronous belt 24 and a pressure wheel 25. The driving wheel 22 is mounted on the rotating shaft, and the plurality of driven wheels 23 are respectively rotatably mounted on the mounting seat 21. The synchronous belt 24 is respectively sleeved on the driving wheel 22 and the plurality of driven wheels 23. The pressure wheel 25 is mounted on the mounting seat 21 and has a gap with the synchronous belt 24.

[0027] The PCB to be cleaned is placed on the synchronous belt 24, the external driver drives the driving wheel 22 to rotate, the driving wheel 22 drives the synchronous belt 24 to move, and the synchronous belt 24 drives a plurality of driven wheels 23 to rotate, so that the PCB to be cleaned moves on the synchronous belt 24. During the movement of the PCB to be cleaned, the clamping wheel 25 abuts against the PCB to be cleaned, which can effectively prevent the PCB from falling. The PCB conveying mechanism 2 is changed from the traditional gear collision transmission to the external driver straight belt transmission, which can reduce gear wear.

[0028] like Figure 3As shown, the first PCB top surface cleaning assembly 31 includes a first motor 311, a first screw rod 312, a fixed seat 313, two sets of sliding units 314, a support seat 315, and a first cleaning roller unit 316. The first motor 311 is mounted on the fixed seat 313, one end of the first screw rod 312 is mounted on the first motor 311, and the other end is mounted on the support seat 315. The two sets of sliding units 314 are symmetrically arranged at both ends of the fixed seat 313, and both ends of the support seat 315 are mounted on the two sets of sliding units 314. The first cleaning roller unit 316 is rotatably mounted on the bottom of the support seat 315. Two through holes 3151 are provided at both ends of the support seat 315 for accommodating the two sets of sliding units 314.

[0029] The sliding unit 314 includes a slide rail 3141, a slider 3142 and a fixed block 3143. The slider 3142 is slidably mounted on the slide rail 3141, and the fixed block 3143 is mounted on the slider 3142. One end of the fixed block 3143 is fixed on the support seat 315. The first PCB top surface cleaning assembly 31 also includes a first dust sticking roller 317, which is mounted on the support seat 315 and fits with the first cleaning roller unit 316.

[0030] The first cleaning roller unit 316 includes a second motor 3161 and a first cleaning roller 3162 . The second motor 3161 is mounted on the support base 315 . One end of the first cleaning roller 3162 is mounted on the second motor 3161 , and the other end is mounted on the support base 315 .

[0031] When cleaning the PCB board, the first motor 311 is started to rotate, and the first motor 311 drives the first screw rod 312 to rotate clockwise or counterclockwise, and the support seat 315 is controlled by the first screw rod 312 to slide toward the PCB board. At this time, the fixed block 3143 slides on the slide rail 3141 through the slider 3142. At this time, the second motor 3161 is started, and the second motor 3161 drives the first cleaning roller 3162 to rotate, so that the first cleaning roller 3162 cleans the PCB board. The first sticky roller 317 has sticky paper. Because the first sticky roller 317 and the first cleaning roller 3162 are in contact with each other, dust or impurities on the first cleaning roller 3162 can be adhered to the sticky paper of the first sticky roller 317.

[0032] like Figure 4As shown, the second PCB top surface cleaning assembly 32 includes a mounting bracket 321, a third motor 322, a second screw 323, a guide block 324, a guide column 325, a second cleaning roller unit 326, and a second dust sticking roller 327. The third motor 322 is mounted on the mounting bracket 321, one end of the second screw 323 is mounted on the third motor 322, the second cleaning roller unit 326 is mounted on the screw nut, the guide block 324 is fixedly mounted on the mounting bracket 321, the guide column 325 is passed through the guide block 324 and one end is fixedly connected to the second cleaning roller unit 326, and the second dust sticking roller 327 is rotatably mounted on the mounting bracket 321 and is located at the top of the second cleaning roller unit 326. The third motor 322 is a stepping motor.

[0033] The second cleaning roller unit 326 includes a fourth motor 3261, a first gear 3262, a second gear 3263, a rotating shaft 3264 and at least one second cleaning roller 3265, wherein the first gear 3262 is mounted on the fourth motor 3261, the second gear 3263 is mounted on the rotating shaft 3264 and meshingly connected with the first gear 3262, and the rotating shaft 3264 is passed through the second cleaning roller 3265 for driving the second cleaning roller 3265 to rotate.

[0034] When cleaning the PCB board, the third motor 322 is started, the third motor 322 controls the second screw rod 323 to rotate, the second screw rod 323 controls the second cleaning roller unit 326 to move toward the PCB board until the second cleaning roller 3265 is in contact with the surface of the PCB board, the fourth motor 3261 is started, the fourth motor 3261 drives the first gear 3262, the first gear 3262 drives the second gear 3263 to rotate, the second gear 3263 drives the rotating shaft 3264 to rotate, the rotating shaft 3264 drives the second cleaning roller 3265 to rotate, and the second cleaning roller 3265 cleans the surface of the PCB board. The second sticky roller 327 has sticky paper. After the second cleaning roller 3265 finishes cleaning the top surface of the PCB board, the third motor 322 is started. The third motor 322 controls the second screw rod 323 to rotate. The second screw rod 323 controls the second cleaning roller unit 326 to move away from the PCB board, so that the second cleaning roller 3265 fits the second sticky roller 327, and the dust or impurities on the second cleaning roller 3265 can be adhered to the sticky paper on the second sticky roller 327.

[0035] like Figure 2As shown, the PCB bottom cleaning mechanism 4 includes a base 41, a fifth motor, two gears 43, a chain 44, a third screw rod 45, a fixed plate 46, a cylinder 47, and a cleaning brush 48. The fifth motor is mounted on the base 41, the gear 43 is mounted on the fifth motor, the chain 44 is respectively sleeved on the two gears 43, the third screw rod 45 is mounted on the gear 43, the fixed plate 46 is mounted on the screw rod nut, the cylinder 47 is mounted on the fixed plate 46, and the cleaning brush 48 is mounted on the cylinder 47. When it is necessary to clean the bottom surface of the PCB board, the cylinder 47 is started, and the cylinder 47 drives the cleaning brush 48 to move toward the bottom surface of the PCB board until it abuts against the bottom surface of the PCB board. During the movement of the PCB board, the cleaning brush 48 cleans the bottom surface of the PCB board. At this time, the fifth motor is started, and the fifth motor drives one of the gears 43 to rotate, drives another gear 43 to rotate through the chain 44, drives the third screw rod 45 to rotate through the gear 43, so that the fixed plate 46 moves, and the entire bottom surface of the PCB board is cleaned by the cleaning brush 48.

[0036] The PCB board static elimination mechanism 5 comprises a mounting plate 51 and a plurality of high-frequency ion wind rods 52, wherein the plurality of high-frequency ion wind rods 52 are mounted on the mounting plate 51. In this way, static electricity on the PCB board can be effectively eliminated by the high-frequency ion wind rods 52.

[0037] The PCB board automatic anti-static cleaning machine also includes a touch screen 6, which is electrically connected to the PCB board conveying mechanism 2, the PCB board top surface cleaning mechanism 3, the PCB board bottom surface cleaning mechanism 4, and the PCB board anti-static mechanism 5 through the touch screen 6. A control signal can be sent through the touch screen 6 to control the PCB board conveying mechanism 2, the PCB board top surface cleaning mechanism 3, the PCB board bottom surface cleaning mechanism 4, and the PCB board anti-static mechanism 5.

[0038] The working principle of the present application is: through the coordinated arrangement of the PCB board conveying mechanism 2, the PCB board top surface cleaning mechanism 3, the PCB board bottom surface cleaning mechanism 4, and the PCB board anti-static mechanism 5, the PCB board to be cleaned is conveyed in through the PCB board conveying mechanism 2, the two sides of the PCB board are cleaned through the PCB board top surface cleaning mechanism 3 and the PCB board bottom surface cleaning mechanism 4, and then the PCB board is anti-statically removed through the PCB board anti-static mechanism 5, the cleaning and anti-static removal of the PCB board can be completed on the same device, thereby improving the working efficiency of cleaning and anti-static removal.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A PCB board automatic anti-static cleaning machine, characterized by: It includes a rack, a PCB board conveying mechanism, a PCB board top surface cleaning mechanism, a PCB board bottom surface cleaning mechanism, and a PCB board static electricity removal mechanism; The PCB board conveying mechanism is installed on the frame, and the PCB board top surface cleaning mechanism includes a first PCB board top surface cleaning component and a second PCB board top surface cleaning component; the first PCB board top surface cleaning component and the second PCB board top surface cleaning component are sequentially installed on the frame and are located on the top surface of the PCB board; the PCB board bottom surface cleaning mechanism is installed on the frame and is located on the bottom surface of the PCB board, and the PCB board static electricity removal mechanism is installed on the frame; The PCB board transmission mechanism includes a mounting seat, a driving wheel, a plurality of driven wheels, a synchronous belt and a pressure wheel. The driving wheel is mounted on a rotating shaft, and the plurality of driven wheels are respectively rotatably mounted on the mounting seat. The synchronous belts are respectively sleeved on the driving wheel and the plurality of driven wheels. The pressure wheel is mounted on the mounting seat and has a gap between it and the synchronous belt.

2. The automatic anti-static cleaning machine for PCB boards according to claim 1 is characterized in that: The first PCB board top surface cleaning assembly includes a first motor, a first screw rod, a fixed seat, two groups of sliding units, a support seat, and a first cleaning roller unit. The first motor is installed on the fixed seat, one end of the first screw rod is installed on the first motor, and the other end is installed on the support seat, the two groups of sliding units are symmetrically arranged at both ends of the fixed seat, the two ends of the support seat are installed on the two groups of sliding units, and the first cleaning roller unit is rotatably installed at the bottom of the support seat.

3. The automatic anti-static cleaning machine for PCB boards according to claim 2 is characterized in that: The sliding unit comprises a sliding rail, a sliding block and a fixed block. The sliding block is slidably mounted on the sliding rail, and the fixed block is mounted on the sliding block.

4. The automatic anti-static cleaning machine for PCB boards according to claim 2 is characterized in that: The first PCB board top surface cleaning assembly also includes a first dust-sticking roller, which is installed on the support seat and fits with the first cleaning roller unit.

5. The automatic anti-static cleaning machine for PCB boards according to claim 2 is characterized in that: The first cleaning roller unit includes a second motor and a first cleaning roller, the second motor is mounted on the support base, one end of the first cleaning roller is mounted on the second motor, and the other end is mounted on the support base.

6. The automatic anti-static cleaning machine for PCB boards according to claim 1, characterized in that: The second PCB board top surface cleaning assembly includes a mounting bracket, a third motor, a second screw, a guide block, a guide column, a second cleaning roller unit, and a second dust-sticking roller. The third motor is mounted on the mounting bracket, one end of the second screw is mounted on the third motor, the second cleaning roller unit is mounted on the screw nut, the guide block is fixedly mounted on the mounting bracket, the guide column is passed through the guide block and one end is fixedly connected to the second cleaning roller unit, and the second dust-sticking roller is rotatably mounted on the mounting bracket and is at the top of the second cleaning roller unit.

7. The automatic anti-static cleaning machine for PCB boards according to claim 6, characterized in that: The second cleaning roller unit includes a fourth motor, a first gear, a second gear, a rotating shaft and at least one second cleaning roller, the first gear is mounted on the fourth motor, the second gear is mounted on the rotating shaft and meshed with the first gear, and the rotating shaft is passed through the second cleaning roller to drive the second cleaning roller to rotate.

8. The automatic anti-static cleaning machine for PCB boards according to claim 1, characterized in that: The PCB bottom cleaning mechanism includes a base, a fifth motor, two gears, a chain, a third screw rod, a fixed plate, a cylinder, and a cleaning brush. The fifth motor is installed on the base, the gear is installed on the fifth motor, the chain is respectively sleeved on the two gears, the third screw rod is installed on the gear, the fixed plate is installed on the nut of the screw rod, the cylinder is installed on the fixed plate, and the cleaning brush is installed on the cylinder.

9. The automatic anti-static cleaning machine for PCB boards according to claim 1, characterized in that: The PCB board static electricity removal mechanism comprises a mounting plate and a plurality of high-frequency ion wind rods, and the plurality of high-frequency ion wind rods are mounted on the mounting plate.

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