Circuit board cleaning device

Abstract

The utility model relates to the field of circuit board processing, in particular to a circuit board cleaning device which comprises a cleaning box, a sliding guide rail with a built-in fixing structure is installed in the cleaning box, a circuit board is conveyed through the sliding guide rail, supporting legs are arranged at the lower end of the sliding guide rail, and leather curtains are arranged at the left end and the right end of the cleaning box. An access door is arranged on the lower side of the right end of the cleaning box, a cleaning unit for cleaning dust of the circuit board is arranged in the cleaning box and composed of a drum-type dust removal module and a transmission module, a dust collection unit for absorbing dust is arranged on the lower side of the cleaning unit, and the dust collection unit is composed of a filtering module and a power module. The filtering module is arranged in the cleaning box through a sliding structure; compared with a traditional single brushing mode, the cleaning effect is improved, the cleaning device is safer and more reliable, dust leakage is effectively prevented, secondary pollution is avoided, and therefore the cleaning device is superior to traditional open type cleaning equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circuit board processing, especially relates to circuit board cleaning device. BACKGROUND

[0002] In the production and processing process of circuit board, a large amount of dust, impurities and other pollutants are often attached to the surface of the circuit board, which not only affects the electrical performance of the circuit board, reduces the quality and reliability of the product, but also causes adverse effects on the subsequent production process.

[0003] At present, the traditional circuit board adopts a single brushing method in the cleaning mode, usually only relying on a brush or a roller to wipe the surface of the circuit board. This method is difficult to completely remove the dust and impurities on the surface of the circuit board due to the limited contact area, resulting in poor cleaning effect. In addition, most of the traditional cleaning equipment adopts an open structure, lacks effective dust collection and processing mechanism, and the removed dust is easy to fly to the surrounding environment during the cleaning process, not only causing secondary pollution, but also being inhaled by the operator, causing harm to the health of the operator. SUMMARY

[0004] In order to overcome the problem that the traditional circuit board cleaning adopts a single brushing method, resulting in poor cleaning, and the open structure of the traditional cleaning equipment makes the dust easy to fly, causing secondary pollution and harming the health of the operator.

[0005] The technical scheme of the utility model is as follows: a circuit board cleaning device, comprising a cleaning box, a sliding guide rail with a built-in fixing structure is installed in the cleaning box, the circuit board is transported through the sliding guide rail, the lower end of the sliding guide rail is provided with a supporting leg, the left and right ends of the cleaning box are provided with a curtain, the lower side of the right end of the cleaning box is provided with an access door, a cleaning unit for cleaning the dust on the circuit board is arranged in the cleaning box, the cleaning unit is composed of a roller type dust removal module and a transmission module, the dust removal module comprises a support, the front end of the cleaning box is provided with the support, the upper end of the support is provided with a rotary motor, two bearing seats are arranged on the inner wall of the rear end of the cleaning box, a rotating shaft is rotatably connected in each bearing seat, a roller is arranged on the outer wall of the rotating shaft, a brush is arranged on the outer wall of the roller, the output shaft of the rotary motor is connected with the lower rotating shaft, a dust collection unit for absorbing dust is arranged below the cleaning unit, the dust collection unit is composed of a filter module and a power module, and the filter module is arranged in the cleaning box through a sliding structure.

[0006] As a preferred, the transmission module comprises a driving gear, the outer wall of the lower rotating shaft is fixedly connected with the driving gear, the outer wall of the upper rotating shaft is fixedly connected with a driven gear, and the driving gear is meshed and connected with the driven gear.

[0007] As preferred, the power module comprises a dust suction fan, the front side of the cleaning box is provided with the dust suction fan, the output port of the dust suction fan is connected with an air pipe, the air pipe extends into the cleaning box, and the tail pipe port of the air pipe is provided with a dust collecting cover.

[0008] As preferred, the filter module comprises a filter plate, the filter plate is arranged in the cleaning box, the filter plate is provided with a filter screen, and the front end of the filter plate is provided with a handle.

[0009] As preferred, the sliding structure comprises a sliding groove, the front end of the cleaning box is provided with a slot, the inner walls of the left and right ends of the cleaning box are provided with sliding grooves, the left and right ends of the filter plate are integrally and fixedly connected with convex rails matched with the sliding grooves, and the convex rails are slidably connected with the sliding grooves.

[0010] As preferred, the rails and the sliding grooves are provided with matched magnets, and the convex rails are magnetically connected with the sliding grooves.

[0011] As preferred, the lower end of the supporting leg is provided with a non-slip pad, and the surface of the non-slip pad is provided with convex small particles.

[0012] The utility model discloses the beneficial effects: this scheme adopts double roller design, and the synchronous rotation of upper and lower rollers is realized with the help of transmission module, the dust on the circuit board is completely removed by using the soft brush, compared with the traditional single brushing mode, not only the cleaning effect is improved, and it is more safe and reliable, simultaneously, the dust suction fan in the power module can produce strong suction, and the dust suction fan, the air pipe and the dust collecting cover cooperate and act, accurately collect dust, effectively prevent dust leakage, avoid the generation of secondary pollution, thereby being superior to the traditional open cleaning equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The first three-dimensional structure schematic view of the utility model is shown;

[0014] Figure 2 The second three-dimensional structure schematic view of the utility model is shown;

[0015] Figure 3 The cleaning unit three-dimensional structure schematic view of the utility model is shown;

[0016] Figure 4 The power module three-dimensional structure schematic view of the utility model is shown;

[0017] Figure 5 The sliding structure three-dimensional structure schematic view of the utility model is shown.

[0018] Explanation of reference numerals: 1, cleaning tank; 2, sliding guide rail; 3, supporting leg; 4, leather curtain; 5, manhole; 6, support; 7, rotary motor; 8, bearing seat; 9, rotating shaft; 10, roller; 11, brush hair; 12, driving gear; 13, driven gear; 14, dust suction fan; 15, air pipe; 16, dust collecting cover; 17, filter plate; 18, filter screen; 19, handle; 20, convex rail; 21, sliding groove; 22, slot. DETAILED DESCRIPTION

[0019] The utility model will be further explained in connection with the drawings and examples.

[0020] Please refer to Figure 1 - Figure 5The utility model provides a kind of embodiment: circuit board cleaning device, including washing tank 1, built-in fixed structure's sliding guide 2 is installed in washing tank 1, circuit board is transported by sliding guide 2, the lower end of sliding guide 2 is provided with support leg 3, the left and right ends of washing tank 1 are provided with leather curtain 4, the right end lower side of washing tank 1 is provided with access door 5, cleaning unit that clean circuit board dust is provided in washing tank 1, and cleaning unit is composed of dust removal module of drum type and transmission module, and dust removal module includes support 6, and the front end of washing tank 1 is provided with support 6, the upper end of support 6 is provided with rotary motor 7, and the rear end inner wall of washing tank 1 is provided with two bearing seats 8, each bearing seat 8 is rotatably connected with shaft 9, the outer wall of shaft 9 is provided with drum 10, the outer wall of drum 10 is provided with bristle 11, the output shaft of rotary motor 7 is connected with lower shaft 9, and the lower side of cleaning unit is provided with dust collection unit that absorbs dust, and dust collection unit is composed of filter module and power module, filter module is arranged in washing tank 1 by sliding structure, and washing tank 1 is the main frame of entire cleaning device, and there is enough space in washing tank 1 to accommodate sliding guide 2, cleaning unit, dust collection unit and other components, sliding guide 2 is installed in washing tank 1 inside, ensure that circuit board can smoothly slide on it, and the fixed structure built in sliding guide 2 can conveniently fix circuit board, to ensure that circuit board remains stable when cleaning dust, the role of leather curtain 4 is to form closed space, prevent dust from flying out during cleaning process, reduce the entry of external pollutants simultaneously, keep the purity of cleaning environment, support 6 provides stable support basis for dust removal module, rotary motor 7 is the power source of dust removal module, the outer wall of shaft 9 is closely matched with drum 10, realizes the rotary motion of drum 10, the design of bearing seat 8 and shaft 9 makes that drum 10 can rotate smoothly, the outer wall of drum 10 is uniformly provided with bristle 11, bristle 11 adopts soft and elastic material, such as nylon or silica gel, to ensure that circuit board surface is not scratched while removing dust, drum 10 is connected with rotary motor 7 by shaft 9, realizes rotary motion, transmission module is responsible for driving the synchronous rotation between two drums 10, ensures the stable operation of dust removal module, high-efficiency filter screen 18 is contained in filter module, can block the dust and small particles generated by cleaning unit, filter module is also designed with the sliding structure that is easy to disassemble and replace, easy to maintain, power module provides suction for filter module, to form negative pressure environment.

[0021] Please refer to Figure 3 - Figure 5In the embodiment, the transmission module comprises a driving gear 12, the outer wall of the lower rotating shaft 9 is fixedly connected with the driving gear 12, the outer wall of the upper rotating shaft 9 is fixedly connected with a driven gear 13, the driving gear 12 is meshingly connected with the driven gear 13, the power module comprises a dust suction fan 14, the front side of the cleaning box 1 is provided with the dust suction fan 14, the output port of the dust suction fan 14 is connected with an air pipe 15, the air pipe 15 extends into the cleaning box 1, the end pipe of the air pipe 15 is provided with a dust collecting cover 16, the filter module comprises a filter plate 17, the cleaning box 1 is provided with the filter plate 17, the filter plate 17 is provided with a filter screen 18, the front end of the filter plate 17 is provided with a handle 19, the sliding structure comprises a sliding groove 21, the front end of the cleaning box 1 is provided with a notch 22, the inner walls of the left and right ends of the cleaning box 1 are provided with the sliding grooves 21, the left and right ends of the filter plate 17 are integrally fixedly connected with convex rails 20 matched with the sliding grooves 21, the convex rails 20 are slidingly connected with the sliding grooves 21, magnets matched with the sliding grooves 21 are arranged in the convex rails 20 and the sliding grooves 21, the convex rails 20 are magnetically connected with the sliding grooves 21, the driving gear 12 and the driven gear 13 are meshingly connected through precise gear design, so that the two upper and lower rollers 10 can rotate synchronously, the dust suction fan 14 is installed on the front side of the cleaning box 1, a strong suction force is generated through motor driving, the strong suction force can ensure that the dust and small particles generated by the cleaning unit are quickly sucked into the filter module for filtration, the air pipe 15 is made of soft and wear-resistant material, so that the air pipe 15 will not be blocked due to bending or extrusion during dust collection, the design of the dust collecting cover 16 ensures that the dust collecting cover 16 can cover the dust area generated by the cleaning unit, improves the dust collecting efficiency, the filter plate 17 is arranged in the cleaning box 1, the inside of the filter plate 17 is provided with the filter screen 18, the filter screen 18 is made of high-efficiency filtering material, such as HEPA filter screen, which can intercept small dust and particles, the front end of the filter plate 17 is provided with the handle 19, so that the operator can easily disassemble and replace the filter plate 17, the design of the sliding structure enables the filter plate 17 to be easily inserted into and pulled out of the cleaning box 1, so that the operator can easily replace and maintain the filter plate 17, at the same time, the magnetic connection also ensures the stability of the filter plate 17 during the cleaning process, preventing the filter plate 17 from falling off due to vibration or external force.

[0022] In the working process, first, the circuit board is fixed by the fixing structure of the sliding guide rail 2, then the rotating motor 7 and the dust suction fan 14 are started, the sliding guide rail 2 will convey the circuit board into the cleaning box 1, at this time, the rotating motor 7 drives the lower rotating shaft 9 to start rotating, and then drives the driving gear 12 to rotate, through the meshing transmission between the gears, the driving gear 12 drives the driven gear 13 to rotate, so that the upper rotating shaft 9 also rotates, the rotating shaft 9 further drives the roller 10 and the brush 11 on the surface of the roller 10 to rotate, thereby realizing the removal of dust on the circuit board.

[0023] At the same time, the dust suction fan 14 generates strong wind to suck the removed dust, which is intercepted by the filter screen 18 and finally falls on the filter screen 18. After cleaning, the filter screen 18 can be pulled out for cleaning by pulling the handle 19.

[0024] Through the above steps, the scheme adopts a double roller 10 design, and realizes the synchronous rotation of the upper and lower rollers 10 by means of the transmission module. The soft bristles 11 are used to clean the dust on the circuit board comprehensively, which not only improves the cleaning effect, but also is safer and more reliable. At the same time, the dust suction fan 14 in the power module can generate strong suction force, which cooperates with the air pipe 15 and the dust collecting cover 16 to accurately collect dust, effectively prevent dust leakage, avoid secondary pollution, and solve the problem that the traditional circuit board cleaning mostly uses single brushing method, which results in poor cleaning, and the open structure of the traditional cleaning equipment makes dust easy to fly and cause secondary pollution and harm the health of the operators.

Claims

1. A circuit board cleaning device, comprising a cleaning box (1), a sliding guide rail (2) with a built-in fixing structure is installed in the cleaning box (1), the circuit board is transported through the sliding guide rail (2), and a supporting leg (3) is arranged at the lower end of the sliding guide rail (2); characterized in that: The left and right ends of the cleaning box (1) are provided with leather curtains (4), the lower side of the right end of the cleaning box (1) is provided with an inspection door (5), the cleaning box (1) is provided with a cleaning unit for cleaning the dust on the circuit board, the cleaning unit is composed of a roller type dust removal module and a transmission module, the dust removal module includes a support (6), the front end of the cleaning box (1) is provided with the support (6), the upper end of the support (6) is provided with a rotary motor (7), the inner wall of the rear end of the cleaning box (1) is provided with two bearing seats (8) in up and down, each bearing seat (8) is rotatably connected with a rotating shaft (9), the outer wall of the rotating shaft (9) is provided with a roller (10), the outer wall of the roller (10) is provided with a brush (11), the output shaft of the rotary motor (7) is connected with the lower rotating shaft (9), the lower side of the cleaning unit is provided with a dust collection unit for absorbing dust, the dust collection unit is composed of a filter module and a power module, the filter module is arranged in the cleaning box (1) through a sliding structure. ​ 2. The circuit board cleaning apparatus of claim 1, wherein: The transmission module includes a driving gear (12), the outer wall of the lower rotating shaft (9) is fixedly connected with the driving gear (12), the outer wall of the upper rotating shaft (9) is fixedly connected with a driven gear (13), the driving gear (12) is meshed with the driven gear (13).

3. The circuit board cleaning apparatus of claim 2, wherein: The power module includes a dust collection fan (14), the front side of the cleaning box (1) is provided with the dust collection fan (14), the output port of the dust collection fan (14) is connected with an air pipe (15), the air pipe (15) extends into the cleaning box (1), the end pipe of the air pipe (15) is provided with a dust collection cover (16).

4. The circuit board cleaning apparatus of claim 3, wherein: The filter module includes a filter plate (17), the cleaning box (1) is provided with the filter plate (17), the filter plate (17) is provided with a filter screen (18), the front end of the filter plate (17) is provided with a handle (19).

5. The circuit board cleaning apparatus of claim 4, wherein: The sliding structure includes a sliding groove (21), the front end of the cleaning box (1) is provided with a notch (22), the inner walls of the left and right ends of the cleaning box (1) are provided with sliding grooves (21), the left and right ends of the filter plate (17) are integrally fixedly connected with convex rails (20) matched with the sliding grooves (21), the convex rails (20) are slidably connected with the sliding grooves (21).

6. The circuit board cleaning apparatus of claim 5, wherein: The convex rails (20) and the sliding grooves (21) are provided with matched magnets, and the convex rails (20) and the sliding grooves (21) are magnetically connected.

7. The circuit board cleaning apparatus of claim 6, wherein: The lower end of the supporting leg (3) is provided with a non-slip pad, and the surface of the non-slip pad is provided with convex small particles.

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