Non-contact anti-sticking cleaning device special for PCB

Abstract

The utility model belongs to the technical field of cleaning devices, and discloses a special non-contact anti-sticking cleaning device for a PCB (Printed Circuit Board), which comprises a working table, two groups of feeding mechanisms, a cleaning mechanism and a power mechanism are arranged on the working table, and the two groups of feeding mechanisms are respectively arranged at the input end and the output end of the cleaning mechanism; the cleaning mechanism comprises an air box, an input pipe is installed at the input end of the air box, four installation grooves are formed between the air box, rolling rollers are rotatably installed in the four installation grooves, air channels are formed in the positions, on the peripheral sides of the installation grooves, of the air box, air outlets communicating with the air channels are densely distributed in the two sides of the installation grooves, and the air outlets are communicated with the air channels. The rolling roller penetrates through the air bellow and then is provided with a first magnetic wheel; with the adoption of the structural design, gas is injected from the input pipe, so that the gas can be uniformly blown on the PCB from the lower side of the PCB, the PCB is cleaned, the movement of the PCB is not influenced, and the rhythm of automatic production is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cleaning device, specifically related to a PCB special non -contact type prevents the adhesive cleaning device of sticking. BACKGROUND

[0002] PCB (Printed Circuit Board), namely printed circuit board, is the important component part of electronic component and electronic product. Its main function is to transfer the circuit pattern on the circuit board to the printed line, forms the circuit structure with certain function, is widely used in various electronic equipment;

[0003] In order to improve reliability and performance, cleaning PCB helps to remove the oil, dust and other residues on the surface, and these pollutants can cause overheating, corrosion and electrical problems, affect the long-term reliability and service life of PCB, especially before coating three waterproof paint, must ensure the cleanliness of PCB surface, to achieve better adhesion and protection effect, in addition, cleaning can improve the solderability of PCB surface and the quality and reliability of electronic equipment solder joint.

[0004] Therefore, how to clean the PCB board, further, applicable to the production of assembly line is a technical problem that needs to be optimized and solved. CONTENT OF THE UTILITY MODEL

[0005] In view of the problems proposed in the above background art, the purpose of the utility model is: aim at providing a PCB special non -contact type prevents the adhesive cleaning device of sticking.

[0006] In order to realize the above technical purpose, the utility model adopts the following technical scheme:

[0007] A PCB special non -contact type prevents the adhesive cleaning device of sticking, including workbench, two groups of feeding mechanism, a cleaning mechanism and power mechanism are installed to the workbench, two groups of the feeding mechanism is divided and is arranged at the input end and the output end of the cleaning mechanism;

[0008] The feeding mechanism includes two vertical plates fixedly installed on the workbench, three upper rotating shafts and three lower rotating shafts are rotatably installed in the two vertical plates, the three upper rotating shafts and the three lower rotating shafts correspond to each other, a plurality of rolling discs are fixedly installed on the upper rotating shaft and the lower rotating shaft at equal intervals, the upper rotating shaft and the lower rotating shaft are provided with first circular gear teeth that are engaged with each other, and first bevel gears are installed at the end of the upper rotating shaft and the lower rotating shaft.

[0009] The cleaning mechanism comprises air boxes, input pipes are installed at input ends of the air boxes, four installation grooves are arranged between the air boxes, rolling rollers are rotatably installed in the four installation grooves, air passages are arranged at the periphery of the installation grooves, air outlets communicating with the air passages are densely arranged on both sides of the installation grooves, and first magnetic force wheels are installed at the rolling rollers penetrating through the air boxes;

[0010] The power mechanism comprises a motor and two bearing plates installed at the side surface of the vertical plate, a driving roller is installed at the output end of the motor, a second bevel gear matched with the first bevel gear is fixedly installed on the driving roller, a driven roller is rotatably installed between the two bearing plates, second circular gears matched with each other are installed on the driven roller and the driving roller, and a second magnetic force wheel matched with the first magnetic force wheel in magnetic force is fixedly installed on the driven roller.

[0011] Further, the rolling disc and the rolling roller are both sleeved with rubber rings, so that the friction effect is ensured and the PCB is not damaged when being contacted.

[0012] Further, the first circular gear and the second circular gear have the same size, so that the spare parts can be easily replaced and maintained.

[0013] Further, the air outlet is provided with an air volume adjusting valve, an efficient filter and a cooling device, so that the air volume adjusting valve can control the air volume, the efficient filter can prevent impurities from being blown on the PCB, and the cooling device can ensure that the temperature of the air blown on the PCB is constant.

[0014] Further, the feeding mechanism is provided with an electrostatic elimination device at the input end, so that the PCB is prevented from being secondarily contaminated.

[0015] The beneficial effects of the utility model are as follows:

[0016] The structure design of the utility model can realize automatic assembly line cleaning, ensure the cleaning efficiency and adapt to social development.

[0017] The structure design of the utility model can realize automatic assembly line cleaning, ensure the cleaning efficiency and adapt to social development.

[0018] The structure design of the utility model can realize automatic assembly line cleaning, ensure the cleaning efficiency and adapt to social development. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.

[0020] Figure 1 Structure diagram of the embodiment of the non-contact type anti-reverse adhesion cleaning device special for PCB of the utility model Figure One ;

[0021] Figure 2 Structure diagram of the embodiment of the non-contact type anti-reverse adhesion cleaning device special for PCB of the utility model Figure Two ;

[0022] Figure 3 Structure diagram of the cross section of the air bellow of the embodiment of the non-contact type anti-reverse adhesion cleaning device special for PCB of the utility model

[0023] The main element symbol is explained as follows:

[0024] Workbench 1, feeding mechanism 2, cleaning mechanism 3, power mechanism 4

[0025] Vertical plate 21, upper rotating shaft 22, lower rotating shaft 23, rolling disc 24, first circular gear 25, first bevel gear 26

[0026] Air bellow 31, input pipe 32, mounting groove 33, rolling roller 34, air duct 35, air outlet 36, first magnetic wheel 37

[0027] Motor 41, bearing plate 42, driving roller 43, second bevel gear 44, driven roller 45, second circular gear 46, second magnetic wheel 47 DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art can better understand the utility model, the utility model technical scheme is further explained below in combination with the drawings and examples.

[0029] As shown in Figure 1 , Figure 2 , Figure 3 The utility model discloses a non-contact type anti-reverse adhesion cleaning device special for PCB, which comprises a workbench 1, and the workbench 1 is installed with two groups of feeding mechanisms 2, a cleaning mechanism 3 and a power mechanism 4.

[0030] The feeding mechanism 2 comprises two vertical plates 21 fixedly installed on the workbench 1, three upper rotating shafts 22 and three lower rotating shafts 23 are rotatably installed in the two vertical plates 21, the three upper rotating shafts 22 and the three lower rotating shafts 23 are in correspondence with each other, a plurality of rolling discs 24 are fixedly installed on the upper rotating shaft 22 and the lower rotating shaft 23 at equal intervals, the upper rotating shaft 22 and the lower rotating shaft 23 are installed with first circular gears 25 that are in mesh with each other, and the upper rotating shaft 22 and the lower rotating shaft 23 are installed with first bevel gears 26 at the ends.

[0031] The cleaning mechanism 3 comprises a wind box 31, an input pipe 32 is installed at the input end of the wind box 31, four installation grooves 33 are arranged between the wind box 31, a rolling roller 34 is rotatably installed in each of the four installation grooves 33, an air channel 35 is arranged at the circumferential side of the installation groove 33, a plurality of air outlets 36 communicating with the air channel 35 are densely arranged at both sides of the installation groove 33, and the rolling roller 34 penetrates through the wind box 31 and is installed with a first magnetic wheel 37;

[0032] The power mechanism 4 comprises a motor 41 and two bearing plates 42 installed at the side surface of the vertical plate 21, a driving roller 43 is installed at the output end of the motor 41, the driving roller 43 is fixedly installed with a second bevel gear 44 matched with the first bevel gear 26, a driven roller 45 is rotatably installed between the two bearing plates 42, the driven roller 45 and the driving roller 43 are installed with second circular gears 46 matched with each other, and the driven roller 45 is fixedly installed with a second magnetic wheel 47 matched with the first magnetic wheel 37.

[0033] In the embodiment, when the PCB enters the gap between the upper rotating shaft 22 and the lower rotating shaft 23 using the special non-contact anti-sticking cleaning device for PCB, the motor 41 is started to drive the driving roller 43 and the driven roller 45 matched with the driving roller 43 to rotate, the rotation of the driving roller 43 drives the second bevel gear 44 to rotate, and then drives the matched first bevel gear 26 to rotate, so that the upper rotating shaft 22 and the lower rotating shaft 23 rotate, thereby achieving the purpose of transferring the PCB between the upper rotating shaft 22 and the lower rotating shaft 23.

[0034] When the PCB moves to the upper side of the cleaning mechanism 3, the gas entering from the input pipe 32 is distributed through the air channel 35 and discharged from the air outlets 36 on the side of the installation groove 33, and the gap between the installation groove 33 and the rolling roller 34 blows and cleans the PCB on the upper side, and because the blowing is upward, the PCB will not be stuck on the rolling roller 34 under the blowing force, thereby ensuring the transfer effect, and under the effect of the first magnetic wheel 37 and the second magnetic wheel 47, the PCB can also be moved during the cleaning process. It should be noted that because the magnetic transmission is used, the installation direction of the first magnetic wheel 37 and the second magnetic wheel 47 can be changed to start the purpose of changing the rotating direction of the rolling roller 34.

[0035] The cleaned PCB is sent to the next process by the feeding mechanism 2 at the output end position.

[0036] Preferably, a rubber ring is sleeved on the rolling disc 24 and the rolling roller 34. Such design can ensure the friction effect while not damaging the PCB. In fact, the selection and installation method of the rubber ring can also be considered according to the specific situation.

[0037] Preferably, the first circular gear 25 and the second circular gear 46 have the same size, which is beneficial to the replacement of spare parts, and in practice, the size of the first circular gear 25 and the second circular gear 46 can be selected according to specific conditions.

[0038] Preferably, the input end of the air outlet 36 is provided with a gas adjusting valve, a high-efficiency filter and a cooling device, which can realize the purpose of gas control, prevent impurities from being blown on the PCB and ensure the constant temperature of the PCB, and in practice, the functional selection of the input end of the air outlet 36 can be considered according to specific conditions.

[0039] Preferably, the input end of the feeding mechanism 2 is provided with an electrostatic elimination device, which can prevent the PCB from being secondarily contaminated, and in practice, the functional installation of the input end of the feeding mechanism 2 can be considered according to specific conditions.

[0040] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the utility model should be covered by the claims of the utility model.

Claims

1. A non-contact anti-sticking cleaning device for PCB, comprising a workbench (1), characterized in that: The workbench (1) is equipped with two sets of feeding mechanisms (2), a cleaning mechanism (3) and a power mechanism (4), and the two sets of feeding mechanisms (2) are respectively placed at the input end and the output end of the cleaning mechanism (3); The feeding mechanism (2) comprises two vertical plates (21) fixedly mounted on the workbench (1), three upper rotating shafts (22) and three lower rotating shafts (23) being rotatably mounted on the two vertical plates (21), the three upper rotating shafts (22) and the three lower rotating shafts (23) corresponding to each other, a plurality of rollers (24) being fixedly mounted on the upper rotating shafts (22) and the lower rotating shafts (23) at equal intervals, the upper rotating shafts (22) and the lower rotating shafts (23) being mounted with first circular gears (25) meshing with each other, and first bevel gears (26) being mounted at the ends of the upper rotating shafts (22) and the lower rotating shafts (23); The cleaning mechanism (3) comprises a bellows (31), an input pipe (32) is installed at the input end of the bellows (31), four mounting grooves (33) are provided between the bellows (31), rolling rollers (34) are rotatably installed in the four mounting grooves (33), the bellows (31) is provided with air passages (35) on the peripheral sides of the mounting grooves (33), air outlets (36) communicating with the air passages (35) are densely distributed on both sides of the mounting grooves (33), and a first magnetic wheel (37) is installed after the rolling roller (34) passes through the bellows (31); The power mechanism (4) comprises a motor (41) and two bearing plates (42) mounted on the side of the vertical plate (21); a driving roller (43) is mounted on the output end of the motor (41); a second helical gear (44) meshing and matching with the first helical gear (26) is fixedly mounted on the driving roller (43); a driven roller (45) is rotatably mounted between the two bearing plates (42); a second circular gear (46) meshing and matching with each other is mounted on the driven roller (45) and the driving roller (43); and a second magnetic wheel (47) magnetically matched with the first magnetic wheel (37) is fixedly mounted on the driven roller (45).

2. The non-contact anti-sticking cleaning device for PCB according to claim 1, characterized in that: The rolling disc (24) and the rolling roller (34) are both sleeved with rubber rings.

3. The non-contact anti-sticking cleaning device for PCB according to claim 2, characterized in that: The first circular gear (25) and the second circular gear (46) have the same specifications and dimensions.

4. The non-contact anti-sticking cleaning device for PCB according to claim 3, characterized in that: The input end of the gas outlet (36) is equipped with a gas volume regulating valve, a high efficiency filter and a cooling device.

5. The non-contact anti-sticking cleaning device for PCB according to claim 4, characterized in that: An electrostatic eliminator is installed at the input end of the feeding mechanism (2).

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