CN210497459U

CN210497459U - Belt cleaning device is used in PCB board processing

Info

Publication number: CN210497459U
Application number: CN201921260366.7U
Authority: CN
Inventors: 杨俊�
Original assignee: Dongguan Yongjiang Electronics Co Ltd
Current assignee: Dongguan Yongjiang Electronics Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-12
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a PCB board processing belt cleaning device, which belongs to the PCB board processing field, and comprises a shell, wherein the shell is fixedly provided with a cleaning tank inside, the top of the shell is provided with a top cover, the inner bottom wall of the cleaning tank is rotationally connected with a rotating installation block, the side wall of the rotating installation block is fixedly provided with a plurality of adjusting fixing frames, the side wall of the cleaning tank is fixedly provided with a plurality of ultrasonic generators, the size of each adjusting fixing frame can be independently adjusted, PCB boards with different sizes can be conveniently cleaned simultaneously, high-frequency mechanical oscillation is generated by the ultrasonic generators and is transmitted into the cleaning liquid, ultrasonic waves are radiated forwards at intervals in the cleaning liquid, a large number of micro bubbles are introduced into the cleaning liquid through micro air ducts, and the micro bubbles in the cleaning liquid vibrate under the action of the ultrasonic waves and are contacted with the surface of the PCB board, impact is generated on the surface of the PCB plate to enable impurities on the surface of the PCB plate to fall off.

Description

Belt cleaning device is used in PCB board processing

Technical Field

The utility model relates to a PCB board processing field, more specifically say, relate to a belt cleaning device is used in PCB board processing.

Background

With the rapid development of electronic technology, the integration level of integrated circuits is higher and higher, and the light, thin, short and miniaturized development is continuously trended, and the high-density interconnection technology of PCB boards has become a necessary trend for development. The cleaning device for processing the PCB is an important tool for cleaning the PCB, the cleaning of the PCB is an extremely important link in the precision electronic assembly, and the cleaning device is mainly used for cleaning away impurities such as scaling powder, expense scraps and the like which are generated in the soldering process and remained on the PCB.

The existing cleaning device for processing the PCB is used for integrally placing the PCB in a hanging basket or fixing the PCB in a clamping groove in the cleaning device, but the clamping groove in the existing cleaning device for processing the PCB can only fix the PCB with one size, so that the application range is small, the PCBs with different sizes are inconvenient to clean simultaneously, and the cleaning efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a belt cleaning device is used in processing of PCB board possesses the PCB board that can fix not equidimension, and application scope is wide, and the advantage that the cleaning performance is good has solved current PCB board processing and can only fix the PCB board of a size of a dimension with belt cleaning device's draw-in groove, and application scope is little, and inconvenient not unidimensional PCB board washs simultaneously, influences the problem of the efficiency of cleaning work.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A cleaning device for PCB processing comprises a shell, wherein a cleaning tank is fixedly arranged in the shell, a top cover is arranged at the top of the shell, a rotary installation block is rotatably connected to the inner bottom wall of the cleaning tank, a plurality of adjusting fixing frames are fixedly arranged on the side wall of the rotary installation block, a plurality of ultrasonic generators are fixedly arranged on the side wall of the cleaning tank, a plurality of fine air guide tubes are fixedly arranged on the side wall of the cleaning tank, an air guide tube is arranged on the left side of the cleaning tank, the left end of the air guide tube penetrates through the cleaning tank to extend into the cleaning tank and is communicated with the fine air guide tubes, the right end of the air guide tube penetrates through the shell and extends to the right side of the shell, a liquid discharge tube is communicated with the left side of the bottom of the cleaning tank, the left end of the liquid discharge tube penetrates through the shell and extends to, the top end of the water return pipe penetrates through the left side wall of the cleaning tank and extends to the inside of the cleaning tank, a motor is fixedly mounted on the inner bottom wall of the shell, a rotating shaft is fixedly connected to an output shaft of the motor, the top end of the rotating shaft sequentially penetrates through the cleaning tank and the rotating mounting block and extends to the inside of the rotating mounting block, when the cleaning tank is used, each adjusting fixing frame is adjusted to enable the size of each adjusting fixing frame to be right suitable for mounting a PCB to be cleaned, then the cleaned PCB is mounted on the adjusting fixing frame, then a proper amount of cleaning liquid is introduced into the cleaning tank and the top cover is closed, the motor is started and drives the rotating shaft to rotate so as to drive the rotating mounting block to rotate, so that the PCB on the adjusting fixing frame moves in the cleaning tank, meanwhile, the ultrasonic generator generates high-frequency mechanical oscillation and transmits the ultrasonic waves into the cleaning liquid, micro-fine bubble in the washing liquid vibrates and contacts with PCB board surface under ultrasonic wave's effect, produce the impurity that strikes and make its surface to PCB board surface and drop, because the PCB board is fixed and is being adjusted the continuous operation on the mount, make the washing angle constantly change, carried out comprehensive washing to each corner, reach and carry out abluent effect to PCB circuit board, liquid after the washing passes through the fluid-discharge tube and discharges, partly washing liquid gets back to the washing tank through the wet return and realizes the circulation washing after filter filters impurity, the effectual water resource of having practiced thrift.

Preferably, a plurality of thermovents have been seted up to the positive one side of casing, the equal fixed mounting in inside of thermovent has dustproof gauze, makes the outside air can get into the casing through the thermovent and inside dispels the heat to the motor, prevents through dustproof gauze that external dust from getting into the casing in, has prolonged the life of device.

Preferably, the adjusting fixing frame comprises a connecting fixing frame which is fixedly connected with the side wall of the rotating installation block, the inside of the connecting fixed frame is connected with a telescopic fixed frame in a sliding way, the tops of the connecting fixed frame and the telescopic fixed frame are both provided with a PCB fixed groove, the side part of the connecting fixing frame is provided with a fixing buckle which sequentially penetrates through the fixing frame and the telescopic fixing frame and extends to the inside of the telescopic fixing frame, pulling the telescopic fixing frame according to the size of the PCB to be fixed to make the size of the PCB fixing groove equal to that of the PCB to be fixed, then installing the fixing buckle to keep the connecting fixing frame and the telescopic fixing frame fixed, then install the PCB board in the PCB fixed slot, every is adjusted the mount and all can be adjusted the size alone, makes things convenient for not unidimensional PCB board to wash simultaneously, has improved the efficiency of cleaning.

Preferably, the inside wall fixed mounting of PCB fixed slot has a plurality of rubber fixed blocks, when the PCB board was installed in the PCB fixed slot, played the effect of elastic support to the PCB board through the rubber fixed block, avoided the too big and cause rupture and damage of PCB board atress when the guarantee PCB board remains stable.

Preferably, the bottom of washing tank and the position fixed mounting that the pivot contacted have the sealing washer, have prevented through the sealing washer that the washing liquid in the washing tank takes place to reveal, have ensured the normal operating of device.

Preferably, a plurality of electrical heating blocks are fixedly mounted on the inner bottom wall of the cleaning tank, and when the temperature of the cleaning liquid is too low, the cleaning liquid in the cleaning tank is heated through the electrical heating blocks, so that the cleaning liquid meets the best cleaning temperature, and the cleaning effect is improved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, each adjusting fixing frame is adjusted to enable the size of the adjusting fixing frame to be just right installed with a PCB to be cleaned, then the cleaned PCB is installed on the adjusting fixing frame, then a proper amount of cleaning solution is introduced into the cleaning tank, the top cover is closed, the motor is started, the motor drives the rotating shaft to rotate, further the rotating installation block is driven to rotate, the PCB on the adjusting fixing frame moves in the cleaning tank, meanwhile, the ultrasonic generator generates high-frequency mechanical oscillation and transmits the high-frequency mechanical oscillation into the cleaning solution, ultrasonic waves are radiated forwards at intervals in the cleaning solution, a large amount of micro-fine bubbles are introduced into the cleaning solution through the micro-fine air ducts, the micro-fine bubbles in the cleaning solution vibrate under the action of the ultrasonic waves and are contacted with the surface of the PCB, and impact is generated on the surface of the PCB to enable impurities on, carry out comprehensive washing to each corner, reached and carry out abluent effect to the PCB circuit board, liquid after the washing passes through the fluid-discharge tube and discharges, and partial washing liquid filters the back through the filter and gets back to through the wet return and realize the circulation washing in the washing tank, the effectual water resource of having practiced thrift.

(2) This scheme makes the outside air can get into the casing through the thermovent and inside dispels the heat to the motor, prevents through dustproof gauze that external dust from getting into the casing in, has prolonged the life of device.

(3) When this scheme uses, according to the flexible mount of the size pulling of the PCB board that will fix for the size of PCB fixed slot equals the size of the PCB board that will fix, installs fixed knot after that and makes connection mount and flexible mount keep fixed, then installs the PCB board in the PCB fixed slot, and every regulation mount all can adjust the size alone, makes things convenient for not unidimensional PCB board to wash simultaneously, has improved the efficiency of cleaning.

(4) This scheme when the PCB board is installed in the PCB fixed slot, plays the effect of elastic support through the rubber fixed block to the PCB board, avoids the too big and fracture and damage of PCB board atress to cause when guarantee PCB board remains stable.

(5) This scheme has prevented the washing liquid in the washing tank to take place to reveal through the sealing washer, has ensured the normal operating of device.

(6) This scheme heats the washing liquid in the washing tank through the electrical heating piece, makes the washing liquid satisfy best washing temperature, improves the cleaning performance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the adjustable fixing frame of the present invention;

fig. 4 is a schematic structural diagram of the sealing ring of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. a cleaning tank; 3. a top cover; 4. rotating the mounting block; 5. adjusting the fixing frame; 6. an ultrasonic generator; 7. a fine airway; 8. an air duct; 9. a liquid discharge pipe; 10. a filter; 11. a water return pipe; 12. a motor; 13. a rotating shaft; 101. a heat dissipation port; 102. a dust-proof gauze; 501. connecting the fixed frame; 502. a telescopic fixing frame; 503. a PCB fixing groove; 504. a fixing buckle; 531. a rubber fixing block; 201. a seal ring; 202. and (4) electrically heating the block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a cleaning device for processing a PCB comprises a housing 1, a cleaning tank 2 is fixedly installed inside the housing 1, a top cover 3 is installed on the top of the housing 1, a rotating installation block 4 is rotatably connected to the inner bottom wall of the cleaning tank 2, a plurality of adjusting fixing frames 5 are fixedly installed on the side wall of the rotating installation block 4, a plurality of ultrasonic generators 6 are fixedly installed on the side wall of the cleaning tank 2, a plurality of fine air ducts 7 are fixedly installed on the side wall of the cleaning tank 2, an air duct 8 is arranged on the left side of the cleaning tank 2, the left end of the air duct 8 penetrates through the cleaning tank 2 and extends into the cleaning tank 2 and is communicated with the fine air ducts 7, the right end of the air duct 8 penetrates through the housing 1 and extends to the right side of the housing 1, a liquid discharge pipe 9 is communicated with the left side of the bottom of the cleaning tank 2, the left, the top end of the filter 10 is communicated with a water return pipe 11, the top end of the water return pipe 11 penetrates through the left side wall of the cleaning tank 2 and extends into the cleaning tank 2, a motor 12 is fixedly installed on the inner bottom wall of the shell 1, the model of the motor 12 is YS7124, an output shaft of the motor 12 is fixedly connected with a rotating shaft 13, the top end of the rotating shaft 13 sequentially penetrates through the cleaning tank 2 and the rotating installation block 4 and extends into the rotating installation block 4, when the cleaning tank is used, each adjusting fixing frame 5 is adjusted to enable the size of the adjusting fixing frame to be just suitable for installing a PCB to be cleaned, then the cleaned PCB is installed on the adjusting fixing frame 5, then a proper amount of cleaning solution is introduced into the cleaning tank 2 and the top cover 3 is closed, the motor 12 is started, the motor 12 drives the rotating shaft 13 to rotate, further drives the rotating installation block 4 to rotate, so that the PCB on, propagate to the washing liquid, the ultrasonic wave is the alternate radiation forward of density in the washing liquid, let in a large amount of micro-bubbles to the washing liquid through micro-air duct 7, micro-bubble in the washing liquid vibrates and contacts with PCB board surface under ultrasonic wave's effect, it drops to produce the impurity that strikes its surface to PCB board surface, because the PCB board is fixed and is constantly operated on adjusting mount 5, make and wash the angle and constantly change, comprehensive washing has been carried out to each corner, reach and carry out abluent effect to PCB board, liquid after the washing passes through fluid-discharge tube 9 and discharges, realize the circulation through return water pipe 11 and wash in getting back to washing tank 2 after filter 10 filters impurity, the effectual water resource of having practiced thrift.

Furthermore, a plurality of thermovents 101 have been seted up to the positive one side of casing 1, and the equal fixed mounting in inside of thermovent 101 has dustproof gauze 102, makes the outside air can get into casing 1 through thermovent 101 inside dispels the heat to motor 12, prevents through dustproof gauze 102 that outside dust from getting into casing 1, has prolonged the life of device.

Further, the adjusting fixing frame 5 comprises a connecting fixing frame 501, the connecting fixing frame 501 is fixedly connected with the side wall of the rotating installation block 4, a telescopic fixing frame 502 is slidably connected inside the connecting fixing frame 501, both the tops of the connecting fixing frame 501 and the telescopic fixing frame 502 are provided with a PCB fixing groove 503, the side part of the connecting fixing frame 501 is provided with a fixing buckle 504, the fixing buckle 504 sequentially penetrates through the connecting fixing frame 501 and the telescopic fixing frame 502 and extends to the inside of the telescopic fixing frame 502, when in use, the telescopic fixing frame 502 is pulled according to the size of a PCB to be fixed, so that the size of the PCB fixing groove 503 is equal to the size of the PCB to be fixed, then the fixing buckle 504 is installed to keep the connecting fixing frame 501 and the telescopic fixing frame 502 fixed, then the PCB is installed in the PCB fixing groove 503, each adjusting fixing frame 5 can independently adjust the size, the efficiency of cleaning work is improved.

Further, the inside wall fixed mounting of PCB fixed slot 503 has a plurality of rubber fixed blocks 531, and when the PCB board was installed in PCB fixed slot 503, played the effect of elastic support to the PCB board through rubber fixed block 531, avoided the too big and cause rupture and damage of PCB board atress when the guarantee PCB board remains stable.

Further, the bottom of the cleaning tank 2 is fixedly provided with a sealing ring 201 at a position contacting with the rotating shaft 13, the cleaning liquid in the cleaning tank 2 is prevented from leaking through the sealing ring 201, and the normal operation of the device is guaranteed.

Further, a plurality of electric heating blocks 202 are fixedly mounted on the inner bottom wall of the cleaning tank 2, and when the temperature of the cleaning liquid is too low, the cleaning liquid in the cleaning tank 2 is heated by the electric heating blocks 202, so that the cleaning liquid meets the optimal cleaning temperature, and the cleaning effect is improved.

The working principle is as follows: when in use, each adjusting fixing frame 5 is adjusted to enable the size of the adjusting fixing frame to be just right to install a PCB to be cleaned, then the cleaned PCB is installed on the adjusting fixing frame 5, then a proper amount of cleaning solution is introduced into the cleaning tank 2, the top cover 3 is closed, the motor 12 is started, the motor 12 drives the rotating shaft 13 to rotate, and further drives the rotating installation block 4 to rotate, so that the PCB on the adjusting fixing frame 5 moves in the cleaning tank 2, meanwhile, the ultrasonic generator 6 generates high-frequency mechanical oscillation and transmits the high-frequency mechanical oscillation into the cleaning solution, ultrasonic waves are radiated forwards at intervals in the cleaning solution, a large amount of micro-bubbles are introduced into the cleaning solution through the micro-air duct 7, the micro-bubbles in the cleaning solution vibrate under the action of the ultrasonic waves and are contacted with the surface of the PCB, the impact is generated on the surface of the PCB, make and wash the angle and constantly change, carried out comprehensive washing to each corner, reach and carry out abluent effect to the PCB circuit board, liquid after the washing passes through fluid-discharge tube 9 and discharges, partial washing liquid filters through filter 10 and gets back to through wet return 11 and realize the circulation washing in washing tank 2 after impurity, the effectual water resource of having practiced thrift, the draw-in groove of having solved current belt cleaning device for PCB board processing can only fix the PCB board of a size of a dimension, application scope is little, and inconvenient not unidimensional PCB board washs simultaneously, influence the problem of the efficiency of cleaning work.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a belt cleaning device is used in processing of PCB board, includes casing (1), its characterized in that: the cleaning device is characterized in that a cleaning tank (2) is fixedly mounted inside the shell (1), a top cover (3) is arranged at the top of the shell (1), a rotating installation block (4) is connected to the inner bottom wall of the cleaning tank (2) in a rotating mode, a plurality of adjusting fixing frames (5) are fixedly mounted on the side wall of the rotating installation block (4), a plurality of ultrasonic generators (6) are fixedly mounted on the side wall of the cleaning tank (2), a plurality of fine air guide tubes (7) are fixedly mounted on the side wall of the cleaning tank (2), an air guide tube (8) is arranged on the left side of the cleaning tank (2), the left end of the air guide tube (8) penetrates through the cleaning tank (2) and extends into the cleaning tank (2) and is communicated with the fine air guide tubes (7), the right end of the air guide tube (8) penetrates through the shell (1) and extends to the right side of, the left end of fluid-discharge tube (9) runs through casing (1) and extends to the left side of casing (1), the middle part of fluid-discharge tube (9) is provided with filter (10), the top intercommunication of filter (10) has wet return (11), the top of wet return (11) runs through the left side wall of washing tank (2) and extends to the inside of washing tank (2), the interior diapire fixed mounting of casing (1) has motor (12), the output shaft fixedly connected with pivot (13) of motor (12), the top of pivot (13) runs through washing tank (2) in proper order and rotates installation piece (4) and extends to the inside of rotating installation piece (4).

2. The cleaning device for PCB processing as claimed in claim 1, wherein: a plurality of heat dissipation ports (101) are formed in one side of the front face of the shell (1), and dustproof gauze (102) are fixedly mounted inside the heat dissipation ports (101).

3. The cleaning device for PCB processing as claimed in claim 1, wherein: adjust mount (5) including connecting mount (501), connect mount (501) and the lateral wall fixed connection who rotates installation piece (4), the inside sliding connection who connects mount (501) has flexible mount (502), PCB fixed slot (503) have all been seted up at the top of connecting mount (501) and flexible mount (502), the lateral part of connecting mount (501) is provided with fixed knot (504), fixed knot (504) run through connection mount (501) and flexible mount (502) in proper order and extend to the inside of flexible mount (502).

4. The cleaning device for PCB processing as claimed in claim 3, wherein: and a plurality of rubber fixing blocks (531) are fixedly arranged on the inner side wall of the PCB fixing groove (503).

5. The cleaning device for PCB processing as claimed in claim 1, wherein: and a sealing ring (201) is fixedly arranged at the contact position of the bottom of the cleaning tank (2) and the rotating shaft (13).

6. The cleaning device for PCB processing as claimed in claim 1, wherein: a plurality of electric heating blocks (202) are fixedly arranged on the inner bottom wall of the cleaning tank (2).