CN111842301A

CN111842301A - Two-sided belt cleaning device of circuit board

Info

Publication number: CN111842301A
Application number: CN202010744505.4A
Authority: CN
Inventors: 周魁青
Original assignee: Ningbo Lixiang Electronics Co ltd
Current assignee: Ningbo Lixiang Electronics Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-30

Abstract

The invention discloses a double-sided cleaning device for a circuit board, which comprises a main body, wherein a power cavity with an upward opening is arranged in the main body, the left side and the right side of the upper end surface of the main body are fixedly connected with fixed blocks respectively, a processing cavity which is through from front to back and has an upward opening is arranged between the fixed blocks, the lower side wall of the processing cavity is fixedly connected with a water tank, a water pool with an upward opening is arranged in the water tank, and a working cavity is arranged in the fixed block; the clamping circuit board can automatically turn over while moving, and the double-sided cleaning and drying are gradually realized; the connecting block drives the spray head to reciprocate, so that the circuit board is uniformly cleaned; when the circuit board moves to the limit position, the functions of cleaning and drying are automatically switched; the circuit board is clamped through the magnet, the clamping force is proper, and elements on the circuit board and the internal micro circuit cannot be damaged.

Description

Two-sided belt cleaning device of circuit board

Technical Field

The invention relates to the field of circuit boards, in particular to a double-sided cleaning device for a circuit board.

Background

A large amount of chemical agents are left on the surface of the circuit board after the circuit board is chemically etched, and the circuit board is damaged due to improper force application when the brush is manually used for cleaning the chemical agents on the circuit board; when cleaning, chemical reagents are absorbed into the human body by splashing water due to improper protection measures of workers, and then the internal organs of the human body are damaged; the circuit on the circuit board is corroded by the cleaning agent due to the fact that the circuit board is not dried in time after being cleaned, and the yield of the circuit board is further reduced.

The circuit board double-side cleaning device can solve the problems.

Disclosure of Invention

In order to solve the problems, the present embodiment designs a circuit board double-sided cleaning device, which comprises a main body, wherein a power cavity with an upward opening is arranged in the main body, the left side and the right side of the upper end surface of the main body are respectively and fixedly connected with a fixed block, a processing cavity which is through from front to back and has an upward opening is arranged between the fixed blocks, a water tank is fixedly connected on the lower side wall of the processing cavity, a water pool with an upward opening is arranged in the water tank, a working cavity is arranged in the fixed block, a transmission shaft is rotatably connected between the upper side wall and the lower side wall of the working cavity on the left side, two thread grooves with the same pitch and opposite rotation directions are arranged on the transmission shaft, the transmission shaft extends upwards to the upper side of the fixed block and downwards to communicate with the power cavity, a slide block is connected on the transmission shaft, the working cavity is communicated with the side wall of the working cavity, the working cavity is provided with a first guide groove and a second guide groove, the second guide groove is communicated with the first guide groove, the width of the second guide groove is larger than that of the first guide groove, a magnet is connected in the second guide groove in a sliding mode, a left-right through placing cavity with a downward opening is arranged on the magnet, the magnet is close to the side of the working cavity and fixedly connected with a clamping block, the lower end face of the clamping block is flush with the side wall of the placing cavity, a connecting rod is rotatably connected between the sliding block and the guide sleeve and penetrates through the first guide groove and the working cavity, the left end of the connecting rod is fixedly connected with a rotating gear, the rotating gear is positioned in the left side of the working cavity, a rack is fixedly connected on the rear side wall of the working cavity, and a matching cavity is arranged in the fixing block, the cooperation chamber is located the left side the working chamber rear side, the rigid coupling has the horizontal pole on the lateral wall about the processing chamber, the horizontal pole is located the upside in pond, be equipped with the vent in the horizontal pole, the vent extend left with cooperation chamber intercommunication, the lateral wall intercommunication is equipped with the decurrent air outlet of opening under the vent, the transmission shaft rotates, and then drives the slider removes, and then passes through the joint pole drives the running gear removes, and then makes the joint pole gets into place the chamber, and then with the circuit board clamp in the joint pole between the clamp splice, and then drive magnet the clamp splice removes, running gear with rack toothing, and then it is rotatory to drive the circuit board.

Beneficially, two communicating cavities are communicated with the front side wall of the matching cavity, the communicating cavities are located on the upper side and the lower side of the rack, the communicating cavities extend forwards to communicate with the left working cavity, a sliding rod is connected in the matching cavity in a sliding manner, the sliding rod extends downwards into the power cavity, the left end face and the right end face of the sliding rod are abutted against the left side face and the right side face of the matching cavity, two push plates are fixedly connected to the front end face of the sliding rod, the push plates penetrate through the communicating cavities and extend forwards into the left working cavity and are in sliding fit with the transmission shaft, the sliding block is located between the two push plates, a ventilation pipe with a downward opening and a communication hole with a rightward opening are arranged in the sliding rod, the communication hole is located at the upper end of the ventilation pipe, the communication hole extends leftwards to communicate with the, and then the communication hole is communicated with the ventilation opening, so that air enters the ventilation opening through the ventilation pipe and the communication hole.

Beneficially, a guide sleeve is connected to the upper end of the transmission shaft through a spline, the guide sleeve extends downwards to the left side into the working cavity, the guide sleeve is in sliding fit with the upper side wall of the working cavity at the left side, the lower end face of the guide sleeve is abutted against the upper end face of the communicating cavity at the upper side, a sliding gear is fixedly connected to the upper end of the guide sleeve, a rotating shaft is fixedly connected to the upper end face of the fixed block at the left side, the rotating shaft is located at the rear side of the guide sleeve, a connecting gear is rotatably connected to the rotating shaft and meshed with the sliding gear, a water pump is fixedly connected to the upper end face of the fixed block at the left side at the rear side of the rotating shaft, a transmission rod is dynamically connected to the upper end of the water pump, a matching gear is fixedly connected to the upper end of the transmission rod and meshed with, and then the water pump is driven to start.

Beneficially, rigid coupling has motor, air exhauster on the lateral wall under the power cavity, the air exhauster is located the motor right side, motor power connect in the transmission shaft, the rigid coupling has drive gear on the transmission shaft, drive gear is located the power cavity, air exhauster upper end power is connected with links up the axle, link up epaxial terminal surface rigid coupling has linkage gear, drive gear linkage gear passes through the belt and connects, starts the motor, and then passes through the transmission shaft drives drive gear, and then passes through the belt drives linkage gear, and then drive the air exhauster starts.

Beneficially, sliding connection has the linking piece on the horizontal pole, it has the shower nozzle to link up a piece rear end face rigid coupling, water pump right-hand member rigid coupling has water pipe, hose, the water pipe is located the front side of hose, the water pipe downwardly extending to in the pond, the hose right-hand member link firmly in the shower nozzle upper end, linking gear up end rigid coupling has the linking handle, it is connected with the connecting rod to rotate on the linking handle, the connecting rod right-hand member articulate in link up piece up end, link up gear revolve, and then drive linking piece slides, and then makes even the spouting on the circuit board of cleaning solution.

Beneficially, air inlets and conveying pipes are fixedly connected to the front end face and the rear end face of the exhaust fan respectively, the rear end of each conveying pipe is fixedly connected with the lower end of the corresponding sliding rod, the air inlets extend forwards to the front side of the main body, the exhaust fan is started, air is sent into the conveying pipes from the air inlets, and then the air is sprayed out from the air outlets through the ventilation pipes.

The invention has the beneficial effects that: the clamping circuit board can automatically turn over while moving, and the double-sided cleaning and drying are gradually realized; the connecting block drives the spray head to reciprocate, so that the circuit board is uniformly cleaned; when the circuit board moves to the limit position, the functions of cleaning and drying are automatically switched; the circuit board is clamped through the magnet, the clamping force is proper, and elements on the circuit board and the internal micro circuit cannot be damaged.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a double-sided cleaning apparatus for circuit boards according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a double-sided cleaning device for a circuit board, which comprises a main body 11, wherein a power cavity 12 with an upward opening is arranged in the main body 11, fixed blocks 32 are fixedly connected to the left side and the right side of the upper end surface of the main body 11 respectively, a processing cavity 58 which is through from front to back and has an upward opening is arranged between the fixed blocks 32, a water tank 43 is fixedly connected to the lower side wall of the processing cavity 58, a water pool 42 with an upward opening is arranged in the water tank 43, a working cavity 33 is arranged in the fixed block 32, a transmission shaft 14 is rotatably connected between the upper side wall and the lower side wall of the working cavity 33 on the left side, two thread grooves with the same thread pitch and opposite rotation directions are arranged on the transmission shaft 14, the transmission shaft 14 extends upwards to the upper side of the fixed block 32 and extends downwards to be communicated with the power cavity 12, sliding connection has a uide bushing 59 on the dead lever 54, the working chamber 33 is close to communicate on the lateral wall of working chamber 58 the working chamber 58 is equipped with first guide way 28, second guide way 34 with first guide way 28 intercommunication just the width of second guide way 34 is greater than the width of first guide way 28, sliding connection has magnet 29 in the second guide way 34, it link up and open decurrent chamber 46 of placing to be equipped with about on the magnet 29, magnet 29 is close to the rigid coupling of working chamber 58 side has clamp splice 30, clamp splice 30 lower end face with place the chamber 46 side wall parallel and level, slider 25 with rotate between the uide bushing 59 and be connected with linking pole 26, linking pole 26 runs through first guide way 28, working chamber 58, linking pole 26 left end rigid coupling has a running gear 27, running gear 27 is located the left side in the working chamber 33, the left side rigid coupling has rack 31 on the lateral wall behind the working chamber 33, and the left side be equipped with cooperation chamber 49 in the fixed block 32, cooperation chamber 49 is located the left side working chamber 33 rear side, the rigid coupling has horizontal pole 56 on the lateral wall about the processing chamber 58, horizontal pole 56 is located the upside of pond 42, be equipped with vent 52 in the horizontal pole 56, vent 52 extends left with cooperation chamber 49 intercommunication, the lateral wall intercommunication is equipped with the decurrent air outlet 57 of opening under the vent 52, transmission shaft 14 rotates, and then drives the slider 25 removes, and then drives through the pole 26 that links up the running gear 27 removes, and then makes the pole 26 that links up get into place the chamber 46, and then presss from both sides the circuit board in the pole 26 that links up between the clamp 30, and then drive magnet 29, clamp 30 remove, running gear 27 with rack 31 meshes, thereby driving the circuit board to rotate.

Beneficially, two communicating cavities 47 are provided on a front side wall of the matching cavity 49 in a communicating manner, the communicating cavities 47 are located on upper and lower sides of the rack 31, the communicating cavities 47 extend forward to communicate with the left working cavity 33, a sliding rod 50 is slidably connected in the matching cavity 49, the sliding rod 50 extends downward to the inside of the power cavity 12, left and right end surfaces of the sliding rod 50 abut against left and right side surfaces of the matching cavity 49, the front end surface of the sliding rod 50 is fixedly connected with two push plates 48, the push plates 48 extend forward to the left working cavity 33 through the communicating cavities 47 and are slidably fitted on the transmission shaft 14, the slider 25 is located between the two push plates 48, a ventilation pipe 51 with a downward opening and a communication hole 55 with a rightward opening are provided in the sliding rod 50, the communication hole 55 is located at an upper end of the ventilation pipe 51, and the communication hole 55 extends leftward to communicate with the ventilation pipe, the slide block 25 drives the push plate 48 on the upper side to move, and further drives the sliding rod 50 to move, so that the communication hole 55 is communicated with the ventilation hole 52, and air enters the ventilation hole 52 through the ventilation pipe 51 and the communication hole 55.

Beneficially, a guide sleeve 45 is splined to the upper end of the transmission shaft 14, the guide sleeve 45 extends downward into the left working cavity 33, the guide sleeve 45 is slidably fitted to the upper side wall of the left working cavity 33, the lower end surface of the guide sleeve 45 abuts against the upper end surface of the upper side communication cavity 47, a sliding gear 44 is fixedly connected to the upper end of the guide sleeve 45, a rotating shaft 39 is fixedly connected to the upper end surface of the left fixing block 32, the rotating shaft 39 is located at the rear side of the guide sleeve 45, a connecting gear 41 is rotatably connected to the rotating shaft 39, the connecting gear 41 is engaged with the sliding gear 44, a water pump 19 is fixedly connected to the rear side of the rotating shaft 39 to the upper end surface of the left fixing block 32, a transmission rod 20 is dynamically connected to the upper end of the water pump 19, a fitting gear 21 is fixedly connected to the upper end of the transmission rod 20, the fitting gear 21 is, and then the sliding gear 44 is driven to rotate through the guide sleeve 45, and then the engaging gear 41 drives the matching gear 21 to rotate, so as to drive the water pump 19 to start.

Beneficially, the rigid coupling has motor 13, air exhauster 16 under power cavity 12 on the lateral wall, air exhauster 16 is located motor 13 right side, motor 13 power connect in transmission shaft 14, the rigid coupling has drive gear 15 on the transmission shaft 14, drive gear 15 is located in

power cavity

12, 16 upper end power connections of air exhauster have a linking axle 17, it has linkage gear 18 to link up the up end rigid coupling of axle 17, drive gear 15 linkage gear 18 passes through belt 22 and connects, starts motor 13, and then passes through transmission shaft 14 drives drive gear 15, and then passes through belt 22 drives linkage gear 18, and then drive air exhauster 16 starts.

Beneficially, there is a joint block 37 slidably connected to the cross rod 56, a nozzle 36 is fixedly connected to the rear end face of the joint block 37, a water pipe 23 and a hose 24 are fixedly connected to the right end of the water pump 19, the water pipe 23 is located at the front side of the hose 24, the water pipe 23 extends downward to the inside of the water pool 42, the right end of the hose 24 is fixedly connected to the upper end of the nozzle 36, a joint handle 40 is fixedly connected to the upper end face of the joint gear 41, a connecting rod 38 is rotatably connected to the joint handle 40, the right end of the connecting rod 38 is hinged to the upper end face of the joint block 37, the joint gear 41 rotates to drive the joint block 37 to slide, so that the cleaning solution is uniformly sprayed on the circuit board.

Advantageously, the front and rear end faces of the exhaust fan 16 are respectively fixedly connected with an air inlet 53 and a delivery pipe 60, the rear end of the delivery pipe 60 is fixedly connected with the lower end of the sliding rod 50, the air inlet 53 extends forwards to the front side of the main body 11, the exhaust fan 16 is started, and then air is sent into the delivery pipe 60 from the air inlet 53 and is further ejected from the air outlet 57 through the ventilation pipe 51.

The following describes in detail the steps of using the circuit board double-sided cleaning device in this document with reference to fig. 1 to 6: initially, the lower push plate 48 abuts against the lower side wall of the lower communicating chamber 47, the slider 25 abuts against the upper end surface of the lower push plate 48, the sliding gear 44 is engaged with the engaging gear 41, the vent 52 is not communicated with the communicating hole 55, the engaging rod 26 is located in the first guide groove 28, and the magnet 29 is located in the second guide groove 34.

Placing the circuit board on the connecting rod 26, starting the motor 13 to drive the transmission shaft 14 to rotate, and further driving the slider 25 to slide up and down in a reciprocating manner, when the slider 25 moves upwards, driving the guide sleeve 59 to slide upwards along the fixing rod 54 through the connecting rod 26, so that the circuit board keeps a balanced state on the connecting rod 26, when the connecting rod 26 moves into the placing cavity 46, the magnet 29 adsorbs the connecting rod 26, and further clamping the circuit board through the clamping block 30, and simultaneously driving the magnet 29 to move upwards through the connecting rod 26, when the rotating gear 27 is meshed with the rack 31, further driving the connecting rod 26 to rotate half a circle through the rotating gear 27, further driving the circuit board to rotate, when the slider 25 is abutted against the lower end surface of the upper push plate 48, driving the upper push plate 48 to slide upwards, further driving the sliding gear 44 to move upwards through the guide sleeve 45, and simultaneously driving the sliding rod 50 to slide upwards along the matching cavity, when the sliding gear 44 is not meshed with the engaging gear 41, the communication hole 55 is communicated with the ventilation hole 52, when the sliding block 25 moves downwards, the sliding block 25 leaves the lower end surface of the upper push plate 48, the friction force between the left and right end surfaces of the sliding rod 50 and the left and right side walls of the matching cavity 49 is enough to support the sliding rod 50 not to slide downwards, so that the push plate 48 is kept static, the circuit board is driven to move downwards by the engaging rod 26, when the rotating gear 27 is meshed with the rack 31, the engaging rod 26 is driven to rotate for a half circle by the rotating gear 27, and the circuit board is driven to rotate, when the sliding block moves to the lower end of the second guide groove 34, the first guide groove 28 is narrower than the second guide groove 34, so that the magnet 29 is clamped in the second guide groove 34, the engaging rod 26 continues to move downwards, the engaging rod 26 is free from the attraction of the magnet 29, so that the engaging rod 26, and taking out the circuit board, after the circuit board is cleaned, the sliding block 25 continues to move downwards to abut against the upper end surface of the lower side push plate 48, so that the device is restored to the initial state.

Meanwhile, the transmission shaft 14 drives the guide sleeve 45 to rotate, and then drives the connecting gear 41 to rotate through the sliding gear 44, and then drives the connecting rod 38 to swing through the connecting handle 40, and then drives the connecting block 37 to slide along the cross rod 56, and then drives the spray head 36 to move, and simultaneously the connecting gear 41 drives the matching gear 21 to rotate, and then drives the water pump 19 to start through the transmission rod 20, so that the cleaning solution in the water tank 42 is sucked through the hose 24, passes through the water pipe 23, and is sprayed to the surface of the circuit board from the spray head 36, and the circuit board is cleaned.

Meanwhile, the transmission shaft 14 drives the transmission gear 15 to rotate, the linkage gear 18 is driven to rotate through the belt 22, the exhaust fan 16 is driven to start through the connecting shaft 17, air is sucked from the air inlet 53, and is sprayed to the surface of the circuit board from the air outlet 57 through the conveying pipe 60, the ventilation pipe 51, the communication hole 55 and the ventilation opening 52, so that the circuit board is dried.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a two-sided belt cleaning device of circuit board, includes the main part, its characterized in that: the water tank is internally provided with a water tank with an upward opening, the fixed block is internally provided with a working cavity, the left side of the working cavity is rotatably connected with a transmission shaft between the upper side wall and the lower side wall, the transmission shaft is provided with two thread grooves with the same thread pitch and opposite rotation directions, and the transmission shaft extends upwards to the upper side of the fixed block and downwards to be communicated with the power cavity; the transmission shaft is in threaded connection with a sliding block, a fixed rod is fixedly connected between the upper side wall and the lower side wall of the working cavity on the right side, a guide sleeve is connected onto the fixed rod in a sliding manner, the side wall of the working cavity, which is close to the machining cavity, is communicated with the machining cavity and is provided with a first guide groove and a second guide groove, the second guide groove is communicated with the first guide groove, the width of the second guide groove is larger than that of the first guide groove, a magnet is connected into the second guide groove in a sliding manner, a placing cavity which is communicated from left to right and has a downward opening is arranged on the magnet, a clamping block is fixedly connected to the side of the magnet, which is close to the machining cavity, and the lower end face; the slider with it is connected with the extension rod to rotate between the uide bushing, the extension rod runs through first guide way the processing chamber, the extension rod left end rigid coupling has a slewing gear, slewing gear is located the left side the working chamber, the left side the rigid coupling has the rack on the working chamber rear side wall, the left side be equipped with the cooperation chamber in the fixed block, the cooperation chamber is located the left side the working chamber rear side, the rigid coupling has the horizontal pole on the lateral wall about the processing chamber, the horizontal pole is located the upside in pond, be equipped with the vent in the horizontal pole, the vent extend left with cooperation chamber intercommunication, lateral wall intercommunication is equipped with the decurrent air outlet of opening under the vent.

2. The double-sided cleaning device for the circuit board as claimed in claim 1, wherein: the intercommunication is equipped with two intercommunication chambeies before the cooperation chamber on the lateral wall, the intercommunication chamber is located both sides about the rack, the intercommunication chamber extends the intercommunication left side forward the working chamber, cooperation intracavity sliding connection has the slide bar, the slide bar downwardly extending to in the power intracavity, the terminal surface is contradicted about the slide bar the side of controlling of cooperation chamber, the terminal surface has linked firmly two push pedals before the slide bar, the push pedal passes the intercommunication chamber extends to the left side forward working chamber and sliding fit in on the transmission shaft, the slider is located two between the push pedal, be equipped with the intercommunication of opening decurrent ventilation pipe and opening right intercommunicating pore in the slide bar, the intercommunicating pore is located the upper end of ventilation pipe, the intercommunicating pore extends the intercommunication left the intercommunication.

3. The double-sided cleaning device for the circuit board as claimed in claim 1, wherein: transmission shaft upper end splined connection has the guide pin bushing, guide pin bushing downwardly extending to the left side in the working chamber, guide pin bushing sliding fit in the left side lateral wall on the working chamber, the terminal surface is contradicted in the upside under the guide pin bushing the up end in intercommunication chamber, guide pin bushing upper end rigid coupling has a sliding gear, and the left side the rigid coupling has a pivot on the fixed block up end, the pivot is located the rear side of guide pin bushing, rotate in the pivot and be connected with linking gear, linking gear with sliding gear meshes, the left side the fixed block up end in pivot rear side rigid coupling has the water pumper, water pumper upper end power is connected with the transfer line, transfer line upper end rigid coupling has the cooperation gear, the cooperation gear with linking gear meshes.

4. The double-sided cleaning device for the circuit board as claimed in claim 1, wherein: the rigid coupling has motor, air exhauster on stating power cavity lower wall, the air exhauster is located the motor right side, motor power connect in the transmission shaft, the rigid coupling has drive gear on the transmission shaft, drive gear is located the power cavity, air exhauster upper end power is connected with links up the axle, link up epaxial end rigid coupling and have linkage gear, drive gear linkage gear passes through the belt and connects.

5. The double-sided cleaning device for the circuit board as claimed in claim 1, wherein: sliding connection has the piece of linking up on the horizontal pole, it has the shower nozzle to link up piece rear end face rigid coupling, water pump right-hand member rigid coupling has water pipe, hose, the water pipe is located the front side of hose, water pipe downwardly extending to in the pond, the hose right-hand member link firmly in the shower nozzle upper end, linking up gear up end rigid coupling has the handle of linking up, it is connected with the connecting rod to rotate on the handle of linking up, the connecting rod right-hand member articulate in link up piece up end.

6. The double-sided cleaning device for the circuit board as claimed in claim 4, wherein: the front end face and the rear end face of the exhaust fan are fixedly connected with an air inlet and a conveying pipe respectively, the rear end of the conveying pipe is fixedly connected with the lower end of the sliding rod, and the air inlet extends forwards to the front side of the main body.