CN111589788A - Immersive PCB cleaning system - Google Patents

Abstract

The invention provides an immersion type PCB cleaning system, which comprises a cleaning box and a clamping and fixing device, cleaning device, the cleaning box includes the box, the inside of box is provided with the piston, the rectangle evagination that the front and back was arranged is seted up to the right flank of box is uncovered just, clamping fixing device sets up in uncovered department and sets to the state of pushing and the state of pulling out that can switch to each other, the clamping fixing device of the state of pushing in slides to the box inside and to uncovered sealed shutoff by uncovered, the clamping fixing device of the state of pulling out slides to the outside of box and this state is initial form by uncovered, cleaning device fixed mounting is on the left inner wall of box and just to arranging with uncovered, the liquid level of sanitizer is located open below under the initial state, be provided with lift actuating mechanism on the chassis, lift actuating mechanism is used for driving the piston upwards to slide and make the ascending submergence of sanitizer liquid level push the tight circuit board of state clamping fixing device centre gripping.

Description

Immersive PCB cleaning system

Technical Field

The invention relates to the technical field of circuit board recovery, in particular to an immersive PCB cleaning system.

Background

In the production, processing and treatment process of the PCB, an effective cleaning process is required to be adopted to ensure the quality of the PCB and avoid adhering dust and other impurities, and the cleaning process is very important and is one of key factors influencing the quality of the PCB.

At present, the traditional PCB cleaning equipment has the problems of incomplete cleaning, dead angles in the cleaning process and the like, so that the PCB is unstable in the subsequent processing process, and the service life of the PCB is influenced.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the liquid-lifting immersion type ultrasonic circuit board cleaner which is ingenious in structure, simple in principle, high in automation degree and high in cleaning efficiency, and aims to solve the technical problems that the circuit board cleaning in the prior art is low in automation degree and cleaning efficiency, and operators are easily injured.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The immersive PCB cleaning system comprises a cleaning box filled with a cleaning agent, a clamping fixing device used for clamping and tightly pushing the circuit board into the cleaning box, and a cleaning device used for cleaning and cleaning the circuit board pushed into the cleaning box, wherein the cleaning box comprises a rectangular box body with openings at the upper end and the lower end, a floor support is fixedly arranged on the lower end face of the box body, an end cover with a handle is arranged at the upper end opening of the box body, a rectangular piston matched with the box body in a sealing sliding guide manner is arranged in the box body, the piston is positioned at the bottom of the box body in an initial state, a rectangular convex opening arranged in the front and back direction is formed in the right side face of the box body, the opening is close to the upper end opening of the box body, and the clamping fixing device is arranged at the opening and is set into a pushing state and a pulling state which can be mutually switched, the clamping and fixing device in the pushing-in state slides to the interior of the box body from the opening and seals the opening, the clamping and fixing device in the pulling-out state slides to the exterior of the box body from the opening and is in an initial state, and the cleaning device is fixedly arranged on the inner wall of the left side of the box body and is arranged opposite to the opening;

the liquid level of the cleaning agent is located below the opening in the initial state, a lifting driving mechanism is arranged on the bottom frame and used for driving the piston to slide upwards and enabling the liquid level of the cleaning agent to rise and submerge the circuit board clamped and pushed into the clamping and fixing device in the pushing state, a built-in boss is fixedly arranged on the inner wall of the box body and used for restraining the upward sliding of the piston and arranged close to the lower edge of the opening, an outer discharge opening is formed in the rear side of the box body and flush with the upper end face of the piston in the initial state, and a plug screw matched with the outer discharge opening in a sealing connection mode is arranged on the outer discharge opening.

As a further optimization or improvement of the present solution.

The lifting driving mechanism comprises a sleeve fixedly arranged at the middle position of the lower end face of the piston and vertically arranged in the axial direction, a lifting screw rod arranged on the bottom frame and vertically arranged in the axial direction is rotated, the sleeve is coaxially sleeved outside the lifting screw rod, the sleeve and the lifting screw rod form threaded connection matching, the lifting driving mechanism further comprises a lifting motor fixedly arranged on the bottom frame, the axial direction of an output shaft of the lifting motor is vertically arranged, a first driving gear is coaxially fixedly sleeved on the output shaft of the lifting motor, and a first driven gear and a first driving gear which are meshed with the first driven gear are coaxially fixedly sleeved on the driving end of the lifting.

As a further optimization or improvement of the present solution.

The clamping and fixing device comprises a clamping mechanism and a push-pull driving mechanism, the clamping mechanism is used for clamping and clamping a circuit board, the push-pull driving mechanism is used for driving the clamping mechanism to slide towards the inside of the box body or towards the outside of the box body along the open direction, the clamping mechanism comprises a guide rail fixedly arranged on the front inner wall and the rear inner wall of the box body, the guide rail extends from the right side wall to the left side wall of the box body, a rectangular connecting plate for connecting the clamping mechanism and the box body is fixedly arranged at the right end of the guide rail, the connecting plate is attached to the right side wall, a rectangular guide opening is formed in the connecting plate, one end of the guide block in the length direction extends to one guide rail, the other end of the guide block extends to the other guide rail, a rectangular sliding plate matched with the guide rail is arranged on one end face of the guide rail, the sliding plate and the guide rail form, the adjustable shelf is arranged along the fore-and-aft direction, and the activity is provided with the clamp splice on the left side terminal surface of adjustable shelf, and the clamp splice is provided with two and along left right direction symmetrical arrangement, and the clamp splice constitutes the sliding guide cooperation with the adjustable shelf along the fore-and-aft direction, and the fixed splint that are provided with the level and extend on the left side terminal surface of clamp splice, splint have seted up V type draw-in groove on being close to a terminal surface each other.

As a further optimization or improvement of the present solution.

The movable frame is also provided with two-way mountains which are axially arranged along the front-back direction, each two-way screw rod is composed of a forward thread section and a reverse thread section which are equal in length, the end part of each two-way screw rod is in running connection fit with the movable frame, one clamping block is sleeved on the forward thread section of each two-way screw rod and is in running connection fit with the forward thread section, the other clamping block is sleeved on the reverse thread section of each two-way screw rod and is in running connection fit with the reverse thread section of each two-way screw rod, the right end of the movable frame is provided with a clamping motor, the axial direction of an output shaft of the clamping motor is perpendicular to the axial direction of each two-way screw rod, a first bevel gear transmission assembly used for connecting the two bevel gear transmission assemblies is arranged between the output shaft.

As a further optimization or improvement of the present solution.

The right side end face of the movable frame is fixedly provided with a rectangular sealing plate, the sealing plate is arranged opposite to the opening, the area of the sealing plate is consistent with that of the opening, a waterproof adhesive tape is wrapped on the outer edge of the sealing plate, the sealing plate can seal and block the opening when sliding and inserted into the opening, the clamping motor is fixedly connected with the right side end face of the sealing plate, and an output shaft of the clamping motor is matched with the sealing plate in a sealing and rotating mode.

As a further optimization or improvement of the present solution.

The push-pull driving mechanism comprises a second driving gear which is rotatably arranged at the corner of the connecting part of the guide rail and the connecting plate, a second rack which is fixedly arranged on the upper end surface of the sliding plate, the second driving gear is axially and vertically arranged and meshed with the second rack, the second rack is provided with a sliding plate, the other end of the sliding plate extends to the other end along the length direction, the push-pull driving mechanism also comprises a push-pull motor which is fixedly arranged outside the box body and a transmission shaft which is rotatably arranged between the two guide rails, the output shaft of the push-pull motor is axially arranged along the front and back direction, the transmission shaft is arranged close to the connecting plate and axially arranged along the front and back direction, the driving end of the transmission shaft movably penetrates out of the box body and forms sealed rotary connection and matching with the box body, a first belt transmission component which is used for connecting the, a second bevel gear transmission assembly used for connecting the transmission shaft and the second driving gear is arranged between the transmission shaft and a rotating shaft of the second driving gear, and the second bevel gear transmission assembly can transmit power on the transmission shaft to the second driving gear and drive the second driving gear to rotate.

As a further optimization or improvement of the present solution.

Cleaning device include front and back actuating mechanism, upper and lower actuating mechanism, control actuating mechanism and cleaning brush, the cleaning brush is provided with two and one of them cleaning brush is located the top of propelling movement to the circuit board up end in the box under initial condition, another cleaning brush is located the below of propelling movement to the terminal surface under the circuit board in the box under initial condition, upper and lower actuating mechanism is provided with two and independent arrangement from top to bottom, the upper and lower actuating mechanism that is located the top is used for driving the cleaning brush downstream that is located the top and contacts with the up end of circuit board, the upper and lower actuating mechanism that is located the below is used for driving the cleaning brush upward movement that is located the below and contacts with the lower terminal surface of circuit board, front and back actuating mechanism is used for driving the cleaning brush to translate along the fore-and-aft direction, left and right actuating mechanism is used for driving the cleaning brush to translate along The upper end face/lower end face of the circuit board contacted with the cleaning agent is cleaned and cleaned completely.

As a further optimization or improvement of the present solution.

The cleaning brush include the vertical circular type brush head of arranging of axial, the brush head is close to a terminal surface coaxial annular needle type brush hair and the outer disc of brush head and flushes mutually, the brush head deviates from a terminal surface coaxial fixed hollow stereoplasm connecting pipe each other, the connecting pipe deviates from a terminal surface fixed massive brush holder each other, the brush head is close to a terminal surface each other and still is provided with the supersonic generator of loudspeaker form, the coaxial embedding of supersonic generator is located on the brush head is close to a terminal surface each other, supersonic generator is located the inboard of cyclic annular brush hair.

As a further optimization or improvement of the present solution.

The cleaning brush is characterized in that a conical annular air nozzle is arranged between the ultrasonic generator and the brush head, the opening size of the air nozzle is gradually increased from the direction of the brush handle pointing to the brush head, the input end of the air nozzle is communicated with the output end of the connecting pipe through the guide hole, the cleaning brush further comprises a flexible three-way pipe, the three-way pipe comprises an input end and two output ends, the input end of the three-way pipe is communicated with the air outlet of the air heater, and the two output ends of the three-way pipe are respectively communicated with the input end of the connecting pipe.

As a further optimization or improvement of the present solution.

The front and rear driving mechanism comprises a first guide frame fixedly arranged on the left side wall of the box body, the first guide frame is arranged along the front and rear direction, a first sliding block matched with the first guide frame is movably arranged on one end surface of the first guide frame, which is close to the opening, the first sliding block and the first guide frame form sliding guide fit along the front and rear direction, the first sliding block in an initial state is positioned at the middle position of the first guide frame along the front and rear direction, a first screw rod is arranged on the first guide frame, the end part of the first screw rod is rotationally connected and matched with the first guide frame, the first screw rod is axially arranged along the front and rear direction, the sliding block is sleeved on the first screw rod and forms threaded connection and fit with the first screw rod, a mounting frame is fixedly arranged on one end surface of the first sliding block, the upper and lower driving mechanisms are fixedly arranged on the mounting, the cleaning brush is installed on controlling actuating mechanism, front and back actuating mechanism still include that fixed mounting is in the outside output shaft axial of main motor one and main motor one of box be on a parallel with the axial of lead screw one, the drive end of lead screw one is worn out to the outside of box and rather than constituting sealed swivelling joint cooperation, be provided with between main motor one and the lead screw drive end and be used for connecting belt drive assembly two between them, belt drive assembly two can be with the power transmission on the output shaft of main motor one to the lead screw one and drive the lead screw one and rotate.

As a further optimization or improvement of the present solution.

The upper and lower driving mechanism located above is installed on the upper end face of the installation frame, the upper and lower driving mechanism located below is installed on the lower end face of the installation frame, the upper and lower driving mechanism comprises a guide frame II which is fixedly installed on the upper end face/lower end face of the installation frame and is vertically arranged, a slide block II adaptive to the guide frame II is movably arranged on the guide frame II close to the open end face, the guide frame II and the slide block II form sliding guide fit along the vertical direction, a screw rod II axially and vertically arranged is further arranged on one end face of the guide frame II close to the open end face, the end portion of the screw rod II is rotatably connected and matched with the guide frame II, the slide block II is sleeved on the screw rod II and forms threaded connection and fit with the screw rod II, the left and right driving mechanism is installed on the slide block II, the upper and lower driving mechanism further comprises a main motor II fixedly installed on the installation frame, the output shaft of the main motor And the bevel gear transmission assembly III can transmit the power on the output shaft of the main motor II to the screw rod II and drive the screw rod II to rotate.

As a further optimization or improvement of the present solution.

The left and right driving mechanism comprises a third guide frame which is in one-to-one correspondence with the second sliding block and is fixedly connected with the third sliding block, the third guide frame extends towards the right side wall of the box body, a third screw rod is arranged on one end face of the third guide frame, the axial direction of the third screw rod is arranged along the left and right directions, the end part of the third screw rod is in rotating connection and matching with the third guide frame, the brush handle is sleeved on the third guide frame, the two guide frames form sliding guide matching along the left and right directions, the brush handle is in threaded connection and matching with the third screw rod, a third main motor is fixedly installed at the end part of the third guide frame, the axial direction of the third output shaft of the main motor is perpendicular to the axial direction of the third screw rod, a fourth bevel gear transmission assembly used for connecting the third output shaft of the main motor and the driving end of the third screw rod is arranged between the third.

Compared with the prior art, the cleaning device has the advantages of ingenious structure, simple principle, high automation degree and high cleaning efficiency, the cleaning device can efficiently clean the circuit board arranged between the cleaning device and the circuit board through the cleaning brushes which are arranged up and down and provided with the ultrasonic generators, the cleaning brushes can translate along the front-back direction and the left-right direction to clean the circuit board comprehensively, the clamping and conveying of the circuit board between the two cleaning brushes are realized by mechanical automation, the cleaning efficiency of the circuit board is greatly improved, and the labor intensity of operators is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an initial state of the present invention.

Fig. 2 is a schematic structural diagram of the working state of the present invention.

Fig. 3 is a sectional view showing an operation state of the present invention.

Fig. 4 is a schematic structural view of the cleaning tank.

Fig. 5 is a sectional view of the clean box.

FIG. 6 is a view showing the combination of the lift driving mechanism and the piston

Fig. 7 is a view showing the lifting drive mechanism in cooperation with the piston.

FIG. 8 is a view showing the engagement of the clamping fixture with the cleaning tank.

Fig. 9 is a schematic structural view of the initial state of the clamping and fixing device.

Fig. 10 is a partial structural view of the clamping mechanism.

Fig. 11 is a partial structural view of the clamping mechanism.

Fig. 12 is a partial structural view of the clamping mechanism.

Fig. 13 is a partial structural view of the clamping mechanism.

Fig. 14 is a partial structural view of the clamping mechanism.

Figure 15 shows the push-pull actuator in cooperation with the gripper mechanism.

Fig. 16 is a schematic structural view of the push-pull drive mechanism.

Fig. 17 is a view showing the cleaning device and the circuit board.

Fig. 18 is a schematic view showing the structure of the washing brush.

Fig. 19 is a sectional view of the washing brush.

Fig. 20 is a schematic view showing the structure of the washing brush.

Fig. 21 is a combination view of the front-rear driving mechanism, the up-down driving mechanism, and the left-right driving mechanism.

Fig. 22 is a schematic structural view of the front-rear drive mechanism.

Fig. 23 is a schematic structural view of the up-down driving mechanism.

Fig. 24 is a schematic structural view of the up-down driving mechanism.

Fig. 25 is a schematic structural view of the left-right driving mechanism.

Fig. 26 is a schematic view of the internal structure of the left-right drive mechanism.

Labeled as:

100. a cleaning tank; 101. a box body; 102. a chassis; 103. an end cap; 104. a piston; 105. opening the mouth; 106. a plug screw; 110. a lifting drive mechanism; 111. a sleeve; 112. a lifting screw rod; 113. a lifting motor; 114. a first driving gear; 115. a first driven gear;

200. a clamping and fixing device; 210. a clamping mechanism; 211. a guide rail; 211a, a connecting plate; 211b, a guide port; 212. a movable frame; 213. a slide plate; 214. a clamping block; 215. a splint; 215a, a V-shaped card slot; 216. a bidirectional screw rod; 217. a clamping motor; 218. a first bevel gear transmission component; 219. a sealing plate; 220. a push-pull driving mechanism; 221. a second driving gear; 222. a second rack; 223. a push-pull motor; 224. a drive shaft; 225. a first belt transmission assembly; 226. a bevel gear transmission component II;

300. a cleaning device; 310. a front and rear drive mechanism; 311. a first guide frame; 312. a first sliding block; 313. a first screw rod; 314. a first main motor; 315. a belt transmission assembly II; 316. a mounting frame; 320. an up-down driving mechanism; 321. a second guide frame; 322. a second sliding block; 323. a second screw rod; 324. a second main motor; 325. a bevel gear transmission component III; 330. a left and right driving mechanism; 331. a third guide frame; 332. a third screw rod; 333. a third main motor; 334. a bevel gear transmission component IV; 340. cleaning brushes; 341. a brush head; 342. a connecting pipe; 343. a brush handle; 344. an ultrasonic generator; 345. an air jet; 346. a three-way pipe.

Detailed Description

Referring to fig. 1-26, an immersion type PCB circuit board cleaning system comprises a cleaning box 100 filled with a cleaning agent, a clamping and fixing device 200 for clamping and pushing the circuit board into the cleaning box 100, and a cleaning device 300 for cleaning and cleaning the circuit board pushed into the cleaning box 100, wherein the cleaning box 100 comprises a rectangular box 101 with openings at both upper and lower ends, a floor support 102 is fixedly mounted on the lower end surface of the box 101, an end cover 103 with a handle is arranged at the upper end opening of the box 101, a rectangular piston 104 forming a sealed sliding guide fit with the box 101 is arranged in the box 101, the piston 104 is located at the bottom of the box 101 in an initial state, a rectangular outer convex opening 105 arranged in the front and back is formed on the right side surface of the box 101, the opening 105 is close to the upper end opening of the box 101, the clamping and fixing device 200 is arranged at the opening 105 and is set to be capable of being switched to a pushing state and a pulling state, the clamping and fixing device 200 in the pushing-in state slides to the inside of the box body 101 from the opening 105 and seals the opening 105, the clamping and fixing device 200 in the pulling-out state slides to the outside of the box body 101 from the opening 105 and is in an initial state, and the cleaning device 300 is fixedly arranged on the inner wall of the left side of the box body 101 and is arranged opposite to the opening 105.

Specifically, the liquid level of the detergent in the initial state is located below the opening 105, a lifting driving mechanism 110 is arranged on the bottom frame 102, the lifting driving mechanism 110 is used for driving the piston 104 to slide upwards and enabling the liquid level of the detergent to rise and submerge the circuit board clamped and clamped by the clamping and fixing device 200 in the pushing state, a built-in boss is fixedly arranged on the inner wall of the box body 101 and used for restraining the piston 104 from sliding upwards, the built-in boss is arranged close to the lower edge of the opening 105, in order to discharge the used detergent in the box body 101, an outer discharge opening is formed in the rear side of the box body 101 and is flush with the upper end face of the piston 104 in the initial state, a screw plug 106 which is in sealing connection and matching with the outer discharge opening is arranged on the outer discharge opening, and the detergent can be discharged by opening the screw plug 106.

More specifically, the lifting driving mechanism 110 includes a sleeve 111 fixedly disposed at a middle position of a lower end surface of the piston 104 and vertically disposed in an axial direction, a lifting screw 112 rotatably disposed on the bottom frame 102 and vertically disposed in the axial direction, the sleeve 111 is coaxially sleeved outside the lifting screw 112 and forms a threaded connection fit with the lifting screw 112, the lifting driving mechanism 110 further includes a lifting motor 113 fixedly mounted on the bottom frame 102, an output shaft of the lifting motor 113 is vertically disposed in the axial direction, a driving gear one 114 is coaxially fixed on an output shaft of the lifting motor 113, a driven gear one 115 is coaxially fixed on a driving end of the lifting screw 112, and the driving gear one 114 is engaged with the driven gear one 115, the piston 104 is driven by the lifting motor 113 to slide upward along the box 101 and raise the surface of the cleaning agent until the clamped circuit board is clamped by the clamping fixture 200 in the submerged push-in state.

During the cleaning process of the circuit board, firstly, the circuit board is placed between the clamping ends of the clamping and fixing device 200, the clamping and fixing device 200 is started and clamps the circuit board, the clamping and fixing device 200 automatically slides towards the inside of the box body 101 along the opening 105 and is switched from a pulling-out state to a pushing-in state, at this time, the clamping and fixing device 200 performs sealing treatment on the opening 105, then, the lifting motor 113 is started, the lifting motor 113 drives the lifting screw rod 112 to rotate under the transmission of the driving gear I114 and the driven gear I115, the lifting screw rod 112 drives the piston 114 to slide upwards along the box body 101 until the piston is contacted with the built-in boss, the piston 112 enables the liquid level of the cleaning agent to rise, the cleaning agent submerges the circuit board clamped by the clamping and fixing device 200 in the pushing-in state, then, the cleaning device 300 is started and operates and performs all-directional cleaning treatment on the upper end, finally, the piston 104 slides downwards to lower and reset the liquid level of the cleaning agent, the clamping and fixing device 200 slides towards the outside of the opening 105 and is switched from a pushing-in state to a pulling-out state, and the cleaned circuit board is taken down.

In order to clamp and automatically push the circuit board to the inside of the box 101, the clamping and fixing device 200 includes a clamping mechanism 210 and a push-pull driving mechanism 220, the clamping mechanism 210 is used for clamping and clamping the circuit board, the push-pull driving mechanism 220 is used for driving the clamping mechanism 210 to slide towards the inside of the box 101 or towards the outside of the box 101 along the opening direction of the opening 105, the clamping mechanism 210 includes a guide rail 211 fixedly installed on the front and rear inner walls of the box 101, the guide rail 211 extends from the right side wall to the left side wall of the box 101, a rectangular connecting plate 211a for connecting the two is fixedly arranged at the right end of the guide rail 211, the connecting plate 211a is attached to the right side wall, a rectangular guide opening 211b is opened on the connecting plate 211a, one end of the guide block 211b in the length direction extends to one of the guide rails 211, and the other end, the utility model discloses a circuit board clamping device, including guide rail 211, slide plate 213, movable frame 212, clamp block 214, splint 215, the guide rail 211 is close to one end face each other and is provided with rather than the rectangle slide 213 that matches, slide plate 213 constitutes the cooperation of sliding guide with guide rail 211 along the left-right direction, slide plate 213 has guide block 211b to pass and be provided with between two slide plate 213's the right-hand member rather than fixed connection's adjustable shelf 212, adjustable shelf 212 arranges along the fore-and-aft direction, the activity is provided with clamp splice 214 on the left side terminal surface of adjustable shelf 212, clamp splice 214 is provided with two and along left-right direction symmetrical arrangement, clamp splice 214 constitutes the cooperation of sliding guide along the fore-and-aft direction with adjustable shelf 212, the fixed splint 215 that are provided with the horizontal extension on the left side terminal surface of clamp splice 214, splint.

Specifically, in order to drive the two clamping blocks 214 to move close to each other synchronously, the movable frame 212 is further provided with a bidirectional mountain 216 arranged axially along the front-back direction, the bidirectional screw rod 216 is composed of a forward thread section and a reverse thread section which are equal in length, the end part of the bidirectional screw rod 216 is in rotating connection and matching with the movable frame 212, one clamping block 214 is sleeved on the forward thread section of the bidirectional screw rod 216 and forms threaded connection and matching with the forward thread section, the other clamping block 214 is sleeved on the reverse thread section of the bidirectional screw rod 216 and forms threaded connection and matching with the reverse thread section, the right end of the movable frame 212 is provided with a clamping motor 217, the axial direction of an output shaft of the clamping motor 217 is perpendicular to the axial direction of the bidirectional screw rod 216, a bevel gear transmission assembly 218 for connecting the output shaft of the clamping motor 217 and the bidirectional screw rod 216 is arranged between the output shaft of the clamping motor 217 and the middle position of the bidirectional screw rod 216, the, the clamping motor 217 drives the bidirectional screw rod 216 to rotate, so that the clamping plates 215 are driven to move close to each other to clamp and clamp the circuit board.

More specifically, in order to seal the opening 105, a rectangular sealing plate 219 is fixedly arranged on the right side end face of the movable frame 212, the sealing plate 219 is arranged opposite to the opening 105, the cross sectional area of the sealing plate 219 is consistent with that of the opening 105, a waterproof rubber strip is wrapped on the outer edge of the sealing plate 219, the sealing plate 219 can seal and block the opening 105 when being inserted into the opening 105 in a sliding manner, the clamping motor 217 is fixedly connected with the right side end face of the sealing plate 219, the output shaft of the clamping motor 217 is matched with the sealing plate 219 in a sealed rotation manner, and the opening 105 can be sealed and blocked by the sealing plate 219.

In the working process of the clamping mechanism 210, the circuit board is placed between the two clamping plates 215 and is opposite to the V-shaped clamping groove 215a in the initial state, the clamping motor 217 is started, the bevel gear transmission assembly I218 transmits power on an output shaft of the clamping motor 217 to the bidirectional screw rod 216 and drives the bidirectional screw rod 216 to rotate, the bidirectional screw rod 216 drives the two clamping blocks 214 to mutually approach and slide along the movable frame 212, the clamping plates 215 synchronously approach and slide and clamp the circuit board, then, the push-pull driving mechanism 220 is started and enables the sliding plate 213 to slide towards the inside of the box body 101 along the guide rail 211 until the sealing plate 219 slides and inserts into the opening 105 to seal and seal the opening 105, the circuit board is pushed into the box body 101, and at the moment, the clamping and fixing device 200 is switched from the pull-out state to the push-in.

In order to slide the sliding plate 213 along the guide rail 211 towards the inside of the box 101/towards the outside of the box 101 towards the opening 105, the push-pull driving mechanism 220 comprises a second driving gear 22 rotatably arranged at the corner where the guide rail 211 is connected with the connecting plate 211a, a second rack 222 fixedly arranged on the upper end surface of the sliding plate 213, the second driving gear 221 is axially vertically arranged and meshed with the second rack 222, the second rack 222 has the other end of the sliding plate 213 extending to the other end along the length direction, in order to drive the second driving gear 221 to rotate, the push-pull driving mechanism 220 further comprises a push-pull motor 223 fixedly arranged on the outside of the box 101, and a transmission shaft 224 rotatably arranged between the two guide rails 211, the output shaft of the push-pull motor 223 is axially arranged along the front-back direction, the transmission shaft 224 is arranged close to the connecting plate 211a and axially arranged along the front-back direction, the driving end of the transmission And a first belt transmission assembly 225 for connecting the push-pull motor 223 and the transmission shaft 224 is arranged between the driving ends of the push-pull motor 223 and the transmission shaft 224, the first belt transmission assembly 225 can transmit the power on the output shaft of the push-pull motor 223 to the transmission shaft 224 and drive the transmission shaft 224 to rotate, a second bevel gear transmission assembly 226 for connecting the transmission shaft 224 and the driving gear 221 is arranged between the rotating shafts of the transmission shaft 224 and the driving gear 221, the second bevel gear transmission assembly 226 can transmit the power on the transmission shaft 224 to the driving gear 221 and drive the driving gear 221 to rotate, the driving gear 221 is driven to rotate through the push-pull motor 223, the second rack 222 is driven to move along the left and right direction, and the sliding plate.

In the working process of the push-pull driving mechanism 220, when the circuit board needs to be pushed into the box body 101, the push-pull motor 223 is started, the belt transmission assembly I225 transmits power on an output shaft of the push-pull motor 223 to the transmission shaft 224 and drives the transmission shaft 224 to rotate, the bevel gear transmission assembly II 226 transmits power on the transmission shaft 224 to the driving gear II 221 and drives the driving gear II 221 to rotate, the driving gear II 221 drives the driving rack II 222 to slide towards the inside of the box body 101, the sliding plate 213 slides from the opening 105 to the inside of the box body 101 along the guide rail 211 until the sealing plate 219 slides and is inserted into the opening 105 to seal and seal the opening 105, and the circuit board is pushed into the box body 101; when the cleaned circuit board needs to be pulled out of the box body 101, the push-pull motor 223 is started to rotate reversely, the push-pull motor 223 drives the second driving gear 221 to rotate reversely, the second driving gear 221 drives the second rack 222 to slide towards the outside of the box body 101, the sliding plate 213 slides to the outside of the box body 101 from the opening 105 along the guide rail 211 until the clamping mechanism 210 resets, and finally, the circuit board is taken down by loosening clamping and clamping of the circuit board.

In order to clean and treat the upper end surface and the lower end surface of the circuit board pushed into the box 101 comprehensively, the cleaning device 300 includes a front and rear driving mechanism 310, a top and bottom driving mechanism 320, a left and right driving mechanism 330 and a cleaning brush 340, wherein two cleaning brushes 340 are provided, one cleaning brush 340 is located above the upper end surface of the circuit board pushed into the box 101 in an initial state, the other cleaning brush 340 is located below the lower end surface of the circuit board pushed into the box 101 in an initial state, two upper and lower driving mechanisms 320 are provided and are independently arranged up and down, the upper and lower driving mechanism 320 located above is used for driving the cleaning brush 340 located above to move downwards to contact with the upper end surface of the circuit board, the lower and upper driving mechanism 320 located below is used for driving the cleaning brush 340 located below to move upwards to contact with the lower end surface of the circuit board, the front and rear driving mechanism 310 is used for, the left-right driving mechanism 330 is used for driving the brush 340 to move horizontally in the left-right direction, and the front-back driving mechanism 310 and the left-right driving mechanism 330 cooperate with each other to drive the brush 340 to move horizontally in the horizontal plane and perform the cleaning treatment of the entire upper end face/lower end face of the circuit board in contact therewith.

Specifically, the cleaning brush 340 includes the circular brush head 341 that axial vertical arranged, brush head 341 is close to a terminal surface each other and is provided with annular needle type brush hair and brush hair flushes with the outer disc of brush head 341 mutually, brush head 341 deviates from a terminal surface each other and is provided with hollow stereoplasm connecting pipe 342 coaxially, connecting pipe 342 deviates from a terminal surface each other and is provided with cubic brush holder 343, brush head 341 is close to a terminal surface each other and still is provided with horn-shaped supersonic generator 344, supersonic generator 344 is coaxial to be inlayed and is located brush head 341 and is close to a terminal surface each other, supersonic generator 344 is located the inboard of cyclic annular brush hair, contact through brush hair and circuit board and cooperate supersonic generator 344 again to make cleaning brush 340 carry out high-efficient cleaning to the.

In order to dry the cleaned circuit board, a conical ring-shaped air nozzle 345 is arranged between the ultrasonic generator 344 and the brush head 341, the opening size of the air nozzle 345 gradually increases from the brush handle 343 to the direction of the brush head 341, the input end of the air nozzle 345 is communicated with the output end of the connecting pipe 342 through a guide hole, the cleaning brush 340 further comprises a flexible three-way pipe 346, the three-way pipe 346 comprises one input end and two output ends, the input end of the three-way pipe 346 is communicated with the exhaust port of the hot air blower, the two output ends of the three-way pipe 346 are respectively communicated with the input end of the connecting pipe 342, hot air is sprayed towards the circuit board through the air nozzle 345, so that the drying treatment of the circuit board is realized, and the drying treatment is performed after the cleaning is finished and the liquid level of the.

Specifically, in order to drive the cleaning brush 340 to move horizontally along the front-back direction, the front-back driving mechanism 310 includes a first guide frame 311 fixedly mounted on the left side wall of the box 101, the first guide frame 311 is arranged along the front-back direction, a first slider 312 adapted to the first guide frame 311 is movably disposed on one end face of the first guide frame 311 near the opening 105, the first slider 312 and the first guide frame 311 form a sliding guiding fit along the front-back direction, the first slider 312 is located at the middle position of the first guide frame 311 along the front-back direction in the initial state, a first lead screw 313 is disposed on the first guide frame 311, the end portion of the first lead screw 313 is rotatably connected and matched with the first guide frame 311, the axial direction of the first lead screw 313 is arranged along the front-back direction, the first slider 312 is sleeved on the first lead screw 313 and forms a threaded connection and matched with the first lead screw 313, a mounting frame 316 is fixedly disposed on, the left and right driving mechanisms 330 are installed to the up-down driving mechanism 320 and provided in two, the left and right driving mechanisms 330 correspond to the up-down driving mechanism 320 one by one, the washing brush 340 is installed to the left and right driving mechanism 330, in order to drive the first screw rod 313 to rotate, the front-back driving mechanism 310 further comprises a first main motor 314 fixedly installed outside the box body 101, an output shaft of the first main motor 314 is axially parallel to an axial direction of the first screw rod 313, a driving end of the first screw rod 313 penetrates out of the box body 101 and forms a sealed rotation connection fit with the first main motor 314, a second belt transmission component 315 used for connecting the first main motor 314 and the first screw rod 313 is arranged between the first main motor 314 and the driving end of the first screw rod 313, the second belt transmission component 315 can transmit power on the output shaft of the first main motor 314 to the first screw rod 313 and drive the first screw rod 313 to rotate, the cleaning brush 340 is driven to translate in the front-rear direction by sliding the first driving slider 313 in the front-rear direction.

Specifically, in order to drive the cleaning brush 340 to move in the up-down direction, the up-down driving mechanism 320 located above is installed on the upper end face of the installation frame 316, the up-down driving mechanism 320 located below is installed on the lower end face of the installation frame 316, the up-down driving mechanism 320 includes a second guide frame 321 which is fixedly installed on the upper end face/lower end face of the installation frame 316 and vertically arranged, a second slider 322 adapted to the second guide frame 321 is movably arranged on one end face of the second guide frame 321 close to the opening 105, the second guide frame 321 and the second slider 322 form a sliding guide fit in the vertical direction, a second lead screw 323 axially vertically arranged on one end face of the second guide frame 321 close to the opening 105 is further arranged, the end portion of the second lead screw 323 is rotatably connected and fitted with the second guide frame 321, the second slider 322 is sleeved on the second lead screw 323 and forms a threaded connection fit with the, in order to drive the second screw rod 323 to rotate, the up-down driving mechanism 320 further comprises a second main motor 324 fixedly mounted on the mounting frame 316, an output shaft of the second main motor 324 is axially arranged on the second screw rod 323, a third bevel gear transmission component 325 for connecting the output shaft of the second main motor 324 and a driving end of the second screw rod 323 is arranged between the output shaft of the second main motor 324 and the driving end of the second screw rod 323, the third bevel gear transmission component 325 can transmit power on the output shaft of the second main motor 324 to the second screw rod 323 and drive the second screw rod 323 to rotate, the second slider 322 is driven to slide along the vertical direction, so that the cleaning brush 340 is driven to move up and down along the vertical direction, and thus the washing brush 340 is brought into contact with the upper end surface or the lower end surface of the circuit board, the upper and lower driving mechanism 320 is independently arranged in the sense that, the washing brush 340 may be separately driven to make contact with the upper end surface or the lower end surface of the circuit board to perform the single-sided washing cleaning process.

Specifically, in order to drive the cleaning brush 340 to move along the left-right direction, the left-right driving mechanism 330 includes a guide frame three 331 which is in one-to-one correspondence with the slide block two 322 and is fixedly connected with the slide block two 322, the guide frame three 331 extends towards the right side wall of the box 101, a screw rod three 332 is arranged on an end surface of the guide frame three 331 which is mutually deviated from, and the axial direction of the screw rod three 332 is arranged along the left-right direction, the end part of the screw rod three 332 is rotatably connected and matched with the guide frame three 331, the brush holder 343 is sleeved on the guide frame three 331 and forms sliding guide matching with the guide frame three 331 along the left-right direction, the brush holder 343 is in threaded connection and matching with the screw rod three 332, in order to drive the screw rod three 332 to rotate, a main motor three 333 is fixedly installed on the end part of the guide frame three 331 and the axial direction of the output shaft of the main motor three is perpendicular to the axial direction, the bevel gear transmission assembly four 334 can transmit the power on the output shaft of the main motor three 333 to the screw rod three 332 and drive the screw rod three 332 to rotate, and the cleaning brush 340 is driven to move horizontally along the left-right direction by driving the screw rod three 332 to rotate.

In the working process of the cleaning device 300, the up-down driving mechanism 320 firstly works, and specifically, the main motor II 325 is started, the bevel gear transmission component III 325 transmits the power on the output shaft of the main motor II 324 to the screw rod II 323 and drives the screw rod II 323 to rotate, the slide block II 322 slides close to the circuit board until the cleaning brush 340 is contacted with the circuit board, the ultrasonic generator 344 starts to work, then the front-back driving mechanism 310 is matched with the left-right driving mechanism 330 to drive the cleaning brush 340 to move horizontally, so that the cleaning brush 340 can carry out comprehensive cleaning and cleaning treatment on the circuit board, after cleaning is finished, the liquid level of the cleaning agent is lowered and reset, immersion of the circuit board is removed, the air heater is started, and the air jet 345 jets hot air towards the circuit board to carry out drying.

Claims (10)

1. Clean system of immersive PCB circuit board, its characterized in that: the cleaning box comprises a cleaning box filled with a cleaning agent, a clamping fixing device used for clamping and tightly pushing a circuit board to the inside of the cleaning box, and a cleaning device used for cleaning and cleaning the circuit board pushed to the inside of the cleaning box, wherein the cleaning box comprises a rectangular box body with openings arranged at the upper end and the lower end, a floor support is fixedly arranged on the lower end face of the box body, an end cover with a handle is arranged at the upper end opening of the box body, a rectangular piston which forms a sealed sliding guide fit with the box body is arranged in the box body, the piston is positioned at the bottom of the box body in an initial state, a rectangular outwards-protruding opening which is arranged front and back is arranged on the right side face of the box body, the opening is close to the upper end opening of the box body, the clamping fixing device is arranged in the opening and can be mutually switched into a pushing state and a pulling state, and the clamping fixing device in the pushing state is, The clamping and fixing device in the pulled-out state slides to the outside of the box body from the opening and is in an initial state, and the cleaning device is fixedly arranged on the inner wall of the left side of the box body and is arranged opposite to the opening;

the liquid level of the cleaning agent is located below the opening in the initial state, a lifting driving mechanism is arranged on the bottom frame and used for driving the piston to slide upwards and enabling the liquid level of the cleaning agent to rise and submerge the circuit board clamped and pushed into the clamping and fixing device in the pushing state, a built-in boss is fixedly arranged on the inner wall of the box body and used for restraining the upward sliding of the piston and arranged close to the lower edge of the opening, an outer discharge opening is formed in the rear side of the box body and flush with the upper end face of the piston in the initial state, and a plug screw matched with the outer discharge opening in a sealing connection mode is arranged on the outer discharge opening.

2. The immersive PCB circuit board cleaning system of claim 1, wherein: the lifting driving mechanism comprises a sleeve fixedly arranged at the middle position of the lower end face of the piston and vertically arranged in the axial direction, a lifting screw rod arranged on the bottom frame and vertically arranged in the axial direction is rotated, the sleeve is coaxially sleeved outside the lifting screw rod, the sleeve and the lifting screw rod form threaded connection matching, the lifting driving mechanism further comprises a lifting motor fixedly arranged on the bottom frame, the axial direction of an output shaft of the lifting motor is vertically arranged, a first driving gear is coaxially fixedly sleeved on the output shaft of the lifting motor, and a first driven gear and a first driving gear which are meshed with the first driven gear are coaxially fixedly sleeved on the driving end of the lifting.

3. The immersive PCB circuit board cleaning system of claim 1, wherein: the clamping and fixing device comprises a clamping mechanism and a push-pull driving mechanism, the clamping mechanism is used for clamping and clamping a circuit board, the push-pull driving mechanism is used for driving the clamping mechanism to slide towards the inside of the box body or towards the outside of the box body along the open direction, the clamping mechanism comprises a guide rail fixedly arranged on the front inner wall and the rear inner wall of the box body, the guide rail extends from the right side wall to the left side wall of the box body, a rectangular connecting plate for connecting the clamping mechanism and the box body is fixedly arranged at the right end of the guide rail, the connecting plate is attached to the right side wall, a rectangular guide opening is formed in the connecting plate, one end of the guide block in the length direction extends to one guide rail, the other end of the guide block extends to the other guide rail, a rectangular sliding plate matched with the guide rail is arranged on one end face of the guide rail, the sliding plate and the guide rail form, the adjustable shelf is arranged along the fore-and-aft direction, and the activity is provided with the clamp splice on the left side terminal surface of adjustable shelf, and the clamp splice is provided with two and along left right direction symmetrical arrangement, and the clamp splice constitutes the sliding guide cooperation with the adjustable shelf along the fore-and-aft direction, and the fixed splint that are provided with the level and extend on the left side terminal surface of clamp splice, splint have seted up V type draw-in groove on being close to a terminal surface each other.

4. The immersive PCB circuit board cleaning system of claim 3, wherein: the movable frame is also provided with two-way mountains which are axially arranged along the front-back direction, each two-way screw rod is composed of a forward thread section and a reverse thread section which are equal in length, the end part of each two-way screw rod is in running connection fit with the movable frame, one clamping block is sleeved on the forward thread section of each two-way screw rod and is in running connection fit with the forward thread section, the other clamping block is sleeved on the reverse thread section of each two-way screw rod and is in running connection fit with the reverse thread section of each two-way screw rod, the right end of the movable frame is provided with a clamping motor, the axial direction of an output shaft of the clamping motor is perpendicular to the axial direction of each two-way screw rod, a first bevel gear transmission assembly used for connecting the two bevel gear transmission assemblies is arranged between the output shaft.

5. The immersive PCB circuit board cleaning system of claim 3, wherein: the right side end face of the movable frame is fixedly provided with a rectangular sealing plate, the sealing plate is arranged opposite to the opening, the area of the sealing plate is consistent with that of the opening, a waterproof adhesive tape is wrapped on the outer edge of the sealing plate, the sealing plate can seal and block the opening when sliding and inserted into the opening, the clamping motor is fixedly connected with the right side end face of the sealing plate, and an output shaft of the clamping motor is matched with the sealing plate in a sealing and rotating mode.

6. The immersive PCB circuit board cleaning system of claim 3, wherein: the push-pull driving mechanism comprises a second driving gear which is rotatably arranged at the corner of the connecting part of the guide rail and the connecting plate, a second rack which is fixedly arranged on the upper end surface of the sliding plate, the second driving gear is axially and vertically arranged and meshed with the second rack, the second rack is provided with a sliding plate, the other end of the sliding plate extends to the other end along the length direction, the push-pull driving mechanism also comprises a push-pull motor which is fixedly arranged outside the box body and a transmission shaft which is rotatably arranged between the two guide rails, the output shaft of the push-pull motor is axially arranged along the front and back direction, the transmission shaft is arranged close to the connecting plate and axially arranged along the front and back direction, the driving end of the transmission shaft movably penetrates out of the box body and forms sealed rotary connection and matching with the box body, a first belt transmission component which is used for connecting the, a second bevel gear transmission assembly used for connecting the transmission shaft and the second driving gear is arranged between the transmission shaft and a rotating shaft of the second driving gear, and the second bevel gear transmission assembly can transmit power on the transmission shaft to the second driving gear and drive the second driving gear to rotate.

7. The immersive PCB circuit board cleaning system of claim 1, wherein: cleaning device include front and back actuating mechanism, upper and lower actuating mechanism, control actuating mechanism and cleaning brush, the cleaning brush is provided with two and one of them cleaning brush is located the top of propelling movement to the circuit board up end in the box under initial condition, another cleaning brush is located the below of propelling movement to the terminal surface under the circuit board in the box under initial condition, upper and lower actuating mechanism is provided with two and independent arrangement from top to bottom, the upper and lower actuating mechanism that is located the top is used for driving the cleaning brush downstream that is located the top and contacts with the up end of circuit board, the upper and lower actuating mechanism that is located the below is used for driving the cleaning brush upward movement that is located the below and contacts with the lower terminal surface of circuit board, front and back actuating mechanism is used for driving the cleaning brush to translate along the fore-and-aft direction, left and right actuating mechanism is used for driving the cleaning brush to translate along The upper end face/lower end face of the circuit board contacted with the cleaning agent is cleaned and cleaned completely.

8. The immersive PCB circuit board cleaning system of claim 7, wherein: the cleaning brush include the vertical circular type brush head of arranging of axial, the brush head is close to a terminal surface coaxial annular needle type brush hair and the outer disc of brush head and flushes mutually, the brush head deviates from a terminal surface coaxial fixed hollow stereoplasm connecting pipe each other, the connecting pipe deviates from a terminal surface fixed massive brush holder each other, the brush head is close to a terminal surface each other and still is provided with the supersonic generator of loudspeaker form, the coaxial embedding of supersonic generator is located on the brush head is close to a terminal surface each other, supersonic generator is located the inboard of cyclic annular brush hair.

9. The immersive PCB circuit board cleaning system of claim 7 or 8, wherein: the cleaning brush is characterized in that a conical annular air nozzle is arranged between the ultrasonic generator and the brush head, the opening size of the air nozzle is gradually increased from the direction of the brush handle pointing to the brush head, the input end of the air nozzle is communicated with the output end of the connecting pipe through the guide hole, the cleaning brush further comprises a flexible three-way pipe, the three-way pipe comprises an input end and two output ends, the input end of the three-way pipe is communicated with the air outlet of the air heater, and the two output ends of the three-way pipe are respectively communicated with the input end of the connecting pipe.

10. The immersive PCB circuit board cleaning system of claim 7, wherein: the front and rear driving mechanism comprises a first guide frame fixedly arranged on the left side wall of the box body, the first guide frame is arranged along the front and rear direction, a first sliding block matched with the first guide frame is movably arranged on one end surface of the first guide frame, which is close to the opening, the first sliding block and the first guide frame form sliding guide fit along the front and rear direction, the first sliding block in an initial state is positioned at the middle position of the first guide frame along the front and rear direction, a first screw rod is arranged on the first guide frame, the end part of the first screw rod is rotationally connected and matched with the first guide frame, the first screw rod is axially arranged along the front and rear direction, the sliding block is sleeved on the first screw rod and forms threaded connection and fit with the first screw rod, a mounting frame is fixedly arranged on one end surface of the first sliding block, the upper and lower driving mechanisms are fixedly arranged on the mounting, the cleaning brush is installed on the left and right driving mechanism, the front and rear driving mechanism further comprises a first main motor fixedly installed outside the box body, an output shaft of the first main motor is axially parallel to an axial direction of the first screw rod, a driving end of the first screw rod penetrates out of the box body and forms sealed rotary connection and matching with the first screw rod, a second belt transmission assembly used for connecting the first main motor and the driving end of the first screw rod is arranged between the first main motor and the driving end of the first screw rod, and the second belt transmission assembly can transmit power on the output shaft of the first main motor to the first screw rod and drive the first screw;

the upper and lower driving mechanism located above is installed on the upper end face of the installation frame, the upper and lower driving mechanism located below is installed on the lower end face of the installation frame, the upper and lower driving mechanism comprises a guide frame II which is fixedly installed on the upper end face/lower end face of the installation frame and is vertically arranged, a slide block II adaptive to the guide frame II is movably arranged on the guide frame II close to the open end face, the guide frame II and the slide block II form sliding guide fit along the vertical direction, a screw rod II axially and vertically arranged is further arranged on one end face of the guide frame II close to the open end face, the end portion of the screw rod II is rotatably connected and matched with the guide frame II, the slide block II is sleeved on the screw rod II and forms threaded connection and fit with the screw rod II, the left and right driving mechanism is installed on the slide block II, the upper and lower driving mechanism further comprises a main motor II fixedly installed on the installation frame, the output shaft of the main motor The bevel gear transmission assembly III can transmit power on an output shaft of the main motor II to the screw rod II and drive the screw rod II to rotate;

the left and right driving mechanism comprises a third guide frame which is in one-to-one correspondence with the second sliding block and is fixedly connected with the third sliding block, the third guide frame extends towards the right side wall of the box body, a third screw rod is arranged on one end face of the third guide frame, the axial direction of the third screw rod is arranged along the left and right directions, the end part of the third screw rod is in rotating connection and matching with the third guide frame, the brush handle is sleeved on the third guide frame, the two guide frames form sliding guide matching along the left and right directions, the brush handle is in threaded connection and matching with the third screw rod, a third main motor is fixedly installed at the end part of the third guide frame, the axial direction of the third output shaft of the main motor is perpendicular to the axial direction of the third screw rod, a fourth bevel gear transmission assembly used for connecting the third output shaft of the main motor and the driving end of the third screw rod is arranged between the third.

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