CN113198655B - Automatic coating equipment for circuit board - Google Patents

Abstract

The utility model relates to an automatic equipment that coats of circuit board, including the coating machine body, one side of coating machine body is provided with the cleaning device who is used for clearing up the adhesion at the solidified membrane of nozzle inner wall, cleaning device including set up in the fixed station on the coating machine body lateral wall, be provided with a plurality of loading boards through carrying the subassembly on the fixed station, be provided with on the loading board and place the seat, place the interior symmetry of seat and run through and have and place the hole with nozzle matched with, it is provided with the fixture that is used for fixing the centre gripping to the nozzle to place on the seat, still be provided with on the fixed station and be used for clearing up the clearance mechanism that clears up the solidified membrane of nozzle inner wall. This application can be convenient for play the effect of automatic clearance to the adhesion at the solidified membrane of nozzle inner wall to not only can improve the efficiency of nozzle clearance, can alleviate clearance personnel's intensity of labour moreover, and then also can dredge the nozzle, so as to carry out cyclic utilization to the nozzle.

Description

Automatic coating equipment for circuit board

Technical Field

The application relates to the technical field of coating mechanical equipment, in particular to automatic coating equipment for a circuit board.

Background

The circuit board is an important electronic component, is a support body of the electronic component, is a carrier for electrical connection of the electronic component, and is used for preventing the circuit board from being damaged due to erosion of the environment, so that three-proofing paint needs to be sprayed on the surface of the circuit board when the circuit board is manufactured, so that the circuit board has good insulating, moisture-proof, corrosion-proof, anti-aging and other properties, and further can play a role in protecting the circuit board. And the coating machine is an automatic mechanical device for coating three-proofing paint on the surface of the circuit board.

In the coating machine in the related art, the conformal coating is automatically sprayed to the corresponding position of the circuit board through a plurality of nozzles, and then the circuit board sprayed with the conformal coating is conveyed into a dryer for drying treatment, so that the circuit board has good insulation, moisture resistance, corrosion resistance, aging resistance and other properties. After the nozzle carries out the spraying to three proofings lacquer coating for a long time, there is the small part three proofings lacquer coating to solidify and adhere in the nozzle, leads to the problem that the nozzle blockked up to appear easily like this, so need often change the nozzle, simultaneously, utilize the instrument to carry out effective clearance with the solidification membrane of adhesion in the nozzle through the staff to dredge the nozzle, thereby can carry out reuse to the nozzle.

With respect to the related art in the above, the inventors consider that: the mode of clearing up the cured film adhered in the nozzle through manual work not only has lower efficiency, but also aggravates the labor intensity of clearing personnel.

Disclosure of Invention

In order to facilitate carrying out automatic clearance to the solidified membrane of adhesion in the nozzle to improve cleaning efficiency and alleviate clearance personnel's intensity of labour, the application provides an automatic equipment that coats of circuit board.

The application provides an automatic equipment that coats of circuit board adopts following technical scheme:

the utility model provides an automatic equipment that coats of circuit board, includes the coating machine body, one side of coating machine body is provided with the cleaning device who is used for carrying out the clearance to the adhesion at the solidified membrane of nozzle inner wall, cleaning device including set up in fixed station on the coating machine body lateral wall, be provided with a plurality of loading boards through conveying assembly on the fixed station, be provided with on the loading board and place the seat, place the interior symmetry of seat and run through and have and place the hole with nozzle matched with, it is provided with the fixture that is used for fixing the centre gripping to the nozzle on the seat to place, still be provided with on the fixed station and be used for carrying out the clearance mechanism of cleaing away to the solidified membrane of nozzle inner wall.

Through adopting above-mentioned technical scheme, can be convenient for play the effect of automatic clearance to the adhesion at the solidified membrane of nozzle inner wall to not only can improve the efficiency of nozzle clearance, can alleviate clearance personnel's intensity of labour moreover, and then also can dredge the nozzle, so that carry out cyclic utilization to the nozzle.

Optionally, conveying component including set up in support frame on the fixed station, be provided with the backup pad on the support frame, it is connected with the driving shaft to rotate on one side of backup pad, one of driving shaft is served the symmetric connection and is had drive sprocket, it is connected with the driven shaft still to rotate on one side of backup pad, one of driven shaft is served the symmetric connection and is had driven sprocket, drive sprocket with carry out the transmission through the conveying chain between the driven sprocket, the backup pad deviates from one side of drive sprocket is provided with conveying motor, conveying motor's output with the driving shaft is connected, the loading board set up in conveying chain's surface.

Through adopting above-mentioned technical scheme, can be convenient for play the effect of effective rotation transport to a plurality of nozzles of placing in placing the seat to can be convenient for clear up a plurality of nozzles in proper order, and then not only can improve the efficiency to the nozzle clearance, alleviate clearance personnel's intensity of labour moreover.

Optionally, a clamping cavity communicated with the placing hole is formed in the placing seat, the clamping mechanism comprises a clamping plate and arc-shaped grooves, the clamping plate is symmetrically connected to the clamping cavity in the clamping cavity, the arc-shaped grooves are symmetrically formed in one side, opposite to the clamping plate, of the clamping plate and matched with the outer side wall of the nozzle, and a transmission assembly used for enabling the clamping plate to be close to or far away from each other is further arranged in the placing seat.

Through adopting above-mentioned technical scheme, through setting up fixture, can be convenient for fix the centre gripping with placing the nozzle in placing the seat to can improve the stability of nozzle.

Optionally, the inside of placing the seat still is provided with the transmission cavity, drive assembly including rotate connect in place the axis of rotation on one side of the seat, the transmission shaft stretches into the one end of transmission cavity is connected with drive gear, the transmission shaft is kept away from drive gear's one end is connected with the carousel, two the bottom of grip block all is connected with the carriage release lever, the carriage release lever is kept away from the one end of grip block stretches into in the transmission cavity, place still set up in the seat simultaneously with the transmission cavity with the removal strip hole that the grip cavity is linked together, remove the strip hole with the carriage release lever cooperatees, two the carriage release lever stretches into one end in the transmission cavity all is connected with the transmission rack, two the transmission rack all with drive gear meshes mutually.

Through adopting above-mentioned technical scheme, when rotating the carousel, the carousel drives the epaxial drive gear of rotation, drive gear simultaneously with two driving rack intermeshing to make two driving rack drive corresponding carriage release along removing a hole respectively and remove, and then make two carriage release drive corresponding grip block respectively and carry out being close to each other or keeping away from, carry out the effect that the centre gripping perhaps unclamped to the realization to the nozzle.

Optionally, clear away the mechanism including sliding connection in sliding seat on the fixed station, be provided with the bracing piece on the sliding seat, be provided with the clearance seat on the bracing piece, the symmetry is rotated on one side of clearance seat and is connected with the pivot, the one end of pivot is connected with spacing seat, two all be provided with through spacing subassembly on the spacing seat with the inner wall matched with of nozzle clears away the piece, be provided with in the clearance seat and be used for driving two simultaneously the pivot carries out pivoted runner assembly, still be provided with on the fixed station and be used for right the sliding seat carries out gliding drive assembly.

Through adopting above-mentioned technical scheme, can be convenient for effectively clear away the solidified membrane of adhesion at the nozzle inner wall to can dredge the nozzle.

Optionally, the drive assembly include sliding connection in slide bar on the fixed station, the fixed station set up on the surface with slide bar matched with sliding tray, the sliding seat set up in one of slide bar is served, the symmetry is provided with the fixed block on the slide bar, two all run through on the fixed block have fixed screw, two run through on the fixed block have with fixed screw threaded connection's fixed orifices, two the equal symmetrical threaded connection of one end of fixed screw has fixation nut, two fixation nut respectively the butt in the both sides of fixed block, two fixation screw's the other end all is connected with the chain seat, two be connected with fixed chain between the chain seat, be provided with driving motor on the fixed station, driving motor's output is connected with fixed sprocket, fixed sprocket with fixed chain meshes mutually.

Through adopting above-mentioned technical scheme, when starting driving motor, driving motor's output drive fixed sprocket rotates, and fixed sprocket then drives fixed chain and removes, and fixed chain then drives the slide bar and removes along the sliding tray to make the slide bar drive the sliding seat and carry out automatic sliding on the surface along the fixed station.

Optionally, a rotating cavity is formed in the cleaning seat, the rotating assembly comprises a rotating motor arranged on the inner wall of the rotating cavity, the output end of the rotating motor is connected with a driving gear, the rotating shaft extends into one end of the rotating cavity and is connected with a driven gear, and the driving gear is meshed with the driven gear simultaneously.

Through adopting above-mentioned technical scheme, when the start-up rotated the motor, the output drive driving gear that rotates the motor rotated, and the driving gear is rotating the in-process, can drive two driven gear simultaneously and rotate to make two pivots rotate.

Optionally, one side of the limiting seat deviating from the rotating shaft is provided with a limiting groove matched with the cleaning part, the limiting assembly comprises a limiting screw rod running through the limiting screw rod on the side wall of the limiting seat, the side wall of the limiting seat runs through a threaded hole communicated with the limiting groove, the threaded hole is in threaded connection with the limiting screw rod, one side of the cleaning part is provided with a limiting hole corresponding to the threaded hole, one end of the limiting screw rod extending into the limiting groove is connected with a limiting block matched with the limiting hole, and one end of the limiting screw rod far away from the limiting block is connected with a knob block.

By adopting the technical scheme, the cleaning piece can be conveniently and fixedly arranged in the limiting seat, so that the stability of the cleaning piece is improved; but also can be convenient for remove the piece fast to change the piece of removing.

Optionally, the clearance seat with be provided with the absorption subassembly between the fixed station, the absorption subassembly include a plurality of symmetries set up in suction nozzle on clearance seat one side, be provided with the collecting box on the fixed station, be provided with the suction fan on the collecting box, the end of induced drafting of suction fan is connected with the collection tuber pipe, the one end of collection tuber pipe is connected with many aspiration channels, many the aspiration channel all stretches into in the clearance seat and with a plurality of corresponding the suction nozzle is connected, the end of airing exhaust of suction fan is connected with the exhaust pipe, the exhaust pipe stretches into in the collecting box, it has the protection casing still to overlap on one side of clearance seat.

Through adopting above-mentioned technical scheme, can be convenient for will clear away the piece and clear away the waste residue that the back produced to the solidified membrane in the nozzle and effectively absorb to absorb these a little waste residue and collect in advancing the collecting box, thereby can reduce these a little waste residue and drop fixed station or subaerial and lead to the circumstances of polluted environment to take place.

Optionally, a solution tank for storing a diluent is arranged on the fixed table, a lifting assembly is further arranged between the bearing plate and the placing seat, the lifting assembly comprises a lifting cylinder arranged on the bearing plate, a piston rod of the lifting cylinder is connected with a lifting plate, a plurality of lifting rods are arranged on one side of the bearing plate, and the placing seat is simultaneously arranged on the plurality of lifting rods.

Through adopting above-mentioned technical scheme, can be convenient for soak the nozzle in the solution tank of storage diluent to make the diluent in the solution tank react with the solidified membrane of nozzle inner wall, make the solidified membrane soften, and then can be better effectively clear up the solidified membrane of adhesion at the nozzle inner wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the cleaning device, the automatic cleaning effect on the curing film adhered to the inner wall of the nozzle can be conveniently realized, so that the nozzle cleaning efficiency can be improved, the labor intensity of cleaning personnel can be reduced, and the nozzle can be dredged to be conveniently recycled;

2. by arranging the clamping mechanism, the nozzle placed in the placing seat can be conveniently and fixedly clamped, so that the stability of the nozzle can be improved;

3. by arranging the absorption assembly, the waste residues generated after the solidified films in the nozzles are removed by the removing part can be conveniently and effectively absorbed, so that the waste residues are absorbed into the collecting box for collection, and the condition that the waste residues fall on a fixed platform or the ground to pollute the environment can be reduced;

4. through setting up lifting unit and the structure that the solution tank was mutually supported, can be convenient for soak the nozzle in the solution tank of storage diluent to make the diluent in the solution tank react with the solidified membrane of nozzle inner wall, make the solidified membrane soften, and then can be better to the adhesion effectively clear up at the solidified membrane of nozzle inner wall.

Drawings

FIG. 1 is a schematic structural diagram of an automatic coating device for circuit boards according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a delivery assembly according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a lifting assembly and clamping mechanism according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a clamping plate according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a removal mechanism and an absorbent assembly according to an embodiment of the present application;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

FIG. 7 is a schematic structural diagram of a limiting assembly and a rotating assembly according to an embodiment of the present application.

Description of reference numerals: 1. a coater body; 2. a fixed table; 21. a sliding groove; 22. a drive motor; 221. fixing the chain wheel; 3. a support frame; 31. a support plate; 32. a drive shaft; 321. a drive sprocket; 33. a conveying motor; 34. a driven shaft; 341. a driven sprocket; 35. a conveying chain; 4. a carrier plate; 41. a lifting cylinder; 42. a lifting plate; 43. a lifting rod; 5. a placing seat; 51. placing holes; 52. a clamping plate; 521. an arc-shaped slot; 522. a travel bar; 523. a drive rack; 524. a propping spring; 525. a ball bearing; 53. a clamping cavity; 54. a drive shaft; 541. a transmission gear; 542. a turntable; 55. a transmission cavity; 56. moving the bar hole; 57. an inductor; 6. a solution tank; 7. a sliding seat; 71. a slide bar; 711. a fixed block; 7111. a fixing hole; 712. fixing the screw rod; 713. fixing a nut; 714. a chain seat; 715. fixing the chain; 72. a support bar; 73. cleaning a seat; 731. a rotating shaft; 7311. a driven gear; 732. rotating the cavity; 733. rotating the motor; 7331. a driving gear; 734. a transmitter; 735. a protective cover; 74. a limiting seat; 741. a limiting groove; 742. a limit screw; 7421. a limiting block; 7422. a knob block; 743. a threaded hole; 75. cleaning a brush; 751. a limiting hole; 8. a collection box; 81. a suction fan; 82. an air collecting pipe; 83. an air suction pipe; 84. a suction nozzle; 85. an exhaust duct; 9. and (4) a nozzle.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses automatic coating equipment of a circuit board. Referring to fig. 1, the automatic coating equipment comprises a coating machine body 1, wherein the coating machine body 1 can be used for automatically spraying three-proofing paint on the corresponding position of a circuit board according to a preset program, so that the circuit board has good insulation, moisture resistance, corrosion resistance, aging resistance and other properties, and the circuit board can be effectively protected.

And nozzle 9 in the coating machine body 1 uses for a long time, there is some three proofings coating adhesion at the inner wall of nozzle 9, in order to solidify and form a layer of solidified film, this solidified film blocks up nozzle 9, make nozzle 9 can not continue to use, so in this embodiment, be provided with cleaning device on one side of this coating machine body 1, when clearing up nozzle 9, dismantle these nozzles 9 in the coating machine body 1 earlier, then utilize this cleaning device, in order to carry out automatic clear away at the solidified film of nozzle 9 inner wall with the adhesion, so not only can improve the efficiency of nozzle 9 clearance, make the inner wall mediation of nozzle 9, but also can alleviate clearance personnel's intensity of labour.

Specifically, referring to fig. 1 and 2, in the present embodiment, the cleaning apparatus includes a fixed table 2 and a conveying assembly. Wherein, the fixed table 2 is fixedly arranged on the outer side wall of the coating machine body 1; this conveyor components fixed mounting is on the loading face of this fixed station 2, so that effectively carry a plurality of nozzles 9, and in this embodiment, this conveyor components includes support frame 3, this support frame 3 fixed mounting is on the loading face of fixed station 2, this support frame 3 is kept away from one of this fixed station 2 and is served fixed mounting and have backup pad 31, one side that this backup pad 31 deviates from this coating machine body 1 rotates and is connected with driving shaft 32, one of keeping away from this backup pad 31 at this driving shaft 32 serves and is connected with two driving sprocket 321, and one side fixed mounting who deviates from this driving sprocket 321 at this backup pad 31 has conveyor motor 33, conveyor motor 33's output is connected in the one end that this driving shaft 32 kept away from this driving sprocket 321, rotate driving shaft 32 and two driving sprocket 321 being convenient for.

Meanwhile, a driven shaft 34 is further rotatably connected to one side of the support plate 31, which is away from the coating machine body 1, the driven shaft 34 is located at one side of the driving shaft 32, two driven sprockets 341 are fixedly connected to one end of the driven shaft 34, which is away from the support plate 31, the two driven sprockets 341 correspond to the two driving sprockets 321, conveying chains 35 are respectively wound between the two driven sprockets 341 and the two corresponding driving sprockets 321, and the conveying chains 35 can enable the driving sprockets 321 and the driven sprockets 341 to transmit.

When starting conveying motor 33, conveying motor 33's output drive shaft 32 rotates, and drive shaft 32 can drive two drive sprocket 321 and rotate at the rotation in-process, and two drive sprocket 321 then drive two respectively and carry chain 35 and rotate, and two carry chain 35 then drive two driven sprocket 341 respectively and rotate to can realize carrying chain 35 and carry out the effect of carrying.

Referring to fig. 2 and 3, in the present embodiment, a plurality of carrying plates 4 are fixedly mounted on the surfaces of the two conveying chains 35, a placing seat 5 is fixedly mounted on each of the carrying plates 4 through a lifting assembly, and the lifting assembly can drive the placing seat 5 to lift; two placing holes 51 penetrate through the placing seats 5, and the two placing holes 51 are matched with the nozzles 9, so that the nozzles 9 to be cleaned can be placed in the placing holes 51; and a clamping mechanism is further provided on the placing base 5, and the clamping mechanism can firmly clamp the nozzle 9 placed in the placing hole 51.

When the two conveying chains 35 rotate, the two conveying chains 35 can simultaneously drive the nozzles 9 clamped in the placing seats 5 to automatically convey. And a solution tank 6 is further placed on the fixing frame, the solution tank 6 is positioned below the conveying chain 35, and a diluent is stored in the solution tank 6, and the diluent can perform a softening reaction with the solidified film adhered to the inner wall of the nozzle 9 so as to soften the solidified film in the nozzle 9.

When carrying chain 35 and carrying nozzle 9 to the top of solution tank 6, can drive through lifting unit and place nozzle 9 in the seat 5 and descend to soak nozzle 9 in the diluent of solution tank 6, can realize like this treating nozzle 9 of clearing up and carry out the preliminary treatment, thereby be convenient for the later stage effectively clear up nozzle 9.

Specifically, referring to fig. 3, in this embodiment, the lifting assembly includes a lifting cylinder 41, the lifting cylinder 41 is fixedly mounted on the bearing plate 4, a lifting plate 42 is fixedly connected to a piston rod of the lifting cylinder 41, a plurality of lifting rods 43 are fixedly mounted on a side of the lifting plate 42 away from the lifting cylinder 41, and one ends of the lifting rods 43 far away from the lifting plate 42 are simultaneously and fixedly mounted on the placing base 5 to effectively support the placing base 5.

When the placing seat 5 is required to be lifted, the lifting cylinder 41 on the bearing plate 4 is started, the piston rod of the lifting cylinder 41 drives the lifting plate 42 to lift, the lifting plate 42 can drive the placing seat 5 to lift in the lifting process through the lifting rods 43, and therefore the nozzle 9 which is fixedly clamped in the placing seat 5 through the clamping mechanism can be effectively lifted, the nozzle 9 to be cleaned can be conveniently stretched into or stretched out of the solution tank 6, and the softening reaction of a curing film on the inner wall of the nozzle 9 is realized.

Meanwhile, referring to fig. 3 and 4, in the present embodiment, the clamping mechanism includes two clamping plates 52, the two clamping plates 52 are symmetrically and slidably connected inside the placing seat 5, a clamping cavity 53 communicated with the placing hole 51 is formed in the placing seat 5, and the two clamping plates 52 are slidably in the clamping cavity 53; and two arc-shaped grooves 521 have all been seted up to one side that these two grip blocks 52 are relative, these two arc-shaped grooves 521 all mutually support with the lateral wall of placing nozzle 9 in the hole 51, and when two grip blocks 52 were close to each other, arc-shaped groove 521 on these two grip blocks 52 butt simultaneously on the lateral wall of nozzle 9 to can carry out the centre gripping to nozzle 9.

And a transmission assembly is further arranged in the placing seat 5, and the transmission assembly can drive the two clamping plates 52 to realize the effect of mutually approaching or separating from each other, so that the two clamping plates 52 can effectively clamp or loosen the nozzle 9.

Specifically, referring to fig. 3 and 4, in the present embodiment, the transmission assembly includes a transmission shaft 54, the transmission shaft 54 is rotatably connected to one side of the placing base 5, a transmission cavity 55 is further formed in the placing base 5, the transmission cavity 55 is located below the clamping cavity 53, and one end of the transmission shaft 54 penetrates through one side of the placing base 5 to extend into the transmission cavity 55. A transmission gear 541 is fixedly connected to one end of the transmission shaft 54 extending into the transmission cavity 55, a turntable 542 is fixedly connected to one end of the transmission shaft 54 far from the transmission gear 541, and the transmission shaft 54 can be driven to rotate by rotating the turntable 542, so that the transmission shaft 54 drives the transmission gear 541 to rotate.

Meanwhile, the moving rods 522 are fixedly connected to one side of the bottoms of the two clamping plates 52, the two moving rods 522 penetrate through the clamping cavity 53 and extend into the transmission cavity 55, the two moving rod holes 56 which are communicated with the clamping cavity 53 and the transmission cavity 55 are symmetrically formed in the placing seat 5, and the two moving rod holes 56 are matched with the two moving rods 522, so that the two moving rods 522 slide along the corresponding moving rod holes 56 respectively, and the two moving rods 522 drive the two clamping plates 52 to move in the clamping cavity 53 respectively.

And the one end that all stretches into transmission cavity 55 at these two movable rods 522 all is connected with transmission rack 523, these two transmission racks 523 all are mutually perpendicular with these two movable rods 522, these two transmission racks 523 are located the upper and lower both sides of this drive gear 541 respectively, and these two transmission racks 523 all mesh with this drive gear 541 each other, when drive gear 541 rotates, drive gear 541 can drive two transmission racks 523 simultaneously and carry out the removal of opposite direction, thereby make two transmission racks 523 drive corresponding movable rod 522 respectively and remove along removing a hole 56, and then make the grip block 52 on two movable rods 522 be close to each other or keep away from each other, in order to fix the centre gripping or effectively loosen nozzle 9.

In addition, referring to fig. 3 and fig. 4, in the embodiment, the two clamping plates 52 are fixedly connected to the abutting springs 524 on the side away from the arc-shaped groove 521, the ends of the abutting springs 524 far away from the clamping plate 52 are fixedly connected to the side wall of the clamping cavity 53, and when the two clamping plates 52 are close to each other, the abutting springs 524 effectively abut against the clamping plates 52, so that the two clamping plates 52 more effectively fix and clamp the nozzle 9, and the stability of the nozzle 9 is improved. When the two clamping plates 52 are away from each other, the two clamping plates 52 respectively press the corresponding abutting springs 524, so that the abutting springs 524 elastically contract, and the two clamping plates 52 can loosen the nozzle 9, so that the nozzle 9 can be taken out or put into the placing hole 51 of the placing seat 5.

In addition, in this embodiment, the balls 525 are connected to both side surfaces of the two holding plates 52 in the width direction in a rolling manner, the balls 525 abut against the side wall of the holding cavity 53, and the balls 525 are provided, so that the friction force generated when the holding plates 52 are in sliding contact with the holding cavity 53 can be reduced, and the two holding plates 52 can slide more smoothly along the holding cavity 53.

Referring to fig. 1 and 5, in this embodiment, a cleaning mechanism is further disposed on the bearing surface of the fixing table 2, the cleaning mechanism is located on one side of the solution tank 6, and the cleaning mechanism is used for effectively cleaning the solidified film on the inner wall of the nozzle 9 after the softening reaction, so as to dredge the nozzle 9.

Specifically, in the present embodiment, the purge mechanism includes the slide holder 7 and the drive assembly. Wherein, the sliding seat 7 is connected on the bearing surface of the fixed table 2 in a sliding way; the driving assembly is arranged on the fixed table 2 so as to drive the sliding seat 7 to horizontally slide along the direction of the solution tank 6.

Referring to fig. 5 and 6, in the present embodiment, the driving assembly includes a sliding rod 71, the sliding rod 71 is slidably connected to the bearing surface of the fixing table 2, the sliding seat 7 is fixedly installed on a side of the sliding rod 71 facing the solution tank 6, and the bearing surface of the fixing table 2 is provided with a sliding groove 21, the sliding groove 21 and the sliding rod 71 are mutually matched, so that the sliding rod 71 drives the sliding seat 7 to slide along the sliding groove 21.

Meanwhile, fixing blocks 711 are symmetrically and fixedly installed on the top of the sliding rod 71, fixing screws 712 penetrate through the two fixing blocks 711, fixing holes 7111 penetrate through the two fixing blocks 711, and the fixing holes 7111 are matched with the fixing screws 712, so that the fixing screws 712 can penetrate through the fixing blocks 711 along the fixing holes 7111; and two fixing nuts 713 are screwed on both the two fixing screws 712, and the two fixing nuts 713 are screwed into the fixing screws 712, so that the two fixing nuts 713 are abutted against both sides of the fixing block 711, and thus the fixing screws 712 can be fixedly installed on the fixing block 711.

And the chain seats 714 are fixedly connected to one ends of the two fixing screws 712, the fixing chains 715 are fixedly connected between the two chain seats 714, and the fixing chains 715 can be fixedly connected to the two fixing blocks 711 by the mutual matching structure of the fixing screws 712 and the fixing nuts 713, so that the fixing chains 715 are horizontally straightened. Meanwhile, a driving motor 22 is also fixedly installed on the bearing surface of the fixed table 2, the output end of the driving motor 22 is fixedly connected with a fixed chain wheel 221, and the fixed chain wheel 221 is meshed with the fixed chain 715.

When the sliding seat 7 needs to be moved, the driving motor 22 is started, the output end of the driving motor 22 drives the fixed chain wheel 221 to rotate, the fixed chain wheel 221 is meshed with the fixed chain 715, so that the fixed chain wheel 221 drives the fixed chain 715 to move, the fixed chain 715 drives the sliding rod 71 to move along the sliding groove 21, and the sliding rod 71 drives the sliding seat 7 to automatically slide along the surface of the fixed table 2.

Referring to fig. 5 and 7, in this embodiment, a support rod 72 is fixedly mounted on both sides of the sliding seat 7 away from the fixed platform 2, a cleaning seat 73 is fixedly mounted on one end of the support rod 72 away from the sliding seat 7, a rotating shaft 731 is symmetrically and rotatably connected to one side of the cleaning seat 73 facing the placing seat 5, a rotating cavity 732 is formed in the cleaning seat 73, and one end of each of the two rotating shafts 731 extends into the rotating cavity 732; and a rotating assembly is further disposed inside the rotating cavity 732, and the rotating assembly can simultaneously drive the two rotating shafts 731 to rotate.

Specifically, in this embodiment, the rotating assembly includes a rotating motor 733, the rotating motor 733 is fixedly mounted on the bottom wall of the transmission cavity 55, a driving gear 7331 is connected to an output end of the rotating motor 733, a driven gear 7311 is fixedly connected to both ends of the two rotating shafts 731 extending into the rotating cavity 732, and the two driven gears 7311 are simultaneously engaged with the driving gear 7331.

When two rotating shafts 731 need to be rotated simultaneously, the rotating motor 733 is started, the output end of the rotating motor 733 drives the driving gear 7331 to rotate, and the driving gear 7331 can simultaneously drive the two driven gears 7311 to rotate in the rotating process, so that the two driven gears 7311 respectively drive the corresponding two rotating shafts 731 to rotate.

Referring to fig. 7, in the embodiment, a limiting seat 74 is fixedly connected to one end of each of the two rotating shafts 731, which is far away from the driven gear 7311, and when the rotating shafts 731 rotate, the limiting seat 74 can be driven to rotate. And a limiting groove 741 is disposed on one side of each of the two limiting seats 74 facing away from the rotating shaft 731, a cleaning member is fixedly mounted in each of the two limiting grooves 741 through a limiting component, the cleaning member is a cleaning brush 75, and the cleaning brush 75 is matched with the inner wall of the nozzle 9, so that the cleaning brush 75 can extend into the nozzle 9.

Remove one side department of clearance seat 73 when conveying chain 35 with nozzle 9 after the softening reaction, make clearance seat 73 with place seat 5 and align each other, then at the removal in-process of slide bar 71, can remove clearance seat 73 along the direction of placing seat 5, make the inner wall that cleans the hair on the spacing seat 74 and insert nozzle 9, then under the drive through rotating motor 733, two pivots 731 drive the brush 75 that cleans on the spacing seat 74 and rotate, thereby make and clean brush 75 and effectively clear up the curing film after the softening reaction, and then can dredge nozzle 9.

Specifically, referring to fig. 7, in the present embodiment, the limiting component includes a limiting screw 742, the limiting screw 742 penetrates through one side of the limiting seat 74 to extend into the limiting groove 741, and a threaded hole 743 communicated with the limiting groove 741 penetrates through one side of the limiting seat 74, the threaded hole 743 is in threaded connection with the limiting screw 742, so that the limiting screw 742 can rotate along the threaded hole 743 into the limiting groove 741.

A limit block 7421 is fixedly connected to one end of the limit screw 742, which extends into the limit groove 741, a knob block 7422 is fixedly connected to one end of the limit screw 742, which is far away from the limit block 7421, and the limit screw 742 can move along the threaded hole 743 by rotating the knob block 7422, so that the limit block 7421 on the limit screw 742 abuts against the outer side wall of the cleaning brush 75 inserted into the limit groove 741, and the cleaning brush 75 can be installed in the limit seat 74.

Preferably, a limit hole 751 is further formed on one side of the cleaning brush inserted into the limit groove 741, when the cleaning brush is inserted into the limit groove 741, the limit hole 751 corresponds to the threaded hole 743, and the limit hole 751 is matched with the limit block 7421, so that the limit screw 742 drives the limit block 7421 to be inserted into the limit hole 751, and the cleaning brush can be further stably installed in the limit seat 74, thereby improving the stability of the cleaning brush.

When the cleaning brush 75 needs to be detached, the limiting block 7421 on the limiting screw 742 can be extended out of the limiting hole 751 only by twisting the knob block 7422, so that the cleaning brush 75 can be detached quickly and replaced conveniently.

Referring to fig. 1 and 7, in order to enable the placing seat 5 and the cleaning seat 73 to correspond to each other more precisely, in the embodiment, the sensors 57 are symmetrically installed on the bottom of the side of the placing seat 5 away from the lifting rod 43, the emitters 734 are symmetrically and fixedly installed on the bottom of the side of the cleaning seat 73 where the cleaning brush 75 is installed, the emitters 734 can emit specific electrical signals, the sensors 57 can receive the electrical signals, and the sensors 57 and the emitters 734 are electrically connected with the conveying motor 33 respectively, so that the opening and closing of the conveying motor 33 can be controlled conveniently.

When inductor 57 receives the signal of telecommunication that emitter 734 launches, stop conveying motor 33 for place seat 5 and clearance seat 73 and align each other, can make the clearance brush on the clearance seat 73 insert the inner wall of nozzle 9 more accurately like this, thereby can realize effectively clearing up the cured film of nozzle 9 inner wall.

Referring to fig. 5, when the rotating cleaning brush 75 rotates and cleans the cured film on the inner wall of the nozzle 9, the problem of splashing of the cured film scraps may occur, and in order to clean the scraps, in this embodiment, a protective cover 735 is detachably sleeved on one side of the cleaning seat 73 facing the placing seat 5, and the protective cover 735 can effectively block the scraps.

When the solidified film on the inner wall of the nozzle 9 needs to be cleaned, the protective cover 735 on the cleaning seat 73 covers the outer side wall of the periphery of the placing seat 5 to form a closed space, so that the situation that the waste scraps splash to the fixed table 2 or the ground to pollute the workshop environment can be reduced.

In addition, an absorption member is disposed between the cleaning base 73 and the fixing table 2, and the absorption member can effectively absorb the waste of the solidified film splashed on the inner wall of the protection mask 735. Specifically, referring to fig. 1 and 5, in this embodiment, the absorbing assembly includes a collecting box 8, the collecting box 8 is fixedly mounted on the bearing surface of the fixing table 2, a suction fan 81 is fixedly mounted on the top of the collecting box 8, a wind-collecting pipe 82 is fixedly connected to a wind-sucking end of the suction fan 81, a plurality of wind-sucking pipes 83 are fixedly connected to one end of the wind-collecting pipe 82 far away from the suction fan 81, one end of each wind-sucking pipe 83 far away from the wind-collecting pipe 82 runs through the cleaning seat 73, so as to extend out of one side of the cleaning seat 73 facing the placing seat 5.

Meanwhile, suction nozzles 84 are fixedly connected to the ends of the air suction pipes 83 far away from the air collecting pipe 82, and the suction nozzles 84 can absorb the waste scraps. An exhaust pipe 85 is fixedly connected to the exhaust end of the suction fan 81, and one end of the exhaust pipe 85, which is far away from the suction fan 81, extends into the collection box 8 so as to exhaust the waste chips into the collection box 8.

When the suction fan 81 on the collection box 8 is started, suction force can be generated at the suction port of the suction nozzle 84, waste chips in the protective cover 735 are sucked into the suction pipe 83, then the waste chips are discharged into the air collecting pipe 82 along the suction pipe 83, and finally the waste chips are discharged into the collection box 8 through the exhaust pipe 85, so that the waste chips are collected into the collection box 8 in a unified manner.

In addition, with the structure of absorbing the scraps by the absorbing assembly, since a small portion of the diluent solution adheres to the inner wall of the nozzle 9 after the nozzle 9 is soaked in the diluent in the solution tank 6 for softening reaction, when the cleaning brush 75 cleans the cured film on the inner wall of the nozzle 9, a small portion of the cured film scraps contain moisture to splash and adhere to the inside of the protection mask 735; when the suction nozzle 84 is used for absorbing, the air in the protection cover 735 can be sucked away, so that the air in the protection cover 735 flows, the evaporation of the moisture in the waste chips can be effectively accelerated, and the waste chips can be further effectively absorbed by the suction nozzle 84.

The implementation principle of the automatic coating equipment for the circuit board in the embodiment of the application is as follows: when the solidified membrane of nozzle 9 inner wall needs to be cleared up, place into placing the hole 51 of placing seat 5 nozzle 9 waiting to clear up earlier, then through rotating carousel 542, make two grip blocks 52 be close to each other, fix the centre gripping with nozzle 9 placing in the hole 51, then start conveying motor 33, conveying motor 33's output drive shaft 32 rotates, drive shaft 32 is at the rotation in-process, can drive two drive sprocket 321 and rotate, two drive sprocket 321 then drive two conveyor chain 35 respectively and rotate, two conveyor chain 35 then drive two driven sprocket 341 respectively and rotate, thereby make two conveyor chain 35 drive fixed centre gripping nozzle 9 placing in the seat 5 simultaneously and carry.

When the two conveying chains 35 convey the nozzle 9 to the upper part of the solution tank 6, the lifting cylinder 41 on the bearing plate 4 is started, the piston rod of the lifting cylinder 41 drives the lifting plate 42 to descend, the lifting plate 42 can drive the placing seat 5 to descend through the lifting rods 43 in the descending process, so that the nozzle 9 can descend into the solution tank 6, and the diluent in the solution tank 6 and the solidified film on the inner wall of the nozzle 9 are subjected to softening reaction. After a certain time, the placing seat 5 is lifted and reset through the lifting cylinder 41, and then the softened nozzle 9 is conveyed by the conveying chain 35.

When inductor 57 on placing seat 5 receives the signal of telecommunication that the transmitter 734 on the clearance seat 73 launches, conveying motor 33 stops, make placing seat 5 align each other with clearance seat 73, then start driving motor 22, driving motor 22's output drive fixed sprocket 221 rotates, fixed sprocket 221 and fixed chain 715 intermeshing, thereby make fixed sprocket 221 drive fixed chain 715 and remove, fixed chain 715 then drives slide bar 71 and removes along sliding tray 21, and then make slide bar 71 drive clearance seat 73 on the slide bar 7 remove along the one side of placing seat 5, make the accurate nozzle 9 inner wall that inserts on placing seat 5 of clearance brush on the clearance seat 73.

Then start simultaneously and rotate motor 733 and suction fan 81, the output drive driving gear 7331 of rotating motor 733 rotates, driving gear 7331 is at the rotation in-process, can drive two driven gear 7311 simultaneously and rotate, thereby make two driven gear 7311 drive corresponding two pivot 731 respectively and rotate, two pivot 731 then drive simultaneously and rotate through spacing subassembly fixed mounting's clearance brush on spacing seat 74, and then make the clearance brush effectively clear up the solidified film of nozzle 9 inner wall, in order to dredge nozzle 9.

And the suction nozzle 84 on the suction fan 81 sucks the cured film waste chips, so that the waste chips are discharged into the air collecting pipe 82 along the suction pipe 83, and finally the exhaust pipe 85 discharges the waste chips into the collecting box 8, so that the waste chips can be uniformly collected into the collecting box 8, and the process of automatically cleaning the nozzle 9 can be completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. The utility model provides an automatic equipment of coating of circuit board, includes coating machine body (1), its characterized in that: one side of the coating machine body (1) is provided with a cleaning device used for cleaning a curing film adhered to the inner wall of the nozzle (9), the cleaning device comprises a fixed table (2) arranged on the outer side wall of the coating machine body (1), the fixed table (2) is provided with a plurality of bearing plates (4) through a conveying assembly, a placing seat (5) is arranged on each bearing plate (4), placing holes (51) matched with the nozzle (9) are symmetrically arranged in the placing seat (5) in a penetrating manner, a clamping mechanism used for fixedly clamping the nozzle (9) is arranged on each placing seat (5), a cleaning mechanism used for cleaning the curing film on the inner wall of the nozzle (9) is further arranged on each fixed table (2), the cleaning mechanism comprises a sliding seat (7) connected to the fixed table (2) in a sliding manner, a supporting rod (72) is arranged on each sliding seat (7), the cleaning device is characterized in that a cleaning seat (73) is arranged on the supporting rod (72), a rotating shaft (731) is symmetrically and rotatably connected to one side of the cleaning seat (73), one end of the rotating shaft (731) is connected with a limiting seat (74), two limiting seats (74) are respectively provided with a cleaning part matched with the inner wall of the nozzle (9) through a limiting component, a driving component is arranged in the cleaning seat (73) and comprises a sliding rod (71) which is slidably connected to the fixed table (2), a sliding groove (21) matched with the sliding rod (71) is formed in the surface of the fixed table (2), the sliding seat (7) is arranged at one end of the sliding rod (71), fixing blocks (711) are symmetrically arranged on the sliding rod (71), fixing screw rods (712) are respectively penetrated through the two fixing blocks (711), and fixing holes (7111) in threaded connection with the fixing screw rods (712) are penetrated through the two fixing blocks (711), one end of each of the two fixing screw rods (712) is symmetrically and threadedly connected with a fixing nut (713), the two fixing nuts (713) are respectively abutted to two sides of the fixing block (711), the other end of each of the two fixing screw rods (712) is connected with a chain seat (714), a fixing chain (715) is connected between the two chain seats (714), the fixing table (2) is provided with a rotating cavity (732) in the cleaning seat (73), the rotating assembly comprises a rotating motor (733) arranged on the inner wall of the rotating cavity (732), the output end of the rotating motor (733) is connected with a driving gear (7331), one end of each of the two rotating shafts (731) extending into the rotating cavity (732) is connected with a driven gear (7311), the driving gear (7331) is simultaneously meshed with the two driven gears (7311), one side of the limiting seat (74) departing from the rotating shaft (731) is provided with a limiting groove (741) matched with the cleaning piece, the limiting component comprises a limiting screw rod (742) penetrating through the side wall of the limiting seat (74), a threaded hole (743) communicated with the limiting groove (741) penetrates through the side wall of the limiting seat (74), the threaded hole (743) is in threaded connection with the limiting screw rod (742), a limiting hole (751) corresponding to the threaded hole (743) is formed in one side of the clearing part, a limiting block (7421) matched with the limiting hole (751) is connected to one end, extending into the limiting groove (741), of the limiting screw rod (742), a knob block (7422) is connected to one end, far away from the limiting block (7421), of the limiting screw rod (742), an absorbing component is arranged between the clearing seat (73) and the fixed table (2), and comprises a plurality of suction nozzles (84) symmetrically arranged on one side of the clearing seat (73), the utility model discloses a cleaning machine, be provided with on fixed station (2) collecting box (8), be provided with suction fan (81) on collecting box (8), the end of induced drafting of suction fan (81) is connected with collection tuber pipe (82), the one end of collection tuber pipe (82) is connected with many aspiration channels (83), many aspiration channels (83) all stretch into in cleaning seat (73) and be connected with a plurality of corresponding suction nozzle (84), the end of airing exhaust of suction fan (81) is connected with exhaust pipe (85), exhaust pipe (85) stretch into in collecting box (8), it still overlaps on one side of cleaning seat (73) and is provided with driving motor (22) on protection casing (735)), the output of driving motor (22) is connected with fixed sprocket (221), fixed sprocket (221) with fixed chain (715) mesh have be used for driving two simultaneously pivot (731) carry out pivoted rotating assembly, the fixed table (2) is also provided with a driving assembly used for sliding the sliding seat (7).

2. The automatic coating equipment of circuit board according to claim 1, characterized in that: the conveying component comprises a supporting frame (3) arranged on the fixed table (2), a support plate (31) is arranged on the support frame (3), a driving shaft (32) is rotatably connected on one side of the support plate (31), one end of the driving shaft (32) is symmetrically connected with a driving chain wheel (321), one side of the supporting plate (31) is also rotatably connected with a driven shaft (34), one end of the driven shaft (34) is symmetrically connected with a driven chain wheel (341), the driving chain wheel (321) and the driven chain wheel (341) are driven by a conveying chain (35), a conveying motor (33) is arranged on one side of the supporting plate (31) departing from the driving chain wheel (321), the output end of the conveying motor (33) is connected with the driving shaft (32), the bearing plate (4) is arranged on the surface of the conveying chain (35).

3. The automatic coating equipment of circuit board according to claim 1, characterized in that: place in seat (5) seted up with place centre gripping cavity (53) that hole (51) are linked together, fixture include symmetrical sliding connection in grip block (52) in grip chamber (53), two equal symmetry is seted up on the relative one side of grip block (52) with lateral wall matched with arc wall (521) of nozzle (9), it is used for two still to be provided with in seat (5) the drive assembly that is close to each other or keeps away from grip block (52).

4. The automatic coating equipment of circuit board according to claim 3, characterized in that: a transmission cavity (55) is further arranged inside the placing seat (5), the transmission assembly comprises a transmission shaft which is rotatably connected to one side of the placing seat (5), one end, extending into the transmission cavity (55), of the transmission shaft (54) is connected with a transmission gear (541), one end, far away from the transmission gear (541), of the transmission shaft (54) is connected with a turntable (542), the bottoms of the two clamping plates (52) are both connected with moving rods (522), one end, far away from the clamping plates (52), of each moving rod (522) is extended into the transmission cavity (55), moving strip holes (56) which are communicated with the transmission cavity (55) and the clamping cavity (53) are further formed in the placing seat (5), the moving strip holes (56) are matched with the moving rods (522), and one ends, extending into the transmission cavity (55), of the two moving rods (522) are both connected with racks (523), the two transmission racks (523) are meshed with the transmission gear (541).

5. The automatic coating equipment of circuit board according to claim 1, characterized in that: the improved diluent storage device is characterized in that a solution box (6) used for storing a diluent is arranged on the fixed table (2), a lifting assembly is further arranged between the bearing plate (4) and the placing seat (5), the lifting assembly comprises a lifting cylinder (41) arranged on the bearing plate (4), a piston rod of the lifting cylinder (41) is connected with a lifting plate (42), a plurality of lifting rods (43) are arranged on one side of the bearing plate (4), and the placing seat (5) is simultaneously arranged on the plurality of lifting rods (43).

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