CN115921423A

CN115921423A - Multifunctional cleaning device for printed circuit board

Info

Publication number: CN115921423A
Application number: CN202211656072.2A
Authority: CN
Inventors: 廖世雄; 刘培培; 张美良
Original assignee: Longnan Dingtai Electronic Technology Co ltd
Current assignee: Longnan Dingtai Electronic Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-07

Abstract

The invention discloses a multifunctional cleaning device for a printed circuit board, which relates to the technical field of circuit board cleaning and comprises an operation box, wherein drying machine boxes are arranged on two sides of the operation box, a transmission mechanism for performing ultrasonic cleaning on the circuit board is arranged in the operation box, and a plurality of clamping and drying assemblies for conveying the circuit board to perform ultrasonic cleaning and drying on the cleaned circuit board by matching with the drying machine boxes are arranged in the transmission mechanism. According to the clamping and drying assembly and the transmission mechanism, the clamping tube is matched with the hollowed-out design in shape, so that the circuit board can be clamped to move to enter the bottom of the ultrasonic cleaning pool to be cleaned in the moving process, scaling powder and plasma pollutants on the circuit board can be cleaned rapidly, and the air collecting tube is triggered to be matched with the mechanism of the drying cabinet along with the continuous movement of the clamping tube, so that the clamping tube becomes a drying pipeline of the drying cabinet.

Description

Multifunctional cleaning device for printed circuit board

Technical Field

The invention relates to the technical field of circuit board cleaning, in particular to a multifunctional cleaning device for a printed circuit board.

Background

The circuit board production process requires a plurality of process stages, and the circuit board is contaminated to various degrees at each stage, so that various deposits or impurities such as solder, solder paste, adhesive, etc. remain on the surface of the circuit board. These contaminants can degrade product performance and even cause product failure. For example, in the process of soldering electronic components, solder paste, flux and the like are used for auxiliary soldering, and residues of the solder paste and the flux are generated after soldering, wherein the residues contain organic acid, electric ions and the like, the organic acid can corrode a circuit board, and the presence of the electric ions can cause short circuit, so that the product fails.

Present circuit board belt cleaning device, be used mainly to do final cleaning after circuit board production is accomplished, circuit board abluent mode has in many including brush washing and ultrasonic cleaning, and the device that adopts ultrasonic cleaning now need be piled up circuit board together and put into ultrasonic cleaning pond after whole cleanness is accomplished and fish out and dry, the loaded down with trivial details needs of holistic operation process are dried alone, also there is the mode that adopts the ultrasonic water spray to clear up, but the surface that only can clear up the circuit board can't clear up the welding hole, make the relatively poor unable degree of depth of accomplishing of clean effect wash, therefore, this application provides a printed circuit board's multi-functional belt cleaning device and satisfies the demand.

Disclosure of Invention

An object of the application is to provide a multi-functional belt cleaning device of printed circuit board, can effectively solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a multi-functional belt cleaning device of printed circuit board, includes the control box, the control box both sides all are provided with the drying-machine case, the inside of control box is provided with carries out ultrasonic cleaning's drive mechanism to the circuit board, drive mechanism's inside is provided with a plurality of and carries out ultrasonic cleaning and cooperate the centre gripping stoving subassembly that the drying-machine case dried to the circuit board after wasing, a plurality of be provided with between the centre gripping stoving subassembly can the different model sizes of centre gripping circuit board carry out abluent thing subassembly, two be provided with between the drying-machine case and run through control box and drive mechanism and be used for carrying out the clearance mechanism of preliminary drying to the circuit board.

Preferably, drive mechanism is including setting up the washing case in the inside of control box, the diapire of wasing the case is provided with ultrasonic cleaning equipment, the both sides of wasing the case have all been seted up installation Kong Hefeng dry hole, the inner wall both sides of wasing the case all are provided with the track, and just two orbital inner walls have all been seted up and have been nibbled the tooth's socket, the both sides of wasing the case all are provided with driving motor, two driving motor's output all runs through and washs the case and be provided with the drive wheel, and two drive wheels all are located the inside of nibbling the tooth's socket.

Preferably, centre gripping stoving subassembly includes that slidable mounting is inside and with the installation pipe of drive wheel engaged with in the track, installation pipe surface both sides all are provided with the linking piece of mutual dislocation, the inner wall of installation pipe is provided with four longitudinal symmetry's conflict piece.

Preferably, the inside of installation pipe is provided with the connecting pipe, one side of connecting pipe is provided with the centre gripping pipe, the centre gripping pipe is "B" word shape, and two adjacent centre gripping pipes then are opposite shape, the inner wall of centre gripping pipe is provided with the swash plate, the surface of centre gripping pipe is provided with the block rubber, connecting pipe one side is provided with the collection tuber pipe, and has seted up the apopore bottom the surface of collection tuber pipe, the surface symmetry of connecting pipe is provided with two backup pads, two the both ends of backup pad all are provided with fixture block, two the backup pad both sides all are provided with the spring board, four the spring board all is "S" shape, and supports touch multitouch and fixture block and all block at the both ends of spring board.

Preferably, put the thing subassembly and include the installing frame, and the installing frame is the cross frame shape, the bottom of installing frame is provided with the parting bead, the inner wall of installing frame is provided with four grip blocks, the both sides of installing frame all are provided with the linkage plate, two one side that the installing frame was kept away from to the linkage plate all is provided with the rubber sleeve, two the inside of rubber sleeve all is provided with two supporting shoes, and is provided with a plurality of shell fragment between two supporting shoes jointly.

Preferably, the rubber sleeve is arranged among the plurality of rubber blocks, and the outer surface of the rubber sleeve is provided with anti-skidding grooves.

Preferably, the clearance mechanism is including setting up the tuber pipe in the mounting hole is inside, the both sides of going out the tuber pipe all run through the control box respectively with two drying cabinet fixed connection, the surface of going out the tuber pipe is provided with rather than the communicating exhaust pipe in inside, the inside of exhaust pipe is provided with the flow distribution plate.

Preferably, the ultrasonic cleaning pool of the cleaning tank is arranged at the middle part, and the rail extends to the inside of the ultrasonic cleaning pool.

In conclusion, the technical effects and advantages of the invention are as follows:

1. according to the clamping and drying assembly and the transmission mechanism, the clamping tube is designed to be matched with the hollow part in shape, so that the circuit board can be clamped to move to enter the bottom of the ultrasonic cleaning pool for cleaning in the moving process, scaling powder and plasma pollutants on the circuit board can be cleaned rapidly, the cleaned circuit board can be fished out for primary drying along with the movement of the clamping tube, the air collecting tube is triggered to be matched with the mechanism of the drying case along with the continuous movement of the clamping tube, the clamping tube becomes a drying pipeline of the drying case, the clamping tube can have a clamping function and can also dry the circuit, and the clamping tube can rapidly dry the cleaned circuit board because the clamping tube is close to the circuit board and the arranged structure is aligned to the surface of the circuit board;

2. the object placing component and the transmission mechanism can fix circuit boards with different shapes and sizes for cleaning according to the requirements of different manufacturers, the circuit boards can be quickly sent into the ultrasonic cleaning tank for cleaning by matching with the clamping and drying component, and can also be quickly fished out for drying after the circuit boards are cleaned, and the cleaned circuit boards can penetrate into the ultrasonic cleaning tank because the special track of the transmission mechanism is matched with the object placing component, so that the circuit boards can be cleaned more thoroughly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first perspective view of a multi-functional cleaning apparatus for printed circuit boards;

FIG. 2 is a second perspective view of the multifunctional cleaning apparatus for printed circuit boards;

FIG. 3 is a third perspective view of a multi-functional cleaning apparatus for printed circuit boards;

FIG. 4 is a schematic perspective view of the transmission mechanism;

FIG. 5 is a schematic view of a three-dimensional connection structure of a rail;

FIG. 6 is a schematic view of a three-dimensional connection structure of a driving motor and a driving wheel;

FIG. 7 is a schematic view of a three-dimensional connection structure of the holding and drying assembly and the placement assembly;

FIG. 8 is a schematic view of a first-view perspective connection structure of the clamping and drying assembly;

FIG. 9 is a schematic view of a second perspective connection structure of the clamping and drying assembly;

FIG. 10 is a schematic view showing a three-dimensional connection structure of the clamping tube and the air collecting tube;

FIG. 11 is a schematic perspective view of a connection structure of the grip pipe and the connection pipe;

FIG. 12 is a schematic perspective view of the mounting tube;

FIG. 13 is an enlarged view of the clamping and drying assembly;

FIG. 14 is a perspective view of the storage assembly;

FIG. 15 is an exploded view of the three-dimensional connection structure of the storage assembly;

fig. 16 is a perspective view of the cleaning mechanism.

In the figure: 1. an operation box; 2. drying the cabinet; 3. a transmission mechanism; 30. air drying the holes; 31. a cleaning tank; 32. mounting holes; 33. a drive motor; 34. a track; 35. a drive wheel; 36. meshing the tooth grooves; 4. clamping the drying assembly; 40. installing a pipe; 41. clamping the tube; 42. an air collecting pipe; 43. a water outlet hole; 44. a connecting pipe; 45. a support plate; 46. a clamping block; 47. a rubber block; 48. a sloping plate; 49. a joining block; 411. a contact block; 412. a spring plate; 5. an article placing component; 51. a rubber sleeve; 52. a supporting block; 53. a spring plate; 54. a connection plate; 55. installing a frame; 56. a parting strip; 57. a clamping plate; 6. a clearing mechanism; 61. an air outlet pipe; 62. an exhaust duct; 63. a splitter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-16, a multi-functional belt cleaning device of printed circuit board, including control box 1, control box 1 both sides all are provided with drying cabinet 2, the inside of control box 1 is provided with drive mechanism 3 that carries out ultrasonic cleaning to the circuit board, the inside of drive mechanism 3 is provided with the centre gripping stoving subassembly 4 that a plurality of transport circuit board carries out ultrasonic cleaning and cooperates drying cabinet 2 to carry out the stoving to the circuit board after the washing, be provided with between a plurality of centre gripping stoving subassembly 4 and carry out abluent thing subassembly 5 of putting of circuit board that can the centre gripping different model sizes, be provided with between two drying cabinet 2 and run through control box 1 and drive mechanism 3 and be used for carrying out the clearance mechanism 6 of preliminary drying to the circuit board.

It is worth explaining that, when in use, a circuit board to be cleaned is placed on the object placing component 5, the object placing component 5 can fix the circuit boards with different sizes into the operation box 1 according to the different sizes of the prefabricated circuit boards of different manufacturers, then the object placing component 5 is sent between the two clamping and drying components 4 by a user, the transmission mechanism 3 can drive the clamping and drying components 4 to rotate, the object placing component 5 can be driven to move into an ultrasonic cleaning water pool arranged inside the transmission mechanism 3 along with the movement of the clamping and drying components 4, the transmission mechanism 3 can completely soak the object placing component 5 in the water pool, and the circuit board inside the object placing component 5 is cleaned in the water pool inside the transmission mechanism 3 through ultrasonic waves, so that scaling powder and plasma pollutants on the circuit board can be removed;

and the circuit board after wasing can be along with centre gripping stoving subassembly 4's removal will drive and put thing subassembly 5 and circuit board removal and move from the pond and move out, and drying-machine case 2 then can carry out preliminary dewatering clearance through drive mechanism 6 to the circuit board after leaving water, thereby can be with higher speed subsequent stoving, along with centre gripping stoving subassembly 4's continuous removal drying-machine case 2 then can cooperate the circuit board through drive mechanism 3 and centre gripping stoving subassembly 4 and dry, because centre gripping stoving subassembly 4 sets up the laminating circuit board, thereby centre gripping stoving subassembly 4 and the cooperation of putting thing subassembly 5 accelerate the stoving of circuit board.

Further, in order to make the cleaned circuit board completely immerse in the ultrasonic cleaning pool, the transmission mechanism 3 as shown in fig. 3-6 is arranged, the transmission mechanism 3 comprises a cleaning box 31 arranged inside the operation box 1, the bottom wall of the cleaning box 31 is provided with ultrasonic cleaning equipment, mounting holes 32 are arranged on two sides of the cleaning box 31, rails 34 are arranged on two sides of the inner wall of the cleaning box 31, meshing tooth grooves 36 are arranged on the inner walls of the two rails 34, driving motors 33 are arranged on two sides of the cleaning box 31, output ends of the two driving motors 33 penetrate through the cleaning box 31 and are provided with driving wheels 35, and the two driving wheels 35 are arranged inside the meshing tooth grooves 36.

Furthermore, in order to conveniently clamp the cleaned circuit board and dry the circuit board, a drying assembly 4 shown in fig. 7-13 is provided, the clamping drying assembly 4 includes a mounting tube 40 slidably mounted inside the rail 34 and engaged with the driving wheel 35, engaging blocks 49 dislocated with each other are provided on both sides of the outer surface of the mounting tube 40, and the engaging blocks 49 dislocated with each other can connect the mounting tubes 40 in a rotating manner to form a toothed chain, so that a circular transportation effect can be achieved, and four contact blocks 411 symmetrical up and down are provided on the inner wall of the mounting tube 40.

Wherein, when using, driving motor 33 passes through the output shaft and drives drive wheel 35 and rotate, and drive wheel 35 and installation pipe 40 mesh, so can drive installation pipe 40 when drive wheel 35 rotates and slide in the inside of track 34, because the setting of track 34 extends to the inside washing tank of washing case 31 in, can let follow-up abluent circuit board fully soak and carry out ultrasonic cleaning in aqueous.

Be provided with connecting pipe 44 in the inside of installation pipe 40, one side of connecting pipe 44 is provided with grip tube 41, the inner wall of grip tube 41 is provided with swash plate 48, the surface of grip tube 41 is provided with rubber block 47, connecting pipe 44 one side is provided with collection tuber pipe 42, and apopore 43 has been seted up to collection tuber pipe 42' S surface bottom, the surface symmetry of connecting pipe 44 is provided with two backup pads 45, the both ends of two backup pads 45 all are provided with fixture block 46, two backup pads 45 both sides all are provided with spring plate 412, four spring plates 412 all are "S" shape, and conflict piece 411 and fixture block 46 all block at the both ends of spring plate 412.

When the installation tube 40 slides in the track 34, the installation tube 40 will drive the connection tube 44 to move, the connection tube 44 drives the clamping tubes 41 and the air collecting tube 42 to move, because the clamping tubes 41 are in the shape of "b", and the two adjacent clamping tubes 41 are in opposite shapes, when the clamping tubes 41 move to the initial ends of the two ends, the two clamping tubes 41 clamp the placement component 5 in the shape of a clip, because the clamping tubes 41 are disposed on the two sides of the placement component 5, the clamping is more stable, and as the placement component 5 continuously moves, more clamping tubes 41 contact the placement component 5 through the rubber blocks 47, so that the placement component 5 can be clamped more stably and is not easy to fall off, and after the cleaning is completed, the placement component 5 will also fall off along with the movement of the clamping tubes 41 along with the continuous movement of the clamping tubes 41;

after putting thing subassembly 5 through the fixed completion of a plurality of centre gripping pipe 41, thereby will put thing subassembly 5 and transport in the ultrasonic cleaning pond along with the removal of centre gripping pipe 41, because the ultrasonic cleaning pond that washs case 31 sets up at the middle part, and track 34 extends to the inside in ultrasonic cleaning pond, centre gripping pipe 41 can be the transportation curve of U type just can be with the bottom to the ultrasonic cleaning pond of putting thing subassembly 5 transportation, because it has the unable bottom that buckles and enter into the ultrasonic cleaning pond that produces of a plurality of centre gripping pipe 41 centre gripping when removing thing subassembly 5, so when centre gripping pipe 41 is curvilinear motion, in order to make the bottom that puts thing subassembly 5 and enter into the ultrasonic cleaning pond completely, centre gripping pipe 41 is extruded and is driven connecting pipe 44 and rotate, and connecting pipe 44 will extrude spring plate 412 through backup pad 45 and contract the extension, thereby change the centre gripping angle of centre gripping pipe 41, also can let when preventing to put thing subassembly 5 and buckle put thing subassembly 5 quick entering into the ultrasonic cleaning pond, thereby can carry out quick washing to putting the inside fixed circuit board of thing subassembly 5.

Further, the clearing mechanism 6 comprises an air outlet pipe 61 arranged inside the mounting hole 32, two sides of the air outlet pipe 61 penetrate through the operation box 1 and are fixedly connected with the two drying cabinets 2 respectively, an exhaust pipe 62 communicated with the inside of the exhaust pipe 61 is arranged on the outer surface of the air outlet pipe 61, and a splitter plate 63 is arranged inside the exhaust pipe 62.

When the object placing assembly 5 is completely immersed in the ultrasonic cleaning tank, the clamping pipe 41 is also immersed in the ultrasonic cleaning tank, the arranged water outlet 43 can quickly discharge cleaning liquid entering the clamping pipe 41 and the connecting pipe 44, the object placing assembly 5 is fished out of the ultrasonic cleaning tank along with the movement of the clamping pipe 41 after the cleaning of the circuit board is completed, and after the object placing assembly 5 is moved out of the ultrasonic cleaning tank, the drying cabinet 2 removes water and dries the circuit board on the object placing assembly 5 through the air outlet pipe 61 and the air exhaust pipe 62, the flow distribution plate 63 can distribute dried air to accelerate the flow speed of the air, and the surface of the circuit board is not completely dried after the circuit board is dried through the air exhaust pipe 62;

when the object placing assembly 5 moves continuously along with the holding tube 41, so that the air collecting pipe 42 moves to the position of the air drying hole 30 along with the holding tube 41, the drying cabinet 2 blows air into the air collecting pipe 42 through the air drying hole 30, and then the air is finally blown onto the circuit board through the connecting pipe 44 and the holding tube 41, because the holding tube 41 holds the object placing assembly 5 and the inclined plate 48 is arranged, the dried air flow can blow directly to the upper surface and the lower surface of the circuit board, and the cleaned circuit board can be dried quickly.

It is worth to be noted that the clamping pipes 41 arranged in the invention are in a shape like a Chinese character 'yi', and the two adjacent clamping pipes 41 are in opposite shapes, when the object placing assembly 5 is sent into the middle of the two clamping pipes 41, the object placing assembly 5 can be driven to move along the track of the track 34 along with the movement of the clamping pipes 41, the movement of the object placing assembly 5 cannot shake rigidly due to the arranged spring plate 412, and the circuit board can be completely soaked in the cleaning liquid for cleaning according to the track movement of the track 34, and the cleaned circuit can be fished out for drying along with the movement of the clamping pipes 41, and the cleaned circuit board can be rapidly dried while being clamped along with the movement of the clamping pipes 41 and the matching of the drying cabinet 2, so that the whole transportation and drying processes are matched with each other to achieve a better drying effect;

because the track 34 is provided with two so in order to let the centre gripping pipe 41 play the effect of centre gripping, the centre gripping pipe 41 that sets up in two tracks 34 also is crisscross distribution to the centre gripping pipe 41 also can play the centre gripping effect through the design with the contact length of putting the thing subassembly 5, and has along with the removal of centre gripping pipe 41 after the centre gripping pipe 41 will put thing subassembly 5 stoving completion and can push out putting the thing subassembly 5, thereby make things convenient for follow-up staff's processing.

Example two

Based on the article placing assembly 5 and the drying assembly 4 provided in the first embodiment, the present embodiment provides a further technical solution for the article placing assembly 5 and the drying assembly 4.

It is worth explaining that in order to be able to clean circuit boards of different sizes, the object placing assembly 5 shown in fig. 14 and 15 is arranged, the object placing assembly 5 comprises an installation frame 55, the installation frame 55 is in a cross frame shape, a partition bar 56 is arranged at the bottom of the installation frame 55, four clamping plates 57 are arranged on the inner wall of the installation frame 55, two sides of the installation frame 55 are respectively provided with a connecting plate 54, one side of each of the two connecting plates 54, which is far away from the installation frame 55, is respectively provided with a rubber sleeve 51, two supporting blocks 52 are arranged inside the two rubber sleeves 51, and a plurality of elastic pieces 53 are jointly arranged between the two supporting blocks 52.

When the circuit board cleaning device is used, a circuit board to be cleaned is placed on the division bar 56, then the circuit board is pushed to be inserted into the bottom of the clamping plate 57, the clamping plate 57 is elastic and S-shaped, so that the circuit board can be clamped at the fastest speed and cannot move when being cleaned, the circuit boards of different types can be conveniently clamped and cleaned by matching the clamping plate 57 and the mounting frame 55, and the division bar 56 can support the clamped circuit board and cannot influence the cleaning of the subsequent circuit board;

put the abluent circuit board of needs completely in the installing frame 55 back, then put into between a plurality of rubber blocks 47 with rubber sleeve 51, can hold whole thing subassembly 5 and remove in the ultrasonic cleaning pond along with the removal of centre gripping pipe 41, and rubber sleeve 51's surface all is provided with the antiskid ribbed tile and can makes subsequent washing can not lead to putting thing subassembly 5 and drop in the ultrasonic cleaning pond, when centre gripping pipe 41 passes through rubber block 47 centre gripping rubber sleeve 51, supporting shoe 52 receives pressure will extrude shell fragment 53 shrink, and the elasticity that shell fragment 53 produced makes the installing frame 55 skew can let the circuit board soak in the ultrasonic cleaning pond completely with the cooperation of spring plate 412.

It is worth to say that, because the products that different producers produced are different, the required circuit board shape also is different, adopt parting bead 56 to support the circuit board and carry out the centre gripping with grip block 57 and can fix the circuit board of different specifications thereby satisfy different producers' demand to the shell fragment 53 that sets up makes installing frame 55 can not produce buckling when entering into the ultrasonic cleaning pond with the cooperation of spring plate 412, and shell fragment 53 has increased the pliability with spring plate 412 thereby lets whole defeated chain normal operating.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a multi-functional belt cleaning device of printed circuit board, includes control box (1), control box (1) both sides all are provided with stoving machine case (2), its characterized in that: the inside of control box (1) is provided with drive mechanism (3) that carries out ultrasonic cleaning to the circuit board, the inside of drive mechanism (3) is provided with a plurality of and carries out ultrasonic cleaning and cooperate drying cabinet (2) to carry out centre gripping drying assembly (4), a plurality of that the circuit board after wasing dries, is provided with between centre gripping drying assembly (4) and can the not circuit board of model size of centre gripping carry out abluent thing subassembly (5), two be provided with between drying cabinet (2) and run through control box (1) and drive mechanism (3) and be used for carrying out clearance mechanism (6) of preliminary drying to the circuit board.

2. A multifunctional cleaning device for printed circuit boards according to claim 1, characterized in that: drive mechanism (3) are including setting up washing case (31) in operation box (1) inside, the diapire of wasing case (31) is provided with ultrasonic cleaning equipment, mounting hole (32) and air-drying hole (30) have all been seted up to the both sides of wasing case (31), the inner wall both sides of wasing case (31) all are provided with track (34), and the inner wall of two track (34) has all seted up tooth's socket (36), the both sides of wasing case (31) all are provided with driving motor (33), two the output of driving motor (33) all runs through and washs case (31) and is provided with drive wheel (35), and two drive wheel (35) all are located the inside of nibbling tooth's socket (36).

3. A multifunctional cleaning device for printed circuit boards according to claim 1, characterized in that: centre gripping stoving subassembly (4) including slidable mounting in track (34) inside and with installation pipe (40) of drive wheel (35) looks meshing, installation pipe (40) surface both sides all are provided with linking piece (49) of dislocation each other, the inner wall of installation pipe (40) is provided with four conflict pieces (411) of longitudinal symmetry.

4. A multifunctional cleaning device for printed circuit boards according to claim 3, characterized in that: the utility model discloses an installation pipe, including installation pipe (40), connecting pipe (44), one side of connecting pipe (44) is provided with centre gripping pipe (41), centre gripping pipe (41) are "B" font form, and just two adjacent centre gripping pipes (41) are then opposite shape, the inner wall of centre gripping pipe (41) is provided with swash plate (48), the surface of centre gripping pipe (41) is provided with rubber block (47), connecting pipe (44) one side is provided with collection tuber pipe (42), and the surface bottom of collection tuber pipe (42) has seted up apopore (43), the surface symmetry of connecting pipe (44) is provided with two backup pads (45), two the both ends of backup pad (45) all are provided with fixture block (46), two backup pad (45) both sides all are provided with spring board (412), four spring board (412) all are "S" shape, and conflict piece (411) and fixture block (46) all block the both ends at spring board (412).

5. A multifunctional cleaning device for printed circuit boards according to claim 1, characterized in that: put thing subassembly (5) including installing frame (55), and installing frame (55) are cross frame shape, the bottom of installing frame (55) is provided with parting bead (56), the inner wall of installing frame (55) is provided with four grip blocks (57), the both sides of installing frame (55) all are provided with linkage plate (54), two one side that installing frame (55) was kept away from in linkage plate (54) all is provided with rubber sleeve (51), two the inside of rubber sleeve (51) all is provided with two supporting shoes (52), and is provided with a plurality of shell fragment (53) between two supporting shoes (52) jointly.

6. The multifunctional cleaning device for the printed circuit board according to claim 5, wherein: the rubber sleeve (51) is positioned among the rubber blocks (47), and the outer surface of the rubber sleeve (51) is provided with anti-skidding grooves.

7. The multifunctional cleaning device for the printed circuit board according to claim 1, wherein: clear away mechanism (6) including setting up air-out pipe (61) in mounting hole (32) inside, the both sides of air-out pipe (61) all run through control box (1) respectively with two stoving machine case (2) fixed connection, the surface of air-out pipe (61) is provided with rather than inside communicating exhaust pipe (62), the inside of exhaust pipe (62) is provided with flow distribution plate (63).

8. A multifunctional cleaning device for printed circuit boards according to claim 2, characterized in that: the ultrasonic cleaning pond of wasing case (31) sets up at the middle part, and inside that track (34) extended to the ultrasonic cleaning pond.