CN213051721U

CN213051721U - PCB cleaning and blow-drying device

Info

Publication number: CN213051721U
Application number: CN202021311431.7U
Authority: CN
Inventors: 周书好
Original assignee: Quanzhou Jintian Electronic Circuit Board Co ltd
Current assignee: Quanzhou Jintian Electronic Circuit Board Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-27
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a PCB cleaning and drying device, which comprises a frame, a cleaning box, a positive and negative rotation speed reducing motor, an air compressor and a water pump, wherein the output shaft of the positive and negative rotation speed reducing motor extends into the cleaning box, the positive and negative rotation speed reducing motor is sleeved with a first gear, two sides of the cleaning box are respectively connected with a lead screw in a rotating way, a second gear is sleeved on the lead screw, the lead screw is in threaded connection with a lead screw nut, a spray seat is fixedly connected with a lower moving rod, the inner side surface of the spray seat is provided with a plurality of nozzles, two side surfaces of the cleaning box are respectively provided with a connecting pipe in a symmetrical way, the spray seat is connected with the connecting pipe through a hose, the other end of the connecting pipe is provided with a three-way electromagnetic valve, the first interface of the three-way electromagnetic valve is communicated with the water outlet of the water pump, the, the water pump is connected with the water tank, and the cleaning box is also provided with a turnover device.

Description

PCB cleaning and blow-drying device

Technical Field

The utility model relates to a production technical field of PCB board especially relates to a washing of PCB board weathers device.

Background

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

The existing PCB cleaning device cannot thoroughly and cleanly clean the surface of the PCB in the actual use process, cannot clean two sides simultaneously, and is slow in cleaning speed; in addition, the surface of the PCB cleaned by the conventional PCB cleaning device can be remained with water drops, and the PCB can be directly taken down to drop the water drops in a workshop, so that safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a PCB board washs and weathers device.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a PCB cleaning and drying device comprises a frame, a cleaning box arranged above the frame, a forward and reverse rotation speed reducing motor, an air compressor, a water pump and a spray seat, wherein the forward and reverse rotation speed reducing motor is locked on the top of the cleaning box through bolts, an output shaft of the forward and reverse rotation speed reducing motor extends into the cleaning box, a first gear is sleeved on the tail part of the output shaft of the forward and reverse rotation speed reducing motor, a transversely arranged screw rod is respectively and rotatably connected on the left side and the right side in the cleaning box, a second gear meshed and connected with the first gear is sleeved on the tail part of each screw rod, a screw rod nut is in threaded connection with the middle part of each screw rod, an upper moving rod and a lower moving rod which are in sliding connection with the cleaning box are respectively arranged on the upper end surface and the lower end surface of the screw rod nut, the spray seat is fixedly connected on the lower moving rod, a plurality of spray nozzles are arranged on the inner side surface of the, the left and right sides face of wasing the case is the symmetry respectively and is provided with a connecting pipe, spout and be connected through the hose between seat and the connecting pipe, the other end of this connecting pipe is provided with a three solenoid valve, three solenoid valve's first interface and water pump delivery port are linked together, and this three solenoid valve's second interface intercommunication air compressor machine's gas outlet, a rivers export has been seted up on the bottom of wasing the case, the frame is located the rivers export and is provided with a basin under, the water pump sets up on the left outside of frame bottom, the water pump is connected with the basin, still be provided with a turning device who is convenient for overturn the PCB board on the washing case.

Preferably, the turnover device comprises an air cylinder, a movable rack, a limiting wheel, a rotating shaft and a longitudinal plate, wherein the cylinder body of the air cylinder is arranged on the rear side surface of the cleaning box, the tail part of a telescopic rod of the air cylinder is fixedly connected with the movable rack, the movable rack is parallel to the rear side surface of the cleaning box, the limiting wheel is rotatably connected to the cleaning box and is positioned right above the movable rack, the rotating shaft is rotatably connected to the cleaning box, a rotating gear meshed with the movable rack is sleeved at the part of the rotating shaft, which is exposed out of the cleaning box, the longitudinal plate is fixedly connected to the end part of the rotating shaft, which is far away from the rotating gear, an upper support plate and a lower support plate are respectively and fixedly connected to the top and the bottom of the longitudinal plate, a compression rod penetrates through the upper support plate, the bottom of the compression rod further fixedly connected to the compression plate after penetrating through the upper support plate, the top of the pressure lever is provided with a pulling plate.

Preferably, a filter screen is arranged at the water flow outlet.

Preferably, a plurality of filter layers are arranged in the water tank.

Preferably, a door body is connected to the front side surface of the cleaning box through a hinge.

Preferably, the screw thread on the screw rod on the left side of the cleaning box is opposite to the screw thread on the screw rod on the right side of the cleaning box.

Preferably, the system also comprises a control system which is respectively electrically connected with the water pump, the air compressor, the positive and negative rotation speed reducing motor, the air cylinder and the three-way electromagnetic valve.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model provides a PCB board cleaning and drying device, through installing the structure such as spout seat, lead screw and screw-nut in the washing case, and spout the seat and be connected with the water pump, the air compressor machine respectively through three solenoid valve, namely control system control positive and negative rotation gear motor's operation, positive and negative rotation gear motor output shaft's rotation has driven the rotation of the first gear of being connected with it, make first gear carry out threaded connection with the second gear that is located its both sides, the second gear can drive the lead screw that is connected with it and rotate, the lead screw has driven screw-nut and can move on it, thereby it can move about to drive the spout seat on the lower moving rod that is connected with screw-nut, when needing to wash the PCB board, control system control three solenoid valve's first interface is opened, the second interface is closed, then the water in the water pump will circulate to spout the seat at this moment, the nozzle on the spray seat can clean the PCB, and the spray seat can enable water flow to have certain impact force in the moving process, so that the PCB positioned on the middle part of the cleaning box can be thoroughly cleaned, and the cleaning effect is good; when the PCB is dried after being washed, the control system controls the first interface of the three-way electromagnetic valve to be closed and the second interface to be opened, then the air in the air compressor can be circulated into the spraying seat at the moment, the nozzle on the spraying seat can blow and dry the PCB, the drying efficiency is dry, the workshop environment can be prevented from being wetted, and the safety accident can be avoided.

2. The utility model provides a pair of PCB board wash weathers device, through the installation by the cylinder on wasing the case, the removal rack, the rolling gear, closing plate equipartition combines the turning device who constitutes, earlier place the PCB board on the extension board down promptly, loosen the arm-tie, the closing plate can be with the more firm fixed of PCB board under the effect of spring on the extension board, then control system control cylinder function, the cylinder has driven the removal of removing the rack, it can mesh with the rolling gear and be connected to remove the rack, and then the rotation of pivot has been driven, make the PCB board rotate, thereby avoid thoroughly clean inadequately to the washing on PCB board surface, and can not accomplish two-sided while and carry out abluent problem, it is fast to wash.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a front view of a PCB board cleaning and drying device of the present invention;

fig. 2 is a rear view of the PCB cleaning and drying apparatus of the present invention;

fig. 3 is the utility model relates to a washing of PCB board weathers turning device's schematic diagram of connecting on wasing the case.

In the figure: 1. a frame; 2. a cleaning tank; 3. a positive and negative rotation speed reducing motor; 4. an air compressor; 5. a water pump; 6. spraying seats; 7. a first gear; 81. a cylinder; 82. moving the rack; 83. a limiting wheel; 84. a rotating shaft; 85. a longitudinal plate; 86. a rotating gear; 87. an upper support plate; 88. a lower support plate; 89. a pressure lever; 810. a compression plate; 811. a spring; 812. pulling a plate; 9. a screw rod; 10. a second gear; 11. a feed screw nut; 12. moving the rod upwards; 13. moving the rod downwards; 14. a spout; 15. a connecting pipe; 16. a hose; 17. a three-way electromagnetic valve; 18. a water flow outlet; 19. a water tank; 20. a filter screen; 21. a filter layer; 22. a door body; 23. a control system; a PCB board.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

Referring to fig. 1, 2 and 3, a cleaning and drying device for a PCB comprises a frame 1, a cleaning box 2 arranged above the frame, a forward and reverse rotation speed reducing motor 3, an air compressor 4, a water pump 5 and a spray seat 6, wherein the forward and reverse rotation speed reducing motor 3 is locked on the top of the cleaning box 2 through bolts, an output shaft of the forward and reverse rotation speed reducing motor 3 extends into the cleaning box, a first gear 7 is sleeved on the tail part of the output shaft of the forward and reverse rotation speed reducing motor 3, a transversely arranged screw rod 9 is respectively rotatably connected on the left side and the right side in the cleaning box 2, a second gear 10 meshed with the first gear 7 is sleeved on the tail part of each screw rod 9, a screw rod nut 11 is connected on the middle part of each screw rod 9 through threads, an upper moving rod 12 and a lower moving rod 13 which are slidably connected with the cleaning box are respectively arranged on the upper end surface and the lower end surface of the screw rod nut 11, spout seat 6 fixed connection and move down on pole 13, be provided with a plurality of spouts 14 on the medial surface of spouting seat 6, the left and right sides face of wasing case 2 is provided with a connecting pipe 15 respectively to the symmetry, spout and be connected through hose 16 between seat 6 and the connecting pipe 15, the other end of this connecting pipe 15 is provided with a three-way solenoid valve 17, the first interface and the water pump 5 delivery port of three-way solenoid valve 17 are linked together, the second interface intercommunication air compressor machine 4's of this three-way solenoid valve 17 gas outlet, a rivers export 18 has been seted up on wasing the bottom of case 2, the frame is located and is provided with a basin 19 under the rivers export, water pump 5 sets up on the left outside of frame 1 bottom, water pump 5 is connected with basin 19, still be provided with a turning device convenient for overturn the PCB. By adopting the structure, the spraying seat, the screw rod nut and other structures are arranged in the cleaning box, the spraying seat is respectively connected with the water pump and the air compressor through the three-way electromagnetic valve, namely, the control system controls the operation of the forward and reverse rotation speed reducing motor, the rotation of the output shaft of the forward and reverse rotation speed reducing motor drives the rotation of the first gear connected with the forward and reverse rotation speed reducing motor, so that the first gear is in threaded connection with the second gears positioned at two sides of the first gear, the second gear can drive the screw rod connected with the first gear to rotate, the screw rod drives the screw rod nut to move on the screw rod, thereby driving the spraying seat on the lower moving rod connected with the screw rod nut to move left and right, when the PCB needs to be washed, the control system controls the first interface of the three-way electromagnetic valve to be opened, the second interface to be closed, at the water in the water pump can flow into the spraying seat, in the moving process of the spray seat, water flow has certain impact force, so that the PCB positioned on the middle part of the cleaning box can be thoroughly cleaned, and the cleaning effect is good; when the PCB is dried after being washed, the control system controls the first interface of the three-way electromagnetic valve to be closed and the second interface to be opened, then the air in the air compressor can be circulated into the spraying seat at the moment, the nozzle on the spraying seat can blow and dry the PCB, the drying efficiency is dry, the workshop environment can be prevented from being wetted, and the safety accident can be avoided.

Further, the turnover device comprises an air cylinder 81, a movable rack 82, a limiting wheel 83, a rotating shaft 84 and a longitudinal plate 85, wherein the cylinder body of the air cylinder 81 is arranged on the rear side surface of the cleaning box 2, the tail part of a telescopic rod of the air cylinder 81 is fixedly connected with the movable rack 82, the movable rack is parallel to the rear side surface of the cleaning box, the limiting wheel 83 is rotatably connected to the cleaning box right above the movable rack 82, the rotating shaft 84 is rotatably connected to the cleaning box 2, a rotating gear 86 meshed and connected with the movable rack 82 is sleeved at the part of the rotating shaft 84 exposed out of the cleaning box 2, the longitudinal plate 85 is fixedly connected to the end part of the rotating shaft 84 far away from the rotating gear, an upper support plate 87 and a lower support plate 88 are fixedly connected to the top and the bottom of the longitudinal plate 85 respectively, a pressure lever 89 penetrates through the upper support plate 87, the bottom of the pressure lever 89 further fixedly connected with a pressure plate, a spring 811 is sleeved on the outer side surface of the pressing rod 89, and a pulling plate 812 is arranged at the top of the pressing rod 89. Adopt this structure, through the installation by the cylinder on wasing the case, remove the rack, the rotating gear, the turning device that closing plate etc. combine to constitute, place PCB board 24 under on extension board 88 earlier, loosen arm-tie 812, closing plate 810 can be with PCB board 24 more firm fixed under the effect of spring 811 under extension board 88, then control system 23 control cylinder 81 functions, cylinder 81 has driven the removal of removing rack 82, it can be connected with rotating gear 86 to remove rack 82, and then has driven the rotation of pivot 84, make PCB board 24 can rotate, thereby avoid thoroughly clean inadequately to the washing on PCB board 24 surface, and can not accomplish two-sided while and carry out abluent problem, the washing speed is fast.

Further, a filter screen 20 is disposed at the water outlet 18. With this structure, large particles can be filtered.

Further, a plurality of filter layers 21 are provided in the water tank 19. By adopting the structure, the sewage after cleaning can be filtered, so that the sewage can be reused.

Further, a door 22 is hinged to the front side of the cleaning tank 2.

Further, the screw thread on the screw rod on the left side of the cleaning box is opposite to the screw thread on the screw rod on the right side of the cleaning box in direction. By adopting the structure, the two spraying seats can be ensured to move in opposite directions or in opposite directions simultaneously, so that the PCB can be cleaned more thoroughly.

Further, the device also comprises a control system 23 which is respectively electrically connected with the water pump 5, the air compressor 4, the forward and reverse rotation speed reducing motor 3, the air cylinder 81 and the three-way electromagnetic valve 17.

It should be noted that the electrical components appearing in the present application are all connected with an external power supply, the air cylinder is connected with an external air source, and the control system adopts a structure in the prior art and is used for the operation of the water pump 5, the air compressor 4, the forward and reverse rotation speed reduction motor 3, the air cylinder 81 and the three-way electromagnetic valve 17.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a PCB board wash weathers device, includes frame (1), locates washing case (2) of frame top, its characterized in that: still include positive and negative speed motor (3), air compressor machine (4) and water pump (5) and spout seat (6), positive and negative speed motor (3) that changes pass through bolt locking on the top of wasing case (2), and the output shaft of this positive and negative speed motor (3) that changes stretches into and puts and washs the incasement, the cover is equipped with one first gear (7) on the afterbody of positive and negative speed motor (3) output shaft, it is connected with lead screw (9) of a horizontal setting to rotate respectively on the left and right sides in washing case (2), each all the cover is equipped with one second gear (10) of being connected with first gear (7) meshing on the afterbody of lead screw (9), each equal threaded connection has a screw-nut (11) on the middle part of lead screw (9), be provided with respectively on the up end of screw-nut (11), the lower terminal surface and wash case sliding connection's one go up move pole (12), The cleaning device comprises a lower moving rod (13), a spraying seat (6) is fixedly connected to the lower moving rod (13), a plurality of nozzles (14) are arranged on the inner side surface of the spraying seat (6), a connecting pipe (15) is symmetrically arranged on each of the left side surface and the right side surface of a cleaning box (2), the spraying seat (6) is connected with the connecting pipe (15) through a hose (16), a three-way electromagnetic valve (17) is arranged at the other end of the connecting pipe (15), a first interface of the three-way electromagnetic valve (17) is communicated with a water outlet of a water pump (5), a second interface of the three-way electromagnetic valve (17) is communicated with a gas outlet of an air compressor (4), a water outlet (18) is formed in the bottom of the cleaning box (2), a water tank (19) is arranged under the water outlet of the rack, and the water pump (5) is arranged on the left outer side of the bottom, the water pump (5) is connected with the water tank (19), and the cleaning box (2) is further provided with a turnover device which is convenient for turning over the PCB.

2. The PCB cleaning and drying device of claim 1, wherein: the turnover device comprises an air cylinder (81), a movable rack (82), a limiting wheel (83), a rotating shaft (84) and a longitudinal plate (85), wherein the cylinder body of the air cylinder (81) is arranged on the rear side surface of the cleaning box (2), the tail part of a telescopic rod of the air cylinder (81) is fixedly connected with the movable rack (82), the movable rack is parallel to the rear side surface of the cleaning box, the limiting wheel (83) is rotatably connected to the cleaning box right above the movable rack (82), the rotating shaft (84) is rotatably connected to the cleaning box (2), a rotating gear (86) meshed with the movable rack (82) is sleeved at the part, exposed out of the cleaning box (2), of the rotating shaft (84), the longitudinal plate (85) is fixedly connected to the end part, far away from the rotating gear, of the rotating shaft (84), of the top and the bottom of the longitudinal plate (85) are respectively and fixedly connected with an upper support plate (87) and a longitudinal plate (85), The pressing device comprises a lower support plate (88), a pressing rod (89) penetrates through the upper support plate (87), the bottom of the pressing rod (89) penetrates through the upper support plate and then is further fixedly connected with a pressing plate (810), a spring (811) is sleeved on the outer side surface of the pressing rod (89), and a pulling plate (812) is arranged at the top of the pressing rod (89).

3. The PCB cleaning and drying device of claim 1, wherein: a filter screen (20) is arranged at the water outlet (18).

4. The PCB cleaning and drying device of claim 1, wherein: a plurality of filter layers (21) are arranged in the water tank (19).

5. The PCB cleaning and drying device of claim 1, wherein: the front side surface of the cleaning box (2) is connected with a door body (22) through a hinge.

6. The PCB cleaning and drying device of claim 1, wherein: the screw thread on the screw rod on the left side of the cleaning box is opposite to the screw thread on the screw rod on the right side of the cleaning box.

7. The PCB cleaning and drying device of claim 1, wherein: the device also comprises a control system (23) which is respectively and electrically connected with the water pump (5), the air compressor (4), the forward and reverse rotation speed reducing motor (3), the air cylinder (81) and the three-way electromagnetic valve (17).