CN112654170B

CN112654170B - A washing and drying device for printed circuit board

Info

Publication number: CN112654170B
Application number: CN202011429267.4A
Authority: CN
Inventors: 陈玉节; 曹传源
Original assignee: Suzhou Hangjiayu Electronics Co ltd
Current assignee: Suzhou Hangjiayu Electronics Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2023-04-07
Anticipated expiration: 2040-12-09
Also published as: CN112654170A

Abstract

The invention discloses a cleaning and drying device for a printed circuit board, which comprises a cover plate and a bottom plate, wherein each corner of the upper surfaces of the cover plate and the bottom plate is provided with a through fixing groove, the top of the cover plate is provided with a fan and a liquid inlet pipe, the lower surface of the cover plate is provided with a heating pipe, the inner side of the heating pipe is provided with a plurality of heat insulation sleeves, the middle parts of the heat insulation sleeves are provided with through liquid outlet pipes, and the inside of the bottom plate is provided with an inner groove; this practicality is through heating pipe, fan and assorted auxiliary structure that sets up, can provide the clearance structure to printed wiring board when using, can guarantee when using, provide better cleaning means, collect alcohol after the washing, slightly heat and air-dry remaining alcohol again, provide faster higher efficiency, possess better operation, when clearing up the circuit board, can provide better clearance effect.

Description

A washing and drying device for printed circuit board

Technical Field

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

Background

Printed wiring boards are referred to as PCBs for short. The conductive patterns formed by making printed circuits, printed components or a combination of both on an insulating material according to a predetermined design are generally referred to as printed circuits. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. The finished board of the printed circuit or printed circuit is then referred to as a printed circuit board, also known as a printed circuit board or printed circuit board.

Printed wiring board need clear up the surface before the processing after production, generally adopt the mode of brush and alcohol to clear up, and there is certain problem in the washing stoving mode of current printed wiring board:

the existing printed circuit board is usually cleaned and dried by a simple brush and alcohol, and the method is troublesome to process and has certain use problems.

Disclosure of Invention

The invention aims to provide a cleaning and drying device for a printed circuit board, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wash drying device for printed circuit board, includes apron and bottom plate, the fixed slot that runs through is all seted up with each corner of the upper surface of bottom plate to the apron, fan and feed liquor pipe have been seted up at the top of apron, the heating pipe has been seted up to the lower surface of apron, a plurality of radiation shields have been seted up to the inboard of heating pipe, the drain pipe that runs through has been seted up to the middle part position of radiation shield, the inside groove has been seted up to the inside of bottom plate.

Preferably, the upper surface of the cover plate is provided with a fixing bolt penetrating through the cover plate and the bottom plate fixing groove.

Preferably, the heat-conducting plate that is the rectangle panel is seted up to the lower surface of heating pipe, the lower extreme of drain pipe runs through the lower surface of heat-conducting plate, the feed liquor pipe is the feed through state with a plurality of drain pipes.

Preferably, a plurality of fixing columns are further formed in the inner groove, and a liquid discharge pipe penetrating the inner groove on the inner side of the bottom plate is formed in one side of the bottom plate.

Preferably, the heat insulation sleeve is made of asbestos materials, the heat conduction plate is made of metal materials, and the cover plate and the bottom plate are made of glass fiber materials.

Preferably, the inner wall of the bottom plate positioned in the inner groove is welded with a sealing cover attached to the bottom plate, and the liquid discharge pipe also penetrates through the inner wall of the sealing cover.

Compared with the prior art, the invention has the beneficial effects that:

through heating pipe, fan and assorted auxiliary structure that sets up, can provide the clearance structure to printed wiring board when using, can guarantee when using, provide better cleaning means, collect alcohol after the washing, slightly heat and air-dry remaining alcohol again, provide faster higher efficiency, possess better operation, when clearing up the circuit board, can provide better clearance effect, possess certain beneficial effect.

Drawings

FIG. 1 is a bottom view of the cover plate of the present invention;

FIG. 2 is a top view of the cover plate of the present invention;

FIG. 3 is a top view of the base plate of the present invention;

fig. 4 is a front view of the present invention.

In the figure: 10. a cover plate; 11. fixing the bolt; 12. a fan; 13. a liquid inlet pipe; 14. heating a tube; 15. a heat conducting plate; 16. a heat insulation sleeve; 17. a liquid outlet pipe; 20. a base plate; 21. fixing grooves; 22. an inner tank; 23. fixing the column; 24. and a liquid discharge pipe.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, a cleaning and drying device for printed circuit boards includes a cover plate 10 and a bottom plate 20, wherein each corner of the upper surfaces of the cover plate 10 and the bottom plate 20 is provided with a through fixing groove 21, the top of the cover plate 10 is provided with a fan 12 and a liquid inlet pipe 13, the lower surface of the cover plate 10 is provided with a heating pipe 14, the inner side of the heating pipe 14 is provided with a plurality of heat insulation sleeves 16, the middle position of each heat insulation sleeve 16 is provided with a through liquid outlet pipe 17, and the bottom plate 20 is provided with an inner groove 22.

The upper surface of the cover plate 10 is provided with a fixing bolt 11 penetrating through a fixing groove 21 of the cover plate 10 and the bottom plate 20 for fixing the cover plate 10 and the bottom plate 20; the lower surface of the heating pipe 14 is provided with a heat conducting plate 15 which is a rectangular panel, the lower end of the liquid outlet pipe 17 penetrates through the lower surface of the heat conducting plate 15, the liquid inlet pipe 13 is communicated with the liquid outlet pipes 17, the inner part of the inner groove 22 is also provided with a plurality of fixing columns 23, one side of the bottom plate 20 is provided with a liquid discharge pipe 24 which penetrates through the inner part of the inner groove 22 at the inner side of the bottom plate 20, liquid is fed through the liquid inlet pipe 13, the liquid is sprayed out from the liquid outlet pipes 17, and finally the liquid is accumulated at the bottom of the inner groove 22 and is discharged and collected through the liquid discharge pipe 24, so that the liquid can be reused; the material of radiation shield 16 is the asbestos material, protects drain pipe 17, avoids long-pending heat to cause the damage to drain pipe 17, the material of heat-conducting plate 15 is metal material, the material of apron 10 and bottom plate 20 is glass fiber material, the inner wall welding that bottom plate 20 is located inside groove 22 has the sealed cowling with the laminating of bottom plate 20, fluid-discharge tube 24 still runs through the inner wall of sealed cowling, provides inside seal structure, avoids alcohol infiltration to glass fiber's inside.

The working principle is as follows: when the PCB cleaning machine is used, the PCB is fixed on the fixing column through screws, then the cover plate 10 is covered, industrial alcohol is introduced through the liquid inlet pipe 13, the alcohol is sprayed on the surface of the PCB from the liquid outlet pipe 17 for direct washing, the mixed waste liquid is accumulated at the bottom of the inner groove 22 and is discharged through the liquid discharge pipe 24, then the power supply of the heating pipe 14 and the fan 12 is turned on, the surface of the PCB is dried by soft hot air until the PCB is completely clean, and then the PCB can be detached.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wash drying device for printed circuit board, includes apron (10) and bottom plate (20), its characterized in that: the heat insulation structure is characterized in that each corner of the upper surfaces of the cover plate (10) and the bottom plate (20) is provided with a through fixing groove (21), the top of the cover plate (10) is provided with a fan (12) and a liquid inlet pipe (13), the lower surface of the cover plate (10) is provided with a heating pipe (14), the inner side of the heating pipe (14) is provided with a plurality of heat insulation sleeves (16), the middle of each heat insulation sleeve (16) is provided with a through liquid outlet pipe (17), and the bottom plate (20) is internally provided with an inner groove (22);

the upper surface of the cover plate (10) is provided with a fixing bolt (11) which penetrates through the cover plate (10) and a fixing groove (21) of the bottom plate (20);

heat-conducting plate (15) that are the rectangle panel are seted up to the lower surface of heating pipe (14), the lower extreme of drain pipe (17) runs through the lower surface of heat-conducting plate (15), feed liquor pipe (13) are the connected state with a plurality of drain pipes (17).

2. The cleaning and drying device for the printed circuit board according to claim 1, wherein: the inner groove (22) is also internally provided with a plurality of fixing columns (23), and one side of the bottom plate (20) is provided with a liquid discharge pipe (24) penetrating into the inner groove (22) on the inner side of the bottom plate (20).

3. The cleaning and drying device for the printed circuit board according to claim 2, characterized in that: the heat insulation sleeve (16) is made of asbestos materials, the heat conduction plate (15) is made of metal materials, and the cover plate (10) and the base plate (20) are made of glass fiber materials.

4. A cleaning and drying apparatus for printed circuit boards according to claim 3, wherein: the inner wall of the bottom plate (20) positioned in the inner groove (22) is welded with a sealing cover attached to the bottom plate (20), and the liquid discharge pipe (24) also penetrates through the inner wall of the sealing cover.