CN210899872U - PCB circuit board cleaning and circulating system - Google Patents

Abstract

A PCB circuit board cleaning circulation system comprises a board cleaning liquid pool, a liquid inlet pipe, a high-pressure pump, a pressure gauge, a cleaning unit, a liquid discharge pipe, a liquid discharge valve, a purification unit and a circulation liquid return pipe, wherein the board cleaning liquid pool is communicated with the cleaning unit through the liquid inlet pipe, the high-pressure pump and the pressure gauge are arranged on the liquid inlet pipe, the cleaning unit is communicated with the purification unit through the liquid discharge pipe, a liquid discharge valve is arranged on the liquid discharge pipe, the purification unit is communicated with the plate washing liquid pool through a circulating liquid pipe, the cleaning unit comprises a cleaning pool, a cleaning high-pressure pump, a spray cleaning plate and a filtering bottom box, the spray cleaning plate is arranged behind the cleaning high-pressure pump, the spray washing plate is provided with a nozzle with a trapezoidal section, the filtering bottom box is arranged at the rear part of the spray washing plate, the upper panel of the filtering bottom box is provided with a particle through hole, the upper end surface of the filtering bottom box is provided with limiting clamping blocks, and the PCB is fixedly inserted between the limiting clamping blocks. The utility model discloses simple structure guarantees the cleaning performance of PCB circuit board, improves the utilization ratio in cleaning solution source.

Description

PCB circuit board cleaning and circulating system

The technical field is as follows:

the utility model belongs to the technical field of the production of the PCB circuit board, especially, relate to a PCB circuit board washs circulation system.

Background art:

the PCB is an important electronic device, and is a support body and a carrier for connecting electric components. The PCB is a core component of the electronic device, and takes charge of information processing, power transmission and safety protection, so the operation state of the PCB has an important influence on the operation of the electronic components. The etching is an important link in the manufacturing process of the circuit board, the specific process comprises the links of film coating, film removing, etching, water washing and the like, after the etching process is carried out on the circuit board, etching liquid is adhered to the surface of the PCB circuit board, adverse effects can be caused on subsequent PCB circuit board manufacturing, in the manufacturing process of the PCB circuit board, the PCB circuit board is easily polluted by fine sundries or dust and the like, and the quality of a product can be directly influenced if the PCB circuit board is not cleaned completely, so that the timely cleaning of the PCB circuit board is particularly important.

Because the PCB circuit board usually has electronic components, therefore unsuitable to wash with water, and use special plate washing liquid to wash, PCB circuit board washs and can produce a large amount of highly polluted etching waste water, and the pollution of etching waste water to the environment is the ubiquitous problem in the PCB circuit board, especially the use of ammonia-soda etching liquid. At present, the circuit board is generally cleaned manually, the cleaning method has great harm to the health of workers, the cleaning efficiency is low, and the cleaning effect is difficult to ensure; on the other hand, the cleaning liquid with large granular pollutants is directly discharged, which causes huge environmental pollution, and has troublesome sewage treatment and high treatment cost.

Based on this, the utility model designs a PCB circuit board washs circulation system to solve above-mentioned problem.

The utility model has the following contents:

an object of the utility model is to provide a PCB circuit board washs circulation system need not the manual work and washs the PCB circuit board, and the cleaning efficiency is high, and the washing liquid can carry out effectual cyclic utilization, washs with low costsly, and large granule pollutant separates with the washing liquid in the cleaning process, and later stage sewage treatment is simple convenient, greatly reduced sewage treatment cost.

The utility model adopts the following technical scheme:

the utility model provides a PCB circuit board washs circulation system which characterized by: the cleaning unit comprises a cleaning pool, a liquid inlet pipe, a high-pressure pump, a pressure gauge, a cleaning unit, a liquid discharge pipe, a liquid discharge valve, a purification unit and a circulating liquid return pipe, wherein the cleaning pool is communicated with the cleaning unit through the liquid inlet pipe, the high-pressure pump and the pressure gauge are arranged on the liquid inlet pipe between the cleaning pool and the cleaning unit, the cleaning unit is communicated with the purification unit through the liquid discharge pipe, the liquid discharge valve is arranged on the liquid discharge pipe, the purification unit is communicated with the cleaning pool through the circulating liquid return pipe, the high-pressure pump is arranged on the circulating liquid return pipe, the cleaning unit comprises a cleaning pool, a cleaning high-pressure pump, a spray plate and a filter bottom box, the cleaning high-pressure pump, the spray plate and the filter bottom box are arranged in the cleaning pool, the cleaning pool is communicated with the cleaning high-pressure pump through the liquid inlet pipe, the spray plate is arranged behind the cleaning high-pressure pump, the spray plate is provided with a nozzle hole with a trapezoidal cross section, and the large head end, the bottom of wasing the pond is placed to the filtration bottom case, the setting of filtration bottom case is at the rear of spraying and washing board, the closed box that the top surface can be opened is filtered the bottom case, it has a plurality of particulate matter through-holes to open on the top panel of filtration bottom case, equidistant a plurality of spacing fixture blocks that are provided with of filtration bottom case up end, distance between the spacing fixture block is corresponding with the thickness of PCB circuit board, the fixed cartridge of PCB circuit board is between spacing fixture block, the PCB circuit board that the cartridge is good is perpendicular with the spraying and washing board, the height of the PCB circuit board of cartridge on the filtration bottom case that highly more than or equal to of the highest nozzle hole on the spraying and washing board, the purification unit is the purification tank of.

Further, the aperture of the particulate matter through hole is 0.5-5 mm.

Furthermore, a cleaning unit and a purifying unit are sequentially added between the purifying unit and the cleaning liquid pool.

Further, a filtering hole is formed in the side panel of the filtering bottom box, and the aperture of the filtering hole is 1-2 mm.

Furthermore, a plurality of particle through holes are arranged on the upper panel of the filtering bottom box at equal intervals in the transverse direction and the longitudinal direction.

Further, the aperture of the particulate matter through hole is 3 mm.

Furthermore, the limiting clamping block consists of a base and a side separator.

The utility model has the advantages that: place the PCB circuit board in the cleaning tank, take out the washing liquid in cleaning solution pond to the cleaning tank by the high-pressure pump, spout by the washing high-pressure pump in the cleaning tank again, it spouts the washing board to wash to be provided with between high-pressure pump and the PCB circuit board, it is trapezoidal nozzle to be provided with the cross sectional shape on the washing board, the big head end setting of nozzle is at the side of wasing the high-pressure pump, wash high-pressure pump spun washing liquid like this and spout trapezoidal nozzle secondary pressurization on the washing board, thereby spout the PCB circuit board, the manual cleaning operation that carries out the circuit board of manual work has been stopped, avoid the washing liquid to workman's health hazard, the cleaning efficiency is high, and the sanitization, guarantee the cleaning performance. Set up the purification unit behind the cleaning unit, the purification unit purifies the etching waste water that has washd the high pollution of PCB circuit board for but the cyclic utilization of the etching waste water who has washd improves the utilization ratio of washing liquid, and the water economy resource reduces the cleaning cost. The filter bottom case has been placed to washing bottom of the pool portion, and the debris of large granule can be taken out the clearance after having washed in flowing into the filter bottom case when wasing, and one avoids large granule debris to get into the clarifier and causes the injury to the clarifier, and two can not cause environmental pollution because of the discharge of large granule pollutants, reduction sewage treatment cost. The utility model discloses simple structure, convenient operation guarantees the cleaning performance of PCB circuit board, has improved and has washd speed and cleaning quality, has realized the utilization ratio at washing water source, avoids causing the waste, greatly reduced the washing cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a PCB mounted on a filter bottom case;

FIG. 3 is a top view of the filter bottom box;

in the figure: 1-a cleaning liquid pool; 2-liquid inlet pipe; 3-a high pressure pump; 4-a pressure gauge; 5-a cleaning unit; 6-a liquid discharge pipe; 7-a drain valve; 8-a purification unit; 9-a circulating liquid pipe; 10-a PCB circuit board; 51-a cleaning pool; 52-cleaning the high-pressure pump; 53-spray washing plate; 54-filter bottom box; 55-a nozzle; 56-particulate through holes; 57-limiting clamping blocks; 58-filtration pores.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to embodiments shown in the drawings.

A PCB circuit board cleaning circulation system comprises a cleaning liquid pool 1, a liquid inlet pipe 2, a high-pressure pump 3, a pressure gauge 4, a cleaning unit 5, a liquid discharge pipe 6, a liquid discharge valve 7, a purification unit 8 and a circulation liquid return pipe 9, wherein the cleaning liquid pool 1 is communicated with the cleaning unit 5 through the liquid inlet pipe 2, the high-pressure pump 3 and the pressure gauge 4 are arranged on the liquid inlet pipe 2 between the cleaning liquid pool 1 and the cleaning unit 5, the cleaning unit 5 is communicated with the purification unit 8 through the liquid discharge pipe 6, the liquid discharge pipe 6 is provided with the liquid discharge valve 7, the purification unit 8 is communicated with the cleaning liquid pool 1 through the circulation liquid pipe 9, the high-pressure pump 3 is arranged on the circulation liquid pipe 9, the cleaning unit 5 comprises a cleaning pool 51, a cleaning high-pressure pump 52, a spray plate 53 and a filtering bottom box 54, the cleaning high-pressure pump 52, the spray plate 53 and the filtering bottom box 54 are arranged in the cleaning pool 51, the cleaning liquid tank 1 is communicated with the cleaning high-pressure pump 52 through a liquid inlet pipe 2, the spray cleaning plate 53 is arranged behind the cleaning high-pressure pump 52, a nozzle hole 55 with a trapezoidal section shape is arranged on the spray cleaning plate 53, the large end of the nozzle hole 55 is arranged on one side surface close to the cleaning high-pressure pump 52, the filtering bottom box 54 is arranged at the bottom of the cleaning tank 51, the filtering bottom box 54 is arranged behind the spray cleaning plate 53, the filtering bottom box 54 is a closed box body with an openable top surface, a plurality of particulate matter through holes 56 are formed in the upper panel of the filtering bottom box 54, the aperture of the particulate matter through holes 56 is 0.5-5 mm, a filtering hole 58 is formed in the side panel of the filtering bottom box 54, the aperture of the filtering hole 58 is 1-2 mm, a plurality of limiting fixture blocks 57 are arranged on the upper end surface of the filtering bottom box 54 at equal intervals, the limiting fixture blocks 57 are composed of a base and a side surface separator, and the distance between the limiting fixture blocks 57 corresponds to the, the PCB circuit board 10 is fixedly inserted between the limiting fixture blocks 57, the inserted PCB circuit board 10 is vertical to the spray plate 53, the height of the highest nozzle hole 55 on the spray plate 53 is more than or equal to the height of the PCB circuit board 10 inserted on the filtering bottom box 54, and the purifying unit 8 is a purifying tank provided with a purifier.

Example 2: on the basis of embodiment 1, a plurality of purification units 8 and cleaning solution pools 1 are connected in series, and the number of the circulating cleaning units 5 and the purification units 8 is increased, so that the utilization rate of the cleaning solution is improved.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

It should be noted that, for those skilled in the art, all the proposed technical solutions with the same functions provided under the principle of the present invention all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a PCB circuit board washs circulation system which characterized by: including washing liquid pond (1), feed liquor pipe (2), high-pressure pump (3), manometer (4), cleaning unit (5), fluid-discharge tube (6), flowing back valve (7), purification unit (8) and circulation return liquid pipe (9), washing liquid pond (1) is through feed liquor pipe (2) and cleaning unit (5) communicate with each other, high-pressure pump (3) and manometer (4) set up on feed liquor pipe (2) between washing liquid pond (1) and cleaning unit (5), cleaning unit (5) communicate with each other with purification unit (8) through fluid-discharge tube (6), be provided with flowing back valve (7) on fluid-discharge tube (6), purification unit (8) return liquid pipe (9) through the circulation and communicate with washing liquid pond (1) mutually, be provided with high-pressure pump (3) on circulation return liquid pipe (9), cleaning unit (5) are including washing pond (51), wash high-pressure pump (52), A spraying and washing plate (53) and a filtering bottom box (54), wherein the washing high-pressure pump (52), the spraying and washing plate (53) and the filtering bottom box (54) are arranged in a washing pool (51), the washing liquid pool (1) is communicated with the washing high-pressure pump (52) through a liquid inlet pipe (2), the spraying and washing plate (53) is arranged behind the washing high-pressure pump (52), a nozzle hole (55) with a trapezoidal section is arranged on the spraying and washing plate (53), the large head end of the nozzle hole (55) is arranged on one side surface close to the washing high-pressure pump (52), the filtering bottom box (54) is arranged at the bottom of the washing pool (51), the filtering bottom box (54) is arranged behind the spraying and washing plate (53), the filtering bottom box (54) is a closed box body with an openable top surface, a plurality of particulate matter through holes (56) are formed in the upper panel of the filtering bottom box (54), a plurality of limiting fixture blocks (57) are arranged on the upper end surface of the filtering bottom box (54) at equal intervals, the distance between the limiting clamping blocks (57) corresponds to the thickness of the PCB (printed circuit board) 10, the PCB (printed circuit board) 10 is fixedly inserted between the limiting clamping blocks (57), the inserted PCB (printed circuit board) 10 is vertical to the spray washing plate 53, the height of the highest nozzle hole (55) on the spray washing plate 53 is larger than or equal to the height of the PCB (printed circuit board) 10 inserted on the filtering bottom box (54), and the purifying unit (8) is a purifying tank provided with a purifier.

2. A PCB board cleaning cycle system as set forth in claim 1, wherein: more than two cleaning units (5) and purification units (8) are connected in series in the cleaning process.

3. A PCB board cleaning cycle system as set forth in claim 1, wherein: a plurality of particle through holes (56) are arranged on the upper panel of the filtering bottom box (54) at equal intervals in the transverse direction and the longitudinal direction.

4. A PCB board cleaning cycle system as set forth in claim 1, wherein: the aperture of the particulate matter through hole (56) is 0.5-5 mm.

5. A PCB board cleaning cycle system as set forth in claim 1, wherein: the side panel of the filtering bottom box (54) is provided with a filtering hole (58), and the aperture of the filtering hole (58) is 1-2 mm.

6. A PCB board cleaning cycle system as set forth in claim 2, wherein: the aperture of the particulate matter through hole (56) is 3 mm.

7. A PCB board cleaning cycle system as set forth in claim 1, wherein: the limiting clamping block (57) consists of a base and a side surface separator.

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