CN210491357U

CN210491357U - Black hole liquid medicine anti-foaming box structure

Info

Publication number: CN210491357U
Application number: CN201920155914.3U
Authority: CN
Inventors: 闫文生
Original assignee: Guangzhou Julong Pcb Equipment Co ltd
Current assignee: Guangzhou Julong Pcb Equipment Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-05-08
Anticipated expiration: 2029-01-29

Abstract

The utility model provides a black hole liquid medicine anti-bubble box structure, including the water bed body, the water bed body divide into water bed and lower water bed through the water bed baffle, the water bed is equipped with delivery roller and sprays the water sword, delivery roller is used for driving the printed wiring board and advances, it sets up the route of advancing at the printed wiring board to spray the water sword, delivery roller includes solid water retaining roller, solid water retaining roller sets up on the baffle of the both sides of water bed, lower water bed is used for holding the liquid medicine, the bottom of lower water bed is equipped with spray piping, spray piping connection sprays the water sword, be equipped with on the spray piping and spray the circulating pump and spray the governing valve, every sprays the water sword and all disposes a spray governing valve, the backflow pipeline is worn to be equipped with by the water bed baffle, backflow pipeline intercommunication water bed and lower water bed, be equipped with the flow control valve on. The problem of excessive foam that present black hole liquid medicine meets has been effectually solved, the yield of black hole technology product has been improved. Can effectively reduce the foam generated by the liquid medicine, thereby prolonging the service life of the liquid medicine.

Description

Black hole liquid medicine anti-foaming box structure

Technical Field

The utility model relates to a black hole process in printed wiring board wet process trade is mainly applied to black hole liquid medicine anti-bubble box structure has.

Background

The black hole direct electroplating technology is a new process for replacing chemical copper plating. It uses black solution composed of fine carbon black or graphite with very strong electric conductivity, and is called black pore liquid medicine. The method has the characteristics of simplifying the process of metallizing the holes, saving working hours, reducing material consumption, effectively controlling the discharge amount of waste water and reducing the production cost of the printed board. The black hole liquid medicine has good stability, and no hydrogen is separated out in the adsorption process of the copper-clad plate after the through holes are finished.

However, the conventional black hole process has the following disadvantages: 1. through common spraying and hole filling, the black hole liquid medicine has the property of easily generating bubbles, and the hole plating quality is influenced; 2. in the conventional black hole spraying circulation, because the liquid naturally flows back from high to low, a potential difference exists, and a large amount of foam is generated in the process of striking the liquid surface from top to bottom. Due to the generation of foam, carbon-based molecules are attached to part of the hole wall of the PCB in the hole plating process, so that the hole plating quality is unqualified.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a black hole liquid medicine anti-bubble box structure.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a black hole liquid medicine prevents bubble box structure, includes the water bed body, the water bed body divide into water bed and lower water bed through the water bed baffle, the water bed that goes up is provided with delivery roller and sprays the water sword, delivery roller is used for driving the printed wiring board and gos forward, it sets up the route of advancing at the printed wiring board to spray the water sword, delivery roller includes solid manger plate roller, and solid manger plate roller sets up on the baffle of the both sides of water bed, lower water bed is used for holding the liquid medicine, and the bottom of lower water bed is provided with spray piping, spray piping connection sprays the water sword, be provided with on the spray piping and spray the circulating pump and spray the governing valve, every sprays the water sword and all disposes one and sprays the governing valve, backflow pipeline is worn to be equipped with by the water bed baffle, and backflow pipeline intercommunication water bed and lower water bed, be provided with the flow regulating valve on.

Furthermore, an overflow groove is arranged on the outer side of the water bed body and is communicated with the upper water bed and the lower water bed.

Furthermore, a plurality of overflow side plates are arranged in the overflow groove, the overflow side plates are obliquely arranged in a staggered mode, and the first overflow side plate is arranged on one side of the solid water retaining roller.

Further, the lower end of the backflow pipeline is immersed below the liquid level of the liquid medicine.

Further, the spraying water knife comprises a spraying upper water knife positioned above the advancing path of the printed circuit board and a spraying lower water knife positioned below the advancing path of the printed circuit board.

Furthermore, a spraying filter is further arranged on the spraying pipeline.

The utility model has the advantages that:

by adopting the technical scheme, the backflow of the water bed has no drop height, the backflow of the liquid medicine is very slow, and only the liquid flows on the water bed to renew the liquid medicine; the foam can not be seen completely, the problem of excessive foam in the conventional black hole liquid medicine is effectively solved, and the yield of black hole technical products is improved. Can effectively reduce the foam generated by the liquid medicine, thereby prolonging the service life of the liquid medicine.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the black hole liquid medicine anti-foaming box structure of the utility model.

Reference numerals: 1. a conveying roller; 2. printing a circuit board; 3. a solid water-retaining roller; 4. a water bed baffle; 5. a water bed body; 6. a flow regulating valve; 7. an overflow side plate; 8. a spray circulation pump; 9. spraying a filter; 10. spraying a regulating valve; 11. spraying a water discharging knife; 12. spraying a water feeding knife; 13. and (5) liquid medicine.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, a black hole liquid medicine anti-bubble box structure, including water bed body 5, water bed body 5 divide into upper water bed and lower water bed through water bed baffle 4, the upper water bed is provided with delivery roller 1 and sprays the water sword, delivery roller 1 is used for driving printed wiring board 2 and gos forward, the route of advancing at printed wiring board 2 is arranged to the spraying water sword, delivery roller 1 includes solid manger roll 3, solid manger roll 3 sets up on the baffle of the both sides of upper water bed, the lower water bed is used for holding liquid medicine 13, the bottom of lower water bed is provided with the shower pipe, the shower pipe connection sprays the water sword, be provided with on the shower pipe and spray circulating pump 8 and spray governing valve 10, every sprays governing valve 10, water bed baffle 4 wears to be equipped with the backward flow pipeline, the backward flow pipeline communicates upper water bed and lower water bed, be provided with flow regulating valve 6 on the backward flow pipeline.

As a preferred technical scheme, an overflow trough is arranged on the outer side of the water bed body 5 and is communicated with the upper water bed and the lower water bed.

As a preferred technical scheme, a plurality of overflow side plates 7 are arranged in the overflow groove, the overflow side plates 7 are arranged in a staggered and inclined mode, and the first overflow side plate 7 is arranged on one side of the solid water retaining roller 3.

Preferably, the lower end of the return line is immersed below the liquid level of the chemical liquid 13.

As a preferable technical solution, the shower water knife includes an upper water knife 11 located above the advancing path of the printed wiring board 2 and a lower water knife 12 located below.

As a preferable technical scheme, a spray filter 9 is further arranged on the spray pipeline.

In the black hole liquid medicine anti-foaming box body structure, the water bed body 5 comprises an upper part and a lower part. The upper part of the water bed body 5 is internally provided with a solid water retaining roller 3, a spraying water discharging knife 11, a spraying water feeding knife 12 and a water bed system consisting of a water bed partition plate 4 and a partition plate on the side surface; the lower part forms a closed water bed through a partition plate on the side surface and a bottom plate at the bottom, and the upper water bed and the lower water bed are tightly connected with a pipeline through a spraying circulating pump 8, a spraying filter 9, a spraying adjusting valve 10, a spraying lower water knife 11 and a spraying upper water knife 12 to form a spraying circulating system.

The upper and lower water beds are also connected with a flow regulating valve 6 through a pipeline, the tail end of the pipeline connecting the flow regulating valve 6 and the lower water bed is immersed below the liquid level of the lower water bed, and the flow of the fluid in the water bed can be kept balanced by regulating the flow regulating valve 6. Meanwhile, overflow side plates 7 are arranged on two sides of the box body, and the overflow side plates 7 are arranged in an up-and-down separated mode. The upper overflow side plate 7 inclines towards the outside of the water bed body 5, the lower overflow side plate 7 inclines towards the middle of the water bed body 5, and the two overflow side plates 7 are distributed up and down.

In the production process, the spraying circulating pump 8 pumps out the liquid medicine from the lower part of the water bed body 5, and the liquid medicine is sprayed into the water bed from the spraying water discharging knife 11 and the spraying water feeding knife 12, and the liquid medicine in the water bed overflows through the solid water blocking rollers 3 at the two ends after being filled. In the process of overflowing, the liquid medicine firstly falls on the upper overflow side plate 7, then flows to the lower overflow side plate 7 and finally is injected into the lower part of the water bed body 5. In the process, the flow of the water bed liquid medicine can be adjusted through the flow adjusting valve 6, so that the water bed liquid medicine is balanced. Because the flow regulating valve 6 is connected with the tail end of the lower water tank pipeline and is immersed below the liquid level of the lower water tank, the generation of foam caused by splashing of the liquid medicine is effectively avoided.

The utility model adopts a design method of subsection alternation, on one hand, the flow of the liquid medicine in the water bed is kept balanced by adjusting the flow adjusting valve 6; on the other hand, the overflow plate is designed in an inclined mode, so that the impact of overflowing liquid medicine is reduced, and the generation of foam is reduced.

The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.

Claims

1. The utility model provides a black hole liquid medicine prevents bubble box structure which characterized in that: comprises a water bed body (5), the water bed body (5) is divided into a water feeding bed and a water discharging bed through a water bed partition plate (4), the water feeding bed is provided with a conveying roller (1) and a spraying water knife, the conveying roller (1) is used for driving a printed circuit board (2) to advance, the spraying water knife is arranged on the advancing path of the printed circuit board (2), the conveying roller (1) comprises a solid water blocking roller (3), the solid water blocking roller (3) is arranged on the partition plates on two sides of the water feeding bed, the water discharging bed is used for containing liquid medicine (13), the bottom of the water discharging bed is provided with a spraying pipeline, the spraying pipeline is connected with the spraying water knife, the spraying pipeline is provided with a spraying circulating pump (8) and a spraying regulating valve (10), each spraying water knife is provided with one spraying regulating valve (10), the water bed partition plate (4) is penetrated by a backflow pipeline, and the backflow pipeline is communicated with the water feeding bed and the water, and the backflow pipeline is provided with a flow regulating valve (6).

2. The black hole liquid medicine anti-foaming box body structure of claim 1, wherein: an overflow groove is arranged on the outer side of the water bed body (5) and is communicated with the upper water bed and the lower water bed.

3. The black hole liquid medicine anti-foaming box body structure of claim 2, wherein: a plurality of overflow side plates (7) are arranged in the overflow groove, the overflow side plates (7) are obliquely arranged in a staggered mode, and the first overflow side plate (7) is arranged on one side of the solid water retaining roller (3).

4. The black hole liquid medicine anti-foaming box body structure of claim 1, wherein: the lower end of the return pipeline is immersed below the liquid level of the liquid medicine (13).

5. The black hole liquid medicine anti-foaming box body structure of claim 1, wherein: the spraying water knife comprises a spraying upper water knife (11) positioned above the advancing path of the printed circuit board (2) and a spraying lower water knife (12) positioned below the advancing path of the printed circuit board.

6. The black hole liquid medicine anti-foaming box body structure of claim 1, wherein: and a spray filter (9) is also arranged on the spray pipeline.