CN218332288U - Developer solution distribution tank with filtering device - Google Patents

Abstract

The utility model relates to a developing solution preparation tank with a filtering device, which is sequentially provided with a primary bath tank, and comprises a water inlet and a feeding port, wherein the feeding port is used for adding sodium carbonate; a first filter screen is arranged on one side, close to the throwing port, of the cavity of the primary bath tank; an output port is arranged at the bottom of the cavity of the primary bath tank; firstly, mixing high-concentration sodium carbonate through a primary bath building tank, and filtering large-particle impurities; the secondary bath building tank comprises an input port, the input port is communicated with the input port through a liquid medicine conveying pipe, the liquid medicine conveying pipe is connected with a water suction pump, and the water suction pump is used for pumping liquid from the primary bath building tank into the secondary bath building tank; wherein, a second filter screen is also arranged in the secondary bath building tank; still be provided with the stirring rake in the cavity of second grade bath of building, the pivot of stirring rake passes the setting of second filter screen, and the paddle of stirring rake is located the one side that the input port was kept away from to the second filter screen, utilizes the second filter screen to filter more subtle impurity, utilizes the stirring rake intensive mixing even simultaneously.

Description

Developer solution distribution tank with filtering device

Technical Field

The utility model relates to a developer solution join in marriage groove technical field that PCB production used especially relates to a developer solution join in marriage groove with filter equipment.

Background

In the production process of a Printed Circuit Board (PCB), pattern transfer is a key control point for manufacturing a circuit board, particularly a high-density multilayer board, and is also a technical difficulty, and the quality of the pattern transfer directly influences the qualification rate of the PCB. In the process of pattern transfer, development is an important step in the process of pattern transfer, development is an important process directly connected with the next process, and the quality is an important mark for the success or failure of the whole pattern transfer. In the developing process, the developing solution directly influences the quality of the circuit pattern, so that the cleanness of the developing solution is very important to keep.

The traditional developing process generally comprises three steps of configuring and synchronously filtering a bath under construction, and injecting the filtered developing solution into a developing cylinder, wherein the bath under construction is usually fixed, the generated slag body has more impurities, a filter layer needs to be detached and replaced every time the bath is used for a period of time, and the operation is complicated; and the filtering equipment is directly arranged in the building bath, so that sodium carbonate particles and impurity particles are difficult to effectively distinguish during configuration, the labor intensity is increased, and the production efficiency is reduced. In the prior art, the document with application number 201620625744.7 discloses a developer filtering device, which comprises a filtering cylinder body and a developing cylinder body, wherein the filtering cylinder body is communicated with the developing cylinder body, the filtering cylinder body comprises a filtering chamber and a cleaning chamber which are separated from each other, the filtering chamber is positioned at the bottom of the filtering cylinder body, the cleaning chamber is positioned at the top of the filtering cylinder body, the filtering cylinder body further comprises a filtering net and a conveying track for conveying the filtering net between the filtering chamber and the cleaning chamber; although it carries out filtration cycle through multi-stage filtration, reduces the too much problem of single-deck filter screen deposit impurity, but nevertheless can't reach effective stirring effect to the mixing homogeneity of sodium carbonate and water, consequently need one kind can enough reach hierarchical filtration, can effectively stir intensive mixing even device again.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that the prior lamp in the technology can not be freely fixed on microscope bases of different models and can not be compatible with the function of an object stage; provides a technical scheme for solving the problem.

In order to achieve the above object, the utility model provides a developing solution join in marriage groove with filter equipment has set gradually along the liquid flow direction:

the primary building bath comprises a water inlet and a throwing port, wherein the throwing port is used for adding sodium carbonate; a first filter screen is arranged on one side, close to the throwing port, of the cavity of the primary bath tank; an output port is formed in the bottom of the cavity of the primary bath building tank;

the secondary bath building groove comprises an input port, the input port is communicated with the input port through a liquid medicine conveying pipe, the liquid medicine conveying pipe is connected with a water suction pump, and the water suction pump is used for sucking liquid from the primary bath building groove into the secondary bath building groove; wherein a second filter screen is also arranged in the secondary building bath tank; still be provided with the stirring rake in the cavity of bath is built to the second grade, the rotation axis of stirring rake passes the second filter screen sets up, the paddle of stirring rake is located the second filter screen is kept away from one side of input port.

Preferably, the level of the input port of the secondary building bath is higher than that of the input port of the primary building bath; the capacity of the secondary building bath tank is larger than that of the primary building bath tank.

Preferably, the second filter screen is of a wave-shaped structure, and a rotating shaft of the stirring paddle penetrates through the positions of wave crests of the second filter screen.

Preferably, including two the stirring rake, the input port is located between two stirring rakes, just the input port is provided with the groove of keeping in, the groove of keeping in is located the second filter screen with between the input port, be provided with a plurality of through-holes on the groove of keeping in.

Preferably, the second screen has a smaller pore size than the first screen.

The utility model has the advantages that: the utility model discloses a developing solution preparation tank with a filtering device, which is provided with a primary bath tank in sequence along the flow direction of liquid, and comprises a water inlet and a feeding port, wherein the feeding port is used for adding sodium carbonate; a first filter screen is arranged on one side, close to the throwing opening, of the cavity of the primary building bath tank; an output port is arranged at the bottom of the cavity of the primary bath tank; firstly, mixing of high-concentration sodium carbonate is realized through a primary bath building tank, and large-particle impurities can be filtered out firstly; then, a certain gravitational potential energy is provided by pumping into a secondary building bath tank, the secondary building bath tank comprises an input port, the input port is communicated with the input port through a liquid medicine conveying pipe, the liquid medicine conveying pipe is connected with a water suction pump, and the water suction pump is used for pumping liquid into the secondary building bath tank from the primary building bath tank; wherein, a second filter screen is also arranged in the secondary building bath tank; still be provided with the stirring rake in the cavity of second grade bath of building, the pivot of stirring rake passes the setting of second filter screen, and the paddle of stirring rake is located the one side that the input port was kept away from to the second filter screen, utilizes the second filter screen to filter more subtle impurity, utilizes the stirring rake intensive mixing even simultaneously.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a structural diagram of a primary bath tank of the present invention;

FIG. 4 is the internal structure diagram of the secondary bath tank of the utility model;

fig. 5 is a cross-sectional view of the present invention.

The main component symbols are as follows:

1. a first-stage bath tank is built; 11. a water inlet; 12. a throwing port; 13. a first filter screen;

2. establishing a bath tank in the second stage; 21. an input port; 22. a second filter screen; 23. a stirring paddle;

3. a liquid medicine delivery pipe;

4. a temporary storage tank.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

In the following description, general example details are given to provide a more thorough understanding of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. It should be understood that the specific embodiments are only for explaining the present invention and are not used to limit the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

The utility model discloses a developer solution distributing groove with a filtering device, please refer to fig. 1-5; along liquid flow direction has set gradually:

the primary bath tank 1 comprises a water inlet 11 and a feeding port 12, and the water inlet is connected with a tap water pipe; the feeding port 12 is used for adding sodium carbonate; a first filter screen 13 is arranged on one side, close to the feeding port, of the cavity of the primary building bath tank 1; an output port is arranged at the bottom of the cavity of the primary bath tank; because impurities contained in the sodium carbonate influence the dissolution efficiency when the sodium carbonate solid particles and water are mixed for the first time, the sodium carbonate needs to be added and supplemented in small amount for multiple times, so that the primary bath building tank can facilitate the addition of the sodium carbonate, and most of the impurities can be eliminated through one-time filtration; then pumping into a secondary construction bath tank for secondary stirring and filtering to achieve the effect of full dissolution;

the secondary building bath 2 comprises an input port 21, the input port 21 is communicated with the input port through a liquid medicine conveying pipe 3, the liquid medicine conveying pipe 3 is connected with a water suction pump, the water suction pump is used for pumping liquid into the secondary building bath from the primary building bath, therefore, the primary building bath is adopted as primary filtration, the filtration effect can be achieved through natural flow of the liquid and flow of added tap water, and the secondary building bath has no other flowing substances, so that the water suction pump is adopted for pumping the mixed liquid of the primary building bath into the secondary building bath to provide the initial flow speed of the mixed liquid, and uniform mixing and filtration can be more effectively carried out; wherein, a second filter screen 22 is also arranged in the secondary building bath 2; and a stirring paddle 23 is also arranged in the cavity of the secondary bath establishing tank 2, a rotating shaft of the stirring paddle passes through the second filter screen, and a blade of the stirring paddle is positioned on one side of the second filter screen, which is far away from the input port. That is, the mixed liquid pumped into the secondary bath building tank is filtered by the second filter screen and then dropped onto the blades of the stirring paddle to be uniformly stirred; the device can not only play the effect of grading filtration, prevent the blockage of the primary filter screen from being too much, but also can effectively stir after secondary filtration. So as to reduce the impurity influence of sodium carbonate and improve the production quality of the developing solution. And a water outlet is also formed in the bottom of the secondary bath building tank, so that liquid medicine can be conveniently taken.

In the embodiment, the level of the input port of the secondary building bath tank 2 is higher than that of the input port of the primary building bath tank; the capacity of the secondary building bath tank is larger than that of the primary building bath tank. The initial kinetic energy of the secondary bath building tank can be obtained from the water suction pump, meanwhile, a larger space can be used for storing the filtered solution, and the stirring paddle is used for ensuring that the solution can be uniformly stirred.

In this embodiment, the second filter screen is a wave-shaped structure, and the rotating shaft of the stirring paddle passes through the wave crest position of the second filter screen. The rotating shaft needs to penetrate through the second filter screen and then is connected with an external motor, and impurities filtered by the second filter screen are easy to gather at a trough with a lower horizontal position, so that the impurities are easy to fall from a gap of the rotating shaft; secondly, the rotation axis is easily abraded, so the second filter screen with the wave-shaped structure is firstly arranged for filtering, and then the rotation axis is arranged at the wave crest position of the second filter screen, so the friction between the rotation axis and impurities is reduced.

In this embodiment, two paddles 23 are included, the input port is located between the two paddles, and the input port is provided with a temporary storage tank 4, and the temporary storage tank 4 is located between the second filter screen and the input port. The temporary storage tank is also provided with a plurality of through holes, so that the temporary storage tank can be easily and uniformly dropped from the primary bath building tank.

In this embodiment, the second screen has a smaller aperture than the first screen.

The utility model has the advantages that:

firstly, mixing of high-concentration sodium carbonate is realized through a primary bath building tank, and large-particle impurities can be filtered out firstly; then, a certain gravitational potential energy is provided by pumping into a secondary building bath tank, the secondary building bath tank comprises an input port, the input port is communicated with the input port through a liquid medicine conveying pipe, the liquid medicine conveying pipe is connected with a water suction pump, and the water suction pump is used for pumping liquid into the secondary building bath tank from the primary building bath tank; wherein, a second filter screen is also arranged in the secondary bath building tank; still be provided with the stirring rake in the cavity of second grade bath of building, the pivot of stirring rake passes the setting of second filter screen, and the paddle of stirring rake is located the one side that the input port was kept away from to the second filter screen, utilizes the second filter screen to filter more subtle impurity, utilizes the stirring rake intensive mixing even simultaneously.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a developer solution join in marriage groove with filter equipment which characterized in that has set gradually along the liquid flow direction:

the primary bath tank comprises a water inlet and a feeding port, and the feeding port is used for adding sodium carbonate; a first filter screen is arranged on one side, close to the throwing port, of the cavity of the primary bath tank; an output port is arranged at the bottom of the cavity of the primary bath tank;

the secondary building bath tank comprises an input port, the input port is communicated with the input port through a liquid medicine conveying pipe, the liquid medicine conveying pipe is connected with a water suction pump, and the water suction pump is used for sucking liquid from the primary building bath tank into the secondary building bath tank; wherein a second filter screen is also arranged in the secondary building bath tank; still be provided with the stirring rake in the cavity of bath is built to the second grade, the rotation axis of stirring rake passes the second filter screen sets up, the paddle of stirring rake is located the second filter screen is kept away from one side of input port.

2. The developer solution tank with filtering device as claimed in claim 1, wherein the input port of said secondary bath tank has a level higher than the level of the input port of said primary bath tank; the capacity of the secondary building bath tank is larger than that of the primary building bath tank.

3. The developer tank with filtering device as claimed in claim 1, wherein said second screen is of a wave-shaped structure, and the rotation axis of said paddle passes through the peak position of said second screen.

4. The developing solution distribution tank with the filtering device according to claim 3, comprising two stirring paddles, wherein the input port is located between the two stirring paddles, the input port is provided with a temporary storage tank, the temporary storage tank is located between the second filter screen and the input port, and the temporary storage tank is provided with a plurality of through holes.

5. The developer tank with filter apparatus as claimed in claim 1, wherein the second screen has a smaller pore size than the first screen.

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