CN210348198U

CN210348198U - Adjustable developing device

Info

Publication number: CN210348198U
Application number: CN201921661046.2U
Authority: CN
Inventors: 罗岗; 王文剑; 李永永; 尹志良
Original assignee: Shenzhen Threetek Technology Co ltd
Current assignee: Shenzhen Threetek Technology Co ltd
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-04-17
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses an adjustable developing device, including the developer tank and set up in the mechanism sprays of developer tank upper portion and lower part, it includes shower, shower nozzle, direction adjustment pole, regulating pipe and valve to spray the mechanism. The shower nozzle set up in the below of shower, the direction adjustment pole set up in on the shower, regulating tube one end with shower swing joint, the other end is provided with the valve, the valve includes page or leaf behind page or leaf and the valve before the valve, the page or leaf is fixed set up in on the regulating tube before the valve, the page or leaf is swing set up in on the regulating tube behind the valve, be provided with the valve regulation pole on the page or leaf behind the valve. The utility model discloses can adjust the shower nozzle direction at will and can adjust alone and spray pressure, can solve present developing device not nimble enough, the problem of multi-functionalization inadequately solves defects such as circuit board development is excessive, development is not clean.

Description

Adjustable developing device

Technical Field

The utility model relates to a development technical field that the circuit board was made, in particular to adjustable developing device.

Background

The exposure and the development of the circuit board are important steps in the production process of the circuit board, the exposure is that the circuit board exposes the circuit diagram part under the shielding of a film bottom plate, the part is subjected to polymerization reaction after the exposure, then the unexposed part can be cleaned by using a developing solution in the development process, and the part subjected to polymerization reaction after the exposure cannot be cleaned, so that a circuit on the circuit board is preliminarily formed. The stronger the developer, the faster the development speed, but too fast results in over-development (the lines are blurred and shrunk overall). If the developing solution is too dilute, the developing is slow, and insufficient development (eventually incomplete etching) is easily caused.

At present, in the production industry of circuit boards, for the development step, a swinging vertical spraying mode is mostly adopted, namely, the circuit board to be developed is conveyed forwards by a conveying roller, developing spray header matrixes above and below the conveying roller are driven by a developing spray frame to realize vertical spraying, and the spray frame drives the spray header matrixes to swing for development. Such a spraying mode cannot realize random adjustment of the developing spraying direction, cannot realize local developing operation, cannot realize local closing of spraying development, or cannot realize adjustment of strong and weak staggered spraying, is easy to generate a pool effect, and easily causes the defects of excessive development, incomplete development and the like of a circuit board, thereby affecting the quality of products.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can adjust shower nozzle direction at will and can adjust the developing device who sprays pressure alone, can solve present developing device not nimble enough, the problem of multi-functionalization inadequately, solve the circuit board and develop defects such as excessive, that develop unclean.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides an adjustable developing device, includes the developer tank and set up in developer tank upper portion and lower part spray the mechanism, spray the mechanism and include shower, shower nozzle, direction adjustment pole, regulating tube and valve.

The spray head is arranged below the spray pipe and used for spraying the developing solution.

The direction adjusting rod is arranged on the spray pipe and used for pulling the spray pipe so as to adjust the spray direction of the spray head.

One end of the adjusting pipe is movably connected with the spraying pipe, and the other end of the adjusting pipe is provided with the valve.

The valve includes page or leaf and valve back page or leaf before the valve, the page or leaf is fixed set up in before the valve on the regulating tube, the valve back page or leaf movably set up in on the regulating tube, the valve front page or leaf the valve back page or leaf all possesses valve opening and valve shut-off structure.

The valve back leaf is provided with a valve adjusting rod for pulling and adjusting the valve back leaf to realize the staggering of the valve opening and the valve closing of the valve back leaf and the valve opening and the valve closing of the valve front leaf to form the opening size of the circulation of the developing solution, and further the flow quantity of the developing solution and the spraying pressure are adjusted.

Further, the spraying mechanism further comprises a support ring, the support ring is sleeved on the spraying pipe, and the support ring is meshed with the groove edge of the developing tank, so that the spraying pipe is fixed on the developing tank.

Furthermore, the spraying mechanism further comprises a connecting pipe, two ends of the connecting pipe are movably connected with the spraying pipe, and the spraying mechanism is of a bilateral symmetry structure.

Furthermore, the developing device further comprises a support rod, wherein the support rod is arranged on the upper portion and the lower portion of the developing tank and used for supporting the spraying mechanism, and the support rod is a rod body support structure which is meshed with the connecting pipe.

Further, the developing device further comprises a conveying roller wheel, the conveying roller wheel is horizontally installed inside the developing tank, the conveying roller wheel is connected with a driving motor, and the driving motor drives the conveying roller wheel to rotate and then drive the circuit board to be developed to move.

Furthermore, the spray head extends towards the direction of the conveying roller.

By adopting the technical scheme, the direction adjustment of the spray pipe can be realized through the direction adjustment rod, so that the direction of the spray head is adjusted, the developing solution spraying direction forms an angle with the advancing direction of the circuit board to be developed, the strong scouring or weak scouring effect is realized, the developing requirements of the circuit board to be developed in different direction line distribution are met, and the water tank effect can be effectively reduced. The flow of the developing solution can be realized through the valve adjusting rod, so that the spraying pressure of the spray head is adjusted, the local spraying pressure is closed or weakened aiming at the circuit board to be developed with certain uneven circuits, and the reasonable matching of the spraying strength distribution and the circuit board to be developed is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the spraying mechanism of the present invention;

fig. 4 is a sectional view of the spraying mechanism of the present invention;

fig. 5 is a schematic structural diagram of the valve of the present invention;

fig. 6 is a schematic structural view of the support rod of the present invention.

In the figure:

1-a developing tank;

2-a spraying mechanism;

21-spray pipe, 22-spray head, 23-direction adjusting rod, 24-adjusting pipe, 25-valve, 251-valve front page, 252-valve back page, 253-valve opening, 254-valve closing, 255-valve adjusting rod, 26-supporting ring and 27-connecting pipe;

3-supporting rods;

4-transport rollers;

5-circuit board.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the embodiment of the utility model provides an adjustable developing device, including developing tank 1, spray mechanism 2 set up in developing tank 1 upper portion and lower part.

As shown in fig. 3 and 4, the spraying mechanism 2 includes a spraying pipe 21, a spray head 22, a direction adjustment rod 23, an adjustment pipe 24, and a valve 25.

The spray head 22 is arranged below the spray pipe 21 and used for spraying the developing solution.

One end of the adjusting pipe 24 is movably connected with the spray pipe 21, and the other end is provided with the valve 25.

The direction adjusting rod 23 is arranged on the spray pipe 21 and used for pulling the spray pipe 21 so as to adjust the spraying direction of the spray head 22. Specifically, in this embodiment, the direction adjustment rod 23 is disposed at one end of the spray pipe 21 movably connected to the adjustment pipe 24.

As shown in fig. 5, the valve 25 includes a valve front leaf 251 and a valve back leaf 252, the valve front leaf 251 is fixedly disposed on the adjusting pipe 24, the valve back leaf 252 is movably disposed thereon, and both the valve front leaf 251 and the valve back leaf 252 have a valve opening 253 and a valve closing 254 structure.

The valve back leaf 252 is provided with a valve adjusting rod 255, and since the valve back leaf 252 can move relative to the adjusting pipe 24 and the valve front leaf 251, the valve adjusting rod 255 is pulled, so that the valve opening 253 and the valve closing opening 254 of the valve back leaf 252 can be staggered with the valve opening 253 and the valve closing opening 254 of the valve front leaf 251 to form the opening size for the circulation of the developer, and further, the developer flux and the spraying pressure can be adjusted.

As shown in fig. 3 and 4, the spraying mechanism 2 further includes a support ring 26, and the support ring 26 is sleeved on the spraying pipe 21. Specifically, in this embodiment, the support ring 26 is sleeved on one end of the shower pipe 21 close to the direction adjustment rod 23. Referring to fig. 2, the supporting ring 26 is engaged with the groove edge of the developing tank 1 to fix the shower pipe 21 on the developing tank 1.

As shown in fig. 3 and 4, the spraying mechanism 2 further includes a connecting pipe 27, two ends of the connecting pipe 27 are movably connected to the spraying pipes 21, and at this time, the spraying mechanism 2 is a bilateral symmetry structure, that is, the spraying mechanism 2 is provided with two spraying pipes 21, two spray heads 22, two direction adjusting rods 23, two adjusting pipes 24, and two valves 25.

Preferably, as shown in fig. 1 and fig. 2, the developing device further includes a support rod 3, the support rod 3 is disposed at the upper portion and the lower portion of the developing tank 1 for supporting the spraying mechanism 2, and referring to fig. 6, the support rod 3 is a rod support structure engaged with the connecting portion 27.

As shown in fig. 1, the developing device further includes a transportation roller 4, the transportation roller 4 is horizontally installed inside the developing tank 1, the transportation roller 4 is connected with a driving motor (not shown), and the driving motor drives the transportation roller 4 to rotate so as to drive the circuit board 5 to be developed to move.

Specifically, the spray head 22 extends toward the transport roller 4.

Specifically, during operation, the developer flows into the shower pipe 21 through the regulating pipe 24 and is then sprayed out from the spray head 22. The valve adjusting rod 255 rotates the valve back leaf 252, the valve opening 253 and the valve closing opening 254 of the valve back leaf 252 are staggered with the valve opening 253 and the valve closing opening 254 of the valve front leaf 251, the opening size of the circulation of the developing solution can be adjusted, the developing solution flux can be adjusted, the spraying pressure can be adjusted, the spraying pipe 21 is pulled through the direction adjusting rod 23, the spraying direction of the spray head 22 can be adjusted, and the developing requirements of circuit boards with different circuit distributions can be met.

Above-mentioned developing device, through valve adjusting pole 255 with the regulation of direction adjusting pole 23's combination can realize developing the regulation of spraying the direction, realizes local development operation, satisfies not equidirectional circuit distribution and treats the development circuit board development demand, has multiple development mode to can effectively reduce the pond effect, can adjust data such as time, concentration that develop in a flexible way conveniently, avoid taking place to develop excessively, develop not enough, develop defects such as unclean greatly, improved the production yield.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for the convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element 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" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present patent application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "secured," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present patent application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Claims

1. An adjustable developing device is characterized by comprising a developing tank and spraying mechanisms arranged at the upper part and the lower part of the developing tank, wherein each spraying mechanism comprises a spraying pipe, a spray head, a direction adjusting rod, an adjusting pipe and a valve;

the spray head is arranged below the spray pipe and is used for spraying the developing solution;

the direction adjusting rod is arranged on the spray pipe and used for pulling the spray pipe so as to adjust the spraying direction of the spray head;

one end of the adjusting pipe is movably connected with the spraying pipe, and the other end of the adjusting pipe is provided with the valve;

the valve comprises a valve front leaf and a valve rear leaf, the valve front leaf is fixedly arranged on the adjusting pipe, the valve rear leaf is movably arranged on the adjusting pipe, and the valve front leaf and the valve rear leaf are both provided with a valve opening and a valve closing structure;

and the valve adjusting rod is arranged on the valve back leaf and used for pulling and adjusting the valve back leaf so as to adjust the developer flux and adjust the spraying pressure.

2. The adjustable developing device according to claim 1, wherein the spraying mechanism further comprises a support ring, the support ring is sleeved on the spray pipe, and the support ring is engaged with the groove edge of the developing tank to fix the spray pipe on the developing tank.

3. The adjustable developing device according to claim 1, wherein the spraying mechanism further comprises a connecting pipe, two ends of the connecting pipe are movably connected with the spraying pipe, and the spraying mechanism is of a bilateral symmetry structure.

4. The adjustable developing device according to claim 3, further comprising support rods disposed at upper and lower portions of the developing tank for supporting the spraying mechanism.

5. The adjustable developing device according to claim 4, wherein the supporting rod is a rod supporting structure engaged with the connecting tube.

6. The adjustable developing device according to claim 1, further comprising a transportation roller horizontally mounted inside the developing tank, wherein the transportation roller is connected to a driving motor, and the driving motor drives the transportation roller to rotate so as to drive the circuit board to be developed to move.

7. The adjustable developing device according to claim 6, wherein the shower head projects toward the transport roller.