CN215073209U

CN215073209U - Printed circuit board residue-free etching device

Info

Publication number: CN215073209U
Application number: CN202121301226.7U
Authority: CN
Inventors: 胡东旭
Original assignee: Baoding Beibo New Energy Technology Co ltd
Current assignee: Baoding Beibo New Energy Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-07
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a printed circuit board does not have etching device that remains, including box, sprinkler, belt cleaning device, clearing device, circuit board and transfer roller, the etching solution storage box has been placed to the inside of box, etching solution storage box and sprinkler fixed connection, the top and the belt cleaning device fixed connection of box, the right side and the clearing device fixed connection of box, the middle part and the transfer roller of box are connected, and the circuit board is placed on the transfer roller. The utility model discloses a printed circuit board does not have etching device that remains, the pump is extracted the etching solution from the etching solution storage box through the inlet and is sprayed the circuit board, and unnecessary etching solution can fall into the etching solution storage box from the clearance of transfer roller again, not only do not cause the waste of etching solution, and the cost is saved still, belt cleaning device washes away the remaining etching solution in circuit board surface, the setting of pivot and sponge, can get rid of the water stain on circuit board surface and the etching solution that does not wash away, avoid the etching solution to remain.

Description

Printed circuit board residue-free etching device

Technical Field

The utility model relates to an etching device technical field especially relates to a printed circuit board does not have etching device of remaining.

Background

The printed circuit board, also called printed circuit board, is the provider of electronic component electrical connection, the etching is the core of the manufacturing process of the printed circuit board, the process is based on the subtractive method, remove the unnecessary copper foil part, thus get the required circuit diagram, wherein the spray etching is most commonly used, it sucks the etchant to the spray nozzle through the pressurization, then spray to the circuit board face, but in the prior art, in the spraying process, can produce the surplus etchant, because the etchant has corrosivity, not only cause the potential safety hazard easily, but also cause the waste of the etchant, unfavorable to save the cost, meanwhile, in the etching, because the surplus etchant can remain on the circuit board surface, it is easy to influence the processing quality to do not process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board does not have and remains etching device possesses the nothing and remains, practices thrift the characteristics of cost, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a printed circuit board does not have etching device that remains, includes box, sprinkler, belt cleaning device, clearing device, circuit board and transfer roller, and the etching solution storage box has been placed to the inside of box, etching solution storage box and sprinkler fixed connection, the top and the belt cleaning device fixed connection of box, the right side and the clearing device fixed connection of box, the middle part and the transfer roller of box are connected, and the circuit board is placed on the transfer roller.

The spraying device comprises a liquid inlet pipe, a liquid inlet, a pump, an upper connecting pipe and a lower connecting pipe, one end of the liquid inlet is communicated with the etching liquid storage box, the other end of the liquid inlet is connected with the pump, the upper part of the pump is connected with the liquid inlet pipe, the upper part of the liquid inlet pipe is communicated with the upper connecting pipe, and the lower part of the liquid inlet pipe is communicated with the lower connecting pipe.

The cleaning device comprises a water inlet, a water feeding pipe, a water inlet pipe and a water discharging pipe, wherein the water inlet is communicated with the water inlet pipe, the water inlet pipe penetrates through the top of the box body and is communicated with the water feeding pipe, and the other end of the water inlet pipe is communicated with the water discharging pipe.

The clearing device comprises a supporting column, a rotating shaft and sponge, wherein the supporting column is fixed on the box body, the rotating shaft is connected with the supporting column, and the surface of the rotating shaft is fixedly connected with the sponge.

Preferably, the upper connecting pipe is provided with an upper sprinkler head, and the lower connecting pipe is provided with a lower sprinkler head.

Preferably, a water collecting tank is arranged right below the cleaning device and connected with the box body.

Preferably, a control valve is arranged at the water inlet.

Preferably, the upper water pipe is provided with an upper spray head, and the lower water pipe is provided with a lower spray head.

Preferably, the conveying roller passes through the spraying device and the cleaning device in sequence.

Preferably, the clearing devices are symmetrically arranged and fixedly arranged above and below the box body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a printed circuit board does not have etching device that remains, sprinkler includes feed liquor pipe, inlet, pump, upper junction pipe and lower connecting pipe, the one end of inlet communicates with etching solution storage box, the other end of inlet is connected with the pump, the top of pump is connected with feed liquor pipe, the top of feed liquor pipe communicates with upper connecting pipe, upper sprinkler head is equipped with on the upper connecting pipe, the below of feed liquor pipe communicates with lower connecting pipe, lower sprinkler head is equipped with on the lower connecting pipe, the pump draws etching solution from etching solution storage box through the inlet, and then carry etching solution to upper connecting pipe and lower connecting pipe through feed liquor pipe, upper sprinkler head sprays to the top of circuit board, lower sprinkler head sprays to the below of circuit board, and redundant etching solution can fall into the etching solution storage tank from the clearance of transfer roller again, but cyclic utilization not only does not cause the waste of etching solution, but also has practiced thrift the cost.

2. The utility model discloses a printed circuit board does not have etching device of remaining, belt cleaning device includes the water inlet, the water feeding pipe, inlet tube and downcomer, water inlet and inlet tube intercommunication, the inlet tube passes the top and the water feeding pipe intercommunication of box, be equipped with the top shower nozzle on the water feeding pipe, the other end and the downcomer intercommunication of inlet tube, be equipped with down the shower nozzle on the downcomer, the inlet tube passes through the water inlet and introduces clean water, water is respectively carried water feeding pipe and downcomer, go up the shower nozzle and spray water with the surface of lower shower nozzle to the circuit board, wash away the remaining etching solution in circuit board surface, the circuit board conveys to the export, the setting of pivot and sponge, can get rid of the water stain on circuit board surface and the etching solution that does not wash away, avoid the etching solution to remain, influence processingquality.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of the spraying device of the present invention;

FIG. 3 is a view showing the structure of the cleaning device of the present invention;

FIG. 4 is a structural view of the cleaning device of the present invention;

fig. 5 is a top view of the transfer roller of the present invention.

In the figure: 1. a box body; 2. a spraying device; 21. a liquid inlet pipe; 22. a liquid inlet; 23. a pump; 24. an upper connecting pipe; 25. an upper sprinkler head; 26. a lower sprinkler head; 27. a lower connecting pipe; 3. a cleaning device; 31. a water inlet; 32. a control valve; 33. a water feeding pipe; 34. an upper spray head; 35. a water inlet pipe; 36. a lower nozzle; 37. a sewer pipe; 4. a clearing device; 41. a support pillar; 42. a rotating shaft; 43. a sponge; 5. a circuit board; 6. a conveying roller; 7. an etching solution storage tank; 8. a water collection tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a printed circuit board residue-free etching device, including a box body 1, a spraying device 2, a cleaning device 3, a cleaning device 4, a circuit board 5 and a conveying roller 6, an etching solution storage tank 7 is placed inside the box body 1, the etching solution storage tank 7 is used for storing etching solution, the etching solution storage tank 7 is fixedly connected with the spraying device 2, the top of the box body 1 is fixedly connected with the cleaning device 3, the right side of the box body 1 is fixedly connected with the cleaning device 4, the middle of the box body 1 is connected with the conveying roller 6, the circuit board 5 is placed on the conveying roller 6, the conveying roller 6 sequentially passes through the spraying device 2 and the cleaning device 3, thereby completing the whole etching process, and the box body 1 plays a role in fixing the internal device.

Referring to fig. 3, the spraying device 2 includes a liquid inlet pipe 21, a liquid inlet 22, a pump 23, an upper connection pipe 24 and a lower connection pipe 27, one end of the liquid inlet 22 is communicated with the etching solution storage tank 7, the other end of the liquid inlet 22 is connected with the pump 23, the upper side of the pump 23 is connected with the liquid inlet pipe 21, the upper side of the liquid inlet pipe 21 is communicated with the upper connection pipe 24, the upper connection pipe 24 is provided with an upper spraying head 25, the lower side of the liquid inlet pipe 21 is communicated with the lower connection pipe 27, the lower connection pipe 27 is provided with a lower spraying head 26, the pump 23 pumps the etching solution from the etching solution storage tank 7 through the liquid inlet 22, the liquid inlet pipe 21 transmits the etching solution to the upper connection pipe 24 and the lower connection pipe 27, the etching solution is sprayed on the surface of the circuit board 5 from the upper spraying head 25 and the lower spraying head 26, the surplus etching solution falls from the gap between the transmission rollers 6 and falls into the etching solution storage tank 7, thus the waste of the etching solution is not caused, and saves the cost.

Referring to fig. 4, the cleaning device 3 includes a water inlet 31, a water supply pipe 33, a water inlet pipe 35 and a water drain pipe 37, the water inlet 31 is provided with a control valve 32, the flow of water is controlled by the control valve 32, the water inlet 31 is communicated with the water inlet pipe 35, the water inlet pipe 35 penetrates through the top of the box body 1 and is communicated with the water supply pipe 33, the water supply pipe 33 is provided with an upper nozzle 34, the other end of the water inlet pipe 35 is communicated with the water drain pipe 37, the water drain pipe 37 is provided with a lower nozzle 36, water enters the water inlet pipe 35 from the water inlet 31, the water is respectively transmitted to the water supply pipe 33 and the water drain pipe 37 by the water inlet pipe 35, the upper nozzle 34 and the lower nozzle 36 respectively spray water on the surface of the circuit board 5, the circuit board 5 is prevented from being washed by residual etching solution, the water collection tank 8 is arranged right below the cleaning device 3, and waste water after washing flows into the water collection tank 8.

Referring to fig. 5, the removing device 4 includes a supporting column 41, a rotating shaft 42 and a sponge 43, the supporting column 41 is fixed on the box body 1, the rotating shaft 42 is connected with the supporting column 41, the surface of the rotating shaft 42 is fixedly connected with the sponge 43, the removing device 4 is symmetrically arranged, the removing device 4 is fixedly installed above and below the box body 1, when the circuit board 5 is conveyed between the sponges 43, the sponge 43 absorbs water stains on the surface of the circuit board 5 and the etching solution which is not washed away, and the etching solution is prevented from remaining.

In summary, the following steps: the printed circuit board residue-free etching device comprises a circuit board 5 placed on a conveying roller 6 in a box body 1 during processing, the circuit board 5 is conveyed to a spraying device 2 on the conveying roller 6, a pump 23 extracts etching liquid from an etching liquid storage tank 7 through a liquid inlet 22, the liquid inlet pipe 21 conveys the etching liquid to an upper connecting pipe 24 and a lower connecting pipe 27, the etching liquid is sprayed on the surface of the circuit board 5 from an upper spraying head 25 and a lower spraying head 26 respectively, the redundant etching liquid falls from a gap between the conveying rollers 6 and falls into the etching liquid storage tank 7, thus the waste of the etching liquid is avoided, the cost is saved, the etched circuit board 5 is conveyed to a cleaning device 3 through the conveying roller 6, water enters a water inlet pipe 35 from a water inlet 31, a control valve 32 controls the flow rate of the water in the water inlet pipe 31, the water inlet pipe 35 conveys the water to an upper water pipe 33 and a lower water pipe 37 respectively, the upper spraying head 34 and the lower spraying head 36 respectively spray the water on the surface of the circuit board 5, avoid remaining etching solution to erode circuit board 5, the residue of etching solution has been avoided like this, and be equipped with header tank 8 under belt cleaning device 3, the waste water after the washing away flows into header tank 8, and finally, circuit board 5 conveys clearing device 4, support column 41 is fixed on box 1, pivot 42 is connected with support column 41, pivot 42 surface and sponge 43 fixed connection, when circuit board 5 passed between the sponge 43, sponge 43 adsorbs the water stain on circuit board 5 surface and the etching solution that does not erode away, the residue of etching solution has been prevented.

It is noted that, herein, relational terms such as first and second, and the like may be 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 printed circuit board does not have etching device that remains, includes box (1), sprinkler (2), belt cleaning device (3), clearing device (4), circuit board (5) and transfer roller (6), its characterized in that: an etching solution storage tank (7) is placed in the box body (1), the etching solution storage tank (7) is fixedly connected with the spraying device (2), the top of the box body (1) is fixedly connected with the cleaning device (3), the right side of the box body (1) is fixedly connected with the clearing device (4), the middle of the box body (1) is connected with the conveying roller (6), and the circuit board (5) is placed on the conveying roller (6);

the spraying device (2) comprises a liquid inlet pipe (21), a liquid inlet (22), a pump (23), an upper connecting pipe (24) and a lower connecting pipe (27), one end of the liquid inlet (22) is communicated with the etching liquid storage box (7), the other end of the liquid inlet (22) is connected with the pump (23), the upper part of the pump (23) is connected with the liquid inlet pipe (21), the upper part of the liquid inlet pipe (21) is communicated with the upper connecting pipe (24), and the lower part of the liquid inlet pipe (21) is communicated with the lower connecting pipe (27);

the cleaning device (3) comprises a water inlet (31), an upper water pipe (33), a water inlet pipe (35) and a lower water pipe (37), the water inlet (31) is communicated with the water inlet pipe (35), the water inlet pipe (35) penetrates through the top of the box body (1) to be communicated with the upper water pipe (33), and the other end of the water inlet pipe (35) is communicated with the lower water pipe (37);

clearing device (4) are including support column (41), pivot (42) and sponge (43), and support column (41) are fixed on box (1), and pivot (42) are connected with support column (41), and pivot (42) surface and sponge (43) fixed connection.

2. The apparatus of claim 1, wherein: an upper sprinkler head (25) is arranged on the upper connecting pipe (24), and a lower sprinkler head (26) is arranged on the lower connecting pipe (27).

3. The apparatus of claim 1, wherein: a water collecting tank (8) is arranged under the cleaning device (3), and the water collecting tank (8) is connected with the box body (1).

4. The apparatus of claim 1, wherein: and a control valve (32) is arranged at the water inlet (31).

5. The apparatus of claim 1, wherein: an upper spray head (34) is arranged on the upper water pipe (33), and a lower spray head (36) is arranged on the lower water pipe (37).

6. The apparatus of claim 1, wherein: and the conveying roller (6) sequentially penetrates through the spraying device (2) and the cleaning device (3).

7. The apparatus of claim 1, wherein: the clearing devices (4) are symmetrically arranged, and the clearing devices (4) are fixedly arranged above and below the box body (1).