CN210899874U

CN210899874U - Acid dip pickle is used in PCB production

Info

Publication number: CN210899874U
Application number: CN201922197222.8U
Authority: CN
Inventors: 陈啸枫
Original assignee: Shenzhen City Sheng Yi Fast Circuit Co ltd
Current assignee: Shenzhen City Sheng Yi Fast Circuit Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-30
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a pickling device is used in PCB production, including the pickling case, the inside of pickling case is located the fixed grafting in below of mounting bracket has the filter, the fixed intercommunication in one side of pickling pump has the liquid suction pipe, the fixed intercommunication in one end of liquid suction pipe has the liquid reserve tank, motor rotation axis's one end fixedly connected with driving gear, the driving gear meshing has driven gear, driven gear's inside fixedly connected with drain pipe, the fixed intercommunication in one end of drain pipe has the shower nozzle, the other end and the fixed intercommunication of liquid reserve tank of drain pipe, the fixed intercommunication in one side of pickling case has the gas filtration section of thick bamboo, the inside fixedly connected with filter layer of gas filtration section of thick bamboo. The utility model discloses a set up mounting bracket, motor, pickling pump and shower nozzle, can carry out effectual pickling to the PCB board, and through setting up gas cartridge filter, fan and filter layer, can handle the back to the acid gas of pickling incasement and discharge, optimize operational environment.

Description

Acid dip pickle is used in PCB production

Technical Field

The utility model relates to a PCB production and processing technology field specifically is a pickling unit is used in PCB production.

Background

The PCB is called printed circuit board, also called printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electrical connection of the electronic component, and is called printed circuit board because it is manufactured by adopting electronic printing technology.

PCB need be through many times pickling process in the in-process of manufacturing, and some current PCB acid dip pickle can not carry out effectual washing to PCB when carrying out the pickling, and use the volatile gas that can produce the acid liquor when acid solution washs PCB, do not in time handle can seriously influence operational environment. Therefore, a pickling device for PCB production is required to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pickling device is used in PCB production, through setting up mounting bracket, motor, pickling pump and shower nozzle, can carry out effectual pickling to the PCB board, and through setting up gas cartridge filter, fan and filter layer, can handle the back to the acid gas of pickling incasement and discharge, optimize operational environment to solve the problem that exists among the above-mentioned background art.

In order to realize the aim, the utility model provides a pickling device for PCB production, which comprises a pickling tank, wherein the inner part of the pickling tank is fixedly connected with a horizontally arranged mounting rack, the inner part of the pickling tank is fixedly inserted and connected with a filter plate below the mounting rack, the bottom of the pickling tank is provided with a pickling liquid chamber, one side of the pickling liquid chamber is fixedly communicated with a pickling pump, one side of the pickling pump is fixedly communicated with a liquid suction pipe, one end of the liquid suction pipe is fixedly communicated with a liquid storage tank, the upper part of the inner wall of the pickling tank is fixedly connected with a vertically arranged motor, one end of a motor rotating shaft is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, the inner part of the driven gear is fixedly connected with a liquid outlet pipe, one end of the liquid outlet pipe is fixedly communicated with a spray head, the other end of the liquid outlet pipe is communicated with the liquid, the inside fixedly connected with filter layer of gas filter section of thick bamboo.

Further, the upper portion of pickling case is provided with the inlet, the upper portion of inlet articulates there is the upper cover.

Further, the mounting frame is provided with a mounting groove, and the mounting groove is of a net structure.

Furthermore, one side of the filter plate is positioned outside the pickling tank and is provided with a handle convenient to pull.

Further, an anticorrosive layer is arranged on the side wall of the acid liquid chamber.

Furthermore, a sealing bearing is arranged at the communicating part of the liquid outlet pipe and the liquid storage tank, and one end of the liquid outlet pipe is fixedly inserted into an inner ring of the sealing bearing.

Furthermore, a fan is arranged inside the gas filter cylinder, a gas outlet is formed in one side of the gas filter cylinder, and the filter layer is a calcium oxide filter screen.

Furthermore, an acid liquor discharge pipe is fixedly communicated with the bottom of the acid liquor chamber, and a water valve is arranged on the acid liquor discharge pipe.

Furthermore, one side of the pickling tank is provided with an observation window.

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

the utility model discloses a set up the mounting bracket, install the PVB board in the mounting groove, the pickling pump passes through the acidizing fluid that the acidizing fluid is indoor and takes out to the liquid reserve tank in through the liquid suction pipe, it is rotatory to drive the driving gear through the motor, the driving gear drives driven gear rotatory, driven gear drives the shower nozzle and rotates and wash, can carry out effectual pickling to the PCB board, and the acidizing fluid can carry out cyclic utilization, and through setting up gas cartridge filter, fan and filter layer, can handle the back to discharge to the acid gas of pickling incasement, optimizes operational environment.

Drawings

Fig. 1 is a schematic front cross-sectional view of the present invention;

FIG. 2 is a schematic side view cross-section of the present invention;

fig. 3 is a schematic top view of the mounting frame of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1. a pickling tank; 2. a motor; 3. a driving gear; 4. a driven gear; 5. a liquid outlet pipe; 6. sealing the bearing; 7. a liquid storage tank; 8. a liquid pumping pipe; 9. a spray head; 10. a mounting frame; 11. a filter plate; 12. an acid liquid chamber; 13. a pickling pump; 14. a gas cartridge filter; 15. a fan; 16. a filter layer; 17. a gas discharge port; 18. a handle; 19. an acid liquor discharge pipe; 20. a liquid inlet; 21. mounting grooves; 22. and (4) an observation window.

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. 1-4, the present invention provides a technical solution: a pickling device for PCB production comprises a pickling tank 1, wherein a horizontally arranged mounting frame 10 is fixedly connected inside the pickling tank 1, a filter plate 11 is fixedly inserted and connected below the mounting frame 10 inside the pickling tank 1, an acid liquid chamber 12 is arranged at the bottom of the pickling tank 1, a pickling pump 13 is fixedly communicated with one side of the acid liquid chamber 12, a liquid pumping pipe 8 is fixedly communicated with one side of the pickling pump 13, a liquid storage tank 7 is fixedly communicated with one end of the liquid pumping pipe 8, a vertically arranged motor 2 is fixedly connected to the upper portion of the inner wall of the pickling tank 1, a driving gear 3 is fixedly connected to one end of a rotating shaft of the motor 2, a driven gear 4 is meshed with the driving gear 3, a liquid outlet pipe 5 is fixedly connected inside the driven gear 4, a spray head 9 is fixedly communicated with one end of the liquid outlet pipe 5, the other end of the liquid storage tank 7 is communicated with the other end of the liquid, a filter layer 16 is fixedly attached to the interior of the gas filter cartridge 14.

In practical implementation, the liquid outlet pipe 5, the liquid storage tank 7, the liquid pumping pipe 8, the spray head 9, the mounting rack 10 and the acid liquid discharge pipe 19 are all set to be of an anti-corrosion structure. The upper part of the pickling tank 1 is provided with a liquid inlet 20, and the upper part of the liquid inlet 20 is hinged with an upper cover, so that the pickling solution can be conveniently added into the pickling tank 1. The upper cover plays a role in sealing. The mounting rack 10 is provided with a mounting groove 21, and the mounting groove 21 is of a net structure. One side of the filter plate 11, which is located outside the pickling tank 1, is provided with a handle 18 for easy pulling. An anti-corrosion layer is arranged on the side wall of the acid liquid chamber 12 to prevent the acid liquid from being corroded. The communicating part of drain pipe 5 and liquid reserve tank 7 is provided with sealed bearing 6, and the fixed grafting of one end of drain pipe 5 is in sealed bearing 6's inner circle, and the drain pipe 5 of being convenient for rotates. The filter plate 11 is a PTFE filter. The seal bearing 6 is a fluoroplastic seal bearing.

The inside of gas cartridge filter 14 is provided with fan 15, is convenient for arrange the gas in pickling case 1 to filter 16, and one side of gas cartridge filter 14 is provided with gas outlet 17, is convenient for with the gas outgoing after filtering, and filter 16 sets up to the calcium oxide filter screen, and acid gas can take place neutralization reaction with calcium oxide, can optimize operational environment. An acid liquor discharge pipe 19 is fixedly communicated with the bottom of the acid liquor chamber 12, and a water valve is arranged on the acid liquor discharge pipe 19, so that the acid liquor can be conveniently replaced. An observation window 22 is arranged at one side of the pickling tank 1, so that observation is convenient during pickling.

The working principle is as follows: when using, install the PVB board in the mounting groove 21 that sets up on mounting bracket 10, pickling pump 13 is taken out the acidizing fluid in acidizing fluid chamber 12 to the liquid reserve tank 7 in through liquid suction pipe 8, it is rotatory to drive driving gear 3 through motor 2, driving gear 3 drives driven gear 4 rotatory, driven gear 4 drives drain pipe 5 rotatory, drain pipe 5 drives shower nozzle 9 and rotates and wash, can carry out effectual pickling to the PCB board, filter 11 can filter out the impurity that the pickling produced, the acidizing fluid falls into acidizing fluid chamber 12 again after the pickling, can recycle, bring the gas that produces in pickling tank 1 to gas filtration section of thick bamboo 14 in through the fan, acid gas can carry out filtration treatment through the filter layer, then discharge from gas outlet 17, optimize operational environment.

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 pickling unit is used in PCB production, includes pickling case (1), its characterized in that: the pickling tank is characterized in that the inside of the pickling tank (1) is fixedly connected with a horizontally arranged mounting rack (10), the inside of the pickling tank (1) is positioned below the mounting rack (10) and is fixedly connected with a filtering plate (11) in an inserting mode, the bottom of the pickling tank (1) is provided with a pickling liquid chamber (12), one side of the pickling liquid chamber (12) is fixedly communicated with a pickling pump (13), one side of the pickling pump (13) is fixedly communicated with a liquid pumping pipe (8), one end of the liquid pumping pipe (8) is fixedly communicated with a liquid storage tank (7), the upper portion of the inner wall of the pickling tank (1) is fixedly connected with a vertically arranged motor (2), one end of a rotating shaft of the motor (2) is fixedly connected with a driving gear (3), the driving gear (3) is meshed with a driven gear (4), the inside of the driven gear (4) is fixedly connected with a liquid outlet pipe (5), one end of the, the other end and the liquid reserve tank (7) intercommunication of drain pipe (5), one side fixed intercommunication of pickling case (1) has gas cartridge filter (14), the inside fixedly connected with filter layer (16) of gas cartridge filter (14).

2. The pickling device for PCB production as recited in claim 1, wherein: the pickling tank is characterized in that a liquid inlet (20) is arranged at the upper part of the pickling tank (1), and an upper cover is hinged to the upper part of the liquid inlet (20).

3. The pickling device for PCB production as recited in claim 1, wherein: the mounting rack (10) is provided with a mounting groove (21), and the mounting groove (21) is of a net structure.

4. The pickling device for PCB production as recited in claim 1, wherein: one side of the filter plate (11) is positioned outside the pickling tank (1) and is provided with a handle (18) which is convenient to pull.

5. The pickling device for PCB production as recited in claim 1, wherein: and an anticorrosive layer is arranged on the side wall of the acid liquid chamber (12).

6. The pickling device for PCB production as recited in claim 1, wherein: a sealing bearing (6) is arranged at the communicating part of the liquid outlet pipe (5) and the liquid storage tank (7), and one end of the liquid outlet pipe (5) is fixedly inserted into the inner ring of the sealing bearing (6).

7. The pickling device for PCB production as recited in claim 1, wherein: the gas filter cartridge is characterized in that a fan (15) is arranged inside the gas filter cartridge (14), a gas outlet (17) is formed in one side of the gas filter cartridge (14), and the filter layer (16) is a calcium oxide filter screen.

8. The pickling device for PCB production as recited in claim 1, wherein: an acid liquor discharge pipe (19) is fixedly communicated with the bottom of the acid liquor chamber (12), and a water valve is arranged on the acid liquor discharge pipe (19).

9. The pickling device for PCB production as recited in claim 1, wherein: an observation window (22) is arranged on one side of the pickling tank (1).