CN218336604U

CN218336604U - Pickling equipment is used in PCB production

Info

Publication number: CN218336604U
Application number: CN202222305234.XU
Authority: CN
Inventors: 张�杰; 德新国
Original assignee: Anhui Zhongmao Precision Circuit Co ltd
Current assignee: Anhui Zhongmao Precision Circuit Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-17
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a pickling device for PCB production, which relates to the technical field of PCB production equipment and comprises a pickling box, wherein a placing seat is fixedly arranged at the top of an inner cavity of the pickling box, and a guide seat is arranged on one side of the placing seat; the utility model discloses a shower nozzle is to PCB pickling operation, and before the pickling, the fly leaf is located and holds the intracavity, and the piston rod of cylinder passes the pore and fixes with the fly leaf, promotes the fly leaf horizontal motion by the cylinder, and the spacing groove on the fly leaf passes the inside of placing the seat, and the top surface and the bottom surface contact of cleaning brush and PCB board this moment sweep the PCB board surface reciprocating, are convenient for detach the welding residue on PCB board surface; in the seat is placed in to the PCB board, the turning block took place to rotate with placing the seat, and briquetting and PCB board top surface laminating carry out the pressfitting to the PCB board fixed, avoid the PCB board to appear rocking when the pickling, guarantee the stability of PCB board pickling process.

Description

Pickling equipment is used in PCB production

Technical Field

The utility model relates to a PCB production facility technical field specifically is a pickling installation 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 electronic components, is a carrier for electrical connection of the electronic components, is called printed circuit board because it is manufactured by adopting electronic printing technology, and after electronic equipment adopts printed boards, because of the consistency of the same printed boards, the error of manual wiring is avoided, and the automatic insertion of the electronic components can be realized, and the PCB needs to be subjected to acid pickling operation by sulfuric acid in the production and manufacturing process.

The utility model discloses a utility model with publication number CN210899874U discloses a pickling device is used in PCB production, it is rotatory that the driving gear drives driven gear, driven gear drives the shower nozzle and rotates and wash, can carry out effectual pickling to the PCB board, the acidizing fluid can carry out cyclic utilization, through setting up gas cartridge filter, fan and filter layer, can handle the back and discharge to the acid gas of pickling incasement, but when carrying out the pickling operation to the PCB board, the welding residue still exists on the PCB board surface, need the secondary to clear up.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pickling installation is used in PCB production to solve the technical problem who proposes among the above-mentioned background art.

The utility model discloses can realize through following technical scheme: the utility model provides a pickling equipment is used in PCB production, includes the pickling case, the inner chamber both sides wall difference fixed mounting of pickling case places seat and guide holder, the surface of guide holder is equipped with and holds the chamber, and the inside of guide holder is equipped with the pore, the inside matching that holds the chamber installs the fly leaf, the inner wall of fly leaf is installed and is used for the clean brush of PCB board, and the surface of fly leaf is equipped with the spacing groove, the thickness of placing the seat highly is greater than of spacing groove, the surface mounting of pickling case has the cylinder, the tailpiece of the piston rod portion of cylinder pass the pore and with the fixed surface of fly leaf.

The utility model discloses a further technological improvement lies in: the top surface of the guide seat is an inclined surface, and the guide seat is fixed with the cavity wall of the pickling tank.

The utility model discloses a further technological improvement lies in: one side surface mounting of pickling case has the pickling pump, and the bottom of pickling case is provided with the backward flow room, the inlet liquor end of pickling pump be connected with the communicating feed liquor pipe of backward flow room, and the play liquid end of pickling pump is connected with the drain pipe that enters into pickling case inner chamber top, the top surface mounting of drain pipe has the shower nozzle that is used for the pickling of PCB board.

The utility model discloses a further technological improvement lies in: the pickling tank is characterized in that a liquid outlet is formed in the inner cavity of the pickling tank and close to the lower portion of the placing seat, a filter screen is arranged inside the liquid outlet, and the liquid outlet is communicated with the backflow chamber.

The utility model discloses a further technological improvement lies in: the bottom surface of the inner cavity of the placing seat is provided with a circulation cavity.

The utility model discloses a further technological improvement lies in: the top surface of placing the seat rotates installs and is used for the turning block fixed to the PCB board, the one end surface of turning block is equipped with the cavity, the internally mounted of cavity has the kelly, the bottom surface fixedly connected with briquetting of kelly, and the outside of kelly is located the briquetting and is equipped with the spring with the cavity between, the bottom surface and the PCB board contact of briquetting.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the PCB is pickled by the sprayer, before pickling, the movable plate is positioned in the containing cavity, after the PCB is placed, a piston rod of the air cylinder penetrates through the pore and is fixed with the movable plate, the movable plate is pushed by the air cylinder to move horizontally, the limiting groove in the movable plate penetrates through the inside of the placing seat, and at the moment, the cleaning brush is in contact with the top surface and the bottom surface of the PCB to sweep the surface of the PCB in a reciprocating mode, so that welding residues on the surface of the PCB can be removed conveniently;

2. in the seat is placed in to the PCB board, the turning block took place to rotate with placing the seat, and briquetting and PCB board top surface laminating can carry out the pressfitting to the PCB board fixed, avoid the PCB board phenomenon that rocks to appear when the pickling, guarantee the stability of PCB board pickling process.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial cross-sectional side view of the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a pickling tank; 2. a placing seat; 3. a pickling pump; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a spray head; 7. a liquid outlet; 8. filtering with a screen; 9. a reflux chamber; 10. a movable plate; 11. cleaning the brush; 12. a cylinder; 13. a guide seat; 14. an accommodating chamber; 15. a duct; 17. a limiting groove; 18. rotating the block; 19. a concave cavity; 20. a clamping rod; 21. a spring; 22. and (7) briquetting.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-4, a pickling apparatus for PCB production includes a pickling tank 1, a placing seat 2 and a guide seat 13 are respectively and fixedly mounted on two side walls of an inner cavity of the pickling tank 1, a containing cavity 14 is formed on a surface of the guide seat 13, a pore 15 is formed inside the guide seat 13, a movable plate 10 is mounted inside the containing cavity 14 in a matching manner, a cleaning brush 11 for cleaning a PCB is mounted on an inner wall of the movable plate 10, a limiting groove 17 is formed on a surface of the movable plate 10, the height of the limiting groove 17 is greater than the thickness of the placing seat 2, an air cylinder 12 is mounted on an outer surface of the pickling tank 1, and a piston rod end portion of the air cylinder 12 passes through the pore 15 and is fixed to the surface of the movable plate 10.

The top surface of the guide seat 13 is set to be an inclined surface, and the guide seat 13 is fixed with the cavity wall of the pickling tank 1.

The pickling tank comprises a pickling tank 1, a pickling pump 3, a reflux chamber 9, a liquid inlet pipe 4 communicated with the reflux chamber 9 and connected with a liquid outlet end of the pickling pump 3, a liquid outlet pipe 5 entering the top of an inner cavity of the pickling tank 1 and connected with a liquid outlet end of the pickling pump 3, and a sprayer 6 used for pickling the PCB are mounted on the surface of the top of the liquid outlet pipe 5.

A liquid outlet 7 is arranged below the inner cavity of the pickling tank 1 close to the placing seat 2, a filter screen 8 is arranged inside the liquid outlet 7, and the liquid outlet 7 is communicated with a reflux chamber 9.

When the PCB is subjected to pickling operation, a sealing door on the front side of a pickling tank 1 is opened, then the PCB is placed in a placing seat 2, then the sealing door is closed, an adding port is formed in the top of the pickling tank 1, pickling liquid enters through the adding port and falls into a backflow chamber 9 from a liquid outlet 7, the pickling liquid in the backflow chamber 9 is extracted through a pickling pump 3 and a liquid inlet pipe 4 and reaches a plurality of spray heads 6 from a liquid outlet pipe 5, the PCB is pickled through the spray heads 6, before pickling, a movable plate 10 is located in an accommodating cavity 14, after the PCB is placed, a piston rod of an air cylinder 12 penetrates through a pore passage 15 and is fixed with the movable plate 10, the air cylinder 12 pushes the movable plate 10 to move horizontally, a limiting groove 17 on the movable plate 10 penetrates through the placing seat 2, at the moment, a cleaning brush 11 is in contact with the top surface and the bottom surface of the PCB, the PCB can be scraped in a reciprocating mode, and welding residues on the surface of the PCB can be removed conveniently; the raffinate after the pickling falls to liquid outlet 7 department through the circulation chamber, through the separation of filter screen 8, can filter the impurity in the raffinate, is convenient for utilize the raffinate many times.

The bottom surface of the inner cavity of the placing seat 2 is provided with a circulation cavity.

The top surface of placing seat 2 rotates installs and is used for the turning block 18 fixed to the PCB board, and the one end surface of turning block 18 is equipped with cavity 19, and the internally mounted of cavity 19 has kelly 20, and the bottom surface fixedly connected with briquetting 22 of kelly 20, and the outside of kelly 20 is located and is equipped with spring 21 between briquetting 22 and the cavity 19, and the bottom surface and the PCB board contact of briquetting 22.

PCB board is putting into and is placing 2 back in the seat, stir card pole 20 upwards, card pole 20 drives briquetting 22 upwards, the spring 21 is being extruded under the effect of cavity 19, the turning block 18 is stirred in the rotation, turning block 18 takes place to rotate with placing 2, after turning block 18 rotates 90 degrees, remove the pulling force that is used in on card pole 20, briquetting 22 and the laminating of PCB board top surface this moment, can carry out the pressfitting to the PCB board fixed, avoid the PCB board phenomenon that rocks to appear when the pickling, guarantee the stability of PCB board pickling process.

When the utility model is used, the PCB is pickled by the sprayer 6, before pickling, the movable plate 10 is positioned in the accommodating cavity 14, after the PCB is placed in the accommodating cavity, the piston rod of the cylinder 12 passes through the pore 15 and is fixed with the movable plate 10, the cylinder 12 pushes the movable plate 10 to move horizontally, the limiting groove 17 on the movable plate 10 passes through the inside of the placing seat 2, and the cleaning brush 11 contacts with the top surface and the bottom surface of the PCB to sweep and scrape the surface of the PCB in a reciprocating manner, so that welding residues on the surface of the PCB can be removed conveniently;

the PCB board is put into and is placed seat 2 in, and turning block 18 takes place to rotate with placing seat 2, and briquetting 22 and the laminating of PCB board top surface can carry out the pressfitting to the PCB board fixed, avoid the PCB board phenomenon that appears rocking when the pickling, guarantee the stability of PCB board pickling process.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments that do not depart from the technical scope of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a PCB production is with pickling equipment, includes pickling case (1), its characterized in that: inner chamber both sides wall difference fixed mounting of pickling case (1) places seat (2) and guide holder (13), the surface of guide holder (13) is equipped with and holds chamber (14), and the inside of guide holder (13) is equipped with pore (15), the inside matching that holds chamber (14) installs fly leaf (10), the inner wall of fly leaf (10) is installed and is used for clean brush (11) to the PCB board, and the surface of fly leaf (10) is equipped with spacing groove (17), highly being greater than the thickness of placing seat (2) of spacing groove (17), the surface mounting of pickling case (1) has cylinder (12), the piston rod tip of cylinder (12) pass pore (15) and with the fixed surface of fly leaf (10).

2. The pickling apparatus for PCB production as recited in claim 1, wherein a top surface of the guide seat (13) is provided as an inclined surface.

3. The pickling equipment for PCB production as recited in claim 1, wherein a pickling pump (3) is installed on one side surface of the pickling tank (1), a reflux chamber (9) is arranged at the bottom of the pickling tank (1), a liquid inlet end of the pickling pump (3) is connected with a liquid inlet pipe (4) communicated with the reflux chamber (9), a liquid outlet end of the pickling pump (3) is connected with a liquid outlet pipe (5) entering the top of an inner cavity of the pickling tank (1), and a spray head (6) for pickling PCB is installed on the top surface of the liquid outlet pipe (5).

4. The pickling apparatus for PCB production as recited in claim 1, wherein a liquid outlet (7) is disposed in an inner cavity of the pickling tank (1) near a lower portion of the placing seat (2), and a filter screen (8) is installed inside the liquid outlet (7).

5. The pickling apparatus for PCB production as recited in claim 1, wherein a flow-through cavity is formed on a bottom surface of the inner cavity of the placing seat (2).

6. The pickling equipment for PCB production as recited in claim 5, wherein the top surface of the placing seat (2) is rotatably provided with a rotating block (18) for fixing the PCB, a cavity (19) is formed in one end surface of the rotating block (18), a clamping rod (20) is arranged inside the cavity (19), a pressing block (22) is fixedly connected to the bottom surface of the clamping rod (20), a spring (21) is sleeved outside the clamping rod (20) and between the pressing block (22) and the cavity (19), and the bottom surface of the pressing block (22) is in contact with the PCB.