CN213514755U

CN213514755U - Printed circuit board drying device for electronic component production

Info

Publication number: CN213514755U
Application number: CN202021672507.9U
Authority: CN
Inventors: 李培
Original assignee: Jiangsu Farui'ao Electric Technology Co ltd
Current assignee: Jiangsu Farui'ao Electric Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-06-22
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a printed circuit board drying device is used in electronic components production, the power distribution box comprises a box body, the inboard bottom of box is equipped with the heating wire, there is the case lid at the top of box through the hinge mount, there is the aspiration pump at the top of case lid through the trachea intercommunication, the air outlet of aspiration pump has the drying cabinet through the trachea intercommunication, one side of drying cabinet is linked together through trachea and box. The utility model discloses a set up the heating wire in the box and be used for sending the heat, the heat circulation that the aspiration pump drove in the box flows, dries the circuit board, and in the steam that has humidity entered into the drying cabinet, the drier in the drying cabinet can absorb steam, and during dry heat entered into the box via the trachea again, improved thermal utilization ratio.

Description

Printed circuit board drying device for electronic component production

Technical Field

The utility model relates to a printed circuit board makes technical field, specifically is a printed circuit board drying device is used in electronic components production.

Background

Printed circuit boards are one of the important components of the electronics industry. In the production process of the printed circuit board, a plurality of wet manufacturing processes are involved, such as circuit etching treatment, surface roughening treatment and the like, and the printed circuit board needs to be dried in time after the treatment; meanwhile, the soldering flux can better combine the device and the soldering pad together after the temperature of the printed circuit board is raised to a certain degree, so that the soldering effect is improved, and the printed circuit board also needs to be dried.

However, in the prior art, when the printed circuit board is dried, the temperature in the drying device can be directly discharged, which causes heat waste, and when the circuit board is placed on the drying disc, the surface of the circuit board is shielded, which is not beneficial to drying the circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a production of electronic components is with printed circuit board drying device, the heat circulation flow in the aspiration pump drives the box, dries the circuit board, and in the steam that has humidity entered into the drying cabinet, the drier in the drying cabinet can absorb steam, and during dry heat entered into the box via the trachea again to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a printed circuit board drying device for electronic component production comprises a box body, wherein an electric heating wire is arranged at the bottom of the inner side of the box body, a box cover is mounted at the top of the box body through a hinge, the top of the box cover is communicated with an air suction pump through an air pipe, an air outlet of the air suction pump is communicated with a drying box through an air pipe, and one side of the drying box is communicated with the box body through an air pipe;

the inner side of the box body is provided with a slide rail, the outer part of the slide rail is connected with a slide block in a sliding manner, one side of the slide block is provided with a cylinder body, the inner part of the cylinder body is provided with a spring, the end part of the spring is provided with a limiting plate, and one side of the limiting plate is fixedly provided with a clamping plate;

limiting rings are fixed on two sides of the interior of the box body, pull rods are movably inserted into the limiting rings, and cross rods are fixedly connected between the lower ends of the two groups of pull rods.

Preferably, a threaded hole is formed in the slider, and a rubber head screw is connected to the inner thread of the threaded hole.

Preferably, one side of the box body is provided with an air hole, and an air filter is arranged in the air hole.

Preferably, one side of the clamping plate is provided with a limiting groove, and the lower end of the limiting groove is provided with a limiting block.

Preferably, a net punching partition plate is arranged on the inner side of the box body and is positioned above the electric heating wire.

Preferably, a drying box cover is installed at the top of the drying box through a hinge, and a sealing gasket is bonded on the inner side of the drying box cover.

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

1. the utility model discloses a set up the heating wire in the box and be used for sending heat, the aspiration pump drives the heat circulation flow in the box, dries the circuit board, and the steam that has humidity enters into the drying cabinet, and the drier in the drying cabinet can absorb steam, and dry heat enters into the box again through the trachea, has improved thermal utilization ratio;

2. the utility model discloses set up the cylinder body through slide rail, slider in the inboard of box, spring in the cylinder body can extrude splint and carry out the centre gripping circuit board, is convenient for to the fixed of circuit board, only the limit portion of centre gripping circuit board moreover for the circuit board surface does not shelter from, does benefit to the stoving, simultaneously, adjusts the position of cylinder body through removing the slider, thereby can adjust the interval between circuit board and the circuit board.

Drawings

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

FIG. 2 is a schematic sectional view of the cylinder body of the present invention;

fig. 3 is a schematic view of the top view structure of the box body of the present invention.

In the figure: 1. a box body; 2. an electric heating wire; 3. a box cover; 4. a drying oven; 5. a slide rail; 6. a slider; 7. a cylinder body; 8. a spring; 9. a limiting plate; 10. a splint; 11. a limiting ring; 12. a pull rod; 13. a cross bar; 14. a threaded hole; 15. a rubber head screw; 16. air holes; 17. a limiting groove; 18. a limiting block; 19. punching a net clapboard; 20. drying the box cover; 21. a gasket; 22. an air pump.

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 to 3, the present invention provides a technical solution: a printed circuit board drying device for electronic component production comprises a box body 1, wherein a heating wire 2 is arranged at the bottom of the inner side of the box body 1, the printed circuit board can be electrically heated to 200 ℃ below the alloy allowable maximum use temperature in dry air so as to be beneficial to drying the circuit board, a mesh punching partition plate 19 is arranged at the inner side of the box body 1, the mesh punching partition plate 19 is positioned above the heating wire 2, the heating wire 2 is isolated, and the circuit board is prevented from falling onto the heating wire 2;

the box cover 3 is arranged at the top of the box body 1 through a hinge and is fixed on the box body 1 through a hasp lock, so that the box cover 3 can be conveniently disassembled and assembled, the top of the box cover 3 is communicated with an air suction pump 22 through an air pipe, an air outlet of the air suction pump 22 is communicated with the drying box 4 through an air pipe and is used for storing a drying agent, the drying box cover 20 is arranged at the top of the drying box 4 through a hinge, so that the drying agent can be conveniently replaced, a sealing gasket 21 is bonded on the inner side of the drying box cover 20, the sealing performance is improved, the drying box cover is fixed through the hasp lock, one side of the drying box 4 is communicated with the box body 1 through an air pipe, the air suction pump 22 can accelerate heat diffusion and can also pump out water vapor, an air hole 16 is formed in one side of the box body 1, so;

the inner side of the box body 1 is provided with a slide rail 5, the outer part of the slide rail 5 is connected with a slide block 6 in a sliding manner, a threaded hole 14 is formed in the slide block 6, the inner thread of the threaded hole 14 is connected with a rubber head screw 15, so that the position of the slide block 6 can be conveniently fixed, one side of the slide block 6 is provided with a cylinder body 7, the inner part of the cylinder body 7 is provided with a spring 8, the end part of the spring 8 is provided with a limiting plate 9, one side of the limiting plate 9 is fixedly provided with a clamping plate 10, one side of the clamping plate 10 is provided with a limiting groove 17, the lower end of the limiting groove 17 is provided with a limiting block 18 for clamping and fixing a;

all be fixed with spacing ring 11 in the inside both sides of box 1, the inside activity of spacing ring 11 is pegged graft there is pull rod 12, fixedly connected with horizontal pole 13 between the lower extreme of two sets of pull rods 12, when taking out the circuit board, through pull rod 12 pulling horizontal pole 13 rise, can rise the circuit board, the circuit board of being convenient for take out.

The working principle is as follows: adjust the position of slider 6 as required, and fix a position through gluing first screw 15, make spring 8 in the cylinder body 7 can extrude splint 10 and carry out the centre gripping circuit board, be convenient for to the fixed of circuit board, only the limit portion of centre gripping circuit board, make the circuit board surface not shelter from, do benefit to the stoving, 2 circular telegrams of heating wire in the box 1 give out heat, open the heat circulation flow that aspiration pump 22 drove in the box 1, dry the circuit board, the steam that has humidity enters into drying cabinet 4, drier in the drying cabinet 4 can absorb steam, dry heat enters into box 1 via the trachea again, the thermal utilization ratio has been improved.

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 an electronic components production is with printed circuit board drying device, includes box (1), its characterized in that: the bottom of the inner side of the box body (1) is provided with an electric heating wire (2), the top of the box body (1) is provided with a box cover (3) through a hinge, the top of the box cover (3) is communicated with an air suction pump (22) through an air pipe, an air outlet of the air suction pump (22) is communicated with a drying box (4) through an air pipe, and one side of the drying box (4) is communicated with the box body (1) through an air pipe;

a sliding rail (5) is mounted on the inner side of the box body (1), a sliding block (6) is connected to the outer portion of the sliding rail (5) in a sliding mode, a cylinder body (7) is mounted on one side of the sliding block (6), a spring (8) is mounted inside the cylinder body (7), a limiting plate (9) is arranged at the end portion of the spring (8), and a clamping plate (10) is fixed on one side of the limiting plate (9);

limiting rings (11) are fixed on two sides of the interior of the box body (1), pull rods (12) are movably inserted into the interior of the limiting rings (11), and cross rods (13) are fixedly connected between the lower ends of the two groups of pull rods (12).

2. A printed circuit board drying device for electronic component production according to claim 1, characterized in that: a threaded hole (14) is formed in the sliding block (6), and a rubber head screw (15) is connected to the inner thread of the threaded hole (14).

3. A printed circuit board drying device for electronic component production according to claim 1, characterized in that: an air hole (16) is formed in one side of the box body (1), and an air filter is installed inside the air hole (16).

4. A printed circuit board drying device for electronic component production according to claim 1, characterized in that: a limiting groove (17) is formed in one side of the clamping plate (10), and a limiting block (18) is arranged at the lower end of the limiting groove (17).

5. A printed circuit board drying device for electronic component production according to claim 1, characterized in that: the inner side of the box body (1) is provided with a net flushing partition plate (19), and the net flushing partition plate (19) is positioned above the electric heating wires (2).

6. A printed circuit board drying device for electronic component production according to claim 1, characterized in that: the top of drying cabinet (4) has drying cabinet lid (20) through the hinge mount, the inboard bonding of drying cabinet lid (20) has sealed pad (21).