CN215091228U

CN215091228U - Wave-soldering protection cover applied to printed circuit board

Info

Publication number: CN215091228U
Application number: CN202121200969.5U
Authority: CN
Inventors: 刘延河
Original assignee: Qingdao Feihong Precision Electronic Technology Co ltd
Current assignee: Qingdao Feihong Precision Electronic Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-10
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a be applied to printed circuit board's wave-soldering safety cover relates to circuit board technical field, when welding to circuit board wave-soldering, because wave-soldering needs a large amount of soldering tin to continuously melt the boiling, so soldering tin spatters the top of circuit board easily, leads to the circuit misconnection on the circuit board, the problem that the circuit board damaged appears, the scheme that now proposes, the top of hook plate all is fixed with the mount, is located the left side the inside of mount is fixed with first cylinder, the inside solenoid valve that is fixed with in left side of first cylinder, the inside cover of first cylinder is equipped with first piston, the right side of first piston is fixed with the second cylinder, the inside cover of second cylinder is equipped with the second piston, the bottom of second piston is fixed with the third cylinder. The utility model discloses automatically, cover the circuit board, carry out the splashproof protection to the circuit board, reduce the loss that the circuit board damaged and caused, this device carries out rapid cooling to the circuit board moreover, improves production efficiency.

Description

Wave-soldering protection cover applied to printed circuit board

Technical Field

The utility model relates to a circuit board technical field especially relates to a be applied to printed circuit board's wave-soldering safety cover.

Background

Wave soldering is the soldering process in which the soldering surface of a plug-in board is directly contacted with high-temperature liquid tin to achieve the purpose of soldering, the high-temperature liquid tin keeps an inclined surface, and the liquid tin forms a wave-like phenomenon by a special device, so the wave soldering is called wave soldering, and the main material of the wave soldering is a soldering tin bar.

Because wave soldering needs a large amount of soldering tin to melt and boil continuously, the soldering tin is easy to splash above the circuit board, so that the circuit on the circuit board is connected wrongly, and the circuit board is damaged, so that the wave soldering protective cover applied to the printed circuit board is provided.

Disclosure of Invention

The utility model provides a pair of be applied to printed circuit board's wave-soldering safety cover has solved because wave-soldering needs a large amount of soldering tin to continuously melt the boiling, so soldering tin spatters the top of circuit board easily, leads to the circuit misconnection on the circuit board, the problem that the circuit board damaged appears.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wave-soldering safety cover for printed circuit board, includes two hook plates, the top of hook plate all is fixed with the mount, is located the left side the inside of mount is fixed with first cylinder, the inside solenoid valve that is fixed with in left side of first cylinder, the inside cover of first cylinder is equipped with first piston, the right side of first piston is fixed with the second cylinder, the inside cover of second cylinder is equipped with the second piston, the bottom of second piston is fixed with the third cylinder, the bottom of third cylinder is fixed with first safety cover, the inside cover of third cylinder is equipped with the third piston, the right side of third piston is fixed with the fourth cylinder, the inside cover of fourth cylinder is equipped with the fourth piston, the bottom of fourth piston is fixed with the second safety cover.

Preferably, a first air pipe is fixed inside the first piston and the second cylinder, and the first air pipe enables the first cylinder and the second cylinder to be communicated.

Preferably, a second air pipe is fixed inside the second piston and the third cylinder, and the second air pipe enables the second cylinder to be communicated with the third cylinder.

Preferably, a third air pipe is fixed inside the third piston and the fourth cylinder, and the third air pipe enables the third cylinder and the fourth cylinder to be communicated.

Preferably, the left side is located the bottom of mount is fixed with the fixed block, the right side of fixed block is fixed with the fan, is located the left side the inside of mount is fixed with the air pump.

Preferably, the top of the two hook plates is provided with a welding body, and the first protective cover and the second protective cover the top of the welding body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation first trachea, second trachea and third trachea isotructure, wherein first cylinder is released the inside third cylinder of second cylinder and is made first safety cover the left half section of the welding body through first trachea, then the second cylinder is released the inside fourth cylinder of third cylinder through the second trachea, the third cylinder is released the inside second safety cover of fourth cylinder and is covered the right half section at the welding body through the third trachea, this device novel in design, easy operation covers the circuit board automatically, carry out splash protection to the circuit board, reduce the loss that the circuit board damage caused, moreover, this device carries out rapid cooling to the circuit board, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of an unclamping structure of a wave soldering protection cover applied to a printed circuit board according to the present invention;

fig. 2 is a schematic view of a first three-dimensional structure of a wave-soldering protection cover applied to a printed circuit board according to the present invention;

fig. 3 is a schematic diagram of a second three-dimensional structure of a wave-soldering protection cover applied to a printed circuit board according to the present invention;

fig. 4 is a third schematic perspective view of the wave soldering protection cover applied to the printed circuit board according to the present invention.

In the figure: the welding machine comprises a hook plate 1, a fixing frame 2, a first air cylinder 3, an electromagnetic valve 4, a first piston 5, a second air cylinder 6, a second piston 7, a third air cylinder 8, a first protective cover 9, a third piston 10, a fourth air cylinder 11, a fourth piston 12, a second protective cover 13, a first air pipe 14, a second air pipe 15, a third air pipe 16, a fan 17, an air pump 18 and a welding body 19.

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.

Referring to fig. 1-4, an embodiment provided by the present disclosure, a wave-soldering protection cover applied to a printed circuit board, includes two hook plates 1, fixing frames 2 are fixed at the tops of the hook plates 1, a first cylinder 3 is fixed inside the fixing frame 2 located on the left side, a solenoid valve 4 is fixed inside the left side of the first cylinder 3, a first piston 5 is sleeved inside the first cylinder 3, a second cylinder 6 is fixed on the right side of the first piston 5, a second piston 7 is sleeved inside the second cylinder 6, a third cylinder 8 is fixed at the bottom of the second piston 7, a first protection cover 9 is fixed at the bottom of the third cylinder 8, a third piston 10 is sleeved inside the third cylinder 8, a fourth cylinder 11 is fixed on the right side of the third piston 10, a fourth piston 12 is sleeved inside the fourth cylinder 11, and a second protection cover 13 is fixed at the bottom of the fourth piston 12.

In this embodiment, a first air pipe 14 is fixed inside the first piston 5 and the second cylinder 6, and the first air pipe 14 communicates the first cylinder 3 and the second cylinder 6.

In this embodiment, a second air pipe 15 is fixed inside the second piston 7 and the third cylinder 8, and the second air pipe 15 connects the second cylinder 6 and the third cylinder 8.

In this embodiment, a third air pipe 16 is fixed inside the third piston 10 and the fourth cylinder 11, and the third air pipe 16 connects the third cylinder 8 and the fourth cylinder 11.

In this embodiment, a fixing block is fixed to the bottom of the left side fixing frame 2, a fan 17 is fixed to the right side of the fixing block, and an air pump 18 is fixed to the inside of the left side fixing frame 2.

In this embodiment, the top of the two hook plates 1 is provided with a welded body 19, and the first protective cover 9 and the second protective cover 13 cover the top of the welded body.

Working principle, first, the welded body 19 is put on the two hook plates 1, the air pump 18 is started, the first electromagnetic valve 4 is opened, and the following description is given: when gas enters the first cylinder 3, the gas enters the other cylinders through the three gas pipes, but the gas is sleeved in the first cylinder 3, so the gas cannot push out the other cylinders, so the other cylinders can be pushed out only after the first cylinder 3 is completely pushed out, when the other cylinders are pushed out, the other cylinders cannot be pushed out if the gas is not completely pushed out, when the gas enters the first cylinder 3 and pushes the first piston 5 and the second cylinder 6 to move right, and after the second cylinder 6 is completely pushed out, the second cylinder 6 cannot be pushed out continuously, the gas enters the second cylinder 6 through the first gas pipe 14 and pushes the third cylinder 8 to move down, the third cylinder 8 covers the first protective cover 9 on the welding body 19, until the welding body 19 is covered by half, and when the third cylinder 8 is completely pushed out, the gas enters the fourth cylinder 11 through the second gas pipe 15 and pushes the fourth piston 12 and second safety cover 13 push down, and second safety cover 13 covers the other half of the welding body 19 after pushing out completely, covers the top that prevents soldering tin from spattering the welding body 19 completely to this, drives mount 2 and the welding body 19 that is covered and removes and carry out wave-soldering when removing the frame, and after wave-soldering ended, fan 17 rotated and carries out rapid cooling to it, made soldering tin solidify completely, made the welding body rapid cooling.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The wave-soldering protection cover applied to the printed circuit board comprises two hook plates (1) and is characterized in that a fixing frame (2) is fixed at the top of each hook plate (1), a first cylinder (3) is fixed inside the fixing frame (2) on the left side, a solenoid valve (4) is fixed inside the left side of the first cylinder (3), a first piston (5) is sleeved inside the first cylinder (3), a second cylinder (6) is fixed on the right side of the first piston (5), a second piston (7) is sleeved inside the second cylinder (6), a third cylinder (8) is fixed at the bottom of the second piston (7), a first protection cover (9) is fixed at the bottom of the third cylinder (8), a third piston (10) is sleeved inside the third cylinder (8), and a fourth cylinder (11) is fixed on the right side of the third piston (10), the inside cover of fourth cylinder (11) is equipped with fourth piston (12), the bottom of fourth piston (12) is fixed with second safety cover (13).

2. A wave solder shield for printed circuit boards according to claim 1 wherein the first piston (5) and the second cylinder (6) have a first air tube (14) fixed inside, the first air tube (14) connecting the first cylinder (3) and the second cylinder (6).

3. A wave solder shield for printed circuit boards according to claim 1 wherein a second air tube (15) is fixed inside the second piston (7) and the third cylinder (8), the second air tube (15) connecting the second cylinder (6) and the third cylinder (8).

4. A wave solder shield for printed circuit boards according to claim 1 wherein a third air tube (16) is fixed inside the third piston (10) and the fourth cylinder (11), the third air tube (16) connecting the third cylinder (8) and the fourth cylinder (11).

5. The wave soldering protection cover applied to the printed circuit board according to claim 1, characterized in that a fixed block is fixed at the bottom of the fixed frame (2) at the left side, a fan (17) is fixed at the right side of the fixed block, and an air pump (18) is fixed inside the fixed frame (2) at the left side.

6. A wave soldering protection cover applied to a printed circuit board according to claim 1, characterized in that the tops of the two hook plates (1) are provided with soldering bodies (19), and the first protection cover (9) and the second protection cover (13) cover the tops of the soldering bodies.