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Circuit board spraying device

A technology of spraying device and circuit board, applied in the direction of spraying device, etc., can solve the problems of increasing labor force, inconvenient to fix horizontally, and inconvenient for double-sided painting of circuit board, etc., and achieve the effect of increasing convenience and increasing practicability.

Active Publication Date: 2022-04-15
东莞塘厦裕华电路板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Before the circuit board is painted, it is not convenient to fix it horizontally, which leads to the phenomenon of paint flow and dripping on the surface of the circuit board when it is tilted;
[0005] 2. It is not convenient to automatically process the double-sided painting of the circuit board through the device, and it usually needs to be manually turned over by hand, thereby increasing the labor force;
[0006] 3. When the device is in use, the time and gravity of the paint mist sprayed by the nozzle and the surface of the circuit board are not the same, which further leads to the problem of dripping and unevenness of the circuit board;

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see Figure 1-6 The clamping mechanism 9 includes a pull rod 901 engaged on the inside of the support plate 8, and a return spring 902 is installed on the outside of the front end of the pull rod 901, and a rubber block 903 is fixed on the front end of the pull rod 901. Skateboard 1001, and the rear side of the slideboard 1001 is provided with a second spring telescopic rod 1002, the right side of the second spring telescopic rod 1002 is connected with an extruded telescopic rod 1003, and the pull rod 901 and the skateboard 1001 are respectively connected with the support plate 8 through sliding, and the skateboard The rear side of 1001 and the end of the second spring telescopic rod 1002 are welded and fixed, the inner side of the slide plate 1001 and the outer side of the circuit board form an inlaid bonding structure, the support plate 8 and the base 1 are parallel to each other, and the front and rear sides above the base 1 are welded with racks board 101, and the i...

Embodiment 2

[0036] see figure 1 , image 3 , Figure 5 and Figure 7-8 The difference from Embodiment 1 is that the adjustment mechanism 5 includes a two-way screw rod 501 bearing connected to the inner side of the box body 3, and a slider 502 is threaded on the outside of the two-way screw rod 501, and a fan-shaped cavity 401 is arranged above the connecting plate 4 , and the inner side of the connecting plate 4 is respectively fixed with branch pipes 402, the fan-shaped cavity 401 is connected with a paint inlet pipe 403, and the inner side of the connecting plate 4 is provided with a through hole 404, and the through hole 404 communicates with the branch pipe 402. The bottom of the box body 3 A connecting pipe 301 is connected through it, and a convex groove 302 is stamped on the inner bottom of the box body 3. The convex groove 302 is in the shape of a square hole. The block 502 and the box body 3 form a sliding structure, and the bottom of the slider 502 is in contact with the top...

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Abstract

The invention discloses a circuit board spraying device which comprises a base, the inner side of the base is in key connection with a chain wheel mechanism through a driving shaft, and the inner side of a connecting plate is provided with an adjusting mechanism capable of adjusting the paint spraying range according to the width of a circuit board. Clamping mechanisms capable of horizontally clamping and fixing circuit boards with different widths are arranged on the inner sides of the two supporting plates, each clamping mechanism comprises a pull rod clamped on the inner side of the corresponding supporting plate, and a rubber block is fixed to the front end of each pull rod; the horizontal retreating mechanism comprises a sliding plate clamped on the inner side of the supporting plate. By means of the adjusting mechanism and the convex groove, it can be guaranteed that paint on the surface of a circuit board adheres in a uniform paint mist shape and with the same weight, then the problem that the circuit board is not uniform during paint spraying is avoided, in addition, a heating and heat preservation layer is arranged on the inner wall of the box body, redundant paint after cutting can be recycled, and the paint spraying efficiency is improved. Therefore, waste generated during paint spraying of the circuit board is avoided.

Description

technical field [0001] The invention relates to the technical field of circuit boards, in particular to a circuit board spraying device. Background technique [0002] The names of circuit boards are: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, high frequency board, PCB, ultra-thin circuit board and ultra-thin circuit board, printing (copper etching Technology) circuit board, etc. The circuit board makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and the optimization of the layout of electrical appliances. The circuit board can be called a printed circuit board or a printed circuit board, and the FPC circuit board (FPC circuit board is also called a flexible circuit board). , an excellent flexible printed circuit board, with high wiring density, light weight, thin thickness, and good bendability), and soft and hard combination plates (...

Claims

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Application Information

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IPC IPC(8): B05B13/02B05B12/22B05B12/16B05B14/00B05B12/08
CPCY02P70/10
Inventor 李大鹏黄本顺
Owner 东莞塘厦裕华电路板有限公司
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