阅读说明：本技术 一种非矩形纹多色铝板的喷涂工艺 (Spraying process of non-rectangular grain multicolor aluminum plate ) 是由 郭永忠 杨照军 夏登宏 刘超 杨轶 于 2020-11-05 设计创作，主要内容包括：本发明公开了一种非矩形纹多色铝板的喷涂工艺,包括如下步骤：铝板毛坯钣金加工,去氧化打磨处理；采用激光扫描定位喷涂图形图案；底漆喷涂烘干；对不同的图形图案进行顺序喷涂、固化；粘附保护膜,完成生产；本发明通过激光扫描定位图形图案,然后根据不同的图形图案依次进行喷涂,喷涂效果好,生产出适应市场需求的有造型有图案有LOGO的外装多色铝板。(The invention discloses a spraying process of a non-rectangular grain multicolor aluminum plate, which comprises the following steps: sheet metal processing of an aluminum plate blank, and deoxidation and polishing treatment; positioning and spraying a pattern by laser scanning; spraying and drying the primer; sequentially spraying and curing different patterns; adhering a protective film to finish production; according to the invention, the pattern of the pattern is positioned by laser scanning, and then spraying is carried out in sequence according to different patterns, so that the spraying effect is good, and the externally-mounted multicolor aluminum plate which is suitable for market demands and has a shape, a pattern and a LOGO is produced.)

1. The spraying process of the non-rectangular pattern multicolor aluminum plate is characterized in that: the method comprises the following steps:

step one, aluminum substrate pretreatment: performing sheet metal machining on the aluminum plate blank, then performing deoxidation polishing on the surface of the machined aluminum plate, cleaning to remove surface impurities after polishing is completed, and then drying for later use;

step two, determining a spraying pattern: scanning and positioning the pattern by laser according to the color and the pattern;

step three, primer spraying: spraying primer on the aluminum plate dried in the step one to form a primer layer, and after spraying is finished, preheating and drying at 60-80 ℃ for 8-10 minutes;

step four, spraying finish paint: spraying the aluminum plate sprayed with the primer in the third step according to the different graphic patterns positioned by laser scanning in the second step in a selected spraying sequence, and performing fixed irradiation after the spraying is finished;

step five, adhering a protective film: and (4) adhering a protective film made of a transparent material on one side to the surface of the aluminum plate after the spraying is finished around the step, and finishing the production of the aluminum plate.

2. The spraying process of the non-rectangular pattern multicolor aluminum plate as claimed in claim 1, wherein the spraying process comprises the following steps: in the first step, the sheet metal machining step comprises the following steps: the method comprises the steps of plate shearing and blanking, scribing and angle opening, angle code punching, bending and forming, welding and splicing, reinforcing rib adding, laser punching and polishing.

3. The spraying process of the non-rectangular pattern multicolor aluminum plate as claimed in claim 1, wherein the spraying process comprises the following steps: and the primer layer in the third step is fluorocarbon series water-based paint.

4. The spraying process of the non-rectangular pattern multicolor aluminum plate as claimed in claim 1, wherein the spraying process comprises the following steps: and in the fourth step, accumulative superposition spraying is adopted until the fluorocarbon colorful surface layer is reached.

5. The spraying process of the non-rectangular pattern multicolor aluminum plate as claimed in claim 1, wherein the spraying process comprises the following steps: the top paint layer in the fourth step is formed by compositely spraying a plurality of color paints.

Technical Field

The invention relates to the technical field of aluminum plate spraying, in particular to a spraying process of a non-rectangular pattern multicolor aluminum plate.

Background

The development of the aluminum-plastic panel industry for more than ten years now becomes the inner and outer walls of domestic large buildings, landmark buildings and high-grade residential buildings, the process is mature, the production scale is large, the construction is simple, the appearance is various, and the market prospect is on the rise and immeasurable.

With the development of times and the great leap of urban construction, the consumption level of residents rises in pace with the taste of life, and the traditional aluminum-plastic plate with simple appearance, single color and stuffiness is difficult to meet the requirements of people on high-quality comfortable life. Diversified and colorful aluminum plates are more and more favored, so the applicant develops an external colorful aluminum plate with a pattern of LOGO according to market demands.

Disclosure of Invention

The invention mainly aims to provide a spraying process of a non-rectangular grain multicolor aluminum plate, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: a spraying process of a non-rectangular pattern multicolor aluminum plate comprises the following steps:

step one, aluminum substrate pretreatment: performing sheet metal machining on the aluminum plate blank, then performing deoxidation polishing on the surface of the machined aluminum plate, cleaning to remove surface impurities after polishing is completed, and then drying for later use;

step two, determining a spraying pattern: scanning and positioning the pattern by laser according to the color and the pattern;

step three, primer spraying: spraying primer on the aluminum plate dried in the step one to form a primer layer, and after spraying is finished, preheating and drying at 60-80 ℃ for 8-10 minutes;

step four, spraying finish paint: spraying the aluminum plate sprayed with the primer in the third step according to the different graphic patterns positioned by laser scanning in the second step in a selected spraying sequence, and performing fixed irradiation after the spraying is finished;

step five, adhering a protective film: and (4) adhering a protective film made of a transparent material on one side to the surface of the aluminum plate after the spraying is finished around the step, and finishing the production of the aluminum plate.

Preferably, in the step one, the sheet metal machining step includes: the method comprises the steps of plate shearing and blanking, scribing and angle opening, angle code punching, bending and forming, welding and splicing, reinforcing rib adding, laser punching and polishing.

Preferably, the primer layer in the third step is a fluorocarbon series water-based paint.

Preferably, the step four adopts accumulative superposition spraying until the fluorocarbon colorful surface layer is reached.

Preferably, the top paint layer in the fourth step is formed by compositely spraying a plurality of color paints.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the pattern of the pattern is positioned by laser scanning, and then spraying is carried out in sequence according to different patterns, so that the spraying effect is good, and the externally-mounted multicolor aluminum plate which is suitable for market demands and has a shape, a pattern and a LOGO is produced.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

A spraying process of a non-rectangular pattern multicolor aluminum plate comprises the following steps:

step one, aluminum substrate pretreatment: performing sheet metal machining on the aluminum plate blank, then performing deoxidation polishing on the surface of the machined aluminum plate, cleaning to remove surface impurities after polishing is completed, and then drying for later use;

step two, determining a spraying pattern: scanning and positioning the pattern by laser according to the color and the pattern;

step three, primer spraying: spraying primer on the aluminum plate dried in the step one to form a primer layer, and after spraying is finished, preheating and drying at 60-80 ℃ for 8-10 minutes;

step four, spraying finish paint: spraying the aluminum plate sprayed with the primer in the third step according to the different graphic patterns positioned by laser scanning in the second step in a selected spraying sequence, and performing fixed irradiation after the spraying is finished;

step five, adhering a protective film: and (4) adhering a protective film made of a transparent material on one side to the surface of the aluminum plate after the spraying is finished around the step, and finishing the production of the aluminum plate.

In this embodiment, in the first step, the sheet metal working includes: the method comprises the steps of plate shearing and blanking, scribing and angle opening, angle code punching, bending and forming, welding and splicing, reinforcing rib adding, laser punching and polishing.

In this embodiment, the primer layer in step three is a fluorocarbon water-based paint.

In this embodiment, the cumulative overlapping spraying is adopted in the fourth step until the fluorocarbon colorful surface layer is reached.

In this embodiment, the top paint layer in the fourth step is formed by compositely spraying a plurality of color paints.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.