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A kind of production method of aluminum alloy decorative part

A production method and technology for decorative parts, applied in metal material coating process, device for coating liquid on the surface, liquid chemical plating, etc., can solve the problems of unsightly appearance and single color, and achieve good reproducibility and rich colors colorful effect

Active Publication Date: 2021-02-09
谢军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing aluminum alloys mostly use oxidation coloring, electroplating coloring, electroless plating coloring, electrophoretic coloring, vacuum electroplating coloring or spraying coloring. Usually, wax, insulating paint, tape or printing ink are used as protective materials to block non-dyed areas to obtain aluminum alloys. For decorative products, this method makes the dyed and non-dyed areas have a clear boundary, the color is single, and it is not beautiful enough

Method used

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  • A kind of production method of aluminum alloy decorative part
  • A kind of production method of aluminum alloy decorative part
  • A kind of production method of aluminum alloy decorative part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] like figure 1 As shown, prepare black aluminum alloy decorative parts, and its production method is:

[0027] (1) Preparation of decorative surface protector: the sodium hydroxide solution with a mass concentration of 20% is applied to the decorative surface of the aluminum alloy decorative part at normal temperature and pressure, and the amount of sodium hydroxide solution added is the aluminum alloy per square meter area. 350 ml of decorative parts, thickness of aluminum alloy decorative parts ≧ 0.15mm, react for 6 hours, get reaction precipitates attached to the decorative surface, wash off the loose reaction precipitates on the surface, and the remaining reaction precipitates are used as decorative surfaces protector.

[0028] (2) Then oxidize and color the aluminum alloy decorative parts treated in step (1). The thickness of the oxide film is 15 μm. After cleaning and drying, the whole process takes about 3 hours to obtain the coloring effect of the non-reaction a...

Embodiment 2

[0030] like figure 2 As shown, the gray aluminum alloy decorative part is prepared, and its production method is:

[0031] (1) Preparation of decorative surface protector: the potassium hydroxide solution with a mass concentration of 15% is applied to the decorative surface of the aluminum alloy decorative part at normal temperature and pressure, and the amount of potassium hydroxide solution added is the aluminum alloy per square meter area. 200 ml of decorative parts, aluminum alloy decorative parts thickness ≧ 0.15mm, react for 4 hours, get reaction precipitates attached to the decorative surface, wash off the loose reaction precipitates on the surface, and the remaining reaction precipitates are used as decorative surfaces protector.

[0032] (2) Then oxidize and color the aluminum alloy decorative parts treated in step (1). The thickness of the oxide film is 8 μm. After cleaning and drying, the whole process takes about 1 hour to obtain the coloring effect of the non-re...

Embodiment 3

[0034] like image 3 Shown, prepare dark brown aluminum alloy trim, its production method is:

[0035] (1) Preparation of the decorative surface protector: the sodium hydroxide solution with a mass concentration of 25% is applied to the decorative surface of the aluminum alloy decorative part at normal temperature and pressure, and the amount of the sodium hydroxide solution added is the aluminum alloy per square meter area. 500 ml of decorative parts, aluminum alloy decorative parts thickness ≧ 0.15mm, react for 8 hours, get reaction precipitates attached to the decorative surface, wash off the loose reaction products on the surface, and the remaining reaction products are used as decorative surface protectors .

[0036] (2) Then oxidize and color the aluminum alloy decorative parts treated in step (1). The thickness of the oxide film is 10 μm. The whole process takes about 1 hour. After cleaning and drying, the coloring effect of the non-reaction area of ​​the product obtai...

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Abstract

The invention discloses a production method of an aluminum alloy decorative part, which is carried out according to the following steps: (1) Preparation of a decorative surface protector: applying lye to the decorative surface of an aluminum alloy decorative part at normal temperature and pressure, reacting for 3‑24 hours, The obtained reaction precipitate is attached to the decorative surface, and the loose reaction precipitate on the surface is washed off with water, and the remaining reaction precipitate is used as a decorative surface protector; (2) the aluminum treated in step (1) is The alloy decorative parts can be finished after coloring treatment, cleaning and drying. The present invention uses the precipitate generated by the reaction of lye and aluminum alloy as the protector of the coloring process. The quantity, density, thickness, and adhesion of each part attached to the surface of the aluminum alloy decorative part are different, and part of the protector will be damaged during the coloring process. Gradually fall off or dissolve in the medium, forming many areas with different degrees of coloring. The color of the resulting product is gradual, without obvious boundaries, colorful, different shades, and mottled.

Description

technical field [0001] The invention belongs to the field of preparation of aluminum alloy decorative parts, and in particular relates to a production method of aluminum alloy decorative parts. Background technique [0002] Aluminum alloy decorative materials are processed from aluminum and aluminum alloys into various profiles, plates, strips, tubes, rods, foils, castings, forgings, etc., with light weight, high strength, good rigidity, corrosion resistance, and durability. Durable and other excellent performance. After the surface of the aluminum alloy decorative material is anodized, painted, or plastic-sprayed, it can form a variety of colors required for decoration. Existing aluminum alloys mostly use oxidation coloring, electroplating coloring, electroless plating coloring, electrophoretic coloring, vacuum electroplating coloring or spraying coloring. Usually, wax, insulating paint, tape or printing ink are used as protective materials to block non-dyed areas to obtai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/66C23C22/84C25D5/30C23C18/50C25D13/12C23C14/22B05D5/06
CPCB05D5/06C23C14/22C23C18/50C23C22/66C23C22/84C25D5/44C25D13/12
Inventor 谢军
Owner 谢军