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Method for spraying paint on turned edge of steel barrel

A steel drum and curling technology is applied in the field of paint spraying and paint spraying on steel drum curling, which can solve problems such as affecting the appearance and incompatibility, and achieve the effect of convenient operation and convenient spraying.

Active Publication Date: 2011-02-23
WUXI SIFANG YOUXIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this process is used for production, the paint on the curling edge of the clamping wheel cannot be sprayed, and the paint needs to be manually repaired. The uneven paint repair will affect the appearance more or less, and it is not suitable for automatic assembly line production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment one: a kind of spraying method of paint at the edge of a steel drum, comprising the following process steps:

[0015] (1) External surface treatment: According to the weight ratio: water: coating agent: nonylphenol polyoxyethylene ether = 10:0.3:0.3, the phosphating solution is prepared, and the outer surface of the steel drum is evenly wiped with phosphorus on the drum brushing machine. chemical solution; the coating agent is phosphoric acid;

[0016] (2) Preheating: Place the steel drum after wiping the phosphating solution on the drying tunnel assembly line for preheating. The temperature of the drying tunnel is 60°C, the length of the drying tunnel is 8 meters, and the conveying speed of the steel drum is 2.8 m / minute;

[0017] (3) Painting: Send the steel drum into the painting system to spray paint on the steel drum;

[0018] (4) Spray paint at the crimp: Use a spray gun to spray paint on the crimp of the painted steel drum. When spraying, the steel ...

Embodiment 2

[0019] Embodiment two: a method for spraying paint at the edge of a steel drum, comprising the following process steps:

[0020] (1) External surface treatment: by weight: water: coating agent: nonylphenol polyoxyethylene ether = 12: 0.4: 0.4, prepare a phosphating solution, and evenly wipe the phosphorus on the outer surface of the steel drum on a drum brushing machine. chemical solution; the coating agent is phosphate.

[0021] (2) Preheating: Place the steel drum after wiping the phosphating solution on the drying tunnel assembly line for preheating. The temperature of the drying tunnel is 70°C, the length of the drying tunnel is 10 meters, and the conveying speed of the steel drum is 3.7 m / minute;

[0022] (3) Painting: Send the steel drum into the painting system to spray paint on the steel drum;

[0023] (4) Spray paint at the crimp: Use a spray gun to spray paint on the crimp of the painted steel drum. When spraying, the steel drum rotates evenly at a speed of 26 rpm...

Embodiment 3

[0024] Embodiment three: a method for spraying paint at the edge of a steel drum, comprising the following process steps:

[0025] (1) External surface treatment: by weight ratio: water: coating agent: nonylphenol polyoxyethylene ether = 11:0.35:0.35, prepare a phosphating solution, and evenly wipe the phosphorus on the outer surface of the steel drum on a drum brushing machine. Chemical solution; The coating agent is a mixture of phosphoric acid and phosphate, and the weight ratio of phosphoric acid and phosphate is 55:45;

[0026] (2) Preheating: Place the steel drum after wiping the phosphating solution on the drying tunnel assembly line for preheating. The temperature of the drying tunnel is 65°C, the length of the drying tunnel is 9 meters, and the conveying speed of the steel drum is 3 meters / minute;

[0027] (3) Painting: Send the steel drum into the painting system to spray paint on the steel drum;

[0028] (4) Spray paint at the crimp: Use a spray gun to spray pain...

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PUM

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Abstract

The invention relates to a method for spraying paint on a turned edge of a steel barrel. The method is characterized by comprising the following steps of: (1) outer surface treatment: preparing phosphorization solution from water, coating agent and degreasing cleaning agent in a weight ratio of 10-12: 0.3-0.4: 0.3-0.4, and uniformly wiping the phosphorization solution on the outer surface of the steel barrel on a barrel brushing machine; (2) pre-heating: placing the steel barrel wiped with the phosphorization solution on a production line of a drying passage for preheating, wherein the temperature of the drying passage is 60 to 70 DEG C, the length of the drying passage is 3 to 10 meters, and the conveying speed of the steel barrel is 2.8 to 3.7 meters per minute; (3) spraying: conveying the steel barrel to a paint spraying system and spraying the paint on the steel barrel; and (4) paint spraying on the turned edge: spraying the paint on the turned edge of the paint sprayed steel barrel by using a spray gun, wherein the steel barrel rotates uniformly when spraying the paint, and the rotating speed is 24 to 26 revolutions per minute. The degreasing cleaning agent is nonylphenol polyoxyethylene ether. The coating agent is phosphoric acid and / or phosphate. The method is convenient to operate and effective; and the paint on the turned edge of the steel barrel is attractive and has good adhesive force.

Description

technical field [0001] The invention relates to a paint spraying technology, in particular to a paint spraying method at the edge of a steel drum, and belongs to the field of steel drum manufacturing. Background technique [0002] With the development of global economic integration, the steel drum manufacturing industry, as a traditional industry, is used in more and more industries. The export volume of packaging and goods is also increasing year by year, and the usage is increasing year by year. The steel drum industry is also gradually moving towards automation. Assembly line development. Therefore, steel drum production enterprises conform to the development needs, and are breaking the traditional production process and product structure, constantly researching the development direction of steel drum technology, and increasing development efforts and the application of new technologies and processes. The traditional process of painting the surface of steel drums is to c...

Claims

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Application Information

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IPC IPC(8): B05D3/02B05D3/10B65D25/34B05B13/02
Inventor 茆林凤
Owner WUXI SIFANG YOUXIN
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