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Automatic powder spraying line for automobile wheel hub finishing components and technique thereof

A technology for automobile wheel hubs and decorative parts, which is applied to spray devices, liquid spraying equipment, and devices for coating liquid on surfaces, etc., can solve the problems of high spray pressure, low production efficiency, low efficiency, etc., and achieve uniform powder distribution, The effect of saving resources

Active Publication Date: 2009-12-16
GUANGZHOU JINZHONG AUTO PARTS MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are mainly two methods for the spray pretreatment process. These two process methods correspond to two types of nozzles, V-type and W-type. Low production efficiency; W-type nozzles, that is, centrifugal nozzles, have small impact force and large flow rate, and are suitable for spraying treatment of small products, but their spraying pressure is high, and the surface coating of products is not uniform enough. The efficiency of the shower pretreatment process is low and the quality is poor

Method used

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  • Automatic powder spraying line for automobile wheel hub finishing components and technique thereof
  • Automatic powder spraying line for automobile wheel hub finishing components and technique thereof
  • Automatic powder spraying line for automobile wheel hub finishing components and technique thereof

Examples

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Effect test

Embodiment 1

[0033] like figure 1 , 2 As shown, an automatic powder spraying line for automobile wheel hub decorations, including a pure water filter device 1 for providing pure water for the powder spray line, a pretreatment device 2, a pretreatment moisture drying device 3, an automatic dust blowing device 4, Automatic powder spraying device 5, curing device 6, conveying guide rail 7. The pure water filter device 1 includes a tap water tank 11 , a water pump device 12 , a filter device 13 , and a pure water tank 14 in sequence. The tap water tank 11 can store a certain amount of tap water, and the stored tap water is transferred to the filter device 13 through the water pump device 12, and the tap water becomes pure water with an electrical conductivity less than 10 after sand filtration and carbon filtration, and is stored in the pure water tank 14 , this part of pure water will be transported to each washing tank in the pretreatment device 2 through pipelines.

[0034] The pretreatm...

Embodiment 2

[0040] like image 3 As shown, an automatic powder spraying process for automobile wheel hub decorations, this powder spraying process is mainly suitable for metal automobile wheel hub decorations, especially aluminum or aluminum alloy decorations, and its process steps are as follows:

[0041] (1) Degreasing the product, soaking the product in an alkaline solution with a temperature between 55° and 60° and a pH value between 10 and 12 for 55 to 60 seconds;

[0042] (2) Carry out secondary degreasing treatment on the product, soak the product in an alkaline solution with a temperature between 55°-60° and a pH value between 10-12 for 55-60 seconds;

[0043] (3) Clean the product, and soak the product in a neutral solution with a pH value between 10 and 12 for 55 to 65 seconds at room temperature; this process is repeated three times to initially remove the residual alkaline solution on the product;

[0044] (4) Carry out acidic neutralization treatment to the product. At room ...

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Abstract

The invention relates to an automatic powder spraying line for automobile wheel hub finishing components and a technique thereof; the production line comprises a pure water filtration system for providing pure water for the power spraying line, a pretreatment device, a pretreatment water content drying device, an automatic dust blowing device, an automatic powder spraying device, a solidifying device and a conveying lead rail; wherein, the pretreatment device sequentially comprises a pickling tank, alkaline wash tank and a passivation tank; the automatic powder spraying device comprises a tank body, a powder spraying gun, a powder storage tank, a powder sucking device, a constant temperature and humidity device. The production technique has the following steps: 1) alkali degreasing, 2) product surface cleaning, 3) drying, 4) dust abatement, 5) power spraying, 6) solidification. The production line of the invention features high degree of automation, suitability for mass production, high output benefits and low cost; in addition, the production technique equipped with the production line is more reasonable, components produced by the coating method of powder spraying has more uniform surface color and thickness.

Description

technical field [0001] The invention relates to the surface processing technology of metal devices, in particular to an automatic powder spraying line and a powder spraying process of automobile wheel hub decorations. Background technique [0002] At present, the coating technology content of the domestic wheel hub decoration industry is generally low, and its main coating technology adopts the spray pretreatment process. There are mainly two methods for the spray pretreatment process. These two process methods correspond to two types of nozzles, V-type and W-type. Low production efficiency; W-type nozzles, that is, centrifugal nozzles, have small impact force and large flow rate, and are suitable for spraying treatment of small products, but their spraying pressure is high, and the surface coating of products is not uniform enough. The shower type pretreatment process has low efficiency and poor quality. So there is an urgent need for a new automatic production process to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C19/04B05C21/00B05B5/08B05B15/00B05D7/14B05D3/00B05D3/02B05D3/10
Inventor 辛洪萍李小敏胡圣哲陈福威
Owner GUANGZHOU JINZHONG AUTO PARTS MFG
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