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Electrophoretic coating water blowing method and water blowing device

An electrophoretic coating and water blowing technology, applied in electrolytic coatings, electrophoretic plating, coatings, etc., can solve the problems of poor working environment, high labor cost, and low work efficiency for operators

Inactive Publication Date: 2015-04-29
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, domestic electrophoretic coating production lines, except for large-scale electroplating enterprises that use fully automatic production lines, generally use the method of operators holding water blowers before the plated parts enter the oven, which requires high labor costs, low work efficiency, and poor working conditions for operators.

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  • Electrophoretic coating water blowing method and water blowing device
  • Electrophoretic coating water blowing method and water blowing device
  • Electrophoretic coating water blowing method and water blowing device

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Embodiment Construction

[0033] The present invention will be further described below, but the present invention is not limited to the following examples.

[0034] A water blowing method for electrophoretic coating provided by the invention comprises the following steps:

[0035] 1) Blowing: on at least one side of the painted piece, a number of airflows are sprayed from the nozzle 3 arranged obliquely downward, and the water on the surface of the painted piece is blown off;

[0036] 2) Sweeping: move the nozzle back and forth in the horizontal direction, and at the same time reciprocate in the vertical direction, so that the air flow will be displaced in both the horizontal direction and the vertical direction, and the water on the surface of the coating will be completely dried.

[0037] Both sides of the coating piece are sprayed with several streams of airflow from obliquely downwardly arranged nozzles, and the airflows on both sides are distributed symmetrically.

[0038] The water blowing devic...

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Abstract

The invention relates to a water blowing method and a water blowing device used for an electrophoretic coating production line. The invention aims at providing a method and a device which can complete water blowing operation before a coated part enters a drying oven to reduce the production cost and ensure the quality of the coated part. According to the technical scheme, an electrophoretic coating water blowing device comprises at least one water blowing mechanism, wherein each water blowing mechanism comprises a base, at least one pillar, at least one beam, a group of spraying nozzles, at least one cross sliding platform and a driving mechanism for the cross sliding platform; and the pillar is vertically fixed on the base, the beam is installed on the pillar through the cross sliding platform and arranged perpendicular to the pillar, a longitudinal sliding rail of the cross sliding platform is fixed on the pillar, a transverse sliding rail of the cross sliding platform is fixed on the beam, and the group of spraying nozzles is installed on the beam and arranged along the length direction of the beam. An electrophoretic coating water blowing method comprises the following steps: (1) air blowing: blowing off water on the surface of the coated part; and (2) air sweeping: blowing the water on the surface of the coated part completely until the coated part is dry.

Description

technical field [0001] The invention relates to the technical field of electrophoresis, in particular to a water blowing method and a water blowing device used in an electrophoretic coating production line. Background technique [0002] Electrophoretic coating (electro-coating) is a coating method that uses an external electric field to make the particles such as pigments and resins suspended in the electrophoretic liquid directional migrate and deposit on the surface of one of the electrodes. It is the most cost-effective construction process for water-based coatings. It has the characteristics of water solubility, non-toxicity, and easy automatic control, and has been widely used in industries such as automobiles, building materials, hardware, and home appliances. [0003] The electrophoretic coating process generally consists of four main processes: pre-coating pretreatment, electrophoretic coating, post-electrophoretic cleaning, and drying of the electrophoretic coating ...

Claims

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Application Information

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IPC IPC(8): C25D13/00
Inventor 赵玉铃李小腾黄帅
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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