Plastic spraying process for high-adhesion coating layers

A high-adhesion, coating technology, applied in the coating, the device for coating liquid on the surface, the pretreatment surface, etc., can solve the problems of rough ceramic film, imperfect pretreatment process, unevenness, etc. Fine and uniform, fine and uniform spraying effect, good quality effect

Inactive Publication Date: 2019-06-25
杜弗尼工程机械(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The pretreatment process of the common plastic spraying process on the market is not perfect, and the formula of the potion is not clear, so that the effect achieved by the subsequent spraying is not good, and the coating is easy to bulge and uneven
[0006] 2. The common spraying process on the market generally sends the pre-treated workpiece directly into the spraying area, which makes the effect of surface adjustment and vitrification poor, and the formed vitrified film is rough and uneven, and may also produce bottoming phenomenon, thus It also affects the spraying effect of subsequent workpieces

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A plastic spraying process for a high-adhesion coating, comprising the following steps:

[0041] ① Hanger: First check whether the structure of the hanger is good, whether the conductivity of the contact part with the workpiece is good, and replace the damaged or poorly contacted hanger in time; check whether the workpiece has bruises, scratches and rust, and put the qualified workpiece into the loading area ;Clean the welding slag and dirt at the bottom of the cabinet with a rag; protect the studs or parts of the workpiece with stud protection sleeves or tape paper to protect the grounding studs of the outer cabinet first with gaskets and then with protective sleeves; Select the correct hanger for the workpiece to be sprayed; hang the hanger on the hook of the conveyor chain, and confirm that the suspension is good; when loading the workpiece, the workpiece should be handled correctly, pay attention to safety, ensure that the hanging position of the workpiece is correct...

Embodiment 2

[0058] A plastic spraying process for a high-adhesion coating, comprising the following steps:

[0059] ① Hanger: First check whether the structure of the hanger is good, whether the conductivity of the contact part with the workpiece is good, and replace the damaged or poorly contacted hanger in time; check whether the workpiece has bruises, scratches and rust, and put the qualified workpiece into the loading area ;Clean the welding slag and dirt at the bottom of the cabinet with a rag; protect the studs or parts of the workpiece with stud protection sleeves or tape paper to protect the grounding studs of the outer cabinet first with gaskets and then with protective sleeves; Select the correct hanger for the workpiece to be sprayed; hang the hanger on the hook of the conveyor chain, and confirm that the suspension is good; when loading the workpiece, the workpiece should be handled correctly, pay attention to safety, ensure that the hanging position of the workpiece is correct...

Embodiment 3

[0076] A plastic spraying process for a high-adhesion coating, comprising the following steps:

[0077] ① Hanger: First check whether the structure of the hanger is good, whether the conductivity of the contact part with the workpiece is good, and replace the damaged or poorly contacted hanger in time; check whether the workpiece has bruises, scratches and rust, and put the qualified workpiece into the loading area ;Clean the welding slag and dirt at the bottom of the cabinet with a rag; protect the studs or parts of the workpiece with stud protection sleeves or tape paper to protect the grounding studs of the outer cabinet first with gaskets and then with protective sleeves; Select the correct hanger for the workpiece to be sprayed; hang the hanger on the hook of the conveyor chain, and confirm that the suspension is good; when loading the workpiece, the workpiece should be handled correctly, pay attention to safety, ensure that the hanging position of the workpiece is correct...

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PUM

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Abstract

The invention discloses a plastic spraying process for high-adhesion coating layers. The process comprises several steps of: hanging of workpieces; pretreatment: the pre-degreasing, the degreasing, the primary water washing, the secondary water washing, the surface adjustment, the vitrification, the ternary water washing, the fourth-time water washing and the pure water washing are performed on the hung workpieces in succession; dehydration and drying; plastic powder spraying; curing; cooling; and inspection. The invention discloses a medicine liquid formula for the pretreatment in the plasticspraying process; and four water washing procedures are arranged in the pretreatment procedure, so that products and remained medicaments after reactions before water washing can be cleaned through flushing. The process feeds the dried workpieces into a spraying area after pretreatment to form compact vitrified film layers on the surfaces of the workpieces, so that the texture is fine and uniform, the bottom exposure phenomenon is not generated, and the spraying effect is also fine and uniform.

Description

technical field [0001] The invention belongs to the field of plastic spraying technology, in particular to a plastic spraying process of a coating with high adhesion. Background technique [0002] Plastic spraying is a surface treatment method that sprays plastic powder on parts. Plastic spraying is also what we often call electrostatic powder spraying coating, and its treatment process is a kind of metal surface treatment decoration technology that has been widely used in the world since the 1980s. Compared with ordinary painting surface treatment, this technology has the advantages of advanced technology, energy saving and high efficiency, safety and reliability, and bright color. Therefore, it is often used in the fields of light industry and home decoration. [0003] The working principle of plastic spraying is to charge the plastic powder through a high-voltage electrostatic device, and under the action of an electric field, spray the paint onto the surface of the wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D7/14B05D3/10B05D3/02
Inventor 刘飞刘文陈泓吉
Owner 杜弗尼工程机械(苏州)有限公司
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