Variate spray coating method for static electricity spraying robot with non-regulation planar polygon

An electrostatic spraying and polygonal technology, which is applied in the direction of the device and coating of the surface coating liquid, can solve the problems of uneven spraying, achieve the effect of reducing environmental pollution, reducing the total amount of coating, and improving the uniformity

Inactive Publication Date: 2009-02-18
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The variable spraying trajectory optimization technology is a new type of spraying technology. It is based on the shape of the workpiece, combined with the spraying parameters such as the moving speed of the rotary cup, the rotational speed, the electrostatic voltage, t

Method used

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  • Variate spray coating method for static electricity spraying robot with non-regulation planar polygon
  • Variate spray coating method for static electricity spraying robot with non-regulation planar polygon
  • Variate spray coating method for static electricity spraying robot with non-regulation planar polygon

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Embodiment 2

[0052] The present invention is further illustrated by the following examples, wherein embodiment 1 is a comparative example that does not adopt the variable spraying method of the present invention, and embodiment 2 adopts the variable spraying method of the present invention:

Embodiment 1

[0054] as attached Figure 6 The polygonal plane workpiece shown: AB=800mm, BE=3000mm, DE=1000mm, CD=1400mm, AC=1612mm, AB⊥BE, DE⊥BE, CD⊥DE; set the outer diameter of the maximum and minimum spray pattern that meets the spraying index It is: Dmax=500mm, Dmin=400mm.

[0055] Without considering the overlapping of spraying patterns, by adjusting the electrostatic voltage, spacing, rotating cup speed and translation rate so that the outer diameter of the pattern D=Dmax, the attached Figure 6 The workpiece shown is non-variable sprayed, and the cup trajectory (TCP) of the robot is shown in the attached Figure 7 As shown by the dotted line segment abcd, the path length S 0 =2*ab+2*ac=8000mm. Assuming that the coating thickness per unit area in the spray pattern is constant, assuming it is 1mm, the consumed paint C 0 =1×(2×ac×ab+ac×Dmax+π×Dmax2 / 4)=3946350mm 3 .

[0056] Example 2

[0057] Under the conditions of Example 1, the attached Figure 6 The workpiece shown was var...

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Abstract

The invention discloses an electrostatic spraying robot variable spraying method for an irregular plane polygon. At first, the diameters of a maximum spraying pattern and a minimum spraying pattern are evaluated, then a plane polygon workpiece is subjected to geometric analysis, a spraying starting edge is determined, first section of path is arranged along the starting edge, a track of real-time change of the diameter of an optimum spraying pattern is planned, and finally a polygonal plane is subjected to variable spraying. The method can optimize the spraying effect by adjusting parameters such as electrostatic voltage, spacing, rotating speed of a spinning cup, translational rate and so on. The method improves economic benefit by improving the evenness of a coating and reducing the loss of coating, and can also correspondingly reduce the total amount of the coating discharged to the environment of a spraying workshop to reduce the environmental pollution.

Description

technical field [0001] The invention relates to a spraying method of an electrostatic spraying robot, in particular to a variable spraying method for an electrostatic spraying robot with irregular plane polygons. Background technique [0002] Electrostatic spraying robot is an important advanced coating production equipment, which is widely used in the coating production line of automobiles and other products at home and abroad. For products such as automobiles, electrical appliances and furniture, the spraying effect on the surface has a considerable impact on the quality. The color of the surface of the product depends on the consistency of the coating thickness to a considerable extent. If the coating thickness of the surface is inconsistent, it will cause the surface to be rough, and there will be edge paint sagging and paint orange peel phenomenon, and the coating is too thick. Areas have a tendency to crack during use. The "manual teaching method" was commonly used i...

Claims

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Application Information

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IPC IPC(8): B05D1/04B05C11/10
Inventor 赵德安李发忠陈伟
Owner JIANGSU UNIV
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