Paint spraying piece for paint spraying teaching, paint spraying device and teaching method

Abstract

The invention discloses a paint spraying piece for paint spraying teaching, a paint spraying device and a teaching method. The invention belongs to the field of paint spraying teaching. The paint spraying piece comprises a paint spraying receptor and a color changing layer attached to one side of the paint spraying receptor, and color-changing silica gel particles are evenly distributed in the color changing layer. After a spray gun is held by hand, water is evenly sprayed to the color changing layer on the paint spraying piece, the color changing layer is photographed through a CCD camera, the color effect obtained after paint spraying is accurately processed through image recognition, the objective score of the paint spraying effect is obtained, and the learning process of students is recorded. The paint spraying piece has the following beneficial effects: the characteristic that color-changing silica gel particles change color when meeting water is utilized; the color changing layeron which color-changing silica gel particles are uniformly distributed is attached to the surface of the paint spraying receptor; paint sprayed out of the spray gun is replaced with water, the paintspraying uniformity is evaluated according to the color changing situation of the color-changing silica gel particles, water spraying is adopted in the whole process, the evaluation standard adopts the principle that silica gel changes color when meeting water, the effect is visual and accurate, and blind-spot-free detection is achieved.

Description

technical field [0001] The invention relates to the field of painting teaching, in particular to a painting piece for painting teaching, a painting device and a teaching method. Background technique [0002] The traditional teaching and training of spray painting is mainly through the movement of the spray gun by the students, and the paint is sprayed out by the spray gun. The students spray the painted parts by adjusting the speed of the moving spray gun and the swing angle of the spray gun. And the student needs long-term spraying training to train excellent spraying technique, like this, will make the consumption of paint and parts to be sprayed increase, and the cost of spraying teaching is high, and, the pungent smell that paint has, also will have a strong impact on students of good health. [0003] Changing the teaching method of painting, especially using other materials instead of paint is an improved method in the teaching and training of painting, which can achie...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the prior art, such as large physical harm to students, large evaluation errors, and test blind spots, the present invention provides a paint-spraying piece for spray-painting teaching, a paint-spraying device and a teaching method. , a layer of color-changing silica gel particles evenly distributed on the surface of the spray paint receptor is attached, and the paint sprayed from the spray gun is replaced by water. Discoloration is used to evaluate the uniformity of spray paint. Water spray is used in the whole process, and the evaluation standard adopts the principle of silica gel discoloration when it encounters water. The effect is intuitive and accurate, and no blind spot detection is realized.

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