A spraying equipment for spraying propaganda slogans on street walls

Abstract

The invention discloses a spraying equipment for spraying publicity slogans on street walls, comprising a base, a mechanical arm is arranged on the base, a spray head is arranged on the upper end of the mechanical arm, a nozzle assembly is arranged inside the spray head, and the nozzle The assembly includes a water baffle that is rotatably connected to the inner wall of the left end of the nozzle. The invention uses a mechanical arm to drive the nozzle to move, and the nozzle part can be sprayed according to the size of the water flow to set a unit area, so as to realize the adjustment of the thickness of the writing, and through the up and down exchange The switching switch can realize the switching back and forth between the cleaning water pipe part and the paint circulation part. After a single spray setting and writing a promotional slogan, the nozzle part can be cleaned to ensure that the nozzle part will not leave paint and pollute the next paint color.

Description

technical field [0001] The invention relates to the technical field of image communication, in particular to a spraying equipment for spraying publicity slogans on street walls. Background technique [0002] Street walls are often used to spray the latest promotional slogans to provide the latest information to passers-by. However, traditional wall slogans are written manually in the form of brushes or spray guns. [0003] Wherein there is a problem: the mouth of a brush or spray gun will leave the last color, which will be mixed with the next color, which will affect the appearance. The manual handwriting of the two is limited to the craftsmanship of the workers, and the identity of the font cannot be achieved. The present invention illustrates a device capable of solving the above-mentioned problems. Contents of the invention [0004] technical problem: [0005] Hand-held brushes or spray guns are used to smear and write slogans, and the colors are easy to mix, which ...

AI Technical Summary

Problems solved by technology

However, the traditional writing of slogans on the wall is done manually in the form of brushes or spray guns.

[0003] There are problems: the mouth of a brush or spray gun will leave the last color, which will be mixed with the next color, which will affect the appearance. The handwriting of the two is limited to the craftsmanship of the workers, and the identity of the font cannot be achieved.

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