Spraying device for Venturi dynamic circulation self-adjusting nano coating

The spraying device comprises a supporting disc and supporting legs arranged on the lower portion in an array mode, push type spraying generating assemblies are arranged on the lower portions of the inner side walls of the supporting legs, and outer spraying moving assemblies are arranged on the upper portions of the inner side walls of the supporting legs. Venturi dynamic circulation self-adjusting outer spraying mechanisms are arranged on the outer spraying moving assembly in an array mode, a self-adjusting inner spraying assembly is arranged in the middle of the outer spraying moving assembly, a self-adaptive centering clamping spraying rotating mechanism is arranged in the middle of the supporting disc, and a spraying self-adjusting lifting assembly is arranged on the upper wall of the supporting disc. The invention belongs to the field of spraying devices, and particularly relates to a Venturi dynamic circulation self-adjusting nano coating spraying device which is compact in structure, easy and convenie