Feed hopper dust collecting device of powder coating spraying equipment

The utility model relates to the technical field of dust collecting devices, in particular to a dust collecting device for a feeding hopper of powder coating spraying equipment. According to the technical scheme, butt-joint openings are formed in the two sides of the lower end of a hopper body, a dust collection sleeve is fixedly connected to the lower end of the hopper body in a sleeving mode, butt-joint pipes are installed on the two sides in the dust collection sleeve in a penetrating mode, the outer ends of the butt-joint pipes are inserted into the corresponding butt-joint openings, and protective nets are fixed to the outer ends of the butt-joint pipes. Assembling grooves are formed in the lower ends of the two sides of the dust collecting sleeve, filter cartridges are arranged in the assembling grooves, exhaust ports are formed in the upper ends of the two sides of the dust collecting sleeve, separation nets are fixed to openings of the exhaust ports, fans are installed at the top ends of the interiors