Rapid dust removal device of lathe

The rapid dust removal device comprises a lathe main body, a dust collection cover is embedded in an outer cover of a machining area of the lathe main body, and a dust collection mechanism is arranged on the back face of the lathe main body. The dust collection mechanism comprises a dust collection box fixedly arranged on the back face of the lathe body and a dust collection fan embedded in the side face of the dust collection box, the dust outlet end of the dust collection fan extends into the dust collection box, and the dust collection end of the dust collection fan is provided with a dust collection pipe communicated with the dust collection cover. And a mounting cavity, a scrap iron removing cavity and a dust collecting cavity are formed in the dust collecting box, and an electromagnetic rod is rotationally arranged on the inner wall of the scrap iron removing cavity. Compared with the prior art, the rapid dust removal device of the lathe can magnetically adsorb scrap iron in dust under the action of the