Precise numerical control lathe

The precise numerical control lathe comprises a lathe body, the right side of the front portion of the lathe body is movably connected with a protective door plate, the left side of an inner cavity of the lathe body is provided with a turning tool, the rear side of the inner cavity of the lathe body is fixedly connected with a rear baffle, and the front side of the rear baffle is movably connected with an adjusting seat. The right side of the adjusting seat is movably connected with a first cleaning square pipe, the first cleaning square pipe can conduct comprehensive and sufficient dust collection operation on workpieces in the lathe main body when a tool clamp in the lathe main body moves, and stubborn waste scraps left in cleaning gaps are blown away through air blowing; and then the first cleaning square pipe is matched to collect the scraps, the dust cleaning and scrap absorbing effects are more comprehensive, the internal environment of the lathe is cleaner, the pertinence of the cleaning effect is grea