Air draft discharging device for cutting machine

The utility model belongs to the field of cutting machine air draft technical equipment, and particularly relates to an air draft discharging device for a cutting machine, which comprises a cutting machine frame body, the cutting machine frame body comprises two symmetrically arranged ventilation air ducts, a cutting machine support and a grating plate convenient for placing workpieces, an air draft device is arranged on the side, corresponding to the ventilation air channel, of the cutting machine frame body and comprises an F-shaped air draft pipe, a connecting pipe designed in a conical shape is arranged at the end of the air draft pipe, a plurality of spoilers are evenly arranged in the connecting pipe, a limiting plate is arranged below the grating plate, and the spoilers are arranged in the limiting plate. A storage buffer shell designed to be in a hollow rectangular shape is arranged below the limiting plate, and an opening and closing mechanism is arranged on the side, close to the wind blocking assem