Front air curtain device of driver seat of heading machine

The utility model discloses a front air curtain device for a driver seat of a heading machine, which comprises an operating platform, a seat plate is arranged in an inner cavity of the operating platform, a mounting groove is arranged on the front side of the seat plate, a backup plate is arranged in an inner cavity of the mounting groove, and a fixing plate is arranged on the back of the operating platform. Through cooperative use of a fixing plate, an air receiving pipe, an air outlet, a supporting plate, a draught fan, an air outlet pipe, an air inlet pipe, a wrapping layer and a vertical pipe, air sucked in by the draught fan is conveyed into an inner cavity of the vertical pipe; after the gas is conveyed into the inner cavity of the vertical pipe, the gas in the vertical pipe is conveyed into the inner cavity of the air receiving pipe through the plurality of air inlet pipes to prevent the phenomenon of air leakage and air leakage, and finally an air curtain screen shape is formed in front of a driver se