Cooling gas exhaust structure of plasma cutting torch

The utility model relates to the technical field of cutting torch cooling, and discloses a plasma cutting torch cooling gas exhaust structure which comprises a plasma cutting torch body, an exhaust channel used for exhausting cooling gas is arranged on the plasma cutting torch body, a gas guide pipe is communicated with the exhaust channel, a cooling water tank is connected to the wall of a shell of the plasma cutting torch body, and the cooling water tank is connected with the plasma cutting torch body. The cooling water tank is filled with cooling liquid, the end, away from the exhaust channel, of the air guide pipe penetrates through the tank wall of the cooling water tank and is connected with a bent heat exchange pipe, the other end of the heat exchange pipe penetrates through the tank wall of the cooling water tank and is connected with a hose, and a position adjusting assembly is connected between the hose and the cooling water tank. The cooling speed of the workpiece is increased, and deformation and