Aircraft shell coating processing equipment capable of reducing thermal expansion coefficient

The utility model relates to airplane shell coating processing equipment capable of reducing the thermal expansion coefficient. The airplane shell coating processing equipment comprises a processing tank, a mixing mechanism is arranged on the processing tank, two feeding pipes are fixed to the upper surface of the processing tank, supporting legs are fixed to the periphery of the bottom of the processing tank, and a discharging pipe is fixed to the lower surface of the processing tank; the mixing mechanism comprises a sleeve rotationally connected with the top end of the processing tank, a rotating rod is rotationally connected to the inner side of the sleeve, a driving assembly is arranged between the rotating rod and the sleeve, supporting rods are fixed to the bottoms of the left end and the right end of the sleeve, and a barrel-shaped premixing box is fixed to the ends, away from the sleeve, of the supporting rods. According to the aircraft shell coating processing equipment capable of reducing the therma