Arc inner wall spraying equipment

The utility model discloses arc inner wall spraying equipment which comprises a base and a lifting module arranged on the base, a transverse moving module is arranged at the output end of the lifting module, a spraying module is arranged at the end of the transverse moving module, and the spraying module comprises a rotating air cylinder fixed to the end of the transverse moving module. A spray gun mounting frame is arranged at the output end of the rotary air cylinder, a swing air cylinder and a spray gun head are hinged to the spray gun mounting frame, the middle position of the spray gun head is hinged to the end of the spray gun mounting frame, the output end of the swing air cylinder is hinged to the rear end of the spray gun head, and the rotary air cylinder can drive the spray gun head to rotate. And the oscillating cylinder can drive the spray gun head to oscillate. The arc inner wall spraying equipment has the advantages of being high in automation degree, high in working efficiency, low in labor int