Indoor spraying robot

The utility model provides an indoor spraying robot, which comprises a chassis on which universal wheels and driving wheels are arranged, and a vertical cabinet arranged on the chassis, and is characterized in that a lifting column, a translation mechanism which moves up and down along the lifting column, and a spraying mechanism which horizontally moves along the translation mechanism and is provided with a spraying pipe are arranged on the vertical cabinet; wherein the lifting column is connected to the vertical cabinet through the first-stage lifting mechanism, the translation mechanism is connected to the lifting column through the second-stage lifting mechanism, and the spray pipe is connected to the translation mechanism through the rotating platform. Coating of indoor working faces of buildings such as walls or ceilings is achieved, the labor intensity of workers in the spraying operation process is reduced to the maximum extent, and harm of toxic and harmful materials to human bodies is avoided. Meanw