Wall paint spraying device

The utility model discloses a wall paint spraying device, which belongs to the technical field of paint spraying and comprises a base and a first electric slide rail mounted on the base, a first support plate is mounted on the first electric slide rail, a first electric telescopic rod is mounted on the first support plate, and a connecting frame is mounted at the output end of the first electric telescopic rod. A motor is installed at the top of the connecting frame, a cleaning brush is installed at the output end of the motor, and a paint storage box is installed at the top of the base. By arranging the motor, the motor is started to drive the cleaning brush to rotate so as to clean a wall body, floating ash on the wall body can be avoided, the paint spraying effect can be improved, by arranging the first electric telescopic rod, the cleaning brush can clean different positions of the wall body, and by arranging the conveying pump, the paint spraying effect is improved. And a conveying pump is started to pum