Automatic coating device

The invention discloses an automatic coating device. The automatic coating device comprises a transversely arranged coating column core, a drive mechanism for driving rotation of the coating column core, a film feeder connected with the coating column core through a film and rotating along with the coating column core, and a controller electrically connected with the drive mechanism; at least onegroup of smart coating machines are arranged on the front side of the coating column core, each group of smart coating machines comprises a carriage electrically connected with the controller and doing reciprocating motion along the length direction of the coating column core, and a robot arm located on the carriage; a coating brush with an internal-installed spray gun is arranged on the robot arm; the spray gun sprays a desulfurization composite material on the film covering the outer surface of the coating column core and conducts shifting coating on the surface of the film through the coating brush moved along the