Disclosed is a round
screen printing plate
machine of a round concave
wallpaper printer. The round
screen printing plate
machine of the round concave
wallpaper printer comprises a round screen drive device, a round
screen printing plate and a connection device connected with the round screen drive device and the round screen printing plate, wherein the round screen printing plate comprises a round screen printing plate roller, and round screen printing plate seats which are respectively arranged at two ends of the round screen printing plate roller, the round screen printing plate seats are in circular ring shape, one face of each round screen printing plate seat is connected with one end of the round screen printing plate roller, a plurality of bulges which are evenly distributed are arranged on the other face of each round screen printing plate seat, the connection device comprises a plate seat clamp ring and a tight locking device, the plate seat clamp ring is in annulus shape, one face of the plate seat clamp ring is connected with a
drive shaft of the round screen drive device, a plurality of grooves which are evenly distributed are formed in the annulus inner wall of the plate seat clamp ring, the bulges and the grooves are superposed, and the tight locking device fixes the plate seat clamp ring and the round screen printing plate seats. The round screen printing plate
machine of the round concave
wallpaper printer has the advantages that the tight locking device fixes the plate seat clamp ring and the round screen printing plate seats, the plate seat clamp ring and the round screen printing plate seats synchronously run, and influences on printing accuracy of wallpaper, caused by mechanical tolerance and intervals among the plate seat clamp ring and the round screen printing plate seats, are eliminated.