Air bag type floating scraper device for guide belt of circular screen printer

An air bag type floating scraper device for a guide belt of a circular screen printer comprises scraper assemblies arranged below the guide belt of the circular screen printer. Each scraper assembly is provided with a scraper and a scraper frame, moving bases are arranged under the scraper frames, air bag type floating mechanisms are arranged between the moving bases and the scraper frames, each air bag type floating mechanism comprises an installation groove formed in the top of the corresponding moving base and a floating cover covering the installation groove in an inverted mode, the scraper frames are arranged above the floating covers, air bags enabling the floating covers to float are arranged in the installation grooves, bottom holders are arranged below the moving bases, sliding tracks perpendicular to the axis of the guide belt are arranged on the bottom holders, and rolling wheels matched with the sliding tracks are arranged on the moving bases. By the arrangement of the air bags and the floating scraper frames, the scrapers are appropriately attached to the guide belt of the circular screen printer, the scraping effect on the guide belt is improved, cleanness of the guide belt is guaranteed, and therefore printing quality is improved; by the arrangement of the installation grooves and the floating covers, the air bags are fixed and prevented from rolling, stability of the device is guaranteed, and the finished product rate is increased.