Device for automatically detecting and screening wall thickness of polymer plastic bottle blank

The utility model discloses a macromolecule plastic bottle blank wall thickness automatic detection and screening device which comprises a base, a plurality of square grooves are evenly formed in the upper end face of the base, grooves are formed in the front end face and the rear end face of the inner wall of each square groove, and electric push rods B are fixedly installed on the inner walls of the grooves. The other end of the electric push rod B is fixedly connected with a bottom plate, a semicircular groove is formed in the upper end face of the bottom plate, a transverse groove is formed in the lower portion of the front end face of the base, a collecting box is movably arranged on the inner side of the transverse groove, a collecting groove is formed in the upper end face of the collecting box, and a PLC is fixedly installed on one side of the outer surface of the base. A vertical plate is fixedly installed on the rear end face of the base, and a top plate is fixedly installed above the front end face