Large-diameter bottle blank clamping and transferring mechanism

The utility model provides a large-caliber bottle blank clamping and transferring mechanism which comprises a clamping jaw unit, and the clamping jaw unit comprises a mounting base, a telescopic driving piece vertically and fixedly mounted on the mounting base, and a plurality of clamping jaw assemblies distributed around the telescopic axis of the telescopic driving piece, and one end of each clamping jaw assembly is hinged to the mounting base. The linkage assembly is connected between the bottom telescopic end of the telescopic driving part and the multiple clamping jaw assemblies, and the correction assembly is fixedly connected with the bottom telescopic end of the telescopic driving part; the clamping jaw unit of the multi-jaw structure clamps multiple points of the side wall of the wide-mouth bottle blank through opening and closing movement, and the correcting assembly is arranged and can stretch out to be matched and abut against the bottom of the wide-mouth bottle blank so that the position of the i