Pulling-plate-type bottle blank conveying mechanism of plastic bottle blowing machine

The invention discloses a pulling-plate-type bottle blank conveying mechanism of a plastic bottle blowing machine. The pulling-plate-type bottle blank conveying mechanism comprises a blank feeding mechanism, a conveying mechanism, a heating device and a pulling-blowing mechanism which are arranged on a rack; the conveying mechanism comprises two annular tracks, conveying plates which are evenly and alternately laid are arranged between the two annular tracks, idler wheels are arranged on the inner side walls and the outer side walls of the conveying plates correspondingly and matched with thetwo annular tracks correspondingly, and every alternate conveying plates are movably connected through an upper pulling plate and a lower pulling plate; supporting shafts are arranged in the junctionsbetween the upper pulling plates and the conveying plates as well as between the lower pulling plates and the conveying plates, bottle blank inserting seats are arranged in the supporting shafts, andplastic bottle blanks are