Automatic express waybill pasting device

The invention relates to the technical field of automatic bill pasting, and discloses an automatic express waybill pasting device which comprises a base, a first fixing rod is fixedly installed on the right side of the top end of the base, a rotating shaft is rotationally connected to the middle of the first fixing rod, and a semicircular disc is fixedly mounted on the surface of the rotating shaft; and a rotating rod is fixedly installed on the side, away from the first fixing rod, of the surface of the rotating shaft, a motor is fixedly installed at the front end of the rotating shaft, a connecting rod is rotationally connected to the top of the first fixing rod, a rotating disc is fixedly connected to the side, close to the semicircular disc, of the connecting rod, and a first movable rod is rotationally connected to the side, away from the semicircular disc, of the surface of the rotating shaft. When an express package is conveyed to the middle of a rack through an object dragging rod on the rack, a first