Traction system of BOPET (Biaxially Oriented Polyester) film

The utility model discloses a traction system of a BOPET (Biaxially Oriented Polyethylene Terephthalate) film and belongs to the technical field of film production. The device comprises a machine frame, a side edge guide wheel assembly, a first traction roller assembly, a thickness gauge, a dust remover and a second traction assembly, the side edge guide wheel assembly, the first traction roller assembly, the thickness gauge, the dust remover and the second traction assembly are sequentially arranged on the machine frame, the dust remover comprises a long-strip-shaped outer shell, and a long-strip-shaped inner shell is arranged in the outer shell; a vacuum cavity is formed between the outer shell and the inner shell, a generating cavity is formed in the inner shell, and a plurality of ultrasonic generators are installed on the inner wall of the inner shell. Through the arrangement of the side edge guide wheel assembly and the dust remover, in the traction process of a film, ultrasonic dust removal can be cond