Automatic conveying device for paper box auxiliary film laminating with high film laminating flatness

The invention discloses an automatic conveying device for paper box auxiliary film laminating with high film laminating flatness. The automatic conveying device structurally comprises a conveying frame, a cover frame and a film feeding device, wherein the conveying frame and the cover frame are locked; and the film feeding device is arranged on the cover frame and composed of a square film structure and an arc-shaped film structure, the square film structure and the arc-shaped film structure are arranged on the cover frame, and the square film structure and the arc-shaped film structure are same in structure. According to the automatic conveying device for the paper box auxiliary film laminating with the high film laminating flatness, a film layer is firstly conveyed in a rectangular shapethrough a square barrel film outlet plate and then conveyed to an arc-shaped film plate to be conveyed out in a spiral mode, so that covering wrapping from top to bottom is achieved; and the square barrel film outlet plate g