This invention provides an automated window
film applicator for packaging boxes, belonging to the technical field of window film applicators for packaging boxes. It includes a
conveyor belt, a transfer table on one side of the
conveyor belt, and a feeding mechanism, an
adhesive applicator, and a window
film applicator assembly sequentially arranged along the feeding direction on the top of the
conveyor belt. The window
film applicator assembly includes a longitudinal linear module mounted on the top of the transfer table. A mounting plate is fixedly connected to the moving end of the longitudinal linear module, and two film applicators are arranged on one side of the mounting plate. This invention designs the film applicators as a structure with a sliding fit between a negative pressure box and a floating box. The bottom of the floating box is connected to a flexible suction plate with distributed micropores. An indentation on the bottom plate of the floating box forms a negative pressure distribution cavity with the negative pressure holes. This design ensures that the negative pressure is evenly distributed across the entire surface of the film, avoiding localized
stress concentration caused by point suction cups, reducing problems such as depressions, bulges, and bubbles during film adsorption, and ensuring the flatness and adhesion of the window area.