Gluing device and method for easy-to-uncover laminated composite printing paper

The invention relates to an easy-to-uncover gluing device for laminated composite printing paper, which comprises a rack and a suction cup mounted on the upper end face of the rack, a liftable screen printing plate is arranged above the suction cup, a scraper and a glue return knife which ascend and descend along with the screen printing plate are arranged above the screen printing plate, the scraper and the glue return knife simultaneously move left and right, and the scraper and the glue return knife are contacted with the screen printing plate at different times. The release paper is coated with glue by arranging the screen printing plate and the scraper, the length and the width of the glue leaking part of the screen printing plate are smaller than those of the release paper, so that the length and the width of the coated glue are smaller than those of the release paper, the edges of the two layers of release paper are not provided with glue, and subsequent uncovering is facilitated. 本发明涉及一种易揭开的夹胶复合打印纸的涂胶