Automatic glue removing device for screen

The utility model relates to an automatic glue removing device for a screen, which comprises a base, a sliding seat arranged on the base, a bottom plate arranged on the sliding seat, a supporting plate arranged on the bottom plate, a carrier plate arranged on the supporting plate and used for positioning the screen, a supporting frame arranged on the base, a supporting column connected between the supporting frame and the base, and a positioning plate connected on the supporting column in a sliding mode. A fixing plate is arranged on the upper portion of the supporting frame and located above the positioning plate, an air cylinder is arranged on the fixing plate, the air cylinder is in driving connection with the positioning plate and used for driving the positioning plate to vertically move up and down, the lower portion of the positioning plate is rotationally connected with a glue removing roller through a first positioning block, and the glue removing roller is matched with a screen in a rolling mode and