Glass cutting device

The utility model relates to the technical field of mobile phone screen processing. The glass cutting device comprises a rack, cutting box, a box cover is rotatably mounted at the upper end of the cutting box body through a hinge; protrusions are fixedly installed on the surface of the inner side of the box cover. A supporting plate is fixedly mounted at the upper end of the cutting box body; a placing groove is formed in the upper surface of the supporting plate; the supporting plate is located above the containing groove. A cutting groove is formed in the middle of the supporting plate. An inner groove is formed in the middle of the inner side surface of the box cover; a bracket is fixedly mounted in the cutting box body and is positioned below the supporting plate; an electric telescopic oil cylinder is fixedly mounted above the bracket; and a mounting plate is fixedly mounted at the upper end of the electric telescopic oil cylinder, a micro motor is mounted on one side of the upperend of the mounting plat