Automatic scribing machine for cover glass

The utility model relates to the technical field of cover glass cutting, in particular to an automatic scribing machine for cover glass, which comprises a mounting platform and a cutting knife, and a processing surface for placing the cover glass to be processed is formed on the mounting platform; an X-axis driving assembly used for driving the cutting knife to move in the X-axis direction is arranged on the mounting platform, a Y-axis driving assembly used for driving the cutting knife to move in the Y-axis direction is arranged on the X-axis driving assembly, and a Z-axis driving assembly used for driving the cutting knife to move in the Z-axis direction is arranged on the Y-axis driving assembly. The cutting knife is installed on the Z-axis driving assembly, is vertically arranged and is located above the machining face. The device has the advantages that the problem of non-uniform force when the cover glass is manually segmented is solved, and the effect of improving the segmentation quality of the cover