Improved stone thicknessing machine

The utility model provides an improved stone thicknessing machine which comprises a supporting table, and a supporting frame is welded to the periphery of the lower end of the supporting table. Side tables are welded to the periphery of the inner wall of the supporting table, and side tables are welded to the periphery of the lower portion of the inner wall of the supporting frame. A lifting dragging table is inserted into the inner side of the supporting table; threaded vertical rods are in threaded connection with the front and rear parts of the left side in the lifting dragging table; a first stepping motor is mounted on the upper surface of the side table through bolts; the upper side in the lifting dragging table is coupled with a rotating table; a PLC is installed at the front end of the supporting table through bolts. A machining, positioning and overturning treatment frame structure is supported at the upper end of the supporting table. Through the arrangement of the machining, positioning and overtur