Optical lens precision machining device

The utility model discloses an optical lens precision machining device, which belongs to the technical field of optical lens machining and comprises a machining table, a supporting column is fixedly mounted on one side of the upper end of the machining table, a polishing assembly is connected to the upper end of the supporting column, and a fixing assembly is arranged below the polishing assembly. The fixing assembly comprises two sets of sliding grooves, lead screws are rotationally connected to the two ends in the sliding grooves, one ends of the lead screws penetrate through the sliding grooves and extend to the outer sides of the sliding grooves to be fixedly connected with handles, transmission mechanisms are arranged at one ends of the surfaces of the lead screws, and sliding blocks are arranged in the sliding grooves in a matched mode. The upper end of one side of the sliding block is connected with a fixing mechanism. According to the optical lens fixing device, the sliding groove, the lead screw, the