Optical lens precision machining device

The invention discloses an optical lens precision machining device, and belongs to the technical field of optical lens machining, the optical lens precision machining device comprises a machining table, a supporting column is fixedly mounted on one side of the upper end of the machining table, the upper end of the supporting column is connected with a grinding assembly, and a fixing assembly is arranged below the grinding 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. Through cooperative use of the sliding groove, th