Waste collecting device for germanium lens processing

The utility model discloses a waste collecting device for germanium lens processing, and relates to the technical field of germanium lens processing equipment. The device comprises a workbench, a waste sliding groove is formed in the upper side wall of the workbench, the bottom side wall, under a feeding port, of the workbench is connected with an upper fixing frame through bolts, an upper purifying box is assembled in the upper fixing frame, and the bottom side wall of the upper fixing frame is connected with a lower fixing frame through bolts; a lower purifying box is installed in the lower fixing frame, the bottom side wall in the upper purifying box is in threaded connection with a flow guide pipe, the inner wall of the bottom of the upper purifying box is connected with a water leakage plate through an elastic piece, and the inner wall of the bottom of the lower purifying box is connected with a purifying plate through an elastic piece. According to the utility model, large-particle crystal bar waste can