Lathe for machining surveying and mapping instrument

The utility model discloses a lathe for surveying and mapping instrument processing, and relates to the technical field of surveying and mapping instrument processing. The device comprises a spindle box, a triangular chuck is arranged on the left side wall of the spindle box, a control host is fixedly installed on the front side wall of the spindle box, a machining platform is fixedly installed on the left side wall of the spindle box, an ejector pin mechanism is arranged in the machining platform, and a position adjusting mechanism is arranged on the surface of the machining platform. The turning tool is fixedly installed through the turning tool rest, the turning tool is driven by the position adjusting mechanism to move so as to achieve turning of parts, the grinding tool is inserted into the grinding tool cavity, the grinding tool is fixed under the action of the fixing bolt, the grinding tool is driven by the position adjusting mechanism to move, and the turning tool is fixed through the position adjusti