Deep hole machining device

The utility model discloses a deep hole machining device, which relates to the field of deep hole machining and comprises a machining table, a bottom plate fixedly connected to one side of the machining table, a machine tool guide rail fixedly connected to one side of the bottom plate, a tailstock, a sliding table and a center frame sleeved at the top end of the machine tool guide rail. The top of the sliding table is fixedly connected with a box body, a drill rod is sleeved with the box body, the outer surface of the drill rod is connected with a cutter bar supporting frame in a penetrating mode, and the machine tool guide rail is sleeved with the cutter bar supporting frame; according to the deep hole machining device, the function of drilling deep holes in shaft parts can be smoothly achieved, the lathe function can be recovered only by detaching the sliding table and the cutter bar supporting frame, and the deep hole machining device is very convenient and practical and achieves two purposes. 本实用新型公开了一种深孔