Machine tool for machining iron castings

The utility model discloses a machine tool for processing iron castings, which comprises a shell, when the machine tool is used, the punching position can be adjusted by rotating a round plate through the mutual matching among a bottom plate, a fixed shaft, an annular groove, a threaded rod, a round pipe, a worm gear, a worm, a hand-cranking wheel, an L-shaped rod, a side plate and a positioning plate; an iron casting can be clamped and positioned through ascending of a circular plate in cooperation with a positioning plate, the situation that the accuracy of the punching position is affected due to displacement and falling of the iron casting in the punching process is avoided, chippings generated during punching can be blown away through mutual cooperation of a first single-groove wheel, a second single-groove wheel, a belt, a barrel, a rotating rod and a plurality of blades, and the punching efficiency is improved. And through mutual cooperation of a water tank, a water pump, a connecting pipe and a water