Numerically-controlled machine tool for metal part machining

The utility model discloses a numerical control machine tool for machining metal parts, which comprises a machine tool body, a three-jaw chuck is fixedly connected to one side in the machine tool body, a tool apron is fixedly mounted on a driving mechanism in the machine tool body, and a protective cover is fixedly connected to one side, close to the three-jaw chuck, of the tool apron. A first opening is formed in the side, close to the three-jaw chuck, of the protective cover, and a chip removal hopper is fixedly connected to the bottom end of the protective cover. According to the machine tool, the machine tool body, the three-jaw chuck, the tool apron, the protective cover, the chip removal hopper, the collecting box and the filtering assembly are arranged, the protective cover is fixed to the surface of the tool apron, and when the driving mechanism of the machine tool body drives the tool apron to move to machine a metal piece, the protective cover can prevent metal chips and cooling liquid generated dur