Metal part cutting machine

The utility model discloses a metal part cutting machine which comprises a cutting table, a position adjusting mechanism and a cutting auxiliary mechanism, a connecting plate is clamped to the top of the cutting table, and a top plate is fixedly connected to the top of the connecting plate; the position adjusting mechanism comprises infrared receivers, a first hydraulic cylinder and a second hydraulic cylinder, the infrared receivers are fixedly connected to the bottom of the top plate, the second hydraulic cylinder is arranged between the two infrared receivers, the bottom of the second hydraulic cylinder is connected with a connecting frame through a coupler, and the first hydraulic cylinder is arranged below the connecting frame; the first hydraulic cylinder is fixedly connected to the cutting table; and the cutting auxiliary mechanism is mounted at the top of the cutting table. A guide block and an extension block can guide the movement of the connecting plate, so that the cutting wheel can be close to th