Numerical control portable milling and grinding machine

The utility model relates to the technical field of machining equipment, and provides a numerical control portable milling and grinding machine which comprises a base frame, an x-axis moving mechanism, a z-axis moving mechanism and a milling and grinding mechanism, the z-axis moving mechanism comprises a z-axis linear guide rail, a z-axis lead screw and a z-axis driver; the z-axis linear guide rail and the z-axis lead screw are installed on the x-axis moving mechanism in the vertical direction. The x-axis moving mechanism is further provided with a z-axis driver, and the output end of the z-axis driver is connected with a z-axis lead screw through a coupler. The milling and grinding mechanism comprises a main shaft seat, a main shaft, a milling cutter disc and a main shaft drive; the main shaft seat is connected with the z-axis lead screw through a z-axis lead screw nut; the interior of the spindle seat is rotationally connected with a spindle through a bearing, a spindle driver is installed above the spindle