Numerical control milling machine with cutters convenient to replace

The utility model discloses a numerical control milling machine with cutters convenient to replace. The device comprises a column, a rotary arm, a second motor and an annular groove. A Z-axis guide rail is arranged on the front side of the stand column. A Z-axis guide rail is arranged on the base, a spindle box is arranged on the Z-axis guide rail, a tool rest is arranged on the lower side of thespindle box, a workbench is arranged below the tool rest and connected with a cross sliding table through an X-axis guide rail, the cross sliding table is connected with the base through a Y-axis guide rail, the base is arranged on the front side of the stand column, and a first opening is formed in the right side. The utility model discloses a numerical control milling machine with cutters convenient to replace. A second motor, a rotary tool magazine, a second opening and a clamping plate are arranged; the motor drives the rotary tool magazine to rotate, the tool rest moves downwards to clampthe other milling tool, t