Automatic change milling machine

The utility model belongs to the milling machine field especially relates to an automatic change milling machine, its characterized in that: moving platform install in sliding guide is last, down the swing drives device install in moving platform is last, down the revolving stage install in down on the swing drives device, down the fixing base install in the infraduction bench, go up the revolving stage install in go up on the swing drives device, go up the fixing base install in the bench of rotateing upward, first cylinder, second cylinder, third cylinder all install in go up on the fixing base, first cylinder with a milling cutter links to each other, the second cylinder with the 2nd milling cutter links to each other, the third cylinder with the drill bit links to each other, the piece case install in in the frame and its be located one side of lower revolving stage, the case mouth orientation fixing base setting down of piece case, the gas blow pipe with the blowing nozzle links to each other, the blowing nozzle is located the opposite side of lower fixing base is and its case mouth setting towards the piece case.