Automatic feeding device of numerical control engraving and milling machine

The automatic feeding device of the numerical control engraving and milling machine comprises a shell, a supporting column is fixed to the inner side of the bottom of the shell through a bolt, a sliding groove is fixed to the top of one side of the supporting column through a bolt, and a second lead screw and a second sliding rod are arranged between the inner walls of the two sides of the sliding groove. And a machine base is slidably connected to the second lead screw and the second sliding rod, a supporting table is fixed to the inner side of the bottom of the shell through bolts, a first lead screw and a first sliding rod are arranged between the inner walls of the supporting table, and a storage table is slidably connected to the first lead screw and the first sliding rod. The device has the advantages that a displacement structure composed of the first lead screw, the first sliding rod, the storage table and the like is arranged, a plurality of unmachined parts are placed at a time, machine displacement