The utility model discloses a sword row of formula kerf machine mills soon structure, including a vertical main shaft cover of fixing in frame below, pass through bearing seal with power device output shaft's main shaft and install in the main shaft cover, the side of main shaft cover is connected with the cutter spindle sleeve of a plurality of equipartitions perpendicularly, the arbor is installed in the cutter spindle sleeve through the bearing respectively to be connected with the main shaft tradition, the arbor end is installed and is milled the dish soon, mills a set circumference soon and installs the tool bit efficiency of construction number times can be improved, construction cost is reduced, increase positive opposite spin cutting motion structure on the basis that the vertical motion sword was arranged, can the complicated multiple stratum of adaptation geology, widen kerf machine construction market competition.