The utility model discloses a kind of cutter shaft drums of land clearing
machine, including cutter shaft
assembly, left bearing seat component, right bearing seat component and
tool bit, cutter shaft
assembly includes cutter shaft
pipe, cutter shaft
pipe is provided with multiple tool holders,
tool holder is along the
helical distribution of cutter shaft
pipe surface,
tool bit is fixed on
tool holder by bolt, the left and right ends of the cutter shaft pipe are respectively provided with shaft head, and fixedly connected with left bearing seat component and right bearing seat component respectively by shaft head;The
tool bit is overall positive trapezoidal body structure, middle is provided with threaded hole, and the threaded hole on
tool holder is corresponding, the bevel of the four around tool bit is
sharpening surface, and bottom is four arc
chip blades;The tool bit uses high-strength wear-resistant die steel.The utility model tool bit uses high-strength wear-resistant die steel, can
cut tree, plastic,
metal, rubber and other materials,
solid durable, tool bit is not easy to damage, service life is long, and have four
chip blades, one blade wears, can continue to use by rotating 90 degrees, improve the utilization of tool bit.