Auger drill machine carbide pick

The utility model provides an auger drill machine carbide pick, including tooth portion and conical stalk portion, tooth portion includes sphere top, first cone, second cone and third cone that from the top down connected gradually, be connected with the transition cylinder between tooth portion and the stalk portion, be provided with 3 circular shape archs on the lateral wall of stalk portion, the protruding stalk portion circumference of following is 120 array distribution, the below of stalk portion is connected with the fourth cone, the bottom of fourth cone is provided with hemisphericalexhaust blind hole. The utility model discloses utilize the stack of tertiary cone to improve tooth portion atress homogeneity, improved the average cutting dynamics to the ore, the weld defects who takes muscle structure stalk portion has in the past been avoided to the three arch of utilizing the stalk portion, utilize hemispherical exhaust blind hole can cut distributing of heat with higher speed on the one hand, on th