Special-shaped stirring paddle and planetary stirrer for metal powder

The utility model discloses a special-shaped stirring paddle and a planetary stirrer for metal powder, and the special-shaped stirring paddle is characterized in that a stirring blade body comprises a blade shoulder and a blade arm; the blade arm is of a cylinder structure; each blade arm comprises an upper part, a middle part and a hook-shaped part; the upper part, the middle part and the hook-shaped part are sequentially arranged at one end of the blade shoulder from top to bottom; the upper part and the middle part protrude towards one side opposite to the stirring direction; the hook-shaped part is twisted towards one side of the rotating axis; and an inclination angle alpha between the hook-shaped part and the vertical plane is 37-45 degrees. According to the special-shaped stirring paddle provided by the utility model, due to the design that the inclination angle alpha between the side walls in the stirring direction and the vertical plane is 7-45 degrees after the columnar blade arm, the convex upper p