Mixing bin of high pressure ball forming machine

The utility model relates to a mixing bin of a high pressure ball forming machine. The mixing bin of the high pressure ball forming machine is characterized by comprising a mixing bin (1). A feed port (2) and a return port (3) are installed on the top of the mixing bin (1), and a discharge port (4) is installed on the bottom of the mixing bin (1). The feed port (2) is connected with a feed pipe, the return port (3) is connected with a screw conveyer, and a stirring blade (5) is installed in the mixing bin (1). A piece of stirring blade is added to the mixing bin of the high pressure ball forming machine, so that power and lump vanadium-nitrogen alloy which is added into the mixing bin can be stirred uniformly, and thus vanadium-nitrogen alloy fresh balls formed finally are high in quality.