Feed grinder for fine processing

The invention discloses a feed grinder for fine processing. The feed grinder comprises a crushing box, a motor, a transmission box and a rotating shaft, a feeding port and a discharging port are formed in the upper portion and the lower portion of the crushing box correspondingly, the crushing box is in a gyro shape, the discharging port is formed in the conical surface of the lower portion of thecrushing box, and the motor is arranged below the crushing box and connected with one end of a stirring shaft through the transmission box; the other end of the stirring shaft extends into the crushing box, one side of the feeding port is connected with a feeding platform, two layers of hollow partition plates are arranged in the grinding box, opposite discharging ports are formed in the two partition plates, symmetrical blades are arranged on a rotating shaft in a crushing bin, blades are arranged on a rotating shaft of a stirring bin, and air pipes are connected into the partition plates; and air outlets are formed