Iron ball sorting device

The invention relates to the technical field of machining and discloses an iron ball sorting device which comprises a machine frame, a feeding box and a storage barrel. The lower end of the feeding box is fixedly connected with a spiral pipe, the side wall of the spiral pipe is provided with a tapered through hole, the position of the tapered through hole is rotatably connected to a cleaning assembly, and the storage barrel is internally slidably connected with a sieve plate. A first spring and an elastic air bag are connected between the sieve plate and the bottom of the storage barrel, a first round pipe passes through the side wall of the storage barrel, a ventilating pipe is communicated between the elastic air bag and the first round pipe, the first round pipe is communicated with a casing, the casing is internally slidably connected with a rotating wheel, one side of the casing is communicated with a second round pipe and a third round pipe, the other end of the third round pipeis communicated with a fi