Stepless speed regulation two-way powder feeding structure

The utility model provides a stepless speed regulation two-way powder feeding structure which comprises a storage hopper, a blanking hopper and a feeding mechanism, and the blanking hopper is arranged on the storage hopper; the feeding mechanism is arranged on the storage hopper and used for enabling the metal powder in the storage hopper to fall into the falling hopper. The device further comprises an upper pore plate and a lower pore plate, and the upper pore plate and the lower pore plate are each provided with a material leakage hole used for discharging. The upper pore plate is fixed in the blanking hopper; and the lower pore plate is arranged in the blanking hopper in a sliding manner and is vertically distributed with the upper pore plate, so that the material leakage holes in the upper pore plate and the lower pore plate are selectively communicated with each other. The upper pore plate and the lower pore plate are arranged, the lower pore plate can slide in the discharging hopper, the material leakag