Pharmaceutical medicine particle screening equipment

The invention relates to the technical field of screening, in particular to pharmaceutical medicine particle screening equipment. The pharmaceutical medicine particle screening equipment comprises a buffering cavity and a screening cavity. wherein a feeding hopper communicating with the buffering cavity is arranged at the upper end of the buffering cavity, the screening cavity is arranged at the lower end of the buffering cavity, and communicates through a discharging hole, and a sieve plate driven by a first driving assembly to move up and down is arranged on the inner side of the screening cavity, a sieve plate is provided with a plurality of sieve holes used for falling of qualified medicine particles, a guide plate driven by a second driving assembly to move up and down is arranged below the sieve plate, a plurality of pounding rods are arranged at the upper end of the guide plate, one pounding rod is located right under one sieve hole, and when the guide plate moves upwards, the pounding rods upwards mov