Classification vibration screening device for Chinese herbal medicine processing

The utility model discloses a classification vibration screening device for Chinese herbal medicine processing, which comprises a screening bin body, a vibration mechanism and an air blower, the vibration mechanism is connected to the bottom of the screening bin body, and a first inclined screening plate and a second inclined screening plate are arranged in an inner cavity of the screening bin body at intervals from top to bottom. The size of grids of the first inclined sieve plate is larger than that of grids of the second inclined sieve plate, and the first inclined sieve plate and the second inclined sieve plate divide an inner cavity of the screening bin body into a first cavity body, a second cavity body and a third cavity body from top to bottom. A feeding port and a first discharging port which are communicated with the first cavity are formed in the outer wall of the screening bin body, a second discharging port which is communicated with the second cavity is formed in the outer wall of the screening