Impurity removing and screening mechanism for medicinal material processing

The utility model relates to the technical field of medicinal material processing, in particular to a medicinal material processing impurity removing and screening mechanism which comprises a shell, a feeding pipe, a dust suction pipe a, a dust suction pipe b, a dust collector, a dust collection bag, a box body, a guide plate b, a handle, a motor, a connecting rod a, a rocker, a screen frame and a mounting frame. The feeding pipe is connected with the shell, the shell is provided with an air pipe, the dust collection pipe a is connected with the air pipe, the dust collection pipe b is connected with the dust collection pipe a and the dust collector dust collection pipe b, and the dust collection bag is connected with the dust collector. The shell is provided with a mounting plate, the mounting frame is provided with a mounting part, the mounting part is provided with a spring, and the spring is connected with the mounting plate; the motor is connected with the mounting plate, the connecting rod a is connected