Low-residue medicine preparation sampling device

The utility model relates to the technical field of medicine preparation, and provides a low-residue medicine preparation sampling device which comprises a left transmission mechanism which comprises a left driving shaft, a first follow-up rod, a left transverse plate, a first belt, a second belt, a first driven rod, a left transmission output shaft, a first motor, a left fixing plate and a left driving belt. The left transmission output shaft is installed on the right side of the first motor, the left driving belt covers the left transmission output shaft and the left driving shaft, the first follow-up rod is fixedly connected to the left side of the left driving shaft, the first driven rod is arranged below the first follow-up rod, and the second driven rod is arranged below the first driven rod. The first follower rod and the first driven rod are covered with the first belt, the first follower rod and the first driven rod are covered with the second belt, and the left fixing plate is fixedly connected to t