A packaging system for premix

The utility model discloses a packaging system for a premix, and belongs to the technical field of premix production equipment. The system comprises a bagging device, a bag sewing device, a bag pouring device, a front vibration conveying device, an exhaust device, a shaping device, a rear vibration conveying device and a stacking device, the bagging device, the bag sewing device and the bag pouring device are sequentially connected through an output conveying belt, and the stacking device comprises a stacking rack, a carrying mechanical arm and a lifting table; the exhaust device comprises anexhaust rack, a baffle belt, a rolling rack and a rolling belt; the rolling belt is parallel to the baffle belt or the distance between the rolling belt and the baffle belt is gradually reduced from front to back; the rear vibration conveying device stretches into the left side or the right side of the upper portion in the stacking machine frame, and the rear vibration conveying device and the lifting table are arranged s