Freeze-drying ball subpackaging device and tray thereof

The tray can be used for subpackaging freeze-drying balls, the tray comprises a tray body, a frame and a valve, the tray body can swing and comprises a first area and a second area which are connected with each other in the length direction of the tray body, the first area is provided with multiple rows of through holes penetrating through the thickness of the first area, and the second area is provided with multiple rows of through holes penetrating through the thickness of the second area. Each through hole only allows a single freeze-drying ball to pass through, the second area is a storage tank, and the top surface of the storage tank is not higher than the top surface of the first area; the frame is arranged around the periphery of the tray body; and the valve can operably open or close the bottom openings of the plurality of through holes. According to the freeze-drying ball split charging device, automatic split charging of freeze-drying balls can be achieved, the split charging efficiency is high, ope