Stacking device capable of automatically feeding trays

The utility model discloses a stacking device capable of automatically feeding trays, and belongs to the technical field of premix production equipment. The device comprises a stacking rack, a carrying manipulator, a lifting table, a tray storage structure, a tray feeding structure, a sliding rail, a tray lifting structure and a tray lifting structure. The tray lifting structure can lift one trayadjacent to the upper side of the tray lifted by the lifting frame; at the moment, the tray lifting structure is lowered; the tray on the bottom layer falls to the bottom of the storage space; the tray feeding structure moves backwards to push the tray to the lifting table, then the tray feeding structure moves forwards to the position in front of the tray storage structure, finally, the tray lifting structure releases the tray to enable the tray lifted on the tray lifting structure to fall to the bottom of the storage space, the tray lifting structure rises, and so on, feeding of the tray isachieved, and the tray doe