a device for automatically stacking packages on a support comprising at least one feeding conveyor ; a lifting and lowering unit for lifting and lowering a pallet ; a position conveyor embodied as a travel container , which is arranged horizontally and longitudinally to one side of the storage place , in order to position the packages in the x - direction ; at least one sliding plate and a pusher in order to transport the packages from the travel path in the z - direction to the predetermined position in the stack . the at least one sliding plate may comprise a flat , strip - like plate that can move horizontally and longitudinally on the side of the storage place and transversally thereto , in order to remove packages from the positioning conveyor in the x direction when pushed by the pusher and arranging on the pallet in the z - direction . the travel container contains pivotable stops and can be moved on rails .