Tray stack splitting device, integrated system and method

The invention provides a tray stack splitting device, an integrated system and a method, and relates to the technical field of warehouse logistics conveying systems.The tray stack splitting device comprises a tray conveying mechanism and a grabbing mechanism, the tray conveying mechanism is connected with the tray grabbing mechanism, and the tray grabbing mechanism comprises a rotating mechanism, a grabbing rack, a forking mechanism and a clamping mechanism; the rotary mechanism is connected with the grabbing rack and can drive the grabbing rack to rotate, the forking mechanism and the clamping mechanism are both arranged on the grabbing rack and move synchronously with the grabbing rack, the forking mechanism comprises a fork arm assembly used for forking a tray, and the clamping mechanism comprises a clamping assembly used for clamping the tray; according to the invention, the problems of splitting the tray stack which is vertically embedded and stacked and supplying and conveying the split single tray can