| 摘要 |
An automated build-by-layer rainbow pallet system comprises a layer build track and a layer build cart that carries a layer build robot and a number of positions for building rainbow pallets, for storing emptied supply pallet s, and for storing empty half -pallets. On the rail-sides are dozens or hund reds of supply pallet conveyors for pallets of products to be picked- from w hen building the rainbow pallets. These are placed on one or both sides of t he layer build track. The layer build robot can position itself in front of the appropriate supply pallet conveyor for picking. Once in position, half o r full layers can be picked from the supply pallets and positioned over the target rainbow pallet to be built and then set on top. The process of pickin g and building layers as the layer build cart repositions in front of the ap propriate supply pallet conveyor is repeated until all of the on-board rainb ow pallets have been built. The layer building cart returns to an unloading area where the emptied supply pallets and built rainbow pallets are conveyed off to respective exit conveyors. Several empty pallets are then moved from an empty pallet supply, and placed in the individual rainbow pallet build l ocations either by robot or conveying. The system is then ready to build mor e rainbow pallets. The system is controlled bya software program for orchest rating the overall movement and building of pallets.
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