PROBLEM TO BE SOLVED: To improve a stacking posture of nursery boxes in a stacking facility.SOLUTION: A stacking facility includes: a stacking device for stacking a prescribed number of nursery boxes (C) carried by a nursery box-carrying conveyor by lifting the nursery boxes from below and a loading device (118) for holding the nursery boxes (C) stacked by the stacking device, horizontally transferring the boxes, and then loading a prescribed number of boxes, wherein the loading device (118) includes a movable arm (126) that moves in a lateral direction to hold the nursery boxes (C) by coming into contact with a side surface of the nursery boxes (C) and a lower surface thereof. The movable arm (126) has, under a lower edge part thereof, a lower support member (164) that is movable in a lateral direction with reference to the movable arm (126) to move to a projected position and a retracted position, and comes into contact with the lower surface of the nursery boxes (C) while lying at the projected position to support the nursery boxes (C) from below.COPYRIGHT: (C)2014,JPO&INPIT【課題】 本発明は、段積設備において、育苗箱の積付け姿勢を良好にすることを課題とする。【解決手段】 育苗箱搬送コンベヤで搬送される育苗箱(C)を下方から持ち上げて所定の段積枚数に段積する段積装置と、段積装置で段積された育苗箱(C)を把持して横移動し所定の積付枚数に積付ける積付装置(118)とを備え、積付装置(118)は、横方向に可動することにより育苗箱(C)の側面及び下面に接触して該育苗箱(C)を把持する可動アーム(126)を備え、可動アーム(126)の下端部には、可動アーム(126)を基準に横方向に可動して突出位置と退避位置とに移動可能で、前記突出位置にある状態で育苗箱(C)の下面に接触して該育苗箱(C)を下方から支持する下方支持部材(164)を備えた段積設備とした。【選択図】 図5
