| 摘要 |
PURPOSE:To enable extrusions to be loaded in a form of plural stages on a pallet by providing both a lower elevating table which can be elevated up and down on a travelling table frame, and an upper elevating table which can be elevated up and down within the lower elevating table. CONSTITUTION:A lower elevating table 4 is installed on a travelling table frame 1 so as to allow the elevating table to be elevated up and down by means of an elevating device 5 while it is kept even by means of four elevation control mechanisms 6. Besides, an upper elevating table 10 is also installed in the lower elevating table 4 so as to allow the upper elevating table to be elevated up and down by means of the elevating device 5 while it is kept even by means of two elevation control mechanisms 11. Accordingly, the configuration is such that the upper elevating table 10 is elevated first, on which a table plate 15 is placed, then, extrusions 16 are placed on the table plate 15, after the extrusions are completely arranged on the first stage, the upper elevating table 10 is lowered by the height of the extrusion, then spacers are appropriately placed over the extrusions, and then, the upper elevating table 10 is furthermore lowered enabling the extrusions to be piled up in a form of a laminated layer in order.
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