| 摘要 |
PROBLEM TO BE SOLVED: To realize stacking without generating deformation, shape collapse, etc., of a vessel, and realize smooth movement in a condition of stacking, even in a soft vessel such as corrugated fiberboard box hardly stacked. SOLUTION: In the inside of a conveyor 10, a lift device 1 horizontally holding a bottom surface of a workpiece W supported in several parts to fix a plurality of lift plates 5, 5 having a horizontal upper surface to a cylinder 11 to freely protrude/sink vertically from a conveying surface 12 of the conveyer 10 through a lift unit 1a is arranged, a positioning unit 6a fixing a positioning stopper 7 of the workpiece W to a cylinder 6 to freely protrude/sink from the conveying surface by a detection signal of a sensor 8 is arranged in the front part in a conveying direction, and a conveyer device 10a having a plurality of aligned stoppers 13 in at least a holder side along a conveying direction of the conveyer 10 and a horizontal cylinder 21 at a right angle to the conveying direction adjacent to this conveyer device 10a are arranged in a side part, a vertical shaft 9 is arranged in a side of the conveyer 10, a hold base 20 provided with a hold pawl 3 to freely slide the vertical shaft 9 to be horizontally slid by this cylinder 21 is concurrently provided in a position sufficiently higher than a height of the workpiece W mounted on the conveying surface 12.
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