Method and apparatus for stacking sheet material

Details Method and apparatus for stacking sheet material Method and apparatus for stacking sheet material

B - Operations, Transporting

65

G

B65G 29/02 (2006.01) B65G 57/04 (2006.01) B65H 29/24 (2006.01) B65H 29/32 (2006.01)

Patent

CA 2066910

ABSTRACT An apparatus for stacking and separating thin sheet material after it is cut into pieces of a predetermined size. The apparatus utilizes suction cups carried on several, independent chains that are moving in parallel directions and in the direction of movement of the material to be stacked. As the material is fed into the apparatus, it is gripped by the suction cups, cut to length and then separated slightly by moving the independent chain drives laterally and then breaking the vacuum in the suction cups so as to release the pieces into separate stacks. The chain drives are then moved laterally back to their original positions and the cycle is repeated. The apparatus uses a unique suction cup-valve arrangement that eliminates the need for vacuum lines.

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