Blank stacking apparatus

Details Blank stacking apparatus Blank stacking apparatus

B - Operations, Transporting

65

G

270/72

B65G 57/04 (2006.01) B65H 31/18 (2006.01) B65H 31/32 (2006.01)

Patent

CA 1195706

ABSTRACT OF THE DISCLOSURE Apparatus for stacking paperboard blanks including a timed conveyor utilizing vacuum pressure to hold the blanks by their leading edges beneath the conveyor and serially advance them against a backstop whereupon they are released by the vacuum to settle upon an elevator which lowers incrementally as a stack of blanks is formed thereon. When the stack is completed, interrupter tines move over the stack and under the conveyor to store oncoming blanks while the stack is discharged from the elevator after which it rises. As the tines withdraw, the stored blanks settle on the elevator and subsequent blanks form another stack. A counter is used to energize operation of the tines to form stacks of a predetermined number of blanks on the elevator. An inclined conveyor utilizing vacuum belts is used to feed the blanks into engagement with the timed conveyor.

430519

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