Stack stripper for a stacking machine

Details Stack stripper for a stacking machine Stack stripper for a stacking machine

B - Operations, Transporting

65

G

270/66

B65G 25/00 (2006.01) B65B 35/50 (2006.01) B65G 47/08 (2006.01) B65G 57/14 (2006.01)

Patent

CA 1318335

Abstract of the Disclosure A vertically extending stripper bar is man- ipulated to strip a stack of articles from a conveyor while the conveyor is carrying the articles down- wardly at high speed. A carriage is mounted for being vertically movable. A pneumatic cylinder is coupled to the carriage. The stripper bar is sup- ported on horizontal guide rods which slide in the vertically movable carriage. A pneumatic cylinder moves the stripper bar horizontally in and out relative to the conveyor. When the correct number of articles has accumulated next to the bar, a stripping cycle is initiated. This involves activating one pneumatic cylinder which pushes the stripper bar hor- izontally across the path of the downwardly moving articles. A gear rack is mounted to the vertically movable carriage and it is engaged by a gear which begins to drive the carriage and stripper bar down- wardly at the same speed that the articles are moving downwardly at the instant the stripper bar begins to move horizontally. At the instant when the stripping cycle begins, a clutch is engaged to make the gear drive the carriage downwardly by driving the rack. When the stack of articles is cleared of the paddles, the clutch is disengaged and the gear can turn freely. The pneumatic cylinder which is coupled to the carriage drives the carriage upwardly back to its home position in readiness for stripping the next stack to accumulate.

612476

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