Stacking apparatus for flexible, generally planar food products

Details Stacking apparatus for flexible, generally planar food products Stacking apparatus for flexible, generally planar food products

B - Operations, Transporting

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270/72

B65G 57/04 (2006.01) A21C 9/08 (2006.01) B65G 21/20 (2006.01) B65G 43/08 (2006.01) B65G 57/03 (2006.01)

Patent

CA 1216313

STACKING APPARATUS FOR FLEXIBLE, GENERALLY PLANAR FOOD PRODUCTS ABSTRACT An apparatus for counting and stacking food products such as tortillas. The tortillas are initially placed on an entry chute containing a large number of air outlets for creating a cushion of air to allow the tortilla to slide down the entry chute onto a incline conveyor belt. The conveyor belt is of an open mesh design and it is supported on a belt support having a large number of air inlets which create a vacuum that maintains the tortilla in contact with the belt. The tortillas are carried by the belt down one end of the belt support and along the underside of the belt support with contact between the tortilla and belt being maintained by vacuum creating air inlets formed in the belt support. The air inlets terminate at a location on the underside of the belt support thereby allowing the tortillas to drop from the conveyor belt. The tortillas drop onto a stationary rack formed by rods which are interleaved with conveyor belts moving together as a unit. The conveyor belts are normally positioned beneath the upper surface of the rack. However, when a predetermined number of tortillas have been stacked, the belt is lifted thereby carrying the tortillas from the rack. The mechanism for lifting the belts is actuated by a counter which counts a predetermined number of tortillas passing past a counting station and delays actuating the belt lifting mechanism until the final tortilla has dropped onto the rack. The belts discharging the stacks of tortillas move in the direction opposite the direction that the tortillas are delivered to the rack in order to minimize the time required to remove the tortillas from the rack before an additional tortilla may be placed thereon.

456527

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