Abstract:
An accumulation conveyor with individually controllable zones may be controlled in a manner which efficiently reduces the gaps between accumulated articles, accomplished by control logic which determines the existence of conditions conducive to reducing the gaps and implements the control logic as appropriate. The accumulation conveyor may be controlled in a coast to stop mode. The accumulation conveyor may be controlled in manner to detect and clear jams.
Abstract:
An accumulation conveyor with individually controllable zones may be controlled in a manner which efficiently reduces the gaps between accumulated articles, accomplished by control logic which determines the existence of conditions conducive to reducing the gaps and implements the control logic as appropriate. The accumulation conveyor may be controlled in a coast to stop mode. The accumulation conveyor may be controlled in manner to detect and clear jams.
Abstract:
A control system for a conveyor system of the type having a first constant speed conveyor with a drop-out zone and a second variable speed downstream conveyor receiving products from the drop-out zone. The drop-out zone comprises a plurality of conveyor rollers driven by a drive mechanism operated by a constant speed prime mover assembly. An actuator engages and disengages the drive mechanism with the drop-out zone rollers. The control system has a processing circuit configured to ascertain the velocity of the downstream conveyor and configured to match the effective velocity of the first conveyor drop-out zone to that of the downstream conveyor by use of a periodic varying duty cycle signal that controls the actuator via an output device in communication with the processing circuit. The processing circuit also varies the ON-time and OFF-time of the varying duty cycle signal to automatically control energizing of the output device to accomplish the velocity match. The processing circuit is also capable of changing the period of the duty cycle signal when required.
Abstract:
A declined conveyor for conveying articles in a downstream direction, which is parallel to a longitudinal direction, has one or more controlled conveyor sections interposed between gravity conveyors. Each controlled conveyor includes a plurality of driven rollers which are driven by a drive member disposed generally parallel to the longitudinal direction, and is operatively connected to a plurality of the driven rollers through O belts.
Abstract:
A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.
Abstract:
A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.
Abstract:
A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.
Abstract:
A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.
Abstract:
A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.