Vibratory distribution conveyor
AssigneeCarrier Vibrating Equipment, Inc.
InventorBo Richard Rosenstrom
Life of this patent
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Abstract
A vibratory conveyor has an eccentric shaft drive system mounted at an angle relative to horizontal plane defined by the conveyor deck. Rotation of the drive shafts and associated eccentric weight elements causes a net force to be imparted to the conveyor deck at an angle relative to horizontal plane defined by the deck to convey material forward. The drive shafts are mounted and controlled such that changing the phase angle between the respective drive shafts causes a change in direction of the net force output of the drive system, thereby resulting in a directional or sideways conveying motion.
Claims17
A vibratory distribution conveyor, comprising:
- a deck;
- a lower housing secured to said deck and mounted to, but isolated from, a stationary base;
- an eccentric shaft drive system mounted to said lower housing at an angle relative to said deck for imparting a resultant vibratory force to said deck, including at least two drive shafts mounted for rotation relative to said lower housing, each of said shafts being independently driven by a motor, and each said drive shaft carrying weights comprised of one or more eccentric weight elements;
- and
- a control system for changing the phase angle between said drive shafts to cause a change in direction of the resultant vibratory force imparted by said eccentric shaft drive system and resulting in a sideways conveying motion.
A vibratory distribution system, comprising:
- a deck for carrying articles to be conveyed;
- a lower housing secured to said deck and mounted to, but isolated from, a stationary base;
- an eccentric shaft drive system mounted to said lower housing at an angle relative to said deck for imparting a resultant vibratory force to said deck, including at least two drive shafts mounted for rotation relative to said lower housing, each of said shafts counter rotating with respect to each other and being independently driven by a motor, each of said shafts carrying eccentric weights;
- and
- a control system providing
- a first resultant vibratory force having a first set of orthogonal force components in X and Y directions, where the X direction is measured along a longitudinal axis of said deck and the Y direction is perpendicular to said deck, thereby providing a motion conveying said articles along said deck in said X direction, and
- a second resultant vibratory force having a second set of orthogonal force components that additionally include a force component in a Z direction, parallel to said deck but perpendicular to said X and Y directions, thereby providing a motion conveying said article across said deck.
Dependencies are inferred from the claim text.