| 摘要 |
A method and apparatus for compacting a scrap tire by removing the bead wires from the tire and coiling the debeaded tire casing. The debeading assembly includes a movable carriage in a plurality of rolls positioned to fit within the inside diameter of a tire. One of these rolls is a tensioning roll that is movable so as to stretch the tire and elongate the bead wires. Bead wire elongation permits accommodation of various sized tires, as elongation standardizes the arc against a bead guide roll. Compression forces provided to align the bead wires in a mutually proximate position against the bead guide roll. The carriage is advance until a pair of overlapping and counterrotating shearing members have made a first tire shear that is at least closely tangential to the bead wires, but which does not extend beyond the radius of the bead guide roll which is perpendicular to the direction of carriage movement. After carriage movement has ceased, the pull provided by the shearing members causes the tire to rotate, thereby producing a second shear which disembodies the tire casing from the bead wires. The debeaded elongation of tire is then compressed between a mandrel and a bend assembly. The bend assembly includes a plurality of rollers, at least some of which are concave relative to said mandrel. The mandrel is spring biased in the direction of the bend assembly. The bend assembly will wrap the debeaded elongation of tire about the mandrel and the mandrel will recede from the bend assembly as each layer of tire is provided.
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