GB1399747A - Bobbin handling system for yarn winders - Google Patents

Abstract

1399747 Supplying bobbins to patrolling tenders LEESONA CORP 25 Sept 1973 [5 July 1972] 31479/72 Headings D1F and D1J An apparatus for servicing a plurality of winding stations 48, Fig 3, each of which is operable to unwind strandular material from a bobbin 12 comprises tender means 46 operable to patrol said winding stations and service each said station to reinstate strand processing thereat, filled bobbin conveyor means 36, Figs 3 and 8, disposed proximate to said tender means 46, means 92 on said tender means for removing a bobbin 12 from the conveyor means 36, and means 98 on said tender means 46 to conduct the removed bobbin to a locus proximate one of said stations 48 where the bobbin is positioned preparatory to unwinding of the strandular material therefrom. The system can handle varius types of bobbins 12, each type being initially fed to its own holder 24, Fig 8. Distributing buckets 38 carried by conveyor 36 move past and below the holders 24 and are designated for receiving only one type of bobbin. When a bucket 38 is empty it causes a gate 60 of_the bobbin holder 24 containing the proper type of bobbin to open and so deposit a filled bobbin in the bucket 38. The patrolling tender 46 is positioned below the buckets 38 and preferably moves in a direction opposite to that of the conveyor 36. When a delivery tube 98 on a patrolling tender 46 requires a bobbin it causes a gate 84 of a bucket 38 containing an appropriate type of bobbin 12 to open and so deposit the bobbin in the tube 98. As the tender 46 moves around the winder and comes upon a winding station 48, Fig 3, requiring a fresh supply bobbin, as determined for example by a phototransducer 132, the appropriate delivery tube 98 drops a bobbin into the magazine 52 of that station and positions the unwinding end 28 for retrieval by the knotter on the tender 46. The bobbin 12 initially drops down to a reserve position 50, Fig 3, and waits there while a bobbin 12 at an unwinding position is held on a peg 166 mounted on a rotatable carrier 170. When the bobbin 12 on the peg 166 is empty, or the yarn breaks, the carrier 170 is rotated anti-clockwise and this causes the rejected bobbin 12 to be displaced to the left and the peg 166 to rotate to a setting where it enters the reserve bobbin to move the reserve bobbin to the unwinding position. Empty bobbins. When a bobbin is empty it is passed to one of a plurality of empty bobbin conveyors 54, one for each type of bobbin. Each of these conveyors 54 discharges its bobbins into separate sorters from which the bobbins are either ejected from the system or are returned to the associated bobbin holder 24.