Method and apparatus for doffing and donning bobbins in spinning

Details Method and apparatus for doffing and donning bobbins in spinning Method and apparatus for doffing and donning bobbins in spinning

1976-03-25

1977-07-19

Queisser, Richard C.

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

57156, D01H 904, D01H 918

Patent

active

040360016

ABSTRACT:
A bobbin doffing and donning method in a spinning machine including a conveyor for conveying the empty and full bobbins along the machine, and a succession of bobbin holders for holding and transferring the bobbins between the spindles on the machine and the conveyor. The empty bobbins are removed from the conveyor by grasping the upper end of an empty bobbin by a holder and moving the holder upwardly. The holder is then moved to position the empty bobbin above a corresponding full bobbin on a spindle with the empty bobbin in axial alignment with the full bobbin. The empty bobbin is released from the holder and the lower end abuts against the upper end of the full bobbin. The holder is moved down along the empty bobbin until it reaches the junction between the empty and full bobbins and then grasps both the empty and full bobbins simultaneously. The holder holding the empty and full bobbins is then moved up and then away from the spindle and then downwardly to adjacent the conveyor and only the full bobbin is placed on the conveyor. The holder is moved upwardly along the empty bobbin and grasps the upper end, and the empty bobbin is then moved above the spindle and placed on the spindle.

REFERENCES:
patent: 3550368 (1970-12-01), Marenco
patent: 3609952 (1971-10-01), Chiari et al.
patent: 3633959 (1972-01-01), McCullough et al.
patent: 3786621 (1974-01-01), Pray et al.
patent: 3808788 (1974-05-01), Viglione
patent: 3813870 (1974-06-01), Viglione

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