Automatic doffing and donning apparatus

Details Automatic doffing and donning apparatus Automatic doffing and donning apparatus

1978-02-27

1979-08-28

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Doffing or donning

57274, 57275, D01H 908

Patent

active

041655850

ABSTRACT:
An automatic doffing and donning apparatus is disclosed for replacing a plurality of full bobbins which are mounted on winding spindles disposed parallel to each other on a yarn processing machine with a plurality of empty bobbins which are mounted on a bobbin reservoir plate disposed along and in front of the winding spindles. The apparatus comprises: a movable frame which is horizontally movable along both the yarn processing machine and the bobbin reservoir plates; a full bobbin doffing device mounted on the movable frame for doffing the full bobbins formed on the winding spindles and transferring them to the bobbin reservoir plate, and; an empty bobbin donning device mounted on the movable frame. The empty bobbin donning device is provided with: an empty bobbin transfer mechanism which moves the empty bobbins on the bobbin reservoir plates to a stand-by position located vertically outside of the operating space of the full bobbin doffing device, so that the empty bobbins do not disturb the operation of the full bobbin doffing device, and; a bobbin insert mechanism which receives the empty bobbins from the empty bobbin transfer mechanism located at the stand-by position and which inserts them on the winding spindles after the full bobbins are doffed from the winding spindles by the full bobbin doffing device.

REFERENCES:
patent: 3307340 (1967-03-01), Nishi et al.
patent: 3566597 (1971-03-01), Para
patent: 3681906 (1972-08-01), Burgemeister et al.
patent: 3791123 (1974-02-01), Kawauchi
patent: 3844099 (1974-10-01), Tsuchiyama et al.
patent: 4081949 (1978-04-01), Keller et al.

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