Apparatus for the automatic doffing of textile machines such as winding machines
US4007882A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Apr 10, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for automatic bobbin changing on a high speed frontal bobbin winder with at least one winding-up station, at least one yarn support gripping spindle with a horizontal axis, a rotatable winding cylinder mounted for movement into and out of tangential engagement with a package forming on a yarn support on said spindle, a fixed yarn guide and a reciprocable yarn guide for distributing yarn along the yarn support, said apparatus comprising, mounted on a frame, A loading and unloading means including at least two parallel spindles, one of said spindles for removing a wound yarn package from the gripping spindle and another spindle for placing an empty yarn support on said gripping spindle, said parallel spindles being movable in turn into an aligned position in axial alignment with a gripping spindle of the machine; Nozzle means for capturing and removing the yarn fed to the yarn support, said nozzle means having a rectilinear capture slit communicating with a channel through which a stream of fluid may be fed at high speed and means for cutting the yarn associated with said nozzle means; Means for mounting the nozzle means so that it is movable between a capture position in w…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.