摘要:
The invention relates to a roving frame with a device enabling roving bobbins (12) located on a copping rail (4) to be replaced automatically by empty roving bobbins (13), comprising at least one guide track (5) for a suspended carriage assembly (10) moving inwards and outwards, perpendicular to the longitudinal direction of the roving frame, in an area of front and rear rows of flyers located on a flyer rail (3), and a changeover area with suspended holders where full roving bobbins (12) or empty roving bobbins can be hung in the area of an operating position with a view to automatic replacement. The carriage assembly can travel in the guide tracks between the front and the rear rows of flyers, and the copping rail (4) can be moved relatively sideways with regard to the carriage assembly (10).
摘要:
A method and apparatus for carrying out a bobbin changing operation whereby full bobbins (FB) or empty bobbins (EB) are displaced by a bobbin carrying unit in a suspended condition between the respective bobbin wheels and a peg bar (18) for full bobbins (FB) or a peg bar (19) for empty bobbins (EB) positioned at the lower common transfer position, where the full bobbins can be transferred from the bobbin carrying unit to the peg bar (18) for full bobbins, or the empty bobbins can be transferred from the peg bar (19) for empty bobbins to the bobbin carrying unit, respectively, while full bobbins are displaced while mounted on the peg bar (18) for full bobbins between the above mentioned lower common transfer position and the upper common transfer position where the full bobbins can be transferred to the corresponding respective bobbin supporting members (116) positioned above the roving frame before starting the bobbin changing operation, or empty bobbins are displaced while mounted on the peg bar for empty bobbins from the upper common transfer position where the empty bobbins can be transferred from the bobbin supporting members (116) to the peg bar (19) for empty bobbins, before that the peg bar (18) for full bobbin is displaced to the upper common transfer position, to the lower common transfer position, after the peg bar (18) for mounting full bobbins is displaced to the upper common transfer position, the peg bar (18) for full bobbins and the peg bar (19) for empty bobbins are held at temporarily reserving positions to prevent possible interference between them while either one of these peg bars is displaced.
摘要:
The present invention relates to an apparatus for automatically removing bobbins from roving frames and replacing the removed bobbins with empty tubes, the apparatus including an endless conveyor 4 for removing the bobbins 12 and releasing empty tubes, 12 which is movably supported by a swinging wing member 5 so as to move in a direction substantially perpendicular to the conveyor extension. The conveyor 4 cooperates with a tilting bobbing bearing carriage 3 arranged under a flyer bearing frame 2. The bobbin bearing carriage 3 can be driven to a substantially horizontal position, for forming the bobbins, through the flyer bearing frame 2, and a slanted position for removing the formed bobbins 12 and replacing them with empty tubes 12, by means of the endless conveyor 4.
摘要:
A drawing machine having a drawing zone (8) for drawing slivers (2), and a plurality of flyers (14) for winding the slivers on to bobbins (16), is made compact by arranging the flyers substantially longitudinally of the paths of the slivers through the drawing zone, e.g. in echelon formation with respect to the sliver paths.
摘要:
Coarse spinning-frame with suspended and pivotable blades (5), arranged at least on one row. The blades (5) are mounted on a frame (14) comprised of a longitudinal support (4) and of two arms (12, 13) arranged perpendicularly thereto. The frame (14) is pivotable about an axis (15) between an operating position and a removing position. A pivoting and loading system (18) is connected to the frame (14) so that the latter is blocked in its operating position. The present coarse spinning-frame has the particular advantage of providing, inter alia, a precise positioning of the pivoting blades (5) in their blocked operating position thereby providing a highly safe operation, particularly against accidents.
摘要:
Device for semiautomatic doffing of spools on a spindle bench in spinning with immovable closed or open flyers, with cops being provided with mushroom-shaped upper ends, characterised in that the bench upper plate (16) has arms (20) articulated thereto about a vertical axes (17); said arms performing alternate angular movements in the horizontal plane with predetermined amplitude; the free end of each arm (20) being provided with an immovable and open grip (21 capable of penetrating into the volume of revolution of the corresponding flyer (12) at the arrest of said spindle and coacting with the corresponding mushroom-shaped head (14-14b) of the cop following the raise to a predetermined height, imparted to the carriage which carries the mushroom-shaped ends (14) of the spools (13) to consent, frictionlessly, the engagement between said ends (14) and the corresponding grips (21) which are terminally integral to the relative arms (20); and further characterised by the fact that each arm (20) can be controlled through a level (18) to perform an alternating angular movement supplied by a rod (19), which is common to all the arms (20) of a single row of spools (13), which remain in virtue of the presence of the mushroom-shaped heads (14) on the corresponding cops suspended to the immovable grips (21) of the relative arms as, in a programmed sequence, the carriage is lowered until a complete withdrawal of the spindels from the cops is obtained, and the aforesaid arms (20) being rotated in the opposite direction with respect to the previous rotation into the flyer's (12) volume of revolution so as to take spools (13) out of the relative flyer's, and to conveniently accessible position ready for being removed.