Condensing device (2) of a spinning machine for condensing a fibre sliver, comprising a main cylinder (4a), a first pressure cylinder (4b), an output cylinder (4c) and a suction mouth (30) looking onto the outer surface of the main cylinder (4a), to condense the sliver by aspirating the air.
A lap (L) forming device for a lap-winder comprises a primary calender (22), a secondary calender (24), a feed unit (4) with a lower output cylinder (72) and an upper output cylinder (74) which can be moved closer together/further apart, drive means suitable to impose a speed of rotation to said calenders and/or said output cylinders (72, 74) and coupling means to connect the drive means to the output cylinders (72, 74) to impose a desired rotation speed.
D01G 27/02 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with lap roll or the like loaded to provide firm packages
B65H 18/16 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
Ring spinning machine of a spinning line, comprising a first motor of the first cylinders (10), a first motor of the second and third cylinders (20), a further motor of the second and third cylinders (30), positioned in an intermediate position between the drafting cylinder ends, on the other side of the centreline (M) to the first motor of the second and third cylinders (20).
An apparatus for operating and programming a ring spinning frame, comprises an actuation device (50), to activate the driving means depending on the speed instructions, and an electronic programming device (60) which can be programmed to set the progress of the count and/or twist along the length of a yarn. The electronic programming device (60) comprises a first interface (62) suitable for designing the profile of a slub and conversion means (90) suitable for converting the parameters of the profile of the designed slub into speed instructions for the actuation device.
A draft device (1) of a drafting machine or lap-forming machine on a spinning line comprises an opening unit (10) positioned upline of the draft unit (2). The opening unit (2) comprises opening cylinders with annular bosses or pairs of overlapping cylinders with a cylindrical helix, suitable to sink into each sliver entering the unit to open it, improving the conditions for subsequent drafting.
D01G 27/00 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
D01H 5/24 - Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only with porcupines or like pinned rotary members
A device (1) of a fibre processing machine, such as a lap-winder, for the formation of a lap, comprises a primary calender (22), provided with an auxiliary belt (40), and a secondary calender (24), greater in diameter than the primary calender.
The belt (30) of a lap-forming device (1) is multilayer and has a processing layer (30a) destined to come into contact with the lap, made from polyurethane, an intermediate reinforcement layer (30b) made from polyester fabric and a dragging layer (30c) destined to come into contact with the primary calender (22), made from polyester.
D01G 27/00 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
D01G 27/04 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with automatic discharge of lap roll or the like
A combing machine is provided with a transmission device (30) for moving the circular comb at a variable speed. The transmission device 30 comprises a flat intermittent drive, which ensures highly reliable regular functioning.
A feed device (6) of fibre in tufts to a carding machine comprises a silo (8), a feed roller (14), an opening roller (30), a basin (22) and a blowing duct (50), which the current of conveying air is channelled in and which comes out on the opening roller. An end compartment (70) is delimited by a lower permeable wall (72) beyond which an intermediate compartment (74) and a second recovery compartment (80) are positioned; the intermediate compartment (74) is separated from the second recovery- chamber by a partition (76) responsive to the current of air to regulate the exit of air towards the second recovery compartment (80) in proportion to the current of air.
An axial opener (8) for fibres in tufts comprises an input pipe (10), opener rollers (16,22) and a separation wall (42) upline of the cleaner rollers, to separate the compartments which the rollers are housed in and direct the fibre to be processed in part towards the first compartment and in part towards the second compartment of the opener.
A device (1) of a fibre manufacturing machine, such as a lap-winder, forming a lap (L), comprises a pair of calenders (22,24) to support the lap being formed, and a belt (30) which forms a circuit next to the formation area (20), in contact with the lap in formation, to limit the formation of thickening.
D01G 25/00 - Lap-forming devices not integral with machines specified above
D01G 27/02 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with lap roll or the like loaded to provide firm packages
12.
AUXILIARY DEVICE FOR MANUFACTURING FIBRE WEBS FOR A TEXTILE MACHINE, E.G. FOR A COMBING MACHINE OR FOR A LAP-WINDER AND AUXILIARY METHOD
An auxiliary system for manufacturing fibre webs (W) of a drawing head of a combing machine, lap-winder or drawing frame, or of a forming device of a lap- winder, comprises a main cylinder (2,40,42,44,102), suitable to rotate around a rotation axis, and auxiliary device (10) comprising at least one auxiliary roller (12,14), suitable to rotate around a rotation axis essentially parallel to the axis of the main cylinder. The auxiliary roller (12,14) is positionable upon command around the main cylinder to modify the regions of engagement on the main cylinder.
D01G 27/02 - Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes with lap roll or the like loaded to provide firm packages
A blowing controlling device for rectilinear combs (9) of a combing machine, suitable for sending a blowing signal (Ss) to a solenoid valve (40) to perform the blowing, comprising a sensor (60) suitable to detect the presence in a predetermined angular position, a respective rotating signalling element (62) related to the combing cycle, and to emit a position signal (Sp), and an optical coupling device through which the position signal (Sp) is transferred from the sensor (60) to enable the sending of the blowing signal (Ss).
A wiper group (30) for a drafting roller (20) of a textile machine, for example a combing machine, a drafting frame, a carding machine and similar, comprising an oscillating support (32) on which a rubber band (36) is mounted. The wiper group is particularly efficient at absorbing the interference on the band, of the residues accumulated on the draftin roller.
An axial opener (8) for fibers in tufts comprising an input pipe (10), opener rollers (16,22) and a separation 5wall (42) upline of the cleaner rollers, to separate the compartments where the rollers are lodged and channel the fibers to be processed in part towards the first compartment and in part towards the second compartment of the opener.
The present invention relates to a spinning frame with tangential movement system of the spindles (4a). The system provides spindle groups mechanically connected to one another for balancing the action of the motors (6) on the respective spindles and for which the belts (8,16) are unencumbered by structural obstacles, so as to facilitate their replacement.
The present invention relates to a spinning frame with tangential movement system of the spindles. The system provides spindle groups mechanically connected to one another for balancing the action of the motors on the respective spindles.
The present invention relates to a device for the detection (1) of breaking of a fibre web comprising a number of spherical detection elements (20) held by rods (140).
D01H 13/16 - Warning or safety devices, e.g. automatic fault detectors, stop motions responsive to reduction in material tension, failure of supply, or breakage, of material
D01G 31/00 - Warning or safety devices, e.g. automatic fault detectors, stop motions
D01H 13/18 - Warning or safety devices, e.g. automatic fault detectors, stop motions responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only
19.
DEVICE FOR THE PREPARATION OF FLOCK FIBRES TO BE SUPPLIED TO A CARDER
The present invention relates to a device for preparing flock fibres (10) comprising an inlet pipe (12), a pair of silos (16), a pair of feeding wheels (20,22), positioned on the bottom of each silo (16), an opening wheel (40), down-line of the respective feeding wheels (20,22), a single conveyor roller (80), fed by the two opening wheels (40) by means of converging pipes.
The present invention relates to a device for preparing flock fibres (10) comprising an inlet pipe (12), a silo (16), a pair of feeding wheels (20,22), positioned on the bottom of the silo (16), an opening wheel (40), down-line of the feeding wheels (20,22), a conveyor roller (80), down-line of the opening wheel (40), an opening roller (90), down-line of the conveyor roller (80), an outlet opening (100) down-line of the opening roller (90) for the evacuation of the processed fibre, and an outlet pipe (14) for feeding the processed fibre towards subsequent processing. The opening wheel (40) and the conveyor roller (80) are in immediate succession, inside the same machine, to improve the cleaning and opening efficiency.
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