EP3327185B1 - Procédé et appareil de filature à rotor utilisant l'introduction asynchrone de trois rubans de fibres de coton et un cardage multi-étage - Google Patents

Procédé et appareil de filature à rotor utilisant l'introduction asynchrone de trois rubans de fibres de coton et un cardage multi-étage Download PDF

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EP3327185B1
EP3327185B1 EP15901886.0A EP15901886A EP3327185B1 EP 3327185 B1 EP3327185 B1 EP 3327185B1 EP 15901886 A EP15901886 A EP 15901886A EP 3327185 B1 EP3327185 B1 EP 3327185B1
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roller
carding
yarn
feeding
speed
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EP3327185A4 (fr
EP3327185A1 (fr
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Yuan XUE
Weidong Gao
Ruihua YANG
Mingrui GUO
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Jiangnan University
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Jiangnan University
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H4/00Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H4/00Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42Control of driving or stopping
    • D01H4/44Control of driving or stopping in rotor spinning
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D02G3/346Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process

Definitions

  • the present invention relates the field of rotor spinning in the textile industry.
  • the basic principle of the rotor spinning yarn is that the sliver is fed through the trumpet and is held by feeding plate and feeding roller.
  • the feeding roller rotates to feed the sliver to the carding area.
  • the sliver is opened and stripped, carded separately and mixed by the carding roller, which rotates at a high speed in the carding area, so that the sliver becomes single fibers which are separated and arranged parallel to each other.
  • the single fibers enter into a fiber transport channel. Under the action of air flow, the fiber flows into the rotor through the fiber transport channel. Under the centrifugal force of the rapidly rotating rotor, the fibers in the collection groove are further piled up and mixed, and then the fibers are jointed with the mother-yarn and twisted by a navel to form a yarn.
  • the patent "Method and equipment for rotor spun slub yarn” (patent number CN00137211.4 ) can achieve invariable blending ratio but the linear density changes during the rotor spinning process.
  • the principle of the patent is that the asynchronous motor and the stepper motor drive feeding roller through the differential, screw and worm wheel.
  • the stepper motor under the control of the intelligent controller, performs the following operations: reducing from high speed to low speed; continuing to run for a period of time; accelerating to high speed; continuing to run for a period of time, and the rotor spins a segment of slub yarn.
  • the patent can produce a yarn with variable densities but cannot change blending ratios of the yarn.
  • the production of the yarn with the linear density and blending ratio both changed requires not only that the feeding amount of the two or more of the fed roving can be controlled separately on line, but also that the total amount of the fed roving can be controlled when the feeding amount of the roving is changed.
  • the main problem of the existing rotor spinning technology which can produce the yarn having an invariable linear density and blending ratio is that it is impossible to blend two or more fibers in any proportion during the rotor spinning process.
  • a device for implementing a rotor spinning method with multi-level carding and multi-component feeding includes a spinning system and a computer control system.
  • the spinning system comprises a feeding and carding mechanism, a collecting and twisting mechanism, and a winding and forming mechanism.
  • the device is characterized in that the feeding and carding mechanism comprises a multi-level carding roller and a combined feeding roller having three rotation freedom degrees. The speed ratio of the three combined feeding rollers with rotational freedom degree can be adjusted.
  • the collecting and twisting mechanism includes a fiber transport channel, a rotor, and a yarn guider.
  • the winding and forming mechanism includes a couple of guide roller and winding mechanism.
  • the computer control system includes a PLC programmable controller, a servo driver and a servo motor.
  • the three combined feeding rollers with rotation freedom degrees and the multi-level carding roller are driven by the servo motor.
  • the combined feeding rollers with three rotational freedom degrees comprises a shaft, a bearing, a hollow shaft, a first gear, a second gear, a third gear, a washer, a first movable roller, a second movable roller, and a third movable roller.
  • the first gear, the second gear, the third gear, the first movable roller, the second movable roller, and the third movable roller rotate around the same axis.
  • the first to the third gears respectively drive the first to the third movable rollers.
  • the multi-level carding roller comprises the first carding roller, the second carding roller and the third roller that are arranged in parallel.
  • the rotation speed of the multi-level carding roller is progressively increased from the first level to the third level.
  • the rotation speed of the first carding roller is 1500-3000 rpm
  • the rotation speed of the second carding roller is 3000-6000 rpm
  • the rotation speed of the third carding roller is 6000-12000 rpm.
  • the density of carding needles of the multi-level carding roller progressively increases from the first carding roller to the third carding roller.
  • the other objective of the present invention is to provide a rotor spinning method using the above device.
  • the method includes feeding, carding, collecting and twisting, guide and winding.
  • the method is characterized in that combined feeding rollers with three rotational freedom degrees are used in the fiber feeding to feed the fiber into the carding area asynchronously, and multi-level carding roller is used in the carding process.
  • three slivers (or three different raw material slivers, or three kinds of colored slivers, hereinafter referred to as three components) can be asynchronously fed into the rotor spinning and carding area through the combined feeding rollers.
  • the three slivers After opening, carding, orienting, separating and mixing, by the multi-level carding roller, the three slivers are gradually combed into bundle fibers and further combed into single fibers. Under the action of centrifugal force and air flow, a continuous flow comprised by single fibers released and transferred from the carding roller enters into the rotor rotating at a high speed.
  • the fiber flow In the rotor, the fiber flow, under the centrifugal force, is collected together into a sliver again, and then twisted by the navel, and then guided by the guide roller to form the rotor spinning yarn.
  • the servo driving system is controlled by a computer program to feed three slivers asynchronously to the carding area by feeding rollers having three freedom degrees. By controlling the feeding amount and feeding ratio of the three feeding rollers, it is possible to dynamically configure the final yarn density of the rotor spinning and the blending ratio of the three components to produce slub yarn, segment-color yarn, segment-color slub yarn, and mixture yarn.
  • the speed of the first carding roller is low, so that it is ensured that when the plurality of the slivers with great difference are fed, the total number of carding fibers of each sliver carded by the carding roller are within a reasonable range, thereby reducing damage to the fiber.
  • the speed of the second carding roller is higher than that of the first carding roller. After being carded by the second carding roller, the longitudinal orientation of the fiber is optimized, horizontal transfer mixing of the fiber is further optimized.
  • the third carding roller is a high-speed carding roller. The fiber, after being carded by the third carding roller, obtains not only a better carding and transfer, but also the transport speed is improved, thereby meeting the requirement of centrifugal force for entering the fiber transport channel.
  • the fiber can smoothly and orderly go into the rotor to form yarns.
  • the large-scale drafting function where the slivers are combed into web, which is then combed into bundles of fibers, which are then separated into as single fibers is successfully completed, which enhances the function of the carding area of the rotor spinning, providing flexibility, high efficiency, and high yield.
  • the present invention constructs the corresponding mathematical model of spinning and the algorithm of the program.
  • the mechatronic servo control system Through the mechatronic servo control system, the random control of the linear density and blending ratio of the rotor spinning yarn are achieved.
  • the three kinds of spinning yarns are shown as following:
  • Subscripts 1, 2, 3, represent component A, component B, component C, respectively.
  • the fiber holding time of each component is also greatly different.
  • the rotation speed of the single carding roller is high. Therefore, when there is a significant difference in feeding amount, the number of times that a fiber of the three slivers is carded will be significantly different, and the more the fiber experiences carding, larger will be the damage to this fiber.
  • the present invention adopts the form of three-level carding rollers, that is, the first carding roller, the second carding roller and the third carding roller.
  • the large-scale drafting function where the slivers are combed into web, which is then combed into fiber bundles which are separated into single fibers, is successful completed, which enhances the function of the carding area of the rotor spinning, meets the special requirements for the carding of multiple slivers asynchronously feeding into the rotor spun unit.
  • the effects of flexibility, high efficiency, and high yield are realized.
  • E 2 V 2
  • V 1 ⁇ 11 + ⁇ 21 + ⁇ 31 ⁇ 12 + ⁇ 22 + ⁇ 32
  • E 3 V 3
  • V 2 ⁇ 12 + ⁇ 22 + ⁇ 32 ⁇ 13 + ⁇ 23 + ⁇ 33
  • K 1 ⁇ 1 V 01 ⁇ 1 V 01 + ⁇ 2 V 02 + ⁇ 3 V 03
  • K 2 ⁇ 2 V 02 ⁇ 1 V 01 + ⁇ 2 V 02 + ⁇ 3 V 03
  • K 3 ⁇ 3 V 03 ⁇ 1 V 01 + ⁇ 2 V 02 + ⁇ 3 V 03
  • V 01 ′ V 01 + ⁇ V 01
  • V 02 ′ V 02 + ⁇ V 02
  • V 03 ′ V 03 + ⁇ V 03
  • K 1 V 01 V 0
  • K 2 V 02 V 0
  • K 3 V 03 V 0
  • V 01 , V 02 and V 03 the blending ratio (color mixing ratio) of different fibers (different colors) in the yarn can be changed under the condition that V 0 is kept invariable, so that k 1 , k 2 and k 3 are changed between 0 - 100%.
  • the minimum increment of the color mixing ratio is 0.1, wherein one of the color schemes is as follows: Table 1 color scheme color A color mixing ratio k 1 color A color mixing ratio k 2 color A color mixing ratio k 3 Color Code monochrome Color A 1 0 0 1 Color B 0 1 0 2 Color C 0 0 1 3 Double mixed color AB 0.1 0.9 0 4 0.2 0.8 0 5 0.3 0.7 0 6 0.4 0.6 0 7 0.5 0.5 0 8 0.6 0.4 0 9 0.7 0.3 0 10 0.8 0.2 0 11 0.9 0.1 0 12 Double mixed color AB 0.1 0 0.9 13 0.2 0 0.8 14 0.3 0 0.7 15 0.4 0 0.6 16 0.5 0 0.5 17 0.6 0 0.4 18 0.7 0 0.3 19 0.8 0 0.2 20 0.9 0 0.1 21 Double mixed color AB 0 0.1 0.9 22 0 0.2 0.8 23 0 0.3 0.7 24 0
  • k 1 +k 2 +k 3 100% can have numerous combinations. Based on the three primary colors (three kinds of color slivers) by coupling and drafting, color alternating, gradient color matching, twisting and mixture, numerous color schemes can be formed. In addition, it is possible to form a segment-color yarn having a variety of color distribution in the yarn.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (11)

  1. Procédé de filage à rotor pour l'entrée asynchrone à trois rubans et le cardage à trois niveaux, comprenant :
    1) alimentation de la fibre (2-11) par un rouleau d'alimentation combinés (2-4, 2-5, 2-6) comprenant trois degrés de liberté de rotation dans la zone de cardage, dans lequel un rouleau de cardage à trois niveaux comprenant trois rouleaux de cardage (2-8, 2-9, 2-10) est utilisé pour carder;
    2) déplacement des trois rouleaux d'alimentation (2-4, 2-5, 2-6) aux vitesses linéaires V01, V02, et V03, respectivement ; déplacement d'un rotor (2-12) à une vitesse linéaire V4 et déplacement d'un rouleau de guidage (1-14, 1-15) à une vitesse linéaire V5 ; réglage des densités linéaires de trois rubans (2-1, 2-2, 2-3) aspirés par les trois rouleaux d'alimentation (2-4, 2-5, 2-6) à ρ1, ρ2, et ρ3, respectivement, et réglage de la densité d'un filé de rotor pour qu'elle soit ρ, de telle sorte que le rapport de tirant d'eau d'un filé de rotor (2-13) est tel qu'indiqué ci-dessous : E = ρ 1 + ρ 2 + ρ 3 V 3 ρ 1 V 01 + ρ 2 V 02 + ρ 3 V 03 = ρ 1 + ρ 2 + ρ 3 ρ
    Figure imgb0107
    une densité linéaire du filé de rotor est formée, ρ = ρ 1 V 01 + ρ 2 V 02 + ρ 2 V 02 V 5
    Figure imgb0108
    dans laquelle les vitesses de trois rouleaux de cardage (2-8, 2-9, 2-10) sont les suivantes : la vitesse d'un premier rouleau de cardage (2-8) est de 1500-3000 tr/min, une vitesse d'un deuxième rouleau de cardage (2-9) est de 3000-6000 tr/min, une vitesse d'un troisième rouleau de cardage (2-10) est de 6000-12000 tr/min,
    3) les rapports de mélange des trois rubans (2-1, 2-2, 2-3) dans le fil de filage de rotor sont K1, K2, K3, respectivement : K 1 = ρ 1 V 01 ρ 1 V 01 + ρ 2 V 02 + ρ 3 V 03
    Figure imgb0109
    K 2 = ρ 2 V 02 ρ 1 V 01 + ρ 2 V 02 + ρ 3 V 03
    Figure imgb0110
    K 3 = ρ 3 V 03 ρ 1 V 01 + ρ 2 V 02 + ρ 3 V 03
    Figure imgb0111
    4) en supposant que la vitesse V5 du galet de guidage r est invariable, les variables des vitesses d'alimentation V01, V02, V03, des trois rouleaux d'alimentation (2-4, 2-5, 2-6) des trois rubans (2-1, 2-2, 2-3) sont respectivement comme suit: V01' = V01 + ΔV01, V02' = V02 + ΔV02, V03' = V03+ ΔV03 puis la densité linéaire dynamique du filé de rotor (2-13) est obtenue selon la formule (6) Δρ = ρ 1 ΔV 01 + ρ 2 ΔV 02 + ρ 3 ΔV 03 V 5
    Figure imgb0112
    5) en supposant que ρ1 = ρ2 = ρ3 = ρ0, V01+V02+V03 = V0
    obtention d'un rapport de mélange de référence selon les formules (3), (4), (5) comme suit K 1 = V 01 V 0 ,
    Figure imgb0113
    K 2 = V 02 V 0 ,
    Figure imgb0114
    K 3 = V 03 V 0 ,
    Figure imgb0115
    dans laquelle, lorsque V01+V02+V03→V01+ΔV01+V02+ΔV02+V03+ΔV03, le rapport de mélange devient comme ci-dessous : K 1 = V 01 + ΔV 01 V 0 + ΔV 0
    Figure imgb0116
    K 2 = V 02 + ΔV 02 V 0 + ΔV 0
    Figure imgb0117
    K 3 = V 03 + ΔV 03 V 0 + ΔV 0
    Figure imgb0118
    Réalisation du filage dynamiquement ajustable de différents rapports de mélange de couleurs ou de mélanges de couleurs dans le fil avec différentes fibres ou couleurs par contrôle de V01, V02, V03.
  2. Procédé selon la revendication 1, caractérisé en ce que: en supposant que ρ1 = ρ2 = ρ3 = ρ0, V01+V02+V03 = V0 obtention d'un taux de variation dynamique de la densité du filé de rotor selon les formules (2) et (6) : ε ρ = ΔV 01 + ΔV 02 + ΔV 03 V 0 = ΔV 0 V 0
    Figure imgb0119
    obtention d'une régulation dynamique aléatoire de la densité linéaire et du rapport de mélange du filé de rotor en contrôlant la vitesse des trois rouleaux d'alimentation (2-4, 2-5, 2-6).
  3. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 03 ,
    Figure imgb0120
    ou ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 02
    Figure imgb0121
    ou ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 01
    Figure imgb0122
    changement de vitesse de un des trois rouleaux d'alimentation (2-4, 2-5, 2-6) pour obtenir un fil à densité linéaire variable, dans laquelle un composant a une densité linéaire variable et deux composants ont des densités linéaires invariables.
  4. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 01 + ΔV 02 ,
    Figure imgb0123
    ou ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 02 + ΔV 03
    Figure imgb0124
    ou ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 01 + ΔV 03
    Figure imgb0125
    changement de vitesse de deux des trois rouleaux d'alimentation (2-4, 2-5, 2-6) pour obtenir un fil à densité linéaire variable, dans laquelle deux composants ont des densités linéaires variables et un composant a des densités linéaires invariables.
  5. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + V 02 + V 03 + ΔV 01 + ΔV 02 + ΔV 03 ,
    Figure imgb0126
    changement de vitesse de trois des trois rouleaux d'alimentation (2-4, 2-5, 2-6) pour obtenir un fil à densité linéaire variable, dans laquelle trois composants ont des densités linéaires variables.
  6. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 + V 03 + ΔV 03 0 t T 1
    Figure imgb0127
    ρ = ρ + Δρ= ρ V 0 V 02 + ΔV 02 T 1 t T 2
    Figure imgb0128
    ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 + V 03 + ΔV 03 T 2 t T 3
    Figure imgb0129
    ρ = ρ + Δρ= ρ V 0 V 02 + ΔV 02 T 3 t T 4 ,
    Figure imgb0130
    dans lequel le changement de vitesse des trois rouleaux d'alimentation (2-4, 2-5, 2-6) et le changement de vitesse d'un rouleau des trois rouleaux d'alimentation (2-4, 2-5, 2-6) alternent pour réaliser un fil à densité linéaire variable dans lequel un composant est continu et deux composants sont discontinus, dans lequel t, T1, T2, T3 et T4 représentent le temps.
  7. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 + V 03 + ΔV 03 0 t T 1
    Figure imgb0131
    ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 T 1 t T 2
    Figure imgb0132
    ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 + V 03 + ΔV 03 T 2 t T 3
    Figure imgb0133
    ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 T 3 t T 4
    Figure imgb0134
    dans lequel le changement de vitesse des trois rouleaux d'alimentation (2-4, 2-5, 2-6) et le changement de vitesse de deux rouleau des trois rouleaux d'alimentation (2-4, 2-5, 2-6) alternent pour réaliser un fil à densité linéaire variable dans lequel deux composants sont continus et un composant est discontinu, dans lequel t, T1, T2, T3 et T4 représentent le temps.
  8. Procédé selon la revendication 2, caractérisé en ce que: ρ = ρ + Δρ= ρ V 0 V 01 + ΔV 01 + V 02 + ΔV 02 + V 03 + ΔV 03
    Figure imgb0135
    dans lequel les vitesses des trois rouleaux d'alimentation (2-4, 2-5, 2-6) sont changés pour réaliser un fil à densité linéaire variable, dans laquelle trois composants sont continus et la densité linéaire est variable.
  9. Procédé selon la revendication 2, caractérisé en ce que: dans la méthode de contrôle de la vitesse d'alimentation dynamique du fil, ΔV0 = ΔV01+ΔV02+ΔV03, le changement de vitesse est dérivé de ΔV01+ΔV02 ou ΔV03 et déterminé par le rapport de mélange, et puis ΔV 01 = K 1 V 0 + ΔV V 01 , ΔV 02 = K 2 V 0 + ΔV V 02 , ΔV 03 = K 2 V 0 + ΔV V 03 .
    Figure imgb0136
  10. Dispositif pour réaliser le procédé selon l'une quelconque des revendications précédentes, comprenant un système de filage et un système de contrôle par ordinateur, dans lequel le système de filage comprend un mécanisme d'alimentation et de cardage, un mécanisme de collecte et de torsion, et un mécanisme d'enroulement et de formation, dans lequel le mécanisme d'alimentation et de cardage comprenant un rouleau d'alimentation combiné comprenant trois rouleaux d'alimentation (2-4, 2-5, 2-6) ayant trois degrés de liberté de rotation, un rouleau de cardage à trois niveaux comprenant trois rouleaux de cardage (2-8, 2-9, 2-10) ; dans laquelle un rapport de vitesse des trois rouleaux d'alimentation (2-4, 2-5, 2-6) du rouleau d'alimentation combiné avec trois degrés de liberté de rotation est ajusté, le mécanisme de collecte et de torsion comprend un canal (1-10) de transport de fibres, un rotor (1-12) et un dispositif de guidage ; le mécanisme de remontage comprend un mécanisme de guidage et de remontage ; le système de commande par ordinateur comprend un automate programmable PLC, un servomoteur, un servomoteur ; dans laquelle les trois rouleaux d'alimentation (2-4, 2-5, 2-6) avec trois degrés de liberté de rotation et le rouleau de cardage à trois niveaux (2-8, 2-9, 2-10) sont entraînés par le servomoteur.
  11. Dispositif selon la revendication 10, caractérisé en ce que le rouleau d'alimentation combiné (2-4, 2-5, 2-6) avec trois degrés de liberté de rotation comprend un arbre (4-12), un palier (4-1, 4-10), un arbre creux (4-2), un premier engrenage (4-3), un deuxième engrenage (4-9), un troisième engrenage (4-11), une rondelle (4-4, 4-8), un premier rouleau mobile (4-5), un deuxième rouleau mobile (4-6), un troisième rouleau mobile (4-7), dans lequel le premier engrenage (4-3), le deuxième engrenage (4-9), le troisième engrenage (4-11), le premier rouleau mobile (4-5), le deuxième rouleau mobile (4-6), et dans lequel le troisième engrenage (4-7) tournent autour du même axe, le premier engrenage (4-3), le deuxième engrenage (4-9), le troisième engrenage (4-11) entraîne respectivement le premier rouleau mobile (4-5), le deuxième rouleau mobile (4-6) et le troisième rouleau mobile (4-7).
EP15901886.0A 2015-08-21 2015-10-30 Procédé et appareil de filature à rotor utilisant l'introduction asynchrone de trois rubans de fibres de coton et un cardage multi-étage Active EP3327185B1 (fr)

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CN201510518853.9A CN105063821B (zh) 2015-08-21 2015-08-21 三棉条异步输入和多级分梳的转杯纺纺纱方法及装置
PCT/CN2015/000737 WO2017031612A1 (fr) 2015-08-21 2015-10-30 Procédé et appareil de filature à rotor utilisant l'introduction asynchrone de trois rubans de fibres de coton et un cardage multi-étage

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CN106048823A (zh) * 2016-08-11 2016-10-26 苏州维杰纺织有限公司 一种防断丝包芯纱制备装置
CN107099889B (zh) * 2017-06-22 2019-03-19 江南大学 多通道转杯纺纤维喂入装置及其喂入方法
CN108588932A (zh) * 2018-04-27 2018-09-28 江南大学 在线改变混纺比及纱线细度的长丝短纤复合纱生产装置
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CN105063821B (zh) 2018-01-19
EP3327185A1 (fr) 2018-05-30

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