EP1819857B1 - Fadenliefergerät mit rückholbetrieb - Google Patents

Fadenliefergerät mit rückholbetrieb Download PDF

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Publication number
EP1819857B1
EP1819857B1 EP05802281.5A EP05802281A EP1819857B1 EP 1819857 B1 EP1819857 B1 EP 1819857B1 EP 05802281 A EP05802281 A EP 05802281A EP 1819857 B1 EP1819857 B1 EP 1819857B1
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EP
European Patent Office
Prior art keywords
yarn
thread
drive
delivery wheel
delivering device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05802281.5A
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German (de)
English (en)
French (fr)
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EP1819857A2 (de
Inventor
Rolf Huss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Memminger IRO GmbH
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Memminger IRO GmbH
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Publication of EP1819857A2 publication Critical patent/EP1819857A2/de
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices

Definitions

  • the invention relates to a yarn feeding device, which is particularly adapted for use on knitting machines or other thread-consuming machines that sometimes return thread.
  • Such machines are, for example, flat knitting machines with a reciprocating carriage, wherein at least at one of the carriage reversal points a short yarn return can occur. Thread return can also occur in flat knitting machines, if they have multiple knitting locks and threads, of which individual can be switched inactive for one or more strokes.
  • a storage specialist for use on flat knitting machines combined with a separate dynamic thread store.
  • the yarn coming from the storage feeder is fed to the flat knitting machine via a yarn store.
  • the yarn store is formed by a long torque acted upon lever, at its free end a thread eyelet is formed.
  • the lever is pivotally mounted.
  • a yarn brake and a yarn tension sensor are arranged in the yarn path. The amount of thread returned during the carriage reversal is absorbed by first closing the controlled thread brake, so that no further thread can be withdrawn by the storage specialist. Then, the pivot lever is subjected to torque, so that this receives the returned by the yarn guide of the flat knitting machine thread by pulling an acute-angled thread loop in the length.
  • This type of thread storage is particularly suitable for Speicherfournisseure, in their application, the knitting machine picks up the thread from the Speicherfournisseur. However, this contradicts the positive feeders principle of the knitting machine to allocate a predetermined amount of thread.
  • An intermediate storage of thread is also according to the yarn delivery device DE 37 32 102 C1 possible.
  • This document discloses an electronically controlled positive feeder with a looped by the thread Fadenunterrad. The thread running to the knitting machine is passed through a thread store. To this belongs an almost 360 ° swivel mounted lever, through whose end the thread runs. Within the circle described by the thread loop several thread support elements are arranged, which define a polygonal thread store. If thread is left between the thread delivery wheel and the connected machine and is not picked up by the machine, this amount of thread is deposited by the lever on the thread support elements.
  • This type of yarn delivery is particularly suitable for yarn delivery with a constant yarn tension.
  • an apparatus for controlling the supply of yarn to a textile machine has means for measuring and changing the speed of the yarn with a rotating component.
  • the device is provided with receiving means for the yarn, which are arranged in front of the means for measuring and changing the speed.
  • a thread store for recording all thread lengths is from the DE 36 29 699 A1 known, which relates to a method for digital thread length control on textile machines.
  • the thread store is arranged after a feeder motor and in front of a control motor.
  • the DE 34 29 207 C2 describes a yarn feeding device with a rotatable delivery element which is driven by a controllable drive motor. The speed of the drive motor is synchronized with the withdrawn amount of thread.
  • a device for winding or winding threads from or on a yarn package known, in which the thread is guided by means of a winding finger on the yarn package.
  • the winding finger sits on a shaft arranged concentrically to the yarn package, which is driven by an electric motor.
  • the winding finger runs around the outer circumference of the yarn package.
  • the electric motor can be controlled in such a way that the yarn is unwound from the yarn package or even onto it is rewound.
  • a thread tensioner is provided, with which the thread tension is checked. If there is a need for a return delivery, the winding finger rewinds the thread until the thread tensioning roller is returned to its normal position by the tensioning thread.
  • Bobbins are generally grouped together on so-called bobbin creels, of which the threads are only passively removed, if required, even over longer distances. Inclusion of the yarn packages in the active winding and unwinding is hardly desired in many cases and with larger distances between the yarn package and the knitting machine also not possible.
  • the yarn storage preferably has a concentric to the yarn feed wheel arranged yarn storage surface, either as a contiguous, uninterrupted surface or as a discontinuous surface, for. B. in the form of several individual surfaces may be formed.
  • the individual surfaces can be, for example, support areas of pens or the like.
  • the arrangement concentric with the yarn feeding wheel allows the uniform winding and unwinding of the yarn fed back from the yarn feeding wheel on its inlet side with a uniform tension.
  • the thread store is associated with a thread layer, which hangs up the yarn coming from the yarn feed on the storage surface and decreases from this again.
  • the suture layer may be formed by a thread guide eye which, for example, is guided by a suitable lever on a circular path concentric with the yarn feed wheel.
  • the thread-laying device is preferably assigned a thread-laying drive device, which is independent of the drive device of the yarn feed wheel.
  • both drive devices are formed by electric motors. Both electric motors can be controlled by a control device which moves the thread leveler and the yarn feed wheel coordinated with each other.
  • the control device preferably differentiates between several operating states, e.g. according to claim 9. Thereafter, the controller allows the thread-laying and the yarn feeding device in return operation with matched speeds rotate backwards, so that the retrieved thread is deposited on the thread store, without new thread is tightened in the thread store.
  • the yarn reserve thus formed is first used up, with the yarn feed wheel and the yarn feeder rotating with matched rotational speed forward.
  • the thread feeder remains z. B. are in a fixed position, wherein the yarn feed wheel continues to rotate unabated forward. From the time the yarn laying is stopped, the yarn feeding wheel then picks up the yarn from the yarn package.
  • the advantage of this device is that a connected knitting machine can commute as often as desired without consuming thread.
  • the thread is unwound at each shuttle on the thread storage on and from this again.
  • the speed of the thread leveler and the Fadenarrirads are coordinated so that no thread is made up by the yarn package, so that the total amount of yarn present in the yarn feeding device does not increase.
  • the amount of yarn of the yarn feeding device oscillates between a maximum value and a minimum value, whereby these can differ by more than one meter.
  • the drive device of the yarn delivery wheel and the thread-laying drive device are each formed by an electric motor, preferably a position-controlled electric motor.
  • an electric motor preferably a position-controlled electric motor.
  • the thread-laying drive device is formed in this case by a transmission clutch brake combination.
  • the yarn feed wheel is driven in normal operation at a predetermined speed.
  • the predetermined speed can be derived from the operating speed or speed of the knitting machine. It is desirable to synchronously operate the yarn feed wheel and the knitting machine in a predetermined speed ratio. This operation is called positive operation.
  • the yarn delivery wheel divides the knitting machine to the desired amount of thread and thus determines the mesh size of the knitted fabric.
  • a yarn store with low storage capacity between the yarn feed wheel and the knitting machine can be provided. This thread store However, it does not serve the caching of retrieved thread. In any case, its capacity is insufficient. It is only intended for buffering voltage spikes, which otherwise might occur during switch-on processes (starting and stopping of the yarn feed wheel). In the simplest case, this yarn storage is formed by a thin, light and resilient lever that holds a thread loop.
  • the yarn feeder is constantly switched between positive operation and voltage-controlled operation when commuting the knitting machine (positive delivery for normal operation and voltage control for return operation).
  • Both the thread layer and the yarn feed wheel are preferably connected to angle encoders.
  • the control device is preferably provided with a counter or other monitoring device, which counts the angle steps passed through by the thread layer and preferably also the angular steps passing through the thread delivery wheel, in particular during return operation.
  • the angle traveled by the thread layer as well as the thread delivery wheel can also be registered in another way.
  • the controller monitors in this way the amount of buffered in the thread storage thread. You can switch in normal operation with quiescent thread layer, if the entire forward registered path is traversed backwards or alternatively if the thread layer has reached a predetermined fixed position.
  • the suture layer can move from its normal speed are braked gradually to its zero speed to avoid jerky thread tension changes on the inlet side of the yarn feed wheel.
  • the thread running on the thread delivery wheel is relieved in this way. In cooperation with the pattern memory of the knitting machine, it can be ensured that this gradual deceleration only takes place when the pendulum operation is terminated in order to avoid an otherwise occurring gradual filling of the thread store.
  • the control of the yarn feeding device is preferably carried out by the machine control, in particular their pattern memory.
  • This provides the data on the quantities of yarn to be delivered, which correspond to yarn feed wheel speeds, as well as the times for delivery start and end of delivery.
  • the yarn feeder converts these values as error-free as possible. It is also possible to operate the yarn feeding device self-learning. For this purpose, e.g. the thread tension during trial operation voltage controlled to a setpoint. In this case, the yarn feed wheel speeds of all yarn feed wheels of all active yarn feed devices are monitored and a suitable mean value is determined as the desired value for the later positive operation.
  • the suture layer can further be used to substantially improve the dynamics of the suture delivery wheel. It turns out, namely, that with a sudden yarn requirement from zero to high delivery speed not only the drive device and the yarn delivery wheel itself must be accelerated, but also the entire yarn from the yarn package to the yarn consumption point.
  • the thread is to accelerate and also stiction is overcome.
  • the thread running on the input side of the yarn feed wheel brakes the yarn feed wheel.
  • the acceleration of the same can be significantly improved if the suture just before such an acceleration phase produces a smaller reserve of thread on the thread store and if the suture with the start of Fadenarrirads is also accelerated to the Fadenarrirad first with thread from the thread store and only when approaching to supply its fixed position with thread from the yarn package.
  • the thread store serves to decouple the yarn feed wheel during its acceleration phase in terms of power from the yarn package.
  • FIG. 1 is a yarn feeding device illustrated, for example, for the delivery of hard (less elastic) or elastic threads used on flat knitting machines or circular knitting machines.
  • the yarn feeding device 1 is suitable for yarn delivery on knitting machines, which have time-varying yarn requirements and / or temporarily return yarn.
  • the yarn feeding device 1 has an example also from FIG. 2 apparent carrier 2, on which a drive device 3 is held for a yarn feed wheel 4. It is represented as a hexagon. In practice, it can also be Distributüglig and form, for example, a hexagon.
  • the drive device 3 is formed, for example, by an electric motor 5, the armature 6 is connected to an output shaft 7, which carries the yarn feed wheel 4.
  • angle encoder 8 which serves to detect the current rotational position of the armature 6.
  • the angle transmitter 8 or an associated electronic circuit 9 is connected to a control device 11 which serves to drive stator windings 12 of the electric motor 5.
  • the yarn feed wheel 4 is preferably designed to allow particularly large spins, particularly low in inertia.
  • it has a number of mutually identical in different radial directions oriented wire brackets 13, 14, 15 (and others without separate reference numeral).
  • the wire hanger 13, 14, 15 are taken on a hub 16 which sits on the output shaft 7. They are each approximately U-shaped, wherein they have a central, straight portion 17 for the filament winding and in particular on the drive device 3 side facing a radially outwardly directed projection 18. This marked an inlet side 19 of the yarn feed wheel 4th
  • a yarn feeder 21 On the inlet side 19 of the yarn feed wheel 4, a yarn feeder 21 is provided which belongs to a yarn store 22.
  • To the yarn store 22 also includes a here preferably frusto-conical from the yarn feed 4 away tapered yarn storage surface 23 which is arranged concentrically to the drive shaft 7. It is preferably substantially shorter in the axial direction of the drive shaft 7 than the sections 17 of the wire bracket 13, 14, 15th
  • the yarn feeder 21 bridges the axial distance between the yarn storage surface 23 and the inlet side 19 of the yarn feed wheel 4.
  • the circulation lever 25 is associated with a thread-laying drive device 27, to which a preferably position-controlled electric motor 28 belongs. Its output shaft 29 is connected via a gear connection in the form of two gears 31, 32 with the circulation lever 25.
  • the electric motor 28 is controlled by the control device 11. It is connected thereto with signal lines 33 and with control lines 34 for driving its windings with the electric motor 28. Corresponding signal lines 35 and drive lines 36 are also present for the electric motor 5.
  • the thread-laying drive device can be assigned a locking device 37 for locking the circulation lever 25 in a fixed position.
  • the locking device 37 may be actuated by an electromagnet 38, which may be actuated by the control device 11 can. If the thread layer 21 is to perform more than one revolution, the locking device 37 is transferred into the release position, ie unlocked.
  • a stop pin 38a is provided, which is movable by the electromagnet 38 between a blocking position and a stop position.
  • a thread tension sensor 39 is also mounted, which serves to detect the tension of the running thread 41. It has a thread support pin 42 over which the thread 41 runs at an obtuse angle, it is connected to a corresponding force measuring device 43, which supplies a thread tension measured value to the control device 11 or any other suitable device.
  • the thread tension sensor 39 may as shown FIG. 1 can be housed in a part housing 44, on the front side of a display 45 and a plurality of operating elements 46, 47 can be accommodated.
  • the specified by the sub-housing 44 and the thread support pin 42 yarn path is, in particular FIG. 2 can recognize, oriented at an obtuse angle to the axis of rotation of the yarn feed wheel 4.
  • the thread-laying 21 is used in particular to wind thread 41 on the thread storage surface 23 or unwind from this.
  • the thread 41 is guided before it reaches the thread storage surface 23 through a thread inlet eye 48.
  • a yarn brake 49 the only in FIG. 4 is illustrated schematically.
  • the thread brake 49 is preferably a non-controlled thread brake that adjusts a constant thread tension. If necessary, however, their braking elements can also be acted upon by a controlled clamping force.
  • the brake elements for example, with an electrical adjusting device (eg an electric motor or an electromagnet, a piezo actuator or the like) controlled by the controller 11.
  • this controls the yarn brake 49 so that the braking force is increased when the yarn feeder 21 fills or empties the yarn store 22 while the braking force is reduced when the yarn store 22 is empty and the yarn feed wheel delivers yarn positively to the knitting machine from the yarn package follow suit.
  • a non-illustrated Einlaufabsteller is preferably provided before the thread brake 49. This works preferably optically. But it can also be provided a simple mechanical stop in the form of a mechanical feeler lever.
  • the thread monitoring in front of the yarn feed wheel 4 is preferred to the yarn monitoring behind the yarn feed wheel 4.
  • the thread tension sensor 39 is less suitable for thread monitoring, because thread tension values of zero can occasionally occur even with proper operation. In addition, it should be prevented in any case that the end of a broken thread runs into the machine.
  • the thread layer 21 is also possible to use the thread layer 21 as a stand-off, ie to monitor the thread.
  • the force exerted by the thread on the thread layer force is monitored. If this drops to too low a value or zero while the yarn feed wheel is running, this is considered a yarn breakage.
  • this can be achieved, for example, by holding the thread-laying element 21 away from the thread a few mm away from the stop (pin 38a), but elastically holding it too taut. If the suture strikes the pin 38a, this is detected by a suitable sensor and evaluated as a thread breakage.
  • the yarn feed wheel 4 rotates in the direction of the arrow 50, for example, counterclockwise.
  • the thread 41 runs tangentially in a direction indicated by the arrow 52 yarn feeding direction of the yarn feed wheel 4 and via the yarn tension sensor 39 to a yarn consumption point.
  • the thread wraps around, how special FIG. 3 can be seen, the yarn feed 4 several times and is thus promoted essentially without slippage.
  • slippage causing means such as. Fadenabheberoche or the like, may be provided. Slippage can also be made possible by a slip clutch between the drive shaft 7 and the yarn feed wheel or by a reduction of the looping of the yarn feed wheel 4 through the yarn 41.
  • slip can be generated by only very few turns of thread are placed around the yarn feed wheel 4. It is also possible to thread in less than a whole Wrap around with the yarn feed wheel 4 in contact (for example, a three-quarters wrap) to bring.
  • the control device 11 determines the speed of the yarn feed wheel 4 and thus the yarn delivery speed and yarn delivery quantity. This operating mode is called positive mode (with tangential thread run).
  • the yarn feed wheel 4 stops. No more yarn is delivered. Out of a stop, normal operation can be resumed at any time FIG. 4 be recorded.
  • the yarn feeding device 1 assumes its return operation.
  • the yarn feeding device immediately detects a reduction in the thread tension on the thread support pin 42 and now tries to restore the thread tension by reversing the drive device 3. It now performs a reverse rotation in the clockwise direction according to arrow 53 in FIG. 5 , It takes the thread 41 thus in the return direction according to arrow 54 with the yarn feed wheel 4 again.
  • the thread 41 runs tangentially on the yarn feed wheel 4.
  • the yarn feed wheel 4 has already turned backwards by about 30 °. This is by comparing the positions of the wire bracket 14 in the FIGS. 4 and 5 seen.
  • the control device 11 has for this purpose the thread layer 21 driven, so that the tube 24, as FIG. 5 shows, has been adjusted by about 15 ° in the clockwise direction (arrow 51).
  • the adjustment of the yarn layer 21 is preferably not voltage controlled but "positive", ie according to a calculated adjustment, which is determined from the detected reverse rotation of the yarn feed wheel. For detecting the yarn tension on the yarn layer 21 no means are provided. If necessary, however, a voltage-controlled actuation of the thread layer 21 is possible.
  • FIGS. 6 to 9 Upon further feeding back of the thread 41, the states follow FIGS. 6 to 9 on.
  • FIG. 6 illustrates the tube 24 of the thread layer 21 while the thread 41 while on the thread storage surface 23 from.
  • the thread-laying device 21 has performed approximately a quarter turn, while the wire bow 14 and thus the yarn feed wheel 4 have performed more than half a turn.
  • the thread brake 49 may be braked to prevent tightening of the thread.
  • the knitting machine stops delivering thread the return operation is terminated. This can, for example, in the in FIG. 9 illustrated position of the thread layer 21 and the yarn feed wheel 4 happen. If the knitting machine now starts to remove thread, the yarn feeding device changes to a modified normal mode, in which now no longer tension-controlled thread taken back, but quantity-controlled, ie 4 thread is supplied to the knitting machine under speed specification for the yarn feed wheel. The arrows turn in the FIGS. 9 to 5 around. Now run the thread layer 21 and the yarn feed 4 counterclockwise with the above angular or speed ratio, whereby the yarn layer 21 decreases the thread from the yarn storage surface 23 and the yarn feed 4 on its inlet side 19 zu causal. Again, no thread is pulled through the thread inlet eye 48. This modified mode of operation continues until the yarn store 22 is empty, ie until the tube 24 reaches the position indicated in FIG FIG. 4 illustrated position adjacent to the thread entry eye 48 has taken.
  • the thread-laying 21 stops, wherein the yarn feed wheel 4 continues to rotate unchanged. Only now is normal normal operation achieved. While only the yarn wound on the yarn storage surface 23 has been taken up again in modified normal operation and fed to the yarn delivery wheel and thus the knitting machine, yarn is now drawn against the action of the yarn brake 49.
  • the return operation and the modified normal operation can alternate as often as desired. Neither the return operation nor the modified normal operation thread is drawn from the yarn package through the thread brake 49.
  • the suture drive mechanism 27 is precisely positionally controlled, it should be understood that this need not necessarily be so. It is also possible to use a non-position-controlled electric motor 28 while only monitoring the position of one of the two gears 31, 32. In the simplest case, it may be sufficient to provide only one or more marks on the toothed wheel 32 or the toothed wheel 31, for example in the form of optical marks (holes) or magnets, which are then detected by optical sensors or magnetic sensors (Hall sensors) , When the yarn feed wheel 4 rotates backward, the Fadenunterradposition or rotation is detected and the motor 28 for moving the yarn layer 21 is driven. The motor 28 can be supplied with a controlled current to produce a predetermined torque.
  • the yarn store 22 only takes up the yarn delivered by the yarn feed wheel 4. Turns the yarn feed wheel 4 its direction of rotation to the thread store 22 again empty, it works against the low tension of the thread layer 21. This can also be reduced in this case by the current of the motor 28 is reduced. Reaches the suture 21 his example, by the Hall sensor and the magnet on the gear 31 (or 32) marked position (fixed position) the sizer 21 is braked, ie locked in fixed position and the yarn feed 4 fetches overcoming the yarn brake 49 fresh thread from the Garnspule after.
  • a modified embodiment of the yarn feeding device 1 illustrates schematically FIG. 10 ,
  • the modification consists in the formation of the yarn storage surface 23, which is divided here into individual surfaces 55, 56. These are formed by individual pins 57, 58, which are arranged as a wreath in the vicinity of the yarn feed wheel 4. Otherwise, the previous description applies.
  • the yarn feeding device 1 allows a particularly fast starting and stopping of thread deliveries.
  • a dynamic mode which is described below with reference to FIG FIG. 11 is illustrated.
  • the dynamic mode of operation assumes that a smaller reserve of thread is built up in the yarn store 22 before the start of delivery, for example, as FIG. 11 illustrated.
  • the thread reserve can also be lower. It may have been constructed by the yarn layer 21 in the standing delivery wheel 4 in the illustrated position, that is, for example, has been rotated by a few degrees in the clockwise direction. In this case, thread 41 is dragged through the thread inlet eye 48 and over the thread storage surface 23. This can be done preventively whenever the yarn feed wheel 4 stops out of normal operation. It can also happen controlled by the pattern memory of the knitting machine only when a highly dynamic start, ie a sudden increase in the thread requirement is expected.
  • FIG. 11 the yarn feeder is illustrated in state prepared for the highly dynamic start. Now comes the start signal for the yarn feeding device 1 of the knitting machine, the yarn layer 21 and the yarn feed wheel 4 are accelerated simultaneously against the clockwise direction (arrows 50, 51a). As a result of the acceleration of the thread delivery arm, the yarn delivery wheel 4 is temporarily freed temporarily, ie for its run-up phase, from the load of the thread otherwise being towed by it to the yarn package. For the startup phase, the yarn feed wheel 4 has thus overcome only its own and the inertia of the yarn winding carried by him.
  • the string delivery arm 21 arrives at its fixed position below the thread entry eye 48 and stops there gradually, ie gently, until it stops. This mode avoids yarn tension peaks between the yarn feed wheel 4 and the knitting machine in case of sudden yarn requirement.
  • a yarn feeder 1 has a yarn feed wheel 4 with a drive device 3 and a yarn store 22 with a yarn feeder 21, which has its own yarn feeder drive 27.
  • a control device 11 controls both drive means 3, 27 so that on the one hand refiner positive operation of the yarn feed wheel 4 and on the other hand, a thread withdrawal is made possible during oscillation of the knitting machine.
  • the dynamics of a yarn feeding device 1 can be improved with this configuration.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP05802281.5A 2004-10-21 2005-10-06 Fadenliefergerät mit rückholbetrieb Active EP1819857B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004051520.4A DE102004051520B4 (de) 2004-10-21 2004-10-21 Fadenliefergerät mit Rückholbetrieb und Verfahren zum Betrieb eines Fadenliefergerätes
PCT/EP2005/010754 WO2006045411A2 (de) 2004-10-21 2005-10-06 Fadenliefergerät mit rückholbetrieb

Publications (2)

Publication Number Publication Date
EP1819857A2 EP1819857A2 (de) 2007-08-22
EP1819857B1 true EP1819857B1 (de) 2017-06-07

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EP05802281.5A Active EP1819857B1 (de) 2004-10-21 2005-10-06 Fadenliefergerät mit rückholbetrieb

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US (1) US7591153B2 (ko)
EP (1) EP1819857B1 (ko)
JP (1) JP4255504B2 (ko)
KR (1) KR20070070180A (ko)
CN (1) CN101044276B (ko)
BR (1) BRPI0516241B1 (ko)
DE (1) DE102004051520B4 (ko)
IL (1) IL181953A0 (ko)
TW (1) TWI372194B (ko)
WO (1) WO2006045411A2 (ko)

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TWI629231B (zh) * 2013-10-04 2018-07-11 醫電鼎眾股份有限公司 Cord reel with function of calculating cable length
ITTO20130875A1 (it) * 2013-10-29 2015-04-30 Lgl Electronics Spa Alimentatore di filato positivo con controllo della tensione di alimentazione.
BE1023220B1 (nl) * 2015-07-03 2017-01-03 Nv Michel Van De Wiele Aanvoerinrichting voor aanvoeren van garens, werkwijze voor het bepalen van de spanning van garens en gebruik van controlemiddelen voor het aansturen van actuatoren voor het aanvoeren van garens
ITUA20164460A1 (it) * 2016-06-17 2017-12-17 Lgl Electronics Spa Alimentatore di filato con rocchetto avvolgi-filo motorizzato
IT201800002452A1 (it) * 2018-02-06 2019-08-06 Btsr Int Spa Metodo, sistema alimentatore di filo perfezionato e dispositivo per ottimizzare l'alimentazione di filo ad una macchina tessile operante con elevata discontinuita' o con un moto alternato
US11828009B2 (en) * 2018-05-16 2023-11-28 Fabdesigns, Inc. System and method of unspooling a material into a textile machine
IT201800005840A1 (it) * 2018-05-30 2019-11-30 Alimentatore di filato con rocchetto avvolgi-filo motorizzato e sistema di riavvolgimento
IT202100017966A1 (it) * 2021-07-08 2023-01-08 Lgl Electronics Spa Alimentatore di filato positivo motorizzato con modalità operativa selezionabile, ed apparato di alimentazione di filato utilizzante lo stesso.
CN115074909B (zh) * 2022-07-18 2023-04-28 江南大学 一种经编变速匀张力送纱装置的张力调节方法及织造方法

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DE19537215C2 (de) * 1995-10-06 1999-09-02 Memminger Iro Gmbh Fadenliefergerät für elastische Garne
JP3603031B2 (ja) * 2001-01-31 2004-12-15 株式会社島精機製作所 給糸装置
ITMI20020945A1 (it) * 2002-05-03 2003-11-03 Tiziano Barea Metodo e dispositivo per l'alimentazione ed il recupero a tensione costante di un filato alimentato ad una macchina tessile
JP4489702B2 (ja) * 2003-04-18 2010-06-23 株式会社島精機製作所 弾性糸使用の編成方法および装置
JP4015984B2 (ja) 2003-10-17 2007-11-28 株式会社島精機製作所 横編機の糸供給装置
EP1582614B1 (de) * 2004-04-03 2011-02-23 H. Stoll GmbH & Co. KG Vorrichtung zur Lieferung einer Fadenmenge

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JP4255504B2 (ja) 2009-04-15
BRPI0516241B1 (pt) 2017-04-25
DE102004051520B4 (de) 2014-12-31
CN101044276A (zh) 2007-09-26
EP1819857A2 (de) 2007-08-22
KR20070070180A (ko) 2007-07-03
IL181953A0 (en) 2007-07-04
TW200632167A (en) 2006-09-16
US20070210198A1 (en) 2007-09-13
TWI372194B (en) 2012-09-11
WO2006045411A3 (de) 2006-08-17
JP2008517179A (ja) 2008-05-22
WO2006045411A2 (de) 2006-05-04
BRPI0516241A (pt) 2008-08-26
CN101044276B (zh) 2010-09-01
DE102004051520A1 (de) 2006-05-04
US7591153B2 (en) 2009-09-22

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