EP0711855B1 - Procédé et dispositif pour stocker une longueur de fil entre le cantre de bobine et l'ensouple d'une machine à ensoupler - Google Patents

Procédé et dispositif pour stocker une longueur de fil entre le cantre de bobine et l'ensouple d'une machine à ensoupler Download PDF

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Publication number
EP0711855B1
EP0711855B1 EP95810611A EP95810611A EP0711855B1 EP 0711855 B1 EP0711855 B1 EP 0711855B1 EP 95810611 A EP95810611 A EP 95810611A EP 95810611 A EP95810611 A EP 95810611A EP 0711855 B1 EP0711855 B1 EP 0711855B1
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EP
European Patent Office
Prior art keywords
accumulator
yarn
roller
speed
lead
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.)
Expired - Lifetime
Application number
EP95810611A
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German (de)
English (en)
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EP0711855A1 (fr
Inventor
Horst Ulbrich
Martin Fuhr
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.)
Benninger AG Maschinenfabrik
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Benninger AG Maschinenfabrik
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Application filed by Benninger AG Maschinenfabrik filed Critical Benninger AG Maschinenfabrik
Publication of EP0711855A1 publication Critical patent/EP0711855A1/fr
Application granted granted Critical
Publication of EP0711855B1 publication Critical patent/EP0711855B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/02—Stop motions
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H13/00—Details of machines of the preceding groups
    • D02H13/22—Tensioning devices
    • D02H13/24—Tensioning devices for individual threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H5/00—Beaming machines

Definitions

  • the invention relates to a method and an apparatus for Storing an excess length of threads between a creel and the winding tree of a winding machine according to the The preamble of claim 1 or of claim 6
  • Methods and devices are used, for example, for a slip system the broken and to a standstill Wickelbaums wound thread ends without sagging individual threads between the creel and winding machine again to expose.
  • the threads that are not broken are used in the Turning the winding tree back under a defined thread tension and stored in an ordered field and after the removal of the thread break again before the System continues to run at normal operating speed.
  • DE-A 41 31 489 is a genre comparable Device has become known in which the thread family fixed on the gate side with the help of two thread clamping rollers before the winding tree reverses and the actual Saving begins. The turning back of the wrapping tree and the adjustment of the storage rollers takes place synchronously, the drive control to keep the constant Thread is pulled over a dancer roller. Other well-known ones Methods and devices work on the same basic principle, the threads always clamped on the gate side will.
  • a disadvantage of the known methods is that a exact speed synchronization between the memory and the machine is difficult to implement and one requires relatively complex control mechanism. Already minor Speed differences can lead to an overstretching of the Threads until the thread breaks or falls below a minimal thread tension as soon as the dancer roller has reached its end position because the threads are stuck on the gate side are. It is also necessary to clamp the Warp threads open quickly once the stored thread length is rewound, otherwise the gate side Thread clamping used clamping bars or pinch rollers a crushing of the threads and thus to fiber damage to lead.
  • a synchronization between storage speed and Return speed and therefore a relatively complex Cruise control can be surprisingly simple can be avoided if a small one without exact regulation Differential speed is maintained and if the resulting length difference by thread retraction from the Gate is balanced. All you have to do is thread each Coil gate subjected to a defined braking voltage what is normally necessary anyway in order to do that To keep the thread field taut. When storing the threads must the maximum storable thread length is not accurate to the centimeter be defined. However, it is more important that the threads in the Do not exceed the maximum permissible thread tension. This can be done by pulling threads from the Coil creels can be easily secured, whereby only a negligible reduction in storage capacity in Purchase must be made.
  • an insertion roller is moved into the thread sheet be in the middle position in the common plane remains while the storage rollers for loop formation can be adjusted further. Contrary to the usual The thread coulter is now clamped in a middle position only deflected around the feed roller without jamming. The The insertion roller can enter the thread sheet from above or from below be moved. When the middle position is reached a switching device are actuated, which the Rewind of the winding machine triggers. The returned one Thread length is always slightly shorter than the saved one Length. The length compensation is carried out as before Thread retraction from the creel.
  • the excess length is stored in a particularly simple manner Way when the storage rollers are back in their starting position be moved back while the wrapping tree in the Forward creeper is driven, the creeper speed is greater than the withdrawal rate of the storage rollers and which is made up of the difference between crawl speed and withdrawal speed resulting length difference by thread retraction from the Gate is balanced under the braking voltage. Also at It is always a short partial length from the Gate subtracted so that over the speed difference mentioned always maintain a constant thread tension can be.
  • Another object of the invention is a device of the type mentioned at the beginning, with which carry out the procedure with simple constructive means leaves. According to the invention, this object is achieved with a device solved with the features of claim 6.
  • the gate side Infeed roller is used to keep the thread group jammed to be inserted into the device in a central position, which the formation of thread loops up and down allowed below.
  • the first thread loop can be used immediately start at the insertion roller.
  • the insertion roller can be a switching device in the middle position activate to reverse the wrapping tree.
  • at least one storage roller in the range of motion upper and lower limit switches can be arranged with which the end of the save process or the save process is detectable.
  • the traction mechanism gear can have endless adjustment chains, which laterally in the machine frame around upper and lower Chain deflection wheels are tensioned, with one on each side Chain center held an upper or a lower storage roller is.
  • a particularly advantageous construction of the storage device arises if they have a drive module and at least has a memory module releasably attached to it, the drive device for the traction mechanism transmission in the drive module and the insertion roller are arranged.
  • the drive module can also have an upper and a lower one Have storage roller, so even with a drive module only a limited thread storage would be possible.
  • Additional memory modules can be connected to the drive module, where each memory module has an upper and one each lower storage roller.
  • the traction mechanism gearbox of the drive modules is connected to the drive module via a coupling or connected to the previous memory module. With the The maximum number of connected memory modules can be Memory length can be determined.
  • storage roller and "insertion roller” used here refer to a preferably cylindrical Body that is rotatably mounted easily and on which the threads can be redirected without damage.
  • Figures 1 and 2 show the slip system in normal operation, in which from a creel 1 warp threads 2 in one vertically radial, almost parallel horizontally Thread field guided by a storage device 3 and from a warping machine 4 via a guide roller 6 onto a warp beam 5 can be wrapped.
  • the threads move in Arrow direction a and the warp beam rotates in the direction of rotation b.
  • the thread sheet 2 is in the winding position shown passed through the memory device 3 without contact.
  • Each warp thread is controlled by a controllable creel 1 Thread brake 7 provided with a defined braking tension and monitored by a thread monitor 8.
  • the thread monitor causes the paper machine to stop 4 and at the same time a defined increased thread braking all thread brakes 7.
  • the broken thread end is already wound on the winding tree 5 becomes. For this reason, the already wound up Chain in the storage device 3 ordered and with a defined Tension is added to the broken end to expose.
  • the storage device 3 consists of a machine frame 23, in which vertically and oppositely movable upper and lower storage rollers 13 and 13 'are held. Warehousing and movement of these storage rollers takes place via a traction mechanism 12, preferably through endless adjustment chains is formed in the manner of a paternoster elevator. Each Chain loop is around the top and side of the machine frame lower chain deflection wheels 22 and 22 'tensioned and on each The chain center is an upper and a lower storage roller attached. Depending on the direction of rotation of the chain, they move Storage rollers on the adjacent runs towards or away from each other.
  • an introduction roller 16 is arranged, which on can be attached to side chains in the same way.
  • the introduction roller is preferably decoupled in Support bearings held on a chain, on which there is also one Storage roller is attached.
  • This insertion roller is moving however, only in a middle position up to a support 17, where it is lifted from the support bearings while the chain moves on.
  • the middle position is about at the level at which the upper and lower storage rollers 13 and 13 'cross.
  • a push button 18 provided with the help of the winding machine motor 20 can be controlled.
  • the insertion roller 16 is together with a pair of storage rollers arranged on a drive module 15, which also the Storage drive motor 11 for driving the traction mechanism wearing.
  • a memory module that can be coupled to the drive module carries another pair of storage rollers.
  • On the memory module 14 is also a lower limit switch 19 and Upper limit switch 21 arranged.
  • On the winding machine 4 is a push button 10 is arranged on which the storage process and the withdrawal process can be started.
  • a Deflection roller 24 causes a common deflection of the thread sheet when saving or withdrawing.
  • the slip machine 4 already stopped over the thread monitor 8 concerned.
  • the Thread brakes 7 are subject to an increased thread braking force.
  • the storage drive 11 is activated via the hand switch 10, the upper and lower storage rollers 13 and 13 'to move towards each other.
  • the Introducing roller 16 lowered into the thread field. Doing so the thread field evidently continuously on one common level brought into a middle position. The one there recorded different thread lengths, however are relatively small, are in the direction of arrow a from the gate deducted.
  • the middle position is reached as soon as the insertion roller 16 has reached the edition 17 and the Pushbutton 18 activated.
  • the storage device 3 has its maximum Storage capacity reached.
  • the storage drive is operated via the lower limit switch 19 11, as well as the winding machine motor 20 switched off.
  • the broken thread end is now exposed and can be picked up again.
  • the Hand switch 10 operated on the winding machine. So that becomes a Forward creeper of the winding tree 5 and at the same time Reversing the storage drive 11 triggered.
  • the creeper speed is greater than the withdrawal rate the shrinking thread loops, whereby again the resulting difference in length of the creel 1 is removed.
  • the withdrawal movement is activated of the upper limit switch 21 ended. All backwards and forwards Running warp lengths are recorded by the guide roller 6.
  • the machine then has the starting position shown in FIG. 1 reached and can the normal winding process again record, tape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Unwinding Of Filamentary Materials (AREA)

Claims (11)

  1. Procédé pour stocker une longueur excessive de fils entre un cantre (1) et l'ensouple (5) d'une machine à ensoupler (4) en cas d'arrêt de l'ensouplage, grâce à la déviation de la nappe de fils (2), qui passe d'une position d'ensouplage à une position de stockage en formant des boucles de fil à l'aide de cylindres de stockage (13, 13') mobiles les uns par rapport aux autres, l'ensouple (5) tournant en sens inverse,
       caractérisé en ce que chaque fil est soumis sur le cantre à une tension de freinage définie, en ce que la vitesse de mouvement inverse de l'ensouple est inférieure à la vitesse de stockage des cylindres de stockage, et en ce que la différence de longueur qui résulte de la différence entre la vitesse de mouvement inverse et la vitesse de stockage est compensée par un tirage supplémentaire des fils à partir du cantre, sous la tension de freinage.
  2. Procédé selon la revendication 1, caractérisé en ce que, avant la rotation inverse de l'ensouple, la nappe de fils (2) qui s'étend, élargie, dans la position d'ensouplage, est réunie sur un plan à l'aide des cylindres de stockage (13, 13'), et en ce que les longueurs de fil reçues sont soumises à un tirage supplémentaire à partir du cantre.
  3. Procédé selon la revendication 2, caractérisé en ce que lors de la réunion de la nappe de fils sur le plan commun, un cylindre d'introduction (16) est amené, côté cantre, dans la nappe de fils et reste dans une position centrale, dans le plan commun, tandis que les cylindres de stockage (13, 13') sont déplacés davantage pour la formation de boucles.
  4. Procédé selon la revendication 3, caractérisé en ce que lorsque la position centrale est atteinte, un dispositif de manoeuvre (18) est actionné, qui déclenche le mouvement inverse de la machine à ensoupler.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que pour déstocker la longueur excessive, les cylindres de stockage (13, 13') sont ramenés dans leur position initiale tandis que l'ensouple est entraínée en marche avant lente, la vitesse d'avance lente étant supérieure à la vitesse de déstockage des cylindres de stockage, et en ce que la différence de longueur qui résulte de la différence entre la vitesse d'avance lente et la vitesse de déstockage est compensée par un tirage supplémentaire des fils à partir du cantre, sous la tension de freinage.
  6. Dispositif pour stocker une longueur excessive de fils entre un cantre (1) et l'ensouple (5) d'une machine à ensoupler (4) en cas d'arrêt de l'ensouplage, comprenant un bâti de machine (23) que la nappe de fils (2) peut traverser, étant précisé que dans le bâti de machine, un groupe inférieur et un groupe supérieur de cylindres de stockage parallèles (13, 13') sont fixés à une transmission à mécanisme de traction (12) de telle sorte que les deux groupes soient mobiles en sens inverse, globalement verticalement, pour former des boucles de fil,
       caractérisé en ce qu'il est prévu, côté cantre, pour l'introduction sans serrage de la nappe de fils (2), au moins un cylindre d'introduction (16) qui est apte à passer d'une position située à l'extérieur de la nappe de fils à une position centrale située à l'intérieur de la nappe de fils, la position centrale étant située à peu près sur le plan sur lequel les groupes de cylindres de stockage (13, 13') se croisent.
  7. Dispositif selon la revendication 6, caractérisé en ce que le cylindre d'introduction (16) est apte à être abaissé par en haut sur un appui (17) disposé dans la position centrale, au niveau du bâti de machine, et en ce que lorsque cet appui est atteint, un dispositif de manoeuvre (18) est apte à être activé pour inverser l'ensouple.
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que, au moins grâce à un cylindre de stockage, des palpeurs de fin de course respectifs (19, 21) sont aptes à être activés dans les positions de fin de course supérieure et inférieure dudit cylindre de stockage, et permettent de détecter la fin de l'opération de stockage ou de déstockage.
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que la transmission de mécanisme à traction (12) comporte des chaínes de déplacement sans fin qui sont tendues latéralement dans le bâti de machine, autour de poulies de renvoi supérieures et inférieures (22, 22'), et en ce que des cylindres de stockage supérieurs et inférieurs sont maintenus de chaque côté d'un brin de chaíne.
  10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce qu'il est prévu, juste après le cylindre d'introduction dans le sens (a) des fils, un cylindre de stockage qui est apte à être déplacé en sens inverse par rapport au cylindre d'introduction.
  11. Dispositif selon l'une des revendications 6 à 10, caractérisé en ce qu'il comporte un module d'entraínement (15) et au moins un module de stockage (14) fixé de façon amovible à celui-ci, étant précisé que le module d'entraínement est pourvu d'un moteur d'entraínement (11) pour la transmission à mécanisme de traction, et du cylindre d'introduction (16), et que le module de stockage comporte au moins un cylindre de stockage supérieur et un cylindre de stockage inférieur (13, 13'), et en ce que la transmission à mécanisme de traction de ces derniers est apte à être accouplée au module d'entraínement.
EP95810611A 1994-11-10 1995-09-29 Procédé et dispositif pour stocker une longueur de fil entre le cantre de bobine et l'ensouple d'une machine à ensoupler Expired - Lifetime EP0711855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3363/94 1994-11-10
CH336394 1994-11-10

Publications (2)

Publication Number Publication Date
EP0711855A1 EP0711855A1 (fr) 1996-05-15
EP0711855B1 true EP0711855B1 (fr) 1998-04-29

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EP95810611A Expired - Lifetime EP0711855B1 (fr) 1994-11-10 1995-09-29 Procédé et dispositif pour stocker une longueur de fil entre le cantre de bobine et l'ensouple d'une machine à ensoupler

Country Status (4)

Country Link
US (1) US5588194A (fr)
EP (1) EP0711855B1 (fr)
DE (1) DE59502045D1 (fr)
ES (1) ES2115336T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101338467B (zh) * 2007-07-05 2011-04-27 津田驹工业株式会社 经纱轴的整经方法

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US6199787B1 (en) * 1998-03-02 2001-03-13 Asif Jaffar Method of transferring individual ends of yarns from a beam to individual cones
ATE237013T1 (de) * 2000-05-17 2003-04-15 Benninger Ag Maschf Verfahren zum betrieb eines spulengatters und spulengatter für eine wickelanlage
US6581257B2 (en) * 2001-03-15 2003-06-24 Dielectric Solutions, Llc Process for making a warp beam of untwisted fiberglass strands
ES2302124T3 (es) * 2005-03-30 2008-07-01 Benninger Ag Procedimiento y disposicion para el funcionamiento de una fileta de bobinas para una instalacion bobinadora asi como una fileta de bobinas.
DE102009056189A1 (de) * 2009-11-27 2011-06-01 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Vorrichtung und Verfahren zum Erzeugen einer UD-Lage
US9683316B2 (en) * 2012-04-13 2017-06-20 Columbia Insurance Company Methods and systems for regulating tension in warping
CN103132218B (zh) * 2013-03-21 2015-07-15 杭州创兴织造设备科技有限公司 一种模拟经轴的供线装置
US20160053412A1 (en) * 2014-08-20 2016-02-25 Karl Mayer Textilmaschinenfabrik Gmbh Device for producing a beam from a rope arrangement
US10982357B2 (en) * 2017-01-30 2021-04-20 North Carolina State University Non-stop tying-in process
CN108660574A (zh) * 2018-05-16 2018-10-16 安徽正力纺织科技有限公司 一种化纤丝整经车改造系统
CN111689296B (zh) * 2020-05-19 2024-06-18 广州赛奥碳纤维技术股份有限公司 一种新型恒张力箱装原丝放丝设备及箱装原丝放丝架
CN111910315B (zh) * 2020-08-06 2022-03-11 福州市长乐区山城针纺有限公司 一种用于花经轴的纱线固定装置以及固定方法

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Publication number Priority date Publication date Assignee Title
CN101338467B (zh) * 2007-07-05 2011-04-27 津田驹工业株式会社 经纱轴的整经方法

Also Published As

Publication number Publication date
DE59502045D1 (de) 1998-06-04
ES2115336T3 (es) 1998-06-16
EP0711855A1 (fr) 1996-05-15
US5588194A (en) 1996-12-31

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