EP1162295B1 - Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage - Google Patents

Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage Download PDF

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Publication number
EP1162295B1
EP1162295B1 EP20010810404 EP01810404A EP1162295B1 EP 1162295 B1 EP1162295 B1 EP 1162295B1 EP 20010810404 EP20010810404 EP 20010810404 EP 01810404 A EP01810404 A EP 01810404A EP 1162295 B1 EP1162295 B1 EP 1162295B1
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EP
European Patent Office
Prior art keywords
thread
bobbin
tension
brake
winding
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
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EP20010810404
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German (de)
English (en)
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EP1162295A1 (fr
Inventor
Hans-Peter Zeller
Manfred Bollen
Anton Spari
Stefan Häne
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.)
Karl Mayer Textilmaschinen AG
Original Assignee
Karl Mayer Textilmaschinen AG
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Publication date
Priority claimed from EP00810425A external-priority patent/EP1156143B1/fr
Application filed by Karl Mayer Textilmaschinen AG filed Critical Karl Mayer Textilmaschinen AG
Priority to EP20010810404 priority Critical patent/EP1162295B1/fr
Publication of EP1162295A1 publication Critical patent/EP1162295A1/fr
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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
    • D02H13/22—Tensioning devices
    • D02H13/24—Tensioning devices for individual threads

Definitions

  • the invention relates to a method for operating a creel for a winding system according to the preamble of claim 1.
  • the DE-A 195 46 473 discloses a method of controlling winder winders. Again, there is a voltage measurement of the thread assembly just before winding to act by means not shown in detail on the tension of the threads on the creel. However, with the aid of a measuring carriage which can be moved transversely across the thread bandage, the successive measuring of the tension of individual threads in a predetermined time interval is possible. From this, a mean voltage value is formed, which is carried out according to the common tensioning of all threads. With this method, an individual control of individual threads can not be realized because not every thread can be scanned simultaneously. Other disadvantages of this method are that the interval measurement at the winding speeds traveled today is too slow and also in each case the measured thread is mechanically acted upon by the measuring means, which causes an individual thread tension change.
  • the DE-A 44 18 729 also relates to a device for regulating the thread tension in a creel.
  • This device has a brake rotor for each bobbin holder directly at the winding unit.
  • As a sensor for the thread tension is a clamping lever, which is acted upon by the unwound thread.
  • a fluid pressure working load device engages the cocking lever, wherein the fluid pressure is commonly adjustable for all the load devices.
  • the individual control of the thread tension can thus be superimposed by a general adjustment of all thread tensioner.
  • a disadvantage of this device is that the control loop is limited directly to the winding unit. This arrangement is not suitable for a creel with overhead deduction.
  • the deceleration directly on the bobbin holder is also not suitable for all work processes and the different run length of the threads between winding unit and winding machine is not taken into account.
  • DE-U-296 08 169 a winding device for threads of reel gates, in which a measuring device for determining yarn tension in threads is arranged, wherein the central adjustment of the winding units associated Vorumschlingungsstangen is controlled according to the measurement result.
  • the measuring device consists of individual pressure measuring strips, the each support a variety of threads.
  • the EP-0 012 235 shows an arrangement with a creel and a warper, wherein a roller brake is used for each thread. All horizontal coils of the gate are connected to each other via a common control rod, so that the roller brakes can be adjusted simultaneously.
  • the adjusting rods are in turn connected to each other via a lever mechanism which can be activated as a whole via a motor of a brake adjusting device.
  • the assembly further includes a thread tension measuring device that measures the thread tension of a single, selected thread. With a control device, the actual values determined with the yarn tension measuring device are compared with preset desired values, in the presence of a target value-actual value difference, the motor of a brake adjusting device is applied.
  • the tension behavior of the threads on the entire gate can be detected with a minimum time delay.
  • the measurement is carried out in the range between leaving the gate and winding on the winding machine, which ensures that the different run lengths and deflections of the threads are taken into account.
  • the control process can be customized for individual threads or for particular groups of threads, making the gate versatile.
  • the mechanical function and arrangement of the thread brakes plays only a minor role.
  • each individual yarn brake is activated with a drive motor assigned to it. This is readily possible with the miniaturized drives offered today at low cost. Thus, for the first time every single thread on the gate can be controlled individually.
  • wrap-around pretensioners such as eyelet pretensioners, crepe pretensioners, etc., can be adjusted individually or rail-wise with a drive motor for optimum thread drainage.
  • the different lengths of the threads or thread groups (gate length compensation) exclusively to compensate with the help of the biasing devices.
  • the subsequent thread brakes are relieved of this mandatory compensation and they can unfold the full efficiency with respect to their braking force.
  • the above-mentioned biasing means can also be used to increase the thread tension before entering the thread brakes, wherein the thread tension is also controlled individually or in groups together with the thread brake. But these biasing devices can also be used as the only means for voltage distribution. No additional thread brakes would be required, which is very cost-effective.
  • the term "thread brake” as used herein thus also broadly encompasses all biasing means.
  • the invention also relates to a creel for a winding system, which is characterized in the device-moderate terms by the features in claim 4.
  • the thread tension can be measured individually on each individual thread by means of thread tension sensors.
  • the thread tension sensor can be functionally also used in a particularly simple manner as a thread monitor for the thread running or thread breakage control of the thread. If the thread tension of one or more threads exceeds or falls below the upper or lower control range, a warning signal is emitted or the winding system can be automatically stopped.
  • the described functions of the yarn tension sensor can be used in addition to the use for the yarn tension control only as a monitoring function in a winding system for the entire yarn sheet.
  • Stepper motors are particularly advantageous as a drive motor for the thread brakes (normal pressure yarn brake eg disk brake, looping yarn brake, dynamic yarn brake, etc.) or the aforementioned biasing devices ( ⁇ senvorspanner, Crepevorspanner) used which have a self-locking Gear acting on the brake fluid.
  • the advantage of these stepper motors is that they absorb energy only during activation, but not in the hold phase. This can significantly reduce energy consumption.
  • a self-locking drive motor for example with a worm gear or a self-locking spindle drive, ensures that a position approached by the stepper motor is maintained.
  • the advantage of the stepping motor is also that at any time the position of the thread brakes or the position of the biasing means are known and can be calibrated.
  • Each winding unit may be assigned at least one signal component, in particular a thread monitor for the thread running or yarn breakage control of the thread and / or an optical signal means for identifying the winding units or as a plug-on.
  • the thread monitoring can be done according to various known per se functional principles, such as the mechanical Fall needle principle, Hall sensors, optical monitoring means, etc.
  • a signaling means for facilitating the placement of a creel is, for example by the EP-A-329 614 known.
  • winding unit associated electrically activatable means in particular the drive motors for the thread brakes, but also, the mentioned signal components can be activated via common signal lines. For this purpose, they are in operative connection via serial interfaces with a central control device. This obviously eliminates a complicated wiring of the individual components.
  • FIGS. 1 and 2 there is a winding system 1, for example, a wastewater treatment plant, from a creel 2 and a winding machine (Konus2020r-, Zettel-, Bäumaschine, etc.) 3.
  • the individual thread bobbins 4 are attached to winding units 7 of the creel and the jointly withdrawn threads 5 pass at least ever a yarn brake 6 for maintaining a predetermined yarn tension.
  • the example shows a parallel gate with a left gate side LS and with a right gate side RS.
  • the coils form vertical and horizontal rows, it being evident that each vertical row forms a group of threads on each side of the gate whose yarn running length from the winding unit to the winding machine is the same.
  • the same principle can also be applied to any other type of gate, e.g. in a V-gate.
  • the threads of different types can each be exposed to an individual braking force.
  • Fig. 2 shows the two thread groups with the longest run length L1 and the two thread groups with the shortest run length L2.
  • the thread tension sensors 9 are preferably arranged for each individual thread.
  • the arrangement of the thread tension sensors at this point is not mandatory. In principle, it would be advantageous to introduce the thread tension sensors as close as possible to the winding point of the winding machine.
  • the yarn tension sensors can also be used in an area in front of the winding point of the winding machine. be arranged between the gel 10 and blade 11 for merging the threads. With appropriate miniaturization of the yarn tension sensors, these can thus be arranged so close together that despite the already made merging of the threads each individual thread can be acted upon. This would even eliminate the previous band tension regulation, because all changes in the braking force can be measured until just before the formation of the winding.
  • the threads After leaving the creel, the threads pass into the area of the winding machine 3 where they first pass through a flushing sheet 10, in which the threads are given their correct sequence. Subsequently, the threads are fed to the warper blade 11, in which they are brought together to be subsequently wound as a thread assembly 12 via a deflection and / or measuring roller 13 on the winding 15 and on the winding beam 14.
  • Fig. 3 shows, for example, as a togewikkelter from a coil 4 thread 5 passes through two biasing means on a belt and a yarn brake.
  • a ⁇ senvorspanner 16 and a Crepevorspanner (named after the strong twisted Kreppgärn) 17 have in addition to the Vorwoodser notorious the task of raising from the thread formed crane gel and act as a baffle against spin backlog and thus avoid Krangel Struktur. At the same time they cause a limitation of the thread balloon, which forms during unwinding of the coil 4.
  • the wrap of the biasing means 16 and 17 can be adjusted by rail or individually, for example by a rotary or pivoting movement.
  • the main braking force is applied by a disk brake 18 with two in the thread running direction successively arranged brake actuator units.
  • the disk brake is housed in a U-shaped, vertical support profile 19, in the U-leg yarn guide eyelets for the passage of the thread 5 are arranged.
  • crepe pretensioners are individually adjustable per thread in order to avoid the formation of kinks in the case of different types of yarn and thus to achieve a good flow behavior of the thread.
  • Fig. 4 shows more details of such a disk brake. Over each disk brake 18, an individual drive motor 20 is mounted directly in the support section 19. This actuates an adjustment support 22, a pressure element 23 which loads or relieves the brake plates.
  • FIGS. 5 and 6 show in a schematic representation winding units with different pretensioners and braking devices.
  • Fig. 5 passes through the thread 5 according to the Fig. 3 first a ⁇ senvorspanner 16 and then a Crepevorspanner 17 before he is guided by the plate brake 18.
  • Fig. 6 shows an alternative embodiment of a winding unit with a loop thread brake 39.
  • a biasing device is used only a ⁇ senvorspanner 16. With the Umlaingungsfadenbremse the twist angle and thus the degree of wrap can be adjusted. As a result, the friction conditions and thus the thread tension are adjusted or regulated.
  • the biasing devices according to the FIGS. 5 and 6 can be adjusted by rail as well as individually by thread.
  • FIG. 7 shows one, with respect to the winding machine 3, distant coil row 24 and a near coil row 25, each with three floors, so each with three winding units.
  • each vertical row (rail) can have up to 12 floors.
  • the thread tension is measured for all vertical rows (rails) on a common measuring plane 38.
  • each thread has its own thread tension sensor 9.
  • These thread tension sensors can be used to control the thread tension, to monitor the specified thread tension range and as thread breakage monitoring.
  • the thread passes through a ⁇ senvorspanner 16 and then a Crepevorspanner 17.
  • These biasing means are each driven by an individual drive motor 20.
  • the threads reach a disk brake 18, which is also provided individually with a drive motor 20.
  • a common drive motor 40 can be activated in order to rotate the lower brake plate in a conventional manner to avoid cuts of the threads in the brake plates. It is also very advantageous if the drive motor 40 for the plate drive is controlled such that it can be automatically deactivated on vertical rows (rails) of winding units without threads based on Daseinskontrolle by the thread tension sensors or the thread monitor.
  • each thread brake By the thread tension sensors or by the thread monitor is always known which winding units are not equipped. As in FIG. 7 indicated, but the lower brake plates of each thread brakes could also each be rotated with an individual drive motor 40 '. In such a case, each motor 40 'is deactivated, the thread brake carries no thread.
  • each winding unit is associated with an optical signal element 26 and an acknowledgment switch, which serve as Spulenaufsteck Anlagen, and thus facilitate the placement of the creel.
  • the signal element serves the various Set the coil character or coil types correctly according to the prescribed repeat.
  • the individual thread tension setpoints can be automatically assigned to the corresponding thread types.
  • Each vertical row (rail) is provided with an electronic node 29, 29 ', which can process 28 different signals via a serial line system.
  • Each gate page has its own main processor 30, 30 'whose activities are coordinated via a transmission processor 31. This can also regulate a gate side individually.
  • the thread tension setpoints can be entered on a display per thread, per thread group or rail by rail.
  • the input SETPOINTS are forwarded by the transmission processor to the main processors 30 and 30 ', where they are compared with the ACTUAL values.
  • the actual values for the thread tension are measured by the thread tension sensors on a common measurement plane 38 and forwarded to the measurement collection units 32 and from there to the main processors 30 and 30 '.
  • These main processors thus assume the function of a comparison device for comparing the actual values with the entered nominal values.
  • the embodiment according to Fig. 8 differs from the one according to Fig. 7 in that the eyelet pretensioners 16 and the crepe pretensioners 17 can be adjusted by rail with a common drive motor 21.
  • the plate brakes 18 also have individual drive motors 20.
  • each individual thread is provided with its own thread tension sensor 9.
  • wrap thread brakes 39 are used Insert, which are individually adjustable with an individual drive motor 20.
  • the biasing means are exclusively ⁇ senvorspanner 16, which are also adjustable via individual drive motors 20.
  • Fig. 10 differs according to that according to Fig. 9 only in that all ⁇ senvorspanner 16 a vertical row (rail) with a common drive motor 21 are adjustable.
  • a whole yarn tension sensor battery 34 consisting of the yarn tension sensors 9, is arranged.
  • the attachment takes place on a common support 33.
  • Each sensor has a movable sensor 37 which is arranged between two yarn guides 36, that the yarn 5 is deflected.
  • the actual measuring bridge is arranged in a closed housing 35, wherein the individual housings can be fastened directly next to one another.
  • the summary of the thread tension sensors in 8-unit has the advantage that these units are mechanically inexpensive, space-saving and electrically compatible with an 8-bit unit.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Warping, Beaming, Or Leasing (AREA)

Claims (17)

  1. Méthode d'utilisation d'un cantre (2) pour une installation d'enroulage (1), en particulier d'une installation d'ourdissage, avec plusieurs postes de bobinage (7), dans le cadre de laquelle plusieurs fils (5) de même type ou de type différent peuvent être défilés conjointement des postes de bobinage avec une machine d'enroulage (3), le fil étant soumis sur chaque poste de bobinage au niveau d'au moins un frein de fil (6) à une force de freinage, caractérisée
    en ce que la valeur réelle de la tension du fil est mesurée en permanence sur chacun des fils (5) dans la zone entre la sortie du cantre (2) et l'enroulement au niveau de la machine d'enroulage (3),
    en ce que la valeur réelle mesurée de chaque fil est comparée à une valeur de consigne correspondante
    et en ce que lors de la constatation d'un écart de la valeur réelle par rapport à la valeur de consigne, le frein (6) du fil concerné est ajusté de telle sorte que la valeur réelle s'approche de la valeur de consigne,
    chaque frein de fil étant activé avec un moteur d'entraînement (20) qui lui est associé.
  2. Méthode selon la revendication 1, caractérisée en ce que les fils sont soumis dans le sens d'avance du fil en amont de chaque frein de fil au niveau d'au moins un dispositif de précontrainte (16, 17) à une force de freinage supplémentaire, qui est réglée en fonction de la valeur réelle mesurée ou qui est réglée de manière fixe sous forme de valeur de base.
  3. Méthode selon la revendication 1 ou 2, caractérisée en ce qu'au niveau de la machine d'enroulage, la force de traction de l'ensemble des fils réunis en une nappe est mesurée dans une zone en amont du point d'enroulage sous forme de valeur réelle de traction de nappe et est comparée à une valeur de consigne de traction de nappe et en ce que lors de la constatation d'un écart, tous les freins de fil sont ajustés simultanément de telle sorte que la valeur réelle de traction de nappe s'approche de la valeur de consigne de traction de nappe.
  4. Cantre (2) pour une installation d'enroulage (1), en particulier une installation d'ourdissage, avec plusieurs postes de bobinage (7), desquels plusieurs fils de même type ou de type différent peuvent être défilés conjointement avec une machine d'enroulage (3), et avec au moins un frein de fil (6) associé à chaque poste de bobinage, au niveau duquel frein, le fil est soumis à une force de freinage, caractérisé
    en ce qu'au moins un capteur de tension de fil (9), au niveau duquel la valeur réelle de la tension d'un fil peut être mesurée en permanence, est agencé pour chaque fil dans la zone entre les postes de bobinage (7) les plus proches de la machine d'enroulage (3) sur un côté du cantre (8) et l'ensouple (14) de la machine d'enroulage (3),
    en ce que la valeur réelle de chaque fil peut être comparée dans un dispositif de comparaison (30, 30') à une valeur de consigne correspondante,
    et en ce que lors de la constatation d'un écart de la valeur réelle par rapport à la valeur de consigne, un moteur d'entraînement peut être activé, avec lequel le frein (6) du fil concerné peut être ajusté de telle sorte que la valeur réelle s'approche de la valeur de consigne, chaque frein de fil pouvant être activé avec un moteur d'entraînement (20) qui lui est associé.
  5. Cantre selon la revendication 4, caractérisé en ce que les capteurs de tension de fil présentent un dispositif dynamométrique avec un élément de mesure sensible à l'extension, la force apparaissant transversalement au fil sur le fil dévié pouvant être mesurée.
  6. Cantre selon la revendication 4 ou 5, caractérisé en ce que plusieurs capteurs de tension de fil sont disposés sur une rangée à chaque étage du cantre, chaque capteur étant entouré d'un boîtier séparé.
  7. Cantre selon l'une quelconque des revendications 4 à 6, caractérisé en ce qu'au moins un dispositif de précontrainte (16, 17), agencé en amont du frein de fil dans le sens d'avance du fil, servant à appliquer une force de freinage supplémentaire qui peut être commandée indépendamment du frein de fil ou qui peut être réglée de manière fixe sous forme de réglage de base, est associé à chaque poste de bobinage.
  8. Cantre selon la revendication 7, caractérisé en ce que le dispositif de précontrainte est un dispositif de précontrainte d'oeillets (16) avec un oeillet rotatif orientant le fil et/ou un dispositif de précontrainte de crêpe (17) avec des éléments d'enroulement réglables.
  9. Cantre selon l'une quelconque des revendications 4 à 8, caractérisé en ce que les freins de fil sont des freins de fil d'enroulement avec des angles d'enroulement réglables ou des freins à disques (18) avec des disques de frein sollicitant le fil et pouvant supporter différentes charges.
  10. Cantre selon la revendication 7 ou 8, caractérisé en ce que les dispositifs de précontrainte (16, 17) similaires d'une rangée verticale de postes de bobinage peuvent être ajustés avec un moteur d'entraînement (21) commun.
  11. Cantre selon la revendication 7 ou 8, caractérisé en ce que chaque dispositif de précontrainte (16, 17) similaire peut être ajusté avec un moteur d'entraînement qui lui est associé.
  12. Cantre selon l'une quelconque des revendications 4 à 11, caractérisé en ce que les moteurs d'entraînement pour les freins de fil sont des moteurs pas à pas et en ce qu'ils agissent sur les freins de fil par le biais d'une transmission autobloquante.
  13. Cantre selon l'une quelconque des revendications 4 à 12, caractérisé en ce qu'au moins un contrôleur de fil (27) est associé à chaque poste de bobinage pour le contrôle de rupture du fil ou le contrôle de mouvement du fil.
  14. Cantre selon l'une quelconque des revendications 4 à 13, caractérisé en ce qu'au moins un moyen de signalisation optique (26) est associé à chaque poste de bobinage pour identifier le poste de bobinage et/ou sous forme d'auxiliaire de garnissage du cantre.
  15. Cantre selon l'une quelconque des revendications 4 à 14, caractérisé en ce que tous les moyens activables par voie électrique associés à un poste de bobinage, en particulier les moteurs d'entraînement pour les freins de fil, sont en relation active avec un dispositif de commande central par le biais d'interfaces en série.
  16. Cantre selon l'une quelconque de revendications 4 à 15, caractérisé en ce que les capteurs de tension de fil (9) sont agencés dans une zone en amont du point d'enroulage de la machine d'enroulage (3) et entre un peigne envergeur et un peigne miseur (11) pour le regroupement des fils.
  17. Cantre selon la revendication 9, caractérisé en ce que les disques de frein pour les freins de fil d'une rangée verticale peuvent tourner avec un moteur d'entraînement commun ou en ce que les disques de frein pour chaque frein de fil peuvent tourner avec un moteur d'entraînement qui lui est associé, tous les moteurs d'entraînement pouvant être commandés par le biais des capteurs de tension de fil respectivement par le biais des contrôleurs de fil de telle sorte qu'un moteur d'entraînement d'une rangée verticale sans fils et/ou les moteurs d'entraînement du frein de fil sans fils peut ou peuvent être désactivé/s automatiquement.
EP20010810404 2000-05-17 2001-04-25 Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage Expired - Lifetime EP1162295B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20010810404 EP1162295B1 (fr) 2000-05-17 2001-04-25 Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00810425 2000-05-17
EP00810425A EP1156143B1 (fr) 2000-05-17 2000-05-17 Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage
EP20010810404 EP1162295B1 (fr) 2000-05-17 2001-04-25 Méthode d'utilisation d'un cantre et cantre pour une machine d'enroulage

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EP1162295A1 EP1162295A1 (fr) 2001-12-12
EP1162295B1 true EP1162295B1 (fr) 2009-10-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4045704A4 (fr) * 2019-10-17 2024-02-07 Rjs Corp Système de cantre numérique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2262058T3 (es) * 2004-04-16 2006-11-16 Karl Mayer Textilmaschinenfabrik Gmbh Disposicion de vigilancia de hilo.
EP1707656B1 (fr) * 2005-03-30 2008-04-30 Benninger AG Procédé et dispositif pour le fonctionnement d'un cantre pour une machine d'enroulage et cantre
GB2530880B (en) * 2014-08-01 2019-01-02 Cygnet Texkimp Ltd Method of Operating a Fibre Tensioner
CN107604642A (zh) * 2017-09-11 2018-01-19 浙江中新毛纺织有限公司 一种羊毛鳞片处理方法及处理设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735760A1 (de) * 1977-08-09 1979-04-05 Theodor Haering Vorrichtung zum abnehmen von faeden, insbesondere von garnen
DE2853662C2 (de) 1978-12-13 1986-07-03 Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal Schär- oder Zettelanlage
CH674512A5 (fr) * 1987-12-03 1990-06-15 Benninger Ag Maschf
DE4324412C2 (de) 1993-07-21 1998-03-19 Mayer Textilmaschf Vorrichtung zur Einstellung der Fadenspannung
DE29608169U1 (de) * 1996-05-06 1997-09-04 Sucker Mueller Hacoba Gmbh Wickelvorrichtung für Fäden von Spulengattern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4045704A4 (fr) * 2019-10-17 2024-02-07 Rjs Corp Système de cantre numérique

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