EP1975106B1 - Tension de fil - Google Patents

Tension de fil Download PDF

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Publication number
EP1975106B1
EP1975106B1 EP20080450041 EP08450041A EP1975106B1 EP 1975106 B1 EP1975106 B1 EP 1975106B1 EP 20080450041 EP20080450041 EP 20080450041 EP 08450041 A EP08450041 A EP 08450041A EP 1975106 B1 EP1975106 B1 EP 1975106B1
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EP
European Patent Office
Prior art keywords
spring
winding
dancer
dancer roller
winding head
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
EP20080450041
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German (de)
English (en)
Other versions
EP1975106A3 (fr
EP1975106A2 (fr
Inventor
Alexander Mair
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.)
Lunatone Industrielle Elektronik GmbH
Original Assignee
Lunatone Industrielle Elektronik GmbH
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Publication date
Application filed by Lunatone Industrielle Elektronik GmbH filed Critical Lunatone Industrielle Elektronik GmbH
Publication of EP1975106A2 publication Critical patent/EP1975106A2/fr
Publication of EP1975106A3 publication Critical patent/EP1975106A3/fr
Application granted granted Critical
Publication of EP1975106B1 publication Critical patent/EP1975106B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
    • B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
    • B65H59/385—Regulating winding speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a winding unit for a reeling, for winding tape or filamentary material, with a, driven by a motor winding spindle, a yarn guide and a sitting at the free end of a dancer arm dancer role, wherein the stationary winding spindle is arranged to receive a winding tube to which is wound on the dancer roller and the thread guide Spulgut wound with a the position of the displaceable against the force of a spring dancer roller position sensor, a variable gain amplifier to which the output of the position sensor is fed as an actual value signal and a reference value as a setpoint signal, said Output of the variable gain amplifier is supplied to a motor driver so that a constant position of the dancer roll is maintained, and the bias of the spring is kept constant and for adjusting the yarn tension of each winding unit, the reference value of a central control and STEU erritt of the winding machine can be specified.
  • magnets for generating the voltage to compensate for the winding of wires, etc. from the CH 481 002 A has become known to allow an accurate winding of non-round bobbins.
  • a force storage device is used in which permanent magnets are arranged to be movable back and forth within a guide tube.
  • Spooled goods which are produced and delivered, for example, by a production apparatus, such as a plurality of plastic belts, which are produced by an extruding machine, are usually wound up on a large number of supply spools at the same time.
  • the maintenance of a given thread tension is very important, because this thread tension determines on the one hand the strength of the finished bobbins and on the other hand must never be so large that it comes to a tearing of the thread or tape, which at least lead to material losses, if not to production losses can.
  • An object of the invention is to provide a winding unit according to the aforementioned prior art, in which a simple way a non-linear spring characteristic can be achieved.
  • the object is achieved with a winding unit of the type mentioned, in which according to the invention the spring is realized by a magnet arrangement having a first, arranged on the dancer arm permanent magnet and a second, fixedly arranged permanent magnet, wherein the magnets poled in the sense of a repulsive force are.
  • the position sensor may be formed as the position of the dancer arm in the entanglement detecting angle encoder.
  • the position sensor is designed as the displacement of the dancer roll detecting distance sensor.
  • a winding spindle 2 is arranged on a base plate 1, which accommodates a winding tube 3 and can be driven in a known manner by a drive not shown here.
  • a winding tube 3 is shown in the illustration Fig. 1 already so much her fed ribbon or thread-shaped winding material 4 wound that the coil formed in this way 5 is almost fully wound.
  • the Spulgut 4 is, for example coming from an extrusion line, the coil 5 via a stationary guide roller 6, a sitting at the end of a dancer arm 7 dancer roller 8 and a further guide roller 9 and finally a yarn guide 10 is supplied.
  • the yarn guide 10 protrudes out of a slot 11 of a yarn guide unit 12 and performs a reciprocating motion during winding, which is controlled in a known manner as a function of the spindle rotation and the coil diameter according to specifiable functions to a desired winding. such as As a precise cross winding to get.
  • the tension of the thread or the Spulgutes 4 is controlled as well as the speed of the spindle 2 according to the speed of the supplied Spulgutes.
  • the yarn speed is in modern systems z. B. up to 600 m / s at spindle speeds up to 4000 U / min.
  • winding unit In the Fig. 1 shown and previously briefly described winding unit is referred to as a whole with 13 and a rewinder has a large number, often several hundred such winding units 13.
  • the dancer roll 8 is loaded via the dancer arm 7 by the force of a spring 14, which is only indicated in the embodiment shown and, for example, lies within a spring housing 15.
  • the spring 14 may be a coiled torsion spring, but it may also be designed as a tension spring, which is arranged for example on the rear side of the base plate 1.
  • the pivot axis a of the thread guide unit 12 coincides in this embodiment with the pivot axis a 'of the dancer arm 7.
  • the spindle 2 of the unit 13 is driven by a motor 17, one of a motor driver 18 powered electric motor, whose speed or torque, for example, the frequency of its supply voltage and / or the height is proportional.
  • the motor driver 18, for example a frequency converter, is in turn driven by the output signal s of a control amplifier 19.
  • the pivoting of the dancer arm 7 and the dancer roller 8 is detected in this embodiment by a trained as an angle sensor position sensor 20, the output signal ⁇ is fed to the variable gain amplifier 19 as an actual value.
  • the values for the yarn tension are extremely broad, depending on the material and the thickness of the yarn or belt as well as the speed and the possible braking and acceleration processes. In practice, these values of thread tension - given in weight load - between 20 and 1000 grams, corresponding to 0.2 to 10 N.
  • a linear dependence of the force on the dancer roll 8 of their displacement will therefore be desirable only in a few cases, so that a certain progression, z. B. approximately logarithmic, is preferable.
  • This progression can be achieved by a corresponding coupling of the spring to the dancer roll and / or by a special embodiment of the spring.
  • FIG. 3 In training after Fig. 2 is a progression, such.
  • Fig. 3 represented, determined by the additional lever arm 16 and the position and connection of the tension spring 14 to this. It can be seen that slight deflections of the arms 7 and 16 lead from their boldly drawn rest position only to small forces, with increasing deflection by an angle ⁇ , the force F but disproportionately increases.
  • Fig. 2 Coming back to the desired regulation of the thread tension or force F one looks Fig. 2 in that the output signal of the position sensor 20 is supplied to an input of the control amplifier 19 as the actual value i ⁇ of the swivel angle a and thus - via the characteristic of the Fig. 3 - The thread tension F is supplied.
  • the setpoint value s ⁇ receives the control amplifier 19 at a second input from a central computing and control unit 21, which also supplies corresponding setpoints to the other, not shown here winding units.
  • the central arithmetic and control unit 21 advantageously the spring characteristic or the force / travel characteristic for the dancer coil of the winding unit is stored, so that when entering a desired thread tension on this characteristic a certain angle ⁇ is specified.
  • the target value s ⁇ and taking into account the actual value i ⁇ via the variable gain amplifier 19, the motor driver 18, the Spulgut (thread) 4 and the position sensor 20 for the dancer roll 8 always to a constant position of the dancer roll and thus the associated thread tension regulated.
  • the dancer roller 8 is not arranged on a dancer arm, but it is rotatably seated at the outer end of a spring 14 designed as a spiral spring, the inner end of which is stationary relative to the base plate 1, for example clamped on a bolt 22.
  • the axis a "of the spiral spring 14 expediently coincides with the swivel axis a of the thread guide unit
  • a position sensor 22, which rests on a web 23 protruding from the base plate 1 is designed as a distance sensor and detects the distance ⁇ here over a constant distance ⁇ Controlled to constant thread tension, ie the control amplifier 19, an actual value i ⁇ from the position sensor 20 and a setpoint s ⁇ supplied from the central computing and control unit 21.
  • the function of this embodiment is thus in principle the same as in that of Fig. 2 , wherein the force / displacement characteristic is made progressive by the winding or unwinding of the coil spring.
  • Fig. 5 shows a further practical design of a spring 14. It is a spring leaf, with one end in a stationary pin 22 (see Fig. 4 ) is clamped about 180 ° around the bolt and then, at least in the load condition shown, straight. At the free end of the spring 14 in turn sits a rotatably mounted dancer roller 8.
  • a converging longitudinal slot 24 changed by the non-constant thickness (in the transverse direction), in principle, at least largely linear characteristic of the spring 14, which under load over a widening angular range of the Scope of the bolt 22 is supported, in the sense of the most desired progression.
  • Fig. 6 shows the spring 14 as a stretched leaf spring, which is clamped at one end in a stationary support 25 and at its free end the Dancer role 8 carries.
  • the characteristic can be made progressive, z. B. by a curved rolling surface 26, on which a portion of the spring 14 can roll and which determines the progression.
  • the progression could be defined by a two-layered construction using different spring materials.
  • a position sensor 20 which detects a change in the distance of the spring or the dancer roll.
  • a position sensor 20 is in Fig. 6 located.
  • position encoders whether angle encoders or displacement encoders, a large number of commercially available products are available to the person skilled in the art, some of which work without contact and supply the actual signal for the variable gain amplifier 19.
  • Fig. 7 the inventive design of the spring 14 using a magnet assembly.
  • the dancer arm 7 is pivotable about the pivot axis a 'and carries at its free end the dancer roll 8.
  • a magnet arrangement which consists in this example of a first, sitting on the dancer arm 7 permanent magnet 27 and a second, fixedly arranged magnet 28.
  • the polarity of the magnets 27 and 28 is here chosen so that a repulsive force acts on the dancer arm 7, in the drawing down or on the axis a 'relative - counterclockwise.

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)

Claims (5)

  1. Unité de bobinage (13) pour une machiné de bobinage, destinée à enrouler un produit en forme de ruban ou de fil, comportant une broche de bobine (2) pouvant être entraînée par un moteur (17), un guide-fil (10) et un rouleau danseur (8) monté à l'extrémité libre d'un bras danseur (7), la broche de bobine stationnaire étant conçue pour recevoir un corps de bobine (3) sur lequel est enroulé le produit à bobiner (4) guidé par le rouleau danseur et le guide-fil,
    comportant un capteur de position (20) qui détecte la position du rouleau danseur (8) pouvant se déplacer contre l'effet d'un ressort (14), un amplificateur de régulation (19) auquel sont injectés le signal de sortie (iα) du capteur de position qui constitue le signal de valeur réelle et une valeur de référence (sα) qui constitue le signal de valeur de consigne,
    le signal de sortie de l'amplificateur de régulation étant injecté à un circuit d'attaque du moteur (18) de manière à respecter une position constante du rouleau danseur, et
    la précontrainte du ressort (14) étant maintenue constante et chaque unité de bobinage (13) recevant pour régler la tension du fil la valeur de référence (sα) fournie par une unité centrale de régulation et de commande (21) de la machine de bobinage,
    caractérisée par le fait que
    le ressort (14) est réalisé par un agencement d'aimants (27, 28) qui comprend un premier aimant permanent (27) monté sur le bras danseur (7) et un deuxième aimant permanent (28) monté fixe, la polarité des aimants (27, 28) étant choisie pour obtenir une force de répulsion.
  2. Unité de bobinage (13) selon la revendication 1, caractérisée par le fait que le capteur de position (20) prend la forme d'un capteur angulaire qui détermine la position du bras danseur (7) lorsque celui-ci pivote.
  3. Unité de bobinage (13) selon la revendication 1, caractérisée par le fait que le capteur de position (20) prend la forme d'un capteur de distance qui détermine le déplacement du rouleau danseur (8).
  4. Unité de bobinage (13) selon l'une des revendications 1 à 3, caractérisée par le fait que la caractéristique du ressort (14) est mémorisée dans l'unité centrale de régulation et de commande (21).
  5. Unité de bobinage (13) selon l'une des revendications 1 à 4, caractérisée par le fait que la relation entre la force agissant sur le rouleau danseur (8) et son déplacement est mémorisée dans l'unité centrale de régulation et de commande (21).
EP20080450041 2007-03-26 2008-03-26 Tension de fil Active EP1975106B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT4682007 2007-03-26

Publications (3)

Publication Number Publication Date
EP1975106A2 EP1975106A2 (fr) 2008-10-01
EP1975106A3 EP1975106A3 (fr) 2009-10-21
EP1975106B1 true EP1975106B1 (fr) 2012-07-18

Family

ID=39535421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080450041 Active EP1975106B1 (fr) 2007-03-26 2008-03-26 Tension de fil

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EP (1) EP1975106B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104773615A (zh) * 2015-04-01 2015-07-15 江苏港宏电线电缆有限公司 一种可控制放线速度的被动张力放线架
CN104773612A (zh) * 2015-03-23 2015-07-15 江苏占姆士纺织有限公司 新型补偿式纱线退绕装置
LU102827B1 (de) * 2021-06-10 2022-12-12 Saurer Spinning Solutions Gmbh & Co Kg Fadenspeichereinheit für eine Arbeitsstelle einer Textilmaschine

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
DE102009021066A1 (de) * 2009-05-13 2010-11-18 Oerlikon Textile Gmbh & Co. Kg Fadenspeicher für eine Arbeitstelle einer Offenend-Spinnmaschine
CN104860122A (zh) * 2015-05-25 2015-08-26 苏州爱立方服饰有限公司 纱线换线棒用卷绕生产线
AT517296B1 (de) 2015-06-11 2017-03-15 Bsw Machinery Handels-Gmbh Spulmaschine zum Aufwickeln von Spulgut
CN106006215A (zh) * 2016-07-18 2016-10-12 吴江福爱梁纺织有限公司 叠层配重式张力控制装置
DE102016121746A1 (de) * 2016-11-14 2018-05-17 Saurer Germany Gmbh & Co. Kg Fadenumlenkrolle für einen im Bereich des Fadenchangierdreieckes einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine angeordneten mechanischen Fadenspeicher
EP3333106B1 (fr) 2016-12-12 2024-05-22 Siemens Aktiengesellschaft Procédé d'enroulement d'un matériau d'enroulement et machine à enrouler
CN109264505B (zh) * 2018-08-23 2020-12-15 苏州创易技研股份有限公司 适用于主动/被动送线模式的张力控制器及其控制方法
EP3766814A1 (fr) * 2019-07-16 2021-01-20 Komax Holding Ag Dispositif d'acheminement de câble, système d'usinage de câble et procédé d'acheminement d'un câble dans une machine d'usinage de câble
CN112047199B (zh) * 2020-08-19 2022-02-11 阳春市宏昌电力发展有限公司 一种电缆收线机收线口处电线张力调节保护装置
CN112158674B (zh) * 2020-10-27 2022-10-14 福建益明纺织有限公司 一种纱线防绕张力自动随速调节器
CN112408094B (zh) * 2020-11-18 2022-09-13 胡少坤 一种收线缓冲器、收线装置及方法
CN113291926A (zh) * 2021-06-07 2021-08-24 上海电气集团自动化工程有限公司 一种碳纤维自动铺丝机恒张力送退丝控制系统及控制方法
CN114955723A (zh) * 2022-06-21 2022-08-30 西安英利科电气科技有限公司 一种采用重力的纱线恒张力装置
CN116835398B (zh) * 2023-08-30 2024-01-09 之江实验室 系留线缆的收放控制方法、收放控制装置及飞行器组件

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104773612A (zh) * 2015-03-23 2015-07-15 江苏占姆士纺织有限公司 新型补偿式纱线退绕装置
CN104773615A (zh) * 2015-04-01 2015-07-15 江苏港宏电线电缆有限公司 一种可控制放线速度的被动张力放线架
LU102827B1 (de) * 2021-06-10 2022-12-12 Saurer Spinning Solutions Gmbh & Co Kg Fadenspeichereinheit für eine Arbeitsstelle einer Textilmaschine
EP4101800A1 (fr) * 2021-06-10 2022-12-14 Saurer Spinning Solutions GmbH & Co. KG Unité de réservoir de fil pour un poste de travail d'une machine textile

Also Published As

Publication number Publication date
EP1975106A3 (fr) 2009-10-21
EP1975106A2 (fr) 2008-10-01

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