EP1870364A1 - Tendeur de fil et dispositif et procédé pour opérer un candre - Google Patents

Tendeur de fil et dispositif et procédé pour opérer un candre Download PDF

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Publication number
EP1870364A1
EP1870364A1 EP06115955A EP06115955A EP1870364A1 EP 1870364 A1 EP1870364 A1 EP 1870364A1 EP 06115955 A EP06115955 A EP 06115955A EP 06115955 A EP06115955 A EP 06115955A EP 1870364 A1 EP1870364 A1 EP 1870364A1
Authority
EP
European Patent Office
Prior art keywords
thread
motor
winding
transistor
thread tensioner
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.)
Withdrawn
Application number
EP06115955A
Other languages
German (de)
English (en)
Inventor
Alfred Jakob
Andreas Kleiner
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
Benninger AG Maschinenfabrik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Benninger AG Maschinenfabrik filed Critical Benninger AG Maschinenfabrik
Priority to EP06115955A priority Critical patent/EP1870364A1/fr
Priority to PCT/EP2007/054279 priority patent/WO2007147672A1/fr
Priority to KR1020087030502A priority patent/KR20090023384A/ko
Priority to CN2007800227761A priority patent/CN101472820B/zh
Priority to US12/303,143 priority patent/US8102131B2/en
Publication of EP1870364A1 publication Critical patent/EP1870364A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H59/16—Braked elements rotated by 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
    • B65H59/10—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
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02H—WARPING, BEAMING OR LEASING
    • D02H1/00—Creels, i.e. apparatus for supplying a multiplicity of individual threads
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/20—Actuating means angular
    • B65H2555/23—Actuating means angular magnetic, e.g. rotary solenoids
    • 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 thread tensioner according to the preamble of claim 1.
  • the invention further relates to an arrangement for operating a creel for a winding system with inventive thread tensioners.
  • the invention then relates to a method for operating a creel for a winding installation according to the preamble of claim 12.
  • Thread tensioner with a looped by a thread rotating body which is connected to set a specific thread train with a drive motor, have long been known and in use.
  • electric motors can also be operated as generators.
  • the FR-2 145 056 shows a thread tensioner with a generator and associated with this yarn.
  • a current drawn by an electrical load resistor is generated in the generator, whereby a counter-torque is effected. This creates a braking effect, which reacts on the threadline of the thread.
  • the engine is usually in generator mode.
  • the excess energy that arises in the generator mode in the form of generator current can be dissipated with the help of the brake transistor in a simple manner.
  • brake transistors which can convert electrical energy into heat, are known to those skilled in other fields of application.
  • the motor can of course also be operated as a drive motor in certain cases (for example when starting up the winding body), which would then actively drive the rotary body.
  • motors that are also operable as generators various types of electric motors can be used.
  • Such a motor may be, for example, a stepping motor or a DC motor.
  • BLDC brushless DC motor
  • This engine is characterized by a particularly wide range of applications.
  • the brake transistor may be arranged in the region of the side of the motor facing the rotary body. This arrangement has the advantage that the heat generated by the braking transistor can be efficiently led away from the thread tensioner. By high rotational speeds of the rotating body, the removal of heat by convection can be significantly improved.
  • the motor has a motor housing with an end face through which a motor shaft is guided. It can be on the outside of the front side of the motor shaft fixed rotating body and be arranged on the inside of the front side of the brake transistor.
  • the brake transistor may be mounted on a printed circuit board which is fixed to the inside of the front side of the motor housing, wherein the braking transistor may lie between the printed circuit board and the inside of the front side of the motor housing.
  • a printed circuit board can consist of an electrically insulating carrier material on which, at least in some regions, electrically conductive layers (for example copper layers) are applied.
  • the circuit board is disk-shaped.
  • the brake transistor may have an upper side, which forms a contact surface to the inside of the front side of the motor housing, whereby the heat transfer between the brake transistor and the motor housing can be improved.
  • the brake transistor upper side facing the inside preferably runs plane-parallel to the inside of the front side of the motor housing.
  • a thermally conductive paste may be provided, whereby the heat transfer is further improved. It would also be conceivable to arrange the brake transistor at a smaller distance from the inside of the end face. In this case, the thermally conductive paste would bridge the distance between the brake transistor and the motor housing.
  • the brake transistor may be mounted on an upper surface of the circuit board. From the brake transistor electrically conductive conductor means such as conductor tracks or conductor rails can go out, for the production of an electrical operative connection between the brake transistor and motor through the circuit board led to the back of the circuit board. For this purpose, corresponding holes can be provided in the circuit board, through which the conductor means can be performed.
  • the free ends of the conductor means on the back of the circuit board can form Kunststofffadore, which can be in electrical contact with a circuit board for the motor control or with the motor control.
  • the control of the brake transistors can be controlled with the help of the motor control.
  • At least two brake transistors are provided in the thread tensioner.
  • a variety of braking transistors could be used. The choice of the number of transistors depends essentially on the heating power of the transistor.
  • the rotary body may be formed as a yarn wheel, in the peripheral region of which an approximately V-shaped groove for receiving the yarn is provided.
  • a yarn wheel is for example in the FR 2 145 056 shown.
  • the yarn wheel can be configured in two parts from Garnradfusionn composable, wherein the groove can be formed by assembling the Garnradfusionn.
  • the groove can be formed by assembling the Garnradfusionn.
  • To prevent slippage of the thread on the rotary body distributed over the circumference profiling may be provided.
  • profiling is for example from the US 4,413,981 known.
  • the rotary body may have on the motor-facing underside at least one wing element for cooling.
  • the rotary body may preferably have a plurality of wing elements, which are distributed approximately radially on the inside of the rotating body.
  • Another aspect of the invention relates to an arrangement for operating a creel for a winding system.
  • Such an arrangement is for example from the EP 1 162 295 known.
  • Such arrangements may still have a very large number of winding stations and corresponding thread tensioners.
  • the thread tensioner according to the invention By using the thread tensioner according to the invention, the investment costs for such an arrangement, in particular a sewage treatment plant, can be considerably reduced.
  • the thread tensioners also have advantages in terms of maintenance of the assembly.
  • a further aspect of the invention then relates to a method according to claim 12.
  • brake transistors have several advantages. Brake transistors are comparatively inexpensive, for example compared to the use of resistors to heat excess energy. The use of brake transistors may also be advantageous in terms of taxation. Thread tensioners can be operated safely, incidents caused by overheated or burning thread tensioners are practically impossible.
  • Figure 1 shows a designated 1 winding system, such as a sewage treatment plant with a creel 2 and a winding machine 3, z. B. a cone warping machine.
  • the individual thread bobbins 4 are attached to winding units 7 of the creel and the jointly withdrawn threads 5 pass at least one thread tensioner (or thread brake) 6 to maintain a predetermined thread tension.
  • the example according to FIG. 1 shows a parallel gate.
  • the coils thereby form vertical and horizontal rows, wherein each vertical row forms a thread group on each gate side, the yarn running length of the winding unit to the winding machine is the same size.
  • 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.
  • the thread tension sensors 9 are preferably arranged for each single 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 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.
  • a control and regulating arrangement 17 is provided for the operation of the creel 2 for the winding system 1.
  • This arrangement 17 is connected to a rotary encoder 16 for the rotation of the winding machine 3.
  • the arrangement 17 receives on the input side a signal from the rotary encoder 16 as well as signals from the voltage sensors 9.
  • the arrangement 17 is connected to the thread tensioners 6, which are controlled and regulated by a manipulated variable.
  • an input signal for example, a signal for the angular velocity ⁇ can be provided.
  • Particularly suitable as an input signal is a signal for the yarn speed v, which can be calculated, for example, from the angular velocity ⁇ and the measured thickness of the roll 15.
  • the thread speed v could also be measured directly with the aid of the deflection roller 13.
  • the thread 5 is looped around the rotary body 18 at a wrap angle of approximately 270 °.
  • the thread 5 can also be looped around the rotating body 18 several times.
  • a thread sensor 9 can be seen.
  • the rotary body 18 is connected via an engine shaft 21 to an electric motor 19 (FIG. 3).
  • This can drive the rotary body 18 in one of the two possible directions of rotation depending on the operating state.
  • the motor 19 can be operated as a generator. In such a generator mode, the motor acts like an electromagnetic brake.
  • the generator current generated in generator operation is converted by means of brake transistors 20 into heat, whereby this excess energy can be dissipated.
  • the brake transistor 20 is arranged in the region of the rotary body 18 facing side. In this way, the rotary body can be used for cooling, because the air swirling formed when the rotary body rotates increases the convection, whereby the routing of the heat generated by the brake transistor can be significantly improved.
  • FIGS. 4 and 5 various structural details of a preferred thread tensioner can be seen.
  • the engine 19 is one Motor housing 22 surrounded.
  • the rotary body 18 for a thread has an approximately V-shaped groove 24 ( Figure 5), in which a thread is receivable.
  • a profiling can be seen, which serves to ensure that the thread without slip from the yarn wheel 18 can be accommodated. This profiling is evidently created by depressions and elevations distributed in an alternating manner over the circumference.
  • a yarn wheel with such a profiling is for example from the US 4,413,981 known.
  • FIG. 6 shows that the motor 19 has a rotor 34 and a stator 35 with stator windings 36 arranged concentrically around it.
  • the rotor 34 is obviously rotatably mounted on both sides in the motor housing 22 by means of ball bearings (in particular deep groove ball bearings).
  • O-rings 38 are provided to seal the engine in the ball bearings.
  • BLDC brushless DC motor
  • other motors would be, for example, in particular direct current motors with brushes or asynchronous motors.
  • the yarn wheel 18 On the motor shaft 21, the yarn wheel 18 is fixed by a positive and / or non-positive connection.
  • the yarn wheel 18 is constructed in two parts and consists of two Garnradfusionn 41 and 42.
  • the yarn wheel 18 is sunk in a circular recess 47 of the end face 32 of the motor housing 22 partially. Such a depression serves to prevent possible entanglement of a thread with the motor shaft.
  • 18 wing elements 30 are arranged on the underside of the yarn wheel. By such wing elements, the air flow / Lucasverwirbelung be greatly enhanced by the yarn wheel (rotating body).
  • the motor housing consists of an upper housing part 31, a lower housing part 32 and a housing cover 33, which closes the motor housing by means of a central fastening screw.
  • the housing parts are preferably made of aluminum or another material with high thermal conductivity.
  • a printed circuit board is fixed with a connection 28 for electrical and / or electronic connection to the outside in the housing.
  • 6 screws are indicated in Figure 6, with which the circuit board 25 are fixed to the housing part 31. (See Figures 12-14).
  • brake transistor 20 The mounted on a printed circuit board 25 brake transistor 20 is connected via conductor means with contact feet 27 in electrical contact with the printed circuit board 29, on which the motor control is arranged.
  • the brake transistor 20 contacts the inside of the end face 23 of the motor housing 22 (housing part 31).
  • a heat-conducting paste designated 37 is provided. Thanks to the thermally conductive paste, the heat generated in the generator operation can be performed by the brake transistor 20 efficiently to the outside.
  • FIGS. 8 to 9 show further sections through the thread tensioner 6.
  • a wing element 30 can be seen in section.
  • Figure 10 shows a cable channel 48, in which cable to the circuit board 29 are feasible.
  • FIGS. 9 and 10 show that the housing parts 31 and 32 are connected to one another by means of screws.
  • FIGS. 11 to 15 show the printed circuit board 29 equipped with brake transistors 20.
  • the screws 43 and 44 shown in FIGS. 11 and 12 and 13 and 14 serve to secure the circuit board PCB to the motor housing.
  • the fastening screw 43 is guided by a brake transistor 20.
  • a corresponding hole is provided in the brake transistor.
  • From the brake transistor 20 lead designed as rails conductor means 26 away, which are guided by the circuit board 29.
  • the free ends of the conductor means form contact feet 27 for making electrical contact with the electric motor.
  • two brake transistors 20 are provided on the printed circuit board 29, which are identified by 20 'and 20 "in FIG. 12 (compare FIG. 11/12, which show the associated contact feet 27' and 27", respectively).
  • FIG. 15 shows a connection surface 45 for the connection of the printed circuit board. Furthermore, a marked with 46 area recognizable, which indicates a bearing surface to the inside of the motor housing. The printed circuit board 29 is thus connected directly to the housing only in the area of this bearing surface 46.
EP06115955A 2006-06-23 2006-06-23 Tendeur de fil et dispositif et procédé pour opérer un candre Withdrawn EP1870364A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06115955A EP1870364A1 (fr) 2006-06-23 2006-06-23 Tendeur de fil et dispositif et procédé pour opérer un candre
PCT/EP2007/054279 WO2007147672A1 (fr) 2006-06-23 2007-05-03 Tendeur de fil et dispositif et procédé permettant de faire fonctionner un cantre à bobines
KR1020087030502A KR20090023384A (ko) 2006-06-23 2007-05-03 실 인장 장치와 크릴 작동 장치 및 크릴 작동 방법
CN2007800227761A CN101472820B (zh) 2006-06-23 2007-05-03 纱线张力器和用于运行筒子架的装置和方法
US12/303,143 US8102131B2 (en) 2006-06-23 2007-05-03 Yarn-tensioning device and arrangement and method for operating a creel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06115955A EP1870364A1 (fr) 2006-06-23 2006-06-23 Tendeur de fil et dispositif et procédé pour opérer un candre

Publications (1)

Publication Number Publication Date
EP1870364A1 true EP1870364A1 (fr) 2007-12-26

Family

ID=37544032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06115955A Withdrawn EP1870364A1 (fr) 2006-06-23 2006-06-23 Tendeur de fil et dispositif et procédé pour opérer un candre

Country Status (5)

Country Link
US (1) US8102131B2 (fr)
EP (1) EP1870364A1 (fr)
KR (1) KR20090023384A (fr)
CN (1) CN101472820B (fr)
WO (1) WO2007147672A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192072A1 (fr) 2008-11-29 2010-06-02 Karl Mayer Textilmaschinenfabrik GmbH Dispositif destiné à régler la tension d'un fil
CN113891964A (zh) * 2019-06-20 2022-01-04 范德威尔公司 织机和带有配套的纱线张紧装置的储纱装置的布置结构

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285556A (zh) * 2010-06-19 2011-12-21 卡尔迈耶纺织机械股份有限公司 纱线张力器
CN103088504B (zh) * 2011-10-28 2016-02-24 李雪明 球经整经机
RU2485226C1 (ru) * 2011-12-27 2013-06-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия" (ИГТА) Устройство для измерения натяжения нити между бегунком и паковкой кольцевой прядильной машины
BE1023564B1 (nl) * 2015-11-03 2017-05-05 VAN DE WIELE Michel NV Garenspanningssysteem en werkwijze voor het onder spanning houden van een garen dat van een garenopslagsysteem afgenomen wordt naar een garenafneemsysteem van een weefmachine toe
CN107829181B (zh) * 2017-11-08 2023-05-12 宜昌经纬纺机有限公司 一种电动张力器、捻线机及张力控制方法
US11130652B2 (en) * 2018-05-03 2021-09-28 Nv Michel Van De Wiele Yarn tensioning system and method for keeping a yarn which is taken from a yarn storage system to a yarn take-off system of a weaving machine under tension
TR202020819A2 (tr) * 2020-12-17 2021-02-22 Murat Dikmen Cağliklarda kullanima uygun gergi̇nli̇k ayar aparati
KR102555593B1 (ko) 2021-12-29 2023-07-17 주식회사 이화에스알씨 크릴 그룹제어 시스템

Citations (5)

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Publication number Priority date Publication date Assignee Title
FR2145056A5 (en) 1971-07-07 1973-02-16 Inst Textile De France Yarn tensioning device - including yarn tensioning roller connected to generator rotor
US4140382A (en) 1975-09-10 1979-02-20 Canon Kabushiki Kaisha Drive control circuit of motor drive unit
JPH02231975A (ja) 1989-03-06 1990-09-13 Hitachi Ltd モータ駆動回路
DE19801334A1 (de) 1998-01-16 1999-07-22 Saurer Allma Gmbh Elektromagnetische Hysteresebremse, insbesondere als Fadenbremse für Textilmaschinen
JP2003348868A (ja) 2002-05-23 2003-12-05 Yaskawa Electric Corp ダイナミックブレーキ回路

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US4413983A (en) 1979-07-06 1983-11-08 Sealright Co., Inc. Apparatus for assembling ring-type closures
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US5740666A (en) * 1989-08-03 1998-04-21 Yamaguchi; Hiroshi Method and system for controlling the rotational speed of a rotary ring member
FR2655888A1 (fr) 1989-12-20 1991-06-21 Prosys Devidoir a regulation de tension du fil pour alimenter une bobineuse a partir d'une nourrice.
DE4106484A1 (de) 1991-03-01 1992-09-03 Papst Motoren Gmbh & Co Kg Buerstenloser gleichstrommotor fuer niedrige drehzahlen
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2145056A5 (en) 1971-07-07 1973-02-16 Inst Textile De France Yarn tensioning device - including yarn tensioning roller connected to generator rotor
US4140382A (en) 1975-09-10 1979-02-20 Canon Kabushiki Kaisha Drive control circuit of motor drive unit
JPH02231975A (ja) 1989-03-06 1990-09-13 Hitachi Ltd モータ駆動回路
DE19801334A1 (de) 1998-01-16 1999-07-22 Saurer Allma Gmbh Elektromagnetische Hysteresebremse, insbesondere als Fadenbremse für Textilmaschinen
JP2003348868A (ja) 2002-05-23 2003-12-05 Yaskawa Electric Corp ダイナミックブレーキ回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192072A1 (fr) 2008-11-29 2010-06-02 Karl Mayer Textilmaschinenfabrik GmbH Dispositif destiné à régler la tension d'un fil
CN113891964A (zh) * 2019-06-20 2022-01-04 范德威尔公司 织机和带有配套的纱线张紧装置的储纱装置的布置结构
CN113891964B (zh) * 2019-06-20 2023-10-20 范德威尔公司 织机和带有配套的纱线张紧装置的储纱装置的布置结构

Also Published As

Publication number Publication date
KR20090023384A (ko) 2009-03-04
CN101472820B (zh) 2012-11-14
WO2007147672A1 (fr) 2007-12-27
CN101472820A (zh) 2009-07-01
US20090140094A1 (en) 2009-06-04
US8102131B2 (en) 2012-01-24

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