EP1805358B1 - Galette zum führen, erwärmen und fördern eines fadens - Google Patents

Galette zum führen, erwärmen und fördern eines fadens Download PDF

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Publication number
EP1805358B1
EP1805358B1 EP05796004A EP05796004A EP1805358B1 EP 1805358 B1 EP1805358 B1 EP 1805358B1 EP 05796004 A EP05796004 A EP 05796004A EP 05796004 A EP05796004 A EP 05796004A EP 1805358 B1 EP1805358 B1 EP 1805358B1
Authority
EP
European Patent Office
Prior art keywords
godet
jacket
induction coils
heating
induction
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.)
Not-in-force
Application number
EP05796004A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1805358A1 (de
Inventor
Jürgen Gärtner
Arnulf Sauer
Klaus Schäfer
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1805358A1 publication Critical patent/EP1805358A1/de
Application granted granted Critical
Publication of EP1805358B1 publication Critical patent/EP1805358B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/005—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/12—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/14—Tools, e.g. nozzles, rollers, calenders
    • H05B6/145—Heated rollers

Definitions

  • the invention relates to a godet for guiding, heating and conveying a thread according to the preamble of claim 1.
  • a generic galette is for example from the WO 97/49265 ( US 5,979,592 ) known.
  • godets are used for heating, conveying and guiding a thread.
  • a rotating godet jacket is heated, so that the guided on the circumference of the godet roll thread is heated by contact.
  • the thread or several parallel adjacent threads is preferably performed several times, each with a Sectionumschlingung over the godet shell, wherein the parallel juxtaposed partial loops of the thread or the threads are within a heated occupation length of the godet shell.
  • the godet casing has a uniform surface temperature over the entire application length in order to obtain a defined heating of the thread or of the threads.
  • the godet casing is heated by an induction heater.
  • a plurality of induction coils are arranged on a carrier, which protrudes projecting into the cup-shaped godet casing.
  • an inner circumferential air gap is formed between the godet casing and the induction coils. Due to the magnetic flux currents are induced within the godet casing, which lead to a heating of the godet casing.
  • a godet for guiding, heating and conveying a yarn with a rotatably driven hollow cylindrical godet casing is known, which is rotatably mounted on a support.
  • the godet casing is heated with an electric heater which is disposed within the hollow cylindrical godet casing and fixedly connected thereto.
  • a heated roller with a rotating, drivable hollow cylindrical godet casing which is rotatably mounted on a support.
  • the godet mantle is heated with an induction heater surrounding the godet mantle over its entire circumference.
  • the roller has under its working surface distributed over the circumference, axially extending and sealed chambers with liquid filling on.
  • Another object of the invention is to provide a generic godet; in which the lowest possible thermal load of the other godet components takes place.
  • the induction heater is formed outside of the godet casing, induction coils extend over a shell segment with a circumferential angle in the range of 20 ° to 180 preferably in the range of 40 ° to 130 ° on godet casing and the induction coils themselves extend substantially over the entire length of the godet shell.
  • the invention surprisingly revealed that due to the relatively high peripheral speeds of the godet casing in the range of 1,000 m / min. up to 6,000 to 8,000 m / min. a substantially constant surface temperature was established.
  • the environmental conditions considerably worsened compared to the interior of the godet casing by, for example, preparation vapors, did not adversely affect the induction heating device formed outside the godet jacket.
  • the invention also has the particular advantage that the inductively generated heat is generated directly in the outer peripheral layer of the godet casing, so that a direct influence of the yarn treatment temperature by the induction heater is possible without taking into account any heat conduction in the godet casing.
  • the heating induced directly in the outer edge layers of the godet mantle causes the heat load is considerably reduced in the interior of the godet shell especially in the bearings.
  • the structural design for attaching the godet shell to a carrier can thus be formed exclusively according to storage technology.
  • the induction coils of the induction heater extend exclusively over a shell segment with a circumferential angle in the range of 20 ° to 180 °, preferably in the range of 40 ° to 130 °.
  • the operation of the godets remains unaffected by the application of multiple threads.
  • the induction coils can extend for intensification over a larger circumferential angle of> 180 °. In special cases, even complete sheathing can be realized by the heating device, wherein a part of the induction coil is preferably held to a movable support for this purpose.
  • the induction coils are distributed over the entire length of the godet mantle. In this way, preferably several threads can be simultaneously guided, heated and conveyed on a galette. In principle, however, it is also possible to carry out the heat distribution in the godet casing by means of the godet casing.
  • the induction coils extend only over a partial length of the godet casing.
  • the induction coils are preferably held parallel to the godet casing for a plurality of side by side in the axial direction and radial direction.
  • the induction heating device can be operated with high alternating current frequencies of at least 50 Hz, preferably of more than 500 Hz.
  • the advantageous development of the invention is preferably used, in which the induction coils are combined to form a plurality of heating zones and in which the induction coils assigned to one of the heating zones can be controlled jointly and independently of the adjacent induction coils of adjacent heating zones.
  • the edge zone of the godet jacket can be formed towards the front sides with a higher power density.
  • induction coils with windings are preferably carried out, which have a directed in the longitudinal direction of the godet roll winding.
  • the windings can advantageously hold U-shaped cut cores whose poles extend congruent in the axial direction with a constant distance to the godet casing.
  • induction coils with windings in the circumferential direction.
  • the opposite pole ends of an induction coil extend congruently in the radial direction at a constant distance to the godet casing.
  • the distance between the pole ends of the induction coil and the godet shell is substantially constant, with a favorable magnetization of the godet shell is given by a distance of ⁇ 5 mm, preferably ⁇ 3 mm between the pole end and the godet shell.
  • the induction coils are held on a half-shell-shaped support plate, which is feasible with the induction coil between an operating position and a rest position.
  • maintenance work can be performed on the induction heater in a simple manner.
  • the support plate is mounted on an axially spaced from the godet extending pivot axis, can be advantageous to the on Attach the opposite side of the jacket to the support plate to pivot the cover plate to provide the godet casing with a protective cover.
  • the induction heating device is preferably connected to a heating control, which in turn is coupled to at least one temperature sensor which detects a current jacket temperature of the godet casing.
  • the induction heater can be integrated into a control loop, by which a predetermined surface temperature of the godet casing is adjustable and continuously trackable during operation.
  • the temperature sensor is therefore preferably attached directly to the godet casing, wherein the sensor signals from the rotating godet casing for stationary heating control via a signal transformer for heating control are performed.
  • each of the heating zones is advantageously assigned a respective temperature sensor, so that each of the heating zones can be controlled independently of one another via the heating controller in terms of its surface temperature.
  • Fig. 1 and 2 a first embodiment of the godet according to the invention is shown in several views. This shows Fig. 1 schematically a cross-sectional view and Fig. 2 schematically a front view. Unless an explicit reference is made to one of the figures, the following description applies to both figures.
  • the godet has a hollow cylindrical godet casing 1, which is cup-shaped at one end by an end wall 4. On the opposite side of the end wall 4 of the godet casing 1 is open. The end wall 4 of the godet casing 1 is connected to a hub 5 which is rotatably mounted on the circumference of a shaft 3.
  • the shaft 3 is cantilevered on a laterally arranged next to the godet roller carrier 2 rotatably mounted.
  • the bearings 6.1 and 6.2 are provided in the carrier 2.
  • the shaft is coupled to an electric motor 7.
  • the shaft 3 penetrates the electric motor 7 and has a free end, on which a signal transformer 13 is arranged.
  • an induction heating device 8 For heating the godet casing 1, an induction heating device 8 is provided outside of the godet casing 1.
  • the induction heater has a plurality of induction coils in the axial direction and radial direction next to each other.
  • a total of four induction coils 9.1, 9.2, 9.3 and 9.4 are arranged axially adjacent to each other.
  • Each of the induction coils 9.1 to 9.4 is formed in each case by a winding 22 and a U-shaped winding support 21 with the pole ends 10.1 and 10.2.
  • the U-shaped winding carriers 21 are preferably as Thomasbandkerne with several Trafo sheets formed.
  • Each of the induction coils 9.1 to 9.4 is connected in each case via a spacer 17 with a holder 16. The holder 16 is firmly connected on one side with the carrier 2.
  • the induction coils 9.1 to 9.4 are held by the holder 16 relative to the godet casing 1 such that between the godet casing 1 and the pole ends 10.1 and 10.2, a substantially constant distance over the entire length of the godet casing 1 sets.
  • the distance may in this case be in the range of ⁇ 5 mm, preferably ⁇ 3 mm.
  • a total of four induction coils 9.1, 9.5, 9.6 and 9.7 are arranged one behind the other in the radial direction.
  • the winding carriers 21 of the induction coils 9.1, 9.5 to 9.7 are arranged relative to one another such that the pole ends 10 are each held at a constant distance from the surface of the godet casing 1.
  • the holder 16 is for this purpose arcuately formed substantially congruent to the godet casing 1.
  • induction heater 8 is formed with the induction coils to several heating zones 18.1, 18.2, 18.3 and 18.4.
  • the induction coils arranged one behind the other in the radial direction each form a heating zone.
  • each of the heating zones 18.1 to 18.4 is assigned a respective temperature sensor 12.1 to 12.4.
  • the temperature sensors 12.1 to 12.4 are mounted within the godet casing 1 and coupled via signal lines 19 to the signal transmitter 13.
  • the stationary part of the signal transmitter 13 is connected to a heating controller 11.
  • the heating control 11 is connected via a plurality of supply lines 15 to a supply terminal 14 associated with the induction coils.
  • the induction coils 10 assigned to the heating zones 18.1 to 18.4 are jointly controllable.
  • the group of induction coils of a heating zone can be independently of control the induction coils of the adjacent heating zone.
  • a predetermined surface temperature of the godet casing 1 can be specified.
  • Each deviating actual temperature registered by the temperature sensors 12.1 to 12.4 can thus be advantageously compensated individually by the heating control 11 in each of the heating zones 18.1 to 18.4. This can be set and maintained over the entire occupancy length of the godet 1 substantially constant surface temperature.
  • induced induction heating is effected by the induction heater 8 only in an angular range of the godet 1.
  • the induction heater 8 extends over an angular range of about 120 °.
  • the godet casing 1 is driven by the electric motor 7 and the shaft 3 to peripheral speeds, which in the treatment of filaments consistently above 1000 m / min. lie. Due to the high peripheral speed of the godet casing 1, a uniform heating of the entire circumference of the godet casing 1 by the induction heater 8 is achieved. Depending on the peripheral speed of the godet casing, the angular range which is detected by the induction heater 8 on the godet casing 1, optionally in the range between 20 ° to 180 ° form. Depending on the yarn treatment and yarn type, the surface temperature of the godet casing 1 can be in the range of 60 ° C. to 250 ° C., the deviations of the surface temperatures over the entire coating area of the godet casing in the range of ⁇ 2 ° C. being preferably ⁇ 1 ° C. ,
  • a further embodiment of the Galette invention is shown schematically in several views.
  • the embodiment is in a cross-sectional view and in Fig. 4 shown in a front view.
  • the following description applies to both figures.
  • the godet 1 on both end faces in each case an end wall 4.1 and 4.2.
  • the end walls 4.1 and 4.2 are rotatably mounted directly on an axis 24 via the bearings 6.1 and 6.2.
  • the axis 24 is projectingly connected to the carrier 2.
  • an electric motor 7 is preferably arranged within the godet casing 1 in the central region.
  • the electric motor 7 has a stationary stator 20 and an annular rotor 21 surrounding the stator 20. Between the stator 20 and the rotor 21, an air gap is formed.
  • the rotor 21 is fixedly connected to the godet casing 1.
  • the stator 20 is fixed to the axle 24.
  • the supply of the stator 20 is effected by supply lines which are guided through the axis 24 to the outside.
  • the axis 24 is formed as a hollow cylinder.
  • the induction heating device 8 is arranged, which has a plurality of spaced apart from the godet casing 1 induction coils 9.1 and 9.2.
  • the induction coils are each formed by a winding carrier 23 and a winding 22.
  • the pole ends 10 of the winding carrier 23 are aligned in the longitudinal direction of the godet casing.
  • the windings 22 are wound on the winding carrier 23 with a longitudinal direction of winding.
  • the induction heater 8 is formed in total by six induction coils extending in the circumferential direction over an angular range of about 90 ° on the godet casing 1. In the longitudinal direction, the induction heater 8 extends substantially to the end walls 4.1 and 4.2.
  • the induction coils of the induction heater 8 are controlled in common in this embodiment, a heating controller 11. This is the heating controller 11 is connected to a supply terminal 14 with the induction coils.
  • the induction coils are arranged on a holder 16.
  • the winding support 23 are fixedly connected via spacers 17 to the holder 16.
  • the holder 16 is shaped like a shell at a distance congruent to the godet casing 1 and held cantilevered on the carrier 2.
  • the connection between the holder 16 and the carrier 2 is designed to be movable, so that the holder 16 between an operating position - as in Fig. 3 shown - and a rest position is adjustable back and forth.
  • two temperature sensors 12.1 and 12.2 are arranged on the godet casing 1, which are connected to a signal transmitter 13 in the interior of the godet casing 1.
  • the signal transmitter 13 is fixed with its non-rotating part on the axis 24 and connected via signal lines to the heating controller 11.
  • FIG. 3 and 4 illustrated embodiment of the godet according to the invention is identical in function to the previous embodiment according to Fig. 1 and 2 so that reference is made to the aforementioned embodiment at this point.
  • at least one thread or a plurality of threads are also stirred on the circumference of the godet casing 1.
  • the godet casing 1 is driven by the electric motor 7 in the interior of the godet casing 1.
  • the godet casing 1 is heated via the arranged outside of the godet 1 induction heating device 8.
  • To control a surface temperature of the godet casing two temperature sensors 12.1 and 12.2 of the heating control 11 are assigned.
  • Fig. 5 a further embodiment of a godets according to the invention is shown.
  • the components with identical functions have the same reference numerals in the following description as in Fig. 1 and 2 receive.
  • the structure of in Fig. 5 Galette shown essentially identical to that in Fig. 1 and 2 shown in the following description essentially only the differences are explained and otherwise to the previous description of the Fig. 1 and 2 Reference is made.
  • the induction coils 9 of the induction heater 8 are held together on a half-shell-shaped support plate 25, which is held congruent to the godet casing 1.
  • the support plate 25 extends in the circumferential direction over an angular range of approximately 90 °.
  • a pivot axis 27 is arranged, which extends in the axial direction parallel to the godet casing 1.
  • the pivot axis 27 is cantilevered with one end to the carrier 2.
  • the support plate 25 is connected to the pivot axis 27 such that the support plate 25 between an operating position - as in Fig. 5 shown - or a rest position can be adjusted.
  • a cover plate 26 is provided, which is also pivotally connected to the pivot axis 27.
  • the cover plate 26 is shaped like a half shell congruent to the godet casing 1 and extends substantially over the entire longitudinal region of the godet casing 1 and on the circumference over an angular range of approximately 90 °.
  • both the support plate 25 and the cover plate 26 during operation of the galette form a protective jacket to the outside. This can on the one hand heat losses avoided and on the other hand air flows are positively influenced to thread guide. In addition, there is protection against external influences or impermissible interventions.
  • the electronic components and electrical connections of the induction heating device are insulated and formed encapsulated to the outside, in particular to avoid environmental influences caused by, for example, the filaments preparation fumes and mist.
  • the godet invention can be used advantageously even in very unfavorable environmental areas of a spinning.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • General Induction Heating (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Materials For Medical Uses (AREA)
EP05796004A 2004-10-14 2005-10-07 Galette zum führen, erwärmen und fördern eines fadens Not-in-force EP1805358B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004050008 2004-10-14
PCT/EP2005/010820 WO2006042646A1 (de) 2004-10-14 2005-10-07 Galette zum führen, erwärmen und fördern eines fadens

Publications (2)

Publication Number Publication Date
EP1805358A1 EP1805358A1 (de) 2007-07-11
EP1805358B1 true EP1805358B1 (de) 2011-03-23

Family

ID=35447344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05796004A Not-in-force EP1805358B1 (de) 2004-10-14 2005-10-07 Galette zum führen, erwärmen und fördern eines fadens

Country Status (6)

Country Link
EP (1) EP1805358B1 (ja)
JP (1) JP4718555B2 (ja)
CN (2) CN101040074A (ja)
AT (1) ATE503047T1 (ja)
DE (1) DE502005011168D1 (ja)
WO (1) WO2006042646A1 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008045357A1 (de) * 2008-09-01 2010-03-04 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Beheizen eines drehbar gelagerten Führungsmantels einer Führungsrolle
DE102010006659A1 (de) * 2010-02-03 2011-08-04 Oerlikon Textile GmbH & Co. KG, 42897 Vorrichtung zum Abziehen oder Führen synthetischer Fäden
DE102010046898A1 (de) * 2010-09-29 2012-03-29 Oerlikon Textile Gmbh & Co. Kg Galette
EP2718215B1 (de) * 2011-06-11 2017-01-04 Oerlikon Textile GmbH & Co. KG Zugwerk für den transport von filamenten
CN103060977B (zh) * 2013-01-13 2015-07-22 经纬纺织机械股份有限公司 全自动假捻变形机热导丝盘装置
DE102013008068A1 (de) * 2013-05-10 2014-11-13 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zur Bestimmung einer Oberflächentemperatur eines induktiv beheizten Walzenmantels
CN108345330A (zh) * 2017-01-23 2018-07-31 上海联净电子科技有限公司 电磁加热辊控温方法及其系统
JP6998132B2 (ja) * 2017-05-16 2022-01-18 Ｔｍｔマシナリー株式会社 糸処理装置及びローラカバー
CN107254750B (zh) * 2017-06-16 2024-04-26 惠州市泓融新型材料有限公司 一种节约油量的加弹机上油装置
WO2019077914A1 (ja) * 2017-10-17 2019-04-25 Ｔｍｔマシナリー株式会社 誘導加熱ローラ、及び、紡糸延伸装置
CN108048918B (zh) * 2017-12-30 2023-06-30 浙江理工大学 一种丝条张力可调的制丝装置
CN111910339B (zh) * 2020-09-09 2022-05-06 东莞今富五金机械有限公司 一种可加热的送纱器
CN113953339B (zh) * 2021-10-28 2024-02-06 铜陵精达特种电磁线股份有限公司 漆包线生产用拉丝装置

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DE1941396U (de) * 1965-12-14 1966-06-30 Barmag Barmer Maschf Rollensatz mit heizblock fuer synthetische faeden.
FR2157363A5 (en) 1971-10-11 1973-06-01 Williamson Roy Hot roller for drawing threads or calendering - operates on heat pipe principle
US4675487A (en) 1983-10-03 1987-06-23 Valmet Oy Apparatus and method for electromagnetic heating of a roll
KR950703675A (ko) * 1992-10-01 1995-09-20 클라우스 퓌팅, 디이터 핑슈텐 얀을 유도하고 진행시키기 위한 고데트(godet for guiding and advancing a yarn)
CN2191871Y (zh) * 1994-06-16 1995-03-15 北京纺科新技术开发公司 电感直接加热式热牵伸辊
JPH08296142A (ja) * 1995-04-26 1996-11-12 Murata Mach Ltd 高周波誘導加熱ローラ
CN1135908C (zh) * 1996-06-18 2004-01-21 巴马格股份公司 用于加热行进着的合成纤维的导丝轮
DE59804164D1 (de) * 1997-01-20 2002-06-27 Barmag Barmer Maschf Galette zum Fördern, Führen und Erhitzen eines laufenden synthetischen Fadens
CN1272153A (zh) * 1998-05-28 2000-11-01 巴马格股份公司 引导、加热和输送长丝的导丝辊
DE19843990C1 (de) * 1998-09-25 1999-08-19 Dienes Apparatebau Gmbh Integriertes Galettenaggregat
JP2001005315A (ja) * 1999-06-17 2001-01-12 Matsushita Electric Ind Co Ltd 像加熱装置とこれに用いる発熱ローラおよび画像形成装置
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DE10195670D2 (de) 2000-12-23 2003-11-20 Barmag Barmer Maschf Galetteneinheit und Vorrichtung zum Verstrecken eines Fadens
WO2002055772A1 (de) * 2001-01-13 2002-07-18 Barmag Ag Galette zum führen, erwärmen und fördern eines fadens
JP2002210510A (ja) * 2001-01-15 2002-07-30 Mitsubishi Heavy Ind Ltd 圧延ロールの誘導加熱装置および誘導加熱方法
FI109713B (fi) 2001-03-05 2002-09-30 Metso Paper Automation Oy Menetelmä ja laite telan lämmittämiseksi

Also Published As

Publication number Publication date
EP1805358A1 (de) 2007-07-11
WO2006042646A1 (de) 2006-04-27
CN102560798A (zh) 2012-07-11
CN101040074A (zh) 2007-09-19
ATE503047T1 (de) 2011-04-15
DE502005011168D1 (de) 2011-05-05
JP2008517164A (ja) 2008-05-22
JP4718555B2 (ja) 2011-07-06

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