EP1805358A1 - Galette pour guider, chauffer et transporter un fil - Google Patents

Galette pour guider, chauffer et transporter un fil

Info

Publication number
EP1805358A1
EP1805358A1 EP05796004A EP05796004A EP1805358A1 EP 1805358 A1 EP1805358 A1 EP 1805358A1 EP 05796004 A EP05796004 A EP 05796004A EP 05796004 A EP05796004 A EP 05796004A EP 1805358 A1 EP1805358 A1 EP 1805358A1
Authority
EP
European Patent Office
Prior art keywords
godet
induction coils
heating
casing
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.)
Granted
Application number
EP05796004A
Other languages
German (de)
English (en)
Other versions
EP1805358B1 (fr
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
Saurer 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 Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of EP1805358A1 publication Critical patent/EP1805358A1/fr
Application granted granted Critical
Publication of EP1805358B1 publication Critical patent/EP1805358B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

  • Galette for guiding, heating and conveying a thread
  • the invention relates to a godet for guiding, heating and conveying a Fa ⁇ dens according to the preamble of claim 1.
  • godets are used for heating, conveying and guiding a thread.
  • a rotating godet jacket is heated, so that the thread guided on the circumference of the godet jacket is heated by contact.
  • the thread or a plurality of parallel juxtaposed threads is preferably passed several times, each with a Operaumschlingung over the godet casing, wherein the parallel hoein ⁇ other partial convolutions of the thread or 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 jacket is heated by an induction heater.
  • a plurality of induction coils are arranged on a carrier projecting 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 flow, currents are induced within the godet casing which lead to heating of the godet casing.
  • a further object of the invention is to provide a generic godet in which the lowest possible thermal load on the other fork components takes place.
  • the object is achieved according to the invention for a godet by the fact that the induction heating device is formed outside the godet casing.
  • Paper webs calender rolls by means of an external induction heating be heated. Due to the large temperature range, which is specified in US 4,675,487 with 70 ° C to 100 0 C, this temperature unevenness remain on the surface of the calender roll, which inevitably inevitably set by the relatively low peripheral velocities and the only locally acting inductance , without effect on the paper web to be handled.
  • the invention surprisingly revealed that, due to the relatively high peripheral speeds of the godet casing in the range from 1,000 m / min up to 6,000 to 8,000 m / min, a substantially constant surface temperature was established.
  • the environmental conditions which are considerably worsened compared to the interior of the godet casing, for example, due to preparation vapors, did not adversely affect the induction heating device formed outside the godet casing.
  • 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 tion is considerably reduced in the interior of the godet shell, especially in the bearing points.
  • the constructive structure for attaching the godet shell to a carrier can thus be trained exclusively according to storage technology.
  • the induction coils of the induction heater extend exclusively over a jacket 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 °.
  • even complete cladding can be realized by the heating device, whereby a part of the induction coil is preferably held on a movable support for this purpose.
  • the induction coils are preferably distributed over the entire length of the godet mantle.
  • 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 in the 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, wherein the induction coils are combined into a plurality of heating zones and in which are jointly and independently to the adjacent induction coils of adjacent heating zones steu ⁇ Erbar one of the heating zones associated induction coils.
  • 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 be held on U-shaped cut-strip cores whose ends extend congruently in the axial direction at a constant distance from the godet casing.
  • induction coils with windings in the circumferential direction.
  • the opposing poles of an induction coil extend congruently in the radial direction at a constant distance from the godet casing.
  • the distance between the pole ends of the induction coils and the godet sleeve is essentially constant, a favorable magnetization of the godet jacket being 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 guided 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 carrier sheet is mounted on a pivot axis extending axially with distance to the godet casing, it is advantageously possible to use an on the 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 heating device can be integrated into a control loop, by means of which a predetermined surface temperature of the godet casing can be set and continuously fed 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 regulated independently of one another via the heating control in its surface temperature.
  • FIG. 2 schematically shows several views of a first exemplary embodiment of the godet according to the invention
  • FIG. 3 and FIG. 4 shows a schematic view of a further embodiment of the godet according to the invention
  • Fig. 5 shows schematically a view of another embodiment of the inventions ⁇ to the invention galette
  • FIG. 1 shows schematically a cross-sectional view
  • FIG. 2 shows a schematic front view
  • the godet has a hollow cylindrical godet casing 1, which is formed topfpfig at one end by an end wall 4. On the opposite side of the end wall 4, 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 bearing 6.1 and 6.2 are provided in the Trä ⁇ ger 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 is provided outside of the godet casing 1.
  • the induction heating device has a plurality of induction coils in the axial direction and in the radial direction next to one another.
  • 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 cut-strip cores 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 in the radial direction one behind the other.
  • 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.
  • the hiduktionsflower worn 8 shown in Fig. 1 and Fig. 2 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 connection 14 associated with the induction coils.
  • the induction coils 10 assigned to the heating zones 18.1 to 18.4 can be jointly controlled.
  • Da ⁇ can be the group of induction coils of a heating zone regardless of control the induction coils of the adjacent heating zone. So can be the Be ⁇ operating case, for example, a predetermined surface temperature of the godet shell 1 dictate.
  • 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. In this way, it is possible to set and maintain a surface temperature which is essentially constant over the entire length of use of the godet casing 1.
  • induced heating is effected by the induction heater 8 only in an angular range of the godet casing 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 are in the treatment of filaments consistently above 1,000 m / min. Due to the high circumferential speed of the godet casing 1, uniform heating of the entire circumference of the godet casing 1 by the induction heating device 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.
  • the surface temperature of the godet casing 1 can, depending on the filament treatment and type of yarn in the range of 60 0 C to 250 ° C amount, the deviations of the surface temperature over the entire Bestoffsbe- region of the godet casing in the range of ⁇ 2 ° C, preferably ⁇ 1 ° C is.
  • FIG. 3 shows the embodiment in a cross-sectional view and in FIG. 4 in a front view.
  • the godet jacket 1 has in each case an end wall 4.1 and 4.2 on both end faces.
  • the end walls 4.1 and 4.2 are rotatably mounted directly on an axle 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 middle region.
  • the electric motor 7 has a stationary stator 20 and an annular stator 21 surrounding the stator 20. An air gap is formed between the stator 20 and the rotor 21.
  • 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 led 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 mdu Vietnamese induction coils are arranged next to each other in the longitudinal direction on the godet casing.
  • Each of the induction coils 9.1 and 9.2 has two adjacent induction coils in the circumferential direction, as shown in FIG. 4.
  • the mdu Vietnamese induction coilswe noticed 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.
  • the induction heater 8 extends substantially to the end walls 4.1 and 4.2.
  • the induction coils of the induction heating unit 8 are jointly controlled in this embodiment via a heating control 11. This is the heating control 11 is connected to a supply port 14 with the Indutechnischsspu ⁇ len.
  • the induction coils are arranged on a holder 16.
  • the wokkelève 23 via spacers 17 to the holder 16 are firmly connected.
  • the holder 16 is formed strichschalenf ⁇ rmig at a distance congruent to the godet casing 1 and cantilevered to the support 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 shown in Fig. 3 - 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.
  • the embodiment of the gillette according to the invention shown in FIGS. 3 and 4 is identical in function to the preceding embodiment according to FIGS. 1 and 2, so that reference is made to the above-mentioned embodiment at this point.
  • at least one thread or several threads are guided on the circumference of the godet sleeve 1.
  • the godet shell 1 is driven by the electric motor 7 in the interior of the godet casing 1.
  • the godet casing 1 is heated via the induction heating device 8 arranged outside the godet casing 1.
  • two temperature sensors 12.1 and 12.2 are assigned to the heating controller 11.
  • FIG. 5 shows a further embodiment of a godet according to the invention.
  • the components with identical functions have also been given the same reference numerals in FIGS. 1 and 2 as in the following description.
  • the construction of the godet shown in FIG. 5 is substantially identical to the godets shown in FIGS. 1 and 2, so that in the following description, essentially only the differences are explained and otherwise to the counsel ⁇ outgoing description of FIGS. 1 and 2 is referred to.
  • the induction coils 9 of the induction heating device 8 are held together on a half-shell-shaped support plate 25, which is held congruent to the godet casing 1.
  • 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 shown in Fig. 5 - or a rest position can be adjusted.
  • a cover plate 26 is provided, which is also pivotally connected to the Schwenk ⁇ axis 27.
  • the cover plate 26 is shaped like a half-shell in a congruent manner to the godet casing 1 and extends essentially over the entire longitudinal area of the godet casing 1 and on the circumference over an angular range of approximately 90 °.
  • the electronic components and electrical connections of the induction heating device are insulated and encapsulated to the outside in order to avoid in particular environmental influences by, for example, preparation fumes and mist produced by the threads.
  • the godet according to the invention can be advantageously used even in very unfavorable surrounding areas of a spinning mill.

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 pour guider, chauffer et transporter un fil Not-in-force EP1805358B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004050008 2004-10-14
PCT/EP2005/010820 WO2006042646A1 (fr) 2004-10-14 2005-10-07 Galette pour guider, chauffer et transporter un fil

Publications (2)

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

Family

ID=35447344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05796004A Not-in-force EP1805358B1 (fr) 2004-10-14 2005-10-07 Galette pour guider, chauffer et transporter un fil

Country Status (6)

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

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* 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 (fr) * 2011-06-11 2017-01-04 Oerlikon Textile GmbH & Co. KG Mécanisme de traction pour le transport de filaments
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 (fr) * 2017-10-17 2019-04-25 Ｔｍｔマシナリー株式会社 Rouleau de chauffage par induction et dispositif d'étirage de filé
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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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)
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Also Published As

Publication number Publication date
WO2006042646A1 (fr) 2006-04-27
CN102560798A (zh) 2012-07-11
CN101040074A (zh) 2007-09-19
ATE503047T1 (de) 2011-04-15
DE502005011168D1 (de) 2011-05-05
EP1805358B1 (fr) 2011-03-23
JP2008517164A (ja) 2008-05-22
JP4718555B2 (ja) 2011-07-06

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