EP0845196B1 - Galette pour chauffer un fil synthetique continu - Google Patents

Galette pour chauffer un fil synthetique continu Download PDF

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Publication number
EP0845196B1
EP0845196B1 EP97928210A EP97928210A EP0845196B1 EP 0845196 B1 EP0845196 B1 EP 0845196B1 EP 97928210 A EP97928210 A EP 97928210A EP 97928210 A EP97928210 A EP 97928210A EP 0845196 B1 EP0845196 B1 EP 0845196B1
Authority
EP
European Patent Office
Prior art keywords
godet
carrier
coil support
transformer sheets
primary windings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97928210A
Other languages
German (de)
English (en)
Other versions
EP0845196B2 (fr
EP0845196A1 (fr
Inventor
Ralf Feldhoff
Stefan Tietmeyer
Rainald Voss
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
Barmag AG
Barmag Barmer Maschinenfabrik AG
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
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Application filed by Barmag AG, Barmag Barmer Maschinenfabrik AG filed Critical Barmag AG
Publication of EP0845196A1 publication Critical patent/EP0845196A1/fr
Publication of EP0845196B1 publication Critical patent/EP0845196B1/fr
Application granted granted Critical
Publication of EP0845196B2 publication Critical patent/EP0845196B2/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • 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
    • 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

Definitions

  • the invention relates to a godet for heating a running synthetic Thread according to the preamble of claim 1.
  • Such godets are known.
  • US 3,508,024 is a godet for Heating a running thread is described which is more than two axially successively arranged stationary primary windings and one magnetically conductive godet sheath, which is concentric with the primary windings is rotatably mounted and which with the primary windings a narrow radial gap inductively connected to generate secondary currents is.
  • the carrier of the primary windings is made of several layers Transformer sheets built up perpendicular to the axis of the coil carrier are attached.
  • the primary windings are activated by means of a respective control circuit operated with an AC adjustable frequency, wherein the primary windings are enclosed in a resonant circuit, which on the set frequency is tuned. Via appropriate circuit breakers the resonant circuit is in cooperation with assigned temperature controllers depending on the measured temperature at the godet jacket or can be switched off.
  • a similar godet is described in GB 989,349, in which one Primary winding on a concentric in a hollow cylindrical godet jacket arranged round beam is attached.
  • the laminated iron sheets are arranged so that ring-shaped, radial concentric air gaps are formed to the godet axis of rotation.
  • Another advantage is that commercially available cutting tape cores for Recording the windings can be used. That simplifies the Manufacturing process and reduces costs.
  • the one between neighboring The gap forming the cutting tape cores leads to a very small stray field, that has no influence on the electricity generated and thus the temperature in the Has a godet.
  • the surface shape of the groove base over which the carrier on the Coil carrier is arranged simplifies assembly.
  • Thin transformer sheets required for high-frequency use can also be used up to a thickness of 0.01 mm can be used. Because the depth of penetration of the magnetic flux decreases with increasing frequency and the conduction of the magnetic flux, however, only on the surface takes place, such thin sheets are appropriate to the power loss to keep as low as possible.
  • FIG. 1 In the case of an inductively heated godet shown in FIG. 1, several are axial Carrier 3 located on a coil carrier 5, each with a primary winding 1 provided.
  • a godet casing 2 by means of a cone arrangement 7 clamped on a spindle 9 mounted in two bearings 8.
  • the bearings 8 are supported on a fixed receiving body 11.
  • the godet casing 2 is essentially U-shaped in cross section and has a central opening on its end wall 2a, which is from an im substantially cylindrical inward projection 13 is limited which has an inner cone 7 which is a cone of the spindle 9 fits.
  • There is a thread on the free end of the spindle 9 which a nut 10 to fix the godet 2 on the Spindle 9 is attachable.
  • From the receiving body 11 extends in Shape of a hollow cylinder a coil carrier 5 over the spindle 9 almost to End wall 2a of the godet casing 2.
  • On the coil carrier 5 are in axial Direction of several carriers 3 one behind the other on the circumference of the coil carrier 5 arranged.
  • the carriers 3 each have a groove base 3a and at a distance mutually arranged legs 3b, so that a U-shaped annular space is formed, which serves to receive the primary winding 1.
  • the Legs 3b extend to just before the inner surface of the godet casing 2.
  • Two adjacent legs 3b form with this inner lateral surface each have a defined radial gap 4 corresponding to the leg width Dimension.
  • a corresponding control device (not shown) is used in the Carriers 3 arranged primary windings 1 separately controllable, so that a substantially constant temperature along the outer surface of the Godet casing 2 can be achieved.
  • the rotating godet jacket 2 Via the annular gap 4 between the legs 3b and the inner surface of the godet casing 2, which is magnetic is conductive, the rotating godet jacket 2 is magnetically coupled, so that a voltage is induced in the godet jacket that one Current flow.
  • the current flow in the godet jacket along the circumference has, due to the electrical resistance of the godet material, heating.
  • By switching the coil voltage on and off the temperature in the godet jacket can be adjusted.
  • To loss of performance especially when using high-frequency, for example 2 kHz and above are the transformer plates in the Groove base arranged so that they lie radially one above the other.
  • FIG. 2 shows a locally enlarged sectional view of the groove base 3a, in which the transformer plates radially one above the other in the area of the groove base are stacked.
  • the carrier 3 and 5 show a preferred exemplary embodiment, after the carrier 3 are formed so that the layered transformer sheets Are stacked in a U-shape into so-called cutting tape cores, i.e. the transformer plates are in the radial direction and not - as is generally known - Layered in the axial direction.
  • the bobbin 5 On the circumference of the bobbin 5 are a plurality of U-shaped slit band cores 3 arranged in segments to form a plurality. The on the circumference of the bobbin in the circumferential direction without clearance mutually arranged segment-shaped cutting tape cores 3 thus form a winding support for a primary winding.
  • the advantage of using of cut tape cores 3 is that the magnetic flux to the outside towards, in particular also towards the coil carrier 5, is shielded so that none Stray field can step out.
  • the layered transformer sheets are used for this Stacked in a U-shape. This also creates an optimal magnetic flux enabled that does not have to cross any boundary layers.
  • transformer sheets which are arranged one behind the other in the axial direction are at high-frequency application with, for example, 2 kHz thicker boundary layers causes, which lead to a considerable increase in resistance.
  • the Surface of the groove base 3a, on which the step belt core 3 on the carrier 5 is either substantially flat or the surface of the Carrier 5 adapted and touches the surface of the carrier 5. The winding takes place in the circumferential direction.
  • the free ends of the legs 3b of the cutting tape cores are rounded so that there is between the godet 2 and the free end of the legs 3b a substantially constant Radial gap 4 forms.
  • the between adjacent cutting core 3 Forming gap 14 leads to a very small stray field that none Influence on the electricity generated and thus the temperature in the godet jacket 2 has.
  • the core of the adjacent primary windings can be cut in this way offset from each other that axially around the width of the Form leg 3b delimited column 14.
  • the groove base 3a of the carrier 3 is a hollow cylinder made of several transformer sheets stacked in the radial direction.
  • the legs 3b of the wearer 3 have a plurality of axially stacked annular transformer plates. The between The radial stray field guided in the groove base 3a and the legs 3b is very large low, which is why no influence on the generated electricity and thus on the Temperature in the godet jacket 2 is present.
  • FIG. 4B Another preferred exemplary embodiment is shown in FIG. 4B, in which the carrier 3 from separate legs 3b and a separate Groove base 3a exists.
  • the groove base 3a of the carrier 3 is a hollow cylinder from several transformer sheets stacked in the radial direction.
  • the legs 3b of the cutting tape core 3 have a plurality of stacked annular transformer sheets on.
  • the axial between the groove base 3a and the legs 3b Stray field is very small, which has no effect on the electricity generated and so that it has the temperature in the godet casing 2.
  • FIG. 4C Another preferred exemplary embodiment is shown in FIG. 4C, in which the carrier 3 from separate legs 3b and a separate Groove base 3a exists.
  • the groove base 3a of the cutting tape core 3 is a Hollow cylinder made of several transformer sheets stacked in the radial direction.
  • the Legs 3b of the carrier 3 have a plurality of stacked annular transformer sheets on. That guided between the groove base 3a and the legs 3b oblique stray field is very small, which is why no influence on the generated Current and thus the temperature in the godet jacket 2 is present.
  • a shape of the leg 3b is shown, both with the The arrangement in FIG. 4A and also the arrangement in FIG. 4B can be combined is.
  • the leg 3b is stacked from a plurality of annular transformer sheets. This arrangement is particularly low loss, since the radial gap 4 between the leg 3b and the godet casing 2 all the way around is carried out essentially constant. The stray magnetic flux is very low.
  • FIG. 7 another form of the leg 3b is shown, both with the arrangement in FIG. 4A as well as the arrangement in FIG. 4B can be combined in which each ring-shaped transformer sheet is a star-shaped one Has outer edge.
  • the transformer plates are stacked axially so that the star-shaped ones Outer edges are aligned axially one after the other.
  • Fig. 8 is a possible attachment of the carrier 3 on the coil carrier 5, in which, for example, the cutting band cores are formed Carrier 3 each with at least one screw 6 on the coil carrier 5 the godet 2 are attached.
  • U-shaped layered transformer sheets in particular Cut tape cores also have the advantage that those for high-frequency Application required thin sheets up to 0.01 mm can be. Since the depth of penetration of the magnetic flux with increasing frequency decreases and the power of the magnetic flux but only on the surface. are such thin sheets required in order to keep the power losses lower.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Induction Heating (AREA)
  • Resistance Heating (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (12)

  1. Galet pour chauffer un fil synthétique en mouvement qui présente une pluralité d'enroulements primaires stationnaires (1) et une enveloppe de galet (2) à conduction magnétique étant montée avec possibilité de rotation par rapport à ceux-ci, lesquels enroulements primaires (1) étant respectivement enroulés sur au moins un support en forme de U (3) qui est constitué de plusieurs tôles de transformateur, les supports en forme de U étant agencés par rapport à l'enveloppe de galet (2) sur un support de bobine (5) concentriquement l'un derrière l'autre et l'enveloppe de galet (2) étant couplée à l'intermédiaire des branches (3b) du support (3) aux enroulements primaires (1) respectivement par une fente radiale définie (4) afin de générer des courants induits, dans quel cas le support (3) est réalisé de telle manière que dans la zone de fond de rainure (3a) ses tôles de transformateur sont radialement superposées et sont agencées de telle manière qu'elles sont orientées en direction axiale du support de bobine (5) et que dans la zone des branches (3b) ses tôles de transformateur sont disposées de manière axiale l'une derrière l'autre et sont agencées de telle manière qu'elles sont orientées en direction radiale du support de bobine (5), caractérisé en ce que le support (3) présente plusieurs tôles de transformateur empilées en forme de U l'une dans l'autre en tant que tore enroulé fendu.
  2. Galet selon la revendication 1, caractérisé en ce que le support (3) présente des branches (3b) séparées et un fond de rainure (3a) séparé.
  3. Galet selon la revendication 2, caractérisé en ce que le fond de rainure séparé (3a) présente un cylindre creux étant constitué de plusieurs tôles de transformateur empilées en direction radiale.
  4. Galet selon la revendication 2, caractérisé en ce que chaque branche (3b) séparée présente plusieurs tôles de transformateur annulaires empilées de manière axiale.
  5. Galet selon la revendication 2, caractérisé en ce que chaque branche séparée (3b) présente plusieurs tôles de transformateur en forme d'étoiles, les tôles de transformateur étant empilées de manière axiale.
  6. Galet selon la revendication 1, caractérisé en ce qu'une pluralité des supports (3) est agencée en forme de segments sur la périphérie du support de bobine (5) pour recevoir un des enroulements primaires (1).
  7. Galet selon la revendication 6, caractérisé en ce que le fond de rainure (3a) des supports (3) en forme de segments est sensiblement plane et touche la surface du support de bobine (5).
  8. Galet selon la revendication 6 ou 7, caractérisé en ce que sur leurs extrémités libres les branches (3b) des supports en forme de segments (3) sont réalisés de telle manière en forme d'arc qu'une fente radiale (4) s'ajuste entre le support (3) et l'enveloppe de galette (2) qui est sensiblement constante.
  9. Galet selon la revendication 6, caractérisé en ce que la surface extérieure du fond de rainure (3a) au-dessus de laquelle le support est agencé sur le support de bobine (5) est adaptée à la surface du support de bobine (5).
  10. Galet selon l'une des revendications 6 à 9, caractérisé en ce que les supports en forme de segments (3) d'enroulements primaires (1) adjacents sont agencés de manière décalée l'un à l'autre sur la périphérie du support de bobine (5) en direction axiale du support de bobine (5).
  11. Galet selon l'une des revendications 1 à 10, caractérisé en ce que les supports (3) sont respectivement fixés au moyen d'au moins une vis (6) sur le support de bobine (5) du galet.
  12. Galet selon l'une des revendications 1 à 11, caractérisé en ce que les tôles de transformateur ont une épaisseur jusqu'à 0,01 mm.
EP97928210A 1996-06-18 1997-06-16 Galette pour chauffer un fil synthetique continu Expired - Lifetime EP0845196B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624266 1996-06-18
DE19624266 1996-06-18
PCT/EP1997/003121 WO1997049265A1 (fr) 1996-06-18 1997-06-16 Galette pour chauffer un fil synthetique continu

Publications (3)

Publication Number Publication Date
EP0845196A1 EP0845196A1 (fr) 1998-06-03
EP0845196B1 true EP0845196B1 (fr) 2002-11-27
EP0845196B2 EP0845196B2 (fr) 2011-07-06

Family

ID=7797255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97928210A Expired - Lifetime EP0845196B2 (fr) 1996-06-18 1997-06-16 Galette pour chauffer un fil synthetique continu

Country Status (7)

Country Link
US (1) US5970592A (fr)
EP (1) EP0845196B2 (fr)
KR (1) KR100446346B1 (fr)
CN (1) CN1135908C (fr)
DE (1) DE59708815D1 (fr)
TW (1) TW354339B (fr)
WO (1) WO1997049265A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1614783A1 (fr) * 2004-07-06 2006-01-11 Schärer Schweiter Mettler AG noyau d'inductance pour une galette à chauffer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7105784B2 (en) * 2003-03-24 2006-09-12 Kabushiki Kaisha Toshiba Fixing device
US6861627B2 (en) * 2003-03-26 2005-03-01 Kabushiki Kaisha Toshiba Induction heat fixing device
CN102560798A (zh) * 2004-10-14 2012-07-11 苏拉有限及两合公司 用于引导、加热和输送长丝的导丝辊
US7317177B2 (en) * 2006-04-24 2008-01-08 Inductoheat, Inc. Electric induction heat treatment of an end of tubular material
CN101431884B (zh) * 2008-12-11 2013-03-20 马嘉惠 一种与射频聚焦加热装置配套的电磁屏蔽装置
CN115198419B (zh) * 2022-08-12 2023-09-26 昆山联滔电子有限公司 一种编织线热压机

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Publication number Priority date Publication date Assignee Title
GB858855A (en) * 1956-05-15 1961-01-18 Wild Barfield Electr Furnaces Induction heated rotary rollers
NL283604A (fr) * 1961-09-26 1900-01-01
GB1121860A (en) * 1964-11-21 1968-07-31 Tokushu Denki Kabushiki Kaisha A heating rotary drum apparatus
BE716725A (fr) * 1965-12-03 1968-12-02
US3412229A (en) * 1966-10-20 1968-11-19 Cameron Brown Capital Corp Electric heating means
RO55797A (fr) * 1967-08-16 1974-01-03
DE1660235C3 (de) * 1967-08-16 1980-06-26 Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal Induktiv beheizbare Galette
US3448233A (en) * 1967-09-26 1969-06-03 Pillar Corp Induction heating assembly
US3508024A (en) * 1968-06-17 1970-04-21 Gen Electric Dual inductance induction heater
BE736709A (fr) * 1968-10-24 1969-12-31
US3562472A (en) † 1969-08-20 1971-02-09 Gen Electric Induction heater for rotating godet
GB1319318A (en) * 1970-07-01 1973-06-06 Platt International Ltd Inductively heatable roller having a temperature sensor
JPS6139394A (ja) * 1984-07-30 1986-02-25 トクデン株式会社 ３相環状成層鉄心脚型回転ロ−ラ
EP0349829B1 (fr) * 1988-06-30 1996-04-17 Maschinenfabrik Rieter Ag Galette à large champ de vitesse de rotation
US5159166A (en) * 1988-06-30 1992-10-27 Rieter Machine Works, Ltd. Drawroll unit
DE59202786D1 (de) * 1991-04-27 1995-08-10 Barmag Barmer Maschf Galette zum Erhitzen eines laufenden Fadens.
DE4339903A1 (de) * 1992-12-03 1994-06-09 Barmag Barmer Maschf Galette zur Führung und Förderung eines Fadens
CH690599A5 (de) * 1994-11-10 2000-10-31 Barmag Barmer Maschf Galetteneinheit zum Heizen und Fördern von Fäden.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1614783A1 (fr) * 2004-07-06 2006-01-11 Schärer Schweiter Mettler AG noyau d'inductance pour une galette à chauffer
US7170386B2 (en) 2004-07-06 2007-01-30 Schärer Schweiter Mettler Ag Inductor core for heatable godet roll

Also Published As

Publication number Publication date
CN1135908C (zh) 2004-01-21
TW354339B (en) 1999-03-11
EP0845196B2 (fr) 2011-07-06
DE59708815D1 (de) 2003-01-09
WO1997049265A1 (fr) 1997-12-24
EP0845196A1 (fr) 1998-06-03
KR19990036291A (ko) 1999-05-25
US5970592A (en) 1999-10-26
KR100446346B1 (ko) 2004-10-14
CN1196864A (zh) 1998-10-21

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