EP3976868A1 - Dispositif de chauffage conçu pour chauffer un fil continu - Google Patents

Dispositif de chauffage conçu pour chauffer un fil continu

Info

Publication number
EP3976868A1
EP3976868A1 EP20728479.5A EP20728479A EP3976868A1 EP 3976868 A1 EP3976868 A1 EP 3976868A1 EP 20728479 A EP20728479 A EP 20728479A EP 3976868 A1 EP3976868 A1 EP 3976868A1
Authority
EP
European Patent Office
Prior art keywords
thread
inlet
guide
heating
outlet
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
EP20728479.5A
Other languages
German (de)
English (en)
Other versions
EP3976868B1 (fr
Inventor
Stefan Conrad
Philip JUNGBECKER
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 EP3976868A1 publication Critical patent/EP3976868A1/fr
Application granted granted Critical
Publication of EP3976868B1 publication Critical patent/EP3976868B1/fr
Active 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
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
    • 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
    • D02J13/003—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 stationary surface, e.g. a plate

Definitions

  • the invention relates to a heating device for heating a running thread according to the preamble of claim 1.
  • a generic heating device is known for example from WO 2004/050968 A1.
  • Such heating devices for heating a running thread are preferably used in textile machines in order to heat a preferably synthetic thread to a predetermined temperature.
  • a heating device for example, when texturing synthetic threads it is known that such heating devices are used within a texturing zone to heat a multifilament thread provided with a false twist to a temperature which is in the region of the glass transition temperature.
  • such heating devices are used to reduce internal tensions in the thread. This can be used, for example, to produce very low-shrink synthetic threads.
  • a guide element is held as an insert, for example a heating tube, through which a thread is guided.
  • the carrier tube is heated from the outside by a heat transfer fluid.
  • the carrier tube is designed to be thermally conductive and thus heats the insert or the Schurschreib chen inside the carrier tube.
  • the thread is guided through the heating tube with contact, the heating tube being designed with a curvature. This ensures constant contact of the thread.
  • An inlet thread guide is assigned to a heating inlet for the thread inlet.
  • An outlet thread guide is also assigned to a heating outlet of the heating device.
  • a defined thread guide is guaranteed by the inlet thread guide and the outlet thread guide in order to be able to use the entire contact length of the heating tube for temperature control of the thread.
  • the inlet thread guide and the outlet thread guide are formed with the shortest possible spacing at the heating inlet and at the heating outlet.
  • Another aim of the invention is to ensure the most stable possible thread guidance, especially when the thread is being fed in.
  • inlet thread guide is held either in an operating position for guiding the thread or in a maintenance position for replacing the guide element on the heating inlet by a movable inlet adapter.
  • the invention has the particular advantage that after each replacement of the guide element, the inlet thread guide assumes a defined operating position. In this way, the thread courses predetermined for the thread guide can be maintained reproducibly. Any dismantling and assembly are no longer necessary in order to replace the thread guide element in the carrier tube during maintenance work.
  • the development of the invention is particularly advantageous in which the inlet thread guide is held in a passage channel of the inlet adapter and in which the inlet thread guide in the operating position of the Inlet adapter is arranged with a contact surface in a thread running plane of the guide element. In this way, the thread can be fed to the guide element without significant friction.
  • the inlet thread guide spans an inlet plane of the thread with an inlet thread guide upstream in the thread path, which spans an angle of ⁇ 180 ° with the thread path plane between the guide element and the inlet thread guide. In this way, a defined looping around the inlet thread guide can be achieved, which stabilizes the thread inlet to the guide element.
  • the feed thread guide is arranged in a guide tube which is connected at one end to the passage channel of the inlet adapter.
  • the positions of the inlet thread guide and the inlet thread guide are fixed to one another.
  • the mobility of the inlet adapter is automatically transferred to the connected guide tube, so that the desired thread guidance is guaranteed after a change from a maintenance position to an operating position.
  • the development of the invention is provided in which the inlet adapter is held in the operating position by a tension spring on the support tube.
  • the support tube has a connection adapter at a free end for receiving a retaining bushing which is firmly connected to a free end of the guide element and can be exchanged together with the guide element .
  • association between the guide element and the inlet thread guide can be improved if the retaining bush has a centering opening through which a hollow pin of the inlet adapter in the heating inlet is centered. is manageable. This ensures that the inlet adapter repeatably assumes the operating position.
  • the inlet adapter can be automatically or manually moved from the operating position to the maintenance position on the side of the carrier tube.
  • the guide element could be replaced by an operator or an automatic operator.
  • the threading of a thread at the start of the process can be improved even further in that the inlet thread guide is designed as a guide ring which has an inner diameter that is greater than an inner diameter of the carrier tube. This ensures that when a thread end is sucked in, it does not get caught in the heating inlet.
  • the threading of a thread is particularly favored by the further development of the invention, in which the outlet thread guide is held in an outlet channel of an outlet adapter which is connected to an opposite end of the support tube and which has an insertion opening for a thread suction gun on one outlet side.
  • a suction opening of the thread suction gun can thus be fed directly to the heating outlet. The suction effect can thus be transferred to the heating inlet.
  • the outlet thread guide spans an outlet plane of the thread with an outlet thread guide arranged downstream in the thread run, which with the thread run plane between the guide element and the outlet thread guide an angle of ⁇ 180 ° spans. In this way, a defined loop is created on the outlet thread guide, which ensures contact between the thread and the guide element as far as possible up to the end of the guide element.
  • the guide element is formed by a heating tube through which the thread is guided with contact.
  • the heating tube leaves insert themselves coaxially into the carrier tube in order to be heated with the closest possible contact over the entire circumference by the carrier tube.
  • the heating device according to the invention is particularly suitable for heating a synthetic thread in a texturing zone of a texturing machine. Due to the stable thread guidance, which is guaranteed with little looping, a false twist in the thread can also be guided through the heating tubes.
  • Fig. 1 schematically shows a cross-sectional view of an embodiment of the inventive heating device
  • Fig. 2.2 schematically shows a cross-sectional view of the heating inlet of thewhosbei game from Fig. 1 in different operating situations
  • FIG. 3 schematically shows a cross-sectional view of the heating outlet of the exemplary embodiment from FIG. 1
  • a cross section of an embodiment of the inventive heating device for heating a running thread is shown schematically.
  • the exemplary embodiment is preferably used in texturing machines in order to heat a twisted thread in a texturing zone or in order to heat a textured thread in an aftertreatment zone for shrinking treatment.
  • the exemplary embodiment of the heating device according to the invention has a support tube 2 which is penetrated by a guide element 3.
  • the guide element 3 is formed by a heating tube which is arranged coaxially in the support tube 2.
  • a thread channel 6 is formed, through which a thread is guided with contact.
  • the carrier tube 6 and the heating tube 3 are designed with a slight curvature.
  • the carrier tube 2 and the heating tube 3 penetrate a housing 1 and form a heating inlet 7 at one end of the housing 1 and a heating outlet 21 at an opposite end of the housing 1.
  • the design of the heating inlet 7 and the heating outlet 21 is explained in more detail below.
  • a heating chamber 4 is formed, which is penetrated by the support tube 2.
  • the heating chamber 4 is connected to a heat transfer circuit (not shown here) via several fluid connections 5.1 and 5.2.
  • a heat transfer medium for example a Diphyl, can thus be introduced into the heating chamber 4 in order to heat the carrier tube 2 from the outside.
  • the support tube 2 is formed from a thermally conductive material, so that the heating tube 3 is heated with it by heat transfer.
  • the heating chamber 4 is thermally insulated within the housing 1 by insulating material compared to the environment.
  • a contact guide of the thread on the jacket surface of the heating tube 3 is to be kept as possible over the entire length of the heating tube.
  • the inlet of the thread into the heating tube and the outlet from the heating tube must be designed in such a way that as far as possible no contact friction occurs.
  • An inlet thread guide 15 is thus provided for the thread inlet and an outlet thread guide 22 is provided for the thread outlet, the design and arrangement of which is explained in more detail below.
  • FIGS. 2.1 and 2.2 A cross-sectional view of the heating inlet 7 of the exemplary embodiment from FIG. 1 in several operating situations is shown schematically in FIGS. 2.1 and 2.2. In Fig. 2.1 the heater is serviced. The following description applies to both figures insofar as no express reference is made to one of the figures.
  • the support tube 2 is firmly connected to a support tube end 8.1 protruding from the housing 1 with a connection adapter 9.
  • the connection adapter 9 is held on the housing 1.
  • the connection adapter 9 is penetrated by a tube end 13 of the heating tube 3.
  • a retaining bushing 14 is located on the free tube end 13 firmly connected to the heating tube. The retaining bushing 14 can be pulled out of the carrier tube and the connection adapter 9 with the heating tube 3 in order to replace the heating tube 3, for example.
  • an inlet adapter 10 is held in a form-fitting manner on the connection adapter 9 under a spring preload.
  • two tension springs 11.1 and 11.2 are stretched between the inlet adapter 10 and the connection adapter 9 and are held by spring holders 12.1 to 12.4.
  • the holding sleeve 14 held on the connection adapter 9 has a centering opening 14.1 on a side opposite the tube end 13 of the heating tubes 3, which is used to accommodate a hollow pin 10.2 of the inlet adapter 10.
  • the inlet adapter 10 and the hollow pin 10.2 are penetrated by a passage 10.1.
  • an inlet thread guide 15 is arranged in an enlarged section of the passage channel 10.1.
  • the inlet thread guide 15 is formed by a guide ring 20, which has an inside diameter that is larger than an inside diameter of the carrier tube 2.
  • the inlet thread guide 15 has a contact surface 28 which spans a thread path plane 18 with a running surface 29 on the tube end 13 of the heating tube 3 . A thread 30 can thus be guided tangentially into the heating tube 3.
  • An inlet thread guide 16 is assigned to the inlet thread guide 15 and spans an inlet level 19 with the inlet thread guide 15.
  • the inlet plane 19 between the inlet thread guide 16 and the inlet thread guide 15 spans an angle ⁇ 180 ° with the thread running level 18 between the inlet thread guide 15 and the tube end 13. This creates a stable thread run which enables the thread 30 to run in gently.
  • the feed thread guide 16 is integrated within a guide tube 17 that is connected to the passage channel 10.1 of the inlet adapter 10.
  • the guide tube 17 and the passage 10.1 of the inlet adapter 10 together with the ring shaped inlet thread guide 15 has a passage, in particular to enable a thread to be sucked in.
  • the transitions and in particular the size of the guide ring 20 are designed in such a way that a thread end can be guided into the interior of the heating tube 3 by a suction flow.
  • the inlet adapter 10 is pulled off the carrier tube 2 and moved to the side next to the connection adapter 9. As a result, the retaining sleeve 14 with the heating tube 3 can be removed. This situation is shown in Fig. 2.2.
  • the inlet adapter 10 can be moved manually by an operator or automatically by an automatic operator against the tensile force of the tension springs 11.1 and 11.2 in such a way that the hollow pin 10.2 is released from the centering opening 14.1 of the retaining bush 14. As soon as the hollow pin 10.2 has been guided out of the centering opening 14.1, the inlet adapter 10 is held in a maintenance position for exchanging the guide element 3 on the heating inlet 7.
  • the maintenance position of Einassadap age 10 is shown in phantom in Fig. 2.2.
  • the inlet adapter 10 is located laterally next to the connection adapter 9.
  • the guide tube 17 arranged on the inlet adapter 10 is also moved.
  • the inlet adapter 10 can be returned to the original operating position.
  • the positions of the inlet thread guide 15 and the inlet thread guide 16 remain unchanged.
  • the heating outlet 21 on the housing 1 is shown schematically in a cross-sectional view.
  • an outlet adapter 27 is arranged on the housing 1, which is connected to a support tube end 8.2 protruding from the housing 1.
  • the outlet adapter 27 has an outlet channel 23 in extension to the carrier tube 2.
  • a discharge thread guide 22 is arranged within the outlet channel 23.
  • the outlet thread guide 22 is also formed by a guide ring 20, the inner diameter of which is greater than the inner diameter of the carrier tube 2.
  • the outlet thread guide Guide 22 also has a contact surface 28 which spans a thread running plane 28 with a tube end 13 held inside the Trä gerrohres 2.
  • the inlet thread guide is assigned an outlet thread guide 25 at the end of the outlet adapter 27.
  • the outlet thread guide 25 and the outlet thread guide 22 span an outlet plane 26.
  • the outlet plane 26 and the thread run plane 18 are also aligned with one another in such a way that an angle of ⁇ 180 ° spans between them. It can thus be achieved that the thread 30 meets the running surface 29 of the
  • Heating tube 3 contacted throughout.
  • the outlet adapter 27 has between the outlet thread guide 25 and the outlet thread guide 22 an outwardly open insertion opening 24 which opens into the outlet channel 23.
  • the insertion opening 24 is used to receive a suction end egg ner thread suction gun, which is once plugged into the insertion opening 24 for threading a thread. The suction force generated by a thread suction gun can thus be transferred directly to the heating outlet 21 up to the heating inlet 7.
  • a heating tube is shown as a guide element in the carrier tube 2.
  • the invention also extends to such guide elements which, for example, have a profile cross-section and only bear against the carrier tube on one side.
  • the design of the movable inlet adapter is exemplary and only represents one possible design variant. It is essential for the invention that the inlet thread guide is held between an operating position for guiding the thread or in a maintenance position for replacing the guide element by means of the inlet adapter can. Therefore, the Schuvor direction according to the invention is particularly user-friendly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un dispositif de chauffage conçu pour chauffer un fil continu, comprenant, dans un tuyau de support chauffé, un élément de guidage destiné à guider et chauffer le fil. Le fil est guidé à travers un guide-fil d'entrée au niveau d'une entrée de chauffage et à travers un guide-fil de sortie au niveau d'une sortie de chauffage. L'objectif de cette invention est d'assurer une facilité d'utilisation et, en particulier, de permettre le remplacement de l'élément de guidage. À cet effet, le guide-fil d'entrée est maintenu à l'entrée de chauffage par l'intermédiaire d'un adaptateur d'entrée mobile sélectivement dans une position de fonctionnement pour guider le fil ou dans une position de maintenance pour replacer l'élément de guidage.
EP20728479.5A 2019-05-28 2020-05-26 Dispositif de chauffage pour chauffer un fil en cours Active EP3976868B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019003801.0A DE102019003801A1 (de) 2019-05-28 2019-05-28 Heizvorrichtung zum Erwärmen eines laufenden Fadens
PCT/EP2020/064546 WO2020239751A1 (fr) 2019-05-28 2020-05-26 Dispositif de chauffage conçu pour chauffer un fil continu

Publications (2)

Publication Number Publication Date
EP3976868A1 true EP3976868A1 (fr) 2022-04-06
EP3976868B1 EP3976868B1 (fr) 2025-08-13

Family

ID=70857188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20728479.5A Active EP3976868B1 (fr) 2019-05-28 2020-05-26 Dispositif de chauffage pour chauffer un fil en cours

Country Status (5)

Country Link
EP (1) EP3976868B1 (fr)
JP (1) JP7592637B2 (fr)
CN (1) CN113874566B (fr)
DE (1) DE102019003801A1 (fr)
WO (1) WO2020239751A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023144754A (ja) * 2022-03-28 2023-10-11 Ｔｍｔマシナリー株式会社 加熱装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1817084A1 (de) * 1968-12-27 1970-07-09 Barmag Barmer Maschf Kombinierte Fadenleit- und Einfaedelvorrichtung
CA945353A (en) * 1970-07-13 1974-04-16 Heinz Treptow Air heating box for thermal treatment of filaments
JPS56170281U (fr) * 1980-05-19 1981-12-16
US4902461A (en) * 1987-03-20 1990-02-20 Barmag, Ag Method for heating an advancing yarn
JPH04127281U (ja) * 1991-05-13 1992-11-19 村田機械株式会社 延伸仮撚機の熱媒ヒータ
DE69200684T2 (de) * 1991-07-18 1995-03-16 Icbt Roanne Vorrichtung zur thermischen Behandlung von laufenden Garnen.
KR950701992A (ko) * 1992-06-06 1995-05-17 클라우스 퓌팅, 리이터 핑슈텐 전진사 가열장치(arrangement for heating a running thread)
FR2693480B1 (fr) * 1992-07-08 1994-08-19 Icbt Roanne Dispositif de chauffage d'un fil en mouvement.
FR2695655B1 (fr) * 1993-07-20 1995-03-03 Icbt Roanne Dispositif pour le traitement thermique de fils en mouvement.
EP0691429B1 (fr) * 1994-06-22 1999-08-04 B a r m a g AG Rail chauffant pour un fil synthétique en mouvement
DE19615212A1 (de) * 1995-04-25 1996-10-31 Barmag Barmer Maschf Heizschiene für Texturiermaschinen
EP0751245B1 (fr) * 1995-06-27 2002-11-27 B a r m a g AG Dispositif de chauffage pour chauffer un fil en mouvement
TW347419B (en) * 1996-04-03 1998-12-11 Barmag Barmer Maschf Apparatus for heating an advancing yarn
DE19613379A1 (de) * 1996-04-03 1997-10-09 Barmag Barmer Maschf Heizeinrichtung mit auswechselbarem Fadenführereinsatz
WO2000073557A2 (fr) * 1999-05-29 2000-12-07 Barmag Ag Dispositif de chauffage
TWI317769B (en) * 2002-12-04 2009-12-01 Barmag Barmer Maschf Heating device for heating a yarn
DE10348278A1 (de) * 2003-10-17 2005-05-25 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Behandlung eines laufenden Fadens mit einem gas- und dampfförmigen Behandlungsmedium
CN201372341Y (zh) * 2009-03-20 2009-12-30 南通双弘纺织有限公司 环锭纺细纱机导纱装置
DE102010022211A1 (de) * 2010-05-20 2011-11-24 Oerlikon Textile Gmbh & Co. Kg Garnschleuse zur Abdichtung einer unter Überdruck stehenden Garnbehandlungskammer
IN2013MU02577A (fr) * 2013-08-05 2015-06-12 Marc Ltd T
DE102014007454A1 (de) * 2014-05-21 2015-11-26 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Abziehen und Verstecken einer synthetischen Fadenschar
JP6457342B2 (ja) * 2014-07-03 2019-01-23 Ｔｍｔマシナリー株式会社 仮撚加工機、及び、仮撚加工機の糸掛け方法

Also Published As

Publication number Publication date
JP2022534931A (ja) 2022-08-04
DE102019003801A1 (de) 2020-12-03
CN113874566B (zh) 2023-11-17
EP3976868B1 (fr) 2025-08-13
WO2020239751A1 (fr) 2020-12-03
JP7592637B2 (ja) 2024-12-02
CN113874566A (zh) 2021-12-31

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