EP3523469B1 - Dispostif pour refroidir un fil chaud - Google Patents

Dispostif pour refroidir un fil chaud Download PDF

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Publication number
EP3523469B1
EP3523469B1 EP17705115.8A EP17705115A EP3523469B1 EP 3523469 B1 EP3523469 B1 EP 3523469B1 EP 17705115 A EP17705115 A EP 17705115A EP 3523469 B1 EP3523469 B1 EP 3523469B1
Authority
EP
European Patent Office
Prior art keywords
thread
housing
cooling
groove
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.)
Active
Application number
EP17705115.8A
Other languages
German (de)
English (en)
Other versions
EP3523469A1 (fr
Inventor
Stefan Conrad
Philip JUNGBECKER
Tobias MÜNSTERMANN
Thomas RAMAKERS
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
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Publication date
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Publication of EP3523469A1 publication Critical patent/EP3523469A1/fr
Application granted granted Critical
Publication of EP3523469B1 publication Critical patent/EP3523469B1/fr
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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
    • D02J13/001—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 device for cooling a heated thread according to the preamble of claim 1.
  • the threads are crimped in a texturing process.
  • the thread is stretched and crimped in a so-called texturing zone.
  • the thread is given a false twist, which propagates against the thread running direction.
  • the thread is heated to a temperature in the region of 200 ° C.
  • the plastic state of the thread material reached in this way means that the twist is impressed in the individual filaments of the thread.
  • the thread is then immediately cooled to a temperature of approx. 80 ° C.
  • the crimp is thus retained in the thread and effects the desired finishing.
  • the thread is preferably cooled by an air-cooled cooling rail, on the surface of which the thread is guided with contact.
  • cooling rails have the fundamental disadvantage that relatively long cooling sections are required in order to obtain sufficient cooling when the thread is running at higher speeds.
  • Devices for cooling a heated thread are therefore known in the prior art, in which the cooling of the thread is carried out with the aid of a cooling liquid in order to be able to realize the shortest possible cooling distances.
  • Such a generic device for cooling a heated thread is for example from the EP 0 403 098 A2 known.
  • a cooling body with a cooling groove is provided, which has a plurality of recessed slot pockets in the groove base of the cooling groove.
  • the cooling groove is coupled to a cooling liquid reservoir via a capillary, so that the cooling liquid is continuously introduced into the cooling groove.
  • the heated thread is guided through the cooling groove with contact and cooled by the cooling liquid.
  • the thread is then passed over a subsequent cooling rail.
  • the residual coolant escaping on the outlet side of the cooling groove is collected and returned to a tank.
  • the heat sink is held directly in the machine environment, so that the vapors that occur enter the environment without hindrance.
  • the excess cooling liquid residues adhering to the thread are carried along by the thread and sometimes lead to undesired soiling of the surroundings and the neighboring units.
  • a cooling device is for example from the JP H09 157973 A known. Furthermore, from the EP 0 879 907 A1 a texturing machine for texturing a variety of thermoplastic threads is known.
  • Another aim of the invention is to make the generic device for cooling a heated thread user-friendly.
  • this object is achieved in that the heat sink is encapsulated in a housing and that the housing has a threading slot for introducing the thread, which threading slot extends between a thread inlet and a thread outlet on the housing.
  • the invention is characterized in that the area around the heat sink is delimited by a housing.
  • a threading slot on the housing ensures that a thread can be guided into the cooling groove of the heat sink without major tools.
  • the threading slot on the housing extends between a thread inlet and a thread outlet on the housing. In this respect, the openings in the housing required for guiding the thread can be limited to a minimum.
  • the further development of the device according to the invention is particularly advantageous in which the threading slot is formed on a lateral housing wall above the cooling groove of the heat sink. It is common knowledge that vapors rise from the cooling groove.
  • the lateral arrangement of the threading slot means that there is no direct connection between the cooling groove and the threading slot.
  • the cooling groove is preferably designed with a curved groove base.
  • the threading slot between the thread inlet and the thread outlet is formed with a curvature that is at least partially equivalent to the groove base. This allows a substantially constant distance between the cooling groove and the Reach threading slot, which makes it difficult for vapors to escape over the entire cooling section.
  • the thread guidance within a treatment zone can be improved in particular by the further development of the invention in that an inlet thread guide is assigned to the thread inlet and an outlet thread guide is assigned to the thread outlet within the housing and in which the cooling body extends between the thread guides.
  • an inlet thread guide is assigned to the thread inlet
  • an outlet thread guide is assigned to the thread outlet within the housing and in which the cooling body extends between the thread guides.
  • a suction opening to be formed on the housing in the area of the thread outlet, which can be connected to a suction device. In this way, the vapors occurring inside the housing can be continuously removed during operation.
  • the suction opening is preferably formed in a housing base between the cooling body and the thread outlet, so that a residual cooling liquid can be removed at the same time, which is carried along by the thread from the cooling groove and discharged.
  • an air opening to be formed on the housing in the area of the thread inlet flows into an environment. In this way, a continuous fresh air can be supplied.
  • the thread inlet and the thread outlet as well as the threading slot preferably have minimal opening cross-sections. In this way, the entrainment of warm air through the thread can be reduced at the thread inlet.
  • the metering device is preferably arranged outside the housing and connected to the cooling body in the interior of the housing by a fluid line. In this way, a defined amount of cooling liquid can be fed continuously to the cooling groove.
  • the further development of the invention is particularly advantageous in which the cooling groove has a plurality of recessed groove pockets in a section of the groove base, each of which is separated from one another by a guide web in the groove base, the metering opening being formed in an upstream section of the groove base .
  • Figs. 1 to 4 a first embodiment of the device according to the invention for cooling a heated thread is shown in several views.
  • Fig. 1 shows a side view
  • Fig. 2 a front view
  • Fig. 3 a longitudinal sectional view
  • Fig. 4 a cross-sectional view of the device according to the invention.
  • the embodiment of the device according to the invention has an elongated housing 7.
  • an elongated heat sink 1 is arranged in the interior of the housing 7.
  • a cooling groove 2 extends on an upper side of the cooling body 1.
  • the cooling groove 2 extends to the front ends of the cooling body 1.
  • the cooling groove 2 has a curved groove base 3.
  • a metering opening 4 opens into the groove base 3.
  • the metering opening 4 is connected to a metering channel 4.1 which penetrates the cooling body 1 up to an underside.
  • several slot pockets 3.1 are formed, which are separated by several webs 3.2 in the groove base 3.
  • the underside of the heat sink 1 is held on a housing base 7.3 of the housing 7.
  • the environment of the heat sink 1 is encapsulated by the housing 7.
  • the housing 7 In addition to the housing base 7.3, the housing 7 has an opposing housing cover 7.4 and two opposing housing side walls 7.1 and 7.2.
  • the housing wall 7.1 is designed in several parts and forms a threading slot 11.
  • the threading slot 11 extends over the entire length of the housing 7.
  • the threading slot 11 is designed with a curvature equivalent to the curvature of the groove bottom of the cooling groove 2.
  • the threading slot 11 can thus be formed on the housing 7 directly next to the cooling body 1.
  • the threading slot 11 is connected to a thread inlet 8 and to a thread outlet 9, as shown in FIG Fig. 2 using the example of the thread inlet 8.
  • the thread inlet 8 and the thread outlet 9 are formed on the housing end walls 7.5 and 7.6 of the housing 7.
  • an inlet thread guide 8.1 is arranged on the housing end wall 7.5 and an outlet thread guide 9.1 is arranged on the housing end wall 7.2.
  • the inlet thread guide 8.1 and the outlet thread guide 9.1 are preferably formed by a ceramic and have a thread guide groove.
  • the inlet thread guide 8.1 directly forms the thread inlet 8 and the outlet thread guide 9.1 the thread outlet 9.
  • the thread guides 8.1 and 9.1 could be arranged in the interior of the housing 7 independently of a thread inlet 8 and a thread outlet 9.
  • the inlet thread guide 8.1 and the outlet thread guide 9.1 are arranged at a short distance from the front ends of the cooling body 1.
  • the guide grooves of the thread guides 8.1 and 9.1 cooperate with the groove base 3 of the cooling groove 2 for thread guidance.
  • a suction opening 10 is formed within the housing 7 in the housing bottom 7.3 in the region of the thread outlet 9.
  • the suction opening 10 is arranged between the front end of the cooling body 1 and the outlet thread guide 9.1.
  • the suction opening 10 is coupled via a suction line 13 to a suction device not shown here.
  • the housing side wall 7.2 On the opposite side in the inlet area, the housing side wall 7.2 has an air opening 12.
  • the air opening 12 is formed in the area between the inlet thread guide 8.1 and the front end of the cooling body 1.
  • the air opening 12 opens into the surroundings of the housing 7.
  • the supply of a cooling liquid is ensured by a metering device 6 which is arranged outside the housing 7.
  • the metering device 6 has a metering means 6.1, for example a metering pump, and a container 6.2 which is filled with a cooling liquid.
  • the dosing means 6.1 is connected to the dosing channel 4.1 of the cooling body 1 via a fluid line 5.
  • a fluid connection can be formed in the housing base 7.3, for example, through which the fluid line 5 is connected to the metering channel 4.1.
  • the metering device 6 continuously conveys a predetermined amount of cooling liquid to the heat sink 1, the metered amount of cooling liquid being supplied to the cooling groove 2 via the metering opening 4 in the groove base 3.
  • the thread is first guided into the interior of the housing 7 via the threading slot 11 and then placed in the inlet thread guide 8.1, the cooling groove 2 and the outlet thread guide 9.1.
  • the thread passes through the cooling groove 2 with contact on the groove base 3.
  • the thread is wetted with the cooling liquid and cooled.
  • the vapors that occur collect in the housing 7 and are discharged via the suction opening 10.
  • a continuous stream of fresh air is introduced into the interior of the housing 7 via the air opening 12.
  • the device according to the invention for cooling threads is therefore particularly suitable for use in texturing machines with a large number of processing points.
  • a large number of such devices can be used in a texturing machine.
  • intensive cooling of the threads by cooling fluids there is no pollution of the environment in the texturing machine.
  • Because of the threading slot on the housing, quick and simple operating procedures for applying the thread can be carried out by an operator.
  • the in Figs. 1 to 4 The embodiment shown is the structural design of the heat sink 1 exemplary.
  • the heat sink can be designed with or without slot pockets in the slot base.
  • several heat sinks arranged one behind the other can also be provided which are encapsulated together in the housing. It is essential here that the area around the heat sink is encapsulated by the housing and that the housing has a threading slot that can be used for threading the threads.

Landscapes

  • 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)
  • Treatment Of Fiber Materials (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Claims (9)

  1. Dispositif de refroidissement d'un fil chauffé avec un corps de refroidissement (1) qui présente une rainure de refroidissement allongée (2) pour le guidage du fil, dans lequel la rainure de refroidissement (2) est reliée par une ouverture de dosage (4) dans le fond de rainure (3) à un dispositif de dosage (6) pour apporter un liquide de refroidissement, caractérisé en ce que le corps de refroidissement (1) est encapsulé dans un boîtier (7), et en ce que le boîtier (7) présente une fente d'enfilage (11) pour introduire le fil, ladite fente d'enfilage (11) s'étendant entre une entrée de fil (8) et une sortie de fil (9) sur le boîtier (7).
  2. Dispositif selon la revendication 1, caractérisé en ce que la fente d'enfilage (11) est réalisée sur une paroi de boîtier latérale (7.1) au-dessus de la rainure de refroidissement (2) du corps de refroidissement (1).
  3. Dispositif selon la revendication 2, caractérisé en ce que la rainure de refroidissement (2) présente un fond de rainure courbe (3), et en ce que la fente d'enfilage (11) présente entre l'entrée de fil (8) et la sortie de fil (9) une courbure au moins partiellement équivalente au fond de rainure (3).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'à l'intérieur du boîtier (7) un guide-fil d'entrée (8.1) est associé à l'entrée de fil (8) et un guide-fil de sortie (9.1) est associé à la sortie de fil (9), et en ce que le corps de refroidissement (1) s'étend entre les guide-fils (8.1, 9.1).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'à l'intérieur du boîtier (7), au niveau de la sortie de fil (9), une ouverture d'aspiration (10) est réalisée sur le boîtier (7), à laquelle un dispositif d'aspiration (13) peut être raccordé.
  6. Dispositif selon la revendication 5, caractérisé en ce que l'ouverture d'aspiration (10) est réalisée dans un fond de boîtier (7.3) entre le corps de refroidissement (1) et la sortie de fil (9).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'à l'intérieur du boîtier (7), au niveau de l'entrée de fil (8), une ouverture d'aération (12) est réalisée sur le boîtier (7) qui débouche sur un environnement.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif de dosage (6) est disposé à l'extérieur du boîtier (7) et est relié par une conduite de fluide (5) au corps de refroidissement (1) à l'intérieur du boîtier (7).
  9. Dispositif selon la revendication 8, caractérisé en ce que la rainure de refroidissement (2) présente dans une section du fond de rainure (3) une pluralité de poches de rainure en retrait (3.1) qui sont respectivement séparées les unes des autres par une nervure de guidage (3.2) dans le fond de rainure (3), l'ouverture de dosage (4) étant réalisée dans une section en amont du fond de rainure (3).
EP17705115.8A 2016-10-08 2017-02-14 Dispostif pour refroidir un fil chaud Active EP3523469B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016012107 2016-10-08
PCT/EP2017/053249 WO2018065123A1 (fr) 2016-10-08 2017-02-14 Dispositif de refroidissement d'un fil chauffé

Publications (2)

Publication Number Publication Date
EP3523469A1 EP3523469A1 (fr) 2019-08-14
EP3523469B1 true EP3523469B1 (fr) 2020-10-07

Family

ID=58044073

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Application Number Title Priority Date Filing Date
EP17705115.8A Active EP3523469B1 (fr) 2016-10-08 2017-02-14 Dispostif pour refroidir un fil chaud

Country Status (5)

Country Link
EP (1) EP3523469B1 (fr)
JP (1) JP6861807B2 (fr)
CN (1) CN109844195B (fr)
TW (1) TWI765879B (fr)
WO (1) WO2018065123A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3538697B1 (fr) * 2016-11-11 2021-02-24 Oerlikon Textile GmbH & Co. KG Dispositif de refroidissement pour fil synthétique
DE102019134639B4 (de) * 2019-12-17 2021-07-29 Stc Spinnzwirn Gmbh Galette
DE102021002945A1 (de) * 2021-06-09 2022-12-15 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Kühlen eines laufenden Fadens

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JPS5825774B2 (ja) * 1977-06-13 1983-05-30 村田機械株式会社 糸仮撚処理装置における始動方法
JPS58191230A (ja) * 1982-04-28 1983-11-08 東レ株式会社 仮撚加撚域における走行糸条の案内方法及びその装置
GB8913825D0 (en) * 1989-06-15 1989-08-02 Rieter Scragg Ltd Yarn texturing method and apparatus
JPH0816292B2 (ja) * 1992-03-23 1996-02-21 東レ株式会社 延伸仮撚方法及び延伸仮撚機
CN2122868U (zh) * 1992-03-30 1992-11-25 罗义生 绒线整烫机
FR2690694B1 (fr) * 1992-04-29 1994-06-17 Icbt Roanne Procede pour le traitement de fils chimiques, notamment lors d'une operation de texturation, et installation textile mettant en óoeuvre ce procede.
JP3139132B2 (ja) * 1992-05-27 2001-02-26 東レ株式会社 仮撚加工の糸冷却方法およびその糸冷却装置
JP3173123B2 (ja) * 1992-05-27 2001-06-04 東レ株式会社 仮撚加工の糸冷却法およびその糸冷却装置
JPH08199444A (ja) * 1995-01-18 1996-08-06 Teijin Seiki Co Ltd 糸条冷却装置
JPH09157973A (ja) * 1995-12-07 1997-06-17 Murata Mach Ltd 延伸仮撚り機の糸冷却装置
JPH09316742A (ja) * 1996-03-29 1997-12-09 Toray Ind Inc 仮撚加工装置
JP3490844B2 (ja) * 1996-05-30 2004-01-26 東レエンジニアリング株式会社 仮撚機の冷却装置
DE59807796D1 (de) * 1997-05-24 2003-05-15 Barmag Barmer Maschf Texturiermaschine
DE10218748A1 (de) * 2002-04-26 2003-11-13 Barmag Barmer Maschf Texturmaschine
CN1986939A (zh) * 2005-12-21 2007-06-27 周巽 一种无须采用缝纫线穿孔程序上线的缝衣针及其使用方法
JP5253980B2 (ja) * 2008-11-25 2013-07-31 Ｊｕｋｉ株式会社 下糸張力制御装置

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Also Published As

Publication number Publication date
EP3523469A1 (fr) 2019-08-14
WO2018065123A1 (fr) 2018-04-12
JP2019529734A (ja) 2019-10-17
TWI765879B (zh) 2022-06-01
CN109844195A (zh) 2019-06-04
TW201814094A (zh) 2018-04-16
CN109844195B (zh) 2022-03-29
JP6861807B2 (ja) 2021-04-21

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