EP1260622A1 - Métier à tisser à jet, en particulier un métier à air avec une système d'insertion de trame - Google Patents

Métier à tisser à jet, en particulier un métier à air avec une système d'insertion de trame Download PDF

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Publication number
EP1260622A1
EP1260622A1 EP02008431A EP02008431A EP1260622A1 EP 1260622 A1 EP1260622 A1 EP 1260622A1 EP 02008431 A EP02008431 A EP 02008431A EP 02008431 A EP02008431 A EP 02008431A EP 1260622 A1 EP1260622 A1 EP 1260622A1
Authority
EP
European Patent Office
Prior art keywords
pressure
main
main blowing
nozzles
blowing
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
EP02008431A
Other languages
German (de)
English (en)
Other versions
EP1260622B1 (fr
Inventor
Markus Gielen
Adnan Dr. Wahhoud
Dieter Teufel
Peter Schiller
Matthias Armbrust
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP1260622A1 publication Critical patent/EP1260622A1/fr
Application granted granted Critical
Publication of EP1260622B1 publication Critical patent/EP1260622B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3053—Arrangements or lay out of air supply systems

Definitions

  • the invention relates to a jet loom, in particular one Air jet weaving machine with a weft insertion system and a control and regulating system for pressurizing in particular the main blowing nozzles according to the features of the preamble of patent claim 1.
  • Another approach is to apply pressure to all of the main blowing nozzles jointly adjusted to a certain level by a mechanical pressure regulator becomes. So first of all, regardless of quality differences of the individual Weft yarns, the setting of a basic pressure level. Every main blowing nozzle is one Throttle valve assigned to the individual for each weft When the specified weft flight time is reached, the required pressure level is set becomes.
  • a jet loom which is equipped with a measuring device for the transport speed of the weft thread and with a control system in which the signal representative of the transport speed is converted into a control signal that the components of the weft thread transport system, which the Determine the speed of the weft thread.
  • the person skilled in the art recognizes the main blowing nozzles as components of the weft thread transport system and that a pressure control or regulating valve is assigned to each main blowing nozzle.
  • Jet loom especially an air jet loom, one in every way Cost-effective control system for the main blowing and optionally for the To create tandem main blow nozzles, which is also responsive to both Start of the weaving machine for the first weft insertion of the necessary pressure to provide, as well as weft insertion to weft insertion any pressure levels to react quickly.
  • the object is achieved in that the control and regulating system for all main blowing nozzles and optionally for all tandem main blowing nozzles the only known 3/2-way servo valve with integrated pressure sensor and Controller includes.
  • a single valve is able to operate in the range of a few milliseconds, namely between about 15 to 20 ms of a required Pressure level e.g. from 2.5 bar to another required pressure level of e.g. 5.0 bar can switch to the assignment known from the prior art Pressure control valve for each main blowing nozzle or each tandem main blowing nozzle is dispensed with become.
  • the figure shows schematically the weft insertion system Air jet loom.
  • the weft insertion system consists of a pneumatic pressure wave P, from 1 to n main blowing nozzles, 1, 2, 3, n and optionally from 1 to n tandem main blowing nozzles (not shown), from 1 to n auxiliary blowing or relay nozzles (not shown), which transport the weft thread support through the weft insertion channel of a reed, not shown, and from a means not shown, which measures the time required for the weft transport or the angle of rotation of the main loom shaft as an actual value and compares it with a predetermined target value and converts the determined time or angle difference value into a representative signal ,
  • This signal symbolically represented here by the signal line 4, is fed to the control and regulating system 5.
  • the control and regulating system 5 comprises a 3/2-way servo valve known per se with an integrated pressure sensor and regulator.
  • a pressure distributor 6 is arranged downstream of the only control and regulation system 5 used for the pressure control and regulation system of all main nozzles 1, 2, 3, n.
  • a pressure line 7 connects the pressure control and regulating system to the pressure distributor 6, so that the pressure predetermined for the valve via the pressure distributor 6 and via the directional valve 8, 9, 10, 11 arranged upstream of each main blowing nozzle and the respective pressure line 12, 13, 14, 15 of the respective main blowing nozzle 1 to n is supplied.
  • the air jet weaving machine works in the weft insertion system with three different weft threads. Each weft thread has a different quality, so that each weft thread requires a special main nozzle pressure in order to achieve a thread flight time that is the same for all weft threads.
  • the operator of the weaving machine enters a pressure value of 3 bar for the weft thread in the main nozzle 1, a pressure value of 5 bar for the weft thread in the main nozzle 2 and a pressure value of 2 bar for the weft thread in the main nozzle 3.
  • the control and regulating system 5 receives the signal for setting the target pressure of 3 bar; this pressure value is then present in the pressure distributor 6 until the directional control valve 8 clears the way via the pressure line 12 to the main nozzle 1. After closing the directional control valve 8, the control and regulating system 5 receives the signal for setting the target pressure 5 bar via the signal line 4. As already described above for the main nozzle 1, the main nozzle 2 is now subjected to the target pressure of 5 bar. If, as for the main nozzle 3, a comparatively low pressure is required compared to the main nozzle 2, the higher pressure level possibly present in the pressure distributor 6 is at least reduced via the vent connection R until the required target pressure for the main blowing nozzle 3 is reached ,
  • Integrated pressure sensor and regulator as a control system for the main blowing nozzles and optional tandem main blow nozzles were surprisingly like tests at the applicant, even at machine speeds of over 1000 rpm and 2.5 bar or 5 bar relatively short switching times and stable pressure values.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP02008431A 2001-05-17 2002-04-13 Métier à tisser à jet, en particulier un métier à air avec une système d'insertion de trame Expired - Lifetime EP1260622B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10124290A DE10124290C1 (de) 2001-05-17 2001-05-17 Düsenwebmaschine, insbesondere Lüftdüsenwebmaschnine mit einem Schussfadeneintragsystem
DE10124290 2001-05-17

Publications (2)

Publication Number Publication Date
EP1260622A1 true EP1260622A1 (fr) 2002-11-27
EP1260622B1 EP1260622B1 (fr) 2005-05-25

Family

ID=7685300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008431A Expired - Lifetime EP1260622B1 (fr) 2001-05-17 2002-04-13 Métier à tisser à jet, en particulier un métier à air avec une système d'insertion de trame

Country Status (5)

Country Link
US (1) US6748981B2 (fr)
EP (1) EP1260622B1 (fr)
JP (1) JP4071039B2 (fr)
AT (1) ATE296373T1 (fr)
DE (2) DE10124290C1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731645A2 (fr) * 2005-06-09 2006-12-13 Smit S.p.A. - Unipersonale Dispositif d'alimentation et de régulation d'air pour le transport pneumatique de la trame dans un métier à tisser à jet d'air
EP1717360A3 (fr) * 2005-04-28 2008-11-05 Tsudakoma Kogyo Kabushiki Kaisha Dispositif d'insertion de trame
EP2037024A1 (fr) * 2007-09-12 2009-03-18 Sultex AG Procédé destiné au réglage de la pression dans un métier à tisser et métier à tisser dotée d'un système de réglage de pression
EP2319968A1 (fr) 2009-11-09 2011-05-11 Promatech S.p.A. Système de contrôle de l'air pour l'insertion de fil de trame dans une machine à tisser pneumatique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005004064A1 (de) * 2005-01-21 2006-07-27 Picanol N.V. Vorrichtung zum Eintragen von Schussfäden bei einer Luftdüsenwebmaschine
BE1016504A3 (nl) * 2005-04-25 2006-12-05 Picanol Nv Werkwijze voor het inbrengen van een inslagdraad bij een weefmachine.
BE1016900A3 (nl) * 2005-12-20 2007-09-04 Picanol Nv Werkwijze voor het inbrengen van een inslagdraad bij een weefmachine, en weefmachine.
BRPI0708961A2 (pt) * 2006-03-21 2011-06-28 Textilma Ag máquina de tecelagem a jato
CN102534956A (zh) * 2010-12-22 2012-07-04 江苏万工科技集团有限公司 一种织机精密测长装置
CN102286832B (zh) * 2011-07-21 2013-11-20 北京经纬纺机新技术有限公司 喷气织机气压调控系统及其方法
DE102012208158B3 (de) * 2012-05-15 2013-09-05 Lindauer Dornier Gmbh Luftdüsenwebmaschine mit einer Vorrichtung zur Druckluftversorgung
DE102022205936B3 (de) 2022-06-10 2023-04-13 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Verfahren zur regulierung eines versorgungsluftdruckes einer webmaschinenanlage mit mehreren luftdüsenwebmaschinen, system zur regulierung eines versorgungsluftdruckes einer webmaschinenanlage sowie webmaschinenanlage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043003A1 (de) * 1979-11-15 1981-06-11 Rueti Te Strake Bv Verfahren zum transport eines schussfadens mittels eines stroemenden fluidums durch das webfach einer webmaschine, sowie zur anwendung dieses verfahrens eingerichtete webmaschine
JPS5976949A (ja) * 1982-10-21 1984-05-02 津田駒工業株式会社 空気噴射式織機の給気方法およびその装置
EP0279222A1 (fr) * 1987-01-26 1988-08-24 Vilminore Officine Meccaniche S.P.A. Dispositif pour le contrôle automatique de l'insertion de trame dans les métiers à tisser à jet d'air
US6062273A (en) * 1996-02-09 2000-05-16 Picanol N.V. Device for the supply of compressed air to a main jet nozzle of an air shuttle loom

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7709425A (nl) * 1977-08-25 1979-02-27 Rueti Te Strake Bv Rietbalkeenheid.
CH647017A5 (de) * 1980-10-22 1984-12-28 Rueti Ag Maschf Luftversorgungssystem fuer eine pneumatische webmaschine.
DE3300934A1 (de) * 1982-01-18 1983-07-21 Rueti Te Strake Bv Verfahren zum eintragen verschiedener schussfaeden von unterschiedlicher garnbeschaffenheit in das webfach einer duesenwebmaschine und duesenwebmaschine zum durchfuehren des verfahrens
FR2556375B1 (fr) * 1983-12-13 1986-06-20 Saurer Diederichs Sa Dispositif d'alimentation en air comprime pour machine a tisser avec insertion pneumatique d'au moins deux fils de trame
BE899671A (nl) * 1984-05-16 1984-11-16 Picanol Nv Regelbare sturing van de inslagdraad van een weefgetouw.
DD228671A1 (de) * 1984-10-01 1985-10-16 Zeiss Jena Veb Carl Einrichtung zur darstellung von rotationssymmetrischen koerpern
EP0415875B1 (fr) * 1989-09-01 1994-05-18 Sulzer RàœTi Ag Procédé pour ajuster l'extension de fil de trame dans la foule et la consommation d'air des tuyères auxiliaires d'un métier à air
BE1003686A3 (nl) * 1990-02-15 1992-05-19 Picanol Nv Inrichting voor het toevoeren van inslagdraad bij luchtweefmachines.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043003A1 (de) * 1979-11-15 1981-06-11 Rueti Te Strake Bv Verfahren zum transport eines schussfadens mittels eines stroemenden fluidums durch das webfach einer webmaschine, sowie zur anwendung dieses verfahrens eingerichtete webmaschine
JPS5976949A (ja) * 1982-10-21 1984-05-02 津田駒工業株式会社 空気噴射式織機の給気方法およびその装置
EP0279222A1 (fr) * 1987-01-26 1988-08-24 Vilminore Officine Meccaniche S.P.A. Dispositif pour le contrôle automatique de l'insertion de trame dans les métiers à tisser à jet d'air
US6062273A (en) * 1996-02-09 2000-05-16 Picanol N.V. Device for the supply of compressed air to a main jet nozzle of an air shuttle loom

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1717360A3 (fr) * 2005-04-28 2008-11-05 Tsudakoma Kogyo Kabushiki Kaisha Dispositif d'insertion de trame
EP1731645A2 (fr) * 2005-06-09 2006-12-13 Smit S.p.A. - Unipersonale Dispositif d'alimentation et de régulation d'air pour le transport pneumatique de la trame dans un métier à tisser à jet d'air
EP1731645A3 (fr) * 2005-06-09 2009-01-07 Smit S.p.A. - Unipersonale Dispositif d'alimentation et de régulation d'air pour le transport pneumatique de la trame dans un métier à tisser à jet d'air
EP2037024A1 (fr) * 2007-09-12 2009-03-18 Sultex AG Procédé destiné au réglage de la pression dans un métier à tisser et métier à tisser dotée d'un système de réglage de pression
EP2319968A1 (fr) 2009-11-09 2011-05-11 Promatech S.p.A. Système de contrôle de l'air pour l'insertion de fil de trame dans une machine à tisser pneumatique

Also Published As

Publication number Publication date
US6748981B2 (en) 2004-06-15
ATE296373T1 (de) 2005-06-15
EP1260622B1 (fr) 2005-05-25
JP4071039B2 (ja) 2008-04-02
DE10124290C1 (de) 2003-01-23
US20020170615A1 (en) 2002-11-21
DE50203175D1 (de) 2005-06-30
JP2003003350A (ja) 2003-01-08

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