DE10256876A1 - To hold a weft yarn at the mixing tube before insertion through the shed between the warps, in an air jet loom, blades clamp the yarn between them with a spring reassertion for release - Google Patents
To hold a weft yarn at the mixing tube before insertion through the shed between the warps, in an air jet loom, blades clamp the yarn between them with a spring reassertion for release Download PDFInfo
- Publication number
- DE10256876A1 DE10256876A1 DE2002156876 DE10256876A DE10256876A1 DE 10256876 A1 DE10256876 A1 DE 10256876A1 DE 2002156876 DE2002156876 DE 2002156876 DE 10256876 A DE10256876 A DE 10256876A DE 10256876 A1 DE10256876 A1 DE 10256876A1
- Authority
- DE
- Germany
- Prior art keywords
- mixing tube
- jet loom
- parts
- lamella
- weft thread
- 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.)
- Withdrawn
Links
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
- D03D47/3006—Construction of the nozzles
- D03D47/3013—Main nozzles
-
- 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
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Halten und Freigeben eines Schussfadens im Bereich der Hauptdüse einer Düsenwebmaschine, insbesondere Luftdüsenwebmaschine mit den Merkmalen nach dem Oberbegriff des Patentanspruchs 1 und eine Luftdüsenwebmaschine zur Durchführung des Verfahrens mit den Merkmalen des Oberbegriffs nach Patentanspruch 4.The invention relates to a method for holding and releasing a weft thread in the area of the main nozzle jet loom, especially air jet loom with the features according to the preamble of claim 1 and a air jet loom to carry out of the method with the features of the preamble according to claim 4th
Dem Verfahren zum Halten des Schussfadens im Bereich der Hauptdüse einer Düsenwebmaschine liegt nach der DE-Patentanmeldung 102 44 694.6 der Gedanke zugrunde, auf die üblicherweise im Mischrohr der Hauptdüse zum Halten des Schussfadens eingesetzte sogenannte Halteluft zu verzichten. Statt dessen soll eine die Struktur des Schussfadens nicht beeinflussende Klemme nach dem Injektor der Hauptdüse im Mischrohr eingeordnet sein, die den Schussfaden im Bereich der Mittenlängsachse des Mischrohres hält oder klemmt.The method of holding the weft in the area of the main nozzle a jet loom is based on the DE patent application 102 44 694.6 the idea to the usually in Main nozzle mixing tube so-called holding air used to hold the weft thread dispense. Instead, the structure of the weft is said to be Non-influencing clamp after the injector of the main nozzle in the mixing tube be classified, which the weft in the region of the central longitudinal axis of the Mixing tube holds or stuck.
Als Klemme ist gemäß der vorgenannten DE-Patentanmeldung ein Zentralverschluss in Form eines pneumatischen oder eines hydraulischen Muskels vorgesehen, dessen Außenwand einem Druckmedium, z.B. Luft, mit einem Druck größer als der Umgebungsdruck ausgesetzt ist.As a clamp is according to the aforementioned DE patent application a central lock in the form of a pneumatic or a hydraulic Muscle provided the outer wall a printing medium, e.g. Air, at a pressure greater than ambient pressure is exposed.
Zum Zwecke der Druckbeaufschlagung ist der Muskel zwischen zwei das Mischrohr der Hauptdüse ausbildenden Mischrohrabschnitten angeordnet.For the purpose of pressurization is the muscle between two forming the mixing tube of the main nozzle Mixing tube sections arranged.
Der Muskel verbindet die zwei Mischrohrabschnitte druckdicht miteinander.The muscle connects the two mixing tube sections pressure-tight with each other.
Des weiteren umgibt eine in einem Gehäuse ausgebildete Kammer den Muskel druckdicht. Die Kammer ist über ein steuerbares Ventil mit einer einen Überdruck in der Kammer erzeugenden Druckquelle verbunden. Bei Druckbeaufschlagung der Kammer verengt sich der Querschnitt des Muskels derart, dass der den Muskel durchlaufende Schussfaden geklemmt wird.Furthermore, one surrounds in one Trained housing Chamber the muscle pressure tight. The chamber is controlled by a valve with an overpressure connected in the chamber generating pressure source. When pressurized the cross section of the muscle narrows in such a way that the weft thread passing through the muscle is clamped.
Funktionserprobungen der erfindungsgemäßen Klemmeinrichtung haben gezeigt, dass bei gesteuerter Druckentlastung des Muskels und bei gleichzeitiger Beaufschlagung des Schussfadens mit Eintragsluft zum erneuten Eintrag eines weiteren Schussfadens in das Webfach der Muskel nicht hinreichend schnell entspannt, obwohl die aufgrund des Schusseintrages durch den Muskel strömende Eintragsluft der Hauptdüse das Entspannen des Muskels unterstützt.Function tests of the clamping device according to the invention have shown that with controlled pressure relief of the muscle and with simultaneous exposure to the weft thread with entry air to re-enter another weft in the shed the muscle does not relax sufficiently quickly, although that is due to of the weft entry through the muscle flowing entry air of the main nozzle the relaxation of the muscle.
Die sich also träge vollziehende Entspannung des Muskels führt dazu, dass der Schussfaden die Innenwand des Muskels kontaktiert und daran Verschleissspuren hinterlässt. Die Verschleissspuren beeinträchtigen die Funktion der Klemmeinrichtung und deren Lebensdauer. Dies zu vermeiden ist Aufgabe der Erfindung.So the sluggish relaxation taking place of the muscle leads causing the weft to contact the inside wall of the muscle and leaves traces of wear on it. The wear marks impair the function of the clamping device and its service life. This too avoid is the object of the invention.
Erfindungsgemäß wird die Aufgabe durch die Merkmale der unabhängigen Patentansprüche gelöst.According to the invention, the object is achieved by Characteristics of the independent Claims resolved.
Danach ist nach dem erfindungsgemäßen Verfahren gemäß Anspruch 1 vorgesehen, dass das Klemmen und Freigeben des Schussfadens durch zwei sich federnd gegeneinander legende freie Enden von zwei lamellenartigen Teilen erfolgt und wovon wenigstens ein lamellenartiges Teil in seiner Lage durch steuerbare Mittel gegenüber dem anderen lamellenartigen Teil verstellbar ist. Dabei kann in Ausgestaltung der Erfindung die Verstellbarkeit durch die Kraft wenigstens eines mit einem lamellenartigen Teil verbundenen piezoelektrischen Mittels erreicht werden.Thereafter, the process according to the invention according to claim 1 provided that the clamping and releasing of the weft thread by two free ends of two lamella-like resiliently lying against each other Parts and of which at least one slat-like part in its position by controllable means towards the other lamellar Part is adjustable. In an embodiment of the invention the adjustability by the force of at least one with a slat-like part connected piezoelectric means can be achieved.
Ferner wird die Verstellbarkeit durch die Kraft wenigstens eines auf ein lamellenartiges Teil wirkenden elektromagnetischen Mittels erreicht.The adjustability is further enhanced by the force of at least one acting on a lamellar part electromagnetic means reached.
Nach dem Patentanspruch 4 besteht die Einrichtung zum Klemmen und Freigeben des Schussfadens einer Düsenwebmaschine darin, dass zwei sich federnd gegeneinander legende und den Schussfaden zwischen sich führende lamellenartige Teile mit steuerbaren Mitteln direkt oder indirekt in Wirkverbindung stehen, wobei die steuerbaren Mittel die Lage wenigstens eines der beiden lamellenartigen Teile gegenüber dem anderen lamellenartigen Teil verstellen.According to claim 4 there is the device for clamping and releasing the weft thread one jet loom in that two resiliently lying against each other and the weft leading between them Slat-like parts with controllable means directly or indirectly are in operative connection, the controllable means at least the location one of the two lamellar parts opposite the other lamellar Adjust part.
Die steuerbaren Mittel können z.B. piezoelektrische Mittel sein oder wenigstens ein lamellenartiges Teil kann als Piezoelement ausgebildet sein. Ferner kann wenigstens ein elektromagnetisches Mittel einem lamellenartigen Teil zugeordnet sein, wobei die Kraft des elektromagnetischen Mittels die Federrückstellkraft wenigstens eines lamellenartigen Teils überwindet.The controllable means can e.g. be piezoelectric means or at least a lamellar Part can be designed as a piezo element. Furthermore, at least an electromagnetic means is assigned to a lamellar part be, the force of the electromagnetic means the spring return force overcomes at least one slat-like part.
Wenn das Mischrohr aus wenigstens zwei Mischrohrabschnitten besteht, sind in weiterer Ausgestaltung der Erfindung die lamellenartigen Teile zwischen zwei Mischrohrabschnitten angeordnet und zwar derart, dass jedes lamellenartige Teil in Eintragsrichtung des Schussfadens ein freies Ende aufweist. Mit dem anderen Ende sind die lamellenartigen Teile am Ausgang des Mischrohrabschnittes diametral gegenüberliegend angeordnet.If the mixing tube at least there are two mixing tube sections are in a further embodiment the invention the lamellar parts between two mixing tube sections arranged in such a way that each lamellar part in the entry direction of the weft has a free end. With the other end are the lamellar parts at the outlet of the mixing tube section diametrically opposite arranged.
Die lamellenartigen Teile sind des weiteren von einer Kammer eines die Mischrohrabschnitte axial miteinander verbindenden Gehäuses umschlossen. In vorteilhafter Ausbildung der Erfindung bestehen die lamellenartigen Teile aus verschleissfestem metallischem Werkstoff, der bei Ausbildung der lamellenartigen Teile als Piezoelement hinreichend biegeelastisch ist. Wenn die lamellenartigen Teile auf elektromagnetische Mittel ansprechen sollen, ist ein geeigneter biegeelastischer magnetisierbarer Werkstoff vorzusehen.The lamellar parts are the further from one chamber of the mixing tube sections axially with one another connecting housing enclosed. In an advantageous embodiment of the invention the lamellar parts made of wear-resistant metallic material, sufficiently flexible when the lamella-like parts are designed as piezo elements is. If the lamellar parts on electromagnetic means should respond, is a suitable flexurally elastic magnetizable To provide material.
Die Erfindung wird nachfolgend an einem Ausführungsbeispiel näher erläutert.The invention will follow an embodiment explained in more detail.
In den Zeichnungen zeigen:The drawings show:
Die nicht näher dargestellte Hauptdüse der Luftdüsenwebmaschine
umfasst neben anderen Bauteilen ein sogenanntes Mischrohr
Wie in der DE-Patentanmeldung 102
44 694.6 ausführlich
dargestellt, wird in Luftdüsenwebmaschinen
der einzutragende Schussfaden
In der vorstehend erwähnten Patentanmeldung ist ferner auf die mit der Halteluft einhergehende nachteilige Modifikation des Fadenabschnitts eingegangen worden.In the aforementioned patent application is also on the disadvantageous modification associated with the holding air of the thread section.
Gemäß der vorgenannten Patentanmeldung wird
die Modifikation des Schussfadens
Zum Durchführen einer solchen Maßnahme ist
vorgesehen, eine Klemmeinrichtung
Als besonders vorteilhafte Lösung erweist sich
eine Klemme in Form von sich federnd gegeneinander legenden freien
Enden zweier lamellenartiger Teile
Die
Die Klemmeinrichtung besitzt zwei
diametral am Mischrohrabschnitt
Die freien Enden der Klemmteile
In den
Gemäß der
In den
Bei Anordnung der Klemmeinrichtung
- 11
- Klemmeinrichtungclamper
- 22
- Schussfadenweft
- 33
- Mischrohrmixing tube
- 44
- Klemmteilclamping part
- 55
- MischrohrabschnittMixing tube section
- 66
- MischrohrabschnittMixing tube section
- 77
- Richtungspfeilarrow
- 88th
- steuerbare Mittelcontrollable medium
- 99
- Kammerchamber
- 1010
- Gehäusecasing
- 1111
- Leitungmanagement
- 1212
- Leitungmanagement
Claims (12)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002156876 DE10256876A1 (en) | 2002-12-04 | 2002-12-04 | To hold a weft yarn at the mixing tube before insertion through the shed between the warps, in an air jet loom, blades clamp the yarn between them with a spring reassertion for release |
DE50306806T DE50306806D1 (en) | 2002-09-18 | 2003-08-28 | METHOD FOR HOLDING A SHOOT; NOZZLE WELDING MACHINE WITH SHIFTER TERMINATION DEVICE, ESPECIALLY FOR CARRYING OUT THE METHOD AND CARTRIDGE AS A REPLACEABLE CONSTRUCTION UNIT FOR FILLING INTO THE MIXING TUBE OF A NOZZLE WEAVING MACHINE |
PCT/DE2003/002859 WO2004029347A1 (en) | 2002-09-18 | 2003-08-28 | Method for holding a weft yarn, jet weaving machine comprising a clamping device for the weft yarn, particularly serving to carry out this method, and cartridge provided in the form of an exchangeable modular unit for placing inside the mixing tube of a jet weaving machine |
AT03750289T ATE356900T1 (en) | 2002-09-18 | 2003-08-28 | METHOD FOR HOLDING A WEFT THREAD; JET WEAVING MACHINE WITH CLAMPING DEVICE FOR THE WEFT THREAD, PARTICULARLY FOR CARRYING OUT THE PROCESS AND CARTRIDGE AS A REPLACEABLE UNIT FOR INSERTION INTO THE MIXING TUBE OF A JET WEAVING MACHINE |
AU2003269684A AU2003269684A1 (en) | 2002-09-18 | 2003-08-28 | Method for holding a weft yarn, jet weaving machine comprising a clamping device for the weft yarn, particularly serving to carry out this method, and cartridge provided in the form of an exchangeable modular unit for placing inside the mixing tube of a jet weaving machine |
JP2005509655A JP3983787B2 (en) | 2002-09-18 | 2003-08-28 | Weft holding method, in particular a jet loom with a weft tightening device for carrying out the method and a cartridge as a replaceable part for installation in a jet loom mixing tube |
DE10393831T DE10393831D2 (en) | 2002-09-18 | 2003-08-28 | Method for holding a bobbin thread; Jet loom with clamping device for the weft thread, in particular for carrying out the method, and cartridge as a replaceable unit for ice-in the mixing tube of a jet loom |
EP03750289A EP1552048B1 (en) | 2002-09-18 | 2003-08-28 | Method for holding a weft yarn, jet weaving machine comprising a clamping device for the weft yarn, particularly serving to carry out this method, and cartridge provided in the form of an exchangeable modular unit for placing inside the mixing tube of a jet weaving machine |
RU2005111255/12A RU2291236C2 (en) | 2002-09-18 | 2003-08-28 | Method for holding of weft thread, shuttleless weaving machine with clamping device for weft thread, in particular for effectuating the method, and cartridge as replaceable unit for utilization in mixing pipe of shuttleless weaving machine |
BR0306438-7A BR0306438A (en) | 2002-09-18 | 2003-08-28 | Process for retaining a weft yarn; spinneret with weft thread clamping assembly, especially for carrying out the process, and cartridge as interchangeable built-in unit for the integration in the mixer tube of a spinneret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002156876 DE10256876A1 (en) | 2002-12-04 | 2002-12-04 | To hold a weft yarn at the mixing tube before insertion through the shed between the warps, in an air jet loom, blades clamp the yarn between them with a spring reassertion for release |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10256876A1 true DE10256876A1 (en) | 2004-07-22 |
Family
ID=32518840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002156876 Withdrawn DE10256876A1 (en) | 2002-09-18 | 2002-12-04 | To hold a weft yarn at the mixing tube before insertion through the shed between the warps, in an air jet loom, blades clamp the yarn between them with a spring reassertion for release |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10256876A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101023208B (en) * | 2004-07-30 | 2011-05-25 | 林道尔·多尼尔有限责任公司 | Jet-weaving machine, particularly an air jet-weaving machine, with a clamping device in the mixing tube |
CN103348045A (en) * | 2011-02-01 | 2013-10-09 | 株式会社丰田自动织机 | Weft tensioning device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3200638A1 (en) * | 1981-01-13 | 1982-08-12 | Rueti Te Strake Bv | PROTECTIVE WEAVING MACHINE |
DE4433876C2 (en) * | 1993-09-29 | 1996-05-23 | Nuovo Pignone Spa | Weft brake for a defenseless weaving machine |
EP1037288A2 (en) * | 1998-12-11 | 2000-09-20 | NUOVA VAMATEX S.p.A. | Piezoelectric effect actuator in particular for use in textile machines |
DE10244694A1 (en) * | 2002-09-18 | 2004-04-15 | Lindauer Dornier Gmbh | Weft clamping system, at the multi-color weft mixing tube for an air jet loom, has a flexible tube section which can be compressed and released by an external overpressure/underpressure |
-
2002
- 2002-12-04 DE DE2002156876 patent/DE10256876A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3200638A1 (en) * | 1981-01-13 | 1982-08-12 | Rueti Te Strake Bv | PROTECTIVE WEAVING MACHINE |
DE4433876C2 (en) * | 1993-09-29 | 1996-05-23 | Nuovo Pignone Spa | Weft brake for a defenseless weaving machine |
EP1037288A2 (en) * | 1998-12-11 | 2000-09-20 | NUOVA VAMATEX S.p.A. | Piezoelectric effect actuator in particular for use in textile machines |
DE10244694A1 (en) * | 2002-09-18 | 2004-04-15 | Lindauer Dornier Gmbh | Weft clamping system, at the multi-color weft mixing tube for an air jet loom, has a flexible tube section which can be compressed and released by an external overpressure/underpressure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101023208B (en) * | 2004-07-30 | 2011-05-25 | 林道尔·多尼尔有限责任公司 | Jet-weaving machine, particularly an air jet-weaving machine, with a clamping device in the mixing tube |
CN103348045A (en) * | 2011-02-01 | 2013-10-09 | 株式会社丰田自动织机 | Weft tensioning device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8143 | Withdrawn due to claiming internal priority |