EP1508633A1 - Düsenwebmaschine - Google Patents
Düsenwebmaschine Download PDFInfo
- Publication number
- EP1508633A1 EP1508633A1 EP03405682A EP03405682A EP1508633A1 EP 1508633 A1 EP1508633 A1 EP 1508633A1 EP 03405682 A EP03405682 A EP 03405682A EP 03405682 A EP03405682 A EP 03405682A EP 1508633 A1 EP1508633 A1 EP 1508633A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weft
- thread
- nozzle
- jet loom
- catching
- 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
Links
- 238000003780 insertion Methods 0.000 claims abstract description 40
- 230000037431 insertion Effects 0.000 claims abstract description 40
- 238000009941 weaving Methods 0.000 claims abstract description 12
- 238000012806 monitoring device Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000010304 firing Methods 0.000 description 15
- 238000004804 winding Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- NIOPZPCMRQGZCE-WEVVVXLNSA-N 2,4-dinitro-6-(octan-2-yl)phenyl (E)-but-2-enoate Chemical compound CCCCCCC(C)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1OC(=O)\C=C\C NIOPZPCMRQGZCE-WEVVVXLNSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 238000013024 troubleshooting Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
Images
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
- D03D47/3066—Control or handling of the weft at or after arrival
- D03D47/308—Stretching or holding the weft
-
- 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
- D03D47/3066—Control or handling of the weft at or after arrival
- D03D47/3073—Detection means therefor
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/18—Automatic stop motions
- D03D51/34—Weft stop motions
Definitions
- the invention relates to a jet loom with a catcher side arranged monitoring device according to the preamble of independent claim.
- a defined and specifiable length of thread which of course depends on the weaving width of withdrawn from the stationary winding drum of a yarn feeding device and fed to a main nozzle.
- the main nozzle is fed with compressed air and accelerates the weft thread into the opened shed.
- auxiliary or relay nozzles are usually several auxiliary or relay nozzles provided, which are also fed with compressed air and the Thread the weft through the shed onto the catcher side.
- To successful weft insertion is the front end of the weft z. B. captured and held by a stretching or catching nozzle and the weft is struck by the sley to the tissue. Then the Tray change, eliminating the weft thread over the entire weaving width is involved.
- shotguards Sensors are provided, which are each designed so that they Weft or the weft tip can detect.
- the first Shotguard is usually directly at the fang facultyen end of Weft insertion path arranged. He detects if the weft tip is in the specified time window - based on the weaving cycle - arrives or Not. But only with this one sensor can not be, for example check whether the inserted weft thread is too long (long shot). Therefore, a second weft detector is provided, which is usually so is arranged that him the weft tip at a correct Weft entry not reached. With a correct weft insertion moves the weft tip to a position somewhere between the Both shotguards, so that the second sensor is no signal.
- the task loosening jet loom is characterized by the features of independent claim characterized.
- a jet loom in which a weft thread by means of a fluid from a firing side to a Fangseite is registerable, with a batten, along which a Weft insertion path extending, which sets a firing direction, as well as with a arranged on the catch side monitoring device, which two sensor devices for detecting the weft thread or parts the weft yarn, wherein exactly one of the sensor devices fixed mounted on the batten.
- such a monitoring device has the advantage that the not mounted on the batten sensor device in further back described manner for monitoring, handling and, where appropriate can be used for the removal of faulty weft threads, for example in the context of automatic procedures for Shot troubleshooting. In known devices this is usually an additional, so third sensor device needed. On such a can be omitted in the inventive monitoring device, which is advantageous in terms of both equipment and cost.
- a fixed on the sley is arranged Catching device intended for holding or stretching the weft thread, which comprises a catching nozzle and a catching pipe relative to each other are arranged such that by applying the catching nozzle with the Fluid, the tip of the weft thread is deflected into the catch tube.
- the collecting nozzle is designed as a pressure nozzle and so is arranged that the jet emitted by the collecting nozzle in the same direction as the catch tube. This means that the Outlet direction of the catching nozzle with the input area of the catching pipe flees.
- Another advantageous measure is a suction device for the weft or for parts thereof, which are fixed is arranged on the catching side with respect to the machine frame, and which comprises the other of the sensor devices as a pipe monitor.
- the second sensor device to provide in or on the suction device has the advantage that this sensor device both correct Weft insertion as well as in the context of weft fixes of Thread residues is passed and thus a cleaning effect is achieved.
- the suction device an inlet funnel and an adjoining suction tube comprising, wherein the inlet funnel facing the catcher, the Pipe monitor is arranged in the region of the suction tube.
- the inlet funnel can then be configured with respect to its lateral extent so that it is the total amplitude of the oscillating motion of the output the weft insertion path or the catching device covers.
- the disposal nozzle so on or in the suction tube to arrange that the emitted from the disposal nozzle jet of the fluid runs obliquely to the axis of the suction tube.
- This measure will the yarn to be disposed of deflected so that he better his charge to the Pipe monitor issues.
- the Pipe keeper includes an optical sensor, because the cleaning effect of the thread or thread residue is amplified on the optical sensor.
- the disposal nozzle and / or the inlet is asymmetrical with respect to the longitudinal axis of the Suction tube arranged. Due to the asymmetric alignment of the Disposal nozzle and / or the inlet receives the thread or the Thread residue a twist and moves rotating along the inner wall of the Suction tube. This can be strengthened on the one hand, the cleaning effect and on the other hand, in the case of an electrostatic tube guard, the Charge delivery from the thread to the pipe monitor can be improved.
- the pipe monitor includes a electrostatic sensor and the disposal nozzle is arranged such that the jet of fluid emitted by the disposal nozzle is static Increased charge of the thread and distracted the thread so that he his Charge to the electrostatic sensor.
- the pipe monitor comprises a optical sensor
- the inlet to the suction device is such arranged that during the normal operation of the Catching device caught thread residues R the optical sensor constantly clean.
- Fig. 1 shows a schematic representation of essential parts of a Embodiment of a novel jet loom, especially an air jet loom, which in total with the Reference numeral 1 is designated.
- the air jet machine such as drive, warp beam, fabric take-off, electronic Control and drive devices, etc. are for better reasons Overview not shown.
- For the weft insertion is a predetermined thread length of the Winding drum 6 subtracted until a yarn stopper 61 a further stripping prevented.
- the weft S is fed by a compressed air Main nozzle 7 accelerates. From the main nozzle 7, the weft thread S by the shed formed by warp K and open shed along the Weft insertion 4 entered. Along the weft insertion path 4 are usually even more auxiliary or relay nozzles 10 arranged, which support the entry of the weft S through the shed and lead the weft S. After the weft insertion hits a Web loading 9 the weft S to the fabric G on.
- the firing monitor 21 does not detect arrival of a thread tip.
- the Weaving machine is braked. Although there is usually still a stop, but the cutters 11, 11 'are deactivated so that no Cutting, especially shot side, of the faulty registered Weft S is done.
- the shed opens. Now it is from the Yarn stopper 61 on the winding drum 6 a predetermined thread length released, for example, one or two windings. This thread length is blown as a loop D or double loop through the shed.
- the Double loop D is shown in Fig. 2 by dashed lines.
- Through a accordingly activation of the relay nozzles 10 is in the shed Wanderfeld generated, so that the loop wanders through the shed and thereby causing a detachment of the damaged defective weft thread.
- FIGS. 5 and 6 preferred variants for the suction device 30 explained. It will only to the differences from the previously described embodiment received. Otherwise, the explanations in FIGS. 1-4 apply illustrated embodiments in an analogous manner.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
Description
- Fig.1:
- Wesentliche Teile eines Ausführungsbeispiels einer erfindungsgemässen Düsenwebmaschine,
- Fig. 2:
- eine Variante für die Überwachungsvorrichtung,
- Fig. 3:
- eine Darstellung zur Illustration des Entfernens eines Schuswsfadens,
- Fig. 4:
- einen Längsschnitt durch ein Absaugrohr mit einem Rorwächter, und
- Fig.5-6
- jeweils einen Querschnitt durch das Absaugrohr für Varianten der Absaugeinrichtung.
Claims (13)
- Düsenwebmaschine, bei welcher ein Schussfaden (S) mittels eines Fluids von einer Schussseite (2) zu einer Fangseite (3) eintragbar ist, mit einer Weblade (9), entlang der sich eine Schusseintragsbahn (4) erstreckt, welche eine Schussrichtung (A) festlegt, sowie mit einer auf der Fangseite (3) angeordneten Überwachungsvorrichtung (20), welche zwei Sensoreinrichtungen (21,22) zum Detektieren des Schussfadens (S) bzw. Teilen des Schussfadens umfasst, dadurch gekennzeichnet dass genau eine der Sensoreinrichtungen (21) fest auf der Weblade (9) montiert ist.
- Düsenwebmaschine nach Anspruch 1 mit einer fest auf der Weblade (9) angeordneten Fangeinrichtung (40) zum Halten bzw. Strecken des Schussfadens, welche eine Fangdüse (43) und ein Fangrohr (42) umfasst, die relativ zueinander derart angeordnet sind, dass durch Beaufschlagung der Fangdüse (43) mit dem Fluid die Spitze des Schussfadens in das Fangrohr (42) umlenkbar ist.
- Düsenwebmaschine nach Anspruch 2, wobei das Fangrohr (42) unter einem spitzen Winkel (α), vorzugsweise einem Winkel von 30° bis 70°, in die Schussrichtung (A) einmündet.
- Düsenwebmaschine nach einem der Ansprüche 2 oder 3 wobei die Fangdüse (43) als Druckdüse ausgestaltet und so angeordnet ist, dass sich der von der Fangdüse (43) emittierte Strahl in die gleiche Richtung erstreckt wie das Fangrohr (42).
- Düsenwebmaschine nach einem der vorangehenden Ansprüche, bei welcher eine Absaugeinrichtung (30) für den Schussfaden oder für Teile davon vorgesehen ist, welche ortsfest bezüglich des Maschinenrahmens auf der Fangseite (3) angeordnet ist, und welche die andere der Sensoreinrichtungen (22) als Rohrwächter umfasst.
- Düsenwebmaschine nach Anspruch 5, bei welcher die Absaugeinrichtung (30) einen Einlasstrichter (31) und ein sich daran anschliessendes Absaugrohr (32) umfasst, wobei der Einlasstrichter (31) der Fangeinrichtung (40) zugewandt ist, und bei welcher der Rohrwächter (22) im Bereich des Absaugrohrs (32) angeordnet ist.
- Düsenwebmaschine nach Anspruch 5 oder 6 mit einer flexiblen Verbindungsleitung (36),welche auf der einen Seite mit dem Fangrohr (42) verbunden ist und andererseits mit einem Einlass (35), welcher in die Absaugeinrichtung (30), vorzugsweise in das Absaugrohr(32), einmündet.
- Düsenwebmaschine nach einem der Ansprüche 4-7, bei welcher die Absaugeinrichtung (30) eine mit dem Fluid beaufschlagbare Entsorgungsdüse (34) umfasst, die in Schussrichtung (A) gesehen unmittelbar vor dem Rohrwächter (22) angeordnet ist.
- Düsenwebmaschine nach Anspruch 8, bei welcher die Entsorgungsdüse (34) derart am oder im Absaugrohr (32) angeordnet ist, dass der von der Entsorgungsdüse (34) emittierte Strahl des Fluids schräg zur Achse des Absaugrohrs (32) verläuft.
- Düsenwebmaschine nach Anspruch 8 oder 9, bei welcher die Entsorgungsdüse (34) und/oder der Einlass (35) asymmetrisch bezüglich der Längsachse C des Absaugrohrs angeordnet ist.
- Düsenwebmaschine nach einem der Ansprüche 8 bis 10, bei welcher der Rohrwächter (22) einen elektrostatischen Sensor umfasst, und bei welcher die Entsorgungsdüse (34) derart angeordnet ist, dass der von der Entsorgungsdüse (34) emittierte Strahl des Fluids die statische Aufladung des Fadens erhöht und den Faden so ablenkt, dass er seine Ladung an den elektrostatischen Sensor abgibt.
- Düsenwebmaschine nach einem der Ansprüche 8 bis 11, bei welcher der Rohrwächter (22) einen optischen Sensor umfasst, und bei welcher der Einlass (35) in die Absaugeinrichtung (30) derart angeordnet ist, dass während des normalen Betriebs die von der Fangeinrichtung (40) eingefangenen Fadenreste R den optischen Sensor ständig reinigen.
- Düsenwebmaschine nach einem der vorangehenden Ansprüche, bei welcher Mittel (37) vorgesehen sind, um den Abstand zwischen der Sensoreinrichtung (21) auf der Weblade und dem Rohrwächter (22) zu verändern.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405682A EP1508633B1 (de) | 2003-08-15 | 2003-09-17 | Düsenwebmaschine |
US10/880,947 US7195039B2 (en) | 2003-08-15 | 2004-06-29 | Jet weaving machine |
JP2004212388A JP2005060919A (ja) | 2003-08-15 | 2004-07-21 | ジェット織機 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405598 | 2003-08-15 | ||
EP03405598 | 2003-08-15 | ||
EP03405682A EP1508633B1 (de) | 2003-08-15 | 2003-09-17 | Düsenwebmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1508633A1 true EP1508633A1 (de) | 2005-02-23 |
EP1508633B1 EP1508633B1 (de) | 2008-10-29 |
Family
ID=34066525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03405682A Expired - Lifetime EP1508633B1 (de) | 2003-08-15 | 2003-09-17 | Düsenwebmaschine |
Country Status (3)
Country | Link |
---|---|
US (1) | US7195039B2 (de) |
EP (1) | EP1508633B1 (de) |
JP (1) | JP2005060919A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1927691A1 (de) * | 2006-11-29 | 2008-06-04 | Sultex AG | Fadenfang -Vorrichtung und -Verfahren für eine Greiferwebmaschine |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7543610B2 (en) * | 2006-06-16 | 2009-06-09 | Sultex Ag | Thread clamp for a rapier head |
EP1508633B1 (de) * | 2003-08-15 | 2008-10-29 | Sultex AG | Düsenwebmaschine |
DE102005022955A1 (de) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gmbh | Verfahren und Vorrichtung zum Halten eines nach einem Startvorgang einer Webmaschine, insbesondere Luftdüsenwebmaschine eingetragenen Schussfadens |
US20080271807A1 (en) * | 2006-09-07 | 2008-11-06 | Sultex Ag | Method and a stretching device for the holding of a weft thread |
DE502007002850D1 (de) * | 2006-11-29 | 2010-04-01 | Itema Switzerland Ltd | Fadenfang -Vorrichtung und -Verfahren für eine Greiferwebmaschine |
EP2050847B1 (de) * | 2007-10-19 | 2012-08-29 | Siemens Aktiengesellschaft | Verfahren zum Transport eines Schussfadens durch das Webfach einer Webmaschine |
CN104264340B (zh) * | 2014-10-08 | 2015-12-02 | 青岛天一集团红旗纺织机械有限公司 | 一种喷气织机机械牵伸装置 |
JP6119715B2 (ja) * | 2014-10-27 | 2017-04-26 | 株式会社豊田自動織機 | エアジェット織機における緯糸張力付与装置 |
JP6384453B2 (ja) * | 2015-11-03 | 2018-09-05 | 株式会社豊田自動織機 | エアジェット織機における緯糸検出方法 |
WO2019000228A1 (zh) * | 2017-06-27 | 2019-01-03 | 盐城市华瑞纺织有限责任公司 | 能自动清洁探纬器的喷气织机 |
CN108977997B (zh) * | 2018-08-24 | 2020-01-03 | 浙江星耀纺织机械有限公司 | 喷气织机用固定主喷嘴 |
CN108893842B (zh) * | 2018-09-17 | 2023-06-16 | 太平洋纺织机械(常熟)有限公司 | 剑杆织机的气动折入边装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0309013A1 (de) | 1987-08-26 | 1989-03-29 | Picanol N.V. | Verfahren zum Entfernen eines falschen Schussfadens aus dem Webfach einer Webmaschine und eine dieses Verfahrens anwendende Webmaschine |
EP0492745A1 (de) * | 1990-12-28 | 1992-07-01 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Vorrichtung zum Behandeln von Schussfaden in eine Düsenwebmaschine |
EP0493847A1 (de) | 1991-01-04 | 1992-07-08 | Picanol N.V. | Vorrichtung zum Strecken eines Schussfadens in einer Webmaschine |
US5606998A (en) * | 1994-12-06 | 1997-03-04 | Lindauer Dornier Gesellschaft Mbh | Weft detecting and stretching apparatus in a jet weaving loom |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19545839C1 (de) * | 1995-12-08 | 1996-08-29 | Dornier Gmbh Lindauer | Verfahren und Webmaschine zur Handhabung eines Schußfadens |
DE19802254C1 (de) * | 1998-01-22 | 1999-08-05 | Dornier Gmbh Lindauer | Schußfadenstreck- und -detektiereinrichtung für Düsenwebmaschinen, insbesondere mit pneumatischem Schußeintrag |
DE10115172C1 (de) * | 2001-06-08 | 2002-12-19 | Dornier Gmbh Lindauer | Verfahren zum Überwachen des Schussfadeneintrags in Luftdüsenwebmaschinen und Vorrichtung zum Durchführen des Verfahrens |
EP1508633B1 (de) * | 2003-08-15 | 2008-10-29 | Sultex AG | Düsenwebmaschine |
-
2003
- 2003-09-17 EP EP03405682A patent/EP1508633B1/de not_active Expired - Lifetime
-
2004
- 2004-06-29 US US10/880,947 patent/US7195039B2/en not_active Expired - Fee Related
- 2004-07-21 JP JP2004212388A patent/JP2005060919A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0309013A1 (de) | 1987-08-26 | 1989-03-29 | Picanol N.V. | Verfahren zum Entfernen eines falschen Schussfadens aus dem Webfach einer Webmaschine und eine dieses Verfahrens anwendende Webmaschine |
EP0492745A1 (de) * | 1990-12-28 | 1992-07-01 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Vorrichtung zum Behandeln von Schussfaden in eine Düsenwebmaschine |
EP0493847A1 (de) | 1991-01-04 | 1992-07-08 | Picanol N.V. | Vorrichtung zum Strecken eines Schussfadens in einer Webmaschine |
US5606998A (en) * | 1994-12-06 | 1997-03-04 | Lindauer Dornier Gesellschaft Mbh | Weft detecting and stretching apparatus in a jet weaving loom |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1927691A1 (de) * | 2006-11-29 | 2008-06-04 | Sultex AG | Fadenfang -Vorrichtung und -Verfahren für eine Greiferwebmaschine |
Also Published As
Publication number | Publication date |
---|---|
JP2005060919A (ja) | 2005-03-10 |
US20050034775A1 (en) | 2005-02-17 |
EP1508633B1 (de) | 2008-10-29 |
US7195039B2 (en) | 2007-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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