EP0476529B1 - Process and jet arrangement for cleaning the air jet nozzles and the reeds in air jet looms - Google Patents
Process and jet arrangement for cleaning the air jet nozzles and the reeds in air jet looms Download PDFInfo
- Publication number
- EP0476529B1 EP0476529B1 EP91115511A EP91115511A EP0476529B1 EP 0476529 B1 EP0476529 B1 EP 0476529B1 EP 91115511 A EP91115511 A EP 91115511A EP 91115511 A EP91115511 A EP 91115511A EP 0476529 B1 EP0476529 B1 EP 0476529B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- cleaning
- nozzles
- air jet
- air nozzles
- 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.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 title claims description 23
- 235000014676 Phragmites communis Nutrition 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 6
- 244000089486 Phragmites australis subsp australis Species 0.000 title description 2
- 238000009941 weaving Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/002—Climatic conditioning or removing lint or dust
Definitions
- the invention relates to a method for cleaning air nozzles and reeds in air jet weaving machines, in which air nozzles can be connected to a compressed air source via controlled valves in such a way that the weft is shot into a guide channel in the blade and transported to the opposite fabric edge by the air streams generated.
- the invention further relates to a nozzle arrangement for performing such a method.
- the weft is transported through the compartment with the aid of an air stream.
- the sheet is provided with a guide channel.
- the shot is injected into the guide channel through a main nozzle and then by air currents emitted by Relay nozzles are generated, transported to the opposite tissue edge.
- the relay nozzles are supplied with compressed air one after the other via controlled valves in the form of solenoid valves.
- Such air jet weaving machines are described, for example, in EP-A-0 114 047 and in a company publication "PAT W Airtronic" from June 1986 by PICANOL NV, Polenlaan 3-7, B-89oo Ieper, Belgium.
- the invention has for its object to improve and facilitate the cleaning of the air nozzles and the reed and to avoid the risk of damage to machine parts during cleaning.
- this object is achieved in that cleaning fluid is passed through the air nozzles at intervals at intervals for cleaning purposes.
- a nozzle arrangement for performing this method is the subject of claim 2.
- a cleaning liquid is pressed through the air nozzles for cleaning purposes while the machine is running.
- This cleaning liquid flushes dust and other particles out of the air nozzles and the guide channel.
- the air nozzles and the reed are "cleaned" by the back and forth warp threads, i.e. the cleaning liquid and the flushed out particles are wiped off.
- the air nozzles and the guide channel then work properly again. It is not necessary to use a brush to approach the individual air nozzles.
- the figure schematically shows an arrangement of air nozzles of an air nozzle weaving machine with the controlling solenoid valves and a cleaning device for the air nozzles and the reed.
- a number of solenoid valves is designated.
- the solenoid valves are activated in succession in a known manner.
- Each solenoid valve 1o to 24 controls the supply of compressed air from compressed air connections 26 to 38 to several air nozzles arranged in a row along a guide channel 52.
- the solenoid valve 10 is assigned three air nozzles 40, 42, and 44.
- Each of the solenoid valves 10 to 24 is connected to a compressed air source via the associated compressed air connection 26 to 38.
- a connecting duct 46 branches off between the air nozzles 40, 42 and 44 and the solenoid valve 10.
- a check valve 48 is located in the connection channel 46. The check valve 48 opens in the direction of the air nozzles 40, 42, 44.
- a source of cleaning fluid can be connected to the connection channel 46 via a connection device 50.
- This source of cleaning fluid can be a container filled with cleaning fluid with a hand pump.
- the hand pump gives a surge of cleaning fluid of about 5 cm3 to the connection channel 46.
- the check valve 48 is blocked for the compressed air.
- the cleaning fluid flows through the air nozzles 40, 42, 44 and the guide channel and takes entrained particles there. These particles are flushed into the guide channel to the outside of the air nozzles 40, 42, 44.
- the cleaning liquid loosens the dirt in the guide channel and on the reed and strips it from the warp threads moving up and down
Description
Die Erfindung betrifft ein Verfahren zum Reinigen von Luftdüsen und Webblättern bei Lüftdüsen-Webmaschinen, bei denen Luftdüsen über gesteuerte Ventile mit einer Druckluftquelle verbindbar sind derart, dass der Schuss in einen Führungskanal im Blatt eingeschossen und durch die erzeugten Luftströme zur gegenüberliegenden Gewebekante transportiert wird.The invention relates to a method for cleaning air nozzles and reeds in air jet weaving machines, in which air nozzles can be connected to a compressed air source via controlled valves in such a way that the weft is shot into a guide channel in the blade and transported to the opposite fabric edge by the air streams generated.
Die Erfindung betrifft weiterhin eine Düsenanordnung zur Durchführung eines solchen Verfahrens.The invention further relates to a nozzle arrangement for performing such a method.
Bei Luftdüsen-Webmaschinen wird der Schuss mit Hilfe eines Luftstromes durch das Fach transportiert. Zu diesem Zweck ist das Blatt mit einem Führungskanal versehen. Der Schuss wird durch eine Hauptdüse in den Führungskanal eingeschossen und dann durch Luftströme, die von Staffettendüsen erzeugt werden, zur gegenüberliegenden Gewebekante weitertransportiert. Die Staffettendüsen werden über gesteuerte Ventile in Form von Magnetventilen nacheinander mit Druckluft beaufschlagt. Solche Luftdüsen-Webmaschinen sind beispielsweise beschrieben in EP-A-0 114 047 und in einer Firmendruckschrift "PAT W Airtronic" vom Juni 1986 der PICANOL N.V., Polenlaan 3-7, B-89oo Ieper, Belgien.In air jet weaving machines, the weft is transported through the compartment with the aid of an air stream. For this purpose, the sheet is provided with a guide channel. The shot is injected into the guide channel through a main nozzle and then by air currents emitted by Relay nozzles are generated, transported to the opposite tissue edge. The relay nozzles are supplied with compressed air one after the other via controlled valves in the form of solenoid valves. Such air jet weaving machines are described, for example, in EP-A-0 114 047 and in a company publication "PAT W Airtronic" from June 1986 by PICANOL NV, Polenlaan 3-7, B-89oo Ieper, Belgium.
Für die einwandfreie Funktion solcher Luftdüsen-Webmaschinen ist die genaue Dosierung und Richtung der austretenden Luft sehr wesentlich, und damit die Form und der Querschnitt der Luftdüsen und des Führungskanals. Veränderungen des Düsenquerschnitts bzw. Anderungen des Strömungsprofils im Führungskanal durch sich ansetzenden Staub, der mit der Druckluft mitgerührt wird, oder Ablagerungen im Führungskanal können zu erheblichen Störungen der Funktion der Luftdüsen-Webmaschine führen. Es ist daher erforderlich, die Luftdüsen und den Führungskanal von Zeit zu Zeit zu reinigen. Das geschieht nach dem Stand der Technik manuell mittels Bürsten. Eine solche manuelle Reinigung ist aufwendig und unzuverlässig. Es besteht die Gefahr, dass bei der Reinigung Teile der Luftdüsen-Webmaschine beschädigt werden.For the proper functioning of such air jet weaving machines, the exact metering and direction of the exiting air is very important, and thus the shape and cross section of the air jet and the guide channel. Changes in the cross-section of the nozzle or changes in the flow profile in the guide channel due to dust which is mixed with the compressed air or deposits in the guide channel can lead to considerable malfunctions in the function of the air jet weaving machine. It is therefore necessary to clean the air nozzles and the guide channel from time to time. According to the state of the art, this is done manually using brushes. Such manual cleaning is complex and unreliable. There is a risk that parts of the air jet weaving machine will be damaged during cleaning.
Der Erfindung liegt die Aufgabe zugrunde, die Reinigung der Luftdüsen und des Webblattes zu verbessern und zu erleichtern und die Gefahr einer Beschädigung von Maschinenteilen bei der Reinigung zu vermeiden.The invention has for its object to improve and facilitate the cleaning of the air nozzles and the reed and to avoid the risk of damage to machine parts during cleaning.
Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass zu Reinigungszwecken in zeitlichen Abständen Reinigungsflüssigkeit durch die Luftdüsen geleitet wird.According to the invention, this object is achieved in that cleaning fluid is passed through the air nozzles at intervals at intervals for cleaning purposes.
Eine Düsenanordnung zur Durchführung dieses Verfahrens ist Gegenstand des Patentanspruchs 2.A nozzle arrangement for performing this method is the subject of claim 2.
Nach der Erfindung wird zu Reinigungszwecken bei laufender Maschine eine Reinigungsflüssigkeit durch die Luftdüsen gedrückt. Diese Reinigungsflüssigkeit spült Staub und sonstige Partikel aus den Luftdüsen und dem Führungskanal heraus. Beim Arbeiten der Luftdüsen-Webmaschine werden die Luftdüsen sowie das Webblatt durch die hin- und hergehenden Kettfäden "geputzt", d.h., die Reinigungsflüssigkeit und die herausgespülten Partikel werden abgestrichen. Die Luftdüsen und der Führungskanal arbeiten dann wieder einwandfrei. Es ist nicht erforderlich, mit einer Bürste an die einzelnen Luftdüsen heranzugehen.According to the invention, a cleaning liquid is pressed through the air nozzles for cleaning purposes while the machine is running. This cleaning liquid flushes dust and other particles out of the air nozzles and the guide channel. When the air nozzle weaving machine is working, the air nozzles and the reed are "cleaned" by the back and forth warp threads, i.e. the cleaning liquid and the flushed out particles are wiped off. The air nozzles and the guide channel then work properly again. It is not necessary to use a brush to approach the individual air nozzles.
Ein Ausführungsbeispiel der Erfindung ist nachstehend unter Bezugnahme auf die zugehörige Zeichnung näher erläutert.An embodiment of the invention is explained below with reference to the accompanying drawings.
Die Figur zeigt schematisch eine Anordnung von Luftdüsen einer Luftdüsen-Webmaschine mit den steuernden Magnetventilen und einer Reinigungsvorrichtung für die Luftdüsen und das Webblatt.The figure schematically shows an arrangement of air nozzles of an air nozzle weaving machine with the controlling solenoid valves and a cleaning device for the air nozzles and the reed.
Der mechanische Aufbau einer Luftdüsen-Webmaschine mit den Luftdüsen, dem Fach und dem Blatt ist allgemein bekannt und daher hier nicht im einzelnen dargestellt.The mechanical structure of an air nozzle weaving machine with the air nozzles, the compartment and the blade is generally known and is therefore not shown in detail here.
Mit 1o bis 24 ist eine Reihe von Magnetventilen bezeichnet. Die Magnetventile werden in bekannter Weise nacheinander angesteuert. Jedes Magnetventil 1o bis 24 beherrscht die Zufuhr von Druckluft von Druckluftanschlüssen 26 bis 38 zu jeweils mehreren in einer Reihe längs eines Führungskanals 52 angeordneten Luftdüsen. Dem Magnetventil 10 sind drei Luftdüsen 40, 42, und 44 zugeordnet. Jedes der Magnetventile 10 bis 24 ist über den zugehörigen Druckluftanschluß 26 bis 38 mit einer Druckluftquelle verbunden.
Zwischen den Luftdüsen 40, 42 und 44 und dem Magnetventil 10 zweigt ein Anschlußkanal 46 ab. In dem Anschlußkanal 46 sitzt ein Rückschlagventil 48. Das Rückschlagventil 48 öffnet in Richtung auf die Luftdüsen 40, 42, 44 hin. An den Anschlußkanal 46 ist über eine Anschlußvorrichtung 50 eine Quelle von Reinigungsflüssigkeit anschließbar. Diese Quelle von Reinigungsflüssigkeit kann ein mit Reinigungsflüssigkeit gefüllter Behälter mit einer Handpumpe sein. Die Handpumpe gibt einen Stoß von Reinigungsflüssigkeit von etwa 5 cm³ auf den Anschlußkanal 46. Das Rückschlagventil 48 ist für die Druckluft gesperrt. Die Reinigungsflüssigkeit strömt durch die Luftdüsen 40,42,44 und den Führungskanal und nimmt dort festsitzende Partikel mit. Diese Partikel werden zur Außenseite der Luftdüsen 40,42,44 in den Führungskanal gespült. Beim weiteren Arbeiten der Luftdüsen- Webmaschine wird durch die Reinigungsflüssigkeit der Schmutz im Führungskanal und an dem Webblatt angelöst und von den auf und ab bewegten Kettfäden abgestreiftWith 1o to 24 a number of solenoid valves is designated. The solenoid valves are activated in succession in a known manner. Each solenoid valve 1o to 24 controls the supply of compressed air from compressed air connections 26 to 38 to several air nozzles arranged in a row along a
A connecting duct 46 branches off between the
Claims (2)
- A process for the cleaning of air nozzles in air nozzle weaving looms wherein air nozzles (40, 42, 44) are connected by means of controlled valves (10 to 24) with a source of compressed air in such a manner that the weft is injected into a guide channel in the reed and is carried by the flows of air produced to the opposite side of the fabric, characterized in that, for cleaning purposes, cleaning fluid is passed at intervals through the air nozzles (40, 42, 44).
- A nozzle arrangement for air nozzle looms with air nozzles (40, 42, 44) which, by means of controlled valves (10 to 24), are connectable with a source of compressed air in such a manner that the weft is injected into a guide channel in the reed and is carried by the flows of air produced to the opposite side of the fabric to carry out the process according to claim 1, characterized in that the controlled valves (10 to 24) each have an additional connection (46) by means of which the air nozzles (40, 42, 44) can be connected as desired with a source of cleaning fluid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4029743A DE4029743A1 (en) | 1990-09-20 | 1990-09-20 | METHOD AND NOZZLE ARRANGEMENT FOR CLEANING AIR JETS AND WEB SHEETS IN AIR JET WAVING MACHINES |
| DE4029743 | 1990-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0476529A1 EP0476529A1 (en) | 1992-03-25 |
| EP0476529B1 true EP0476529B1 (en) | 1994-07-13 |
Family
ID=6414585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91115511A Expired - Lifetime EP0476529B1 (en) | 1990-09-20 | 1991-09-13 | Process and jet arrangement for cleaning the air jet nozzles and the reeds in air jet looms |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5197520A (en) |
| EP (1) | EP0476529B1 (en) |
| JP (1) | JP2911658B2 (en) |
| DE (2) | DE4029743A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485318A (en) * | 2019-10-23 | 2020-08-04 | 际华三五四二纺织有限公司 | Edge reeding process of air jet loom |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19501794C1 (en) * | 1995-01-21 | 1996-02-01 | Dornier Gmbh Lindauer | Jet loom reed cleaning providing continuous simple action |
| US6371168B1 (en) | 1999-10-12 | 2002-04-16 | Milliken & Company | Reed cleaning apparatus and method |
| DE102005004064A1 (en) * | 2005-01-21 | 2006-07-27 | Picanol N.V. | Device for introducing weft threads in an air-jet loom |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179341A (en) * | 1962-06-19 | 1965-04-20 | Binks Mfg Co | Spray gun |
| US3348774A (en) * | 1965-03-18 | 1967-10-24 | Gyromat Corp | Semi-automatic color change system for paint spray installation |
| US3542595A (en) * | 1968-11-26 | 1970-11-24 | Deering Milliken Res Corp | Shuttle cleaning method |
| US3940063A (en) * | 1975-05-30 | 1976-02-24 | Nalco Chemical Company | Apparatus for spray-coating product onto an article |
| JPS5912778B2 (en) * | 1978-09-18 | 1984-03-26 | 株式会社豊田自動織機製作所 | Weft insertion method and device in jet loom |
| US4646791A (en) * | 1983-01-13 | 1987-03-03 | Tsudakoma Corporation | Method and apparatus for inserting weft threads in multiple-color air jet looms |
| US4625770A (en) * | 1984-06-29 | 1986-12-02 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Method and apparatus for monitoring weft insertion in a fluid jet loom |
| DE3643058A1 (en) * | 1986-11-21 | 1988-06-30 | Picanol Nv | NOZZLE WEAVING MACHINE |
-
1990
- 1990-09-20 DE DE4029743A patent/DE4029743A1/en not_active Withdrawn
-
1991
- 1991-09-13 EP EP91115511A patent/EP0476529B1/en not_active Expired - Lifetime
- 1991-09-13 DE DE59102167T patent/DE59102167D1/en not_active Expired - Fee Related
- 1991-09-18 JP JP3238334A patent/JP2911658B2/en not_active Expired - Fee Related
- 1991-09-19 US US07/762,483 patent/US5197520A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485318A (en) * | 2019-10-23 | 2020-08-04 | 际华三五四二纺织有限公司 | Edge reeding process of air jet loom |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4029743A1 (en) | 1992-04-30 |
| EP0476529A1 (en) | 1992-03-25 |
| DE59102167D1 (en) | 1994-08-18 |
| JP2911658B2 (en) | 1999-06-23 |
| US5197520A (en) | 1993-03-30 |
| JPH04245959A (en) | 1992-09-02 |
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