EP0919653A2 - Loom, more especially air jet loom - Google Patents

Loom, more especially air jet loom Download PDF

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Publication number
EP0919653A2
EP0919653A2 EP98120770A EP98120770A EP0919653A2 EP 0919653 A2 EP0919653 A2 EP 0919653A2 EP 98120770 A EP98120770 A EP 98120770A EP 98120770 A EP98120770 A EP 98120770A EP 0919653 A2 EP0919653 A2 EP 0919653A2
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EP
European Patent Office
Prior art keywords
main
nozzle
nozzles
longitudinal center
nozzle block
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
EP98120770A
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German (de)
French (fr)
Other versions
EP0919653B1 (en
EP0919653A3 (en
Inventor
Peter Schiller
Hubertus Ludwig
Hubert Oetmann
Josef Hehle
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Publication date
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Publication of EP0919653A2 publication Critical patent/EP0919653A2/en
Publication of EP0919653A3 publication Critical patent/EP0919653A3/en
Application granted granted Critical
Publication of EP0919653B1 publication Critical patent/EP0919653B1/en
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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
    • D03D47/3006—Construction of the nozzles
    • D03D47/3013—Main nozzles

Definitions

  • the invention relates to a loom, in particular an air jet loom a leaf bar carrying a reed, which is used for the purpose of entry and posting of weft threads on the stop edge of a fabric from an entry position into a Stop position and in the opposite direction about a longitudinal axis of a drive or blade shaft executes uniform oscillating movements with a first nozzle arrangement, which consists of several main nozzles with blowpipe, the main nozzles after one Order system are included in a main nozzle block and where the Main nozzle block is connected to the blade strip which carries out the oscillating movements, and with a second, upstream of the first nozzle arrangement, stationary nozzle arrangement, which consists of several pre-nozzles with blowpipe, the Thread guide channel of each blowpipe of the respective pre-nozzle at the time of Weft thread entry aligned with the thread guide channel of the blowpipe of the respective Main nozzle is opposite.
  • Known air jet looms have one for weft insertion Main nozzle block with several in it according to a certain order system recorded, pneumatically actuated main nozzles with a blow pipe of a certain length, wherein the respective blow pipe is directed to the weft insertion channel of a reed.
  • the main nozzle block is on the weaving machine's leaf bar carrying the reed arranged and in such a way that the main nozzle block is adjustable relative to the reed.
  • the respective pre-nozzle has a blow pipe of a certain length, which in the direction of respective main nozzle is aligned that the weft damaging Weft deflections are largely avoided.
  • the object is achieved in that the individual pre-nozzles with a blowpipe according to a classification system of the main nozzles in the main nozzle block Order system are included in a pre-nozzle block, which order system enables that by aligning a single pre-nozzle to the main nozzle in question all other pre-nozzles are aligned with the relevant main nozzles during the weft insertion even if the pre-nozzle block is on one of the blade strips independent, stationary carrier is mounted.
  • the pre-nozzle block can be arranged on a carrier connected to the weaving machine so that it can be rotated about its longitudinal center axis in a corresponding arrangement system.
  • a specific order of the pre and main nozzles is given, for example, if the center axes of the nozzles are arranged symmetrically about the longitudinal center axis of the nozzle blocks on a circular path. In such a case it is achieved that by rotating the pre-nozzle block about its longitudinal center axis, each pre-nozzle can be assigned to any main nozzle.
  • Such a procedure can be of importance if weft threads of different quality are processed into a fabric and, for example, a weft thread requires a pre-nozzle which is designed differently from the main nozzle.
  • the relevant front nozzle can then be assigned to the relevant main nozzle within a short period of time. It is therefore essential to the invention that with the alignment of a single pre-nozzle on the main nozzle in question, all other pre-nozzles are inevitably aligned with their associated main nozzles.
  • the weaving reed 1 which is only partially shown, is mounted on the so-called leaf bar 2, a weaving machine 11, which is not shown here.
  • a main nozzle arrangement 5 is shown detachably connected to the blade strip 2 in front of the reed 1.
  • the blade bar 2 periodically swings together with the reed 1 for the purpose of attaching weft threads 3 to the stop edge of a fabric (not shown here) about the longitudinal axis 4a of a drive or blade shaft 4.
  • the main nozzle arrangement 5 consequently also swings about the axis 4a in the movement rhythm of the blade strip 2.
  • the main nozzle arrangement 5 forms a main nozzle block 6.
  • the main nozzles 5a are arranged in the main nozzle block 6 according to a certain system. Such a particular system is shown in Figures 4, 6 and 8.
  • the main nozzles 5a are equipped with a blow pipe 5b.
  • a thread guide channel 5b runs through the main nozzles 5a and the associated blow pipe 5b over their length.
  • the main nozzle block 6 and the free ends of the blowpipes 5b are carried by a cooler 13, which establishes the connection to the sheet bar 2.
  • the connecting means 14 are shown symbolically.
  • a pre-nozzle arrangement 8 is positioned in front of the main nozzle arrangement 5 in the weft direction 7.
  • the pre-nozzle arrangement 8 is stationary connected to a machine-fixed support 12.
  • a holder 15 accommodates a pre-nozzle block 9, in which pre-nozzles 8a with a blowpipe 8b are integrated according to the invention, namely according to an order system which corresponds to that of the main nozzles 5a in the main nozzle block 6.
  • the cooler 15 is connected to the carrier 12 via symbolically represented connection means 16.
  • the arrangement system of the pre-nozzles 8a in the pre-nozzle block 9 is shown in FIGS. 3, 5 and 7.
  • the sheet bar 2 with the superstructures 1, 5 and 13 is in the insertion position of the weft thread 3.
  • the pre-nozzle arrangement 8 is permanently in this position, as a result of which the thread guide channels 5b 'and 8b' then lie flush with one another.
  • Such an arrangement has the advantage, inter alia, that deflections of the weft threads at the outlet of the blowpipes 8b and at the inlet of the main nozzles 5a are excluded at the time of the weft thread insertion and that, as already mentioned above, due to an identical ordering system between the main and pre-nozzles and the combination of all pre-nozzles in one pre-nozzle block, the effort for aligning the pre-nozzles on the main nozzles is minimized.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Buffer Packaging (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Prostheses (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

In a jet loom assembly, the leading jets (8a) are integrated into the leading jet block (9) with the blower tube (8b) of the second jet assembly (8) in the structure arrangement of the main jets (5a). The leading jet block (9) is secured to a carrier (12) fixed to the machine structure of the loom (11). The alignment gives a straight path for the yarn guide channel (8b') of a single leading jet (8a) to the yarn guide channel (5b') of the positioned main jet (5a) of the total yarn guide channels (8b') of the leading jets (8a) facing the main jets (5a).

Description

Die Erfindung betrifft eine Webmaschine, insbesondere eine Luftdüsenwebmaschine mit einer ein Webblatt tragenden Blattleiste, die zum Zwecke des Eintragens und Anschlagens von Schußfäden an die Anschlagkante eines Gewebes aus einer Eintragsposition in eine Anschlagposition und in umgekehrter Richtung um eine Längsachse einer Antriebs- oder Blattwelle gleichförmige Schwingbewegungen ausführt, mit einer ersten Düsenanordnung, die aus mehreren Hauptdüsen mit Blasrohr besteht, wobei die Hauptdüsen nach einem Ordnungssystem in einem Hauptdüsenblock aufgenommen sind und wobei der Hauptdüsenblock mit der die Schwingbewegungen ausführenden Blattleiste verbunden ist, und mit einer in Schußrichtung vor der ersten Düsenanordnung vorhandenen zweiten, stationären Düsenanordnung, die aus mehreren Vordüsen mit Blasrohr besteht, wobei der Fadenführungskanal jedes Blasrohres der jeweiligen Vordüse zum Zeitpunkt des Schußfadeneintrags fluchtend dem Fadenführungskanal des Blasrohres der jeweiligen Hauptdüse gegenüberliegt.The invention relates to a loom, in particular an air jet loom a leaf bar carrying a reed, which is used for the purpose of entry and posting of weft threads on the stop edge of a fabric from an entry position into a Stop position and in the opposite direction about a longitudinal axis of a drive or blade shaft executes uniform oscillating movements with a first nozzle arrangement, which consists of several main nozzles with blowpipe, the main nozzles after one Order system are included in a main nozzle block and where the Main nozzle block is connected to the blade strip which carries out the oscillating movements, and with a second, upstream of the first nozzle arrangement, stationary nozzle arrangement, which consists of several pre-nozzles with blowpipe, the Thread guide channel of each blowpipe of the respective pre-nozzle at the time of Weft thread entry aligned with the thread guide channel of the blowpipe of the respective Main nozzle is opposite.

Bekannte Luftdüsenwebmaschinen besitzen für den Schußfadeneintrag einen Hauptdüsenblock mit mehreren darin nach einem bestimmten Ordnungssystem aufgenommenen, pneumatisch beaufschlagbaren Hauptdüsen mit Blasrohr bestimmter Länge, wobei das jeweilige Blasrohr auf den Schußeintragskanal eines Webblattes gerichtet ist. Der Hauptdüsenblock ist auf der das Webblatt tragenden Blattleiste der Webmaschine angeordnet und zwar so, daß der Hauptdüsenblock relativ zum Webblatt einstellbar ist.Known air jet looms have one for weft insertion Main nozzle block with several in it according to a certain order system recorded, pneumatically actuated main nozzles with a blow pipe of a certain length, wherein the respective blow pipe is directed to the weft insertion channel of a reed. The main nozzle block is on the weaving machine's leaf bar carrying the reed arranged and in such a way that the main nozzle block is adjustable relative to the reed.

Zur Realisierung einer hohen Schußfadeneintragsleistung ist bekannt, jeder in dem Hauptdüsenblock integrierten Hauptdüse eine separat angeordnete Vordüse zuzuordnen, die in Eintragsrichtung des Schußfadens gesehen, vor der jeweiligen Hauptdüse beabstandet positioniert ist.To realize a high weft insertion performance, everyone is known in the Main nozzle block integrated main nozzle to assign a separately arranged pre-nozzle, the Seen in the direction of insertion of the weft, spaced in front of the respective main nozzle is positioned.

Die jeweilige Vordüse besitzt ein Blasrohr bestimmter Länge, das so in Richtung der jeweiligen Hauptdüse ausgerichtet ist, daß den Schußfaden schädigende Schußfadenablenkungen weitgehend vermieden werden. The respective pre-nozzle has a blow pipe of a certain length, which in the direction of respective main nozzle is aligned that the weft damaging Weft deflections are largely avoided.

Dabei ist das Ausrichten der jeweiligen Vordüse auf die betreffende Hauptdüse zeitaufwendig und zwar dann, wenn eine Vielzahl von Vordüsen auf eine betreffende Vielzahl von Hauptdüsen ausgerichtet werden muß.This is the alignment of the respective front nozzle with the main nozzle in question time-consuming when a large number of pre-nozzles on one concerned Variety of main nozzles needs to be aligned.

Vor diesem Hintergrund ist es Aufgabe der Erfindung, eine Vordüsenanordnung vorzusehen, mit der das individuelle Ausrichten jeder Vordüse aufdie zugehörige Hauptdüse entfallt und mit der Schußfadenablenkungen zwischen den Vor- und Hauptdüsen wahrend des Schußfadeneintrages vermieden werden.Against this background, it is an object of the invention to provide a pre-nozzle arrangement, with which the individual alignment of each pre-nozzle on the associated main nozzle is omitted and with the weft deflections between the front and main nozzles during the Weft entry can be avoided.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß die einzelnen Vordüsen mit Blasrohr nach einem dem Ordnungssystem der Hauptdüsen im Hauptdüsenblock entsprechenden Ordnungssystem in einem Vordüsenblock aufgenommen sind, welches Ordnungssystem ermöglicht, daß mit dem Ausrichten einer einzigen Vordüse auf die betreffende Hauptdüse alle übrigen Vordüsen beim Schußfadeneintrag aufdie betreffenden Hauptdüsen ausgerichtet sind und zwar auch dann, wenn der Vordüsenblock auf einem von der Blattleiste unabhängigen, stationären Träger montiert ist.According to the invention the object is achieved in that the individual pre-nozzles with a blowpipe according to a classification system of the main nozzles in the main nozzle block Order system are included in a pre-nozzle block, which order system enables that by aligning a single pre-nozzle to the main nozzle in question all other pre-nozzles are aligned with the relevant main nozzles during the weft insertion even if the pre-nozzle block is on one of the blade strips independent, stationary carrier is mounted.

In weiterer Ausgestaltung der Erfindung kann der Vordüsenblock bei einem entsprechenden Ordnungssystem um seine Längsmittenachse drehbar auf dem mit der Webmaschine stationär verbundenen Träger angeordnet sein.
Ein bestimmtes Ordnungssystem der Vor- und Hauptdüsen ist z.B. dann gegeben, wenn die Mittenachsen der Düsen symmetrisch um die Längsmittenachse der Düsenblöcke auf einer Kreisbahn angeordnet sind.
In einem solchen Fall wird erreicht, daß durch Drehen des Vordüsenblockes um seine Längsmittenachse jede Vordüse einer beliebigen Hauptdüse zugeordnet werden kann.
Ein solches Vorgehen kann dann von Bedeutung sein, wenn Schußfäden verschiedener Qualität zu einem Gewebe verarbeitet werden und z.B. ein Schußfaden eine von der Hauptdüse abweichend konstruktiv ausgebildete Vordüse erfordert.
Innerhalb einer kurzen Zeitdauer ist dann die betreffende Vordüse der betreffenden Hauptdüse zuordenbar.
Erfindungswesentlich ist also, daß mit dem Ausrichten einer einzigen Vordüse auf die betreffende Hauptdüse alle übrigen Vordüsen auf ihre zugeordneten Hauptdüsen zwangsläufig fluchtend ausgerichtet sind.In a further embodiment of the invention, the pre-nozzle block can be arranged on a carrier connected to the weaving machine so that it can be rotated about its longitudinal center axis in a corresponding arrangement system.
A specific order of the pre and main nozzles is given, for example, if the center axes of the nozzles are arranged symmetrically about the longitudinal center axis of the nozzle blocks on a circular path.
In such a case it is achieved that by rotating the pre-nozzle block about its longitudinal center axis, each pre-nozzle can be assigned to any main nozzle.
Such a procedure can be of importance if weft threads of different quality are processed into a fabric and, for example, a weft thread requires a pre-nozzle which is designed differently from the main nozzle.
The relevant front nozzle can then be assigned to the relevant main nozzle within a short period of time.
It is therefore essential to the invention that with the alignment of a single pre-nozzle on the main nozzle in question, all other pre-nozzles are inevitably aligned with their associated main nozzles.

Mit der erfindungsgemäßen Lösung entfällt in vorteilhafter Weise das separate Ausrichten der Vielzahl von Vordüsen auf die betreffenden Hauptdüsen und es sind den Schußfaden schädigende Schußfadenablenkungen zwischen der Vor- und Hauptdüsenanordnung während des Schußfadeneintrags ausgeschlossen.With the solution according to the invention, separate alignment is advantageously eliminated the large number of pre-nozzles on the relevant main nozzles and it is the weft damaging weft deflections between the front and main nozzle assembly during of the weft thread entry excluded.

Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert.The invention is illustrated below with reference to one in the drawings Embodiment explained in more detail.

Es zeigen:

Figur 1
die Vorderansicht des Haupt- und Vordüsenblockes mit Haupt- und Vordüsen in getrennter Anordnung,
Figur 2
die Draufsicht des Haupt- und Vordüsenblockes mit Haupt- und Vordüsen,
Figur 3
ein Ordnungssystem der Vordüsen im Vordüsenblock nach Ansicht A gem. Figur 2,
Figur 4
ein Ordnungssystem der Hauptdüsen im Hauptdüsenblock nach Ansicht B gem. Figur 2,
Figur 5
ein Ordnungssystem der Vordüsen im Vordüsenblock nach Ansicht A gem. Figur 2
Figur 6
ein Ordnungssystem der Hauptdüsen im Hauptdüsenblock nach Ansicht B gem. Figur 2,
Figur 7
ein Ordnungssystem der Vordüsen im Vordüsenblock nach Ansicht A gem. Figur 2,
Figur 8
ein Ordnungssystem der Hauptdüsen im Hauptdüsenblock nach Ansicht B gem. Figur 2.
Show it:
Figure 1
the front view of the main and pre-nozzle block with main and pre-nozzles in a separate arrangement,
Figure 2
the top view of the main and pre-nozzle block with main and pre-nozzles,
Figure 3
a classification system of the pre-nozzles in the pre-nozzle block according to view A acc. Figure 2,
Figure 4
an order system of the main nozzles in the main nozzle block according to view B acc. Figure 2,
Figure 5
a classification system of the pre-nozzles in the pre-nozzle block according to view A acc. Figure 2
Figure 6
an order system of the main nozzles in the main nozzle block according to view B acc. Figure 2,
Figure 7
a classification system of the pre-nozzles in the pre-nozzle block according to view A acc. Figure 2,
Figure 8
an order system of the main nozzles in the main nozzle block according to view B acc. Figure 2.

In Figur 1 ist auf der sogenannten Blattleiste 2, einer hier nicht weiter dargestellten Webmaschine 11, das nur teilweise dargestellte Webblatt 1 montiert.
In Schußrichtung 7 ist vor dem Webblatt 1 eine Hauptdüsenanordnung 5 mit der Blattleiste 2 lösbar verbunden dargestellt.
Die Blattleiste 2 schwingt periodisch zusammen mit dem Webblatt 1 zum Zwecke des Anschlagens von Schußfäden 3 an die hier nicht dargestellte Anschlagkante eines Gewebes um die Längsachse 4a einer Antriebs- oder Blattwelle 4.
Die Hauptdüsenanordnung 5 schwingt folglich auch im Bewegungsrhythmus der Blattleiste 2 um die Achse 4a.
Die Hauptdüsenanordnung 5 bildet bekanntermaßen einen Hauptdüsenblock 6 aus.
Die Hauptdüsen 5a sind in dem Hauptdüsenblock 6 nach einem bestimmten System angeordnet. Ein solches bestimmtes System wird in den Figuren 4, 6 und 8 gezeigt.
Die Hauptdüsen 5a sind mit einem Blasrohr 5b ausgerüstet.
Ein Fadenführungskanal 5b' durchzieht die Hauptdüsen 5a und das zugehörige Blasrohr 5b über deren Länge.
Der Hauptdüsenblock 6 und die freien Enden der Blasrohre 5b werden von einem Kalter 13 getragen, der die Verbindung zur Blattleiste 2 herstellt.
Die Verbindungsmittel 14 sind symbolisch dargestellt.In FIG. 1, the weaving reed 1, which is only partially shown, is mounted on the so-called leaf bar 2, a weaving machine 11, which is not shown here.
In the weft direction 7, a main nozzle arrangement 5 is shown detachably connected to the blade strip 2 in front of the reed 1.
The blade bar 2 periodically swings together with the reed 1 for the purpose of attaching weft threads 3 to the stop edge of a fabric (not shown here) about the longitudinal axis 4a of a drive or blade shaft 4.
The main nozzle arrangement 5 consequently also swings about the axis 4a in the movement rhythm of the blade strip 2.
As is known, the main nozzle arrangement 5 forms a main nozzle block 6.
The main nozzles 5a are arranged in the main nozzle block 6 according to a certain system. Such a particular system is shown in Figures 4, 6 and 8.
The main nozzles 5a are equipped with a blow pipe 5b.
A thread guide channel 5b 'runs through the main nozzles 5a and the associated blow pipe 5b over their length.
The main nozzle block 6 and the free ends of the blowpipes 5b are carried by a cooler 13, which establishes the connection to the sheet bar 2.
The connecting means 14 are shown symbolically.

Eine Vordüsenanordnung 8 ist in Schußrichtung 7 vor der Hauptdüsenanordnung 5 positioniert.
Die Vordüsenanordnung 8 ist stationär mit einem maschinenfesten Träger 12 verbunden. Ein Halter 15 nimmt einen Vordüsenblock 9 auf, in dem erfindungsgemäß Vordüsen 8a mit Blasrohr 8b integriert sind und zwar nach einem Ordnungssystem, das dem der Hauptdüsen 5a im Hauptdüsenblock 6 entspricht. Der Kalter 15 ist über symbolisch dargestellte Verbindungsmittel 16 mit dem Träger 12 verbunden.
Das Ordnungssystem der Vordüsen 8a im Vordüsenblock 9 zeigen die Figuren 3, 5 und 7.A pre-nozzle arrangement 8 is positioned in front of the main nozzle arrangement 5 in the weft direction 7.
The pre-nozzle arrangement 8 is stationary connected to a machine-fixed support 12. A holder 15 accommodates a pre-nozzle block 9, in which pre-nozzles 8a with a blowpipe 8b are integrated according to the invention, namely according to an order system which corresponds to that of the main nozzles 5a in the main nozzle block 6. The cooler 15 is connected to the carrier 12 via symbolically represented connection means 16.
The arrangement system of the pre-nozzles 8a in the pre-nozzle block 9 is shown in FIGS. 3, 5 and 7.

In Figur 2 befindet sich die Blattleiste 2 mit den Aufbauten 1, 5 und 13 in der Eintragsposition des Schußfadens 3. In dieser Position befindet sich permanent die Vordüsenanordnung 8, wodurch dann die Fadenführungskanäle 5b' und 8b' einander fluchtend gegenüberliegen.
Mit einer derartigen Anordnung ist unter anderem der Vorteil verbunden, daß zum Zeitpunkt des Schußfadeneintrages Ablenkungen der Schußfäden am Ausgang der Blasrohre 8b und am Eingang der Hauptdüsen 5a ausgeschlossen sind und daß wie schon vorstehend erwähnt, aufgrund eines identischen Ordnungssystems zwischen den Haupt- und Vordüsen und der Vereinigung aller Vordüsen in einen Vordüsenblock, der Aufwand zum fluchtenden Einstellen der Vordüsen auf die Hauptdüsen minimiert ist. In FIG. 2, the sheet bar 2 with the superstructures 1, 5 and 13 is in the insertion position of the weft thread 3. The pre-nozzle arrangement 8 is permanently in this position, as a result of which the thread guide channels 5b 'and 8b' then lie flush with one another.
Such an arrangement has the advantage, inter alia, that deflections of the weft threads at the outlet of the blowpipes 8b and at the inlet of the main nozzles 5a are excluded at the time of the weft thread insertion and that, as already mentioned above, due to an identical ordering system between the main and pre-nozzles and the combination of all pre-nozzles in one pre-nozzle block, the effort for aligning the pre-nozzles on the main nozzles is minimized.

ZEICHNUNGS-LEGENDEDRAWING LEGEND

0101
WebblattReed
0202
BlattleisteSheet bar
0303
SchußfadenWeft
0404
Antriebswelledrive shaft
04a04a
LängsachseLongitudinal axis
0505
HauptdüsenanordnungMain nozzle arrangement
05a05a
HauptdüseMain nozzle
05a'05a '
LängsmittenachseLongitudinal center axis
05b05b
BlasrohrBlowpipe
05b'05b '
FadenführungskanalThread guide channel
0606
HauptdüsenblockMain nozzle block
0707
SchußrichtungFiring direction
0808
VordüsenanordnungFront nozzle arrangement
08a08a
VordüseFront nozzle
08a'08a '
LängsmittenachseLongitudinal center axis
08b08b
BlasrohrBlowpipe
08b'08b '
FadenführungskanalThread guide channel
0909
VordüsenblockPre-nozzle block
1010th
LängsmittenachseLongitudinal center axis
1111
WebmaschineWeaving machine
1212th
Trägercarrier
1313
Halterholder
1414
VerbindungsmittelLanyard
1515
Halterholder
1616
VerbindungsmittelLanyard

Claims (6)

Webmaschine, insbesondere Luftdüsenwebmaschine mit einer ein Webblatt (1) tragenden Blattleiste (2), die zum Zwecke des Eintragens und Anschlagens von Schußfäden (3) aus einer Eintragsposition in eine Anschlagposition und in umgekehrter Richtung um eine Längsachse (4a) einer Antriebswelle (4) gleichförmige Schwingbewegungen ausführt, mit einer ersten Düsenanordnung (5), die aus mehreren Hauptdüsen (5a) mit Blasrohr (5b) besteht, wobei die Hauptdüsen (5a) nach einem Ordnungssystem in einem Hauptdüsenblock (6) aufgenommen sind und wobei der Hauptdüsenblock (6) mit der die Schwingbewegungen ausführenden Blattleiste (2) fest verbunden ist, und mit einer in Schußrichtung (7) vor der ersten Düsenanordnung (5) vorhandenen zweiten stationären Düsenanordnung (8) die aus mehreren Vordüsen (8a) mit Blasrohr (8b) besteht, wobei der Fadenfürungskanal (8b') jedes Blasrohres (8) der jeweiligen Vordüse (8a) zum Zeitpunkt des Schußfadeneintrags fluchtend dem Fadenführungskanal (5b') des Blasrohres (5b) der jeweiligen Hauptdüse (5a) gegenüber liegt, dadurch gekennzeichnet, daß die Vordüsen (8a) mit Blasrohr (8b) der zweiten Düsenanordnung (8) nach dem Ordnungssystem der Hauptdüsen (5a) in einem Vordüsenblock (9) integriert sind, daß der Vordüsenblock (9) mit einem maschinenfesten Träger (12) der Webmaschine (11) verbunden ist und daß mit einem fluchtenden Ausrichten des Fadenführungskanals (8b') einer einzigen Vordüse (8a) auf den Fadenführungskanal (5b') der zugeordneten Hauptdüse (5a) die Gesamtheit der Fadenführungskanäle (8b') der Vordüsen (8) auf die der Hauptdüsen (5a) ausgerichtet ist.Weaving machine, in particular air-jet weaving machine with a reed bar (2) carrying a reed (1), which for the purpose of inserting and picking up weft threads (3) from an entry position into a stop position and in the opposite direction about a longitudinal axis (4a) of a drive shaft (4) executes uniform oscillating movements, with a first nozzle arrangement (5) consisting of a plurality of main nozzles (5a) with a blowpipe (5b), the main nozzles (5a) being accommodated in a main nozzle block (6) according to an order system and the main nozzle block (6) with the blade bar (2) carrying out the oscillating movements is firmly connected, and with a second stationary nozzle arrangement (8) which is present in the weft direction (7) in front of the first nozzle arrangement (5) and consists of a plurality of pre-nozzles (8a) with a blowpipe (8b), whereby the thread guide channel (8b ') of each blow tube (8) of the respective pre-nozzle (8a) in alignment with the thread guide channel (5b') at the time of the weft thread insertion ) of the blower tube (5b) opposite the respective main nozzle (5a), characterized in that the pre-nozzles (8a) with blower tube (8b) of the second nozzle arrangement (8) are integrated in a pre-nozzle block (9) according to the order system of the main nozzles (5a) are that the pre-nozzle block (9) is connected to a machine-fixed support (12) of the weaving machine (11) and that with an aligned alignment of the thread guide channel (8b ') of a single pre-nozzle (8a) on the thread guide channel (5b') of the associated main nozzle (5a) the entirety of the thread guide channels (8b ') of the pre-nozzles (8) to which the main nozzles (5a) are aligned. Webmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das Ordnungssystem aus einer zur Längsmittenachse (10) des Vor- und Hauptdüsenblockes (9,6) symmetrischen Anordnung der Längsmittenachsen (8a',5a') der Vor- und Hauptdüsen (8a,5a) besteht. Weaving machine according to claim 1, characterized in that the arrangement system consists of an arrangement of the longitudinal center axes (8a ', 5a') of the front and main nozzles (8a, 5a) symmetrical to the longitudinal center axis (10) of the front and main nozzle block (9,6) . Webmaschine nach Anspruch 2, dadurch gekennzeichnet, daß die Längsmittenachsen (8a',5a') auf einer Rechteckbahn einer in Schußrichtung (7) ausgerichteten Rechteckfläche (9a,6a) des Vor- und Hauptdüsenblockes (9,6) liegen.Weaving machine according to claim 2, characterized in that the longitudinal center axes (8a ', 5a') lie on a rectangular path of a rectangular surface (9a, 6a) of the front and main nozzle block (9,6) oriented in the weft direction (7). Webmaschine nach Anspruch 2, dadurch gekennzeichnet, daß die Längsmittenachsen (8a',5a') auf einer Quadratbahn einer in Schußrichtung (7) ausgerichteten Quadratfläche (9b,6b) des Vor- und Hauptdüsenblockes (9,6) liegen.Loom according to claim 2, characterized in that the longitudinal center axes (8a ', 5a') lie on a square path of a square surface (9b, 6b) of the front and main nozzle block (9,6) oriented in the weft direction (7). Webmaschine nach Anspruch 2, dadurch gekennzeichnet, daß die Längsmittenachsen (8a',5a') auf einer Kreisbahn einer in Schußrichtung (7) ausgerichteten Kreisfläche (9c,6c) des Vor- und Hauptdüsenblockes (9,6) liegen.Loom according to claim 2, characterized in that the longitudinal center axes (8a ', 5a') lie on a circular path of a circular surface (9c, 6c) of the front and main nozzle block (9,6) oriented in the weft direction (7). Webmaschine nach Anspruch 5, dadurch gekennzeichnet, daß der Vordüsenblock (9) zusätzlich um seine Längsmittenachse (10) drehbar angeordnet ist und dadurch die Längsmittenachse (8a') jeder Vordüse (8a) auf die Längsmittenachse (5a') jeder Hauptdüse (5a) einstellbar ist.Weaving machine according to claim 5, characterized in that the pre-nozzle block (9) is additionally rotatable about its longitudinal center axis (10) and thereby the longitudinal center axis (8a ') of each pre-nozzle (8a) can be adjusted to the longitudinal center axis (5a') of each main nozzle (5a) is.
EP98120770A 1997-11-28 1998-11-02 Loom, more especially air jet loom Expired - Lifetime EP0919653B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29721042U DE29721042U1 (en) 1997-11-28 1997-11-28 Loom, in particular air jet loom
DE29721042U 1997-11-28

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EP0919653A2 true EP0919653A2 (en) 1999-06-02
EP0919653A3 EP0919653A3 (en) 2000-03-15
EP0919653B1 EP0919653B1 (en) 2003-01-29

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EP98120770A Expired - Lifetime EP0919653B1 (en) 1997-11-28 1998-11-02 Loom, more especially air jet loom

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US (1) US6050304A (en)
EP (1) EP0919653B1 (en)
JP (1) JP3025484B2 (en)
AT (1) ATE231935T1 (en)
DE (2) DE29721042U1 (en)
ES (1) ES2190030T3 (en)
PT (1) PT919653E (en)

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CN104073958A (en) * 2014-06-21 2014-10-01 泰州市凌峰机电设备有限公司 Tandem type swinging main nozzle

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US7748414B2 (en) * 2006-12-12 2010-07-06 Itema (Switzerland) Ltd Method and apparatus for the insertion of weft threads
JP5760960B2 (en) * 2011-11-04 2015-08-12 株式会社豊田自動織機 Weft insertion device for air jet loom
JP2015019990A (en) * 2013-07-23 2015-02-02 有限会社桜道ふとん店 Pillow
JP5892128B2 (en) * 2013-08-29 2016-03-23 株式会社豊田自動織機 Main nozzle device of air jet loom
CN103757803B (en) * 2014-01-28 2016-03-23 无锡精业丝普兰科技股份有限公司 Main spray pipe base and main nozzle structure
CN104164735B (en) * 2014-08-08 2015-08-19 浙江理工大学 A kind of air inlet curl and the continuously adjustable main nozzle of jet loom of charge flow rate

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EP0160117A1 (en) * 1984-04-21 1985-11-06 Günne Webmaschinenfabrik GmbH & Co. KG Weft insertion device for looms, and process for the pneumatic insertion of weft lengths
EP0291486A1 (en) * 1987-05-12 1988-11-17 Picanol N.V. Method for threading a pick insertion device on weaving machines and a device which uses this method
EP0318802A1 (en) * 1987-12-01 1989-06-07 Lindauer Dornier Gesellschaft M.B.H Weft insertion device for pneumatic looms with at least two bundled nozzles
BE1004895A3 (en) * 1991-05-23 1993-02-16 Picanol Nv Method and device for inserting a weft thread in air jet looms
WO1997029231A1 (en) * 1996-02-09 1997-08-14 Picanol N.V. Device for the supply of compressed air to a main jet nozzle of an air shuttle loom

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CN104073958A (en) * 2014-06-21 2014-10-01 泰州市凌峰机电设备有限公司 Tandem type swinging main nozzle

Also Published As

Publication number Publication date
DE59807058D1 (en) 2003-03-06
JPH11222748A (en) 1999-08-17
ES2190030T3 (en) 2003-07-16
PT919653E (en) 2003-06-30
EP0919653B1 (en) 2003-01-29
ATE231935T1 (en) 2003-02-15
EP0919653A3 (en) 2000-03-15
DE29721042U1 (en) 1998-02-05
JP3025484B2 (en) 2000-03-27
US6050304A (en) 2000-04-18

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