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EP2066577B1 - Suction nozzle for a workstation of a textile machine which produces crosswound bobbins - Google Patents

Suction nozzle for a workstation of a textile machine which produces crosswound bobbins Download PDF

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Publication number
EP2066577B1
EP2066577B1 EP07786184A EP07786184A EP2066577B1 EP 2066577 B1 EP2066577 B1 EP 2066577B1 EP 07786184 A EP07786184 A EP 07786184A EP 07786184 A EP07786184 A EP 07786184A EP 2066577 B1 EP2066577 B1 EP 2066577B1
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EP
European Patent Office
Prior art keywords
suction nozzle
cross
region
section
sectional
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.)
Not-in-force
Application number
EP07786184A
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German (de)
French (fr)
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EP2066577A1 (en
Inventor
Stefan Bungter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Publication of EP2066577A1 publication Critical patent/EP2066577A1/en
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Publication of EP2066577B1 publication Critical patent/EP2066577B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08Automatic end-finding and material-interconnecting arrangements
    • B65H67/081Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a suction nozzle for a workstation of a cross-wound textile machine according to the preamble of claim 1.
  • the Spulstellenrechner ensures that, such as in the DE 40 05 752 A1 described, first applied a so-called suction nozzle with its mouth to the surface of the slowly rotating against the winding direction of the package winding and subjected to negative pressure.
  • the suction nozzle attempts to record with its mouth the yarn end of the upper thread from the surface of the package designed as a cross-wound bobbin.
  • the suction nozzle pivots back to its original position, in which the mouth of the suction nozzle is positioned below a yarn ply device.
  • the yarn strand extending between the cross-wound bobbin and the suction nozzle is placed in an electronic cleaner arranged above the yarn joining device, a clamping and cutting device positioned in this region and, by means of corresponding guide contours of Thread guide plates and Fadenleitbügeln out, fed into the shears of a cutting device located below the splicer.
  • a gripper tube positioned in a lower starting position pivots into an upper working position, bringing with it a lower thread that has been held until then, for example in a thread tensioner, drawn from the supply spool.
  • the present invention seeks to develop a suction nozzle, which is designed so that an accumulated on the cross-wound yarn end of an upper thread can be handled safely.
  • the suction nozzle according to the invention has the advantage that the effective suction air flow within the suction nozzle, especially in the region of the inlet opening, concentrated concentrated on the lateral edge regions of the inlet opening of the suction nozzle and thus becomes more effective in the problem areas of the package.
  • this section of the suction nozzle is divided into two lateral cross-sectional areas and an intermediate cross-sectional area arranged therebetween, the air flow in the region of the lateral cross-sectional areas, not least because of their far greater height, above the air flow rate of the central cross-sectional area ,
  • the profiling is preferably part of a Saugdüsendeckels, which is connected, for example via bolts, with a Saugdüsenfuß.
  • Such an embodiment can be realized inexpensively by injection or pressure casting.
  • the suction nozzle in its end region on air guide surfaces, which are advantageously integrally formed on the Saugdüsendeckel.
  • the comb strip for example, when pivoting back the suction nozzle ensures that, for example, loops, which may be present in the recorded thread, are combed out, so that there is always only a single thread during the subsequent yarn joining process.
  • Fig. 1 is a side view schematically a job 2 of a cheese-producing textile machine, in the embodiment, a so-called cross-winding machine 1, shown.
  • the spinning rings 3 produced on ring spinning machines are rewound to large-volume cheeses 5 on the workstations 2 of such automatic winder 1.
  • the cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a cheese changer, handed over to a machine-length cheese package transport means 7 and transported to a machine end side Spulenverladestation or the like.
  • a (not shown) automatically operating service unit preferably a cheese changer
  • such automatic packages 1 also have a logistics device in the form of a package and tube transport system 6.
  • the spinning cops 3 or empty tubes run on transport plates 11. From the sleeve transport system 6 are in the Fig. 1 only the Kopszu slaughterhouse 24, the reversibly driven storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.
  • Each workstation 2 of the automatic winder 1 has a workstation computer 28, which is connected via a bus connection 29 to a central control unit 30 of the cheese-winder 1, as well as various other devices which are necessary for the proper operation of the workstations 2.
  • Such a winding device 4 has a coil frame 8 which is movably mounted about a pivot axis 12.
  • Fig. 1 indicated in the creel 8 freely rotatably supported cross-wound bobbin 5 during the winding operation with its surface on a support and drive roller 9, which is acted upon by an electric motor 33.
  • the electric motor 33 is connected via a control line 35 to the workstation computer 28.
  • Fadenchangier listening 10 For traversing the thread 16 during the winding process a Fadenchangier listening 10 is provided.
  • Fadenchangier aggr 10 consists for example of a finger thread guide 13, which, acted upon by an electric motor drive 14, traversing the accumulating on the cheese 5 thread 16 between the end faces of the cheese 5 traversed.
  • the thread guide drive 14 Via a control line 15, the thread guide drive 14 is in operative connection with the workstation computer 28.
  • Such jobs 2 also have a thread connecting device 42, preferably a pneumatic splicing device, a gripper tube 43 for handling the lower thread and a suction nozzle 17 according to the invention, with which the accumulated on the cheese 5 and the upper thread can be inserted into the thread connecting device 42.
  • a thread connecting device 42 preferably a pneumatic splicing device, a gripper tube 43 for handling the lower thread and a suction nozzle 17 according to the invention, with which the accumulated on the cheese 5 and the upper thread can be inserted into the thread connecting device 42.
  • the suction nozzle 17 in this case has a flow-optimized suction nozzle head 18 whose specific shape is described below with reference to FIG Figures 2-4 is explained.
  • the Fig. 2 shows a perspective view of the suction nozzle head 18 according to the invention, which consists essentially of a suction nozzle 39 and a Saugdüsdeckel 37, which are connected by bolts 38 or the like.
  • the Saugdüsenfuß 39 has in its end region on a connecting piece 36 which is fixed in a pivot tube of the suction nozzle 17.
  • the suction nozzle cover 37 has an inwardly directed profiling 34, which protrudes into the clear cross section of the suction nozzle 17 in such a way that lateral cross-sectional areas 21 and a central cross-sectional area 22 are formed in the region of the section 20 of the suction nozzle 17.
  • air guide surfaces 40 are formed on the Saugdüsendeckel, which provide a defined air flow.
  • the lateral cross-sectional areas 21 in the majority of the portion 20 to a height H which is in each case significantly above the height h of the adjacent central cross-sectional area 22.
  • an inlet region 19 with an inlet opening 23 is arranged.
  • the inlet opening 23 is thereby enclosed by a comb strip 41 which meshes with the swiveling back of the suction nozzle 17 any loops from the recorded thread 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention relates to a suction nozzle for a workstation of a textile machine which produces crosswound bobbins, which suction nozzle can be loaded with vacuum and is mounted pivotably in such a way that an inlet opening on the suction-nozzle head of the suction nozzle can be positioned in the region of the surface of the crosswound bobbin which is secured rotatably in a bobbin frame, in order to receive a thread end which winds onto the crosswound bobbin. There is provision according to the invention for a front inlet region (19) which has the inlet opening (23) to be adjoined by a section (20) of the suction-nozzle head (18), which section (20) has a profiling (34) which protrudes into the inside cross section of the section (20). The profiling (34) divides the section (20) into two lateral cross-sectional regions (21) and a central cross-sectional region (22) which is arranged between them, wherein, in the predominant part of the section (20), the lateral cross-sectional regions (21) have a height (H) which in each case lies considerably above the height (h) of the adjacent central cross-sectional region (22).

Description

Die Erfindung betrifft eine Saugdüse für eine Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine gemäß dem Oberbegriff des Anspruches 1.The invention relates to a suction nozzle for a workstation of a cross-wound textile machine according to the preamble of claim 1.

Im Zusammenhang mit dem Betrieb von Kreuzspulen herstellenden Textilmaschinen, insbesondere von Kreuzspulautomaten, ist es üblich, im Falle einer Spulunterbrechung, zum Beispiel bei einem Fadenbruch, bei einem kontrollierten Reinigerschnitt oder bei einem Vorlagespulenwechsel über einen Spulstellenrechner der betreffenden Spulstelle eine arbeitsstelleneigene Fadenverbindungsautomatik zu aktivieren.In connection with the operation of cheese-producing textile machines, in particular automatic packages, it is customary in the case of a winding interruption, for example in a thread break, in a controlled cleaner cut or on a supply bobbin change over a winding station of the winding unit in question to activate a working-own threading automatic.

Das heißt, der Spulstellenrechner sorgt dafür, dass, wie beispielsweise in der DE 40 05 752 A1 beschrieben, zunächst eine so genannte Saugdüse mit ihrer Mündung an die Oberfläche der langsam gegen die Wickelrichtung drehenden Auflaufspule angelegt und mit Unterdruck beaufschlagt wird.That is, the Spulstellenrechner ensures that, such as in the DE 40 05 752 A1 described, first applied a so-called suction nozzle with its mouth to the surface of the slowly rotating against the winding direction of the package winding and subjected to negative pressure.

Die Saugdüse versucht dabei, mit ihrer Mündung das Fadenende des Oberfadens von der Oberfläche der als Kreuzspule ausgebildeten Auflaufspule aufzunehmen.The suction nozzle attempts to record with its mouth the yarn end of the upper thread from the surface of the package designed as a cross-wound bobbin.

Nach dem Erfassen des Oberfadenendes schwenkt die Saugdüse in ihre Ausgangslage, in der die Mündung der Saugdüse unterhalb einer Fadenspleirsvorrichtung positioniert ist, zurück.After detecting the upper thread end, the suction nozzle pivots back to its original position, in which the mouth of the suction nozzle is positioned below a yarn ply device.

Der sich zwischen der Kreuzspule und der Saugdüse erstreckende Fadenstrang wird dabei in einen oberhalb der Fadenverbindungsvorrichtung angeordneten elektronischen Reiniger, eine in diesem Bereich positionierte Klemm- und Schneideinrichtung sowie, durch entsprechende Leitkonturen von Fadenleitblechen und Fadenleitbügeln geführt, in die Schere einer unterhalb der Spleißvorrichtung befindlichen Schneideinrichtung eingezogen.The yarn strand extending between the cross-wound bobbin and the suction nozzle is placed in an electronic cleaner arranged above the yarn joining device, a clamping and cutting device positioned in this region and, by means of corresponding guide contours of Thread guide plates and Fadenleitbügeln out, fed into the shears of a cutting device located below the splicer.

Nahezu gleichzeitig mit der Saugdüse schwenkt ein in einer unteren Ausgangslage positioniertes Greiferrohr in eine obere Arbeitsstellung und bringt dabei einen bis dahin beispielsweise in einem Fadenspanner gehaltenen, von der Vorlagespule abgezogenen Unterfaden mit.Almost at the same time as the suction nozzle, a gripper tube positioned in a lower starting position pivots into an upper working position, bringing with it a lower thread that has been held until then, for example in a thread tensioner, drawn from the supply spool.

Beim Einschwenken des Greiferrohres in seine obere Arbeitsstellung gleitet der Unterfaden, der ebenfalls an entsprechenden Fadenleitkonturen geführt ist, in eine geöffnete Fadenklemme sowie eine geöffnete Schneideinrichtung. Unter- und Oberfaden werden anschließend auf die richtige Länge abgeschnitten, in so genannten Auflöseröhrchen vorbereitet und in der Fadenspleißeinrichtung miteinander verbunden.When swinging the gripper tube in its upper working position of the lower thread, which is also performed on corresponding Fadenleitkonturen slides in an open thread clamp and an open cutter. The lower and upper threads are then cut to the correct length, prepared in so-called Auflöseröhrchen and connected together in the Fadensleiißeinrichtung.

Das bedeutet, an den Arbeitsstellen eines Kreuzspulautomaten werden, um, zum Beispiel nach einem Fadenbruch, den Betrieb automatisch fortführen zu können, stets sowohl ein von der Kreuzspule zurückgeholter Oberfaden als auch ein von der Vorlagespule kommender Unterfaden benötigt.This means that at the workstations of a cheese winder, in order, for example, to be able to continue the operation automatically after a yarn breakage, both an upper thread taken back from the cheese and a bobbin thread coming from the supply bobbin are always required.

Die vorbeschriebenen Fadenverbindungsautomatiken haben sich in der Praxis bewährt und sind in der Textilindustrie seit langer Zeit in großer Stückzahl im Einsatz.The above-described automatic yarn binding devices have proven themselves in practice and have been used in the textile industry in large quantities for a long time.

Bei diesen bekannten Einrichtungen treten allerdings gelegentlich Schwierigkeiten bei der Aufnahme des Oberfadenendes von der Oberfläche der Auflaufspule auf.In these known devices, however, occasionally encounter difficulties in receiving the upper thread end of the surface of the package.

Diese Schwierigkeiten ergeben sich insbesondere dann, wenn das auf die Kreuzspule aufgelaufene Fadenende weit am Rande der Kreuzspule aufgelaufen ist und dabei eventuell auch noch relativ stark eingewalkt wurde.These difficulties arise in particular when the accumulated on the cross-wound yarn end has accumulated far at the edge of the cheese and possibly also was relatively severally infiltrated.

In solchen Fällen ist die Saugkraft der bekannten Saugdüsen, besonders in den Randbereichen ihrer relativ breiten Mündung, oftmals nicht ausreichend, um das Fadenende des Oberfadens sicher von der Oberfläche der Auflaufspule aufzunehmen.In such cases, the suction force of the known suction nozzles, especially in the edge regions of their relatively wide mouth, is often insufficient to securely receive the yarn end of the upper thread from the surface of the package.

Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Saugdüse zu entwickeln, die so ausgebildet ist, dass ein auf die Kreuzspule aufgelaufenes Fadenende eines Oberfadens sicherer gehandhabt werden kann.Based on the aforementioned prior art, the present invention seeks to develop a suction nozzle, which is designed so that an accumulated on the cross-wound yarn end of an upper thread can be handled safely.

Das heißt, dass ein Fadenende auch dann noch zuverlässig aufgenommen werden kann, wenn das Fadenende im Randbereich der Auflaufspule aufgelaufen und eventuell eingewalkt ist.This means that a thread end can still be reliably picked up even if the thread end has accumulated in the edge region of the package and possibly eingealkt.

Diese Aufgabe wird erfindungsgemäß durch eine Saugdüse gelöst, wie sie im Anspruch 1 beschrieben ist.This object is achieved by a suction nozzle, as described in claim 1.

Vorteilhafte Ausgestaltungen der erfindungsgemäßen Saugdüse sind Gegenstand der Unteransprüche.Advantageous embodiments of the suction nozzle according to the invention are the subject of the dependent claims.

Die erfindungsgemäße Saugdüse hat den Vorteil, dass der innerhalb der Saugdüse wirksame Saugluftstrom, insbesondere auch im Bereich der Eingangsöffnung, verstärkt auf die seitlichen Randbereiche der Eingangsöffnung der Saugdüse konzentriert und damit in den Problemzonen der Auflaufspule intensiver wirksam wird.The suction nozzle according to the invention has the advantage that the effective suction air flow within the suction nozzle, especially in the region of the inlet opening, concentrated concentrated on the lateral edge regions of the inlet opening of the suction nozzle and thus becomes more effective in the problem areas of the package.

Das heißt, durch die Profilierung wird dieser Abschnitt der Saugdüse in zwei seitliche Querschnittsbereiche und einen dazwischen angeordneten, mittleren Querschnittsbereich aufgeteilt, wobei der Luftdurchsatz im Bereich der seitlichen Querschnittsbereiche, nicht zuletzt aufgrund ihrer in weiten Bereichen größeren Höhe, über dem Luftdurchsatz des mittleren Querschnittsbereiches liegt.That is, by the profiling, this section of the suction nozzle is divided into two lateral cross-sectional areas and an intermediate cross-sectional area arranged therebetween, the air flow in the region of the lateral cross-sectional areas, not least because of their far greater height, above the air flow rate of the central cross-sectional area ,

Wie im Anspruch 2 dargelegt, ist die Profilierung vorzugsweise Bestandteil eines Saugdüsendeckels, der, beispielsweise über Schraubenbolzen, mit einem Saugdüsenfuß verbunden ist.As set forth in claim 2, the profiling is preferably part of a Saugdüsendeckels, which is connected, for example via bolts, with a Saugdüsenfuß.

Eine solche Ausführungsform lässt sich durch Spritz- oder Druckgussteile kostengünstig realisieren.Such an embodiment can be realized inexpensively by injection or pressure casting.

Das heißt, diese in entsprechenden Urformwerkzeugen gefertigten Bauteile können mittels z. B. Schraubenbolzen oder dgl. schnell und problemlos zu einer erfindungsgemäßen Saugdüse zusammengefügt werden.That is, these manufactured in the corresponding original tools components can be replaced by z. B. bolts or the like. Can be assembled quickly and easily to a suction nozzle according to the invention.

Entsprechende Versuche haben ergeben, dass eine besonders vorteilhafte Ausführungsform der Saugdüse gegeben ist, wenn, wie im Anspruch 3 dargelegt, die Höhe der seitlichen Querschnittsbereiche und die Höhe des mittleren Querschnittsbereiches mit wachsendem Abstand zum Eingangsbereich der Saugdüse größer wird.Corresponding experiments have shown that a particularly advantageous embodiment of the suction nozzle is given if, as set forth in claim 3, the height of the lateral cross-sectional areas and the height of the central cross-sectional area increases with increasing distance to the inlet region of the suction nozzle.

Auf diese Weise erhält man im Bereich der Eingangsöffnung insgesamt eine relativ starke Saugwirkung, durch die das Fadenende aufgenommen wird, während der in die Saugdüse eingesaugte Faden innerhalb der Saugdüse relativ schonend behandelt wird.In this way, one obtains a relatively strong suction in the region of the inlet opening, through which the thread end is received, while the suctioned into the suction nozzle thread is treated relatively gently within the suction nozzle.

Gemäß Anspruch 4 weist die Saugdüse in ihrem endseitigen Bereich Luftführungsflächen auf, die vorteilhafterweise einstückig an den Saugdüsendeckel angeformt sind.According to claim 4, the suction nozzle in its end region on air guide surfaces, which are advantageously integrally formed on the Saugdüsendeckel.

Durch solche Luftführungsflächen lässt sich auf einfache Weise eine definierte Saugluftströmung in der Saugdüse erzielen.By such air guide surfaces can be achieved in a simple manner, a defined suction air flow in the suction nozzle.

Das heißt, Luftverwirbelungen, die auch den aufgenommenen Faden negativ beeinflussen würden, werden weitestgehend vermieden.That is, air turbulence, which would also adversely affect the recorded thread, are largely avoided.

Durch die im Anspruch 5 beschriebene Ausbildung der Saugdüse, bei der der Saugdüsenkopf im Bereich der Eingangöffnung mit einer Kammleiste ausgestattet ist, wird die Güte der Arbeitsleistung der Saugdüse bei der Fadenendaufnahme weiter verbessert.Due to the design of the suction nozzle described in claim 5, in which the suction nozzle head is equipped in the region of the inlet opening with a comb strip, the quality of the Performance of the suction nozzle at the thread end recording further improved.

Die Kammleiste sorgt beispielsweise beim Zurückschwenken der Saugdüse dafür, dass zum Beispiel Schlaufen, die eventuell im aufgenommenen Faden vorhanden sind, ausgekämmt werden, so dass beim anschließenden Fadenverbindungsvorgang stets nur ein Einzelfaden vorliegt.The comb strip, for example, when pivoting back the suction nozzle ensures that, for example, loops, which may be present in the recorded thread, are combed out, so that there is always only a single thread during the subsequent yarn joining process.

Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles erläutert.The invention will be explained with reference to an embodiment shown in the drawings.

Es zeigen:

Fig. 1
schematisch eine Spulstelle einer Kreuzspulen herstellenden Textilmaschine mit einer erfindungsgemäßen Saugdüse,
Fig. 2
eine perspektivische Ansicht des Saugdüsenkopfes einer erfindungsgemäßen Saugdüse,
Fig. 3
den Saugdüsenkopf gemäß Schnitt III-III in der Fig.2,
Fig. 4
den Saugdüsenkopf gemäß Schnitt IV-IV in der Fig.2.
Show it:
Fig. 1
schematically a winding unit of a cheese-producing textile machine with a suction nozzle according to the invention,
Fig. 2
a perspective view of the suction nozzle head of a suction nozzle according to the invention,
Fig. 3
the suction nozzle head according to section III-III in the Fig.2 .
Fig. 4
the suction nozzle head according to section IV-IV in the Fig.2 ,

In Fig. 1 ist in Seitenansicht schematisch eine Arbeitsstelle 2 einer Kreuzspulen herstellenden Textilmaschine, im Ausführungsbeispiel ein so genannter Kreuzspulautomaten 1, dargestellt.In Fig. 1 is a side view schematically a job 2 of a cheese-producing textile machine, in the embodiment, a so-called cross-winding machine 1, shown.

Auf den Arbeitsstellen 2 derartiger Kreuzspulautomaten 1 werden, wie bekannt und daher nicht näher erläutert, die auf Ringspinnmaschinen produzierten Spinnkopse 3 zu großvolumigen Kreuzspulen 5 umgespult.As is known and therefore not explained in more detail, the spinning rings 3 produced on ring spinning machines are rewound to large-volume cheeses 5 on the workstations 2 of such automatic winder 1.

Die Kreuzspulen 5 werden nach ihrer Fertigstellung mittels eines (nicht dargestellten) selbsttätig arbeitenden Serviceaggregates, vorzugsweise eines Kreuzspulenwechslers, auf eine maschinenlange Kreuzspulentransporteinrichtung 7 übergeben und zu einer maschinenendseitig angeordneten Spulenverladestation oder dergleichen transportiert.The cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a cheese changer, handed over to a machine-length cheese package transport means 7 and transported to a machine end side Spulenverladestation or the like.

Solche Kreuzspulautomaten 1 weisen in der Regel außerdem eine Logistikeinrichtung in Form eines Spulen- und Hülsentransportsystems 6 auf. In diesem Spulen- und Hülsentransportsystem 6 laufen die Spinnkopse 3 beziehungsweise Leerhülsen auf Transporttellern 11 um. Vom Hülsentransportsystem 6 sind in der Fig. 1 lediglich die Kopszuführstrecke 24, die reversierend antreibbare Speicherstrecke 25, eine der zu den Spulstellen 2 führenden Quertransportstrecken 26 sowie die Hülsenrückführstrecke 27 dargestellt.As a rule, such automatic packages 1 also have a logistics device in the form of a package and tube transport system 6. In this coil and sleeve transport system 6, the spinning cops 3 or empty tubes run on transport plates 11. From the sleeve transport system 6 are in the Fig. 1 only the Kopszuführstrecke 24, the reversibly driven storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.

Jede Arbeitsstelle 2 des Kreuzspulautomaten 1 weist einen Arbeitsstellenrechner 28, der über eine Busverbindung 29 an eine zentrale Steuereinheit 30 des Kreuzspulautomaten 1 angeschlossen ist, sowie verschiedene weitere Einrichtungen auf, die für einen ordnungsgemäßen Betrieb der Arbeitsstellen 2 notwendig sind.Each workstation 2 of the automatic winder 1 has a workstation computer 28, which is connected via a bus connection 29 to a central control unit 30 of the cheese-winder 1, as well as various other devices which are necessary for the proper operation of the workstations 2.

Eine dieser an sich bekannten Einrichtungen ist beispielsweise die Spulvorrichtung 4. Eine solche Spulvorrichtung 4 verfügt über einen Spulenrahmen 8, der um eine Schwenkachse 12 beweglich gelagert ist.One of these devices known per se is, for example, the winding device 4. Such a winding device 4 has a coil frame 8 which is movably mounted about a pivot axis 12.

Wie in Fig. 1 angedeutet, liegt die im Spulenrahmen 8 frei rotierbar gehalterte Kreuzspule 5 während des Spulbetriebes mit ihrer Oberfläche auf einer Stütz- und Antriebswalze 9 auf, die durch einen Elektromotor 33 beaufschlagt wird. Der Elektromotor 33 ist dabei über eine Steuerleitung 35 an den Arbeitsstellenrechner 28 angeschlossen.As in Fig. 1 indicated in the creel 8 freely rotatably supported cross-wound bobbin 5 during the winding operation with its surface on a support and drive roller 9, which is acted upon by an electric motor 33. The electric motor 33 is connected via a control line 35 to the workstation computer 28.

Zur Changierung des Fadens 16 während des Spulprozesses ist eine Fadenchangiereinrichtung 10 vorgesehen. Eine solche, in der Fig. 1 lediglich schematisch angedeutete Fadenchangiereinrichtung 10 besteht beispielsweise aus einem Fingerfadenführer 13, der, durch einen elektromotorischen Antrieb 14 beaufschlagt, den auf die Kreuzspule 5 auflaufenden Faden 16 zwischen den Stirnseiten der Kreuzspule 5 traversiert. Über eine Steuerleitung 15 steht der Fadenführerantrieb 14 dabei mit dem Arbeitsstellenrechner 28 in Wirkverbindung.For traversing the thread 16 during the winding process a Fadenchangiereinrichtung 10 is provided. Such, in the Fig. 1 merely diagrammatically indicated Fadenchangiereinrichtung 10 consists for example of a finger thread guide 13, which, acted upon by an electric motor drive 14, traversing the accumulating on the cheese 5 thread 16 between the end faces of the cheese 5 traversed. Via a control line 15, the thread guide drive 14 is in operative connection with the workstation computer 28.

Solche Arbeitsstellen 2 verfügen außerdem über eine Fadenverbindungseinrichtung 42, vorzugsweise eine pneumatische Spleißeinrichtung, ein Greiferrohr 43 zum Handhaben des Unterfadens sowie über eine erfindungsgemäße Saugdüse 17, mit der der auf die Kreuzspule 5 aufgelaufenen Oberfaden aufgenommen und in die Fadenverbindungseinrichtung 42 eingelegt werden kann.Such jobs 2 also have a thread connecting device 42, preferably a pneumatic splicing device, a gripper tube 43 for handling the lower thread and a suction nozzle 17 according to the invention, with which the accumulated on the cheese 5 and the upper thread can be inserted into the thread connecting device 42.

Die Saugdüse 17 weist dabei einen strömungsoptimierten Saugdüsenkopf 18 auf, dessen spezielle Form nachfolgend anhand der Figuren 2 - 4 erläutert wird.The suction nozzle 17 in this case has a flow-optimized suction nozzle head 18 whose specific shape is described below with reference to FIG Figures 2-4 is explained.

Die Fig. 2 zeigt eine perspektivische Ansicht des erfindungsgemäßen Saugdüsenkopfes 18, der im Wesentlichen aus einem Saugdüsenfuß 39 sowie einem Saugdüsendeckel 37 besteht, die über Schraubenbolzen 38 oder dgl. verbunden sind.The Fig. 2 shows a perspective view of the suction nozzle head 18 according to the invention, which consists essentially of a suction nozzle 39 and a Saugdüsdeckel 37, which are connected by bolts 38 or the like.

Der Saugdüsenfuß 39 weist in seinem endseitigen Bereich einen Anschlussstutzen 36 auf, der in einem Schwenkrohr der Saugdüse 17 festgelegt ist.The Saugdüsenfuß 39 has in its end region on a connecting piece 36 which is fixed in a pivot tube of the suction nozzle 17.

Der Saugdüsendeckel 37 verfügt über eine nach innen gerichtete Profilierung 34, die so in den lichten Querschnitt der Saugdüse 17 ragt, dass im Bereich des Abschnittes 20 der Saugdüse 17 seitliche Querschnittsbereiche 21 und ein mittlerer Querschnittsbereich 22 entstehen.The suction nozzle cover 37 has an inwardly directed profiling 34, which protrudes into the clear cross section of the suction nozzle 17 in such a way that lateral cross-sectional areas 21 and a central cross-sectional area 22 are formed in the region of the section 20 of the suction nozzle 17.

Endseitig sind an den Saugdüsendeckel 37 Luftleitflächen 40 angeformt, die für eine definierte Luftführung sorgen.At the end 37 air guide surfaces 40 are formed on the Saugdüsendeckel, which provide a defined air flow.

Wie in den Figuren 3 und 4 angedeutet, weisen die seitlichen Querschnittsbereiche 21 im überwiegenden Teil des Abschnitts 20 eine Höhe H auf, die jeweils deutlich über der Höhe h des benachbarten mittleren Querschnittsbereichs 22 liegt.As in the Figures 3 and 4 indicated, the lateral cross-sectional areas 21 in the majority of the portion 20 to a height H, which is in each case significantly above the height h of the adjacent central cross-sectional area 22.

Vor dem Abschnitt 20 der Saugdüse 17 ist ein Eingangsbereich 19 mit einer Eingangsöffnung 23 angeordnet.In front of the section 20 of the suction nozzle 17, an inlet region 19 with an inlet opening 23 is arranged.

Die Eingangsöffnung 23 wird dabei von einer Kammleiste 41 umschlossen, die beim Zurückschwenken der Saugdüse 17 eventuelle Schlaufen aus dem aufgenommenen Faden 16 kämmt.The inlet opening 23 is thereby enclosed by a comb strip 41 which meshes with the swiveling back of the suction nozzle 17 any loops from the recorded thread 16.

Claims (5)

  1. Suction nozzle (17) for a workstation (2) of a textile machine (1) producing cross-wound bobbins (5), which can be loaded with negative pressure and is pivotably mounted in such a way that an inlet opening on the suction nozzle head (18) of the suction nozzle (17) can be positioned to receive a thread end, which has run onto the cross-wound bobbin (5), in the region of the surface of the cross-wound bobbin (5) rotatably held in a creel (8),
    characterised in that
    a front inlet region (19) having the inlet opening (23) is adjoined by a section (20) of the suction nozzle head (18), which has a profiling (34) projecting into the inside cross-section of the section (20),
    in that the profiling (34) divides the section (20) into two lateral cross-sectional regions (21) and a central cross-sectional region (22) arranged in between, and in that the lateral cross-sectional regions (21), in the main part of the section (20) have a height (H), which is in each case significantly above the height (h) of the adjacent central cross-sectional region (22).
  2. Suction nozzle according to claim 1, characterised in that the profiling (34) is a component of a suction nozzle cover (37) which is connected to a suction nozzle foot (39) by means of screw bolts (38), for example.
  3. Suction nozzle according to claim 1 and 2, characterised in that the height (H) of the lateral cross-sectional regions (21) and the height (h) of the central cross-sectional region (22) become greater with an increasing spacing from the inlet region (19).
  4. Suction nozzle according to claim 2, characterised in that the suction nozzle cover (37) has air guide faces (40) in its end region.
  5. Suction nozzle according to claim 1 and 2, characterised in that the suction nozzle head (18) is equipped with a comb strip (41) in the region of the inlet opening (23).
EP07786184A 2006-08-24 2007-07-19 Suction nozzle for a workstation of a textile machine which produces crosswound bobbins Not-in-force EP2066577B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006039735A DE102006039735A1 (en) 2006-08-24 2006-08-24 Suction nozzle for a job of a cheese-producing textile machine
PCT/EP2007/006412 WO2008022676A1 (en) 2006-08-24 2007-07-19 Suction nozzle for a workstation of a textile machine which produces crosswound bobbins

Publications (2)

Publication Number Publication Date
EP2066577A1 EP2066577A1 (en) 2009-06-10
EP2066577B1 true EP2066577B1 (en) 2010-01-06

Family

ID=38584142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07786184A Not-in-force EP2066577B1 (en) 2006-08-24 2007-07-19 Suction nozzle for a workstation of a textile machine which produces crosswound bobbins

Country Status (5)

Country Link
EP (1) EP2066577B1 (en)
CN (1) CN101506075B (en)
AT (1) ATE454349T1 (en)
DE (2) DE102006039735A1 (en)
WO (1) WO2008022676A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008026777A1 (en) * 2008-06-04 2009-12-10 Oerlikon Textile Gmbh & Co. Kg Suction nozzle for workplace of textile machine, has movably supported cover device for partially covering suction opening, where cover device is positionably defined by suction opening and designed as swiveling cover
DE102010049435A1 (en) * 2010-10-23 2012-04-26 Oerlikon Textile Gmbh & Co. Kg Workstation of a winder
DE102011114769A1 (en) * 2011-10-01 2013-04-04 Oerlikon Textile Gmbh & Co. Kg Suction nozzle for a job of a cheese-producing textile machine
DE102011114765A1 (en) * 2011-10-01 2013-04-04 Oerlikon Textile Gmbh & Co. Kg Comb strip for a suction nozzle of a workstation of a cheese-producing textile machine
DE102013011664A1 (en) * 2013-07-11 2015-01-15 Saurer Germany Gmbh & Co. Kg Workplace of a cheese-producing textile machine
CN104555602B (en) * 2013-10-09 2017-07-11 江苏凯宫机械股份有限公司 The cylinder yarn absorption accessory system of structure optimization
JP2015157669A (en) * 2014-02-24 2015-09-03 村田機械株式会社 Yarn end capture device and yarn winder
DE102015005392A1 (en) * 2015-04-28 2016-11-03 Saurer Germany Gmbh & Co. Kg Working place of a winding machine producing textile machine
DE102015005393A1 (en) * 2015-04-28 2016-11-03 Saurer Germany Gmbh & Co. Kg Workplace of a package winding textile machine

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Publication number Priority date Publication date Assignee Title
DE960618C (en) * 1953-11-03 1957-03-21 Reiners Walter Dr Ing Suction nozzle on winding machines for detecting, searching for, lifting or the like of thread ends
US2857113A (en) * 1953-11-03 1958-10-21 Reiners Walter Dr Ing Suction nozzle for catching thread ends
DE1147156B (en) * 1959-05-15 1963-04-11 Schweiter Ag Maschf Suction nozzle for locating and capturing thread ends on a winding machine
CH651812A5 (en) * 1981-07-24 1985-10-15 Schweiter Ag Maschf DEVICE FOR REMOVING YARNS FROM TEXTILE REELS.
IT1229739B (en) * 1989-05-16 1991-09-07 Savio Spa PROCEDURE FOR THE REALIZATION OF COMBS TO BE APPLIED TO SUCTION VENTS FOR THE COLLECTION OF THE BAND OF YARNS WRAPPED IN PACKAGING AND PERFECTED COMBS SO OBTAINED.
DE4004028C2 (en) * 1990-02-10 2001-06-07 Schlafhorst & Co W Method and device for forming a thread reserve on a package
DE4005752C2 (en) * 1990-02-23 1998-10-08 Schlafhorst & Co W Method and device for preparing thread ends to be spliced
DE19650933A1 (en) * 1996-12-07 1998-06-10 Schlafhorst & Co W Winding unit of a textile machine producing cross-wound bobbins
DE19955396A1 (en) * 1999-11-18 2001-05-23 Rieter Ag Maschf Spinning machine with sliver compacting drafting system includes waste suction tube directed at exit between compacting roll and nip roll
DE10139074B4 (en) * 2001-08-09 2009-11-12 Oerlikon Textile Gmbh & Co. Kg Open-end rotor spinning machine
DE10206288A1 (en) * 2002-02-15 2003-08-28 Schlafhorst & Co W Textile machine work-station for cross-wound bobbin, has support roller and bobbin swivel arm lifted during break repair
DE102005014887A1 (en) * 2005-04-01 2006-10-05 Saurer Gmbh & Co. Kg Cheese making textile machine

Also Published As

Publication number Publication date
EP2066577A1 (en) 2009-06-10
ATE454349T1 (en) 2010-01-15
WO2008022676A1 (en) 2008-02-28
DE102006039735A1 (en) 2008-02-28
DE502007002586D1 (en) 2010-02-25
CN101506075B (en) 2012-04-25
CN101506075A (en) 2009-08-12

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