EP1613799A1 - Drive for heald frames of a loom - Google Patents

Drive for heald frames of a loom

Info

Publication number
EP1613799A1
EP1613799A1 EP04726143A EP04726143A EP1613799A1 EP 1613799 A1 EP1613799 A1 EP 1613799A1 EP 04726143 A EP04726143 A EP 04726143A EP 04726143 A EP04726143 A EP 04726143A EP 1613799 A1 EP1613799 A1 EP 1613799A1
Authority
EP
European Patent Office
Prior art keywords
housing
oil
drive
drive according
cooling
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
EP04726143A
Other languages
German (de)
French (fr)
Other versions
EP1613799B1 (en
Inventor
Dirk Sampers
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.)
Picanol NV
Original Assignee
Picanol NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP1613799A1 publication Critical patent/EP1613799A1/en
Application granted granted Critical
Publication of EP1613799B1 publication Critical patent/EP1613799B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/003—Devices for lubricating machine parts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0683—Arrangements or means for the linking to the drive system
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/008—Cooling systems

Definitions

  • the invention relates to a drive for heald frames of a loom with drive elements which convert rotational movements into linear movements and which are arranged in a housing which receives a lever system which transmits the linear movements as up and down movements to the heald frames.
  • a drive of the type mentioned at the outset is subjected to non-uniform loads because it has to raise and lower the heald frames during a weaving cycle. This places a considerable load on the drive motor, especially if the drive motor is independent of the main drive motor of the weaving machine.
  • the invention has for its object to design a drive of the type mentioned in such a way that the drive motor is not overloaded.
  • the drive is provided with one or more cooling channels which are connected to an area of the housing which is used to hold an oil bath.
  • the oil in the oil bath which serves as lubricant for the drive elements arranged in the housing of the drive, is advantageously used for cooling.
  • the risk is avoided that the housing and thus also the drive elements are heated up unevenly, so that thermal deformations are avoided, which could otherwise lead to alignment problems, particularly with regard to drive rods or bearings.
  • an oil supply line leading to the drive motor is connected to an oil pump.
  • an oil pump can advantageously be provided, which supplies the bearing points or articulation points of the drive element arranged in the housing with oil, in particular by spraying on oil.
  • the housing extends from one side of the weaving machine to the opposite side, that the drive motor is attached in the region of one end of the housing, and that an oil return line opens into the housing in the region of the other end. This ensures that the housing and the drive elements accommodated therein are heated as uniformly as possible by means of the heat given off by the drive motor.
  • the housing is preferably provided with cooling fins or cooling elements in the vicinity of its base.
  • an oil cooler is arranged in the oil return line. The oil cooler preferably cools with a liquid coolant, in particular cooling water.
  • the housing if appropriate with the drive motor, with the oil pump, with the oil supply line and with the oil return line, is designed as a unit which can be attached to a weaving machine.
  • This assembly is, for example, prefabricated by a manufacturer and then attached to a weaving machine as an assembly. If the attachment is carried out using damping elements, it is ensured that no vibrations or oscillations are transmitted back and forth between the shaft drive and the weaving machine.
  • FIG. 1 shows a perspective view of a drive according to the invention with a schematically illustrated oil cooling for the drive motor
  • FIG. 2 shows a section along the line II-II of FIG. 1
  • FIG. 3 shows a section, similar to FIG. 2, through a modified embodiment
  • FIG. 5 shows a partially sectioned view through an embodiment similar to FIG. 3 with a cooling device and 6 is a partial section on an enlarged scale through the housing of FIG. 5th
  • the shaft drive shown in FIGS. 1 and 2 has an elongated housing 10.
  • the housing 10 extends with a part which has a substantially rectangular cross section between the side parts 11, 12 of a weaving machine.
  • the housing 10 In an area lying outside a side part, for example the left side part 11, the housing 10 has an enlarged area 13.
  • a drive shaft 14 In this area 13 a drive shaft 14 is accommodated, which is connected via a lever system 15 to transmission elements 16 which are in the area between the side parts 11, 12 protrude upward from the housing 10 and are connected to heald frames 17 which are driven to move up and down.
  • the drive shaft 14 is driven by means of a drive motor 18 which is independent of a main drive motor of a weaving machine and which is flanged to a gear housing 19 which in turn is flanged to the housing 10 in the enlarged area outside the side part 11.
  • the gear housing 19 contains a gear stage that connects the drive motor 18 to the drive shaft 14.
  • the gear housing 19 can also be in one piece with the housing 10.
  • the housing 10 is sealed overall and receives an oil bath 20. Sealing elements 21 are located in the area of the transmission elements 16, which ensure that, on the one hand, no dust penetrates into the housing 10 and, on the other hand, no oil gets into the area of the resulting tissue.
  • an oil cooling is provided for it, which uses the oil of the oil bath 20.
  • an oil pump 22 is connected, which is connected via an oil supply line 23 to one or more cooling ducts surrounding the drive motor in a jacket-like manner.
  • An oil return line 24 connects to these cooling channels of the drive motor 18, through which the oil is returned to the housing 10 and into the oil bath 20 after leaving the drive motor 18.
  • This oil return line 24 opens into the area of the end of the housing 10 opposite the enlarged area 13.
  • an oil cooler 25 is provided within the oil return line, which cools the oil flowing back from the drive motor 18.
  • the oil pump 22 is also expediently used to supply the oil as a lubricant to the individual bearing elements of the lever system 15 of the shaft drive, as is indicated by the line 26 in FIG. 1.
  • the oil return line 24 can be connected to this line, so that the bearing points of the drive means are lubricated with heated oil.
  • the entire shaft drive is designed as a prefabricated structural unit, which as such can be attached to a weaving machine.
  • fastening flanges 27, 28 are provided on the housing 10, with which the structural unit can be fastened to the side parts 11, 12 of the weaving machine.
  • the oil pump 22 is then arranged in particular within the housing 10. It is expediently connected to the drive shaft 14 by means of a gear stage, so that the drive motor 18 also drives the oil pump.
  • the shaft drive according to FIG. 1 is only shown as an example.
  • the drive shaft 14 is driven directly by the drive motor 18.
  • the drive motor 18 can also on the front side or the top or the opposite Side of the enlarged portion 13 of the housing 10 are attached. If necessary, a deflection gear stage is provided by means of bevel gears.
  • the invention is particularly intended to prevent the housing 10, which is located below the warp threads, from acting as a type of heating element. Due to the effect as a radiator, the warp threads above the housing could otherwise be dried, which could have an adverse effect on the weaving process and the fabric obtained. In order to avoid the effect as a radiator, as little oil as possible should be present in the housing 10, i.e. only enough oil to achieve the lubricating effect. In addition, this oil, which lubricates the bearing elements of the lever system, should preferably be cooled.
  • an oil bath 20 ' is limited to the area 13 of the housing 10 which is located outside the side parts 11, 12 of the weaving machine.
  • the housing 10 has a deeper bottom than in the area between the side parts 11, 12.
  • only one groove 31 is provided in the bottom of the housing 10, which as Return to the oil bath 20 'is used.
  • an oil cooler 25 is arranged, which supplies 32 spray nozzles 33 with cooled oil to supply points of the lever system 15 via supply lines 32 shown in broken lines. The sprayed, cooled oil flows back via the groove 31 to the oil bath of the area 13 of the housing 10.
  • the groove 31 is a rib projecting downward from the bottom of the housing 10. Because of this shape, the channel also acts as a cooling fin. 3 and 4, the housing 10 is fastened to the side parts 11, 12 of the weaving machine by means of damping elements 34, 35, which thus also thermally separate the housing 10 from the side parts 11, 12.
  • several independent drive motors are provided for the drive, each of which is assigned to a number of heald frames or in each case to an individual heald frame. At least one of the plurality of these drive motors and preferably all of these drive motors are cooled in the manner explained above.
  • FIG. 5 and 6 show an embodiment similar to FIG. 3, in which a cooling channel 40 is provided in the area of the bottom of the housing 10, which surrounds the grooves 31 in this exemplary embodiment.
  • a coolant flow is generated in this cooling channel 40. That can be chilled air. The air is preferably blown through the cooling channel 40 by means of a blower. However, it is also possible to generate a convection flow.
  • a liquid coolant is passed through the cooling channel 40. This liquid coolant, in particular cooling water, can be supplied by means of a pump.
  • a plurality of channels 31 are expediently provided in the bottom of the housing 10, preferably in the form of profiles which protrude into the cooling channel 40. This makes it possible to enlarge the cooling surface.
  • the cooling channel 40 is formed by the bottom of the housing 10 and a profile 41 attached to it.
  • the cooling fluid - air or cooling water - flows in the cooling channel from a side part 12 to the side part 11.
  • the cooling fluid is removed in the area of the side part 11, through a cooler 42. performed and fed back in the area of the other side part 12.
  • the cooling device 42 can optionally also include a cooling unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Woven Fabrics (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The invention relates to a drive for heald frames (17), comprising a drive motor (18) which is disposed on a housing (10) containing the drive element and a lever system (15). The drive motor is provided with one or several cooling channels which are connected to an area of the housing (10) which is formed in order to receive an oil bath.

Description

Beschreibung Antrieb für Webschäfte einer Webmaschine Description Drive for heald frames of a weaving machine
Die Erfindung betrifft einen Antrieb für Webschäfte einer Webmaschine mit Antriebselementen, die Rotationsbewegungen in lineare Bewegungen umformen und die in einem Gehäuse angeordnet sind, das ein Hebelsystem aufnimmt, das die linearen Bewegungen als Auf- und Abbe- wegungen auf die Webschäfte überträgt.The invention relates to a drive for heald frames of a loom with drive elements which convert rotational movements into linear movements and which are arranged in a housing which receives a lever system which transmits the linear movements as up and down movements to the heald frames.
Ein Antrieb der eingangs genannten Art ist ungleichförmigen Belastungen ausgesetzt, da er die Webschäfte während eines Webzyklus anheben und absenken muss. Dies führt zu einer beträchtlichen Belastung des Antriebsmotors, insbesondere wenn der Antriebsmotor unabhängig von dem Hauptantriebsmotor der Webmaschine ist. Der Erfindung liegt die Aufgabe zugrunde, einen Antrieb der eingangs genannten Art so auszubilden, dass der Antriebsmotor nicht überlastet wird.A drive of the type mentioned at the outset is subjected to non-uniform loads because it has to raise and lower the heald frames during a weaving cycle. This places a considerable load on the drive motor, especially if the drive motor is independent of the main drive motor of the weaving machine. The invention has for its object to design a drive of the type mentioned in such a way that the drive motor is not overloaded.
Diese Aufgabe wird dadurch gelöst, dass der Antrieb ein oder mehrere Kühlkanäle vorgesehen sind, die an einen Bereich des Gehäuses ange- schlössen sind, der zur Aufnahme eines Ölbades dient. Das Öl des Ölbades, das als Schmiermittel für die in dem Gehäuse des Antriebs angeordneten Antriebselemente dient, wird in vorteilhafter Weise zur Kühlung herangezogen. Darüber hinaus wird die Gefahr vermieden, dass das Gehäuse und damit auch die Antriebselemente ungleich- mäßig aufgewärmt werden, so dass thermische Verformungen vermieden werden, die sonst zu Ausrichtungsproblemen insbesondere bezüglich Antriebsstangen oder Lagerungen führen könnten.This object is achieved in that the drive is provided with one or more cooling channels which are connected to an area of the housing which is used to hold an oil bath. The oil in the oil bath, which serves as lubricant for the drive elements arranged in the housing of the drive, is advantageously used for cooling. In addition, the risk is avoided that the housing and thus also the drive elements are heated up unevenly, so that thermal deformations are avoided, which could otherwise lead to alignment problems, particularly with regard to drive rods or bearings.
In Ausgestaltung der Erfindung wird vorgesehen, dass an dem Gehäuse ein Antriebsmotor ist, der mit einem Kühlkanal umgeben ist.In an embodiment of the invention it is provided that there is a drive motor on the housing which is surrounded by a cooling channel.
Um sicherzustellen, dass eine ausreichende Ölzufuhr zur Kühlung des Gehäuses und insbesondere des Antriebsmotors erhalten wird, wird in weiterer Ausgestaltung der Er indung vorgesehen, dass eine zu dem Antriebsmotor führende Ölzuführleitung an eine Ölpumpe angeschlossen ist. Dabei kann vorteilhaft eine Ölpumpe vorgesehen werden, die die Lagerstellen oder Gelenkstellen der in dem Gehäuse angeordneten Antriebselement mit Öl versorgt, insbesondere durch Aufsprühen von Öl.To ensure that a sufficient oil supply for cooling the housing and in particular the drive motor is obtained, in a further embodiment of the invention it is provided that an oil supply line leading to the drive motor is connected to an oil pump. In this case, an oil pump can advantageously be provided, which supplies the bearing points or articulation points of the drive element arranged in the housing with oil, in particular by spraying on oil.
In weiterer Ausgestaltung der Erfindung wird vorgesehen, dass das Gehäuse sich von einer Seite der Webmaschine zur gegenüberliegenden Seite erstreckt, dass der Antriebsmotor im Bereich eines Endes des Gehäuses angebracht ist, und dass eine Ölrücklaufleitung im Bereich des anderen Endes in das Gehäuse mündet. Damit wird erreicht, dass eine möglichst gleichmäßige Erwärmung des Gehäuses und der darin untergebrachten Antriebselemente mittels der von dem Antriebsmotor abgegebenen Wärme erhalten wird.In a further embodiment of the invention, it is provided that the housing extends from one side of the weaving machine to the opposite side, that the drive motor is attached in the region of one end of the housing, and that an oil return line opens into the housing in the region of the other end. This ensures that the housing and the drive elements accommodated therein are heated as uniformly as possible by means of the heat given off by the drive motor.
Um die Wärme abzuführen, wird bei einer Ausführungsform der Erfin- düng vorgesehen, dass das Gehäuse vorzugsweise in der Nähe seines Bodens mit Kühlrippen oder Kühlelementen versehen ist. Bei einer anderen Ausführungsform wird vorgesehen, dass in der Ölzuführleitung oder in der Ölrücklaufleitung ein Ölkühler angeordnet ist. Vorzugsweise kühlt der Ölkühler mit einem flüssigen Kühlmittel, insbesondere Kühlwasser.In order to dissipate the heat, it is provided in one embodiment of the invention that the housing is preferably provided with cooling fins or cooling elements in the vicinity of its base. In another embodiment it is provided that in the oil supply line or an oil cooler is arranged in the oil return line. The oil cooler preferably cools with a liquid coolant, in particular cooling water.
In weiterer Ausgestaltung der Er indung wird vorgesehen, dass das Gehäuse gegebenenfalls mit dem Antriebsmotor, mit der Ölpumpe, mit der Ölzuführleitung und mit der Ölrücklaufleitung als eine an eine Webmaschine anbaubare Baueinheit ausgebildet ist. Diese Baueinheit wird beispielsweise bei einem Hersteller vorgefertigt und dann als Baueinheit an einer Webmaschine angebracht. Wenn das Anbringen unter Verwendung von Dämpfungselementen erfolgt, so wird sichergestellt, dass zwischen dem Schaftantrieb und der Webmaschine keine Vibrationen oder Schwingungen hin- und herübertragen werden.In a further embodiment of the invention, it is provided that the housing, if appropriate with the drive motor, with the oil pump, with the oil supply line and with the oil return line, is designed as a unit which can be attached to a weaving machine. This assembly is, for example, prefabricated by a manufacturer and then attached to a weaving machine as an assembly. If the attachment is carried out using damping elements, it is ensured that no vibrations or oscillations are transmitted back and forth between the shaft drive and the weaving machine.
In den Zeichnungen sind Ausführungsbeispiele der Erfindung dargestellt.Exemplary embodiments of the invention are shown in the drawings.
Fig. 1 zeigt eine perspektivische Ansicht eines erfindungsgemäßen Antriebs mit einer schematisch dargestellten Ölkühlung für den Antriebsmotor,1 shows a perspective view of a drive according to the invention with a schematically illustrated oil cooling for the drive motor,
Fig. 2 einen Schnitt entlang der Linie ll-ll der Fig. 1FIG. 2 shows a section along the line II-II of FIG. 1
Fig. 3 einem Schnitt, ähnlich Fig. 2 durch eine abgewandelte Ausfüh- rungsform,3 shows a section, similar to FIG. 2, through a modified embodiment,
Fig. 4 einen Schnitt entlang der Linie IV-IV der Fig. 3,4 shows a section along the line IV-IV of FIG. 3,
Fig. 5 eine teilweise geschnittene Ansicht durch eine Ausführungs- form ähnlich Fig. 3 mit einer Kühleinrichtung und Fig. 6 einen Teilschnitt in vergrößertem Maß durch das Gehäuse der Fig. 5.5 shows a partially sectioned view through an embodiment similar to FIG. 3 with a cooling device and 6 is a partial section on an enlarged scale through the housing of FIG. 5th
Der in Fig. 1 und 2 dargestellte Schaftantrieb besitzt ein langgestrecktes Gehäuse 10. Das Gehäuse 10 erstreckt sich mit einem im wesentlichen einen rechteckigen Querschnitt aufweisenden Teil zwischen den Seitenteilen 11 , 12 einer Webmaschine. In einem außerhalb eines Seitenteils, beispielsweise des linken Seitenteils 11 liegenden Bereich besitzt das Gehäuse 10 einen vergrößerten Bereich 13. In diesem Bereich 13 ist eine Antriebswelle 14 untergebracht, die über ein Hebelsystem 15 mit Übertragungselementen 16 verbunden ist, die in dem Bereich zwischen den Seitenteilen 11 , 12 nach oben aus dem Gehäuse 10 herausragen und mit Webschäften 17 verbunden sind, die zu Auf- und Abbewegun- gen angetrieben werden.The shaft drive shown in FIGS. 1 and 2 has an elongated housing 10. The housing 10 extends with a part which has a substantially rectangular cross section between the side parts 11, 12 of a weaving machine. In an area lying outside a side part, for example the left side part 11, the housing 10 has an enlarged area 13. In this area 13 a drive shaft 14 is accommodated, which is connected via a lever system 15 to transmission elements 16 which are in the area between the side parts 11, 12 protrude upward from the housing 10 and are connected to heald frames 17 which are driven to move up and down.
Die Antriebswelle 14 wird mittels eines von einem Hauptantriebsmotor einer Webmaschine unabhängigen Antriebsmotor 18 angetrieben, der an ein Getriebegehäuse 19 angeflanscht ist, das seinerseits an das Gehäuse 10 in dem vergrößerten Bereich außerhalb des Seitenteils 11 an- geflanscht ist. Das Getriebegehäuse 19 enthält eine Getriebestufe, die den Antriebsmotor 18 mit der Antriebswelle 14 verbindet. Das Getriebegehäuse 19 kann auch mit dem Gehäuse 10 einteilig sein.The drive shaft 14 is driven by means of a drive motor 18 which is independent of a main drive motor of a weaving machine and which is flanged to a gear housing 19 which in turn is flanged to the housing 10 in the enlarged area outside the side part 11. The gear housing 19 contains a gear stage that connects the drive motor 18 to the drive shaft 14. The gear housing 19 can also be in one piece with the housing 10.
Das Gehäuse 10 ist insgesamt abgedichtet und nimmt ein Ölbad 20 auf. Im Bereich der Übertragungselemente 16 befinden sich Abdichtelemente 21 , die sicherstellen, dass einerseits kein Staub in das Gehäuse 10 eindringt und andererseits kein Öl in den Bereich des entstehenden Gewebes gelangt.The housing 10 is sealed overall and receives an oil bath 20. Sealing elements 21 are located in the area of the transmission elements 16, which ensure that, on the one hand, no dust penetrates into the housing 10 and, on the other hand, no oil gets into the area of the resulting tissue.
Da der Antriebsmotor 18 hohen Belastungen und insbesondere auch hohen thermischen Belastungen ausgesetzt ist, wird für ihn eine Ölküh- lung vorgesehen, die das Öl des Ölbades 20 benutzt. An das Ölbad 20 ist eine Ölpumpe 22 angeschlossen, die über eine Ölzuführleitung 23 mit einem oder mehreren den Antriebsmotor mantelartig umgebenden Kühlkanälen verbunden ist. An diese Kühlkanäle des Antriebsmotors 18 schließt eine Ölrücklaufleitung 24 an, durch die das Öl nach Verlassen des Antriebsmotors 18 zu dem Gehäuse 10 und in das Ölbad 20 zurückgeführt wird. Diese Ölrücklaufleitung 24 mündet in dem dem vergrößerten Bereich 13 gegenüberliegenden Bereich des Endes des Gehäuses 10. Bei dem Ausführungsbeispiel ist innerhalb der Ölrücklaufleitung ein Ölkühler 25 vorgesehen, der das von dem Antriebsmotor 18 zurück- fließende Öl kühlt.Since the drive motor 18 is exposed to high loads and in particular also high thermal loads, an oil cooling is provided for it, which uses the oil of the oil bath 20. To the oil bath 20 an oil pump 22 is connected, which is connected via an oil supply line 23 to one or more cooling ducts surrounding the drive motor in a jacket-like manner. An oil return line 24 connects to these cooling channels of the drive motor 18, through which the oil is returned to the housing 10 and into the oil bath 20 after leaving the drive motor 18. This oil return line 24 opens into the area of the end of the housing 10 opposite the enlarged area 13. In the exemplary embodiment, an oil cooler 25 is provided within the oil return line, which cools the oil flowing back from the drive motor 18.
Die Ölpumpe 22 wird zweckmäßiger Weise auch dazu ausgenutzt, dass das Öl als Schmiermittel den einzelnen Lagerelementen des Hebelsystems 15 des Schaftantriebs zugeführt wird, wie das mit der Leitung 26 in Fig. 1 angedeutet ist. Wie in Fig. 1 mit gestrichelter Linie angedeutet ist, kann die Ölrücklaufleitung 24 mit dieser Leitung verbunden sein, so dass die Lagerstellen der Antriebsmittel mit erwärmten Öl geschmiert werden.The oil pump 22 is also expediently used to supply the oil as a lubricant to the individual bearing elements of the lever system 15 of the shaft drive, as is indicated by the line 26 in FIG. 1. As indicated by the broken line in FIG. 1, the oil return line 24 can be connected to this line, so that the bearing points of the drive means are lubricated with heated oil.
Bei einer bevorzugten Ausführungsform wird der gesamte Schaftantrieb als eine vorgefertigte Baueinheit ausgebildet, die als solche an einer Webmaschine angebracht werden kann. Hierzu sind Befestigungsflansche 27, 28 an dem Gehäuse 10 vorgesehen, mit denen die Baueinheit an den Seitenteilen 11 , 12 der Webmaschine befestigt werden kann. Bei dieser Ausbildung wird dann insbesondere die Ölpumpe 22 innerhalb des Gehäuses 10 angeordnet. Zweckmäßigerweise wird sie mittels einer Getriebestufe mit der Antriebswelle 14 verbunden, so dass der Antriebsmotor 18 auch die Ölpumpe mit antreibt.In a preferred embodiment, the entire shaft drive is designed as a prefabricated structural unit, which as such can be attached to a weaving machine. For this purpose, fastening flanges 27, 28 are provided on the housing 10, with which the structural unit can be fastened to the side parts 11, 12 of the weaving machine. In this configuration, the oil pump 22 is then arranged in particular within the housing 10. It is expediently connected to the drive shaft 14 by means of a gear stage, so that the drive motor 18 also drives the oil pump.
Der Schaftantrieb nach Fig. 1 ist nur als ein Beispiel dargestellt. Bei ei- ner abgewandelten Ausführungsform wird die Antriebswelle 14 unmittelbar von dem Antriebsmotor 18 angetrieben. Der Antriebsmotor 18 kann auch an der Stirnseite oder der Oberseite oder der gegenüberliegenden Seite des vergrößerten Bereichs 13 des Gehäuses 10 angebracht werden. Gegebenenfalls wird eine Umlenk-Getriebestufe mittels Kegelrädern vorgesehen.The shaft drive according to FIG. 1 is only shown as an example. In a modified embodiment, the drive shaft 14 is driven directly by the drive motor 18. The drive motor 18 can also on the front side or the top or the opposite Side of the enlarged portion 13 of the housing 10 are attached. If necessary, a deflection gear stage is provided by means of bevel gears.
Mit der Erfindung soll insbesondere vermieden werden, dass das Gehäuse 10, das sich unterhalb der Kettfäden befindet, als eine Art Heizkörper wirkt. Aufgrund der Wirkung als Heizkörper könnten ansonsten die Kettfäden oberhalb des Gehäuses getrocknet werden, was einen nachteiligen Einfluss auf den Webvorgang und das erhaltene Gewebe haben könnte. Um die Wirkung als Heizkörper zu vermeiden, sollte in dem Gehäuse 10 möglichst wenig Öl vorhanden sein, d.h. nur ausreichend Öl für das Erzielen der Schmierwirkung. Vorzugsweise sollte darüber hinaus dieses Öl, das die Lagerelemente des Hebelsystems schmiert, gekühlt sein.The invention is particularly intended to prevent the housing 10, which is located below the warp threads, from acting as a type of heating element. Due to the effect as a radiator, the warp threads above the housing could otherwise be dried, which could have an adverse effect on the weaving process and the fabric obtained. In order to avoid the effect as a radiator, as little oil as possible should be present in the housing 10, i.e. only enough oil to achieve the lubricating effect. In addition, this oil, which lubricates the bearing elements of the lever system, should preferably be cooled.
Bei der Ausführungsform nach Fig. 3 und 4 ist deshalb vorgesehen, dass ein Ölbad 20' auf den Bereich 13 des Gehäuses 10 beschränkt ist, der sich außerhalb der Seitenteile 11 , 12 der Webmaschine befindet. In diesem Bereich 13 hat das Gehäuse 10 einen tieferen Boden als in dem Bereich zwischen den Seitenteilen 11 , 12. In diesem Bereich ist, wie das in Fig. 4 dargestellt ist, in dem Boden des Gehäuses 10 nur eine Rinne 31 vorgesehen, die als Rücklauf zu dem Ölbad 20' dient. In dem Bereich 13 des Gehäuses 10 ist ein Ölkühler 25 angeordnet, der über strichpunktiert dargestellte Versorgungsleitungen 32 Sprühdüsen 33 mit ge- kühltem Öl versorgt, die Lagerstellen des Hebelsystems 15 zugeordnet sind. Das ausgesprühte, gekühlte Öl fließt über die Rinne 31 zu dem Ölbad des Bereichs 13 des Gehäuses 10 zurück. Wie aus Fig. 4 zu ersehen ist, ist die Rinne 31 eine nach unten aus dem Boden des Gehäuses 10 ragende Rippe. Aufgrund dieser Formgebung wirkt die Rinne gleich- zeitig als eine Kühlrippe. Das Gehäuse 10 wird bei dem Ausführungsbeispiel nach Fig. 3 und 4 mittels Dämpfungselementen 34, 35 an den Seitenteilen 11 , 12 der Webmaschine befestigt, die somit das Gehäuse 10 auch thermisch von den Seitenteilen 11 , 12 trennen.In the embodiment according to FIGS. 3 and 4, it is therefore provided that an oil bath 20 'is limited to the area 13 of the housing 10 which is located outside the side parts 11, 12 of the weaving machine. In this area 13, the housing 10 has a deeper bottom than in the area between the side parts 11, 12. In this area, as shown in FIG. 4, only one groove 31 is provided in the bottom of the housing 10, which as Return to the oil bath 20 'is used. In the area 13 of the housing 10, an oil cooler 25 is arranged, which supplies 32 spray nozzles 33 with cooled oil to supply points of the lever system 15 via supply lines 32 shown in broken lines. The sprayed, cooled oil flows back via the groove 31 to the oil bath of the area 13 of the housing 10. As can be seen from Fig. 4, the groove 31 is a rib projecting downward from the bottom of the housing 10. Because of this shape, the channel also acts as a cooling fin. 3 and 4, the housing 10 is fastened to the side parts 11, 12 of the weaving machine by means of damping elements 34, 35, which thus also thermally separate the housing 10 from the side parts 11, 12.
Grundsätzlich kommen für die Erfindung jede Art von Schaftantrieben inBasically, any type of shaft drives come in for the invention
Frage, d.h. ein Dobby, ein Nockenantrieb, ein Exenterantrieb oder einQuestion, i.e. a dobby, a cam drive, an eccentric drive or a
Kurbelantrieb.Crank drive.
Bei abgewandelten Ausführungsformen sind für den Antrieb mehrere unabhängige Antriebsmotoren vorgesehen, die jeweils einer Anzahl von Webschäften oder jeweils einem einzelnen Webschaft zugeordnet sind. Wenigstens einer der Vielzahl dieser Antriebsmotoren und vorzugsweise alle diese Antriebsmotoren werden in der vorstehend erläuterten Weise gekühlt.In modified embodiments, several independent drive motors are provided for the drive, each of which is assigned to a number of heald frames or in each case to an individual heald frame. At least one of the plurality of these drive motors and preferably all of these drive motors are cooled in the manner explained above.
In Fig. 5 und 6 ist eine Ausführungsform ähnlich Fig. 3 dargestellt, bei welcher im Bereich des Bodens des Gehäuses 10 ein Kühlkanal 40 vorgesehen ist, der bei diesem Ausführungsbeispiel die Rinnen 31 umgibt. In diesen Kühlkanal 40 wird eine Kühlmittelströmung erzeugt. Das kann gekühlte Luft sein. Die Luft wird bevorzugt mittels eines Gebläses durch den Kühlkanal 40 geblasen. Es ist jedoch auch möglich, eine Konvekti- onsströmung zu erzeugen. Bei einer anderen Ausführungsform wird ein flüssiges Kühlmittel durch den Kühlkanal 40 geführt. Dieses flüssige Kühlmittel, insbesondere Kühlwasser, kann mittels einer Pumpe zuge- führt werden. Zweckmäßigerweise werden bei dieser Ausführungsform mehrere Rinnen 31 in dem Boden des Gehäuses 10 vorzugsweise in Form von Profilierungen vorgesehen, die in den Kühlkanal 40 ragen. Damit ist es möglich, die Kühlfläche zu vergrößern. Der Kühlkanal 40 wird von dem Boden des Gehäuses 10 und einem daran befestigten Profil 41 gebildet. Das Kühlfluid - Luft oder Kühlwasser - strömt in dem Kühlkanal von einem Seitenteil 12 zum Seitenteil 11. Das Kühlfluid wird im Bereich des Seitenteils 11 entnommen, durch einen Kühler 42 hin- durch geführt und im Bereich des anderen Seitenteils 12 wieder zugeführt. Zu der Kühleinrichtung 42 kann gegebenenfalls auch ein Kälteaggregat gehören. 5 and 6 show an embodiment similar to FIG. 3, in which a cooling channel 40 is provided in the area of the bottom of the housing 10, which surrounds the grooves 31 in this exemplary embodiment. A coolant flow is generated in this cooling channel 40. That can be chilled air. The air is preferably blown through the cooling channel 40 by means of a blower. However, it is also possible to generate a convection flow. In another embodiment, a liquid coolant is passed through the cooling channel 40. This liquid coolant, in particular cooling water, can be supplied by means of a pump. In this embodiment, a plurality of channels 31 are expediently provided in the bottom of the housing 10, preferably in the form of profiles which protrude into the cooling channel 40. This makes it possible to enlarge the cooling surface. The cooling channel 40 is formed by the bottom of the housing 10 and a profile 41 attached to it. The cooling fluid - air or cooling water - flows in the cooling channel from a side part 12 to the side part 11. The cooling fluid is removed in the area of the side part 11, through a cooler 42. performed and fed back in the area of the other side part 12. The cooling device 42 can optionally also include a cooling unit.

Claims

Patentansprüche claims
1. Antrieb für Webschäfte einer Webmaschine mit Antriebselementen, die Rotationsbewegungen in lineare Bewegungen umformen und die in einem Gehäuse angeordnet sind, das auch ein Hebelsystem aufnimmt, das die linearen Bewegungen als Auf- und Ab- bewegungen auf die Webschäfte überträgt, dadurch gekennzeichnet, dass ein oder mehrere Kühlkanäle vorgesehen sind, die an einen Bereich des Gehäuses (10) angeschlossen sind, der zur Aufnahme eines Ölbades (20) ausgebildet ist.1. Drive for heald frames of a weaving machine with drive elements which convert rotational movements into linear movements and which are arranged in a housing which also accommodates a lever system which transmits the linear movements as up and down movements to the heald frames, characterized in that one or more cooling channels are provided which are connected to a region of the housing (10) which is designed to receive an oil bath (20).
2. Antrieb nach Anspruch 1 , dadurch gekennzeichnet, dass an dem Gehäuse (20) ein Antriebsmotor (18) angebracht ist, der mit einem Kühlkanal umgeben ist.2. Drive according to claim 1, characterized in that on the housing (20) a drive motor (18) is attached, which is surrounded with a cooling channel.
3. Antrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass eine zu dem Antriebsmotor (18) führende Ölzuführleitung (23) an eine Ölpumpe (22) angeschlossen ist.3. Drive according to claim 1 or 2, characterized in that an oil supply line (23) leading to the drive motor (18) is connected to an oil pump (22).
4. Antrieb nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Gehäuse sich von einer Seite einer Webmaschine zur gegenüberliegenden Seite erstreckt, dass der Antriebsmotor (18) im Bereich eines Endes des Gehäuses (10) angebracht ist, und dass eine Ölrücklaufleitung (24) im Bereich des anderen Endes in das Gehäuse (10) mündet.4. Drive according to one of claims 1 to 3, characterized in that the housing extends from one side of a weaving machine to the opposite side, that the drive motor (18) is mounted in the region of one end of the housing (10), and that an oil return line (24) opens into the housing (10) in the area of the other end.
5. Antrieb nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Gehäuse (10) vorzugsweise in der Nähe seines Bodens mit Kühlrippen oder Kühlelementen versehen ist. 5. Drive according to one of claims 1 to 4, characterized in that the housing (10) is preferably provided in the vicinity of its bottom with cooling fins or cooling elements.
6. Antrieb nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass in der Ölzuführleitung (23) oder in der Ölrücklaufleitung (24) ein Ölkühler (25) angeordnet ist.6. Drive according to one of claims 1 to 4, characterized in that an oil cooler (25) is arranged in the oil supply line (23) or in the oil return line (24).
7. Antrieb nach einem de Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Gehäuse (10) mit der Ölpumpe (22), mit der Ölzuführleitung (23) und der Ölrücklaufleitung (24) als eine an eine Webmaschine anbaubare Baueinheit aus gebildet ist.7. Drive according to one of claims 1 to 6, characterized in that the housing (10) with the oil pump (22), with the oil supply line (23) and the oil return line (24) is formed as a unit which can be attached to a weaving machine.
8. Antrieb nach Anspruch 7, dadurch gekennzeichnet, dass die Baueinheit einen Ölkühler (25) mitumfasst.8. Drive according to claim 7, characterized in that the structural unit also includes an oil cooler (25).
9. Antrieb nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Baueinheit zusätzlich den Antriebsmotor (18) mitumfasst.9. Drive according to claim 7 or 8, characterized in that the structural unit additionally includes the drive motor (18).
10. Antrieb nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Gehäuse (10) einen zwischen zwei Seitenteilen (11 , 12) einer Webmaschine anzuordnenden Bereich und einen außerhalb der Seitenteile anzuordnenden Bereich (13) aufweist und dass das Ölbad (20') im Wesentlichen auf den außerhalb der Seitenteile (11 , 12) anzuordnenden Bereich (13) beschränkt ist.10. Drive according to one of claims 1 to 8, characterized in that the housing (10) has an area to be arranged between two side parts (11, 12) of a weaving machine and an area (13) to be arranged outside the side parts and that the oil bath (20 ') is essentially limited to the area (13) to be arranged outside the side parts (11, 12).
11. Antrieb nach Anspruch 10, dadurch gekennzeichnet, dass der zwischen den Seitenteilen (11 , 12) anzuordnende Bereich des Gehäuses (10) über eine Rinne (31) mit dem Ölbad (20') verbunden ist, die vorzugsweise den Boden des Gehäuses (10) nach unten überragt.11. Drive according to claim 10, characterized in that the region of the housing (10) to be arranged between the side parts (11, 12) is connected via a channel (31) to the oil bath (20 '), which preferably covers the bottom of the housing ( 10) protrudes downwards.
12. Antrieb nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass der zwischen den Seitenteilen (11 , 12) anzuordnende Bereich des Gehäuses (10) mit Ölzuführeinrichtungen (33) versehen ist, die an den Ausgang eines Ölkühlers (25) angeschlossen sind.12. Drive according to one of claims 1 to 11, characterized in that the region of the housing (10) to be arranged between the side parts (11, 12) with oil supply devices (33) is provided, which are connected to the output of an oil cooler (25).
13. Antrieb nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass dem Gehäuse (10) eine Kühleinrichtung (42) zugeordnet ist, die ein an dem Gehäuse, vorzugsweise dem Boden des Gehäuses, vorbeigeführte Kühlmittelströmung erzeugt.13. Drive according to one of claims 1 to 12, characterized in that the housing (10) is assigned a cooling device (42) which generates a coolant flow which is guided past the housing, preferably the bottom of the housing.
14. Antrieb nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass im Bereich des Bodens das Gehäuse (10) ein Kühlkanal (40) vorgesehen ist.14. Drive according to one of claims 1 to 13, characterized in that in the region of the bottom, the housing (10) is provided a cooling channel (40).
15. Antrieb nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass eine Wandung des Gehäuses (10), vorzugsweise der Boden des Gehäuses, als ein Kühlkanal (40) für eine Kühlmittelströmung gestaltet ist.15. Drive according to claim 13 or 14, characterized in that a wall of the housing (10), preferably the bottom of the housing, is designed as a cooling channel (40) for a coolant flow.
16. Antrieb nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, dass die Wandung des Gehäuses (10), vorzugsweise der Boden des Gehäuses, mit einer die Kühlfläche vergrößernden Profilierung (31) versehen ist. 16. Drive according to one of claims 13 to 15, characterized in that the wall of the housing (10), preferably the bottom of the housing, is provided with a profile (31) which increases the cooling surface.
EP04726143A 2003-04-17 2004-04-07 Drive for heald frames of a loom Expired - Lifetime EP1613799B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10318808A DE10318808A1 (en) 2003-04-17 2003-04-17 Drive for heald frames of a weaving machine
PCT/EP2004/003705 WO2004092464A1 (en) 2003-04-17 2004-04-07 Drive for heald frames of a loom

Publications (2)

Publication Number Publication Date
EP1613799A1 true EP1613799A1 (en) 2006-01-11
EP1613799B1 EP1613799B1 (en) 2007-09-12

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EP04726143A Expired - Lifetime EP1613799B1 (en) 2003-04-17 2004-04-07 Drive for heald frames of a loom

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EP (1) EP1613799B1 (en)
CN (1) CN1774530B (en)
AT (1) ATE373124T1 (en)
DE (2) DE10318808A1 (en)
WO (1) WO2004092464A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019695A3 (en) 2010-12-09 2012-10-02 Picanol WEAVING MACHINE WITH LUBRICATING SYSTEMS.
CN102560839A (en) * 2012-01-22 2012-07-11 经纬纺织机械股份有限公司 Main motor of rapier loom
CN106917176A (en) * 2017-04-21 2017-07-04 江苏友诚数控科技有限公司 A kind of Numerical Control Cam shedding mechanism
CN107043987A (en) * 2017-06-21 2017-08-15 苏州迅鲜纺织科技有限公司 A kind of weaving loom heat dissipation base

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2679264B1 (en) * 1991-07-15 1993-12-03 Staubli Ets PULLING MECHANISM WITH OSCILLATING LEVERS INTERPOSED BETWEEN AN ARMOR MECHANICS AND THE HANDLE FRAMES OF A WEAVE.
JPH07268742A (en) * 1994-03-28 1995-10-17 Toyota Autom Loom Works Ltd Method for opening in weaving machine and device therefor
FR2733518B1 (en) * 1995-04-26 1997-06-27 Staubli Sa Ets BATI-SUPPORT FOR ARMOR MECHANICS
FR2734001B1 (en) * 1995-05-12 1997-06-27 Staubli Sa Ets ROTARY TYPE WEAPON MECHANICS FOR CROWD FORMATION ON WEAVING MACHINES
BE1010849A3 (en) * 1997-01-14 1999-02-02 Picanol Nv DRIVE for a weaving machine.
DE10111017B4 (en) * 2001-03-07 2006-02-02 Lindauer Dornier Gmbh Drive for the heald frames of a loom

Non-Patent Citations (1)

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Title
See references of WO2004092464A1 *

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ATE373124T1 (en) 2007-09-15
CN1774530B (en) 2011-08-03
EP1613799B1 (en) 2007-09-12
DE502004004948D1 (en) 2007-10-25
DE10318808A1 (en) 2004-11-04
CN1774530A (en) 2006-05-17
WO2004092464A1 (en) 2004-10-28

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