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EP0795635B1 - Shed-forming device and loom with such device - Google Patents

Shed-forming device and loom with such device Download PDF

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Publication number
EP0795635B1
EP0795635B1 EP19960810834 EP96810834A EP0795635B1 EP 0795635 B1 EP0795635 B1 EP 0795635B1 EP 19960810834 EP19960810834 EP 19960810834 EP 96810834 A EP96810834 A EP 96810834A EP 0795635 B1 EP0795635 B1 EP 0795635B1
Authority
EP
European Patent Office
Prior art keywords
accordance
linear drives
heald
heald frames
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19960810834
Other languages
German (de)
French (fr)
Other versions
EP0795635A1 (en
Inventor
Robert Bucher
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.)
Itema Switzerland Ltd
Original Assignee
Sulzer Textil AG
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
Priority claimed from EP96810560A external-priority patent/EP0825285A1/en
Application filed by Sulzer Textil AG filed Critical Sulzer Textil AG
Priority to EP19960810834 priority Critical patent/EP0795635B1/en
Publication of EP0795635A1 publication Critical patent/EP0795635A1/en
Application granted granted Critical
Publication of EP0795635B1 publication Critical patent/EP0795635B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00Shedding mechanisms not otherwise provided for
    • D03C13/02Shedding mechanisms not otherwise provided for with independent drive motors
    • D03C13/025Shedding mechanisms not otherwise provided for with independent drive motors with independent frame drives
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00Shedding mechanisms not otherwise provided for
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C5/00Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C5/00Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
    • D03C5/06Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices operated by cam devices other than rotating cams

Definitions

  • the invention relates to an arrangement for forming a Shed according to the preamble of claim 1 and a weaving machine with such an arrangement.
  • One embodiment relates to one Single strand control and another one Heald frame control.
  • the embodiment for Heald stock control contains two electronically controlled electric linear drives and a heald frame with strands and frame that is on one long side with the anchor parts of the linear drives connected and on the broad sides is led.
  • a heald frame In weaving machines for the production of fabrics with a A heald frame is usually up to two meters wide connected to a shaft drive in three places. Out for this reason the heald frame contains one rectangular shaft frames and two Stranded support rails inserted in the shaft frame are. The upper frame must be one of the weaving width have appropriate deflection-free design. Despite simplification in construction and selection The mass of a heald frame is high from light material.
  • the invention as characterized in the claims is, the task solves an arrangement to form a To create shed, in which by reducing the freely movable and play-free guided masses and through Blocking the anchor parts the power consumption is reduced and in which depending on the Number of heald frames an optimal ratio of required drive power to space required becomes.
  • a Frame are provided on which the linear drives are attached and which can be used in a weaving machine is. This can make it easier to change articles.
  • Two linear motors become one unit summarized, the division of the Strand support rails can be further reduced.
  • the heald frame has an upper and lower Strand support rails 1 and 2, a plurality of strands 3 with Braided eyes 4, which are hooked into the rails and a plurality of linear drives 5 with armature parts 6 on, which are connected to the heddle support rails 1, 2, where the connection points are each the same distance exhibit.
  • Fig. 1 further shows, are in one Shaft package the linear drives 5 on the neighboring ones Stranded support rails 1, 2 arranged offset. The reason for this arrangement is that the distance be chosen as small as possible between the heald frames can.
  • the heddle support rail is a conventional one Execution, i.e. a so-called standard rail.
  • the Linear drives 5 are arranged stationary and hold the Heald shaft in a starting position in which the Braid eyes 4 of all heald frames on one line or in lie on one level.
  • a frame 11 is provided (FIG. 2).
  • the frame 11 is rectangular and has two frame parts 12, 13 on the Long sides and two frame parts 14, 15 on the Broad sides on the well-known way are interconnected. They are on the long sides Linear drives 5 attached.
  • the heddle support rails 4 are measured in length so that they can be attached using the anchor parts 6 are freely movable within the frame 11.
  • Hanging devices 21 are provided, which the Stranded support rail with anchor parts 6 connect.
  • FIG. 3 shows the device 21 for Hang from a plate 22 on the Stranded support rail 1 is fastened and a holder 23, which is attached to the anchor part 6.
  • the plate 22 is with provided a slot 24 and the holder 23 has one Pin 25 which engages in the slot 24.
  • the Slot 24 is sized to compensate for the game at the interface between the anchor part and heald frame is possible to prevent the anchor parts from jamming Heald frame is prevented. On the other hand, the Slot 24 a compensation in the direction transverse to Direction of work of the heald frame.
  • one A receiving part 29 is provided for the loom.
  • a grating 31 instead of a frame, a grating 31 according to FIG 5 are provided, the linear drives 5 are each attached to the grate bars 32.
  • grilles 31 is between the heald frame corresponding upper and lower grate bars free arranged movably. This is done in a weaving machine a suitable holding device for each grating intended.
  • the device contains a heald frame consisting of two heddle support rails 1, 2 and a plurality of stationary linear drives 5 with armature parts 6, which are connected to the heddle support rails 1, 2, deart that the heald frame is guided without play.
  • a heald frame consisting of two heddle support rails 1, 2 and a plurality of stationary linear drives 5 with armature parts 6, which are connected to the heddle support rails 1, 2, deart that the heald frame is guided without play.
  • the structural units 35 are for the lower strand support rail inclined in the other direction arranged, i.e. the linear drives are related to that Heald frame arranged crosswise.
  • the Arrangement contains heald frames 101, electronic controlled, electric linear drives 102 and Coupling means 103.
  • the heald frames 101 are in groups summarized, four heald frames 101 each Form group 104.
  • Each heald frame group is 104 Fixed above and below the heald frames 101 arranged drive units 105, 106 assigned that two groups 107 each from four linear drives 102 include.
  • Each heald frame group 104 are also each assigned to two groups of coupling means 108, which connect the heald frames 101 to the linear drives 102.
  • the connection is designed so that the heald frames 101 kept free of play in the direction of movement or are guided, with the strands in a known manner Play are held on the heddle support rails.
  • the Heald frames 101 essentially consist of two Strand support rails 111 between which a plurality of Strands 112 are arranged with strand eyes 113.
  • the Stranded support rail is a known design.
  • the Linear drives have an armature part 115 and are on is known, so that a detailed description is waived.
  • the linear drives 102 are of each group staggered transversely to the longitudinal extent of the heald frames 101 arranged.
  • the coupling means 103 comprise drive rods 116, which at one end with the anchor parts 115 of the Linear drives 102 are connected and at the other end have a receiving portion 117, holders 118 which the heddle support rails 102 are fastened and pins 126, into which the drive rods 116 can be suspended (FIG. 15, 16).
  • the holder 118 has a rectangular basic shape.
  • the holder 118 has a U-shaped on one long side Section 119, in which four pins 126 are arranged and a section 120 on which the Strande
  • Fig. 15 To couple the heald frames with the push rods as is known, either vertical and horizontal Movement (Fig. 15) or just a vertical movement (Fig. 16) executed. For these reasons, the Receiving section 104 hook-shaped or it clamping elements are provided. During weaving, the In the event that a minority or just one Heald frame is moved. To the heald towards the To run neighboring heald frames is at least a guide bar 120 is provided on one side (FIG. 15) or dimension the drive rod so that the Heald frames of the group facing surfaces of the Drive rods form guide surfaces.
  • groups 105, 106 are of Linear drives 102 on a bracket-like holding element 121 mounted, which is attached to two trusses 122.
  • the Holding member 121 holds the linear drives 102 and on the other hand, the trusses 122 at a distance.
  • To the Trusses 122 are in the area of the linear drives 102 each guides 123 for the rods 111 des front and rear heald frames one each Group of heald frames provided.
  • the guides are 123 attached to the trusses 122 and each consist of an angle profile 124 and a guide plate 125 (Fig. 14).
  • the drive units 105, 106 arranged on the trusses 122 and hold the heald frames 101 in a starting position in which the strand eyes 113 lie in one plane.
  • the Distance can range from 0.20 m to 1.00 m, in particular in the range from 0.40 m to 0.60 m.
  • struts 131 are provided (Fig. 17 to 19).
  • the latter has the advantage that both linear drives 102 can be designed with a lower power.
  • the strut 131 is in the middle by means of screws 132, 133 the holders 118, 134 attached (Fig. 18 and 19).
  • the linear drive 5 shows an embodiment of a device for blocking the armature part 6 of a linear drive 5.
  • the linear drive 5 is known per se and has a Slide bearing 201 with a bearing sleeve 202 made of plastic.
  • the device 210 comprises a stop sleeve 211, a Locking tongue 212, a holder 213, an electromagnet 214 and a compression spring 215.
  • the stop sleeve 211 is with an end face against the slide bearing 201 in Housing of the linear drive 5 arranged so that the other face perpendicular to the longitudinal axis of the Anchor part runs and a stop surface for the Locking tongue 212 forms.
  • the holder 213 is on the support member 121 attached such that the locking tongue 212 between the stop sleeve 211 and the holder 213 is arranged.
  • the locking tongue has a hole and is loose arranged on the anchor part 6.
  • the electromagnet 214 is attached to the holder 213.
  • the anchor 216 is with the Locking tongue 212 connected.
  • the compression spring 215 is on the Anchor 216 arranged.
  • the electromagnet 214 is one Provide detent position, e.g. through a Permanent magnet is formed.
  • the armature part 6 of the linear drive 5 is blocked, because the electromagnet 214 is not energized and the Compression spring 214 moves the armature 216 and consequently the movable locking tongue 212 on one side of the stop sleeve 211 moves away.
  • the solenoid 214 is de-energized during operation and is in the locking position and the locking tongue 212th takes the position shown in Fig. 20. Becomes based on the pattern data from the weaving machine control the solenoid 214 is energized, the locking tab 212 pivoted and the anchor part 6 blocked. Will the Instruction canceled, the linear drive 6 and the electromagnet 214 as when commissioning controlled and the blocking of the anchor part 6 canceled.
  • the arrangement comprises heald frames 101, linear drives 102 and coupling means 103, which are grouped together are.
  • the linear drives in each group are staggered arranged and form a drive unit.
  • the Coupling means are designed so that the staggering is selectable within the group. With this arrangement becomes an optimal ratio of drive power to Space requirements and standardization of a group elements achieved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Description

Die Erfindung betrifft eine Anordnung zur Bildung eines Webfaches gemäss dem Oberbegriff des Anspruches 1 und eine Webmaschine mit einer derartigen Anordnung.The invention relates to an arrangement for forming a Shed according to the preamble of claim 1 and a weaving machine with such an arrangement.

Aus der EP-B-0 353 005 ist eine derartige Anordnung bekannt. Eine Ausführungsform betrifft eine Einzellitzensteuerung und eine andere eine Webschaftsteuerung. Die Ausführungsform zur Webschaftsteuerung enthält zwei elektronisch gesteuerte elektrische Linearantriebe und einen Webschaft mit Litzen und Rahmen, der an einer Längsseite mit den Ankerteilen der Linearantriebe verbunden und an den Breitseiten geführt ist.Such an arrangement is known from EP-B-0 353 005 known. One embodiment relates to one Single strand control and another one Heald frame control. The embodiment for Heald stock control contains two electronically controlled electric linear drives and a heald frame with strands and frame that is on one long side with the anchor parts of the linear drives connected and on the broad sides is led.

Bei Webmaschinen zur Herstellung von Gewebe mit einer Breite bis zu zwei Meter, ist ein Webschaft in der Regel an drei Stellen mit einem Schaftantrieb verbunden. Aus diesem Grunde enthält der Webschaft einen rechteckförmigen Schaftrahmen und zwei Litzentragschienen, die in den Schaftrahmen eingelegt sind. Der Schaftrahmen muss eine der Webbreite entsprechende durchbiegungsfreie Ausführung aufweisen. Trotz Vereinfachung in der Konstruktion und der Auswahl von Leichtmaterial ist die Masse eines Webschaftes hoch. In weaving machines for the production of fabrics with a A heald frame is usually up to two meters wide connected to a shaft drive in three places. Out for this reason the heald frame contains one rectangular shaft frames and two Stranded support rails inserted in the shaft frame are. The upper frame must be one of the weaving width have appropriate deflection-free design. Despite simplification in construction and selection The mass of a heald frame is high from light material.

Einer Verringerung dieser Masse sind jedoch enge Grenzen gesetzt. Eine Kompensation für die bewegte Masse und ist durch die Verringerung der Hubhöhe im wesentlichen bereits ausgeschöpft.However, there are narrow limits to reducing this mass set. A compensation for the moving mass and is by reducing the lifting height essentially already exhausted.

Daraus ergeben sich für die bekannte Vorrichtung die Nachteile, dass der Energieverbrauch und die Kosten derartiger Linearantriebe hoch sind und dass durch die Schaftrahmenführung ein erheblicher Reibungsverlust entsteht. Aufgrund der Durchbiegung der Profile des Schaftrahmens muss ein Litzenspiel vorgesehen, welches Lärm verursacht.This results in the known device Disadvantages that energy consumption and costs such linear drives are high and that by Frame frame guide a considerable loss of friction arises. Due to the deflection of the profiles of the Shaft frame must provide a braid play, which Causes noise.

Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, löst die Aufgabe eine Anordnung zur Bildung eines Webfaches zu schaffen, bei welcher durch Reduktion der frei beweglichen und spielfrei geführten Massen und durch Blockierung der Ankerteile die Leistungsaufnahme verringert wird und bei welcher in Abhängigkeit der Anzahl von Webschäften ein optimales Verhältnis von erforderlicher Antriebsleistung zu Raumbedarf erreicht wird.The invention as characterized in the claims is, the task solves an arrangement to form a To create shed, in which by reducing the freely movable and play-free guided masses and through Blocking the anchor parts the power consumption is reduced and in which depending on the Number of heald frames an optimal ratio of required drive power to space required becomes.

Die mit der Erfindung erzielbaren Vorteile sind im wesentlichen darin zu sehen, dass die Ausbildung des Webschaftes eine kleine Schaftteilung ermöglicht und dass durch eine Teilungsreduktion eine Reduktion der maximal erforderlichen Hubhöhe, insbesondere bei höheren Schaftzahl erzielt wird.The advantages achievable with the invention are in essential to see that the training of the Web shaft allows a small shaft division and that a reduction of the maximum by a division reduction required lifting height, especially at higher ones Shaft number is achieved.

Zur Erleichterung der Montage der Vorrichtung kann ein Rahmen vorgesehen werden, an welchem die Linearantriebe befestigt sind und welches in eine Webmaschine einsetzbar ist. Dadurch kann ein Artikelwechsel erleichtert werden. Werden zwei Linearmotore zu einer Baueinheit zusammengefasst, so kann die Teilung der Litzentragschienen weiter reduziert werden.To facilitate assembly of the device, a Frame are provided on which the linear drives are attached and which can be used in a weaving machine is. This can make it easier to change articles. Two linear motors become one unit summarized, the division of the Strand support rails can be further reduced.

Bei einer bevorzugten Ausführungsform sind die Webschäfte, Kupplungsmittel und Linearantriebe in Gruppen zusammengefasst und die Linearantriebe quer zur Längserstreckung der Webschäfte gestaffelt angeordnet. Dies hat den Vorteil, dass eine Standardisierung der Webschäfte, der Kupplungsmittel und der Antriebseinheiten erreicht wird, wobei die Staffelung der ersten und zweiten Linearmotore an die Erfordernissen anpassbar ist.In a preferred embodiment, the Heald frames, coupling means and linear drives in groups summarized and the linear drives across The length of the heald frames is staggered. This has the advantage of standardizing the Heald frames, the coupling means and the drive units is achieved, staggering the first and second linear motors can be adapted to the requirements.

Im folgenden wird die Erfindung anhand der beiliegenden Zeichnungen erläutert.In the following the invention with reference to the enclosed Drawings explained.

Es zeigen:

Fig. 1
Eine schematische Darstellung eines Teils eines Schaftpaketes mit einer ersten Ausführungsform eines erfindungsgemässen Webschaftes in räumlicher Darstellung;
Fig. 2
einen Abschnitt einer ersten Ausführungsform einer Halteanordnung für den Webschaft,
Fig. 3
eine Einzelheit "A" in Fig. 2 im grösseren Massstab;
Fig. 4
einen Abschnitt einer zweiten Ausführungsform einer Halteanordnung für den Webschaft;
Fig. 5
einen Abschnitt einer dritten Ausführungsform einer Halteanordnung für den Webschaft;
Fig. 6
einen Teil eines Schaftpaketes mit einer modifizierten Ausführung der Antriebselemente;
Fig. 7
eine Draufsicht auf Fig. 6;
Fig. 11
Eine Ausführungsform der erfindungsgemässen Anordnung in räumlicher Darstellung;
Fig. 12
eine Einzelheit A in Fig. 1 im grösseren Massstab;
Fig. 13
eine Ansicht in Richtung des Pfeiles B in Fig. 11;
Fig. 14
eine Ansicht in Richtung des Pfeiles C in Fig. 11;
Fig. 15
eine Ausführungsform einer Triebstange mit waagerechter Kupplungsbewegung;
Fig. 16
eine Ausführungsform einer Triebstange mit senkrechter Kupplungsbewegung;
Fig. 17
eine räumliche Ansicht einer Befestigung einer Strebe, die zwischen den Litzentragschienen angeordnet ist;
Fig. 18
einen Schnitt durch die Befestigung der Strebe gemäss Fig. 17;
Fig. 19
einen Schnitt durch eine modifizierte Ausführungsform der Befestigung einer Strebe und
Fig. 20
eine Ausführungsform einer Einrichtung zur Blockierung der Ankerteile des Linearmotores im Schnitt.
Show it:
Fig. 1
A schematic representation of part of a shaft package with a first embodiment of a heald frame according to the invention in a spatial representation;
Fig. 2
a portion of a first embodiment of a holding arrangement for the heald frame,
Fig. 3
a detail "A" in Figure 2 on a larger scale.
Fig. 4
a portion of a second embodiment of a holding arrangement for the heald frame;
Fig. 5
a portion of a third embodiment of a holding arrangement for the heald frame;
Fig. 6
part of a shaft package with a modified version of the drive elements;
Fig. 7
a plan view of Fig. 6;
Fig. 11
An embodiment of the arrangement according to the invention in a spatial representation;
Fig. 12
a detail A in Figure 1 on a larger scale.
Fig. 13
a view in the direction of arrow B in Fig. 11;
Fig. 14
a view in the direction of arrow C in Fig. 11;
Fig. 15
an embodiment of a drive rod with horizontal coupling movement;
Fig. 16
an embodiment of a drive rod with a vertical coupling movement;
Fig. 17
a perspective view of a fastening of a strut, which is arranged between the heddle support rails;
Fig. 18
a section through the attachment of the strut according to FIG. 17;
Fig. 19
a section through a modified embodiment of the attachment of a strut and
Fig. 20
an embodiment of a device for blocking the armature parts of the linear motor in section.

Es wird auf die Figuren 1 bis 4 Bezug genommen. Wie die Fig. 1 zeigt, weist der Webschaft eine obere und untere Litzentragschiene 1 und 2, eine Mehrzahl von Litzen 3 mit Litzenaugen 4, die in die Schienen eingehängt sind und eine Mehrzahl von Linearantrieben 5 mit Ankerteilen 6 auf, die mit den Litzentragschienen 1, 2 verbunden sind, wobei die Verbindungsstellen jeweils den gleichen Abstand aufweisen. Wie die Fig. 1 weiter zeigt, sind bei einem Schaftpaket die Linearantriebe 5 an den benachbarten Litzentragschienen 1, 2 versetzt angeordnet. Der Grund für diese Anordnung besteht darin, dass der Abstand zwischen den Webschäften möglichst klein gewählt werden kann. Die Litzentragschiene ist eine herkömmliche Ausführung, d.h. eine sogenannte Normschiene. Die Linearantriebe 5 sind ortsfest angeordnet und halten den Webschaft in eine Ausgangsstellung, in welcher die Litzenaugen 4 aller Webschäfte auf einer Linie bzw. in einer Ebene liegen.Reference is made to FIGS. 1 to 4. As the Fig. 1 shows the heald frame has an upper and lower Strand support rails 1 and 2, a plurality of strands 3 with Braided eyes 4, which are hooked into the rails and a plurality of linear drives 5 with armature parts 6 on, which are connected to the heddle support rails 1, 2, where the connection points are each the same distance exhibit. As Fig. 1 further shows, are in one Shaft package the linear drives 5 on the neighboring ones Stranded support rails 1, 2 arranged offset. The reason for this arrangement is that the distance be chosen as small as possible between the heald frames can. The heddle support rail is a conventional one Execution, i.e. a so-called standard rail. The Linear drives 5 are arranged stationary and hold the Heald shaft in a starting position in which the Braid eyes 4 of all heald frames on one line or in lie on one level.

Wie bereits erwähnt, sind die Linearantriebe 5 ortsfest angeordnet. Um eine Montage und insbesondere das Einsetzen des Webschaftes zu erleichtern, wird mit Vorteil ein Rahmen 11 vorgesehen (Fig. 2). Der Rahmen 11 ist rechteckig und weist zwei Rahmenteile 12, 13 an den Längsseiten und zwei Rahmenteile 14, 15 an den Breitseiten auf, die auf bekannte Art und Weise miteinander verbunden sind. An den Längsseiten sind die Linearantriebe 5 befestigt. Die Litzentragschienen 4 sind in der Länge so bemessen, dass sie mittels der Ankerteile 6 innerhalb des Rahmens 11 frei beweglich sind. Um die Litzentragschienen 3 spielfrei zu führen, sind Vorrichtungen 21 zum Einhängen vorgesehen, welche die Litzentragschiene jeweils mit den Ankerteilen 6 verbinden.As already mentioned, the linear drives 5 are stationary arranged. To an assembly and especially that Using the heald frame will make it easier to use Advantageously, a frame 11 is provided (FIG. 2). The frame 11 is rectangular and has two frame parts 12, 13 on the Long sides and two frame parts 14, 15 on the Broad sides on the well-known way are interconnected. They are on the long sides Linear drives 5 attached. The heddle support rails 4 are measured in length so that they can be attached using the anchor parts 6 are freely movable within the frame 11. To the Stranded support rails 3 must be guided without play Hanging devices 21 are provided, which the Stranded support rail with anchor parts 6 connect.

Wie die Fig. 3 zeigt besteht die Vorrichtung 21 zum Einhängen aus einer Platte 22, die an der Litzentragschiene 1 befestigt ist und einem Halter 23, der am Ankerteil 6 befestigt ist. Die Platte 22 ist mit einem Schlitz 24 versehen und der Halter 23 weist einen Stift 25 auf, der in den Schlitz 24 eingreift. Der Schlitz 24 ist so bemessen, dass ein Ausgleich des Spiels an der Schnittstelle zwischen Ankerteil und Webschaft möglich ist, um ein Verklemmen der Ankerteile pro Webschaft verhindert wird. Andererseits ermöglicht der Schlitz 24 einen Ausgleich in der Richtung quer zur Arbeitsrichtung des Webschaftes.3 shows the device 21 for Hang from a plate 22 on the Stranded support rail 1 is fastened and a holder 23, which is attached to the anchor part 6. The plate 22 is with provided a slot 24 and the holder 23 has one Pin 25 which engages in the slot 24. The Slot 24 is sized to compensate for the game at the interface between the anchor part and heald frame is possible to prevent the anchor parts from jamming Heald frame is prevented. On the other hand, the Slot 24 a compensation in the direction transverse to Direction of work of the heald frame.

Bei einer modifizierten Ausführungsform gemäss Fig. 4 ist im Rahmen eine Führungsnut 28 ausgebildet, in welcher die Litzentragschienen 1, 3 während der Fachbildung geführt sind. Um den Rahmen einzusetzen, wird in einer Webmaschine ein Aufnahmeteil 29 vorgesehen.In a modified embodiment according to FIG. 4 formed in the frame a guide groove 28 in which the Stranded support rails 1, 3 guided during training are. To use the frame, one A receiving part 29 is provided for the loom.

Anstelle eines Rahmens kann ein Gitterrost 31 gemäss Fig. 5 vorgesehen werden, wobei die Linearantriebe 5 jeweils an den Roststäben 32 befestigt sind. Bei der Anwendung von Gittern 31 ist der Webschaft zwischen entsprechenden oberen und unteren Roststäben frei beweglich angeordnet. Hierzu wird in einer Webmaschine eine geeignete Haltevorrichtung für jeden Gitterrost vorgesehen.Instead of a frame, a grating 31 according to FIG 5 are provided, the linear drives 5 are each attached to the grate bars 32. In the Application of grilles 31 is between the heald frame corresponding upper and lower grate bars free arranged movably. This is done in a weaving machine a suitable holding device for each grating intended.

Die Vorrichtung enthält einen Webschaft bestehend aus zwei Litzentragschienen 1, 2 und einer Mehrzahl von ortsfest angeordneten Linearantrieben 5 mit Ankerteilen 6, die mit den Litzentragschienen 1, 2 verbunden sind, deart, dass der Webschaft spielfrei geführt ist. Durch die leichte Bauweise des Webschaftes ergeben sich geringe Kosten und ein geringer Energieverbrauch.The device contains a heald frame consisting of two heddle support rails 1, 2 and a plurality of stationary linear drives 5 with armature parts 6, which are connected to the heddle support rails 1, 2, deart that the heald frame is guided without play. By the light construction of the heald frame results in low Cost and low energy consumption.

Wie die Figuren 6 und 7 zeigen kommen anstelle eines einzelnen Linearantriebes eine Baueinheit 35 mit zwei Linearantrieben angewendet werden, wobei die Ankerteile 6 mit den Litzentragschienen 1 gekoppelt sind.As shown in Figures 6 and 7 come instead of one single linear drive a unit 35 with two Linear drives are used, the armature parts 6 are coupled to the heddle support rails 1.

Bei dieser Anordnung sind die Baueinheiten 35 für die untere Litzentragschiene in der anderen Richtung geneigt angeordnet, d.h. die Linearantriebe sind bezüglich dem Webschaft kreuzweise angeordnet.In this arrangement, the structural units 35 are for the lower strand support rail inclined in the other direction arranged, i.e. the linear drives are related to that Heald frame arranged crosswise.

Es wird auf die Figuren 11 bis 15 Bezug genommen. Die Anordnung enthält Webschäfte 101, elektronische gesteuerte, elektrische Linearantriebe 102 und Kupplungsmittel 103. Die Webschäfte 101 sind zu Gruppen zusammengefasst, wobei jeweils vier Webschäfte 101 eine Gruppe 104 bilden. Jeder Webschaftgruppe 104 sind oberhalb und unterhalb der Webschäfte 101 ortsfest angeordnete Antriebseinheiten 105, 106 zugeordnet, die jeweils zwei Gruppen 107 aus vier Linearantriebe 102 umfassen. Jeder Webschaftgruppe 104 sind ferner jeweils zwei Gruppen von Kupplungsmitteln 108 zugeordnet, welche die Webschäfte 101 mit den Linearantrieben 102 verbinden. Die Verbindung ist so ausgestaltet, dass die Webschäfte 101 in der Bewegungsrichtung spielfrei gehalten bzw. geführt sind, wobei die Litzen in bekannter Weise mit Spiel an den Litzentragschienen gehalten sind. Die Webschäfte 101 bestehen im wesentlichen aus zwei Litzentragschienen 111 zwischen welchen eine Mehrzahl von Litzen 112 mit Litzenaugen 113 angeordnet sind. Die Litzentragschiene ist eine bekannte Ausführung. Die Linearantriebe weisen einen Ankerteil 115 auf und sind an sich bekannt, so dass auf eine ausführliche Beschreibung verzichtet wird. Die Linearantriebe 102 jeder Gruppe sind quer zur Längserstreckung der Webschäfte 101 gestaffelt angeordnet. Die Kupplungsmittel 103 umfassen Triebstangen 116, die an einem Ende mit den Ankerteilen 115 der Linearantriebe 102 verbunden sind und am anderen Ende einen Aufnahmeabschnitt 117 aufweisen, Halter 118, die an den Litzentragschienen 102 befestigt sind und Stifte 126, in welche die Triebstangen 116 einhängbar sind (Fig. 15, 16). Der Halter 118 hat eine rechteckförmige Grundform. Der Halter 118 hat an einer Längsseite einen U-förmigen Abschnitt 119, in welchen vier Stifte 126 angeordnet sind und einen Abschnitt 120, auf welchem die Litzentragschiene 102 befestigt ist.Reference is made to FIGS. 11 to 15. The Arrangement contains heald frames 101, electronic controlled, electric linear drives 102 and Coupling means 103. The heald frames 101 are in groups summarized, four heald frames 101 each Form group 104. Each heald frame group is 104 Fixed above and below the heald frames 101 arranged drive units 105, 106 assigned that two groups 107 each from four linear drives 102 include. Each heald frame group 104 are also each assigned to two groups of coupling means 108, which connect the heald frames 101 to the linear drives 102. The connection is designed so that the heald frames 101 kept free of play in the direction of movement or are guided, with the strands in a known manner Play are held on the heddle support rails. The Heald frames 101 essentially consist of two Strand support rails 111 between which a plurality of Strands 112 are arranged with strand eyes 113. The Stranded support rail is a known design. The Linear drives have an armature part 115 and are on is known, so that a detailed description is waived. The linear drives 102 are of each group staggered transversely to the longitudinal extent of the heald frames 101 arranged. The coupling means 103 comprise drive rods 116, which at one end with the anchor parts 115 of the Linear drives 102 are connected and at the other end have a receiving portion 117, holders 118 which the heddle support rails 102 are fastened and pins 126, into which the drive rods 116 can be suspended (FIG. 15, 16). The holder 118 has a rectangular basic shape. The holder 118 has a U-shaped on one long side Section 119, in which four pins 126 are arranged and a section 120 on which the Stranded support rail 102 is attached.

Zum Kuppeln der Webschäfte mit den Triebstangen werden bekanntlich entweder eine vertikale und horizontale Bewegung (Fig. 15) oder lediglich eine vertikale Bewegung (Fig. 16) ausgeführt. Aus diesen Gründen ist der Aufnahmeabschnitt 104 hakenförmig ausgebildet oder es sind Klemmorgane vorgesehen. Während dem Weben kann der Fall eintreten, dass eine Minderzahl oder lediglich ein Webschaft bewegt wird. Um den Webschaft gegenüber den benachbarten Webschäften zu führen, wird mindestens einseitig eine Führungsleiste 120 vorgesehen (Fig. 15) oder die Triebstange so bemessen, dass die den Webschäften der Gruppe zugewandten Oberflächen der Triebstangen Führungsflächen bilden.To couple the heald frames with the push rods as is known, either vertical and horizontal Movement (Fig. 15) or just a vertical movement (Fig. 16) executed. For these reasons, the Receiving section 104 hook-shaped or it clamping elements are provided. During weaving, the In the event that a minority or just one Heald frame is moved. To the heald towards the To run neighboring heald frames is at least a guide bar 120 is provided on one side (FIG. 15) or dimension the drive rod so that the Heald frames of the group facing surfaces of the Drive rods form guide surfaces.

Wie in Fig. 11 zeigt, sind die Gruppen 105, 106 von Linearantrieben 102 an einem bügelartigen Halteorgan 121 montiert, das an zwei Traversen 122 befestigt ist. Das Halteorgan 121 hält einerseits die Linearantriebe 102 und andererseits die Traversen 122 auf Abstand. An den Traversen 122 sind im Bereich der Linearantriebe 102 jeweils Führungen 123 für die Triebstangen 111 des jeweils vordersten und hintersten Webschaftes einer Gruppe von Webschäften vorgesehen. Die Führungen 123 sind an den Traversen 122 befestigt und bestehen jeweils aus einem Winkelprofil 124 und einer Führungsplatte 125 (Fig. 14).As shown in Fig. 11, groups 105, 106 are of Linear drives 102 on a bracket-like holding element 121 mounted, which is attached to two trusses 122. The Holding member 121 holds the linear drives 102 and on the other hand, the trusses 122 at a distance. To the Trusses 122 are in the area of the linear drives 102 each guides 123 for the rods 111 des front and rear heald frames one each Group of heald frames provided. The guides are 123 attached to the trusses 122 and each consist of an angle profile 124 and a guide plate 125 (Fig. 14).

Wie bereits erwähnt, sind die Antriebseinheiten 105, 106 an den Traversen 122 angeordnet und halten die Webschäfte 101 in einer Ausgangsstellung, in welcher die Litzenaugen 113 in einer Ebene liegen. Es werden mehrere Antriebseinheiten 105, 106 vorgesehen, die über die Länge der Litzentragschiene 114 verteilt angeordnet sind. Der Abstand kann im Bereich von 0,20 m bis 1,00 m, insbesondere im Bereich von 0,40 m bis 0,60 m liegen.As already mentioned, the drive units 105, 106 arranged on the trusses 122 and hold the heald frames 101 in a starting position in which the strand eyes 113 lie in one plane. There will be several Drive units 105, 106 provided over the length the heddle support rail 114 are distributed. The Distance can range from 0.20 m to 1.00 m, in particular in the range from 0.40 m to 0.60 m.

Um dem Webschaft 101 eine grössere Stabilität zu verleihen, sind Streben 131 vorgesehen (Fig. 17 bis 19). Letzteres hat den Vorteil, dass beide Linearantriebe 102 mit einer geringeren Leistung ausgelegt werden können. Die Strebe 131 ist mittels Schrauben 132, 133 mittig an den Haltern 118, 134 befestigt (Fig. 18 und 19).To give the heald frame 101 greater stability lend, struts 131 are provided (Fig. 17 to 19). The latter has the advantage that both linear drives 102 can be designed with a lower power. The strut 131 is in the middle by means of screws 132, 133 the holders 118, 134 attached (Fig. 18 and 19).

Die Fig. 20 zeigt eine Ausführungsform einer Einrichtung zur Blockierung des Ankerteiles 6 eines Linearantriebes 5. Der Linearantrieb 5 ist an sich bekannt und hat ein Gleitlager 201 mit einer Lagerhülse 202 aus Kunststoff.20 shows an embodiment of a device for blocking the armature part 6 of a linear drive 5. The linear drive 5 is known per se and has a Slide bearing 201 with a bearing sleeve 202 made of plastic.

Die Einrichtung 210 umfasst eine Anschlaghülse 211, eine Sperrzunge 212, einen Halter 213, einen Elektromagnet 214 und eine Druckfeder 215. Die Anschlaghülse 211 ist mit einer Stirnfläche an das Gleitlager 201 anliegend im Gehäuse des Linearantriebes 5 so angeordnet, dass die andere Stirnfläche rechtwinklig zur Längsachse des Ankerteiles verläuft und eine Anschlagfläche für die Sperrzunge 212 bildet. Der Halter 213 ist am Tragorgan 121 befestigt, derart, dass die Sperrzunge 212 zwischen der Anschlaghülse 211 und dem Halter 213 angeordnet ist. Die Sperrzunge weist eine Durchbohrung auf und ist lose auf dem Ankerteil 6 angeordnet. Der Elektromagnet 214 ist am Halter 213 befestigt. Der Anker 216 ist mit der Sperrzunge 212 verbunden. Die Druckfeder 215 ist auf dem Anker 216 angeordnet. Der Elektromagnet 214 ist mit einer Raststellung versehen, die z.B. durch einen Permanentmagneten gebildet wird.The device 210 comprises a stop sleeve 211, a Locking tongue 212, a holder 213, an electromagnet 214 and a compression spring 215. The stop sleeve 211 is with an end face against the slide bearing 201 in Housing of the linear drive 5 arranged so that the other face perpendicular to the longitudinal axis of the Anchor part runs and a stop surface for the Locking tongue 212 forms. The holder 213 is on the support member 121 attached such that the locking tongue 212 between the stop sleeve 211 and the holder 213 is arranged. The locking tongue has a hole and is loose arranged on the anchor part 6. The electromagnet 214 is attached to the holder 213. The anchor 216 is with the Locking tongue 212 connected. The compression spring 215 is on the Anchor 216 arranged. The electromagnet 214 is one Provide detent position, e.g. through a Permanent magnet is formed.

Ist die hier in Rede stehende Vorrichtung ausser Betrieb, so ist der Ankerteil 6 des Linearantriebes 5 blockiert, weil der Elektromagnet 214 nicht erregt ist und die Druckfeder 214 den Anker 216 verschiebt und folglich die bewegliche Sperrzunge 212 einseitig von der Anschlaghülse 211 wegzieht.If the device in question is out of operation, the armature part 6 of the linear drive 5 is blocked, because the electromagnet 214 is not energized and the Compression spring 214 moves the armature 216 and consequently the movable locking tongue 212 on one side of the stop sleeve 211 moves away.

Bei der in Betriebnahme wird zuerst der Linearmotor 5 und dann der Elektromagnet 214 eingeschaltet, um durch eine gleichgerichtete Verschiebung die Sperrzunge 212 gegen die Anschlaghülse 211 zu verschwenken, wodurch die Blockierung des Ankerteiles 6 aufgehoben wird.When starting up, the linear motor 5 and then the solenoid 214 is turned on by a rectified displacement against the locking tongue 212 to pivot the stop sleeve 211, whereby the Blocking of the anchor part 6 is lifted.

Während des Betriebes ist der Elektromagnet 214 unerregt und steht in der Raststellung und die Sperrzunge 212 nimmt die in Fig. 20 dargestellte Stellung ein. Wird aufgrund der Musterdaten aus der Webmaschinensteuerung der Elektromagnet 214 erregt, wird die Sperrzunge 212 verschwenkt und der Ankerteil 6 blockiert. Wird die Anweisung aufgehoben, so werden der Linearantrieb 6 und der Elektromagnet 214 wie bei der Inbetriebnahme angesteuert und die Blockierung des Ankerteiles 6 aufgehoben. The solenoid 214 is de-energized during operation and is in the locking position and the locking tongue 212th takes the position shown in Fig. 20. Becomes based on the pattern data from the weaving machine control the solenoid 214 is energized, the locking tab 212 pivoted and the anchor part 6 blocked. Will the Instruction canceled, the linear drive 6 and the electromagnet 214 as when commissioning controlled and the blocking of the anchor part 6 canceled.

Die Anordnung umfasst Webschäfte 101, Linearantriebe 102 und Kupplungsmittel 103, die in Gruppen zusammengefasst sind. Die Linearantriebe jeder Gruppe sind gestaffelt angeordnet und bilden eine Antriebseinheit. Die Kupplungsmittel sind so ausgestaltet, dass die Staffelung innerhalb der Gruppe wählbar ist. Mit dieser Anordnung wird ein optimales Verhältnis von Antriebsleistung zu Raumbedarf und eine Standardisierung der eine Gruppe bildenden Elemente erreicht.The arrangement comprises heald frames 101, linear drives 102 and coupling means 103, which are grouped together are. The linear drives in each group are staggered arranged and form a drive unit. The Coupling means are designed so that the staggering is selectable within the group. With this arrangement becomes an optimal ratio of drive power to Space requirements and standardization of a group elements achieved.

Claims (17)

  1. Apparatus for forming a weaving shed comprising a plurality of heddles for receiving and moving warp threads and a plurality of linear drives with an armature part in order to move the heddles up and down, characterised in that two heddle carrying rails (1, 2, 111) and the heddles (3, 112) arranged between them are formed as a heald frame; in that the linear drives (5, 102) at the two heddle carrying rails are mounted at a fixed location at the side of the rails remote from the heddles (3) along the longitudinal extent of the rails and at intervals; and in that the armature parts (6, 115) of the linear drives (5, 102) are connected to the rail in such a way that the heald frame is guided without play in the direction of motion.
  2. Apparatus in accordance with claim 1, characterised by a device (210) for the blocking of the armature part (6, 115) of the linear drive (5, 102) in order to control the formation of sheds in dependence on pattern data.
  3. Apparatus in accordance with claim 1, characterised by a frame (11) or a grating (3) for the attachment of the linear drives.
  4. Apparatus in accordance with one of the claims 1 to 3, characterised by at least one strut (8, 131) which is connected to the heddle carrying rails (4).
  5. Apparatus in accordance with one of the claims 1 to 4, characterised by a coupling device (21) which is connected, on the one hand, to the heddle carrying rail (1, 2) and, on the other hand, to the armature part (6).
  6. Apparatus in accordance with one of the claims 1 to 5, characterised in that the heald frames (101, the coupling means (102) as well as the respective linear drives (5, 102) are collected into groups (104; 107; 108) and in that the linear drives (102) of the group are arranged in a staggered manner transverse to the longitudinal extent of the heald frames (101).
  7. Apparatus in accordance with claim 6, characterised in that the groups (104; 107; 108) are arranged at a spacing in the range from 0.20 m to 1.00 m, in particular 0.40 m to 0.60 m.
  8. Apparatus in accordance with one of the claims 6 or 7, characterised in that the heald frames (101), the coupling means (117, 118) and the drive units (105, 106) are executed identically in each case.
  9. Apparatus in accordance with one of the claims 6 to 8, characterised in that the linear drives (102) are arranged in a staggered fashion in like or opposite orientation.
  10. Apparatus in accordance with one of the claims 6 to 9, characterised in that each group (104; 107; 108) comprises at least two heald frames (101), two coupling means (117, 118) as well as two linear drives (102), with the linear drives (101) in each case forming a drive unit (105, 106).
  11. Apparatus in accordance with one of claims 6 to 10, characterised in that the coupling means (103) comprise a drive rod (116) with a receiving section (117) which can be connected to the heald frame.
  12. Apparatus in accordance with one of the claims 6 to 12, characterised in that each drive rod (116) is provided with guide strips (120).
  13. Apparatus in accordance with one of the claims 6 to 12, characterised in that the outer surfaces of the U-shaped section (119) are formed as guide surfaces.
  14. Apparatus in accordance with one of the claims 6 to 13, characterised in that each holder (118, 134) has four pivotal connection points (126) for the linear drive units (102).
  15. Apparatus in accordance with one of the claims 6 to 14, characterised in that a plurality of groups (104) of heald frames are arranged parallel to one another, with the distance between the heald frames (101) of each group (104) being substantially identical to the spacing of the heald frames within a group.
  16. Apparatus in accordance with one of the claims 6 to 15, characterised by a support apparatus (122) for receiving the drive units (105, 106).
  17. Weaving machine with an apparatus in accordance with one of the claims 1 to 16, characterised by a means (29, 141) for receiving a plurality of heald frames.
EP19960810834 1996-03-14 1996-11-29 Shed-forming device and loom with such device Expired - Lifetime EP0795635B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19960810834 EP0795635B1 (en) 1996-03-14 1996-11-29 Shed-forming device and loom with such device

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP96810163 1996-03-14
EP96810163 1996-03-14
EP96810560 1996-08-23
EP96810560A EP0825285A1 (en) 1996-08-23 1996-08-23 Shed-forming device and loom with such device
EP19960810834 EP0795635B1 (en) 1996-03-14 1996-11-29 Shed-forming device and loom with such device

Publications (2)

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EP0795635A1 EP0795635A1 (en) 1997-09-17
EP0795635B1 true EP0795635B1 (en) 2001-06-27

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EP19960810834 Expired - Lifetime EP0795635B1 (en) 1996-03-14 1996-11-29 Shed-forming device and loom with such device

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10310949A (en) * 1997-05-08 1998-11-24 Toyota Autom Loom Works Ltd Loom having linear motor type opening device
DE19821094A1 (en) * 1998-05-12 1999-07-08 Sami Dipl Ing Kaaniche Electromagnetic shank and reed drive for looms
GB9820314D0 (en) * 1998-09-18 1998-11-11 Bonas Machine Co Motive drive for warp selection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074438A (en) * 1959-06-15 1963-01-22 Sdruzeni Podniku Textilniho St Means for fastening the heald frame in looms
DE2310229A1 (en) * 1973-03-01 1974-09-05 Groezinger Maschf Arbach Loom heald frame pneumatic actuators - connected to frame draw bars and provided with cam controlled valves
GB1482640A (en) * 1974-10-23 1977-08-10 Autosyst Ltd Warp selection devices
SE437037B (en) * 1980-05-30 1985-02-04 Nordiskafilt Ab DEVICE FOR REPLACING SHAFT IN A WEB MACHINE
JPS59192749A (en) * 1983-04-11 1984-11-01 株式会社豊田自動織機製作所 Opening apparatus of loom
GB8817765D0 (en) * 1988-07-26 1988-09-01 Palmer R L Loom control
US5069256A (en) * 1989-12-08 1991-12-03 Goodman Jr Robert M Loom harness system with spaced parallel rotating shafts

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