EP1086266A1 - Device for securing a weaving reed to a batten - Google Patents

Device for securing a weaving reed to a batten

Info

Publication number
EP1086266A1
EP1086266A1 EP99926450A EP99926450A EP1086266A1 EP 1086266 A1 EP1086266 A1 EP 1086266A1 EP 99926450 A EP99926450 A EP 99926450A EP 99926450 A EP99926450 A EP 99926450A EP 1086266 A1 EP1086266 A1 EP 1086266A1
Authority
EP
European Patent Office
Prior art keywords
reed
attached
upper profile
connecting element
bar
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
EP99926450A
Other languages
German (de)
French (fr)
Other versions
EP1086266B1 (en
Inventor
Joseph Verhulst
Jozef Peeters
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 EP1086266A1 publication Critical patent/EP1086266A1/en
Application granted granted Critical
Publication of EP1086266B1 publication Critical patent/EP1086266B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/02—Construction of loom framework
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60—Construction or operation of slay
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60—Construction or operation of slay
    • D03D49/62—Reeds mounted on slay

Definitions

  • the invention relates to a device for attaching a reed to a shop bar of a weaving machine, the reed having an upper profile, a lower profile to be attached to the shop bar and lamellae arranged therebetween.
  • reinforcing bars made of solid steel at one or both ends of the reed which are arranged in correspondence with the slats of the reed and parallel to these slats between the upper and the lower profile.
  • Such a reinforcing bar can be straight or have one or more bends. If such a reinforcing rod is provided on the weft insertion side of the reed, this will result in the arrangement of the main blowing nozzles and a cutting device for the weft threads, which should be arranged directly on the fabric edge or the reed.
  • the invention has for its object to provide a device of the type mentioned, with which the risk of breakage of the lamella of the reed can be significantly reduced.
  • the invention ensures that the reed, i.e. especially the upper profile and the slats, do not swing in the longitudinal direction of the reed. This significantly reduces the risk of the slats breaking in the area of the lower profile.
  • the connecting element is flexible transversely to the reed.
  • the connecting element therefore limits the deformability of the slats transversely to the longitudinal direction of the reed when connecting not at the edge of the goods, so that the slats of the reed can deform evenly when struck. This largely prevents streaks in the fabric. Likewise, the risk of the slats breaking in the area of the lower profile due to the stress caused by striking is substantially reduced.
  • the connecting element is a strip made of metal, which is fastened to the upper profile of the reed and at a distance from the end of the reed on the shop beam.
  • the bar is made of steel and transverse to the reed a thickness of the order of 2 mm, parallel to the reed a height of the order of 15 mm and a length of about 100 mm to about 200 mm has.
  • Such a strip ensures that the strip cannot bend under the loads that occur, so that movements of the reed in the longitudinal direction are largely prevented. Movements across it are possible, however, so that the risk of streaking in the tissue is reduced.
  • a holder is attached to the loading beam in the extension of the reed, to which the connecting element is attached.
  • the connecting element can be connected to the loading beam at a distance from the reed.
  • at least one main blowing nozzle is attached to the holder.
  • a weft monitor and / or a stretching device for weft threads are attached to the holder. It is thereby achieved that the holder can also be used for attaching functionally necessary parts, so that the total number of additional parts is very small.
  • FIG. 1 shows a perspective illustration of a device according to the invention for fastening a reed to a shop beam
  • Fig. 4 shows a section along the plane IV of Fig. 1 and
  • Fig. 5 is a perspective view of another embodiment of a device according to the invention.
  • the reed 1 shown in FIGS. 1 and 2 has a plurality of lamellae 2 arranged side by side in a row.
  • the lamellae 2 have a U-shaped recess approximately in their center, which together form a guide channel 3 for a weft thread.
  • the slats 2 are fastened in an upper profile 4 and in a lower profile 5.
  • the slats 2 are held both in the upper profile 4 and in the lower profile 5 by means of so-called connecting spirals 7, 8 at a predetermined distance from one another.
  • the slats 2 are glued together with a connecting spiral 7 and 8 and holding rods 9 and 10 in the upper profile 4 and in the lower profile 5.
  • the lower profile 5 is fastened to a shop beam 12 by means of a feather key 11 and screws 13.
  • the shop bar 12 is fastened in a known manner by means of shop stilts to a shop shaft running parallel to the shop bar 12.
  • an elongated connecting bar 14 is attached to the reed 1, which extends essentially in the longitudinal direction A of the reed 1 and which prevents the reed 1 from moving in this longitudinal direction A.
  • the connecting bar 14 is attached in the embodiment on the weft insertion side of the reed 1.
  • the connecting bar 14, which is made of steel, for example, has a thickness in the transverse direction B of the order of 2 mm. The height is of the order of 15 mm.
  • the connecting bar also has a length of the order of about 100 mm to about 200 mm.
  • the end 15 of the connecting bar 14 is connected to the shop bar 12 at a distance from the reed 1.
  • a fastening part 17 is attached, which is attached by means of a screw connection 16 to a holder 18 which is fastened to the loading beam 12.
  • the attachment takes place in accordance with the attachment of the lower profile 5, namely with the aid of a parallel key 19 and screws 20.
  • the holder 18 is in the form of a bent sheet metal plate, which in an air jet loom also serves to hold one or more main blowing nozzles 21, 22, as shown in FIGS. 1 and 3.
  • a holder 23 of the two main blowing nozzles 21, 22 is fastened to the holder 18 by means of screws 24.
  • the ends of the nozzle tubes 25, 26 of the main blowing nozzles 21, 22 are also fastened to the holder 18 by means of a further holder 27 and a screw 28.
  • the end 29 of the connecting bar 14 belonging to the reed 1 is attached to the upper profile 4 of the reed 1.
  • a strip 30 is inserted in the U-shaped recess of the profile 4, which extends away from the slats 2.
  • This bar 30 is approximately as wide as the upper areas of the slats 2 of the reed 1, which are glued into the recess of the upper profile 4.
  • the strip 30 can therefore corresponding to the slats 2 in the recess of the upper fils 4 can be arranged.
  • the strip 30 connects to the first lamella 2A of the reed 1 and to the end of the connecting spiral 7.
  • the holding rods 9 extend over a certain length beyond the first lamella 2A and the connecting spiral 7.
  • the strip 30 is glued to the upper profile 4 together with the holding rods 9.
  • the holding rods 9 can be welded to the bar 30.
  • a strong connection between the bar 30 and the upper profile 4 is required because this connection must absorb relatively high forces.
  • a retaining strip 32 is additionally glued to the back of the upper profile 4 of the reed 1.
  • the connecting bar 14 is arranged between the bar 30 and the holding bar 32 and held by means of a screw 31.
  • the strip 30 is preferably made of steel, since this is advantageous for fastening the connecting strip 14 by means of a screw 31.
  • the connecting strip 14 has a thickness which essentially corresponds to the thickness of the rear leg 33 (FIG. 2) of the upper profile 4. After tightening the screw 31, the bar 30 and the holding bar 32 then remain aligned essentially parallel to one another. This construction is particularly suitable for reeds in which the upper profile 4 consists of aluminum or another relatively light metal, which itself has a relatively low strength.
  • the connecting bar 14 is fastened directly to the upper profile 4 of the reed 1 by means of a screw.
  • This solution is advantageous, for example, when the upper profile 4 of the reed 1 is made of steel or another material with a relatively high strength.
  • connection strip is arranged on the opposite side of the 'loom reed 1 34 in which, ie where the Schußeintragsei- te opposite side.
  • the connecting bar 34 is connected to the embodiment according to FIG. 1 with one end 39 to the upper profile 4 of the reed 1 and with its end 40 to a holder 35.
  • a weft monitor 36 and / or a stretching device 37 for weft threads are attached, which are thus arranged directly next to the reed 1.
  • the shot guard 36 and the stretching device 37 are each fastened to the holder 35 by means of screws 41 and 42.
  • a connecting bar 14 is arranged both on the weft insertion side according to FIG. 1 of the reed 1 and a connecting bar 34 is arranged on the opposite side according to FIG. 5.
  • the attachment of one or both elongated connecting strips 14, 34 prevents the reed 1 and in particular the upper profile 4 and the slats 2 from swinging in the longitudinal direction A during weaving.
  • the connecting strips 14 and / or 34 absorb tensile and compressive forces which prevent the upper profile 4 from moving to the weft insertion side and in the opposite direction.
  • the connecting strips 14 and 34 are dimensioned such that they are strong enough not to buckle under pressure. It has been calculated that a connecting bar 14 or 34 with a thickness of about 2 mm and a height of about 15 mm offers sufficient resistance to buckling when forces are exerted at a weaving speed of 1,200 picks per minute and a corresponding number of stops occur.
  • the elongated connecting strips 14 and / or 34 impair at most to a small extent that the end area 6 of the reed 1 in the area of the main blowing nozzles 21, 22 and / or the end area 38 of the reed 1 in the area of the weft guard 36 or the stretching device 37 in the transverse direction. move device B.
  • the mobility of the reed 1 in these areas 6 and 38 is not restricted compared to the central areas. This is achieved in that the connecting strips 14 and / or 34 are relatively long, so that they do not offer excessive resistance to bending in the transverse direction B. This ensures that there are no stripes or other irregularities in the area of the fabric edges due to the different mobility of the reed 1 in the transverse direction B.
  • the elongated connecting elements 14 or 34 do not necessarily have to have a strip-like shape. They can, for example, be round or angular rods with any cross section, which, however, should be designed so that they largely prevent movement of the reed 1 in the longitudinal direction A, but allow the movement of the reed 1 in the transverse direction B. Under certain circumstances, it is also possible to provide ropes, in particular steel ropes or also plastic ropes, as connecting elements.

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

Abstract

An oblong connecting strip (14) is provided to secure a weaving reed (1) to the batten 12) of a mechanical loom. The connecting strip runs in a substantially longitudinal direction (A) of said weaving reed (1) and is connected to the upper profiled section (4) of the weaving reed (1) in addition to being connected to the batten (12) at a distance from the weaving reed (1) in order to reduce the movement of the weaving reed (1) in a longitudinal direction (A).

Description

Vorrichtung zum Befestigen eines Webblattes an einem Device for attaching a reed to a
LadenbalkenLoading bar
Die Erfindung betrifft eine Vorrichtung zum Befestigen eines Webblattes an einem Ladenbalken einer Webmaschine, wobei das Webblatt ein oberes Profil, ein unteres, an dem Ladenbalken anzubringendes Profil und dazwischen angeordnete Lamellen aufweist .The invention relates to a device for attaching a reed to a shop bar of a weaving machine, the reed having an upper profile, a lower profile to be attached to the shop bar and lamellae arranged therebetween.
Es ist bekannt, daß das untere Profil eines Webblattes mit einer Klemmverbindung, beispielsweise einer Paßfeder, an einem Ladenbalken befestigt wird. Bei hohen Webgeschwindigkeiten, d.h. Webgeschwindigkeiten in der Größenordnung von 1.000 Schußeinträgen oder mehr pro Minute ist festgestellt worden, daß die Lamellen von Webblättern im Bereich des unteren Profiles brechen.It is known that the lower profile of a reed is attached to a shop beam with a clamp connection, for example a feather key. At high weaving speeds, i.e. Weaving speeds on the order of 1,000 weft entries or more per minute have been found to cause the lamellae of reeds to break in the area of the lower profile.
Es ist bekannt, an einem oder beiden Enden des Webblattes Verstärkungstäbe aus massivem Stahl vorzusehen, die entsprechend den Lamellen des Webblattes und parallel zu diesen Lamellen zwischen dem oberen und dem unteren Profil angeordnet werden. Ein derartiger Verstärkungsstab kann gerade sein oder eine oder mehrere Biegungen aufweisen. Wenn ein derartiger Verstärkungsstab auf der Schußeintragseite des Webblattes vorgesehen ist, wird dadurch die Anordnung der Hauptblasdüsen und einer Schneidvorrichtung für die Schußfäden erschwert, die unmittelbar an der Gewebekante oder dem Webblatt angeordnet werden sollten. Wird ein derartiger Verstärkungsstab auf der gegenüberliegenden Seite des Webblattes angebracht, so erschwert das die Anordnung eines Schußwächters oder einer Streckvorrichtung für Schußfäden, die ebenfalls direkt an der Seitenkante des Gewebes oder am Webblatt angeordnet werden sollten. Dies führt in vielen Fällen zu einem Gewebe mit relativ breiten Abfallkanten. Darüber hinaus können sich Streifen im Bereich der Gewebekanten ergeben, die sich im Bereich eines Verstärkungsstabes aus massivem Stahl befinden. Bei hohen Webgeschwindigkeiten kann darüber hinaus ein derartiger Verstärkungsstab nur in unzureichender Weise verhindern, daß die Lamellen des Webblattes dennoch am unteren Profil des Webblattes brechen.It is known to provide reinforcing bars made of solid steel at one or both ends of the reed which are arranged in correspondence with the slats of the reed and parallel to these slats between the upper and the lower profile. Such a reinforcing bar can be straight or have one or more bends. If such a reinforcing rod is provided on the weft insertion side of the reed, this will result in the arrangement of the main blowing nozzles and a cutting device for the weft threads, which should be arranged directly on the fabric edge or the reed. If such a reinforcing rod is attached to the opposite side of the reed, this complicates the arrangement of a weft guard or a stretching device for weft threads, which should also be arranged directly on the side edge of the fabric or on the reed. In many cases, this leads to a fabric with relatively wide waste edges. In addition, there may be stripes in the area of the fabric edges, which are located in the area of a reinforcing bar made of solid steel. At high weaving speeds, such a reinforcement rod can also inadequately prevent the lamellae of the reed from breaking at the lower profile of the reed.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, mit der die Gefahr von Brüchen der Lamellen des Webblattes wesentlich vermindert werden kann .The invention has for its object to provide a device of the type mentioned, with which the risk of breakage of the lamella of the reed can be significantly reduced.
Diese Aufgabe wird dadurch gelöst, daß das obere Profil des Webblattes wenigstens im Bereich seines Endes mittels eines sich im wesentlichen in Längsrichtung des Webblattes erstrek- kenden Verbindungselementes gegen Bewegungen in dieser Längsrichtung an dem Ladebalken gesichert ist.This object is achieved in that the upper profile of the reed is secured against movements in this longitudinal direction on the loading beam at least in the region of its end by means of a connecting element which extends essentially in the longitudinal direction of the reed.
Durch die Erfindung wird erreicht, daß das Webblatt, d.h. vor allem das obere Profil und die Lamellen, nicht in Längsrichtung des Webblattes schwingen. Dadurch wird die Gefahr eines Bruches der Lamellen im Bereich des unteren Profils schon wesentlich verringert.The invention ensures that the reed, i.e. especially the upper profile and the slats, do not swing in the longitudinal direction of the reed. This significantly reduces the risk of the slats breaking in the area of the lower profile.
In weiterer Ausgestaltung der Erfindung wird vorgesehen, daß das Verbindungselement quer zum Webblatt flexibel ist. Das Verbindungselement schränkt deshalb die Verformbarkeit der Lamellen quer zur Längsrichtung des Webblattes beim Anschla- gen an den Warenrand nicht ein, so daß sich die Lamellen des Webblattes bei dem Anschlagen gleichmäßig verformen können. Damit werden Streifen im Gewebe weitgehend verhindert. Ebenso wird die Gefahr von Brüchen der Lamellen im Bereich des unteren Profils aufgrund der Beanspruchung durch das Anschlagen wesentlich verringert.In a further embodiment of the invention it is provided that the connecting element is flexible transversely to the reed. The connecting element therefore limits the deformability of the slats transversely to the longitudinal direction of the reed when connecting not at the edge of the goods, so that the slats of the reed can deform evenly when struck. This largely prevents streaks in the fabric. Likewise, the risk of the slats breaking in the area of the lower profile due to the stress caused by striking is substantially reduced.
Bei einer bevorzugten Ausführungsform wird vorgesehen, daß das Verbindungselement eine Leiste aus Metall ist, die an dem oberen Profil des Webblattes und in Abstand zu dem Ende des Webblattes an dem Ladenbalken befestigt ist. Bei einer vorteilhaften Lösung ist vorgesehen, daß die Leiste aus Stahl hergestellt ist und quer zu dem Webblatt eine Dicke in der Größenordnung von 2 mm, parallel zu dem Webblatt eine Höhe in der Größenordnung von 15 mm und eine Länge von etwa 100 mm bis etwa 200 mm besitzt. Eine derartige Leiste stellt sicher, daß die Leiste bei den auftretenden Belastungen nicht abknik- ken kann, so daß Bewegungen des Webblattes in Längsrichtung weitgehend verhindert werden. Bewegungen quer dazu sind jedoch möglich, so daß die Gefahr der Ausbildung von Streifen im Gewebe reduziert ist.In a preferred embodiment it is provided that the connecting element is a strip made of metal, which is fastened to the upper profile of the reed and at a distance from the end of the reed on the shop beam. In an advantageous solution it is provided that the bar is made of steel and transverse to the reed a thickness of the order of 2 mm, parallel to the reed a height of the order of 15 mm and a length of about 100 mm to about 200 mm has. Such a strip ensures that the strip cannot bend under the loads that occur, so that movements of the reed in the longitudinal direction are largely prevented. Movements across it are possible, however, so that the risk of streaking in the tissue is reduced.
In weiterer Ausgestaltung der Erfindung wird vorgesehen, daß an dem Ladenbalken in Verlängerung des Webblattes eine Halte- rung angebracht ist, an welcher das Verbindungselement befestigt ist. Dadurch kann das Verbindungselement in einfacher Weise in einem Abstand zum Webblatt mit dem Ladenbalken verbunden werden. Bei einer Luftdüsenwebmaschine wird zweckmäßigerweise vorgesehen, daß an der Halterung wenigstens eine Hauptblasdüse angebracht ist. Wenn das Verbindungselement gegenüber der Eintragseite angeordnet wird, so wird zweckmäßigerweise vorgesehen, daß an der Halterung ein Schußwächter und/oder eine Streckvorrichtung für Schußfäden angebracht sind. Dadurch wird erreicht, daß die Halterung zusätzlich zum Anbringen von funktionsnotwendigen Teile ausgenutzt werden kann, so daß insgesamt die Anzahl zusätzlicher Teile sehr gering ist . Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung der in der Zeichnung dargestellten Ausführungsformen und den Unteransprüchen.In a further embodiment of the invention it is provided that a holder is attached to the loading beam in the extension of the reed, to which the connecting element is attached. As a result, the connecting element can be connected to the loading beam at a distance from the reed. In an air jet weaving machine, it is expediently provided that at least one main blowing nozzle is attached to the holder. If the connecting element is arranged opposite the entry side, it is expediently provided that a weft monitor and / or a stretching device for weft threads are attached to the holder. It is thereby achieved that the holder can also be used for attaching functionally necessary parts, so that the total number of additional parts is very small. Further features and advantages of the invention result from the following description of the embodiments shown in the drawing and the subclaims.
Fig. 1 zeigt eine perspektivische Darstellung einer erfin- dungsmemäßen Vorrichtung zum Befestigen eines Webblattes an einem Ladenbalken,1 shows a perspective illustration of a device according to the invention for fastening a reed to a shop beam,
Fig. 2 einen Schnitt entlang der Ebene II der Fig. 1,2 shows a section along the plane II of FIG. 1,
Fig. 3 einen Schnitt entlang der Ebene III der Fig. 1,3 shows a section along the plane III of FIG. 1,
Fig. 4 einen Schnitt entlang der Ebene IV der Fig. 1 undFig. 4 shows a section along the plane IV of Fig. 1 and
Fig. 5 eine perspektivische Darstellung einer weiteren Ausführungsform einer erfindungsgemäßen Vorrichtung.Fig. 5 is a perspective view of another embodiment of a device according to the invention.
Das in Fig. 1 und 2 dargestellte Webblatt 1 besitzt eine Vielzahl von in einer Reihe nebeneinander angeordneten Lamellen 2. Die Lamellen 2 besitzen in etwa in ihrer Mitte eine U- förmige Aussparung, die zusammen einen Führungskanal 3 für einen Schußfaden bilden. Die Lamellen 2 sind in einem oberen Profil 4 und in einem unteren Profil 5 befestigt. Die Lamellen 2 sind sowohl im oberen Profil 4 als auch im unteren Profil 5 mittels sogenannter Verbindungsspiralen 7, 8 in einem vorgegebenen Abstand zueinander gehalten. Die Lamellen 2 sind zusammen mit einer Verbindungsspirale 7 und 8 und Haltestäben 9 und 10 in das obere Profil 4 und in das untere Profil 5 eingeklebt. Das untere Profil 5 ist mittels einer Paßfeder 11 und Schrauben 13 an einem Ladenbalken 12 befestigt. Der Ladenbalken 12 ist in bekannter Weise mittels Ladenstelzen an einer parallel zu dem Ladenbalken 12 verlaufende Ladenwelle befestigt . Zusätzlich ist an dem Webblatt 1 eine langgestreckte Verbindungsleiste 14 angebracht, die sich im wesentlichen in Längsrichtung A des Webblattes 1 erstreckt und die eine Bewegung des Webblattes 1 in dieser Längsrichtung A verhindert . Die Verbindungsleiste 14 ist bei dem Ausführungsbeispiel auf der Schußeintragseite des Webblattes 1 angebracht. Die Verbindungsleiste 14, die beispielsweise aus Stahl besteht, weist in Querrichtung B eine Dicke in der Größenordnung von 2 mm auf. Die Höhe beträgt in der Größenordnung von 15 mm. Die Verbindungsleiste hat ferner eine Länge in der Größenordnung von etwa 100 mm bis etwa 200 mm.The reed 1 shown in FIGS. 1 and 2 has a plurality of lamellae 2 arranged side by side in a row. The lamellae 2 have a U-shaped recess approximately in their center, which together form a guide channel 3 for a weft thread. The slats 2 are fastened in an upper profile 4 and in a lower profile 5. The slats 2 are held both in the upper profile 4 and in the lower profile 5 by means of so-called connecting spirals 7, 8 at a predetermined distance from one another. The slats 2 are glued together with a connecting spiral 7 and 8 and holding rods 9 and 10 in the upper profile 4 and in the lower profile 5. The lower profile 5 is fastened to a shop beam 12 by means of a feather key 11 and screws 13. The shop bar 12 is fastened in a known manner by means of shop stilts to a shop shaft running parallel to the shop bar 12. In addition, an elongated connecting bar 14 is attached to the reed 1, which extends essentially in the longitudinal direction A of the reed 1 and which prevents the reed 1 from moving in this longitudinal direction A. The connecting bar 14 is attached in the embodiment on the weft insertion side of the reed 1. The connecting bar 14, which is made of steel, for example, has a thickness in the transverse direction B of the order of 2 mm. The height is of the order of 15 mm. The connecting bar also has a length of the order of about 100 mm to about 200 mm.
Das Ende 15 der Verbindungsleiste 14 ist in Abstand zu dem Webblatt 1 mit dem Ladenbalken 12 verbunden. An dem Ende 15 ist ein Befestigungsteil 17 angebracht, das mittels einer Schraubverbindung 16 an einer Halterung 18 angebracht ist, die an dem Ladenbalken 12 befestigt ist. Die Befestigung erfolgt entsprechend der Befestigung des unteren Profils 5, nämlich mit Hilfe einer Paßfeder 19 und Schrauben 20.The end 15 of the connecting bar 14 is connected to the shop bar 12 at a distance from the reed 1. At the end 15, a fastening part 17 is attached, which is attached by means of a screw connection 16 to a holder 18 which is fastened to the loading beam 12. The attachment takes place in accordance with the attachment of the lower profile 5, namely with the aid of a parallel key 19 and screws 20.
Die Halterung 18 hat die Form einer geknickten Blechplatte, die bei einer Luftdüsenwebmaschine noch dazu dient, wie dies in Fig. 1 und 3 dargestellt ist, eine oder mehrere Hauptblas- düsen 21, 22 zu halten. Hierzu ist ein Halter 23 der beiden Hauptblasdüsen 21, 22 mittels Schrauben 24 an der Halterung 18 befestigt. Die Enden der Düsenrohre 25, 26 der Hauptblasdüsen 21, 22 sind mittels eines weiteren Halters 27 und einer Schraube 28 ebenfalls an der Halterung 18 befestigt.The holder 18 is in the form of a bent sheet metal plate, which in an air jet loom also serves to hold one or more main blowing nozzles 21, 22, as shown in FIGS. 1 and 3. For this purpose, a holder 23 of the two main blowing nozzles 21, 22 is fastened to the holder 18 by means of screws 24. The ends of the nozzle tubes 25, 26 of the main blowing nozzles 21, 22 are also fastened to the holder 18 by means of a further holder 27 and a screw 28.
Das zu dem Webblatt 1 gehörige Ende 29 der Verbindungsleiste 14 ist an dem oberen Profil 4 des Webblattes 1 angebracht. Hierzu ist eine Leiste 30 in der U-förmigen Aussparung des Profils 4 eingesetzt, die sich von den Lamellen 2 hinweg erstreckt. Diese Leiste 30 ist etwa so breit wie die oberen Bereiche der Lamellen 2 des Webblattes 1, die in die Aussparung des oberen Profils 4 geklebt sind. Die Leiste 30 kann deshalb entsprechend den Lamellen 2 in der Aussparung des oberen Pro- fils 4 angeordnet werden. Die Leiste 30 schließt an die erste Lamelle 2A des Webblattes 1 und an das Ende der Verbindungs- spirale 7 an. Die Haltestäbe 9 verlaufen über eine bestimmte Länge über die ersten Lamelle 2A und die Verbindungsspriale 7 hinaus. Die Leiste 30 ist zusammen mit den Haltestäben 9 an das obere Profil 4 angeklebt. Daüber hinaus können die Haltestäbe 9 an die Leiste 30 angeschweißt werden. Eine kräftige Verbindung zwischen der Leiste 30 und dem oberen Profil 4 ist erforderlich, da diese Verbindung relativ hohe Kräfte aufnehmen muß. Bei der dargestellten Ausführungsform ist zusätzlich eine Halteleiste 32 an die Rückseite des oberen Profils 4 des Webblattes 1 angeklebt. Die Verbindungsleiste 14 ist zwischen der Leiste 30 und der Halteleiste 32 angeordnet und mittels einer Schraube 31 gehalten. Vorzugsweise ist die Leiste 30 aus Stahl, da dies für die Befestigung der Verbindungsleiste 14 mittels einer Schraube 31 vorteilhaft ist. Bei dem Ausfüh- rungsbeispiel weist die Verbindungsleiste 14 eine Dicke auf, die im wesentlichen der Dicke des hinteren Schenkels 33 (Fig. 2) des oberen Profils 4 entspricht. Nach Anziehen der Schraube 31 bleiben dann die Leiste 30 und die Halteleiste 32 im wesentlichen parallel zueinander ausgerichtet. Diese Konstruktion ist besonders geeignet bei Webblättern, bei welchen das obere Profil 4 aus Aluminium oder einem anderen relativ leichten Metall besteht, das selbst eine relativ geringe Festigkeit aufweist.The end 29 of the connecting bar 14 belonging to the reed 1 is attached to the upper profile 4 of the reed 1. For this purpose, a strip 30 is inserted in the U-shaped recess of the profile 4, which extends away from the slats 2. This bar 30 is approximately as wide as the upper areas of the slats 2 of the reed 1, which are glued into the recess of the upper profile 4. The strip 30 can therefore corresponding to the slats 2 in the recess of the upper fils 4 can be arranged. The strip 30 connects to the first lamella 2A of the reed 1 and to the end of the connecting spiral 7. The holding rods 9 extend over a certain length beyond the first lamella 2A and the connecting spiral 7. The strip 30 is glued to the upper profile 4 together with the holding rods 9. In addition, the holding rods 9 can be welded to the bar 30. A strong connection between the bar 30 and the upper profile 4 is required because this connection must absorb relatively high forces. In the illustrated embodiment, a retaining strip 32 is additionally glued to the back of the upper profile 4 of the reed 1. The connecting bar 14 is arranged between the bar 30 and the holding bar 32 and held by means of a screw 31. The strip 30 is preferably made of steel, since this is advantageous for fastening the connecting strip 14 by means of a screw 31. In the exemplary embodiment, the connecting strip 14 has a thickness which essentially corresponds to the thickness of the rear leg 33 (FIG. 2) of the upper profile 4. After tightening the screw 31, the bar 30 and the holding bar 32 then remain aligned essentially parallel to one another. This construction is particularly suitable for reeds in which the upper profile 4 consists of aluminum or another relatively light metal, which itself has a relatively low strength.
Bei einer abgewandelten Ausführungsform ist die Verbindungs- leiste 14 unmittelbar mittels einer Schraube an dem oberen Profil 4 des Webblattes 1 befestigt. Diese Lösung ist beispielsweise dann vorteilhaft, wenn das obere Profil 4 des Webblattes 1 aus Stahl oder einem anderen Material mit relativ hoher Festigkeit besteht.In a modified embodiment, the connecting bar 14 is fastened directly to the upper profile 4 of the reed 1 by means of a screw. This solution is advantageous, for example, when the upper profile 4 of the reed 1 is made of steel or another material with a relatively high strength.
In Fig. 5 ist eine Ausführungsform dargestellt, die ebenfalls die bereits geschilderten Vorteile bietet, bei der jedoch eine Verbindungsleiste 34 an der gegenüberliegenden Seite des' Webblattes 1 angeordnet ist, d.h. an der der Schußeintragsei- te gegenüberliegenden Seite. Die Verbindungsleiste 34 ist entsprechend zu der Ausführungsform nach Fig. 1 mit einem Ende 39 mit dem oberen Profil 4 des Webblattes 1 und mit seinem Ende 40 mit einer Halterung 35 verbunden. Auf der Halterung 35, die ebenfalls eine gekantete Blechplatte ist, sind ein Schußwächter 36 und/oder eine Streckvorrichtung 37 für Schußfäden angebracht, die somit unmittelbar neben dem Webblatt 1 angeordnet sind. Der Schußwächter 36 und die Streckvorrichtung 37 sind jeweils mittels einer Schraube 41 und 42 an der Halterung 35 befestigt.In Fig. 5, an embodiment is illustrated which also has the advantages already described, however, a connection strip is arranged on the opposite side of the 'loom reed 1 34 in which, ie where the Schußeintragsei- te opposite side. The connecting bar 34 is connected to the embodiment according to FIG. 1 with one end 39 to the upper profile 4 of the reed 1 and with its end 40 to a holder 35. On the holder 35, which is also a folded sheet metal plate, a weft monitor 36 and / or a stretching device 37 for weft threads are attached, which are thus arranged directly next to the reed 1. The shot guard 36 and the stretching device 37 are each fastened to the holder 35 by means of screws 41 and 42.
Bei einer weiteren, nicht dargestellten Ausführungsform ist vorgesehen, daß sowohl an der Schußeintragseite entsprechend Fig. 1 des Webblattes 1 eine Verbindungsleiste 14 als auch an der gegenüberliegenden Seite entsprechend Fig. 5 eine Verbindungsleiste 34 angeordnet sind.In a further embodiment, not shown, it is provided that a connecting bar 14 is arranged both on the weft insertion side according to FIG. 1 of the reed 1 and a connecting bar 34 is arranged on the opposite side according to FIG. 5.
Die Anbringung einer oder beider langgestreckten Verbindungs- leisten 14, 34 verhindert, daß das Webblatt 1 und insbesondere das obere Profil 4 und die Lamellen 2 beim Weben in Längsrichtung A schwingen. Die Verbindungsleisten 14 und/oder 34 nehmen Zugkräfte und Druckkräfte auf, die eine Bewegung des oberen Profils 4 zur Schußeintragseite und in entgegengesetzter Richtung verhindern. Die Verbindungsleisten 14 und 34 sind so bemessen, daß sie ausreichend stark sind, um bei Druckkräften nicht auszuknicken. Es ist berechnet worden, daß eine Verbindungsleiste 14 oder 34 mit einer Dicke von etwa 2 mm und einer Höhe von etwa 15 mm einen ausreichenden Widerstand gegen ein Ausknicken bietet, wenn Kräfte wirken, die bei einer Webgeschwindigkeit von 1.200 Schüssen pro Minute und entsprechend vielen Anschlägen auftreten.The attachment of one or both elongated connecting strips 14, 34 prevents the reed 1 and in particular the upper profile 4 and the slats 2 from swinging in the longitudinal direction A during weaving. The connecting strips 14 and / or 34 absorb tensile and compressive forces which prevent the upper profile 4 from moving to the weft insertion side and in the opposite direction. The connecting strips 14 and 34 are dimensioned such that they are strong enough not to buckle under pressure. It has been calculated that a connecting bar 14 or 34 with a thickness of about 2 mm and a height of about 15 mm offers sufficient resistance to buckling when forces are exerted at a weaving speed of 1,200 picks per minute and a corresponding number of stops occur.
Die langgestreckten Verbindungsleisten 14 und/oder 34 beeinträchtigen allenfalls in geringem Maße, daß sich der Endbereich 6 des Webblattes 1 im Bereich der Hauptblasdüsen 21, 22 und/oder der Endbereich 38 des Webblattes 1 im Bereich des Schußwächters 36 oder der Streckvorrichtung 37 in Querrich- tung B bewegen. Die Beweglichkeit des Webblattes 1 in diesen Bereichen 6 und 38 ist gegenüber den mittleren Bereichen nicht eingeschränkt. Dies wird dadurch erreicht, daß die Verbindungsleisten 14 und/oder 34 relativ lang sind, so daß sie einem Biegen in Querrichtung B keine allzu großen Widerstand entgegensetzen. Damit wird sichergestellt, daß sich nicht aufgrund unterschiedlicher Beweglichkeit des Webblattes 1 in Querrichtung B Streifen oder sonstige Unregelmäßigkeiten im Bereich der Gewebekanten ergeben. Da jedoch Bewegungen und Schwingungen des oberen Profils 4 in Längsrichtung A weitgehend verhindert werden, werden die Lamellen 2 des Webblattes 1 im Bereich des unteren Profils 5 weniger beansprucht, so daß die Gefahr von Brüchen der Lamellen 2 in diesem Bereich deutlich verringert ist .The elongated connecting strips 14 and / or 34 impair at most to a small extent that the end area 6 of the reed 1 in the area of the main blowing nozzles 21, 22 and / or the end area 38 of the reed 1 in the area of the weft guard 36 or the stretching device 37 in the transverse direction. move device B. The mobility of the reed 1 in these areas 6 and 38 is not restricted compared to the central areas. This is achieved in that the connecting strips 14 and / or 34 are relatively long, so that they do not offer excessive resistance to bending in the transverse direction B. This ensures that there are no stripes or other irregularities in the area of the fabric edges due to the different mobility of the reed 1 in the transverse direction B. However, since movements and vibrations of the upper profile 4 in the longitudinal direction A are largely prevented, the slats 2 of the reed 1 are less stressed in the area of the lower profile 5, so that the risk of breakage of the slats 2 in this area is significantly reduced.
Die langgestreckten Verbindungselemente 14 oder 34 müssen nicht notwendigerweise eine leistenförmige Gestalt haben. Sie können beispielsweise runde oder eckige Stäbe mit einem beliebigen Querschnitt sein, die jedoch so ausgelegt sein sollen, daß sie eine Bewegung des Webblattes 1 in Längsrichtung A weitgehend verhindern, jedoch die Bewegung des Webblattes 1 in Querrichtung B zulassen. Unter Umständen ist es auch möglich, als Verbindungselemente Seile, insbesondere Stahlseile oder auch Kunststoffseile, vorzusehen.The elongated connecting elements 14 or 34 do not necessarily have to have a strip-like shape. They can, for example, be round or angular rods with any cross section, which, however, should be designed so that they largely prevent movement of the reed 1 in the longitudinal direction A, but allow the movement of the reed 1 in the transverse direction B. Under certain circumstances, it is also possible to provide ropes, in particular steel ropes or also plastic ropes, as connecting elements.
Die Erfindung beschränkt sich nicht auf die dargestellten und beschriebenen Ausführungsbeispiele. Im Rahmen der Erfindung, der durch die beigefügten Patentansprüche festgelegt wird, sind ohne weiteres Änderungen und/oder andere Kombinationen möglich. The invention is not limited to the exemplary embodiments shown and described. Within the scope of the invention, which is defined by the appended claims, changes and / or other combinations are possible without further notice.

Claims

Patentansprüche claims
1. Vorrichtung zum Befestigen eines Webblattes (1) an einem Ladenbalken (12) einer Webmaschine, wobei das Webblatt1. Device for attaching a reed (1) to a shop bar (12) of a weaving machine, the reed
(1) ein oberes Profil (4) , ein unteres, an dem Ladenbalken (12) anzubringendes Profil (5) und dazwischen angeordnete Lamellen (2) aufweist, d a d u r c h g e k e n n z e i c h n e t , d a ß das obere Profil (4) des Webblattes (1) wenigsten im Bereich eines Endes (6, 38) mittels eines sich im wesentlichen in Längsrichtung des Webblattes (1) erstreckenden Verbindungse- lementeε (14, 34) gegen Bewegungen in dieser Längsrichtung (A) an dem Ladenbalken (12) gesichert ist.(1) has an upper profile (4), a lower profile (5) to be attached to the loading beam (12) and slats (2) arranged between them, characterized in that the upper profile (4) of the reed (1) has at least one Area of one end (6, 38) is secured against movements in this longitudinal direction (A) on the loading beam (12) by means of a connecting element (14, 34) extending essentially in the longitudinal direction of the reed (1).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Verbindungselement (14, 34) in Querrichtung (B) zum Webblatt (1) flexibel ist.2. Device according to claim 1, characterized in that the connecting element (14, 34) in the transverse direction (B) to the reed (1) is flexible.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Verbindungselement eine Leiste (14, 34) aus Metall vorgesehen ist, die an dem oberen Profil (4) des Webblattes (1) und in Abstand zu dem Ende des Webblattes (1) an dem Ladenbalken (12) befestigt ist.3. Apparatus according to claim 1 or 2, characterized in that a strip (14, 34) made of metal is provided as the connecting element, which on the upper profile (4) of the reed (1) and at a distance from the end of the reed (1st ) is attached to the loading beam (12).
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Leiste (14, 34) aus Stahl hergestellt ist und quer zum Webblatt (1) eine Dicke in der Größenordnung von 2 mm, parallel zum Webblatt eine Höhe in der Größenordnung von 15 mm und eine Länge von etwa 100 mm bis etwa 200 mm besitzt.4. The device according to claim 3, characterized in that the strip (14, 34) is made of steel and transverse to the reed (1) a thickness in the order of 2 mm, parallel to the reed a height in the order of 15 mm and has a length of about 100 mm to about 200 mm.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß an dem Ladenbalken (12) in Verlängerung des Webblattes (1) eine Halterung (18, 35) angebracht ist, an welcher das Verbindungselement (14, 34) befestigt ist. 5. Device according to one of claims 1 to 4, characterized in that on the loading beam (12) in extension of the reed (1) a bracket (18, 35) is attached to which the connecting element (14, 34) is attached.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß an der Halterung (18) wenigstens eine Hauptblasdüse (21, 22) befestigt ist.6. The device according to claim 5, characterized in that at least one main blowing nozzle (21, 22) is attached to the holder (18).
7. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß an der Halterung (35) wenigstens ein Schußwächter (36) und/oder eine Streckvorrichtung (37) für Schußfäden angebracht sind.7. The device according to claim 5, characterized in that on the holder (35) at least one weft monitor (36) and / or a stretching device (37) for weft threads are attached.
8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Ende des oberen Profils (4) des Webblattes (1) mit Befestigungsmitteln (30, 31, 32) für das Verbindungselement (14, 34) versehen ist.8. Device according to one of claims 1 to 7, characterized in that the end of the upper profile (4) of the reed (1) with fastening means (30, 31, 32) for the connecting element (14, 34) is provided.
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß wenigstens ein Teil (30, 32) der Befestigungsmittel an dem oberen Profil (4) des Webblattes (1) angeklebt ist.9. The device according to claim 8, characterized in that at least a part (30, 32) of the fastening means on the upper profile (4) of the reed (1) is glued.
10. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß wenigstens ein Teil der Befestigungsmittel (30, 32) mit Elementen (9) des Webblattes (1) verschweißt ist. 10. The device according to claim 8, characterized in that at least part of the fastening means (30, 32) with elements (9) of the reed (1) is welded.
EP99926450A 1998-06-10 1999-05-28 Device and method for securing a weaving reed to a batten and corresponding reed Expired - Lifetime EP1086266B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9800448A BE1012033A3 (en) 1998-06-10 1998-06-10 Mounting for a cane.
BE9800448 1998-06-10
PCT/EP1999/003686 WO1999064653A1 (en) 1998-06-10 1999-05-28 Device for securing a weaving reed to a batten

Publications (2)

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EP1086266A1 true EP1086266A1 (en) 2001-03-28
EP1086266B1 EP1086266B1 (en) 2003-04-09

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EP (1) EP1086266B1 (en)
JP (1) JP4511727B2 (en)
KR (1) KR100539017B1 (en)
CN (2) CN1306089C (en)
BE (1) BE1012033A3 (en)
DE (1) DE59904965D1 (en)
WO (1) WO1999064653A1 (en)

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Publication number Priority date Publication date Assignee Title
BE1012033A3 (en) * 1998-06-10 2000-04-04 Picanol Nv Mounting for a cane.
KR100519604B1 (en) * 2003-03-26 2005-10-10 주식회사 금강시스템 Anti reed tremble device of air jet loom
JP5578879B2 (en) * 2010-02-25 2014-08-27 デュプロ精工株式会社 Waste paper processing equipment
CN104264343B (en) * 2014-08-29 2015-11-18 深圳市海弘装备技术有限公司 A kind of reed locating and clamping apparatus
KR102118330B1 (en) * 2019-01-23 2020-06-03 삼성에스티에스(주) Reed for loom and method of manufacturing the same

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US2717007A (en) * 1952-05-27 1955-09-06 William M Battles Adjustable reed cap and shuttle guard
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US6318412B1 (en) 2001-11-20
EP1086266B1 (en) 2003-04-09
WO1999064653A1 (en) 1999-12-16
CN1117187C (en) 2003-08-06
US20020043291A1 (en) 2002-04-18
JP2002517632A (en) 2002-06-18
DE59904965D1 (en) 2003-05-15
KR20010052426A (en) 2001-06-25
BE1012033A3 (en) 2000-04-04
CN1305545A (en) 2001-07-25
JP4511727B2 (en) 2010-07-28
KR100539017B1 (en) 2005-12-26
CN1306089C (en) 2007-03-21
CN1515716A (en) 2004-07-28
US6516834B2 (en) 2003-02-11

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