EP0674031B2 - Rotary leno selvedge mechanism for looms - Google Patents
Rotary leno selvedge mechanism for looms Download PDFInfo
- Publication number
- EP0674031B2 EP0674031B2 EP95101459A EP95101459A EP0674031B2 EP 0674031 B2 EP0674031 B2 EP 0674031B2 EP 95101459 A EP95101459 A EP 95101459A EP 95101459 A EP95101459 A EP 95101459A EP 0674031 B2 EP0674031 B2 EP 0674031B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary
- drive
- rotating disc
- edge
- leno
- 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
Links
- 239000004744 fabric Substances 0.000 claims description 12
- 230000027455 binding Effects 0.000 claims description 6
- 238000009739 binding Methods 0.000 claims description 6
- 241001589086 Bellapiscis medius Species 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000009941 weaving Methods 0.000 description 28
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C7/00—Leno or similar shedding mechanisms
- D03C7/04—Mechanisms having discs oscillating about a weftwise axis and having apertures for warp threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C7/00—Leno or similar shedding mechanisms
- D03C7/08—Devices for twisting warp threads repeatedly in the same direction
Definitions
- the invention relates to a rotary edge driver for Looms, by means of which by a lathe weave the weft threads were tied at the fabric edges become.
- This arrangement consists of a rotary driven rotating disc, the geometric center axis of which is parallel to the weft direction of the weaving machine and the rotating disc is driven at the same speed as the bobbin holder carrying the rotating bobbins.
- the rotating disc has two slots for the leno threads arranged symmetrically to its central axis.
- the drive on both sides of the weaving machine next to the edge warp threads is carried out in such a way that the rotary disc forming the actual edge rotator is connected via a toothed belt to a drive wheel in a rotationally driven connection.
- the drive wheel is non-rotatably connected to and driven by a gear-driven countershaft.
- the countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.
- the countershaft is connected to a hollow shaft protruding in the direction of the weaving width adjustment, in which a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
- a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
- the rotating disc has external teeth. Furthermore, the rotating disc is rotatably mounted in a bezel-like manner. The leno threads are drawn off from a bobbin wrench, which is rotationally driven and operatively connected to the rotating disc, and fed to a guide opening located centrally in the rotating disc.
- the rotating disc also has two diametrically opposed eyelets in the rotating disc, through which the thread is guided to the weaving point of the fabric.
- the external toothing of the rotating disc is in engagement here with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc.
- EP 0 306 078 A1 is a device known for forming a selvedge of a fabric, which a rotating body carrying two coils in a carrier having. On the rotating body are needle-like Guide elements protrude, which ends are guided in a sliding guide and in substantial Distance from the rotating body loops for the leno threads exhibit. By rotating the rotating body the needle-like guide elements in of the sliding guide so that a The weft is tied.
- the rotary drive can be done by an electric motor whose The rotor of the rotating body is where the carrier forms its stator.
- the rotary drive can also be derived from the drive of the weaving machine.
- the edge turner should, in contrast to the stand technology, not for the purpose of changing articles be separated from the weaving machine and the edge turner should be easily to different web widths be customizable. This is supposed to save a lot of makeready times in the weaving mills.
- the rotary edge turner should also be a simple one have a constructive structure and direct, i.e. without the inclusion of a means of transmission between the servomotor and the rotating disc, can be driven his.
- the problem is solved by the features of claim 1.
- the electromotive actuator it is now possible for the first time to control the sequence of movements of the individual edge turning machines independently of one another and independently of the weaving machine drive. It is conceivable, for example, that the setting of the weft threads can take place depending on the type of the weft thread and that the setting of the weft thread on the side of the weft thread insertion can be before the setting of the weft thread on the weft thread arrival side.
- Rotary disc including ultimately an oscillating one Reversal of the direction of rotation can be understood on the Drive of the rotating coil holder can be dispensed with, because in every case the twists or loops the leno threads on the way between the Rotary coils and the rotating disc through a certain number of right turns Rotary disc, by the same number of left turns the same rotating disc, picked up again become.
- This edge turner can be positioned as close as possible to the weaving point of the fabric and between the shaft frame and the healds of the first heald frames. This means that the number of usable heald frames in the warp beam direction, ie opposite to the weaving direction, is not limited.
- edge turner Due to the compact design of the edge turner is in the event of an article change or a weave width adjustment a quick positioning of the edge turner to the changed conditions of the weaving machine possible.
- the one seen in the weaving direction in front of the heald frames is arranged with the arrangement of the invention
- Rotary edger within the Heald frames arranged closest to the reed are clear that the stroke of the leno threads when used of a rotary edge turner only about 80 mm is during the leno threads with a satellite lathe have to perform a stroke of approximately 180 mm, in order to achieve a sufficient compartment opening.
- Another advantage of the invention is that additional ones which drive the rotating disc Agents such as a drive gear connected to the servomotor and the motor rotary drive on the Toothed belt transmitting toothed pulley, between the servomotor and the rotating disc are eliminated.
- the rotary edge rotator 1 consists of a disc-like, electrically controllable servomotor 2 with a stator 3 and a rotor, which forms the rotating disc 4 with two passages 4a and 4b arranged symmetrically about the central axis 5 of the rotating disc 4.
- the passages are preferably designed in the form of a circular arc.
- a leno thread 6, 7 supplied by rotator bobbins, not shown, is passed through each passage 4a, 4b. Both leno threads 6, 7 form a front leno thread pocket 8 which is adequate for the shed (front pocket) by turning the rotating disc 4.
- the leno threads 6, 7 are brought together in the binding point 9 of the fabric 10. In the binding point 9, the ends of the respective weft thread 11 are tied by at least half a turn of the rotating disc 4 in the direction of arrow 12 or in the direction of arrow 13 to form a fixed fabric edge.
- stator 3 forms together in its interior with an annular support part 14 a circumferential U-shaped groove in which the rotating disc 4 is rotated.
- the servomotor 2 is a motor known operating principle, the stator 3 the windings carries and the rotor or the rotating disc 4 magnets 15 distributed around the outer circumference receives.
- the rotating disc 4 is preferably mass-saving here namely as a ring.
- the ring-shaped carrier part 14 forms a holder 16 which is connected to a hub 18 with connecting elements 17.
- the hub 18 can also be connected in a rotationally fixed manner to a component 20 via a connecting element 19.
- the component 20 is firmly connected to a component 21 that can be adjusted to the weaving width of the weaving machine.
- the edge-turning device shown here is an edge-turning device arranged on the left-hand side of the weaving machine, another edge-turning device is arranged on the right-hand weaving machine side. Both rotary edge turners are arranged in the area of the free space between the heald frames, not shown here, and strands of the first heald frames, which are behind the reed not shown and are not shown.
- an electrically controllable Actuator 2 as a direct drive for the rotary disc 4 of the rotary edge rotator 1 allows the weaving machine manufacturer on a separate rotary drive for the leno bobbins because e.g. by Programming a number of rotations of the servomotor 2 and thus by a fixed number of Revolutions of the rotating disc 4 in one direction and by the same number of turns in the opposite Towards a looping of the Leno threads 6,7 in the area of the back compartment no longer occurs.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
Die Erfindung betrifft einen Rotations-Kantendreherfür Webmaschinen, mittels welchem durch eine Dreherbindung die Schußfäden an den Gewebekanten abgebunden werden.The invention relates to a rotary edge driver for Looms, by means of which by a lathe weave the weft threads were tied at the fabric edges become.
Bekannt ist aus der DE-OS 24 23 454 eine Anordnung
zum Verfestigen einer Gewebekante durch eine
Dreherbindung. Diese Anordnung gemäß dem Oberbegriff
des Anspruchs 1 besteht aus einer drehangetriebenen
Dreherscheibe, deren geometrische Mittenachse
parallel zur Schußrichtung der Webmaschine liegt und
wobei die Dreherscheibe mit gleicher Drehzahl wie der
die Dreherspulen tragende Spulenhalter angetrieben
ist.
Die Dreherscheibe weist zwei zu ihrer Mittenachse symmetrisch
angeordnete Schlitze für die Dreherfäden auf.From DE-OS 24 23 454 an arrangement for solidifying a fabric edge by a leno weave is known. This arrangement according to the preamble of
The rotating disc has two slots for the leno threads arranged symmetrically to its central axis.
Der Antrieb des an beiden Seiten der Webmaschine
neben den Randkettfäden angeordneten Kantendrehers
erfolgt derart, daß die den eigentlichen Kantendreher
bildende Dreherscheibe über einen Zahnriemen mit
einem Antriebsrad in drehangetriebener Verbindung
steht.
Das Antriebsrad ist mit einer zahnradgetriebenen Vorgelegewelle
drehfest verbunden und von dieser angetrieben.
Die Vorgelegewelle wiederum ist durch einen
Zahnriemen mit dem Hauptantrieb der Webmaschine
drehangetrieben verbunden.The drive on both sides of the weaving machine next to the edge warp threads is carried out in such a way that the rotary disc forming the actual edge rotator is connected via a toothed belt to a drive wheel in a rotationally driven connection.
The drive wheel is non-rotatably connected to and driven by a gear-driven countershaft. The countershaft is in turn connected to the main drive of the weaving machine by a toothed belt.
Zur Anpassung der bekannten Anordnung an unterschiedliche
Webbreiten ist die Vorgelegewelle mit einer
in Richtung Webbreitenverstellung ragenden Hohlwelle
verbunden, in welcher ein den Antrieb der zweiten
Dreherscheibe und den Antrieb des zweiten Dreherspulenhalters
bewerkstelligendes Wellenteil verschiebbar
ist.
Ein derartiger Antrieb ist kostenaufwendig, nicht raumsparend,
nicht unabhängig vom Hauptantrieb der Webmaschine
und nicht individuell ansteuerbar.To adapt the known arrangement to different weaving widths, the countershaft is connected to a hollow shaft protruding in the direction of the weaving width adjustment, in which a shaft part which drives the second rotator disk and the drive of the second rotator bobbin holder can be displaced.
Such a drive is expensive, not space-saving, not independent of the main drive of the weaving machine and cannot be controlled individually.
Ferner ist aus der DE-OS 28 32131 eine sogenannte
Satellitendrehereinrichtung zur Bildung von Gewebekanten
auf schützenlosen Webmaschinen bekannt. Die
Dreherscheibe besitzt eine Außenverzahnung. Des
weiteren ist die Dreherscheibe lünettartig drehend gelagert.
Von einem Spulendreher, der drehangetrieben mit der
Dreherscheibe in Wirkverbindung steht, werden die
Dreherfäden abgezogen und einer zentrisch in der Dreherscheibe
gelegenen Führungsöffnung zugeführt.
Die Dreherscheibe besitzt ferner zwei einander diametral
gegenüberliegend in der Dreherscheibe angeordnete
Osen, durch welche der Faden hindurch zum Bindepunkt
des Gewebes geführt ist.
Die Außenverzahnung der Dreherscheibe steht hier mit
den Zähnen eines Antriebszahnrades in Eingriff, das
den Dreherspulenhalter synchron mit der Dreherscheibe
antreibt. Über die Art der Antriebsquelle der Drehereinrichtung
ist aus dieser vorbekannten Schrift kein Hinweis
zu entnehmen. Es kann aber davon ausgegangen
werden, daß der Antrieb, wie allgemein bekannt, vom
Hauptantrieb der Webmaschine abgeleitet ist.
Damit ist auch diese Antriebslösung kostenaufwendig,
weil diese nicht ohne weiteres an unterschiedliche Webbreiten
der Maschine anpaßbar ist.
Eine derartige Drehereinrichtung ist auch mit erheblichen
Nachteilen für den Hersteller und den Betreiber
der Webmaschine verbunden.
So ist ein relativ großer Platzbedarf rechts und links der
Webkette zur Einordnung der Vorrichtung in die Webmaschine
erforderlich.
Eine derartige Drehervorrichtung ist in der Regel im Bereich
des Hinterfaches angeordnet. Dies aber bedeutet,
daß damit die Anzahl der einsetzbaren Webschäfte eingeschränkt
ist und die Länge der Dreherfäden, gemessen
von der Drehervorrichtung bis zum Punkt der Abbindung
des Schußfadens, relativ groß ist. Diese Länge
verursacht ein sehr flach ausgebildetes Dreherfaden-Fach.
Eine derart flache Fachausbildung gewährleistet
aber nicht immer, daß jeder Schußfaden ordnungsgemäß
in das Dreherfaden-Fach gelangt.Also known from DE-OS 28 32131 is a so-called satellite turning device for forming fabric edges on defenseless weaving machines. The rotating disc has external teeth. Furthermore, the rotating disc is rotatably mounted in a bezel-like manner.
The leno threads are drawn off from a bobbin wrench, which is rotationally driven and operatively connected to the rotating disc, and fed to a guide opening located centrally in the rotating disc.
The rotating disc also has two diametrically opposed eyelets in the rotating disc, through which the thread is guided to the weaving point of the fabric.
The external toothing of the rotating disc is in engagement here with the teeth of a drive gear which drives the rotating coil holder in synchronism with the rotating disc. No information can be found in this previously known document about the type of drive source of the lathe device. However, it can be assumed that the drive, as is generally known, is derived from the main drive of the weaving machine.
This drive solution is therefore also expensive because it cannot be easily adapted to different weaving widths of the machine.
Such a lathe device is also associated with considerable disadvantages for the manufacturer and the operator of the weaving machine.
A relatively large amount of space is required on the right and left of the weaving chain to classify the device in the weaving machine.
Such a lathe device is usually arranged in the area of the rear compartment. However, this means that the number of usable heald frames is limited and the length of the leno threads, measured from the leno device to the point at which the weft thread is tied, is relatively large. This length creates a very flat leno thread compartment. Such a flat shed training does not always ensure that every weft thread arrives properly in the leno shed compartment.
Des weiteren ist aus EP 0 306 078 A1 eine Vorrichtung
zum Bilden einer Webkante eines Gewebes bekannt, welche
einen zwei Spulen tragenden Rotationskörper in einem Träger
aufweist. An dem Rotationskörper sind nadelartige
Führungselemente abragend angebracht, welche endseitig
in einer Gleitführung geführt sind und in erheblicher
Entfernung vom Rotationskörper Ösen für die Dreherfäden
aufweisen. Durch Drehantrieb des Rotationskörpers
werden die nadelartigen Führungselemente in
der Gleitführung so umlaufend geführt, dass eine
Abbindung des Schussfadens erfolgt. Der Drehantrieb
kann durch einen elektrischen Motor erfolgen, dessen
Rotor des Rotationskörper ist wobei der Träger dessen Stator bildet.
Der Drehantrieb kann auch von Antrieb der Webmaschine abgeleitet sein.Furthermore,
Vor diesem Hintergrund ist es daher Aufgabe der Erfindung, einen, unter Vermeidung der Nachteile des Standes der Technik, individuell ansteuerbaren und damit unabhängig vom Webmaschinenantrieb antreibbaren Rotations-Kantendreher zu schaffen, mit welchem zu beiden Seiten des Gewebes die einzelnen Schußfäden fest abgebunden werden können und eine qualitätsgerechte und dauerhafte Gewebekante herstellbar ist.Against this background, it is therefore the task of Invention, one, while avoiding the disadvantages of State of the art, individually controllable and therefore can be driven independently of the weaving machine drive To create rotary edge-turning with which the individual weft threads on both sides of the fabric can be firmly tied and a quality and permanent fabric edge can be produced is.
Der Kantendreher soll, im Gegensatz zum Stand der Technik, zum Zwecke des Artikelswechsels nicht von der Webmaschine getrennt werden und der Kantendreher soll ohne weiteres an unterschiedliche Webbreiten anpaßbar sein. Damit soll eine erhebliche Einsparung an Rüstzeit in den Webereien erreicht werden.The edge turner should, in contrast to the stand technology, not for the purpose of changing articles be separated from the weaving machine and the edge turner should be easily to different web widths be customizable. This is supposed to save a lot of makeready times in the weaving mills.
Der Rotations-Kantendreher soll ferner einen einfachen konstruktiven Aufbau besitzen und direkt, d.h. ohne der Einbeziehung eines Übertragungsmittels zwischen dem Stellmotor und der Dreherscheibe, antreibbar sein.The rotary edge turner should also be a simple one have a constructive structure and direct, i.e. without the inclusion of a means of transmission between the servomotor and the rotating disc, can be driven his.
Erfindungsgemäß wird die Aufgabe du rch die Merkmale
des Anspruchs 1 gelöst.
Mit dem elektromotorischen Stellantrieb wird es nun
erstmals möglich, den Bewegungsablauf der einzelnen
Kantendreher unabhängig voneinander und unabhängig
von den Webmaschinenantrieb zu steuern.
So ist es zum Beispiel denkbar, daß die Abbindung der
Schußfäden in Abhängigkeit vom Typ des Schußfadens
erfolgen kann und daß die Abbindung des Schußfadens
auf der Seite des Schußfadeneintrags zeitlich vor der
Abbindung des Schußfadens auf der Schußfadenankunftseite
liegen kann.According to the invention the problem is solved by the features of
With the electromotive actuator, it is now possible for the first time to control the sequence of movements of the individual edge turning machines independently of one another and independently of the weaving machine drive.
It is conceivable, for example, that the setting of the weft threads can take place depending on the type of the weft thread and that the setting of the weft thread on the side of the weft thread insertion can be before the setting of the weft thread on the weft thread arrival side.
Durch die individuelle Ansteuerung sind z. B. Bordüren
und Schußverdichtungen mit unterschiedlichen
Bindungen ohne zusätzlichen Vorrichtungsaufwand
herstellbar.
So sind Einfachbindungen und Bindungsaussetzer allein
durch entsprechende Ansteuerung des Stellantriebes
des jeweiligen Rotations-Kantendrehers erreichbar.Due to the individual control z. B. Borders and weft compression with different bindings can be produced without additional equipment.
So single bonds and misfires can be reached only by appropriate control of the actuator of the respective rotary edge turner.
Durch eine gesteuerte Drehrichtungsumkehr der Dreherscheibe, worunter letztlich auch eine oszillierende Drehrichtungsumkehr zu verstehen ist, kann auf den Antrieb des Dreherspulenhalters verzichtet werden, weil in jedem Falle die Verdrehungen oder Umschlingungen der Dreherfäden auf dem Wege zwischen den Dreherspulen und der Dreherscheibe, hervorgerufen durch eine bestimmte Anzahl von Rechtsdrehungen der Dreherscheibe, durch die gleiche Anzahl von Linksdrehungen der selben Dreherscheibe, wieder aufgehoben werden.Through a controlled reversal of the direction of rotation Rotary disc, including ultimately an oscillating one Reversal of the direction of rotation can be understood on the Drive of the rotating coil holder can be dispensed with, because in every case the twists or loops the leno threads on the way between the Rotary coils and the rotating disc through a certain number of right turns Rotary disc, by the same number of left turns the same rotating disc, picked up again become.
Mit dem stellmotorgetriebenen Rotations-Kantendreher ist es ferner ohne weiteres möglich, innerhalb der Webmaschinensteuerung einen Drehzahlabgleich zwischen der Fachbildeeinrichtung und der Drehzahl der Dreherscheibe des Rotations-Kantendrehers derart herbei zu führen, daß der Bewegungsablauf der Fachbildeorgane zur Ausbildung der Webfachgeometrie nahezu kongruent ist mit dem Bewegungsablauf des Rotations-Kantendrehers zur Ausbildung der Geometrie des Dreherfachs.With the servomotor driven rotary edge driver it is also easily possible within the Weaving machine control a speed comparison between the shedding device and the speed of the Rotary edge rotator disc of this type bring about that the movement of the specialist organs almost to the formation of the shed geometry is congruent with the sequence of movements of the rotary edge rotator for the formation of the geometry of the lathe compartment.
Damit ist sichergestellt, daß die Schußfäden auch ordnungsgemäß das Dreherfach links- und rechtsseitig der Kettfäden passieren bzw. in dieses eingetragen werden.This ensures that the wefts too the lathe compartment on the left and right of the warp threads pass or are entered in this.
Dieser Kantendreher kann in einen
möglichst geringen Abstand zum Bindepunkt des
Gewebes und zwischen den Schaftrahmen und den
Weblitzen der ersten Webschäfte positioniert sein.
Damit ist die Anzahl einsetzbarer Webschäfte in Richtung
Kettbaum, d.h. der Webrichtung entgegengesetzt,
nicht begrenzt.This edge turner can be positioned as close as possible to the weaving point of the fabric and between the shaft frame and the healds of the first heald frames.
This means that the number of usable heald frames in the warp beam direction, ie opposite to the weaving direction, is not limited.
Durch die kompakte Ausführung des Kantendrehers ist im Falle eines Artikelwechsels oder einer Webbreitenverstellung ein schnelles Postionieren des Kantendrehers an die geänderten Bedingungen der Webmaschine möglich.Due to the compact design of the edge turner is in the event of an article change or a weave width adjustment a quick positioning of the edge turner to the changed conditions of the weaving machine possible.
Im Vergleich mit einem herkömmlichen Satellitendreher, der in Webrichtung gesehen vor den Webschäften angeordnet ist, wird mit der Anordnung des erfindungsgemäßen Rotations-Kantendrehers innerhalb der Webschäfte, die dem Webblatt am nächsten angeordnet sind, deutlich, daß der Hub der Dreherfäden bei Anwendung eines Rotations-Kantendrehers nur etwa 80 mm beträgt während die Dreherfäden bei einem Satellitendreher einen Hubvon etwa 180 mm ausführen müssen, um eine ausreichende Fachöffnung zu erzielen.Compared to a conventional satellite driver, the one seen in the weaving direction in front of the heald frames is arranged with the arrangement of the invention Rotary edger within the Heald frames arranged closest to the reed are clear that the stroke of the leno threads when used of a rotary edge turner only about 80 mm is during the leno threads with a satellite lathe have to perform a stroke of approximately 180 mm, in order to achieve a sufficient compartment opening.
Ein weiterer Vorteil der Erfindung besteht darin, daß zusätzliche, den Antrieb der Dreherscheibe bewirkende Mittel, wie z.B. ein mit dem Stellmotor verbundenes Antriebszahnrad und ein den Motordrehantrieb auf die Dreherscheibe übertragenden Zahnriemen, zwischen dem Stellmotor und der Dreherscheibe entfallen.Another advantage of the invention is that additional ones which drive the rotating disc Agents such as a drive gear connected to the servomotor and the motor rotary drive on the Toothed belt transmitting toothed pulley, between the servomotor and the rotating disc are eliminated.
Das Wesen der Erfindung ist nachstehend anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels näher erläutert.The essence of the invention is shown below an embodiment shown schematically in the drawing explained in more detail.
In der Zeichnung zeigen:
- Fig. 1
- den Rotations-Kantendreher in perspektivischer Darstellung,
- Fig. 2
- einen Längsschnitt durch den Drehantrieb
des Kantendrehers nach Linie A-A gemäß
Figur 1.
- Fig. 1
- the rotary edge turner in perspective,
- Fig. 2
- 2 shows a longitudinal section through the rotary drive of the edge rotator along line AA according to FIG. 1.
Der Rotations-Kantendreher 1 besteht aus einem
scheibenartig ausgebildeten elektrisch ansteuerbaren
Stellmotor 2 mit einem Stator 3 und einem Rotor, der
die Dreherscheibe 4 mit zwei symmetrisch um die Mittenachse
5 der Dreherscheibe 4 angeordneten Durchgängen
4a und 4b ausbildet. Die Durchgänge sind vorzugsweise
kreisbogenförmig ausgebildet.
Durch jeden Durchgang 4a,4b ist ein von nicht dargestellten
Dreherspulen gelieferter Dreherfaden 6,7 hindurchgeführt.
Beide Dreherfäden 6,7 bilden durch Drehen
der Dreherscheibe 4 ein dem Webfach (Vorderfach)
adäquates vorderes Dreherfaden-Fach 8 aus.
Die Dreherfäden 6,7 sind in dem Bindepunkt 9 des Gewebes
10 zusammengeführt.
In dem Bindepunkt 9 werden die Enden des jeweiligen
Schußfadens 11 durch wenigstens eine halbe Drehung
der Dreherscheibe 4 in Richtung des Pfeiles 12 bzw. in
Richtung des Pfeiles 13 zu einer festen Gewebekante
abgebunden.The
A
The
In the
In Figur 2 bildet der Stator 3 in seinem Inneren zusammen
mit einem ringförmigen Trägerteil 14 eine umlaufende
U-förmige Nut aus, in welcher die Dreherscheibe
4 drehend aufgenommen ist.In Figure 2, the
Bei dem Stellmotor 2 handelt es sich um einen Motor
bekannten Wirkprinzips, wobei der Stator 3 die Wicklungen
trägt und der Rotor bzw. die Dreherscheibe 4 auf
dem Außenumfang verteilt angeordnete Magnete 15
aufnimmt.
Die Dreherscheibe 4 ist hier vorzugsweise massesparend
und zwar als Ring ausgebildet.The
Das ringförmige Trägerteil 14 bildet einen Halter 16
aus, der mit Verbindungselementen 17 mit einer Nabe
18 verbunden ist. Die Nabe 18 ist ebenfalls über ein Verbindungselement
19 mit einem Bauteil 20 drehfest verbindbar.
Das Bauteil 20 ist mit einem auf die Webbreite der Webmaschine
einstellbaren Bauteil 21 fest verbunden.
Während es sich bei dem hier dargestellten Kantendreher
um einen linksseitig an der Webmaschine angeordneten
Kantendreher handelt, ist ein weiterer Kantendreher
an der rechten Webmaschinenseite angeordnet.
Beide Rotations-Kantendrehersind im Bereich des Freiraumes
zwischen den hier nicht dargestellten Schaftrahmen
und Litzen der ersten, hinter dem nicht dargestellten
Webblatt liegenden und nicht gezeigten
Webschäften eingeordnet.The ring-shaped
The
While the edge-turning device shown here is an edge-turning device arranged on the left-hand side of the weaving machine, another edge-turning device is arranged on the right-hand weaving machine side. Both rotary edge turners are arranged in the area of the free space between the heald frames, not shown here, and strands of the first heald frames, which are behind the reed not shown and are not shown.
Die Verwendung eines elektrisch ansteuerbaren
Stellmotors 2 als Direktantrieb für die Dreherscheibe 4
des Rotations-Kantendrehers 1 gestattet dem Webmaschinenhersteller
auf einen gesonderten Drehantrieb
für die Dreherfadenspulen zu verzichten, weil z.B. durch
Programmieren einer Anzahl von Drehungen des Stellmotors
2 und damit durch eine festgelegte Anzahl von
Umdrehungen der Dreherscheibe 4 in die eine Richtung
und durch die gleiche Anzahl Umdrehungen in die entgegengesetzte
Richtung ein Umschlingen der von den
Dreherspulen zugeführten Dreherfäden 6,7 im Bereich
des Hinterfaches nicht mehr auftritt.The use of an electrically
Die Verwendung eines derartigen Stellmotors 2 als
Antrieb für die Dreherscheibe 4 gestattet ferner, die
Drehrichtung der Dreherscheibe 4 Schußfaden 11 für
Schußfaden 11 oszillierend umkehrbar anzutreiben.
Auch in diesem Falle ist ein separater Antrieb für die
Dreherspulen nicht erforderlich.The use of such a
Bei der Herstellung von Bordüren oder bei sogenannten
Schußverdichtungen ist durch ein programmiertes
Ansteuern des Stellmotors 2 möglich, Einfachbindungen
und Bindungsaussetzer zu realisieren. Dies
bedeutet, daß das Ende jedes Schußfadens 11 durch
die Dreherfäden 6,7 abgebunden wird oder es erfolgen
Bindungsaussetzer, d.h. eine Dreherbindung wird erst
nach zwei oder drei Schußfadeneinträgen herbeigeführt.In the production of borders or in so-called
Shot densification is programmed by a
Control of the
- 11
- Rotations-KantendreherLeno
- 22
- Stellmotorservomotor
- 33
- Statorstator
- 44
- Dreherscheibeleno disc
- 4a4a
- Durchgangpassage
- 4b4b
- Durchgangpassage
- 55
- Mittenachsemid-axis
- 66
- Dreherfadenleno thread
- 77
- Dreherfadenleno thread
- 88th
- Dreherfaden-FachLeno thread Specialists
- 99
- Bindepunktbinding point
- 1010
- Gewebetissue
- 1111
- Schußfadenweft
- 1212
- Pfeilarrow
- 1313
- Pfeilarrow
- 1414
- Trägerteilsupport part
- 1515
- Magnetmagnet
- 1616
- Halterholder
- 1717
- Verbindungselementconnecting element
- 1818
- Nabehub
- 1919
- Verbindungselementconnecting element
- 2020
- Bauteilcomponent
- 2121
- Bauteilcomponent
Claims (2)
- Rotary selvedge twister for looms, comprising a twisting disc (4) which has two openings (4a, 4b) arranged symmetrically about the centre line (5) and in which a crossing thread (6, 7) supplied from a first and a second crossing thread bobbin is arranged to be led through a respective opening, and further comprising a carrier part (14), which receives the twisting disc so that the latter is rotatable and which carrier part forms a holder (16) for connection of the rotary selvedge twister (1) with a component (20) of the loom, wherein the rotary selvedge twister can be positioned as close as possible to the binding point (9) of the cloth (10) and between the metal heald frames and healds of the first heald frames, characterised in that the twisting disc (4) forms the rotor of an electrically activatable positioning motor (2), the direction of rotation of which is controllably reversible, and the stator (3) of the positioning motor is connected to the carrier part (14).
- Loom having a rotary selvedge twister according to claim 1, characterised in that the holder (16) is connected to a component adjustable to the cloth width of the loom.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29521436U DE29521436U1 (en) | 1994-02-23 | 1995-02-03 | Rotary edge turner for weaving machines |
| EP97101629A EP0777004A2 (en) | 1994-02-23 | 1995-02-03 | Rotary leno selvedge mechanism for looms |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4405776 | 1994-02-23 | ||
| DE4405776A DE4405776C1 (en) | 1994-02-23 | 1994-02-23 | Rotary edger of a weaving machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97101629A Division EP0777004A2 (en) | 1994-02-23 | 1995-02-03 | Rotary leno selvedge mechanism for looms |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0674031A1 EP0674031A1 (en) | 1995-09-27 |
| EP0674031B1 EP0674031B1 (en) | 1998-04-08 |
| EP0674031B2 true EP0674031B2 (en) | 2004-04-21 |
Family
ID=6510967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95101459A Expired - Lifetime EP0674031B2 (en) | 1994-02-23 | 1995-02-03 | Rotary leno selvedge mechanism for looms |
| EP97101629A Withdrawn EP0777004A2 (en) | 1994-02-23 | 1995-02-03 | Rotary leno selvedge mechanism for looms |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97101629A Withdrawn EP0777004A2 (en) | 1994-02-23 | 1995-02-03 | Rotary leno selvedge mechanism for looms |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5518039A (en) |
| EP (2) | EP0674031B2 (en) |
| JP (1) | JP2620534B2 (en) |
| DE (2) | DE4405776C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005022955A1 (en) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gmbh | Method and device for holding a recorded after a starting operation of a loom, in particular air jet loom weft thread |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19548955C1 (en) * | 1995-12-28 | 1996-09-12 | Kloecker Entwicklungs Gmbh | Appts. to form a leno selvedge at shuttleless loom |
| US6227253B1 (en) * | 1996-09-30 | 2001-05-08 | Picanol N.V. | Method and device for twisting at least two running for a loom selvage forming device |
| DE19646136C2 (en) * | 1996-11-08 | 1999-05-06 | Dornier Gmbh Lindauer | Eyelet, in particular a rotating disc of a rotary edge rotator |
| DE19647495C1 (en) * | 1996-11-16 | 1998-01-02 | Kloecker Entwicklungs Gmbh | Apparatus to form a leno selvedge |
| DE19651610B4 (en) * | 1996-12-12 | 2005-03-10 | Dornier Gmbh Lindauer | Apparatus for forming a leno selvedge for weaving machines |
| DE19654962A1 (en) * | 1996-12-12 | 1998-06-18 | Dornier Gmbh Lindauer | Holding and positioning device for a leno selvedge device in weaving machines |
| DE19720634C1 (en) * | 1997-05-16 | 1998-10-01 | Dornier Gmbh Lindauer | Method for forming a fabric and catch strip in the manufacture of a fabric on weaving machines and device for carrying out the method |
| DE19733262A1 (en) * | 1997-08-01 | 1999-02-04 | Dornier Gmbh Lindauer | Rotary edge turner with direct electromagnetic drive for weaving machines |
| DE19733261C2 (en) * | 1997-08-01 | 2001-07-19 | Dornier Gmbh Lindauer | Rotary edge turner with direct electromagnetic drive for weaving machines |
| US6039086A (en) * | 1997-10-02 | 2000-03-21 | Lindauer Dornier Gesellschaft Mbh | Separating weft thread waste of a single uncontaminated material from untwisted leno binding threads in trimmed catch selvages |
| DE19743872C1 (en) * | 1997-10-04 | 1998-12-17 | Kloecker Entwicklungs Gmbh | Leno selvedge electromotor control |
| DE19813082C1 (en) | 1998-03-25 | 1999-06-17 | Kloecker Entwicklungs Gmbh | Rotary edge formation device with electric motor comprising rotor and stator |
| DE10021520A1 (en) * | 2000-05-03 | 2001-11-15 | Dornier Gmbh Lindauer | Rotary drive for the reed support of a weaving machine |
| DE10133800C1 (en) * | 2001-06-09 | 2003-02-06 | Kloecker Entwicklungs Gmbh Geb | Device for determining thread breaks in leno threads in weaving machines or looms, in particular with heald frames, and a device for determining thread breaks |
| DE10154941C2 (en) * | 2001-11-08 | 2003-11-20 | Dornier Gmbh Lindauer | Drive arrangement for the reed of a weaving machine |
| DE10313188A1 (en) * | 2003-03-25 | 2004-10-07 | Lindauer Dornier Gmbh | Rotary edge turning device of a weaving machine |
| DE10336006B4 (en) * | 2003-08-01 | 2007-07-12 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Device on a weaving machine for forming leno edges |
| DE202011103312U1 (en) * | 2011-06-30 | 2011-11-08 | Gebrüder Klöcker GmbH | Device for forming a leno selvedge |
| DE202013010963U1 (en) | 2013-12-05 | 2014-01-22 | Gebrüder Klöcker GmbH | Device for monitoring the breakage of leno threads of a textile machine, in particular a weaving machine |
| EP3162934B1 (en) | 2015-10-28 | 2018-03-28 | Gebrüder Klöcker GmbH | Device for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device |
| EP3197029B1 (en) | 2016-01-19 | 2019-05-29 | Gebrüder Klöcker GmbH | Device using an electric motor for forming a leno selvedge, in particular for a loom, and projectile weaving loom equipped with said device |
| CN109402829A (en) * | 2018-11-12 | 2019-03-01 | 山东日发纺织机械有限公司 | Electric twisted edge mechanism |
| DE102020100857A1 (en) | 2020-01-15 | 2021-07-15 | Gebrüder Klöcker GmbH | Textile fabric with warp and weft threads |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB686052A (en) † | 1949-11-09 | 1953-01-14 | Sulzer Ag | Improvements relating to driving mechanisms for rotary thread guides in weaving looms |
| EP0306078A1 (en) † | 1987-09-02 | 1989-03-08 | Picanol N.V. | Device for forming a selvedge on a fabric during its manufacture on a loom |
| JPH0369627A (en) † | 1989-08-04 | 1991-03-26 | Toyota Autom Loom Works Ltd | Twist selvadge forming device in weaving machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2676618A (en) * | 1950-08-05 | 1954-04-27 | Pfarrwaller Erwin | Mechanism for actuating thread twisting means in looms |
| CS160168B1 (en) * | 1973-05-14 | 1975-03-28 | ||
| CS167129B1 (en) * | 1974-04-11 | 1976-04-29 | ||
| US3945406A (en) * | 1974-08-26 | 1976-03-23 | Crompton & Knowles Corporation | Leno selvedge device and method of forming a leno selvedge |
| DE2832131A1 (en) * | 1978-07-21 | 1980-01-31 | Nissan Motor | Shuttleless loom selvedge formation - by securing each pick between the turns of two intertwined binding threads |
| CS242860B2 (en) * | 1978-12-11 | 1986-05-15 | Toyoda Automatic Loom Works | Weaving machine |
| IN168007B (en) * | 1986-09-01 | 1991-01-19 | Chemiefaser Lenzing Ag |
-
1994
- 1994-02-23 DE DE4405776A patent/DE4405776C1/en not_active Expired - Fee Related
-
1995
- 1995-02-03 EP EP95101459A patent/EP0674031B2/en not_active Expired - Lifetime
- 1995-02-03 DE DE59501809T patent/DE59501809D1/en not_active Expired - Lifetime
- 1995-02-03 EP EP97101629A patent/EP0777004A2/en not_active Withdrawn
- 1995-02-21 JP JP7032606A patent/JP2620534B2/en not_active Expired - Lifetime
- 1995-02-21 US US08/391,970 patent/US5518039A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB686052A (en) † | 1949-11-09 | 1953-01-14 | Sulzer Ag | Improvements relating to driving mechanisms for rotary thread guides in weaving looms |
| EP0306078A1 (en) † | 1987-09-02 | 1989-03-08 | Picanol N.V. | Device for forming a selvedge on a fabric during its manufacture on a loom |
| JPH0369627A (en) † | 1989-08-04 | 1991-03-26 | Toyota Autom Loom Works Ltd | Twist selvadge forming device in weaving machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005022955A1 (en) * | 2005-05-19 | 2006-11-23 | Lindauer Dornier Gmbh | Method and device for holding a recorded after a starting operation of a loom, in particular air jet loom weft thread |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0674031B1 (en) | 1998-04-08 |
| DE59501809D1 (en) | 1998-05-14 |
| JPH07252750A (en) | 1995-10-03 |
| EP0777004A3 (en) | 1997-06-25 |
| US5518039A (en) | 1996-05-21 |
| EP0674031A1 (en) | 1995-09-27 |
| DE4405776C1 (en) | 1995-08-17 |
| EP0777004A2 (en) | 1997-06-04 |
| JP2620534B2 (en) | 1997-06-18 |
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