EP0828878B1 - Monolithic shed-holding component for the weaving rotor of a shed course loom - Google Patents
Monolithic shed-holding component for the weaving rotor of a shed course loom Download PDFInfo
- Publication number
- EP0828878B1 EP0828878B1 EP96908997A EP96908997A EP0828878B1 EP 0828878 B1 EP0828878 B1 EP 0828878B1 EP 96908997 A EP96908997 A EP 96908997A EP 96908997 A EP96908997 A EP 96908997A EP 0828878 B1 EP0828878 B1 EP 0828878B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shed
- bore
- accordance
- holder element
- shed holder
- 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
- 238000009941 weaving Methods 0.000 title claims description 21
- 238000007664 blowing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 241000446313 Lamella Species 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3006—Construction of the nozzles
- D03D47/302—Auxiliary nozzles
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
- D03D41/005—Linear-shed multiphase looms
Definitions
- the invention relates to a monolithic Compartment holding element to the weaving rotor one Row shed weaving machine according to the preamble of claim 1 as well as a weaving rotor and a weaving machine Shelf holding elements according to the invention.
- Row shed weaving machines are multi-phase weaving machines (see e.g. EP 0 013 321), in which several against each other gradually shifted weft threads in wandering Weaving subjects are entered, with a weaving rotor a plurality of subjects are formed, each one extend across the entire width of the weave.
- the roller-shaped Webrotor has axially aligned lamella combs Stop or guide slats on. Between Guide lamellae are alternately specialist holding units arranged, which is the high or low position of the Set warp threads.
- each a warp thread guide section have a passage between two There is protrusion, the bottom of the passage being the Forms a high shelf for warp threads.
- the Projections have the function of those mentioned above Guide slats.
- the weft insertion takes place by means of a Air jet.
- For each compartment holding element is a shape is provided such that for an auxiliary blowing nozzle Space is kept free.
- the auxiliary nozzle, an air duct and a suitable one Has nozzle opening can not or only with large Effort can be made from ceramic material. Unlike the shelf holding elements, however, there is Inexpensive way, the auxiliary nozzles made of plastic to manufacture. Because of rapid wear from the Warp threads are not plastic for the compartment holding elements usable.
- the invention is based on the task of holding elements to create that are cheaper to manufacture. This The object is solved by the features of claim 1. Because the auxiliary nozzle in the compartment holding element is integrated and not as a separate element must be produced, there is a Cost reduction. A corresponding execution of the Compartment holding element made of ceramic material would be very expensive because the bore required for the nozzle is only under high Costs would be generated.
- Another advantage of the integrated nozzle is that between the nozzle and the weft thread channel of the compartment holding element there is no problematic transition point.
- a weft thread leads over the entry entire cross section of the weft thread channel back and forth oscillating swinging motion. So that the thread with the No contact with the shelf holding elements if possible The contour of the channel suffers damage be thread-friendly. In a crack on the Transition point between the nozzle and the weft channel Fibers of the weft thread get caught. Such problematic area would therefore not be thread-friendly. As a further object of the invention, therefore Elimination of such a transition point viewed become.
- the compartment holding element 1 which in Figures 1a and 1b is shown, has the following parts: auxiliary blowing nozzle 2 with a first bore 21 and a second bore 22, whose diameter is smaller than the diameter of the is first bore and which is the outlet opening 23 of the Forms nozzle 2; High compartment contact surface 11 for warp threads, which is arranged between two projections 12 and 13; Weft channel 14; two parts 15 and 16, the Fastening the compartment holding element 1 in a weaving rotor 5 (see Fig. 6) are provided.
- the fastening part 15 the first bore 21 of the integrated nozzle 2 is arranged. This bore 21 does not connect to one shown compressed air duct in the weaving rotor 5 ago.
- the blowing nozzle 2 consists of a Bore 21, the only outlet opening 23 opposite a surface 25 is arranged for a deflection of the air jet 29 is provided in the weft channel 14 is.
- Fig. 4 is in the Bore 21 arranged an insert 3, the one Closing element 30 of the bore 21 forms and in which the nozzle opening 23 is located. At the entrance to hole 21 is an extension 31 for anchoring the Insert 3 provided.
- FIGS. 5a and 5b there are two integrated blow nozzles 2a and 2b, which are arranged in mirror image to each other. Assign the two nozzles 2a and 2b have the same blowing power, so the two flowing out of the nozzles unite Air jets 29a and 29b into a common air jet, which moves in the direction of the weft channel 14.
- Fig.6 are compartment holding elements 1 with integrated Auxiliary blowing nozzles 2 shown. But it is enough if only some of the compartment holding elements 1 have nozzles 2.
- 7 shows such a compartment holding element 1 '.
- Fig. 8 is a comb 10 with compartment holding elements 1 (according to FIG. 1), 1 '(according to FIG. 7) and 1 ", the Compartment holding elements 1 "have no nozzles 2, but otherwise essentially the same shape as that Compartment holding elements 1 have.
- the cut through the comb 10 runs horizontally and through the weft thread channel 14.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
Die Erfindung bezieht sich auf ein monolithisches
Fachhalteelement zu dem Webrotor einer
Reihenfachwebmaschine gemäss Oberbegriff von Anspruch 1
sowie auf einen Webrotor und eine Webmaschine mit
erfindungsgemässen Fachhalteelementen.The invention relates to a monolithic
Compartment holding element to the weaving rotor one
Row shed weaving machine according to the preamble of
Reihenfachwebmaschinen sind Mehrphasenwebmaschinen (siehe z.B. EP 0 013 321), bei welchen mehrere gegeneinander stufenweise verschobene Schussfäden in wandernde Webfächer eingetragen werden, wobei mit einem Webrotor eine Mehrzahl von Fächern gebildet wird, die sich jeweils über die gesamte Webbreite erstrecken. Der walzenförmige Webrotor weist axial ausgerichtete Lamellenkämme mit Anschlags- bzw. Führungslamellen auf. Zwischen den Führungslamellen sind abwechselnd Fachhalteorgane angeordnet, welche die Hoch- bzw. Tieffachstellung der Kettfäden festlegen.Row shed weaving machines are multi-phase weaving machines (see e.g. EP 0 013 321), in which several against each other gradually shifted weft threads in wandering Weaving subjects are entered, with a weaving rotor a plurality of subjects are formed, each one extend across the entire width of the weave. The roller-shaped Webrotor has axially aligned lamella combs Stop or guide slats on. Between Guide lamellae are alternately specialist holding units arranged, which is the high or low position of the Set warp threads.
Aus der EP 0 196 349 sind monolithische Fachhalteelemente bekannt, die jeweils einen Kettfadenführungsabschnitt aufweisen, der aus einem Durchgang zwischen zwei Vorsprüngen besteht, wobei der Boden des Durchgangs die Hochfachauflagefläche für Kettfäden bildet. Die Vorsprünge haben die Funktion der oben erwähnten Führungslamellen. Der Schusseintrag erfolgt mittels eines Luftstrahls. Für einzelne Fachhalteelemente ist jeweils eine Form derart vorgesehen, dass für eine Hilfsblasdüse Raum frei gehaltenen ist.From EP 0 196 349 are monolithic shelf holding elements known, each a warp thread guide section have a passage between two There is protrusion, the bottom of the passage being the Forms a high shelf for warp threads. The Projections have the function of those mentioned above Guide slats. The weft insertion takes place by means of a Air jet. For each compartment holding element is a shape is provided such that for an auxiliary blowing nozzle Space is kept free.
Diese bekannten monolithischen Fachhalteelemente werden mit Vorteil als Presslinge aus keramischem Material gefertigt. Statt ganz aus Keramik kann das Fachhalteelemente beispielsweise aus Leichtmetall bestehen, wobei zumindest der Kettfadenführungsabschnitt mit keramischem oder einem anderen widerstandsfähigen Material beschichtet sein muss.These well-known monolithic shelf holding elements with advantage as compacts made of ceramic material manufactured. Instead of entirely made of ceramic, this can be done Compartment holding elements made of light metal, for example exist, at least the warp thread guide section with ceramic or another resistant Material must be coated.
Die Hilfsdüse, die einen Luftkanal sowie eine geeignete Düsenöffnung aufweist, kann nicht oder nur mit grossem Aufwand aus keramischem Material hergestellt werden. Anders als bei den Fachhalteelementen besteht aber die kostengünstige Möglichkeit, die Hilfsdüsen aus Kunststoff zu fertigen. Wegen schneller Abnutzung durch die Kettfäden ist Kunststoff für die Fachhalteelemente nicht verwendbar.The auxiliary nozzle, an air duct and a suitable one Has nozzle opening, can not or only with large Effort can be made from ceramic material. Unlike the shelf holding elements, however, there is Inexpensive way, the auxiliary nozzles made of plastic to manufacture. Because of rapid wear from the Warp threads are not plastic for the compartment holding elements usable.
Die Erfindung beruht auf der Aufgabe, Fachhalteelemente
zu schaffen, die kostengünstiger herstellbar sind. Diese
Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.
Dadurch, dass die Hilfsdüse im Fachhalteelement
integriert ist und nicht als separates Element
hergestellt werden muss, ergibt sich eine
Kostenreduktion. Eine entsprechende Ausführung des
Fachhalteelements aus keramischem Material wäre sehr
teuer, da die für die Düse nötige Bohrung nur unter hohen
Kosten erzeugbar wäre.The invention is based on the task of holding elements
to create that are cheaper to manufacture. This
The object is solved by the features of
Ein weiterer Vorteil der integrierten Düse ist, dass zwischen Düse und Schussfadenkanal des Fachhalteelements keine problematische Übergangsstelle vorliegt. Der Schussfaden führt während des Eintrags eine über den gesamten Querschnitt des Schussfadenkanals hin- und herpendelnde Schwingbewegung aus. Damit der Faden bei den Berührungen mit den Fachhalteelementen möglichst keine Beschädigung erleidet, muss die Kontur des Kanals fadenfreundlich ausgebildet sein. In einem Spalt an der Übergangsstelle zwischen Düse und Schussfadenkanal können Fasern des Schussfadens hängen bleiben. Eine solche problematische Stelle wäre daher nicht fadenfreundlich. Als eine weitere Aufgabe der Erfindung kann daher die Beseitigung einer derartigen Übergangsstelle angesehen werden.Another advantage of the integrated nozzle is that between the nozzle and the weft thread channel of the compartment holding element there is no problematic transition point. Of the A weft thread leads over the entry entire cross section of the weft thread channel back and forth oscillating swinging motion. So that the thread with the No contact with the shelf holding elements if possible The contour of the channel suffers damage be thread-friendly. In a crack on the Transition point between the nozzle and the weft channel Fibers of the weft thread get caught. Such problematic area would therefore not be thread-friendly. As a further object of the invention, therefore Elimination of such a transition point viewed become.
Die abhängigen Ansprüche 2 bis 7 sind auf fünf Ausführungsbeispiele der Erfindung gerichtet.Dependent claims 2 to 7 are for five Embodiments of the invention directed.
Nachfolgend wird die Erfindung anhand der Zeichnungen erläutert. Es zeigen:
- Fig.1a
- den oberen Teil eines erfindungsgemässen Fachhalteelements,
- Fig.1b
- eine Seitenansicht des Ausführungsbeispiels gemäss Fig.1a,
- Fig. 2
- ein zweites Ausführungsbeispiel,
- Fig.3a
- eine Seitenansicht eines dritten Ausführungsbeispiels,
- Fig.3b
- eine Ansicht des dritten Ausführungsbeispiels in Kettrichtung,
- Fig. 4
- eine Seitenansicht eines vierten Ausführungsbeispiels,
- Fig.5a
- eine Seitenansicht eines fünften Ausführungsbeispiels,
- Fig.5b
- einen Querschnitt durch das Fachhalteelement der Fig.5a nach der Linie B-B,
- Fig. 6
- einen Ausschnitt aus einem Webrotor, in Richtung der Rotorachse gesehen,
- Fig. 7
- ein Fachhalteelement in "Halbzahnausführung" und
- Fig. 8
- einen Schnitt durch einen Teil eines Kamms, der sich aus Fachhalteelementen mit und ohne integrierten Düsen zusammensetzt.
- Fig.1a
- the upper part of a compartment holding element according to the invention,
- Fig.1b
- a side view of the embodiment shown in Figure 1a,
- Fig. 2
- a second embodiment,
- Fig.3a
- a side view of a third embodiment,
- Fig.3b
- 2 shows a view of the third exemplary embodiment in the warp direction,
- Fig. 4
- a side view of a fourth embodiment,
- Fig.5a
- a side view of a fifth embodiment,
- Fig. 5b
- 5a shows a cross section through the compartment holding element of FIG. 5a along the line BB,
- Fig. 6
- a section of a weaving rotor, seen in the direction of the rotor axis,
- Fig. 7
- a shelf holding element in "half-tooth design" and
- Fig. 8
- a section through a part of a comb, which is composed of compartment holding elements with and without integrated nozzles.
Das Fachhalteelement 1, das in den Figuren 1a und 1b
dargestellte ist, weist folgende Teile auf: Hilfsblasdüse
2 mit einer ersten Bohrung 21 und einer zweiten Bohrung
22, deren Durchmesser kleiner als der Durchmesser der
ersten Bohrung ist und welche die Austrittsöffnung 23 der
Düse 2 bildet; Hochfachauflagefläche 11 für Kettfäden,
die zwischen zwei Vorsprüngen 12 und 13 angeordnet ist;
Schussfadenkanal 14; zwei Teile 15 und 16, die zum
Befestigen des Fachhalteelements 1 in einem Webrotor 5
(vgl. Fig.6) vorgesehen sind. Im Befestigungsteil 15 ist
die erste Bohrung 21 der integrierten Düse 2 angeordnet.
Diese Bohrung 21 stellt eine Verbindung zu einem nicht
dargestellten Druckluftkanal in dem Webrotor 5 her.The
Bei dem zweiten Ausführungsbeispiel in Fig.2 liegt statt
einer einzigen Austrittsöffnung 23 eine Mehrzahl von
Austrittsöffnungen 23' vor, die durch eine entsprechende
Anzahl von Bohrungen 22, die quer zur Bohrung 21
verlaufen, gebildet werden.In the second embodiment in Figure 2 takes place
a single outlet opening 23 a plurality of
Exit openings 23 'in front by a corresponding
Number of
Bei dem dritten Ausführungsbeispiel, das in den Figuren
3a und 3b zu sehen ist, besteht die Blasdüse 2 aus einer
Bohrung 21, deren einzige Austrittsöffnung 23 gegenüber
einer Fläche 25 angeordnet ist, die für eine Umlenkung
des Luftstrahls 29 in den Schussfadenkanal 14 vorgesehen
ist.In the third embodiment, that in the figures
3a and 3b can be seen, the blowing
Bei dem vierten Ausführungsbeispiel, Fig. 4, ist in der
Bohrung 21 ein Einsatzstück 3 angeordnet, das ein
Abschlusselement 30 der Bohrung 21 bildet und in dem sich
die Düsenöffnung 23 befindet. Am Eingang der Bohrung 21
ist eine Erweiterung 31 für eine Verankerung des
Einsatzstücks 3 vorgesehen.In the fourth embodiment, Fig. 4, is in the
Bei dem fünften Ausführungsbeispiel, Figuren 5a und 5b,
liegen zwei integrierte Blasdüsen 2a und 2b vor, die
spiegelbildlich zueinander angeordnet sind. Weisen die
zwei Düsen 2a und 2b die gleiche Blasleistung auf, so
vereinigen sich die beiden aus den Düsen strömenden
Luftstrahlen 29a und 29b zu einem gemeinsamen Luftstrahl,
der sich in Richtung des Schussfadenkanals 14 bewegt. In the fifth embodiment, FIGS. 5a and 5b,
there are two
Der in Fig.6 ausschnittsweise dargestellte und in
Achsrichtung gesehene Webrotor 5 zeigt Elemente von drei
benachbarten Lamellenkämmen, nämlich neben den
Fachhalteelementen 1 eine Anschlagslamelle 4. Die
Elemente sind auf eine Walze 50 des Webrotors 5
aufgesetzt. Der Pfeil P gibt die Drehrichtung des
Webrotors 5 an.The detail shown in Figure 6 and in
In Fig.6 sind Fachhalteelemente 1 mit integrierten
Hilfsblasdüsen 2 gezeigt. Es genügt aber, wenn nur
einzelne der Fachhalteelemente 1 Düsen 2 aufweisen. In
der Regel ist es erforderlich, dass die
Fachhalteelemente, die jeweils zu einem Fachhalteelement
mit integrierter Düse 2 benachbart sind, eine geeignete
Form aufweisen, für die sich keine Beeinträchtigung der
durch die Düsen 2 abgegebenen Luftstrahlen 29 ergibt.
Fig.7 zeigt ein derartiges Fachhalteelement 1'. In Fig.8
ist ein Kamm 10 mit Fachhalteelementen 1 (gemäss Fig.1),
1' (gemäss Fig.7) und 1" dargestellt, wobei die
Fachhalteelemente 1" keine Düsen 2 aufweisen, sonst aber
im wesentlichen die gleiche Form wie die
Fachhalteelemente 1 haben. Der Schnitt durch den Kamm 10
verläuft horizontal und durch den Schussfadenkanal 14.In Fig.6 are
Claims (10)
- Monolithic shed holder element (1) for the weaving rotor (5) of a series shed weaving machine wherein a blower nozzle (2) provided for the weft insertion is associated with the shed holder element and wherein the shed holder element (1) is manufactured from a piece of metal,
characterised in that the blower nozzle (2) is integrated into the shed holder element and comprises at least one bore (21) provided in said shed holder element. - Shed holder element in accordance with claim 1 characterised in that the blower nozzle (2) has a first bore (21) the longitudinal axis of which extends substantially radially with respect to the weaving rotor as well as at least one second bore (22) which extends transversely to the first bore.
- Shed holder element in accordance with claim 2 characterised in that bores (22') transverse to the first bore (21) form a plurality of nozzle openings (23').
- Shed holder element in accordance with claim 1 characterised in that the blower nozzle (2) consists of a bore (21) the exit opening (23) of which is placed opposite to a surface (25) which is provided for a deflection of the air jet (29).
- Shed holder element in accordance with claim 1 characterised in that an insert (3) is arranged in the bore (21) and forms a terminal element (30) of the bore with a nozzle opening (23).
- Shed holder element in accordance with claim 1 characterised in that two integrated blower nozzles (2a, 2b) are present which are at least approximately placed in a mirror image arrangement with respect to one another.
- Shed holder element in accordance with claim 6 characterised in that at least approximately the same blowing power is provided for the two nozzles (2a, 2b).
- Weaving rotor (5) of a series shed weaving machine with shed holder elements (1) in accordance with one of the claims 1 to 7.
- Weaving rotor in accordance with claim 8 characterised in that only some shed holder elements (1) each have at least one blower nozzle (2).
- Series shed weaving machine with a weaving rotor in accordance with claim 8 or 9.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1631/95 | 1995-06-02 | ||
CH163195 | 1995-06-02 | ||
CH163195 | 1995-06-02 | ||
PCT/CH1996/000154 WO1996038611A1 (en) | 1995-06-02 | 1996-04-26 | Monolithic shed-holding component for the weaving rotor of a shed course loom |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0828878A1 EP0828878A1 (en) | 1998-03-18 |
EP0828878B1 true EP0828878B1 (en) | 1999-08-25 |
Family
ID=4214966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96908997A Expired - Lifetime EP0828878B1 (en) | 1995-06-02 | 1996-04-26 | Monolithic shed-holding component for the weaving rotor of a shed course loom |
Country Status (6)
Country | Link |
---|---|
US (1) | US5950685A (en) |
EP (1) | EP0828878B1 (en) |
JP (1) | JPH11505893A (en) |
AU (1) | AU5267696A (en) |
DE (1) | DE59602884D1 (en) |
WO (1) | WO1996038611A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH633590A5 (en) * | 1978-12-07 | 1982-12-15 | Rueti Ag Maschf | ROW WAVING MACHINE WITH A WEB ROTOR. |
JPS55122047A (en) * | 1979-03-14 | 1980-09-19 | Toyoda Automatic Loom Works | Auxiliary nozzle of jet loom |
JPS5852305Y2 (en) * | 1979-06-30 | 1983-11-29 | 株式会社豊田自動織機製作所 | Weft guide in fluid jet looms |
CH645418A5 (en) * | 1980-03-27 | 1984-09-28 | Rueti Ag Maschf | DEVICE FOR GUIDING A MEANS OF A FLOWING FLUID DRIVEN IN THE WEAVING COMPARTMENT OF A WEAVING MACHINE. |
EP0143859B1 (en) * | 1983-12-01 | 1987-03-11 | Maschinenfabrik Sulzer-Rüti Ag | Weaving rotor for a linear shed multiphase pneumatic loom |
DE3575167D1 (en) * | 1985-04-02 | 1990-02-08 | Sulzer Ag | WEBROTOR FOR SERIES SPECIAL WAVING MACHINES. |
-
1996
- 1996-04-26 US US08/973,136 patent/US5950685A/en not_active Expired - Fee Related
- 1996-04-26 DE DE59602884T patent/DE59602884D1/en not_active Expired - Fee Related
- 1996-04-26 JP JP8536063A patent/JPH11505893A/en active Pending
- 1996-04-26 AU AU52676/96A patent/AU5267696A/en not_active Abandoned
- 1996-04-26 WO PCT/CH1996/000154 patent/WO1996038611A1/en active IP Right Grant
- 1996-04-26 EP EP96908997A patent/EP0828878B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996038611A1 (en) | 1996-12-05 |
AU5267696A (en) | 1996-12-18 |
EP0828878A1 (en) | 1998-03-18 |
JPH11505893A (en) | 1999-05-25 |
US5950685A (en) | 1999-09-14 |
DE59602884D1 (en) | 1999-09-30 |
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