EP0799339B1 - Metier a tisser pour ruban - Google Patents

Metier a tisser pour ruban Download PDF

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Publication number
EP0799339B1
EP0799339B1 EP95940108A EP95940108A EP0799339B1 EP 0799339 B1 EP0799339 B1 EP 0799339B1 EP 95940108 A EP95940108 A EP 95940108A EP 95940108 A EP95940108 A EP 95940108A EP 0799339 B1 EP0799339 B1 EP 0799339B1
Authority
EP
European Patent Office
Prior art keywords
weft
weft thread
ribbon loom
needle
loom according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95940108A
Other languages
German (de)
English (en)
Other versions
EP0799339A1 (fr
Inventor
Francisco Speich
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.)
Textilma AG
Original Assignee
Textilma AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Textilma AG filed Critical Textilma AG
Publication of EP0799339A1 publication Critical patent/EP0799339A1/fr
Application granted granted Critical
Publication of EP0799339B1 publication Critical patent/EP0799339B1/fr
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
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/205—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage by means of a fluid
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a ribbon loom according to the preamble of claim 1.
  • Ribbon looms of the type mentioned are in many Form known, for example from GB-B-2 039 547.
  • the ribbon loom contains a weft insertion needle, the a weft feeder is associated with -in Seen the direction of the weft - a weft source, a weft brake, a weft conveyor and has a weft compensation device.
  • the weft compensation device is formed by a leg spring between a first and a second position back and forth. In the first position the leg spring gives the weft to insert one Weft thread loop into a by means of the weft insertion needle Shed free.
  • Ribbon looms with such mechanical balancing devices have the disadvantage that in their performance, that means that the maximum speed is limited to 2,500 rpm. If such a ribbon loom is operated at a higher speed, this creates serious problems.
  • the leg springs can break and / or come in critical Vibration range in which the tension of the weft can no longer be controlled. Natural vibrations and Mass forces require a higher spring force, the greater can be considered the tensile strength of the weft to be processed. As a result of the necessary greater leg spring force the service life of the tongue knitting needles drops to 1/2 Hour.
  • the weft thread tension is too high a strong weaving of the tapes to be produced and the tape cannot be kept at a constant width, the belt especially when starting the belt loom is narrower. Further broken wire breaks occur as As a result of the excess weft tension required.
  • tongue knitting needles also tongue needle called, manufactured.
  • tongue knitting needles are only up suitable for speeds of 2,500 rpm. At higher speeds breaks occur on the hooks and tongues as a result of high acceleration when turning the tongues. The downtimes the tongue knitting needles at speeds of 2,500 to 4,000 rpm approximately 1 to 4 hours, which in the Practice is not acceptable.
  • each pneumatic compensation devices for weft threads for unprotected weaving machines are known in which from a weft supply one weft thread in each case via a supplying plant deducted and a pneumatic compensation device is fed.
  • the length of the blown weft section is determined by the opening time of the Clamping device.
  • the weft thread entry is closed interrupted the clamping device and the registered weft section (Single shot) is by means of a cutting device separated from the weft.
  • the clamping device serves both to control the weft thread section to be entered how to prevent weft retraction from the blow nozzle between two entry processes.
  • a such weft feed is for a ribbon loom a weft insertion needle obviously completely unsuitable.
  • the weft thread closes no time cut into sections but is continuous connected to the fabric to be manufactured and is in shape a weft loop (double weft) is inserted into the shed and tied on one side of the fabric by means of a knitting needle.
  • the clamp would not only be practical prevent uninterrupted weft thread transport to the fabric, but especially the one for tensioning the weft thread and necessary to form a perfect effective edge Withdrawal of the weft.
  • the object of the invention is a ribbon loom of the beginning mentioned type so that they have a higher Performance enables.
  • the compensation device works pneumatically is designed as a blowing and / or suction device, results a ribbon loom, its weft compensation device is practically massless or towards the mass of the treating weft is limited.
  • the tension of the Weft thread can be absolutely constant and at its lowest Value are maintained, this voltage being preferred by adjustable components of the feeder through the weft material and / or the weaving conditions can be subtly adapted to the given conditions. So that retraction tension required for a perfect ribbon loom for the inserted weft loop adhered to and the magnitude of the voltage by a preferred adjustable guide eye can be regulated. This opens up new dimensions for the performance of a ribbon loom, which is now in contrast to the well-known ribbon looms with a much higher speed of, for example 3,000 to 6,000 rpm can be operated.
  • a configuration according to claim is particularly advantageous 2, whereby the weft thread is stretched by means of the guide eyelet can be set according to claim 12.
  • Claim 6 describes a further possibility of configuration the compensation device.
  • the configurations of the ribbon loom according to claims 7 up to 9 contribute to a more subtle control of the weft and thus the adaptation to the thread quality on the one hand and the weaving conditions on the other hand.
  • the feeder for the weft thread is advantageous according to claim 10 adjustable so that the weft thread both when extended as stretched when the weft insertion needle is retracted. This will not only be the one when inserting the weft thread required weft supply kept particularly small, but there are also any vibrations of the weft thread prevented during the entry cycle, which is a burden represent for the weft and the weaving process would affect.
  • the stretching of the weft thread when the weft insertion needle is retracted and extended preferably by means of the weft conveyor set.
  • the setting of the extension of the Weft thread with the weft insertion needle extended and retracted is preferably carried out by means of the guide eyelet
  • the selvedges are always on the set bandwidth tense and to exactly constant Kept wide.
  • FIGS 1 to 3 show essential components of a Ribbon loom in the form of a block diagram in different operating states of the weft insertion needle.
  • the ribbon loom has a reed 2, which a weft loop 4 which is formed in a warp thread 6 Shed has been entered on a product edge 10 strikes.
  • A is used to insert the weft thread loop 4
  • Weft insertion needle 12 which is crescent-shaped and around an axis 14 is pivotable back and forth.
  • On the Entry side on which the weft insertion needle 12 is arranged is, opposite side of the web 16, that is, the manufactured ribbon, a knitting needle 18 is arranged, the serves to tie the weft loop 4.
  • the knitting needle is designed as a latch needle and in the figures 2 and 3 as a slide needle 18a, which is based on FIGS 11 is further explained below.
  • the weft insertion needle 12 becomes a weft 20 by means of fed to a feed device 22.
  • a weft bobbin serves as the weft source 24 of which the weft 20, for example, over an adjustable thread brake 26 to a conveyor 28 arrives, the weft 20 with adjustable speed continuously promotes.
  • From there the Weft thread over a preferably optically designed Weft monitor 30 to a pneumatically operating compensation device 32 and further via a position adjustable Guide eye 34 to the weft insertion needle 12.
  • ballast can the weft monitor of the compensation device 32 can also be connected downstream.
  • the pneumatic Compensating device 32 has a blowing device 36 and / or suction device 38, which with the Weft thread interacts or act.
  • the blowing device 36 contains a blow nozzle 40 which is connected via a line 42 to a Blower device 44 is connected, which is a compressed air 45 generated.
  • the suction device 38 with a suction nozzle is analogous 46 equipped via a line 48 with the suction side a blower device 50 is connected and suction air 49 generated.
  • the compensation device 32 nd both with a blowing device 36 and with a suction device 38, wherein the suction air 49 through aspirated ambient air 51 is formed.
  • only one suction device 38 is used is described in more detail with reference to FIGS. 6 and 7.
  • the pneumatic compensation device 32 serves on the one hand the inclusion of a weft thread reserve, which is caused by the intermittent weft withdrawal when inserting the Weft loop in the shed.
  • the Compensating device also to the weft for the Entry of the weft loop into the shed required To impart tension.
  • FIG. 2 is the position of the weft insertion needle shown how this the guide eyelet 34 before entering the weft loop happens, the components of the Feed device and in particular the compensation device 32 are set so that the weft thread between the Guide eye 34 and the goods edge 52 runs in a straight line, the excess length of the weft thread from the compensation device 32 is included. Dashed indicates how the weft course would be 58 if not sufficient Weft thread tension would be present.
  • the conveyor 28 is set so that at this stage in the compensation device 32 has formed a weft thread supply 60, during the insertion of the weft thread loop shown in FIG. 3 is used up in the shed. At the in FIG.
  • FIG. 3 shows the weft insertion needle Weft thread loop 4 entered in the shed 8, namely in such a way that the weft thread for stitch formation when Tying the weft thread loop inserted into the knitting needle 18a is.
  • the components especially those Compensation device 32 of the feed device 22 set so that the weft loop with straight legs 62.64 lies in the shed 8. While extending the Weft insertion needle 12 from the shed 8 does not become a weft thread 20 needed.
  • the constant working conveyor 28, on the other hand continuously delivers weft thread, which of the Compensation device added as weft supply 60 and is kept ready for the next firing cycle.
  • the individual components of the feed device 32 can by means of a suitable control device, not shown, which can contain a computer, on top of each other be coordinated.
  • FIG. 4 shows a blower device 36 Compensating device 32, in which the blowing nozzle 40 on the Weft thread 20 acts between 66.68 between two guides is performed in a flat chamber analogous to that in the Figures 6 and 7 shown chamber 82 can be arranged.
  • FIG. 5 shows a further compensation device 32a, at the weft thread 20 is guided in a channel section 70 is, in which a blowing nozzle 72 opens, namely under one such an angle that the blowing air flow 74 against the direction of travel 76 of the weft is directed.
  • the weft can then have a weft supply 78 between the end of the Form channel section 70 and a guide 80.
  • Figures 6 and 7 show those used in Figures 1 to 3 Compensating device 32, which acts as a suction device 38 is trained.
  • the suction device contains a flat chamber 82, a weft feeder on a narrow side 84 86 and a weft thread removal on the other narrow side 88 has.
  • the width B of the chamber is preferably dimensioned so that it is equal or smaller than 50 times the thickness D of the weft thread 20.
  • the length C of the Chamber is larger than the width B.
  • the flat chamber 82 of the Suction nozzle 46 merges into line 48.
  • Chamber 82 is on equipped with a weft monitor 90 on the open side, that by means of a monitoring beam 91 of a diode in the direction of flow 92 of the suction air flow points around the Monitor weft 20 or a weft supply 60. Sucking is carried out using a known, not shown Suction pump.
  • FIGS. 8 to 11 show a slide needle device, their basic structure, for example from CH-PS 644 163 is known.
  • the slide needle 18a consists of a Needle head 94 with a hook 96 attached to a hollow needle shaft 98 is arranged. The latter is on a hook lever 100 attached, which is connected to a hollow shaft 102, which carries out the required swiveling movement.
  • the slide needle contains the one guided through the hollow shaft 98 Slide 104, which is attached to a slide lever 106, which in turn is arranged on a shaft 108 which in the hollow shaft 102 lies and for the reciprocating Movement of the slide 104 provides.
  • FIG. 8 shows the assignment of the slide needle 18a to the shed 8, which is formed by the warp threads 6, and to the weft insertion needle 12 and the reed 2.
  • the hook 96 is advantageously the slide needle 18a on the weft insertion needle or the web 16 facing away Side at an angle of 0 ° to 180 ° to the plane of movement 112 of the slide needle 18a inclined.

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

Abstract

L'invention concerne un métier à tisser pour ruban qui contient une aiguille d'insertion de trame (12) servant à introduire une boucle de fil de trame (4) dans un pas de chaîne (8). La boucle de fil de trame est nouée sur le côté de la nappe de tissu (16), opposé à l'aiguille d'insertion (12), à l'aide d'une aiguille à tricoter (18). Un dispositif d'alimentation (22) amenant le fil de trame (20) est associé à l'aiguille d'insertion de trame (12) et contient un dispositif de compensation (32) pneumatique, qui se présente sous forme de dispositif de soufflage (36) et/ou de dispositif d'aspiration (38). Un ÷illet de guidage (34) séparé destiné au fil de trame (20) est en outre associé à l'aiguille d'insertion de trame (12). On obtient ainsi un dispositif de compensation particulièrement efficace, qui garantit une régulation précise du fil de trame lorsque le métier à tisser pour ruban fonctionne à haut régime. Les lisières sont tendues en permanence à la largeur déterminée et sont maintenues à une largeur constante.

Claims (15)

  1. Métier à tisser pour ruban comprenant une aiguille d'insertion de trame (12) avec un dispositif d'alimentation de fil de trame (22) comprenant un dispositif compensateur de fil de trame (32, 32a) pour tendre le fil de trame (20) et une aiguille à tricoter (18, 18a) pour nouer une boucle de fil de trame (4) introduite dans la foule (8),
    caractérisé en ce que
    le dispositif compensateur (32, 32a) est un dispositif à fonctionnement pneumatique en forme de dispositif de soufflage (36) et/ou d'aspiration (38) et
    en aval du dispositif compensateur (32, 32a) selon le sens de passage du fil et en amont de l'aiguille d'insertion de trame (12), il est prévu un oeillet de guidage de fil de trame (34), séparé.
  2. Métier à tisser pour ruban selon la revendication 1,
    caractérisé en ce que
    l'oeillet de guidage (34), séparé est réglable en position.
  3. Métier à tisser pour ruban selon la revendication 1 ou 2,
    caractérisé en ce que
    le dispositif de soufflage (36) et/ou d'aspiration (38) comporte une chambre rectangulaire plate (82) dont un petit côté (84) est muni d'une entrée de fil de trame (68, 86) et l'autre petit côté, une sortie de fil de trame (66, 88).
  4. Métier à tisser pour ruban selon la revendication 3,
    caractérisé en ce que
    la largeur (B) de la chambre (82) est égale ou inférieure à 50 fois l'épaisseur (D) du fil de trame (20) et la longueur (C) est supérieure à la largeur (B).
  5. Métier à tisser pour ruban selon la revendication 3 ou 4,
    caractérisé en ce que
    le fil de trame est surveillé dans la chambre (82) de préférence dans la direction de passage (92) du flux d'air par un garde de fil de trame (90) qui contrôle la rupture ou la disparition.
  6. Métier à tisser pour ruban selon la revendication 1 ou 2,
    caractérisé en ce que
    le dispositif compensateur (32a) comporte un segment de canal (70) pour le fil de trame (20) dans lequel débouche une buse de soufflage (72) suivant un angle aigu tel que le flux d'air soufflé (74) soit dirigé dans le sens opposé de la direction de défilement (76) du fil de trame (20).
  7. Métier à tisser pour ruban selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le dispositif compensateur (32, 32a) est précédé d'un frein de fil de trame (26).
  8. Métier à tisser pour ruban selon l'une quelconque des revendications 1 à 4 et 6 à 7,
    caractérisé en ce que
    le dispositif compensateur (32, 32a) est précédé ou suivi d'un garde de fil de trame (30) de préférence optique.
  9. Métier à tisser pour ruban selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce que
    le dispositif d'alimentation (22) comporte une source de fil de trame (24) et un dispositif de transport de fil de trame (28) en amont du dispositif compensateur (32, 32a).
  10. Métier à tisser pour ruban selon l'une des revendications 1 à 9,
    caractérisé en ce que
    le dispositif d'alimentation (22) est réglable pour que le fil de trame (20) soit tendu à la fois lorsque l'aiguille d'insertion de trame (12) est rentrée et lorsqu'elle est déployée.
  11. Métier à tisser pour ruban selon la revendication 10,
    caractérisé en ce que
    la tension du fil de trame (20) lorsque l'aiguille d'insertion de trame (12) est rentrée ou est déployée se règle par un dispositif de transport de fil de trame (28).
  12. Métier à tisser pour ruban selon la revendication 2 et/ou 10,
    caractérisé en ce que
    la tension du fil de trame (20) est réglable par l'oeillet de guidage (34) lorsque l'aiguille d'insertion de trame (12) est rentrée ou est sortie.
  13. Métier à tisser pour ruban selon l'une des revendications 1 à 12,
    caractérisé en ce que
    l'aiguille à tricoter est une aiguille glissante (18a).
  14. Métier à tisser pour ruban selon la revendication 13,
    caractérisé en ce que
    la partie de crochet (96, 98, 100) et la partie de coulisseau (104, 106, 108) de l'aiguille pivotent autour du même axe (110).
  15. Métier à tisser pour ruban selon la revendication 13 ou 14,
    caractérisé en ce que
    le crochet (96) de la partie de crochet de l'aiguille glissante (18a) forme du côté de la bande de produit (16) opposée à l'aiguille d'insertion de trame (12), un angle compris entre 0° et 180° par rapport au plan de déplacement (112) de l'aiguille glissante.
EP95940108A 1994-12-22 1995-12-19 Metier a tisser pour ruban Expired - Lifetime EP0799339B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9420562U DE9420562U1 (de) 1994-12-22 1994-12-22 Bandwebmaschine
DE9420562U 1994-12-22
PCT/CH1995/000301 WO1996019604A1 (fr) 1994-12-22 1995-12-19 Metier a tisser pour ruban

Publications (2)

Publication Number Publication Date
EP0799339A1 EP0799339A1 (fr) 1997-10-08
EP0799339B1 true EP0799339B1 (fr) 1999-04-14

Family

ID=6917800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95940108A Expired - Lifetime EP0799339B1 (fr) 1994-12-22 1995-12-19 Metier a tisser pour ruban

Country Status (9)

Country Link
US (1) US5878787A (fr)
EP (1) EP0799339B1 (fr)
JP (1) JPH10511435A (fr)
AU (1) AU4170296A (fr)
DE (2) DE9420562U1 (fr)
ES (1) ES2130682T3 (fr)
RU (1) RU2129174C1 (fr)
TR (1) TR199501674A2 (fr)
WO (1) WO1996019604A1 (fr)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
DE9420562U1 (de) * 1994-12-22 1995-02-16 Textilma Ag Bandwebmaschine
DE29514298U1 (de) * 1995-09-06 1995-10-26 Textilma Ag Webmaschine
US7451787B2 (en) * 2004-06-03 2008-11-18 Textilma Ag Weft introduction needle for a ribbon needle loom
DE102004059780B4 (de) * 2004-12-07 2020-10-15 Kikuchi Kogyo Co., Ltd. Verfahren zur Herstellung eines auf Nadelwebmaschinen gewebten Bandes mit webtechnisch gleichen Kanten
DE502006005933D1 (de) * 2005-10-06 2010-03-04 Textilma Ag Verfahren und nadelbandwebmaschine zum weben eines bandes
US8165712B2 (en) * 2006-05-04 2012-04-24 Textilma Ag Loom, in particular a ribbon loom
TW200825231A (en) * 2006-09-05 2008-06-16 Textilma Ag Ribbon needle loom
CN102454005A (zh) * 2010-10-29 2012-05-16 苏州丽丝兰时装有限公司 旋转织带机
DE202011051959U1 (de) 2011-11-14 2012-01-16 Textilma Ag Pneumatischer Fadenstrecker
RU2602766C1 (ru) * 2015-07-08 2016-11-20 Федеральное государственное бюджетное образовательное учреждение высшего образования "Владивостокский государственный университет экономики и сервиса" (ВГУЭС) Оптоэлектронное устройство для оценки параметров раздвигаемости нитей текстильных материалов
DE102019103193A1 (de) * 2019-02-08 2020-08-13 Saurer Spinning Solutions Gmbh & Co. Kg Fadenspeicherrohr für eine Arbeitsstelle einer Textilmaschine sowie Arbeitsstelle einer Textilmaschine

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Publication number Priority date Publication date Assignee Title
US2469202A (en) * 1948-05-01 1949-05-03 Harry Dexter Peck Loom attachment for weaving ladder webbing
NL6700828A (fr) * 1967-01-18 1968-07-19
CH515176A (de) * 1969-06-21 1971-11-15 Castelli Luigi Vorrichtung zur Regelung der Garnförderung bei Textilmaschinen
CH502459A (de) * 1969-07-22 1971-01-31 Rueti Ag Maschf Einrichtung zur Beeinflussung eines Fadens
NL7600569A (nl) * 1976-01-20 1977-07-22 Rueti Te Strake Bv Weefmachine met een pneumatisch bediende buffer- inrichting voor het inslaggaren.
FR2352086A1 (fr) * 1976-05-17 1977-12-16 Saurer Diederichs Sa Dispositif pour retendre un fil de trame au devidage dans une machine a tisser sans navette
NL7611646A (nl) * 1976-10-21 1978-04-25 Rueti Te Strake Bv Spoelloze weefmachine.
JPS5516942A (en) * 1978-07-18 1980-02-06 Yoshida Kogyo Kk Weft yarn tensioning apparatus
AT363394B (de) * 1978-11-24 1981-07-27 Saurer Ag Adolph Verfahren zum abziehen des schussgarnes bei webmaschinen und vorrichtung zur durchfuehrung des verfahrens
GB2039547B (en) * 1979-01-18 1983-08-17 Bonas Machine Co Yarn feed controlling device
CH650291A5 (en) * 1980-03-04 1985-07-15 Textilma Ag Weaving machine
FR2495196A1 (fr) * 1980-11-28 1982-06-04 Alsacienne Constr Meca Procede et dispositif de formation d'une reserve de fil de trame pour metiers a tisser
DE3341042A1 (de) * 1983-07-25 1985-02-07 Textilma Ag, Hergiswil Einrichtung zum zufuehren und regeln eines fadens fuer eine textilmaschine, insbesondere eine webmaschine
DE9420562U1 (de) * 1994-12-22 1995-02-16 Textilma Ag Bandwebmaschine

Also Published As

Publication number Publication date
ES2130682T3 (es) 1999-07-01
WO1996019604A1 (fr) 1996-06-27
DE9420562U1 (de) 1995-02-16
RU2129174C1 (ru) 1999-04-20
EP0799339A1 (fr) 1997-10-08
US5878787A (en) 1999-03-09
JPH10511435A (ja) 1998-11-04
DE59505677D1 (de) 1999-05-20
AU4170296A (en) 1996-07-10
TR199501674A2 (tr) 1996-07-21

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