EP1382725A1 - Rotationsschaftmaschine für Webmaschinen und Webmaschine mit einer solchen Schaftmaschine - Google Patents

Rotationsschaftmaschine für Webmaschinen und Webmaschine mit einer solchen Schaftmaschine Download PDF

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Publication number
EP1382725A1
EP1382725A1 EP03356112A EP03356112A EP1382725A1 EP 1382725 A1 EP1382725 A1 EP 1382725A1 EP 03356112 A EP03356112 A EP 03356112A EP 03356112 A EP03356112 A EP 03356112A EP 1382725 A1 EP1382725 A1 EP 1382725A1
Authority
EP
European Patent Office
Prior art keywords
dobby
levers
coupling member
selector
lever
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
EP03356112A
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English (en)
French (fr)
Other versions
EP1382725B1 (de
Inventor
Jean-Pierre Pages
Patrick Iltis
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.)
Staubli Faverges SCA
Original Assignee
Staubli Faverges SCA
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Filing date
Publication date
Application filed by Staubli Faverges SCA filed Critical Staubli Faverges SCA
Publication of EP1382725A1 publication Critical patent/EP1382725A1/de
Application granted granted Critical
Publication of EP1382725B1 publication Critical patent/EP1382725B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams

Definitions

  • the invention relates to a rotary dobby for the control of heald frames mounted on a loom and a loom equipped with such a dobby.
  • oscillating linkages In rotating dobbies, vertical movement alternatively smooth frames is provided by oscillating linkages, these sets oscillating being controlled by actuating elements in the form of eccentrics.
  • actuating elements are mounted on a main tree of the dobby that is animated intermittent rotation and, at each stopping of this tree, a reading device controls the securing the actuating element with the shaft to order an oscillating piece according to the drawing or weave to get on the fabric being weaved.
  • FR-A-2 540 524 discloses a rotary dobby in which this selective joining is obtained thanks to a solidarity plate of an eccentric forming actuating element and comprising two notches diametrically opposed to cooperate with the beak of two pivoting levers controlled by a device reading-. It is, moreover, known from FR-A-2 757 884 to use a pivoting selector to activate selectively one or the other of two pivoting levers of the type of those mentioned above. This selector is controlled by an electromagnet and subjected to the action of recall means. FR-A-2 757 882 teaches, meanwhile, provide that, when the pivoting levers are engaged with certain jamming surfaces provided on a plateau, they are out of range of a selector.
  • the mobile assembly forming a selector or actuator comprises a pusher that is used to move one or the other of the pivoting levers against recall efforts to which they are subject.
  • This pusher must therefore be robust enough to ensure this function and the electromagnet that the command must be powerful, which in practice means increasing its size to such an extent that it is not necessarily compatible with the division corresponding to the thickness of the frames of smooth of the trade.
  • the energy needed to control the pusher increases greatly to great speed, which makes it necessary to size accordingly pusher and the electromagnet.
  • the electromagnet associated with the pusher is subject to accelerations and intense vibrations, which reduces its life.
  • the drive levers pivoting against the action of the second means of elastic return is made thanks to the mechanical parts which are dimensioned taking into account their function essentially mechanical, the selector of the device the reading can then be lighter and controlled by a spring and a lower power electromagnet than in the devices of the state of the art.
  • the invention allows to push back the pivoting levers that are not engaged on a passive jamming surface in a configuration where these levers do not interfere with the coupling member and, in this configuration, to operate the reading device to position the selector in front of one or the other of these levers.
  • the selector then has only a passive stop role when the mechanical parts release the pivoting levers. This selector is not subject to vibration, which improves its life.
  • the invention also relates to a loom equipped with a dobby as described above.
  • Such profession is likely to operate at high speed without risk of breakage or premature wear of its device of reading, so that it is more reliable and more economic that the looms of the state of the technical.
  • the dobby shown in Figures 1 and 2 comprises a main shaft 1 rotated intermittent with stop all half-turns.
  • This tree 1 receives a series of bearings in number equal to that of smooth frames or blades of the craft.
  • On each crazy ride went up an eccentric 2 going on laterally by a plateau 3.
  • On each eccentric 2 is crazy climb the opening of a connecting rod 4 whose end free arm attaches to a pivoting arm 5 which ensures, thanks to connecting rods 6a and angle levers 6b, the displacement vertical of the heald frame 6 of the blade envisaged, shown very schematically.
  • the tree 1 Between two eccentric 2 contiguous, the tree 1, provided grooved, carries a drive disk 7 which is solidarity and whose periphery is divided by two radial notches 7a diametrically opposite one to the other. These notches 7a are intended to receive selectively the terminal finger 8a of an articulated pawl 8 on an axis 9 carried by the lateral plate 3 of the eccentric 2 corresponding.
  • a spring 10 tends to constantly remind the finger 8a of the ratchet 8 direction of the tree 1.
  • each pawl 8 The control of each pawl 8 is ensured by means of two pivoting levers 11 hinged on fixed axes 12 oriented parallel to the shaft 1.
  • Each lever 11 has a generally angled profile, with two branches 111 and 112 oriented substantially at 90 ° one compared to each other.
  • each lever 11 has a spout 113 capable of cooperating with a passive jamming surface 31 and a surface of active jamming 32 formed on the periphery of the plate 3.
  • the tray 3 can be immobilized in two positions, separated by a rotation 180 ° of the plate 3, depending on whether the nozzle 113 shown in FIG. left of FIG. 1 cooperates with the surface 31, whereas the spout 113 shown on the right cooperates with the surface 32, as shown in Figure 1, or the spout 113 shown on the left cooperates with the surface 32 while the beak 113 shown to the right cooperates with the surface 31.
  • levers 15 are articulated around the axes 12 and are each provided with a cross 151 disposed at the end of a first branch 152 of the levers 15.
  • the cross-members 151 extend according to a direction generally parallel to the longitudinal axis X-X ' of the tree 1.
  • Each lever 11 is urged by a spring of traction 13 whose end is fixed on a bar latching 14, the levers 11 tending, under the effect of the effort due to the springs 13, to bring their respective beaks 113 of the shaft 1. As far as the lever 11 located on the ratchet 8 side, the spring 13 tends to push the spout 113 towards the pawl 8 and thus release the finger 8a of the notch 7a nearest.
  • Each lever 15 is also provided with a second branch 153 whose free end carries a roller 154 intended to cooperate with a control cam 16 set on the shaft 1.
  • the cam 16 is provided with two notches diametrically opposite engagement 161 pebbles 154.
  • the rotation of the shaft 1 has the effect of moving the cross members 151 towards the branches 111 of the levers 11 and to rotate the levers 11 which are not already engaged with a surface 31, in the direction of the arrow F 3 in Figure 1.
  • levers 11, including bins 113 already engaged with jamming surfaces 31, are out of reach of a selector 201 belonging to the device of the dobby 20, in accordance with the technical education of FR-A-2 757 882. In addition, in this position, these levers are also out of reach sleepers 151.
  • cross members 151 play the role of pushers who come, every half-turn of the tree 1 and simultaneously, push the branches 111 of the levers 11 and to clear them from the selectors 201.
  • levers 15 are independent of selector 201 to which they do not transmit directly from solicitations.
  • the reading device 20 is mounted between the latching bars 14 and comprises the selector 201 which is articulated around a fixed axis 202 and pivotable represented by the double arrow F 4 in FIG. 1.
  • the pivoting of the selector 201 is controlled by an electromagnet 203, fixedly mounted on a frame 204 from which the axis 202 extends, and a return spring 205.
  • the selector 201 can be moved by the electromagnet 203 when the cross members 151 exert a thrust force F 5 on the branches 111 in the direction of the shaft 1, this effort resulting in the pivoting of the levers 11 in the direction of the arrows F 3 and having the effect of spreading the notches 113 of the wedging surfaces 32.
  • the selector 201 can be tilted, as shown by the arrow F 4 , between a locking position of the lever 11 whose spout 113 is opposite the pawl 8 and a neutral position vis-à-vis the branch 111 of the other lever which is out of range of the selector 201 being tilted under the effect of the support of its spout 113 on the surface 31.
  • the single end 201a of the selector 201 can block one or the other of the levers 11.
  • levers 15 are exerted by levers 15 and, more specifically, by sleepers 151, while the selector 201 simply opposes the pivoting of one either of the levers 11 under the effect of the springs 13.
  • these sleepers may extend over substantially the entire width of the dobby, that is to say the length of the tree 1, being articulated on the fixed axes 12, preferably at each end of the crosspieces 151.
  • crossings 151 have a leveling function of the levers 11 of the dobby that they cross simultaneously for all the blades.
  • the elements similar to those of the first embodiment bear identical references.
  • This embodiment differs from the previous one in that the locking member is not a pawl but a pair of locks 108 and 108 'hinged on pins 109a and 109'a integral with the plate 3 and comprising heel-forming limbs.
  • 108a, respectively 108 ' is capable of interacting with the notches 107 and 107' is provided on a disk 107 of the same type as the disk 7 of the first embodiment.
  • the locks 108 and 108 ' are each subjected to the action of a spring 110, respectively 110'.
  • these latches 108 and 108 ' are controlled by levers 11 subjected to the action of sleepers 151 belonging to levers 15 similar to those of the first embodiment.
  • the selector 201 is subjected to the action of a spring 205 and an electromagnet 203 and its movement F 4 is limited by a stop 206.
  • At least some of the branches 112 levers 11 are each surrounded by a shirt made of synthetic material 114, the material of which is chosen to limit the friction with the elements surrounding the dobby, such as connecting rods 4 or eccentric 2, with which they are reduced clearance.
  • These shirts also allow for very accurate positioning levers between the blades and avoid the use of parts additional, such as guide rakes. This makes it possible to improve the life of the levers 11 and neighboring elements.
  • Shirts 114 can be made polyamide or polyacetal, optionally loaded.
  • the cross members 151 are in the lower position where it exerts on the right lever 11 a thrust force F 5 .
  • the sleepers of the second embodiment are in the upper position and do not interfere with the levers.
  • the locks 108 and 108 ' may also conform to the technical education of FR-A-2 802 218.
  • control levers 15 can be positive, for example at average of desmodromic cams, which makes it possible to envisage suppression of springs 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP03356112A 2002-07-16 2003-07-15 Rotationsschaftmaschine für Webmaschinen und Webmaschine mit einer solchen Schaftmaschine Expired - Lifetime EP1382725B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0208972A FR2842538B1 (fr) 2002-07-16 2002-07-16 Ratiere rotative pour metier a tisser, et metier a tisser equipe d'une telle ratiere
FR0208972 2002-07-16

Publications (2)

Publication Number Publication Date
EP1382725A1 true EP1382725A1 (de) 2004-01-21
EP1382725B1 EP1382725B1 (de) 2006-11-02

Family

ID=29763888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03356112A Expired - Lifetime EP1382725B1 (de) 2002-07-16 2003-07-15 Rotationsschaftmaschine für Webmaschinen und Webmaschine mit einer solchen Schaftmaschine

Country Status (9)

Country Link
US (1) US6938647B2 (de)
EP (1) EP1382725B1 (de)
JP (1) JP4405198B2 (de)
KR (1) KR101002686B1 (de)
CN (1) CN1320185C (de)
AT (1) ATE344341T1 (de)
DE (1) DE60309388T2 (de)
FR (1) FR2842538B1 (de)
TW (1) TWI299066B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1936014A1 (de) 2006-12-21 2008-06-25 STAUBLI Faverges Elektromagnetblock und elektromagnetische Auswahlvorrichtung für die Bewegung von Webschäften in Schaftmaschinen und anderen Vorrichtungen zur Bildung von Fächern
DE102007020907A1 (de) 2007-04-26 2008-11-06 Picanol N.V. Verfahren und Vorrichtung zum Anfahren einer Webvorrichtung
EP2365116A1 (de) 2010-03-12 2011-09-14 Stäubli Faverges Rotationsschaftmaschine und mit einer solchen Schaftmaschine ausgestattete Webmaschine
EP2460918A1 (de) 2010-12-06 2012-06-06 Staubli Faverges Wählvorrichtung für die Steuerung einer Schaftmaschine, Wähleinheit und mit einer solchen Wählvorrichtung gesteuerte Schaftmaschine
KR20190120721A (ko) * 2018-04-16 2019-10-24 스또블리 파베르쥬 로터리 도비 및 직기

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005010807B3 (de) * 2005-03-07 2006-04-06 Groz-Beckert Kg Schaftantrieb für Webmaschinenschäfte
US7475708B2 (en) * 2004-11-17 2009-01-13 Groz-Beckert Kg Shaft drive for heald shafts of weaving machines
US7403261B2 (en) * 2004-12-15 2008-07-22 Asml Netherlands B.V. Lithographic apparatus and device manufacturing method
FR2884527B1 (fr) * 2005-04-15 2007-07-13 Staubli Faverges Sca Mecanique d'armure a cames, methode d'assemblage d'une telle mecanique et metier a tisser comprenant une telle mecanique
DE102005059911B3 (de) * 2005-12-15 2007-02-08 Groz-Beckert Kg Schaftantrieb für eine Webmaschine
FR2899602B1 (fr) * 2006-04-11 2008-05-23 Staubli Faverges Sca Ratiere rotative, metier a tisser comprenant une telle ratiere et procede de commande d'une telle ratiere
CN102400257B (zh) * 2011-11-07 2012-11-07 常熟纺织机械厂有限公司 旋转式多臂开口机构
BE1024363B1 (nl) * 2016-07-08 2018-02-05 Picanol Nv Blokkeerinrichting en gaapvormingseenheid voor een weefmachine
CN106987959A (zh) * 2017-05-27 2017-07-28 江苏金龙科技股份有限公司 旋转多臂机的吸铁摆臂结构
JP7006086B2 (ja) * 2017-09-27 2022-01-24 ブラザー工業株式会社 画像記録装置
CN108588950A (zh) * 2018-04-03 2018-09-28 西安工程大学 一种三维间隔织机的多页综框开口机构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540524A1 (fr) * 1983-02-07 1984-08-10 Staubli Sa Ets Ratiere rotative synchronisee pour metiers a tisser
US4497346A (en) * 1980-09-12 1985-02-05 Sulzer Brothers Limited Clutch arrangement for controlling a heddle of a weaving machine
DE3614218A1 (de) * 1986-04-26 1987-10-29 Schlafhorst & Co W Verfahren und schaftsteuervorrichtung zum steuern eines schaftes
FR2757882A1 (fr) * 1996-12-31 1998-07-03 Staubli Sa Ets Ratiere rotative et metier a tisser equipe d'une telle ratiere
JP2000096379A (ja) * 1998-09-18 2000-04-04 Murata Mach Ltd ロータリードビー
FR2802218A1 (fr) * 1999-12-14 2001-06-15 Staubli Sa Ets Ratiere rotative pour metier a tisser et metier a tisser equipe d'une telle ratiere

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Publication number Priority date Publication date Assignee Title
BE793770A (fr) * 1972-01-11 1973-05-02 Saurer Ag Adolph Dispositif d'embrayage et de debrayage entre l'arbre de mecanique d'armure et l'arbre a came d'un metier a tisser
FR2515703B1 (de) 1981-11-05 1983-12-09 Staubli Sa Ets
FR2609476B1 (fr) * 1987-01-09 1990-12-07 Staubli Sa Ets Perfectionnements aux ratieres negatives du type a balances oscillantes
IT1246701B (it) * 1990-07-11 1994-11-26 Nuovopignone Ind Meccaniche Ef Dispositivo di comando perfezionato per ratiere rotative ad altissima velocita'
IT1252301B (it) * 1991-11-15 1995-06-08 Nuovo Pignone Spa Sistema di controllo automatico per ratiera rotativa elettronica
JP3320841B2 (ja) * 1992-07-10 2002-09-03 シュトイブリー・ファベルゲ 織機に使用されるカム機構
IT1260291B (it) * 1992-12-18 1996-04-03 Lucio Burigana Ratiera rotativa
JP3425983B2 (ja) * 1992-12-25 2003-07-14 株式会社山田ドビー ドビー
FR2757883B1 (fr) * 1996-12-31 1999-02-19 Staubli Sa Ets Ratiere rotative et metier a tisser equipe d'une telle ratiere
FR2772791B1 (fr) * 1997-12-24 2000-01-28 Staubli Sa Ets Actionneur rotatif electrique pour la formation de la foule sur un metier a tisser, mecanique d'armure et metier a tisser
FR2797793B1 (fr) * 1999-08-24 2001-11-09 Renault Outillage pour la fabrication d'arbres a cames par dudgeonnage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4497346A (en) * 1980-09-12 1985-02-05 Sulzer Brothers Limited Clutch arrangement for controlling a heddle of a weaving machine
FR2540524A1 (fr) * 1983-02-07 1984-08-10 Staubli Sa Ets Ratiere rotative synchronisee pour metiers a tisser
DE3614218A1 (de) * 1986-04-26 1987-10-29 Schlafhorst & Co W Verfahren und schaftsteuervorrichtung zum steuern eines schaftes
FR2757882A1 (fr) * 1996-12-31 1998-07-03 Staubli Sa Ets Ratiere rotative et metier a tisser equipe d'une telle ratiere
JP2000096379A (ja) * 1998-09-18 2000-04-04 Murata Mach Ltd ロータリードビー
FR2802218A1 (fr) * 1999-12-14 2001-06-15 Staubli Sa Ets Ratiere rotative pour metier a tisser et metier a tisser equipe d'une telle ratiere

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07 29 September 2000 (2000-09-29) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1936014A1 (de) 2006-12-21 2008-06-25 STAUBLI Faverges Elektromagnetblock und elektromagnetische Auswahlvorrichtung für die Bewegung von Webschäften in Schaftmaschinen und anderen Vorrichtungen zur Bildung von Fächern
DE102007020907A1 (de) 2007-04-26 2008-11-06 Picanol N.V. Verfahren und Vorrichtung zum Anfahren einer Webvorrichtung
DE102007020907B4 (de) 2007-04-26 2020-04-23 Picanol Verfahren und Vorrichtung zum Anfahren einer Webvorrichtung
EP2365116A1 (de) 2010-03-12 2011-09-14 Stäubli Faverges Rotationsschaftmaschine und mit einer solchen Schaftmaschine ausgestattete Webmaschine
EP2460918A1 (de) 2010-12-06 2012-06-06 Staubli Faverges Wählvorrichtung für die Steuerung einer Schaftmaschine, Wähleinheit und mit einer solchen Wählvorrichtung gesteuerte Schaftmaschine
FR2968317A1 (fr) * 2010-12-06 2012-06-08 Staubli Sa Ets Dispositif de selection pour le controle d'une ratiere, ensemble de selection et ratiere controlee par un tel dispositif de selection
KR20190120721A (ko) * 2018-04-16 2019-10-24 스또블리 파베르쥬 로터리 도비 및 직기

Also Published As

Publication number Publication date
US6938647B2 (en) 2005-09-06
CN1477250A (zh) 2004-02-25
DE60309388D1 (de) 2006-12-14
FR2842538B1 (fr) 2004-10-29
US20040011417A1 (en) 2004-01-22
KR20040007283A (ko) 2004-01-24
ATE344341T1 (de) 2006-11-15
FR2842538A1 (fr) 2004-01-23
EP1382725B1 (de) 2006-11-02
JP4405198B2 (ja) 2010-01-27
CN1320185C (zh) 2007-06-06
KR101002686B1 (ko) 2010-12-21
TW200404110A (en) 2004-03-16
TWI299066B (en) 2008-07-21
DE60309388T2 (de) 2007-09-20
JP2004036074A (ja) 2004-02-05

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