EP0647283A1 - Mecanique d'armures pour une machine a tisser - Google Patents

Mecanique d'armures pour une machine a tisser

Info

Publication number
EP0647283A1
EP0647283A1 EP94905642A EP94905642A EP0647283A1 EP 0647283 A1 EP0647283 A1 EP 0647283A1 EP 94905642 A EP94905642 A EP 94905642A EP 94905642 A EP94905642 A EP 94905642A EP 0647283 A1 EP0647283 A1 EP 0647283A1
Authority
EP
European Patent Office
Prior art keywords
lever
knife
articulated
frame
bank
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
EP94905642A
Other languages
German (de)
English (en)
Other versions
EP0647283B1 (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 EP0647283A1 publication Critical patent/EP0647283A1/fr
Application granted granted Critical
Publication of EP0647283B1 publication Critical patent/EP0647283B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D03C3/36—Griffe operating mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/06—Double-lift jacquards

Definitions

  • the present invention relates to a subject forming device according to the preamble of claim 1
  • a jacquard machine with such a shedding device is known from DE Patent No. 37 21 932.
  • a two-part lever arrangement is provided, one lever being connected to a drive device and the other lever being connected to a knife bank.
  • the drive device contains an eccentric on which guide rollers run, which are arranged in a carrier.
  • a shaft is attached to the carrier, which carries out an oscillating pivoting movement and to which the lever is attached.
  • the knife bank is guided in a straight line in the middle by means of sliding guides to prevent the knife edge from swiveling. This sliding guide influences the functional reliability and the speed of the weaving machine in a very disadvantageous way.
  • the invention has for its object to provide a shedding device which, regardless of the length of the knife bank and the length of the lifting movements, without sliding guides for the same, guarantees a precise, wear-free movement sequence at high speeds. This object is achieved according to the invention with the characterizing features of claim 1.
  • the device has a small number of drive elements for the movement of the knife bank, ie is low in mass, - The displacement of the knife bank occurring during the up and down movement of the knife bank is compensated even with a long stroke, and
  • the device does not require sliding guides for the knife bank, which ensures a wear-free movement and safe operating behavior for high speeds with minimal lubrication and low noise and heat development.
  • the lever of the lever arrangement is articulated to the knife bank and the Handlebar is hinged on the one hand to the stable frame and on the other hand connected to the pivotable lever.
  • the dimensions of the device can be advantageously reduced.
  • crank mechanism is assigned in pairs to a pair of knife banks and is arranged on both ends of each pair of knife banks on a shaft, such that each pair of knife banks can be moved up and down synchronously at the ends and if the crank mechanism has a connecting rod with a drive crank. This arrangement advantageously achieves a precise movement sequence.
  • the lever or the lever arrangement can be connected to the connecting rod via an actuating device in order to adjust the pivoting angle in such a way that the lifting heights of the ends of each pair of knife banks are either the same in order to form a parallel compartment or are unequally adjustable in order to form an inclined compartment.
  • the advantage of this arrangement can be seen in the fact that a clear specialist position is achieved with simple handling.
  • a holder for the lifting blade is provided, which is fixedly connected to the lifting knife and articulated to the knife bank and if the lifting knife is at least at the ends in a guide arrangement is guided, which is fixed in the frame.
  • a drive wheel can be attached to each shaft, which are drive-connected via a kinematic element in order to drive the crank mechanism synchronously.
  • the advantage of this arrangement is a precise movement sequence with the least expenditure on equipment.
  • I shows a side view of an embodiment of an inclined compartment forming device according to the invention
  • FIG. 2 shows a plan view of the shedding device shown in FIG. 1,
  • FIG. 3 and 4 a side view of the device according to FIG. 1, which shows a knife bank in the high position and in the low position,
  • FIG. 6 shows an embodiment of a lifting knife arrangement of the shedding device
  • FIG. 7 shows a side view of a further embodiment an inclined compartment forming device according to the invention.
  • the shedding device contains a frame 1, which has two frame plates 2, 3, which are arranged at a distance and parallel to one another, and two axes 4, 5, which are connected to the plates in a rotationally fixed manner.
  • the frame In the frame are two pairs of knife banks 6, 7, which can be moved up and down in opposite directions between a high and low position and are each articulated with lifting knives 8 in order to move the latter up and down.
  • two shafts 10 In the frame 1, two shafts 10 are rotatably supported, which protrude beyond the frame plates 2, 3.
  • a drive wheel 11 is attached to each shaft 10, which are connected to one another by a toothed belt 12.
  • a second drive wheel 13 is fastened on one of the shafts 10 and is connected to a main drive (not shown) via a further toothed belt 14.
  • Each pair of knife banks is assigned four crank mechanisms 15, each of which has a drive crank 16 and a connecting rod 17 connected to it.
  • the crank mechanisms are assigned in pairs to a pair of knife banks 6, 7 and are arranged on both ends of each pair of knife banks on the shaft 10, so that each pair of knife banks is moved up and down synchronously at their ends.
  • the crank mechanism 15 contains a drive crank 16 and a connecting rod 17.
  • the running surfaces of the drive crank 16 for one pair of knives are arranged offset by 180 degrees with respect to the running surfaces of the drive crank for the other pair of knives in order to achieve the opposite upward and downward movement.
  • Each knife bank 6, 7 is connected at one end to a lever 18 and at the other end to a lever arrangement 19 and also to the connecting rod 17 of the crank mechanism.
  • the connecting rod 17 and the lever 18 or the lever arrangement 19 are rotatably connected by an adjusting screw 20 which passes through an elongated hole 21 and is adjustable therein by the pivoting angle of each lever or each lever arrangement and thus the lifting height for each pair of knife banks 6,7 adjust.
  • the lifting height at each end of the pair of knife banks can either be set the same to form a parallel compartment or unequal to form a sloping compartment.
  • the lever 18 consists of two parallel webs 22 and two bushings 23 which determine the pivot axis of the lever 18.
  • the lever 18 is articulated on the one hand on the stable axis 4 and on the other hand on the movable knife bank.
  • the lever arrangement 19 contains a lever 24 of the same design with two webs 22 and two Bushings 23 and a handlebar 27.
  • the lever 24 is articulated on the one hand on the movable knife bank and on the other hand on the pivotable handlebar 27.
  • the link 27 is articulated to the positionally stable axis 5. The movement shift occurring is absorbed by the handlebar 27.
  • the maximum pivoting of the handlebars is shown with dashed lines.
  • the same knife bench pair 7 is shown in FIGS. 3 and 4, namely in the high position (FIG. 3) and in the lower position (FIG. 4).
  • the distance between the pivot axes of the lever 18 or the lever 24 is of different lengths and is designed such that a parallel compartment or an inclined compartment can be formed.
  • the links 27 are each provided with a liner 40 and are spaced apart from one another on the fixed shaft 5 by a spacer sleeve 41 and secured against displacement by disks 42. Between the bushing 23 and the link 27, a bearing sleeve 43 is provided, which keeps the webs 22 at a distance.
  • the bushing 23 has at one end a flange 44 and an internal thread into which a screw 45 is screwed.
  • the webs 22 are fastened on the bushing 23 by this screw 45.
  • a number of lifting knives 8 are assigned to each pair of knife banks 6, 7. As FIGS. 2 and 6 show, the individual lifting knives are connected to the knife bank by means of holders 30. The lifting knife 8 is firmly connected to the holder 30 and the holder is articulated on the knife bank. Each lifting knife 8 is guided in a guide arrangement 31, so that the lifting knife 8 executes a straight up and down movement. This prevents deflection of the circuit boards (not shown) that can be detected by the lifting knife 8.
  • the guide arrangement 31 consists of a plate 32 which are fastened to the outer sides of the frame plates 2, 3. Slits 33 are formed in the plate 32, through which the lifting knife 8 extends and is guided during the up and down movement.
  • the embodiment shown in FIG. 7 differs from the shed forming device described above essentially in the lever arrangement.
  • the lever arrangement 35 contains a lever 36 and a link 37.
  • the lever 36 consists of two parallel webs which are connected at the ends by means of bushings 40, 41 which determine the pivot axis of the lever 36.
  • the lever 36 is articulated on the positionally stable axis 5, while the link 37 on the one hand to the pivotable lever 36 and on the other hand to the movable one Knife bench is articulated

Landscapes

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

Abstract

Dans un châssis (1) sont disposées deux paires de porte-lames (6, 7) équipés de lames relevables (8) qui exécutent des mouvements montants et descendants en sens opposés. Chaque porte-lames d'une paire est relié à un mécanisme à manivelle (15) d'une part par un levier (18) qui est fixé sur le châssis et qui s'articule sur le porte-lames et d'autre part par un dispositif à levier (19), de telle manière que les paires de porte-lames (6, 7) effectuent des mouvements montants et descendants synchrones. Le dispositif à levier (19) comporte un levier (24) et une bielle (27), et le levier (24) est relié au châssis ou au porte-lames par l'intermédiaire de la bielle. Cette configuration permet d'obtenir un dispositif sans système de guidage à glissement pour le porte-lames, et assure un fonctionnement sûr à grande vitesse.
EP94905642A 1993-04-26 1994-02-11 Mecanique d'armures pour une machine a tisser Expired - Lifetime EP0647283B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1257/93 1993-04-26
CH125793 1993-04-26
PCT/CH1994/000028 WO1994025654A1 (fr) 1993-04-26 1994-02-11 Mecanique d'armures pour une machine a tisser

Publications (2)

Publication Number Publication Date
EP0647283A1 true EP0647283A1 (fr) 1995-04-12
EP0647283B1 EP0647283B1 (fr) 1998-11-04

Family

ID=4206158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94905642A Expired - Lifetime EP0647283B1 (fr) 1993-04-26 1994-02-11 Mecanique d'armures pour une machine a tisser

Country Status (7)

Country Link
US (1) US5513676A (fr)
EP (1) EP0647283B1 (fr)
JP (1) JP3586466B2 (fr)
CN (1) CN1040674C (fr)
DE (2) DE9307391U1 (fr)
ES (1) ES2125434T3 (fr)
WO (1) WO1994025654A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08302536A (ja) * 1995-05-08 1996-11-19 Kayaba Ind Co Ltd 経糸選択装置
FR2736939B1 (fr) * 1995-07-18 1997-09-05 Staubli Sa Ets Mecanique jacquard a actionnement par arbres coaxiaux
FR2757544B1 (fr) * 1996-12-19 1999-03-05 Staubli Lyon Dispositif de formation de la foule, procede de montage et metier a tisser de type jacquard equipe d'un tel dispositif
GB9715480D0 (en) * 1997-07-23 1997-10-01 Bonas Machine Co Drive mechanism for a griffe frame
BE1013564A3 (nl) * 2000-06-16 2002-04-02 Wiele Michel Van De Nv Inrichting voor de rechtgeleiding van de messendraagbalken in een jacquardmachine.
RU2299935C2 (ru) * 2002-05-10 2007-05-27 Текстильма АГ Бесшнуровое устройство управления нитями
FR2854642B1 (fr) * 2003-05-06 2005-07-08 Staubli Lyon Dispositif de formation de la foule et metier a tisser du type jacquard equipe d'un tel dispositif
JP4617314B2 (ja) * 2003-11-28 2011-01-26 テクスティルマ・アクチェンゲゼルシャフト 繊維機械用の糸制御装置
BE1016559A4 (nl) * 2005-03-21 2007-01-09 Wiele Michel Van De Nv Jacquardinrichting.
CN101423995B (zh) * 2008-12-18 2012-10-03 宁波川一纺织设备有限公司 一种曲柄复动式高速电子提花机
CN102080287B (zh) * 2011-01-31 2012-08-22 宁波川一纺织设备有限公司 一种高速助力平衡电子提花机
CN102505244A (zh) * 2011-10-28 2012-06-20 吴江市金迪喷织厂 纺织机刀杆连接装置
CN103255529A (zh) * 2013-05-16 2013-08-21 湖州厉华妤婕联合纺织有限公司 一种提花机提刀传动机构用连杆
CN103243444A (zh) * 2013-05-16 2013-08-14 湖州厉华妤婕联合纺织有限公司 一种提花机的传动轴的连接装置
CN103290588B (zh) * 2013-06-05 2014-09-24 傅加龙 电脑提花机及其传动机构
CN105113085B (zh) * 2015-09-22 2017-02-01 吴江万工机电设备有限公司 一种应用在提花机提综机构的板状连杆
CN105420896B (zh) * 2015-12-04 2017-07-11 郭家成 大针数提花开口的传动机构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH111971A (de) * 1924-11-11 1925-12-16 Rueti Ag Maschf Doppelhub-Jacquardmaschine.
DE899929C (de) * 1951-12-08 1953-12-17 Pieron Handelsgesellschaft Schraegfach-Jacquardmaschine
CH433133A (de) * 1961-09-30 1967-03-31 Metallgesellschaft Ag Verfahren zur Entfernung von Phosphaten aus Abwässern
FR1331682A (fr) * 1962-07-16 1963-07-05 Webstuhlbau Karl Marx Stadt Mécanique jacquard à double lève à foule ouverte
CH402759A (it) * 1962-12-15 1965-11-15 Brevitex Ets Exploit Ratiera adatta specialmente per telai veloci
GB986770A (en) * 1963-01-26 1965-03-24 Samuel Dracup & Sons Ltd Improvements in or relating to jacquard mechanisms
GB2047755B (en) * 1979-04-24 1983-03-30 Bonas Machine Co Loom heald control means
DE3037089A1 (de) * 1980-10-01 1982-05-06 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von methylformiat
DE3721932A1 (de) * 1987-07-02 1989-01-19 Grosse Webereimaschinen Gmbh Doppelhub-offenfach-jacquardmaschine
BE1004308A3 (nl) * 1989-07-17 1992-10-27 Wiele Michel Van De Nv Aandrijfsysteem voor de messenroosters van een dubbel-hef-opengaap jacquardmachine, en dergelijke jacquardmachines van een dergelijk aandrijfsysteem voorzien.
DE4027575C1 (en) * 1990-08-31 1992-02-06 Wolfgang 5600 Wuppertal De Herold Skew shed for loom - has lifting knives to carry sinkers for controlling needles, permitting high working speed
FR2669650B1 (fr) * 1990-11-27 1994-04-29 Staubli Verdol Mecanisme de commande des cadres d'un dispositif de formation de la foule.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9425654A1 *

Also Published As

Publication number Publication date
JPH07508321A (ja) 1995-09-14
CN1108033A (zh) 1995-09-06
JP3586466B2 (ja) 2004-11-10
CN1040674C (zh) 1998-11-11
EP0647283B1 (fr) 1998-11-04
ES2125434T3 (es) 1999-03-01
US5513676A (en) 1996-05-07
DE9307391U1 (de) 1993-09-30
DE59407224D1 (de) 1998-12-10
WO1994025654A1 (fr) 1994-11-10

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