EP0933456B1 - Procédé de montage d'un élément funiculaire, dispositif de la foule et métier à tisser - Google Patents

Procédé de montage d'un élément funiculaire, dispositif de la foule et métier à tisser Download PDF

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Publication number
EP0933456B1
EP0933456B1 EP98420238A EP98420238A EP0933456B1 EP 0933456 B1 EP0933456 B1 EP 0933456B1 EP 98420238 A EP98420238 A EP 98420238A EP 98420238 A EP98420238 A EP 98420238A EP 0933456 B1 EP0933456 B1 EP 0933456B1
Authority
EP
European Patent Office
Prior art keywords
funicular
pulley
funicular element
actuator
winding
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
EP98420238A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0933456A1 (fr
Inventor
Pierre Bourgeaux
Jean Paul Froment
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
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 Staubli Faverges SCA filed Critical Staubli Faverges SCA
Publication of EP0933456A1 publication Critical patent/EP0933456A1/fr
Application granted granted Critical
Publication of EP0933456B1 publication Critical patent/EP0933456B1/fr
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
    • D03C3/00—Jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D03C3/205—Independently actuated lifting cords
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S254/00—Implements or apparatus for applying pushing or pulling force
    • Y10S254/90—Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means

Definitions

  • the invention relates to a method for mounting an element. funicular and to a crowd training device on a weaving loom for controlling the mechanical arcades of Jacquard type armor.
  • Jacquard type armor mechanics it is known to cause, in phase opposition, two frames carrying each a multiplicity of claws or horizontal knives able to move the hooks connected to the arches vertically by a pulley or muffle mechanism.
  • Devices mechanical or electromagnetic are provided to immobilize these hooks along their vertical travel. This kind of known device requires significant power for the operation of claw frames, this power being supplied by the motor shaft of the loom, which induces a oversizing of this trade.
  • the invention relates to a method of mounting of a funicular element in a training device of the crowd on a Jacquard type loom, characterized in that it consists in fixing at least one end of the funicular element on a pulley, able to receive it in winding on at least one turn and driven by the rotor of a electric rotary actuator, and to have the means to removable connection between the funicular element and the actuator.
  • the process of the invention it is possible to constitute a crowd training system by assembling successively at least one end of the funicular elements with rotors belonging to various rotary actuators electric.
  • the removable nature of the connection made thanks the method of the invention allows easy disassembly of the device, in particular for maintenance operations.
  • the fact that one end of the funicular element is fixed relative to the element driven in rotation of the actuator guarantees a good training accuracy, which is essential for effective crowd training.
  • the method consists in joining together one end of the funicular with a first member and to removably mount this first member on a second member secured to the actuator rotor. So the connection between the actuator rotor and the end of the funicular element is made by assembling these first and second organs.
  • the invention also relates to a device for implement the method described above and, more specifically, a crowd training device on a Jacquard type loom, this device comprising at less an electric rotary actuator provided for the drive at least one funicular element around an element winding, characterized in that at least one end of the funicular element is fixed on a pulley, suitable for receiving the funicular element in winding on at least one turn and driven in rotation by the actuator, and in that means of removable connection are arranged between the funicular element and the actuator.
  • the removable connection means comprise a first member provided with at least one retaining means the end of the funicular, and a second organ integral with a rotor of said actuator, said first and second members being provided to be assembled so removable.
  • the end of the funicular element can be assembled on the first organ in an assembly station provided for this purpose, while the second member is mounted on the actuator rotor during of the manufacture of this actuator.
  • the final assembly of first and second members can be produced during manufacturing of the crowd training system, possibly on the site of use of the loom.
  • This aspect of the invention makes it possible to envisage replacing the harness complete with a Jacquard type weave mechanism by dismantling the different first organs, the corresponding second organs staying in place on the actuator and receiving new ones first organs connected to funicular elements, such as arches, belonging to a new harness.
  • the second organ is provided with an elastic element for hooking the first organ.
  • This structure allows a removable fixing first and second organs.
  • the first and second members are provided with polarizing means allowing their assembly in a suitable relative position.
  • This aspect of the invention facilitates the work of an operator when installing a large number of devices in accordance with the invention, insofar as it must not systematically check the correct positioning of the first organ as far as he was able to mount it on the second organ corresponding. This guarantees precise control of the element funicular.
  • the device comprises means for fixing at least two ends of funicular element (s).
  • s funicular element
  • the ends can be made for the ends belong to a single funicular element arranged around of a deflection pulley resiliently loaded so as to exert a tension force on the funicular element, these ends being intended to be wound in opposite directions on the pulley.
  • the two ends belong to separate funicular elements linked to individual tensioning means.
  • the two ends of the funicular element have a winding zone common on the winding assembly. This aspect of the invention makes it possible to optimize the dimensioning of the assembly winding.
  • the funicular element controls, by a first strand, the position of the chain wires while its second strand crosses a layer of chain son between the winding pulley and the return pulley.
  • the ends of funicular element (s) each control the position of an eyelet for passing a chain thread.
  • the pulley is provided with a helical groove for guiding the element funicular during winding.
  • the invention also relates to a weaving loom equipped a crowd training device as previously described. This job is simpler to implement and maintain that the devices of the prior art and allows a wire-to-wire control of a Jacquard loom harness with a significantly improved performance compared to technique known.
  • the distribution of the orientation of the removable connection means with respect to the polarities of the magnetic elements of the actuators is irregular or regularly shifted.
  • the electric rotary actuator 1, shown in the figure 1, is intended to ensure the winding, on a pulley 2, of a yoke 3 connected to one or more mechanical chain wires of Jacquard type armor.
  • Pulley 2 can receive yoke 3 wound on at least one turn because it has a peripheral winding surface continues 360 °. It can also receive the arch 3 on a fraction of a turn.
  • the winding of the arch on the pulley 2 can be helical or spiral.
  • the actuator 1 is a two-phase actuator. It comprises two stator elements 4 and 5, generally aligned and able to cooperate with a rotor 6 formed from a tube 7, preferably made of non-magnetic material such as, for example, brass.
  • the tube 7, which extends along an axis XX ′, contains two permanent magnets 8, 9, arranged opposite the two elements 4 and 5.
  • These elements 4 and 5 comprise windings 4 a and 5 a electrically conductive wire, such as copper wire, wound around stacks 4 b and 5 b of magnetically conductive sheets.
  • the shape of the stacks 4 b and 5 b is such that they form a circular housing 10 for receiving the tube 7.
  • the size of the housing 10 defines the air gap of the stator elements 4 and 5 relative to the rotor 6.
  • the tube 7 receives a generally cylindrical hub 20, which comprises an axial part 20 has force fitted inside the tube 7.
  • the hub 20 is intended to removably receive a roller 21 formed by a cylindrical winding part 21 a and an end part or flange 21 b .
  • the hub 20 is also provided with a portion 20b forming a flange, so that when the roller 21 is in place on the hub 20 as shown in FIG. 3, these parts form the pulley 2 bordered by the two flanges 20 b and 21 b .
  • the hub 20 is provided with an elastic hook 20 c able to penetrate into a hollowed-out central part 21 c of the roller 21.
  • the hub 20 also carries a ramp 20 d intended to cooperate with a groove 21 d formed in the wall of the part 21 c of the roller 21, so that it can be mounted on the hub 20 in a single position.
  • the ramp 20 d also participates in the rotational drive of the roller 21 by playing the role of a key.
  • the arch 3 is mounted on the roller 21 forming at its end 3 has a node 3 b.
  • a housing 21 e is provided in the roller 21 to receive the end 3 a of the arch 3, the housing 21 e having an outlet 21 f of larger diameter making it possible to accommodate the node 3 b .
  • the arch 3 crosses the hollow central part 21 c of the roller 21 and passes through a slot 20 e , formed between the hook 2 C c and the main part of the hub 20 in order to give the hook 20 c the elasticity necessary for its function.
  • the arch 3 is thus firmly held in position while the roller 21 is easily placed on the hub 20, by a simple pressure in the direction of the shaft 7.
  • the actuator 1 visible in Figure 1 can advantageously be installed in a battery, as appears in Figure 4, that is to say by having a large number of actuators side by side inside a structure 40 defining compartments or boxes 40 a for receiving the actuators.
  • the actuators are inserted into the compartments 40 a in a direction F 1 and can be extracted therefrom by means of a pierced tab 41 provided on the front face.
  • a tube 57 belonging to the rotor of an electric rotary actuator receives, at its end, a hub 70 of which an axial part 70 a is provided to be glued inside the tube 57.
  • a flange 71 is provided to be attached to the hub 70 so as to form a winding pulley 52 of the upper end 53 a of an arch 53.
  • the end 53 a of the arch 53 is received in a housing 71 e of the flange 71 and glued therein.
  • the lower end 53 b of the yoke 53 is connected to two smooth 81 and 81 'respectively equipped with an eyelet 81 a or 81' a passage of a warp yarn.
  • the heddles 81 and 81 ′ pass through a wire guide 82 located near the actuator and a grading board 83.
  • the external radial surface 70 b of the hub 70 constitutes the winding surface of the pulley 52 and is provided with a helical groove 70 c for guiding the yoke 53 during winding, over a fraction of a turn or over several turns, as needed.
  • the flange 71 comprises an axial part 71 a intended to penetrate into a housing 70 d of the hub 70 for a removable assembly of the flange 71 on the hub 70.
  • the housing 70 d comprises ribs or notches of shape complementary to that ribs or recesses provided on the outer surface of the portion 71a, so as to ensure the rotational drive of the flange 71 by the hub 70.
  • a key device may also be considered.
  • means are provided for angular indexing, training in rotation and the axial maintenance of the pulley 52.
  • the essential elements of the pulley 52, and in particular the winding surface 70 b are constituted by the hub 70 while the part secured to the end 53 a of the yoke 53 is reduced to the single flange 71.
  • a stud can be formed on the roller 21 or the flange 71, the end 3 a or 53 a of the arch then forming a loop provided for be arranged around this nipple.
  • Other retaining means can also be formed on the roller 21 or the flanges 71 to cooperate with the end of the yoke.
  • the actuator includes a hub attached by any suitable means to the rotor an actuator, while the upper end of the yoke or another funicular is simply tied on it hub which includes, for example, a hole for receiving this end.
  • the upper end of the funicular element can be removably attached to a element rotated by the electric rotary actuator.
  • the elements similar to those of the embodiment of FIGS. 1 to 4 bear identical references increased by 100.
  • the two ends 103 a and 103 b of a cable 103 forming a smooth and provided with an eyelet 103 c for passing a chain wire 132, are made integral with a hub 120 forming a pulley 102 and fixed on a tube 107 belonging to the rotor an electric rotary actuator.
  • the hub 120 comprises a flange 120 a defining two zones 120 b and 120 c for winding the ends 103 a and 103 b of the cable 103.
  • a grinding board 122 is provided for guiding the cable 103 below the hub 120 and comprises two orifices 122 a and 122 b for passage of the cable 103.
  • the cable 103 also passes around a mad pulley 123 held, with respect to a fixed frame 124, by a return spring 125 exerting on the pulley 123 a vertical force F 3 directed downwards, so that the pulley exerts on the cable 103 a tension force.
  • the ends 103 a and 103 b of the cable 103 are wound on the hub 120 in two different directions, so that the winding of one of these ends corresponds to the unwinding of the other end and vice versa.
  • the hub rotation movement 120 around the axis XX ' induces a vertical oscillating movement as represented by the arrow F 4 of the eyelet 103 c .
  • the cable 103 carries, on each strand, an eyelet for the passage of a chain, on either side of the pulley 123.
  • the movements of the eyelets are in phase opposition.
  • the hub 220 is bordered by two flanges 220 a , 220 b at the level of which the ends 203 a and 203 b are fixed, which are wound on a central zone 220 c of the hub 220.
  • the strands 203 c and 203 d of the assembly 203 are separated by a distance d corresponding substantially to the spacing of the orifices 222 a and 222 b of a grouting board 222.
  • These orifices guide the strands 203 c and 203 d above a chain wire 232 passing through an eyelet 231 a of the stringer 231.
  • the eyelet 231 a can take the two positions represented respectively by the positions in solid lines and in mixed lines of chain wire 232.
  • a mad pulley 223 is intended to be surrounded by the lower part of the yoke 230 while being connected to the frame of the machine 224 by a spring 225.
  • the spring 225 exerts on the pulley 223 a force F 5 of tension of the arch 230.
  • the rotation of the hub 220 around the axis XX 'of the tube 207 induces the unwinding of one of the ends of the assembly 203 and the corresponding winding of the other end.
  • the distance d is kept generally constant during the rotational movements of the hub 220.
  • the surface 220 c of the hub 220 is a zone of common winding of the ends 203 a and 203 b , it being understood that 'a distance d is permanently maintained between these ends. This makes it possible to provide the hub 220 approximately twice as short as the hub 120 of FIG. 6 and to prevent the yoke 203 from being deflected excessively at the level of the orifices 222 a and 222 b .
  • the cable of this fifth embodiment could also wear two eyelets which would be used to order two separate warp threads, as in the realization of figure 7.
  • the funicular element 103 or 203 runs on a single deflection pulley 123 or 223, which is particularly simple from a structural point of view and induces low inertia.
  • the funicular element 103 or 203 controls, by the eyelet 103 c or 231 a that it carries, on a first strand, the position of the chain wires 132 or 232, while its second strand also crosses the web of son chain.
  • the funicular element can be produced by a metallic wire, preferably cylindrical, thin and smooth.
  • helical grooves can be provided on the zones 120 b . 120 c and 220 c of the hubs 120 and 220.
  • the fixing of the ends of the funicular element on the hubs guarantees precise guidance of these elements, in particular when it is a Jacquard loom arcade.
  • the removable nature of this attachment obtained, for example, by systems similar to those of the previous embodiments, gives the assembly a good ability to dismantle.
  • the pulleys 102 and 202 could, in particular, be made in two parts equivalent to the members 20 and 21 or 70 and 71.
  • the two ends of the funicular element (s) have been shown as winding in opposite directions, which makes it possible to obtain opposite movements of connected eyelets at these ends.
  • FIG. 7 it is however possible to wind two or more of two ends of funicular elements in the same direction on a pulley, which makes it possible to control several eyelets in phase, as in the mode of embodiment of Figure 5, without using a connector of the type shown at the lower end 53 b of the yoke 53.
  • a loom which generally includes a large number of funicular elements
  • we assemble funicular elements on the pulleys so that the orientation of the removable connection means with respect to polarities of the magnetic elements of the different actuators, such as rotor magnets or stator elements, a irregular distribution. It is also possible to provide an orientation regularly shifted by one step relatively weak, of the order of 3 to 15 °. In both cases, this avoids mechanical or magnetic resonance of the device.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
EP98420238A 1997-12-24 1998-12-17 Procédé de montage d'un élément funiculaire, dispositif de la foule et métier à tisser Expired - Lifetime EP0933456B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9716739A FR2772796B1 (fr) 1997-12-24 1997-12-24 Procede de montage d'un element funiculaire, dispositif de formation de la foule et metier a tisser
FR9716739 1997-12-24

Publications (2)

Publication Number Publication Date
EP0933456A1 EP0933456A1 (fr) 1999-08-04
EP0933456B1 true EP0933456B1 (fr) 2001-07-25

Family

ID=9515330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98420238A Expired - Lifetime EP0933456B1 (fr) 1997-12-24 1998-12-17 Procédé de montage d'un élément funiculaire, dispositif de la foule et métier à tisser

Country Status (12)

Country Link
US (1) US6092564A (zh)
EP (1) EP0933456B1 (zh)
JP (1) JP4230033B2 (zh)
KR (1) KR100571877B1 (zh)
CN (1) CN1083906C (zh)
BR (1) BR9805699A (zh)
DE (1) DE69801208T2 (zh)
ES (1) ES2159171T3 (zh)
FR (1) FR2772796B1 (zh)
PT (1) PT933456E (zh)
TR (1) TR199802688A1 (zh)
TW (1) TW451005B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2520698A1 (de) 2011-12-22 2012-11-07 NV Michel van de Wiele Fachbildungsvorrichtung für eine Webmaschine
DE202011110427U1 (de) 2011-12-22 2014-01-16 N.V. Michel Van De Wiele Fachbildungsvorrichtung für eine Webmaschine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794140B1 (fr) 1999-05-31 2001-07-13 Staubli Sa Ets Mecanique d'armure de type jacquard et metier a tisser equipe d'une telle mecanique
FR2808812B1 (fr) 2000-05-15 2002-07-19 Staubli Sa Ets Procede et dispositif de detection d'anomalie dans la foule d'un metier jacquard
FR2826671B1 (fr) * 2001-06-29 2003-09-12 Staubli Lyon Dispositif de formation de la foule sur un metier a tisser de type jacquard
FR2856704B1 (fr) * 2003-06-25 2005-12-09 Staubli Sa Ets Actionneur rotatif electrique, mecanique d'armure pour la formation de la foule equipee d'un tel actionneur et metier a tisser equipe d'une telle mecanique
FR2908426B1 (fr) 2006-11-15 2009-05-29 Schonherr Textilmaschb Gmbh Dispositif d'insertion de trame,metier a tisser pour tapis equipe d'un tel dispositif et procede de traitement d'un defaut d'insertion de trame dans un tel metier
FR2990958B1 (fr) * 2012-05-24 2014-06-13 Staubli Sa Ets Dispositif de formation de la foule et metier a tisser equipe d'un tel dispositif
CN104120533B (zh) * 2013-04-25 2015-11-25 涟水天宫云锦织造有限公司 云锦二次提花专用提拉装置
BE1021951B1 (nl) * 2014-07-18 2016-01-28 Michel Van De Wiele Nv Gaapvormingsinrichting voor een weefmachine
CN106245181B (zh) * 2016-04-14 2018-01-19 浙江慧林智能设备有限公司 立式电子提花机

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Publication number Priority date Publication date Assignee Title
US1678544A (en) * 1927-09-29 1928-07-24 William T Whitaker Harness strap
US1910222A (en) * 1931-07-30 1933-05-23 Richard J Kunath Harness motion for looms
US3867966A (en) * 1971-10-16 1975-02-25 Sulzer Ag Electro-mechanical device for forming a shed in a weaving machine
MC1319A1 (fr) * 1980-02-18 1981-03-10 T Arvai Systeme de commande de levee de fils de chaine d'un metier a tisser
FR2491961A1 (fr) * 1980-10-15 1982-04-16 Verdol Sa Mecanique d'armure a commande par poulies
GB8723850D0 (en) * 1987-10-10 1987-11-11 Eltex Of Sweden Ltd Warp thread control
GB8817765D0 (en) * 1988-07-26 1988-09-01 Palmer R L Loom control
US5069256A (en) * 1989-12-08 1991-12-03 Goodman Jr Robert M Loom harness system with spaced parallel rotating shafts
FR2724948B1 (fr) * 1994-09-27 1996-12-27 Staubli Sa Ets Mecanisme jacquard du type a courroies
US5577666A (en) * 1995-08-15 1996-11-26 Siemens Automotive Corporation Air assist atomizer for a split stream fuel injector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2520698A1 (de) 2011-12-22 2012-11-07 NV Michel van de Wiele Fachbildungsvorrichtung für eine Webmaschine
DE202011110427U1 (de) 2011-12-22 2014-01-16 N.V. Michel Van De Wiele Fachbildungsvorrichtung für eine Webmaschine

Also Published As

Publication number Publication date
FR2772796B1 (fr) 2000-01-28
TW451005B (en) 2001-08-21
EP0933456A1 (fr) 1999-08-04
CN1083906C (zh) 2002-05-01
DE69801208D1 (de) 2001-08-30
CN1221821A (zh) 1999-07-07
PT933456E (pt) 2002-01-30
KR100571877B1 (ko) 2006-11-30
KR19990063264A (ko) 1999-07-26
JP4230033B2 (ja) 2009-02-25
FR2772796A1 (fr) 1999-06-25
JPH11241246A (ja) 1999-09-07
BR9805699A (pt) 2000-01-11
US6092564A (en) 2000-07-25
TR199802688A1 (xx) 1999-07-21
DE69801208T2 (de) 2002-05-02
ES2159171T3 (es) 2001-09-16

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