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EP2126172B1 - Dispositif de commande du mouvement transversal de fils de chaîne d'un métier à tisser le textile - Google Patents

Dispositif de commande du mouvement transversal de fils de chaîne d'un métier à tisser le textile Download PDF

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Publication number
EP2126172B1
EP2126172B1 EP07816242A EP07816242A EP2126172B1 EP 2126172 B1 EP2126172 B1 EP 2126172B1 EP 07816242 A EP07816242 A EP 07816242A EP 07816242 A EP07816242 A EP 07816242A EP 2126172 B1 EP2126172 B1 EP 2126172B1
Authority
EP
European Patent Office
Prior art keywords
driving parts
spring
drive
electric motor
movement
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.)
Not-in-force
Application number
EP07816242A
Other languages
German (de)
English (en)
Other versions
EP2126172A1 (fr
Inventor
Silvan Borer
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 EP2126172A1 publication Critical patent/EP2126172A1/fr
Application granted granted Critical
Publication of EP2126172B1 publication Critical patent/EP2126172B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated 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

Definitions

  • the invention relates to a device for controlling the transverse movement of the warp threads of a textile loom, in particular a textile loom with Einzellitzenterrorism, according to the preamble of claim 1.
  • Electromotive drives for the shedding of weaving machines which have a coil and a flat permanent magnet, with a rotational movement for the Training is proposed.
  • a leverage translation
  • the object of the invention is to improve a device for controlling the transverse movement of the warp threads of a textile loom, in particular a particular textile weaving machine with Einzellitzenterrorism.
  • the object is achieved by a device according to claim 1.
  • the measures of the invention initially have a very small footprint at high weaving speed result.
  • the lever-like reinforcement also makes it possible for the drive path of these motors to be kept small.
  • An embodiment with pull and push rods as power transmission elements for driving the drive elements which may be conventional strands, but in particular cases also guide eyelets, which are attached directly to the pull and push rods offers - according to claim 3 - a simple embodiment of Invention.
  • An advantageous embodiment is proposed with a drive of the strands by cables as power transmission elements, which are connected to the electric motors, wherein the fan or register-like arrangement by means of pulleys (according to claim 4), or in a further advantageous embodiment by means of reversing levers with Hubübera according to claim 5 is enabled.
  • the pulleys or levers steer the ropes preferably by 60 ° to 120 °, most preferably by 75 ° to 105 °, in order to create as much space for the register-like fanning (claim 6). If two springs are used, one of the springs, for example, can be arranged on the side of the strands opposite the deflection rollers or levers and designed as conventional tension springs.
  • the kinetic energy of the strands can be provided mainly by springs.
  • the springs are arranged so that they provide a large potential energy as a force at a first end position and at a second end position, which drives the strands in the direction of the other end position. In one position, the spring force disappears in a solution with a compression spring. In a solution with a compression and a tension spring or a solution with two opposite tension springs, the potential energies of the two springs cancel each other.
  • the strands have a maximum speed in a position which is advantageously the middle position. The strands are then moved further into the respective other end position, wherein the springs are then able to absorb the kinetic energy of the strands in the form of potential energy.
  • holding means are provided for the first end position and for the second end position, which stop the movement and hold the respective strand in the assumed end position.
  • an optional switchable, electric motor is additionally provided. He overcomes together with the spring force, the holding force of the holding means and can thus free the strand from its holding position. Basically, the motor is therefore intended to release the holding means and initiate the movement process. Furthermore, the motor is used to compensate for energy losses and adapt the device to changing operating conditions. The control of the device is done by the control of the motor.
  • the holding means are formed uncontrolled as permanent magnets, which cooperate with Magnetallehaltern, being used as a magnetic counter-holder, the ends of the transmission lever (claim 10 and 11).
  • no force is exerted on the strands in a third shed position between the high shed and the low shed position (claim 12). In a symmetrical arrangement, this will be a middle shed position (claim 13).
  • the invention is not limited to a textile loom with Einzellitzenterrorism. Rather, the invention can also be applied to a weaving machine, in which strands - e.g. through shafts etc. - are summarized.
  • FIGS. 1 and 2 A first embodiment for carrying out the present invention is shown in FIGS FIGS. 1 and 2 shown.
  • the FIG. 1 shows a device for driving the trained as entrainment parts of the warp threads 2 strands 4 a textile loom with Einzellitzenterrorism in side view.
  • the warp threads 2 are moved by means of the thread eyes 3 having strands 4 so that they are - as shown in the exemplary embodiment - either in a high-skilled position or in a lower shed position.
  • the strands 4 are arranged by means of couplings 36 on push and pull rods 30, each having a - to the neighboring rod - different lengths.
  • the drive elements for the strands 4 can be arranged in a graduated or register manner.
  • the graduated or register-like arrangement is provided here in a double manner such that the left half of the strands 4 is assigned to a left register of electric motors 32 and their associated elements, while the right half of the strands 4 a right register of electric motors 32 - quasi in mirror-symmetrical arrangement - and associated with these associated elements.
  • the ends of the push and pull rods 30 are each attached to a knuckle 28, which is operatively connected to a designed as a swing motor electric motor 32.
  • Each electric motor 32 has a coil 6 which is fastened to a coil carrier 20 pivotable about an axis 19.
  • the bobbin is in turn arranged between two base plates 18.
  • Each electric motor 32 further includes a permanent magnet plate 16.
  • the coils therefore assume one of two end positions, which are entered in the drawing are. These two positions correspond to the two positions "Hochfach” or Tieffach "the strands 4 and thus the shedding of the warp threads. 2
  • Diagram 3 shows the force relationships of the elements described above.
  • the spring force diagram 100 shows that the spring force of the tension and compression spring 8 around the central position in which it disappears is symmetrical and linear around.
  • the largest proportion of energy is applied by the spring drive of the tension and compression spring 8.
  • the movement is initiated by the electric motor 32.
  • the electric motor 32 is not in operation, the corresponding strand 4 by the upper or by the lower stop magnet 26 in the upper or in the lower end position - which correspond to the Hochfach ein or the lower shed position of the warp threads of a shed - held.
  • stop magnets designed as permanent magnets 26 have a greater holding force 102 than the restoring force of the tension and compression spring 8 in the deflection at the end positions. It should be pointed out that the holding force of the stop magnets 26 is short-range and therefore only relevant at all in the vicinity of the lever 28 and thus only in or near the respective end position.
  • the corresponding coils 6 are supplied with voltage and so the electric motor 32 is put into operation.
  • the sum of the effective forces 104 of the electric motor and the spring force 100 of the tension and compression spring 8 in the deflected Condition, ie in one of the end positions, is greater than the holding force 102 of the corresponding stop magnets 26.
  • the holding force of the stop magnets 26 is overcome, the movement of the wire via the corresponding push and pull rod 30 is mainly caused by the spring force of the tension and compression spring 8, the electric motor 32 moves with this movement, without contributing significantly.
  • the other end position e.g. the lever 28 reaches the effective range of the lower stop magnet 26, then the new end position is reached and the tension and compression spring 8 remains deflected because the force of the permanent magnet 26 in this position is greater than the restoring force of the tension and compression spring 8 and Electric motor 32 latter not supported.
  • the tension and compression spring 8 is operated in the linear range, so that the spring force diagram 100 can be represented with a straight line.
  • the spring force is only insignificantly supported by the warp thread 106 so that the warp thread 106 does not matter here.
  • the striking magnet diagram 102 clearly shows the short range of the magnetic forces, which only act when the levers 28 are in close proximity to the stop magnets 26 and an end position is taken.
  • the coil force diagram 104 of the electric motor 32 has a constant force in the operating mode described here, which can point in one direction or the other depending on the polarity.
  • the electric motor 32 is designed so that in addition to the upper position and the lower position, a middle position of the strand 4 are taken and the strand 4 can be moved from this middle position to the upper position or to the lower position.
  • This mode of operation has the purpose that a rest position can be taken in which the tension and compression spring 8 exerts no force on the push and pull rod 30 and the corresponding strand 4.
  • the control of the strand 4 is carried out exclusively by means of the electric motor 32, which is connected thereto in a manner not shown with a control unit of a loom.
  • FIG. 4 and in FIG. 5 a device for driving the strands of a textile loom with Einzellitzenterrorism is shown in side view according to a second embodiment.
  • wire ropes 24 serve as tension elements.
  • the wire ropes 24 are connected to the strands 4 in a conventional manner - for example by means of couplings - and each have a - to the neighboring rope - different length.
  • the drive elements can in turn be arranged in a graduated or register manner.
  • the staffel or register-like arrangement is also provided here in a double manner such that the left half of the wires 2 4 is associated with an upper register of a likewise designed as a swivel motor electric motors 32 and their associated elements, while the right half of the wire ropes 24 a associated lower register of electric motors 32 and the associated elements.
  • the ends of the wire ropes 24 are also attached to an active lever 28 which is operatively connected to an electric motor 32.
  • the electric motor is basically the same structure as in the first embodiment.
  • the strands 4 are biased on the side facing away from the electric motor by a respective tension spring 12 in the lower shed position.
  • the spring force against the tension spring 12 is effected in this embodiment by bending springs 10, which are arranged on the electric motor 32. In this case, the forces of the tension spring 12 and the bending spring 10 cancel each other in a middle position of the coils 6.
  • Two stop magnets 26 are in turn arranged so that they form holding means for the two end positions "Hochfach” and " Tieffach". Otherwise, the conditions are the same or according to the first embodiment.
  • FIG. 6 and in FIG. 7 is a device for driving the strands of a textile loom with Einzellitzenterrorism in side view according to a third embodiment shown.
  • the wire ropes 24 also serve as tension members for the strands.
  • the wire ropes 24 in turn each have a different length to the neighboring rope.
  • the drive elements can in turn be arranged in a graduated or register manner.
  • the staffel or register-like arrangement is provided here but in a simple way.
  • the ends of the wire ropes 24 are fixed about an axis on a pivotable active lever 22, which is operatively connected to an electric motor 34.
  • the difference from the second embodiment is here in particular that the cable deflection is not formed by deflection rollers, but by a pivotable about the axis active lever 22 which is coupled to the electric motor 34.
  • the electric motor 34 is designed here as a linear motor.
  • the wire ropes 24 are biased by two tension springs 12 so that in both end positions “Hochfach” or " Tieffach” each spring force of a tension spring 12 acts. In this case, the forces of the tension springs 12 cancel in a middle position of the coils 6 of the electric motor 34.
  • two abutment magnets 26 are arranged in such a way that they form holding means for the two end positions "high shed” and “shallow shed.” Otherwise, the conditions are the same or corresponding to the first exemplary embodiment.
  • the thrust and push rods 30 may also be continuous and thus form the strands with.
  • the ropes 24 can have eyelets for passing through the warp threads and thus at the same time form the strands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Wire Processing (AREA)
  • Warping, Beaming, Or Leasing (AREA)

Claims (13)

  1. Dispositif de commande du mouvement transversal des fils de chaîne d'une machine à tisser le textile, notamment d'une machine à tisser le textile à mouvement indépendant des lisses, comportant un grand nombre de pièces d'entraînement (4) des fils de chaîne servant à entraîner les fils de chaîne, et ayant chacun un entraînement à ressort (8, 10, 12) comportant un moyen à ressort et des moyens de retenue, la force de retenue des moyens de retenue (26) étant opposée à la force d'entraînement exercée par l'entraînement à ressort (8, 10, 12) et permet de tenir les pièces d'entraînement (4) dans une position de foule haute et dans une position de foule basse contre la force des ressorts, les pièces d'entraînement (4) étant reliées par coopération en outre chaque fois avec un moteur électrique (32, 34) par l'intermédiaire d'éléments de transmission de force (24, 30), et dont la commande est lancée par une commande de foule par les pièces d'entraînement (4), et l'action des moyens de retenue (26) peut être vaincue par la somme des forces exercées par l'entraînement à ressort (8, 10, 12) et le moteur électrique (32, 34),
    dispositif caractérisé en ce que
    - les pièces d'entraînement (4) sont reliées en coopération à un moteur électrique (32, 34) respectif par des éléments de transmission de force (24, 30) de longueurs différentes, de façon étagée ou en registre, et
    - les moteurs électriques (32, 34) ont une démultiplication par rapport aux pièces d'entraînement (4) pour qu'un mouvement des moteurs électriques (32, 34) produise un mouvement plus grand des pièces d'entraînement (4).
  2. Dispositif selon la revendication 1,
    caractérisé en ce qu'
    un mouvement des moteurs électriques (32, 34) produit un mouvement au moins double des pièces d'entraînement (4).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    les pièces d'entraînement (4) comme lisses sont reliées en coopération par des tiges de poussée et de traction (30) avec un moteur électrique (32) par l'intermédiaire d'un levier de démultiplication (28) associé.
  4. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    les pièces d'entraînement (4) coopèrent avec un moteur électrique (32) par l'intermédiaire de câbles d'entraînement (24), et des galets de renvoi (14) respectifs, sont prévus entre les pièces d'entraînement et les moteurs électriques (32) avec les éléments de ressort de l'entraînement à ressort (10, 12).
  5. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    les pièces d'entraînement (4) coopèrent avec un moteur électrique (34) par des câbles d'entraînement (24), et
    un levier de renvoi (22) avec démultiplication, respectif, est chaque fois prévu entre les pièces d'entraînement (4) et les moteurs électriques (34) avec des éléments de ressort de l'entraînement à ressort (10, 12).
  6. Dispositif selon la revendication 4 ou 5,
    caractérisé en ce que
    les galets de renvoi (14) ou les leviers de renvoi (22) renvoient avec une démultiplication de course, les câbles d'entraînement (24) sur un angle de 60°-120° et de préférence sur un angle de 75°-105°.
  7. Dispositif selon l'une des revendications 4 à 6,
    caractérisé en ce que
    les pièces d'entraînement (4) pour les fils de chaîne (2) sont prévues d'un côté sur des moyens à ressort (12) installés de manière fixe des entraînements de ressort, et qui sont opposés aux moteurs électriques (32, 34) et aux galets de renvoi (14) ou au levier de renvoi (22) avec démultiplication de course.
  8. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce que
    les entraînement à ressort (8, 10, 12) sont conçus pour que lors d'un fonctionnement des pièces d'entraînement (4) à la fréquence propre de l'entraînement à ressort (8, 10, 12), la plus grande partie de l'énergie du mouvement, provient de l'entraînement à ressort (8, 10, 12).
  9. Dispositif selon la revendication 8,
    caractérisé en ce que
    les entraînement à ressort (8, 10, 12) sont conçus pour qu'en cas de fonctionnement avec les pièces d'entraînement (4) à la fréquence propre de l'entraînement à ressort (8, 10, 12), au moins 75 % de l'énergie cinétique provient de l'entraînement à ressort (8, 10, 12).
  10. Dispositif selon l'une des revendications 1 à 9,
    caractérisé en ce que
    les moyens de retenue sont réalisés sous la forme de moyens de retenue non commandés avec des aimants de butée,
    les aimants de butée (26) étant des aimants permanents.
  11. Dispositif selon la revendication 10,
    caractérisé en ce que
    les extrémités des leviers pour la démultiplication, comportent des contre appuis magnétiques pour les moyens de retenue.
  12. Dispositif selon l'une des revendications 1 à 11,
    caractérisé en ce que
    pour une troisième position de la foule des pièces d'entraînement (4), aucune force n'est exercée sur les pièces d'entraînement (4) entre la position de foule haute et la position de foule basse.
  13. Dispositif selon la revendication 12,
    caractérisé en ce que
    la troisième position de foule est une position de foule moyenne pour les pièces d'entraînement (4).
EP07816242A 2007-03-27 2007-11-12 Dispositif de commande du mouvement transversal de fils de chaîne d'un métier à tisser le textile Not-in-force EP2126172B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4902007 2007-03-27
PCT/CH2007/000559 WO2008116325A1 (fr) 2007-03-27 2007-11-12 Dispositif de commande du mouvement transversal de fils de chaîne d'un métier à tisser le textile

Publications (2)

Publication Number Publication Date
EP2126172A1 EP2126172A1 (fr) 2009-12-02
EP2126172B1 true EP2126172B1 (fr) 2010-09-01

Family

ID=38512612

Family Applications (1)

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EP07816242A Not-in-force EP2126172B1 (fr) 2007-03-27 2007-11-12 Dispositif de commande du mouvement transversal de fils de chaîne d'un métier à tisser le textile

Country Status (10)

Country Link
US (1) US7806146B2 (fr)
EP (1) EP2126172B1 (fr)
JP (1) JP5209694B2 (fr)
KR (1) KR101408579B1 (fr)
CN (1) CN101641467B (fr)
AT (1) ATE479786T1 (fr)
BR (1) BRPI0721532A2 (fr)
DE (1) DE502007004972D1 (fr)
TW (1) TWI425128B (fr)
WO (1) WO2008116325A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
IT202000014749A1 (it) * 2020-06-19 2021-12-19 Textilma Ag Gruppo attuatore per una macchina tessile

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FR2856705B1 (fr) 2003-06-30 2005-08-05 Staubli Sa Ets Mecanique d'armure du type jacquart, metier a tisser equipe d'une telle mecanique et procedes d'assemblage et de demontage d'une telle mecanique
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WO2006063584A2 (fr) 2004-12-16 2006-06-22 Textilma Ag Dispositif de formation de la foule pour la technologie textile

Also Published As

Publication number Publication date
KR20100014356A (ko) 2010-02-10
CN101641467A (zh) 2010-02-03
HK1135440A1 (en) 2010-06-04
US20100037979A1 (en) 2010-02-18
CN101641467B (zh) 2011-04-20
JP2010522285A (ja) 2010-07-01
JP5209694B2 (ja) 2013-06-12
BRPI0721532A2 (pt) 2014-02-18
WO2008116325A1 (fr) 2008-10-02
US7806146B2 (en) 2010-10-05
TWI425128B (zh) 2014-02-01
ATE479786T1 (de) 2010-09-15
TW200914662A (en) 2009-04-01
DE502007004972D1 (de) 2010-10-14
KR101408579B1 (ko) 2014-07-02
EP2126172A1 (fr) 2009-12-02

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