EP1077278B1 - Métier à tricoter chaíne - Google Patents

Métier à tricoter chaíne Download PDF

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Publication number
EP1077278B1
EP1077278B1 EP00116454A EP00116454A EP1077278B1 EP 1077278 B1 EP1077278 B1 EP 1077278B1 EP 00116454 A EP00116454 A EP 00116454A EP 00116454 A EP00116454 A EP 00116454A EP 1077278 B1 EP1077278 B1 EP 1077278B1
Authority
EP
European Patent Office
Prior art keywords
bar
knitting machine
warp knitting
machine according
motor
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
EP00116454A
Other languages
German (de)
English (en)
Other versions
EP1077278A1 (fr
Inventor
Hans-Jürgen Höhne
Kresimir Mista
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Individual
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Individual
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Publication date
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Publication of EP1077278A1 publication Critical patent/EP1077278A1/fr
Application granted granted Critical
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • D04B27/26—Shogging devices therefor
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines

Definitions

  • the invention relates to a warp knitting machine with at least one displaceable by predetermined paths Barre, like laying bar, a first controllable motor, the one using a pulling force at one bar end attacks, and a reset device under Exercise an effective, simultaneously with the traction their opposing tension on the other Attacking the bar end.
  • From DE-OS 1 585 155 is an electromagnetically controllable Pattern device known for textile machines, at the pulling rope carrying the thread guides at both ends are firmly connected with a pulley, each via one attacking a magnetic disc Holding and lifting magnets can be taken. in this connection it is difficult to tension the pull rope hold.
  • GB-PS 1 247 388 is a digital offset device for the control of translatory movements known, in particular on the laying bars of Get warp knitting machines.
  • a piston system that has multiple pistons, whose stroke is designed in the ratio of powers of 2 are to be able to carry out selectable sum strokes.
  • a similar but oppositely directed piston system At the other end of the bar, a similar but oppositely directed piston system. Both systems are controlled so that they are complementary be operated so that the ends of the two Piston rods are engaged with the bar. Also here no tension is exerted on the bar.
  • the invention has for its object a warp knitting machine of the type mentioned at the outset works with lower tractive forces and also for higher ones Operating speeds is suitable.
  • a second controllable motor serves and that the first by means of a control device Motor the bar by predetermined distances in one direction of offset and the second motor the bar by predetermined Draws paths in the other direction of offset and the other motor has an opposing clamping force, which is small in relation to the tractive force the bar exercises.
  • the bar is designed as a band is.
  • the mass of the bar is extremely small, so that even low tractive forces are sufficient to to achieve rapid offset required accelerations.
  • the clamping force can also be kept low, since they just stretched the usually flexible tape must hold.
  • control device has a PI controller to control the first or second motor and a controller influenced by a P component for controlling of the other motor.
  • the PI controller therefore serves as a master and through the P components influenced controllers as slaves. In this way, one Linkage of the operating mode of the two motors is established, according to which the clamping forces are always small in comparison to the tractive forces. This applies to both directions of offset.
  • control device one Controller has the actual and target values of the ingot position are supplied as absolute values. Because here every place The warp knitting machine can be assigned its own absolute value approached from any position become. A zero adjustment is not necessary.
  • the tape has a flat surface on which the scale can be easily attached.
  • the total adjustment path the bar is at least 150 mm. In in practice, 180 or 200 mm are also possible. On such a large total adjustment path was previously not possible, because the return spring makes such a big change in length has not approved. Now you can see the current one Adjustment range of, for example, 16 mm within the move large total adjustment range without the Machine changes would have to be made.
  • the motors are particularly advantageous as linear motors. They can be arranged in the immediate extension of the tape be and do not require deflection devices.
  • the motors can be rotary motors. For example, you can rotate a disc over the a traction rope is laid that leads to the end of the belt.
  • the tape carries thread guide elements. This can be placed where they are are needed for pattern reasons.
  • a flexible tape 1 is shown, which is used as a laying tape can serve a warp knitting machine.
  • the end 2 of the belt 1 is with the rotor 3 of a linear motor 4, the end 5 of the band 1 with the rotor 6 of a linear motor 7 connected.
  • Both engines 4 and 7 only practice Tensile forces on tape 1. Should the volume 1 after are shifted to the left, the motor 4 pulls the belt the corresponding offset path to the left. simultaneously the motor 7 is driven so that it is a relative exerts little tension so that the tape 1 stays stretched. Should volume 1 be shifted to the right are, the motor 7 exerts the tensile force that is required to move is necessary, the motor 4 the clamping force to keep the tape 1 stretched.
  • a control device 8 which Determine the power of the motor 4 via a line 9 Signals and the power of the line 10 Motors 7 specifies signals.
  • the control device 8 has a PI controller 11, via which a Input 12 the setpoints of the offset movement of one Programmer 13 supplied in the form of absolute values become.
  • the programmer 13 works in dependence from the main shaft speed of the warp knitting machine.
  • the PI controller 11 via a second Input 14 of the actual value of the position of band 1 fed for what purpose a scale 15 on tape 1 is arranged, which is optically or by a read head 16 is scanned in a different way.
  • a first Output 17 will show the performance data in the offset direction pulling motor to a switching device 18 passed.
  • a slave controller 20 Via a second output 19 a slave controller 20 affects. He takes one into account Share of the P component of the PI controller 11 and gives on Output 21 sends a signal to the switching device 18, that corresponds to the engine power that the generation corresponds to a usable small clamping force.
  • the switching device 18 recognizes by the sign of the Signal fed via line 17, which direction of offset is required.
  • a band 22 provided that equipped with pade guide elements 23 is. It can also be other knitting tools, for example Circuit boards, trade. Instead of motors 4 and 7, which are designed as linear motors, are here Rotary motors 24 and 25 used what only is indicated schematically, drive a winch. It is also shown that the band 22 has brackets 26 is displaceable on bolt 27, which is on beams 28 are attached.
  • the band 29 is on one end with a rotary motor 30 and the other End connected to a rotary motor 31.
  • the ribbon has a plurality of holes 32 for thread guidance.
  • guide slots 33 are provided through which each engages a support roller 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (10)

  1. Métier à tricoter chaíne comprenant au moins une barre déplaçable sur des trajets prédéfinis, comme la barre à passettes, un premier moteur commandé (4, 24, 30 ou 7, 25, 31) qui attaque une extrémité de la barre (2 ou 5) en exerçant une force de traction (P1 ou P2), et un mécanisme de rappel qui attaque l'autre extrémité de la barre (5 ou 2) en exerçant une force de tension (S1 ou S2) qui agit simultanément avec la force de traction et qui est dirigée à l'opposé de cette dernière, caractérisé en ce qu'un second moteur commandé (7, 25, 31 ou 4, 24, 30) sert de dispositif de rappel et qu'au moyen d'un dispositif de commande (18), le premier moteur (4, 24, 30 ou 7, 25, 31) tire la barre sur des trajets prédéfinis dans une des directions de déport en générant une force de traction (P1 ou P2) et le second moteur (7, 25, 31 ou 4,24, 30) tire la barre sur des trajets prédéfinis dans l'autre direction de déport en générant une force de traction (P2 ou P1), et que l'autre moteur respectif est commandé de manière à exercer sur la barre une force de tension (S1 ou S2) dirigée à l'opposé, et qui est petite par rapport à la force de traction.
  2. Métier à tricoter chaíne selon la revendication 1, caractérisé en ce que la barre est réalisée sous forme de bande (1, 22, 29).
  3. Métier à tricoter chaíne selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le dispositif de commande (18) comprend un régulateur proportionnel/intégral (11) pour commander le premier ou le second moteur (4 ou 7) ainsi qu'un régulateur (20) influencé par une part proportionnelle pour commander l'autre moteur respectif (7 ou 4).
  4. Métier à tricoter chaíne selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de commande (18) comprend un régulateur (11) auquel sont amenées les valeurs réelles et les valeurs de consigne de la position de la barre à passettes à titre de valeurs absolues.
  5. Métier à tricoter chaíne selon la revendication 4, caractérisé en ce que l'échelle (15) du capteur de valeurs réelles pour la position de la barre à passettes est montée sur la bande (1).
  6. Métier à tricoter chaíne selon l'une des revendications 1 à 5, caractérisé en ce que la distance de déport totale de la barre s'élève à au moins 150 mm.
  7. Métier à tricoter chaíne selon l'une des revendications 1 à 6, caractérisé en ce que les moteurs (4, 7) sont des moteurs linéaires.
  8. Métier à tricoter chaíne selon l'une des revendications 1 à 7, caractérisé en ce que les moteurs (24, 25, 30, 31) sont des moteurs rotatifs.
  9. Métier à tricoter chaíne selon l'une des revendications 2 à 8, caractérisé en ce que la bande (22) porte des éléments guide-fils (23).
  10. Métier à tricoter chaíne selon l'une des revendications 2 à 9, caractérisé en ce que la bande (29) comprend des trous (32) pour guider les fils.
EP00116454A 1999-08-17 2000-07-29 Métier à tricoter chaíne Expired - Lifetime EP1077278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19938871A DE19938871C1 (de) 1999-08-17 1999-08-17 Kettenwirkmaschine
DE19938871 1999-08-17

Publications (2)

Publication Number Publication Date
EP1077278A1 EP1077278A1 (fr) 2001-02-21
EP1077278B1 true EP1077278B1 (fr) 2003-05-14

Family

ID=7918601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00116454A Expired - Lifetime EP1077278B1 (fr) 1999-08-17 2000-07-29 Métier à tricoter chaíne

Country Status (5)

Country Link
EP (1) EP1077278B1 (fr)
JP (1) JP3443079B2 (fr)
KR (1) KR100363950B1 (fr)
CN (1) CN1145722C (fr)
DE (2) DE19938871C1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035160B4 (de) * 2000-07-19 2004-06-03 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine mit mindestens einer Barre
DE10137601B4 (de) * 2001-08-01 2006-09-07 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine mit mindestens einer Musterlegebarre
DE10332235B3 (de) * 2003-07-16 2005-06-16 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine
DE10342843B4 (de) * 2003-09-17 2005-09-15 Karl Mayer Textilmaschinenfabrik Gmbh Verfahren zur Inbetriebnahme einer Kettenwirkmaschine
DE102007031754B4 (de) * 2007-07-07 2009-04-23 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE399487C (de) * 1923-01-11 1924-08-04 Akt Ges Maschf Kettenwirkmaschine
DE1585155A1 (de) * 1965-09-17 1970-05-21 Kurt Landmann Elektromagnetisch steuerbare Mustervorrichtung fuer Textilmaschinen
GB1247388A (en) * 1968-09-19 1971-09-22 Akad Wissenschaften Ddr Improvements in digital setting systems for the control of translational movements
CH609390A5 (fr) * 1976-03-05 1979-02-28 Sulzer Ag
DE3006636A1 (de) * 1979-05-18 1980-11-20 Sulzer Ag Legebaender fuer kettenwirkmaschinen
DE2926018C2 (de) * 1979-06-12 1982-12-02 Gebrüder Sulzer AG, 8401 Winterthur Vorrichtung zur Programmsteuerung der Versatzbewegungen von Legeschienen an Kettenwirkmaschinen
DE4114012C3 (de) * 1991-04-29 1996-07-04 Liba Maschf Kettenwirkmaschine mit auf einer Legebarre angebrachten individuell bewegbaren Fadenführern

Also Published As

Publication number Publication date
DE19938871C1 (de) 2001-05-10
DE50002153D1 (de) 2003-06-18
KR100363950B1 (ko) 2002-12-12
EP1077278A1 (fr) 2001-02-21
JP2001073264A (ja) 2001-03-21
JP3443079B2 (ja) 2003-09-02
CN1284581A (zh) 2001-02-21
CN1145722C (zh) 2004-04-14
KR20010049797A (ko) 2001-06-15

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