EP0847457B1 - Textilmaschine mit angetriebenem fadenführungsorgan - Google Patents

Textilmaschine mit angetriebenem fadenführungsorgan Download PDF

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Publication number
EP0847457B1
EP0847457B1 EP96926307A EP96926307A EP0847457B1 EP 0847457 B1 EP0847457 B1 EP 0847457B1 EP 96926307 A EP96926307 A EP 96926307A EP 96926307 A EP96926307 A EP 96926307A EP 0847457 B1 EP0847457 B1 EP 0847457B1
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EP
European Patent Office
Prior art keywords
gas
textile machine
pressure
gas pressure
fact
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
EP96926307A
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German (de)
English (en)
French (fr)
Other versions
EP0847457A1 (de
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
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Textilma AG
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Filing date
Publication date
Application filed by Textilma AG filed Critical Textilma AG
Publication of EP0847457A1 publication Critical patent/EP0847457A1/de
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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
    • D03C3/24—Features common to jacquards of different types
    • D03C3/44—Lingoes
    • 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
    • D03C13/025—Shedding mechanisms not otherwise provided for with independent drive motors with independent frame drives
    • 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
    • D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
    • 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

Definitions

  • the invention relates to a textile machine for production of textile products made of threads according to the preamble of Claim 1.
  • Textile machines are in large numbers, for example Looms (U.S. Patent 3,603,351, U.S. Patent 3,695,304, CH Patent 531 588, EP-PS 0 107 099, EP-PS 0 325 547, EP-OS 0 363 311, DE-OS 31 20 097) or knitting machines (DE-A-27 58 421) are known.
  • Weaving machines contain thread processing devices for weaving shed formation, which the warp threads from a middle position move to a superscript or subscript to a shed to open, into which a weft thread is inserted, which then struck on the edge of the goods by means of a reed becomes.
  • a wide variety of devices are used for training like shaft frames and single strand controls, to their Drive crank gear, cam discs, cam gear, Dobby, jacquard or the like used become.
  • a basic distinction is made between two Drive types, a positive drive, such as a crank gear, in which the drive in both directions form-fitting, that means positive.
  • a negative drive for example cams, Cam gears, dobby machines, jacquard machines and The like occurs in one direction of movement form-fitting, that is positive, and in the other direction non-positive, that means negative for example via tension, compression, leaf or torsion springs.
  • the non-positive drive is carried out by means of tension, compression, leaf or torsion springs made of spring steel, rubber and synthetic elastomers. Since the positive drive always works against the positive drive, problems arise at higher speeds. For example, resonance vibrations occur in many systems, which bring the drive parts out of control, ie the drive parts are no longer always in a pre-tensioned state to one another. This leads to great noise development, failure of the bearing points, breakage of the springs and ultimately a complete failure of the thread control. Steel springs are relatively long and heavy, which results in a low resonance speed.
  • such thread processing devices in usually have a relatively large construction volume and during operation does not depend on the operating conditions of the Have textile machines set.
  • From DE-AS 26 31 175 is a weaving machine of the beginning known type, in which the retreat for the healds a jacquard machine is generated pneumatically.
  • the healds are each with a piston / cylinder unit connected, the cylinders having a common large volume Gas chamber communicating, so one for all healds common and over the entire retreat of the Heald constant retraction force is available. A Individual pneumatic control of each heald is therefore possible locked out.
  • the object of the invention is a textile machine of the beginning mentioned type to create the improved properties having.
  • the withdrawal force can thus be tailored to the needs of each Thread guide organ can be set. This is special important because the thread guide organs are different Have control paths and / or thread qualities to be controlled which is to adjust the retraction force for optimal results to achieve.
  • Due to the new design of the thread processing device are used in textile machines such as weaving and Knitting machines at much higher speeds, for example up to 6,000 revolutions / min. possible, with a greatly reduced Noise level means less noise.
  • the high speeds are possible because of the pneumatic design of the positive drive critical resonance vibrations are much higher and indeed in the range over 6,000 revolutions / min.
  • the critical Resonance vibrations are very high and higher than that target speed range, the maximum required Retraction force can be reduced, making a lighter design is possible. You can also change the number of moving parts and significantly reduce their size, which is not only to a simpler, more compact design, but also the Manufacturing costs of such a textile machine lowers and nevertheless the service life of the textile machine until it occurs of intolerable wear are greater.
  • the pneumatic Training the non-positive drive makes it in particular also possible the force of the non-positive Drive especially during operation on the individual operating conditions.
  • An embodiment of the textile machine according to is advantageous Claim 3.
  • the thread control device By venting the gas chamber can be at a standstill Textile machine the thread control device respectively the thread, regardless of the position of the positive Gear, for example a cam gear, be brought into a starting position.
  • This allows a simplified one Pulling the threads into the thread control device, which is particularly true when the thread processing device is designed is advantageous as a shedding device.
  • the Thread repair times and the changeover times of such Textile machines are thus greatly reduced.
  • An embodiment of the textile machine is also advantageous according to claim 4, wherein by a pressure relief valve on the Gas chamber the maximum pressure, for example if the pressure is too high Warming or the like can not be exceeded.
  • An embodiment of the textile machine is particularly advantageous according to claim 5 and in particular in further training of claim 6, wherein the gas pressure in the gas chamber in Adjustable depending on the operating state of the textile machine is.
  • This enables a completely new operating mode for the Textile machine, being under operating condition of the textile machine not just the individual running phases such as standstill, start-up, Fast run, crawl gear and manual operation are to be understood but in particular also the type of textile product to be manufactured, like light or heavy goods, heavily patterned or little patterned goods, and the type of used Threads such as fine, coarse threads, rubber threads, wrapped threads as well as threads made of various materials.
  • the textile machine can also be designed be advantageous according to claim 11, wherein by the second gas chamber, which is the function of the first gas chamber support and / or counteract this, not only whose function can be improved, but at best also the resonance behavior of the pneumatic drive can be positively influenced.
  • the second gas chamber and the control device can at most one positive control of the thread processing device achieved if, for example, by creating a controllable Overpressure in the second gas chamber a thread guide the non-positive drive no longer follows, for example a warp thread remains in the lower position and thereby to pattern of the textile product to be produced.
  • Claim 12 describes the design of the textile machine as a weaving machine, the shedding device with is provided with a non-positive pneumatic drive. In the case of ribbon looms in particular, however, it is also conceivable that driving a weft insertion needle with such a non-positive pneumatic drive is equipped.
  • Claim 13 describes the design of the textile machine as a knitting machine, the non-positive pneumatic Drive a thread laying rod, especially one Weft laying bar is assigned. Contains a knitting machine several thread laying bars, so each thread laying bar such a non-positive pneumatic drive assigned his.
  • Air will generally be used as the gas. It is but also conceivable that by using other gases can achieve a particularly coordinated operating behavior.
  • Figures 1 and 2 describe a designed as a loom Textile machine, the basic structure for example that of the weaving machine of US Pat. No. 3,603,351 or corresponds to CH-PS 531 588 or EP-PS 0 107 099.
  • the Loom contains a warp beam 2, of which warp threads 4 via a match tree 6 in the area of a thread processing device 8 arrive as a shedding device is designed around the warp threads 4 from the high shed position 12 into the deep compartment position 14 or from the deep compartment position 14 deflect into the high position 12.
  • This will make a Loom 16 opened into which a weft thread 18 is inserted and struck on a product edge 22 by means of a reed 20 becomes.
  • the fabric 24 thus manufactured, the that is, the fabric is pulled over a goods take-off device 26 deducted.
  • the thread processing device 8 for producing the The shed contains a thread control device 27 with a positive drive 28, the one as a thread guide Shaft frame 30 with a strand 32 and a strand eye 34 in Subscript moves while a positive pneumatic Drive 36 counteracts this and the shaft edge 30 moved to the high position.
  • the positive drive 28 contains a driven cam 38, with which an arm 40 of a two-armed lever 42 cooperates via a roller 44.
  • the two-armed lever 42 is pivotally mounted on the machine frame 48 via a pivot point 46.
  • the second arm 50 of the two-armed lever 42 interacts via a fork 52 with a cam 54 which is fastened to the shaft frame 30.
  • a piston rod 56 of a piston-cylinder unit 58 of the non-positive pneumatic drive 36 also acts on this cam 54.
  • the piston rod 56 is connected to a piston 60 which is guided up and down in a cylinder 62.
  • FIG. 1 shows the non-positive pneumatic drive 36 with an expanded gas volume V E at pressure P E in the gas chamber 64 when the shaft frame is in the high position.
  • FIG. 2 shows the non-positive pneumatic drive 36 with compressed gas volume V K and the pressure P K when the shaft frame 30 is in the lowered position.
  • the diagram in FIG. 3 shows the dependence of the gas pressure P on the gas volume V and the corresponding position L of the piston 60 in the cylinder 62.
  • the gas volume V changes from the expanded one State V E to the compressed volume V K , the gas pressure P E increasing from the expanded state to the gas pressure P K in the compressed state.
  • the diagram of FIG. 3 also shows the maximum pressure P max indicated by the pressure relief valve 66, at which the pressure relief valve 66 opens.
  • the gas pressure P K is preferably: P K ⁇ 100P e
  • FIG. 4 shows the non-positive pneumatic drive 36 of Figures 1 and 2 shown in detail, in particular the compressed gas source 70 also contains a control device 74, which is connected to a control device 76 of the weaving machine.
  • the compressed gas source 70 contains a compressor 78, the compressed gas, preferably air supplying control device 74.
  • This contains various pressure reducing valves 80a-e, which the various operating states I-V of the weaving machine correspond.
  • the control unit 76 controls the pressure reducing valves 80a-e downstream opening valves 82 to the compressor 78 with the selected pressure reducing valve 80a-e to connect the piston / cylinder assembly 58.
  • FIG. 5 now shows the pressure curve which the compressed gas source 70 feeds into the gas chamber 64 as a function of various operating phases of the weaving machine.
  • gas pressure P I corresponds to the ambient pressure of the atmosphere, so it is practically zero.
  • the gas pressure P II is greatest in the start-up phase II and then drops to the gas pressure P III in the high-speed phase III . If the weaving machine is operated in the creeper phase IV, the gas pressure P IV drops further.
  • the gas pressure P V can be equal to or less than the gas pressure P IV of the creeper phase IV.
  • the non-positive pneumatic drive 36 only works against the positive drive 28, ie the cylinder 62 is open on the side facing the piston rod 56 and is under ambient pressure P 0 .
  • a further embodiment is indicated by dash-dotted lines in FIG. 4, the side of the piston 60 opposite the gas chamber 64 also being provided with a gas chamber 84, ie being closed, and being connected to a pressure control device 86 which has a compressor 88.
  • the pressure control device 86 can be configured such that this second gas chamber 84 supports and / or counteracts the function of the first gas chamber 64. This enables a more subtle adjustment and control of the non-positive pneumatic drive 36.
  • the pressure control device can at most also be connected to the control device 76 of the weaving machine and configured in such a way that the pressure in the second gas chamber 64 is periodically greater than the gas pressure in the first gas chamber 64, as a result of which the shaft frame 30 can be held in the down position and the positive one Drive 28 no longer follows. This enables a pattern-based control of the shaft frame.
  • FIG. 6 shows a thread processing device 90 Knitting machine, for example a warp knitting machine in particular a crochet gallon machine, the basic one Structure, for example, from DE-OS 27 58 421.
  • a laying bar 92 for example for one Shown not shown weft.
  • the laying bar 92 is up and down as well as longitudinally displaceable in beams 94 guided and acts on one side with a form-fitting Drive 96 together, which is a driven rotating Has cam 98, which acts on a roller 100, which is attached to a rocker arm 102.
  • the rocker arm 102 is pivotally mounted on the machine frame 104 and acts at its end facing away from the machine frame 104 via a coupling member 106 together with the laying bar 92.
  • the Coupling member 106 is on the one hand via a joint 110 to the Rocker arm 102 and on the other hand via a second joint 108 connected to the laying bar 92, so that this one up and can perform outgoing movement.
  • the other end of the laying bar 92 is with a non-positive pneumatic drive 112 connected, the laying rod 92 being designed as a piston 114 which is in a cylinder 116 of a piston / cylinder unit 118 dips. Inside the cylinder 116 is such a gas chamber 120 is formed, on the one hand a pressure relief valve 122 and on the other hand via a check valve 124 a compressed gas source 126 are connected.
  • the cylinder 116 can still be operated manually in the area of the gas chamber 120
  • Pressure relief valve can be provided analogously to that Pressure relief valve 72 of Figure 4.
  • Thread guide 128 attached between the extended and the dashed position can be moved back and forth and interact with knitting needles 130 so as not to get closer shown weft thread between at least two knitting needles 130 to insert.
  • the displacement can also be two and more knitting needles run.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP96926307A 1995-08-29 1996-08-19 Textilmaschine mit angetriebenem fadenführungsorgan Expired - Lifetime EP0847457B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29513815U DE29513815U1 (de) 1995-08-29 1995-08-29 Textilmaschine zur Herstellung von Textilerzeugnissen aus Fäden
DE29513815U 1995-08-29
PCT/CH1996/000285 WO1997008373A1 (de) 1995-08-29 1996-08-19 Textilmaschine mit angetriebenem fadenführungsorgan

Publications (2)

Publication Number Publication Date
EP0847457A1 EP0847457A1 (de) 1998-06-17
EP0847457B1 true EP0847457B1 (de) 2002-05-02

Family

ID=8012320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96926307A Expired - Lifetime EP0847457B1 (de) 1995-08-29 1996-08-19 Textilmaschine mit angetriebenem fadenführungsorgan

Country Status (10)

Country Link
US (1) US5947165A (ru)
EP (1) EP0847457B1 (ru)
JP (2) JPH11511211A (ru)
KR (1) KR100415891B1 (ru)
AU (1) AU6694896A (ru)
DE (2) DE29513815U1 (ru)
ES (1) ES2173304T3 (ru)
RU (1) RU2143019C1 (ru)
TR (1) TR199800337T1 (ru)
WO (1) WO1997008373A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103849974A (zh) * 2014-03-27 2014-06-11 武汉纺织大学 一种适用于多层织物织造的开口引纬机构

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10331916A1 (de) * 2003-07-15 2005-02-24 Lindauer Dornier Gmbh Antriebsvorrichtung zur Erzeugung einer hin- und hergehenden Bewegung eines angetriebenen Bauteil, insbesondere in Webmaschinen
BRPI0416975B1 (pt) * 2003-11-28 2014-12-23 Textilma Ag Dispositivo de controle de fio para uma máquina têxtil, especialmente para um dispositivo de formação de cala
EP2069564B1 (de) 2006-09-28 2016-05-11 Textilma Ag Fachbildevorrichtung für eine webmaschine, insbesondere für eine bandwebmaschine
EP2019158B1 (en) * 2007-07-26 2010-01-27 Luigi Omodeo Zorini Needle loom
CN101307520B (zh) * 2008-02-17 2010-09-29 朱奕 高速织机开口方式改造装置
EP3121317B1 (en) * 2015-07-23 2021-01-06 STÄUBLI BAYREUTH GmbH Method for weaving a fabric, near-net shape fabric woven via such a method and weaving loom for implementing this method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE531588C (de) * 1930-05-17 1931-08-14 Siemens Schuckertwerke Akt Ges Leitungsanlage fuer hohe Stromstaerken, insbesondere hohe Stromstoesse
US3103953A (en) * 1961-03-13 1963-09-17 Lauritsen William Shedding mechanisms
CH473921A (de) * 1967-11-17 1969-06-15 Contraves Ag Flachwebmaschine
FR2087388A5 (en) * 1970-05-19 1971-12-31 Ducol Jean Paul Penumatic control for guide bars of a raschelle machine
GB1315628A (en) * 1971-03-02 1973-05-02 Bonas Machine Co Shedding motion
US3794082A (en) * 1972-01-04 1974-02-26 H Kuster Arrangement for shed formation
DE2631175B1 (de) * 1976-07-10 1977-12-29 Wolfgang Ebisch Rueckzugvorrichtung fuer die webelitzen einer jacquardwebmaschine
IT1067328B (it) * 1976-12-28 1985-03-16 Brevitex Ets Exploit Perfezionamenti alle macchine a crochet,allo scopo di aumentarne la velocita' di lavoro
DE2939421C2 (de) * 1979-09-28 1981-09-24 Grosse Webereimaschinen Gmbh, 7910 Neu-Ulm Vorrichtung zum Heben und Senken der Kettfäden einer Webmaschine
GB8406466D0 (en) * 1984-03-13 1984-04-18 Guildford Kapwood Ltd Mechanism for effecting movement
DE4030464A1 (de) * 1990-09-26 1992-04-02 Oberdorfer Fa F Elektro-pneumatische fachbildungseinrichtung, insbesondere fuer nahtmaschinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103849974A (zh) * 2014-03-27 2014-06-11 武汉纺织大学 一种适用于多层织物织造的开口引纬机构
CN103849974B (zh) * 2014-03-27 2015-05-13 武汉纺织大学 一种适用于多层织物织造的开口引纬机构

Also Published As

Publication number Publication date
KR19990022958A (ko) 1999-03-25
TR199800337T1 (xx) 1998-05-21
DE59609161D1 (de) 2002-06-06
JP4199798B2 (ja) 2008-12-17
EP0847457A1 (de) 1998-06-17
US5947165A (en) 1999-09-07
DE29513815U1 (de) 1995-10-19
AU6694896A (en) 1997-03-19
JPH11511211A (ja) 1999-09-28
ES2173304T3 (es) 2002-10-16
JP2007092272A (ja) 2007-04-12
KR100415891B1 (ko) 2004-05-31
RU2143019C1 (ru) 1999-12-20
WO1997008373A1 (de) 1997-03-06

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