EP0829562B1 - Machine à texturation avec un guide-fil réglable en hauteur - Google Patents

Machine à texturation avec un guide-fil réglable en hauteur Download PDF

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Publication number
EP0829562B1
EP0829562B1 EP97113584A EP97113584A EP0829562B1 EP 0829562 B1 EP0829562 B1 EP 0829562B1 EP 97113584 A EP97113584 A EP 97113584A EP 97113584 A EP97113584 A EP 97113584A EP 0829562 B1 EP0829562 B1 EP 0829562B1
Authority
EP
European Patent Office
Prior art keywords
machine according
texturing machine
sliding element
blocking member
piston
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
EP97113584A
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German (de)
English (en)
Other versions
EP0829562A3 (fr
EP0829562A2 (fr
Inventor
Klemens Jaschke
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Saurer GmbH and Co KG
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 Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of EP0829562A2 publication Critical patent/EP0829562A2/fr
Publication of EP0829562A3 publication Critical patent/EP0829562A3/fr
Application granted granted Critical
Publication of EP0829562B1 publication Critical patent/EP0829562B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines

Definitions

  • the invention relates to a texturing machine with a height adjustable Thread guide according to the preamble of claim 1.
  • a thread layer discloses which is a height-adjustable handrail with sliding guide and a rope mechanism with pulleys to bridge larger ones Has operating heights.
  • a thread guide is made from a Position to be reached by the operator in which the thread is in the feed thread guide is inserted, move to a landing position, the Thread guide by means of a swivel lever the thread in its final career in the heater.
  • the mechanism is relative complicated and requires long operating paths for manual operation the handrail. This leads to the failure of the electrical power supply the thread remains in the heater in a texturing machine, until the operator retracts the thread guide with thread. In which High-temperature heaters are used in texturing machines however, the danger that the threads before removal from the Heater are damaged.
  • a heating device is known from EP 0 429 980, in which on A height-adjustable thread guide is arranged at the outlet of the heating device is.
  • This thread guide becomes in case of failure of the electrical energy supply activates and lifts the thread from the running surface of the heating device.
  • this device is not suitable to a over the Range of an operator exceeding working height when threading to bridge.
  • the object of the invention is a texturing machine with a height adjustable To create feed thread guides, which in the event of failure of the electrical energy supply a quick removal of the thread executes the heater independently of the operator, with the thread guide is brought into a position that damages the Prevents thread in the machine.
  • the sliding element is attached to the thread guide of an automatic linear drive.
  • the linear drive is at Failure of the electrical energy supply by a control device controlled in such a way that the sliding element with the thread guide Descent for the purpose of stopping prematurely in a given one Parking position just below the deflection position.
  • the special one Advantage of the invention is that the thread at each work station can be removed from the heating device at the same time. Furthermore the thread is brought into a position in which neither an inadmissible Swaying or even overstretching occurs.
  • the invention also has the advantage that the thread when restarting the machine immediately by moving it with the linear drive
  • the thread guide can be reinserted into the heating device.
  • the texturing machine Guide rail a braking device just below the deflection position arranged, the premature holding of the feed thread guide in a predefined parking position.
  • the linear drive of the Sliding element and the braking device only activated when the Thread is not transported or the electrical energy supply of the Texturing machine has failed.
  • the parking position becomes like this chosen that after the downward movement of the feed thread guide with the thread no damage to the thread occurs yet.
  • the particular advantage here is that the sliding element of the linear drive can only be controlled by a pulse is.
  • the braking device is preferably provided with a mechanically operable one Locking element executed, in particular a high level of functional reliability guaranteed.
  • the locking member between a freewheeling position free travel of the thread guide and the park position to hold the Thread guide adjustable.
  • a further development provides that a spring with the direction of force in the freewheeling position attacks the locking member.
  • This training has the Advantage that the locking member automatically in when the power transmitter is not activated the freewheel position is pivoted back.
  • the force transmitter is advantageously as a cylinder-piston unit executed, which is preferably operated pneumatically.
  • the locking member in a Waiting position movable, in which the locking member automatically with a rest is fixed, the locking member partially in the track of the sliding element protrudes. This version is particularly advantageous if the force transmitter can only be activated in a pulsed manner.
  • a further development provides that the adjustment of the locking member by the waiting position to the parking position leads to an unlocking of the rest.
  • the linear drive controlled by a pulse with the downward sliding element for adjusting the locking member can be used advantageously.
  • the locking member is the Braking device designed as a pawl mounted in a swivel.
  • the pawl has a turn into which when reached the waiting position an undercut of the adjusting piston of the cylinder piston unit locks.
  • Fig. 1 shows the basic structure of a texturing machine, in which the thread 10 from the payout spool at each corresponding work station 34 via a delivery unit 11, which consists of corresponding conveyor rollers, a heater 8 is supplied. At the end of the heater 8 there is a thread guide 6 with pulley 36, over which the thread 10 runs and is deflected so that it is then in a cooling device 9 occurs. From the cooling device, the thread 10 is one False twist 31 and a trigger 12 fed from where it a winder 13 is supplied. In another embodiment the thread 10 in front of the delivery mechanism 12 by another heater 33 out. This is between the heater 33 and the false twister 31 Supply plant 32 arranged.
  • the linear drive 5 consists of the elongated guide rail 26, which is designed as a sleeve which has a connection plug for compressed air on one side, and which on their other side, i.e. the lower side in Fig. 1, the actual valve 2 with a plunger 16. That at the Outside of the sleeve 26 guided sliding element 14 on which the Thread guide 6 is pivotally attached, is in Fig. 1 in the top Position of the deflection position 3 shown.
  • the linear drive 5 is designed, for example, as a pneumatic drive.
  • the linear drive can be used to move the sliding element also by electrical, electro-mechanical or hydraulic means will be realized.
  • the thread is inserted into the final heating position by a pivoting of the feed thread guide 6 by the feed thread guide 6 with its swivel arm on a curved stop (not here shown) strikes and is pivoted.
  • the top position corresponds to the position in which the control valve is so long compressed air from a compressed air source to the underside of a magnetic piston 7 (see FIG. 4) until it is in the sleeve in its uppermost position in the stop with the inlet plug 24 or in one outer stop is.
  • the basic structure of a texturing machine shown in FIG. 1 was chosen only as an example.
  • the invention also covers the arrangements where a heating device and a cooling zone in a common Oblique position with an increase to the deflection position are arranged.
  • a heating device and a cooling zone in a common Oblique position with an increase to the deflection position are arranged.
  • FIG Cooling device 9 upstream of a second heating device in the thread run Has The deflection position is between a first one Heating zone and a second heating zone.
  • the heater 33 behind the Delivery unit 32 is only provided in those cases where the Thread must receive a thermal aftertreatment in a setting zone.
  • a Compressed air source 1 is via a control valve 2 with a linear drive 5 connected.
  • the linear drive 5 has a sleeve in which rodless a magnetic piston is moved up and down by applying pressure can be.
  • On the outside of the sleeve is a sliding element 14 slidably attached as a magnet, which has a polarity that is different is that of the magnetic piston inside the sleeve. Thereby becomes the magnet attached to the outer circumference of the sleeve or the sliding element 14 when pressure is applied to the magnetic piston inside the Sleeve moved up and down.
  • the thread guide 6 is on the sliding element 14 arranged by means of which the thread in the heating device 8 or Cooling device 9 can be inserted.
  • the control valve 2 is from switched manually by an operator.
  • the control valve 2 controllable via a control device 70.
  • the controller 70 is used in the event of failure of the electrical energy of the texturing machine to connect compressed air source 1 with the linear drive 5 such that first the piston in a predetermined by the control device 70 Pulse time is moved down to then in a parking position to remain in the middle position of the control valve 2.
  • the compressed air supply is ensured here via a pressure accumulator 72.
  • FIG. 3 shows the linear drive 5 from FIG. 2, with the control of the linear drive with a control valve 2.1.
  • the control valve 2.1 is used here Power failure controlled with a pilot valve 73.
  • the Pilot valve 73 activated via the control device 70.
  • the braking device 50 activated so that a locking member 52 in the raceway of the sliding element 14th intervenes.
  • the control valve 2.1 is controlled by the Pilot valve 73 brought into its right switching position, so that the Magnetic piston of the linear drive 5 is acted on such that the Sliding element 14 moves downwards.
  • the sliding element 14 is in a predetermined Park position held.
  • Fig. 4 shows the linear drive 5 of the thread guide with a braking device 50.
  • a compressed air source 1 is provided on the control valve 2, via which compressed air is fed to the control valve.
  • This control valve is depending on the position of a double piston formed 15 a feed line to the underside of a rodless magnetic piston 7 or to the top of this magnetic piston 7, which in a cylindrical guide rail (sleeve) 26 is guided.
  • a sliding element 14 In opposite polarity to the polarity of the magnet of the magnetic piston 7 there is a sliding element 14 slidably on the outer circumference of the sleeve 26 with magnets on which the actual thread guide 6 with Deflection roller 36 is pivotally attached.
  • the magnetic piston 7 has a plurality of ring magnets 29 arranged parallel to one another.
  • valve 2 is a compressed air connection 20 for the connection the compressed air source 1 with the control valve, a compressed air connection 21 for the connection of the control valve 2 with the upper side of the magnetic piston 7 via a compressed air connection piece 24 on the top of the sleeve 26 for Actuation of the top of the magnetic piston, a compressed air connection 22 to act on the magnetic piston 7 from the bottom and a Compressed air connection 23 for automatic retraction of the thread guide, i.e. for removing the thread from the heating device 8 or the cooling device 9, provided.
  • the double piston 15 of the control valve 2 has furthermore a plunger 16 with a plunger handle.
  • the first latching position shown in FIG. 4 corresponds to the Position in which the compressed air from the compressed air source 1 via the Compressed air connection 20 and the compressed air connection 22 the underside of the Magnetic piston 7 is applied, whereby it is extended, i.e. of is moved upwards.
  • the compressed air connection 21 is with the Vent channel 30 of the double piston connected so that the top of the magnetic piston 7 is relieved.
  • a second and a third locking position adjustable.
  • the piston is removed from the Compressed air is applied to the top and bottom so that the thread guide 6 remains in the monthly position.
  • the third rest position of the plunger causes the magnetic piston 7 to move downward thus the sliding element 14 with the thread guide 6 down on the Sleeve is moved.
  • the sleeve 26 is connected to a carrier 51.
  • a braking device 50 is attached on the support 51.
  • the braking device 50 consists of a pawl 52 which is pivotable at one end in a swivel joint 53 is connected to the carrier 51.
  • the pawl 52 is by means of a spring 55 in the position shown in FIG. 4 (freewheel position) held.
  • the spring 55 is for this purpose between the carrier 51 and the Pawl 52 arranged.
  • the pawl 52 is in the direction of movement 54 pivotable.
  • the braking device has a cylinder-piston unit 57 on.
  • the cylinder-piston unit is via a pressure connection 60 can be acted upon with a pressure medium, preferably compressed air.
  • the Piston 58 has a piston shaft 58.1, which is in the cylinder is led.
  • the piston rod 58.2 is attached to the piston shaft 58.1.
  • the piston rod 58.2, which emerges from the cylinder, points to the opposite end a piston cap 58.3.
  • Between the Piston rod 58.1 and piston cap 58.3 is an undercut 64 educated.
  • the piston cap 58.3 is conical with the cone 62.
  • the cone 62 is designed in such a way that when the piston extends, i.e. with pressure loading of the piston with a bevel 63 on the Pawl 52 slides along.
  • the cylinder piston unit 57 is connected to a control unit 4 connected.
  • the control unit 4 is also with pressure source 1 and connected to the control valve 2 via the pressure connection 23.
  • the Control device 4 as shown in FIG. 3, has pilot valve 73 and the control device 70.
  • FIGS. 4 to 6 serve for this purpose.
  • the control device 4 is connected to the pressure port 23 of the control valve 2. In the event of a power failure, the control device 4 also connects the pressure connection 23 to the pressure source 1. This ensures that the double piston 15 is moved into the switching position which causes the sliding element 14 to move downward.
  • the sliding element 14 strikes the stop 66 of the pawl 52 with its stop face 67.
  • the pawl 52 is displaced further in the pivoting direction 69 due to the downward movement of the sliding element 14 until the shoulder 71 attached to the stop 66 Pawl 52 abuts the sliding element 14. In this position (parking position) - as shown in Fig. 6 - the sliding element 14 comes to a standstill.
  • the magnetic piston 7 is activated by control of the control valve 2 in the applied position moves and moves the sliding member 14 again from the park position.
  • the pawl 52 by means of the spring 55 in their starting position (freewheeling position) pivoted back. So that's it Sliding element on the guide rail 26 in turn freely movable.
  • the braking device is used together with the linear drive of the thread guide preferably activated in the event of energy disturbances in the texturing machine. However, it is also possible to use the braking device during maintenance work to operate on the machine so that the stationary thread can be taken out of the heater as soon as possible. Once the sliding element is present during maintenance work on the braking device Linear drive of the feed thread guide are issued. Here is from Advantage if the operation of the heater flap with the Movement of the sliding element is controlled. 7 is an embodiment shown here, in which the thread guide with his Sliding element 14 abuts an upper stop.
  • the stop is formed by a contact switch 38.
  • the Contact switch 38 is connected to a control device 37.
  • the Control device 37 consists of a control valve 39 and a lock cylinder 40.
  • the control valve 39 is by means of the contact switch 38 moved to its left switching position.
  • the Contact switch 38 receives its switching pulse from the sliding element 14.
  • the left switch position of the control valve 39 which acts as a 3/2-way valve is carried out, the compressed air source 1 with the pressure chamber 41st of the lock cylinder 40 connected.
  • the locking cylinder 40 is by means of its piston rod 42 is connected to the heating flap 44 of the heating device 8.
  • the heating device 8 has two heating channels 43.1 and 43.2.
  • each A heating thread 10 is guided.
  • the control device 37 points in In this case, two control valves 39, each by a contact switch can be controlled.
  • Each contact switch 38 forms the stop for the respective thread feeder of threads 10.1 and 10.2.
  • the heater flap 44 is closed only in the event that both thread guides or sliding elements 14.1 and 14.2 in their stop lie.
  • the control valve is switched to its right switch position. In this switching position becomes the pressure chamber 41 of the locking cylinder 40 vented so that the heating flap 41 of the heating device 8 is opened or remains open. The thread can thus be removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Braking Arrangements (AREA)

Claims (16)

  1. Machine de texturation dans le cas de laquelle à chaque poste de travail le fil (10) peut être guidé vers un enroulement (13) au passage d'un dispositif d'alimentation (11), d'un dispositif de chauffage (8), d'un dispositif de refroidissement (9), d'un dispositif de fausse torsion et d'un dispositif de retirage (12), dans le cas de laquelle sur une position de déviation (3) la plus élevée le fil peut être dévié hors de portée d'un opérateur par un guide-fil d'application (6), dans laquelle le dispositif de chauffage (8) et/ou le dispositif de refroidissement (9) sont agencés en une position inclinée avec la montée vers la position de déviation (3) et dans le cas de laquelle le guide-fil d'application (6) est ajustable en hauteur pour l'application du fil (10) dans le dispositif de chauffage (8), le gide-fil d'application (6) étant agencé sur un élément coulissant (14) et l'élément coulissant (14) pouvant être déplacé sur une barre de guidage (26) vers le haut et vers le bas, caractérisée en ce que l'élément coulissant (14) est déplacé au moyen d'un entraínement linéaire automatique (5) et en ce qu'en cas de défaillance d'alimentation en énergie électrique l'entraínement linéaire (5) peut être commandé de telle manière par un dispositif de commande (70) que dans le but d'obtenir un arrêt prématuré du guide-fil (6) l'élément coulissant (14) peut se déplacer vers le bas dans une position prédéterminée de parcage juste en dessous de la position de déviation (3).
  2. Machine de texturation selon la revendication 1, caractérisée en ce que l'élément coulissant (14) peut être arrêté juste en dessous de la position de déviation (3) par l'activation de l'entraínement linéaire (5).
  3. Machine de texturation selon la revendication 1, caractérisée en ce que l'élément coulissant (14) peut être arrêté par un dispositif de freinage (50) qui est agencé sur la barre de guidage (26) juste en dessous de la position de déviation (3) et qui peut être activé par le dispositif de commande (70) en cas de défaillance d'alimentation en énergie électrique.
  4. Machine de texturation selon la revendication 3, caractérisée en ce que le dispositif de freinage (50) a un membre de blocage mécanique (52) qui est ajustable entre une position de déplacement libre pour la course libre du guide-fil d'application (6) et la position de parcage pour stopper le guide-fil d'application (6).
  5. Machine de texturation selon la revendication 4, caractérisée en ce que le membre de blocage (52) est ajustable de telle manière en direction de la position de parcage au moyen d'un générateur de force (57) que le membre de blocage (52) s'engage dans le trajet de l'élément coulissant (14).
  6. Machine de texturation selon la revendication 4 ou 5, caractérisée en ce qu'un ressort (55) avec une direction de force en position de déplacement libre agit sur le membre de blocage (52).
  7. Machine de texturation selon l'une des revendications 5 ou 6, caractérisée en ce que le générateur de force est une unité de cylindre et piston (57) et en ce que le membre de blocage (52) chargé par le ressort peut être déplacé en direction de la position de parcage au moyen d'un piston d'ajustement (58).
  8. Machine de texturation selon la revendication 7, caractérisée en ce que le membre de blocage (52) peut être déplacé dans une position d'attente et en ce que le membre de blocage (52) peut être fixé automatiquement dans la position d'attente au moyen d'un cran (64, 65), le membre de blocage (52) s'étendant partiellement dans le trajet de l'élément coulissant (14).
  9. Machine de texturation selon la revendication 8, caractérisée en ce que le cran (64, 65) peut être déverrouillé par un ajustement du membre de blocage (52) de la position d'attente vers la position de parcage.
  10. Machine de texturation selon la revendication 9, caractérisée en ce que l'ajustement du membre de blocage (52) peut être effectué par l'entraínement linéaire (5).
  11. Machine de texturation selon l'une des revendications 8 à 10, caractérisée en ce que l'unité de cylindre et piston (57) peut être soumise à la façon d'impulsions à l'action d'un fluide, de sorte que le piston d'ajustement extensible (58) déplace le membre de blocage (52) en direction de la position de parcage.
  12. Machine de texturation selon la revendication 11, caractérisée en ce que le piston d'ajustement (58) est extensible contre la direction de force d'un ressort (61).
  13. Machine de texturation selon l'une des revendications 4 à 12, caractérisée en ce que le membre de blocage est un cliquet (52) monté dans un joint rotatif (53), lequel cliquet (52) peut être pivoté entre la position de déplacement libre pour la course libre du guide-fil d'application (6) et la position de parcage pour le stoppage du guide-fil d'application (6).
  14. Machine de texturation selon la revendication 13, caractérisée en ce que le cliquet (52) présente une gorge (65) dans laquelle une contre-dépouille (64) du piston d'ajustement (58) peut s'engager à l'atteinte de la position d'attente et en ce que le cliquet (52) a une butée (66) inclinée par rapport à une surface de butée (67) de l'élément coulissant (14), laquelle butée (66) effectue un pivotement du cliquet (52) dans la position de parcage lorsque l'élément coulissant (14) est appliqué, la contre-dépouille (64) du piston d'ajustement (58) pouvant être désengagée.
  15. Machine de texturation selon l'une des revendications 1 à 14, caractérisée en ce que l'entraínement linéaire (5) peut être formé par un piston (7) guidé à l'air comprimé dans la barre de guidage qui est relié à l'élément coulissant (14) et qui dans son mouvement peut être commandé par une valve de commande (7).
  16. Machine de texturation selon la revendication 15, caractérisée en ce que le dispositif de commande (70) est relié à la valve de commande (2).
EP97113584A 1996-09-12 1997-08-06 Machine à texturation avec un guide-fil réglable en hauteur Expired - Lifetime EP0829562B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637059 1996-09-12
DE19637059 1996-09-12

Publications (3)

Publication Number Publication Date
EP0829562A2 EP0829562A2 (fr) 1998-03-18
EP0829562A3 EP0829562A3 (fr) 2000-10-18
EP0829562B1 true EP0829562B1 (fr) 2004-10-20

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ID=7805357

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EP97113584A Expired - Lifetime EP0829562B1 (fr) 1996-09-12 1997-08-06 Machine à texturation avec un guide-fil réglable en hauteur

Country Status (5)

Country Link
US (1) US5896976A (fr)
EP (1) EP0829562B1 (fr)
KR (1) KR19980024580A (fr)
DE (1) DE59712026D1 (fr)
TW (1) TW426762B (fr)

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CN1082022C (zh) * 1996-12-20 2002-04-03 巴马格股份公司 使筒管或卷筒在心轴上移动的推进装置
TW583357B (en) * 1998-05-22 2004-04-11 Barmag Barmer Maschf Texturing machine
EP1038058B1 (fr) * 1998-10-12 2006-07-05 Saurer GmbH & Co. KG Machine a texturer
EP1332102B1 (fr) * 2000-11-09 2005-12-21 Saurer GmbH & Co. KG Machine a texturer et procede pour etaler un fil en mouvement
FR2855189B1 (fr) * 2003-05-19 2005-07-15 Rieter Icbt Dispositif de reglage et de controle de la stabilite de l'equilibre de tension d'un fil synthetique
CN104726981A (zh) * 2015-01-07 2015-06-24 经纬纺织机械股份有限公司 全自动假捻变形机气动生头装置
CN114214762B (zh) * 2021-12-27 2023-03-07 浙江虞山纺织有限公司 一种加弹机

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DE59712026D1 (de) 2004-11-25
KR19980024580A (ko) 1998-07-06
EP0829562A3 (fr) 2000-10-18
EP0829562A2 (fr) 1998-03-18
US5896976A (en) 1999-04-27
TW426762B (en) 2001-03-21

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