EP0393330B1 - Procédé pour faire fonctionner un métier à filer et métier à filer pour la mise en oeuvre de ce procédé - Google Patents

Procédé pour faire fonctionner un métier à filer et métier à filer pour la mise en oeuvre de ce procédé Download PDF

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Publication number
EP0393330B1
EP0393330B1 EP90103776A EP90103776A EP0393330B1 EP 0393330 B1 EP0393330 B1 EP 0393330B1 EP 90103776 A EP90103776 A EP 90103776A EP 90103776 A EP90103776 A EP 90103776A EP 0393330 B1 EP0393330 B1 EP 0393330B1
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EP
European Patent Office
Prior art keywords
spinning machine
steps
spindles
movement
ring rail
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
EP90103776A
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German (de)
English (en)
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EP0393330A1 (fr
Inventor
Herbert Dipl.-Ing. Reyer
Peter Dipl.-Ing. Thomas (Fh)
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
Zinser Textilmaschinen GmbH
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Publication date
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Publication of EP0393330A1 publication Critical patent/EP0393330A1/fr
Application granted granted Critical
Publication of EP0393330B1 publication Critical patent/EP0393330B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position

Definitions

  • the invention relates to a method for operating a spinning machine which produces cops with a coil winding wound on spool sleeves attached to driven spindles, in which a ring bench is driven to move up and down with a superimposed, step-by-step stroke movement, and in which the spindles Speeds are driven, which are lower at the beginning of the winding process and towards the end of the winding process than in a central area, and a spinning machine for performing the method.
  • the aim is to run a spinning machine, in particular a ring spinning machine, as fast as possible.
  • the limits of the speed are usually set by the frequency of the thread breaks occurring.
  • thread breaks occur more frequently than in the central area, so that lower speeds have to be worked in this initial area in order to increase the number of thread breaks within an acceptable range hold.
  • thread breaks occur more frequently towards the end of the winding process, so that lower spindle speeds must also be used in this area. In this way, the highest production speed can be achieved with a reasonable number of thread breaks.
  • the invention has for its object to provide a method and a device of the type mentioned, in which a perfect cop construction and a high degree of filling of the cops is obtained even at the optimized production speed.
  • This object is achieved in that the lifting movement of the ring bench is carried out with shortened steps in the central region of the winding process during the increased spindle speeds, in such a way that a constriction is avoided in the central region of the coil winding.
  • the invention is based on the knowledge that, because of the increased spindle speeds in the central area of the winding process, increased thread tensions occur, which lead to constriction of the cops in this central area.
  • This constriction creates a bobbin shape which, with the same thread length, has a smaller volume than a corresponding bobbin without constriction.
  • the resulting free space can now be filled up according to the invention by additional winding, so that a maximum degree of filling of the cops and thus maximum wound thread length is given.
  • the change in the lifting movement of the ring bench slows down the upstream connection of the ring bench in this area, so that this area, which would otherwise have a constriction, is filled with thread.
  • a spinning machine in which the ring bench is provided with a drive which contains means for changing the size of the steps of the lifting movement of the ring bench during the operation of the spinning machine, the means being one of the steps of the lifting movement at high Control device shortening spindle speeds is connected, which can control these steps in such a way that a constriction in the central region of the bobbin winding can be avoided.
  • ring banks (10, 11) of a right and a left machine side of a ring spinning machine are shown.
  • the ring banks (10, 11) are arranged on vertical spindles (14, 15) with spindle nuts (12, 13).
  • the spindles (14, 15) are non-rotatably connected to helical gears (16) and those to helical gears (17) are engaged, which are arranged on shafts (19, 20) running horizontally in the longitudinal direction of the machine, ie parallel to the ring banks (10, 11).
  • the shafts (19, 20) are driven by a drive motor (21) via a switchable gear transmission (22) which contains two clutches (23, 24) which determine the respective direction of rotation and thus an upward or downward movement of the ring banks (10, 11 ) determine. With this drive the ring banks (10, 11) can thus be driven to move up or down.
  • a high-resolution incremental encoder (26) is provided, which is driven by the shaft (20) by means of a pair of gearwheels (25).
  • the incremental encoder (26) emits a large number of pulses during a movement through a certain angle of rotation.
  • a further incremental encoder (27) is provided as a displacement encoder, which is only shown in dashed lines in the drawing, since its function can in principle also be taken over by the incremental encoder (26).
  • the incremental encoder (27) is designed such that it indicates the absolute height position of the ring banks (10, 11) compared to a starting position serving as a reference variable, for example the height position of the ring banks (10, 11), which assume the lowest position at the start of the winding process .
  • the drive of the ring banks (10, 11) is controlled by means of a control device (30) shown schematically in Fig. 2 so that there is a bobbin winding in which the wound thread is wound in a plurality of overlapping conical layers.
  • the control device (30) switches the drive in such a way that an up and down movement of the ring rail is carried out, which is superimposed on a gradual lifting movement. This happens in the way that the pulses emitted by the incremental encoder (26) are counted during movement by a first counter (28), a (+) counter, which is set to a preselected number of counting pulses.
  • the latter sends a signal to a processor (31) while at the same time the counter content of the counter (28) is deleted.
  • the processor (31) via an actuator (32) opens the clutch (23), which was switched on for the movement.
  • the processor (31) causes the previously opened clutch (24) to close via an actuator (33), so that the ring banks (10, 11) are then switched over to the downward movement.
  • the pulses emitted by the incremental encoder (26) during the movement are counted by a second counter (29), a (-) counter, which is set to a preselected number of pulses.
  • the counter (29) sends a signal to the processor (31) while at the same time its counter content is deleted.
  • the processor (31) then causes the actuators (32, 33) to switch the clutches (23, 24) in such a way that the ring banks (10, 11) are then driven to move up again.
  • a spinning program is stored in the processor (31), for example via an input unit (not shown).
  • This spinning program which is selected and set in accordance with the fiber material to be processed, the yarn to be spun and other parameters, determines the number of pulses preselected with the counters (28, 29) at which the changeover signal is triggered. These pulse numbers are determined in such a way that the pulse number of the upward movement is greater than the pulse number of the downward movement, so that the ring banks (10, 11) are gradually shifted in height.
  • the pulses emitted by the incremental encoder (26) are fed to a further counter (34) which counts both the impulses during the upward movement and those during the downward movement.
  • This Counter (34) is connected to a memory (35) which retains its contents even when the ring spinning machine is switched off or in the event of a power failure.
  • the memory (35) is connected to the processor (31) which, before resuming the winding process after a standstill, queries the already counted number of pulses from the memory (35). On the basis of this number of impulses, it is possible to determine exactly the point in the spinning program at which the operation was interrupted. The spinning program can then be continued at this point when resuming.
  • the spindles are operated over the entire working range (A) of the winding process (FIG. 3) at speeds specified according to a spinning program.
  • the spindles are driven by tangential belts, which are preferably divided into several fields distributed over the length of the ring spinning machine, each of which has its own drive motor.
  • the individual spindles are driven by individual motors. In all cases, however, it is provided that all spindles always have the same speed, which is achieved, for example, via a frequency control when several drive motors are provided.
  • the course of the speed (n) of the spindles is shown in Figure 3 over time (t).
  • the speed (s) of the spindles gradually increases at the beginning of the winding process and in the middle area also remain essentially at constant high speed values.
  • the speed (n) of the spindles is then reduced again, whereby it can still remain at a value which is higher than the initial speed.
  • the curve of the spindle speed is shown with the curve (36).
  • Constriction caused by the increased thread tension is compensated for by the fact that the lifting steps are reduced in the central area of the winding process (A), so that the lifting movement is slowed down. This is done by preselecting the number of pulses to be counted by the counters (28, 29). The difference between the preselected pulse numbers to be counted is reduced, so that the individual layers of the coil winding connect closer together in the axial direction and form a coil (37) corresponding to the shape shown in FIG. 4.
  • this shortening of the length of the lifting steps can take place in one step in such a way that, for example, the incremental encoder (27), which is designed as an absolute encoder, with a predetermined stroke in the height position (39 ) a corresponding signal is sent to the processor (31), which then causes the counters (28, 29) to be adjusted in the sense of a reduced difference in the number of pulses to be counted.
  • a corresponding signal can then be given by the incremental encoder (27) at a height position (40), by means of which the difference between the number of pulses to be counted by the counters (28, 29) is reset to the previous value.
  • the dotted line (42) it is of course also possible to adjust this stroke step by changing the difference in the number of pulses to be counted a variety of steps. It is thus possible to very closely approximate the ideal course shown by the solid line (43).
  • a corresponding time control can also be carried out via a timing element of the control device (30), since a certain time period also has a specific position in the work area (A ) is assigned to the winding process. It is also possible to detect the spindle speed (n) by means of a speed sensor and send a corresponding signal to the control device (30), i.e. to give the processor (31), which then changes the size of the steps of the lifting movement of the ring banks (10, 11) accordingly in the speed curve of the spindles.
  • the present invention has been explained on the basis of a spinning machine, in which ring banks (10, 11) are provided which guide runners in rings, which each determine the point at which the thread runs onto the cops (37).
  • the invention can of course also be realized in so-called bell spinning machines, in which the ring rail and the runners are replaced by bells which, in accordance with the ring rail, perform an up and down movement with a superimposed lifting movement and the thread on the lower edge thereof the cops runs.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (8)

  1. Procédé pour faire fonctionner un métier à filer produisant des canettes avec un bobinage à fils croisés et pointes coniques enroulé sur des douilles montées sur des broches entraînées, à l'aide duquel est entraîné un banc porte-anneaux pour le déplacement vers le haut et le bas avec un mouvement de levage conjugué réalisé par pas et sur lequel les broches sont entraînées avec des vitesses qui au début du procédé d'enroulement et vers la fin du procédé d'enroulement sont plus lentes que dans une phase médiane, caractérisé en ce que dans la phase médiane du procédé d'enroulement pendant la vitesse plus élevée de la broche le mouvement de levage du banc porte-anneaux s'effectue avec des pas raccourcis de manière que dans la phase médiane du bobinage à fils croisés et pointes coniques un étranglement est évité.
  2. Procédé selon la revendication 1, caractérisé en ce que le raccourcissement des pas du mouvement de levage et l'agrandissement ultérieur s'effectuent respectivement en au moins une étape.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la modification de la longueur des pas du mouvement de levage s'effectue respectivement simultanément et en sens inverse avec la modification de la vitesse des broches.
  4. Métier à filer pour la production de canettes avec un bobinage à fils croisés et pointes coniques enroulé sur des douilles montées sur des broches entraînées avec un banc porte-anneaux commandé par des moyens d'entraînement pour le déplacement vers le haut et vers le bas et un mouvement de levage conjugué exécuté en pas et des moyens d'entraînement entraînant avec les broches, pour lequel est prévue une commande de vitesse affectant des vitesses de broche plus réduites au début du procédé d'enroulement et vers la fin du procédé d'enroulement que dans la phase médiane, caractérisé en ce que le banc porte-anneaux (10, 11) est équipé d'une commande comprenant des moyens (23, 24) pour modifier la grandeur des pas du mouvement de levage du banc porte-anneaux (10, 11) pendant le fonctionnement du métier à filer et que les moyens (23, 24) sont raccordés à un dispositif de commande (30) réduisant les pas du mouvement de levage pendant de hautes vitesses (n) de la broche et pouvant commander ces pas de manière à éviter un étranglement dans la zone moyenne du bobinage à fils croisés et pointes coniques.
  5. Métier à filer selon la revendication 4, caractérisé en ce que le dispositif de commande (30) est relié avec un capteur de position (26, 27) affecté au banc porte-anneaux (10, 11) et décelant sa position en hauteur.
  6. Métier à filer selon la revendication 4 ou 5, caractérisé en ce que le dispositif de commande (30) comporte des compteurs (28, 29) réglables, la différence des impulsions de comptage desquels étant une cote pour le déplacement en élévation des bancs porte-anneaux (10, 11).
  7. Métier à filer selon l'une des revendications 4 à 6, caractérisé en ce que le dispositif de commande (30) contient une minuterie.
  8. Métier à filer selon l'une des revendications 4 à 7, caractérisé en ce que un transmetteur de vitesse conjugué à l'entraînement des broches est branché sur le dispositif de commande (30).
EP90103776A 1989-04-17 1990-02-27 Procédé pour faire fonctionner un métier à filer et métier à filer pour la mise en oeuvre de ce procédé Expired - Lifetime EP0393330B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912592A DE3912592A1 (de) 1989-04-17 1989-04-17 Verfahren zum betreiben einer spinnmaschine und spinnmaschine zum durchfuehren des verfahrens
DE3912592 1989-04-17

Publications (2)

Publication Number Publication Date
EP0393330A1 EP0393330A1 (fr) 1990-10-24
EP0393330B1 true EP0393330B1 (fr) 1994-05-18

Family

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Application Number Title Priority Date Filing Date
EP90103776A Expired - Lifetime EP0393330B1 (fr) 1989-04-17 1990-02-27 Procédé pour faire fonctionner un métier à filer et métier à filer pour la mise en oeuvre de ce procédé

Country Status (4)

Country Link
US (1) US5109660A (fr)
EP (1) EP0393330B1 (fr)
JP (1) JPH02293418A (fr)
DE (2) DE3912592A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4013325B2 (ja) * 1998-04-28 2007-11-28 株式会社豊田自動織機 紡機の管糸成形方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE267273C (fr) *
DE267272C (fr) *
DE267271C (fr) *
DE267194C (fr) *
US678408A (en) * 1897-03-06 1901-07-16 Wilhelm Lengweiler Ring-spinning machine.
US726570A (en) * 1902-02-15 1903-04-28 Patrick Purcell Yarn-guide-controlling mechanism for bobbin or cop builders.
US1091015A (en) * 1911-05-05 1914-03-24 Draper Co Building-motion for ring-spinning machines.
US1095458A (en) * 1912-05-18 1914-05-05 William Cuttill Spinning machinery.
US1141876A (en) * 1912-08-08 1915-06-01 Charles D Lanning Winding mechanism for forming yarn or thread packages.
DE1006765B (de) * 1952-06-16 1957-04-18 Luigi Vella Verfahren zum Verspinnen einer Faserlunte auf einer Ringspinnmaschine mit bewegter Ringbank sowie Vorrichtung zur Ausfuehrung des Verfahrens
US3130930A (en) * 1961-05-29 1964-04-28 Whitin Machine Works Builder apparatus
US3347475A (en) * 1965-02-26 1967-10-17 Monsanto Co Yarn traversing mechanism
DE1560325A1 (de) * 1966-04-23 1970-09-17 Pkm Hydraulik Karl Marx Stadt Steuervorrichtung fuer Aufwindeeinrichtungen an Spinn-,Zwirn- und Streckzwirnmaschinen
US3477654A (en) * 1967-08-01 1969-11-11 American Cyanamid Co Selectively variable winding pattern control apparatus for thread winders
FR2141516A1 (en) * 1971-06-03 1973-01-26 Socitex Yarn winding machine - for producing bi-conical packages on cops
IT1098143B (it) * 1978-08-24 1985-09-07 Snia Viscosa Procedimento e dispositivo per il "confezionamento" di filati avvolti attorno a supporti cilindrici ("cops") e relativi cops confezionati
DE2847654A1 (de) * 1978-11-02 1980-05-14 Evolution Sa Aufwindevorrichtung zum aufwinden eines fadens auf eine spule bei spinn- und zwirnmaschinen
DE2927616A1 (de) * 1979-07-07 1981-01-29 Zinser Textilmaschinen Gmbh Verfahren zum beendigen des fadenaufwindens an ringspinn- oder ringzwirnmaschinen und ringspinn- oder ringzwirnmaschine
DE3706513A1 (de) * 1986-03-01 1987-09-03 Toyoda Automatic Loom Works Hubmechanismus fuer eine laufring-textilmaschine
DE3717749A1 (de) * 1987-05-26 1988-12-15 Zubler Geraetebau Verfahren zur aktiven fadenbruchverhinderung an spinn-, zwirn- und spulmaschinenantrieben sowie deren vollautomatisches ausregeln auf maximale produktionsdrehzahlen
DE3732052A1 (de) * 1987-09-23 1989-04-06 Zinser Textilmaschinen Gmbh Hubvorrichtung fuer ringbaenke und fuer baenke fuer balloneinengungsringe und/oder fadenfuehrerbaenke einer ringspinn- oder zwirnmaschine
EP0321124A3 (fr) * 1987-12-04 1990-11-14 Daishin Denko Company Limited Moyen et appareil de commande de vitesse pour un appareil de traitement de matière à processus répétitif
DD267194B1 (de) * 1987-12-24 1993-06-09 Chemnitzer Spinnereimaschinen Schaltungsanordnung zum steuern und/oder regeln des antriebs einer ringspinn- oder ringzwirnmaschine

Also Published As

Publication number Publication date
US5109660A (en) 1992-05-05
JPH02293418A (ja) 1990-12-04
DE59005705D1 (de) 1994-06-23
DE3912592A1 (de) 1990-10-18
EP0393330A1 (fr) 1990-10-24

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