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EP1028181B1 - Métier a filer centrifuge et procédé de filage centrifuge - Google Patents

Métier a filer centrifuge et procédé de filage centrifuge Download PDF

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Publication number
EP1028181B1
EP1028181B1 EP00100169A EP00100169A EP1028181B1 EP 1028181 B1 EP1028181 B1 EP 1028181B1 EP 00100169 A EP00100169 A EP 00100169A EP 00100169 A EP00100169 A EP 00100169A EP 1028181 B1 EP1028181 B1 EP 1028181B1
Authority
EP
European Patent Office
Prior art keywords
spinning
guide
yarn guide
yarn
rotor
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
EP00100169A
Other languages
German (de)
English (en)
Other versions
EP1028181A1 (fr
Inventor
Karl-Heinz Bruss
Karl Koltze
Michael Sopala
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
W Schlafhorst AG and Co
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 W Schlafhorst AG and Co filed Critical W Schlafhorst AG and Co
Publication of EP1028181A1 publication Critical patent/EP1028181A1/fr
Application granted granted Critical
Publication of EP1028181B1 publication Critical patent/EP1028181B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D01H1/08—Spinning or twisting machines in which the product is wound-up continuously cup, pot or disc type, in which annular masses of yarn are formed by centrifugal action

Definitions

  • the invention relates to a centrifuge spinning machine for Manufacture of yarn with the in the preamble of claim 1 mentioned features and a method for Centrifugal spinning of yarn with the in the preamble of Claim 9 mentioned features.
  • centrifuge or pot spinning machine and a method of the generic type are known, for example, from DE 42 08 039 A1 and DE 43 24 039 A1 or US Pat. No. 3,314,223 A.
  • Centrifugal spinning machines of this type generally comprise a large number of spinning positions, each of which has a spin pot (centrifuge) which can be set in rotation.
  • Such spinning stations are fed via a sliver drafting device, preferably a drafting device, sliver which is spun into a thread under the action of the spinning pot rotating about its central axis.
  • the thread passes through a tubular thread guide and exits at its mouth, forming a thread leg.
  • the thread is deposited in layers on the inner wall of the spinning pot as a so-called spinning cake. This placing of the spinning cake takes place by generating a relative movement between the thread guide and the spinning pot in the axial direction.
  • This relative movement also referred to as a traversing movement, is generated by a drive device for the thread guide and
  • a ring spinning device is known from DE 41 02 549 A1, with a drive device for generating an axial relative movement between a rotor rotating on a spinning ring and a yarn carrier arranged on a spindle bench.
  • the drive device comprises, for example, a lifting carriage which can be displaced by a spindle arrangement.
  • the spindle is preferably driven by an electric motor.
  • it is disadvantageous that a relatively complicated arrangement has to be provided which requires a relatively large installation space.
  • the exposed drive spindle requires a relatively high level of maintenance, since, particularly in the fiber flight environment of a spinning mill, it has a strong tendency to flow.
  • the invention has for its object a device and to create a process with which in a simple manner a relative movement between a thread guide and a Spinning pot is achievable.
  • the drive device is an electric motor
  • the Rotor is directly operatively connected to the thread guide
  • the rotor is a cylinder that the Thread guide takes form-fitting.
  • This will in a particularly simple way of transferring the Driving energy of the electric motor on the thread guide possible because the rotor of the electric motor directly on the Thread guide works.
  • it becomes a very accurate one Positioning of the thread guide possible because of the absence tolerance errors of intermediate transmission elements, Slip errors or the like can be avoided.
  • the electric motor is a stepper motor (Claim 5).
  • This can be defined by appropriate Control of the stepper motor an exact positioning or exact axial displacement of the thread guide can be realized relative to the spinning pot.
  • the stepper motor is controlled proportionally Shifting the thread guide so that the on the inner circumference of the Spinnkuchen deposited spinning pot through a uniform thread position.
  • the object is further achieved by a method solved with the features mentioned in claim 9.
  • a spinning station 10 of a centrifuge or pot spinning machine is shown. Centrifugal spinning machines generally have a large number of such spinning stations 10, which are arranged either in rows or in rings next to one another. Each spinning station 10 has a centrifuge spinning device 12, which is shown in FIG. 1 in a schematic longitudinal section.
  • the centrifuge spinning device 12 comprises a rotatably mounted, drivable spin pot (centrifuge) 14, in the interior 16 of which a thread guide 18 engages.
  • the longitudinal axis 22 of the thread guide 18 coincides with the axis of rotation 24 of the spinning pot 14.
  • a roving 26 'stretched in a drafting device 32 can be introduced into the spinning centrifuge 14 by the thread guide 18 and is subsequently spun into a thread 26 under the action of the rotating spinning centrifuge 14.
  • the thread 26 emerging from the thread guide opening 36 while forming a thread leg 28 is deposited as a so-called spin cake 20 on the inner wall 30 of the spinning centrifuge 14.
  • a drive device 38 is assigned to the thread guide 18, by means of which an axial relative movement of the thread guide 18 and thus its mouth 36 to the spinning centrifuge 14 can be predetermined.
  • the relative movement of the thread guide 18 takes place on the one hand in an oscillating manner, on the other hand the thread guide 18 is constantly shifted somewhat downwards, so that the spinning cake 20 is given a so-called cop winding.
  • the drive device 38 is preferably designed as a stepper motor 40 which can be controlled via a control device 42.
  • the stepper motor 40 comprises a stationary stator 44 and a rotor 46 arranged inside the stator.
  • the structure and mode of operation of stepper motors 40 are generally known, so that this description is not intended to be discussed in greater detail here.
  • the rotor 46 is designed as a cylinder 48 which has an internal thread 50.
  • the internal thread 50 meshes with an external thread 52 of the thread guide 18.
  • the meshing threads 50 and 52 lead to an interlocking operative connection between the drive device 38 and the thread guide 18.
  • the thread guide 18 itself is in this case by an anti-rotation device 58, which is shown in more detail in FIG. 2 is fixed against rotation.
  • the spinning centrifuge 14 is rotated about the axis of rotation 24 at high speed by an electromotive drive device 64.
  • roving 26 ' which was previously drawn, for example, in a drafting device 32, is fed into the spinning centrifuge 14 via a thread guide 18.
  • the roving emerging from the thread guide orifice 36 rests against the inner wall 30 of the spinning centrifuge 14 under the effect of the rotating flow circulating in the spinning centrifuge 14 and is thereby spun into a thread 26.
  • the thread 26 forming a circumferential thread leg 28 between the thread guide mouth 36 and the inner wall 30 of the spinning centrifuge 14 is attached to the inner wall 30 of the spinning pot 14 and forms a so-called spinning cake 20 there.
  • the thread 26 is placed on the inner wall 30 of the spin pot 14 in the manner of a cop winding. That is, as is known per se, the thread guide 18 is always shifted back and forth by a certain, constant stroke and at the same time is continuously shifted slightly downward with respect to the rotating spinning pot 14. As a result, the mouth 36 of the thread guide 18 is also displaced relative to the inner wall 30 of the spin pot 14, so that the contact area of the thread leg 28 varies accordingly.
  • the thread depositing technique described above which leads to the formation of a spool cake 20 that can be easily rewound, is specified via the control device 42, which takes over a correspondingly manually specifiable or programmable control of the drive device 38 via a computing unit.
  • the stepping motor 40 Corresponding to the actuation of the drive device 38, here the stepping motor 40, its rotor 46, that is to say the cylinder 48, rotates so that it is due to the positive connection between the internal thread 50 of the rotor 46 and the external thread 52 against rotation by means of an anti-rotation device 58 fixed thread guide 18 comes to an axial displacement of the thread guide 18.
  • the anti-rotation device 58 can, as indicated in FIG. 2, consist of a longitudinal groove 60 in the area of the external thread 52 of the thread guide 18 and securing element 62.
  • the securing element 62 which is fixed, for example, in a rotationally fixed manner on the stator 44 of the stepping motor 40, thereby fits into the longitudinal groove 60.
  • the drive device 38 the thread guide 18th almost encompasses, there is only an extremely small amount of space available Arrangement of the drive device 38 necessary. Furthermore, hereby achieved that the actuator, here the rotor 46, directly is operatively connected to the thread guide 18. hereby the arrangement of intermediate transmission members is not necessary. The driving force can thus be immediate and be initiated precisely. At the same time it is achieved that the drive device 38 the storage of the thread guide 18th takes over. This is practically flying through the Drive device 38 mounted so that on the additional Arrangement of additional bearings or the like can be dispensed with can.
  • the centrifuge spinning device 12 is also a cover 54 assigned on the one hand to the drive device 38 and on the other hand at the upper end of the thread guide 18th supported.
  • the cover 54 has one flexible cylindrical sheath 56 which the thread guide 18th engages above the drive device 38.
  • the wrapping 56 is used, for example, by a so-called bellows educated.
  • the cover 54 ensures a seal of the positive connection between the thread guide 18 and of the drive device 38. This in particular avoided that during operation of the Centrifuge spinning devices 12 more or less inevitable fiber fly or the like one Impairment of the function of the drive device 38 could cause. Due to the flexibility of the casing 56 can the cover 54 of the lifting movement of the thread guide 18 without more to follow. The seal is thus during everyone Operating phase of the centrifuge spinning device 12 guaranteed.
  • the positive connection between the Drive device 38 and the thread guide 18 also in this way be designed so that the drive device 38, for example is designed as a traveling wave motor, the actuator in Friction with the thread guide 18 is. This will also an immediate, that is, in a simple manner direct transmission of the drive energy to the thread guide 18 possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Centrifugal Separators (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Moulding By Coating Moulds (AREA)

Claims (8)

  1. Métier à filer centrifuge comprenant au moins un poste de filage qui présente . un pot (14) pouvant être déplacé en rotation, un guide-fil (18) pouvant être chargé en mèches, ainsi qu'un dispositif d'entraínement (38) pour produire un mouvement relatif axial entre le guide-fil (18) et le pot (14), sachant qu'un fil sortant du guide-fil peut être déposé en tant que gâteau (20) sur la paroi intérieure du pot (14) et que le fil (26) guidé dans le guide-fil (18) passe par l'axe de rotation d'un rotor (46) du dispositif d'entraínement (38), caractérisé en ce que le dispositif d'entraínement (38) est un moteur électrique dont le rotor (46) est directement en liaison active avec le guide-fil (18).
  2. Métier à filer centrifuge selon la revendication 1, caractérisé en ce que le rotor (46) est un cylindre (48) qui renferme le guide-fil (18) par engagement positif.
  3. Métier à filer centrifuge selon la revendication 2, caractérisé en ce que le cylindre (48) comporte un taraudage (50) engrenant avec un filetage (52) du guide-fil (18).
  4. Métier à filer centrifuge selon l'une des revendications précédentes, caractérisé en ce que le moteur électrique est un moteur pas à pas (40).
  5. Métier à filer centrifuge selon l'une des revendications précédentes, caractérisé en ce que le guide-fil (18) est guidé dans le dispositif d'entraínement (38) en étant mobile axialement et immobilisé en rotation par une sécurité anti-rotation (58).
  6. Métier à filer centrifuge selon l'une des revendications précédentes, caractérisé en ce qu'un capot (54) est associé au dispositif d'entraínement (38) pour le protéger des fibres en suspension dans l'air ou analogue.
  7. Métier à filer centrifuge selon la revendication 6, caractérisé en ce que le capot (54) est une enveloppe cylindrique flexible (46) qui entoure le guide-fil (18) au moins partiellement.
  8. Procédé pour le filage centrifuge de fil, selon lequel une mèche est introduite par le biais d'un guide-fil (18) dans un pot de filage (14) entraíné en rotation et déposée sur la paroi intérieure du pot (14), sachant que pour réaliser un gâteau (20), le guide-fil (18) est déplacé axialement par rapport au pot (14) par un dispositif d'entraínement, sachant que le fil guidé dans le guide-fil passe par l'axe de rotation d'un rotor d'un dispositif d'entraínement, caractérisé en ce que, pour donner au guide-fil un mouvement axial, celui-ci est directement sollicité par la force motrice d'un rotor (46) d'un moteur électrique, lequel rotor est en liaison active avec ledit guide-fil.
EP00100169A 1999-02-12 2000-01-11 Métier a filer centrifuge et procédé de filage centrifuge Expired - Lifetime EP1028181B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19905859 1999-02-12
DE19905859A DE19905859A1 (de) 1999-02-12 1999-02-12 Zentrifugenspinnmaschine und Verfahren zum Zentrifugenspinnen

Publications (2)

Publication Number Publication Date
EP1028181A1 EP1028181A1 (fr) 2000-08-16
EP1028181B1 true EP1028181B1 (fr) 2003-06-25

Family

ID=7897280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00100169A Expired - Lifetime EP1028181B1 (fr) 1999-02-12 2000-01-11 Métier a filer centrifuge et procédé de filage centrifuge

Country Status (7)

Country Link
US (1) US6240715B1 (fr)
EP (1) EP1028181B1 (fr)
JP (1) JP2000234221A (fr)
CN (1) CN1263905C (fr)
AT (1) ATE243785T1 (fr)
DE (2) DE19905859A1 (fr)
TR (1) TR200000389A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258261A1 (de) 2002-12-13 2004-06-24 Saurer Gmbh & Co. Kg Spinnbalken
JP6402891B2 (ja) * 2014-03-06 2018-10-10 Toto株式会社 リモコン装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH323562A (de) * 1954-09-08 1957-08-15 Spinnerei Karl Marx Veb Linear geführte Changiervorrichtung für Zentrifugen-Kunstseide-Spinnmaschinen
NL132553C (fr) * 1962-10-30 Bobkowicz E
DE4102549A1 (de) 1991-01-29 1992-07-30 Schlafhorst & Co W Verfahren und vorrichtung zum spinnen eines garns
DE4103771A1 (de) * 1991-02-08 1992-08-13 Schlafhorst & Co W Verfahren und einrichtung zum herstellen eines fadens nach dem zentrifugenspinnverfahren
DE4208039C2 (de) 1992-03-13 2002-01-17 Schlafhorst & Co W Topfspinnvorrichtung
DE4236379C2 (de) * 1992-10-28 2001-10-18 Schlafhorst & Co W Verfahren und Vorrichtung zum Umspulen von Garn in einer Topfspinnvorrichtung
DE4324039A1 (de) 1993-07-17 1995-01-19 Schlafhorst & Co W Transportsystem an einer Topfspinnmaschine
DE19548675A1 (de) * 1995-12-23 1997-06-26 Csm Gmbh Changiervorrichtung

Also Published As

Publication number Publication date
US6240715B1 (en) 2001-06-05
EP1028181A1 (fr) 2000-08-16
TR200000389A3 (tr) 2000-09-21
DE19905859A1 (de) 2000-08-17
CN1263905C (zh) 2006-07-12
CN1263174A (zh) 2000-08-16
DE50002624D1 (de) 2003-07-31
JP2000234221A (ja) 2000-08-29
ATE243785T1 (de) 2003-07-15
TR200000389A2 (tr) 2000-09-21

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