EP0701014A2 - Procédé pour rattacher un fil dans un dispositif pour fabriquer un retors dans un processus filature, torsion ainsi que dispositif pour réaliser le procédé - Google Patents

Procédé pour rattacher un fil dans un dispositif pour fabriquer un retors dans un processus filature, torsion ainsi que dispositif pour réaliser le procédé Download PDF

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Publication number
EP0701014A2
EP0701014A2 EP95108575A EP95108575A EP0701014A2 EP 0701014 A2 EP0701014 A2 EP 0701014A2 EP 95108575 A EP95108575 A EP 95108575A EP 95108575 A EP95108575 A EP 95108575A EP 0701014 A2 EP0701014 A2 EP 0701014A2
Authority
EP
European Patent Office
Prior art keywords
thread
spinning
axis
piecing
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.)
Granted
Application number
EP95108575A
Other languages
German (de)
English (en)
Other versions
EP0701014B1 (fr
EP0701014A3 (fr
Inventor
Ulrich Dr. Ballhausen
Guido Spix
Wilfried Rütten
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.)
Volkmann GmbH and Co KG
Original Assignee
Palitex Project Co GmbH
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 Palitex Project Co GmbH filed Critical Palitex Project Co GmbH
Publication of EP0701014A2 publication Critical patent/EP0701014A2/fr
Publication of EP0701014A3 publication Critical patent/EP0701014A3/fr
Application granted granted Critical
Publication of EP0701014B1 publication Critical patent/EP0701014B1/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
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/90—Arrangements with two or more spinning or twisting devices of different types in combination
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D01H15/007—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing for two-for-one twisting machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D01H4/50—Piecing arrangements; Control therefor for rotor spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist

Definitions

  • the invention relates to a method for piecing a thread in a device for producing a thread in an integrated spinning-twisting process, the device having the features from the preamble of claim 1.
  • the invention further relates to an apparatus for performing this method.
  • a device for producing a thread in an integrated spinning-twisting process having at least one drivable spindle rotor mounted rotatably in a machine frame and a spindle hollow axis, to which an in connects essentially radially outward thread guide channel for a thread, which, after emerging from the thread guide channel with balloon formation, is guided to a centering point located in the extension of the spindle hollow axis and then withdrawn.
  • the device also has a device for feeding dissolved fiber material into the space defined by the thread balloon.
  • two rotor spinning units are arranged next to each other and symmetrically to the hollow spindle axis with spinning rotors open to the top, to which the fiber material is fed and from which the generated spinning threads are removed and deflected in their direction of movement by 180 ° and jointly in the spindle hollow axis are inserted.
  • a very important process in such a device is the piecing process when the device is started for the first time.
  • Known piecing devices for the production of a single filament by means of a rotor spinning unit work with an auxiliary thread or the end of the spun thread, which is fed with the aid of a suitable automatic system through the central filament channel to the spinning rotor until its end touches the fibers in the rotor groove spins in order to be pulled back by a reversal in the automatic system, whereby the continuous spinning process is initiated and continues.
  • a forward and backward movement of the piecing thread piece is therefore necessary for the usual piecing technique.
  • the invention has for its object to provide a method and a device by means of which the piecing process can be carried out in a simple manner without extensive mechanics and without its own reversing device in a device for producing a thread in an integrated spinning-twisting process of the type described above .
  • a device for performing the method according to the invention is the subject of claim 3.
  • Advantageous further developments of this device are described in subclaims 4 to 15.
  • the invention is based on the basic idea of initiating the piecing process in such a way that two piecing thread strands are threaded into the usual thread path of the double-wire twisting spindle for piecing. This can be done manually with the help of a mechanical threader or by known methods and devices of pneumatic threading. Each of the two piecing thread strands threaded in this way is then guided from above from the upper end of the hollow spindle axis over a partial circumference of a guide element and via a storage element into the respective spinning rotor. A thread loop of a predetermined length is stored in the storage element. This makes it possible that when the spinning rotor starts up, this stored thread loop is first drawn out of the storage element into the spinning rotor. The thread loop is finally released by the storage element and after piecing the piecing thread strand together with the pieced spinning thread can be guided out of the spinning rotor and reversed over the guide element to the hollow spindle axis.
  • the method according to the invention can be carried out in a very simple manner with a piecing device by using a freely rotating storage wheel as the storage element, which has a thread running groove and therein a clamping hook for fixing and clamping the thread loop mentioned above.
  • a freely rotating storage wheel as the storage element, which has a thread running groove and therein a clamping hook for fixing and clamping the thread loop mentioned above.
  • only the thread loop needs to be guided over part of the circumference of the storage wheel and hooked into the clamping hook.
  • the piecing thread strand lies on the guide element, which is designed, for example, as a freely rotating deflection roller, through which the piecing thread strand and spinning thread are fed to the spindle hollow axis after the direction is reversed.
  • the filaments unite in the hollow spindle axis and the twisting process is initiated.
  • a device for producing a thread in an integrated spinning-twisting process which is constructed as a double-wire twisting spindle, is initially described below with reference to FIG. 1, the parts of the device relating to piecing being initially omitted.
  • a hollow shaft 23 is rotatably mounted in a machine frame represented by a spindle bank 21 by means of a bearing block 22, the outer, that is to say the lower end of which can be connected to a suction air source (not shown).
  • a balloon limiter pot 7 is fastened to the outer circumference of the spindle rotor disk 26, in the wall thereof a thread guide tube 3 is guided upwards, which connects with its lower end to the thread guide channel 27 and from whose upper end the thread F3 emerges towards the centering point 37.
  • a thread guide tube 3 is guided upwards, which connects with its lower end to the thread guide channel 27 and from whose upper end the thread F3 emerges towards the centering point 37.
  • In the inner end of the thread guide channel 27 opens as part of the spindle hollow axis a bent at its lower end thread guide tube 29 which is inserted into the hollow shaft 23 that 29 air channels 30 remain free between the hollow shaft and the thread guide tube.
  • the spindle rotor is now overall essentially formed by the following elements: hollow shaft 23, spindle rotor disk 26, balloon limiter pot 7 with thread guide tube 3 and thread guide tube 29.
  • a substantially closed inner housing 12 is secured, which is secured against rotation via permanent magnet pairs 51, 52 and which essentially has the shape of a cylinder with a bottom 12.1, an outer wall 12.2 and a cover 12.3 .
  • two rotor spinning devices R1 and R2 are accommodated, whose spinning rotors 1 and 2 point upwards and are driven by means of a drive belt 9 from a motor not shown in FIG.
  • the fiber material feed pipes 5 and 6 which open into the spinning rotors 1 and 2 are guided through the cover 12.3.
  • thread take-off tubes 31 and 32 are guided through the cover 12.3 coaxially above the spinning rotor axes, through which the spinning threads F1 and F2 produced in the spinning rotors 1 and 2 are drawn off before they run in through the upper inlet end 11a of the downwardly directed hollow spindle axis 11, which opens with the interposition of, for example, an annular gap seal 33 in the upper end of the thread guide tube 29.
  • the hollow shaft 23 At the inner end of the hollow shaft 23 there are air channels 39, 40 which open into the interior of the inner housing 12 in the area of the spinning rotors 1 and 2.
  • the outer end of the hollow shaft 23 is connected in a manner not shown to a suction source, so that over the hollow shaft 23 and the air channels 39, 40 a negative pressure is generated in the interior of the inner housing 12, which acts in the fiber material feed tubes 5 and 6 and causes the fiber feed to the spinning rotors 1 and 2.
  • the inner housing 12 is surrounded by an outer housing 34 which carries a removable cover 35, in which the permanent magnet pairs 51, 52, which cooperate with the corresponding counter magnets in the cover 12.3 of the inner housing, are arranged, as a result of which a contactless holding device between the inner housing 12 with the ones fixed therein arranged components and the outer housing 34 is formed.
  • the power supply to the drive motor for the rotor spinning devices R1 and R2 takes place through the spindle rotor disk 26 via a schematically indicated system of slip ring contacts 41, 42 with connecting lines (not shown) connected to it.
  • the fiber material feed channel 4 has an outlet opening 4.1 opening into an annular space 10.
  • An offset opening 6.1 of the fiber material feed channel 6 is arranged in the cover 12.3 of the inner housing 12 opposite this.
  • the annular space 10 is delimited on its top and bottom by annular parts 8.1 and 8.2, which are part of a rotating component which is arranged at the upper edge of the limiter pot 7 and thus rotates with it.
  • the two ring-shaped parts 8.1 and 8.2 are connected to one another via spoke-like or column-like connecting elements.
  • the thread guide tube 3 for the thread F3 is passed through one of these connecting elements 13.1. It is easy to see that the supplied fiber material flow FM enters from the outlet opening 4.1 through the annular space 10 into the inlet opening 6.1 as long as the passage is not covered by one of the connecting elements such as 13.1.
  • the delivery of the fiber material to be fed through the fiber material feed channels 4 and the fiber material feed channels 5 and 6 is carried out by means of negative pressure.
  • the negative pressure present in the interior of the inner housing 12 continues into the annular space 10 via the fiber material feed channels 5 and 6. So that sufficient negative pressure can build up in this annular space, gap seals 14, 15 are provided in the gaps connecting the annular space 10 with the spaces under higher pressure between the outer wall of the inner housing 12 and the inner wall of the outer housing 34.
  • FIG. 2 is placed on the cover 12.3 of the inner housing 12 of the device according to FIG. 1.
  • FIG. 2 all parts that correspond exactly to the device parts of the double-wire twisting spindle according to FIG. 1 are identified by the same reference number as there.
  • the double-wire twisting spindle according to FIG. 2 corresponds exactly to the double-wire twisting spindle according to FIG. 1.
  • two brackets 36 and 38 are arranged on the cover 12.3, each of which carries a deflection roller 16 and 17, respectively.
  • the spinning thread F1 exiting from the first spinning rotor 1 through the thread take-off tube 31 runs over the deflection roller 16 and, after being deflected by 180 °, is fed to the hollow spindle axis 11 via the inlet end 11a.
  • the spinning thread F2 runs out of the thread draw-off tube 32 via the deflection roller 17, from which it is likewise deflected by 180 ° and is fed to the inlet end 11a of the spindle hollow axis 12.
  • the spinning thread F2 is shown in the left half over the deflection roller 17 as it runs after the piecing process.
  • the spinning thread F1 running over the deflection roller 16 in the right half of the figure is shown in a state during the piecing process, which is explained in more detail below with reference to FIGS.
  • a storage wheel 18 and 19 is arranged on the brackets 36 and 38, respectively.
  • the axes of the pulley and the storage wheel are vertically one above the other and point in the same direction.
  • the diameter of the deflection rollers 16, 17 is significantly smaller than the diameter of the storage wheels 18, 19.
  • the storage wheel 19 is more precise in FIG. 3 shown.
  • the storage wheel 18 is designed analogously.
  • the storage wheel 19 has a thread running groove 19.1, in which a clamping hook 20 is arranged. Furthermore, the storage wheel 19 is supported by a ball bearing 25 on an axis connected to the holder 38. An inadvertent free rotation of the storage wheel is prevented by means of a brake ring 28 arranged between the side surface of the storage wheel 19 facing the mounting 38 and the mounting 38. The pressure of the storage wheel 19 on the brake ring 28 can be set differently by means of the fastening screw 19.2 of the storage wheel 19.
  • a piecing thread strand consisting of two individual strands is threaded by hand or by means of a pneumatic threading device (not shown) through the hollow spindle axis 11 or 29, the thread guide channel 27 and the thread guide tube 3 and guided to the centering point 37.
  • the part of the piecing thread strand AF protruding from the inlet end 11a of the hollow spindle axis 11 is, as shown for example in FIG. 4A, placed over part of the circumference of the deflection roller 17 and a thread loop FS is guided upwards and inserted into the thread running groove 19.1 from below and hooked into the clamping hook 20.
  • the free end of the thread loop FS is, as indicated by the downward arrow, inserted into the spinning rotor 2, not shown.
  • This Working step can, as indicated in FIG. 4A, take place by hand. But it can also be carried out by a machine.
  • the start-up state of the piecing process is shown in FIG. 4B.
  • the take-up of the piecing thread strand AF by the hollow spindle axis begins, whereby the storage wheel 19 is set in rotation in the direction of arrow U against the braking action of the brake ring 28.
  • This rotation releases the length of yarn strand from the thread loop FS in the direction of the spinning rotor (left arrow in FIG. 48).
  • the thread running direction is accordingly directed downwards in FIG. 48 at both thread ends.
  • FIG. 4C shows how, after a certain angle of rotation, the clamping hook 20 comes to the underside of the storage wheel 19 so that the thread loop FS is released from the clamping hook 20.
  • the end of the yarn strand immersed in the spinning rotor 2 is about to reverse the direction of rotation.
  • This indifferent state is marked towards the spindle rotor side with two open arrows I pointing in opposite directions.
  • the withdrawal of the yarn strand into the hollow spindle axis is shown unchanged by the arrow AF.
  • Figure 4D shows the completed piecing process.
  • the thread loop FS has completely fallen off the storage wheel and the yarn strand coming from the spinning rotor now lies on the upper side of the deflection roller 17, which has a fillet for better thread strand guidance.
  • the thread strand now has only one thread running direction, shown by the arrow AF, towards the spindle hollow axis.
  • the piecing process is completed with this cycle.
  • the same process takes place in parallel on the piecing device with storage wheel 18 and deflection roller 16.
  • FIGS. 5A and 5B show a piecing device which, instead of the piecing device described in FIG. 2 and FIGS. 3 to 4D, can be placed on the cover 12.3 of the inner housing 12 of the device according to FIG.
  • This piecing device differs from the piecing device described above in that the two spinning rotors 1 and 2 are each assigned deflection rollers 16 'and 17', but which cooperate with a common storage wheel 19 '.
  • the axes of the deflection rollers and the storage wheel are not vertically one above the other but offset in the horizontal direction.
  • the storage wheel 19 ' is constructed in exactly the same way as the storage wheel 19 according to FIG.
  • the deflection roller 17 ′′ coaxial to the storage wheel 19 ′′. is arranged.
  • the deflection wheel 17 ′′ is freely rotatably mounted on its axis via a bearing 25 ′′, while the one side surface of the storage wheel 19 ′′ bears against a brake ring 28 ′′ in the manner already described.
  • the storage wheel 19 ′′ in turn carries a clamping hook 20 ′′ in which the thread loop FS ′′ is hung in the manner already described.
  • the mode of operation of this piecing device is in principle the same as in the exemplary embodiments already described and can be read well from FIG.
  • the piecing thread strand AF ′′ falls on the deflection roller 17 ′′ after being released by the clamping hook 20 ′′.
  • each of the spinning rotors is assigned its own storage wheel.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP95108575A 1994-09-07 1995-06-03 Procédé pour rattacher un fil dans un dispositif pour fabriquer un retors dans un processus filature, torsion ainsi que dispositif pour réaliser le procédé Expired - Lifetime EP0701014B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4431830A DE4431830C1 (de) 1994-09-07 1994-09-07 Verfahren zum Anspinnen eines Fadens in einer Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß sowie Vorrichtung zur Durchführung des Verfahrens
DE4431830 1994-09-07

Publications (3)

Publication Number Publication Date
EP0701014A2 true EP0701014A2 (fr) 1996-03-13
EP0701014A3 EP0701014A3 (fr) 1996-05-01
EP0701014B1 EP0701014B1 (fr) 1997-11-19

Family

ID=6527612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108575A Expired - Lifetime EP0701014B1 (fr) 1994-09-07 1995-06-03 Procédé pour rattacher un fil dans un dispositif pour fabriquer un retors dans un processus filature, torsion ainsi que dispositif pour réaliser le procédé

Country Status (6)

Country Link
US (1) US5626011A (fr)
EP (1) EP0701014B1 (fr)
JP (1) JPH08170233A (fr)
CN (1) CN1061394C (fr)
CZ (1) CZ287536B6 (fr)
DE (1) DE4431830C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149938A2 (fr) * 2000-04-29 2001-10-31 Volkmann GmbH Procédé et dispositif pour rattacher deux bouts de fils duquels on fabriques un retors dans un processus filature à bout ouvert, torsion d'après le principle à double torsion
DE10049719C1 (de) * 2000-10-07 2001-11-15 Volkmann Gmbh Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727176C1 (de) * 1997-06-26 1998-11-12 Volkmann Gmbh & Co Verfahren zur kontinuierlichen Herstellung eines Zwirnes mit geringer Kringelneigung
DE19735651C1 (de) * 1997-08-16 1998-08-20 Volkmann Gmbh Verfahren zur berührungslosen Energie- und Signalübertragung an Textilmaschinen, insbesondere Zwirnmaschinen sowie Einrichtung zur Durchführung des Verfahrens
DE19807981C1 (de) * 1998-02-25 1999-05-06 Volkmann Gmbh & Co Verfahren zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß nach dem Doppeldrahtprinzip sowie Vorrichtung zur Durchführung des Verfahrens
DE10021158A1 (de) * 2000-04-29 2001-11-08 Volkmann Gmbh Fadenspeicherelement
DE10021159A1 (de) * 2000-04-29 2001-11-15 Volkmann Gmbh Fadenlieferwerk, enthaltend zwei Lieferwerkrollen
EP1526196A3 (fr) * 2003-10-20 2006-07-19 Maschinenfabrik Rieter Ag Dispositif de chauffage d' un fil
DE102007053711A1 (de) * 2007-11-10 2009-05-14 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102010033666A1 (de) * 2010-08-06 2012-02-09 Rheinisch-Westfälische Technische Hochschule Aachen Verfahren und Vorrichtung zur Herstellung eines Fasergarns
CN110485008B (zh) * 2019-07-03 2020-08-25 东莞市旭盛线业有限公司 一种张力自调节多股捻线机

Citations (2)

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Publication number Priority date Publication date Assignee Title
FR2354403A1 (fr) 1976-06-09 1978-01-06 Palitex Project Co Gmbh Procede et dispositif pour la fabrication de fils retors par turbines de filage a extremite ouverte
DE4331801C1 (de) 1993-09-18 1995-02-23 Palitex Project Co Gmbh Verfahren und Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß

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DE2430544C3 (de) * 1974-06-26 1979-03-08 Fried. Krupp Gmbh, 4300 Essen Offenendspinnmaschine
DE2615505A1 (de) * 1976-04-09 1977-10-20 Fritz Stahlecker Offenend-spinnaggregat
DE2646873C2 (de) * 1976-10-16 1978-12-14 Palitex Project-Company Gmbh, 4150 Krefeld Vorrichtung zur Aufnahme und spannungslosen Wiedergabe einer einzigen vorgegebenen Fadenlänge eines Fadens
DE2646921C2 (de) * 1976-10-18 1980-01-03 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldrahtzwirnmaschine
DE2648621C3 (de) * 1976-10-27 1981-11-26 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldraht-Zwirnmaschine
US4185761A (en) * 1977-11-25 1980-01-29 Kabushiki Kaisha Toyada Jidoshokki Seisakusho Pressure roller in spinning machine
DE2850729C2 (de) * 1978-11-23 1986-03-13 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und Vorrichtung zum Anspinnen eines Fadens
GB2140042B (en) * 1983-05-20 1988-06-08 Rieter Ag Maschf Open-end yarn piecer
DE3763202D1 (de) * 1986-04-11 1990-07-19 Artec Design Gmbh Fadenzwirngeraet.
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
FR2354403A1 (fr) 1976-06-09 1978-01-06 Palitex Project Co Gmbh Procede et dispositif pour la fabrication de fils retors par turbines de filage a extremite ouverte
DE4331801C1 (de) 1993-09-18 1995-02-23 Palitex Project Co Gmbh Verfahren und Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149938A2 (fr) * 2000-04-29 2001-10-31 Volkmann GmbH Procédé et dispositif pour rattacher deux bouts de fils duquels on fabriques un retors dans un processus filature à bout ouvert, torsion d'après le principle à double torsion
US6363705B2 (en) * 2000-04-29 2002-04-02 Volkmann Gmbh Method for joining fibers onto the free ends of two threads of a yarn produced by an integrated open end spinning and twisting process and a two-for-one spinning and twisting apparatus for performing the method
EP1149938A3 (fr) * 2000-04-29 2002-07-31 Volkmann GmbH Procédé et dispositif pour rattacher deux bouts de fils duquels on fabriques un retors dans un processus filature à bout ouvert, torsion d'après le principle à double torsion
DE10049719C1 (de) * 2000-10-07 2001-11-15 Volkmann Gmbh Vorrichtung zur Herstellung eines Zwirns in einem integrierten Spinn-Zwirnprozeß

Also Published As

Publication number Publication date
JPH08170233A (ja) 1996-07-02
EP0701014B1 (fr) 1997-11-19
CN1061394C (zh) 2001-01-31
CZ228995A3 (en) 1996-03-13
CZ287536B6 (en) 2000-12-13
EP0701014A3 (fr) 1996-05-01
CN1131706A (zh) 1996-09-25
US5626011A (en) 1997-05-06
DE4431830C1 (de) 1995-10-26

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