EP0504111A1 - Procédé et dispositif pour faire une bobine - Google Patents

Procédé et dispositif pour faire une bobine Download PDF

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Publication number
EP0504111A1
EP0504111A1 EP92810169A EP92810169A EP0504111A1 EP 0504111 A1 EP0504111 A1 EP 0504111A1 EP 92810169 A EP92810169 A EP 92810169A EP 92810169 A EP92810169 A EP 92810169A EP 0504111 A1 EP0504111 A1 EP 0504111A1
Authority
EP
European Patent Office
Prior art keywords
coil
winding
additional layers
bobbin
sleeve
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
EP92810169A
Other languages
German (de)
English (en)
Other versions
EP0504111B1 (fr
Inventor
Robert Isler
Isidor Fritschi
José Antonio Mena
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0504111A1 publication Critical patent/EP0504111A1/fr
Application granted granted Critical
Publication of EP0504111B1 publication Critical patent/EP0504111B1/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
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/16—Yarn-severing arrangements, e.g. for cutting transfer tails; Separating of roving in flyer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H65/00—Securing material to cores or formers
    • B65H65/005—Securing end of yarn in the wound or completed package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a method for producing a spool with a desired spool diameter by winding a fuse or the like onto a sleeve by means of a transfer element, the transfer element and the sleeve or spool being moved relative to one another within a winding stroke limited by limit switches or the like. and an apparatus therefor and a coil produced by the method.
  • a roving which still consists of relatively loose fibers is wound into a bobbin in a roving device.
  • the flyer in which a fibrous fuse is guided from a drafting system through a hollow arm of a wing to a bobbin, is known in particular as a pre-spinning device.
  • This wing has the shape of a suspended, rotating fork, with a counter arm being assigned to the hollow arm as a counterweight. Both arms rotate around the spool or at the start of the winding process around a sleeve, whereby the fuse is pulled out of the hollow arm by the winding.
  • either the sleeve or spool or the wing can perform a winding stroke, so that the winding layers are arranged helically on the spool.
  • the spool or wing is displaced in the opposite stroke direction, so that the spool is finally applied layer by layer to the sleeve.
  • the reversal of the winding stroke is controlled by limit switches, but other electronic aids are also conceivable here. If, for example, mechanical limit switches are used, they are arranged on spindles, so that they are moved a little towards each other each time they are reversed. This creates the known coils with conical flanks.
  • the fuse should be torn off so that a coil end remains on the coil. Tearing off should take place automatically.
  • a particularly preferred example is shown in CH-PS 626 663, where the fuse is torn off by stopping the spool and wing and then moving the wing and spool relative to one another. The sliver end lies against the surface of the spool and, due to its fibrous nature, usually finds sufficient hold on the spool surface.
  • the sliver end must be pressed against the coil by a separate pressing device, which is very complicated in terms of construction.
  • the object of the invention is to eliminate this disadvantage and, in particular, to protect the sliver end from unintentional detachment from the coil surface.
  • the solution to the problem is that after reaching the desired diameter, additional layers are wound onto the then existing coil surface, which form a terrace-shaped step with a shortened winding stroke and a niche in the coil surface for inserting a sliver end.
  • a turn can preferably be made on the original coil surface with a smaller diameter that is not covered by additional layers.
  • the sliver end is drawn into the niche formed by the additional layers and adheres better to the surface of the spool, even after it has been torn off.
  • the control for this additional process step is also extremely simple.
  • the existing limit switch is used for the lower reversal point of the additional positions.
  • the upper limit switch is switched off after reaching the desired coil diameter and an intermediate limit switch is switched on.
  • This intermediate limit switch determines the upper reversal point of the additional positions.
  • this intermediate limit switch can also be designed to be movable, so that this step can also run obliquely to the coil surface. However, this is not absolutely necessary, since the fuse has enough hold for three or five additional layers, even if it is placed one on top of the other. With this number of additional layers, the intermediate limit switch can remain stationary, so that the step is approximately at right angles to the coil surface.
  • the end position and the intermediate position do not need to be determined by mechanical limit switches.
  • the end and intermediate position limitation is also possible electronically.
  • electronic and electromechanical distance and angle meters are available, such as incremental encoders, linear encoders, potentiometers or the like. All known end position limiters are intended to be encompassed by the present inventive concept.
  • the idea of the invention also includes a coil which is produced by means of the method and the device according to the invention.
  • a removable sleeve 2 is placed on a spindle 1.
  • a stop ring 3 limits the insertion depth of the spindle 1 into the sleeve 2.
  • a sliver 4 is wound onto the sleeve 2, a sliver start 5 being able to be clamped between the sleeve 2 and the stop ring 3, as is described in CH-PS 626 663.
  • the fuse 4 is brought up through a hollow arm 6 of a wing 7, the hollow arm 6 serving as a counterweight a counter arm 8 is assigned.
  • the wing 7 is in the form of a suspended fork, the hollow arm 6 and the counter arm 8 being connected to one another to form a rotating piece 9 which rotates in a bearing 10.
  • the rotating piece 9 is also hollow, so that the fuse 4 can be brought for example from a drafting system (not shown in more detail) and can be guided through a channel 11 in the hollow arm 6.
  • the fuse 4 emerges at the lower end of the hollow arm 6 and is then, preferably several times, wound around a press finger 12 which is fixed on the hollow arm 6.
  • the press finger 12 is preferably connected to the hollow arm 6 by means of a rotating ring 13, so that the press finger 12 can be rotated around the hollow arm 6 in the direction of the coil 14.
  • the fuse 4 leads from the outside through an opening 16 in a press finger disk 17 to the surface of the coil 14.
  • the coil 14 moves in the direction of the double arrow x, so that the fuse 4 is wound in layers.
  • the first layer is located on the sleeve 2, while the following layers are then wound up over the layers already present.
  • This winding stroke x is limited in each case by limit switches 18 and 19 shown in FIG. 3, which are arranged on a spindle 30 shown in FIG. 4 with opposing thread pitches 31 and 32, which each move the limit switches 18 and 19 by a predetermined amount to each other after the stroke reversal. This results in the conical configuration of the two end faces of the coil 14.
  • the spindle 1 and the wing 7 are stopped.
  • the spindle 1 is now moved downwards together with the coil 14, as shown in FIG. 2, so that the fuse 4 is torn off, as described in the above-mentioned CH-PS 626 663.
  • the spool 14 is wound up by moving back and forth between the two limit switches 18 and 19 in the direction of the winding stroke x.
  • the coil 14 is seated on a coil trough 33, which is connected to a chain 34, tape or the like.
  • the latter is placed over a drive wheel 35 and connected at the end to a balance weight 36, a spring or the like.
  • the drive wheel 35 is rotated by a drive (not shown in detail) and thus raises or lowers the coil trough 33. At the same time, it also raises and lowers a switching link 37 between the limit switches 18 and 19.
  • the additional layers 23, 24 and 25 create a shoulder 26. If, for example, after the third additional layer 25, the spindle 1 and also the wing 7 are stopped and the spindle 1, as described in more detail above, is pulled down, the sliver end 20 is inserted into the area between the coil surface 27 and shoulder 26. However, this means that this coil end 20 lies in a protected area, so that it is secured against unwanted removal, particularly during transport.
  • the additional layers have a buffer function and the sliver end 20 is hidden on the terrace-shaped shoulder 26.
  • the limit switch 22 is arranged in a fixed position, so that the additional layers are of identical design.
  • the limit switch 22 as well as the limit switch 19 are adjusted relative to each other for each additional position 23, 24 and 25, so that the shoulder 26 also runs conically. It therefore never loses its protective function for the match 20, since it also forms a niche 28.
  • the coil movement can be controlled not only by mechanical limit switches but also electronically or electromechanically.
  • This idea of the invention should of course also be included.
  • an electronic or electromechanical protractor 42 can also be coupled to the drive wheel 35.
  • Absolute encoders, incremental encoders, linear encoders, potentiometers, sliding resistors or the like can be considered as angle or displacement encoders.
  • all possible electronic and electromechanical displacement / angle meters are to be encompassed by the inventive idea.
  • Figure 7 represents. control by an electronic or electromechanical displacement / angle meter 40 or 42.
  • the method corresponds to this the one with mechanical limit switches and switching gates, so that a more detailed explanation is dispensed with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP92810169A 1991-03-14 1992-03-05 Procédé et dispositif pour faire une bobine Expired - Lifetime EP0504111B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4108233A DE4108233A1 (de) 1991-03-14 1991-03-14 Verfahren und vorrichtung zum herstellen einer spule
DE4108233 1991-03-14

Publications (2)

Publication Number Publication Date
EP0504111A1 true EP0504111A1 (fr) 1992-09-16
EP0504111B1 EP0504111B1 (fr) 1994-12-07

Family

ID=6427260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810169A Expired - Lifetime EP0504111B1 (fr) 1991-03-14 1992-03-05 Procédé et dispositif pour faire une bobine

Country Status (2)

Country Link
EP (1) EP0504111B1 (fr)
DE (2) DE4108233A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0698678A1 (fr) * 1994-07-05 1996-02-28 FRATELLI MARZOLI & C. S.p.A. Procédé et appareil pour la rupture de la mèche envidée sur les bobines d'un métièr à filer à ailettes et pour attacher l'extrémité de la mèche sur la bobine avant la levée automatique des bobines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319394A1 (de) * 1993-06-11 1994-12-15 Rieter Ag Maschf Vorrichtung zum Aufwickeln einer Flachslunte

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303104A1 (fr) * 1975-03-05 1976-10-01 Toyoda Automatic Loom Works Procede et dispositif pour sectionner une meche au moment de la levee dans un metier continu a ailettes
EP0026341A1 (fr) * 1979-09-28 1981-04-08 Maschinenfabrik Rieter Ag Procédé et appareil de relâchement de la tension des rubans sur des bancs à broche
CH626663A5 (fr) * 1977-10-04 1981-11-30 Rieter Ag Maschf
DE3803521A1 (de) * 1988-02-05 1989-08-17 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zum voruebergehenden anhaften des beim automatischen spulenwechsel an vorspinnmaschinen zwischen spulenwicklung und pressfinger angerissenen vorgarnendes
EP0409755A1 (fr) * 1989-07-17 1991-01-23 N. SCHLUMBERGER & CIE Procédé de rupture de la mèche pour pouvoir pratiquer la levée automatique des bobines pleines sur un banc à broches pour fibres longues

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303104A1 (fr) * 1975-03-05 1976-10-01 Toyoda Automatic Loom Works Procede et dispositif pour sectionner une meche au moment de la levee dans un metier continu a ailettes
CH626663A5 (fr) * 1977-10-04 1981-11-30 Rieter Ag Maschf
EP0026341A1 (fr) * 1979-09-28 1981-04-08 Maschinenfabrik Rieter Ag Procédé et appareil de relâchement de la tension des rubans sur des bancs à broche
DE3803521A1 (de) * 1988-02-05 1989-08-17 Zinser Textilmaschinen Gmbh Verfahren und vorrichtung zum voruebergehenden anhaften des beim automatischen spulenwechsel an vorspinnmaschinen zwischen spulenwicklung und pressfinger angerissenen vorgarnendes
EP0409755A1 (fr) * 1989-07-17 1991-01-23 N. SCHLUMBERGER & CIE Procédé de rupture de la mèche pour pouvoir pratiquer la levée automatique des bobines pleines sur un banc à broches pour fibres longues

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0698678A1 (fr) * 1994-07-05 1996-02-28 FRATELLI MARZOLI & C. S.p.A. Procédé et appareil pour la rupture de la mèche envidée sur les bobines d'un métièr à filer à ailettes et pour attacher l'extrémité de la mèche sur la bobine avant la levée automatique des bobines
US5524428A (en) * 1994-07-05 1996-06-11 Fratelli Marzoli & C. S.P.A. Method and apparatus for separating the roving wound on packages from the flyers of a roving frame or the like, and for securing the roving end to the packages before doffing

Also Published As

Publication number Publication date
EP0504111B1 (fr) 1994-12-07
DE59200878D1 (de) 1995-01-19
DE4108233A1 (de) 1992-09-17

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