EP0692561B1 - Procédé de casse de la mèche en vue de la levée automatique des bobines sur des bancs à broches et doigt presseur mis en oeuvre par ce procédé - Google Patents
Procédé de casse de la mèche en vue de la levée automatique des bobines sur des bancs à broches et doigt presseur mis en oeuvre par ce procédé Download PDFInfo
- Publication number
- EP0692561B1 EP0692561B1 EP95440038A EP95440038A EP0692561B1 EP 0692561 B1 EP0692561 B1 EP 0692561B1 EP 95440038 A EP95440038 A EP 95440038A EP 95440038 A EP95440038 A EP 95440038A EP 0692561 B1 EP0692561 B1 EP 0692561B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bobbin
- winding
- roving
- over
- wick
- 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
Links
Images
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
Definitions
- the present invention relates to the field of the textile industry, in especially the benches with spindles for long fibers and in particular the lifting automatic intended to rid said benches of full reels and to replace with empty bobbins, and relates to a process for breaking the wick for the automatic lifting of the coils on pin benches and a finger presser implemented by this process.
- pin banks for short fibers such as cotton fibers
- the strands of long fibers namely whose fibers have an average length of between 5 cm and 20 cm, do not break always in the same place and usually have a weak point in one place where the wick is relaxed.
- the present invention aims to overcome these drawbacks.
- the invention also relates to a pressing finger used by this process, characterized in that it comprises a spoon provided with two heels, upper and lower respectively.
- the method of breaking the wick for automatic lifting of the coils 1 on spindle benches essentially consists, at the end of the winding, in stopping the winding in the part lower of the coil 1 (figure 1), then perform a sub-winding of a few turns at the base of coil 1 (figure 2), then go back up and perform a limited overwinding (Figure 3) followed by a descent and a breakage of the wick under the upper part of coil 1 ( Figure 4).
- This process allows the operator to grasp the tip of the wick with the coil 1 base and guarantees good resistance of the wick during handling of the reel, avoiding its unwanted unwinding.
- over-winding in part upper part of the coil 1, is carried out over a length sufficient to ensure the maintaining the wick when handling the coil 1 and not too large, in order to always allow the wick to slide during a pull.
- the over-winding, in the upper part of the coil 1, is carried out over a length corresponding to approximately half a revolution of said coil 1.
- the process according to the invention allows an arrangement of the wick on the full reel in which the operator can grasp the end of the wick at the base of the spool when the spool 1 is attached to the spinning rack and bring it to the position shown in Figure 6, even if the coil 1 is surrounded by other coils.
- the arrangement of the wick according to the invention allows the handling of full reels, while avoiding the risk of unwinding due to the existence of a loop 3 made around the upper part of the coil 1 ( Figures 3 to 5).
- the invention also relates to a pressure finger 2 used by this process and intended to deposit the wick on the bobbin to form the bobbin 1, which has an upper cone and a lower cone.
- the pressing finger 2 has a spoon 5 provided with two heels, respectively upper 6 and lower 7, directed upward and downward respectively. These heels 6 and 7 are intended for allow the spoon 5 to pass over the corresponding cones of the coil 1 towards the big base. Due to the process according to the present invention, the spoon 5 passes successively on the lower cone then on the upper cone, which leads to the forecast of the upper 6 and lower 7 heels.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Description
Claims (4)
- Procédé de casse de la mèche en vue de la levée automatique des bobines (1) sur des bancs à broches, dans lesquels, à la fin du bobinage, un sur-renvidage est effectué en partie supérieure de la bobine, suivi d'une descente et d'une casse de la mèche sous la partie supérieure de la bobine, caractérisé en ce qu'il consiste essentiellement, à la fin du bobinage, à arrêter le renvidage dans la partie inférieure de la bobine (1), à effectuer ensuite un sous-renvidage de quelques tours à la base de la bobine (1), puis à remonter et à effectuer le sur-renvidage pour former une boucle, de telle sorte que le maintien de la mèche lors des manipulations de la bobine est assuré, et à descendre pour réaliser la casse de la mèche sous la partie supérieure de la bobine (1).
- Procédé, suivant la revendication 1, caractérisé en ce que le sur-renvidage, en partie supérieure de la bobine (1), est effectué sur une longueur suffisante pour assurer le maintien de la mèche lors des manipulations de la bobine (1) et pas trop importante, afin de toujours permettre un glissement de la mèche lors d'une traction.
- Procédé, suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que, de préférence, le sur-renvidage, en partie supérieure de la bobine (1), est effectué sur une longueur correspondant à environ un demi à un tour de ladite bobine (1).
- Doigt presseur, mis en oeuvre par le procédé suivant l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comporte une cuillère (5) pourvue de deux talons, respectivement supérieur (6) et inférieur (7), dirigés respectivement vers le haut et vers le bas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408883 | 1994-07-13 | ||
FR9408883A FR2722513B1 (fr) | 1994-07-13 | 1994-07-13 | Procede de casse de la meche en vue de la levee automatique des bobines sur des bancs a broches et doigt presseur mis en oeuvre par ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0692561A1 EP0692561A1 (fr) | 1996-01-17 |
EP0692561B1 true EP0692561B1 (fr) | 2000-05-03 |
Family
ID=9465499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95440038A Expired - Lifetime EP0692561B1 (fr) | 1994-07-13 | 1995-07-04 | Procédé de casse de la mèche en vue de la levée automatique des bobines sur des bancs à broches et doigt presseur mis en oeuvre par ce procédé |
Country Status (5)
Country | Link |
---|---|
US (1) | US5575141A (fr) |
EP (1) | EP0692561B1 (fr) |
JP (1) | JP2928472B2 (fr) |
DE (1) | DE69516590T2 (fr) |
FR (1) | FR2722513B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59701669D1 (de) * | 1997-12-22 | 2000-06-15 | Zinser Textilmaschinen Gmbh | Verfahren und Vorrichtung zum Ablegen und Trennen einer Vorgarnlunte bei einer Vorspinnmaschine |
DE10001351A1 (de) * | 2000-01-14 | 2001-07-19 | Zinser Textilmaschinen Gmbh | Verfahren zum selbsttätigen Trennen von Vorgarn beim Abziehen von Spulen an einer Vorspinnmaschine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1614718A (en) * | 1918-05-29 | 1927-01-18 | Barber Colman Co | Spinning machine |
GB418406A (en) * | 1932-11-22 | 1934-10-24 | Wilhelm Reiners | Improvements in and relating to winding cops |
US3019590A (en) * | 1958-10-24 | 1962-02-06 | Brame Textile Machine Company | Flyers for textile machines |
JPS602722A (ja) * | 1982-12-22 | 1985-01-09 | Toyoda Autom Loom Works Ltd | 粗紡機における玉揚げ時の粗糸巻尻の切断方法 |
FR2649727B1 (fr) * | 1989-07-17 | 1991-10-04 | Schlumberger Cie N | Procede de rupture de la meche pour pouvoir pratiquer la levee automatique des bobines pleines sur un banc a broches pour fibres longues |
DE3931124A1 (de) * | 1989-09-18 | 1991-03-28 | Zinser Textilmaschinen Gmbh | Verfahren und vorrichtung zum trennen eines vorgarnes zwischen den pressfingern an den fluegeln einer mit einem streckwerk versehenen vorspinnmaschine und den vollen vorgarnspulen |
FR2665188A1 (fr) * | 1990-07-24 | 1992-01-31 | Schlumberger Cie N | Procede de casse de la meche en vue de l'enlevement et du transport automatiques des bobines de bancs a broches. |
DE4122810A1 (de) * | 1991-07-10 | 1993-01-14 | Zinser Textilmaschinen Gmbh | Verfahren zum trennen der lunten von auf vorspinnmaschinen gefertigten vorgarnspulen |
-
1994
- 1994-07-13 FR FR9408883A patent/FR2722513B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-04 DE DE69516590T patent/DE69516590T2/de not_active Expired - Fee Related
- 1995-07-04 EP EP95440038A patent/EP0692561B1/fr not_active Expired - Lifetime
- 1995-07-13 US US08/501,816 patent/US5575141A/en not_active Expired - Fee Related
- 1995-07-13 JP JP7177575A patent/JP2928472B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2722513A1 (fr) | 1996-01-19 |
DE69516590T2 (de) | 2001-02-22 |
DE69516590D1 (de) | 2000-06-08 |
US5575141A (en) | 1996-11-19 |
FR2722513B1 (fr) | 1996-08-30 |
JPH0860459A (ja) | 1996-03-05 |
JP2928472B2 (ja) | 1999-08-03 |
EP0692561A1 (fr) | 1996-01-17 |
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