EP0660889A1 - Verfahren zum trennen von vorgarnlunten beim abziehen von spulen an vorspinnmaschinen. - Google Patents
Verfahren zum trennen von vorgarnlunten beim abziehen von spulen an vorspinnmaschinen.Info
- Publication number
- EP0660889A1 EP0660889A1 EP93919028A EP93919028A EP0660889A1 EP 0660889 A1 EP0660889 A1 EP 0660889A1 EP 93919028 A EP93919028 A EP 93919028A EP 93919028 A EP93919028 A EP 93919028A EP 0660889 A1 EP0660889 A1 EP 0660889A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roving
- bobbins
- rovings
- drawing out
- moved
- 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
Links
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 invention relates to a method for separating roving slags when removing bobbins from roving machines and can be used in the field of spinning, in particular roving manufacture.
- a disadvantage of this method is that the machine must be stopped in the vicinity of the upper reversal point and the separation process should be carried out with an additional stroke when the machine is at a standstill.
- a sensitive area of the coil namely the name of the reversal point, is selected as the stopping point.
- a further disadvantage is the special requirement placed on the design of the press finger, which is intended to prevent the thread from being pulled out of the press finger eye during the bobbin carriage movements.
- An additional separating stroke is also necessary to tear the roving lines. This takes time because this path is long, especially in the long stack area.
- the present invention is therefore based on the object when pulling bobbins to separate the roving from the running machine, to make no additional demands on components such as wings, press fingers, etc. and to bring about the shortest possible separation.
- the object is achieved in that the pre-spinning machine is controlled from the spinning process so that the press finger from the winding stroke of the last
- the coil is now wound outside of the winding stroke and only then is the machine stopped.
- the roving between bobbin and press finger is relaxed.
- the bobbin wagon moves directly to the trigger position. In this way, the roving sliver is torn independently.
- the relaxation of the fuse is particularly important for the success of the separation.
- the beginning or increased rotation must be present at the wing exit, otherwise the thread breaks in the wing and not at the exit of the wing. This point can only be secured by turning the spool back, because the paths between the front and rear rows of spools are of different lengths.
- the thread breaks normal rotation and increased rotation only at the point of transition when the thread tension is removed.
- the increased rotation can be eliminated prior to piecing by briefly changing the direction of rotation or reducing the speed of the blades.
- the sequence can be easily programmed into machines with appropriate control devices, preferably with freely programmable control devices.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4231887A DE4231887C2 (de) | 1992-09-21 | 1992-09-21 | Verfahren zum Trennen von Vorgarn beim Abziehen von Spulen an Vorspinnmaschinen |
DE4231887 | 1992-09-21 | ||
PCT/DE1993/000903 WO1994006955A1 (de) | 1992-09-21 | 1993-09-21 | Verfahren zum trennen von vorgarnlunten beim abziehen von spulen an vorspinnmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0660889A1 true EP0660889A1 (de) | 1995-07-05 |
EP0660889B1 EP0660889B1 (de) | 1997-01-08 |
Family
ID=6468656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93919028A Expired - Lifetime EP0660889B1 (de) | 1992-09-21 | 1993-09-21 | Verfahren zum trennen von vorgarnlunten beim abziehen von spulen an vorspinnmaschinen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0660889B1 (de) |
JP (1) | JPH08501353A (de) |
CN (1) | CN1086555A (de) |
DE (2) | DE4231887C2 (de) |
WO (1) | WO1994006955A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19512578C2 (de) * | 1995-04-03 | 1997-04-17 | Grosenhainer Textilmaschbau | Verfahren zum Trennen von Vorgarnlunten vor dem Abziehen von Spulen an Vorspinnmaschinen |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0197226A (ja) * | 1987-10-08 | 1989-04-14 | Toyota 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 |
JPH0197225A (ja) * | 1987-10-06 | 1989-04-14 | Toyota 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及びその装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51102128A (en) * | 1975-03-05 | 1976-09-09 | Toyoda Automatic Loom Works | Sobokini okeru tamaagejino soshimakikishirino setsudanhoho oyobi sonosochi |
DD217832B3 (de) * | 1983-06-09 | 1991-03-28 | Grossenhainer Textilmaschinenbau Gmbh,De | Vorspinnmaschine mit dezentralem antrieb |
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 |
IT1242977B (it) * | 1990-07-17 | 1994-05-18 | Marzoli & C Spa | Procedimento ed apparecchiatura per separare dalle alette lo stoppino avvolto sulle spole e fermare il capo dello stoppino sulle spole all'atto della levata in un banco a fusi o simile |
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 |
-
1992
- 1992-09-21 DE DE4231887A patent/DE4231887C2/de not_active Expired - Fee Related
-
1993
- 1993-09-21 EP EP93919028A patent/EP0660889B1/de not_active Expired - Lifetime
- 1993-09-21 WO PCT/DE1993/000903 patent/WO1994006955A1/de active IP Right Grant
- 1993-09-21 DE DE59305090T patent/DE59305090D1/de not_active Expired - Fee Related
- 1993-09-21 JP JP6507703A patent/JPH08501353A/ja active Pending
- 1993-09-21 CN CN93118146A patent/CN1086555A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0197225A (ja) * | 1987-10-06 | 1989-04-14 | Toyota 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及びその装置 |
JPH0197226A (ja) * | 1987-10-08 | 1989-04-14 | Toyota 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 |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 013, no. 313 (C-618)(3661) 17. July 1989 & JP,A,01 097 225 (TOYOTA AUTOM. LOOM WORKS) 14. April 1989 * |
PATENT ABSTRACTS OF JAPAN vol. 013, no. 313 (C-618)(3661) 17. July 1989 & JP,A,01 097 226 (TOYOTA AUTOM. LOOM WORKS) 14. April 1989 * |
See also references of WO9406955A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1994006955A1 (de) | 1994-03-31 |
EP0660889B1 (de) | 1997-01-08 |
DE4231887C2 (de) | 1997-06-19 |
JPH08501353A (ja) | 1996-02-13 |
CN1086555A (zh) | 1994-05-11 |
DE59305090D1 (de) | 1997-02-20 |
DE4231887A1 (de) | 1994-03-24 |
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