EP0968951A1 - Procédé de fonctionnement d'une machine textile pour la fabrication de bobines à spires croisées - Google Patents
Procédé de fonctionnement d'une machine textile pour la fabrication de bobines à spires croisées Download PDFInfo
- Publication number
- EP0968951A1 EP0968951A1 EP99107127A EP99107127A EP0968951A1 EP 0968951 A1 EP0968951 A1 EP 0968951A1 EP 99107127 A EP99107127 A EP 99107127A EP 99107127 A EP99107127 A EP 99107127A EP 0968951 A1 EP0968951 A1 EP 0968951A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bobbin
- winding
- cross
- speed
- angular velocity
- 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
- 238000000034 method Methods 0.000 title claims description 36
- 239000004753 textile Substances 0.000 title claims description 3
- 238000004804 winding Methods 0.000 claims abstract description 79
- 235000013351 cheese Nutrition 0.000 claims description 32
- 230000033228 biological regulation Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
-
- 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 according to the preamble of Claim 1.
- the crosshair angle decreases as the bobbin diameter increases. There are no image zones with the winding type 'Precision winding'.
- the bobbin has a high winding density and has good winding properties, which means that high take-off speeds can be achieved.
- the stability of the package is restricted due to the ever smaller thread crossing angle as the bobbin diameter increases.
- the decreasing cross-hair angle causes an increase in the winding density towards the outside, which can lead to an uneven penetration of the dyeing liquor in the dyeing works.
- a disadvantage of this type of winding is that the turn ratio decreases hyperbolically and so-called images or mirrors occur in certain turn ratio ranges in which the turn ratio takes on an integer value, for example.
- the threads lie one above the other or very close to one another in several successive layers of turns.
- the images mean that the package is more densely compressed in this area, so that, for example, an uneven coloring can occur during dyeing.
- the thread regions lying one on top of the other or closely next to one another will slide laterally onto one another and thereby jam one another, which has a very disadvantageous effect on the running properties of a package.
- EP 0 399 243 B1 describes a Image interference method known in which to avoid images a friction drum designed as a grooved drum from a basic speed in short intervals the drive motor is braked and accelerated again that both during acceleration and during Braking slippage is present.
- An image interference method is also known (DE 42 39 579 A1), where the speed of a thread guide drum and the RPM of a cheese and the measurement results in one Computers are evaluated in such a way that it is determined when during the winding process the emergence of pictures causing turn ratio range is passed.
- This so-called image winding zone is the cheese through the Spool brake then opposite the thread guide drum in such a way slowed down that a slip arises between them. After this Passing through the image winding zone is the reel brake again loosened so that the cheese then again slip-free is driven.
- a winding device is known from DE 39 27 142 A1, in which the contact pressure of the package on the thread guide drum in the region of an image winding zone can be reduced.
- the coil frame is connected to an electromechanical torque actuator, preferably a DC motor working from a standstill, which in turn is connected to a control device.
- a coil brake can also be controlled via the control device.
- the coil frame When reaching an image winding zone, the coil frame is in the sense of the torque actuator Relieve "is applied, while at the same time the cheese held in the bobbin frame is braked.
- the Invention based on the object, the known image interference method to improve.
- this object is achieved by a method as described in claim 1.
- the method according to the invention has the advantage that it enables a reliable avoidance of image winding areas with relatively little technical effort and thus at low cost. That is, if it is determined on the basis of the control device that the cross-wound bobbin has reached a certain diameter and thus an image winding zone, the angular velocity of the cross-wound bobbin is reduced to an angular velocity below defined by regulating the contact pressure with which the cross-wound bobbin rests on the thread guide drum is a critical angular velocity of the cheese and thus simply bypass the image winding zone.
- These critical angular velocities, at which image windings occur are given at certain known cross-coil diameters when a cross-coil is driven without slippage.
- the angular speed of the cheese is reduced, as set out in claim 2, to a level which corresponds to an angular speed which a cheese driven without slip would have due to its diameter when leaving the image winding zone.
- the intended angular velocity is exactly maintained by regulating the contact pressure until the image winding zone is left. In this way, the previously disturbing residual images can also be reliably avoided.
- the relatively low technical effort results, among other things, from the fact that the package, as set out in claim 3, can be subjected to a constant or almost constant, only relatively weak braking torque in the area of the image winding zone, because the regulation of the speed of the package alone via the contact pressure of the package on the thread guide drum.
- a constant braking torque which is generally not very high, can also be achieved without problems with the coil brakes used to date.
- the Initiation of a braking torque via the coil brake even to be completely dispensed with.
- the Claims 4 to 6 set out the braking torque from the Air friction of the cheese and / or the bearing friction of the Bobbin holder and / or the friction of the thread to be rewound be won.
- the defined regulation of the contact pressure of the package the thread guide drum and thus the exact setting of the Speed of the cheese takes place, as stated in claim 7, via a torque sensor designed as a stepper motor.
- the stepper motor is part of one Coil frame adjustment device, as in the post-published DE 198 17 363.3 described in detail is.
- FIGS. 1 and 2 each show, using a curve 22, the speed curve of a cross-wound bobbin during its bobbin travel when the image interference method according to the invention is used.
- the speed curve or the angular velocity of a cross-wound bobbin in the area of an image winding zone BZW is shown.
- the ordinate shows the angular velocity w of the cheese on the abscissa the diameter d of the cheese.
- Fig. 1 shows a first embodiment
- Fig. 2 shows an alternative embodiment.
- the angular velocity w of the cheese 4 decreases continuously with increasing coil diameter d.
- a coil diameter d 1 a critical area, a so-called image winding zone BWZ, is reached.
- the image winding zone BWZ extends on both sides of a critical cross-wound bobbin diameter d k , in which, as already explained in the introduction to the description, there is a turn ratio between the thread guide drum and the bobbin which leads to the formation of so-called image windings.
- the exact spread of the critical image winding zone BWZ depends on various factors, for example the thread number, the thread material, the winding density etc.
- the angular velocity w 1 which the cross-wound bobbin 4 has due to its diameter d 1 when it reaches the image winding zone BWZ, is first reduced to an angular velocity w 2 by defined activation of the coil frame, and this angular velocity w 2 during Maintain passage through the image winding zone BWZ.
- the angular velocity w 2 corresponds to an angular velocity with which a cross-wound bobbin with the diameter d 2 driven by the thread guide drum at a constant speed and without slippage would rotate.
- the angular velocity w 2 is well below the angular velocity that a cross-wound bobbin with the critical diameter d k would have without slippage.
- the angular velocity w 2 then again corresponds to the speed curve of a cheese, which is driven almost without slip, using the curve 22.
- the angular velocity w 1 of the cross-wound bobbin is also initially reduced to an angular velocity w 2 .
- the angular velocity w 2 is below the angular velocity of the cheese, given by the critical cross-coil diameter d k .
- the angular velocity w 2 is further reduced when passing through the image winding zone BWZ, in order to raise the angular velocity again at the end of the image winding zone by appropriate loading of the coil frame, which corresponds to the angular velocity of a cross-wound bobbin with the diameter d 2 corresponds.
- the image interference method described above can be used instead of one the known in the introduction to the known Image interference method or in addition to such Image interference methods are used.
- FIG. 3 shows a device which carries out the Image interference method according to the invention enables.
- a thread guide drum 3 which is driven by an electric motor (not shown), is mounted in the bobbin case housing 2 of a textile machine producing a bobbin, generally designated 1.
- the thread guide drum 3 in turn drives a cheese 4 via friction.
- the cross-wound bobbin 4 is held in a bobbin frame 5 which is non-rotatably connected to a pivot axis 6.
- the pivot axis 6 is arranged parallel to the axis of the thread guide drum 3 and is pivotably supported on the winding unit housing 2 to a limited extent.
- the coil frame 5 has, as usual, two coil arms 7 and 8, which are provided with rotatably mounted bobbins. A sleeve is held between the spool plates, on the one Thread to form the package 4 is wound. At least one of the coil arms 7, 8 is not shown in detail Way together with the bobbin winder to the side of the package can be swung away so that a full cheese from the Coil frame 5 removed and an empty sleeve can be inserted can.
- This torque sensor shows among other things a rotatably connected to the pivot axis 6 Connection disc 9 and a coaxial to the pivot axis 6 rotatable stored gear 10.
- the connecting disc 9 is with Provide connecting bolts 11, which indicate the gear 10.
- corresponding connector bolts 12 are provided.
- Between the connecting bolts 11 of the connecting plate 9 and the Connection bolts 12 of the gear 10 are as Transmission elements identical spring elements 13 in the form of Coil springs switched on, the relative rotation of Gear 10 and connecting plate 9 are deformed in opposite directions.
- the rotatably mounted gear 10 meshes with a pinion 14 a reduction gear, the outer ring 15 over a Drive pinion 16 is connected to a stepper motor 17. Since the drive pinion 16, the outer ring 15 and the pinion 14 are rotatably mounted on the bobbin case 2, can Reduction gear every rotation of the am Winding unit housing 2 fixed stepping motor 17, for example in a ratio of 1:25, on the gear 10 be transmitted.
- the stepper motor 17, for example for Individual steps of approx.
- 1.8 ° are designed using a Controlled winding station computer 18 and is capable of one predetermined number of revolutions or a predetermined one Number of individual steps to be carried out on the coil frame 5 result in a torque over which the contact pressure of the Cross-wound bobbin 4 on the thread guide drum 3 is adjustable.
- both the speed of the cheese 4 and the speed of the thread guide drum 3 are continuously detected.
- the current winding ratio of the cheese 4 is always calculated in the winding station computer 18 from these data and the known construction data of the machine.
- the speed of the cheese 4 is changed from an instantaneous by Cross-bobbin diameter predetermined speed n 1 reduced to an adjustable speed n 2 .
- the reduction in the rotational speed n 1 of the cheese 4 to a speed n 2 and the exact maintenance of this speed takes place in that the cheese 4 on the one hand, for example via the coil brake 20, which is connected to the winding station computer 18 via a signal line 21, applied with a constant braking torque and on the other hand the contact pressure with which the package 4 rests on the thread guide drum 3 is reduced by a defined lifting of the bobbin frame 5.
- the desired speed n 2 of the cheese 4 can be precisely adjusted by increasing or decreasing this contact pressure.
- image winding can be avoided by rotating the gear wheel 10 into a position by means of the stepping motor 17, which position corresponds to a calculated contact pressure of the package 4 on the thread guide drum 3.
- the control of the contact pressure as a function of the bobbin travel of the bobbin or the bobbin diameter by adjusting the stepping motor 17 takes place in the bobbin computer 18 using a control program.
- Such a control program calculates the required position of the stepping motor 17, expressed in positive or negative steps, for example on the basis of the sensor data described above, which are fed to the winding station computer during the entire bobbin trip.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
- Treatment Of Fiber Materials (AREA)
- Manufacture Of Motors, Generators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19829597A DE19829597A1 (de) | 1998-07-02 | 1998-07-02 | Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine |
DE19829597 | 1998-07-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0968951A1 true EP0968951A1 (fr) | 2000-01-05 |
EP0968951B1 EP0968951B1 (fr) | 2002-07-24 |
Family
ID=7872770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99107127A Expired - Lifetime EP0968951B1 (fr) | 1998-07-02 | 1999-04-13 | Procédé de fonctionnement d'une machine textile pour la fabrication de bobines à spires croisées |
Country Status (5)
Country | Link |
---|---|
US (1) | US6206320B1 (fr) |
EP (1) | EP0968951B1 (fr) |
JP (1) | JP2000026021A (fr) |
DE (2) | DE19829597A1 (fr) |
TR (1) | TR199901545A3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101462660B (zh) * | 2007-12-22 | 2012-07-04 | 欧瑞康纺织有限及两合公司 | 用于监视纺织机中不希望的纱线卷成形的装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19962296A1 (de) * | 1999-12-23 | 2001-06-28 | Schlafhorst & Co W | Spulmaschine |
DE10020664A1 (de) * | 2000-04-27 | 2001-10-31 | Schlafhorst & Co W | Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine |
DE10045919A1 (de) * | 2000-09-16 | 2002-03-28 | Schlafhorst & Co W | Vorrichtung zum Steuern eines Spulenrahmens einer Textilmaschine |
DE10060237A1 (de) * | 2000-12-05 | 2002-06-06 | Schlafhorst & Co W | Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine |
ATE393846T1 (de) * | 2005-03-30 | 2008-05-15 | Benninger Ag Maschf | Verfahren und anordnung zum betrieb eines spulengatters für eine wickelanlage sowie ein spulengatter |
DE102005054356A1 (de) * | 2005-11-15 | 2007-05-16 | Saurer Gmbh & Co Kg | Verfahren zur Vermeidung von Bildwicklungen |
DE102008032654A1 (de) | 2008-07-10 | 2010-01-14 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bildstörung beim Aufwickeln eines Fadens |
DE102013009653A1 (de) * | 2013-06-08 | 2014-12-11 | Saurer Germany Gmbh & Co. Kg | Verfahren zum Einstellen einer Drehwinkelstellung eines eine Spulenhülse drehbeweglich halternden Spulenrahmens und Spulen herstellende Textilmaschine mit mehreren Spulstellen |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3324889A1 (de) | 1983-07-09 | 1985-01-17 | W. Schlafhorst & Co, 4050 Mönchengladbach | Verfahren und vorrichtung zum vermeiden von bildwicklungen beim wickeln von kreuzspulen |
DE3927142A1 (de) | 1989-08-17 | 1991-02-21 | Schlafhorst & Co W | Einrichtung zum steuern des kontaktdruckes und/oder der relativbewegung zwischen einer spulwalze und einer spule |
JPH03264472A (ja) * | 1990-03-14 | 1991-11-25 | Murata Mach Ltd | 巻取装置 |
DE4239579A1 (de) | 1992-11-25 | 1994-05-26 | Schlafhorst & Co W | Verfahren zum Wickeln von Kreuzspulen |
EP0399243B1 (fr) | 1989-05-24 | 1994-11-30 | W. SCHLAFHORST AG & CO. | Procédé et dispositif pour éviter l'enroulage en ruban lors du bobinage d'une bobine croisée |
DE19625513A1 (de) * | 1996-06-26 | 1998-01-02 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Herstellen von Kreuzspulen |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2129318C2 (de) * | 1971-06-12 | 1983-12-22 | W. Schlafhorst & Co, 4050 Mönchengladbach | Bildstöreinrichtung an einer Kreuzspulmaschine |
DE2606208C3 (de) * | 1976-02-17 | 1982-12-16 | Bayer Ag, 5090 Leverkusen | Spulverfahren zum Herstellen von Kreuzspulen wilder Wicklung |
DE2914924A1 (de) * | 1979-04-12 | 1980-10-30 | Barmag Barmer Maschf | Aufspuleinrichtung |
DE3210244A1 (de) * | 1982-03-20 | 1983-09-22 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Verfahren zur spiegelstoerung beim aufwickeln eines fadens in wilder wicklung |
DE3219880A1 (de) * | 1982-05-27 | 1984-02-16 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Verfahren zur spiegelstoerung beim aufwickeln eines fadens in wilder wicklung |
US4504021A (en) * | 1982-03-20 | 1985-03-12 | Barmag Barmer Maschinenfabrik Ag | Ribbon free wound yarn package and method and apparatus for producing the same |
US4504024A (en) * | 1982-05-11 | 1985-03-12 | Barmag Barmer Maschinenfabrik Ag | Method and apparatus for producing ribbon free wound yarn package |
DE3650456T2 (de) * | 1985-10-30 | 1996-06-13 | Mitsubishi Paper Mills Ltd | Lichtempfindliche Materialien für lithographische Druckplatten |
IT1227912B (it) * | 1988-12-23 | 1991-05-14 | Savio Spa | Procedimento ed apparecchio per pilotare la distribuzione del filo sull'impacco in formazione in un gruppo di raccolta per fili sintetici |
JPH04345473A (ja) | 1991-05-21 | 1992-12-01 | Mitsubishi Rayon Co Ltd | 糸の巻取方法および綾振り巻取装置 |
ES2122146T3 (es) * | 1993-06-25 | 1998-12-16 | Savio Macchine Tessili Spa | Metodo y aparato para distribuir hilo arrollado en una bobina accionada por un rodillo ranurado. |
DE19519542B4 (de) * | 1994-06-29 | 2004-05-13 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zur Vermeidung von Bildwicklungen |
DE29520857U1 (de) * | 1994-07-05 | 1996-04-11 | Neumag - Neumünstersche Maschinen- und Anlagenbau GmbH, 24536 Neumünster | Aufspulmaschine |
DE19607905B4 (de) * | 1996-03-01 | 2006-09-14 | Saurer Gmbh & Co. Kg | Verfahren und Vorrichtung zum Herstellen von Kreuzspulen in wilder Wicklung |
DE19625510A1 (de) * | 1996-06-26 | 1998-01-02 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Herstellen einer Spule |
-
1998
- 1998-07-02 DE DE19829597A patent/DE19829597A1/de not_active Withdrawn
-
1999
- 1999-04-13 EP EP99107127A patent/EP0968951B1/fr not_active Expired - Lifetime
- 1999-04-13 DE DE59902098T patent/DE59902098D1/de not_active Expired - Fee Related
- 1999-07-02 TR TR1999/01545A patent/TR199901545A3/tr unknown
- 1999-07-02 JP JP11189423A patent/JP2000026021A/ja active Pending
- 1999-07-02 US US09/347,239 patent/US6206320B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3324889A1 (de) | 1983-07-09 | 1985-01-17 | W. Schlafhorst & Co, 4050 Mönchengladbach | Verfahren und vorrichtung zum vermeiden von bildwicklungen beim wickeln von kreuzspulen |
EP0399243B1 (fr) | 1989-05-24 | 1994-11-30 | W. SCHLAFHORST AG & CO. | Procédé et dispositif pour éviter l'enroulage en ruban lors du bobinage d'une bobine croisée |
DE3927142A1 (de) | 1989-08-17 | 1991-02-21 | Schlafhorst & Co W | Einrichtung zum steuern des kontaktdruckes und/oder der relativbewegung zwischen einer spulwalze und einer spule |
JPH03264472A (ja) * | 1990-03-14 | 1991-11-25 | Murata Mach Ltd | 巻取装置 |
DE4239579A1 (de) | 1992-11-25 | 1994-05-26 | Schlafhorst & Co W | Verfahren zum Wickeln von Kreuzspulen |
DE19625513A1 (de) * | 1996-06-26 | 1998-01-02 | Schlafhorst & Co W | Verfahren und Vorrichtung zum Herstellen von Kreuzspulen |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 082 (M - 1215) 27 February 1992 (1992-02-27) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101462660B (zh) * | 2007-12-22 | 2012-07-04 | 欧瑞康纺织有限及两合公司 | 用于监视纺织机中不希望的纱线卷成形的装置 |
Also Published As
Publication number | Publication date |
---|---|
DE59902098D1 (de) | 2002-08-29 |
JP2000026021A (ja) | 2000-01-25 |
TR199901545A2 (xx) | 2000-02-21 |
DE19829597A1 (de) | 2000-01-05 |
EP0968951B1 (fr) | 2002-07-24 |
US6206320B1 (en) | 2001-03-27 |
TR199901545A3 (tr) | 2000-02-21 |
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