EP1188703A2 - Vorrichtung zum Steuern eines Spulenrahmens einer Textilmaschine - Google Patents
Vorrichtung zum Steuern eines Spulenrahmens einer Textilmaschine Download PDFInfo
- Publication number
- EP1188703A2 EP1188703A2 EP01112202A EP01112202A EP1188703A2 EP 1188703 A2 EP1188703 A2 EP 1188703A2 EP 01112202 A EP01112202 A EP 01112202A EP 01112202 A EP01112202 A EP 01112202A EP 1188703 A2 EP1188703 A2 EP 1188703A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- torque generator
- torque
- coil
- gear stage
- drive
- 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
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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
- B65H54/40—Arrangements for rotating packages
- B65H54/52—Drive contact pressure control, e.g. pressing arrangements
-
- 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 device for controlling a Coil frame of a textile machine, which by means of a Swivel shaft with limited rotation and with one Torque generator is resilient, which is controlled by a Drive element generates defined torques.
- a generic device for controlling a coil frame of a textile machine is described for example in DE 198 17 363 A1.
- a coil held in a coil frame is driven by a roller by means of frictional force.
- a precisely specified spool contact pressure is to be realized, which can be controlled, for example, to be able to set a defined slip between the spool and roller.
- the coil frame is therefore rotatably supported to a limited extent by means of a swivel shaft, a connecting disk being connected in a rotationally fixed manner to the swivel shaft.
- the connecting disk is also connected to a gear wheel via helical springs in such a way that rotation of the gear wheel by means of a drive motor, in particular a stepper motor, generates a torque acting on the connecting disk and thus on the swivel shaft.
- a drive motor in particular a stepper motor
- a torque acting on the connecting disk and thus on the swivel shaft In order to be able to apply a sufficiently large torque to the swivel shaft, a total of six coil springs arranged tangentially to the swivel shaft are provided between the gear wheel and the connecting disk.
- the Invention the object of a device for defined taxes to create a coil frame that particularly effective and at the same time inexpensive and simple is under construction.
- the torque generator is connected to the coil frame by means of a reduction gear stage. That is, by turning on a reduction gear stage, the torque generator can be designed to be relatively weak and simple. The high torques required for a defined control of the coil frame on the swivel axis are nevertheless reliably provided.
- the torque generator advantageously has a coil spring.
- a spiral spring By using a spiral spring, a very simple, inexpensive construction of the entire device can be achieved.
- the spiral spring is attached on the one hand to a first element of the torque generator which is adjusted by the drive element.
- the coil spring is connected to a second element which is coupled to the transmission.
- the spiral spring By turning the first element in relation to the second element, the spiral spring generates a defined force which can be adjusted over a wide range because the spiral spring can be rotated through a large angle due to its design and which is converted into a torque.
- Gear stage as set out in claim 3, as a belt gear educated.
- a belt transmission With the help of a belt transmission, a backlash-free generation of torque on the swivel shaft respectively.
- This is in terms of precise control of the Coil frame and therefore in terms of one set bobbin support pressure advantageous.
- the torque generator can be in an alternative Embodiment also directly with a drive shaft Drive element connected, whereby a direct control of the torque generator by the Drive element results.
- the number of required Components are thereby reduced (Claim 4).
- Embodiment of the invention provided that between Drive element and torque generator another Gear stage is arranged.
- the torque generator is thus between two gears or between two Gear stages arranged, which makes it extremely flexible Structure of the device according to the invention results.
- a weak and cost-effective stepper motor can be used.
- FIG. 1 and 2 show a bobbin case 10 of a textile machine, on which a bobbin frame 12 is rotatably supported to a limited extent by means of a pivot shaft 14.
- a spool 16 is rotatably held in the spool frame 12 and is driven by a roller 18 by means of frictional force.
- the pivot shaft 14 of the coil frame 12 is acted upon by a defined, adjustable torque, which generally has a relieving effect on the coil frame 12.
- a predetermined, even contact pressure is very important in the production of cross-wound bobbins, since otherwise not only the outer appearance of the bobbins but also their running behavior will be negatively influenced.
- the pivot shaft 14 is connected on the one hand to the spool frame 12 and on the other hand to a gear 20 of a reduction gear stage.
- the gear 20 meshes with a pinion 22, which is connected in a rotationally fixed manner to a stop plate 24 and is rotatably mounted on an axle stub 26.
- the stub shaft 26 is in turn attached to the winding unit housing 10 of the textile machine.
- On the stop plate 24, one end of a spiral spring 28 is fastened, the other end of which is connected to an adjusting gear 30 which meshes with a motor pinion 32 of an electric stepping motor 34.
- the spiral spring 28 is on the adjusting gear 30 for example with the aid of three fastening bolts 36, 38 and 40 attached. For this purpose, one end of the spiral spring 28 clamped between the bolts 36, 38 and 40 and holds in this position due to its internal tension. At the Stop plate 24 is the other end of the coil spring 28 with two bolts 42 and 44 attached.
- a relative rotation between the adjusting gear 30 and the wing plate 24 is limited by the bolt 40, two end positions of the stop plate 24 being defined.
- a first end position is defined by striking a first edge 46 of a first, radially extending projection of the stop plate 24 on the bolt 40.
- a second end position is defined by the abutment of a second edge 48 of a second projection of the stop plate 24, which extends radially from the axle stub 26 in the opposite direction to the first projection, on the bolt 40.
- the minimum or maximum force that can be generated by the spiral spring 28 and the minimum or maximum torque are defined by these two end positions.
- the bearing pressure of the spool 16 on the roller 18 will be Motor pinion 32 by the stepper motor 34 by a certain Number of steps adjusted in a desired direction.
- This causes the adjusting gear 30 and thus a pre-or relaxation of the spiral spring 28.
- By the forward or relaxation of the coil spring 28 changes the force generated by the coil spring 28, which over the Bolts 42, 44 on the stop plate 24 and with this rotatably connected pinion 22 is transmitted.
- the Pinion 22 which meshes with the larger gear 20, the force generated by the coil spring 28 into a torque implemented, which acts on the pivot shaft 14 and thereby Contact pressure of the coil 16 on the roller 18 reduced or elevated.
- the coil spring 28 can be comparatively weak and inexpensive be interpreted.
- the torque generator is arranged in the region of a second reduction gear stage consisting of the motor pinion 32 and the adjusting gear 30. In this way, a high torque can be generated on the pivot shaft 14 even with a weak and inexpensive stepper motor 34.
- the required preload of the spiral spring 28 can, however, only be achieved in this case by accepting a relatively large adjustment path.
- a torque generator is formed by the adjusting gear 30 with the bolts 36, 38 and 40, the spiral spring 28 and the wing plate 24 with the bolts 42 and 44 and the pinion 22.
- a pivot shaft 51 of a coil frame is only indicated in FIG. 4 by a dash-dotted line.
- a transmission lever 52 is connected in a rotationally fixed manner to the pivot shaft 51 and has a cylinder section 54 that is central to the pivot shaft 51.
- a band 60 and 62 is fastened to fastening points 56 and 58 of the cylinder section 54.
- the belts 60 and 62 which are preferably made of steel, run from the cylinder section 54 to a drive shaft 64 connected to a torque generator, both belts 60 and 62 being wound helically on the drive shaft 64.
- the attachment points 56 and 58 on the cylinder section 54 lie with respect to the drive shaft 64 on which the belt 60 or the band 62 at an attachment point 66 or 68 is attached on opposite sides.
Landscapes
- Preliminary Treatment Of Fibers (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Gear Transmission (AREA)
Abstract
Description
Bei dieser bekannten Vorrichtung wird eine in einem Spulenrahmen gehaltene Spule von einer Walze mittels Reibungskraft angetrieben. Zwischen der antreibenden Walze und der Spule soll dabei ein exakt vorgegebener Spulenauflagedruck realisiert werden, der steuerbar ist, um beispielsweise einen definierten Schlupf zwischen Spule und Walze einstellen zu können.
Der Spulenrahmen ist daher mittels einer Schwenkwelle begrenzt drehbar gelagert, wobei eine Anschlussscheibe drehfest mit der Schwenkwelle verbunden ist.
Die Anschlussscheibe ist außerdem über Schraubenfedern mit einem Getriebezahnrad dergestalt verbunden, dass eine Drehung des Getriebezahnrads mittels eines Antriebsmotors, insbesondere eines Schrittmotors, ein auf die Anschlussscheibe und damit auf die Schwenkwelle wirkendes Drehmoment erzeugt. Um auf die Schwenkwelle ein ausreichend großes Drehmoment einleiten zu können, sind zwischen dem Getriebezahnrad und der Anschlussscheibe insgesamt sechs tangential zur Schwenkwelle angeordnete Schraubenfedern vorgesehen.
Das heißt, durch das Einschalten einer Untersetzungsgetriebestufe kann der Drehmomenterzeuger relativ schwach ausgelegt und einfach gestaltet sein.
Die für ein definiertes Steuern des Spulenrahmens an der Schwenkachse erforderlichen hohe Drehmomente werden dennoch zuverlässig bereitgestellt.
Durch den Einsatz einer Spiralfeder lässt sich ein sehr einfacher, kostengünstiger Aufbau der gesamten Vorrichtung erreichen. Hierzu ist die Spiralfeder einerseits an einem ersten Element des Drehmomenterzeugers befestigt, das von dem Antriebselement verstellt wird. Andererseits ist die Spiralfeder mit einem zweiten Element verbunden, das mit dem Getriebe gekoppelt ist. Durch Verdrehen des ersten Elementes gegenüber dem zweiten Element erzeugt die Spiralfeder eine definierte Kraft, die in weiten Bereichen eingestellt werden kann, da die Spiralfeder aufgrund ihrer Bauart um einen großen Winkel verdreht werden kann, und die in ein Drehmoment umgesetzt wird.
- Fig. 1
- schematisch eine Seitenansicht einer erfindungsgemäßen Vorrichtung zum Steuern eines Spulenrahmens gemäß einer ersten Ausführungsform,
- Fig. 2
- die Vorrichtung gemäß Fig.1 schematisch in Vorderansicht,
- Fig. 3
- eine Seitenansicht eines Bandgetriebes gemäß einer zweiten Ausführungsform der Erfindung und
- Fig. 4
- eine Draufsicht auf ein Bandgetriebe gemäß der Fig. 3.
Im Spulenrahmen 12 ist drehbar eine Spule 16 gehaltert, die mittels Reibungskraft von einer Walze 18 angetrieben wird.
Um einen vorbestimmten Auflagedruck der Spule 16 auf der Walze 18 zu realisieren, wird die Schwenkwelle 14 des Spulenrahmens 12 mit einem definierten, einstellbaren Drehmoment beaufschlagt, das in der Regel entlastend auf den Spulenrahmen 12 wirkt.
Ein solcher vorbestimmter, gleichmäßiger Auflagedruck ist bei der Herstellung von Kreuzspulen sehr wichtig, da anderenfalls nicht nur das äußere Erscheinungsbild der Spulen sondern auch deren Ablaufverhalten negativ beeinflußt wird.
Der Achsstummel 26 ist wiederum am Spulstellengehäuse 10 der Textilmaschine befestigt. An der Anschlagplatte 24 ist mit einem ihrer Enden eine Spiralfeder 28 befestigt, die mit ihrem anderen Ende mit einem Verstellzahnrad 30 verbunden ist, das mit einem Motorritzel 32 eines elektrischen Schrittmotors 34 kämmt.
Eine relative Drehung zwischen dem Verstellzahnrad 30 und der Flügelplatte 24 ist durch den Bolzen 40 begrenzt, wobei zwei Endstellungen der Anschlagplatte 24 definiert sind. Eine erste Endstellung ist durch das Anschlagen einer ersten Kante 46 eines ersten, sich radial erstreckenden Vorsprungs der Anschlagplatte 24 an dem Bolzen 40 definiert. Eine zweite Endstellung ist durch das Anschlagen einer zweiten Kante 48 eines zweiten, sich radial von dem Achsstummel 26 aus entgegengesetzt zu dem ersten Vorsprung erstreckenden Vorsprungs der Anschlagplatte 24 an dem Bolzen 40 definiert. Durch diese beiden Endstellungen sind die von der Spiralfeder 28 minimal bzw. maximal erzeugbare Kraft und das minimale bzw. maximale Drehmoment festgelegt.
Auf diese Weise kann auch mit einem schwachen und kostengünstigen Schrittmotor 34 ein hohes Drehmoment an der Schwenkwelle 14 erzeugt werden. Die erfordeliche Vorspannung der Spiralfeder 28 ist in diesem Fall allerdings nur unter Inkaufnahme eines relativ großen Verstellweges erreichbar.
Wie der Darstellung der Fig. 2 zu entnehmen ist, wird bei der dargestellten Ausführungsform ein Drehmomenterzeuger durch das Verstellzahnrad 30 mit den Bolzen 36, 38 und 40, die Spiralfeder 28 und die Flügelplatte 24 mit den Bolzen 42 und 44 sowie dem Ritzel 22 gebildet.
Mit der Schwenkwelle 51 ist ein Übertragungshebel 52 drehfest verbunden, der einen zur Schwenkwelle 51 zentrischen Zylinderabschnitt 54 aufweist. An Befestigungspunkten 56 und 58 des Zylinderabschnitts 54 ist jeweils ein Band 60 bzw. 62 befestigt. Die Bänder 60 und 62, die vorzugsweise aus Stahl bestehen, verlaufen von dem Zylinderabschnitt 54 zu einer mit einem Drehmomenterzeuger verbundenen Antriebswelle 64, wobei beide Bänder 60 und 62 wendelförmig auf die Antriebswelle 64 aufgewickelt sind.
Das in den Fig. 3 und 4 dargestellte Bandgetriebe arbeitet weitestgehend spielfrei und hysteresefrei.
Claims (5)
- Vorrichtung zum Steuern eines Spulenrahmens (12) einer Textilmaschine, der mittels einer Schwenkwelle (14) begrenzt drehbar gelagert und mit einem Drehmomenterzeuger (24, 28, 30) belastbar ist, der gesteuert durch ein Antriebselement (34) definierte Drehmomente erzeugt,
dadurch gekennzeichnet, daß der Drehmomenterzeuger (24, 28, 30) mittels einer Untersetzungsgetriebestufe (20, 22; 60, 62) mit dem Spulenrahmen (12) verbunden ist. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Drehmomenterzeuger eine Spiralfeder (28) aufweist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Getriebestufe als Bandgetriebe (60, 62) ausgebildet ist.
- Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Drehmomenterzeuger mit einer Antriebswelle des Antriebselementes verbunden ist.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zwischen Antriebselement (34) und Drehmomenterzeuger (24, 28, 30) eine weitere Getriebestufe (32, 30) vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10045919 | 2000-09-16 | ||
DE10045919A DE10045919A1 (de) | 2000-09-16 | 2000-09-16 | Vorrichtung zum Steuern eines Spulenrahmens einer Textilmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1188703A2 true EP1188703A2 (de) | 2002-03-20 |
EP1188703A3 EP1188703A3 (de) | 2003-02-26 |
EP1188703B1 EP1188703B1 (de) | 2005-08-17 |
Family
ID=7656496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01112202A Expired - Lifetime EP1188703B1 (de) | 2000-09-16 | 2001-05-18 | Vorrichtung zum Steuern eines Spulenrahmens einer Textilmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6595457B2 (de) |
EP (1) | EP1188703B1 (de) |
JP (1) | JP4550332B2 (de) |
CN (1) | CN1187249C (de) |
AT (1) | ATE302157T1 (de) |
DE (2) | DE10045919A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006002704A1 (de) * | 2004-07-06 | 2006-01-12 | Saurer Gmbh & Co. Kg | Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine |
EP3575254A1 (de) * | 2018-05-29 | 2019-12-04 | Maschinenfabrik Rieter AG | Verfahren zum anpressen einer spule an eine spulwalze sowie abzugsvorrichtung |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10012005B4 (de) * | 2000-03-11 | 2007-07-05 | Saurer Gmbh & Co. Kg | Spulvorrichtung für eine Kreuzspulen herstellende Textilmaschine |
US20170322977A1 (en) * | 2014-11-07 | 2017-11-09 | Hitachi, Ltd. | Method for retrieving encrypted graph, system for retrieving encrypted graph, and computer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527214A1 (de) * | 1995-07-26 | 1997-01-30 | Schlafhorst & Co W | Vorrichtung zum Steuern eines Spulenrahmens einer Spinnereimaschine |
DE19817363A1 (de) * | 1998-04-18 | 1999-10-21 | Schlafhorst & Co W | Vorrichtung zum Steuern des Spulenrahmens einer Textilmaschine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2513981A1 (de) * | 1975-03-29 | 1976-10-07 | Schlafhorst & Co W | Verfahren und vorrichtung zum steuern und/oder regeln der fadenspannung beim wickeln einer textilspule |
DE3927142C2 (de) * | 1989-08-17 | 1998-02-12 | Schlafhorst & Co W | Einrichtung zum Steuern des Kontaktdruckes und/oder der Relativbewegung zwischen einer Spulwalze und einer Spule |
DE19534333B4 (de) | 1995-09-15 | 2009-02-19 | Oerlikon Textile Gmbh & Co. Kg | Spulenrahmen-Entlastungsvorrichtung für die Spuleinrichtung einer Kreuzspulen herstellenden Textilmaschine |
DE19829597A1 (de) * | 1998-07-02 | 2000-01-05 | Schlafhorst & Co W | Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine |
DE19959195A1 (de) * | 1999-12-08 | 2001-06-13 | Schlafhorst & Co W | Vorrichtung zum Schwenken eines Spulenrahmens einer Textilmaschine |
DE19962296A1 (de) * | 1999-12-23 | 2001-06-28 | Schlafhorst & Co W | Spulmaschine |
-
2000
- 2000-09-16 DE DE10045919A patent/DE10045919A1/de not_active Withdrawn
-
2001
- 2001-05-18 EP EP01112202A patent/EP1188703B1/de not_active Expired - Lifetime
- 2001-05-18 DE DE50107102T patent/DE50107102D1/de not_active Expired - Lifetime
- 2001-05-18 AT AT01112202T patent/ATE302157T1/de not_active IP Right Cessation
- 2001-09-14 CN CNB011331046A patent/CN1187249C/zh not_active Expired - Fee Related
- 2001-09-17 JP JP2001282157A patent/JP4550332B2/ja not_active Expired - Fee Related
- 2001-09-17 US US09/954,347 patent/US6595457B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527214A1 (de) * | 1995-07-26 | 1997-01-30 | Schlafhorst & Co W | Vorrichtung zum Steuern eines Spulenrahmens einer Spinnereimaschine |
DE19817363A1 (de) * | 1998-04-18 | 1999-10-21 | Schlafhorst & Co W | Vorrichtung zum Steuern des Spulenrahmens einer Textilmaschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006002704A1 (de) * | 2004-07-06 | 2006-01-12 | Saurer Gmbh & Co. Kg | Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine |
EP3575254A1 (de) * | 2018-05-29 | 2019-12-04 | Maschinenfabrik Rieter AG | Verfahren zum anpressen einer spule an eine spulwalze sowie abzugsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1188703B1 (de) | 2005-08-17 |
US20020033430A1 (en) | 2002-03-21 |
CN1187249C (zh) | 2005-02-02 |
DE50107102D1 (de) | 2005-09-22 |
US6595457B2 (en) | 2003-07-22 |
DE10045919A1 (de) | 2002-03-28 |
EP1188703A3 (de) | 2003-02-26 |
CN1344666A (zh) | 2002-04-17 |
JP2002145524A (ja) | 2002-05-22 |
ATE302157T1 (de) | 2005-09-15 |
JP4550332B2 (ja) | 2010-09-22 |
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