EP0829444B1 - Vorrichtung zum Aufwickeln eines Fadens auf eine Spule - Google Patents
Vorrichtung zum Aufwickeln eines Fadens auf eine Spule Download PDFInfo
- Publication number
- EP0829444B1 EP0829444B1 EP19970115596 EP97115596A EP0829444B1 EP 0829444 B1 EP0829444 B1 EP 0829444B1 EP 19970115596 EP19970115596 EP 19970115596 EP 97115596 A EP97115596 A EP 97115596A EP 0829444 B1 EP0829444 B1 EP 0829444B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- traversing
- driving wheel
- bracket
- base plate
- thread guide
- 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
-
- 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
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2821—Traversing devices driven by belts or chains
-
- 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
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/72—Framework; Casings; Coverings
-
- 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
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/74—Driving 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 present invention relates to a device for winding a thread a bobbin, with a thread guide, which with a drive wheel driven by a motor and guide rollers running traversing element is connected and a traversing movement executes in the longitudinal direction of the coil, and with one acting as a position transmitter Sensor for monitoring the traversing movement of the thread guide.
- Traversing elements are, for example, strings, wires, ropes, tapes or straps known.
- the invention is now to provide a winding device in which the dynamic changes mentioned by a flexible organ in the manner of a String, a belt, a rope or a band or the like traversing element formed no longer occur in the area of the movement reversal points, so that a very high traversing speed and also very high positioning accuracy the thread guide is reached.
- This object is achieved in that the traversing element over a transverse to this spring-loaded biasing element to compensate for voltage fluctuations is led.
- a first preferred embodiment of the winding device according to the invention is characterized in that the traversing element by a wire rope, a string or a belt, and that the pretensioning element is formed by the drive wheel.
- a second preferred embodiment of the winding device according to the invention is characterized in that the guide rollers on a common carrier are firmly mounted, and that the driving wheel is on a tongue-like, supported by bending beams, Tab is stored.
- the training of the driving wheel as a pretensioner not only has the advantage that for the Preloading element does not require an additional element, but also enables one optimal compensation of the dynamic changes of the traversing element.
- the latter because both dreams of the traversing element, the one and the one the other pulley running, wrap the drive wheel so that this at the same time can affect both dreams.
- the storage of the driving wheel on the with the carrier over Bend carrier connected tongue-like tab has the advantage that by suitable Dimensioning and design of the bending beams for the respective machine configuration optimal dynamic characteristics of the pretensioner can be achieved can.
- a third preferred embodiment is characterized in that one with the Carrier connected, preferably screwed, base plate is provided, on which attack the bending beams, and that the tab is supported on one edge by the bending beams and is exposed on the other edges.
- a fourth preferred embodiment is characterized in that the base plate two encompassing, mutually directed U-shaped recesses has, the inner of the tab of the bending beams and the outer of the bending beams separates from the base plate, and that the bending beam between the longitudinal legs of the recesses run from the tab to the base plate.
- winding device is characterized in that the sensor for the traversing movement of the thread guide a rotating organ coupled to the thread guide monitors and on this attached markings scanned.
- the rotating member is preferably through the drive wheel or formed by a disk rigidly connected to the drive wheel.
- the inventive design of the sensor has the advantage that it is based on the Knows the exact position of the thread guide, the number of scanned marks, so that the drive motor always uses a control to match the position Speed can be regulated. This can reduce the performance of the Stepper motor formed drive motor can be used almost completely.
- the winding unit shown in Fig. 1 consists essentially of a motor-driven Spindle 1 for receiving and holding a coil sleeve 2, on which a coil, for example, a cheese 3, is wound up, and from a device 4 for Laying a thread F by a supply spool, not shown, from a supply spool is subtracted.
- the cheese 1 is exposed along a surface line on one rotatable roller 5, which is mounted on a suitable carrier part 6 of the winding machine is.
- the thread laying 4, which serves to produce the desired winding, contains the most important element is a thread guide 7, which is along the axis of the bobbin 3 an oscillating oscillating movement perpendicular to the plane of the drawing.
- the thread guide 7 is fastened on a traversing element 8.
- This is as a flexible and rigid element in the traverse direction for the transmission of tensile forces trained and is for example by a string, a wire, a metal rope, a Flat, toothed or V-belts, a metal band, a chain or the like are formed.
- the traversing element 8 runs over two deflection rollers rigidly mounted on the carrier part 6 9 and 10 to be driven by a motor 11, preferably a stepper motor Driving wheel 12, wraps around this with several turns and is with both ends attached to the driving wheel.
- the thread guide 7 When driving the driving wheel 12, depending on the direction of rotation thereof, the thread guide 7 in the direction of one or the other deflecting roller 9 or 10.
- the distance between the pulleys 9 and 10 gives the maximum possible stroke of the thread guide 7 during its traversing movement.
- the drive wheel 12 is in terms of the torque characteristic of the motor 11 and to the thread guide 7, thread F and traversing element 8 formed load adjusted that an ideal efficiency results.
- the motor 11 is a sensor 13 for detecting the rotational position of the drive wheel 12 and thus assigned to the traversing position of the thread guide 7.
- the sensor 13 is on a transmitting and a receiving diode existing photoelectric sensor that the movement a disc (not shown) rigidly connected to the drive wheel 12.
- the disk is provided with suitable optically scannable markings, for example with holes or slots arranged along a circle.
- the sensor signal is fed to a controller 14, which checks whether the motor 11 is connected the speed provided for the respective position of the thread guide 7 runs. In the event of deviations
- the control stage 14 outputs a corresponding control signal between the actual value and the target value to the engine 11.
- the number of marks on the disc and their Dimension are chosen so that about 1500 per stroke of the thread guide Sensor 13 show verifiable positions of the thread guide 7.
- the carrier part 6 has an approximately rectangular shape in the area of the thread laying 4 Opening 15, which is covered against the thread F by a base plate 16 is.
- the base plate 16 which is shown in more detail in FIG. 3, has on its longitudinal edges several holes 17 for receiving fastening screws on and is screwed to the edge of the opening 15 in the area of these bores.
- Two further holes provided with the reference symbol 18 serve to pass through the Carrier part 6 axles of the deflection rollers 9 and 10.
- the base plate 16 consists of a strip-like edge region 19 and from a tongue-like tab 20, which has a transverse edge with the edge region 19 of the base plate 16 is connected, and the other edges of which are exposed.
- the connection between the tab 20 and the edge area 19 takes place via two bending beams 21, that attack on the said transverse edge of the tab 20 and at a distance from it Longitudinal edges and parallel to them, in the gap between tab 20 and edge area 19 are guided to the opposite transverse edge of the edge region 19.
- This arrangement looks as if the two bending beams 21, as it were, inserted into one another, separate opposing, U-shaped recesses 25, 26 from each other which the inner recess 25, the tab 20 of the bending beams 21 and the outer Recess 26 separates the bending beams 21 from the base plate 16.
- the tab 20 of the Base plate 16 is thus resiliently mounted on the edge region 19 and is by action corresponding forces adjustable, both in the direction perpendicular to Plane of the drawing and also transversely to the longitudinal edges of the base plate 16.
- the tab 20 In the middle of the tab 20 has a bore 22, which for non-rotatable reception a corresponding part of the motor 11 (FIG. 1) is provided.
- the engine 11 will attached to the back of the tab 20 so that the drive wheel 12 comes out of the front hole 22 protrudes.
- the part of the motor 11 held in the bore 22 is designed such that the best possible heat transfer takes place from the motor 11 to the bracket 20.
- the tab 20 not only acts as a resilient carrier of the drive wheel 12, but also also as a cooling surface for the motor 11.
- the drive wheel 12 has a groove for guiding the turns of the traversing element 8 the type of thread, the turns of which correspond to the pitch Inclination relative to that spanned by the pulleys 9, 10 and the drive wheel 12 Have level.
- the drive wheel 12 is arranged slightly obliquely, so that the turns of the groove in the area in which the traversing element 8 runs towards and away from the driving wheel 12, lie parallel to the traversing element 8.
- the resilient action of the tab 20 is used to make dynamic changes of the traversing element 8, preferably formed by a steel cable, in the region of the reversal points of movement to compensate. If the thread guide 7 to a reversal point then the two dreams following the thread guide behave of the traversing element 8 differently in the braking phase in the direction of movement the front strand is loosened and the rear strand stretched in the direction of movement and in the acceleration phase the front strand of the traversing element in the direction of movement stretched and the back is loosened.
- This dynamic behavior of the traversing element 8 limits the positioning accuracy of the thread guide 7 at a given acceleration or deceleration and thus the traversing speed of the thread guide 7 at a given positioning accuracy of the thread guide 7. Since the requirements for the positioning accuracy of the thread guide are very high even for packages and for windings according to any winding laws, the dynamic behavior mentioned would increase the traversing element 8 the traversing speed and thus the winding speed limit noticeably.
- the drive wheel 12 acts on the traversing element 8 like a pretensioner that presses laterally against the traversing element and compensates for fluctuations in its voltages. Because each strand of the traversing element 8 is guided by the thread guide 7 to the drive wheel 12, this resilient biasing member acts on both strands of the traversing element 8 at the same time, thereby preventing in the acceleration and deceleration phases both a loosening of the one as well as an overextension of the other strand of the traversing element.
- the sensor 13 has the great advantage that the scanning with the markings provided disc a complete monitoring of the entire traversing movement enables what with the usual arrangement of the sensor along the path of the Thread guide 7 would only be possible at an unacceptably high cost. That's why one has not yet monitored the entire movement of the thread guide 7, but only its passage through a certain position, and has checked whether the motor 11 may have lost a step. Because with this method the current position the thread guide was only roughly known, had to affect the performance of the motor 11 always take into account a certain safety margin, so that the motor 11 could not be operated at its performance limit.
- the sensor 13 always relates its monitoring to an initial position of the thread guide 7, preferably to the zero point of its traversing movement.
- the setting of the sensor 13 is such that the thread guide 7 first to the one reversal point and is then brought to the other reversal point, the sensor 13 which this stroke corresponding number of markings counts and the zero point is calculated from them.
- the Sensor 13 thus knows the number of scanning pulses between the zero point and the reversal points, so that on the basis of these scanning pulses the one at a time Sampling pulse corresponding position of the thread guide 7 can be determined. The latter enables extremely precise control of the motor 11 and its performance can be fully exploited.
- the tab 20 has on its free transverse edge, that is left edge in the figure, a nose-like projection 23, one on the adjacent Indentation 24 arranged on the inner edge of the edge region 19 of the base plate 16 assigned.
- the projection 23 and the indentation 24 serve as tools for the Setting the pretension of the traversing element 8.
- the base plate 16 in which the traversing element 8 has not yet been installed or is in any case not preloaded, the projection 23 is not symmetrical to the indentation 24, but is slightly shifted down. The pretension of the traversing element 8 is then set so that the projection 23 is symmetrical to the indentation 24 lies.
- Projection 23 and indentation 24 thus have the function of the position of the tab 20 indicating mark in the biased state of the traversing element 8.
- a different marker could also be used for this. It has but shown that the marking formed by the projection 23 and indentation 24 Especially in the conditions in a textile company, very good as a setting aid for the Preload of the traversing element 8 is suitable.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Winding Filamentary Materials (AREA)
Description
- Fig. 1
- eine schematische Darstellung einer Spulstelle einer Spulmaschine, in Blickrichtung einer Bedienungsperson,
- Fig. 2
- eine Ansicht in Richtung des Pfeiles II von Fig. 1; und
- Fig. 3
- ein Detail von Fig. 2.
Claims (11)
- Vorrichtung zum Aufwickeln eines Fadens (F) auf eine Spule (3), mit einem Fadenführer (7), der mit einem über ein motorisch antreibbares Treibrad (12) und Umlenkrollen (9, 10) laufendes Changierelement (8) verbunden ist und eine Changierbewegung in Längsrichtung der Spule (3) ausführt, und mit einem als Positionsgeber wirkenden Sensor (13) zur Überwachung der Changierbewegung des Fadenführers (7), dadurch gekennzeichnet, dass das Changierelement (8) über ein quer zu diesem federnd gelagertes Vorspannorgan (12) zum Ausgleich von Spannungsschwankungen geführt ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Changierelement (8) durch ein Drahtseil, eine Saite oder einen Riemen, und dass das Vorspannorgan durch das Treibrad (12) gebildet ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Umlenkrollen (9, 10) auf einem gemeinsamen Träger (6) fest montiert sind, und dass das Treibrad (12) auf einer zungenartigen, von Biegeträgern (21) getragenen, Lasche (20) gelagert ist.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass eine mit dem Träger (6) verbundene, vorzugsweise verschraubte, Grundplatte (16) vorgesehen ist, an welcher die Biegeträger (21) angreifen, und dass die Lasche (20) an einer Kante von den Biegeträgern (21) getragen ist und an den anderen Kanten frei liegt.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Grundplatte (16) zwei einander umgreifende, gegeneinander gerichtete U-förmige Ausnehmungen (25, 26) aufweist, von denen die innere (25) die Lasche (20) von den Biegeträgern (21) und die äussere (26) die Biegeträger (21) von der Grundplatte (16) trennt, und dass die Biegeträger (21) zwischen den Längsschenkeln der Ausnehmungen (25, 26) von der Lasche (20) zur Grundplatte (16) verlaufen.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Changierelement (8) das Treibrad (12) mit mehreren Windungen umschlingt, und dass das Treibrad (12) eine Nut zur Führung dieser Windungen aufweist und so angeordnet ist, dass in dem Bereich, wo das Changierelement (8) auf das Treibrad (12) zu- und von diesem wegläuft, die Nut parallel zum Changierelement (8) orientiert ist.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Antriebsmotor (11) des Treibrads (12) auf der Lasche (20) befestigt ist, und dass die Befestigung so ausgebildet ist, dass die Lasche (20) als Kühfläche für den Motor (11) wirkt.
- Vorrichtung nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass die Lasche (20) in Richtung der Changierbewegung geneigt zur Grundplatte (16) angeordnet ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass im Bereich der freien Querkante der Lasche (20) eine als Einstellhilfe für die Vorspannung des Changierelements (8) dienende Markierung vorgesehen ist, und dass diese vorzugsweise durch einen an der genannten Querkante angeordneten Vorsprung (23) und durch eine an der benachbarten Kante der Grundplatte (16) angeordnete Einbuchtung (24) gebildet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Sensor (13) für die Changierbewegung des Fadenführers (7) ein mit dem Fadenführer gekoppeltes rotierendes Organ überwacht und auf diesem angebrachte Markierungen abtastet.
- Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass das rotierende Organ durch das Treibrad (12) oder durch eine mit diesem starr verbundene Scheibe, und dass diese Scheibe vorzugsweise durch eine Lochscheibe gebildet ist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970115596 EP0829444B1 (de) | 1996-09-16 | 1997-09-09 | Vorrichtung zum Aufwickeln eines Fadens auf eine Spule |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96114792 | 1996-09-16 | ||
EP96114792A EP0829443A1 (de) | 1996-09-16 | 1996-09-16 | Vorrichtung zum Aufwickeln eines Fadens auf eine Spule |
EP19970115596 EP0829444B1 (de) | 1996-09-16 | 1997-09-09 | Vorrichtung zum Aufwickeln eines Fadens auf eine Spule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0829444A1 EP0829444A1 (de) | 1998-03-18 |
EP0829444B1 true EP0829444B1 (de) | 2001-12-19 |
Family
ID=26142169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970115596 Expired - Lifetime EP0829444B1 (de) | 1996-09-16 | 1997-09-09 | Vorrichtung zum Aufwickeln eines Fadens auf eine Spule |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0829444B1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002518276A (ja) * | 1998-06-12 | 2002-06-25 | マシーネンフアブリーク リーテル アクチエンゲゼルシヤフト | 糸綾振り装置 |
DE59907716D1 (de) * | 1999-04-30 | 2003-12-18 | Ssm Ag | Vorrichtung zum Aufwickeln eines Fadens |
EP1070676B1 (de) | 1999-07-17 | 2004-03-24 | Schärer Schweiter Mettler AG | Verfahren und Vorrichtung zum Aufwickeln eines Fadens auf eine Spule |
ATE276192T1 (de) * | 2000-11-16 | 2004-10-15 | Ssm Ag | Vorrichtung zur fadenverlegung beim aufwickeln eines fadens auf eine spule |
EP1277860B8 (de) * | 2001-07-21 | 2008-02-13 | SSM Schärer Schweiter Mettler AG | Vorrichtung zur Erzeugung von Effektgarnen und Verwendung der Vorrichtung |
IT201800005854A1 (it) | 2018-05-30 | 2019-11-30 | Dispositivo e metodo per produrre filati fantasia | |
CN109332399A (zh) * | 2018-10-16 | 2019-02-15 | 胡海涛 | 一种铜合金扁线加工用张力调节装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2807856A1 (de) * | 1978-02-23 | 1979-09-06 | Mfe Corp | Positioniervorrichtung |
JPS58221053A (ja) * | 1982-06-15 | 1983-12-22 | Victor Co Of Japan Ltd | 駆動装置 |
JPS60109952U (ja) * | 1983-12-28 | 1985-07-25 | シチズン時計株式会社 | プリンタのキヤリツジ緊張装置 |
DE3886468D1 (de) * | 1987-08-04 | 1994-02-03 | Schubert & Salzer Maschinen | Vorrichtung zur Fadenverlegung auf einer Kreuzspule. |
DE8915275U1 (de) * | 1989-12-30 | 1990-02-15 | Palitex Project-Company GmbH, 47804 Krefeld | Textilmaschine mit einer oder mehreren parallel liegenden Reihen von Fadenaufwickelaggregaten |
DE59008484D1 (de) * | 1990-04-23 | 1995-03-23 | Ssm Ag | Verfahren und Vorrichtung zum Aufwickeln eines Fadens auf eine Spule. |
JPH04203548A (ja) * | 1990-11-29 | 1992-07-24 | Canon Inc | ベルト伝達駆動装置 |
-
1997
- 1997-09-09 EP EP19970115596 patent/EP0829444B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0829444A1 (de) | 1998-03-18 |
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