EP0481029B1 - Device for winding up material webs - Google Patents

Device for winding up material webs Download PDF

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Publication number
EP0481029B1
EP0481029B1 EP91907124A EP91907124A EP0481029B1 EP 0481029 B1 EP0481029 B1 EP 0481029B1 EP 91907124 A EP91907124 A EP 91907124A EP 91907124 A EP91907124 A EP 91907124A EP 0481029 B1 EP0481029 B1 EP 0481029B1
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EP
European Patent Office
Prior art keywords
winding
support roller
phase asynchronous
pct
motors
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
Application number
EP91907124A
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German (de)
French (fr)
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EP0481029A1 (en
Inventor
Reinhard Hehner
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Jagenberg AG
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Jagenberg AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2284—Simultaneous winding at several stations, e.g. slitter-rewinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
    • B65H2301/5305—Cooling parts or areas of handling machine
    • 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
    • B65H2515/12—Density
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S242/00—Winding, tensioning, or guiding
    • Y10S242/909—Heating or cooling

Definitions

  • the invention relates to a device for winding material webs, in particular paper or cardboard webs, onto winding cores according to the preamble of patent claim 1.
  • a winding device which has a driven support roller and winding stations arranged on both sides of the support roller.
  • Each winding station consists of two swiveling support arms, each of which is equipped with a hydraulic winding drive.
  • the two hydraulic motors of a winding station are connected in parallel and are fed by a hydraulic variable pump.
  • EP-A-0 324 707 describes a generic winding device in which a DC magnetic motor of high power density with special permanent magnets is used as rotary drives for the guide heads.
  • the invention has for its object to provide a generic device with an electric motor as a rotary drive, which has a small motor volume with high power (high power density), the winding stations can be easily adjusted to different formats, especially very narrow formats.
  • Liquid-cooled three-phase asynchronous motors provide the required acceleration and braking performance with a relatively small size.
  • the size of the motor is important because the support elements (e.g. winding frames) and the motors must be kept as close as possible to one another for small format widths.
  • the liquid-cooled motors also require supply hoses for the coolant, the pressure required in the hoses is significantly lower than in the supply hoses of hydraulic drives. It has been shown that a fluid pressure of 0.1 bar is sufficient. Due to the low pressure, the feed hoses are very flexible and can therefore easily adjust their position when changing formats.
  • the subclaims contain preferred, since particularly advantageous, embodiments of the invention.
  • the use of a three-phase asynchronous motor with a water- or oil-cooled stator winding according to claim 3 enables a small motor volume with high output, since in these motors the heat is generated mainly in the stator winding and the control via a frequency converter is the least complex (claim 4).
  • a supply roll not shown
  • a driven support roller 8 On both sides of the support roller 8 there are winding stations 9, 10, each consisting of two support elements which can be moved parallel to the support roller axis.
  • the support elements are winding blocks 11, 12, and the use of pivotable support arms is also possible.
  • Each winding block 11, 12 carries on its upper side a slide 13, 14 which can be moved radially to the support roller 8 and on which a guide head 15, 16 is fastened with its rotary drive 17, 18.
  • the guide heads 15, 16 are retractable for holding and driving the winding roll 19, 20 in its winding tubes.
  • Three-phase asynchronous motors are used as rotary drives 17, 18, the stator winding of which is cooled with water. Cooling with oil is also possible.
  • the housings of the motors 17, 18 have circumferential cooling channels for the cooling liquid. So that the winding stands 11, 12 can be moved as close as possible to one another for narrow formats, the motors 17, 18 are installed in the longitudinal direction, that is to say in the web running direction, and are connected to the guide heads 15, 16 via an angular gear.
  • the gears are flanged to the motors 17, 18, each flange also having cooling channels. In the flange area, cooling can be increased to also dissipate heat generated in the transmission.
  • a regulating or control device (not shown) regulates or controls the winding hardness of the winding rollers 19, 20 via the torques of the motors 17, 18.
  • the torque regulation or control is carried out via a frequency converter.
  • direct current or servo motors can also be used, the stator winding of which is cooled with water or oil.
  • DC motors require more complex maintenance due to the wear of carbon brushes, and a complex control concept is required for servomotors.
  • the cooling channels of the motors 17, 18 are connected to supply hoses for coolant, which are supplied by a common cooling system outside the winding machine.
  • the supply hoses on each side of the winding machine are combined into tows, due to the low pressure in the hoses (0.1 bar), the hoses are very flexible and can therefore be arranged in a space-saving manner and easily moved with a format adjustment. Furthermore, the risk of leaks is minimal at the low pressure.
  • a longitudinal cutting device 21 is arranged above the support roller 8 in the area between the guide rollers 6 and 7 and consists of a plurality of pairs of circular knives 21.1, 21.2 which can be adjusted transversely to the running direction to different format widths of the individual webs to be cut.
  • a roller 22 is supported on the side pivot levers 23 against the support roller 8 in the area wrapped by the webs 1.
  • the roller 22 serves, together with the support roller 8, to interrupt the tension of the webs 1 in front of the winding stations 9, 10.
  • the tension behind the nip formed by the roller 22 and the support roller 8 is determined by the torques of the motors 17, 18 by means of a frequency converter regulated to the value required for the desired winding hardness.
  • the tension for each winding roller 19, 20 can be regulated individually via the motors 17, 18, so that each winding station 9, 10 can be operated as an independent winding machine.
  • the winding machine is preferably used for producing rolls with a large diameter (for example 1.5 m) from HWC (High Weight Coated) papers. These papers are sensitive to marking so that the line force on the support roller 8 should be kept low. Since the tension of the web 1 required for winding is applied by the drives 17, 18, the line force with which the winding rollers 19, 20 are pressed against the support roller 8 can be kept at values less than 30 N / m during the winding. The line force should, however, be at least 10 N / m, so that no air is wrapped in and 1 round winding rolls are wound even in the event of profile fluctuations in the web.
  • HWC High Weight Coated

Landscapes

  • Winding Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

PCT No. PCT/EP91/00604 Sec. 371 Date Jan. 22, 1992 Sec. 102(e) Date Jan. 22, 1992 PCT Filed Mar. 28, 1991 PCT Pub. No. WO91/17106 PCT Pub. Date Nov. 14, 1991.A winding device includes a support roller receiving strips of a material web to be wound up on two coil rollers mounted on respective winding supports flanking the support roller and movable parallel to an axis of the support roller along with respective electric motors actuating respective drive heads and getting cooled by respective flexible carriers movable along with the winding supports.

Description

Technisches GebietTechnical field

Die Erfindung betrifft eine Vorrichtung zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen, auf Wickelhülsen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for winding material webs, in particular paper or cardboard webs, onto winding cores according to the preamble of patent claim 1.

Stand der TechnikState of the art

Aus dem Aufsatz 'Rollenschneid- und Rollmaschinen für die Papierausrüstung, Teil 3' in COATING 1/89, Seiten 8-12, ist eine Aufwickelvorrichtung bekannt, die eine angetriebene Stützwalze und beidseits der Stützwalze angeordnete Wickelstationen aufweist. Jede Wickelstation besteht aus zwei schwenkbaren Tragarmen, die jeweils mit einem hydraulischen Wickelantrieb ausgerüstet sind. Die beiden Hydromotoren einer Wickelstation sind parallel geschaltet und werden von einer hydraulischen Verstellpumpe gespeist.From the article 'Roll cutting and rolling machines for paper equipment, part 3' in COATING 1/89, pages 8-12, a winding device is known which has a driven support roller and winding stations arranged on both sides of the support roller. Each winding station consists of two swiveling support arms, each of which is equipped with a hydraulic winding drive. The two hydraulic motors of a winding station are connected in parallel and are fed by a hydraulic variable pump.

Hydraulikantriebe weisen zwar bei hohen Leistungen verhältnismäßig geringe Größe auf, es hat sich jedoch gezeigt, daß ihr Einsatz an Wickelmaschinen Nachteile mit sich bringt:Although hydraulic drives are relatively small in size at high outputs, it has been shown that their use on winding machines has disadvantages:

So sind außerhalb der Wickelmaschine große Hydraulikanlagen erforderlich, und die Verstellung der Wickelstationen beim Formatwechsel bereitet Probleme. Aufgrund des erforderlich hohen Drucks (z. B. 300 bar) in den Zufuhrschläuchen, sind diese sehr steif und lassen sich daher bei einer Formatverstellung nur schwierig in die erforderliche neue Lage bringen. Darüber hinaus ist die erforderliche Regelung bei Hydraulikantrieben sehr komplex.Large hydraulic systems are required outside the winding machine, and the adjustment of the winding stations when changing formats creates problems. Due to the required high pressure (e.g. 300 bar) in the supply hoses, they are very stiff and can therefore only be difficult to adjust in the format bring required new location. In addition, the control required for hydraulic drives is very complex.

Die EP-A-0 324 707 beschreibt eine gattungsgemäße Aufwickelvorrichtung, bei der ein Gleichstrommagnetmotor hoher Leistungsdichte mit speziellen Permanentmagneten als Drehantriebe für die Führungsköpfe eingesetzt werden.EP-A-0 324 707 describes a generic winding device in which a DC magnetic motor of high power density with special permanent magnets is used as rotary drives for the guide heads.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Vorrichtung mit einem Elektromotor als Drehantrieb zu schaffen, der ein geringes Motorvolumen bei großen Leistungen (hoher Leistungsdichte) aufweist, wobei die Wickelstationen problemlos auf unterschiedliche Formate, insbesondere auf sehr schmale Formate, eingestellt werden können.The invention has for its object to provide a generic device with an electric motor as a rotary drive, which has a small motor volume with high power (high power density), the winding stations can be easily adjusted to different formats, especially very narrow formats.

Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.

Flüssigkeitsgekühlte Drehstromasynchronmotoren erbringen die geforderte Beschleunigungs- und Bremsleistung bei relativ geringer Baugröße. Die Größe des Motors ist von Bedeutung, da die Tragelemente (z. B. Wickelböcke) mit den Motoren für geringe Formatbreiten auf möglichst geringen Abstand voneinander gebracht werden müssen. Zwar benötigen die flüssigkeitsgekühlten Motoren ebenfalls Zufuhrschläuche für die Kühlflüssigkeit, jedoch ist der erforderliche Druck in den Schläuchen bedeutend geringer als in den Versorgungsschläuchen von Hydraulikantrieben. Es hat sich gezeigt, daß ein Flüssigkeitsdruck von 0,1 bar ausreicht. Aufgrund des geringen Drucks sind die Zufuhrschläuche sehr biegsam und können ihre Position somit bei einem Formatwechsel problemlos anpassen.Liquid-cooled three-phase asynchronous motors provide the required acceleration and braking performance with a relatively small size. The size of the motor is important because the support elements (e.g. winding frames) and the motors must be kept as close as possible to one another for small format widths. Although the liquid-cooled motors also require supply hoses for the coolant, the pressure required in the hoses is significantly lower than in the supply hoses of hydraulic drives. It has been shown that a fluid pressure of 0.1 bar is sufficient. Due to the low pressure, the feed hoses are very flexible and can therefore easily adjust their position when changing formats.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausführungsformen der Erfindung. Insbesondere der Einsatz eines Drehstromasynchronmotors mit wasser- oder ölgekühlter Statorwicklung nach Patentanspruch 3 ermöglicht ein geringes Motorvolumen bei großer Leistung, da bei diesen Motoren die Wärmebildung hauptsächlich in der Statorwicklung erfolgt und die Regelung über einen Frequenzumformer am wenigsten aufwendig ist (Patentanspruch 4).The subclaims contain preferred, since particularly advantageous, embodiments of the invention. In particular, the use of a three-phase asynchronous motor with a water- or oil-cooled stator winding according to claim 3 enables a small motor volume with high output, since in these motors the heat is generated mainly in the stator winding and the control via a frequency converter is the least complex (claim 4).

Kurze Beschreibung der ZeichnungBrief description of the drawing

Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten Ausführungsbeispiels.

  • Fig. 1 zeigt in Seitenansicht eine Stützwalzen-Wickelmaschine nach der Erfindung.
The drawing serves to explain the invention with reference to an embodiment shown in simplified form.
  • Fig. 1 shows a side view of a backup roll winding machine according to the invention.

Wege zur Ausführung der ErfindungWays of Carrying Out the Invention

Die von einer nicht dargestellten Vorratsrolle abgezogene Materialbahn 1, im vorliegenden Beispiel eine Papierbahn, wird von Leitrollen 2 - 7 von oben an eine angetriebene Stützwalze 8 geführt. Zu beiden Seiten der Stützwalze 8 sind Wickelstationen 9, 10 angeordnet, die jeweils aus zwei parallel zur Stützwalzenachse verfahrbaren Tragelementen bestehen. Im vorliegenden Beispiel sind die Tragelemente Wickelböcke 11, 12, ebenso ist der Einsatz von schwenkbaren Tragarmen möglich. Jeder Wickelbock 11, 12 trägt an seiner Oberseite einen radial zur Stützwalze 8 verfahrbaren Schlitten 13, 14, an dem ein Führungskopf 15, 16 mit seinem Drehantrieb 17, 18 befestigt ist. Die Führungsköpfe 15, 16 sind zum Halten und Antreiben der Wickelrolle 19, 20 in deren Wickelhülsen einfahrbar.The web of material 1 drawn off from a supply roll (not shown), in the present example a paper web, is guided by guide rollers 2-7 from above to a driven support roller 8. On both sides of the support roller 8 there are winding stations 9, 10, each consisting of two support elements which can be moved parallel to the support roller axis. In the present example, the support elements are winding blocks 11, 12, and the use of pivotable support arms is also possible. Each winding block 11, 12 carries on its upper side a slide 13, 14 which can be moved radially to the support roller 8 and on which a guide head 15, 16 is fastened with its rotary drive 17, 18. The guide heads 15, 16 are retractable for holding and driving the winding roll 19, 20 in its winding tubes.

Als Drehantriebe 17, 18 sind Drehstromasynchronmotoren eingesetzt, deren Statorwicklung mit Wasser gekühlt wird. Ebenso ist eine Kühlung mit Öl möglich. Dazu weisen die Gehäuse der Motoren 17, 18 umlaufende Kühlkanäle für die Kühlflüssigkeit auf. Damit die Wickelböcke 11, 12 für schmale Formate möglichst nahe aneinandergefahren werden können, sind die Motoren 17, 18 in Längsrichtung, also in Bahnlaufrichtung eingebaut und über ein Winkelgetriebe mit den Führungsköpfen 15, 16 verbunden. Die Getriebe sind jeweils an den Motoren 17, 18 angeflanscht, wobei jeder Flansch ebenfalls Kühlkanäle aufweist. Im Flanschbereich kann so verstärkt gekühlt werden, um im Getriebe entstehende Wärme ebenfalls abzuführen. Eine nicht dargestellte Regel- oder Steuereinrichtung regelt oder steuert die Wickelhärte der Wickelrollen 19, 20 über die Drehmomente der Motoren 17, 18. Bei den im Ausführungsbeispiel eingesetzten Drehstromasynchronmotoren erfolgt die Drehmomentregelung bzw. -Steuerung über einen Frequenzumformer.Three-phase asynchronous motors are used as rotary drives 17, 18, the stator winding of which is cooled with water. Cooling with oil is also possible. For this purpose, the housings of the motors 17, 18 have circumferential cooling channels for the cooling liquid. So that the winding stands 11, 12 can be moved as close as possible to one another for narrow formats, the motors 17, 18 are installed in the longitudinal direction, that is to say in the web running direction, and are connected to the guide heads 15, 16 via an angular gear. The gears are flanged to the motors 17, 18, each flange also having cooling channels. In the flange area, cooling can be increased to also dissipate heat generated in the transmission. A regulating or control device (not shown) regulates or controls the winding hardness of the winding rollers 19, 20 via the torques of the motors 17, 18. In the three-phase asynchronous motors used in the exemplary embodiment, the torque regulation or control is carried out via a frequency converter.

Anstelle von Drehstromasynchronmotoren sind auch Gleichstrom- oder Servomotoren einsetzbar, deren Statorwicklung mit Wasser oder Öl gekühlt wird. Gleichstrommotoren benötigen jedoch aufgrund verschleißender Kohlebürsten eine aufwendigere Wartung, und bei Servomotoren ist ein aufwendiges Regelungskonzept erforderlich. Die Kühlkanäle der Motoren 17, 18 sind mit Zufuhrschläuchen für Kühlflüssigkeit verbunden, die von einer gemeinsamen Kühlanlage außerhalb der Wickelmaschine versorgt werden. Die Zufuhrschläuche jeder Seite der Wickelmaschine sind zu Schlepps zusammengefaßt, aufgrund des geringen Drucks in den Schläuchen (0,1 bar) sind die Schläuche sehr biegsam und können somit platzsparend angeordnet und bei einer Formatverstellung problemlos bewegt werden. Weiterhin ist die Gefahr von Undichtigkeiten bei dem geringen Druck minimal.Instead of three-phase asynchronous motors, direct current or servo motors can also be used, the stator winding of which is cooled with water or oil. DC motors, however, require more complex maintenance due to the wear of carbon brushes, and a complex control concept is required for servomotors. The cooling channels of the motors 17, 18 are connected to supply hoses for coolant, which are supplied by a common cooling system outside the winding machine. The supply hoses on each side of the winding machine are combined into tows, due to the low pressure in the hoses (0.1 bar), the hoses are very flexible and can therefore be arranged in a space-saving manner and easily moved with a format adjustment. Furthermore, the risk of leaks is minimal at the low pressure.

Oberhalb der Stützwalze 8 ist im Bereich zwischen den Leitrollen 6 und 7 eine Längsschneideeinrichtung 21 angeordnet, die aus mehreren Kreismesserpaaren 21.1, 21.2 besteht, die quer zur Laufrichtung auf verschiedene Formatbreiten der zu schneidenden Einzelbahnen verstellbar sind. Oberhalb der Stützwalze 8 ist eine Rolle 22 an seitlichen Schwenkhebeln 23 gegen die Stützwalze 8 in den von den Bahnen 1 umschlungenen Bereich andrückbar gelagert. Die Rolle 22 dient dazu, gemeinsam mit der Stützwalze 8 die Zugspannung der Bahnen 1 vor den Wickelstationen 9, 10 zu unterbrechen. Die Zugspannung hinter der von der Rolle 22 und der Stützwalze 8 gebildeten Klemmstelle wird über die Drehmomente der Motoren 17, 18 mittels eines Frequenzumformers auf die für die gewünschte Wickelhärte erforderlichen Wert geregelt. Dabei kann die Zugspannung für jede Wickelrolle 19, 20 individuell über die Motoren 17, 18 geregelt werden, so daß sich jede Wickelstation 9, 10 als eigenständige Wickelmaschine betreiben läßt.A longitudinal cutting device 21 is arranged above the support roller 8 in the area between the guide rollers 6 and 7 and consists of a plurality of pairs of circular knives 21.1, 21.2 which can be adjusted transversely to the running direction to different format widths of the individual webs to be cut. Above the support roller 8, a roller 22 is supported on the side pivot levers 23 against the support roller 8 in the area wrapped by the webs 1. The roller 22 serves, together with the support roller 8, to interrupt the tension of the webs 1 in front of the winding stations 9, 10. The tension behind the nip formed by the roller 22 and the support roller 8 is determined by the torques of the motors 17, 18 by means of a frequency converter regulated to the value required for the desired winding hardness. The tension for each winding roller 19, 20 can be regulated individually via the motors 17, 18, so that each winding station 9, 10 can be operated as an independent winding machine.

Bevorzugt wird die Wickelmaschine zum Herstellen von Rollen mit großem Durchmesser (z. B. 1,5 m) aus HWC-Papieren (High Weight Coated) eingesetzt. Diese Papiere sind markierungsempfindlich, so daß die Linienkraft an der Stützwalze 8 gering gehalten werden soll. Da die zum Wickeln erforderliche Zugspannung der Bahn 1 von den Antrieben 17, 18 aufgebracht wird, läßt sich die Linienkraft, mit der die Wickelrollen 19, 20 gegen die Stützwalze 8 gedrückt werden, während des Wickelns auf Werten kleiner als 30 N/m halten. Die Linienkraft sollte jedoch mindestens 10 N/m betragen, damit keine Luft eingewickelt wird und auch bei Profilschwankungen in der Bahn 1 runde Wickelrollen gewickelt werden.The winding machine is preferably used for producing rolls with a large diameter (for example 1.5 m) from HWC (High Weight Coated) papers. These papers are sensitive to marking so that the line force on the support roller 8 should be kept low. Since the tension of the web 1 required for winding is applied by the drives 17, 18, the line force with which the winding rollers 19, 20 are pressed against the support roller 8 can be kept at values less than 30 N / m during the winding. The line force should, however, be at least 10 N / m, so that no air is wrapped in and 1 round winding rolls are wound even in the event of profile fluctuations in the web.

Claims (4)

  1. Apparatus for winding up material webs (1), in particular paper or cardboard webs, on winding tubes, having a longitudinal cutting device (21) for dividing up the material web (1) into individual webs, and having winding stations (9, 10) which are arranged on both sides of a driven supporting roller (8) and each comprise two carrying elements (winding blocks 11, 12) which can be displaced parallel to the supporting-roller axis and on which there is fastened a guide head (15, 16) which can be displaced into the winding tubes, can be moved in the direction of the supporting roller (8) and has an electric motor as rotary drive (17, 18), characterized by liquid-cooled three-phase asynchronous motors as rotary drives (17, 18) for the guide heads (15, 16).
  2. Apparatus according to Claim 1, characterized by a regulating or controlling device which regulates or controls the winding hardness of the wound rolls (19, 20) via the torques of the three-phase asynchronous motors.
  3. Apparatus according to Claim 1 or 2, characterized by a three-phase asynchronous motor whose stator winding is cooled with water or oil.
  4. Apparatus according to Claim 3, characterized in that the three-phase asynchronous motor is regulated or controlled via a frequency converter.
EP91907124A 1990-05-07 1991-03-28 Device for winding up material webs Expired - Lifetime EP0481029B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4014512 1990-05-07
DE4014512A DE4014512A1 (en) 1990-05-07 1990-05-07 DEVICE FOR REWINDING MATERIALS
PCT/EP1991/000604 WO1991017106A1 (en) 1990-05-07 1991-03-28 Device for winding up material webs

Publications (2)

Publication Number Publication Date
EP0481029A1 EP0481029A1 (en) 1992-04-22
EP0481029B1 true EP0481029B1 (en) 1995-09-20

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EP91907124A Expired - Lifetime EP0481029B1 (en) 1990-05-07 1991-03-28 Device for winding up material webs

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US (1) US5308006A (en)
EP (1) EP0481029B1 (en)
JP (1) JP2929505B2 (en)
AT (1) ATE128095T1 (en)
CA (1) CA2064076C (en)
DE (2) DE4014512A1 (en)
ES (1) ES2080310T3 (en)
FI (1) FI107602B (en)
WO (1) WO1991017106A1 (en)

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DE19731060B4 (en) * 1996-09-04 2004-06-24 Voith Paper Patent Gmbh Process and winding machine for winding paper or cardboard webs

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EP0778809B1 (en) * 1995-06-28 1999-11-03 Voith Sulzer Papiertechnik Patent GmbH Method and device for continuously winding up a continuous paper web
DE19716887A1 (en) * 1997-04-22 1998-10-29 Voith Sulzer Papiermasch Gmbh Winding machine
DE19727326A1 (en) * 1997-06-27 1999-01-07 Voith Sulzer Finishing Gmbh Roll cutting device
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ES2182717B1 (en) * 2001-07-27 2004-06-01 Calderi, S.L. NEW AUTOMATION, CONTROL AND REGULATION SYSTEM, FOR MANUFACTURING FACILITIES OF ONDULATED CARTON.
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CN111747169A (en) * 2020-06-22 2020-10-09 深圳市友利特精密机械制造有限公司 Winding mechanism and material splitting machine

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WO1998009901A1 (en) * 1996-09-04 1998-03-12 Jagenberg Papiertechnik Gmbh Winding-up process and machine for winding up paper or cardboard webs
US6234419B1 (en) 1996-09-04 2001-05-22 Jagenberg Papiertechnik Gmbh Winding-up process and machine for winding up paper or cardboard webs
DE19731060B4 (en) * 1996-09-04 2004-06-24 Voith Paper Patent Gmbh Process and winding machine for winding paper or cardboard webs

Also Published As

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ATE128095T1 (en) 1995-10-15
WO1991017106A1 (en) 1991-11-14
ES2080310T3 (en) 1996-02-01
EP0481029A1 (en) 1992-04-22
DE4014512A1 (en) 1991-11-14
CA2064076C (en) 2003-05-06
FI107602B (en) 2001-09-14
CA2064076A1 (en) 1991-11-08
FI920040A0 (en) 1992-01-03
DE4014512C2 (en) 1992-03-12
JPH05500649A (en) 1993-02-12
JP2929505B2 (en) 1999-08-03
US5308006A (en) 1994-05-03
DE59106521D1 (en) 1995-10-26

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