EP0909253B1 - Unwinder device for reels - Google Patents

Unwinder device for reels Download PDF

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Publication number
EP0909253B1
EP0909253B1 EP98916895A EP98916895A EP0909253B1 EP 0909253 B1 EP0909253 B1 EP 0909253B1 EP 98916895 A EP98916895 A EP 98916895A EP 98916895 A EP98916895 A EP 98916895A EP 0909253 B1 EP0909253 B1 EP 0909253B1
Authority
EP
European Patent Office
Prior art keywords
unwinding
bar
load
bearing
framework
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
EP98916895A
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German (de)
French (fr)
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EP0909253A1 (en
Inventor
Karl Thievessen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Paper Jagenberg GmbH
Original Assignee
Jagenberg Papiertechnik GmbH
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Filing date
Publication date
Application filed by Jagenberg Papiertechnik GmbH filed Critical Jagenberg Papiertechnik GmbH
Publication of EP0909253A1 publication Critical patent/EP0909253A1/en
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Anticipated expiration legal-status Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/02Supporting web roll
    • B65H16/06Supporting web roll both-ends type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12Lifting, transporting, or inserting the web roll; Removing empty core
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/413Supporting web roll
    • B65H2301/4134Both ends type arrangement
    • B65H2301/41346Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/417Handling or changing web rolls
    • B65H2301/418Changing web roll
    • B65H2301/4185Core or mandrel discharge or removal, also organisation of core removal
    • B65H2301/41856Core or mandrel discharge or removal, also organisation of core removal by stripping core from mandrel or chuck, e.g. by spring mechanism

Definitions

  • the invention relates to a rolling device for winding rolls, in particular for paper or Cardboard rolls, according to the preamble of claim 1.
  • Such unwinding devices are used in the paper or cardboard processing industry used to make one or more paper or cardboard webs from one or pull off several winding rolls and the subsequent processing machine, e.g. B. a cross cutting machine.
  • the winding roll is during the Unwinding between two guide heads, each supported on a support arm clamped and held by them.
  • To load with a new one Winding reel for unloading the remainder of the reel and for adjusting to different Roll widths are the support arms with the guide heads towards each other and mounted movable away from each other.
  • the guide heads for Lifting a new winding roll from a pick-up position on the floor to one Unwind position are moved up.
  • German utility model G 85 11 986 is a generic Unrolling device is known, which has a cross-beam on which the support beam crosswise are slidably mounted.
  • the length of the supporting beams can be changed and can be carried at their ends guide heads that can move into the sleeve of a winding roll.
  • the Support beams can also be swung up to create space which the device is loaded from the side with a new winding roll can.
  • the invention has for its object to a generic device improve that the winding rolls without exact positioning by means of complex Alignment devices can be included.
  • the linear actuator can also be used as a rotary actuator serve to the desired pivoting movement when moving the support arms cause.
  • FIGS. 2 and 3 are multiple (e.g. four) unrollers in one Machine frame arranged one behind the other, two of which are shown in FIGS. 2 and 3 are shown. It can thus several paper or cardboard webs 1 at the same time subtracted from winding rolls 2 and superimposed on a subsequent one Processing machine, in the example of a cross cutting machine, are fed.
  • the machine frame consists of side stands 3, on which each A side member 4 rests on the machine side.
  • the stand 3 are located on the side outside the working width, i.e. the maximum width of a winding roll 2, and are in Longitudinal direction preferably spaced so far apart that a Winding roll 2 can be fed from the side along its axial direction.
  • the loading with new winding rolls 2 in the direction of web travel done from behind or in front.
  • the new winding rolls 2 are then perpendicular to conveyed their axial direction in Figure 2 from the left or right into the machine frame.
  • Cross beams 5, 6 There are two for each unwinding device on the underside of the longitudinal beams 4
  • Cross beams 5, 6 which are arranged in parallel with some distance from each other and extend beyond the working width.
  • On the two cross beams 5, 6 is in each case one over the working width to the outside over the two longitudinal beams 4 extending roll bar 7 can be raised and lowered on traction means, preferably on ropes 8 as in the embodiment, hung.
  • the suspension is on straps or chains possible.
  • each rope will be 8 from the respective slide 9, 10 initially to the outside via deflection rollers 11, 12 performed, which at the end of the cross member 5, 6 freely rotatable on itself in the longitudinal direction extending axis 13 are mounted.
  • deflection rollers 11, 12 In the down from the pulleys 11, 12 deflected loop of each rope 8 is the unwinding bar 7 on each side of the machine a pulley 14, 15 hooked in, which rotates freely in one at the end of the unrolling bar 7 attached head plate 16 is mounted.
  • a spindle motor 17, which is connected to the Cross member 6 is attached and a spindle 18 extending over the working width drives which is guided by an internal thread in the two adjustment slides 9, 10.
  • the spindle 18 has a left-hand thread on one machine side and on the other Machine side a right-hand thread, so that when turning by means of Spindle motor 17, the two adjustment slides 9, 10 synchronously to each other or move away from each other. These movements result in the two loops the ropes 8 are shortened or lengthened synchronously on both machine sides and raise or lower the unwind bar 7.
  • a pulling on the ropes 8 can be used as the lifting drive for the rolling bar 7 Piston-cylinder unit or a winch can be used, or the ropes 8 can be arranged like a pulley to the necessary To reduce the torque of the linear actuator 17.
  • the unrolling bar 7 is designed as a double-T beam and carries on each side of the machine each have a downwardly extending roll arm 19, 20. At the free end each roll arm 19, 20 is attached to a bearing housing 21, the inside one Guide head 22 for moving into the sleeve of a winding roll 2 and one on the outside the brake head 23 connected to the guide head.
  • the support arms 19, 20 are on Roll-off bar 7 is mounted so that it can be moved across rollers so that the guide heads 22 in the sleeve of a winding roll 2 can be extended and retracted.
  • the cross adjustment the support arms 19, 20 are carried out with a spindle drive, the spindle motor 24 of one side of the rolling bar 7 is attached to the head plate 16.
  • the spindle 25 runs parallel to the underside of the roll bar 7 and rotates in spindle nuts, which in the bearings of the rolling arms 19, 20 are fitted on the rolling bar 7.
  • the spindle 25 has a left-hand thread on one machine side the other side of the machine has a right-hand thread so that when turning by means of the spindle motor 24, the two support arms 19, 20 synchronously towards one another and move away from each other.
  • the spindle 25 is in the middle of the machine on the unwinding beam 7 fixed bearing 26 axially slidably mounted, so that a winding roll 2nd positioned relative to the subsequent processing machine in the axial direction can be.
  • the two support arms 19, 20 Equidistantly shifted by means of an additional motor 27, which on the Spindle motor 24 opposite side is attached to the top plate 16 there.
  • the spindle nut 28 on this side in the head plate 16 rotatably supported and can be rotated by the motor 27. A rotation of the Spindle nut 28 thus leads to an axial displacement of the entire spindle 25 the support arms 19, 20.
  • the unrolling bar 7 with all parts attached to it (unrolling arms 19, 20, guide heads 22, brakes 23, motors 24, 27 etc.) is - as shown on the left in FIG the axis of rotation of the pulleys 14, 15 pivotable so that by pivoting the Support arms 19, 20 with the attached parts created a lateral clearance is through which a new winding roll 2 in the axial direction from the outside in the area can be promoted between the support arms 19, 20. So that the support arms 19, 20 automatically move into a vertical position, is the focus of the pivotable roll bar 7 with the attached parts below it Axis of rotation of the pulleys 14, 15.
  • the pivoting movement of the unwinding beam 7 takes place automatically when lifting, provided that the front (in Figure 1 right) roll arm 20 in a certain transverse position outside the range of the maximum working width located.
  • a stop plate 29 in the area of the longitudinal beams 4 arranged below the cross member 5, 6, against which a guide arm 30 at Run up bumps, which is angled upward attached to the support arm 20.
  • the Guide arm 30 carries a roller 31 at its end, which acts on stop plate 29 rolls off.
  • a stop profile 32 is fastened, which is approximately parallel to the stop plate 29 runs and has on both sides of the rope 8 stops 33, 34 with which the Unrolling bar 7 can be fixed in the unwinding position on the cross members 5, 6.
  • the right stop 34 in FIG. 2 of the stop profile 32 is designed as a roller. He also serves to pivot the support arms 19, 20 on the guide plate 29 roll and so continue the pivoting movement when the roller 31st of the arm 30 has left the guide plate 29.
  • the unwinding bar 7 is raised - as shown on the left in FIG. 3 - until the guide arm 30 moves against the stop plate 29 and thus a pivoting movement causes. There is a lateral space through which a new winding roll 2 in the Device is promoted.
  • the unrolling bar 7 with the support arms 19, 20 first lowered, and then the support arms 19, 20 moved together until the roller 31 leaves the guide plate 29, wherein the support arms 19, 20 align vertically due to their own weight.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Description

Technisches GebietTechnical field

Die Erfindung betrifft eine Abrollvorrichtung für Wickelrollen, insbesondere für Papier-oder Kartonrollen, gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a rolling device for winding rolls, in particular for paper or Cardboard rolls, according to the preamble of claim 1.

In der papier- oder kartonverarbeitenden Industrie werden derartige Abrollvorrichtungen eingesetzt, um eine oder mehrere Papier- oder Kartonbahnen von einer oder mehreren Wickelrollen abzuziehen und der nachfolgenden Verarbeitungsmaschine, z. B. einer Querschneidemaschine, zuzuführen. Die Wickelrolle wird während des Abwickelns achslos zwischen zwei, jeweils an einem Tragarm gelagerten Führungsköpfen eingespannt und wird von diesen gehalten. Zum Beladen mit einer neuen Wickelrolle, zum Entladen des Rollenrestes und zur Einstellung auf verschiedene Rollenbreiten sind die Tragarme mit den Führungsköpfen aufeinander zu- und voneinander wegbewegbar gelagert. Zusätzlich können die Führungsköpfe zum Anheben einer neuen Wickelrolle aus einer Aufnahmeposition am Boden bis in eine Abwickelposition hochbewegt werden.Such unwinding devices are used in the paper or cardboard processing industry used to make one or more paper or cardboard webs from one or pull off several winding rolls and the subsequent processing machine, e.g. B. a cross cutting machine. The winding roll is during the Unwinding between two guide heads, each supported on a support arm clamped and held by them. To load with a new one Winding reel, for unloading the remainder of the reel and for adjusting to different Roll widths are the support arms with the guide heads towards each other and mounted movable away from each other. In addition, the guide heads for Lifting a new winding roll from a pick-up position on the floor to one Unwind position are moved up.

Stand der TechnikState of the art

Aus dem Deutschen Gebrauchsmuster G 85 11 986 ist eine gattungsgemäße Abrollvorrichtung bekannt, die eine Quertraverse aufweist, an der die Tragbalken quer verschiebbar gelagert sind. Die Tragbalken sind in ihrer Länge veränderbar und tragen an ihren Enden Führungsköpfe, die in die Hülse einer Wickelrolle einfahren können. Die Tragbalken sind zusätzlich hochschwenkbar, um einen Freiraum zu schaffen, durch den die Vorrichtung von der Seite her mit einer neuen Wickelrolle beschickt werden kann. From the German utility model G 85 11 986 is a generic Unrolling device is known, which has a cross-beam on which the support beam crosswise are slidably mounted. The length of the supporting beams can be changed and can be carried at their ends guide heads that can move into the sleeve of a winding roll. The Support beams can also be swung up to create space which the device is loaded from the side with a new winding roll can.

Bei den bekannten Abrollvorrichtungen ist es erforderlich, eine neue Wickelrolle in der Aufnahmeposition relativ genau zu positionieren, damit die Führungsköpfe problemlos in die Hülse einfahren können. Zu große Abweichungen von der Soll-Position der Wickelrolle können zu einem Verklemmen der Führungsköpfe beim Einfahren führen. Es sind daher aufwendige Ausrichtvorrichtungen (z. B. spezielle Hebevorrichtungen) erforderlich, um die Wickelrolle mit der erforderlichen Genauigkeit in ihrer Aufnahmeposition zu positionieren, falls die Rollenaufnahme automatisch erfolgen soll.In the known unwinding devices, it is necessary to have a new winding roll in the Position the pick-up position relatively precisely, so that the guide heads are easy can drive into the sleeve. Deviations from the target position of the Winding rollers can cause the guide heads to jam when retracting. They are therefore complex alignment devices (e.g. special lifting devices) required to position the winding roll with the required accuracy to be positioned if the roll is to be picked up automatically.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Vorrichtung so zu verbessern, daß die Wickelrollen ohne exakte Positionierung mittels aufwendiger Ausrichtvorrichtungen aufgenommen werden können.The invention has for its object to a generic device improve that the winding rolls without exact positioning by means of complex Alignment devices can be included.

Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst. Nach der Erfindung sind die Tragarme mit den Führungsköpfen in Bahnlaufrichtung (i. e. die Längsrichtung der Maschine) frei pendelnd bewegbar aufgehängt. Beim Bewegen in die Hülse positionieren sich die Führungsköpfe selbsttätig, sofern nur die Spitze des Führungskopfes die Hülse trifft. Bei größeren Abweichungen von der Hülsenposition können die Führungsköpfe einfach von einer Bedienungsperson fluchtend zur Hülse ausgerichtet werden.This object is achieved with the features of patent claim 1. After Invention are the support arms with the guide heads in the web running direction (i. E. The Lengthwise direction of the machine) freely suspended and suspended. When moving in The sleeve positions the guide heads automatically, provided that only the tip of the Guide head hits the sleeve. With larger deviations from the sleeve position the guide heads can easily be aligned with the sleeve by an operator be aligned.

Als weiterer Vorteil tritt hinzu, daß es ohne großen konstruktiven Aufwand möglich ist, die Tragarme seitlich hochzuschwenken, um Platz zum Beschicken mit einer neuen Wickelrolle zu schaffen. Der Hubantrieb kann zugleich als Schwenkantrieb dienen, um beim Hochbewegen der Tragarme die gewünschte Schwenkbewegung zu bewirken.Another advantage is that it is possible without great design effort is to swing the support arms up sideways to make room for loading with a to create a new winding roll. The linear actuator can also be used as a rotary actuator serve to the desired pivoting movement when moving the support arms cause.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung.The subclaims contain preferred, since particularly advantageous, configurations the invention.

Kurze Beschreibung der ZeichnungBrief description of the drawing

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

Figur 1
zeigt eine Frontansicht in Bahnlaufrichtung, die
Figuren 2 und 3
zeigen jeweils eine Seitenansicht, wobei verschiedene Arbeitspositionen dargestellt sind.
The drawing serves to explain the invention with reference to an embodiment shown in simplified form.
Figure 1
shows a front view in the web running direction, the
Figures 2 and 3
each show a side view, different working positions are shown.

Wege zur Ausführung der ErfindungWays of Carrying Out the Invention

Bei dem in den Figuren dargestellten und nachfolgend beschriebenen Ausführungsbeispiel sind mehrere (beispielsweise vier) Abrollvorrichtungen in einem gemeinsamen Maschinengestell hintereinander angeordnet, von denen jeweils zwei in den Figuren 2 und 3 dargestellt sind. Es können so mehrere Papier- oder Kartonbahnen 1 gleichzeitig von Wickelrollen 2 abgezogen und übereinanderliegend einer nachfolgenden Verarbeitungsmaschine, im Beispiel einer Querschneidemaschine, zugeführt werden.In the embodiment shown in the figures and described below are multiple (e.g. four) unrollers in one Machine frame arranged one behind the other, two of which are shown in FIGS. 2 and 3 are shown. It can thus several paper or cardboard webs 1 at the same time subtracted from winding rolls 2 and superimposed on a subsequent one Processing machine, in the example of a cross cutting machine, are fed.

Das Maschinengestell besteht aus seitlichen Ständern 3, auf denen an jeder Maschinenseite ein Längsträger 4 aufliegt. Die Ständer 3 befinden sich seitlich außerhalb der Arbeitsbreite, i.e. die maximale Breite einer Wickelrolle 2, und sind in Längsrichtung bevorzugt mit so großem Abstand voneinander angeordnet, daß eine Wickelrolle 2 entlang ihrer Achsrichtung von der Seite her zugeführt werden kann. Alternativ kann die Beschickung mit neuen Wickelrollen 2 auch in Bahnlaufrichtung von hinten oder vorne erfolgen. Die neuen Wickelrollen 2 werden dann senkrecht zu ihrer Achsrichtung in Figur 2 von links oder rechts in das Maschinengestell gefördert.The machine frame consists of side stands 3, on which each A side member 4 rests on the machine side. The stand 3 are located on the side outside the working width, i.e. the maximum width of a winding roll 2, and are in Longitudinal direction preferably spaced so far apart that a Winding roll 2 can be fed from the side along its axial direction. Alternatively, the loading with new winding rolls 2 in the direction of web travel done from behind or in front. The new winding rolls 2 are then perpendicular to conveyed their axial direction in Figure 2 from the left or right into the machine frame.

Für jede Abrollvorrichtung sind an der Unterseite der Längsträger 4 jeweils zwei Querträger 5, 6 befestigt, die parallel mit etwas Abstand voneinander angeordnet sind und sich bis über die Arbeitsbreite hinaus erstrecken. An den beiden Querträgern 5, 6 ist jeweils ein sich über die Arbeitsbreite bis außen über die beiden Längsträger 4 erstreckender Abrollbalken 7 heb- und senkbar an Zugmitteln, bevorzugt an Seilen 8 wie im Ausführungsbeispiel, aufgehängt. Alternativ ist die Aufhängung an Riemen oder Ketten möglich. An jeder Maschinenseite ist ein Seil 8 in einer Schlaufe angeordnet, dessen beide Enden jeweils in einem an den Querträgern 5, 6 verschiebbaren Verstellschlitten 9, 10 befestigt sind. Die beiden Trums jedes Seils 8 werden von dem jeweiligen Schlitten 9, 10 zunächst nach außen über Umlenkrollen 11, 12 geführt, die am Ende der Querträger 5, 6 frei drehbar auf einer sich in Längsrichtung erstreckenden Achse 13 gelagert sind. In die von den Umlenkrollen 11, 12 nach unten umgelenkte Schlaufe jedes Seils 8 ist der Abrollbalken 7 an jeder Maschinenseite mit einer Seilrolle 14, 15 eingehängt, die frei drehbar in einer am Ende des Abrollbalkens 7 befestigten Kopfplatte 16 gelagert ist.There are two for each unwinding device on the underside of the longitudinal beams 4 Cross beams 5, 6 attached, which are arranged in parallel with some distance from each other and extend beyond the working width. On the two cross beams 5, 6 is in each case one over the working width to the outside over the two longitudinal beams 4 extending roll bar 7 can be raised and lowered on traction means, preferably on ropes 8 as in the embodiment, hung. Alternatively, the suspension is on straps or chains possible. There is a rope 8 in a loop on each side of the machine arranged, the two ends of which are each displaceable in a on the cross members 5, 6 Adjustment slide 9, 10 are attached. The two runs of each rope will be 8 from the respective slide 9, 10 initially to the outside via deflection rollers 11, 12 performed, which at the end of the cross member 5, 6 freely rotatable on itself in the longitudinal direction extending axis 13 are mounted. In the down from the pulleys 11, 12 deflected loop of each rope 8 is the unwinding bar 7 on each side of the machine a pulley 14, 15 hooked in, which rotates freely in one at the end of the unrolling bar 7 attached head plate 16 is mounted.

Als Hubantrieb für den Abrollbalken 7 dient ein Spindelmotor 17, der an den Querträger 6 befestigt ist und eine sich über die Arbeitsbreite erstreckende Spindel 18 antreibt, die durch ein Innengewinde in den beiden Verstellschlitten 9, 10 geführt ist. Die Spindel 18 weist an einer Maschinenseite ein Linksgewinde, an der anderen Maschinenseite ein Rechtsgewinde auf, so daß bei einer Drehung mittels des Spindelmotors 17 sich die beiden Verstellschlitten 9, 10 synchron aufeinander zu oder voneinander weg bewegen. Diese Bewegungen führen dazu, daß die beiden Schlaufen der Seile 8 an beiden Maschinenseiten synchron verkürzt oder verlängert werden und so den Abrollbalken 7 anheben oder absenken.A spindle motor 17, which is connected to the Cross member 6 is attached and a spindle 18 extending over the working width drives which is guided by an internal thread in the two adjustment slides 9, 10. The spindle 18 has a left-hand thread on one machine side and on the other Machine side a right-hand thread, so that when turning by means of Spindle motor 17, the two adjustment slides 9, 10 synchronously to each other or move away from each other. These movements result in the two loops the ropes 8 are shortened or lengthened synchronously on both machine sides and raise or lower the unwind bar 7.

Alternativ kann als Hubantrieb für den Abrollbalken 7 eine an den Seilen 8 ziehende Kolben-Zylinder-Einheit oder eine Seilwinde eingesetzt werden, oder die Seile 8 können nach Art eines Flaschenzugs angeordnet werden, um das notwendige Drehmoment des Hubantriebs 17 zu verringern.Alternatively, a pulling on the ropes 8 can be used as the lifting drive for the rolling bar 7 Piston-cylinder unit or a winch can be used, or the ropes 8 can be arranged like a pulley to the necessary To reduce the torque of the linear actuator 17.

Der Abrollbalken 7 ist als Doppel-T-Träger ausgebildet und trägt an jeder Maschinenseite jeweils einen sich nach unten erstreckenden Abrollarm 19, 20. Am freien Ende jedes Abrollarms 19, 20 ist jeweils ein Lagergehäuse 21 befestigt, das innen einen Führungskopf 22 zum Einfahren in die Hülse einer Wickelrolle 2 und außen eine mit dem Führungskopf verbundene Bremse 23 trägt. Die Tragarme 19, 20 sind am Abrollbalken 7 über Rollen quer verschiebbar gelagert, damit die Führungsköpfe 22 in die Hülse einer Wickelrolle 2 ein- und ausgefahren werden können. Die Querverstellung der Tragarme 19, 20 erfolgt mit einem Spindeltrieb, dessen Spindelmotor 24 an einer Seite des Abrollbalkens 7 an der Kopfplatte 16 befestigt ist. Die Spindel 25 verläuft parallel zur Unterseite des Abrollbalkens 7 und dreht in Spindelmuttern, die in den Lagerungen der Abrollarme 19, 20 an dem Abrollbalken 7 eingepaßt sind. Ebenso wie die Spindel 18 weist die Spindel 25 an einer Maschinenseite ein Linksgewinde, an der anderen Maschinenseite ein Rechtsgewinde auf, so daß sich bei einer Drehung mittels des Spindelmotors 24 die beiden Tragarme 19, 20 synchron aufeinander zu und voneinander weg bewegen.The unrolling bar 7 is designed as a double-T beam and carries on each side of the machine each have a downwardly extending roll arm 19, 20. At the free end each roll arm 19, 20 is attached to a bearing housing 21, the inside one Guide head 22 for moving into the sleeve of a winding roll 2 and one on the outside the brake head 23 connected to the guide head. The support arms 19, 20 are on Roll-off bar 7 is mounted so that it can be moved across rollers so that the guide heads 22 in the sleeve of a winding roll 2 can be extended and retracted. The cross adjustment the support arms 19, 20 are carried out with a spindle drive, the spindle motor 24 of one side of the rolling bar 7 is attached to the head plate 16. The spindle 25 runs parallel to the underside of the roll bar 7 and rotates in spindle nuts, which in the bearings of the rolling arms 19, 20 are fitted on the rolling bar 7. As well Like the spindle 18, the spindle 25 has a left-hand thread on one machine side the other side of the machine has a right-hand thread so that when turning by means of the spindle motor 24, the two support arms 19, 20 synchronously towards one another and move away from each other.

Zusätzlich ist die Spindel 25 in der Maschinenmitte in einem am Abrollbalken 7 befestigten Lager 26 begrenzt axial verschiebbar gelagert, damit eine Wickelrolle 2 relativ zur nachfolgenden Verarbeitungsmaschine in axialer Richtung positioniert werden kann. Bei der axialen Positionierung werden die beiden Tragarme 19, 20 äquidistant mittels eines zusätzlichen Motors 27 querverschoben, der an der dem Spindelmotor 24 abgewandten Seite an der dortigen Kopfplatte 16 befestigt ist. Für die axiale Positionierung ist die Spindelmutter 28 an dieser Seite in der Kopfplatte 16 drehbar gelagert und kann von dem Motor 27 gedreht werden. Eine Drehung der Spindelmutter 28 führt so zu einer axialen Verschiebung der gesamten Spindel 25 mit den Tragarmen 19, 20. Damit sich die Spindel 25 nicht bei einer Verstellung der Tragarme 19, 20 aufeinander zu oder voneinander weg mittels des Spindelmotors 24 aus der Spindelmutter 28 herausschraubt, ist es erforderlich, bei dieser Bewegung die Spindelmutter 28 mit dem Motor 27 synchron zu drehen.In addition, the spindle 25 is in the middle of the machine on the unwinding beam 7 fixed bearing 26 axially slidably mounted, so that a winding roll 2nd positioned relative to the subsequent processing machine in the axial direction can be. During the axial positioning, the two support arms 19, 20 Equidistantly shifted by means of an additional motor 27, which on the Spindle motor 24 opposite side is attached to the top plate 16 there. For the axial positioning is the spindle nut 28 on this side in the head plate 16 rotatably supported and can be rotated by the motor 27. A rotation of the Spindle nut 28 thus leads to an axial displacement of the entire spindle 25 the support arms 19, 20. So that the spindle 25 does not move when the Support arms 19, 20 towards or away from each other by means of the spindle motor 24 unscrewed from the spindle nut 28, it is necessary in this movement the Spindle nut 28 to rotate synchronously with the motor 27.

Der Abrollbalken 7 mit allen daran befestigten Teilen (Abrollarme 19, 20, Führungsköpfe 22, Bremsen 23, Motoren 24, 27 etc.) ist -wie in Figur 2 links dargestellt- um die Drehachse der Seilrollen 14, 15 schwenkbar, damit durch ein Verschwenken der Tragarme 19, 20 mit den daran befestigten Teilen ein seitlicher Freiraum geschaffen wird, durch den eine neue Wickelrolle 2 in axialer Richtung von außen in den Bereich zwischen den Tragarmen 19, 20 gefördert werden kann. Damit sich die Tragarme 19, 20 selbsttätig in eine vertikale Position bewegen, liegt der Schwerpunkt des schwenkbaren Abrollbalkens 7 mit den daran befestigten Teilen unterhalb der Drehachse der Seilrollen 14, 15. Die Schwenkbewegung des Abrollbalkens 7 erfolgt selbsttätig beim Anheben, sofern sich der vordere (in Figur 1 rechte) Abrollarm 20 in einer bestimmten Querposition außerhalb des Bereichs der maximalen Arbeitsbreite befindet. In diesem Bereich ist eine Anschlagplatte 29 im Bereich der Längsträger 4 unterhalb der Querträger 5, 6 angeordnet, gegen die ein Führungsarm 30 beim Hochfahren stößt, der nach oben abgewinkelt an dem Tragarm 20 befestigt ist. Der Führungsarm 30 trägt an seinem Ende eine Rolle 31, die auf der Anschlagplatte 29 abrollt. In Querrichtung etwas gegenüber dem Arm 30 versetzt ist an dem Abrollbalken 7 ein Anschlagprofil 32 befestigt, das in etwa parallel zu der Anschlagplatte 29 verläuft und zu beiden Seiten des Seils 8 Anschläge 33, 34 aufweist, mit denen der Abrollbalken 7 in der Abwickelposition an den Querträgern 5, 6 fixiert werden kann. Beim Hochbewegen des Tragarms 20 innerhalb der Arbeitsbreite -also außerhalb des Bereichs, in dem sich der Arm 30 gegen die Anschlagplatte 29 bewegt- ziehen die Seile 8 die Anschläge 33, 34 gegen die Querträger 5, 6 und das Anschlagprofil 32 gegen die Anschlagplatte 29 und halten die Tragarme 19, 20 kippsicher in der Abwickelposition.The unrolling bar 7 with all parts attached to it (unrolling arms 19, 20, guide heads 22, brakes 23, motors 24, 27 etc.) is - as shown on the left in FIG the axis of rotation of the pulleys 14, 15 pivotable so that by pivoting the Support arms 19, 20 with the attached parts created a lateral clearance is through which a new winding roll 2 in the axial direction from the outside in the area can be promoted between the support arms 19, 20. So that the support arms 19, 20 automatically move into a vertical position, is the focus of the pivotable roll bar 7 with the attached parts below it Axis of rotation of the pulleys 14, 15. The pivoting movement of the unwinding beam 7 takes place automatically when lifting, provided that the front (in Figure 1 right) roll arm 20 in a certain transverse position outside the range of the maximum working width located. In this area there is a stop plate 29 in the area of the longitudinal beams 4 arranged below the cross member 5, 6, against which a guide arm 30 at Run up bumps, which is angled upward attached to the support arm 20. The Guide arm 30 carries a roller 31 at its end, which acts on stop plate 29 rolls off. Somewhat offset in the transverse direction with respect to the arm 30 on the unrolling bar 7 a stop profile 32 is fastened, which is approximately parallel to the stop plate 29 runs and has on both sides of the rope 8 stops 33, 34 with which the Unrolling bar 7 can be fixed in the unwinding position on the cross members 5, 6. When moving the support arm 20 within the working width -also outside of Area in which the arm 30 moves against the stop plate 29 pull the Ropes 8, the stops 33, 34 against the cross members 5, 6 and the stop profile 32 against the stop plate 29 and keep the support arms 19, 20 tilt-proof in the Unwind position.

Der in Figur 2 rechte Anschlag 34 des Anschlagprofils 32 ist als Rolle ausgebildet. Er dient zusätzlich dazu, beim Verschwenken des Tragarme 19, 20 an der Führungsplatte 29 abzurollen und so die Schwenkbewegung weiterzuführen, wenn die Rolle 31 des Arms 30 die Führungsplatte 29 verlassen hat.The right stop 34 in FIG. 2 of the stop profile 32 is designed as a roller. He also serves to pivot the support arms 19, 20 on the guide plate 29 roll and so continue the pivoting movement when the roller 31st of the arm 30 has left the guide plate 29.

Zum Beschicken der Abrollvorrichtung mit einer neuen Wickelrolle 2 werden zunächst die beiden Tragarme 19, 20 in abgesenkter Position soweit nach außen bewegt bis sich der Führungsarm 30 im Bereich der Anschlagplatte 29 befindet. Anschließend wird der Abrollbalken 7 -wie in Figur 3 links dargestellt- angehoben bis der Führungsarm 30 sich gegen die Anschlagplatte 29 bewegt und so eine Schwenkbewegung bewirkt. Es entsteht ein seitlicher Freiraum, durch den eine neue Wickelrolle 2 in die Vorrichtung gefördert wird. Nach dem Zuführen der Wickelrolle 2 wird der Abrollbalken 7 mit den Tragarmen 19, 20 zunächst abgesenkt, und danach die Tragarme 19, 20 soweit zusammengefahren, bis die Rolle 31 die Führungsplatte 29 verläßt, wobei sich die Tragarme 19, 20 aufgrund ihres Eigengewichts vertikal ausrichten. Anschließend werden die Führungsköpfe 22 axial mit der Hülse der Wickelrolle 2 fluchtend vertikal positioniert. Bei Wickelrollen mit maximalem Durchmesser (Figur 2 links) befindet sich die Rolle 31 des Führungsarms 30 soeben unterhalb der Anschlagplatte 29, bei Wickelrollen mit minimalem Durchmesser (Figur 2 rechts) befindet sich die Bremse 23 unmittelbar oberhalb des Bodens.To load the unwinding device with a new winding roll 2 are first the two support arms 19, 20 in the lowered position as far as moved outwards the guide arm 30 is located in the area of the stop plate 29. Subsequently the unwinding bar 7 is raised - as shown on the left in FIG. 3 - until the guide arm 30 moves against the stop plate 29 and thus a pivoting movement causes. There is a lateral space through which a new winding roll 2 in the Device is promoted. After feeding the winding roll 2, the unrolling bar 7 with the support arms 19, 20 first lowered, and then the support arms 19, 20 moved together until the roller 31 leaves the guide plate 29, wherein the support arms 19, 20 align vertically due to their own weight. Subsequently the guide heads 22 are axially aligned with the sleeve of the winding roll 2 positioned vertically. For winding rolls with maximum diameter (Figure 2 left) is the roller 31 of the guide arm 30 just below the stop plate 29, in the case of winding rolls with a minimal diameter (FIG. 2 on the right) Brake 23 immediately above the floor.

Durch Bewegung der Tragarme 19, 20 aufeinander zu werden die Führungsköpfe 22 in die Wickelhülsen bewegt. Anschließend wird die Wickelrolle 2 von den Führungsköpfen 22 angehoben, indem der Hubmotor 17 die Seile 8 mit dem daran hängenden Abrollbalken 7 nach oben bewegt. Bei dieser vertikalen Bewegung in die Abwickelposition befindet sich der Führungsarm 30 außerhalb des Bereichs der Anschlagplatte 29, so daß er sich an dieser vertikal vorbeibewegen kann, ohne eine Schwenkbewegung auszulösen (Figur 1, Figur 3 rechts). In der Abwickelposition ziehen die Seile 8 den Abrollbalken 7 mit seinen Anschlägen 33, 34 fest gegen die Unterseite der Querträger 5, 6 und fixieren ihn mittels des Anschlagprofils 32, so daß ein Kippen des Abrollbalkens 7 unter den Bahnzug der abgezogenen Papier- oder Kartonbahn 1 ausgeschlossen ist.By moving the support arms 19, 20 towards one another, the guide heads 22 become moved into the winding tubes. Then the winding roll 2 from the guide heads 22 raised by the lifting motor 17 the ropes 8 with the hanging on it Unrolling bar 7 moves upwards. With this vertical movement into the unwinding position the guide arm 30 is outside the area of the stop plate 29 so that it can move past this vertically without a pivoting movement trigger (Figure 1, Figure 3 right). The ropes 8 pull in the unwinding position the rolling bar 7 with its stops 33, 34 firmly against the underside of the Cross member 5, 6 and fix it by means of the stop profile 32, so that a tilting of the Unrolling bar 7 under the web tension of the removed paper or cardboard web 1 is excluded.

Claims (8)

  1. Unwinding apparatus for wound rolls (2), having a framework comprising longitudinal load-bearing members (4) and transverse load-bearing members (5, 6), and having an unwinding bar (7) which is mounted in the framework, which extends transversely over the operating width and on which there are mounted in a transversely disposable manner two load-bearing bars (19, 20) which, at their free end, each bear a guide head (22) for movement into the core of a wound roll (2), characterized in that the unwinding bar (7) is suspended, in the framework, on drawing means, in particular cables (8), such that it can be raised and lowered by means of a lifting drive (17), and in that the load-bearing arms (19, 20), with the guide heads (22), can be moved in a freely oscillating manner in the web-running direction.
  2. Unwinding apparatus according to Claim 1,
    characterized in that the unwinding bar (7) is suspended, on each machine side, on a cable (8), a belt or a chain, which are connected to a common lifting drive (17).
  3. Unwinding apparatus according to Claim 1 or 2, characterized in that the load-bearing arms (19, 20) are mounted on the unwinding bar (7) such that they can be moved towards one another and away from one another by means of an adjustment drive (24) fastened on the unwinding bar (7).
  4. Apparatus according to Claim 3, characterized in that the load-bearing arms (19, 20) are mounted such that they can be displaced transversely to a limited extent equidistantly, in addition, by means of a positioning drive (27).
  5. Unwinding apparatus according to one of Claims 1 to 4, characterized in that the unwinding bar (7), with the load-bearing arms (19, 20) fastened thereon, is suspended pivotably in the framework.
  6. Unwinding apparatus according to Claim 5,
    characterized in that fastened on each head side of the unwinding bar (7) is a roller (14, 15) which is fitted in each case into a loop of the drawing means (8), the unwinding bar (7), with the parts fastened thereon, being pivotable about the axis of rotation of the rollers (14, 15) and being configured such that its centre of gravity is located beneath the axis of rotation of the rollers (14, 15).
  7. Unwinding apparatus according to Claim 5 or 6, characterized in that arranged outside the operating width, beneath a transverse load-bearing member (5, 6), is a stop (29) which, interacting with guide elements (30, 31, 34) on the unwinding bar (7), initiates a pivoting movement as the unwinding bar (7) is moved upwards.
  8. Unwinding apparatus according to one of Claims 1 to 7, characterized in that the unwinding bar (7) has, on its top side, a stop (33, 34) which can be moved against a transverse load-bearing member (5, 6) from beneath in order to fix the unwinding bar (7) in the unwinding position.
EP98916895A 1997-04-03 1998-03-06 Unwinder device for reels Expired - Lifetime EP0909253B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19713790 1997-04-03
DE19713790A DE19713790A1 (en) 1997-04-03 1997-04-03 Unwinding device for winding rolls
PCT/EP1998/001320 WO1998045197A1 (en) 1997-04-03 1998-03-06 Unwinder device for reels

Publications (2)

Publication Number Publication Date
EP0909253A1 EP0909253A1 (en) 1999-04-21
EP0909253B1 true EP0909253B1 (en) 2001-11-07

Family

ID=7825357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98916895A Expired - Lifetime EP0909253B1 (en) 1997-04-03 1998-03-06 Unwinder device for reels

Country Status (6)

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US (1) US6042047A (en)
EP (1) EP0909253B1 (en)
JP (1) JP2000511504A (en)
DE (2) DE19713790A1 (en)
ES (1) ES2167886T3 (en)
WO (1) WO1998045197A1 (en)

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DE102007053588A1 (en) 2007-11-08 2009-05-20 E.C.H. Will Gmbh Unwinding device for bobbins
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Also Published As

Publication number Publication date
DE59802044D1 (en) 2001-12-13
JP2000511504A (en) 2000-09-05
DE19713790A1 (en) 1998-10-08
EP0909253A1 (en) 1999-04-21
WO1998045197A1 (en) 1998-10-15
US6042047A (en) 2000-03-28
ES2167886T3 (en) 2002-05-16

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