EP0999161A1 - Device for the compensation of the feeding motion of a film web - Google Patents

Device for the compensation of the feeding motion of a film web Download PDF

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Publication number
EP0999161A1
EP0999161A1 EP99120773A EP99120773A EP0999161A1 EP 0999161 A1 EP0999161 A1 EP 0999161A1 EP 99120773 A EP99120773 A EP 99120773A EP 99120773 A EP99120773 A EP 99120773A EP 0999161 A1 EP0999161 A1 EP 0999161A1
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EP
European Patent Office
Prior art keywords
rocker
rockers
group
deflecting rollers
film web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99120773A
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German (de)
French (fr)
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EP0999161B1 (en
Inventor
Franz Bochtler
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GUENTER KUNSTSTOFFMASCHINEN GmbH
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Sachsenring Maschinenbau GmbH
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Publication of EP0999161A1 publication Critical patent/EP0999161A1/en
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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/1955—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/048—Registering, tensioning, smoothing or guiding webs longitudinally by positively actuated movable bars or rollers

Definitions

  • the invention relates to a device for compensating Feed movement of a film web on or in machines, especially for processing plastic films for the Production of bags, sacks and the like, according to the Preamble of the first claim.
  • the invention has for its object a device to compensate for the movement of a film web, which has a simple construction, also at large trigger paths and short cycle times are reliable works, ensures an almost constant web tension and thus guarantees a trouble-free process flow.
  • the device for compensating the feed movement of the film web which is guided in loops between a first group and a second group of deflecting rollers, has, as is known, a first group of deflecting rollers which is arranged on a first rocker movable in the direction of the second group of deflecting rollers .
  • the second group of deflection rollers is also arranged on a second rocker arm, which moves in the direction of the first rocker arm when the film web is advanced.
  • the first rocker is mounted about a first pivot axis and the second rocker about a second pivot axis, which are parallel to each other.
  • rockers are coupled to one another via corresponding elements such as intermeshing gear wheels. Both rockers are guided back into the spaced-apart starting position via retraction elements.
  • Each rocker arm consists of parallel arms, between which the deflection rollers are mounted. Each arm is pivotally supported by a bearing.
  • the two bearings of the first rocker are arranged on a first shaft and the two bearings of the second rocker are arranged on a second shaft.
  • the deflecting rollers of the first rocker and the deflecting rollers of the second rocker are preferably arranged offset from one another.
  • the pivot axes are advantageously placed so that the arms of the rockers point towards the ground in the manner of a hanging arrangement.
  • the weight of the swingarms is relieving and thus beneficial when starting the film web.
  • a standing swing arm (bearings are arranged in the direction of the floor and the arms point upwards) is more favorable for driving on, since the weight of the swing arms also tightens the film web.
  • the new double swing arm makes it easy elegant way to travel for every swingarm halved and thus the risk of undesirable Swinging up with long trigger lengths and short ones Cycle times significantly reduced. It will be almost generates constant web tension, thus the Manufacturing accuracy increased and tearing of the film web reliably avoided.
  • Another advantage of the invention is that the two swiveling swing foil storage with one longer trigger lengths are possible.
  • the first rocker 1 shows the basic illustration of a standing double rocker in the starting position, which consists of a first rocker 1 and a second rocker 2.
  • the first rocker 1 has two mutually parallel arms 3 and 4. Each arm 3, 4 is supported at one end on a shaft 5. At the two ends of the shaft 5 bearings 6 and 7 are provided, around which the first rocker can be rotated. Between the arms 3 and 4 of the first rocker 1, several deflecting rollers 8 are accommodated.
  • the second rocker arm 2 is constructed from arms 3 'and 4' which are parallel to one another, a shaft 5 'with bearings 6' and 7 'and deflecting rollers 8'.
  • the shafts 5 and 5 ' are attached to the machine frame, not shown, via flanges 9 and 9'.
  • Retractable elements 10 and 10 ' are also fastened to the machine frame on the two arms 3 and 4 and on the arms 3' and 4 ', by means of which the rockers 1 and 2 are returned to the starting position.
  • Interlocking gears which are not visible in this illustration, are provided between the shafts 5 and 5 'which are arranged at a short distance from one another.
  • Fig. 2 the double rocker is in side view with a roll 11 starting from inserted film web 12 in the Starting position A with open and in end position B shown with closed wings 1 and 2.
  • the mode of action is as follows: From the roll 11, the film web 12 is inserted in loops between the deflecting rollers 8 and 8 'of the rockers 1 and 2. In the starting position, the rockers 1 and 2 are in the open state (mutually V-shaped position) and form an opening angle ⁇ with their arms 3/4 and 3 '/ 4'. If the film web 12 is pulled off in the direction of the arrow, the rockers 1, 2 move symmetrically toward one another counter to the restoring force of the restoring elements 10, 10 ′ arranged on the machine frame 13, up to an essentially parallel position (opening angle approx. 0 °) into the end position. The symmetrical positive run is realized via the gears, not shown, between the shafts 5 and 5 '.
  • the peelable film length is determined by the difference in length of the film stored in the device in the starting position and in the end position.

Landscapes

  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The film is guided in loops between a first and second group of diverting rolls, the first group being on a first pivoting frame (1) and the second group on a second pivoting frame (2) which during film feeding moves towards the first frame.

Description

Die Erfindung betrifft eine Vorrichtung zum Ausgleich der Vorschubbewegung einer Folienbahn an oder in Maschinen, insbesondere zur Verarbeitung von Kunststoffolien für die Fertigung von Beuteln, Säcken und dergleichen, nach dem Oberbegriff des ersten Patentanspruchs.The invention relates to a device for compensating Feed movement of a film web on or in machines, especially for processing plastic films for the Production of bags, sacks and the like, according to the Preamble of the first claim.

Nach DE OS 33 27 636 A1, EP 0 761 425 A1 und WO 97/19012 ist es bekannt, die Folienbahn zwischen Umlenkwalzen entlangzuführen. Eine erste Gruppe von Umlenkwalzen ist dabei in einer Ebene liegend ortsfest am Maschinengestell gelagert, eine zweite Gruppe von Umlenkwalzen ist an einem Schwingarm angeordnet, der um eine horizontale Achse hinund herschwingend gelagert ist. Die Folienbahn wird dabei in Schlaufen zwischen den am Maschinengestell angeordneten und den am Schwingarm angeordneten Umlenkwalzen geführt. Bei einer Vorschubbewegung der Folienbahn wird in der Länge des Vorschubes der Schwingarm um seine Achse in Richtung zu den gesteilfesten Umlenkwalzen bewegt. Die abziehbare Folienlänge wird dabei von der Anzahl der Schlaufen und von der möglichen Länge der Bewegung des Schwingarmes bestimmt. According to DE OS 33 27 636 A1, EP 0 761 425 A1 and WO 97/19012 it is known the film web between deflection rollers along. A first group of deflection rollers is while lying in one level, stationary on the machine frame stored, a second group of guide rollers is on one The swing arm is arranged around a horizontal axis is mounted in a vibrating manner. The film web will be there in loops between those arranged on the machine frame and the deflection rollers arranged on the swing arm. With a feed movement of the film web, the length the feed of the swing arm towards its axis the rigid guide rollers. The removable Film length is determined by the number of loops and the possible length of the movement of the swing arm is determined.

Nachteilig ist, daß bei großen Abzugslängen und kurze Taktzeiten die Gefahr des Aufschwingens des Schwingarmes und somit der Folienbahn gegeben ist, wodurch ruckartige Schwankungen der Bahnspannung der Folienbahn zu verzeichnen sind. Diese können z.B. zu unerwünschten Ungenauigkeiten der Beutellänge und zu Druckbildverschiebungen führen. Im Extremfall kann es zum Reißen der Folienbahn kommen.
Um diese Schwankungen der Bahnspannung zu vermeiden, wurde gem. DE OS 35 071 42 vorgeschlagen, einen zusätzlichen Arm über einen Hebel zwischenzuschalten, der schwenkbar ausgebildet und durch eine Federkraft beaufschlagt ist. Nachteilig ist der relativ hohe technische Aufwand durch den zusätzlichen Arm und den Hebel.
Bei allen vorgenannt beschriebenen Lösungen ist weiterhin nur eine begrenzte Vorschublänge möglich.It is disadvantageous that, in the case of large take-off lengths and short cycle times, there is a risk of the oscillating arm and thus the film web swinging open, which causes jerky fluctuations in the web tension of the film web. These can, for example, lead to undesired inaccuracies in the bag length and to shifting of the printed image. In extreme cases, the film web can tear.
In order to avoid these fluctuations in the web tension, according to DE OS 35 071 42 proposed to interpose an additional arm via a lever which is designed to be pivotable and acted upon by a spring force. A disadvantage is the relatively high technical complexity due to the additional arm and the lever.
With all the solutions described above, only a limited feed length is still possible.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Ausgleich der Bewegung einer Folienbahn zu entwickeln, die einen einfachen konstruktiven Aufbau aufweist, auch bei großen Abzugswegen und geringen Taktzeiten zuverlässig arbeitet, eine nahezu konstante Bahnspannung gewährleistet und somit einen störungsfreien Prozeßablauf garantiert.The invention has for its object a device to compensate for the movement of a film web, which has a simple construction, also at large trigger paths and short cycle times are reliable works, ensures an almost constant web tension and thus guarantees a trouble-free process flow.

Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des ersten Patentanspruchs gelöst. This object is achieved with the features of first claim solved.

Die Vorrichtung zum Ausgleich der Vorschubbewegung der Folienbahn, die zwischen einer ersten Gruppe und einer zweiten Gruppe von Umlenkwalzen in Schlaufen entlanggeführt wird, weist bekannter Weise eine erste Gruppe von Umlenkwalzen auf, die an einer in Richtung zur zweiten Gruppe von Umlenkwalzen bewegbaren ersten Schwinge angeordnet ist.
Erfindungsgemäß ist auch die zweite Gruppe von Umlenkwalzen an einer zweiten Schwinge angeordnet, die sich bei einer Vorschubbewegung der Folienbahn in Richtung zur ersten Schwinge bewegt.
Der Bewegungsablauf der beiden Schwingen aus einer voneinander beabstandeten Ausgangsposition in eine zueinander naheliegende Endposition und umgekehrt ist dabei symmetrisch, so daß jede Schwinge nur den halben Weg des gesamten erforderlichen Abstandes zum Abzug einer bestimmten Folienlänge (Vorschub) zurücklegen muß.
Die erste Schwinge ist um eine erste Schwenkachse und die zweite Schwinge um eine zweite Schwenkachse gelagert, die zueinander parallel sind.
Um einen symmetrischen Bewegungsablauf zu erzielen sind Schwingen über entsprechende Elemente wie z.B. ineinander greifende Zahnräder miteinander gekoppelt.
Beide Schwingen werden über Rückzugelemente wieder in die voneinander beabstandete Ausgangsposition geführt. The device for compensating the feed movement of the film web, which is guided in loops between a first group and a second group of deflecting rollers, has, as is known, a first group of deflecting rollers which is arranged on a first rocker movable in the direction of the second group of deflecting rollers .
According to the invention, the second group of deflection rollers is also arranged on a second rocker arm, which moves in the direction of the first rocker arm when the film web is advanced.
The sequence of movements of the two rockers from a spaced-apart starting position to an adjacent end position and vice versa is symmetrical, so that each rocker only has to travel half the distance to pull off a certain length of film (feed).
The first rocker is mounted about a first pivot axis and the second rocker about a second pivot axis, which are parallel to each other.
In order to achieve a symmetrical sequence of movements, rockers are coupled to one another via corresponding elements such as intermeshing gear wheels.
Both rockers are guided back into the spaced-apart starting position via retraction elements.

Diese Rückzugelemente sind vorzugsweise als Feder, als Hydraulikzylinder oder als Pneumatikzylinder ausgebildet. Jede Schwinge besteht aus zueinander parallelen Armen, zwischen welchen die Umlenkwalzen gelagert sind. Jeder Arm wird dabei von einem Lager schwenkbar aufgenommen.
Die beiden Lager der ersten Schwinge sind auf einer ersten Welle und die beiden Lager der zweiten Schwinge auf einer zweiten Welle angeordnet.
Die Umlenkwalzen der ersten Schwinge und die Umlenkwalzen der zweiten Schwinge sind vorzugsweise zueinander versetzt angeordnet.
Die Schwenkachsen werden vorteilhafter Weise so gelegt, daß die Arme der Schwingen in der Art einer hängenden Anordnung in Richtung zum Boden weisen. Das Eigengewicht der Schwingen wirkt sich dabei entlastend und somit günstig beim Anfahren der Folienbahn aus.
Eine stehende Schwinge (Lagerungen sind in Richtung zum Boden angeordnet und die Arme weisen nach oben) ist für das Weiterfahren günstiger, da das Gewicht der Schwingen die Folienbahn zusätzlich strafft.These retraction elements are preferably designed as a spring, as a hydraulic cylinder or as a pneumatic cylinder. Each rocker arm consists of parallel arms, between which the deflection rollers are mounted. Each arm is pivotally supported by a bearing.
The two bearings of the first rocker are arranged on a first shaft and the two bearings of the second rocker are arranged on a second shaft.
The deflecting rollers of the first rocker and the deflecting rollers of the second rocker are preferably arranged offset from one another.
The pivot axes are advantageously placed so that the arms of the rockers point towards the ground in the manner of a hanging arrangement. The weight of the swingarms is relieving and thus beneficial when starting the film web.
A standing swing arm (bearings are arranged in the direction of the floor and the arms point upwards) is more favorable for driving on, since the weight of the swing arms also tightens the film web.

Durch die neuartige Doppelschwinge wird auf einfache elegante Weise der zurückzulegende Weg für jede Schwinge halbiert und somit die Gefahr des unerwünschten Aufschwingens bei großen Abzugslängen und geringen Taktzeiten wesentlich reduziert. Es wird eine nahezu konstante Bahnspannung erzeugt, somit die Fertigungsgenauigkeit erhöht und ein Reißen der Folienbahn zuverlässig vermieden.The new double swing arm makes it easy elegant way to travel for every swingarm halved and thus the risk of undesirable Swinging up with long trigger lengths and short ones Cycle times significantly reduced. It will be almost generates constant web tension, thus the Manufacturing accuracy increased and tearing of the film web reliably avoided.

Ein weiterer Vorteil der Erfindung besteht darin, daß durch die beiden schwenkbaren Schwingen Folienspeicher mit einer größeren Abzugslänge möglich sind.Another advantage of the invention is that the two swiveling swing foil storage with one longer trigger lengths are possible.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen und zugehörigen Zeichnungen näher erläutert. Es zeigen:

Fig. 1:
Prinzipdarstellung einer Doppelschwinge in dreidimensionaler Ansicht
Fig. 2:
Seitenansicht der Doppelschwinge in Ausgangs- und Endposition mit einer in Richtung zum Boden weisenden Lagerung
The invention is explained in more detail below on the basis of exemplary embodiments and associated drawings. Show it:
Fig. 1:
Schematic representation of a double swing arm in a three-dimensional view
Fig. 2:
Side view of the double swing arm in the starting and end positions with a bearing pointing towards the floor

In Fig. 1 wird die Prinzipdarstellung einer stehenden Doppelschwinge in Ausgangsposition gezeigt, welche aus einer ersten Schwinge 1 und einer zweiten Schwinge 2 besteht. Die erste Schwinge 1 weist zwei zueinander parallele Arme 3 und 4 auf. Jeder Arm 3, 4 ist mit einem Ende an einer Welle 5 gelagert. An den beiden Enden der Welle 5 sind Lager 6 und 7 vorgesehen, um welche die erste Schwinge gedreht werden kann. Zwischen den Armen 3 und 4 der ersten Schwinge 1 sind mehrere Umlenkwalzen 8 aufgenommen.
Analog ist die zweite Schwinge 2 aus zueinander parallelen Armen 3' und 4', einer Welle 5' mit Lagern 6' und 7' sowie Umlenkwalzen 8' aufgebaut. Die Wellen 5 und 5' werden über Flansche 9 und 9' am nicht dargestellten Maschinengestell befestigt. Am Maschinengestell ebenfalls befestigbar sind an den beiden Armen 3 und 4 sowie an den Armen 3' und 4' Rückzugelemente 10 und 10' angeordnet, durch welche die Schwingen 1 und 2 in die Ausgangsposition zurückgeführt werden. Zwischen den in geringem Abstand zueinander angeordneten Wellen 5 und 5' sind in dieser Darstellung nicht sichtbare ineinandergreifende Zahnräder vorgesehen.1 shows the basic illustration of a standing double rocker in the starting position, which consists of a first rocker 1 and a second rocker 2. The first rocker 1 has two mutually parallel arms 3 and 4. Each arm 3, 4 is supported at one end on a shaft 5. At the two ends of the shaft 5 bearings 6 and 7 are provided, around which the first rocker can be rotated. Between the arms 3 and 4 of the first rocker 1, several deflecting rollers 8 are accommodated.
Analogously, the second rocker arm 2 is constructed from arms 3 'and 4' which are parallel to one another, a shaft 5 'with bearings 6' and 7 'and deflecting rollers 8'. The shafts 5 and 5 'are attached to the machine frame, not shown, via flanges 9 and 9'. Retractable elements 10 and 10 'are also fastened to the machine frame on the two arms 3 and 4 and on the arms 3' and 4 ', by means of which the rockers 1 and 2 are returned to the starting position. Interlocking gears, which are not visible in this illustration, are provided between the shafts 5 and 5 'which are arranged at a short distance from one another.

In Fig. 2 ist die Doppelschwinge in Seitenansicht mit von einer Rolle 11 ausgehend eingelegter Folienbahn 12 in der Ausgangsposition A mit geöffneten und in der Endposition B mit geschlossenen Schwingen 1 und 2 dargestellt.In Fig. 2 the double rocker is in side view with a roll 11 starting from inserted film web 12 in the Starting position A with open and in end position B shown with closed wings 1 and 2.

Die Wirkungsweise ist folgende:
Von der Rolle 11 wird die Folienbahn 12 in Schlaufen zwischen die Umlenkwalzen 8 und 8' der Schwingen 1 und 2 eingelegt. In Ausgangsposition befinden sich die Schwingen 1 und 2 in geöffnetem Zustand (zueinander V-förmige Lage) und bilden mit ihren Armen 3/4 und 3'/4' einen Öffnungswinkel α.
Wird die Folienbahn 12 in Pfeilrichtung abgezogen, bewegen sich die Schwingen 1, 2 entgegen der Rückstellkraft der am Maschinengestell 13 angeordneten Rückstellelemente 10, 10' symmetrisch aufeinander zu, bis in eine im wesentlichen parallele Lage (Öffnungswinkel ca. 0°) in die Endposition. Der symmetrische Zwangslauf wird dabei über die nicht dargestellten Zahnräder zwischen den Wellen 5 und 5' realisiert.
Die abziehbare Folienlänge wird dabei bestimmt von der Längendifferenz der in der Vorrichtung gespeicherten Folie in Ausgangsposition und in Endposition.
Gemäß eines weiteren nicht dargestellten Ausführungsbeispiels besteht auch die Möglichkeit, beide Schwingen auf einer gemeinsamen Welle zu lagern. Dabei muß ebenfalls durch geeignete Elemente ein Zwangslauf zwischen den Schwingen zur Gewährleistung einer symmetrischen Bewegung vorgesehen werden.The mode of action is as follows:
From the roll 11, the film web 12 is inserted in loops between the deflecting rollers 8 and 8 'of the rockers 1 and 2. In the starting position, the rockers 1 and 2 are in the open state (mutually V-shaped position) and form an opening angle α with their arms 3/4 and 3 '/ 4'.
If the film web 12 is pulled off in the direction of the arrow, the rockers 1, 2 move symmetrically toward one another counter to the restoring force of the restoring elements 10, 10 ′ arranged on the machine frame 13, up to an essentially parallel position (opening angle approx. 0 °) into the end position. The symmetrical positive run is realized via the gears, not shown, between the shafts 5 and 5 '.
The peelable film length is determined by the difference in length of the film stored in the device in the starting position and in the end position.
According to a further exemplary embodiment, which is not shown, there is also the possibility of mounting both rockers on a common shaft. Suitable elements must also provide a forced movement between the rockers to ensure symmetrical movement.

Mit der Erfindung wird es neben den bereits vorgenannt aufgeführten Vorteilen im Vergleich zu herkömmlichen Lösungen ebenfalls möglich, die Foliendurchlaufgeschwindigkeit und die Taktzahl um ca. 30 bis 50% zu erhöhen.With the invention, it is already mentioned in addition to those advantages listed compared to conventional Solutions also possible that Film throughput speed and the number of cycles by approx. 30 to increase to 50%.

Claims (13)

Vorrichtung zum Ausgleich der Vorschubbewegung einer Folienbahn, die zwischen einer ersten Gruppe und einer zweiten Gruppe von Umlenkwalzen in Schlaufen entlanggeführt wird, wobei die erste Gruppe von Umlenkwalzen an einer in Richtung zur zweiten Gruppe von Umlenkwalzen bewegbaren ersten Schwinge angeordnet ist, dadurch gekennzeichnet, daß die zweite Gruppe von Umlenkwalzen an einer zweiten Schwinge angeordnet ist, die sich bei einer Vorschubbewegung der Folienbahn in Richtung zur ersten Schwinge bewegt.Device for compensating the feed movement of a film web which is guided in loops between a first group and a second group of deflecting rollers, the first group of deflecting rollers being arranged on a first rocker movable in the direction of the second group of deflecting rollers, characterized in that the second group of deflection rollers is arranged on a second rocker arm, which moves in the direction of the first rocker arm when the film web is advanced. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Bewegungsablauf der beiden Schwingen aus einer voneinander beabstandeten Ausgangsposition in eine zueinander naheliegende Endposition und umgekehrt symmetrisch ist.Device according to claim 1, characterized in that the movement sequence of the two rockers is symmetrical from a spaced-apart starting position into an end position which is close to one another and vice versa. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß beide Schwingen um eine gemeinsame Schwenkachse gelagert sind.Device according to one of claims 1 or 2, characterized characterized in that both wings are common Swivel axis are stored. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die erste Schwinge um eine erste Schwenkachse und die zweite Schwinge um eine zweite Schwenkachse gelagert sind.Device according to one of claims 1 or 2, characterized in that the first rocker is mounted about a first pivot axis and the second rocker about a second pivot axis. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die beiden Schwingen in unterschiedlichen zueinander parallelen Schwenkachsen gelagert sind.Apparatus according to claim 4, characterized in that the two rockers are mounted in different pivot axes parallel to one another. Vorrichtung nach einem der Ansprüche von 3 bis 5, dadurch gekennzeichnet, daß die erste Schwinge und die zweiten Schwinge über mindestens ein Element miteinander gekoppelt sind, welches einen symmetrischen Bewegungsablauf der beiden Schwingen zueinander gewährleistet.Device according to one of claims 3 to 5, characterized in that the first rocker and the second rocker are coupled to one another via at least one element which ensures a symmetrical movement sequence of the two rockers to one another. Vorrichtung nach einem der Ansprüche von 3 bis 6, dadurch gekennzeichnet, daß jede Schwinge mindestens ein das Zurückgelangen in die Ausgangsposition gewährleistendes Rückstellelement aufweist.Device according to one of claims 3 to 6, characterized in that each rocker has at least one restoring element which ensures return to the starting position. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß das Rückstellelement als Feder, Hydraulikzylinder oder als Pneumatikzylinder ausgebildet ist.Apparatus according to claim 7, characterized in that the restoring element is designed as a spring, hydraulic cylinder or as a pneumatic cylinder. Vorrichtung nach einem der Ansprüche von 1 bis 8, dadurch gekennzeichnet, daß die erste Schwinge und die zweite Schwinge jeweils aus zwei zueinander parallelen Armen bestehen, zwischen welchen die Umlenkwalzen gelagert sind, wobei jeder Arm von einem Lager schwenkbar aufgenommen wird.Device according to one of claims 1 to 8, characterized in that the first rocker and the second rocker each consist of two mutually parallel arms, between which the deflecting rollers are mounted, each arm being pivotally received by a bearing. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Lager der beiden Schwingen auf einer gemeinsamen Welle
oder die beiden Lager der ersten Schwinge auf einer ersten Welle und die beiden Lager der zweiten Schwinge auf einer zweiten Welle angeordnet sind. Apparatus according to claim 8, characterized in that the bearings of the two rockers on a common shaft
or the two bearings of the first rocker are arranged on a first shaft and the two bearings of the second rocker are arranged on a second shaft. Vorrichtung nach einem der Ansprüche von 1 bis 10, dadurch gekennzeichnet, daß die Umlenkwalzen der ersten Schwinge und die Umlenkwalzen der zweiten Schwinge zueinander versetzt angeordnet sind.Device according to one of claims 1 to 10, characterized in that the deflecting rollers of the first rocker and the deflecting rollers of the second rocker are arranged offset from one another. Vorrichtung nach einem der Ansprüche von 3 bis 11, dadurch gekennzeichnet, daß die Schwenkachsen so angeordnet sind, daß die Arme der Schwingen in der Art einer hängenden Anordnung in Richtung zum Boden weisen. Device according to one of claims 3 to 11, characterized in that the pivot axes are arranged so that the arms of the rockers point towards the floor in the manner of a hanging arrangement. Vorrichtung nach einem der Ansprüche von 3 bis 10, dadurch gekennzeichnet, daß die Schwenkachsen so angeordnet sind, daß die Arme der Schwingen in der Art einer stehenden Anordnung nach oben weisen.Device according to one of claims 3 to 10, characterized in that the pivot axes are arranged so that the arms of the rockers point upwards in the manner of a standing arrangement.
EP99120773A 1998-10-21 1999-10-20 Device for the compensation of the feeding motion of a film web Expired - Lifetime EP0999161B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848519A DE19848519A1 (en) 1998-10-21 1998-10-21 Device for compensating the feed movement of a film web
DE19848519 1998-10-21

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EP0999161A1 true EP0999161A1 (en) 2000-05-10
EP0999161B1 EP0999161B1 (en) 2003-05-02

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EP99120773A Expired - Lifetime EP0999161B1 (en) 1998-10-21 1999-10-20 Device for the compensation of the feeding motion of a film web

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EP (1) EP0999161B1 (en)
AT (1) ATE238956T1 (en)
DE (2) DE19848519A1 (en)
ES (1) ES2199512T3 (en)

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ES2186483A1 (en) * 2000-09-12 2003-05-01 Torres Martinez M Strip splicer with oblique union
CN116443640A (en) * 2023-06-15 2023-07-18 苏州江天包装科技股份有限公司 On-line tension adjusting system for stepwise-decomposition type printed product

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Publication number Priority date Publication date Assignee Title
JP5622549B2 (en) * 2010-12-10 2014-11-12 株式会社リブドゥコーポレーション Absorbent article manufacturing system
CN104495444B (en) * 2014-12-12 2017-01-04 北京航天斯达科技有限公司 A kind of winding article intermittent entry device
EP3385203B1 (en) * 2017-04-07 2020-07-08 Mespack, S.L. Web film movement compensating device for a web film movement compensation between a continuous forward movement section and an intermittent forward movement section

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EP0510251A1 (en) * 1991-04-24 1992-10-28 Curt G. Joa, Inc. Opposed arm web accumulator
WO1997019012A1 (en) * 1995-11-17 1997-05-29 Fmc Corporation Apparatus and method for controlling web speed

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US3024957A (en) * 1959-01-05 1962-03-13 Cons Electrodynamics Corp Tape apparatus
US3540641A (en) * 1968-11-21 1970-11-17 Celanese Corp Web accumulator
EP0510251A1 (en) * 1991-04-24 1992-10-28 Curt G. Joa, Inc. Opposed arm web accumulator
WO1997019012A1 (en) * 1995-11-17 1997-05-29 Fmc Corporation Apparatus and method for controlling web speed

Cited By (3)

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Publication number Priority date Publication date Assignee Title
ES2186483A1 (en) * 2000-09-12 2003-05-01 Torres Martinez M Strip splicer with oblique union
CN116443640A (en) * 2023-06-15 2023-07-18 苏州江天包装科技股份有限公司 On-line tension adjusting system for stepwise-decomposition type printed product
CN116443640B (en) * 2023-06-15 2023-09-05 苏州江天包装科技股份有限公司 On-line tension adjusting system for stepwise-decomposition type printed product

Also Published As

Publication number Publication date
ES2199512T3 (en) 2004-02-16
DE19848519A1 (en) 2000-05-04
ATE238956T1 (en) 2003-05-15
EP0999161B1 (en) 2003-05-02
DE59905306D1 (en) 2003-06-05

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