EP0086888B1 - Stand for manually unwinding foils - Google Patents

Stand for manually unwinding foils Download PDF

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Publication number
EP0086888B1
EP0086888B1 EP82111485A EP82111485A EP0086888B1 EP 0086888 B1 EP0086888 B1 EP 0086888B1 EP 82111485 A EP82111485 A EP 82111485A EP 82111485 A EP82111485 A EP 82111485A EP 0086888 B1 EP0086888 B1 EP 0086888B1
Authority
EP
European Patent Office
Prior art keywords
frame parts
film roll
transverse frame
winding
film
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
Application number
EP82111485A
Other languages
German (de)
French (fr)
Other versions
EP0086888A1 (en
Inventor
Erich Stark
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT82111485T priority Critical patent/ATE16992T1/en
Publication of EP0086888A1 publication Critical patent/EP0086888A1/en
Application granted granted Critical
Publication of EP0086888B1 publication Critical patent/EP0086888B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B67/00—Apparatus or devices facilitating manual packaging operations; Sack holders
    • B65B67/08—Wrapping of articles
    • B65B67/085—Wrapping of articles using hand-held dispensers for stretch films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • 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
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • B65H2301/3251—Orientation of handled material of roll of material vertical axis
    • 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
    • B65H2301/413—Supporting web roll
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41346—Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)

Definitions

  • the invention relates to a film dispenser with a film roll made of stretch film and a frame formed by two longitudinal frame parts running parallel to the longitudinal axis of the film roll and two frame transverse parts running transverse to the longitudinal axis of the film roll, in which the film roll can be received for stretchable storage, a braking device acting on the film roll and an adjusting device with a rotatable actuating element, by means of which the two cross frame parts can be moved towards or away from one another to a greater or lesser extent and the braking device can be regulated, an adjustable screw connection being present between at least one end of at least one of the longitudinal frame parts and one of the cross frame parts.
  • the frame in which the film roll is mounted has an upper cross part articulated at one end to the first longitudinal frame part, the other end of which is pressed more or less strongly against the upper end of the second longitudinal frame part by means of a rotatable actuating element, namely an adjusting screw, with the result that a holding member carried by the cross part and rotatably supported there, more or less strongly against the upper end face of the Film roll is pressed.
  • a rotatable actuating element namely an adjusting screw
  • the object of the invention is to remedy this, i.e. to create a film hand dispenser, in which the braking device at any time, i.e. can also be easily regulated if it is necessary to wrap the upper areas of higher objects with stretch film.
  • a film hand dispenser in which the rotatable actuating member for the adjustable screw connection is formed by at least one of the longitudinal frame parts, between which and at least one of the frame transverse parts there is the screw connection.
  • the adjusting device can be operated at any time without any problem by a hand holding the device, regardless of the respective working height.
  • the adjusting device of the film dispenser according to the invention can act on its braking device, for example via a cable pull or a gear transmission.
  • an embodiment has proven to be particularly simple in manufacture and handling, in which the adjusting device can be changed in length and the frame cross parts can be pressed axially onto the core of the film roll by shortening the adjusting device in a manner known per se.
  • the latter applies in particular if the two frame cross parts and the further frame longitudinal part connecting them are designed as spring clips, that is to say the frame is free of articulated and plug-in connections, which is the case in a preferred embodiment of the film hand roller according to the invention.
  • an adjusting screw can be provided between it and one of the frame transverse parts, which is preferably articulated.
  • the frame transverse parts which is preferably articulated.
  • two articulated set screws are provided, one of which is right-handed and the other left-handed.
  • the rotatable frame part can be designed as a twist grip, preferably as a grip roller or square tube, and can have a length which preferably corresponds essentially to the width of the foil roller.
  • the rotatable longitudinal frame part can also consist of two telescopically interacting parts, each of which is rotatably connected to one of the transverse frame parts, preferably via a joint. In any case, it has proven to be advantageous to arrange the rotatable longitudinal frame part between the free ends of the two transverse frame parts and the bearings for the film roll essentially in the middle of the transverse frame parts.
  • the two cross frame parts preferably each have a centering member protruding into the inside of the film roll inside in the working position, one of the two centering members having a collar lying on the front side of the film roll and being rotatably mounted, while the other centering member is assigned a brake disc acting on the end of the film roll is, which is rotatably mounted on a stop plate.
  • the film roller bearing is preferably designed in a manner known per se as an axial thrust bearing and preferably has a bearing part which is displaceable in the axial direction relative to the associated frame cross part and can be fixed in the axial direction by means of a tensioning device.
  • the Clamping device can be formed, for example, by an adjusting screw.
  • a self-locking quick release device has proven to be particularly practical, since it is simple and easy to operate, and preferably has only two end positions, namely a holding position and a release position.
  • This quick release device can have an actuator designed as a rocker arm, which is fastened to an eccentric disk which interacts with an adjusting bolt which is under spring pressure, the adjusting bolt end facing away from the eccentric disk carrying the rotatably mounted film roller bearing part.
  • a supporting foot can be provided on the frame cross part opposite the tensioning device, which allows the device to be parked on the ground.
  • the support foot can be formed, for example, by a ring, the diameter of which is preferably larger than the diameter of a full film roll.
  • the film hand dispenser shown has a support leg 1 formed by a metal ring; which is attached to the lower cross part 2 of the device frame.
  • the end of the cross-section 2 shown on the right in each case merges into a longitudinal part 3 of the device frame running at right angles thereto, at the other end of which the upper cross-section 4 of the device frame connects at right angles.
  • the two cross parts 2, 4 and the connecting longitudinal part 3 of the device frame are formed in one piece and preferably made of a metal tube with a flat rectangular cross section, so that they represent a spring clip, the legs formed by the cross parts 2, 4 are more or less pressed apart or can be contracted.
  • a small bearing plate 5 is fastened, on which a brake disc 6 is rotatably mounted.
  • a centering member 7 which, in the working position of the film dispenser, projects into the interior of the pushed-on film roll 8 ',' while the brake disc 6 acts on the end face of the film roll 8 or its core roll.
  • a centering member 9 is also provided below the center of the upper frame cross part 4.
  • This centering member 9 has a circumferential collar 10 which, in the working position, acts on the end face against the film roll 8 or its core roll.
  • the upper centering member 9 is rotatably mounted at the lower end of an adjusting bolt 11 which is guided in a recess in the upper frame cross part 4.
  • the upper end of the adjusting bolt 11 has a circumferential collar, against which a compression spring acts from below, which is supported downward against the upper cross part 4.
  • two tabs 12, 13 are fastened to the upper cross frame part 4, between which a washer 14 is mounted.
  • a rocker arm 15 is attached to the disk 14.
  • the disk 14 On the side opposite the rocker arm 15, the disk 14 has a semicircular area, to which disk sides parallel to one another adjoin. In the illustrated position of the rocker arm 15, the upper end of the adjusting bolt 11 is pressed against one of these disk sides by the compression spring acting on it.
  • the disc 14 is eccentrically mounted between the two tabs 12, 13 by means of a hinge pin 16, i.e. the distances between the two parallel disc sides to the bearing axis are different, with the result that the adjusting bolt 11 pressed by spring pressure from below against the eccentric disc 14 together with the centering member 9 carried by it is displaced axially upward when the rocker arm 15 together with the eccentric disk 14 rigidly connected to it is pivoted from the illustrated end position (holding position) to the left into the second end position (release position).
  • openings 17, 18 are provided, in which one end of a set screw 19, 20 is articulated by means of a hinge pin 21, 22.
  • One of these set screws 19, 20 has a left-hand thread, the other a right-hand thread.
  • Both set screws are screwed into nuts, each of which is fastened, preferably welded, to one end of a tube serving as a turning handle 23.
  • This tube forms the second longitudinal frame part.
  • An actuation of the twist grip 23 has the result that the two adjusting screws 19, 20 are screwed more or less far into the interior of the twist grip and this, in turn, that the free ends of the two frame cross parts 2, 4 more or less towards or be moved away from each other. The latter has the result that a fine adjustment of the distance between the two centering members 7, 9 can be carried out by actuating the rotary handle 23.
  • the film hand dispenser shown can be used, for example, in the following manner: First, the rocker arm 15 is folded to the left from the end position shown, so that the adjusting pin 11 and thus the upper centering member 9 are displaced upward by the spring acting on the adjusting pin 11. Once this has been done, a full film roll 8 can be placed on the lower centering member 7. After aligning the film roll, the rocker arm 15 is again pivoted to the right into the end position shown, the upper centering member 9 engaging in the interior of the film roll or its core roll.
  • the film roll 8 is now held by the two centering members 7, 9 and can be rotated more or less easily, the effect of the brake disk 6 interacting on the one hand with the film roll 8 and on the other hand with the bearing plate 5 from the nature of the brake disk and from that of the film roll 8 applied contact pressure depends.
  • the braking effect of the brake disc 6 can, however, by actuation supply of the rotary handle 23, which also serves as a handle, can be changed.
  • the height at which the foil dispenser is used is irrelevant, since the adjustment device of your braking device is easily accessible even in the most extreme positions.

Abstract

1. Manual film winding-off device with a film roll (8) of stretch film and a frame formed by two longitudinal frame parts (3, 23) running parallel to the longitudinal axis of the film roll (8) and two transverse frame parts (2, 4) running at right angles to the longitudinal axis of the film roll (8), said frame receiving the film roll (8) for rotary support purposes, a braking means acting on the film roll (8), as well as an adjusting means with a rotary actuator (23), by means of which the two transverse frame parts (2, 4) can be moved towards or away from one another to a greater or lesser extent and the braking means is regulatable, there being an adjustable screw connection between at least one end of at least one of the longitudinal frame parts (3, 23) and one of the transverse frame parts (2, 4), characterized in that the rotary actuator for the adjustable screw connection is formed by at least one (23) of the longitudinal frame parts (3, 23), the screw connection being formed between the latter and at least one of the transverse frame parts (2, 4).

Description

Die Erfindung betrifft einen Folienhandabroller mit einer Folienrolle aus Dehnfolie und einem von zwei parallel zur Längsachse der Folienrolle verlaufenden Rahmenlängsteilen und zwei quer zur Längsachse der Folienrolle verlaufenden Rahmenquerteilen gebildeten Rahmen, in den die Folienrolle zur dehnbaren Lagerung aufnehmbar ist, einer auf die Folienrolle einwirkenden Bremseinrichtung sowie einer Verstelleinrichtung mit einem drehbaren Betätigungsglied, mittels dessen die beiden Rahmenquerteile mehr oder weniger weit aufeinander zu- bzw. voneinander wegbewegbar sind und die Bremseinrichtung regulierbar ist, wobei zwischen mindestens einem Ende mindestens eines der Rahmenlängsteile und einem der Rahmenquerteile eine verstellbare Schraubverbindung besteht.The invention relates to a film dispenser with a film roll made of stretch film and a frame formed by two longitudinal frame parts running parallel to the longitudinal axis of the film roll and two frame transverse parts running transverse to the longitudinal axis of the film roll, in which the film roll can be received for stretchable storage, a braking device acting on the film roll and an adjusting device with a rotatable actuating element, by means of which the two cross frame parts can be moved towards or away from one another to a greater or lesser extent and the braking device can be regulated, an adjustable screw connection being present between at least one end of at least one of the longitudinal frame parts and one of the cross frame parts.

Derartige Geräte werden heute bereits vielfach bei der Verpackung von Waren aller Art eingesetzt, insbesondere dann, wenn es gilt, auf Paletten angeordnete Waren zu verpacken. Gearbeitet wird mit diesen Geräten dabei folgendermassen:

  • Das Folienbahnende wird an der zu verpackenden Ware angelegt und dort zunächst festgehalten . Dann wird die Ware zunächst einmal und dann mehrfach rundum bewickelt, wobei die Folie so gedehnt wird, dass sie aufgrund ihrer Rückstellkraft an der Ware bzw. einer Folien-Unterschicht haften bleibt. Die Bewicklung kann dabei so vor sich gehen, dass die Ware vor dem Folienabroller gedreht oder dieser um die Ware herum geführt wird. In jedem Falle ist dabei dafür zu sorgen, dass sich die Folie nicht lose abwickelt, sondern unter Dehnung abgezogen wird, da sie sonst nicht an der Ware bzw. einer unteren Folien-Schicht haften bleibt. Hierzu ist eine mehr oder weniger starke Bremsung der Folienrolle erforderlich, die zudem dem Umstand Rechnung tragen muss, dass der Durchmesser der Folienrolle während des Wickelvorganges ständig abnimmt.
Such devices are already widely used in the packaging of goods of all kinds, especially when it is a matter of packing goods arranged on pallets. The work with these devices is as follows:
  • The end of the film web is placed on the goods to be packaged and initially held there. Then the goods are first wrapped around once and then several times, the film being stretched in such a way that, due to its restoring force, it adheres to the goods or a film underlayer. The wrapping can take place in such a way that the goods are rotated in front of the film dispenser or this is guided around the goods. In any case, it must be ensured that the film does not unwind loosely, but is pulled off under stretch, as otherwise it will not stick to the goods or a lower film layer. This requires a more or less strong braking of the film roll, which must also take into account the fact that the diameter of the film roll decreases continuously during the winding process.

Bei einem der bisher bekannten Folienhandabroller der eingangs beschriebenen Art, nämlich bei dem aus der GB-A-2 069 547 bekannten Folienhandabroller, weist der Rahmen, in dem die Folienrolle gelagert ist, ein oberes, an einem Ende am ersten Rahmenlängsteil angelenktes Querteil auf, dessen anderes Ende mittels eines drehbaren Betätigungsgliedes, nämlich einer Stellschraube mehr oder weniger stark gegen das obere Ende des zweiten Rahmenlängsteiles gedrückt wird, mit der Folge, dass ein von dem Querteil getragenes und dort drehbar gelagertes Halteglied, mehr oder weniger stark gegen die obere Stirnseite der Folienrolle gedrückt wird. Während des Wickelvorganges ist die Betätigung der Stellschraube mühsam, oft sogar unmöglich, da der Folienhandabroller in aller Regel mit beiden Händen gehalten und bei der Verpackung von höheren Gegenständen so stark angehoben werden muss, dass die Stellschraube überhaupt nicht erreicht werden kann.In one of the previously known film hand dispensers of the type described at the outset, namely in the film hand dispenser known from GB-A-2 069 547, the frame in which the film roll is mounted has an upper cross part articulated at one end to the first longitudinal frame part, the other end of which is pressed more or less strongly against the upper end of the second longitudinal frame part by means of a rotatable actuating element, namely an adjusting screw, with the result that a holding member carried by the cross part and rotatably supported there, more or less strongly against the upper end face of the Film roll is pressed. During the winding process, the actuation of the set screw is tedious, often even impossible, since the film hand dispenser generally has to be held with both hands and must be raised so much when packing higher objects that the set screw cannot be reached at all.

Der Erfindung liegt die Aufgabe zugrunde, hier Abhilfe, d.h. einen Folienhandabroller zu schaffen, bei dem sich die Bremseinrichtung jederzeit, d.h. auch dann problemlos regulieren lässt, wenn es gilt, die oberen Bereiche höherer Gegenstände mit Dehnfolie zu umwickeln.The object of the invention is to remedy this, i.e. to create a film hand dispenser, in which the braking device at any time, i.e. can also be easily regulated if it is necessary to wrap the upper areas of higher objects with stretch film.

Diese Aufgabe wird erfindungsgemäss durch einen Folienhandabroller gelöst, bei dem das drehbare Betätigungsglied für die verstellbare Schraubverbindung von wenigstens einem der Rahmenlängsteile gebildet ist, zwischen dem und wenigstens einem der Rahmenquerteile die Schraubverbindung besteht. Bei einem so ausgebildeten Folienhandabroller kann die Verstelleinrichtung jederzeit problemlos von einer das Gerät haltenden Hand betätigt werden, unabhängig von der jeweiligen Arbeitshöhe. Die Verstelleinrichtung des erfindungsgemässen Folienabrollers kann auf dessen Bremseinrichtung beispielsweise über einen Seilzug oder ein Zahnradgetriebe einwirken. Als besonders einfach in Herstellung und Handhabung hat sich jedoch eine Ausführungsform erwiesen, bei der die Verstelleinrichtung längenveränderbar ist und die Rahmenquerteile durch Verkürzung der Verstelleinrichtung in an sich bekannter Weise in axialer Richtung auf den Kern der Folienrolle drückbar sind. Letzteres gilt insbesondere dann, wenn die beiden Rahmenquerteile und das sie verbindende weitere Rahmenlängsteil als Federbügel ausgebildet sind, der Rahmen also frei von Gelenk- und Steckverbindungen ist, was bei einer bevorzugten Ausführungsform des erfindungsgemässen Folienhandabrollers der Fall ist.This object is achieved according to the invention by means of a film hand dispenser in which the rotatable actuating member for the adjustable screw connection is formed by at least one of the longitudinal frame parts, between which and at least one of the frame transverse parts there is the screw connection. With a film hand dispenser designed in this way, the adjusting device can be operated at any time without any problem by a hand holding the device, regardless of the respective working height. The adjusting device of the film dispenser according to the invention can act on its braking device, for example via a cable pull or a gear transmission. However, an embodiment has proven to be particularly simple in manufacture and handling, in which the adjusting device can be changed in length and the frame cross parts can be pressed axially onto the core of the film roll by shortening the adjusting device in a manner known per se. The latter applies in particular if the two frame cross parts and the further frame longitudinal part connecting them are designed as spring clips, that is to say the frame is free of articulated and plug-in connections, which is the case in a preferred embodiment of the film hand roller according to the invention.

Zur Längenveränderung des drehbaren Rahmenlängsteiles kann zwischen diesem und einem der Rahmenquerteile eine Stellschraube vorgesehen sein, die vorzugsweise gelenkig gelagert ist. Bei einer bevorzugten Ausführungsform sind zwei gelenkig gelagerte Stellschrauben vorgesehen, von denen eine rechts- und die andere linksgängig ist.To change the length of the rotatable longitudinal frame part, an adjusting screw can be provided between it and one of the frame transverse parts, which is preferably articulated. In a preferred embodiment, two articulated set screws are provided, one of which is right-handed and the other left-handed.

Das drehbare Rahmenteil kann als Drehgriff, vorzugsweise als Griffrolle oder Vierkantrohr ausgebildet sein und eine Länge aufweisen, die vorzugsweise im wesentlichen der Breite der Folienrolle entspricht.The rotatable frame part can be designed as a twist grip, preferably as a grip roller or square tube, and can have a length which preferably corresponds essentially to the width of the foil roller.

Das drehbare Rahmenlängsteil kann auch aus zwei teleskopartig zusammenwirkenden Teilen bestehen, die jeweils mit einem der Rahmenquerteile vorzugsweise über ein Gelenk drehbar verbunden sind. In jedem Falle hat es sich als vorteilhaft erwiesen, das drehbare Rahmenlängsteil zwischen den freien Enden der beiden Rahmenquerteile und die Lager für die Folienrolle im wesentlichen in der Mitte der Rahmenquerteile anzuordnen.The rotatable longitudinal frame part can also consist of two telescopically interacting parts, each of which is rotatably connected to one of the transverse frame parts, preferably via a joint. In any case, it has proven to be advantageous to arrange the rotatable longitudinal frame part between the free ends of the two transverse frame parts and the bearings for the film roll essentially in the middle of the transverse frame parts.

Die beiden Rahmenquerteile weisen vorzugsweise jeweils ein in der Arbeitsstellung stirnseitig in das Folienrollen-Innere ragendes Zentrierglied auf, wobei eines der beiden Zentrierglieder einen stirnseitig an der Folienrolle anliegenden Bund aufweist und drehbar gelagert ist, während dem anderen Zentrierglied eine stirnseitig auf die Folienrolle einwirkende Bremsscheibe zugeordnet ist, die auf einer Anschlagplatte drehbar gelagert ist.The two cross frame parts preferably each have a centering member protruding into the inside of the film roll inside in the working position, one of the two centering members having a collar lying on the front side of the film roll and being rotatably mounted, while the other centering member is assigned a brake disc acting on the end of the film roll is, which is rotatably mounted on a stop plate.

Das Folienrollenlager ist vorzugsweise in an sich bekannter Weise als axiales Drucklager ausgebildet und weist dabei vorzugsweise ein Lagerteil auf, das relativ zum zugehörigen Rahmenquerteil in axialer Richtung verschiebbar und mittels einer Spanneinrichtung in axialer Richtung festlegbar ist. Dadurch kann die Folienrolle in einfacher Weise in den Rahmen eingesetzt und eingespannt und nach Gebrauch wieder freigegeben werden, während die Verstelleinrichtung feinfühlig ausgebildet werden kann. Die Spanneinrichtung kann beispielsweise von einer Stellschraube gebildet sein. Als besonders praktisch, da einfach und problemlos zu betätigen, hat sich jedoch eine selbsthemmende Schnellspanneinrichtung erwiesen, die vorzugsweise nur zwei Endstellungen, nämlich eine Halte- und eine FreigabeStellung, besitzt. Diese Schnellspanneinrichtung kann ein als Kipphebel ausgebildetes Stellglied aufweisen, das an einer mit einem unter Federdruck stehenden Stellbolzen zusammenwirkenden Exzenterscheibe befestigt ist, wobei das der Exzenterscheibe abgewandte Stellbolzenende den drehbar gelagerten Folienrollenlagerteil trägt.The film roller bearing is preferably designed in a manner known per se as an axial thrust bearing and preferably has a bearing part which is displaceable in the axial direction relative to the associated frame cross part and can be fixed in the axial direction by means of a tensioning device. As a result, the film roll can be inserted and clamped in the frame in a simple manner and released again after use, while the adjusting device can be made sensitive. The Clamping device can be formed, for example, by an adjusting screw. A self-locking quick release device has proven to be particularly practical, since it is simple and easy to operate, and preferably has only two end positions, namely a holding position and a release position. This quick release device can have an actuator designed as a rocker arm, which is fastened to an eccentric disk which interacts with an adjusting bolt which is under spring pressure, the adjusting bolt end facing away from the eccentric disk carrying the rotatably mounted film roller bearing part.

An dem der Spannvorrichtung gegenüberliegenden Rahmenquerteil kann ein Stützfuss vorgesehen sein, der ein Abstellen des Gerätes am Boden ermöglicht. Der Stützfuss kann beispielsweise von einem Ring gebildet sein, dessen Durchmesser vorzugsweise grösser ist als der Durchmesser einer vollen Folienrolle.A supporting foot can be provided on the frame cross part opposite the tensioning device, which allows the device to be parked on the ground. The support foot can be formed, for example, by a ring, the diameter of which is preferably larger than the diameter of a full film roll.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der folgenden Beschreibung einer bevorzugten Ausführungsform im Zusammenhang mit der Zeichnung. In der Zeichnung zeigen jeweils schematisch:

  • Fig. 1 eine Seitenansicht eines erfindungsgemässen Folienhandabrollers,
  • Fig. 2 eine Draufsicht auf den in Fig. 1 dargestellten Folienhandabroller und
  • Fig. 3 Teile des in Fig. 1 dargestellten Folienhandabrollers in vergrössertem Massstab.
Further details, features and advantages of the invention result from the claims and the following description of a preferred embodiment in connection with the drawing. The drawings each show schematically:
  • 1 is a side view of a film dispenser according to the invention,
  • Fig. 2 is a plan view of the film hand dispenser shown in Fig. 1 and
  • Fig. 3 parts of the film hand roller shown in Fig. 1 on an enlarged scale.

Der dargestellte Folienhandabroller weist einen von einem Metallring gebildeten Stützfuss 1 auf; der am unteren Querteil 2 des Geräterahmens befestigt ist. Das jeweils rechts dargestellte Ende des Querteiles 2 geht in ein rechtwinklig dazu verlaufendes Längsteil 3 des Geräterahmens über, an dessen anderem Ende sich das obere Querteil 4 des Geräterahmens rechtwinklig anschliesst. Die beiden Querteile 2, 4 und das sie verbindende Längsteil 3 des Geräterahmens sind einstückig ausgebildet und vorzugsweise aus einem Metallrohr mit flachem Rechteckquerschnitt gefertigt, so dass sie einen Federbügel darstellen, dessen von den Querteilen 2, 4 gebildete Schenkel mehr oder weniger stark auseinandergedrückt bzw. zusammengezogen werden können.The film hand dispenser shown has a support leg 1 formed by a metal ring; which is attached to the lower cross part 2 of the device frame. The end of the cross-section 2 shown on the right in each case merges into a longitudinal part 3 of the device frame running at right angles thereto, at the other end of which the upper cross-section 4 of the device frame connects at right angles. The two cross parts 2, 4 and the connecting longitudinal part 3 of the device frame are formed in one piece and preferably made of a metal tube with a flat rectangular cross section, so that they represent a spring clip, the legs formed by the cross parts 2, 4 are more or less pressed apart or can be contracted.

In der Mitte des unteren Rahmenquerteiles 2 ist eine kleine Lagerplatte 5 befestigt, auf der eine Bremsscheibe 6 drehbar gelagert ist. Oberhalb dieser Bremsscheibe 6 ist ein Zentrierglied 7 angeordnet, das in der Arbeitsstellung des Folienabrollers in das Innere der aufgeschobenen Folienrolle 8 ragt',' während die Bremsscheibe 6 stirnseitig auf die Folienrolle 8 bzw. deren Kernrolle einwirkt.In the middle of the lower frame cross part 2, a small bearing plate 5 is fastened, on which a brake disc 6 is rotatably mounted. Above this brake disc 6 there is a centering member 7 which, in the working position of the film dispenser, projects into the interior of the pushed-on film roll 8 ',' while the brake disc 6 acts on the end face of the film roll 8 or its core roll.

Unterhalb der Mitte des oberen Rahmenquerteiles 4 ist ebenfalls ein Zentrierglied 9 vorgesehen, Dieses Zentrierglied 9 weist einen umlaufenden Bund 10 auf, der in der Arbeitsstellung stirnseitig gegen die Folienrolle 8 bzw. deren Kernrolle einwirkt. Das obere Zentrierglied 9 ist am unteren Ende eines Stellbolzens 11 drehbar gelagert, der in einer Ausnehmung des oberen Rahmenquerteiles 4 geführt ist. Das obere Ende des Stellbolzens 11 weist einen umlaufenden Bund auf, gegen den von unten eine Druckfeder wirkt, die sich nach unten gegen das obere Querteil 4 abstützt. Neben dem oberen Ende des Stellbolzens 11 sind am oberen Rahmenquerteil 4 zwei Laschen 12, 13 befestigt, zwischen denen eine Scheibe 14 gelagert ist. An der Scheibe 14 ist ein Kipphebel 15 befestigt. An der dem Kipphebel 15 gegenüberliegenden Seite weist die Scheibe 14 einen halbkreisförmigen Bereich auf, an den sich einander parallele Scheibenseiten anschliessen. Bei der dargestellten Stellung des Kipphebels 15 wird das obere Ende des Stellbolzens 11 von der auf ihn einwirkenden Druckfeder gegen eine dieser Scheibenseiten gedrückt. Die Scheibe 14 ist zwischen den beiden Laschen 12, 13 mittels eines Gelenkstiftes 16 exzentrisch gelagert, d.h. die Abstände der beiden einander parallelen Scheibenseiten zur Lagerachse sind unterschiedlich gross, mit der Folge, dass der durch Federdruck von unten gegen die Exzenterscheibe 14 gedrückte Stellbolzen 11 zusammen mit dem von ihm getragenen Zentrierglied 9 axial nach oben verlagert wird, wenn der Kipphebel 15 zusammen mit der mit ihm starr verbundenen Exzenterscheibe 14 aus der dargestellten Endstellung (Haltestellung) nach links in die zweite Endstellung (Freigabestellung) verschwenkt wird.A centering member 9 is also provided below the center of the upper frame cross part 4. This centering member 9 has a circumferential collar 10 which, in the working position, acts on the end face against the film roll 8 or its core roll. The upper centering member 9 is rotatably mounted at the lower end of an adjusting bolt 11 which is guided in a recess in the upper frame cross part 4. The upper end of the adjusting bolt 11 has a circumferential collar, against which a compression spring acts from below, which is supported downward against the upper cross part 4. In addition to the upper end of the adjusting bolt 11, two tabs 12, 13 are fastened to the upper cross frame part 4, between which a washer 14 is mounted. A rocker arm 15 is attached to the disk 14. On the side opposite the rocker arm 15, the disk 14 has a semicircular area, to which disk sides parallel to one another adjoin. In the illustrated position of the rocker arm 15, the upper end of the adjusting bolt 11 is pressed against one of these disk sides by the compression spring acting on it. The disc 14 is eccentrically mounted between the two tabs 12, 13 by means of a hinge pin 16, i.e. the distances between the two parallel disc sides to the bearing axis are different, with the result that the adjusting bolt 11 pressed by spring pressure from below against the eccentric disc 14 together with the centering member 9 carried by it is displaced axially upward when the rocker arm 15 together with the eccentric disk 14 rigidly connected to it is pivoted from the illustrated end position (holding position) to the left into the second end position (release position).

An den freien Enden der beiden Rahmenquerteile 2, 4 sind miteinander fluchtende Durchbrechungen 17, 18 vorgesehen, in denen jeweils ein Ende einer Stellschraube 19, 20 mittels eines Gelenkstiftes 21, 22 gelenkig gelagert ist. Die eine dieser Stellschrauben 19, 20 weist ein Linksgewinde, die andere ein Rechtsgewinde auf. Beide Stellschrauben sind in Muttern eingeschraubt, die jeweils an einemEndeeines als Drehgriff 23 dienenden Rohres befestigt, vorzugsweise verschweisst, sind. Dieses Rohr bildet das zweite Rahmenlängsteil. Eine Betätigung des Drehgriffes 23 hat zur Folge, dass die beiden Stellschrauben 19, 20 mehr oder weniger weit in das Innere des Drehgriffes eingeschraubt werden und dies wiederum, dass die freien Enden der beiden Rahmenquerteile 2, 4 mehr oder weniger weit aufeinander zu- bzw. voneinander wegbewegt werden. Letzteres hat zur Folge, dass durch Betätigung des Drehgriffes 23 sich eine Feineinstellung des Abstandes der beiden Zentrierglieder 7, 9 durchführen lässt.At the free ends of the two frame cross parts 2, 4, openings 17, 18 are provided, in which one end of a set screw 19, 20 is articulated by means of a hinge pin 21, 22. One of these set screws 19, 20 has a left-hand thread, the other a right-hand thread. Both set screws are screwed into nuts, each of which is fastened, preferably welded, to one end of a tube serving as a turning handle 23. This tube forms the second longitudinal frame part. An actuation of the twist grip 23 has the result that the two adjusting screws 19, 20 are screwed more or less far into the interior of the twist grip and this, in turn, that the free ends of the two frame cross parts 2, 4 more or less towards or be moved away from each other. The latter has the result that a fine adjustment of the distance between the two centering members 7, 9 can be carried out by actuating the rotary handle 23.

Mit dem dargestellten Folienhandabroller kann beispielsweise in folgender Weise gearbeitet werden: Zunächst wird der Kipphebel 15 aus der dargestellten Endstellung nach links geklappt, so dass der Stellbolzen 11 und damit das obere Zentrierglied 9 durch die auf den Stellbolzen 11 einwirkende Feder nach oben verlagert wird. Ist dies geschehen, kann auf das untere Zentrierglied 7 eine volle Folienrolle 8 aufgesetzt werden. Nach Ausrichten der Folienrolle ist der Kipphebel 15 wieder nach rechts in die dargestellte Endstellung zu verschwenken, wobei das obere Zentrierglied 9 in das Innere der Folienrolle bzw. deren Kernrolle eingreift. Die Folienrolle 8 wird jetzt von den beiden Zentriergliedern 7, 9 gehalten und kann mehr oder weniger leicht gedreht werden, wobei die Wirkung der einerseits mit der Folienrolle 8 und andererseits mit der Lagerplatte 5 zusammenwirkenden-Bremsscheibe 6 von der Beschaffenheit der Bremsscheibe und von dem von der Folienrolle 8 ausgeübten Auflagedruck abhängt. Die Bremswirkung der Bremsscheibe 6 kann jedoch durch Betätigung des gleichzeitig als Haltegriff dienenden Drehgriffes 23 verändert werden. Dabei spielt die Höhe, in der mit dem Folienabroller jeweils gearbeitet wird, keine Rolle, da die Verstelleinrichtung ihrer Bremseinrichtung auch in den extremsten Lagen leicht zugänglich ist.The film hand dispenser shown can be used, for example, in the following manner: First, the rocker arm 15 is folded to the left from the end position shown, so that the adjusting pin 11 and thus the upper centering member 9 are displaced upward by the spring acting on the adjusting pin 11. Once this has been done, a full film roll 8 can be placed on the lower centering member 7. After aligning the film roll, the rocker arm 15 is again pivoted to the right into the end position shown, the upper centering member 9 engaging in the interior of the film roll or its core roll. The film roll 8 is now held by the two centering members 7, 9 and can be rotated more or less easily, the effect of the brake disk 6 interacting on the one hand with the film roll 8 and on the other hand with the bearing plate 5 from the nature of the brake disk and from that of the film roll 8 applied contact pressure depends. The braking effect of the brake disc 6 can, however, by actuation supply of the rotary handle 23, which also serves as a handle, can be changed. The height at which the foil dispenser is used is irrelevant, since the adjustment device of your braking device is easily accessible even in the most extreme positions.

Claims (8)

1. Manual film winding-off device with a film roll (8) of stretch film and a frame formed by two longitudinal frame parts (3, 23) running parallel to the longitudinal axis of the film roll (8) and two transverse frame parts (2,4) running at right angles to the longitudinal axis of the film roll (8), said frame receiving the film roll (8) for rotary support purposes, a braking means acting on the film roll (8), as well as an adjusting means with a rotary actuator (23), by means of which the two transverse frame parts (2, 4) can be moved towards or away from one another to a greater or lesser extent and the braking means is regulat- able, there being an adjustable screw connection between at least one end of at least one of the longitudinal frame parts (3, 23) and one of the transverse frame parts (2, 4), characterized in that the rotary actuator for the adjustable screw connection is formed by at least one (23) of the longitudinal frame parts (3, 23), the screw connection being formed between the latter and at least one of the transverse frame parts (2, 4).
2. Winding-off device according to claim 1, characterized in that the adjusting means (23) is length- variable and the transverse frame parts (2, 4) can be pressed on to the core of the film roll (8) by axially shortening the adjusting means in per se known manner.
3. Winding-off device according to one of the preceding claims, characterized in that the two transverse frame parts (2, 4) and the longitudinal frame part (3) connecting them are constructed as spring clips.
4. Winding-off device according to one of the preceding claims, characterized in that the rotary longitudinal frame part (23) at at least one end is connected to one of the transverse frame parts (2, 4) by means of a setscrew (19, 20), which is preferably mounted in an articulated manner.
5. Winding-off device according to claim 4, characterized in that the rotary longitudinal frame part (23) is connected at one end via a setscrew (19) with a right-hand thread and at the other end via a setscrew (20) with a left-hand thread to the transverse frame parts (2, 4).
6. Winding-off device according to one of the preceding claims, characterized in that the rotary longitudinal frame part is constructed as a turning handle (23), particularly as a handle roller, which preferably has a length substantially corresponding to the film roll width.
7. Winding-off device according to one of the preceding claims, characterized in that the rotary longitudinal frame part (23) is located between the free ends of the tro transverse frame parts (2, 4) and the bearings for the film roll (8) are essentially arranged in the centre of the transverse frame parts (2, 4).
8. Winding-off device according to one of the preceding claims, characterized in that the roller bearing is constructed in per se known manner as a thrust bearing and that one bearing part (9) is axially displaceable relative to the associated transverse frame part (4) and can be axially fixed by means of a clamping device.
EP82111485A 1982-02-03 1982-12-10 Stand for manually unwinding foils Expired EP0086888B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82111485T ATE16992T1 (en) 1982-02-03 1982-12-10 FOIL HAND ROLLER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823203646 DE3203646A1 (en) 1982-02-03 1982-02-03 FILM HAND ROLLER
DE3203646 1982-02-03

Publications (2)

Publication Number Publication Date
EP0086888A1 EP0086888A1 (en) 1983-08-31
EP0086888B1 true EP0086888B1 (en) 1985-12-18

Family

ID=6154692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111485A Expired EP0086888B1 (en) 1982-02-03 1982-12-10 Stand for manually unwinding foils

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EP (1) EP0086888B1 (en)
AT (1) ATE16992T1 (en)
DE (2) DE3203646A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405753A1 (en) * 1984-02-17 1985-08-22 Stark, Erich, 7151 Affalterbach Gripping device for unrolling rolls of film
FR2584383B1 (en) * 1985-07-03 1987-12-24 Sopalplast Sa DEVICE FOR UNWINDING ROLLS OF MATERIALS IN FILMS
EP0300695A3 (en) * 1987-07-18 1990-07-25 Jeffrey Simpson Vassie Sheet material handling system, and dispenser and winding apparatus for use therein
DE19506924A1 (en) * 1995-02-28 1996-08-29 Siegbert Brutscher Unwinding mechanism for coil of wound material web, e.g. for roof insulation material
US5561971A (en) * 1995-09-19 1996-10-08 Sampson; Roy E. Portable round bale wrapper
FR2748734B1 (en) 1996-05-06 1998-07-31 Thimon OVERPACKING FILM, FILM PRE-STRETCHING DEVICE AND OVERPACKING PROCESS
FR2748722A1 (en) * 1996-05-06 1997-11-21 Thimon Film wrap for wrapping pelletised products
ES2276261T3 (en) * 2004-03-30 2007-06-16 Lacart S.R.O. MANUAL DEVICE FOR WRAPPING LUGGAGES.
CN106414093B (en) * 2014-06-05 2019-07-23 惠普发展公司有限责任合伙企业 Media roll retainer
CN104891227A (en) * 2015-04-18 2015-09-09 成都扬中新能源科技有限公司 Carboniferous heating plate aluminum belt edging line-releasing tool

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1262098B (en) * 1957-01-23 1968-02-29 Langston Company Device for unwinding rolls of paper or the like.
CS161475B1 (en) * 1973-04-30 1975-06-10
DE2548097A1 (en) * 1975-10-28 1977-05-05 Bhs Bayerische Berg Tensioner for paper roll - has axially displaceable tensioning element, with clutch and non:displaceable shaft
DE2659443A1 (en) * 1976-12-29 1978-07-13 Bissell Inc Kitchen towel or foil dispenser - made as holder with side pieces fitted with cut=outs to hold ends of guide roller through guide ledges
US4102513A (en) * 1977-09-14 1978-07-25 Twyman Guard Film wrapping dispenser
US4168038A (en) * 1977-10-19 1979-09-18 Nims Robert W Tape reroll apparatus
US4166589A (en) * 1978-03-24 1979-09-04 George J. Reid Portable wrapping film dispenser
US4248392A (en) * 1979-12-18 1981-02-03 Parry John C Apparatus for application of plastics stretch films
DE8104203U1 (en) * 1980-02-14 1981-11-05 Redfearn, Alan, Meltham, Yorkshire Packaging facility
GB2069457A (en) * 1980-02-14 1981-08-26 Redfearn A Dispensing stretchable wrapping material from a roll

Also Published As

Publication number Publication date
DE3268058D1 (en) 1986-01-30
ATE16992T1 (en) 1986-01-15
DE3203646A1 (en) 1983-08-11
EP0086888A1 (en) 1983-08-31

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