EP2355962B1 - Cutting machine - Google Patents

Cutting machine Download PDF

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Publication number
EP2355962B1
EP2355962B1 EP09775785.0A EP09775785A EP2355962B1 EP 2355962 B1 EP2355962 B1 EP 2355962B1 EP 09775785 A EP09775785 A EP 09775785A EP 2355962 B1 EP2355962 B1 EP 2355962B1
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EP
European Patent Office
Prior art keywords
cutting
machine according
cutting machine
stop
blade
Prior art date
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Active
Application number
EP09775785.0A
Other languages
German (de)
French (fr)
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EP2355962A1 (en
Inventor
Andreas Weissenberger
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Weissenberger AG
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Weissenberger AG
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Publication date
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Publication of EP2355962A1 publication Critical patent/EP2355962A1/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/3853Cutting-out; Stamping-out cutting out frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628Means for adjusting the position of the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02Means for moving the cutting member into its operative position for cutting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/04Processes
    • Y10T83/05With reorientation of tool between cuts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/768Rotatable disc tool pair or tool and carrier
    • Y10T83/7684With means to support work relative to tool[s]
    • Y10T83/7693Tool moved relative to work-support during cutting
    • Y10T83/7697Tool angularly adjustable relative to work-support
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/869Means to drive or to guide tool
    • Y10T83/8773Bevel or miter cut
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support

Definitions

  • the present invention relates to a cutting machine with at least one cutting head which is movable in at least two axes. Further, it relates to a method of operating this cutting machine.
  • Passepartouts are usually made of cardboard. From this an opening is to be cut, through which the respective picture is visible. In some cases, however, also passespartouts with several, such cutouts are desired.
  • the comparable cutting machines have in common that the passes-partout blank retained on a base plate can be cut by means of at least one cutting head which can be moved in two axes by means of this blanket blank.
  • the knife must be inclined to attach to the opening to give the most passespartouts usual oblique cut, for example, at an angle of 45 °.
  • This also the ornament serving notches are feasible, ie incisions with v-shaped cross-section.
  • a knife oriented at an angle of 90 ° to the base plate of the cutting machine is required.
  • the vertical cut is mainly necessary for the outside cut of the pas-partout. It is possible beyond that but also the cutting of packaging for transporting or shipping the framed pictures.
  • the Applicant successfully offers an automatic cutting machine with two different cutting heads. This has a very high operating comfort. But it must be made two separate cutting heads, mounted, out and possibly controlled.
  • the present invention therefore has the object to provide a cutting machine, on the one hand also allows automatic work at different cutting angles and on the other hand cheaper than the previous, comparable cutting machines can be offered.
  • the inventive cutting machine corresponds to the characterizing features of claim 1.
  • the method for their operation is apparent from claim 25. Further advantageous embodiments of the inventive concept can be seen from the dependent claims.
  • the invention allows, if desired, a manually operable cutting angle adjustment without blade replacement.
  • an automatic, taking place by a drive and controllable by a control adjustment of the cutting angle of the knife allows, without the need for an additional drive would be required.
  • the automatically existing cutting machines anyway for moving the cutting head in at least one X and Y axis existing drive can be used. This saves both costs and complicated, constructive measures.
  • a height adjustment of the knife with the aid of an existing drive is also possible.
  • a passes-partout 1 is visible, that is, a frame with a window-like cutout 2 with oblique edges 3. Behind or under the Passepartout 1, the image 4 or any other item to be included and optionally a rear wall 5 is arranged. The whole thing is usually mounted behind a glass in a picture frame.
  • Fig. 3 is to be cut blank 6 to be placed on a support 7 of the cutting machine.
  • a cutting head 8 is movable for cutting the mat 1 in a longitudinal axis X and a transverse axis Y.
  • a device 9 is present, which in the present example has two rails 10 and 11 which each extend parallel to an opposite edge of the support 7.
  • a beam 12 is movable.
  • the latter carries the cutting head 8 or a movable guide carriage 13 holding it.
  • the support 7 has at least one abutment edge 14 and / or a device for holding the blank 6. Furthermore, only a control 15 and at least one drive 16 are provided.
  • the cutting head 8 follows Fig. 4 a pivotable element 20.
  • a knife 21 or a blade insert 21 a is arranged.
  • invisible knife tip is directed downwards. It is guided so that it protrudes at least during cutting down from the cutting head 8 or out of a socket out.
  • the base is designed here as a rotation element 22.
  • This and the cutting head 8 are rotatably mounted about a vertical axis B - B against each other.
  • the rotary member 22 moves over the blank 6.
  • the pivotable element 20 is shown in a position in which the knife 21 is inclined, that is, in a deviated from the vertical inclined cutting angle. The vertical angle of intersection corresponds to the axis B - B or it is parallel to it.
  • the knife 21 In the position after Fig. 5 the knife 21 is vertical. The corresponding positions are also from the FIGS. 7 and 8 seen.
  • the inclined knife position is likewise marked as an axis or as an inclined cutting angle C - C.
  • the vertical and the inclination are to be understood in the present context always with respect to the plane of the mat 1, or arranged on the support 7 of the cutting machine blank 6.
  • the pivotable element 20 is guided in at least one link 23 and 24, for example by means of at least one pin 25 and 26, see Fig. 6 , It makes sense that this guide device is present on both sides of the pivotable element 20. It is also fitting that the cones and scenes Of course, it can also be arranged inversely on the other component.
  • the pivot point or crossing point of the intersection angles B - B and C - C is located at the bottom of the cutting head 8, in the region of the base or rotary element 22 or even below it. Therefore, the here formed as a gate 23 part-circular guide device.
  • the lower, closer to the pivot point backdrop 24 may be V-shaped.
  • the pivotable element 20 has on two opposite sides depending on a guide stop 27 and 28. It is not excluded but also to provide only one guide stop or more than two guide stops.
  • the guide stops 27 and 28 are curved to the outside, or arched outwards.
  • the cutting head 8 is moved by the controller 15 to the stop 17.
  • Fig. 3 corresponds to the dashed lines indicated position 8 'of the cutting head 8.
  • the position of the stop 17 is to be understood only as an example; it could also be arranged elsewhere, for example on the left edge of the support 7, as long as it can be approached by the cutting head 8.
  • the stop 17 is formed so that the beam 12 can pass over it unhindered.
  • stops 17 are also a plurality of differently arranged stops 17, for example, one on the longitudinal and on the narrow side of the support 7.
  • An embodiment of a stop 17 is in the Fig. 13 - 19 shown.
  • the stop 17 on an inclined, that is deviating from the vertical surface 29, the further below the cutting head 8, and the guide stop 27 opposes as above.
  • a vertical or other shaped surface 29th is also possible.
  • the cutting head can be rotated by 180 °, so that the opposite guide stop 28 of the pivotable element 20 rests against the stop 17.
  • the pivotable element 20 is thereby lifted and pivoted in the reverse direction from the lock.
  • the motion sequence also corresponds to the representation in the Fig. 13 - 19 ,
  • the height adjustment by means of the rotary element 22 takes place Fig. 4 - 12 ,
  • the opposite to the cutting head 8 rotatably mounted rotary member 22 has a different height in these drawings.
  • the purpose is to form an inclined or rising guideway 30 for a component lying thereon.
  • This component can either be the cutting head 8 itself, the pivotable element 20, or a carriage 31 supporting it or arranged thereon.
  • the relevant component 8, 20 or 31 is in operative connection with the knife 21 and the rotational position of the rotary element 22 to the respective component on the height position of this component and thus the knife 21 effects.
  • the cutting head 8 usually already has a drive in order to be able to rotate it about the axis B-B. This is necessary in order to be able to align the knife 21 in both the longitudinal and in the transverse direction to the passpartout cutting direction.
  • the cutting directions correspond to the longitudinal axis X and the transverse axis Y of the cutting machine.
  • any other geometric shapes of the passes-partout 1 and / or its section 2 are also possible.
  • a locking device 32 is provided, see Fig. 4 and the Fig. 13 - 19 , This can have at least one latching lug 33, which is intended to engage in at least one latching stop 34 of the rotary element 22.
  • the locking stop 34 is formed here as a groove.
  • a guide element 35 can be present on the cutting head 8, on the pivotable element 20 or on the carriage 31, see FIG FIGS. 9 and 10 which rests on the guideway 30.
  • the guide element 35 may also be designed and arranged differently than shown here.
  • the knife 21 is in the position after Fig. 11 raised and in position after Fig. 12 lowered. However, both higher and lower knife positions are possible.
  • the proposed cutting machine may also be designed differently than shown and described in the context of the claims. This concerns in particular the exact construction of the individual components and their guidance. It is not excluded to move the cutting head 8 instead of a rail / beam system by an arm. Also, the cutting head 8 according to its underside Fig. 4 have a sliding member 36, for example made of plastic.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Control Of Cutting Processes (AREA)

Description

Die vorliegende Erfindung betrifft eine Schneidemaschine mit mindestens einem Schneidkopf, der in mindestens zwei Achsen bewegbar ist. Weiter betrifft sie ein Verfahren zum Betrieb dieser Schneidemaschine.The present invention relates to a cutting machine with at least one cutting head which is movable in at least two axes. Further, it relates to a method of operating this cutting machine.

Insbesondere zum Zuschneiden von Passepartouts, das heisst von Rahmen zur Aufnahme von Bildern, Schriftstücken oder dergleichen, sind verschiedene, automatisch arbeitende Schneidemaschinen bekannt. Passepartouts bestehen üblicherweise aus Karton. Aus diesem ist eine Öffnung auszuschneiden, durch die das jeweilige Bild sichtbar ist. Fallweise werden aber auch Passepartouts mit mehreren, derartigen Ausschnitten gewünscht.In particular for cutting passe-partouts, that is to say frames for taking pictures, documents or the like, various automatic cutting machines are known. Passepartouts are usually made of cardboard. From this an opening is to be cut, through which the respective picture is visible. In some cases, however, also passepartouts with several, such cutouts are desired.

Den vergleichbaren Schneidemaschinen ist gemeinsam, dass das auf einer Grundplatte festgehaltene Passepartout-Rohstück mittels mindestens eines, in zwei Achsen über dieses Passepartout-Rohstück verfahrbaren Schneidkopfes schneidbar ist. Das Messer muss dabei geneigt ansetzbar sein, um der Öffnung den bei Passepartouts zumeist üblichen Schrägschnitt zu geben, beispielsweise in einem Winkel von 45°. Damit sind auch der Verzierung dienende Kerbschnitte machbar, das heisst Einschnitte mit v-förmigem Querschnitt. Um aber einen senkrecht zur Oberfläche des Passepartouts ausgerichteten Schnitt auszuführen, ist ein in Winkel von 90° zur Grundplatte der Schneidemaschine ausgerichtetes Messer erforderlich. Der senkrechte Schnitt ist hauptsächlich für den Aussenzuschnitt des Passepartouts notwendig. Möglich ist darüber hinaus aber auch das Zuschneiden von Verpackungen zum Transport oder Versand der gerahmten Bilder.The comparable cutting machines have in common that the passe-partout blank retained on a base plate can be cut by means of at least one cutting head which can be moved in two axes by means of this blanket blank. The knife must be inclined to attach to the opening to give the most passepartouts usual oblique cut, for example, at an angle of 45 °. This also the ornament serving notches are feasible, ie incisions with v-shaped cross-section. However, in order to carry out a cut oriented perpendicular to the surface of the passe-partout, a knife oriented at an angle of 90 ° to the base plate of the cutting machine is required. The vertical cut is mainly necessary for the outside cut of the passe-partout. It is possible beyond that but also the cutting of packaging for transporting or shipping the framed pictures.

Um sowohl einen Schrägschnitt als auch einen senkrechten Schnitt ausführen zu können, bietet die Anmelderin erfolgreich eine automatische Schneidemaschine mit zwei verschiedenen Schneidköpfen an. Diese hat einen sehr hohen Bedienungskomfort. Es müssen aber zwei getrennte Schneidköpfe hergestellt, montiert, geführt und allenfalls gesteuert werden.In order to be able to carry out both an oblique cut and a vertical cut, the Applicant successfully offers an automatic cutting machine with two different cutting heads. This has a very high operating comfort. But it must be made two separate cutting heads, mounted, out and possibly controlled.

In WO 2007/083455 wird eine Vorrichtung mit einem Roboterarm vorgeschlagen, an dem ein schwenkbarer Schneidkopf angeordnet ist. Eine einfachere Variante liegt darin, die Schneidköpfe austauschbar zu gestalten oder zumindest einen austauschbaren Messereinsatz vorzusehen. Eine derartige Lösung ist beispielsweise in der Veröffentlichung WO 2008/004253 beschrieben. Zum Austauschen von Schneidköpfen oder Messereinsätzen muss jedoch manuell in den Schneidvorgang eingegriffen werden, wozu die Schneidemaschine in jedem Fall anzuhalten ist. Das ist natürlich umständlich und keinesfalls im Sinn eines automatisierten Arbeitsablaufes.In WO 2007/083455 a device with a robot arm is proposed, on which a pivotable cutting head is arranged. A simpler variant is to make the cutting heads exchangeable or at least to provide a replaceable blade insert. Such a solution is for example in the publication WO 2008/004253 described. To replace cutting heads or knife inserts, however, must be intervened manually in the cutting process, for which the cutting machine is to stop in any case. This is of course awkward and not in the sense of an automated workflow.

Die vorliegende Erfindung setzt sich daher die Aufgabe, eine Schneidemaschine zu schaffen, die einerseits auch ein automatisches Arbeiten in unterschiedlichen Schnittwinkeln ermöglicht und andererseits günstiger als die bisherigen, vergleichbaren Schneidemaschinen angeboten werden kann.The present invention therefore has the object to provide a cutting machine, on the one hand also allows automatic work at different cutting angles and on the other hand cheaper than the previous, comparable cutting machines can be offered.

Die erfindungsgemässe Schneidemaschine entspricht den kennzeichnenden Merkmalen des Patentanspruchs 1. Das Verfahren zu deren Betrieb geht aus Patentanspruch 25 hervor. Weitere vorteilhafte Ausbildungen des Erfindungsgedankens sind aus den abhängigen Patentansprüchen ersichtlich.The inventive cutting machine corresponds to the characterizing features of claim 1. The method for their operation is apparent from claim 25. Further advantageous embodiments of the inventive concept can be seen from the dependent claims.

Die Erfindung ermöglicht, falls dies gewünscht sein sollte, eine manuell betätigbare Schnittwinkelverstellung ohne Messeraustausch. Insbesondere wird aber auch eine automatische, durch einen Antrieb erfolgende und durch eine Steuerung kontrollierbare Verstellung des Schnittwinkels des Messers ermöglicht, und zwar ohne dass hierzu ein zusätzlicher Antrieb erforderlich wäre. Vielmehr kann der bei automatisch arbeitenden Schneidemaschinen ohnehin zum Bewegen des Schneidkopfes in mindestens einer X- und Y-Achse vorhandene Antrieb verwendet werden. Dies erspart sowohl Kosten als auch komplizierte, konstruktive Massnahmen. In Weiterführung der Erfindung ist zusätzlich auch eine Höhenverstellung des Messers unter Zuhilfenahme eines vorhandenen Antriebs möglich.The invention allows, if desired, a manually operable cutting angle adjustment without blade replacement. In particular, however, an automatic, taking place by a drive and controllable by a control adjustment of the cutting angle of the knife allows, without the need for an additional drive would be required. Rather, the automatically existing cutting machines anyway for moving the cutting head in at least one X and Y axis existing drive can be used. This saves both costs and complicated, constructive measures. In continuation of the invention, a height adjustment of the knife with the aid of an existing drive is also possible.

Nachfolgend werden bevorzugte Ausführungsbeispiele der Erfindung anhand der Zeichnung näher beschrieben.

Fig. 1
zeigt eine Ansicht eines Passepartouts;
Fig. 2
zeigt einen Schnitt entlang der Linie A - A in Fig. 1;
Fig. 3
zeigt eine schematische Ansicht einer Schneidemaschine;
Fig. 4 - 5
zeigen Ansichten eines Schneidkopfes;
Fig. 6
zeigt einen Schnitt durch den Schneidkopf nach Fig. 5;
Fig. 7
zeigt den Schneidkopf mit geneigtem Schnittwinkel;
Fig. 8
zeigt den Schneidkopf mit senkrechtem Schnittwinkel;
Fig. 9 - 10
zeigen den Schneidkopf nach den Fig. 7 und 8, jeweils aus Richtung eines Anschlags;
Fig. 11
zeigt den Schneidkopf mit angehobenem Messer;
Fig. 12
zeigt den Schneidkopf mit abgesenktem Messer;
Fig. 13 - 19
zeigen den Bewegungsablauf des Messers vom geneigten in den senkrechten Schnittwinkel.
Hereinafter, preferred embodiments of the invention will be described with reference to the drawings.
Fig. 1
shows a view of a passe-partout;
Fig. 2
shows a section along the line A - A in Fig. 1 ;
Fig. 3
shows a schematic view of a cutting machine;
Fig. 4-5
show views of a cutting head;
Fig. 6
shows a section through the cutting head Fig. 5 ;
Fig. 7
shows the cutting head with inclined cutting angle;
Fig. 8
shows the cutting head with vertical cutting angle;
Fig. 9 - 10
show the cutting head after the FIGS. 7 and 8 , each from the direction of a stop;
Fig. 11
shows the cutting head with the knife raised;
Fig. 12
shows the cutting head with lowered knife;
Fig. 13 - 19
show the movement of the knife from the inclined to the vertical cutting angle.

Aus den Fig. 1 und 2 ist ein Passepartout 1 ersichtlich, das heisst ein Rahmen mit einem fensterartigen Ausschnitt 2 mit schrägen Schnittkanten 3. Hinter, beziehungsweise unter dem Passepartout 1, wird das Bild 4 oder auch ein sonstiger, einzurahmender Gegenstand und gegebenenfalls eine Rückwand 5 angeordnet. Das ganze wird üblicherweise hinter einer Glasscheibe in einem Bilderrahmen befestigt.From the Fig. 1 and 2 a passe-partout 1 is visible, that is, a frame with a window-like cutout 2 with oblique edges 3. Behind or under the Passepartout 1, the image 4 or any other item to be included and optionally a rear wall 5 is arranged. The whole thing is usually mounted behind a glass in a picture frame.

Gemäss Fig. 3 ist das zu schneidende Rohstück 6 auf einer Auflage 7 der Schneidemaschine anzuordnen. Ein Schneidkopf 8 ist zum Schneiden des Passepartouts 1 in einer Längsachse X und einer Querachse Y bewegbar. Hierzu ist eine Einrichtung 9 vorhanden, die im vorliegenden Beispiel zwei Schienen 10 und 11 aufweist, die je parallel zu einer entgegengesetzten Kante der Auflage 7 verlaufen. An diesen Schienen 10 und 11 ist ein Balken 12 verfahrbar. Letzterer trägt den Schneidkopf 8 oder einen diesen haltenden, verfahrbaren Führungsschlitten 13. Die Auflage 7 besitzt mindestens einen Anliegekante 14 und/oder eine Vorrichtung zum Festhalten des Rohstücks 6. Ferner sind eine nur angedeutete Steuerung 15 sowie mindestens ein Antrieb 16 vorgesehen. Dieser ist hier nur symbolisch zu verstehen, da er beliebig ausgebildet sein kann, vom pneumatischen Antrieb bis zu einer Anordnung von Elektromotoren. Letztere können selbstverständlich an den anzutreibenden Bauteilen angeordnet sein. Falls die bevorzugte, automatische Verstellbarkeit des Schnittwinkels gewünscht wird, ist zudem mindestens ein Anschlag 17 vorhanden. Auf dessen genaue Funktion wird später eingegangen. In den Fig. 1 und 2 liegt Vorderseite des Passepartouts 1 oben. Das Rohstück 6 wird jedoch vorzugsweise von seiner Rückseite her geschnitten. Auf diese Weise lassen sich auf der später sichtbaren Vorderseite des Passepartouts 1 allfällige Beschädigungen oder Kratzspuren vermeiden, die sich während des Festhaltens und Schneidens ergeben könnten. In jedem Fall ist ein geneigter Messeransatz 18 zum Ausschneiden des Ausschnitts 2 und ein senkrechter Messeransatz 19 für den Aussenzuschnitt notwendig.According to Fig. 3 is to be cut blank 6 to be placed on a support 7 of the cutting machine. A cutting head 8 is movable for cutting the mat 1 in a longitudinal axis X and a transverse axis Y. For this purpose, a device 9 is present, which in the present example has two rails 10 and 11 which each extend parallel to an opposite edge of the support 7. On these rails 10 and 11, a beam 12 is movable. The latter carries the cutting head 8 or a movable guide carriage 13 holding it. The support 7 has at least one abutment edge 14 and / or a device for holding the blank 6. Furthermore, only a control 15 and at least one drive 16 are provided. This is only to be understood symbolically here, since it can be of any desired design, from the pneumatic drive to an arrangement of electric motors. The latter can of course be arranged on the components to be driven. If the preferred, automatic adjustability of the cutting angle is desired, at least one stop 17 is also present. Its exact function will be discussed later. In the Fig. 1 and 2 lies front of the mat 1 above. However, the blank 6 is preferably cut from its back. In this way can be on the visible later front of the passe-partout 1 any damage or scratch marks to avoid, which could arise during the holding and cutting. In any case, an inclined knife approach 18 for cutting the section 2 and a vertical knife neck 19 for the outer cut is necessary.

Der Schneidkopf 8 weist nach Fig. 4 ein schwenkbares Element 20 auf. In letzterem ist ein Messer 21 oder ein Messereinsatz 21 a angeordnet. Die in Fig. 4 nicht sichtbare Messerspitze ist nach unten gerichtet. Sie ist so geführt, dass sie zumindest während des Schneidens unten aus dem Schneidkopf 8 oder aus einem Sockel heraus ragt. Der Sockel ist hier als Rotationselement 22 ausgebildet. Dieses und der Schneidkopf 8 sind um eine senkrechte Achse B - B gegeneinander drehbar gelagert. Das Rotationselement 22 bewegt sich über das Rohstück 6. In Fig. 4 ist das schwenkbare Element 20 in einer Stellung dargestellt, bei der das Messer 21 geneigt steht, das heisst, in einem von der Senkrechten abweichenden, geneigten Schnittwinkel. Der senkrechte Schnittwinkel entspricht der Achse B - B oder er liegt parallel dazu. In der Stellung nach Fig. 5 steht das Messer 21 senkrecht. Die entsprechenden Positionen sind auch aus den Fig. 7 und 8 ersichtlich. In Fig. 7 ist die geneigte Messerstellung zum besseren Verständnis ebenfalls als Achse, beziehungsweise als geneigter Schnittwinkel C - C gekennzeichnet. Die Senkrechte und die Neigung sind im vorliegenden Zusammenhang immer in bezug auf die Ebene des Passepartouts 1, beziehungsweise des auf der Auflage 7 der Schneidemaschine angeordneten Rohstücks 6 zu verstehen. Im dargestellten Ausführungsbeispiel ist das schwenkbare Element 20 in mindestens einer Kulisse 23 und 24 geführt, beispielsweise mittels mindestens eines Zapfens 25 und 26, siehe Fig. 6. Sinnvollerweise ist diese Führungseinrichtung zu beiden Seiten des schwenkbaren Elementes 20 vorhanden. Einzufügen ist auch, dass die Zapfen und Kulissen selbstverständlich auch umgekehrt am jeweils anderen Bauteil angeordnet sein können. Der Angelpunkt oder Kreuzungspunkt der Schnittwinkel B - B und C - C befindet sich unten am Schneidkopf 8, im Bereich des Sockels oder Rotationselements 22 oder sogar unterhalb desselben. Daher die hier als Kulisse 23 ausgebildete teilkreisförmige Führungseinrichtung. Die untere, näher beim Angelpunkt liegende Kulisse 24, kann v-förmig sein. Das schwenkbare Element 20 weist an zwei entgegengesetzten Seiten je einen Führungsanschlag 27 und 28 auf. Nicht ausgeschlossen ist es aber auch nur einen Führungsanschlag vorzusehen oder auch mehr als zwei Führungsanschläge. Die Führungsanschläge 27 und 28 sind nach aussen gekurvt, beziehungsweise nach aussen gewölbt ausgebildet.The cutting head 8 follows Fig. 4 a pivotable element 20. In the latter, a knife 21 or a blade insert 21 a is arranged. In the Fig. 4 invisible knife tip is directed downwards. It is guided so that it protrudes at least during cutting down from the cutting head 8 or out of a socket out. The base is designed here as a rotation element 22. This and the cutting head 8 are rotatably mounted about a vertical axis B - B against each other. The rotary member 22 moves over the blank 6. In Fig. 4 the pivotable element 20 is shown in a position in which the knife 21 is inclined, that is, in a deviated from the vertical inclined cutting angle. The vertical angle of intersection corresponds to the axis B - B or it is parallel to it. In the position after Fig. 5 the knife 21 is vertical. The corresponding positions are also from the FIGS. 7 and 8 seen. In Fig. 7 For better understanding, the inclined knife position is likewise marked as an axis or as an inclined cutting angle C - C. The vertical and the inclination are to be understood in the present context always with respect to the plane of the mat 1, or arranged on the support 7 of the cutting machine blank 6. In the illustrated embodiment, the pivotable element 20 is guided in at least one link 23 and 24, for example by means of at least one pin 25 and 26, see Fig. 6 , It makes sense that this guide device is present on both sides of the pivotable element 20. It is also fitting that the cones and scenes Of course, it can also be arranged inversely on the other component. The pivot point or crossing point of the intersection angles B - B and C - C is located at the bottom of the cutting head 8, in the region of the base or rotary element 22 or even below it. Therefore, the here formed as a gate 23 part-circular guide device. The lower, closer to the pivot point backdrop 24 may be V-shaped. The pivotable element 20 has on two opposite sides depending on a guide stop 27 and 28. It is not excluded but also to provide only one guide stop or more than two guide stops. The guide stops 27 and 28 are curved to the outside, or arched outwards.

Um nun die Messerstellung vom geneigten Schnittwinkel C - C in den senkrechten Schnittwinkel B - B zu bringen, das heisst in bezug auf das Passepartout 1 nach Fig. 2 vom Messeransatz 18 zum Messeransatz 19, wird der Schneidkopf 8 von der Steuerung 15 zum Anschlag 17 gefahren. In der schematischen Darstellung nach Fig. 3 entspricht das der gestrichelt angedeuteten Position 8' des Schneidkopfs 8. Es sei hier eingefügt, dass die Lage des Anschlags 17 nur als Beispiel zu verstehen ist; er könnte auch woanders angeordnet sein, beispielsweise am linken Rand der Auflage 7, solange er vom Schneidkopf 8 angefahren werden kann. In der dargestellten Ausführung ist der Anschlag 17 so ausgebildet, dass der Balken 12 ungehindert darüber hinweg fahren kann. Ausdrücklich nicht ausgeschlossen ist auch eine Mehrzahl von unterschiedlich angeordneten Anschlägen 17, beispielsweise je einen an der Längs- und an der Schmalseite der Auflage 7. Ein Ausführungsbeispiel eines Anschlags 17 ist in den Fig. 13 - 19 dargestellt. In dieser bevorzugten Ausführung, weist der Anschlag 17 eine geneigte, das heisst von der Senkrechten abweichende Fläche 29 auf, die unten weiter dem Schneidkopf 8, beziehungsweise dem Führungsanschlag 27 entgegen ragt als oben. Möglich ist aber auch eine senkrechte oder anders geformte Fläche 29.In order now to bring the knife position from the inclined cutting angle C - C in the vertical cutting angle B - B, that is, with respect to the mat 1 after Fig. 2 from the blade attachment 18 to the blade attachment 19, the cutting head 8 is moved by the controller 15 to the stop 17. In the schematic representation after Fig. 3 corresponds to the dashed lines indicated position 8 'of the cutting head 8. It should be added here that the position of the stop 17 is to be understood only as an example; it could also be arranged elsewhere, for example on the left edge of the support 7, as long as it can be approached by the cutting head 8. In the illustrated embodiment, the stop 17 is formed so that the beam 12 can pass over it unhindered. Expressly not excluded is also a plurality of differently arranged stops 17, for example, one on the longitudinal and on the narrow side of the support 7. An embodiment of a stop 17 is in the Fig. 13 - 19 shown. In this preferred embodiment, the stop 17 on an inclined, that is deviating from the vertical surface 29, the further below the cutting head 8, and the guide stop 27 opposes as above. But it is also possible a vertical or other shaped surface 29th

In der Position mit geneigten Schnittwinkel C - C nach Fig. 13 befindet sich der Zapfen 25 im rechten, nach oben abgewinkelten, ersten Ende der Kulisse 23. Das schwenkbare Element 20 hängt dadurch gesichert in dieser ersten Position. Wenn nun der Schneidkopf 8 näher an den Anschlag 17 herangefahren wird, drückt das Zusammenspiel der geneigten Fläche 29 des Anschlags 17 einerseits und des gekurvten, beziehungsweise nach aussen gewölbten Führungsanschlags 27 andererseits, das Element 20 nach oben aus der Arretierung und schwenkt es sukzessive von seiner dem Schnittwinkel C - C entsprechenden, ersten Position in die zweite Position mit senkrechtem Schnittwinkel B - B. Der entsprechende Bewegungsablauf ist deutlich den weiteren Fig. 14 - 19 zu entnehmen. Im senkrechten Schnittwinkel befindet sich der Zapfen 25 im entgegen gesetzten, ebenfalls nach oben abgewinkelten, zweiten Ende der Kulisse 23. Das schwenkbare Element 20 hängt dadurch wiederum gesichert in dieser zweiten Position. In beiden Positionen ist eine sichere und genaue Schneidarbeit möglich.In the position with inclined cutting angle C - C after Fig. 13 is the pin 25 in the right, upwardly angled, first end of the link 23. The pivotal member 20 depends thereby secured in this first position. Now, when the cutting head 8 is moved closer to the stop 17, the interaction of the inclined surface 29 of the stopper 17 on the one hand and the curved, or outwardly curved guide stop 27 on the other hand, pushes the element 20 upwards from the lock and pivots it successively from his The first position corresponding to the cutting angle C - C in the second position with vertical cutting angle B - B. The corresponding sequence of movements is clearly the other Fig. 14 - 19 refer to. In the vertical angle of intersection, the pin 25 is in the opposite, also upwardly angled, second end of the link 23. The pivotable element 20 thereby hangs in turn secured in this second position. Safe and accurate cutting work is possible in both positions.

Um nun wieder den geneigten Schnittwinkel C - C einzustellen, kann der Schneidkopf um 180° gedreht werden, so dass der entgegen gesetzte Führungsanschlag 28 des schwenkbaren Elementes 20 am Anschlag 17 anliegt. Das schwenkbare Element 20 wird dadurch in umgekehrter Richtung aus der Arretierung gehoben und geschwenkt. Der Bewegungsablauf entspricht ebenfalls der Darstellung in den Fig. 13 - 19.In order to adjust again the inclined cutting angle C - C, the cutting head can be rotated by 180 °, so that the opposite guide stop 28 of the pivotable element 20 rests against the stop 17. The pivotable element 20 is thereby lifted and pivoted in the reverse direction from the lock. The motion sequence also corresponds to the representation in the Fig. 13 - 19 ,

Möglich ist auch eine Höhenverstellung des Messers 21. Diese kann dazu dienen, das Messer 21 ein- und auszufahren, um die Schnittiefe der Dicke des jeweiligen Rohstücks 6 anzupassen oder beispielsweise um das Rohstück 6 nicht durchdringende Kerbschnitte auszuführen.It is also possible a height adjustment of the blade 21. This can serve to the knife 21 and extend to adjust the depth of cut of the thickness of the respective blank 6 or run, for example, the blank 6 not penetrating notches.

Diese Höhenverstellung könnte theoretisch manuell erfolgen. Bevorzugt wird aber die nachfolgend beschriebene, automatische Verstellung. Im vorliegenden Ausführungsbeispiel erfolgt die Höhenverstellung mit Hilfe des Rotationselements 22. Man beachte hierzu die Fig. 4 - 12. Das gegenüber dem Schneidkopf 8 drehbar gelagerte Rotationselement 22 weist in diesen Zeichnungen eine unterschiedliche Höhe auf. Der Sinn liegt darin, eine geneigte, beziehungsweise ansteigende Führungsbahn 30 für ein darauf aufliegendes Bauteil zu bilden. Bei diesem Bauteil kann es sich entweder um den Schneidkopf 8 selbst, um das schwenkbare Element 20 oder um einen dieses tragende oder an diesem angeordneten Schlitten 31 handeln. Alternativ zur bevorzugten, vorgehend beschriebenen Ausführung, wäre es auch denkbar, das Rotationselement 22 mit einem als geneigte Führungsbahn dienenden Gewinde zu versehen.This height adjustment could theoretically be done manually. However, the automatic adjustment described below is preferred. in the In the present embodiment, the height adjustment by means of the rotary element 22 takes place Fig. 4 - 12 , The opposite to the cutting head 8 rotatably mounted rotary member 22 has a different height in these drawings. The purpose is to form an inclined or rising guideway 30 for a component lying thereon. This component can either be the cutting head 8 itself, the pivotable element 20, or a carriage 31 supporting it or arranged thereon. Alternatively to the preferred embodiment described above, it would also be conceivable to provide the rotary element 22 with a thread serving as an inclined guide track.

Entscheidend ist, dass das betreffende Bauteil 8, 20 oder 31 in Wirkverbindung mit dem Messer 21 steht und sich die Drehposition des Rotationselements 22 zum jeweiligen Bauteil auf die Höhenposition dieses Bauteils und somit des Messers 21 auswirkt. Man beachte ferner, dass der Schneidkopf 8 üblicherweise ohnehin einen Antrieb aufweist, um ihn um die Achse B - B drehen zu können. Dieses ist notwendig, um das Messer 21 sowohl in der längs als auch in der quer zum Passepartout liegenden Schnittrichtung ausrichten zu können. Bei einem gewöhnlichen, rechteckigen Passepartout entsprechen die Schnittrichtungen der Längsachse X und der Querachse Y der Schneidemaschine. Möglich sind aber auch beliebig andere geometrische Formen des Passepartouts 1 und/oder seines Ausschnitts 2.It is crucial that the relevant component 8, 20 or 31 is in operative connection with the knife 21 and the rotational position of the rotary element 22 to the respective component on the height position of this component and thus the knife 21 effects. It should also be noted that the cutting head 8 usually already has a drive in order to be able to rotate it about the axis B-B. This is necessary in order to be able to align the knife 21 in both the longitudinal and in the transverse direction to the passepartout cutting direction. In an ordinary, rectangular mat, the cutting directions correspond to the longitudinal axis X and the transverse axis Y of the cutting machine. However, any other geometric shapes of the passe-partout 1 and / or its section 2 are also possible.

Um nun die zur Höhenverstellung notwendige Drehung herbeizuführen muss das Rotationselement 22 festgehalten werden. Zu diesem Zweck ist, entsprechend dem Anschlag 17, eine Sperreinrichtung 32 vorgesehen, siehe Fig. 4 und die Fig. 13 - 19. Diese kann mindestens eine Rastnase 33 aufweisen, die in mindestens einen Rastanschlag 34 des Rotationselements 22 zu greifen bestimmt ist. Der Rastanschlag 34 ist hier als Nut ausgebildet. Sinnvollerweise ist der feststehende Teil der Sperreinrichtung 32 im Bereich des Anschlags 17 angeordnet, wie dies aus Fig. 13 hervorgeht. Die Rastnase 33 ragt unterhalb des Anschlags 17 in Richtung des Schneidkopfes 8.In order to bring about the rotation necessary for the height adjustment, the rotation element 22 must be held fast. For this purpose, according to the stop 17, a locking device 32 is provided, see Fig. 4 and the Fig. 13 - 19 , This can have at least one latching lug 33, which is intended to engage in at least one latching stop 34 of the rotary element 22. The locking stop 34 is formed here as a groove. Logically, the fixed part of the Locking device 32 arranged in the region of the stop 17, as is made Fig. 13 evident. The detent 33 protrudes below the stop 17 in the direction of the cutting head eighth

In der in Fig. 4 - 12 dargestellten Ausführung ruht der Schneidkopf 8 im Rotationselement 22. Um die Drehbewegung in eine Hubbewegung umzusetzen, kann am Schneidkopf 8, am schwenkbare Element 20 oder am Schlitten 31 ein Führungselement 35 vorhanden sein, siehe Fig. 9 und 10, das auf der Führungsbahn 30 aufliegt. Das Führungselement 35 kann auch anders ausgebildet und angeordnet sein als dies hier dargestellt ist. Das Messer 21 ist in der Position nach Fig. 11 angehoben und in der Position nach Fig. 12 abgesenkt. Möglich sind indessen sowohl höhere als auch tiefere Messerpositionen.In the in Fig. 4 - 12 In order to convert the rotary movement into a lifting movement, a guide element 35 can be present on the cutting head 8, on the pivotable element 20 or on the carriage 31, see FIG FIGS. 9 and 10 which rests on the guideway 30. The guide element 35 may also be designed and arranged differently than shown here. The knife 21 is in the position after Fig. 11 raised and in position after Fig. 12 lowered. However, both higher and lower knife positions are possible.

Die vorgeschlagene Schneidemaschine kann im Rahmen der Patentansprüche auch anders als dargestellt und beschrieben ausgebildet sein. Dies betrifft insbesondere die genaue Konstruktion der einzelnen Bauteile und deren Führung. Nicht ausgeschlossen ist es, den Schneidkopf 8 anstatt durch ein Schienen-/Balkensystem durch einen Arm zu bewegen. Auch kann der Schneidkopf 8 an seiner Unterseite gemäss Fig. 4 ein Gleitelement 36 aufweisen, zum Beispiel aus Kunststoff.The proposed cutting machine may also be designed differently than shown and described in the context of the claims. This concerns in particular the exact construction of the individual components and their guidance. It is not excluded to move the cutting head 8 instead of a rail / beam system by an arm. Also, the cutting head 8 according to its underside Fig. 4 have a sliding member 36, for example made of plastic.

Claims (22)

  1. A cutting machine with at least one cutting head (8), which is displaceable in at least two axes (X, Y), having at least one blade (21) mounted with respect to the cutting head (8) in a swivelling manner relative to a cutting angle (B-B, C-C), wherein this blade (21) is orientated, in at least one swivelling position, at an inclined cutting angle (C-C) to a support (7) accommodating the object to be cut, with the purpose of being able to perform a bevel cut, characterized by at least one stop (17), with which the cutting head (8) can be brought into contact in such a manner that the swivelling position of the blade (21) can be moved by the stop (17) from a first cutting angle (B-B) into a second cutting angle (C-C) and/or vice versa, wherein the blade (21) or a blade insert (21a) carrying the latter is arranged on a swivellable element (20) mounted on the cutting head (8), which swivellable element (20) comprises at least one guide stop (27, 28) which are arranged opposite to one another and are directed outwards, which can be brought into contact with the stop (17).
  2. The cutting machine according to claim 1, characterized in that the guide stops (27, 28) of the swivellable element (20) are curved outwards or arched outwards.
  3. The cutting machine according to claim 1 or 2, characterized in that the stop (17) comprises an inclined face (29), which at the bottom projects further towards the cutting head (8) than at the top.
  4. The cutting machine according to any one of claims 1-3, characterized in that the swivellable element (20) is arranged on at least one part-circle-shaped guidance arrangement and that the pivotal point or point of intersection of the cutting angles (B-B, C-C) is located either at the bottom on the cutting head (8) or beneath the latter.
  5. The cutting machine according to claim 4, characterized in that the guidance arrangement of the swivellable element (20) comprises at least one connecting link (23) and at least one pin (25) guided in the latter.
  6. The cutting machine according to claim 5, characterized in that the connecting link (23) comprises at its ends at least one shaped portion serving to arrest the pin (25) in an end position.
  7. The cutting machine according to claim 6, characterized in that the connecting link (23) is formed bent upwards at its ends, as a result of which the swivellable element (20) hangs secured in this end position.
  8. The cutting machine according to any one of claims 5-7, characterized by at least a second v-shaped connecting link (24), in which a pin (26) is guided.
  9. The cutting machine according to any one of claims 1-8, characterized by at least one rotation element (22) mounted rotatably with respect to the cutting head (8) and serving for the height adjustment of the blade (21).
  10. The cutting machine according to claim 9, characterized in that the rotation element (22) is arranged at the lower end of the cutting head (8).
  11. The cutting machine according to claim 9 or 10, characterized in that the rotation element (22) has a differing height.
  12. The cutting machine according to any one of claims 9 to 11, characterized in that the rotation element (22) forms an ascending guide path (30) for a component (8, 20, 31) lying thereon, which is in an operative connection with the blade (21), wherein the rotational position of the rotation element (22) acts on the height position of this component (8, 20, 31) and therefore of the blade (21).
  13. The cutting machine according to claim 12, characterized in that the component lying on the guide path (30) is either firstly the cutting head (8) itself or secondly the swivellable element (20) or thirdly a carriage (31) carrying the latter or arranged on the latter.
  14. The cutting machine according to claim 13, characterized by at least one guide element (35), which is arranged or formed on the respective component (8, 20, 31) and which is supported on the guide path (30).
  15. The cutting machine according to claim 9 or 10, characterized in that the rotation element (22) comprises a thread.
  16. The cutting machine according to any one of claims 9-15, characterized by at least one locking element (32), by means of which the rotation element (22) rotatable with respect to the cutting head (8) can be prevented from rotating.
  17. The cutting machine according to claim 16, characterized in that the locking element (32) comprises at least one latching nose (33) and at least one latching stop (34), which for example is constituted as a groove.
  18. The cutting machine according to claim 17, characterized in that, in each case, one of the two components latching nose (33) and latching stop (34) is arranged either on the rotation element (22) or at a point outside the cutting head (8).
  19. The cutting machine according to claim 18, characterized in that either the latching nose (33) or the latching stop (34) is arranged in the region of the stop (17).
  20. The cutting machine according to claim 19, characterized in that either the latching nose (33) or the latching stop (34) is arranged beneath the stop (17).
  21. A method for the operation of a cutting machine according to claim 1, characterized in that, for the purpose of adjusting a swivelling position of a blade (21) from a first cutting angle (B-B) into a second cutting angle (C-C) and/or vice versa, a cutting head (8) carrying the blade (21) and displaceable in at least two axes (X, Y) is run up against a stop (17) arranged on the cutting machine and is brought into contact in such a way that the blade (21) or a swivellable element (20) carrying the latter is swivelled from one into the other cutting angle (B-B, C-C).
  22. The method according to claim 21, characterized in that, for the purpose of adjusting the height position of the blade (21), a rotation element (22) mounted rotatably with respect to the cutting head (8) or with respect to a component (20, 31) arranged on the latter is used, wherein the cutting head (8) or the respective component (20, 31) is rotated by means of a drive and the rotation element (22) is held fast by means of a locking element (32), as a result of which the mutual position of the cutting head (8) and the rotation element (22) is changed, on account of an inclined guide path (30), in such a way that the height position of the blade (21) is adjusted.
EP09775785.0A 2008-12-10 2009-09-07 Cutting machine Active EP2355962B1 (en)

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CH01939/08A CH700096A2 (en) 2008-12-10 2008-12-10 Cutting machine.
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JP4890868B2 (en) 2006-01-18 2012-03-07 リンテック株式会社 Sheet cutting device and cutting method
WO2008004253A1 (en) 2006-07-03 2008-01-10 Valiani Srl System for the rapid change of head on operating machines

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EP2355962A1 (en) 2011-08-17
AU2009326825B2 (en) 2016-05-26
AU2009326825A1 (en) 2010-06-17
AU2009326825A2 (en) 2011-11-10
WO2010066054A1 (en) 2010-06-17
CH700096A2 (en) 2010-06-15
US8640581B2 (en) 2014-02-04
US20110226100A1 (en) 2011-09-22

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