EP2474397A1 - Cutting and grooving device and method for cutting and/or grooving - Google Patents

Cutting and grooving device and method for cutting and/or grooving Download PDF

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Publication number
EP2474397A1
EP2474397A1 EP11150372A EP11150372A EP2474397A1 EP 2474397 A1 EP2474397 A1 EP 2474397A1 EP 11150372 A EP11150372 A EP 11150372A EP 11150372 A EP11150372 A EP 11150372A EP 2474397 A1 EP2474397 A1 EP 2474397A1
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EP
European Patent Office
Prior art keywords
cutting
grooving
halves
workpiece
creasing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11150372A
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German (de)
French (fr)
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EP2474397B1 (en
Inventor
Sebastian Dipl.-Ing. Spörke
Marcel Dipl.-Ing. Beyer
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.)
Homag Automation GmbH
Original Assignee
Ligmatech Automationssysteme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ligmatech Automationssysteme GmbH filed Critical Ligmatech Automationssysteme GmbH
Priority to EP11150372.8A priority Critical patent/EP2474397B1/en
Priority to US13/344,933 priority patent/US20120178605A1/en
Publication of EP2474397A1 publication Critical patent/EP2474397A1/en
Application granted granted Critical
Publication of EP2474397B1 publication Critical patent/EP2474397B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/141—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form

Definitions

  • the present invention relates to a cutting and creasing device and a method for cutting and / or grooving.
  • Such devices and methods are used, for example, in the packaging industry in the production of foldable cardboard or cardboard packaging to provide them with a groove or with a groove along which the carton can be folded in the terminal.
  • the WO 2006/091149 A1 describes a cutting and Rillradan instructive mechanism, by means of which it is possible to perform both a cutting and a creasing process in a workpiece to be machined.
  • This cutting and Rillradan Mru is constructed so that two Rillradh crawln are provided with the same radial diameter and an interposed cutting tool.
  • By arranging the cutting blade between the creasing wheels it is possible to additionally compress the work piece by the creasing wheels when cutting with the cutting blade, so that it is possible to make the cutting blade with a smaller diameter.
  • this cutting and scoring wheel arrangement has the night part that at high processing speeds during scoring operations, the compression rate at which the workpiece is compressed during scoring is very high, which results in the workpiece not only being grooved, but also tearing of the workpiece, especially the carton comes. Especially with thick corrugated cardboard, this is often observed.
  • the invention is therefore based on the object to provide a cutting and creasing device and a method for cutting and / or grooving, which solves the known problems of the prior art and is also suitable for high processing speeds a secure and reliable grooves or compress the workpiece to allow.
  • the invention is based on the idea to use the Rilltechnikmaschinemaschinen a cutting and creasing device so skillfully that the compression rate can be optimally adapted to the workpiece despite high processing speed during the grooves.
  • the cutting and creasing device in particular for cardboard, two round, in particular circular, Rillwerkmaschinectionhbankn and arranged between the two Rillwerkmaschinectionhbankn cutter, wherein the cutting device between a rest position radially inwardly between the Rillwerkmaschinemaschinen and an operating position radially outside the Rillwerkmaschinemaschinen is movable. Show the two rill mold halves each have different diameters.
  • a Rillwerkmaschinehgan according to the invention is any type of tool that is suitable for the grooves of cardboard or the like.
  • the rill mold halves are round, in particular circular, designed and have in its periphery on a surface which is shaped so as to perform the grooves of the cardboard boxes advantageous.
  • round as well as partly also flat cross sections are suitable.
  • the cutting and creasing device With the cutting and creasing device according to the invention, it is conditional on the two rill mold halves having diameters of different sizes to be able to gently compress the workpiece to be machined during grooving and / or cutting, since the larger diameter rill tool halves are thus advantageously used may initially begin compressing the workpiece and then having the smaller diameter grooving tool half assist the larger diameter grooving tool half in full compression.
  • the two are Groove halves with different diameter arranged so that at least in a portion of the machining area, the distance between the two grooved halves halves is equal to a workpiece to be machined.
  • the difference in the diameter of the two rill mold halves is between 5 and 40%, preferably between 10 and 20%, particularly preferably about 15%.
  • the two rill mold halves are arranged so that the Rillwerkmaschineschitz with the larger diameter first initiates a creasing process.
  • the Rilltechnikmaschinesch with the larger diameter first initiates a creasing process.
  • the device according to the invention can, according to a further advantageous embodiment, have a cutting device with a substantially circular cutting blade and / or a cutting device which is a perforating cutting device.
  • Alternative cutting devices are also conceivable.
  • the invention relates to a method for cutting and / or grooving workpieces, in which the grooved tool half with the larger diameter first begins with the compression or groove of the workpiece and then both grooved halves of the workpiece compress the workpiece. To this Way, it is particularly advantageous possible to gently compress the workpiece, as the Rilltechnikmaschinen successively initiate the compression.
  • the cutting and creasing device 10 is preferably used in the processing of cardboard, cardboard, cardboard, corrugated cardboard and the like.
  • the cutting and scoring device 10 is used for cutting and scoring of workpieces 11, wherein grooves designates a process in which by applying pressure to the workpiece 11, a groove is inserted into the same, so as to produce a "groove". Along this groove, the workpiece is subsequently easier to fold or fold.
  • the cutting and creasing device 10 has for this purpose two substantially round creasing tool halves 12 and 14.
  • the cutting and creasing device 10 has for this purpose two substantially round creasing tool halves 12 and 14.
  • Groove cutter halves 12, 14 are arranged in the axial direction next to one another such that a cutting device 16 (which will be described below) can be arranged between them.
  • the cutting and scoring device 10 When a work piece 11 to be machined is scored with the cutting and scoring device 10, the cutting and scoring device 10 is pressed onto the region of the workpiece 11 to be scored, and then a relative movement between the workpiece 11 and the cutting and scoring device 10 is obtained in the scoring direction. In this case, both the workpiece 11 relative to the cutting and creasing device 10 and the cutting and creasing device 10 can be moved relative to the workpiece.
  • the two rill mold halves 12, 14 have a different diameter, wherein the different diameter between 5-40 % , preferably 10-20%, more preferably 15% may be. By this difference in diameter, it is possible to prevent the groove 11 from becoming too high when the workpiece 11 is being grooved, so that the workpiece 11 is prevented from tearing when the groove is being cut.
  • the two rill mold halves 12, 14 are arranged so that both halves 12, 14 rest flat on the workpiece 11, at least in a small section area.
  • the grooving tool half 12 with the larger diameter performs a first compressing operation, which in the further course is supported by the smaller grooving tool half 14, up to the two grooving tool halves at the location of the maximum compression rest on the workpiece.
  • Fig. 2 clarifies this connection.
  • the two grooving halves 12, 14 are formed in cross section so suitable to produce a suitable score line geometry.
  • Other shapes are also conceivable.
  • the cutting and creasing device 10 it is additionally possible with the cutting and creasing device 10 according to the invention to introduce a cut into the workpiece 11 with the cutting device 16.
  • the cutting device 16 is designed so that it is between a retracted position (see Fig. 1-3 ) and an extended position (see Fig. 4 ) can be moved.
  • the cutting device can additionally interact with the two scarf tool halves 12, 14, in that the two scarf tool halves 12, 14 additionally compress the workpiece 11 during cutting, so that a smaller cutting depth is required.
  • the process of the cutter 16 between the operating position in which it performs a cutting processing of the workpiece 11, and the rest position (see Fig. 1-3 ), in which no cutting machining is performed, can be done by means of a suitable servomotor or manually.
  • the cutting device 16 can be designed both as a cutting device which completely cuts through the workpiece, and as a perforating cutting device, which only partially cuts through the workpiece. In this way, it is possible to cut the workpiece, especially the cartons and the like, only partially and then further processed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

The cutting- and scoring device (10) has two round scoring tool halves (12,14) and a cutting unit (16) arranged between the two scoring tool halves. The cutting unit is movable between a rest position radially inside between the scoring tool halves and an operating position radially outside the scoring tool halves. The two scoring tool halves have diameters of different sizes. An independent claim is also included for a method for cutting and scoring work pieces.

Description

Technisches GebietTechnical area

Die vorliegende Erfindung betrifft eine Schneid- und Rillvorrichtung sowie ein Verfahren zum Schneiden und/oder Rillen. Derartige Vorrichtungen bzw. Verfahren werden eingesetzt, um beispielsweise in der Verpackungsindustrie bei der Produktion von faltbaren Kartonagen bzw. Kartonverpackungen diese mit einer Rille bzw. auch mit einer Nut zu versehen, entlang derer der Karton im Anschluss gefaltet werden kann. Zusätzlich ist es bei derartigen Vorrichtungen bzw. Verfahren wünschenswert, dass in den Karton auch ein Schnitt eingebracht werden kann, so dass gewünschte Kartonformate, insbesondere bei der Fertigung mit der Losgröße 1, ohne große Umrüstzeiten herstellbar sind.The present invention relates to a cutting and creasing device and a method for cutting and / or grooving. Such devices and methods are used, for example, in the packaging industry in the production of foldable cardboard or cardboard packaging to provide them with a groove or with a groove along which the carton can be folded in the terminal. In addition, it is desirable in such devices and methods that a cut can also be made in the carton, so that desired carton formats, in particular during production with lot size 1, can be produced without major changeover times.

Stand der TechnikState of the art

Die WO 2006/091149 A1 beschreibt eine Schneid- und Rillradanordnung, mittels welcher es möglich ist, bei einem zu bearbeitenden Werkstück sowohl einen Schneid- als auch einen Rillvorgang durchzuführen. Diese Schneid- und Rillradanordnung ist so aufgebaut, dass zwei Rillradhälften mit gleichem radialen Durchmesser sowie ein dazwischen angeordnetes Schneidwerkzeug vorgesehen sind. Durch Anordnen des Schneidmessers zwischen den Rillrädern ist es möglich, das Werkstück beim Schneiden mit dem Schneidmesser zusätzlich mittels der Rillräder zu komprimieren, so dass es möglich ist, das Schneidmesser mit einem kleineren Durchmesser auszuführen.The WO 2006/091149 A1 describes a cutting and Rillradanordnung, by means of which it is possible to perform both a cutting and a creasing process in a workpiece to be machined. This cutting and Rillradanordnung is constructed so that two Rillradhälften are provided with the same radial diameter and an interposed cutting tool. By arranging the cutting blade between the creasing wheels, it is possible to additionally compress the work piece by the creasing wheels when cutting with the cutting blade, so that it is possible to make the cutting blade with a smaller diameter.

Diese Schneid- und Rillradanordnung weist jedoch den Nachtteil auf, dass bei hohen Verarbeitungsgeschwindigkeiten bei Rillvorgängen die Komprimierungsrate, mit der das Werkstück beim Rillen komprimiert wird, sehr hoch ist, was dazu führt, dass das Werkstück nicht nur gerillt wird, sondern dass es zum Einreißen des Werkstücks, insbesondere des Kartons, kommt. Vor Allem bei dicken Wellpappen ist dies häufig zu beobachten.However, this cutting and scoring wheel arrangement has the night part that at high processing speeds during scoring operations, the compression rate at which the workpiece is compressed during scoring is very high, which results in the workpiece not only being grooved, but also tearing of the workpiece, especially the carton comes. Especially with thick corrugated cardboard, this is often observed.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, eine Schneid-und Rillvorrichtung sowie ein Verfahren zum Schneiden und/oder Rillen zu schaffen, das die bekannten Probleme aus dem Stand der Technik löst und ferner dazu geeignet ist, um bei hohen Bearbeitungsgeschwindigkeiten ein sicheres und zuverlässiges Rillen bzw. Komprimieren des Werkstücks zu ermöglichen.The invention is therefore based on the object to provide a cutting and creasing device and a method for cutting and / or grooving, which solves the known problems of the prior art and is also suitable for high processing speeds a secure and reliable grooves or compress the workpiece to allow.

Die Lösung der Aufgabe erfolgt durch den Gegenstand des Patentanspruchs 1. Bevorzugte Ausgestaltungen ergeben sich aus den Unteransprüchen.The object is achieved by the subject matter of claim 1. Preferred embodiments will become apparent from the dependent claims.

Der Erfindung liegt der Gedanke zugrunde, die Rillwerkzeughälften einer Schneid- und Rillvorrichtung derart geschickt einzusetzen, dass die Komprimierungsrate trotz hoher Bearbeitungsgeschwindigkeit beim Rillen optimal dem Werkstück angepasst werden kann.The invention is based on the idea to use the Rillwerkzeughälften a cutting and creasing device so skillfully that the compression rate can be optimally adapted to the workpiece despite high processing speed during the grooves.

Demgemäß umfasst die erfindungsgemäße Schneid- und Rillvorrichtung, insbesondere für Kartonagen, zwei runde, insbesondere kreisrunde, Rillwerkzeughälften und eine zwischen den beiden Rillwerkzeughälften angeordnete Schneideinrichtung, wobei die Schneideinrichtung zwischen einer Ruheposition radial innerhalb zwischen den Rillwerkzeughälften und einer Betriebsposition radial außerhalb der Rillwerkzeughälften beweglich ist. Dabei weisen die zwei Rillwerkzeughälften jeweils unterschiedlich große Durchmesser auf.Accordingly, the cutting and creasing device according to the invention, in particular for cardboard, two round, in particular circular, Rillwerkzeughälften and arranged between the two Rillwerkzeughälften cutter, wherein the cutting device between a rest position radially inwardly between the Rillwerkzeughälften and an operating position radially outside the Rillwerkzeughälften is movable. Show the two rill mold halves each have different diameters.

Eine Rillwerkzeughälfte im Sinne der Erfindung ist dabei jede Art von Werkzeug, das zum Rillen von Kartonagen oder dergleichen geeignet ist. Die Rillwerkzeughälften sind dabei rund, insbesondere kreisrund, ausgeführt und weisen in ihrem Umfang eine Fläche auf, die so geformt ist, um das Rillen der Kartonagen vorteilhaft durchführen zu können. Dazu sind runde sowie teilweise auch flache Querschnitte geeignet.A Rillwerkzeughälfte according to the invention is any type of tool that is suitable for the grooves of cardboard or the like. The rill mold halves are round, in particular circular, designed and have in its periphery on a surface which is shaped so as to perform the grooves of the cardboard boxes advantageous. For this purpose round as well as partly also flat cross sections are suitable.

Mit der erfindungsgemäßen Schneid- und Rillvorrichtung ist es bedingt dadurch, dass die zwei Rillwerkzeughälften unterschiedlich große Durchmesser aufweisen, möglich, beim Rillen und/oder beim Schneiden das zu bearbeitende Werkstück schonend zu komprimieren, da die Rillwerkzeughälfte mit dem größeren Durchmesser mit Vorteil so eingesetzt werden kann, dass diese zunächst mit dem Komprimieren des Werkstücks beginnt und anschließend die Rillwerkzeughälfte mit dem kleineren Durchmesser die Rillwerkzeughälfte mit dem größeren Durchmesser beim vollständigen Komprimieren unterstützt. Auf diese Weise kann zum Einen eine hohe Bearbeitungsgeschwindigkeit der Schneid- und Rillvorrichtung umgesetzt werden und zum Anderen kann die Komprimierungsrate beim Rillen derart abgesenkt werden, dass eine Beschädigung, insbesondere ein Einreißen, des Materials, insbesondere des Kartons bzw. der Wellpappe, vermieden werden kann. Somit ist es möglich, den Anteil an Ausschuss bei der Produktion wesentlich zu verringern, wodurch Fertigungskosten eingespart werden können.With the cutting and creasing device according to the invention, it is conditional on the two rill mold halves having diameters of different sizes to be able to gently compress the workpiece to be machined during grooving and / or cutting, since the larger diameter rill tool halves are thus advantageously used may initially begin compressing the workpiece and then having the smaller diameter grooving tool half assist the larger diameter grooving tool half in full compression. In this way, on the one hand, a high processing speed of the cutting and creasing device can be implemented and, on the other hand, the compression rate during creasing can be lowered such that damage, in particular tearing, of the material, in particular of the cardboard or corrugated cardboard, can be avoided , Thus, it is possible to significantly reduce the amount of rejects in production, whereby manufacturing costs can be saved.

Gemäß einer Ausführungsform sind die beiden
Rillwerkzeughälften mit unterschiedlichem Durchmesser so angeordnet, dass zumindest in einem Abschnitt des Bearbeitungsbereichs der Abstand der zwei Rillwerkzeughälften zu einem zu bearbeitenden Werkstück gleich ist. Auf diese Weise ist es mit Vorteil möglich, einen Bearbeitungsbereich zu schaffen, in dem das Werkstück mittels beider Rillwerkzeughälften derart komprimiert wird, dass ein zuverlässiges und ausreichendes Rillen des Werkstücks ermöglich wird.According to one embodiment, the two are
Groove halves with different diameter arranged so that at least in a portion of the machining area, the distance between the two grooved halves halves is equal to a workpiece to be machined. In this way it is possible with advantage, a processing area in which the workpiece is compressed by means of both rill tool halves in such a way that a reliable and sufficient groove of the workpiece is made possible.

Gemäß einer weiteren besonders bevorzugten Ausführungsform beträgt der Unterschied des Durchmessers der zwei Rillwerkzeughälften zwischen 5 und 40 %, bevorzugt zwischen 10 und 20 %, besonders bevorzugt ca. 15 %. Mit einem Rillwerkzeughälftendurchmesserunterschied in diesem Bereich kann besonders zuverlässig ein Einreißen oder dergleichen des Werkstücks vermieden werden, so dass ein besonders zuverlässiges und gutes Rillen ermöglicht wird.According to a further particularly preferred embodiment, the difference in the diameter of the two rill mold halves is between 5 and 40%, preferably between 10 and 20%, particularly preferably about 15%. With a groove tool half diameter difference in this range, tearing or the like of the workpiece can be avoided particularly reliably, thus enabling particularly reliable and good creasing.

Gemäß einer weiteren besonders bevorzugten Ausführungsform der Erfindung sind die beiden Rillwerkzeughälften so angeordnet, dass die Rillwerkzeughälfte mit dem größeren Durchmesser zuerst einen Rillvorgang einleitet. Auf diese Weise ist es bedingt durch den größeren Durchmesser und durch das zunächst nur mit einer Rillwerkzeughälfte durchgeführte Rillen möglich, die Komprimierungsrate beim Rillen derart vorteilhaft zu beeinflussen, dass ein Einreißen des Werkstücks oder dergleichen vermieden wird.According to a further particularly preferred embodiment of the invention, the two rill mold halves are arranged so that the Rillwerkzeughälfte with the larger diameter first initiates a creasing process. In this way, it is possible due to the larger diameter and through the initially performed only with a Rillwerkzeughälfte grooves to influence the compression rate during the grooves so advantageous that tearing of the workpiece or the like is avoided.

Die erfindungsgemäße Vorrichtung kann dabei gemäß einer weiteren vorteilhaften Ausführungsform eine Schneideinrichtung mit einem im Wesentlichen kreisrunden Schneidmesser und/oder eine Schneideinrichtung, die eine Perforierschneideinrichtung ist, aufweisen. Alternative Schneideinrichtungen sind ebenfalls denkbar.The device according to the invention can, according to a further advantageous embodiment, have a cutting device with a substantially circular cutting blade and / or a cutting device which is a perforating cutting device. Alternative cutting devices are also conceivable.

Gemäß einer weiteren besonders bevorzugten Ausführungsform betrifft die Erfindung ein Verfahren zum Schneiden und/oder Rillen von Werkstücken, bei dem die Rillwerkzeughälfte mit dem größeren Durchmesser zunächst mit dem Komprimieren bzw. Rillen des Werkstücks beginnt und anschließend beide Rillwerkzeughälften das Werkstück komprimieren. Auf diese Weise ist es besonders vorteilhaft möglich, das Werkstück schonend zu komprimieren, da die Rillwerkzeughälften nacheinander das Komprimieren initiieren.According to a further particularly preferred embodiment, the invention relates to a method for cutting and / or grooving workpieces, in which the grooved tool half with the larger diameter first begins with the compression or groove of the workpiece and then both grooved halves of the workpiece compress the workpiece. To this Way, it is particularly advantageous possible to gently compress the workpiece, as the Rillwerkzeughälften successively initiate the compression.

Kurze Beschreibun der ZeichnungenBrief description of the drawings

  • Fig. 1 zeigt eine perspektivische Ansicht einer Schneidund Rillvorrichtung, Fig. 1 shows a perspective view of a cutting and scoring device,
  • Fig. 2 zeigt eine erste Seitenansicht der Schneideinrichtung, Fig. 2 shows a first side view of the cutting device,
  • Fig. 3 zeigt eine relativ zu Fig. 2 um 90 ° gedrehte Schneideinrichtung und Fig. 3 shows a relative to Fig. 2 rotated by 90 ° cutting device and
  • Fig. 4 zeigt eine Seitenansicht einer Rill- und Schneideinrichtung mit ausgefahrener Schneideinrichtung. Fig. 4 shows a side view of a creasing and cutting device with extended cutting device.
Ausführliche Beschreibun einer bevorzugten Ausführunsform der ErfindungDetailed description of a preferred embodiment of the invention

Im Folgenden wird eine erfindungsgemäße Schneid- und Rillvorrichtung 10 anhand eines beispielhaften Ausführungsbeispiels beschrieben. Die Schneid- und Rillvorrichtung 10 wird bevorzugt bei der Bearbeitung von Karton, Kartonagen, Pappe, Wellpappe und dergleichen eingesetzt.In the following, a cutting and creasing device 10 according to the invention will be described with reference to an exemplary embodiment. The cutting and creasing device 10 is preferably used in the processing of cardboard, cardboard, cardboard, corrugated cardboard and the like.

Die Schneid- und Rillvorrichtung 10 wird dabei zum Schneiden und Rillen von Werkstücken 11 verwendet, wobei Rillen einen Vorgang bezeichnet, bei dem durch Aufbringen von Druck auf das Werkstück 11 eine Nut in selbiges eingebracht wird, um so eine "Rille" zu erzeugen. Entlang dieser Rille ist das Werkstück im Anschluss leichter faltbar bzw. falzbar.The cutting and scoring device 10 is used for cutting and scoring of workpieces 11, wherein grooves designates a process in which by applying pressure to the workpiece 11, a groove is inserted into the same, so as to produce a "groove". Along this groove, the workpiece is subsequently easier to fold or fold.

Die Schneid- und Rillvorrichtung 10 weist dazu zwei im Wesentlichen runde Rillwerkzeughälften 12 und 14 auf. DieThe cutting and creasing device 10 has for this purpose two substantially round creasing tool halves 12 and 14. The

Rillwerkzeughälften 12, 14 sind in Axialrichtung derart nebeneinander angeordnet, dass zwischen ihnen eine Schneideinrichtung 16 (diese wird weiter unten beschrieben) angeordnet werden kann.Groove cutter halves 12, 14 are arranged in the axial direction next to one another such that a cutting device 16 (which will be described below) can be arranged between them.

Beim Rillen eines zu bearbeitenden Werkstücks 11 mit der Schneid- und Rillvorrichtung 10 wird die Schneid- und Rillvorrichtung 10 auf dem zu rillenden Bereich des Werkstücks 11 aufgedrückt und anschließend wird in Rillrichtung eine Relativbewegung zwischen Werkstück 11 und Schneid- und Rillvorrichtung 10 erwirkt. Dabei kann sowohl das Werkstück 11 relativ zur Schneid- und Rillvorrichtung 10 als auch die Schneid- und Rillvorrichtung 10 relativ zum Werkstück verfahren werden.When a work piece 11 to be machined is scored with the cutting and scoring device 10, the cutting and scoring device 10 is pressed onto the region of the workpiece 11 to be scored, and then a relative movement between the workpiece 11 and the cutting and scoring device 10 is obtained in the scoring direction. In this case, both the workpiece 11 relative to the cutting and creasing device 10 and the cutting and creasing device 10 can be moved relative to the workpiece.

Die (angetriebene) Bewegung der beiden Rillwerkzeughälften 12, 14 wird durch die zumindest teilweise an dem Rollenhalter 18 angebrachten Rollen 20 geführt.The (driven) movement of the two scarf tool halves 12, 14 is guided by the rollers 20 mounted at least partly on the reel holder 18.

Die beiden Rillwerkzeughälften 12, 14 weisen einen unterschiedlichen Durchmesser auf, wobei der unterschiedliche Durchmesser zwischen 5-40 %, bevorzugt 10-20 %, besonders bevorzugt 15 %, betragen kann. Durch diesen Durchmesserunterschied ist es beim Rillen des Werkstücks 11 möglich zu vermeiden, dass bei hoher Bearbeitungsgeschwindigkeit die Komprimierungsrate beim Rillen zu hoch wird, so dass vermieden wird, dass das Werkstück 11 beim Rillen einreißt. Die beiden Rillwerkzeughälften 12, 14 sind dabei so angeordnet, dass beide Hälften 12, 14 zumindest in einem kleinen Abschnittsbereich plan auf dem Werkstück 11 aufliegen. In anderen Worten führt also zunächst die Rillwerkzeughälfte 12 mit dem größeren Durchmesser einen ersten Komprimierungsvorgang durch, der im weiteren Verlauf von der kleineren Rillwerkzeughälfte 14 unterstützt wird, bis beiden Rillwerkzeughälften an der Stelle der maximalen Komprimierung auf dem Werkstück aufliegen. Fig. 2 verdeutlicht diesen Zusammenhang.The two rill mold halves 12, 14 have a different diameter, wherein the different diameter between 5-40 % , preferably 10-20%, more preferably 15% may be. By this difference in diameter, it is possible to prevent the groove 11 from becoming too high when the workpiece 11 is being grooved, so that the workpiece 11 is prevented from tearing when the groove is being cut. The two rill mold halves 12, 14 are arranged so that both halves 12, 14 rest flat on the workpiece 11, at least in a small section area. In other words, first of all, the grooving tool half 12 with the larger diameter performs a first compressing operation, which in the further course is supported by the smaller grooving tool half 14, up to the two grooving tool halves at the location of the maximum compression rest on the workpiece. Fig. 2 clarifies this connection.

Wie in Fig, 3 zu erkennen ist, sind die beiden Rillwerkzeughälften 12, 14 im Querschnitt derart geeignet geformt, um eine geeignete Rillliniengeometrie herzustellen. Andere Formen sind ebenfalls denkbar.As in Fig. 3 can be seen, the two grooving halves 12, 14 are formed in cross section so suitable to produce a suitable score line geometry. Other shapes are also conceivable.

Ferner ist es mit der erfindungsgemäßen Schneid- und Rillvorrichtung 10 zusätzlich möglich, einen Schnitt in das Werkstück 11 mit der Schneideinrichtung 16 einzubringen. Die Schneideinrichtung 16 ist dabei so gestaltet, dass sie zwischen einer zurückgezogenen Position (siehe Fig. 1-3) und einer ausgefahrenen Position (siehe Fig. 4) bewegt werden kann. Beim Schneiden kann die Schneideinrichtung zusätzlich mit den beiden Rillwerkzeughälften 12, 14 zusammenwirken, indem die beiden Rillwerkzeughälften 12, 14 das Werkstück 11 beim Schneiden zusätzlich komprimieren, so dass eine geringere Schnitttiefe erforderlich ist. Das Verfahren der Schneideinrichtung 16 zwischen der Betriebposition, in der diese eine Schneidbearbeitung des Werkstücks 11 durchführt, und der Ruheposition (siehe Fig. 1-3), in der keine Schneidbearbeitung durchgeführt wird, kann mittels eines geeigneten Stellmotors oder auch manuell erfolgen.Furthermore, it is additionally possible with the cutting and creasing device 10 according to the invention to introduce a cut into the workpiece 11 with the cutting device 16. The cutting device 16 is designed so that it is between a retracted position (see Fig. 1-3 ) and an extended position (see Fig. 4 ) can be moved. During cutting, the cutting device can additionally interact with the two scarf tool halves 12, 14, in that the two scarf tool halves 12, 14 additionally compress the workpiece 11 during cutting, so that a smaller cutting depth is required. The process of the cutter 16 between the operating position in which it performs a cutting processing of the workpiece 11, and the rest position (see Fig. 1-3 ), in which no cutting machining is performed, can be done by means of a suitable servomotor or manually.

Die Schneideinrichtung 16 kann sowohl als eine Schneideinrichtung ausgeführt sein, die das Werkstück vollständig durchtrennt, als auch als eine Perforierschneideinrichtung, die das Werkstück lediglich teilweise durchtrennt. Auf diese Weise ist es möglich, das Werkstück, insbesondere die Kartons und dergleichen, lediglich teilweise anzuschneiden und anschließend weiterzubearbeiten.The cutting device 16 can be designed both as a cutting device which completely cuts through the workpiece, and as a perforating cutting device, which only partially cuts through the workpiece. In this way, it is possible to cut the workpiece, especially the cartons and the like, only partially and then further processed.

Claims (7)

Schneid- und Rillvorrichtung (10), insbesondere für Kartonagen, umfassend: zwei runde Rillwerkzeughälften (12; 14), und eine zwischen den beiden Rillwerkzeughälften (12; 14) angeordnete Schneideinrichtung (16), wobei die Schneideinrichtung (16) zwischen einer Ruheposition radial innerhalb zwischen den Rillwerkzeughälften (12; 14) und einer Betriebsposition radial außerhalb der Rillwerkzeughälften (12; 14) beweglich ist, dadurch gekennzeichnet, dass die zwei Rillwerkzeughälften (12; 14) unterschiedlich große Durchmesser aufweisen. Cutting and creasing device (10), in particular for cardboard articles, comprising: two round grooving halves (12, 14), and a cutting device (16) arranged between the two scarf tool halves (12, 14), wherein the cutter (16) is movable between a rest position radially inward between the grooving tool halves (12; 14) and an operative position radially outwardly of the grooving tool halves (12; 14), characterized in that the two grooving tool halves (12, 14) have different diameters. Schneid- und Rillvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die zwei Rillwerkzeughälften (12; 14) so angeordnet sind, dass zumindest in einem Abschnitt des Bearbeitungsbereichs der Abstand der zwei Rillwerkzeughälften (12; 14) zu einem zu bearbeitenden Werkstück (11) gleich ist.Cutting and creasing device according to claim 1, characterized in that the two grooving tool halves (12; 14) are arranged so that at least in a portion of the machining area the distance of the two grooving tool halves (12; 14) to a workpiece (11) to be machined is equal is. Schneid- und Rollvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Unterschied des Durchmessers der zwei Rillwerkzeughälften (12; 14) zwischen 5 und 40 %, bevorzugt zwischen 10 und 20 %, besonders bevorzugt ca. 15 % beträgt.Cutting and rolling device according to claim 1 or 2, characterized in that the difference in the diameter of the two rill mold halves (12; 14) is between 5 and 40%, preferably between 10 and 20%, particularly preferably about 15%. Schneid- und Rillvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Rillwerkzeughälften (12; 14) so angeordnet sind, dass die Rillwerkzeughälfte (12) mit dem größeren Durchmesser einen Rillvorgang zuerst einleitet.Cutting and creasing device according to one of the preceding claims, characterized in that the Groove halves (12; 14) are arranged so that the Groove tool half (12) with the larger diameter initiates a creasing process first. Schneid- und Rillvorrichtung nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass die Schneideinrichtung (16) ein im Wesentlichen kreisrundes Schneidmesser aufweist.Cutting and creasing device according to one of claims 1-4, characterized in that the cutting device (16) has a substantially circular cutting blade. Schneid- und Rillvorrichtung nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass die Schneideinrichtung (16) eine Perforierschneideinrichtung ist.Cutting and creasing device according to one of claims 1-4, characterized in that the cutting device (16) is a Perforierschneideinrichtung. Verfahren zum Schneiden und/oder Rillen von Werkstücken unter Verwendung einer Schneid- und Rillvorrichtung nach einem der Ansprüche 1-6, dadurch gekennzeichnet, dass beim Rillen die Rillwerkzeughälfte (12) mit dem größeren Durchmesser zunächst mit dem Komprimieren des Werkstücks beginnt und anschließend beide Rillwerkzeughälften (12; 14) das Werkstück (11) komprimieren.A method of cutting and / or grooving workpieces using a cutting and creasing device according to any of claims 1-6, characterized in that, during grooving, the larger diameter grooving tool half (12) first begins to compress the workpiece and then both grooving tool halves (12; 14) compress the workpiece (11).
EP11150372.8A 2011-01-07 2011-01-07 Cutting and grooving device and method for cutting and/or grooving Not-in-force EP2474397B1 (en)

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US13/344,933 US20120178605A1 (en) 2011-01-07 2012-01-06 Cutting and grooving device as well as method for cutting and/or grooving

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DE102012220233A1 (en) 2012-11-07 2014-05-08 Ligmatech Automationssysteme Gmbh Processing device, particularly for corrugated board, has round, particularly circular, groove tool, which is brought in processing point with workpiece
CN105531059A (en) * 2013-09-11 2016-04-27 普罗费雷特两合公司 Hobbing method and associated apparatus
EP3254840A1 (en) * 2016-06-09 2017-12-13 Neopost Technologies Creasing unit for creating fold lines in cardboard, blank forming apparatus comprising such creasing unit and method for creating fold lines in cardboard
US10752387B2 (en) 2018-01-31 2020-08-25 Quadient Technologies France Method and system for creating custom-sized cardboard blanks for packagings and method and system for automatically packaging shipment sets in boxes

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CN106003831B (en) * 2016-07-05 2018-02-13 宜昌金海科技股份有限公司 A kind of large-diameter circular inside of top cover sidelining automatic press mounting binding appts and application method

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WO2006091149A1 (en) 2005-02-25 2006-08-31 Niklas Pettersson A cutting-and creasing-wheel assembly, and a method for cutting and creasing a compressible material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012220233A1 (en) 2012-11-07 2014-05-08 Ligmatech Automationssysteme Gmbh Processing device, particularly for corrugated board, has round, particularly circular, groove tool, which is brought in processing point with workpiece
DE102012220233B4 (en) 2012-11-07 2019-03-28 Ligmatech Automationssysteme Gmbh Processing device with a rotatable tool receiver
CN105531059A (en) * 2013-09-11 2016-04-27 普罗费雷特两合公司 Hobbing method and associated apparatus
CN105531059B (en) * 2013-09-11 2019-06-11 普罗费雷特两合公司 Hobbing method and associated apparatus
EP3254840A1 (en) * 2016-06-09 2017-12-13 Neopost Technologies Creasing unit for creating fold lines in cardboard, blank forming apparatus comprising such creasing unit and method for creating fold lines in cardboard
US10821699B2 (en) 2016-06-09 2020-11-03 Quadient Technologies France Creasing unit for creating fold lines in cardboard, blank forming apparatus comprising such creasing unit and method for creating fold lines in cardboard
US10752387B2 (en) 2018-01-31 2020-08-25 Quadient Technologies France Method and system for creating custom-sized cardboard blanks for packagings and method and system for automatically packaging shipment sets in boxes

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