EP2623278B1 - Processing machine and method for flap cut-outs - Google Patents

Processing machine and method for flap cut-outs Download PDF

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Publication number
EP2623278B1
EP2623278B1 EP12153807.8A EP12153807A EP2623278B1 EP 2623278 B1 EP2623278 B1 EP 2623278B1 EP 12153807 A EP12153807 A EP 12153807A EP 2623278 B1 EP2623278 B1 EP 2623278B1
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EP
European Patent Office
Prior art keywords
tool
cutting
workpiece
pair
cutting device
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.)
Active
Application number
EP12153807.8A
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German (de)
French (fr)
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EP2623278A1 (en
Inventor
Rico Seifert
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
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Homag Automation GmbH
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Filing date
Publication date
Application filed by Homag Automation GmbH filed Critical Homag Automation GmbH
Priority to EP12153807.8A priority Critical patent/EP2623278B1/en
Publication of EP2623278A1 publication Critical patent/EP2623278A1/en
Application granted granted Critical
Publication of EP2623278B1 publication Critical patent/EP2623278B1/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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/14—Forming notches in marginal portion of work by 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or blanks
    • B31B50/22—Notching; Trimming edges of flaps
    • 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
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • 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
    • B26D1/04—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 linearly-movable cutting member
    • B26D1/06—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 linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/085—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type 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
    • 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
    • B26D1/22—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 coacting with a movable member, e.g. a roller
    • B26D1/225—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 coacting with a movable member, e.g. a roller 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
    • 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
    • B26D1/24—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 coacting with another disc cutter
    • B26D1/245—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 coacting with another 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
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/2642—Means for adjusting the position of the cutting member for slotting cutters
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0022—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed made from tubular webs or blanks, including by tube or bottom forming operations
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or blanks

Definitions

  • the present invention relates to a processing machine and to a method by which workpieces, for example packaging material made of cardboard or similar materials, can be processed.
  • Such processing machines such as board cutting machines, equipped with longitudinal and transverse tools.
  • longitudinal and transverse tools With these longitudinal and transverse tools blanks of variable blank type and dimensions with a lot size ⁇ 1 can be produced.
  • such machines can not produce Laschenok nicks, in which a piece of the carton blank is cut out flat. It is therefore state of the art to produce simple cuts in the packaging material instead of the mentioned tabs.
  • tab clearances improve process reliability in the case of further mechanical processing of the blanks, for example with so-called carton erectors.
  • carton erectors improve process reliability in the case of further mechanical processing of the blanks, for example with so-called carton erectors.
  • the folded out of the blank package is visually appealing.
  • punching tools are used in the prior art. Such punches are specially manufactured for specific dimensions and types of packaging material to be processed, and are relatively expensive. Furthermore, it results from the use of stamping tools the disadvantage that these specify the arrangement and geometry of the Laschenoknnitte. As a result, such devices are not flexible to new requirements adjustable.
  • the aim of the present invention is to provide a processing machine and a method by means of which, among other things, tab clearances can be realized in a more flexible and cost-effective manner.
  • the first cutting device is combined with a transverse tool, and the second cutting device with a longitudinal tool.
  • the material of the workpieces may comprise or consist of cardboard.
  • the material is not necessarily on a paperboard and / or paper material limited, but in principle relates to any foldable material into which a tab-free cut can be introduced.
  • the present invention relates to a processing machine according to claim 1.
  • a cutting processing tab free cutting
  • this processing machine it is possible with this processing machine to produce packaging in small batch production or batch size ⁇ 1 cost.
  • these can be introduced without tool change and additional costs during the production of the package blank, regardless of the type of packaging and its size. Since the cutting devices for producing a tab clearance can be delivered on demand, packaging blanks can also be produced without tab clearances. Accordingly, the present machine has a very high flexibility.
  • the cutting knife pair has two circular cutting blades arranged in parallel in the second direction, which are preferably guided in a common axis extending in the second direction.
  • a pressure roller may be provided, which is preferably guided with at least one of the cutting blade of the cutting blade pair on a common axis.
  • the pressure roller is used to hold down the workpiece during cutting with the pair of cutting blades. In this way, clean longitudinal edges of the Laschenoknitts be prepared. Furthermore, it is ensured that no slippage occurs between the workpiece and a guide and / or conveying device (eg conveying roller) provided underneath the workpiece.
  • the pressure rollers and the pair of cutting blades of the longitudinal tools are provided in mirror image in the second direction.
  • the pressure rollers have away from each other.
  • the cutting knife pairs of the two second cutting devices can be guided closer to each other, and in this way closely adjacent Laschenok nicks are generated.
  • the first cutting device with the punching knife is attached to the transverse tool
  • the second cutting device can be attached to the cutting tool pair with the longitudinal tool.
  • the cross tool / longitudinal tool can be shared by the first and second cutting device. This relates in particular to the positioning of the punching blade of the first cutting device and the positioning of the cutting blade pair of the second cutting device.
  • the first cutting device with the punching knife can perform a machining on the workpiece on a certain line, which is also used by the transverse tool for cutting, grooves and / or perforations.
  • the second cutting device may also perform machining along a line that is also used by the first longitudinal tool for cutting, creasing and / or perforating.
  • the cutting blade pair of the second cutting device can extend substantially in a processing line with the tool of the longitudinal tool. This means, for example, that the cutting blades of the cutting knife pair mirrored to Machining line of the tool of the longitudinal tool are aligned. Also, one of the blades could be along the processing line or close to it while the other is aligned parallel to it.
  • Said first direction may be a passage direction
  • the first cutting device with the punching knife may be provided in the first direction in front of the second cutting device with the cutting knife pair. Accordingly, it is possible to first perform the machining with the first cutting device, in particular to introduce a cut in the workpiece. Subsequently, two further cuts are made in the workpiece with the pair of cutting blades of the second cutting device, which are tuned with the length of the introduced by the punching knife section.
  • the processing machine may comprise a conveyor roller, with which the workpiece is moved relative to the transverse tool, the longitudinal tool and the first and second cutting device. This arrangement allows rapid processing of workpieces.
  • two longitudinal tools and two second cutting devices are provided as an assembly.
  • the two longitudinal tools and the two second cutting devices can be provided at defined positions, which usually define a distance of tabs.
  • the first cutting device with the Punching knife is attached to a cross tool so that the punch blade can perform a machining substantially on a processing line of the tool of the cross tool. Accordingly, a common movement of the combined with the cross tool first cutting device can be used for a machining.
  • the second cutting device is mounted with the cutting blade pair on the longitudinal tool so that the cutting blade pair can perform a machining in the vicinity of a machining line of the tool of the corresponding longitudinal tool.
  • the cutting blade pair may perform cutting processing in accordance with the movement of the workpiece so that the introduced cuts begin or end at the cut made by the punching tool. By this vote, a visually perfect lash free cut is generated.
  • the punching knife of the first cutter is extended for inserting the cut while the cross tool is machining. In this way, not only a common processing line is used, but both operations can be performed without reducing the speed of movement of the transverse tool and thus the first cutting device combined therewith.
  • FIG. 1 shows a perspective view of a preferred embodiment of the processing machine according to the invention.
  • a transverse tool 1 is provided, which is used for cutting, creasing and / or perforating a workpiece W in a direction substantially perpendicular to the direction of passage (Y-direction).
  • the passage direction (X-direction) is in FIG. 1 indicated by an arrow.
  • a first cutting device 2 is provided, which will be explained in detail later.
  • the processing machine comprises a plurality of longitudinal tools 20A-20F, which are arranged side by side in the Y direction.
  • the longitudinal tools 20A, 20B and 20C, 20D and 20E, 20F respectively form individual assemblies. All the longitudinal tools 20A-20F are independently adjustable in the Y direction, and can cut, groove or perforate a workpiece W in the direction of travel.
  • a second cutter 30A-30F is mounted on each of the longitudinal tools 20A-20F.
  • the first cutter 2 and the second cutter 30A-30F interact with each other to form tab clearances on the workpiece W.
  • the first cutting device 2 and a second cutting device is used to produce a Laschenok cut.
  • six second cutting devices 30A-30F shown also have only one second cutting device.
  • a plurality of conveyor rollers 10-13 are provided, one or more of which can be driven. Between the first conveying roller 10 and the second conveying roller 11 in the conveying direction, a supporting element 11 is provided such that it extends below the transverse tool 1 in the Y direction.
  • the processing of a cardboard packaging material can take place as follows: With the transverse tool 1, the workpiece W is cut transversely to the direction of passage along the leading edge Q4 and the trailing edge Q1. Furthermore, the transverse tool 1 is set up to introduce a perforation or a groove into the workpiece along the transverse fold lines Q2, Q3. For this purpose, the workpiece is fixed, and the transverse tool 1 moves along the Y-direction, thereby executing the respective processing.
  • the longitudinal tools 20A-20F perform machining in the direction of travel (X direction).
  • the outer longitudinal tools 20A, 20F cut the workpiece along the outer edges L1, L6.
  • the remaining longitudinal tools 20B-20E introduce a perforation or a groove into the workpiece W along the lines L2-L5.
  • the cross tool 1 moves during machining, while the workpiece W does not perform any movement in the direction of passage.
  • the processing along the lines L1-L6 by the longitudinal tools 20A-20F takes place by a movement of the workpiece W in the direction of passage.
  • the attached to one side of the cross tool 1 first cutting device 2 comprises an actuating cylinder 3, which can move a carriage 4 in the Z direction.
  • the carriage 4 is guided along guide pins 5 in the Z direction.
  • the guide pins 5 extend from a horizontal element 6.
  • a punch blade 7 having two blades is mounted such that a tip of the punch blade 7 extends in the Z direction.
  • the punching knife 7 is partially in or above an opening 6a of the horizontal element 6.
  • the carriage 4 is moved in the Z direction, and with this the punching knife 7.
  • the punching knife 7 passes through The opening 6a in an area below the horizontal member 6, and can interact with a workpiece W in this way.
  • the second cutting device 30A of the device according to the invention is explained in detail.
  • the second cutter 30A includes a pair of circular blades having two blades 31, 32 spaced apart in the X-direction. On the axis 33 of the circular blade pair 31, 32, a pressure roller 34 is also provided. The common axis 33 of the pressure roller 34 and the circular blade pair 31, 32 is mounted on a support member 35. The support member 35 is pivotable about an axis 36a with a mounting portion 36th connected. The attachment portion 36, in turn, is fixed to one side of the longitudinal tool 20A.
  • the circular blade pair 31, 32 and the pressure roller 34 can be issued by an operation of a Z-directional cylinder 37, which is connected via an axis 38 hingedly connected to the support member 35. Furthermore, the second cutting device 30A comprises a second cylinder 39, with which an adjustment of this tool can be made.
  • the workpiece W is placed in a certain position in relation to the cross tool 1 and the first cutter 2.
  • the cross tool 1 moves in the Y direction, and performs the perforation or grooving of the workpiece W along the line Q3 in this movement.
  • the punching knife 7 of the first cutting device 2 is delivered in the Z direction in such a way that it penetrates into the workpiece W in accordance with the intended width of the tab free-cutting. This processing can be performed without stopping the cross tool 1.
  • the workpiece W is moved in the passing direction (X direction) relative to the longitudinal tools 20A-20F.
  • the longitudinal tools 20A-20F execute the respective machining modes along the lines L1-L6.
  • the second cutting device on a particular longitudinal tool which is intended for the preparation of a tab clearance, is in coordination with the movement of a workpiece W operated, so that the circular blade pair 31, 32 penetrates into the workpiece, and in accordance with the conveying movement of the workpiece W is delivered according to the intended length of the Laschenokites.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Gebiet der ErfindungField of the invention

Die vorliegende Erfindung betrifft eine Bearbeitungsmaschine sowie ein Verfahren, mit der bzw. dem Werkstücke, beispielsweise Verpackungsmaterial aus Karton oder ähnlichen Materialien, bearbeitet werden können.The present invention relates to a processing machine and to a method by which workpieces, for example packaging material made of cardboard or similar materials, can be processed.

Stand der TechnikState of the art

Üblicherweise sind solche Bearbeitungsmaschinen, beispielsweise Kartonschneidmaschinen, mit Längs- und Querwerkzeugen ausgerüstet. Mit diesen Längs- und Querwerkzeugen können Zuschnitte mit veränderlichem Zuschnitttyp und Abmessungen mit einer Losgröße ≥ 1 hergestellt werden. Solche Maschinen können jedoch keine Laschenfreischnitte erzeugen, bei denen ein Stück des Kartonzuschnitts flächig ausgeschnitten wird. Deshalb ist es Stand der Technik, statt der genannten Laschenfreischnitte einfache Einschnitte im Verpackungsmaterial herzustellen.Usually, such processing machines, such as board cutting machines, equipped with longitudinal and transverse tools. With these longitudinal and transverse tools blanks of variable blank type and dimensions with a lot size ≥ 1 can be produced. However, such machines can not produce Laschenfrei nicks, in which a piece of the carton blank is cut out flat. It is therefore state of the art to produce simple cuts in the packaging material instead of the mentioned tabs.

Laschenfreischnitte verbessern allerdings zum einen die Prozesssicherheit bei der maschinellen Weiterverarbeitung der Zuschnitte, beispielsweise mit sogenannten Kartonaufrichtern. Zum anderen wird das aus dem Zuschnitt gefaltete Paket optisch ansprechender.On the one hand, however, tab clearances improve process reliability in the case of further mechanical processing of the blanks, for example with so-called carton erectors. On the other hand, the folded out of the blank package is visually appealing.

Zur Erzeugung von Laschenfreischnitten werden im Stand der Technik Stanzwerkzeuge eingesetzt. Solche Stanzwerkzeuge werden für bestimmte Abmessungen und Typen des zu bearbeitenden Verpackungsmaterials speziell hergestellt, und sind vergleichsweise kostenintensiv. Ferner ergibt sich aus der Verwendung von Stanzwerkzeugen der Nachteil, dass diese die Anordnung und Geometrie der Laschenfreischnitte vorgeben. Dadurch sind derartige Vorrichtungen nicht flexibel auf neue Anforderungen einstellbar.In order to produce tab-free cuts, punching tools are used in the prior art. Such punches are specially manufactured for specific dimensions and types of packaging material to be processed, and are relatively expensive. Furthermore, it results from the use of stamping tools the disadvantage that these specify the arrangement and geometry of the Laschenfreinnitte. As a result, such devices are not flexible to new requirements adjustable.

Als Stand der Technik ist ferner die GB 2 365 379 A bekannt, die eine Bearbeitungsmaschine nach dem Oberbegriff des unabhängigen Anspruchs 1 offenbart. Als weiterer Stand der Technik ist die US 3,308,723 A1 bekannt, die eine Vorrichtung zum Bearbeiten von Kartonmaterial offenbart.As prior art is also the GB 2 365 379 A known, which discloses a processing machine according to the preamble of the independent claim 1. As a further prior art is the US 3,308,723 A1 which discloses an apparatus for processing paperboard material.

Gegenstand der ErfindungSubject of the invention

Ziel der vorliegenden Erfindung ist es, eine Bearbeitungsmaschine sowie ein Verfahren bereitzustellen, mit der bzw. dem unter anderem Laschenfreischnitte flexibler und kostengünstiger realisiert werden können.The aim of the present invention is to provide a processing machine and a method by means of which, among other things, tab clearances can be realized in a more flexible and cost-effective manner.

Dieses Ziel wird durch eine Bearbeitungsmaschine gemäß Anspruch 1 sowie ein Verfahren gemäß Anspruch 9 erreicht. Bevorzugte Ausführungsformen sind in den abhängigen Ansprüchen aufgeführt.This object is achieved by a processing machine according to claim 1 and a method according to claim 9. Preferred embodiments are listed in the dependent claims.

Dabei ist es Kerngedanke der vorliegenden Erfindung, innerhalb einer Bearbeitungsmaschine zur Bearbeitung von Werkstücken (W), insbesondere Kartonzuschnitten, eine erste und zweite Schneidvorrichtung vorzusehen, mit denen eine Endkante und die Längskanten der Laschenfreischnitte ohne zeitliche Verzögerung realisiert werden können. Die erste Schneidvorrichtung wird dabei mit einem Querwerkzeug kombiniert, und die zweite Schneidvorrichtung mit einem Längswerkzeug.It is the core idea of the present invention to provide within a processing machine for processing workpieces (W), in particular carton blanks, a first and second cutting device with which an end edge and the longitudinal edges of the Laschenfreischnitte can be realized without delay. The first cutting device is combined with a transverse tool, and the second cutting device with a longitudinal tool.

"Kombiniert" bedeutet im Zusammenhang mit der vorliegenden Anmeldung "angebracht", "befestigt", "integriert" oder "zusammenwirkend". Rein beispielhaft zeigt eine später beschriebene Ausführungsform, dass die erste Schneidvorrichtung seitlich an einem Querwerkzeug befestigt ist, während die zweite Schneidvorrichtung an einer Seite eines Längswerkzeugs befestigt ist."Combined" in the context of the present application means "attached", "attached", "integrated" or "Cooperatively". By way of example only, an embodiment described later shows that the first cutter is attached laterally to a cross tool while the second cutter is attached to one side of a longitudinal tool.

Das Material der Werkstücke kann Karton aufweisen oder aus diesem bestehen. Allerdings ist das Material nicht notwendigerweise auf ein Karton- und/oder Papiermaterial beschränkt, sondern betrifft prinzipiell jedes faltbare Material, in das ein Laschenfreischnitt eingebracht werden kann.The material of the workpieces may comprise or consist of cardboard. However, the material is not necessarily on a paperboard and / or paper material limited, but in principle relates to any foldable material into which a tab-free cut can be introduced.

Insbesondere betrifft die vorliegende Erfindung eine Bearbeitungsmaschine gemäß Anspruch 1. Mit dieser Vorrichtung kann eine Schneidbearbeitung (Laschenfreischnitt) äußerst kostengünstig und zeiteffizient durchgeführt werden. Ferner ist es mit dieser Bearbeitungsmaschine möglich, Verpackungen auch in Kleinserienfertigung bzw. Losgröße ≥ 1 kostengünstig herzustellen. Bei der Erzeugung der Laschenfreischnitte in der erfindungsgemäßen Bearbeitungsmaschine können diese unabhängig vom Verpackungsartentyp und dessen Größe ohne Werkzeugwechsel und zusätzliche Kosten während der Erzeugung des Verpackungszuschnitts eingebracht werden. Da die Schneidvorrichtungen zur Herstellung eines Laschenfreischnitts bei Bedarf zustellbar sind, können auch Verpackungszuschnitte ohne Laschenfreischnitte erzeugt werden. Demnach weist die vorliegende Bearbeitungsmaschine eine sehr hohe Flexibilität auf.In particular, the present invention relates to a processing machine according to claim 1. With this device, a cutting processing (tab free cutting) can be carried out extremely cost effective and time efficient. Furthermore, it is possible with this processing machine to produce packaging in small batch production or batch size ≥ 1 cost. When producing the tab openings in the processing machine according to the invention, these can be introduced without tool change and additional costs during the production of the package blank, regardless of the type of packaging and its size. Since the cutting devices for producing a tab clearance can be delivered on demand, packaging blanks can also be produced without tab clearances. Accordingly, the present machine has a very high flexibility.

In einer bevorzugten Ausführungsform weist das Schneidmesserpaar zwei in der zweiten Richtung parallel angeordnete, kreisförmige Schneidmesser auf, die bevorzugt auf einer sich in der zweiten Richtung erstreckenden, gemeinsamen Achse geführt werden. Durch diese Schneidmesser können die Längskanten der Laschenfreischnitte hergestellt werden, wobei der Abstand zwischen den Schneidmessern die Breite des Laschenfreischnitts bestimmt.In a preferred embodiment, the cutting knife pair has two circular cutting blades arranged in parallel in the second direction, which are preferably guided in a common axis extending in the second direction. By means of these cutting knives, the longitudinal edges of the tab clearances can be produced, wherein the distance between the cutting knives determines the width of the tab free-cutting.

Ferner kann parallel zum Schneidmesserpaar in der zweiten Richtung eine Andrückrolle vorgesehen sein, die bevorzugt mit zumindest einem der Schneidmesser des Schneidmesserpaars auf einer gemeinsamen Achse geführt wird. Die Andrückrolle wird dabei dazu verwendet, das Werkstück während der Schneidbearbeitung mit dem Schneidmesserpaar niederzuhalten. Auf diese Weise können saubere Längskanten des Laschenfreischnitts hergestellt werden. Ferner wird sichergestellt, dass kein Schlupf zwischen dem Werkstück und einer unterhalb des Werkstücks vorgesehen Führungs- und/oder Fördereinrichtung (bspw. Förderwalze) auftritt.Furthermore, parallel to the pair of cutting blades in the second direction, a pressure roller may be provided, which is preferably guided with at least one of the cutting blade of the cutting blade pair on a common axis. The pressure roller is used to hold down the workpiece during cutting with the pair of cutting blades. In this way, clean longitudinal edges of the Laschenfreinnitts be prepared. Furthermore, it is ensured that no slippage occurs between the workpiece and a guide and / or conveying device (eg conveying roller) provided underneath the workpiece.

Sind in einer Ausführungsform zwei Längswerkzeuge mit jeweils einer zweiten Schneidvorrichtung vorhanden, so sind die Andrückrollen und das Schneidmesser-Paar der Längswerkzeuge in der zweiten Richtung spiegelbildlich vorgesehen. Mit anderen Worten weisen die Andrückrollen voneinander weg. Auf diese Weise können die Schneidmesser-Paare der beiden zweiten Schneidvorrichtungen enger zueinander geführt werden, und auf diese Weise eng aneinander angrenzende Laschenfreischnitte erzeugt werden.If, in one embodiment, there are two longitudinal tools, each with a second cutting device, then the pressure rollers and the pair of cutting blades of the longitudinal tools are provided in mirror image in the second direction. In other words, the pressure rollers have away from each other. In this way, the cutting knife pairs of the two second cutting devices can be guided closer to each other, and in this way closely adjacent Laschenfrei nicks are generated.

In einer Ausführungsform ist die erste Schneidvorrichtung mit dem Stanzmesser am Querwerkzeug angebracht, und in einer weiteren Ausführungsform kann die zweite Schneidvorrichtung mit dem Schneidmesserpaar am Längswerkzeug angebracht sein. In beiden Fällen, die in Kombination miteinander auftreten können, kann das Querwerkzeug/Längswerkzeug von der ersten bzw. zweiten Schneidvorrichtung mitgenutzt werden. Dies betrifft insbesondere die Positionierung des Stanzmessers der ersten Schneidvorrichtung sowie die Positionierung des Schneidmesserpaars der zweiten Schneidvorrichtung. Mit anderen Worten kann die erste Schneidvorrichtung mit dem Stanzmesser eine Bearbeitung am Werkstück auf einer bestimmten Linie ausführen, die auch vom Querwerkzeug zum Schneiden, Rillen und/oder Perforieren genutzt wird. Die zweite Schneidvorrichtung kann ebenso eine Bearbeitung entlang einer Linie ausführen, die auch vom ersten Längswerkzeug zum Schneiden, Rillen und/oder Perforieren genutzt wird. Dabei kann sich das Schneidmesser-Paar der zweiten Schneidvorrichtung im Wesentlichen in einer Bearbeitungslinie mit dem Werkzeug des Längswerkzeugs erstrecken. Das bedeutet beispielsweise, dass die Schneidmesser des Schneidmesserpaares spiegelbildlich zur Bearbeitungslinie des Werkzeuges des Längswerkzeugs ausgerichtet sind. Auch könnte sich eines der Schneidmesser entlang der Bearbeitungslinie oder nahe hierzu verlaufen, während das andere parallel zu dieser ausgerichtet ist.In one embodiment, the first cutting device with the punching knife is attached to the transverse tool, and in another embodiment, the second cutting device can be attached to the cutting tool pair with the longitudinal tool. In both cases, which may occur in combination with each other, the cross tool / longitudinal tool can be shared by the first and second cutting device. This relates in particular to the positioning of the punching blade of the first cutting device and the positioning of the cutting blade pair of the second cutting device. In other words, the first cutting device with the punching knife can perform a machining on the workpiece on a certain line, which is also used by the transverse tool for cutting, grooves and / or perforations. The second cutting device may also perform machining along a line that is also used by the first longitudinal tool for cutting, creasing and / or perforating. In this case, the cutting blade pair of the second cutting device can extend substantially in a processing line with the tool of the longitudinal tool. This means, for example, that the cutting blades of the cutting knife pair mirrored to Machining line of the tool of the longitudinal tool are aligned. Also, one of the blades could be along the processing line or close to it while the other is aligned parallel to it.

Auch ist es alternativ hierzu möglich, das Schneidmesserpaar von der Bearbeitungslinie zu verschieben. Dies kann in der Art und Dicke des zu bearbeitenden Werkstücks begründet sein, und vor Beginn der Bearbeitung mit dem spezifischen Werkstück abgestimmt werden.Also, it is alternatively possible to move the pair of cutting blades from the processing line. This can be due to the nature and thickness of the workpiece to be machined, and be matched with the specific workpiece before starting the processing.

Die genannte erste Richtung kann eine Durchlaufrichtung sein, und die erste Schneidvorrichtung mit dem Stanzmesser kann in der ersten Richtung vor der zweiten Schneidvorrichtung mit dem Schneidmesserpaar vorgesehen sein. Demnach ist es möglich, zuerst die Bearbeitung mit der ersten Schneidvorrichtung durchzuführen, insbesondere einen Schnitt in das Werkstück einzubringen. Nachfolgend werden mit dem Schneidmesserpaar der zweiten Schneidvorrichtung zwei weitere Schnitte in das Werkstück eingebracht, die mit der Länge des vom Stanzmesser eingebrachten Schnitts abgestimmt sind.Said first direction may be a passage direction, and the first cutting device with the punching knife may be provided in the first direction in front of the second cutting device with the cutting knife pair. Accordingly, it is possible to first perform the machining with the first cutting device, in particular to introduce a cut in the workpiece. Subsequently, two further cuts are made in the workpiece with the pair of cutting blades of the second cutting device, which are tuned with the length of the introduced by the punching knife section.

Ferner kann die Bearbeitungsmaschine eine Förderwalze umfassen, mit der das Werkstück relativ zum Querwerkzeug, zum Längswerkzeug und zur ersten und zweiten Schneidvorrichtung bewegt wird. Diese Anordnung ermöglicht eine zügige Bearbeitung von Werkstücken.Furthermore, the processing machine may comprise a conveyor roller, with which the workpiece is moved relative to the transverse tool, the longitudinal tool and the first and second cutting device. This arrangement allows rapid processing of workpieces.

Ferner kann es vorgesehen sein, dass zwei Längswerkzeuge und zwei zweite Schneidvorrichtungen als eine Baugruppe vorgesehen sind. In dieser können die zwei Längswerkzeuge und die zwei zweiten Schneidvorrichtungen an definierten Positionen vorgesehen sein, die üblicherweise einen Abstand von Laschenfreischnitten definieren.Furthermore, it can be provided that two longitudinal tools and two second cutting devices are provided as an assembly. In this, the two longitudinal tools and the two second cutting devices can be provided at defined positions, which usually define a distance of tabs.

Bei dem erfindungsgemäßen Verfahren ist es bevorzugt vorgehen, dass die erste Schneidvorrichtung mit dem Stanzmesser an einem Querwerkzeug so angebracht ist, dass das Stanzmesser eine Bearbeitung im Wesentlichen an einer Bearbeitungslinie des Werkzeugs des Querwerkzeuges ausführen kann. Demnach kann eine gemeinsame Bewegung der mit dem Querwerkzeug kombinierten ersten Schneidvorrichtung für eine Bearbeitung genutzt werden. Gleiches gilt für den Fall, wenn die zweite Schneidvorrichtung mit dem Schneidmesser-Paar am Längswerkzeug so angebracht ist, dass das Schneidmesser-Paar eine Bearbeitung in der Umgebung einer Bearbeitungslinie des Werkzeugs des entsprechenden Längswerkzeuges ausführen kann.In the method according to the invention, it is preferable that the first cutting device with the Punching knife is attached to a cross tool so that the punch blade can perform a machining substantially on a processing line of the tool of the cross tool. Accordingly, a common movement of the combined with the cross tool first cutting device can be used for a machining. The same applies to the case when the second cutting device is mounted with the cutting blade pair on the longitudinal tool so that the cutting blade pair can perform a machining in the vicinity of a machining line of the tool of the corresponding longitudinal tool.

Ferner kann das Schneidmesser-Paar in Abstimmung mit der Bewegung des Werkstücks eine Schneidbearbeitung durchführen, so dass die eingebrachten Schnitte an dem durch das Stanzwerkzeug eingebrachten Schnitt beginnen oder enden. Durch diese Abstimmung wird ein optisch einwandfreier Laschenfreischnitt erzeugt.Further, the cutting blade pair may perform cutting processing in accordance with the movement of the workpiece so that the introduced cuts begin or end at the cut made by the punching tool. By this vote, a visually perfect lash free cut is generated.

In einer Ausführungsform wird das Stanzmesser der ersten Schneidvorrichtung zum Einbringen des Einschnitts ausgefahren, während das Querwerkzeug eine Bearbeitung durchführt. Auf diese Weise wird nicht nur eine gemeinsame Bearbeitungslinie genutzt, sondern beide Bearbeitungen können ohne Verringerung der Bewegungsgeschwindigkeit des Querwerkzeuges und somit der hiermit kombinierten ersten Schneidvorrichtung durchgeführt werden.In one embodiment, the punching knife of the first cutter is extended for inserting the cut while the cross tool is machining. In this way, not only a common processing line is used, but both operations can be performed without reducing the speed of movement of the transverse tool and thus the first cutting device combined therewith.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Figur 1FIG. 1
zeigt eine perspektivische Ansicht einer bevorzugten Ausführungsform der erfindungsgemäßen Bearbeitungsmaschineshows a perspective view of a preferred embodiment of the processing machine according to the invention
Figur 2FIG. 2
zeigt eine Detailansicht von Laschenfreischnitten, wobei die zur Erzeugung eines Laschenfreischnitts verwendeten Werkzeuge beispielhaft dargestellt sindshows a detailed view of tab-free sections, wherein the tools used to produce a tab clearance are exemplified
Figur 3FIG. 3
zeigt eine Detailansicht des Querwerkzeuges gemäß Figur 1 shows a detailed view of the cross tool according to FIG. 1
Figur 4FIG. 4
zeigt eine Detailansicht eines der Längswerkzeuge gemäß Figur 1 shows a detailed view of one of the longitudinal tools according to FIG. 1
Detaillierte Beschreibung der bevorzugten AusführungsformDetailed Description of the Preferred Embodiment

Nachfolgend wird eine bevorzugte Ausführungsform der vorliegenden Erfindung im Detail beschrieben. Weitere im Zusammenhang mit dieser Ausführungsform erläuterte Modifikationen können jeweils miteinander kombiniert werden, um neue bevorzugte Ausführungsformen auszubilden.Hereinafter, a preferred embodiment of the present invention will be described in detail. Other modifications described in connection with this embodiment can each be combined with each other to form new preferred embodiments.

Figur 1 zeigt eine perspektivische Ansicht einer bevorzugten Ausführungsform der erfindungsgemäßen Bearbeitungsmaschine. In einem Abschnitt der gezeigten Vorrichtung ist ein Querwerkzeug 1 vorgesehen, das zum Schneiden, Rillen und/oder Perforieren eines Werkstücks W in einer zur Durchlaufrichtung im Wesentlichen senkrechten Richtung (Y-Richtung) eingesetzt wird. Die Durchlaufrichtung (X-Richtung) ist in Figur 1 mit einem Pfeil angedeutet. FIG. 1 shows a perspective view of a preferred embodiment of the processing machine according to the invention. In a section of the device shown, a transverse tool 1 is provided, which is used for cutting, creasing and / or perforating a workpiece W in a direction substantially perpendicular to the direction of passage (Y-direction). The passage direction (X-direction) is in FIG. 1 indicated by an arrow.

Am konventionellen Querwerkzeug 1 ist eine erste Schneidvorrichtung 2 vorgesehen, die später im Detail erläutert wird.On the conventional transverse tool 1, a first cutting device 2 is provided, which will be explained in detail later.

Weiter umfasst die Bearbeitungsmaschine mehrere Längswerkzeuge 20A-20F, die in Y-Richtung nebeneinander angeordnet sind. Hierbei bilden die Längswerkzeuge 20A, 20B bzw. 20C, 20D bzw. 20E, 20F jeweils einzelne Baugruppen aus. Alle Längswerkzeuge 20A-20F sind unabhängig voneinander in Y-Richtung verstellbar, und können ein Werkstück W in Durchlaufrichtung schneiden, rillen oder perforieren.Further, the processing machine comprises a plurality of longitudinal tools 20A-20F, which are arranged side by side in the Y direction. In this case, the longitudinal tools 20A, 20B and 20C, 20D and 20E, 20F respectively form individual assemblies. All the longitudinal tools 20A-20F are independently adjustable in the Y direction, and can cut, groove or perforate a workpiece W in the direction of travel.

An jedem der Längswerkzeuge 20A-20F ist eine zweite Schneidvorrichtung 30A-30F angebracht. Wie nachfolgend im Detail erläutert, interagieren die erste Schneidvorrichtung 2 und die zweite Schneidvorrichtung 30A-30F miteinander, um Laschenfreischnitte am Werkstück W auszubilden. Dabei wird zur Herstellung eines Laschenfreischnitts die erste Schneidvorrichtung 2 und eine zweite Schneidvorrichtung verwendet. Somit kann die Bearbeitungsmaschine statt der in Figur 1 gezeigten sechs zweiten Schneidvorrichtungen 30A-30F prinzipiell auch lediglich eine zweite Schneidvorrichtung aufweisen.On each of the longitudinal tools 20A-20F, a second cutter 30A-30F is mounted. As explained in detail below, the first cutter 2 and the second cutter 30A-30F interact with each other to form tab clearances on the workpiece W. In this case, the first cutting device 2 and a second cutting device is used to produce a Laschenfrei cut. Thus, the processing machine instead of in FIG. 1 In principle, six second cutting devices 30A-30F shown also have only one second cutting device.

In Z-Richtung unterhalb des Querwerkzeugs 1 und der Längswerkzeuge 20A-20F sind mehrere Förderwalzen 10-13 vorgesehen, von denen eine oder mehrere angetrieben sein kann/können. Zwischen der in Förderrichtung ersten Förderwalze 10 und der zweiten Förderwalze 11 ist ein Stützelement 11 derart vorgesehen, dass es sich unterhalb des Querwerkzeugs 1 in Y-Richtung erstreckt.In the Z-direction below the transverse tool 1 and the longitudinal tools 20A-20F a plurality of conveyor rollers 10-13 are provided, one or more of which can be driven. Between the first conveying roller 10 and the second conveying roller 11 in the conveying direction, a supporting element 11 is provided such that it extends below the transverse tool 1 in the Y direction.

Die Bearbeitung eines Kartonverpackungsmaterials kann wie folgt stattfinden: Mit dem Querwerkzeug 1 wird das Werkstück W quer zur Durchlaufrichtung entlang der Vorderkante Q4 und der Hinterkante Q1 zugeschnitten. Ferner ist das Querwerkzeug 1 dazu eingerichtet, entlang der quer verlaufenden Faltlinien Q2, Q3 eine Perforation oder eine Rille in das Werkstück einzubringen. Hierfür wird das Werkstück fixiert, und das Querwerkzeug 1 bewegt sich entlang der Y-Richtung und führt dabei die jeweilige Bearbeitung aus.The processing of a cardboard packaging material can take place as follows: With the transverse tool 1, the workpiece W is cut transversely to the direction of passage along the leading edge Q4 and the trailing edge Q1. Furthermore, the transverse tool 1 is set up to introduce a perforation or a groove into the workpiece along the transverse fold lines Q2, Q3. For this purpose, the workpiece is fixed, and the transverse tool 1 moves along the Y-direction, thereby executing the respective processing.

Die Längswerkzeuge 20A-20F führen eine Bearbeitung in Durchlaufrichtung (X-Richtung) aus. Hierbei beschneiden die äußeren Längswerkzeuge 20A, 20F das Werkstück entlang der Außenkanten L1, L6. Die übrigen Längswerkzeuge 20B-20E bringen entlang der Linien L2-L5 eine Perforation oder eine Rille in das Werkstück W ein.The longitudinal tools 20A-20F perform machining in the direction of travel (X direction). Here, the outer longitudinal tools 20A, 20F cut the workpiece along the outer edges L1, L6. The remaining longitudinal tools 20B-20E introduce a perforation or a groove into the workpiece W along the lines L2-L5.

Das Querwerkzeug 1 bewegt sich bei der Bearbeitung, während das Werkstück W keine Bewegung in Durchlaufrichtung durchführt. Die Bearbeitung entlang der Linien L1-L6 durch die Längswerkzeuge 20A-20F hingegen erfolgt durch eine Bewegung des Werkstücks W in Durchlaufrichtung.The cross tool 1 moves during machining, while the workpiece W does not perform any movement in the direction of passage. The processing along the lines L1-L6 by the longitudinal tools 20A-20F, however, takes place by a movement of the workpiece W in the direction of passage.

Die an einer Seite des Querwerkzeuges 1 angebrachte erste Schneidvorrichtung 2 umfasst einen Betätigungszylinder 3, der einen Schlitten 4 in Z-Richtung bewegen kann. Der Schlitten 4 wird entlang von Führungsstiften 5 in Z-Richtung geführt. Die Führungsstifte 5 erstrecken sich ausgehend von einem horizontalen Element 6.The attached to one side of the cross tool 1 first cutting device 2 comprises an actuating cylinder 3, which can move a carriage 4 in the Z direction. The carriage 4 is guided along guide pins 5 in the Z direction. The guide pins 5 extend from a horizontal element 6.

Am Schlitten 4 ist ein zwei Klingen aufweisendes Stanzmesser 7 derart angebracht, dass sich eine Spitze des Stanzmessers 7 in Z-Richtung erstreckt. In dem in Figur 3 im Detail dargestellten Zustand befindet sich das Stanzmesser 7 abschnittsweise in bzw. oberhalb einer Öffnung 6a des horizontalen Elements 6. Bei Betätigung des Zylinders 3 wird der Schlitten 4 in Z-Richtung verschoben, und mit diesem das Stanzmesser 7. Das Stanzmesser 7 gelangt dabei durch die Öffnung 6a in einen Bereich unterhalb des horizontalen Elements 6, und kann auf diese Weise mit einem Werkstück W interagieren.On the carriage 4, a punch blade 7 having two blades is mounted such that a tip of the punch blade 7 extends in the Z direction. In the in FIG. 3 in the state shown in detail, the punching knife 7 is partially in or above an opening 6a of the horizontal element 6. Upon actuation of the cylinder 3, the carriage 4 is moved in the Z direction, and with this the punching knife 7. The punching knife 7 passes through The opening 6a in an area below the horizontal member 6, and can interact with a workpiece W in this way.

Zur Erläuterung der zweiten Schneidvorrichtungen und deren Funktion wird die zweite Schneidvorrichtung 30A der erfindungsgemäßen Vorrichtung im Detail erläutert.To explain the second cutting devices and their function, the second cutting device 30A of the device according to the invention is explained in detail.

Die zweite Schneidvorrichtung 30A umfasst ein Rundmesserpaar, das zwei in X-Richtung voneinander beabstandete Schneiden 31, 32 aufweist. Auf der Achse 33 des Rundmesserpaares 31, 32 ist ferner eine Andrückrolle 34 vorgesehen. Die gemeinsame Achse 33 der Andrückrolle 34 und des Rundmesserpaares 31, 32 ist auf einem Trägerteil 35 gelagert. Das Trägerteil 35 ist über eine Achse 36a schwenkbar mit einem Anbringungsabschnitt 36 verbunden. Der Anbringungsabschnitt 36 wiederum ist an einer Seite des Längswerkzeugs 20A fixiert.The second cutter 30A includes a pair of circular blades having two blades 31, 32 spaced apart in the X-direction. On the axis 33 of the circular blade pair 31, 32, a pressure roller 34 is also provided. The common axis 33 of the pressure roller 34 and the circular blade pair 31, 32 is mounted on a support member 35. The support member 35 is pivotable about an axis 36a with a mounting portion 36th connected. The attachment portion 36, in turn, is fixed to one side of the longitudinal tool 20A.

Das Rundmesserpaar 31, 32 und die Andrückrolle 34 können durch eine Betätigung eines in Z-Richtung ausgerichteten Zylinders 37 ausgestellt werden, der über eine Achse 38 gelenkig mit dem Trägerteil 35 verbunden ist. Ferner umfasst die zweite Schneidvorrichtung 30A einen zweiten Zylinder 39, mit dem eine Justierung dieses Werkzeugs vorgenommen werden kann.The circular blade pair 31, 32 and the pressure roller 34 can be issued by an operation of a Z-directional cylinder 37, which is connected via an axis 38 hingedly connected to the support member 35. Furthermore, the second cutting device 30A comprises a second cylinder 39, with which an adjustment of this tool can be made.

Zur Herstellung eines Laschenfreischnitts wird wie in Figur 2 anschaulich dargestellt verfahren.To produce a tab clearance, as in FIG. 2 vividly illustrated procedure.

Bei den an der Vorderkante Q4 des Werkstücks W einzubringenden Laschenfreischnitten wird das Werkstück W in Relation zum Querwerkzeug 1 und der ersten Schneidvorrichtung 2 in einer bestimmte Position angeordnet. Das Querwerkzeug 1 bewegt sich in Y-Richtung, und führt bei dieser Bewegung das Perforieren bzw. Rillen des Werkstücks W entlang der Linie Q3 aus.In the tab cut-outs to be introduced at the leading edge Q4 of the workpiece W, the workpiece W is placed in a certain position in relation to the cross tool 1 and the first cutter 2. The cross tool 1 moves in the Y direction, and performs the perforation or grooving of the workpiece W along the line Q3 in this movement.

An den Positionen, an denen die Laschenfreischnitte vorgesehen werden sollen, wird das Stanzmesser 7 der ersten Schneidvorrichtung 2 in Z-Richtung derart zugestellt, dass es entsprechend der beabsichtigten Breite des Laschenfreischnitts in das Werkstück W eindringt. Diese Bearbeitung kann durchgeführt werden, ohne dass das Querwerkzeug 1 angehalten wird.At the positions at which the tab clearances are to be provided, the punching knife 7 of the first cutting device 2 is delivered in the Z direction in such a way that it penetrates into the workpiece W in accordance with the intended width of the tab free-cutting. This processing can be performed without stopping the cross tool 1.

Anschließend wird das Werkstück W in Durchlaufrichtung (X-Richtung) relativ zu den Längswerkzeugen 20A-20F bewegt. Die Längswerkzeuge 20A-20F führen entlang der Linien L1-L6 die jeweiligen Bearbeitungsarten aus. Die zweite Schneidvorrichtung an einem bestimmten Längswerkzeug, das für die Herstellung eines Laschenfreischnitts vorgesehen ist, wird in Abstimmung mit der Bewegung eines Werkstücks W betätigt, sodass das Rundmesserpaar 31, 32 in das Werkstück eindringt, und in Abstimmung mit der Förderbewegung des Werkstücks W entsprechend der beabsichtigten Länge des Laschenfreischnitts zugestellt bleibt.Subsequently, the workpiece W is moved in the passing direction (X direction) relative to the longitudinal tools 20A-20F. The longitudinal tools 20A-20F execute the respective machining modes along the lines L1-L6. The second cutting device on a particular longitudinal tool, which is intended for the preparation of a tab clearance, is in coordination with the movement of a workpiece W operated, so that the circular blade pair 31, 32 penetrates into the workpiece, and in accordance with the conveying movement of the workpiece W is delivered according to the intended length of the Laschenfreischnitts.

Da die Schnitte des Stanzmessers 7 und des Rundmesserpaars 31, 32 aufeinander abgestimmt sind, fällt nach Beendigung der beiden Schnitte das im Bereich des Laschenfreischnitts freigeschnittene Material des Werkstücks W aus diesem heraus.Since the sections of the punching blade 7 and the circular blade pair 31, 32 are matched to each other, after completion of the two cuts, the material of the workpiece W cut free in the region of the tab clearance drops out of this.

Claims (13)

  1. Processing machine for processing workpieces (W), in particular cardboard blanks, having:
    at least one longitudinal tool (20A-20F) for cutting, grooving and/or perforating the workpiece (W) in a first direction (X),
    at least one transverse tool (1) for cutting, grooving and/or perforating the workpiece (W) in a direction (Y) substantially perpendicular to the first direction, which transverse tool (1) is movable in the second direction (Y), wherein
    a first cutting device (2) combined with the transverse tool (1) and having a punching blade (7) is provided for making a cut running in the second direction (Y) in the workpiece (W), characterised in that
    a second cutting device (30A-30F) combined with the longitudinal tool (20A-20F) and having a pair of cutting blades (31, 32) is provided for making cuts running in the first direction (X) in the workpiece (W).
  2. Processing machine according to claim 1, characterised in that the pair of cutting blades (31, 32) has two circular cutting blades arranged in parallel in the second direction (Y), which are preferably guided on a common shaft (33) extending in the second direction (Y).
  3. Processing machine according to claim 2, characterised in that parallel to the pair of cutting blades (31, 32) in the second direction (Y) is provided a pressure roller (34) which is preferably guided with at least one of the cutting blades of the pair of cutting blades (31, 32) on a common shaft (33).
  4. Processing machine according to any of the preceding claims, characterised in that the first cutting device (2) with the punching blade (7) is combined with the transverse tool (1) in such a way or mounted on the transverse tool (1) in such a way that the punching blade (7) extends substantially in a processing line of the tool of the transverse tool (1).
  5. Processing machine according to any of the preceding claims, characterised in that the second cutting device (30A-30F) with the pair of cutting blades (31, 32) is combined with the longitudinal tool (20A-20F) in such a way or mounted on the longitudinal tool (20A-20F) in such a way that the pair of cutting blades (31, 32) extends substantially in a processing line with the tool of the longitudinal tool (20A-20F).
  6. Processing machine according to any of the preceding claims, characterised in that the second cutting device (30A-30F) with the pair of cutting blades (31, 32) is mounted on a side of the longitudinal tool (20A-20F) pointing away from the transverse tool (1).
  7. Processing machine according to any of the preceding claims, characterised in that the first direction (X) is a direction of throughput, and the first cutting device (2) having a punching blade (7) is provided in the first direction (X) in front of the second cutting device (30A-30F) with a pair of cutting blades (31, 32).
  8. Processing machine according to any of the preceding claims, characterised in that the processing machine comprises at least one conveying roller with which the workpiece (W) is moved relative to the transverse tool (1), to the longitudinal tool (20A-20F) and to the first and second cutting devices.
  9. Method for making free strip cuts in workpieces (W), having the steps of:
    making a cut in the workpiece (W) with a first cutting device (2) having a punching blade (7), which first cutting device (2) is combined with a transverse tool (1) for cutting, grooving and/or perforating the workpiece (W) in a second direction (Y),
    moving the workpiece while making parallel longitudinal cuts in the workpiece with a second cutting device (30A-30F) with a pair of cutting blades (31, 32), which second cutting device (30A-30F) is combined with a longitudinal tool for cutting, grooving and/or perforating the workpiece (W) in a first direction (X),
    wherein the length of the cut of the punching blade (7) of the first cutting device (2) substantially corresponds to the distance between the cutting blades of the pair of cutting blades (31, 32).
  10. Method according to claim 9, in which the first cutting device (2) with the punching blade (7) is mounted on a transverse tool (1) in such a way that the punching blade (7) can perform processing substantially on a processing line of the tool of the transverse tool(1).
  11. Method according to claim 9 or 10, in which the second cutting device (30A-30F) with the pair of cutting blades (31, 32) is mounted on the longitudinal tool (20A-20F) in such a way that the pair of cutting blades (31, 32) can perform processing in the environment of a processing line of the tool of the corresponding longitudinal tool (1).
  12. Method according to any of claims 9-11, in which the pair of cutting blades (31, 32) in coordination with the movement of the workpiece (W) performs cutting, so that the cuts made begin or end at the cut made by the punching tool (7).
  13. Method according to any of claims 9-12, in which the punching blade (7) of the first cutting device (2) is extended out to make the cut, while the transverse tool (1) performs processing.
EP12153807.8A 2012-02-03 2012-02-03 Processing machine and method for flap cut-outs Active EP2623278B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12153807.8A EP2623278B1 (en) 2012-02-03 2012-02-03 Processing machine and method for flap cut-outs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12153807.8A EP2623278B1 (en) 2012-02-03 2012-02-03 Processing machine and method for flap cut-outs

Publications (2)

Publication Number Publication Date
EP2623278A1 EP2623278A1 (en) 2013-08-07
EP2623278B1 true EP2623278B1 (en) 2015-11-25

Family

ID=45562161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12153807.8A Active EP2623278B1 (en) 2012-02-03 2012-02-03 Processing machine and method for flap cut-outs

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EP (1) EP2623278B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666944A (en) * 2016-01-27 2016-06-15 蚌埠市众邦包装厂 Paperboard cutting system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666939B (en) * 2016-01-27 2018-05-04 蚌埠市众邦包装厂 A kind of device for being used to produce carton
USD986317S1 (en) * 2020-01-10 2023-05-16 Cricut, Inc. Cutting machine tool clamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308723A (en) * 1964-08-06 1967-03-14 Jr Charles J Bergh Apparatus for slitting and scoring carton blanks
GB2365379B (en) * 1997-11-07 2002-04-10 Griffin Automation Inc Method of forming slotted box blanks
AT413348B (en) * 2002-05-08 2006-02-15 Reinisch Erwin DEVICE FOR CROSS-BREAKING PLATFORM AND PLASTIC TRACKS
ITBO20030460A1 (en) * 2003-07-31 2005-02-01 L C R S N C Di Lorenzoni Remo & C MACHINE TO MAKE CARDBOARD CUTTERS.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666944A (en) * 2016-01-27 2016-06-15 蚌埠市众邦包装厂 Paperboard cutting system
CN105666944B (en) * 2016-01-27 2019-01-01 蚌埠市众邦包装厂 A kind of system for cardboard shearing

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Publication number Publication date
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