EP2351634B1 - Tool for a sheet punch press and embossing machine - Google Patents
Tool for a sheet punch press and embossing machine Download PDFInfo
- Publication number
- EP2351634B1 EP2351634B1 EP11159266A EP11159266A EP2351634B1 EP 2351634 B1 EP2351634 B1 EP 2351634B1 EP 11159266 A EP11159266 A EP 11159266A EP 11159266 A EP11159266 A EP 11159266A EP 2351634 B1 EP2351634 B1 EP 2351634B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- frame
- plate
- punching
- tool according
- 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.)
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Links
- 238000004049 embossing Methods 0.000 title claims description 32
- 238000004080 punching Methods 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- 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
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
-
- 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
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
-
- 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
- B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4418—Cutters therefor; Dies therefor combining cutting and embossing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
-
- 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
-
- 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
- B31B50/74—Auxiliary operations
- B31B50/88—Printing; Embossing
-
- 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
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0702—Embossing by tools working discontinuously
Definitions
- the invention relates to a tool for a sheet punching and embossing machine according to the preamble of claim 1.
- Examples of methods performed on sheet punching and embossing machines include cold and hot stamping and cold and hot stamping with and without the transfer of optically active structures from a support substrate to the printed product, such as hot foil stamping.
- the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds.
- the punching is done against a punch pad or against stamp.
- the punching tool is, for example, a wooden plate, in the surface of which the stamping knife formed from metal strips are driven, whose shape corresponds to the desired blank shape. The free edges of the punching blades are sharpened to facilitate the punching process.
- Hot foil stamping refers to the printing-technically decorative enhancement of a printed matter by means of films whose coating (eg metallic inks) are removed in a predetermined embossing mold by pressure and heat and pressed onto the paper or the cardboard. Often this is also in Compound applied with embossing, for example in cosmetic and chocolate packaging.
- the embossing tool is, for example, a steel plate, on the surface of metal moldings, the so-called embossing dies are arranged, whose shape corresponds to the desired embossing mold. The free edges of the punching blades are sharpened to facilitate the punching process.
- Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched or stamped in sheet format.
- end products are sophisticated packaging in terms of technical and graphic design, special requirements are not only placed on the packaging materials themselves, but also tools with the lowest tolerances and extremely precise and reliable machines are required for optimum results.
- Flatbed punching or embossing best meets these demands.
- the printed sheets stacked on a pallet are fed to the sheet punching and embossing machine.
- the sheets to be punched are precisely aligned in an alignment device, taken over by a gripper carriage and positioned exactly in the punching device between a lower table and an upper table with a punching tool and punched there. One of the tables is moved, the other stuck.
- a punching station has two crucibles, also referred to as upper table and lower table.
- One of the two tables is moved, the other fixed.
- One table carries the punching tool with the punching knives, the other table the counter plate.
- the moving table is movable back and forth perpendicular to the counterplate plane via a drive device. In the drive devices is between To distinguish knee lever drive and eccentric drive. If the upper table is the moving crucible, this is connected via a yoke to the machine frame.
- the DE 30 44 083 C3 describes inter alia a punching machine with a driven by an eccentric gear top table. From the GB 2 337 224 A a tool according to the preamble of claim 1 is known.
- Object of the present invention is to reduce the setup time of a sheet punching and embossing machine, for example, when changing the punching or embossing to be produced or when changing from one type of process to another, and thus to increase the productivity of the sheet punching and embossing machine.
- the tool can be used for a sheet punching and embossing machine with a fixed in a machine frame first crucible and a movable against the first crucible second crucible, wherein the second crucible has a tool holder for a punching or embossing tool.
- This tool holder can, for example, two parallel mounting rails, which together form a tool insert, an end stop which forms a rear boundary for the tool insert, a locking element which forms a front limit for the tool insert, and on the sheet punching and embossing machine a connector for Include connection of an electrically operable heating plate.
- the described machine allows easy and quick replacement of two tools, because it has a simple tool holder, in the various tools, such as a hot plate and / or a prepared Punching or embossing tool only pushed in and locked must be.
- the only prerequisite is that the tools are each designed so that they can be inserted into the tool holder.
- the tool has a rectangular outer contour and is bounded on two parallel sides of the outer edges of a tool frame, which are inserted into the support rails. This will be explained in more detail below in connection with the proposed tool.
- the machine described also allows easy and quick change between a cold and a hot stamping or embossing process, because on the machine no fixed hot plate, but a connector for the electrical supply of a replaceable hot plate is provided.
- the tools are each designed so that tools for hot processes comprise a heating plate which can be connected to the connector provided on the machine.
- tools for hot processes comprise a heating plate which can be connected to the connector provided on the machine.
- the same tools can be used if the heating plate is not operated.
- tools without their own heating plate can be used, which are naturally cheaper.
- the connector on the sheet punching and embossing machine can be arranged so that it also acts as an end stop of the tool holder.
- this has the advantage that a component is saved and, on the other hand, that a work step, namely the connection of the connection lines with a voltage source, which are otherwise customary with hotplates, is avoided because the electrical connection is already made with the insertion of the tool into the tool holder and with the removal of the tool is interrupted.
- this provides the tools intended for hot stamping or stamping processes significantly less expensive and less prone to failure.
- a punching and embossing machine tool which comprises a planar tool frame of four frame spars connected in a rectangle and at least one fastener element mounted in the tool frame, the outer edges form of two parallel frame members of the tool frame at the same time the outer edges of the tool, ie to each other have a greater distance than the measured in the same direction expansion of all in this direction side by side arranged plate elements.
- the outer edges of two parallel frame spars are formed so that the tool frame can be inserted into the tool holder, and the one or more fixed in the tool frame plate elements extend beyond these outer edges of the frame spars at any point.
- the tool is a punching tool in which the plate element or the plate elements is one or a respective carrier plate with punching blades arranged thereon.
- a carrier plate in this sense can, as explained above, be a conventional wooden plate.
- the support plate made of a material with respect to wood higher thermal conductivity, such as steel or aluminum.
- the tool is an embossing tool, in which the plate element or the plate elements is one or a respective carrier plate with embossing clichés arranged thereon.
- the support plate with mounting holes, such as in the form of so-called honeycomb plates, so that the embossing clichés with so-called toggles or other suitable Fasteners, such as screws or the like, can be mounted on the surface of the support plate.
- clamping bars are attachable to different positions within the tool frame, so that the one or more plate elements can be clamped between clamping bars.
- the plate member is an electrically operable heating plate and on the electrically operable heating plate, a support plate with arranged thereon punching blades or embossing dies is detachably attachable.
- the plate element is an electrically operable heating plate
- the electrically operable heating plate has a flexible electrical connection line with a second connector
- the tool may be configured so that the electrically operable heater plate has a second connector fixedly attached to the tool frame.
- the electrical connection can be made by simply inserting the tool into the tool holder and with the removal of the tool are interrupted.
- the second connector is embedded in the tool frame.
- the connector is thus optimally ahead Protected against damage that could otherwise occur if the tool is handled for retooling.
- a handle may be provided on the tool frame further.
- the tool frame is made of a plastic material.
- Known tool frames for punching machines are massively made of steel. As a result, the punching tools are extremely heavy, which is associated with a high physical stress for the machine setter. Contrary to current wisdom in the art, it has now been found that tool frames can withstand the high mechanical stresses in a punching machine when made from modern plastics.
- the strength of the material frame can be further increased by the fact that the plastic material is reinforced by a fiber material.
- a fiber material for example, carbon or glass fibers can be used.
- the strength of the tool frame can be positively influenced by the fact that the tool frame is made in one piece. Integral is intended to mean that the tool frame is either made in one piece, for example by milling from the solid, or manufactured in one piece, for example by alternately inserting a fiber layer in a shape corresponding to the shape of the tool frame and filling a layer of a curable synthetic resin , Particularly advantageous in the latter variant, it is when the fibers are placed in the corner regions of the tool frame so that they extend into both adjacent frame members.
- the corners of the tool frame additionally reinforced are, for example, by riveted metal angle.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
Die Erfindung betrifft ein Werkzeug für eine Bogenstanz- und -prägemaschine gemäß Oberbegriff des Anspruchs 1.The invention relates to a tool for a sheet punching and embossing machine according to the preamble of claim 1.
Zu den auf Bogenstanz- und -prägemaschinen durchgeführten Verfahren gehören beispielsweise das kalte und heiße Stanzen sowie das kalte und heiße Prägen mit und ohne Transfer optisch wirksamer Strukturen von einem Trägersubstrat auf das Druckerzeugnis, wie dies beispielsweise beim Heißfolienprägen geschieht.Examples of methods performed on sheet punching and embossing machines include cold and hot stamping and cold and hot stamping with and without the transfer of optically active structures from a support substrate to the printed product, such as hot foil stamping.
Als Stanzen wird das Schneiden mit in sich geschlossenen geometrischen Zuschnittsformen bezeichnet, die kreisförmig, oval oder mehreckig sowie Phantasieformen aller Art sein können. Die Stanzung erfolgt gegen eine Stanzunterlage oder gegen Stempel. Das Stanzwerkzeug ist dabei beispielsweise eine Holzplatte, in deren Oberfläche die aus Blechstreifen geformten Stanzmesser getrieben sind, deren Form der gewünschten Zuschnittsform entspricht. Die freien Kanten der Stanzmesser sind geschärft, um den Stanzvorgang zu erleichtern.As punching the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds. The punching is done against a punch pad or against stamp. The punching tool is, for example, a wooden plate, in the surface of which the stamping knife formed from metal strips are driven, whose shape corresponds to the desired blank shape. The free edges of the punching blades are sharpened to facilitate the punching process.
Heißfolienprägen bezeichnet die drucktechnisch dekorative Aufwertung einer Drucksache mittels Folien, deren Beschichtung (z. B. Metallic-Farben) in einer vorgegebenen Prägeform durch Druck und Hitze abgelöst und auf das Papier bzw. den Karton gepresst werden. Oft wird dies auch in Verbindung mit Prägedruck angewandt, zum Beispiel bei Kosmetik- und Pralinenpackungen. Das Prägewerkzeug ist dabei beispielsweise eine Stahlplatte, auf deren Oberfläche Metallformteile, die sogenannten Prägeklischees, angeordnet sind, deren Form der gewünschten Prägeform entspricht. Die freien Kanten der Stanzmesser sind geschärft, um den Stanzvorgang zu erleichtern.Hot foil stamping refers to the printing-technically decorative enhancement of a printed matter by means of films whose coating (eg metallic inks) are removed in a predetermined embossing mold by pressure and heat and pressed onto the paper or the cardboard. Often this is also in Compound applied with embossing, for example in cosmetic and chocolate packaging. The embossing tool is, for example, a steel plate, on the surface of metal moldings, the so-called embossing dies are arranged, whose shape corresponds to the desired embossing mold. The free edges of the punching blades are sharpened to facilitate the punching process.
Verpackungsmaterialien aus Papier, Karton, Pappe oder Wellpappe werden hauptsächlich im Bogenformat gestanzt oder geprägt. Da es sich bei den Endprodukten um anspruchsvolle Verpackungen hinsichtlich technischer und graphischer Ausführung handelt, werden besondere Anforderungen nicht nur an die Verpackungsmaterialien selbst gestellt, sondern es sind für optimale Resultate auch Werkzeuge mit geringsten Toleranzen und äußerst präzise und zuverlässig arbeitende Maschinen erforderlich. Diesen Ansprüchen wird das Flachbettstanzen oder -prägen am besten gerecht. Dabei werden die gedruckten und auf einer Palette gestapelten Bogen der Bogenstanz- und -prägemaschine zugeführt. In der Maschine werden in einer Ausrichteinrichtung die zu stanzenden Bogen passgenau ausgerichtet, von einem Greiferwagen übernommen und exakt in der Stanzeinrichtung zwischen einem Untertisch und einem Obertisch mit Stanzwerkzeug positioniert und dort gestanzt. Einer der Tische ist bewegt, der andere fest.Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched or stamped in sheet format. As the end products are sophisticated packaging in terms of technical and graphic design, special requirements are not only placed on the packaging materials themselves, but also tools with the lowest tolerances and extremely precise and reliable machines are required for optimum results. Flatbed punching or embossing best meets these demands. The printed sheets stacked on a pallet are fed to the sheet punching and embossing machine. In the machine, the sheets to be punched are precisely aligned in an alignment device, taken over by a gripper carriage and positioned exactly in the punching device between a lower table and an upper table with a punching tool and punched there. One of the tables is moved, the other stuck.
In der
Aufgabe der vorliegenden Erfindung ist es, die Rüstzeit einer Bogenstanz- und -prägemaschine, beispielsweise beim Wechsel der zu erzeugenden Stanzung oder Prägung oder beim Wechsel von einer Verfahrensart zu einer anderen, zu verringern und damit die Produktivität der Bogenstanz- und -prägemaschine zu erhöhen.Object of the present invention is to reduce the setup time of a sheet punching and embossing machine, for example, when changing the punching or embossing to be produced or when changing from one type of process to another, and thus to increase the productivity of the sheet punching and embossing machine.
Hierfür wird ein Werkzeug für eine solche Maschine vorgeschlagen, das es ermöglicht, verschiedene Stanz- und Prägeverfahren auf ein und derselben Maschine durchzuführen und die Umrüstung der Maschine für verschiedene Verfahren schnell und einfach durchzuführen.For this purpose, a tool for such a machine is proposed, which makes it possible to perform various punching and embossing processes on the same machine and to carry out the conversion of the machine for various procedures quickly and easily.
Das Werkzeug kann für eine Bogenstanz- und -prägemaschine mit einem fest in einem Maschinengestell angeordneten ersten Tiegel und einem gegen den ersten Tiegel bewegbaren zweiten Tiegel verwendet werden, bei der der zweite Tiegel eine Werkzeugaufnahme für ein Stanz- oder Prägewerkzeug aufweist. Diese Werkzeugaufnahme kann beispielsweise zwei parallel angeordnete Tragschienen, die gemeinsam einen Werkzeugeinschub bilden, einen Endanschlag, der eine hintere Begrenzung für den Werkzeugeinschub bildet, ein Verriegelungselement, das eine vordere Begrenzung für den Werkzeugeinschub bildet, und an der Bogenstanz- und -prägemaschine einen Steckverbinder zum Anschluss einer elektrisch betreibbaren Heizplatte umfassen.The tool can be used for a sheet punching and embossing machine with a fixed in a machine frame first crucible and a movable against the first crucible second crucible, wherein the second crucible has a tool holder for a punching or embossing tool. This tool holder can, for example, two parallel mounting rails, which together form a tool insert, an end stop which forms a rear boundary for the tool insert, a locking element which forms a front limit for the tool insert, and on the sheet punching and embossing machine a connector for Include connection of an electrically operable heating plate.
Die beschriebene Maschine ermöglicht den einfachen und schnellen Austausch zweier Werkzeuge, weil sie eine einfach aufgebaute Werkzeugaufnahme aufweist, in die verschiedene Werkzeuge, wie eine Heizplatte oder/und ein vorbereitetes Stanz- oder Prägewerkzeug nur hineingeschoben und verriegelt werden muss. Voraussetzung hierfür ist lediglich, dass die Werkzeuge jeweils so gestaltet sind, dass sie in die Werkzeugaufnahme eingeführt werden können. Hierfür ist wiederum nur erforderlich, dass das Werkzeug eine rechteckige Außenkontur aufweist und an zwei parallelen Seiten von den Außenkanten eines Werkzeugrahmens begrenzt ist, die in die Tragschienen einschiebbar sind. Dies wird nachfolgend im Zusammenhang mit dem vorgeschlagenen Werkzeug näher erläutert.The described machine allows easy and quick replacement of two tools, because it has a simple tool holder, in the various tools, such as a hot plate and / or a prepared Punching or embossing tool only pushed in and locked must be. The only prerequisite is that the tools are each designed so that they can be inserted into the tool holder. For this purpose, in turn, only required that the tool has a rectangular outer contour and is bounded on two parallel sides of the outer edges of a tool frame, which are inserted into the support rails. This will be explained in more detail below in connection with the proposed tool.
Die beschriebene Maschine ermöglicht auch den einfachen und schnellen Wechsel zwischen einem kalten und einem heißen Stanz- oder Prägeverfahren, weil an der Maschine keine fest installierte Heizplatte, sondern ein Steckverbinder zur elektrischen Versorgung einer auswechselbaren Heizplatte vorgesehen ist. Voraussetzung hierfür ist lediglich, dass die Werkzeuge jeweils so gestaltet sind, dass Werkzeuge für heiße Verfahren eine Heizplatte umfassen, die an den an der Maschine vorgesehenen Steckverbinder anschließbar ist. Für kalte Verfahren können dieselben Werkzeuge verwendet werden, wenn die Heizplatte nicht betrieben wird. Alternativ können Werkzeuge ohne eigene Heizplatte verwendet werden, die naturgemäß kostengünstiger sind.The machine described also allows easy and quick change between a cold and a hot stamping or embossing process, because on the machine no fixed hot plate, but a connector for the electrical supply of a replaceable hot plate is provided. The only prerequisite for this is that the tools are each designed so that tools for hot processes comprise a heating plate which can be connected to the connector provided on the machine. For cold processes the same tools can be used if the heating plate is not operated. Alternatively, tools without their own heating plate can be used, which are naturally cheaper.
Der Steckverbinder an der der Bogenstanz- und -prägemaschine kann so angeordnet sein, dass er gleichzeitig als Endanschlag der Werkzeugaufnahme wirkt. Dies hat einerseits den Vorteil, dass ein Bauteil eingespart wird und andererseits, dass ein Arbeitsschritt, nämlich das Verbinden der sonst bei Heizplatten üblichen Anschlussleitungen mit einer Spannungsquelle, vermieden wird, weil der elektrische Anschluss bereits mit dem Einschieben des Werkzeugs in die Werkzeugaufnahme hergestellt und mit dem Entnehmen des Werkzeugs unterbrochen wird. Außerdem werden dadurch die für heiße Stanz- oder Prägeverfahren vorgesehenen Werkzeuge deutlich kostengünstiger und weniger störanfällig.The connector on the sheet punching and embossing machine can be arranged so that it also acts as an end stop of the tool holder. On the one hand, this has the advantage that a component is saved and, on the other hand, that a work step, namely the connection of the connection lines with a voltage source, which are otherwise customary with hotplates, is avoided because the electrical connection is already made with the insertion of the tool into the tool holder and with the removal of the tool is interrupted. In addition, this provides the tools intended for hot stamping or stamping processes significantly less expensive and less prone to failure.
Um die vorgeschlagene Maschine mit dem größten Nutzeffekt zu betreiben, wird ein Werkzeug für eine Bogenstanz- und - prägemaschine vorgeschlagen, das einen ebenen Werkzeugrahmen aus vier zu einem Rechteck verbundenen Rahmenholmen und mindestens ein im Werkzeugrahmen angeordnetes, mit Befestigungsmitteln befestigtes Plattenelement umfasst, wobei die Außenkanten von zwei parallelen Rahmenholmen des Werkzeugrahmens zugleich die Außenkanten des Werkzeugs bilden, d.h. zueinander einen größeren Abstand aufweisen als die in gleicher Richtung gemessene Ausdehnung aller in dieser Richtung nebeneinander angeordneten Plattenelemente. Mit anderen Worten sind die Außenkanten zweier paralleler Rahmenholme so ausgebildet, dass der Werkzeugrahmen in die Werkzeugaufnahme einschiebbar sind, und das oder die im Werkzeugrahmen befestigten Plattenelemente überragen diese Außenkanten der Rahmenholme an keiner Stelle.In order to operate the proposed machine with the greatest efficiency, a punching and embossing machine tool is proposed which comprises a planar tool frame of four frame spars connected in a rectangle and at least one fastener element mounted in the tool frame, the outer edges form of two parallel frame members of the tool frame at the same time the outer edges of the tool, ie to each other have a greater distance than the measured in the same direction expansion of all in this direction side by side arranged plate elements. In other words, the outer edges of two parallel frame spars are formed so that the tool frame can be inserted into the tool holder, and the one or more fixed in the tool frame plate elements extend beyond these outer edges of the frame spars at any point.
In einer ersten Ausführungsform ist das Werkzeug ein Stanzwerkzeug, bei dem das Plattenelement oder die Plattenelemente eine oder je eine Trägerplatte mit darauf angeordneten Stanzmessern ist. Eine Trägerplatte in diesem Sinne kann, wie oben bereits erläutert wurde, eine herkömmliche Holzplatte sein. Insbesondere für heiße Verfahren ist es jedoch günstig, die Trägerplatte aus einem Material mit gegenüber Holz höherer Wärmeleitfähigkeit, beispielsweise Stahl oder Aluminium, zu verwenden.In a first embodiment, the tool is a punching tool in which the plate element or the plate elements is one or a respective carrier plate with punching blades arranged thereon. A carrier plate in this sense can, as explained above, be a conventional wooden plate. In particular, for hot processes, however, it is advantageous to use the support plate made of a material with respect to wood higher thermal conductivity, such as steel or aluminum.
In einer ersten Ausführungsform ist das Werkzeug ein Prägewerkzeug, bei dem das Plattenelement oder die Plattenelemente eine oder je eine Trägerplatte mit darauf angeordneten Prägeklischees ist. Insbesondere für Prägewerkzeuge ist es dabei von Vorteil, die Trägerplatte mit Befestigungsbohrungen, etwa in der Art sogenannter Honeycomb-Platten, zu versehen, so dass die Prägeklischees mit sogenannten Toggles oder anderen geeigneten Befestigungsmitteln, wie Schrauben oder dergleichen, auf der Oberfläche der Trägerplatte befestigt werden können.In a first embodiment, the tool is an embossing tool, in which the plate element or the plate elements is one or a respective carrier plate with embossing clichés arranged thereon. In particular, for embossing tools, it is advantageous to provide the support plate with mounting holes, such as in the form of so-called honeycomb plates, so that the embossing clichés with so-called toggles or other suitable Fasteners, such as screws or the like, can be mounted on the surface of the support plate.
Zur Befestigung kleiner Plattenelemente mit Stanzmessern oder Prägeklischees können am Werkzeugrahmen auch Spannleisten angeordnet sein. Die Spannleisten sind an unterschiedlichen Positionen innerhalb des Werkzeugrahmens anbringbar, so dass das oder die Plattenelemente zwischen Spannleisten eingespannt werden können.For fixing small plate elements with punching or embossing clichés and clamping strips can be arranged on the tool frame. The clamping bars are attachable to different positions within the tool frame, so that the one or more plate elements can be clamped between clamping bars.
Weiterhin kann bei dem Werkzeug vorgesehen sein, dass das Plattenelement eine elektrisch betreibbare Heizplatte ist und auf der elektrisch betreibbaren Heizplatte eine Trägerplatte mit darauf angeordneten Stanzmessern oder Prägeklischees lösbar anbringbar ist.Furthermore, it can be provided in the tool, that the plate member is an electrically operable heating plate and on the electrically operable heating plate, a support plate with arranged thereon punching blades or embossing dies is detachably attachable.
Für Ausführungen, bei denen das Plattenelement eine elektrisch betreibbare Heizplatte ist, kann weiter vorgesehen sein, dass die elektrisch betreibbare Heizplatte eine flexible elektrische Anschlussleitung mit einem zweiten Steckverbinder aufweist.For embodiments in which the plate element is an electrically operable heating plate, it can further be provided that the electrically operable heating plate has a flexible electrical connection line with a second connector.
Alternativ kann das Werkzeug so ausgeführt sein, dass die elektrisch betreibbare Heizplatte einen zweiten Steckverbinder aufweist, der fest am Werkzeugrahmen angebracht ist. Wie oben im Zusammenhang mit der vorgeschlagenen Maschine bereits erläutert wurde, kann bei Maschinen, bei denen der erste Steckverbinder so angeordnet ist, dass er gleichzeitig als Endanschlag der Werkzeugaufnahme wirkt, der elektrische Anschluss durch einfaches Einschieben des Werkzeugs in die Werkzeugaufnahme hergestellt und mit dem Entnehmen des Werkzeugs unterbrochen werden.Alternatively, the tool may be configured so that the electrically operable heater plate has a second connector fixedly attached to the tool frame. As has already been explained above in connection with the proposed machine, in machines in which the first connector is arranged so that it simultaneously acts as an end stop of the tool holder, the electrical connection can be made by simply inserting the tool into the tool holder and with the removal of the tool are interrupted.
Hierzu kann bei dem Werkzeug weiter vorgesehen sein, dass der zweite Steckverbinder in den Werkzeugrahmen eingelassen ist. Der Steckverbinder ist dadurch optimal vor Beschädigungen geschützt, die sonst auftreten könnten, wenn das Werkzeug zum Umrüsten gehandhabt wird. Für eine einfache Handhabung des Werkzeugs kann am Werkzeugrahmen weiterhin ein Handgriff vorgesehen sein.For this purpose, it may further be provided in the tool that the second connector is embedded in the tool frame. The connector is thus optimally ahead Protected against damage that could otherwise occur if the tool is handled for retooling. For easy handling of the tool, a handle may be provided on the tool frame further.
In einer weiteren Ausgestaltung wird vorgeschlagen, dass der Werkzeugrahmen aus einem Kunststoffmaterial gefertigt ist. Bekannte Werkzeugrahmen für Stanzmaschinen sind massiv aus Stahl gefertigt. Dadurch sind die Stanzwerkzeuge extrem schwer, was mit einer hohen körperlichen Belastung für den Maschineneinrichter einhergeht. Entgegen der bisherigen in der Fachwelt verbreiteten Ansicht wurde nun herausgefunden, dass Werkzeugrahmen den hohen mechanischen Belastungen in einer Stanzmaschine widerstehen können, wenn sie aus modernen Kunststoffen gefertigt werden.In a further embodiment, it is proposed that the tool frame is made of a plastic material. Known tool frames for punching machines are massively made of steel. As a result, the punching tools are extremely heavy, which is associated with a high physical stress for the machine setter. Contrary to current wisdom in the art, it has now been found that tool frames can withstand the high mechanical stresses in a punching machine when made from modern plastics.
Die Festigkeit des Werkstoffrahmens kann dadurch weiter erhöht werden, dass das Kunststoffmaterial durch ein Fasermaterial verstärkt ist. Dabei können beispielsweise Karbon- oder Glasfasern verwendet werden.The strength of the material frame can be further increased by the fact that the plastic material is reinforced by a fiber material. In this case, for example, carbon or glass fibers can be used.
Außerdem kann die Festigkeit des Werkzeugrahmens dadurch positiv beeinflusst werden, dass der Werkzeugrahmen einstückig gefertigt ist. Einstückig soll dabei bedeuten, dass der Werkzeugrahmen entweder aus einem Stück hergestellt ist, beispielsweise durch Fräsen aus dem Vollen, oder in einem Stück hergestellt ist, beispielsweise durch abwechselndes Einlegen einer Faserschicht in eine der Gestalt des Werkzeugrahmens entsprechende Form und Einfüllen einer Schicht eines aushärtbaren Kunstharzes. Besonders vorteilhaft bei der letztgenannten Variante ist es, wenn die Fasern in den Eckbereichen des Werkzeugrahmens so gelegt werden, dass sie sich in beide angrenzenden Rahmenholme erstrecken.In addition, the strength of the tool frame can be positively influenced by the fact that the tool frame is made in one piece. Integral is intended to mean that the tool frame is either made in one piece, for example by milling from the solid, or manufactured in one piece, for example by alternately inserting a fiber layer in a shape corresponding to the shape of the tool frame and filling a layer of a curable synthetic resin , Particularly advantageous in the latter variant, it is when the fibers are placed in the corner regions of the tool frame so that they extend into both adjacent frame members.
Alternativ oder zusätzlich hierzu kann auch vorgesehen sein, dass die Ecken des Werkzeugrahmens zusätzlich verstärkt sind, beispielsweise durch aufgenietete Metallwinkel.Alternatively or additionally, it can also be provided that the corners of the tool frame additionally reinforced are, for example, by riveted metal angle.
Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels und zugehöriger Zeichnungen näher erläutert. Es zeigen in schematischer Darstellung
-
Fig. 1 eine Heizplatte 1, die fest mit einem Werkzeugrahmen 2 der beschriebenen Art verbunden ist, wobei der Werkzeugrahmen aus vier rechteckig zusammengefügten Rahmenholmen 3 besteht, und -
Fig. 2 einen als Schließrahmen ausgeführten Werkzeugrahmen 2, der zur lösbaren Befestigung von Plattenelementen, wie Trägerplatten für Stanz- und Rillmesser oder für Prägeklischees ausgebildet ist. Dazu sind am Werkzeugrahmen 2 in dervon den Rahmenholmen 3 umschlossenen Innenfläche mehrere Spannleisten 4 an verschiedenen Positionen anbringbar, so dass Plattenelemente verschiedener Größe an jeder beliebigen Position innerhalb des Werkzeugrahmens 2 anbringbar sind und der Werkzeugrahmen 2 für verschiedene Konfigurationen von Plattenelementen leicht und schnall anpassbar ist. Alternativ kann in dem als Schließrahmen ausgeführten Werkzeugrahmen auch ein einzelnes Plattenelement befestigt werden, wobei dieses problemlos so groß sein kann, dass es die gesamtevon den Rahmenholmen 3 umschlossene Innenfläche einnehmen kann.
-
Fig. 1 a heating plate 1 which is fixedly connected to a tool frame 2 of the type described, wherein the tool frame consists of four rectangularly assembledframe beams 3, and -
Fig. 2 a designed as a closing frame tool frame 2, which is designed for releasable attachment of plate elements, such as carrier plates for punching and creasing knives or for embossing clichés. For this purpose, a plurality of clamping strips 4 are attached to the tool frame 2 in the enclosed by theframe members 3 inner clamping surface 4 at different positions, so that plate elements of different sizes at any position within the tool frame 2 can be attached and the tool frame 2 for different configurations of plate elements is easily and easily adaptable , Alternatively, a single plate element can also be fastened in the tool frame designed as a closing frame, whereby this can easily be so large that it can occupy all of the inner surface enclosed by theframe members 3.
Claims (12)
- Tool for a sheet punching and embossing machine, comprising a planar tool frame (2) which consists of four frame members (3), which are connected to form a rectangle, and at least one plate element which is arranged in the tool frame (2) and is attached by attachment means, with the outer edges of two parallel frame members (3) of the tool frame (2) at the same time forming the outer edges of the tool, characterized in that the plate element is an electrically operable heating plate (1), and a support plate with punching blades or embossing blocks arranged thereon can be releasably mounted on the electrically operable heating plate (1).
- Tool according to Claim 1, characterized in that the electrically operable heating plate (1) has a flexible electrical connection line with a second plug connector.
- Tool according to Claim 2, characterized in that the electrically operable heating plate (1) has a second plug connector which is fixedly mounted on the tool frame (2).
- Tool according to Claim 3, characterized in that the second plug connector is recessed in the tool frame (2).
- Tool according to one of Claims 1 to 4, characterized in that the outer edges of two parallel frame members (3) of the tool frame (2) are at a greater distance from one another than the extent, measured in the same direction, of all the plate elements which are arranged next to one another in this direction.
- Tool according to one of Claims 1 to 5, characterized in that the tool is a punching tool, with the plate element being a support plate with punching blades arranged thereon.
- Tool according to one of Claims 1 to 5, characterized in that the tool is an embossing tool, with the plate element being a support plate with embossing blocks arranged thereon.
- Tool according to one of Claims 1 to 7, characterized in that one or more clamping strips can be releasably mounted on the tool frame (2) in different positions within the tool frame (2), with the result that the plate element or plate elements can be clamped between clamping strips (4) in any desired positions.
- Tool according to one of Claims 1 to 8, characterized in that the tool frame (2) is produced from a plastic material.
- Tool according to Claim 9, characterized in that the plastic material is reinforced by a fibre material.
- Tool according to Claim 9 or 10, characterized in that the tool frame (2) is integrally produced.
- Tool according to one of Claims 9 to 11, characterized in that the corners of the tool frame (2) are additionally reinforced.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008062728 | 2008-12-18 | ||
DE202009008757U DE202009008757U1 (en) | 2008-12-18 | 2009-06-24 | Tool for a sheet punching and embossing machine |
EP09180001A EP2199043A3 (en) | 2008-12-18 | 2009-12-18 | Tool for a sheet punch press and embossing machine |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09180001.1 Division | 2009-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2351634A2 EP2351634A2 (en) | 2011-08-03 |
EP2351634A3 EP2351634A3 (en) | 2011-12-28 |
EP2351634B1 true EP2351634B1 (en) | 2013-04-03 |
Family
ID=41153067
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09180001A Withdrawn EP2199043A3 (en) | 2008-12-18 | 2009-12-18 | Tool for a sheet punch press and embossing machine |
EP11159266A Active EP2351634B1 (en) | 2008-12-18 | 2009-12-18 | Tool for a sheet punch press and embossing machine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP09180001A Withdrawn EP2199043A3 (en) | 2008-12-18 | 2009-12-18 | Tool for a sheet punch press and embossing machine |
Country Status (2)
Country | Link |
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EP (2) | EP2199043A3 (en) |
DE (1) | DE202009008757U1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102615959A (en) * | 2012-03-19 | 2012-08-01 | 温州力冠机械有限公司 | Balance flat pressing and flat die cutting mechanism |
CN103358677A (en) * | 2012-03-26 | 2013-10-23 | 李克晓 | Honeycomb plate fastener of automatic stamping (embossing) machine |
CN102673114B (en) * | 2012-05-04 | 2014-10-22 | 青岛海刚烫印设备制造有限公司 | numerical control anti-fake stamping machine |
CN103465614B (en) * | 2013-08-20 | 2015-07-22 | 珠海天威飞马打印耗材有限公司 | Fixing template for heat transfer printing |
DE102013016755A1 (en) * | 2013-10-10 | 2015-04-16 | Heidelberger Druckmaschinen Ag | Punching machine with a device for trimming |
CN103552373B (en) * | 2013-10-29 | 2015-04-15 | 湖北京华彩印有限公司 | Integrated adjustable gold stamping plate |
CN104924753B (en) * | 2015-07-03 | 2017-10-13 | 汕头东风印刷股份有限公司 | A kind of digital loader |
CN108099377A (en) * | 2018-01-16 | 2018-06-01 | 嘉兴洁阳电子科技有限公司 | A kind of molding machine of aluminum-pinch heat transfer machine |
WO2021032592A1 (en) | 2019-08-16 | 2021-02-25 | Pantec Gs Systems Ag | Device for the tool-plate positioning of flat embossing machines |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3113515A (en) * | 1961-11-24 | 1963-12-10 | Donald D Gaither | Holding means |
DE1175976B (en) * | 1962-01-11 | 1964-08-13 | Bobst & Sohn A G J | Device for attaching a tool to the upper crucible of a crucible press for embossing, punching or the like. |
DE3044083C2 (en) | 1980-11-24 | 1990-05-10 | Bobst S.A., Lausanne | Punching devices for automatic punching machines for punching sheets of paper, cardboard and the like. |
DE19516073B4 (en) * | 1995-05-04 | 2012-03-22 | Heidelberger Druckmaschinen Ag | Device for punching bows |
DE19521359A1 (en) * | 1995-06-12 | 1996-12-19 | Kiefel Gmbh Paul | Punching tool for plastic films has a heated steel band knife |
GB2337224A (en) * | 1998-04-16 | 1999-11-17 | Ralegh Limited | Die cutting apparatus |
FR2790415A1 (en) * | 1999-03-01 | 2000-09-08 | Bernard Bouyer | Cutting machine for corrugated cardboard comprises heating shuttering, heat conducting plate attached to machine, and cutting threads with constant temperature due to permanent contact with plate |
-
2009
- 2009-06-24 DE DE202009008757U patent/DE202009008757U1/en not_active Expired - Lifetime
- 2009-12-18 EP EP09180001A patent/EP2199043A3/en not_active Withdrawn
- 2009-12-18 EP EP11159266A patent/EP2351634B1/en active Active
Also Published As
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EP2199043A3 (en) | 2010-09-22 |
EP2351634A2 (en) | 2011-08-03 |
DE202009008757U1 (en) | 2009-10-08 |
EP2199043A2 (en) | 2010-06-23 |
EP2351634A3 (en) | 2011-12-28 |
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