EP1970173B1 - Sheet-fed punching and embossing press - Google Patents

Sheet-fed punching and embossing press Download PDF

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Publication number
EP1970173B1
EP1970173B1 EP08101795A EP08101795A EP1970173B1 EP 1970173 B1 EP1970173 B1 EP 1970173B1 EP 08101795 A EP08101795 A EP 08101795A EP 08101795 A EP08101795 A EP 08101795A EP 1970173 B1 EP1970173 B1 EP 1970173B1
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EP
European Patent Office
Prior art keywords
punching
sheet
wedge
diecutting
platen
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.)
Not-in-force
Application number
EP08101795A
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German (de)
French (fr)
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EP1970173A1 (en
Inventor
David Ehrbar
Hendrik Frank
Reinhard Lappok
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP1970173A1 publication Critical patent/EP1970173A1/en
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Classifications

    • 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
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/16—Cam means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
    • B30B1/261—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks by cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B30B15/0035—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height using an adjustable connection between the press drive means and the press slide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • 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

Definitions

  • the present invention relates to a sheet punching and embossing machine according to the preamble of claim 1.
  • punching As punching the cutting is referred to as closed, geometric blank forms that can be circular, oval or polygonal as well as fantasy shapes of all kinds. Even the practices practiced in print finishing such as punching with punch, repel corners and register punching are counted to this area.
  • the punching takes place against a punching pad or against punches, in some cases it is also shearing operations (cf. Postpress, training manual for bookbinders, Bundesv Druck e. V. 1996, page 351 ff .).
  • Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched in sheet format. When punching but also creasing lines or blind embossing can be introduced into the benefit. This complex process makes it indispensable to punch the sheets individually. Since the end products are sophisticated packaging in terms of technical and graphic designs (such as packaging for cosmetics, cigarettes, pharmaceuticals, foodstuffs, etc.), special requirements are not only placed on the packaging materials themselves, but punching tools are also required for optimum results lowest tolerances and extremely precise and reliable working punching machines required.
  • the printed sheets stacked on a pallet are fed to the punching machine.
  • the singling of the sheets to be punched is first carried out in a separating device, which are then subsequently accurately aligned in an alignment device, taken over by a gripper carriage and positioned exactly in the punching device.
  • the gripper carriage can be moved by endless chains through the machine or driven by linear drives.
  • the punching device usually consists of a provided with a counter-plate resting table and provided with a punching and scoring tools via a lifting drive perpendicular to the counter plate up and down the movable table.
  • a drive for a sheet punching and embossing machine is from the DE 30 44 083 A1 known.
  • the machine described herein has a fixed undertable and an up and down movable top table for punching sheets of paper, cardboard and the like.
  • the movement of the up and down movable upper table is realized by rollers which are arranged on two eccentric shafts arranged above the table.
  • the upper table rests against the rollers on the eccentric shaft with spring force.
  • By a rotational movement of the eccentric shafts of the upper table is moved perpendicular to the lower table. Due to the eccentric drive results in the course of time, a substantially sinusoidal lifting movement of the upper table.
  • Hardened steel plates are placed at the contact surfaces between the rollers and the table, which absorb the pressure and frictional forces exerted by the rollers and pass them on to the upper table. These steel plates may be wedge-shaped and then used for pressure delivery by providing corresponding means to move the steel plates with respect to the point of support of the rollers in the direction of the wedge inclination.
  • the crucible punch press has a first crucible, which is fixedly arranged in a machine frame, and a second crucible, which can be delivered against the first crucible, and which can be adjusted in the feed direction by means of four toggle levers acting on it in an articulated manner.
  • the knee levers are each supported via a support joint against the machine frame and are acted upon by a cam gear.
  • at least one pair of support joints is adjustable transversely to the feed direction. The adjustability is made possible by the fact that the support joints are each mounted on hinge body in the machine frame slidably mounted bearing half shells.
  • Object of the present invention is therefore to provide a sheet punching and embossing machine with a drive for the deliverable crucible, which avoids the disadvantages described.
  • the rollers of the eccentric drive each act on two superimposed wedge-shaped documents, which are mutually displaceable.
  • the wedges are each adjustable via an adjusting device, wherein the one wedge for punching force adjustment with an adjusting motor is provided and the other wedge for emergency interruption is acted upon by a fast-acting actuator.
  • the wedge for emergency interruption is adjustable only in its two end positions. This allows a particularly simple and quick adjustment.
  • the fast-acting actuator is a pneumatic cylinder.
  • the fast-acting actuator moves the wedge for emergency interruption against attacks. This makes a quick interruption particularly easy. Furthermore, a reproducible position to the working stroke can be easily achieved again.
  • Fig. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking and depositing sheets of paper, cardboard and the like is shown.
  • the punching and embossing machine 100 has a feeder 1, a punching station 2, a breaking station 3 and a boom 4, which are supported and enclosed by a common machine housing 5.
  • the sheets 6 are separated by a feeder 1 from a stack and fed via a feed table 16 of the sheet punching and embossing machine 100 and grabbed by grippers at its front edge and intermittently in the sheet conveying direction F through the various stations 2, 3 and 4 of the punching and Embossing machine 100 pulled through.
  • the grippers are in this case attached to gripper bars 8 and these in turn to a transport system 7.
  • the punching station 2 consists of a lower table 9 and an upper table 10.
  • the lower table 9 is fixedly mounted in the machine frame and provided with an unspecified darg Congressen counter plate to the punching blades.
  • the upper table is mounted vertically movable up and down and is provided with the punching and Rillmessern.
  • the grippers on the gripper bars 8 transport the sheet 6 from the punching and embossing station 2 in the subsequent breaking station 3, which is equipped with breakout tools.
  • the breaking station 3 the unwanted pieces of waste are pushed out of the sheet 6 downwards with the aid of the stripping tools, whereby the waste pieces 11 fall into a container-like carriage 12 inserted below the station.
  • the boom 4 may also include a pallet 13, on which the individual sheets are stacked in the form of a stack 14, so that after reaching a certain stack height, the pallets can be moved away with the stacked sheets 14 from the field of punching and embossing machine 100 ,
  • Fig. 2 an adjusting device according to the invention for the drives of a sheet punching and embossing machine is shown schematically.
  • the illustrated drive of the upper table is an eccentric, which has proven particularly useful for driving punching equipment.
  • the upper table is driven by two eccentric shafts, of which in Fig. 2 however, only one is shown.
  • the eccentric consists of an eccentric shaft 15, which in a manner not shown about the axis 17 is rotatably supported by the yoke, not shown.
  • the eccentric shaft 15 is driven by means of a spur gear, not shown.
  • At the ends of the eccentric shaft 15 sits each a roller bearing roller16.
  • wedges 18, 19 are arranged.
  • the wedges 18, 19 are arranged so that they touch with their oblique sides 18 'and 19', wherein the wedge 19 forms an inclined plane on the wedge 18 is adjustable.
  • the wedge 18 is connected via an adjusting device, for example a threaded spindle 24, with a motor 21.
  • a punching pressure adjustment can be effected by the wedge 18 is moved in the arrow directions of the arrow A.
  • the punching pressure adjustment can be very finely adjusted.
  • the upper table 10 is usually driven by two eccentric rollers 15, each having a roller bearing roller 16 at the ends. Consequently, there are four wedge assemblies 18, 19, via which an adjustment of the punching pressure is made possible.
  • the lower wedge 19 is connected to a pneumatic cylinder 22.
  • the pneumatic cylinder is acted upon by compressed air via pressure lines 23, 23 ', so that it can adjust the wedge 19 in the directions of the arrow B from stop 20 to stop 20' and vice versa abruptly. This ensures a quick return of the punching pressure to zero.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The machine (100) has a punching station (2) and a transport device (7) for a sheet which is punched. The punching station has a platen (9) that is firmly arranged in a machine frame and a driven platen (10) that is delivered opposite to the platen. A drive has two wedge-shaped records that are arranged one above the other and are adjusted with an adjustment engine. A wedge is provided for punching force adjustment with the adjustment engine, and another wedge is subjected for emergency shutdown to a quick operating actuator i.e. pneumatic cylinder.

Description

Die vorliegende Erfindung betrifft eine Bogenstanz- und -prägemaschine gemäß dem Oberbegriff von Anspruch 1.The present invention relates to a sheet punching and embossing machine according to the preamble of claim 1.

Als Stanzen wird das Schneiden mit in sich geschlossenen, geometrischen Zuschnittsformen bezeichnet, die kreisförmig, oval oder mehreckig sowie Fantasieformen aller Art sein können. Auch die in der Druckweiterverarbeitung geübten Praktiken wie Stanzen mit Locheisen, Ecken abstoßen und Register stanzen werden zu diesem Bereich gezählt. Die Stanzung erfolgt gegen eine Stanzunterlage oder gegen Stempel, teilweise sind es auch Schervorgänge (vgl. Druckweiterverarbeitung, Ausbildungsleitfaden für Buchbinder, Bundesverband Druck e. V. 1996, Seite 351 ff .).As punching the cutting is referred to as closed, geometric blank forms that can be circular, oval or polygonal as well as fantasy shapes of all kinds. Even the practices practiced in print finishing such as punching with punch, repel corners and register punching are counted to this area. The punching takes place against a punching pad or against punches, in some cases it is also shearing operations (cf. Postpress, training manual for bookbinders, Bundesverband Druck e. V. 1996, page 351 ff .).

Verpackungsmaterialien aus Papier, Karton, Pappe oder Wellpappe werden hauptsächlich im Bogenformat gestanzt. Beim Stanzvorgang können zusätzlich aber auch Rilllinien oder Blindprägungen in den Nutzen eingebracht werden. Dieser komplexe Prozess macht es unabdingbar, die Bogen einzeln zu stanzen. Da es sich bei den Endprodukten um anspruchsvolle Verpackungen hinsichtlich technischer und graphischer Ausführungen handelt (etwa Verpackungen für Kosmetik, Zigaretten, Pharmazie, Lebensmittel etc.), werden besondere Anforderungen nicht nur an die Verpackungsmaterialien selbst gestellt, sondern es sind für optimale Resultate auch Stanzwerkzeuge mit geringsten Toleranzen und äußerst präzise und zuverlässig arbeitende Stanzmaschinen erforderlich.Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched in sheet format. When punching but also creasing lines or blind embossing can be introduced into the benefit. This complex process makes it indispensable to punch the sheets individually. Since the end products are sophisticated packaging in terms of technical and graphic designs (such as packaging for cosmetics, cigarettes, pharmaceuticals, foodstuffs, etc.), special requirements are not only placed on the packaging materials themselves, but punching tools are also required for optimum results lowest tolerances and extremely precise and reliable working punching machines required.

Diesen Ansprüchen wird das Flachbettstanzen am besten gerecht. Dabei werden die gedruckten und auf einer Palette gestapelten Bogen der Stanzmaschine zugeführt. In der Maschine erfolgt in einer Vereinzelungseinrichtung zunächst die Vereinzelung der zu stanzenden Bogen, die dann anschließend in einer Ausrichteinrichtung passgenau ausgerichtet, von einem Greiferwagen übernommen und exakt in der Stanzeinrichtung positioniert werden. Die Greiferwagen können hierbei an endlosen Ketten durch die Maschine bewegt werden oder aber durch Linearantriebe angetrieben werden.Flatbed punching best meets these demands. The printed sheets stacked on a pallet are fed to the punching machine. In the machine, the singling of the sheets to be punched is first carried out in a separating device, which are then subsequently accurately aligned in an alignment device, taken over by a gripper carriage and positioned exactly in the punching device. The gripper carriage can be moved by endless chains through the machine or driven by linear drives.

Die Stanzeinrichtung besteht üblicherweise aus einem mit einer Gegenplatte versehenen ruhenden Tisch und einem mit Stanz- und Rillwerkzeugen versehenen über einen Hubantrieb senkrecht zur Gegenplatte auf und ab beweglichen Tisch. Durch diese Auf- und-abbewegung wird aus den taktweise zwischen den Tischflächen hindurch geführten Bögen die Nutzen ausgestanzt und gleichzeitig die zum sauberen Falten notwendigen Rillen eingedrückt.The punching device usually consists of a provided with a counter-plate resting table and provided with a punching and scoring tools via a lifting drive perpendicular to the counter plate up and down the movable table. As a result of this up and down movement, the benefits are punched out of the sheets cyclically guided between the table surfaces and at the same time the grooves required for a clean folding are pressed.

In einer nachfolgenden Ausbrecheinrichtung wird der Abfall über Ausbrechwerkzeuge maschinell entfernt. Je nach Ausstattung der Maschine können schließlich die gestanzten Nutzen in einer hierfür vorgesehenen Nutzentrenneinrichtung separiert werden.In a subsequent breakout the waste is removed by machine tools. Depending on the equipment of the machine finally the punched benefits can be separated in a designated Nutzentrenneinrichtung.

Ein Antrieb für eine Bogenstanz- und -prägemaschine ist aus der DE 30 44 083 A1 bekannt. Die hierin beschriebene Maschine besitzt einen festen Untertisch und einen auf und ab beweglichen Obertisch zum Stanzen von Bögen aus Papier, Pappe und dergleichen. Die Bewegung des auf und ab beweglichen Obertisches wird über Rollen realisiert, die auf zwei über dem Tisch angeordneten Exzenterwellen angeordnet sind. Der Obertisch liegt mit Federkraft gegen die Rollen auf der Exzenterwelle an. Durch eine Drehbewegung der Exzenterwellen wird der Obertisch senkrecht gegen den Untertisch bewegt. Durch den Exzenterantrieb ergibt sich im zeitlichen Verlauf eine im Wesentlichen sinusförmige Hubbewegung des Obertisches. Aus dieser Druckschrift sind die Merkmale des Oberbegriffs des Anspruchs 1 bekannt.A drive for a sheet punching and embossing machine is from the DE 30 44 083 A1 known. The machine described herein has a fixed undertable and an up and down movable top table for punching sheets of paper, cardboard and the like. The movement of the up and down movable upper table is realized by rollers which are arranged on two eccentric shafts arranged above the table. The upper table rests against the rollers on the eccentric shaft with spring force. By a rotational movement of the eccentric shafts of the upper table is moved perpendicular to the lower table. Due to the eccentric drive results in the course of time, a substantially sinusoidal lifting movement of the upper table. From this document, the features of the preamble of claim 1 are known.

An den Berührungsflächen zwischen Rollen und Tisch sind gehärtete Stahlplatten angeordnet, die die Druck- und Reibungskräfte, die von den Rollen ausgeübt werden, aufnehmen und an den Obertisch weitergeben. Diese Stahlplatten können keilförmig ausgebildet sein und dann zur Druckzustellung herangezogen werden, indem entsprechende Einrichtungen vorgesehen werden, um die Stahlplatten bezüglich des Auflagepunktes der Rollen in Richtung der Keilneigung zu verschieben.Hardened steel plates are placed at the contact surfaces between the rollers and the table, which absorb the pressure and frictional forces exerted by the rollers and pass them on to the upper table. These steel plates may be wedge-shaped and then used for pressure delivery by providing corresponding means to move the steel plates with respect to the point of support of the rollers in the direction of the wedge inclination.

Bei den Vorrichtungen nach dem Stand der Technik ist es nicht möglich, den Stanzvorgang schlagartig zu unterbrechen, während die Maschine mit voller Geschwindigkeit weiterläuft, da die aufgezeigten Verstellmechanismen zu langsam sind.In the devices according to the prior art, it is not possible to stop the punching process abruptly while the machine continues to run at full speed, since the adjustment mechanisms shown are too slow.

Des Weiteren ergibt sich ein Problem bei Maschinen mit einer weiteren Station zur Heißfolienprägung. Bei diesem Prozess ist es zwingend erforderlich, dass die Stanzkraft innerhalb eines Arbeitstaktes abgestellt werden kann. Ansonsten wird die Heißfolie auf das Unterwerkzeug aufgebracht, sobald es zu einer Fehlanlage des Bogens kommt.Furthermore, there is a problem with machines with another station for hot foil stamping. In this process, it is imperative that the punching force can be turned off within a working cycle. Otherwise, the hot foil is applied to the lower tool as soon as the sheet fails.

Aus der DE 33 13 790 C2 ist ein weiterer Antrieb für eine Bogenstanz- und-prägemaschine bekannt. Die Tiegelstanzpresse weist einen ersten, fest in einem Maschinengestell angeordneten Tiegel und einen zweiten, gegen den ersten zustellbaren Tiegel auf, der über vier an diesem gelenkig angreifende Kniehebel in Zustellrichtung verstellbar ist. Die Kniehebel stützen sich jeweils über ein Stützgelenk gegen das Maschinengestell ab und werden durch einen Nockentrieb beaufschlagt. Aus dieser Schrift ist es weiterhin bekannt, dass wenigstens ein Paar Stützgelenke quer zur Zustellrichtung verstellbar ist. Die Verstellbarkeit wird dadurch ermöglicht, dass die Stützgelenke jeweils über Gelenkkörper in im Maschinengestell verschiebbar gelagerte Lagerhalbschalen gelagert sind. Die in dieser Schrift offenbarte Lösung ermöglicht zwar ein Aussetzen der Stanzbewegung, jedoch wird hierbei eine Ausweichbewegung eines hoch belasteten Gelenks erforderlich. Deshalb muss im Betrieb vom Aktuator eine permanent hohe Stellkraft aufgebracht werden.From the DE 33 13 790 C2 is another drive for a sheet punching and embossing machine known. The crucible punch press has a first crucible, which is fixedly arranged in a machine frame, and a second crucible, which can be delivered against the first crucible, and which can be adjusted in the feed direction by means of four toggle levers acting on it in an articulated manner. The knee levers are each supported via a support joint against the machine frame and are acted upon by a cam gear. From this document, it is also known that at least one pair of support joints is adjustable transversely to the feed direction. The adjustability is made possible by the fact that the support joints are each mounted on hinge body in the machine frame slidably mounted bearing half shells. Although the solution disclosed in this document makes it possible to suspend the punching movement, however, in this case an evasive movement of a highly loaded joint is required. Therefore, a permanently high actuating force must be applied by the actuator during operation.

Aufgabe der vorliegenden Erfindung ist es deshalb, eine Bogenstanz- und -prägemaschine mit einem Antrieb für den zustellbaren Tiegel zu schaffen, der die geschilderten Nachteile vermeidet.Object of the present invention is therefore to provide a sheet punching and embossing machine with a drive for the deliverable crucible, which avoids the disadvantages described.

Gelöst wird diese Aufgabe durch eine Bogenstanz- und -prägemaschine gemäß den kennzeichnenden Merkmalen von Anspruch 1.This object is achieved by a sheet punching and embossing machine according to the characterizing features of claim 1.

In einer vorteilhaften Ausführungsform wirken die Rollen des Exzenterantriebs jeweils auf zwei übereinander angeordnete keilförmige Unterlagen auf, die gegeneinander verschiebbar sind. Die Keile sind jeweils über eine Verstelleinrichtung verstellbar, wobei der eine Keil zur Stanzkraftverstellung mit einem Verstellmotor versehen ist und der andere Keil zur Notunterbrechung von einem schnell wirkenden Aktuator beaufschlagt wird. Dies hat den Vorteil, dass zum einen die Druckbeistellung über einen Verstellmotor genau einstellbar ist und zum anderen über den schnell wirkenden Aktuator die Stanzkraft schlagartig auf Null verstellt werden kann.In an advantageous embodiment, the rollers of the eccentric drive each act on two superimposed wedge-shaped documents, which are mutually displaceable. The wedges are each adjustable via an adjusting device, wherein the one wedge for punching force adjustment with an adjusting motor is provided and the other wedge for emergency interruption is acted upon by a fast-acting actuator. This has the advantage that on the one hand the Druckbeistellung via an adjusting motor is precisely adjustable and on the other hand via the fast-acting actuator, the punching force can be suddenly adjusted to zero.

In einer besonders vorteilhaften Ausgestaltung ist der Keil zur Notunterbrechung nur in seine beiden Endlagen verstellbar. Dies ermöglicht eine besonders einfache und schnelle Verstellung.In a particularly advantageous embodiment, the wedge for emergency interruption is adjustable only in its two end positions. This allows a particularly simple and quick adjustment.

In einer weiteren bevorzugten Ausführungsform ist der schnell wirkende Aktuator ein Pneumatikzylinder. Hierdurch wird eine schnelle und einfache Verstellung begünstigt.In a further preferred embodiment, the fast-acting actuator is a pneumatic cylinder. As a result, a quick and easy adjustment is favored.

In einer besonders vorteilhaften Ausführungsform verfährt der schnell wirkende Aktuator den Keil zur Notunterbrechung gegen Anschläge. Hierdurch wird eine schnelle Unterbrechung besonders einfach. Des Weiteren lässt sich eine reproduzierbare Stellung zum Arbeitshub einfach wieder erreichen.In a particularly advantageous embodiment, the fast-acting actuator moves the wedge for emergency interruption against attacks. This makes a quick interruption particularly easy. Furthermore, a reproducible position to the working stroke can be easily achieved again.

In den Zeichnungen sind bevorzugte Ausführungen der erfindungsgemäßen Bogenstanz- und -prägemaschine dargestellt.In the drawings preferred embodiments of the sheet punching and embossing machine according to the invention are shown.

Es zeigen:

Fig. 1
den prinzipiellen Aufbau einer Bogenstanz- und -prägemaschine in schematischer Darstellung
Fig. 2
die schematische Darstellung einer erfindungsgemäßen Verstelleinrichtung für den Antrieb einer Bogenstanz- und -prägemaschine
Show it:
Fig. 1
the basic structure of a sheet punching and embossing machine in a schematic representation
Fig. 2
the schematic representation of an adjusting device according to the invention for driving a sheet punching and embossing machine

In Fig. 1 ist der prinzipielle Aufbau einer Bogenstanz- und -prägemaschine 100 zum Stanzen, Ausbrechen und Ablegen von Bögen aus Papier, Pappe und dergleichen dargestellt. Die Stanz- und Prägemaschine 100 besitzt einen Anleger 1, eine Stanzstation 2, eine Ausbrechstation 3 und einen Ausleger 4, die von einem gemeinsamen Maschinengehäuse 5 getragen und umschlossen werden.In Fig. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking and depositing sheets of paper, cardboard and the like is shown. The punching and embossing machine 100 has a feeder 1, a punching station 2, a breaking station 3 and a boom 4, which are supported and enclosed by a common machine housing 5.

Die Bogen 6 werden durch einen Anleger 1 von einem Stapel vereinzelt und über einen Zuführtisch 16 der Bogenstanz- und -prägemaschine 100 zugeführt und von Greifern an ihrer Vorderkante ergriffen und intermittierend in Bogenförderrichtung F durch die verschiedenen Stationen 2, 3 und 4 der Stanz- und Prägemaschine 100 hindurchgezogen. Die Greifer sind hierbei an Greiferstangen 8 und diese wiederum an einem Transportsystem 7 befestigt.The sheets 6 are separated by a feeder 1 from a stack and fed via a feed table 16 of the sheet punching and embossing machine 100 and grabbed by grippers at its front edge and intermittently in the sheet conveying direction F through the various stations 2, 3 and 4 of the punching and Embossing machine 100 pulled through. The grippers are in this case attached to gripper bars 8 and these in turn to a transport system 7.

Die Stanzstation 2 besteht aus einem Untertisch 9 und einem Obertisch 10. Der Untertisch 9 ist fest im Maschinengestell gelagert und mit einer nicht näher dargstellten Gegenplatte zu den Stanzmessern versehen. Der Obertisch ist vertikal auf und ab bewegbar gelagert und ist mit den Stanz- und Rillmessern versehen.The punching station 2 consists of a lower table 9 and an upper table 10. The lower table 9 is fixedly mounted in the machine frame and provided with an unspecified dargstellten counter plate to the punching blades. The upper table is mounted vertically movable up and down and is provided with the punching and Rillmessern.

Die Greifer an den Greiferstangen 8 transportieren den Bogen 6 von der Stanz- und Prägestation 2 in die nachfolgende Ausbrechstation 3, die mit Ausbrechwerkzeugen ausgestattet ist. In der Ausbrechstation 3 werden mit Hilfe der Ausbrechwerkzeuge die nicht benötigten Abfallstücke aus dem Bogen 6 nach unten herausgestoßen, wodurch die Abfallstücke 11 in einen unter der Station eingeschobenen behälterartigen Wagen 12 fallen.The grippers on the gripper bars 8 transport the sheet 6 from the punching and embossing station 2 in the subsequent breaking station 3, which is equipped with breakout tools. In the breaking station 3, the unwanted pieces of waste are pushed out of the sheet 6 downwards with the aid of the stripping tools, whereby the waste pieces 11 fall into a container-like carriage 12 inserted below the station.

Von der Ausbrechstation 3 gelangt der Bogen in den Ausleger 4, wo der Bogen entweder nur einfach abgelegt wird, oder aber gleichzeitig eine Trennung in einzelne Nutzen erfolgt. Der Ausleger 4 kann auch eine Palette 13 enthalten, auf der die einzelnen Bögen in Form eines Stapels 14 aufgestapelt werden, so dass nach Erreichen einer bestimmten Stapelhöhe die Paletten mit den aufgestapelten Bögen 14 aus dem Bereich der Stanz- und -prägemaschine 100 weggefahren werden können.From the stripping station 3, the sheet enters the boom 4, where the sheet is either simply stored, or at the same time there is a separation into individual benefits. The boom 4 may also include a pallet 13, on which the individual sheets are stacked in the form of a stack 14, so that after reaching a certain stack height, the pallets can be moved away with the stacked sheets 14 from the field of punching and embossing machine 100 ,

In Fig. 2 ist eine erfindungsgemäße Verstelleinrichtung für den Antriebe einer Bogenstanz- und -prägemaschine schematisch dargestellt. Bei dem dargestellten Antrieb des Obertisches handelt es sich um einen Exzenterantrieb, der sich für den Antrieb von Stanzeinrichtungen besonders bewährt hat. Üblicherweise wird der Obertisch durch zwei Exzenterwellen angetrieben, von denen in Fig. 2 jedoch nur eine dargestellt ist. Der Exzenterantrieb besteht aus einer Exzenterwelle 15, die in nicht näher dargestellter Weise um die Achse 17 drehbar vom nicht dargestellten Joch getragen wird. Die Exzenterwelle 15 wird mittels eines nicht dargestellten Stirnradgetriebes angetrieben. An den Enden der Exzenterwelle 15 sitzt je eine wälzgelagerte Rolle16. An den Berührungsflächen zwischen Rollen 16 und Obertisch 10 sind Keile 18, 19 angeordnet. Die Keile 18, 19 sind dabei so angeordnet, dass sie sich mit ihren schrägen Seiten 18' und 19' berühren, wobei der Keil 19 eine schiefe Ebene bildet, auf der Keil 18 verstellbar ist. Der Keil 18 ist über eine Verstellvorrichtung, beispielsweise eine Gewindespindel 24, mit einem Motor 21 verbunden. Über diese Verstellanordnung kann eine Stanzdruckverstellung bewirkt werden, indem der Keil 18 in die Pfeilrichtungen des Pfeils A verschoben wird. Durch diese Anordnung lässt sich die Stanzdruckverstellung sehr fein justieren. Wie oben schon erwähnt, wird der Obertisch 10 üblicherweise durch zwei Exzenterrollen 15 angetrieben, die je an den Enden eine wälzgelagerte Rolle 16 aufweisen. Folglich gibt es vier Keilanordnungen 18, 19, über die eine Einstellung des Stanzdruckes ermöglicht wird.In Fig. 2 an adjusting device according to the invention for the drives of a sheet punching and embossing machine is shown schematically. In the illustrated drive of the upper table is an eccentric, which has proven particularly useful for driving punching equipment. Usually, the upper table is driven by two eccentric shafts, of which in Fig. 2 however, only one is shown. The eccentric consists of an eccentric shaft 15, which in a manner not shown about the axis 17 is rotatably supported by the yoke, not shown. The eccentric shaft 15 is driven by means of a spur gear, not shown. At the ends of the eccentric shaft 15 sits each a roller bearing roller16. At the contact surfaces between rollers 16 and upper table 10 wedges 18, 19 are arranged. The wedges 18, 19 are arranged so that they touch with their oblique sides 18 'and 19', wherein the wedge 19 forms an inclined plane on the wedge 18 is adjustable. The wedge 18 is connected via an adjusting device, for example a threaded spindle 24, with a motor 21. About this adjustment arrangement, a punching pressure adjustment can be effected by the wedge 18 is moved in the arrow directions of the arrow A. By this arrangement, the punching pressure adjustment can be very finely adjusted. As mentioned above, the upper table 10 is usually driven by two eccentric rollers 15, each having a roller bearing roller 16 at the ends. Consequently, there are four wedge assemblies 18, 19, via which an adjustment of the punching pressure is made possible.

Der untere Keil 19 ist mit einem Pneumatikzylinder 22 verbunden. Der Pneumatikzylinder wird über Druckleitungen 23, 23' entsprechend mit Druckluft beaufschlagt, so dass er den Keil 19 in die Richtungen des Pfeils B von Anschlag 20 zu Anschlag 20' und umgekehrt schlagartig verstellen kann. Hierdurch ist ein schnelles Zurückfahren des Stanzdruckes auf Null gewährleistet. Es ist natürlich ebenso denkbar, die Verstelleinrichtung für den Keil 19 mittels anderer schnell wirkender Aktuatoren zu bewirken.The lower wedge 19 is connected to a pneumatic cylinder 22. The pneumatic cylinder is acted upon by compressed air via pressure lines 23, 23 ', so that it can adjust the wedge 19 in the directions of the arrow B from stop 20 to stop 20' and vice versa abruptly. This ensures a quick return of the punching pressure to zero. Of course, it is also conceivable to effect the adjusting device for the wedge 19 by means of other fast-acting actuators.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11 Anlegerinvestor 1818 Keilwedge 22 Stanzstationpunching station 18'18 ' Schrägseiteoblique side 33 Ausbrechstationstripping 1919 Keilwedge 44 Auslegerboom 19'19 ' Schrägseiteoblique side 55 Maschinengehäusemachine housing 20, 20'20, 20 ' Anschlagattack 66 Bogenbow 2121 Motorengine 77 Transportsystemtransport system 2222 Pneumatikzylinderpneumatic cylinder 88th Greiferstangengripper bars 23, 23'23, 23 ' DruckluftanschlüsseCompressed air connections 99 Untertischunder table 2424 Gewindespindelscrew 1010 Obertischovertable 100100 Bogenstanz- undBow punching and 1111 Abfallstücketrimmings -prägemaschineembossing machine 1212 Wagendare 1313 Palettepalette FF BogenförderrichtungSheet conveying direction 1414 Stapelstack AA Pfeilarrow 1515 Exzenterwelleeccentric shaft BB Pfeilarrow 1616 Rollerole CC Pfeilarrow 1717 Achseaxis

Claims (4)

  1. Sheet-fed diecutting and embossing machine (100) including at least one diecutting station (2) and a transport device (7) for the sheets to be diecut, the diecutting station comprising a first platen (9) fixedly arranged in a machine frame and a second driven platen (10) that is movable into engagement with the first platen (10), the movable platen (10) being moved by at least one eccentric drive that includes an eccentric shaft (15) at the ends of which rollers (16) are supported,
    characterized by
    the fact that the rollers (16) act upon two respective wedge-shaped pads (18, 19) that are arranged one above the other and are adjustable by a respective adjustment device (21, 22), one of the wedges (18) being equipped with an adjustment motor (21) to adjust the diecutting force and the other wedge (19) being acted upon by a quick-acting actuator (22) to carry out an emergency stop or fast shut-down.
  2. Sheet-fed diecutting and embossing machine as set forth in Claim 1 or 2,
    characterized by
    the fact that the quick-acting actuator (22) is a pneumatic cylinder.
  3. Sheet-fed diecutting and embossing machine as set forth in Claim 1,
    characterized by
    the fact that the other wedge (19) for emergency stops is only adjustable into its two end positions.
  4. Sheet-fed diecutting and embossing machine according to one of the preceding claims,
    characterized by
    the fact that the quick-acting actuator adjusts the wedge for emergency stops against stops (20, 20').
EP08101795A 2007-03-16 2008-02-20 Sheet-fed punching and embossing press Not-in-force EP1970173B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007012638A DE102007012638A1 (en) 2007-03-16 2007-03-16 Sheet punching and embossing machine

Publications (2)

Publication Number Publication Date
EP1970173A1 EP1970173A1 (en) 2008-09-17
EP1970173B1 true EP1970173B1 (en) 2011-09-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08101795A Not-in-force EP1970173B1 (en) 2007-03-16 2008-02-20 Sheet-fed punching and embossing press

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EP (1) EP1970173B1 (en)
CN (1) CN101264609B (en)
AT (1) ATE524281T1 (en)
DE (1) DE102007012638A1 (en)

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CN106945083A (en) * 2017-05-11 2017-07-14 昆山佑威光电材料有限公司 Can accurate disrumpent feelings lamination coating board

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DE102010021063A1 (en) 2010-05-19 2011-11-24 Heidelberger Druckmaschinen Ag Punching and / or embossing device
DE102010024778A1 (en) 2010-06-23 2011-12-29 Heidelberger Druckmaschinen Ag Storage and pay dividing station for a sheet punching machine
DE102011118905A1 (en) * 2010-12-16 2012-06-21 Heidelberger Druckmaschinen Aktiengesellschaft Processing station for sheet punching and/or embossing machine, has pushrod for shifting clamping element against spring force of spring tensioning device for stopping clamping operation
CN102658560B (en) * 2012-04-10 2014-08-13 昆山宝裕吸塑厂 Novel shearing and trimming machine
DE102012017636A1 (en) * 2012-09-06 2013-11-07 Heidelberger Druckmaschinen Ag Method for determining the need for dressing and method for creating a finishing bow
DE102012019991A1 (en) * 2012-10-12 2014-04-17 Heidelberger Druckmaschinen Ag Drive device and punching machine with such a drive device
CN103862859B (en) * 2014-02-28 2017-01-11 天津长荣印刷设备股份有限公司 Pressure automatic adjusting system and work method thereof
JP6550481B2 (en) * 2018-01-11 2019-07-24 株式会社アマダホールディングス Press machine and press processing method
IT201800003156A1 (en) * 2018-03-01 2019-09-01 Officina Mecc Bibo Srl DEVICE FOR AUTOMATIC ADJUSTMENT OF THE STROKE OF THE PRESSING TOOLS

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Also Published As

Publication number Publication date
DE102007012638A1 (en) 2008-09-18
CN101264609B (en) 2012-11-28
EP1970173A1 (en) 2008-09-17
CN101264609A (en) 2008-09-17
ATE524281T1 (en) 2011-09-15

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