EP2366511B1 - Separating device for detaching blanks with adjustable sheet braking device - Google Patents

Separating device for detaching blanks with adjustable sheet braking device Download PDF

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Publication number
EP2366511B1
EP2366511B1 EP11155315.2A EP11155315A EP2366511B1 EP 2366511 B1 EP2366511 B1 EP 2366511B1 EP 11155315 A EP11155315 A EP 11155315A EP 2366511 B1 EP2366511 B1 EP 2366511B1
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EP
European Patent Office
Prior art keywords
suction belt
sheet
copy separation
separation station
copy
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
EP11155315.2A
Other languages
German (de)
French (fr)
Other versions
EP2366511A1 (en
Inventor
Frank Schmid
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.)
Masterwork Group Co Ltd
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Masterwork Group Co Ltd
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Filing date
Publication date
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Publication of EP2366511A1 publication Critical patent/EP2366511A1/en
Application granted granted Critical
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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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B65H29/686—Pneumatic brakes
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • 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
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/022—Holders for feeding or positioning blanks or webs
    • B31B50/024—Rotating holders, e.g. star wheels, drums
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/09—Function indicators indicating that several of an entity are present
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/13—Actuating means linear magnetic, e.g. induction motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/42—Die-cutting

Definitions

  • the invention relates to a blanking station of a sheet punching and / or embossing machine according to claim 1 and a sheet punching and / or embossing machine according to claim 8.
  • Sheet processing machines usually have a feeder, work stations, and a boom. From a stack of sheets in the feeder, an uppermost sheet is separated and transferred to a transport system. The transport system transports the sheet through the processing station to the delivery.
  • a well-known transport system are rotating gripper carriage. These each consist of a cross bar, are attached to the gripper, with which the sheet is gripped at its front edge and the ends are attached to a lateral chain hoist, which guides the gripper carriage through the machine.
  • the sheet For processing and delivery, the sheet must be braked to a standstill. This happens on the one hand by braking the gripper carriage and in addition by further sheet brakes.
  • the sheet-processing machine can be, for example, sheet-fed presses or, in particular, sheet-punching and embossing machines.
  • punching 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. Also the practices practiced in print finishing, such as punching with punch, corner punching and register punching are counted to this area.
  • the punching takes place against a punching pad or against stamp, in some cases it is also shearing operations.
  • 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.
  • Such a flat bed punch is for example from the DE 30 44 083 A1 known.
  • the two tables are equipped with cutting and scoring tools or corresponding counter tools with which punched out of the cyclically guided between the table surface sheets the benefits and at the same time pressed the necessary for clean folding grooves. In the 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 designatedboctrenn issued.
  • the blanking tool must be created individually according to the stamping and the benefit distribution. It comes here usually ejector used. These ejector push out of the cardboard sheet the individual benefits through a grid-like abutment and solve the cardboard bridges between sheet and benefits, ie the so-called breakpoints.
  • the sheet must be braked from transport speed to standstill. Since the sheet weakened from the previous cut arrives at the stations at a high speed, the sole deceleration of the front gripper bar may cause the rear part of it to be pushed open, a so-called “bulging" of the sheet. This is to be achieved by additional braking devices, which are on the surface of the Bow act, be prevented.
  • the streamlined sheet can then be processed with higher accuracy or stored edge to edge.
  • the DE 695 00 514 T2 shows, for example, a sheet brake device with brushes.
  • the brake brushes are aligned obliquely to the sheet transport direction and exercise by applying a light braking force on the bow.
  • the disadvantage is that this can cause marks on the sheet.
  • pneumatic sheet brakes are used, such as from DE 102 59 556 A1 known. These are located in the immediate vicinity of the bow and provide a negative pressure, which acts as a braking force on the moving past the pneumatic sheet brake arc. Pneumatic sheet brakes have the advantage over mechanical sheet brakes that the sheet surface is not affected, and markings can be avoided. The operation of pneumatic sheet brakes is based on the Venturi effect.
  • the EP 1 108 671 A2 shows a sheet brake system for a boom of a sheet-processing machine with a circulating brake band.
  • the brake band has a suction area, which exerts a suction effect on a bow to be braked.
  • the brake band undergoes periodic deceleration and acceleration phases, ie it is clocked with the sheet transport. During the duration of a deceleration phase of a bow, the brake band of the brake band is covered by the sheet to be braked.
  • the device has both acting on the entire sheet width sheet brake, which acts frictionally, as well as a pickup gripper and a squeegee, which are located in the rear of the boom. Since the sheets are to be recorded and released again at different times depending on the operating state or material properties for optimal storage, the suction strip is arranged displaceably in the sheet transport direction.
  • a braking station with a plurality of Saugbandmodulen out.
  • the suction belt modules can be individually positioned transversely to the conveying direction.
  • Object of the present invention is to develop a sheet punching and / or embossing machine so that a simple adaptation of the sheet brake system of Nutzsevenstation a sheet punching and / or embossing machine is made possible while a safe braking of the sheet is supported.
  • the utility and separation station according to the invention has upstream of the regardstrenngitters a plurality of Saugbandmodulen which are transversely displaceable to a sheet transport direction. Because the Saugbandmodule are individually displaceable and positionable, a simple adaptation of the Saugbandmodule, which fulfill the function of a sheet brake, to the contour of therictrenngitters possible.
  • the Thetrennstation invention is suitable for a sheet punching and / embossing machine for separating transported in a sheet transport direction in therictrennstation individual benefits of a sheet of paper, cardboard, plastic, inmold or the like, the
  • trennstation next to a respecttrenngitter as a solid lower tool on may have a stamped hubbewegliches upper tool.
  • a respective suction belt module has a suction belt with an upper run in a sheet transport plane, wherein the sheets in the transport plane can be braked by the upper run of the suction belt.
  • a respective suction belt module has a suction chamber.
  • the effective length of the suction belt is variable.
  • the effective length of the suction belt can in particular be adjustable so that it corresponds approximately to the distance of the downstream edge of the relativetrennstation from the downstream edge and the downstream edges of the respectivelytrenngitters.
  • a respective Saugbandmodul further comprises a device for the length compensation of the suction belt.
  • the respectivelytrennstation has an electric motor for driving the suction belts.
  • a respective suction belt module has its own electric motor for driving the suction belt of the respective suction belt module.
  • a respective suction band made of electrically conductive material, or the respective suction belt contains electrically conductive material, such as metal filaments, which are integrated into the suction belt in a particularly advantageous embodiment of the Trotrennstation invention.
  • at least one of the suction belt modules has an electrical discharge device or ionization device, by means of which the respective suction belt can be actively ionized and thus an arc braked by the respective suction belt can be unloaded.
  • the invention also provides a sheet punching and / or embossing machine with a depaneling station as described above.
  • FIG. 1 the basic structure of a sheet punching and / or 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 and mounted on revolving chains 7 gripper carriage 8 with grippers on her Front edge taken and pulled intermittently in the sheet transport plane E in the sheet transport direction F through the various stations 2, 3 and 4 of the punching and embossing machine 100 therethrough.
  • the sheet transport system 7 has a plurality of gripper carriages 8, so that a plurality of sheets 6 can be processed simultaneously in the various stations 2, 3 and 4.
  • 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 a counter plate to the punching knife.
  • the upper table 10 is supported vertically movable back and forth.
  • the gripper carriage 8 transports 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 sheet From the breaking station 3, the sheet enters the boom 4 with
  • the lower tool 19 is designed as a
  • the lower tool 19 is designed as a
  • the inlet area of the depaneling station 4 there is a sheet brake device 20.
  • the inlet area of the depaneling station is understood to mean the area between the inlet edge of the station and the trailing edge of the depaneling tool.
  • 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 shows a section of aforementionedtrennstation 4 according to the invention, for better clarity, the upper tool 18 is not shown.
  • the lower tool 19 of the depaneling station 4 is designed as a blanking grid 40.
  • the Americantrenngitter 40 rests on support rails 41, which are each received by a first support surface 50 and a second support surface 51.
  • An in Sheet transport plane E in the sheet transport direction F transported sheet 6 is decelerated by lying in the sheet transport plane E upper run of a suction belt 23.
  • the suction belt 23 is part of a suction belt module 21.
  • a respective Saugbandmodul 21 has a suction chamber 22 which is connected to a vacuum generator, not shown.
  • the suction belt 23 is guided over deflection rollers 25 and driven by a suction belt drive 27.
  • the suction belt drive 27 may include an electric motor.
  • the suction belt 23 is designed such that a length adjustment b1 of the effective upper run of the suction belt is made possible. In order to compensate for the length adjustment b1 of the suction belt 23, a length compensation b2 takes place by means of a device 24 for length compensation.
  • the effective length 1 of the suction belt 23 can be adjusted so that it extends almost to the entire distance between the trailing edge H1 of the pay dividing station 4 from the trailing edge H2 of the respectivelytrenngitters 40.
  • a respective Saugbandmodul 21 is, as indicated by the double arrow a, transversely to the sheet transport direction F slidably so that the Saugbandmodule 21 can be moved so that it does not interfere with the support rails 41st of therictrenngitters 40 collide.
  • the braking device 20 can also be adapted to other outer contours of the
  • the illustrated blanking grid 40 has a nose at its downstream edge.
  • FIG. 4 an alternative embodiment of a Saugbandmoduls 21 is shown.
  • This has the same elements as that of the FIG. 2
  • it has an electrical discharge device or ionization device (ionizer) 26, which allows active ionization of the suction belt 23.
  • ionizer electrical discharge device or ionization device

Description

Die Erfindung betrifft eine Nutzentrennstation einer Bogenstanz- und / oder - prägemaschine gemäß Anspruch 1 und eine Bogenstanz- und / oder -prägemaschine gemäß Anspruch 8.The invention relates to a blanking station of a sheet punching and / or embossing machine according to claim 1 and a sheet punching and / or embossing machine according to claim 8.

Stand der TechnikState of the art

Bogenbearbeitende Maschinen besitzen gewöhnlich einen Anleger, Bearbeitungsstationen und einen Ausleger. Von einem im Anleger befindlichen Bogenstapel wird ein zuoberst liegender Bogen vereinzelt und an ein Transportsystem übergeben. Das Transportsystem transportiert den Bogen durch die Bearbeitungsstation bis zur Auslage. Ein bekanntes Transportsystem sind umlaufende Greiferwagen. Diese bestehen jeweils aus einer Querstange, an der Greifer angebracht sind, mit welchen der Bogen an seinem Vorderrand ergriffen wird und deren Enden an einem seitlichen Kettenzug befestigt sind, der die Greiferwagen durch die Maschine führt. Zur Bearbeitung und zur Auslage muss der Bogen bis zum Stillstand abgebremst werden. Dies geschieht zum einen durch Abbremsen der Greiferwagen als auch zusätzlich durch weitere Bogenbremsen. Bei der Bogenbearbeitenden Maschine kann es sich beispielsweise um Bogendruckmaschinen oder insbesondere Bogenstanz- und -prägemaschinen handeln.Sheet processing machines usually have a feeder, work stations, and a boom. From a stack of sheets in the feeder, an uppermost sheet is separated and transferred to a transport system. The transport system transports the sheet through the processing station to the delivery. A well-known transport system are rotating gripper carriage. These each consist of a cross bar, are attached to the gripper, with which the sheet is gripped at its front edge and the ends are attached to a lateral chain hoist, which guides the gripper carriage through the machine. For processing and delivery, the sheet must be braked to a standstill. This happens on the one hand by braking the gripper carriage and in addition by further sheet brakes. The sheet-processing machine can be, for example, sheet-fed presses or, in particular, sheet-punching and embossing machines.

Als Stanzen wird das Schneiden mit in sich geschlossenen geometrischen Zuschnittsformen bezeichnet, die kreisförmig, oval oder mehreckig sowie Phantasieformen aller Art sein können. Auch die in der Druckweiterverarbeitung geübten Praktiken, wie Stanzen mit Locheisen, Eckenabstoßen und Registerstanzen werden zu diesem Bereich gezählt. Die Stanzung erfolgt gegen eine Stanzunterlage oder gegen Stempel, teilweise sind es auch Schervorgänge. 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 Ausführung 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. Diesen Ansprüchen wird das Flachbettstanzen am besten gerecht. Dabei werden die gedruckten und auf einer Palette gestapelten Bogen der Stanzmaschine 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 fest gelagerten Untertisch und einem über einen Kniehebel oder Exzentergetriebe vertikal bewegbaren Obertisch positioniert.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. Also the practices practiced in print finishing, such as punching with punch, corner punching and register punching are counted to this area. The punching takes place against a punching pad or against stamp, in some cases it is also shearing operations. 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. As it is When it comes to sophisticated packaging in terms of technical and graphic design (such as packaging for cosmetics, cigarettes, pharmaceuticals, foodstuffs, etc.), special requirements are not only placed on the packaging materials themselves, but also on stamping tools with the lowest tolerances for optimum results and extremely precise and reliable punching machines required. Flatbed punching best meets these demands. The printed sheets stacked on a pallet are fed to the punching 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 fixed undercounter and a vertical over a knee lever or eccentric upper table.

Eine derartige Flachbettstanze ist beispielsweise aus der DE 30 44 083 A1 bekannt. Die beiden Tische sind mit Schneid- und Rillwerkzeugen bzw. entsprechenden Gegenwerkzeugen bestückt, mit denen aus dem taktweise zwischen die Tischfläche geführten Bögen die Nutzen ausgestanzt und gleichzeitig die zum sauberen Falten notwendigen Rillen eingedrückt werden. In der 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.
Das Nutzentrennwerkzeug muss dabei individuell entsprechend der Stanzform und der Nutzenaufteilung erstellt werden. Es kommen hier in der Regel Ausstoßkörper zum Einsatz. Diese Ausstoßkörper drücken aus dem Kartonbogen die einzelnen Nutzen durch ein gitterartiges Widerlager und lösen dabei die Kartonbrücken zwischen Bogen und Nutzen, d. h. die sogenannten Haltepunkte.Such a flat bed punch is for example from the DE 30 44 083 A1 known. The two tables are equipped with cutting and scoring tools or corresponding counter tools with which punched out of the cyclically guided between the table surface sheets the benefits and at the same time pressed the necessary for clean folding grooves. In the 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.
The blanking tool must be created individually according to the stamping and the benefit distribution. It comes here usually ejector used. These ejector push out of the cardboard sheet the individual benefits through a grid-like abutment and solve the cardboard bridges between sheet and benefits, ie the so-called breakpoints.

Sowohl in der Ausbrechstation als auch in der Nutzentrennstation mit Bogenauslage muss der Bogen von der Transportgeschwindigkeit bis zum Stillstand abgebremst werden. Da der vom vorhergehenden Zuschnitt geschwächte Bogen mit hoher Geschwindigkeit in den Stationen eintrifft, kann die alleinige Verlangsamung der vorderen Greiferstange ein Aufschieben seines hinteren Teils, ein sogenanntes "Aufbauchen" des Bogens, hervorrufen. Dies soll durch zusätzliche Bremsvorrichtungen, welche auf die Fläche des Bogens wirken, verhindert werden. Der gestraffte Bogen kann dann mit höherer Genauigkeit bearbeitet bzw. kantengenau abgelegt werden.Both in the stripping station and in the blanking station with sheet delivery, the sheet must be braked from transport speed to standstill. Since the sheet weakened from the previous cut arrives at the stations at a high speed, the sole deceleration of the front gripper bar may cause the rear part of it to be pushed open, a so-called "bulging" of the sheet. This is to be achieved by additional braking devices, which are on the surface of the Bow act, be prevented. The streamlined sheet can then be processed with higher accuracy or stored edge to edge.

Aus dem Stand der Technik sind verschiedene Bogenbremsvorrichtungstypen bekannt.Various types of sheet brake devices are known in the art.

Die DE 695 00 514 T2 zeigt beispielsweise eine Bogenbremsvorrichtung mit Bürsten. Die Bremsbürsten sind schräg zur Bogentransportrichtung ausgerichtet und üben durch leichten Druck eine Bremskraft auf den Bogen aus. Nachteilig ist, dass dadurch Markierungen auf den Bogen entstehen können.The DE 695 00 514 T2 shows, for example, a sheet brake device with brushes. The brake brushes are aligned obliquely to the sheet transport direction and exercise by applying a light braking force on the bow. The disadvantage is that this can cause marks on the sheet.

In einer alternativen Lösung kommen pneumatische Bogenbremsen zum Einsatz, wie z.B. aus der DE 102 59 556 A1 bekannt. Diese befinden sich in direkter Nähe des Bogens und stellen einen Unterdruck bereit, welcher als Bremskraft auf die sich an der pneumatischen Bogenbremse vorbei bewegenden Bogen wirkt. Pneumatische Bogenbremsen haben gegenüber mechanischen Bogenbremsen den Vorteil, dass die Bogenoberfläche nicht beeinträchtigt wird, und Markierungen so vermieden werden können. Die Funktionsweise pneumatischer Bogenbremsen basiert auf dem Venturi-Effekt.In an alternative solution pneumatic sheet brakes are used, such as from DE 102 59 556 A1 known. These are located in the immediate vicinity of the bow and provide a negative pressure, which acts as a braking force on the moving past the pneumatic sheet brake arc. Pneumatic sheet brakes have the advantage over mechanical sheet brakes that the sheet surface is not affected, and markings can be avoided. The operation of pneumatic sheet brakes is based on the Venturi effect.

Die EP 1 108 671 A2 zeigt ein Bogenbremssystem für einen Ausleger einer Bogen verarbeitenden Maschine mit einem umlaufenden Bremsband. Das Bremsband besitzt einen Saugbereich, welcher eine Sogwirkung auf einen abzubremsenden Bogen ausübt. Das Bremsband durchläuft periodische Verzögerungs- und Beschleunigungsphasen, d.h. es ist mit dem Bogentransport getaktet. Während der Dauer einer Verzögerungsphase eines Bogens ist der Bremstrum des Bremsbandes von dem abzubremsenden Bogen überdeckt.The EP 1 108 671 A2 shows a sheet brake system for a boom of a sheet-processing machine with a circulating brake band. The brake band has a suction area, which exerts a suction effect on a bow to be braked. The brake band undergoes periodic deceleration and acceleration phases, ie it is clocked with the sheet transport. During the duration of a deceleration phase of a bow, the brake band of the brake band is covered by the sheet to be braked.

Aus der DE 10 2004 022 235 A1 geht eine Vorrichtung zur Bogenablage in einem Bogenausleger einer Bogendruckmaschine hervor. Die Vorrichtung besitzt sowohl eine auf die ganze Bogenbreite wirkende Bogenbremse, welche kraftschlüssig wirkt, als auch einen Abnahmegreifer und eine Saugleiste, welche sich im hinteren Bereich des Auslegers befinden. Da die Bogen je nach Betriebszustand oder Materialeigenschaften für eine optimale Ablage zu unterschiedlichen Zeitpunkten erfasst und wieder freigegeben werden sollen, ist die Saugleiste in Bogentransportrichtung verschiebbar angeordnet.From the DE 10 2004 022 235 A1 goes out a device for sheet storage in a sheet delivery of a sheet-fed press. The device has both acting on the entire sheet width sheet brake, which acts frictionally, as well as a pickup gripper and a squeegee, which are located in the rear of the boom. Since the sheets are to be recorded and released again at different times depending on the operating state or material properties for optimal storage, the suction strip is arranged displaceably in the sheet transport direction.

Aus der DE 10 2004 030 277 B4 und der EP 1 882 661 A2 geht jeweils eine Bremsstation mit einer Mehrzahl von Saugbandmodulen hervor. Die Saugbandmodule sind quer zur Förderrichtung individuell positionierbar.From the DE 10 2004 030 277 B4 and the EP 1 882 661 A2 In each case, a braking station with a plurality of Saugbandmodulen out. The suction belt modules can be individually positioned transversely to the conveying direction.

Allen aus dem Stand der Technik bekannten Bogenbremssystemen ist gemein, dass eine Anpassung des Bogenbremsensystems an ein in der Nutzentrennstation einer Bogenstanz- und / oder -prägemaschine verwendetes Werkzeug und dessen Dimensionen nicht einfach möglich ist.All known from the prior art sheet brake systems has in common that an adaptation of the sheet brake system to a tool used in the Nutzentrennstation a sheet punching and / or embossing machine and its dimensions is not easily possible.

Aufgabenstellungtask

Aufgabe der vorliegenden Erfindung ist es, eine Bogenstanz- und / oder -prägemaschine so weiter zu entwickeln, dass eine einfache Anpassung des Bogenbremsensystems der Nutzentrennstation einer Bogenstanz- und / oder -prägemaschine ermöglicht wird und gleichzeitig ein sicheres Abbremsen des Bogens unterstützt wird.Object of the present invention is to develop a sheet punching and / or embossing machine so that a simple adaptation of the sheet brake system of Nutzsevenstation a sheet punching and / or embossing machine is made possible while a safe braking of the sheet is supported.

Gelöst wird diese Aufgabe durch eine Nutzentrennstation einer Bogenstanz- und / oder - prägemaschine gemäß den kennzeichnenden Merkmalen von Anspruch 1 und durch eine Bogenstanz- und / oder -prägemaschine gemäß Anspruch 8.This object is achieved by a blanking station of a sheet punching and / or embossing machine according to the characterizing features of claim 1 and by a sheet punching and / or embossing machine according to claim 8.

Die erfindungsgemäße Nutz- und Trennstation besitzt stromaufwärtig des Nutzentrenngitters eine Mehrzahl von Saugbandmodulen, welche quer verschieblich zu einer Bogentransportrichtung sind. Weil die Saugbandmodule einzeln verschieblich und positionierbar sind, ist eine einfache Anpassung der Saugbandmodule, welche die Funktion einer Bogenbremse erfüllen, an die Kontur des Nutzentrenngitters möglich. Die erfindungsgemäße Nutzentrennstation ist dabei geeignet, für eine Bogenstanz- und/Prägemaschine zum Trennen von in einer Bogentransportrichtung in die Nutzentrennstation transportierten einzelnen Nutzen aus einem Bogen aus Papier, Pappe, Kunststoff, Inmold oder dergleichen, wobei die Nutzentrennstation neben einem Nutzentrenngitter als festem Unterwerkzeug weiter ein mit Stempeln versehenes hubbewegliches Oberwerkzeug besitzen kann.The utility and separation station according to the invention has upstream of the Nutzentrenngitters a plurality of Saugbandmodulen which are transversely displaceable to a sheet transport direction. Because the Saugbandmodule are individually displaceable and positionable, a simple adaptation of the Saugbandmodule, which fulfill the function of a sheet brake, to the contour of the Nutzentrenngitters possible. The Nutzentrennstation invention is suitable for a sheet punching and / embossing machine for separating transported in a sheet transport direction in the Nutzentrennstation individual benefits of a sheet of paper, cardboard, plastic, inmold or the like, the Nutzentrennstation next to a Nutzentrenngitter as a solid lower tool on may have a stamped hubbewegliches upper tool.

Erfindungsgemäß weist ein jeweiliges Saugbandmodul ein Saugband mit einem oberen Trum in einer Bogentransportebene auf, wobei die Bogen in der Transportebene durch den oberen Trum des Saugbandes abgebremst werden können. Zum Erzeugen einer Saugluft, welche durch das Saugband auf einen jeweiligen Bogen wirkt, besitzt ein jeweiliges Saugbandmodul eine Saugkammer. Erfindungsgemäß ist die wirksame Länge des Saugbandes veränderbar.According to the invention, a respective suction belt module has a suction belt with an upper run in a sheet transport plane, wherein the sheets in the transport plane can be braked by the upper run of the suction belt. For generating a suction air which acts on a respective sheet through the suction belt, a respective suction belt module has a suction chamber. According to the invention, the effective length of the suction belt is variable.

Die wirksame Länge des Saugbandes kann dabei insbesondere derart einstellbar sein, dass sie in etwa dem Abstand der stromabwärtigen Kante der Nutzentrennstation von der stromabwärtigen Kante bzw. den stromabwärtigen Kanten des Nutzentrenngitters entspricht. Dazu weist ein jeweiliges Saugbandmodul weiterhin eine Einrichtung für den Längenausgleich des Saugbandes auf.The effective length of the suction belt can in particular be adjustable so that it corresponds approximately to the distance of the downstream edge of the Nutzentrennstation from the downstream edge and the downstream edges of the Nutzentrenngitters. For this purpose, a respective Saugbandmodul further comprises a device for the length compensation of the suction belt.

In einer Weiterbildung der Nutzentrennstation wird ein jeweiliges Saugband über Umlenkrollen geführt. Gemäß einer ersten Ausführungsform besitzt die Nutzentrennstation einen Elektromotor zum Antreiben der Saugbänder. In einer zweiten Ausführungsform weist ein jeweiliges Saugbandmodul einen eigenen Elektromotor auf zum Antreiben des Saugbandes des jeweiligen Saugbandmoduls.In a development of the Nutzentrennstation a respective suction belt is guided over deflection rollers. According to a first embodiment, the Nutzentrennstation has an electric motor for driving the suction belts. In a second embodiment, a respective suction belt module has its own electric motor for driving the suction belt of the respective suction belt module.

Beim Transport der Bogen von einer der Nutzentrennstation vorgelagerten Bearbeitungsstation, z.B. einer Stanzstation, in die Nutzentrennstation, erfahren die Bogen an ihrer Unterseite eine elektrische Aufladung. Daher ist in einer besonders vorteilhaften Weiterbildung der erfindungsgemäßen Nutzentrennstation eine Antistatikeinrichtung vorgesehen: so ist gemäß einer ersten Ausführungsvariante ein jeweiliges Saugband aus elektrisch leitfähigem Material hergestellt, oder das jeweilige Saugband enthält elektrisch leitfähiges Material, z.B. Metallfäden, welche in das Saugband integriert sind. Gemäß einer zweiten Ausführungsvariante besitzt zumindest eines der Saugbandmodule eine elektrische Entladungseinrichtung oder Ionisierungseinrichtung, mittels welcher das jeweilige Saugband aktiv ionisiert und somit ein durch das jeweilige Saugband abgebremster Bogen entladen werden kann.When transporting the sheet from one of the Nutzentrennstation upstream processing station, such as a punching station in the Nutzentrennstation, learn the arc on its underside an electric charge. Therefore, according to a first embodiment, a respective suction band made of electrically conductive material, or the respective suction belt contains electrically conductive material, such as metal filaments, which are integrated into the suction belt in a particularly advantageous embodiment of the Nutzentrennstation invention. According to a second embodiment variant, at least one of the suction belt modules has an electrical discharge device or ionization device, by means of which the respective suction belt can be actively ionized and thus an arc braked by the respective suction belt can be unloaded.

Gegenstand der Erfindung ist auch eine Bogenstanz- und/oder Prägemaschine mit einer wie oben beschriebenen Nutzentrennstation.The invention also provides a sheet punching and / or embossing machine with a depaneling station as described above.

Die beschriebene Erfindung und die beschriebenen vorteilhaften Weiterbildungen der Erfindung stellen auch in beliebiger Kombination miteinander vorteilhafte Weiterbildungen der Erfindung dar.The described invention and the described advantageous developments of the invention are also in any combination with each other advantageous developments of the invention.

Hinsichtlich weiterer Vorteile und vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden Zeichnungen verwiesen.With regard to further advantages and advantageous embodiments of the invention, reference is made to the dependent claims and the description of an embodiment with reference to the accompanying drawings.

Ausführungsbeispielembodiment

Die Erfindung soll an Hand eines Ausführungsbeispiels noch näher erläutert werden. Es zeigen in schematischer Darstellung

  • Fig. 1 eine erfindungsgemäße Bogenbearbeitungsmaschine
  • Fig. 2 eine Ansicht der Bremsvorrichtung
  • Fig. 3 eine Draufsicht auf die Bremsvorrichtung
  • Fig. 4 eine Ansicht der Bremsvorrichtung in einer alternativen Ausführungsform
  • Fig. 5 eine Draufsicht auf die Bremsvorrichtung für ein Nutzentrenngitter mit anderer Außenkontur
The invention will be explained in more detail with reference to an embodiment. It show in a schematic representation
  • Fig. 1 an inventive sheet processing machine
  • Fig. 2 a view of the brake device
  • Fig. 3 a plan view of the braking device
  • Fig. 4 a view of the braking device in an alternative embodiment
  • Fig. 5 a plan view of the braking device for a Nutzentrenngitter with another outer contour

In Figur 1 ist der prinzipielle Aufbau einer Bogenstanz- und/oder -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 / or 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 Bögen 6 werden durch einen Anleger 1 von einem Stapel vereinzelt und zugeführt und von auf umlaufenden Ketten 7 befestigten Greiferwagen 8 mit Greifern an ihrer Vorderkante ergriffen und intermittierend in der Bogentransportebene E in Bogentransportrichtung F durch die verschiedenen Stationen 2, 3 und 4 der Stanz- und Prägemaschine 100 hindurch gezogen. Wie zu erkennen ist, besitzt das Bogentransportsystem 7 mehrere Greiferwagen 8, so dass mehrere Bögen 6 gleichzeitig in den verschiedenen Stationen 2, 3 und 4 bearbeitet werden können.The sheets 6 are separated by a feeder 1 from a stack and fed and mounted on revolving chains 7 gripper carriage 8 with grippers on her Front edge taken and pulled intermittently in the sheet transport plane E in the sheet transport direction F through the various stations 2, 3 and 4 of the punching and embossing machine 100 therethrough. As can be seen, the sheet transport system 7 has a plurality of gripper carriages 8, so that a plurality of sheets 6 can be processed simultaneously in the various stations 2, 3 and 4.

Die Stanzstation 2 besteht aus einem Untertisch 9 und einem Obertisch 10. Der Untertisch 9 ist fest im Maschinengestell gelagert und mit einer Gegenplatte zum Stanzmesser versehen. Der Obertisch 10 ist vertikal hin- und her bewegbar gelagert.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 a counter plate to the punching knife. The upper table 10 is supported vertically movable back and forth.

Der Greiferwagen 8 transportiert 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 gripper carriage 8 transports 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 mit Nutzentrennstation, wo eine Trennung der einzelnen Nutzen mittels eines Nutzentrennwerkzeuges mit einem Oberwerkzeug 18 und einem Unterwerkzeug 19 erfolgt. Das Unterwerkzeug 19 ist als Nutzentrenngitter 40 ausgeführt. Im Einlaufbereich der Nutzentrennstation 4 befindet sich eine Bogenbremsvorrichtung 20. Unter Einlaufbereich der Nutzentrennstation wird der Bereich zwischen Einlaufkante der Station und Hinterkante des Nutzentrennwerkzeugs verstanden. 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 breaking station 3, the sheet enters the boom 4 with Nutzentrennstation, where a separation of the individual benefits by means of a Nutzentrennwerkzeuges with an upper tool 18 and a lower tool 19 takes place. The lower tool 19 is designed as a Nutzentrenngitter 40. In the inlet area of the depaneling station 4 there is a sheet brake device 20. The inlet area of the depaneling station is understood to mean the area between the inlet edge of the station and the trailing edge of the depaneling tool. 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.

Figur 2 zeigt einen Ausschnitt aus einer erfindungsgemäßen Nutzentrennstation 4, wobei zur besseren Übersichtlichkeit das Oberwerkzeug 18 nicht dargestellt wird. Das Unterwerkzeug 19 der Nutzentrennstation 4 ist dabei als Nutzentrenngitter 40 ausgebildet. Das Nutzentrenngitter 40 liegt auf Tragschienen 41 auf, welche jeweils durch eine erste Auflagefläche 50 und eine zweite Auflagefläche 51 aufgenommen werden. Ein in Bogentransportebene E in Bogentransportrichtung F transportierter Bogen 6 wird durch den in der Bogentransportebene E liegenden oberen Trum eines Saugbandes 23 abgebremst. Das Saugband 23 ist Teil eines Saugbandmoduls 21. Ein jeweiliges Saugbandmodul 21 besitzt eine Saugkammer 22, welche an einen nicht dargestellten Unterdruckerzeuger angeschlossen ist. Das Saugband 23 wird über Umlenkrollen 25 geführt und von einem Saugbandantrieb 27 angetrieben. Der Saugbandantrieb 27 kann dabei einen Elektromotor enthalten. Das Saugband 23 ist derart ausgeführt, dass eine Längenanpassung b1 des wirksamen oberen Trums des Saugbands ermöglicht wird. Um die Längenanpassung b1 des Saugbands 23 zu kompensieren, erfolgt ein Längenausgleich b2 mittels einer Einrichtung 24 für den Längenausgleich. FIG. 2 shows a section of a Nutzentrennstation 4 according to the invention, for better clarity, the upper tool 18 is not shown. The lower tool 19 of the depaneling station 4 is designed as a blanking grid 40. The Nutzentrenngitter 40 rests on support rails 41, which are each received by a first support surface 50 and a second support surface 51. An in Sheet transport plane E in the sheet transport direction F transported sheet 6 is decelerated by lying in the sheet transport plane E upper run of a suction belt 23. The suction belt 23 is part of a suction belt module 21. A respective Saugbandmodul 21 has a suction chamber 22 which is connected to a vacuum generator, not shown. The suction belt 23 is guided over deflection rollers 25 and driven by a suction belt drive 27. The suction belt drive 27 may include an electric motor. The suction belt 23 is designed such that a length adjustment b1 of the effective upper run of the suction belt is made possible. In order to compensate for the length adjustment b1 of the suction belt 23, a length compensation b2 takes place by means of a device 24 for length compensation.

Wie sich aus Figur 3 ergibt, kann die wirksame Länge 1 des Saugbands 23 damit so angepasst werden, dass sie sich nahezu auf den gesamten Abstand zwischen der Hinterkante H1 der Nutzentrennstation 4 von der Hinterkante H2 des Nutzentrenngitters 40 erstreckt. Wie weiter aus Figur 3 ersichtlich, besteht die Bremsvorrichtung 20 der Nutzentrennstation 4 dabei aus mehreren Saugbandmodulen 21. Ein jeweiliges Saugbandmodul 21 ist, wie durch den Doppelpfeil a angedeutet, quer zur Bogentransportrichtung F verschieblich, sodass die Saugbandmodule 21 so verschoben werden können, dass diese nicht mit den Tragschienen 41 des Nutzentrenngitters 40 kollidieren.As it turned out FIG. 3 Thus, the effective length 1 of the suction belt 23 can be adjusted so that it extends almost to the entire distance between the trailing edge H1 of the pay dividing station 4 from the trailing edge H2 of the Nutzentrenngitters 40. How farther FIG. 3 a respective Saugbandmodul 21 is, as indicated by the double arrow a, transversely to the sheet transport direction F slidably so that the Saugbandmodule 21 can be moved so that it does not interfere with the support rails 41st of the Nutzentrenngitters 40 collide.

Wie in Figur 5 gezeigt, kann die Bremsvorrichtung 20 auch an andere Außenkonturen des Nutzentrenngitters 40 angepasst werden. Das dargestellte Nutzentrenngitter 40 besitzt an seiner stromabwärtigen Kante eine Nase. Das Saugband 23 des Saugbandmoduls 21, welches stromaufwärtig der Nase 42 des Nutzentrenngitters angeordnet ist, wurde in seiner wirksamen Länge l'angepasst.As in FIG. 5 shown, the braking device 20 can also be adapted to other outer contours of the Nutzentrenngitters 40. The illustrated blanking grid 40 has a nose at its downstream edge. The suction belt 23 of the suction belt module 21, which is arranged upstream of the nose 42 of the Nutzentrenngitters, was adapted in its effective length l'.

In Figur 4 ist eine alternative Ausführungsform eines Saugbandmoduls 21 dargestellt. Dieses besitzt dieselben Elemente wie das anhand der Figur 2 beschriebene Saugbandmodul 21. Zusätzlich weist es jedoch eine elektrische Entladungseinrichtung bzw. Ionisierungseinrichtung (Ionisator) 26 auf, welche ein aktives Ionisieren des Saugbandes 23 ermöglicht. Mit Hilfe dieser Antistatikeinrichtung 26 kann ein durch das Saugband 23 abgebremster Bogen 6 (nicht dargestellt) entladen werden. Dies wirkt sich positiv auf das nachfolgende Nutzentrennen und Ablegen aus.In FIG. 4 an alternative embodiment of a Saugbandmoduls 21 is shown. This has the same elements as that of the FIG. 2 In addition, however, it has an electrical discharge device or ionization device (ionizer) 26, which allows active ionization of the suction belt 23. With the help of this antistatic device 26 can by the Saugband 23 braked sheet 6 (not shown) are unloaded. This has a positive effect on the subsequent Nutzentrennen and drop off.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Anlegerinvestor
22
Stanzstationpunching station
33
Ausbrechstationstripping
44
Auslagestation mit NutzentrennstationDelivery station with depaneling station
55
Maschinengehäusemachine housing
66
Bogenbow
77
BogentransportsystemSheet transport system
88th
Greiferwagen mit LinearantriebGripper carriage with linear drive
99
Untertischunder table
1010
Obertischovertable
1111
Abfallstücketrimmings
1212
Wagendare
1313
Palettepalette
1414
Auslagestapeldelivery pile
1515
Steuerung mit InterfaceControl with interface
1616
Zuführtischfeed
1818
Oberwerkzeugupper tool
1919
Unterwerkzeuglower tool
2020
Bremsvorrichtungbraking device
2121
SaugbandmodulSaugbandmodul
2222
Saugkammersuction chamber
2323
Saugbandsuction belt
2424
Einrichtung für den Längenausgleich des SaugbandesDevice for length compensation of the suction belt
2525
Umlenkrolleidler pulley
2626
elektrische Entladungseinrichtung bzw. Ionisierungseinrichtung (Ionisator)electrical discharge device or ionization device (ionizer)
2727
SaugbandantriebSaugbandantrieb
4040
NutzentrenngitterBlanking grid
4141
Tragschiene NutzentrenngitterSupport rail for utility divider
4242
Nase des Nutzentrenngitters als Teil von dessen AußenkonturNose of the Nutzentrenngitters as part of its outer contour
5050
erste Auflagefläche für Tragschienefirst bearing surface for mounting rail
5151
zweite Auflagefläche für Tragschienesecond contact surface for mounting rail
100100
Flachbett-Bogenstanz- und/oder -prägemaschineFlatbed sheet punching and / or embossing machine
aa
Positionierbewegung Saugbandmodul in QuerrichtungPositioning movement of the suction belt module in the transverse direction
b1b1
Längenanpassung SaugbandLength adjustment of suction belt
b2b2
Längenausgleich SaugbandLength compensation suction belt
11
wirksame Länge Saugbandeffective length of suction belt
1'1'
saugmodulindividuell angepasste wirksame Länge SaugbandSuction module individually adapted effective length of suction belt
Ee
BogentransportebeneSheet transport plane
FF
BogentransportrichtungSheet transport direction
H1H1
Hinterkante NutzentrennstationTrailing dividing station
H2H2
Hinterkante NutzentrenngitterRear edge of the dividing grille

Claims (8)

  1. A copy separation station (4) for a sheet punching and/or embossing machine (100), for separating single copies, from a sheet (6) made of paper, cardboard, plastic, in-mould or the like, transported into the copy separation station (4) in a sheet transport direction (F) using a copy separation grid (40),
    characterized in that
    a multitude of suction belt modules (21) are arranged upstream with respect to the copy separation grid (40), wherein the suction belt modules are movable transverse to the sheet transport direction (F), wherein a respective suction belt module (21) comprises a suction belt (23) having an upper section in a sheet transport plane (E) for slowing down sheets (6) and a suction chamber (22) for creating suction air, and wherein the effective length (I, I') of the suction belt (23) is variable.
  2. The copy separation station according to claim 1,
    characterized in that
    the effective length (I, I') of the suction belt (23) can be varied so as to approximately correspond to the distance of the downstream edge (H1) of the copy separation station from the downstream edge (H2) of the copy separation grid.
  3. The copy separation station according to claim 1 or 2,
    characterized in that
    a respective suction belt module (23) has a device (24) for the length adjustment of the suction belt (23)
    and/or
    a respective suction belt module (23) is guided over idler pulleys (25).
  4. The copy separation station according to any one of claims 1 to 3,
    characterized in that
    an electric motor (27) for driving the suction belts (23) is part of the copy separation station (4).
  5. The copy separation station according to any one of claims 1 to 3,
    characterized in that
    an electric motor (27) for driving a respective suction belt (23) is part of a respective suction belt module (21).
  6. The copy separation station according to any one of the preceding claims,
    characterized in that
    a respective suction belt (23) consists of an electrically conductive material or contains an electrically conductive material.
  7. The copy separation station according to any one of the preceding claims,
    characterized in that
    at least one suction belt module (21) comprises an electrical discharge device or an ionization device (26).
  8. A sheet punching and/or embossing machine (100) comprising a copy separation station (4) according to any one of the preceding claims.
EP11155315.2A 2010-03-17 2011-02-22 Separating device for detaching blanks with adjustable sheet braking device Active EP2366511B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010011689 DE102010011689A1 (en) 2010-03-17 2010-03-17 Sheet braking device in the Nutzentrennstation

Publications (2)

Publication Number Publication Date
EP2366511A1 EP2366511A1 (en) 2011-09-21
EP2366511B1 true EP2366511B1 (en) 2018-06-27

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Country Link
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DE (1) DE102010011689A1 (en)

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WO2013164070A1 (en) * 2012-05-03 2013-11-07 Bobst Mex Sa Device for braking a flat sheet-form element and method for cleaning such a device
EP2965899A1 (en) * 2014-07-09 2016-01-13 Cellpack AG Device for the separation of flexible packaging products

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DE102004031752A1 (en) * 2003-07-24 2005-02-17 Heidelberger Druckmaschinen Ag Device for feed of sheets in printing machine has guide element in form of long coil extension spring with coils wound from round wire, whereby several coil springs are provided in parallel arrangement with ends fastened on common holder
DE102005013654A1 (en) * 2004-04-16 2005-11-10 Heidelberger Druckmaschinen Ag Brake for printed sheets has several flexible endless belts mounted on common drive shaft with roughened surface to improve friction

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DE102010011689A1 (en) 2011-09-22
CN102190198A (en) 2011-09-21
CN102190198B (en) 2015-05-06
EP2366511A1 (en) 2011-09-21

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