EP2070721A2 - Rotation embossing device and box folding and glueing machine - Google Patents

Rotation embossing device and box folding and glueing machine Download PDF

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Publication number
EP2070721A2
EP2070721A2 EP08105828A EP08105828A EP2070721A2 EP 2070721 A2 EP2070721 A2 EP 2070721A2 EP 08105828 A EP08105828 A EP 08105828A EP 08105828 A EP08105828 A EP 08105828A EP 2070721 A2 EP2070721 A2 EP 2070721A2
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EP
European Patent Office
Prior art keywords
male
embossing
shaft
embossing device
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08105828A
Other languages
German (de)
French (fr)
Other versions
EP2070721B1 (en
EP2070721A3 (en
Inventor
Christian Dr. Compera
Wolfgang Diehr
Steffen Galle
Erich Klaßen
Jana Schiek
Carsten Terhorst
Leo Zeimetz
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 Machinery Co Ltd
Original Assignee
Heidelberger Druckmaschinen AG
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Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP2070721A2 publication Critical patent/EP2070721A2/en
Publication of EP2070721A3 publication Critical patent/EP2070721A3/en
Application granted granted Critical
Publication of EP2070721B1 publication Critical patent/EP2070721B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
    • B44B5/0009—Rotating embossing tools
    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0753—Roller supporting, positioning, driving means

Definitions

  • the invention relates to a rotary embossing device according to the preamble of claim 1 and a folding box gluing machine according to claim 8.
  • Folding cartons are cardboard or corrugated board packaging, and to a lesser extent plastic, which are glued at one or more points during the folding process, depending on the design. They are usually produced from a blank. The blanks are usually punched out on a sheet punch. The blank must be glued at least at one edge. The folded boxes come out of the carton gluer in the flat state. The placement and filling of the box can be done by machine or manually.
  • the embossing of braille is carried out either during the punching process in the sheet punch in the production of blanks.
  • this is expensive because a punching sheet several benefits, ie blanks contains and for each benefit a pair of tools consisting of die and male must be provided.
  • rotary embossing devices with two rotating embossing tools are used, which may for example be part of a Faltschachtelklebemaschine.
  • such rotary embossing devices have a common drive for both rotary tools.
  • the rotary tools In order to apply the embossing in the correct position on the Faltschachtelzuites, the rotary tools must be synchronized relative to Faltschachtelzuites.
  • the DE-OS 28 33 618 shows a rotary embossing machine with interlocking embossing molds, which are each mounted adjustable on rotating rollers. While the embossing molds roll on each other, a gap is formed between them which corresponds approximately to the thickness of the product to be processed.
  • the EP 1 447 211 A2 shows a device for impressing transverse grooves in cardboard.
  • the EP 1 537 920 A1 shows an apparatus for cutting, creasing and embossing sheet material, such as cardboard, with two rollers. Both devices have in common that the synchronization can not be performed with the braille required accuracy and that no adaptation of the devices to the size of the product and the distance of the products is possible.
  • the object of the present invention is to provide a rotary embossing device which overcomes the disadvantages of the prior art and enables high output while maintaining high embossing quality.
  • the rotary embossing device has two rotating embossing tools, driven by at least one embossing tool drive, for introducing Embossings, in particular Braille, in printing materials, in particular folding carton blanks.
  • the embossing tools are formed by a stamped male and a die.
  • the template serves as a counter-mold and is advantageously product-neutral and has a uniform hole pattern.
  • the rotary embossing device has a device for the temporary change in distance of the male and the female part and an associated control. The change in distance is done by raising the male.
  • the raising of the male part is initiated by the control directly after completion of each embossing operation and the lowering of the male part just before the start of each embossing operation by the controller correspondingly driving the temporary distance changing device.
  • the embossing tools can be synchronized relative to a subsequent substrate. Ie. the punches of the male are positioned relative to the position of a surface of a subsequent substrate to be imprinted.
  • the ability to lift the male immediately after completing a specific embossing operation and to lower it immediately prior to the start of each embossing operation maximizes the asynchronous phase and maximizes the time it takes to synchronize.
  • the male part and the female part are mounted transversely displaceable and lockable on a die shaft or a male shaft. This allows the embossing to be positioned across the width of a substrate.
  • the male part is mounted on a Patrizenwelle and the means for temporarily changing the distance of the male part has at least one pneumatic cylinder which is connected to the Patrizenwelle.
  • the device for temporary change in distance may in particular also have two pneumatic cylinders, wherein in each case one cylinder is connected to a respective end of the male shaft.
  • the Patrizenwelle 13 is mounted vertically movable at its ends in guide elements. Through the at least one pneumatic cylinder, the male shaft can be temporarily raised.
  • the device for temporary change in distance has a controllable electric motor which is connected to the male shaft via an eccentric or a connecting rod.
  • the male shaft is mounted vertically movable in guide elements and can be temporarily raised by the rotational movement of the electric motor.
  • the male part is also mounted on a Patrizenwelle.
  • the device for temporary change in distance is connected to the male shaft and causes its temporary deflection.
  • the male shaft is mounted at its two ends by a respective pair of supports.
  • a respective pair of supports each has a point of attack, via which a bending force can be introduced, which then causes a defined deflection of the male shaft.
  • the rotary embossing device has a controlled blown air nozzle, which is arranged in the region of the die just below the transport plane of the printing material. Except during the stamping operation, the controlled blowing air nozzle generates an air jet that creates a gap between the die and the printing material. This gap has the effect that the matrix and printing material are not in contact with each other during the asynchronous phase and marks on the printing material are avoided.
  • Fig. 1 shows a Faltschachtelklebemaschine 1 with a rotary embossing device 10 according to the invention.
  • Faltschachtelzuitese 2 are transported by a feeder in the transport direction T through the Faltschachtelklebemaschine 1 and by the rotary embossing device 10 to a boom.
  • the rotary embossing device 10 has a male part 11 and a die 12 for introducing embossments into the folding box blanks 2.
  • the folded box blanks 2 are transported with a board pitch A, also referred to as a section length, at the speed vF.
  • the male part 11 has the speed vP.
  • the die 12 has the speed vM.
  • the speeds of matrix vM, male vP and folding carton vF have the same amount so that there is no relative movement between tools 11, 12 and folding carton blank 2 and thus markings of the folding carton blank are avoided.
  • the male part 11 and die 12 must be synchronized relative to each other in terms of their speed.
  • male and female mold 11 12 must be synchronized relative to each other with respect to their angular position, ie it must be ensured that the punch of the male part 11 can dive into holes of the die 12.
  • Do Patrize 11 and die 12 each have their own embossing tool drive so the synchronization is preferably electronically.
  • Fig. 2a shows an embodiment of the rotary embossing device 10.
  • the rotary embossing device 10 has a male part 11, which is rotationally fixedly mounted on a Patrizenwelle 13, and a die 12 which is rotationally mounted on a die shaft 14.
  • a respective folding box blank 2 is transported by means of guide belts 42 through the rotary embossing device 10.
  • Patrizenwelle 13 and die shaft 14 are coupled via a low-play gear pairing with each other.
  • the male shaft 13 is supported at its respective ends by pivot bearings 45.
  • the distance between the die 12 and the male part 11 can be varied by the adjusting element 44 in order to adapt to the thickness of the folding box blank 2 to be processed.
  • An embossing is introduced into the folding carton blank 2 during the embossing process in the area of a surface 21 to be embossed.
  • the extent of the surface 21 considered in the transport direction T has the amount X.
  • the rotary embossing device 10 has a device for lifting 40 of the male part 11 (not shown), through which the male part 11 can be lifted.
  • Fig. 2a is the male part 11 in the raised state, so that between male and 11 carton blank 2 is an air gap.
  • the raising of the male part 11 is done in this embodiment by a deflection of the male shaft 13.
  • a device for lifting 40 of the male part 11 by bending the male shaft 13 is in Fig. 3a shown.
  • the male part 11 is mounted on a Patrizenwelle 13.
  • the Patrizenwelle 13 in turn is supported at their ends by a respective pair of supports 41.
  • the pair of supports 41 each have a point of attack to initiate a bending force F, which causes the bending of the male shaft 13.
  • Fig. 3b shows a rotary embossing device 10, as they, as in Fig. 1 represented at the position 10 is installed in a Faltschachtelklebemaschine.
  • the rotary embossing device has a male part 11, which is mounted on a Patrizenwelle 13, and a die 12, which is mounted on a die shaft 14. Die shaft 14 and male shaft 13 are arranged parallel to each other.
  • a Faltschachtelzuuze 2 (not shown) between the male part 11 and the die 12 is moved through and die 11 and male 12 from each other.
  • the Patrizenwelle 13 is mounted at its two ends in each case in a bearing element 51.
  • the respective bearing element 51 is guided vertically movably in an element 50.
  • the mounting of the die shaft 14 is also integrated into the element 50.
  • the rotary embossing device 10 also has a device 40 for lifting the male part 11.
  • This comprises two pneumatic cylinders 47.
  • a respective pneumatic cylinder is connected at its upper end to the machine frame (not shown) and its lower end connected to the Matrizenwelle 13.
  • the pneumatic cylinders 47 are controlled by a control device 52 so that the male shaft 13 is raised directly after completion of a respective embossing process and lowered directly before the start of each embossing process.
  • the male part 11 also undergoes a movement b.
  • Fig. 3c shows a rotary embossing device 10, as they, as in Fig. 1 represented, is installed in a Faltschachtelklebemaschine 1.
  • the male part 11 is mounted on a male shaft 13, the female part 12 on a female shaft 14.
  • Matrizenwelle 13 and Patrizenwelle 14 are arranged parallel to each other.
  • a carton blank 2 (not shown) is moved between male and female dies 12 and the male die 11 rolls on the female die 12.
  • the Patrizenwelle 13 is mounted at its two ends in each case in a bearing element 51.
  • This bearing element 51 is guided vertically movably in an element 50. In the element 50 and the storage of the die shaft is integrated.
  • the rotary embossing device 10 further has a device 40 for lifting the male part 11.
  • This comprises a controllable electric motor 48, which is fixed to the machine set (not shown).
  • the axis of rotation of the motor 48 is connected to an eccentric 49 which acts on the male shaft 13 via a cylinder.
  • Eccentric and cylinder act together as a connecting rod 49.
  • the cylinder driven by the eccentric 49, performs a stroke b.
  • This lifting movement b is transmitted via the male shaft 13 on the male part 11, so that the male part 11 can be lifted by a movement b.
  • the electric motor 48 is thereby controlled by a controller 52 triggered that the male part 11 is lifted immediately after completion of each embossing process and lowered immediately before the start of each embossing process.
  • the Patrizenwelle 13 is thus raised in all three embodiments described above only in the asynchronous phase, d. H. then, if not embossed.
  • the duration of the asynchronous phase is determined by the extent X of the embossment 21 to be generated and the speeds vP and vM.
  • the distance between the male part 11 and folding carton blank 2 in the asynchronous phase makes it possible to position the dies of the male part 11 relative to the position of a surface 21 of the folding carton blank 2 to be embossed and to synchronize them.
  • the rotary embossing device 10 in the region of the die 12 has a controlled Blas Kunststoffdüse 46, which is controlled by the controller 52.
  • Blas Kunststoffdüse 46 For the duration of the asynchronous phase, ie as long as the male part 11 is in the raised state, air is blown between the die 12 and the folding box blank 2 by the blowing air nozzle 46, thus producing a thin gap between the die 12 and the folding box blank 2. This ensures that the die 12 and folding carton blank 2 are not in contact during the asynchronous phase and markings due to relative movements between the die 12 and folding carton blank 2 are avoided.

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  • Making Paper Articles (AREA)
  • Printing Methods (AREA)

Abstract

The device (10) has a rotary cylindrical positive part (11) and a mold (12) for importing embossing i.e. Braille lettering, in a folding box blank. A distance between casing surfaces of the positive part and mold corresponds to a thickness of the blank during an embossing process. A lifting device (40) temporarily changes the distance of the positive and mold. A controller (52) triggers lifting of the positive part directly after ending of the embossing process, and triggers lowering of the part directly before beginning of the embossing process, by the lifting device.

Description

Die Erfindung betrifft eine Rotationsprägeeinrichtung gemäß dem Oberbegriff von Anspruch 1 und eine Faltschachtelklebemaschine nach Anspruch 8.The invention relates to a rotary embossing device according to the preamble of claim 1 and a folding box gluing machine according to claim 8.

Faltschachteln sind Verpackungen aus Karton oder Wellpappe, in geringem Umfang auch aus Kunststoff, die je nach Konstruktion während des Faltprozesses an einer oder mehreren Stellen beleimt werden. Sie werden in der Regel aus einem Zuschnitt produziert. Die Zuschnitte werden üblicherweise auf einer Bogenstanze ausgestanzt. Der Zuschnitt muss mindestens an einer Kante verklebt werden. Die gefalteten Schachteln kommen im flachliegenden Zustand aus der Faltschachtel-Klebemaschine. Das Aufstellen und Befüllen der Schachtel kann maschinell oder auch manuell erfolgen.Folding cartons are cardboard or corrugated board packaging, and to a lesser extent plastic, which are glued at one or more points during the folding process, depending on the design. They are usually produced from a blank. The blanks are usually punched out on a sheet punch. The blank must be glued at least at one edge. The folded boxes come out of the carton gluer in the flat state. The placement and filling of the box can be done by machine or manually.

Neben den Faltungen, die zur Herstellung der Faltschachteln erforderlich sind, werden als Vorbereitung für den anschließenden Produktionsschritt auch weitere Rilllinien in der Faltschachtel-Klebemaschine vorgebrochen (vorgefaltet). Dadurch werden das Aufstellen der Schachtel und das spätere Befüllen erleichtert.In addition to the folds required to produce the cartons, further creasing lines in the carton gluer are pre-folded (prefolded) to prepare for the subsequent production step. This facilitates the installation of the box and the subsequent filling.

Dienen die Faltschachteln zur Verpackung von Arzneimitteln, so ist es gesetzlich vorgeschrieben, die Bezeichnung des Arzneimittels in Blindenschrift (so genannte Braille-Schrift) auf die Faltschachtel aufzubringen (bspw. durch Prägen).If the cartons are used for the packaging of medicines, it is legally required to apply the name of the medicament in Braille (so-called Braille) to the carton (eg by embossing).

Nach dem Stand der Technik erfolgt die Prägung der Blindenschrift entweder während des Stanzprozesses in der Bogenstanze bei der Herstellung der Zuschnitte. Dies ist jedoch aufwendig, da ein Stanzbogen etliche Nutzen, d. h. Zuschnitte enthält und für jeden Nutzen ein Werkzeugpaar bestehend aus Matrize und Patrize bereitgestellt werden muss. Oder es kommen Rotationsprägeeinrichtungen mit zwei rotierenden Prägewerkzeugen zum Einsatz, welche beispielsweise Teil einer Faltschachtelklebemaschine sein können. Bekannter weise verfügen derartige Rotationsprägeeinrichtungen über einen gemeinsamen Antrieb für beide Rotationswerkzeuge. Um die Prägung an der richtigen Position auf den Faltschachtelzuschnitt aufbringen zu können, müssen die Rotationswerkzeuge relativ zum Faltschachtelzuschnitt synchronisiert werden. Insbesondere beim Einbringen einer Blindenschrift in den Faltschachtelzuschnitt muss die Synchronisierung sehr genau erfolgen. Aufgrund des Massenträgheitsmoments von Matrize, Patrize und Rotationsantrieb ist die erforderliche Genauigkeit der Synchronisierung nur schwer bis gar nicht zu erreichen. Weiter nachteilig ist, dass Rotationsprägeeinrichtungen zur besseren Synchronisierung häufig im Start- / Stopp-Betrieb gefahren werden. D. h. die Rotationsprägewerkzeuge werden zur Synchronisierung angehalten und nachfolgend wieder neu beschleunigt. Dadurch wird die Produktionsleistung der Rotationsprägeeinrichtung stark eingeschränkt. Weiter wird dir Produktionsleistung dadurch eingeschränkt, dass keine Anpassung der Rotationsprägeeinrichtung an die Größe des zu bearbeitenden Produktes möglich ist.According to the prior art, the embossing of braille is carried out either during the punching process in the sheet punch in the production of blanks. However, this is expensive because a punching sheet several benefits, ie blanks contains and for each benefit a pair of tools consisting of die and male must be provided. Or there are rotary embossing devices with two rotating embossing tools are used, which may for example be part of a Faltschachtelklebemaschine. As known, such rotary embossing devices have a common drive for both rotary tools. In order to apply the embossing in the correct position on the Faltschachtelzuschnitt, the rotary tools must be synchronized relative to Faltschachtelzuschnitt. In particular, when introducing a Braille in the carton blank, the synchronization must be done very accurately. Due to the moment of inertia of die, male and rotary drive the required accuracy of synchronization is difficult or impossible to achieve. Another disadvantage is that rotary embossing devices for better synchronization are often driven in start / stop operation. Ie. the rotary embossing tools are stopped for synchronization and subsequently accelerated again. As a result, the production capacity of the rotary embossing device is severely limited. Next you production is limited by the fact that no adjustment of the rotary embossing device to the size of the product to be processed is possible.

Die DE-OS 28 33 618 zeigt eine Rotationsprägemaschine mit ineinandergreifenden Prägeformen, welche jeweils auf rotierende Walzen justierbar aufmontiert werden. Während die Prägeformen aufeinander abrollen wird zwischen ihnen ein Spalt gebildet, der in etwa der Dicke des zu verarbeitenden Produkts entspricht.The DE-OS 28 33 618 shows a rotary embossing machine with interlocking embossing molds, which are each mounted adjustable on rotating rollers. While the embossing molds roll on each other, a gap is formed between them which corresponds approximately to the thickness of the product to be processed.

Die EP 1 447 211 A2 zeigt eine Vorrichtung zum Einprägen von Querrillen in Pappe. Die EP 1 537 920 A1 zeigt eine Vorrichtung zum Schneiden, Rillen und Prägen von Bogenmaterial, wie Karton, mit zwei Walzen. Beiden Vorrichtungen ist gemein, dass die Synchronisierung nicht mit der für Blindenschrift notwendigen Genauigkeit durchgeführt werden kann und dass keine Anpassung der Vorrichtungen an die Größe des Produktes und den Abstand der Produkte möglich ist.The EP 1 447 211 A2 shows a device for impressing transverse grooves in cardboard. The EP 1 537 920 A1 shows an apparatus for cutting, creasing and embossing sheet material, such as cardboard, with two rollers. Both devices have in common that the synchronization can not be performed with the braille required accuracy and that no adaptation of the devices to the size of the product and the distance of the products is possible.

Aufgabe der vorliegenden Erfindung ist es, eine Rotationsprägeeinrichtung zu schaffen, welche die Nachteile des Standes der Technik überwindet und bei gleichzeitig hoher Prägequalität eine hohe Ausbringung ermöglicht.The object of the present invention is to provide a rotary embossing device which overcomes the disadvantages of the prior art and enables high output while maintaining high embossing quality.

Gelöst wird diese Aufgabe durch eine Rotationsprägeeinrichtung mit den kennzeichnenden Merkmalen von Anspruch 1.This object is achieved by a rotary embossing device with the characterizing features of claim 1.

Die erfindungsgemäße Rotationsprägeeinrichtung besitzt zwei rotierende Prägewerkzeuge, angetrieben durch mindestens einen Prägewerkzeugantrieb, zum Einbringen von Prägungen, insbesondere Blindenschrift, in Bedruckstoffe, insbesondere Faltschachtelzuschnitte. Die Prägewerkzeuge werden durch eine mit Stempeln versehene Patrize und eine Matrize gebildet. Die Matrize dient als Gegenform und ist vorteilhafter weise produktneutral und besitzt ein gleichmäßiges Lochmuster. Die Rotationsprägeeinrichtung besitzt eine Einrichtung zur temporären Abstandsveränderung von Patrize und Matrize und eine zugeordnete Steuerung. Die Abstandsveränderung geschieht durch ein anheben der Patrize. Das Anheben der Patrize wird durch die Steuerung direkt nach Beendigung eines jeweiligen Prägevorgangs und das Absenken der Patrize direkt vor Beginn eines jeweiligen Prägevorgangs eingeleitet, indem die Steuerung die Einrichtung zur temporären Abstandsveränderung entsprechend ansteuert. Während nicht geprägt wird und Matrize und Patrize stärker voneinander beabstandet sind, in der sogenannten Asynchronphase, können die Prägewerkzeuge relativ zu einem nachfolgenden Bedruckstoff synchronisiert werden. D. h. die Stempel der Patrize werden relativ zu der Position einer Fläche eines nachfolgenden Bedruckstoffs, welche mit einer Prägung versehen werden soll, positioniert. Dadurch dass die Patrize direkt nach Beendigung eines jeweiligen Prägevorgangs abgehoben und direkt vor Beginn eines jeweiligen Prägevorgangs abgesenkt wird, wird die Asynchronphase maximiert und es steht ein größtmöglicher Zeitraum für die Synchronisation zur Verfügung.The rotary embossing device according to the invention has two rotating embossing tools, driven by at least one embossing tool drive, for introducing Embossings, in particular Braille, in printing materials, in particular folding carton blanks. The embossing tools are formed by a stamped male and a die. The template serves as a counter-mold and is advantageously product-neutral and has a uniform hole pattern. The rotary embossing device has a device for the temporary change in distance of the male and the female part and an associated control. The change in distance is done by raising the male. The raising of the male part is initiated by the control directly after completion of each embossing operation and the lowering of the male part just before the start of each embossing operation by the controller correspondingly driving the temporary distance changing device. While not embossed and the die and male are more spaced apart, in the so-called asynchronous phase, the embossing tools can be synchronized relative to a subsequent substrate. Ie. the punches of the male are positioned relative to the position of a surface of a subsequent substrate to be imprinted. The ability to lift the male immediately after completing a specific embossing operation and to lower it immediately prior to the start of each embossing operation maximizes the asynchronous phase and maximizes the time it takes to synchronize.

In einer vorteilhaften Ausführungsform der Rotationsprägeeinrichtung sind die Patrize und die Matrize querverschieblich und arretierbar auf einer Matrizenwelle bzw. einer Patrizenwelle angebracht. Dadurch kann die Prägung über die Breite eines Bedruckstoffs positioniert werden.In an advantageous embodiment of the rotary embossing device, the male part and the female part are mounted transversely displaceable and lockable on a die shaft or a male shaft. This allows the embossing to be positioned across the width of a substrate.

In einer ersten vorteilhaften Ausführungsform der Rotationsprägeeinrichtung ist die Patrize auf einer Patrizenwelle gelagert und die Einrichtung zur temporären Abstandsveränderung der Patrize besitzt mindestens einen Pneumatikzylinder, welcher mit der Patrizenwelle verbunden ist. Die Einrichtung zur temporären Abstandsveränderung kann insbesondere auch zwei Pneumatikzylinder besitzen, wobei jeweils ein Zylinder mit einem jeweiligen Ende der Patrizenwelle verbunden ist. Die Patrizenwelle 13 ist an ihren Enden in Führungselementen vertikal beweglich gelagert. Durch den mindestens einen Pneumatikzylinder kann die Patrizenwelle temporär angehoben werden.In a first advantageous embodiment of the rotary embossing device, the male part is mounted on a Patrizenwelle and the means for temporarily changing the distance of the male part has at least one pneumatic cylinder which is connected to the Patrizenwelle. The device for temporary change in distance may in particular also have two pneumatic cylinders, wherein in each case one cylinder is connected to a respective end of the male shaft. The Patrizenwelle 13 is mounted vertically movable at its ends in guide elements. Through the at least one pneumatic cylinder, the male shaft can be temporarily raised.

In einer zweiten vorteilhaften Ausführungsform besitzt die Einrichtung zur temporären Abstandsveränderung einen steuerbaren Elektromotor, welcher über einen Exzenter oder ein Pleuel mit der Patrizenwelle verbunden ist. Die Patrizenwelle ist in Führungselementen vertikal beweglich gelagert und kann durch die Drehbewegung des Elektromotors temporär angehoben werden.In a second advantageous embodiment, the device for temporary change in distance has a controllable electric motor which is connected to the male shaft via an eccentric or a connecting rod. The male shaft is mounted vertically movable in guide elements and can be temporarily raised by the rotational movement of the electric motor.

In einer dritten vorteilhaften Ausführungsform ist die Patrize ebenfalls auf einer Patrizenwelle gelagert. Die Einrichtung zur temporären Abstandveränderung ist mit der Patrizenwelle verbunden und bewirkt deren temporäre Durchbiegung. In einer vorteilhaften Weiterbildung dieser Ausführungsform ist die Patrizenwelle an ihren beiden Enden durch je ein Stützenpaar gelagert. Ein jeweiliges Stützenpaar besitzt jeweils eine Angriffsstelle, über die eine Biegekraft eingeleitet werden kann, welche dann eine definierte Durchbiegung der Patrizenwelle bewirkt. Verfahren und Vorrichtungen zum Verändern der Durchbiegung einer Welle, einer Achse oder eines anderen Trägers sind beispielsweise aus der EP 0 918 947 B1 bekannt, wobei hierbei keine Durchbiegung erzeugt, sondern die Durchbiegung begrenzt oder verhindert werden soll.In a third advantageous embodiment, the male part is also mounted on a Patrizenwelle. The device for temporary change in distance is connected to the male shaft and causes its temporary deflection. In an advantageous development of this embodiment, the male shaft is mounted at its two ends by a respective pair of supports. A respective pair of supports each has a point of attack, via which a bending force can be introduced, which then causes a defined deflection of the male shaft. Methods and devices for varying the deflection of a shaft, an axle or another carrier are known, for example, from US Pat EP 0 918 947 B1 known, in which case no deflection produced, but the deflection is to be limited or prevented.

In einer vorteilhaften Weiterbildung der Rotationsprägeeinrichtung besitzt diese eine gesteuerte Blasluftdüse, die im Bereich der Matrize knapp unterhalb der Transportebene des Bedruckstoffs angeordnet ist. Außer während des Prägevorgangs erzeugt die gesteuerte Blasluftdüse einen Luftstrahl, der einen Spalt zwischen Matrize und Bedrucksoff erzeugt. Dieser Spalt bewirkt, dass Matrize und Bedruckstoff während der Asynchronphase nicht miteinander in Berührung stehen und Markierungen auf dem Bedruckstoff vermieden werden.In an advantageous development of the rotary embossing device, the latter has a controlled blown air nozzle, which is arranged in the region of the die just below the transport plane of the printing material. Except during the stamping operation, the controlled blowing air nozzle generates an air jet that creates a gap between the die and the printing material. This gap has the effect that the matrix and printing material are not in contact with each other during the asynchronous phase and marks on the printing material are avoided.

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

Die Erfindung soll anhand eines Ausführungsbeispiels noch näher erläutert werden. Es zeigen in schematischer Darstellung:

Fig. 1
den Aufbau einer Faltschachtelklebemaschine mit erfindungsgemäßer Rotationsprägeeinrichtung
Fig. 2a
eine Detailansicht der Rotationsprägeeinrichtung mit anhebbarer Patrize
Fig. 2b
einen Bedruckstoff mit der Position der Prägung
Fig. 3a
eine Einrichtung zum Anheben der Patrize in einer ersten Ausführungsform
Fig. 3b
eine Einrichtung zum Anheben der Patrize in einer zweiten Ausführungsform
Fig. 3c
eine Einrichtung zum Anheben der Patrize in einer dritten Ausführungsform
The invention will be explained in more detail with reference to an embodiment. In a schematic representation:
Fig. 1
the structure of a Faltschachtelklebemaschine with inventive rotation embossing device
Fig. 2a
a detailed view of the rotary embossing device with liftable male
Fig. 2b
a substrate with the position of the embossing
Fig. 3a
a device for lifting the male in a first embodiment
Fig. 3b
a device for lifting the male in a second embodiment
Fig. 3c
a device for lifting the male in a third embodiment

Fig. 1 zeigt eine Faltschachtelklebemaschine 1 mit einer erfindungsgemäßen Rotationsprägeeinrichtung 10. Faltschachtelzuschnitte 2 werden von einem Anleger in Transportrichtung T durch die Faltschachtelklebemaschine 1 und durch die Rotationsprägeeinrichtung 10 zu einem Ausleger transportiert. Die Rotationsprägeeinrichtung 10 besitzt eine Patrize 11 und eine Matrize 12 zum Einbringen von Prägungen in die Faltschachtelzuschnitte 2. Die Faltschachtelzuschnitte 2 werden mit einer Kartonteilung A, auch als Abschnittslänge bezeichnet, mit der Geschwindigkeit vF transportiert.
In der Berührungslinie von Patrize 11 und Faltschachtelzuschnitt 2 während des Prägevorgangs besitzt die Patrize 11 die Geschwindigkeit vP. In der Berührungslinie von Matrize 12 mit Faltschachtelzuschnitt 2 während des Prägevorgangs besitzt die Matrize 12 die Geschwindigkeit vM. Während des Prägevorgangs haben die Geschwindigkeiten von Matrize vM, Patrize vP und Faltschachtelzuschnitt vF denselben Betrag, so dass es zu keinen Relativbewegungen zwischen Werkzeugen 11, 12 und Faltschachtelzuschnitt 2 kommt und damit Markierungen des Faltschachtelzuschnitts vermieden werden. Dazu müssen Patrize 11 und Matrize 12 relativ zueinander bezüglich ihrer Geschwindigkeit synchronisiert sein. Weiter müssen Patrize 11 und Matrize 12 relativ zueinander bezüglich ihrer Winkelposition synchronisiert sein, d.h. es muss sichergestellt sein, dass die Stempel der Patrize 11 in Löcher der Matrize 12 eintauchen können. Besitzen Patrize 11 und Matrize 12 jeweils einen eigenen Prägewerkzeugantrieb so erfolgt die Synchronisation bevorzugt elektronisch. Werden Patrize 11 und Matrize 12 durch einen gemeinsamen Prägewerkzeugantrieb angetrieben, so erfolgt die Synchronisation mechanisch, beispielsweise durch Kopplung von Patrize 11 und Matrize 12. Fig. 1 shows a Faltschachtelklebemaschine 1 with a rotary embossing device 10 according to the invention. Faltschachtelzuschnitte 2 are transported by a feeder in the transport direction T through the Faltschachtelklebemaschine 1 and by the rotary embossing device 10 to a boom. The rotary embossing device 10 has a male part 11 and a die 12 for introducing embossments into the folding box blanks 2. The folded box blanks 2 are transported with a board pitch A, also referred to as a section length, at the speed vF.
In the contact line of male part 11 and folding carton blank 2 during the embossing process, the male part 11 has the speed vP. In the contact line of die 12 with folding box blank 2 during the embossing process, the die 12 has the speed vM. During the embossing process, the speeds of matrix vM, male vP and folding carton vF have the same amount so that there is no relative movement between tools 11, 12 and folding carton blank 2 and thus markings of the folding carton blank are avoided. For this purpose, the male part 11 and die 12 must be synchronized relative to each other in terms of their speed. Further, male and female mold 11 12 must be synchronized relative to each other with respect to their angular position, ie it must be ensured that the punch of the male part 11 can dive into holes of the die 12. Do Patrize 11 and die 12 each have their own embossing tool drive so the synchronization is preferably electronically. Are male 11 and female 12 by a common Driven stamping tool drive, so the synchronization is done mechanically, for example by coupling male part 11 and die 12th

Fig. 2a zeigt eine Ausführungsform der Rotationsprägeeinrichtung 10. Die Rotationsprägeeinrichtung 10 verfügt über eine Patrize 11, welche verdrehfest auf eine Patrizenwelle 13 aufgebracht ist, und eine Matrize 12, welche verdrehfest auf eine Matrizenwelle 14 aufgebracht ist. Ein jeweiliger Faltschachtelzuschnitt 2 wird mittels Führungsbändern 42 durch die Rotationsprägeeinrichtung 10 transportiert. Patrizenwelle 13 und Matrizenwelle 14 sind über eine spielarme Zahnradpaarung mit einander gekoppelt. Die Patrizenwelle 13 wird an ihren jeweiligen Enden durch Schwenklager 45 gelagert. Der Abstand von Matrize 12 und Patrize 11 kann zur Anpassung an die Dicke des zu bearbeitenden Faltschachtelzuschnitts 2 durch das Stellelement 44 variiert werden. In den Faltschachtelzuschnitt 2 wird während des Prägevorgangs im Bereich einer mit einer Prägung zu versehenden Fläche 21 eine Prägung eingebracht. Die Erstreckung der Fläche 21 in Transportrichtung T betrachtet hat den Betrag X. Fig. 2a shows an embodiment of the rotary embossing device 10. The rotary embossing device 10 has a male part 11, which is rotationally fixedly mounted on a Patrizenwelle 13, and a die 12 which is rotationally mounted on a die shaft 14. A respective folding box blank 2 is transported by means of guide belts 42 through the rotary embossing device 10. Patrizenwelle 13 and die shaft 14 are coupled via a low-play gear pairing with each other. The male shaft 13 is supported at its respective ends by pivot bearings 45. The distance between the die 12 and the male part 11 can be varied by the adjusting element 44 in order to adapt to the thickness of the folding box blank 2 to be processed. An embossing is introduced into the folding carton blank 2 during the embossing process in the area of a surface 21 to be embossed. The extent of the surface 21 considered in the transport direction T has the amount X.

Die Rotationsprägeeinrichtung 10 besitzt eine Einrichtung zum Anheben 40 der Patrize 11 (nicht dargestellt), durch welche die Patrize 11 angehoben werden kann. In Fig. 2a befindet sich die Patrize 11 in angehobenem Zustand, so dass zwischen Patrize 11 und Faltschachtelzuschnitt 2 ein Luftspalt ist. Die Anhebung der Patrize 11 geschieht in dieser Ausführungsform durch eine Durchbiegung der Patrizenwelle 13. Eine Einrichtung zum Anheben 40 der Patrize 11 durch Durchbiegen der Patrizenwelle 13 ist in Fig. 3a dargestellt. Die Patrize 11 ist auf eine Patrizenwelle 13 gelagert. Die Patrizenwelle 13 wiederum ist an ihren Enden durch je ein Stützenpaar 41 gelagert. Das Stützenpaar 41 besitzt je eine Angriffsstelle zur Einleitung einer Biegekraft F, welche die Durchbiegung der Patrizenwelle 13 bewirkt.The rotary embossing device 10 has a device for lifting 40 of the male part 11 (not shown), through which the male part 11 can be lifted. In Fig. 2a is the male part 11 in the raised state, so that between male and 11 carton blank 2 is an air gap. The raising of the male part 11 is done in this embodiment by a deflection of the male shaft 13. A device for lifting 40 of the male part 11 by bending the male shaft 13 is in Fig. 3a shown. The male part 11 is mounted on a Patrizenwelle 13. The Patrizenwelle 13 in turn is supported at their ends by a respective pair of supports 41. The pair of supports 41 each have a point of attack to initiate a bending force F, which causes the bending of the male shaft 13.

Fig. 3b zeigt eine Rotationsprägeeinrichtung 10, wie sie, wie in Fig. 1 dargestellt, an der Position 10 in einer Faltschachtelklebemaschine verbaut ist. Die Rotationsprägeeinrichtung besitzt eine Patrize 11, welche auf einer Patrizenwelle 13 gelagert ist, und eine Matrize 12, welche auf einer Matrizenwelle 14 gelagert ist. Matrizenwelle 14 und Patrizenwelle 13 sind parallel zueinander angeordnet. Während des Prägevorgangs wird ein Faltschachtelzuschnitt 2 (nicht dargestellt) zwischen der Patrize 11 und der Matrize 12 hindurch bewegt und Matrize 11 und Patrize 12 rollen aufeinander ab. Die Patrizenwelle 13 ist an ihren beiden Enden jeweils in einem Lagerelement 51 gelagert. Das jeweilige Lagerelement 51 wiederum ist in einem Element 50 vertikal beweglich geführt. Integriert in das Element 50 ist auch die Lagerung der Matrizenwelle 14. Die Rotationsprägeeinrichtung 10 besitzt weiterhin eine Einrichtung 40 zum Anheben der Patrize 11. Diese umfasst zwei Pneumatikzylinder 47. Ein jeweiliger Pneumatikzylinder ist an seinem oberen Ende mit dem Maschinengestell (nicht dargestellt) und an seinem unteren Ende mit der Matrizenwelle 13 verbunden. Die Pneumatikzylinder 47 werden von einer Steuereinrichtung 52 so angesteuert, dass die Patrizenwelle 13 direkt nach Beendigung eines jeweiligen Prägevorgangs angehoben und direkt vor Beginn eines jeweiligen Prägevorgangs abgesenkt wird. Durch die Hubbewegung b der beiden Pneumatikzylinder 47 erfährt die Patrize 11 ebenfalls eine Bewegung b. Fig. 3b shows a rotary embossing device 10, as they, as in Fig. 1 represented at the position 10 is installed in a Faltschachtelklebemaschine. The rotary embossing device has a male part 11, which is mounted on a Patrizenwelle 13, and a die 12, which is mounted on a die shaft 14. Die shaft 14 and male shaft 13 are arranged parallel to each other. During the embossing process is a Faltschachtelzuschnitt 2 (not shown) between the male part 11 and the die 12 is moved through and die 11 and male 12 from each other. The Patrizenwelle 13 is mounted at its two ends in each case in a bearing element 51. The respective bearing element 51, in turn, is guided vertically movably in an element 50. The mounting of the die shaft 14 is also integrated into the element 50. The rotary embossing device 10 also has a device 40 for lifting the male part 11. This comprises two pneumatic cylinders 47. A respective pneumatic cylinder is connected at its upper end to the machine frame (not shown) and its lower end connected to the Matrizenwelle 13. The pneumatic cylinders 47 are controlled by a control device 52 so that the male shaft 13 is raised directly after completion of a respective embossing process and lowered directly before the start of each embossing process. By the lifting movement b of the two pneumatic cylinders 47, the male part 11 also undergoes a movement b.

Fig. 3c zeigt eine Rotationsprägeeinrichtung 10, wie sie, wie in Fig. 1 dargestellt, in einer Faltschachtelklebemaschine 1 verbaut wird. Die Patrize 11 ist auf einer Patrizenwelle 13 gelagert, die Matrize 12 auf einer Matrizenwelle 14. Matrizenwelle 13 und Patrizenwelle 14 sind parallel zueinander angeordnet. Während eines Prägevorgangs wird ein Faltschachtelzuschnitt 2 (nicht dargestellt) zwischen Patrize 11 und Matrize 12 hindurchbewegt und die Patrize 11 rollt auf der Matrize 12 ab. Die Patrizenwelle 13 ist an ihren beiden Enden jeweils in einem Lagerelement 51 gelagert. Dieses Lagerelement 51 wiederum ist in einem Element 50 vertikal beweglich geführt. In das Element 50 ist auch die Lagerung der Matrizenwelle integriert. Die Rotationsprägeeinrichtung 10 verfügt weiterhin über eine Einrichtung 40 zum Anheben der Patrize 11. Diese umfasst einen steuerbaren Elektromotor 48, welcher am Maschinengestellt (nicht dargestellt) befestigt ist. Die Drehachse des Motors 48 ist verbunden mit einem Exzenter 49, welcher über einen Zylinder auf die Patrizenwelle 13 wirkt. Exzenter und Zylinder wirken zusammen als ein Pleuel 49. Bei einer Umdrehung des Elektromotors 48 führt der Zylinder, getrieben durch den Exzenter 49, eine Hubbewegung b aus. Diese Hubbewegung b wird über die Patrizenwelle 13 auf die Patrize 11 übertragen, so dass die Patrize 11 durch eine Bewegung b abgehoben werden kann. Der Elektromotor 48 wird von einer Steuerung 52 dabei so angesteuert, dass die Patrize 11 direkt nach Beendigung eines jeweiligen Prägevorgangs abgehoben und direkt vor Beginn eines jeweiligen Prägevorgangs abgesenkt wird. Fig. 3c shows a rotary embossing device 10, as they, as in Fig. 1 represented, is installed in a Faltschachtelklebemaschine 1. The male part 11 is mounted on a male shaft 13, the female part 12 on a female shaft 14. Matrizenwelle 13 and Patrizenwelle 14 are arranged parallel to each other. During an embossing operation, a carton blank 2 (not shown) is moved between male and female dies 12 and the male die 11 rolls on the female die 12. The Patrizenwelle 13 is mounted at its two ends in each case in a bearing element 51. This bearing element 51, in turn, is guided vertically movably in an element 50. In the element 50 and the storage of the die shaft is integrated. The rotary embossing device 10 further has a device 40 for lifting the male part 11. This comprises a controllable electric motor 48, which is fixed to the machine set (not shown). The axis of rotation of the motor 48 is connected to an eccentric 49 which acts on the male shaft 13 via a cylinder. Eccentric and cylinder act together as a connecting rod 49. In one revolution of the electric motor 48, the cylinder, driven by the eccentric 49, performs a stroke b. This lifting movement b is transmitted via the male shaft 13 on the male part 11, so that the male part 11 can be lifted by a movement b. The electric motor 48 is thereby controlled by a controller 52 triggered that the male part 11 is lifted immediately after completion of each embossing process and lowered immediately before the start of each embossing process.

Die Patrizenwelle 13 wird also bei allen drei zuvor beschriebenen Ausführungsformen nur in der Asynchronphase angehoben, d. h. dann, wenn nicht geprägt wird. Die Dauer der Asynchronphase ist bestimmt durch die Erstreckung X der zu erzeugenden Prägung 21 und die Geschwindigkeiten vP und vM. Der Abstand zwischen Patrize 11 und Faltschachtelzuschnitt 2 in der Asynchronphase erlaubt es, die Prägestempel der Patrize 11 relativ zur Position einer mit einer Prägung zu versehenden Fläche 21 des Faltschachtelzuschnitts 2 zu positionieren und damit zu synchronisieren. Durch das Anheben der Patrize 11 direkt nach dem Prägevorgang und durch das Absenken der Patrize 11 direkt vor dem Prägevorgang wird die Dauer der Asynchronphase maximiert und für die Synchronisierung steht eine größere Zeit zur Verfügung.The Patrizenwelle 13 is thus raised in all three embodiments described above only in the asynchronous phase, d. H. then, if not embossed. The duration of the asynchronous phase is determined by the extent X of the embossment 21 to be generated and the speeds vP and vM. The distance between the male part 11 and folding carton blank 2 in the asynchronous phase makes it possible to position the dies of the male part 11 relative to the position of a surface 21 of the folding carton blank 2 to be embossed and to synchronize them. By raising the male part 11 immediately after the embossing process and by lowering the male part 11 just before the embossing process, the duration of the asynchronous phase is maximized and a longer time is available for the synchronization.

Wie in Fig. 2a gezeigt, besitzt die Rotationsprägeeinrichtung 10 im Bereich der Matrize 12 eine gesteuerte Blasluftdüse 46, welche durch die Steuerung 52 angesteuert wird. Für die Dauer der Asynchronphase, d. h. solange sich die Patrize 11 in angehobenem Zustand befindet, wird durch die Blasluftdüse 46 Luft zwischen die Matrize 12 und den Faltschachtelzuschnitt 2 geblasen und somit ein dünner Spalt zwischen Matrize 12 und Faltschachtelzuschnitt 2 erzeugt. Dadurch wird erreicht, dass Matrize 12 und Faltschachtelzuschnitt 2 während der Asynchronphase nicht miteinander in Berührung sind und Markierungen aufgrund von Relativbewegungen zwischen Matrize 12 und Faltschachtelzuschnitt 2 werden vermieden.As in Fig. 2a shown, the rotary embossing device 10 in the region of the die 12 has a controlled Blasluftdüse 46, which is controlled by the controller 52. For the duration of the asynchronous phase, ie as long as the male part 11 is in the raised state, air is blown between the die 12 and the folding box blank 2 by the blowing air nozzle 46, thus producing a thin gap between the die 12 and the folding box blank 2. This ensures that the die 12 and folding carton blank 2 are not in contact during the asynchronous phase and markings due to relative movements between the die 12 and folding carton blank 2 are avoided.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Faltschachtelklebemaschinegluer
22
Faltschachtelzuschnittfolding box
1010
RotationsprägeeinrichtungRotary embosser
1111
Patrizepunch
1212
Matrizedie
1313
PatrizenwellePatrizenwelle
1414
MatrizenwelleMatrizenwelle
2121
mit einer Prägung zu versehende Flächearea to be imprinted
4040
Einrichtung zum Anheben der PatrizeDevice for lifting the patrix
4141
Stützenpaarpair of supports
4242
Führungsbänderguide belts
4343
Federpaketspring assembly
4444
Stellelementactuator
4545
Schwenklagerpivot bearing
4646
Blasluftdüseblowing air nozzle
4747
Pneumatikzylinderpneumatic cylinder
4848
Elektromotorelectric motor
4949
Pleuel oder ExzenterConnecting rod or eccentric
5050
Lagerung Matrizenwelle mit Führung für 51Stem shaft with guide for 51
5151
Lagerung Patrizenwelle, geführt durch 50Storage Patrizenwelle, led by 50
5252
Steuereinheitcontrol unit
vPvP
Geschwindigkeit PatrizeSpeed male
vMvM
Geschwindigkeit MatrizeSpeed die
vFvF
Geschwindigkeit FaltschachtelzuschnittSpeed folding carton blank
AA
Abstand zweiter FaltschachtelzuschnitteDistance between second folding carton blanks
TT
Transportrichtungtransport direction
XX
Länge der zu erzeugenden PrägungLength of the embossing to be produced
FF
Biegekraftbending force
BB
Berührungslinie Patrize-FaltschachtelzuschnittTouch line male folding carton blank
bb
Bewegung der PatrizeMovement of the patrix

Claims (8)

Rotationsprägeeinrichtung (10) mit zwei rotierenden zylinderförmigen Prägewerkzeugen (11, 12), wobei es sich um eine Patrize (11) und eine Matrize (12) handelt, zum Einbringen von Prägungen, insbesondere Blindenschrift, in einen Bedruckstoff (2), insbesondere einen Faltschachtelzuschnitt, wobei der Abstand zwischen den Mantelflächen von Patrize (11) und Matrize (12) während des Prägevorgangs in etwa der Dicke des zu bearbeitenden Bedruckstoffes entspricht,
dadurch gekennzeichnet,
dass die Rotationsprägeeinrichtung (10) eine Einrichtung (40) zur temporären Abstandveränderung von Patrize (11) und Matrize (12) und eine zugeordnete Steuerung (52) besitzt,
wobei die Steuerung ein Anheben der Patrize (11) direkt nach Beendigung eines jeweiligen Prägevorgangs und ein Absenken direkt vor Beginn eines jeweiligen Prägevorgangs durch die Einrichtung (40) zur temporären Abstandsveränderung einleitet.Rotational embossing device (10) with two rotating cylindrical embossing tools (11, 12), which is a male (11) and a die (12), for introducing embossments, in particular Braille, into a printing material (2), in particular a Faltschachtelzuschnitt , wherein the distance between the lateral surfaces of male part (11) and female part (12) during the embossing process corresponds approximately to the thickness of the printing material to be processed,
characterized,
in that the rotary embossing device (10) has a device (40) for temporarily changing the distance between male part (11) and female part (12) and an associated control (52),
wherein the control initiates lifting of the male part (11) immediately after completion of each embossing operation and lowering just before the start of each embossing operation by the temporary distance changing means (40). Rotationsprägeeinrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass die Patrize (11) und die Matrize (12) querverschieblich auf einer Matrizenwelle (14) bzw. einer Patrizenwelle (13) angebracht sind.Rotary embossing device according to claim 1,
characterized,
in that the male part (11) and the female part (12) are mounted transversely displaceably on a die shaft (14) or a male shaft (13). Rotationsprägeeinrichtung nach einem der Ansprüche 1-2,
dadurch gekennzeichnet,
dass die Patrize auf einer Patrizenwelle (13) gelagert ist und die Einrichtung (40) zur temporären Abstandveränderung mindestens einen mit der Patrizenwelle (13) verbundenen Pneumatikzylinder (47) besitzt, der ein temporäreres Anheben der Patrizenwelle (13) bewirkt.Rotary embossing device according to one of claims 1-2,
characterized,
in that the male part is mounted on a male shaft (13) and the device (40) for temporarily changing the distance has at least one pneumatic cylinder (47) connected to the male shaft (13) which effects a temporary lifting of the male shaft (13). Rotationsprägeeinrichtung nach einem der Ansprüche 1-2,
dadurch gekennzeichnet,
dass die Patrize auf einer Patrizenwelle (13) gelagert ist und die Einrichtung (40) zur temporären Abstandveränderung einen über ein Pleuel (49) oder einen Exzenter (49) mit der Patrizenwelle (13) verbundenen steuerbaren Elektromotor (48) besitzt, welche zusammen ein temporäreres Anheben der Patrizenwelle (13) bewirken.Rotary embossing device according to one of claims 1-2,
characterized,
in that the male part is mounted on a male shaft (13) and the device (40) for temporary displacement of a distance via a connecting rod (49) or an eccentric (49) with the male shaft (13) connected controllable electric motor (48) which together cause a temporary lifting of the male shaft (13). Rotationsprägeeinrichtung nach einem der Ansprüche 1-2,
dadurch gekennzeichnet,
dass die Patrize auf einer Patrizenwelle (13) gelagert ist und die Einrichtung (40) zur temporären Abstandveränderung mit der Patrizenwelle (13) verbunden ist und deren temporäre Durchbiegung bewirkt.Rotary embossing device according to one of claims 1-2,
characterized,
in that the male part is mounted on a male shaft (13) and the device (40) is connected to the male shaft (13) for the purpose of temporarily changing the distance and effects its temporary deflection. Rotationsprägeeinrichtung nach Anspruch 5,
dadurch gekennzeichnet,
dass die Patrizenwelle (13) an ihren Enden durch je ein Stützenpaar (41) gelagert ist, welches jeweils eine Angriffsstelle für die Einleitung einer Biegekraft (F) besitzt.Rotary embossing device according to claim 5,
characterized,
in that the male shaft (13) is mounted at its ends by a respective pair of supports (41) each having an engagement point for the introduction of a bending force (F). Rotationsprägeeinrichtung nach einem der Ansprüche 1-6,
dadurch gekennzeichnet,
dass die Rotationsprägeeinrichtung (10) eine gesteuerte Blasluftdüse (46) besitzt, deren Luftstrahl außer während des Prägevorgangs einen Spalt zwischen Matrize (12) und Bedruckstoff (2) erzeugt.Rotary embossing device according to one of claims 1-6,
characterized,
in that the rotary embossing device (10) has a controlled blown air nozzle (46) whose air jet generates a gap between the die (12) and printing material (2), except during the embossing process. Faltschachtelklebemaschine (1) mit einer Rotationsprägeeinrichtung (10) nach einem der Ansprüche 1 bis 7.Folding box gluing machine (1) with a rotary embossing device (10) according to one of claims 1 to 7.
EP08105828.1A 2007-12-13 2008-11-20 Rotation embossing device and box folding and glueing machine Active EP2070721B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007060581A DE102007060581A1 (en) 2007-12-13 2007-12-13 Rotary embosser

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EP2070721A2 true EP2070721A2 (en) 2009-06-17
EP2070721A3 EP2070721A3 (en) 2011-08-31
EP2070721B1 EP2070721B1 (en) 2016-06-08

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EP (1) EP2070721B1 (en)
DE (1) DE102007060581A1 (en)

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EP2422971A3 (en) * 2010-08-31 2012-07-11 Heidelberger Druckmaschinen AG Tool holding device
EP2422993A3 (en) * 2010-08-31 2012-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Braille casing
CN103029499A (en) * 2011-09-30 2013-04-10 湖南晟通科技集团有限公司 Edge knurling machine
CN105437749A (en) * 2015-12-20 2016-03-30 北京金彩精机科技发展有限责任公司 In-line embossing mechanism of intaglio printing press
CN107313239A (en) * 2016-12-31 2017-11-03 莆田市坚强缝制设备有限公司 A kind of ship socks blanking machine

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
DE102011116294A1 (en) * 2011-10-18 2013-04-18 Heidelberger Druckmaschinen Ag Method for operating a device for embossing
DE102012019372A1 (en) 2011-10-26 2013-05-02 Heidelberger Druckmaschinen Ag Method for embossing products with a rotary embossing device
CN105015034A (en) * 2015-07-24 2015-11-04 苏州叠创机电科技有限公司 Carton printing lifting device

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EP0752309A2 (en) 1995-07-07 1997-01-08 Atena Corporation Embossed pattern stamping apparatus
EP1447211A2 (en) 2003-02-13 2004-08-18 Hermann Hötten Maschinenbau GmbH Method and device for embossing transverse grooves on both sides of a web
EP1537920A1 (en) 2003-12-01 2005-06-08 Jean Henry Robert Madern Installation for making a cut, crease and the like having a plate-shaped frame
US20060236878A1 (en) 2005-04-21 2006-10-26 Toshiba Kikai Kabushiki Kaisha Embossed sheet forming apparatus and rotary phase difference control method
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2422971A3 (en) * 2010-08-31 2012-07-11 Heidelberger Druckmaschinen AG Tool holding device
EP2422993A3 (en) * 2010-08-31 2012-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Braille casing
US8926486B2 (en) 2010-08-31 2015-01-06 Heidelberger Druckmaschinen Ag Tool holding device and sheet-processing machine and folding carton gluer having the device
CN103029499A (en) * 2011-09-30 2013-04-10 湖南晟通科技集团有限公司 Edge knurling machine
CN103029499B (en) * 2011-09-30 2016-06-22 晟通科技集团有限公司 A kind of edge knurling machine
CN105437749A (en) * 2015-12-20 2016-03-30 北京金彩精机科技发展有限责任公司 In-line embossing mechanism of intaglio printing press
CN107313239A (en) * 2016-12-31 2017-11-03 莆田市坚强缝制设备有限公司 A kind of ship socks blanking machine
CN107313239B (en) * 2016-12-31 2023-08-18 莆田市坚强缝制设备有限公司 Ankle socks blanking machine

Also Published As

Publication number Publication date
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EP2070721A3 (en) 2011-08-31
DE102007060581A1 (en) 2009-06-18

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