EP3115204B1 - Device for producing printed products - Google Patents

Device for producing printed products Download PDF

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Publication number
EP3115204B1
EP3115204B1 EP16001366.0A EP16001366A EP3115204B1 EP 3115204 B1 EP3115204 B1 EP 3115204B1 EP 16001366 A EP16001366 A EP 16001366A EP 3115204 B1 EP3115204 B1 EP 3115204B1
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EP
European Patent Office
Prior art keywords
roller
reference element
pivot arm
gap
drive
Prior art date
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Active
Application number
EP16001366.0A
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German (de)
French (fr)
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EP3115204A1 (en
Inventor
Christian Schmale
Kai Winkelmann
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.)
Kolbus GmbH and Co KG
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Kolbus GmbH and Co KG
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Publication of EP3115204A1 publication Critical patent/EP3115204A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F3/00—Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/304—Arrangements for inking roller bearings, forks or supports
    • B41F31/307—Sliding bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/02—Arrangements of indicating devices, e.g. counters
    • 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
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs

Definitions

  • the present invention relates to an apparatus for the production of printed products, comprising an arrangement of interacting rollers and a device for adjusting the center distance of two rollers according to the preamble of claim 1.
  • Paper and / or board processing machines with an arrangement of a plurality of mutually parallel rolls are known, which comprise means for adjusting the roll distances from each other.
  • the font DE 602 14 133 T2 discloses such a machine in the form of a machine for the production of corrugated cardboard. This comprises a first corrugating roller which cooperates on the one hand with a second corrugating roll to wave a paper web, and on the other hand with an adhesive cylinder for applying adhesive to the peaks of the paper web and a pressure roller feeding a second paper web, all said rollers and cylinders with their Axes are arranged parallel to each other.
  • the adhesive cylinder is supported in a swinging structure which is pivotable about axes parallel to the rolls.
  • a pair of first eccentrics are disposed above the plane defined by the axes of the glue cylinder and the first corrugating roll, which serve as a stop for the swing construction and are independently adjustable to serve a precise parallel alignment of the glue cylinder with the first corrugating roll.
  • a further eccentric is provided, which is arranged opposite the pair of first eccentric relative to the said plane, and allows pivoting of the swinging construction around the stop serving as a pair of first eccentric and thus adjusting the gap width.
  • the adhesive cylinder has a freewheel and is driven such that its peripheral speed is slightly lower than the peripheral speed of the corrugated paper web transported on the first corrugating roller.
  • the freewheel is equipped with sensors that monitor whether a drive torque is applied via the freewheel on the adhesive cylinder. This allows indirect monitoring, whether a drive of the adhesive cylinder on the freewheel or on the first corrugating roll transported paper web and thus, whether the gap width allows an adhesive transfer.
  • the largest possible gap width is initially set via the additional eccentric, in order subsequently to reduce the gap with the machine running until a drive of the adhesive cylinder over the corrugating roll is ascertained.
  • the actually set gap width remains unknown, so that during each adjustment this slow approach is required anew and can only be done while the machine is running and not at a standstill.
  • such a gap width adjustment is heavily dependent on the material properties of the paper web, the adhesive cylinder and possibly on the adhesive cylinder adhesive adhering. Too high an approach speed of the adhesive cylinder to the corrugating roll leads to narrower gap widths than desired in connection with the inertia of the information processing of the drive monitoring.
  • document DE-A-.2008 013315 discloses an apparatus according to the preamble of claim 1.
  • the object of the invention is to provide a device of the generic type, which improves the adjustability of the nip.
  • the invention achieves the object by a device having the features of claim 1.
  • Advantageous developments of the invention are characterized by the features specified in the subclaims.
  • the device for producing printed products comprises at least two cooperating and forming a pair of rollers, which are arranged parallel to each other and together form a gap and of which a first roller is pivotally mounted about a pivot axis parallel to the rollers, that by pivoting the first roller around the pivot axis, the gap width of the gap formed by the roller pair is changed.
  • at least one pivot arm is provided, which is arranged pivotably about the pivot axis of the first roller and receives the bearing of the first roller, so that the pivoting of the pivot arm, the first roller is pivoted.
  • the device comprises a linear guide and along this guide linearly movable reference element whose position corresponds along its trajectory of the gap width of the gap formed by the at least one pair of rollers.
  • the gap width is mapped in a linear reference system and is characterized in a particularly simple manner and precisely detectable without having to capture the gap forming and rotating rollers themselves.
  • the device preferably comprises a first drive as a pivot drive drivingly connected to the swivel arm.
  • a controllable drive as a rotary actuator, which is controlled by a controller of the device. This way, even heavy rolls can be swiveled and an automation of the gap setting is made possible.
  • an adjustable first stop is provided, which limits the pivoting movement of the pivot arm and thus the first roller on one side.
  • the adjustable first stop is arranged such that the smallest achievable by the pivot drive gap determines.
  • a second drive is associated with the adjustable first stop, which is drive-connected with this. In particular, in a control of the second drive by the control of the device an automated gap width adjustment is possible.
  • a mitschwenkender and said reference member displacing driver is arranged on the pivot arm, which transmits the pivotal movement of the pivot arm and thus the first roller to the reference element.
  • the driver engages in the manner of a slotted guide in a guide track of the reference element, which is designed so that it converts the pivotal movement of the pivot arm in a linear movement of the reference element, wherein there is a proportional relationship between the position of the reference element along its linear trajectory and the gap width , In this way, the gap acted upon by a constant factor can be read off exactly from the position of the reference element without the need for further arithmetic operations, in particular the use of trigonometric formulas.
  • the first roller comprises a shaft shoulder, which engages as a driver in the guide track of the reference element, so that position errors of the reference element due to manufacturing tolerances can be further reduced.
  • this shaft paragraph serves as a seat for a cam roller running in the guideway to decouple the slotted guide of rotation of the roller and thus to reduce their wear.
  • the device comprises a measuring device which detects the position of the reference element along its linear trajectory.
  • This measuring device supplies the control of the device with data, which are interpreted as the position of the reference element and thus as a gap width.
  • a non-contact displacement measuring system is used in the measuring device, which has no mechanical wear.
  • a magnetic sensor mounted on the reference element and moving with this magnetic strip and a frame-resistant and the magnetic strip across an air gap scanning is provided.
  • a reverse arrangement with magnetic stripe fixed to the frame and sensor attached to the reference element is also conceivable, but less advantageous due to the necessarily bending in the pivoting of the first roller line of the sensor.
  • the gap setting of the device forms a control loop, which is closed via the pivot drive, the measuring device and the control of the device.
  • the device in this case comprises a controllable drive, which allows any pivoting angle, so that can be dispensed with end stops. This way is an automated and very Precise adjustment of the gap width is possible, which eliminates reading and manual correction by an operator.
  • the gap setting of the device forms a control loop, which is closed via the actuator of the adjustable end stop of the pivoting movement, the measuring device and the control of the device.
  • this retains the advantage of allowing very simple drives, which allow pivoting from a first predetermined by a stop end length in a second predetermined by a further stop end position and back.
  • the gap width is predetermined by the first adjustable stop as described above.
  • a device with two as described and complementary control circuits also offers greater flexibility in the design of the movement curves for gap width changes.
  • pivot arm as an eccentric, which allows a simple and robust construction and high precision of the pivotable mounting of the first roller.
  • nip is adjustable in a very simple manner and with very high repeatability to different substrate thicknesses or to different plate thicknesses, so that the usability of the printing unit with respect to these parameters significantly expanded can be.
  • Sheet feeder with a gap adjustment of the transport gap according to the invention can be adjusted very easily, precisely and repeatably to different substrate thicknesses, without damaging sensitive sheets.
  • Roller pair 1 shown comprises a rotatable first roller 2 and a parallel to this and also rotatable second roller 3 , which together form a gap 5 with gap width 6 .
  • Both rollers 2 , 3 are driven by electric motors in a known manner, wherein the direction of rotation 31 of the first roller 2 of the direction of rotation 32 of the second roller 3 is only partially shown opposite.
  • the second roller 3 is mounted stationary in a machine frame, not shown.
  • the first roller 2 is movably mounted with variable gap width 6 to the second roller 3 .
  • a device is provided, which end of the first roller 2 comprises a pivot arm 8 which is mounted about a parallel to the rollers 2 , 3 pivot axis 7 pivotally mounted in the machine frame, not shown.
  • this pivot arm 8 the first roller 2 is mounted and thus pivotable together with the pivot arm 8 about the fixed frame pivot axis 7 , so that the gap width 6 between the first roller and the second roller is determined by the pivoting movement 33 .
  • a drive 9 which acts on the pivot arm 8 .
  • a pneumatic cylinder 9 is used, which pivots the pivot arm 8 with the first roller 2 selectively in a first end position or in a second end position.
  • the drive 9 is controllably connected to a controller 22 of the machine.
  • the according to Fig. 1 upper end position is determined by a frame-fixed first stop 10 .
  • This first stop 10 is adjustably designed as an eccentric whose axes are parallel to the pivot axis 7 of the pivot arm 8 .
  • a second drive 11 is provided which is controlled by a controller 22 of the machine.
  • the first roller 2 such a feed device is provided on both sides.
  • One of the pivot lever 8 is assigned a reference element 12 which is arranged linearly displaceable with respect to the machine frame.
  • a reference element 12 which is arranged linearly displaceable with respect to the machine frame.
  • it has a linear guide 13 from a perpendicular to the pivot axis 7 arranged guide rail 15 and a carriage 14 of known type.
  • the position of the reference element 12 along this linear trajectory 34 is determined by a driver 18 engaging in a guide track 17 of the reference element 12 , which is arranged on the pivot arm 8 , so that the reference element 12 on the link guide 17 and driver 18 16 of the swing arm 8 is moved linearly.
  • the cam track 17 of the slotted guide 16 is designed such that there is a proportional relationship between the gap width 6 on the one hand and the position of the reference element 12 along the linear trajectory 34 on the other hand.
  • the cam track 17 can be approximated by a linear track exactly sufficient.
  • large swivel angle results in a pronounced, significantly deviating from a straight curved path 17th
  • the device comprises a measuring device 19 , which detects the position of the reference element 12 along its linear trajectory 34 and thus indirectly the gap width 6.
  • This measuring device 19 is connected to the controller 22 of the machine such that this controller 22 receives information which it can interpret as the position of the reference element 12 along its linear trajectory 34 and via the described proportional relationship as a gap 6 .
  • the measuring device 19 comprises a non-contact displacement measuring system of a arranged on the reference element 12 and moving together with this magnetic strip 21 and a frame-fixed magnetic sensor 20 , which scans the magnetic strip 21 across an air gap and transmitted the data obtained therefrom to the controller 22 .
  • the controller 22 serves as a controller.
  • cross driver 18 When in the curve 17 of the slotted guide 16 cross driver 18 is a stocked with a cam roller shaft shoulder of the pivotable first roller 2 , so that the axis of the driver 18 and the axis 4 of the first roller 2 are identical.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zur Herstellung von Druckerzeugnissen, umfassend eine Anordnung miteinander wirkender Walzen und einer Einrichtung zum Einstellen des Achsabstandes zweier Walzen gemäß dem Oberbegriff nach Anspruch 1.The present invention relates to an apparatus for the production of printed products, comprising an arrangement of interacting rollers and a device for adjusting the center distance of two rollers according to the preamble of claim 1.

Es sind Papier und/oder Pappe verarbeitende Maschinen mit einer Anordnung mehrerer zueinander paralleler Walzen bekannt, welche Einrichtungen zum Einstellen der Walzenabstände zueinander umfassen. Die Schrift DE 602 14 133 T2 offenbart eine solche Maschine in Form einer Maschine zur Herstellung von Wellpappe. Diese umfasst eine erste Riffelwalze welche einerseits kämmend mit einer zweiten Riffelwalze zusammenwirkt, um eine Papierbahn zu wellen, und anderseits mit einem Klebstoffzylinder zum Auftragen von Klebstoff auf die Wellenberge der Papierbahn sowie einer eine zweite Papierbahn zuführenden Anpresswalze, wobei alle genannten Walzen und Zylinder mit ihren Achsen zueinander parallel angeordnet sind.Paper and / or board processing machines with an arrangement of a plurality of mutually parallel rolls are known, which comprise means for adjusting the roll distances from each other. The font DE 602 14 133 T2 discloses such a machine in the form of a machine for the production of corrugated cardboard. This comprises a first corrugating roller which cooperates on the one hand with a second corrugating roll to wave a paper web, and on the other hand with an adhesive cylinder for applying adhesive to the peaks of the paper web and a pressure roller feeding a second paper web, all said rollers and cylinders with their Axes are arranged parallel to each other.

Zum Einstellen des Spaltes zwischen dem Klebstoffzylinder und der ersten Riffelwalze ist der Klebstoffzylinder in einer Schwingenkonstruktion gelagert, welche um zu den Walzen parallele Achsen schwenkbar gestaltet ist. Es ist ein Paar erste Exzenter oberhalb der durch die Achsen von Klebstoffzylinder und erster Riffelwalze festgelegten Ebene angeordnet, welche als Anschlag für die Schwingenkonstruktion dienen und unabhängig voneinander einstellbar sind um einer exakt parallelen Ausrichtung des Klebstoffzylinders zu der ersten Riffelwalze zu dienen. Zusätzlich ist ein weiterer Exzenter vorgesehen, welcher dem Paar erster Exzenter bezogen auf die genannte Ebene gegenüberliegend angeordnet ist, und ein Schwenken der Schwingenkonstruktion um das als Anschlag dienende Paar erster Exzenter und damit ein Einstellen der Spaltweite ermöglicht.For adjusting the gap between the adhesive cylinder and the first corrugating roll, the adhesive cylinder is supported in a swinging structure which is pivotable about axes parallel to the rolls. A pair of first eccentrics are disposed above the plane defined by the axes of the glue cylinder and the first corrugating roll, which serve as a stop for the swing construction and are independently adjustable to serve a precise parallel alignment of the glue cylinder with the first corrugating roll. In addition, a further eccentric is provided, which is arranged opposite the pair of first eccentric relative to the said plane, and allows pivoting of the swinging construction around the stop serving as a pair of first eccentric and thus adjusting the gap width.

Der Klebstoffzylinder verfügt über einen Freilauf und wird derart angetrieben, dass seine Umfangsgeschwindigkeit geringfügig niedriger ist als die Umfangsgeschwindigkeit der auf der ersten Riffelwalze transportierten gewellten Papierbahn. Der Freilauf ist dabei mit Sensoren ausgestattet, welche überwachen, ob ein Antriebsmoment über den Freilauf auf den Klebstoffzylinder aufgebracht wird. Dies erlaubt eine indirekte Überwachung, ob ein Antrieb des Klebstoffzylinder über den Freilauf oder über die auf der ersten Riffelwalze transportierte Papierbahn erfolgt und damit, ob die Spaltweite einen Klebstoffübertrag erlaubt.The adhesive cylinder has a freewheel and is driven such that its peripheral speed is slightly lower than the peripheral speed of the corrugated paper web transported on the first corrugating roller. The freewheel is equipped with sensors that monitor whether a drive torque is applied via the freewheel on the adhesive cylinder. This allows indirect monitoring, whether a drive of the adhesive cylinder on the freewheel or on the first corrugating roll transported paper web and thus, whether the gap width allows an adhesive transfer.

Zum Einstellen der gewünschten Spaltweite wird zunächst über den zusätzlichen Exzenter die größtmögliche Spaltweite eingestellt, um anschließend bei laufender Maschine den Spalt so lange zu verkleinern, bis ein Antrieb des Klebstoffzylinders über die Riffelwalze festgestellt wird. Die tatsächlich eingestellte Spaltweite bleibt dabei unbekannt, so dass bei jedem Einstellvorgang diese langsame Annäherung von neuem erforderlich ist und nur bei laufender Maschine und nicht im Stillstand erfolgen kann. Darüber hinaus ist eine solche Spaltweiteneinstellung stark von den Materialeigenschaften der Papierbahn, dem Klebstoffzylinder und ggf. auf dem Klebstoffzylinder anhaftendem Klebstoff abhängig. Eine zu hohe Annährungsgeschwindigkeit des Klebstoffzylinders an die Riffelwalze führt in Zusammenhang mit der Trägheit der Informationsverarbeitung der Antriebsüberwachung zu engeren Spaltweiten als gewünscht.To set the desired gap width, the largest possible gap width is initially set via the additional eccentric, in order subsequently to reduce the gap with the machine running until a drive of the adhesive cylinder over the corrugating roll is ascertained. The actually set gap width remains unknown, so that during each adjustment this slow approach is required anew and can only be done while the machine is running and not at a standstill. In addition, such a gap width adjustment is heavily dependent on the material properties of the paper web, the adhesive cylinder and possibly on the adhesive cylinder adhesive adhering. Too high an approach speed of the adhesive cylinder to the corrugating roll leads to narrower gap widths than desired in connection with the inertia of the information processing of the drive monitoring.

Aus Druckmaschinen sind Einrichtungen zum Einstellen von Walzen zueinander bekannt, welche das Einstellen des auf ein zwischen den Walzen befindlichen Substrates wirkenden Druckes zum Ziel haben. Hierfür schlägt die Schrift EP 1 708 885 B1 eine Walzenlagerung vor, welche aus ineinander greifenden Zylindern aufgebaut ist, in deren Spalt über den Umfang verteilt mehrere Druckkammern angeordnet sind. Ein gezieltes Ansteuern dieser Druckkammern ermöglicht, die auf die Walzenlagerung wirkende aus den Druckkammern gemeinsam resultierende Kraft in Betrag und Richtung einzustellen. Eine solche Konstruktion ist aufwendig und erfordert den zusätzlichen Einsatz eines Fluids.From printing presses, means are known for adjusting rolls to one another, which have the aim of adjusting the pressure acting on a substrate located between the rolls. For this the writing beats EP 1 708 885 B1 a roller bearing ago, which is constructed of interlocking cylinders, in the gap distributed over the circumference a plurality of pressure chambers are arranged. A targeted activation of these pressure chambers makes it possible to adjust the force acting on the roll support and the force resulting from the pressure chambers in terms of magnitude and direction. Such a construction is complicated and requires the additional use of a fluid.

Auch hier ist die tatsächliche Spaltweite zwischen den Walzen unbekannt und von den Materialeigenschaften des zu bedruckenden Substrates abhängig. Darüber hinaus ist eine solche Kraftregelung nur bei der Verarbeitung von Endlosbahnen möglich, da es bei der Verarbeitung von Bogenmaterial zwangsweise bei aus dem Spalt auslaufendem Bogen zu einem ungewollten zusammenschlagen der Walzen und bei in den Spalt einlaufendem Bogen zu einem stoßartigen Aufdrücken und bei höheren Geschwindigkeiten zu einem Überschwingen der Spaltweite und damit zu Beschädigungen der Walzen und der vorlaufenden Bogenkante kommt. Dokument DE-A-.2008 013315 offenbart eine Vorrichtung gemäß Oberbegriff von Anspruch 1. Aufgabe der Erfindung ist es, eine Vorrichtung gattungsgemäßer Art zu schaffen, welche die Einstellbarkeit des Walzenspaltes verbessert.Again, the actual gap between the rollers is unknown and depends on the material properties of the substrate to be printed. In addition, such a force control is possible only in the processing of continuous webs, as it inevitably in the processing of sheet material at auslaufendem from the gap sheet to an unintentional collapse of the rolls and in the gap incoming sheet to a shock-like pressing and at higher speeds an overshoot of the gap width and thus to damage the rollers and the leading edge of the sheet comes. document DE-A-.2008 013315 discloses an apparatus according to the preamble of claim 1. The object of the invention is to provide a device of the generic type, which improves the adjustability of the nip.

Die Erfindung löst die Aufgabe durch eine Vorrichtung mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind durch die in den Unteransprüchen angegebenen Merkmale gekennzeichnet.The invention achieves the object by a device having the features of claim 1. Advantageous developments of the invention are characterized by the features specified in the subclaims.

Die Vorrichtung zur Herstellung von Druckerzeugnissen umfasst zumindest zwei zusammenwirkende und ein Walzenpaar bildende Walzen, welche zueinander parallel angeordnet sind und gemeinsam einen Spalt bilden und von denen eine erste Walze derart um eine zu den Walzen parallele Schwenkachse schwenkbar angeordnet ist, dass durch Schwenken der ersten Walze um die Schwenkachse die Spaltweite des von dem Walzenpaar gebildeten Spaltes verändert wird. Dazu ist wenigstens ein Schwenkarm vorgesehen, der um die Schwenkachse der ersten Walze schwenkbar angeordnet ist und die Lagerung der ersten Walze aufnimmt, so dass über das Schwenken des Schwenkarms die erste Walze geschwenkt wird. Weiterhin umfasst die Vorrichtung eine Linearführung sowie ein entlang dieser Führung linear bewegbares Referenzelement, dessen Position entlang seiner Bewegungsbahn der Spaltweite des von dem wenigstens einen Walzenpaar gebildeten Spaltes entspricht. So wird die Spaltweite in einem linearen Referenzsystem abgebildet und ist dadurch auf besonders einfache Weise und präzise erfassbar, ohne die den Spalt bildenden und rotierenden Walzen selbst erfassen zu müssen.The device for producing printed products comprises at least two cooperating and forming a pair of rollers, which are arranged parallel to each other and together form a gap and of which a first roller is pivotally mounted about a pivot axis parallel to the rollers, that by pivoting the first roller around the pivot axis, the gap width of the gap formed by the roller pair is changed. For this purpose, at least one pivot arm is provided, which is arranged pivotably about the pivot axis of the first roller and receives the bearing of the first roller, so that the pivoting of the pivot arm, the first roller is pivoted. Furthermore, the device comprises a linear guide and along this guide linearly movable reference element whose position corresponds along its trajectory of the gap width of the gap formed by the at least one pair of rollers. Thus, the gap width is mapped in a linear reference system and is characterized in a particularly simple manner and precisely detectable without having to capture the gap forming and rotating rollers themselves.

Vorzugsweise umfasst die Vorrichtung einen ersten Antrieb als mit dem Schwenkarm antriebsverbundener Schwenkantrieb. Vorteilhaft ist der Einsatz eines steuerbaren Antriebes als Schwenkantrieb, welcher von einer Steuerung der Vorrichtung angesteuert wird. So können auch schwere Walzen geschwenkt werden und eine Automatisierung der Spalteinstellung wird ermöglicht.The device preferably comprises a first drive as a pivot drive drivingly connected to the swivel arm. Advantageously, the use of a controllable drive as a rotary actuator, which is controlled by a controller of the device. This way, even heavy rolls can be swiveled and an automation of the gap setting is made possible.

In weiterer Ausgestaltung ist ein einstellbarer erster Anschlag vorgesehen, welcher die Schwenkbewegung des Schwenkarmes und damit der ersten Walze einseitig begrenzt. Vorzugsweise ist der einstellbare erste Anschlag derart angeordnet, dass die kleinste durch den Schwenkantrieb erreichbare Spaltweite festlegt. Damit ist es möglich, wenig präzise und damit sehr einfache und damit kostengünstige Antriebe wie Pneumatikzylinder als Schwenkantrieb zu nutzen und trotzdem eine hohe Präzision der Spalteinstellung zu erreichen. Vorteilhafter Weise ist dem einstellbaren ersten Anschlag ein zweiter Antrieb zugeordnet, welcher mit diesem antriebsverbunden ist. Insbesondere bei einer Ansteuerung des zweiten Antriebes durch die Steuerung der Vorrichtung ist eine automatisierte Spaltweiteneinstellung möglich.In a further embodiment, an adjustable first stop is provided, which limits the pivoting movement of the pivot arm and thus the first roller on one side. Preferably, the adjustable first stop is arranged such that the smallest achievable by the pivot drive gap determines. This makes it possible to use low-precision and thus very simple and thus cost-effective drives such as pneumatic cylinders as a rotary actuator and still achieve a high precision of the gap setting. Advantageously, a second drive is associated with the adjustable first stop, which is drive-connected with this. In particular, in a control of the second drive by the control of the device an automated gap width adjustment is possible.

Vorzugsweise ist an dem Schwenkarm ein mitschwenkender und das genannte Referenzelement verschiebender Mitnehmer angeordnet, welcher die Schwenkbewegung des Schwenkarmes und damit der ersten Walze auf das Referenzelement überträgt. Dazu greift der Mitnehmer in Art einer Kulissenführung in eine Führungsbahn des Referenzelementes, welche derart gestaltet ist, das sie die Schwenkbewegung des Schwenkarms in eine lineare Bewegung des Referenzelementes überführt, wobei zwischen der Position des Referenzelementes entlang seiner linearen Bewegungsbahn und der Spaltweite ein proportionaler Zusammenhang besteht. Auf diese Weise kann von der Position des Referenzelementes die mit einem konstanten Faktor beaufschlagte Spaltweite ohne das Erfordernis weiterer Rechenoperationen, insbesondere der Anwendung trigonometrischer Formeln exakt abgelesen werden.Preferably, a mitschwenkender and said reference member displacing driver is arranged on the pivot arm, which transmits the pivotal movement of the pivot arm and thus the first roller to the reference element. For this purpose, the driver engages in the manner of a slotted guide in a guide track of the reference element, which is designed so that it converts the pivotal movement of the pivot arm in a linear movement of the reference element, wherein there is a proportional relationship between the position of the reference element along its linear trajectory and the gap width , In this way, the gap acted upon by a constant factor can be read off exactly from the position of the reference element without the need for further arithmetic operations, in particular the use of trigonometric formulas.

In besonders einfacher Weise umfasst die erste Walze einen Wellenabsatz, welcher als Mitnehmer in die Führungsbahn des Referenzelementes greift, so dass Positionsfehler des Referenzelementes aufgrund von Fertigungstoleranzen weiter reduziert werden können. Dabei dient dieser Wellenabsatz als Sitz für eine in der Führungsbahn laufende Kurvenrolle, um die Kulissenführung von Rotation der Walze zu entkoppeln und damit ihren Verschleiß zu reduzieren.In a particularly simple manner, the first roller comprises a shaft shoulder, which engages as a driver in the guide track of the reference element, so that position errors of the reference element due to manufacturing tolerances can be further reduced. In this case, this shaft paragraph serves as a seat for a cam roller running in the guideway to decouple the slotted guide of rotation of the roller and thus to reduce their wear.

In Weitergestaltung umfasst die Vorrichtung eine die Position des Referenzelementes entlang dessen linearer Bewegungsbahn erfassende Messeinrichtung. Diese Messeinrichtung versorgt die Steuerung der Vorrichtung mit Daten, welche als Position des Referenzelementes und damit als Spaltweite interpretiert werden. Vorzugsweise findet ein berührungslos arbeitendes Wegmesssystem in der Messeinrichtung Verwendung, welches keinen mechanischen Verschleiß aufweist. Dazu ist ein an dem Referenzelement angebrachter und sich mit diesem bewegender Magnetstreifen und ein gestellfester und den Magnetstreifen über einen Luftspalt hinweg abtastender Magnetsensor vorgesehen. Eine umgekehrte Anordnung mit gestellfestem Magnetstreifen und an dem Referenzelement angebrachtem Sensor ist ebenso denkbar, aufgrund der sich notwendigerweise bei dem Schwenken der ersten Walze biegenden Leitung des Sensors aber weniger vorteilhaft.In a further embodiment, the device comprises a measuring device which detects the position of the reference element along its linear trajectory. This measuring device supplies the control of the device with data, which are interpreted as the position of the reference element and thus as a gap width. Preferably, a non-contact displacement measuring system is used in the measuring device, which has no mechanical wear. For this purpose, a magnetic sensor mounted on the reference element and moving with this magnetic strip and a frame-resistant and the magnetic strip across an air gap scanning is provided. A reverse arrangement with magnetic stripe fixed to the frame and sensor attached to the reference element is also conceivable, but less advantageous due to the necessarily bending in the pivoting of the first roller line of the sensor.

In einer ersten Ausgestaltung bildet die Spalteinstellung der Vorrichtung einen Regelkreis, welcher über den Schwenkantrieb, die Messeinrichtung und die Steuerung der Vorrichtung geschlossen wird. Als Schwenkantrieb umfasst die Vorrichtung in diesem Fall einen steuerbaren Antrieb, welcher beliebige Schwenkwinkel ermöglicht, so dass auf Endanschläge verzichtet werden kann. Auf diese Weise ist eine automatisierte und sehr Präzise Einstellung der Spaltweite möglich, bei der ein Ablesen und eine manuell angeforderte Korrektur durch einen Bediener entfallen.In a first embodiment, the gap setting of the device forms a control loop, which is closed via the pivot drive, the measuring device and the control of the device. As a rotary actuator, the device in this case comprises a controllable drive, which allows any pivoting angle, so that can be dispensed with end stops. This way is an automated and very Precise adjustment of the gap width is possible, which eliminates reading and manual correction by an operator.

Alternativ oder auch ergänzend zu dieser ersten Ausgestaltung bildet die Spalteinstellung der Vorrichtung einen Regelkreis, welcher über den Stellantrieb des einstellbaren Endanschlages der Schwenkbewegung, die Messeinrichtung und die Steuerung der Vorrichtung geschlossen wird. Als alternative Ausgestaltung behält diese den Vorteil bei, sehr einfache Antriebe zuzulassen, welche ein Schwenken von einer ersten durch einen Anschlag vorgegebenen Endlange in ein zweite durch einen weiteren Anschlag vorgegebene Endlage und zurück ermöglichen. In diesem Fall wird die Spaltweite wie oben beschrieben durch den ersten verstellbaren Anschlag vorgegeben. Eine Vorrichtung mit zwei wie beschriebenen und sich ergänzenden Regelkreisen bietet darüber hinaus eine höhere Flexibilität in der Gestaltung der Bewegungskurven für Spaltweitenveränderungen.Alternatively or in addition to this first embodiment, the gap setting of the device forms a control loop, which is closed via the actuator of the adjustable end stop of the pivoting movement, the measuring device and the control of the device. As an alternative embodiment, this retains the advantage of allowing very simple drives, which allow pivoting from a first predetermined by a stop end length in a second predetermined by a further stop end position and back. In this case, the gap width is predetermined by the first adjustable stop as described above. A device with two as described and complementary control circuits also offers greater flexibility in the design of the movement curves for gap width changes.

Vorteilhaft ist eine Ausführung des Schwenkarmes als Exzenter, welcher einen einfachen und robusten Aufbau sowie eine hohe Präzision der schwenkbaren Lagerung der ersten Walze ermöglich.Advantageous is an embodiment of the pivot arm as an eccentric, which allows a simple and robust construction and high precision of the pivotable mounting of the first roller.

Für den Rotations- oder Flexodruck vorgesehene Druckwerke mit einer erfindungsgemäßen Spalteinstellung bieten den Vorteil, dass der Walzenspalt auf sehr einfache Weise und mit sehr hoher Wiederholgenauigkeit auf unterschiedliche Substratstärken bzw. auf unterschiedliche Klischeedicken einstellbar ist, so dass die Einsetzbarkeit des Druckwerkes hinsichtlich dieser Parameter deutlich erweitert werden kann.For rotary or flexographic intended printing units with a gap adjustment according to the invention have the advantage that the nip is adjustable in a very simple manner and with very high repeatability to different substrate thicknesses or to different plate thicknesses, so that the usability of the printing unit with respect to these parameters significantly expanded can be.

Bogenanleger mit einer erfindungsgemäßen Spalteinstellung des Transportspaltes, lassen sich sehr einfach, präzise und wiederholgenau auf unterschiedliche Substratstärken einstellen, ohne empfindliche Bogen zu beschädigen.Sheet feeder with a gap adjustment of the transport gap according to the invention, can be adjusted very easily, precisely and repeatably to different substrate thicknesses, without damaging sensitive sheets.

Eine beispielhafte Ausführungsform der erfindungsgemäßen Vorrichtung wird anhand der Figur detailliert beschrieben. Es zeigt:

Fig. 1
eine schematische Darstellung eines Walzenpaares mit Einrichtung zum Einstellen der Spaltweite.
An exemplary embodiment of the device according to the invention will be described in detail with reference to FIG. It shows:
Fig. 1
a schematic representation of a pair of rollers with means for adjusting the gap width.

Das in Fig. 1 gezeigte Walzenpaar 1 umfasst eine drehbare erste Walze 2 und eine zu dieser parallele und ebenfalls drehbare zweite Walze 3, welche gemeinsam einen Spalt 5 mit Spaltweite 6 bilden. Beide Walzen 2, 3 sind in bekannter Weise elektromotorisch angetrieben, wobei die Drehrichtung 31 der ersten Walze 2 der Drehrichtung 32 der nur teilweise dargestellten zweiten Walze 3 entgegengesetzt ist. Die zweite Walze 3 ist in einem nicht dargestellten Maschinengestell ortsfest gelagert.This in Fig. 1 Roller pair 1 shown comprises a rotatable first roller 2 and a parallel to this and also rotatable second roller 3 , which together form a gap 5 with gap width 6 . Both rollers 2 , 3 are driven by electric motors in a known manner, wherein the direction of rotation 31 of the first roller 2 of the direction of rotation 32 of the second roller 3 is only partially shown opposite. The second roller 3 is mounted stationary in a machine frame, not shown.

Der ersten Walze 2 ist mit veränderbarer Spaltweite 6 zu der zweiten Walze 3 bewegbar gelagert. Dazu ist eine Einrichtung vorgesehen, welche endseitig der ersten Walze 2 einen Schwenkarm 8 umfasst, welcher um eine zu den Walzen 2, 3 parallele Schwenkachse 7 schwenkbar in dem nicht dargestellten Maschinengestell gelagert ist. In diesem Schwenkarm 8 ist die erste Walze 2 gelagert und damit gemeinsam mit dem Schwenkarm 8 um die gestellfeste Schwenkachse 7 schwenkbar, so dass die Spaltweite 6 zwischen der ersten Walze und der zweiten Walze durch die Schwenkbewegung 33 bestimmt wird.The first roller 2 is movably mounted with variable gap width 6 to the second roller 3 . For this purpose, a device is provided, which end of the first roller 2 comprises a pivot arm 8 which is mounted about a parallel to the rollers 2 , 3 pivot axis 7 pivotally mounted in the machine frame, not shown. In this pivot arm 8 , the first roller 2 is mounted and thus pivotable together with the pivot arm 8 about the fixed frame pivot axis 7 , so that the gap width 6 between the first roller and the second roller is determined by the pivoting movement 33 .

Es ist ein Antrieb 9 vorgesehen, der auf den Schwenkarm 8 wirkt. In besonders einfacher Weise wird dazu ein Pneumatikzylinder 9 eingesetzt, welcher den Schwenkarm 8 mit der ersten Walze 2 wahlweise in eine erste Endlage oder in eine zweite Endlage schwenkt. Für eine Automatisierung der Schwenkbewegung 33 ist der Antrieb 9 mit einer Steuerung 22 der Maschine steuerbar verbunden.There is a drive 9 is provided, which acts on the pivot arm 8 . In a particularly simple manner, a pneumatic cylinder 9 is used, which pivots the pivot arm 8 with the first roller 2 selectively in a first end position or in a second end position. For automation of the pivoting movement 33 , the drive 9 is controllably connected to a controller 22 of the machine.

Die gemäß Fig. 1 obere Endlage ist durch einen gestellfesten ersten Anschlag 10 festgelegt. Dieser erste Anschlag 10 ist verstellbar als Exzenter ausgebildet, dessen Achsen parallel zu der Schwenkachse 7 des Schwenkarmes 8 verlaufen. Durch Verdrehen des Exzenters 10 wird die obere Endlage des Schwenkarmes 8 und damit die Spaltweite 6 des Walzenpaares 1 in dieser oberen Endlage festgelegt. Für die Schwenkbewegung 35 des Exzenters 10 ist ein zweiter Antrieb 11 vorgesehen, der über eine Steuerung 22 der Maschine angesteuert wird.The according to Fig. 1 upper end position is determined by a frame-fixed first stop 10 . This first stop 10 is adjustably designed as an eccentric whose axes are parallel to the pivot axis 7 of the pivot arm 8 . By turning the eccentric 10 , the upper end position of the pivot arm 8 and thus the gap width 6 of the roller pair 1 is set in this upper end position. For the pivoting movement 35 of the eccentric 10 , a second drive 11 is provided which is controlled by a controller 22 of the machine.

Um jederzeit die Parallelität der Walzen 2, 3 zueinander zu gewährleisten, ist beidseitig der ersten Walze 2 eine solche Zustellvorrichtung vorgesehen.In order at all times to ensure the parallelism of the rollers 2 , 3 to each other, the first roller 2 such a feed device is provided on both sides.

Einem der Schwenkhebel 8 ist ein Referenzelement 12 zugeordnet, welches bzgl. des Maschinengestells linear verschiebbar angeordnet ist. Dazu weist es eine Linearführung 13 aus einer senkrecht zu der Schwenkachse 7 angeordneten Führungsschiene 15 und einem Führungswagen 14 bekannter Art auf. Die Position des Referenzelementes 12 entlang dieser linearen Bewegungsbahn 34 wird durch einen in eine Führungsbahn 17 des Referenzelementes 12 greifenden Mitnehmer 18 bestimmt, welcher an dem Schwenkarm 8 angeordnet ist, so dass das Referenzelement 12 über die aus Führungsbahn 17 und Mitnehmer 18 gebildete Kulissenführung 16 von dem Schwenkarm 8 linear mitbewegt wird.One of the pivot lever 8 is assigned a reference element 12 which is arranged linearly displaceable with respect to the machine frame. For this purpose, it has a linear guide 13 from a perpendicular to the pivot axis 7 arranged guide rail 15 and a carriage 14 of known type. The position of the reference element 12 along this linear trajectory 34 is determined by a driver 18 engaging in a guide track 17 of the reference element 12 , which is arranged on the pivot arm 8 , so that the reference element 12 on the link guide 17 and driver 18 16 of the swing arm 8 is moved linearly.

Die Kurvenbahn 17 der Kulissenführung 16 ist derart gestaltet, dass sich ein proportionaler Zusammenhang zwischen der Spaltweite 6 einerseits und der Position des Referenzelementes 12 entlang dessen linearer Bewegungsbahn 34 andererseits ergibt.The cam track 17 of the slotted guide 16 is designed such that there is a proportional relationship between the gap width 6 on the one hand and the position of the reference element 12 along the linear trajectory 34 on the other hand.

Für geringe Schwenkwinkel des Schwenkarmes 8 kann die Kurvenbahn 17 durch eine lineare Bahn ausreichend exakt angenähert werden. Für große Schwenkwinkel ergibt sich dagegen eine ausgeprägte, deutlich von einer Geraden abweichende Kurvenbahn 17. F or small swivel angle of the swivel arm 8, the cam track 17 can be approximated by a linear track exactly sufficient. For large swivel angle, however, results in a pronounced, significantly deviating from a straight curved path 17th

Auch der Einfluss des Achsversatzes innerhalb des Walzenpaares 1 senkrecht zur Spaltweite 6 auf den Zusammenhang zwischen dem Schwenkwinkel des Schwenkarmes 8 einerseits und der Spaltweite 6 andererseits ist in der Kurvenbahn 17 derart berücksichtigt, dass der beschriebene proportionale Zusammenhang zwischen der Position des Referenzelements 12 entlang dessen linearer Bewegungsbahn 34 einerseits und der Spaltweite 6 andererseits gewährleistet ist.The influence of the axial offset within the roller pair 1 perpendicular to the gap width 6 on the relationship between the pivot angle of the pivot arm 8 on the one hand and the gap width 6 on the other hand is considered in the curved path 17 such that the described proportional relationship between the position of the reference element 12 along its linear Movement path 34 on the one hand and the gap width 6 on the other hand is guaranteed.

Die Vorrichtung umfasst eine Messeinrichtung 19, welche die Position des Referenzelementes 12 entlang dessen linearer Bewegungsbahn 34 und damit indirekt die Spaltweite 6 erfasst. Diese Messeinrichtung 19 ist derart mit der Steuerung 22 der Maschine verbunden, dass diese Steuerung 22 Informationen erhält, welche sie als Position des Referenzelementes 12 entlang dessen linearer Bewegungsbahn 34 und über den beschriebenen proportionalen Zusammenhang als Spaltweite 6 interpretieren kann.The device comprises a measuring device 19 , which detects the position of the reference element 12 along its linear trajectory 34 and thus indirectly the gap width 6. This measuring device 19 is connected to the controller 22 of the machine such that this controller 22 receives information which it can interpret as the position of the reference element 12 along its linear trajectory 34 and via the described proportional relationship as a gap 6 .

Dazu umfasst die Messeinrichtung 19 ein berührungslos arbeitendes Wegmesssystem aus einem an dem Referenzelement 12 angeordneten und sich gemeinsam mit diesem bewegenden Magnetstreifen 21 und einem gestellfesten Magnetsensor 20, welcher den Magnetstreifen 21 über einen Luftspalt hinweg abtastet und die daraus gewonnenen Daten an die Steuerung 22 übermittelt. Zur Steigerung des Automatisierungsgrades sind der den Exzenter als ersten Endanschlag 10 verstellende zweite Antrieb 11 und der Wegsensor 20 der Messeinrichtung 19 über die Steuerung 22 zu einem Regelkreis verbunden, in welchem die Steuerung 22 als Regler dient.For this purpose, the measuring device 19 comprises a non-contact displacement measuring system of a arranged on the reference element 12 and moving together with this magnetic strip 21 and a frame-fixed magnetic sensor 20 , which scans the magnetic strip 21 across an air gap and transmitted the data obtained therefrom to the controller 22 . To increase the degree of automation of the eccentric first end stop 10 adjusting second drive 11 and the displacement sensor 20 of the measuring device 19 are connected via the controller 22 to a control loop in which the controller 22 serves as a controller.

Als in die Kurve 17 der Kulissenführung 16 greifender Mitnehmer 18 dient ein mit einer Kurvenrolle bestückter Wellenabsatz der schwenkbaren ersten Walze 2, so dass die Achse des Mitnehmers 18 und die Achse 4 der ersten Walze 2 identisch sind.When in the curve 17 of the slotted guide 16 cross driver 18 is a stocked with a cam roller shaft shoulder of the pivotable first roller 2 , so that the axis of the driver 18 and the axis 4 of the first roller 2 are identical.

Claims (15)

  1. A device for producing printed products with at least two cooperating and parallel rollers (2, 3), which form at least one roller pair (1) and jointly define a gap (5), wherein at least a first roller (2) of the at least one roller pair (1) is arranged pivotably about an axis (7) extending parallel to the roller (2, 3) in such a way that the gap (5) between the rollers (2, 3) of the pair (1) is variable and the gap width (6) is defined by the pivoting position of the pivotable first roller (2), and with at least one pivot arm (8), on which the pivotable first roller (2) is mounted,
    characterized by at least one reference element (12) that can be moved by means of a linear guide (13) and the position of which along its linear moving direction (34) positively reproduces the gap width (6) of the roller pair (1) defined by the pivoting position of the pivotable first roller (2).
  2. The device according to claim 1, characterized by a first drive (9), which is connected to and drives the pivot arm (8) in such a way that it generates the pivoting motion (33) of the first roller (2).
  3. The device according to claim 2, characterized in that the first drive (9) is connected to and can be controlled by a control unit (22) of the device.
  4. The device according to one of the preceding claims, characterized by at least one adjustable first stop (10), which limits the pivoting motion (33) of the pivot arm (8) with the first roller (2) toward at least one side.
  5. The device according to claim 4, characterized by a second drive (11), which is connected to and drives the adjustable first stop (10) in such a way that it serves for adjusting the end position of the pivoting motion (33) of the pivot arm (8) with the first roller (2).
  6. The device according to one of the preceding claims, characterized by a driver (18) that is arranged on the pivot arm (8) and displaces the reference element (12) along its linear moving path (34).
  7. The device according to claim 6, characterized in that the reference element (12) and the driver (18) are connected to one another in the form of a slotted link (16), wherein the slotted link (16) corresponds to a curve that displaces the reference element (12) along its linear moving direction (34) and proportionally to the gap width (6) of the roller pair (1).
  8. The device according to claim 6 or 7, characterized in that the pivotable first roller (2) forms the driver (18) for displacing the reference element (12).
  9. The device according to one of the preceding claims, characterized by at least one measuring device (19) for measuring the position of the reference element (12) along its linear moving direction (34).
  10. The device according to claim 9, characterized in that the measuring device (19) is connected to a control unit (22) of the device in such a way that the control unit (22) receives information on the position of the reference element (12).
  11. The device according to claim 10, characterized in that the measuring device (19) is connected to the first drive (9) for actuating the pivot arm 8 in the form of a control loop by means of a control unit (22) of the device.
  12. The device according to claim 10 or 11, characterized in that the measuring device (19) is connected to the second drive (11) for adjusting the first stop (10) in the form of a control loop by means of a control unit (22) of the device.
  13. The device according to one of the preceding claims, characterized in that the pivot arm (8) for pivoting the first roller (2) is formed by an eccentric shaft.
  14. A printing unit with a device according to one of the preceding claims.
  15. A sheet feeder with a device according to one of claims 1-13.
EP16001366.0A 2015-06-29 2016-06-17 Device for producing printed products Active EP3115204B1 (en)

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DE102016215988A1 (en) * 2016-08-25 2018-03-01 Gallus Druckmaschinen Gmbh Machining plant and label printing machine with such a processing plant
JP6427237B1 (en) * 2017-08-07 2018-11-21 株式会社日商グラビア Bonding method and bonding apparatus for laminated sheet using gravure proofing machine and gravure proofing machine
JP6473481B1 (en) * 2017-08-07 2019-02-20 株式会社日商グラビア Method and apparatus for adhering laminated sheets using gravure proofing machine and gravure proofing machine
JP6427238B1 (en) * 2017-08-07 2018-11-21 株式会社日商グラビア Bonding method and bonding apparatus for laminated sheet using gravure proofing machine and gravure proofing machine
DE102017216793A1 (en) * 2017-09-22 2019-03-28 Gallus Druckmaschinen Gmbh Device for processing a web-shaped or arcuate substrate
EP3599104A1 (en) * 2018-07-25 2020-01-29 Müller Martini Holding AG Installation for discharging printed products of various or different thickness and method for transferring it to an outlet
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