EP1321411A1 - Method for the adjustment of the folding nips of a plurality of folding roller pairs as well as a folding apparatus for carrying out the method - Google Patents

Method for the adjustment of the folding nips of a plurality of folding roller pairs as well as a folding apparatus for carrying out the method Download PDF

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Publication number
EP1321411A1
EP1321411A1 EP01129502A EP01129502A EP1321411A1 EP 1321411 A1 EP1321411 A1 EP 1321411A1 EP 01129502 A EP01129502 A EP 01129502A EP 01129502 A EP01129502 A EP 01129502A EP 1321411 A1 EP1321411 A1 EP 1321411A1
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EP
European Patent Office
Prior art keywords
folding
roller
rollers
folding rollers
gap
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
EP01129502A
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German (de)
French (fr)
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EP1321411B1 (en
Inventor
Georg-Dietrich Dannemann
Klaus Stocklossa
Eberhard Krieger
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.)
MBO Postpress Solutions GmbH
Original Assignee
Maschinenbau Oppenweiler Binder GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Priority to DE50106223T priority Critical patent/DE50106223D1/en
Priority to EP01129502A priority patent/EP1321411B1/en
Priority to JP2002357020A priority patent/JP4123922B2/en
Priority to US10/315,146 priority patent/US6743161B2/en
Publication of EP1321411A1 publication Critical patent/EP1321411A1/en
Application granted granted Critical
Publication of EP1321411B1 publication Critical patent/EP1321411B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/144—Pockets or stops therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14—Buckling folders
    • B65H45/142—Pocket-type folders
    • B65H45/147—Pocket-type folders folding rollers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/224—Nip between rollers, between belts or between rollers and belts

Definitions

  • the invention relates to a method for adjusting the gap width of several Folding roller pairs that are provided on a folding machine.
  • a folding machine is known from DE 298 20 796 U1, which has several in a row has fold pairs arranged in the direction of sheet travel, between which one bow is performed at a time.
  • a folding roller of the first pair of folding rollers is arranged stationary, while the other folding rollers to form a folding gap with the other folding roller of the corresponding pair of folding rollers adjustable is.
  • the adjustable folding rollers are each by a pretensioning device biased towards the stationary roller.
  • On the feed table of the well-known Folding machine is arranged a thickness measuring device, the thickness of a first continuous sheet that is fed to the first pair of folding rollers. The The measured value determined is passed on to a process computer. There will be under Taking into account a respective folding scheme, the necessary gap widths calculated. Then the actuators for adjusting the adjustable folding rollers controlled until the actual values of position indicators match the calculated ones Correspond to target values. Corrections can be made using a keyboard as well via manual spindle drives acting parallel to the motor drives also act on the position detectors.
  • the invention has for its object a method for adjusting the gap width to provide several pairs of folding rollers with which the gap width can be increased can be automatically set and corrected easily and precisely.
  • the inventive method can with a folding machine with the features of claim 5 can be used.
  • the gap width when passing through a Sheet is measured on all pairs of folding rollers and then the folding roller gap by the assigned drive for each pair of folding rollers the recorded measured values is not a complicated calculation of the Fold gap widths depending on a thickness measurement required, as with the prior art known from DE-298 20 296 is the case.
  • the invention Process works without single sheet thickness measurement and faulty Gap width calculation. It can also include air pockets, sheet compression, roller wear and roller contamination are taken into account become. Correction of the gap widths is possible with an appropriate control of the drives by a process control possible, the correction values from an operator terminal, e.g. keyboard can be entered.
  • Such folding schemes are e.g. a zigzag fold or a wrap fold.
  • the recorded measurement values can be used to determine roller wear or roller contamination with previously determined or measured Reference values are compared.
  • the folding rollers are preferably by means of an adjustable folding roller kinematically connected drive brought into contact with each other.
  • the pocket folding tool 10 has six folding rollers 12 to arranged in parallel 22, which are arranged one after the other in the direction of sheet travel B.
  • the folding rollers 12 to 22 form 5 pairs of folding rollers, the first pair of folding rollers being one stationary rotatably mounted folding roller 12 and the adjustable folding roller 14, the second pair of folding rollers of the folding roller 14 and the adjustable folding roller 16, the third pair of folding rollers of the folding roller 16 and the adjustable folding roller 18, the fourth pair of folding rollers of the folding roller 18 and the adjustable folding roller 20 as well the last pair of folding rollers from the folding roller 20 and the adjustable folding roller 22 is formed.
  • the first to fourth pair of folding rollers are each followed by a folding pocket 24 to 30.
  • the adjustability of the folding rollers 14 to 22 is shown below with reference to the second Folding roller 14 explained in more detail.
  • the folding roller 14 is at the free end of an arm 34 of a two-armed handlebar 33 rotatably mounted around a machine Axis 36 is pivotable. One engages on the second arm 35 of the handlebar 33 Compression spring 38 on, by which the folding roller 14 is biased in the direction of the folding roller 12 becomes.
  • the second arm 35 of the handlebar 33 is also for adjustment the gap width between the folding rollers 12, 14 kinematically with an actuator 42 connected.
  • a distance measuring system 40 is assigned to the handlebar 33, that measures the deflection ⁇ S of the handlebar 33.
  • the actuators 42 and the displacement measuring systems 40 are equipped with a process computer 44 connected to the actuators 42 based on those of the displacement measuring systems 40 controls measured values. There is also a control panel on the process computer 44 46 connected, by means of its folding parameters and correction values can be entered into the process computer 44, which during the activation the actuators 42 are taken into account.
  • adjustable actuators 42 e.g. electrical Spindle drives, linear motors, voice coil drives, hydraulic cylinders or pneumatic cylinders be used.
  • the folding pockets 24 to 30 are in a known manner provided with actuators 48, through which the folding pockets the desired folding scheme can be set accordingly.
  • the actuators are used for the automatic setting of the folding nips 48 of all folding pockets 24 to 30 from the process computer 44 depending on the desired folding scheme controlled and the folding pockets 24 to 30 set.
  • all of the actuators acting on the control arms 33 are activated by the process computer 44 42 controlled so that the folding rollers 12 to 22 of the individual pairs of folding rollers come into contact with each other so that the width of the folding nip "0" is.
  • the handlebars 33 are in the direction of the others by the compression springs 38 Biasing roller of the pair of folding rollers biased.
  • the path measuring systems 40 can do so adjusted or preset that the measured path of the deflection of the Handlebar 33 is "0".
  • the value "0" is used as the reference value. If at a later automatic adjustment of the folding roller column the measured deflection is greater or less than 0 when the folding rollers are brought into contact can hereby be determined that the folding rollers are either worn out or are dirty.
  • the individual are adjustable Folding rollers 14 to 22 of the sheet thickness deflected accordingly. This deflection corresponds to the width of the folding nip, which is used for machining subsequent ones Bow is optimal.
  • the deflection is in each case determined by the path measuring system 40 measured and a corresponding measured value passed on to the process computer.
  • the process computer 44 controls the actuators 42 in such a way that first deflection of the deflection measured by the path measuring system becomes. Possibly. correction values can be entered via the keyboard 46. As a result, all are for the passage of further sheets through the pocket folder 10 Folding roll nip optimized.
  • a set value which was determined by a sample sheet (1st sheet), forms a setpoint for the nip setting.
  • This setpoint can be used in the production process constantly compared with the current actual value, which makes it possible changes in the folding nip (e.g. due to roller contamination, roller wear, Change in paper thickness) immediately in the production process and display.

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  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The sheet is passed between a pair of folding rollers (12,14). The folder roller (14) moves in relation to the other, for forming a folding nip. The folding nip width for each pair of folding rollers is detected based on which the movement of folding roller (14) connected kinematically to drive unit, is controlled. <??>An Independent claim is also included for sheet folding machine.

Description

Die Erfindung betrifft ein Verfahren zur Einstellung der Falzspaltenweite mehrerer Falzwalzenpaare, die an einer Falzmaschine vorgesehen sind.The invention relates to a method for adjusting the gap width of several Folding roller pairs that are provided on a folding machine.

Aus dem DE 298 20 796 U1 ist eine Falzmaschine bekannt, die mehrere hintereinander in Bogendurchlaufrichtung angeordnete Falzpaare aufweist, zwischen denen jeweils ein Bogen durchgeführt wird. Eine Falzwalze des ersten Falzwalzenpaars ist stationär angeordnet, während die anderen Falzwalzen zur Bildung eines Falzspaltes mit der anderen Falzwalze des entsprechenden Falzwalzenpaares verstellbar angeordnet ist. Die verstellbaren Falzwalzen sind jeweils durch eine Vorspanneinrichtung in Richtung der stationären Walze vorgespannt. Auf dem Zuführtisch der bekannten Falzmaschine ist eine Dickenmesseinrichtung angeordnet, die die Dicke eines ersten durchlaufenden Bogens misst, der dem ersten Falzwaizenpaar zugeführt wird. Der ermittelte Messwert wird an einen Prozessrechner weitergegeben. Dort werden unter Berücksichtigung eines jeweiligen Falzschemas die notwendigen Falzspaltweiten errechnet. Danach werden die Stellantriebe zur Verstellung der verstellbaren Falzwalzen so lange angesteuert, bis Ist-Werte von Positionsmeldern den errechneten Soll-Werten entsprechen. Korrekturen können sowohl über eine Tastatur als auch über zu den motorischen Antrieben parallel wirkende manuelle Spindelantriebe, die auch auf die Positionsmelder wirken, erfolgen.A folding machine is known from DE 298 20 796 U1, which has several in a row has fold pairs arranged in the direction of sheet travel, between which one bow is performed at a time. A folding roller of the first pair of folding rollers is arranged stationary, while the other folding rollers to form a folding gap with the other folding roller of the corresponding pair of folding rollers adjustable is. The adjustable folding rollers are each by a pretensioning device biased towards the stationary roller. On the feed table of the well-known Folding machine is arranged a thickness measuring device, the thickness of a first continuous sheet that is fed to the first pair of folding rollers. The The measured value determined is passed on to a process computer. There will be under Taking into account a respective folding scheme, the necessary gap widths calculated. Then the actuators for adjusting the adjustable folding rollers controlled until the actual values of position indicators match the calculated ones Correspond to target values. Corrections can be made using a keyboard as well via manual spindle drives acting parallel to the motor drives also act on the position detectors.

Eine rechnerische Ermittlung der notwendigen Falzspaltenweite ist problematisch, weil die Einstellwerte neben der Bogendicke und deren Toleranzen auch Lufteinschlüsse, die Bogenzusammendrückung, den Walzenverschleiß und die Walzenverschmutzung (Farb- und Puderaufträge) berücksichtigen müssen.Calculating the required gap width is problematic, because in addition to the sheet thickness and its tolerances, the setting values also include air pockets, sheet compression, roll wear and roll contamination (Paint and powder applications) must take into account.

Bei einer weiteren, aus der US-4,125,254 bekannten Vorrichtung werden zunächst alle Falzspaltweiten auf Null eingestellt. Dann wird ein Testbogen durch das Falzwerk geführt, wodurch die verstellbaren Falzwalzen ausgelenkt und in dieser ausgelenkten Position arretiert werden. Korrekturen der Falzspaltenweite sind bei dieser Falzmaschine jedoch nicht möglich, so dass die Einstellung der Falzwalzenspalte nicht praktikabel ist.In a further device known from US Pat. No. 4,125,254, first of all all gap widths set to zero. Then a test sheet is passed through the folder guided, whereby the adjustable folding rollers deflected and deflected in this Position can be locked. Corrections of the gap width are with this folding machine however not possible, so that the setting of the folding nips is not practical is.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Einstellung der Falzspaltenweite mehrerer Falzwalzenpaare bereitzustellen, mit dem die Falzspaltenweite auf einfache und präzise Weise automatisch eingestellt und korrigiert werden kann.The invention has for its object a method for adjusting the gap width to provide several pairs of folding rollers with which the gap width can be increased can be automatically set and corrected easily and precisely.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausführungsarten des erfindungsgemäßen Verfahrens sind Gegenstand der Patentansprüche 2 bis 4.This object is achieved by a method with the features of Claim 1 solved. Advantageous embodiments of the invention Procedures are the subject of claims 2 to 4.

Die erfindungsgemäße Verfahren kann bei einer Falzmaschine mit den Merkmalen des Patentanspruchs 5 verwendet werden.The inventive method can with a folding machine with the features of claim 5 can be used.

Da bei dem erfindungsgemäßen Verfahren die Falzspaltenweite beim Durchlauf eines Bogens an allen Falzwalzenpaaren gemessen wird und der Falzwalzenspalt anschließend durch den zugeordneten Antrieb bei jedem Falzwalzenpaar entsprechend den erfassten Messwerten eingestellt wird, ist keine komplizierte Berechnung der Falzspaltenweiten in Abhängigkeit von einer Dickenmessung erforderlich, wie es bei dem aus dem DE-298 20 296 bekannten Stand der Technik der Fall ist. Das erfindungsgemäße Verfahren arbeitet ohne Einzelbogendickenmessung und fehlerhafte Spaltweitenberechnung. Es können außerdem Lufteinschlüsse, die Bogenzusammendrückung, der Walzenverschleiß sowie die Walzenverschmutzung berücksichtigt werden. Eine Korrektur der Falzspaltenweiten ist durch eine entsprechende Ansteuerung der Antriebe durch eine Prozesssteuerung möglich, wobei die Korrekturwerte von einem Bedienterminal, z.B. einer Tastatur eingegeben werden können.Since in the method according to the invention the gap width when passing through a Sheet is measured on all pairs of folding rollers and then the folding roller gap by the assigned drive for each pair of folding rollers the recorded measured values is not a complicated calculation of the Fold gap widths depending on a thickness measurement required, as with the prior art known from DE-298 20 296 is the case. The invention Process works without single sheet thickness measurement and faulty Gap width calculation. It can also include air pockets, sheet compression, roller wear and roller contamination are taken into account become. Correction of the gap widths is possible with an appropriate control of the drives by a process control possible, the correction values from an operator terminal, e.g. keyboard can be entered.

Bei dem erfindungsgemäßen Verfahren können vorzugsweise bei der Einstellung Eigenschaften eines gewählten Falzschemas berücksichtigt werden. Solche Falzschemas sind z.B. ein Zick-Zack-Falz oder ein Wickelfalz.In the method according to the invention, preferably when setting Properties of a selected folding scheme are taken into account. Such folding schemes are e.g. a zigzag fold or a wrap fold.

Darüber hinaus können die erfassten Messwerte zur Bestimmung eines Walzenverschleißes oder einer Walzenverschmutzung mit vorher bestimmten bzw. gemessenen Referenzwerten verglichen werden. In addition, the recorded measurement values can be used to determine roller wear or roller contamination with previously determined or measured Reference values are compared.

Vorzugsweise werden die Falzwalzen mittels des mit einer verstellbaren Falzwalze kinematisch verbundenen Antriebs miteinander in Kontakt gebracht.The folding rollers are preferably by means of an adjustable folding roller kinematically connected drive brought into contact with each other.

Ein Ausführungsbeispiel der erfindungsgemäßen Falzmaschine wird anhand der beigefügten Zeichnung näher erläutert, die schematisch ein Taschenfalzwerk einer erfindungsgemäßen Falzmaschine zeigt.An embodiment of the folding machine according to the invention is illustrated in the accompanying Drawing explained in more detail, the schematic of a pocket folder of an inventive Folding machine shows.

Das Taschenfalzwerkzeug 10 weist sechs parallel angeordnete Falzwalzen 12 bis 22 auf, die in Bogendurchlaufrichtung B nacheinander angeordnet sind. Die Falzwalzen 12 bis 22 bilden 5 Falzwalzenpaare, wobei das erste Falzwalzenpaar von einer stationär drehbar gelagerten Falzwalze 12 und der verstellbaren Falzwalze 14, das zweite Falzwalzenpaar von der Falzwalze 14 und der verstellbaren Falzwalze 16, das dritte Falzwalzenpaar von der Falzwalze 16 und der verstellbaren Falzwalze 18, das vierte Falzwalzenpaar von der Falzwalze 18 und der verstellbaren Falzwalze 20 sowie das letzte Falzwalzenpaar von der Falzwalze 20 und der verstellbaren Falzwalze 22 gebildet wird.The pocket folding tool 10 has six folding rollers 12 to arranged in parallel 22, which are arranged one after the other in the direction of sheet travel B. The folding rollers 12 to 22 form 5 pairs of folding rollers, the first pair of folding rollers being one stationary rotatably mounted folding roller 12 and the adjustable folding roller 14, the second pair of folding rollers of the folding roller 14 and the adjustable folding roller 16, the third pair of folding rollers of the folding roller 16 and the adjustable folding roller 18, the fourth pair of folding rollers of the folding roller 18 and the adjustable folding roller 20 as well the last pair of folding rollers from the folding roller 20 and the adjustable folding roller 22 is formed.

Dem ersten bis vierten Falzwalzenpaar ist jeweils eine Falztasche 24 bis 30 nachgeordnet.The first to fourth pair of folding rollers are each followed by a folding pocket 24 to 30.

Die Verstellbarkeit der Falzwalzen 14 bis 22 wird nachstehend anhand der zweiten Falzwalze 14 näher erläutert. Die Falzwalze 14 ist an dem freien Ende eines Armes 34 eines zweiarmigen Lenkers 33 drehbar gelagert, der um eine maschinenfeste Achse 36 verschwenkbar ist. An dem zweiten Arm 35 des Lenkers 33 greift eine Druckfeder 38 an, durch die die Falzwalze 14 in Richtung der Falzwalze 12 vorgespannt wird. Der zweite Arm 35 des Lenkers 33 ist darüber hinaus zur Verstellung der Falzspaltenweite zwischen den Falzwalzen 12, 14 kinematisch mit einem Stellglied 42 verbunden. Außerdem ist dem Lenker 33 ein Wegmesssystem 40 zugeordnet, das die Auslenkung ΔS des Lenkers 33 misst.The adjustability of the folding rollers 14 to 22 is shown below with reference to the second Folding roller 14 explained in more detail. The folding roller 14 is at the free end of an arm 34 of a two-armed handlebar 33 rotatably mounted around a machine Axis 36 is pivotable. One engages on the second arm 35 of the handlebar 33 Compression spring 38 on, by which the folding roller 14 is biased in the direction of the folding roller 12 becomes. The second arm 35 of the handlebar 33 is also for adjustment the gap width between the folding rollers 12, 14 kinematically with an actuator 42 connected. In addition, a distance measuring system 40 is assigned to the handlebar 33, that measures the deflection ΔS of the handlebar 33.

Die Stellglieder 42 sowie die Wegmesssysteme 40 sind mit einem Prozessrechner 44 verbunden, der die Stellglieder 42 basierend auf den von den Wegmesssystemen 40 erfassten Messwerten steuert. An den Prozessrechner 44 ist darüber hinaus ein Bedienfeld 46 angeschlossen, mittels dessen Falzparameter sowie Korrekturwerte an dem Prozessrechner 44 eingegeben werden können, der diese bei der Ansteuerung der Stellglieder 42 berücksichtigt. Als regelbare Stellglieder 42 z.B. elektrische Spindelantriebe, Linearmotoren, Voice-Coil-Antriebe, Hydraulikzylinder oder Pneumatikzylinder verwendet werden. Die Falztaschen 24 bis 30 sind auf bekannte Weise mit Stellantrieben 48 versehen, durch die die Falztaschen dem gewünschten Falzschema entsprechend eingestellt werden können.The actuators 42 and the displacement measuring systems 40 are equipped with a process computer 44 connected to the actuators 42 based on those of the displacement measuring systems 40 controls measured values. There is also a control panel on the process computer 44 46 connected, by means of its folding parameters and correction values can be entered into the process computer 44, which during the activation the actuators 42 are taken into account. As adjustable actuators 42 e.g. electrical Spindle drives, linear motors, voice coil drives, hydraulic cylinders or pneumatic cylinders be used. The folding pockets 24 to 30 are in a known manner provided with actuators 48, through which the folding pockets the desired folding scheme can be set accordingly.

Zur automatischen Einstellung der Falzwalzenspalte werden zunächst die Stellantriebe 48 aller Falztaschen 24 bis 30 vom Prozessrechner 44 in Abhängigkeit vom gewünschten Falzschema angesteuert und die Falztaschen 24 bis 30 eingestellt. Gleichzeitig werden vom Prozessrechner 44 alle auf die Lenker 33 wirkenden Stellglieder 42 so angesteuert, dass die Falzwalzen 12 bis 22 der einzelnen Falzwalzenpaare miteinander in Kontakt kommen, so dass die Weite der Falzwalzenspalte "0" beträgt. Dabei werden die Lenker 33 durch die Druckfedern 38 in Richtung der anderen Falzwalze des Falzwalzenpaares vorgespannt.The actuators are used for the automatic setting of the folding nips 48 of all folding pockets 24 to 30 from the process computer 44 depending on the desired folding scheme controlled and the folding pockets 24 to 30 set. At the same time, all of the actuators acting on the control arms 33 are activated by the process computer 44 42 controlled so that the folding rollers 12 to 22 of the individual pairs of folding rollers come into contact with each other so that the width of the folding nip "0" is. The handlebars 33 are in the direction of the others by the compression springs 38 Biasing roller of the pair of folding rollers biased.

Bei Verwendung neuer Falzwalzen 12 bis 22 können die Wegmesssysteme 40 so justiert bzw. voreingestellt werden, dass der gemessene Weg der Auslenkung des Lenkers 33 "0" beträgt. Der Wert "0" wird als Referenzwert herangezogen. Wenn bei einer späteren automatischen Einstellung der Falzwalzenspalte die gemessene Auslenkung größer oder kleiner 0 ist, wenn die Falzwalzen in Kontakt gebracht werden, kann hierdurch festgestellt werden, dass die Falzwalzen entweder verschlissen oder verschmutzt sind.When using new folding rollers 12 to 22, the path measuring systems 40 can do so adjusted or preset that the measured path of the deflection of the Handlebar 33 is "0". The value "0" is used as the reference value. If at a later automatic adjustment of the folding roller column the measured deflection is greater or less than 0 when the folding rollers are brought into contact can hereby be determined that the folding rollers are either worn out or are dirty.

Zur automatischen Einstellung der Falzspaltenweite wird ein Bogen zwischen das erste Falzwalzenpaar 12, 14 eingeführt und durchläuft das Taschenfalzwerk 10 gemäß dem gewünschten Falzschema. Dabei werden die einzelnen verstellbaren Falzwalzen 14 bis 22 der Bogendicke entsprechend ausgelenkt. Diese Auslenkung entspricht der Weite der Falzwalzenspalte, die für die Bearbeitung nachfolgender Bogen optimal ist. Die Auslenkung wird jeweils durch das Wegmesssystem 40 gemessen und ein entsprechender Messwert an den Prozessrechner weitergegeben. Daraufhin steuert der Prozessrechner 44 die Stellglieder 42 so, dass die zuvor beim ersten Bogendurchlauf durch das Wegmesssystem gemessene Auslenkung eingestellt wird. Ggf. können Korrekturwerte über die Tastatur 46 eingegeben werden. Hierdurch sind für den Durchlauf weiterer Bögen durch das Taschenfalzwerk 10 alle Falzwalzenspalte optimiert.For the automatic adjustment of the gap width, an arc between the introduced first pair of folding rollers 12, 14 and passes through the pocket folding unit 10 according to the desired folding scheme. The individual are adjustable Folding rollers 14 to 22 of the sheet thickness deflected accordingly. This deflection corresponds to the width of the folding nip, which is used for machining subsequent ones Bow is optimal. The deflection is in each case determined by the path measuring system 40 measured and a corresponding measured value passed on to the process computer. The process computer 44 then controls the actuators 42 in such a way that first deflection of the deflection measured by the path measuring system becomes. Possibly. correction values can be entered via the keyboard 46. As a result, all are for the passage of further sheets through the pocket folder 10 Folding roll nip optimized.

Ein eingestellter Wert, der durch einen Musterbogen (1. Bogen) ermittelt wurde, bildet einen Sollwert für die Walzenspalteinstellung. Dieser Sollwert kann im Produktionsprozess ständig mit dem aktuellen Ist-Wert verglichen werden, wodurch es möglich ist, Veränderungen im Falzwalzenspalt (z.B. durch Walzenverschmutzung, Walzenabnutzung, Papierdickenveränderung) sofort im Produktionsprozess festzustellen und anzuzeigen.A set value, which was determined by a sample sheet (1st sheet), forms a setpoint for the nip setting. This setpoint can be used in the production process constantly compared with the current actual value, which makes it possible changes in the folding nip (e.g. due to roller contamination, roller wear, Change in paper thickness) immediately in the production process and display.

Claims (5)

Verfahren zur Einstellung der Falzspaltenweite mehrerer Falzwalzenpaare, die an einer Falzmaschine vorgesehen sind, bei dem die beiden Falzwalzen (12 bis 22) der Falzwalzenpaare in Kontakt miteinander gebracht werden, ein Bogen zwischen den beiden Falzwalzen (12 bis 22) der Falzwalzenpaare durchgeführt wird, wodurch sich wenigstens eine der beiden Falzwalzen (12 bis 22) unter Bildung eines Falzspaltes bezüglich der anderen bewegt, wobei bei jedem Falzwalzenpaar ein der Falzspaltenweite entsprechender Messwert bei der Durchführung des Bogens erfasst wird, und die Falzspaltenweiten der einzelnen Falzwalzenpaare durch Verstellung der wenigstens einen bewegbaren Falzwalze (14 bis 22) mittels eines mit dieser kinematisch verbundenen Antriebs (42) basierend auf den entsprechenden erfassten Messwerten eingestellt werden. Method for setting the gap width of several pairs of folding rollers, which are provided on a folding machine, in which the two folding rollers (12 to 22) of the folding roller pairs are brought into contact with one another, an arc is carried out between the two folding rollers (12 to 22) of the folding roller pairs, as a result of which at least one of the two folding rollers (12 to 22) moves with the formation of a folding gap with respect to the other, with a measurement value corresponding to the folding gap width being carried out for each pair of folding rollers Arc is detected, and the gap widths of the individual pairs of folding rollers are adjusted by adjusting the at least one movable folding roller (14 to 22) by means of a drive (42) kinematically connected thereto based on the corresponding measured values recorded. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei der Einstellung Eigenschaften eines gewählten Faltschemas berücksichtigt werden.A method according to claim 1, characterized in that properties of a selected folding scheme are taken into account in the setting. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die erfassten Messwerte zur Bestimmung eines Walzenverschleißes oder einer Walzenverschmutzung mit vorher bestimmten Referenzwerten verglichen werden.A method according to claim 1, characterized in that the recorded measured values for determining roller wear or roller contamination are compared with predetermined reference values. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Falzwalzen (12 bis 14) mittels des mit wenigstens einer Falzwalze (14 bis 22) kinematisch verbundenen Antriebes (42) miteinander in Kontakt gebracht werden. Method according to one of the preceding claims, characterized in that the folding rollers (12 to 14) are brought into contact with one another by means of the drive (42) kinematically connected to at least one folding roller (14 to 22). Falzmaschine mit mehreren hintereinander in Bogendurchlaufrichtung angeordneten Falzwalzenpaaren, die eine verstellbare (14) und eine stationäre Falzwalze (12) bzw. zwei verstellbare Falzwalzen (16 bis 22) aufweisen, wobei jeder verstellbaren Falzwalze (14 bis 22) eine Messeinrichtung (40) zugeordnet ist, die bei einem Bogendurchlauf einen der Weite des Falzspaltes zwischen den zwei Falzwalzen (12 bis 22) eines Falzwalzenpaares entsprechenden Wert erfasst und an einen Prozessrechner (44) weitergibt, und mit jeder verstellbaren Falzwalze (14 bis 22) ein Antrieb (42) kinematisch verbunden ist, der von dem Prozessrechner (44) auf der Basis der beim Bogendurchlauf erfassten Messwerte an dem entsprechenden Falzwalzenpaar zur Einstellung einer optimalen Weite des Falzspaltes gesteuert wird. Folding machine with several pairs of folding rollers arranged one behind the other in the direction of sheet travel, which have an adjustable (14) and a stationary folding roller (12) or two adjustable folding rollers (16 to 22), wherein each adjustable folding roller (14 to 22) is assigned a measuring device (40) which, during a sheet pass, detects a value corresponding to the width of the folding gap between the two folding rollers (12 to 22) of a pair of folding rollers and transmits it to a process computer (44), and with each adjustable folding roller (14 to 22) a drive (42) is kinematically connected, which is controlled by the process computer (44) on the basis of the measured values recorded during sheet travel on the corresponding pair of folding rollers for setting an optimal width of the folding gap.
EP01129502A 2001-12-11 2001-12-11 Method for the adjustment of the folding nips of a plurality of folding roller pairs. Expired - Lifetime EP1321411B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50106223T DE50106223D1 (en) 2001-12-11 2001-12-11 Method for adjusting the folding gap width of a plurality of folding roller pairs.
EP01129502A EP1321411B1 (en) 2001-12-11 2001-12-11 Method for the adjustment of the folding nips of a plurality of folding roller pairs.
JP2002357020A JP4123922B2 (en) 2001-12-11 2002-12-09 Method for adjusting folding gap width of plural folding roller pairs and folding machine for adjusting folding gap width
US10/315,146 US6743161B2 (en) 2001-12-11 2002-12-10 Method of setting the folding-nip width of a plurality of pairs of folding rollers, and folding machine in which the method can be implemented

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01129502A EP1321411B1 (en) 2001-12-11 2001-12-11 Method for the adjustment of the folding nips of a plurality of folding roller pairs.

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EP1321411A1 true EP1321411A1 (en) 2003-06-25
EP1321411B1 EP1321411B1 (en) 2005-05-11

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EP (1) EP1321411B1 (en)
JP (1) JP4123922B2 (en)
DE (1) DE50106223D1 (en)

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DE102004012930B4 (en) * 2004-03-17 2007-04-05 Man Roland Druckmaschinen Ag Printing machine with a device for measuring a printed product to be folded
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DE102009020645B3 (en) * 2009-05-06 2010-07-01 Maschinenbau Oppenweiler Binder Gmbh & Co. Kg Method for correcting preset gap width between two folding rollers of folding roller pair in bag folding machine, involves reading gap correction value from temperature gap correction value characteristics, and correcting gap width
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Also Published As

Publication number Publication date
DE50106223D1 (en) 2005-06-16
JP2003182931A (en) 2003-07-03
US6743161B2 (en) 2004-06-01
JP4123922B2 (en) 2008-07-23
US20030109367A1 (en) 2003-06-12
EP1321411B1 (en) 2005-05-11

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