EP0485542A1 - Procede et dispositif d'ajustement de massicots trilateraux. - Google Patents

Procede et dispositif d'ajustement de massicots trilateraux.

Info

Publication number
EP0485542A1
EP0485542A1 EP91907697A EP91907697A EP0485542A1 EP 0485542 A1 EP0485542 A1 EP 0485542A1 EP 91907697 A EP91907697 A EP 91907697A EP 91907697 A EP91907697 A EP 91907697A EP 0485542 A1 EP0485542 A1 EP 0485542A1
Authority
EP
European Patent Office
Prior art keywords
carried out
setting
cutting
measures
station
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
EP91907697A
Other languages
German (de)
English (en)
Other versions
EP0485542B2 (fr
EP0485542B1 (fr
Inventor
Juergen Hartlage
Horst Patzer
Gerd Peters
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.)
WOHLENBERG VERTRIEBS- UND SERVICE GMBH
Original Assignee
AM WOHLENBERG GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6405470&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0485542(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AM WOHLENBERG GmbH filed Critical AM WOHLENBERG GmbH
Publication of EP0485542A1 publication Critical patent/EP0485542A1/fr
Application granted granted Critical
Publication of EP0485542B1 publication Critical patent/EP0485542B1/fr
Publication of EP0485542B2 publication Critical patent/EP0485542B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0081—Cutting on three sides, e.g. trilateral trimming

Definitions

  • the invention relates to a method for setting up a three-cutter according to the preamble of claim 1.
  • a triple cutter is a cutting device used in the bookbinding industry, which comprises three cutting knives, namely a front knife and two side knives. Such three-knife trimmer are fed through a feed station books that are already bound to the back. The task of the three-knife trimmer is to cut the books on the sides and on the front edge in one operation to the final desired format.
  • the invention is based on the object of improving a method for setting up a three-cutter so that the setting of the cutting parameters can be carried out more quickly and precisely.
  • the method according to the invention ensures that at least the frequent and time-intensive setting measures are carried out automatically. It is very helpful that the corresponding positions within one or more machine rotations are approached in a targeted manner so that the corresponding adjustment measures can be carried out quickly.
  • a display device shows which manual adjustment measures are currently pending.
  • the operator does not need to find out the optimal sequence and the optimal positions in which the corresponding adjustment work is to be carried out by means of his own experiments.
  • the predetermined program sequence ensures that damage as a result of collisions that could occur if the adjustment measures are incorrect is avoided.
  • the method further provides that the cutting parameters for a book format on which the three-knife trimmer is to be set up. is entered in a dialog with the control computer.
  • the scope of the positions to be approached and the adjustment measures to be carried out depends on the previously set cutting parameters.
  • the dialog mode avoids that the setting of individual cutting parameters is inadvertently omitted and could then lead to a high reject rate in the later cutting mode.
  • the adjustment measures as a function of previously set cutting parameters, the adjustment time for follow-up orders with similar formats can sometimes be considerably shortened, since not all cutting parameters have to be changed all the time and part of the adjustment measures can thus be omitted.
  • the automatically carried out adjustment measures are carried out in the sense of regulation with a target value / actual value comparison.
  • the adjustment measures are subdivided into adjustment measures to be carried out automatically on the one hand by the computer and on the other hand to be carried out manually.
  • the computer-controlled setting measures which are to be carried out automatically relate to the dimension setting of the transfer station and the cutting station, and the setting measures which are to be carried out manually relate to the replacement of machine parts and additional dimension settings.
  • the manually performed setting measures can be monitored by sensors and the next position provided in the set-up sequence can only be approached when a match between the actual value and the target value has been determined.
  • the invention further relates to a device for setting up a three-cutter according to the preamble of claim 7.
  • the device according to the invention makes it possible to carry out the adjustment measures required when setting up the three-knife cutter not only manually but also automatically in important, time-intensive areas. However, the prerequisites are also created for the manual setting in order to be able to carry this out in an optimal order and in the most favorable position of the machine circulation phases.
  • the cutting parameters to be set automatically by the control computer are changed over the actuators, so that no intervention by the operator is necessary here.
  • the display device makes it possible for the operator to be shown the adjustment measures required in the position of the machine circulation in each case, so that no separate operating or setup instructions have to be used for this.
  • the input device allows the control computer to enter the parameters required for a book format to be set up in a simplified form by entering the dimensions and to acknowledge the completion of manual setting measures.
  • the setting parameters resulting from the dimensions of the finished book formats can be determined by the control computer itself, so that the possibility of errors with a separate conversion of the dimensions of the formats into cutting parameters is excluded.
  • the device also enables the previously set cutting parameters to be stored in the memory of the control computer and for the set-up sequence program to include a comparison program part for a comparison between the entered cutting parameters and the previously set cutting parameters. On the basis of the comparison, the positions to be approached and the adjustment measures to be carried out are carried out as a function of the previously set cutting parameters.
  • This property of the device makes it possible to limit the setting measures only to those individual measures which are necessary for the changeover to a new book format. If, for example, a follow-up order has a format similar to that of the previous order, some adjustment measures may not be necessary, so that the three-knife cutter can be set up in a much shorter time than if all adjustment measures had to be carried out.
  • the actuators can be supplemented by actual value transmitters, which are also connected to the control computer.
  • a device sequence program stored in the memory of the control computer then comprises a control program part for carrying out a comparison of the target value and the actual value.
  • This training has the following advantages. On the one hand, a higher accuracy of the dimensions to be set can be achieved, since the exact position is checked by the actual value transmitter and it is not solely a matter of the linear transmission of the signals supplied to the actuators to the adjustment measures carried out by the actuators. On the other hand, the precision of the actuator can also be kept within reasonable limits, since manufacturing inaccuracies and wear due to wear are compensated for by the actual value transmitters in terms of their dimensional accuracy.
  • the actuators and the additional actual value transmitters are preferably assigned to such setting members which make the dimensional settings of the transfer station and the cutting station.
  • the automation of the parts of the three-knife trimmer which affect these dimensional settings results in the greatest amount of time saving in the setting-up measures.
  • the adjustment of these organs has hitherto required conversion of the final format dimensions to the cutting parameters to be adjusted and constant checking of the dimensions during adjustment.
  • the actuators required for automation can be integrated relatively easily into the basic design of a three-tailor, so that the additional outlay in terms of device technology and the associated additional costs are low compared to the savings achieved through shorter downtimes.
  • a further development provides that manual setting devices are equipped with sensors which are connected to the control computer, and that the set-up sequence program comprises a comparison program part which only allows the next position provided in the set-up sequence to be approached when a match between the actual value and the target value is determined becomes.
  • the sensors could, for example, scan coding marks of the setting elements or the parts to be exchanged, which are then in the control computer with regard to the correct setting be monitored. A replacement that has not been carried out, a faulty installation or the installation of wrong machine parts is thus recognized and can be corrected before the fault leads to damage to parts of the three-knife cutter or to a high reject rate in the books to be processed.
  • the actuators which are assigned adjusting elements which are heavily loaded during operation of the three-cutter unit, each comprise servomotors and clamping devices.
  • clamping devices have two functions. On the one hand, they eliminate the play of the adjusting elements that would lead to inaccuracies in the cutting operation if the holding forces were only taken over by the servomotors. On the other hand, they allow the servomotors to be dimensioned more easily. If the holding forces required for transport and cutting had to be applied by the servomotors, then particularly robust, expensive designs would have to be used.
  • the actuator associated with the setting member of the transfer station which is heavily loaded during operation of the three-cutter, comprises, in addition to a first actuator for the basic setting, a second actuator for fine adjustment that can be carried out during operation.
  • the basic setting made by the first servomotor can be fixed during operation by the clamping device.
  • 1 is a schematic representation of the individual stations of a three-cutter
  • FIG. 3 shows a section along the section line A-B in FIG. 2,
  • FIG. 4 shows a schematic illustration of a transfer station of the three-cutter in a partially sectioned side view
  • FIG. 1 The schematic representation of the individual stations of a three-cutter shown in FIG. 1 shows a feed station 10, a transfer station 12, a cutting station 14 and a delivery belt 52.
  • Bound books go from the feeder station 10 to the transfer station 12, the transport being carried out in the work cycle of the three-cutter by feed brushes 112.
  • the books are aligned in the transfer station 12 in preparation for the subsequent cutting process, so that the printing level is in the desired position after the cutting process.
  • the transfer station 12 comprises an adjustable head stop 54, a book stop 56 and a tong carriage 58.
  • the tong carriage 58 the construction of which can be seen in FIG. 4, consists of a back stop 60 and a tong 62, which in turn comprises a base plate 64 and a pressure jaw 66 includes.
  • the cutting station 14 comprises a cutting plate 68 with cutting strips, a fixing device 70 and a cutting device 72.
  • the fixing device 70 serves to fix the book stack on the cutting plate 68 during the cutting process so that the stack as a whole or individual pages does not slip.
  • the fixation takes place by means of a dressing 76 attached to a format plate 74, which presses directly onto the book stack.
  • the format plate 74 is fastened to a format plate holder 78 and the latter can in turn be moved in height by a press ram 80. After the dressing 76 has been placed on the book stack, the required pressing force can also be applied by increasing the pressure of the press die 80.
  • the cutting device 72 used to cut the stack of books to the final format comprises three knives, namely two side knives 82, 84 and a front knife 86.
  • the side knives 82, 84 and the front knife 86 are each located in a knife holder 88, 90, 92, the Side knife holder 88 and 90, as is particularly the case FIGS. 2 and 3 show, in turn, are fastened and guided on a side knife bar 94.
  • Two knife drives provide the movement of the knives 82, 84, 86 required for cutting.
  • FIG. 1 the cutting lines resulting from the arrangement of the knives 82, 84, 86 are shown in dashed lines in the cutting station 14.
  • the books trimmed to the final format are gripped by ejectors 16 and transported to the delivery belt 52.
  • the front knife 86 cannot be adjusted from the three knives in the cutting station 14, but the width of the two side knives 82, 84 can be adjusted by an actuator 24.
  • the actuator 24 is illustrated in FIGS. 2 and 3. It includes an actuator 44 which drives a threaded spindle 96 which penetrates both side knife holders 88, 90.
  • the threads located on the threaded spindle 96 are designed in opposite directions for the two side knife holders 88, 90, so that the side knife holders 88, 90 diverge in one direction of rotation while they come together in the other direction of rotation.
  • An actual value transmitter 38 is located on the side of the threaded spindle 96 opposite the servomotor 44 the revolutions of the threaded spindle 96 detected and communicated to the control computer 18.
  • the actuator 24 for the side knives 82, 84 also includes a clamping device 48 which clamps the side knife holders 88, 90 on the side knife bar 94 in normal operation and releases them only during the setting phase by the servomotor 44.
  • the structure of this clamping device results from FIG. 3, namely the clamping device 48 has a plate spring assembly 98, on a threaded bolt 100, which normally compresses the clamping jaws 102, and a hydraulic spreading device 104, which enables the clamping jaws 102 to be adjusted solves by spreading.
  • the height of the book format is determined by adjusting the distance between the side knives 82 and 84.
  • the book width and the position of the printing level is determined by the settings of the transfer station 12.
  • the adjustable head stop 54 present there which specifies the vertical position of the pressure mirror, is also adjustable by an actuator 22.
  • This actuator 22 comprises an actuator 106 which can move the head stop 54 horizontally via a threaded spindle 108.
  • Actuator 36 is used with servomotor 106 for feedback of the set position of head stop 54 to the Control computer 18 connected.
  • the back stop 60 of the tong carriage 58 takes care of the adjustment of the book width and the horizontal position of the pressure mirror.
  • the tong carriage 58 can be automatically adjusted using an actuator 20.
  • the tong carriage 58 also has an actual value transmitter 34 which transmits the basic position to the control computer 18.
  • the actuator 20 includes an actuator 42 and a clamping device 46, which is constructed similarly to the clamping device 48.
  • the clamping device 46 ensures that the play caused by the actuator is eliminated and the dynamic forces occurring during the transport movements of the tong carriage 58 do not burden the servomotor 42.
  • the stack of books located in the transfer station 12 is grasped and raised during transport into the cutting station 14, so that no traces of grinding can occur on the underside and, on the other hand, the alignment made in the transfer station 12 of the book stack on the way to the cutting station 14 is preserved.
  • the book stop 56 which is also available for aligning the stack of books, is pivoted up during transport.
  • an adjustment of the back stop 60 is also provided during operation.
  • a second actuator 114 with a second servomotor 50 for fine adjustment that can also be carried out during operation.
  • This second servomotor 50 is supplemented by an actual value transmitter 110, which transmits the position to the control computer 18.
  • the head stop 54 is also adjustable during operation. However, since the holding forces are very low here, an embodiment with a clamping device is not necessary. Rather, the forces can be applied by the single servomotor 106.
  • a control computer 18 includes a memory 32 for control and comparison programs and for storing data of the cutting parameters.
  • the control computer is connected to actuators 20, 22, 24, 26, 114 and actual value transmitters 34, 36, 38, 40, 110 and thus enables the setting of cutting parameters via setting elements in the sense of an actual value setpoint control.
  • a display device 28 and an input device 30 are connected to the control computer 18, which enable the input of cutting parameters and the instruction to carry out adjustment measures in dialog.
  • the required positions are controlled by the control computer 18 in a machine circulation phase and the setting measures are either carried out automatically or the operator is asked via a display device 28 to carry out the corresponding setting measures manually and after that Acknowledge execution via the input device 30. Then the next position is approached and the adjustment measure to be carried out in this position is either carried out automatically again or the operator is again requested to do this via the display device 28.
  • the individual positions are run through one after the other until all adjustment measures have been carried out and a test run can begin in which fine adjustments are still possible.
  • the following measures are required, which are described below and to which reference is made on the basis of the displays of the display device shown in FIGS. 6-18. However, the reference numbers listed in the further description refer to the parts of the three-cutter shown in FIGS. 1 to 5.
  • the dimensions of the desired book format and some further parameters are entered into the control computer 18 via the input device 30. This can still be carried out during the operation of a job that has just been carried out or also at the start of a new set-up of the three-cutter.
  • the three-knife trimmer is brought into a position that corresponds to a basic position. Enter the dimensions for the book height, the book width and the top trim.
  • parameters regarding the type of feed and the number of products to be cut per stack must be entered. Depending on the type of feed, conversion measures may still be necessary Feed station 10 required.
  • a second position is assumed and illustrated by the screen shown in FIG. 7, in which the format plate 74 can be removed.
  • the press die 80 automatically moves downwards into an alternating position. Now the format plate 74 is unlocked, removed and also the ejector 16 of the ejector device is removed.
  • a third position represented by FIG. 8, the cutting table with the cutting plate 68 and the knives 82, 84, 86 are changed.
  • the press die 80 moves into an upper end position in order to give free access to the parts to be removed.
  • protective strips are placed on the side knives 82, 84 and the side knives 82, 84 are removed.
  • a protective strip is then placed on the front knife 86 and the front knife 86 removed.
  • the cutting plate 68 is removed, the conversion to the new dimensions and the installation of the corresponding cutting plate 68.
  • the front knife 86 is inserted, the protective strip is removed, the side measuring ser 82, 84 used and their protective strips also removed.
  • automatic adjustment measures are carried out, namely the side knives 82, 84 are set at book height and the head stop 54 is set to trim the head. Furthermore, the book stop 56 is manually set to a large format.
  • the tong carriage 58 is adjusted after the back guide of the feed station 10 has been set flush with the tong carriage 58 and book stacks are placed in the tong carriage 58.
  • the tong carriage 58 is set at an angle, the speaking pliers pressure jaw 66 is selected, screwed on and set to height.
  • the feed brush 112 is adjusted and the feed device 10 is adjusted to the raw book format.
  • the compression force specified on the basis of the format size is automatically set.
  • the feed station 10 is set in position nine according to FIG. 14. This completes the rough setting. Fine adjustments can be made in the subsequent ongoing operation when test steps are carried out or also in later operation in order to optimize the cutting quality. In this case, production does not have to be interrupted, as was previously necessary, but rather can be continued.
  • the further representations in FIG. 15 show the book width correction, in FIG. 16 the head trim correction, in FIG. 17 the press punch opening correction and in FIG. 18 the press force correction.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Supply And Installment Of Electrical Components (AREA)
  • General Factory Administration (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

Un procédé et un dispositif permettent d'ajuster un massicot trilatéral en réglant la station d'amenée, la station de transfert, la station de coupe et l'éjecteur selon un format de livre à découper ou afin de procéder à des travaux d'entretien. Pendant une opération d'ajustement commandée par ordinateur, des positions optimales pour le réglage de paramètres de coupe ou pour l'exécution de travaux d'entretien, déterminées au préalable, sont ajustées de manière appropriée dans un ou plusieurs cycles de la machine. Des mesures d'ajustement statique ou d'entretien sont ensuite automatiquement exécutées dans ces positions, commandées par ordinateur, et/ou des mesures d'ajustement à exécuter manuellement sont présentées sur un dispositif électronique d'affichage. Dans ce dernier cas, ces mesures sont ensuite exécutées manuellement et une fois qu'elles sont achevées, l'ordinateur de commande en est informé. Des mesures dynamiques complémentaires d'ajustement peuvent être exécutées pendant le fonctionnement du massicot trilatéral.
EP91907697A 1990-04-26 1991-04-24 Procede et dispositif d'ajustement de massicots trilateraux Expired - Lifetime EP0485542B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4013904 1990-04-26
DE4013904 1990-04-26
PCT/DE1991/000356 WO1991016181A1 (fr) 1990-04-26 1991-04-24 Procede et dispositif d'ajustement de massicots trilateraux

Publications (3)

Publication Number Publication Date
EP0485542A1 true EP0485542A1 (fr) 1992-05-20
EP0485542B1 EP0485542B1 (fr) 1995-10-25
EP0485542B2 EP0485542B2 (fr) 2000-06-28

Family

ID=6405470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91907697A Expired - Lifetime EP0485542B2 (fr) 1990-04-26 1991-04-24 Procede et dispositif d'ajustement de massicots trilateraux

Country Status (6)

Country Link
EP (1) EP0485542B2 (fr)
JP (1) JPH04507070A (fr)
AT (1) ATE129455T1 (fr)
DE (2) DE4113797C2 (fr)
ES (1) ES2081474T3 (fr)
WO (1) WO1991016181A1 (fr)

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EP1832399B2 (fr) 2006-03-09 2013-11-27 Müller Martini Holding AG Procédé et dispositif pour la coupe de produits imprimés
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EP1967336B1 (fr) * 2007-03-07 2010-10-06 Wohlenberg Buchbindesysteme GmbH Procédé de rééquipement d'une machine de profilage destinée de préférence au profilage de préférence à trois côtés d'une pile de feuilles
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See references of WO9116181A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1647373A1 (fr) * 2004-10-18 2006-04-19 Müller Martini Holding AG Procédure de découpe de plusieurs côtés d'un produit imprimé
US8336431B2 (en) 2004-10-18 2012-12-25 Mueller Martini Holding Ag Method for trimming multiple edges of a print product

Also Published As

Publication number Publication date
EP0485542B2 (fr) 2000-06-28
JPH04507070A (ja) 1992-12-10
EP0485542B1 (fr) 1995-10-25
DE4113797C2 (de) 1995-08-17
DE59106764D1 (de) 1995-11-30
ES2081474T3 (es) 1996-03-16
ATE129455T1 (de) 1995-11-15
DE4113797A1 (de) 1991-11-07
WO1991016181A1 (fr) 1991-10-31

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