EP3492229B1 - Dispositif et procédé de coupe ou de perforation d'une bande de papier - Google Patents

Dispositif et procédé de coupe ou de perforation d'une bande de papier Download PDF

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Publication number
EP3492229B1
EP3492229B1 EP18208615.7A EP18208615A EP3492229B1 EP 3492229 B1 EP3492229 B1 EP 3492229B1 EP 18208615 A EP18208615 A EP 18208615A EP 3492229 B1 EP3492229 B1 EP 3492229B1
Authority
EP
European Patent Office
Prior art keywords
tool
paper web
cutting
drive motor
perforating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18208615.7A
Other languages
German (de)
English (en)
Other versions
EP3492229A1 (fr
Inventor
Rolf Meyerhans
Roger LÜSCHER
Markus Bracher
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.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding AG
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
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Publication of EP3492229A1 publication Critical patent/EP3492229A1/fr
Application granted granted Critical
Publication of EP3492229B1 publication Critical patent/EP3492229B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0073—Details
    • B65H35/008—Arrangements or adaptations of cutting devices
    • B65H35/0086—Arrangements or adaptations of cutting devices using movable cutting elements
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/36—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder
    • B26D1/365—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/25—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 cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B26D1/405—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 cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/08—Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
    • B26D3/085—On sheet material
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • 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
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0092—Perforating means specially adapted for printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/008—Apparatus or machines for carrying out printing operations combined with other operations with means for stamping or cutting out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/06—Multi-step processes for making books starting with webs not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
    • 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
    • B26D2007/2692—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member the rollers or cylinders being mounted skewed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets

Definitions

  • the invention relates to a device and a method for processing a digitally printed paper web conveyed continuously through the device with a perforating tool for perforating the paper web transversely to the direction of travel and with a cutting tool for cutting off printed sheets from a downstream end of the paper web, each on a first Side of the paper web and are arranged transversely or approximately transversely to the running direction of the paper web, as well as with at least one counter tool arranged on a second side of the paper web opposite the first side.
  • the cutting device of the EP2818331 A2 has a cutting tool designed as a guillotine-like knife with which the paper web can be cut over its entire width. During the cut, the paper web stands still for a short time. With a compensation device arranged between the perforating device and the cutting device, in which the paper web is deflected around several rollers, the speed differences between the perforating device and the cutting device resulting from the stopping and acceleration process are compensated. After perforation and cutting, the printed sheets separated from the paper web can be folded once or several times across and lengthways to the direction of travel before they are then stacked to form a book block and transported away.
  • the cutting drum is inclined at an acute angle in the plane of the paper web and with respect to the counter tool. If print sheets with a different format are to be cut from the paper web or if the perforation is to be arranged at a different point on the print sheet, the position of the cutting and / or perforating tools on the cutting drum must be changed. Alternatively, the cutting drum can be replaced by another cutting drum with appropriately attached cutting and perforating tools. Adjusting the distances from cut to cut, from cut to perforation and from perforation to perforation as well as changing the sequence of the cutting and perforating operations is only possible when the machine is at a standstill and with manual intervention.
  • the device for receiving the perforating tool and the cutting tool has a common tool carrier and for receiving the at least one counter-tool has a rotating cutting drum with an axis of rotation oriented transversely or approximately transversely to the direction of travel of the paper web and the perforating tool and the cutting tool are fastened at a distance from one another on the tool carrier and the tool carrier can optionally be moved into two working positions, in each of which the perforating tool or the cutting tool train for processing the paper web can be brought into engagement with the at least one counter-tool.
  • the change in height of the tools has the advantage that the tools are arranged at a distance from the paper web when they are not in their working position. Furthermore, less mass is accelerated and decelerated again by the pivoting movement than if the entire tool carrier had to be shifted in a linear direction between two working positions. Thanks to the small distance that the tools cover when swiveling around the swivel angle, the change from one working position to the other can be carried out very quickly and on the fly.
  • the storage of the tool carrier can be rigid, simple, inexpensive and are designed to save space.
  • the axis of rotation of the cutting drum and the pivot axis of the tool carrier are arranged at an acute angle to one another in a plane parallel to the transport plane of the paper web, so that, according to the principle of a scissors cut, a cutting edge of the perforating tool or a cutting edge of the cutting tool train only in one Part of its length can be brought into engagement with the at least one counter tool.
  • the cutting area moves from one edge of the paper web transversely to the running direction to the other edge during processing. Since the perforation or the cut does not take place in one fell swoop across the entire width of the paper web, the forces occurring during the processing and the noise emissions can be significantly reduced.
  • the scissors cut increases the quality of the cut and the service life of the cutting tools.
  • the tool carrier is connected to a drive shaft of a third drive motor via a crank mechanism for performing the pivoting movement, the crank mechanism having a push rod which is connected via a first axis to a crank arranged on the drive axis of the third drive motor and via a second axis is connected to the tool carrier.
  • the crank mechanism With the crank mechanism, the rotary movement of the third drive motor can be converted into a pivoting movement of the tool carrier in a simple and inexpensive manner, without the third drive motor having to stop in one of the working positions and change the direction of rotation. Because of the crank drive, a slight deviation in the rotational position of the third drive motor in the two dead centers of the tool carrier has hardly any effect on its position for processing the paper web.
  • the third drive motor can be arranged upstream or downstream of the pivot axis of the tool carrier.
  • first axis, the second axis and the drive axis of the third drive motor are each arranged in one plane when the tool carrier is in one of the two working positions.
  • the cutting forces that occur when processing the paper web are transmitted very directly from the cutting and perforating tools to the machine frame via the tool carrier, the push rod and the crank, without a disruptive torque being transmitted to the drive axle of the third drive motor.
  • the third drive motor can thus be made smaller, which leads to cost savings.
  • the tool carrier can be brought into a rest position between the two working positions in which neither the perforating tool nor the cutting tool is in engagement with the counter tool.
  • the cutting drum with the at least one counter tool is driven by a second drive motor, the second drive motor being connected to a drive control for regulating its speed and angular position.
  • the second drive motor being connected to a drive control for regulating its speed and angular position.
  • the third drive motor and a first drive motor of a drive device for transporting the paper web are also connected to the drive control. This can be used to ensure that these two drive motors to control their position or their angle of rotation and their speed are controlled precisely. Furthermore, individual changes and / or corrections to their rotational position and their rotational speed can easily be made via the drive control, taking into account the movement profiles of the other drives connected to the drive control.
  • a sensor connected to the drive control is arranged upstream of the cutting drum, with which an identification feature applied to the paper web can be detected.
  • information on the actual position of the sheets printed on the paper web and / or on the type of processing of the paper web can be transmitted to the drive control in a simple manner or, based on the identification feature, information on processing the print sheets can be called up from a higher-level control.
  • the tool carrier is left in the respective working position and the third drive motor is stopped when several successive identical processing operations are carried out on the paper web.
  • the third drive motor then begins to rotate again when the tool carrier is moved from one working position to the other after several consecutive identical processing operations on the paper web.
  • the tool carrier therefore only has to be moved if the paper web is to be processed successively with a different tool. If, for example, the paper web is only cut and not perforated on printed sheets with two sides, the third drive motor, the crank mechanism and the knife carrier with the tools come to a standstill. The components are protected and the paper web or the printed sheets cut from it are prevented from being damaged by the perforating and cutting tool, which unnecessarily swings back and forth, or from being disturbed in their transport.
  • the perforating tool 14 and the cutting tool 16 are manufactured in one piece or that the tool carrier 12 and the perforating and cutting tools 14, 16 are designed as one component. It is also conceivable that only one of the two receiving points 13 of the tool carrier 12 is equipped with a perforating tool 14 or a cutting tool 16 and the other receiving point remains empty during operation.
  • a rotating cutting drum 21 is arranged on a second side 20 of the paper web 2 opposite the first side 3 and opposite the tool carrier 12.
  • the cutting drum 21 has an axis of rotation 22 oriented transversely or approximately transversely to the running direction T of the paper web and parallel to a transport plane 100 of the paper web 2.
  • the cutting drum is as in FIG Fig. 1 shown schematically with a second drive motor 23 directly or via a belt drive (not shown) or via a likewise Gear drive not shown driven clockwise.
  • the cutting drum 21 has as in Fig. 3 shown on their circumference are two 180 ° offset receiving points 24 for receiving one or more counter tools 25, each with a cutting edge 26.
  • the cutting drum 21 can, however, also have only one or more than two receiving points 24 for counter tools 25.
  • the circumference of the cutting drum with only one counter-tool or the arc on the circumference of the cutting drum 21 between two cutting edges 26 of adjacent counter-tools 25 is chosen so that with a maximum length L of the sides S, the circumferential speed of the cutting drum is equal to or greater than the conveying speed v the paper web.
  • the cutting drum 21 is arranged in relation to the paper web 2 in such a way that the circumference of the cutting drum 21 or a circular path of the cutting edge 26 of the counter-tool almost or completely touches the paper web 2 tangentially.
  • the device according to the invention with its frame 32 is at a certain angle to the paper web 2.
  • the angle denoted by 0 ° is intended to show that the machine frame 32 is perpendicular to the transport direction T. If the length L of two adjacent sides S on the paper web 2 is different, the drive motor 23 accelerates or decelerates the cutting drum 21 and the peripheral speed of the cutting drum 21 is adapted to a different length L '. This compensates for the difference in length and the cut 74 or the perforation is made at the point provided for it.
  • the angle ⁇ required for the scissor cut between the axes 22, 31 of the cutting drum 21 and the tool carrier 12, which are arranged at an angle to one another, is one of the basic settings of the device 1 and is not changed during operation.
  • the arrangement is particularly advantageous because it means that most or all of the cutting forces arising during perforation or cutting are transmitted to the machine frame 32 via the crank drive, via optional bearing points of the motor shaft 43 (not shown in the figures) and via the drive motor 40.
  • An undesired torque due to cutting forces on the third drive motor 40 which would negatively affect the cutting accuracy, the cutting quality and the service life of the tools 14, 16, 25, can thus be prevented in a simple manner.
  • the third drive motor 40 is more cost-effective because it can be dimensioned smaller than if it had to counteract the undesired torque in order to maintain its precisely defined position.
  • Fig. 1 illustrated sheet 8 "with six sides S processed by the device 1 transversely to the direction T of the paper web, so is cut once, then perforated twice in a row and then cut again.
  • a sequence of cut 74 - perforation 73 - perforation 73 - cut 74 - perforation 73 - perforation 73 etc. is obtained.
  • the tool carrier 12 must therefore not be continuous or as described above in this sequence
  • the third drive motor 40 which rotates almost continuously, can be pivoted back and forth between the two working positions 30, 33.
  • the four-sided printed sheet 78 'shown here is cut twice in succession by the tool carrier 12 briefly stopping in the second working position 33 before it is accelerated again and moved into the first working position 30.
  • a perforation 73 is made on a subsequent printed sheet 78 ′′.
  • the third drive motor 40 is operated at a constant or almost constant speed.
  • One perforation 73 and one cut 74 are made per revolution of the motor shaft 43 of the drive motor 40.
  • printed sheets 8 ', 8 ", 78', 78" with sides S each having different lengths L can of course also be processed.
  • the drive control 61 regulates the drive motor 23 of the cutting drum 21, the drive motor 40 of the tool carrier 12 and the adjusting device 90 accordingly.
  • the differences in the lengths L from sides S are made by correcting the angular position of the two drive motors 23, 40 between two processing steps, so that each perforation 73 and each cut 74 is made at the intended location on the paper web 2, 2 '. It is also conceivable that a paper web 2, 2 'with printed sheets 8, each of which has more than 2 perforations, are processed.
  • the upper and lower transport elements 71, 72 of the transport device 70 transport the printed sheets 8 ', 8 ", 78', 78" at the same or slightly higher conveying speed v as the paper web 2, 2 '.
  • the tool carrier 12 is stopped in a rest position which is located between the working positions 30, 33.
  • the rest position could be as in FIG Fig. 4 look shown, in which neither the perforating tool 14 nor the cutting tool 16 is in engagement with the counter tool 25.
  • the cutting edges 17, 18 of the perforating tool 14 and of the cutting tool 16 are spaced apart from the paper web 2, 2 ′ in the horizontal direction and are spaced apart from the processing position 19 in the horizontal and vertical directions.
  • the cutting drum 21 can also be stopped or continue rotating at a peripheral speed that is reduced or the same as that of the paper web 2, 2 '.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Cutting Processes (AREA)
  • Details Of Cutting Devices (AREA)
  • Handling Of Sheets (AREA)

Claims (23)

  1. Dispositif de traitement d'une bande de papier (2, 2') imprimée numériquement et transportée en continu à travers le dispositif, avec un outil de perforation (14) pour perforer la bande de papier (2, 2') transversalement à la direction de défilement (T) et avec un outil de coupe (16) pour couper des feuilles imprimées (8', 8", 78', 78") à une extrémité aval (102) de la bande de papier (2, 2'), qui sont disposées chacune sur une première face (3) de la bande de papier (2, 2') et transversalement ou approximativement transversalement à la direction de défilement (T) de la bande de papier (2, 2'), ainsi qu'avec au moins un contre-outil (25) disposé sur une deuxième face (20) de la bande de papier (2, 2') opposée à la première face (3), caractérisé en ce que
    • le dispositif (1) destiné à recevoir l'outil de perforation (14) et l'outil de coupe (16) présente un porte-outil (12) commun,
    • le dispositif (1) destiné à recevoir ledit au moins un contre-outil (25) présente un tambour de coupe (21) rotatif avec un axe de rotation (22) orienté transversalement ou approximativement transversalement à la direction de défilement (T) de la bande de papier (2, 2'),
    • l'outil de perforation (14) et l'outil de coupe (16) sont fixés sur le porte-outil (12) à une certaine distance l'un de l'autre,
    • le porte-outil (12) peut être déplacé au choix dans deux positions de travail (30, 33) dans lesquelles, respectivement, l'outil de perforation (14) ou l'outil de coupe (16) peut être mis en prise avec ledit au moins un contre-outil (25) pour le traitement de la bande de papier (2, 2').
  2. Dispositif selon la revendication 1, caractérisé en ce que le porte-outil (12) est disposé de manière à pouvoir pivoter en va-et-vient entre les deux positions de travail (30, 33) d'un angle de pivotement (α) autour d'un axe de pivotement (31) orienté transversalement ou approximativement transversalement à la direction de défilement T de la bande de papier (2, 2') et parallèlement à un plan de transport (100) de la bande de papier (2), de sorte que soit l'outil de perforation (14), soit l'outil de coupe (16) peut être mis en prise avec ledit au moins un contre-outil (21).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'axe de rotation (22) du tambour de coupe (21) et l'axe de pivotement (31) du porte-outil (12) sont disposés selon un angle aigu (β) l'un par rapport à l'autre dans un plan parallèle au plan de transport (100) de la bande de papier (2), de sorte que, selon le principe d'une coupe par cisaillement, une arête de coupe (17) de l'outil de perforation (14) ou une arête de coupe (18) de l'outil de coupe (16) ne peut chaque fois être mise en prise avec ledit au moins un contre-outil (25) que dans une zone partielle de sa longueur.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que pour l'exécution du mouvement de pivotement, le porte-outil (12) est relié par un mécanisme à manivelle (41) à un axe d'entraînement (42) d'un troisième moteur d'entraînement (40).
  5. Dispositif selon la revendication 4, caractérisé en ce que le troisième moteur d'entraînement (40) est conçu comme un moteur couple sans engrenage.
  6. Dispositif selon la revendication 4, caractérisé en ce que le mécanisme à manivelle (41) présente une bielle de poussée (46) qui est reliée par un premier axe (45) à une manivelle (44) disposée sur l'axe d'entraînement (42) du troisième moteur d'entraînement (40) et par un deuxième axe (47) au porte-outil (12).
  7. Dispositif selon la revendication 6, caractérisé en ce que le premier axe (45), le deuxième axe (47) et l'axe d'entraînement (42) du troisième moteur d'entraînement (40) sont parallèles entre eux et le premier axe (45) et l'axe d'entraînement (42) sont espacés l'un de l'autre d'un rayon de manivelle (r).
  8. Dispositif selon l'une des revendications 6 ou 7, caractérisé en ce que le premier axe (45), le deuxième axe (47) et l'axe d'entraînement (42) du troisième moteur d'entraînement (40) sont chacun disposés dans un plan lorsque le porte-outil (12) se trouve dans l'une des deux positions de travail (30, 33).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que le porte-outil (12) peut être amené dans une position de repos entre les deux positions de travail (30, 33), dans laquelle ni l'outil de perforation (14) ni l'outil de coupe (16) ne sont en prise avec le contre-outil (21).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le tambour de coupe (21) avec ledit au moins un contre-outil (25) est entraîné par un deuxième moteur d'entraînement (23), le deuxième moteur d'entraînement (23) étant relié à une commande d'entraînement (61) destinée à réguler sa vitesse de rotation et sa position angulaire.
  11. Dispositif selon la revendication 10, caractérisé en ce que le troisième moteur d'entraînement (40) et un premier moteur d'entraînement (11) d'un moyen d'entraînement (9) pour le transport de la bande de papier (2, 2') sont reliés à la commande d'entraînement (61).
  12. Dispositif selon l'une des revendications 10 ou 11, caractérisé en ce qu'un capteur (62) relié à la commande d'entraînement (61) est disposé en amont du tambour de coupe (21), lequel capteur permet de détecter une caractéristique d'identification (101) appliquée sur la bande de papier (2, 2').
  13. Dispositif selon l'une des revendications 4 à 12, caractérisé en ce que le tambour de coupe (21), le deuxième moteur d'entraînement (23), le porte-outil (12) et le troisième moteur d'entraînement (40) sont montés dans un bâti de machine commun (32).
  14. Dispositif selon la revendication 13, caractérisé en ce que le bâti de machine (32) est conçu avec un dispositif de réglage (90) de manière à pouvoir pivoter par rapport à la bande de papier (2, 2'), parallèlement au plan de transport (100) de la bande de papier (2, 2'), autour d'un point de pivotement (91).
  15. Procédé de traitement d'une bande de papier (2, 2') imprimée numériquement et transportée en continu dans une direction de défilement (T) à travers un dispositif (1), dans lequel la bande de papier (2, 2') est perforée ou coupée entre un outil de perforation (14) ou un outil de coupe (16) et au moins un contre-outil (25), caractérisé en ce que ledit au moins un contre-outil (25) tourne autour d'un axe de rotation (22) orienté transversalement ou approximativement transversalement à la direction de défilement (T) de la bande de papier (2, 2'), et qu'un porte-outil commun (12) recevant l'outil de perforation (14) et l'outil de coupe (16) pour le traitement de la bande de papier (2, 2') peut être amené au choix dans l'une de deux positions de travail (30, 33) et que l'outil de perforation (14) ou l'outil de coupe (16) coopère ainsi avec ledit au moins un contre-outil (25) et perfore la bande de papier (2, 2') transversalement à sa direction de défilement T ou coupe des feuilles imprimées (8', 8", 78', 78") à une extrémité aval (102) de la bande de papier (2).
  16. Procédé selon la revendication 15, caractérisé en ce que le porte-outil (12) peut pivoter en va-et-vient entre deux positions de travail (30, 33) d'un angle de pivotement (α) autour d'un axe de pivotement (31) orienté transversalement ou approximativement transversalement à la direction de défilement (T) de la bande de papier (2, 2') et parallèlement à un plan de transport (100) de la bande de papier (2) et que dans chacune des deux positions de travail (30, 33) dans lesquelles le porte-outil (12) est arrêté, soit l'outil de perforation (14), soit l'outil de coupe (16) vient en prise avec ledit au moins un contre-outil (25) et perfore ou coupe la bande de papier (2, 2').
  17. Procédé selon l'une des revendications 15 à 16, caractérisé en ce que le porte-outil (12) est amené dans une position de repos entre les deux positions de travail (30, 33), dans laquelle ni l'outil de coupe (16) ni l'outil de perforation (14) ne sont en prise avec ledit au moins un contre-outil (25) et dans laquelle la bande de papier (2, 2') n'est pas traitée.
  18. Procédé selon l'une des revendications 15 à 17, caractérisé en ce que la bande de papier (2, 2') transportée en continu est alternativement perforée par l'outil de perforation (14) et coupée par l'outil de coupe (16) et qu'un troisième moteur d'entraînement (40) relié au porte-outil (12) par un mécanisme à manivelle (41) tourne à une vitesse de rotation constante ou approximativement constante.
  19. Procédé selon l'une des revendications 15 à 17, caractérisé en ce que plusieurs traitements identiques successifs de la bande de papier (2, 2') sont effectués en laissant le porte-outil (12) dans la position de travail respective (30, 33) et en arrêtant le troisième moteur d'entraînement (40).
  20. Procédé selon la revendication 19, caractérisé en ce que le troisième moteur d'entraînement (40) recommence à tourner lorsque, après plusieurs traitements identiques successifs de la bande de papier (2, 2'), le porte-outil (12) est amené d'une position de travail (30, 33) à l'autre.
  21. Procédé selon l'une des revendications 15 à 20, caractérisé en ce qu'un premier moteur d'entraînement (11) pour le transport de la bande de papier (2, 2'), un deuxième moteur d'entraînement (23) d'un tambour de coupe (21) recevant le contre-outil (25) et le troisième moteur d'entraînement (40) du porte-outil (12) sont commandés par une commande d'entraînement (61).
  22. Procédé selon la revendication 21, caractérisé en ce que les signaux d'un capteur (62) dirigé vers la bande de papier (2, 2') sont évalués dans la commande d'entraînement (61) et l'évaluation des signaux influence la commande des moteurs d'entraînement (11, 23, 40).
  23. Procédé selon l'une des revendications 15 à 22, caractérisé en ce qu'au moins l'outil de perforation (14), l'outil de coupe (16) et le contre-outil (25) sont pivotés ensemble d'un angle de réglage (γ) par rapport à la bande de papier (2) parallèlement au plan de transport (100) de la bande de papier (2) pour perforer et couper la bande de papier (2, 2') perpendiculairement à sa direction de défilement (T) à différentes longueurs (L, L') de feuilles (S) imprimés sur la bande de papier (2, 2') et/ou différentes largeurs (B) de la bande de papier (2, 2').
EP18208615.7A 2017-11-30 2018-11-27 Dispositif et procédé de coupe ou de perforation d'une bande de papier Active EP3492229B1 (fr)

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US (1) US10913631B2 (fr)
EP (1) EP3492229B1 (fr)
JP (1) JP7386605B2 (fr)
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Publication number Publication date
CN110027034B (zh) 2023-03-28
US10913631B2 (en) 2021-02-09
CN110027034A (zh) 2019-07-19
EP3492229A1 (fr) 2019-06-05
JP7386605B2 (ja) 2023-11-27
US20190161312A1 (en) 2019-05-30
JP2019098514A (ja) 2019-06-24

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