EP3492229A1 - 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
EP3492229A1
EP3492229A1 EP18208615.7A EP18208615A EP3492229A1 EP 3492229 A1 EP3492229 A1 EP 3492229A1 EP 18208615 A EP18208615 A EP 18208615A EP 3492229 A1 EP3492229 A1 EP 3492229A1
Authority
EP
European Patent Office
Prior art keywords
tool
paper web
cutting
perforating
drive motor
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
EP18208615.7A
Other languages
German (de)
English (en)
Other versions
EP3492229B1 (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
Application filed by Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
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
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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 an apparatus and a method for processing a digitally printed and continuously conveyed through the device web with a perforating tool for perforating the web transversely to the direction and with a cutting tool for cutting 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 direction of the paper web, and arranged with at least one on one of the first side opposite the second side of the paper web arranged counter tool.
  • a generic device and a method for cutting or perforating a digitally printed paper web is known, which is further processed with a perforating and cutting station and with transverse and L Lucassfalz Roaden to sheet with different number pages.
  • the perforating and cutting station which perforates the paper web transversely to the running direction, consists of two processing stations arranged along the paper web, a perforating device and a cutting device.
  • Such Perforier wisdom is for example in the EP1484145 A2 described in more detail. It comprises a constantly rotating, hardened steel cylinder and a perforating tool which interacts with the steel cylinder and rotates intermittently about an axis.
  • the cutting device of EP2818331 A2 has a guillotine-like knife designed cutting tool with which the paper web can be cut over its entire width. During the cut, the paper web stops for a short time. With a compensation device arranged between the perforating device and the cutting device, in which the paper web is deflected by a plurality of rollers, the speed differences between the perforating device and the cutting device resulting from the stopping and accelerating process are compensated. After perforating and cutting, the printed sheets separated from the paper web can be folded once or several times transversely and longitudinally to the running direction, before they are then stacked into a book block and transported away.
  • perforating in the prior art and in the context of this application is meant a partial severing, partial cutting or deformation such as e.g. a squeezing of the paper web understood at a point at which the paper is folded later.
  • cutting is meant a complete severing of the paper web.
  • a device for feeding single sheets to a printer comprising means for separating the cut sheets from a paper web moved periodically in a conveying direction, is disclosed in US Pat EP1394091 A1 disclosed.
  • the individual sheets are cut off from the paper web by means of a transverse to the conveyor, rotating about an axis cutting drum, which has a cutting tool, and fed to the printer with a conveyor.
  • the cutting drum is driven by a drive motor via a toothed belt.
  • the rotating cutting tool acts together with a stationary counter tool, which is arranged on the other side of the paper web.
  • Another device for cutting a paper web is in the EP1186561 A1 disclosed. It has a rotating cutting cylinder, each receiving at least one cutting tool and a perforating tool. Trained as a knife tools of the cutting cylinder interact with a fixed counter tool. The paper web guided between the cutting cylinder and the stationary counter tool is then successively cut or perforated according to the arrangement of the cutting and perforating tools on the circumference of the rotating cutting drum. The paper web is processed with the principle of a paper cut, in which there is no sudden processing over the entire width of the paper web, but in which only a portion of the cutting blade with the counter blade is engaged. The cutting area moves from one edge of the paper web to the other when cutting.
  • the cutting drum is tilted in the plane of the paper web and against the counter tool by an acute angle. If sheets of paper of a different format are to be cut from the paper web, or if the perforation is to be arranged at another location on the printed sheet, the position of the cutting and / or perforating tools on the cutting drum must be changed. Alternatively, the cutting drum may 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 a change in the sequence of operations Cutting and perforating is only possible when the machine is at a standstill and with manual intervention.
  • the present invention has for its object to provide a method and an apparatus with which a digitally printed and continuously conveyed paper web can optionally be perforated or cut at high speeds in variable intervals during the run.
  • the device should be simple and space-saving and thus can be realized inexpensively.
  • 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 a rotating cutting drum with a transversely or approximately transversely aligned to the direction of the paper web axis of rotation and the perforating and the cutting tool spaced from each other are mounted on the tool carrier and the tool carrier is displaceable in two working positions, in each of which the perforating tool or the Schneidtechnikezug for processing the paper web with the at least one counter tool can be brought into engagement.
  • a single, compact processing station on a printed on a digitally printed and continuously conveyed paper web printed sheet optionally no, one or more perforations are made one behind the other and printed sheets are separated with the cutting tool of the paper web.
  • Continuous transport means uninterrupted transport. This can be done with constant or approximately constant speed.
  • a transport in which the paper web is repeatedly stopped or almost stopped during the processing not a continuous transport in the sense of this application.
  • the distances between the processing of the paper web with the perforating or cutting tool and the sequence of processing can be adapted continuously to the printing sheet printed on the paper web.
  • the printed sheets can differ in format and the number of pages, or the number of transverse perforations along which the printed sheets are folded transversely downstream of the device according to the invention.
  • the tool holder is pivotable about a pivot axis aligned transversely or approximately transversely to the direction of travel T of the paper web and parallel to a transport plane paper web about a pivot angle between the two working positions, so that either the perforating or the cutting tool is engageable with the at least one counter tool. Due to the pivoting movement about a relatively small pivot angle, when changing between the working position, the tools only a minimal way with low height change back.
  • the swing angle has a preferred value which is in a range between 5 ° and 90 °. More preferably, the swivel angle is in a range between 15 ° and 30 °.
  • the change in height of the tools has the advantage that the tools are spaced from the paper web when they are not in their working position. Next less mass is accelerated by the pivoting movement and slowed down again, as if the entire tool carrier would have to be moved in a linear direction between two working positions. Thanks to the small path the tools can take when swiveling around the swivel angle, the change from one to the other working position can be made very quickly and in the run. In addition, the storage of the tool carrier can be stiff, simple, inexpensive and 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 each other in a plane parallel to the transport plane of the paper web, so that according to the principle of a shear cut a cutting edge of the perforating or a cutting edge of the cutter train only in one Part of its length with the at least one counter tool can be brought into engagement.
  • the cutting area thereby moves when processing from one edge of the paper web transversely to the direction of the other edge. Since the perforation or the cut does not take place with one stroke over the entire width of the paper web, the forces occurring during processing and the noise emissions can be significantly reduced. At the same time, the cutting quality and the service life of the cutting tools are increased by the paper cutting.
  • the tool carrier for carrying out the pivoting movement via a crank drive with a drive axle of a third drive motor wherein the crank mechanism has a push rod which has a first axis with a, arranged on the drive axle of the third drive motor crank and a second axis is connected to the tool carrier.
  • the crank mechanism can be converted into a pivoting movement of the tool carrier in a simple and cost-effective manner, the rotational movement of the third drive motor without the third drive motor must stop in one of the working positions and change the direction of rotation. Due to the crank mechanism, a slight deviation of the rotational position of the third drive motor in the two dead centers of the tool carrier hardly affects its position for processing the paper web.
  • the third drive motor may be arranged upstream or downstream of the pivot axis of the tool carrier.
  • the third drive motor is designed as a gearless torque motor. Torque motors have despite high torques even at low speeds, a small size and it can be dispensed with a gearbox. This results in a compact, backlash-free and cost-effective drive.
  • the first axis, the second axis and the drive axis of the third drive motor are parallel to each other. Further, the first axis and the drive axis are spaced apart from each other by a crank radius. Due to the parallel axes, the bearings in the push rod and in the crank can be made simple and inexpensive, since hardly any axially acting forces arise but a direct power flow from the tool carrier to the machine frame is present. The length of the crank radius has an influence on the tilt angle of the tool carrier.
  • first axis, the second axis and the drive axis of the third drive motor are each arranged in a plane when the tool carrier is in one of the two working positions.
  • the cutting forces occurring during the processing of the paper web are transferred from the cutting and perforating tools via the tool carrier, the push rod and the crank very directly to the machine frame, without any disturbing torque being transmitted to the drive axle of the third drive motor.
  • the third drive motor can 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 is driven by the at least one counter tool by a second drive motor, wherein the second drive motor is connected to a drive control for controlling its rotational speed and angular position.
  • the third drive motor and a first drive motor of a drive device for the transport of the paper web are likewise connected to the drive control. This can be ensured that these two drive motors be controlled precisely to control their position or their angle of rotation and their speed. Furthermore, individual changes and / or corrections of their rotational position and their rotational speed can easily be made by the drive control taking into account the motion 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 about the actual position of the sheets printed on the paper web and / or the type of processing of the paper web can be transmitted in a simple manner to the drive controller or, on the basis of the identification feature, information about the processing of the printed sheets can be retrieved from a higher-level controller.
  • the cutting drum, the second drive motor, the tool carrier and the third drive motor are mounted in a common machine frame.
  • the exact alignment of the axis of rotation of the cutting drum to the pivot axis of the tool carrier and the exact arrangement of the crank mechanism and the third drive motor can be ensured.
  • Next allows the common machine frame assembly and adjustment of the listed components outside the range of motion of the paper web and the cut sheet.
  • the setting of the perforating tool and of the cutting tool which also interact with the at least one counter tool, is simplified with the common machine frame.
  • the machine frame is formed with an adjustment relative to the paper web about a pivot point parallel to the transport plane of the paper web pivot.
  • the position of the tools arranged in the machine frame must be adjusted because of the cutting principle of the paper cut, so that the operations perpendicular to the direction of the paper web or perpendicular to the edges of the paper web.
  • the adjusting device comprises an adjusting motor which is connected to the drive control or is connected to a higher-level control, as well as, for example, an adjusting spindle drivingly connected to the adjusting motor.
  • the object is also achieved by a method in which the at least one counter-tool rotates about a transverse or approximately transversely to the direction of the paper web aligned axis of rotation and in which a, the perforating and the cutting tool receiving, tool carrier for processing the paper web optionally in each one of two working positions is brought and thereby the perforating tool or the cutting tool cooperates with the at least one counter tool and the paper web perforated transversely to its direction or cut off from a downstream end of the paper sheet printing sheet.
  • a single processing station on one, printed on a digitally printed and continuously conveyed paper web printed sheet optionally no, one or more perforations are made one behind the other and printed sheets are separated with the cutting tool from the paper web.
  • the distances between the processing of the paper web with the perforating or cutting tool and the sequence of processing - perforate or cut - can be adapted continuously to the sheet printed on the paper web.
  • the printed sheets can differ in format and the number of pages, or the number of transverse perforations, along which the printed sheets are folded laterally downstream of the inventive device.
  • the tool carrier pivots about a pivot axis transversely or approximately transversely to the running direction of the paper web and parallel to a transport plane of the paper web by a pivot angle between two working positions back and forth in each of the two working positions in which the tool carrier stands still, either the perforating tool or the cutting tool comes into engagement with the at least one counter tool and perforates or cuts the paper web.
  • the swivel angle can be for example 20 °. It is advantageous if it is in a range between 15 ° and 30 °. It should not be less than 5 ° and not more than 90 °.
  • the cutting quality and the cutting accuracy is significantly higher with the described method in which a paper web is cut between a moving or a rotating and a standing tools, as compared to a machining between two moving tools.
  • the continuously transported paper web is alternately perforated by the perforating tool and cut by the cutting tool, wherein a third drive motor connected to the tool carrier via a crank drive rotates at a constant or approximately constant speed.
  • a third drive motor connected to the tool carrier via a crank drive rotates at a constant or approximately constant speed.
  • the inertia of the third drive motor and the crank gear act in the two dead centers of the tool carrier, which correspond to the working positions, as a flywheel and help to accelerate the tool carrier after the short stoppage again.
  • the tool carrier is left in the respective working position and the third drive motor stopped when a plurality of successive same operations of the paper web are made.
  • the third drive motor then starts to rotate again when, after several successive identical operations of the paper web, the tool carrier is moved from one to the other working position.
  • the tool carrier must therefore only be moved if the paper web is to be processed one after the other with a different tool. If, for example, the paper web is only cut and not perforated in printed sheets with two sides, the third drive motor, the crank mechanism and the knife carrier stand still with the tools. The components are protected and it is prevented that the paper web or the sheet cut therefrom by the unnecessarily oscillating perforating and cutting tool are damaged or disturbed in their transport.
  • a first drive motor for transporting the paper web, a second drive motor of a cutting drum receiving the counter tool and the third drive motor of the tool carrier are controlled by a drive control.
  • the drive control can respond immediately and control the drives such that the required for a high quality cut precise position of the paper web, the cutting and perforating tools and the at least one counter tool is guaranteed.
  • the signals of a sensor directed at the paper web are evaluated in the drive control and the evaluation of the signals influences the activation of the drive motors.
  • the signal of the sensor which detects the actual position of the paper web and the pages printed thereon, the accuracy of the perforation or the section of the paper web can be increased at the intended locations. Slippage or elongation occurring deviations of the position of the paper web in the direction can be greatly reduced with this embodiment.
  • the perforating tool, the cutting tool and the counter-tool are pivoted together relative to the paper web parallel to the transport plane of the paper web by an adjustment angle.
  • the paper web can optionally be perforated and cut even at different lengths of printed on the paper web pages and / or paper webs with different widths perpendicular to their direction.
  • a device 1 for perforating and cutting a continuously transported in the direction T paper web 2 is shown.
  • the paper web 2 is printed upstream of the inventive device 1 with a digital printing machine, not shown, and can optionally in a in Fig. 6 are shown folded longitudinally one or more times, so that the paper web 2 in the area of the device 1 is one or more layers.
  • single-ply paper web 2 are consecutively four-sided printed sheet 8 'and six-sided printed sheet 8 "imprinted, wherein in Fig. 1 only the upper sides S are visible.
  • the sides S have a length L which can vary from side S to side S.
  • the paper web 2 is driven by at least one upstream of the device 1 for perforating and cutting the paper web 2 arranged drive means 9. It has a single drive roller 10 or a pair of drive rollers 10, between which the Textilban is driven frictionally.
  • the drive rollers 10 are connected to a first drive motor 11. Downstream of the device 1 for perforating and cutting the paper web 2, a transport device 70 is arranged, which with its upper and lower transport elements 71, 72 accepts and transports one end 102 of the paper web 2 or the cut printed sheets 8 ', 8 " the device 1 downstream with one or more optionally, in Fig. 1 only schematically shown sheet processing stations 80.
  • one of the sheet processing stations 80 which is formed for example as a transverse and / or Leksfalz adopted, is a stacking device 6 for forming a stack 7 from from the end 102 of the paper web 2 separated and unfolded, one or more Quergefalzten and / or longitudinally folded sheet 8 ', 8 "arranged.
  • the device 1 has as in Fig. 2 illustrated on a first side 3 of the paper web 2 a transversely or approximately transversely to the direction T of the paper web 2 arranged bar-shaped tool carrier 12.
  • This has two spaced receiving points 13, to each of which a tool is attached.
  • a perforating tool 14, also called a perforating blade which is fixed with a fastening element 15 on the tool carrier 12 is on the right side.
  • a cutting tool 16 which is also referred to as a cutting blade or knife, mounted with a further fastening element 15. It is also conceivable that the cutting tool 16 are fastened on the right and the perforating tool 14 on the left.
  • the perforating tool 14 is formed as a strip-shaped knife with a cutting edge 17, in which the cutting edge 17 is interrupted at regular intervals. It is also conceivable that with one or more fastening elements 15, two or more perforating tools 14 are fixed side by side over the length of the tool carrier 12.
  • the cutting tool 16 is also designed as a strip-shaped knife and has a continuous cutting edge 18, so that the paper web can be completely severed in a processing step. Of course, the cutting tool 16 from several, in the receiving point 13 juxtaposed cutting blades 16 are formed. At least at the time of cutting, the cutting edges of the plurality of cutting blades must be aligned with each other to obtain a straight cut of the paper web 2 perpendicular to its running direction T.
  • the perforating tool 14 and the cutting tool 16 are made in one piece or that the tool carrier 12 and the perforating and cutting tools 14, 16 are formed as a component. Further, it is also conceivable that only one of the two receiving points 13 of the tool carrier 12 are 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 On one of the first side 3 opposite second side 20 of the paper web 2 and relative to the tool carrier 12, a rotating cutting drum 21 is arranged.
  • the cutting drum 21 has an axis of rotation 22 oriented transversely or approximately transversely to the direction of travel T of the paper web and parallel to a transport plane 100 of the paper web 2.
  • the cutting drum is rotated 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 not shown gear drive driven in a clockwise direction.
  • the cutting drum 21 has as in Fig. 3 represented on its periphery two 180 ° to each other offset receiving points 24 for receiving one or more mating tools 25, each having a cutting edge 26 on.
  • the cutting drum 21 may 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 measure on the circumference of the cutting drum 21 between two cutting edges 26 of adjacent counter tools 25 is selected so that at a maximum length L of the sides S the peripheral speed of the cutting drum is equal to the larger than the conveying speed v the paper web.
  • the cutting drum 21 is arranged to the paper web 2, that the circumference of the cutting drum 21 and an orbit of the cutting edge 26 of the counter tool, the paper web 2 tangentially almost or completely touched.
  • the tool carrier 12 has an in Fig. 2 shown first working position 30, in which the perforating tool 14 is in a processing position 19 in engagement with the rotating counter-tool 25.
  • the cutting edge 18 of the cutting tool 16 is spaced in this working position 30 in the horizontal and vertical directions from the processing position 19. It would also be conceivable that the cutting edge 18 of the cutting tool 16 were either only horizontally or only vertically spaced from the processing position 19.
  • the tool carrier 12 is rotatable about an arranged on the first side 3 of the paper web 2, transversely or approximately transversely to the direction T of the paper web (2) and parallel to a transport plane (100) paper web (2) aligned pivot axis 31 in an in Fig. 5 stored machine frame 32.
  • the tool carrier 12 By a pivoting movement about a pivot angle ⁇ about the pivot axis 31, which is arranged on the side facing away from the paper web 2 of the tool carrier 12, the tool carrier 12 is set in a second working position 33.
  • the in Fig. 4 ⁇ is the pivoting angle ⁇ is about 20 °.
  • the swivel angle ⁇ can also be greater or smaller than 20 °, for example between 15 ° and 30 °. There are even smaller or even larger pivot angle ⁇ conceivable, but should not be less than 5 ° and not greater than 90 ° for geometric reasons.
  • balancing mass 50 On the tool holder 12 is an in Fig. 2 shown balancing mass 50 attached.
  • the center of gravity of the tool carrier 12 including the perforating and cutting tools 14, 16 and the fastening elements 15 is displaced in the direction of the pivot axis 31.
  • the center of gravity is on the pivot axis 31.
  • the leveling compound 50 can, of course, be formed directly on the tool carrier 12 in order, for example, simultaneously to increase the rigidity of the tool carrier 12 by the leveling compound 50.
  • the axis of rotation 22 of the cutting drum 21 with respect to the pivot axis 31 of the knife carrier and thus also with respect to the orientation of the cutting edges 17, 18 of the perforating tool 14 and the cutting tool 16 as in Fig. 7 represented at an angle ⁇ is arranged. It is thereby achieved that the paper web 2 is severed transversely to its transport direction T with a paper cut.
  • the angle ⁇ is less than 2 ° to choose, advantageously it is less than 1 °.
  • the paper web 2 is processed by the small angular offset not with a across the entire width B simultaneously occurring cut, but by a transverse through the paper web 2 cutting region in which a portion of the cutting edges 17, 18 with a portion of the cutting edge 26 of the counter tool in Are engaged. This cutting principle is in the EP 1186561 A1 described in more detail.
  • the cutting tool 16 in the machining position 19 in engagement with the rotating counter-tool 25.
  • the cutting edge 17 of the perforating 14 is spaced as in the above-described cutting tool 16 in the working position 33 in the horizontal and vertical direction of the processing position 19. If, in an alternative embodiment, not shown, the tool carrier 12 would be moved linearly from one working position to another, the cutting edge 17 of the perforating tool 14 would be in the working position 33 only in the horizontal or vertical direction from the processing position 19, as in the cutting tool 16 described above spaced.
  • the cutting edge 17 of the perforating tool 14 or the cutting edge 18 of the cutting tool 16 are aligned transversely or approximately transversely to the running direction T of the paper web 2 during the cutting process.
  • the tool carrier 12 is designed to be displaceable in the linear direction or along a movement path from one to the other working position.
  • both working positions 30,33 is the processing position 19 at the point where the cutting drum 21 of the paper web 2 is tangentially closest in an area around this point.
  • the tool holder 12 can also be brought into a rest position, not shown, which is arranged between the two working positions 30, 33. In this resting position both blades 17, 18 are vertically and / or horizontally spaced from the processing position 19 and do not contact the paper web 2 on its first side 3.
  • a third drive motor 40 and at least one crank mechanism 41 is provided.
  • the third drive motor 40 designed as a servo motor, in particular as a play-free torque motor, is arranged with a holding element 51 on the first side 3 of the paper web 2, upstream of the processing position 19 and fastened to the machine frame 32. It has a parallel to the pivot axis 31 of the tool carrier 12 aligned drive axle 42.
  • the third drive motor 40 has a continuous motor shaft 43 which extends on the two opposite sides of the third drive motor 40 in the direction of the drive shaft 42 and away from the drive motor.
  • a crank 44 is rotatably connected to the motor shaft 43. It has a first axis 45 parallel to the drive axis 43 and offset by a crank radius r relative to the latter.
  • a connecting rod 12 connecting the tool carrier 12 and the crank 44 is rotatably mounted on the first axis 45 at one end.
  • the other end of the push rod 46 is connected to a second axis 47 bearing 48 of the tool carrier 12.
  • the second axis 47 is parallel both to the first axis 45 and to the pivot axis 31 of the tool carrier 12. It is advantageous if, for the reduction of unwanted vibrations on the crank 44, an only in Fig. 2 shown balancing mass 49 attached or formed directly on the crank 44.
  • the third drive motor 40 has only one motor shaft 43 protruding from the motor housing on one side and is connected to the tool carrier 12 only via a single crank mechanism 41. It would be advantageous if the third drive motor 40 is arranged in the machine housing 32 so that the only crank mechanism 41 is approximately in the middle of the elongated extension of the tool carrier 12 with this Connected. Furthermore, it is also conceivable that the third drive motor 40 is not arranged directly on the drive axle 43, but instead a drive wheel arranged on the drive axle 43 via a belt or chain drive or a gear drive drives. Further, it is also conceivable that the tool carrier 12 is pivoted by the third drive motor 40 via a not-shown cam gear from one to the other working position. In this case, a rotatably mounted on the second axis 47 of the tool carrier 12 cam roller could roll on a rotating cam, which is arranged rotatably on the drive shaft 42 of the third drive motor 40.
  • the second drive motor 23 of the cutting drum 21 and the third drive motor 40 of the tool carrier 12 are connected to a drive controller 61 for exchanging control signals via data lines 60.
  • the first drive motor 11 of the paper web 2 may be connected via a data line 60 to the drive control 61.
  • the drive controller 61 controls the rotational speed and the angular position of the drive motors 11, 23, 40. It is conceivable that the drive controller 61 is transmitted a control signal of the first drive 11, due to which a first coarse positioning of the second drive motor 23 and the third drive motor 40 takes place , Upstream of the cutting drum 21 there is optionally arranged a sensor 62 aligned with the paper web 2 for reading identification features 101 applied to the paper web.
  • the drive controller 61 can control the second drive motor 23 and the third drive motor 40 based on the signals of the sensor 62 so that the paper web 2 is precisely perforated or cut precisely at the desired locations.
  • the drive control 61, the drive 40 also control so that tool carrier 12 is stopped in the rest position.
  • the paper web 2 is fed to the device 1 at a conveying speed v in the transporting direction T, the conveying speed v corresponding to the transport speed of the paper web in the digital printing press or in the unwinding station. If the paper web 2 is guided through a buffer station known in the prior art, in which a certain length of the paper web 2 can be retained, the conveying speeds v before and after the buffer station can also be different.
  • the paper web 2 is of at least one in Fig. 1 illustrated drive device 9, which transports the paper web with a single or two counter-rotating drive rollers 10.
  • the drive device 9 can either be designed as an independent station or be part of the digital printing press or the unwinding station or one of the optional processing stations or part of the device 1 according to the invention.
  • the pages S printed on the paper web 2 are associated with individual printed sheets 8 ', 8 ", which each have the same or different number of pages S.
  • Fig. 1 are on the paper web 2 upstream of the device 1 two, first sheet 8 ', each with four printed pages S- each two pages S on the first page 3 of the paper web 2 and two pages S on the second page 20 -.
  • a second printing sheet 8 " is shown with six printed pages, which has just been separated from the end 102 of the paper web 2 by the cutting tool 16 and the counter-tool 25 of the cutting drum 21.
  • Downstream of the printing sheet 8" is another four-sided printing sheet 8 '. shown, which was separated from the paper web 2 before the printing sheet 8 "and is now conveyed to the area of the sheet processing stations 80.
  • quadrilateral sheet 8 ' have a single perforation 73, where they are folded in a trained as Querfalz coupled sheet processing stations 80. Thereafter, the sheets 8 'are fed via a further or more optional sheet processing stations 80, for example to a stacker 6.
  • the six-sided sheets 8 “have two perforations 73, along which they pass when passing through Querfalz Hughesen the sheet processing station 80 are folded. Thereafter, the folded six-sided sheet 8 "as well as the four-sided sheet 8 'are fed to a stacking device 6 or another conveying or processing station.
  • the continuously conveyed paper web 2 is optionally either cut or perforated with the same or different number of pages S transversely to the transport direction T according to the printed sheets 8'8 "printed thereon are for this purpose connected to the drive control 61.
  • the information on where and at which distance the paper web 2 has to be cut or perforated is conveyed to the drive control 61, for example, by the digital printing machine or a higher-level machine control Alternatively or additionally thereto, one on the paper web 2 can also be conveyed Visible or invisible applied identification feature 101 can be read with the sensor 62.
  • the drive control 61 evaluates the signal from the sensor 62 and determines the exact location where the Textilban 2 is perforated or cut.
  • the drive control 61 which may also be integrated in the superordinate machine control, determines the conveyor speed v of the paper web 2 and the length L of a printed page S on the basis of the diameter of the cutting drum 21, the number of counter tools 25 uniformly distributed on the circumference of the cutting drum 21 Speed at which the drive motor 23 drives the cutting drum 21. Further, the drive controller 61 also determines the timing or angular position of the second drive motor 23 when one of the counter tools 25 must be in the processing position 19 with its cutting edge 26 to either perforate or cut the paper web at the proper location. If the sides S printed on the paper web 2 have an equal length L, the cutting drum 21 rotates uniformly or almost uniformly at a constant speed of the paper web 2. As in Fig.
  • the device according to the invention with its frame 32 at a certain angle to the paper web 2.
  • the drive motor 23 accelerates or decelerates the cutting drum 21 and the peripheral speed of the cutting drum 21 is adjusted to a different length L '.
  • the difference in length is compensated and the cut 74 or the perforation takes place at the designated location.
  • the angle ⁇ required for the paper cut between the obliquely arranged axes 22, 31 of the cutting drum 21 or of the tool carrier 12 is one of the basic settings of the device 1 and is not changed during operation.
  • the cutting drum 21 is driven at a constant or almost constant speed. It is advantageous if the peripheral speed of the cutting drum 21 is equal to or greater than the conveying speed v of the paper web 2 even with sides S having the greatest possible length L to be processed. This ensures that the paper web 2 is not compressed on the cutting drum 21 or on the counter tools 25 because upsetting of the paper web 2 would impair or render impossible a precise processing by perforating or cutting. For the drive of the cutting drum 21, it is irrelevant whether the paper web 2 is perforated or cut by the device 1 or whether it is the perforating tool 14 or the cutting tool 16 in the processing position 19 with the counter-tool 25 of the cutting drum.
  • the drive controller 61 also controls the third drive motor 40 of the tool carrier 12 Fig. 1 illustrated sheet 8 'processed with four sides S of the device 1 transversely to the direction T of the paper web 2, it is alternately successively cut once, then perforated and then cut again.
  • the sequence of cut 74 - perforation 73 - cut 74 - perforation 73 etc. is repeated as long as one behind the other sheets 8 'with four pages S are printed on the paper web 2.
  • the third drive motor 40 can be operated at a constant or approximately constant speed. The in the Fig. 2 . 3 .
  • the tool carrier 12 is pivoted by the third drive motor 40 via the crank mechanism 41 about the pivot axis 31 back and forth, so that it is pivoted by one of the working positions 30, 33 by a pivot angle ⁇ in the other.
  • the perforating tool 14 in the second working position 33 (see Fig. 3 ) the cutting tool 16 with one of the counter tools 25 of the cutting drum 21 engages and perforates or cuts the paper web 2 at the desired location.
  • the pivot angle ⁇ is determined by the spatial arrangement of the drive 40 with respect to the tool carrier 12, by the geometric relationships of the crank mechanism, in particular the size of the crank radius r and the length of the push rod 46, by the distance of the pivot axis 31 and the second axis of rotation 47, and determined by the arrangement of the pivot axis 31 and the motor shaft 42.
  • the tool carrier 12 is temporarily stopped in each of the two working positions 30, 33. This causes, firstly, that the perforating tool 14 and the cutting tool 16 each stand still while the rotating counter-tool 25 is engaged with one of them.
  • the arrangement is particularly advantageous, because thereby the cutting forces arising during perforation or cutting are largely or completely transmitted to the machine frame 32 via the crank mechanism, not shown in the figures optional bearings of the motor shaft 43 and the drive motor 40.
  • An undesirable torque due to cutting forces on the third drive motor 40 which would adversely affect the cutting accuracy, the quality of cut and the service life of the tools 14, 16, 25, can be prevented in a simple manner.
  • the third drive motor 40 is cheaper, since it can be dimensioned smaller than if it had to counteract the unwanted torque to comply with its precise position each defined.
  • the processing of the paper web 2 can take place not only in the above-mentioned dead centers of the crank mechanism, but also when the drive shaft 42, the first axis 45 and the second axis 47 are not or no longer in a common plane.
  • the larger-dimensioned drive motor 40 must compensate for a torque resulting from the machining in the form of a holding torque.
  • Fig. 1 illustrated sheet 8 "processed with six sides S of 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.
  • the tool holder 12 may not in this sequence as described above from the continuous or If the paper web is perforated twice in succession because of the printed sheets 8 ", the third drive motor 40 is stopped by the drive control 61 for a short time between the two working positions 30, 33.
  • the tool carrier 12 remains in the first working position 30 stand until two perforations 73 were made on the paper web 2. Subsequently, the third drive motor 40 is accelerated again, so that the tool holder 12 and thus the cutting tool 16 is in time for the next processing of the paper web 2 with the counter tool 25 in the second working position 33.
  • FIGS. 1 . 2 . 3 and 4 shown arrangement of the cutting tool 16 in the left and the perforating tool 14 in the right receiving points 13 of the tool carrier 12 has the advantage that the paper web at a in Fig. 4 shown change from the first working position 30 ( Fig. 2 ) into the second working position 33 ( Figure 3 ) only perforated and not separated. Because by the movement of the tool carrier 12 against the transport direction T, the end 102 of the paper web 2 could collide with the tool carrier 12, one of the tools 14, 16 or one of the fasteners 15 and cause a paper jam. In Fig. 4 is shown a state in which the paper web 2 has just been separated between the cutting tool 16 and the counter tool 25.
  • the cutting tool 16 and the perforating tool 14 supported by their movement in the same direction the transport the end 102 of the paper web 2 towards the transport device 70.
  • the in Fig. 4 shown position of the tool carrier could correspond to a possible rest position, in which neither of the two tools 14, 16 has contact with the paper web and processes it. In a preferred rest position, the vertical distances of the cutting edge 17 of the cutting tool 16 and the cutting edge 18 of the perforating tool 14 to the paper web 2 are the same size.
  • a paper web 2 is shown, which during its transport in the conveying direction T of an upstream of the inventive device 1 for cutting or perforating arranged longitudinal folding device 75 passes.
  • the paper web 2 is folded by the Lssensfalz Surprise 75, for example, with a so-called funnel fold to its half width B.
  • the paper web 2 ' has two layers. It now has a closed side 76 at the location where it was folded and an open side 77 opposite it.
  • the pages S printed on the paper web 2 ' are associated with either the first printed sheet 78' or the second printed sheet 78 "Since the paper web 2 'has two layers, the first printed sheet 78' consists of four sides S, with only the uppermost side S being visible.
  • the printed sheet 78 "consists of eight pages S.
  • a plurality of printed sheets 78 ', 78" successively printed on the paper web 2, 2' in the running direction T each form a book section 79.
  • the sheets 78 ', 78 "of a book section 79 for example, connected by the application of adhesive together and processed together or separately from each other to brochures or books.
  • the in Fig. 6 shown four-sided printed sheet 78 'cut twice in succession by the tool holder 12 in the second operating position 33 briefly stops before it is accelerated again and placed in the first working position 30.
  • a perforation 73 is made on a following printed sheet 78 ".
  • the third drive motor 40 is operated at a constant or almost constant speed. In this case, per perforation 73 and a cut 74 per revolution of the motor shaft 43 of the drive motor 40 is made.
  • the third drive motor 40 is stopped by the drive control 61.
  • the tool holder 12 remains in the second working position 33 while standing until the last cut 74 was made before a subsequent perforation 73. Then, the third drive motor 40 is accelerated again by the drive control 61, so that the tool carrier 12 and thus the perforating tool 14 for the next processing of the paper web 2 2 'with the counter tool 25 is in time in the first working position 33.
  • a printed sheet 8 may be printed, which consists of eight individual pages S. Between the cuts 74 necessary at the beginning and at the end of the printing sheet, three perforations 73 are necessary in such a printed sheet 8. In two arranged downstream of the device 1 Querfalz Hughesen 4, 5 of the eight-sided sheet 8 is halved in each case. Even sheets 8 with more than 3 perforations 73 transversely to the direction T of the paper web 2, 2 'can be realized, as long as they can be processed with the downstream processing stations.
  • the separated from the paper web 2, 2 'printed sheets 8', 8 ", 78 ', 78" are downstream of the device 1 of the in Fig. 2 . 3 and 4 Transport device 70 shown schematically further transported.
  • 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 '.
  • a small gap forms between two following printed sheets 8 ', 8 ", 78', 78".
  • the transport speed v of the transport device 70 be equal to or slightly higher than the transport speed v de paper web 2, 2 'so that the paper web 2, 2' in the inventive device retains the web tension and is not compressed.
  • the printsheet 8 ', 8 ", 78', 78" are in the transport device 70 either on lower transport elements 71 or are clamped between the lower transport elements 71 and upper transport elements 72.
  • the tool holder 12 is stopped in a rest position, which is located between the working positions 30, 33, the rest position could, as in Fig. 4 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 horizontally from the paper web 2, 2 'and are spaced from the processing position 19 in the horizontal and vertical directions.
  • the cutting drum 21 can also be stopped or continue to rotate with respect to the paper web 2, 2 'reduced or the same peripheral speed.

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)
  • Details Of Cutting Devices (AREA)
  • Control Of Cutting Processes (AREA)
  • Handling Of Sheets (AREA)
EP18208615.7A 2017-11-30 2018-11-27 Dispositif et procédé de coupe ou de perforation d'une bande de papier Active EP3492229B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH14642017 2017-11-30

Publications (2)

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EP3492229A1 true EP3492229A1 (fr) 2019-06-05
EP3492229B1 EP3492229B1 (fr) 2020-09-30

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EP18208615.7A Active EP3492229B1 (fr) 2017-11-30 2018-11-27 Dispositif et procédé de coupe ou de perforation d'une bande de papier

Country Status (4)

Country Link
US (1) US10913631B2 (fr)
EP (1) EP3492229B1 (fr)
JP (1) JP7386605B2 (fr)
CN (1) CN110027034B (fr)

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DE102019130863B3 (de) * 2019-11-15 2021-02-18 Koenig & Bauer Ag Bogenbearbeitungsmaschine
WO2021094096A1 (fr) 2019-11-15 2021-05-20 Koenig & Bauer Ag Machine de traitement de feuilles et procédé d'entraînement d'au moins un outil d'une machine de traitement de feuilles
US11485035B2 (en) 2019-11-15 2022-11-01 Koenig & Bauer Ag Sheet processing machine and method for driving at least one tool of a sheet processing machine
EP4269053A2 (fr) 2019-11-15 2023-11-01 Koenig & Bauer AG Machines de traitement de feuilles et procédé d'entraînement d'au moins un outil d'une machine de traitement de feuilles
EP3825595A1 (fr) 2019-11-25 2021-05-26 Koenig & Bauer AG Machine de découpe avec système de lubrification

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JP7386605B2 (ja) 2023-11-27
JP2019098514A (ja) 2019-06-24
CN110027034A (zh) 2019-07-19
CN110027034B (zh) 2023-03-28
US10913631B2 (en) 2021-02-09
US20190161312A1 (en) 2019-05-30
EP3492229B1 (fr) 2020-09-30

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