EP2556931A1 - Method and device for processing a sheet of material - Google Patents

Method and device for processing a sheet of material Download PDF

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Publication number
EP2556931A1
EP2556931A1 EP20120005206 EP12005206A EP2556931A1 EP 2556931 A1 EP2556931 A1 EP 2556931A1 EP 20120005206 EP20120005206 EP 20120005206 EP 12005206 A EP12005206 A EP 12005206A EP 2556931 A1 EP2556931 A1 EP 2556931A1
Authority
EP
European Patent Office
Prior art keywords
carriage
web
linear motor
driver
double
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
EP20120005206
Other languages
German (de)
French (fr)
Other versions
EP2556931B1 (en
Inventor
Fritz Rainer Götz
Andreas Baumüller
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.)
Baumueller Nuernberg GmbH
Original Assignee
Baumueller Nuernberg GmbH
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Filing date
Publication date
Application filed by Baumueller Nuernberg GmbH filed Critical Baumueller Nuernberg GmbH
Publication of EP2556931A1 publication Critical patent/EP2556931A1/en
Application granted granted Critical
Publication of EP2556931B1 publication Critical patent/EP2556931B1/en
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
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/045—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member 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
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
    • B26D1/095—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/10—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being reciprocated in rectilinear paths
    • 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
    • B65H35/04—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 transverse cutters or perforators
    • B65H35/06—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 transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0043—Details, accessories or auxiliary or special operations not otherwise provided for the cutting machine comprising a linear motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/55—Tandem; twin or multiple mechanisms, i.e. performing the same operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/52—Gripping means reciprocating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/57—Details of the gripping parts
    • B65H2405/572—Retractable parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product

Definitions

  • the invention relates to a method and a device for processing a material web, in particular for producing individual sections from a path of a limp material moving along a material movement direction, for example made of paper.
  • a material movement direction for example made of paper.
  • Newspaper printing uses paper webs wound on paper rolls. These rolls of paper are unrolled or unwound and the web is passed through a printing machine with the aid of a plurality of rollers. In the printing press, ink is usually applied to the paper web in the offset printing process. By means of a so-called Klappenfalzapparats the paper web is cut and thus created individual, the newspaper pages forming sections.
  • Klappenfalzapparats By means of puncturing a folding blade cylinder of the flap folding apparatus, the front end of the paper web is gripped, and by rotating the folding blade cylinder, the paper is at least partially transported along the circumference thereof.
  • a cutting blade cylinder arranged parallel to the folding blade cylinder is in contact with the paper and rotates in the direction opposite to the rotational movement of the folding blade cylinder.
  • cutting blades extending along the axis of rotation are mounted thereon. If these knives hit the paper web, they are severed there. Suitably located on the folding blade on the corresponding to the cutting blades of the cutting blade cylinder so-called cutting strips. These cutting bars are used both to ensure the most accurate cut and a protection of the cutting blade and / or the folding blade itself. Comparatively close behind each of the cutting bars are theillonumadeln mentioned above. In this way, the paper web and the created sections are relatively certainly pulled without kinking them by the Klappenfalzapparat.
  • a disadvantage of the Klappenfalzapparat is that the size of the created sections is always the same and given by the distribution of the cutting blade and the cutting strips on the respective cylinders. If sections of a different size are to be made, these two cylinders must be replaced.
  • a device for producing individual, format-appropriate material sections from a web.
  • An essential feature here are so-called cross tables with NOTEumadeln, by means of which material web and the sections are transported along a direction of movement.
  • As a cross table an association of two linear motors is called servo drives, wherein the respective direction of movement is orthogonal to each other.
  • servo drives By means of one of the cross tables, a portion of the web is pulled along a direction of material movement and separated by a cutting blade which cooperates with a cutting bar. This is attached to another of the cross tables.
  • the length of the created sections can be varied as desired, since the two-dimensional movability of the two linear motors of each of the cross tables makes it possible to move them along a plurality of trajectories while avoiding collisions between the linear motors.
  • the sections are transported to a folding blade via a pair of rollers downstream of the cross tables. This brings at a predetermined location a fold in the sections, with a gripper engages the sections. After opening the gripper, the folded sections fall on a sheet delivery, which transports them away.
  • the invention has for its object to provide a method and an improved apparatus for processing a material moving in the direction of moving material web of a pliable material. Under Edit is here in particular the production of individual sections of the material web understood.
  • the object concerning the method is solved by the features of claim 1 and the object relating to the device by the features of claim 5.
  • Advantageous developments and refinements are the subject of the respective subclaims.
  • the method is used in the context of processing the production of individual sections of a material web which is moved along a material movement direction and consists of a pliable material.
  • the material is in particular paper, whereby rope, fabric, foil or the like would be conceivable.
  • the method is used in particular in the production of newspapers or other printed products.
  • Double slide linear motor is understood to mean an electric drive machine as a servo drive with a stator extending along a direction of movement, the direction of movement being linear. At least two runners assigned to the drive machine interact with the stator and perform a translation along the direction of movement during operation of the double slide linear motor.
  • a double carriage linear motor is a conventional linear motor but has two rotors. The runners are independently movable, both their position relative to one another and their respective position relative to the stator is variable. However, the order in which the runners are relative to the stator along the direction of travel is constant.
  • Each double carriage linear motor has a first carriage in the material movement direction and a second carriage, each comprising a driver.
  • a first step by means of the driver of the first carriage of the first double slide linear motor, a region corresponding to the length of the section the web pulled along the material movement direction.
  • the driver of the first carriage engages the web at the front material or portion of the section in the material movement direction.
  • the area is transferred to the driver of the second carriage of the second double slide linear motor.
  • the driver of the second carriage engages the web at the front region or part of the section.
  • these two carriages are moved during the transfer in the material movement direction at the speed with which the web is moved.
  • the two drivers are in contact with the web, so that no uncontrolled movements of the web arise.
  • the web is gripped by means of the driver of the first carriage of the second double carriage linear motor.
  • the gripping takes place in the direction of movement at the foremost area of the section.
  • the area is separated from the web by a cutting tool, wherein the separation of the web with the first carriage of the first and second Doppelschlittenlinearmotors takes place.
  • the thus produced portion of the pliable material is transported away with the second carriage of the second or first Doppelschlittenlinearmotors.
  • the length of the wider area and thus the length of the newly created section may differ from the length of the original area.
  • the method it is possible to produce portions of the web directly one behind the other, the length of which varies with each other.
  • the created sections are further processed, for example folded and / or sorted.
  • the cutting tool is carried by the first carriage of the second double slide linear motor and another cutting tool by the first carriage of the first double slide linear motor.
  • this cutting tool By means of this cutting tool, the material is cut in the direction of movement in front of the driver of the first carriage and the area located in front of the driver is separated from the web. Since the cutting tool is carried by the carriage, which moves with the speed of the web, thus, a movement of the web at different speeds is allowed, in each case a straight, ie running at a right angle to the material movement direction cutting edge can be created.
  • the apparatus in the course of processing, at least for separating individual sections from a path of a limp material moving along a material movement direction, is suitably used for the production of newspapers within a printing shop.
  • a stator of a first and a second double slide linear motor are arranged.
  • On each of the two stators are movably mounted a first and a second carriage, each of the carriages comprising a rotor.
  • the rotor cooperates with the stator such that the carriage can be moved along the stator.
  • the stator has a number of permanent magnets and the rotor has a coil which interacts with the magnets of the stator when the current is applied in a suitable manner.
  • the rotor is designed as a permanent magnet and the stator comprises a number of coils, or both the rotor has an electromagnet and the stator has a number of electromagnets.
  • Each carriage has a driver, by means of which the material is transported along the material movement direction.
  • the sections are removed from the web by means of the drivers of the second carriages and conveyed to another machine, which processes the sections, for example folds.
  • the sections can be transferred, for example, to another driver, or more preferably, the sections are at least partially processed while they are in contact with those drivers.
  • each of the carriages has a pivoting motor, which is operatively connected to the respective carrier of the carriage.
  • the swivel motor is designed in particular as a 90 ° swivel drive. By means of the swivel motor, it is possible to pivot the driver on the web.
  • the drivers on each other parallel and arranged on both sides of the web gripper bars.
  • the gripper bars are pivoted by means of the pivot motor from a position parallel to the material movement direction in a position perpendicular to this position and in addition, for example, with the same drive or by means of another drive, against each other. In this way, the material web between the gripper bars of each driver is held securely and can thus be gripped and pulled. With a reverse to this movement, the drivers are released from the web.
  • the rotor is designed as an electromagnet and thus has a coil.
  • the rotor is ironless and thus has the lowest possible mass. In this way, it is possible that the carriage can be accelerated and decelerated comparatively quickly, so that the processing of comparatively many sections in succession in can be done in a short time. Further, the speed with which the web is moved can be increased compared to a device in which a rotor is used with an iron core and therefore with a large inertia.
  • the two Doppelschlittenlinearmotoren are advantageously arranged on opposite sides of the web and in particular diametrically to the web.
  • the device has a control unit.
  • the control unit is configured programmatically and / or circuitically to control the individual carriages of the two double slide linear motors.
  • the control unit comprises, for example, a microprocessor.
  • the carriages and their entrainment members are synchronized with one another in such a way with the control unit that the above method is carried out by means of the apparatus. Further, the carriages are tuned to each other so that they do not collide during operation.
  • Fig. 1a to 1c is shown schematically in a time course, a device 2, a first double slide linear motor 4 with a stator 6 and a second double carriage linear motor 8 with a stator 10, wherein the two stators 6, 10 are arranged parallel to each other and to a straight material movement direction 12.
  • the first double-slide linear motor 4 and the second double-slide linear motor 8 have, in the material movement direction 12, a first slide 14 and 16 and a second slide 18 and 20, respectively, which are movable relative to the associated stator 6 and 10, respectively.
  • Each of the carriages 14, 16, 18, 20 has a driver 22.
  • the slides 14, 16, 18, 20 are controlled by means of a control unit 24, which is connected via supply / data lines 26 with the two Doppeischlittlinearmotoren 4, 8.
  • the two double slide linear motors 4, 8 are arranged diametrically to a web 28 consisting of a pliable material 30 and which is moved between the two double slide linear motors 4, 8 along the material movement direction 12.
  • the web 28 is set, for example, by means of rollers, not shown, in motion and unwound from a roll of material 32.
  • the material 30 is paper and the device 2 is part of a so-called web offset printing press, by means of which newspapers are produced.
  • between the roller 32 and the device 2 are machines by means of which paint is applied to the web 28.
  • the carrier 22 of the first carriage 14 of the first double-slide linear motor 4 grips the web 28.
  • the contact between the driver 22 and the web 28 is located substantially at the front edge of the web 28 in the material movement direction 12 (FIG. Fig. 1a ).
  • a region 34 of the web 28 is pulled in the material movement direction 12.
  • the region 34 has a length 36 which is the same size as a length 38 of a section 40 to be created by means of the device 2.
  • the region 34 is transferred to the driver 22 of the second carriage 20 of the second double slide linear motor 8.
  • the second carriage 20 is moved to a position substantially a mirror image position of the first carriage 14 of the first double slide linear motor 4 corresponds. Once this position is reached, the second carriage 20 is moved at the speed of the first carriage 14 in its direction of movement, which corresponds to the material movement direction 12. As the second carriage 20 thus travels substantially parallel to the first carriage 14, the web 28 is transferred thereto.
  • the driver 22 of the second carriage 20 engages the web 28 in the vicinity of the point at which the web 28 has been pulled by means of the driver 22 of the first carriage 14.
  • both the driver 22 of the first carriage 14 is released from the web and the web 28 further pulled in the material movement direction 12 by means of the driver 22 of the second carriage 20. In this way, unwanted loading of the web 28 is avoided, which could, for example, lead to a wrinkling of the web 28 or tearing thereof.
  • the driver 22 of the first carriage 16 of the second double slide linear motor 8 engages the web 28.
  • the gripping of the web 28 is substantially at a distance from the leading edge of the web 28, which corresponds to the distance of the gripping point of the first carriage 14 of the first double slide linear motor 4 from the front edge plus the length 36 of the region 34.
  • the first carriage 16 of the second double carriage linear motor 8 engages the track in a distance 36 of the region 34 behind the first carriage 16 of the first double slide linear motor 4.
  • the first carriage 16 is moved at least after grasping the web 28 at the speed of the second carriage 20 of the second double carriage linear motor 8, so that the distance between the first carriage 16 and the second carriage 20 of the second double carriage linear motor 8 remains constant and approximately the same Length 36 of area 34 corresponds.
  • the gripping of the web 28 by means of the first carriage 16 of the second double slide linear motor 8 could also be timed before the transfer of the web from the first carriage 14 of the first Doppelschlittenlinearmotors 4 to the second carriage 20 of the second double slide linear motor 8 or at the same time to the transfer take place ( Fig. 1 b) ,
  • the region 34 is separated from the web 28 by means of a cutting tool 42 of the first carriage 16, thus creating the portion 40.
  • the separation takes place here at a location whose distance from the front edge of the web 28 corresponds to the length 36 of the region 34.
  • the portion 40 is transported away from the second carriage 20 of the second double slide linear motor 8.
  • the second carriage 20 is accelerated so that its speed is greater than the speed at which the web 28 is moved. The distance between the first carriage 16 and the second carriage 20 is thus increased.
  • the section 40 is processed in a conventional manner, such as folded and sorted ( Fig. 1 c) ,
  • the first carriage 16 of the second Doppelschlittenlinearmotors 8 is further moved at the speed of the web 28 in the material movement direction 12 and thus a further region 34 along the material movement direction 12 pulled.
  • the web 28 is transferred to the second carriage 18 of the first double slide linear motor 4 and the further region 34 is separated from the web 28 and transported away after the first carriage 14 of the first double slide linear motor 4 has grasped the web behind the region 34.
  • the length 38 of two temporally successive sections 40 can vary here.
  • a second portion 40 made the length 38 of a second portion 40 created directly following the creation of a first portion 40 is half that of the first portion 40.
  • the length 36 of the portions 34 having the length 38 of the portions 40 matches.
  • the process is repeated until the desired number of sections 40 have been separated from the web 28.
  • the speed of the web 28 is constant, for example between 20 m / s and 30 m / s.
  • Fig. 2 shows in a sectional view of the device 2 in a view in which the arrangement of the double slide linear motor 4 and 8 with respect to the arrangement of the Fig. 1a to 1c rotated by 90 ° and oriented at right angles to the material movement direction 12.
  • the first double slide linear motor 4 and the second double slide linear motor 8 On opposite sides of the web 28 of pliable material 30 are the first double slide linear motor 4 and the second double slide linear motor 8.
  • the rotor 44 comprises a preferably ironless coil, which interacts with a suitable current supply with permanent magnets, which has the stator 6.
  • On the rotor 44 is a platform 46, on which a number of pivot motors 48, in the figure four pivot motors 48, is mounted.
  • the swivel motor 48 is a so-called 90 ° swivel drive.
  • the driver 22 of the first carriage 14 includes two gripping decks 50 which are disposed on opposite sides of the web 28 and whose length is greater than the width of the web 28 so that the gripper bars 50 substantially overlap them. If the gripper bars 50 are moved toward one another and the web 28 in the working direction 52, it is possible to fix them by means of the gripper bars 50 and thus to pull them along the material movement direction 12. In a reverse to this movement, the web 28 can be released again.
  • the cutting tool 42 is connected.
  • the cutting tool 42 comprises two blades 54, which, similar to the gripping bars 50, are pivoted and moved by means of the pivoting motors 48. By means of a movement of the blades 54 along the working direction 52 towards each other, it is possible to sever the web 28.
  • the second carriage 20 of the second double slide linear motor 8 is constructed substantially the same as the first slide 14 of the first double slide linear motor 6, however, the second carriage 20 has only two pivot motors 48, with which two gripper bars 50 are operatively connected.
  • the gripper bars 50 of the second carriage 20 are in contact with the web 28, whereas the gripper bars 50 of the first carriage 14 are moved away therefrom by means of the swivel motors 48 thereof.
  • the second carriage 20 no cutting tool 42, so its platform 46 can be made smaller.
  • the first carriage 16 of the second double slide linear motor 8 and the second slide 18 of the first double slide linear motor 4 have the same structure as the first slide 14 of the first double slide linear motor 4 and the second slide 20 of the second double slide linear motor 8.
  • the device 2 is partially shown schematically in a side view.
  • the first carriage 14 of the first double carriage linear motor 4 and the second carriage 20 of the second double carriage linear motor 8 are shown, wherein Fig. 3b the drivers 22 of the carriages 14, 20 and the cutting tool 42 of the first carriage are brought by means of the pivot motors 48 into a position which runs at a right angle to the material movement direction 12.
  • the drivers 22 and the cutting tool 42 are in Fig. 3a each arranged substantially parallel to the material movement direction 12.
  • the gripper bars 50 are pivoted by means of the pivot motors 48 counter to the material movement direction 12, the blades 54 in the direction of material movement direction 12th
  • the invention thus relates to a method and a device 2 for processing a web 28 of a pliable material 30 moving along a material movement direction 12, in which individual sections 40 are produced from the material web 28 by means of a first double-slide linear motor 4 and a second double-slide linear motor 8 which are parallel to the web Material movement direction 12 are arranged, and each having a first in the material movement direction 12 carriages 14, 16 and a second carriage 18, 20 each having a driver 22.
  • both the movements, i. H. the positions, the speeds and the accelerations of the carriages 14, 16, 18, 20 as well as those of the drivers 22 and the cutting and gripping tools 50, 54 and the pivot motors 48 are controlled and, if necessary, synchronized with one another.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Non-Mechanical Conveyors (AREA)

Abstract

The method involves moving pliable material web (28) of paper having individual sections (40) by first double slide linear motor (4) and second double slide linear motor (8) connected in parallel state, to material movement direction (12). The portion (34) of web on driver (22) of first motor is separated by using cutting tool (42), and the severed portion is transported away by second carriage of second motor. Before separation of the portion of material web, the material web is gripped by driver of first carriage of second motor. The length of a portion of corresponding region of web along the material movement direction is drawn by driver of first double slide linear motor, such that the portion of web on driver of second carriage (20) of second double slide linear motor is passed. An independent claim is included for device for process pliable material web.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Bearbeiten einer Materialbahn, insbesondere zur Herstellung einzelner Abschnitte aus einer entlang einer Materialbewegungsrichtung bewegten Bahn eines biegeschlaffen Materials, beispielsweise aus Papier. Unter Bearbeiten wird hierbei auch beispielsweise das Falzen der durch Ablängen der Materialbahn erstellten Abschnitte verstanden.The invention relates to a method and a device for processing a material web, in particular for producing individual sections from a path of a limp material moving along a material movement direction, for example made of paper. By editing this is meant, for example, the folding of sections created by cutting the material web.

Beim Zeitungsdruck werden Papierbahnen verwendet, die auf Papierrollen gewickelt sind. Diese Papierrollen werden abgerollt oder abgespult und die Bahn wird unter Zuhilfenahme eine Vielzahl von Walzen durch eine Druckmaschine geleitet. In der Druckmaschine wird normalerweise im Offset-Druckverfahren Farbe auf die Papierbahn aufgebracht. Mittels eines sogenannten Klappenfalzapparats wird die Papierbahn geschnitten und somit einzelne, die Zeitungsseiten bildende Abschnitte erstellt. Mit Hilfe von Punktumadein eines Falzmesserzylinders des Klappenfalzapparats wird das vordere Ende der Papierbahn gegriffen, und durch eine Rotationsbewegung des Falzmesserzylinders wird das Papier zumindest teilweise entlang dessen Umfang transportiert. Ein parallel zu dem Falzmesserzylinder angeordneter Schneidmesserzylinder steht im Kontakt zu dem Papier und rotiert in die zu der Rotationsbewegung des Falzmesserzylinders entgegengesetzte Richtung.Newspaper printing uses paper webs wound on paper rolls. These rolls of paper are unrolled or unwound and the web is passed through a printing machine with the aid of a plurality of rollers. In the printing press, ink is usually applied to the paper web in the offset printing process. By means of a so-called Klappenfalzapparats the paper web is cut and thus created individual, the newspaper pages forming sections. By means of puncturing a folding blade cylinder of the flap folding apparatus, the front end of the paper web is gripped, and by rotating the folding blade cylinder, the paper is at least partially transported along the circumference thereof. A cutting blade cylinder arranged parallel to the folding blade cylinder is in contact with the paper and rotates in the direction opposite to the rotational movement of the folding blade cylinder.

An bestimmten Stellen entlang des Umfangs des Schneidmesserzylinders sind an diesem entlang der Rotationsachse verlaufende Schneidmesser angebracht. Treffen diese Messer auf die Papierbahn, so wird diese dort durchtrennt. Geeigneterweise befinden sich auf dem Falzmesserzylinder an den zu den Schneidmessern des Schneidmesserzylinders korrespondierenden Stellen sogenannte Schneidleisten. Diese Schneidleisten dienen sowohl der Sicherstellung eines möglichst exakten Schnittes als auch einer Schonung der Schneidmesser und/oder des Falzmesserzylinders selbst. Vergleichsweise nahe hinter jeder der Schneidleisten befinden sich die oben genannten Punktumadeln. Auf diese Weise werden die Papierbahn und die erstellten Abschnitte vergleichsweise sicher ohne ein Verknicken derselben durch den Klappenfalzapparat gezogen. Nachteilig bei dem Klappenfalzapparat ist, dass die Größe der erstellten Abschnitte stets gleich und durch die Verteilung der Schneidmesser und der Schneidleisten an den jeweiligen Zylindern vorgegeben ist. Sollen Abschnitte mit einer anderen Größe hergestellt werden, so müssen diese beiden Zylinder ausgetauscht werden.At certain points along the circumference of the cutting blade cylinder, cutting blades extending along the axis of rotation are mounted thereon. If these knives hit the paper web, they are severed there. Suitably located on the folding blade on the corresponding to the cutting blades of the cutting blade cylinder so-called cutting strips. These cutting bars are used both to ensure the most accurate cut and a protection of the cutting blade and / or the folding blade itself. Comparatively close behind each of the cutting bars are the Punktumadeln mentioned above. In this way, the paper web and the created sections are relatively certainly pulled without kinking them by the Klappenfalzapparat. A disadvantage of the Klappenfalzapparat is that the size of the created sections is always the same and given by the distribution of the cutting blade and the cutting strips on the respective cylinders. If sections of a different size are to be made, these two cylinders must be replaced.

In der WO 2010/142691 A2 ist eine Vorrichtung zur Herstellung einzelner, formatgerechter Materialabschnitte aus einer Bahn offenbart. Wesentliches Merkmal sind hierbei sogenannte Kreuztische mit Punktumadeln, mittels derer Materialbahn und die Abschnitte entlang einer Bewegungsrichtung transportiert werden. Als Kreuztisch wird ein Zusammenschluss von zwei Linearmotoren als Servoantriebe bezeichnet, wobei deren jeweilige Bewegungsrichtung orthogonal zueinander ist. Mittels eines der Kreuztische wird ein Bereich der Bahn entlang einer Materialbewegungsrichtung gezogen und von einem Schneidmesser getrennt, welches mit einer Schneidleiste zusammenwirkt. Diese ist an einem weiteren der Kreuztische angebracht.In the WO 2010/142691 A2 a device is disclosed for producing individual, format-appropriate material sections from a web. An essential feature here are so-called cross tables with Punktumadeln, by means of which material web and the sections are transported along a direction of movement. As a cross table, an association of two linear motors is called servo drives, wherein the respective direction of movement is orthogonal to each other. By means of one of the cross tables, a portion of the web is pulled along a direction of material movement and separated by a cutting blade which cooperates with a cutting bar. This is attached to another of the cross tables.

Die Länge der erstellten Abschnitte kann beliebig variiert werden, da es die zweidimensionale Bewegbarkeit der beiden Linearmotoren eines jeden der Kreuztische ermöglicht, diese entlang einer Vielzahl von Trajektorien unter Vermeidung von Zusammenstößen zwischen den Linearmotoren zu bewegen. Über ein den Kreuztischen nachgelagertes Walzenpaar werden die Abschnitt zu einem Falzmesser transportiert. Dieses bringt an einer vorgegebenen Stelle einen Falz in die Abschnitte ein, wobei ein Greifer die Abschnitte greift. Nach dem Öffnen des Greifers fallen die gefalzten Abschnitte auf eine Bogenauslage, welche diese weg transportiert.The length of the created sections can be varied as desired, since the two-dimensional movability of the two linear motors of each of the cross tables makes it possible to move them along a plurality of trajectories while avoiding collisions between the linear motors. The sections are transported to a folding blade via a pair of rollers downstream of the cross tables. This brings at a predetermined location a fold in the sections, with a gripper engages the sections. After opening the gripper, the folded sections fall on a sheet delivery, which transports them away.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine verbesserte Vorrichtung zum Bearbeiten einer in Materialbewegungsrichtung bewegten Materialbahn eines biegeschlaffen Materials anzugeben. Unter Bearbeiten wird hierbei insbesondere die Herstellung einzelner Abschnitte von der Materialbahn verstanden.The invention has for its object to provide a method and an improved apparatus for processing a material moving in the direction of moving material web of a pliable material. Under Edit is here in particular the production of individual sections of the material web understood.

Erfindungsgemäß wird die das Verfahren betreffende Aufgabe durch die Merkmale des Anspruchs 1 und die die Vorrichtung betreffende Aufgabe durch die Merkmale des Anspruchs 5 gelöst. Vorteilhafte Weiterbildungen und Ausgestaltungen sind Gegenstand der jeweiligen Unteransprüche.According to the invention, the object concerning the method is solved by the features of claim 1 and the object relating to the device by the features of claim 5. Advantageous developments and refinements are the subject of the respective subclaims.

Das Verfahren dient im Rahmen der Bearbeitung der Herstellung einzelner Abschnitte von einer Materialbahn, die entlang einer Materialbewegungsrichtung bewegt wird und aus einem biegeschlaffen Material besteht. Das Material ist insbesondere Papier, wobei auch Seil, Gewebe, Folie oder dergleichen denkbar wäre. Das Verfahren findet insbesondere bei der Herstellung von Zeitungen oder sonstigen Druckerzeugnissen Verwendung.The method is used in the context of processing the production of individual sections of a material web which is moved along a material movement direction and consists of a pliable material. The material is in particular paper, whereby rope, fabric, foil or the like would be conceivable. The method is used in particular in the production of newspapers or other printed products.

Zur Durchführung des Verfahrens sind parallel zu der Materialbewegungsrichtung ein erster und ein zweiter Doppelschlittenlinearmotor angeordnet. Unter Doppelschlittenlinearmotor wird eine elektrische Antriebsmaschine als Servoantrieb mit einem sich entlang einer Bewegungsrichtung erstreckenden Stator verstanden, wobei die Bewegungsrichtung linear ist. Mit dem Stator wechselwirken zumindest zwei der Antriebsmaschine zugeordnete Läufer, die bei einem Betrieb des Doppelschlittenlinearmotors eine Translation entlang der Bewegungsrichtung ausführen. Mit anderen Worten ist ein Doppelschlittenlinearmotor ein herkömmlicher Linearmotor, der jedoch zwei Läufer aufweist. Die Läufer sind voneinander unabhängig bewegbar, wobei sowohl deren Position zueinander als auch deren jeweilige Position relativ zu dem Stator veränderbar ist. Jedoch ist die Reihenfolge konstant, in der sich die Läufer relativ zu dem Stator entlang der Bewegungsrichtung befinden.For carrying out the method, a first and a second double slide linear motor are arranged parallel to the material movement direction. Double slide linear motor is understood to mean an electric drive machine as a servo drive with a stator extending along a direction of movement, the direction of movement being linear. At least two runners assigned to the drive machine interact with the stator and perform a translation along the direction of movement during operation of the double slide linear motor. In other words, a double carriage linear motor is a conventional linear motor but has two rotors. The runners are independently movable, both their position relative to one another and their respective position relative to the stator is variable. However, the order in which the runners are relative to the stator along the direction of travel is constant.

Jeder Doppelschlittenlinearmotor weist einen in Materialbewegungsrichtung ersten Schlitten und einen zweiten Schlitten auf, die jeweils einen Mitnehmer umfassen. In einem ersten Schritt wird mittels des Mitnehmers des ersten Schlittens des ersten Doppelschlittenlinearmotors ein der Länge des Abschnitts entsprechender Bereich der Bahn entlang der Materialbewegungsrichtung gezogen. Insbesondere greift der Mitnehmer des ersten Schlittens die Bahn am in Materialbewegungsrichtung vorderen Teil oder Bereich des Abschnitts.Each double carriage linear motor has a first carriage in the material movement direction and a second carriage, each comprising a driver. In a first step, by means of the driver of the first carriage of the first double slide linear motor, a region corresponding to the length of the section the web pulled along the material movement direction. In particular, the driver of the first carriage engages the web at the front material or portion of the section in the material movement direction.

In einem darauffolgenden Schritt wird der Bereich an den Mitnehmer des zweiten Schlittens des zweiten Doppelschlittenlinearmotors übergeben. Hierfür greift der Mitnehmer des zweiten Schlittens die Bahn am vorderen Bereich bzw. Teil des Abschnitts. Zweckmäßigerweise werden während der Übergabe diese beiden Schlitten mit der Geschwindigkeit in Materialbewegungsrichtung bewegt, mit der auch die Bahn bewegt wird. Geeigneterweise stehen während der Übergabe die beiden Mitnehmer in Kontakt mit der Bahn, so dass keine unkontrollierten Bewegungen der Bahn entstehen.In a subsequent step, the area is transferred to the driver of the second carriage of the second double slide linear motor. For this purpose, the driver of the second carriage engages the web at the front region or part of the section. Appropriately, these two carriages are moved during the transfer in the material movement direction at the speed with which the web is moved. Suitably, during the transfer, the two drivers are in contact with the web, so that no uncontrolled movements of the web arise.

In einem weiteren Schritt, der nach dem Ziehen des Bereichs mittels des ersten Schlittens des ersten Doppelschlittenlinearmotors jedoch sowohl vor, gleichzeitig oder nach der Übergabe erfolgen kann, wird die Bahn mittels des Mitnehmers des ersten Schlittens des zweiten Doppelschlittenlinearmotors gegriffen. Das Greifen erfolgt in Bewegungsrichtung am vordersten Bereich des Abschnitts.However, in a further step, which may occur after pulling the area by means of the first carriage of the first double carriage linear motor both before, simultaneously or after transfer, the web is gripped by means of the driver of the first carriage of the second double carriage linear motor. The gripping takes place in the direction of movement at the foremost area of the section.

In einem an die Übergabe folgenden Schritt wird der Bereich durch ein Schneidwerkzeug von der Bahn getrennt, wobei das Trennen der Bahn mit dem ersten Schlitten des ersten bzw. zweiten Doppelschlittenlinearmotors erfolgt. Der auf diese Weise erzeugte Abschnitt des biegeschlaffen Materials wird mit dem zweiten Schlitten des zweiten bzw. ersten Doppelschlittenlinearmotors abtransportiert.In a step subsequent to the transfer, the area is separated from the web by a cutting tool, wherein the separation of the web with the first carriage of the first and second Doppelschlittenlinearmotors takes place. The thus produced portion of the pliable material is transported away with the second carriage of the second or first Doppelschlittenlinearmotors.

Mit dem Mitnehmer des ersten Schlittens des zweiten Doppelschlittenlinearmotors, der die Bahn in einem der vorhergehenden Schritte gegriffen hat, wird ein weiterer Bereich des Materials entlang der Materialbewegungsrichtung gezogen und das Verfahren erneut ausgeführt, wobei die Funktionsweise der beiden Doppelschlittenlinearmotor vertauscht ist. Insbesondere wird das Verfahren wiederholt, bis eine gewünschte Anzahl von Abschnitten erstellt ist.With the driver of the first carriage of the second double slide linear motor, which has seized the web in one of the preceding steps, another area of the material is pulled along the direction of material movement and the method is carried out again, wherein the operation of the two double slide linear motor is reversed. In particular, the process is repeated until a desired number of sections have been created.

Die Länge des weiteren Bereichs und somit die Länge des neu zu erstellenden Abschnitts kann hierbei von der Länge des ursprünglichen Bereichs abweichen. Mit anderen Worten ist es mittels des Verfahrens ermöglicht, direkt hintereinander Abschnitte von der Bahn herzustellen, deren Länge untereinander variiert. Insbesondere werden, falls das Material Papier ist und das Verfahren innerhalb eines Herstellungsprozesses einer Zeitung zum Einsatz kommt, die erstellten Abschnitte weiterverarbeitet, beispielsweise gefalzt und/oder sortiert.The length of the wider area and thus the length of the newly created section may differ from the length of the original area. In other words, by means of the method it is possible to produce portions of the web directly one behind the other, the length of which varies with each other. In particular, if the material is paper and the method is used within a production process of a newspaper, the created sections are further processed, for example folded and / or sorted.

Geeigneterweise wird das Schneidwerkzeug von dem ersten Schlitten des zweiten Doppelschlittenlinearmotors und ein weiteres Schneidwerkzeug von dem ersten Schlitten des ersten Doppelschlittenlinearmotors getragen. Mittels dieses Schneidwerkzeugs wird in Bewegungsrichtung vor dem Mitnehmer des ersten Schlittens das Material geschnitten und der sich vor dem Mitnehmer befindliche Bereich von der Bahn getrennt. Da das Schneidwerkzeug von dem Schlitten mitgeführt wird, welcher sich mit der Geschwindigkeit der Bahn bewegt, ist somit ein Bewegen der Bahn mit unterschiedlichen Geschwindigkeiten erlaubt, wobei jeweils eine gerade, also in einem rechten Winkel zu der Materialbewegungsrichtung verlaufende Schnittkante erstellt werden kann.Suitably, the cutting tool is carried by the first carriage of the second double slide linear motor and another cutting tool by the first carriage of the first double slide linear motor. By means of this cutting tool, the material is cut in the direction of movement in front of the driver of the first carriage and the area located in front of the driver is separated from the web. Since the cutting tool is carried by the carriage, which moves with the speed of the web, thus, a movement of the web at different speeds is allowed, in each case a straight, ie running at a right angle to the material movement direction cutting edge can be created.

Die Vorrichtung dient im Rahmen der Bearbeitung zumindest zum Abtrennen einzelner Abschnitte von einer entlang einer Materialbewegungsrichtung bewegten Bahn eines biegeschlaffen Materials und wird geeigneterweise zur Herstellung von Zeitungen innerhalb einer Druckerei verwendet. Parallel zu der Materialbewegungsrichtung sind sowohl ein Stator eines ersten als auch eines zweiten Doppelschlittenlinearmotor angeordnet. Auf jedem der beiden Statoren sind beweglich ein erster und ein zweiter Schlitten angebracht, wobei jeder der Schlitten einen Läufer umfasst. Der Läufer wirkt derart mit dem Stator zusammen, dass der Schlitten entlang des Stators bewegt werden kann. Beispielsweise weist der Stator eine Anzahl von Permanentmagneten und der Läufer eine Spule auf, die bei einer geeigneten Bestromung mit den Magneten des Stators wechselwirkt. Ebenso denkbar wäre jedoch auch, dass der Läufer als Permanentmagnet ausgebildet ist und der Stator eine Anzahl von Spulen umfasst, oder sowohl der Läufer einen Elektromagneten als auch der Stator eine Anzahl von Elektromagneten aufweist. Jeder Schlitten weist einen Mitnehmer auf, mittels dessen das Material entlang der Materialbewegungsrichtung transportiert wird. Insbesondere werden die Abschnitte mittels der Mitnehmer der zweiten Schlitten von der Bahn entfernt und zu einer weiteren Maschine befördert, die die Abschnitte weiterverarbeitet, zum Beispiel falzt. Hierbei können die Abschnitte beispielsweise an einen weiteren Mitnehmer übergeben werden, oder besonders bevorzugt werden die Abschnitte zumindest teilweise bearbeitet, während diese in Kontakt mit jenen Mitnehmern stehen.The apparatus, in the course of processing, at least for separating individual sections from a path of a limp material moving along a material movement direction, is suitably used for the production of newspapers within a printing shop. Parallel to the material movement direction both a stator of a first and a second double slide linear motor are arranged. On each of the two stators are movably mounted a first and a second carriage, each of the carriages comprising a rotor. The rotor cooperates with the stator such that the carriage can be moved along the stator. For example, the stator has a number of permanent magnets and the rotor has a coil which interacts with the magnets of the stator when the current is applied in a suitable manner. However, it would also be conceivable that the rotor is designed as a permanent magnet and the stator comprises a number of coils, or both the rotor has an electromagnet and the stator has a number of electromagnets. Each carriage has a driver, by means of which the material is transported along the material movement direction. In particular, the sections are removed from the web by means of the drivers of the second carriages and conveyed to another machine, which processes the sections, for example folds. In this case, the sections can be transferred, for example, to another driver, or more preferably, the sections are at least partially processed while they are in contact with those drivers.

Vorteilhafterweise weisen die jeweiligen ersten Schlitten ein Schneidewerkzeug auf. Mittels dieser Schneidewerkzeuge werden die Abschnitte von der Bahn getrennt. In einer zweckmäßigen Ausführungsform der Erfindung weist jeder der Schlitten einen Schwenkmotor auf, der in Wirkverbindung zu dem jeweiligen Mitnehmer des Schlittens steht. Der Schwenkmotor ist insbesondere als ein 90°-Schwenkantrieb ausgeführt. Mittels des Schwenkmotors ist es ermöglicht, den Mitnehmer auf die Bahn zu schwenken.Advantageously, the respective first carriages have a cutting tool. By means of these cutting tools, the sections are separated from the web. In an expedient embodiment of the invention, each of the carriages has a pivoting motor, which is operatively connected to the respective carrier of the carriage. The swivel motor is designed in particular as a 90 ° swivel drive. By means of the swivel motor, it is possible to pivot the driver on the web.

Geeigneterweise weisen die Mitnehmer zueinander parallele und beidseitig der Bahn angeordnete Greiferleisten auf. Insbesondere werden die Greiferleisten mittels des Schwenkmotors aus einer zu der Materialbewegungsrichtung parallelen Lage in eine zu dieser senkrechten Lage geschwenkt und zusätzlich, beispielsweise mit dem gleichen Antrieb oder mittels eines weiteren Antriebs, gegeneinander bewegt. Auf diese Weise wird die Materialbahn zwischen den Greiferleisten jedes Mitnehmers sicher gehalten und kann somit gegriffen und gezogen werden. Mit einer zu dieser umgekehrten Bewegung werden die Mitnehmer von der Bahn gelöst.Suitably, the drivers on each other parallel and arranged on both sides of the web gripper bars. In particular, the gripper bars are pivoted by means of the pivot motor from a position parallel to the material movement direction in a position perpendicular to this position and in addition, for example, with the same drive or by means of another drive, against each other. In this way, the material web between the gripper bars of each driver is held securely and can thus be gripped and pulled. With a reverse to this movement, the drivers are released from the web.

Vorteilhafterweise ist der Läufer als ein Elektromagnet ausgebildet und weist somit eine Spule auf. Vorteilhafterweise ist der Läufer eisenlos und weist somit eine möglichst geringe Masse auf. Auf diese Weise ist es ermöglicht, dass der Schlitten vergleichsweise schnell beschleunigt und wieder abgebremst werden kann, so dass die Bearbeitung von vergleichsweise vielen Abschnitten hintereinander in kurzer Zeit erfolgen kann. Ferner kann die Geschwindigkeit, mit der die Bahn bewegt wird, erhöht werden im Vergleich zu einer Vorrichtung, bei der ein Läufer mit einem Eisenkern und daher mit einer großen Trägheit verwendet wird.Advantageously, the rotor is designed as an electromagnet and thus has a coil. Advantageously, the rotor is ironless and thus has the lowest possible mass. In this way, it is possible that the carriage can be accelerated and decelerated comparatively quickly, so that the processing of comparatively many sections in succession in can be done in a short time. Further, the speed with which the web is moved can be increased compared to a device in which a rotor is used with an iron core and therefore with a large inertia.

Die beiden Doppelschlittenlinearmotoren sind zweckmäßigerweise auf einander gegenüberliegenden Seiten der Bahn und insbesondere diametral zur Bahn angeordnet.The two Doppelschlittenlinearmotoren are advantageously arranged on opposite sides of the web and in particular diametrically to the web.

In einer zweckmäßigen Ausführungsform der Erfindung weist die Vorrichtung eine Steuereinheit auf. Die Steuereinheit ist insbesondere programm- und/oder schaltungstechnisch dazu eingerichtet, die einzelnen Schlitten der beiden Doppelschlittenlinearmotoren zu steuern. Hierzu umfasst die Steuereinheit beispielsweise einen Mikroprozessor. Die Schlitten und deren Mitnehmer werden mit der Steuereinheit aufeinander derart synchronisiert, dass mittels der Vorrichtung das obige Verfahren durchgeführt wird. Ferner werden die Schlitten aufeinander derart abgestimmt, dass diese während des Betriebs nicht kollidieren.In an expedient embodiment of the invention, the device has a control unit. In particular, the control unit is configured programmatically and / or circuitically to control the individual carriages of the two double slide linear motors. For this purpose, the control unit comprises, for example, a microprocessor. The carriages and their entrainment members are synchronized with one another in such a way with the control unit that the above method is carried out by means of the apparatus. Further, the carriages are tuned to each other so that they do not collide during operation.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher erläutert. Darin zeigen:

Fig. 1a-1c
schematisch das Verfahren zur Herstellung einzelner Abschnitte aus einer Bahn mittels einer erfindungsgemäßen Vorrichtung mit einer ersten Anordnung zweier Doppelschlittenlinearmotoren,
Fig. 2
schematisch die Vorrichtung zur Herstellung einzelner Bahnabschnitte mit einer zweiten Anordnung der beiden Doppeischlittenlinearmotoren, und
Fig. 3a - 3b
schematisch die Vorrichtung in einer Seitenansicht.
An embodiment of the invention will be explained in more detail with reference to a drawing. Show:
Fig. 1a-1c
1 schematically shows the method for producing individual sections from a web by means of a device according to the invention with a first arrangement of two double-slide linear motors,
Fig. 2
schematically the apparatus for producing individual web sections with a second arrangement of the two Doppeischlittlinearmotoren, and
Fig. 3a - 3b
schematically the device in a side view.

Einander entsprechende Teile sind in beiden Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided in both figures with the same reference numerals.

In Fig. 1a bis 1c ist schematisch in einem zeitlichen Verlauf eine Vorrichtung 2 gezeigt, die einen ersten Doppelschlittenlinearmotor 4 mit einem Stator 6 und einen zweiten Doppelschlittenlinearmotor 8 mit einem Stator 10 umfasst, wobei die beiden Statoren 6, 10 parallel zueinander und zu einer geradlinigen Materialbewegungsrichtung 12 angeordnet sind.In Fig. 1a to 1c is shown schematically in a time course, a device 2, a first double slide linear motor 4 with a stator 6 and a second double carriage linear motor 8 with a stator 10, wherein the two stators 6, 10 are arranged parallel to each other and to a straight material movement direction 12.

Der erste Doppelschlittenlinearmotor 4 und der zweite Doppelschlittenlinearmotor 8 weisen in Materialbewegungsrichtung 12 einen ersten Schlitten 14 bzw. 16 und einen zweiten Schlitten 18 bzw. 20 auf, die jeweils relativ zu dem zugeordneten Stator 6 bzw. 10 bewegbar sind. Jeder der Schlitten 14, 16, 18, 20 weist einen Mitnehmer 22 auf. Die Schlitten 14, 16, 18, 20 werden mittels einer Steuereinheit 24 gesteuert, welche über Versorgungs-/Datenleitungen 26 mit den beiden Doppeischlittenlinearmotoren 4, 8 verbunden ist.The first double-slide linear motor 4 and the second double-slide linear motor 8 have, in the material movement direction 12, a first slide 14 and 16 and a second slide 18 and 20, respectively, which are movable relative to the associated stator 6 and 10, respectively. Each of the carriages 14, 16, 18, 20 has a driver 22. The slides 14, 16, 18, 20 are controlled by means of a control unit 24, which is connected via supply / data lines 26 with the two Doppeischlittlinearmotoren 4, 8.

Die beiden Doppelschlittenlinearmotoren 4, 8 sind diametral zu einer Bahn 28 angeordnet, die aus einem biegeschlaffen Material 30 besteht, und die zwischen den beiden Doppeischlittenlinearmotoren 4, 8 entlang der Materialbewegungsrichtung 12 bewegt wird. Hierfür wird die Bahn 28 beispielsweise mittels nicht dargestellten Walzen in Bewegung versetzt und von einer Materialrolle 32 abgewickelt. Das Material 30 ist Papier und die Vorrichtung 2 ist Bestandteil einer sogenannten Rollenoffsetdruckmaschine, mittels derer Zeitungen hergestellt werden. Beispielsweise befinden sich zwischen der Rolle 32 und der Vorrichtung 2 Maschinen, mittels derer Farbe auf die Bahn 28 aufgebracht wird.The two double slide linear motors 4, 8 are arranged diametrically to a web 28 consisting of a pliable material 30 and which is moved between the two double slide linear motors 4, 8 along the material movement direction 12. For this purpose, the web 28 is set, for example, by means of rollers, not shown, in motion and unwound from a roll of material 32. The material 30 is paper and the device 2 is part of a so-called web offset printing press, by means of which newspapers are produced. For example, between the roller 32 and the device 2 are machines by means of which paint is applied to the web 28.

In einem ersten Schritt greift der Mitnehmer 22 des ersten Schlittens 14 des ersten Doppelschlittenlinearmotors 4 die Bahn 28. Der Kontakt zwischen dem Mitnehmer 22 und der Bahn 28 befindet sich hierbei im Wesentlichen an der in Materialbewegungsrichtung 12 vorderen Kante der Bahn 28 (Fig. 1a). Mit dem Mitnehmer 22 wird ein Bereich 34 der Bahn 28 in Materialbewegungsrichtung 12 gezogen. Der Bereich 34 weist eine Länge 36 auf, die genauso groß ist, wie eine Länge 38 eines mittels der Vorrichtung 2 zu erstellenden Abschnittes 40.In a first step, the carrier 22 of the first carriage 14 of the first double-slide linear motor 4 grips the web 28. The contact between the driver 22 and the web 28 is located substantially at the front edge of the web 28 in the material movement direction 12 (FIG. Fig. 1a ). With the driver 22, a region 34 of the web 28 is pulled in the material movement direction 12. The region 34 has a length 36 which is the same size as a length 38 of a section 40 to be created by means of the device 2.

Der Bereich 34 wird an den Mitnehmer 22 des zweiten Schlittens 20 des zweiten Doppelschlittenlinearmotors 8 übergeben. Hierfür wird der zweite Schlitten 20 in eine Position verfahren, die im Wesentlichen einer spiegelbildlichen Position des ersten Schlittens 14 des ersten Doppelschlittenlinearmotors 4 entspricht. Sobald diese Position erreicht ist, wird der zweite Schlitten 20 mit der Geschwindigkeit des ersten Schlittens 14 in dessen Bewegungsrichtung bewegt, die der Materialbewegungsrichtung 12 entspricht. Während sich der zweiten Schlitten 20 folglich im Wesentlichen parallel zu dem ersten Schlitten 14 fortbewegt, wird die Bahn 28 an diesen übergeben. Dabei greift der Mitnehmer 22 des zweiten Schlittens 20 die Bahn 28 in der Nähe derjenigen Stelle, an der die Bahn 28 mittels des Mitnehmers 22 des ersten Schlittens 14 gezogen wurde. Nachdem der Mitnehmer 22 des zweiten Schlittens 20 die Bahn 28 gegriffen hat, wird sowohl der Mitnehmer 22 des ersten Schlittens 14 von der Bahn gelöst als auch die Bahn 28 mittels des Mitnehmers 22 des zweiten Schlittens 20 weiter in Materialbewegungsrichtung 12 gezogen. Auf diese Weise wird eine ungewollte Belastung der Bahn 28 vermieden, welche zum Beispiel zu einem Faltenwerfen der Bahn 28 oder einem Reißen derselben führen könnte.The region 34 is transferred to the driver 22 of the second carriage 20 of the second double slide linear motor 8. For this purpose, the second carriage 20 is moved to a position substantially a mirror image position of the first carriage 14 of the first double slide linear motor 4 corresponds. Once this position is reached, the second carriage 20 is moved at the speed of the first carriage 14 in its direction of movement, which corresponds to the material movement direction 12. As the second carriage 20 thus travels substantially parallel to the first carriage 14, the web 28 is transferred thereto. In this case, the driver 22 of the second carriage 20 engages the web 28 in the vicinity of the point at which the web 28 has been pulled by means of the driver 22 of the first carriage 14. After the driver 22 of the second carriage 20 has gripped the web 28, both the driver 22 of the first carriage 14 is released from the web and the web 28 further pulled in the material movement direction 12 by means of the driver 22 of the second carriage 20. In this way, unwanted loading of the web 28 is avoided, which could, for example, lead to a wrinkling of the web 28 or tearing thereof.

Nach der Übergabe der Bahn 28 an den zweiten Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 greift der Mitnehmer 22 des ersten Schlittens 16 des zweiten Doppelschlittenlinearmotors 8 die Bahn 28. Das Greifen der Bahn 28 erfolgt hierbei im Wesentlichen in einem Abstand zu der Vorderkante der Bahn 28, die dem Abstand der Greifstelle des ersten Schlittens 14 des ersten Doppelschlittenlinearmotors 4 von der Vorderkante zuzüglich der Länge 36 des Bereichs 34 entspricht. Mit anderen Worten greift der erste Schlitten 16 des zweiten Doppelschlittenlinearmotors 8 die Bahn in einem der Länge 36 des Bereichs 34 betragenden Abstand hinter dem ersten Schlitten 16 des ersten Doppelschlittenlinearmotors 4.After the transfer of the web 28 to the second carriage 20 of the second double carriage linear motor 8, the driver 22 of the first carriage 16 of the second double slide linear motor 8 engages the web 28. The gripping of the web 28 is substantially at a distance from the leading edge of the web 28, which corresponds to the distance of the gripping point of the first carriage 14 of the first double slide linear motor 4 from the front edge plus the length 36 of the region 34. In other words, the first carriage 16 of the second double carriage linear motor 8 engages the track in a distance 36 of the region 34 behind the first carriage 16 of the first double slide linear motor 4.

Der erste Schlitten 16 wird zumindest nach dem Greifen der Bahn 28 mit der Geschwindigkeit des zweiten Schlittens 20 des zweiten Doppelschlittenlinearmotors 8 bewegt, so dass der Abstand zwischen dem ersten Schlitten 16 und dem zweiten Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 jeweils konstant bleibt und in etwa der Länge 36 des Bereichs 34 entspricht. Das Greifen der Bahn 28 mittels des ersten Schlittens 16 des zweiten Doppelschlittenlinearmotors 8 könnte jedoch auch zeitlich vor der Übergabe der Bahn von dem ersten Schlitten 14 des ersten Doppelschlittenlinearmotors 4 an den zweiten Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 oder zeitgleich zu der Übergabe erfolgen (Fig. 1 b).The first carriage 16 is moved at least after grasping the web 28 at the speed of the second carriage 20 of the second double carriage linear motor 8, so that the distance between the first carriage 16 and the second carriage 20 of the second double carriage linear motor 8 remains constant and approximately the same Length 36 of area 34 corresponds. However, the gripping of the web 28 by means of the first carriage 16 of the second double slide linear motor 8 could also be timed before the transfer of the web from the first carriage 14 of the first Doppelschlittenlinearmotors 4 to the second carriage 20 of the second double slide linear motor 8 or at the same time to the transfer take place ( Fig. 1 b) ,

Nachdem die Bahn 28 von dem Mitnehmer 22 des ersten Schlittens 16 des zweiten Doppelschlittenlinearmotors 8 gegriffen wurde, wird der Bereich 34 mittels eines Schneidwerkzeugs 42 des ersten Schlittens 16 von der Bahn 28 getrennt und auf diese Weise der Abschnitt 40 erstellt. Das Trennen erfolgt hierbei an einer Stelle, deren Abstand zu der Vorderkannte der Bahn 28 der Länge 36 des Bereichs 34 entspricht. Nach der Trennung wird der Abschnitt 40 von dem zweiten Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 abtransportiert. Hierfür wird der zweite Schlitten 20 beschleunigt, so dass dessen Geschwindigkeit größer als die Geschwindigkeit ist, mit der die Bahn 28 fortbewegt wird. Der Abstand des ersten Schlittens 16 und des zweiten Schlittens 20 wird somit vergrößert. Der Abschnitt 40 wird in herkömmlicherweise Art und Weise weiterverarbeitet, wie zum Beispiel gefalzt und sortiert (Fig. 1 c).After the web 28 has been gripped by the driver 22 of the first carriage 16 of the second double slide linear motor 8, the region 34 is separated from the web 28 by means of a cutting tool 42 of the first carriage 16, thus creating the portion 40. The separation takes place here at a location whose distance from the front edge of the web 28 corresponds to the length 36 of the region 34. After separation, the portion 40 is transported away from the second carriage 20 of the second double slide linear motor 8. For this purpose, the second carriage 20 is accelerated so that its speed is greater than the speed at which the web 28 is moved. The distance between the first carriage 16 and the second carriage 20 is thus increased. The section 40 is processed in a conventional manner, such as folded and sorted ( Fig. 1 c) ,

Der erste Schlitten 16 des zweiten Doppelschlittenlinearmotors 8 wird weiterhin mit der Geschwindigkeit der Bahn 28 in die Materialbewegungsrichtung 12 bewegt und somit ein weiterer Bereich 34 entlang der Materialbewegungsrichtung 12 gezogen. Die Bahn 28 wird an den zweiten Schlitten 18 des ersten Doppelschlittenlinearmotors 4 übergeben und der weitere Bereich 34 wird von der Bahn 28 getrennt und abtransportiert, nachdem der erste Schlitten 14 des ersten Doppelschlittenlinearmotors 4 die Bahn hinter dem Bereich 34 gegriffen hat. Die Länge 38 zweier zeitlich hintereinander erstellter Abschnitte 40 kann hierbei variieren. Beispielsweise ist ein die Länge 38 eines direkt im Anschluss an die Erstellung eines ersten Abschnitts 40 erstellten zweiten Abschnitt 40 halb so groß wie diejenige des ersten Abschnitts 40. Zu beachten ist lediglich, dass die Länge 36 der Bereiche 34 mit der Länge 38 der Abschnitte 40 übereinstimmt. Das Verfahren wird solange widerholt, bis die gewünschte Anzahl von Abschnitten 40 von der Bahn 28 getrennt worden ist. Geeigneterweise ist während der Herstellung der Abschnitte 40 die Geschwindigkeit der Bahn 28 konstant und beträgt beispielsweise zwischen 20 m/s und 30 m/s.The first carriage 16 of the second Doppelschlittenlinearmotors 8 is further moved at the speed of the web 28 in the material movement direction 12 and thus a further region 34 along the material movement direction 12 pulled. The web 28 is transferred to the second carriage 18 of the first double slide linear motor 4 and the further region 34 is separated from the web 28 and transported away after the first carriage 14 of the first double slide linear motor 4 has grasped the web behind the region 34. The length 38 of two temporally successive sections 40 can vary here. For example, a second portion 40 made the length 38 of a second portion 40 created directly following the creation of a first portion 40 is half that of the first portion 40. It should only be noted that the length 36 of the portions 34 having the length 38 of the portions 40 matches. The process is repeated until the desired number of sections 40 have been separated from the web 28. Suitably, during the manufacture of the sections 40, the speed of the web 28 is constant, for example between 20 m / s and 30 m / s.

Die von der Bahn 28 getrennten Abschnitte 40 werden in hier nicht näher dargestellter Art und Weise abtransportiert und beispielsweise gemäß der eingangs genannten WO 2010/142691 A2 , wie in den Absätzen [0039] bis einschließlich [0041] und in dem Absatz [0044] beschrieben, mittels einer Einrichtung zum Falzen und Ablegen weiterbearbeitet. Anstelle des bekannten Walzenpaares können zum Transport der Abschnitte 40 zur Falz- bzw. Ablegeeinrichtung und somit zur weiteren Bearbeitung ebenfalls Linearantriebe, insbesondere in Fortführung der Doppelschlittenlinearantriebe 4, 8, eingesetzt werden.The separated from the web 28 sections 40 are transported away in a manner not shown here and, for example, according to the aforementioned WO 2010/142691 A2 as further described in paragraphs [0039] through [0041] and paragraph [0044], by means of a folding and dropping device. Instead of the known pair of rollers, linear drives, in particular in continuation of the double-slide linear drives 4, 8, can also be used for transporting the sections 40 to the folding or laying device and thus for further processing.

Fig. 2 zeigt in einer Schnittdarstellung die Vorrichtung 2 in einer Ansicht, in der die Anordnung der Doppelschlittenlinearmotor 4 und 8 gegenüber der Anordnung nach den Fig. 1a bis 1c um 90° gedreht und rechtwinklig zur Materialbewegungsrichtung 12 orientiert ist. Auf gegenüberliegenden Seiten der Bahn 28 aus biegeschlaffem Material 30 befinden sich der erste Doppelschlittenlinearmotor 4 und der zweiten Doppelschlittenlinearmotor 8. In den U-förmigen Stator 6 des ersten Doppelschlittenlinearmotors 4 greift ein Läufer 44 des ersten Schlittens 14 ein. Der Läufer 44 umfasst eine bevorzugt eisenlose Spule, die bei einer geeigneten Bestromung mit Permanentmagneten wechselwirkt, die der Stator 6 aufweist. Auf dem Läufer 44 befindet sich eine Plattform 46, auf der eine Anzahl von Schwenkmotoren 48, in der Figur vier Schwenkmotoren 48, angebracht ist. Der Schwenkmotor 48 ist ein sogenannter 90°-Schwenkantrieb. Fig. 2 shows in a sectional view of the device 2 in a view in which the arrangement of the double slide linear motor 4 and 8 with respect to the arrangement of the Fig. 1a to 1c rotated by 90 ° and oriented at right angles to the material movement direction 12. On opposite sides of the web 28 of pliable material 30 are the first double slide linear motor 4 and the second double slide linear motor 8. In the U-shaped stator 6 of the first double slide linear motor 4 engages a rotor 44 of the first carriage 14 a. The rotor 44 comprises a preferably ironless coil, which interacts with a suitable current supply with permanent magnets, which has the stator 6. On the rotor 44 is a platform 46, on which a number of pivot motors 48, in the figure four pivot motors 48, is mounted. The swivel motor 48 is a so-called 90 ° swivel drive.

Mittels zweier der Schwenkmotoren 48 werden Greiferleisten 50 des Mitnehmers 22 um eine Rotationsachse, die normal zur Materialbahn 28 verläuft, geschwenkt und entlang einer Arbeitsrichtung 52 transversal verbracht. Der Mitnehmer 22 des ersten Schlittens 14 umfasst zwei Greifedeisten 50, die auf gegenüberliegenden Seiten der Bahn 28 angeordnet sind, und deren Länge größer als die Breite der Bahn 28 ist, so dass die Greiferleisten 50 diese im Wesentlichen übergreifen. Werden die Greiferleisten 50 in Arbeitsrichtung 52 auf einander und die Bahn 28 zu bewegt, ist es möglich, diese mittels der Greiferleisten 50 zu fixieren und somit entlang der Materialbewegungsrichtung 12 zu ziehen. Bei einer zu dieser umgekehrt verlaufenden Bewegung kann die Bahn 28 erneut freigegeben werden.By means of two of the pivot motors 48 are gripper bars 50 of the driver 22 about an axis of rotation which is normal to the material web 28, pivoted and spent along a working direction 52 transversely. The driver 22 of the first carriage 14 includes two gripping decks 50 which are disposed on opposite sides of the web 28 and whose length is greater than the width of the web 28 so that the gripper bars 50 substantially overlap them. If the gripper bars 50 are moved toward one another and the web 28 in the working direction 52, it is possible to fix them by means of the gripper bars 50 and thus to pull them along the material movement direction 12. In a reverse to this movement, the web 28 can be released again.

An den zwei weiteren der Schwenkmotoren 48 ist das Schneidwerkzeug 42 angebunden. Das Schneidwerkzeug 42 umfasst zwei Klingen 54, welche, vergleichbar mit den Greifleisten 50, mittels der Schwenkmotoren 48 geschwenkt und bewegt werden. Mittels einer Bewegung der Klingen 54 entlang der Arbeitsrichtung 52 aufeinander zu, ist es ermöglicht, die Bahn 28 zu durchtrennen.At the two other of the pivot motors 48, the cutting tool 42 is connected. The cutting tool 42 comprises two blades 54, which, similar to the gripping bars 50, are pivoted and moved by means of the pivoting motors 48. By means of a movement of the blades 54 along the working direction 52 towards each other, it is possible to sever the web 28.

Der zweite Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 ist im Wesentlichen gleich aufgebaut, wie der erste Schlitten 14 des ersten Doppelschlittenlinearmotors 6, jedoch weist der zweite Schlitten 20 lediglich zwei Schwenkmotoren 48 auf, mit denen zwei Greiferleisten 50 wirkverbunden sind. Die Greiferleisten 50 des zweiten Schlittens 20 stehen im Kontakt zu der Bahn 28, wohingegen die Greiferleisten 50 des ersten Schlittens 14 mittels dessen Schwenkmotoren 48 von dieser wegbewegt sind. Weiterhin weist der zweite Schlitten 20 kein Schneidwerkzeug 42 auf, weswegen dessen Plattform 46 kleiner dimensioniert werden kann.The second carriage 20 of the second double slide linear motor 8 is constructed substantially the same as the first slide 14 of the first double slide linear motor 6, however, the second carriage 20 has only two pivot motors 48, with which two gripper bars 50 are operatively connected. The gripper bars 50 of the second carriage 20 are in contact with the web 28, whereas the gripper bars 50 of the first carriage 14 are moved away therefrom by means of the swivel motors 48 thereof. Furthermore, the second carriage 20 no cutting tool 42, so its platform 46 can be made smaller.

Der erste Schlitten 16 des zweiten Doppelschlittenlinearmotors 8 sowie der zweite Schlitten 18 des ersten Doppelschlittenlinearmotors 4 sind gleich aufgebaut wie der erste Schlitten 14 des ersten Doppelschlittenlinearmotors 4 bzw. der zweite Schlitten 20 des zweiten Doppelschlittenlinearmotors 8.The first carriage 16 of the second double slide linear motor 8 and the second slide 18 of the first double slide linear motor 4 have the same structure as the first slide 14 of the first double slide linear motor 4 and the second slide 20 of the second double slide linear motor 8.

In den Figuren 3a und 3b ist die Vorrichtung 2 ausschnittsweise schematisch in einer Seitenansicht dargestellt. In jeder der Figuren ist der erste Schlitten 14 des ersten Doppelschlittenlinearmotors 4 und der zweite Schlitten 20 des zweiten Doppelschlittenlinearmotors 8 gezeigt, wobei in Fig. 3b die Mitnehmer 22 der Schlitten 14, 20 und das Schneidwerkzeug 42 des ersten Schlittens mittels der Schwenkmotoren 48 in eine Lage verbracht sind, die in einem rechten Winkel zu der Materialbewegungsrichtung 12 verläuft. Dahingegen sind die Mitnehmer 22 und das Schneidwerkzeug 42 in Fig. 3a jeweils im Wesentlichen parallel zu der Materialbewegungsrichtung 12 angeordnet. Die Greiferleisten 50 werden mittels der Schwenkmotoren 48 entgegen der Materialbewegungsrichtung 12 geschwenkt, die Klingen 54 in Richtung der Materialbewegungsrichtung 12.In the FIGS. 3a and 3b the device 2 is partially shown schematically in a side view. In each of the figures, the first carriage 14 of the first double carriage linear motor 4 and the second carriage 20 of the second double carriage linear motor 8 are shown, wherein Fig. 3b the drivers 22 of the carriages 14, 20 and the cutting tool 42 of the first carriage are brought by means of the pivot motors 48 into a position which runs at a right angle to the material movement direction 12. In contrast, the drivers 22 and the cutting tool 42 are in Fig. 3a each arranged substantially parallel to the material movement direction 12. The gripper bars 50 are pivoted by means of the pivot motors 48 counter to the material movement direction 12, the blades 54 in the direction of material movement direction 12th

Die Erfindung betrifft somit ein Verfahren und eine Vorrichtung 2 zum Bearbeiten einer entlang einer Materialbewegungsrichtung 12 bewegten Bahn 28 eines biegeschlaffen Materials 30, bei dem aus der Materialbahn 28 einzelne Abschnitte 40 mittels eines ersten Doppelschlittenlinearmotors 4 und eines zweiten Doppelschlittenlinearmotors 8 herstellt werden, die parallel zur Materialbewegungsrichtung 12 angeordneten sind, und die jeweils einen in Materialbewegungsrichtung 12 ersten Schlitten 14, 16 und einen zweiten Schlitten 18, 20 mit jeweils einem Mitnehmer 22 aufweisen.The invention thus relates to a method and a device 2 for processing a web 28 of a pliable material 30 moving along a material movement direction 12, in which individual sections 40 are produced from the material web 28 by means of a first double-slide linear motor 4 and a second double-slide linear motor 8 which are parallel to the web Material movement direction 12 are arranged, and each having a first in the material movement direction 12 carriages 14, 16 and a second carriage 18, 20 each having a driver 22.

Geeigneterweise werden mit der Steuereinheit 24 sowohl die Bewegungen, d. h. die Positionen, die Geschwindigkeiten und die Beschleunigungen der Schlitten 14, 16, 18, 20 sowie diejenigen der Mitnehmer 22 als auch die Schneid- und Greifwerkzeuge 50, 54 sowie die Schwenkmotoren 48 gesteuert und gegebenen- bzw. erforderlichenfalls aufeinander synchronisiert.Suitably, with the control unit 24 both the movements, i. H. the positions, the speeds and the accelerations of the carriages 14, 16, 18, 20 as well as those of the drivers 22 and the cutting and gripping tools 50, 54 and the pivot motors 48 are controlled and, if necessary, synchronized with one another.

Die Erfindung ist nicht auf die vorstehend beschriebenen Ausführungsbeispiele beschränkt. Vielmehr können auch andere Varianten der Erfindung vom Fachmann hieraus abgeleitet werden, ohne den Gegenstand der Erfindung zu verlassen. Insbesondere sind ferner alle im Zusammenhang mit den verschiedenen Ausführungsbeispielen beschriebenen Einzelmerkmale auch auf andere Weise miteinander kombinierbar, ohne den Gegenstand der Erfindung zu verlassen.The invention is not limited to the embodiments described above. On the contrary, other variants of the invention can be derived therefrom by the person skilled in the art without departing from the subject matter of the invention. In particular, furthermore, all individual features described in connection with the various exemplary embodiments can also be combined with one another in other ways, without departing from the subject matter of the invention.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Vorrichtungcontraption
44
erster Doppelschlittenlinearmotorfirst double slide linear motor
66
Statorstator
88th
zweiter Doppelschlittenlinearmotorsecond double slide linear motor
1010
Statorstator
1212
MaterialbewegungsrichtungMaterial movement direction
1414
erster Schlitten des ersten Doppelschlittenlinearmotorsfirst slide of the first double slide linear motor
1616
erster Schlitten des zweiten Doppelschlittenlinearmotorsfirst carriage of the second double slide linear motor
1818
zweiter Schlitten des ersten Doppelschlittenlinearmotorssecond slide of the first double slide linear motor
2020
zweiter Schlitten des zweiten Doppelschlittenlinearmotorssecond carriage of the second double slide linear motor
2222
Mitnehmertakeaway
2424
Steuereinheitcontrol unit
2626
Versorgungs- / DatenleitungenSupply / data lines
2828
Bahntrain
3030
Materialmaterial
3232
Materialrollematerial roll
3434
BereichArea
3636
Längelength
3838
Längelength
4040
Abschnittsection
4242
Schneidwerkzeugcutting tool
4444
Läuferrunner
4646
Plattformplatform
4848
Schwenkmotorswing motor
5050
Greiferleistegripper bar
5252
Arbeitsrichtungworking direction
5454
Klingeblade

Claims (11)

Verfahren zum Bearbeiten einer entlang einer Materialbewegungsrichtung (12) bewegten Bahn (28) eines biegeschlaffen Materials (30) bei dem aus der Materialbahn (28) einzelne Abschnitte (40) mittels eines ersten Doppelschlittenlinearmotors (4) und eines zweiten Doppelschlittenlineannotors (8), die parallel zur Materialbewegungsrichtung (12) angeordnet sind und jeweils einen in Materialbewegungsrichtung (12) ersten Schlitten (14, 16) und einen zweiten Schlitten (18, 20) mit jeweils einem Mitnehmer (22) aufweisen, hergestellt werden, - wobei mittels des Mitnehmers (22) des ersten Schlittens (14) des ersten Doppelschlittenlinearmotors (4) ein der Länge des Abschnitts (40) entsprechender Bereich (34) der Bahn (28) entlang der Materialbewegungsrichtung (12) gezogen wird, - wobei der Bereich (34) an den Mitnehmer (22) des zweiten Schlittens (20) des zweiten Doppelschlittenlinearmotors (8) übergeben wird, - wobei der Bereich (34) mittels eines Schneidwerkzeugs (42), insbesondere mittels des ersten Schlittens (16) des zweiten Doppelschlittenlinearmotors (8), von der Materialbahn (28) getrennt wird, - wobei der abgetrennte Bereich (34) mittels des Mitnehmers (22) des zweiten Schlittens (20) des zweiten Doppelschlittenlinearmotors (8) abtransportiert wird, und - wobei zeitlich vor dem Trennen des Bereichs (34) von der Materialbahn (28) diese in Bewegungsrichtung (12) hinter dem Bereich (34) mittels des Mitnehmers (22) des ersten Schlittens (18) des zweiten Doppelschlittenlinearmotors (8) gegriffen wird. Method for processing a web (28) of a pliable material (30) moving along a material movement direction (12) in which individual sections (40) from the material web (28) are produced by means of a first double-slide linear motor (4) and a second double-slide linear motor (8) are arranged parallel to the direction of material movement (12) and each have a first slide (14, 16) in the material movement direction (12) and a second slide (18, 20) each with a driver (22) are produced, - wherein by means of the driver (22) of the first carriage (14) of the first double slide linear motor (4) a portion of the length (40) corresponding portion (34) of the web (28) along the material movement direction (12) is pulled, - wherein the region (34) is transferred to the driver (22) of the second carriage (20) of the second double slide linear motor (8), - wherein the region (34) by means of a cutting tool (42), in particular by means of the first carriage (16) of the second double slide linear motor (8), is separated from the material web (28), - Wherein the separated area (34) by means of the driver (22) of the second carriage (20) of the second double slide linear motor (8) is removed, and - Wherein before separation of the region (34) of the material web (28) in the direction of movement (12) behind the region (34) by means of the driver (22) of the first carriage (18) of the second Doppelschlittenlinearmotors (8) is gripped. Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass das Schneidewerkzeug (42) von dem ersten Schlitten (16, 18) des zweiten bzw. ersten Doppelschlittenlinearmotors (8, 4) mitgeführt wird, und die Trennung des Bereiches (34) von der Materialbahn (28) in Bewegungsrichtung (12) vor dem Mitnehmer (22) des ersten Schlittens (16, 18) des zweiten bzw. ersten Doppelschlittenlinearmotors (8, 4) erfolgt.Method according to claim 1,
characterized,
in that the cutting tool (42) is carried along by the first carriage (16, 18) of the second or first double slide linear motor (8, 4), and the separation of the region (34) from the material web (28) in the direction of movement (12) before Carrier (22) of the first carriage (16, 18) of the second or first Doppelschlittenlinearmotors (8, 4) takes place. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass die Mitnehmer (22) auf die Materialbahn (28) geschwenkt werden.Method according to claim 1 or 2,
characterized,
in that the drivers (22) are pivoted onto the material web (28). Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass der abgetrennte Bereich (34) zur weiteren Bearbeitung, insbesondere zu einer Falzeinrichtung, transportiert wird.Method according to one of claims 1 to 3,
characterized,
that the separated area (34) is transported for further processing, in particular to a folding device. Vorrichtung (2) zum Bearbeiten einer entlang einer Materialbewegungsrichtung (12) bewegten Bahn (28) eines biegeschlaffen Materials (30), insbesondere zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 4, mit einem ersten Doppelschlittenlinearmotor (4) und einem zweiten Doppelschlittenlinearmotor (8), die parallel zur Materialbewegungsrichtung (12) angeordneten sind, und die jeweils einen in Materialbewegungsrichtung (12) ersten Schlitten (14, 16) zum Abtrennen einzelner Abschnitte (40) von der Materialbahn (28) und einen zweiten Schlitten (18, 20) zum Transport des Materials (30) entlang der Materialbewegungsrichtung (12) aufweisen.Device (2) for processing a web (28) of a limp material (30) moving along a material movement direction (12), in particular for carrying out the method according to one of claims 1 to 4, with a first double slide linear motor (4) and a second double slide linear motor ( 8) which are arranged parallel to the direction of material movement (12) and which each have a first carriage (14, 16) in the material movement direction (12) for separating individual sections (40) from the material web (28) and a second carriage (18, 20 ) for transporting the material (30) along the material movement direction (12). Vorrichtung (2) nach Anspruch 5,
dadurch gekennzeichnet,
dass die jeweiligen ersten Schlitten (14, 16) ein Schneidewerkzeug (42) zur Trennung der Abschnitte (40) von der Bahn (28) umfassen.Device (2) according to claim 5,
characterized,
that the respective first carriage (14, 16) include a cutting tool (42) for separating the sections (40) of the web (28). Vorrichtung (2) nach Anspruch 5 oder 6,
dadurch gekennzeichnet,
dass die jeweiligen zweiten Schlitten (18, 20) einem Mitnehmer (22) zum Transport des Materials (30) entlang der Materialbewegungsrichtung (12) aufweisen.Device (2) according to claim 5 or 6,
characterized,
in that the respective second carriages (18, 20) have a driver (22) for transporting the material (30) along the material movement direction (12). Vorrichtung (2) nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet,
dass jedem Schlitten (14, 16, 18, 20) eine Schwenkmotor (48) zugeordnet ist, insbesondere zum Schwenken des Mitnehmers (22) auf die Materialbahn (28).Device (2) according to one of claims 5 to 7,
characterized,
in that each carriage (14, 16, 18, 20) is associated with a swivel motor (48), in particular for swiveling the driver (22) onto the material web (28). Vorrichtung (2) nach einem der Ansprüche 5 bis 8,
dadurch gekennzeichnet,
dass jeder Schlitten (14, 16, 18, 20) einen eisenlosen Läufer (44) aufweist.Device (2) according to one of claims 5 to 8,
characterized,
in that each carriage (14, 16, 18, 20) has an ironless rotor (44). Vorrichtung (2) nach einem der Ansprüche 5 bis 9,
dadurch gekennzeichnet,
dass der erste und der zweite Doppelschlittenlinearmotor (4, 8) diametral zur Bahn (28) angeordnet sind.Device (2) according to one of claims 5 to 9,
characterized,
in that the first and the second double slide linear motors (4, 8) are arranged diametrically to the web (28). Vorrichtung (2) nach einem der Ansprüche 5 bis 10 mit einer Steuereinheit (24), die dazu eingerichtet ist, das Verfahren gemäß einem der Ansprüche 1 bis 3 durchzuführen.Device (2) according to one of Claims 5 to 10, having a control unit (24) which is set up to carry out the method according to one of Claims 1 to 3.
EP20120005206 2011-08-12 2012-07-14 Method and device for processing a sheet of material Active EP2556931B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110110038 DE102011110038B3 (en) 2011-08-12 2011-08-12 Method and device for processing a material web

Publications (2)

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EP2556931A1 true EP2556931A1 (en) 2013-02-13
EP2556931B1 EP2556931B1 (en) 2015-04-22

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EP (1) EP2556931B1 (en)
CN (1) CN102950874B (en)
DE (1) DE102011110038B3 (en)

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JP4829364B1 (en) * 2010-05-25 2011-12-07 トタニ技研工業株式会社 Bag making machine
NZ736438A (en) * 2013-04-09 2019-06-28 Cryovac Llc Process and system of supplying film sheets to a packaging assembly of a packaging apparatus
CN112553871B (en) * 2020-12-26 2023-05-23 金华市迅达实业有限公司 Intelligent printing machine

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WO2010142691A2 (en) 2009-06-08 2010-12-16 Baumüller Nürnberg GmbH Variable folding system comprising linear drives, especially for printing machines

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JPH0637255B2 (en) * 1987-09-24 1994-05-18 株式会社共同精機工作所 Device for supplying cut material to cutting machine
JP2530889B2 (en) * 1988-07-18 1996-09-04 新東工業株式会社 Resin sheet cutting device
ATE219466T1 (en) * 1998-08-18 2002-07-15 Heidelberger Druckmasch Ag METHOD AND DEVICE FOR PERFORATION OF MATERIAL WEBS

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Publication number Priority date Publication date Assignee Title
WO2010142691A2 (en) 2009-06-08 2010-12-16 Baumüller Nürnberg GmbH Variable folding system comprising linear drives, especially for printing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106914940A (en) * 2017-03-27 2017-07-04 李海清 One kind is used for paper edge alignment device

Also Published As

Publication number Publication date
EP2556931B1 (en) 2015-04-22
US20130036883A1 (en) 2013-02-14
DE102011110038B3 (en) 2012-12-06
CN102950874B (en) 2016-11-23
CN102950874A (en) 2013-03-06
US9469042B2 (en) 2016-10-18

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