EP3416905B1 - Procédé et dispositif d'obtention d'une feuille séparée dans un dispositif d'impression - Google Patents

Procédé et dispositif d'obtention d'une feuille séparée dans un dispositif d'impression Download PDF

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Publication number
EP3416905B1
EP3416905B1 EP17706668.5A EP17706668A EP3416905B1 EP 3416905 B1 EP3416905 B1 EP 3416905B1 EP 17706668 A EP17706668 A EP 17706668A EP 3416905 B1 EP3416905 B1 EP 3416905B1
Authority
EP
European Patent Office
Prior art keywords
transport
sheet
devices
separation point
path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17706668.5A
Other languages
German (de)
English (en)
Other versions
EP3416905A1 (fr
Inventor
Klaus Gradischek
Maximilian Kirschbauer
Günter FRIEDMANN
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.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Publication of EP3416905A1 publication Critical patent/EP3416905A1/fr
Application granted granted Critical
Publication of EP3416905B1 publication Critical patent/EP3416905B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/04—Feeding articles separated from piles; Feeding articles to machines by movable tables or carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • 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
    • B65H2301/10—Selective handling processes
    • B65H2301/12—Selective handling processes of sheets or web
    • B65H2301/121—Selective handling processes of sheets or web for sheet handling processes, i.e. wherein the web is cut into sheets
    • 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
    • B65H2301/10—Selective handling processes
    • B65H2301/14—Selective handling processes of batches of material of different characteristics
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5151—Cutting handled material transversally to feeding direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/141—Roller pairs with particular shape of cross profile
    • B65H2404/1416—Roller pairs with particular shape of cross profile toothed or cylindrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras

Definitions

  • the invention relates to a method and a device for producing a separated sheet in a printing device.
  • the material When printing on a material in a printing device or a printing system, the material can be provided as a continuous material on a roll. Alternatively, individual sheets can be fed to the printing device one after the other in order to print the sheets individually.
  • a method for printing a sheet in a printing system in which the sheet is transported along an orbit by a transport element and is printed in a first pass by a printing device and dried by a dryer and is printed in a second pass by a further printing device .
  • a drum is provided as the transport element, the peripheral surface of which carries the sheet in order to guide it past several printing devices during printing, the sheet being printed on while the sheet is being moved past the printing devices on the drum.
  • a printing device in which a material to be printed is fed as a continuous material from a roll to a printing unit.
  • a cutting device is arranged downstream of the printing unit in order to separate the printed material.
  • a printing device can hold two rollers of material. The rolled-up material can in each case be fed from the rolls via a feed device to the printing unit.
  • A1 discloses an automatic film feeder for an automatic developer. Exposed films are developed using a developer tank. The films are introduced into trays which are arranged above an endless belt which feeds the films to the developer, the films being ejected from the trays onto the belt by film ejectors of the same number as the number of trays. A control device is provided which controls the ejectors in such a way that the films are ejected in the desired order and fed to the developer one after the other without overlapping one another.
  • the object of the invention is to provide a method and a device for producing a separated sheet in a printing device or a printing system, with which different printing jobs can be carried out efficiently.
  • a flexible adaptation to print jobs regarding different materials to be printed should be made possible.
  • a method of making a singular sheet in a printing device is provided.
  • various sheet materials are made available as continuous material in magazine devices, with the magazine devices on the output side being followed by a transport route to a material switch in which the transport routes converge.
  • Transport devices are provided which are each assigned to one of the transport routes and set up to transport the various sheet materials from the magazine device at least to the material switch, in the transport devices control signals are received which determine a material selection corresponding to a print job for a selected one of the sheet materials.
  • the transport devices are controlled in accordance with the control signals in such a way that the selected sheet material is transported to the material switch and in the material switch from the transport path to a feed path into which the transport paths open.
  • the selected sheet material is transported via the feed path from the material switch to a separating device by means of the transport devices.
  • a separated sheet for subsequent printing is produced by separating the separated sheet from the selected sheet material.
  • a device for producing a separated sheet for a printing device has magazine devices in which different sheet materials are each provided as an endless material. Transport routes are provided, each downstream of the magazine devices and leading to a material switch in which the transport routes converge. Transport devices are each assigned to one of the transport routes and set up to transport the various sheet materials from the magazine device at least to the material switch.
  • a control device is provided which is coupled at least to the transport devices and is set up to provide control signals in the transport devices which determine a material selection of a selected one of the sheet materials corresponding to a print job; to control the transport devices in accordance with the control signals such that the selected sheet material is transported to the material switch and in the material switch from the transport path into a feed path into which the transport paths open; and to transport the selected sheet material by means of the transport devices via the feed path from the material switch to a separating device.
  • the device also has a separating device, which is set up, a separated sheet for subsequent printing to produce by separating the separated sheet from the selected sheet material in the separating device.
  • the control signals with which the transport devices are controlled can be set up to block the transport of the non-selected sheet materials when the selected sheet material is guided to the material switch.
  • the transport devices can be used in addition to a feed for the selected sheet material in an intermediate step, for example for a non-selected sheet material.
  • the separating device can be set up to transfer the separated sheet produced in the printing device to a printing process.
  • the separated sheet can be placed on a support device that is used to feed the separated sheet to the printing process.
  • the support device can have a stamp on which the separated sheet is deposited.
  • the separation of the separated sheet from the selected sheet material can take place on the support device.
  • a mechanical cutting process and / or a laser cutting process can be used here.
  • the support device can be moved away from the material switch to a downstream section of the printing device.
  • the separating device can interact with a positioning device which is set up to position the selected sheet material and / or the separated sheet transported to the separating device in the separating device.
  • the positioning device can be equipped with an image recording device, with which image recordings of the selected sheet material introduced into the separating device and / or of the separated sheet are taken in order to check its relative position to markings on the support device and, if necessary, the position of the selected sheet material and / or adapt individual sheets, for example by moving the isolated sheet on the support surface.
  • the selected sheet material can be fixed, for example on the surface of the support device.
  • the sheet material can be sucked onto the surface using a vacuum.
  • the selected sheet material and / or the separated sheet can be fixed using a hold-down device.
  • the hold-down device can have rollers for which a contact pressure can be set. For example, the contact pressure can be reduced to enable the material to be positioned or repositioned.
  • the selected sheet material can be transported back from the feed path into the transport path assigned to the selected sheet material.
  • further control signals can be provided in the transport devices, which can be transferred to the transport devices together with the control signals or separately therefrom.
  • the various sheet materials can be passed through a cleaning device along the transport path.
  • the cleaning device the respective sheet material can be guided through a slot guide, so that the sheet materials can be cleaned on one or both sides on the surface.
  • the various sheet materials can be guided along the transport path via a material tensioning device.
  • the tension of the various sheet materials along the transport path during advance and / or return can be adjusted in order to provide, for example, favorable transport conditions for the transport of the sheet material along the transport path.
  • the sheet material in the material tensioning device can run over a tensioner, for example a roller, which can be displaced in a direction transverse to the transport path in the area of the tensioner and optionally resiliently mounted, in order to increase or decrease the material tension.
  • the various sheet materials can be guided along the transport path to reduce or avoid electrostatic charging via grounded transport elements which are included in the transport devices.
  • the various sheet materials can be transported along the transport path and the feed path to the separating device by means of pushing devices included in the transport devices.
  • One or more transport devices can be designed as roller thrust devices, for example using roller pairs in which the surfaces roll on one another, so that a forward and backward feed is provided for the sheet material.
  • Separately arranged feed devices can be operated synchronously when transporting the selected sheet material.
  • a coordinated thrust can be coordinated in the forward and / or in the reverse direction along the transport path. For example, this can prevent undesired material tensions up to tearing of the sheet material.
  • the synchronization of the separately arranged thrust devices also supports the exactness of the respectively specified transport routes for the sheet material along the transport route.
  • the pushing device downstream of the material switch can serve to introduce the selected sheet material into the separating device.
  • a thrust device upstream of the material switch and one of the material switches downstream can be operated synchronized.
  • a relative position with respect to an input of the material switch can be changed when controlling the transport devices in accordance with the control signals.
  • a front end of the selected sheet material which is to be transported to the separating device, can be the input of the material switch be arranged opposite each other.
  • the end of the sheet material selected for the respective print job can be arranged opposite the input of the material switch, corresponding to the print job, so that the selected sheet material can then be pushed into the material switch.
  • the introduction of the selected sheet material into the material switch can be carried out in the horizontal direction.
  • the respective sheet material can be shifted in the relative position to the input of the material switch in the different transport paths of roller pairs assigned to respective feed devices. It can be provided here to move the pairs of rollers on a curved path, in particular an arc.
  • the various sheet materials can each be transported along the transport path via an assigned transport channel into a feed channel of the feed path. Ends of the transport channels, which lie opposite the feed path, can be integrally formed on the feed channel.
  • the feed channel can provide a single channel for transporting the selected sheet material along the feed path.
  • the transport channels and / or the feed channel can have walls which are closed or perforated all round along the respective channel path.
  • guide elements extending in the longitudinal direction of the respective channel can be arranged on an inside of the respective channel wall, for example in the form of projections on which the sheet material can slide during transport through the respective channel.
  • a perforated wall can be formed with an arrangement of spaced bars that extend along the respective channel.
  • the various sheet materials can enter the feed channel of the feed path from an exposed section of the transport path.
  • the sheet materials are transported before they enter the feed channel, that is to say, for example, not surrounded by a transport channel which extends along the transport path. It can be provided here that an entire section of the transport path between one upstream of the feed channel Feed device and the input of the feed channel is exposed.
  • the following steps can be provided: receiving further control signals in the transport devices, the further control signals determining a material selection of another selected sheet material that is different from the selected sheet material and is assigned to another print job; Controlling the transport devices in accordance with the further control signals in such a way that the further selected sheet material is transported to the material switch and arrives in the material switch from the transport path into a feed path; Transporting the further selected sheet material via the feed path from the material switch to the separating device and producing a further separated sheet for subsequent printing by separating the further separated sheet in the separating device from the further selected sheet material.
  • print jobs can be carried out using different sheet materials that are provided in different magazine devices.
  • the sheet materials may differ in material.
  • sheet materials made of plastic film or paper can be used.
  • the different sheet materials differ in particular with regard to the respective material thickness.
  • the method and the device for producing a separated sheet can be used in connection with printing on a sheet for a security document.
  • the separated sheet can then be printed in order to use the printed sheet for the further production of a plastic card or a passport.
  • the technologies described here enable different print jobs for the Produce different printed sheets on different sheet materials flexibly.
  • the different sheet materials can be called up alternately and in any order from the magazine devices, separated and then printed.
  • Fig. 1 and 2nd show arrangements of functional elements or modules 1a of a printing device or a printing system 1 for printing individual sheets from a sheet material.
  • Fig. 1 shows an arrangement for feeding different sheet materials for the printing process.
  • Fig. 2 shows a schematic representation of the arrangement with functional elements or modules 1b for separating the sheets and for printing them.
  • the printing device 1 can in particular be set up to print sheets for a security document or a security element, for example sheets for the subsequent production of an ID card, a passport or another security document, be it for example in the form of a plastic card or a paper document.
  • sheets for different documents are printed in accordance with the successive print jobs, wherein the sheets can consist of different materials.
  • Print jobs of this type for different individual sheets can be processed one after the other flexibly and efficiently with the help of the printing device without time-consuming retooling.
  • a sequence of print jobs which alternately requires printing different sheet materials and sheet sizes, can also be processed without any problems.
  • a respective transport device 3a, 3b, 3c is assigned to the material buffers 2a, 2b, 2c, which, for example, have transport rollers running on one another and thus providing a thrust force.
  • a respective sheet material 4a, 4b, 4c passes from the material buffers 2a, 2b, 2c via a respective cleaning station 5a, 5b, 5c to a material switch 6.
  • the sheet materials 4a, 4b, 4c run here via an associated tensioning device 7a, 7b, 7c, which can be formed, for example, with a so-called dancer.
  • the respective sheet material 4a, 4b, 4c can run through a slot guide in the cleaning devices 5a, 5b, 5c.
  • the slot guide can serve as a feed lock.
  • the sheet materials 4a, 4b, 4c reach the material switch 6 via transporters 8a, 8b, 8c.
  • the transporters 8a, 8b, 8c which can be provided as part of the material switch 6, can be designed, for example, with transport rollers to which a motor drive is coupled .
  • the transporters 8a, 8b, 8c are synchronized for transporting the respective sheet material 4a, 4b, 4c with a transport device 9 which is arranged downstream of the material switch 6 and which, for example, has transport rollers.
  • the sheet material 4a, 4b, 4c is transported by a respectively assigned proximal switch guide 10a, 10b, 10c, which can be designed as a transport channel and which converge together to form a distal switch guide 11, which can be formed as a feed channel , from which the sheet material reaches the downstream transport device 9.
  • the material switch 6 is driven with control signals which, according to the respective print job, feed one of the sheet materials 4a, 4b, 4c through the material switch 6 to the subsequent elements or modules of the printing device 1 (cf. in particular explanations for Fig. 2 below).
  • the Fig. 3 and 4th show different embodiments of the material switch 6.
  • the configuration in Fig. 3 is based on the design of the material switch 6 in Fig. 1 .
  • Unlike the one in Fig. 1 shown embodiment lacks the distal switch guide 11.
  • the proximal switch guides 10a, 10b, 10c and / or the distal switch guide 11 can be designed as a channel, in particular a flat channel, through which the arch materials 4a, 4b, 4c are passed.
  • Fig. 5 shows a schematic cross-sectional view for such a guide channel, which has an upper and a lower boundary 50, 51, in cross section.
  • Rounded projections 54 are arranged on the respective inner side 52, 53, along which the sheet material is guided.
  • the proximal switch guides 10a, 10b, 10c and / or the distal switch guide 11 can couple to an electrostatic discharge device (not shown) in order to avoid electrostatic charging. In this connection, the guides of the material switch 6 can be grounded.
  • Fig. 4 shows a schematic representation of another embodiment of the material switch 6.
  • the sheet materials 4a, 4b, 4c are fed according to the respective print job via the material switch 6 by the transporters 8a, 8b, 8c being displaced in the vertical direction so that the transporter 8a, 8b, 8c is arranged in the center, which feeds the sheet material desired in the respective print job.
  • the sheet material 4a, 4b, 4c is held on a support or storage surface 21 of a table or stamp 22 of the separating device 20, in particular with the aid of a vacuum holder.
  • the table 22 can have suction openings on the top side, via which the vacuum is applied to the sheet material.
  • the sheet material 4a, 4b, 4c is cut so that a single sheet to be printed is produced in accordance with the respective print job.
  • the isolated sheet is positioned on the table 22.
  • a positioning device 23 is provided which, for example, has a sensor device for image recording, for example a camera system.
  • markings can be provided on the support surface 21, on which the sheet is arranged on the table 22, which serve as positioning aids. With the aid of the positioning device 23, the sheet is then positioned exactly on the table 22.
  • the table 22 is moved in a position relative to a transport drum 24, which can also be referred to as a working drum.
  • the transport drum 24 has a plurality of working or transport surfaces 25, which are equipped with a respective holding element 26, which can be designed as a holding plate.
  • work stations 27a is a cleaning device.
  • the work station 27b can be a printing device.
  • a drying device can form the work station 27c.
  • the work surfaces 25 can be formed with a combined heating and vacuum plate, so that an arc picked up thereon can be tempered and at the same time is held by applying a vacuum.
  • a sintered plate can be used to apply the vacuum to hold.
  • the floor to be printed is kept at a temperature in the range from approximately 60 ° C. to approximately 80 ° C. by means of the heater.
  • the temperature of the individual sheet is already tempered when it is still arranged on the table 22.
  • the separated sheet can then be heated, for example to the processing temperature used in the operation of the transport drum 24.
  • Fig. 6 shows schematic representations for the transfer of a sheet 100 from the support surface 21 of the table 22 to the transport drum 24.
  • the table 22 has a convex surface 60 which is arranged opposite one of the holding elements 26 of the transport drum 24 in order to transfer the separated sheet. By applying the vacuum via the holding element 26, the sheet is transferred from the table 22 to the transport drum 24.
  • An alternative embodiment for the design of the table 22 is shown.
  • An inclined surface is provided, the inclination being adjustable by bringing the table 22 into different pivot positions.
  • the sheet picked up on the transport drum 24 and held by using the vacuum is then fed to the various work stations 27a, 27b, 27c by rotating the transport drum 24. Additional work stations can be provided. In the example shown in Fig. 2 this is first the work station "cleaning device" 27a, which serves to clean the surface of the sheet to be printed.
  • the transport drum 24 is then rotated further in order to feed the sheet to be printed to the “printing device” work station 27b.
  • the sheet to be printed comes to rest relative to the printing device 27b.
  • the transport drum 24 remains in the rest position during printing.
  • the tempered state of the sheet to be printed supports the avoidance of the bleeding of the ink applied during printing.
  • the Transport drum 24 further to bring the printed sheet to the "drying device" work station 27c, where the printed image is dried.
  • the printed sheet is then released from the transport drum 24, in particular by completely or partially switching off the vacuum which is used to hold the sheet on the transport drum 24.
  • the printed sheet arrives at a transport system 28 in order to lead the printed sheet out of the printing device 1.
  • a quality check of the printed sheet can then be provided by means of a quality checking device 29, it being possible for faulty printed sheets to be sorted out into a reject collector 30 as an exclusion. In this context, the printed sheet can then be canceled, for example by mechanical destruction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Claims (13)

  1. Procédé de fabrication d'une feuille individuelle dans un dispositif d'impression, avec les étapes suivantes :
    - préparation de différents matériaux en feuille (4a, 4b, 4c) dans des systèmes de magasin (2a, 2b, 2c) en tant que matériau continu, sachant qu'une piste de transport vers un aiguillage de matériau (6), dans lequel convergent les pistes de transport, est respectivement logée côté sortie en aval des systèmes de magasin (2a, 2b, 2c),
    - préparation de systèmes de transport (8a, 8b, 8c), qui sont respectivement affectés à une des pistes de transport et agencés pour transporter les différents matériaux en feuille (4a, 4b, 4c) du système de magasin (2a, 2b, 2c) au moins vers l'aiguillage de matériau (6),
    - réception de signaux de commande dans les systèmes de transport (8a, 8b, 8c), sachant que les signaux de commande déterminent une sélection de matériau d'un matériau sélectionné des matériaux en feuille (4a, 4b, 4c), correspondant à une commande d'impression,
    - commande des systèmes de transport (8a, 8b, 8c), selon les signaux de commande de telle manière que le matériau (6) en feuille sélectionné est transporté vers l'aiguillage de matériau et dans l'aiguillage de matériau (6) parvient de la piste de transport dans une piste d'alimentation dans laquelle débouchent les pistes de transport,
    - transport du matériau en feuille sélectionné au moyen des systèmes de transport (8a, 8b, 8c) par le biais de la piste d'alimentation de l'aiguillage de matériau (6) vers un dispositif de séparation (20), et
    - fabrication d'une feuille individuelle pour une impression suivante dans laquelle la feuille individuelle est séparée du matériau en feuille sélectionné dans le dispositif de séparation (20).
  2. Procédé selon la revendication 1, caractérisé en ce que le matériau en feuille sélectionné après la séparation de la feuille individuelle est retransporté de la piste d'alimentation dans la piste de transport affectée au matériau en feuille sélectionné.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) sont guidés le long de la piste de transport à travers un système de nettoyage (5a, 5b, 5c).
  4. Procédé selon au moins une quelconque des revendications précédentes, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) sont guidées le long de la piste de transport par le biais d'un dispositif de tension de matériau (7a, 7b, 7c).
  5. Procédé selon au moins une quelconque des revendications précédentes, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) sont guidés le long de la piste de transport pour réduire ou éviter une charge électrostatique par des éléments de transport mis à la terre et entourés par les systèmes de transport (8a, 8b, 8c).
  6. Procédé selon au moins une quelconque des revendications précédentes, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) sont transportés le long de la piste de transport et de la piste d'alimentation vers le dispositif de séparation (20) au moyen de dispositifs pousseurs (8a, 8b, 8c) entourés par les systèmes de transport.
  7. Procédé selon la revendication 6, caractérisé en ce que des dispositifs pousseurs (8a, 8b, 8c ; 9) disposés séparément sont actionnés de façon synchronisée lors du transport du matériau en feuille sélectionné.
  8. Procédé selon la revendication 7, caractérisé en ce qu'un dispositif pousseur (8a, 8b, 8c ; 9) logé en amont de l'aiguillage de matériau et un logé en aval de l'aiguillage de matériau (6) sont actionnés de façon synchronisée.
  9. Procédé selon au moins une quelconque des revendications 6 à 8, caractérisé en ce que pour des dispositifs pousseurs (8a, 8b, 8c) logés côté entrée en amont de l'aiguillage de matériau (6), qui sont affectés respectivement à un des différents matériaux en feuille, une position relative par rapport à une entrée de l'aiguillage de matériau (6) est modifiée lors de la commande des systèmes de transport selon les signaux de commande.
  10. Procédé selon au moins une quelconque des revendications précédentes, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) sont transportés respectivement le long de la piste de transport par le biais d'un conduit de transport (10a, 10b, 10c) affecté dans un conduit d'alimentation (11) de la piste d'alimentation.
  11. Procédé selon au moins une quelconque des revendications 1 à 9, caractérisé en ce que les différents matériaux en feuille (4a, 4b, 4c) parviennent d'une section libre de la piste de transport dans un conduit d'alimentation (11) de la piste d'alimentation.
  12. Procédé selon au moins une quelconque des revendications précédentes, caractérisé par les étapes suivantes :
    - réception d'autres signaux de commande dans les systèmes de transport (8a, 8b, 8c), sachant que les autres signaux de commande affichent pour une autre commande d'impression, une sélection de matériau d'un autre matériau en feuille sélectionné, lequel est différent du matériau en feuille sélectionné,
    - commande des systèmes de transport (8a, 8b, 8c) selon les autres signaux de commande de telle manière que l'autre matériau en feuille sélectionné est transporté vers l'aiguillage de matériau (6) et dans l'aiguillage de matériau (6) parvient de la piste de transport dans une piste de transport,
    - transport de l'autre matériau en feuille sélectionné par le biais de la piste d'alimentation de l'aiguillage de matériau (6) vers un dispositif de séparation (20), et
    - fabrication d'une autre feuille individuelle pour l'impression suivante dans laquelle l'autre feuille individuelle est séparée de l'autre matériau en feuille sélectionné dans le dispositif de séparation.
  13. Dispositif destiné à la fabrication d'une feuille individuelle pour un dispositif d'impression avec :
    - systèmes de magasin (2a, 2b, 2c) dans lesquels différents matériaux en feuille (4a, 4b, 4c) sont respectivement préparés en tant que matériau continu,
    - pistes de transport, qui sont respectivement logées côté sortie en aval des systèmes de magasin (2a, 2b, 2c) et conduisent à un aiguillage de matériau (6) dans lequel convergent les pistes de transport,
    - systèmes de transport (8a, 8b, 8c), qui sont affectés respectivement à une des pistes de transport et agencés pour transporter les différents matériaux en feuille (4a, 4b, 4c) du système de magasin (2a, 2b, 2c) au moins vers l'aiguillage de matériau,
    - un dispositif de commande, qui est couplé au moins aux systèmes de transport (8a, 8b, 8c) et agencé :
    - pour préparer dans les systèmes de transport (8a, 8b, 8c) des signaux de commande, qui affichent une sélection de matériau d'un matériau sélectionné des matériaux en feuille pour une commande d'impression,
    - pour commander les systèmes de transport (8a, 8b, 8c) selon les signaux de commande de telle manière que le matériau (6) en feuille sélectionné est transporté vers l'aiguillage de matériau (6) et dans l'aiguillage de matériau parvient de la piste de transport dans une piste d'alimentation dans laquelle débouchent les pistes de transport, et
    - transporter Le matériau en feuille sélectionné au moyen des systèmes de transport (8a, 8b, 8c) sur la piste d'alimentation de l'aiguillage de matériau (6) vers un dispositif de séparation (20), et
    - sachant que le dispositif de séparation (20) est agencé pour fabriquer une feuille individuelle pour l'impression suivante dans laquelle la feuille individuelle est séparée du matériau en feuille sélectionné dans le dispositif de séparation (20).
EP17706668.5A 2016-02-15 2017-02-10 Procédé et dispositif d'obtention d'une feuille séparée dans un dispositif d'impression Active EP3416905B1 (fr)

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DE102016102565.8A DE102016102565A1 (de) 2016-02-15 2016-02-15 Verfahren und Vorrichtung zum Herstellen eines vereinzelten Bogens in einer Druckvorrichtung
PCT/DE2017/100104 WO2017140300A1 (fr) 2016-02-15 2017-02-10 Procédé et dispositif d'obtention d'une feuille séparée dans un dispositif d'impression

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US6401608B1 (en) 2000-05-05 2002-06-11 Halm Industries, Co., Inc. Printing press with perfecting station
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