EP3643507B1 - Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc - Google Patents

Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc Download PDF

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Publication number
EP3643507B1
EP3643507B1 EP19202664.9A EP19202664A EP3643507B1 EP 3643507 B1 EP3643507 B1 EP 3643507B1 EP 19202664 A EP19202664 A EP 19202664A EP 3643507 B1 EP3643507 B1 EP 3643507B1
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EP
European Patent Office
Prior art keywords
drum
substrate
sheet
printing
gripper
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
EP19202664.9A
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German (de)
English (en)
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EP3643507A1 (fr
Inventor
Stefan Tschorn
Matthias Amrein
Daniel Koster
Alexander GÖDECKE
Nina Baier
Michael Gardon
Josef Kirschbauer
James Zerbel
Franziska Peinze
Arthur Mathea
Alexander MOMBRÉE
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Bundesdruckerei GmbH
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Bundesdruckerei GmbH
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Publication of EP3643507A1 publication Critical patent/EP3643507A1/fr
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Publication of EP3643507B1 publication Critical patent/EP3643507B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/22—Clamps or grippers
    • B41J13/223—Clamps or grippers on rotatable drums
    • B41J13/226—Clamps or grippers on rotatable drums using suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/22—Clamps or grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material

Definitions

  • the invention relates to a printing device for printing on a sheet-like substrate, with a drum that can be driven in rotation about a longitudinal axis of the drum, in particular continuously or clocked, on the outer surface of which at least one sheet-like substrate can be at least partially fixed by means of at least one gripper for fixing the sheet-like substrate to a first substrate area and by means of a suction air provided by a suction air area of the drum for fixing the arch-shaped substrate to a second substrate area, as well as with a printing device arranged radially with respect to the drum, in particular an inkjet printing device.
  • the invention also relates to a method for printing a sheet-like substrate with such a printing device.
  • Such a printing device is used, for example, in the production of an identity document, document of value or security document, in particular in the production of passports.
  • Passports comprise a cover and a passport book block that are glued and folded together.
  • the passport book block is made from a sheet, in particular a sheet of paper, from which copies are separated after printing.
  • a sheet can thus contain a large number of panels, it being possible for only individual panels of the sheet to be personalized and / or printed.
  • personalized data or information such as place of residence, size, eye color or the name of the order or artist are printed on (paper) page one under numbers 11 to 14.
  • the passport book pages or visa pages of the visa sheet remain largely print-free and only individual passport book pages are provided with a personalized or individualized print, an inkjet printing device preferably being used for this purpose.
  • a printing device of the type mentioned is, for example, from EP 2 657 035 A1 known, which provides a drum for the transport of a sheet-shaped substrate on which the substrate can be fixed both by means of grippers and by means of suction air on the outer surface of the drum before it is printed with the inkjet printer.
  • drums for the transport of a sheet substrate are in the EP 3 016 365 A1 , the US 2009/0 051 747 A1 and the DE 10 2016 207 398 B3 described.
  • the drums only use either mechanical gripping elements or only suction air to fix the sheet-like substrate on the drum.
  • a printing device that has proven itself for the purposes of producing identity documents, value documents or security documents is in the DE 10 2016 221 192 A1 described by the applicant, which makes it possible to print a sheet-shaped substrate on both sides. After the first side of the substrate has been printed, the sheet-shaped substrate is turned by means of deflection rollers before it is also printed on the second side of the substrate.
  • the US 2009/0 035 046 A1 deals with a drum for carrying a substrate sheet, the drum providing a suction air area on its outer surface, which is supplemented by grippers.
  • a printing device that includes a conveyor that holds and conveys a plurality of media, each at different holding areas.
  • an image forming section is provided for printing images on the surfaces of the media, and a control device which is set so that the media at a predetermined Holding area are transported without using all holding areas of the conveyor.
  • DE 103 12 870 A1 describes a digital printing machine. This comprises a digital printing unit and a downstream intermediate cylinder which is coated with an elastic material, as well as an impression cylinder, this having sheet-holding grippers. Furthermore, the impression cylinder has recesses that receive grippers.
  • a two-sided ink jet printer composed of a paper feeding unit, a printing unit and a paper collecting unit.
  • the paper transport unit consists of a plurality of paper transport rollers and which serve to transfer the paper printed on the front sides to the back side printing roller in order to be able to print the back side.
  • the US 2011/0 025 807 A1 describes a drum that is used in a printing machine.
  • This drum is used to fix a substrate to be printed, it has both gripper fingers for mechanical fixation of the substrate and a suction air area for fixation of the substrate by means of a negative pressure.
  • the purpose of this configuration is to ensure that the paper does not "stand up" when the substrate is mechanically gripped at the front end.
  • a further object of the present invention is to specify a method for printing a sheet-like substrate with such a printing device.
  • the pressure device is particularly characterized in that the at least one gripper is attached to a fastening rod that runs parallel to the longitudinal axis of the drum and that is adjustable by means of a lever that can be actuated by pressure medium between a first pivot position, in which the at least one gripper is in an open position, and a second Pivoting position in which the at least one gripper is in a closed position.
  • a second printing device in particular a second inkjet printing device, arranged radially with respect to the second drum is present.
  • the at least one gripper of the fastening rod of the first drum is arranged offset with respect to the at least one gripper of the fastening rod of the second drum.
  • a plurality of grippers is arranged on the fastening rod of the first drum, and that a plurality of grippers is arranged on the fastening rod of the second drum.
  • the grippers of the first drum and the grippers of the second drum are preferably aligned with one another in a comb-like manner, in particular in the transfer gap. This ensures that the moving parts of the first drum do not collide with those of the second drum.
  • the suction air area is only arranged in areas on the outer surface of the drum at a predetermined distance from the at least one gripper.
  • a fixation-free jacket area arises on the jacket surface between the gripper and the suction air area, so that the curved substrate can be fixed to the drum without distortion, in particular at its front edge by means of the gripper and at its rear edge by means of the suction air.
  • the invention provides that the fastening rod is rotatably mounted on a swivel bracket, which is adjustable between a raised position, in which the fastening rod protrudes over the outer surface of the drum, and a lowered position, in which the fastening rod is arranged at least flat to the outer surface of the drum.
  • the swivel bracket can be adjusted, for example, by means of an electric servomotor. Alternatively, the adjustment can be operated by pressure medium, in particular pneumatically or hydraulically.
  • the adjustment of the at least one swivel bracket can be an alternative or a supplement be carried out gravity driven. This means that the swivel bracket is brought into the raised position when it is located opposite a sheet feeder located below the drum, so it is pivoted out of the outer surface of the drum due to gravity and thus protrudes beyond the outer surface.
  • the swivel mount is assigned a roller which is designed to interact with a control cam or a run-up or a guide bar in such a way that the swivel mount, in particular at predetermined angular positions of the drum, between its raised position and their recessed position is adjusted.
  • the roller can be used to roll along a surface of the sheet feeder or a part of a machine frame, whereby the swivel bracket is folded in again and transferred into its lowered position .
  • a kinematic reversal is possible.
  • the drum has at least one switching device which is designed to switch the suction air area only at predetermined angular positions or only within a predetermined range of angular positions of the drum between an active one to adjust a configuration providing suction power on the lateral surface, and an inactive configuration that does not provide or suppresses the suction power on the lateral surface.
  • the drum has been found to be advantageous if a sheet-shaped substrate to be printed is first fixed with the grippers attached to the fastening rod before it is subsequently sucked in in the suction air area of the drum.
  • the switching device is guided in a drum link formed in the drum, and if the switching device has a switching element which is designed to interact with a control cam or a run-up or a guide bar in such a way as to create the suction air area between the active configuration and the inactive configuration.
  • the switching element can be adjusted in the drum link, for example, by means of an electric servomotor or by means of a pressure medium, in particular pneumatically or hydraulically. It is also possible for it to be adjusted by means of gravity, so that the adjustability of the switching element can take place in a manner analogous to the adjustability of the swivel mount.
  • Safe adjustability of the fastening rod can, however, also be achieved in that the swivel bracket is present on both sides of the drum.
  • the two swivel brackets then support the fastening rod rotatably between them, so that the swivel brackets form a swivel bracket with the fastening rod.
  • the shift gate which can be provided on both sides of the drum or formed on both sides in the drum in order to guide a shift element that is provided on one side or on both sides of the drum.
  • the arcuate substrate is between the first substrate area fixed by the at least one gripper and the second substrate area fixed by the suction air area is wiped onto the outer surface of the drum by means of a wiping device, the wiping device being formed in particular as a blade, a strip, a brush strip or the like.
  • a particularly reliable removal of the arch-shaped substrate from a sheet feeder can be realized in that first the arch-shaped substrate is grasped by means of the at least one gripper, and that subsequently the suction air area from an inactive configuration, which prevents the suction power on the outer surface, into an active, one The configuration providing suction power on the lateral surface is adjusted for the temporally subsequent fixation of the second substrate region of the arch-shaped substrate.
  • the drum is rotated further after the first substrate side has been printed, and if the sheet-shaped substrate is transferred to a second drum in a transfer gap and on a second drum by means of a second printing device Substrate side is printed.
  • a printing device 200 is shown, which is used for printing a sheet-shaped substrate 300.
  • This printing device 200 is used in particular in the production of a German passport.
  • the printing device 200 comprises a first drum 202A and a second drum 202B, which can be driven continuously or clocked in opposite directions, rotating about their drum longitudinal axes 204.
  • the two drums 202A, 202B are aligned with one another in such a way that a transfer gap 216 is formed between them for transferring the arcuate substrate 300 from the first drum 202A to the second drum 202B.
  • the arcuate substrate 300 can be fixed at least in regions on the outer surfaces 206 of the drums 202A, 202B.
  • the fixation takes place on the one hand by means of a gripper 208 on a first substrate region 302 and on the other hand by means of suction air provided by a suction air region 210 of the drums 202A, 202B on a second substrate region 304.
  • the first drum 202A is assigned a first printing device 250A radially, in particular vertically above the drum 202A.
  • the first printing device 250A is formed, for example, as an inkjet printing device comprising a plurality of print heads.
  • a second printing device 250B is assigned to the second drum 202B radially, in particular vertically above the drum 202B.
  • the second printing device 250B is also, for example, one of several Formed printheads comprehensive inkjet printing device. In the present case, the two printing devices 250A, 250B are aligned parallel to one another.
  • a sheet feeder 400 is present below the first drum 202A, which sheet feeder is designed to feed the sheet-shaped substrate 300 to the first drum 202A.
  • a sheet depository 402 for depositing the sheet-like substrate 300 printed on both sides is provided below the second drum 202B.
  • the sheet feeder 400 and / or the sheet depository 402 can be designed to be height-adjustable, manually or automatically.
  • the drums 202A, 202B can be driven to rotate about their drum longitudinal axis 204, a motor 232 being provided for rotating or for driving the drums 202A, 202B.
  • a motor 232 being provided for rotating or for driving the drums 202A, 202B.
  • these are in the present case subdivided into a plurality of individual strips 234, one of the grippers 208 being assigned to each of the strips 234.
  • a section 240 of the suction air region 210 is assigned to each of the strips 234. It can also be seen that the suction air area 210 is only formed in areas on the lateral surface 206 of the drums 202A, 202B and maintains a predetermined distance from the at least one gripper 208.
  • a plurality of grippers 208 are fixed there on a fastening rod 212, the grippers 208 in particular being aligned equidistant from one another.
  • the fastening rod 212 can be pivoted about its longitudinal axis between a first pivot position and a second pivot position by means of a lever 214.
  • the lever 214 opens and closes the gripper 208 fixed on the fastening rod 212.
  • the lever 214 which can be actuated by means of a pressure medium, in particular pneumatically or hydraulically, is designed in such a way that the fastening rod 212 is between the first pivot position in which the at least a gripper 208 is in an open position, and a second pivot position, in which the at least one gripper 208 is in a closed position, adjustable.
  • the open position of the gripper 208 the arch-shaped substrate 300 are fed to the drum 202A, 202B, the grippers 208 in the closed position fixing the arcuate substrate to the jacket surface 206 of the drum 202A, 202B.
  • the adjustment unit for actuating the lever 214 has a linearly adjustable piston rod 242 which is attached to the lever 214 in a pivot-joint manner.
  • the drum 202A, 202B is designed to simultaneously fix three of the arcuate substrates 300 on their outer surface 206 and to transport them. Another number is possible, wherein the diameter of the drum 202A, 202B and the number of fastening rods 212 with grippers 208 can be adapted accordingly. In any case, a plurality of fastening rods 212 with grippers 208 distributed over the circumference of the drum 202A, 202B and a number of suction air areas 210 corresponding to the number of fastening rods 212 can be present.
  • the fastening rod 212 is rotatably mounted on a pivot bracket 218 in the present case.
  • a pivot bracket 218 for each of the arcuate substrates 300 to be transported, there are two swivel mounts 218, which are mounted on both sides of the drum 202A, 202B.
  • a first swivel mount 218 is arranged on the first end face of the drum 202A, 202B and a second swivel mount 218 is arranged on the second end face of the drum 202A, 202B for each arcuate substrate to be processed, so that they form a swivel bracket with the fastening rod 212 .
  • first pivot bracket 218 is arranged with respect to the drum longitudinal axis 204 in front of the lateral surface 206 and the second pivot bracket 218 with respect to the drum longitudinal axis 204 after the lateral surface 206 of the drum 202A, 202B.
  • This swivel bracket 218 is adjustable between a raised position in which the fastening rod 212 protrudes over the jacket surface 206 of the drum 202A, 202B (e.g. swivel bracket 218 in the picture below) and a recessed position in which the fastening rod 212 is at least flat to the jacket surface 206 the drum 202A, 202B is arranged (e.g. Swivel brackets 218 in the picture on the left and right above).
  • the swivel bracket 218 can also be brought into the raised position by gravity.
  • the swivel bracket 218 can also be adjusted by means of an electric servomotor. Alternatively, the swivel bracket 218 can be adjusted by means of pressure medium, in particular pneumatically or hydraulically.
  • the pivot bracket 218 is guided in a guide groove 244 of the drum 202A, 202B and movable between two stops, the guide groove 244 extending tangentially with respect to the jacket surface 206 or along a secant of the circle described by the jacket surface 206.
  • the swivel bracket 218 is also assigned a roller 222 which is designed to interact with a control cam or a run-up or a guide bar, for example a guide bar of a machine frame, in such a way that the swivel bracket 218 is brought back into the guide recess 246 and thus back into its lowered position will. It is also possible that there is a kinematic reversal, after which the roller 222 is used to disengage the swivel mount 218 from the guide recess 246 and to transfer it into the raised position.
  • the drum 202A, 202B has at least one switching device 220, which is designed to operate the suction air area 210 only at predetermined angular positions or only within a predetermined range of angular positions of the drum 202A, 202B between an active, one suction power on the lateral surface 206 providing configuration and an inactive configuration preventing the suction power on the lateral surface 206.
  • the switching device 220 is preferably guided in a drum link 226, the switching device 220 being assigned a switching element 224 which is configured with a control cam or a run-up or a guide bar, for example a guide bar Machine frame to interact in such a way as to adjust the suction air area 210 between the active configuration and the inactive configuration.
  • the switching device 220 can be adjusted, for example, by means of an electric servomotor.
  • the switching device 220 can be adjusted by means of a pressure medium, in particular pneumatically or hydraulically.
  • the switching device 220 can be driven by gravity, the switching element 224 activating the switching device 220 when it interacts with the control cam, the run-up or a guide bar.
  • the reverse possibility (kinematic reversal) is opened up, so that the switching element 224, under the influence of gravity, converts the switching device 220 into the inactive configuration.
  • FIG. 3 and 4th it can also be seen that the section of the drum 202A, 202B on which the grippers 208 fix the first substrate area 302 is free of suction holes or suction air areas.
  • the suction air region 210 is designed to fix the substrate 300 in its second substrate region 304, which is spaced apart from the first substrate region 302.
  • the fastening rod 212 comprises a recess which is provided with a thread in order to fix the gripper 208 to the fastening rod 212 by means of at least one, in the present case exactly three screws. A different number of screws is possible.
  • a different fixing for the gripper 208 is possible, which can be formed, for example, with rivets, nails or other clamping elements for clamping a gripper end.
  • This figure also shows the shape of the grippers 208, which comprise a retaining tab 248 at their free end, ie at their end not arranged on the fastening rod 212.
  • the holding tab 248 is that part of the gripper 208 which fixes the arcuate substrate 300 in its first substrate region 302.
  • the transfer gap 216 is shown in a detailed section, wherein the gripper 208 of the second drum 202B is in the open position, and wherein the gripper 208 of the first drum 202A is in the closed position.
  • the Different pivot positions of the two fastening rods 212 shown can be recognized from the fact that the two piston rods 242 are visible with different lengths, and that there are also different pivot positions for the two levers 214.
  • the grippers 208 on the fastening rods 212 are offset from one another, the grippers 208 of the first drum 202A in particular in a comb-like manner with the grippers 208 of the second drum 202B interlock.
  • the sheet-shaped substrate 300 is provided by means of the sheet feeder 400, the first drum 202A being rotated counterclockwise about its drum longitudinal axis 204 and the fastening rod 212 of the first drum 202A being swiveled into its first swivel position, whereby the grippers 208 of the first drum 202A are swiveled into the Open position will be transferred.
  • the arch-shaped substrate 300 is gripped on a first substrate region 302 by means of the grippers 208 when the fastening rod 212 is pivoted into the second pivot position, whereby the grippers 208 are thus transferred into the closed position.
  • the drum 202A is rotated further and the arcuate substrate 300 is brushed onto the lateral surface 206 by means of a wiping device 230, in particular a brush strip.
  • the second substrate region 304 of the substrate 300 is fixed to the jacket surface 206 of the drum 202A by means of the suction air provided by the suction air region 210.
  • the substrate 300 is transported to the first printing device 250A, where it is printed on its first substrate side.
  • the one-sided printed substrate 300 is then transported on until the first substrate area 302 has arrived in the transfer gap 216, where the grippers 208 of the second drum 202B take over the sheet-shaped substrate 300 and the grippers 208 of the first drum 202A are transferred to the open position to release the substrate .
  • the arcuate substrate 300 is slipped onto the lateral surface 206 by means of a wiping device 230, in particular with a brush strip, until it is subsequently fixed in the suction air area 210 of the second drum 202B by means of suction air.
  • the second drum 202B is then rotated further and the sheet-shaped substrate 300 is printed on its second substrate side with the second printing device 250B before it is deposited on the sheet depository 402 for further processing.

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  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (14)

  1. Dispositif d'impression (200) pour imprimer un substrat en forme d'arc (300) avec un tambour (202A, 202B) qui peut être entraîné en rotation autour d'un axe longitudinal de tambour (204), sur la surface d'enveloppe (206) duquel au moins un substrat en forme d'arc (300) peut être fixé au moins par zones, au moyen d'au moins un dispositif de saisie (208) pour fixer le substrat en forme d'arc (300) sur une première zone de substrat (302) et au moyen d'air d'aspiration fourni par une zone d'air d'aspiration (210) du tambour (202A, 202B) pour fixer le substrat en forme d'arc (300) sur une seconde zone de substrat (304), ainsi qu'avec un dispositif d'impression (250A, 250B) disposé radialement par rapport au tambour (202A, 202B), dans lequel l'au moins un dispositif de saisie (208) est placé sur une tige de fixation (212) s'étendant parallèlement à l'axe longitudinal de tambour (204), qui est réglable au moyen d'un levier (214) entre une première position de pivotement, dans laquelle l'au moins un dispositif de saisie (208) se trouve dans une position ouverte, et une seconde position de pivotement, dans laquelle l'au moins un dispositif de saisie (208) est dans une position fermée,
    caractérisé en ce que le levier (214) peut être actionné de manière pneumatique ou hydraulique au moyen d'un moyen de pression, et en ce que la tige de fixation (212) est montée de manière rotative sur un support de pivotement (218), lequel peut être ajusté entre une position relevée, dans laquelle la tige de fixation (212) fait saillie au-delà de la surface d'enveloppe (206) du tambour (202A, 202B), et une position abaissée, dans laquelle la tige de fixation (212) est disposée au moins de manière plane sur la surface d'enveloppe (206) du tambour (202A, 202B).
  2. Dispositif d'impression (200) selon la revendication 1, caractérisé en ce que deux des tambours (202A, 202B) sont présents, lesquels sont alignés l'un avec l'autre de sorte qu'une fente de transfert (216) est formée entre eux pour transférer le substrat en forme d'arc (300) d'un premier des tambours (202A) à un second des tambours (202B).
  3. Dispositif d'impression (200) selon la revendication 2, caractérisé en ce qu'un second dispositif d'impression (250B) est disposé radialement par rapport au second tambour (202B).
  4. Dispositif d'impression (200) selon la revendication 2 ou 3, caractérisé en ce que l'au moins un dispositif de saisie (208) de la tige de fixation (212) du premier tambour (202A) est disposé de manière décalée par rapport à l'au moins un dispositif de saisie (208) de la tige de fixation (212) du second tambour (202B).
  5. Dispositif d'impression (200) selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une pluralité de tiges de fixation (212) avec des dispositifs de saisie (208) répartis sur la périphérie du tambour (202A, 202B) ainsi qu'un nombre de zones d'air d'aspiration (210) correspondant au nombre de tiges de fixation (212) sont présents.
  6. Dispositif d'impression (200) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la zone d'air d'aspiration (210) est disposée uniquement par zones sur la surface d'enveloppe (206) du tambour (202A, 202B) à une distance prédéterminée de l'au moins un dispositif de saisie (208).
  7. Dispositif d'impression (200) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le support de pivotement (218) est affecté à un galet (222) configuré pour interagir avec une came de commande ou un démarrage ou un rail de guidage de sorte que le support de pivotement (218) est déplacé entre sa position relevée et sa position abaissée.
  8. Dispositif d'impression (200) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le tambour (202A, 202B) présente au moins un dispositif de commutation (220) qui est conçu pour ajuster la zone d'air d'aspiration (210) uniquement à des positions angulaires prédéterminées ou uniquement au sein d'une plage prédéterminée de positions angulaires du tambour (202A, 202B) entre une configuration active assurant l'aspiration sur la surface d'enveloppe (206) et une configuration inactive empêchant l'aspiration sur la surface d'enveloppe (206).
  9. Dispositif d'impression (200) selon la revendication 8, caractérisé en ce que le dispositif de commutation (220) est guidé dans une porte de tambour (226), et en ce qu'un organe de commutation (224) est affecté au dispositif de commutation (220), qui est conçu pour interagir avec une came de commande ou un démarrage ou un rail de guidage de manière à régler la zone d'air d'aspiration (210) entre la configuration active et la configuration inactive.
  10. Procédé d'impression sur un substrat en forme d'arc (300) avec un dispositif d'impression (200) selon l'une quelconque des revendications 1 à 9, caractérisé par les étapes consistant à :
    - fournir le substrat en forme d'arc (300) au moyen d'un margeur (400),
    - faire tourner le tambour (202A, 202B) autour de son axe longitudinal de tambour (204) et faire pivoter la tige de fixation (212) dans la première position de pivotement, amenant ainsi l'au moins un dispositif de saisie (208) dans la position ouverte,
    - saisir le substrat en forme d'arc (300) au niveau d'une première zone de substrat (302) au moyen du dispositif de saisie (208) lorsque la tige de fixation (212) est pivotée dans la seconde position de pivotement, amenant ainsi l'au moins un dispositif de saisie (208) dans la position fermée,
    - continuer de faire tourner le tambour (202A, 202B) et fixer le substrat en forme d'arc (300) à la surface d'enveloppe (206) du tambour (202A, 202B) au niveau d'une seconde zone de substrat (304) au moyen de l'air d'aspiration fourni par la zone d'air d'aspiration (210), et
    - transporter le substrat en forme d'arc (300) vers un dispositif d'impression (250A, 250B) en continuant de faire tourner le tambour (202A, 202B) et imprimer le substrat en forme d'arc (300) sur un premier côté de substrat.
  11. Procédé selon la revendication 10, caractérisé en ce que le substrat en forme d'arc (300) est étalé entre la première zone de substrat (302) fixée par l'au moins un dispositif de saisie (208) et la seconde zone de substrat (304) fixée par la zone d'aspiration (210) au moyen d'un dispositif d'étalement (230) sur la surface d'enveloppe (206) du tambour (202A, 202B).
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que le substrat en forme d'arc (300) est saisi au moyen de l'au moins un dispositif de saisie (208) et puis en ce que la zone d'air d'aspiration (210) est ajustée d'une configuration inactive empêchant l'aspiration au niveau de la surface d'enveloppe (206) à une configuration active assurant l'aspiration au niveau de la surface d'enveloppe (206) pour fixer ensuite la seconde zone de substrat (304).
  13. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que le tambour (202A) est continué d'être tourné après l'impression sur le premier côté de substrat, et en ce que le substrat en forme d'arc (300) est transféré dans une fente de transfert (216) vers un second tambour (202B) et imprimé sur un second côté de substrat au moyen d'un second dispositif d'impression (250B).
  14. Procédé selon l'une quelconque des revendications 10 à 13, caractérisé en ce que le substrat en forme d'arc (300) est délivré à un dispositif de dépôt d'arc (402) après impression sur le premier côté de substrat ou après impression sur le second côté de substrat.
EP19202664.9A 2018-10-15 2019-10-11 Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc Active EP3643507B1 (fr)

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US4660825A (en) 1979-07-26 1987-04-28 Ricoh Company Ltd. Sheet clamping device
DE10312870A1 (de) * 2002-07-16 2004-02-26 Ebe Hesterman Digitaldruckmaschine
US20090035046A1 (en) * 2007-07-31 2009-02-05 Belbey Jason S Print drum
JP2009046295A (ja) 2007-08-23 2009-03-05 Brother Ind Ltd 画像記録装置
JP5148363B2 (ja) 2008-05-13 2013-02-20 富士フイルム株式会社 画像形成装置及びメンテナンス方法
JP5350933B2 (ja) 2009-07-31 2013-11-27 富士フイルム株式会社 媒体固定装置及び画像形成装置
JP5335040B2 (ja) * 2011-07-22 2013-11-06 富士フイルム株式会社 画像形成装置および画像形成方法
JP5543564B2 (ja) * 2011-12-27 2014-07-09 富士フイルム株式会社 インクジェット記録装置
EP2657035B1 (fr) 2012-04-24 2016-09-07 Komori Corporation Appareil d'impression numérique
WO2014208587A1 (fr) 2013-06-28 2014-12-31 コニカミノルタ株式会社 Dispositif de formation d'image
CN105172387A (zh) * 2015-08-19 2015-12-23 江苏昌昇集团股份有限公司 一种双面喷墨印刷机
DE102016207398B3 (de) 2015-09-09 2016-08-18 Koenig & Bauer Ag Maschinenanordnung zum sequentiellen Bearbeiten mehrerer bogenförmiger jeweils eine Vorderseite und eine Rückseite aufweisender Substrate
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