EP1497136B1 - Dispositif d'impression et procede d'impression d'un support d'information - Google Patents

Dispositif d'impression et procede d'impression d'un support d'information Download PDF

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Publication number
EP1497136B1
EP1497136B1 EP03722392A EP03722392A EP1497136B1 EP 1497136 B1 EP1497136 B1 EP 1497136B1 EP 03722392 A EP03722392 A EP 03722392A EP 03722392 A EP03722392 A EP 03722392A EP 1497136 B1 EP1497136 B1 EP 1497136B1
Authority
EP
European Patent Office
Prior art keywords
accordance
transfer tape
printing apparatus
printing
printing head
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.)
Expired - Lifetime
Application number
EP03722392A
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German (de)
English (en)
Other versions
EP1497136A1 (fr
Inventor
Willi Sautter
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.)
Bizerba SE and Co KG
Original Assignee
Bizerba SE and Co KG
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Filing date
Publication date
Application filed by Bizerba SE and Co KG filed Critical Bizerba SE and Co KG
Publication of EP1497136A1 publication Critical patent/EP1497136A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3086—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means between the print head and its carriage
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/312—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print pressure adjustment mechanisms, e.g. pressure-on-the paper mechanisms

Definitions

  • the invention relates to a printing device for printing an information carrier on a carrier tape, comprising a print head, a first transport device, by means of which the carrier tape can be guided past the print head and a second transport device, by means of which a transfer belt can be guided past the print head, which when activated by the Printhead causes printing of an information carrier, wherein the contact pressure of the printhead on the transfer belt and on the carrier tape and the transfer belt advance by the second transport device are controllable so that the carrier tape with a speed difference relative to the transfer belt on the printhead is guided.
  • Such printing devices are for example from the DE 35 10 260 C2 or the DE 43 32 562 A1 known.
  • a once activated transfer belt area of a transfer belt which may be, for example, a thermal transfer ribbon, can not be reused for printing. If the transfer belt is moved past the print head in synchronism with the carrier tape, even if no areas are to be printed, then an unnecessary transfer ribbon consumption results, since the transfer belt has not been activated and still with the consumed transfer ribbon is wound up. With appropriate control of the transfer belt advance such that during a non-print mode there is a speed difference relative to the extended carrier belt, in particular the transfer belt being stopped relative to the print head, transfer ribbon consumption can be minimized.
  • the invention has for its object to improve a printing device of the type mentioned so that this space-saving can be formed with effective mode of action.
  • the printing device can be used when the information carrier is a separate element from the carrier tape, such as a self-adhesive label, which is arranged on the carrier tape, or if the carrier tape itself forms the information carrier in the so-called “linerless” technology.
  • a controllable air pulse or air pulse train provision is made for the printhead to be liftable away from the transfer belt and thus also from the carrier belt via a controllable air pulse or air pulse train.
  • a controllable air pulse or such a controllable air pulse sequence can be produced in a simple manner by means of a controllable passage valve, which is connected to a pressure source. About the pressure source itself, the signal level (amplitude) of the air pulse can be adjusted.
  • the control of, for example, the gate valve can be done via a control device of the printing process, which can then cause a withdrawal of the print head in the presence of larger unprintable areas.
  • the air pulse or the air pulse sequence is temporally controllable so as to obtain a minimized consumption of transfer ribbon when printing the information carrier on the carrier tape.
  • Short switching times d. H. a high switching frequency
  • a pressurizable movable element By appropriate pressurization then this element is moved, which in turn causes this movement a withdrawal of the print head.
  • short reaction times can be achieved.
  • the movable element may be a compressed air cylinder. It is particularly advantageous if the pressurizable element is a membrane. This can be done with minimized inertia form, so that the reaction times are minimized in the pressurization. It has been found that a lift of the print head in the order of 0.5 mm is sufficient to reduce the contact pressure sufficiently. About a membrane with the described advantages, such a relative movement can be achieved by pressurization, with short reaction times are guaranteed.
  • the print head is pivotally mounted, so that on the pressurizable element, a torque is exercised, which causes a withdrawal of the print head of the carrier tape away.
  • a pneumatic loading surface is arranged on a printhead holder for moving the printhead between the printhead and a pivot axis of the printhead holder so as to be able to execute a repositioning movement without disturbing the printing process itself.
  • a basic position of the print head is defined, namely the basic position suitable for the printing mode.
  • the print head is then pivoted away and automatically returns after completion of the pressurization to its normal position.
  • the biasing force acts against a lifting force for the print head of the guide surface away, so as to ensure that the print head after completion of the pressurization returns to the normal position.
  • a stop for the print head for the movement away from the carrier tape and on this is conveniently provided in each case; In this way, a maximum possible distance between the print head and the carrier tape can be adjusted.
  • the stop of a pneumatic loading surface of a print head holder is arranged opposite to achieve a space-saving arrangement.
  • a stop for the movement of the print head is provided on a guide surface of the carrier tape to achieve a defined reaching the basic position for the print mode in the return of the print head after a lift-off.
  • the stop is in the vicinity of the guide surface or at least forms part of the guide surface so as to just defined to restore the basic position can.
  • a stop is provided with a damping element, for example a felt piece, in order to avoid a hard abutment and thus to increase the service life of the printing device.
  • a guide surface for the carrier tape is formed during printing on a removal element for the carrier tape.
  • the carrier tape is deflected after printing the information carrier to lead out the printed information carrier from the printing device, so that a user can remove the information carrier.
  • the movement of the print head can be switched with a switching frequency of 80 Hz or faster.
  • switching frequencies can be achieved in the pneumatic control of the print head in particular via a print head holder and via a printing cylinder, which is in particular a membrane.
  • the second transport device advantageously comprises a transfer belt unwind and a transfer belt reel-up.
  • the transport of the transfer belt by the second transport device is pneumatically stopped. It can then be stopped simultaneously with the lift-off movement of the print head with respect to the transfer belt, the further transport of the transfer belt in the printing device. In this way, then a synchronization of the second transport device with respect to the transport of the transfer belt with the movement of the print head can be achieved.
  • an air pulse or an air pulse sequence for the movement of the print head away from the carrier tape at the same time causes a braking of the movement of the transfer belt.
  • the air pulse generated via a passage valve or the generated air pulse sequence can then simultaneously serve to lift the print head and stop the transport of the transfer belt. This, in turn, allows automatic synchronization of these two processes.
  • the air pulse or the air pulse train actuates a brake of a transfer belt unwinding and / or transfer belt take-up, so as to block the further transport of the transfer belt past the print head.
  • the transfer belt spooler alone or the transfer belt spooler and the transfer belt payout spooler are directly driven.
  • the transfer ribbon winder is directly driven while the other winder is then indirectly driven over the transfer ribbon.
  • a drive of the second transport device for the movement of the transfer belt is designed as a slip drive.
  • a slip drive can be Minimize axial bearing forces on rotating parts. Since a flexible design is possible, no high mechanical precision with respect to the storage and the drive is required so that the corresponding drive can be realized inexpensively. Furthermore, a self-adjusting system of the relevant friction surfaces can be achieved, so that a high friction torque stability is achieved.
  • a transfer belt spooler and / or a transfer belt spooler and in particular the directly driven spooler are driven with overspeed.
  • a corresponding slip which is particularly adjustable, then sets the desired speed for the winder.
  • Such a slip drive can be realized in an advantageous manner, if this comprises a particular directly driven element which is coupled to a transfer tape receptacle, wherein the coupling is non-positive.
  • the transfer belt receptacle can be rotated via the coupling via the driven element. Due to the frictional coupling, however, a certain slip can be achieved, on the turn, for example, a Reibmomentenstabilmaschine is reached.
  • the transfer tape receptacle facing the driven element has a plurality of receptacles for magnets.
  • the magnets may be electromagnets or permanent magnets.
  • the slip torque is then adjustable by equipping or wiring of magnets in the magnetic recordings.
  • adaptation to, for example, the material of the transfer belt and / or the carrier belt can also be carried out via subsequent equipping or removal of magnets. If, for example, N recordings are provided which can be equipped with M magnets, then an N ⁇ M graduation with respect to the setting of the slip moment can be achieved.
  • the non (directly) driven winder comprises a slip clutch, by means of which a transfer tape receptacle is rotatably fixed with respect to a housing of the printing device.
  • the slip clutch can be formed so that the transfer ribbon recording rotates when the other winder is driven. The torque for rotation of the transfer ribbon holder is transmitted through the transfer belt. If, however, the drive is stopped, then the slip clutch also causes the transfer tape recording is stopped via the non-rotatable fixation with respect to the housing. As a result, in turn, the transfer belt is always kept taut even when stopping the transport, so that sagging or folding or buckling and the like is avoided.
  • the fixation is done non-positively and preferably by magnetic forces.
  • the transfer tape receptacle is provided with a plurality of magnetic recordings into which magnets can be inserted.
  • the fixing force in turn is adjustable by placement or wiring of magnets in the magnetic recordings. Alone on the fixing force can adjust the torque which is required to rotate the transfer ribbon recording.
  • the transfer belt spooler and / or the transfer belt spooler prefferably have a shaft stub arranged non-rotatably, in particular with respect to a housing of the printing device, on which a sleeve rotatably seats for receiving the transfer belt.
  • a shaft stub arranged non-rotatably, in particular with respect to a housing of the printing device, on which a sleeve rotatably seats for receiving the transfer belt.
  • the invention further relates to a method for printing record carriers on a carrier tape by means of a print head, which activates a transfer belt.
  • This object is achieved in that the print head is pneumatically lifted away from the transfer belt.
  • the method according to the invention has the advantages already explained in connection with the printing device according to the invention. Further advantageous embodiments of this method have also already been explained in connection with the device according to the invention.
  • an air pulse or an air pulse train which lifts the print head away from the transfer belt, stops the transport of the transport belt.
  • FIG. 1 An embodiment of a printing device according to the invention, which in FIG. 1 as a whole is designated 10, comprises a stable housing base 12 which is adapted to receive the forces occurring.
  • This housing base 12 holds a housing (not shown in the drawing).
  • the printing device comprises a designated as a whole with 14 first transport device for transporting a carrier tape 16 to be printed information carriers through the device.
  • a designated as a whole with 18 second transport device is provided, via which a transfer belt 20 is transportable through the device.
  • Carrier tape 16 and transfer belt 20 are guided by the respective transport devices 14 and 18 so that they converge in a printing area 22, so that via activation of the transfer belt 20 by a print head 24 information carrier, such as labels, on the carrier tape 16 can be printed.
  • the transfer belt 20 is in particular a ribbon or a thermal transfer ribbon.
  • the print head 24 is formed as a thermal print head having individually controllable acicular heating elements, which cause a transfer of color from the transfer belt 20 to the information carrier on the carrier tape 16.
  • the first transport device 14 for the carrier tape 16 comprises a receptacle 26 for a carrier tape roll 28, from which carrier tape 16 for feeding to the print head 24 can be unwound.
  • the receptacle 26 is in particular not driven, wherein a rotation axis 30 for the carrier tape roll 28 transversely and in particular perpendicular to the housing base 12 is located (in FIG. 1 perpendicular to the plane of the drawing).
  • the carrier tape is unwound tangentially from the carrier tape roll 28 and aligned via deflection rollers 32, 34 so that it can be fed to the print head 24, wherein the print head 24 is arranged in particular in a corner region of the housing base 12 so that an information carrier 36, for example a label, is easily removed after printing and sufficient space for receiving the carrier tape roll 28 is provided.
  • the pulleys 32, 34 are arranged so that the carrier tape is guided after passing this pulleys 32, 34 substantially parallel to a housing base side.
  • the carrier tape 16 is deflected so that it is on the print head 24 for printing the information carrier 36 is guided past.
  • a guide surface 42 for guiding the carrier tape 16 during printing is formed on a stripping element 40.
  • the stripping element 40 is designed so that the direction of the carrier tape is changed after printing and the printed information carrier is removable on a housing slot.
  • the carrier tape is thereby guided via further deflection elements 46, 48 to a carrier tape reel 50, which receives the carrier tape after detachment of the printed information carrier 36.
  • This carrier tape winder 50 is disposed in a portion 57 of the housing base 12 which lies between the carrier tape roll receptacle 26 and the printing area 22 to provide a corresponding space for winding the carrier tape 16.
  • the carrier tape 16 detachable information carrier 36 are arranged, which are printed, or that the carrier tape in the so-called linerless process is directly printable (in this case, the carrier tape is not carrier of information carriers, but itself the information carrier)
  • the printing device must be designed in Linerless case as in the EP 0 758 979 B1 described, which is hereby incorporated by reference.
  • means are then provided which are arranged after the print head 24 and adjacent to a pressure roller to strip a portion of the (adhesive coated) carrier tape 16 from the pressure roller, so that the carrier tape 16 with the information printed on the side opposite the adhesive layer of the Printing device 10 can be removed.
  • the second transport device 18 for transporting the transfer belt 20 comprises a rotatable transfer belt unwind 52 and a rotatable and in particular directly driven transfer belt spooler 54.
  • the transfer belt 20 is unwound as a transfer belt roller 56 from the transfer belt unwind 52 and thereby becomes approximately parallel to the carrier tape 16 is guided to the print head 24, wherein at a deflecting element 59, a deflection takes place to the transfer belt 20 and the carrier tape 16 with each other to be able to bring into contact.
  • the transfer belt 20 is then passed past the print head 24, and spent transfer belt 20 is wound up by the transfer belt winder 54.
  • the axes of rotation 58 and 60 of the conveyor belt-Abspulers 52 and the conveyor-Avemspulers 54 parallel to each other substantially perpendicular to the housing base 12 and thus also parallel to the axis of rotation 30 of the receptacle 26 for the carrier tape roll 28.
  • the directions of rotation of Transferband-Avemspuler 54 and transfer belt unwinders 52 are opposite.
  • the transfer belt 20 and the carrier tape 16 are synchronized with each other for printing, so that there is substantially no relative speed between the carrier tape 16 and the transfer belt 20 during the activation of the print head 24.
  • the transfer belt is acted upon by the print head 24 in a partial area. This applied portion is removed after printing, d. H. supplied to the transfer ribbon winder 54, since this area is no longer usable for printing.
  • the transfer belt transport is braked by the second transport device 18 and in particular stopped when no printing operation is to be performed during the passage of the carrier tape 16 on the print head 24; This is particularly the case when an information carrier 36 has larger areas not to be printed.
  • the print head 24 is pivotally mounted on the housing base 12 via a print head holder 62 by means of a pivot bearing 64.
  • a pivot axis 66 is arranged parallel to the axes of rotation 58, 60.
  • the printhead holder 62 with the printhead 24 seated firmly thereon is pneumatically, ie, by pressurized air, pivotable away from the transfer belt 20.
  • a Mathdruckbeetzstoffsvortechnische 68 is provided, to which a controllable passage valve 70 is coupled.
  • a pressure line 72 leads from this passage valve to a pressurizable element 74, which is in particular a membrane.
  • This pressurizable element 74 is movable so that a pivoting movement of the print head 24 of the carrier tape 16 can be initiated by this with appropriate pressurization.
  • the pressurizable element 74 is coupled to the printhead holder 62 via a pneumatic impingement surface to effect pivotal movement of the printhead holder 62 via movement of the pressurizable element 74.
  • a holding element 76 which provides a stop surface 78 for the movement of the print head holder 62 to limit the pivoting of the print head 24 of the carrier tape 16 away.
  • This stop surface 78 is in particular arranged so that they pneumatic impingement surface of the printhead holder 62, over which the pressurizable element 74 acts on this, is opposite.
  • the stop surface 78 is in this case provided with a damping element 80, for example a felt piece, in order to avoid a hard impact.
  • a height distance 82, in which the print head 24 can be lifted apart from the carrier tape 16 to a maximum, is for example of the order of magnitude of approximately 0.5 mm or less.
  • a spring 84 which biases the print head holder 62 so that the print head 24 presses with the pressure necessary for printing the transfer belt 20 against the carrier tape 16.
  • the spring force of the spring 84 must be overcome.
  • the spring 84 acts as a return spring with a restoring force that moves the print head holder 62 with the print head 24 in the direction of the carrier tape 16 and the transfer belt 20 presses against the carrier tape 16.
  • the pneumatic loading surface of the printhead holder 62 is disposed between an urging surface of the spring 84 on the printhead holder 62 and the pivot axis 66 of the printhead holder 62.
  • the spring 84 is further arranged so that the pressing force of the print head 24, which is then exerted by the transfer belt 20 on the carrier tape 16, on the region of the guide surface 42 of the carrier tape on the stripping 40 acts.
  • the stripping element 42 is designed as a stop for the print head 24 with a damping element 86 which lies on the guide surface 42 or even forms part of this guide surface 42. By this damping element 86 a hard abutment of the print head 24 is avoided at the Abziehelement 40 in the provision of the print head holder 62.
  • From the overpressure-loading device 68 further leads a pressure line 88 to the transfer belt winder 54.
  • a pressure line 88 to the transfer belt winder 54.
  • pressurization on the pressure line 88 while the conveyor belt winder 54 can be braked and in particular stopable, so that the further transport of the transfer belt 20 is stopped.
  • the passage valve 70 can be controlled, ie in particular open and close.
  • the control takes place in time, ie, when a larger non-printing area comes, the gate valve 70 is opened, so as to pressurize the pressure lines 72 and 88 with pressure.
  • an air pulse or an air pulse train is transmitted on these pressure lines 72 and 88, which initiate the corresponding control operations for the print head 24 and the conveyor belt winder 54.
  • very fast switching operations can be realized with a switching frequency of the order of 80 Hz or faster.
  • a throttle is connected upstream (not shown in the drawing).
  • the passage valve 70 If the passage valve 70 is switched to passage, then the corresponding air pulse or pressure pulse acts on the membrane 74, which in turn acts on the pneumatic loading surface of the print head holder 62 and this pivoted away from the carrier tape 16 so that the contact pressure of the transfer belt 20 the carrier tape 16 is reduced.
  • this air pulse or pressure pulse acts on the printing line 88 and brakes and in particular stops the transfer belt winder 54, so that the further transport of the transfer belt 20 is stopped.
  • a transfer band-saving circuit can be realized, which reacts quickly with minimal mechanical coupling and minimized moving mass; the corresponding economy circuit can be used effectively and build space-saving and thus easily integrate into a housing.
  • the conveyor belt winder 54 comprises, as in FIG. 3 shown, a stub shaft 90 which is rigidly arranged rotationally fixed relative to the housing base 12. On the stub shaft 90 is rotatably seated a sleeve 92, that is, the sleeve 92 is rotatably mounted on the stub shaft 90. This sleeve 92 in turn forms a receptacle for the (used) transfer belt 20th
  • a brake 94 is arranged, which is for example a piston brake, which is connected to the pressure line 88 and which is pressure-actuatable.
  • the brake 94 includes a piston 97, the sleeve 92 braced with the stub shaft 90 when acted upon with an air pulse or an air pulse train, so that the rotation of the sleeve 92 relative to the stub shaft 90 is locked.
  • the housing base 12 On the sleeve 92, the housing base 12 is seated facing a disc-shaped flange 96, which faces the housing base 12 has a plurality of receptacles 98 for magnets 100 ( Figures 3 . 5, 6 ). Preferably, these recordings are distributed around the rotation axis 60.
  • Each individual receptacle 98 can be equipped with one or more magnets 100a, 100b (cf. FIG. 5 ).
  • a disc 102 is in particular driven directly. If the flange 96 is firmly coupled to the disk 102, then the sleeve 92 is rotated in accordance with the rotational speed of the disk 102.
  • the disk 102 and the magnet 100 can be fitted with a flange 96, a slip drive for the sleeve 92 is formed.
  • the disk 102 is made of a magnetically conductive material and in particular iron-containing material, so that the flange 96 is magnetically coupled to the disk 102.
  • a flexible member 104 for example, a felt disc is arranged between the disc 102 and the flange.
  • another flexible element 106 for example a steel thin band may be disposed on the flange 96 which is flexible enough to conform to the disc 102 and the flexible member 104 seated thereon so as to achieve optimum power transmission from the flange 96 to the disc 102.
  • the magnets 100 may be permanent magnets or electromagnets. In the case of electromagnets, these are in particular individually switchable so as to realize an externally switched clutch whose slip is externally controllable.
  • the force exerted on the disc 102 force and thus the slip torque can be adjusted.
  • the receptacles 98 of the flange 96 With permanent magnets 100, the force exerted on the disc 102 force and thus the slip torque can be adjusted.
  • the flange nine recordings then can be set when using the same magnets 100, the forces in 18 stages and thus the slip moments in 18 stages.
  • the assembly so that the slip torque or torque, which experiences the sleeve 92, are adapted to the processing parameters, for example, if the material of the carrier tape 16 and / or the material of the transfer belt 20 changes.
  • the disc 102 is driven at a speed which is higher than the desired speed for the sleeve 92, ie greater than the desired winding speed of the conveyor belt 20 on the conveyor winder 54.
  • the coupling between the sleeve 92 and the driven pulley 102 takes place about the magnetic forces of the magnet or magnets 100 on the Disc 102. With appropriate adjustment of this force, there is a relative movement between the sleeve 92 with its flange 96 to the disc 102 to obtain the desired speed of the sleeve 92; In this case, one has a slip or slippage of the flange 96 with respect to the disc 102nd
  • the slip drive thus comprises a slip clutch.
  • the conveyor belt unwind 52 which is not directly driven, is also provided with a slip clutch, as in FIG. 4 shown. Also, the conveyor belt unwind 52 has a stub shaft 108 which is rotatably connected to the housing base 12. Around the stub shaft 108, a sleeve 110 is rotatable, which serves as a receptacle for a roll of the (unused) transfer belt 20. The rotation of the sleeve 110 relative to the stub shaft 108 is mediated via the transfer belt 20 indirectly driven by the transfer belt winder 54.
  • the disc 112 is made of a magnetically conductive material such as steel with a corresponding iron content, so that the disc 112 and the sleeve 110 via the flange 114 with one or more magnets 118 can be coupled.
  • the coupling strength in turn can be adjusted by appropriate placement of the receptacles 116.
  • the shots are basically arranged as described FIG. 6 for the flange 96 described. The coupling strength is also set in the same way.
  • the sleeve 110 can be fixed relative to the housing base 12:
  • the printing device 10 functions as follows:
  • the spring 84 presses the printhead 24 via the printhead holder 62 in the direction of the Abziehelements 40 so that the printhead 24 exerts a contact pressure on the transfer belt 20 and on the carrier tape 16.
  • the carrier tape 16 and the transfer belt 20 are guided past the print head 24 in synchronism with substantially zero speed difference.
  • the control device sends a corresponding control signal to the pass-through valve 70 and this opens briefly, with typical switching frequencies of 80 Hz or more. Thereby, an air pulse or an air pulse train is output to the pressure lines 72 and 88. In turn, this simultaneously stops the directly driven conveyor belt winder 54 via the brake 94 and lifts the print head 24 away from the transfer belt 20 via the pressurizable element 74. This causes a relative speed between the carrier tape 16 and the transfer belt 20 can form when passing on the print head 24, in particular no transport of the transfer belt 20 relative to the print head 24 takes place.
  • the transfer ribbon is no longer transported, thereby also stopping the rotation of the sleeve 110 of the transfer ribbon unwind 52.
  • the slip clutch 120 while the transfer belt 20 is held taut, as mediated without torque application of the sleeve 110 (during transport of the transfer belt 20 by the transfer belt 20 itself), the sleeve 110 via the flange 114 non-rotatably coupled to the disk 112.
  • the air pulse or the air pulse sequence causes the spring 84 a provision of the print head 24 in the direction of the carrier tape 16 to allow further printing of information carriers 36.
  • the brake 94 is released, so that the sleeve 92 can continue to transport and thus the transfer belt 20 in turn is substantially synchronously with the carrier tape 16 by the printing device 10 can be transported.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Electronic Switches (AREA)
  • Common Mechanisms (AREA)

Claims (37)

  1. Dispositif d'impression pour imprimer un support d'information (36) sur une bande de support (16), comportant une tête d'impression (24), un premier dispositif de transport (14), au moyen duquel la bande de support (16) est déplacée le long de la tête d'impression (24), et un deuxième dispositif de transport (18), au moyen duquel une bande de transfert (20) est déplacée le long de la tête d'impression (24), laquelle sous l'effet de l'activation par la tête d'impression (24) induit une impression d'un support d'information (36), la pression d'appui de la tête d'impression (24) sur la bande de transfert (20), et la bande de transfert (20) et le mouvement d'avance de la bande de transfert par le deuxième dispositif de transport (18) peuvent être commandés de telle sorte que la bande de support (16) peut être déplacée le long de la tête d'impression (24) avec une différence de vitesse par rapport à la bande de transfert (20), caractérisé en ce que la tête d'impression (24) peut être levée par voie pneumatique pour s'écarter de la bande de transfert (20).
  2. Dispositif d'impression selon la revendication 1, caractérisé en ce que la tête d'impression (24) peut être levée pour s'écarter de la bande de transfert (20) sous l'effet d'une impulsion d'air ou d'une série d'impulsions d'air aptes à être commandées.
  3. Dispositif d'impression selon la revendication 2 caractérisé en ce que l'impulsion d'air ou la série d'impulsions d'air peuvent être commandées en fonction du temps.
  4. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que, en vue d'être levée à distance de la bande de transfert (20), la tête d'impression (24) est reliée à un élément (74) mobile, apte à être sollicité par une pression.
  5. Dispositif d'impression selon la revendication 4 caractérisé en ce que l'élément apte à être sollicité par une pression est une membrane (74).
  6. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que la tête d'impression (24) est montée pivotante.
  7. Dispositif d'impression selon la revendication 6, caractérisé en ce qu'une surface de sollicitation pneumatique est agencée sur un support de tête d'impression (62) en vue du déplacement de la tête d'impression (24) entre la tête d'impression (24) et un axe de pivotement (66) du support de tête d'impression (62).
  8. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que la tête d'impression (24) est disposée sous précontrainte par rapport à une surface de guidage (42) pour la bande de support (16).
  9. Dispositif d'impression selon la revendication 8, caractérisé en ce que la force de précontrainte agit pour s'écarter de la surface de guidage (42) dans le sens opposé à la force de levage pour écarter la tête d'impression (24).
  10. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une butée (78) pour la tête d'impression (24) pour le mouvement l'écartant de la bande de transfert (20).
  11. Dispositif d'impression selon la revendication 10, caractérisé en ce que la butée (78) est disposée en regard d'une surface de sollicitation pneumatique d'un support de tête d'impression (62).
  12. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il faut prévoir une butée pour le mouvement de la tête d'impression (24) vers une surface de guidage (42) de la bande de support (16).
  13. Dispositif d'impression selon la revendication 12, caractérisé en ce que la butée se situe à proximité de la surface de guidage (42) ou forme au moins une partie de la surface de guidage (42).
  14. Dispositif d'impression selon l'une quelconque des revendications 11 à 13, caractérisé en ce qu'une butée (78 ; 42) est munie d'un élément d'amortissement (80 ; 86).
  15. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une surface de guidage (42) pour la bande de support (16) pendant l'impression est formée sur un élément de tirage (40) pour la bande de support (16).
  16. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que le mouvement de la tête d'impression (24) peut être commuté avec une fréquence de commutation de 80 Hz ou plus vite.
  17. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième dispositif de transport (18) comporte un dérouleur de bande de transfert (52) et un enrouleur de bande de transfert (54).
  18. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que le transport de la bande de transfert (20) peut être stoppé par voie pneumatique par l'intermédiaire du deuxième dispositif de transport (18).
  19. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième dispositif de transport (18) peut être synchronisé avec le mouvement de la tête d'impression (24).
  20. Dispositif d'impression selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une impulsion d'air ou une série d'impulsions d'air pour le mouvement de la tête d'impression (24) l'écartant de la bande de transfert (20) induit en même temps un freinage du mouvement de la bande de transfert (20).
  21. Dispositif d'impression selon la revendication 20, caractérisé en ce que l'impulsion d'air ou la série d'impulsions d'air actionnent un frein (94) d'un dérouleur de bande de transfert (52) et/ou d'un enrouleur de bande de transfert (54).
  22. Dispositif d'impression selon l'une quelconque des revendications 17 à 21, caractérisé en ce que le dérouleur de bande de transfert (52) est actionné indirectement.
  23. Dispositif d'impression selon le préambule de la revendication 1 ou l'une quelconque des revendications précédentes, caractérisé en ce qu'un système d'entraînement du deuxième dispositif de transport (18) pour le mouvement de la bande de transfert (20) est réalisé sous la forme d'un entraînement à glissement.
  24. Dispositif d'impression selon la revendication 23, caractérisé en ce qu'un enrouleur de bande de transfert (54) et/ou un dérouleur de bande de transfert (52) sont actionnés en survitesse.
  25. Dispositif d'impression selon la revendication 23 ou 24, caractérisé en ce que l'entraînement à glissement comporte un élément (102) actionné directement, qui est couplé à un élément de réception (92) de la bande de transfert, le couplage étant un assemblage par force.
  26. Dispositif d'impression selon la revendication 25, caractérisé en ce que l'élément (102) actionné et l'élément de réception (92) de la bande de transfert sont couplés par voie magnétique.
  27. Dispositif d'impression selon la revendication 26, caractérisé en ce que l'élément de réception (92) de la bande de transfert, dans la zone orientée vers l'élément (102) actionné, comporte une pluralité de logements (98) pour des aimants (100).
  28. Dispositif d'impression selon la revendication 27, caractérisé en ce que le couple de glissement peut être réglé par l'agencement des aimants (100) dans les logements (98) ou par le passage du courant à travers lesdits aimants.
  29. Dispositif d'impression selon l'une quelconque des revendications 17 à 28, caractérisé en ce que l'enrouleur de bande de transfert (54) est actionné directement ou l'enrouleur de bande de transfert (54) et le dérouleur de bande de transfert (52) sont actionnés directement.
  30. Dispositif d'impression selon la revendication 29, caractérisé en ce que le dérouleur (52) non actionné directement comporte un couplage par frottement (120), par lequel un élément de réception (110) de la bande de transfert peut être fixé de manière immobile en rotation par rapport à un carter.
  31. Dispositif d'impression selon la revendication 30, caractérisé en ce que la fixation est effectuée par un assemblage par force.
  32. Dispositif d'impression selon la revendication 30 ou 31, caractérisé en ce que la fixation est effectuée par des forces magnétiques.
  33. Dispositif d'impression selon l'une quelconque des revendications 30 à 32, caractérisé en ce que l'élément de réception (110) de la bande de transfert est muni d'une pluralité de logements (116) pour des aimants.
  34. Dispositif d'impression selon la revendication 33, caractérisé en ce que la force de fixation peut être réglée par l'agencement des aimants (118) dans les logements (116) ou par le passage du courant à travers lesdits aimants.
  35. Dispositif d'impression selon l'une quelconque des revendications 17 à 34, caractérisé en ce que pour l'enrouleur de bande de transfert (54) et/ou le dérouleur de bande de transfert (52), il est prévu un bout d'arbre (90 ; 108), qui est monté immobile en rotation et sur lequel est monté rotatif un manchon (92 ; 110) destiné à recevoir la bande de transfert (20).
  36. Procédé pour imprimer des supports d'enregistrement sur une bande de support au moyen d'une tête d'impression, qui active une bande de transfert, caractérisé en ce que la tête d'impression peut être levée par voie pneumatique pour s'écarter de la bande de transfert (20).
  37. Procédé selon la revendication 36, caractérisé en ce qu'une impulsion d'air ou une série d'impulsions d'air, qui lèvent la tête d'impression en l'écartant de la bande de transfert, arrêtent le transport de la bande de transfert.
EP03722392A 2002-04-23 2003-04-03 Dispositif d'impression et procede d'impression d'un support d'information Expired - Lifetime EP1497136B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10218842A DE10218842B4 (de) 2002-04-23 2002-04-23 Druckvorrichtung und Verfahren zum Bedrucken eines Informationsträgers
DE10218842 2002-04-23
PCT/EP2003/003475 WO2003091036A1 (fr) 2002-04-23 2003-04-03 Dispositif d'impression et procede d'impression d'un support d'information

Publications (2)

Publication Number Publication Date
EP1497136A1 EP1497136A1 (fr) 2005-01-19
EP1497136B1 true EP1497136B1 (fr) 2011-06-15

Family

ID=29224815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03722392A Expired - Lifetime EP1497136B1 (fr) 2002-04-23 2003-04-03 Dispositif d'impression et procede d'impression d'un support d'information

Country Status (8)

Country Link
US (1) US6977668B2 (fr)
EP (1) EP1497136B1 (fr)
JP (1) JP2005523189A (fr)
AT (1) ATE512801T1 (fr)
AU (1) AU2003229601A1 (fr)
DE (1) DE10218842B4 (fr)
ES (1) ES2367983T3 (fr)
WO (1) WO2003091036A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11491804B2 (en) 2019-12-18 2022-11-08 Bizerba SE & Co. KG Label printer
US11504987B2 (en) 2019-12-18 2022-11-22 Bizerba SE & Co. KG Label printer
US11504979B2 (en) 2019-12-18 2022-11-22 Bizerba SE & Co. KG Label printer
US11511553B2 (en) 2019-12-18 2022-11-29 Bizerba SE & Co. KG Label printer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005051471A1 (de) 2005-10-21 2007-05-16 Bizerba Gmbh & Co Kg Vorrichtung zur Bereitstellung von aktivierten Indikatoren zur Warenkennzeichnung, Warenkennzeichnung und Verfahren zur Bereitstellung von Indikatoren zur Warenkennzeichnung
CN102056746B (zh) * 2008-06-13 2012-10-17 勃来迪环球股份有限公司 具有均匀载荷的打印头
US9058836B2 (en) * 2009-01-29 2015-06-16 Hewlett-Packard Development Company, L.P. Data transfer apparatus

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US4172671A (en) * 1977-12-02 1979-10-30 Facit Aktiebolag High speed printer having a pneumatically actuated printing head
DE3319466C1 (de) 1983-05-28 1984-03-01 C. Reichert Optische Werke AG, 1170 Wien Magnetische Kupplung fuer Teile eines optischen Geraets
DE3510260A1 (de) * 1985-03-21 1986-10-02 Nixdorf Computer Ag, 4790 Paderborn Thermotransferdruckeinrichtung
US4879566A (en) * 1987-01-13 1989-11-07 Canon Kabushiki Kaisha Thermal recording apparatus
DE3810464A1 (de) 1987-05-09 1988-11-24 Werner Hermann Etikettiermaschine
GB8711404D0 (en) * 1987-05-14 1987-06-17 Portals Eng Ltd Thermal label printers
JPS6411869A (en) * 1987-07-06 1989-01-17 Canon Kk Ink jet recorder
US5757389A (en) * 1991-09-25 1998-05-26 Horst Schwede Printing device for objects, which are continously moved forward, in particular for parcels, wrapped magazine piles or the like
DE4230164C2 (de) * 1992-09-09 1994-07-07 Seuster Gmbh Co Kg Geb Vorrichtung zum Bedrucken von flächigen Substraten
DE4332562A1 (de) 1993-09-24 1995-03-30 Esselte Meto Int Gmbh Druckmaschine zum Bedrucken eines Aufzeichnungsträgers mittels eines Thermotransferbands
EP0646469A3 (fr) 1993-09-24 1996-05-15 Esselte Meto Int Gmbh Machine à imprimer.
GB2300603A (en) * 1994-11-10 1996-11-13 Open Date Equipment Ltd Thermal transfer printing apparatus having transfer material guide means
JPH09193399A (ja) * 1996-01-12 1997-07-29 Canon Inc インクジェット記録方法および記録装置
DE19836566A1 (de) 1998-08-12 2000-02-17 Homag Maschinenbau Ag Bearbeitungszentrum mit Heißprägeaggregat, einwechselbares Heißprägeaggregat und Bearbeitungszentrum mit speziellem Speichermagazin für ein derartiges Heißprägeaggregat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11491804B2 (en) 2019-12-18 2022-11-08 Bizerba SE & Co. KG Label printer
US11504987B2 (en) 2019-12-18 2022-11-22 Bizerba SE & Co. KG Label printer
US11504979B2 (en) 2019-12-18 2022-11-22 Bizerba SE & Co. KG Label printer
US11511553B2 (en) 2019-12-18 2022-11-29 Bizerba SE & Co. KG Label printer

Also Published As

Publication number Publication date
JP2005523189A (ja) 2005-08-04
ES2367983T3 (es) 2011-11-11
US6977668B2 (en) 2005-12-20
ATE512801T1 (de) 2011-07-15
AU2003229601A1 (en) 2003-11-10
US20050024472A1 (en) 2005-02-03
DE10218842B4 (de) 2005-03-17
WO2003091036A1 (fr) 2003-11-06
DE10218842A1 (de) 2003-11-13
EP1497136A1 (fr) 2005-01-19

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