EP0268079B1 - Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen - Google Patents

Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen Download PDF

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Publication number
EP0268079B1
EP0268079B1 EP87115103A EP87115103A EP0268079B1 EP 0268079 B1 EP0268079 B1 EP 0268079B1 EP 87115103 A EP87115103 A EP 87115103A EP 87115103 A EP87115103 A EP 87115103A EP 0268079 B1 EP0268079 B1 EP 0268079B1
Authority
EP
European Patent Office
Prior art keywords
ink
roller
inking roller
ribbon
ink ribbon
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
Application number
EP87115103A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0268079A1 (de
Inventor
Egon Schneider
Georg Kettler
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.)
Krones AG
Original Assignee
Krones AG Hermann Kronseder Maschinenfabrik
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
Priority claimed from DE19863635923 external-priority patent/DE3635923A1/de
Application filed by Krones AG Hermann Kronseder Maschinenfabrik filed Critical Krones AG Hermann Kronseder Maschinenfabrik
Publication of EP0268079A1 publication Critical patent/EP0268079A1/de
Application granted granted Critical
Publication of EP0268079B1 publication Critical patent/EP0268079B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/46—Applying date marks, code marks, or the like, to the label during labelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/16—Continuous, e.g. endless, band apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/54—Inking devices
    • B41K3/58—Inking devices using ink ribbons, ink sheets, or carbon tape or paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/33—Ink transfer employing one or more belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1744—Means bringing discrete articles into assembled relationship
    • Y10T156/1776—Means separating articles from bulk source
    • Y10T156/1778—Stacked sheet source
    • Y10T156/178—Rotary or pivoted picker

Definitions

  • the present invention relates to a device for printing labels in labeling machines, with a stamp head, a rotating ink roller and with a color from a ink container to the ink roller-conveying, rotating ink ribbon that touches the outer circumference of the ink roller.
  • Such printing devices are generally used in labeling machines for beverage filling systems. These printing devices serve e.g. for printing filling or expiry dates on the container label. This printing process can be done on the label container, the glue pallet, the gripper cylinder or directly on the already labeled container.
  • the arrangement of the pressure devices on the filling systems is very unfavorable for maintenance work, since the devices are difficult to access.
  • there is no time for the operating personnel to carry out control work on the printing device since the operating personnel are already fully occupied with glue and label refills. It is desirable that the printing device is not only low-maintenance, but also meets high printing quality requirements.
  • a printing device of the type mentioned is known from DE-OS 35 30 352.
  • an endless ink ribbon guided over deflection rollers is used as the ink ribbon, which is immersed in an ink container arranged below the inking roller. Due to the continuous movement of the ink ribbon, the ink is transported upwards and released to the inking roller.
  • the inking roller is provided with a rubber pad in order to achieve the most even ink application possible. Nevertheless, it happens that streaks form on the inking roller, that is, areas of different ink thicknesses that affect the printing result.
  • the stamp head has steel types that are permanently imprinted in the rubber coating of the inking roller.
  • the ink ribbon is arranged in the area of contact between the ink ribbon and the ink roller with its longitudinal extent substantially transverse to the direction of rotation of the ink roller.
  • the ink ribbon is arranged approximately at right angles to the direction of rotation of the ink roller. This ensures that the ink ribbon ensures a distribution of the ink on the outside of the inking roller transversely to its direction of rotation.
  • the ink roller is rounded at its edges. In this way, on the one hand, the durability of the ink ribbon is improved, on the other hand, a small, if only slight, ink bead is formed between the ink ribbon and the rounded edge of the inking roller, which promotes the even distribution of the ink on the surface of the inking roller.
  • the inking roller is designed as a steel roller.
  • this reduces the coefficient of friction between the ink ribbon and the inking roller, which benefits the life of the ink ribbon, on the other hand, the types of the stamp head no longer leave impressions in the inking roller, so that the ink on the outer surface of the inking roller even after a long period of operation of the printing device is distributed.
  • the stamp head is designed as a type wheel with rubber types. It is known that the rubber types remove the ink very well from the steel roller without the surface of the steel roller being in any way impaired. The wear of the rubber types is negligible, since when printing data, e.g. of the bottling date, the types have to be changed every day anyway. It is also advantageous for a uniform ink application that the circulating ink ribbon is designed as an endless ink ribbon guided over deflection rollers, the deflection rollers having a spherical outer surface. Through this spherical surface, the ribbon is centered on the pulleys without any guide bar or the like on the edges of the ribbon. attacks. This protects the edges of the ribbon so that the color applied through the center of the ribbon cannot be blurred by frayed edges.
  • one of the deflection rollers is designed as a spring-supported tension roller, since experience has shown that the ribbons lengthen after some time in operation.
  • the tensioning roller is mounted on a double-armed rocker on which a tensioning spring engages.
  • This rocker can dip into the paint sump in the paint container.
  • the pivot axis of the rocker is always lubricated so that the operability of the tensioning device cannot be impaired by dried paint or the like.
  • the ink ribbon and the deflection rollers are integrated in the ink tank, the ink ribbon in the ink tank being drivable synchronously with the inking roller via a releasable coupling, so that it depends on the labeling performance of the ink from a lower ink sump the ink roller transported.
  • the special feature of this solution lies in the ink transfer from the container to the inking roller by means of an ink conveyor which is integrated in a compact, cassette-shaped container and can be driven and decoupled from the machine.
  • the arrangement of an integrated ink ribbon, which can be driven synchronously with the inking roller via a releasable coupling ensures that the containers can be changed even when the machine is running.
  • the coupling-capable drive elements used for this have sufficiently large toothing tolerances that can be easily merged with a running and a stationary part. Simple sliding guides with stops and corresponding locks are provided to fix the containers.
  • the continuous ink ribbon is guided over rollers through an ink sump located in the lower part of the ink container. Possibly. excess ink is stripped off on the way to the inking roller by the guide and deflection rollers.
  • One of these deflection rollers is driven by the ink roller shaft by a worm gear.
  • the above-mentioned spring-loaded tensioning roller causes the ribbon to be pretensioned sufficiently high so that it lies tightly between two deflection rollers without additional pressing elements on the inking roller. This guarantees an excellent ink transition, since the tape runs across the cylindrical circumferential surface of the inking roller perpendicularly to the circumferential plane of the ink roller, a narrow and compact ink container in the manner of a cassette can advantageously be used.
  • the ink ribbon is brought into contact with an elongated guide plate in an area in front of the point of contact with the inking roller.
  • This elongated guide plate prevents the ribbon from drying out quickly when it is idle. Since the ribbon is in contact with the guide plate over a long area until just before the point of contact and is kept moist, this measure allows you to start printing immediately after switching on the printing unit.
  • the remaining part of the ribbon between the ink sump and the point of contact insofar as it is not covered by the guide plate, picks up paint adhering to the guide plate as it passes, so that this part of the ribbon, too, even if the ink has dried up a bit there, can be used immediately for printing.
  • the device 1 according to the invention for printing labels is shown in a plan view, as it is arranged in a labeling machine.
  • the partially indicated labeling machine has a drum-shaped carrier 2 on which several glue pallets 3 are rotatably mounted.
  • a fixed label magazine 4 is also arranged on the outer circumference of the carrier 2.
  • a rotatably mounted stamp head 5 is arranged behind the label magazine 4 in the direction of rotation of the carrier 2 such that it affects the circumference of a glue pallet 3.
  • the device 1 is arranged such that it is in operative connection with the stamp head 5.
  • FIGS. 2 and 3 A first embodiment of the device according to the invention is shown in detail in FIGS. 2 and 3.
  • the device 1 comprises an inking roller 6 rotating around a vertical axis and an inking ribbon 7 also rotating, which conveys ink from an ink container 8 to the inking roller 6.
  • the ink ribbon is arranged in the area of contact between the ink ribbon 7 and the inking roller 6 with its longitudinal extent essentially transversely to the direction of rotation of the inking roller.
  • the longitudinal extent of the ink ribbon 7 even includes a right angle with the direction of rotation of the inking roller 6.
  • the inking roller 6 has rounded edges 9 and 10, respectively.
  • the inking roller 6 is made entirely of steel, so that the outer circumference of the inking roller 6 touching the ink ribbon 7 also has a steel surface.
  • the peripheral ink ribbon 7 is guided over deflection rollers 11, 12, 13 and 14.
  • the deflection rollers have a spherical outer surface which always centers the ink ribbon 7 on the deflection rollers 11 to 14.
  • the deflecting roller 14 extending into the ink container 8 is designed as a spring-supported tensioning roller.
  • a double-armed rocker 16 on which the tensioning roller 14 is mounted, is attached to a carrier 15 which extends deep into the ink container 8.
  • a tension spring 17 engaged on the carrier 15 engages.
  • the endless ink ribbon 7 is driven in the direction indicated by the arrow.
  • the drive takes place via a worm 19 mounted on the shaft 18 of the inking roller 6 onto a worm wheel 20 which is connected in a rotationally fixed manner to the upper deflection roller 11 (cf. FIG. 3).
  • the ink ribbon is in the one indicated by the arrow Direction of rotation seen in the area immediately in front of the point of contact on the inking roller 6 over a longer section in contact with a guide plate 21.
  • the guide plate 21 has end regions 22 and 23 bent upwards. The bent end 23 assigned to the inking roller 6 serves to deflect the ink ribbon 7.
  • the guide plate 21 is designed in the form of an angle, for example a steel angle, and with the leg 24 on the side of the ink roller housing attached. The guide plate 21 prevents the ink ribbon 7 from drying out when the ribbon is at a standstill because the ribbon remains in contact with the guide plate even when it is at a standstill and therefore cannot dry out. As a result, an immediate printing process is possible when restarting after a print standstill.
  • the stamp head 5 shown in FIG. 1 is designed as a type wheel with exchangeable rubber types.
  • a paint container 8 is inserted or screwed into the housing of the device 1 from below.
  • the tensioning roller 14 attached to the carrier 15 dips the ink ribbon 7 into the ink sump in the container 8. If the device 1 is now put into operation, the shaft 18 rotates and drives the ink ribbon 7 via the worm 19 and the worm wheel 20. At the same time, the steel roller 6 is driven directly. In the area of contact between the ink ribbon 7 and the inking roller 6, the ink ribbon 7 runs essentially vertically upwards, while the peripheral surface of the inking roller 6 moves in a horizontal direction.
  • the rubber types of the stamp head 5 designed as a type wheel remove the ink from the surface of the steel roller 6 and apply it to the labels on the glue pallets 3.
  • the material of the ribbon 7 can be polyester fabric. In connection with the steel roller 6 there is a favorable material pairing which significantly reduces the wear of the ink ribbon 7.
  • the entire mechanism for the rotating ink ribbon 7 is attached to the ink roller housing itself.
  • Such a type is shown in Figures 4 and 5.
  • a peripheral ink ribbon is integrated in the ink container, which can be driven synchronously with the inking roller via a releasable coupling, so that it transports the ink from the underlying ink sump onto the inking roller 60 depending on the labeling performance.
  • the releasable coupling is brought about by the interaction of the worm wheel 190 with the gear 45.
  • All the deflection rollers required for driving the ink ribbon 70 and for tensioning and feeding the ink ribbon past the inking roller 60 are arranged within the ink cartridge 80, so that the cartridge 80 can be exchanged together with the ink ribbon in the manner of a cassette.
  • the plastic ink container housing 81 which is separable for assembly, can be inserted laterally into a slot milled vertically into the ink roller housing 50, the precise position of the ink container 80, which is important for the drive teeth, being provided by stop pieces 42 attached to it laterally (see FIG. 5) slide in groove-shaped guides 43 is guaranteed.
  • the ink container 80 is locked by a spring-loaded securing bolt 41 lying in the ink roller housing 50.
  • This plastic ink container 80 has on its side in the slot of the ink roller housing 50 two horizontal openings for the inlet of the ink roller 60 and the worm wheel 190, in which the slightly beveled gear 45, which is made in one piece with the drive roller 44, engages.
  • the endlessly woven polyester ink ribbon 70 is guided over a total of six deflection rollers mounted on bolts in the ink tank 80 in such a way that it sweeps past this ink roller from bottom to top perpendicular to the direction of rotation of the ink roller 60.
  • deflection rollers 46 and 47 are arranged, which also serve as ink wiping rollers and unroll the tape on both sides.
  • the deflecting roller 48 lying in the ink sump is mounted at a distance from the bottom of the ink tank so that the dirt particles that enter the ink sump via the ink ribbon can be deposited on the floor undisturbed.
  • a sensor 55 for example operating with high-frequency microwaves, can sit in the inking roller housing 50 to the side of the inking roller 60, which detects the surface moisture on the inking roller 60 and, if the value falls below a minimum setpoint, e.g. due to lack of color or ribbon break, a signal to a display or automatic ink container exchange device. Depending on the type of sensor used, either the staff is alerted by the display or a gripper device for cassette change is automatically activated.
  • These individual ink tanks 80 can be accommodated in the manner of adjacent cartridges in a magazine, which can be arranged transversely displaceably at a suitable height in front of the ink roller housing 50, so that each ink tank only has to be pushed out or in by a gripper.
  • the mode of operation of the embodiment according to FIGS. 4 and 5 corresponds to the mode of operation as has been explained with reference to the first embodiment.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Labeling Devices (AREA)
EP87115103A 1986-10-22 1987-10-15 Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen Expired EP0268079B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3635923 1986-10-22
DE19863635923 DE3635923A1 (de) 1986-10-22 1986-10-22 Vorrichtung zum bedrucken von etiketten in etikettiermaschinen
DE8706876U DE8706876U1 (de) 1986-10-22 1987-05-13 Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen
DE8706876U 1987-05-13

Publications (2)

Publication Number Publication Date
EP0268079A1 EP0268079A1 (de) 1988-05-25
EP0268079B1 true EP0268079B1 (de) 1989-08-23

Family

ID=25848680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115103A Expired EP0268079B1 (de) 1986-10-22 1987-10-15 Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen

Country Status (4)

Country Link
US (1) US4824514A (es)
EP (1) EP0268079B1 (es)
DE (2) DE8706876U1 (es)
ES (1) ES2009827B3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657066A (en) * 1992-10-02 1997-08-12 Zebra Technologies Corporation Thermal demand printer
DE3927934A1 (de) * 1989-08-24 1991-02-28 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten in etikettiermaschinen
DE3942525A1 (de) * 1989-12-22 1991-06-27 Licentia Gmbh Druckwerk mit farbwerk
US5746522A (en) * 1996-12-11 1998-05-05 Ncr Corporation Liquid tank re-inker using ball transfer mechanism
US6149329A (en) * 1998-01-22 2000-11-21 Raja Tuli Versatile printing mechanism
JP3785782B2 (ja) * 1998-01-27 2006-06-14 住友電気工業株式会社 ガラスロッド延伸用加熱炉及びガラスロッドの延伸方法
DE10325559B3 (de) * 2003-06-05 2004-12-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Herstellen eines Systems mit einer an einer vorbestimmten Stelle einer Oberfläche eines Substrats aufgebrachten Komponente
US20080222912A1 (en) * 2007-03-17 2008-09-18 Krones Ag Device and method for drying containers
US8922611B1 (en) 2013-10-09 2014-12-30 Markem-Imaje Corporation Apparatus and method for thermal transfer printing
US10449781B2 (en) 2013-10-09 2019-10-22 Dover Europe Sarl Apparatus and method for thermal transfer printing
US11040548B1 (en) 2019-12-10 2021-06-22 Dover Europe Sarl Thermal transfer printers for deposition of thin ink layers including a carrier belt and rigid blade

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1512300A (en) * 1921-08-29 1924-10-21 Electric Fruit Marking Co Inking device for marking machines
US3774538A (en) * 1970-11-27 1973-11-27 Polaroid Corp Ink web cassette for rotary printing system
DE8231824U1 (de) * 1982-11-12 1985-10-03 Jagenberg AG, 4000 Düsseldorf Etikettierstation einer Etikettiermaschine mit einem Druckwerk für die Etiketten
DE3335261A1 (de) * 1983-09-20 1985-04-04 Pirzer, Carl, 8402 Neutraubling Etikettiervorrichtung
DE3411851A1 (de) * 1984-03-30 1985-10-10 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Vorrichtung zum bedrucken von etiketten, insbesondere in etikettiermaschinen
DE3530352A1 (de) * 1985-08-24 1987-03-05 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten, insbesondere in etikettiermaschinen

Also Published As

Publication number Publication date
ES2009827B3 (es) 1989-10-16
EP0268079A1 (de) 1988-05-25
US4824514A (en) 1989-04-25
DE8706876U1 (de) 1987-12-10
DE3760469D1 (en) 1989-09-28

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