EP0414259B1 - Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen - Google Patents

Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen Download PDF

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Publication number
EP0414259B1
EP0414259B1 EP90116257A EP90116257A EP0414259B1 EP 0414259 B1 EP0414259 B1 EP 0414259B1 EP 90116257 A EP90116257 A EP 90116257A EP 90116257 A EP90116257 A EP 90116257A EP 0414259 B1 EP0414259 B1 EP 0414259B1
Authority
EP
European Patent Office
Prior art keywords
inking
inking roller
roller
belt
driven
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
EP90116257A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0414259A1 (de
Inventor
Heinz Stangler
Georg Gertlowski
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
Application filed by Krones AG Hermann Kronseder Maschinenfabrik filed Critical Krones AG Hermann Kronseder Maschinenfabrik
Publication of EP0414259A1 publication Critical patent/EP0414259A1/de
Application granted granted Critical
Publication of EP0414259B1 publication Critical patent/EP0414259B1/de
Anticipated expiration legal-status Critical
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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

Definitions

  • the invention relates to a device for printing labels according to the preamble of claim 1.
  • the drying of the printing ink can result in the first bottles or the like being put back on when the labeling machine is put back into operation receive an incorrect print until a freshly colored area of the ink ribbon comes into contact with the inking roller.
  • the corresponding bottles or the like must then be sorted out manually or automatically.
  • the invention has for its object to improve a generic device for printing labels in such a way that even after prolonged downtimes there is no disadvantageous drying of ink on the ink ribbon and an immediate start of printing is guaranteed.
  • the "rigid" synchronization of the inking roller and the ink ribbon previously considered indispensable is eliminated and the ink ribbon can be driven further at any speed when the labeling machine and thus the inking roller are stationary.
  • the ink supply to the ink roller is therefore never interrupted and it resumes when you restart Labeling machine immediately a proper printing process.
  • the speed of the ink ribbon in idle can be very low, since no ink is consumed and it is only necessary to keep the ink ribbon or the pressurized point of the ink roller moist.
  • the idling of the ink ribbon is limited to relatively rare operating conditions and, on the other hand, the generic devices generally work anyway with a very low contact pressure and high slip between the ink ribbon and the ink roller, the long service life of the ink ribbon is not impaired.
  • the independent drive of the ink ribbon is advantageously used in accordance with the further development of the invention specified in claim 7 in order to, e.g., with the labeling machine running and a blocking of the label removal, e.g. due to a lack of bottles in the inlet, to reduce the circulation speed of the ribbon. This counteracts the spraying of unnecessary ink.
  • the auxiliary motor is connected to the housing of the printing device to form a structural unit. This makes handling and cleaning much easier.
  • the labeling machine shown only partially in FIG. 1 has a drum-shaped carrier 2 on which a plurality of glue pallets 3 are rotatably mounted.
  • a glue roller (not shown) for gluing the glue pallets 3 and a likewise not shown glue that pulls the labels off the glue pallets 3 and onto the labeling objects, e.g. Bottles, pressing gripper cylinder arranged.
  • the above-mentioned elements are mounted in a gear housing 19 or fastened to it. They are driven synchronously to one another in the direction of the arrow, specifically via a gear train indicated by the broken line in FIG. 2 through the main motor 25 of the labeling machine. This also drives the transport devices, not shown, for the labeling objects, e.g. a turntable for bottles.
  • FIG. 1 seen in the direction of rotation of the carrier 2, behind the label magazine 4 there is a device, generally designated 1, for printing the labels removed from the label magazine 4 and adhering to the glue pallets 3.
  • the device 1 has a stamp head 5 provided on the circumference with printing types, not shown, which is mounted in the gear housing 19 and is driven synchronously with the carrier 2 at a circumferential speed corresponding to the peripheral speed of the glue pallets 3.
  • the stamp head 5, like the carrier 2, has a vertical axis of rotation.
  • the device 1 further comprises an ink roller 6 which also rotates about a vertical axis and which is seated on a spline shaft 18 in a rotationally fixed but removable manner.
  • the spline shaft 18 is in turn mounted in the gear housing 19 and is driven synchronously with the stamp head 5 at the same peripheral speed as the printing types.
  • an endless ink ribbon 7 is provided which conveys ink to the inking roller 6 from an ink container 8 which is lower than the inking roller 6.
  • the ink ribbon 7 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 6.
  • the longitudinal extent of the ink ribbon 7 forms a right angle with the direction of rotation of the inking roller 6 and the ink ribbon 7 runs in a vertical plane.
  • 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 ribbon 7 consists of a polyester fabric.
  • the peripheral ink ribbon 7 is guided over deflection rollers 11, 12, 13 and 14 and a deflection bolt 30.
  • 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 rod 15 which extends deep into the paint container 8 and is fastened to the housing 26.
  • a tension spring 17 attached to the rod 15 engages.
  • the ink ribbon 7, in its direction of rotation indicated by the arrow, is guided 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 has the leg 24 on the side of the housing 26 attached. In the free circulation area formed between the end 23 and the deflecting bolt 30, the ink ribbon 7 lies against the inking roller 6 with slight pressure.
  • a worm gear 27 is laterally attached to the outside of the housing 26 and is connected on the driven side in a rotationally fixed manner to a drive shaft 20 mounted in the housing 26. On this drive shaft 20 is the as Drive roller for the ribbon 7 trained top pulley 11 attached. The remaining deflection rollers 12, 13 and 14 are freely rotatable.
  • the housing 26 thus forms, together with the electric motor 28 and the worm gear 27, a closed structural unit which as a whole can be adjusted in height or removed from the labeling machine, for example for cleaning purposes. In order to facilitate removal, the energy supply to the electric motor 28 takes place via a detachable plug 29.
  • the ink ribbon 7 is thus driven completely independently of the main motor 25 of the labeling machine by the electric motor 28, which only drives the stamp head 5 and the inking roller 6 from the device 1.
  • the electric motor 28 There are several options for controlling the electric motor 28 depending on the operating state of the labeling machine:
  • the ink ribbon 7 in the production operation of the labeling machine is driven permanently by the electric motor 28 at a certain rotational speed, regardless of whether the main motor 25 and thus the inking roller 6 are running or at a standstill, for example after an emergency stop or a bottle shortage.
  • the circulation speed must be sufficiently high to ensure sufficient ink supply to the inking roller 6 at full output of, for example, 30,000 labels per hour.
  • a feed of the ink ribbon 7 of approximately 2 mm is sufficient to supply the amount of ink required for printing, the corresponding amount is Circulation speed of the ribbon 7 one meter per minute. This extremely low speed compared to the rotational speed of the inking roller 6 does not cause any problems when the inking roller 6 is stationary, neither with regard to the wear of the ink ribbon 7 nor with regard to undesired ink accumulations on the inking roller 6.
  • the ribbon 7 is driven in the production operation of the labeling machine by the electric motor 28 with two different circulation speeds, depending on whether the main motor 25 is rotating or at a standstill. If the main motor 25 and thus the inking roller 6 are running, the ink ribbon 7 is constantly driven at the higher speed, e.g. with a maximum output of 80,000 bottles per hour. at three meters per minute. If the main motor 25 and thus the inking roller 6 are stopped, the ink ribbon 7 is constantly at a lower speed of e.g. 1.5 meters per minute. In this way, on the one hand, sufficient ink supply is ensured with maximum labeling performance and, on the other hand, excessive ink accumulation on the stationary inking roller is avoided.
  • the ink ribbon 7 is driven synchronously with the main motor 25 by the electric motor 28 when the main motor 25 is running. This can be done, for example, by a common control of the main motor 25 and the electric motor 28 or by means of a regulation of the electric motor 28 by means of a tachometer generator which scans a rotating element driven by the main motor 25. With the main motor 25 stationary, a constant minimum speed for the ink ribbon 7 is also sufficient here.
  • the three previously described alternatives for the control of the electric motor 28 have in common that the ink ribbon 7 continues to rotate with the ink roller 6 at a relatively low speed.
  • the ink application on the ink ribbon 7 is thus continuously refreshed and renewed when immersed in the ink reservoir in the ink tank 8, so that drying of the ink on the ink ribbon 7 is absolutely avoided.
  • the ink conveyed up to the stationary inking roller 6 lubricates, so to speak, the contact point between the ink ribbon 7 and the inking roller 6 and is largely stripped off at the inking roller 6 or runs back into the ink container 8 in the housing 27 and it can be started immediately when the inking roller 6 and the stamp head 5 restart.

Landscapes

  • Labeling Devices (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP90116257A 1989-08-24 1990-08-24 Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen Expired - Lifetime EP0414259B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3927934 1989-08-24
DE3927934A DE3927934A1 (de) 1989-08-24 1989-08-24 Vorrichtung zum bedrucken von etiketten in etikettiermaschinen

Publications (2)

Publication Number Publication Date
EP0414259A1 EP0414259A1 (de) 1991-02-27
EP0414259B1 true EP0414259B1 (de) 1992-06-03

Family

ID=6387765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116257A Expired - Lifetime EP0414259B1 (de) 1989-08-24 1990-08-24 Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen

Country Status (6)

Country Link
EP (1) EP0414259B1 (enrdf_load_stackoverflow)
JP (1) JPH0717082B2 (enrdf_load_stackoverflow)
BR (1) BR9004178A (enrdf_load_stackoverflow)
CA (1) CA2023903A1 (enrdf_load_stackoverflow)
DE (2) DE3927934A1 (enrdf_load_stackoverflow)
ES (1) ES2032147T3 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006001204C5 (de) * 2006-01-10 2015-06-18 Khs Gmbh Verfahren zum Etikettieren von Flaschen oder dergleichen Behältern sowie Etikettiermaschine zum Durchführen des Verfahrens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216184B (de) * 1957-12-30 1966-05-05 Geo J Meyer Mfg Company Etikettiermaschine
DE2105383A1 (de) * 1971-02-05 1972-10-05 Anker Werke Ag Kassettenartige Einfärbevorrichtung, insbesondere für datenverarbeitende Maschinen und Geräte
US4036132A (en) * 1975-11-13 1977-07-19 Interface Mechanisms, Inc. Label stripping apparatus for label printers
DE3225378A1 (de) * 1982-07-07 1984-01-12 Koenig & Bauer AG, 8700 Würzburg Farbwerk
DE3530352A1 (de) * 1985-08-24 1987-03-05 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten, insbesondere in etikettiermaschinen
DE8706876U1 (de) * 1986-10-22 1987-12-10 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Vorrichtung zum Bedrucken von Etiketten in Etikettiermaschinen

Also Published As

Publication number Publication date
DE59000147D1 (de) 1992-07-09
DE3927934C2 (enrdf_load_stackoverflow) 1991-06-06
CA2023903A1 (en) 1991-02-25
JPH03150185A (ja) 1991-06-26
BR9004178A (pt) 1991-09-03
ES2032147T3 (es) 1993-01-01
JPH0717082B2 (ja) 1995-03-01
DE3927934A1 (de) 1991-02-28
EP0414259A1 (de) 1991-02-27

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