EP2942304A1 - Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé - Google Patents

Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé Download PDF

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Publication number
EP2942304A1
EP2942304A1 EP14167038.0A EP14167038A EP2942304A1 EP 2942304 A1 EP2942304 A1 EP 2942304A1 EP 14167038 A EP14167038 A EP 14167038A EP 2942304 A1 EP2942304 A1 EP 2942304A1
Authority
EP
European Patent Office
Prior art keywords
label
dancer arm
take
carrier tape
motor drive
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.)
Withdrawn
Application number
EP14167038.0A
Other languages
German (de)
English (en)
Inventor
Daniel Siegenbrink
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.)
Multivac Marking and Inspection GmbH and Co KG
Original Assignee
Multivac Marking and Inspection GmbH and Co KG
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 Multivac Marking and Inspection GmbH and Co KG filed Critical Multivac Marking and Inspection GmbH and Co KG
Priority to EP14167038.0A priority Critical patent/EP2942304A1/fr
Publication of EP2942304A1 publication Critical patent/EP2942304A1/fr
Withdrawn legal-status Critical Current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
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • 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
    • B65C9/40—Controls; Safety devices
    • B65C9/42—Label feed control

Definitions

  • the invention relates to a label dispenser with a motor winding device according to the preamble of claim 1 or to a method with the features of claim 9.
  • a label dispenser which comprises a driven receptacle for the label carrier material.
  • the web tension of the label carrier material is determined before winding by means of a sensor to drive the recording such that a predetermined web tension is present at the receptacle to flutter or hitting the label carrier material during transport within the label dispenser by a partially too low web tension prevent.
  • the web tension measuring sensor detects a linear path, which is caused by the existing web tension on a roll on the sensor. Such a detection of the web tension is less sensitive and easily influenced by existing disturbances such as breakaway torque when starting the label dispenser and changing the diameter of the wound label carrier material negative.
  • the label dispenser comprises a controller, an unwinding device, a dispensing unit and a reeling device, wherein the reeling device has a motor drive for a take-up reel and a dancer arm with a deflection roller.
  • the label dispenser is characterized in that a sensor for detecting an actual angle or a position of the dancer arm is provided, wherein the controller is configured to the motor drive in dependence of the actual angle of the dancer arm and a present in the control target To regulate angles.
  • the position of the dancer arm can be maintained very accurately and a very constant web tension can be achieved, regardless of various disturbances such as changing the diameter of the wound label carrier tape or different transport speeds of the label carrier tape.
  • only a single sensor for detecting the position or the angle of the dancer arm is necessary, which greatly simplifies the construction.
  • the motor drive preferably has a servomotor or a stepper motor in order to achieve a particularly sensitive control with a high resolution.
  • a method for operating a label dispenser comprising a controller, an unwinding device, a dispensing unit and a reeling device, wherein the reeling device has a motor drive and a dancer arm with a deflection roller, is characterized in that a sensor has an actual angle of the dancer arm detected and the controller calculates an angular deviation by means of an existing in the control target angle, the controller controls the motor drive in dependence of the angular deviation of the dancer arm.
  • the dancer arm can be kept as far as possible in the position in which an optimal and constant web tension of the label carrier tape is present. This control is independent of different and constantly changing disturbances such as changing the diameter of the wound label carrier tape or different transport speeds of the label carrier tape.
  • the controller controls the motor drive permanently during operation of the label dispenser, the motor drive thereby permanently rotates the take-up reel in the winding and wound up the label carrier tape. Due to the permanent control and thus a continuous winding stop can be avoided. Thus, high start-up accelerations and breakaway torques can be avoided, which can lead to increased web tensions and can cause tearing of sensitive label media, resulting in increased machine downtime.
  • the motor drive is accelerated more strongly and / or the speed is increased in order to bring the dancer arm as quickly as possible back into the predetermined position.
  • the acceleration can be limited so that excessive web tension can be avoided.
  • the motor drive is less accelerated by the setpoint angle and / or the speed is reduced in order to move the dancer arm as fast as possible to bring back to the predetermined position.
  • Low accelerations allow a smooth movement without major changes in the web tension.
  • the last deflection of the label carrier tape can be done before reaching the take-up reel on the deflection roller of the dancer arm.
  • the wrap angle of the label carrier tape on the deflection roller of the carrier arm is from 90 ° to 180 °. Consequently, this also includes a variant in which the direction of movement of the label carrier exactly reverses on the deflection roller of the carrier arm. Due to the comparatively large wrap angle of the label carrier tape on the deflection roller of the dancer arm, the influence of the change in the diameter of the wound label carrier tape is minimized as far as possible.
  • the label carrier tape 8 without labels 9 is pressed by the pinch roller 15 to the drive roller 14 to ensure the feed or transport of the label carrier tape 8.
  • the feed unit 13 is operated continuously or intermittently.
  • continuous not only includes a constant speed, but also different accelerations with different speeds with permanent drive.
  • Intermittent means that between the dispensing of individual labels 9 or a group of multiple labels 9, the feed unit 13 stops until the next label 9 is to be dispensed.
  • Fig. 4 shows a rear view of the winding device 4 without the motor 18 and the sensor 17.
  • the dancer arm 6 is deflected about its axis of rotation D and is two tension springs 21 by means of two levers 22 on an axis 23 of the dancer arm 6 in the transport direction T of the label carrier tape 8, see Arrow on dancer arm, pretensioned.
  • a ring magnet 27 is arranged on the end remote from the dancer arm 6 end.
  • the magnetic field generated by the ring magnet 27 is detected by the sensor 17 in the form of a magnetic angle sensor without contact and the sensor 17 determines the position and change of the magnetic field is the position and the actual angle ⁇ IS of the dancer arm 6.
  • the sensor 17 converts the information into an electrical voltage between 0 and 10 V.
  • the controller 20 is connected to the sensor 17 and converts the applied voltage into an angle value ⁇ IST .
  • the motor 18 drives a first pulley 24.
  • a belt 25 preferably a toothed belt, the rotation is transmitted with a gear ratio of at least 4: 1 to a second pulley 26, wherein the second pulley 26 is connected to the take-up reel 5.
  • the axis of rotation A of the second pulley 26 in this embodiment is identical to the axis of rotation A of the take-up reel 5, ie with the axial direction of the take-up reel 5.
  • FIG. 4 It can be seen that the axis of rotation D of the dancer arm 6 is aligned parallel to the axis of rotation A of the second pulley 26 and the take-up reel 5, but there is an offset between the two axes of rotation D, A.
  • the two axes of rotation D, A coincide, ie that there is no lateral offset between the two axes of rotation D, A.
  • the feed unit 13 transports the label carrier tape 8 in the direction of the take-up device 4.
  • the motor 18 starts at the same time to rotate the take-up reel 5 and wind the label carrier tape 8.
  • the dancer arm 6 is deflected and the controller 20 recognizes via the sensor 17 that there is an angular deviation d ⁇ compared with the parameter for the desired angle ⁇ SOLL stored in the controller 20.
  • the motor 18 is accelerated or braked or adapted to the speed.
  • sensor 17 is also an incremental or absolute rotary encoder can be used.
  • the motor 18 may also be arranged directly on the take-up reel 5 without a belt drive.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP14167038.0A 2014-05-05 2014-05-05 Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé Withdrawn EP2942304A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14167038.0A EP2942304A1 (fr) 2014-05-05 2014-05-05 Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14167038.0A EP2942304A1 (fr) 2014-05-05 2014-05-05 Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé

Publications (1)

Publication Number Publication Date
EP2942304A1 true EP2942304A1 (fr) 2015-11-11

Family

ID=50628701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14167038.0A Withdrawn EP2942304A1 (fr) 2014-05-05 2014-05-05 Distributeur d'étiquettes doté d'un dispositif d'enroulement motorisé

Country Status (1)

Country Link
EP (1) EP2942304A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735664A (en) * 1985-08-06 1988-04-05 Dennison Manufacturing Company Integrated decoration of articles
DE4142158A1 (de) 1990-12-20 1992-06-25 Owens Illinois Plastic Prod Etikettiermaschine
DE19522295A1 (de) * 1995-06-20 1997-01-02 Pago Ag Buchs Sg Verfahren und Vorrichtung zur Regelung der Zugspannung eines Etikettenbandes in einer Etikettiervorrichtung
JP2003261121A (ja) * 2002-03-04 2003-09-16 Ishida Co Ltd ラベル発行装置
EP1619129A1 (fr) * 2004-07-22 2006-01-25 KOSME S.r.l. Dispositif pour alimenter en étiquettes des étiqueteuses
WO2007124821A1 (fr) 2006-04-26 2007-11-08 Khs Ag Dispositif destiné à distribuer des étiquettes, notamment des étiquettes autocollantes, sur des objets
EP2479114A1 (fr) 2011-01-21 2012-07-25 Krones AG Dispositif de stockage d'une bande de support vidée de ses étiquettes, machine d'étiquetage, ainsi que procédé de fonctionnement d'une machine d'étiquetage
WO2014072726A1 (fr) * 2012-11-07 2014-05-15 Videojet Technologies Inc. Machine d'étiquetage et son procédé de fonctionnement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735664A (en) * 1985-08-06 1988-04-05 Dennison Manufacturing Company Integrated decoration of articles
DE4142158A1 (de) 1990-12-20 1992-06-25 Owens Illinois Plastic Prod Etikettiermaschine
DE19522295A1 (de) * 1995-06-20 1997-01-02 Pago Ag Buchs Sg Verfahren und Vorrichtung zur Regelung der Zugspannung eines Etikettenbandes in einer Etikettiervorrichtung
JP2003261121A (ja) * 2002-03-04 2003-09-16 Ishida Co Ltd ラベル発行装置
EP1619129A1 (fr) * 2004-07-22 2006-01-25 KOSME S.r.l. Dispositif pour alimenter en étiquettes des étiqueteuses
WO2007124821A1 (fr) 2006-04-26 2007-11-08 Khs Ag Dispositif destiné à distribuer des étiquettes, notamment des étiquettes autocollantes, sur des objets
EP2479114A1 (fr) 2011-01-21 2012-07-25 Krones AG Dispositif de stockage d'une bande de support vidée de ses étiquettes, machine d'étiquetage, ainsi que procédé de fonctionnement d'une machine d'étiquetage
WO2014072726A1 (fr) * 2012-11-07 2014-05-15 Videojet Technologies Inc. Machine d'étiquetage et son procédé de fonctionnement

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