EP0734344B1 - Regelungsmittel zur regelung der geschwindigkeit und spannung eines etikettenbandes - Google Patents

Regelungsmittel zur regelung der geschwindigkeit und spannung eines etikettenbandes Download PDF

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Publication number
EP0734344B1
EP0734344B1 EP95903417A EP95903417A EP0734344B1 EP 0734344 B1 EP0734344 B1 EP 0734344B1 EP 95903417 A EP95903417 A EP 95903417A EP 95903417 A EP95903417 A EP 95903417A EP 0734344 B1 EP0734344 B1 EP 0734344B1
Authority
EP
European Patent Office
Prior art keywords
arm
reel
tension
web
regulating
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
EP95903417A
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English (en)
French (fr)
Other versions
EP0734344A1 (de
Inventor
James Carmichael
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.)
KHS Maschinen und Anlagenbau AG
Original Assignee
KHS Maschinen und Anlagenbau AG
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 KHS Maschinen und Anlagenbau AG filed Critical KHS Maschinen und Anlagenbau AG
Publication of EP0734344A1 publication Critical patent/EP0734344A1/de
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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
    • 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

  • This invention relates to controlling the speed and tension of a web of labels supplied to associated labelling apparatus.
  • Labelling apparatus such as roll-fed labellers
  • reel stands which are adapted to hold a continuous reel of label web intended to be applied to containers, bottles or the like by the apparatus.
  • Reel stand assemblies are used to hold this continuous web and to feed same at the required speed and tension to the other associated apparatus within the labeller.
  • This associated apparatus in the case of a roll-fed labeller, generally includes a cutter drum and a vacuum drum, which, in use, are desirably rotated at a predetermined speed. It is necessary for effective operation of the labeller to provide the label web to the drums at a proportionate speed. Failure to do this results in tearing of the web or, alternatively, cutting of the web at inappropriate increments such that individual labels are truncated or damaged.
  • films used in relation to the aforementioned labels are likely to be increasingly reduced in thickness as material technology improves and this is also likely to be associated with an increase in the elasticity of the labelling material. It is therefore of significant importance to provide efficient and reliable means for regulating the speed and tension of the label web supplied to the associated labelling apparatus.
  • US Patent No 3,193,211 discloses apparatus for driving a strip, according to the preamble of claim 1, which is adapted to transfer labels from the strip on to bottles.
  • the apparatus includes a feed reel, an intermediate driver and a take-up reel.
  • labelling apparatus for applying a label from the strip to the bottles, and means for regulating the speed and tension of the strip to the labelling apparatus.
  • the regulating means comprises in part an arm which is adapted to move in a clockwise or an anti-clockwise direction in order to regulate tension on the strip via tension control means.
  • the pneumatic cylinder can be used to adjust the force acting on the arm by regulating the air supplied to the cylinder.
  • a regulating means for regulating the speed and tension of continuous label web for supply to associated labelling apparatus
  • said regulating means comprises an arm adapted to move in a first direction and a second direction, wherein said arm includes tension control means and is adapted to grip said continuous web while said web is moving
  • said tension control means comprises a pneumatic cylinder with a variable regulated air supply, wherein said cylinder is adapted to forcibly encourage said arm in said first direction, and wherein tension of said continuous web forcibly encourages said arm in said second direction, wherein said arm moves in the direction most encouraged and consequentially regulates the speed and tension of the web supplied
  • said regulating means further includes a reel stand assembly having one or more reel bearing housing assemblies for supporting a respective reel of continuous label web, wherein each said reel bearing housing assembly includes braking means for retarding the speed of rotation of a respective said reel, wherein said braking means is controlled by control means characterised in that said control means further includes a rotary sensor communicating with said arm, such
  • said reel bearing housing assemblies each further include a motor adapted to drive said reel, wherein when said arm is caused to move in said second direction said rotary sensor generates a signal to said motors, such that said motors accelerate the rotational velocity of the respective said reel.
  • a reel stand assembly 1 comprises two label reel-bearing housing assemblies 2a, 2b.
  • Each reel bearing housing assembly 2 is adapted to support a reel of continuous label web 15 which, in use, is guided through a first guide roller 3 around a gripping means 4 on an arm 5 and thereafter again through a further guide roller 6.
  • the label web 15 is then fed to associated labelling apparatus which may include a cutter drum and vacuum drum.
  • associated labelling apparatus which may include a cutter drum and vacuum drum.
  • the arm 5 is adapted to pivot about the point 10 such that it may rotate in a first direction, represented by the arrow A, or in a second direction, represented by the arrow B.
  • the arm 5 When the arm 5 rotates in the first direction A, any slack in the continuous label web 15 is taken up. On the other hand, when the arm 5 rotates in the second direction B, the tension of the web is reduced. For this reason, the arm 5 is frequently called a dancer arm or a tension control arm as it dances in both first and second directions about a mean or equilibrium position X in order to regulate the tension of the web supplied to associated labelling apparatus.
  • a tension control means which in the invention, comprises an actuator such as a pneumatic cylinder 7 with a variable regulated air supply.
  • the cylinder 7 encourages the arm in the first direction A to counterbalance the tension which is inherent in the web 15 which encourages the arm 5 in the second direction B.
  • the mean force applied by the cylinder 7 is regulated by the air supply to maintain the arm 5 in an equilibrium position X.
  • the air pressure supplied to the pneumatic cylinder 7 is regulated to correct this state, such that the arm 5 is encouraged to return towards the mean equilibrium position X. It is realised that the arm 5 may only move within certain limits and the invention is preferably caused to operate with the arm in close proximity to this equilibrium position X.
  • the brake 8 may be of any appropriate type, although electro-mechanical brakes are suggested as preferable.
  • the brakes 8, in the embodiment shown, are adapted to be activated when the arm 5 is caused to travel in the first direction A. As explained above, this occurs when the speed of the reel is above that which is desired and the tension in the web is therefore reduced.
  • a motor such as a servomotor 14 may be attached to the reel-bearing housing assembly 2; the motor 14 being adapted to drive the reel 15 and, when appropriate, increase the rotational velocity of the reel.
  • the servomotor 14 can be accelerated such that the reel supplies the web at a greater speed.
  • the arm 5 would be caused to move in the second direction B and this would be sensed by a rotary sensor 9, such as the potentiometer shown, which would send a signal via the control apparatus 11 to the servomotor 14.
  • the servomotor 14 may incorporate the electro-mechanical brake 8 or, alternatively, the brake 8 may be separate.
  • the invention provides a means for variably controlling the supply of label web to associated labelling apparatus with far greater control than that which has been known in the past.
  • the variable control is applied to both the dancer arm 5 and the reel-bearing housing assemblies 2 and is adapted to both increase and decrease the tension and/or speed of the web in accordance with optimum levels.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (2)

  1. Vorrichtung zum Regulieren der Geschwindigkeit und Spannung eine Endlosetikettenbahn (15) zur Zuführung zu einer angeschlossenen Etikettiermaschine, wobei vorgenannte Vorrichtung einen Arm (5) aufweist, der so ausgerichtet ist, daß er sich in eine erste Richtung (A) und eine zweite Richtung (B) bewegt, wobei vorgenannter Arm (5) Spannungssteuerungsmittel aufweist und so ausgerichtet ist, daß vorgenannte Etikettenbahn (15) während des Bewegungsvorganges von ihm ergriffen wird, wobei vorgenannte Spannungssteuerungsmittel einen pneumatischen Zylinder (7) mit variabel regulierbarer Luftzufuhr aufweisen, wobei vorgenannter Zylinder (7) vorgenannten Arm (5) zwangsweise in vorgenannte erste Richtung (A) bewegt, wobei die Spannung der Endlosetikettenbahn (15) vorgenannten Arm (5) zwangsweise in vorgenannte zweite Richtung (B) verbringt, wobei sich vorgenannter Arm (5) in die Richtung bewegt, auf die der größte Zwang ausgeübt wird und folglich die Geschwindigkeit und Spannung der zugeführten Etikettenbahn (15) reguliert, wobei die Steuermittel einen Rollenstand (1) mit einer oder mehreren Rollenlagergehäuse (2a, 2b) aufweisen, die eine jeweilige Rolle einer Endlosetikettenbahn (15) tragen, wobei jede der genannten Rollenlagergehäuse (2a, 2b) Bremsmittel (8) beinhalten, mit denen die Drehgeschwindigkeit einer jeweiligen Rolle verzögert wird, wobei vorgenannte Bremsmittel (8) von Steuermitteln kontrolliert werden, dadurch gekennzeichnet, daß die Steuermittel einen rotierenden Sensor (9) beinhalten, der mit vorgenanntem Arm (5) so in Verbindung steht, daß die Bewegung, wenn sich vorgenannter Arm (5) in vorgenannte erste Richtung (A) bewegt, von vorgenanntem rotierendem Sensor (9) erfaßt und ein Signal von vorgenanntem Steuerapparat erzeugt wird, das vorgenannte Bremsmittel (8) aktiviert.
  2. Steuervorrichtung gemäß Anspruch 1, wobei vorgenannte Rollenlagergehäuse (2a, 2b) jeweils einen Motor (14) aufweisen, der vorgenannte Rolle antreibt, wobei vorgenannter rotierender Sensor (9) bei Bewegung des Armes (5) in die vorgenannte zweite Richtung (B) ein Signal an vorgenannte Motoren (14) abgibt, so daß vorgenannte Motoren (14) die Drehgeschwindigkeit der jeweiligen vorgenannten Rolle beschleunigen.
EP95903417A 1993-12-14 1994-12-13 Regelungsmittel zur regelung der geschwindigkeit und spannung eines etikettenbandes Expired - Lifetime EP0734344B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939325577A GB9325577D0 (en) 1993-12-14 1993-12-14 A reel stand for labelling apparatus
GB9325577 1993-12-14
PCT/GB1994/002728 WO1995016612A1 (en) 1993-12-14 1994-12-13 Regulating means for regulating the speed and tension of continuous label web

Publications (2)

Publication Number Publication Date
EP0734344A1 EP0734344A1 (de) 1996-10-02
EP0734344B1 true EP0734344B1 (de) 1998-04-15

Family

ID=10746586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95903417A Expired - Lifetime EP0734344B1 (de) 1993-12-14 1994-12-13 Regelungsmittel zur regelung der geschwindigkeit und spannung eines etikettenbandes

Country Status (7)

Country Link
EP (1) EP0734344B1 (de)
AU (1) AU1247395A (de)
BR (1) BR9408296A (de)
CA (1) CA2178812C (de)
DE (1) DE69409670T2 (de)
GB (1) GB9325577D0 (de)
WO (1) WO1995016612A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019580A1 (de) * 2008-04-18 2009-10-22 Krones Ag Vorrichtung zum Bearbeiten von Etikettenstreifen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2507743B (en) * 2012-11-07 2018-08-22 Videojet Technologies Inc Sensor controlled labelling machine and spool support braking arrangement
WO2014072727A1 (en) * 2012-11-07 2014-05-15 Videojet Technologies Inc. Labelling machine and method for its operation
GB201419486D0 (en) * 2014-10-31 2014-12-17 Videojet Technologies Inc A machine and method for its operation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193211A (en) * 1962-12-20 1965-07-06 Dennison Mfg Co Strip feed tension equalizer
US4411393A (en) * 1981-06-05 1983-10-25 Dennison Manufacturing Company Web tension control apparatus
JPH02300053A (ja) * 1989-05-12 1990-12-12 Tokyo Kikai Seisakusho Ltd 印刷紙張力制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019580A1 (de) * 2008-04-18 2009-10-22 Krones Ag Vorrichtung zum Bearbeiten von Etikettenstreifen

Also Published As

Publication number Publication date
BR9408296A (pt) 1997-08-26
WO1995016612A1 (en) 1995-06-22
CA2178812A1 (en) 1995-06-22
DE69409670D1 (de) 1998-05-20
GB9325577D0 (en) 1994-02-16
EP0734344A1 (de) 1996-10-02
CA2178812C (en) 2005-03-15
DE69409670T2 (de) 1998-10-29
AU1247395A (en) 1995-07-03

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