EP1160167A2 - Procede et machine pour le positionnement exact d'une bande d'opercules sur les boítiers formés par moulage - Google Patents

Procede et machine pour le positionnement exact d'une bande d'opercules sur les boítiers formés par moulage Download PDF

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Publication number
EP1160167A2
EP1160167A2 EP01103721A EP01103721A EP1160167A2 EP 1160167 A2 EP1160167 A2 EP 1160167A2 EP 01103721 A EP01103721 A EP 01103721A EP 01103721 A EP01103721 A EP 01103721A EP 1160167 A2 EP1160167 A2 EP 1160167A2
Authority
EP
European Patent Office
Prior art keywords
photocell
film
brake
cover film
strip
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Withdrawn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
EP01103721A
Other languages
German (de)
English (en)
Other versions
EP1160167A3 (fr
Inventor
Hermann Schmidt
Frank Michel
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.)
Convenience Food Systems Wallau GmbH and Co KG
Original Assignee
Convenience Food Systems Wallau 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 Convenience Food Systems Wallau GmbH and Co KG filed Critical Convenience Food Systems Wallau GmbH and Co KG
Publication of EP1160167A2 publication Critical patent/EP1160167A2/fr
Publication of EP1160167A3 publication Critical patent/EP1160167A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or webs

Definitions

  • the present invention relates to a method and an apparatus for cyclical Positioning images over packaging trays printed on a lidding film are.
  • Packaging especially food packaging, is gaining one these days ever greater importance. These packages often consist of one Packaging tray into which the packaged goods, for example food, are filled be and on which a cover film is sealed so that the goods to be packaged is airtight.
  • the packaging troughs are used in cycles to seal conveyed from a servo chain drive system into the so-called sealing station, the lid film is sealed onto the packaging trough and then as finished packaging transported further by the servo chain drive system. Since the cover film after the Sealing is firmly connected to the packaging tray, the lid film is at Further transport of the finished packaging unrolled from a roll in cycles.
  • the task, a method and a device are therefore available with which images that are printed on cover foils exactly over Packaging trays can be positioned.
  • the cover film is any cover film known to the person skilled in the art which is produced by a Roll is unrolled and printed with pictures.
  • An image in the sense of the invention is any printable representation of z. B. products, advertising slogans and / or Company logos.
  • the pictures are at a certain distance from each other, so that there is an unprinted stripe between two pictures.
  • the method according to the invention are only the unprinted strips which run across extend to the direction of the cover film, relevant.
  • the lidding film is filled with packaging material in the sealing station Sealed packaging troughs.
  • the packaging trays are intermittently z. B. transported to the sealing station with a servo chain drive, the cover film on the packaging trough sealed and the packaging thus obtained with the servo chain drive transported by a precisely defined amount, so that the subsequent packaging troughs can be sealed.
  • the lidding film is firmly connected to the packaging tray, the lid film is during further transport the finished packaging unrolled from the roll. The expert understands that this unrolling takes place in cycles.
  • the packaging is separated in a cutting station cut.
  • the exact positioning of the images takes place via the Packaging trays with a first and a second photocell and a film brake, which is arranged between the two photocells.
  • the second photocell Related to the The direction of the cover film is the second photocell behind the film brake.
  • the second photocell checks whether it is one strip perpendicular to the direction of the film, which is between two Pictures. If this is the case, the print images have advanced and the first photocell is activated so that it in turn activates the film brake, as soon as the first photocell has a streak between two passing images recognized.
  • any film brake known to the person skilled in the art can be used as the film brake be used.
  • the time of activation of the first photocell is freely selectable, but should be first take place when the cover film is already being transported; i.e. at the next Clock.
  • the first photocell is preferably activated shortly before the Feed of the finished packaging and thus the lidding film is finished. Activation is particularly preferably 40 to 100 mm, very particularly preferably 50 to 80 mm before the feed of the cover film has ended.
  • first photocell can be moved along the x-axis (see FIG. 3). Because of this The time at which a strip is recognized can be shifted. If the photocell is moved against the direction of the film, the time will be the detection of a strip preferred, so that the cover film after actuation the film brake is stretched more because the remaining feed of the Cover film is longer. If the photocell is moved in the direction of the film, the time of detection of a strip is delayed and, accordingly, the cover film stretched less after applying the film brake.
  • the cover film is between each two images printed marks then printed instead of the strips for positioning of the images are used. The positioning follows the positioning With stripes.
  • the method according to the invention has the advantage that pictures can be obtained in a very simple manner be positioned very precisely on cover foils with a deviation of ⁇ 0.5 mm can.
  • the method can be carried out with very little effort and has proved to be very robust. Despite the film change and the machine at a standstill could the method according to the invention over a very long period of trouble be used.
  • Another object of the present invention is a device for cyclical, exact positioning of images printed on a cover film over packaging trays with a first and a second photocell and with a film brake, which is arranged between the photocells.
  • any film brake known to the person skilled in the art can be used as the film brake be used.
  • the second photocell is located in relation to the running direction of the cover film behind the film brake.
  • the second photocell is preferably based on the Direction of the film, immediately before the sealing device or after the sealing device arranged.
  • the second photocell detects each time it stops the position of the cover film, preferably during the sealing Strip and / or a print mark and activated depending on it if necessary the first photocell, which in turn, if activated, controls the film brake, as soon as they pass a stripe and / or a print mark between two Recognized images.
  • the time of activation of the first photocell is freely selectable, but should be first take place when the cover film is already being transported; i.e. at the next Clock.
  • the first photocell is preferably activated shortly before the Feed of the finished packaging and thus the lidding film is finished. Activation is particularly preferably 40 to 100 mm, very particularly preferably 50 to 80 mm before the feed of the cover film has ended.
  • first photocell can be moved along the x-axis (see FIG. 3). Because of this The time at which a strip is recognized can be shifted. If the photocell is moved against the direction of the film, the time will be the detection of a strip preferred, so that the cover film after actuation the film brake is stretched more because the remaining feed of the Cover film is longer. If the photocell is moved in the direction of the film, the time of detection of a strip is delayed and, accordingly, the cover film stretched less after applying the film brake.
  • the recognition hysteresis of the second photocell is preferably, in particular however, preferably both photocells ⁇ 0.4 mm, preferably ⁇ 0.25 mm, particularly preferably ⁇ 0.15 mm, measured at a normal distance of 9.5 mm between Lens and film.
  • the device according to the invention is advantageously operated by a programmable logic controller (PLC) controlled. Control is also preferred using a personal computer or a microprocessor.
  • PLC programmable logic controller
  • the device according to the invention has the advantage that images are generated in a very simple manner be positioned very precisely on cover foils with a deviation of ⁇ 0.5 mm can.
  • the device is very easy to set up and has proven to be very robust proven. Despite changing the film and the machine at a standstill, the invention Device can be used without problems over a very long period.
  • Another object of the present invention is a film brake with three Rolls over which the film runs and two brake means. Based on the direction of travel In the film, the rolls are arranged one after the other, the middle roll being different Direction of rotation has as the two outer rollers. The two outer roles preferably interact with the two braking means. Preferably the middle roll is slidably mounted.
  • the braking means are preferably driven pneumatically or electrically.
  • the film brake according to the invention is from the first photocell of the device according to the invention for positioning Images on packaging trays activated.
  • the film brake according to the invention is simple and inexpensive to manufacture.
  • the Foil brake has a very short response time. Slipping through the film the film brake is excluded.
  • the film brake according to the invention has proven to be very robust.
  • Figure 1 shows a cover film, which is printed with pictures.
  • FIG. 2 shows a cover film printed with pictures, which additionally has print marks.
  • Figure 3 shows a sealing station with the positioning device according to the invention.
  • Figure 4 shows the film brake according to the invention.
  • Figure 1 shows a cover film 1, on which pictures 3 are printed.
  • the pictures 3 are printed at a certain distance from one another on the cover film, so that strips 2 are produced transversely to the running direction of the film (represented by the arrow).
  • the strips in the running direction of the film are irrelevant to the present invention.
  • the cover film according to FIG. 2 essentially corresponds to the cover film according to FIG. 1, the cover film according to FIG. 2 additionally having print marks 9.
  • Figure 3 shows a sealing station with the positioning device according to the invention.
  • the packaging troughs 4 filled with packaging material are conveyed in cycles by a servo chain drive into the sealing station in order to be sealed there with a cover film 1 in the sealing device 11.
  • the packs 8 thus finished are conveyed by the servo chain drive to a cutting station (not shown) in cycles, each time by a fixed amount.
  • the cover film 1 is rolled off the roll 17 in cycles.
  • the positioning device consists of a first and a second photocell (5, 6) and a film brake arranged between the photocells 7.
  • the second photocell 6 is, based on the running direction of the cover film, arranged immediately in front of the sealing device 11.
  • the lidding film runs with the printed side directly past the photocells 5, 6 and partially encloses the rollers of the film brake 7.
  • the photocells 5, 6 are products of the Visolux company Electronics GmbH, Prinzenstr. 85, 10969 Berlin and have a recognition hysteresis of 0.1 mm, measured at a distance of 9.5 mm between the lens and the film.
  • the positioning according to the invention is controlled by a PLC.
  • the PLC queries whether the second photocell 6 is one Strip 2 or a print mark 9 recognizes. If this is the case, it knows System that the picture 3 has advanced.
  • the photocell 5 is activated by the PLC.
  • the first photocell 5 in turn activates the film brake 7 as soon as it is one Strip 2 or a print mark 9 between two passing images 3 recognized Has. Due to the film brake 7, the further transport of the cover film 1 at the location of the Foil brake 7 stopped abruptly while the packaging 8 was still being fed something lasts so that the cover film 1 between the last sealed Package 8 and the film brake 7 is stretched.
  • the Pictures based on the running direction of the cover film 1, pulled back a little. This process is repeated until the second photocell 6 during the Standstill of the cover film 1 no longer recognizes a strip 2 or a print mark 9. If the second photocell 6 does not recognize a strip 2 or a print mark 9, becomes the first photocell 5 and thus the film brake at the next cycle not activated.
  • Figure 4 shows the film brake 7 according to the invention with three rollers 12-14 and two brake discs 15 and 16, which cooperate with the rollers 12 and 14.
  • the roller 13 is slidably mounted so that the wrap angle of the rollers can be adjusted through the cover film.
  • the brake discs are driven by two pneumatic cylinders.
  • the film brake according to the invention is activated by the first photocell 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Closing Of Containers (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP01103721A 2000-06-02 2001-02-15 Procede et machine pour le positionnement exact d'une bande d'opercules sur les boítiers formés par moulage Withdrawn EP1160167A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10027048A DE10027048A1 (de) 2000-06-02 2000-06-02 Verfahren und Vorrichtung zum Positionieren von Druckbildern auf Verpackungsmulden
DE10027048 2000-06-02

Publications (2)

Publication Number Publication Date
EP1160167A2 true EP1160167A2 (fr) 2001-12-05
EP1160167A3 EP1160167A3 (fr) 2002-01-30

Family

ID=7644268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01103721A Withdrawn EP1160167A3 (fr) 2000-06-02 2001-02-15 Procede et machine pour le positionnement exact d'une bande d'opercules sur les boítiers formés par moulage

Country Status (3)

Country Link
US (1) US20010047638A1 (fr)
EP (1) EP1160167A3 (fr)
DE (1) DE10027048A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002042161A1 (fr) * 2000-11-24 2002-05-30 Cfs Germany Gmbh Procede et dispositif pour positionner des bandes de film d'un dispositif d'emballage
WO2019219967A1 (fr) * 2018-05-18 2019-11-21 Gea Food Solutions Germany Gmbh Procédé de commande de la position du bord de bande de produits

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243084B3 (de) * 2002-09-16 2004-01-29 CSAT Gesellschaft für Computer-Systeme und Automations-Technik mbH Vorrichtung zum positionsgenauen Zusammenfügen von zwei Materialsträngen
JP5570772B2 (ja) * 2009-07-30 2014-08-13 ウルマ パッケージング テクノロジカル センター エス コープ ヒートシール包装装置及びヒートシール包装方法
DE102011054080A1 (de) * 2011-09-30 2013-04-04 Krones Aktiengesellschaft Integrierte Qualitätskontrolle von Verbrauchsmaterialien für Verpackungsmaschinen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427778A (en) * 1965-08-10 1969-02-18 Continental Can Co Web registering method and apparatus for package-forming machines and the like
US3374602A (en) * 1965-08-18 1968-03-26 Mahaffy & Harder Eng Co Indicia registration method and apparatus
US3706183A (en) * 1969-10-22 1972-12-19 Anderson Bros Mfg Co Rotary heat-sealing and cut-off mechanism
US4018028A (en) * 1971-07-23 1977-04-19 Societe D'application Plastique Mecanique Et Electronique, Plastimecanique S.A. Arrangement for aligning heat-sealable lids on mating product-filled containers
US3979877A (en) * 1974-08-01 1976-09-14 Multivac Sepp Haggenmueller Kg Vacuum packaging machine with web registration means
DE3042709A1 (de) * 1980-11-13 1982-06-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum registerhaltigen aufbringen einer deckfolienbahn auf eine behaelterfoermige aufnahmen enthaltende folienbahn waehrend der kontinuierlichen vorbewegung beider folienbahnen
DE4041547A1 (de) * 1990-01-30 1991-08-01 Hassia Verpackung Ag Tiefziehmaschine
DE19913855A1 (de) * 1999-03-26 2000-09-28 Focke & Co Verfahren und Vorrichtung zum Bedrucken von Zuschnitten

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002042161A1 (fr) * 2000-11-24 2002-05-30 Cfs Germany Gmbh Procede et dispositif pour positionner des bandes de film d'un dispositif d'emballage
US6820399B2 (en) 2000-11-24 2004-11-23 Cfs Germany Gmbh Method and device for positioning a web of film of a packaging device
US7100345B2 (en) 2000-11-24 2006-09-05 Cfs Germany Gmbh Device for positioning a web of film of a packaging device
WO2019219967A1 (fr) * 2018-05-18 2019-11-21 Gea Food Solutions Germany Gmbh Procédé de commande de la position du bord de bande de produits
US11767138B2 (en) 2018-05-18 2023-09-26 Gea Food Solutions Germany Gmbh Method for controlling the position of a material web edge
EP4566954A3 (fr) * 2018-05-18 2026-02-25 Gea Food Solutions Germany GmbH Procédé de commande de la position du bord d'une bande de matériau
US12600512B2 (en) 2018-05-18 2026-04-14 Gea Food Solutions Germany Gmbh Method for controlling the position of a material web edge

Also Published As

Publication number Publication date
EP1160167A3 (fr) 2002-01-30
US20010047638A1 (en) 2001-12-06
DE10027048A1 (de) 2001-12-06

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