EP0031515B1 - Apparatus for producing packaging blanks by separation from a continuously moving web - Google Patents

Apparatus for producing packaging blanks by separation from a continuously moving web Download PDF

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Publication number
EP0031515B1
EP0031515B1 EP80107761A EP80107761A EP0031515B1 EP 0031515 B1 EP0031515 B1 EP 0031515B1 EP 80107761 A EP80107761 A EP 80107761A EP 80107761 A EP80107761 A EP 80107761A EP 0031515 B1 EP0031515 B1 EP 0031515B1
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EP
European Patent Office
Prior art keywords
web
pack
belts
blank
pack blank
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
EP80107761A
Other languages
German (de)
French (fr)
Other versions
EP0031515A1 (en
Inventor
Heinz Focke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
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Filing date
Publication date
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0031515A1 publication Critical patent/EP0031515A1/en
Application granted granted Critical
Publication of EP0031515B1 publication Critical patent/EP0031515B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/16—Cutting webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/10—Advancing webs by a feed band against which web is held by fluid pressure, e.g. suction or air blast
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4696—Plural diverse flying cutters
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4778—Work feed gripper carried on endless belt

Definitions

  • the invention relates to a device for producing pack blanks by cutting from a continuous web and for feeding to a pack or the like.
  • the pack blank can be separated from the continuous web by cutting knives and the web and pack blank can be transported by circulating belts are at a sufficient distance from each other for the passage of a package and against which the package blank lies over its entire length, the strips having suction holes which can be acted upon by suction air in the region of the system of the web or the package blank, the latter in the region of their margins.
  • the transverse separating cuts for dividing the blanks are made in two complementary partial cuts.
  • the incoming web is provided with two partial cuts in the side area.
  • the web then enters the area of lateral belts which are subjected to suction air. These capture the web in the area of the previously made partial cuts.
  • a further partial cut then takes place between them, which, in addition to the partial cuts made first, results in a separation of the blank.
  • the web and the cut are thus guided and held over the entire conveyor line of interest.
  • the invention is based on the object of proposing a device by means of which a reliable conveying and guiding of a web of the packaging material and of the blanks separated therefrom is possible with simpler means.
  • the invention is characterized in that the belts are provided with recesses which are arranged transversely to the conveying direction and lie in the same transverse plane and are formed corresponding to the passage of the separating knife, in that they are elongated holes which face one another and are open towards the inner sides of the belts are formed, which protrude slightly beyond the side edges of the web or the package blank.
  • the web and the blank are preferably conveyed and guided by two lateral belts which grip the web and subsequently the blank in the region of their lateral edges.
  • open elongated holes are made in the bands, that is to say on the sides facing one another, into which the separating knife with the end regions enters when making a separating cut.
  • the continuous separating cut is therefore produced in one work cycle by a suitably designed, arranged and dimensioned separating knife.
  • the web and subsequently the package blank are in the direction of transport. before and after the area of the separating cut, guided by belts with suction air on the side.
  • the separating knife which necessarily has a larger transverse dimension than the distance between the inner edges of the strips, enters a portion of the recesses of the strips.
  • the tapes are arranged at such a distance from one another that a pack can be passed between them transversely to the plane of the tapes, taking the blank held by the tapes with them. For this purpose, the tapes are guided beyond the area of a receiving or packaging station, so that the blank is slipped off the tapes.
  • This arrangement of the bands also enables the device to operate continuously.
  • the separating knife which is preferably arranged on a rotating knife roller and cooperates with a stationary counter knife, runs synchronously with the belts, preferably at the same speed.
  • the length of the cut pack blanks can be determined according to the invention by the rolls arranged upstream of the belts in the conveying direction, which at most, namely at the maximum length of the pack blanks, run at the same speed as the belts. In the case of shorter pack blanks, the web is slipped by the correspondingly set speed of the pull rollers in the area of the belts up to the separation point.
  • pack blanks 10 are separated from a continuous web 11 of packaging material, for example a plastic film, and fed to a processing station 12 in the vertical plane. In the area thereof, the blank is folded in a U shape around a transversely supplied pack 13 or another object.
  • the pack 13 is transported here on a horizontal pack track 45 and passed through a mouthpiece 14 with the pack blank 10 held ready in the vertical plane. In this case, the pack blank 10 lies around the pack 13 in a U-shape. Following the mouthpiece 14, pack 13 and pack blank 10 are received in a pocket 15 of a folding turret 16.
  • the web 11 tapering from above is conveyed by two driven pull rollers 17 and 18 which are controllable in terms of their speed. Following these pull rollers 17 and 18, the web 11 enters in the area of a guided conveyor line. This is defined by upright belts 20 and 21. Through this, the web 11 and in the further course of the upright conveying path of the pack blank 10 is first detected, conveyed and held.
  • the tensile, flexible belts 20, 21 run over common upper and lower deflecting rollers 22 and 23, of which the upper one can be driven, for example.
  • the deflecting rollers 22, 23 are provided with depressions 44 approximately in the width of the belts 20, 21.
  • the tapes 20 and 21 are arranged at a distance from one another in such a way that the web 11 and the pack blank 10 with a lateral strip are in contact with mutually facing inner edge regions of the tapes 20, 21.
  • web 11 and package blank 10 are fixed uninterruptedly, as across the entire conveying path, by adhesion to the belts 20, 21.
  • liability is brought about by exposure to suction air.
  • the strips 20, 21 are provided with a series of suction holes 24 in the area of the web 11 and the package blank 10. Through this suction air is fed to the web 11 and the pack blank 10 for releasable fixation to the bands 20, 21.
  • a transverse cut 25 is made in the web 11 in the area of the conveyor line, ie in the area of the belts 20, 21, which extends over the full width of the web 11.
  • the separating cut 25 is carried out by a stationary knife device 26, which here consists of a rotating separating knife 27 and a fixed counter knife 28.
  • the cutting knife 27 is arranged on a rotatably driven knife roller 29.
  • the bands 20, 21 are provided at intervals with slot-like recesses 30 and 31 which are formed in the region of the sides facing one another and which have such a transverse dimension that the separating knife 27 with counter knife 28 can come into effect with their full length, under passage from end regions through the recesses 30 and 31.
  • the recesses 30, 31 are, as can be seen in particular from FIGS. 2 and 3, somewhat deeper than this corresponds to the length of the separating knife 27 and the counter knife 28. These in turn are somewhat longer than the width of the web 11.
  • the bands 20, 21 can, since the recesses 30 and 31 ensure unimpeded passage of the knives 27, 28, be formed in any suitable width.
  • driver holes 32 are arranged, into which pin-like projections 33 of the driven, in the present case upper deflection roller 22, enter in a form-fitting manner in order to apply the driving force to the belts 20, 21 to be transferred.
  • a device for transmitting the suction air to the belts 20, 21 is designed here, for example, in the same way as in DE-PS 2 530 992.
  • the belts 20, 21 or their strands facing the web 11 or the pack blanks 10 run in the area of an upright support plate 34. This extends laterally beyond the bands 20, 21.
  • the surface of the support plate 34 facing the web 11 or the pack blanks 10 is essentially flush with the outer upper side of the strips 20, 21. These are guided in correspondingly dimensioned flat grooves 35, 36 of the support plate 34 (see in particular Fig. 6).
  • suction nozzles 37, 38 with suction lines 39, 40 connect to the support plate 34.
  • the suction nozzles 37, 38 extend almost over the entire height of the belts 20, 21.
  • the suction lines 39, 40 are connected to a vacuum source.
  • a further knife arrangement 41 is arranged upstream of the conveyor section 19. This serves together men with a here in front of the pulling rollers 17 and 18, working in the longitudinal direction separating device 42 for producing a grip tab 43 for forming a tear strip on the package blank 10th

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen von Packungs-Zuschnitten durch Abtrennen von einer fortlaufenden Bahn sowie zum Zuführen zu einer Packung od. dgl., wobei der Packungs-Zuschnitt durch Trennmesser von der fortlaufenden Bahn abtrennbar und Bahn sowie Packungs-Zuschnitt durch umlaufende Bänder transportierbar sind, die einen zum Durchtritt einer Packung ausreichenden Abstand voneinander aufweisen und an denen der Packungs-Zuschnitt über seine gesamte Länge anliegt, wobei die Bänder durch Saugluft beaufschlagbare Sauglöcher im Bereich der Anlage der Bahn bzw. des Packungs-Zuschnitts aufweisen, die letztere im Bereich ihrer Seitenränder erfassen.The invention relates to a device for producing pack blanks by cutting from a continuous web and for feeding to a pack or the like. The pack blank can be separated from the continuous web by cutting knives and the web and pack blank can be transported by circulating belts are at a sufficient distance from each other for the passage of a package and against which the package blank lies over its entire length, the strips having suction holes which can be acted upon by suction air in the region of the system of the web or the package blank, the latter in the region of their margins.

Die Herstellung und deren störungsfreier Transport innerhalb einer Packmaschine od. dgl. ist ein besonders schwieriges Problem vor allem dann, wenn die Zuschnitte aus dünnwandigem oder aus anderen Gründen kritischem Material bestehen. Das genannte Problem gilt deshalb vor allem bei der Verarbeitung von dünnwandigen Kunststoffolien, Zellglas etc. Um die von einer fortlaufenden Bahn des Verpackungsmaterials abgetrennten Zuschnitte störungsfrei, insbesondere mit exakter Relativstellung und faltenfrei, einer Packung oder sonstigen Verarbeitungsstation zuführen zu können, ist es wünschenswert, die Bahn und im Anschluß daran die Zuschnitte während des Transportes ununterbrochen zu halten. und zu führen. Diesem Ziel einer fortlaufend geführten, fixierten Förderung von Bahn und Zuschnitt steht die Notwendigkeit entgegen, daß die Zuschnitte durch quergerichtete Trennschnitte von der Bahn abgeteilt werden müssen. Dazu finden üblicherweise umlaufende oder in anderer Weise bewegte, jedenfalls quer zur Bahn angeordnete und wirkende Trennmesser Verwendung.The production and its trouble-free transport within a packaging machine or the like is a particularly difficult problem, especially when the blanks are made of thin-walled material or material that is critical for other reasons. The above-mentioned problem therefore applies above all to the processing of thin-walled plastic films, cellular glass, etc. In order to be able to feed the blanks separated from a continuous web of packaging material without problems, in particular with an exact relative position and without creases, to a pack or other processing station, it is desirable that Web and then keep the blanks uninterrupted during transport. and lead. This goal of a continuous, fixed conveying of web and blank is opposed by the necessity that the blanks have to be separated from the web by transverse separating cuts. For this purpose, circumferential or otherwise moving, at least transversely arranged and acting separating knives are used.

Aus der DE-PS 2 530 992 ist eine Vorrichtung zur Lösung des geschilderten Problems bekannt. Bei dieser Vorrichtung werden die quergerichteten Trennschnitte zum Abteilen der Zuschnitte in zwei einander ergänzenden Teilschnitten angebracht. Zunächst wird die zulaufende Bahn im seitlichen Bereich jeweils mit zwei Teilschnitten versehen. Die Bahn tritt daran anschließend in den Bereich von seitlichen, mit Saugluft beaufschlagten Bändern ein. Diese erfassen die Bahn im Bereich der zuvor angebrachten Teilschnitte. Im Bereich der Förderstrecke der Bänder erfolgt dann zwischen diesen ein weiterer Teilschnitt, der in Ergänzung der zuerst angebrachten Teilschnitte eine Abtrennung des Zuschnitts bewirkt. Bahn und Zuschnitt werden so über die gesamte interessierende Förderstrecke geführt und gehalten.From DE-PS 2 530 992 a device for solving the problem described is known. In this device, the transverse separating cuts for dividing the blanks are made in two complementary partial cuts. First, the incoming web is provided with two partial cuts in the side area. The web then enters the area of lateral belts which are subjected to suction air. These capture the web in the area of the previously made partial cuts. In the area of the conveyor section of the belts, a further partial cut then takes place between them, which, in addition to the partial cuts made first, results in a separation of the blank. The web and the cut are thus guided and held over the entire conveyor line of interest.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung vorzuschlagen, durch die mit einfacheren Mitteln eine zuverlässige Förderung und Führung einer Bahn des Verpackungsmaterials sowie der von dieser abgetrennten Zuschnitte möglich ist.The invention is based on the object of proposing a device by means of which a reliable conveying and guiding of a web of the packaging material and of the blanks separated therefrom is possible with simpler means.

Zur Lösung dieser Aufgabe ist die Erfindung dadurch gekennzeichnet, daß die Bänder mit quer zur Förderrichtung angeordneten und in gleicher Querebene liegenden Ausnehmungen versehen sind, die korrespondierend zum Durchtritt des Trennmessers ausgebildet sind, indem sie als einander zugekehrte, zu den Innenseiten der Bänder hin offene Langlöcher ausgebildet sind, die geringfügig über die Seitenränder der Bahn bzw. des Packungs-Zuschnitts hinwegragen.To achieve this object, the invention is characterized in that the belts are provided with recesses which are arranged transversely to the conveying direction and lie in the same transverse plane and are formed corresponding to the passage of the separating knife, in that they are elongated holes which face one another and are open towards the inner sides of the belts are formed, which protrude slightly beyond the side edges of the web or the package blank.

Vorzugsweise werden Bahn und Zuschnitt durch zwei seitliche Bänder gefördert und geführt, die die Bahn und nachfolgend den Zuschnitt im Bereich ihrer seitlichen Ränder erfassen. Dabei sind erfindungsgemäß in den Bändem nach innen, also auf den einander zugekehrten Seiten, offene Langlöcher angebracht, in die das Trennmesser mit den Endbereichen bei der Durchführung eines Trennschnitts eintritt.The web and the blank are preferably conveyed and guided by two lateral belts which grip the web and subsequently the blank in the region of their lateral edges. In this case, according to the invention, open elongated holes are made in the bands, that is to say on the sides facing one another, into which the separating knife with the end regions enters when making a separating cut.

Bei der Erfindung wird demnach der durchgehende Trennschnitt in einem Arbeitstakt durch ein entsprechend ausgebildetes, angeordnetes und dimensioniertes Trennmesser hergestellt. Die Bahn und nachfolgend der Packungs-Zuschnitt werden in Transportrichtung. vor und nach dem Bereich des Trennschnitts geführt durch seitliche mit Saugluft beaufschlagte Bänder. Das Trennmesser, welches notwendiger weise eine größere Querabmessung hat als der Abstand zwischen den Innenrändern der Bänder, tritt dabei mit einem Teilbereich in die Ausnehmungen der Bänder ein.According to the invention, the continuous separating cut is therefore produced in one work cycle by a suitably designed, arranged and dimensioned separating knife. The web and subsequently the package blank are in the direction of transport. before and after the area of the separating cut, guided by belts with suction air on the side. The separating knife, which necessarily has a larger transverse dimension than the distance between the inner edges of the strips, enters a portion of the recesses of the strips.

Die Bänder sind in einem solchen Abstand voneinander angeordnet, daß.eine Packung quer zur Ebene der Bänder zwischen diesen hindurchgeführt werden kann, und zwar unter Mitnahme des durch die Bänder gehaltenen Zuschnitts. Die Bänder sind zu diesem Zweck über den Bereich einer Aufnahme- bzw. Verpackungsstation hinaus geführt, so daß der Zuschnitt von den Bändern schlupfend abgezogen wird. Diese Anordnung der Bänder ermöglicht auch eine kontinuierliche Arbeitsweise der Vorrichtung.The tapes are arranged at such a distance from one another that a pack can be passed between them transversely to the plane of the tapes, taking the blank held by the tapes with them. For this purpose, the tapes are guided beyond the area of a receiving or packaging station, so that the blank is slipped off the tapes. This arrangement of the bands also enables the device to operate continuously.

Das vorzugsweise auf einer umläufenden Messerwalze angeordnete und mit einem ortsfesten Gegenmesser zusammenwirkende Trennmesser läuft synchron mit den Bändern, vorzugsweise mit gleicher Geschwindigkeit. Die Länge der abgetrennten Packungs-Zuschnitte kann dabei erfindungsgemäß durch den Bändern in Förderrichtung vorgeordnete Zugwalzen bestimmt werden, die äußerstenfalls, nämlich bei maximaler Länge der Packungs-Zuschnitte, mit gleicher Geschwindigkeit umlaufen wie die Bänder. Bei kürzeren Packungs-Zuschnitten wird die Bahn durch entsprechend eingestellte Geschwindigkeit der Zugwalzen im Bereich der Bänder bis zur Trennstelle schlupfend gefördert.The separating knife, which is preferably arranged on a rotating knife roller and cooperates with a stationary counter knife, runs synchronously with the belts, preferably at the same speed. The length of the cut pack blanks can be determined according to the invention by the rolls arranged upstream of the belts in the conveying direction, which at most, namely at the maximum length of the pack blanks, run at the same speed as the belts. In the case of shorter pack blanks, the web is slipped by the correspondingly set speed of the pull rollers in the area of the belts up to the separation point.

Weitere Merkmale der Erfindung sind Gegenstand von Unteransprüchen.Further features of the invention are the subject of dependent claims.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher er= läutert. Es zeigt

  • Fig. 1 eine Vorrichtung zum Herstellen und Führen von Packungs-Zuschnitten in schematischer Seitenansicht,
  • Fig. 2 eine Vorderansicht eines Teils der Vorrichtung entsprechend Pfeil 11 in Fig. 1,
  • Fig. 3 einen Ausschnitt der Förderstrecke der Vorrichtung in Ansicht, bei vergrößertem Maßstab,
  • Fig. 4 einen Horizontalschnitt IV-IV der Fig. 1 im Bereich einer ersten Messeranordnung,
  • Fig. 5 einen weiteren Horizontalschnitt V-V der Fig. 1 im Bereich der den Trennschnitt ausführenden Messeranordnung,
  • Fig. 6 einen versetzten Querschnitt VI-VI in Fig. 1.
An embodiment of the invention will in the following he explains with reference to the drawings. It shows
  • 1 shows a device for producing and guiding pack blanks in a schematic side view,
  • 2 is a front view of part of the device according to arrow 11 in FIG. 1,
  • 3 shows a detail of the conveyor path of the device in view, on an enlarged scale,
  • 4 shows a horizontal section IV-IV of FIG. 1 in the area of a first knife arrangement,
  • 5 shows a further horizontal section VV of FIG. 1 in the area of the knife arrangement performing the separating cut,
  • 6 shows an offset cross section VI-VI in FIG. 1st

Bei dem gezeigten Ausführungsbeispiel der Vorrichtung werden Packungs-Zuschnitte 10 von einer fortlaufenden Bahn 11 des Verpackungsmaterials, zum Beispiel einer Kunststoffolie, abgetrennt und in vertikaler Ebene einer Verarbeitungsstation 12 zugeführt. In deren Bereich wird der Zuschnitt U-förmig um eine quer zugeführte Packung 13 oder einen sonstigen Gegenstand herumgefaltet. Die Packung 13 wird hier auf einer horizontalen Packungsbahn 45 transportiert und unter Mitnahme des in vertikaler Ebene bereitgehaltenen Packungs-Zuschnitts 10 durch ein Mundstück 14 hindurchgeführt. Dabei legt sich der Packungs-Zuschnitt 10 U-förmig um die Pakkung 13 herum. Im Anschluß an das Mundstück 14 finden Packung 13 und Packungs-Zuschnitt 10 Aufnahme in einer Tasche 15 eines Faltrevolvers 16.In the exemplary embodiment of the device shown, pack blanks 10 are separated from a continuous web 11 of packaging material, for example a plastic film, and fed to a processing station 12 in the vertical plane. In the area thereof, the blank is folded in a U shape around a transversely supplied pack 13 or another object. The pack 13 is transported here on a horizontal pack track 45 and passed through a mouthpiece 14 with the pack blank 10 held ready in the vertical plane. In this case, the pack blank 10 lies around the pack 13 in a U-shape. Following the mouthpiece 14, pack 13 and pack blank 10 are received in a pocket 15 of a folding turret 16.

Die von oben her zulaufende Bahn 11 wird durch zwei angetriebene, hinsichtlich ihrer Geschwindigkeit steuerbare Zugwalzen 17 und 18 gefördert. Im Anschluß an diese Zugwalzen 17 und 18 tritt die Bahn 11 im Bereich einer geführten Förderstrecke ein. Diese ist durch aufrecht angeordnete, umlaufende Bänder 20 und 21 definiert. Durch diese wird zunächst die Bahn 11 und im weiteren Verlauf der aufrechten Förderstrekke der Packungs-Zuschnitt 10 erfaßt, gefördert und gehalten.The web 11 tapering from above is conveyed by two driven pull rollers 17 and 18 which are controllable in terms of their speed. Following these pull rollers 17 and 18, the web 11 enters in the area of a guided conveyor line. This is defined by upright belts 20 and 21. Through this, the web 11 and in the further course of the upright conveying path of the pack blank 10 is first detected, conveyed and held.

Die zugfesten, flexiblen Bänder 20, 21 laufen über gemeinsame obere und untere Umlenkwalzen 22 und 23, von denen beispielsweise die obere angetrieben sein kann. Zur Führung der Bänder 20, 21 sind die Umlenkwalzen 22, 23 mit Vertiefungen 44 etwa in der Breite der Bänder 20, 21 versehen.The tensile, flexible belts 20, 21 run over common upper and lower deflecting rollers 22 and 23, of which the upper one can be driven, for example. To guide the belts 20, 21, the deflecting rollers 22, 23 are provided with depressions 44 approximately in the width of the belts 20, 21.

Die Bänder 20 und 21 sind mit Abstand voneinander angeordnet, derart, daß die Bahn 11 sowie der Packungs-Zuschnitt 10 mit einem seitlichen Streifen Anlage an einander zugekehrten, inneren Randbereichen der Bänder 20, 21 erhält. Hier werden Bahn 11 und Packungs-Zuschnitt 10 ununterbrochen, als über die gesamte Förderstrekke hinweg, durch Haftung an den Bändern 20, 21 fixiert. Die Haftung wird bei dem vorliegenden Ausführungsbeispiel durch Beaufschlagung mit Saugluft bewirkt. Die Bänder 20, 21 sind zu diesem Zweck im Bereich der Anlaoe von Bahn 11 und Packungs-Zuschnitt 10 mit einer Reihe von Sauglöchern 24 versehen. Durch diese wird Saugluft an Bahn 11 und Packungs-Zuschnitt 10 zur lösbaren Fixierung an den Bändern 20,21 herangeführt.The tapes 20 and 21 are arranged at a distance from one another in such a way that the web 11 and the pack blank 10 with a lateral strip are in contact with mutually facing inner edge regions of the tapes 20, 21. Here, web 11 and package blank 10 are fixed uninterruptedly, as across the entire conveying path, by adhesion to the belts 20, 21. In the present exemplary embodiment, liability is brought about by exposure to suction air. For this purpose, the strips 20, 21 are provided with a series of suction holes 24 in the area of the web 11 and the package blank 10. Through this suction air is fed to the web 11 and the pack blank 10 for releasable fixation to the bands 20, 21.

Zur Bildung der Packungs-Zuschnitte 10 wird im Bereich der Förderstrecke, also im Bereich der Bänder 20, 21, ein quergerichteter Trennschnitt 25 in der Bahn 11 ausgeführt, der sich über die volle Breite der Bahn 11 erstreckt. Der Trennschnitt 25 wird durch eine ortsfeste Messereinrichtung 26 ausgeführt, die hier aus einem umlaufenden Trennmesser 27 und einem feststehenden Gegenmesser 28 besteht. Das Trennmesser 27 ist auf einer drehbar angetriebenen Messerwalze 29 angeordnet.In order to form the pack blanks 10, a transverse cut 25 is made in the web 11 in the area of the conveyor line, ie in the area of the belts 20, 21, which extends over the full width of the web 11. The separating cut 25 is carried out by a stationary knife device 26, which here consists of a rotating separating knife 27 and a fixed counter knife 28. The cutting knife 27 is arranged on a rotatably driven knife roller 29.

Die Bänder 20, 21 sind in Abständen mit langlochartigen Ausnehmungen 30 und 31 versehen, die im Bereich der einander zugekehrten Seiten gebildet sind und die eine solche Querabmessung aufweisen, daß das Trennmesser 27 mit Gegenmesser 28 mit ihrer vollen Länge zur Wirkung kommen können, unter Durchtritt von Endbereichen durch die Ausnehmungen 30 und 31. Die Ausnehmungen 30, 31 sind, wie insbesondere aus Fig. 2 und 3 ersichtlich, etwas tiefer als dies der Länge des Trennmessers 27 und des Gegenmessers 28 entspricht. Diese wiederum sind etwas länger als die Breite der Bahn 11.The bands 20, 21 are provided at intervals with slot-like recesses 30 and 31 which are formed in the region of the sides facing one another and which have such a transverse dimension that the separating knife 27 with counter knife 28 can come into effect with their full length, under passage from end regions through the recesses 30 and 31. The recesses 30, 31 are, as can be seen in particular from FIGS. 2 and 3, somewhat deeper than this corresponds to the length of the separating knife 27 and the counter knife 28. These in turn are somewhat longer than the width of the web 11.

Die Bänder 20, 21 können, da die Ausnehmungen 30 und 31 einen ungehinderten Durchtritt der Messer 27,28 gewährleisten, in jeder geeigneten Breite ausgebildet sein. Außerhalb des Bereichs der Ausnehmungen 30, 31, also im durchgehenden Teil der Bänder 20,21, sind Mitnehmerlöcher 32 angeordnet, in die zapfenartige Vorsprünge 33 der angetriebenen, im vorliegenden Falle also oberen Umlenkwalze 22 formschlüssig eintreten, um die Antriebskraft auf die Bänder 20, 21 zu übertragen.The bands 20, 21 can, since the recesses 30 and 31 ensure unimpeded passage of the knives 27, 28, be formed in any suitable width. Outside the area of the recesses 30, 31, that is to say in the continuous part of the belts 20, 21, driver holes 32 are arranged, into which pin-like projections 33 of the driven, in the present case upper deflection roller 22, enter in a form-fitting manner in order to apply the driving force to the belts 20, 21 to be transferred.

Eine Einrichtung zur Übertragung der Saugluft auf die Bänder 20, 21 ist hier beispielhaft in gleicher Weise ausgebildet wie bei der DE-PS 2 530 992. Die Bänder 20, 21 bzw. deren der Bahn 11 bzw. den Packungs-Zuschnitten 10 zugekehrter Trum laufen im Bereich einer aufrechten Stützplatte 34. Diese erstreckt sich seitlich über die Bänder 20, 21 hinaus. Die der Bahn 11 bzw. den Packungs-Zuschnitten 10 zugekehrte Oberfläche der Stützplatte 34 ist im wesentlichen bündig mit der äußeren Oberseite der Bänder 20, 21. Diese werden in entsprechend dimensionierten flachen Nuten 35, 36 der Stützplatte 34 geführt (siehe insbes. Fig. 6).A device for transmitting the suction air to the belts 20, 21 is designed here, for example, in the same way as in DE-PS 2 530 992. The belts 20, 21 or their strands facing the web 11 or the pack blanks 10 run in the area of an upright support plate 34. This extends laterally beyond the bands 20, 21. The surface of the support plate 34 facing the web 11 or the pack blanks 10 is essentially flush with the outer upper side of the strips 20, 21. These are guided in correspondingly dimensioned flat grooves 35, 36 of the support plate 34 (see in particular Fig. 6).

Auf der von der Bahn 11 bzw. den Packungs-Zuschnitten 10 abgekehrten Seite der Bänder 20, 21 schließen schmale, aufrechte Saugdüsen 37, 38 mit Saugleitungen 39,40 an die Stützplatte 34 an. Die Saugdüsen 37, 38 erstrecken sich nahezu über die gesamte Höhe der Bänder 20, 21. Die Saugleitungen 39, 40 sind an eine Unterdruckquelle angeschlossen.On the side of the belts 20, 21 facing away from the web 11 or the pack blanks 10, narrow, upright suction nozzles 37, 38 with suction lines 39, 40 connect to the support plate 34. The suction nozzles 37, 38 extend almost over the entire height of the belts 20, 21. The suction lines 39, 40 are connected to a vacuum source.

Bei den vorliegenden Ausführungsbeispielen ist der Förderstrecke 19 eine weitere Messeranordnung 41 vorgeordnet. Diese dient zusammen mit einer hier vor den Zugwalzen 17 und 18 liegenden, in Längsrichtung arbeitenden Trennvorrichtung 42 zum Herstellen einer Grifflasche 43 für die Bildung eines Aufreißstreifens an dem Packungs-Zuschnitt 10.In the present exemplary embodiments, a further knife arrangement 41 is arranged upstream of the conveyor section 19. This serves together men with a here in front of the pulling rollers 17 and 18, working in the longitudinal direction separating device 42 for producing a grip tab 43 for forming a tear strip on the package blank 10th

Durch Einstellung der Umlaufgeschwindigkeit der Zugwalzen 17 und 18 können bei gleichbleibender Fördergeschwindigkeit der Bänder 20, 21 unterschiedliche Zuschnittformate bzw. -längen gefahren werden. Der Abstand der Ausnehmungen 30 und 31 eines Bandes 20, 21 voneinander ist auf eine bestimmte, maximale Zuschnittlänge ausgelegt. Diese wird erreicht, wenn die Bahn 11 durch entsprechenden Antrieb der Zugwalzen 17, 18 mit gleicher Geschwindigkeit zugeführt wird. Durch geringere Umlaufgeschwindigkeit der Zugwalzen 17, 18 und entsprechende Reduzierung der Fördergeschwindigkeit der Bahn 11 kann - unter schlupfender Mitnahme derselben durch die Bänder 20, 21 - eine kürzere Zuschnittlängeerreicht werden.By adjusting the rotational speed of the drawing rollers 17 and 18, different cutting formats or lengths can be carried out with the conveying speed of the belts 20, 21 remaining the same. The distance between the recesses 30 and 31 of a band 20, 21 from one another is designed for a specific, maximum cutting length. This is achieved when the web 11 is fed at the same speed by appropriate driving of the pull rollers 17, 18. A lower cutting length can be achieved by a lower rotational speed of the pulling rollers 17, 18 and a corresponding reduction in the conveying speed of the web 11, with slippery entrainment by the belts 20, 21.

Mit der beschriebenen Vorrichtung sind Bahnen und Zuschnitte aus »kritischem« Werkstoff und eine längere Strecke einwandfrei durch eine ununterbrochene seitliche Halterung und Führung transportierbar. Die Bänder ertrecken sich dabei bis unterhalb des Mundstücks 14 der Pakkungsbahn 45. Dadurch wird der Zuschnitt 10 oberhalb und unterhalb des Mundstücks 14 fixiert. Die Abstände der Bänder 20, 21 voneinander sind dabei so gewählt, daß die Packung 13 zwischen diesen Bändern 20, 21 hindurchbewegt werden kann unter schlupfendem Abziehen des Zuschnitts 10.With the device described, webs and blanks made of "critical" material and a longer distance can be transported perfectly by means of an uninterrupted lateral holder and guide. The tapes extend below the mouthpiece 14 of the packaging web 45. As a result, the blank 10 is fixed above and below the mouthpiece 14. The spacing of the bands 20, 21 from one another is chosen such that the pack 13 can be moved between these bands 20, 21 while the blank 10 is slipped off.

Claims (3)

1. Apparatus for producing pack blanks by cutting from a continuous web as well as for feeding to a pack or the like, it being possible to cut the pack blank from the continuous web by means of cutting knives and both the web and the pack blank can be conveyed by rotary belts, which have a sufficient spacing from one another to permit the passage of a pack and with which the pack blank is in engagement over its entire length, the belts having in the vicinity of the engagement surface of the web or pack blank suction holes subject to the action of suction air which holds the web or pack blank in the vicinity of the lateral edges thereof, characterized in that the belts (20, 21) are provided with recesses arranged at right angles to the feed direction and in the same transverse plane, which are made to correspond with the passage of the cutting knife (27), in that they are constructed as elongated holes open towards the inside of the belts (20, 21) and facing one another, said holes extending slightly beyond the lateral edges of the web (11) or pack blank (10).
2. Apparatus according to claim 1, characterized in that outside the area of the suction holes (24) and outside the area of the engagement of web (11) or pack blank (10), drive holes (32) are provided in belts (20, 21) for the conveying of the latter by guide rollers (22, 23) or the like.
3. Apparatus according to claims 1 or 2, characterized in that the conveying speed of - belts (20, 21) exceeds or corresponds to the conveying speed of web (11), particularly as a result of a corresponding operating speed of the feed rollers (17, 18).
EP80107761A 1979-12-11 1980-12-09 Apparatus for producing packaging blanks by separation from a continuously moving web Expired EP0031515B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792949685 DE2949685A1 (en) 1979-12-11 1979-12-11 DEVICE FOR PRODUCING PACKAGE CUTS BY SEPARATING FROM A CONTINUOUS TRAIN
DE2949685 1979-12-11

Publications (2)

Publication Number Publication Date
EP0031515A1 EP0031515A1 (en) 1981-07-08
EP0031515B1 true EP0031515B1 (en) 1984-07-18

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ID=6088087

Family Applications (1)

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EP80107761A Expired EP0031515B1 (en) 1979-12-11 1980-12-09 Apparatus for producing packaging blanks by separation from a continuously moving web

Country Status (7)

Country Link
US (1) US4385479A (en)
EP (1) EP0031515B1 (en)
JP (1) JPS5684234A (en)
BR (1) BR8008077A (en)
CA (1) CA1145242A (en)
DE (2) DE2949685A1 (en)
SU (1) SU1071217A3 (en)

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Publication number Priority date Publication date Assignee Title
WO2011032625A1 (en) 2009-09-18 2011-03-24 Focke & Co. (Gmbh & Co. Kg) Packages, in particular for cigarettes, and method and device for producing the same
DE102009041900A1 (en) 2009-09-18 2011-04-07 Focke & Co.(Gmbh & Co. Kg) Packings, in particular for cigarettes, and method and apparatus for producing the same
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WO2011069575A1 (en) 2009-12-09 2011-06-16 Focke & Co. (Gmbh & Co. Kg) Packs, in particular for cigarettes, and method and apparatus for producing said packs
EP2599734A1 (en) 2009-12-09 2013-06-05 Focke & Co. (GmbH & Co. KG) Package, in particular for cigarettes
US8826633B2 (en) 2009-12-09 2014-09-09 Focke & Co. (Gmbh & Co. Kg) Packs, in particular for cigarettes, and method and apparatus for producing said packs
US9788575B2 (en) 2009-12-09 2017-10-17 Focke & Co. (Gmbh & Co. Kg) Packs, in particular for cigarettes, and method and apparatus for producing said packs

Also Published As

Publication number Publication date
BR8008077A (en) 1981-06-30
CA1145242A (en) 1983-04-26
JPH0146376B2 (en) 1989-10-06
EP0031515A1 (en) 1981-07-08
JPS5684234A (en) 1981-07-09
DE2949685A1 (en) 1981-06-19
DE3068625D1 (en) 1984-08-23
US4385479A (en) 1983-05-31
SU1071217A3 (en) 1984-01-30

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