EP2288559A1 - Équipement et procédé de production de découpes à partir d'une bande de film - Google Patents

Équipement et procédé de production de découpes à partir d'une bande de film

Info

Publication number
EP2288559A1
EP2288559A1 EP09769042A EP09769042A EP2288559A1 EP 2288559 A1 EP2288559 A1 EP 2288559A1 EP 09769042 A EP09769042 A EP 09769042A EP 09769042 A EP09769042 A EP 09769042A EP 2288559 A1 EP2288559 A1 EP 2288559A1
Authority
EP
European Patent Office
Prior art keywords
conveyor
film web
separation point
rollers
pair
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Withdrawn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
EP09769042A
Other languages
German (de)
English (en)
Inventor
Bernhard Schmid
Manuel Kollmuss
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
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 filed Critical Krones AG
Publication of EP2288559A1 publication Critical patent/EP2288559A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B65H35/10—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 devices for breaking partially-cut or perforated webs, e.g. bursters
    • 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
    • B65H35/06—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 blade, e.g. shear-blade, cutters or perforators
    • 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
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/12—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by tearing along perforations or lines of weakness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/20—Acceleration or deceleration
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • 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
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • 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
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • Y10T83/0341—Processes
    • 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
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • Y10T83/0363—Plural independent scoring blades
    • Y10T83/037—Rotary scoring blades
    • 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
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • Y10T83/0385—Rotary scoring blade

Definitions

  • the present invention relates to an apparatus for producing individual blanks from a film web. Each individual blank is produced separately in the device and transported on via a corresponding conveyor.
  • the individual blanks are preferably used as outer packaging and / or for the formation of containers in the packaging industry.
  • the invention relates to a method for producing separation points in a film web.
  • the invention relates to a method for producing individual blanks from a film web.
  • the transport of the film web takes place with a first conveyor which feeds the film web to the device.
  • With a second conveyor the removal of the formed individual blanks (2) takes place from the device.
  • German Utility Model DE 20 2004 011 334 111 discloses a device for cutting off individual sections of a film web.
  • the individual sections are produced by cutting the film web completely at a defined point with a knife.
  • a close to the knife orbit approaching guide takes the single section and passes it to a downstream conveyor on.
  • the problem with the known prior art is that the single section between the blade shaft and the guide must overcome a free space of three to five centimeters. In this area, it often happens that the single section is not picked up correctly by the guide and wraps around the blade shaft or gets caught elsewhere in the device.
  • Another disadvantage is the high wear on the knife, which is attached to the blade shaft. This knife blunts very quickly and must therefore be replaced often.
  • the invention has for its object to ensure the trouble-free feeding of foil blanks to a further processing machine.
  • Another object of the invention is to provide a method by which a trouble-free feeding of foil blanks to a further processing machine is possible.
  • the device for producing individual blanks from a film web is provided with a first conveyor for feeding the film web and a second conveyor for transporting the individual blanks.
  • a device for generating at least one potential separation point is arranged in the first conveyor.
  • the second conveyor is associated with a guide system for the film web.
  • a control device is provided which controls the device in such a way that an individual blank is separated from the film web in the region of the guide system, so that a tear-off (38) of the individual blank (2) is formed.
  • the guide system comprises a foil rake or a belt conveyor with applied vacuum.
  • the guide system comprises a foil rake and a belt conveyor with applied vacuum.
  • the foil rake prevents the foil web or the individual blank from dodging upwards.
  • the belt conveyor with applied vacuum also ensures the safe further transport of the generated individual blank.
  • the first conveyor comprises a first pair of rollers and a second pair of rollers.
  • the first conveyor may now consist of a first pair of rollers.
  • the second conveyor is formed of a third pair of rollers, a belt conveyor to which a negative pressure is applied and a foil rake.
  • For feeding the film web is in the first conveyor used at least one pair of rollers.
  • This first pair of rollers consists of two rollers, between which the film web is guided. As a result of the rotation of the rolls and the pressure which the rolls exert on one another, the film web in the first conveyor is fed to the device for producing at least one potential separation point.
  • the device for generating at least one potential separation point can be designed as a laser that generates a specific perforation pattern in the film web. At this potential separation point, the individual blank is ultimately separated from the film web. According to a further embodiment, the device for generating at least one potential separation point may be a knife mounted on a knife shaft.
  • At least one pair of rollers is used in the downstream second conveyor.
  • a guide system is provided in the second conveyor.
  • Another possible embodiment of the first conveyor is the use of an additional, second pair of rollers.
  • the device for generating the at least one potential separation point is then arranged between the first pair of rollers and the second pair of rollers.
  • the device likewise comprises a control device which delays a transport speed of the first conveyor in comparison to the second conveyor if the potential separation point of the film web is in the region of the guide system. This achieves the demolition (38) of the respective individual blank of the trailing film web. It is particularly advantageous that the film web is guided before the demolition of the individual blank by the guide system of the second conveyor.
  • control device increases a transport speed of the second conveyor in comparison to the first conveyor when the potential separation point of the film web is in the guide system of the second conveyor. It is also advantageous if containers or articles are wrapped with a single blank, which has been produced according to the device according to the invention.
  • the knife for producing the at least one potential separation point can be attached to a punch.
  • the knife is driven vertically from above or below through the film web and moves after the production of at least one separation point back to its original position.
  • the length of the individual blanks is controlled by the interval at which the knife is moved up or down.
  • the material of the film web is processed such that at least one perforation opening and at least two perforation webs are formed.
  • the area ratio that sets in through the perforation is characterized in that the perforation in the area ratio has more perforation openings than perforation webs. Furthermore, it makes sense to design the perforation webs very narrow, so that a secure demolition of the individual blank can be formed by the film web.
  • Another advantage is the method for producing individual blanks from a film web.
  • the transport takes place with a first conveyor for feeding the film web and a second conveyor for removing the individual blanks formed from the film web.
  • At least one potential separation point is produced in the film web in the first conveyor with a device for generating at least one potential separation point.
  • the film web is fed to the second conveyor continuously with the at least one separation point.
  • a control device controls depending on the position in the guide system of the second conveyor, the transport speed of the first conveyor with respect to the transport speed of the second conveyor such that a demolition of the individual blank is formed.
  • the individual blanks produced by the method according to the invention are used for the packaging of individual and / or the formation of containers.
  • Figure 1 shows schematically an apparatus for producing individual blanks from a film web.
  • Figure 2 shows a schematic representation of the production of a perforation by a rotating knife.
  • Figure 3 shows a schematic representation of the production of the perforation by a knife which performs a pitch circle movement on a knife shaft.
  • Figure 4 shows a schematic representation of the production of the perforation by a knife which is attached to a punch.
  • FIG. 5 schematically shows the perforation which has been introduced into the film web.
  • Figure 6 shows schematically the separation of the film web by delaying the transport speed of the first conveyor.
  • Figure 7 shows schematically the separation of the film web by increasing the transport speed of the second conveyor.
  • the first conveyor 12 has in the embodiment shown here a device 16 for producing at least one potential Separation point 30.
  • the first conveyor 12 is used to that the device 16 for producing at least one potential separation point 30, the film web 1 is supplied.
  • the first conveyor 12 consists of at least a first pair of rollers 20.
  • the first conveyor 12 has a first and a second pair of rollers 20, 22.
  • the device 16 for producing at least one potential separation point 30 may comprise a knife 42.
  • the knife 42 is attached to a blade shaft 40, whereby at least one potential separation point 30 can be produced in the film web 1. With the cutting edge 60, the film web 1 is supported during immersion of the knife 42 down, so that the film web 1 is supported against bending.
  • the second conveyor 14 further comprises a guide system 5.
  • the guide system 5 is provided with a foil screen 6 and a belt conveyor 10 with applied negative pressure. By the guide system 5 a bleeding of the film web 1 is prevented upwards. The removal of the film web 1 is carried out by the second conveyor 14.
  • the second conveyor 14 consists in the embodiment shown here of at least a third pair of rollers 24 and the belt conveyor 10 already mentioned above.
  • a negative pressure can be applied, thereby characterized the isolated individual blank 2 can be kept for safe onward transport.
  • a special control device 15 for the transport or rotational speed of the first and second conveyor 12, 14 the film web 1 is separated at the separation point 30 to individual blanks 2. The separation takes place by a demolition of the individual blank 2 of the film web. 1
  • FIG. 2 shows a schematic illustration of the production of the perforation 32 with the device 16 for producing at least one potential separation point 30.
  • the production of the at least one potential separation point 30 is restricted to the use of a knife 42. However, this should not be construed as limiting the invention. It will be understood by one skilled in the art that the means 16 for producing the at least one potential separation point 30 may take several embodiments.
  • the perforation 32 is made by a knife 42 which is mounted on a knife shaft 40.
  • the knife shaft 40 rotates in the direction of rotation 102, which is directed in the transport direction 100 of the film web 1.
  • the knife is also moved by means of a cam control in order to minimize unnecessary impact of the knife on the film web 1.
  • the knife 42 is guided past the cutting edge 60, which supports the film web 1, so that it is not moved by the impingement of the knife 42 down.
  • FIG. 3 shows a schematic representation of the production of the perforation 32 in the device 16 for producing at least one potential separation point 30.
  • the perforation 32 is produced by a knife 42 which is fastened on a knife shaft 40.
  • the direction of rotation 102 of the knife shaft 40 is directed in this embodiment, the transport direction 100 of the film web 1 opposite.
  • the knife 42 on the blade shaft 40 describes a pitch circle movement. This pitch circle movement corresponds to a cutting radius 44 between 90 degrees and 120 degrees.
  • the knife 42 After the knife 42 has made the perforation 32 in the film web 1, it is returned to its original position 46.
  • the knife 42 is guided past the cutting edge 60, which supports the film web 1, so that it is not moved by the impingement of the knife 42 down.
  • FIG. 4 shows a schematic representation of a further embodiment of the production of the perforation 32 in the device 16 for producing at least one potential separation point 30.
  • the perforation 32 is produced by a knife 42 which is fastened to a punch 50.
  • the punch 50 is moved downwards from its starting position 46 in the punching direction 52 and thus pushed through the film web 1.
  • the knife 42 is guided past the cutting edge 60, which supports the film web 1, so that it is not moved by the impingement of the blade 42 down.
  • the punch 50 is moved back to its original position 46.
  • FIG. 5 schematically shows how a plurality of perforations 32 are arranged in the film web 1.
  • the film web 1 is fed in the transport direction 100 of the device 16 for producing a separation point 30.
  • the perforation 32 is introduced into the film web 1.
  • perforation 34 and Perforationsstege 36 are substantially narrower in relation to the perforation openings 34 and thus ensure the secure singleness of the film web 1 in individual sections 2.
  • FIG. 6 shows the separation of the film web 1 into individual sections 2.
  • the control device 15 is not shown for reasons of clarity in the following figures.
  • the transport speed generated by the first pair of rollers 20 is briefly reduced.
  • the transport speed of the second conveyor 14, which is essentially given by the third pair of rollers 24, continues to be operated at a constant and continuous transport speed.
  • the tensile force 1 10 increases to the film web 1 such that it tears at the potential separation point 30 and forms the tear 38.
  • the transport path 1 is separated into the individual sections 2.
  • FIG. 7 shows a further embodiment for separating the film web 1 into individual sections 2.
  • at least the transport speed of the second conveyor 14 is accelerated for a short time, so that over the third pair of rollers 24 acting on the film web 1 tensile force 1 10 is increased.
  • the at least first pair of rollers 20 of the first conveyor 12 is further operated such that a constant and continuous transport speed is present. Due to the temporarily increased transport speed of the second conveyor 14, the tensile force 110 increases on the film web 1 such that it tears at the intended, potential separation point 30 and is separated into individual sections 2.

Landscapes

  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

L'invention concerne un équipement et un procédé pour la production de découpes individuelles (2) à partir d'une bande de film (1) et pour leur transport. Un premier convoyeur (12) amène la bande de film (1) à un dispositif (16) destiné à produire au moins un point de découpage potentiel (30). Un deuxième convoyeur (14) évacue les découpes individuelles (2) produites et les amène à la suite de la transformation. Les découpes individuelles (2) sont déchirées (38) au niveau d'un système de guidage (5) du deuxième convoyeur (14).
EP09769042A 2008-06-26 2009-03-27 Équipement et procédé de production de découpes à partir d'une bande de film Withdrawn EP2288559A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810030489 DE102008030489A1 (de) 2008-06-26 2008-06-26 Vorrichtung und Verfahren zum Herstellen von Einzelzuschnitten aus einer Folienbahn
PCT/EP2009/053682 WO2009156193A1 (fr) 2008-06-26 2009-03-27 Équipement et procédé de production de découpes à partir d'une bande de film

Publications (1)

Publication Number Publication Date
EP2288559A1 true EP2288559A1 (fr) 2011-03-02

Family

ID=40746627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09769042A Withdrawn EP2288559A1 (fr) 2008-06-26 2009-03-27 Équipement et procédé de production de découpes à partir d'une bande de film

Country Status (6)

Country Link
US (1) US8651006B2 (fr)
EP (1) EP2288559A1 (fr)
JP (1) JP2011525465A (fr)
CN (1) CN102036893A (fr)
DE (1) DE102008030489A1 (fr)
WO (1) WO2009156193A1 (fr)

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WO2009156193A1 (fr) 2009-12-30
JP2011525465A (ja) 2011-09-22
DE102008030489A1 (de) 2009-12-31
US20110089212A1 (en) 2011-04-21
US8651006B2 (en) 2014-02-18
CN102036893A (zh) 2011-04-27

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