EP1968874B1 - PROCEDE POUR délivrer une BOBINE ET dispositif de raccordement POUR LA MISE EN OEUVRE DE CE PROCEDE - Google Patents

PROCEDE POUR délivrer une BOBINE ET dispositif de raccordement POUR LA MISE EN OEUVRE DE CE PROCEDE Download PDF

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Publication number
EP1968874B1
EP1968874B1 EP07818014A EP07818014A EP1968874B1 EP 1968874 B1 EP1968874 B1 EP 1968874B1 EP 07818014 A EP07818014 A EP 07818014A EP 07818014 A EP07818014 A EP 07818014A EP 1968874 B1 EP1968874 B1 EP 1968874B1
Authority
EP
European Patent Office
Prior art keywords
roll
flat material
positioning element
film
station
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.)
Active
Application number
EP07818014A
Other languages
German (de)
English (en)
Other versions
EP1968874A2 (fr
Inventor
Tuchwat Schagidow
Manfred Van Triel
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 GmbH
Original Assignee
KHS GmbH
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 GmbH filed Critical KHS GmbH
Publication of EP1968874A2 publication Critical patent/EP1968874A2/fr
Application granted granted Critical
Publication of EP1968874B1 publication Critical patent/EP1968874B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • 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
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B65H23/1886—Synchronising two or more 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/4601—Splicing special splicing features or applications
    • B65H2301/46013—Splicing special splicing features or applications and maintaining register of spliced 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/81—Packaging machines

Definitions

  • the invention relates to a method according to the preamble of claim 1 and to a supply unit for performing this method according to the preamble of claim 9.
  • a method of the generic type is known ( DE 10 2004 032 528 B3 ).
  • this known method the positionally accurate fastening of the starting or connecting portion of the flat material provided for a roll change connection roller using a clamping rail, the outside of the supply unit or provided there for the roll change connection station using a gauge at the beginning of the sheet of the Attachment roller is attached.
  • connection roller clamping rail transported together with this connection roller to the connection station and then there must be attached to the positioning, which means at least a relatively complex handling and in confined spaces is often not feasible.
  • the object of the present invention is to simplify the provision of a connection roller for the roll change.
  • a method according to claim 1 is formed.
  • a supply unit for carrying out this method is the subject of claim 9.
  • connection between the beginning of the roll of sheet material to be provided is made directly at the positioning of the connection station by clamping, ie this positioning is formed as a clamping element or pinch roller.
  • clamp fastening is then carried out by turning, for example by manually rotating the pinch roller the position and / or connection accurate alignment of the sheet material of the connection roller, to achieve a transition-correct connection of the sheet material during roll change.
  • the supply unit serves for supplying a flat material and, in the illustrated embodiment, specifically for feeding a weldable plastic or packaging film 2 to a packaging machine (not shown).
  • the supply unit 1 has for this purpose on a machine frame 3 u.a. two with their axis in the horizontal direction oriented parallel mandrels 4 and 5, each for receiving a roll 6 or 7 (film roll) of the plastic or packaging film 2 are used, of which one role each in running packaging machine in use role is, from which the film 2 is withdrawn in the direction of arrow A and the packaging machine is supplied, while the other role is available as an exchange or connection roller for a roll change.
  • the Figures 2 and 3 show - in each case in a state of the supply unit 1 immediately before a roll change - again the two mandrels 4 and 5, on these thorns arranged rollers 6 and 7, of which in the illustrated state, the roller 7 is in use and the roller 6 for a roll change is ready, as well as more with their axes parallel to each other and parallel to the mandrels 4 and 5 arranged deflection and guide rollers 8 - 10 for the packaging film 2.
  • the deflection and guide rollers 8-10 are both ends in a frame 11 also on Machine frame 3 mounted connection or welding station 12 rotatably mounted.
  • the guide roller 8 is assigned to the mandrel 4 and the guide roller 9 the mandrel 5.
  • the two guide rollers 10 together with another Roller 13 means 14 in particular for the controlled change or cancellation of the film tension during the roll change.
  • this film 2 is guided over all three rollers 10 and 13.
  • the roller 13 at both ends rotatably mounted on a respective pivot arm 13.1, on which an actuator, such as a pneumatic cylinder 13.2 for a controlled pivoting of the pivot arm 13.1 and thus the roller 13 acts.
  • the roller 13 is used in conjunction with the film clamping device for printing image correct positioning of the film.
  • Another component of the welding station 12 is a double-ended in frame 11 rotatably mounted pinch roller 15 which forms a clamping slot 16, in the illustrated embodiment in that the pinch roller 15 at least on their required for the function of the welding station 12 part length in two parts from the two sides
  • the clamping slot 16 arranged parts 15.1 and 15.2 is executed, which are clamped for clamping each one of the beginning of the film against each other.
  • the rotation of the pinch roller 15 and possibly also the opening and closing of the nip 16 carried out in the illustrated embodiment manually with a rotary and switching crank 17, which is provided at one end of the pinch roller 15.
  • Component of the welding station 12 are further two heatable welding rails 18, which lie with their longitudinal extent parallel to the axis of rotation of the pinch roller 15, offset by an angle of slightly smaller than 180 ° about this axis of rotation and controlled by actuators (eg pneumatic cylinder) on the Pinch roller 15 are movable to and from this path.
  • actuators eg pneumatic cylinder
  • the joining of the film beginning with the pinch roller 15 is carried out in such a way that when the roll is changed, a side-to-side film connection takes place.
  • the pinch roller 15 is rotated after attaching the beginning of the film so that the direction of rotation B is opposite to the film adjacent to the peripheral region of the pinch roller 15 of the direction of movement A of the film used.
  • an alignment rail 19 is provided, which is oriented with its longitudinal extent parallel to the axis of the pinch roller 15 and extends over the entire film width.
  • Ausrichtschiene 19 which is ready for the roll change film 2 of the roller 6 with provided on the film markers, such as print marks 2.1, aligned exactly.
  • the alignment of the film on the alignment rail takes place in such a way that the marking applied on the film (print mark) is aligned with the alignment rail. This is done, for example, manually by the operator, who moves the film forward or back after insertion into the nip of the clamping shaft.
  • the pinch roller 15 is then secured in a suitable manner against rotation.
  • the alignment rail 19 is pivotally provided.
  • control computer 21 of the packaging machine connected to the sensor 20 recognizes the imminent consumption of the roll 6, 7 in use, the roll change is initiated by the control computer 21.
  • the sensor 20 or by another sensor 22, which scans on the film 2 existing markers, such as the print marks 2.1, finally, the slower removal of the film 2 is stopped.
  • the film between the used roller 6,7 and the packaging machine is now clamped by the clamping rail 14.1.
  • the actuator 13.2 and the associated pivoting of the pivot arm and arranged on this pulley 13 is now removed as much film from the roller 7 until the mark (print mark) of the film is detected by another sensor 20. This is the position in which a transition and / or printing image correct connection of the film 2 of the reeled film roll 6 is guaranteed to the film roll 2 used until then on the associated welding rail.
  • the initially permanent bias of the film 2 is reduced or eliminated at least in the region of the weld to be created by controlled pivoting of the roller 13 with the pneumatic cylinder 13.2.
  • a new roll 7 is placed on the mandrel 5 and the beginning of this role by clamping in the clamping slot 16 on the pinch roller 15 position and connection accurately attached and the Pinch roller rotated by means of the crank 17 so that the first inserted from above into the clamping slot 16 film 2, the pinch roller in turn encloses a large part of the roll circumference, but at least the film 2 of the roll 6 used facing peripheral region of the pinch roller at least one layer of the Foil 2 is surrounded and also the film 2 ready for the transition and / or printing image correct connection is exactly aligned.
  • the pinch roller 15 optionally in conjunction with a turning back of the roller 7 provided on the mandrel 5, in turn, the required film tension between this roller and the pinch roller 15 is set.
  • rollers 6 and 7 are already aligned exactly on the spines 4 and 5. This alignment then takes place so that the center lines of the films withdrawn from the rollers 7 and 6 lie in a common plane perpendicular to the axes of the mandrels 4 and 5 and preferably also in the center line of the product group.
  • FIG. 4 again shows one of the two mandrels 4 and 5 in detail, together with a roller 6 and 7.
  • a roller stopper 23 is provided axially adjustable. The setting of this stop is done for example by using a mandrel 4 or 5 also provided tape measure 24 or other aids, such as sensors, etc.

Claims (10)

  1. Procédé pour délivrer une bobine de suite (7, 6) lors d'un changement stationnaire de bobine dans une unité d'alimentation (1), qui sert à alimenter un matériau plat (2) en forme de bande dans une machine d'emballage ou une machine de traitement similaire depuis des bobines (6, 7) formant chacune une réserve de matériau plat, dans lequel pour le changement de bobine, lors duquel le matériau plat (2) de la bobine (6, 7) en cours d'utilisation est relié dans un poste de raccordement ou de jonction (12) à une zone de début ou de raccordement de la bobine de suite (7, 6) mise à disposition, cette zone de raccordement est positionnée exactement dans le poste de jonction pour un raccordement précis en transition dans la direction de la bande au niveau d'un élément de positionnement (15), le positionnement précis de la zone de raccordement respective du matériau plat (2) de la bobine de suite (7, 6) s'effectue au poste de raccordement ou de jonction (12),
    caractérisé en ce que
    pour cela, le matériau plat (2) de la bobine de suite est d'abord fixé par coincement au niveau de l'élément de positionnement (15), puis un ajustement de la zone de raccordement a lieu par rotation de l'élément de positionnement (15) et enroulement du matériau plat (2) de la bobine de suite sur l'élément de positionnement (15), et cela en utilisant des marquages (2.1) prévus sur le matériau plat (2) de la bobine de suite, ainsi qu'au moins un élément d'ajustement (19) situé au poste de jonction (12).
  2. Procédé selon la revendication 1, caractérisé en ce que l'élément de positionnement est conformé en cylindre de blocage (15).
  3. Procédé selon la revendication 2, caractérisé en ce que l'élément de positionnement est conformé en cylindre de blocage (15) avec une fente de blocage (16).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que la zone de raccordement du matériau plat (2) de la bobine de suite (7, 6) recouvre l'élément de positionnement (15) au niveau d'au moins une zone périphérique qui est proche du matériau plat (2) de la bobine (6, 7) en cours d'utilisation.
  5. Procédé selon la revendication 4, caractérisé en ce qu'après la jonction de la zone de raccordement avec l'élément de positionnement (15), celui-ci est tourné autour de son axe de telle manière que le matériau plat (2) recouvre au moins en une couche une zone périphérique de l'élément de positionnement (15) voisine du matériau plat (2) de la bobine (6, 7) en cours d'utilisation.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'ajustement précis du matériau plat (2) de la bobine de suite (7, 6) s'effectue en utilisant un rail d'ajustement (19) prévu au niveau du poste de jonction (12).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la jonction du matériau plat (2) en cours d'utilisation avec le matériau plat (2) de la bobine de suite (7, 6) est réalisée par chevauchement.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que, si l'on utilise un matériau plat en forme de film soudable (2), la jonction lors du changement de bobine s'effectue par soudage, de préférence par soudage-séparation.
  9. Unité d'alimentation pour alimenter un matériau plat en forme de bande dans une machine d'emballage ou une machine de traitement analogue, avec au moins deux logements de bobine (4, 5) destinés à recevoir chacun une réserve de matériau plat sous la forme d'une bobine (6, 7), dont au moins une bobine (6, 7) forme la bobine en cours d'utilisation dont le matériau plat (2) est prélevé pendant le fonctionnement de la machine d'emballage ou machine de traitement analogue, et au moins une autre bobine forme une bobine de suite (7, 6) mise à disposition pour un changement stationnaire de bobine, avec un poste de jonction (12) à travers lequel passe le matériau plat (2) de la bobine (6) en cours d'utilisation et au niveau duquel, dans une position de jonction (18), une zone de raccordement du matériau plat de la bobine de suite est positionnée exactement sur un élément de maintien et de positionnement (15) en vue d'un raccordement précis en transition dans la direction de la bande,
    caractérisé en ce que
    l'élément de maintien et de positionnement est un cylindre de blocage (15) pouvant être tourné manuellement autour de son axe et convenant pour bloquer et enrouler le matériau plat de la bobine de suite (7 , 6), et en ce qu'au poste de jonction (12) sont prévus, pour le placement de la zone de raccordement de la bobine de suite (7, 6) de manière précise en transition dans la direction de la bande, des moyens d'ajustement (19) destinés à ajuster le matériau plat de la bobine de suite au niveau de marquages (2.1) prévus sur lui.
  10. Unité d'alimentation selon la revendication 9, caractérisée en ce que les moyens d'ajustement sont formés par au moins un rail d'ajustement (19), de préférence pivotant.
EP07818014A 2006-08-09 2007-08-07 PROCEDE POUR délivrer une BOBINE ET dispositif de raccordement POUR LA MISE EN OEUVRE DE CE PROCEDE Active EP1968874B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006037189A DE102006037189A1 (de) 2006-08-09 2006-08-09 Verfahren zum Durchführen eines Rollenwechsels bei einer Versorgungseinheit zum Zuführen eines bahnartigen Flachmaterials an eine Verpackungsmaschine oder dergleichen Verarbeitungsmaschine sowie Versorgungseinheit zum Durchführen dieses Verfahrens
PCT/EP2007/006965 WO2008017450A2 (fr) 2006-08-09 2007-08-07 Procédé pour effectuer un changement de bobine et épisseur pour la mise en œuvre de ce procédé

Publications (2)

Publication Number Publication Date
EP1968874A2 EP1968874A2 (fr) 2008-09-17
EP1968874B1 true EP1968874B1 (fr) 2010-02-24

Family

ID=38871546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07818014A Active EP1968874B1 (fr) 2006-08-09 2007-08-07 PROCEDE POUR délivrer une BOBINE ET dispositif de raccordement POUR LA MISE EN OEUVRE DE CE PROCEDE

Country Status (9)

Country Link
US (1) US20100024364A1 (fr)
EP (1) EP1968874B1 (fr)
JP (1) JP2010500258A (fr)
CN (1) CN101484375A (fr)
AT (1) ATE458685T1 (fr)
BR (1) BRPI0714282A2 (fr)
DE (2) DE102006037189A1 (fr)
MX (1) MX2009001299A (fr)
WO (1) WO2008017450A2 (fr)

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Also Published As

Publication number Publication date
DE102006037189A1 (de) 2008-02-14
EP1968874A2 (fr) 2008-09-17
WO2008017450A3 (fr) 2008-03-27
WO2008017450A2 (fr) 2008-02-14
MX2009001299A (es) 2009-02-16
BRPI0714282A2 (pt) 2013-04-24
JP2010500258A (ja) 2010-01-07
US20100024364A1 (en) 2010-02-04
CN101484375A (zh) 2009-07-15
ATE458685T1 (de) 2010-03-15
DE502007002916D1 (de) 2010-04-08

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