EP1614646A2 - Méthode pour l'éxécution d'un changement de rouleau dans une station d'alimentation pour alimenter une machine d'emballage avec un matériau en bande - Google Patents

Méthode pour l'éxécution d'un changement de rouleau dans une station d'alimentation pour alimenter une machine d'emballage avec un matériau en bande Download PDF

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Publication number
EP1614646A2
EP1614646A2 EP05013653A EP05013653A EP1614646A2 EP 1614646 A2 EP1614646 A2 EP 1614646A2 EP 05013653 A EP05013653 A EP 05013653A EP 05013653 A EP05013653 A EP 05013653A EP 1614646 A2 EP1614646 A2 EP 1614646A2
Authority
EP
European Patent Office
Prior art keywords
connection
roll
flat material
supply unit
roller
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.)
Granted
Application number
EP05013653A
Other languages
German (de)
English (en)
Other versions
EP1614646A3 (fr
EP1614646B1 (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
KHS Maschinen und Anlagenbau AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34745499&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1614646(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by KHS GmbH, KHS Maschinen und Anlagenbau AG filed Critical KHS GmbH
Priority to PL05013653T priority Critical patent/PL1614646T3/pl
Publication of EP1614646A2 publication Critical patent/EP1614646A2/fr
Publication of EP1614646A3 publication Critical patent/EP1614646A3/fr
Application granted granted Critical
Publication of EP1614646B1 publication Critical patent/EP1614646B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement 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
    • 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
    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • 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
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/46325—Separate element, e.g. clip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film
    • 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 according to the preamble of claim 13.
  • the packaging or flat material used (eg packaging film) is removed from rolls and fed to the process flow.
  • the flat material In order to enable the fastest possible further processing of the packaging machine when consuming a currently in use role, it is customary in the supply unit to keep at least one exchange or connection role ready, the flat material then at a short machine stop with a start or connection area to the Flat material is connected to the roll in use before the roll change, by connecting this connection area with the flat material of the previously used role and then cutting the sheet to this role. Thereafter, the packaging machine can be restarted, wherein the sheet is then removed from the connection roller.
  • connection area of the packaging material of the connection roller in the connection station where the connection is made, also exactly positioned. This means so far that after the introduction of a connection roller in the supply unit this must be aligned exactly with its connected connection area in the connection station in a complicated way, which consuming and time consuming in running packaging machine and especially in the usual, limited accessibility of the respective connection station is.
  • the object of the invention is to provide a method with which the roll change can be carried out conveniently and also quickly, in particular also with regard to the precise positioning of the connection region of the connection roll.
  • This object is a method according to the claim trained.
  • a supply unit for carrying out this method is the subject of claim 13.
  • connection region of the connection roller takes place in that a holding and positioning element for the transition-correct connection is fastened in an exactly aligned manner at this connection region at a workstation outside the supply region.
  • connection roll it is also possible in particular to prepare the connection roll to be introduced into the supply unit after the respective roll change and after removal of the used-up roll, while the machine is still running and before the roll change with the holding and positioning element, so that the roll change is carried out extremely quickly can.
  • the inventive method further allows a computer-controlled role change.
  • connection necessary for the connection takes place by welding and thereby preferably by separating welding.
  • the supply unit generally designated 1 in the figures serves for supplying a weldable plastic or packaging film 2 to a packaging machine, not shown.
  • the supply unit 1 has in a machine frame 3 two parallel mandrels 4 and 5 oriented with its axis in the horizontal direction, each of which serves to receive a film roll 6 or 7, one roll of which is the roll in use during the running packaging machine, from which the sheet-like film 2 is withdrawn in the direction of the arrow A and the packaging machine is supplied, while the other exchange or connection roller is available for a roll change.
  • Figures 3 and 4 show - each a state of the supply unit 1 immediately before a roll change - again the two with their axes parallel to each other and perpendicular to the plane of Figures 3 and 4 arranged mandrels 4 and 5, provided on these thorns film rolls 6 and 7 and further with their axes parallel to each other and parallel to the mandrels 4 and 5 arranged deflection and guide rollers 8 - 10 for the film 2.
  • These deflection and guide rollers 8-10 are both ends in a frame 11 also mounted in the machine frame 3 Folienan gleich- 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 receptacle 15 is a shaft or roller on which the clamping rail 16 can be secured by insertion in a suitable manner, for example by insertion into a groove forming the holder.
  • a locking lever 15.1 is provided, with which the receptacle 15 is also blocked in each case after a rotational movement of 360 ° by locking.
  • In the latched position of the receptacle 15 are provided on this receptacle holder for the clamping rail 16 respectively at the upper peripheral portion of the receptacle 15th
  • Component of the welding station 12 are further two heatable welding rails 17 and 18, which lie with their longitudinal extent parallel to the axis of rotation of the receptacle 15 and are offset by an angle of slightly smaller than 180 ° about this axis of rotation.
  • the clamping rail 16 which is uniquely and precisely positioned on the receptacle 15, for example, by index pins engaging in positioning apertures of the receptacle 15, in each case the connection region of the film of the connecting roll standing ready for the roll change is connected in an exactly aligned manner, in such a way that when the roll is changed the film of the new film roll, among others also with respect to an existing on the film rapport, print image, etc. transitionally correct to the film of the used film roll.
  • FIG. 3 shows the state of the supply unit 1 shortly before the final consumption of the film roll 6 in use, the film 2 of which is fed via the deflection roller 8 and the device 14 formed by the rollers 10 and 13 for keeping the film tension of the packaging machine constant according to the arrow A. becomes.
  • the beginning of the guided over the guide roller 9 slide 2 of the roll change ready for the film roll 7 is connected to the attached to the receptacle 15 clamping rail 16 and wrapped around the circumference of the receptacle 15 that this beginning in the region of the welding rail 17 of the Film roll 6 peeled film 2 is adjacent and the film 2 there wegerstreckt of the clamping rail 16 in the direction of movement A.
  • the film roll 6 in use is constantly monitored. If the sensor 19 cooperating with a control computer 20 of the packaging machine detects the imminent consumption of the film roll 6, the control computer 20 initiates the roll change. For this purpose, the packaging machine is first stopped and the removal of the film 2 is slowed down by the film roll 6. By a further, the film 2 or there existing markers or print marks 2.1 scanning sensor 21, the slower removal of the film 2 is stopped when the film 2 is positioned at the welding position formed by the welding rail 17 such that a transition or printing image correct connection of the ready film roll 7 (connection roller) is guaranteed.
  • a braking device for example a hose brake, is activated for the welding process by which the permanent bias of the film is reduced or even eliminated at least in the region of the film weld seam to be produced.
  • the packaging machine runs controlled by the control computer 20 again, in which case the film 2 is withdrawn from the film roll 7.
  • the film roll 6 is manually removed from the supply unit, as well as the clamping rail 6.
  • a new, already provided with the clamping rail 16 film roll 6 is placed on the mandrel 6, the clamping rail 16 in the Recording 15 used and this manually rotated about its axis by 360 °, so that the receptacle 15 in turn is looped around by the beginning of the film connected to the clamping rail 16.
  • FIG. 4 shows this state immediately before the film roll 7 is consumed.
  • the exact positioning of the clamping rail 16 takes place outside the packaging machine and the supply unit 1 at a comfortable and ergonomic workplace, which allows full and unrestricted accessibility in particular to the respective roller 6 and 7 respectively.
  • This workplace includes u. a. a gauge in the form of a ruler 22, on which the respective clamping rail 16 can be accurately positioned, for example, again using engaging in positioning holes index pins.
  • markings 23 and 24 and by markings, such as printing marks 2.1 on the film 2 then the exact printing image correct connection or welding ensuring positioning of the clamping rail 16 on the film 2 is possible.
  • the insertion of the clamping rail 16 in the receptacle 15 takes place, as already mentioned, in each case in the locked position of the receptacle 15, in the (position) the Clamping rail holder of the receptacle 15 is located at the top of this recording.
  • the receptacle is rotated in the selected for the figure 3 representation for the preparation of the film roll 7 as a connecting roller by means of the locking lever 15.1 clockwise, so that in this case the receptacle 15 with its located in use film 2 adjacent peripheral region moved against the conveying or removal direction B of the film.
  • the rotation of the receptacle 15 is terminated after 360 ° by engagement of the locking lever 15.1, so that the clamping rail 16 is again at the top, ie in the position in which this rail was inserted into the receptacle 15 and the looped around the receptacle 15, adjoining the clamping rail 16 partial length overlapping with the film is arranged in conjunction.
  • the receptacle 15 is rotated with the terminal block 16 in the counterclockwise direction.
  • FIG. 5 again shows in detail the individual elements of the welding or connecting station 12 described above. Also shown in this figure are the actuating elements 25 for the welding rails 17 and 18. In the illustrated embodiment, these actuating elements are pneumatic cylinders which are not shown via control valves be controlled by the control computer 20.
  • an actuating element 26 which, for example, is also a pneumatic actuating element and with which the radial feed of the roller 13 is controlled within the compensating station 14 in order to achieve the most constant possible movement of the film web.
  • the roller 13 pivots after the completion of the welding process in the film path, extends this so and thus also biases the film overhang. Subsequently, the release of the braking device used to reduce the bias of the film and the restart of the machine done. If the machine has reached the normal operating speed after some time, the balancing station 14 is again swiveled out of the film path.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Special Articles (AREA)
EP05013653.0A 2004-07-06 2005-06-24 Méthode pour l'éxécution d'un changement de rouleau dans une station d'alimentation pour alimenter une machine d'emballage avec un matériau en bande Expired - Lifetime EP1614646B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05013653T PL1614646T3 (pl) 2004-07-06 2005-06-24 Sposób przeprowadzania wymiany rolki w jednostce zasilającej do doprowadzania materiału płaskiego w rodzaju wstęgi do pakowarki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004032528A DE102004032528C5 (de) 2004-07-06 2004-07-06 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

Publications (3)

Publication Number Publication Date
EP1614646A2 true EP1614646A2 (fr) 2006-01-11
EP1614646A3 EP1614646A3 (fr) 2007-02-14
EP1614646B1 EP1614646B1 (fr) 2013-05-01

Family

ID=34745499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05013653.0A Expired - Lifetime EP1614646B1 (fr) 2004-07-06 2005-06-24 Méthode pour l'éxécution d'un changement de rouleau dans une station d'alimentation pour alimenter une machine d'emballage avec un matériau en bande

Country Status (6)

Country Link
US (1) US7263812B2 (fr)
EP (1) EP1614646B1 (fr)
DE (1) DE102004032528C5 (fr)
PL (1) PL1614646T3 (fr)
RU (1) RU2297964C2 (fr)
ZA (1) ZA200505374B (fr)

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Also Published As

Publication number Publication date
PL1614646T3 (pl) 2013-09-30
EP1614646A3 (fr) 2007-02-14
EP1614646B1 (fr) 2013-05-01
US20060026926A1 (en) 2006-02-09
US7263812B2 (en) 2007-09-04
DE102004032528C5 (de) 2012-04-05
RU2005121086A (ru) 2007-01-20
ZA200505374B (en) 2006-04-26
RU2297964C2 (ru) 2007-04-27
DE102004032528B3 (de) 2005-08-11

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