EP2702000B1 - Système de raccordement de bande automatique et son procédé - Google Patents

Système de raccordement de bande automatique et son procédé Download PDF

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Publication number
EP2702000B1
EP2702000B1 EP12743235.9A EP12743235A EP2702000B1 EP 2702000 B1 EP2702000 B1 EP 2702000B1 EP 12743235 A EP12743235 A EP 12743235A EP 2702000 B1 EP2702000 B1 EP 2702000B1
Authority
EP
European Patent Office
Prior art keywords
web
splicing
platform
adhesive tape
automatic
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
EP12743235.9A
Other languages
German (de)
English (en)
Other versions
EP2702000A2 (fr
Inventor
Pradeep RAMTEKE
Parag CHATURVEDI
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.)
Essel Propack Ltd
Original Assignee
Essel Propack Ltd
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 Essel Propack Ltd filed Critical Essel Propack Ltd
Publication of EP2702000A2 publication Critical patent/EP2702000A2/fr
Application granted granted Critical
Publication of EP2702000B1 publication Critical patent/EP2702000B1/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
    • 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
    • B65H19/102—Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • 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
    • 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
    • B65H2301/4606—Preparing leading edge for splicing
    • B65H2301/46064—Preparing leading edge for splicing by transversally operated carriage
    • 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
    • B65H2301/4606—Preparing leading edge for splicing
    • B65H2301/4607—Preparing leading edge for splicing by adhesive tape
    • 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
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • B65H2301/46222—Abutting article or web portions, i.e. edge to edge involving double butt splice, i.e. adhesive tape applied on both sides of the article or web portions

Definitions

  • the present invention generally relates to a splicing system for providing continuous web supply and a method thereof.
  • splicing of webs is achieved by manually/automatically joining the trailing edge of the old web with leading edge of a new web from webs being unwound from rolls carried on cores.
  • the splicing is done by applying adhesive over trailing end or leading end and joining by overlapping the web or by using an adhesive tape to join the two ends with overlap or butt splicing.
  • the present invention provides in a first aspect a system for automatic web splicing adapted on a running path of a web between an unwinding section and a utilizing machine for providing continuous flow of web to the utilizing machine.
  • the said system comprises at least two receiving platforms, one platform for receiving a running web and other platform for a new web, a delivering platform for delivering running web, a space defining a splicing area between the delivering platform and the receiving platform, an adjusting means for moving, adjusting, and maintaining the delivering platform and one of the receiving platforms in-line with each other, a clamping means for each platform for clamping the webs during splicing, a shearing blade for cutting a trailing edge of a finished running web held between the delivering platform and the receiving platform by clamping means, at-least one dispenser arranged to travel in cross machine direction within the said space so as to splice trailing edge of a running web and a leading edge of a new web and a controller to facilitate clamping, cutting and
  • either receiving platform or delivery platform is mounted on the adjusting means.
  • the receiving platforms are adapted on the adjusting means for moving and bringing one of the receiving platform in-line with the delivering platform.
  • the delivery platform can be adapted on the adjusting means for moving to bring in-line with one of the receiving platform.
  • the controller includes a sensor for each web adapted on the running path of web in the unwinding section to sense and activate the controller as the web is finished.
  • the system comprises two dispensers, arranged above and below running web within the space to apply adhesive tape from top and bottom simultaneously.
  • the dispenser comprises a one-sided adhesive tape, a rubber roller to apply pressure over the adhesive applied web edges, and a vacuum pad to hold frond end of the adhesive tape having adhesive side facing towards the web.
  • At-least one of the dispensers includes a cutter for cutting the adhesive tapes after splicing.
  • the cutter is adapted in a top dispenser to cut the adhesive tape after splicing.
  • the system comprises a holding means for holding corners of the leading edge of a new web and the trailing edge of a finished web and front edge of the adhesive tape together while splicing the webs.
  • the system optionally comprises an accumulator to accumulate the spliced web enough to supply web continuously to the utilizing machine during splicing operation.
  • the present invention provides a method for automatic web splicing comprising the steps of sensing that running web core is finished , clamping the finished web using clamping means, cutting the finished web; aligning and adjusting leading edge of a new web in-line with a trailing edge of the finished web, applying an adhesive tape over the aligned webs and pressing the applied adhesive tape simultaneously, and cutting the adhesive tape thereby effecting the splicing of the web.
  • the step of applying adhesive tape includes a step of holding the corners of the leading edge of a new web and the trailing edge of a finished web and front edge of the adhesive tape.
  • the method preferably applies adhesive tape on top and bottom of the webs simultaneously.
  • the splicing speed of the system is dependent on speed of an utilizing machine.
  • the present invention provides a system for automatic web splicing for providing continuous flow of web to a utilizing machine.
  • the system joins the two webs in completely auto mode and keeps the utilizing machine running continuously without stoppage.
  • Figure 1 and Figure 2 show an automatic web splicing system according to a preferred embodiment of the present invention.
  • the automatic splicing system (100) comprises an unwinding section (110), a splicing section (120), an accumulator (130) and a controller (140) to facilitate clamping, cutting and splicing of the webs to provide continuous web supply to a utilizing machine.
  • the unwinding section (110) comprises two spindles (112a, 112b) for mounting web cores (114a, 114b) and two running paths (a, b) guiding the webs (115a, 115b) to splicing section.
  • Sensors (116a, 116b) are mounted on the running path of each web (115a, 115b).
  • webs adapted to the web cores (114a, 114b) may be referred as running web (115a) and new web (115b).
  • the system comprises of an accumulator (130).
  • the accumulator (130) is adapted generally below the splicing section (120) to accumulate the web (115) enough to supply the web continuously to a utilizing machine to avoid the stoppage of machine.
  • Figure 3 and Figure 5 show the splicing section as per a preferred embodiment of the present invention.
  • FIG. 3 shows the splicing section (120) comprising of a delivering platform (124) and at-least two receiving platforms (122a, 122b) - a first receiving platform (122a) for a running web (115a) and a second receiving platform (122b) for a new web (115b), and a shearing blade (127) for cutting a trailing edge of a finished running web (115a) held between the receiving and delivering platform by clamping means (125 a, 125b, 125).
  • the clamping means (125a, 125b, 125) clamp the webs while splicing the webs.
  • the delivering platform (124) and receiving platforms (122a, 122b) are adjusted and maintained in-line with each-other via an adjusting means.
  • the adjusting means moves the platform preferably in a vertical direction.
  • the receiving platforms (122a, 122b) or the delivering platform (124) may be adapted to the adjusting means.
  • the delivering platform (124) is fixed and the receiving platforms (122a, 122b) are movable by adapting it to the adjusting means for moving and bringing one of the receiving platforms (122a, 122b) in-line with the delivering platform (124) for splicing.
  • a space (x) defines a splicing area between the receiving platform (122a, 122b) and the delivering platform (124) depending on width of an adhesive tape.
  • the adhesive tape is dispensed from at-least one dispenser.
  • the splicing system comprises two dispensers arranged above and below the space defined between the delivering and receiving platforms.
  • FIG 4 shows the top dispenser (128a) of the present invention.
  • the dispenser (128a) comprises one side adhesive tape roll (10a), a rubber roller (20a) to apply pressure and a vacuum pad (22) to hold adhesive of the adhesive tape facing towards the web.
  • a cutter (129) is also adapted in the top dispenser to cut the adhesive tape (10a).
  • a cutter can be adapted in the bottom dispenser.
  • FIGS 5A to 5D show side views of operation of an automatic splicing system as per a preferred embodiment of the present invention showing dispensers (128a, 128b) adapted on a rod-less cylinder unit to allow the dispensers to move in a cross-machine direction for splicing.
  • Figures 5A to 5D also shows holding means (127) for holding corners of the leading edge of a new web and the trailing edge of a finished web and front edge of the adhesive tape together while splicing the webs.
  • each dispenser (128a, 128b) comprises one side adhesive tape roll (10a, 10b), a rubber roller (20a, 20b) to apply pressure, and a vacuum pad (22) to hold front end of the adhesive tape (10a, 10b) facing towards the web.
  • a cutter (129) is adapted in one of the dispenser to cut the adhesive tape (10a, 10b) to cut the adhesive tape after splicing.
  • Figure 1 and Figure 5A-5D illustrates operability method of the automatic splicing system, wherein, a web core (114a) mounted on spindle (112a) is running through a first receiving platform (122a), delivering platform (124) and accumulator (130), while web core (114b) mounted on another spindle (112b) is readily mounted on the second receiving platform (122b).
  • the splicing section (120) is inactive as showing in figure 5A and allows the running web (115 a) to pass to a utilizing machine.
  • the sensor (116a) mounted on the running path of the unwinding section for said web (115a) senses that the web (115a) on the core (114a) is finished and accordingly passes the information to the controller (140) which activates the clamps (125a) on receiving platform (122a) and the clamp (125) on delivering platform (124) to clamp the running web as well as activates the accumulator (130).
  • the shearing blade (126) activates and cross cuts the clamped web.
  • an adjusting means moves the receiving platforms (122a, 122b) so as to adjust the receiving platform (122b) in-line with the delivering platform (124) thereby bringing leading edge of the new web (115b) in-line with the cut edge i.e. trailing edge of the finished web.
  • dispensers (128a, 128b) then moves in cross machine direction on the rod-less cylinder unit as shown in Figure 5B and 5C , and comes in contact with the holding means (127) which hold the free edges of the adhesive tapes (10a, 10b) having adhesive face over the edges of the leading and trailing web from longitudinal side of the webs and then dispensers (128a, 128b) moves in the opposite direction as shown in Figure 5D applying the adhesive tape (10a, 10b) and pressing the adhesive tape simultaneously by rubber rollers (20a, 20b) applied over the web edges thereby butt splicing the web edges from both sides i.e. top and bottom side.
  • the cutter (129) adapted in the upper dispenser (128a) cuts the adhesive tape and splicing is completed thereby forming a continuous web. After completion of the splicing, clamps over the running web frees the web and the machine starts drawing of web from the new web core. Similarly, when a running roll is processed and finished, the sensor passes a signal to the controller and the controller changeovers to a new web by clamping, cutting and splicing the running web with next web and keeps the machine running.
  • the splicing speed of the system depends upon speed of the utilizing machine.
  • the splicing system does not require its own drive.
  • splicing system of the present invention requires total cycle time of about 4 to 6 seconds depending on width of web for splicing.
  • the present invention provides auto splicing along with increase in machine up time, reduction in scarp, reduction in man-hours, improved quality of joint, elimination of paper shifting, as well as elimination of breakage of papers by providing a quality of joint on both side of the web along with improved strength.
  • the splicing system of the present invention is a compact machine which can be easily adapted to on an in-use continuous plastic or paper web processing machine without major modifications.

Landscapes

  • Replacement Of Web Rolls (AREA)

Claims (14)

  1. Système pour le collage de bande automatique adapté sur une voie de roulement d'une bande entre une section de déroulement (11c) et une machine d'utilisation pour fournir un flux continu de bande à la machine d'utilisation, ledit système comprenant :
    au moins deux plateformes de réception (122a, 122b), une plateforme pour recevoir une bande roulante et une autre plateforme pour une nouvelle bande ;
    une plateforme de livraison (124) pour livrer une bande roulante ;
    un espace définissant une zone de collage entre la plateforme de livraison et la plateforme de réception ;
    un moyen d'ajustement pour déplacer, ajuster et maintenir la plateforme de livraison (124) et l'une des plateformes de réception (122a, 122b) en ligne l'une sur l'autre ;
    un moyen de serrage (125a, 125b, 125c) pour chaque plateforme pour le serrage des bandes pendant le collage ;
    une lame de cisaillement (127) pour couper une arête arrière d'une bande roulante finie maintenue entre la plateforme de livraison et la plateforme de réception par un moyen de serrage ; et un contrôleur (140) pour faciliter le serrage, la coupe et le collage des bandes,
    caractérisé en ce qu'il comporte deux distributeurs (128a, 128b) agencés au-dessus et en dessous de la bande roulante pour se déplacer dans la direction de machine transversale dans ledit espace de sorte à coller une arête arrière d'une bande roulante et une arête avant d'une nouvelle bande avec un ruban adhésif (10a), pour appliquer ainsi simultanément un ruban adhésif depuis le dessus et le dessous.
  2. Système pour le collage de bande automatique selon la revendication 1, dans lequel les plateformes de réception sont adaptées sur le moyen d'ajustement pour déplacer et amener l'une des plateformes de réception en ligne avec la plateforme de livraison.
  3. Système pour le collage de bande automatique selon la revendication 1, dans lequel la plateforme de livraison est adaptée sur le moyen d'ajustement pour déplacer et amener en ligne la plateforme de livraison avec l'une de la plateforme de réception.
  4. Système pour le collage de bande automatique selon la revendication 1, dans lequel le contrôleur comporte un capteur pour chaque bande adapté sur la voie de roulement de la bande dans la section de déroulement pour détecter et activer le contrôleur lorsque la bande est finie.
  5. Système pour le collage de bande automatique selon la revendication 1, dans lequel chacun des distributeurs comprend un ruban adhésif unilatéral, un rouleau de caoutchouc pour appliquer la pression sur l'adhésif appliqué sur les arêtes de bande, et une ventouse pour maintenir l'extrémité avant du ruban adhésif présentant un côté adhésif faisant face à la bande.
  6. Système pour le collage de bande automatique selon la revendication 1, dans lequel au moins l'un des distributeurs comporte un couteau pour couper le ruban adhésif après le collage des bandes.
  7. Système pour le collage de bande automatique selon la revendication 6, dans lequel le couteau est de préférence adapté dans un distributeur supérieur pour couper le ruban adhésif après le collage.
  8. Système pour le collage de bande automatique selon la revendication 1, dans lequel le système comprend un moyen de maintien pour maintenir des coins du bord avant d'une nouvelle bande et du bord arrière d'une bande finie et une arête avant du ruban adhésif tout en collant les bandes.
  9. Système pour le collage de bande automatique selon la revendication 1, dans lequel le moyen d'ajustement déplace la plateforme de préférence dans une direction verticale.
  10. Système pour le collage de bande automatique selon la revendication 1, qui comprend en outre un accumulateur pour accumuler suffisamment la bande collée pour fournir la bande en continu à la machine d'utilisation pendant l'opération de collage.
  11. Système pour le collage de bande automatique selon la revendication 1, dans lequel la section de déroulement comprend une broche correspondant à chaque plateforme de réception pour le montage d'un coeur de bande de bande roulante et d'un coeur de bande de nouvelle bande, une voie de roulement pour chaque bande.
  12. Procédé de collage de bande automatique en utilisant le système pour le collage de bande automatique selon la revendication 1, comprenant les étapes suivantes :
    la détection que le coeur de bande roulante est fini ;
    le serrage de la bande finie en utilisant des moyens de serrage ;
    la coupe de la bande finie ;
    l'alignement et l'ajustement du bord avant d'une nouvelle bande en ligne avec un bord arrière de la bande finie ;
    l'application simultanée d'un ruban adhésif sur le dessus et le dessous des bandes alignées et le pressage simultané du ruban adhésif appliqué ; et
    la coupe du ruban adhésif effectuant ainsi le collage de la bande.
  13. Procédé de collage de bande automatique selon la revendication 12, dans lequel l'étape d'application du ruban adhésif comporte une étape de maintien des coins du bord avant d'une nouvelle bande et du bord arrière d'une bande finie et de l'arête avant du ruban adhésif.
  14. Procédé de collage de bande automatique selon la revendication 12, dans lequel la vitesse de collage dépend de la vitesse d'une machine d'utilisation.
EP12743235.9A 2011-03-01 2012-02-02 Système de raccordement de bande automatique et son procédé Active EP2702000B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN571MU2011 2011-03-01
PCT/IN2012/000079 WO2012120533A2 (fr) 2011-03-01 2012-02-02 Système de raccordement de bande automatique et son procédé

Publications (2)

Publication Number Publication Date
EP2702000A2 EP2702000A2 (fr) 2014-03-05
EP2702000B1 true EP2702000B1 (fr) 2016-04-27

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EP12743235.9A Active EP2702000B1 (fr) 2011-03-01 2012-02-02 Système de raccordement de bande automatique et son procédé

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US (1) US20140131504A1 (fr)
EP (1) EP2702000B1 (fr)
WO (1) WO2012120533A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10899568B2 (en) 2016-09-19 2021-01-26 New Era Converting Machinery, Inc. Automatic lapless butt material splice

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EP3405421B2 (fr) * 2016-01-18 2023-04-26 Windmöller & Hölscher KG Dispositif et procédé de changement d'une bobine et de liaison d'une nouvelle bande de matériau à une extrémité d'une ancienne bande de matériau
JP7236719B2 (ja) * 2018-10-04 2023-03-10 株式会社イシダ 製袋包装機
CN116588734A (zh) * 2022-11-03 2023-08-15 苏州正齐半导体设备有限公司 自动拼接装置及拼接方法

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Publication number Priority date Publication date Assignee Title
US10899568B2 (en) 2016-09-19 2021-01-26 New Era Converting Machinery, Inc. Automatic lapless butt material splice
US11767189B2 (en) 2016-09-19 2023-09-26 New Era Converting Machinery, Inc. Automatic lapless butt material splice

Also Published As

Publication number Publication date
EP2702000A2 (fr) 2014-03-05
WO2012120533A3 (fr) 2012-12-06
WO2012120533A2 (fr) 2012-09-13
US20140131504A1 (en) 2014-05-15

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