EP0060450B1 - Dispositif pour raccorder l'extrémité arrière de la bande d'un rouleau qui se termine à l'extrémité avant de la bande d'un rouleau de remplacement - Google Patents

Dispositif pour raccorder l'extrémité arrière de la bande d'un rouleau qui se termine à l'extrémité avant de la bande d'un rouleau de remplacement Download PDF

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Publication number
EP0060450B1
EP0060450B1 EP82101687A EP82101687A EP0060450B1 EP 0060450 B1 EP0060450 B1 EP 0060450B1 EP 82101687 A EP82101687 A EP 82101687A EP 82101687 A EP82101687 A EP 82101687A EP 0060450 B1 EP0060450 B1 EP 0060450B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
web
roll
sticking
replacement roll
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
EP82101687A
Other languages
German (de)
English (en)
Other versions
EP0060450A1 (fr
Inventor
Friedrich Blom
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0060450A1 publication Critical patent/EP0060450A1/fr
Application granted granted Critical
Publication of EP0060450B1 publication Critical patent/EP0060450B1/fr
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
    • 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • 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
    • 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
    • B65H19/1868—The roll support being of the turret type
    • 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
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46412—Splicing effecting splice by element moving in a direction perpendicular to the running direction of the 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46414—Splicing effecting splice by nipping rollers
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing

Definitions

  • the invention relates to a device for connecting the rear end of a web drawn off from an outgoing roll to the front end of a web drawn off from a replacement roll according to the preamble of patent claim 1.
  • the web drawn off the roll also runs in an S-shape over the counter cylinder and a deflecting roller connected to it, during the interval between two roll changes.
  • the circumferential speed of the replacement roll When changing the roll, the circumferential speed of the replacement roll must first be accelerated to the speed of the web drawn off from the outgoing roll and then the beginning of the replacement roll must be introduced into the gap formed between the counter cylinder and the web drawn off from the outgoing roll, but this is difficult and requires special auxiliary devices requirement. After the separating cut of the webs lying one above the other, in addition to the web end running off the outgoing roll, the separated starting piece of the web pulled off by the replacement roll must also be removed from the counter cylinder.
  • the object of the invention is therefore to provide a device according to the preamble of claim 1, in which the beginning of the web withdrawn from the replacement roll is inserted into the gap between the counter cylinder and the web withdrawn from the outgoing roll and the front has the severed end of the web removed from the replacement roll removed.
  • the beginning of the path of the replacement roll can be inserted into the gap between the counter cylinder and the outgoing web simply by connecting it to the counter cylinder by means of the adhesive strip.
  • the separated starting piece of the web drawn off from the replacement roll has only a short length and can be easily removed from the counter cylinder after the web end of the outgoing roll has been connected to the beginning of the replacement roll.
  • a web 2 is drawn off from an outgoing roll 1 via guide rolls 3, 4, 5 and 6. Between the guide rollers 5 and 6, a dancer roller 7 is arranged, which maintains the web tension.
  • the outgoing roller 1 is rotatably mounted on a turnstile 8 in a known manner.
  • the turnstile 8 is pivotally mounted on a stand 9. On the turnstile 8 there is still a prepared replacement roll 10 in the waiting position.
  • a cutting groove cylinder 11 is provided, opposite which a knife cylinder 12 is arranged.
  • two adhesive cylinders 13 and 14 follow, the adhesive cylinder 13 lying above the web 2 and the adhesive cylinder 14 below the web 2.
  • a drive roller 15 is provided, which can be placed on the circumference of the replacement roller 10 in a known and therefore not shown manner in order to accelerate it to web speed.
  • the cylinders 11, 12, 13 and 14 are mounted in the machine frame in a slide 25 which can be moved horizontally in guides and, like the drive roller 15, are driven by a main drive shaft 16.
  • the drive of the knife cylinder 12 is derived from the cutting groove cylinder 11 such that both rotate at the same peripheral speed.
  • the cutting groove cylinder 11 can be adjusted to the replacement roller 10 and the adhesive cylinder 13 can be lowered in guides so far that it can be set against the cutting groove cylinder 11 and the adhesive cylinder 14 and touches both.
  • the main drive represented by the main shaft 16 is provided with differential gears 17 and 18, of which the differential gear 17 can change the phase position of the drive roller 15 and the differential gear 18 serves to change the phase position of the drive roller 15 and the cylinders 11, 13 and 14.
  • the outgoing roll 1 and the replacement roll 10 are braked in a known manner, depending on the material of the running web 2, by disc or shoe brakes.
  • a row of suction holes or a suction groove 11.2 is arranged parallel to the cutting groove 11.1 of the cutting groove or counter cylinder 11.
  • the adhesive cylinders 13, 14 are provided with strips 13.1, 14.1 which are movable in the radial direction and which can be retracted into the cylinder jacket or envelope cylinder.
  • the strips 13.1 and 14.1 are covered with adhesive strips 13.2 and 14.2 for the purpose of double-sided butt gluing, the length of which corresponds to the width of the web 2.
  • a light barrier 18 is provided with a mirror 18.1, the beam path of which is set up in such a way that it is interrupted by the replacement roller when the cutting groove cylinder 11 touches the replacement roller 10.
  • the beginning of the web wound on the replacement roll 10 is provided with an adhesive strip 20 with an outwardly facing adhesive layer.
  • a photo button 19 is attached, which determines the phase position of the prepared adhesive point 20 of the replacement roll 10.
  • the phase position of the cutting groove cylinder 11 is scanned by a contact switch connected to its axis, which for example emits a signal when the cutting groove 11.1 has reached the cutting position.
  • the phase positions of the replacement roller 10 and the cutting groove cylinder 11 are checked and controlled for the purpose that the adhesive strip 20 does not come to rest on the cutting area when the cutting groove cylinder 11 is positioned against the replacement roller 10 and is glued to the cutting groove 11.1.
  • the cylinders 11, 13 and 14 mounted on the slide 25 rotate in the same phase position with respect to one another and, in order to glue the end of the outgoing web to the beginning of the new web, are driven just like the replacement roll 10 at web speed.
  • the roll change always takes place in the horizontal position of the turnstile 8, in which the axes of the replacement roll 10 and the adhesive cylinders 11, 14 lie in one plane.
  • the web drawn off from the outgoing roll 1 runs over the guide rolls 3 to 5 without touching the cylinders 11 to 14.
  • a tachometer generator or a pulse generator is provided which starts the roll change process when the speed of the outgoing roll 1 exceeds a relative limit.
  • the replacement roller 10 is accelerated to the web speed by the main shaft 16.
  • the differential gear 17 By actuating the differential gear 17, the replacement roller 10 is rotated relative to the cutting groove cylinder 11 until the correct phase position is reached, which is reported by the feeler 19.
  • the carriage 25 and with it the cutting groove cylinder 11 are moved towards the replacement roller 10 and, for the purpose of butt gluing, the adhesive cylinder 13 lowers into the position shown in FIG. 2, in which it roughly touches the cutting groove cylinder 11 and the adhesive cylinder 14.
  • the glue point 20 sticks to the cutting groove cylinder 11 at a distance from the cutting groove 11.1 as it passes, and the beginning of the path is carried along by it.
  • the knife cylinder 12, which is mounted in eccentrics, is brought into the cutting position by turning the eccentrics and cuts off the web the next time the cutting knife is run through. So that the beginning of the new path formed by the separating cut does not detach from the cutting groove cylinder 11, it is held on the cutting groove cylinder 11 by the suction bar 11.2.
  • the adhesive strips 11.2 or 14.2 are applied to the joint formed by the cut by extending the strips 13.1 or 14.1 and thus the end of the running web with the Connected on both sides at the start of the new track
  • the first gluing of the butt joint by means of the adhesive tape 13.2 thus takes place on the cutting groove cylinder 11 in the area of the cutting groove 11.1.
  • the counter-adhesive strip 14.2 is glued on the other side of the interface, the adhesive cylinder 13 serving as an abutment.
  • the knife cylinder 12 is raised to the starting position immediately after the cut.
  • the cylinders 11 and 13 also move back to their starting position after the butt gluing.
  • the separated end of the outgoing web can be diverted upwards between the cylinders 12 and 13 by means of a deflector plate.
  • the beginning of the path of the replacement roll 10 glued to the cutting groove cylinder 11 is then removed by hand.
  • the replacement roll is pivoted in the direction of arrow 8.1 to the position that roll 1 had previously occupied.
  • the guide roller 3 is rotatably mounted on a lever 3.2 connected to the turnstile 8, on the extension of which a further guide roller 3.2 is mounted.

Landscapes

  • Replacement Of Web Rolls (AREA)

Claims (10)

1. Dispositif pour raccorder le bout arrière d'une bande (2) enlevée d'un rouleau venant à s'épuiser (1) avec le bout d'une bande dévidée d'un rouleau de recharge (10) comportant un dispositif de coupure consistant en un cylindre à couteau (12) pourvu d'un couteau et un cylindre opposé (11), dispositif de coupure qui tranche les deux bandes superposées traversant le dispositif par une coupe transversale commune, le cylindre opposé (11) comportant un secteur (11.2) en sens longitudinal pourvu de buses d'aspiration servant à fixer derrière la coupe de séparation le bout avant de la bande dévidée du rouleau de recharge (10), un cylindre d'encollage (13) recevant un ruban collant (13.2) collant d'un côté, qui au passage des joints des bandes posés bout à bout entre le cylindre d'encollage et le cylindre opposé (11) colle sur le joint le ruban collant (13.2), et des dispositifs pour mettre en prise ou pour dégager le cylindre à couteau (12) ainsi que le cylindre d'encollage (13) du cylindre opposé (11), caractérisé par le fait que sur le début de la bande du rouleau de recharge (10) une bande collante (20) dont la couche collante se trouve à l'extérieur est fixée et que le cylindre opposé (11) tournant à la vitesse correspondant à la vitesse de la bande venant à s'épuiser peut être mis en prise avec le rouleau de recharge accéléré à la même vitesse.
2. Dispositif selon la revendication 1 caractérisé par le fait qu'au-dessous de la bande (2) est disposé un autre cylindre d'encollage (14) portant un ruban collant (14.2) avec lequel le premier cylindre d'encollage (13) peut être mis en prise et qui forme le cylindre de contrepression du cylindre 14.
3. Dispositif selon les revendications 1 ou 2 caractérisé par le fait que pour l'accélération du rouleau de recharge (10) à la vitesse de la bande est prévu un rouleau d'entraînement (15) pouvant être mis en prise avec le rouleau de recharge.
4. Dispositif selon l'une des revendications 1 à 3 caractérisé par le fait que le cylindre opposé (11) et le cylindre d'encollage disposé au-dessous de la bande (2) sont montés de manière mobile en des endroits déterminés du bâti et que le cylindre d'encollage (13) se trouvant au-dessus de la bande (2) est monté de manière mobile dans le plan moyen entre ces cylindres (11, 14) et peut être mis en prise avec ces deux derniers.
5. Dispositif selon l'une des revendications 1 à 4 caractérisé par le fait que le cylindre opposé (11) et les deux cylindres d'encollage (13, 14) sont logés dans un chariot (25) qui peut être déplacé dans le bâti par rapport au rouleau de recharge (10).
6. Dispositif selon l'une des revendications 1 à 5 caractérisé par le fait que le cylindre à couteau (12) est entraîné à la même vitesse périphérique que le cylindre opposé (11) pourvu d'une rainure de coupure et que le couteau et la rainure de coupure (11.1 ) concordent dans leur cycle.
7. Dispositif selon l'une des revendications 1 à 6 caractérisé par le fait que les entraînements communs du cylindre opposé (11) et des cylindres d'encollage (13, 14) sont pourvus d'un différentiel (18) pour adapter leurs positions relatives.
8. Dispositif selon l'une des revendications 1 à 7 caractérisé par le fait que l'entraînement du rouleau d'entraînement (15) pour le rouleau de recharge (10) est pourvu d'un différentiel (17) pour le changement de position de ce dernier.
9. Dispositif selon l'une des revendications 1 à 8 caractérisé par le fait que les dispositifs commandant la synchronisation des cylindres sont pourvus de photocapteurs.
10. Dispositif selon l'une des revendications 1 à 9 caractérisé par le fait que le chariot (25) pour la commande des mouvements de mise en prise du cylindre opposé (11) avec le rouleau de recharge (10) est pourvu d'un barrage photo-électrique (18, 18.1).
EP82101687A 1981-03-12 1982-03-04 Dispositif pour raccorder l'extrémité arrière de la bande d'un rouleau qui se termine à l'extrémité avant de la bande d'un rouleau de remplacement Expired EP0060450B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3109529 1981-03-12
DE19813109529 DE3109529A1 (de) 1981-03-12 1981-03-12 Vorrichtung zum verbinden des hinteren endes einer von einer auslaufenden rolle abgezogenen bahn mit dem vorderen ende einer von einer ersatzrolle abgezogenen bahn

Publications (2)

Publication Number Publication Date
EP0060450A1 EP0060450A1 (fr) 1982-09-22
EP0060450B1 true EP0060450B1 (fr) 1985-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101687A Expired EP0060450B1 (fr) 1981-03-12 1982-03-04 Dispositif pour raccorder l'extrémité arrière de la bande d'un rouleau qui se termine à l'extrémité avant de la bande d'un rouleau de remplacement

Country Status (3)

Country Link
US (1) US4492609A (fr)
EP (1) EP0060450B1 (fr)
DE (2) DE3109529A1 (fr)

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DE3923163A1 (de) * 1989-07-13 1991-01-17 Kronseder Maschf Krones Verfahren und vorrichtung zum anspleissen von bedruckten etikettenbaendern
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JP4507199B2 (ja) * 2005-09-29 2010-07-21 富士フイルム株式会社 ウェブの接合装置及び方法
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US8002924B2 (en) * 2009-01-27 2011-08-23 Tamarack Products, Inc. Apparatus for splicing webs
ES2365008B1 (es) * 2011-05-06 2012-07-24 Manuel Torres Martínez Empalmador automático para suministro de bandas laminares en continuo.
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Also Published As

Publication number Publication date
EP0060450A1 (fr) 1982-09-22
DE3264833D1 (en) 1985-08-29
DE3109529A1 (de) 1982-09-23
US4492609A (en) 1985-01-08

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