EP0442038B1 - Méthode et dispositif pour le remplacement automatique d'une bobine pleine par un nouveau noyau d'enroulement - Google Patents

Méthode et dispositif pour le remplacement automatique d'une bobine pleine par un nouveau noyau d'enroulement Download PDF

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Publication number
EP0442038B1
EP0442038B1 EP90119865A EP90119865A EP0442038B1 EP 0442038 B1 EP0442038 B1 EP 0442038B1 EP 90119865 A EP90119865 A EP 90119865A EP 90119865 A EP90119865 A EP 90119865A EP 0442038 B1 EP0442038 B1 EP 0442038B1
Authority
EP
European Patent Office
Prior art keywords
roll
carrier
web
bed
full
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 - Lifetime
Application number
EP90119865A
Other languages
German (de)
English (en)
Other versions
EP0442038A3 (en
EP0442038A2 (fr
Inventor
Hartmut Dropczynski
Ernst Günther Urban
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.)
Jagenberg AG
Original Assignee
Jagenberg 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 Jagenberg AG filed Critical Jagenberg AG
Publication of EP0442038A2 publication Critical patent/EP0442038A2/fr
Publication of EP0442038A3 publication Critical patent/EP0442038A3/de
Application granted granted Critical
Publication of EP0442038B1 publication Critical patent/EP0442038B1/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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2246—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being supported on two 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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4182—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
    • B65H2301/41826—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position by gripping or pushing means, mechanical or suction gripper

Definitions

  • the invention relates to a method for automatically changing a full winding roll against a new winding tube in support roller winding machines and a support roller winding machine for carrying out the method.
  • DE-OS 31 51 256 discloses a device which consists of a structural unit which can be pivoted about the axis of one of the support rollers by means of pivoting levers and comprises a stapling and cutting device.
  • the cutting device is an active knife that can be moved across the web width and cuts the web on the winding tube, with the newly formed beginning of the web being stapled or glued to the winding tube.
  • the device for cutting and tacking the web is very complex in terms of construction and takes a relatively long time.
  • GB-A-2 188 911 describes a method for automatically changing a open winding roll against a new winding tube in a carrier roller winding machine for material webs, in which the web is first weakened before reaching the carrier roller, an adhesive is applied to both sides of the weakening and then increased the web train is cut on the support roller due to a braking force.
  • the web ends stick to the surface due to the negative pressure prevailing in the support roller until they have reached the winding roll and stick to it.
  • the newly created web beginnings remain braked during this movement, so that the support roller rotates under the suctioned web start until after unloading the winding rolls and releasing the brake the new web start is transported and glued from the support roll to the winding cores.
  • two support rollers can be provided instead of one.
  • an apparatus for performing the method is also disclosed in this document.
  • the invention has for its object to provide a method that can be used in support roller winding machines even when winding heavy paper types (greater than 120 g / m2) for the fastest and most reliable roll change.
  • a further important advantage is that it is possible to equip or retrofit carrier roll winding machines with roll changing devices for light paper types - as described in DE-OS 29 20 707 and DE-OS 29 48 877 - in such a way that they additionally heavy paper types can process.
  • the carrier roller winding machines equipped or retrofitted in this way can thus paper or cardboard webs of the entire Process the basis weight range, whereby the known shorter roll change times of light paper types are almost achieved even when processing heavy paper types.
  • claim 2 contains a particularly advantageous variant of a method according to claim 1, claims 3 to 5 support roller winding machines for carrying out the method according to the invention are claimed.
  • the particularly advantageous embodiment according to claim 5 enables the processing of paper or cardboard webs of the entire basis weight range with very little downtime for a roll change.
  • the carrier roller winding machine has two driven carrier rollers 1, 2, between which a roller bed 3 is formed, in which the winding rollers 4 rest on the carrier rollers 1, 2 during winding.
  • Such double carrier roll winding machines are widely known and z. B. described in DE-OS 32 07 461, so that individual parts, insofar as they do not relate to the invention, are not dealt with.
  • the wrapped support roller 1 is designed as a suction roller, it can be subjected to a vacuum to hold the web 5.
  • a machine-wide support 6 which can be raised and lowered and which has at its upper end a foldable in the direction of the support roller 1, over which Entire working width extending separating knife 7 carries, which can be moved through the gap between the support rollers 1, 2 to the upper gusset between the two support rollers 1, 2 (roller bed 3) and at the same time lowered into a position that does not disturb the winding.
  • rollers 8 are freely rotating and resiliently mounted on the support 6 over the working width in such a way that they abut the circumference of the supporting roller 1 in a position somewhat above the narrowest point between the two supporting rollers 1, 2.
  • a perforating device 10 and two adhesive tape dispensers 11, 12 are arranged on the inlet side, just before the web 5 touches the support roller 1.
  • the perforating device 10 consists of a toothed knife which extends over the working width and which can be moved into the groove of a counter-holder 13 arranged on the other side of the web.
  • the counter-holder 13 has, in addition to the groove, support surfaces for the web 5, so that it cannot deflect when perforating and applying the double-sided adhesive tapes.
  • adhesive tape dispensers 11, 12 for narrow adhesive tapes which are glued across the web 5 are arranged on both sides of the perforating device 10.
  • a large number of adhesive tape dispensers 11.1 are arranged across the working width and release their adhesive tapes in the direction of web travel. This has the advantage that the adhesive tapes can be attached by means of the moving web. The downtime of the winding machine can be further reduced if the tape is applied when the machine is restarted after perforating.
  • an ejection roller 14 is pivotable about the support roller 1 and is freely rotatably mounted on lateral pivot arms 14.1 which can be pivoted about the axis of the support roller 1.
  • the counter-holder 13 can be structurally advantageous attached to the swivel arms 14.1 at the bottom, so that it can be moved against the web 5 by pivoting the ejection roller 14.
  • a sleeve insertion device 15 is attached to the swivel arms 14.1 in the region between the ejection roller 14 and the supporting roller 1, for. B. a sleeve pliers or a sleeve trough with which a set of new sleeves 16 can be inserted into the roller bed 3.
  • the sleeve insertion device 17 can also be fastened in a known manner, separately from the ejection roller 14, to pivot arms 17.1 which can be pivoted about the support roller 2, in order to insert a set of new sleeves 16 into the roller bed 3 via the support roller 2. It is also possible to provide a winding machine with both core insertion devices 15, 17. Then the device 15 pivoting about the support roller 1 is used for inserting sleeves with a small diameter, the device 17 for inserting sleeves with a large diameter.
  • the roll change is carried out as follows: When the winding roll 4 has reached a predetermined web length or a predetermined diameter, the carrier roller winding machine is stopped; ie the drives of the support rollers 1, 2 are braked. The web 5 comes to a standstill under web tension due to the braking force that is applied by the unwinding device, not shown. In the area in front of the wrapped roller 1, two adjacent double-sided adhesive tapes are now applied by the adhesive tape dispensers 11, 12 across the width of the web 5. Simultaneously or immediately afterwards, the material web 5 is weakened with the perforating device 10 over its entire width.
  • the degree of weakening is set depending on the type of material, so that the force required to separate the web 5 is always approximately the same regardless of the type of material.
  • the machine is then started again until the weakened web site with the two adhesive strips 18, 19 is in the roller bed 3, but still below the line of contact of the new sleeves 16 still to be inserted on the support roller 1. There the web 5 is stopped again and the brake on the unwinding device is locked so that the web 5 is retained with maximum force. Likewise, the support 6 is raised so that the rollers 8 hold the web 5 at a short distance below the weakened point on the support roller 1. With this procedure, that is Cutting knife 7 not used, therefore not folded in the direction of the support roller 1.
  • the holding of the web 5 on the support roller 1 can be supported by applying a vacuum.
  • the full winding roll 4 is raised slightly with the ejection roll 14 and the support roller 2 is driven in the direction of arrow 20 counterclockwise. It thus rotates the roller 4 in a clockwise direction (arrow 21), so that a tension is exerted on the weakened web site, which leads to the web 5 being severed at this location.
  • the winding roller 4 is rotated until the adhesive tape 18 located at the end of the web has been forced through the gap between the ejection roller 14 and the winding roller 4, so that the end of the web 5 is firmly connected to the winding roller 4.
  • the ejection roller 14 is then pivoted further in the direction of the support roller 2 and the full winding roller 4 is ejected from the roller bed 3.
  • the support 6 is raised so far that the rollers 8 no longer touch the support roller 1.
  • the web 5 is held exclusively by the negative pressure in the support roller 1 on its surface.
  • the knife 7 swivels in the direction of the support roller 1, a small distance being maintained in order to avoid damage.
  • the web 5 is severed by ejecting the full winding roll 4 via the support roller 2 by means of the ejection roll 14, the separating knife 7 acting as a passive tear-off edge. After the full winding roll 4 has been ejected, the support 6 is lowered again with the separating knife 7 and a set of new sleeves 16 is inserted.
  • Adhesive tapes or traces of glue are attached to the sleeves 16 in a known manner in order to secure the newly created start of the web to them.
  • the winding of the beginning of the web on the sleeves 16 takes place automatically after the pressure roller 22 has been put on when the carrier roller machine is restarted by rotating the two carrier rollers 1, 2.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Claims (5)

  1. Procédé pour le remplacement automatique d'une bobine pleine (4) par un nouveau noyau d'enroulement (16) dans une enrouleuse à cylindres porteurs avec deux cylindres porteurs motorisés (1, 2) pour des bandes de matière (5), dans lequel la bande (5) déviée par le premier cylindre porteur (1) est guidée par le bas à travers l'intervalle entre les cylindres porteurs dans le lit (3), avec les opérations suivantes :
    - la bande de matière (5) est maintenue et affaiblie à l'arrêt dans la région située avant le premier cylindre porteur (1),
    - un agent adhésif est appliqué de part et d'autre de l'affaiblissement,
    - ensuite, la zone affaiblie est déplacée dans le lit (3) et elle y est maintenue sous la ligne de contact du noyau d'enroulement vide (16) avec le premier cylindre porteur (1),
    - le début de bande à créer nouvellement est maintenu sur le premier cylindre porteur (1) embrassé,
    - ensuite la bande (5) est séparée par un accroissement de la traction de la bande contre une force de freinage et l'extrémité de la bande est collée à la bobine pleine (4) par rotation de la bobine pleine (4) au moyen du second cylindre porteur (2) non embrassé,
    - ensuite la bobine pleine (4) est retirée du lit (3), et
    - après le placement d'un nouveau noyau d'enroulement (16), celui-ci est collé au nouveau début de bande par rotation des deux cylindres porteurs (1, 2).
  2. Procédé suivant la revendication 1, caractérisé en ce qu'avant la séparation de la bande (5), la bobine pleine (4) est soulevée du premier cylindre porteur (1) embrassé au moyen d'un cylindre d'éjection (14) et elle est, après passage de l'extrémité de la bande à travers l'intervalle entre la bobine (4) et le cylindre d'éjection (14), éjectée par ce dernier hors du lit (3) au-dessus du second cylindre porteur (2) non embrassé.
  3. Enrouleuse à cylindres porteurs pour la mise en oeuvre du procédé suivant la revendication 1 ou 2, caractérisée par
    - deux cylindres porteurs motorisés (1, 2), entre lesquels est formé un lit (3), dans laquelle la bande de matière (5) déviée par le premier cylindre porteur (1) est guidée par le bas à travers l'intervalle entre les deux cylindres porteurs (1, 2) dans le lit (3),
    - un dispositif d'éjection (14) pour soulever et éjecter la bobine pleine (4) hors du lit (3),
    - un dispositif de perforation (10), qui est disposé avant le premier cylindre porteur (1), et un dispositif pour appliquer un agent adhésif (11, 12),
    - un dispositif pour maintenir la bande (5), sous la zone perforée, sur le premier cylindre porteur (1) dans la région embrassée, et
    - un dispositif (15 respectivement 17) pour placer des nouveaux noyaux (16) dans le lit (3).
  4. Enrouleuse à cylindres porteurs suivant la revendication 3, caractérisée par des cylindres (8) montés de façon flottante et libre sur un support (6), en guise de dispositif de maintien, qui peuvent être remontés à travers l'intervalle entre les cylindres porteurs (1, 2) dans la région du lit (3).
  5. Enrouleuse à cylindres porteurs suivant la revendication 4, caractérisée en ce que le premier cylindre porteur (1) embrassé est constitué par un cylindre aspirant et en ce que, sur le support (6) au-dessus des cylindres (8), est articulé un couteau (7), rabattable en direction du premier cylindre porteur (1), qui sert d'arête de séparation pour la bande de matière (5).
EP90119865A 1990-02-07 1990-10-17 Méthode et dispositif pour le remplacement automatique d'une bobine pleine par un nouveau noyau d'enroulement Expired - Lifetime EP0442038B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4003504 1990-02-07
DE4003504A DE4003504A1 (de) 1990-02-07 1990-02-07 Verfahren und vorrichtung zum automatischen wechseln einer vollen wickelrolle gegen eine neue wickelhuelse

Publications (3)

Publication Number Publication Date
EP0442038A2 EP0442038A2 (fr) 1991-08-21
EP0442038A3 EP0442038A3 (en) 1992-03-18
EP0442038B1 true EP0442038B1 (fr) 1995-10-11

Family

ID=6399543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90119865A Expired - Lifetime EP0442038B1 (fr) 1990-02-07 1990-10-17 Méthode et dispositif pour le remplacement automatique d'une bobine pleine par un nouveau noyau d'enroulement

Country Status (9)

Country Link
US (1) US5222679A (fr)
EP (1) EP0442038B1 (fr)
JP (1) JP3053878B2 (fr)
AT (1) ATE128943T1 (fr)
BR (1) BR9100273A (fr)
CA (1) CA2033615C (fr)
DE (2) DE4003504A1 (fr)
ES (1) ES2081892T3 (fr)
FI (1) FI103878B (fr)

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US7114675B1 (en) * 2003-05-22 2006-10-03 Kohler Herbert B Dual-drum winding machine
DE10329690B4 (de) * 2003-07-02 2006-03-09 Voith Paper Patent Gmbh Verfahren zum Einführen einer Bahn, insbesondere einer Papier-oder Kartonbahn, in eine Rollenwickelvorrichtung und Rollenwickelvorrichtung
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Also Published As

Publication number Publication date
EP0442038A3 (en) 1992-03-18
BR9100273A (pt) 1991-10-22
FI103878B1 (fi) 1999-10-15
US5222679A (en) 1993-06-29
EP0442038A2 (fr) 1991-08-21
CA2033615C (fr) 2000-10-10
ATE128943T1 (de) 1995-10-15
DE4003504A1 (de) 1991-08-08
ES2081892T3 (es) 1996-03-16
FI103878B (fi) 1999-10-15
JP3053878B2 (ja) 2000-06-19
CA2033615A1 (fr) 1991-08-08
FI910574A0 (fi) 1991-02-06
FI910574A (fi) 1991-08-08
JPH04213540A (ja) 1992-08-04
DE59009768D1 (de) 1995-11-16

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