EP0629173B1 - Dispositif de decoupage et de retrait destine a l'enveloppe protectrice d'un rouleau de materiau - Google Patents

Dispositif de decoupage et de retrait destine a l'enveloppe protectrice d'un rouleau de materiau Download PDF

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Publication number
EP0629173B1
EP0629173B1 EP93905721A EP93905721A EP0629173B1 EP 0629173 B1 EP0629173 B1 EP 0629173B1 EP 93905721 A EP93905721 A EP 93905721A EP 93905721 A EP93905721 A EP 93905721A EP 0629173 B1 EP0629173 B1 EP 0629173B1
Authority
EP
European Patent Office
Prior art keywords
roll
cutting
material roll
rotation
carrier
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
EP93905721A
Other languages
German (de)
English (en)
Other versions
EP0629173A1 (fr
Inventor
Mikael RENSTRÖM
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.)
NDC Netzler and Dahlgren Co AB
Original Assignee
NDC Netzler and Dahlgren Co AB
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
Priority claimed from SE9200625A external-priority patent/SE9200625D0/xx
Application filed by NDC Netzler and Dahlgren Co AB filed Critical NDC Netzler and Dahlgren Co AB
Publication of EP0629173A1 publication Critical patent/EP0629173A1/fr
Application granted granted Critical
Publication of EP0629173B1 publication Critical patent/EP0629173B1/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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/08—Supporting web roll parallel rollers 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
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/10—Arrangements for effecting positive rotation of web roll
    • B65H16/106—Arrangements for effecting positive rotation of web roll in which power is applied to web 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/105—Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web 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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/42—Supports for rolls fully removable from the handling machine
    • B65H2405/422—Trolley, cart, i.e. support movable on floor

Definitions

  • the present invention relates to a device for cutting a protective layer away from a material roll of web-formed material, comprising a rotation device intended to rotate the roll, whereby the rotation device includes at least two rotatable carrier rollers, on which the material roll is supported and is arranged to rotate, whereby the protective layer on the material roll is cut away from the roll during a cutting operation by means of a cutting tool which is arranged to contact the roll during its rotation.
  • a packaging in form of one or more protective layers on the end faces of the roll or covering layers of a strong material, for example coarse paper.
  • a strong material for example coarse paper.
  • the object of the present invention is to facilitate the procedure with removal of the protective layer from material rolls.
  • a device which is characterized in that said rotatable carrier rollers form lifting and carrying means on a mobile load carrier in order to support the material roll whilst rotating it during the cutting operation and to transport the material roll to and, respectively, from a chosen place for the cutting operation.
  • Fig. 1 shows a perspective view of the arrangement according to the invention
  • Fig. 2 in an end view, shows a particular embodiment with a stationary part as well as the mobile parts shown in Fig. 1 of the device in a position for cutting away the protective layer from a material roll.
  • the device according to the invention in a developed embodiment, can consist of a stationary unit 1 and a mobile unit 2.
  • the stationary unit is formed from a stationary cutting device which is fixedly attached onto a floor 3 and supports a cutting tool in the form of a knife unit 4, which projects sidewardly from a stand with a control and drive unit 5 for the cutting device 1.
  • the knife unit 4 is for instance movably arranged relative to the control and drive unit 5 for giving controlled movement between a retracted position, for example retracted to a hidden position inside the unit 5, and a projecting cutting position shown in Fig. 2 and possibly also movable sideways, i.e. essentially horizontally.
  • the cutting edge 6 of the knife unit extends preferably in a vertical plane or at a small angle to this.
  • the mobile unit 2 is built like a mobile load carrier, for example like a so-called auto carrier i.e. a self-driven self-controlled load vehicle which moves between determined positions.
  • the vehicle can either follow a predetermined path, choose between several different predetermined paths or be programmed to choose by itself suitable routes between stations.
  • the freedom of movement of the mobile unit is dependent on the chosen technique for controlling the unit.
  • a commonly occurring control technique is based on fixedly inlaid control loops in the floor, whilst a more flexible solution is constituted by a previously known navigation system which is based on a rotating laser carried by the vehicle, which detects the reflections from fixed reflection points in the premises. By measuring the laser beam's angle relative to a reference line in the horizontal plane during reflection from at least two reflection points, the position can be determined and the vehicle controlled according to a chosen path by means of control equipment.
  • the mobile unit 2 is made up of a wagon 7 with at least three wheels 8, 9 and 10, of which at least one constitutes a steering wheel which is controlled by means of the automatic control equipment.
  • the steering wheel 10 or any of the other wheels 8, 9 serve(s) as a drive wheel which is driven by a drive motor for displacement of the wagon 7 with the desired speed and for starting and stopping in chosen positions.
  • the wagon presents a lifting device 11 in the form of a so-called forklift in which the lifting device is designed as a raisable and lowerable unit, movable along a guide 12.
  • the lifting device 11 presents two lifting and carrying members 13, 14, which are formed by two carrying rollers.
  • the carrying rollers 13, 14 thereby form, in the shown example, fork legs positioned essentially parallel to each other and at a suitable respective distance such that they can support and rotate a roll 16 of continuous material web, e.g. paper.
  • the roll is essentially cylindrical with a cylindrical outer surface 17 and two end faces 18.
  • the roll normally presents a central core 19 in the form of a tube on which the material web is rolled up.
  • the roll 16 is completely or partially enclosed in a protective layer which surrounds at least the end faces 18 and is normally made from a layer of strong paper.
  • the protective layer can even cover the outer surface 17 completely or partially.
  • the most common form of the protective layer is a sheet of paper attached on each one of the end faces, said sheet of paper being folded with a part over the roll's circular edge 22, 23 and glued against the cylinder outer surface 17. It is normally sufficient that the sheet extends a few centimetres over onto the cylindrical surface.
  • the carrying rollers 13, 14 present a suitable, relatively small diameter and necessary length in order to be able to be inserted on either side of the support surface of the material roll on a base. With the above shown dimension and respective distance it is realised that the roll is collected from a level above the base 3, for example on a cradle or similar.
  • the crab 15 can also be arranged such that both carrier rollers 13, 14 are movable sideways with respect to each other, preferably by means of a highly geared drive motor, whereby the carrying rollers can be adapted to different dimensions of material rolls which are to be lifted.
  • the crab 15 further presents a drive motor for rotation of one or both of the carrying rollers 13, 14 so that after activation they can be made to rotate around their longitudinal axis 20 for rotation of the material roll 17 around its geometrical longitudinal axis 21.
  • This rotation can be activated either manually by means of a manoeuvring member on the mobile unit 2 or remotely controlled via control and drive unit 5 or a non-depicted central computer in the material handling system.
  • the idea with the arrangement according to the invention is thus to remove the protective layer, i.e. the packaging, from the material roll in an efficient manner.
  • the protective layer should be removed from the end surfaces 18, which occurs in the following manner:
  • the material roll 16 is carried into position by means of the mobile unit 2 from a warehouse, production site or similar, to the cutting position shown in Fig. 2, whereupon the rotation device is activated. This activation can occur shortly before or when the mobile unit 2 is located at the position shown in Fig. 2 close to the cutting device 1, whereby also the knife unit is activated to contact the periphery 17 of the material roll 16 and to penetrate the outer surface at one edge portion 22, 23 at a time.
  • the packaging of the material roll 16 is made of a strong material, for example coarse paper in one or more layers, which thus shall be removed from the roll on the end faces 18 before the material web can be unrolled from this.
  • Cutting open of the packaging by means of the cutting device 1 is achieved when the material roll 16 rotates whilst the knife unit 6 is made to penetrate through the packaging. This occurs with the mobile unit 2 and the knife unit 6 standing still in the position shown in fig. 2.
  • the knife unit is started and is held as near as possible to the edge portions 22, 23 of the material roll, whereby a purely annular complete cutline is achieved which thus cuts off the packaging over the end part of the roll.
  • the knife unit After a movement of either the knife unit or the mobile unit in the longitudinal direction of the roll, the knife unit is placed against the other end part, whereafter the roll is rotated and the packaging at the other end face is cut off in a similar manner whereby the protection layer falls down or is removed by hand.
  • the mobile unit 2 can be activated in order to move to the next station and thus take with it the material roll without any load transfer procedure.
  • the invention is not limited to the embodiments described above and shown in the drawings, but can be varied within the scope of the appended claims.
  • the drive means can consist of a drive roll which lies against the periphery of the roll or eccentrically against one end surface.
  • a drive axle with engagement means can alternatively be coupled to the centre of the roll.
  • the stationary unit 1 can be replaced by a person holding a cutting tool such as a knife in a manner which corresponds to that described above, i.e. during rotation of the roll on the mobile unit. In this way any suitable position whatsoever can be chosen for the cutting operation.
  • the knife unit can be made to perform a sideways movement along the roll during its rotation whereby a spiral-formed cutline is obtained and the protective layer can be removed.
  • the carrier members 13, 14 are made from several shorter rollers which are rotatably carried on the lifting forks of the mobile unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Claims (9)

  1. Appareil de coupe d'une couche protectrice d'un rouleau (16) d'un matériau sous forme d'une bande continue, comprenant un dispositif (13, 14) d'entraînement en rotation destiné à faire tourner le rouleau (16), le dispositif d'entraînement en rotation comporte au moins deux rouleaux rotatifs (13, 14) de transport sur lesquels le rouleau (16) du matériau est supporté et est destiné à tourner, si bien que la couche protectrice placée sur le rouleau (16) du matériau est découpée du rouleau (16) pendant l'opération de coupe par un outil de coupe (4) qui est destiné à être au contact du rouleau pendant sa rotation, caractérisé en ce que les rouleaux rotatifs (13, 14) de transport forment un dispositif de levage et de transport sur un transporteur mobile (7) de charge afin que le rouleau (16) du matériau soit supporté pendant qu'il tourne au cours de l'opération de coupe et que le rouleau (16) du matériau soit transporté vers un emplacement choisi et à partir d'un tel emplacement choisi pour l'opération de coupe.
  2. Appareil selon la revendication 1, caractérisé en ce que les rouleaux (13, 14) de transport peuvent être soulevés et abaissés par un ensemble élévateur (11) du transporteur (7) de charge qui peut être soulevé et abaissé.
  3. Appareil selon la revendication 1, caractérisé en ce que les rouleaux de transport (13, 14) sont disposés parallèlement l'un à l'autre et leur distance mutuelle est réglable.
  4. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que les rouleaux de transport (13, 14) sont disposés chacun afin qu'il puisse tourner sur la branche respective d'une fourche d'un chariot élévateur (11) à fourche.
  5. Appareil selon la revendication 4, caractérisé en ce qu'un rouleau transporteur au moins (13, 14) est raccordé à un moteur d'entraînement placé sur le transporteur mobile (7) de charge afin qu'il fasse tourner le rouleau transporteur.
  6. Appareil selon la revendication 1, caractérisé en ce que l'outil de coupe (4) est supporté par un dispositif de coupe qui forme une unité fixe (1) vers laquelle et à partir de laquelle l'unité mobile (7) est déplacée.
  7. Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que le transporteur de charge est constitué par un transporteur automatique incorporé à un système de manutention automatique de charge, et en ce que le transporteur automatique est destiné à être placé en position de coupe dans laquelle l'outil de coupe (4) est destiné à être au contact de la périphérie du rouleau.
  8. Appareil selon la revendication 6, caractérisé en ce que le dispositif d'entraînement en rotation (13, 14) comporte un moteur fixe d'entraînement placé en position de coupe afin qu'il positionne un organe d'entraînement contre le rouleau du matériau et assure sa rotation.
  9. Appareil selon la revendication 8, caractérisé en ce que le moteur d'entraînement est constitué par un rouleau menant sous forme d'un rouleau de friction destiné à être au contact de la périphérie du rouleau (16) du matériau.
EP93905721A 1992-03-02 1993-02-26 Dispositif de decoupage et de retrait destine a l'enveloppe protectrice d'un rouleau de materiau Expired - Lifetime EP0629173B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9200625A SE9200625D0 (sv) 1992-03-02 1992-03-02 Anordning foer avskaerning av material fraan en materialrulle
SE9200625 1992-03-02
SE9202712A SE500407C2 (sv) 1992-03-02 1992-09-21 Anordning för avskärning av skyddsskikt från en materialrulle
SE9202712 1992-09-21
PCT/SE1993/000160 WO1993017946A1 (fr) 1992-03-02 1993-02-26 Dispositif de decoupage et de retrait destine a l'enveloppe protectrice d'un rouleau de materiau

Publications (2)

Publication Number Publication Date
EP0629173A1 EP0629173A1 (fr) 1994-12-21
EP0629173B1 true EP0629173B1 (fr) 1997-04-23

Family

ID=26661345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93905721A Expired - Lifetime EP0629173B1 (fr) 1992-03-02 1993-02-26 Dispositif de decoupage et de retrait destine a l'enveloppe protectrice d'un rouleau de materiau

Country Status (8)

Country Link
EP (1) EP0629173B1 (fr)
JP (1) JPH07504387A (fr)
AT (1) ATE152073T1 (fr)
AU (1) AU3653893A (fr)
DE (1) DE69310157T2 (fr)
DK (1) DK0629173T3 (fr)
SE (1) SE500407C2 (fr)
WO (1) WO1993017946A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI3907U1 (fi) 1999-01-13 1999-04-13 Valmet Corp Telalaatikko
DE20004496U1 (de) * 2000-03-14 2000-07-06 K N O L L E K Metall Und Speng Transport- und Abrollgerät für Bandwickel
DE502004005609D1 (de) * 2004-09-03 2008-01-10 Metso Paper Ag Lagerbediengerät sowie Anlage zum Vorbereiten und Zwischenlagern von Papierrollen und Zuführen derselben zu mindestens einem Rollenständer und Verfahren zu ihrem Betrieb
FI118593B (fi) 2005-03-03 2008-01-15 Jaakko Maekinen Rullalle kelatun rainan leikkurilaite
ITUA20162971A1 (it) * 2016-04-28 2017-10-28 Salmoiraghi S P A Dispositivo mobile a guida inerziale per scaricare bobine cariche di filo da una macchina avvolgitrice
SE542363C2 (en) 2017-02-22 2020-04-14 Core Link Ab Method and apparatus for removing wrapping from rolls

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337663C2 (de) * 1973-07-25 1986-12-11 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Vorbereiten von Wickelrollen aus Bahnmaterial für das Abwickeln für den Druck
CH618139A5 (en) * 1977-05-17 1980-07-15 Cilander Ag Winding appliance for winding a web-shaped sheet-like structure onto a winding core
US4821971A (en) * 1988-03-17 1989-04-18 Kabushiki Kaisha Kaneda Kikai Seisakusho Device for peeling and cutting off surface portions of paper rolls
US4863335A (en) * 1988-03-25 1989-09-05 Haines & Emerson, Inc. Automatic guided vehicle roll-handling system
US4948060A (en) * 1988-09-12 1990-08-14 Butler Automatic, Inc. Automatic web roll handling system for splicing
JPH0542913A (ja) * 1991-07-26 1993-02-23 Ishida Scales Mfg Co Ltd 包装装置

Also Published As

Publication number Publication date
DE69310157T2 (de) 1997-11-27
DE69310157D1 (de) 1997-05-28
ATE152073T1 (de) 1997-05-15
SE9202712D0 (sv) 1992-09-21
JPH07504387A (ja) 1995-05-18
SE500407C2 (sv) 1994-06-20
WO1993017946A1 (fr) 1993-09-16
SE9202712L (sv) 1993-09-03
EP0629173A1 (fr) 1994-12-21
AU3653893A (en) 1993-10-05
DK0629173T3 (da) 1997-11-03

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