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EP3038962A1 - Dispositif de dévidage automatique de matériaux en bande continue et procédé de fonctionnement d'un tel dispositif - Google Patents

Dispositif de dévidage automatique de matériaux en bande continue et procédé de fonctionnement d'un tel dispositif

Info

Publication number
EP3038962A1
EP3038962A1 EP14725167.2A EP14725167A EP3038962A1 EP 3038962 A1 EP3038962 A1 EP 3038962A1 EP 14725167 A EP14725167 A EP 14725167A EP 3038962 A1 EP3038962 A1 EP 3038962A1
Authority
EP
European Patent Office
Prior art keywords
roll
arm
drive unit
input arm
web
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
EP14725167.2A
Other languages
German (de)
English (en)
Other versions
EP3038962B1 (fr
Inventor
Jesus López Marin
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.)
PSA Technology Sarl
Original Assignee
PSA Technology Sarl
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 PSA Technology Sarl filed Critical PSA Technology Sarl
Publication of EP3038962A1 publication Critical patent/EP3038962A1/fr
Application granted granted Critical
Publication of EP3038962B1 publication Critical patent/EP3038962B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H19/12—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
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting 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
    • 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
    • B65H19/18—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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4135—Movable supporting means
    • B65H2301/41358—Movable supporting means moving on an arc of a circle, i.e. pivoting supporting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/31—Pivoting support means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2692—Arrangement of belts in pressure contact with a roll of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2693—Arrangement of belts on movable frame
    • 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
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a device for the automatic unwinding of sheet-like materials according to the preamble of claim 1, which will be referred to as unwinders, and a method of operating such a device according to claim 8.
  • Such devices or unwinders are used, for example, in the production of sheetlike Materials used.
  • the web is wound following a production line with a winder on a winding core to a parent roll.
  • the mother roll has relatively large dimensions, for example, a diameter of 2 m and more and a web width of more than 2 m.
  • the finished wound parent rolls are first buffered in a transfer area, which thus serves as a buffer. After that, the mother roll will be offline with help a unwinding unwound and assembled, for example, in a downstream cutting system according to customer requirements.
  • the production line can run for a limited time at a higher production speed than the cutting machine.
  • the necessary replacement of parent rolls in the unwinder results in downtimes.
  • one end of the web of the new parent roll to the downstream cutting system must be performed by the unwinder after removing the winding core of the unwound parent roll.
  • This requires the intervention of at least one operator, involves a certain susceptibility to errors and leads to downtime. Since an exchange of the parent roll must take place every few hours, these downtimes negatively affect the efficiency of the entire system. It is an object of the invention to provide an apparatus and method for efficient operation. In particular, downtime should be minimized when changing the parent role or even completely eliminated.
  • the invention provides the unwinder has a removal arm to which at least one second drive unit is assigned for introducing a drive force into the parent roll, wherein the parent roll can be transferred from the input arm to the removal arm during an unwinding operation.
  • the master roll can be stored both on the input arm and on the removal arm and actively handled by the first or second drive unit.
  • the mother roll is initially only engaged by the first Drive unit rotated and then passed to the removal arm.
  • the parent roll is also rotatably mounted and can be further developed there, wherein the necessary for a rotation of the mother roll driving force is introduced by the second drive unit.
  • the master roll can be uninterrupted unwound during the transfer from the input arm to the removal arm, for example, by the first drive unit continues to drive the parent roll until the second drive unit takes over the drive task.
  • the input arm and the removal arm are in particular pivotally mounted. While the master roll is unwound on the picker arm and driven by the second drive unit, the input arm may already be pivoted and receive a new parent roll prepared for unwinding. Accordingly, the unwinder according to the invention enables uninterrupted processing without having to be shut down for a change of parent rolls. This increases throughput and efficiency of the system.
  • the device has a pressure roller, which can be applied to a circumference of the mother roller, in particular mounted on the input arm, wherein the web is guided away from the master roll via the pressure roller and adapted at a displacement of the parent roll and thus a displacement of its axis of rotation can be.
  • the pressure roller is pivotally mounted in particular on an arm and arranged for example below the mother roll.
  • the pressure roller does not necessarily have to be strictly cylindrical in shape, but can also be formed, for example, by a circulating belt or the like.
  • the first drive unit on the input arm and / or the second drive unit on the removal arm is designed in particular as a winding shaft drive mounted on the front side.
  • a winding shaft drive mounted on the front side.
  • the winding core of the mother roll can be driven directly in the center.
  • it may also be provided to provide a winding shaft drive on each end face. This makes it possible to set the parent roll in rotation, without making contact with the web and to burden the web with a driving force.
  • the first drive unit is formed on the input arm as a first drive rocker and / or the second drive unit on the removal arm as a second drive rocker.
  • a drive rocker can be applied by swiveling to a circumference of the parent roll and can thus provide a driving force for rotating ren of the mother roll and thus bring to unwind the web. Since the drive rocker is applied to the circumference of the parent roll, it is control technology very easy to keep a winding speed constant.
  • the first drive rocker is arranged in particular above the mother roll, wherein the web is unwound down from mother roll.
  • the first drive rocker and / or the second drive rocker on one or more belt drives can comprise one or more belts.
  • a belt drive can be applied over a relatively large area to the circumference of the parent roll and thus cause a good power transmission. Therefore, the web can also consist of relatively sensitive materials.
  • the first drive rocker can be applied in particular from above to the parent roll.
  • a pivot point of the drive rocker may in particular lie above a movement path of the pivot point of the parent roll.
  • the second drive rocker is then below the first drive rocker, as it comes only at a caused by the unwinding reduced diameter of the mother roll used. In this case, the second drive rocker is brought in particular laterally or from above to the mother roll when it is transferred to the removal arm or has been.
  • the unwinder on a cutting device which is designed in particular as a Kappmesser with backbone.
  • the web can be severed transversely to the web running direction, so that a remainder of the web can remain on the otherwise unwound winding core.
  • the cutting device acts on the web between the removal arm or the parent roll mounted on the removal arm and the pressure roller. The cut of the web can then be placed in areas that can be relatively easily fed to a committee. For example, it is thus avoided that such a cut lies within a ready-made roll.
  • the unwinder preferably has a roll-laying stand, from which a newly provided mother roll can be received by the removal arm.
  • the new mother roll is made available on the roll rack stand, while the previous parent roll is still unwound.
  • the new mother role comes from the transfer area or buffer, avoiding waiting for a new parent role, which would disrupt the unwinding process.
  • the device has a removal device with which the unwound winding core can be removed from the removal arm.
  • the winding core need not be completely unwound, but may for example still have some windings of the web.
  • the removal device can transport the winding core away, for example, upwards or laterally from the removal arm.
  • the parent roll can be actively handled, that are each driven via at least one drive unit. This allows continuous unwinding in both positions.
  • the input arm and the removal arm are preferably moved toward one another, wherein in particular a drive via the first drive rocker takes place at least until the parent roll is mounted on the removal arm and is driven by the second drive unit. It can be provided to move only the input arm and keep the removal arm immobile.
  • one end of the web, which is unwound from the stored on the removal arm and in particular driven mother roll, at a beginning of the stored on the input arm and driven new mother role ipsple, in particular for the stored on the removal arm mother roll incoming web is pressed with a pressure roller to the circumference of the new parent roll.
  • the end of the web on the nearly completed So terrolle is connected to the beginning or the outer winding layer of the web on the new mother roll.
  • This process is simplified, for example, by using a double-sided adhesive tape.
  • there is a relatively large, solid compound by using the pressure roller a corresponding contact pressure is applied.
  • a threading of a new beginning of a web is thus not necessary, but can be a continuous operation. This also allows complete automation without the intervention of an operator.
  • the webs are pressed against one another with the aid of the pressure roller, due to the simultaneous driving of both parent rolls, no relative speed and therefore no friction occur.
  • 1 to 9 a side view of an apparatus for automatically unwinding a web at different times during a unwinding process.
  • an unwinder 1 is shown schematically in side view, which has an input arm 2, on which a mother roll 3 is rotatably mounted with a winding core 4.
  • a web is wound, for example, nonwoven material.
  • the parent roll 3 is removed, for example, from a buffer or transfer area of a nonwoven production plant and transferred to the input arm 2.
  • a roll storage stand 5 is provided, on which a new mother roll can be kept in a waiting position until it is taken over by the input arm 2.
  • the first drive rocker 6 has one or more belt drives 7 and is applied to a circumference of the parent roll 3 to a in To transmit circumferentially directed force. This is an unwinding of the mother roll 3, wherein the web 8 is guided via a pressure roller 9 and a guide roller 10, for example, to a downstream cutting system or other processing plant.
  • it can be provided for driving the mother roll 3 to provide a winding shaft drive as a center drive, which is mounted for example on the input arm and acts directly on the winding core 4. However, this is not shown in the figures.
  • the pressure roller 9 is pivotally mounted on an arm 1 1 and in particular to the periphery of the mother roll 3 can be pressed.
  • the input arm 2 is mounted pivotably, wherein a trajectory 12 of a rotation axis of the parent roll 3 is shown in dashed lines.
  • the unwinder 1 further comprises a removal arm 13 which is pivotally mounted.
  • the mother roll 3 can be transferred from the input arm 2 to the removal arm 13, which are pivoted toward each other.
  • the removal arm 13 is associated with a second formed as a second drive rocker drive unit 14, which is then applied to the periphery of the parent roll 3, when the mother roll 3 is mounted on the removal arm 13. Accordingly, it is possible to actively process the parent roll continuously, regardless of whether it is mounted on the input arm 2 or on the removal arm 13.
  • the second drive rocker 14 can also have one or more belt drives.
  • the unwinder 1 For severing the web, the unwinder 1 has a cutting device with a Kappmesser 15 and a counter-strike bar 16. Thus, the web is severed transversely to the web running direction when the mother roll is mounted on the removal arm 13. The cut is then made between the parent roll 3 mounted on the removal arm 13 and the pressure roll 9.
  • Figure 1 is a mother roll 3 on the input arm 2.
  • the first drive rocker 6 is brought to the periphery of the mother roll 3 and the web 8 is unwound via the pressure roller 9 and the guide roller 10 and fed to a cutting unit, not shown.
  • a new master roll 3 ' is provided on the roll-laying stand 5 (FIG. 2).
  • both the input arm 2 and the first drive rocker 6 has already been pivoted in the direction of the removal arm 13 in order to increase the available space.
  • the master roll 3 is held solely by the removal arm 13 and is driven by the second drive rocker 14, wherein the withdrawal of the material web 8 continues via the pressure roll 9 and the deflection roll 10.
  • the input arm 2 is pivoted in the direction roll stand 5 to accommodate a new master roll 3 '.
  • the first drive rocker 6 has been pivoted upwardly to allow the introduction of the new master roll 3 in an unwinding position. This is shown in FIG.
  • the new mother roll 3 ' is ready to participate in the unwinding process. Still, however, the web is unwound from the previous mother roll 3.
  • FIG. 6 now shows the beginning of a splicing process in which the material web coming from the parent roll 3 mounted on the removal arm 13 is spliced to the fabric web located on the new mother roll 3 '. This is done with the help of the pressure roller 9, which presses the webs together and generates the pressure forces required for the formation of the splice. At the same time, the cutting device is prepared with the Kappmesser 15 and the counter-ledge 16 to produce a section through the web.
  • FIG. 7 now shows the actual splicing process, with an initially two-ply material web being taken off after the pressure roller 9.
  • FIG. 8 shows how the product web coming from the previous mother roll 3 is severed by the cutting knife 15. Accordingly, the master roll 3 is finished unwound and, as shown in Figure 9, can be removed. A beginning of the wound on the new master roll 3 'web is automatically removed via the pressure roller 9 and the guide roller 10, without any interruption. The unwinder is in the same position as shown in FIG. Accordingly, a new development cycle begins.
  • a non-stop processing is possible. It is provided to perform an active unwinding of the parent roll by corresponding drive units both on the unloading arm and on the input arm, ie to use both positions for unwinding. This results in a significant increase in efficiency, especially in off-line systems, such as those used in nonwoven fabric production. Downtimes that were previously required due to the replacement of the parent roll, can be completely eliminated. In addition, complete automation is possible.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif de dévidage automatique de matériaux en bande continue (8) à partir d'un rouleau-mère (3), ainsi qu'un procédé pour faire fonctionner un tel dispositif. Le dispositif comporte un bras de chargement (2) et un premier ensemble d'entraînement (6). Le rouleau-mère (3) peut être supporté en rotation sur le bras de chargement (2) par l'intermédiaire de son mandrin de bobinage (4) et le premier ensemble d'entraînement (6) sert à appliquer une force d'entraînement au rouleau-mère (3). Pour atteindre une productivité élevée, la dévideuse (1) comporte un bras d'extraction (13) associé à un deuxième ensemble d'entraînement (14) servant à appliquer une force d'entraînement au rouleau-mère (3). Pendant une opération de dévidage, le rouleau-mère (3) peut être transféré du bras de chargement (2) au bras d'extraction (13). La bande de matériau (8) est ensuite dévidée du rouleau-mère (3) supporté sur le bras de chargement (2) jusqu'à atteindre un diamètre minimum prédéfinissable. Ensuite, tandis que l'opération de dévidage est en cours, le rouleau-mère (3) est transféré sur le bras d'extraction (13), où il continue à être dévidé activement, tandis qu'un nouveau rouleau-mère (3') est mis en place sur le bras de chargement (2). Ceci permet un dévidage sans interruption.
EP14725167.2A 2013-08-30 2014-05-20 Dispositif de dévidage automatique de matériaux en bande continue et procédé de fonctionnement d'un tel dispositif Active EP3038962B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013109427.9A DE102013109427B4 (de) 2013-08-30 2013-08-30 Vorrichtung zum automatischen Abwickeln von bahnförmigen Materialien und Verfahren zum Betreiben einer derartigen Vorrichtung
PCT/EP2014/060305 WO2015028159A1 (fr) 2013-08-30 2014-05-20 Dispositif de dévidage automatique de matériaux en bande continue et procédé de fonctionnement d'un tel dispositif

Publications (2)

Publication Number Publication Date
EP3038962A1 true EP3038962A1 (fr) 2016-07-06
EP3038962B1 EP3038962B1 (fr) 2021-04-07

Family

ID=50736097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14725167.2A Active EP3038962B1 (fr) 2013-08-30 2014-05-20 Dispositif de dévidage automatique de matériaux en bande continue et procédé de fonctionnement d'un tel dispositif

Country Status (4)

Country Link
US (1) US10005636B2 (fr)
EP (1) EP3038962B1 (fr)
DE (1) DE102013109427B4 (fr)
WO (1) WO2015028159A1 (fr)

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DE102013109427B4 (de) 2013-08-30 2019-12-19 PSA Technology S.à.r.l. Vorrichtung zum automatischen Abwickeln von bahnförmigen Materialien und Verfahren zum Betreiben einer derartigen Vorrichtung
US10457512B2 (en) 2016-09-19 2019-10-29 New Era Converting Machinery, Inc. Automatic lapless butt material splice
DE102017121892B4 (de) * 2017-09-21 2021-02-11 Universität Bremen Verfahren, Vorrichtung und Verwendung einer Vorrichtung zum kontinuierlichen Handhaben und Ablegen von technischen Textilien, insbesondere in Form eines Textillagenpakets, in ein Formwerkzeug
CN110304481B (zh) * 2019-07-22 2024-01-05 黄山富田精工智造股份有限公司 自动贴胶装置
IT202000017404A1 (it) * 2020-07-17 2022-01-17 Stefano Petri Svolgitore compatto
CN115258780A (zh) * 2022-03-10 2022-11-01 深圳垒石热管理技术股份有限公司 一种复卷机
EP4547588A1 (fr) * 2022-08-17 2025-05-07 BW Converting, Inc. Machine de déroulement d'épissage automatique à bande unique et procédé
WO2024079121A1 (fr) * 2022-10-11 2024-04-18 Windmöller & Hölscher Kg Dispositif de déroulement d'une bande de matériau à partir d'un ou de plusieurs rouleaux de bande de matériau
DE102022212401A1 (de) * 2022-11-21 2024-05-23 Windmöller & Hölscher Kg Vorrichtung zum Abwickeln einer Materialbahn von mehreren Materialbahnrollen

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Also Published As

Publication number Publication date
DE102013109427A1 (de) 2015-03-19
WO2015028159A1 (fr) 2015-03-05
US20160207727A1 (en) 2016-07-21
US10005636B2 (en) 2018-06-26
EP3038962B1 (fr) 2021-04-07
DE102013109427B4 (de) 2019-12-19

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