EP3562772B1 - Device for continuous production of coils of wound strips - Google Patents

Device for continuous production of coils of wound strips Download PDF

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Publication number
EP3562772B1
EP3562772B1 EP17832543.7A EP17832543A EP3562772B1 EP 3562772 B1 EP3562772 B1 EP 3562772B1 EP 17832543 A EP17832543 A EP 17832543A EP 3562772 B1 EP3562772 B1 EP 3562772B1
Authority
EP
European Patent Office
Prior art keywords
web
protective film
winding
strip
blade
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
EP17832543.7A
Other languages
German (de)
French (fr)
Other versions
EP3562772A1 (en
Inventor
Georges FORAND
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.)
Sas Mondon
Original Assignee
Sas Mondon
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 Sas Mondon filed Critical Sas Mondon
Priority to RS20210340A priority Critical patent/RS61735B1/en
Publication of EP3562772A1 publication Critical patent/EP3562772A1/en
Application granted granted Critical
Publication of EP3562772B1 publication Critical patent/EP3562772B1/en
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
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1821—Flying splicing, i.e. the expiring web moving during splicing contact taking place on 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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2284—Simultaneous winding at several stations, e.g. slitter-rewinders
    • 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
    • B65H2301/414—Winding
    • B65H2301/4143—Performing winding process
    • B65H2301/41432—Performing winding process special features of winding process
    • B65H2301/414324—Performing winding process special features of winding process involving interleaf web/sheet, e.g. liner
    • 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
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/516—Securing handled material to another material
    • B65H2301/5162—Coating, applying liquid or layer of any material to 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
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/217—Accumulators of rollers type, e.g. with at least one fixed and one movable roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/231—Turret winders
    • B65H2408/2315—Turret winders specified by number of arms
    • B65H2408/23152—Turret winders specified by number of arms with two arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/24—Specific machines for handling web(s) unwinding machines
    • B65H2408/241—Turret
    • B65H2408/2415—Turret specified by number of arms
    • B65H2408/24153—Turret specified by number of arms with two arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1133—Size of webs
    • B65H2701/11332—Size of webs strip, tape, narrow 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/172—Composite material
    • B65H2701/1722—Composite material including layer with adhesive properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/172—Composite material
    • B65H2701/1727—Composite material including layer with anti-adhesive properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape

Definitions

  • the present invention relates to a device for producing wound tapes.
  • Some materials are produced in the form of sheets rolled up in wide widths which are then split into patties.
  • Slitting refers to the action of cutting strips along a longitudinal axis.
  • Products such as sticky tapes can be made in the form of wide webs which are then slit. These products can be sheets of gum, products covered with adhesive or any other product having a surface to be protected in order to prevent the rolled product from sticking itself, which would make it unusable.
  • the protective film can be, for example, a sheet of paper or plastic material.
  • the addition of the protective film is carried out by a machine separate from the web slitting machine. The purpose of this machine is to wind full width webs. These coils are then unwound to perform the slitting in small widths. Changing machines causes a drop in productivity and slows down the production rate.
  • the patent application JPH06158005 describes a device for the continuous production of rolled-up web cakes in which the device comprises means for continuously depositing a protective film on a sticky face of a web, according to the preamble of claim 1.
  • the objective of the present invention is to provide a device allowing a continuous production of rolls of wound adhesive tapes.
  • the invention relates to a device for the continuous production of rolled-up web cakes.
  • the device comprises means for continuously depositing a protective film on an adhesive face of a web.
  • the means for continuously depositing a protective film are connected to means for slitting the web and its protective film into several longitudinal strips.
  • the means for continuously depositing a protective film are connected to means for slitting the web and its protective film into several longitudinal strips.
  • the slitting means are connected to winding means configured to wind each strip in the form of a wafer.
  • the synergy of the continuous deposition means with the slitting means and the winding means allows the device according to the invention to produce in continuous band cakes rolled up.
  • the device according to the invention makes it possible to avoid production load losses linked to storage and recovery operations.
  • the slitting means allow the device according to the invention to continuously produce web cakes which have a desired width.
  • the means for continuously depositing a protective film may include an automatic protective film loader configured to allow continuous depositing of the protective film.
  • the automatic feeder can include a barrel on which can be positioned at least two pins of protective film.
  • the barrel can be configured to allow each spindle of protective film to be movable between an unwinding position in which the protective film of the spindle can be deposited on the web and a standby position.
  • the means for continuously depositing a protective film can comprise at least one backing roller on which the protective film can be pressed on the web to adhere to the web.
  • the device may include movement means comprising at least one motorized roller making it possible to move the web and each strip in the production device.
  • the displacement means can comprise at least one accumulation roller making it possible to store a length of the web in order to slow down its circulation in the device.
  • the winding means may comprise winding barrels superimposed with respect to one another, each winding barrel making it possible to wind a strip.
  • the superposition of the winding barrels makes it possible to wind the strips in staggered rows.
  • Each winding barrel can include several winding axes, the rotation of each winding barrel allows each winding axis to be movable between a winding position in which the winding axis allows winding a strip in the form of a wafer and a waiting position.
  • the device according to the invention may comprise means for recovering and changing the wafers of a winding shaft in the standby position.
  • the recovery and change means can belong to the same robotic unit thus making it possible to both unload and load the wafers.
  • the recovery and change means may include a movable clamp.
  • the retrieval and changing means may include a cross-cutting blade for transversely cutting the strips to complete the patties.
  • the slitting means may comprise at least one blade adapted to cut the web longitudinally.
  • The, or each, blade may be movable between a cutting position in which said at least one blade slits the web and a retracted position in which said at least one blade is spaced from the web.
  • the invention relates to a device 1 for the continuous production of wafers 23 of strips 22 wound from a web 21 of wide width, for example of the order of 2 to 3 meters.
  • the web 21 may, for example, be a web of polymeric material such as rubber, of paper or of non-woven material with one side covered with an adhesive.
  • the web 21 is manufactured continuously by a production line (not shown). The manufacture of the web 21 can for example be carried out by extrusion or by calendering.
  • the adhesive can, for example, be deposited by an electrostatic gun.
  • the web 21 thus manufactured opens directly, continuously, into the device 1.
  • the device 1 may comprise means for continuously depositing a protective film 3 on the sticky face of the web 21.
  • the web 21 can be naturally tacky.
  • the means for continuously depositing a protective film 3 comprise an automatic loader 4 of protective film 3. configured to allow the continuous deposition of the protective film 3.
  • the automatic feeder 4 comprises a barrel 41 on which are positioned two pins 42 of protective film 3.
  • the rotation of the barrel 41 allows each pin 42 to protective film 3 to be movable between an unwinding position in which the protective film 3 of the spindle 42 can be deposited on the web 21 and a standby position.
  • the means for continuously depositing a protective film 3 comprise a support roller 5 on which the protective film 3 can be pressed on the web 21 to adhere to the web 21.
  • the means for continuously depositing a protective film 3 are connected to means for slitting the web 21 and its protective film 3 into several longitudinal strips 22.
  • the slitting means comprise several blades 6 adapted to slit the web 21 longitudinally.
  • Each blade 6 is movable between a cutting position in which the blade 6 cuts the web 21 and a retracted position in which the blade 6 is spaced from the web 21.
  • each blade 6 is a circular knife.
  • each blade 6 is maneuvered by a jack 61 between its cutting position and its retracted position.
  • the slitting means are connected to winding means configured to wind each strip 22 in the form of a wafer 23.
  • the winding means comprise winding barrels 7 superimposed, each winding barrel 7 making it possible to wind a strip 22.
  • the superposition of the winding barrels 7 allows the device 1 to be compact and allow the bands 22 to be wound staggered.
  • Each winding barrel 7 can include several winding axes 71, the rotation of each winding barrel 7 allows each winding axis 71 to be movable between a winding position in which the winding axis 71 allows the winding of a strip in the form of a wafer 23 and a standby position.
  • the device 1 comprises means for recovering and changing the wafers 23 of a winding shaft 71 in the standby position.
  • the retrieval and changing means may comprise a transverse cutting arm 85 of the strip 22 and a movable gripper 8.
  • the movable clamp 8 moves on a rail 81.
  • the device 1 can comprise several movable clamps 8 fixed on the same rail 81.
  • the device 1 comprises displacement means enabling the web 21 and each strip 22 to be moved in translation.
  • the displacement means comprise several motorized rollers 9. It is specified that the winding axes 71 are also motorized. In addition, the support roller 5 can also be motorized.
  • the displacement means comprise a series of accumulation rollers 91 making it possible to keep the web 21 taut.
  • the accumulation rollers 91 are positioned between the means for continuously depositing the protective film 3. and the means of slitting.
  • the accumulation rollers 91 are positioned staggered, so that the web 21 slaloms between the accumulation rollers 91.
  • This technical arrangement advantageously makes it possible to keep a large length of the web 21 over a short distance.
  • this arrangement allows to adapt the speed of circulation of the web 21 to the speed of the means for continuously depositing the protective film 3 and of the slitting means in order to guarantee a substantially constant production speed.
  • This technical arrangement also makes it possible to carry out a change of production campaign without stopping the production machine upstream of the device 1.
  • the web 21 is manufactured continuously and opens into the device 1.
  • the motorized rollers 9 allow the web 21 to travel in the device 1.
  • the sticky side of the web 21 is covered with the protective film 3.
  • the protective film 3 is unwound continuously by the pins 42 of the automatic feeder 4.
  • the barrel 41 of the automatic feeder pivots to allow a second spindle 42 to unwind continuously.
  • An end portion of the protective film 3 of the first pin 42 is covered with adhesive, so that a leading portion of the protective film 3 of the second pin 42 can stick to the end portion of the protective film 3 of the second pin 42.
  • first spindle 42 to allow continuous and uninterrupted unwinding of the protective film 3.
  • the film 3 of the first spindle 42 can then be cut by a knife.
  • the web 21 and the protective film 3 are pressed one on the other on the support roller 5, which allows the adhesion of the protective film 3 to the web 21.
  • this route makes it possible to regulate the speed of advance of the web 21 to allow continuous production at a substantially constant speed and to generate storage of the web in the event of stopping slitting.
  • the web 21 is then slit by one, or more, blade 6.
  • the number of blades 6 used is determined by the width of strip 22 desired.
  • Each strip 22, resulting from the slitting of the web 21, is wound in a staggered manner on a winding axis 71, to form wafers 23.
  • a cutting arm 85 cuts transversely the strip 22 and the winding barrel 7 pivots to allow the change of the winding axis 71.
  • the winding axis 71 which supports the wafer 23 is placed in the standby position and the winding axis 71 which was in the standby position is placed in the winding position.
  • the movable gripper 8 can then recover the winding axis which supports the wafer 23.
  • the axis of winding 71 can be covered with adhesive to allow the attachment of one end of the strip 22 cut to the winding axis 71.
  • a robot 30 whose function is to unload the wafers 23 and to load the mandrels on the winding axes 71 free.
  • the wafers 23 can be unloaded on a mobile cart 31.
  • the invention provides a device for producing rolled-up web cakes, in which the synergy of the continuous deposition means with the slitting means and the winding means allows the device according to the invention to continuously produce cakes. of coiled bands.

Landscapes

  • Winding Of Webs (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Description

La présente invention concerne un dispositif de production de bandes enroulées.The present invention relates to a device for producing wound tapes.

Certains matériaux sont produits sous forme de nappes enroulées de grandes laizes qui sont ensuite refendues en galettes.Some materials are produced in the form of sheets rolled up in wide widths which are then split into patties.

La refente désigne l'action de couper des bandes selon un axe longitudinal.Slitting refers to the action of cutting strips along a longitudinal axis.

Des produits tels que des bandes collantes peuvent être fabriqués sous la forme de nappes de grande laize qui sont ensuite refendues. Ces produits peuvent être des nappes de gomme, des produits recouverts d'adhésif ou tout autre produit disposant d'une surface à protéger afin d'éviter que le produit enroulé ne se colle lui-même, ce qui le rendrait inutilisable. Le film protecteur peut être, par exemple, une feuille de papier ou de matériaux plastique. Actuellement, l'ajout du film protecteur est réalisé par une machine distincte de la machine de refente de la nappe. Cette machine a pour but d'enrouler des nappes de pleine largeur. Ces bobines sont ensuite re-déroulées pour réaliser la refente en petites largeurs. Le changement de machine provoque une baisse de productivité et ralentit la cadence de production.Products such as sticky tapes can be made in the form of wide webs which are then slit. These products can be sheets of gum, products covered with adhesive or any other product having a surface to be protected in order to prevent the rolled product from sticking itself, which would make it unusable. The protective film can be, for example, a sheet of paper or plastic material. Currently, the addition of the protective film is carried out by a machine separate from the web slitting machine. The purpose of this machine is to wind full width webs. These coils are then unwound to perform the slitting in small widths. Changing machines causes a drop in productivity and slows down the production rate.

Actuellement, la refente est effectuée après la production de la nappe enroulée, en utilisant une machine différente. Ainsi, dans le cas d'une production en continu, le temps de changement de machine cause une perte de productivité. En outre, si les nappes enroulées sont stockées avant d'être refendues, le coût du stockage génère une perte économique et le stockage peut altérer la qualité du produit. De plus, les nappes présentent une grande laize, ce qui les rend difficiles à manœuvrer et nécessite un outillage spécifique et onéreux.Currently, slitting is carried out after the production of the wound web, using a different machine. Thus, in the case of continuous production, the machine changeover time causes a loss of productivity. Furthermore, if the coiled webs are stored before being slit, the cost of storage generates an economic loss and storage can affect the quality of the product. In addition, the layers have a large width, which makes them difficult to maneuver and requires specific and expensive tools.

La demande de brevet JPH06158005 décrit un dispositif de production en continu de galettes de bandes enroulées dans lequel le dispositif comprend des moyens de dépôt en continu d'un film protecteur sur une face collante d'une nappe, suivant le préambule de la revendication 1.The patent application JPH06158005 describes a device for the continuous production of rolled-up web cakes in which the device comprises means for continuously depositing a protective film on a sticky face of a web, according to the preamble of claim 1.

La demande de brevet WO01/66665 décrit un procédé de fabrication d'un ruban auto-adhésif à partir de déchets reconvertis.The patent application WO01 / 66665 describes a method of making a self-adhesive tape from reconverted waste.

Dans ce contexte, la présente invention a pour objectif de fournir un dispositif permettant une production continue de galettes de bandes adhésives enroulées.In this context, the objective of the present invention is to provide a device allowing a continuous production of rolls of wound adhesive tapes.

Selon une définition générale, l'invention concerne un dispositif de production en continu de galettes de bandes enroulées. Le dispositif comprend des moyens de dépôt en continu d'un film protecteur sur une face collante d'une nappe. Les moyens de dépôt en continu d'un film protecteur sont reliés à des moyens de refente de la nappe et de son film protecteur en plusieurs bandes longitudinales. Les moyens de dépôt en continu d'un film protecteur sont reliés à des moyens de refente de la nappe et de son film protecteur en plusieurs bandes longitudinales. Les moyens de refente sont reliés à des moyens d'enroulage configurés pour enrouler chaque bande sous forme de galette.According to a general definition, the invention relates to a device for the continuous production of rolled-up web cakes. The device comprises means for continuously depositing a protective film on an adhesive face of a web. The means for continuously depositing a protective film are connected to means for slitting the web and its protective film into several longitudinal strips. The means for continuously depositing a protective film are connected to means for slitting the web and its protective film into several longitudinal strips. The slitting means are connected to winding means configured to wind each strip in the form of a wafer.

La synergie des moyens de dépôt en continu avec les moyens de refente et les moyens d'enroulage permet au dispositif selon l'invention de produire en continu des galettes de bandes enroulées. En d'autres termes, le dispositif selon l'invention permet d'éviter les pertes de charge de production liées aux opérations de stockage et de reprise. De plus, les moyens de refente permettent au dispositif selon l'invention de produire de manière continue des galettes de bandes qui présentent une largeur souhaitée.The synergy of the continuous deposition means with the slitting means and the winding means allows the device according to the invention to produce in continuous band cakes rolled up. In other words, the device according to the invention makes it possible to avoid production load losses linked to storage and recovery operations. In addition, the slitting means allow the device according to the invention to continuously produce web cakes which have a desired width.

Les moyens de dépôt en continu d'un film protecteur peuvent comprendre un chargeur automatique de film protecteur configuré pour permettre le dépôt en continu du film protecteur.The means for continuously depositing a protective film may include an automatic protective film loader configured to allow continuous depositing of the protective film.

Le chargeur automatique peut comprendre un barillet sur lequel peuvent être positionnés au moins deux broches de film protecteur. Le barillet peut être configuré pour permettre à chaque broche de film protecteur d'être mobile entre une position de déroulement dans laquelle le film protecteur de la broche peut être déposé sur la nappe et une position d'attente.The automatic feeder can include a barrel on which can be positioned at least two pins of protective film. The barrel can be configured to allow each spindle of protective film to be movable between an unwinding position in which the protective film of the spindle can be deposited on the web and a standby position.

Les moyens de dépôt en continu d'un film protecteur peuvent comprendre au moins un rouleau d'appui sur lequel le film protecteur peut être appuyé sur la nappe pour adhérer à la nappe.The means for continuously depositing a protective film can comprise at least one backing roller on which the protective film can be pressed on the web to adhere to the web.

Le dispositif peut comprendre des moyens de déplacement comprenant au moins un rouleau motorisé permettant de déplacer la nappe et chaque bande dans le dispositif de production.The device may include movement means comprising at least one motorized roller making it possible to move the web and each strip in the production device.

Les moyens de déplacement peuvent comprendre au moins un rouleau d'accumulation permettant de stocker une longueur de la nappe pour en ralentir la circulation dans le dispositif.The displacement means can comprise at least one accumulation roller making it possible to store a length of the web in order to slow down its circulation in the device.

Les moyens d'enroulage peuvent comprendre des barillets d'enroulage superposés les uns par rapport aux autres, chaque barillet d'enroulage permettant d'enrouler une bande. La superposition des barillets d'enroulage permet d'enrouler les bandes en quinconce.The winding means may comprise winding barrels superimposed with respect to one another, each winding barrel making it possible to wind a strip. The superposition of the winding barrels makes it possible to wind the strips in staggered rows.

Chaque barillet d'enroulage peut comprendre plusieurs axes d'enroulage, la rotation de chaque barillet d'enroulage permet à chaque axe d'enroulage d'être mobile entre une position d'enroulement dans laquelle l'axe d'enroulage permet l'enroulement d'une bande sous forme de galette et une position d'attente.Each winding barrel can include several winding axes, the rotation of each winding barrel allows each winding axis to be movable between a winding position in which the winding axis allows winding a strip in the form of a wafer and a waiting position.

Le dispositif selon l'invention peut comprendre des moyens de récupération et de changement des galettes d'un axe d'enroulage en position d'attente. Les moyens de récupération et de changement peuvent appartenir à une même unité robotique permettant ainsi de, à la fois, décharger et charger les galettes.The device according to the invention may comprise means for recovering and changing the wafers of a winding shaft in the standby position. The recovery and change means can belong to the same robotic unit thus making it possible to both unload and load the wafers.

Les moyens de récupération et de changement peuvent comprendre une pince mobile.The recovery and change means may include a movable clamp.

Les moyens de récupération et de changement peuvent comprendre une lame de coupe transversale permettant de couper transversalement les bandes pour terminer les galettes.The retrieval and changing means may include a cross-cutting blade for transversely cutting the strips to complete the patties.

Les moyens de refente peuvent comprendre au moins une lame adaptée pour découper longitudinalement la nappe.The slitting means may comprise at least one blade adapted to cut the web longitudinally.

La, ou chaque, lame peut être mobile entre une position de coupe dans laquelle ladite au moins une lame refend la nappe et une position de retrait dans laquelle ladite au moins une lame est écartée de la nappe.The, or each, blade may be movable between a cutting position in which said at least one blade slits the web and a retracted position in which said at least one blade is spaced from the web.

On comprendra mieux les buts, aspects et avantages de la présente invention d'après la description donnée ci-après d'un mode de réalisation de la présente invention, donné à titre d'exemple non limitatif, en se référant aux dessins annexés dans lesquels :

  • La figure 1 est une vue schématique en coupe de face d'un dispositif selon l'invention ;
  • La figure 2 est une vue en coupe de coté d'un chargeur automatique d'un dispositif selon l'invention ;
  • La figure 3 est une vue en coupe de coté de moyens de refente et des moyens d'enroulage d'un dispositif selon l'invention ;
  • La figure 4 est une vue en perspective de moyens d'enroulage d'un dispositif selon l'invention,
  • La figure 5 est une vue en perspective du dispositif selon une variante utilisant un robot.
The aims, aspects and advantages of the present invention will be better understood from the description given below of an embodiment of the present invention, given by way of non-limiting example, with reference to the accompanying drawings in which :
  • The figure 1 is a schematic front sectional view of a device according to the invention;
  • The figure 2 is a side sectional view of an automatic loader of a device according to the invention;
  • The figure 3 is a side sectional view of slitting means and winding means of a device according to the invention;
  • The figure 4 is a perspective view of winding means of a device according to the invention,
  • The figure 5 is a perspective view of the device according to a variant using a robot.

En référence à la figure 1, l'invention concerne un dispositif 1 de production en continu de galettes 23 de bandes 22 enroulées à partir d'une nappe 21 de grande laize, de l'ordre par exemple de 2 à 3 mètres. La nappe 21 peut, par exemple, être une nappe en matériau polymère tel que du caoutchouc, en papier ou en matériau non-tissé avec une face recouverte d'un adhésif. La nappe 21 est fabriquée en continue par une ligne de fabrication (non représentée). La fabrication de la nappe 21 peut par exemple être réalisée par extrusion ou par calandrage. L'adhésif peut, par exemple, être déposé par un pistolet électrostatique. La nappe 21 ainsi fabriquée débouche directement, en continu, dans le dispositif 1. Selon un mode de réalisation, le dispositif 1 peut comprendre des moyens de dépôt en continu d'un film protecteur 3 sur la face collante de la nappe 21. Selon un autre mode de réalisation, la nappe 21 peut être naturellement collante.With reference to the figure 1 , the invention relates to a device 1 for the continuous production of wafers 23 of strips 22 wound from a web 21 of wide width, for example of the order of 2 to 3 meters. The web 21 may, for example, be a web of polymeric material such as rubber, of paper or of non-woven material with one side covered with an adhesive. The web 21 is manufactured continuously by a production line (not shown). The manufacture of the web 21 can for example be carried out by extrusion or by calendering. The adhesive can, for example, be deposited by an electrostatic gun. The web 21 thus manufactured opens directly, continuously, into the device 1. According to one embodiment, the device 1 may comprise means for continuously depositing a protective film 3 on the sticky face of the web 21. According to a Another embodiment, the web 21 can be naturally tacky.

Selon le mode de réalisation ici présenté, les moyens de dépôt en continu d'un film protecteur 3 comprennent un chargeur automatique 4 de film protecteur 3 configuré pour permettre le dépôt en continu du film protecteur 3. Le chargeur automatique 4 comprend un barillet 41 sur lequel sont positionnés deux broches 42 de film protecteur 3. Tel que cela sera expliqué ultérieurement, la rotation du barillet 41 permet à chaque broche 42 de film protecteur 3 d'être mobile entre une position de déroulement dans laquelle le film protecteur 3 de la broche 42 peut être déposé sur la nappe 21 et une position d'attente. Selon le mode de réalisation ici présenté, les moyens de dépôt en continu d'un film protecteur 3 comprennent un rouleau d'appui 5 sur lequel le film protecteur 3 peut être appuyé sur la nappe 21 pour adhérer à la nappe 21.According to the embodiment presented here, the means for continuously depositing a protective film 3 comprise an automatic loader 4 of protective film 3. configured to allow the continuous deposition of the protective film 3. The automatic feeder 4 comprises a barrel 41 on which are positioned two pins 42 of protective film 3. As will be explained later, the rotation of the barrel 41 allows each pin 42 to protective film 3 to be movable between an unwinding position in which the protective film 3 of the spindle 42 can be deposited on the web 21 and a standby position. According to the embodiment presented here, the means for continuously depositing a protective film 3 comprise a support roller 5 on which the protective film 3 can be pressed on the web 21 to adhere to the web 21.

Les moyens de dépôt en continu d'un film protecteur 3 sont reliés à des moyens refente de la nappe 21 et de son film protecteur 3 en plusieurs bandes 22 longitudinales. Selon le mode de réalisation ici présenté, les moyens de refente comprennent plusieurs lames 6 adaptées pour fendre longitudinalement la nappe 21. Chaque lame 6 est mobile entre une position de coupe dans laquelle la lame 6 coupe la nappe 21 et une position de retrait dans laquelle la lame 6 est écartée de la nappe 21. Selon le mode de réalisation ici présenté, chaque lame 6 est un couteau circulaire. De plus, chaque lame 6 est manœuvrée par un vérin 61 entre sa position de coupe et sa position de retrait.The means for continuously depositing a protective film 3 are connected to means for slitting the web 21 and its protective film 3 into several longitudinal strips 22. According to the embodiment presented here, the slitting means comprise several blades 6 adapted to slit the web 21 longitudinally. Each blade 6 is movable between a cutting position in which the blade 6 cuts the web 21 and a retracted position in which the blade 6 is spaced from the web 21. According to the embodiment presented here, each blade 6 is a circular knife. In addition, each blade 6 is maneuvered by a jack 61 between its cutting position and its retracted position.

Les moyens de refente sont reliés à des moyens d'enroulage configurés pour enrouler chaque bande 22 sous forme de galette 23.The slitting means are connected to winding means configured to wind each strip 22 in the form of a wafer 23.

Selon le mode de réalisation ici présenté, les moyens d'enroulage comprennent des barillets d'enroulage 7 superposés, chaque barillet d'enroulage 7 permettant d'enrouler une bande 22. La superposition des barillets d'enroulage 7 permet au dispositif 1 d'être compact et permet d'enrouler des bandes 22 en quinconce.According to the embodiment presented here, the winding means comprise winding barrels 7 superimposed, each winding barrel 7 making it possible to wind a strip 22. The superposition of the winding barrels 7 allows the device 1 to be compact and allow the bands 22 to be wound staggered.

Chaque barillet d'enroulage 7 peut comprendre plusieurs axes d'enroulage 71, la rotation de chaque barillet d'enroulage 7 permet à chaque axe d'enroulage 71 d'être mobile entre une position d'enroulement dans laquelle l'axe d'enroulage 71 permet l'enroulement d'une bande sous forme de galette 23 et une position d'attente.Each winding barrel 7 can include several winding axes 71, the rotation of each winding barrel 7 allows each winding axis 71 to be movable between a winding position in which the winding axis 71 allows the winding of a strip in the form of a wafer 23 and a standby position.

Selon le mode de réalisation ici présenté, le dispositif 1 comprend des moyens de récupération et de changement des galettes 23 d'un axe d'enroulage 71 en position d'attente. Les moyens de récupération et de changement peuvent comprendre un bras de coupe 85 transversale de la bande 22 et une pince mobile 8. En référence à la figure 1, la pince mobile 8 se déplace sur un rail 81. Comme représenté sur la figure 1, le dispositif 1 peut comprendre plusieurs pinces mobiles 8 fixées sur le même rail 81.According to the embodiment presented here, the device 1 comprises means for recovering and changing the wafers 23 of a winding shaft 71 in the standby position. The retrieval and changing means may comprise a transverse cutting arm 85 of the strip 22 and a movable gripper 8. With reference to figure 1 , the movable clamp 8 moves on a rail 81. As represented on the figure 1 , the device 1 can comprise several movable clamps 8 fixed on the same rail 81.

En outre, le dispositif 1 comprend des moyens de déplacement permettant de déplacer en translation la nappe 21 et chaque bande 22.In addition, the device 1 comprises displacement means enabling the web 21 and each strip 22 to be moved in translation.

Les moyens de déplacement comprennent plusieurs rouleaux 9 motorisés. Il est précisé que les axes d'enroulage 71 sont eux aussi motorisés. De plus, le rouleau d'appui 5 peut également être motorisé.The displacement means comprise several motorized rollers 9. It is specified that the winding axes 71 are also motorized. In addition, the support roller 5 can also be motorized.

En outre, les moyens de déplacement comprennent une série de rouleaux d'accumulation 91 permettant de maintenir tendue la nappe 21. Selon l'exemple ici présenté, les rouleaux d'accumulation 91 sont positionnés entre les moyens de dépôt en continu du film protecteur 3 et les moyens de refente. Les rouleaux d'accumulation 91 sont positionnés en quinconce, de sorte que la nappe 21 slalome entre les rouleaux d'accumulation 91. Cette disposition technique permet avantageusement de conserver sur une courte distance une importante longueur de nappe 21. De plus, cette disposition permet d'adapter la vitesse de circulation de la nappe 21 à la vitesse des moyens de dépôt en continu du film protecteur 3 et des moyens de refente pour garantir une vitesse de production sensiblement constante. Cette disposition technique permet aussi de d'effectuer un changement de campagne de production sans arrêter la machine de production en amont du dispositif 1.In addition, the displacement means comprise a series of accumulation rollers 91 making it possible to keep the web 21 taut. According to the example presented here, the accumulation rollers 91 are positioned between the means for continuously depositing the protective film 3. and the means of slitting. The accumulation rollers 91 are positioned staggered, so that the web 21 slaloms between the accumulation rollers 91. This technical arrangement advantageously makes it possible to keep a large length of the web 21 over a short distance. In addition, this arrangement allows to adapt the speed of circulation of the web 21 to the speed of the means for continuously depositing the protective film 3 and of the slitting means in order to guarantee a substantially constant production speed. This technical arrangement also makes it possible to carry out a change of production campaign without stopping the production machine upstream of the device 1.

En condition d'utilisation, la nappe 21 est fabriquée en continue et débouche dans le dispositif 1. Les rouleaux motorisés 9 permettent le défilement de la nappe 21 dans le dispositif 1. A son entrée dans le dispositif 1, la face collante de la nappe 21 est recouverte du film protecteur 3. Pour recouvrir la face de la nappe 21, le film protecteur 3 est déroulé, en continu, par les broches 42 du chargeur automatique 4. Lorsqu'une broche 42 est vide, le barillet 41 du chargeur automatique pivote pour permettre à une deuxième broche 42 de se dérouler en continu. Une portion de fin du film protecteur 3 de la première broche 42 est couvert d'adhésif, de sorte qu'une portion de début du film protecteur 3 de la deuxième broche 42 puisse se coller à la portion de fin du film protecteur 3 de la première broche 42, pour permettre un déroulement continu et sans interruption du film protecteur 3. Selon une mode de réalisation, le film 3 de la première broche 42 peut alors être sectionné par un couteau.In use, the web 21 is manufactured continuously and opens into the device 1. The motorized rollers 9 allow the web 21 to travel in the device 1. When it enters the device 1, the sticky side of the web 21 is covered with the protective film 3. To cover the face of the web 21, the protective film 3 is unwound continuously by the pins 42 of the automatic feeder 4. When a pin 42 is empty, the barrel 41 of the automatic feeder pivots to allow a second spindle 42 to unwind continuously. An end portion of the protective film 3 of the first pin 42 is covered with adhesive, so that a leading portion of the protective film 3 of the second pin 42 can stick to the end portion of the protective film 3 of the second pin 42. first spindle 42, to allow continuous and uninterrupted unwinding of the protective film 3. According to one embodiment, the film 3 of the first spindle 42 can then be cut by a knife.

La nappe 21 et le film protecteur 3 sont appuyés l'un sur l'autre sur le rouleau d'appui 5, ce qui permet l'adhésion du film protecteur 3 à la nappe 21. La nappe 21, recouverte sur l'une de ses faces du film protecteur 3, slalome ensuite entre les rouleaux d'accumulation 91. Comme détaillé précédemment, ce parcours permet de réguler la vitesse d'avance de la nappe 21 pour permettre une production en continu à vitesse sensiblement constante et de générer un stockage de la nappe en cas d'arrêt de la refente. La nappe 21 est ensuite refendue par une, ou plusieurs, lame 6. Le nombre de lames 6 utilisées est déterminé par la largeur de bande 22 souhaitée. Chaque bande 22, issue de la refente de la nappe 21, est enroulée en quinconce sur un axe d'enroulage 71, pour former des galettes 23. Lorsqu'une galette 23 est terminée, c'est-à-dire qu'elle contient une longueur de bande 22 désirée, un bras de coupe 85 tranche transversalement la bande 22 et le barillet d'enroulage 7 pivote pour permettre le changement de l'axe d'enroulage 71. L'axe d'enroulage 71 qui supporte la galette 23 est placé en position d'attente et l'axe d'enroulage 71 qui était en position d'attente est placé en position d'enroulage. La pince mobile 8 peut ensuite récupérer l'axe d'enroulage qui supporte la galette 23. Pour permettre à la bande 22 de s'enrouler sur l'axe d'enroulage 71 qui était en position d'attente, l'axe d'enroulage 71 peut être recouvert d'adhésif pour permettre la fixation d'une extrémité de la bande 22 tranchée sur l'axe d'enroulage 71.The web 21 and the protective film 3 are pressed one on the other on the support roller 5, which allows the adhesion of the protective film 3 to the web 21. The web 21, covered on one of its sides of the protective film 3, then slalom between the accumulation rollers 91. As detailed previously, this route makes it possible to regulate the speed of advance of the web 21 to allow continuous production at a substantially constant speed and to generate storage of the web in the event of stopping slitting. The web 21 is then slit by one, or more, blade 6. The number of blades 6 used is determined by the width of strip 22 desired. Each strip 22, resulting from the slitting of the web 21, is wound in a staggered manner on a winding axis 71, to form wafers 23. When a wafer 23 is finished, that is to say it contains a desired length of strip 22, a cutting arm 85 cuts transversely the strip 22 and the winding barrel 7 pivots to allow the change of the winding axis 71. The winding axis 71 which supports the wafer 23 is placed in the standby position and the winding axis 71 which was in the standby position is placed in the winding position. The movable gripper 8 can then recover the winding axis which supports the wafer 23. To allow the strip 22 to wind up on the winding axis 71 which was in the standby position, the axis of winding 71 can be covered with adhesive to allow the attachment of one end of the strip 22 cut to the winding axis 71.

Comme on peut le voir sur la figure 5, il peut être prévu un robot 30 dont la fonction est de décharger les galettes 23 et de charger des mandrins sur les axes d'enroulage 71 libres. Les galettes 23 peuvent être déchargées sur un chariot mobile 31.As can be seen on the figure 5 , there can be provided a robot 30 whose function is to unload the wafers 23 and to load the mandrels on the winding axes 71 free. The wafers 23 can be unloaded on a mobile cart 31.

Ainsi, l'invention propose un dispositif de production de galettes de bandes enroulées, dans lequel la synergie des moyens de dépôt en continu avec les moyens de refente et les moyens d'enroulage permet au dispositif selon l'invention de produire en continu des galettes de bandes enroulées.Thus, the invention provides a device for producing rolled-up web cakes, in which the synergy of the continuous deposition means with the slitting means and the winding means allows the device according to the invention to continuously produce cakes. of coiled bands.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit ci-dessus, ce mode de réalisation n'ayant été donné qu'à titre d'exemple. Des modifications restent possibles, dans la limite de la protection telle que définie par les présentes revendications.Of course, the invention is in no way limited to the embodiment described above, this embodiment having been given only by way of example. Modifications remain possible, within the limits of the protection as defined by the present claims.

Claims (12)

  1. A device (1) for continuous producing coils (23) of wound strips (22), comprising means for continuously depositing a protective film (3) on a sticky face of a web (21), characterized in that the means for continuously depositing a protective film (3) are connected to means for slitting the web (21) and its protective film (3) into several longitudinal strips (22), the slitting means being connected to winding means configured to wind each strip (22) in the form of a coil (23), the means for continuously depositing a protective film (3) comprising an automatic loader (4) of protective film (3)) configured to allow the continuous deposition of the protective film (3).
  2. The device (1) according to claim 1, characterized in that the automatic loader (4) comprises a turret (41) on which are positioned at least two spindles (42) of the protective film (3), the turret (41) is configured to allow each spindle (42) of the protective film (3) to be movable between an unwinding position in which the protective film (3) of the spindle (42) can be deposited on the web (21) and a standby position.
  3. The device (1) according to any of claims 1 or 2, characterized in that the means for continuously depositing a protective film (3) comprise at least one bearing roller (5) on which the protective film (3) is bearing on the web (21) to adhere to the web (21).
  4. The device (1) according to any one of claims 1 to 3, characterized in that it comprises displacement means comprising at least one motorized roller (9) allowing to displace the web (21) and each strip (22) in the production device (1).
  5. The device (1) according to claim 4, characterized in that the displacement means comprise at least one accumulation roller (91) allowing to store a length of the web (21).
  6. The device (1) according to any one of claims 1 to 5, characterized in that the winding means comprise winding turrets (7) superimposed with respect to each other, each winding turret (7) allowing to wind a strip (22).
  7. The device (1) according to claim 6, characterized in that each winding turret (7) comprises several winding axes (71), the rotation of each winding turret (7) allows each winding axis (71) to be movable between a winding position in which the winding axis (71) allows the winding of a strip (22) in the form of a coil (23) and a standby position.
  8. The device (1) according to claim 7, characterized in that it comprises means for recovering and changing the coils (23) of a winding axis in the standby position.
  9. The device (1) according to claim 8, characterized in that the recovery and change means comprise a movable clamp (8).
  10. The device (1) according to claim 9, characterized in that the recovery and change means comprise a robot (30).
  11. The device (1) according to any one of claims 1 to 10, characterized in that the slitting means comprise at least one blade (6) adapted to longitudinally cut the web (21).
  12. The device (1) according to claim 11, characterized in that the or each blade (6) is movable between a cutting position in which said at least one blade (6) slits the web (21) and a withdrawal position in which said at least one blade (6) is spaced from the web (21).
EP17832543.7A 2016-12-30 2017-12-29 Device for continuous production of coils of wound strips Active EP3562772B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20210340A RS61735B1 (en) 2016-12-30 2017-12-29 Device for continuous production of coils of wound strips

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1663551A FR3061488B1 (en) 2016-12-30 2016-12-30 DEVICE FOR THE CONTINUOUS PRODUCTION OF WALLETS OF WOUND BANDS
PCT/FR2017/053874 WO2018122542A1 (en) 2016-12-30 2017-12-29 Device for continuous production of coils of wound strips

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EP3562772A1 EP3562772A1 (en) 2019-11-06
EP3562772B1 true EP3562772B1 (en) 2021-01-06

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EP (1) EP3562772B1 (en)
FR (1) FR3061488B1 (en)
RS (1) RS61735B1 (en)
WO (1) WO2018122542A1 (en)

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FR3113382B1 (en) 2020-08-13 2022-07-15 Michelin & Cie Management of Rolling and Cutting of Rubber Product Ply in a Tire Manufacturing Facility
CN113830598B (en) * 2021-08-10 2023-11-03 徐州冠速电子科技有限公司 Four-wire bracing machine for Christmas tree preparation

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Publication number Priority date Publication date Assignee Title
US3236469A (en) * 1960-04-20 1966-02-22 Johnson & Johnson Tape winding device and method
IT1189496B (en) * 1986-05-09 1988-02-04 Meccanica Comasca Srl REWINDER CUTTING MACHINE FOR ADHESIVE AND NON-ADHESIVE TAPES HAVING AT LEAST FOUR DISTINCT REWINDING GROUPS
JPH06158005A (en) * 1992-11-18 1994-06-07 Sekisui Chem Co Ltd Production of pressure-sensitive tape
GB0005283D0 (en) * 2000-03-07 2000-04-26 Pago Ltd Utilisation of waste

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EP3562772A1 (en) 2019-11-06
RS61735B1 (en) 2021-05-31
WO2018122542A1 (en) 2018-07-05
FR3061488B1 (en) 2019-05-17
FR3061488A1 (en) 2018-07-06

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