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WO2010066916A1 - Method and system for obtaining paper strips and/or tapes - Google Patents

Method and system for obtaining paper strips and/or tapes Download PDF

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Publication number
WO2010066916A1
WO2010066916A1 PCT/ES2008/000771 ES2008000771W WO2010066916A1 WO 2010066916 A1 WO2010066916 A1 WO 2010066916A1 ES 2008000771 W ES2008000771 W ES 2008000771W WO 2010066916 A1 WO2010066916 A1 WO 2010066916A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper
strips
strip
blades
independent
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.)
Ceased
Application number
PCT/ES2008/000771
Other languages
Spanish (es)
French (fr)
Inventor
Sebastià ROVIRA TENAS
Jordi ROVIRA VILARÓ
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.)
Mimcord SA
Original Assignee
Mimcord SA
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 Mimcord SA filed Critical Mimcord SA
Priority to EP08878687A priority Critical patent/EP2357148A4/en
Priority to PCT/ES2008/000771 priority patent/WO2010066916A1/en
Publication of WO2010066916A1 publication Critical patent/WO2010066916A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B65H18/106—Mechanisms in which power is applied to web-roll spindle for several juxtaposed strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B65H2511/411—Identification of colour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras

Definitions

  • the present invention relates to a method and system for obtaining strips and / or paper tapes, especially adapted for obtaining multiple strips of paper of reduced width from a single band of large paper.
  • these paper strips are obtained industrially from a coil of a certain width that is unwound, and then by a cutting area provided with blades mounted on a knife holder, and arranged in parallel in the direction of advance of the web of paper.
  • the paper strip is divided by the blades, in continuous, into a plurality of narrow strips, which then pass to winding areas, where they are tensioned and rolled together.
  • This tensioning is carried out by means of one or several transversal tension rollers, which are common for all the strips. Likewise, the winding is carried out on independent coils, arranged on the single axis of a common winder.
  • the receiving shaft or drum is made up of a single motor and a common tensioner for all, which causes the more tense paper strips to break, sooner or later, as these strips or tapes are much more delicate than the one original band, of substantially greater width, than He was able to better withstand the efforts.
  • Clutch systems are also known that do not allow large quantities of strips or tapes to be manufactured, a maximum of about 800 meters in length, and are considerably more expensive than conventional machines.
  • the method and the system for obtaining strips and / or paper tapes, object of this invention presents some technical peculiarities intended to allow the obtaining of strips and / or paper tapes of better quality and that the manufacturing process is more continuous and less susceptible to stops.
  • the procedure for obtaining paper strips comprises the independent tensioning of each paper strip at the exit of the cutting area and the individual winding of each paper strip in a reel with an individual speed traction system and power adjusted to a voltage bearable by said strip of paper.
  • the system for carrying out said procedure comprises in the knife holder the blades held and spaced on a strip by a plurality of intermediate removable calibrated separators, interleaved in an alternative way, to define the width of the strip of paper cut between two blades by the thickness calibration of said separator.
  • the tensioning means of the paper strips are defined by a plurality of independent tensioners for the respective paper strips. This allows better control of the effort to which each paper strip is subjected individually.
  • the winding means of the paper strips are configured by at least two independent reel shafts, with their corresponding motors and tension and regulation means, adjusting the speed and turning power of each winding reel of the paper strip to the ideal conditions that avoid its breakage
  • the two or more coil axes either by alternative winding of the consecutive strips or tapes or by means of the individual winding in coils, it is possible to avoid the friction and crossing of the paper strips or tapes during their winding, thus reducing the risk of breakage of said strips or tapes.
  • Each separator is configured prismatically, and has two opposite main bases separated by a certain distance that is responsible for its calibration. Thus, if the strips to be obtained must be five millimeters thick, separators calibrated to five millimeters are used between the special cutting blades for paper. If it is necessary that the strips to be made are of a different width, the separators previously used in the knife holder are easily disassembled and said knife holder is reassembled with other suitable separators.
  • the blades used are preferably circular and have a cutting edge in all their periphery, which provides less wear, since this is uniform, which represents a notable increase in the time of use of the blades and a reduction in the workforce destined to your periodic change.
  • the different reels and motors of the different winding means are arranged transversely offset on a support, such as a cabinet, for their independent housing and access.
  • a support such as a cabinet
  • each motor and coil group makes it possible to make larger reels of narrower paper strips.
  • the system comprises a treatment station of the paper strip disposed in an anterior or posterior zone with respect to the cutting zone. In this paper treatment substances are added that provide coloring or improvement of the technical and mechanical characteristics of the paper strips or ribbons.
  • Figure 1 shows a schematic elevation view of the invention
  • Figure 2 shows a schematic plan view of the invention.
  • Figure 3 shows a perspective detail of an example of ralization of the knife holder.
  • Figures 4 and 5 show plan and elevation views of an alternative embodiment of the winding means formed in two axes.
  • the system is constituted by a rewinder (1) of a reel (2) that supplies a paper band (21) to unwinder rollers before the passage of said paper band through a station of treatment (3) where substances of improvement of the technical and mechanical characteristics of the paper are added, then finding a cutting area (4) of the different strips of paper (22).
  • each separator (43) defining with its thickness the corresponding space between each pair of adjacent blades (44) and therefore the width of the paper strip (22) cut.
  • This calibrated separator (43) has a prismatic configuration with two opposite main bases (43a) separated by a certain distance, these bases (43a) being those intended to establish direct contact with the adjacent blades (44).
  • tensioning means (5) configured by a transverse bank of independent tensioners (51) for each paper strip (22) and supplying said paper strips (22) to means winding (6) independent.
  • the winding means (6) are constituted by a plurality of winding coils (61) of the paper strip (22), these coils (61) being associated with an exclusive motor (62) of independent traction and provided with regulation by tension sensors (not shown) of the paper strip (22) to prevent its breakage.
  • the coil assemblies (61) and motors (62) are arranged transversely offset on a support (63) for their loose housing and independent access.
  • the blades (44) are preferably circular in shape, with the perimeter cutting edge, which allow longer use and less maintenance.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Abstract

Method which comprises the passage of a paper band (21) through a cutting zone (4), forming the paper strips (22) that are subsequently wound via an independent tensioning device at the exit from the cutting zone (4) and the individual winding of each paper strip (22) on a reel (61) with an individual traction system with a speed and power adjusted to a tension that can be withstood by said paper strip (22). In the cutting zone (4), the system has a blade carrier (41) with blades (44) secured to and spaced over a rule (42) by a plurality of calibrated spacers (43) which are alternately intercalated. The tensioning means (5) are defined by a plurality of independent tensioners (51) and the winding means (6) for the paper strips (22) comprise independent motors (62) for each reel (61).

Description

DESCRIPCIÓN DESCRIPTION

PROCEDIMIENTO Y SISTEMA PARA LA OBTENCIÓN DE TIRAS Y/O CINTAS DE PAPEL.PROCEDURE AND SYSTEM FOR OBTAINING STRIPS AND / OR PAPER RIBBONS.

Objeto de Ia invenciónObject of the invention

La presente invención se refiere a un procedimiento y sistema para Ia obtención de tiras y/o cintas de papel, especialmente adaptado para Ia obtención de múltiples tiras de papel de ancho reducido a partir de una única banda de papel de gran ancho.The present invention relates to a method and system for obtaining strips and / or paper tapes, especially adapted for obtaining multiple strips of paper of reduced width from a single band of large paper.

Antecedentes de Ia invención.Background of the invention.

Actualmente se utilizan en diversas aplicaciones hilos de papel que son obtenidos mediante Ia torsión de una o más tiras o cintas de papel. En algunos casos se busca que estos hilos de papel sean muy finos, siendo preciso utilizar tiras de papel Io más estrechas y delgadas posibles.Currently, various threads of paper are used in various applications, which are obtained by twisting one or more strips or paper tapes. In some cases, these paper threads are intended to be very thin, being as narrow and thin as possible as possible.

En Ia actualidad estas tiras de papel se obtienen industrialmente a partir de una bobina de cierto ancho que se desbobina, y a continuación por una zona de corte provista de unas cuchillas montadas en un portacuchillas, y dispuestas paralelamente en Ia dirección de avance de Ia banda de papel.At present, these paper strips are obtained industrially from a coil of a certain width that is unwound, and then by a cutting area provided with blades mounted on a knife holder, and arranged in parallel in the direction of advance of the web of paper.

En dicha zona de corte Ia banda de papel es dividida por las cuchillas, en continuo, en una pluralidad de tiras estrechas, las cuales pasan posteriormente a unas zonas de bobinado, donde son tensionadas y enrolladas conjuntamente.In said cutting area the paper strip is divided by the blades, in continuous, into a plurality of narrow strips, which then pass to winding areas, where they are tensioned and rolled together.

Este tensado se realiza mediante uno o varios rodillos tensores transversales, que son comunes para todas las tiras. Igualmente, el bobinado se realiza sobre unas bobinas independientes, dispuestas sobre el eje único de un bobinador común.This tensioning is carried out by means of one or several transversal tension rollers, which are common for all the strips. Likewise, the winding is carried out on independent coils, arranged on the single axis of a common winder.

De esta forma todas las tiras de papel cortadas son tensadas y enrolladas de forma igual, pero el corte no es tan homogéneo en todo el ancho de Ia banda, Io que produce que las tiras de papel no se produzcan con las mismas tensiones de tracción en todo Io ancho de Ia banda. Sin embargo, el eje o tambor de recepción está conformado por un solo motor y un tensor común para todas, Io que produce que las tiras de papel más tensas acaben rompiéndose, tarde o temprano, al ser dichas tiras o cintas mucho más delicadas que Ia banda original, de ancho sensiblemente mayor, que era capaz de soportar mejor los esfuerzos. Esto obliga a parar Ia máquina de corte y a proceder a empalmar Ia tira rota, mediante un sistema de soldadura, un elemento adhesivo u otro elemento de unión. Estos empalmes o soldaduras dan problemas posteriormente en el proceso de torcido de Ia tira de papel y Ia obtención del hilo de papel.In this way all the strips of paper cut are tensioned and rolled in the same way, but the cut is not as homogeneous in the entire width of the band, which produces that the paper strips do not occur with the same tensile stresses in the entire width of the band. However, the receiving shaft or drum is made up of a single motor and a common tensioner for all, which causes the more tense paper strips to break, sooner or later, as these strips or tapes are much more delicate than the one original band, of substantially greater width, than He was able to better withstand the efforts. This forces the cutting machine to stop and proceed to splice the broken strip, by means of a welding system, an adhesive element or another connecting element. These joints or welds give problems later in the process of twisting the paper strip and obtaining the paper thread.

También son conocidos sistemas embragables que no permiten manufacturar grandes cantidades de tiras o cintas, como máximo de unos 800 metros de longitud, y son considerablemente más caras que las máquinas convencionales.Clutch systems are also known that do not allow large quantities of strips or tapes to be manufactured, a maximum of about 800 meters in length, and are considerably more expensive than conventional machines.

Además esta situación no es ventajosa, ya que detiene el proceso de corte de forma constante y al volver a arrancar es posible que el papel se deteriore, causando numerosos defectos.In addition, this situation is not advantageous, since it stops the cutting process constantly and when restarting it is possible that the paper deteriorates, causing numerous defects.

Descripción de la invenciónDescription of the invention

El procedimiento y el sistema para Ia obtención de tiras y/o cintas de papel, objeto de esta invención, presenta unas particularidades técnicas destinadas a permitir Ia obtención de tiras y/o cintas de papel de mejor calidad y que el proceso de elaboración sea más continuo y menos susceptible a paradas.The method and the system for obtaining strips and / or paper tapes, object of this invention, presents some technical peculiarities intended to allow the obtaining of strips and / or paper tapes of better quality and that the manufacturing process is more continuous and less susceptible to stops.

Así, el procedimiento para Ia obtención de tiras de papel, comprende el tensionado independiente de cada tira de papel a Ia salida de Ia zona de corte y el bobinado individual de cada tira de papel en una bobina con un sistema de tracción individual de velocidad y potencia ajustada a una tensión soportable por dicha tira de papel. Esto permite evitar que algunas tiras lleguen a alcanzar tensiones elevadas por el giro uniforme de las bobinas del sistema tradicional, siendo dichas tensiones las responsables de que se produzca su rotura. El sistema para llevar a cabo dicho procedimiento comprende en el portacuchillas las cuchillas sujetas y espaciadas en una regleta por una pluralidad de separadores calibrados extraíbles intermedios, intercalados de forma alternativa, para definir el ancho de Ia tira de papel cortada entre dos cuchillas por el espesor calibrado de dicho separador. A continuación, los medios de tensionado de las tiras de papel, se encuentran definidos por una pluralidad de tensores independientes para las respectivas tiras de papel. Esto permite un mejor control del esfuerzo al que se somete cada tira de papel de forma individual.Thus, the procedure for obtaining paper strips comprises the independent tensioning of each paper strip at the exit of the cutting area and the individual winding of each paper strip in a reel with an individual speed traction system and power adjusted to a voltage bearable by said strip of paper. This allows to avoid that some strips reach high tensions by the uniform rotation of the coils of the traditional system, said tensions being responsible for their breakage. The system for carrying out said procedure comprises in the knife holder the blades held and spaced on a strip by a plurality of intermediate removable calibrated separators, interleaved in an alternative way, to define the width of the strip of paper cut between two blades by the thickness calibration of said separator. Next, the tensioning means of the paper strips are defined by a plurality of independent tensioners for the respective paper strips. This allows better control of the effort to which each paper strip is subjected individually.

Y para conseguir que dicho control sea completo, los medios de bobinado de las tiras de papel están configurados por al menos dos ejes de bobinas independientes, con sus correspondientes motores y medios de tensión y regulación, ajustando Ia velocidad y potencia de giro de cada bobina de enrollado de Ia tira de papel a las condiciones idóneas que evitan su rotura. Con los dos o más ejes de bobinas, ya sea por bobinado alternativo de las tiras o cintas consecutivas o mediante el bobinado individual en bobinas se consigue evitar el rozamiento y cruce de las tiras o cintas de papel durante su bobinando, reduciendo así el riesgo de rotura de dichas tiras o cintas.And to ensure that said control is complete, the winding means of the paper strips are configured by at least two independent reel shafts, with their corresponding motors and tension and regulation means, adjusting the speed and turning power of each winding reel of the paper strip to the ideal conditions that avoid its breakage With the two or more coil axes, either by alternative winding of the consecutive strips or tapes or by means of the individual winding in coils, it is possible to avoid the friction and crossing of the paper strips or tapes during their winding, thus reducing the risk of breakage of said strips or tapes.

Cada separador está configurado de forma prismática, y presenta dos bases principales opuestas separadas por una distancia determinada que es Ia responsable de su calibración. Así, si las tiras a obtener deben ser de cinco milímetros de espesor, se utilizan separadores calibrados a cinco milímetros entre las cuchillas de corte especial para papel. Si es necesario que las tiras a elaborar sean de un ancho diferente, se desmontan fácilmente los separadores utilizados anteriormente en el portacuchillas y se vuelve a montar dicho portacuchillas con otros separadores adecuados.Each separator is configured prismatically, and has two opposite main bases separated by a certain distance that is responsible for its calibration. Thus, if the strips to be obtained must be five millimeters thick, separators calibrated to five millimeters are used between the special cutting blades for paper. If it is necessary that the strips to be made are of a different width, the separators previously used in the knife holder are easily disassembled and said knife holder is reassembled with other suitable separators.

Las cuchillas utilizadas son preferentemente circulares y presentan un filo cortante en toda su periferia, Io que proporciona un menor desgaste, al ser éste uniforme, Io que representa un incremento notable del tiempo de uso de las cuchillas y una reducción de Ia mano de obra destinada a su cambio periódico. En otra realización, para conseguir el correcto enrollado en las bobinas independientes de las tiras de papel, las distintas bobinas y motores de los distintos medios de bobinado están dispuestos desfasados transversalmente sobre un soporte, tal como un armario, para su alojamiento y acceso independiente. Así cada grupo de motor y bobina permiten hacer bobinas más grandes de tiras de papel más estrechas. En una realización de Ia invención el sistema comprende una estación de tratamiento de Ia banda de papel dispuesta en una zona anterior o posterior respecto a Ia zona de corte. En este tratamiento del papel se adicionan sustancias que proporcionan coloreado o mejora de las características técnicas y mecánicas de las tiras o cintas de papel.The blades used are preferably circular and have a cutting edge in all their periphery, which provides less wear, since this is uniform, which represents a notable increase in the time of use of the blades and a reduction in the workforce destined to your periodic change. In another embodiment, in order to achieve the correct winding in the independent reels of the paper strips, the different reels and motors of the different winding means are arranged transversely offset on a support, such as a cabinet, for their independent housing and access. Thus each motor and coil group makes it possible to make larger reels of narrower paper strips. In an embodiment of the invention, the system comprises a treatment station of the paper strip disposed in an anterior or posterior zone with respect to the cutting zone. In this paper treatment substances are added that provide coloring or improvement of the technical and mechanical characteristics of the paper strips or ribbons.

Descripción de las figuras.Description of the figures.

Para complementar Ia descripción que se está realizando y con objeto de facilitar Ia comprensión de las características de Ia invención, se acompaña a Ia presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado Io siguiente:To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative purposes and not limiting, the following has been represented:

La figura 1 muestra una vista en alzado esquematizado de Ia invenciónFigure 1 shows a schematic elevation view of the invention

La figura 2 muestra una vista en planta esquematizada de Ia invención.Figure 2 shows a schematic plan view of the invention.

La figura 3 muestra un detalle en perspectiva de un ejemplo de ralizacion del portacuchillas.Figure 3 shows a perspective detail of an example of ralization of the knife holder.

Las figuras 4 y 5 muestra unas vistas en planta y en alzado de una alternativa de realización de los medios de enrollado conformados en dos ejes.Figures 4 and 5 show plan and elevation views of an alternative embodiment of the winding means formed in two axes.

Realización preferente de Ia invenciónPreferred embodiment of the invention

Como se puede observar en las figuras referenciadas el sistema está constituido por un desbobinador (1) de una bobina (2) que suministra una banda de papel (21) a unos rodillos de desbobinado antes del paso de dicha banda de papel por una estación de tratamiento (3) donde se añaden sustancias de mejora de las características técnicas y mecánicas del papel, encontrándose a continuación una zona de corte (4) de las distintas tiras de papel (22).As can be seen in the referenced figures, the system is constituted by a rewinder (1) of a reel (2) that supplies a paper band (21) to unwinder rollers before the passage of said paper band through a station of treatment (3) where substances of improvement of the technical and mechanical characteristics of the paper are added, then finding a cutting area (4) of the different strips of paper (22).

En Ia zona de corte (4) se encuentra un portacuchillas (41) que comprende una regleta (42) sobre un eje basculante para Ia calibración del ataque a Ia banda de papel (21 ), encontrándose sobre dicha regleta (42) una pluralidad de separadores (43) calibrados y cuchillas (44) de corte especial para papel, en una disposición alternada, definiendo cada separador (43) con su grosor el espacio correspondiente entre cada pareja de cuchillas (44) adyacentes y por Io tanto el ancho de Ia tira de papel (22) cortada. Este separador (43) calibrado presenta una configuración prismática con dos bases (43a) principales opuestas separadas por una distancia determinada, siendo estas bases (43a) las destinadas a establecer contacto directo con las cuchillas (44) adyacentes.In the cutting area (4) there is a knife holder (41) comprising a strip (42) on a tilting axis for the calibration of the attack on the paper strip (21), a plurality of said strip (42) being found on said strip (42). calibrators (43) calibrated and blades (44) of special cut for paper, in an alternate arrangement, each separator (43) defining with its thickness the corresponding space between each pair of adjacent blades (44) and therefore the width of the paper strip (22) cut. This calibrated separator (43) has a prismatic configuration with two opposite main bases (43a) separated by a certain distance, these bases (43a) being those intended to establish direct contact with the adjacent blades (44).

Después de dicha zona de corte (4) se encuentran unos medios de tensionado (5) configurados por un banco transversal de tensores independientes (51) para cada tira de papel (22) y que suministran dichas tiras de papel (22) a unos medios de bobinado (6) independientes. Los medios de bobinado (6) están constituidos por una pluralidad de bobinas (61) de enrollado de Ia tira de papel (22), estando estas bobinas (61) asociadas a un motor (62) exclusivo de tracción independiente y dotado de regulación por sensores de tensión (no representados) de Ia tira de papel (22) para evitar su rotura. Los conjuntos de bobinas (61) y motores (62) están dispuestos desfasados transversalmente sobre un soporte (63) para su alojamiento holgado y acceso independiente. Las cuchillas (44) son preferentemente de forma circular, con el borde cortante perimetral, que permiten un uso más prolongado y un menor mantenimiento.After said cutting area (4) there are tensioning means (5) configured by a transverse bank of independent tensioners (51) for each paper strip (22) and supplying said paper strips (22) to means winding (6) independent. The winding means (6) are constituted by a plurality of winding coils (61) of the paper strip (22), these coils (61) being associated with an exclusive motor (62) of independent traction and provided with regulation by tension sensors (not shown) of the paper strip (22) to prevent its breakage. The coil assemblies (61) and motors (62) are arranged transversely offset on a support (63) for their loose housing and independent access. The blades (44) are preferably circular in shape, with the perimeter cutting edge, which allow longer use and less maintenance.

En las figuras 4 y 5 se observa como en una alternativa de realización las tiras de papel (22) se bobinan de forma alternativa sobre bobinas (61) en dos ejes (64) paralelos de forma alternada. Cada eje (64) presenta su propio motor (62) de movimiento y tensión.In figures 4 and 5 it is observed how in an alternative embodiment the paper strips (22) are wound alternately on reels (61) in two parallel shafts (64) alternately. Each axis (64) has its own motor (62) of movement and tension.

Una vez descrita suficientemente Ia naturaleza de Ia invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de Ia invención que se reivindican a continuación. Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not imply an alteration of the essential characteristics of the invention that are claimed below.

Claims

REIVINDICACIONES 1.- Procedimiento para Ia obtención de tiras y/o cintas de papel, del tipo de los que comprenden el desbobinado de una banda de papel (21) de una bobina (2), el paso por una zona de corte (4) mediante cuchillas (44) dispuestas transversales a dicha banda de papel (21) configurando las tiras de papel (22) y que son bobinadas posteriormente, caracterizado porque comprende el tensionado independiente de cada tira de papel (22) a Ia salida de Ia zona de corte (4) y el bobinado individual de cada tira de papel (22) en una bobina (61 ) con un sistema de tracción, de velocidad y potencia ajustada a una tensión soportable por dicha tira de papel (22).1.- Procedure for obtaining strips and / or paper tapes, of the type that comprise the unwinding of a paper strip (21) of a reel (2), the passage through a cutting area (4) by blades (44) arranged transverse to said paper strip (21) configuring the paper strips (22) and which are subsequently wound, characterized in that it comprises the independent tensioning of each paper strip (22) at the exit of the cutting area (4) and the individual winding of each paper strip (22) in a reel (61) with a traction, speed and power system adjusted to a tension bearable by said paper strip (22). 2.- Sistema para Ia obtención de tiras y/o cintas de papel, del tipo de las que comprenden un desbobinador (1 ) de Ia bobina (2) de suministro de una banda de papel (21 ) de cierto ancho, a través de unos rodillos de suministro de Ia banda de papel (21 ), una zona de corte (4) con un portacuchillas (41 ) que presenta una pluralidad de cuchillas (44) de corte de Ia banda de papel (21) en tiras de papel (22) estrechas, unos medios de tensionado (5) y unos medios de bobinado (6) de las tiras de papel (22) en bobinas (61 ), caracterizado porque el portacuchillas (41) presenta las cuchillas (44) sujetas y espaciadas en una regleta (42) por una pluralidad de separadores (43) calibrados extraíbles intermedios, intercalados de forma alternativa, para definir el ancho de Ia tira de papel (22) cortada entre dos cuchillas (44) por el espesor calibrado de dicho separador (43), encontrándose a continuación los medios de tensionado (5) de las tiras de papel (22) definidos por una pluralidad de tensores independientes (51 ) para las respectivas tiras de papel (22), y los medios de bobinado (6) de las tiras de papel (22) configurados por al menos dos ejes (64) de bobinas (61) independientes con sus correspondientes motores (62) y medios de tensión y regulación, ajustando Ia velocidad y potencia de giro de las bobinas (61) de enrollado de Ia tira o tiras de papel (22) a las condiciones idóneas que evitan su rotura.2.- System for obtaining strips and / or paper tapes, of the type that comprise a rewinder (1) of the reel (2) for supplying a paper band (21) of a certain width, through supply rollers of the paper web (21), a cutting area (4) with a knife holder (41) that has a plurality of cutting blades (44) of the paper web (21) in paper strips ( 22) narrow, tensioning means (5) and winding means (6) of the paper strips (22) in reels (61), characterized in that the knife holder (41) has the blades (44) held and spaced in a strip (42) by a plurality of intermediate removable calibrated separators (43), interleaved alternately, to define the width of the paper strip (22) cut between two blades (44) by the calibrated thickness of said separator (43 ), then the tensioning means (5) of the paper strips (22) defined by a plurality of independent tensioners (51) for the respective paper strips (22), and the winding means (6) of the paper strips (22) configured by at least two axes (64) of independent coils (61) with their corresponding motors (62) and tension and regulation means, adjusting the speed and rotational power of the coils (61) of winding the paper strip or strips (22) to the ideal conditions that prevent its breakage. 3.- Sistema, según Ia reivindicación 2, caracterizado porque cada separador3.- System, according to claim 2, characterized in that each separator (43) está configurado de forma prismática y presenta dos bases (43a) principales opuestas separadas por una distancia determinada.(43) is configured prismatically and has two opposite main bases (43a) separated by a certain distance. A - Sistema, según Ia reivindicación 2, caracterizado porque las cuchillas (44) son circulares de filo circundante.A - System, according to claim 2, characterized in that the blades (44) They are circular of surrounding edge. 5.- Sistema, según Ia reivindicación 2, caracterizado porque las bobinas5. System according to claim 2, characterized in that the coils (61) y motores (62) de los distintos medios de bobinado (6) están dispuestos desfasados transversalmente sobre un soporte para su alojamiento y acceso independiente.(61) and motors (62) of the different winding means (6) are arranged transversely offset on a support for their housing and independent access. 6.- Sistema, según Ia reivindicación 2, caracterizado porque comprende una estación de tratamiento (3) de Ia banda de papel (21 ) dispuesta en una zona anterior. o posterior respecto a Ia zona de corte (4). 6. System, according to claim 2, characterized in that it comprises a treatment station (3) of the paper strip (21) arranged in an anterior area. or later with respect to the cutting area (4).
PCT/ES2008/000771 2008-12-10 2008-12-10 Method and system for obtaining paper strips and/or tapes Ceased WO2010066916A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08878687A EP2357148A4 (en) 2008-12-10 2008-12-10 Method and system for obtaining paper strips and/or tapes
PCT/ES2008/000771 WO2010066916A1 (en) 2008-12-10 2008-12-10 Method and system for obtaining paper strips and/or tapes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2008/000771 WO2010066916A1 (en) 2008-12-10 2008-12-10 Method and system for obtaining paper strips and/or tapes

Publications (1)

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WO2010066916A1 true WO2010066916A1 (en) 2010-06-17

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EP2357148A4 (en) 2012-09-05
EP2357148A1 (en) 2011-08-17

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