ES2632063T3 - Continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll - Google Patents

Continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll Download PDF

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Publication number
ES2632063T3
ES2632063T3 ES13820976.2T ES13820976T ES2632063T3 ES 2632063 T3 ES2632063 T3 ES 2632063T3 ES 13820976 T ES13820976 T ES 13820976T ES 2632063 T3 ES2632063 T3 ES 2632063T3
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Prior art keywords
cutting
roll
sheet
assembly
cutting device
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Spanish (es)
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Giorgio Ghelfi
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GHELFI 1905 Srl
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GHELFI 1905 Srl
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/085Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/60Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable carriage
    • B26D1/605Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable carriage for thin material, e.g. for sheets, strips or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/14Crank and pin means

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Handling Of Sheets (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Vending Machines For Individual Products (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

Aparato (10) de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hoja o rollo; comprendiendo dicho aparato (10) una estructura de soporte (20) y un conjunto de corte (50) alterno para cortar la hoja o el rollo que está alimentándose; en donde dicho conjunto de corte (50) alterno comprende un dispositivo de corte de guillotina (53) de tipo de balanceo, que acompaña al material de papel que va a cortarse a lo largo de un tramo de su trayectoria con una velocidad que es igual a la velocidad de alimentación de la hoja o el rollo durante su movimiento a través del propio aparato (10) de corte; y en donde un conjunto de carro (30) se desliza sobre dicha estructura de soporte (20) y soporta, a su vez, una contracuchilla (34), del dispositivo de corte de guillotina (53), empujándose/tirándose de dicho conjunto de carro (30) mediante un mecanismo móvil (40); estando dicho aparato (10) caracterizado porque dicho mecanismo móvil (40) comprende un balancín, que en uso provoca que dicho conjunto de carro (30) oscile a lo largo de un tramo de la trayectoria del material de papel.Apparatus (10) for continuous cutting to cut a material, in particular a paper material, which is fed in the form of a sheet or roll; said apparatus (10) comprising a support structure (20) and an alternate cutting assembly (50) for cutting the sheet or roll being fed; wherein said alternate cutting assembly (50) comprises a sash type cutting device (53), which accompanies the paper material to be cut along a section of its path with a speed that is equal at the speed of feeding the sheet or the roll during its movement through the cutting apparatus itself (10); and wherein a carriage assembly (30) slides on said support structure (20) and supports, in turn, a counter knife (34), of the guillotine cutting device (53), pushing / pulling on said assembly of carriage (30) by a mobile mechanism (40); said apparatus (10) being characterized in that said mobile mechanism (40) comprises a rocker, which in use causes said carriage assembly (30) to oscillate along a section of the path of the paper material.

Description

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DESCRIPCIONDESCRIPTION

Aparato de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hoja o rolloContinuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll

Campo tecnicoTechnical field

La presente invencion se refiere a un aparato de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hoja o rollo.The present invention relates to a continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll.

En particular, la presente invencion se aplica ventajosamente, pero no exclusivamente, al corte de una pluralidad de refuerzos angulares para cajas a partir de un rollo de papel continuo; dichas cajas se usan normalmente para almacenar y transportar productos de frutas y verduras.In particular, the present invention applies advantageously, but not exclusively, to the cutting of a plurality of angular reinforcements for boxes from a roll of continuous paper; Such boxes are normally used to store and transport fruit and vegetable products.

Tecnica anteriorPrior art

Se conocen aparatos para cortar de manera continua hojas o un rollo segun etapas preestablecidas, para obtener piezas en bruto que tienen longitudes predeterminadas dictadas por el uso previsto de las mismas.Apparatus for continuously cutting sheets or a roll according to predetermined stages are known, to obtain blanks having predetermined lengths dictated by their intended use.

Resulta obvio que aumentando la velocidad de alimentacion y/o la velocidad de corte de la hoja (o el rollo), pueden obtenerse piezas en bruto que tienen diferentes longitudes aunque se parta del mismo material inicial.It is obvious that by increasing the feed rate and / or the cutting speed of the sheet (or the roll), blanks that have different lengths can be obtained even if it starts from the same starting material.

En la practica industrial, se ha encontrado que a medida que aumenta el numero de golpes/minuto del aparato de corte, es decir, en ultima instancia a medida que aumenta el numero de cortes, aumenta en consecuencia el riesgo de atascamiento, debido al hecho de que la cuchilla de corte no tuvo tiempo de desprenderse rapidamente de un corte para estar lista para el siguiente corte.In industrial practice, it has been found that as the number of strokes / minute of the cutting apparatus increases, that is, ultimately as the number of cuts increases, the risk of clogging increases, due to the fact that the cutting blade did not have time to quickly detach from a cut to be ready for the next cut.

El documento WO-A2-2012/085866, segun la parte de preambulo de la reivindicacion 1, describe un aparato de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hoja o rollo. El aparato comprende una estructura de soporte y un conjunto de corte alterno para cortar la hoja o el rollo que esta alimentandose. El conjunto de corte alterno comprende un dispositivo de corte de guillotina del tipo de balanceo, que acompana al material de papel que va a cortarse a lo largo de un tramo de su trayectoria con una velocidad que es igual a la velocidad de alimentacion de la hoja o el rollo durante su movimiento a traves del propio aparato de corte.WO-A2-2012 / 085866, according to the preamble part of claim 1, describes a continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll. The apparatus comprises a support structure and an alternate cutting assembly for cutting the sheet or roll being fed. The alternate cutting assembly comprises a guillotine cutting device of the rolling type, which accompanies the paper material to be cut along a section of its path with a speed that is equal to the speed of feeding the sheet or the roll during its movement through the cutting device itself.

Descripcion de invencionDescription of invention

Por tanto, segun la invencion, se ha disenado un dispositivo de corte de guillotina del tipo de balanceo, que acompana al material de papel que va a cortarse a lo largo de un tramo de su trayectoria con una velocidad que es igual a la velocidad de alimentacion de la hoja (o el rollo) durante el movimiento de la misma a traves del propio aparato con el fin de eliminar los inconvenientes anteriormente mencionados.Therefore, according to the invention, a guillotine cutting device of the rolling type has been designed, which accompanies the paper material to be cut along a section of its trajectory with a speed that is equal to the speed of feeding of the sheet (or the roll) during the movement of the same through the apparatus itself in order to eliminate the aforementioned drawbacks.

Por tanto, segun la presente invencion, se proporciona un aparato de corte continuo para cortar un material segun la reivindicacion 1 o segun una cualquiera de las reivindicaciones que dependen directa o indirectamente de la reivindicacion 1.Therefore, according to the present invention, a continuous cutting apparatus is provided for cutting a material according to claim 1 or according to any one of the claims that depend directly or indirectly on claim 1.

Breve descripcion de los dibujosBrief description of the drawings

Para entender mejor la presente invencion, ahora se describe una realizacion preferente de la misma, a modo meramente de ejemplo no limitativo y con referencia a los dibujos adjuntos, en los que:To better understand the present invention, a preferred embodiment thereof is now described, by way of non-limiting example only and with reference to the accompanying drawings, in which:

- la figura 1 muestra una vista frontal de un aparato de corte continuo para cortar un rollo de papel segun los preceptos de la presente invencion;- Figure 1 shows a front view of a continuous cutting apparatus for cutting a roll of paper according to the precepts of the present invention;

- la figura 2 muestra una vista en planta del aparato en la figura 1;- Figure 2 shows a plan view of the apparatus in Figure 1;

- la figura 3 muestra una primera vista lateral del aparato mostrado en las figuras 1, 2;- Figure 3 shows a first side view of the apparatus shown in Figures 1, 2;

- la figura 4 muestra una segunda vista lateral del aparato mostrado en las figuras 1,2;- Figure 4 shows a second side view of the apparatus shown in Figures 1,2;


- la figura 5 muestra una seccion A-A de la vista frontal en la figura 1;

- figure 5 shows a section AA of the front view in figure 1;


- la figura 6 muestra una seccion B-B de la vista frontal en la figura 1;

- figure 6 shows a section BB of the front view in figure 1;


- la figura 7 muestra una seccion C-C de la vista frontal en la figura 1;

- figure 7 shows a section CC of the front view in figure 1;

- la figura 8 muestra una pieza en bruto obtenida a partir de una hoja, o un rollo, por medio de dos cortes rectos- Figure 8 shows a blank obtained from a sheet, or a roll, by means of two straight cuts

paralelos; yparallel; Y

- la figura 9 muestra una pieza en bruto obtenida a partir de una hoja, o un rollo, por medio de dos cortes rectos conformados paralelos.- Figure 9 shows a blank obtained from a sheet, or a roll, by means of two straight parallel shaped cuts.

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Mejor modo de llevar a cabo la invencionBest way to carry out the invention

En las figuras adjuntas, el numero 10 indica, en su conjunto, un aparato de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hojas (o rollo), proporcionado segun las ensenanzas de la presente invencion.In the attached figures, the number 10 indicates, as a whole, a continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of sheets (or roll), provided according to the teachings herein. invention.

El aparato 10 de corte comprende una estructura de soporte 20, que puede asignarse sustancialmente al conjunto de una placa vertical 21 sujeta a una placa horizontal 22.The cutting apparatus 10 comprises a support structure 20, which can be substantially assigned to the assembly of a vertical plate 21 attached to a horizontal plate 22.

El aparato 10 de corte comprende ademas un conjunto de carro 30 que esta adaptado para deslizarse sobre un par de railes 31, 32 segun una direccion horizontal en dos sentidos identificados mediante una doble flecha (F1) (figura 1).The cutting apparatus 10 further comprises a carriage assembly 30 which is adapted to slide on a pair of rails 31, 32 according to a horizontal direction in two directions identified by a double arrow (F1) (Figure 1).

Se empuja/se tira del conjunto de carro 30 mediante un mecanismo movil 40, una parte del cual es solidaria con la placa vertical 21 anteriormente mencionada, tal como se vera.The carriage assembly 30 is pushed / pulled by a mobile mechanism 40, a part of which is integral with the aforementioned vertical plate 21, as will be seen.

En particular, el mecanismo movil 40 comprende un primer conjunto de motor electrico 41 sujeto a una cara externa 21A (figura 4) de la placa vertical 21. Se obtiene un orificio pasante en la placa vertical 21, que se atraviesa en uso por un eje que sobresale desde una cara interna 21B de la placa vertical 21. Un disco 42 esta enchavetado sobre un eje de este tipo (figura 1), estando un tirante 43 pivotado de manera excentrica sobre el mismo por medio de una union 44.In particular, the mobile mechanism 40 comprises a first electric motor assembly 41 attached to an external face 21A (Figure 4) of the vertical plate 21. A through hole is obtained in the vertical plate 21, which is traversed in use by an axis protruding from an inner face 21B of the vertical plate 21. A disc 42 is keyed on such an axis (Figure 1), a rod 43 being pivoted eccentrically thereon by means of a joint 44.

Merece la pena observar que entre el disco 42 y el tirante 43 hay medios para ajustar el punto de articulacion para afectar a la longitud real de la trayectoria de traslacion del conjunto de carro 30 sobre los railes 31, 32 segun la longitud de la pieza en bruto que va a cortarse (vease a continuacion).It is worth noting that between the disc 42 and the strut 43 there are means for adjusting the point of articulation to affect the actual length of the translation path of the carriage assembly 30 on the rails 31, 32 according to the length of the piece in gross to be cut (see below).

El mecanismo movil 40 termina con una barra de conexion 45 adicional pivotada sobre el conjunto de carro 30 por medio de una union 46A.The mobile mechanism 40 ends with an additional connection bar 45 pivoted on the carriage assembly 30 by means of a joint 46A.

Un elemento intermedio 46 esta proporcionado entre el tirante 43 y la barra de conexion 44, elemento que esta pivotado sobre la placa vertical 21 por medio de un pasador 47 cineticamente conectado al tirante 43 por medio de una union 48, y a la barra de conexion 45 por medio de una union 49.An intermediate element 46 is provided between the tie rod 43 and the connecting rod 44, which element is pivoted on the vertical plate 21 by means of a pin 47 kinetically connected to the tie rod 43 by means of a joint 48, and to the connecting rod 45 through a union 49.

Por tanto, el movimiento rotatorio del disco 42 segun una flecha (R1) da como resultado un movimiento oscilante del conjunto de carro 30 segun la doble flecha (F1).Therefore, the rotational movement of the disc 42 according to an arrow (R1) results in an oscillating movement of the carriage assembly 30 according to the double arrow (F1).

En otras palabras, el mecanismo movil 40 no es sustancialmente nada mas que un balancm adaptado para hacer oscilar el conjunto de carro 30 sobre los rafles 31, 32 segun la doble flecha (F1).In other words, the mobile mechanism 40 is substantially nothing more than a balancm adapted to swing the carriage assembly 30 on the rails 31, 32 according to the double arrow (F1).

El aparato 10 de corte tambien comprende un conjunto de corte 50 alterno, que tambien esta soportado por la placa vertical 21.The cutting apparatus 10 also comprises an alternate cutting assembly 50, which is also supported by the vertical plate 21.

Antes de describir el conjunto de corte 50 alterno con mas detalle, se realizara un breve analisis de los elementos incluidos en el conjunto de carro 30.Before describing the alternate cutting assembly 50 in more detail, a brief analysis of the elements included in the carriage assembly 30 will be performed.

Tal como se muestra particularmente en las figuras 4, 6, 7, el conjunto de carro 30 comprende un carro 33 con una plataforma horizontal 33A sobre la que esta sujeta una contracuchilla 34 enfrentada al conjunto de corte 50 alterno.As shown particularly in Figures 4, 6, 7, the carriage assembly 30 comprises a carriage 33 with a horizontal platform 33A on which a counter knife 34 is attached facing the alternate cutting assembly 50.

La plataforma horizontal 33A esta dotada de un par de barras de seccion 35, 36, cada una de las cuales esta emparejada de manera deslizante con un rail 31, 32 respectivo.The horizontal platform 33A is provided with a pair of section bars 35, 36, each of which is slidably coupled with a respective rail 31, 32.

Tal como se muestra particularmente en la figura 6, un portico 37 esta montado en el carro 33, que comprende a su vez dos columnas laterales 37A, 37B que estan conectadas a la parte superior de un travesano 37C.As shown particularly in Figure 6, a portico 37 is mounted on the carriage 33, which in turn comprises two side columns 37A, 37B that are connected to the top of a crossbar 37C.

El conjunto de corte 50 alterno comprende un elemento deslizante portacuchilla 51, que esta adaptado para deslizarse verticalmente con respecto a las dos columnas laterales 37a, 37B debido al acoplamiento deslizante prismatico establecido entre el elemento deslizante portacuchilla 51 y las columnas laterales 37A, 37B. Un acoplamiento deslizante prismatico de este tipo se obtiene por medio de un bloque deslizante 52 (figura 1).The alternate cutting assembly 50 comprises a sliding knife holder 51, which is adapted to slide vertically with respect to the two lateral columns 37a, 37B due to the prismatic sliding coupling established between the sliding knife holder 51 and the lateral columns 37A, 37B. A prismatic sliding coupling of this type is obtained by means of a sliding block 52 (Figure 1).

El conjunto de corte 50 alterno comprende ademas una cuchilla 53 de corte, montada en el elemento deslizante portacuchilla 51, de nuevo enfrentada a la contracuchilla 34 mencionada que, tal como se menciono, es solidaria con la plataforma horizontal 33A del carro 33.The alternate cutting assembly 50 further comprises a cutting blade 53, mounted on the sliding knife holder 51, again facing the aforementioned counter knife 34 which, as mentioned, is integral with the horizontal platform 33A of the carriage 33.

Merece la pena observar que el conjunto de corte 50 alterno esta adaptado para funcionar con cualquier tipo de rollo u hoja; en particular, el conjunto de corte 50 puede funcionar con un rollo de carton multicapa de cualquier seccion transversal, por ejemplo un carton que tiene una seccion transversal en forma de L, o una seccionIt is worth noting that the alternate cutting assembly 50 is adapted to work with any type of roll or sheet; in particular, the cutting assembly 50 can operate with a multilayer cardboard roll of any cross section, for example a cardboard having an L-shaped cross section, or a section

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transversal casi en forma de U abierta.almost U-shaped cross section.

Ademas, la cuchilla 53 de corte, que se selecciona convenientemente segun el corte que va a realizarse, esta adaptada para cortar el rollo, o la hoja, segun cortes rectos (TD) (figura 8), o segun cortes conformados (TS) (figura 9).In addition, the cutting blade 53, which is conveniently selected according to the cut to be made, is adapted to cut the roll, or the blade, according to straight cuts (TD) (Figure 8), or according to shaped cuts (TS) ( figure 9).

En el conjunto de corte 50 alterno tambien hay un segundo conjunto de motor electrico 54 que tambien esta sujeto a la cara externa 21A (figura 3) de la placa vertical 21.In the alternate cutting assembly 50 there is also a second electric motor assembly 54 which is also attached to the outer face 21A (figure 3) of the vertical plate 21.

Tal como se vio anteriormente en relacion con el mecanismo movil 40, se obtiene un orificio pasante en la placa vertical 21, orificio que se atraviesa en uso por un eje que sobresale desde una cara interna 21B de la placa vertical 21. Un disco 55 esta enchavetado en un eje de este tipo (figura 1), estando un primer extremo libre de un tirante 56 pivotado de manera excentrica sobre el mismo por medio de una union 57. Ademas, un segundo extremo libre del tirante 56 esta pivotado sobre el elemento deslizante portacuchilla 51 por medio de una union 58.As previously seen in relation to the mobile mechanism 40, a through hole is obtained in the vertical plate 21, a hole that is traversed in use by an axis protruding from an inner face 21B of the vertical plate 21. A disc 55 is keyed in such an axis (figure 1), a first free end of a rod 56 being pivoted eccentrically thereon by means of a joint 57. In addition, a second free end of the strap 56 is pivoted on the sliding element knife holder 51 by means of a union 58.

Ademas, tambien debe observarse que entre el disco 55 y el tirante 56 hay medios para ajustar el punto de pivotaje con el fin de afectar al levantamiento real del elemento deslizante 53 con respecto a la plataforma horizontal 33A. Ademas, usar medios conocidos en el estado de la tecnica permite variar la longitud del tirante 56.In addition, it should also be noted that between the disk 55 and the strut 56 there are means for adjusting the pivot point in order to affect the actual lifting of the sliding element 53 with respect to the horizontal platform 33A. In addition, using means known in the state of the art allows varying the length of the strap 56.

En otras palabras, el mecanismo usado en el conjunto de corte 50 es similar a un mecanismo de biela/manivela de conexion que transforma el movimiento rotatorio segun una flecha (R2) en un movimiento de traslacion vertical identificado por la doble flecha (F2).In other words, the mechanism used in the cutting assembly 50 is similar to a connecting rod / crank mechanism that transforms the rotary movement according to an arrow (R2) into a vertical translation movement identified by the double arrow (F2).

En resumen, mientras el mecanismo movil 40 esta adaptado para transformar el movimiento rotatorio del disco 42 segun la flecha (R1) en el movimiento horizontal alterno segun la flecha (F1) del carro 33, en el conjunto de corte 50 se produce la transformacion del movimiento rotatorio del disco 55 (segun la flecha (R2)) en el movimiento alterno vertical segun la flecha (F2) del elemento deslizante portacuchilla 51.In summary, while the mobile mechanism 40 is adapted to transform the rotary movement of the disc 42 according to the arrow (R1) into the alternate horizontal movement according to the arrow (F1) of the carriage 33, in the cutting assembly 50 the transformation of the rotary movement of the disc 55 (according to the arrow (R2)) in the alternating vertical movement according to the arrow (F2) of the sliding knife holder 51.

El movimiento horizontal del carro 33 (segun la flecha (F1)) esta sincronizado con el movimiento vertical (segun la flecha (F2)) del elemento deslizante portacuchilla 51, es decir, de la cuchilla 53 de corte que se mueve hacia la contracuchilla 34 para cortar la hoja (o el rollo) en movimiento con el fin de producir piezas en bruto.The horizontal movement of the carriage 33 (according to the arrow (F1)) is synchronized with the vertical movement (according to the arrow (F2)) of the sliding knife holder 51, that is, of the cutting blade 53 that moves towards the counter knife 34 to cut the blade (or roll) in motion in order to produce blanks.

Las hojas (o el rollo) que van a cortarse pueden alimentarse hacia el aparato 10 de corte por medio de una primera cinta transportadora (no mostrada), mientras que las piezas en bruto cortadas pueden descargarse por medio de una segunda cinta transportadora (no mostrada). Las velocidades de alimentacion del total de las hojas pueden sincronizarse con la velocidad del carro 33, con la velocidad del elemento deslizante portacuchilla 51, y con la velocidad de descarga de las piezas en bruto obtenidas mediante corte de las hojas por medio de una unidad de control electronica (no mostrada) e implementando sistemas de programacion conocidos.The sheets (or the roll) to be cut can be fed to the cutting apparatus 10 by means of a first conveyor belt (not shown), while the cut blanks can be discharged by means of a second conveyor belt (not shown ). The feeding speeds of the total of the blades can be synchronized with the speed of the carriage 33, with the speed of the sliding knife holder 51, and with the discharge speed of the blank obtained by cutting the blades by means of a unit of electronic control (not shown) and implementing known programming systems.

Las principales ventajas del aparato de corte objeto de la invencion consisten, por un lado, en poder ajustar con precision el paso de corte (y por tanto, al final, ajustar con precision la longitud de la pieza en bruto obtenida mediante dos cortes consecutivos en secuencia), y por otro lado, en reducir drasticamente la probabilidad de atascamiento de los conjuntos de corte.The main advantages of the cutting apparatus object of the invention consist, on the one hand, in being able to precisely adjust the cutting step (and therefore, in the end, precisely adjust the length of the blank obtained by two consecutive cuts in sequence), and on the other hand, in drastically reducing the likelihood of binding of the cutting assemblies.

Claims (6)

1010 15fifteen 2.2. 20 3.20 3. 4.Four. 2525 30 5.30 5. 6.6. 3535 7.7. 4040 8.8. 45Four. Five REIVINDICACIONES Aparato (10) de corte continuo para cortar un material, en particular un material de papel, que se alimenta en forma de hoja o rollo; comprendiendo dicho aparato (10) una estructura de soporte (20) y un conjunto de corte (50) alterno para cortar la hoja o el rollo que esta alimentandose;Apparatus (10) for continuous cutting to cut a material, in particular a paper material, which is fed in the form of a sheet or roll; said apparatus (10) comprising a support structure (20) and an alternate cutting assembly (50) for cutting the sheet or roll being fed; en donde dicho conjunto de corte (50) alterno comprende un dispositivo de corte de guillotina (53) de tipo de balanceo, que acompana al material de papel que va a cortarse a lo largo de un tramo de su trayectoria con una velocidad que es igual a la velocidad de alimentacion de la hoja o el rollo durante su movimiento a traves del propio aparato (10) de corte; ywherein said alternate cutting assembly (50) comprises a guillotine cutting device (53) of rolling type, which accompanies the paper material to be cut along a section of its path with a speed that is equal at the rate of feeding of the sheet or roll during its movement through the cutting apparatus itself (10); Y en donde un conjunto de carro (30) se desliza sobre dicha estructura de soporte (20) y soporta, a su vez, una contracuchilla (34), del dispositivo de corte de guillotina (53), empujandose/tirandose de dicho conjunto de carro (30) mediante un mecanismo movil (40);wherein a carriage assembly (30) slides on said support structure (20) and supports, in turn, a counter knife (34), of the guillotine cutting device (53), pushing / pulling said carriage assembly (30) through a mobile mechanism (40); estando dicho aparato (10) caracterizado porque dicho mecanismo movil (40) comprende un balancm, que en uso provoca que dicho conjunto de carro (30) oscile a lo largo de un tramo de la trayectoria del material de papel.said apparatus (10) being characterized in that said mobile mechanism (40) comprises a balancm, which in use causes said carriage assembly (30) to oscillate along a section of the path of the paper material. Aparato (10), segun la reivindicacion 1, caracterizado porque dicho dispositivo de corte de guillotina (53) soporta una cuchilla (53) que, durante el corte, se mueve contra dicha contracuchilla (34).Apparatus (10), according to claim 1, characterized in that said guillotine cutting device (53) supports a blade (53) which, during cutting, moves against said counter knife (34). Aparato (10), segun cualquiera de las reivindicaciones anteriores, caracterizado porque dicho dispositivo de corte de guillotina (53) se mueve mediante un mecanismo que es similar a un mecanismo de biela/manivela de conexion.Apparatus (10), according to any of the preceding claims, characterized in that said guillotine cutting device (53) is moved by a mechanism that is similar to a connecting rod / crank mechanism. Aparato (10), segun cualquiera de las reivindicaciones anteriores, caracterizado porque dicho dispositivo de corte de guillotina (53) comprende un elemento deslizante portacuchilla (51), que se adapta para deslizarse verticalmente sobre dos columnas laterales (37A, 37B), que se transportan por dicho conjunto de carro (30), por medio de un acoplamiento deslizante prismatico, que se establece entre el propio elemento deslizante portacuchilla (51) y las propias columnas laterales (37A, 37B).Apparatus (10), according to any of the preceding claims, characterized in that said guillotine cutting device (53) comprises a sliding knife holder element (51), which is adapted to slide vertically on two lateral columns (37A, 37B), which is transported by said carriage assembly (30), by means of a prismatic sliding coupling, which is established between the sliding knife holder element itself (51) and the lateral columns themselves (37A, 37B). Aparato (10), segun la reivindicacion 4, caracterizado porque dicho acoplamiento deslizante prismatico se obtiene por medio de un bloque deslizante (52).Apparatus (10), according to claim 4, characterized in that said prismatic sliding coupling is obtained by means of a sliding block (52). Aparato (10), segun la reivindicacion 4 o la reivindicacion 5, caracterizado porque dicho dispositivo de corte de guillotina (53) comprende, ademas, un tirante (56), que esta articulado con dicho elemento deslizante portacuchilla (51) por medio de una union (58).Apparatus (10), according to claim 4 or claim 5, characterized in that said guillotine cutting device (53) also comprises a shoulder (56), which is articulated with said sliding knife holder element (51) by means of a union (58). Aparato (10), segun cualquiera de las reivindicaciones anteriores, caracterizado porque, por medio de medios de sincronizacion apropiados, la velocidad de alimentacion de la hoja o el rollo intacto se sincroniza con la velocidad de dicho carro (33), con la velocidad de dicho conjunto de corte (50), y con la velocidad de descarga a la que se expulsan las piezas en bruto obtenidas mediante corte de la hoja o el rollo.Apparatus (10), according to any of the preceding claims, characterized in that, by means of appropriate synchronization means, the feeding speed of the intact sheet or roll is synchronized with the speed of said carriage (33), with the speed of said cutting assembly (50), and with the discharge rate at which the blanks obtained by cutting the sheet or roll are ejected. Aparato (10), segun cualquiera de las reivindicaciones anteriores, caracterizado porque comprende medios de corte (34, 53), que son adecuados para cortar el rollo o la hoja segun cortes rectos (TD), o segun cortes conformados (TS).Apparatus (10), according to any one of the preceding claims, characterized in that it comprises cutting means (34, 53), which are suitable for cutting the roll or sheet according to straight cuts (TD), or according to shaped cuts (TS).
ES13820976.2T 2012-12-05 2013-12-05 Continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in the form of a sheet or roll Active ES2632063T3 (en)

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IT000660A ITBO20120660A1 (en) 2012-12-05 2012-12-05 CONTINUOUS CUTTING EQUIPMENT OF A MATERIAL, IN PARTICULAR PAPER, POWERED IN THE FORM OF SHEET OR RIBBON
ITBO20120660 2012-12-05
PCT/IB2013/060683 WO2014087377A1 (en) 2012-12-05 2013-12-05 Continuous cutting apparatus for cutting a material, in particular a paper material, which is fed in form of sheet or roll

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US11520544B2 (en) 2017-07-14 2022-12-06 Georgia-Pacific Corrugated Llc Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
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US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
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