ES2537839B1 - Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses - Google Patents
Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses Download PDFInfo
- Publication number
- ES2537839B1 ES2537839B1 ES201331815A ES201331815A ES2537839B1 ES 2537839 B1 ES2537839 B1 ES 2537839B1 ES 201331815 A ES201331815 A ES 201331815A ES 201331815 A ES201331815 A ES 201331815A ES 2537839 B1 ES2537839 B1 ES 2537839B1
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- Spain
- Prior art keywords
- plate
- ejector
- strips
- base
- male
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1818—Means for removing cut-out material or waste by pushing out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D2007/189—Mounting blanking, stripping and break-out tools
Abstract
Expulsor de recortes de láminas de cartón, para troqueladoras planas o prensas autoplatinas, en las que dicho expulsor comprende una base macho (1) que presenta por la cara activa y a la misma altura una serie de empujadores (4) y una placa plana (2), que ocupa la zona interior y presenta la misma configuración perimetral y las mismas ventanas (21) que está previsto practicar en la hoja de cartón a limpiar; periféricamente, en torno a la placa plana (2), presenta una serie de placas (3), que exteriormente delimitan el contorno de la hoja troquelada (1) y hacia el interior el perfil de la zona enfrentada de la placa (2) y de las regletas, flejes o empujadores que han de discurrir entre ambos elementos, montándose cada una de estas placas (3) en un acoplamiento roscado (6) que discurre por una ranura (31), perpendicular a la placa (2), que permite aproximar milimétricamente la correspondiente placa (3) a las regletas o flejes no cortantes.Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses, in which said ejector comprises a male base (1) that has a series of pushers (4) and a flat plate (2) on the active face at the same height. ), which occupies the interior area and has the same perimeter configuration and the same windows (21) that it is planned to practice on the cardboard sheet to be cleaned; peripherally, around the flat plate (2), it presents a series of plates (3), which externally delimit the contour of the die cut sheet (1) and inwards the profile of the facing area of the plate (2) and of the strips, strips or pushers that have to run between both elements, each of these plates (3) being mounted in a threaded coupling (6) that runs through a groove (31), perpendicular to the plate (2), which allows Millimetrically approximate the corresponding plate (3) to the non-cutting strips or strips.
Description
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DESCRIPCIONDESCRIPTION
Expulsor de recortes de laminas de carton, para troqueladoras planas o prensas autoplatinas.Cardboard plate cutter ejector, for flat die cutters or autoplatin presses.
Objeto de la invencionObject of the invention
La presente invencion, como su propio tltulo indica, se refiere a un expulsor de recortes de laminas de carton, para troqueladoras planas o prensas autoplatinas. La invencion afecta tanto a la parte denominada expulsor macho, o util de expulsor, como a la parte hembra de dicho expulsor, ambos con la finalidad de procurar la limpieza o de recortes sobrantes sobre hojas de carton o productos similares, de las empleadas principalmente en el sector del packaging, tales como cajas o envases, expositores, o derivados de estos.The present invention, as its own title indicates, refers to a cardboard sheet cutter ejector, for flat die cutters or autoplatin presses. The invention affects both the so-called male ejector, or ejector tool, as well as the female part of said ejector, both for the purpose of attempting to clean or cut leftovers on cardboard sheets or similar products, of those mainly used in the packaging sector, such as boxes or containers, exhibitors, or derivatives thereof.
Antecedentes de la invencionBackground of the invention
Este expulsor esta destinado para una troqueladora plana o prensa autoplatina, en la que tanto el macho, como la hembra, son planos y el desplazamiento del macho es perpendicular a la plancha, por lo que con las maquinas modernas de troquelado consigue una gran precision y perfecta sincronizacion en cuanto al registro del macho con la hembra en el cuerpo de limpieza o extraction de recortes. En una primera fase actua el troquel propiamente dicho efectuando todos los cortes previstos en una sola action, a continuation la lamina ya cortada pasa a una segunda estacion en la que se encuentra el expulsor macho y la placa central o expulsor hembra, donde la hoja troquelada queda posicionada de forma precisa encima del expulsor hembra, de tal forma que la prensa autoplatina activa los mecanismos necesarios, para que el expulsor macho baje e impacte sobre la hoja de carton, empuje y separe de forma discriminada solo los sobrantes generados tanto en las ventanas u orificios interiores, como el sobrante periferico que se denomina como recortes o material sobrante de carton.This ejector is intended for a flat die cutter or autoplatin press, in which both the male and the female are flat and the displacement of the male is perpendicular to the plate, so that with modern die cutting machines it achieves great precision and perfect synchronization regarding the registration of the male with the female in the body of cleaning or extraction of cuts. In a first phase, the die itself acts by making all the cuts provided in a single action, then the already cut sheet passes to a second station where the male ejector and the central plate or female ejector are located, where the die cut sheet It is positioned precisely on top of the female ejector, so that the autoplatin press activates the necessary mechanisms, so that the male ejector goes down and impacts the cardboard sheet, pushes and separates in a discriminated way only the leftovers generated both in the windows or inner holes, such as the peripheral surplus that is referred to as cutouts or cardboard excess material.
Un expulsor comprende: Una base macho, que presenta una superficie, preferentemente de madera, en la que se montan las regletas de diferentes tipos de fleje, con o sin dientes, bloques que pueden ser de madera, metal o plastico y pinchos o punzones todos ellos no cortantes; todos estos elementos tienen por mision empujarAn ejector comprises: A male base, which has a surface, preferably of wood, on which the strips of different types of strapping are mounted, with or without teeth, blocks that can be made of wood, metal or plastic and skewers or punches all they not sharp; all these elements have the mission to push
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y retirar de la hoja troquelada los tramos o zonas de material que se denomina (recorte o material sobrante), para su reciclaje si es que se permite. Una placa inferior, llamada tecnicamente placa central de expulsion, constituye el tambien llamado expulsor hembra; esta placa se fabricara en un material de acero al carbono decapada para casos extremos o zonas debiles, o en madera, y presenta perifericamente la forma del recorte con un offset negativo o reduccion, e interiormente con ventanas u orificios con un offset positivo o ampliado, en correspondencia con las practicadas en la lamina de carton, a fin de que los recortes pasen a traves de ellas cuando son empujados por los elementos de expulsion situados en la base macho antes comentada.and remove the sections or areas of material that is called (cut-off or excess material) from the die-cut sheet, for recycling if it is allowed. A lower plate, technically called a central ejection plate, constitutes the so-called female ejector; This plate will be manufactured in a pickled carbon steel material for extreme cases or weak areas, or in wood, and peripherally presents the shape of the cut with a negative offset or reduction, and internally with windows or holes with a positive or extended offset, in correspondence with those practiced in the cardboard sheet, so that the cuts pass through them when they are pushed by the ejection elements located in the male base mentioned above.
En cuanto al expulsor macho se refiere, el problema que plantea esta accion radica en la posibilidad de que existan atascos en la expulsion de los recortes, motivados por el hecho de que la lamina de carton, por el lado del macho, unicamente esta sujeta y soportada en zonas determinadas en los que se colocan estos tacos de espuma sintetica, caucho natural o material similar que han de sujetar y retener la hoja, a la vez que las regletas de fleje no cortante y tambien los empujadores de los recortes penetran en la en la hembra, y debiendo caer por ahl todos los recortes de carton sobrantes, dejando paso a la hoja, de forma limpia en la zona final de la troqueladora.As for the male ejector, the problem posed by this action lies in the possibility that there are jams in the expulsion of the cuts, motivated by the fact that the cardboard sheet, on the male side, is only subject and supported in certain areas where these synthetic foam, natural rubber or similar material studs that are to hold and retain the sheet are placed, at the same time that the non-cutting strip strips and also the pushers of the cuts penetrate the the female, and having to drop all the cutouts of cardboard left over there, giving way to the blade, cleanly in the final area of the die cutter.
Delimitando el contorno de la hoja troquelada, en el macho tradicional se emplean piezas fijadas en la base del expulsor macho de forma inamovible. Piezas que en ocasiones el operario de la maquina troqueladora ha de mover a ojo y a base de golpear con martillo ligeramente, aproximandolas o alejandolas a las regletas de acero hasta conseguir que el recorte de carton quede alineado en su justa medida.Delimiting the contour of the die cut sheet, in the traditional male, pieces fixed on the base of the male ejector are used immovably. Pieces that sometimes the operator of the punching machine has to move by eye and by tapping with a hammer, approaching or moving them away from the steel strips until the cardboard cutout is aligned in its right measure.
Estos elementos, colocados de forma estrategica, han de empujar y extraer el contorno perimetral exterior, y las ventanas con formas u orificios interiores, en toda su totalidad; para ello actualmente es necesario colocar en un porcentaje muy elevado, una serie de punzones de expulsion inferiores, en una zona de la troqueladora que esta situada justo debajo del expulsor hembra, donde lleva una la parrilla de pinchos telescopicos, para acompanar al recorte y que esta caiga de forma efectiva. La colocacion de estos punzones se efectua manualmente, situandose el maquinista o conductor de la troqueladora, dentro de esta, para ir colocandolos en todos los recortes a expulsar; Comentar tambien que existe una gran cantidad de prensas o autoplatinas, que no disponen de esta parrilla inferior de pinchos.These elements, strategically placed, have to push and extract the outer perimeter contour, and the windows with internal shapes or holes, in their entirety; for this, it is currently necessary to place a series of lower ejector punches in a very high percentage, in an area of the die cutter that is located just below the female ejector, where a grid of telescopic skewers is carried, to accompany the cut and that This falls effectively. The placement of these punches is done manually, placing the machinist or driver of the die cutter, inside it, to be placed in all the cuts to be expelled; Also comment that there is a large number of presses or autoplatins, which do not have this lower rack of skewers.
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En cuanto a la placa central de expulsion o limpiador hembra se refiere, cuando la hoja troquelada tiene un contorno perimetral irregular, y llega al cuerpo o estacion donde esta ubicada el limpiador hembra, la zona de recorte perimetral queda colgado por unos mini puntos de sujecion, que el operario da previamente al fleje del troquel de forma estrategica, para que la hoja troquelada no se desmonte durante el proceso de desplazamiento a traves de las pinzas de la troqueladora o prensa autoplatina que sujeta la hoja de carton. En muchas ocasiones este es un motivo de parada en maquina y perdida considerable de tiempo, ya que el operario ha de dar con gran destreza y habilidad, el grueso y posicion exacta del punto, para que ese sea tan preciso como para sujetar durante el desplazamiento, pero que permita romperse, a la hora de entrar en accion los empujadores del macho.As for the central ejector plate or female cleaner, when the die cut sheet has an irregular perimeter contour, and reaches the body or station where the female cleaner is located, the perimeter cutout area is hung by a few mini fastening points , which the operator previously gives to the strip of the die in a strategic way, so that the die-cut sheet does not disassemble during the process of displacement through the pliers of the die cutter or autoplatin press that holds the cardboard sheet. In many cases this is a reason for stopping in the machine and considerable loss of time, since the operator has to give with great skill and skill, the exact thickness and position of the point, so that it is so precise as to hold during the movement , but that allows to break, at the time of entering into action the pushers of the male.
Descripcion de la invencionDescription of the invention
Este nuevo sistema de expulsion de recortes en cuanto al expulsor macho se refiere o util superior de expulsion, lo que garantiza es la limpieza o expulsion total de recortes, evitando la perdida y optimization del tiempo, ya que no es necesaria esta accion de colocation de pinchos telescopicos debajo del expulsor hembra. La invencion tambien tiene por objetivo subsanar los problemas antes comentados: Por un lado conseguir sujetar la hoja troquelada de carton en toda su superficie interior, decimas de segundo antes de que produzca el impacto de los utiles del expulsor, actuando los empujadores oportunos, que ejercen de empujadores de los recortes. El segundo objetivo de la presente invencion consiste en proporcionarle una cierta movilidad a las piezas que delimitan el contorno del expulsor macho, de forma que aflojando y apretando un tornillo el operario puede situarlas milimetricamente ajustadas en la posicion deseada, sin necesidad de recurrir a golpearlas como sucede en la actualidad.This new system of expulsion of cuts as far as the male ejector is concerned or superior use of expulsion, what guarantees is the total cleaning or expulsion of cuts, avoiding the loss and optimization of time, since this action of colocation of telescopic skewers under the female ejector. The invention also aims to remedy the above-mentioned problems: On the one hand, it is possible to hold the die-cut cardboard sheet on its entire interior surface, tenths of a second before it produces the impact of the ejector tools, acting the appropriate pushers, which exert of cutters pushers. The second objective of the present invention is to provide a certain mobility to the parts that delimit the contour of the male ejector, so that by loosening and tightening a screw the operator can place them millimetrically adjusted in the desired position, without resorting to hitting them as It happens today.
Para conseguir estos objetivos el expulsor macho presenta por la cara activa y a la misma altura en la que los empujadores de recortes, cuando estan en la posicion de reposo una base fabricado principalmente en madera o espuma de alta densidad y comprimible, que presenta el perfil o silueta de la lamina troquelada, salvando y permitiendo que esta sea atravesada por las regletas o pinchos empujadores.To achieve these objectives, the male ejector has an active face at the same height as the cutters, when they are in the resting position a base made mainly of wood or high density and compressible foam, which has the profile or die cut silhouette, saving and allowing it to be crossed by strips or push pins.
Esta plancha o placa, invade tambien si no de manera total, una gran superficie de las zonas a expulsar o empujar, con el fin de retener y evitar que el recorte suba arriba y obligandolo a este a salir por la zona de la hembra que le corresponde. A parte de estaThis plate or plate, also invades if not in a total way, a large area of the areas to be expelled or pushed, in order to retain and prevent the cut up and force it to exit through the area of the female who corresponds. Apart from this
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primera gran innovation, contiene como segunda gran incorporation, el que permita que los elementos o piezas perimetrales que expulsan el contorno, vayan con un sistema que permite desplazar y ajustarlos, a las necesidades de cada troquelado y material, segun en maquinista considere haya de acercar, alejar, subir o bajar.First great innovation, it contains as a second great incorporation, the one that allows the perimetral elements or pieces that expel the contour, go with a system that allows to move and adjust them, to the needs of each die cut and material, according to the machinist, it is necessary to approach , zoom out, up or down.
Dicha placa se monta en paralelo con la base del macho por medio de varios centradores telescopicos, que interiormente disponen de un muelle que permite su compresion y por tanto el desplazamiento de dicha placa en aproximacion a la base que forma el macho del troquel, en el impacto del mismo. Los citados centradores estan constituidos por al menos dos cilindros que se desplazan telescopicamente uno en el interior de otro, hasta una position proxima a la base interior, delimitando en su maxima extension la distancia a la que se ha de colocar la placa con respecto a la base y su compresion, introduciendose uno en el interior del siguiente, lo que conlleva la compresion del muelle interior hasta una distancia que delimita la position de la placa en el momento del impacto para que las regletas de acero y los expulsores actuen debidamente.Said plate is mounted in parallel with the base of the male by means of several telescopic centers, which internally have a spring that allows their compression and therefore the displacement of said plate in approximation to the base that forms the male of the die, in the impact of it. The aforementioned centers are constituted by at least two cylinders that move telescopically one inside the other, to a position close to the inner base, delimiting in its maximum extension the distance to which the plate has to be placed with respect to the base and its compression, introducing one inside the next, which entails the compression of the inner spring up to a distance that delimits the position of the plate at the moment of impact so that the steel strips and the ejectors act properly.
En torno a la placa plana descrita en el punto anterior, se situan una serie de placas perifericas, tambien planas, que exteriormente delimitan el contorno del macho y hacia el interior coinciden con el perfil de la zona enfrentada de la placa anterior y de las regletas de acero que han de discurrir entre ambos elementos. Cada una de estas placas perifericas se monta en un acoplamiento roscado que discurre por una ranura que esta en position perpendicular a la cara exterior del macho, a fin de poder efectuar una aproximacion milimetrica de la correspondiente placa a las regletas de acero. Este acoplamiento roscado permite tambien la regulation en altura de estas placas perifericas, ya sea por medio de interposition de una arandela, de un muelle o cualquier otro medio que permita apretando o aflojando ligeramente estos tornillos variar la altura de la pieza.Around the flat plate described in the previous point, a series of peripheral plates are placed, also flat, which externally delimit the contour of the male and inwardly coincide with the profile of the opposite area of the anterior plate and the strips of steel that have to run between both elements. Each of these peripheral plates is mounted in a threaded coupling that runs through a slot that is perpendicular to the outer face of the male, in order to be able to make a millimetric approximation of the corresponding plate to the steel strips. This threaded coupling also allows the height adjustment of these peripheral plates, either through the interposition of a washer, a spring or any other means that allows tightening or loosening these screws slightly, varying the height of the piece.
Se ha previsto que todas las placas perimetrales o de contorno que conforman la cara activa del macho presenten una superficie exterior rugosa para garantizar la sujecion del recorte, no asl en la placa central que sujetara toda la superficie interior de la hoja, esta sera recubierta en la cara exterior por un barniz o acabado antiadherente superfino, que evite la formation de marcas sobre la lamina de carton, en el momento del impacto de la placa central del expulsor macho.It is envisaged that all the perimeter or contour plates that make up the active face of the male have a rough outer surface to guarantee the fastening of the cutout, not so in the central plate that will hold the entire inner surface of the sheet, it will be covered in the outer face by a superfine non-stick varnish or finish, which prevents the formation of marks on the cardboard sheet, at the moment of impact of the central plate of the male ejector.
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En cuanto a la innovation de la placa central de expulsion o limpiador hembra, la gran novedad que incorpora es un marco perimetral, que es siempre superior al tamano de la hoja troquelada, de tal forma que este marco a traves de unos perfiles o travesanos, sujeta y estabiliza la hoja de carton troquelada, sobre todo en todo el recorte perimetral, ya que con la placa central tradicional, no queda sujeto el recorte en ningun momento, quedando al vuelo. Estos perfiles de amarre, se colocaran de forma estrategica, para que no impida la perfecta expulsion de los recortes, con el unico y principal objetivo, de estabilizar la hoja de carton, y que esta descanse de forma perpendicular y paralela a la placa central de expulsion, para que cuando actuen los empujadores del expulsor macho, la hoja este en la position optima para poderse eliminar dichos recortes sobrantes.As for the innovation of the central ejector plate or female cleaner, the great novelty that it incorporates is a perimeter frame, which is always superior to the size of the die-cut sheet, so that this frame through some profiles or crossbars, holds and stabilizes the die-cut cardboard sheet, especially in the entire perimeter cut, since with the traditional central plate, the cut is not subject at any time, remaining on the fly. These mooring profiles, will be placed strategically, so that it does not prevent the perfect expulsion of the cuts, with the sole and main objective, of stabilizing the cardboard sheet, and that it rests perpendicularly and parallel to the central plate of ejection, so that when the pushers of the male ejector act, the blade is in the optimal position to be able to eliminate said excess cuts.
Description de las figurasDescription of the figures
Para complementar la description que se esta realizando y con objeto de facilitar la comprension de las caracterlsticas de la invention, se acompana a la presente memoria descriptiva un juego de dibujos en los que, con caracter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the features of the invention, a set of drawings is attached to the present specification in which, with an illustrative and non-limiting nature, the following has been represented:
La figura 1 muestra sendas vistas en planta y section, segun la llnea senalada en la planta del macho expulsor, en su posicion de reposo.Figure 1 shows paths in plan and section, according to the line marked on the floor of the ejector male, in its resting position.
La figura 2 se corresponde con una vista en section de dicho macho expulsor en el instante del impacto.Figure 2 corresponds to a sectional view of said ejector male at the moment of impact.
La figura 3 muestra sendas vistas en planta y section, segun la llnea senalada en la planta, de la base (1) que conforma el macho expulsorFigure 3 shows paths in plan and section, according to the line marked on the floor, of the base (1) that forms the ejector male
La figura 4 muestra sendas vistas en planta y section, segun la llnea senalada en la planta, de la placa (2) que situada en la cara activa del macho expulsor.Figure 4 shows paths in plan and section, according to the line marked on the floor, of the plate (2) located on the active face of the ejector male.
Las figuras 5 y 6 muestran en detalle el acoplamiento de las placas perifericas (3) a la base (1) del macho expulsor.Figures 5 and 6 show in detail the coupling of the peripheral plates (3) to the base (1) of the ejector male.
La figura 7 corresponde a la vista en planta de la placa central de expulsion o limpiador hembra (7) convencional, donde se puede observar la representation del perlmetro deFigure 7 corresponds to the plan view of the central ejector plate or conventional female cleaner (7), where the representation of the perimeter of
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la hoja, la cual cuando se situa en posicion, no descansa en ninguna zona, quedando al vuelo o inclinada por el propio peso, dificultando la expulsion.the blade, which when placed in position, does not rest in any area, being on the fly or inclined by the weight itself, making it difficult to expel.
La figura 8 corresponde con sendas vistas en planta y lateral de un detalle de la placa central de expulsion o limpiador hembra (7), por la zona en la que presenta unos perfiles o travesanos (8) que facilitan la expulsion del recorte.Figure 8 corresponds to two plan and side views of a detail of the central ejector plate or female cleaner (7), for the area in which it has profiles or crosspieces (8) that facilitate the ejection of the cutout.
Realizacion preferente de la invencionPreferred Embodiment of the Invention
Como se puede observar en las figuras referenciadas el macho expulsor presenta una base (1), formada por una placa de madera u otro material alternativo, que presenta perifericamente una configuracion identica al corte de la hoja de carton, previamente troquelada con el troquel, y con unas tolerancias preestablecidas, tanto para el perlmetro, como para las zonas interiores. Por medio de varias placas perifericas (3) se define el despiece y numero de placas que han de seguir de forma precisa y rigurosa este contorno. Estas placas (3) son varias y estan colocadas estrategicamente en los laterales, preferentemente en numero de 2 por cada lateral, para permitir moverlas ligeramente hacia el interior y el exterior, arriba y a llnea cero a fin de ajustarlas milimetricamente a la posicion que el maquinista considere oportuno corregir, en cuanto a la distancia a la hoja del carton, en lo que al contorno se refiere, con respecto a la hoja de carton troquelada.As can be seen in the referenced figures, the ejector male has a base (1), formed by a wooden plate or other alternative material, which peripherally presents an identical configuration to the cut of the cardboard sheet, previously punched with the die, and with pre-established tolerances, both for the perimeter and for the interior areas. By means of several peripheral plates (3) the exploded view and number of plates that have to follow this contour precisely and rigorously are defined. These plates (3) are several and are strategically placed on the sides, preferably in a number of 2 on each side, to allow them to be moved slightly inwards and outwards, above and at zero line in order to adjust them millimetrically to the position that the machinist consider it appropriate to correct, as far as the distance to the cardboard sheet, as far as the contour is concerned, with respect to the die-cut cardboard sheet.
Sobre la base (1) se fijan en puntos estrategicos los diversos empujadores (4) que permiten extraer los recortes de las ventanas y orificios que se han de practicar en la lamina de carton. Todos estos empujadores (4) quedan al mismo nivel que las placas perifericas (3) y, como la base hembra expulsora (no representada) tiene la misma forma que esta, el golpe del macho contra ella provoca que la lamina se desprenda, al tiempo que los recortes son empujados a traves de las ventanas que presenta en correspondencia a tal efecto.On the base (1) the various pushers (4) are fixed at strategic points that allow to cut out the cutouts of the windows and holes to be made in the cardboard sheet. All these pushers (4) are at the same level as the peripheral plates (3) and, as the female ejector base (not shown) has the same shape as this, the blow of the male against it causes the blade to detach, at the same time that the cuts are pushed through the windows that it presents in correspondence to that effect.
Coincidiendo con la zona y la forma en la que se ha cortar la hoja de carton, se coloca una placa (2), fija en la base (1) del macho expulsor por medio de varios centradores (5), de forma que queda enrasada con las placas perifericas (3). Esta placa (2) tiene la misma forma tambien que la hembra y del hueco definido sobre la base (1) por las placas (3), con la salvedad de que entre estas queda un canal suficiente para el paso de las regletas de fleje no cortante; asl mismo en las ventanas (21) se ha previsto unaCoinciding with the area and the way in which the cardboard sheet has been cut, a plate (2) is placed, fixed on the base (1) of the ejector male by means of several centers (5), so that it is flush with the peripheral plates (3). This plate (2) also has the same shape as the female and the hole defined on the base (1) by the plates (3), with the proviso that between them there is a sufficient channel for the passage of the strip strips not cutting; Likewise in the windows (21) a
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tolerancia o offset suficiente como para que pasen tambien por ahl las regletas y empujadores (4). Esta placa se ha representado en detalle en la figura 4.tolerance or offset sufficient to also pass through the strips and pushers (4). This plate has been shown in detail in Figure 4.
El montaje de la placa (2) sobre la base (1) se efectua a traves de varios centradores (5), cada uno de los cuales presenta al menos dos cilindros que se desplazan telescopicamente uno en el interior de otro, hasta una posicion proxima a la base interior, delimitando en su maxima extension la distancia que ha de ocupar la placa (2) con respecto a la base (1) y su compresion, introduciendose uno en el interior del siguiente, lo que conlleva la compresion del muelle interior (51) hasta una distancia que delimita la posicion de la placa (2) en el momento del impacto para que las regletas de acero y los expulsores (4) actuen debidamente. Estas dos posiciones se observan en las figuras 1 y 2.The mounting of the plate (2) on the base (1) is carried out through several centers (5), each of which has at least two cylinders that move telescopically inside each other, to a nearby position to the inner base, delimiting in its maximum extension the distance that the plate (2) has to occupy with respect to the base (1) and its compression, introducing one inside the next one, which implies the compression of the inner spring ( 51) up to a distance that delimits the position of the plate (2) at the moment of impact so that the steel strips and the ejectors (4) act properly. These two positions are seen in figures 1 and 2.
Un detalle destacable de la invention reside en la fijacion de las placas perifericas (3) en la base (1), que se efectua a traves de unos tornillos Allen (6), que se acoplan en unas ranuras (31), que son perpendiculares al borde de la base del expulsor macho (1), de forma que el operario puede facilmente, al aflojar ligeramente este tornillo, situar cada placa (3) por independiente a la distancia adecuada de las regletas de acero u otro material.A remarkable detail of the invention resides in the fixation of the peripheral plates (3) in the base (1), which is carried out through Allen screws (6), which are coupled in grooves (31), which are perpendicular at the edge of the base of the male ejector (1), so that the operator can easily, by loosening this screw slightly, place each plate (3) independently at the appropriate distance from the steel strips or other material.
La placa (2) presenta una superficie lisa y opcionalmente un barniz o acabado antiadherente superfino, y las placas (3) presentan una superficie preferiblemente rugosa, para asegurar el agarre de los trozos de carton a empujar.The plate (2) has a smooth surface and optionally a superfine non-stick varnish or finish, and the plates (3) have a preferably rough surface, to ensure the grip of the cardboard pieces to be pushed.
En la figura 7 se observa la placa central de expulsion o limpiador hembra (7), que incorpora una serie de ventanas (71) ligeramente mayores que los cortes practicados en la lamina de carton para facilitar la salida del recorte a traves de ellas, asl como un marco perimetral (73) que es superior al tamano de la hoja troquelada, de tal forma que entre este y la propia placa hembra (7) existe un hueco (72) en el que queda el carton pre cortado de la lamina de carton. En este hueco (72), coincidiendo con las zonas de corte transversales, se colocan unos perfiles o travesanos (8), que sujetan y estabiliza la hoja de carton troquelada, sobre todo en todo esta zona del recorte perimetral, ya que con la placa central tradicional, no queda sujeto el recorte en ningun momento, quedando al vuelo. Estos perfiles de amarre (8), se colocaran de forma estrategica, para que no impida la perfecta expulsion de los recortes, con el unico y principal objetivo, de estabilizar la hoja de carton, y que esta descanse de formaFigure 7 shows the central ejector plate or female cleaner (7), which incorporates a series of windows (71) slightly larger than the cuts made in the cardboard sheet to facilitate the exit of the cut through them, asl as a perimeter frame (73) that is greater than the size of the die-cut sheet, such that between this and the female plate itself (7) there is a gap (72) in which the pre-cut cardboard of the cardboard sheet is left . In this hollow (72), coinciding with the transverse cutting areas, profiles or crossbars (8) are placed, which hold and stabilize the die-cut cardboard sheet, especially in this entire area of the perimeter cut, since with the plate Traditional central, the cut is not subject at any time, remaining on the fly. These mooring profiles (8), will be placed strategically, so that it does not prevent the perfect expulsion of the cuts, with the only and main objective, of stabilizing the cardboard sheet, and that it rests in a way
perpendicular y paralela a la placa central de expulsion, para que cuando actuen los empujadores del expulsor macho, la hoja este en la posicion optima para poderse eliminar dichos recortes sobrantes. La fijacion de estos perfiles de amarre (8) se efectua a traves de la cara posterior de la placa hembra (7), fijados en sendos 5 listoncillos de madera (9), que a su vez se fijan en la cara posterior de dicha placa, a traves de al menos un tornillo transversal.perpendicular and parallel to the central ejection plate, so that when the pushers of the male ejector act, the blade is in the optimal position to be able to eliminate said excess cuts. The fixing of these mooring profiles (8) is carried out through the rear face of the female plate (7), fixed in two wooden slats (9), which in turn are fixed on the rear face of said plate , through at least one transverse screw.
Una vez descrita suficientemente la naturaleza de la invencion, asl como un ejemplo de realization preferente, se hace constar a los efectos oportunos que los materiales, 10 forma, tamano y disposition de los elementos descritos podran ser modificados, siempre y cuando ello no suponga una alteration de las caracterlsticas esenciales de la invencion que se reivindican a continuation:Once the nature of the invention has been sufficiently described, as well as an example of preferred realization, it is stated to the appropriate effects that the materials, shape, size and disposition of the described elements may be modified, provided that this does not imply alteration of the essential features of the invention that are claimed below:
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Claims (4)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201331815A ES2537839B1 (en) | 2013-12-12 | 2013-12-12 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses |
| ES14382506.5T ES2612432T3 (en) | 2013-12-12 | 2014-12-11 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin press |
| EP14382506.5A EP2889111B1 (en) | 2013-12-12 | 2014-12-11 | Ejector for punched sheets of cardboard, for blanking presses or autoplaten press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201331815A ES2537839B1 (en) | 2013-12-12 | 2013-12-12 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2537839A1 ES2537839A1 (en) | 2015-06-12 |
| ES2537839B1 true ES2537839B1 (en) | 2016-04-20 |
Family
ID=52278486
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201331815A Expired - Fee Related ES2537839B1 (en) | 2013-12-12 | 2013-12-12 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin presses |
| ES14382506.5T Active ES2612432T3 (en) | 2013-12-12 | 2014-12-11 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin press |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14382506.5T Active ES2612432T3 (en) | 2013-12-12 | 2014-12-11 | Cardboard sheet cutter ejector, for flat die cutters or autoplatin press |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2889111B1 (en) |
| ES (2) | ES2537839B1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH324448A (en) * | 1955-05-24 | 1957-09-30 | Bobst Fils Sa J | Press for cutting sheet material, such as paper or cardboard |
| DE1045778B (en) * | 1955-05-24 | 1958-12-04 | Bobst & Sohn A G J | Automatic punching machine for sheet material |
| AT392753B (en) * | 1988-12-20 | 1991-06-10 | Bobst Sa | USE SEPARATION FOR USE IN CONNECTION WITH A DEVICE FOR PUNCHING PAPER, CARDBOARD OR THE LIKE. |
| US5337639A (en) * | 1992-06-16 | 1994-08-16 | Die-X Tooling Systems | Outfeed lifter ramp for blanking boxes and other die-cut paper products |
| CA2317290A1 (en) * | 2000-08-29 | 2002-02-28 | Peter E. Sandford | Presser assembly and fixture for fastening presser assembly |
| DE102006027124A1 (en) * | 2006-06-12 | 2007-12-13 | Heidelberger Druckmaschinen Ag | Sheet punching and embossing machine, has ejector station for ejecting girpper edge from gripper and contains blower, which impinges air flow at gripper edge, and gripper carriage led in circular path across conveyor |
| JP5107097B2 (en) * | 2008-03-04 | 2012-12-26 | 有限会社小森製作所 | Flat plate punching device |
-
2013
- 2013-12-12 ES ES201331815A patent/ES2537839B1/en not_active Expired - Fee Related
-
2014
- 2014-12-11 EP EP14382506.5A patent/EP2889111B1/en active Active
- 2014-12-11 ES ES14382506.5T patent/ES2612432T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2537839A1 (en) | 2015-06-12 |
| EP2889111A1 (en) | 2015-07-01 |
| EP2889111B1 (en) | 2016-10-19 |
| ES2612432T3 (en) | 2017-05-16 |
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