EP1919640A1 - Machine-type device for raising machine punches of the type using adiabatic energy change - Google Patents

Machine-type device for raising machine punches of the type using adiabatic energy change

Info

Publication number
EP1919640A1
EP1919640A1 EP06794530A EP06794530A EP1919640A1 EP 1919640 A1 EP1919640 A1 EP 1919640A1 EP 06794530 A EP06794530 A EP 06794530A EP 06794530 A EP06794530 A EP 06794530A EP 1919640 A1 EP1919640 A1 EP 1919640A1
Authority
EP
European Patent Office
Prior art keywords
punch
machine
pusher
pusher element
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06794530A
Other languages
German (de)
French (fr)
Other versions
EP1919640B1 (en
Inventor
Raymond Michon
Alain Chapuis
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.)
adiapress
Original Assignee
adiapress
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 adiapress filed Critical adiapress
Publication of EP1919640A1 publication Critical patent/EP1919640A1/en
Application granted granted Critical
Publication of EP1919640B1 publication Critical patent/EP1919640B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9428—Shear-type male tool
    • Y10T83/943—Multiple punchings

Definitions

  • the invention relates to the technical sector of machines, machine tools using the transformation of adiabatic energy.
  • Machines have been developed by the applicant with, in particular, a method and device for energy damping which has been the subject of patent FR 2,859,935.
  • FIG. 1 illustrates the operating diagram of the machine in the adiabatic cutting frame.
  • the principle is that the punch enters the sheet metal plate with a high speed. During the impact of the punch on the sheet metal plate, the part receives very localized mechanical energy. This energy does not have time to broadcast and creates an instant warm-up. The ejection of the cut portion is caused by the viscosity of the material coupled to the force exerted by the punch.
  • the implementation of this method is carried out with a machine which successively comprises a table of work (1), a bed base (2), located in the horizontal upper plane, and bearing on damping means (3) of the energy transmitted by the pressing means (4) of the ram type.
  • the damping means (3) are guided and maintained by vertical receiver blocks (5).
  • the bed base has a guide cavity of a vertical pusher (6) acting in thrust on a punch (7) itself guided by a support body (8) of the punch ensuring its guidance.
  • the end of the punch is arranged with one or more tools (7a-7b) for perforating the cutting sheet (9), which advances step by step (perpendicular to the plane of the drawing).
  • Means (10) arranged between the support body (8) of the punch and the work table of the machine, control the positioning and advance of the sheet, but so through openings allow the evacuation of parts cut.
  • This punch is raised vertically by sets of cylinders (11) which provide the different positions of the punch according to the punching steps.
  • the lifting cylinders of the punch are on the work table of the machine and encumber his environment.
  • the punching device for a machine of the type using the adiabatic energy transformation is remarkable in that the worktable and the punch guide block are arranged to constitute means allowing the positioning and the displacement of pairs of reassembly pushers arranged two by two in alignment and solicited by jacks arranged under the table of working of the machine, the upper slide sliding in the guide body being adapted to cooperate with the punch to lift according to certain operating phases.
  • FIG. 1 is a schematic view of the principle of operation of a machine according to the prior art from which the invention was developed.
  • FIG. 2 is a partial view, the punch having been raised, the cutting sheet advanced, and the punch lowered on the sheet.
  • FIG. 3 is a partial view on a large scale of the portion circled according to FIG. 2.
  • FIG. 4 is a partial view on a large scale of the device allowing the lifting of the punch according to the invention. In this figure, the punch is not yet lowered to ensure the cutting or punching operation for which it is intended.
  • FIG. 5 is a large-scale view of the part circled Figure 4.
  • the originality of the invention relating to the machine punching lift device lies in the removal of the jacks on the work table of the machine to allow free access to tools for the operator during tool changes. .
  • This is enabled by the use of the worktable and the punch guide block as means allowing the positioning and the limited vertical displacement of pairs of winding pushers arranged two by two in alignment and solicited by jacks arranged under the table working machine.
  • the work table (20) has, from its underside, vertical cavities (20a) and over its entire height defining three specific areas (20a - 20a2 - 20a3), namely:
  • - Zone (2OaI) defines a housing for the passage of the rod (21a) of a cylinder (21), the end receives a support base and thrust (21b).
  • the body (22) of the jack fixed vertically in any suitable manner relative to the underside facing said table.
  • the hydraulic connections (21c - 2Id) are provided for this purpose.
  • the zone (20a2) is established over a large length and allows passage and guiding a first pusher element (23) for reassembly.
  • This pusher is established in the form of a cylindrical rod or other section.
  • the lower end (23a) of said pusher element is facing and facing the base (21b) of the cylinder (21).
  • the upper end (23b) of the pusher element is arranged in slight withdrawal from the upper face of the table with a peripheral shoulder (23c) of larger section.
  • the upper zone (20a3) in extension and in alignment with the preceding, is of wider section than the section of the zone (20a2) underlying to allow the controlled displacement of the upper part of the pusher element (23). .
  • the connection between the zones (20a2) and (20a3) of different section is precisely a support plane and retaining (2Od) forming a stop of the pusher element (23) reassembly.
  • the winding pushing element (23) rests against the stop (2Id).
  • the upper end of the winding pusher element is substantially set back from the upper horizontal plane of the work table of the machine, so without overflow.
  • the number of cylinders (21) and thus the number of reassembly pushing elements (23) is previously defined by the manufacturer. These push elements (23) and their receiving cavity surround the evacuation cavity (20e) cut parts of the worked plate formed in the table of the machine.
  • the guide body (24) of the punch (25) In the upper part beyond the table of the machine is the guide body (24) of the punch (25) that is to say the movable part of the head of the machine.
  • the punch has a head (25a) protruding in the upper part of the guide body and wider in section than its middle portion (25b) guided in a bore (24a) of the guide body, the lower portion (25c) of the punch being arranged for receiving punching tools.
  • This guide body (24) conventionally surrounds the receiving die (26) of the cutting plate and the web guide (27) of said plate.
  • the punch head may be supported on means (28) whose function is described in another applicant's patent application.
  • lifting the jack by the pusher (30) is effected by means of the threshing wedge on which the cylinder head is supported. This wedge is pushed by the upper end of the pushers. In this case, the punch head is shorter and its mass reduced. This variant is not illustrated.
  • the punch cooperates directly or indirectly with the pusher (30)
  • the guide body is arranged with a plurality of holes (29) traversing vertically, and this being positioned in axial alignment of each of the cavities formed in the work table and allowing the passage of the pushing elements reassembly.
  • These holes (29) in number identical to that of the underlying cavities allow the positioning of a second winding pusher element (30).
  • Each pusher element (30) is longer than the height of the co ⁇ s guide the punch so as to overflow in the upper plane, in a head configuration (30a) shouldered larger section than the integrated part in the guide body.
  • said head (30a) rests against the horizontal upper surface of the guide body.
  • the lower end (30b) of said pusher member does not protrude from the horizontal lower plane of the punch guide means.
  • the arrangement of these pusher elements (30) is such that they are facing lower on the head (25a) of the punch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

The die lifter for an adiabatic energy conversion machine with a working table (20), die support, die and lifting cylinders, has the working table and die guide block (24) designed to provide for the positioning and movement of in-line lifting pushers (23, 30) operated by power cylinders (21) located beneath the working table, with each upper pusher (30) sliding in the guide block and lifting the die in certain operating stages.

Description

DISPOSITIF DE RELEVAGE DE POINÇON POUR MACHINE DU TYPE MACHINE UTILISANT LA TRANSFORMATION DE L'ENERGIE ADIABATIQUE PUNCHING DEVICE FOR MACHINE TYPE MACHINE USING ADIABATIC ENERGY TRANSFORMATION
L'invention se rattache au secteur technique des machines, machines outils utilisant la transformation de l'énergie adiabatique.The invention relates to the technical sector of machines, machine tools using the transformation of adiabatic energy.
Des machines ont été développées par le demandeur avec, en particulier, un procédé et dispositif d'amortissement d'énergie qui a fait l'objet du brevet FR 2.859.935.Machines have been developed by the applicant with, in particular, a method and device for energy damping which has been the subject of patent FR 2,859,935.
Différents travaux de recherche ont été poursuivis par le demandeur, en particulier sur le contrôle d'amortissement de l'énergie adiabatique, qui ont abouti à des solutions pour lesquelles des demandes de brevets parallèles sont en cours.Various research studies have been carried out by the applicant, in particular on the adiabatic energy damping control, which have resulted in solutions for which parallel patent applications are in progress.
En vue de l'optimisation du fonctionnement de ce type de machines, le demandeur s'est aussi intéressé au problème du changement d'outils.In order to optimize the operation of this type of machine, the applicant has also been interested in the problem of changing tools.
A cet effet, et pour la bonne compréhension de l'invention, on a illustré, figure 1, le schéma de fonctionnement de la machine dans le cadre de découpage adiabatique. Le principe est que le poinçon rentre dans la plaque de tôle avec une vitesse élevée. Lors de l'impact du poinçon sur la plaque de tôle, la pièce reçoit de l'énergie mécanique très localisée. Cette énergie n'a pas le temps de diffuser et crée un échauffement instantané. L'éjection de la partie découpée est provoquée par la viscosité de la matière couplée à l'effort exercé par le poinçon. La mise en œuvre de ce procédé s'effectue avec une machine qui comprend successivement une table de travail (1), un sommier (2), situé dans le plan supérieur horizontal, et en appui sur des moyens amortisseurs (3) de l'énergie transmise par le moyen presseur (4) du type bélier. Les moyens amortisseurs (3) sont guidés et maintenus par des blocs récepteurs (5) verticaux. Le sommier présente une cavité de guidage d'un poussoir (6) vertical agissant en poussée sur un poinçon (7) lui-même guidé par un corps support (8) du poinçon en assurant son guidage. L'extrémité du poinçon est agencée avec un ou des outils (7a - 7b) pour la perforation de la tôle à découper (9), laquelle avance pas à pas (perpendiculairement au plan du dessin). Des moyens (10), disposés entre le corps support (8) du poinçon et la table de travail de la machine, contrôlent le positionnement et l'avance de la tôle, mais ainsi par le biais d'ouvertures autorisent l'évacuation des parties découpées. Ce poinçon est relevé verticalement par des ensembles de vérins (11) qui assurent les différentes positions du poinçon en fonction des étapes de poinçonnage. Ainsi, dans cette mise en œuvre, les vérins de relevage du poinçon se trouvent sur la table de travail de la machine et viennent encombrer son environnement.For this purpose, and for a good understanding of the invention, FIG. 1 illustrates the operating diagram of the machine in the adiabatic cutting frame. The principle is that the punch enters the sheet metal plate with a high speed. During the impact of the punch on the sheet metal plate, the part receives very localized mechanical energy. This energy does not have time to broadcast and creates an instant warm-up. The ejection of the cut portion is caused by the viscosity of the material coupled to the force exerted by the punch. The implementation of this method is carried out with a machine which successively comprises a table of work (1), a bed base (2), located in the horizontal upper plane, and bearing on damping means (3) of the energy transmitted by the pressing means (4) of the ram type. The damping means (3) are guided and maintained by vertical receiver blocks (5). The bed base has a guide cavity of a vertical pusher (6) acting in thrust on a punch (7) itself guided by a support body (8) of the punch ensuring its guidance. The end of the punch is arranged with one or more tools (7a-7b) for perforating the cutting sheet (9), which advances step by step (perpendicular to the plane of the drawing). Means (10), arranged between the support body (8) of the punch and the work table of the machine, control the positioning and advance of the sheet, but so through openings allow the evacuation of parts cut. This punch is raised vertically by sets of cylinders (11) which provide the different positions of the punch according to the punching steps. Thus, in this implementation, the lifting cylinders of the punch are on the work table of the machine and encumber his environment.
Cela présente, en pratique, un certain nombre d'inconvénients, à savoir :This has, in practice, a number of disadvantages, namely:
- la surface perdue par la présence des vérins et de leur moyen support sur la table de travail de la machine limite la taille des outils que l'on ne peut monter de par l'encombrement existant.- The area lost by the presence of the cylinders and their support means on the work table of the machine limits the size of tools that can not be mounted by the existing size.
- les vérins gênent l'accès pour le montage et le démontage des outils et donc diminuent le temps productif de la machine.- Cylinders interfere with access for mounting and dismounting tools and thus reduce the productive time of the machine.
- le câblage hydraulique et les capteurs de position des vérins se trouvent dans l'aire de travail de la machine. L'ensemble de ces inconvénients ont amené le demandeur à réfléchir à une nouvelle conception du dispositif de relevage du poinçon qui permette de s'affranchir de ces contraintes, de libérer la zone entourant les outils et la table de travail de la machine et qui, globalement, permette une amélioration de la productivité de la machine.- the hydraulic wiring and the position sensors of the cylinders are in the working area of the machine. All these drawbacks have led the applicant to think about a new design of the punch lifting device that allows to overcome these constraints, to release the area surrounding the tools and the work table of the machine and which, overall, allows an improvement in the productivity of the machine.
Selon une première caractéristique, le dispositif de relevage de poinçon pour machine du type utilisant la transformation de l'énergie adiabatique, la machine étant du type incluant une table de travail, un corps support de poinçon, un poinçon et des vérins élévateurs du poinçon, est remarquable en ce que la table de travail et le bloc de guidage du poinçon sont agencés pour constituer des moyens autorisant le positionnement et le déplacement de couples de poussoirs de remontage disposés deux à deux en alignement et sollicités par des vérins disposés sous la table de travail de la machine, le poussoir supérieur coulissant dans le corps de guidage étant apte à coopérer avec le poinçon pour le soulever selon certaines phases opératoires.According to a first characteristic, the punching device for a machine of the type using the adiabatic energy transformation, the machine being of the type including a worktable, a punch support body, a punch and lift cylinders of the punch, is remarkable in that the worktable and the punch guide block are arranged to constitute means allowing the positioning and the displacement of pairs of reassembly pushers arranged two by two in alignment and solicited by jacks arranged under the table of working of the machine, the upper slide sliding in the guide body being adapted to cooperate with the punch to lift according to certain operating phases.
Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These and other characteristics will be apparent from the rest of the description.
Pour fixer l'objet de l'invention illustrée de manière non limitative aux figures des dessins où :For fixing the object of the invention illustrated in a nonlimiting manner to the figures of the drawings where:
- la figure 1 est une vue à caractère schématique du principe de fonctionnement d'une machine selon l'art antérieur à partir duquel l'invention a été développée.- Figure 1 is a schematic view of the principle of operation of a machine according to the prior art from which the invention was developed.
- la figure 2 est une vue partielle, le poinçon ayant été relevé, la tôle à découper avancée, puis le poinçon abaissé sur cette tôle. - la figure 3 est une vue partielle à grande échelle de la partie cerclée selon la figure 2.- Figure 2 is a partial view, the punch having been raised, the cutting sheet advanced, and the punch lowered on the sheet. FIG. 3 is a partial view on a large scale of the portion circled according to FIG. 2.
- la figure 4 est une vue partielle et à grande échelle du dispositif autorisant le relevage du poinçon selon l'invention. Sur cette figure, le poinçon n'est pas encore abaissé pour assurer l'opération de découpe ou poinçonnage à laquelle il est destiné.- Figure 4 is a partial view on a large scale of the device allowing the lifting of the punch according to the invention. In this figure, the punch is not yet lowered to ensure the cutting or punching operation for which it is intended.
- la figure 5 est une vue à grande échelle de la partie cerclée figure 4.- Figure 5 is a large-scale view of the part circled Figure 4.
Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.
L'originalité de l'invention relative au dispositif de relevage de poinçon pour machines réside dans la suppression des vérins sur la table de travail de la machine pour laisser libre d'accès à l'outillage pour l'opérateur lors des changements d'outils. Cela est permis par l'utilisation de la table de travail et du bloc de guidage du poinçon comme moyens autorisant le positionnement et le déplacement vertical limité de couples de poussoirs de remontage disposés deux à deux en alignement et sollicités par des vérins disposés sous la table de travail de la machine.The originality of the invention relating to the machine punching lift device lies in the removal of the jacks on the work table of the machine to allow free access to tools for the operator during tool changes. . This is enabled by the use of the worktable and the punch guide block as means allowing the positioning and the limited vertical displacement of pairs of winding pushers arranged two by two in alignment and solicited by jacks arranged under the table working machine.
La table de travail (20) présente, à partir de sa face inférieure, des cavités (20a) verticales et sur toute sa hauteur définissant trois zones spécifiques (20al - 20a2 - 20a3), à savoir :The work table (20) has, from its underside, vertical cavities (20a) and over its entire height defining three specific areas (20a - 20a2 - 20a3), namely:
- La zone (2OaI) définit un logement pour le passage de la tige (21a) d'un vérin (21) dont l'extrémité reçoit une base d'appui et de poussée (21b). Le corps (22) du vérin fixé verticalement de toute manière appropriée par rapport à la face inférieure en regard de ladite table. Les raccordements hydrauliques (21c - 2Id) sont prévus à cet effet.- Zone (2OaI) defines a housing for the passage of the rod (21a) of a cylinder (21), the end receives a support base and thrust (21b). The body (22) of the jack fixed vertically in any suitable manner relative to the underside facing said table. The hydraulic connections (21c - 2Id) are provided for this purpose.
- La zone (20a2), consécutive à la précédente et dans son prolongement vertical, est établie sur une grande longueur et autorise le passage et guidage d'un premier élément poussoir (23) de remontage. Ce poussoir est établi sous forme d'une tige cylindrique ou autre section. L'extrémité inférieure (23a) dudit élément poussoir est en face et en regard de la base d'appui (21b) du vérin (21). L'extrémité supérieure (23b) de l'élément poussoir est agencée en léger retrait de la face supérieure de la table avec un épaulement périphérique (23c) de section plus grande.- The zone (20a2), consecutive to the previous and in its vertical extension, is established over a large length and allows passage and guiding a first pusher element (23) for reassembly. This pusher is established in the form of a cylindrical rod or other section. The lower end (23a) of said pusher element is facing and facing the base (21b) of the cylinder (21). The upper end (23b) of the pusher element is arranged in slight withdrawal from the upper face of the table with a peripheral shoulder (23c) of larger section.
- La zone (20a3) supérieure, en prolongement et en alignement des précédentes, est de section plus large que la section de la zone (20a2) sous jacente pour autoriser ainsi le déplacement contrôlé de la partie supérieure de l'élément poussoir (23). Le raccordement entre les zones (20a2) et (20a3) de section différente constitue justement un plan d'appui et de retenue (2Od) formant butée de l'élément poussoir (23) de remontage. Ainsi, en se référant à la figure 2 et de non sollicitation active du vérin (21), l'élément poussoir de remontage (23) repose en appui sur la butée (2Id). Dans cette situation, l'extrémité supérieure de l'élément poussoir de remontage se trouve sensiblement en retrait du plan horizontal supérieur de la table de travail de la machine, donc sans débordement.- The upper zone (20a3), in extension and in alignment with the preceding, is of wider section than the section of the zone (20a2) underlying to allow the controlled displacement of the upper part of the pusher element (23). . The connection between the zones (20a2) and (20a3) of different section is precisely a support plane and retaining (2Od) forming a stop of the pusher element (23) reassembly. Thus, with reference to FIG. 2 and of non-active solicitation of the jack (21), the winding pushing element (23) rests against the stop (2Id). In this situation, the upper end of the winding pusher element is substantially set back from the upper horizontal plane of the work table of the machine, so without overflow.
Le nombre de vérins (21) et ainsi le nombre d'éléments poussoirs de remontage (23) est préalablement défini par le constructeur. Ces éléments poussoirs (23) et leur cavité réceptrice entourent la cavité d'évacuation (20e) des parties découpées de la plaque travaillée formée dans la table de la machine.The number of cylinders (21) and thus the number of reassembly pushing elements (23) is previously defined by the manufacturer. These push elements (23) and their receiving cavity surround the evacuation cavity (20e) cut parts of the worked plate formed in the table of the machine.
Dans la partie supérieure au-delà de la table de la machine se trouve le corps de guidage (24) du poinçon (25) c'est-à-dire la partie mobile de la tête de la machine. Le poinçon présente une tête (25a) débordante en partie supérieure du corps de guidage et de section plus large que sa partie médiane (25b) guidée dans un alésage (24a) du corps de guidage, la partie inférieure (25c) du poinçon étant aménagée pour la réception des outils de poinçonnage. Ce corps de guidage (24) entoure de manière classique la matrice réceptrice (26) de la plaque à découper ainsi que le guide-bande (27) de ladite plaque. La tête du poinçon est susceptible de prendre appui sur des moyens (28) dont la fonction est décrite dans une autre demande de brevet du demandeur. En variante, le soulèvement du vérin par le poussoir (30) s'effectue par l'intermédiaire de la cale de battage sur laquelle appui la tête de vérin. Cette cale est poussée par l'extrémité supérieure des poussoirs. Dans ce cas, la tête du poinçon est plus courte et sa masse réduite. Cette variante n'est pas illustrée. Ainsi, le poinçon coopère directement ou indirectement avec le poussoir (30) selon les modes de réalisation, la fonction étant la même.In the upper part beyond the table of the machine is the guide body (24) of the punch (25) that is to say the movable part of the head of the machine. The punch has a head (25a) protruding in the upper part of the guide body and wider in section than its middle portion (25b) guided in a bore (24a) of the guide body, the lower portion (25c) of the punch being arranged for receiving punching tools. This guide body (24) conventionally surrounds the receiving die (26) of the cutting plate and the web guide (27) of said plate. The punch head may be supported on means (28) whose function is described in another applicant's patent application. Alternatively, lifting the jack by the pusher (30) is effected by means of the threshing wedge on which the cylinder head is supported. This wedge is pushed by the upper end of the pushers. In this case, the punch head is shorter and its mass reduced. This variant is not illustrated. Thus, the punch cooperates directly or indirectly with the pusher (30) according to the embodiments, the function being the same.
Selon l'invention, le corps de guidage est agencé avec une pluralité de trous (29) traversant verticalement, et ce en étant positionnés en alignement axial de chacune des cavités formées dans la table de travail et autorisant le passage des éléments poussoirs de remontage. Ces trous (29) en nombre identique à celui des cavités sous jacentes autorisent le positionnement d'un second élément poussoir de remontage (30). Chaque élément poussoir (30) est de longueur plus importante que la hauteur du coφs de guidage du poinçon de manière à déborder dans le plan supérieur, dans une configuration en tête (30a) épaulée de section plus importante que la partie intégrée dans le corps de guidage. Ainsi, ladite tête (30a) vient reposer en appui sur la face supérieure horizontale du corps de guidage. L'extrémité inférieure (30b) dudit élément poussoir ne déborde pas du plan inférieur horizontal du moyen de guidage du poinçon. La disposition de ces éléments poussoirs (30) est telle qu'ils soient en regard inférieur sur la tête (25a) du poinçon.According to the invention, the guide body is arranged with a plurality of holes (29) traversing vertically, and this being positioned in axial alignment of each of the cavities formed in the work table and allowing the passage of the pushing elements reassembly. These holes (29) in number identical to that of the underlying cavities allow the positioning of a second winding pusher element (30). Each pusher element (30) is longer than the height of the coφs guide the punch so as to overflow in the upper plane, in a head configuration (30a) shouldered larger section than the integrated part in the guide body. Thus, said head (30a) rests against the horizontal upper surface of the guide body. The lower end (30b) of said pusher member does not protrude from the horizontal lower plane of the punch guide means. The arrangement of these pusher elements (30) is such that they are facing lower on the head (25a) of the punch.
Ainsi, dans la configuration de la figure 4, en situation de non sollicitation, les éléments poussoirs (23 et 30) ne se touchent pas et n'ont aucune action commune. On définit ainsi des couples de poussoirs (23 - 30) de remontage disposés en alignement vertical. La figure 5 illustre parfaitement cette position relative. Leur nombre est défini par le constructeur selon les applications désirées. Autour du poinçon et de son corps de guidage, on retrouve des moyens connus de la machine, à savoir un sommier (31) horizontal en appui et guidé sur des moyens (32) absorbeurs de l'énergie adiabatique transmise par la force de frappe du bélier (non représenté).Thus, in the configuration of FIG. 4, in a non-solicitation situation, the pushing elements (23 and 30) do not touch each other and have no common action. Thus, pairs of pushers (23-30) for winding arranged in vertical alignment are defined. Figure 5 perfectly illustrates this relative position. Their number is defined by the manufacturer according to the desired applications. Around the punch and its guide body, there are known means of the machine, namely a horizontal base (31) supported and guided on means (32) absorbers of the adiabatic energy transmitted by the striking force of the ram (not shown).
En se référant aux figures 2 et 3 des dessins, après poinçonnage de la plaque à découper, l'activation des vérins (21) va entraîner l'élévation de leur tige et donc la mise en contact des butées d'appui (21b) qui leur sont associées avec les éléments poussoirs (23) inférieurs de remontage. Ceux-ci vont être soulevés et, à leur tour, ils vont entrer en contact avec les éléments poussoirs (30) supérieurs et les soulever jusqu'à provoquer le soulèvement du poinçon par le contact avec la tête du poinçon. Le déplacement reste cependant limité de par le contact du poinçon avec la base du sommier. Cette mise en œuvre permet de modifier sans peine la position des outils de poinçonnage, après leur démarrage par enlèvement transversal du bloc outil.Referring to Figures 2 and 3 of the drawings, after punching the plate to be cut, activation of the cylinders (21) will cause the elevation of their rod and therefore the contacting of the bearing stops (21b) which they are associated with the lower pushing elements (23) reassembly. These will be lifted and, in turn, will come into contact with the upper pusher members (30) and lift them until the punch is lifted by contact with the punch head. The displacement remains however limited by the contact of the punch with the base of the bed base. This implementation makes it possible to easily modify the position of the punching tools, after their starting by transverse removal of the tool block.
La solution apportée par l'invention est simple à mettre en œuvre, peu coûteuse et répond totalement à l'objectif visé. The solution provided by the invention is simple to implement, inexpensive and fully meets the intended purpose.

Claims

R E V E N D I C A T I O N SR E V E N D I C A T IO N S
-1- Dispositif de relevage de poinçon pour machine du type utilisant la transformation de l'énergie adiabatique, la machine étant du type incluant une table de travail, un corps support de poinçon, un poinçon et des vérins élévateurs du poinçon, caractérisé en ce que la table de travail (20) et le bloc de guidage (24) du poinçon sont agencés pour constituer des moyens autorisant le positionnement et le déplacement de couples de poussoirs de remontage (23 - 30) disposés deux à deux en alignement et sollicités par des vérins (21) disposés sous la table de travail (20) de la machine, le poussoir supérieur (30) coulissant dans le corps de guidage étant apte à coopérer avec le poinçon pour le soulever selon certaines phases opératoires.-1- Punching device for punching machine of the type using the adiabatic energy transformation, the machine being of the type including a worktable, a punch support body, a punch and lift cylinders of the punch, characterized in that that the working table (20) and the guide block (24) of the punch are arranged to constitute means allowing the positioning and the displacement of pairs of reassembling pushers (23-30) arranged in pairs in alignment and solicited by jacks (21) arranged under the work table (20) of the machine, the upper pusher (30) sliding in the guide body being adapted to cooperate with the punch to lift according to certain operating phases.
-2- Dispositif, selon la revendication 1, caractérisé en ce que la table de travail (20) présente, à partir de sa face inférieure, des cavités (20a) verticales et sur toute sa hauteur définissant trois zones spécifiques (20al - 20a2 - 20a3) :-2- Device according to claim 1, characterized in that the working table (20) has, from its lower face, cavities (20a) and vertical over its entire height defining three specific areas (20al - 20a2 - 20a3):
- Une zone (2OaI) définissant un logement pour le passage de la tige (21a) d'un vérin (21) dont l'extrémité reçoit une base d'appui et de poussée (21b).- An area (2OaI) defining a housing for the passage of the rod (21a) of a cylinder (21), the end receives a support base and thrust (21b).
- Une zone (20a2), consécutive à la précédente et dans son prolongement vertical, étant établie sur une grande longueur et autorise le passage et guidage d'un premier élément poussoir (23) de remontage.- A zone (20a2), consecutive to the previous and in its vertical extension, being established over a large length and allows the passage and guiding a first pusher element (23) for reassembly.
- Une zone (20a3) supérieure, en prolongement et en alignement des précédentes, est de section plus large que la section de la zone (20a2) sous jacente pour autoriser ainsi le déplacement contrôlé de la partie supérieure de l'élément poussoir (23), et en ce que le raccordement entre les zones (20a2) et (20a3) de section différente constitue justement un plan d'appui et de retenue (2Od) formant butée de l'élément poussoir (23) de remontage.- An upper zone (20a3), in extension and in alignment with the preceding ones, is of wider section than the section of the zone (20a2) underlying to thereby allow the controlled displacement of the upper part of the pusher element (23), and in that the connection between the zones (20a2) and (20a3) of different section is precisely a support plane and retaining (2Od) forming a stop of the pusher element (23) reassembly.
-3- Dispositif, selon la revendication 2, caractérisé en ce que le vérin (21) est fixé verticalement de toute manière appropriée par rapport à la face inférieure en regard de ladite table.-3- Device according to claim 2, characterized in that the cylinder (21) is fixed vertically in any appropriate manner relative to the underside facing said table.
-4- Dispositif, selon la revendication 2, caractérisé en ce que l'élément poussoir (23) est établi sous forme d'une tige cylindrique ou autre section, et en ce que l'extrémité inférieure (23a) est en face et en regard de la base d'appui (21b) du vérin (21), et en ce que son extrémité supérieure (23b) est agencée en léger retrait avec un épaulement périphérique (23c) de section plus grande.-4- Device according to claim 2, characterized in that the pusher element (23) is established in the form of a cylindrical rod or other section, and in that the lower end (23a) is opposite and in view of the support base (21b) of the cylinder (21), and in that its upper end (23b) is arranged in slight withdrawal with a peripheral shoulder (23c) of larger section.
-5- Dispositif, selon la revendication 4, caractérisé en ce que, en situation de non sollicitation active du vérin (21), l'élément poussoir de remontage (23) repose en appui sur la butée (2Od), et en ce que l'extrémité supérieure de l'élément poussoir de remontage se trouve sensiblement en retrait du plan horizontal supérieur de la table de travail de la machine, donc sans débordement.-5- Device according to claim 4, characterized in that, in the active non-solicitation situation of the jack (21), the winding pusher element (23) rests on the abutment (2Od), and in that the upper end of the winding pusher element is substantially set back from the upper horizontal plane of the work table of the machine, so without overflow.
-6- Dispositif, selon la revendication 4, caractérisé en ce que le nombre de vérins (21) et ainsi le nombre d'éléments poussoirs de remontage (23) est préalablement défini, et en ce que les éléments poussoirs (23) et leur cavité réceptrice entourent la cavité d'évacuation (20e) des parties découpées de la plaque travaillée formée dans la table de la machine.-6- Device according to claim 4, characterized in that the number of cylinders (21) and thus the number of pushing elements reassembly (23) is previously defined, and in that the push elements (23) and their receiving cavity surround the discharge cavity (20e) of the cut portions of the worked plate formed in the machine table.
-7- Dispositif, selon l'une quelconque des revendications 2 à 6, caractérisé en ce que le corps de guidage (24) du poinçon est agencé avec une pluralité de trous (29) traversant verticalement, et ce en étant positionnés en alignement axial de chacune des cavités (20a) formées dans la table de travail et autorisant le passage des éléments poussoirs de remontage (23) et en ce que les trous (29) en nombre identique à celui des cavités (20a) sous jacentes autorisent le positionnement de second élément poussoir de remontage (30).-7- Device according to any one of claims 2 to 6, characterized in that the guide body (24) of the punch is arranged with a plurality of holes (29) traversing vertically, and being positioned in axial alignment each of the cavities (20a) formed in the work table and allowing the passage of the winding pushing elements (23) and in that the holes (29) in number identical to that of the cavities (20a) underlying allow the positioning of second pusher winding element (30).
-8- Dispositif, selon la revendication 7, caractérisé en ce que chaque élément poussoir (30) est de longueur plus importante que la hauteur du corps de guidage du poinçon de manière à déborder dans le plan supérieur, dans une configuration en tête (30a) épaulée de section plus importante que la partie intégrée dans le corps de guidage, et en ce que ladite tête (30a) vient reposer en appui sur la face supérieure horizontale du corps de guidage, en position basse, et en ce que l'extrémité inférieure (30b) dudit élément poussoir (30) ne déborde pas du plan inférieur horizontal du moyen de guidage du poinçon, et en ce que la disposition de ces éléments poussoirs (30) est telle qu'ils soient en regard inférieur sur la tête (25a) du poinçon.-8- Device according to claim 7, characterized in that each pusher element (30) is of greater length than the height of the punch guide body so as to overflow in the upper plane, in a head configuration (30a ) shouldered greater section than the integrated part in the guide body, and in that said head (30a) bears against the horizontal upper face of the guide body, in the lower position, and in that the end lower part (30b) of said pusher element (30) does not protrude from the horizontal lower plane of the punch guide means, and in that the arrangement of these pusher elements (30) is such that they are facing lower on the head ( 25a) of the punch.
-9- Dispositif, selon la revendication 1, caractérisé en ce que le poussoir supérieur (30) est apte à se positionner sous la tête du vérin pour le soulever. -10- Dispositif, selon la revendication 1, caractérisé en ce que le poussoir supérieur (30) est apte à se positionner sous la cale de battage sur laquelle prend appui la tête du vérin pour soulever ledit vérin. -9- Device according to claim 1, characterized in that the upper pusher (30) is adapted to be positioned under the cylinder head to lift. -10- Device according to claim 1, characterized in that the upper pusher (30) is adapted to be positioned under the threshing wedge on which bears the head of the jack to lift said jack.
EP06794530A 2005-08-31 2006-08-04 Machine-type device for raising machine punches of the type using adiabatic energy change Not-in-force EP1919640B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552631A FR2889977B1 (en) 2005-08-31 2005-08-31 PUNCH LIFTING DEVICE FOR MACHINE-TYPE MACHINE USING ADIABATIC ENERGY TRANSFORMATION
PCT/FR2006/050789 WO2007026091A1 (en) 2005-08-31 2006-08-04 Machine-type device for raising machine punches of the type using adiabatic energy change

Publications (2)

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EP1919640A1 true EP1919640A1 (en) 2008-05-14
EP1919640B1 EP1919640B1 (en) 2009-08-19

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EP (1) EP1919640B1 (en)
JP (1) JP2009505841A (en)
CN (1) CN101282798B (en)
AT (1) ATE439925T1 (en)
DE (1) DE602006008633D1 (en)
ES (1) ES2331895T3 (en)
FR (1) FR2889977B1 (en)
WO (1) WO2007026091A1 (en)

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FR3021564B1 (en) * 2014-06-02 2017-01-13 Centre Technique Des Ind Mec ADIABATIC CUTTING PRESS TOOLS
FR3021566B1 (en) * 2014-06-02 2017-01-13 Centre Technique Des Ind Mec IMPROVED ADIABATIC CUTTING PRESS TOOLS
CN105750935A (en) * 2014-12-15 2016-07-13 武汉重型机床集团有限公司 Positioning device for workbench
FR3051378B1 (en) * 2016-05-20 2018-05-11 Centre Technique Des Industries Mecaniques PUNCHING ASSEMBLY FOR ADIABATIC CUTTING PRESS TOOLS
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JP2009505841A (en) 2009-02-12
DE602006008633D1 (en) 2009-10-01
CN101282798A (en) 2008-10-08
EP1919640B1 (en) 2009-08-19
FR2889977B1 (en) 2007-11-02
US20080245206A1 (en) 2008-10-09
ES2331895T3 (en) 2010-01-19
WO2007026091A1 (en) 2007-03-08
ATE439925T1 (en) 2009-09-15
FR2889977A1 (en) 2007-03-02
CN101282798B (en) 2011-10-12

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