The invention relates to a method and a device (1) for producing flow field plates for fuel cells. A flow field plate (93) is formed by joining an anode plate (91) to a cathode plate (92), wherein the anode plate (91) and the cathode plate (92) are produced by forming a substrate plate (98). According to the invention, in order to provide an economical and automated method, a plate which already comprises a reactive coating or catalyst coating is used as substrate plate (98) which is automatically driven by a transport device (2) from the forming device (3) to the joining device (4).
B21D 43/05 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau spécialement adapté aux presses à étages multiples
B23P 19/00 - Machines effectuant simplement l'assemblage ou la séparation de pièces ou d'objets métalliques entre eux ou des pièces métalliques avec des pièces non métalliques, que cela entraîne ou non une certaine déformationOutils ou dispositifs à cet effet dans la mesure où ils ne sont pas prévus dans d'autres classes
2.
METHOD FOR DETERMINING A TRAJECTORY FOR A TRANSFER SYSTEM AND A PRODUCTION DEVICE
The invention relates to a method for determining a trajectory for a transfer system (7) for moving a workpiece (6) through a forming device (1), wherein the forming device (1) comprises at least one tool station (2) which has a lower tool (11) comprising a first interference contour (S1) and an upper tool (12) which comprises a second interference contour (S2) and can be moved back and forth in a vertical z-direction by means of a plunger, wherein the transfer system (7) comprises at least one holder (10) for holding the workpiece (6), which can be moved in an x-direction parallel to a transport direction (T), in the z-direction perpendicular to the x-direction and in a y-direction perpendicular to the x-direction and to the z-direction, by means of which the workpiece (6) held on the lower tool (11) is lifted off, carried in the transport direction and subsequently lowered, the method comprising the following steps: a) manually controlling the transfer system (7) with the workpiece (6) held thereon, so that the workpiece (6) is moved along a first path (W1) in the x- and z-directions along the first interference contour (S1) formed by the lower tool (11), and determining first coordinates (PW1.1 xz - PW1.3xz) of the holder (10) at at least three predefined positions (PW1.1 xz - PW1.3xz) of the first path (W1), and b) determining the trajectory by processing the first coordinates (PW1.1xz- PW1.3xz) with the aid of a predefined algorithm.
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
G05B 19/425 - Apprentissage de positions successives par commande numérique, c.-à-d. des commandes étant introduites pour commander l'asservissement en position de la tête porte-outil ou de l'effecteur de bout de bras
3.
DEVICE FOR CUTTING SHEET METAL PLATES OUT OF A SHEET METAL STRIP
The invention relates to a device for cutting sheet metal plates out of a sheet metal strip (1), comprising: a laser cutting device (2) that can move back and forth in a transport direction (T) of the sheet metal strip (1) as well as in a y-direction running perpendicular to the transport direction; a first conveyor belt whose first end (7) can be moved back and forth together with the laser cutting device (2) in the transport direction (T); a second conveyor belt having a second end (8) opposite the first end (7), which can be moved back and forth in the transport direction (T), wherein the first (7) and the second end (8) are moved in such a way that a laser beam (L) generated by the laser cutting device is directed towards a gap (S) formed between the first (7) and the second end (8) and extending in the y-direction. In order to avoid adhesions to an underside (U) of the sheet metal strip (1), it is proposed that at least one support strip (3, 4) and/or the dust discharge shaft (9) be provided with a ventilation device (12, 13a, 13b, 13c, 14a, 14b) for ventilating the gap (S).
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/02 - Mise en place ou surveillance de la pièce à travailler, p. ex. par rapport au point d'impactAlignement, pointage ou focalisation du faisceau laser
B23K 26/142 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet pour l'enlèvement de résidus
B23K 26/16 - Enlèvement de résidus, p. ex. des particules ou des vapeurs produites pendant le traitement de la pièce à travailler
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
B26D 1/60 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément coupant qui se déplace avec la pièce et monté sur un chariot mobile
4.
METHOD AND DEVICE FOR PRODUCING A SHEET METAL BLANK BY MEANS OF LASER CUTTING
The invention relates to a device for producing a sheet-metal blank (9) by means of laser cutting, comprising a laser cutting device (7) having a back and forth movable laser cutting head (12) extending in a transport direction (T) and in a Y-direction vertically to the transport direction (T), a stretching device (6) for stretching a metal sheet (1) accommodated in the laser cutting device, comprising a first clamping device (16) provided upstream of the laser cutting device (7) for clampingly gripping a first portion of the metal sheet (1), a second clamping device provided upstream of the laser cutting device (7) for clampingly gripping a second portion of the metal sheet (1), and a mechanism (17) for changing a distance between the first (16) and the second clamping device such that a tensile stress is exerted onto a metal sheet (1) that is clampingly gripped therewith.
B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
B23K 101/16 - Bandes ou feuilles de longueur indéterminée
5.
APPARATUS FOR CUTTING METAL PLATES OUT OF A METAL STRIP
The invention relates to an apparatus for cutting metal plates out of a metal strip (1), comprising: a laser cutting apparatus (2) that is movable back and forth in a transport direction (T) of the metal strip (1), a support device (3, 4) for supporting the metal strip (1) to be cut, said support device (3, 4) being movable back and forth in the transport direction concurrently with the laser cutting apparatus (2), wherein the support device comprises a first support means having a first support strip (3) and a second support means having a second support strip (4) located opposite the first support strip (3), wherein the first (3) and the second support strip (4) are moved concurrently with the laser cutting apparatus (2) such that a laser beam (L) of the laser cutting apparatus (2) is always oriented towards a gap (S) formed between the first (3) and the second support strip (4), and a dust discharging device (9) arranged downstream of the support strips (3, 4) in a discharging direction (A) directed away from the laser cutting apparatus (2). In order to avoid adhesions to an underside (U) of the metal strip (1), it is proposed that at least one support strip (3, 4) and/or the dust discharge shaft (9) be provided with a ventilation device (12, 13a, 13b, 13c, 14a, 14b) for ventilating the gap (S).
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/142 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet pour l'enlèvement de résidus
B23K 26/16 - Enlèvement de résidus, p. ex. des particules ou des vapeurs produites pendant le traitement de la pièce à travailler
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
6.
METHOD AND DEVICE FOR PRODUCING A SHEET METAL BLANK
The invention relates to a method for producing a sheet metal blank (12) having a predetermined contour, which has the following steps: continuous movement of the sheet metal strip (2) in the conveying direction x, simultaneous surface removal of material on a surface (O) of a sheet metal strip (2) in at least one predetermined surface section (7, 16) by ablation by means of a first laser (6), which is a an integral part of a first removal device, and subsequent simultaneous cutting of the sheet metal strip (2) along a cutting path (11) corresponding to contour of the sheet metal blank (12) by means of at least one second laser (10) which is an integral part of a cutting device provided downstream of the first removal device, wherein the production of the surface section on an upstream sheet metal blank and the simultaneous cutting of a downstream sheet metal blank occurs simultaneously.
The invention relates to a method for correcting a predetermined cutting path for cutting a sheet metal blank from a metal strip continuously transported in a transport direction x, which is tensioned incorrectly, non-parallel to the strip path. In order to determine said angled position, the position (x1y1) of a point (P) is detected and then the metal strip can be moved about a predefined first distance (dx1) in the direction of transport (x), the position (x2y2) of the point is detected again. The difference of the y-coordinates (y1-y2) is used to determine the correction value (Ky1) for correcting the cutting path. Said metal strip can also have a curvature and/or bend about the edge. In order to determine the curvature, a third position (x3y3) is determined. The difference of the y-coordinate (y2-y3) is used to determine the correction value (Ky2) for correcting a cutting path.
G05B 19/402 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour le positionnement, p. ex. centrage d'un outil par rapport à un trou dans la pièce à usiner, moyens de détection additionnels pour corriger la position
G01B 11/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
B23Q 15/22 - Commande ou régulation de la position de l'outil ou de la pièce
B23K 26/02 - Mise en place ou surveillance de la pièce à travailler, p. ex. par rapport au point d'impactAlignement, pointage ou focalisation du faisceau laser
8.
METHOD AND APPARATUS FOR PRODUCING A SHAPED SHEET METAL PART
The invention relates to an apparatus and a method for producing a shaped sheet metal part (13) comprising the following steps: • continuously feeding a sheet metal strip (2) unwound from a reel (3) to a beam cutting device (5), • concurrent cutting by means of the beam cutting device (5) of a blank (6) from the sheet metal strip (2) moved at a constant speed, wherein a period of time for producing the blank (6) defines a cycle, • receiving the blank (6) by means of a first transfer device (8) operating in time with the cycle, • passing on the blank (6) by means of the first transfer device (8) to a shaping device (10, 11, 12, 14, 15) operating in time with the cycle, and • shaping the blank (6) into the shaped sheet metal part (13) by means of the shaping device (10, 11, 12, 14, 15).
B21D 24/16 - Équipement additionnel associé aux outils, p. ex. pour cisailler, pour ébarber
B21D 26/02 - Mise en forme sans coupage, autrement qu'en utilisant des dispositifs ou outils rigides, des masses souples ou élastiques, p. ex. mise en forme en appliquant une pression de fluide ou des forces magnétiques en appliquant une pression de fluide
B23K 26/38 - Enlèvement de matière par perçage ou découpage
The invention relates to a method for cutting a sheet metal blank (2) having a predetermined contour (K) from a metal strip (1) that is continuously conveyed in a transport direction (x). The method comprises the following steps: providing at least one laser cutting apparatus having at least one laser cutting head (L, L1, L2, L3) that can be moved in the transport direction (x) and in a y direction perpendicular thereto, and a control device for controlling the movement of the laser cutting head (L, L1, L2, L3) along a cutting path that corresponds to the predetermined contour (K); continuously measuring a first distance (I1) of a first strip edge of the metal strip (1) from a fixed first measurement point in the y direction by means of a first distance measuring device (3) provided upstream of the laser cutting apparatus; transmitting first distance measurement values to the control device; calculating a corrected cutting path while using a predetermined cutting path and the first distance measurement values by means of a control program of the control device; and producing a cut in the metal strip (1) by moving the laser cutting head (L, L1, L2, L3) along the corrected cutting path.
The invention relates to a method for cutting a sheet metal blank (5) having a predetermined contour (K) from a metal strip (1) that is continuously conveyed in a transport direction (x). The method comprises the following steps: providing at least one laser cutting apparatus (2) having at least one laser cutting head (L1, L2, L3) that can be moved in the transport direction (x) and in a y direction perpendicular thereto, and a control device for controlling the movement of the laser cutting head (L1, L2, L3) in accordance with a control program producing the predetermined contour (K); continuously measuring a path (∆XStrip) of the metal strip (1) with regard to the transport direction (x) by means of a path measurement device provided upstream of the laser cutting apparatus (2); and dynamically calculating the movements of the at least one the laser cutting head (L1, L2, L3) by means of the control program while using the path measurement values provided by the path measurement device.
The invention relates to a transport device (1) in a forming system, in particular for metallic workpieces (31, 32), having several forming stations (21 - 23), said device also comprises one or several rails (13) on which carriages (141, 142) can be moved. In conventional rails methods, two carriages (141, 142) on the same rail (13) can be moved at various distances with respect to each other when transporting a respective workpiece (31, 32) from one forming station (21 - 23) to another forming station (21 - 23), that is, when moving in particular, when increasing or reducing the distance with respect to each other on each other or moving away from each other. As a result, novel production sequences are provided
B21D 43/05 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau spécialement adapté aux presses à étages multiples
B23K 37/047 - Déplacement des pièces pour ajuster leur position entre les étapes de brasage, de soudage ou de découpage
12.
Device and method for unstacking plate-shaped parts
B65G 61/00 - Utilisation d'appareils de prise ou de transfert, ou de manipulateurs, pour empiler ou désempiler des objets, non prévus ailleurs
B65G 49/05 - Systèmes transporteurs caractérisés par leur utilisation à des fins particulières, non prévus ailleurs pour des matériaux ou objets fragiles ou dommageables
B65G 49/06 - Systèmes transporteurs caractérisés par leur utilisation à des fins particulières, non prévus ailleurs pour des matériaux ou objets fragiles ou dommageables pour des feuilles fragiles, p. ex. en verre
B65G 59/04 - Désempilage par le haut de la pile par aspiration ou dispositifs magnétiques
B65H 3/08 - Enlèvement des articles des piles en utilisant la force pneumatique
B65H 3/40 - Enlèvement des articles des piles par plusieurs séparateurs agissant alternativement sur la même pile
B21D 43/24 - Dispositifs pour retirer les tôles d'une pile
13.
Device and method for aligning the position of plate-shaped parts
A device is proposed for the positional orientation of plate-shaped parts (12), comprising continuous conveying equipment (13) for conveying plate-shaped parts (12), an optical measuring device (15) assigned to the continuous conveying equipment (13) for determining the actual position of at least one specific plate-shaped part (12) and for comparing this actual position to a stored set position and for determining the deviation of the actual position from the set position, and a control unit (20) coupled to the optical measuring device (15) for controlling a positioning unit (19) such that at least one specific plate-shaped part (12) the deviation of which from the set position was determined can be picked up by the positioning unit (19) in a pick-up region and deposited in a defined delivery region in the correct position corresponding to the set position for transfer on the continuous conveying equipment (13).
G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
B65H 9/10 - Poussoirs ou positionneurs mobiles analoguesAppareils poussoirs ou pinces déplaçant les articles en position de repère
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
G01B 11/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes
B21D 43/10 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de pinces ou de griffes
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
B21D 43/11 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de pinces ou de griffes pour l'alimentation de matières en feuilles ou en bandes
B23Q 7/18 - Orientation des pièces sur les convoyeurs
The invention relates to a device for aligning the position of plate-shaped parts (12), comprising a continuous conveyor device (13) for conveying plate-shaped parts (12), an optical measuring device that is associated with the continuous conveyor device (13) and that is used to determine the actual position of at least one specific plate-shaped part (12) and that compares the determined actual position to a stored desired position and determines the difference in the position of the actual position in relation to the desired position, a control device (20) that is coupled to the optical measuring device (15) for controlling a positioning unit (19) in such a manner that at least one specific plate-shaped part (12), the difference in position in relation to the desired position being determined, can be received on the receiving area by the positioning unit (19) and can be deposited on a defined depositing area in a precise position corresponding to the desired position, for further transportation on the continuous conveyor device (13).
B21D 43/11 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de pinces ou de griffes pour l'alimentation de matières en feuilles ou en bandes
B21D 43/00 - Dispositifs d'alimentation, de positionnement ou de stockage combinés à des appareils pour travailler ou traiter les tôles, les tubes ou les profilés, disposés dans ces appareils ou spécialement adaptés pour être utilisés en association avec ces appareilsAssociation de dispositifs de coupe avec ces appareils
15.
DEVICE AND METHOD FOR UNSTACKING PLATE-SHAPED PARTS
The invention relates to a device for unstacking plate-shaped parts (12), in particular metallic steel sheets, comprising at least one supply station (13) in which at least one stack (14) of plate-shaped parts (12) are arranged, and at least one conveyor station (15) on which the plate-shaped parts (12) are further transported in an unstacked manner. An unstacking unit (17) is provided in order to transfer the plate-shaped parts (12) between the supply station (13) and the conveyor station (15), said unstacking unit (17) engaging with the stack of parts (14) and removing, piece-by-piece, plate-shaped parts (12) in an unstacked manner from said stack of parts (14) and depositing them on the conveyor station (15). The unstacking unit (17) comprises two robots (18a, 18b) that work independently from each other, that engage in an alternating manner on a common stack of parts (14) of the supply station (13) and are controlled by a control device (19) in such a manner that one first or one second robot (18a, 18b) removes a plate-shaped part (12) from the stack of parts (14), and simultaneously the first robot (18a, 18b) deposits a removed, plate-shaped part on the conveyor station (15).
The invention relates to a device and a method for combined flat and edge alignment of a metal strip (2), the device having a first roller alignment machine (3) comprising a plurality of upper (9) and lower horizontal bending rollers (8) and a first edge guide device (4) disposed downstream of the first roller alignment machine (3) in the transport direction (T) of the metal strip (2). In order to produce a flat- and edge-aligned metal strip (2) with a constant metal thickness, the invention proposes that the first edge guide device (4) be disposed relative to the first roller alignment machine (3) in a floating fashion substantially transverse to the transport direction (T) of the metal strip (2).
B21D 1/02 - Redressage, remise en forme ou élimination des distorsions locales des tôles ou d'objets déterminés faits à partir de tôlesÉtirage des feuilles métalliques combiné avec le laminage au moyen de rouleaux matriceurs
In a multi-axis articulated arm robot for transferring workpieces, there is a robot base, on which a movement unit is able to be pivoted about a first axis, which is vertical in an operational state. The movement unit has a pivoting part adjacent to the base, an articulated arm constituted by a top arm and a bottom arm, such top arm being connected for pivoting at one end about a horizontal second axis with the pivoting part at the other end is connected with the adjacent end of the bottom arm for pivoting about a horizontal third axis, a rotary member arranged at the bottom arm's end opposite to the top arm, such rotary member being able to be rotated about a fourth axis extending in the longitudinal direction of the bottom arm, a pivoting member connected with the rotary member for pivoting about a fifth axis extending athwart the fourth axis, and a supporting part rotatingly connected with the pivoting member, such supporting part extending athwart the fifth axis. On the supporting part a holding means of a lifting means, associated with the workpieces to be transferred, and more particularly a vacuum suction means, is arranged for rotation about a seventh axis. The supporting part is directed in the direction of the sixth axis away from the pivoting member. The seventh axis is directed athwart the sixth axis.
brevets
