EP1748855B1 - Dispositif pour le deplacement pas a pas de pieces a usiner - Google Patents

Dispositif pour le deplacement pas a pas de pieces a usiner Download PDF

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Publication number
EP1748855B1
EP1748855B1 EP05739886A EP05739886A EP1748855B1 EP 1748855 B1 EP1748855 B1 EP 1748855B1 EP 05739886 A EP05739886 A EP 05739886A EP 05739886 A EP05739886 A EP 05739886A EP 1748855 B1 EP1748855 B1 EP 1748855B1
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EP
European Patent Office
Prior art keywords
gripper
gripper rail
levers
rail
rails
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.)
Expired - Lifetime
Application number
EP05739886A
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German (de)
English (en)
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EP1748855A1 (fr
Inventor
Klemens Nock
Theo Pfeifer
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.)
Erdrich Beteiligungs GmbH
Original Assignee
Erdrich Beteiligungs GmbH
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Filing date
Publication date
Application filed by Erdrich Beteiligungs GmbH filed Critical Erdrich Beteiligungs GmbH
Publication of EP1748855A1 publication Critical patent/EP1748855A1/fr
Application granted granted Critical
Publication of EP1748855B1 publication Critical patent/EP1748855B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • B21D43/055—Devices comprising a pair of longitudinally and laterally movable parallel transfer bars

Definitions

  • the invention relates to a device for the stepwise displacement of workpieces, in particular within a press, with at least one or two reciprocating in the feed direction for the feed and return movement, gripper parts or gripping areas for detecting the workpieces having gripper rail (s) for detecting the workpieces and to move in the feed direction then again in the initial position is adjustable, and at the / the gripper rail (s) attack at least two parallel or mirror synchronous to each other in the plane of movement, in a plane parallel thereto or in an oblique plane pivotable lever and in a device with two parallel gripper rails these levers of a gripper rail in opposite directions to those of the other gripper rail are pivotable.
  • Such a device with two parallel gripper rails is made DE 102 06 773 C1 known, which is cited in this document further prior art concerning such gripper rails.
  • This device has proven particularly in such presses, in which the gripper rails between the press rests these are arranged outstanding in their longitudinal direction and in the feed direction of the workpieces. It is advantageous that only the gripper rails and the workpieces detected therefrom and optionally located on the gripper rails gripper or gripper parts, so relatively small masses must be moved.
  • presses are also known in which the spacings of the press stands are too small to allow the gripper rails to protrude between these uprights. In such presses so the gripper rails must be arranged within the interstices of the press stand and also reciprocated, so that only a limited space is available for the drive for these movements of the gripper rails.
  • the device defined at the outset is characterized in that the two pivotally hinged to the gripper rail hinged lever with their ends facing away from the gripper rail or regions on parallel to the extension direction of the gripper rail to each other or wegbewegbaren sliding parts and attack for the outward and Movements of the gripper rail transversely to its longitudinal extent, the distance of these sliding parts changeable and the gripper rail is forcibly guided transversely to its longitudinal direction.
  • the drive for the transverse movement of the gripper rail thus initially causes a movement parallel to this gripper rail namely on the sliding parts.
  • the lever is pivoted, whereby this parallel movement of the sliding parts is converted via the lever in a transverse movement of the gripper rail.
  • Movements for an adjustment drive taking place transversely to the longitudinal extent of the gripper rail can therefore be avoided, so that the drive and the levers can be arranged within or largely within the outline of the press stand, for example between two such press stands, so that not only none above the outline the press stand transverse movements to this outline, but the drive can also be largely accommodated within this outline of the press or at least within the usual outline of protective doors on such presses.
  • the levers and the drive of the sliding parts can thus at least partially within the outline of stands of the press, in particular between two press stands, which are adjacent to each other in the feed direction, may be arranged.
  • a space-saving arrangement not only of the gripper rails, but also their drive within the press is possible, which also facilitates the operator's observation and control.
  • the drive for the advancing movements of the gripper rail or gripper rails in the longitudinal direction thereof is at least partially disposed within the outline of the stator of the press.
  • the gripper rails can be moved after the detection of workpieces in their longitudinal direction without the required drive over the outline or layout of the press must protrude considerably.
  • it can also be located completely within the outline or outline of the press.
  • An effective and space-saving forced guidance for the transverse movement of the respective gripper rail can be achieved by pivoting arms are articulated to the levers between their points of attack on the gripper rail and the respective sliding part, with their end facing away from the articulation point and the gripper rail on displacement or stationary bearings are pivotally mounted, and that the distance of the sliding part on the one hand and the sliding element or bearing on the other hand, for the transverse adjustment or during the transverse adjustment of the gripper rail is variable or enlarged.
  • the respective lever is thus stabilized with a swivel arm, so that the adjustment of Sliding parts for changing their respective distances to a safe and precise parallel adjustment of the gripper rail leads.
  • a further development can provide that the pivot arm crosses the lever at the joint pivot point and also acts on the gripper rail via a joint, the pivot points of the lever and pivotally mounted thereto pivot arm on the gripper rail with respect to their distance when adjusting the gripper rail transversely to him itself is changeable analogously to the distance of the displacement part and the displacement element.
  • the gripper rail is practically detected by one or two scissors and adjusted transversely to itself, while in the case in which the swivel arm is not enough to the gripper rail can be spoken of a "half-scissors".
  • the "half-scissors" have the advantage that a joint close to the hoop rail can be saved.
  • the lever arm and the gripper rail remote from the articulation point of the pivot arm stationary and adjacent thereto, located on the sliding part pivot point of the lever relative thereto - parallel to the longitudinal extent of the gripper rail - is adjustable.
  • an adjustment can be avoided or possibly formed as a stationary part or bearing on which the corresponding pivot arm must perform only pivotal movements.
  • the entire kinematics in the transverse adjustment of the gripper rail by changing the distance of the sliding parts for the corresponding pivoting of the lever.
  • the two sliding parts of the two acting on a gripper rail lever can be moved away from each other for adjusting the gripper rail closer to these sliding parts and for the - opposite - gripping movement wegbewegbar and the articulation points of the pivot lever in particular be stationary.
  • the gripper rail or gripper rails can be moved after the detection of workpieces in their longitudinal direction - ie in the feed direction - that the remote from the gripper rail pivot points of the lever and the pivot arms are adjustable by means of slides on a parallel to the gripper rail guide and that for this adjusting movement, for example, a spindle motor or working cylinder or a linear drive are provided.
  • a slide is understood to mean a part which engages with a counter guide on a guide and thereby engages in this guide and / or engages around the guide.
  • the entire arrangement of gripper rail, lever, swivel arm and their articulation points including sliding parts can be adjusted to perform the desired feed movement of the gripper rail and their back adjustment.
  • the sliding parts - for the transverse adjustment of the gripper rail - may have a two opposing threaded portions having spindle and the sliding parts opposing thread having spindle nuts, which engage the respective threaded portions of the spindle, and the spindle may have a single drive motor.
  • a single drive motor suffices, so that this drive can be space-saving and inexpensive.
  • the carriages which have the articulation points of the levers and the pivot arms facing away from the gripper rail and belong to a gripper rail, can be coupled together or in particular connected via a connecting rod, so that a single feed drive can suffice for each gripper rail, which can jointly adjust these coupled carriages ,
  • a particularly expedient refinement of the invention which is particularly advantageous for receiving larger masses or weights, may be that the pivoting arm acting on the respective lever can be moved in a plane which runs obliquely to the plane in which the levers are movable. This results in a tensile or compressive loading of the pivot arms, whereby the bending stiffness of the entire lever and Schwenkarm arrangement can be increased, so that heavier rails and / or heavier workpieces and / or lighter levers and / or pivot arms are made possible.
  • the one or more pivot arms relative to the plane of movement the lever extending obliquely upwards or obliquely downward regardless of whether the plane of movement of the lever is arranged horizontally or also obliquely upwards or obliquely downwards relative to a horizontal plane. It is important for the stiffening of the scissors or half-scissors drive that the ends of the pivot arms facing away from the levers and the adjacent ends of the levers are arranged at different heights and the pivot arms approach the levers in the direction of the common joint. This results in good stiffening of the levers and pivot arms, with an arrangement of the end of the pivot arm above the end of the lever making the pivot arm a tension rod and, when placed below the end of the lever, a push rod.
  • the drive devices for the gripper rails can be mounted on vertical guides or threaded spindles and moved up and down, so that the gripper rails detected objects can also be raised and / or discontinued.
  • a lifting unit may be provided for each press stand, which makes it possible to carry out an overstroke upwards or downwards with respect to the transport plane, wherein a pneumatic mass balance can be provided.
  • the front and rear lifting units in the feed direction can be connected to a basic cross member, on which the feed drive for the gripper rails can be mounted.
  • a device generally designated 1 is used in particular for stepwise advancement of workpieces not shown within an only partially shown or indicated press 2, in which the workpieces are subjected to an additional machining operation after each feed movement or after a feed step.
  • the 3 to 8 are the centers of the press 2 between their press dies 3 indicated by dash-dotted lines, the longitudinal center with LM and the transverse center are marked with QM.
  • the device 1 has two parallel, also parallel to the longitudinal center LM, in their longitudinal direction and thus movable in the feed direction and retractable gripper rails 4 on which in a manner not shown, but known manner gripper parts or gripper areas are provided for detecting the workpieces. It is through Fig. 3 to 8 at the same time indicated that a device 1 could also be provided with only one gripper rail 4, if this has corresponding gripper or gripper parts for the workpieces.
  • the respective gripper rail 4 is parallel to itself, in the case of two gripper rails 4 to each other and to release again opposite movable, while for advancing the already mentioned movements in the longitudinal extension direction of the gripper rails 4 are provided.
  • the gripper rails 4 each engage two parallel or mirror-synchronous to each other in the respective plane of movement, in a plane parallel thereto or in a tiltable lever 5 to pivot, wherein in a device 1 with two parallel gripper rails 4 according to FIG of a gripper rail 4 in opposite directions to those of the other gripper rail 4 are pivotable, as in Fig.2 is recognizable.
  • Fig. 2 to 8 It is shown that the two hinged to the gripper rail 4 pivotally hinged lever 5 pivotally attack with their the gripper rail 4 opposite ends or areas on parallel to the extension direction of the gripper rail 4 toward or away movable sliding parts 6, wherein the comparison of Fig. 4 and 5 or 3 and 6 makes it clear that for the reciprocating movements of the gripper rails 4 transversely to its longitudinal extent or parallel to itself, the distance of these sliding parts 6 is variable, wherein the respective gripper rail 4 is also forcibly guided in a manner to be described laterally to its longitudinal direction.
  • the drive 8 for the feed movements of the gripper rail 4 or gripper rails 4 in the longitudinal extension direction is according to 2 to 8 at least partially disposed within the outline of the stator 3 of the press 2, wherein the low in Fig.2 recognizable supernatant can be accommodated in any case within the usual outlines of located on such presses 2 guard doors.
  • pivot arms 11 are hinged articulated again on the levers 5 between the articulated points of attack 9 on the gripper rail 4 and the articulated points of attack 10 on the respective sliding part 6, with their this pivot point 12th and the gripper rail 4 opposite end are pivotally mounted on sliding elements or stationary bearings 13.
  • the distance between the sliding part 6 on the one hand and the displacement element or bearing 13 on the other hand is changeable and / or enlargeable for the transverse adjustment or during the transverse adjustment of the gripper rail 4, as is the comparison of Fig. 4 and 5 or 7 and 8 illustrates.
  • the pivot arm 11 extends only between its pivot point 12 and the bearing 13, which results in a relatively simple kinematics with the aid of the lever mechanism, consisting of lever 5 and pivot arm 11. Practically, this arrangement corresponds to a "half scissors", which allows effective transverse adjustment of the gripper rail 4.
  • the pivot arm 11 crosses the lever 5 at the joint pivot point 12 and also acts on the gripper rail via a hinge 14, wherein the articulation points 9 and 14 of the lever 5 and pivotable thereto the pivot arm 11 on the gripper rail 4 with respect to their distance Adjusting the gripper rail 4 transversely to itself analogously to the distance of the sliding part 6 and the displacement element or bearing 13 is variable, as is the comparison of Fig. 7 and 8th clarified.
  • the joints 14 of the pivot arms 11 are similar to each other as the sliding parts 6 of the lever 5. It is in This case in the arrangement of lever 5 and pivot arm 11 to "real" scissors, that is, in the embodiment according to Figure 7 and 8th the gripper rails 4 are adjustable and positively guided by scissor drives transversely and parallel to themselves.
  • lever and the gripper rail 4 facing away, located on the bearing 13 pivot point of the pivot arm 11 as well as the articulation points 9 of the lever 5 are fixed to the gripper rail, so in the embodiment according to Fig. 2 to 6 only the located at the respective sliding part 6 articulation point 10 of the lever 5 must be adjusted.
  • the two sliding parts 6 of the two acting on a gripper rail 4 lever 5 are thus for adjusting the gripper rail 4 closer to these sliding parts 6 toward each other and for the gripping movement of two gripper rails 4 from each other or apart.
  • the articulation points on the bearings 13 of the pivot lever 11 remain stationary in an advantageous manner.
  • the gripper rails 4 after the detection of workpieces, ie in the position, for example, according to Fig.2 and 3 in their longitudinal direction in the position according to Figure 4 are movable.
  • This can be done in the embodiments in that the respectively remote from the gripper rail 4 articulation points 10 of the lever 5 and the articulation points or bearings 13 of the pivot arms 11 by means of slide 15a on a parallel to the gripper rail 4 arranged guide 15 are adjustable and that for this adjustment
  • a spindle motor 8 with the threaded spindle 8a and 8a by the rotation of the threaded spindle axially adjustable, with the or the carriage 15a directly or indirectly connected spindle nut 8b or instead Working cylinder or other linear drive are provided.
  • a two opposing threaded portions having spindle 16 and the sliding parts 6 opposing thread having spindle nuts 17 are provided on which the respective threaded portions of the spindle 16 rotatable attack, wherein for the spindle 16, a single drive motor 7 is sufficient to move both sliding parts 6 toward or away from each other.
  • the guide 18 of the adjustable by means of the spindle nuts 17 sliding parts 6 can be clearly seen in the 2 to 8 , It is also clear that this guide 18 and thus the displacement of the sliding parts 6 are arranged parallel to the longitudinal extent of the gripper rails 4.
  • the carriages 15a which have the articulation points 10 of the levers facing away from the gripper rail 4 and the bearings 13 with the articulation points for the pivot arms 11, retain their mutual distance during their displacement, as illustrated by the comparison of the individual figures, and can therefore be coupled together or be connected via a connecting rod, which may be arranged on the traverses 19 having their guides 15.
  • a feed drive 8 in the exemplary embodiment with the spindle 8a, is sufficient for each gripper rail 4 and its carriages 14.
  • the arm 5 acting on the respective pivot arm 11 is located in a plane and is movable, which extends obliquely to the plane in which the levers 5 are located and are pivotable.
  • Figure 9 shows an example in which the relatively massive levers 5 are arranged horizontally and can be pivoted in a horizontal plane to actuate the gripper rails 4 accordingly, while the pivot arms 11 extend obliquely upward.
  • Figure 10 shows an analog arrangement, but the pivot arms 11 extend from its point of articulation on the lever 5 obliquely downwards.
  • the helix angle between lever 5 and pivot arm 11 is an acute angle whose vertex is arranged in or on the articulation point 12 of the pivot arm 11 on the lever 5.
  • Figure 11 and 12 shows examples in which the lever 5 are in turn arranged obliquely to a horizontal plane and movable, wherein according to Figure 11 the lever 5 from the sliding parts 6, starting from the gripper rail obliquely upwards and in Figure 5 are arranged opposite. Nevertheless, in both cases also, the pivot arms 11 in turn arranged obliquely to these levers 5 and their planes of movement. According to Figure 11 the pivot arms 11 extend obliquely downwards from their articulation points 12 and are pressure rods, while they are in accordance with Figure 12 starting from the articulation points 12, starting obliquely upwards relative to the lever 5 and forming tension rods.
  • Figure 13 and 14 are examples of obliquely arranged lever 5, wherein Figure 13 an example in which the associated, arranged obliquely opposite the levers 5 pivot arms are obliquely upward levers 5 tension bars, while the reverse arrangement according to Figure 14 obliquely to the gripper rails downwardly extending lever 5, where underlying oblique pivot arms 11 act as pressure rods.
  • the pivot arms 11 extend with respect to the plane of movement of the lever 5 obliquely upwards or obliquely down regardless of whether the plane of movement and the course of the lever 5 is arranged horizontally or obliquely upwards or obliquely downwards relative to a horizontal plane.
  • the pivot arms 11 obtained by this inclination relative to the levers 5 so a double function in which they cause a precise guide in the adjustment of the gripper rails 4 parallel to itself and in addition stiffen the self-formed by them and the levers 5 support system for the gripper rail 4 ,
  • the gripper rails 4 can be adjusted in height, so perform lifting and lowering movements.
  • the device 1 for the stepwise displacement of workpieces within a press 2 or a comparable processing device has at least one or two in their longitudinal direction and in the feed back and forth movable gripper rails 4, which are adjustable for detecting workpieces transversely to themselves.
  • the gripper rail 4 obliquely extending to it and in opposite directions movable lever 5, the gripper rail facing away from each other or away from each other wegbewegbar, being guided to guide the resulting transverse movement of the levers 5 pivot arms 11, which are articulated with the levers 5 together form a pair of scissors or half scissors.
  • the adjusting movement of the gripper rail 4 parallel to itself can also be carried out in the smallest space and without a drive projecting beyond the longitudinal extent of the gripper rails 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Manipulator (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crushing And Grinding (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (13)

  1. Dispositif (1) pour le déplacement pas à pas de pièces à usiner, en particulier à l'intérieur d'une presse (2), avec au moins un ou deux rails de préhension (4) pouvant être déplacé(s) en va-et-vient dans la direction d'avancée pour le mouvement d'avancée et de recul et comportant des parties de préhension ou des zones de préhension afin de saisir les pièces à usiner, lequel/lesquels rail(s) de préhension est/sont réglable(s) pour la saisie des pièces à usiner et pour le mouvement dans la direction d'avancée, puis à nouveau dans la position de départ, au niveau du/des rail(s) de préhension (4), viennent en prise au moins deux leviers (5) pouvant pivoter de manière parallèle ou de manière synchronisée l'un par rapport à l'autre de façon symétrique dans le plan de déplacement, dans un plan parallèle à celui-ci ou dans un plan oblique par rapport à celui-ci et que, dans le cas d'un dispositif comportant deux rails de préhension (4) parallèles, ces leviers (5) du premier rail de préhension (4) peuvent pivoter dans le sens inverse par rapport à ceux de l'autre rail de préhension (4), caractérisé en ce que les deux leviers (5) articulés de manière pivotante au niveau du rail de préhension (4), avec leurs extrémités ou zones opposées au rail de préhension (4), viennent en prise de manière pivotante au niveau de parties coulissantes (6) mobiles l'une vers l'autre ou l'une depuis l'autre de manière parallèle à la direction d'étendue du rail de préhension (4) et, pour les mouvements de va-et-vient du rail de préhension (4) de manière transversale à son étendue longitudinale, la distance dé ces parties coulissantes (6) peut être modifiée et le rail de préhension (4) est guidé de manière forcée de manière transversale à sa direction d'étendue longitudinale.
  2. Dispositif selon la revendication 1, caractérisé en ce que les leviers (5) et le dispositif de commande (7) des parties coulissantes (6) sont agencés au moins partiellement à l'intérieur du contour de montants (3) de la presse (2), en particulier entre deux montants de la presse qui sont adjacents l'un à l'autre dans la direction d'avancée.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif de commande pour les mouvements d'avancée du rail de préhension (4) ou des rails de préhension (4) dans leur direction d'étendue longitudinale est agencé au moins partiellement à l'intérieur du contour des montants (3) de la presse (2).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, au niveau des leviers (5) entre leurs emplacements de prise (9) au niveau du rail de préhension (4) et au niveau de la partie coulissants (6) respective, sont articulés des bras orientables (11) qui, avec leur extrémité opposée à l'emplacement d'articulation (12) et au rail de préhension (4), sont fixés de manière pivotante à des éléments de déplacement ou des paliers fixes (13), et en ce que la distance entre la partie coulissante (6) d'une part et l'élément de déplacement ou palier (13) d'autre part peut être modifiée ou agrandie pour le réglage transversal ou pendant le réglage transversal du rail de préhension (4).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le bras orientable (11) croise le levier (5) à l'emplacement d'articulation (12) commun et vient également en prise au niveau du rail de préhension par le biais d'une articulation (14), les emplacements d'articulation (9, 14) du levier (5) et du bras orientable (11) fixé de manière pivotante à celui-ci peuvent être modifiés au niveau du rail de préhension (4) en ce qui concerne leur distance lors du réglage du rail de préhension (4) de façon transversale par rapport à lui-même, de manière analogue à la distance de la partie coulissante (6) et de l'élément de déplacement ou palier (13).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'emplacement d'articulation du bras orientable (11) opposé au levier et au rail de préhension (4) est fixe et l'emplacement d'articulation (10) du levier (5) adjacent à celui-ci et se trouvant au niveau de la partie coulissante (6) peut être réglé par rapport à celui-ci.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les deux parties coulissantes (6) des deux leviers (5) en prise au niveau d'un rail de préhension (4) peuvent être déplacées l'une vers l'autre pour le réglage du rail de préhension (4) de manière plus proche de ces parties coulissantes (6), et déplacées l'une depuis l'autre pour le mouvement de préhension et les emplacements d'articulation (13) des leviers orientables (11) sont en outre particulièrement fixes.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le rail de préhension (4) ou les rails de préhension (4), après la saisie de pièces à usiner, peuvent être déplacés dans leur direction d'étendue longitudinale, du fait que les emplacements d'articulation (10) des leviers (5) et des bras orientables (11) opposés respectivement au rail de préhension (4) peuvent être réglés au moyen de coulisseaux (15a) au niveau d'un dispositif de guidage (15) agencé parallèlement au rail de préhension (4) et en ce que, pour ce déplacement de réglage, par exemple un moteur de broche ou un cylindre de travail ou un dispositif d'entraînement linéaire est prévu.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que, pour le déplacement en sens inverse des parties coulissantes (6), sont prévus une broche (16) comportant deux zones filetées inversées et des écrous de broche (17) comportant des filetages inversés au niveau des parties coulissantes (6), au niveau desquels les zones de filetage respectives de la broche (16), viennent en prise, et en ce que la broche (16) dispose d'un unique moteur d'entraînement (7).
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les coulisseaux (14) d'un rail de préhension respectif comportant les emplacements d'articulation (10) des leviers (5) opposés au rail de préhension (4) sont couplés l'un avec l'autre ou sont reliés en particulier par le biais d'une bielle de liaison et un seul dispositif de commande d'avancée (8) est prévu pour chaque rail de préhension (4).
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le bras orientable (11) en prise au niveau du levier (5) respectif est mobile dans un plan qui s'étend de manière oblique par rapport au plan, dans lequel les leviers (5) sont mobiles.
  12. Dispositif selon la revendication 11, caractérisé en ce que le(s) bras orientable(s) (11) s'étend(ent) de manière oblique vers le haut ou de manière oblique vers le bas par rapport au plan de déplacement des leviers (5), indépendamment du fait que le plan de déplacement des leviers (5) est agencé de façon horizontale ou également oblique vers le haut ou oblique ver le bas par rapport à un plan horizontal.
  13. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs de commande pour les rails de préhension sont placés au niveau de supports verticaux (21) et/ou de broches filetées (20) et peuvent être levés et baissés.
EP05739886A 2004-05-13 2005-04-22 Dispositif pour le deplacement pas a pas de pieces a usiner Expired - Lifetime EP1748855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004023525A DE102004023525B4 (de) 2004-05-13 2004-05-13 Vorrichtung zum schrittweisen Verschieben von Werkstücken
PCT/EP2005/004372 WO2005110641A1 (fr) 2004-05-13 2005-04-22 Dispositif pour le deplacement pas a pas de pieces a usiner

Publications (2)

Publication Number Publication Date
EP1748855A1 EP1748855A1 (fr) 2007-02-07
EP1748855B1 true EP1748855B1 (fr) 2008-05-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739886A Expired - Lifetime EP1748855B1 (fr) 2004-05-13 2005-04-22 Dispositif pour le deplacement pas a pas de pieces a usiner

Country Status (10)

Country Link
US (1) US7779664B2 (fr)
EP (1) EP1748855B1 (fr)
AT (1) ATE394183T1 (fr)
BR (1) BRPI0510538B1 (fr)
CA (1) CA2565890C (fr)
DE (2) DE102004023525B4 (fr)
ES (1) ES2307178T3 (fr)
MX (1) MXPA06012901A (fr)
PT (1) PT1748855E (fr)
WO (1) WO2005110641A1 (fr)

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CN110465590A (zh) * 2019-08-19 2019-11-19 马鞍山市铔冠重工机械有限公司 一种自动化冲压模具

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PT1748855E (pt) 2008-08-20
EP1748855A1 (fr) 2007-02-07
US20070295052A1 (en) 2007-12-27
DE102004023525A1 (de) 2005-12-08
MXPA06012901A (es) 2007-01-26
BRPI0510538A (pt) 2007-10-30
DE102004023525B4 (de) 2006-07-20
CA2565890C (fr) 2012-04-10
DE502005004012D1 (de) 2008-06-19
US7779664B2 (en) 2010-08-24
BRPI0510538B1 (pt) 2019-04-24
ATE394183T1 (de) 2008-05-15
CA2565890A1 (fr) 2005-11-24
ES2307178T3 (es) 2008-11-16
WO2005110641A1 (fr) 2005-11-24

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