EP3302840B1 - Installation de fabrication pour la fabrication de pièces en tôle et procédé à cet effet - Google Patents

Installation de fabrication pour la fabrication de pièces en tôle et procédé à cet effet Download PDF

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Publication number
EP3302840B1
EP3302840B1 EP16735977.7A EP16735977A EP3302840B1 EP 3302840 B1 EP3302840 B1 EP 3302840B1 EP 16735977 A EP16735977 A EP 16735977A EP 3302840 B1 EP3302840 B1 EP 3302840B1
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EP
European Patent Office
Prior art keywords
clamping
manipulator
recess
workpiece
supporting
Prior art date
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EP16735977.7A
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German (de)
English (en)
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EP3302840B2 (fr
EP3302840A1 (fr
Inventor
Roberto DAL CERRO
Stefano Speziali
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.)
Trumpf Maschinen Austria GmbH and Co KG
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Trumpf Maschinen Austria GmbH and Co KG
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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002—Positioning devices
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
    • B21D5/045—With a wiping movement of the bending blade
    • 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
    • B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
    • 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
    • B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work

Definitions

  • the invention relates to a production plant and a process for the production of workpieces made of sheet metal, in particular by forming,
  • the US 5,138,865 A describes a bending machine with a lower and an upper clamping jaws, between which the metal sheet to be formed or the already preformed workpiece to be produced for the bending operation can be clamped.
  • a manipulator is provided, which has a fixed and a movable gripping tongs.
  • the fixed gripping tongs simultaneously forms a bearing surface for the sheet metal.
  • the gripping tongs are arranged laterally next to the clamping jaws in the longitudinal extent of the bending region and can thus be moved past the clamping jaws, without colliding with them.
  • the gripping tongs arranged above and below the sheet to be held can be adjusted close to the bending area.
  • recesses are provided in both jaws on the side facing away from the bending area.
  • a bending machine for bending flat metal elements such as panels, sheets, plates or the like and a corresponding bending method
  • the bending machine has a support plane formed of a plurality of section bars, which are placed substantially parallel to each other and spaced apart, and aligned along the direction of feeding / removal of the metallic flat member.
  • the metallic flat element to be bent can be positioned.
  • a suction feed group is provided, which is assigned to the support level and which is suitable for selectively supplying the metallic flat element to the bending group.
  • the feed group comprises one or more suction members, which are aligned in a direction substantially transverse to the metallic flat element to be bent. In whose Resting position, these are placed below the support plane and are connected to each other, by means of the suction organs, the metallic flat element is held at the support level.
  • the suction organs are further movable in a coplanar manner and / or by lifting with respect to the support plane by means of a movement organ, which movement organ is placed below the support plane.
  • a tensile force can be exerted on the metallic flat element in the direction of the support plane. It is also possible to move the metallic flat element substantially coplanar with respect to the support plane.
  • the processing machine for plate-shaped workpieces, in particular for the production of curved edges of sheet metal parts, known.
  • the processing machine in particular a bending machine, makes it possible to bend plate-shaped workpieces especially the edges and also to trim or punch.
  • the workpieces can be detected with a belonging to a manipulator clamp and supplied to a tool and a holder.
  • the manipulator with its clamping forceps is arranged and stored above the working plane of the workpiece support.
  • the clamp is in addition to a transverse or perpendicular to the tool-oriented displaceability also parallel to adjustable and also rotatably mounted about an axis perpendicular to the workpiece plane axis.
  • the workpieces can be detected at any point and then fed.
  • the horizontal workpiece support is formed by upstanding bristles, which can be converted as needed by the lower gripping pliers part when immersed in them. This could indeed be clamped on both sides due to the relatively narrow, vertical design of the front, upper gripper arm already workpieces, which were relatively short in the vertical direction with respect to the bending region. However, this was not sufficient in some applications.
  • the present invention is based on the object, even the handling and manipulation of sheets or already partially formed workpieces located in the vicinity of the front surface of the jaws ends of sheets or already formed legs of workpieces to allow without compromising the strength of the jaws in the Too strong weakening of the clamping area.
  • the manipulation device further comprises at least one plate-shaped second manipulator, which forms a support surface on its side facing the sheet metal or the workpiece to be produced, and in or on which support surface at least one second holding element is arranged or formed, and that in one of the clamping jaws in its clamping surface at least one recess is arranged, which recess is formed starting from the clamping surface over a height in the vertical direction with respect to the clamping surface recessed in the jaws in and extending in the direction of a bending region, and that the plate-shaped second manipulator has a thickness in the vertical direction with respect to the clamping surface, which corresponds at most to the height of the recess and for manipulating the sheet to be machined or the workpiece to be produced at least partially in the at least one recess is received.
  • the advantage achieved thereby is that a flat structural unit can be created by the plate-shaped or strip-shaped formation of the second manipulator in the direction of the bending area, which is applied thereto only on one side of the sheet to be processed for the manipulation thereof and over the in or on the support surface formed own second holding elements can be kept positioned.
  • the at least one second manipulator can be inserted into the recess formed in the respective clamping jaw or protrude into the latter, as a result of which a holding of the sheet in the covering area can take place with at least one of the clamping surfaces.
  • the thickness of the second manipulator or with respect to the height of the recess in the vertical direction so the sheet in the recess supported by the respective manipulator and beyond with a corresponding dimensional adjustment also a clamping effect can be achieved.
  • a sufficient supporting effect and optionally also a clamping action can be achieved.
  • the dimensions of the jaws in the "X" direction correspond to those of conventional jaws. Since the sheet metal can be held by the manipulator with the at least one second holding element, the clamping length in the "X" direction including a possible small gap distance represents the length which corresponds to the narrowest component to be clamped.
  • the at least one recess starting from a front face of the clamping jaw facing away from a bending region of the clamping jaws, extends into the latter.
  • the second manipulator can also be arranged in the area of the operating side of the bending machine and an unhindered, continuous bending area can be created on the side of the clamping jaws facing away from the operating side.
  • Another embodiment is characterized in that the recess extends over the entire longitudinal extension of the clamping jaws. This can be done in the longitudinal extent of the bending area continuous or even in some areas arrangement of the second or the manipulators. In addition, but also an increased space for positioning can be created, with even a multiple arrangement of manipulators can be made possible.
  • Another possible embodiment has the features that the at least one recess is arranged in the lower jaw or jaws. This creates sufficient clearance on the side away from the support plane of the support table side of the sheet to be machined. In addition, no disturbing manipulator parts are arranged here, since an additional support surface for the metal sheet can thus be created in the region of the second manipulator.
  • a further embodiment provides that the at least one second manipulator is supported at its position accommodated in the recess on a base surface of the recess in the vertical direction with respect to the clamping surface thereof.
  • a higher clamping force can be created with a correspondingly formed thickness with respect to the height of the recess on the opposite clamping surfaces of the jaws.
  • Another embodiment is characterized in that a plurality of second manipulators are provided in the direction of the longitudinal extension of the jaw or jaws.
  • a further preferred embodiment is characterized in that the at least one second holding element of the at least one second manipulator is formed by a magnet or a vacuum-based suction element.
  • the at least one second manipulator with its support surface is adjustable, in particular pivotable, from a position located outside the support plane, in particular below it, into a position of the support surface located in the support plane. This makes it possible to pivot the or the second manipulators only when needed in the region of the support plane of the support table and thus to be able to achieve a positioning within the coverage area of the clamping surfaces even in "X" direction relatively short sheets.
  • Another embodiment is characterized in that the at least one second manipulator is held relative to this in the support plane in the support plane located in the support plane position of its support surface on the support table relative to this.
  • the support table or its base frame can be placed stationary in front of the bending machine and still sufficient manipulation by the or the second manipulators can be achieved.
  • a further possible embodiment has the features that an end region of the support table facing the clamping jaws with its support surface is adjustable, in particular hinged, from a position located in the support plane to a position located outside the support plane. This can be created in the intermediate region between the support table and the jaws of the clamping tool sufficient working space for the second manipulator or when they are located in the use or working position.
  • the support table can then hineinver Robinson in the shared workspace of at least one second manipulator, in particular swiveled in, so as to create a sufficient support for the sheet in this area and on the other hand to perform the exact positioning.
  • a further embodiment provides that the at least one second manipulator is formed by a portion of the support table in the region of its support plane.
  • the at least one second manipulator is formed by a portion of the support table in the region of its support plane.
  • Another embodiment is characterized in that at least one support element is arranged or accommodated in the at least one recess when the position of the at least one second manipulator is outside the recess.
  • a further preferred embodiment is characterized in that the at least one support element ends in a planar manner with the clamping surface formed on the clamping jaw and is supported on a base surface of the recess.
  • a directly opposite clamping area can be created.
  • the object of the invention is, however, independently solved by a method for the production of workpieces made of sheet metal, in particular by the forming that the sheet or the workpiece to be produced is stored by a first manipulator of a manipulation device on a bearing surface defining a support surface of a support table, then the sheet or the workpiece to be produced by at least one plate-shaped second manipulator of the manipulation device on the sheet metal or support surface facing the workpiece to be produced is held by at least one holding element arranged or formed on or in the support surface, then the sheet metal or the workpiece to be produced is displaced further in the direction of a bending region formed by the clamping jaws by means of the at least one second manipulator between spaced-apart clamping surfaces of clamping jaws, and that in this case the at least one plate-shaped second manipulator is at least partially received in at least one recess formed in one of the clamping jaws in the clamping surface, wherein the at least one recess, starting from the clamping surface over a height in the vertical direction with respect
  • a flat structural unit can be created by the plate-shaped or in the direction of the bending area strip-shaped formation of the second manipulator, which on only one side of the sheet to be machined for the manipulation of the same and created the formed in or on the support surface own second holding elements can be kept positioned.
  • the at least one second manipulator can be inserted into the recess formed in the respective clamping jaw or protrude into the latter, as a result of which a holding of the sheet in the covering area can take place with at least one of the clamping surfaces.
  • the thickness of the second manipulator or with respect to the height of the recess in the vertical direction so the sheet in the recess supported by the respective manipulator and beyond with a corresponding dimensional adjustment also a clamping effect can be achieved.
  • a sufficient supporting effect and optionally also a clamping action can be achieved.
  • the dimensions of the jaws in the "X" direction may correspond to those of conventional jaws. Since the sheet metal can be held by the manipulator with the at least one second holding element, the clamping length in the "X" direction including a possible small gap distance represents the length which corresponds to the narrowest component to be clamped.
  • a production plant 1 is shown in a highly schematically simplified representation, which is formed in the present case in particular for the swivel bending or bending of bending to be produced from sheet metal workpieces 2.
  • a metallic material is usually used, which can be referred to in its undeformed state as a flat material or flat element.
  • the manufacturing plant 1 used for bending in the present case comprises a bending machine 3, in particular a press or bending press, which is designed to clamp the workpieces 2 or workpieces to be produced from the sheet metal between a clamping tool 4 which is adjustable relative to one another.
  • the clamping tool 4 comprises in the present embodiment, at least one, but preferably a plurality of lower jaws 5 and at least one, but preferably more cooperating upper jaws 6.
  • the lower jaw or 5 can also as a lower cheek and the or the upper jaws 6 can also be referred to as the upper cheek.
  • X direction that runs in a horizontal plane and in a vertical orientation with respect to the longitudinal extension of the jaws 5, 6.
  • this is the direction which also corresponds to the feed direction or the withdrawal direction.
  • Y direction the vertical direction is understood, which thus extends in the height direction of the jaws 5, 6.
  • Z direction is understood to be the direction which runs in the longitudinal direction or in the longitudinal extent of the clamping jaws 5, 6. This is also the Longitudinal extension of the later-described bending edge aligned in the "Z" direction.
  • the at least one upper clamping jaw 6 is arranged above the workpiece 2 to be manufactured on the bending machine 3 and held there accordingly, in particular clamped. Also, the at least one lower jaw 5 is held on the bending machine 3, in particular clamped.
  • a machine frame 7 of the bending machine 3 comprises, for example, vertically upstanding from a base plate 8 and mutually parallel side cheeks 9, 10. These are preferably interconnected by a solid, formed for example of a sheet metal part cross member 11 at their spaced from the bottom plate 8 end regions ,
  • the machine frame 7 is usually a solid, preferably on a flat hall floor fixed component of the bending machine 3.
  • the shape shown here has been chosen only as an example for a variety of other possible training.
  • the side cheeks 9, 10 may be formed to form a clearance for the forming of the workpiece 2 preferably in approximately C-shaped, wherein attached to front end faces 12 of bottom flanges of the side cheeks 9, 10 a fixed, in particular on the bottom plate 8 upstanding lower clamping bar 13 is, which can also be referred to as a pressing bar.
  • This preferably stationary arranged and fixed lower clamping bar 13 may also be referred to as a clamping table, are arranged on the parts of the bending tool 4 and also held thereon.
  • a further upper clamping bar 16 in particular a pressure bar, which is relatively adjustable relative to the lower clamping bar 13, is guided on the leg remote from the base plate 8 in clamping bar guides 15.
  • the clamping bar guides 15 are usually designed as linear guides in a variety of embodiments.
  • This further clamping bar 16 may also be referred to as a pressing bar, which, however, is displaceable relative to the machine frame 7 on this.
  • On opposite, mutually parallel end surfaces 17, 18 of the two clamping bars 13, 16 can jaw receiving 19, 20 are arranged for assembly with the clamping tools 4. That or the clamping tools 4 can also be held with the interposition of an adapter, not shown, on the jaw receivers 19, 20.
  • the bending machine 3 shown has, as a drive arrangement 21 for the adjustable upper clamping bar 16, namely the pressure bar, at least one drive means 22 operated with electrical energy, which are line-connected to a control device 24 fed from a power grid 23.
  • the operation of the bending machine 3 can be controlled via a line-connected input terminal 25 connected to the control device 24.
  • the drive means 22 are preferably electromotively operated spindle drives 26, as they are generally known, of which adjusting means 27 for a reversible actuating movement of the upper clamping bar 16 formed by the pressure bar with this, for example, are drive-connected.
  • adjusting means 27 for a reversible actuating movement of the upper clamping bar 16 formed by the pressure bar with this, for example, are drive-connected.
  • other drive means 22 known from the prior art such as e.g. Cylinder piston assemblies, stepper motors, rack drives or the like can be used.
  • the two clamping bars 13, 16, in particular their tool holders 19, 20, or the clamping tool 4 held thereon with his or her lower and upper jaws 5, 6, when viewed in the longitudinal direction of the clamping bar thirteenth , 16 define an adjustment plane 28 extending therebetween.
  • the adjusting plane 28 preferably extends centrally with respect to the clamping bars 13, 16 or the jaw receivers 19, 20 arranged on them.
  • a vertically oriented plane is understood here.
  • the two jaws 5, 6 form a clamping region 29 between them at mutually facing ends.
  • Mutually facing lower and upper clamping surfaces 30, 31 of the two clamping jaws 5, 6 are preferably aligned at right angles with respect to the adjusting plane 28. These clamping surfaces 30, 31 serve to keep the sheet, depending on its wall thickness for carrying out the bending operation between the two jaws 5, 6 positioned.
  • An additional support table 32 with its support surface defining a bearing surface 33 is preferably arranged in the region of the front side of the bending machine 3.
  • the support plane 33 can also be referred to as a support plane. It should be noted that the support surface need not be formed over the entire surface but can also be formed from several in the feed direction of the sheet to be processed next to each other and / or successively arranged support part surfaces.
  • the bearing surface 33 defined by the bearing surface is preferably arranged in the same plane as the lower clamping surface 30 of the lower jaw 5. This is used in larger sheets as additional support to avoid accidental kinking, especially with thinner sheets.
  • a bending region 34 is understood to be that region which serves to form the workpiece 2 to be produced from the sheet metal, which is still mostly flat, or to further process an already pre-formed workpiece 2 by forming at least one additional bend.
  • the bending region 34 is usually spaced from the adjustment plane 28 of the clamping bar 13, 16 and is formed by mutually facing end portions of at least one, but preferably both jaws 5, 6. In the present embodiment, the bending region 34 is disposed on the side facing away from the support table 32 or an operator not shown side of the clamping bar 13, 16. Thus, the bending region 34 is arranged to extend within the machine frame 7.
  • the bending region 34 usually forms a preferably rectilinear bending line on the workpiece 2 to be produced, with legs forming on both sides of the bending region 34 as a result of the bending process performed.
  • One of the legs of the workpiece 2 is held in clamping position between the two clamping surfaces 30, 31 of the jaws 5, 6, wherein the at least one further leg outside of the clamping surfaces 30, 31 is arranged.
  • the two legs enclose between them a bending angle. This bending angle is measured in a reference plane aligned perpendicular to the bending line.
  • the reference plane for its part, is furthermore preferably also aligned with respect to the adjustment plane 28 in the vertical direction.
  • the machine frame 7 of the bending machine 3 is shown only very simplified, and it is also possible to use different embodiments thereof. So could e.g. the machine frame 7 and the machine body may be formed with a free stator passage. In this case, the jaw receivers 19, 20 could be received between the side walls 9, 10 and side panels. In another embodiment of the machine frame 7 or of the machine body, no free stator passage is possible, as a result of which the clamping jaw receptacles 19, 20 can not be received between the side cheeks 9, 10 or side parts.
  • the bending machine 3 of the production plant 1 also comprises a bending unit 35, which can also be referred to as a bending unit or forming unit.
  • a bending unit 35 which can also be referred to as a bending unit or forming unit. This is simplified in the Fig. 2 indicated and can be adjusted depending on be carried out bending process relative to the machine frame 7 thereto. For better clarity, was in the Fig. 1 dispensed with the representation of the bending unit 35 and its components.
  • the lower clamping jaw 5 or the upper clamping jaw 6 forms the bending area and thus the bending area 34.
  • the lower clamping jaw 5 forms or has a first forming edge.
  • the upper jaw 6 forms or has a second forming edge.
  • the two clamping surfaces 30, 31 of the clamping jaws 5, 6 described above define a workpiece support plane 36 for the workpiece 2 to be produced.
  • the workpiece support plane 36 is arranged in the vertical direction at the same height as the support plane 33 defined by the support table 32 ,
  • the two planes are aligned plane-parallel to each other and arranged in a common plane.
  • the bending unit 35 may have one or more bending tools 37, which may be arranged on a bending beam 38.
  • the bending beam 38 may be adjustable relative to the machine frame 7 at not shown bending beam guides by means of a bending beam drive.
  • recessed at least one recess 39 is arranged.
  • the at least one recess 39 starting from a front face 40 of the lower clamping jaw 5 arranged at a distance from the adjusting plane 28, extends in "X" direction into the clamping jaws 5 in the direction of the bending region 34.
  • the front surface 40 is further arranged in this embodiment on the side facing away from the bending region 34 side of the jaws or 5, 6 and thus facing the operating side.
  • at least one adjustable in the "Z" direction along the recess 39 support member 41 may be arranged or received. However, it would also be possible to swing the at least one support element 41 out of the recess 39.
  • each one of the support elements 41 indicated in simplified.
  • the one or more support elements 41 terminate here at their upper sides facing the upper jaw 6 in the lower clamping surface 30 defined by the lower clamping jaws 5 and are thus arranged or formed in a planar manner relative thereto.
  • the one or more support elements 41 can be adjusted or shifted out of the recess 39 if necessary. Preferably, the adjustment takes place in the direction of the longitudinal extension of the clamping bar 13, 16 so as to be able to release at least a portion of the recess 39.
  • the one or more support members 41 serve that the two mutually facing jaws 5, 6 with their clamping surfaces 30, 31 almost to each other over the entire surface, optionally with the interposition of the sheet or the workpiece 2 to be produced, can be supported without the Bending excessively high bending forces in the jaws 5, 6 are introduced by this exemption.
  • the manufacturing plant 1 also includes a manipulation device 42 with at least one simplified manipulated first manipulator 43 for the usual manipulation of the sheet or the workpiece 2 to be produced in the front or operating area of the bending machine 3.
  • the manipulation of the sheet or the workpiece 2 to be produced therefrom in the region of the support table 32 preferably by the first manipulator 43, of which only a first holding element 44 is shown on a part of a manipulator arm.
  • the first retaining element 44 or the first retaining elements 44 may be e.g. be designed as a suction element and / or as a magnet with which the sheet is held on its side facing away from the support plane 33 of the support table 32 side and subsequently moved relative to the clamping tool 4 and positioned relative to the bending region 34. But it would also be possible to form the first holding element 44 as a gripper with cooperating gripping rings.
  • the one manipulation device 42 also includes at least one second manipulator 45.
  • the second manipulator 45 is shown on the one hand in full lines below the sheet or the workpiece 2 to be produced in a position even before insertion into the recess 39 described above in the lower jaw or 5 and on the other hand in a rest position located outside thereof in dotted lines
  • the at least one second manipulator 45 is preferably plate-shaped and has a width in the direction of the bending region-that is to say in the "Z" direction, which corresponds to at least one partial section of the longitudinal extent of the clamping jaws 5, 6 and thus also forms a sufficiently large bearing surface
  • the depth extension in "X" direction is also chosen to an extent, so that here also a correspondingly dimensioned bearing surface can be created.
  • the adjustment movement of the at least one second manipulator 45 from the non-engaged rest position in the directly below the sheet or the produced Workpiece 2 located manipulation position and vice versa can be done very different. This can be done for example by a pivoting operation, by means of which the at least one second manipulator 45 is adjusted between the two positions described above. However, it would also be possible for other adjustment mechanisms to be used for this purpose.
  • the second manipulator 45 with one or more, but not shown actuators are in driving connection.
  • FIG. 3 is a portion of the bending machine 3 in the region of the clamping tool 4 cut in side view and shown on an enlarged scale.
  • the recess 39 described above can be seen, which extends from the clamping surface 30 or 31 via a height 46 in the vertical direction with respect to the clamping surface 30 or 31 recessed into the jaws 5 or 6 inside.
  • the recess 39 extends further in the direction or longitudinal direction of the bending region 34.
  • a possible folded-down, pivoted-away or displaced position of the at least one second manipulator 45 is indicated in dashed lines.
  • the at least one second manipulator 45 can be moved e.g. are brought into a lateral position in which the plate-shaped body is aligned in the vertical direction with respect to the bending region 34 and is thus arranged parallel to the feed direction.
  • FIG. 3 An alternative position or position in which the second manipulator 45 is also outside its working position or manipulation position, is further in the Fig. 3 shown in dash-dotted lines. In this further position, the longitudinal extension of the at least one second manipulator 45 extends approximately parallel with respect to the bending region 34 and thus in the "Z" direction.
  • the at least one recess 39 is arranged starting from a front surface 40 of the clamping jaw 5 or 6 facing away from the bending region 34 of the clamping jaw 5 or 6.
  • the recess 39 extends starting from the front surface 40 in the direction of the bending region 34.
  • the longitudinal extension of the recess 39 is to be selected such that this at least a length of the at least one second manipulator 45 in the direction of the bending region 34 plus an adjustment and / or positioning of the second manipulator 45th in the same direction.
  • the recess 39 may also extend over the entire longitudinal extension of the jaws or 5 or 6, as shown in the Fig. 2 is indicated in simplified.
  • the above-described support element 41 or the support elements 41 is at least partially displaced from the recess 39. This is also simplified in the Fig. 2 indicated.
  • the sheet metal or the workpiece 2 can now be brought into the region of the at least one second manipulator 45 by means of the at least one first manipulator 43.
  • the plate-shaped or flat-profile-like second manipulator 45 has a support surface 47 on its side facing the sheet metal or the workpiece 2 to be produced.
  • At least one second holding element 48 is arranged or formed on or in the support surface 47.
  • the or the second holding elements 48 serve to keep the sheet or the workpiece to be produced in the course of the transfer from the first manipulator 43 to the second manipulator 45 in a fixed position.
  • the at least one second holding element 48 of the at least one second manipulator 45 may be formed by a magnet or by a vacuum-based suction element or the like, depending on the material of the workpiece 2 or sheet.
  • the sheet or the workpiece to be produced 2 held on the second plate-shaped second manipulator 45 and passed to this the sheet or the workpiece 2 to be produced therefrom by means of the second manipulator 45 between the spaced apart clamping surfaces 30, 31 and thus between the both jaws 5, 6 are further adjusted.
  • the at least one recess 39 is provided for receiving the same between the clamping jaws 5, 6.
  • the plate-shaped or flat profile-like second manipulator 45 has a thickness 49 in the vertical direction with respect to the clamping surface 30 or 31, which corresponds at most to the height 46 of the recess 39. In this way, protrusion of the support surface 47 of the second manipulator 45 over the clamping surface 30 or 31, in particular over the workpiece support plane 36, can be prevented.
  • the thickness 49 of the second manipulator or 45 corresponds to the height 46 of the recess 39 rather exactly or exactly. If the at least one second manipulator 45 is in its at least partially received in the recess 39 position, this can at a base of the recess 39 in vertical direction with respect to the clamping surface 30 or 31 to be supported thereon.
  • the at least one recess 39 is arranged only in the lower jaw or 5. Regardless, it would also be possible to provide the arrangement of the recess 39 only in the upper jaw 6 and the upper jaws 6. Usually, however, the recess 39 is formed exclusively in the or the lower jaws 5.
  • an end region of the support table 32 facing the clamping jaws 5, 6 can be adjusted with its support surface from a position located in the support plane 33 into a position located outside the support plane 33. This can be done for example by folding or swinging away by means not shown adjusting means or actuators.
  • the at least one second manipulator 45 is not in use, this is with its support surface 47 outside the support plane 33 of the support table 32, as shown in the Fig. 3 indicated in dashed lines. This is usually a folded-down position of the second manipulator 45.
  • the at least one second manipulator 45 can furthermore be arranged laterally with respect to the end portion of the support table 32 facing the clamping jaws 5, 6, which or which may likewise be designed to be pivotable or hinged.
  • the at least one second manipulator 45 can be moved. Since the at least one second manipulator 45 with its support surface 47 is usually located in a position below and thus outside the support plane 33, this can be adjusted for its use with its support surface 47 in a position located in the support plane 33 position of the support surface 47, in particular be pivoted. If the at least one second manipulator 45 is now located with its support surface 47 in the support plane 33, it can be displaced relative to the support table 32 in the support plane 33 relative thereto. For this purpose, the at least one second manipulator 45 on the support table 32 in particular a frame frame thereof be kept adjustable and adjusted by means not shown adjusting means.
  • the at least one second manipulator 45 it would also be possible for the at least one second manipulator 45 to be formed by a partial area of the support table 32 in the region of its support plane 33.
  • the support table 32 relative to the bending machine 3 independently of the rest of the support table 32 by means of further adjusting means adjustable in the support plane 33 form.
  • the clamping length between the jaws 5, 6 in "X" direction remains almost unchanged, since the second manipulator 45 in its inserted into the recess 39 position and with correspondingly matched dimensions (height 46 of the recess 39 and thickness 49 of the second manipulator 45th ) Also in the region of the recess 39, a clamping of the sheet or the workpiece 2 between the jaws 5, 6 is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (15)

  1. Installation de fabrication (1) pour la fabrication de pièces (2) en tôle, plus particulièrement par formage, comprenant
    une machine de pliage (3) avec un châssis de machine fixe (7), une barre de serrage inférieure (13) avec au moins une mâchoire de serrage inférieure (5) qui y est maintenue, ainsi qu'une barre de serrage supérieure (16) avec au moins une mâchoire de serrage supérieure (6) qui y est maintenue, une des barres de serrage (13, 16) pouvant être déplacée par rapport au châssis de machine (7) afin de maintenir la pièce à fabriquer (2) serrée entre les deux mâchoires de serrage (5, 6) et l'au moins une mâchoire de serrage inférieure (5) comprenant, au niveau de son extrémité orientée vers la mâchoire de serrage supérieure (6), une surface de serrage inférieure (30) et l'au moins une mâchoire de serrage supérieure (6) comprenant, au niveau de son extrémité orientée vers la mâchoire de serrage inférieure (5), une surface de serrage supérieure (31), les deux surfaces de serrage (30, 31) définissant, lorsqu'elles sont appuyées l'une contre l'autre, un plan de support de pièce (36) pour la pièce à fabriquer (2), ainsi qu'avec une unité de pliage (35),
    une table de support (32) qui définit, avec sa surface de support, un plan de support (33) pour la tôle ou la pièce à fabriquer (2),
    un dispositif de manipulation (42) avec au moins un premier manipulateur (43) avec au moins un premier élément de maintien (44) pour la manipulation de la tôle ou de la pièce à fabriquer (2),
    caractérisée en ce que
    le dispositif de manipulation (42) comprend en outre au moins un deuxième manipulateur (45) en forme de plaque, ce deuxième manipulateur (45) formant, au niveau de son côté pouvant être orienté vers la tôle ou la pièce à fabriquer (2), une surface d'appui (47) et dans ou sur cette surface d'appui (47), est disposé ou réalisé au moins un deuxième élément de maintien (48),
    et en ce que, dans une des mâchoires de serrage (5, 6), dans sa surface de serrage (30, 31), est disposé au moins un évidement (39), cet évidement (39) étant réalisé de façon à s'étendre, à partir de la surface de serrage (30, 31), sur une hauteur (46) dans la direction perpendiculaire à la surface de serrage (30, 31), profondément vers les mâchoires de serrage (5, 6) ainsi qu'en direction d'une zone de pliage (34),
    et en ce que le deuxième manipulateur (45) en forme de plaque présente une épaisseur (49) dans la direction perpendiculaire à la surface de serrage (30, 31) qui correspond au maximum à la hauteur (46) de l'évidement (39) et, pour la manipulation de la tôle à usiner ou de la pièce à fabriquer (2), est logé au moins partiellement dans l'au moins un évidement (39).
  2. Installation de fabrication (1) selon la revendication 1, caractérisée en ce que l'au moins un évidement (39) s'étend, à partir d'une surface frontale (40) de la mâchoire de serrage (5, 6), opposée à une zone de pliage (34) des mâchoires de serrage (5, 6), à l'intérieur de celles-ci.
  3. Installation de fabrication (1) selon la revendication 1 ou 2, caractérisée en ce que l'évidement (39) s'étend sur toute l'extension longitudinale des mâchoires de serrage (5, 6).
  4. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un évidement (39) est disposé dans la ou les mâchoires de serrage inférieures (5).
  5. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un deuxième manipulateur (45), lorsqu'il est logé dans l'évidement (39), est appuyé contre une surface de base de l'évidement (39) dans une direction perpendiculaire à la surface de serrage (30, 31).
  6. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que, en direction de l'extension longitudinale de la ou des mâchoires de serrage (5, 6), sont prévues plusieurs deuxièmes manipulateurs (45).
  7. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un deuxième élément de maintien (48) de l'au moins un deuxième manipulateur (45) est constitué d'un aimant ou d'un élément d'aspiration basé sur une dépression.
  8. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un deuxième manipulateur (45) peut être déplacé, plus particulièrement pivoté, avec sa surface d'appui (47), d'une position se trouvant à l'extérieur du plan de support (33), plus particulièrement en dessous de celui-ci, vers une position de la surface d'appui (47) se trouvant dans le plan de support (33).
  9. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un deuxième manipulateur (45), lorsque sa surface d'appui (47) est dans une position se trouvant dans le plan de support (33) sur la table de support (32), est maintenu de manière mobile par rapport à celle-ci dans le plan de support (33).
  10. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce qu'une partie d'extrémité de la table de support (32), orientée vers les mâchoires de serrage (5, 6), est conçue de manière mobile, plus particulièrement de façon à pouvoir être rabattue, avec sa surface de support, d'une position se trouvant dans le plan de support (33) vers une position se trouvant à l'extérieur du plan de support (33).
  11. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que l'au moins un deuxième manipulateur (45) est constitué d'une partie de la table de support (32) au niveau de son plan de support (33).
  12. Installation de fabrication (1) selon l'une des revendications précédentes, caractérisée en ce que, dans l'au moins un évidement (39), lorsque le deuxième manipulateur (45) se trouve dans une position à l'extérieur de l'évidement (39), est disposé ou est logé au moins un élément de soutien (41).
  13. Installation de fabrication (1) selon la revendication 12, caractérisée en ce que l'au moins un élément de soutien (41) se termine par une surface plane avec la surface de serrage (30, 31) réalisée sur la mâchoire de serrage (5, 6) et est appuyé contre une surface de base de l'évidement (39).
  14. Procédé de fabrication de pièces (2) en tôle, plus particulièrement par formage, dans lequel
    la tôle ou la pièce à fabriquer (2) est posé par un premier manipulateur (43) d'un dispositif de manipulation (42) sur une surface de support d'une table de support (32) définissant un plan de support (33), caractérisé en ce que
    la tôle ou la pièce à fabriquer (2) est ensuite maintenue positionnée par au moins un deuxième manipulateur (45) en forme de plaque du dispositif de manipulation (42) contre sa surface d'appui (47) orientée vers la tôle ou la pièce à fabriquer (2) par au moins un élément de maintien (48) disposé ou réalisé sur ou dans la surface d'appui (47),
    puis la tôle ou la pièce à fabriquer (2) est déplacée, au moyen de l'au moins un deuxième manipulateur (45), entre des surfaces de serrage (30, 31), écartées entre elles, de mâchoires de serrage (5, 6), en direction d'une zone de pliage (34) formée par les mâchoires de serrage (5, 6),
    et en ce que l'au moins un deuxième manipulateur (45) en forme de plaque est logé au moins partiellement dans au moins un évidement réalisé dans une des mâchoires de serrage (5, 6) dans sa surface de serrage (30, 31), l'au moins un évidement (39) étant conçu de façon à s'étendre à partir de la surface de serrage (30, 31) sur une hauteur (46) dans la direction perpendiculaire à la surface de serrage (30, 31) profondément dans les mâchoires de serrage (5, 6) ainsi qu'en direction de la zone de pliage (34),
    et en ce que le deuxième manipulateur (45) en forme de plaque est réalisé avec une épaisseur (49) dans la direction perpendiculaire à la surface de serrage (30, 31), qui correspond au maximum à la hauteur (46) de l'évidement (39).
  15. Procédé selon la revendication 14, caractérisé en ce que, avant le déplacement de l'au moins un deuxième manipulateur (45) vers l'intérieur de l'au moins un évidement (39), un élément de soutien (41) logé à l'intérieur de celui-ci est déplacé hors de celui-ci.
EP16735977.7A 2015-06-02 2016-06-02 Installation de fabrication pour la fabrication de pièces en tôle et procédé à cet effet Active EP3302840B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50449/2015A AT517227B1 (de) 2015-06-02 2015-06-02 Fertigungsanlage zur Fertigung von Werkstücken aus Blech sowie Verfahren dazu
PCT/AT2016/050172 WO2016191786A1 (fr) 2015-06-02 2016-06-02 Installation de fabrication pour la fabrication de pièces en tôle et procédé à cet effet

Publications (3)

Publication Number Publication Date
EP3302840A1 EP3302840A1 (fr) 2018-04-11
EP3302840B1 true EP3302840B1 (fr) 2019-02-20
EP3302840B2 EP3302840B2 (fr) 2022-03-02

Family

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EP16735977.7A Active EP3302840B2 (fr) 2015-06-02 2016-06-02 Installation de fabrication pour la fabrication de pièces en tôle et procédé à cet effet

Country Status (4)

Country Link
EP (1) EP3302840B2 (fr)
AT (1) AT517227B1 (fr)
DE (1) DE202016009044U1 (fr)
WO (1) WO2016191786A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN107626789A (zh) * 2017-09-12 2018-01-26 广东金南方新科技股份有限公司 自动折边机及其折边方法
CN107984032A (zh) * 2018-01-04 2018-05-04 高振虹 一种航空用铝合金材料切割设备
CN110560521A (zh) * 2019-09-20 2019-12-13 洛阳市优能自动化设备有限公司 一种自动折弯机

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DE19621658A1 (de) 1996-05-30 1997-12-04 Eht Werkzeugmaschinen Gmbh Bearbeitungsmaschine für plattenförmige Werkstücke, insbesondere zur Erzeugung von gebogenen Rändern an Blechteilen
JP2001030023A (ja) 1999-07-19 2001-02-06 Amada Co Ltd 曲げ加工装置
EP1967300B1 (fr) 2007-03-07 2010-09-15 Atlantic International Assets S.A. Machine pour le pliage d'éléments métalliques plats tels que des panneaux, feuilles, plaques ou similaires et procédé de pliage correspondant
WO2013093950A1 (fr) 2011-12-22 2013-06-27 Codatto International S.P.A. Machine industrielle pour pliage d'éléments plats métalliques

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US5138865A (en) 1991-04-23 1992-08-18 Antonio Codatto Gripping assembly for a manipulator for plate sheets
DE102004048036A1 (de) * 2004-09-28 2006-04-06 Ras Reinhardt Maschinenbau Gmbh Biegeeinrichtung

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DE19621658A1 (de) 1996-05-30 1997-12-04 Eht Werkzeugmaschinen Gmbh Bearbeitungsmaschine für plattenförmige Werkstücke, insbesondere zur Erzeugung von gebogenen Rändern an Blechteilen
JP2001030023A (ja) 1999-07-19 2001-02-06 Amada Co Ltd 曲げ加工装置
EP1967300B1 (fr) 2007-03-07 2010-09-15 Atlantic International Assets S.A. Machine pour le pliage d'éléments métalliques plats tels que des panneaux, feuilles, plaques ou similaires et procédé de pliage correspondant
WO2013093950A1 (fr) 2011-12-22 2013-06-27 Codatto International S.P.A. Machine industrielle pour pliage d'éléments plats métalliques

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"TRUMPF bending: TruBend Center Series 5000 (B27) - Productive all-round machine", YOUTUBE VIDEO, 20 October 2014 (2014-10-20), XP054980055, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=G0zc54WN1_M>
SIBOMAULFT: "Codatto Eva", YOUTUBE, 7 December 2012 (2012-12-07), XP054980059, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=NO-10_pIezQ>
VERDI MAKINA: "CODATTO EVA 2522", YOUTUBE, 18 February 2014 (2014-02-18), XP054980060, Retrieved from the Internet <URL:https: //www.youtube.com/watch?v= PhzCpHo5g6Q>

Also Published As

Publication number Publication date
DE202016009044U1 (de) 2021-09-02
AT517227A4 (de) 2016-12-15
AT517227B1 (de) 2016-12-15
EP3302840B2 (fr) 2022-03-02
EP3302840A1 (fr) 2018-04-11
WO2016191786A1 (fr) 2016-12-08

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