EP1002594A2 - Procédé et dipositif pour former une pièce - Google Patents

Procédé et dipositif pour former une pièce Download PDF

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Publication number
EP1002594A2
EP1002594A2 EP99122081A EP99122081A EP1002594A2 EP 1002594 A2 EP1002594 A2 EP 1002594A2 EP 99122081 A EP99122081 A EP 99122081A EP 99122081 A EP99122081 A EP 99122081A EP 1002594 A2 EP1002594 A2 EP 1002594A2
Authority
EP
European Patent Office
Prior art keywords
processing
workpiece
forming
workpieces
machining
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.)
Withdrawn
Application number
EP99122081A
Other languages
German (de)
English (en)
Other versions
EP1002594A3 (fr
Inventor
Konrad Dr.-Ing. Wegener
Hans Hofele
Sieghard Müller
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.)
L Schuler GmbH
Original Assignee
L Schuler GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L Schuler GmbH filed Critical L Schuler GmbH
Publication of EP1002594A2 publication Critical patent/EP1002594A2/fr
Publication of EP1002594A3 publication Critical patent/EP1002594A3/fr
Withdrawn legal-status Critical Current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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5124—Plural diverse manufacturing apparatus including means for metal shaping or assembling with means to feed work intermittently from one tool station to another
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/52—Plural diverse manufacturing apparatus

Definitions

  • the invention relates to a method for forming Workpieces according to the preamble of claim 1 Art.
  • the invention further relates to a device to carry out the process according to the in the preamble of claims 12 and 13 defined art.
  • Such forming traverser and the associated forming devices are for example from EP 04 39 684 B1, EP 05 47 190 B1, DE 38 32 499 A1 and DE 39 05 069 A1 known.
  • sheet metal sheets are used in these processes through the most diverse forming processes, such as e.g. Stamping, cutting or deep drawing, relatively large areas Workpieces made.
  • forming processes such as e.g. Stamping, cutting or deep drawing
  • Workpieces made are usually very large and thus used heavy forming tools, which to achieve a large number with a corresponding Number of strokes and the associated speed oscillate.
  • the disadvantage here is that the high mass of these forming tools accelerates with every stroke and must be slowed down, which means a lot of energy is consumed.
  • Another disadvantage is the big one Material and cost that is necessary to to manufacture the forming tools.
  • this task is characterized by Features mentioned in claim 1 solved.
  • local energy input means that the expansion of the energy-influenced Zone or the processing area without relative movement for machining the workpiece is small in comparison with the workpiece dimension.
  • a forming device 1 shows part of a forming device 1, which is composed of several forming stages 2 and thus also as a multi-stage forming system or as Transfer press can be called.
  • a workpiece 3 is located on a first depositing element 4 assigned to the first forming step 2 and is brought to a second depositing element 4 'assigned to the second forming step 2' by means of a transfer or transport device 5.
  • the direction of transport of the workpieces 3 within the forming device 1 is shown in the figures A ".
  • the workpieces 3 are machined in a manner known per se by means of various forming methods, such as stamping, deep drawing or bending, in the corresponding forming stages 2.
  • the upper tool parts 2a are also shown in the upper region thereof.
  • the transport device 5 for transporting the workpieces 3 can, for example, as a system of several handling robots or as a programmable two or also Three-axis system. The following will but not closer to the transport device 5, which also from the drive, not shown Forming device 1 can be driven.
  • the Workpiece 3 is here the before second storage element 4 'placed on the clipboard 6.
  • the clipboard 6 can be the workpiece 3 for processing in the second forming stage 2 ' reorient and can therefore also serve as an orientation facility be designated.
  • the serves Clipboard 6, the distance between the forming stages 2 and 2 'to bridge the transit times for the workpiece 3 to decrease.
  • the clipboard 6 is therefore also part of the transport device 5.
  • the transport device 5 has a guide element one running in the transport direction of the workpieces 3 Walking beam or a rail 7 and on the rail 7 moving suction bridges 8, which in known Way driven and thus on the rail 7th can be movable.
  • suction bridges 8 At the suction bridges 8 are so-called suction spiders 9 attached, which serve the workpieces 3 by means of vacuum suction cups, by means of clamping elements or also by means of magnetic force to hold on and from the first forming stage 2 if necessary via the clipboard 6 to the second forming stage 2 'to implement.
  • the machining facilities 10 can be used as laser, water, plasma, or Sandblasting processing devices 10 or as Processing devices 10 for introducing electromagnetic Energy, e.g. via induction or via line, be trained. All of the following described processing devices 10 are the For simplicity of description, as a laser beam or Laser processing devices 10 are formed.
  • the suction spiders are on the top 9 opposite side of the suction bridges 8 each beam-shaped guide elements 11 attached to which via two handling devices 12 two as Laser heads designed processing elements 13 arranged are.
  • the handling devices 12 can doing so in a linear manner transverse to the direction of transport Move workpieces 3 on the guide elements 11 be, so that a kind of cross slide is created, the the lifting, rotating and swiveling around two or more axes Laser heads 12 carries. So the whole can be twofold curved surface of the workpieces 3 with the laser heads 13 can be painted over.
  • the guide elements 11 can also in a manner not shown across the direction of transport opposite the suction bridges 8 can be moved. Possibilities of moving the Machining elements 13 by the handling device 12 are represented by arrows.
  • the two trained in the form of swivel arm robots Handling devices 12 can be independent move from each other in all three spatial directions and pivoted to the laser heads 13 in each to be able to align the desired position to the workpiece 3 and through a corresponding relative movement the workpiece 3 also three-dimensionally shaped workpieces 3 to be able to edit.
  • This relative movement can also, as will be explained later, by a Movement of the workpiece 3 relative to the processing element 13 can be achieved.
  • the laser processing devices 10 could also water, plasma or sandblasting processing equipment be provided, for what then instead of the laser heads 13 corresponding processing tools or -Elements for processing the workpieces 3 with water, Plasma or sandblasting would be necessary.
  • the processing elements 13 serve generally to introduce energy locally into the workpieces 3.
  • the laser heads 13 are provided for processing the workpiece 3, specifically in the form of cutting, welding, application, removal or heat processing.
  • the corresponding type of laser head 13 can be used for each of the machining processes mentioned. This can be, for example, an Nd-YAK laser or a CO 2 laser.
  • the laser heads 13 are connected to a stationary beam source, which is not shown here.
  • the beam source transmits the energy to the laser heads 13 via light guides or mirror systems, also not shown.
  • the laser heads move to machine the workpieces 3 13 below the suction spider 9 along the Workpiece 3, for example in this embodiment when cutting through the laser heads 13 the Section from one laser head 13 to the next laser head 13 is passed when the movement through a part, e.g. the suction bridges 8 or the suction spiders 9 is hindered.
  • a part e.g. the suction bridges 8 or the suction spiders 9 is hindered.
  • This machining of the workpieces 3 by the laser heads 13 becomes during the transport step of the workpieces 3 by the transport device 5 from the first Storage element 4 to the second storage element 4 ' carried out. Also the removal from the second Storage element 4 'to a further forming stage 2 happens with a suction bridge 8, which is a laser processing device 10 and thus has a appropriate processing enables. An editing of the workpiece 3 is also possible if this still or already on one of the storage elements 4 or 4 ' or possibly 4 ''. Generally speaking is a machining of a specific workpiece 3 outside of that for forming this workpiece 3 scheduled time possible, or with others Words whenever it is the respective tool head 2a allows the processing element 13th machining the workpiece 3.
  • Processing with the processing device is general 10 by a relative movement between the Suction bridge 8 and one of the storage elements 4 or 4 ' or the clipboard 6 possible.
  • FIG. 3 shows a simplified embodiment of the laser processing device 10, in which case only a laser head 13, which has the same function like the laser heads 13 described above, directly attached to the suction bridge 8 or the suction spider 9 and movable in the longitudinal direction of the suction bridge 8 is. Because there is no separate handling device 12 is provided, the laser head 13 itself pivotable on the suction spider 9 or the suction bridge 8 attached and can therefore also be edited of the workpieces 3, i.e. along lines across to the direction of transport while the workpiece 3 on the Suction bridge 8 hangs and along lines with components in the transport direction while the workpiece 3 is deposited is.
  • the laser processing device 10 two separate and independently operable Carriage 14, which on the same rail 7th how the suction bridges 8 stored and in the same way and are movable.
  • This allows during the transport step of one of the workpieces 3, which as stated above by means of the on the transport device 5 attached suction cups 8 performed is, another on the storage element 4 or 4 'or the clipboard 6 arranged workpiece 3 as above described with the Laserktofen 13 or the laser head 13 of the laser processing device 10.
  • the laser head 13 is for this purpose with the respective carriage 14 connected via an adjusting element 15, which is able to move the laser head 13 transversely to the transport direction and move in the vertical direction. This movement is indicated by arrows.
  • the laser head 13 on the laser processing device 10 can in addition to its movability over the carriage 14 and the Verstellelernent 15 also in all Spatial directions are moved and pivoted like this 1 and 2 is the case. Of course is also the arrangement of two or more laser heads 13 possible on the slide 14. Editing the Workpiece 3 can also be done while the workpiece 3 is still fixed on the suction bridge 8 and is moved with it. General is also here as in all other cases, an edit outside of that for reshaping the corresponding Workpiece 3 provided or necessary time possible.
  • the laser processing device 10 in this embodiment thus from the handling device 12 and the laser head 13 formed.
  • the laser processing device 10 can during the transport step of the workpieces 3 through the transport device 5 from the first storage element 4 to the second storage element 6 the workpiece 3 edit by means of the laser head 13.
  • both the laser head 13 by means of the swivel arm robot 12 compared to the workpiece 3 in all three Spatial directions are moved as well as the laser head 13 stand still in the direction of transport and only the Transport movement of the workpiece 3 and the resultant Relative movement between the workpiece 3 and the processing element 13 for processing the same be exploited.
  • a processing of any shape Workpieces 3 are thus possible, e.g. not shown Drilled holes in the workpiece 3 in this way can be that this before a subsequent Forming out of round, but exact after forming can be round.
  • the forming device 1 works with one certain cycle to produce the workpieces 3 and evaluate or output from the last forming stage 2.
  • the cycle of machining the workpieces 3 is a regular sequence of processing operations. This cycle relates to the entire forming device 1, being between the individual forming stages 2 or the processing devices 10 as already A certain phase shift occurs as mentioned above. All of the processing facilities described above 10 can also in this cycle of the forming device 1 work and therefore completely without problems into the forming device 1 and into that carried out with it Integrate forming processes.
  • Fig. 6 is formed as a flat board Workpiece 3 moves past laser heads 13, which only on a two-dimensionally operating handling device 12 are arranged.
  • the handling device In the present case, 12 consists of a Crossbar 16 with the laser heads 13 and in the present Case designed as a lifting cylinder 17, which is used for the height adjustment of the crossbar 16 worries.
  • the laser processing device 10 thus includes the laser heads 13 and the handling device 12 with the crossbar 16 and the lifting elements 17.
  • the laser heads 13 through Adjustment devices, not shown, transverse to Transport direction of the workpieces 3 are moved, such as this is represented by arrows. This enables during the transport step through the transport device 5, which is also here for the movement the workpieces 3 ensures that laser processing is carried out.
  • Such processing is particularly during inserting workpieces 3 or for other flat cuts make sense.
  • the adjustment devices mentioned above for the laser heads 13, for example Be linear guides, making a quick Adjustment of the laser heads 13 would be ensured.
  • FIG. 6 is a top view of that shown in FIG. 5
  • Given laser processing device 10. is the mobility of the laser heads 13 recognizable in the transverse direction of the transport direction.
  • straight cuts on the Workpieces 3 could also have such a transverse movement can be dispensed with and the laser heads 13 could be completely rigidly attached to the handling device 12 his.
  • a waiver of the lifting elements 17 is also conceivable, since the position of the laser heads 13 then completely the workpieces 3 could be designed.
  • can the crossbar 16 with the linear guide even then not be designed to be liftable when the laser heads 13 each individually on movable, not shown Lifting elements are arranged.
  • To achieve different Cutting geometries in the workpieces 3 is only a corresponding programming one not Control unit of the forming device 1 shown necessary.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Forging (AREA)
  • Threshing Machine Elements (AREA)
EP99122081A 1998-11-19 1999-11-16 Procédé et dipositif pour former une pièce Withdrawn EP1002594A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853365A DE19853365A1 (de) 1998-11-19 1998-11-19 Verfahren und Vorrichtung zum Umformen
DE19853365 1998-11-19

Publications (2)

Publication Number Publication Date
EP1002594A2 true EP1002594A2 (fr) 2000-05-24
EP1002594A3 EP1002594A3 (fr) 2001-03-28

Family

ID=7888335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122081A Withdrawn EP1002594A3 (fr) 1998-11-19 1999-11-16 Procédé et dipositif pour former une pièce

Country Status (3)

Country Link
US (1) US6775888B1 (fr)
EP (1) EP1002594A3 (fr)
DE (1) DE19853365A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001062406A1 (fr) * 2000-02-22 2001-08-30 Avestapolarit Ab Formation guidee d'un flan
EP1402970A1 (fr) * 2002-09-26 2004-03-31 Bilsing Automation GmbH Dispositif de transfert de pièces pour presses de transfert
DE102007060741A1 (de) * 2007-12-17 2009-06-18 Wilhelm Karmann Gmbh Pressenstraße zur Fertigung von Fahrzeugteilen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10040978A1 (de) * 2000-08-22 2002-03-21 Schuler Held Lasertechnik Gmbh Vorrichtung und Verfahren zur Herstellung von Blechpaketen
DE10347913A1 (de) * 2003-10-10 2005-05-04 Grob Werke Burkhart Grob Ek Produktionslinie
DE102010037951B4 (de) * 2010-10-04 2012-08-23 Schuler Pressen Gmbh & Co. Kg Verfahren und Presswerkzeug zur Herstellung von aufreißbaren Dosendeckeln
US20130319066A1 (en) * 2012-06-04 2013-12-05 Jefferey W. Bennett Manufacturing System and Process Using a Laser Assisted Stamping Die
CN103600234A (zh) * 2013-04-28 2014-02-26 宝山钢铁股份有限公司 一种钢板组合剪切方法与系统
CN104889222B (zh) * 2015-05-18 2017-01-11 雄华机械(苏州)有限公司 一种设有全自动节叉输送系统的节叉切边设备
DE102020108525A1 (de) 2020-03-27 2021-09-30 Aweba Werkzeugbau Gmbh Aue Verfahren zum Betrieb einer Bearbeitungseinrichtung und Bearbeitungseinrichtung
CN114619202B (zh) * 2021-08-23 2022-12-20 日照日出健身器材有限公司 一种哑铃手柄的柔性滚花自动生产线设备

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001062406A1 (fr) * 2000-02-22 2001-08-30 Avestapolarit Ab Formation guidee d'un flan
US6868708B2 (en) 2000-02-22 2005-03-22 Avestapolarit Ab Blank guided forming
EP1402970A1 (fr) * 2002-09-26 2004-03-31 Bilsing Automation GmbH Dispositif de transfert de pièces pour presses de transfert
DE102007060741A1 (de) * 2007-12-17 2009-06-18 Wilhelm Karmann Gmbh Pressenstraße zur Fertigung von Fahrzeugteilen

Also Published As

Publication number Publication date
US6775888B1 (en) 2004-08-17
DE19853365A1 (de) 2000-05-25
EP1002594A3 (fr) 2001-03-28

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