EP2707160A1 - Installation de fabrication comportant un système de changement d'outil - Google Patents

Installation de fabrication comportant un système de changement d'outil

Info

Publication number
EP2707160A1
EP2707160A1 EP12730360.0A EP12730360A EP2707160A1 EP 2707160 A1 EP2707160 A1 EP 2707160A1 EP 12730360 A EP12730360 A EP 12730360A EP 2707160 A1 EP2707160 A1 EP 2707160A1
Authority
EP
European Patent Office
Prior art keywords
tool
bending
production plant
press
manipulation device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12730360.0A
Other languages
German (de)
English (en)
Other versions
EP2707160B1 (fr
Inventor
Karl BADEGRUBER
Stefan RUSCHITZKA
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
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
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 Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of EP2707160A1 publication Critical patent/EP2707160A1/fr
Application granted granted Critical
Publication of EP2707160B1 publication Critical patent/EP2707160B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B21D37/145—Die storage magazines
    • 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
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0254—Tool exchanging

Definitions

  • the invention relates to a production plant, in particular for the free-form bending of workpieces to be produced from sheet metal, with a tool change system, as described in claim 1.
  • a manufacturing plant for bending to be produced from sheet metal workpieces with a bending press in which the tool bar receptacles for a bending tool with at least one bending punch and at least one bending die are known.
  • a tool storage On the side facing away from an operator side of the press bar a tool storage is located behind the upper press bar.
  • the bending tools to be stored are also arranged successively in the direction of the depth of the machine frame in a hanging arrangement at the tool storage locations provided for this purpose.
  • the production plant comprises a back stop unit with a stop element, which serves for positioning the sheet to be processed on the side facing away from the operating side of the press bars.
  • the back stop unit further comprises a positioning or traversing device with which the back stop unit and, connected thereto, the stop element can be moved in accordance with the desired bending position for the sheet metal.
  • On the stop element support arms are further pivotally mounted about a horizontal axis. At the ends of the support arms respectively retaining bolts are arranged, which can be used in recesses in the respective bending tool.
  • a further embodiment provides for an arm projecting vertically above the stop element, from which a driving pin projects for manipulation of the bending tool in the direction of the press beams.
  • the disadvantage here is that the one or more in the vicinity of the stop element arranged support arms limit the manipulation space of the Schuanschlagtechnik.
  • the bending tool comprising upper tool and lower tool extends almost over the entire width of the bending press and can together as a unit from the also extending over almost the entire width of the kickback unit from its working position to a storage position on the Sidewalls are relocated.
  • the stop element near the stop surface on a vertically upstanding locking pin, which can be used in a base plate of the tool assembly.
  • the stop element can be supported by a support plate in order to be able to support or support the weight of the entire tool arrangement during its displacement from the working position to the storage position.
  • the back stop unit has a tool upper part holder, which is aligned in the same direction as the stop element.
  • a gripper is inserted into a recess of the upper tool part and removed after loosening the jaw of the upper die of the press bar and spent by means of the Schuanschlagiser to a arranged on the side walls behind the upper press bar tool storage.
  • a disadvantage of this embodiment is that the holder and clamping of the tool parts to be changed in the immediate vicinity of the stop element takes place and thereby again the manipulation is free space in the region of the stop element is limited.
  • the present invention has for its object to provide a manufacturing facility in which the tool change can be performed quickly and easily and beyond sufficient free space for the manipulation of the sheet to be deformed in the region of the stop element is available.
  • an embodiment as described in claim 14 advantageous because it provides the ability to relocate the tool storage relative to the machine position, so as to provide an unhindered access to the interior of the press for necessary maintenance or inspection activities , Furthermore, access to the interior of the bending press can thereby be prevented even when the tool store is in operation, in which case the tool store also serves to some extent as a protective element.
  • Figure 1 shows a s manufacturing släges in front view.
  • Fig. 2 shows a similar production s as shown in Figure 1 with Hinteranschlagiser and tool storage, in a perspective view from behind.
  • Fig. 3 shows a possible embodiment of a Häanschlagiser, in side view.
  • FIGS. 1 to 3 show a production plant 1 for free-form bending of workpieces 2 to be produced from sheet metal in a highly schematically simplified representation.
  • the manufacturing s anläge 1 comprises a bending press 3, in particular a press brake, for manufacturing the workpieces 2 or workpieces between relatively adjustable bending tools 4, such as punch 5 and Biegegesenk 6.
  • the punch 5 can also be used as an upper tool and the bending die Also referred to as a lower tool.
  • a machine frame 7 of the bending press 3 comprises, for example, a base plate 8, on which are vertically upstanding, spaced apart in the transverse direction and parallel to each other side cheeks 9, 10 are arranged. These are preferably connected to each other by a solid, formed for example from a sheet metal part cross member 11 at their distance from the bottom plate 8 end portions.
  • the side cheeks 9, 10 are approximately C-shaped to form a free space for forming the workpiece 2, wherein a fixed, in particular on the bottom plate 8 upstanding, press bar 13 is attached to front end faces 12 of bottom flanges of the side cheeks 9, 10.
  • This press bar 13 may also be referred to as a table bar.
  • the manufacturing plant 1 may also include a manipulator not shown here, which at least a piece of it takes from a supply stack of sheets to be deformed orproofkantenden and spends in the work area or the operating side of the bending press 3.
  • a manipulator not shown here, which at least a piece of it takes from a supply stack of sheets to be deformed orproofkantenden and spends in the work area or the operating side of the bending press 3.
  • the bending tools 4, in particular the bending punch 5 and / or the bending die 6, can each have their own recesses 28, 29 for manipulating them.
  • Manipulating the bending tool 4 is understood here to mean that this or its bending punch 5 and / or bending die 6 are automated taken from a simplified in Fig. 2 shown tool memory 30 and automatically to one of the tool holders 19, 20 of the press bars 13, 16 spent and used there and clamped is supported. In this case, it is also possible to speak of a tool change system with which the exchange processes can be carried out with the requisite plant components.
  • the manufacturing plant 1 may also in addition to the above-described manipulator for manipulating the sheet or the workpieces to be produced 2 also include its own and independently acting manipulation device 33, which specifically for the movement of the bending tool 4 and the bending tool 4 forming bending - stamped 5 and / or bending die 6 between the tool memory 30 and the tool holders 19, 20 is used.
  • the manipulation device 33 is arranged on the back stop unit 31.
  • the stop element 32 and the manipulation device 33 are arranged or formed on a common carrier 34.
  • the carrier 34 in turn is rotatable about a pivot axis 35 on a base frame Stored 36 and preferably has a narrow, elongated training.
  • an adjusting device 37 is indicated in the base frame 36, with which it is possible to connect the carrier 34 and the stop element 32 and the manipulation device 33 from a first position to a second position to pivot.
  • the first position considered here is that position in which the stop element 32 is facing the tool holder 19, 20 held bending tool 4. In this position, a positioned striking the sheet to be deformed toward the finished workpiece 2 on the one or more stop elements 32 is possible.
  • the second different position to pivot around the common pivot axis 35 for example, by an amount of 180 °, in which then the manipulation device 33 is the tool holders 19, 20 held bending tool 4 is turned.
  • the component forming the pivot axis 35 is preferably designed as a tubular component or as a hollow shaft, which is connected to the carrier 34 at its first end region 38.
  • the formation as a tubular component or hollow shaft can bring the advantage that In the free interior of the hollow shaft lines for the power supply or actuating means or the like can be laid.
  • the tubular component or the hollow shaft to form the pivot axis 35 is adjustably mounted with its second end region 39 in or on the base frame 36 of the backgauge or the rear stop unit 31.
  • the tubular component or the hollow shaft about the pivot axis 35 rotationally and in the axial direction of the pivot axis 35 can be translationally adjusted.
  • the manipulation device 33 may comprise at least one gripping member 40 which, depending on the design and arrangement with the bending tool 4, in particular the bending punch 5 and / or bending die. 6 in coupling s connection can be brought.
  • the manipulation device 33 comprises two cooperating gripping members 40, which are mutually adjustable for the coupling s connection with the bending tool 4 in the opposite direction of movement.
  • a clamping operation can be achieved by the cooperating gripping members 40 on the bending tool 4, in particular on the bending punch 5 and / or bending die 6.
  • One of many possibilities is to form the recesses 28, 29 described above in such a way that the two gripping members 40 can be inserted into one of the recesses 28, 29 or an opening in their release position and, after their opposite displacement, on the inside to the recess 28, 29 be created. This can be done a clamping of a bending tool 4 on the manipulation device 33 and further on the carrier 34.
  • the manipulation device 33 may also include an actuating element 41 which, for example, for the uncoupling of the bending tool 4 of the tool holder 19, 20 can be brought into operative connection with an unspecified well-known release mechanism. It is thus possible, for example, a bending tool 4 arranged on one of the tool holders 19, 20, for example a bending punch 5 and / or the bending die 6, by actuating the unlocking mechanism by the actuating element 41 from its clamping holder From the tool holder 19, 20 to solve or unlock, while at the same time while still the or the gripping organs 40 are inserted into the recess 28, 29 and coupled there by clamping.
  • an actuating element 41 which, for example, for the uncoupling of the bending tool 4 of the tool holder 19, 20 can be brought into operative connection with an unspecified well-known release mechanism.
  • the release and a sufficient clamping action or holding force of the or the gripping members 40 is achieved on the bending tool 4, with a corresponding adjustment of the actuator 37, the carrier 34 and the associated manipulation device 33 relative to the tool holder 19, 20th adjusted and thus the bending tool 4 are removed.
  • This is preferably done in a vertical or vertical direction of movement in order to remove the bending punch 5 and / or the bending die 6. This is dependent on the clamping arrangement of the bending punch 5 and the bending die 6 on the tool holders 19, 20.
  • the base frame 36 of the back stop unit 31 is guided relative to the guide carriage 42 in the direction of the depth of the machine frame 7 adjustable.
  • the guide carriage 42 in turn can be adjusted in the transverse direction with respect to the machine frame 7, ie in the direction of the longitudinal extension of the tool holder 19, 20. Through this multiple adjustment any position can be reached and controlled within the possible travel paths.
  • the tool memory 30 is arranged on the side of the press beams 13, 16 facing away from the operating side on a rear side of the machine frame 7. Due to the depth of the machine frame 7 with its side cheeks 9, 10 sufficient clearance or depth within the machine frame 7, starting from the tool holders 19, 20 in the direction of the depth of the machine frame 7 is achieved.
  • the arrangement of the tool storage 30 on the back of the machine frame 7 no additional space for the arrangement of the tool storage 30 is necessary.
  • the tool storage 30 comprises a plurality of tool storage locations for a wide variety of bending tools 4, wherein the tool storage locations are preferably arranged one above the other in a vertical orientation and at a distance from each other.
  • the tool memory 30 comprises a plurality of tool storage locations arranged one behind the other or next to each other.
  • the tool storage places of a row arranged one behind the other or next to each other are preferably arranged in each case in a horizontal orientation relative to one another.
  • the tool memory 30, in particular its support frame 44 extends in the transverse direction of the machine frame 7 between the side walls 9, 10. It is particularly advantageous if the tool memory 30 is mounted on the machine frame 7 in an adjustable manner, in particular on its side cheeks 9, 10. Preferably, the adjustment takes place in the vertical or vertical direction, so as to optionally also allow access into the interior of the machine frame 7, starting from the back to the tool holders 19, 20 and the back stop unit 31. However, this also provides access to the one or more rear stop units 31. This can be beneficial for maintenance and inspection purposes.
  • the production plant 1 comprises at least two self-displaceable or adjustable backstop units 31 each having its own carrier 34 with the stop element 32 and the manipulation device 33.
  • a bending tool 4 comprising a bending punch 5 and a bending die 6 can take place rapidly and almost simultaneously, since with a manipulation device 33 of the first backstop unit 31 the bending punch 5 and with the other manipulation device 33 of the further backstop unit 31 the bending die 6 out of the tool holders 19, 20 removed and can be deposited at the designated memory locations in the tool memory 30.
  • removing and inserting a new bending tool 4 from the tool memory 30 to the tool holders 19, 20 can then be proceeded analogously in the reverse order.
  • the carrier 34 can also be formed, for example, by extension or enlargement of the stop element 32 and extends as far as the support of the manipulation device 33.
  • the carrier 34 can also simultaneously form the stop element 32.
  • the end of the stop element 32 in the radial direction with respect to the pivot axis 35 protrude further than the manipulation device 33 on the other side.
  • the embodiments show possible embodiments of the manufacturing plant 1, in particular its back stop unit 31, it being noted at this point that the invention is not limited to the specifically illustrated embodiments thereof, but also various combinations of the individual embodiments are possible with each other and this variation possibility due to the doctrine of technical action by objective invention in the skill of those skilled in this technical field. So are all conceivable embodiments, which are possible by combinations of individual details of the illustrated and described embodiment variant, includes the scope of protection. Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions. Above all, the individual in Figs. 1, 2; 3 embodiments form the subject of independent solutions according to the invention. The relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures.

Landscapes

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

Abstract

L'invention concerne une installation de fabrication (1), notamment pour le formage libre et le pliage de pièces (2) à fabriquer à partir de tôle, comprenant une presse plieuse (3), un bâti de machine (7) et des barres de presse (13, 16), ainsi que des logements d'outils (19, 20) agencés sur les barres de presse (13, 16) et destinés à un outil de pliage (4), un magasin à outils (30), une unité de butée arrière (31) comportant un élément de butée (32), ainsi qu'un dispositif de manipulation (33) servant à déplacer l'outil de pliage (4) entre le magasin à outils (30) et les logements d'outils (19, 20). L'élément de butée (32) et le dispositif de manipulation (33) sont agencés de façon à se faire face sur un support commun (34), dans des directions opposées, et sont montés rotatifs autour d'un axe de pivotement (35). Le support (34) peut pivoter d'une première position, dans laquelle l'élément de butée (32) est orienté vers l'outil de pliage (4) maintenu dans les logement d'outils (19, 20), dans une deuxième position, dans laquelle le dispositif de manipulation (33) est orienté vers l'outil de pliage (4) maintenu dans les logements d'outils (19, 20).
EP12730360.0A 2011-05-10 2012-05-09 Installation de fabrication comportant un système de changement d'outil Active EP2707160B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT6582011A AT511078B1 (de) 2011-05-10 2011-05-10 Fertigungsanlage mit einem werkzeugwechselsystem
PCT/AT2012/050064 WO2012151601A1 (fr) 2011-05-10 2012-05-09 Installation de fabrication comportant un système de changement d'outil

Publications (2)

Publication Number Publication Date
EP2707160A1 true EP2707160A1 (fr) 2014-03-19
EP2707160B1 EP2707160B1 (fr) 2015-06-17

Family

ID=46396933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12730360.0A Active EP2707160B1 (fr) 2011-05-10 2012-05-09 Installation de fabrication comportant un système de changement d'outil

Country Status (3)

Country Link
EP (1) EP2707160B1 (fr)
AT (1) AT511078B1 (fr)
WO (1) WO2012151601A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108136469A (zh) * 2015-10-20 2018-06-08 特鲁普机械奥地利有限公司及两合公司 弯曲机

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6371034B2 (ja) 2012-10-19 2018-08-08 株式会社アマダホールディングス 板材折曲げ加工システム
AT514077B1 (de) 2013-06-20 2014-10-15 Trumpf Maschinen Austria Gmbh Hinteranschlagvorrichtung für eine Biegemaschine
AT514930B1 (de) * 2013-12-04 2015-05-15 Trumpf Maschinen Austria Gmbh Hinteranschlageinheit für Biegemaschine
AT516624B1 (de) * 2015-05-12 2016-07-15 Felder Kg Werkzeugmagazin und Anordnung mit einem solchen
AT517712B1 (de) 2015-11-04 2017-04-15 Trumpf Maschinen Austria Gmbh & Co Kg Greifersystem für eine Biegepresse
AT518112B9 (de) * 2015-12-18 2017-12-15 Trumpf Maschinen Austria Gmbh & Co Kg Fertigungsanlage mit einer Werkzeug-Manipulationseinheit
AT518255B1 (de) 2016-02-17 2017-09-15 Trumpf Maschinen Austria Gmbh & Co Kg Werkzeugwechselvorrichtung für eine Abkantpresse und Verfahren zum Durchführen eines Werkzeugwechsels
AT518520B1 (de) 2016-05-25 2017-11-15 Trumpf Maschinen Austria Gmbh & Co Kg Werkzeug-Speichersystem, Fertigungsanlage sowie Verfahren zum Manipulieren mit einem derartigen Werkzeug-Speichersystem
AT519231B1 (de) * 2016-12-21 2018-05-15 Trumpf Maschinen Austria Gmbh & Co Kg Werkzeugmagazin für eine Biegemaschine
IT201700007989A1 (it) * 2017-01-25 2018-07-25 Fastachange S R L Sistema di cambio utensile in presse piegatrici
AT519644B1 (de) * 2017-07-05 2018-09-15 Trumpf Maschinen Austria Gmbh & Co Kg Hinteranschlageinheit sowie damit ausgestattete Fertigungsanlage
JP6619843B2 (ja) * 2018-05-25 2019-12-11 株式会社アマダホールディングス 板材折曲げ加工システム
CN112423909B (zh) * 2018-07-17 2022-12-30 株式会社天田集团 相对于折弯机中的上部工作台所具备的上模具支架的分割上模具的安装方法以及金属模具更换装置、及金属模具储料器
DE102019212341A1 (de) * 2019-08-19 2021-02-25 Bystronic Laser Ag Vorrichtung zum Wechseln von Biegewerkzeugen in einer Biegemaschine zur Biegung von Blechen

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CH668035A5 (en) 1986-09-19 1988-11-30 Beyeler Machines Sa Folding press with die or matrix replacement system - has arms on rear mobile supports having pins which engage with holes in dies and matrices
DE69203307T2 (de) 1991-03-22 1995-11-02 Amada Co System zum bearbeiten von plattenmaterial.
JP2003136144A (ja) * 2001-11-07 2003-05-14 Amada Co Ltd 曲げ加工装置
EP1503874B1 (fr) * 2002-05-13 2006-04-26 Trumpf Maschinen Austria GmbH & CO. KG. Equipement de fabrication avec une presse a plier et mode de fonctionnement de cet equipement de fabrication
US6938454B2 (en) * 2002-05-13 2005-09-06 Trumpf Maschinen Austria Gmbh & Co. Kg. Production device, especially a bending press, and method for operating said production device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108136469A (zh) * 2015-10-20 2018-06-08 特鲁普机械奥地利有限公司及两合公司 弯曲机

Also Published As

Publication number Publication date
WO2012151601A1 (fr) 2012-11-15
AT511078B1 (de) 2012-09-15
AT511078A4 (de) 2012-09-15
EP2707160B1 (fr) 2015-06-17

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