EP2498928A1 - Installation d'usinage, notamment pour le formage libre avec un manipulateur de pièce et d'outil intégré - Google Patents

Installation d'usinage, notamment pour le formage libre avec un manipulateur de pièce et d'outil intégré

Info

Publication number
EP2498928A1
EP2498928A1 EP10798452A EP10798452A EP2498928A1 EP 2498928 A1 EP2498928 A1 EP 2498928A1 EP 10798452 A EP10798452 A EP 10798452A EP 10798452 A EP10798452 A EP 10798452A EP 2498928 A1 EP2498928 A1 EP 2498928A1
Authority
EP
European Patent Office
Prior art keywords
bending
tool
bending tool
recess
production plant
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
EP10798452A
Other languages
German (de)
English (en)
Other versions
EP2498928B1 (fr
Inventor
Thomas Denkmeier
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
Priority to PL10798452T priority Critical patent/PL2498928T3/pl
Publication of EP2498928A1 publication Critical patent/EP2498928A1/fr
Application granted granted Critical
Publication of EP2498928B1 publication Critical patent/EP2498928B1/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
    • 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
    • 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
    • B21D37/04—Movable or exchangeable mountings for tools
    • 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
    • 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
    • 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
    • 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, as described in claim 1.
  • JP 06-234018 describes another tool changing system for bending tools, in which a separate gripper for the manipulation of the sheet to form the workpieces is provided.
  • the manipulation of the bending tools is carried out with an additional manipulation element, which has two mutually distanced peg-shaped projections, which are used in the same opposite recesses of the bending tool for manipulating the same.
  • JP 05-293552 describes a tool change system with different attachments for the manipulator.
  • the bending tools can be detected and manipulated on protruding elements.
  • the present invention has for its object to design a tool changing system for bending tools of a manufacturing facility such that the bending tools can be changed automatically in a simple manner, while the adaptation can be carried out with little effort and cost.
  • the advantage resulting from the features of claim 1 lies in the fact that by arranging and attaching a recess in the bending tool and by appropriate design of the ends of the gripper fingers of the manipulator the possibility is created with the same gripper fingers not only the sheet to be machined through to finished workpiece, but also the bending tool so that you can hold and manipulate. Due to the choice of recess in the area of the bending tool, no additional parts are required for manipulation above this projecting part. By appropriate design of the recess and no special tools for insertion into the recess are necessary in order to manipulate this so.
  • a virtually tilting moment-free support and support of the bending tool is achieved on the gripper fingers.
  • Fig. 1 is a bending press of the manufacturing plant according to the invention, in view;
  • FIG. 2 the bending press of FIG. 1 in side view and a schematically indicated
  • Manipulator the gripping tongs of the manipulator of Figure 2, in an enlarged view.
  • the bending punch of the bending press of Figure 4 in view according to arrow V in Fig. 4.
  • Fig. 7 the bending tool according to Fig. 6, in view.
  • a manufacturing plant 1 for the free-form bending of sheet metal to be produced workpieces 2 is shown in a highly schematically simplified representation.
  • the production plant 1 comprises a bending press 3, in particular a press brake, for producing the workpieces 2 or workpieces between bending tools 4 which are adjustable relative to one another, such as bending dies 5 and bending dies 6.
  • a machine frame 7 of the bending press 3 consists for example of a base plate 8 on the vertically upstanding, mutually spaced and parallel to each other aligned 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 the forming of the workpiece 2, wherein a fixed, on the bottom plate 8 upstanding press bar 13, in particular a table bar, is fixed to front end faces 12 of bottom legs of the side cheeks 9, 10 , At front end faces 14 of the legs removed from the bottom plate 8 is in linear guides 15 a to the table beam forming press bar thirteenth relatively adjustable further press bar 16, in particular a pressure bar, guided guided. On opposite, mutually parallel end surfaces 17, 18 of the two press bars 13, 16 tool holders 19, 20 are arranged for assembly with the bending tools 4.
  • the bending press 3 shown has, as a drive arrangement 21 for the adjustable press beam 16, namely the pressure beam, two electrically driven drive means 22, which are line-connected to a control device 24 fed from a power network 23.
  • a control device 24 fed from a power network 23.
  • the operation of the bending press 3 is controlled via a line-connected input terminal 25 connected to the control device 24.
  • the drive means 22 are electromotive spindle drives 26, as they are generally known, of which adjusting means 27 for a reversible actuating movement of the upper beam bar 16 formed by the pressure bar with this, for example drive connected are.
  • the production plant 1 also comprises a manipulator 28, shown here in simplified form in FIG. 2, which extracts at least a portion from a schematically indicated supply stack 29 of sheets to be deformed or folded and spends it into the working area of the bending press 3.
  • the manipulator 28 in turn comprises a gripping tongs 30, shown in a simplified manner, which in turn has gripping fingers 31, 32.
  • the gripping fingers 31, 32 each have clamping surfaces 33, 34 on the side facing the workpiece 2 to be produced.
  • the gripper fingers 31, 32 of the gripper 30 is a corresponding gripping and later in consequence conditioned by the clamping movement ensures sufficient support for the workpiece 2 to be produced from the sheet metal.
  • the bending tools 4, in particular the bending punch 5 and / or the bending die 6, have their own recesses 35, 36 for manipulating the same.
  • Manipulating the bending tool 4 is understood to mean that it is automatically removed from a tool store not shown here and automatically inserted into the tool holders 19, 20 of the press beams 13, 16. It can also be spoken of a tool change system. For exchanging corresponding bending tools 4, after the clamping holding of the bending tools 4, these are in turn pushed out of the tool holders 19, 20, for the most part in the longitudinal direction thereof, and are replaced by other bending tools 4.
  • the bending tools to be exchanged 4 are brought back into the tool depot and stored sorted to be removed there later for another bending process and used in the tool holder 19, 20.
  • the clamping holding the individual bending tools 4 takes place here in cooperation of arranged in the bending tool 4 recesses 35, 36 with the gripper fingers 31, 32 of the gripper 30.
  • Fig. 3 is the previously schematically shown gripper 30 has been shown in a larger scale for the sake of clarity again and shows the two gripping fingers 31, 32 with the facing clamping surfaces 33, 34.
  • the same reference numerals or component designations as in the preceding Fig. 1st and 2 used. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figs. 1 and 2 or reference.
  • the workpiece 2 to be produced from the sheet metal is here shown in clamping position between the two gripping fingers 31, 32 and adjacent to the two clamping surfaces 33, 34.
  • the gripping finger 31 is fixed, for example, and the further gripper finger 32 is pivotably mounted on a manipulator arm 37 for this purpose.
  • the pivoting movement takes place in a predeterminable plane, wherein the pivoting direction is indicated by means of a double arrow. But it would also be possible to pivot both gripping fingers 31, 32 against each other.
  • an additional contact surface 40 is provided at each end 38, 39 of the two gripping fingers 31, 32 on the mutually averted sides of the clamping surfaces 33, 34.
  • one or both gripping fingers 31, 32 of the gripping tongs 30 are moved towards each other, so that the distance between the clamping surfaces 33, 34 is reduced to such an extent that the sheet metal with its thickness resp Thickness gets trapped in between.
  • the ends 38, 39 of the gripping fingers 31, 32 are inserted into the recesses 35 or 36 of the bending tool 4 and achieved in the opposite direction with respect to the clamping action of the workpiece 2, the clamping bracket on the bending tool 4.
  • the description of the possible design of the recess 35, 36 is detailed in the following figures.
  • FIGS. 4 and 5 show a possible embodiment of the bending tool 4, which may be independent of itself, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 3. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figs. 1 to 3 or reference.
  • the bending tools 4 each have a head part 41, which is inserted in a clamping region 42 in the tool holders 19, 20.
  • the tool holders 19, 20 on a receiving slot 43.
  • Each of the bending tools 4 illustrated here further comprises an end region 44 which is distanced from the head part 41 and defines a bending region 45 in the longitudinal extent of the bending tool 4.
  • a tool arm 46 extends between the head part 41 and the end region 44 of the bending tool 4.
  • the tool arm 46 is formed by a plurality of unspecified legs.
  • the two previously described tool holders 19, 20 of the press beams 13, 16 receive the head portion 41 of the bending tool or tools 4 and these are held interchangeable there.
  • the tool arm between its head portion 41 and the end portion 44 in contrast to the tool arm 46 of the punch 5 is formed short and stocky.
  • the bending tools 4 formed by the bending punch 5 and the bending die 6 are limited in their spatial form by this limiting side walls 47 and in the longitudinal extent thereof distanced end walls 48.
  • the recess 35 shown here in the area of one of the side walls 47 of the bending tool 4 designed as a bending punch 5 has abutment areas 49, 50 spaced apart from one another.
  • Each of the stop regions 49, 50 in turn comprises at least one own stop surface 51, 52.
  • the spatial form of the stop region 49, 50 or the stop surfaces 51, 52 delimited by these can be designed as desired. Preferably, these may be formed opposite to the contact surfaces 40 of the previously described gripping fingers 31, 32.
  • the two stop surfaces 51, 52 are curved curved.
  • the two abutment regions 49, 50 are preferably arranged in a reference plane 53, which is aligned in the vertical direction with respect to the bending region 45. Furthermore, this reference plane 53 is also aligned perpendicular to the longitudinal extension of the bending tool 4 here.
  • the two stop regions 49, 50 are distanced from one another in the vertical direction with respect to the bending region 45.
  • the ends 38, 39 of the gripping fingers 31, 32 are inserted into the recess 35, 36.
  • abutment surfaces 51 and 52 of a stop region 49, 50 are aligned with each other on the side facing away from the other stop area 50, 49 side.
  • Such a possible embodiment is indicated in Fig. 5 in dotted lines.
  • a self-centering of the two contact surfaces 40 on the abutment surfaces 51, 52 associated therewith is achieved.
  • This not only a perfect clamping achieved but also an oriented holder already achieved starting from the recording process of the bending tool 4 to the final positioning in the tool holders 19, 20 and the tool depot.
  • the contact surfaces 40 formed on the gripper fingers 31, 32 can be formed opposite to the stop regions 49, 50, in particular their abutment surfaces 51, 52.
  • the recesses 35, 36 are preferably arranged in at least one side wall 47 of the bending tool 4 that extends parallel with respect to the bending region 45. With a corresponding strength of the bending tool 4, the recess 35, 36 could also be arranged in at least one of the end walls 48. In order to avoid an eccentric mounting of the bending tool 4 on the gripper fingers 31, 32, it is advantageous if the recesses 35, 36 are preferably arranged centrally between the two end walls 48 distanced from one another in the longitudinal direction. This creates a centric arrangement of the impact areas 49, 50 of the recess 35, 36 achieved with respect to the longitudinal extent of the bending tool 4.
  • FIGS. 6 and 7 show a possible embodiment of the bending tool 4, which is possibly independent of itself, wherein the same reference numerals or component designations are used again for the same parts as in the preceding FIGS. 1 to 5. To avoid unnecessary repetition, reference is made to the detailed description in the preceding Figs. 1 to 5 or reference.
  • a bending punch 5 has again been selected as the bending tool 4.
  • the recess 35 shown here for interacting with the gripper fingers 31, 32 of the gripping tongs 30 extends in the longitudinal direction of the bending tool 4.
  • a preferred parallel alignment with respect to the bending region 45 is advantageous.
  • the recess 35 may further be arranged not only in one of the side walls 47 but also opposite one another.
  • the recess 35 also extends continuously over the entire longitudinal extent of the bending tool 4 between the two end walls 48.
  • the recess 35 may be formed groove-shaped. Seen in cross-section, the recess 35 may be formed dovetail-shaped. This means that, starting from a groove base, the stop faces 51, 52 delimiting the recess 35 are formed toward each other in the direction of the side walls 47.
  • the recesses 35, 36 may be arranged or formed in opposite side walls 47 of the bending tool 4.
  • this arrangement of the recess 35, 36 described here can also be selected in the embodiment shown in FIGS. 4 and 5. Then the abutment regions 49, 50 would be distanced from each other in a parallel direction with respect to the longitudinal extension of the bending tool 4. In this case, then the clamping holders can be carried out by the mutually spread gripping fingers 31, 32, but to a relation to the holder described above rotated by 90 ° alignment.
  • the embodiments show possible embodiments of the manufacturing plant 1, in particular the bending tools 4 with the co-operating gripper fingers 31, 32, it being noted at this point that the invention is not limited to the specifically illustrated embodiments thereof, but rather also various combinations of the individual embodiments are possible with each other and this possibility of variation due to the teaching of technical action by objective invention in the skill of working in this technical field expert.
  • all conceivable embodiments that are possible by combinations of individual details of the embodiment variant shown and described are also encompassed by the scope of protection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Manipulator (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

L'invention concerne une installation d'usinage (1) pour le formage libre. Celle-ci comprend une presse à plier (3) pourvue d'outils de pliage (4) qui sont montés de manière interchangeable dans des logements d'outil (19, 20), un manipulateur (28) pourvu d'une pince de préhension (30) qui présente des doigts de préhension (31, 32), ainsi qu'un évidement (35, 36) disposé dans l'outil de pliage (4), comprenant des régions de butée (49, 50) à distance l'une de l'autre pour manipuler l'outil de pliage (4). Aux extrémités (38, 39) des doigts de préhension (31, 32) sont formées des surfaces de contact (40) supplémentaires sur les côtés des doigts de préhension (31, 32) opposés l'un à l'autre. Les extrémités (38, 39) des doigts de préhension (31, 32) sont insérées dans l'évidement (35, 36) pour le montage de l'outil de pliage (4). Les surfaces de contact (40) sont pressées contre les régions de butée (49, 50) en sens opposé par rapport à la force de serrage pour retenir la pièce (2) à usiner.
EP10798452.8A 2009-11-10 2010-11-09 Installation d'usinage, notamment pour le formage libre avec un manipulateur de pièce et d'outil intégré Active EP2498928B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10798452T PL2498928T3 (pl) 2009-11-10 2010-11-09 Układ produkcyjny, zwłaszcza do gięcia swobodnego kształtowego ze zintegrowanym manipulatorem przedmiotu obrabianego i narzędzia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0177709A AT508923B1 (de) 2009-11-10 2009-11-10 Fertigungsanlage, insbesondere für das freiformbiegen
PCT/AT2010/000432 WO2011057312A1 (fr) 2009-11-10 2010-11-09 Installation d'usinage, notamment pour le formage libre avec un manipulateur de pièce et d'outil intégré

Publications (2)

Publication Number Publication Date
EP2498928A1 true EP2498928A1 (fr) 2012-09-19
EP2498928B1 EP2498928B1 (fr) 2014-02-12

Family

ID=43587431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10798452.8A Active EP2498928B1 (fr) 2009-11-10 2010-11-09 Installation d'usinage, notamment pour le formage libre avec un manipulateur de pièce et d'outil intégré

Country Status (8)

Country Link
US (1) US9339860B2 (fr)
EP (1) EP2498928B1 (fr)
JP (1) JP5744894B2 (fr)
CN (1) CN102712022B (fr)
AT (1) AT508923B1 (fr)
ES (1) ES2457235T3 (fr)
PL (1) PL2498928T3 (fr)
WO (1) WO2011057312A1 (fr)

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AT517712B1 (de) 2015-11-04 2017-04-15 Trumpf Maschinen Austria Gmbh & Co Kg Greifersystem für eine Biegepresse
CN105268871B (zh) * 2015-11-17 2018-05-08 江苏理工学院 一种冲压控制装置的翻转机及控制方法
CN105642712B (zh) * 2016-04-13 2017-11-24 藤县正钻门业有限公司 一种折弯设备
AT519014B1 (de) 2016-10-20 2018-03-15 Trumpf Maschinen Austria Gmbh & Co Kg Fertigungsanlage mit Manipulationsvorrichtung
CN107999574B (zh) * 2017-11-30 2019-09-13 浙江江鑫机电有限公司 一种l型连接板的半自动生产装置
CN107900203A (zh) * 2017-12-22 2018-04-13 安徽威亚机械制造有限公司 一种快速调整高效率冲床
US20210323046A1 (en) * 2018-07-17 2021-10-21 Amada Co., Ltd. Tool changer
CN109013820B (zh) * 2018-07-24 2024-05-14 广东工业大学 柔性板料电磁成形系统
AT521623B1 (de) * 2018-10-16 2020-03-15 Trumpf Maschinen Austria Gmbh & Co Kg Verfahren zur Bereitstellung von zumindest zwei Biegewerkzeuggruppen
KR102179667B1 (ko) * 2019-01-23 2020-11-18 (유)종로과학상사 금속 시험편 성형성 평가 시스템 및 방법
CN112296141B (zh) * 2019-07-31 2022-09-02 嘉意机床（上海）有限公司 一种窄状钢板的加工设备及方法
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CN111969390A (zh) * 2020-06-29 2020-11-20 安徽佰尧电子科技有限公司 一种用于汽车连接器端子的折弯机构
CN112588987A (zh) * 2020-11-27 2021-04-02 吉林化工学院 一种机器人折弯机取放料装置
CN113649442B (zh) * 2021-08-18 2023-04-21 东莞市勤金实业有限公司 一种不锈钢薄板直角弯折装置
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US10384249B2 (en) 2014-10-08 2019-08-20 Trumpf Maschinen Austria Gmbh & Co. Kg. Handling system for bending tools

Also Published As

Publication number Publication date
PL2498928T3 (pl) 2014-07-31
AT508923A4 (de) 2011-05-15
AT508923B1 (de) 2011-05-15
US20120279275A1 (en) 2012-11-08
US9339860B2 (en) 2016-05-17
WO2011057312A1 (fr) 2011-05-19
CN102712022B (zh) 2015-10-21
JP5744894B2 (ja) 2015-07-08
ES2457235T3 (es) 2014-04-25
EP2498928B1 (fr) 2014-02-12
CN102712022A (zh) 2012-10-03
JP2013510002A (ja) 2013-03-21

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