EP2688693A1 - Fertigungsanlage mit hilfsvorrichtung zur zwischenpositionierung von werkstücken - Google Patents
Fertigungsanlage mit hilfsvorrichtung zur zwischenpositionierung von werkstückenInfo
- Publication number
- EP2688693A1 EP2688693A1 EP12720067.3A EP12720067A EP2688693A1 EP 2688693 A1 EP2688693 A1 EP 2688693A1 EP 12720067 A EP12720067 A EP 12720067A EP 2688693 A1 EP2688693 A1 EP 2688693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- clamping
- press
- production plant
- holding elements
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 75
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 10
- 241000282994 Cervidae Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- B21D5/0281—Workpiece supporting 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
- 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
- B21D43/003—Positioning devices
Definitions
- the invention relates to a manufacturing plant, in particular for the free-form bending of workpieces to be produced from sheet metal, with an auxiliary device for intermediate positioning and undertaking a gripping operation on the workpiece to be produced, as described in the preamble of claim 1.
- AT 008 674 Ul often requires an encompassing process for manipulating thin-walled, sheet-metal parts with a gripping device of a handling device, for carrying out machining operations on production devices, for example bending processes on bending presses, for which purpose the bending press on a front side of a table beam Supporting device has.
- This is formed by spaced apart adjustable support brackets.
- a sagging of the workpiece can not be avoided, on the other hand, a bending process as well as a gripping by a longitudinal Auflagevomchtung is often hindered.
- unwanted displacements of the workpiece may occur during the storage period of the workpiece on the support device.
- the present invention has for its object to increase the degree of automation in bending operations and thus to shorten the production time and to improve the efficiency.
- the bending press can cause both the bending operation and the clamping operation of the workpiece between the holding elements, after the workpiece to be manufactured has been brought into the area of the auxiliary device by the manipulator. But this also allows the adjustment and straightening effort to be reduced, since in the region of the bending press can be done by the arranged on the press beams additional holding elements exact positioning of the workpiece.
- Another advantage is an embodiment according to claim 3, since such an unhindered bending operation can take place in the region of the bending tool, without causing a collision between the holding elements.
- the bending process can take place unhindered with the bending tool in a known manner, wherein only after a corresponding displacement of at least one of the retaining elements from their rest position to the clamping position, a clamping of the workpiece to be manufactured.
- the clamping of the workpiece between the holding elements is achieved only by a targeted adjustment.
- the damping effect of the support element can be improved and in addition a better support of the support element on the support stamp, in particular its insert element, can be achieved.
- FIG. 1 shows a bending press of a production s anläge with an auxiliary s device for intermediate positioning and undertaking a gripping operation on the workpiece to be produced, in view;
- FIG. 2 the bending press of Figure 1, in side view.
- Fig. 3 shows the auxiliary device according to FIGS. 1 and 2, in side view according to arrow III in Fig. 2 and enlarged view.
- FIGS. 1 and 2 a production s anläge 1 is shown in particular for the free-form bending of sheet metal to be produced workpieces 2 in a highly schematically simplified representation.
- the manufacture s anläge 1 here comprises a bending press 3, in particular a press brake, for the production of the workpieces 2 or workpieces between relatively adjustable bending tools 4, such as bending punch 5 and bending die. 6
- a machine frame 7 of the bending press 3 consists for example of a bottom plate 8 on the vertically upstanding, spaced from each other and mutually parallel 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, on the bottom plate 8 upstanding press bar 13, in particular a table bar, is fixed to front end faces 12 of bottom flanges of the side cheeks 9, 10 , At front end faces 14 of the bottom plate 8 remote legs is in linear guides 15 a to the table beam forming press bar 13 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 tool or tools 4 can also be mounted on the tool receivers 19, 20 with the intermediary of an adapter (not shown).
- the bending press 3 shown has as drive arrangement 21 for the adjustable press beam 16, namely the pressure bar, e.g. two electrically powered drive means 22 which are conductively connected to a control device 24 fed from a power grid 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 preferably electromotively operated spindle drives 26, as they are generally known, of which adjusting means 27 for a reversible
- Adjustment movement of the upper beam bar 16 formed by the pressure bar with this, for example, are drive-connected.
- the production plant 1 also comprises a manipulator 28, shown here in simplified form in FIG. 2, which extracts at least a portion thereof from a schematically indicated supply stack 29 of sheets to be deformed or folded and spends it into the work 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 on the side facing the workpiece 2 to be machined.
- the gripper fingers 31, 32 of the gripping tongs 30 is a corresponding gripping and later ensured due to the clamping movement sufficient support for the workpiece to be produced from the sheet 2.
- the working plane 33 preferably runs centrally with respect to the press beams 13, 16 or the tool holders 19, 20 arranged on them.
- a vertically aligned plane is understood here, in which a bending region 34 defined by the bending tool 4 is also arranged or is trained.
- the term bending region 34 is understood to mean the region which serves to form the workpiece 2 to be produced from the metal plate, which is still largely undeformed and is present for the most part planarly.
- the bending tool 34 lies mostly in the working plane 33 and is formed or defined by the cooperating components of the bending tool 4, namely the bending punch 5 and the bending die 6.
- This Hilfsvorrich- device 35 serves to Umgreifunterstützung for small parts to be manufactured, with which it is possible to work off smaller bending parts automatically. This makes it possible to perform a gripping independently of the bending tools 4, in which case the clamping of the workpiece 2 by the mutual displacement of at least one press bar 13, 16 and associated therewith also a part of the auxiliary device s 35 takes place.
- the Hilf s device 35 shown here comprises cooperating holding elements 36, 37, which in turn in the clamping position each facing each other and cooperating clamping surfaces 38, 39 for clamping support of the workpiece to be manufactured 2 have. In this clamping position, the clamping surfaces 38, 39 are opposite each other.
- the auxiliary device 35 in particular its holding elements 36, 37, arranged at a frontal view of the bending press 3 laterally adjacent to the bending tool 4 on the two press beams 13, 16 and held thereon.
- the holding elements 36, 37 are preferably inserted into the two tool receivers 19, 20 of the press bars 13, 16 and held in position thereon.
- the one or more holding elements 36, 37 may also be referred to as holding stamp and are also characterized by the fact that they serve as a replaceable tool and can be easily inserted into existing holding or clamping receptacles. These are in the present case the mostly standardized tool holders 19, 20.
- At least one of the holding elements 36, 37 is relatively in relation to one another between two positions or positions the further holding element 36, 37 designed to be displaceable.
- the auxiliary device 35 is shown in a side view in simplified fashion-that is to say in a view in the longitudinal direction of the press beams 13, 16, wherein the two press beams 13, 16 and the tool receivers 19, 20 arranged thereon are only schematically indicated.
- the here lower press beam 13 is stationary on the machine frame 7 and the other press beam 16 relative to the machine frame 7 in a vertical adjustment direction adjustable.
- the first holding element 36 of the auxiliary device 35 is arranged on the upper press bar 16, in particular used in the tool holder 20 and held fixedly positioned there.
- the orientation with respect to the working plane 33 is selected so that here the upper holding element 36 is preferably aligned and arranged centrally with respect to the working plane 33.
- the lower holding element 37 is shown in its two possible positions. In full lines the rest position is shown, in which the clamping surface 39 of the holding member 37 is laterally offset with respect to the clamping surface 38 of the upper holding member 37 is arranged.
- the working position of the lower support member 37 is shown, in which this has also been adjusted or shifted to the working plane 33 and so the two clamping surfaces 38, 39 are arranged opposite to each other.
- the two holding elements 36, 37 to each other form a clamping position, in which the workpiece to be clamped after appropriate displacement of the upper press beam 16 to the lower press beam 13 between the two clamping surfaces 38, 39 of the holding members 36, 37, the sheet or the workpiece to be manufactured 2 can be clamped.
- the transverse displacement of at least one retaining element 36, 37 in the vertical direction with respect to the working plane 33 can be achieved, for example, by supporting a partial section of the relevant tool holder 19, 20 relative to the press beam 13, 16.
- the lower holding element 37 centrally with its clamping surface 39 to the working plane 33 and to adjust the first holding element 36 so as to be adjustably adjustable with respect to the working plane 33 on the upper press bar 16.
- This lateral displacement into the rest position serves to prevent collisions of the holding elements 36, 37 during the execution of the bending operation.
- the lateral displacement of at least one of the clamping surfaces 38, 39 of one of the holding elements 36, 37 takes place on a side facing away from an operating side with respect to the plane defined by the press bars 13, 16 and the bending tool 4 working plane 33.
- the free working area in the Bending tool 4 is not unnecessarily limited by additional components.
- the positioning of the fixed clamping surface - in this case the clamping surface 39 of the lower holding element 37 - is selected such that it is approximately in the region of the bending region 34 defined by the bending tool 4. is orders.
- the clamping surfaces 38, 39 of the holding elements 36, 37 seen in the vertical height direction arranged approximately in the region of the bending region 34 of the here also fixedly arranged lower bending die 6.
- at least one of the holding elements 36, 37 can be designed in several parts or in multiple pieces.
- one of the holding elements 36, 37 in the present case both holding elements 36, 37, each comprise a carrier part 40, 41 as well as an insert part 42, 43 forming the clamping face 38, 39.
- the one or more support members 40, 41 serve to be used in the respective tool holders 19, 20 and kept there positioned.
- the upper support member 40 in side view - ie in the longitudinal direction of the press beams 13, 16 - seen in approximately rectilinear between the clamping point in the tool holder 20 and the clamping surface 38 is formed.
- the further carrier part 41 has an angled orientation in the same viewing direction.
- a transverse web is provided between its clamping region and that section which carries or forms the clamping surface 39. This is preferably located on an upper side of the tool holder 19 and is supported on this.
- the insert parts 42, 43 can be exchangeably connected to the respective carrier parts 40, 41.
- the insert 42, 43 on its side facing away from the clamping surface 38, 39 a particular flachpro- filartig trained approach 44, 45.
- the lugs 44, 45 are arranged laterally with respect to the clamping surfaces 38, 39. In this case, an alignment of their outer side to a side wall of the respective carrier part 40, 41 has shown to be advantageous.
- a recess 46, 47 of opposite design is formed in the carrier part 40, 41, in which the projection 44, 45 is inserted.
- the insert part 42, 43 comprises on its end face 48, 49 facing the respective other holding element 36, 37 its own support element 50, 51, which supports the respective end face 48, 49 on the other holding element 36, 37 facing side overlooked.
- This support element 50, 51 can serve to prevent damage to the workpiece 2 to be clamped during the holding process or a To ensure damping effect during the clamping process. This makes it possible, with an exchange of the support elements 50, 51 to take different materials of the workpiece 2 to be considered.
- the support element 50, 51 can also be arranged directly on the holding element 36, 37, if this does not comprise an additional insert part 42, 43. When using a support element 50, 51 then this forms the respective clamping surface 38, 39 from.
- the support element 50, 51 is preferably inserted into a recess 52, 53 formed in the end face 48, 49.
- a self-clamping effect of the support element 50, 51 in the respective recess 52, 53 can be achieved.
- even a simple change and replacement of the support elements 50, 51 when needed possible is selected such that it has a lower hardness with respect to the material of the workpiece 2 to be clamped.
- the material of the support element 50, 51 is softer than the material of the workpiece 2. As a result, damage by scratches, etc. in the surface area can be avoided.
- conditional elastic deformations of the support element 50, 51 can also prevent damage to the workpiece 2 to be produced.
- materials eg plastics, elastomers, rubber can be used.
- At least one of the inserts 42, 43 support with the interposition of a spring element on the support member 40, 41, so as to provide an additional damping effect at the beginning of the clamping operation in the clamping position or clamping position holding element 36, 37th in the range of the clamping surfaces 38, 39 to achieve.
- This guide arrangement could be, for example, a dovetail guide, a bolt or round guide or the like.
- a spring element for example, compression springs, elastic materials with spring-back properties, etc. can be used.
- Linear guide 45 approach press bar 46 recess end face 47 recess end face 48 end face tool holder 49 end face tool holder 50 support element drive assembly support element drive means recess energy network recess control device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT3952011A AT510840B1 (de) | 2011-03-21 | 2011-03-21 | Fertigungsanlage mit hilfsvorrichtung zur zwischenpositionierung von werkstücken |
PCT/AT2012/050038 WO2012126032A1 (de) | 2011-03-21 | 2012-03-20 | Fertigungsanlage mit hilfsvorrichtung zur zwischenpositionierung von werkstücken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2688693A1 true EP2688693A1 (de) | 2014-01-29 |
EP2688693B1 EP2688693B1 (de) | 2015-10-14 |
Family
ID=46052476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12720067.3A Active EP2688693B1 (de) | 2011-03-21 | 2012-03-20 | Fertigungsanlage mit hilfsvorrichtung zur zwischenpositionierung von werkstücken |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2688693B1 (de) |
AT (1) | AT510840B1 (de) |
WO (1) | WO2012126032A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113084003A (zh) * | 2021-03-05 | 2021-07-09 | 重庆市众钰顺科技有限公司 | 一种用于空调外壳生产的铝合金冲压模具 |
WO2022133507A1 (de) | 2020-12-23 | 2022-06-30 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Biegeanlage und manipulator mit rotierbarer greiferanordnung |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105618531A (zh) * | 2014-10-28 | 2016-06-01 | 哈尔滨飞机工业集团有限责任公司 | 一种棒材弯型装置 |
CN110465778B (zh) * | 2019-06-28 | 2020-12-01 | 哈电集团(秦皇岛)重型装备有限公司 | 一种薄壁四棱锥台制造方法及其折弯定位装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2038237C3 (de) * | 1970-07-31 | 1980-07-24 | Hurco Manufacturing Co., Inc., Indianapolis, Ind. (V.St.A.) | Einstellvorrichtung für eine Metallbearbeitungsmaschine, insbesondere eine Biegepresse |
US4177666A (en) * | 1978-04-24 | 1979-12-11 | The Singer Company | Method and apparatus for safely feeding a machine manually |
JPS594918A (ja) * | 1982-06-30 | 1984-01-11 | Mitsubishi Electric Corp | プレスブレ−キ用板保持装置 |
US4989444A (en) * | 1988-08-09 | 1991-02-05 | Daikin Industries, Ltd. | Industrial robot for pressing system, pressing system, and method for bending plate material |
EP0619151A1 (de) * | 1993-04-06 | 1994-10-12 | Beyeler Raskin S.A. | Vorrichtung zum Manipulieren eines Werkstücks während aufeinanderfolgenden Biegeoperationen in einer Presse |
JP2003181542A (ja) * | 2001-12-17 | 2003-07-02 | Amada Co Ltd | 曲げ加工装置 |
AT8674U1 (de) * | 2005-02-17 | 2006-11-15 | Trumpf Maschinen Austria Gmbh | Blechbiegeeinrichtung mit einer ablagevorrichtung |
ITTO20050705A1 (it) * | 2005-10-07 | 2007-04-08 | Crea Srl | Pressa piegatrice per pezzi di lamiera con manipolatore integrato in un dispositivo di posizionamento posteriore |
-
2011
- 2011-03-21 AT AT3952011A patent/AT510840B1/de active
-
2012
- 2012-03-20 WO PCT/AT2012/050038 patent/WO2012126032A1/de active Application Filing
- 2012-03-20 EP EP12720067.3A patent/EP2688693B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012126032A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022133507A1 (de) | 2020-12-23 | 2022-06-30 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Biegeanlage und manipulator mit rotierbarer greiferanordnung |
CN113084003A (zh) * | 2021-03-05 | 2021-07-09 | 重庆市众钰顺科技有限公司 | 一种用于空调外壳生产的铝合金冲压模具 |
CN113084003B (zh) * | 2021-03-05 | 2022-11-11 | 重庆市众钰顺科技有限公司 | 一种用于空调外壳生产的铝合金冲压模具 |
Also Published As
Publication number | Publication date |
---|---|
AT510840B1 (de) | 2012-07-15 |
AT510840A4 (de) | 2012-07-15 |
EP2688693B1 (de) | 2015-10-14 |
WO2012126032A1 (de) | 2012-09-27 |
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