• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a production plant (1) for the free-form bending of workpieces (2) to be produced from sheet metal, comprising a bending press (3) with press beams (13, 16) and tool holders (19, 20) with which a bending tool (4) is connected is. The bending tool (4) defines a working plane (33) extending between the press beams (13, 16). Furthermore, an auxiliary device (35) for intermediate positioning and undertaking a gripping operation of a manipulator (28) on the workpiece (2) is provided. The auxiliary device (35) comprises cooperating holding elements (36, 37), wherein the holding elements (36, 37) in each case on one of the press bars (13, 16) are arranged and clamping surfaces (38, 39), which arranged in a clamping position opposite to each other are and serve for clamping support of the workpiece to be manufactured (2).
    公开号:AT510840A4
    申请号:T3952011
    申请日:2011-03-21
    公开日:2012-07-15
    发明作者:
    申请人:Trumpf Maschinen Austria Gmbh；
    IPC主号:
    专利说明:

    4
    1
    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 Zwischenpositionie-tion and undertaking a gripping operation on the workpiece to be manufactured, as described in the preamble of claim 1.
    From AT 008 674 U1 for the manipulation of thin-walled, sheet-shaped workpieces with a gripping device of a handling device for performing machining operations on manufacturing equipment, for example, bending operations on bending presses often a Umgreifvorgang required, including the bending press on a front of a table beam Support device has. This is formed by spaced apart adjustable support brackets. For longer workpieces so that sagging of the workpiece can not be avoided, on the other hand, a bending process as well as a grasping is obstructed by a longitudinal support device many times. Furthermore, 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.
    This object of the invention is solved by the features of claim 1. The advantage resulting from the features of claim 1 lies in the fact that so even narrow components to be bent automatically processed and thus manual manipulations can be prevented at all. Thus, in combination with a manipulator or gripper, it is possible to carry out first bending operations on the workpiece, then to position the semi-finished workpiece in the auxiliary device and to hold it by clamping, wherein subsequently a corresponding gripping operation of the manipulator on the workpiece can take place. During the gripping process, the workpiece to be machined remains firmly positioned and subsequent precise further processing without additional, manual alignment and adjustment effort is possible. Because the holding elements are arranged on the press bar, additional drive units for the operation of the clamping or Haitevorrichtung fall away. Thus, 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 region of the auxiliary device by the manipulator. But this also allows the adjustment and straightening effort to be reduced, since an exact positioning of the workpiece can take place in the region of the bending press by means of the additional holding elements arranged on the press beams.
    Also advantageous is a further embodiment according to claim 2, as can be dispensed with additional clamping mechanisms. Thus, standardized clamping devices for the holding elements can be used, which are already used in the bending tools. This achieves economic simplification and, above all, lower stock distribution. In addition, however, it is also possible to use the holding elements automatically with the manipulator in the tool holders and there to keep aligned exactly aligned.
    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. As a result, 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.
    Due to the construction according to claim 4, it is possible to provide additional space in the area of the auxiliary device, so as to be able to carry out unhindered bending operations.
    According to another embodiment variant according to claim 5, the clamping of the workpiece between the holding elements is achieved only by a targeted adjustment. This makes it possible to avoid unintentional damage in the region of the holding elements during the bending process. N2011 / 03600 • · • · -3-
    Also advantageous is a development according to claim 6, as this unnecessary adjustment paths are avoided and at the same time the orientation and positioning in the clamping position is similar to that of the present in the bending process.
    In the embodiment according to claim 7 is advantageous that so a higher variability of the holding elements is achieved. In addition, it is easy to change individual parts of the retaining element and to be aware of different clamping situations as quickly as possible.
    Through the development according to claim 8 is achieved so that an additional centering and alignment of the insert element with respect to the cooperating support member can be achieved.
    Due to the design according to claim 9, the maximum clamping force can be better adjusted and thus damage to the workpiece can be easily avoided.
    Also advantageous is an embodiment according to claim 10, since a damping effect is thus created in the area of the clamping surfaces for the workpiece to be clamped during the clamping process. In addition, a simple replacement of the support element and thus associated with this clamping surface can be achieved even with heavy wear.
    According to one embodiment, as described in claim 11, so 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.
    I
    Finally, however, an embodiment as described in claim 12, possible, since so damage to the workpiece to be clamped reduced or even avoided.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
    In each case, in a highly schematically simplified representation: N2011 / 03600 -4-
    Figure 1 is a bending press of a manufacturing plant with an auxiliary device for intermediate positioning and undertaking a gripping operation on the workpiece to be manufactured, in view.
    Fig. 2, the bending press of Figure 1, in side view.
    Fig. 3, the auxiliary device according to the Rg. 1 and 2, in side view according to arrow III in Fig. 2 and enlarged view.
    By way of introduction, it should be noted that in the differently described Ausführungsfor-men the same parts are given the same reference numerals or the same component names, the revelations contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or the same component names. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and are to be transferred to the new situation mutatis mutandis when a change in position.
    In Figs. 1 and 2, a manufacturing plant 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 production plant 1 in this case 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 aligned parallel side cheeks 9,10 are arranged. These are preferably connected to each other by a solid, formed for example from a BEechformteil cross-dressing 11 at their spaced from the bottom plate 8 end portions.
    The side cheeks 9, 10 are approximately C-shaped in order to form a free space for turning over the workpiece 2, with a fixed press beam 13, in particular a table beam, standing on front floor surfaces 12 of bottom flanges of the side cheeks 9, 10 , At front end faces 14 of legs removed from the base plate 8, a press beam 13 which is relatively adjustable in terms of the press bar 16 is provided in linear guides 15, especially for press brackets 16, in particular a pressure bar, stored stored. On opposite, mutually parallel end faces 17,18 of the two press bars 13,16 tool holders 19, 20 are arranged for assembly with the bending tools 4. The one or more bending tools 4 can also be supported with the interposition of an adapter not shown on the tool holders 19, 20.
    The bending press 3 shown has as drive arrangement 21 for the adjustable press beam 16, namely the pressure bar, e.g. two powered by electric energy drive means 22, which are conductively connected to a fed from a power grid 23 control device 24. By way of example, 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 electric motor driven spindle drives 26, as they are generally known, of which Stellmitte! 27 for a reversible actuating movement of the upper beam bar 16 formed by the pressure bar with this, for example, are drive-connected.
    Further details required for the operation of such a bending press 3, such as safety devices, stop arrangements, control and measuring devices are omitted in the subject description to avoid unnecessary length of the description.
    Furthermore, the production plant 1 also comprises a manipulator 28, shown here in simplified form in FIG. 2, which removes at least a portion thereof 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 on the side facing the workpiece 2 to be produced. By a corresponding pivoting of the two gripping fingers 31, 32 against each other and applying a sufficient clamping force, the sheet metal or the workpiece 2 to be produced is held by the manipulator 28 and moved accordingly as well as positioned on the interaction of the clamping surfaces. With the Greifflngem 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. N2011 / 03600 • · • ·· ♦ · «• ·« * -6-
    Furthermore, it is shown here in simplified form that the two press beams 13, 16, in particular their tool holders 19, 20, when viewed in the longitudinal direction of the press beams 13, 16, define a working plane 33 extending therebetween. The working plane 33 preferably runs centrally with respect to the press beams 13, 16 or the tool holders 19, 20 arranged on them. In the present exemplary embodiment, a vertically aligned plane is understood here, in which a bending region 34 defined by the bending tool 4 is arranged or formed , In this case, 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 region 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.
    Furthermore, in FIG. 1, in addition to the bending tool 4, an auxiliary device 35 is shown in simplified form, which serves for the intermediate positioning and undertaking of a gripping operation of the manipulator 28 on the workpiece 2 to be produced. This auxiliary device 35 is used for Umgreifunterstützung for small parts to be manufactured, with which it is possible to automatically process smaller bent parts. This makes it possible to perform a gripping independently of the bending tools 4, wherein here 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 35 takes place.
    The auxiliary 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 most cases, the auxiliary device 35, in particular its holding elements 36, 37, is arranged laterally next to the bending tool 4 on the two press beams 13, 16 or held in a frontal view of the bending press 3. However, the holding elements 36, 37 are preferably inserted into the two tool receivers 19, 20 of the press beams 13, 16 and held in position thereon. Thus, the insertion and tensioning operation can be carried out similarly, as is possible for the bending punch 5 or the bending die 6 of the bending tool 4. The holding element or elements 36, 37 may also be referred to as holding stamps and are also distinguished by the fact that they serve as a replaceable tool and can be easily inserted into already existing holding or holding devices. The n2011 / 03600
    Clamping receptacles can be used. These are in the present case the mostly standardized tool frames 19, 20.
    In order to be able to carry out an unhindered bending operation in the region of the bending tool 4 and to avoid collisions in the area of the auxiliary device 35, in particular its holding elements 36, 37, at least one of the holding elements 36, 37 is between two positions or positions relative to the further holding element 36 , 37 designed to be movable.
    In Fig. 3 is simplified, the auxiliary device 35 in side view - that seen in a view in the longitudinal direction of the press beams 13,16 shown, wherein the two press bars 13,16 and the tool holders 19, 20 arranged thereon are indicated only schematically. As already described above, 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.
    In this embodiment shown here, 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. Thus, in a mutual relative displacement of the upper support member 36 this unhindered next to the lower support member 37, in particular its clamping surface 39, towards the lower press beam 13 are adjusted without it already comes in the region of the clamping surfaces 38, 39 to a collision ,
    In dashed lines then 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. In this position, the two holding elements 36, 37 to each other form a Klemmpo-tion, 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. N2011 / 03600
    -8th-
    The transverse displacement of at least one holding element 36, 37 in the vertical direction with respect to the working plane 33 can be achieved, for example, by a partial section of the respective tool holder 19, 20 being mounted so as to be adjustable relative to the press bar 13, 16. Regardless of this, it would also be possible, however, to align 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.
    Preferably, the lateral displacement of at least one of the clamping surfaces 38, 39 of one of the Haiteelemente 36, 37 on a side facing away from an operator side with respect to the plane defined by the press bars 13, 16 and the bending tool 4 working plane 33. Thus, the free working area in the Bending tool 4 is not unnecessarily limited by additional components.
    Seen in the vertical direction, the positioning of the fixed clamping surface -here in the present case the clamping surface 39 of the lower holding element 37 -is chosen such that it is arranged approximately in the region of the bending region 34 defined by the bending tool 4. Thus, in the clamping position, 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.
    Furthermore, it is shown here in FIG. 3 that at least one of the holding elements 36, 37 can be designed in several parts or in several pieces. For example, 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 surface 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. In this embodiment shown here, 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 EinspannsteUe 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. Thus, a transverse web is provided here between its clamping region and that section which carries the clamping surface 39 or forms N2011 / 03600. This is preferably located on an upper side of the tool holder 19 and is supported on this.
    The inserts 42, 43 may be interchangeable connected to the respective support members 40,41. In order to achieve a mutual centering or alignment of the inserts 42, 43 relative to the support members 40, 41, it may be advantageous if the insert 42.43 on its side facing away from the clamping surface 38, 39 a particular flachprofiiartig formed approach 44, 45 has. In the present embodiment, 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. In order to receive the projection 44, 45, a recess 46, 47 of opposite configuration is formed in the carrier part 40, 41, into which the projection 44, 45 is inserted.
    Furthermore, it is shown here in simplified form that the insertion part 42, 43 comprises on its end face 48, 49, which faces the respective other holding element 36, 37, a separate 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 to ensure a damping effect during the clamping process. This makes it possible, when replacing the support elements 50, 51 to take on different materials of the workpiece to be formed 2 Rüdesicht.
    However, the support element 50, 51 can also be arranged directly on the holding element 36, 37, if it does not comprise an additional insert 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. Thus, for example, a self-clamping effect of the support element 50, 51 in the respective recess 52, 53 can be achieved. In addition, however, even a simple change and replacement of the support elements 50, 51 when needed possible. Preferably, the material forming the support element 50, 51 is selected such that it has a lower hardness with respect to the material of the workpiece 2 to be clamped. Thus, the material of the support element 50, 51 is softer than the material of the workpiece 2. Damage caused by scratches, etc. in the surface area can be avoided. If, in addition, the material is chosen so that it has a lower modulus of elasticity with respect to the material to be clamped, conditional elastic deformations of the support element 50, 51 can also prevent damage to the workpiece 2 to be produced. As materials, e.g. Plastics, elastomers, rubber find application.
    In addition, it would also be possible, 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. For this purpose, it would be possible to provide a corresponding guide arrangement between the insert part 42, 43 and the carrier part 40, 41. This guide arrangement could be, for example, a dovetail guide, a bolt or round guide or the like. As a spring element, for example, pressure springs, elastic materials with spring-back properties, etc. can be used.
    For the sake of order, it should finally be pointed out that, for a better understanding of the construction of the production plant 1, in particular its auxiliary device 35, these or their components have been shown partly unevenly and / or enlarged and / or reduced.
    The problem underlying the independent inventive solutions can be taken from the description.
    The embodiments show possible embodiments of the manufacturing plant 1, in particular their auxiliary device 35, 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 mutually possible and this variation possibility due to Teaching for technical action by objective invention in the skill of those working in this technical field is the expert. 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, one-time features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions. N2011 / 03600
    -11 -
    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. N2011 / 03600
    Reference Designation 1 Production Plant 36 Retaining Element 2 Workpiece 37 Retaining Element 3 Bending Press 38 Clamping Surface 4 Bending Tool 39 Clamping Surface 5 Bending Stem 40 Carrier Part 6 Bending Plunger 41 Carrier Part 7 Machine Frame 42 Insertion Part 8 Base Plate 43 Insertion Part 9 Sidewall 44 Insertion 10 Sidewall 45 Attachment 11 Transverse Dressing 46 Recess 12 Fronstirnfläche 47 Recess 13 Pressenbalken 48 End face 14 Front end face 49 End face 15 Linear guide 50 Support element 16 Presser bar 51 Support element 17 End face 52 Cutout 18 End face 53 Cutout 19 Tool holder 20 Weikzeugaufnahme 21 Drive arrangement 22 Drive means 23 Power grid 24 Control device 25 Input terminal 26 Spindle drive 27 Stetlmittel 28 Manipulator 29 Supply stack 30 Gripper 31 Gripper finger 32 Gripping ring 33 Working plane 34 Bending area 35 Auxiliary device N2011 / 03600
    权利要求:
    Claims (11)
    [1]
    • · · 4 9 • 4 4 · • 4 9 4 9 «4 9 9 -1 - 9 9 9 · 9999 9 9 9 9 9 #

    1. production plant (1), in particular for the free-form bending of sheet metal to be produced workpieces (2), comprising a bending press (3), in particular press brake, with press beams (13,16) and tool holders (19,20), at least one bending tool (4), such as bending punch (5) or bending die (6), which optionally with the interposition of an adapter with the tool holders (19, 20) on the press bar (13, 16) is connected and the bending tool (4) between the pressed and an auxiliary device (35) for intermediate positioning and undertaking a gripping operation of a manipulator (28) on the workpiece to be manufactured (2), characterized in that the auxiliary device (35) cooperating holding elements (36, 37), wherein the at least two retaining elements (36, 37) are each arranged on one of the press beams (13, 16) and the Haite elements (36, 37) each have clamping surfaces (38, 39) have, which are arranged opposite to each other in a clamping position and serve for clamping support of the workpiece to be manufactured (2).
    [2]
    2. Production plant (1) according to claim 1, characterized in that the holding elements (36, 37) in the tool holders (19,20) of the press bar (13,16) are used and kept positioned at this.
    [3]
    3. Production plant (1) according to claim 1 or 2, characterized in that in a rest position of the auxiliary device (35) at least one of the clamping surfaces (38, 39) of the holding elements (36, 37) in the direction of the longitudinal extension of the press bars (13,16 ) is arranged laterally with respect to the working plane (33) defined by the bending tool (4).
    [4]
    4. Production plant (1) according to claim 3, characterized in that the at least one clamping surface (38, 39) of the holding elements (36, 37) on a side facing away from an operating side with respect to the by the bending tool (4) defined working plane (33). is arranged. N2011 / 03600 -2-
    [5]
    5. Production plant (1) according to one of the preceding claims, characterized in that at least one of the Haiteelemente (36, 37) relative to the press bar (13,16) in the vertical direction with respect to the working plane (33) adjustable between the rest position and the clamping position is.
    [6]
    6. Production plant (1) according to one of the preceding claims, characterized in that the cooperating clamping surfaces (38, 3Θ) of the holding elements (36, 37) seen in the clamping position in the vertical direction approximately in the region of a by the bending tool (4) Bending area (34) are arranged.
    [7]
    7. Production plant (1) according to one of the preceding claims, characterized in that the holding element (36, 37) comprises a carrier part (40, 41) and a clamping surface (38, 39) forming insert part (42, 43).
    [8]
    8. Production plant (1) according to claim 7, characterized in that the insert part (42, 43) on its side facing away from the clamping surface (38, 39) side has a particular flat profile-like projection (44, 45), which in a carrier part (40, 41) engages opposite trained recess (46, 47).
    [9]
    9. Fertigungsantage (1) according to claim 7 or 8, characterized in that the insert part (42,43) with the interposition of a spring element on the support part (40,41) is supported
    [10]
    10. Production plant (1) according to one of the preceding claims, characterized in that at least one of the holding elements (36, 37) or at least one insert part (42,43) on its the other holding element (36, 37) facing end face (48, 49 ) comprises a support element (50, 51), which projects beyond the end face (48, 49) onto the side facing the other holding element (36, 37), and the clamping surface (38, 39) is formed on the support element (50, 51).
    [11]
    11. Production plant (1) according to claim 10, characterized in that the support element (50, 51) in a in the end face (48, 49) formed recess (52, 53) is inserted. N2011 / 03600 12. Production plant (1) according to claim 10 or 11, characterized in that the support element (50, 51) forming material has a lower hardness than the material of the workpiece to be clamped (2). TRUMPF Maschinen Austria GmbH & Co. KG. by

    N2011 / 03600
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    同族专利:
    公开号 | 公开日
    WO2012126032A1|2012-09-27|
    EP2688693A1|2014-01-29|
    EP2688693B1|2015-10-14|
    AT510840B1|2012-07-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE2038237A1|1970-07-31|1972-02-03|Hurco Mfg Co Inc|Servo-operated in process gauging - for sheet metal bending presses|
    US4177666A|1978-04-24|1979-12-11|The Singer Company|Method and apparatus for safely feeding a machine manually|
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    EP0619151A1|1993-04-06|1994-10-12|Beyeler Raskin S.A.|Apparatus for manipulating a piece during successive bending operations of that piece in a press|
    AT8674U1|2005-02-17|2006-11-15|Trumpf Maschinen Austria Gmbh|BLECH BENDING DEVICE WITH A FILLING DEVICE|
    ITTO20050705A1|2005-10-07|2007-04-08|Crea Srl|PRESS BRAKE FOR SHEET PIECES WITH MANIPULATOR INTEGRATED IN A REAR POSITIONING DEVICE|CN105618531A|2014-10-28|2016-06-01|哈尔滨飞机工业集团有限责任公司|Rod bending device|
    CN110465778B|2019-06-28|2020-12-01|哈电集团（秦皇岛）重型装备有限公司|Manufacturing method of thin-wall quadrangular frustum pyramid and bending positioning device thereof|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    AT3952011A|AT510840B1|2011-03-21|2011-03-21|MANUFACTURING SYSTEM WITH AUXILIARY DEVICE FOR INTERMEDIATE POSITIONING OF WORKPIECES|AT3952011A| AT510840B1|2011-03-21|2011-03-21|MANUFACTURING SYSTEM WITH AUXILIARY DEVICE FOR INTERMEDIATE POSITIONING OF WORKPIECES|
    PCT/AT2012/050038| WO2012126032A1|2011-03-21|2012-03-20|Manufacturing plant having an auxiliary device for intermediately positioning workpieces|
    EP12720067.3A| EP2688693B1|2011-03-21|2012-03-20|Manufacturing plant having an auxiliary device for intermediately positioning workpieces|
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