• 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 bending press (3), in particular a press brake, with a machine frame (7) and press beams (13, 16) and tool holders (19, 20) and bending tools (4, 4) arranged or formed on the press beams (13, 16) ) in the form of a bending punch (5) or a bending die (6), wherein a receiving portion (35) of the bending tools (4) in a receiving groove (34) of the tool holder (19, 20) are added. The tool holder (19, 20) and a driver (41) associated with the bending tool (4) are designed as linear motors, whereby the bending tool (4) can be positioned in a direction (32) parallel to a bending edge (31).
    公开号:AT517706A4
    申请号:T50897/2015
    申请日:2015-10-20
    公开日:2017-04-15
    发明作者:
    申请人:Trumpf Maschinen Austria Gmbh & Co Kg；
    IPC主号:
    专利说明:

    The invention relates to a bending press, as indicated in claim 1.
    Several different devices are known from the prior art, which allow the automatic setup of bending tools on a bending press. In most cases, a manipulation robot or the backgauge unit is used to set up the bending tools on the bending machine. In this case, the bending tool is removed by means of the manipulation robot or the Hinteranschlageinheit from the tool storage and positioned depending on the tool receiving system in the tool holder. One possibility here is that the bending tool is inserted along the longitudinal alignment of the tool holder in this and is thus positioned. Another possibility is that the bending tool is used by the manipulation robot or the Hinteranschlageinheit directly at its end position in a direction perpendicular to the longitudinal direction, in which case a locking mechanism for inserting the tool must be present in the bending tool.
    These embodiments have the disadvantage that the manipulation robot or the back-stop unit must have a large working range in order to be able to position the bending tools along the entire longitudinal extension of the tool holder. As a result, the manipulation robot or the back-stop unit become very complex and very heavy. Furthermore, the bending tools can only be removed individually from the tool storage and used in the tool holder, which requires a lot of time.
    Furthermore, devices are known in which a bending tool is used by a manipulation device in the tool storage and is then positioned by means of a spindle drive or by means of a rack in the longitudinal direction of the tool storage.
    These embodiments have the disadvantage that a spindle drive, or a rack are expensive to produce and are therefore expensive to buy. Furthermore, separate receiving constructions for receiving the bending tools must be used for such a drive method, whereby the complexity of the manufacturing system increases again.
    The present invention has for its object to provide a bending press, which has an improved device for tooling.
    This object of the invention is achieved by the measures according to claim 1.
    According to the invention, a bending press, in particular a press brake, with a machine frame and press beam and tool holders and bending tools arranged and formed on the press beams in the form of a bending punch or a bending die, wherein a receiving portion of the bending tools are received in a receiving groove of the tool holder. The tool holder and a driver associated with the driver device are designed as a linear motor, whereby the bending tool can be positioned in a direction parallel to a bending edge direction.
    An advantage of the inventive design of the bending press is that no external device must be provided for moving the bending tool. In addition, no additional moving parts are necessary, which are subject to wear. Thus, the bending tools can be moved in the tool holder as simple and efficient. Furthermore, a design as a linear motor has the advantage that individual bending tools can be moved independently of each other and thus the flexibility of the bending press can be increased.
    Furthermore, it may be appropriate that the tool holder is designed as a long stator. The advantage here is that thereby the cost of a realization of a linear motor can be kept as low as possible. In particular, the individual bending tools do not have to be equipped with windings.
    Furthermore, it can be provided that the driver device is designed as a shuttle, which is guided in the tool holder and can be coupled to the receiving portion of the bending tool. The advantage here is that not every single bending tool must be equipped with permanent magnets, but that only the shuttle, which can be coupled with the bending tool, must have the permanent magnets. As a result, the production costs for the bending press can be kept low.
    In addition, it can be provided that the shuttle can be coupled by means of retractable pins with the receiving portion of the bending tool. The advantage here is that the shuttle can be easily coupled with the to be moved bending tool.
    Alternatively, it can be provided that the driver device is formed integrally with the receiving portion of the bending tool. If the driving device is formed directly in the bending tool, this has the advantage that each of the bending tools can be moved individually and independently of each other. In addition, no additional component in the form of a shuttle must be designed to move the bending tools can.
    According to a development, it is possible that a cleaning shuttle is arranged in the tool holder, which is designed to clean the receiving groove of the tool holder, wherein the cleaning shuttle also acts as a linear motor with the tool holder. The advantage here is that with the cleaning shuttle the tool holder can be cleaned of dirt and thus the bending tools can be easily absorbed in the tool holder.
    Furthermore, it may be expedient that permanent magnets are arranged in the driver device. The advantage here is that permanent magnets can be easily arranged in the driver, wherein the linear motor is designed as a synchronous motor.
    In addition, it can be provided that in the region of the receiving groove of the tool holder, a three-phase winding system is arranged, wherein the winding system is controlled by a control device such that individual of the recorded in the tool holder bending tools are independently displaced. The advantage here is that the winding system is added as space-saving and insensitive to mechanical damage in the tool holder.
    Furthermore, it can be provided that the winding system is arranged on a groove bottom of the receiving groove and that the permanent magnets are arranged on an end face of the receiving portion of the bending tool. The advantage here is that the linear motor can be as simple as possible.
    According to an alternative variant, it is possible that the winding system is formed on at least one side surface of the receiving groove and that the permanent magnets are arranged on at least one side surface of the receiving portion of the bending tool. The advantage here is that no vertical force component is exerted on the bending tool by the winding system.
    According to an advantageous development can be provided that the winding system is formed on both side surfaces of the receiving groove and that the permanent magnets are arranged on both side surfaces of the receiving portion of the bending tool, wherein the two winding systems are arranged symmetrically with respect to a median plane of the tool holder. In particular, the force applied by the winding system in the bending tool due to the symmetry is canceled by such a design, whereby the sliding friction between the bending tool and tool holder can be reduced. In particular, this allows the bending tools are moved smoothly in the tool holder.
    Furthermore, it may be advantageous that the winding system extends over the entire length of the tool holder. As a result, the bending tools can be moved over the entire length of the tool holder.
    Furthermore, it can be provided that a sensor is provided, which is provided for detecting the position of the bending tool. By the sensor, the position of the individual bending tools can be detected or specified using a control.
    In addition, it can be provided that the sensor is arranged on the tool holder. The advantage here is that only one sensor must be provided, which is used for the entirety of the bending tools and that not every bending tool a single sensor must be formed on the bending tool.
    Furthermore, it can be provided that a clamping device is formed in the bending tool, which clamping device can be released by the magnetic field of the winding system. The advantage here is that the bending tool can be secured against unintentional displacement in the tool holder by means of the clamping device. In particular, it is advantageous that the clamping device can be released by the magnetic field of the winding system. Thus, no additional actuating or activating mechanism is needed to release the clamping device.
    According to a development, it is possible that the tool holder has an attachment strip, which is arranged outside the receiving groove and in which the winding system is integrated. The advantage here is that the top strip can be easily attached to the tool holder and thus the winding system, if necessary, can be arranged removably on the tool holder.
    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 simplified, schematic representation:
    Fig. 1 is a front view of a production line with a bending press;
    2 is a schematic cross-sectional view of a first embodiment of a bending tool with tool holder;
    3 is a schematic cross-sectional view of a second embodiment of a bending tool with tool holder;
    4 is a schematic cross-sectional view of a third embodiment of a bending tool with tool holder;
    5 is a schematic cross-sectional view of a fourth embodiment of a bending tool with tool holder;
    6 is a schematic cross-sectional view of a fifth embodiment of a bending tool with tool holder;
    7 is a schematic cross-sectional view of a sixth embodiment of a bending tool with tool holder;
    Fig. 8 is a schematic longitudinal sectional view of an embodiment of a bending tool with tool holder.
    By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same component names, the disclosures contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or 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 these position information in a change in position mutatis mutandis to transfer to the new location.
    1 shows an alternative embodiment of a production plant 1 for the free bending of workpieces 2 to be produced from sheet metal in a 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 relatively adjustable bending tools 4, such as bending punch 5 and bending die 6. The bending punch 5 can also be referred to as an upper tool and the bending die 6 as a lower tool ,
    A machine frame 7 of the bending press 3 comprises, for example, a base plate 8, on which vertically upwardly spaced, spaced apart in the transverse direction and parallel to each other side cheeks 9, 10 may be 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 may be formed 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 may be 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. At legs of front end faces 14 which are remote from the base plate 8, in linear guides 15 a press beam 13 forming a table beam can be mounted in a manner that can be displaced relative to a further adjustable pressing beam 16, in particular a pressure beam.
    On opposite, parallel to each other extending end faces 17, 18 of the two pressing bars 13, 16 can be arranged or designed for mounting with the bending tools 4 tool holders 19, 20.
    The bending press 3 shown has as drive arrangement 21 for the adjustable pressing beam 16, namely the pressure beam, at least one, here two drive means 22, which are e.g. are fed with electrical energy from a power grid 23 or by a hydraulic circuit and additionally can be line connected to a control device 24. For example, the operation of the bending press 3 is controlled in accordance with the control device 24 line-connected input terminal 25.
    The drive means 22 may be e.g. to act electromotive spindle drives 26, as they are well known, of which adjusting means 27 for a reversible positioning movement of the upper beam formed by the pressure bar 16 with this, for example, are drive-connected. Regardless of this, it would also be possible to form the drive means 22 by means of hydraulically and / or pneumatically actuatable actuating means. It can find cylinder-piston arrangements application. But it would also be other drive means, such as. Eccentric drives, toggle drives, rack drives, etc. conceivable. All of the above-mentioned execution features or individual features of the description of the figures are mentioned in order to describe an exemplary production plant 1 or bending press 3, to which reference may be made in the following part of the description of the figures. All described individual features are therefore not absolutely necessary for the inventive design and can be omitted, or replaced by other features to obtain a functional bending press 3.
    Furthermore, it is shown here in simplified form that the bending tools 4, in particular the bending punch 5 and / or the bending die 6, can each have recesses 28, 29 for manipulating the same. Manipulating the bending tool 4 is understood here to mean that this or its bending punch 5 and / or bending die 6 is automatically removed from a tool store by means of a manipulation device and automatically moved to an insertion position 30 of the tool receptacles 19, 20 of the pressing bars 13, 16 and inserted there is held clamped. The insertion position 30 can be defined at any point of the tool holders 19, 20. In addition, it is also possible that the insertion position 30 is selected differently depending on the current requirement. It can also be spoken of a tool change system, with which the exchange operations can be performed with the necessary system parts.
    This manipulation device can be designed in the form of a manipulator, which is used, for example, for workpiece handling. Furthermore, it is possible that the manipulation device is formed for example by a back stop unit, which is designed to take over also manipulation activities. In addition to these and other possible embodiments, it is also possible that a manipulator designed especially for the purpose of handling bending tools is used as the manipulation device.
    The bending tools 4 have a bending edge 31, which extends in a longitudinal direction of the bending tool 4. The bending edge 31 also defines the course of the bending line on the workpiece 2 to be bent. The bending tools 4 are received in the tool holder 19, 20 in such a way that they can be displaced as required in a direction 32 parallel to the bending edge 31. In particular, it can be provided that the bending tools 4 over the entire length 33 of the tool holder 19, 20 are displaceable.
    Fig. 2 shows a sectional view of an embodiment of the bending tool 4 and the tool holder 19, 20, wherein in turn for the same parts the same reference numerals or component designations as in the preceding Fig. 1 are used. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding FIG.
    As can be seen from FIG. 2, it can be provided that the tool holder 19, 20 has a receiving section 34, which receiving section 34 can be designed, for example, in the form of a U-shaped groove. Correspondingly, the bending tool 4 may have a receiving portion 35, which is designed to be received in the receiving groove 34. In particular, it can be provided that between bend tool 4 and tool holder 19, 20 by appropriate technical measures, the action of a linear motor 36 is constructed. By forming the linear motor 36, the bending tool 4 can be moved in the direction 32 parallel to the bending edge 31. It is not necessary that additional mechanically movable components in the tool holder 19, 20 are installed in order to move the bending tool 4 can.
    For example, as shown in FIG. 2, it may be provided that the linear arm motor 36 is constructed in the form of a long stator linear motor, wherein a winding system 36 is arranged in the tool holder 19, 20. The winding system 37 may be arranged, for example, in the region of the groove bottom 38 of the receiving groove 34.
    Furthermore, it can be provided that in the bending tool 4, one or more permanent magnets 39 are arranged, which cooperate with the winding system 37 to generate a magnetic force. Such a structure with a winding system 37 as a stator and permanent magnet 39, which are integrated in the rotor, is referred to as a synchronous linear motor.
    In a further embodiment, it is also conceivable that an asynchronous linear motor is formed. In such an embodiment, instead of the permanent magnets 39 windings are integrated in the rotor, in which currents are induced.
    Furthermore, it can be provided that the winding system 37 extends over the entire length 33 of the tool holder 19, 20, wherein next to the tool holder 19, 20 a tool storage is arranged in which the bending tools 4 are moved. In addition, it can be provided that in the tool storage also a winding system is arranged, which serves for the further transport of the bending tools 4 in the tool storage.
    As can be seen from FIG. 2, it can be provided that the permanent magnets 39 are arranged on an end face 40 of the receiving section 35 of the bending tool 4. That part of the receiving portion 35, in which the permanent magnets 39 are inserted, can also be referred to as a driver 41.
    As further shown in FIG. 2, it can be provided that the winding system 37 is embedded directly in the tool holder 19, 20.
    Fig. 3 shows an alternative embodiment of the tool holder 19, 20, wherein in turn for the same parts the same reference numerals or Bauteilbezeichnun gene as in the previous figures 1 and 2 are used. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figures 1 and 2 or reference.
    In the embodiment shown here, the winding system 37 is not formed directly in the tool holder 19, 20, but a winding system receptacle 42 is provided, in which the winding system 37 is inserted and which in turn is received in the tool holder 19, 20. The winding system receptacle 42 can be designed such that it improves the magnetic properties of the winding system 37. For example, it can be provided that the winding system receptacle 42 comprises an iron core 43 and outside of the winding system 37, for example, a plastic is formed.
    Furthermore, it can be provided that on the tool holder 19, 20 a sliding lining 44 is formed, by which the displacement of the bending tool 4 is facilitated. In an alternative variant can also be provided that the sliding coating 44 is arranged on the bending tool 4 and acts analogously to the embodiment shown. Instead of the sliding coating 44 may also be formed a sliding bearing assembly.
    FIG. 4 shows a further embodiment of a bending tool 4 and a corresponding tool holder 19, 20, again using the same reference numerals or component designations for the same parts as in the preceding FIGS. 1 to 3. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 3 or reference.
    As can be seen from FIG. 4, it can be provided that the winding system 37 is arranged on a side surface 45 of the receiving groove 34. Correspondingly it can be provided that the permanent magnets 39 are arranged in a side surface 46 of the receiving portion 35.
    In another embodiment, not shown, it can also be provided that the winding system 37 is arranged in both side surfaces 45 of the receiving groove 34 and that the permanent magnets 39 are arranged in both side surfaces 46 of the receiving portion 35. The components are in this case preferably formed symmetrically with respect to a center plane 47. Such a design has the advantage that the magnetic forces can cancel in a transverse direction 48 and thereby can be avoided that an increased frictional force between the bending tool 4 and tool holder 19, 20 occurs.
    In particular, can be provided in such an embodiment that the permanent magnet 39 and the winding system 37 are arranged such that the bending tool 4 is slightly raised in the vertical direction when activating the magnetic displacement or the magnetic force, so that the friction between the bending tool 4 and tool holder 19, 20 is reduced.
    Furthermore, it can be provided in all described embodiments that a sensor 49 is formed, which sensor 49 serves to detect the position of the bending tool 4. The sensor 49 may be arranged in the tool holder 19, 20, it being possible to provide that different bending tools 4 can be identified and detected by the sensor 49. The sensor may be formed, for example, as an optical sensor. Furthermore, it is also conceivable that the sensor is designed as a proximity sensor, such as a Hall sensor.
    In an alternative variant can also be provided that the sensor 49 is arranged in the bending tool 4, in particular, for example, be provided that in the tool holder 19, 20 an incremental encoder is arranged, which cooperates with the sensor 49.
    FIG. 5 shows a further exemplary embodiment of a bending tool 4 and a tool holder 19, 20, wherein the same reference numerals or component designations are again used for the same parts as in the preceding FIGS. 1 to 4. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figures 1 to 4 or reference.
    As can be seen from FIG. 5, provision can be made for the entrainment device 41 to be designed in the form of a shuttle 50, which may be guided in the tool receptacle 19, 20, for example. The guidance of the shuttle 50 in the tool holder 19, 20 can be realized, for example, by guide rollers 51 formed laterally on the shuttle 50. Furthermore, it can be provided that the permanent magnets 39 are arranged, for example, on an underside of the shuttle 50. The shuttle 50 may for example have one or more pins 52, which are designed to Flerstellen a positive connection between the shuttle 50 and bending tool 4. Thereby, the bending tool 4 by means of the shuttle 50 in the tool holder 19, 20 are moved.
    In another variant, not shown, it can be provided that the shuttle 50 has an attachment and is therefore provided as a cleaning shuttle 53 for cleaning the receiving groove 34 of the tool holder 19, 20.
    FIG. 6 shows a further exemplary embodiment of a bending tool 4 and a tool holder 19, 20, again using the same reference numerals or component designations for the same parts as in the preceding FIGS. 1 to 5. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 5 or reference.
    As can be seen from FIG. 6, it can be provided that a clamping device 54 is formed in the bending tool 4, which clamping device 54 serves to clamp the bending tool 4 in the tool holder 19, 20. By clamping the bending tool 4 can be avoided that the bending tool 4 undesirably slips in the longitudinal direction of the tool holder 19, 20. The clamping device 54 may for example be designed such that it is activated by the winding system 37. It can thereby be achieved that the clamping applied by the clamping device 54 is released when the traversing movement of the bending tool 4 is initiated.
    Such a clamping system can for example be realized in that a clamping jaw 55 is provided, which is arranged in the bending tool 4 and is pressed by a spring 56 against the tool holder 19, 20. The jaw 55 may be disengaged via an actuating system 57. The actuation system 57 may comprise, for example, a cable or a lever system, which may be coupled to the permanent magnet or to another actuator. This actuator can be activated by the winding system 37.
    Fig. 7 shows a further embodiment of a bending tool 4 and a tool holder 19, 20, wherein in turn the same reference numerals or component designations are used as in the previous figures 1 to 6 for the same parts. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 6 or reference.
    In the embodiment according to FIG. 7, the winding system 37 is arranged in a top strip 58. The top strip 58 may in this case be arranged on the surface of the tool holder 19, 20. Contiguous it can be provided that a permanent magnet 39 is arranged laterally on the bending tool 4. According to the embodiments already described, the permanent magnet 39 can cooperate with the top strip 58 or with the winding system 37 arranged in the top strip 58.
    Such an embodiment with a top strip 58 has the advantage that the top strip 58 can be retrofitted if necessary in an existing tool holder 19, 20.
    Fig. 8 shows a section in the longitudinal direction of the bending tool 4, wherein in turn the same reference numerals or component names are used as in the previous figures 1 to 7 for the same parts. To avoid unnecessary repetition, reference is made to the detailed description in the preceding figures 1 to 7 or reference.
    As can be seen from FIG. 8, it can be provided that a plurality of permanent magnets 39 are arranged in a longitudinal extension of the bending tool 4.
    The embodiments show possible embodiments of the manufacturing plant 1, wherein it should be 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 flanders by representational invention in the skill of those skilled in this technical field.
    Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions.
    The task underlying the independent inventive solutions can be taken from the description. All statements of value ranges in the present description should be understood to include any and all sub-ranges thereof, e.g. is the statement 1 to 10 to be understood that all sub-areas, starting from the lower limit 1 and the upper limit 10 are included, ie. all sub-areas begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.
    Above all, the individual embodiments shown in FIGS. 1, 2, 3, 4, 5, 6, 7, 8 can 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.
    For the sake of order, it should finally be pointed out that in order to better understand the construction of the production plant 1, these or their components have been shown partly unevenly and / or enlarged and / or reduced in size.
    LIST OF REFERENCES 1 production plant 31 bending edge 2 workpiece 32 parallel direction 3 bending press 33 length 4 bending tool 34 receiving groove 5 bending punch 35 receiving section 6 bending die 36 linear motor 7 machine frame 37 winding system 8 bottom plate 38 groove bottom 9 side wall 39 permanent magnet 10 side wall 40 front side 11 cross-section 41 entrainment device 12 front end surface 42 Winding system receptacle 13 first pressing bar 43 iron core 14 front end surface 44 sliding coating 15 linear guide 45 side surface receiving groove 16 second pressing beam 46 side surface receiving section 17 end surface section 18 end surface 47 center plane 19 first tool holder 48 transverse direction 20 second tool holder 49 sensor 21 drive assembly 50 shuttle 22 drive means 51 guide roller 23 power network 52 pin 24 control device 53 cleaning shuttle 25 input terminal 54 clamping device 26 spindle drive 55 clamping jaws 27 adjusting means 56 spring 28 recess 57 actuating system 29 recess 58 A Insert strip 30 insertion position
    权利要求:
    Claims (16)
    [1]
    claims
    1. bending press (3), in particular press brake, with a machine frame (7) and pressing beam (13, 16) and on the pressing beam (13, 16) arranged or trained tool holders (19, 20) and bending tools (4) in the form of a Bending punch (5) or a bending die (6), wherein a receiving portion (35) of the bending tools (4) in a receiving groove (34) of the tool holder (19, 20) are accommodated, characterized in that the tool holder (19, 20) and a driver device (41) associated with the bending tool (4) is designed as a linear motor (36), whereby the bending tool (4) can be positioned in a direction (32) parallel to a bending edge (31).
    [2]
    2. Bending press according to claim 1, characterized in that the tool holder (19, 20) is designed as a long stator.
    [3]
    3. bending press according to claim 1 or 2, characterized in that the entrainment device (41) as a shuttle (50) is formed, which in the tool holder (19, 20) is guided and with the receiving portion (35) of the bending tool (4) coupled is.
    [4]
    4. Bending press according to claim 3, characterized in that the shuttle (50) by means of retractable pins (52) with the receiving portion (35) of the bending tool (4) can be coupled.
    [5]
    5. Bending press according to claim 1 or 2, characterized in that the entrainment device (41) is formed integrally with the receiving portion (35) of the bending tool (4).
    [6]
    6. bending press according to one of the preceding claims, characterized in that in the tool holder (19, 20) a cleaning shuttle (53) is arranged, which for cleaning the receiving groove (34) of the tool holder (19, 20) is formed, wherein the cleaning shuttle (53) also acts as a linear motor (36) with the tool holder (19, 20).
    [7]
    7. Bending press according to one of the preceding claims, characterized in that in the driver device (41) permanent magnets (39) are arranged.
    [8]
    8. Bending press according to one of the preceding claims, characterized in that in the region of the receiving groove (34) of the tool holder (19, 20) a three-phase winding system (37) is arranged, wherein the winding system (37) by a control device (24) driven in such a way is that individual in the tool holder (19, 20) recorded bending tools (4) are independently displaced.
    [9]
    9. bending press according to claim 8, characterized in that the winding system (37) on a groove base (38) of the receiving groove (34) is arranged and that the permanent magnets (39) on an end face (40) of the receiving portion (35) of the bending tool ( 4) are arranged.
    [10]
    10. Bending press according to claim 8, characterized in that the winding system (37) on at least one side surface (45) of the receiving groove (34) is formed and that the permanent magnets (39) on at least one side surface (46) of the receiving portion (35) of Bending tool (4) are arranged.
    [11]
    11. Bending press according to claim 10, characterized in that the winding system (37) on both side surfaces (45) of the receiving groove (34) is formed and that the permanent magnets (39) on both side surfaces (46) of the receiving portion (35) of the bending tool ( 4) are arranged, wherein the two winding systems (37) are arranged symmetrically with respect to a center plane (47) of the tool holder (19, 20).
    [12]
    12. Bending press according to one of claims 8 to 11, characterized in that extending the winding system (37) over the entire length (33) of the tool holder (19, 20).
    [13]
    13. Bending press according to one of the preceding claims, characterized in that a sensor (49) is formed, which is provided for detecting the position of the bending tool (4).
    [14]
    14. Bending press according to claim 13, characterized in that the sensor (49) on the tool holder (19, 20) is arranged.
    [15]
    15. Bending press according to one of claims 7 to 14, characterized in that in the bending tool (4) a clamping device (54) is formed, which clamping device (54) by the magnetic field of the Wicklungssyste-mes (37) is releasable.
    [16]
    16. Bending press according to one of the preceding claims, characterized in that the tool holder (19, 20) has a top strip (58), which is arranged outside the receiving groove (34) and in which the winding system (37) is integrated.
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    同族专利:
    公开号 | 公开日
    EP3365123A1|2018-08-29|
    KR20180072728A|2018-06-29|
    WO2017067879A1|2017-04-27|
    JP6856637B2|2021-04-07|
    JP2018531155A|2018-10-25|
    US20180304331A1|2018-10-25|
    CN108136469A|2018-06-08|
    AT517706B1|2017-04-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50897/2015A|AT517706B1|2015-10-20|2015-10-20|bending machine|ATA50897/2015A| AT517706B1|2015-10-20|2015-10-20|bending machine|
    PCT/EP2016/074870| WO2017067879A1|2015-10-20|2016-10-17|Bending machine|
    US15/769,358| US20180304331A1|2015-10-20|2016-10-17|Bending machine|
    EP16788648.0A| EP3365123A1|2015-10-20|2016-10-17|Bending machine|
    JP2018520183A| JP6856637B2|2015-10-20|2016-10-17|Bending device|
    CN201680061435.4A| CN108136469A|2015-10-20|2016-10-17|Bending machine|
    KR1020187013634A| KR20180072728A|2015-10-20|2016-10-17|Bending machine|
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