EP3095534A1 - Bending machine - Google Patents
Bending machine Download PDFInfo
- Publication number
- EP3095534A1 EP3095534A1 EP16170125.5A EP16170125A EP3095534A1 EP 3095534 A1 EP3095534 A1 EP 3095534A1 EP 16170125 A EP16170125 A EP 16170125A EP 3095534 A1 EP3095534 A1 EP 3095534A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- linear guide
- bending machine
- receiving portion
- machine according
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- B21D5/0272—Deflection compensating means
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- 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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/041—Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/068—Drive connections, e.g. pivotal
Definitions
- the invention relates to a bending machine, in particular a press brake.
- the present invention has for its object to provide an improved bending machine.
- a bending machine in particular a bending press, is formed.
- the bending machine comprises a machine frame having a first and a second side part, a fixed pressing beam coupled to the machine frame, which extends in a Z-direction oriented in the press brake longitudinal direction between the first and second side part, a cross member which is coupled to the first and the second side part is and extends between them and is arranged at a distance above the fixed press beam, at least one actuator, which is coupled by means of an actuator suspension with the cross member and an adjustable pressing beam, which is coupled by means of the at least one actuator movable with the cross member and in one vertical Y-direction is adjustable relative to the fixed pressing beam.
- the actuator suspension comprises a first and a second linear guide, wherein the first linear guide for transmitting a force acting in the Y direction vertical force is formed and wherein the second linear guide is adapted to transmit a horizontal force, which in a normal to the Y direction and the Z- Direction standing X-direction acts, the actuator is displaceable by means of the actuator suspension in the Z direction.
- An advantage of the design according to the invention is that by the actuator suspension, which has a first and a second linear guide, the forces are transmitted well from the adjustable pressing beam on the cross member.
- the actuator is adjustable in the Z direction and thus the force applied to the adjustable pressing beam in the Z direction can be varied. As a result, for example, occurring during the bending process by the action of deformation of the adjustable press beam can be compensated.
- the first linear guide comprises an adjusting drive, whereby the at least one actuator is displaceable in the press brake longitudinal direction.
- the advantage here is that by means of the adjustment of the actuator can be moved in the Z direction. If the adjusting drive is arranged in the region of the first linear guide, this further has the advantage that the adjusting drive is arranged approximately centrally of the actuator, so that it comes through the adjustment of the adjustment or by the adjustment itself, if possible to no jamming of the actuator can.
- the first linear guide comprises a first connection component, which is designed in the form of a flat sheet, wherein the first connection component has a first receiving portion for connection to the actuator and a second receiving portion for connection to the cross member and wherein the first connection component between the first receiving portion and the second receiving portion has a taper, and thereby the first and the second receiving portion are relative to each other by elastic deformation in the region of the taper about a rotational axis aligned in the X direction relative to each other are relatively rotatable.
- the advantage here is that the connection component is so flexible or elastic equipped that a slight misalignment of the actuator can be compensated by the connection component.
- connection component can be given by the taper.
- the taper is formed by two lateral material cuts in the first connection component, which extend in the Z direction. It can thereby be achieved that the torsional stiffness of the connection component can be reduced or adjusted with respect to a rotational torque about the X-axis.
- the second linear guide comprises a second connection component, which is designed in the form of a flat sheet, wherein the sheet has a first receiving portion for connection to the actuator and a second receiving portion for connection to the transverse bar and wherein the first and the second receiving portion are relatively rotatable relative to each other about an axis of rotation aligned in the X direction.
- the advantage here is that the connection component is so flexible or elastic equipped that a slight misalignment of the actuator can be compensated by the connection component. As a result, internal stresses in the bending machine can be largely avoided, whereby the long-term stability and long-term strength of the individual components of the bending machine can be increased.
- the second attachment component has two cuts in the X direction.
- the advantage here is that a possibility for elastic deformation of the connection component can be given by the taper.
- first and / or the second connection component are formed symmetrically about the X direction.
- the advantage here is that an aligned in the Y direction force, which is introduced into the connection component, does not lead to unbalanced load on the connection components.
- the connection components are not deformed asymmetrically in a central and normally acting on this force.
- the adjustable pressing beam of the adjustable pressing beam comprises a third linear guide, in particular a ball linear guide, by means of which the adjustable pressing bar is connected to the actuator.
- a third linear guide in particular a ball linear guide, by means of which the adjustable pressing bar is connected to the actuator.
- the ball linear guide the actuator is easily adjustable relative to the adjustable pressing beam in the Z direction.
- the actuator has a stop surface, which is formed opposite a stop surface of the adjustable press beam, wherein the two stop surfaces are arranged at a distance from each other and that the ball linear guide has a clearance which is greater than the distance of two abutment surfaces to each other.
- FIG. 1 is a schematic front view of a manufacturing plant 1 for the free bending of sheet metal to be produced workpieces shown. Furthermore, in the FIGS. 1 to 5 Embodiment variants or execution details of the manufacturing plant 1 shown in a schematically simplified representation.
- the production plant 1 comprises a bending machine 2, in particular a press brake, for the production of the workpieces or workpieces.
- the bending machine 2 comprises a machine frame 3 also called a base frame.
- the machine frame 3 of the bending machine 2 may comprise, for example, a base plate 4, on the vertically upstanding, spaced from each other and aligned parallel to each other, a first 5 and a second side part 6 may be arranged. These side parts 5, 6 are preferably connected to each other by a solid, formed for example of a sheet metal part or a welded cross member 7 at their distance from the bottom plate 4 end portions.
- the side parts 5, 6 may be formed approximately C-shaped to form a free space for the forming of the workpiece.
- a fixed, in particular on the bottom plate 4 fitting, fixed pressing beam 8 may be attached.
- This fixed pressing beam 8 can also be referred to as a table bar.
- a press bar 10, in particular a pressure bar, which is relatively adjustable relative to the fixed pressing beam 8 can be guided guided in linear guides 9.
- the two pressing beams 8, 10 extend in the press brake longitudinal direction 11.
- the bending tools can in particular as Bending punch 16 and bending die 17 may be formed.
- the bending punch 16 can also be referred to as an upper tool and the bending die 17 as a lower tool.
- the bending machine 2 shown may have as drive arrangement 21 for the adjustable pressing beam 10, namely the pressure bar, at least one, in the illustrated embodiment, two actuators 19.
- the actuators 19 may be e.g. be fed with electrical energy from a power grid 20 and additionally be connected to a control device 21 line connected.
- the operation of the bending press 3 can be controlled via a line-connected input terminal 22 connected to the control device 21.
- the actuators 19 may be e.g. to act electromotive spindle drives, as they are well known.
- actuator or actuators 19 by hydraulically and / or pneumatically actuable actuating means. Cylinder piston arrangements can be used here. But it would also be other drive means, such as. Eccentric drives, toggle drives, rack drives, etc. conceivable.
- Fig. 2 is a further and possibly independent embodiment of the bending machine 2 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 be used. To unnecessary repetitions To avoid, the detailed description in the previous one Fig. 1 referred or referred.
- Fig. 2 shows a perspective view of the bending machine 2, which is shown partially cut.
- Fig. 2 the coordinate system used to describe the orientation of the machine.
- the Z-direction 23 is aligned parallel to the press brake longitudinal direction 11 and thus runs parallel to the longitudinal extent of the pressing bars 8, 10.
- the Z-direction is oriented horizontally.
- the Y-direction 24 is vertically aligned.
- the X-direction 25 is arranged at right angles to the Z-direction 23 and the Y-direction 24 and also extends in the horizontal direction.
- the actuator 19 is connected by means of an actuator suspension 26 with the cross member 7.
- the actuator suspension 26 comprises a first linear guide 27 and a second linear guide 28.
- the first linear guide 27 serves to receive a vertical force 29 acting in the Y direction.
- the second linear guide 28 serves to receive a horizontal force 30 acting in the X direction.
- the horizontal force 30 becomes initiated by the vertical force 29 acts on the bending edge 31 of the punch 16 and thus has a horizontal distance 32 relative to the first linear guide 27. This results in the first linear guide 27, a torque which can be intercepted by the second linear guide 28.
- the first linear guide 27 and the second linear guide 28 may be formed, for example in the form of a profile guide, such as a dovetail guide or other sliding guide.
- a profile guide such as a dovetail guide or other sliding guide.
- the linear guides 27, 28 are formed by a ball guide.
- the first linear guide 27 comprises an adjusting drive 33, by means of which the actuator 19 is displaceable in the press brake longitudinal direction 11.
- the adjusting drive 33 may for example be integrated directly into the first linear guide 27, be designed as a ball screw.
- the adjustment 33 is formed approximately by an adjacent hydraulic or pneumatic cylinder or by an adjoining adjusting spindle.
- a first connection member 34 is formed, which serves for power transmission between the actuator 19 and the first linear guide 27.
- the first connection component 34 is subsequently in Fig. 3 described in detail.
- a second connecting member 35 is formed, which serves for transmitting the horizontal force 30 from the actuator 19 to the second linear guide 28 and thus to the cross member 7.
- the second attachment component 35 is shown in a detail view in FIG Fig. 4 described or illustrated in detail.
- a third linear guide 36 is formed, through which the actuator 19 can be moved in AbkantpressenlFigsraum 11 relative to the adjustable pressing beam 10.
- Fig. 2 can be provided particularly well, that the first linear guide 27 is disposed on a bottom 37 of the cross member 7 and that the second linear guide 28 is disposed on a front side 38 of the cross member 7.
- Fig. 3 shows a perspective view from below of the actuator 19, the first linear guide 27 and the first attachment member 34th
- the first connection member 34 has a first receiving portion 39 for Audi to the actuator 19 and a second receiving portion 40 for connection to the cross member 7.
- the first receiving portion 39 may in particular have one or more receiving bores 44 for receiving the actuator 19.
- the actuator 19 is designed as a double actuator and thus has a first actuator rod 42 and a second actuator rod 43.
- the first receiving section 39 has two receiving bores 44.
- the first connection component 34 between the first receiving portion 39 and the second receiving portion 40 has a taper 45, whereby the two receiving portions 39, 40 are relative to each other by elastic deformation about an aligned in the X-direction 25 axis of rotation 41 relative navverwindbar.
- the axis of rotation 41 is, in particular, a virtual axis of rotation, the possible relative rotation between the first receiving section 39 and the second receiving section 40 being in a very small angular range.
- the taper 45 is formed by two lateral material cuts 46 which extend in the Z direction 23.
- the material incisions 46 may have a rounding 47 in their end region facing the rotation axis 41, by which rounding 47 the notch effect is reduced by the lateral material recess 46 and thus a sufficient component rigidity of the first attachment component 34 can be achieved.
- the first attachment component 34 has a width 48, a length 49 and a thickness 50.
- a residual length 51 results, in particular, from the length 49 minus the two lateral material incisions 46.
- the size of the residual length 51 or the thickness 50 of the first attachment component 34 have a significant influence on the torsional rigidity between the first receiving portion 39 and the second receiving portion 40.
- the first receiving section 39 can twist slightly relative to the second receiving section 40, a slight misalignment of the actuator 19 can be compensated.
- Fig. 4 shows a perspective view obliquely from above on the bending machine 2, wherein in this view, in particular the second connection member 35 and the actuator 19 are visible.
- the second connection component 35 has a first receiving portion 52 for connection to the actuator 19 and a second receiving portion 53 for connection to the cross member 7.
- the first receiving portion 52 is divided by the second receiving portion 53 by two cuts 54 which extend in the X direction 25.
- the two incisions 54 can be achieved that the first receiving portion 52 relative to the second receiving portion 53 can rotate about a rotation axis 55.
- the rotation can be the same here as in the first connection component 34 by elastic material deformation.
- the possibility of relative deformation of the first receiving portion 52 relative to the second receiving portion 53 may be increased by one or more additional cuts 56. Despite the cuts 54, 56 can be achieved that the second attachment member 35 in the X direction 25 has a sufficiently high rigidity in order to transfer the horizontal force 30 and is flexible only in the Y-direction 24.
- the second linear guide 28 is formed in the form of a flat contact surface 57. In such a trained linear guide 28 only a compressive force can be transmitted.
- Fig. 5 shows a detailed view of an embodiment of the connection of the actuator 19 to the adjustable pressing beam 10.
- the components are shown partially in section.
- the third linear guide 36 is formed in the form of a ball guide and that the actuator 19 has a stop surface 58, which is formed opposite a further stop surface 59 of the adjustable press beam 10.
- the two stop surfaces 58, 59 are arranged at a distance 60 to each other and that the third linear guide 36 has a clearance which is greater than the distance 60 of the two stop surfaces 58, 59 to each other.
- FIGS. 1 . 2 . 3 . 4 . 5 shown 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.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Die Erfindung betrifft eine Biegemaschine (2), umfassend ein Maschinengestell (3) einen mit dem Maschinengestell (3) gekoppelten feststehenden Pressbalken (8), einen Querträger (7), zumindest einen Aktor (19), welcher mittels einer Aktoraufhängung (26) mit dem Querträger (7) gekoppelt ist, einen verstellbaren Pressbalken (10), welcher mittels dem zumindest einen Aktor (19) beweglich mit dem Querträger (7) gekoppelt ist und in einer vertikalen Y-Richtung (24) relativ zum feststehenden Pressbalken (8) verstellbar ist. Die Aktoraufhängung (26) umfasst eine erste (27) und eine zweite Linearführung (28), wobei die erste Linearführung (27) zur Übertragung einer in Y-Richtung (24) wirkenden Vertikalkraft (29) ausgebildet ist und wobei die zweite Linearführung (28) zur Übertragung einer Horizontalkraft (30) ausgebildet ist, welche in einer normal auf die Y-Richtung (24) und die Z-Richtung (23) stehenden X-Richtung (25) wirkt, wobei der Aktor (19) mittels der Aktoraufhängung (26) in Z-Richtung (23) verschiebbar ist.The invention relates to a bending machine (2), comprising a machine frame (3) with a fixed press bar (8) coupled to the machine frame (3), a cross member (7), at least one actuator (19), which by means of an actuator suspension (26) is coupled to the cross member (7), an adjustable pressing beam (10) which is coupled by means of the at least one actuator (19) movable with the cross member (7) and in a vertical Y direction (24) relative to the fixed pressing beam (8). is adjustable. The actuator suspension (26) comprises a first (27) and a second linear guide (28), wherein the first linear guide (27) for transmitting a Y-direction (24) acting vertical force (29) is formed and wherein the second linear guide (28 ) is configured to transmit a horizontal force (30) which acts in an X-direction (25) normal to the Y-direction (24) and the Z-direction (23), the actuator (19) being actuated by means of the actuator suspension (30). 26) in the Z direction (23) is displaceable.
Description
Die Erfindung betrifft eine Biegemaschine, insbesondere eine Abkantpresse.The invention relates to a bending machine, in particular a press brake.
Aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine verbesserte Biegemaschine zu schaffen.The present invention has for its object to provide an improved bending machine.
Diese Aufgabe der Erfindung wird durch die Merkmale gemäß Anspruch 1 gelöst.This object of the invention is solved by the features according to
Erfindungsgemäß ist eine Biegemaschine, insbesondere Abkantpresse, ausgebildet. Die Biegemaschine umfasst ein Maschinengestell mit einem ersten und einem zweiten Seitenteil, einen mit dem Maschinengestell gekoppelten feststehenden Pressbalken, welcher sich in einer in Abkantpressenlängsrichtung ausgerichteten Z-Richtung zwischen ersten und zweiten Seitenteil erstreckt, einen Querträger, welcher mit dem ersten und dem zweiten Seitenteil gekoppelt ist und sich zwischen diesen erstreckt und in einem Abstand oberhalb des feststehenden Pressbalkens angeordnet ist, zumindest einen Aktor, welcher mittels einer Aktoraufhängung mit dem Querträger gekoppelt ist und einen verstellbaren Pressbalken, welcher mittels dem zumindest einen Aktor beweglich mit dem Querträger gekoppelt ist und in einer vertikalen Y-Richtung relativ zum feststehenden Pressbalken verstellbar ist. Die Aktoraufhängung umfasst eine erste und eine zweite Linearführung, wobei die erste Linearführung zur Übertragung einer in Y-Richtung wirkenden Vertikalkraft ausgebildet ist und wobei die zweite Linearführung zur Übertragung einer Horizontalkraft ausgebildet ist, welche in einer normal auf die Y-Richtung und die Z-Richtung stehenden X-Richtung wirkt, wobei der Aktor mittels der Aktoraufhängung in Z-Richtung verschiebbar ist.According to the invention, a bending machine, in particular a bending press, is formed. The bending machine comprises a machine frame having a first and a second side part, a fixed pressing beam coupled to the machine frame, which extends in a Z-direction oriented in the press brake longitudinal direction between the first and second side part, a cross member which is coupled to the first and the second side part is and extends between them and is arranged at a distance above the fixed press beam, at least one actuator, which is coupled by means of an actuator suspension with the cross member and an adjustable pressing beam, which is coupled by means of the at least one actuator movable with the cross member and in one vertical Y-direction is adjustable relative to the fixed pressing beam. The actuator suspension comprises a first and a second linear guide, wherein the first linear guide for transmitting a force acting in the Y direction vertical force is formed and wherein the second linear guide is adapted to transmit a horizontal force, which in a normal to the Y direction and the Z- Direction standing X-direction acts, the actuator is displaceable by means of the actuator suspension in the Z direction.
Von Vorteil an der erfindungsgemäßen Ausbildung ist, dass durch die Aktoraufhängung, welche eine erste und eine zweite Linearführung aufweist, die auftretenden Kräfte gut vom verstellbaren Pressbalken auf den Querträger übertragen werden. Insbesondere kann durch die erfindungsgemäße Ausbildung erreicht werden, dass der Aktor in Z-Richtung verstellbar ist und somit die Kraftbeaufschlagung am verstellbaren Pressbalken in Z-Richtung variiert werden kann. Dadurch kann beispielsweise eine während des Biegevorganges durch die Krafteinwirkung auftretende Verformung des verstellbaren Pressbalkens ausgeglichen werden.An advantage of the design according to the invention is that by the actuator suspension, which has a first and a second linear guide, the forces are transmitted well from the adjustable pressing beam on the cross member. In particular, by the inventive design can be achieved that the actuator is adjustable in the Z direction and thus the force applied to the adjustable pressing beam in the Z direction can be varied. As a result, for example, occurring during the bending process by the action of deformation of the adjustable press beam can be compensated.
Weiters kann es zweckmäßig sein, dass die erste Linearführung einen Verstellantrieb umfasst, wodurch der zumindest eine Aktor in Abkantpressenlängsrichtung verschiebbar ist. Von Vorteil ist hierbei, dass mittels dem Verstellantrieb der Aktor in Z-Richtung verschoben werden kann. Wenn der Verstellantrieb im Bereich der ersten Linearführung angeordnet ist, so hat dies weiters den Vorteil, dass der Verstellantrieb annähernd zentral des Aktors angeordnet ist, sodass es durch die Verstellkraft des Verstellantriebes bzw. durch den Verstellvorgang an sich, möglichst zu keiner Verklemmung des Aktors kommen kann.Furthermore, it may be expedient that the first linear guide comprises an adjusting drive, whereby the at least one actuator is displaceable in the press brake longitudinal direction. The advantage here is that by means of the adjustment of the actuator can be moved in the Z direction. If the adjusting drive is arranged in the region of the first linear guide, this further has the advantage that the adjusting drive is arranged approximately centrally of the actuator, so that it comes through the adjustment of the adjustment or by the adjustment itself, if possible to no jamming of the actuator can.
Darüber hinaus kann es zweckmäßig sein, dass sämtliche in der Biegemaschine verbauten Aktoren in Abkantpressenlängsrichtung verschiebbar sind. Von Vorteil ist hierbei, dass die Krafteinleitungspunkte durch die Aktoren im verschiebbaren Presssbalken frei variiert werden können.In addition, it may be appropriate that all installed in the bending machine actuators are displaced in Abkantpressenlängsrichtung. The advantage here is that the force application points can be varied freely by the actuators in the movable pressure bar.
Ferner kann vorgesehen sein, die erste Linearführung ein erstes Anbindungsbauteil umfasst, welches in Form eines ebenen Bleches ausgebildet ist, wobei das erste Anbindungsbauteil einen ersten Aufnahmeabschnitt zur Anbindung an den Aktor und einen zweiten Aufnahmeabschnitt zur Anbindung an den Querträger aufweist und wobei das erste Anbindungsbauteil zwischen dem ersten Aufnahmeabschnitt und dem zweiten Aufnahmeabschnitt eine Verjüngung aufweist und dadurch der erste und der zweite Aufnahmeabschnitt durch elastische Verformung im Bereich der Verjüngung um eine in X-Richtung ausgerichtete Drehachse zueinander relativverdrehbar sind. Von Vorteil ist hierbei, dass das Anbindungbauteil derart flexibel bzw. elastisch ausgestattet ist, dass eine geringe Schiefstellung des Aktors durch das Anbindungsbauteil ausgeglichen werden kann. Dadurch können innere Spannungen in der Biegemaschine weitestgehend vermieden werden, wodurch die Langzeitbeständigkeit bzw. Langzeitfestigkeit der einzelnen Bauteile der Biegemaschine erhöht werden kann. Außerdem kann durch die Verjüngung eine Möglichkeit zur elastischen Verformung des Anbindungsbauteils gegeben werden.Furthermore, it can be provided that the first linear guide comprises a first connection component, which is designed in the form of a flat sheet, wherein the first connection component has a first receiving portion for connection to the actuator and a second receiving portion for connection to the cross member and wherein the first connection component between the first receiving portion and the second receiving portion has a taper, and thereby the first and the second receiving portion are relative to each other by elastic deformation in the region of the taper about a rotational axis aligned in the X direction relative to each other are relatively rotatable. The advantage here is that the connection component is so flexible or elastic equipped that a slight misalignment of the actuator can be compensated by the connection component. As a result, internal stresses in the bending machine can be largely avoided, whereby the long-term stability and long-term strength of the individual components of the bending machine can be increased. In addition, a possibility for elastic deformation of the connection component can be given by the taper.
Vorteilhaft ist auch eine Ausprägung, gemäß welcher vorgesehen sein kann, dass die Verjüngung durch zwei seitliche Materialeinschnitte im ersten Anbindungsbauteil gebildet ist, welche sich in Z-Richtung erstrecken. Dadurch kann erreicht werden, dass die Verwindungssteifigkeit des Anbindungsbauteils bezüglich eines rotatorischen Drehmomentes um die X-Achse vermindert bzw. angepasst werden kann.Also advantageous is an embodiment according to which it can be provided that the taper is formed by two lateral material cuts in the first connection component, which extend in the Z direction. It can thereby be achieved that the torsional stiffness of the connection component can be reduced or adjusted with respect to a rotational torque about the X-axis.
Gemäß einer Weiterbildung ist es möglich, dass die zweite Linearführung ein zweites Anbindungsbauteil umfasst, welches in Form eines ebenen Bleches ausgebildet ist, wobei das Blech einen ersten Aufnahmeabschnitt zur Anbindung an den Aktor und einen zweiten Aufnahmeabschnitt zur Anbindung an den Querbalken aufweist und wobei der erste und der zweite Aufnahmeabschnitt um eine in X-Richtung ausgerichtete Drehachse zueinander relatiwerdrehbar sind. Von Vorteil ist hierbei, dass das Anbindungbauteil derart flexibel bzw. elastisch ausgestattet ist, dass eine geringe Schiefstellung des Aktors durch das Anbindungsbauteil ausgeglichen werden kann. Dadurch können innere Spannungen in der Biegemaschine weitestgehend vermieden werden, wodurch die Langzeitbeständigkeit bzw. Langzeitfestigkeit der einzelnen Bauteile der Biegemaschine erhöht werden kann.According to a development, it is possible that the second linear guide comprises a second connection component, which is designed in the form of a flat sheet, wherein the sheet has a first receiving portion for connection to the actuator and a second receiving portion for connection to the transverse bar and wherein the first and the second receiving portion are relatively rotatable relative to each other about an axis of rotation aligned in the X direction. The advantage here is that the connection component is so flexible or elastic equipped that a slight misalignment of the actuator can be compensated by the connection component. As a result, internal stresses in the bending machine can be largely avoided, whereby the long-term stability and long-term strength of the individual components of the bending machine can be increased.
Ferner kann es zweckmäßig sein, dass das zweite Anbindungsbauteil zwei Einschnitte in X-Richtung aufweist. Von Vorteil ist hierbei, dass durch die Verjüngung eine Möglichkeit zur elastischen Verformung des Anbindungsbauteils gegeben werden kann.Furthermore, it may be expedient that the second attachment component has two cuts in the X direction. The advantage here is that a possibility for elastic deformation of the connection component can be given by the taper.
Darüber hinaus kann vorgesehen sein, dass das erste und/oder das zweite Anbindungsbauteil symmetrisch um die X-Richtung ausgebildet sind. Von Vorteil ist hierbei, dass eine in Y-Richtung ausgerichtete Kraft, welche in das Anbindungsbauteil eingeleitet wird, zu keiner unsymmetrischen Belastung der Anbindungsbauteile führt. Somit werden die Anbindungsbauteile bei einer zentralen und normal auf diese wirkende Kraft nicht unsymmetrisch verformt.In addition, it can be provided that the first and / or the second connection component are formed symmetrically about the X direction. The advantage here is that an aligned in the Y direction force, which is introduced into the connection component, does not lead to unbalanced load on the connection components. Thus, the connection components are not deformed asymmetrically in a central and normally acting on this force.
Weiters kann vorgesehen sein, dass der verstellbare Pressbalken der verstellbare Pressbalken eine dritte Linearführung, insbesondere eine Kugellinearführung umfasst, mittels welcher der verstellbare Pressbalken am Aktor angebunden ist. Von Vorteil ist hierbei, dass durch die Kugellinearführung der Aktor leichtgängig gegenüber dem verstellbaren Pressbalken in Z-Richtung verstellbar ist.Furthermore, it can be provided that the adjustable pressing beam of the adjustable pressing beam comprises a third linear guide, in particular a ball linear guide, by means of which the adjustable pressing bar is connected to the actuator. The advantage here is that the ball linear guide the actuator is easily adjustable relative to the adjustable pressing beam in the Z direction.
Gemäß einer besonderen Ausprägung ist es möglich, dass der Aktor eine Anschlagfläche aufweist, welche gegenüberliegend einer Anschlagfläche des verstellbaren Pressbalkens ausgebildet ist, wobei die beiden Anschlagflächen in einem Abstand zueinander angeordnet sind und dass die Kugellinearführung ein Spiel aufweist, welches größer ist als der Abstand der beiden Anschlagflächen zueinander. Von Vorteil ist hierbei, dass dadurch bei einem Aufbringen der Druckkraft zwischen Aktor und verstellbaren Pressbalken die beiden Anschlagflächen auf Block aneinander anliegen. Somit wird die hohe Kraftbelastung, welche von den Aktoren ausgeübt wird, nicht über die Führungskugeln übertragen. Vielmehr wird die Kraftbelastung durch Aufliegen der beiden Anschlagflächen aneinander übertragen.According to a particular embodiment, it is possible that the actuator has a stop surface, which is formed opposite a stop surface of the adjustable press beam, wherein the two stop surfaces are arranged at a distance from each other and that the ball linear guide has a clearance which is greater than the distance of two abutment surfaces to each other. The advantage here is that thereby abut the two abutment surfaces on block with an application of the compressive force between the actuator and adjustable pressing beam to each other. Thus, the high force load, which is exerted by the actuators, not transmitted via the guide balls. Rather, the force load is transmitted by resting the two abutment surfaces together.
Zum besseren Verständnis der Erfindung wird diese anhand der nachfolgenden Figuren näher erläutert.For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
Es zeigen jeweils in stark vereinfachter, schematischer Darstellung:
- Fig. 1
- eine Vorderansicht einer Fertigungsanlage mit einer Biegepresse;
- Fig. 2
- eine perspektivische Ansicht der Biegepresse mit Schnitt durch den Querträger und den verstellbaren Pressbalken;
- Fig. 3
- eine perspektivische Ansicht des ersten Anbindungsbauteils;
- Fig. 4
- eine perspektivische Ansicht des zweiten Anbindungsbauteils;
- Fig. 5
- eine Schnittdarstellung der dritten Linearführung.
- Fig. 1
- a front view of a production line with a bending press;
- Fig. 2
- a perspective view of the bending press with section through the cross member and the adjustable pressing beam;
- Fig. 3
- a perspective view of the first connection component;
- Fig. 4
- a perspective view of the second connection component;
- Fig. 5
- a sectional view of the third linear guide.
Einführend sei festgehalten, dass in den unterschiedlich beschriebenen Ausführungsformen gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen versehen werden, wobei die in der gesamten Beschreibung enthaltenen Offenbarungen sinngemäß auf gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen übertragen werden können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich usw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind diese Lageangaben bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen.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, wherein the disclosures contained throughout the description are transmitted mutatis mutandis to the same parts with the same reference numerals or component names can. Also, the position information selected 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.
In der
Die Fertigungsanlage 1 umfasst eine Biegemaschine 2, insbesondere eine Abkantpresse, zur Herstellung der Werkstücke bzw. Werkteile. Die Biegemaschine 2 umfasst ein Maschinengestell 3 auch Grundgestell genannt.The
Das Maschinengestell 3 der Biegemaschine 2 kann beispielsweise eine Bodenplatte 4 umfassen, auf der vertikal aufragend, zueinander beabstandet und parallel zueinander ausgerichtet ein erstes 5 und ein zweites Seitenteil 6 angeordnet sein können. Diese Seitenteile 5, 6 sind bevorzugt durch einen massiven, beispielsweise aus einem Blechformteil oder einem Schweißverbund gebildeten Querträger 7 an ihren von der Bodenplatte 4 distanzierten Endbereichen miteinander verbunden.The
Die Seitenteile 5, 6 können zur Bildung eines Freiraumes für das Umformen des Werkstücks etwa C - förmig ausgebildet sein. An den Seitenteilen 5, 6 kann ein feststehender, insbesondere auf der Bodenplatte 4 anliegender, feststehender Pressbalken 8 befestigt sein. Dieser feststehende Pressbalken 8 kann auch als Tischbalken bezeichnet werden.The
Im von der Bodenplatte 8 entfernten Bereich der Seitenteile 5, 6 kann in Linearführungen 9 ein zum feststehenden Pressbalken 8 relativ verstellbarer Pressbalken 10, insbesondere ein Druckbalken, geführt gelagert sein. Die beiden Pressbalken 8, 10 erstrecken sich in Abkantpressenlängsrichtung 11.In the region of the
Auf einander gegenüberliegenden, parallel zueinander verlaufenden Aufnahmeflächen 12, 13 der beiden Pressbalken 8, 10 können Werkzeugaufnahmen 14, 15 zur Bestückung mit Biegewerkzeugen angeordnet bzw. ausgebildet sein. Die Biegewerkzeuge können insbesondere als Biegestempel 16 und Biegegesenk 17 ausgebildet sein. Der Biegestempel 16 kann dabei auch als Oberwerkzeug und das Biegegesenk 17 auch als Unterwerkzeug bezeichnet werden.On opposite, parallel to each other receiving
Die gezeigte Biegemaschine 2 kann als Antriebsanordnung 21 für den verstellbaren Pressbalken 10, nämlich den Druckbalken, zumindest einen, im gezeigten Ausführungsbeispiel zwei Aktoren 19 aufweisen. Die Aktoren 19 können z.B. mit elektrischer Energie aus einem Energienetz 20 angespeist sein und zusätzlich noch mit einer Steuervorrichtung 21 leitungsverbunden sein. Über ein mit der Steuervorrichtung 21 leitungsverbundenes Eingabeterminal 22 kann beispielsweise der Betrieb der Biegepresse 3 gesteuert werden.The bending
Bei den Aktoren 19 kann es sich z.B. um elektromotorische Spindeltriebe handeln, wie sie allgemein bekannt sind.The
Unabhängig davon wäre es aber auch noch möglich, den oder die Aktoren 19 durch hydraulisch und/oder pneumatisch betätigbare Stellmittel zu bilden. Dabei können ZylinderKolbenanordnungen Anwendung finden. Es wären aber auch andere Antriebsmittel, wie z.B. Exzenterantriebe, Kniehebelantriebe, Zahnstangenantriebe usw. denkbar.Regardless, it would also be possible to form the actuator or
Sämtliche obig genannten Ausführungsmerkmale bzw. Einzelmerkmale der Figurenbeschreibung sind genannt, um eine Exemplarische Fertigungsanlage 1 bzw. Biegemaschine 2 zu beschreiben. Dadurch kann im erfindungswesentlichen, folgenden Teil der Figurenbeschreibung Bezug auf diese Beschreibung genommen werden. Sämtliche beschriebenen Einzelmerkmale sind daher für die erfindungsgemäße Ausbildung nicht zwingend erforderlich und können weggelassen, oder durch andere Merkmale ersetzt werden.All of the above-mentioned execution features or individual features of the description of the figures are mentioned in order to describe an
Auf weitere für den Betrieb einer derartigen Biegemaschine 2 erforderliche Details, wie beispielsweise Sicherheitseinrichtungen, Anschlagsanordnungen, Kontroll- und Messeinrichtungen wird in der gegenständlichen Beschreibung zur Vermeidung einer unnötigen Länge der Beschreibung verzichtet.Further details required for the operation of such a
In der
Ebenfalls ersichtlich ist in
Wie aus
Die erste Linearführung 27 bzw. die zweite Linearführung 28 können beispielsweise in Form einer Profilführung, wie etwa einer Schwalbenschwanzführung oder einer sonstigen Gleitführung ausgebildet sein. Alternativ dazu ist es auch möglich, dass die Linearführungen 27, 28 durch eine Kugelführung gebildet sind.The first
Wie aus
Wie weiters aus
Weiters kann vorgesehen sein, dass im Bereich der zweiten Linearführung 28 ein zweites Anbindungsbauteil 35 ausgebildet ist, welches zur Übertragung der Horizontalkraft 30 vom Aktor 19 auf die zweite Linearführung 28 und somit auf den Querträger 7 dient. Das zweite Anbindungsbauteil 35 ist in einer Detailansicht in
Weiters kann vorgesehen sein, dass zwischen verstellbaren Pressbalken 10 und dem Aktor 19 eine dritte Linearführung 36 ausgebildet ist, durch welche der Aktor 19 in Abkantpressenlängsrichtung 11 relativ zum verstellbaren Pressbalken 10 verschoben werden kann.Furthermore, it can be provided that between the adjustable
Wie aus
Wie aus
Insbesondere kann vorgesehen sein, dass die Verjüngung 45 durch zwei seitliche Materialeinschnitte 46, welche sich in Z-Richtung 23 erstrecken, gebildet ist. Die Materialeinschnitte 46 können in ihrem der Drehachse 41 zugewandten Endbereich eine Rundung 47 aufweisen, durch welche Rundung 47 die Kerbwirkung durch den seitlichen Materialeinschnitt 46 vermindert wird und somit eine ausreichende Bauteilsteifigkeit des ersten Anbindungsbauteils 34 erreicht werden kann.In particular, it can be provided that the
Wie aus
Dadurch dass sich im Bereich der Verjüngung 45 der erste Aufnahmeabschnitt 39 relativ zum zweiten Aufnahmeabschnitt 40 geringfügig verwinden kann, kann eine geringfügige Schiefstellung des Aktors 19 ausgeglichen werden.Due to the fact that in the region of the
Der erste Aufnahmeabschnitt 52 ist zum zweiten Aufnahmeabschnitt 53 durch zwei Einschnitte 54 geteilt, welche sich in X-Richtung 25 erstrecken. Durch die beiden Einschnitte 54 kann erreicht werden, dass sich der erste Aufnahmeabschnitt 52 relativ zum zweiten Aufnahmeabschnitt 53 um eine Drehachse 55 verdrehen kann. Die Verdrehung kann hierbei gleich, wie beim ersten Anbindungsbauteil 34 durch elastische Materialverformung erfolgen. Durch die Ausbildung der Einschnitte 54 kann neben einer Relativverdrehung auch erreicht werden, dass sich der erste Aufnahmeabschnitt 52 relativ zum zweiten Aufnahmeabschnitt 53 geringfügig in Y-Richtung 24 verschieben kann.The first receiving
Die Möglichkeit zur Relativverformung des ersten Aufnahmeabschnittes 52 relativ zum zweiten Aufnahmeabschnitt 53 kann durch einen oder mehrere zusätzliche Einschnitte 56 gesteigert werden. Trotz der Einschnitte 54, 56 kann erreicht werden, dass das zweite Anbindungsbauteil 35 in X-Richtung 25 eine ausreichend hohe Steifigkeit aufweist um die Horizontalkraft 30 übertragen zu können und nur in Y-Richtung 24 flexibel ist.The possibility of relative deformation of the first receiving
Wie in
Die Ausführungsbeispiele zeigen mögliche Ausführungsvarianten der Biegemaschine 2, wobei an dieser Stelle bemerkt sei, dass die Erfindung nicht auf die speziell dargestellten Ausführungsvarianten derselben eingeschränkt ist, sondern vielmehr auch diverse Kombinationen der einzelnen Ausführungsvarianten untereinander möglich sind und diese Variationsmöglichkeit aufgrund der Lehre zum technischen Handeln durch gegenständliche Erfindung im Können des auf diesem technischen Gebiet tätigen Fachmannes liegt.The embodiments show possible embodiments of the bending
Weiters können auch Einzelmerkmale oder Merkmalskombinationen aus den gezeigten und beschriebenen unterschiedlichen Ausführungsbeispielen für sich eigenständige, erfinderische oder erfindungsgemäße Lösungen darstellen.Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions.
Die den eigenständigen erfinderischen Lösungen zugrundeliegende Aufgabe kann der Beschreibung entnommen werden.The task underlying the independent inventive solutions can be taken from the description.
Sämtliche Angaben zu Wertebereichen in gegenständlicher Beschreibung sind so zu verstehen, dass diese beliebige und alle Teilbereiche daraus mitumfassen, z.B. ist die Angabe 1 bis 10 so zu verstehen, dass sämtliche Teilbereiche, ausgehend von der unteren Grenze 1 und der oberen Grenze 10 mit umfasst sind, d.h. sämtliche Teilbereiche beginnen mit einer unteren Grenze von 1 oder größer und enden bei einer oberen Grenze von 10 oder weniger, z.B. 1 bis 1,7, oder 3,2 bis 8,1, oder 5,5 bis 10.All statements of value ranges in the present description should be understood to include any and all sub-ranges thereof, e.g. is the
Vor allem können die einzelnen in den
Der Ordnung halber sei abschließend darauf hingewiesen, dass zum besseren Verständnis des Aufbaus der Biegemaschine 2 diese bzw. deren Bestandteile teilweise unmaßstäblich und/oder vergrößert und/oder verkleinert dargestellt wurden.
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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ATA50406/2015A AT516718B1 (en) | 2015-05-18 | 2015-05-18 | bending machine |
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EP3095534A1 true EP3095534A1 (en) | 2016-11-23 |
EP3095534B1 EP3095534B1 (en) | 2017-11-29 |
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EP16170125.5A Not-in-force EP3095534B1 (en) | 2015-05-18 | 2016-05-18 | Bending machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111014761A (en) * | 2019-12-13 | 2020-04-17 | 西安飞机工业(集团)有限责任公司 | Large-span weak-rigidity gantry flexible hole making device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005230898A (en) * | 2004-02-23 | 2005-09-02 | Amada Co Ltd | Sheet metal working device, and folding method using the same |
JP2005230881A (en) | 2004-02-20 | 2005-09-02 | Amada Co Ltd | Sheet metal working apparatus, and bending method using the apparatus |
EP2006079A1 (en) * | 2007-06-20 | 2008-12-24 | Trumpf Maschinen Austria GmbH & CO. KG. | Bending machine |
WO2014085840A1 (en) * | 2012-12-06 | 2014-06-12 | Trumpf Maschinen Austria Gmbh & Co. Kg | Press brake |
-
2015
- 2015-05-18 AT ATA50406/2015A patent/AT516718B1/en not_active IP Right Cessation
-
2016
- 2016-05-18 EP EP16170125.5A patent/EP3095534B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005230881A (en) | 2004-02-20 | 2005-09-02 | Amada Co Ltd | Sheet metal working apparatus, and bending method using the apparatus |
JP2005230898A (en) * | 2004-02-23 | 2005-09-02 | Amada Co Ltd | Sheet metal working device, and folding method using the same |
EP2006079A1 (en) * | 2007-06-20 | 2008-12-24 | Trumpf Maschinen Austria GmbH & CO. KG. | Bending machine |
WO2014085840A1 (en) * | 2012-12-06 | 2014-06-12 | Trumpf Maschinen Austria Gmbh & Co. Kg | Press brake |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111014761A (en) * | 2019-12-13 | 2020-04-17 | 西安飞机工业(集团)有限责任公司 | Large-span weak-rigidity gantry flexible hole making device |
CN111014761B (en) * | 2019-12-13 | 2021-02-09 | 西安飞机工业(集团)有限责任公司 | Large-span weak-rigidity gantry flexible hole making device |
Also Published As
Publication number | Publication date |
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EP3095534B1 (en) | 2017-11-29 |
AT516718B1 (en) | 2016-08-15 |
AT516718A1 (en) | 2016-08-15 |
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