EP2756893B1 - Apparatus for processing a material, in particular a shaping machine - Google Patents
Apparatus for processing a material, in particular a shaping machine Download PDFInfo
- Publication number
- EP2756893B1 EP2756893B1 EP14151946.2A EP14151946A EP2756893B1 EP 2756893 B1 EP2756893 B1 EP 2756893B1 EP 14151946 A EP14151946 A EP 14151946A EP 2756893 B1 EP2756893 B1 EP 2756893B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- assembly
- threaded spindle
- material processing
- bending
- operating state
- 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.)
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- 239000000463 material Substances 0.000 title claims description 97
- 238000012545 processing Methods 0.000 title claims description 72
- 238000007493 shaping process Methods 0.000 title 1
- 230000008878 coupling Effects 0.000 claims description 59
- 238000010168 coupling process Methods 0.000 claims description 59
- 238000005859 coupling reaction Methods 0.000 claims description 59
- 238000005452 bending Methods 0.000 claims description 47
- 238000005520 cutting process Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000004080 punching Methods 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
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- 230000000903 blocking effect Effects 0.000 description 11
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- 230000000295 complement effect Effects 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009420 retrofitting Methods 0.000 description 3
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/028—Tools travelling with material, e.g. flying punching machines
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/006—Bending wire other than coiling; Straightening wire in 3D with means to rotate the tools about the wire axis
Definitions
- the present invention relates to a material processing device, in particular as a component of a forming machine, with at least one material processing unit, which is arranged linearly displaceable along a linear guide and is displaceable by means of a spindle drive in order to bring it into a desired desired working position.
- Such material processing devices may include material processing units, such as stamping presses, material feeds, or the like.
- material processing units such as stamping presses, material feeds, or the like.
- a forming machine which are upstream of one or more forming units of the forming machine and arranged linearly one behind the other.
- Forming machines of the type considered here have at least one forming unit, but preferably a plurality of Umformaggregate, z. B. are mounted on the outside of an outer wall of a mounting frame in their respective desired working position and have the drivable for performing forming movements forming tools. These act on a usually strip-shaped or wire-shaped and on a mandrel, die or the like. Supported semi-finished metal from a metal forming to produce a workpiece of the desired shape.
- the term forming tool can in the context of the present invention, machining tools such. B. drilling units, thread cutting units, material application units u. Like. Include.
- bending machines for the mass production of bent parts, known in various embodiments.
- the bending units are bolted to the outer wall of the mounting frame, with a hole pattern in the outer wall of the mounting frame is provided in order to determine the bending units in appropriate working positions can.
- the forming movements of the bending tool are derived in the conventional bending machines from a central large gear, which is rotatably mounted on the inside of the outer wall of the mounting frame and driven for rotation. Through openings are distributed in the outer wall of the mounting frame on the projection of the outer periphery of the central large gear. Through this through-insertion drive shafts of the bending units are pushed through, so that provided on these drive shafts pinion mesh with the teeth of the central large gear to receive torque from the central large gear.
- the drive shafts of the bending units drive cam disks, which in turn act on the bending dies and thus control predetermined movement sequences of the bending tools.
- the bending point of the bending units defined by a bending mandrel arrangement, die arrangement or the like are fed by a material feeder to the semi-finished products to be bent.
- the material feeder promotes flat strip material or wire material as a semi-finished product to the bending point, wherein the flat strip material or wire material is unwound from a Vorratscoil.
- the bending point of the bending units is also preceded by a punch press or other cutting device for certain processing of the semifinished product, such a cutting or punching device are usually arranged linearly in series with a material suit.
- the present invention is primarily concerned with material handling apparatus comprising such linearly sequentially arranged series-processing equipment.
- the incorporation and retrofitting of the above-mentioned conventional bending machines to produce a desired bending part in mass production is a very complex process, which includes the exact positioning of the bending units in each predetermined target working positions, the drive concept of torque picking from a central large gear in this regard Constraints on the degrees of freedom in the positioning of the bending units.
- the installation and, if necessary, retrofitting processes also include the provision of the relevant cams for the bending carriages.
- the Einrüst- or Umrüstvorgang also requires an accurate positioning of the bending units upstream, linearly arranged one behind the other components, such as material intake and / or punching press.
- a pressing device in which a material processing unit has a threaded spindle penetrated by a spindle nut for linear movement of the material processing unit, wherein the threaded spindle is coupled on both sides via couplings to a respective motor to reduce by a more uniform drive, the rotational forces on the threaded spindle.
- Object of the present invention is a material processing apparatus of the type mentioned, in particular as part of a forming machine to provide, wherein the material processing device allows a substantial simplification of their equipment or conversion, ie the positioning of the material processing units in their desired working positions with respect to a specific material processing task.
- a material processing apparatus which has at least one material processing unit, which is arranged linearly displaceable along a linear guide, wherein the material processing unit is automatically linearly displaceable by means of a controllable drive mechanism to position it in a respective desired working position wherein the drive mechanism comprises a threaded spindle for displacing the material processing unit, and wherein the linearly displaceable material processing unit is associated with a spindle nut threaded by the threaded spindle, which is mutually displaceable by means of a coupling device in an idle operating state and in a coupling operating state, in the idle operating state with the threaded spindle is rotatable so that it performs no linear movement along the threaded spindle, whereas in the coupling operating state is rotationally coupled to the material processing unit, so that they can perform a linear movement along the threaded spindle with entrainment of the material processing unit along the linear guide upon rotation of the threade
- the thus configured material processing device allows a computer-controlled and thus automatic positioning of the material processing unit in its desired working position, which allows a rapid and precise retooling of the material processing unit.
- Special advantages result from this for a conversion process of an entire forming machine, when the material processing device according to the invention is part of the forming machine and the latter also has controlled automatically adjustable in respective nominal working positions Umformaggregate.
- Forming machines with controlled automatically adjustable in respective nominal working positions Umformaggregaten are z. B. from the EP 2 641 669 A1 or the DE 10 2012 204 740 A1 known.
- the EP 2 641 669 A1 and the DE 10 2012 204 740 A1 shall be incorporated by reference herein as the disclosure of such machines in the present application.
- the material processing device according to the invention is particularly advantageous to be used in such forming machines and there provide a preferably NC-controlled material intake device and / or a preferably NC-controlled punching / cutting press as upstream material processing unit (s) and possibly other material processing units.
- the invention thus also the combination of a material processing apparatus according to one of the claims 1-4 of the present application with a forming machine, in particular of the type according to EP 2 641 669 A1 or DE 10 2012 204 740 A1 , be.
- a particular advantage of the invention comes into play when the material processing device comprises at least two material processing units, which are arranged linearly displaceable along the linear guide to position them in a respective desired working position, each of the two material processing units a respective own threaded through the threaded spindle nut and each of the spindle nuts is mutually displaceable by means of a respective coupling device in an idle operating state and in a coupling operating state, wherein it is rotatable in the idle operating state with the threaded spindle so that it does not perform linear movement along the threaded spindle, whereas in the coupling operating state rotationally with the their associated material processing unit is coupled, so that upon rotation of the threaded spindle, a linear movement along the threaded spindle with entrainment of its associated M Aterialbearbeitungsaggregates can perform along the linear guide.
- This embodiment of the invention makes it possible to automatically move and position several linearly movably guided material processing units simultaneously relative to one another and / or relative to an upstream or downstream material processing device in a computer-controlled manner and this by means of a single common drive spindle. It can thus be used a fairly simple drive mechanism to position the plurality of material processing units substantially independently in desired working position. Conversion operations can be carried out in this way quickly and accurately.
- the control of the drive mechanism and especially the coupling devices by means of a machine control, which in the case of integration of the material processing device in a forming machine, as z.
- EP 2 641 669 A1 is described, preferably also used for positioning of the forming units.
- the forming machine including the material processing apparatus can be extensively retrofitted in a simple and quick manner to meet a new production situation.
- the aspect of automated linear displacement and positioning of material processing units generally offers a simple way and with relatively inexpensive and space-saving means a quick conversion of forming machines with material processing units arranged in series, including any forming units.
- the threaded spindle of the material processing device may have any suitable thread.
- a threaded spindle is used with a trapezoidal thread.
- Forming machine shown is a stamping and bending machine 1, which has a machine frame 3 with a mounting frame 5 and mounted on the mounting frame 5 Umformaggregate 7a - 7e, which are mounted on the mounting frame 5 in an array on a circle.
- the forming units 7a-7e are bending units, each of which has its own numerically controlled electric motor (NC electric motor) with a spindle drive or the like and a tool carriage drivable for forming movements with a tool 9a-9e fastened thereto.
- NC electric motor numerically controlled electric motor
- the NC forming units 7a-7e which are known per se from the state of the art, are aligned with their tool carriages and the tools 9a-9e attached thereto to a central forming point 11 at which a so-called center punch is positioned in the form of a bending mandrel or die element, on which the semi-finished product to be formed is brought into the desired shape by means of the forming units 7a-7e.
- the semi-finished product is first fed as a strip material, the z. B. is handled by a coil.
- the forming machine 1 has an NC-controlled material feed 13 for the material supply, which is preceded by a press 15, for example, for punching, bending and / or cutting in the material flow direction.
- the material feeder 13 and the press 15 are components of the embodiment of a material processing device 14 according to the invention explained here.
- the press 15 can punch holes, recesses and contours in the supplied strip material or possibly separate sections of a respective strip material.
- the thus prepared strip material then passes as a semi-finished product to the deformation point 11, in which it is formed in successive sections, so that workpieces are produced with the desired shape.
- the works in the Fig. 1 and 2 Punching and bending machine 1 shown similar to the known from the prior art BIMERIC system of Otto Bihler Maschinenfabrik GmbH & Co. KG, D-87642 Halblech.
- a special feature of the forming machine is the possibility of facilitated (semi) automatic installation and conversion with forming units 7 and material processing units 13, 15 in order to produce a specific workpiece can. Explanations will follow below with reference to the other figures.
- Fig. 3 shows in isolated view a mounting frame member 17 of the punching and bending machines Fig. 1 and Fig. 2 in perspective view with forming units 7f - 7j provided thereon (it could also be the forming units 7a - 7e from Fig. 1 and Fig. 2 in its arrangement on a circle defined by an annular through hole 19 in the outer wall 21 of the central mounting frame member 17.
- the forming units 7 a - 7 j are preferably by means of support means 23 of the same type fixed to the central mounting frame member 17.
- clamping elements 25 are provided which engage with sliding blocks 27 in concentric with the annular through hole 19 radially on either side thereof provided in the outer wall 21, undercut Kreisringnuten 29, 31.
- the clamping elements 25 have a helical gear, which allows tightening of the sliding blocks against the undercuts of the receiving them Kreisringnuten 29, 31, so that the relevant support means 23 can be securely fixed to the outer wall 21 of the central mounting frame member 17 by clamping.
- the clamping elements 25 engage with a respective stop step 33 to a complementary flange 35 of the mounting device 23 at the front to the mounting device 23 to be able to fix the outer wall 21 by clamping (see. FIGS. 7, 8, 11 u. 12).
- each support means 23 four clamping elements 25 are assigned, of which two are received in a respective annular groove 29 and 31 with their groove stones.
- the mounting device 23 comprises two basic components, namely a circular base part 37 in the example and a rotary mounting part 39 rotatably mounted thereon, to which the actual forming unit is to be fastened.
- Such a construction of the mounting device 23 enables a precise angular adjustment of the forming unit 7 fixed thereto relative to the deformation point 11 (cf. Fig. 1 u. Fig. 2 ).
- This possibility of adjusting the angle is indicated by the example of the forming units 7c and 7e by a dot-dashed and angularly slightly offset image of the respective forming unit.
- the support means 23 each have on the outer wall 21 of the mounting frame member 17 facing the back of the base member 37 on a circular projection 41 which is interrupted centrally and carries at its outer ends in each case a counter-holding element in the form of a sliding element, wherein the circular arc-shaped projection 41st has the curvature of the annular through hole 19 and is accommodated therein, so that the sliding elements 43 lie on the inner side 22 of the outer wall 21 of the mounting frame member 17 and the outer wall 21 engage behind on the inner side 22.
- the longitudinally shaped sliding elements 43 can be rotated to attach the mounting device 23 to the outer wall 21 of the mounting frame member 17 so that they are aligned longitudinally with the circular arc-shaped projection 41 and thus can be performed from the outside through the annular through hole 19. Thereafter, they can be transposed by turning by means of a screwing tool or the like., So that they in the FIGS. 8 and 11 take recognizable position in which they no longer fit through the through hole 19. This is a stable stop position.
- the base part 37 of the mounting device 23 Centered in the area of the interruption of the annular projection 41, the base part 37 of the mounting device 23 has a bore 45 and a coupling mechanism 47 received therein for a positioning device 49 to be described later for positioning forming units 7 in a respective desired working position on the outer wall 21 of the mounting frame element 17 on.
- positioning means 49 comprises a on the inside 22 of the outer wall 21 of the mounting frame member 17 rotatably mounted, central large gear 51 (adjusting), which in Fig. 4 is shown without details of the peripheral teeth.
- the gear 51 is aligned with its axis of rotation coaxially with the circle center axis 53 of the annular through hole 19.
- An NC drive unit 55 is fixed to the inner side 22 of the outer wall 21 so that it can turn the large gear 51 meshing therewith with an associated drive pinion (at 57).
- the coupling unit 59 On the outer wall 21 facing away from the end face of the large gear 51, a coupling unit 59 is mounted, which upon rotation of the large gear 51st is carried by this.
- the coupling unit 59 comprises a coupling drive 61 with an NC electric motor 62 and an elongate coupling element 63 oriented with its longitudinal axis parallel to the circular center axis 53 and in alignment with the annular through-hole 19, which passes through a hole at 64 in the large gear 51 and from the coupling drive 61 is axially movable between a passive position and a coupling position.
- the coupling element 63 is an elongated sleeve with an in Fig.
- the coupling drive 61 is part of a combined drive assembly 67, which further comprises a controllable rotary support drive 69 for the rotation support part 39 of the support means 23.
- the rotary support drive 69 can be used to align the feed angle of an aggregate 7 relative to the working direction of a respective tool.
- the rotary support actuator 69 has an NC electric motor 71, which via an angular gear, z. B. bevel gear, a in Fig. 5 discernible hollow shaft 73 for rotation drives, in which a rotary actuating shaft 75 is rotatably received for positive rotation, but axially displaceable.
- This rotary operation shaft 75 is passed through the sleeve-shaped coupling member 63 so that it is also aligned parallel to the circular center axis 53 and in alignment with the annular through hole 19.
- the rotary actuating shaft 75 is coupled for common axial displacement, but it is rotatable relative to the non-rotatable coupling element 63.
- the coupling element 63 is dimensioned so that it can penetrate from the inside 22 of the outer wall 21 of the mounting frame member 17 ago the annular through hole 19, to be arranged at a corresponding positioning relative to an outside of this outer wall 21
- Mounting device 23 of a forming unit 7 coupled with the coupling mechanism 47 of the support device 23 can engage, as shown in the 10 and 11 is indicated.
- the coupling element 63 comes in the interruption of the annular projection 41 and meets a detent element 77 of the coupling mechanism 47 of the support means 23.
- This detent element 77 is first by means of the compression spring 79 in the in Fig. 9 shown biased locking projection position in which it protrudes on the base part 37 of the support means 23 to the outside.
- the coupling element 63 Upon further axial displacement of the sleeve-shaped coupling element 63 in its coupling position, the coupling element 63 displaces the locking element 77 out of the latching projection position inwards into the mounting device, as shown in FIG Fig. 10 is recognizable.
- the coupling unit 59 of the positioning device 49 is coupled to the respective mounting device 23 so that the large gear 51 can take along the coupled mounting device 23 along the annular through hole 19 during its rotation.
- the prerequisite is that previously the clamping elements 25 are released so that the support means 23 is released for such movement.
- the axial pressure exerted by the sleeve-shaped coupling element 63 on the latching element 77 and the spring 79 on the mounting device 23 is absorbed by the sliding elements 43, which are supported on the inside of the outer wall 21, so that the support device 23 during its entrainment along the annular Through hole 19 guided on the outer wall 21 and on the coupling element 63 remains.
- FIGS. 7 and 9 show two guided in arcuate slots 85 fasteners 87 in the form of flange sleeves 87 which are penetrated by screws 89 and are taken out with their widened flange 91 in widened recesses along the slots 85.
- the screws 89 connect, by means of the flange sleeves 87, the rotary support part 39 to the base part 37 of the mounting device 23, so that a rotation of the rotary support part 39 relative to the base part 37 is possible by a rotation angle bounded by the arcuate slots 85.
- the screwing of the parts 37, 39 by means of the screws 89 and the flange sleeves 87 leaves a game between the parts 37, 39 of the support means 23, so that the relative rotation between these two parts 37, 39 without excessive force is possible.
- the support members 37, 39 may be acted upon by exciting means 92, for example.
- the mounting device 23 of this forming unit is first, for example, grown at the lowest point of the annular through hole 19, so that the sliding elements 43 passed through the through hole 19 and then into the in Fig. 8 and Fig. 11 recognizable locking position can be rotated so that they engage behind the outer wall 21 of the mounting frame member 17 inside. Further, the support means is provisionally fixed at least with a clamping element 25 in this lower position on the mounting frame, so that it has with its tapered end 93 upwards. These cultivation steps are carried out by the fitter. Then, a routine of the positioning program of a control unit controlling the NC drive unit 55 of the gear 51 and also the coupling drive 61 and the rotation support drive 69 is started.
- the programmed control device now controls the NC drive unit 55 in such a way that the large gear wheel 51 (adjusting element) is rotated so far that the coupling unit 59 comes with its sleeve-shaped coupling element 63 axially in alignment with the bore 45 in the base part 37 of the mounting device 23.
- the coupling drive 61 is activated to axially advance the coupling member 63 from its retracted passive position to the coupling position, penetrating the annular through hole 19 in the outer wall 21 of the mounting frame member 17 and displacing the locking projection 77 into the support means 23 to come into coupling engagement with the base part 37 of the mounting device 23.
- the rotary actuation shaft 75 comes into rotary engagement with the complementary insertion opening 83 of the rotary support part 39 of the mounting device 23.
- the fitter can now release the clamping members 25 to release the automatic positioning support means 23 to its desired set working position.
- the control device controls the NC drive unit 55 again in order to turn the large gear 51 into a position in which the coupled mounting device 23 is set down on the annular through hole 19 and is intended to remain.
- the rotation support drive 69 can be activated to set the rotation support part 39 of the support means in a target angular position relative to the base part 37. Once this has been done, the fitter can now fix the mounting device 23 by means of the clamping elements 25 on the outer wall 21 of the mounting frame element 17.
- the outer wall 21 of the mounting frame member 17 has recesses 93 on its outer side, which are distributed along the annular through hole 19, these locking recesses are complementary to the locking elements 77 of the support means 23, so that a relevant Detent recess 93 can receive a biased in its locking projection position locking element 77.
- defined receiving points for the support means 23 are provided, which facilitates the control operation in coupling the coupling device and the rotary actuating means.
- at least some of the recesses 93 are located at locations along the annular through-hole 19 that correspond to attachment points of any conventional predecessor machines. This makes it easier for the user to switch from a conventional predecessor machine to the forming machine according to the invention, if he thus mass production of a particular Workpiece, which he already produced on the predecessor machine.
- an opening 94 In the center of the outer wall 21 of the mounting frame member 17 is an opening 94, through which a center punch, so as a bending mandrel, a die or the like. From the inside to the outside of the outer wall 21 is movable to in the desired position at the respective Umformstelle 11 reach.
- This center punch transport is preferably carried out with an NC drive unit under control of the control device.
- the support members 23 provides that the Drehhalterungsteil 39 of the support means 23 has an integrated reduction gear, preferably cycloidal or Gleitkeilgetriebe, which can receive the rotary actuator shaft 75 in its rotational engagement position on the input side for receiving torque.
- a reduction gear allows a particularly finely resolved rotation of the rotary support member 39 and thus an attached forming unit or working unit relative to the base member 37th
- Fig. 12 is a perspective view of a support means 23 with integrated reduction gear (cyclone gear) and shown with clamping elements 25, namely their outwardly facing mounting side. It carries an adapter plate 95 for attaching a special Umformaggregates or working aggregate, such as a drilling unit, thread cutting unit or the like. This adapter plate 95 is part of the Garrungseinrichung 23 and also serves to center the reduction gear and torque transfer.
- Fig. 13 shows a perspective view of a forming machine with integrated material processing device 14 according to the invention. It is the one in the Fig. 1 and 2 shown punching and bending machine 1, compared to that in the Fig. 1 and 2 punching and bending machines shown an additional forming unit 7f and a second press 15, for example for punching, bending and / or cutting has.
- the feed direction which lies in the longitudinal direction of the forming units 7a to 7f, can be aligned in parallel for all the forming units 7a to 7f.
- the feed directions of the forming units 7a to 7f are aligned vertically.
- the forming units 7a to 7f can also face each other at any other angles to the direction of gravity.
- the forming units for processing advanced tool carrier for example, for a mutual tool engagement aligned with each other, such as in the forming units 7a and 7f, 7b and 7e and 7c and 7d.
- a pair of forming units may be located outside the center of the annular through-hole 19.
- the Umformstelle 11 is arranged in the middle of the annular through hole 19.
- a receptacle is shown, to which a holding tool for the workpieces to be produced can be connected.
- the holding tool may have guideways in which move tools that are advanceable with a forming unit.
- the forming units are preferably freely accessible from the environment of the machine.
- the deformation point 11 is preferably freely accessible from the environment of the forming machine.
- Fig. 14 schematically shows a support device 23 with a base part 37 and a rotary support member 39 in a section through a rotation axis 100 of an adapter plate 109.
- a Gleitkeilgetriebe is integrated in the mounting device 23, a Gleitkeilgetriebe is integrated.
- the Gleitkeilgetriebe includes a drive adapter 101 which is rotatably mounted in bearings 102 and 103 in the base member 37 about the axis 100.
- An elliptical disk 104 is fastened, preferably screwed, to the drive adapter 101.
- the elliptical disk 104 may be integral with the drive adapter 101.
- a rolling bearing 105 having an elliptic rolling bearing track is disposed at the elliptical outer periphery of the elliptical disk 104.
- the rolling bearing 105 supports an externally toothed ring portion 106 of a sleeve 108 rotatably relative to the elliptical disk 104.
- the external teeth of the ring portion 106 engages the peripheral portions of the elliptical disk 104 with the largest radius in an internal toothing of a ring gear 107.
- the ring gear 107 is rotationally connected to the base member 37 or alternatively formed integrally therewith.
- the central axis of the ring gear 107 coincides with the axis of rotation 100.
- the toothed ring portion 106 is connected via the sleeve 108 with the turntable 109, which forms the output of the transmission.
- the two meshing engagement points between the externally toothed ring portion 106 and the internally toothed ring gear 107 rotate with the rotation of the drive adapter 101 in the ring gear 107. Since the external toothing of the ring portion 106 is provided with fewer teeth than the ring gear 107, moves through the tooth difference of the externally toothed ring portion relative to the ring gear 107.
- a bore can be provided in the base part 37 and in the rotary support part 39, with which a forming unit 7 placed on the mounting device 23 can be aligned with a machine center, if the bore in the base part and the bore in the rotary support part are aligned.
- a pin can be inserted into both holes.
- a bore may also be arranged in the adapter plate 109 instead of in the rotary holder part 39.
- Fig. 14a shows a section of the in Fig. 14 shown cross-section, which also differs in that a coupling element 63 and a rotary actuating shaft 75 with the support means 23 are engaged.
- the rotary operation shaft 75 is inserted inside the drive adapter 101.
- the interior of the drive adapter 101 has a polygonal cross-section which is compatible with a cross-section of the outer circumference of the rotary actuation shaft 75, so that the rotary actuation shaft 75 can be rotationally inserted into the drive adapter 101.
- the outer periphery of the rotary actuating shaft 75 has a square, preferably with chamfered or rounded corners.
- the rotary actuation shaft 75 also passes through the interior of the latching element 77.
- An end face of the coupling element 63 bears against the end face of the latching element 77 facing away from the mounting device 23. If the coupling element 63 is advanced in the direction of the mounting device 23, then the detent element 77 dips into the interior of the mounting device 23. In this case, compression springs 79 are compressed. The compression springs 79 are preferably arranged at least partially in recesses in the latching element 77 and preferably in its axial direction. The latching element 77 can be pushed into the base part 37 far enough so that the outer surface of the base part 37 is at least flush with the end face of the latching element 77 facing away from the mounting device 23, or it dips further into the interior of the base part 37. In this position, the support means 23 can be moved with respect to the mounting frame 5.
- the mounting device 23 has a pretensioning device for the rotary mounting part 39.
- a spring 92 designed here as a compression spring element is supported on the base part 37.
- the compression spring element 92 is arranged in a recess in the base part 37, wherein the recess is closed by a plug, on which the compression spring element 92 is supported.
- the plug may be designed, for example, as a grub screw or pressed-in pin or the like.
- the compression spring member 92 acts on the rotation support member 39 by the compression spring member 92 pushes the rotation support member 39 in the direction of the adapter plate 109 of the base member 37.
- the compression spring element 92 is seated on a contact element 112, which forwards the pressure forces to the rotary support part 39. In this way, the base member 37 and the rotary support member 39 are biased against each other.
- a plurality of compression spring elements 92 are arranged around the axis of rotation 100 with the same radius with respect to the axis of rotation 100.
- the axial mobility between the base member 37 and the rotary support member 39 By the bias of the compression spring member 92, the Drehhalterungsteil 39 is pressed against the flange sleeves 87, unless the Drehhalterungsteil 39 with the sliding blocks 27 to the Mounting frame 5 is pulled.
- the rotary support member 39 in this case does not contact the outer wall 21 of the mounting frame member 17, but a small distance, for example 0.2 mm, is maintained between the outer wall 21 and the rotary support member 39. In this way, the rotary support member 39 can be rotated regardless of the position of the base member 23.
- At least two sliding blocks 27 are provided on the rotary support part 39, one of which is intended for engagement in the groove 29 or 31 in one embodiment.
- the distance between the sliding blocks 27 is variable from the axis of rotation 100.
- a longitudinal groove or a longitudinal shoulder may be provided, in or on which an attachment of a sliding block 27 is displaceable.
- Fig. 15 shows a section of a view of the forming machine with a plurality of forming units 7, which are mounted on the mounting frame 5.
- Each of the forming units 7 carries a tool 120, with which a workpiece can be processed, which is attached to a central Umformstelle 11.
- a workpiece holder 122 is arranged.
- Each of the forming units 7 has a feed direction 121, in which the tools 120 can be advanced and withdrawn.
- the workpiece holder 122 has guides 123 in which tools 120 are movable.
- the leadership of in FIG. 15 shown tool 120 is hidden by this.
- Fig. 3 shows how the inclination sensors 124 can be applied to a guide 123 to determine their angular orientation.
- the sensors are capacitive tilt sensors that can measure the angle of the guideway with respect to gravity. This serves to provide an angle specification for the alignment of the forming units 7, so that their feed direction 121 coincides with the guide direction of the guides 123.
- the tools provided for the guidance in the guides 123 are dismantled.
- the guide angle sensors 124 are reversibly fastened to the guides 123. As an alternative to the embodiment with two guide angle sensors 124 in FIG. 15, only one single guide angle sensor 124 may be provided.
- a guide angle sensor 124 is preferably applied to a guide surface of a guide 123 which extends at least approximately radially to the center axis 53.
- FIG. 16 shows the view FIG. 15 with the difference that the forming units 7 are not shown.
- the viewer's gaze therefore falls on the rotary support parts 39 provided for the forming units 7.
- An aggregate angle sensor 125 is fastened rotationally fixed to the rotary support parts 39 in each case.
- a feed direction 121 of a forming unit 7 can thus be determined.
- the signal measured by the aggregate angle sensor 125 is related to the feed direction 121, wherein an offset may be to be added or subtracted.
- the offset may result from angular deviations to a zero position of an Aggegatwinkelelsors 125.
- the angular position of the feed direction 121 can be adjusted so that it coincides with the guide direction of a guide 123.
- the signal of an aggregate angle sensor 125 can be compared with a signal of a guide angle sensor 124, and the changing of the angular position of the unit 7 can be continued until the angular position of the feed device 121 coincides with the guide direction of a guide 123.
- an offset between the measured value of a guide angle sensor 124 and the actual position of a guide direction of a guide 123 must be taken into account.
- the adjusting element 51 can be adjusted, whereby the angular position of a forming unit 7 changes.
- the angular position can be effected by turning the Drehhalterungsteils 39.
- the measured signal of an aggregate angle sensor 125 results from two adjustment options, it is preferable to additionally detect at least one of the setting angles of the adjusting element 51 or of the rotation angle of the rotary holding part 39 separately, in order to obtain a distance of the in FIG. 15 can be determined from the center axis 53 coincide with the feed direction 121 longitudinal central axis of a forming unit 7.
- a displaceability of the clamping elements 25 can be realized by means of a projection 35 on a rotary support member 39, wherein a clamping member 25 is supported on the projection 35 to pull down the projection 35 and thus tighten the Drehhalterungsteil 39 and at the same time the base part.
- the clamping elements 25 are not connected to the rotary support part 39, but to the base part 37. Since the base part 37 does not rotate with respect to the annular grooves 29 and 31, an alignment for all rotational angles of the rotary holding part 39 thus remains ensured.
- the rotary support member 39 may be fixed to the base member 37 with an additional fixing mechanism. The latter embodiments can be applied to all embodiments of the forming machine.
- the rotation of the angular position of the unit 7 on a mounting device 23 can also take place when the mounting device 23 does not include an integrated reduction gear.
- Fig. 17 shows a perspective view of a portion of a material processing apparatus 14 according to the invention as a component of the forming machine 1 from its back, wherein the upper ends of two presses 15, in particular punching and / or cutting presses 15, are visible.
- a sliding drive mechanism 200 is disposed on an upper side of the forming machine 1.
- the drive mechanism 200 serves for the linear displacement of the presses 15 and comprises a threaded spindle 201 with corresponding bearings, a drive motor 202, which in the embodiment shown is connected via a gear, in particular a toothed belt transmission 203 with the threaded spindle 201.
- other transmissions may be used or a direct drive of the threaded spindle 201 may be provided.
- a running rail 204 is arranged as a linear guide element.
- the presses 15 are guided displaceably.
- the displacement may be effected by the drive mechanism 200.
- each of the presses on a bearing housing 205 which encloses each of the threaded spindle 201 and includes a respective spindle nut 214.
- Each bearing housing 205 is mechanically connected to the associated press 15 via a connecting element 209, so that driving forces from the bearing housing 205 can lead to a displacement of the presses 15.
- the track rail 204 may be disposed on the upper edge of a mounting plate 208.
- the presses 15 can be fixed after a shift operation is completed.
- the shifting operation takes place in order to adapt also the material processing device 14 of the forming machine 1 to changed production conditions, for example for the production of another part to be produced with other tools or a differently dimensioned part.
- the rail 204 may consist of several individual sections.
- Fig. 18 shows a view of a press 15 and a bearing housing 205 in the direction of the threaded spindle 201.
- the threaded spindle 201 shown in its cross section is enclosed by the bearing housing 205.
- the bearing housing 205 has an actuating element 210 on its upper side.
- the bearing housing 205 is connected to the press 15.
- On the press 15 a roller holder 207 is further attached.
- the roller holder 207 carries a roller 206 which is rotatably mounted on the roller holder 207.
- the roller 206 runs along a side surface of the track rail 204.
- the roller 206 engages behind the track rail 204 or the mounting plate 208 from the position of the press 15, to prevent them from their leadership on top of the Running rail 204 may fall.
- the track rail 204 is mounted on an upper surface of the mounting plate 208.
- a linear guide element 211 is arranged on the upper side of the running rail 204.
- the linear guide element 211 is a linear Wälz arrangement.
- the linear guide element 211 is attached to the press 15.
- a Abstandseinstellelement 212 is arranged, with which the position of the roller 206 relative to the punching and / or cutting press 15 can be varied.
- a greater thickness of the Abstandseinstellelements 212 leads to a drawing of the press 15 to the mounting plate 208. Thus, it can be set that the press 15 is guided with little play to the mounting plate 208.
- the roller 206 may also be guided on the mounting plate 208.
- Fig. 19 shows a perspective view of a section of the displacement drive mechanism 200.
- the bearing housing 205 is attached to a bow-shaped connecting member 209. This is carried out with such a stiffness that smaller misalignments between the guide along the rail 204 and the mounting plate 208 and the guide of the bearing housing 205 along the threaded spindle 201 are compensated. In particular, the strength of one or more plate-shaped sections of the connecting element 209 can be suitably selected for this purpose.
- the roller holder 207 are U-shaped. Through the base of the U runs a bore through which an axis of the roller 206 is inserted and screwed to this base of the U.
- An actuator 210 is disposed above the top of the connector 209.
- the forming machine 1 has below the track rail 204 a height adjustment device 213, with a height position of the press 15 is adjustable.
- Fig. 20 shows the same perspective view as Fig. 19 with the difference that the bearing housing 205 is not shown, but only the components that surrounds the bearing housing 205. In addition, the connecting member 209 is omitted.
- Fig. 20 is to see a coupling device 223 for the spindle nut 214, which is arranged on the threaded spindle 201 and engages around this. With the coupling device, the spindle nut 214 can be coupled to the bearing housing 205. Preferably, this is a bi-spanned preloaded spindle nut 214 that operates essentially free of play.
- the resultant of the bias friction of the spindle nut 214 relative to the spindle 201 is desirable because the spindle nut 214 is to rotate with the spindle 201 in the idle mode, if no shift of the press 15 desired and the spindle nut 214 is not force-transmitting coupled to the bearing housing 205 is.
- the spindle nut 214 rotates with the threaded spindle 201, the spindle nut 214 remains stationary along the threaded spindle 201.
- the actuating element 210 belonging to the coupling device 223 can be actuated.
- springs 219 and 220 which are each arranged on an end of the blocking elements 215 and 216 which likewise belong to the coupling device 223, are biased on an actuating element 210. If one of the blocking elements 215 or 216 is opposite one of the recesses 217 or 218, the respective spring 219 or 220 relaxes, wherein the respective blocking element 215, 216 is advanced into the recess 217 or 218. Since it is normally not clear whether a blocking element 215, 216 opposite to a recess 217, 218, the spindle 201 can be rotated with the spindle nut 214, while the actuator 210 is actuated.
- a recess 217 or 218 reaches a position in which one of the blocking elements 215 or 216 engages in the corresponding recess 217 or 218.
- the recesses 217 and 218 are arranged axially and circumferentially of the spindle nut at different positions of the spindle nut 214.
- the recesses 217 and 218 are distributed uniformly on the circumference of the spindle nut.
- Each of the Recesses 217 and 218 has a stop surface for the respective blocking element 215 or 216, which are arranged approximately tangentially to the substantially cylindrical spindle nut 214.
- each of the recesses 217 and 218 has a radial surface 226 and 227, respectively, which is arranged substantially radially on the spindle nut 214. While the stop surface 224, 225 stops the latching movement of the blocking elements 215 and 216, depending on the direction of rotation of the threaded spindle 201 of one of the blocking elements 215 or 216 at one of the radial surfaces of one of the recesses 217 and 218 start and blocking the spindle nut 214 against rotation cause the threaded spindle 201.
- both blocking elements 215 and 216 engage in a respective recess 217 or 218, and so both directions of rotation of the spindle nut 214 relative to the threaded spindle 201 are blocked.
- the blocking of the spindle nut 214 leads to a relative movement of the spindle nut 214 relative to the rotating threaded spindle 201, which causes a displacement of the press 15 along the linear guide. So far as several presses 15 are present, thus each of these presses 15 can be linearly moved by operating their respective actuating element 210 by means of the threaded spindle 201.
- the direction of rotation of the threaded spindle 201 indicates the direction of movement of the press 15.
- each of the plurality of presses 15 is individually positionable independently of the other presses 15 in this way along the linear guide.
- another material processing unit can be equipped in a corresponding manner with a spindle nut 214 seated on the threaded spindle 201, which can likewise be adjusted linearly in the manner described.
- the actuator 210 is preferably a pneumatic cylinder, but may also be a magnet armature actuator, a hydraulic cylinder, a linear actuator with spindle and nut or the like.
- the actuating element can be controlled by a machine control.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Press Drives And Press Lines (AREA)
- Machine Tool Units (AREA)
Description
Die vorliegende Erfindung betrifft eine Materialbearbeitungsvorrichtung, insbesondere als Komponente einer Umformmaschine, mit wenigstens einem Materialbearbeitungsaggregat, das entlang einer Linearführung linear verschiebbar angeordnet ist und mittels eines Spindeltriebes verschiebbar ist, um es in eine gewünschte Soll-Arbeitsposition zu bringen.The present invention relates to a material processing device, in particular as a component of a forming machine, with at least one material processing unit, which is arranged linearly displaceable along a linear guide and is displaceable by means of a spindle drive in order to bring it into a desired desired working position.
Solche Materiabearbeitungsvorrichtungen können Materialbearbeitungsaggregate, wie etwa Stanzpressen, Materialeinzüge, oder dgl. in einer Umformmaschine umfassen, die einem oder mehreren Umformaggregaten der Umformmaschine vorgeschaltet und linear hintereinander angeordnet sind.Such material processing devices may include material processing units, such as stamping presses, material feeds, or the like. In a forming machine, which are upstream of one or more forming units of the forming machine and arranged linearly one behind the other.
Umformmaschinen der hier betrachteten Art weisen wenigstens ein Umformaggregat, vorzugsweise jedoch mehrere Umformaggregate auf, die mittels Halterungseinrichtungen z. B. außen an einer Außenwand eines Montagerahmens in ihrer jeweiligen Soll-Arbeitsposition montiert sind und die zur Ausführung von Umformbewegungen antreibbare Umformwerkzeuge aufweisen. Diese wirken auf ein üblicherweise streifenförmiges oder drahtförmiges und an einem Dorn, Gesenk oder dgl. abgestütztes Halbzeug aus Metall umformend ein, um ein Werkstück der jeweils gewünschten Form herzustellen. Der Begriff Umformwerkzeug kann im Rahmen der vorliegenden Erfindung auch Bearbeitungswerkzeuge wie z. B. Bohraggregate, Gewindeschneidaggregate, Materialauftragsaggregate u. dgl. umfassen.Forming machines of the type considered here have at least one forming unit, but preferably a plurality of Umformaggregate, z. B. are mounted on the outside of an outer wall of a mounting frame in their respective desired working position and have the drivable for performing forming movements forming tools. These act on a usually strip-shaped or wire-shaped and on a mandrel, die or the like. Supported semi-finished metal from a metal forming to produce a workpiece of the desired shape. The term forming tool can in the context of the present invention, machining tools such. B. drilling units, thread cutting units, material application units u. Like. Include.
Aus dem Stand der Technik sind solche Umformmaschinen, z. B. als Biegeautomaten für die Serienfertigung von Biegeteilen, in diversen Ausgestaltungen bekannt. So sind z. B. konventionelle Biegeautomaten in der
Der durch eine Biegedornanordnung, Gesenkanordnung oder dgl. definierten Biegestelle der Biegeaggregate werden von einem Materialeinzug die zu biegenden Halbzeuge zugeführt. In vielen Fällen fördert der Materialeinzug Flachbandmaterial oder Drahtmaterial als Halbzeug zur Biegestelle, wobei das Flachbandmaterial oder Drahtmaterial von einem Vorratscoil abgewickelt wird. Häufig ist der Biegestelle der Biegeaggregate auch eine Stanzpresse oder sonstige Schneidvorrichtung zur bestimmten Bearbeitung des Halbzeugs vorgeschaltet, wobei eine solche Schneid- oder Stanzvorrichtung üblicherweise linear in Reihe mit einem Materialanzug angeordnet sind. Die vorliegende Erfindung befasst sich primär mit Materialbearbeitungsvorrichtungen, die derartige linear in Reihe hintereinander angeordnete Materialbearbeitungsaggregate umfassen.The bending point of the bending units defined by a bending mandrel arrangement, die arrangement or the like are fed by a material feeder to the semi-finished products to be bent. In many cases, the material feeder promotes flat strip material or wire material as a semi-finished product to the bending point, wherein the flat strip material or wire material is unwound from a Vorratscoil. Frequently, the bending point of the bending units is also preceded by a punch press or other cutting device for certain processing of the semifinished product, such a cutting or punching device are usually arranged linearly in series with a material suit. The present invention is primarily concerned with material handling apparatus comprising such linearly sequentially arranged series-processing equipment.
Das Einrüsten und Umrüsten der oben erwähnten konventionellen Biegeautomaten, um ein gewünschtes Biegeteil in Massenfertigung herstellen zu können, ist ein sehr aufwändiger Prozess, der die exakte Positionierung der Biegeaggregate in jeweils vorbestimmten Soll-Arbeitspositionen umfasst, wobei das Antriebskonzept des Drehmomentabgriffs von einem zentralen Großzahnrad diesbezüglich Beschränkungen in den Wahlfreiheitsgraden bei der Positionierung der Biegeaggregate beinhaltet. Zu den Einrüst- und ggf. Umrüstvorgängen gehört auch die Bereitstellung der betreffenden Kurvenscheiben für die Biegeschlitten.The incorporation and retrofitting of the above-mentioned conventional bending machines to produce a desired bending part in mass production, is a very complex process, which includes the exact positioning of the bending units in each predetermined target working positions, the drive concept of torque picking from a central large gear in this regard Constraints on the degrees of freedom in the positioning of the bending units. The installation and, if necessary, retrofitting processes also include the provision of the relevant cams for the bending carriages.
Normalerweise erfordert der Einrüst- oder Umrüstvorgang auch eine genaue Positionierung der den Biegeaggregaten vorgeschalteten, linear hintereinander angeordneten Komponenten, wie Materialeinzug oder/und Stanzpresse.Usually, the Einrüst- or Umrüstvorgang also requires an accurate positioning of the bending units upstream, linearly arranged one behind the other components, such as material intake and / or punching press.
Aus der
Es sind auch bereits Biegeautomaten bekannt geworden, bei denen das Antriebskonzept des Drehmomentabgriffs von einem zentralen Großzahnrad für die Biegeaggregate aufgegeben wurde zugunsten von Biegeaggregaten, die eigene nummerisch gesteuerte Antriebe in Form von Elektromotoren aufweisen. Die Bewegungsabläufe bei den Umformbewegungen solcher Biegeaggregate laufen dabei programmgesteuert ab. Auf die herkömmlichen Kurvenscheiben kann dabei verzichtet werden, so dass das Einrüsten und Umrüsten des Biegeautomaten nicht mehr die Bereitstellung und Montage von Kurvenscheiben beinhaltet, sondern eine entsprechende Änderung des Steuerprogramms für das jeweilige NC-Antriebsaggregat erfordert. NC-Biegeaggregate können überdies in vielfältigeren Soll-Arbeitspositionen an der Außenwand des Montagerahmens positioniert werden, da die Anbindung an ein zentrales Großzahnrad nicht mehr erforderlich ist. Ein Beispiel für einen solchen Biegeautomaten mit nummerisch gesteuerten NC-Biegeaggregaten wird von der Otto Bihler Maschinenfabrik GmbH & Co. KG, D-87642 Halblech, unter der Produktbezeichnung BIMERIC BM 306 vertrieben.There are already known bending machines in which the drive concept of Drehmomentabgriffs was abandoned by a central large gear for the bending units in favor of Biegeaggregaten having their own numerically controlled drives in the form of electric motors. The movements during the forming movements of such bending units run programmatically. On the conventional cams can be dispensed with, so that the installation and retrofitting of the bending machine no longer includes the provision and installation of cams, but requires a corresponding change in the control program for each NC drive unit. NC Biegeaggregate can also be positioned in a variety of desired working positions on the outer wall of the mounting frame, as the connection to a central large gear is no longer required. An example of such a bending machine with numerically controlled NC bending units is sold by Otto Bihler Maschinenfabrik GmbH & Co. KG, D-87642 Halblech, under the product name BIMERIC BM 306.
Aufgabe der vorliegenden Erfindung ist es, eine Materialbearbeitungsvorrichtung der Eingangs genannten Art, insbesondere als Teil einer Umformmaschine bereitzustellen, wobei die Materialbearbeitungsvorrichtung eine weitgehende Vereinfachung ihrer Einrüstung bzw. Umrüstung, d.h. der Positionierung der Materialbearbeitungsaggregate in ihren Soll-Arbeitspositionen im Hinblick auf eine bestimmte Materialbearbeitungsaufgabe erlaubt.Object of the present invention is a material processing apparatus of the type mentioned, in particular as part of a forming machine to provide, wherein the material processing device allows a substantial simplification of their equipment or conversion, ie the positioning of the material processing units in their desired working positions with respect to a specific material processing task.
Zur Lösung dieser Aufgabe wird erfindungsgemäß eine Materialbearbeitungsvorrichtung gemäß Anspruch 1 vorgeschlagen, die mindestens ein Materialbearbeitungsaggregat aufweist, das entlang einer Linearführung linear verschiebbar angeordnet ist, wobei das Materialbearbeitungsaggregat mittels eines steuerbaren Antriebsmechanismus automatisiert linear verschiebbar ist, um es in einer jeweiligen Soll-Arbeitsstellung zu positionieren, wobei der Antriebsmechanismus eine Gewindespindel zum Verschieben des Materialbearbeitungsaggregates aufweist, und wobei dem linear verschiebbaren Materialbearbeitungsaggregat eine von der Gewindespindel durchsetzte Spindelmutter zugeordnet ist, die mittels einer Kupplungsvorrichtung wechselweise in einen Leerlaufbetriebszustand und in einen Kopplungsbetriebszustand versetzbar ist, wobei sie in dem Leerlaufbetriebszustand mit der Gewindespindel drehbar ist, so dass sie keine Linearbewegung längs der Gewindespindel ausführt, wohingegen sie in dem Kopplungsbetriebszustand verdrehfest mit dem Materialbearbeitungsaggregat gekoppelt ist, so dass sie bei Drehung der Gewindespindel eine Linearbewegung entlang der Gewindespindel unter Mitnahme des Materialbearbeitungsaggregates längs der Linearführung ausführen kann.To achieve this object, a material processing apparatus according to claim 1 is proposed according to the invention, which has at least one material processing unit, which is arranged linearly displaceable along a linear guide, wherein the material processing unit is automatically linearly displaceable by means of a controllable drive mechanism to position it in a respective desired working position wherein the drive mechanism comprises a threaded spindle for displacing the material processing unit, and wherein the linearly displaceable material processing unit is associated with a spindle nut threaded by the threaded spindle, which is mutually displaceable by means of a coupling device in an idle operating state and in a coupling operating state, in the idle operating state with the threaded spindle is rotatable so that it performs no linear movement along the threaded spindle, whereas in the coupling operating state is rotationally coupled to the material processing unit, so that they can perform a linear movement along the threaded spindle with entrainment of the material processing unit along the linear guide upon rotation of the threaded spindle.
Die so ausgestaltete Materialbearbeitungsvorrichtung nach der Erfindung erlaubt eine rechnergesteuerte und somit automatische Positionierung des Materialbearbeitungsaggregates in dessen Soll-Arbeitsposition, was ein rasches und präzises Umrüsten des Materialbearbeitungsaggregates ermöglicht. Besondere Vorteile ergeben sich hieraus für einen Umrüstvorgang einer gesamten Umformmaschine, wenn die erfindungsgemäße Materialbearbeitungsvorrichtung Teil der Umformmaschine ist und letztere ebenfalls gesteuert automatisiert in jeweilige Soll-Arbeitspositionen einstellbare Umformaggregate aufweist. Umformmaschinen mit gesteuert automatisiert in jeweilige Soll-Arbeitspositionen einstellbaren Umformaggregaten sind z. B. aus der
Ein besonderer Vorteil der Erfindung kommt zum Tragen, wenn die Materialbearbeitungsvorrichtung wenigstens zwei Materialbearbeitungsaggregate umfasst, die entlang der Linearführung linear verschiebbar angeordnet sind, um sie in einer jeweiligen Soll-Arbeitsposition zu positionieren, wobei jedem der beiden Materialbearbeitungsaggregate eine jeweilige eigene von der Gewindespindel durchsetzte Spindelmutter zugeordnet ist und jede der Spindelmuttern mittels einer jeweiligen Kupplungsvorrichtung wechselweise in einen Leerlaufbetriebszustand und in einen Kopplungsbetriebszustand versetzbar ist, wobei sie in dem Leerlaufbetriebszustand mit der Gewindespindel drehbar ist, so dass sie keine Linearbewegung längs der Gewindespindel ausführt, wohingegen sie in dem Kopplungsbetriebszustand verdrehfest mit dem ihr zugeordneten Materialbearbeitungsaggregat gekoppelt ist, so dass sie bei Drehung der Gewindespindel eine Linearbewegung entlang der Gewindespindel unter Mitnahme des ihr zugeordneten Materialbearbeitungsaggregates längs der Linearführung ausführen kann. Diese Ausführungsform der Erfindung erlaubt es in flexiber Weise mehrere linear bewegbar geführte Materialbearbeitungsaggregate gleichzeitig relativ zueinander oder/und relativ zu einer vorgeschalteten oder nachgeschalteten Materialbearbeitungseinrichtung automatisch rechnergesteuert zu bewegen und zu positionieren und dies mittels einer einzigen gemeinsamen Antriebsspindel. Es kann somit ein recht einfacher Antriebsmechanismus genutzt werden, um die mehreren Materialbearbeitungsaggregate im Wesentlichen unabhängig voneinander in Soll-Arbeitsposition zu positionieren. Umrüstvorgänge können auf diese Weise schnell und präzise durchgeführt werden. Die Steuerung des Antriebsmechanismus und speziell der Kupplungsvorrichtungen erfolgt mittels einer Maschinensteuerung, die im Falle der Integration der Materialbearbeitungsvorrichtung in einer Umformmaschine, wie sie z. B. in
Der Aspekt der automatisierten Linearverschiebung und Positionierung von Materialbearbeitungsaggregaten bietet ganz allgemein auf einfache Weise und mit relativ kostengünstigen und platzsparenden Mitteln ein schnelles Umrüsten von Umformmaschinen mit in Reihe angeordneten Materialbearbeitungsaggregaten, inclusive etwaiger Umformaggregate.The aspect of automated linear displacement and positioning of material processing units generally offers a simple way and with relatively inexpensive and space-saving means a quick conversion of forming machines with material processing units arranged in series, including any forming units.
Die Gewindespindel der Materialbearbeitungsvorrichtung kann irgendein geeignetes Gewinde aufweisen. Vorzugsweise wird jedoch eine Gewindespindel mit einem Trapezgewinde herangezogen.The threaded spindle of the material processing device may have any suitable thread. Preferably, however, a threaded spindle is used with a trapezoidal thread.
Das Materialbearbeitungsaggregat ist bzw. die Materialbearbeitungsaggregate sind vorzugsweise ausgewählt aus:
- Presse, insbesondere Stanzpresse oder Schneidpresse;
- Materialeinzugsvorrichtung;
- Materialverbindungsaggregat, insbesondere Schweißaggregat;
- Biegeaggregat;
- Gewindeformaggregat;
- Schraubaggregat;
- Bohraggregat;
- Laseraggregat, insbesondere Schneidlaser- oder/und Schweißlaser.
- Press, in particular punch press or cutting press;
- Material intake device;
- Material connection unit, in particular welding unit;
- Bending the material;
- Tapping the material;
- Schraubaggregat;
- drilling unit;
- Laser aggregate, in particular cutting laser or / and welding laser.
Die Erfindung ist im Folgenden unter Bezugnahme auf die Figuren näher erläutert.
- Fig. 1
- zeigt ein Ausführungsbeispiel einer Umformmaschine mit einer Materialbearbeitungsvorrichtung nach der Erfindung in einer Perspektivdarstellung.
- Fig. 2
- zeigt die Umformmaschine aus
Fig. 1 in einer Vorderansicht. - Fig. 3
- zeigt ein zentrales Montagerahmenelement aus
Fig. 1 in einer isolierten, perspektivischen Darstellung, wobei die Bestückung der Umformmaschine inFig. 3 mit Umformaggregaten von der Bestückung inFig. 1 abweicht. - Fig. 4
- zeigt eine perspektivische Ansicht auf die Innenseite der mit Umformaggregaten bestückten Außenwand des Montagerahmenelementes aus
Fig. 3 . - Fig. 5
- zeigt in perspektivischer Ansicht eine kombinierte Antriebsbaugruppe aus einem Kopplungsantrieb und einem Drehhalterungsantrieb, die auch in
Fig. 4 erkennbar ist. - Fig. 6
- zeigt den unteren Bereich der kombinierten Antriebsbaugruppe aus
Fig. 5 in perspektivischer Darstellung, jedoch aus einer anderen Blickrichtung, die inFig. 5 mit dem Pfeil VI angedeutet ist. - Fig. 7 und 8
- zeigen eine Halterungseinrichtung der Umformaggregate in einer Vorderansicht und in einer Rückansicht.
- Fig. 9
- zeigt eine Schnittdarstellung der Halterungseinrichtung mit der in
Fig. 7 mit B-B gekennzeichneten Schnittebene. - Fig. 10
- zeigt die Halterungseinrichtung aus
Fig. 7 in einer Schnittdarstellung mit dem inFig. 7 durch A-A angedeuteten Schnittverlauf, wobei der vordere Bereich des Kopplungselementes und einer Drehbetätigungswelle in Kopplungsstellung und in Dreheingriffsstellung eingezeichnet ist. - Fig. 11
- zeigt die Halterungseinrichtung in einer perspektivischen Rückansicht, wobei zusätzlich strichpunktiert das Kopplungselement und die darin aufgenommene Drehbetätigungswelle eingezeichnet sind.
- Fig. 12
- zeigt eine Halterungseinrichtung mit integriertem Untersetzungsgetriebe, hier ein Zykloidgetriebe, und mit einem zugehörigen Adapterelement zum Anbau eines speziellen Umformaggregates.
- Fig. 13
- zeigt ein Ausführungsbeispiel der Umformmaschine nach der Erfindung in einer Perspektivdarstellung.
- Fig. 14
- zeigt eine Schnittdarstellung durch die Drehachse einer Halterungseinrichtung mit einem Drehhalterungsteil und einem Zykloidgetriebe.
- Fig. 14a
- zeigt einen Ausschnitt aus dem in
Fig. 14 gezeigten Querschnitt, der sich davon darin unterscheidet, dassein Kopplungselement 63 und eine Drehbetätigungswelle 75mit der Halterungseinrichtung 23 in Eingriff stehen. - Fig. 15
- zeigt eine Ansicht von Teilen von drei Umformaggregaten mit Halterungseinrichtungen, der Umformstelle sowie des Montagerahmens.
- Fig. 16
- zeigt die Ansicht aus
Fig. 15 , wobei jedoch die Umformaggregate von den Halterungseinrichtungen abgenommen sind. - Fig. 17
- zeigt eine perspektivische Ansicht der Umformmaschine von der Rückseite, und zwar mit Sicht auf eine Materialbearbeitungsvorrichtung nach der Erfindung, wobei die oberen Enden von zwei linear verschiebbaren Pressen und deren Verschiebeantriebsmechanismus zu sehen sind.
- Fig. 18
- zeigt schematisch eine perspektivische Ansicht des Verschiebeantriebsmechanismus entlang einer Oberkante der Umformmaschine.
- Fig. 19
- zeigt eine perspektivische Ansicht eines Ausschnitts des Verschiebeantriebsmechanismus mit einem Lagergehäuse.
- Fig. 20
- zeigt dieselbe perspektivische Ansicht wie
Fig. 19 , wobei jedoch das Lagergehäuse weggelassen ist, so dass dessen Inneres sichtbar ist.
- Fig. 1
- shows an embodiment of a forming machine with a material processing apparatus according to the invention in a perspective view.
- Fig. 2
- shows the forming machine
Fig. 1 in a front view. - Fig. 3
- shows a central mounting frame element
Fig. 1 in an isolated, perspective view, wherein the assembly of the forming machine inFig. 3 with forming units from the assembly inFig. 1 differs. - Fig. 4
- shows a perspective view of the inside of the equipped with Umformaggregaten outer wall of the mounting frame element
Fig. 3 , - Fig. 5
- shows in perspective view a combined drive assembly of a coupling drive and a rotary support drive, which also in
Fig. 4 is recognizable. - Fig. 6
- shows the bottom of the combined drive assembly
Fig. 5 in a perspective view, but from a different perspective, inFig. 5 indicated by the arrow VI. - FIGS. 7 and 8
- show a mounting means of the forming units in a front view and in a rear view.
- Fig. 9
- shows a sectional view of the support means with in
Fig. 7 with BB marked cutting plane. - Fig. 10
- shows the mounting device
Fig. 7 in a sectional view with the inFig. 7 indicated by AA cutting profile, wherein the front portion of the coupling element and a rotary actuating shaft is shown in the coupling position and in the rotational engagement position. - Fig. 11
- shows the mounting device in a perspective rear view, with dash-dotted lines in addition, the coupling element and the rotational actuation shaft received therein are drawn.
- Fig. 12
- shows a mounting device with integrated reduction gear, here a cycloidal gear, and with an associated adapter element for mounting a special forming unit.
- Fig. 13
- shows an embodiment of the forming machine according to the invention in a perspective view.
- Fig. 14
- shows a sectional view through the axis of rotation of a support device with a Drehhalterungsteil and a cycloidal gear.
- Fig. 14a
- shows a section of the in
Fig. 14 shown cross-section, which differs from the fact that acoupling element 63 and arotary actuating shaft 75 with the support means 23 are engaged. - Fig. 15
- shows a view of parts of three Umformaggregaten with support means, the Umformstelle and the mounting frame.
- Fig. 16
- shows the view
Fig. 15 However, wherein the forming units are removed from the support means. - Fig. 17
- shows a perspective view of the forming machine from the back, with a view of a material processing apparatus according to the invention, wherein the upper ends of two linearly displaceable presses and their displacement drive mechanism can be seen.
- Fig. 18
- schematically shows a perspective view of the displacement drive mechanism along an upper edge of the forming machine.
- Fig. 19
- shows a perspective view of a section of the displacement drive mechanism with a bearing housing.
- Fig. 20
- shows the same perspective view as
Fig. 19 However, the bearing housing is omitted, so that its interior is visible.
Bei der in den
z. B. von einem Coil abgewickelt wird. Die Umformmaschine 1 hat für die Materialzuführung einen NC-gesteuerten Materialeinzug 13, dem eine Presse 15 z.B. zum Stanzen, Biegen und/oder Schneiden in Materialflussrichtung vorgeschaltet ist. Der Materialeinzug 13 und die Presse 15 sind Komponenten des hier erläuterten Ausführungsbeispiels einer Materialbearbeitungsvorrichtung 14 nach der Erfindung.In the in the
z. B. is handled by a coil. The forming machine 1 has an NC-controlled
Die Presse 15 kann Löcher, Ausnehmungen und Konturen in das zugeführte Bandmaterial stanzen oder ggf. Abschnitte von einem betreffenden Bandmaterial trennen. Das so vorbereitete Bandmaterial gelangt dann als Halbzeug zu der Umformstelle 11, in der es in aufeinander folgenden Abschnitten umgeformt wird, so dass Werkstücke mit der gewünschten Form erzeugt werden. Insoweit funktioniert der in den
Eine Besonderheit der Umformmaschine ist die Möglichkeit des erleichterten (teil-) automatischen Einrüstens und Umrüstens mit Umformaggregaten 7 sowie Materialbearbeitungsaggregaten 13, 15, um ein spezifisches Werkstück herstellen zu können. Diesbezügliche Erläuterungen folgen nachstehend unter Bezugnahme auf die weiteren Figuren.A special feature of the forming machine is the possibility of facilitated (semi) automatic installation and conversion with forming
Die Halterungseinrichtung 23 umfasst zwei Grundkomponenten, nämlich ein im Beispielsfall kreisförmiges Basisteil 37 und ein daran drehbar gelagertes Drehhalterungsteil 39, an welchem das eigentliche Umformaggregat zu befestigen ist. Eine solche Konstruktion der Halterungseinrichtung 23 ermöglicht eine präzise Winkeleinstellung des daran fixierten Umformaggregats 7 relativ zu der Umformstelle 11 (vgl.
Die Halterungseinrichtungen 23 weisen jeweils an der der Außenwand 21 des Montagerahmenelements 17 zugewandten Rückseite an dem Basisteil 37 einen kreisbogenförmigen Vorsprung 41 auf, der mittig unterbrochen ist und an seinen außen liegenden Enden jeweils ein Gegenhalteelement in Form eines Gleitelementes trägt, wobei der kreisbogenförmige Vorsprung 41 die Krümmung des kreisringförmigen Durchgangslochs 19 aufweist und darin aufgenommen ist, so dass die Gleitelemente 43 auf der Innenseite 22 der Außenwand 21 des Montagerahmenelements 17 liegen und die Außenwand 21 an deren Innenseite 22 hintergreifen. Die länglich gestalteten Gleitelemente 43 können zum Anbau der Halterungseinrichtung 23 an der Außenwand 21 des Montagerahmenelements 17 so verdreht werden, dass sie längs mit dem kreisbogenförmigen Vorsprung 41 fluchten und somit von außen her durch das kreisringförmige Durchgangsloch 19 durchgeführt werden können. Danach können sie durch Verdrehen mittels eines Schraubwerkzeugs oder dgl. quergestellt werden, so dass sie die in den
Mittig im Bereich der Unterbrechung des kreisringförmigen Vorsprungs 41 weist das Basisteil 37 der Halterungseinrichtung 23 eine Bohrung 45 und einen darin aufgenommenen Ankopplungsmechanismus 47 für eine nachfolgend noch erläuterte Positionierungseinrichtung 49 zur Positionierung von Umformaggregaten 7 in einer jeweiligen Soll-Arbeitsposition an der Außenwand 21 des Montagerahmenelements 17 auf.Centered in the area of the interruption of the
Diese in
An der der Außenwand 21 abgewandten Stirnseite des Großzahnrads 51 ist eine Kopplungseinheit 59 anmontiert, die bei Drehung des Großzahnrads 51 von diesem mitgeführt wird. Die Kopplungseinheit 59 umfasst einen Kopplungsantrieb 61 mit einem NC-Elektromotor 62 und ein mit seiner Längsachse parallel zur Kreiszentrumsachse 53 und in Flucht mit dem kreisringförmigen Durchgangsloch 19 orientiertes, längliches Kopplungselement 63, welches ein Loch bei 64 in dem Großzahnrad 51 durchsetzt und von dem Kopplungsantrieb 61 zwischen einer Passivstellung und einer Kopplungsstellung axial bewegbar ist. Im Beispielsfall handelt es sich bei dem Kopplungselement 63 um eine längliche Hülse mit einer in
Der Drehhalterungsantrieb 69 hat einen NC-Elektromotor 71, welcher über ein Winkelgetriebe, z. B. Kegelradgetriebe, eine in
Das Kopplungselement 63 ist so dimensioniert, dass es von der Innenseite 22 der Außenwand 21 des Montagerahmenelementes 17 her das kreisringförmige Durchgangsloch 19 durchsetzen kann, um bei entsprechender Positionierung relativ zu einer außenseitig an dieser Außenwand 21 angeordneten Halterungseinrichtung 23 eines Umformaggregates 7 mit dem Kopplungsmechanismus 47 der Halterungseinrichtung 23 gekoppelt in Eingriff treten kann, wie dies in den
Parallel zum Einrücken des Kopplungselements 63 in die vorstehend erläuterte Kopplungsstellung kommt die Drehbetätigungswelle 75 in Dreheingriffsstellung mit dem Drehhalterungsteil 39 der Halterungseinrichtung 23, wobei ein vorderer Einsteckabschnitt 81 der Drehbetätigungswelle 75 mit seinem Polygonprofil in eine komplementär geformte Einstecköffnung 83 des Drehhalterungsteils 39 der Halterungseinrichtung 23 in Dreheingriff kommt, so dass sie das Drehhalterungsteil 39 relativ zu dem Basisteil 37 verdrehen kann.Parallel to the engagement of the
Ein ursprünglicher Einrüstvorgang der Umformmaschine 1 mit einem ersten Umformaggregat 7 kann z. B. folgendermaßen erfolgen:An original Einrüstvorgang the forming machine 1 with a first Umformaggregat 7 z. B. be done as follows:
Die Halterungseinrichtung 23 dieses Umformaggregates wird zunächst z.B. an der untersten Stelle des kreisringförmigen Durchgangslochs 19 angebaut, so dass die Gleitelemente 43 durch das Durchgangsloch 19 hindurchgeführt und dann in die in
Die Drehbetätigungswelle 75 kommt dabei mit der komplementären Einstecköffnung 83 des Drehhalterungsteils 39 der Halterungseinrichtung 23 in Dreheingriff. In dieser Situation kann der Monteur nun die Klemmelemente 25 lösen, um die Halterungseinrichtung 23 für die automatische Positionierung in ihre gewünschte Soll-Arbeitsposition freizugeben. Die Steuereinrichtung steuert dann das NC-Antriebsaggregat 55 erneut an, um das Großzahnrad 51 nun in eine Position zu verdrehen, in der die angekoppelte Halterungseinrichtung 23 auf dem kreisringförmigen Durchgangsloch 19 abgesetzt werden und verbleiben soll. Sodann kann bei Bedarf der Drehhalterungsantrieb 69 aktiviert werden, um das Drehhalterungsteil 39 der Halterungseinrichtung in eine Soll-Winkelposition relativ zu dem Basisteil 37 einzustellen. Ist dies geschehen, so kann der Monteur nun die Halterungseinrichtung 23 mittels der Klemmelemente 25 an der Außenwand 21 des Montagerahmenelementes 17 fixieren. Sofern nicht von Anfang an bereits das Umformaggregat 7 an seiner Halterungseinrichtung angeordnet war, kann dies nun erfolgen. Ein Raster von Befestigungsstellen auf dem Drehhalterungsteil ermöglicht eine definierte Positionierung des Umformaggregates an der Halterungseinrichtung 23. Die Steuerung kann nun dafür sorgen, dass das Kopplungselement 63 und die Drehbetätigungswelle 75 mittels der Antriebseinheiten 61 und 69 wieder in ihre zurückgezogenen Passivstellungen bewegt werden, so dass das Großzahnrad 51 (Stellelement) die Kopplungseinheit 59 wieder zur Aufnahmeposition vorzugsweise an der untersten Stelle des kreisringförmigen Durchgangslochs 19 bewegen kann, um ggf. eine dort nun angebrachte zweite Halterungseinrichtung 23 zu deren Positionierung in eine vorbestimmte Soll-Arbeitsposition koppelnd in Eingriff zu nehmen. Die bereits in Bezug auf die schon in Soll-Arbeitsposition verbrachte erste Halterungseinrichtung 23 beschriebenen Schritte werden nun auch mit der zweiten Halterungseinrichtung durchgeführt. Diese Vorgehensweise wird wiederholt, bis sämtliche Halterungseinrichtungen 23 in ihren Soll-Positionen fixiert und die zugehörigen Umformaggregate 7 oder Bearbeitungsaggregate daran festgemacht worden sind, sofern dies nicht bereits ursprünglich der Fall war.The
Auf diese Weise kann somit eine sehr schnelle und präzise Positionierung der Umformaggregate 7 (oder sonstiger auf den Halterungseinrichtungen 23 befestigbarer Bearbeitungsaggregate) in Soll-Arbeitspositionen in einem teilautomatisierten Betrieb erfolgen. Aber nicht nur der ursprüngliche Einrüstbetrieb kann so vereinfacht werden, sondern auch ein Umrüstbetrieb, wo bereits an dem Montagerahmenelement 17 befestigte Umformaggregate 7 lediglich in neue Positionen umzusetzen sind.In this way, thus a very fast and precise positioning of the forming units 7 (or other attachable on the support means 23 processing units) can be done in desired working positions in a partially automated operation. But not only the original Einrüstbetrieb can be simplified, but also a Umrüstbetrieb where already fixed to the mounting
In diesem Zusammenhang ist auch noch darauf hinzuweisen, dass die Außenwand 21 des Montagerahmenelementes 17 an ihrer Außenseite Rastausnehmungen 93 hat, die entlang dem kreisringförmigen Durchgangsloch 19 verteilt sind, wobei diese Rastausnehmungen komplementär zu den Rastelementen 77 der Halterungseinrichtungen 23 ausgebildet sind, so dass eine betreffende Rastausnehmung 93 ein in seiner Rastvorsprungsstellung vorgespanntes Rastelement 77 aufnehmen kann. Auf diese Weise sind definierte Aufnahmepunkte für die Halterungseinrichtungen 23 vorgesehen, was den Steuerungsbetrieb beim Ankoppeln der Kopplungseinrichtung und der Drehbetätigungsmittel erleichtert. Ferner befinden sich vorzugsweise zumindest einige der Rastausnehmungen 93 an Stellen entlang dem kreisringförmigen Durchgangsloch 19, die Befestigungspunkten von etwaigen konventionellen Vorgängermaschinen entsprechen. Dies erleichtert dem Benutzer den Umstieg von einer konventionellen Vorgängermaschine auf die erfindungsgemäße Umformmaschine, wenn er damit die Serienproduktion eines bestimmten Werkstücks fortsetzen möchte, das er auch schon auf der Vorgängermaschine hergestellt hat.In this context, it should also be pointed out that the
Im Zentrum der Außenwand 21 des Montagerahmenelementes 17 befindet sich eine Öffnung 94, durch die hindurch ein Mittelstempel, also etwa ein Biegedorn, ein Gesenk oder dgl. von innen her zur Außenseite der Außenwand 21 bewegbar ist, um in Sollposition an der betreffenden Umformstelle 11 zu gelangen. Auch dieser Mittelstempeltransport erfolgt vorzugsweise mit einem NC-Antriebsaggregat unter Kontrolle der Steuereinrichtung.In the center of the
Eine in den Figuren nicht dargestellte Weiterentwicklung der Halterungselemente 23 sieht vor, dass das Drehhalterungsteil 39 der Halterungseinrichtung 23 ein integriertes Untersetzungsgetriebe, vorzugsweise Zykloidgetriebe oder Gleitkeilgetriebe, aufweist, welches zur Drehmomentaufnahme eingangsseitig die Drehbetätigungswelle 75 in ihrer Dreheingriffsstellung aufnehmen kann. Ein solches Untersetzungsgetriebe ermöglicht ein besonders fein aufgelöstes Verdrehen des Drehhalterungsteils 39 und damit eines daran befestigten Umformaggregates oder Arbeitsaggregates relativ zu dem Basisteil 37.A not further shown in the figures further development of the
In
Unter Nutzung sämtlicher Freiheitsgrade solcher Halterungseinrichtungen 23 ist es möglich, mehrere solcher Halterungseinrichtungen 23 nebeneinander liegend und parallel ausgerichtet auf dem kreisringförmigen Durchgangsloch 19 so zu platzieren, dass eine Linearanordnung von Umformaggregaten anstelle der bisher erörterten Radialkonfiguration simuliert werden kann.Using all the degrees of freedom of such support means 23, it is possible to place a plurality of such support means 23 side by side and aligned in parallel on the annular through
In dem Basisteil 37 und in dem Drehhalterungsteil 39 kann jeweils eine Bohrung vorgesehen sein, mit denen ein auf die Halterungseinrichtung 23 aufgesetztes Umformaggregat 7 auf eine Maschinenmitte ausrichtbar ist, wenn die Bohrung in dem Basisteil und die Bohrung in dem Drehhalterungsteil in Fluchtung gebracht werden. Dazu kann beispielsweise ein Stift in beide Bohrungen gesteckt werden. Dies gilt auch für die in den
Weiter weist die Halterungseinrichtung 23 eine Vorspanneinrichtung für das Drehhalterungsteil 39 auf. Eine hier als Druckfederelement ausgeführte Feder 92 stützt sich an dem Basisteil 37 ab. Vorzugsweise ist das Druckfederelement 92 in einer Aussparung in dem Basisteil 37 angeordnet, wobei die Aussparung durch einen Stopfen, an dem sich das Druckfederelement 92 abstützt, verschlossen ist. Der Stopfen kann beispielsweise als Madenschraube oder eingepresster Stift oder dgl. ausgeführt sein. Das Druckfederelement 92 wirkt auf das Drehhalterungssteil 39 ein, indem das Druckfederelement 92 das Drehhalterungsteil 39 in Richtung der Adapterplatte 109 von dem Basisteil 37 wegdrückt. Bevorzugt sitzt dabei das Druckfederelement 92 auf einem Anlageelement 112 auf, das die Druckkräfte auf das Drehhalterungsteil 39 weiterleitet. Auf diese Weise werden das Basisteil 37 und das Drehhalterungsteil 39 gegeneinander vorgespannt. Vorzugsweise sind um die Drehachse 100 herum mehrere Druckfederelemente 92 mit demselben Radius in Bezug auf die Drehachse 100 angeordnet. Die in
Bei einer Verdrehung des Drehhalterungsteils 39 ist es möglich, dass die Längsachse eines Umformaggregats 7 nicht durch die Zentrumsachse 53 verläuft. Damit geht auch einher, dass die ursprüngliche Position der Klemmelemente 25 aus dem Verlauf der Kreisringnuten 29 und 31 geraten. Dies ist für das Drehhalterungsteil 39, das in der
Das Verdrehen der Winkellage des Aggregates 7 auf einer Halterungseinrichtung 23 kann auch erfolgen, wenn die Halterungseinrichtung 23 kein integriertes Untersetzungsgetriebe beinhaltet. Dazu ist es zweckmäßig, den Drehhalterungsantrieb 69 mit einem stärkeren NC-Elektromotor 71 sowie einem größeren Schneckenradgetriebe mit größerer Untersetzung auszurüsten.The rotation of the angular position of the
Alternativ zu der Führung der Laufrolle 206 an der Laufschiene 204 kann die Laufrolle 206 auch an der Befestigungsplatte 208 geführt sein.As an alternative to the guidance of the
Claims (6)
- A device for processing material, in particular a forming machine, comprising at least one material processing assembly (15) which is arranged so that it can be displaced linearly along a linear guiding (204),
wherein said material processing assembly (15) can be displaced automatically in a linear direction by means of a drive mechanism (200) which can be controlled by a machine control to position the assembly in a respective desired working position,
wherein said drive mechanism (200) comprises a threaded spindle (201) for displacing the material processing assembly (15),
and
wherein a spindle nut (214), through which the threaded spindle (201) passes, is associated to the linearly displaceable material processing assembly (15), characterized in that the spindle nut (214) can be moved by a coupling device (223) alternatively to an idle operating state and to a coupled operating state, wherein in the idle operating state the latter can be rotated with the threaded spindle (201) so that it cannot carry out a linear movement along the threaded spindle (201), whereas in the coupled operating state it is coupled to the material processing assembly (15) resistant to rotation, so that when the threaded spindle (201) is rotated, it can carry out a linear movement along the threaded spindle (201) taking with it the material processing assembly (15) along the linear guiding (204). - Device for processing material according to claim 1, characterized by the latter comprising at least two material processing assemblies (13, 15) which can be displaced linearly along the linear guiding (204) to position them in a respective desired working position, wherein a respective spindle nut (214), through which the threaded spindle (201) passes, is associated to each of the two material processing assemblies and wherein each of the spindle nuts (214) can be moved by a respective coupling device (223) alternatively to an idle operating state and to a coupled operating state, wherein in the idle operating state the latter can be rotated with the threaded spindle (201) so that it cannot carry out a linear movement along the threaded spindle (201), whereas in the coupled operating state it is coupled to the material processing assembly (15) resistant to rotation, so that when the threaded spindle (201) is rotated, it can carry out a linear movement along the threaded spindle (201) taking with it the associated material processing assembly (13, 15) along the linear guiding (204).
- Device for processing material according to claims 1 or 2, characterized by the threaded spindle (201) having a trapezoidal thread.
- Device for processing material according to one of claims 1-3, wherein the respective material processing assembly is selected out of the group of:- press (15), in particular punching machine or cutting press;- material feeder device (13);- material connection assembly, in particular a welding assembly;- bending assembly;- thread forming assembly;- screwing assembly;- drilling assembly;- laser assembly, in particular cutting laser or/and welding laser.
- Device for processing material according to one of the preceding claims, characterized by the latter being integrated in a bending machine comprising at least one bending assembly for producing bending parts made of a metallic band material, wherein it comprises a material feeding device (13) as the material processing assembly which can be displaced linearly along the linear guiding (204), for feeding metallic band material to the bending assembly.
- Device for processing material according to claim 5, comprising, as a further material processing assembly which can be displaced linearly along the linear guiding (204), a press (15), in particular a punching machine or a cutting press, for punching or cutting the metallic band material.
Priority Applications (3)
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PL14151946T PL2756893T3 (en) | 2012-03-23 | 2014-01-21 | Apparatus for processing a material, in particular a shaping machine |
EP14151946.2A EP2756893B1 (en) | 2012-03-23 | 2014-01-21 | Apparatus for processing a material, in particular a shaping machine |
HK15104104.8A HK1204233A1 (en) | 2012-03-23 | 2015-04-28 | Electronic smoking device |
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DE102012204740A DE102012204740A1 (en) | 2012-03-23 | 2012-03-23 | Forming machine, in particular bending machine |
EP13152173.4A EP2641669B1 (en) | 2012-03-23 | 2013-01-22 | Shaping machine, in particular bending machine and method for reconfigurating such a shaping machine |
DE202013002888U DE202013002888U1 (en) | 2012-03-23 | 2013-03-25 | Forming machine, in particular bending machine |
EP14151946.2A EP2756893B1 (en) | 2012-03-23 | 2014-01-21 | Apparatus for processing a material, in particular a shaping machine |
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EP2756893B1 true EP2756893B1 (en) | 2015-10-21 |
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EP13152173.4A Active EP2641669B1 (en) | 2012-03-23 | 2013-01-22 | Shaping machine, in particular bending machine and method for reconfigurating such a shaping machine |
EP14151946.2A Active EP2756893B1 (en) | 2012-03-23 | 2014-01-21 | Apparatus for processing a material, in particular a shaping machine |
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EP (2) | EP2641669B1 (en) |
DE (2) | DE102012204740A1 (en) |
ES (2) | ES2466923T3 (en) |
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CN116673369B (en) * | 2023-07-27 | 2023-10-17 | 陕西誉邦科技股份有限公司 | Aircraft fuel pipe bending equipment |
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US3052277A (en) * | 1958-07-17 | 1962-09-04 | Wirth Arno H Fa | Bending machine |
DE2229288A1 (en) | 1972-06-15 | 1974-01-03 | Bihler Kg Otto | Bending machine - for multiple printed sheet bending with automatic feed |
ES471370A1 (en) * | 1978-07-03 | 1979-02-01 | Buch Batlle Augusto | Multi-purpose bending machine |
JPS5916743U (en) * | 1982-07-19 | 1984-02-01 | 帝人製機株式会社 | Gripper type feed device of molding machine |
US5203191A (en) * | 1990-05-02 | 1993-04-20 | North America Omcg, Inc. | Versatile automatic metal strip working machine |
JPH091259A (en) * | 1995-06-14 | 1997-01-07 | Amada Mfg America Inc | Workpiece transfer device for machine tool and machine tool using said device |
JP3722888B2 (en) * | 1995-11-20 | 2005-11-30 | 株式会社アマダエンジニアリングセンター | Punching press |
DE19605647A1 (en) | 1996-02-15 | 1997-08-21 | Mathias Bihler | Processing machine |
DE20208825U1 (en) * | 2002-06-07 | 2003-10-23 | BEBECO Technologie GmbH, 79713 Bad Säckingen | Workshop tool, for bending and forming materials, has a housing frame with different lengths and work slits that are grouped in a coaxial positioning and have a second cog |
DE10351917A1 (en) * | 2003-11-07 | 2005-06-09 | Otto Bihler Handels-Beteiligungs-Gmbh | Working machine, in particular wire and / or strip bending machine |
DE202006016203U1 (en) | 2006-10-23 | 2008-03-13 | Otto Bihler Handels-Beteiligungs-Gmbh | Forming unit, in particular bending unit |
EP2161094B1 (en) * | 2008-09-05 | 2012-08-01 | DREISTERN GmbH & Co.KG | Device and method for processing, in particular welding, a profile transported lengthways through the device |
-
2012
- 2012-03-23 DE DE102012204740A patent/DE102012204740A1/en not_active Withdrawn
-
2013
- 2013-01-22 ES ES13152173.4T patent/ES2466923T3/en active Active
- 2013-01-22 EP EP13152173.4A patent/EP2641669B1/en active Active
- 2013-01-22 PL PL13152173T patent/PL2641669T3/en unknown
- 2013-03-25 DE DE202013002888U patent/DE202013002888U1/en not_active Expired - Lifetime
-
2014
- 2014-01-21 EP EP14151946.2A patent/EP2756893B1/en active Active
- 2014-01-21 PL PL14151946T patent/PL2756893T3/en unknown
- 2014-01-21 ES ES14151946.2T patent/ES2552537T3/en active Active
-
2015
- 2015-04-28 HK HK15104104.8A patent/HK1204233A1/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020133873A1 (en) | 2020-12-16 | 2022-06-23 | Battenfeld-Cincinnati Germany Gmbh | Separating device for separating extruded plastic profiles |
DE102022112814A1 (en) | 2022-05-20 | 2023-11-23 | Battenfeld-Cincinnati Germany Gmbh | Separating device for separating extruded plastic profiles |
Also Published As
Publication number | Publication date |
---|---|
PL2756893T3 (en) | 2016-04-29 |
EP2641669A1 (en) | 2013-09-25 |
DE102012204740A1 (en) | 2013-09-26 |
ES2552537T3 (en) | 2015-11-30 |
ES2466923T3 (en) | 2014-06-11 |
DE202013002888U1 (en) | 2013-04-24 |
EP2641669B1 (en) | 2014-05-14 |
PL2641669T3 (en) | 2014-11-28 |
HK1204233A1 (en) | 2015-11-13 |
EP2756893A1 (en) | 2014-07-23 |
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