EP4243999A1 - Werkstückmanipulationsvorrichtung für eine schwenkbiegemaschine - Google Patents
Werkstückmanipulationsvorrichtung für eine schwenkbiegemaschineInfo
- Publication number
- EP4243999A1 EP4243999A1 EP21823724.6A EP21823724A EP4243999A1 EP 4243999 A1 EP4243999 A1 EP 4243999A1 EP 21823724 A EP21823724 A EP 21823724A EP 4243999 A1 EP4243999 A1 EP 4243999A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- manipulation device
- manipulation
- axis
- workpiece
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005452 bending Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
- B21D5/042—With a rotational movement of the bending blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
-
- 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
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
-
- 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
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
Definitions
- the invention relates to a workpiece manipulation device and a machining system equipped with the workpiece manipulation device.
- the object of the present invention was to overcome the disadvantages of the prior art and to provide a device by means of which the workpiece can be positioned with increased accuracy.
- the invention relates to a workpiece manipulation device for a folding machine, the workpiece manipulation device comprising:
- a manipulation device carrier which is arranged by means of a manipulation device carrier guide in a Y-axis relative to the base frame displaceable on this;
- a manipulation arm which is arranged by means of a manipulation arm guide in a Z-axis relative to the manipulation device carrier displaceable on this;
- a first rotary stamp which is arranged on the manipulation arm, the first rotary stamp being rotatable about an axis of rotation parallel to the Z axis;
- the manipulation device carrier is L-shaped and has a first leg extending along a Y-axis and a second leg has, which extends along the Z-axis, wherein the manipulation arm guide is formed on the second leg and wherein a distance between the manipulation arm guide and the axis of rotation of the first rotary punch is greater than 1000mm.
- the workpiece manipulation device has the advantage that with a simple construction of the workpiece manipulation device, high positioning accuracy of the workpiece can be achieved at the same time.
- the distance between the manipulation arm guide and the axis of rotation of the first rotary stamp is between 130% and 70%, in particular between 120% and 80%, preferably between 110% and 90%, of a length of the first leg.
- such a size ratio has the surprising advantage that an extremely high positioning accuracy of the workpiece manipulation device can be achieved.
- the distance between the manipulation arm guide and the axis of rotation of the first rotary punch is between 1000 mm and 3000 mm, in particular between 1100 mm and 2500 mm, preferably between 1300 mm and 2000 mm.
- such a size ratio has the surprising advantage that an extremely high positioning accuracy of the workpiece manipulation device can be achieved.
- the manipulation device carrier has a first cheek and a second cheek which are L-shaped, the first cheek and the second cheek being arranged at a distance from one another and being coupled to one another by means of webs.
- such a design of the manipulation device carrier has a high torsional rigidity with the lowest possible weight, in order to achieve good positioning accuracy of the workpiece manipulation device.
- a further manipulation device carrier is formed, which is arranged on the base frame by means of a further manipulation device carrier guide so that it can be displaced in a Y-axis relative to the latter, the further manipulation device carrier having several manipulation devices onsinte comprises, which are spaced apart in an X-axis, wherein the manipulation elements in the Z-axis relative to the further manipulation device carrier are displaceable.
- a first guide rail and a second guide rail to be arranged on the second leg of the manipulation device carrier, with the manipulation arm guide comprising a first guide carriage and a second guide carriage, which are guided in the first guide rail, and with the manipulation arm guide having a third guide carriage and comprises a fourth guide carriage, which is guided in the second guide rail.
- a rotary motor for turning the first rotary stamp is formed on the manipulation device carrier.
- the orientation of the workpiece can be changed by this measure.
- the inertia of the workpiece manipulation device can be kept as low as possible by arranging the rotary motor on the manipulation device carrier or in cooperation with the first rotary ram.
- a processing system for bending workpieces includes:
- the workpiece manipulation device is designed according to one of the preceding claims.
- the processing system according to the invention has the advantage that a high degree of positioning accuracy of the workpiece can be achieved.
- the manipulation arm has a clearance in the area of the first rotary die, which corresponds to the swivel bending machine. This has the advantage that the first rotary punch can be moved as close as possible to the folding machine, which makes it possible to process very small workpieces. As a result of the exemption, the manipulation arm can have sufficient stability in those areas where this is required.
- the folding machine it is possible for the folding machine to have a lower machine table, with the base frame being coupled to the lower machine table at a first longitudinal end, and with the base frame having a support leg for supporting it on the floor in a region that is at a distance from the first longitudinal end.
- a fastening of the workpiece manipulation device to the folding machine results in surprising positioning accuracy.
- this measure can be used to ensure that the bending process of the swivel bending machine and the associated application of force or deformation of the swivel bending machine do not lead to an increase in the positioning inaccuracy of the workpiece.
- FIG. 1 shows a first exemplary embodiment of a processing system in a perspective view
- FIG. 2 shows the first exemplary embodiment of the processing system in a side view
- FIG. 3 shows the first exemplary embodiment of the processing system in a further perspective view.
- the same parts are provided with the same reference numbers or the same component designations, it being possible for the disclosures contained throughout the description to be applied to the same parts with the same reference numbers or the same component designations.
- the position information selected in the description is related to the directly described and illustrated figure and these position information are to be transferred to the new position in the event of a change in position.
- the processing system 1 can include a swivel bending machine 2.
- FIG. 1 The machining system 1 can also include a workpiece manipulation device 3, which is used to manipulate a workpiece 4 to be machined.
- the folding machine 2 can include a lower machine table 5 and an upper machine table 6 . Swivel bending tools can be clamped in the machine tables 5, 6, in particular in tool holders which are formed in the machine tables.
- the workpiece manipulation device 3 comprises a base frame 7.
- the base frame 7 is coupled to the lower machine table 5 at a first longitudinal end 8 .
- a coupling flange 9 is formed, with the coupling flange 9 being coupled to the lower machine table 5 by means of fastening means 10, such as screws.
- a support leg 11 can also be made for a support leg 11 to be formed on a region of the base frame 7 that is at a distance from the first longitudinal end 8, by means of which the base frame 7 can be supported on the underground, in particular on the hall floor.
- the workpiece manipulation device 3 can comprise a manipulation device carrier 12 .
- the manipulation device carrier 12 can be displaced in a Y-axis 14 relative to the base frame 7 by means of a manipulation device carrier guide 13 this be arranged.
- the workpiece manipulation device 3 can include a manipulation arm 15 , the manipulation arm 15 can be arranged on the manipulation device carrier 12 by means of a manipulation arm guide 16 such that it can be displaced in a Z axis 17 relative to the latter.
- a first rotary stamp 19 can be formed, which is arranged on the manipulation arm 15 .
- the first rotary stamp 19 can be arranged on the manipulation arm 15 so as to be rotatable about an axis of rotation 20 .
- the axis of rotation 20 can be designed to lie parallel to the Z axis 17 .
- a second rotary stamp 21 can be formed, which can be arranged on the manipulation device carrier 12 .
- the second rotary stamp 21 can likewise be arranged such that it can rotate about the axis of rotation 20 .
- the axis of rotation 20 can be arranged at a distance 24 from the manipulation arm guide 16 .
- the first rotary punch 19 and the second rotary punch 21 can interact in such a way that a workpiece 4 can be clamped between the first rotary punch 19 and the second rotary punch 21 .
- the workpiece 4 clamped between these two rotary punches 19, 21 can be rotated or aligned by a rotational movement of the two rotary punches 19, 21.
- the ram between the rotary 19, 21 clamped workpiece 4 along the Y-axis 14 can be moved by the displacement of the manipulation device carrier 12 along the Y-axis.
- the manipulation device carrier 12 can be L-shaped.
- the manipulation device carrier 12 can have a first leg 22 which can extend along the Y-axis 14 and a second leg 23 which can extend along the Z-axis 17 .
- the first leg 22 and the second leg 23 are arranged at right angles to one another.
- the manipulation device carrier 12 has a first cheek 25 and a second cheek 26 .
- the first cheek 25 and the second cheek 26 can be structurally identical and each have the L-shaped form.
- Manipulation elements 31 can be arranged on the further manipulation device carrier 29 , which can serve to accommodate the workpiece 4 .
- the manipulation elements 31 are designed to be electromagnetic, with the workpiece 4 being able to be fixed electromagnetically by means of the manipulation elements 31 .
- the manipulation elements 31 have suction elements, in which case the workpiece 4 can be fixed to the manipulation elements 31 by applying negative pressure.
- the manipulation elements 31 are arranged below the workpiece 4 and the workpiece 4 lies flat on the manipulation elements 31 .
- the manipulation device carrier guide 13 has at least one guide rail 32, in which at least one guide carriage 33 is guided.
- the guide rail 32 is arranged on the base frame 7 .
- an adjusting drive 34 is formed, which is used to position the manipulation device carrier 12 along the Y-axis 14 .
- the adjustment drive 34 can have a drive motor 35 .
- the drive motor 35 can, for example, be coupled to an adjusting spindle, such as a ball screw.
- the additional manipulation device carrier 29 is coupled to an additional adjustment drive 36 by means of which it can be adjusted along the Y-axis 14 .
- FIG. 2 shows a side view of the first exemplary embodiment of the machining system 1, the same reference numerals or component designations as in the preceding FIG. 1 being used again for the same parts. In order to avoid unnecessary repetitions, reference is made to the detailed description in the preceding FIG.
- a clearance 37 to be formed on the manipulation arm 15 .
- the clearance 37 is configured in such a way that it corresponds to the upper machine table 6 and/or to the tool clamped therein, so that the manipulation arm 15 can be moved as far as possible to the upper machine table 6 in order to keep the distance between the axis of rotation 20 and a To achieve bending edge 38. This measure allows the smallest possible workpieces 4 to be processed on the processing system 1 .
- a rotary motor 39 is provided, which serves to actively rotate the second rotary die 21 .
- the workpiece 4 can be clamped between the first rotary punch 19 and the second rotary punch 21 . If the workpiece 4 clamped between the first rotary punch 19 and the second rotary punch 21 is rotated, the first rotary punch 19 can also be rotated by frictional engagement with the workpiece 4 or be dragged along by it. Due to the coaxial arrangement of the first rotary punch 19 and the second rotary punch 21 a joint rotation of the first rotary die 19 and the second rotary die 21 can be made possible. The first rotary die 19 therefore does not require its own rotary motor in order to be rotated with respect to the axis of rotation 20 .
- the axis of rotation 20 can be arranged at a distance 24 from the manipulation arm guide 16 .
- the middle of a guide rail is considered as a relevant reference point for the manipulation arm guide 16 .
- the manipulation device carrier 12 and the further manipulation device carrier 29 can be displaced individually and independently of one another along the Y axis 14 .
- the rotary die 19, 21 or the manipulation element 31 can move the workpiece 4 independently of one another.
- the workpiece 4 can be transferred between the rotary punches 19, 21 and the manipulation element 31 by this measure.
- the workpiece 4 can be rotated as desired in the machining system 1 and positioned along the Y-axis 14 in order to carry out a bending process.
- the first leg 22 of the manipulation device carrier 12 has a length 46 .
- the length 46 of the first leg 22 of the manipulation device carrier 12 is measured starting from a side of the second leg 23 facing the bending machine 2 .
- FIG. 3 shows the processing system 1 in a further perspective view, with the same reference numerals or component designations as in the preceding FIGS. 1 and 2 being used again for the same parts. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding FIGS.
- the manipulation arm guide 16 has a first guide rail 40 and a second guide rail 41 .
- the first guide rail 40 and the second guide rail 41 are arranged on the second leg 23 of the manipulation device carrier 12 .
- a first guide carriage 42 and a second guide carriage 43 are formed, which are guided in the first guide rail 40 .
- the first guide carriage 42 and the second guide carriage 43 are arranged at a distance from one another in the direction of the Z axis 17 on the manipulation arm 15 .
- a third guide carriage 44 and a fourth guide s carriage 45 are formed, which are in operative connection with the second guide rail 41 and which are also coupled to the manipulation arm 15.
- All information on value ranges in the present description is to be understood in such a way that it also includes any and all sub-ranges, e.g. the information 1 to 10 is to be understood in such a way that all sub-ranges, starting from the lower limit 1 and the upper limit 10, are also included , i.e. all subranges start with a lower limit of 1 or greater and end with an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50994/2020A AT524469A1 (de) | 2020-11-16 | 2020-11-16 | Werkstückmanipulationsvorrichtung für eine Schwenkbiegemaschine |
PCT/AT2021/060432 WO2022099345A1 (de) | 2020-11-16 | 2021-11-15 | Werkstückmanipulationsvorrichtung für eine schwenkbiegemaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4243999A1 true EP4243999A1 (de) | 2023-09-20 |
EP4243999B1 EP4243999B1 (de) | 2024-10-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
US20230398592A1 (en) | 2023-12-14 |
JP7554930B2 (ja) | 2024-09-20 |
CN116490300A (zh) | 2023-07-25 |
WO2022099345A1 (de) | 2022-05-19 |
JP2023550076A (ja) | 2023-11-30 |
AT524469A1 (de) | 2022-06-15 |
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