BENDING INSTALLATION AND MANIPULATOR WITH ROTATABLE GRIPPER ARRANGEMENT
20240091843 ยท 2024-03-21
Assignee
Inventors
- Gerhard ANGERER (Altenberg, AT)
- Michael SCHERNHAMMER (Leonding, AT)
- Florian HAUSMANN (Traun, AT)
- Florian MAIER (Leonding, AT)
- Matthias Hoerl (Linz, AT)
- Helmut THEIS (Pfarrkirchen, AT)
- Nenad KOVJENIC (Linz, AT)
- Verena STEININGER (Linz, AT)
- Klemens FREUDENTHALER (Linz, AT)
- Richard EDLBAUER (Liebenau, AT)
- Walter KEPLINGER (Helfenberg, AT)
- Gerhard GUGLER (Hofkirchen im Muehlkreis, AT)
- Alois AUSTALLER (Roitham, AT)
Cpc classification
B21D43/105
PERFORMING OPERATIONS; TRANSPORTING
B21D5/02
PERFORMING OPERATIONS; TRANSPORTING
B25J9/0027
PERFORMING OPERATIONS; TRANSPORTING
B25J15/04
PERFORMING OPERATIONS; TRANSPORTING
B25J15/06
PERFORMING OPERATIONS; TRANSPORTING
International classification
B21D5/02
PERFORMING OPERATIONS; TRANSPORTING
B25J15/06
PERFORMING OPERATIONS; TRANSPORTING
Abstract
A manipulator for components, in particular sheet metal parts, includes a base body mountable stationarily or movable along a guide arrangement, a first pivot arm pivotally coupled to the base body via a horizontal first pivot axis, a second pivot arm pivotally coupled to the first pivot arm via a horizontal second pivot axis and a third pivot arm pivotally coupled to the second pivot arm via a horizontal third pivot axis. A first axis of rotation extending radially to the third pivot axis is formed on the third pivot arm. A gripper support arm is rotatably coupled to the third pivot arm via the first axis of rotation and extends radially to the first axis of rotation. A gripping arrangement is rotatably coupled to the gripper support arm via a second axis of rotation spaced from the first axis of rotation. A bending installation includes the manipulator.
Claims
1. A manipulator (1) for components (2), in particular for sheet metal parts, wherein the manipulator (1) is configured to pick up, transport, hold and set down a component (2), comprising: a base body (4), which can be mounted in a stationary manner or moved along a guide arrangement (3); a first pivot arm (6) pivotally coupled to the base body (4) via a horizontal first pivot axis (5); a second pivot arm (8) pivotally coupled to the first pivot arm (6) via a horizontal second pivot axis (7); and a third pivot arm (10) pivotally coupled to the second pivot arm (6) via a horizontal third pivot axis (9); wherein a first axis of rotation (11) extending radially to the third pivot axis (9) is formed on the third pivot arm (10) wherein a gripper support arm (12) rotatably coupled to the third pivot arm (10) via the first axis of rotation (11) is formed, wherein the gripper support arm (12) extends radially with respect to the first axis of rotation (11), and wherein a gripping arrangement (13) is rotatably coupled to the gripper support arm (12) via a second axis of rotation (14), which is spaced apart from the first axis of rotation (11).
2. The manipulator (1) according to claim 1, wherein the first axis of rotation (11) and the second axis of rotation (14) are formed parallel to one another.
3. The manipulator (1) according to claim 1, wherein the gripping arrangement (13) comprises a base element (15) rotatably mounted on the gripper support arm (12) and a gripper element (16), which can be coupled to the base element (15) as required and which can in particular be changed without any tools.
4. The manipulator (1) according to claim 3, wherein the gripper element (16) comprises a pincer gripper and/or a magnetic gripper.
5. The manipulator (1) according to claim 3, wherein the gripper element (16) comprises a negative-pressure gripper (17) and wherein at least one negative-pressure gripper element (18) is formed on the negative-pressure gripper (17).
6. The manipulator (1) according to claim 5, wherein a vacuum line (19) is formed, which is formed as a rotary union in the transition portion (20) between the third pivot arm (10) and the gripper support arm (12) and/or in the transition portion (20) between the gripper support arm (12) and the gripping arrangement (13).
7. The manipulator (1) according to claim 1, wherein the gripper support arm (12) is rotatably coupled to the third pivot arm (10) and by means of a first pivot bearing (21) via a coupling (22), which can be activated and deactivated as required.
8. The manipulator (1) according to claim 1, wherein the gripping arrangement (13) is rotatably coupled to the gripper support arm (12) by means of a second pivot bearing (23).
9. The manipulator (1) according to claim 1, wherein a torque support (24) is arranged in a rotationally fixed manner on the third pivot arm (10), preferably a releasably configured torque support (24) is formed.
10. The manipulator (1) according to claim 1, wherein a toothed belt transmission (25) is formed, said toothed belt transmission (25) comprising a first gear (26), which is rotationally fixed relative to the first axis of rotation (11) and comprising a second gear (27), which is rotatable about the second axis of rotation (14), and said toothed belt transmission (25) comprising a belt (28), which couples the first gear (26) and the second gear (27) in terms of movement.
11. The manipulator (1) according to claim 10, wherein the first gear (26) has a larger diameter than the second gear (27).
12. The manipulator (1) according to claim 1, wherein a first rotary drive is configured to rotate the gripper support arm (12) about the first axis of rotation (11), and wherein a second rotary drive (42), which acts independently of the first rotary drive, is configured to rotate the gripping arrangement (13) about the second axis of rotation (14).
13. The manipulator (1) according to claim 12, wherein the second rotary drive (42) is configured as an electromotive actuator, preferably as a stepping motor, or wherein the second rotary drive (42) is configured as a pneumatic actuator, and wherein the second rotary drive (42) is fastened to the gripper support arm (12).
14. The manipulator (1) according to claim 12, wherein the second rotary drive (42) is configured to rotate the gripping arrangement (13) between a first end stop (43) and a second end stop (44), a rotational movement being possible, preferably a rotational movement by up to 180?, to be carried out between the first end stop (43) and the second end stop (44).
15. The manipulator according to claim 1, wherein a spur gear transmission is formed, said spur gear transmission comprising a first spur gear, which is rotatable about the first axis of rotation (11) and comprising a second spur gear, which is rotatable about the second axis of rotation (14), wherein the first and the second spur gears interact directly or indirectly in a movement-coupled manner.
16. The manipulator (1) according to claim 1, wherein a maximum height (29) of the projecting portion of the gripper support arm (12), including the gripping arrangement (13) held on the gripper support arm (12), is less than a structural height (30) of a lower tool (31) relative to a bending table (32) of a bending machine (33), in particular is a maximum of 150 mm, preferably is a maximum of 100 mm.
17. The manipulator (1) according to claim 1, wherein the gripper support arm (12) comprises a first support arm portion (34) and a second support arm portion (35), the first support arm section (34) and the second support arm section (35) being arranged offset to one another in the direction of the first axis of rotation (11) or second axis of rotation (14).
18. The manipulator (1) according to claim 1, wherein a support arm length (36) of the gripper support arm (12), said support arm length (36) extending between the first axis of rotation (11) and the second axis of rotation (14), is shorter than a length of the first, second and/or third pivot arm (6, 8, 10).
19. The manipulator (1) according to claim 3, wherein the base element (15) comprises at least two gripper-element support arms (45) having a respective first end portion (46) and a respective second end portion (47), said gripper-element support arms (45) being radially spaced apart from the second axis of rotation (14), and said gripper-element support arms (45) being adjustably guided at their first end portion (46) in preferably arcuate guide portions (48) in the base element (15) of the gripping arrangement (13) and being releasably fixed, and said gripper-element support arms (45) having a gripper element (16) at their second end section (47).
20. The manipulator (1) according to claim 19, wherein the at least two gripper-element support arms (45), preferably in the region of their respective first end portion (46), comprise a fixing means (49), said fixing means (49) being configured to releasably fix the at least two gripper-element support arms (45) relative to the base element (15).
21. The manipulator (1) according to claim 5, wherein a vacuum line (19) of the at least one negative-pressure gripper element (18) is formed with a fluidic shut-off element (50).
22. The manipulator (1) according to claim 1, wherein, with respect to its pivot axes, it exclusively comprises said horizontal first pivot axis (5), said horizontal second pivot axis (7), said horizontal third pivot axis (9), said first axis of rotation (11) and said second axis of rotation (14).
23. A bending installation (37) comprising a bending machine (33), at least one manipulator (1), a guide arrangement (3) with a guide axis (38), the at least one manipulator (1) being movable along said guide axis (38), or a fixed anchoring for the at least one manipulator (1), and an installation control, which is configured to predefine movements and/or movement sequences of the at least one manipulator (1), wherein the at least one manipulator (1) is formed according to claim 1.
24. The bending installation (37) according to claim 23, wherein the bending machine (33) comprises a bending table (32) and a press beam (39), which can be adjusted relative to the bending table (32), and at least one lower tool (31) is positioned within outer boundary edges (41) of the bending table (32), a component support plane (40) for the vertical support of at least one component to be machined being formed on said lower tool (31).
Description
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[0050] It is worth noting here that the same parts have been given the same reference numerals or same component configurations in the embodiments described differently, yet the disclosures contained throughout the entire description can be applied analogously to the same parts with the same reference numerals or the same component configurations. The indications of position selected in the description, such as above, below, on the side etc. refer to the figure directly described and shown, and these indications of position can be applied in the same way to the new position should the position change.
[0051]
[0052] As shown, the bending machine 33 can comprise a bending table 32 and a press beam 39, which is adjustable relative to the bending table 32. Within the outer boundary edges 41 of the bending table 32, at least one lower tool 31 can be positioned in relation to the plan view according to the following
[0053] The manipulator 1 according to the invention is configured to pick up, transport, hold and/or set down components 2, in particular sheet metal parts. A base body 4 of the manipulator 1 is configured to be movable along the guide arrangement 3. The manipulator 1 comprises a first pivot arm 6 pivotally coupled to the base body 4 via a horizontal first pivot axis 5, a second pivot arm 8 pivotally coupled to the first pivot arm 6 via a horizontal second pivot axis 7, and a third pivot arm 10 pivotally coupled to the second pivot arm 6 via a horizontal third pivot axis 9. A first axis of rotation 11 extending radially to the third pivot axis 9 is formed on the third pivot arm 10. A gripper support arm 12 rotatably coupled to the third pivot arm 10 is formed via the first axis of rotation 11. In this case, the gripper support arm 12 extends radially in relation to the first axis of rotation 11. Furthermore, a gripping arrangement 13 is formed, which is rotatably coupled to the gripper support arm 12 via a second axis of rotation 14, which is spaced apart from the first axis of rotation 11.
[0054]
[0055]
[0056] The manipulator 1 according to the invention schematically depicted in
[0057] The first axis of rotation 11 and the second axis of rotation 14 may be formed parallel to one another. Furthermore, as shown, the gripping arrangement 13 can be provided to comprise a base element 15 rotatably mounted on the gripper support arm 12 and a gripper element 16, which can be coupled to the base element 15 as required and which can in particular be changed without any tools. The gripper element 16 can be, for example, a pincer gripper, a magnetic gripper and/or a negative-pressure gripper 17.
[0058] The gripper support arm 12 can be rotatably coupled to the third pivot arm 10 and by means of a first pivot bearing 21 via a coupling 22, which can be activated and deactivated as re-quired. The gripping arrangement 13 can be rotatably coupled to the gripper support arm 12 by means of a second pivot bearing 23.
[0059] It is also shown that a toothed belt transmission 25 can be formed, which produces a move-ment-coupling connection between the gripper support arm 12 and the gripping arrangement 13. A first gear 26, which is rotatable about the first axis of rotation 11, and a second gear 27, which is rotatable about the second axis of rotation 14 are depicted. In addition, a belt 28 that couples the first gear 26 and the second gear 27 in terms of movement can be formed. It should be noted that this toothed belt transmission 25 shown in simplified form in
[0060] Alternatively, a spur gear (not shown in the figure) can also be formed, which can be config-ured to adjust the angular position of the gripping arrangement 13. A generic spur gear trans-mission can comprise a first spur gear, which is rotatable about the first axis of rotation 11 and comprise a second spur gear which is rotatable about the second axis of rotation 14, wherein the first and the second spur gear interact directly or indirectly in a movement-cou-pled manner.
[0061] A maximum height 29 of the gripper support arm 12, including the gripping arrangement 13 held on the gripper support arm 12, can be smaller than a structural height 30 of a lower tool 31 relative to a bending table 32 of a bending machine 33. In particular, the greatest height 29 can be a maximum of 150 mm, preferably a maximum of 100 mm. The structural height 30 of the lower tool 31 relative to the bending table 32 of a bending machine 33 is shown in
[0062] The gripper support arm 12 can comprise a first support arm portion 34 and a second support arm portion 35, wherein the first support arm portion 34 and the second support arm portion can be arranged offset relative to one another in the direction of the first axis of rotation 11 or second axis of rotation 14. Advantageously, as shown in
[0063] The two
[0064] The manipulator 1 according to the invention shown in
[0065] The manipulator 1 shown, as well as the bending table 32 shown with a lower tool 31 mounted thereon, are components of a bending machine 33, which in turn is part of a bending installation 37. The bending installation 37 can also comprise a guide arrangement 3 (shown in
[0066] As shown, the bending machine 33 can comprise a bending table 32 and a press beam 39, which is adjustable relative to the bending table 32. The press beam 39 is shown, for example, in
[0067] A maximum height 29 of the gripper support arm 12, including the gripping arrangement 13 held on the gripper support arm 12, can be smaller than a structural height 30 of a lower tool 31 relative to a bending table 32 of a bending machine 33. In particular, the greatest height 29 can be a maximum of 150 mm, preferably a maximum of 100 mm.
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[0069] As shown, the bending machine 33 can comprise a bending table 32 and a press beam 39, which is adjustable relative to the bending table 32. The press beam 39 is shown, for example, in
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[0072] Furthermore,
[0073] The at least two gripper element support arms 45 can, preferably in the region of their respective first end portion 46, comprise fixing means 49, said fixing means being configured to releasably fix the at least two gripper element support arms 45 relative to the base element 15. This fixing means 49 is shown as an example in
[0074] A vacuum line 19 of the at least one negative-pressure gripper element 18 can be formed with a fluidic shut-off element 50, for example with a shut-off valve. As shown in
[0075] With respect to its pivot axes, the manipulator 1 can exclusively comprise said horizontal first pivot axis 5, said horizontal second pivot axis 7, said horizontal third pivot axis 9, said first axis of rotation 11 and said second axis of rotation 14. This can of course be equally advantageous for all of the exemplary embodiments shown in the figures.
[0076] The embodiments show possible configuration variants, however it is noted at this point that the invention is not restricted to the configuration variants of the same specifically shown, ra-ther various combinations between the individual configuration variants are possible and these possible variants can be developed using the knowledge of the person skilled in the art working in this field based on the teachings of technical practice offered by the current invention.
[0077] The scope of protection is determined by the claims. However, the description and the draw-ings are to be referenced for the interpretation of the claims. Individual features or combinations of features from the various exemplary embodiments shown and described can represent independent inventive solutions in themselves. The problem to be solved, upon which the independent, inventive solutions are based, can be derived from the description.
[0078] All value ranges specified in the current description are to be understood such that they in-clude any and all sub-ranges e.g. the specification 1 to 10 is to be understood such that all sub-ranges, starting from the lower limit 1 and the upper limit 10 are included i.e. all sub-ranges begin with a lower limit of 1 or more and end at an upper limit of 10 or less e.g. 1 to 1.7, or 3.2 to 8.1 or 5.5 to 10.
[0079] As a matter of form and by way of conclusion, it is noted that, to improve understanding of the structure, elements have partially not been shown to scale and/or enlarged and/or shrunk.
TABLE-US-00001 List of reference numerals 1 Manipulator 2 Component 3 Guide arrangement 4 Base body 5 First pivot axis 6 First swivel arm 7 Second pivot axis 8 second swivel arm 9 Third pivot axis 10 Third swivel arm 11 First axis of rotation 12 Gripper support arm 13 Gripping arrangement 14 Second axis of rotation 15 Base element 16 Gripper element 17 Negative-pressure gripper 18 Negative-pressure gripper element 19 Vacuum line 20 20 transition portion 21 First pivot bearing 22 Coupling 23 Second pivot bearing 24 Torque support 25 toothed belt transmission 26 First gear 27 Second gear 28 Belt 29 Height 30 Structural height 31 Lower tool 32 Bending table 33 Bending machine 34 First support arm portion 35 Second support arm portion 36 Support arm length 37 Bending installation 38 Guide axis 39 Press beam 40 Component support level 41 Boundary edge 42 Second rotary drive 43 First end stop 44 Second end stop 45 Gripper element support arm 46 First end portion 47 Second end portion 48 Guide portion 49 Fixing means 50 Shut-off element 51 Scale