IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0714594
(2010-03-01)
|
등록번호 |
US-8297139
(2012-10-30)
|
우선권정보 |
EP-09154146 (2009-03-02) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
▼
A device for precisely manipulating objects by means of multidimensional tooling movement cycles, comprising a revolving shaft assembly, a barrel shaped main cam connected in a slidable but rotationally locked manner with the revolving shaft assembly, a fixed main cam follower configured to engage t
A device for precisely manipulating objects by means of multidimensional tooling movement cycles, comprising a revolving shaft assembly, a barrel shaped main cam connected in a slidable but rotationally locked manner with the revolving shaft assembly, a fixed main cam follower configured to engage the main cam such that the main cam performs a cyclic main translational movement in the direction of a shaft rotation axis, a plate shaped secondary cam rigidly connected to the main cam, a tooling holder having a main slide slidable in the direction of the shaft rotation axis and a secondary slide slidable with respect to the main slide in a transversal direction to the shaft rotation axis, wherein the main slide is connected to the main cam and a secondary cam follower is connected to the secondary slide.
대표청구항
▼
1. Device for precisely manipulating objects by means of multidimensional tooling movement cycles, comprising: a support structure and a revolving shaft assembly supported by the support structure such that the revolving shaft assembly can rotate around a shaft rotation axis,drive means connected to
1. Device for precisely manipulating objects by means of multidimensional tooling movement cycles, comprising: a support structure and a revolving shaft assembly supported by the support structure such that the revolving shaft assembly can rotate around a shaft rotation axis,drive means connected to the support structure and configured to co-operate with the revolving shaft assembly to rotate the revolving shaft assembly around the shaft rotation axis,a barrel shaped main cam connected in a slidable but rotationally locked manner with the revolving shaft assembly such that the main cam can slide along the revolving shaft assembly in the direction of the shaft rotation axis and rotates together with the revolving shaft assembly around the shaft rotation axis, wherein the main cam comprises a main cam profile extending around the shaft rotation axis and defining a main stroke in the direction of the shaft rotation axis,a fixed main cam follower connected to the support structure and configured to engage the main cam profile of the main cam such that, in response to a rotation of the revolving shaft assembly around the shaft rotation axis, the main cam performs a cyclic main translational movement in the direction of the shaft rotation axis,a plate shaped secondary cam rigidly connected to the main cam such that the secondary cam rotates and translates together with the main cam, said secondary cam comprising a secondary cam profile extending around the shaft rotation axis and defining a secondary stroke in a transversal direction to the shaft rotation axis,a tooling holder having a main slide supported by the support structure in a slidable and guided manner such that the main slide can move in the direction of the shaft rotation axis and a secondary slide including a tooling fixation portion and being connected to the main slide in a slidable and guided manner such that the secondary slide can move with respect to the main slide in a transversal direction to the shaft rotation axis, wherein the main slide is connected to the main cam integrally in translation along shaft rotation axis and rotatably around said shaft rotation axis such that said main slide moves together with the main cam in the direction of the shaft rotation axis while the main cam can freely rotate with respect to the main slide around the shaft rotation axis,a secondary cam follower connected to the secondary slide and configured to engage the secondary cam profile of the secondary cam in such a way that, in response to the rotation of the revolving shaft assembly around the shaft rotation axis, the secondary slide performs a cyclic secondary translational movement in the transversal direction to the shaft rotation axis synchronized with said main cyclic translational movement. 2. Device according to claim 1, in which said revolving shaft assembly comprises a plurality of parallel single rods extending along shaft rotation axis and spaced apart from one another transversely to shaft rotation axis, said rods having a substantially circular cross-section and being slidably received, with interposition of sliding bearings, by corresponding circular passage openings formed in said main cam. 3. Device according to claim 1, in which said drive means comprises a motor and a transmission for transmitting the rotational movement of a motor output shaft to the revolving shaft assembly. 4. Device according to claim 3, in which said transmission comprises a timing belt connected with a toothed gearing interposed between the motor output shaft and the revolving shaft assembly. 5. Device according to claim 1, in which said barrel shaped main cam comprises an external circumferential cam surface which extends around the revolving shaft assembly and which forms said main cam profile, wherein said main cam surface is hardened in at least the zones intended to get into contact with the fixed main cam follower. 6. Device according to claim 1, in which said secondary cam comprises an external circumferential cam surface which extends around the revolving shaft assembly and forms the secondary cam profile, wherein said secondary cam surface is hardened in at least the zones intended to get into contact with the secondary cam follower. 7. Device according to claim 1, in which said secondary cam is separately fabricated and rigidly detachably connected to the main cam. 8. Device according to claim 1, in which said secondary cam profile and said main cam profile are integrally formed in one or more common cam surfaces. 9. Device according to claim 1, in which the fixed main cam follower and the secondary cam follower comprise roller elements adapted to rollably engage the main and secondary cam profiles. 10. Device according to claim 1, comprising a cam coupling device having: a cam connecting portion rigidly and detachably connectable to the main cam,a slide connecting portion rigidly and detachably connectable to the main slide,a ring bearing interposed between cam connecting portion and slide connecting portion to enable them to rotate relative to one another around shaft rotation axis,a locking means configured to prevent relative translational movements of cam connecting portion and slide connecting portion in the direction of shaft rotation axis. 11. Device according to claim 1, comprising: a main sliding guide comprising at least two guide rails rigidly connected to the support structure and extending in a direction parallel to shaft rotation axis and at least two guide members rigidly connected to the main slide and slidably or rollably shape coupled with guide rails such that the main slide can only translate in the direction parallel to shaft rotation axis, while other translational and rotational movements of main slide are impeded. 12. Device according to claim 1, comprising a main elastic element acting between said support structure and said main cam, so that the main cam profile is continuously elastically biased in contact with the fixed main cam follower. 13. Device according to claim 1, comprising a secondary sliding guide comprising at least two guide rails rigidly connected to the main slide and extending in the transverse direction to shaft rotation axis and at least two guide members rigidly connected to the secondary slide and slidably or rollably shape coupled with guide rails such that the secondary slide can only translate in the transverse direction to shaft rotation axis, while other translational and rotational movements of secondary slide with respect to main slide are impeded. 14. Device according to claim 1, comprising a secondary elastic element acting between support structure and secondary slide, so that the secondary cam follower is continuously elastically biased in contact with the secondary cam profile. 15. Device according to claim 1, further comprising: an additional barrel shaped main cam connected in a slidable but rotationally locked manner with the revolving shaft assembly such that the additional main cam can slide along the revolving shaft assembly in the direction of the shaft rotation axis and rotates together with the revolving shaft assembly around the shaft rotation axis, wherein the additional main cam comprises an additional main cam profile extending around the revolving shaft assembly and defining an additional stroke in the direction of the shaft rotation axis,an additional fixed main cam follower connected to the support structure and configured to engage the additional main cam profile of the additional main cam in such a way that, in response to a rotation of the revolving shaft assembly around the shaft rotation axis, the additional main cam performs an additional cyclic main translational movement in the direction of the shaft rotation axis,an additional plate shaped secondary cam rigidly connected to the additional main cam in a manner that the additional secondary cam rotates and translates together with the additional main cam, wherein the additional secondary cam comprises an additional secondary cam profile extending around the revolving shaft assembly and defining an additional stroke in an additional transversal direction to the shaft rotation axis,an additional tooling holder comprising an additional main slide supported by the support structure in a manner that the additional main slide can move in the direction of the shaft rotation axis and an additional secondary slide having an additional tooling fixation portion and being connected to the additional main slide in a manner that the additional secondary slide can move with respect to the additional main slide in the additional transversal direction to the shaft rotation axis, wherein the additional main slide is connected to the additional main cam in a manner that the additional main slide moves together with the additional main cam in the direction of the shaft rotation axis and the additional main cam can rotate with respect to the additional main slide around the shaft rotation axis,an additional secondary cam follower connected to the additional secondary slide and configured to engage the additional secondary cam profile of the additional secondary cam in such a way that, in response to the rotation of the revolving shaft assembly around the shaft rotation axis, the additional secondary slide performs an additional cyclic secondary translational movement in the additional transversal direction to the shaft rotation axis synchronized with said additional cyclic main translational movement and with said main and secondary cyclic movements. 16. Device according to claim 1, further comprising: an additional barrel shaped main cam connected in a slidable but rotationally locked manner with the revolving shaft assembly such that the additional main cam can slide along the revolving shaft assembly in the direction of the shaft rotation axis and rotates together with the revolving shaft assembly around the shaft rotation axis, wherein the additional main cam comprises an additional main cam profile extending around the revolving shaft assembly and defining an additional stroke in the direction of the shaft rotation axis,an additional fixed main cam follower connected to the support structure and configured to engage the additional main cam profile of the additional main cam in such a way that, in response to a rotation of the revolving shaft assembly around the shaft rotation axis, the additional main cam performs an additional cyclic main translational movement in the direction of the shaft rotation axis,an additional tooling holder comprising an additional main slide having an additional tooling fixation portion and being supported by the support structure in a manner that the additional main slide can move in the direction of the shaft rotation axis, wherein the additional main slide is connected to the additional main cam in a manner that the additional main cam can rotate with respect to the additional main slide around the shaft rotation axis and the additional main slide moves together with the additional main cam in the direction of the shaft rotation axis synchronized with said main and secondary cyclic movements. 17. Device according to claim 1, further comprising: an additional plate shaped secondary cam rigidly connected to the revolving shaft assembly in a manner that the additional secondary cam rotates together with the revolving shaft assembly, wherein the additional secondary cam comprises an additional secondary cam profile extending around the revolving shaft assembly and defining an additional stroke in an additional transversal direction to the shaft rotation axis,an additional tooling holder comprising an additional secondary slide having an additional tooling fixation portion and being connected to the supporting structure in a manner that the additional secondary slide can move with respect to the supporting structure in the additional transversal direction to the shaft rotation axis,an additional secondary cam follower connected to the additional secondary slide and configured to engage the additional secondary cam profile of the additional secondary cam in such a way that, in response to the rotation of the revolving shaft assembly around the shaft rotation axis, the additional secondary slide performs an additional cyclic secondary translational movement in the additional transversal direction to the shaft rotation axis synchronized with said main and secondary cyclic movements. 18. Device according to claim 1, further comprising: an additional main cam profile formed as a two stage cam profile together with main cam profile in the main cam and extending around the revolving shaft assembly and defining an additional stroke in the direction of the shaft rotation axis,an additional main cam follower connected to an additional main slide of an additional tooling holder and configured to engage the additional main cam profile of the main cam in such a way that, in response to a rotation of the revolving shaft assembly around the shaft rotation axis, the additional main cam follower performs an additional cyclic main translational movement in the direction of the shaft rotation axis, wherein the additional main slide comprises an additional tooling fixation portion and is supported by the support structure in a manner that the additional main slide can move in the direction of the shaft rotation axis together with the additional main cam follower synchronized with said cyclic main and secondary movements.
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