A rotary seamer (1) is provided with a carousel (2) and with at least one seaming station (3) associated with the carousel (2) and comprising a rod-like element (6) rotating around its own longitudinal axis, a seaming tool (4) rotatably connected to a lever (5) integral with the rod-like element (6)
A rotary seamer (1) is provided with a carousel (2) and with at least one seaming station (3) associated with the carousel (2) and comprising a rod-like element (6) rotating around its own longitudinal axis, a seaming tool (4) rotatably connected to a lever (5) integral with the rod-like element (6) and means for rotating the rod-like element (6) around its own longitudinal axis, in such a way as to displace the seaming tool (4) from an operative position, in which it interacts with an object seaming it, to a deactivated position, of non interference with the object; said means comprising an electric motor (7) associated with the carousel and kinetically to the rod-like element (6) and control means operatively active on the electric motor (7) to rotate the rod-like element (6) according to a predefined logic. In known seamers the actuation of the seaming tool is achieved by means of a cam, this entailing limitations and drawbacks in the adaptation of the seamer to the treatment of different objects.
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1. A rotary seamer (1) provided with a carrousel (2) and with at least one seaming station (3) associated with the carrousel (2) and comprising: a rod element (6) rotating around its own longitudinal axis;a seaming tool (4) rotatably connected to a lever (5) integral with the rod element (6);means f
1. A rotary seamer (1) provided with a carrousel (2) and with at least one seaming station (3) associated with the carrousel (2) and comprising: a rod element (6) rotating around its own longitudinal axis;a seaming tool (4) rotatably connected to a lever (5) integral with the rod element (6);means for rotating the rod element (6) around its own longitudinal axis, in order to displace the seaming tool (4) from an operative position, in which it interacts with an object seaming it, to a deactivated position, of non interference with the object; characterised in that said means for rotating the rod element (6) comprise, in combination: an electric motor (7) associated with the carrousel;means for connecting the rod element (6) to the electric motor (7), said means for connecting the rod element (6) to the electric motor (7) comprising a system of gears (9, 10);control means operatively active on the electric motor (7) to rotate the rod element (6) according to a predefined logic. 2. Seamer as claimed in claim 1, comprising, in combination: an electric actuator (11) associated with the carrousel (2);means for connecting said electric actuator (11) to the seaming tool (4), to rotate it around its own longitudinal axis. 3. Seamer as claimed in claim 2, wherein said control means are operatively active also on the electric actuator (11), to manage the rotation of the seaming tool (4) according to the rotation of the rod element, by means of a co-ordinated control of the electric motor (7) and of the electric actuator (11). 4. Seamer as claimed in claim 3, wherein said control means are operatively active on the electric actuator (11) to adjust its velocity of rotation. 5. Seamer as claimed in claim 2, wherein said electric actuator (11) is connected to the seaming tool (4) in such a way as to rotate it in the opposite direction with respect to the direction of rotation of the object to be seamed. 6. Seamer as claimed in claim 2, wherein said seaming tool (4) is a roller internally provided with pre-loaded bearings. 7. Seamer as claimed in claim 1, wherein said control means comprise an electronic board connected to a sensor able to sense an angular position of the carrousel (2). 8. Seamer as claimed in claim 1, comprising an additional seaming tool (4) rotatably associated to said lever (5). 9. Seamer as claimed in claim 1, wherein said control means comprise a diagnostic signaller activated according to the trend in the value of a control quantity of the electric motor (7). 10. Seamer as claimed in claim 1, comprising a plurality of seaming stations (3) associated with the carrousel (2) and an electrical panel connected to all electric motors (7) and to the control means of the respective seaming stations (4). 11. Seamer as claimed in claim 10, wherein said electrical panel is contained in a pressurised environment. 12. A rotary seamer (1) provided with a carrousel (2) and with at least one seaming station (3) associated with the carrousel (2) and comprising: a rod element (6) rotating around its own longitudinal axis;a seaming tool (4) rotatably connected to a lever (5) integral with the rod element (6);means for rotating the rod element (6) around its own longitudinal axis, in order to displace the seaming tool (4) from an operative position, in which it interacts with an object seaming it, to a deactivated position, of non interference with the object; characterised in that said means for rotating the rod element (6) comprise, in combination: an electric motor (7) associated with the carrousel;means for connecting the rod element (6) to the electric motor (7), said means for connecting the rod element (6) to the electric motor (7) comprising a system of gears (9, 10);control means operatively active on the electric motor (7) to rotate the rod element (6) according to a predefined logic, the control means interacting with a software defining said predefined logic, to adjust the time of permanence of the seaming tool (4) in the operative position. 13. Seamer as claimed in claim 12, wherein said control means comprise a diagnostic signaller activated according to the trend in the value of a control quantity of the electric motor (7). 14. Seamer as claimed in claim 12, comprising, in combination: an electric actuator (11) associated with the carrousel (2);means for connecting said electric actuator (11) to the seaming tool (4), to rotate it around its own longitudinal axis. 15. A rotary seamer (1) provided with a carrousel (2) and with at least one seaming station (3) associated with the carrousel (2) and comprising: a rod element (6) rotating around its own longitudinal axis;a seaming tool (4) rotatably connected to a lever (5) integral with the rod element (6);means for rotating the rod element (6) around its own longitudinal axis, in order to displace the seaming tool (4) from an operative position, in which it interacts with an object seaming it, to a deactivated position, of non interference with the object; characterised in that said means for rotating the rod element (6) comprise, in combination: an electric motor (7) associated with the carrousel;means for connecting the rod element (6) to the electric motor (7), said means for connecting the rod element (6) to the electric motor (7) comprising a system of gears (9, 10);control means operatively active on the electric motor (7) to rotate the rod element (6) according to a predefined logic, the control means interacting with a software defining said predefined logic, to adjust the velocity of actuation of the seaming tool (4) from the deactivated position to the operative position. 16. Seamer as claimed in claim 15, wherein said control means comprise a diagnostic signaller activated according to the trend in the value of a control quantity of the electric motor (7). 17. Seamer as claimed in claim 15, comprising, in combination: an electric actuator (11) associated with the carrousel (2);means for connecting said electric actuator (11) to the seaming tool (4), to rotate it around its own longitudinal axis.
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이 특허에 인용된 특허 (5)
Pss Hans-Uwe (Lengede DEX), Apparatus for flanging and swaging a cylindrical can body on both ends.
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