초록 ▼

A capping unit for capping containers with respective caps, each presenting a spray head with a ring nut for fitting it to the threaded neck of the container; the capping unit presenting at least one capping head wherein a first gripping device grips a respective spray head, and a second gripping de

A capping unit for capping containers with respective caps, each presenting a spray head with a ring nut for fitting it to the threaded neck of the container; the capping unit presenting at least one capping head wherein a first gripping device grips a respective spray head, and a second gripping device presents two jaws for gripping the ring nut and rotating it in relation to the first gripping device; each jaw presenting a gripping roller integral with a respective planetary gear of an epicyclic drive wherein each planetary gear is barrel-shaped and presents teeth in turn presenting a convex longitudinal profile and meshing permanently with a straight-toothed outer ring gear regardless of the position of the relative jaw.

대표청구항 ▼

A capping unit (1) for automatically assembling pump-operated spray cap bottles (2) comprising a container (3) with an externally threaded neck (4), and a cap (5) presenting both a pump-operated spray head (7) and an internally threaded ring nut (6) mounted for rotation on the spray head (7); the ca

A capping unit (1) for automatically assembling pump-operated spray cap bottles (2) comprising a container (3) with an externally threaded neck (4), and a cap (5) presenting both a pump-operated spray head (7) and an internally threaded ring nut (6) mounted for rotation on the spray head (7); the capping unit (1) presenting at least one capping assembly (69) comprising a capping head (82); the capping head (82) comprising a first gripping device (122) movable into a closed position to grip a respective said spray head (7), and a second gripping device (121) presenting two jaws (125) movable into a closed position to grip the ring nut (6); and the capping assembly (69) comprising first actuating means (155, 154) for moving the first gripping device (122) to and from the closed position, second actuating means (141) for moving the second gripping device (121) to and from the closed position, third actuating means (79, 130, 143) for rotating the ring nut (6) in relation to the first gripping device (122), and fourth actuating means (63) for moving the capping head (82) to and from a position wherein said cap (5) is connected to the relative said container (3); characterized in that said second gripping device (121) comprises, for each jaw (125), a gripping roller (130) forming the end portion of the jaw (125); said second actuating means (141) being connected to each jaw (125) for moving it to and from the relative said closed position wherein the relative gripping roller (130) contacts said ring nut (6); and said third actuating means (79, 130, 143) being connected to each said gripping roller (130) to rotate it about a first axis (129), and comprising a drive (143) in turn comprising a ring gear (115) presenting a second axis (55) and rotating about the second axis (55) in relation to the first gripping device (122), and, for each gripping roller (130), a planetary gear (131) coaxial with the respective first axis (129) and integral with the relative gripping roller (130).