Patent ID: 8458992
Filing Date: 2013-06-11
Classification: B67B

Abstract:
1. A capping machine for closing containers with respective caps, comprising a carousel rotatable about a first vertical axis and having: a central drum; at least one capping unit carried in rotation by the central drum about the vertical axis and comprising a capping head with a gripper having jaws for holding a cap, and a control linkage mechanism for opening and closing the gripper, the capping unit comprising a driving mechanism for axially moving the capping head along a second axis, and a guiding mechanism for axially guiding and supporting the driving mechanism; the driving mechanism comprising a first tubular body aligned concentrically on the second axis and set in motion by a first cam mechanism; the guiding mechanism being rigidly associated with the central drum and comprising an outer tubular element coaxial with the first tubular body and carried by the central drum; wherein the guiding mechanism further comprises a pneumatic cylinder aligned on an axis parallel to the second axis, and a slide movable along the cylinder, insertable through a slot in a cylindrical wall of the tubular element and fixed to the first tubular body.