Cutting device for continuous rods of smoking products

A cutting device for continuous rods of smoking products, in particular cigarettes, comprising a blade carrier head (10) rotatable about a first axis the inclination of which is adjustable and provided with at least one outer radial blade (11) disposed in an inclined position with respect to the said first axis, a grinding wheel carrier head (43) mounted on a support (17,33) for rotation with respect to this latter about a second axis substantially perpendicular to the said first axis and facing the outer periphery of the said blade carrier head (10), a drive train (7;

• 12-15;
• 22,44) between the said blade carrier head (10) and the said grinding wheel carrier head (43) for driving this latter to rotate about the said second axis in a determined phase relation with the angular position of the said blade carrier head (10) about the said first axis, a grinding wheel (73) mounted eccentrically on the said grinding wheel carrier head (43) and able to cooperate with a cutting edge of each said blade (11), adjustment means (69) for adjusting the eccentricity of the said grinding wheel (73), and drive means (76) for driving the said grinding wheel (73) to rotate about a third axis parallel to the said second axis, characterised by the fact that the said grinding wheel carrier head (43) includes an eccentric balancing mass (82), the said adjustment means (69) being operable to simultaneously displace, in opposite senses and a direction transverse the said second axis, both the said grinding wheel (73) and the said balancing mass (82), and the said drive means including a pneumatic motor (76).