Filling system for a machine for filling trays and a method for filling trays

A filling system for a machine used in a tobacco industry, the filling system comprising:

• a plurality of rotary rollers to discharge rod-shaped articles having an axis parallel to an axis of the rotary rollers, from a dispenser to a tray, the tray disposed below the dispenser;
• each adjacent rotary rollers spaced apart to permit the rod-shaped articles to drop vertically between the adjacent rotary rollers;
• a blocking unit to block conveying of the rod-shaped articles from the dispenser to the tray, the blocking unit comprising pressing elements located between the rotary rollers and movable in a direction of axes of the rotary rollers and in the same axis as the axis of the rod-shaped articles, between:
• a blocked position, in which the pressing elements are located at a first distance, not greater than a length of the rod-shaped articles, from a back wall of the dispenser so as to press the rod-shaped elements against the back wall of the dispenser to block the dispensing of the rod-shaped articles from the dispenser to the tray;
• and
• an unblocked position, in which the pressing elements are located at a second distance, greater than the length of the rod-shaped articles, from the back wall of the dispenser.