Method and a device for changing carrier units with flat packaging material wound on supply rolls within a packaging machine

A system for changing removable carrier units (8a′, 8b′) with flat packaging material (10) wound on supply rolls (9) within a packaging machine (3), which is equipped with devices for at least partially wrapping articles with packaging material (10, 10′) with a feeding device (4) for the provision of removable carrier units (8a, 8b) carrying new supply rolls (9) in a series one after the other, which is assigned to a work area (AB) of a handling device (5), which extends into at least one position of the operating position of the removable carrier unit (8a′, 8b′) equipped with a supply roll (9) which is arranged in the packaging machine (3), so that removable carrier units (8a′, 8b′) located in the packaging machine (3) with used up supply rolls (9′) can be replaced with new removable carrier units (8a, 8b) with new supply rolls (9) by the handling device (5), the packaging machine (3) including at least two different installation positions (EB1, EB2) and a corresponding holding mandrel (15, 15′) at each of the at least two different installation positions (EB1, EB2), wherein each of the holding mandrels (15, 15′) are aligned to connect with a respective new supply roll (9) when the removable carrier unit (8a, 8b) carrying the respective new supply roll (9) is inserted into the corresponding installation position (EB1, EB2), wherein the handling device (5) is configured to alternatively insert the respective new removable carrier units (8a, 8b) with the respective new supply roll (9) at the at least two different installation positions (EB1, EB2) in the packaging machine (3) such that the flat packaging material (10) of the respective new supply roll (9) can be connected with the packaging material (10′) still located in the packaging machine (3).