Processing device for the processing of moulded blocks, wherein the processing device comprises at least one drive unit and at least one elongated shaft having an axis of rotation, wherein the shaft is designed such that it can be set in a rotational movement about its axis of rotation by the drive unit, wherein at least three annular carrier elements (T1, T2, Tx) are arranged on the shaft and are fixedly connected to the shaft, wherein a first terminal carrier element is arranged on the shaft adjacent to the end of the shaft adjacent to the drive unit, a second terminal carrier element is arranged on the shaft adjacent to the end of the shaft remote from the drive unit, and at least one third carrier element (Tx) is arranged on the shaft between the first terminal carrier element and the second terminal carrier element, wherein at least two first processing tools (4.1A, 4.1B) are elastically attached to the first terminal carrier element, at least two second processing tools (4.2A, 4.2B) are elastically attached to the second terminal carrier element, and at least two third processing tools (4.xA, 4.xB) are elastically attached to the third carrier element (Tx), wherein each of the processing tools (4.1A, 4.1B, 4.2A, 4.2B, 4.xA, 4.xB) comprises at its end remote from the carrier element (T1, T2, Tx) a processing head for an interaction with a surface of the moulded blocks that is to be processed, and each of the processing tools (4.1A, 4.1B, 4.2A, 4.2B, 4.xA, 4.xB) has a tool axis orientated radially outwards from the respective carrier element (T1, T2, Tx), wherein the first processing tools (4.1A, 4.1B) attached to the first terminal carrier element have a first extent in the direction of their respective tool axis, the second processing tools (4.2A, 4.2B) attached to the second terminal carrier element have a second extent in the direction of their respective tool axis, and the third processing tools (4.xA, 4.xB) arranged on the at least one third carrier element (Tx) have an extent (Ax) in the direction of their respective tool axis (WAx), characterised in that, the first extent of the first processing tools (4.1A, 4.1B) is greater than the extent (Ax) of the third processing tools (4.xA, 4.xB), and the second extent of the second processing tools (4.2A, 4.2B) is greater than the extent (Ax) of the third processing tools (4.xA, 4.xB). the processing device comprises at least one drive unit and at least one elongated shaft having an axis of rotation, wherein the shaft is designed such that it can be set in a rotational movement about its axis of rotation by the drive unit, wherein at least three annular carrier elements (T1, T2, Tx) are arranged on the shaft and are fixedly connected to the shaft, wherein a first terminal carrier element is arranged on the shaft adjacent to the end of the shaft adjacent to the drive unit, a second terminal carrier element is arranged on the shaft adjacent to the end of the shaft remote from the drive unit, and at least one third carrier element (Tx) is arranged on the shaft between the first terminal carrier element and the second terminal carrier element, wherein at least two first processing tools (4.1A, 4.1B) are elastically attached to the first terminal carrier element, at least two second processing tools (4.2A, 4.2B) are elastically attached to the second terminal carrier element, and at least two third processing tools (4.xA, 4.xB) are elastically attached to the third carrier element (Tx), wherein each of the processing tools (4.1A, 4.1B, 4.2A, 4.2B, 4.xA, 4.xB) comprises at its end remote from the carrier element (T1, T2, Tx) a processing head for an interaction with a surface of the moulded blocks that is to be processed, and each of the processing tools (4.1A, 4.1B, 4.2A, 4.2B, 4.xA, 4.xB) has a tool axis orientated radially outwards from the respective carrier element (T1, T2, Tx), wherein the first processing tools (4.1A, 4.1B) attached to the first terminal carrier element have a first extent in the direction of their respective tool axis, the second processing tools (4.2A, 4.2B) attached to the second terminal carrier element have a second extent in the direction of their respective tool axis, and the third processing tools (4.xA, 4.xB) arranged on the at least one third carrier element (Tx) have an extent (Ax) in the direction of their respective tool axis (WAx), characterised in that, the first extent of the first processing tools (4.1A, 4.1B) is greater than the extent (Ax) of the third processing tools (4.xA, 4.xB), and the second extent of the second processing tools (4.2A, 4.2B) is greater than the extent (Ax) of the third processing tools (4.xA, 4.xB).