An assembly for the automatic loading of workpieces comprising: - a loading plate for receiving workpieces which ∘ is mounted rotatably about a rotational axis and ∘ has a plurality of receiving openings which are arranged eccentrically in respect of the rotational axis; - a pick-and-place robot for charging the loading plate with workpieces, wherein the pick-and- place robot comprises ∘ a positioning unit, in particular with a robot arm, and ∘ a loading group with a plurality of loading modules which each have ▪ a conveyor, a holding portion, an outlet opening for workpieces and ▪ a shut-off device for retaining and releasing workpieces; - a control unit which is designed, multiple times in succession, ∘ to position the loading plate, in particular by rotation about its rotational axis, and/or the loading group, in particular by means of the positioning unit, relative to one another in such a manner that the outlet opening of the at least one loading module is oriented above a receiving opening coinciding therewith and ∘ to release a workpiece retained in the holding portion by means of the shut-off device in each case, wherein a plurality of different loading modules is provided for different kinds of workpieces, in particular of different diameters. - a loading plate for receiving workpieces which ∘ is mounted rotatably about a rotational axis and ∘ has a plurality of receiving openings which are arranged eccentrically in respect of the rotational axis; ∘ is mounted rotatably about a rotational axis and ∘ has a plurality of receiving openings which are arranged eccentrically in respect of the rotational axis; - a pick-and-place robot for charging the loading plate with workpieces, wherein the pick-and- place robot comprises ∘ a positioning unit, in particular with a robot arm, and ∘ a loading group with a plurality of loading modules which each have ▪ a conveyor, a holding portion, an outlet opening for workpieces and ▪ a shut-off device for retaining and releasing workpieces; ∘ a positioning unit, in particular with a robot arm, and ∘ a loading group with a plurality of loading modules which each have ▪ a conveyor, a holding portion, an outlet opening for workpieces and ▪ a shut-off device for retaining and releasing workpieces; ▪ a conveyor, a holding portion, an outlet opening for workpieces and ▪ a shut-off device for retaining and releasing workpieces; - a control unit which is designed, multiple times in succession, ∘ to position the loading plate, in particular by rotation about its rotational axis, and/or the loading group, in particular by means of the positioning unit, relative to one another in such a manner that the outlet opening of the at least one loading module is oriented above a receiving opening coinciding therewith and ∘ to release a workpiece retained in the holding portion by means of the shut-off device in each case, wherein a plurality of different loading modules is provided for different kinds of workpieces, in particular of different diameters. ∘ to position the loading plate, in particular by rotation about its rotational axis, and/or the loading group, in particular by means of the positioning unit, relative to one another in such a manner that the outlet opening of the at least one loading module is oriented above a receiving opening coinciding therewith and ∘ to release a workpiece retained in the holding portion by means of the shut-off device in each case,