Provided is an apparatus for molding plastic preforms into plastic containers, with at least one blow molding arrangement, which includes at least a first mold carrier, a second mold carrier and a blow-molding device having at least two blow mold side parts and a base part, wherein the blow molding device can be releasably arranged on the mold carriers via a locking mechanism and forms a cavity inside which the plastic preforms can be molded into the plastic containers, wherein during the molding process, the mold carriers can be latched together by a latching device, and the apparatus includes a changeover robot which is suitable and intended for extracting the blow-molding device in an assembled state from the mold carriers.