Blow-molding machine with detection of a locking state

A method for forming plastic preforms into plastic containers, wherein the plastic preforms are transported by a rotatable carrier, on which a plurality of forming stations for forming the plastic preforms into the plastic containers are arranged, wherein the forming stations each have application devices which apply a flowable medium to the plastic preforms for the expansion thereof, and wherein the forming stations each have blow mold carriers, on which blow molds are arranged, within which the plastic preforms are formed into plastic containers and a first movement mechanism is provided for opening and/or closing the blow molds and wherein further a locking mechanism is provided which locks the blow mold carriers together at least temporarily during the expansion process of the plastic preforms,

• wherein
• at least one sensor device is provided which detects a locking state of the locking mechanisms of at least one forming station and which outputs at least one signal which is characteristic of this locking state, and wherein
• a plastic preform to be formed by an improperly locked forming station is ejected.

An apparatus for forming plastic preforms into plastic containers comprising a rotatable carrier on which a plurality of forming stations for forming the plastic preforms into plastic containers are arranged, wherein the forming stations each have application devices configured for applying a flowable medium to the plastic preforms for the expansion thereof, and wherein the forming stations each have blow mold carriers on which blow molds can be arranged, within which the plastic preforms can be formed into plastic containers and a first movement mechanism is provided configured for opening and/or closing the blow molds and wherein further a locking mechanism is provided configured for locking the blow mold carriers together at least temporarily during the expansion process of the plastic preforms,

• wherein
• the apparatus has at least one sensor device which is configured to detect a locking state of the locking mechanism of at least one forming station and which is configured to output at least one signal which is characteristic of this locking state, and wherein
• the apparatus has a counting device configured for counting the plastic containers formed by a particular forming station.