A blowing mold array includes a blowing mold unit forming a cavity, inside of which plastic preforms are expanded to plastic containers. The blow mold unit includes a blowing mold retainer having at least two mold retainer elements for accommodating parts of the blowing mold unit, and a locking mech
A blowing mold array includes a blowing mold unit forming a cavity, inside of which plastic preforms are expanded to plastic containers. The blow mold unit includes a blowing mold retainer having at least two mold retainer elements for accommodating parts of the blowing mold unit, and a locking mechanism to arrest at least one part of the blowing mold unit against at least one mold retainer element. The locking mechanism includes an engagement element that can be pivoted and/or shifted relative to a default axis, which in an arrested state abuts a segment of a part of the blowing mold unit. The locking mechanism has an actuating element to loosen the arrest between the mold retaining element and the blowing mold unit. Actuation of the actuating element is coupled with actuation of the engagement element.
대표청구항▼
1. A blow mould assembly for moulding plastic preforms into plastic containers, comprising a blow mould unit forming a cavity, within which the plastic preforms can be expanded into plastic containers, said blow mould unit being formed at least in two parts, and comprising a blow mould holder for re
1. A blow mould assembly for moulding plastic preforms into plastic containers, comprising a blow mould unit forming a cavity, within which the plastic preforms can be expanded into plastic containers, said blow mould unit being formed at least in two parts, and comprising a blow mould holder for receiving the blow mould unit, wherein the blow mould holder has at least two mould holder elements for receiving parts of the blow mould unit, and comprising a locking mechanism in order to arrest at least a part of the blow mould unit in relation to at least one mould holder element, said locking mechanism having an engagement member, which engagement member rests in an arrested condition of part of the blow mould unit in relation to a mould holder element on a section of part of the blow mould unit, wherein the locking mechanism has an actuating member which is displaceable in a z-direction in order to achieve an arrest of the blow mould unit relative to the blow mould holder, wherein the actuating member comprises a rod arranged inside the blow mould unit, and in order to achieve an arrest between the mould holder element and the blow mould unit, a movement of the actuating member is coupled to a movement of the engagement member. 2. The blow mould assembly as claimed in claim 1, wherein a maximum rotary angle (a) of the engagement member is an angle selected from the group consisting of less than 360°, less than 180° and less than 100°. 3. The blow mould assembly as claimed in claim 1, wherein the engagement member is disposed on a carrier and this carrier is disposed on the blow mould holder. 4. The blow mould assembly as claimed in claim 1, wherein the locking mechanism includes at least two engagement members which are disposed one after the other in a longitudinal direction (L) of the blow mould unit. 5. The blow mould assembly as claimed in claim 1, wherein the locking mechanism includes at least two engagement members and the blow mould unit is disposed between these engagement members. 6. The blow mould assembly as claimed in claim 1, wherein the engagement member latches in at least one rotary position. 7. The blow mould assembly as claimed in claim 1, wherein the engagement member latches in exactly two rotary positions. 8. The blow mould assembly as claimed in claim 1, wherein the engagement member is rotatably supported by at least two spherical bodies. 9. The blow mould assembly as claimed in claim 8, wherein the spherical bodies are disposed in raceways. 10. The blow mould assembly as claimed in claim 1, wherein the engagement member includes at least one rounded outer surface. 11. The blow mould assembly as claimed in claim 1, wherein the blow mould assembly includes a spring unit in order to pretension the engagement member in relation to the carrier. 12. The blow mould assembly as claimed in claim 1, wherein the blow mould assembly includes a securing mechanism that prevents the blow mould unit from closing in the case the blow mould unit is not correctly arrested. 13. The blow mould assembly as claimed in claim 1, wherein the blow mould assembly includes at least two actuating members and each of these actuating members includes respectively one projection and one recess, wherein in a closed condition of the blow mould, at least one projection of one actuating member engages in the recess of the other actuating member. 14. The blow mould assembly as claimed in claim 1, wherein the blow mould assembly includes a liquid line with at least one feed connection for feeding liquid and the blow mould holder includes at least one supply connection for supplying the liquid line, and the feed connection can be connected to the supply connection by way of a locking process for arresting the blow mould unit with the blow mould holder. 15. A stretch blow moulding machine having a plurality of blow moulding stations, wherein the plastic preforms can be moulded into plastic containers, wherein at least one of these blow moulding stations includes a blow mould assembly as claimed in claim 1. 16. A blow mould assembly for moulding plastic preforms into plastic containers, comprising a blow mould unit forming a cavity, within which the plastic preforms can be expanded into plastic containers, said blow mould unit being formed at least in two parts, and comprising a blow mould holder for receiving the blow mould unit, wherein the blow mould holder has at least two mould holder elements for receiving parts of the blow mould unit, and comprising a locking mechanism in order to arrest at least a part of the blow mould unit in relation to at least one mould holder element, said locking mechanism having an engagement member that can be pivoted and/or displaced in relation to a specified axis (X), which engagement member rests in an arrested condition of part of the blow mould unit in relation to a mould holder element on a section of part of the blow mould unit, wherein the locking mechanism has an actuating member comprising a rod having an eccentric profile, wherein in order to achieve an arrest between the blow mould holder elements and the blow mould unit, a movement of the actuating member is coupled to a movement of the engagement member.
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이 특허에 인용된 특허 (14)
Appel Adolf (Egestorf-Nordheide DT) Reymann Wolfgang (Hamburg DT), Apparatus for blow-molding hollow articles, in particular bottles.
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