US20200156303A1 - Apparatus and method for operating media couplings on a blow mould - Google Patents

Apparatus and method for operating media couplings on a blow mould Download PDF

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Publication number
US20200156303A1
US20200156303A1 US16/635,017 US201816635017A US2020156303A1 US 20200156303 A1 US20200156303 A1 US 20200156303A1 US 201816635017 A US201816635017 A US 201816635017A US 2020156303 A1 US2020156303 A1 US 2020156303A1
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United States
Prior art keywords
blow
coupling
changing
blow moulding
devices
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Abandoned
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US16/635,017
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English (en)
Inventor
Andreas Hack
Florian Geltinger
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Krones AG
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Krones AG
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Priority claimed from DE102017117576.8A external-priority patent/DE102017117576A1/de
Priority claimed from DE102017117533.4A external-priority patent/DE102017117533A1/de
Priority claimed from DE102017119816.4A external-priority patent/DE102017119816A1/de
Priority claimed from DE102017119817.2A external-priority patent/DE102017119817A1/de
Priority claimed from DE102017129576.3A external-priority patent/DE102017129576A1/de
Application filed by Krones AG filed Critical Krones AG
Publication of US20200156303A1 publication Critical patent/US20200156303A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4823—Moulds with incorporated heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
    • B29C2049/4673—Environments
    • B29C2049/4697—Clean room
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4823—Moulds with incorporated heating or cooling means
    • B29C2049/4838—Moulds with incorporated heating or cooling means for heating moulds or mould parts
    • B29C2049/4843—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4823—Moulds with incorporated heating or cooling means
    • B29C2049/4838—Moulds with incorporated heating or cooling means for heating moulds or mould parts
    • B29C2049/4846—Moulds with incorporated heating or cooling means for heating moulds or mould parts in different areas of the mould at different temperatures, e.g. neck, shoulder or bottom
    • B29C2049/4848—Bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4856—Mounting, exchanging or centering moulds or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C2049/4879—Moulds characterised by mould configurations
    • B29C2049/4892—Mould halves consisting of an independent main and bottom part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the present invention relates to an apparatus and a method for reshaping plastic preforms into plastic containers.
  • Apparatuses and methods for reshaping plastic preforms into plastic containers have been known for a long time from the prior art.
  • the plastic preforms are usually introduced into a blow mould which forms a cavity and in the interior of which the plastic preforms are expanded in a stretch blow moulding process by the application of compressed air against the inner wall of this blow mould and are stretched, simultaneously if appropriate, by means of a stretching rod.
  • the blow moulds are supplied with media by means of a plurality of connections and couplings.
  • the blow moulds are changed manually and in this case the connectors are manually uncoupled and coupled again.
  • Single blow moulds for the standard process can currently be changed automatically with a robot system.
  • the base mould is supplied with the medium by means of two couplings. In the event of an automatic change of blow mould these couplings are automatically coupled and uncoupled by lifting and lowering of the base.
  • the object of the present invention is to overcome the disadvantages known from the prior art and to provide an apparatus which further automates and thereby in particular accelerates an operation of the media couplings which is necessary during a blow mould changing operation.
  • the changing device is connection suitable and intended to disconnect and/or to connect (or to release and/or to close) the coupling device and/or to break and/or to make a flow connection between the channel and the coupling device.
  • the coupling device can be for instance a connector (which can be disconnected), by means of which a channel can be connected to a further channel suitable for conveying a flowable medium.
  • the coupling device preferably serves as a connection, by means of which a replacement and/or a supply and/or a discharge of flowable medium in the channel can be carried out.
  • the changing device serves not only for changing for receiving blow moulds or blow mould devices, but also for releasing and/or closing media couplings on the blow moulds or the blow mould devices.
  • a device which automatically releases and/or connects the media couplings or the coupling devices during gripping of the mould is preferably located on the changing device, for instance a robot (gripper) or a handling manipulator.
  • the changing device is preferably a semi-automatic and preferably fully automatic robot.
  • a manual changing device may also be provided.
  • a so-called manipulator is used instead of a robot.
  • a manipulator compensates for the dead weight of a workpiece to be moved, such as for instance a blow mould, in order to simplify the operation.
  • the operator can guide the manipulator which has the mould gripper fastened on its end.
  • Such a change by means of a manipulator is not automatically carried out or carried out without an operator.
  • the configuration of the changing device as a manipulator can also be used irrespective of whether the changing device also carries out other activities outside the changing mode.
  • the changing device can preferably be moved or guided along an in particular predetermined movement path or along a line. Even if the changing device is a robot, it is in particular not mobile, but stationary, wherein the gripping device or robot arm thereof and/or an element of the changing device which disconnects and/or connects the coupling device is movable, in particular movable towards and away from at least one reshaping station. It would also be possible that the changing device is preferably a mobile device which can preferably be moved in its entirety, and it is preferably not a stationary device.
  • the changing device is preferably suitable and intended not only to operate the coupling device(s) of a predetermined reshaping station on the apparatus (i.e.
  • the at least one changing device is preferably used in a changing mode in which at least one blow moulding device is changed, and which differs from an expansion mode, in which the plastic preforms are expanded to form plastic containers.
  • the (temperature control medium) channel is preferably arranged in a base part and/or in a side part and/or in the side parts of the blow moulding device.
  • a plurality of (temperature control medium) channels are provided, so that the individual parts of the blow moulding device can be supplied individually with flowable medium. This offers the advantage that for instance the individual parts can be temperature-controlled separately.
  • At least one temperature control medium channel preferably a coolant channel
  • a coolant channel is provided as a channel which serves for guiding a flowable temperature control medium for controlling the temperature of the blow moulding device and/or of the blow mould support device, wherein this temperature control medium channel is preferably incorporated in a temperature control circuit.
  • at least one first fluid circuit is provided in order to control the temperature of the side wall and at to least one further fluid circuit is provided in order to control the temperature of the base.
  • the base part of the blow moulding device preferably has at least one channel as temperature control medium channel, which is particularly preferably arranged inside the base part.
  • This temperature control medium channel is preferably suitable and intended to cool the base part, in particular the surface thereof facing the cavity, by means of cooling liquid such as cooling water, preferably to temperatures up to 20° C., preferably up to 15° C. and particularly preferably up to 12° C., wherein preferably the temperatures amount to at least 5° C. and particularly preferably at least 8° C.
  • the base part of blow moulding device has at least one temperature control medium channel, via which, for instance by means of heating medium such as hot water, the base part and in particular the surface of the base part facing the cavity can be heated, preferably to temperatures of at least 40° C., preferably at least 50° C., preferably at least 60° C., preferably at least 70° C. and particularly preferably at least 80° C. and/or preferably a maximum of 90° C. and particularly preferably a maximum of 85° C.
  • heating medium such as hot water
  • the base part preferably has at least one coupling device (which can be separated from the changing device and/or connected thereto), by means of which the temperature control medium channel can be supplied with cool water or by means of which a flow connection to cooling water of correspondingly suitable temperature can be produced, and/or at least one coupling device (which can be separated from the changing device and/or connected thereto), by means of which the temperature control medium channel can be supplied with warm water or by means of which a flow connection to warm water of correspondingly suitable temperature can be produced.
  • At least one side part of the blow moulding device and preferably at least one of the two side parts in each case, has at least one channel as temperature control medium channel which is particularly preferably arranged inside the side part.
  • this temperature control medium channel via which, for instance by means of heating medium such as hot water, at least portions of the base part and in particular the surface thereof facing the cavity can be heated, preferably to temperatures of at least 40° C., preferably at least 50° C., preferably at least 60° C., preferably at least 65° C., preferably at least 70° C., preferably at least 80° C. and particularly preferably at least 85° C.
  • the side part has a coupling device (which can be separated from and/or connected to the changing to device), by means of which this temperature control medium channel can be supplied with heating medium such as hot water or by means of which a flow connection to hot water having a corresponding temperature can be produced.
  • a coupling device which can be separated from and/or connected to the changing to device, by means of which this temperature control medium channel can be supplied with heating medium such as hot water or by means of which a flow connection to hot water having a corresponding temperature can be produced.
  • the side part and in particular the surface thereof facing the cavity can be heated, preferably to temperatures of at least 80° C., preferably at least 90° C., preferably at least 100° C., preferably at least 120° C., preferably at least 130° C., preferably at least 140° C. and preferably at least 145° C. and/or preferably a maximum of 160° C., preferably a maximum of 155° C., preferably and particularly preferably a maximum of 150° C.
  • heating medium such as oil
  • the side part has a coupling device (which can be separated from and/or connected to the changing device), by means of which this temperature control medium channel can be supplied with oil or by means of which a flow connection to oil at a corresponding temperature can be produced.
  • a coupling device which can be separated from and/or connected to the changing device
  • the blow mould support preferably has at least one channel as temperature control medium channel, which is particularly preferably arranged inside the blow mould part and/or at the side of the blow mould support.
  • this temperature control medium channel by means of heating medium such as hot water, at least portions of the blow mould support and in particular at least portions of the surface thereof (facing the cavity) can be heated, preferably to temperatures of at least 30° C., preferably at least 40° C., preferably at least 50° C., preferably at least 55° C., and/or preferably a maximum of 75° C., preferably a maximum of 70° C., and particularly preferably a maximum of 65° C.
  • the base part has a coupling device (which can be separated from and/or connected to the changing device), by means of which this temperature control medium channel can be supplied with heating medium such as hot water or by means of which a flow connection to hot water having a corresponding temperature can be produced.
  • a coupling device which can be separated from and/or connected to the changing device
  • this temperature control medium channel can be supplied with heating medium such as hot water or by means of which a flow connection to hot water having a corresponding temperature can be produced.
  • the temperature control medium channel of the base part and the temperature control medium channel of at least one side part and preferably the temperature control medium channels of both side parts can be simultaneously supplied, at least at times, with different temperature control medium or with temperature control medium of different temperature.
  • the base part and the side parts preferably each have dedicated or separate coupling devices, by means of which in each case a flow connection to temperature control medium can be produced and/or can be broken.
  • the base part can preferably have two coupling devices, wherein particularly preferably one coupling device is used for feeding flowable medium and the other is used for discharging flowable medium.
  • the base part can also have more than two, preferably at least four coupling devices.
  • it has different coupling devices, by means of which for example both cool water and also warm water can be fed in and can be discharged.
  • a flow connection can also be produced in each case between a channel between two different parts of a blow moulding device.
  • the apparatus can be designed in such a way that the base parts and the side parts of the blow mould devices, preferably jointly and particularly preferably individually, can be supplied with flowable medium or temperature-controlled.
  • the apparatus can also be designed in such a way that in each case the blow mould supports can also be individually supplied with flowable medium or temperature-controlled. Consequently at least one side part, preferably the side parts, and/or the base part and/or the blow mould supports can have at least one and preferably at least two (advantageously precisely two) coupling devices.
  • the changing device is preferably designed in such a way as to operate the coupling devices of at least two different parts of the blow moulding device, preferably the coupling device of a base part and of at least one side part and/or of at least one blow mould support.
  • the changing device is a changing robot or a handling manipulator and the changing operation preferably takes place automatically or semi-automatically.
  • the reshaping station has at least two and preferably a plurality of coupling devices and/or the changing device has at least two and preferably a plurality of interfaces for breaking and/or making a flow connection.
  • the changing device can have a plurality of gripping arms or one gripping arm or one gripping device with a plurality of interfaces.
  • the interfaces are preferably designed in such a way that in each case they can be advanced towards a coupling device and can separate and/or connect this coupling device.
  • the reshaping station has at least two coupling to devices which are arranged at height levels substantially different from one another.
  • the media couplings can be arranged at different height levels.
  • a height level is understood to be one which (by comparison with the base plane) of the apparatus is a horizontal plane.
  • at least two coupling devices which can be operated by the changing device have vertical spacings with respect to the base which differ from one another.
  • the changing device should be able to operate (simultaneously) not only for instance two coupling devices which are symmetrical to one another, of which for instance one is arranged on one side part and the other on the second side part which in particular is symmetrical thereto, but for example the changing device should also be able to operate at least one coupling device on a base part of the apparatus and in addition to this (at least) one coupling device on one side part and/or on a blow mould support.
  • the reshaping station has at least two coupling devices, and the changing device is suitable and intended to separate and/or to connect the two coupling devices successively.
  • the changing device is suitable and intended to separate and/or to connect the two coupling devices successively.
  • the changing device is suitable and intended to separate and/or to connect the coupling device, in terms of time, before, during or after the gripping of the blow moulding device, and/or to break and/or to make a flow connection between the channel and the coupling device, but preferably still during an individual changing operation of a blow moulding device. Therefore the present invention augments the gripping device for the blow mould devices, preferred on a handling manipulator.
  • the blow mould devices are received in the gripping device as a mould set, for instance the base mould and the two shell moulds (that is to say the base part and two side parts).
  • a device which operates or uncouples the media couplings or the coupling devices before, while or after the blow mould devices are received in the (blow) mould support, is preferably located on the said gripping device or preferably on the handling manipulator itself.
  • the operator does not have to uncouple the media couplings or the coupling devices individually one after the other and the setup time decreases.
  • the coupling of the media couplings or the coupling devices is preferred again performed by the operator.
  • the individual interfaces of the changing device for operating a coupling device that is to say for separating or connecting a coupling device, are preferably arranged at least partially and preferably completely on or at the gripping device.
  • the changing device couples the media couplings or the coupling devices during or after the insertion of the (new) blow moulding devices into the (blow) mould support.
  • the apparatus or the changing device is preferably suitable and intended such that the changing device, which is preferably a robot, or the gripping device thereof, performs both the changing operation of the blow moulding device and also separates and/or connects at least one coupling device or media coupling (preferably at least all coupling devices or media couplings to be separated for performing the changing operation).
  • the robot carries out both the change of blow mould and also the coupling.
  • the changing device is preferably suitable and intended for carrying out the change of blow mould fully automatically.
  • the apparatus is suitable and intended, in response to an activating signal, which can preferably be transmitted to the apparatus by an operator for instance by means of actuation of a switching element and/or by a control device, to activate a changing mode which differs from the mode of operation the apparatus.
  • an activating signal which can preferably be transmitted to the apparatus by an operator for instance by means of actuation of a switching element and/or by a control device, to activate a changing mode which differs from the mode of operation the apparatus.
  • the transport device can be operated at a reduced transport speed and/or individual devices, such as a feed device which feeds the plastic preforms to the blow moulding station, are not operated.
  • an automatic uncoupling sequence is activated, which preferably includes a step in which by means of a switching element, which is preferably stationary, in particular from the exterior or from outside a housing of the apparatus, at least one coupling device and preferably all coupling devices to be separated are preferably, at least at times, activated or separated simultaneously or successively.
  • the automatic uncoupling sequence preferably also includes the step in which a fully automatic switching of at least one blow moulding device and preferably all blow moulding devices is carried out.
  • the automatic uncoupling sequence preferably includes the following step in which by means of a switching element, which is preferably stationary, in particular from the exterior or from outside a housing of the apparatus, at least one coupling device and preferably all coupling devices to be connected are preferably, at least at times, activated or connected to simultaneously or successively.
  • a switching element which is preferably stationary, in particular from the exterior or from outside a housing of the apparatus.
  • the changing device is preferably a robot.
  • an interaction between the operator and the robot is preferably provided.
  • a changing operation of the blow moulding device takes place in substantially three process steps.
  • a first process step all connections or coupling devices (to be separated) are preferably uncoupled by an operator in a semi-automatic blow moulding wheel movement.
  • a second (subsequent) process step the blow mould devices are changed fully automatically (by the changing device).
  • all coupling devices or connections (to be separated) are preferably again coupled or connected by an operator in a semi-automatic blow moulding wheel movement.
  • the semi-automatic blow moulding wheel movement can preferably be an operation of the reshaping device in a predetermined changing mode, in which for example the blow moulding wheel or the individual blow moulding stations/reshaping stations are rotated at a speed of rotation which is reduced by comparison with an operating mode.
  • the changing device is a handling manipulator.
  • the operation of the handling manipulator preferably takes place by an operator, which preferably likewise couples and/or uncouples or disconnects and/or connects the media connections or the coupling device(s) (preferably at least all of them which are to be separated for performing the changing operation).
  • the or at least one coupling device and preferably all coupling devices to be operated by the changing device is/are preferably a plug connection.
  • the or at least one coupling device and preferably all coupling devices to be operated by the changing device is/are preferably configured to be self-sealing. This offers the advantage, that in the event of decoupling of the coupling device there is no dripping of the medium.
  • the or at least one coupling device and preferably all coupling devices to be operated by the changing device is/are a quick-release coupling for gases and/or fluids.
  • a pneumatic connection for releasing a latching of a blow moulding device can be produced by the changing device.
  • the blow moulds or the blow moulding devices are preferably latched in the (blow) mould support by a spring-preloaded unit. In order to unlatch the blow moulds or the blow moulding devices, this unit must be supplied with compressed air. This preferably takes place manually with the handling manipulator during the change of blow mould.
  • Docking preferably takes place with a device on the gripping device or on the handling manipulator itself (or on the changing device) at the reshaping station and preferably on a blow mould support, for example by means of a cone and/or a conical hole, preferably in the blow mould support, and preferably the air supply of the blow moulding station is preferably produced by means of a seal.
  • a device for uncoupling or coupling the media couplings or the coupling devices is also conceivable on a mould change robot.
  • the changing device has means for supplying a channel and/or a coupling device with flowable medium and in particular a source of flowable medium.
  • a reshaping station and in particular a blow mould support or a latching of a blow moulding device through can be supplied with compressed air by the changing device.
  • the changing device can also produce only one fluid connection between a reshaping station and a stationary or mobile media supply, so that ultimately preferred for instance a latching of a blow moulding device to a blow mould support can preferably be unlatched by application of compressed air.
  • the flowable medium or the temperature control medium is a flowable temperature control medium or temperature control means preferably for temperature control of at least a part of the blow moulding device.
  • the temperature control medium or temperature control means is preferably a liquid, such as for example water or cool water. However, this can also be warm water or both.
  • the temperature control medium or temperature control means is preferably also oil.
  • the apparatus is arranged in a clean room.
  • the production or expansion (and also the filling) of the containers takes place inside a space with a low-contamination environment, which can be in particular a clean room.
  • the clean room surrounds the transport path of the containers (at least partially and preferably at least in the region in which the blow moulding wheel is arranged) like a channel.
  • this clean room is delimited by means of at least one wall relative to unsterile surroundings.
  • the changing device can likewise be arranged inside the clean room, particularly preferably not only in a changing mode but also in an expansion mode of the apparatus.
  • the present invention is directed to a method for operating an apparatus for reshaping plastic preforms into plastic containers with a transport device which transports the plastic preforms along a predetermined transport path, wherein the transport device has a movable station support arranged at least indirectly on a stationary base support on which a plurality of transforming stations are arranged, wherein these transforming stations each have blow moulding devices which each form cavities or each form a cavity within which the plastic preforms can be transformed into the plastic containers and these blow moulding devices are each arranged on blow mould supports, wherein the apparatus has a changing device which is suitable and intended in order, in a changing mode of the system, at least to remove the blow mould devices from their blow mould supports and/or to arrange blow mould devices on the blow mould supports, wherein this changing device has at least one gripping device for gripping the blow mould device, wherein the gripping device is suitable for selectively changing a complete blow moulding device or only parts of the blow moulding device, wherein the reshaping station and in particular the blow mould
  • the changing device separates and/or connects the coupling device and/or breaks a flow connection between the channel and the coupling device and/or makes a flow connection between the channel and the coupling device.
  • the separation and/or connection of the coupling decisions preferably takes place in a changing mode of the apparatus which differs from a normal operating mode.
  • the changing device preferably releases at least one coupling device, and preferably all of the coupling devices to be operated during a change of blow mould, independently or automatically and thus preferably without action by an operator.
  • the method can preferably be provided with all features described in connection with the apparatus individually or in combination with several of these features (and also vice versa).
  • the changing device can not only receive or use a blow moulding device, but also break and/or make a flow connection simultaneously or with a time delay, preferably between a blow moulding device and a further element of the apparatus.
  • the changing device preferably separates and/or connects coupling devices which are arranged at different height levels in the operational state of the apparatus.
  • the changing device preferably separates and/or connects coupling devices, of which preferably one is arranged on a base part of the blow moulding device and at least one is arranged on a side part of the blow moulding device.
  • a separation or a connection of at least one coupling device can preferably be triggered by a gripping movement of the gripping device or can be correlated therewith (over time).
  • the changing device separates and/or connects at least two coupling devices successively. This offers the advantage that with one and the same interface the changing device can for instance separate and/or connect different coupling devices.
  • the changing device merely performs a separation of at least one coupling device and/or at least one flow connection between the channel and the coupling device, whilst a connection of the coupling device and/or production of a flow connection between the channel and the coupling device takes place manually.
  • FIG. 1 shows a schematic representation of an apparatus according to the invention
  • FIG. 2 shows a perspective view of a further embodiment of the invention
  • FIG. 3 shows a representation of a user with a blow moulding device
  • FIG. 4 shows a representation of a user with a holding device
  • FIG. 5 shows a representation of a coupling device in the disconnected state
  • FIG. 6 shows a representation of the coupling device according to FIG. 5 in a connected state.
  • FIG. 1 shows a schematic representation of an apparatus 1 for reshaping plastic preforms 10 into plastic containers 20 .
  • the plastic preforms 10 are fed to the individual reshaping stations 8 and are expanded to form plastic containers 20 , preferably while they are being transported by a transport device 2 . After this expansion the plastic containers 20 are removed from the apparatus 1 again.
  • a feed starwheel can be provided which delivers the plastic parisons to the apparatus 1 and also a discharge device, in particular likewise a transport starwheel, which discharges the finished containers 20 from the apparatus.
  • the system 1 has a station support 12 on which a plurality of transforming stations 8 are disposed. In this case this station support may be for example, as shown in FIG.
  • blow moulding wheel which is rotatable with respect to an axis of rotation D (which here extends perpendicular to the drawing plane and thus vertically).
  • Each individual transforming station has a respective blow moulding device 14 .
  • This blow moulding device 14 is composed of two side parts and a base part. These blow moulding devices can be replaced according to the invention. In this case the blow mould devices 14 are arranged on blow mould supports 16 and can be removed therefrom or arranged thereon.
  • the reference 40 identifies a changing device which serves to remove the blow mould devices from their blow mould supports or to dispose the blow mould devices on the blow mould supports.
  • the reference 6 identifies a base support on which the station support 12 is rotatably mounted.
  • the changing device 40 is also arranged on or adjacent to the base support 6 .
  • the reference sign 18 identifies a housing, which at least partially surrounds the station support 12 , but which can preferably also enclose or house the changeover device 40 .
  • the housing preferably disconnects its interior, which is designed as a sterile room or a clean room, from a normal atmosphere.
  • the changing device 40 is preferably also arranged outside the housing 18 or before or in the periphery of the blow moulding machine or the transforming device 1 .
  • the apparatus 1 as well as the changing device 40 are preferably suitable and intended to engage in the blow moulding machine or the transforming device 1 from the exterior of the housing 18 , preferably through the housing 18 .
  • the reference W designates a changing position.
  • the blow moulding devices are preferably replaced at a specific changing position. This means that the transforming stations can be moved successively into this changing position W by a rotation of the support 12 and then in this changing position the old blow moulding devices can be removed and preferably also new blow moulding devices can be delivered.
  • the reference R designates a radial direction. In this radial direction the changing device or a gripping device of the changing device is preferably delivered to the transforming stations or the blow mould devices in order to change them.
  • FIG. 2 shows a perspective view of a further embodiment of the invention.
  • the changing device 40 is configured as a so-called manipulator which can be operated by a user B.
  • This manipulator 40 has a gripping device 52 which serves for holding the blow moulding device 14 .
  • This gripping device is arranged on an arm 54 and this arm in turn is arranged on an arm 56 .
  • the reference 57 designates a further arm on which the arm 56 is arranged.
  • the user can bring the gripping device to the reshaping device 8 and can connect it to the blow moulding device. Furthermore, by means of the changing device 40 the user B can release a latching of the blow moulding device, for example on the blow mould support 14 , by application of compressed air, which is provided for instance by the changing device 40 . Then the blow moulding device can be received from the changing device 40 . Then the user B can move the blow moulding device 14 by means of the changing device 40 to the magazine and can place it there.
  • FIG. 3 shows a representation of a user carrying a blow moulding device 14 .
  • the reference signs 14 a , 14 b , and 14 c designate the individual components of the blow mould device, namely the side parts thereof as well as the base part ( 14 c ).
  • the reference 90 designates a holding device which serves for holding the blow moulding device 14 .
  • this holding device 90 can be configured in such a way that on the one hand it can be connected to a changing device 40 , but on the other hand it can also be held by the user B.
  • FIG. 4 shows a user B who is only holding the holding device 90 . As can be seen, this latter can be configured so that it can preferably be held on one side by the user B.
  • FIGS. 5 and 6 show a coupling device 62 , with the aid of which a flow connection between a first channel 60 and a second channel 64 can be made or can be broken.
  • the changing device 40 can for instance carry out such breaking or making of a flow connection between two channels.
  • FIG. 5 shows the coupling device 62 in a disconnected state, in which therefore no flow connection exists between the channel 60 and the second channel 64 .
  • the coupling device 62 is shown in FIG. 6 in a connected state, in which a flow connection exists between the channel 60 and the second channel 64 .
  • the coupling device 62 In the connected state the coupling device 62 a flowable medium can preferably be fed to the channel 60 or is extracted therefrom and in this way a part of a blow moulding device 14 or of the blow mould support 16 can be temperature-controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
US16/635,017 2017-08-02 2018-08-02 Apparatus and method for operating media couplings on a blow mould Abandoned US20200156303A1 (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DE102017117576.8 2017-08-02
DE102017117576.8A DE102017117576A1 (de) 2017-08-02 2017-08-02 Wechselvorgang von Blasformen mittels Wechseleinrichtung
DE102017117533.4A DE102017117533A1 (de) 2017-08-02 2017-08-02 Automatischer Blasformwechsel
DE102017117533.4 2017-08-02
DE102017119816.4 2017-08-29
DE102017119817.2 2017-08-29
DE102017119816.4A DE102017119816A1 (de) 2017-08-29 2017-08-29 Vorrichtung und Verfahren zum Bedienen von Medienkupplungen an einer Blasform
DE102017119817.2A DE102017119817A1 (de) 2017-08-29 2017-08-29 Vorrichtung und Verfahren zum An- und Abkuppeln von Medienkupplungen an der Bodenform
DE102017129576.3 2017-12-12
DE102017129576.3A DE102017129576A1 (de) 2017-12-12 2017-12-12 Vorrichtung und Verfahren zum Umformen von Kunststoffvorformlingen zu Kunststoffbehältnissen mit Bodenformtemperierung
PCT/EP2018/071011 WO2019025552A1 (de) 2017-08-02 2018-08-02 Vorrichtung und verfahren zum bedienen von medienkupplungen an einer blasform

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US20200156303A1 true US20200156303A1 (en) 2020-05-21

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US16/635,037 Active US11541589B2 (en) 2017-08-02 2018-08-02 Apparatus and method for coupling and uncoupling media couplings on the base mould
US16/635,031 Active 2038-09-14 US11203142B2 (en) 2017-08-02 2018-08-02 Automatic change of blow mould
US16/635,017 Abandoned US20200156303A1 (en) 2017-08-02 2018-08-02 Apparatus and method for operating media couplings on a blow mould

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US16/635,037 Active US11541589B2 (en) 2017-08-02 2018-08-02 Apparatus and method for coupling and uncoupling media couplings on the base mould
US16/635,031 Active 2038-09-14 US11203142B2 (en) 2017-08-02 2018-08-02 Automatic change of blow mould

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US (3) US11541589B2 (de)
EP (4) EP3661726B1 (de)
CN (3) CN213321655U (de)
WO (5) WO2019025547A1 (de)

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DE102018126706A1 (de) * 2018-10-25 2020-04-30 Krones Ag Blasformvorrichtung umfassend eine Temperiervorrichtung

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WO2019025547A1 (de) 2019-02-07
EP3661726A1 (de) 2020-06-10
US20200238593A1 (en) 2020-07-30
CN213321655U (zh) 2021-06-01
EP3661725A1 (de) 2020-06-10
CN212888874U (zh) 2021-04-06
CN213006500U (zh) 2021-04-20
EP3661725B1 (de) 2022-01-19
US11541589B2 (en) 2023-01-03
WO2019025552A1 (de) 2019-02-07
EP3950268B1 (de) 2023-07-26
US11203142B2 (en) 2021-12-21
EP3661727A1 (de) 2020-06-10
EP3661726B1 (de) 2021-09-22
WO2019025551A1 (de) 2019-02-07
EP3661727B1 (de) 2021-12-08
WO2019025549A1 (de) 2019-02-07
EP3950268A1 (de) 2022-02-09
US20200238589A1 (en) 2020-07-30
WO2019025550A1 (de) 2019-02-07

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