WO2017167430A1 - Procédé de fabrication d'un composant, en particulier pour un véhicule - Google Patents

Procédé de fabrication d'un composant, en particulier pour un véhicule Download PDF

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Publication number
WO2017167430A1
WO2017167430A1 PCT/EP2017/000268 EP2017000268W WO2017167430A1 WO 2017167430 A1 WO2017167430 A1 WO 2017167430A1 EP 2017000268 W EP2017000268 W EP 2017000268W WO 2017167430 A1 WO2017167430 A1 WO 2017167430A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
layer
tool
plastic
carrier element
Prior art date
Application number
PCT/EP2017/000268
Other languages
German (de)
English (en)
Inventor
Hubert Bieder
Tobias Blumenstock
Christoph Menzel
Benno Stamp
Original Assignee
Daimler Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler Ag filed Critical Daimler Ag
Publication of WO2017167430A1 publication Critical patent/WO2017167430A1/fr

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Classifications

    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0073—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor of non-flat surfaces, e.g. curved, profiled
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/025—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material applied by a die matching with the profile of the surface of resilient articles, e.g. cushions, seat pads
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/007—Lining or sheathing in combination with forming the article to be lined
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C2045/0079—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping applying a coating or covering
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/569—Shaping and joining components with different densities or hardness
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • 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
    • B29L2009/00—Layered products
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

Definitions

  • the invention relates to a method for producing a component, in particular for a vehicle, according to the preamble of patent claim 1.
  • Such a method for producing a component in particular for a
  • At least one attachment of the component is produced by injection molding of at least one plastic.
  • the attachment is made of at least one plastic by performing an injection molding process by means of which the attachment is made.
  • the attachment is first produced by injection molding and then pressed over with a fiber mat.
  • EP 1 917 134 B1 discloses a method for producing a component with a carrier layer and a decorative layer with an additional plastic molded part arranged thereon.
  • DE 195 18 124 C1 discloses a device for generating
  • thermoplastic parts made of thermoplastic material according to the injection molding technique, according to which a mold cavity of a mold is injected by a plasticizing unit via a spray nozzle and melt channels contained in the mold with plastic melt.
  • a plasticizing unit via a spray nozzle and melt channels contained in the mold with plastic melt.
  • a flat strand of plastic melt is placed on the lower mold half of the mold by means of a connected to a plasticizing spray nozzle and pressed inextricably at the interposition of a cover layer by lowering the upper mold half with the cover layer.
  • Object of the present invention is to develop a method of the type mentioned in such a way that the device produced particularly cost can be, which can avoid unwanted marks on at least one side of the device.
  • a first step is provided according to the invention, in which a At least one layer exhibiting component of the device is provided.
  • the component is used to manufacture the
  • the component Used in the context of the first step, the component, for example, in its manufactured state.
  • the method comprises a second step in which the at least one attachment is produced by injection molding by spraying the plastic from which the attachment is made against a first side of the provided and, for example, already manufactured component.
  • the plastic and thus the at least one attachment to the component, in particular to the first side of the component, are molded, whereby the component is provided with the plastic or with the attachment.
  • the method according to the invention also comprises a third step, which adjoins the second step in terms of time.
  • a carrier element having at least one layer is arranged on a second side of the component remote from the first side, wherein the carrier element is arranged between the component and at least one tool element.
  • the method according to the invention comprises a fourth step, which, for example, follows the third step in time. In the fourth step, which is arranged on the second side
  • Carrier element is pressed with the provided with the at least one attachment component at least by means of the tool element, whereby the carrier element is connected to the component and with the at least one molded-on to the first side attachment. Since the carrier element is arranged on the first side and thus the at least one attachment remote from the second side is the component and thus the attachment with the
  • Support element which is also referred to as a carrier material, behind pressed.
  • the component and / or the carrier element are formed during the pressing, wherein this deformation is effected, for example, at least by means of the tool element.
  • any markings caused by the injection molding can be made on the second side of the component
  • the support element is not only the cover or lamination, for example
  • the finished manufactured component thus has at least two layers, so that particularly advantageous mechanical properties, such as an advantageous rigidity of the component, can be realized.
  • the carrier element thus has a dual function, an additional, subsequent and thus time-consuming and costly laminating process can be avoided, so that the device can be produced by the method according to the invention particularly time-consuming and cost-effective while avoiding visually perceptible marks.
  • the invention is based in particular on the knowledge that in modern
  • Vehicles especially cars, pressed and injection-molded components are used, which must be laminated later.
  • Vehicles especially cars, pressed and injection-molded components are used, which must be laminated later.
  • Components are, for example, interior components which are used, for example, as interior trim parts in an interior of a vehicle.
  • the subsequent laminating requires at least one more
  • Injection pressure by means of which the plastic is injection-molded, are used, whereby, however, an undesired change or
  • Impairment of a decorative layer can come. This also leads to visually perceptible marks.
  • the method according to the invention can be easily and thus
  • Carrier element are connected by the carrier element is pressed with the component.
  • unwanted influences in particular pressure and temperature influences, on the attachment and on the first side or on a surface arranged on the first side of the component can be avoided in the inventive method.
  • Another advantage of the method according to the invention is that the inventive method, the use of weight-optimized
  • Sandwich materials allows, for example, as the component
  • Composite element in particular as a sandwich composite component, can be produced.
  • the attachment is, for example, a functional element.
  • Attachment is formed for example as a rib, which can act as a stiffening rib for stiffening the component or the component as a whole.
  • the attachment as a so-called
  • connection point is formed.
  • a connection point is for example a connecting element, by means of which the component can be connected to at least one further component of the vehicle. The fact that the component is pressed back with the carrier element, a direct lamination of the component without
  • the device zei and can be produced inexpensively. Since in each case at least one layer is formed by the component and the carrier element, a layer structure of the component can be realized, so that the finished manufactured component has a layer composite, in particular a sandwich composite, which comprises at least two layers arranged on top of each other. In particular, this makes it possible to realize a sandwich construction of the component, so that the weight of the component can be kept particularly low while simultaneously achieving advantageous mechanical properties.
  • functional integration can be represented by the use of injection molding.
  • injection molding is meant the injection molding, by means of which the at least one attachment is molded onto the component. Another advantage is that that
  • Component in particular the support element, can be decorated directly by means of only low process pressures, so that undesirable, caused by excessively high process pressures impairments can be avoided.
  • the plastic is injected against the first side by means of at least one second tool element, wherein the arranged between the tool elements component is pressed by means of the second tool element with the arranged between the tool elements carrier element.
  • the second tool element not only for injection molding, but also for pressing or pressing behind the component and the
  • Carrier element is used, so that the process can be carried out particularly time and cost.
  • a further embodiment is characterized in that in the spraying of the plastic, the component is supported by means of the same, arranged on the second side of the component tool element, by means of which the carrier element is pressed with the component.
  • the plastic is sprayed against the first side, a process pressure and forces resulting therefrom, which, for example, on the second side facing away from the first side, act on the component by means of the
  • a different from the tool element third tool element to support the forces acting on the component during injection molding.
  • the carrier element is heated and pressed in a heated state with the component.
  • the carrier element is heated by means of at least one heating device.
  • a further embodiment is characterized in that, before the carrier element is arranged between the tool element and the component, the carrier element is heated, arranged in a heated state between the tool element and the component and pressed in a heated state with the component.
  • the carrier element can be heated particularly advantageous and then pressed with the component and in particular connected and optionally formed.
  • At least one adhesive layer is arranged between the carrier element and the component, via which the component is glued to the carrier element.
  • the component is produced as a composite element.
  • the composite element comprises a
  • the cover layer comprises reinforcing fibers and a thermoplastic matrix in which the reinforcing fibers are embedded.
  • the fiber-reinforced plastic of the cover layer is a fiber-reinforced thermoplastic, wherein the thermoplastic is preferably polypropylene (PP).
  • the Cover layer is thus preferably formed as a thermoplastic fiber-reinforced cover layer, so that the fiber-reinforced plastic is a thermoplastic.
  • the reinforcing fibers are preferably glass fibers, natural fibers and / or carbon fibers or carbon fibers, wherein the cover layer alternatively or additionally may comprise a nonwoven fabric, in particular a hybrid nonwoven fabric, and wherein for example the reinforcing fibers are formed or provided by this nonwoven fabric.
  • the cover layer at least one
  • Organo sheet has or is at least formed from an organic sheet. Furthermore, it is conceivable that the cover layer has at least one fabric, in particular a hybrid weave.
  • Plastic foam a thermoplastic or a thermoplastic
  • Plastic foam is.
  • the plastic foam is preferably formed from a thermoplastic.
  • the plastic foam is made
  • PET Polyethylene terephthalate
  • a decorative layer is arranged at least indirectly on the cover layer, wherein the decorative layer is arranged, for example, on a side of the cover layer facing away from the core layer.
  • the decorative layer is formed for example as a textile layer and / or may be formed from polyester.
  • a further embodiment is characterized in that the core layer and / or the cover layer are formed by the carrier element.
  • the at least one layer of the carrier element is the core layer or the cover layer of the composite element.
  • the core layer and / or the cover layer are formed by the component.
  • the at least one layer of the component is the core layer or the cover layer.
  • the component is designed as a sandwich composite component and thereby has at least said core layer, said cover layer and at least one further cover layer, wherein the core layer is arranged between the cover layers, which are arranged at least indirectly on the core layer.
  • the aforementioned composite layer is, for example, a sandwich composite comprising at least the core layer and the cover layers.
  • the sandwich composite for example, a so-called micro-sandwich, from which the composite element is at least partially made or will.
  • Micro sandwich thus comprises the core layer, which preferably as
  • thermoplastic foam core is formed. Furthermore, the micro-sandwich comprises one or more cover layers, wherein the cover layer is preferably formed as a thermoplastic fiber-reinforced cover layer. Sandwich composite components
  • Micro sandwich can be pressed in a so-called one-shot process with a decor or with a decorative layer and thereby injected directly behind. In this process, however, can occur on sensitive surfaces decals on a surface. Even by reducing the injection pressures a back splash without marks on sensitive decors is not possible.
  • Fig. 1 is a schematic representation of a method for producing a
  • Fig. 2 is a schematic representation of another method for producing a component for a vehicle, wherein Fig. 2 serves to explain the background of the invention
  • Fig. 3 is a schematic representation of another method for producing a component for a vehicle, wherein Fig. 3 serves to explain the background of the invention
  • Fig. 4 is a schematic representation of a first embodiment of a
  • Fig. 5 is a schematic representation of a second embodiment of the
  • Fig. 1 shows a schematic representation of a method for producing a component for a vehicle, in particular a motor vehicle such as a passenger car.
  • the component is used for example as an interior component and comes in the interior of the vehicle, in particular as an interior trim part, used.
  • the component is formed as a composite element, in particular as a sandwich composite component, wherein the component in its finished state comprises a core layer 10 of a plastic foam and cover layers 12 and 14, wherein the core layer 10 between the cover layers 12 and 14 is arranged.
  • the cover layers 12 and 14 are arranged on opposite sides of the core layer 10, wherein the cover layers 12 and 14 are arranged at least indirectly on the core layer 10.
  • the respective cover layer 12 or 14 is formed from a fiber-reinforced plastic, wherein the respective cover layer 12 or 14 Reinforcing fibers and a plastic as a matrix, in which the reinforcing fibers are embedded.
  • the plastic from which the matrix is formed is preferably a thermoplastic such as polypropylene (PP).
  • PP polypropylene
  • the plastic foam of polyethylene terephthalate (PET) is formed, so that the
  • Core layer 10 is formed as a thermoplastic foam core.
  • the cover layers 12 and 14 and the core layer 10 are constituents of a sandwich composite designated as a whole by 16, which is a layer composite.
  • the cover layers 12 and 14 and the core layer 10 form respective layers of the layer composite or of the sandwich composite 16.
  • the sandwich composite 16 comprises further layers 18 and 20, which are optionally provided.
  • the layer 18 is arranged between the cover layer 12 and the core layer 10, the layer 20 being arranged between the core layer 10 and the cover layer 14.
  • the layers 18 and 20 are for example
  • Cover layers 12 and 14 are connected to the core layer 10.
  • an adhesive layer can be or are formed by the respective layer 18 or 20 so that the respective cover layer 12 or 14 is adhesively bonded to the core layer 10 via the respective adhesive layer and is thereby connected.
  • the respective layer 18 or 20 is formed, for example, from a plastic, wherein the respective layer 18 or 20 may be formed, for example, from a film, in particular a plastic film.
  • the film is made of polypropylene or PET.
  • the method comprises a first step S1, in which an injection molding tool 22 is used which has a first tool half 24 and a second tool half
  • Tool half 26 includes. The tool halves 24 and 26 are respective
  • add-on parts 28 of the component are produced by injection molding, that is to say by means of the mentioned injection molding method, from at least one plastic.
  • the tool half 24 includes a channel system 30, in which the plastic, from which the attachment parts 28 are produced, is injected.
  • the attachments 28 are, for example, ribs, which can act as stiffening ribs for stiffening the component.
  • the plastic from which the add-on parts 28 are produced is injected into the channel system 30 in a liquid state, whereupon the plastic from which the add-on parts 28 are manufactured at least partially, in particular completely, hardens or solidifies.
  • a second step S2 preferably following the first step S1, the tool half 26 is removed and replaced by a second step S2, for example
  • Heating mirror trained heating element 32 replaced.
  • respective contact surfaces of the attachments 28 are heated, in particular such that the attachments 28 are melted at the contact surfaces.
  • the molded attachments 28 are reheated at their contact surfaces by means of the heating mirror and thereby begin to plasticize.
  • a third step S3 which can be carried out, for example, at least partially simultaneously with the first step S1 and / or with the second step S2, the sandwich composite 16 described above is heated or heated by means of a tool 34.
  • a fourth step S4 the attachments 28 are over their heated and thereby melted or plasticized
  • a tool half 36 is used, so that the attachments 28 are pressed in the said state by means of the tool halves 24 and 36 against the sandwich composite 16 or pressed with the sandwich composite 16.
  • the tool half 36 can be the tool half 26 or the heating element 32.
  • the tool half 36 is a tool half, which is different from the tool half 26 and from the heating element 32 and additionally provided for this purpose.
  • the sandwich composite 16 forms a carrier material or a
  • Carrier element which is back-pressed with the attachments 28 in the manner described, in particular is pressed directly behind.
  • a heating mirror instead of a heating mirror, alternatively or additionally, radiant heat and / or hot air and / or another heat source can be used for heating the add-on parts 28, in particular the contact surfaces.
  • the sandwich composite 16 be provided in a separate tool in the form of the tool 34 is heated.
  • the tool 34 is a different tool from the injection molding tool 22 and the tool halves 24, 26 and 36 and the heating element 32.
  • the sandwich composite 16 by means of
  • Tool 34 is heated prior to step S2 and / or during step S2, so that the attachment parts 28 via their fused or plasticized contact surfaces directly after plasticizing the contact surfaces against the
  • Sandwich composite 16 can be pressed in the heated state.
  • FIG. 2 shows a further, alternative method for producing the described component.
  • the attachments 28 are on the first step S1 '.
  • first step S1 ' may correspond to the first step S1.
  • second step S2 ' is the
  • Sandwich composite 16 is heated, wherein the second step S2 'may correspond to the third step S3.
  • the attachments 28 are pressed against the sandwich composite 16 in its heated state, so that the third step S3' may correspond to the fourth step S4.
  • the method illustrated in FIG. 2 differs in particular from the method illustrated in FIG. 1 in that, after their manufacture or after their solidification, the attachments 28 are not heated by means of a separate heating element, but instead after the attachments 28 have been sprayed Injection of the plastic, from which the attachments 28 are made, in the channel system 30 is the
  • Tool half 26 moves so fast or moved so fast to the tool half 36 and pressed so fast against the sandwich composite 16 that the
  • injection-molded attachments 28 are still sufficiently warm or still contain sufficient heat to the heated and thereby hot cover layer 14, a compound, in particular a cohesive and / or positive
  • Fig. 3 shows another method of manufacturing said device.
  • a first step S1 " is performed, which may correspond to the respective first step S1 or S1 '.
  • the sandwich composite 16 is heated by means of the tool 34, wherein at least parts of the second step S2" can correspond to the second step S2 'and the third step S3, respectively.
  • the method illustrated with reference to FIG. 3 differs in particular from the respective method illustrated in FIGS. 1 and 2 in that for the connection of the sprayed attachment parts 28 with the sandwich composite 16, an additional adhesion promoter layer 38 is used which, for example, forms part of the sandwich composite 16 or in the second step S2 "is heated with the sandwich composite 16.
  • the adhesion promoter layer 38 is arranged on the cover layer 14, so that in a third step S3" the sprayed attachment parts 28 against the
  • Adhesion promoter layer 38 is pressed and thus pressed together with the adhesion promoter layer 38 and with the sandwich composite 16. As a result, the attachments 28 are under
  • an adhesive layer is formed by the adhesion promoter layer 38, which is applied to the sandwich composite 16, in particular to the cover layer 14, and makes it possible to connect the, for example, solidified attachment parts 28 to the warm cover layer 14.
  • both tool halves 24 and 36 are coated in order, for example, to avoid that the sandwich composite 16 over the
  • Adhesive layer 38 stick to the tool halves 24 and 36.
  • At least one decoration can be applied, in particular during the pressing.
  • This decor is formed for example by at least one decorative layer, which may be part of the sandwich composite 16.
  • the decorative layer is applied, for example, to that of the cover layers 12 and 14, which is arranged on the side facing away from the attachment 28 of the core layer 10.
  • the decorative layer is applied at least indirectly to the cover layer 12.
  • a corresponding injection pressure acts, which, however, can be kept low.
  • a pressure acting on the decor pressure can be kept very low, causing unwanted marks on at least one
  • a component 40 having at least one layer is provided, for example, the component 40 comprises a thermoplastic fleece.
  • the component 40 comprises fibers, in particular plastic fibers, embedded, for example, in a plastic of the component 40
  • the attachments 28 are made by injection molding by the first step S1 ".
  • Plastic, from which the attachments 28 are made, is sprayed against a first side 42 of the component 40. This means that in the second step S2 ", the plastic is injected into the channel system 30 and injected via the channel system 30 against the first side 42 and thus against the component 40.
  • the plastic from which the attachments 28 are made at least partially, in particular completely, solidify or harden.
  • a third step S3 subsequent to the second step S2' ", the sandwich composite 16 is arranged on a second side 44 of the component 40 facing away from the first side 42, the sandwich composite 16 representing a carrier element between the component 40 and the one Tool element performing tool half 36 is arranged.
  • a fourth step S4 ' arranged on the second side 44 support member with the component 40 at least by means of the tool half 36 and in the present case by means of the tool half 36 and the tool half 24 is pressed, so that the component 40 and thus the attachments 28 to the sandwich composite 16th
  • the component 40 is, for example, a thin thermoplastic fleece, which is back-injected with the attachments 28 in the manner described.
  • the component 40 may in particular serve as a cover layer of the sandwich composite 16 or it does not fulfill a mechanical function.
  • the component 40 is arranged at least indirectly on the cover layer 14 and thus comes in addition to the cover layer 14 is used. .
  • the sandwich composite 16 (carrier element or carrier material) is heated. Furthermore, in the fourth step S4 ', the sandwich composite 16 is pressed in its heated state with the component 40, so that the fourth step S4' preferably follows the fifth step S5. Further, it is possible and optionally provided herein, between the sandwich composite 16 and the component 40 a
  • Adhesive layer 38 to be arranged, through which, for example, an adhesive layer is formed.
  • the adhesion promoter layer 38 provides for a particularly advantageous adhesion between the sandwich composite 16 (carrier material) and the component 40 back-injected with the attachment parts 28, so that the component 40 is mediated or by means of the adhesion promoter layer 38 to the sandwich composite 16, in particular to the cover layer 14 or at the core layer 10, is connected.
  • layers 12 and 14 can optionally be used.
  • Sandwich composite 16 is heated or heated.
  • at least parts of the third step S3 '"or the fourth step S4' corresponding to the respective step S3" or S3 or the step S4 correspond, so that for example the tool half 24 moves away from the tool half 26 after spraying the attachments 38, in particular turned away, and in particular moved toward the tool half 36, in particular turned down, so that the
  • Sandwich composite 16 with the component 40 by means of the tool halves 24 and 36 can be pressed.
  • the component 40 or its layer can be, for example, a fleece, a fabric or a film.
  • the molded attachments 28 are preferably a solid, in particular cohesive and / or positive, connection with the component 40, in particular with its layer, a.
  • the tool half 24 is a
  • the tool half 36 is one of the tool half 26th
  • tool half 26 does not yet have the target contour or final contour of the component, but only used to support the injection pressure and thus resulting from the injection molding, acting on the component 40 forces.
  • the tool half 26 is removed and different from those of the tool half 26, additionally provided
  • Tool half 36 replaced which has the target contour or final contour of the device.
  • the removal of the tool half 26 and the replacement of the tool half 26 by the tool half 36 can be done for example by established, known in injection molding techniques such as sliding tables or turntables.
  • the tool half 36 is the tool half 26, so that the tool half 26 and 36 is used both in injection molding to support resulting from the injection molding, acting on the component 40 forces on the second side 44, as well as to is used to press the sandwich composite 16 with the component 40.
  • the sandwich composite 16 is required in
  • the sandwich composite 16 is a layer which is introduced in its heated state between the tool halves 24 and 36 and in particular between the component 40 and the tool half 36.
  • the sandwich composite 16 is pressed with the component 40, for example, such that the tool halves 24 and 36
  • the carrier element and / or the component 40 each have exactly one layer or several layers, wherein at least one layer of the sandwich composite 16 can be formed by the component 40.
  • An advantage of the method illustrated with reference to FIG. 4 is that the carrier material or
  • Carrier element acting sandwich assembly 16 is capable of any defects caused by injection marks on the component 40, in particular on its surface, to hide, so that these marks are no longer visible in the finished state of the device.
  • an adhesive layer may be used, which is arranged between the sandwich composite 16 and the component 40, so that the component 40 is bonded to the sandwich composite 16 by means of the adhesive layer. Furthermore, it is conceivable to introduce the component 40 in an at least partially melted state, in particular in the completely molten state. Here, for example, the plastic of the component 40 is at least partially melted.
  • the component 40 may be formed of a fiber-reinforced plastic.
  • the component 40 comprises, for example, a matrix formed from a plastic as well as reinforcing fibers embedded in the matrix, which are formed, for example, as glass fibers and / or natural fibers.
  • the matrix of the component 40 may be, for example, a thermoplastic, in particular polypropylene (PP).
  • PP polypropylene
  • the component 40 is formed from a PES fleece or has a PES fleece in order to be able to keep the costs particularly low (PES-polyethersulfone).
  • a non-woven which is formed from a fiber-reinforced plastic and thereby comprises a matrix of polypropylene and embedded in the matrix reinforcing fibers in the form of natural fibers.
  • the component 40 as a layer formed of a fiber reinforced plastic, having a matrix of polypropylene and reinforcing fibers in the form of natural fibers embedded in the matrix. It could be used as a support element, a micro sandwich, the For example, at least two outer layers and a foam core of PET disposed between the cover layers, wherein the cover layers are formed for example of a fiber-reinforced plastic and thereby a matrix of
  • micro sandwiches Includes micro sandwiches. It could be formed by the component 40, the cover layer 14, in which case the support member, for example, the core layer 10 and the
  • Cover layer 12 comprises.
  • the optional adhesive layer 38 can be seen, which, however, can be omitted.
  • FIG. 5 shows a second embodiment of the method illustrated in FIG. 4.
  • Tool halves 24, 26 and 36 are used, wherein the attachments 28 are sprayed by means of the tool half 24.
  • the forces occurring during injection molding and acting on the component 40 are supported.
  • the tool half 24 is moved away from the tool half 26 and moved to the tool half 36, which comes in addition to the tool half 26 is used.
  • the sandwich composite 16 is pressed with the component 40.
  • FIG. 5 shows particularly clearly that the fifth step S5 can be carried out at least partially before spraying the attachment parts 28 and / or at least partially during spraying of the attachment parts 28, so that the sandwich composite 16 in its still warm or heated state by means of Tool halves 24 and 36 can be pressed with the component 40.

Abstract

La présente invention concerne un procédé de fabrication d'un composant, en particulier pour un véhicule, dans lequel au moins une pièce rapportée (28) du composant est fabriquée par moulage par injection à partir d'au moins une matière plastique, ledit procédé comprenant les étapes consistant à: fournir un élément (40) du composant comportant au moins une couche (étape S1'''') ; fabriquer la pièce rapportée (28) par moulage par injection, la matière plastique étant injectée contre une première face (42) de l'élément (40) (étape S2''') ; à un instant suivant l'injection de la matière plastique contre la première face (42) : disposer un élément de support (16), comportant au moins une couche, sur une deuxième face (44) de l'élément (40) opposée à la première face (42), l'élément de support (16) étant disposé entre l'élément (40) et au moins un élément d'outil (36) (étape S3'''') ; et au moins au moyen de l'élément d'outil (36) : presser l'élément de support (16) disposé sur la deuxième face (44) avec l'élément (40).
PCT/EP2017/000268 2016-03-26 2017-02-24 Procédé de fabrication d'un composant, en particulier pour un véhicule WO2017167430A1 (fr)

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DE102016003755.5A DE102016003755A1 (de) 2016-03-26 2016-03-26 Verfahren zum Herstellen eines Bauelements, insbesondere für ein Fahrzeug

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19518124C1 (de) 1995-05-17 1996-12-19 Krauss Maffei Ag Vorrichtung zur Erzeugung von Formteilen aus thermoplastischem Kunststoff
WO1997047454A1 (fr) * 1996-06-10 1997-12-18 Lear Corporation Procede de fabrication d'un panneau en plastique moule
DE19704383A1 (de) * 1997-02-06 1998-08-13 Moeller Plast Gmbh Formteil und Verfahren zu seiner Herstellung
EP1917134B1 (fr) 2005-06-28 2011-10-26 Faurecia Innenraum Systeme GmbH Procede et outil pour la fabrication d'une piece structurale en plastique pourvue d'une couche de decoration et d'une couche de support et d'une piece moulee ajoutee a ladite piece structurale
EP2502723A1 (fr) 2011-03-21 2012-09-26 SMP Deutschland GmbH Procédé et dispositif de fabrication de composants de revêtement interne comprenant des éléments de montage renforcés en fibres pour véhicules automobiles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013857B4 (de) * 2006-03-23 2018-09-13 Toyota Boshoku Kabushiki Kaisha Verfahren zur Herstellung eines dekorierten Kunststoffformteils mit einer teilweisen Polsterung
DE102011100078A1 (de) * 2011-04-29 2012-10-31 Netstal-Maschinen Ag Formteil und Verfahren zu dessen Herstellung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19518124C1 (de) 1995-05-17 1996-12-19 Krauss Maffei Ag Vorrichtung zur Erzeugung von Formteilen aus thermoplastischem Kunststoff
WO1997047454A1 (fr) * 1996-06-10 1997-12-18 Lear Corporation Procede de fabrication d'un panneau en plastique moule
DE19704383A1 (de) * 1997-02-06 1998-08-13 Moeller Plast Gmbh Formteil und Verfahren zu seiner Herstellung
EP1917134B1 (fr) 2005-06-28 2011-10-26 Faurecia Innenraum Systeme GmbH Procede et outil pour la fabrication d'une piece structurale en plastique pourvue d'une couche de decoration et d'une couche de support et d'une piece moulee ajoutee a ladite piece structurale
EP2502723A1 (fr) 2011-03-21 2012-09-26 SMP Deutschland GmbH Procédé et dispositif de fabrication de composants de revêtement interne comprenant des éléments de montage renforcés en fibres pour véhicules automobiles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BURKLE E ET AL: "VERBUNDBAUTEILE MIT MEHRPROZESSANLAGEN WIRTSCHAFTLICH HERSTELLEN", KUNSTSTOFFE, CARL HANSER VERLAG, MUNCHEN, DE, vol. 81, no. 3, 1 March 1991 (1991-03-01), pages 192 - 198, XP000287480, ISSN: 0023-5563 *

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