Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B15/00—Layered products comprising a layer of metal
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
• • 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
  • B29C45/14311—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 using means for bonding the coating to the articles
• • 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
  • B29C45/14467—Joining articles or parts of a single article
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
  • B62D29/004—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material the metal being over-moulded by the synthetic material, e.g. in a mould
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
  • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
  • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
• • 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
  • B29C45/14311—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 using means for bonding the coating to the articles
  • B29C2045/14327—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 using means for bonding the coating to the articles anchoring by forcing the material to pass through a hole in the article
• • 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
  • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts

Definitions

• the invention relates to a plastic composite component which consists of at least two flat workpieces made of different materials, e.g. Made of metal and plastic, different metals or different plastics, which are connected to each other in their edge area, characterized in that the connections of the workpieces consist of molded thermoplastic material.
• thermoplastic material The form-fitting combination of flat components made of different materials is achieved by forming a thermoplastic material.
• the composite component fulfills different technical functions in different areas. It connects e.g. high-strength, temperature-resistant and KTL-compatible components with tailor-made workpieces in functional zones.
• Composite components or semi-finished products used in practice consist of e.g. areal connections, where e.g. two metal sheets are connected to a sandwich structure with the aid of an intermediate plastic or plastic foam (cf. EP 489 320 AI, EP 285 974 AI and EP 547 664 A2).
• an intermediate plastic or plastic foam cf. EP 489 320 AI, EP 285 974 AI and EP 547 664 A2.
• EP 775 573 A2 There is also a method for connecting sheet metal by a combination of presses and injection molding in one tool.
• plastic / metal composite components are known in which metal sheets are supported by rib structures (EP 370 342 A3).
• the composite components and composite semi-finished products that are customary in the prior art or described in the literature are designed to cover the entire component to achieve uniform high strength and rigidity or sound and heat insulation.
• the invention is therefore based on the object of providing a composite component of the type mentioned at the outset which connects the particular acoustic, mechanical, optical or other material properties required in the different areas of the component to the particular functions of the component which are to be performed.
• thermoplastic are made of materials, which are positively connected to each other by forming a thermoplastic.
• the invention relates to a plastic composite component consisting of at least two flat workpieces made of different materials, in particular made of different metals, different plastics, or metal and plastic parts which are connected to one another in their edge area, characterized in that the connection point is made of molded, there is in particular molded thermoplastic and in particular at least one workpiece in the area of the connection point is penetrated by the thermoplastic or is positively enclosed.
• Suitable high-strength metal materials are steel, aluminum, magnesium.
• the workpieces can also consist of ceramic, thermosets or plastic composite materials.
• thermoplastic both as material for the workpieces and for the connection point, there are unreinforced or reinforced, optionally filled plastics such as polyamide, in particular polyamide-6, polyamide-6.6, polyamide-12, polyamide-11 or polyester, in particular polyethylene terephthalate, polybutylene. terephthalate, or polyolefins, in particular polypropylene, styrene copolymers, in particular SAN resin or ABS, or polycarbonate, polypropylene oxide, polypropylene sulfide, polyimide, PSO or PEEK or from possible mixtures of the plastics mentioned.
• plastics such as polyamide, in particular polyamide-6, polyamide-6.6, polyamide-12, polyamide-11 or polyester, in particular polyethylene terephthalate, polybutylene. terephthalate, or polyolefins, in particular polypropylene, styrene copolymers, in particular SAN resin or ABS, or polycarbonate, polypropylene oxide, polypropylene
• the composite component is a predominantly flat hybrid component that can also contain linear or punctiform functional elements.
• defined joining areas are preferably provided at potential connection points to other components, which can be designed to be variable in terms of shape, position and size, and also with regard to the material.
• one or more workpieces of the composite component have openings or recesses in the region of the connection point, which are penetrated by molded thermoplastic material and form a positive connection of the workpieces.
• a particularly preferred embodiment of the composite component is characterized in that one of the workpieces consists of the same thermoplastic material as the point of use.
• one of the workpieces consists of an elastomer, in particular a thermoplastic elastomer.
• elastomer in particular a thermoplastic elastomer.
• Such components are accessible, for example, by the basically known two-component injection molding technique.
• the elastomers are preferably thermoplastic polyolefin and thermoplastic polyurethane.
• one of the workpieces of the component for shielding electromagnetic radiation is produced from a metal which is connected to further non-metallic workpieces.
• Workpieces of the composite component according to the invention which are to be connected to a construction or other components different from the composite component, can be freely selected in accordance with the suitable joining or connecting technique.
• the workpiece abutting the frame will be a weldable steel sheet.
• Another object of the invention is the use of the plastic composite component as a construction element for machines and vehicles, in particular motor vehicles, for electronic articles, household articles or for building requirements.
• the workpieces are connected to one another in the form of sheets, sheets, plates, profiles (open or closed profiles) or hollow chambers.
• the type of material, number and shape of the workpieces can be varied as required.
• flat workpieces, such as metal sheets and plastic plates are positively connected to each other at their edges.
• rivet heads made of thermoplastics are formed in the area of openings on top of one another, which enable a firm connection to the high-strength workpiece (eg sheet metal).
• the dynamic behavior of the overall component is improved or the assembly of the component is facilitated.
• the flexible workpieces as a film hinge, the component can be made partially movable.
• shielding against electromagnetic radiation can be achieved by using metal sheets as the workpiece, which are coated with non-conductive materials e.g. thermoplastics or other non-metallic workpieces are connected.
• non-conductive materials e.g. thermoplastics or other non-metallic workpieces are connected.
• connection points of the component according to the invention to other components or constructions can be made by the positive connection of the individual Workpieces in all known materials.
• the joining process is therefore freely selectable.
• a high-temperature-resistant plastic polyamide, polybutylene terephthalate, polyethylene terephthalate, polypropylene oxide, PSO, polyphenylene sulfide, polyimide, PEEK or mixtures of these materials in non-reinforced or unfilled as well as in fiber-reinforced or filled version
• a high temperature resistance as well as a KTL compatibility of the composite component can be achieved.
• the composite component can be produced in different ways.
• the type of connection differs mainly from e.g. Plastic and high-strength component (metal workpiece):
• connection can be achieved both by injection molding and by plastic riveting using previously formed connecting elements. In both cases, this becomes high-strength
• connection point e.g. sheet metal with holes in the edge area
• a metal sheet When connecting by injection molding, for example, a metal sheet is first placed in an injection mold.
• the injection molding process creates a less solid workpiece in the form of a plate, for example, and also achieves the connection to the metal sheet. Since the plastic material is poured into the injection molding tool in liquid form, it can flow through the openings in the metal sheet and rivet on the back of the metal sheet. form heads. In this way, different parts made of metal or composite materials can be connected to one another directly or indirectly via areas made of thermoplastic material in one process step.
• a connection of a less rigid workpiece to a high-strength workpiece can also be achieved when using plastic riveting.
• the thermoplastic is first injected separately in an injection mold without a metal sheet, but with molded connecting pins. Then one or more metal sheets are placed on the plastic part, the connecting pins projecting through prepared openings in the metal sheet or sheets.
• the connecting pins are then shaped into a rivet head using a forming process (e.g. using ultrasonic welding).
• the weld connection can be carried out using separate additional elements (e.g. stud welding) or achieved by joining two thermoplastic workpieces with molded connecting elements.
• thermoplastic workpiece with a high-strength workpiece by means of plug-in or snap connections.
• a plastic workpiece is produced, which is equipped with the necessary plug-in or snap elements.
• an injection molded plastic part with molded pins are used, which are inserted into prepared openings of the high-strength workpiece.
• the composite component enables a composite surface made up of workpieces with materials that can be varied as required.
• the invention enables cost and weight-optimized design of composite components with partially different property profiles.
• the invention further enables the free choice of the joining process for connection to other components and construction elements as well as the production of a composite surface from different materials in one process step.
• the composite components according to the invention are widely used as construction elements for machines, vehicles and components of all types, in particular for motor vehicles, for electronic articles, household articles and for building requirements.
• Particularly suitable applications of the composite component are structural parts for motor vehicles, doors, bumpers, beams, front and rear parts for cars, door sill support frames and decorative elements which combine increased strength with other material properties.
• Fig. 1 is a plate 1 made of thermoplastic material, to which a steel sheet 2 is connected by positive locking.
• FIG. 3 shows the connection of a plurality of metal sheets via a workpiece made of thermoplastic polyurethane
• Fig. 4 shows the detail from a floor group in the tunnel area of a motor vehicle.
• FIG. 5 shows the cross section through a composite of three metal sheets with a fold.
• Fig. 1 shows a plate 1 made of a thermoplastic material to which a steel sheet 2 is connected at its left end via positive connections 6 for absorbing point-acting forces.
• the left half of plate 1 is provided with a foam 3 on its top for sound insulation.
• Plate 1 is supported to accommodate larger surface loads, the plate 1 by two underlying U-profiles 5 made of aluminum and an integrated rib structure 4 made of the same material as the plate 1.
• the plate 1, the rib structure 4 and all positive connections 6 of the connection points are formed by the thermoplastic component.
• the composite component can be manufactured in two different ways. On the one hand, there is the possibility of inserting the sheet 2, the foam 3 and the U-profiles 5 into a correspondingly shaped injection molding tool and then injecting the thermoplastic component, with which the plate 1, the rib structure 4 and the form-fitting 6 are then produced. When the melt solidifies in the injection molding process, the individual components are firmly connected to one another. In a second variant, the plate 1 with the integrated rib structure 4 and the pins required for the positive connections 6 is first produced. Then the components sheet metal 2, foam 3 and U-profiles 5 to the
• FIG. 2 Cross section through a composite of three metal sheets: FIG. 2
• metal sheets 2 shows how different high-strength workpieces (metal sheets) can be connected directly to one another.
• the metal sheets 2 are provided with a fold 11 in the edge area, so that the metal sheets 2 and 10 are positively connected to one another.
• thermoplastic component 15 By enclosing these connection points with the thermoplastic component 15 by means of injection molding, the positive connection of the various metal sheets is ensured.
• two metal sheets 2 are flexibly connected to one another by an elastic plate 9 made of thermoplastic polyurethane.
• the connection is formed by means of positive connections 6, which consist of the same material as the plate 9, in accordance with the explanations of Example 1 or 2.
• a further metal sheet 12 is connected to the composite in a different plane via a thermoplastic element 16 made of rigid plastic material.
• the elastic plate 9 and the thermoplastic element 16 can be molded in one step by means of two-component injection molding of metal sheets inserted into the injection molding tool.
• Fig. 4 shows the detail of a floor group in the tunnel area of a vehicle.
• the bottom plates 2, the tunnel plate 7 and the tunnel cover 8 are each made of steel and are connected to one another via the thermoplastics 17. Workpieces 2 and 7 are placed in an injection mold and partially overmolded with a thermoplastic in their edge area. At the same time connecting pins are formed, which in a subsequent
• floor panels can also be connected to the bulkhead in vehicles or side members in the sill area with floor panels.
• FIG. 5 shows how different high-strength workpieces (metal sheets) can be connected directly to one another.
• the metal sheets 52 and 10 are provided with a fold 51 in the edge region, so that the metal sheets 52 and 10 are positively connected to one another.
• thermoplastic component 55 Joints with the thermoplastic component 55 by means of injection molding, the positive connection of the various metal sheets 52 and 10 is secured.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Combustion & Propulsion (AREA)
• Architecture (AREA)
• Structural Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Transportation (AREA)
• Manufacturing & Machinery (AREA)
• Laminated Bodies (AREA)
• Injection Moulding Of Plastics Or The Like (AREA)
• Connection Of Plates (AREA)
• Lining Or Joining Of Plastics Or The Like (AREA)
• Compositions Of Macromolecular Compounds (AREA)

Priority Applications (10)

Applications Claiming Priority (2)

Publications (1)

Family

ID=7930222

Family Applications (1)

Country Status (16)

Cited By (8)

Families Citing this family (14)

Citations (6)

• 1999
  • 1999-11-25 DE DE19956607A patent/DE19956607A1/de not_active Withdrawn
• 2000
  • 2000-11-13 KR KR1020027006674A patent/KR20020053092A/ko not_active Application Discontinuation
  • 2000-11-13 SK SK732-2002A patent/SK7322002A3/sk unknown
  • 2000-11-13 TR TR2002/01389T patent/TR200201389T2/xx unknown
  • 2000-11-13 AU AU21578/01A patent/AU2157801A/en not_active Abandoned
  • 2000-11-13 CZ CZ20021800A patent/CZ20021800A3/cs unknown
  • 2000-11-13 MX MXPA02005171A patent/MXPA02005171A/es not_active Application Discontinuation
  • 2000-11-13 CA CA002394790A patent/CA2394790A1/en not_active Abandoned
  • 2000-11-13 BR BR0015839-9A patent/BR0015839A/pt not_active IP Right Cessation
  • 2000-11-13 JP JP2001539652A patent/JP2003514693A/ja active Pending
  • 2000-11-13 CN CN00816238A patent/CN1399590A/zh active Pending
  • 2000-11-13 WO PCT/EP2000/011194 patent/WO2001038063A1/de active Search and Examination
  • 2000-11-13 EP EP00985015A patent/EP1235675A1/de not_active Withdrawn
  • 2000-11-13 PL PL00355567A patent/PL355567A1/xx not_active Application Discontinuation
• 2002
  • 2002-04-16 ZA ZA200202982A patent/ZA200202982B/xx unknown
  • 2002-05-24 NO NO20022469A patent/NO20022469L/no not_active Application Discontinuation

Patent Citations (6)

Non-Patent Citations (1)

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