Method for producing a metal-plastic composite part, and metal-plastic composite part
A technology of composite components and plastic materials, applied in the direction of household components, metal layered products, chemical instruments and methods, etc., can solve the problems of costly configuration and assembly, extended application unknown, etc.
Pending Publication Date: 2021-11-16
海拉有限双合股份公司
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- Description
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- Application Information
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Problems solved by technology
Disadvantageously, this results in complex configuration and assembly of the joint connection and often requires several additional components or additional materials, such as screws, elastic elements or adhesives, etc.
[0003] A further disadvantage arises when, for example, in the case of screw connections or riveting, point-like force-conducting connections are produced which form when the composite is mechanically loaded.
The disadvantage is that the applicability of the proposed connection technology can only be transferred to a limited extent, since not every metallic structural element can be produced generatively, especially for cost reasons, and also in The application of further extensions of this method without forming a form-lock between the structural element and the cast component is also unknown
Method used
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Embodiment Construction
[0028] figure 1 A cross-sectional view is shown through the composite body between the plastic component 1 and the metal component 2 , so that the composite body forms a metal-plastic composite component 100 . The plastic component 1 and the metal component 2 are schematically shown and are therefore designed in a manner not shown in more detail to be optically functional, and the plastic component 1 is, for example, a reflective light module in a lighting system of a vehicle. Or transmissive optics, such as reflectors.
[0029] The metal component 2 can be, for example, a holder, a shading or another structural component of the reflective or transmissive optics, for example a base body of a reflector, a heat sink or a section of the same component.
[0030] Microstructures 10 are introduced into the surface of the metal component 2 serving as the contact surface 11 for the plastic component 1 , starting from said surface obliquely into the body of the metal component 2 , whe...
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Abstract
The invention relates to a method for producing a metal-plastic composite part (100) having a plastic component (1) and a metal component (2), the method comprising at least the following steps: - producing a microstructure (10) in a contact face (11) of the metal component (2), the microstructure (10) having undercuts in relation to the contact face (11), - laying the metal component (2) in an injection-moulding die such that the plastic material of the plastic component (1) can be injection-moulded over the contact face (11) of the metal component (2), - injection-moulding the plastic component (1), some of the liquid plastic material penetrating into the undercuts of the microstructure (10) or enclosing same, and - cooling the plastic material of the plastic component (1) to form an interlocking and / or frictional connection between the plastic component (1) and the metal component (2). The invention is also directed to a metal-plastic composite part (100) of this type.
Description
technical field [0001] The present invention is directed to a method for producing a metal-plastic composite component with a plastic component and a metal component. Furthermore, the invention is directed to such a metal-plastic composite component. Background technique [0002] From DE 10 2014 109 114 A1 an optically active joining composite between a plastic component and a metal component is known. For connecting a plastic component to a metal component, a snap-in hook on a first side and a threaded element on an opposite second side are shown by way of example. This example demonstrates that the usual connection between plastic components and metal components is complex and requires a number of additional components when constructing a lighting device for a vehicle, wherein geometric positive connections such as snap-in hooks etc. are avoided and / or alternatively an adhesive connection or a clamping connection is used, avoiding threaded elements. The use of retainin...
Claims
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IPC IPC(8): B29C45/14F21S41/29F21V17/10B29K705/00B29L11/00B29L31/30B29L31/00
CPCB29C45/14311B29C2045/14868B29C2045/1495B29K2705/00B29L2011/0083B29L2031/3002B29L2031/747F21S41/29B29K2995/0094B29L2031/30B32B3/30B32B15/08B32B2307/416B32B2551/00B32B2605/00
Inventor F·布林克梅尔M·拉肯布林克J·D·文策尔T·威斯
Owner 海拉有限双合股份公司