CN114514110A - 具有透明子面的装饰功能构件 - Google Patents

具有透明子面的装饰功能构件 Download PDF

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CN114514110A
CN114514110A CN202080069990.8A CN202080069990A CN114514110A CN 114514110 A CN114514110 A CN 114514110A CN 202080069990 A CN202080069990 A CN 202080069990A CN 114514110 A CN114514110 A CN 114514110A
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plastic
functional member
preparation
plastic support
transparent
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贝尔托尔德·伊思德思
托尔斯滕·普尔
马蒂亚斯·迪尔
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Kestar Automotive Electric Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/58—Snap connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
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    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
    • B29C66/7336—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
    • B29C66/73365—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being transparent or translucent to visible light
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a 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
    • B29C45/0053—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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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Abstract

本发明涉及一种具有透明子面的装饰功能构件，具有：由第一塑料材料构成的塑料支撑件，所述塑料支撑件具有缺口；和由透明的第二塑料材料构成的面状的覆盖体，所述覆盖体覆盖或填充塑料支撑件的缺口，其中塑料支撑件和覆盖体通过松动的形锁合来拼合并且通过淹没共同地借助低粘度的硬化的透明塑料来覆层。

Description

具有透明子面的装饰功能构件
技术领域
本发明涉及一种具有透明子面的装饰功能构件，具有：由第一塑料材料构成的塑料支撑件，所述塑料支撑件具有缺口；和由透明的第二塑料材料构成的面状的覆盖体，所述覆盖体覆盖或填充塑料支撑件的缺口。
背景技术
已知作为双组分注塑件生产的构件，所述构件获得透明的子区域或者完全透明的、可能在装饰薄膜背面的背面注射的成型件，所述成型件在另一步骤中部分地或完全地背面注射。所述构件包含大的机械应力。
从德国公开文献DE 10 2006 048 550 A1中已知一种功能构件，所述功能构件在壳体中具有可视窗。壳体和可视窗构成为双组分注塑件，其中壳体的和可视窗的彼此邻接的棱边具有槽榫连接。
优选地在此提出，可视窗的塑料材料在槽榫连接的区域中容易地熔化并且与壳体的材料形成紧密的材料接合。当可视窗尤其应液密地嵌入到壳体中时，这种紧密的材料接合是非常有利的。然而在此机械应力也是不可避免的，这影响可视窗的光学特性。
这在如下情况下尤其是不利的：即当可视窗应设置在显示器之前时，由此会影响所述显示器的显示。
对于多种应用此外不期望的是，可视窗可被视为功能构件的特殊区域。
发明内容
提出如下目的，以简单的方式和在尽可能避免上述缺点的情况下生产这种功能构件。
所述目的根据本发明通过如下方式实现，塑料支撑件和覆盖体通过松动的形锁合来拼合并且通过淹没
Figure BDA0003581347890000021
共同地借助低粘性的硬化的透明塑料来覆层。
将“松动的”形锁合在此应理解成构件的形锁合的布置，其机械连接故意有间隙地构成。
因此本发明提出，首先，两个拼合的组件机械脱联，以便防止机械应力，并且其次，所述组件在另一步骤中借助于透明的弹性料、优选借助聚氨酯包覆注射，以便将功能构件的表面构成为，使得两个组件的分离的布置被光学遮盖。在塑料支撑件处和在覆盖体处附着的透明塑料层此外将两个组件彼此固定，而在此不在其之间构建机械应力。
附图说明
下面本发明应根据附图详细示出和阐述。附图示出：
图1示出塑料支撑件，
图2示出覆盖体的两个实施变型形式，
图3示出用于制造第一功能构件的安装步骤，
图4示出用于制造第二功能构件的安装步骤，
图5示出功能构件的第三实施例，
图6示出根据图5的功能构件的实施细节。
具体实施方式
图1至图3图解说明功能构件的第一实施例。所述功能构件具有塑料支撑件11，所述塑料支撑件在图1中以剖面示出。塑料支撑件11由第一塑料材料注塑成型并且具有缺口13。在此草绘示出的塑料支撑件11例如可以是壳体或操作表面的一部分。
透明的或部分透明的覆盖体12、12’同样通过注塑成型制造，所述覆盖体在图2中以两个实施变型形式示出。覆盖体12、12’由第二塑料材料构成并且具有夹钩15、15’，其能够实现覆盖体12、12’与塑料支撑件11的松动的形锁合的连接。在此，夹钩15、15’的外部间距比在塑料支撑件11处的缺口13的所属的横截面有意地更小地构成，使得覆盖体12、12’在夹入之后是有间隙的并且无机械应力地设置在塑料支撑件11处。
覆盖体12、12’在安装之前已经可以设有印刷部53。在此，图案打印、彩色打印和功能性导电打印可以印刷在覆盖体12、12’的上侧或下侧上。
覆盖体12、12’可以一件式地(图2a)或也作为包覆注射的或背面注射的薄膜(图2b)制造。薄膜在此尤其可以是功能薄膜51，所述功能薄膜具有在此未示出的电传感器或显示元件。表明的是，功能薄膜51具有电端子52。
在图3中示出的覆盖体12设为用于，在塑料支撑件11之内构成透明窗，并且对此借助其夹钩15夹入到塑料支撑件11的缺口13中(图3a)。此后，将拼合的构件共同地借助于透明的低粘性的液体淹没，所述液体硬化成透明的塑料层14(图3b)。优选地，作为淹没材料设有聚氨酯。
如果塑料支撑件11的第一塑料材料或者覆盖体12的第二塑料材料不附着至低粘性的液体，那么塑料支撑件11和覆盖体12的表面可以事先有利地设有增附剂。
通过覆盖体12在塑料支撑件11之内实现的窗优选地设为用于，能够实现到显示器或其他显示元件的视线，所述显示器或其他显示元件尤其可以是功能构件的组成部分。
为了继续构造这种功能构件，例如借助于光学胶17将显示器18安置到覆盖体12的背面处(图3c)。当覆盖体12’如在图2b中示出的那样已经具有带有一个或多个显示元件的功能薄膜51时，可以取消所述步骤。
图4示出功能构件的另一实施例，其中同样首先通过注塑成型来制造塑料支撑件21，所述塑料支撑件具有缺口23。附加地，在此缺口23的内边缘具有模制的环绕的接片26(图4a)。
缺口23在下面的步骤中在注塑工具中由第二透明塑料材料填充(图4b)。在硬化之后，第二塑料材料构成覆盖体22，所述覆盖体填充缺口23。第二塑料材料与塑料支撑件21的第一塑料材料在化学方面不同，并且选择成，使得两种塑料材料不会彼此材料锁合地连接。
包围模制的环绕的接片26因此在塑料支撑件21和覆盖体22之间构成纯形锁合的槽榫连接29(图4b)，而其塑料材料不相互固定连接。因此那么实现松动的形锁合，其中覆盖体22虽然是稳定的、但是同时有间隙地和无应力地处于塑料支撑件21的缺口23中。
在另一步骤中，构件21、22借助于低粘性的液体被淹没，所述液体随后硬化成透明的塑料层24(图4c)。塑料层24使覆盖体22在塑料支撑件21处的布置稳定，使得尽管松动的无应力的接合，覆盖体22不再能够相对于塑料支撑件21移动。同时，塑料层24光学遮盖位于其下方的表面的多件式的实施。
图4d又示出借助于光学胶27在覆盖体22的下侧处安置显示器28的可能性。
图5作为根据图3的实施方式的实施变型形式示出具有平面错位的塑料支撑件31。在此，塑料支撑件31在其缺口的边缘处构成环绕的弯折的贴靠接片36，覆盖体32的夹钩35在所述贴靠接片处锁定。弯折的贴靠接片36能够实现，将覆盖体32插入到塑料支撑件31的缺口中，使得覆盖体32的表面与塑料支撑件31的表面齐平。
由此，在此未示出的塑料覆层与根据图3的实施方式中的塑料层14相比可以非常薄地构成，因为所述塑料覆层在此不必包围覆盖体32的体积的大部分。
图6示出在塑料支撑件41和覆盖体42之间的一个可能的过渡设计的两个实例。在功能构件的情况下，在塑料支撑件41和覆盖体42之间例如可以实现窄的直线间隙45(图6a)，或在具有倒圆的边缘的构件中，实现具有过渡半径46的间隙(图6b)，所述间隙在通过低粘性的液体的淹没过程中被填充，所述低粘性的液体在硬化之后构成透明的塑料层44。
附图标记列表：
11、21、31、41 塑料支撑件
12、12’、22、32、42 覆盖体
13、23 缺口
14、24、44 透明塑料(层)
15、15’、35 夹钩
17、27 光学胶
18、28 显示器
26 环绕的接片
29 槽榫连接
36 弯折的环绕的贴靠接片
45 直线间隙
46 具有过渡半径的间隙
51 功能薄膜
52 电端子
53 印刷部

Claims (8)

1.一种具有透明子面的装饰功能构件，具有：由第一塑料材料构成的塑料支撑件(11、21、31、41)，所述塑料支撑件具有缺口(13、23)；和由透明的第二塑料材料构成的面状的覆盖体(12、12’、22、32、42)，所述覆盖体覆盖或填充所述塑料支撑件(11、21、31、41)的缺口(13、23)，
其特征在于，
所述塑料支撑件(11、21、31、41)和所述覆盖体(12、12’、22、32、42)通过松动的形锁合来拼合并且通过淹没共同地借助低粘度的硬化的透明塑料来覆层。
2.根据权利要求1所述的装饰功能构件，
其特征在于，
形锁合的连接是通过夹钩(15、15’、35)建立的锁定连接。
3.根据权利要求1所述的装饰功能构件，
其特征在于，
形锁合的连接是槽榫连接(29)。
4.根据权利要求1所述的装饰功能构件，
其特征在于，
所述第一和第二塑料材料不彼此材料锁合地连接。
5.根据权利要求1所述的装饰功能构件，
其特征在于，
在所述覆盖体(12、12’、22、32、42)的下侧处设置有显示器(18、28)。
6.根据权利要求1所述的装饰功能构件，
其特征在于，
所述低粘性的透明塑料(14、24、44)是聚氨酯。
7.根据权利要求1所述的装饰功能构件，
其特征在于，
所述塑料支撑件(11、21、31、41)是壳体的一部分。
8.根据权利要求1所述的装饰功能构件，
其特征在于，
所述塑料支撑件(11、21、31、41)是操作面的一部分。
CN202080069990.8A 2019-12-18 2020-12-14 具有透明子面的装饰功能构件 Pending CN114514110A (zh)

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