CN114228284B - 一种设置有触摸屏的汽车内饰件 - Google Patents
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Abstract
本发明的技术方案是一种设置有触摸屏的汽车内饰件,包括从上到下依次排布的INS膜片、塑材板、喷漆遮光层和触碰开关薄膜,所述INS膜片包括自上而下复合而成的PMMA亚克力层、油墨印刷透光层和ABS透明基材层,所述INS膜片和塑材板顶面通过模内注塑成型,所述塑材板底面涂覆有喷漆遮光层,所述喷漆遮光层激光雕刻有透光图案,所述喷漆遮光层底面通过粘合胶连接有触碰开关薄膜。本发明结构新颖,触屏按键表面的图案精度高,可以适用在汽车内部多种形状的带触摸屏的内饰件上。
Description
技术领域
本发明涉及一种汽车内饰件,尤其是涉及一种设置有触摸屏的汽车内饰件。
背景技术
智能化是现今汽车行业发展的主旋律,消费者不再局限于精美的汽车外观设计的需求,对集成功能性与装饰性的智能表面装饰设计也愈加青睐。近年来,国内外车展越来越多主机厂的概念车型展示了设计师对未来汽车内饰座舱设计理念,未来汽车内饰座舱将朝着智能化方向发展,特别是内饰的整体视觉、触觉和交互反馈等。内饰设计将由传统装饰性转向装饰与功能结合的智能装饰表面。
除了传统装饰材料的质感、触感、可成型性之外,智能装饰表面还可同时具备光电动态显示、触控、声控等人机互动功能,是一种高度集成的装饰技术。将材料的透光属性与装饰属性结合是实现智能装饰的前提。因此内饰智能表面装饰技术发展可以分为三个阶段,第一阶段实现透光硬质装饰材料(如透光INS、透光IML、透光TOM等)与带控制逻辑的光电显示等功能集成(如光源呼吸点亮、流水效果的模内装饰膜片、真木装饰等),第二阶段实现软质透光装饰材料与带控制逻辑的光电显示功能集成(例如透光革、透光织物等),第三阶段实现装饰材料光电显示、智能操控(如手势操控、智能触摸、声音控制等)等多功能集成。
上述主要是理论上的发展趋势,然而之所以没有广泛应用,主要原因是INS膜片图案的雕刻精度不够,雕刻好的图案区域在后期加工时容易产生形变,导致触摸的时候按键移位。
为了改善内饰注塑出来后表面的生硬塑料感,一般会采用各种表面处理工艺来进行美化,传统是喷涂、水转印、丝印或移印等。但随着环保压力以及消费者对品质追求的提高,能减少污染的INS工艺的薄膜成型工艺在车内饰上的应用越来越广泛。INS工艺在车内饰上主要用于门板装饰条、中控台、仪表板等部位。INS工艺,也有称作IMF(In-mold Film),是将膜片预先在成型模具中通过高压吸附形成产品外表面的形状,在经过裁边后放到产品的注塑模具中,然后与熔融状态的塑料一起注塑成型,如图1所示。
INS工艺的优点相对传统的喷涂、水印工艺更为环保,并且还能实现多种图案纹理,能做仿金属、木纹等效果,产品外观好,更具豪华。
INS工艺的缺点在于膜片通常都是进口的,价格高。INS膜片的常规结构是由PMMA(亚克力)层、油墨印刷层以及ABS基材层上述三层复合组成,如图2所示。常规INS膜片结构适用于大部分的汽车内饰装饰板。
现有为了增加氛围灯的效果,膜片结构中的油墨印刷层设置有遮光层和花纹层,如图3所示,而此时ABS基材层为半透明或透明层,灯光能穿过花纹层从装饰面板中透出来,给车内增加氛围效果。由于INS工艺中的第一步加热软化会对膜片结构产生第一步的拉伸,第二步的高压吸附也会产生第二步的拉伸,膜片结构中的花纹层和油墨遮光层会在多次拉伸后会形变位移或产生撕裂痕迹,最后成型出来的产品中,灯光投射出来花纹有形变位移或者油墨遮光层有漏光,导致产品不合格,报废率高,如图4所示。
针对上述存在的问题,申请人研发了一种技术方案并申请了专利,申请号为201911227013.1,采用第一层PMMA亚克力层、第二层油墨印刷花纹层、第三层分上下层,上层是半透明或透明层,下层是不透光层,上下层基材之间通过复合或共挤形成,然后具体的成型工艺为:①将上述汽车内饰INS膜片结构进行加热软化;②利用膜片成型机将膜片进行吸附成型;③将成型膜片进行冲切裁膜;④定位裁好的成型膜片,利用激光精雕对成型膜片第三层ABS基材层的不透光层进行处理形成透光图案层;⑤把精雕后的成型膜片放入模具内;⑥模具合模注塑成型;⑦机械手将成型产品取出;⑧获得合格产品。
这种方式虽然相对原有的有了巨大的改进,并取得了很大进步,然而依然存在瑕疵,因为膜片需要定制,而且基本依靠进口,成本高,膜片上的透光图案是在膜片上精雕加工,后期注塑过程仍然存在膜片形变的情况,对各方面的精度要求很高,容易产生报废的产品。上述的透光图案精雕加工是在半成品上加工的,后续还需要注塑容易导致成品上图案的变形。
发明内容
针对上述问题,本发明旨在提供一种设置有触摸屏的汽车内饰件,其结构新颖,触屏按键表面的图案精度高,可以适用在汽车内部多种形状的带触摸屏的内饰件上。
本发明的技术方案是一种设置有触摸屏的汽车内饰件,包括从上到下依次排布的INS膜片、塑材板、喷漆遮光层和触碰开关薄膜,所述INS膜片包括自上而下复合而成的PMMA亚克力层、油墨印刷透光层和ABS透明基材层,所述INS膜片和塑材板顶面通过模内注塑成型,所述塑材板底面涂覆有喷漆遮光层,所述喷漆遮光层激光雕刻有透光图案,所述喷漆遮光层底面通过粘合胶连接有触碰开关薄膜。
优选的,所述塑材板的材料为ABS或者PC。
优选的,所述粘合胶为光合胶。
优选的,所述触碰开关薄膜内设置有LED光源。
优选的,所述PMMA亚克力层的厚度为2-4mm。
优选的,所述油墨印刷透光层内设置有透光的带角度、仿生或立体的图案。
优选的,所述INS膜片顶面通过双色注塑连接有透明塑料板。
本发明相比于我们传统的车内按键结构,触控开关在空间、使用与设计等多方面有着极大的优势:
①轻量化,节约空间。触控开关可以将大量结构整合在一张薄膜上,轻量化的同时还能够节省大量空间。
②设计自由度高。汽车触控开关取代物理按键,可以让产品的集成度更高,设计更简洁。
③美观。面板图案可随心所欲,按键大小、形状任意设计,字符、商标、透视窗等任意搭配,外型美观、时尚,不褪色、不变形。
④操作便捷。电容式感应触控开关不需要按压传统的物理按键,操作便捷,即使带手套也可以使用,并且不受天气干燥潮湿人体电阻变化等影响,使用更加方便。
⑤耐久度高。理论上来说,触控开关没有任何机械部件,不会磨损,无限寿命,减少后期维护成本。
⑥防水防尘,稳定性好。其感测部分可以放置到任何绝缘层(通常塑料材料喷漆光刻或者iml零件)的后面,很容易制成与周围环境相密封的一体化设计。电容式感应触控开关可以穿透绝缘材料外壳3mm(玻璃、塑料等等)左右,准确无误地侦测到手指的有效触摸。并保证了产品的灵敏度、稳定性、可靠性等不会因环境条件的改变或长期使用而发生变化,且具有防水和强抗干扰能力。
附图说明
图1为INS工艺流程图;
图2为现有常规INS膜片结构图;
图3为现有INS膜片带花纹层和遮光层的结构图;
图4为现有INS工艺前几个步骤后膜片拉伸变形示意图;
图5为本发明的一种结构示意图;
图6为图5的分解结构示意图;
图7为图5的结构剖视图;
图8为本发明另一种分解结构示意图;
图9为图8的结构剖视图;
其中:1—INS膜片;11—PMMA亚克力层;12—油墨印刷透光层;13—ABS透明基材层;2—塑材板;3—喷漆遮光层;4—触碰开关薄膜;5—透光图案;6—透明塑料板。
具体实施方式
下面结合附图,对本发明作进一步详细说明。
如图5至图7所示,本发明提供了一种设置有触摸屏的汽车内饰件,包括从上到下依次排布的INS膜片1、塑材板2、喷漆遮光层3和触碰开关薄膜4,所述塑材板2的材料为ABS或者PC,所述INS膜片1包括自上而下复合而成的PMMA亚克力层11、油墨印刷透光层12和ABS透明基材层13,所述PMMA亚克力层11的厚度为2-4mm,所述油墨印刷透光层12内设置有透光的带角度、仿生或立体的基础图案,配合底部的透光图案5在LED光源的照射下形成结合的美感图案,所述INS膜片1和塑材板2顶面通过模内注塑成型,所述塑材板2底面涂覆有喷漆遮光层3,所述喷漆遮光层3激光雕刻有透光图案5,所述喷漆遮光层3底面通过光合胶等粘合胶连接有触碰开关薄膜4,所述触碰开关薄膜4内设置有LED光源。
上述方案的制造工艺如下:①将上述汽车内饰INS膜片结构进行加热软化;②利用膜片成型机将膜片进行吸附成型;③将成型膜片进行冲切裁膜;④定位裁好的成型膜片,放入模具内;⑤模具合模注塑成型,得到表面连接有INS膜片的塑材板;⑥机械手将表面连接有INS膜片的塑材板取出;⑦对塑材板下表面进行喷漆处理形成喷漆遮光层;⑧利用激光精雕对喷漆遮光层加工出所需的透光图案;⑨通过光合胶在塑材板底面粘接触碰开关薄膜,最终得到所需成品。
此外,如图8和图9所示,本发明提供了另一种设置有触摸屏的汽车内饰件,包括从上到下依次排布的INS膜片1、塑材板2、喷漆遮光层3和触碰开关薄膜4,所述INS膜片1包括自上而下复合而成的PMMA亚克力层11、油墨印刷透光层12和ABS透明基材层13,所述INS膜片1和塑材板2顶面通过模内注塑成型,所述塑材板2底面涂覆有喷漆遮光层3,所述喷漆遮光层3激光雕刻有透光图案5,所述喷漆遮光层3底面通过粘合胶连接有触碰开关薄膜4,所述INS膜片1顶面通过双色注塑连接有透明塑料板6。
上述方案的制造工艺如下:①将INS膜片进行加热软化;②利用膜片成型机将INS膜片进行吸附成型;③将成型INS膜片进行冲切裁膜;④定位裁好的成型INS膜片,放入双色注塑模具内;⑤进行第一次注塑,INS膜片底面一侧与熔融塑料一体成型,INS膜片底面一侧贴合在内层塑材板前侧面;⑥旋转后模,在双色注塑机上进行第二次合模注塑,INS膜片顶面一侧与熔融塑料一体成型,INS膜片顶面一侧贴合在透明塑料板后侧面,形成透明塑料板、INS膜片、塑材板三者一体的整体结构并由机械手取出;⑦对塑材板底面进行喷漆处理形成喷漆遮光层;⑧利用激光精雕对喷漆遮光层加工出所需的透光图案;⑨通过光合胶在塑材板底面粘接触碰开关薄膜,最终得到所需成品。
本发明将激光精雕出透光图案这个步骤放在注塑之后,这样就避免了原先精雕图案后还要注塑的工序,避免了注塑过程中容易使得图案拉伸或者破坏的情形,提高了产品制造过程中的成品率。本发明通过对INS膜片结构透光汽车内饰件内部构造的改进,保证了透光图案的精准,保证了产品高质量的成品率,确保能将触碰开关薄膜应用在汽车内饰件上,保证触摸区域的精准化。
以上所述,仅是本发明的较佳实施方式,并非对发明作任何形式上的限制,凡是依据本发明的技术原理对以上实施例所做的任何简单修改、等同变化或修饰,仍属于本发明技术方案的范围内。
Claims (7)
1.一种设置有触摸屏的汽车内饰件,其特征在于:包括从上到下依次排布的INS膜片(1)、塑材板(2)、喷漆遮光层(3)和触碰开关薄膜(4),所述INS膜片(1)包括自上而下复合而成的PMMA亚克力层(11)、油墨印刷透光层(12)和ABS透明基材层(13),所述INS膜片(1)和塑材板(2)顶面通过模内注塑成型,所述塑材板(2)底面涂覆有喷漆遮光层(3),所述喷漆遮光层(3)激光雕刻有透光图案(5),所述喷漆遮光层(3)底面通过粘合胶连接有触碰开关薄膜(4)。
2.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述塑材板(2)的材料为ABS或者PC。
3.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述粘合胶为光合胶。
4.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述触碰开关薄膜(4)内设置有LED光源。
5.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述PMMA亚克力层(11)的厚度为2-4mm。
6.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述油墨印刷透光层(12)内设置有透光的带角度、仿生或立体的图案。
7.根据权利要求1所述的一种设置有触摸屏的汽车内饰件,其特征在于:所述INS膜片(1)顶面通过双色注塑连接有透明塑料板(6)。
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