CN109016469A - 一种高光效、低成本的反射杯的制作工艺 - Google Patents

一种高光效、低成本的反射杯的制作工艺 Download PDF

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CN109016469A
CN109016469A CN201810529076.1A CN201810529076A CN109016469A CN 109016469 A CN109016469 A CN 109016469A CN 201810529076 A CN201810529076 A CN 201810529076A CN 109016469 A CN109016469 A CN 109016469A
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reflector
low cost
finished product
manufacture craft
photosynthetic efficiency
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熊阳景
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Sun Yat-Sen Senkaidi Photoelectric Technology Co Ltd
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Sun Yat-Sen Senkaidi Photoelectric Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10Forming by pressure difference, e.g. vacuum
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14Metallic material, boron or silicon
    • C23C14/20Metallic material, boron or silicon on organic substrates
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24Vacuum evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2069/00Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2505/00Use of metals, their alloys or their compounds, as filler
    • B29K2505/08Transition metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0083Reflectors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

本发明提出一种高光效、低成本的反射杯的制作工艺,包括以下步骤:S1、将聚碳酸酯颗粒与钛白粉按照质量分数比为48~52:46~50的比例进行混合,混合均匀后模压成0.3~0.7mm厚的膜片;S2、将所述膜片通过真空吸塑成型,然后裁剪出透光口得到半成品;S3、在所述半成品上真空蒸镀上一层1~2微米厚的纯铝或纯银膜层,再在纯铝或纯银膜层上涂覆一层硅油得到成品。本发明通过吸塑成型的聚碳酸酯膜片为高镜面反射PC配合99.99%高纯度的纯铝或纯银镀膜,成品反光率达到95%~97%,大大提高LED光的利用率。

Description

一种高光效、低成本的反射杯的制作工艺
技术领域
本发明涉及灯具配件的加工领域,尤其涉及一种高光效、低成本的反射杯的制作工艺。
背景技术
反射杯,指用点光源灯泡为光源,需远距离聚光照明的反射器,主要分为金属反射杯和塑料反射杯。金属反射杯反光效率不高,且容易造成灯板短路。现有的塑料反射杯均采用注塑成型,需注造一定厚度才能成型,耗费材料多,且不容易做出大尺寸的反光杯,此外,注塑模具结构精细成本高。
发明内容
为解决现有技术的问题,本发明提出一种高光效、低成本的反射杯的制作工艺,提高成品的反射光效高,同时还降低生产的成本。
具体方案如下:
本发明提出一种高光效、低成本的反射杯的制作工艺,包括以下步骤:
S1、将聚碳酸酯颗粒与钛白粉按照质量分数比为48~52:46~50的比例进行混合,混合均匀后模压成0.3~0.7mm厚的膜片;
S2、将所述膜片通过真空吸塑成型,然后裁剪出透光口得到半成品;
S3、在所述半成品上真空蒸镀上一层1~2微米厚的纯铝或纯银膜层,再在纯铝或纯银膜层上涂覆一层硅油得到成品。
进一步地,所述聚碳酸酯颗粒与钛白粉质量分数比为51:49。
进一步地,所述膜片的厚度为0.3mm、0.4mm、0.5mm和0.7mm中的一种或多种。
进一步地,所述纯铝或纯银的纯度为99.99%。
进一步地,步骤S2的真空吸塑成型操作为:根据反射杯的形状制作铜模,将膜片导入真空吸的机器里,加热在铜模上吸附成型,脱模后进行裁边。
进一步地,在步骤S3所述真空蒸镀操作前,先在半成品的表面喷涂一层纳米硅油,以增加附膜附着力。
进一步地,所述步骤S3的真空蒸操作形成的膜层位于反射杯内侧。
本发明的有益效果为:
1、本发明通过吸塑成型的聚碳酸酯膜片为高镜面反射PC配合99.99%高纯度的纯铝或纯银镀膜,成品反光率达到95%~97%,大大提高LED光的利用率。
2、本发明吸塑成型的反射杯重量只有传统工艺的成品的十分之一,耗材少,吸塑模具成本低,降低灯具的生产的成本,且包装运输方便。
3、本发明采用聚碳酸酯(PC塑料)与钛白粉混合制膜片,延展性好,易成型加工,成品轻巧有弹性,不易变形。且PC塑料具有耐热性、阻燃性,制作过程加热稳定,且成品使用过程中受热稳定,使用寿命长。
附图说明
图1为本发明的反射杯的结构示意图一。
图2为本发明的反射杯的结构示意图二。
具体实施方式
如下结合附图,对本申请方案作进一步描述:
参见附图1-2,一种高光效、低成本的反射杯的制作工艺,包括以下步骤:
S1、将聚碳酸酯颗粒与钛白粉按照质量分数比为51:49的比例进行混合,混合均匀后模压成厚度为0.3mm、0.4mm、0.5mm和0.7mm的多种膜片。
S2、将所述膜片通过真空吸塑成型:根据反射杯的形状制作铜模,将膜片导入真空吸的机器里,加热在铜模上吸附成型(锥形台或四棱锥台,本实施例的成品为四棱锥台型),脱模后进行裁边;然后裁剪出透光口2得到半成品,半成品表面为高反光的镜面1。
S3、先在半成品的表面喷涂一层纳米硅油,以增加附膜附着力。然后通过真空蒸镀在半成品内侧蒸镀上一层1~2微米厚的纯度为99.99%的纯铝膜层3,再在纯铝或纯银膜层上涂覆一层硅油得到成品。
本实施例的工艺制作的成品与传统注塑工艺成型的反射杯进行效果测试:同样尺寸的反射杯,本实施例制作的产品的重量只有传统注塑工艺成型的反射杯的十分之一。
本实施例的工艺制作的产品在灯具上使用,通过光线分布仪或照度计测试反光率达到95%~97%,显著提高LED光的利用率。
上述优选实施方式应视为本申请方案实施方式的举例说明,凡与本申请方案雷同、近似或以此为基础作出的技术推演、替换、改进等,均应视为本专利的保护范围。

Claims (7)

1.一种高光效、低成本的反射杯的制作工艺,其特征在于,包括以下步骤:
S1、将聚碳酸酯颗粒与钛白粉按照质量分数比为48~52:46~50的比例进行混合,混合均匀后模压成0.3~0.7mm厚的膜片;
S2、将所述膜片通过真空吸塑成型,然后裁剪出透光口得到半成品;
S3、在所述半成品上真空蒸镀上一层1~2微米厚的纯铝或纯银膜层,再在纯铝或纯银膜层上涂覆一层硅油得到成品。
2.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,所述聚碳酸酯颗粒与钛白粉质量分数比为51:49。
3.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,所述膜片的厚度为0.3mm、0.4mm、0.5mm和0.7mm中的一种或多种。
4.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,所述纯铝或纯银的纯度为99.99%。
5.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,步骤S2的真空吸塑成型操作为:根据反射杯的形状制作铜模,将膜片导入真空吸的机器里,加热在铜模上吸附成型,脱模后进行裁边。
6.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,在步骤S3真空蒸镀操作前,先在半成品的表面喷涂一层纳米硅油。
7.根据权利要求1所述的高光效、低成本的反射杯的制作工艺,其特征在于,所述步骤S3的真空蒸操作形成的膜层位于反射杯内侧。
CN201810529076.1A 2018-05-29 2018-05-29 一种高光效、低成本的反射杯的制作工艺 Pending CN109016469A (zh)

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CN109581557A (zh) * 2019-01-29 2019-04-05 京东方科技集团股份有限公司 一种反射片及其制作方法、背光模组和显示装置
CN110565053A (zh) * 2019-10-18 2019-12-13 韦立 反光杯纳米真空镀膜的方法
CN110594701A (zh) * 2019-10-18 2019-12-20 韦立 医疗反光杯
CN110938802A (zh) * 2020-01-02 2020-03-31 丁来明 一种真空镀膜新工艺

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CN110594701A (zh) * 2019-10-18 2019-12-20 韦立 医疗反光杯
CN110938802A (zh) * 2020-01-02 2020-03-31 丁来明 一种真空镀膜新工艺

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Application publication date: 20181218