CN101226263A - 紫外胶固化装置和镜头模组组装方法 - Google Patents
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Abstract
一种紫外胶固化装置,用于固化镜头模组中的元件之间的紫外胶,其包括一个紫外光源和一个镜头模组压合装置。所述紫外光源用于发出紫外光线对所述镜头模组中的元件之间的紫外胶照射,所述镜头模组压合装置用于对所述镜头模组中的元件压合。所述的紫外胶固化装置中采用了镜头模组压合装置对所述镜头模组中的元件,例如间隔环或红外截止滤光片,进行压合,有效防止间隔环在紫外胶的固化过程中相对于镜筒的移动,同时防止红外截止滤光片在间隔环表面的局部翘起,从而提高镜头模组的组装良率。本发明还提供一种镜头模组组装方法。
Description
技术领域
本发明涉及紫外胶固化装置,尤其涉及一种应用于镜头模组的紫外胶固化装置及镜头模组组装方法。
背景技术
近年来,随着光学产品的发展,镜头模组的应用范围持续扩大,如数码相机、具有照相功能的手机等电子产品。对于电子产品,特别是消费性电子产品,其发展趋势是轻量化和薄型化,相应设置于其内的镜头模组也变得越来越小,精密度的要求也越来越高,所以镜头模组的组装工艺也需要更高的精确度和稳定性,以保证生产效率和良率。
一般地,镜头模组的组装过程如下:
首先,将光学镜片组装于镜筒中;
然后将一间隔环相邻于所述光学镜片设置并在镜筒内壁与间隔环之间点设紫外胶;
提供一紫外光源,所述紫外光源发出紫外光线对镜筒内壁与间隔环之间的紫外胶照射,以固化所述紫外胶达到镜筒内壁与间隔环的粘接;以及
在间隔环表面点设紫外胶,将一红外截止滤光片设置于所述间隔环表面并由所述紫外胶粘接,对所述紫外胶加以紫外光照射固化。
紫外光线照射紫外胶的过程中,所述紫外胶会发生膨胀,因此在紫外光线照射镜筒内壁与间隔环之间的紫外胶时,可能会由于固化过程中紫外胶的膨胀而使镜筒与间隔环发生相对位移,从而使间隔环的轴向相对于镜筒的轴向发生偏转;另外,紫外胶固化过程中的膨胀还可能使红外截止滤光片在间隔环表面局部翘起而影响红外截止滤光片的在镜头模组中的光学性能,从而大大影响了组装良率。
发明内容
有鉴于此,有必要提供一种可以提高组装良率的紫外胶固化装置及镜头模组组装方法。
一种紫外胶固化装置,用于固化镜头模组中的元件之间的紫外胶,其包括一个紫外光源和一个镜头模组压合装置。所述紫外光源用于发出紫外光线对所述镜头模组中的元件之间的紫外胶照射,所述镜头模组压合装置用于对所述镜头模组中的元件压合。
一种镜头模组组装方法,采用了上述的紫外胶固化装置,其包括以下步骤:提供一镜筒、一镜片组及一间隔环;将镜片组组装于镜筒中;将间隔环相邻于所述镜片组设置并在镜筒内壁与间隔环之间点设紫外胶;压合所述间隔环,并提供紫外光源对所述紫外胶照射达到固化,以达到镜筒内壁与间隔环之间的粘接。
相对于现有技术,所述的紫外胶固化装置中采用了镜头模组压合装置对所述镜头模组中的元件(如间隔环或红外截止滤光片)压合,有效防止间隔环在紫外胶的固化过程中相对于镜筒的移动,同时防止红外截止滤光片在间隔环表面的局部翘起,从而提高镜头模组的组装良率。
另外,所述镜头模组组装方法的紫外胶固化步骤中由于对所述镜头模组中的元件加以压合,有效提高组装良率。
附图说明
图1是本发明实施例紫外胶固化装置和镜头模组组合立体示意图。
图2是沿图1中II-II方向的截面示意图。
图3和图4是图2中的压合块的另两种实施方式的截面示意图。
图5是本发明第二实施例的镜头模组压合装置的截面示意图。
具体实施方式
下面将结合附图,对本发明作进一步的详细说明。
请参阅图1和图2,为本发明实施例的紫外胶固化装置20与待组装的镜头模组10的组合示意图。所述镜头模组10为半成品,其包括一个镜筒12、设置于镜筒12内的镜片组14以及设置于镜片组14一侧的间隔环16等元件。所述间隔环16与镜筒12内侧之间通过紫外胶18粘接。镜片组14可以为一个镜片,也可以为多个镜片的组合,本实施例以两个镜片的组合为例。
所述紫外胶固化装置20包括一个托盘22、一个紫外光源24以及一个镜头模组压合装置26。所述托盘22用于盛放所述镜头模组10,其表面设置多个成阵列排列的放置槽222,本实施例为便于说明,以放置槽222的个数为4加以说明,所述镜头模组10放置于所述放置槽222内。放置槽222的大小与镜头模组10相适应,以保证镜头模组10可以很好地定位于放置槽222内而不会与托盘22发生相对移动。
所述紫外光源24可以发出紫外光线242,用于固化所述紫外胶18,以达到镜筒12与间隔环16之间的牢固粘接。所述镜头模组压合装置26包括一个透明板262、多个设置于所述透明板262表面的压合块264。所述透明板262用于将压合块264装设于其上,其材料为有机玻璃材料或玻璃等,优选所述有机玻璃材料为透明压克力材料(Acrylic Materials)。当然,所述透明板262也可以为其它透明材料,只要可以被紫外光线242穿透即可。所述压合块264在透明板262表面的排列方式与放置槽222在托盘22上的排列方式相对应,以达到压合块264对设置于放置槽222内的镜头模组10的压合。
本实施例中所述压合块264为圆柱状,其包括一圆锥状端部266。所述间隔环16的中心为一圆形通孔162,所述端部266可以进入所述通孔162并抵压在通孔162的内侧,达到对间隔环16的压合。所述压合块264的外径小于镜筒12,以使紫外光线242可以进入镜筒12内固化所述紫外胶18。
所述紫外胶固化装置20还包括若干夹具28,用于镜头模组压合装置26与镜头模组10的相互位置固定和调节压合块264对所述间隔环16的压力。所述夹具28包括一L形托板282、一端部设置有螺帽284的螺柱286及一个压力调节板288。托盘22设置于所述L形托板282的一表面,L形托板282的一端设置有螺孔(图未示),所述螺孔内侧设置有内螺纹。所述螺柱286的外表面设置有外螺纹2862,螺孔内侧的内螺纹与外螺纹2862可相互啮合。所述压力调节板288表面设置有通孔(图未示),所述通孔尺寸小于所述螺帽284而大于所述螺柱286,螺柱286穿过压力调节板288表面的通孔与所述螺孔内侧的内螺纹啮合连接。压力调节板288和L形托板282形成一“匚”形区(未标示),所述透明板262和托盘22设置于“匚”形区内,所述透明板262被压力调节板288所压合。所述压合块264对间隔环16的压力大小可以通过调节螺柱286进入L形托板282的一端的螺孔的深度来调节。
可以理解,所述28还可以为其它形式,只要能够达到镜头模组压合装置26与镜头模组10的相互位置固定和调节压合块264对所述间隔环16的压力的目的即可。
所述压合块264材料可以为铜、不锈钢、塑胶等材料等,只要可以达到对间隔环16压合的目的即可。可以理解,所述压合块264的端部266的形状还可以为其它形状,如图3所示,压合块264a的端部266a形状可以为圆锥台(削去尖端的圆锥);如图4所示,压合块264b的端部266b形状可以为球形的一部分。
相对于现有技术,本实施例的紫外胶固化装置20由于采用了镜头模组压合装置26,在对镜筒12与间隔环16的紫外胶18加以固化的过程中通过压合块264对间隔环16以一定的压力加以压合,因此可以有效防止间隔环在紫外胶18固化过程中由于紫外胶18的膨胀而发生与镜筒12之间的位移,使固化后的紫外胶18在间隔环16与镜筒12之间的分布更加均匀。
如图5所示,本发明还提供另一实施例的镜头模组压合装置36。镜头模组压合装置36用于压合另一镜头模组40。所述镜头模组40与第一实施例的镜头模组40基本相同,不同之处在于间隔环16安装于镜筒12内之后,在间隔环16表面会设置一红外截止滤光片30,所述红外截止滤光片30与间隔环16之间也采用紫外胶48加以粘接。本实施例的镜头模组压合装置36与第一实施例的镜头模组压合装置26基本相同,不同之处在于本实施例的压合块364的整体为一圆柱体,其端部为一平面,用于压合所述红外截止滤光片30。考虑到红外截止滤光片30为较精密的光学镜片,压合块364的材料可以为特氟纶(Teflon)等材质较软的材料。
本实施例的镜头模组压合装置36用于紫外光线242固化紫外胶48时对所述红外截止滤光片30加以压合,从而可以防止红外截止滤光片30由于紫外胶48膨胀而造成的在间隔环16表面的翘起,同时也使红外截止滤光片30与间隔环16之间的紫外胶48的分布更均匀。
可以理解,本发明实施例的紫外胶固化装置还可以应用于其它的镜头模组中元件组装过程中需要用到紫外胶固化制程的情况,并不限于上述实施例中的间隔环和红外截止滤光片的组装。
请结合图2和图5,本发明还提供另一实施例的一种镜头模组组装方法。所述镜头模组组装方法包括以下步骤:
将镜片组14组装于镜筒12中;
将间隔环16相邻于所述镜片组14设置并在镜筒12内壁与间隔环16之间点设紫外胶18;
压合所述间隔环16,同时提供紫外光源24对所述紫外胶18照射达到固化,以达到镜筒12内壁与间隔环16之间的粘接,本实施例采用镜头模组压合装置26对间隔环16压合;
在间隔环16表面点设紫外胶48,将红外截止滤光片30设置于所述间隔环16表面并由所述紫外胶48粘接;
压合所述红外截止滤光片30,同时提供紫外光源24对所述紫外胶48照射达到固化,以实现红外截止滤光片30与间隔环16的粘接,本实施例采用镜头模组压合装置36对所述红外截止滤光片30压合。
另外,本领域技术人员还可在本发明精神内做其它变化,当然,这些依据本发明精神所做的变化,都应包含在本发明所要求保护的范围之内。
Claims (10)
1.一种紫外胶固化装置,用于固化镜头模组中的元件之间的紫外胶,所述紫外胶固化装置包括一个紫外光源,所述紫外光源用于发出紫外光线对所述镜头模组中的元件之间的紫外胶照射,其特征在于,所述的紫外胶固化装置进一步包括一个镜头模组压合装置,所述镜头模组压合装置用于在对所述镜头模组中的元件压合。
2.如权利要求1所述的紫外胶固化装置,其特征在于,所述镜头模组压合装置包括一透明板及设置于透明板表面的至少一个压合块,所述至少一个压合块压合所述镜头模组中的元件,以保持所述镜头模组中的元件之间的相对固定。
3.如权利要求2所述的紫外胶固化装置,其特征在于,所述压合块的端部为圆锥形、圆锥台形或球形的一部分。
4.如权利要求2所述的紫外胶固化装置,其特征在于,所述压合块的材料为铜、不锈钢或塑胶材料。
5.如权利要求2所述的紫外胶固化装置,其特征在于,所述紫外胶固化装置还包括若干夹具,用于夹持所述镜头模组压合装置和镜头模组,以调节所述压合块对所述镜头模组中的元件的压力。
6.如权利要求5所述的紫外胶固化装置,其特征在于,所述紫外胶固化装置还包括一托盘,所述托盘表面设置有放置槽,所述镜头模组设置于所述放置槽内。
7.如权利要求6所述的紫外胶固化装置,其特征在于,所述夹具包括一L形托板、一端部设置有螺帽的螺柱及一压力调节板,所述托盘设置于所述L形托板的一表面,所述L形托板的一端设置有螺孔,所述压力调节板表面设置有通孔,所述螺柱穿过所述通孔并与所述螺孔啮合连接,所述压力调节板与所述透明板接触并对所述透明板压合。
8.一种镜头模组组装方法,包括以下步骤:
提供一镜筒、一镜片组及一间隔环;
将镜片组组装于镜筒中;
将间隔环相邻于所述镜片组设置并在镜筒内壁与间隔环之间点设紫外胶;
压合所述间隔环,并提供紫外光源对所述紫外胶照射达到固化,以实现镜筒内壁与间隔环之间的粘接。
9.如权利要求8所述的镜头模组组装方法,其特征在于,所述紫外光源对所述镜筒内壁与间隔环之间的紫外胶照射达到固化后,还包括以下步骤:在间隔环表面点设紫外胶;提供一红外截止滤光片设置于所述间隔环表面并由所述紫外胶粘接;压合所述红外截止滤光片,并利用所述紫外光源对红外截止滤光片与间隔环之间的紫外胶照射达到固化,以实现红外截止滤光片与间隔环的粘接。
10.如权利要求8所述的镜头模组组装方法,其特征在于,所述压合所述间隔环的步骤使所述间隔环保持在预定位置进行照射固化的动作。
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US7918261B2 (en) | 2011-04-05 |
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