CN1951843A - 光学元件成型装置 - Google Patents

光学元件成型装置 Download PDF

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CN1951843A
CN1951843A CNA2005101005681A CN200510100568A CN1951843A CN 1951843 A CN1951843 A CN 1951843A CN A2005101005681 A CNA2005101005681 A CN A2005101005681A CN 200510100568 A CN200510100568 A CN 200510100568A CN 1951843 A CN1951843 A CN 1951843A
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die
forming device
outs
knock
element forming
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CN1951843B (zh
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江宗韦
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C2043/3205—Particular pressure exerting means for making definite articles
    • B29C2043/3255—Particular pressure exerting means for making definite articles springs
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
    • B29C2043/3618—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices plurality of counteracting elements
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
    • B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5833—Measuring, controlling or regulating movement of moulds or mould parts, e.g. opening or closing, actuating
    • B29C2043/5841—Measuring, controlling or regulating movement of moulds or mould parts, e.g. opening or closing, actuating for accommodating variation in mould spacing or cavity volume during moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/05—Press-mould die materials
    • C03B2215/06—Metals or alloys
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/49—Complex forms not covered by groups C03B2215/47 or C03B2215/48
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/61—Positioning the glass to be pressed with respect to the press dies or press axis
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type

Abstract

一种光学元件成型装置，用于将一预形件成型为一光学元件。该光学元件成型装置包括一第一模仁、一第二模仁、一脱模件及一弹性元件。该第一模仁与该第二模仁相配合可定义该光学元件形状。该脱模件用于承载该预形件。该弹性元件位于该脱模件与该第二模仁之间，以弹性承载该脱模件于该第二模仁上。

Description

光学元件成型装置
【技术领域】
本发明涉及一种光学元件成型装置，尤其涉及一种透镜成型装置。
【背景技术】
由于光盘播放器、数码相机及摄影机的快速发展，光学元件的应用越来越广泛。如何提高光学元件的制造技术已成为业内人士关注的问题。
目前，光学元件的制造方法主要有注射成型法及压模成型法等。注射成型法主要适用于制造塑料材质的光学元件，压模成型法主要适用于制造玻璃材质的光学元件。其中，压模成型法主要采用一压模成型装置对胚料进行加压，以制成所需形状的透镜。
图1所示为现有技术揭示的透镜成型装置100，其采用压模成型法将一预形件210加工成透镜。该透镜成型装置100包括：一套筒110、一第一模仁120、一第二模仁130及一脱模件140。第一模仁120、第二模仁130及脱模件140位于套筒110中，且脱模件140位于第一模仁120及第二模仁130之间。第一模仁120具有一第一成型面122。第二模仁130具有一突起132。突起132具有一第二成型面134。该第二成型面134与第一模仁120之第一成型面122一同构成透镜之轮廓。脱模件140位于第二模仁130上，用于支撑预形件210，其具有一安装孔142以供突起132穿过。
压模时，第一模仁120沿套筒110向第二模仁130的方向运动，第一成型面122与第二成型面134由两侧对预形件210加压，使预形件210变形以形成所需要的透镜形状。
然而，由于预形件210有时会倾斜地放置于突起132及脱模件140上，故压模操作会造成预形件210的偏心现象。而且上述压模过程在高温高压环境中进行，在透镜成型操作完成后进行的退模操作中，预形件210与第二成型面134之间常常发生粘模现象，即预形件210难于由第二成型面134上脱模。
【发明内容】
有鉴于此，有必要提供一易于脱模的透镜成型装置。
一种光学元件成型装置，用于将一预形件成型为一光学元件。该光学元件成型装置包括一第一模仁、一第二模仁、一脱模件及一弹性元件。该第一模仁与该第二模仁相配合可定义该光学元件形状。该脱模件用于承载该预形件。该弹性元件位于该脱模件与该第二模仁之间，以弹性承载该脱模件于该第二模仁上。
与现有技术相比，由于上述光学元件成型装置采用弹性元件支撑脱模件。当该光学元件成型装置对该预形件进行压模成型操作时，该弹性元件被压缩。压模成型操作完成后，该弹性元件释放弹力，将脱模件弹出，使位于该脱模件上的预形件与第二模仁脱离开。因此，该光学元件成型装置的脱模操作较为简便。
【附图说明】
图1为现有技术揭示的采用压模成型法的透镜成型装置的结构示意图。
图2为本发明一较佳实施方式所揭示的透镜成型装置的结构分解示意图。
图3为上述透镜成型装置装配后合模前沿图2中A-A方向得到的截面图。
图4为图3中透镜成型装置合模后的截面图。
【具体实施方式】
如图2所示，其为本发明一较佳实施方式所揭示的透镜成型装置999。该透镜成型装置999用于对一预形件410进行透镜成型操作，其包括：一套筒310、一第一模仁320、一第二模仁330、一脱模件340及一弹性件350。套筒310将第一模仁320、第二模仁330、脱模件340及一弹性件350收容于其内，并且导引第一模仁320相对于第二模仁330作开模/合模运动。第一模仁320与第二模仁330相配合可定义出预形件410所需成型之透镜形状。脱模件340放置于弹性件350上，以承载预形件410。弹性件350放置于第二模仁330上，以弹性承载脱模件340。
如图3所示，第一模仁320在与第二模仁330相对的端部具有一凹槽322及一第一成型面324。第一成型面324位于凹槽322的底部，用于对预形件410进行挤压以形成所需曲面。
脱模件340具有一定位槽342及一安装孔344。定位槽342位于脱模件340与第一模仁320相对的以部分收容预形件410于其中，从而可稳定预形件410的位置，防止透镜成型装置999进行压模成型操作时预形件410发生偏移。安装孔344位于脱模件340的中间位置。
第二模仁330具有一与第一模仁320相对的表面332。该表面332中部向上延伸形成一凸台334。该凸台334呈圆柱体结构，其由表面332的中间位置向第一模仁320方向垂直延伸而出。凸台334中部进一步向上延伸形成一突起336。突起336具有一第二成型面338。第二成型面338用于对预形件410进行挤压以形成所需曲面。
弹性件350设置于第二模仁330的表面332上，且套设于第二模仁330的凸台334及突起336外。脱模件340放置于弹性件350上，且第二模仁330的突起336部分伸入脱模件340的安装孔344中。其中，弹性件350可以采用弹簧、橡胶垫等材料制成，在本实施例中，其为弹簧。
值得注意的是，上述透镜成型装置999亦可为其它光学元件的成型装置，如棱镜等。
如图4所示，当需要使用该透镜成型装置999对预形件进行压模成型操作时，首先将一预形件410置入透镜成型装置999中的第一模仁320与脱模件340之间，且该预形件410部分收容于脱模件340的定位槽342中，从而有效防止了预形件410偏心现象的发生。然后使第一模仁320向第二模仁330方向挤压上述预形件410，使第一成型面324在上述预形件410上形成对应的曲面。此时，脱模件340抵至第二模仁330的凸台334上，并将弹性件350压缩在脱模件340与第二模仁330的表面332之间。第二模仁330的突起336穿过脱模件340的安装孔344，使第二成型面338在上述预形件410上形成对应的曲面。因此，预形件410被压模成为所需的透镜420。进行脱模操作时，只需将第一模仁320向背离第二模仁330的方向移出套筒310。弹性件350释放弹力，将脱模件340向第一模仁320的方向弹出，从而使透镜420与第二模仁330的第二成型面338分离开。本发明采用弹性件350弹性支撑脱模件340，使该透镜成型装置999的脱模操作较为简便。

Claims (10)

1.一种光学元件成型装置，用于将一预形件成型为一光学元件，该光学元件成型装置包括：一第一模仁及一第二模仁，该第一模仁与该第二模仁相配合可定义该光学元件形状，其特征在于：该光学元件成型装置进一步包括一脱模件及一弹性元件，该脱模件用于承载该预形件，该弹性元件位于该脱模件与该第二模仁之间，以弹性承载该脱模件于该第二模仁上。
2.如权利要求1所述的光学元件成型装置，其特征在于：该第一模仁面对第二模仁的表面上具有一凹槽。
3.如权利要求2所述的光学元件成型装置，其特征在于：该第一模仁具有一第一成型面，该第一成型面位于该凹槽的底部。
4.如权利要求1所述的光学元件成型装置，其特征在于：该第二模仁面对该第一模仁的表面上具有一凸台。
5.如权利要求4所述的光学元件成型装置，其特征在于：该弹性元件为一弹簧，该弹簧套设于该凸台外。
6.如权利要求4所述的光学元件成型装置，其特征在于：该凸台上具有一突起，该突起上具有一第二成型面。
7.如权利要求6所述的光学元件成型装置，其特征在于：该脱模件的中间位置具有一安装孔。
8.如权利要求7所述的光学元件成型装置，其特征在于：该第二模仁的该突起部分伸入该安装孔中。
9.如权利要求1所述的光学元件成型装置，其特征在于：该脱模件具有一定位槽，用于部分收容该预形件。
10.如权利要求1所述的光学元件成型装置，其特征在于：该光学元件成型装置进一步包括一套筒，该套筒用于收容该第一模仁、该第二模仁、该脱模件及该弹性元件。
CN2005101005681A 2005-10-21 2005-10-21 光学元件成型装置 Expired - Fee Related CN1951843B (zh)

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US11/309,610 US20070092592A1 (en) 2005-10-21 2006-08-31 Molding apparatus for optical elements

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