JPH06135729A - Forming device for glass lens - Google Patents
Forming device for glass lensInfo
- Publication number
- JPH06135729A JPH06135729A JP4287786A JP28778692A JPH06135729A JP H06135729 A JPH06135729 A JP H06135729A JP 4287786 A JP4287786 A JP 4287786A JP 28778692 A JP28778692 A JP 28778692A JP H06135729 A JPH06135729 A JP H06135729A
- Authority
- JP
- Japan
- Prior art keywords
- glass lens
- glass
- molding
- frame
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 81
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 238000000465 moulding Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 4
- 239000011436 cob Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/40—Product characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光学機器に使用される
ガラスレンズを精密ガラスモールド成形法で成形するガ
ラスレンズの成形装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass lens molding apparatus for molding a glass lens used in optical equipment by a precision glass molding method.
【０００２】[0002]
【従来の技術】従来におけるガラスモールドの成形品
は、成形加工時に上型と下型とのプレスでガラス素材か
らガラスレンズに成形されるとともに、このガラスレン
ズの周縁部が丸められ、次工程の芯取り加工時に該ガラ
スレンズがその外径を詰められながら周縁部を摺られて
いた。そして、その後の墨塗り工程でガラスレンズの粗
くなった周縁部に有害反射防止用の墨が塗着されてい
た。2. Description of the Related Art A conventional molded glass mold product is molded from a glass material into a glass lens by a press of an upper mold and a lower mold during molding, and the peripheral edge of the glass lens is rounded to form the next step. At the time of centering, the glass lens was slid along its peripheral edge while being packed with its outer diameter. Then, in the subsequent blacking process, black for preventing harmful reflection was applied to the roughened peripheral edge of the glass lens.
【０００３】尚、この種の先行技術文献として特開平２
−１６４７２９号及び２−１６４７３０号公報等があ
る。Incidentally, as a prior art document of this kind, Japanese Patent Laid-Open No. HEI 2
There are 164729 and 2 164730 gazettes.
【０００４】[0004]
【発明が解決しようとする課題】従来におけるガラスモ
ールドの成形品は、成形加工時にガラスレンズの周縁部
が丸められているので、成形加工後のガラスレンズの周
縁部に有害反射防止用の墨を直接塗着しても反射防止効
果が全くなかった。そればかりか、鏡面状態が発生して
有害反射を一層増大させてしまうという欠点があった。In the conventional molded product of the glass mold, the peripheral edge of the glass lens is rounded during the molding process, and therefore, the ink for preventing harmful reflection is attached to the peripheral part of the glass lens after the molding process. Even if it was applied directly, there was no antireflection effect. In addition to that, there is a drawback that a mirror-like state occurs and the harmful reflection is further increased.
【０００５】このため、２次加工として、縁摺り機でガ
ラスレンズの周縁部を荒加工して周面を粗い状態にし、
その後、ガラスレンズの周縁部に有害反射防止用の墨を
塗着するという面倒な芯取り作業が必要不可欠にならざ
るを得ないという欠点があった。For this reason, as a secondary processing, the peripheral portion of the glass lens is roughly processed by an edge trimmer to make the peripheral surface rough,
After that, there was a drawback that the troublesome centering work of applying black ink for preventing harmful reflection to the peripheral edge of the glass lens was indispensable.
【０００６】本発明は上記に鑑みなされたもので、有害
反射の増大を防止することができるとともに、面倒な芯
取り作業を省略し得るガラスレンズの成形装置を提供す
ることを目的としている。The present invention has been made in view of the above, and an object of the present invention is to provide a glass lens molding apparatus capable of preventing an increase in harmful reflection and omitting a troublesome centering operation.
【０００７】[0007]
【課題を解決するための手段】本発明においては上述の
目的を達成するため、成形用の上型と、この上型に対向
する成形用の下型と、これら成形用の上型と下型との間
に介在配置されるガラス素材とを備え、上型と下型とを
プレスしてガラス素材からガラスレンズを成形するもの
において、上記ガラスレンズの周縁部に嵌合される枠形
を備え、この枠形の内周面には、ガラスレンズの周縁部
表面を粗くする粗面を付着するようにしている。In order to achieve the above object in the present invention, an upper mold for molding, a lower mold for molding facing the upper mold, and an upper mold and a lower mold for molding. And a glass material interposed between the glass material and the upper die and the lower die to form a glass lens from the glass material, and a frame shape fitted to the peripheral portion of the glass lens. A rough surface for roughening the peripheral surface of the glass lens is attached to the inner peripheral surface of the frame.
【０００８】また、本発明においては上述の目的を達成
するため、上記枠形に、ガラスレンズの周縁部との着脱
を容易にする割れを形成するようにしている。Further, in the present invention, in order to achieve the above object, the frame is formed with a crack for facilitating attachment / detachment to / from the peripheral portion of the glass lens.
【０００９】さらに、本発明においては上述の目的を達
成するため、上記粗面の表面における粗さを、０．０５
μｍ以下にするようにしている。Further, in the present invention, in order to achieve the above object, the roughness of the surface of the rough surface is set to 0.05.
It is made to be less than μm.
【００１０】[0010]
【作用】本発明によれば、成形時に枠形の任意の面粗度
を有する内周面がガラスレンズの周縁部表面に有害反射
防止用の表面粗さを形成するので、後工程における墨塗
りが容易となる。According to the present invention, the inner peripheral surface having an arbitrary surface roughness of the frame shape at the time of molding forms a surface roughness for preventing harmful reflection on the peripheral surface of the glass lens. Will be easier.
【００１１】また、枠形の内径がガラスレンズの外径を
決定するので、面倒な芯取り作業を確実に省略すること
ができ、しかも、モールド成形の基本的な考え方である
一発成形を極めて容易に実現することが可能となる。Further, since the inner diameter of the frame shape determines the outer diameter of the glass lens, the troublesome centering work can be surely omitted, and the one-shot molding, which is the basic idea of the molding, is extremely effective. It can be easily realized.
【００１２】[0012]
【実施例】以下、図１乃至図４に示す一実施例に基づき
本発明を詳述すると、本発明に係るガラスレンズの成形
装置は、図１及び図４に示す如く、胴型１の内周面に枠
形６を嵌合配置し、この枠形６の内周面には粗面７を塗
着するようにしている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment shown in FIGS. 1 to 4. The glass lens molding apparatus according to the present invention is shown in FIG. 1 and FIG. The frame shape 6 is fitted and arranged on the peripheral surface, and the rough surface 7 is applied to the inner peripheral surface of the frame shape 6.
【００１３】上記胴型１は、図１に示す如く、上下面が
開口した円筒形に構成され、相互に対向する上型２と下
型３とに垂直方向から嵌挿されている。As shown in FIG. 1, the body die 1 is formed in a cylindrical shape having upper and lower surfaces opened, and is vertically inserted into an upper die 2 and a lower die 3 facing each other.
【００１４】この成形用の上型２は、同図に示す如く、
断面ほぼ逆凸字形に構成され、その垂下した垂下部の下
面が滑らかな半球形のキャビテイ面２ａに凹設されてお
り、胴型１の内部に垂直上方から上下動自在に嵌挿され
ている（図１の矢印参照）。The upper mold 2 for molding is, as shown in FIG.
It has a substantially inverted convex cross section, and the lower surface of the hanging part is recessed into a smooth hemispherical cavity surface 2a, and is vertically vertically freely inserted into the body 1 from above. (See arrow in FIG. 1).
【００１５】また、この上型２に垂直下方から対向する
成形用の下型３は、図２に示す如く、断面ほぼ凸字形に
構成され、垂直上方に突出したその突出部の上面が滑ら
かな半球形のキャビテイ面３ａに凹設されており、この
キャビテイ面３ａにほぼ球形のガラスコブ（ガラス素
材）４が配置されている。Further, as shown in FIG. 2, the lower mold 3 for molding which opposes the upper mold 2 from the vertically lower side has a substantially convex cross-section, and the upper surface of the protruding portion protruding vertically upward is smooth. It is recessed in the hemispherical cavity surface 3a, and a substantially spherical glass hump (glass material) 4 is arranged on the cavity surface 3a.
【００１６】然して、このガラスコブ４は、図１と図４
とを対比すれば明白なように、上型２と下型３とのプレ
スに基づいて圧延変形され、凸形のガラスレンズ４Ａに
成形される。However, this glass bump 4 is shown in FIGS.
As is clear from the comparison between (1) and (2), it is rolled and deformed based on the press of the upper die 2 and the lower die 3 to form the convex glass lens 4A.
【００１７】一方、上述した胴型１の内周面には、下型
３のキャビテイ面３ａを水平に囲繞する溝５が、換言す
れば、成形時におけるガラスレンズ４Ａの周縁部を囲繞
する断面ほぼコ字形の溝５がリング状に周設され、この
溝５にはガラスレンズ４Ａの周縁部に嵌合される枠形６
が嵌合配置されており、この枠形６の内周面には、ガラ
スレンズ４Ａの周縁部表面を粗くする粗面７が設けられ
ている。On the other hand, on the inner peripheral surface of the barrel die 1 described above, a groove 5 horizontally surrounding the cavity surface 3a of the lower die 3, in other words, a cross section surrounding the peripheral portion of the glass lens 4A at the time of molding. A substantially U-shaped groove 5 is provided in the shape of a ring, and a frame 6 is fitted in the groove 5 around the periphery of the glass lens 4A.
Is fitted and arranged, and a rough surface 7 that roughens the peripheral surface of the glass lens 4A is provided on the inner peripheral surface of the frame 6.
【００１８】治具である枠形６は、図３に示す如く、溝
５への嵌合配置が容易となるよう分割された３つの弧状
部材６ａからほぼリング状に構成され、溝５の内部にお
ける組立時にはこれら３つの弧状部材６ａの間に隙間で
ある割れ６ｂがそれぞれ形成されるようになっている。
尚、この枠形６の内径はガラスレンズ４Ａの外径を決定
する作用を営む。As shown in FIG. 3, the frame 6 which is a jig is composed of three arc-shaped members 6a which are divided to facilitate the fitting and arrangement in the groove 5, and has a substantially ring shape. At the time of assembling, a crack 6b, which is a gap, is formed between these three arc-shaped members 6a.
The inner diameter of the frame 6 serves to determine the outer diameter of the glass lens 4A.
【００１９】また、溶着される粗面７は、耐熱性を有
し、しかも、粒子径を有する物質（例えば酸化クロム
（Ｃｒ2 Ｏ3 ）等）からなり、図示しない溶射ガンによ
り有害反射防止用の墨として粉末状に溶射されるととも
に、微小の突部となって無数に溶着され、凹凸を形成し
ている。The welded rough surface 7 is made of a substance having a heat resistance and a particle size (for example, chromium oxide (Cr 2 O 3 ), etc.) and is used for preventing harmful reflection by a spray gun (not shown). It is sprayed in the form of powder as black ink, and is innumerably welded as minute protrusions to form irregularities.
【００２０】然して、粗面７は、ガラスレンズ４Ａの周
縁部表面に有害反射防止用の墨として溶着される。尚、
酸化クロムからなる粗面７の溶着時における面粗度は、
２０μｍ〜３０μｍである。However, the rough surface 7 is welded to the surface of the peripheral portion of the glass lens 4A as black for preventing harmful reflection. still,
The surface roughness at the time of welding the rough surface 7 made of chromium oxide is
It is 20 μm to 30 μm.
【００２１】従って、ガラスコブ４から凸形のガラスレ
ンズ４Ａを成形するには、図１に示す如く、下型３のキ
ャビテイ面３ａにガラスコブ４を配置し、この下型３に
枠形６を備えた胴型１を嵌入するとともに、この胴型１
に垂直上方から上型２を嵌挿した後、加熱状態下で下型
３に上型２を圧下すれば良い。Therefore, in order to mold the convex glass lens 4A from the glass hump 4, as shown in FIG. 1, the glass hump 4 is arranged on the cavity surface 3a of the lower mold 3, and the lower mold 3 is provided with the frame shape 6. The body mold 1 is inserted and the body mold 1
After the upper mold 2 is inserted vertically from above, the upper mold 2 may be pressed down onto the lower mold 3 under heating.
【００２２】すると、図１及び図２に示す如く、ガラス
コブ４に上型２のキャビテイ面２ａが圧接され、ガラス
コブ４が圧延変形されて凸形のガラスレンズ４Ａに成形
されるとともに、このガラスレンズ４Ａの周縁部に枠形
６が嵌合される。そして、その後、枠形６の内周面から
ガラスレンズ４Ａの周縁部表面に粗面７が有害反射防止
用の墨として溶着される。Then, as shown in FIGS. 1 and 2, the cavity surface 2a of the upper die 2 is pressed against the glass cob 4 to roll and deform the glass cob 4 to form a convex glass lens 4A. The frame 6 is fitted around the peripheral edge of 4A. Then, after that, the rough surface 7 is welded from the inner peripheral surface of the frame 6 to the peripheral surface of the glass lens 4A as black for preventing harmful reflection.
【００２３】上記構成によれば、成形時に粗面７が枠形
６の内周面からガラスレンズ４Ａの周縁部表面に有害反
射防止用の粗さとして転写されるので、後工程における
墨塗りが容易になる。According to the above construction, since the rough surface 7 is transferred from the inner peripheral surface of the frame 6 to the peripheral surface of the glass lens 4A as roughness for preventing harmful reflection during molding, the redialing in the subsequent step is possible. It will be easier.
【００２４】また、枠形６の内径がガラスレンズ４Ａの
外径を決定するので、縁摺り機でガラスレンズ４Ａの周
縁部を荒加工して周面を粗い状態にするという面倒な芯
取り作業を省略することができ、しかも、モールド成形
の基本的な考え方である一発成形を容易に実現すること
が可能となる。Further, since the inner diameter of the frame shape 6 determines the outer diameter of the glass lens 4A, it is a troublesome centering work in which the peripheral portion of the glass lens 4A is roughly processed by the edging machine to make the peripheral surface rough. Can be omitted, and moreover, it becomes possible to easily realize the one-shot molding, which is the basic idea of molding.
【００２５】また、リング状の枠形６が分割された３つ
の弧状部材６ａから構成されているので、溝５の所定位
置に３つの弧状部材６ａをそれぞれ割れ６ｂを介して嵌
合配置すれば、枠形６を簡単に組み立てることができ、
成形作業の容易化と円滑化とが期待できる。Further, since the ring-shaped frame 6 is composed of the three divided arc-shaped members 6a, if the three arc-shaped members 6a are fitted and arranged at predetermined positions of the groove 5 through the cracks 6b, respectively. , The frame 6 can be easily assembled,
It can be expected that the molding work will be easier and smoother.
【００２６】次に、図５及び図６は本発明の他の実施例
を示すもので、この場合には、上型２に摺接される胴型
１の内周面上部を拡径に構成し、この胴型１の内周面上
部には、枠形６Ａの上面に上方から重合する円筒形の第
２の胴型１Ａを挿脱自在に嵌入するようにしている。Next, FIGS. 5 and 6 show another embodiment of the present invention. In this case, the upper portion of the inner peripheral surface of the barrel die 1 which is slidably contacted with the upper die 2 is constructed to have an enlarged diameter. A cylindrical second barrel die 1A, which overlaps the upper surface of the frame 6A from above, is removably fitted into the upper portion of the inner peripheral surface of the barrel die 1.
【００２７】図６に示す上記枠形６Ａは、上記実施例と
は異なり、一体的なリング状に構成されているが、その
一部にガラスレンズ４Ａからの着脱を容易ならしめる単
一の割れ６ｂが形成されている。その他の部分について
は上記実施例と同様である。Unlike the above embodiment, the frame 6A shown in FIG. 6 is formed in an integral ring shape, but a part of the frame 6A has a single crack that facilitates attachment / detachment to / from the glass lens 4A. 6b is formed. Other parts are the same as those in the above embodiment.
【００２８】従って、ガラスコブ４から凸形のガラスレ
ンズ４Ａを成形するには、図５に示す如く、ガラスコブ
４を搭載した下型３に胴型１を嵌入し、この胴型１の溝
５に枠形６Ａを嵌入するとともに、枠形６Ａの上面に重
合する第２の胴型１Ａを胴型１に嵌入し、第２の胴型１
Ａに垂直上方から上型２を嵌挿した後、加熱状態下で下
型３に上型２を圧下すれば良い。Therefore, in order to mold the convex glass lens 4A from the glass bump 4, as shown in FIG. 5, the barrel die 1 is fitted into the lower die 3 on which the glass bump 4 is mounted, and the groove 5 of the barrel die 1 is fitted. While the frame shape 6A is fitted, the second barrel mold 1A overlapping the upper surface of the frame shape 6A is fitted into the barrel mold 1, and the second barrel mold 1 is inserted.
After inserting the upper die 2 into the A from the vertical upper side, the upper die 2 may be pressed down to the lower die 3 under heating.
【００２９】すると、図５に示す如く、ガラスコブ４に
上型２のキャビテイ面が圧接され、ガラスコブ４が圧延
変形されて凸形のガラスレンズ４Ａに成形されるととも
に、このガラスレンズ４Ａの周縁部に枠形６Ａが嵌合さ
れる。そして、この嵌合の際、枠形６Ａの内周面からガ
ラスレンズ４Ａの周縁部表面に粗面７が転写される。Then, as shown in FIG. 5, the cavity surface of the upper mold 2 is pressed against the glass bump 4 to roll and deform the glass bump 4 to form a convex glass lens 4A, and the peripheral edge portion of the glass lens 4A. The frame shape 6A is fitted in. At the time of this fitting, the rough surface 7 is transferred from the inner peripheral surface of the frame 6A to the peripheral surface of the glass lens 4A.
【００３０】本実施例においても上記実施例と同様の作
用効果が期待し得られ、しかも、枠形６Ａの一部に単一
の割れ６ｂが形成されているので、ガラスレンズ４Ａか
ら枠形６Ａを容易に取り外すことができるのは明白であ
る。In this embodiment, the same effect as that of the above embodiment can be expected, and since the single crack 6b is formed in a part of the frame 6A, the glass lens 4A to the frame 6A are formed. Obviously, the can be easily removed.
【００３１】また、胴型１の拡径に構成した内周面上部
に、枠形６Ａの上面に上方から重合する第２の胴型１Ａ
を挿脱自在に嵌入するようにしているので、一体的なリ
ング状に構成された枠形６Ａを溝５に容易にセットする
ことが可能となる。In addition, on the upper portion of the inner peripheral surface of the barrel die 1 having the expanded diameter, the second barrel die 1A is superposed on the upper surface of the frame 6A from above.
Since it is adapted to be inserted and removed freely, it is possible to easily set the frame-shaped 6A configured in an integral ring shape in the groove 5.
【００３２】尚、上記諸実施例では凸形のガラスレンズ
４Ａを成形するものを示したが、凹形のガラスレンズ４
Ａを成形する場合にも適用することができるのは言うま
でもない。また、上記諸実施例ではリング状の枠形６・
６Ａを使用するものを示したが、四角形等の枠形６・６
Ａを使用するようにしても上記実施例と同様の作用効果
を奏する。In the above-mentioned embodiments, the convex glass lens 4A is formed, but the concave glass lens 4A is used.
It goes without saying that it can be applied to the case of molding A. Further, in the above-mentioned embodiments, the ring-shaped frame 6
Although 6A is used, a frame shape such as a square 6/6
Even if A is used, the same operational effect as that of the above-described embodiment can be obtained.
【００３３】[0033]
【発明の効果】以上のように本発明によれば、成形時に
枠形の内周面からガラスレンズの周縁部表面に粗面の表
面の粗さが転写されるので、後工程における墨塗りが極
めて容易になるという格別の効果がある。As described above, according to the present invention, since the surface roughness of the rough surface is transferred from the inner peripheral surface of the frame to the peripheral surface of the glass lens during the molding, the blackening in the post-process can be performed. It has the special effect of being extremely easy.
【００３４】また、枠形の内径がガラスレンズの外径を
決定するので、面倒な芯取り作業を確実に省略すること
ができ、しかも、モールド成形の基本的な考え方である
一発成形を極めて容易に実現することが可能になるとい
う顕著な効果がある。さらに、製造コストを大幅に削減
することができ、量産時における不良率を著しく抑制す
ることが期待できるという格別の効果が期待できる。Further, since the inner diameter of the frame shape determines the outer diameter of the glass lens, a troublesome centering operation can be surely omitted, and the one-shot molding, which is the basic idea of molding, is extremely effective. It has a remarkable effect that it can be easily realized. Further, it is possible to expect a significant effect that the manufacturing cost can be significantly reduced and the defect rate during mass production can be expected to be significantly suppressed.
【図１】本発明に係るガラスレンズの成形装置の一実施
例を示す断面全体図である。FIG. 1 is an overall cross-sectional view showing an embodiment of a glass lens molding apparatus according to the present invention.
【図２】本発明に係るガラスレンズの成形装置の使用状
態を示す断面全体図である。FIG. 2 is an overall cross-sectional view showing a use state of the glass lens molding apparatus according to the present invention.
【図３】本発明に係るガラスレンズの成形装置の枠形を
示す斜視図である。FIG. 3 is a perspective view showing a frame shape of a glass lens molding apparatus according to the present invention.
【図４】本発明に係るガラスレンズの成形装置のガラス
レンズを示す側面図である。FIG. 4 is a side view showing a glass lens of a glass lens molding apparatus according to the present invention.
【図５】本発明に係るガラスレンズの成形装置の他の実
施例を示す断面全体示す斜視図である。FIG. 5 is a perspective view showing the entire cross section of another embodiment of the glass lens forming apparatus according to the present invention.
【図６】本発明に係るガラスレンズの成形装置の他の実
施例における枠形を示す斜視図である。FIG. 6 is a perspective view showing a frame shape in another embodiment of the glass lens molding apparatus according to the present invention.
１…胴型、１Ａ…第２の胴型、２…上型、３…下型、４
…ガラスコブ（ガラス素材）、４Ａ…ガラスレンズ、６
・６Ａ…枠形、６ｂ…割れ、７…粗面。1 ... Body type, 1A ... Second body type, 2 ... Upper type, 3 ... Lower type, 4
... Glass Cobb (glass material), 4A ... Glass lens, 6
6A ... frame shape, 6b ... cracking, 7 ... rough surface.
Claims (3)
形用の下型と、これら成形用の上型と下型との間に介在
配置されるガラス素材とを備え、上型と下型とをプレス
してガラス素材からガラスレンズを成形するガラスレン
ズの成形装置において、上記ガラスレンズの周縁部に嵌
合される枠形を備え、この枠形の内周面には、ガラスレ
ンズの周縁部表面を粗くする粗面を付着したことを特徴
とするガラスレンズの成形装置。1. An upper mold comprising: a molding upper mold, a molding lower mold facing the upper mold, and a glass material disposed between the molding upper mold and the lower mold. In a glass lens molding device for molding a glass lens from a glass material by pressing a lower mold and a lower mold, a frame shape fitted to a peripheral portion of the glass lens is provided, and an inner peripheral surface of the frame shape has a glass shape. A glass lens molding device, characterized in that a rough surface is attached to roughen the peripheral surface of the lens.
着脱を容易にする割れを形成したことを特徴とする請求
項１に記載のガラスレンズの成形装置。2. The glass lens molding apparatus according to claim 1, wherein the frame shape is formed with a crack that facilitates attachment / detachment to / from the peripheral portion of the glass lens.
５μｍ以下であることを特徴とする請求項１に記載のガ
ラスレンズの成形装置。3. The roughness of the surface of the rough surface is 0.0
The glass lens molding apparatus according to claim 1, wherein the molding apparatus has a thickness of 5 μm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4287786A JPH06135729A (en) | 1992-10-26 | 1992-10-26 | Forming device for glass lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4287786A JPH06135729A (en) | 1992-10-26 | 1992-10-26 | Forming device for glass lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06135729A true JPH06135729A (en) | 1994-05-17 |
Family
ID=17721728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4287786A Pending JPH06135729A (en) | 1992-10-26 | 1992-10-26 | Forming device for glass lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06135729A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008256938A (en) * | 2007-04-04 | 2008-10-23 | Olympus Corp | Optical component and method for manufacturing optical component |
| JP2009280454A (en) * | 2008-05-23 | 2009-12-03 | Olympus Corp | Producing method of optical device and its manufacturing apparatus |
-
1992
- 1992-10-26 JP JP4287786A patent/JPH06135729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008256938A (en) * | 2007-04-04 | 2008-10-23 | Olympus Corp | Optical component and method for manufacturing optical component |
| JP2009280454A (en) * | 2008-05-23 | 2009-12-03 | Olympus Corp | Producing method of optical device and its manufacturing apparatus |
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