JPH07108778B2 - Optical glass element manufacturing equipment - Google Patents
Optical glass element manufacturing equipmentInfo
- Publication number
- JPH07108778B2 JPH07108778B2 JP15314686A JP15314686A JPH07108778B2 JP H07108778 B2 JPH07108778 B2 JP H07108778B2 JP 15314686 A JP15314686 A JP 15314686A JP 15314686 A JP15314686 A JP 15314686A JP H07108778 B2 JPH07108778 B2 JP H07108778B2
- Authority
- JP
- Japan
- Prior art keywords
- molding
- mold
- glass element
- molded
- clean air
- 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.)
- Expired - Lifetime
Links
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
- C03B11/005—Pressing under special atmospheres, e.g. inert, reactive, vacuum, clean
-
- 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
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/66—Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明はコンパクトディスク、光ディスクなどに用いる
レンズなどの光学ガラス素子の製造方法および光学ガラ
ス素子の製造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 method for manufacturing an optical glass element such as a lens used for a compact disk, an optical disk, etc., and an optical glass element manufacturing apparatus.
従来の技術 一般に光ディスクはその情報密度が極めて大きいこと
や、S/N比が大きく、ノイズが少ないことなど情報媒体
として有望視され、ビデオディスクやディジタルオーデ
ィオディスクとして商品化され、ディジタル信号を記録
・消去する光ディスクとしても最近研究開発が行われて
いる。Conventional technology Generally, optical discs are promising as information media due to their extremely high information density, large S / N ratio, and low noise, and they have been commercialized as video discs and digital audio discs for recording digital signals. Recently, research and development have also been carried out as an optical disc to be erased.
第３図にこのような光ディスクの再生プレヤーの概要を
示す断面図を示す。図中、１はディスク、２はディスク
１を回転させるモータ、３は照射用の半導体レーザ、４
はレーザの焦点をディスク１の信号部に絞る対物レン
ズ、５はハーフミラー、６は検出用のフォトディラクタ
である。FIG. 3 is a sectional view showing an outline of a reproducing player for such an optical disc. In the figure, 1 is a disc, 2 is a motor for rotating the disc 1, 3 is a semiconductor laser for irradiation, 4
Is an objective lens for narrowing the focus of the laser to the signal portion of the disk 1, 5 is a half mirror, and 6 is a photodractor for detection.
光ディスクの一種であるコンパクトディスクの場合、信
号は幅が0.5μｍ、長さが0.9〜3.2μｍ、深さが0.1μｍ
という微小であるため、再生用の光学素子は高精度が要
求される。このために対物レンズとしては、材質として
アクリルなどのプラスチック材料やガラス材料、成形法
としてはプレス法、インジェクション法などがある。一
般にプラスチックレンズは温度、湿度などに影響されよ
く、環境や経時変化などにも不利である。一方ガラスレ
ンズは特性は優れているもののその製造法は比較的難か
しいなどの問題を有していた。In the case of a compact disc, which is a type of optical disc, the signal has a width of 0.5 μm, a length of 0.9 to 3.2 μm, and a depth of 0.1 μm.
Therefore, the reproducing optical element is required to have high accuracy. For this purpose, the objective lens includes a plastic material such as acrylic or a glass material as a material, and a pressing method, an injection method or the like as a molding method. Generally, a plastic lens is susceptible to temperature, humidity, etc., and is also disadvantageous to the environment and changes with time. On the other hand, the glass lens has excellent characteristics, but has a problem that its manufacturing method is relatively difficult.
最近ガラスレンズの成形方法については多くの特許が出
願されている。（例えば特開昭61−68331号公報など）
しかし、これらは成形の一工程を開示したものである。Recently, many patents have been filed regarding the method of molding a glass lens. (For example, JP 61-68331 A)
However, these disclose one molding step.
また、従来の光学ガラス素子の製造装置として第２図に
その平面図を示す。第２図にて、７が従来の光学ガラス
素子の成形装置、８は成形金型、９は金型取入装置、10
は成形装置、11は金型取出装置である。FIG. 2 shows a plan view of a conventional optical glass element manufacturing apparatus. In FIG. 2, 7 is a conventional optical glass element molding apparatus, 8 is a molding die, 9 is a die loading apparatus, 10
Is a molding device, and 11 is a mold take-out device.
発明が解決しようとする問題点 しかしながら、上記のような構成では、金型取入装置と
金型取出装置は存在するものの工程は連続せず自動化に
対応していないことや、クリーン化に対応していないた
め、成形時にゴミやホコリなどの不純物を含み易いなど
の欠点を有していた。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-described configuration, although the mold take-in device and the mold take-out device are present, the process is not continuous and does not correspond to automation, and it corresponds to cleaning. Therefore, it has a defect that impurities such as dust and dust are likely to be contained during molding.
問題点を解決するための手段 本発明は上記問題点に鑑み、同一装置内に被成形ガラス
素材を設けた成形金型を複数個設置する金型取入装置
と、ガラス素材を成形する成形装置と、成形されたガラ
ス素子を設けた金型を複数個設置する金型取出装置と、
金型を搬送する搬送装置と、清浄空気吹出装置とを備
え、上記清浄空気吹出装置からクリーンエアーを吹出し
クリーン雰囲気中で、ガラス素材を金型取入、成形、金
型取出、搬送の工程で光学ガラス素子を製造する装置で
ある。Means for Solving the Problems The present invention has been made in view of the above problems, and a mold receiving device that installs a plurality of molding dies provided with a glass material to be molded in the same device, and a molding device that molds the glass material. And a mold take-out device for installing a plurality of molds provided with molded glass elements,
Equipped with a conveying device for conveying molds and a clean air blowing device, blowing clean air from the clean air blowing device in a clean atmosphere, in the steps of mold loading, molding, unloading and carrying glass materials. This is an apparatus for manufacturing an optical glass element.
作用 本発明は上記した構成によって、同一装置内に備えた清
浄空気吹出装置からクリーンエアーを吹出し、クリーン
雰囲気中で、被成形ガラス素子を設けた成形金型を複数
個金型取入装置に設置し、成形装置にて上記ガラス素子
を成形し、複数個の金型を収納する金型取出装置に設置
し、成形されたガラス素子を取出し、搬送装置にて金型
を搬送することにより、ガラス素材を金型取入、成形、
金型取出、搬送の工程で順次光学ガラス素子を製造する
装置を提供するものである。Effect of the Invention With the above-described structure, the present invention blows clean air from the clean air blowing device provided in the same device, and installs a plurality of molding dies provided with the glass element to be molded in the mold intake device in a clean atmosphere. Then, the glass element is molded by a molding device, installed in a mold take-out device that houses a plurality of molds, the molded glass element is taken out, and the mold is conveyed by a conveying device to obtain a glass. Material acquisition, molding,
The present invention provides an apparatus for sequentially manufacturing an optical glass element in the steps of taking out a mold and carrying it.
実 施 例 以下本発明の一実施例の光学ガラス素子の成形方法およ
びその装置について図面を参照しながら説明する。第１
図は本発明の光学ガラス素子の製造装置を示し、第１図
（ａ）は平面図、第１図（ｂ）はその正面図である。第
１図において、12は光学ガラス素子の製造装置、13は被
成形ガラス素材（図示せず）の設けられた成形金型、14
は金型取入装置、15,16,17は成形装置を構成する各々加
熱装置、プレス装置、保圧装置であり、18は金型取出装
置、19は搬送装置、20は本装置の空間部であり、21は清
浄空気吹出装置、22はクリーンエアー、23は空間部20に
設けられた開口部である。成形ガラス素材が成形金型13
に設置され、金型取入装置14に４個設置されている。第
１の金型がａ位置に設置された場合に、成形装置を構成
する加熱装置15に設置され、金型を加熱する。次にプレ
ス装置16に設置され、ガラス素材が押圧され成形され
る。次に金型は保圧装置17に設置され一定温度に下がる
まで保圧する。次に金型は４個収納する金型取出装置18
に設置される。ここで金型取出位置のｂ位置に設置され
た金型は搬送装置19にて搬送され、成形されたガラス素
子が取出される。Examples Hereinafter, a method for molding an optical glass element and an apparatus therefor according to an embodiment of the present invention will be described with reference to the drawings. First
The figure shows an apparatus for producing an optical glass element of the present invention. Fig. 1 (a) is a plan view and Fig. 1 (b) is a front view thereof. In FIG. 1, reference numeral 12 is an optical glass element manufacturing apparatus, 13 is a molding die provided with a glass material to be molded (not shown), and 14 is a molding die.
Is a mold take-in device, 15, 16 and 17 are a heating device, a press device, and a pressure-holding device that constitute the molding device, 18 is a mold take-out device, 19 is a transfer device, and 20 is a space portion of this device. 21 is a clean air blowing device, 22 is clean air, and 23 is an opening provided in the space 20. Molded glass material is mold 13
And four of them are installed in the mold intake device 14. When the first mold is installed at the position a, it is installed in the heating device 15 constituting the molding device to heat the mold. Next, the glass material is set in the press device 16, and the glass material is pressed and molded. Next, the mold is installed in the pressure maintaining device 17 and pressure is maintained until it falls to a constant temperature. Next, a mold take-out device 18 that stores four molds.
Is installed in. Here, the mold set at the position b of the mold take-out position is carried by the carrying device 19 and the molded glass element is taken out.
従来の成形工程においては成形雰囲気中のゴミやホコリ
などの不純物により成形されたガラス素子にコンタミネ
ーションが付着することがある。本装置はこの点を鑑み
本装置内には清浄空気吹出装置21を設け、クリーンエア
ー22の吹出されたクリーン雰囲気中で、ガラス素材を金
型取入、成形、金型取出、搬送の連続した工程で順次光
学ガラス素子を製造する装置を提供するものである。In the conventional molding process, contamination may adhere to the molded glass element due to impurities such as dust and dust in the molding atmosphere. In view of this point, this device is provided with a clean air blowing device 21 in the device, and in the clean atmosphere in which the clean air 22 is blown out, glass material is continuously taken in, molded, taken out, and conveyed. An apparatus for sequentially manufacturing optical glass elements in a process is provided.
また、同一装置内の空間部20に開口部23を設け、成形さ
れたガラス素子を取出すことにより、被成形ガラス素材
および成形されたガラス素子の自動取出入れが可能とな
り自動化に対応し量産性の向上を図ることができる。Further, by providing an opening 23 in the space 20 in the same apparatus and taking out the molded glass element, it is possible to automatically take in and out the glass material to be molded and the molded glass element, which corresponds to automation and is suitable for mass production. It is possible to improve.
発明の効果 以上のように本発明は、ガラス素材を設けた成形金型を
複数個設置する金型取入装置と、ガラス素材を成形する
成形装置と、成形されたガラス素子を設けた成形金型を
複数個設置する金型取出装置と、成形金型を搬送する搬
送装置と、清浄空気吹出装置とを備え、清浄空気吹出装
置からのクリーンエアー下で、ガラス素材を金型取入，
成形，金型取出，搬送の工程で順次成形することによ
り、設備の自動化が図れ性能の安定した光学ガラス素子
を安価に大量に提供することができる。EFFECTS OF THE INVENTION As described above, the present invention provides a mold take-in device for installing a plurality of molding dies provided with a glass material, a molding device for molding a glass material, and a molding die provided with a molded glass element. It is equipped with a mold take-out device for installing a plurality of molds, a carrying device for carrying a molding mold, and a clean air blowing device, and takes in a glass material under the clean air from the clean air blowing device.
By sequentially forming in the steps of molding, removing the mold, and conveying, the equipment can be automated and a large number of optical glass elements with stable performance can be provided at low cost.
また，清浄空気吹出装置を本装置内に具備することによ
り、清浄空気吹出装置からのクリーン下で成形できるた
め、ゴミ・ホコリなどのコンタミネーションの少ない光
学特性の優れた光学ガラス素子を提供することができ
る。Further, by providing a clean air blowing device in this device, it is possible to perform molding under clean conditions from the clean air blowing device, and thus to provide an optical glass element with excellent optical characteristics with little contamination such as dust and dust. You can
第１図（ａ），（ｂ）は本発明の一実施例である光学ガ
ラス素子の製造装置を示す平面図および正面図、第２図
は従来の光学ガラス素子の製造装置の平面図、第３図は
一般的な光ディスクの再生プレヤーの概要を示す断面図
である。 12……光学ガラス素子の製造装置、13……成形金型、14
……金型取入装置、15……加熱装置、16……プレス装
置、17……保圧装置、18……金型取出装置、19……搬送
装置、20……密閉された空間、21……清浄空気吹出装
置、22……クリーンエアー、23……開口部。1 (a) and 1 (b) are a plan view and a front view showing an optical glass element manufacturing apparatus according to an embodiment of the present invention, and FIG. 2 is a plan view of a conventional optical glass element manufacturing apparatus. FIG. 3 is a sectional view showing the outline of a reproducing player for a general optical disc. 12 …… Optical glass element manufacturing equipment, 13 …… Molding die, 14
…… Mold take-in device, 15 …… Heating device, 16 …… Press device, 17 …… Pressure holding device, 18 …… Mold unloading device, 19 …… Transfer device, 20 …… Sealed space, 21 …… Clean air blowing device, 22 …… Clean air, 23 …… Opening part.
Claims (2)
成形金型を複数固設置する金型取入装置と、上記ガラス
素材を成形する成形装置と、成形されたガラス素子を設
けた成形金型を複数個設置する金型取出装置と、成形金
型を金型取出装置から金型取入装置へ搬送する搬送装置
と、清浄空気吹出装置とを備え、上記清浄空気吹出装置
からクリーンエアーを吹出しクリーン雰囲気中で、上記
ガラス素材を金型取入、成形、金型取出、搬送の工程で
順次成形するように構成したことを特徴とする光学ガラ
ス素子の製造装置。1. A mold take-in device for solidly installing a plurality of molds provided with a glass material to be molded, a molding device for molding the glass material, and a molded glass element in the same device. A mold take-out device that installs a plurality of molding dies, a conveying device that conveys the molding dies from the mold take-out device to the mold take-in device, and a clean air blowing device are provided, and the clean air blowing device is clean. An apparatus for manufacturing an optical glass element, characterized in that the glass material is sequentially molded in a mold taking-in process, a molding process, a mold taking-out process, and a conveying process in a clean atmosphere.
空気吹出装置を備え、同一装置内に開口部を設けること
により成形されたガラス素子を取出す取出装置を備えた
ことを特徴とする特許請求の範囲第１項記載の光学ガラ
ス素子の製造装置。2. A clean air blowing device is provided in an upper part of a substantially sealed space in the device, and a take-out device for taking out a molded glass element by providing an opening in the same device. An apparatus for manufacturing an optical glass element according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15314686A JPH07108778B2 (en) | 1986-06-30 | 1986-06-30 | Optical glass element manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15314686A JPH07108778B2 (en) | 1986-06-30 | 1986-06-30 | Optical glass element manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6311530A JPS6311530A (en) | 1988-01-19 |
| JPH07108778B2 true JPH07108778B2 (en) | 1995-11-22 |
Family
ID=15556021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15314686A Expired - Lifetime JPH07108778B2 (en) | 1986-06-30 | 1986-06-30 | Optical glass element manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07108778B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686298B2 (en) * | 1988-03-24 | 1994-11-02 | キヤノン株式会社 | Glass material forming equipment |
| JP2795305B2 (en) * | 1994-03-18 | 1998-09-10 | 大豊工業株式会社 | Plain bearing |
| JP2974042B2 (en) * | 1994-03-18 | 1999-11-08 | 大豊工業株式会社 | Plain bearing |
| JP2974044B2 (en) * | 1994-03-18 | 1999-11-08 | 大豊工業株式会社 | Plain bearing |
| JP2850941B2 (en) * | 1994-03-18 | 1999-01-27 | 大豊工業株式会社 | Plain bearing |
| JP2795306B2 (en) * | 1994-03-18 | 1998-09-10 | 大豊工業株式会社 | Bearing device |
| EP3218317B1 (en) | 2014-11-13 | 2018-10-17 | Gerresheimer Glas GmbH | Glass forming machine particle filter, a plunger unit, a blow head, a blow head support and a glass forming machine adapted to or comprising said filter |
-
1986
- 1986-06-30 JP JP15314686A patent/JPH07108778B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6311530A (en) | 1988-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2570402B2 (en) | Optical information recording medium molding device | |
| EP0024194A1 (en) | Optical record disc and method of making it | |
| JPH07108778B2 (en) | Optical glass element manufacturing equipment | |
| JPH0735260B2 (en) | Method and device for manufacturing optical glass element | |
| JPH0747492B2 (en) | Method and device for manufacturing optical glass element | |
| JPS6364930A (en) | Production device for optical glass element | |
| JPH0142811B2 (en) | ||
| JPH0695394B2 (en) | Optical disk manufacturing method and device | |
| JPH03144942A (en) | Production of optical disk | |
| JP2693950B2 (en) | Substrate molding method for optical disk | |
| JPS6376130A (en) | Production of optical disk | |
| JPH04221444A (en) | Optical disk manufacturing device | |
| JPH02122445A (en) | Production of optical disk substrate | |
| JPH1177778A (en) | Reduction of deformation of disk substrate | |
| JPH06267116A (en) | Production of optical disk and its device | |
| US20040265753A1 (en) | Manufacturing method of cover layer of optical information storage media | |
| JPH04153930A (en) | Production and device of optical disk | |
| JPS6079542A (en) | Manufacture of information recording body and its manufacturing device | |
| JPH0831023A (en) | Production of disk without having through-hole in central part and production of disk having small-diameter through-hole in central part and the disk | |
| JP2592093B2 (en) | Optical disc manufacturing method | |
| JPH06318342A (en) | Base plate used for making die for manufacture of optical record carrier and its preparation | |
| JPH0695393B2 (en) | Optical disk manufacturing method and device | |
| JPS60217544A (en) | Manufacture of test disk for digital signal reproduction | |
| JPH06182827A (en) | Releasing method for disc molded product | |
| JPS62129960A (en) | Method and device for manufacturing optical disk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |