JPH0747492B2 - Method and device for manufacturing optical glass element - Google Patents
Method and device for manufacturing optical glass elementInfo
- Publication number
- JPH0747492B2 JPH0747492B2 JP20635286A JP20635286A JPH0747492B2 JP H0747492 B2 JPH0747492 B2 JP H0747492B2 JP 20635286 A JP20635286 A JP 20635286A JP 20635286 A JP20635286 A JP 20635286A JP H0747492 B2 JPH0747492 B2 JP H0747492B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molding
- glass material
- cleaning
- molds
- 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
- 239000005304 optical glass Substances 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title description 6
- 238000000465 moulding Methods 0.000 claims description 42
- 239000011521 glass Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (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
レンス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 disc, an optical disc, 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テクタ
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 focusing the laser on the signal portion of the disk 1, 5 is a half mirror, and 6 is a photodetector 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 for the molding method of glass lenses (for example, Japanese Patent Laid-Open No. 61-68331). 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していないし、
自動化に対応していないため不要の労力を費やすという
問題点を有していた。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 exist, the steps are not continuous,
There is a problem that unnecessary labor is spent because it does not correspond to automation.
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、ガラス素材を設けた成形金
型を金型取入装置に複数個用意した金型取入装置と、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、金型を洗浄する洗浄装置とを備
え、成形金型に設けられたガラス素材を、金型取入，成
形，金型取出，搬送，金型洗浄の５つの連続した工程で
光学ガラス素子を製造するものである。Means for Solving Problems The present invention has been made in view of the above problems, and a mold taking-in device in which a plurality of molding dies provided with a glass material are prepared in a mold taking-in device, and a molding device for molding a glass material. And a mold take-out device for installing a plurality of molds provided with molded glass elements, a carrying device for carrying the molds, and a cleaning device for cleaning the molds. An optical glass element is manufactured by a glass material in five consecutive steps of mold taking-in, molding, mold taking-out, conveyance and mold washing.
作用 本発明は上記した構成によって、ガラス素材を設けた成
形金型を金型取入装置に複数個用意し、上記金型を成形
装置にて成形したのち、上記金型を複数個収納する金型
取出装置に設置し、成形されたガラス素子を取出し、上
記金型を搬送装置にて金型洗浄装置に搬送し洗浄するこ
とにより、ガラス素材を、金型取入，成形，金型取出，
搬送，金型洗浄の５つの連続した工程で順次成形するこ
とにより光学ガラス素子を製造するものである。Action The present invention has the above-described structure, and prepares a plurality of molding dies provided with the glass material in the mold intake device, molds the molds by the molding device, and then stores a plurality of the molds. It is installed in the mold take-out device, the molded glass element is taken out, and the above-mentioned mold is transferred to the mold cleaning device by the transfer device for cleaning, whereby the glass material is taken in, molded, taken out of the mold,
An optical glass element is manufactured by sequentially molding in five consecutive steps of transportation and mold cleaning.
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の平面図を示す
ものである。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は成形装置の
うちの各々加熱装置、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は金型洗浄装置であ
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。Example Hereinafter, a method for molding an optical glass element and an apparatus therefor according to an example of the present invention will be described with reference to the drawings. First
The figure shows a plan view of an optical glass element manufacturing apparatus of the present invention. In FIG. 1, 12 is an optical glass element manufacturing apparatus, 13 is a molding die provided with a glass material to be molded (not shown), 14 is a mold loading apparatus, and 15, 16 and 17 are molding apparatuses. Each of them is a heating device, a press device, and a pressure holding device.
Is a mold take-out device, 19 is a transfer device, and 20 is a mold cleaning device. Molded glass material is installed in the molding die 13 and four pieces are installed in the die 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, it is installed in the press device 16,
The glass material is pressed and molded. Next, the mold is a pressure-holding device.
It is installed at 17 and pressure is maintained until it drops to a certain temperature. Next, the mold is installed in the mold take-out device 18 for storing four molds. 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.
成形した金型の表面には、ガラス素材の主成分である元
素の窒化物、酸化物や、成形雰囲気中のゴミやホコリな
どが付着し表面が汚れることがあるため、搬送装置19内
に設けられた金型洗浄装置20にて金型を洗浄する。洗浄
された金型は搬送装置19にて、金型取入装置14に搬送さ
れ、この直前に被成形ガラス素材が金型内に設置され
る。Since the surface of the molded die may be contaminated by nitrides and oxides of the elements that are the main components of the glass material, and dust and dust in the molding atmosphere, the surface of the mold may be contaminated. The mold is cleaned by the mold cleaning device 20 thus prepared. The washed mold is conveyed by the conveying device 19 to the mold taking-in device 14, and immediately before this, the glass material to be molded is placed in the mold.
このように、ガラス素材を金型取入，成形，金型取出，
搬送，金型洗浄の５つの連続した工程で順次光学ガラス
素子を製造することができる。In this way, glass material is taken in, molded, taken out of the mold,
The optical glass element can be sequentially manufactured by the five continuous steps of transportation and die cleaning.
洗浄装置としては、酸・アルカリなどの化学的エッチン
グ、ポリシング・研磨などの機械的処理、超音波洗浄、
逆電解メッキなどが有効である。As a cleaning device, chemical etching such as acid / alkali, mechanical treatment such as polishing / polishing, ultrasonic cleaning,
Reverse electrolytic plating is effective.
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、成形金型を搬送する搬送
装置と、成形金型を洗浄する金型洗浄装置とを備え、成
形金型に設けられたガラス素材を金型取入，成形，金型
取出，搬送，金型洗浄の５つの連続した工程で順次成形
することにより、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. A mold take-out device that installs a plurality of molds, a conveying device that conveys the molding molds, and a mold cleaning device that cleans the molding molds are provided, and the glass material provided in the molding molds is taken in by the molds. By sequentially molding in five consecutive steps of molding, mold removal, conveyance, and mold cleaning, automation can be achieved, and a large number of optical glass elements with stable performance can be provided at low cost.
また、金型の洗浄装置を同一装置内に具備することによ
り、金型表面に付着した汚れを除去することができるた
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。In addition, by equipping the mold cleaning device in the same device, it is possible to remove the dirt adhering to the mold surface, so that an optical glass element with excellent optical characteristics with little contamination such as dust and dust can be obtained. Can be provided.
第１図は本発明の一実施例における光学ガラス素子の製
造装置の平面図、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。 １……ディスク、２……モータ、３……半導体レーザ、
４……対物レンズ、５……ハーフミラー、６……フォト
ディテクター、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……金型洗浄装置。FIG. 1 is a plan view of an optical glass element manufacturing apparatus according to an embodiment of the present invention, FIG. 2 is a plan view of a conventional optical glass element manufacturing apparatus, and FIG. 3 is a general reproduction player of an optical disk. FIG. 1 ... disk, 2 ... motor, 3 ... semiconductor laser,
4 ... Objective lens, 5 ... Half mirror, 6 ... Photo detector, 12 ... Optical glass element manufacturing device, 13 ...
… Molding mold, 14 …… Mold taking-in device, 15 …… Heating device, 16
...... Press device, 17 …… Pressure holding device, 18 …… Mold unloading device, 19 …… Transfer device, 20 …… Mold cleaning device
Claims (2)
置に複数個設置し、上記成形金型に設けられたガラス素
材を成形装置にて成形した後、上記成形金型を複数個収
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、上記成形金型を搬送する搬送装置内に設けられ
た金型を洗浄する洗浄装置にて上記成形金型を洗浄した
後、上記搬送装置にて金型取入装置に搬送することによ
り、ガラス素材を金型取入，成形，金型取出，搬送，金
型洗浄の５つの連続した工程で順次成形してなる光学ガ
ラス素子の製造方法。1. A plurality of molding dies provided with a glass material are installed in a mold intake device, the glass material provided in the molding dies is molded by the molding device, and then a plurality of the molding dies are formed. After cleaning the molding die with a cleaning device that is installed in a mold take-out device that stores individual pieces, takes out the molded glass element, and cleans the mold provided in the conveying device that conveys the molding mold , An optical glass obtained by sequentially forming a glass material in five consecutive steps of mold intake, molding, mold removal, transfer, and mold cleaning by transferring the glass material to the mold intake device by the above-mentioned transfer device. Device manufacturing method.
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、成形金型を洗浄する金型洗浄装置とを備
え、成形金型に設けられたガラス素材を金型取入，成
形，金型取出，搬送，金型洗浄の５つの連続した工程で
順次成形することを特徴とした光学ガラス素子の製造装
置。2. 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 in the same device. A mold take-out device for installing a plurality of molds, a conveying device for carrying the molds, and a mold cleaning device for cleaning the molds. The glass material provided in the molds is taken in by the mold, An optical glass element manufacturing apparatus characterized by sequentially performing molding in five consecutive steps of molding, mold removal, transportation, and mold cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20635286A JPH0747492B2 (en) | 1986-09-02 | 1986-09-02 | Method and device for manufacturing optical glass element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20635286A JPH0747492B2 (en) | 1986-09-02 | 1986-09-02 | Method and device for manufacturing optical glass element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6364929A JPS6364929A (en) | 1988-03-23 |
| JPH0747492B2 true JPH0747492B2 (en) | 1995-05-24 |
Family
ID=16521889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20635286A Expired - Lifetime JPH0747492B2 (en) | 1986-09-02 | 1986-09-02 | Method and device for manufacturing optical glass element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747492B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365420A (en) * | 2015-07-21 | 2017-02-01 | Daeho科技株式会社 | Mold cleaning apparatus and material loading/unloading apparatus including same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0572935U (en) * | 1992-03-05 | 1993-10-05 | 日本板硝子株式会社 | Belt conveyor type glass heating equipment |
-
1986
- 1986-09-02 JP JP20635286A patent/JPH0747492B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365420A (en) * | 2015-07-21 | 2017-02-01 | Daeho科技株式会社 | Mold cleaning apparatus and material loading/unloading apparatus including same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6364929A (en) | 1988-03-23 |
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