JP3182431B2 - Glass material transfer method for glass forming equipment - Google Patents
Glass material transfer method for glass forming equipmentInfo
- Publication number
- JP3182431B2 JP3182431B2 JP20761391A JP20761391A JP3182431B2 JP 3182431 B2 JP3182431 B2 JP 3182431B2 JP 20761391 A JP20761391 A JP 20761391A JP 20761391 A JP20761391 A JP 20761391A JP 3182431 B2 JP3182431 B2 JP 3182431B2
- Authority
- JP
- Japan
- Prior art keywords
- glass material
- glass
- conveying member
- positioning jig
- conveying
- 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 - Fee Related
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
- C03B11/06—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
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)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、加熱軟化したガラス素
材を一対の成形型によりプレス成形してガラスレンズを
得る為の成形装置におけるガラス素材の搬送方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of conveying a glass material in a forming apparatus for obtaining a glass lens by pressing a softened glass material with a pair of forming dies.
【０００２】[0002]
【従来の技術】従来、ガラス素材の搬送方法としては、
先に本出願人より提案した特開昭６２−１８２１２１号
公報記載の発明がある。2. Description of the Related Art Conventionally, as a method of transporting a glass material,
There is an invention described in Japanese Patent Laid-Open No. 62-182121 previously proposed by the present applicant.
【０００３】上記発明は、図７にて示す如く、ガラス素
材７１を載置した逆切頭円錐形状のゴブ皿７２を、この
ゴブ皿７２と対応する形状の載置部を有する部材（図示
省略）に載置して予備加熱炉内に搬送する工程と、予備
加熱されたガラス素材７１をゴブ皿７２とともに前記部
材から上方に突き上げる工程と、突き上げられたゴブ皿
７２をローティングアーム（図示省略）を移動させてロ
ーティングアーム上に移し替えて保持する工程と、ロー
ティングアームに保持されたゴブ皿７２をローティング
アームを介して本加熱炉内に搬送する工程と、本加熱炉
内にて加熱軟化処理されたガラス素材７１をローディン
グアームを介して成形室内の成形ポイントに搬送する工
程とによりなる搬送方法である。In the above invention, as shown in FIG. 7, an inverted truncated cone-shaped gob plate 72 on which a glass material 71 is placed is formed by a member having a mounting portion having a shape corresponding to the gob plate 72 (not shown). ), Transporting the preheated glass material 71 upward together with the gob plate 72 from the above member, and loading the raised gob plate 72 with a rotating arm (not shown). ) Is transferred to and held on the loading arm, and the step of transferring the gob plate 72 held by the loading arm into the main heating furnace via the rotation arm; And transferring the glass material 71 subjected to the heat softening treatment to a molding point in a molding chamber via a loading arm.
【０００４】[0004]
【発明が解決しようとする課題】しかるに、前記特開昭
６２−１８２１２１号公報記載の方法は、ガラス素材７
１を載置するための載置部７３をゴブ皿７２に設けてい
た。従って、載置部７３はガラス素材７１のみならず成
形されたガラスレンズの外周もその載置部７３に載置で
きるようある程度大きくする必要がある。そのため、ガ
ラス素材７１およびガラスレンズをより小さくして加工
コストを下げようとした場合、自ずと限界があるため、
小径化する上では問題があった。However, the method described in Japanese Patent Application Laid-Open No. Sho 62-182121 does not
1 is provided on the gob plate 72. Therefore, the mounting portion 73 needs to have not only the glass material 71 but also an outer periphery of a molded glass lens to be somewhat large so that it can be mounted on the mounting portion 73. Therefore, when trying to reduce the processing cost by making the glass material 71 and the glass lens smaller, there is naturally a limit,
There was a problem in reducing the diameter.
【０００５】因って、本発明は前記従来技術の問題点に
鑑みて開発されたもので、従来技術のように載置部を有
しない搬送部材によりガラス素材を搬送するガラス成形
装置のガラス素材搬送方法の提供を目的とする。Accordingly, the present invention has been developed in view of the above-mentioned problems of the prior art, and is different from the prior art in that a glass material of a glass forming apparatus for conveying a glass material by a conveying member having no mounting portion is used. The purpose is to provide a transport method.
【０００６】[0006]
【課題を解決するための手段】本発明は、ガラス素材よ
りも熱膨張率の小さな材料で構成された搬送部材の内部
で、位置だし治具によりガラス素材の高さを決める工程
と、上記ガラス素材を加熱することにより膨張させ、上
記ガラス素材の外周面を上記搬送部材の内周面に固定す
る工程と、上記ガラス素材の外周面に固定した状態で搬
送部材を成形位置に搬送する工程と、を有することを特
徴とするガラス成形装置のガラス素材搬送方法である。SUMMARY OF THE INVENTION The present invention comprises a step of determining the height of a glass material by a positioning jig inside a transfer member made of a material having a smaller coefficient of thermal expansion than that of the glass material; Expanding the material by heating, fixing the outer peripheral surface of the glass material to the inner peripheral surface of the conveying member, and conveying the conveying member to a molding position in a state of being fixed to the outer peripheral surface of the glass material; And a method for transporting a glass material of a glass forming apparatus.
【０００７】[0007]
【実施例１】まず、本発明の具体的な実施例を説明する
前に、本発明の概要を説明する。図１および図２は本発
明に係るガラス成形装置のガラス素材搬送方法の概念図
である。１はガラス素材である。２はガラス素材１より
も熱膨張率の小さな材料で形成された載置部を有さない
円筒状の搬送部材である。３は搬送部材２よりも熱膨張
率の小さな材料で形成され、搬送部材２内に遊嵌されて
いる位置だし治具である。そして、前記ガラス素材１は
その外周面が位置だし治具３により搬送部材２内周面上
部のガラス素材嵌合面４の位置へ位置だしされて載置さ
れている。[Embodiment 1] First, before describing a specific embodiment of the present invention, an outline of the present invention will be described. FIG. 1 and FIG. 2 are conceptual diagrams of a glass material conveying method of the glass forming apparatus according to the present invention. 1 is a glass material. Reference numeral 2 denotes a cylindrical transfer member having no mounting portion and made of a material having a smaller coefficient of thermal expansion than the glass material 1. Reference numeral 3 denotes a positioning jig made of a material having a smaller coefficient of thermal expansion than that of the transport member 2 and loosely fitted in the transport member 2. The glass material 1 has its outer peripheral surface positioned by a positioning jig 3 and is positioned at the position of the glass material fitting surface 4 above the inner peripheral surface of the conveying member 2 and is placed thereon.
【０００８】上記状態で、ガラス素材１を加熱軟化する
際におけるガラス素材１と搬送部材２との熱膨張の差を
利用し、ガラス素材１を搬送部材２のガラス素材嵌合面
４に固定するものである。また、位置だし治具３の熱膨
張率を搬送部材２よりも小さくすることで、前記ガラス
素材嵌合面４にガラス素材１を固定した後、搬送部材２
からの位置だし治具３の取り出しが容易となる。In the above state, the glass material 1 is fixed to the glass material fitting surface 4 of the conveying member 2 by utilizing the difference in thermal expansion between the glass material 1 and the conveying member 2 when the glass material 1 is heated and softened. Things. Further, by making the coefficient of thermal expansion of the positioning jig 3 smaller than that of the transfer member 2, the glass member 1 is fixed to the glass material fitting surface 4, and then the transfer member 2 is fixed.
The jig 3 can be easily taken out.
【０００９】次に、本発明の具体的な実施例を図面に基
づいて説明する。図３及び図４は本実施例のガラス素材
搬送方法を実施するためのガラス成形装置を示し、図３
は平面図、図４は縦断面図である。Next, a specific embodiment of the present invention will be described with reference to the drawings. FIGS. 3 and 4 show a glass forming apparatus for carrying out the glass material transfer method of the present embodiment.
Is a plan view and FIG. 4 is a longitudinal sectional view.
【００１０】この装置はガラス素材１を搬送しながらガ
ラスレンズを成形するものであり、図３に示す様にベー
ス１１上には搬送方向左側から右側に向かって投入ステ
ージ１２，加熱テーブル１３，加熱炉１４，成形室１
５，徐冷テーブル１６，排出ステージ１７が順に配列さ
れている。さらに、ベース１１上には排出ステージ１７
の搬送部材２を再び投入ステージ１２へ送るためのガイ
ドレール１８が設置されている。This apparatus forms a glass lens while transporting a glass material 1. As shown in FIG. 3, a loading stage 12, a heating table 13, a heating table 13, Furnace 14, molding room 1
5, a slow cooling table 16 and a discharge stage 17 are arranged in this order. Further, a discharge stage 17 is provided on the base 11.
A guide rail 18 for sending the conveying member 2 to the input stage 12 again is provided.
【００１１】投入ステージ１２は、円筒形状の搬送部材
２および位置だし治具３を組み合わせた状態で整列させ
て順次投入（図面前後方向）されるものであり、図示し
たように投入位置１９においてハンドリングロボット２
０によりガラス素材１が搬送部材２内に投入される。投
入後、ガラス素材１は搬送部材２内の位置だし治具３上
に保持された状態で、加熱テーブル１３上に送りシリン
ダー２１により順次送られる。The loading stage 12 is arranged and sequentially loaded (in the front-rear direction in the drawing) in a state where the cylindrical conveying member 2 and the positioning jig 3 are combined, and is handled at the loading position 19 as shown in the figure. Robot 2
At 0, the glass material 1 is put into the conveying member 2. After being charged, the glass material 1 is sequentially fed by the feed cylinder 21 onto the heating table 13 while being held on the positioning jig 3 in the transport member 2.
【００１２】このとき、位置だし治具３は搬送部材２に
対してガラス素材１の高さを決めるとともに、平行度を
保つ。本実施例においては、搬送部材２の上面とガラス
素材１の上面とを一致させた状態に設定している。At this time, the positioning jig 3 determines the height of the glass material 1 with respect to the conveying member 2 and maintains the parallelism. In the present embodiment, the upper surface of the conveying member 2 and the upper surface of the glass material 1 are set in a state of being matched.
【００１３】図４に示す様に加熱テーブル１３は、その
内部にヒーター２２が内設されており搬送部材２を加熱
するもので、ここにおいてガラス素材１は搬送部材２と
ともに加熱されてその外径が膨張する。このとき同時
に、搬送部材２も膨張するが、ガラス素材１と搬送部材
２との熱膨張率をガラス素材１の方が大きくなるように
構成することにより、ガラス素材１は前記図２に示すよ
うに搬送部材２のガラス素材嵌合面４に締りばめとな
る。As shown in FIG. 4, the heating table 13 is provided with a heater 22 therein to heat the conveying member 2, and here the glass material 1 is heated together with the conveying member 2 and has an outer diameter. Expands. At this time, the conveying member 2 also expands at the same time, but the glass material 1 is configured so that the coefficient of thermal expansion between the glass material 1 and the conveying member 2 is larger in the glass material 1 so that the glass material 1 is as shown in FIG. As a result, the glass member fitting surface 4 of the conveying member 2 is tightly fitted.
【００１４】また、位置だし治具３の材料を搬送部材２
の材料よりも熱膨張率の小さい材料で形成したことによ
り、位置だし治具３と搬送部材２とのはめ合いは加熱に
よりゆるくなる。Further, the material of the positioning jig 3 is transferred to the conveying member 2.
Is formed of a material having a smaller coefficient of thermal expansion than that of the above-mentioned material, the fitting between the positioning jig 3 and the transport member 2 is loosened by heating.
【００１５】その後、加熱炉１４の入口に送られてくる
ことにより、位置だし治具３は加熱炉１４の入口に設け
られた排出孔２３より自然落下して搬送部材２より外れ
る。外れた位置だし治具３は、下方で待機しているコン
ベア２４上に落下する。Thereafter, by being sent to the entrance of the heating furnace 14, the positioning jig 3 naturally falls from the discharge hole 23 provided at the entrance of the heating furnace 14 and separates from the conveying member 2. The detached jig 3 falls onto the conveyor 24 waiting below.
【００１６】図３に示す様にコンベア２４はガイドレー
ル１８の向きに対してベース１１の下方内部へ斜めに設
置されている。コンベア２４の送り方向の端部には位置
だし治具３の取り出し位置を位置決めするためのストッ
パ２５を有する位置だし治具載置台２６が設けられてい
る。As shown in FIG. 3, the conveyor 24 is installed obliquely below the base 11 with respect to the direction of the guide rail 18. At the end of the conveyor 24 in the feed direction, a positioning jig mounting table 26 having a stopper 25 for positioning the position of the positioning jig 3 is provided.
【００１７】上記取り出し位置の上方のベース１１には
位置だし治具３を取り出すための位置だし治具取り出し
孔２７が形成されており、その近傍には位置だし治具３
を位置だし治具載置台２６より取り出し、搬送部材２内
へ投入するためのハンドリングロボット２０が設けられ
ている。A positioning jig take-out hole 27 for taking out the positioning jig 3 is formed in the base 11 above the take-out position, and the positioning jig 3 is provided in the vicinity thereof.
A handling robot 20 is provided for taking out the position from the jig mounting table 26 and putting it into the transport member 2.
【００１８】一方、搬送部材２はガラス素材１の外周部
が熱膨張により当接することで、ガラス素材１を個々に
支承する上下開放の円筒形状になっており、これにより
ガラス素材１の上下の表面が非接触状態で搬送部材２と
共に搬送される。On the other hand, the transporting member 2 has a cylindrical shape which is open and closed to support the glass material 1 individually by contacting the outer peripheral portion of the glass material 1 by thermal expansion. The sheet is conveyed together with the conveying member 2 in a non-contact state.
【００１９】加熱炉１４は加熱テーブル１３に接続さ
れ、搬送部材２に保持されたガラス素材１が通過するこ
とにより、同素材を加熱するものであり、内部が連通状
態となっていると共に、搬送部材２を移動させる搬送路
２８が貫通状態で設置されている。この加熱炉１４はガ
ラス素材１をガラス軟化点以上の成形可能な温度に加熱
するためのものであり、そのための加熱ヒーター２９が
組み込まれている。The heating furnace 14 is connected to the heating table 13 and heats the glass material 1 held by the conveying member 2 when the material passes therethrough. A transport path 28 for moving the member 2 is provided in a penetrating state. The heating furnace 14 is for heating the glass material 1 to a temperature at which the glass material 1 can be molded to a temperature higher than the glass softening point, and incorporates a heater 29 for that purpose.
【００２０】成形室１５は前記加熱炉１４に接続され、
上下に上型３０，下型３１が対向配置され、この上型３
０および下型３１の対向面には所定のレンズ面を形成す
るための成形面が形成されている。この場合、上型３０
は図示しないハウジング上に取り付けられた上板下面に
エアーシリンダーを介して固定されている。一方下型３
１はベース１１を貫通して上下動するプレス軸３２の上
端部に取り付けられている。The molding chamber 15 is connected to the heating furnace 14,
An upper mold 30 and a lower mold 31 are arranged opposite to each other at the top and bottom.
A molding surface for forming a predetermined lens surface is formed on the opposing surfaces of the lower mold 31 and the lower mold 31. In this case, the upper mold 30
Is fixed to the lower surface of an upper plate mounted on a housing (not shown) via an air cylinder. Lower mold 3
1 is attached to the upper end of a press shaft 32 that moves up and down through the base 11.
【００２１】このプレス軸３２は床面上に取り付けられ
たエアーシリンダ３３に支持されており、同シリンダ３
３の動作により上下動が行われる。従って、上型３０お
よび下型３１が上下動することにより、これらがガラス
素材１をプレスし、これによりガラスレンズ３４を成形
する構成となっている。The press shaft 32 is supported by an air cylinder 33 mounted on the floor surface.
The operation 3 moves up and down. Therefore, when the upper mold 30 and the lower mold 31 move up and down, they press the glass material 1 and thereby form the glass lens 34.
【００２２】徐冷テーブル１６はプレス成形されたガラ
スレンズ３４を徐冷するものであり、その内部に徐冷用
のヒーター３５が設けられているとともに、成形室１５
に接続されている。そして、徐冷テーブル１６上に移送
された搬送部材２は、順次徐冷された後、排出ステージ
１７に排出され、ハンドリングロボット２０によりガラ
スレンズ３４が取り出される。The gradual cooling table 16 gradually cools the glass lens 34 formed by press molding. A gradual cooling heater 35 is provided inside the gradual cooling table 16.
It is connected to the. Then, the transport member 2 transferred onto the annealing table 16 is gradually cooled, and then discharged to the discharge stage 17, where the glass lens 34 is taken out by the handling robot 20.
【００２３】以上の構成からなるガラス成形装置を用
い、ガラス素材１にＢＡＬ４１（熱膨張率９×１０-6／
℃）を、搬送部材２に炭化珪素（熱膨張率４×１０-6／
℃）を、位置だし治具３に窒化珪素（熱膨張率３．５×
１０-6／℃）を使用した。Using the glass forming apparatus having the above configuration, the glass material 1 was treated with BAL41 (coefficient of thermal expansion 9 × 10 −6 /
) Is transferred to the transfer member 2 by silicon carbide (thermal expansion coefficient: 4 × 10 -6 /
° C) to the positioning jig 3 with silicon nitride (coefficient of thermal expansion 3.5 ×
10 −6 / ° C.).
【００２４】まず、レンズストッカ３６のガラス素材１
を投入ステージ１２上の搬送部材２内の位置だし治具３
に載置して投入ステージ１２上にセットする。投入ステ
ージ１２で搬送部材２を整列した後、送りシリンダー２
１により、一定間隔で搬送部材２を加熱テーブル１３上
に搬入する。First, the glass material 1 of the lens stocker 36
Is located in the transport member 2 on the loading stage 12 and the jig 3
And set on the loading stage 12. After aligning the transport member 2 on the loading stage 12, the feed cylinder 2
1, the transport member 2 is carried into the heating table 13 at regular intervals.
【００２５】加熱テーブル１３においては搬送部材２は
そこを通過することによりガラス素材１と搬送部材２が
締りばめとなる温度まで連続的に加熱される。In the heating table 13, the conveying member 2 passes therethrough and is continuously heated to a temperature at which the glass material 1 and the conveying member 2 are tightly fitted.
【００２６】ここにおいて、例えばガラス素材１として
ＢＡＬ４１（熱膨張率９×１０-6／℃）で外径が１６mm
のものを、炭化珪素製（熱膨張率４×１０-6／℃）の搬
送部材２で搬送しようとする場合は、室温から２００℃
に加熱すると、ガラス素材１の外径は１６．０２６mmと
なるので、搬送部材２の内径は室温で１６．０１４mmに
設定すれば２００℃で締りばめとなる。尚この場合の温
度としてはガラス素材１のガラス転移点以下であればガ
ラス素材１の変形は起きないので、任意に設定可能であ
る。Here, for example, as the glass material 1, BAL41 (coefficient of thermal expansion: 9 × 10 −6 / ° C.) and an outer diameter of 16 mm
Is to be transported by the transport member 2 made of silicon carbide (coefficient of thermal expansion: 4 × 10 −6 / ° C.), the temperature is changed from room temperature to 200 ° C.
, The outer diameter of the glass material 1 becomes 16.026 mm, so if the inner diameter of the conveying member 2 is set to 16.014 mm at room temperature, the interference fit will be 200 ° C. If the temperature in this case is lower than the glass transition point of the glass material 1, no deformation of the glass material 1 occurs, and the temperature can be arbitrarily set.
【００２７】また、加熱時間はその目標とする温度まで
達するように、加熱テーブル１３の長さおよび送りシリ
ンダー２１の送り速度で設定される。さらに、搬送部材
２の材料としては、耐熱性を有する材料、たとえばＳＵ
Ｓ系の金属材料，超硬合金，あるいは炭化珪素，窒化珪
素，窒化ほう素等のセラミック材がガラス素材１に合わ
せて使用される。The heating time is set by the length of the heating table 13 and the feed speed of the feed cylinder 21 so as to reach the target temperature. Further, as a material of the transport member 2, a material having heat resistance, for example, SU
An S-based metal material, a cemented carbide, or a ceramic material such as silicon carbide, silicon nitride, or boron nitride is used in accordance with the glass material 1.
【００２８】その後搬送部材２は、加熱テーブル１３に
よる加熱後、前述したように加熱炉１４の入口まで送ら
れ、位置だし治具３が落下して外れ、その後加熱炉１４
でガラス素材１が加熱軟化された後、成形室１５で成形
され、徐冷テーブル１６にて室温まで徐冷される。その
後、排出ステージ１７上にて室温まで冷却されることに
よりガラスレンズ３４は、やはり熱膨張率の差により搬
送部材２より外れ取り出される。Thereafter, the transporting member 2 is heated by the heating table 13 and then sent to the inlet of the heating furnace 14 as described above, and the positioning jig 3 falls off and comes off.
After the glass material 1 is heated and softened in the above, the glass material 1 is formed in a forming chamber 15 and gradually cooled to a room temperature on a slow cooling table 16. Thereafter, the glass lens 34 is cooled down to room temperature on the discharge stage 17, so that the glass lens 34 is again removed from the transport member 2 due to the difference in the coefficient of thermal expansion.
【００２９】本実施例の搬送方法によれば、搬送部材２
にガラス素材１を載置するための載置部を必要としない
ので、ガラスレンズ３４をより小さくできる。According to the carrying method of the present embodiment, the carrying member 2
Since a mounting portion for mounting the glass material 1 is not required, the glass lens 34 can be made smaller.
【００３０】[0030]
【実施例２】図５及び図６は本実施例で用いる搬送部材
の断面図である。[Embodiment 2] FIGS. 5 and 6 are sectional views of a conveying member used in this embodiment.
【００３１】本実施例で用いる搬送部材４１は、その内
周面のガラス素材嵌合面４２と同一延長面に上型２６お
よび下型２７の型嵌合部４３，４４を形成した点が前記
実施例１における搬送部材２と異なるもので、他の構成
は同一な構成部分から成るものであり、同一構成部分に
は前記実施例１と同一番号を付して、構成の説明を省略
する。The conveying member 41 used in this embodiment is characterized in that the mold fitting portions 43 and 44 of the upper mold 26 and the lower mold 27 are formed on the same extended surface as the glass material fitting surface 42 on the inner peripheral surface. The third embodiment is different from the conveying member 2 in the first embodiment, and the other components are constituted by the same components. The same components are denoted by the same reference numerals as those in the first embodiment, and the description of the components is omitted.
【００３２】上記構成の搬送部材４１を用いてのガラス
素材搬送方法は、前記実施例１と同様の作用であり作用
の説明を省略する。The method of transporting a glass material using the transport member 41 having the above-described structure has the same operation as that of the first embodiment, and the description of the operation is omitted.
【００３３】本実施例によれば、搬送部材４１を上記の
様な形状に形成したことにより、プレス成形において、
前記実施例１よりも搬送部材４１の上下型２６，２７に
対しての位置決めがより正確に行える。According to the present embodiment, since the conveying member 41 is formed in the shape described above,
The positioning of the transport member 41 with respect to the upper and lower dies 26 and 27 can be performed more accurately than in the first embodiment.
【００３４】尚、以上の各実施例においては、搬送部材
２，４１を成形室に搬送する手段として従来技術におけ
る搬送アーム等を使用することが可能であり、装置の構
成を限定するものではない。また、ガラス素材１を搬送
部材２，４１に加熱して固定する際にガラス素材１のみ
を加熱しても同様の効果が得られる。以上説明したよう
に、各実施例のガラス成形装置のガラス素材搬送方法に
よれば、従来技術に比べてガラス素材及びガラスレンズ
をより小さくする上で効果があり、強いては加工コスト
を下げる上で有利である。In each of the above-described embodiments, a conventional transfer arm or the like can be used as a means for transferring the transfer members 2 and 41 to the molding chamber, and the structure of the apparatus is not limited. . Further, when the glass material 1 is heated and fixed to the conveying members 2 and 41, the same effect can be obtained by heating the glass material 1 alone. As described above, according to the glass material conveying method of the glass forming apparatus of each embodiment, it is effective in making the glass material and the glass lens smaller as compared with the related art, and in order to reduce the processing cost when forced. It is advantageous.
【００３５】[0035]
【発明の効果】本発明に係るガラス成形装置のガラス素
材搬送方法によれば、搬送部材及びガラス素材を小さく
することができ、加工コストを下げることができる。According to the glass material conveying method of the glass forming apparatus according to the present invention, the conveying member and the glass material can be reduced, and the processing cost can be reduced.
【図１】本発明を示す概念図である。FIG. 1 is a conceptual diagram illustrating the present invention.
【図２】本発明を示す概念図である。FIG. 2 is a conceptual diagram illustrating the present invention.
【図３】実施例１を示す平面図である。FIG. 3 is a plan view showing the first embodiment.
【図４】実施例１を示す縦断面図である。FIG. 4 is a longitudinal sectional view showing the first embodiment.
【図５】実施例２を示す断面図である。FIG. 5 is a sectional view showing a second embodiment.
【図６】実施例２を示す断面図である。FIG. 6 is a sectional view showing a second embodiment.
【図７】従来例を示す断面図である。FIG. 7 is a sectional view showing a conventional example.
１ ガラス素材 ２ 搬送部材 ３ 位置だし治具 ４ ガラス素材嵌合面 DESCRIPTION OF SYMBOLS 1 Glass material 2 Conveying member 3 Positioning jig 4 Glass material fitting surface
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−308839（ＪＰ，Ａ) 特開 昭64−45733（ＪＰ，Ａ) 特開 昭62−182121（ＪＰ，Ａ) 実願 平１−35795号（実開 平２− 125936号）の願書に添付した明細書及び 図面の内容を撮影したマイクロフィルム （ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) C03B 11/00 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-308839 (JP, A) JP-A-64-45733 (JP, A) JP-A-62-182121 (JP, A) Jpn. Microfilm (JP, U) photographing the contents of the specification and drawings attached to the application form No. 35795 (Japanese Utility Model Application No. 2-125936) (58) Fields investigated (Int. Cl. 7 , DB name) C03B 11 / 00
Claims (1)
で構成された搬送部材の内部で、位置だし治具によりガ
ラス素材の高さを決める工程と、 上記ガラス素材を加熱することにより膨張させ、上記ガ
ラス素材の外周面を上記搬送部材の内周面に固定する工
程と、 上記ガラス素材の外周面に固定した状態で搬送部材を成
形位置に搬送する工程と、 を有することを特徴とするガラス成形装置のガラス素材
搬送方法。1. A step of determining the height of a glass material by a positioning jig inside a transfer member made of a material having a smaller coefficient of thermal expansion than a glass material, and expanding the glass material by heating. Fixing the outer peripheral surface of the glass material to the inner peripheral surface of the transport member, and transporting the transport member to a molding position in a state of being fixed to the outer peripheral surface of the glass material. Glass material transfer method for glass forming equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20761391A JP3182431B2 (en) | 1991-07-24 | 1991-07-24 | Glass material transfer method for glass forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20761391A JP3182431B2 (en) | 1991-07-24 | 1991-07-24 | Glass material transfer method for glass forming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0524862A JPH0524862A (en) | 1993-02-02 |
| JP3182431B2 true JP3182431B2 (en) | 2001-07-03 |
Family
ID=16542691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20761391A Expired - Fee Related JP3182431B2 (en) | 1991-07-24 | 1991-07-24 | Glass material transfer method for glass forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3182431B2 (en) |
-
1991
- 1991-07-24 JP JP20761391A patent/JP3182431B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524862A (en) | 1993-02-02 |
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