JPH089142Y2 - Glass mold - Google Patents
Glass moldInfo
- Publication number
- JPH089142Y2 JPH089142Y2 JP1989090022U JP9002289U JPH089142Y2 JP H089142 Y2 JPH089142 Y2 JP H089142Y2 JP 1989090022 U JP1989090022 U JP 1989090022U JP 9002289 U JP9002289 U JP 9002289U JP H089142 Y2 JPH089142 Y2 JP H089142Y2
- Authority
- JP
- Japan
- Prior art keywords
- sio
- molding
- cao
- glass
- 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.)
- Expired - Lifetime
Links
Landscapes
- Producing Shaped Articles From Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は加熱炉内等で板ガラスを曲げ成形する型に関
する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a mold for bending a sheet glass in a heating furnace or the like.
（従来の技術） 板ガラスを曲げ成形するには、加熱炉内で板ガラスを
軟化点近くまで加熱し、これを炉該又は炉内で成形型を
用いて成形するようにしている。そして、炉外であれば
雰囲気温度が高くないので金属製の成形型を用いること
ができるが、炉内で成形する場合は雰囲気温度が高いの
で耐熱無機材料を用いている。具体的には特開昭64-141
22号に開示されるように、シリカ・アルミナ系セラミッ
クファイバー、シリカファイバー、アルミナファイバー
等のセラミックファイバ、ロックウール、硅酸カルシウ
ム、パーライト及び軽量キャスタブルが知られている。(Prior Art) In order to bend and plate a sheet glass, the sheet glass is heated to near the softening point in a heating furnace, and this is molded in the furnace or in a furnace using a molding die. Since the atmosphere temperature is not high outside the furnace, a metal mold can be used, but when molding in the furnace, the heat resistant inorganic material is used because the atmosphere temperature is high. Specifically, JP-A 64-141
As disclosed in No. 22, ceramic fibers such as silica / alumina ceramic fibers, silica fibers, alumina fibers, rock wool, calcium silicate, perlite, and lightweight castable are known.
（考案が解決しようとする課題） ところでガラス成形型として要求される特性を挙げる
と以下の通りである。(Problems to be solved by the invention) By the way, the characteristics required for a glass molding die are as follows.
高温部で使用できること、加工性が良く後加工がで
きること、表面が緻密であること、熱変形が小さい
こと、亀裂が入りにくいこと、軽量であること、
大寸法のものを作り易いこと。Can be used in high temperature parts, has good workability and can be post-processed, has a dense surface, has little thermal deformation, is resistant to cracking, and is lightweight,
Easy to make large size.
ここで従来の成形型を構成する無機材料としてAl2O3
−SiO2系のもの及びSiO2−CaO系のものがあるが、前者
の材料にあっては前記項目，，，については満
足するが、及びについては問題がある。また後者の
材料にあては前記項目，の点は満足するが、他の項
目について満足できない。Here, Al 2 O 3 is used as the inorganic material that constitutes the conventional mold.
There are -SiO 2 -based ones and SiO 2 -CaO-based ones, but the former materials satisfy the above items ,,, but there are problems with and. The latter material satisfies the above items, but cannot satisfy the other items.
（課題を解決するための手段） 上記課題を解決すべく本考案は、Al2O3−SiO2−CaO系
の無機材料にてガラス成形型を構成し、更にAl2O3は30
〜42wt％、SiO2は24〜62wt％、CaOは５〜37wt％とし、
前記ガラス成形型は成形部とベース部からなると共に、
前記成形部についてはAl2O3が32〜42wt％、SiO2が24〜4
7wt％、CaOが18〜37wt％であり、前記ベース部について
はAl2O3が30〜34wt％、SiO2が58〜62wt％、CaOが５〜9w
t％となるようにした。The present invention to solve the above problems (Means for Solving the Problems) constitutes a glass mold at Al 2 O 3 -SiO 2 -CaO-based inorganic material, more Al 2 O 3 30
〜42wt%, SiO 2 24〜62wt%, CaO 5〜37wt%,
The glass mold comprises a molding part and a base part,
Regarding the molded part, Al 2 O 3 is 32 to 42 wt% and SiO 2 is 24 to 4 wt%.
7 wt%, CaO is 18-37 wt%, Al 2 O 3 is 30-34 wt%, SiO 2 is 58-62 wt%, CaO is 5-9w for the base portion.
It became t%.
（作用） Al2O3が30〜42wt％、SiO2が24〜62wt％、CaOが５〜37
wt％含まれるセラミックスラリーを鋳型内に鋳込み、水
分を除去して乾燥せしめた後、焼成することでガラス成
形型を得る。(Function) Al 2 O 3 is 30 to 42 wt%, SiO 2 is 24 to 62 wt%, CaO is 5 to 37
A glass molding die is obtained by casting a ceramic slurry containing wt% into a mold, removing water to dry the slurry, and then firing.
（実施例） 以下に本考案の実施例を添付図面に基づいて説明す
る。(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は本考案に係るガラス成形型の断面図であり、
成形型１は昇降自在な分離床２上に設けられるととも
に、成形型１は上半の成形部３と下半のベース部４とか
らなり、これら成形部３とベース部４間には圧気源につ
ながる配管５が開口する空間部６が形成され、また成形
部３の上面はNC加工によって目的とする製品形状となっ
た成形面７となっており、この成形面７と空間部６とを
小孔８にて連通している。尚、小孔８の径は約3mm、孔
間隔は約60mmとし、更に小孔８の部分を除いて成形面７
にはアルミナ繊維、シリカ繊維等を貼着してガラスの付
着を防止している。FIG. 1 is a cross-sectional view of a glass molding die according to the present invention,
The molding die 1 is provided on a vertically movable separation floor 2, and the molding die 1 is composed of an upper half molding portion 3 and a lower half base portion 4, and a pressure air source is provided between the molding portion 3 and the base portion 4. A space 6 is formed in which a pipe 5 connected to the opening 6 is formed, and the upper surface of the molding portion 3 is a molding surface 7 that has a desired product shape by NC processing. The small holes 8 communicate with each other. The diameter of the small holes 8 is about 3 mm, the distance between the holes is about 60 mm, and the molding surface 7 is excluded except for the small holes 8.
Alumina fibers, silica fibers, etc. are adhered to this to prevent glass from adhering.
以上の成形部３及びベース部４を製造するには、例え
ば第２図に示すような鋳型９のキャビティ10内にセラミ
ックスラリーを流し込んで鋳込み成形した後、成形体を
乾燥せしめて焼成する。また鋳込み成形の代りに予め板
状に成形されている材料をNC加工するようにしてもよ
い。このようにすると板厚が均一なため変形や亀裂が生
じにくく、管理面でも有利で、製作期間も短縮される。In order to manufacture the molding part 3 and the base part 4 described above, for example, the ceramic slurry is cast into the cavity 10 of the mold 9 as shown in FIG. 2 to perform casting, and then the molded body is dried and fired. Further, instead of the cast molding, the material which has been previously formed into a plate shape may be NC processed. In this way, since the plate thickness is uniform, deformation and cracks are less likely to occur, which is advantageous in terms of management and the manufacturing period can be shortened.
ところで、前記成形部３及びベース部４はAl2O3−SiO
2−CaO系の無機材料にて構成され、特に成形部３につい
てはAl2O3を32〜42wt％、SiO2を24〜47wt％、CaOを18〜
37wt％とし、ベース部４についてはAl2O3を30〜34wt
％、SiO2を58〜62wt％、CaOを５〜9wt％となるようにし
ている。このようにすることで成形型として要求される
特性を満足することができる。ここで、成形部３とベー
ス部４の構成割合を異ならせたのは、成形部３について
は加工性が良いことと、表面の緻密さが特に要求され、
ベース部４については加工性が多少悪くても熱膨張率が
小さく、高密度のものが優先するからである。By the way, the molding part 3 and the base part 4 are made of Al 2 O 3 —SiO 2.
It is composed of 2 -CaO based inorganic materials, 32～42Wt% of Al 2 O 3, particularly for shaping unit 3, the SiO 2 24~47wt%, the CaO. 18 to
37 wt% and the base portion 4 contains 30 to 34 wt% of Al 2 O 3
%, SiO 2 is 58 to 62 wt%, and CaO is 5 to 9 wt%. By doing so, the characteristics required of the molding die can be satisfied. Here, the forming portion 3 and the base portion 4 are made different in composition ratio because the forming portion 3 is required to have good workability and the surface is particularly dense.
This is because the coefficient of thermal expansion of the base portion 4 is small even if the workability is somewhat poor, and that having a high density is prioritized.
以下の［表］に上記成形部３とベース部４を構成する
のに適した材料とその特性を示す。［表］において、材
料〜が成形部３に適し、材料がベース部に適す
る。The following [Table] shows materials suitable for forming the molding part 3 and the base part 4 and their characteristics. In the table, materials 1 to 3 are suitable for the molding part 3, and materials are suitable for the base part.
（考案の効果） 以上に説明した如く本考案によれば、ガラス成形型を
Al2O3−SiO2−CaO系の無機材料で構成するとともに、こ
れらの割合を所定範囲にしたことにより、成形型として
要求される特性、即ち高温部で使用できること、加
工性が良く後加工ができること、表面が緻密であるこ
と、熱変形が小さいこと、亀裂が入りにくいこと、
軽量であること、及び大寸法のものを作り易いこと
の全てを満足する。 (Effects of the Invention) As described above, according to the present invention, the glass molding die is
Composed of Al 2 O 3 -SiO 2 -CaO based inorganic material, and by setting the ratio of these in a predetermined range, the characteristics required as a mold, that is, that it can be used in a high temperature part, good workability and post-processing That surface is dense, thermal deformation is small, cracking is difficult,
Satisfies both light weight and ease of making large dimensions.
特に、ガラス成形型を成形部とベース部で構成すると
共に、Al2O3−SiO2−CaO系の無機材料の構成割合を成形
部とベース部とで異ならせることにより、成形部につい
ては加工性が良くなり、表面が緻密になり、ベース部に
ついては加工性が多少悪くなっても熱膨張率が小さくな
り、強度が高くなる。In particular, the glass molding die is composed of a molding part and a base part, and the molding part and the base part are made different by changing the composition ratio of the Al 2 O 3 —SiO 2 —CaO-based inorganic material. The workability is improved, the surface is made dense, and the workability of the base portion is somewhat deteriorated, but the coefficient of thermal expansion is reduced and the strength is increased.
第１図は本考案に係るガラス成形型の断面図、第２図は
ガラス成形型を成形するための鋳型の断面図である。 尚、図面中、１は成形型、３は成形部、４はベース部、
８は小孔、９は鋳型。FIG. 1 is a sectional view of a glass molding die according to the present invention, and FIG. 2 is a sectional view of a mold for molding the glass molding die. In the drawings, 1 is a mold, 3 is a molding part, 4 is a base part,
8 is a small hole, 9 is a mold.
Claims (1)
ラス成形型において、前記Al2O3は30〜42wt％、SiO2は2
4〜62wt％、CaOは５〜37wt％とし、前記ガラス成形型は
成形部とベース部からなると共に、前記成形部について
はAl2O3が32〜42wt％、SiO2が24〜47wt％、CaOが18〜37
wt％であり、前記ベース部についてはAl2O3が30〜34wt
％、SiO2が58〜62wt％、CaOが５〜9wt％であることを特
徴とするガラス成形型。1. A glass molding die made of an Al 2 O 3 —SiO 2 —CaO based inorganic material, wherein the Al 2 O 3 is 30 to 42 wt%, and the SiO 2 is 2 wt%.
4 to 62 wt%, CaO is 5 to 37 wt%, the glass mold comprises a molding portion and a base portion, Al 2 O 3 is 32 to 42 wt%, SiO 2 is 24 to 47 wt% for the molding portion. CaO 18-37
wt%, and Al 2 O 3 is 30 to 34 wt% in the base portion.
%, SiO 2 is 58 to 62 wt%, and CaO is 5 to 9 wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090022U JPH089142Y2 (en) | 1989-07-31 | 1989-07-31 | Glass mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090022U JPH089142Y2 (en) | 1989-07-31 | 1989-07-31 | Glass mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0330232U JPH0330232U (en) | 1991-03-25 |
| JPH089142Y2 true JPH089142Y2 (en) | 1996-03-13 |
Family
ID=31639567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989090022U Expired - Lifetime JPH089142Y2 (en) | 1989-07-31 | 1989-07-31 | Glass mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089142Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5488914A (en) * | 1977-10-26 | 1979-07-14 | Rozai Kogyo Kk | Production of fire brick for aluminum melting furnace |
| JPS5855367A (en) * | 1981-09-22 | 1983-04-01 | 株式会社アドバンス | Die for glass manufacture |
-
1989
- 1989-07-31 JP JP1989090022U patent/JPH089142Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330232U (en) | 1991-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |