JPH0324338Y2 - - Google Patents
Info
- Publication number
- JPH0324338Y2 JPH0324338Y2 JP15522386U JP15522386U JPH0324338Y2 JP H0324338 Y2 JPH0324338 Y2 JP H0324338Y2 JP 15522386 U JP15522386 U JP 15522386U JP 15522386 U JP15522386 U JP 15522386U JP H0324338 Y2 JPH0324338 Y2 JP H0324338Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- artificial stone
- molding
- silicone rubber
- fiber
- 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
Links
- 239000002969 artificial stone Substances 0.000 claims description 41
- 239000004945 silicone rubber Substances 0.000 claims description 18
- 239000012778 molding material Substances 0.000 claims description 15
- 229920002379 silicone rubber Polymers 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 11
- 229920002994 synthetic fiber Polymers 0.000 claims description 5
- 239000012209 synthetic fiber Substances 0.000 claims description 5
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 18
- 239000000047 product Substances 0.000 description 16
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229920002631 room-temperature vulcanizate silicone Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】 (イ) 産業上の利用分野 本考案は、人造石成形用型に関する。[Detailed explanation of the idea] (b) Industrial application fields The present invention relates to a mold for forming artificial stone.
(ロ) 従来の技術
従来、人物像、胸像、仏像等の複雑異形形状の
人造石は、不飽和ポリエステル樹脂成形材料等を
FRP型、金型、ゴム型等の型内に注型し、硬化
させることによつて製造している。(b) Conventional technology Conventionally, artificial stones with complex irregular shapes such as human figures, busts, and Buddhist statues were made using unsaturated polyester resin molding materials, etc.
It is manufactured by pouring into a mold such as an FRP mold, metal mold, or rubber mold and curing it.
また、かかる製造において、脱型性を考慮し
て、型は分割した型ａ（以下、割型という）が用
いられるが、人造石の形状が非常に複雑な場合
は、さらに、第７図のように、割型ａを再分割し
て型と成形品の脱型性を改善している。 In addition, in such manufacturing, a split mold a (hereinafter referred to as split mold) is used in consideration of demoldability, but if the shape of the artificial stone is very complex, the mold shown in FIG. In this way, split mold a is redivided to improve the demoldability of the mold and molded product.
(ハ) 考案が解決しようとする問題点
しかし、このように、割型ａの数が多い場合
は、不飽和ポリエステル樹脂等の成形材料ｂを型
内に注型した際、第８図に示すように、材料が割
型同志の合わせ部ｃに侵入し、その結果、成形後
の成形品（人造石）ｄには、第９図に示すように
多くの個所に材料のはみ出し（バリ）ｅが生ずる
ことになる。(c) Problems that the invention aims to solve However, when there are a large number of split molds a, when molding material b such as unsaturated polyester resin is cast into the mold, the problem shown in Fig. 8. As shown in Fig. 9, the material invades the joining part c of the split molds, and as a result, the molded product (artificial stone) d after molding has material protruding (burrs) e in many places as shown in Fig. 9. will occur.
そのため、最終製品に仕上げるためには、かか
るはみ出しを除去するとともに表面仕上げ加工が
不可欠となり、また、かかる仕上げを行つても、
最終製品の品質を満足のいく程度には向上するこ
とができなかつた。 Therefore, in order to finish the final product, it is essential to remove such protrusion and perform surface finishing.
The quality of the final product could not be improved to a satisfactory degree.
なお、以上の問題点を解決する手段、即ち、割
型を少なくする手段として、成形品の形状を、ア
ンダーカツト部をなるべくとらない形状とするこ
とも考えられるが、この場合、いきおい、成形品
ｄの形状が限定され、任意形状、即ち、複雑異形
形状の人造石を製造することができなかつた。 In addition, as a means to solve the above problem, that is, to reduce the number of split molds, it may be possible to shape the molded product so that it has as few undercuts as possible, but in this case, the molded product The shape of d was limited, and it was not possible to manufacture an artificial stone with an arbitrary shape, that is, a complicated irregular shape.
さらに、割型ａの材質として、弾力性、耐熱
性、自己離型性、耐溶剤性に優れたシリコーン製
ゴム型を使用することによつて、割型数を減少さ
せ、複数形状の成形品ｄを得ることも考えられる
が、この場合も、割型ａ同志の合わせ部ｃについ
ては、成形材料のはみ出しが必ず発生し、そのは
み出し部ｅの除去と仕上げが同様に必要であつ
た。 Furthermore, by using a silicone rubber mold with excellent elasticity, heat resistance, self-releasing properties, and solvent resistance as the material for the split mold a, the number of split molds can be reduced and molded products with multiple shapes can be produced. It is conceivable to obtain d, but in this case as well, the molding material would inevitably protrude from the joint part c of the split molds a, and the protruding part e would have to be removed and finished in the same way.
本考案は、上記問題点を解決することができる
人造石用型を提供することを目的とする。 An object of the present invention is to provide a mold for artificial stone that can solve the above problems.
(ニ) 問題点を解決するための手段
本考案は、不飽和ポリエステル樹脂等の成形材
料を用いて異形形状の人造石を常温成形する人造
石成形用型において、同型を、中間部にナイロン
繊維等の伸縮性の大きい合成繊維片を一体的に封
入した薄肉のRTVシリコーンゴムからなる繊維
封入シリコーン型によつて形成したことを特徴と
する人造石成形用型に係るものである。(d) Means for solving the problems The present invention is an artificial stone molding mold for molding irregularly shaped artificial stones at room temperature using a molding material such as unsaturated polyester resin, and the present invention is based on a mold for molding irregularly shaped artificial stones at room temperature. This invention relates to a mold for forming artificial stone, characterized in that it is formed by a fiber-filled silicone mold made of thin RTV silicone rubber in which highly elastic synthetic fiber pieces such as the following are integrally encapsulated.
(ホ) 効果
本考案は、上記した構成により、以下の効果を
奏する。(e) Effects The present invention has the following effects due to the above-described configuration.
人造石成形用型を、一体成形の繊維封入シリ
コーンゴム型から形成したので、ポリエステル
等の成形材料を同型内に注型した際、従来のよ
うな割型の合わせ部への成形材料の侵入を完全
に防止でき、成形品へのはみ出しの付着をなく
し、はみ出し除去作業を防止できるとともに、
成形品としての人造石の品質の向上を図ること
ができる。 The mold for molding artificial stone is made from an integrally molded fiber-filled silicone rubber mold, so when molding materials such as polyester are poured into the same mold, the molding material does not intrude into the joints of the split molds as in conventional methods. It can be completely prevented, eliminates adhesion of protrusion to molded products, and prevents protrusion removal work.
It is possible to improve the quality of artificial stone as a molded product.
人造石成形用型を形成する繊維封入シリコー
ンゴム型は、RTVシリコーンゴムにナイロン
等の高伸縮性の合成樹脂繊維を封入した繊維封
入シリコーンゴムからなるため、強度、伸び率
が大きく、しかも肉厚が薄いため、成形品を同
型から容易に脱型することができる。 The fiber-filled silicone rubber mold that forms the artificial stone mold is made of fiber-filled silicone rubber, which is RTV silicone rubber encapsulated with highly elastic synthetic resin fibers such as nylon, so it has high strength and elongation, and is thick. Because it is thin, the molded product can be easily removed from the same mold.
さらに、繊維封入シリコーンゴム型は自己離
型性も有しているので、人造石から容易に脱型
することができ、全体として人造石製造作業を
効率的に行うことができる。 Furthermore, since the fiber-filled silicone rubber mold also has self-releasing properties, it can be easily removed from the artificial stone, making it possible to perform the artificial stone manufacturing work efficiently as a whole.
(ヘ) 実施例
以下、添付図に示す実施例に基づいて、本考案
を具体的に説明する。(f) Examples The present invention will be specifically described below based on examples shown in the attached drawings.
第１図において、Ａは内部に成形材料注入空間
Ｂを有する人造石成形用型であり、同型Ａは、そ
の上部に成形材料注入開口部１０を設けている。 In FIG. 1, A is an artificial stone molding mold having a molding material injection space B therein, and the same mold A is provided with a molding material injection opening 10 at its upper part.
本考案は、かかる人造石成形用型Ａを、薄肉の
繊維封入シリコーンゴム型から形成したことを特
徴とする。 The present invention is characterized in that the artificial stone molding mold A is formed from a thin-walled fiber-filled silicone rubber mold.
即ち、第２図に示すように、人造石成形用型Ａ
の壁体は、シリコーンゴム１１の中間層に、補強
材として、ナイロン繊維片（例えば、ナイロン６
やナイロン６，６のモノフイラメントを編みあげ
た布片）等の伸縮性の大きい合成繊維片１２を適
宜積層状態に封入し、その後硬化することによつ
て形成されるものである。 That is, as shown in FIG.
The wall body is made of nylon fiber pieces (for example, nylon 6
It is formed by appropriately enclosing highly elastic synthetic fiber pieces 12 in a laminated state, such as cloth pieces knitted from monofilaments of nylon 6, 6, etc., and then curing them.
上記構成において、シリコーンゴム１１として
は、常温硬化タイプで作業性も良好である高強度
タイプ縮合型の型取り用RTVシリコーンゴムを
用いる。 In the above configuration, as the silicone rubber 11, a high-strength type condensation type mold-making RTV silicone rubber is used, which is a room temperature curing type and has good workability.
また、合成繊維片１２のサイズは、１〜10cm□
程度であり、封入積層数としては、２〜５層が好
ましい。また、かかる合成繊維片１２を封入した
シリコーンゴム１１の全体厚さは１〜５mmとする
のが、人造石成形用型Ａの強度、伸び率、作業性
等を考慮した場合、最も好ましい。 In addition, the size of the synthetic fiber piece 12 is 1 to 10 cm□
The number of laminated layers is preferably 2 to 5. Moreover, it is most preferable that the total thickness of the silicone rubber 11 in which the synthetic fiber pieces 12 are encapsulated is 1 to 5 mm, considering the strength, elongation rate, workability, etc. of the mold A for molding artificial stone.
さらに、繊維封入シリコーンゴム型からなる人
造石成形用型Ａから人造石を脱型可能な寸法比
は、成形材料注入開口部１０からの距離に関係な
く、同開口部１０の開口面積に対して最大約200
％とするのが好ましい。 Furthermore, the dimensional ratio at which an artificial stone can be removed from the artificial stone molding mold A made of a fiber-filled silicone rubber mold is relative to the opening area of the opening 10, regardless of the distance from the molding material injection opening 10. Up to about 200
% is preferable.
以上のシリコーンゴム成形型からなる人造石成
形用型Ａは、シリコーンゴム１１単独で形成した
場合の物理特性（引張強度50〜90Kgｆ／cm2、伸び
率175〜1200％、引裂強度14〜27Kgｆ／cm）と比
較して、その物理特性を略倍加することができ、
従つて、後述するごとく、人造石の成形品Ｄを人
造石成形用型Ａから脱型する際、充分に伸張する
ことができ、かかる脱型を円滑かつ容易に行うこ
とができる。 Artificial stone molding mold A consisting of the above silicone rubber mold has physical properties (tensile strength 50 to 90 Kgf/cm 2 , elongation rate 175 to 1200%, tear strength 14 to 27 Kgf/cm 2 ) when formed from silicone rubber 11 alone. cm), its physical properties can be almost doubled,
Therefore, as will be described later, when demolding the artificial stone molded product D from the artificial stone molding mold A, it can be sufficiently expanded, and such demolding can be performed smoothly and easily.
なお、上述したように、繊維封入シリコーンゴ
ム型からなる人造石成形用型Ａは、その肉厚が１
〜５mmと薄いので、型セツト時、或いは成形材料
の注型時等に、人造石成形用型Ａの形状保持が困
難である。 As mentioned above, the artificial stone molding mold A consisting of a fiber-filled silicone rubber mold has a wall thickness of 1.
Since it is as thin as ~5 mm, it is difficult to maintain the shape of the mold A for molding artificial stone when setting the mold or pouring the molding material.
その場合、第１図に示すように、石膏型、
FRP型、或いはその他の剛性を有する部材から
なる型保持用補強枠Ｃを割型として用いることが
できる。 In that case, as shown in Figure 1, a plaster mold,
A mold holding reinforcing frame C made of an FRP mold or other rigid member can be used as the split mold.
ついで、上記構成を有する人造石成形用型Ａを
用いた人造石の製造方法について、第１図、第３
図〜第６図を参照して説明する。 Next, a method for manufacturing artificial stone using mold A for molding artificial stone having the above configuration will be described in FIGS. 1 and 3.
This will be explained with reference to FIGS.
まず、第１図に示す割型からなる型保持用補強
枠Ｃを組み立てて、第３図に示すように、その内
部に、人造石成形用型Ａを補強状態に支持する。 First, a mold holding reinforcing frame C consisting of split molds as shown in FIG. 1 is assembled, and as shown in FIG. 3, the mold A for molding artificial stone is supported therein in a reinforced state.
ついで、人造石成形用型Ａの成形材料注入空間
Ｂ内に不飽和ポリエステル樹脂等の成形材料を注
入し、硬化させる。 Next, a molding material such as an unsaturated polyester resin is injected into the molding material injection space B of the mold A for molding artificial stone and hardened.
その後、第４図に示すように、型保持用補強枠
Ｃを分解し、人造石成形用型Ａを、内部に人造石
の成形品Ｄを有する状態で外部に取出す。 Thereafter, as shown in FIG. 4, the reinforcing frame C for holding the mold is disassembled, and the mold A for molding artificial stone is taken out to the outside with the molded product D of artificial stone inside.
ついで、第５図に示すように、成形品Ｄを人造
石成形用型Ａから取出すわけであるが、同成形品
Ｄは、その上端にアンダーカツト部Ｅを有する。 Next, as shown in FIG. 5, the molded product D is taken out from the artificial stone mold A, and the molded product D has an undercut portion E at its upper end.
しかし、上述したように、人造石成形用型Ａは
充分な強度及び伸び率を有するシリコーンゴム型
からなるので、同型Ａを自在に変形させることが
でき、容易かつ迅速に成形品Ｄを脱型することが
できる。 However, as mentioned above, the mold A for molding artificial stone is made of a silicone rubber mold with sufficient strength and elongation, so the mold A can be freely deformed, and the molded product D can be easily and quickly removed from the mold. can do.
第６図に脱型後の成形品Ｄを示すが、図示する
ように、同成形品Ｄには、従来の割型の場合に生
じていたはみ出しが全くない。このように、本実
施例にかかる人造石成形型Ａを用いることによつ
て、高品質の人造石を製造することができる。 FIG. 6 shows the molded product D after demolding, and as shown, the molded product D has no protrusion that occurs in the case of conventional split molds. In this way, by using the artificial stone mold A according to this embodiment, high quality artificial stone can be manufactured.
第１図は、本考案にかかる人造石成形用型の１
実施例の説明図、第２図は、要部拡大説明図、第
３図〜第６図は人造石の製造工程説明図、第７図
〜第９図は従来技術の説明図である。
図中、Ａ：人造石成形用型、Ｂ：成形材料注入
空間、Ｃ：補強枠、Ｄ：成形品、Ｅ：アンダーカ
ツト、１０：成形材料注入開口部、１１：：シリ
コーンゴム、１２：合成繊維片。
Figure 1 shows one of the molds for forming artificial stone according to the present invention.
FIG. 2 is an enlarged explanatory view of the main part, FIGS. 3 to 6 are explanatory views of the manufacturing process of artificial stone, and FIGS. 7 to 9 are explanatory views of the prior art. In the figure, A: Artificial stone mold, B: Molding material injection space, C: Reinforcement frame, D: Molded product, E: Undercut, 10: Molding material injection opening, 11: Silicone rubber, 12: Synthesis. Fiber pieces.
Claims (1)
異形形状の人造石を常温成形する人造石成用型に
おいて、 同型を、中間部にナイロン繊維等の伸縮性の大
きい合成繊維片を一体的に封入した薄肉のRTV
シリコーンゴムからなる繊維封入シリコーン型に
よつて形成したことを特徴とする人造石成形用
型。[Scope of Claim for Utility Model Registration] In an artificial stone forming mold that molds irregularly shaped artificial stones at room temperature using a molding material such as unsaturated polyester resin, the same mold is used in the middle part using highly elastic synthetic fibers such as nylon fibers. Thin-walled RTV with integrally encapsulated pieces
A mold for forming artificial stone, characterized in that it is formed by a fiber-filled silicone mold made of silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15522386U JPH0324338Y2 (en) | 1986-10-09 | 1986-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15522386U JPH0324338Y2 (en) | 1986-10-09 | 1986-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6360614U JPS6360614U (en) | 1988-04-22 |
| JPH0324338Y2 true JPH0324338Y2 (en) | 1991-05-28 |
Family
ID=31075737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15522386U Expired JPH0324338Y2 (en) | 1986-10-09 | 1986-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324338Y2 (en) |
-
1986
- 1986-10-09 JP JP15522386U patent/JPH0324338Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6360614U (en) | 1988-04-22 |
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