JPS62215286A - Formation of shell for globe - Google Patents
Formation of shell for globeInfo
- Publication number
- JPS62215286A JPS62215286A JP5794786A JP5794786A JPS62215286A JP S62215286 A JPS62215286 A JP S62215286A JP 5794786 A JP5794786 A JP 5794786A JP 5794786 A JP5794786 A JP 5794786A JP S62215286 A JPS62215286 A JP S62215286A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- outer layer
- shell
- sheet piece
- synthetic resin
- 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.)
- Pending
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000000465 moulding Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 11
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 37
- 238000007666 vacuum forming Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 形状の殻体を成形する方法に関する。[Detailed description of the invention] The present invention relates to a method for forming a shaped shell.
（従来の技術）
従来の技術としては例えば特開昭５６−４２２６３号公
報がある。(Prior Art) As a conventional technology, there is, for example, Japanese Unexamined Patent Publication No. 56-42263.
〈発明が解決しＪ：うとする問題点）
中空半球形状の球儀用殻体を形成するために合成樹脂シ
ートを真空成形した揚台には球儀用殻体の表面を地図の
地形に対応した細密な立体形状に成形しえない問題点や
、シートが真空成形時に強制的に展伸されるため、成形
時に潜在化した内部歪が経時的に顕在化して球個体が歪
曲変形しやすい問題点があった。(Problems to be Solved by the Invention) The lifting platform is made by vacuum forming a synthetic resin sheet to form a hollow hemispherical sphere shell, and the surface of the sphere shell corresponds to the topography of the map. The problem is that it cannot be molded into a detailed three-dimensional shape, and because the sheet is forcibly stretched during vacuum forming, internal distortion that is latent during molding becomes apparent over time, causing the individual sphere to become distorted and deformed. There was a point.
本発明の目的は上記問題点を解消して細密な表面形状を
成形しつるとともに、形態安定性を良化しうる球儀用殻
体の成形方法を提供することである。SUMMARY OF THE INVENTION An object of the present invention is to provide a method for molding a sphere shell that can solve the above-mentioned problems, form a fine surface shape, and improve shape stability.
（問題点を解決するための手段）
本発明は成形用シート片を下型の成型面に吸着させて中
空半球形状の外層体を真空成形ザるとともに、この外層
体内に突入した上型と前記外層体との間隙へ溶融した合
成樹脂材を射出して前記外層体の裏面に対し一体状に＠
層された中空半球形状の内層体を射出成形する球儀用殻
体の成形方法を要旨とするものである。(Means for Solving the Problems) The present invention vacuum-forms a hollow hemispherical outer layer body by adsorbing a molding sheet piece to the molding surface of a lower mold, and the upper mold protruding into the outer layer body and the A molten synthetic resin material is injected into the gap between the outer layer and the back surface of the outer layer.
The gist of this invention is a method for molding a sphere shell body by injection molding a layered hollow hemispherical inner layer body.
（作用）
本発明方法は球儀用殻体の成形に際し、成形用シート片
を真空成形して形成した外層体の裏側に溶融合成樹脂材
を射出成形して形成した内層体を一体状に重層し、球儀
用殻体の表面形状および形態安定性を良化するように構
成したものである。(Function) When molding a sphere shell, the method of the present invention integrally stacks an inner layer formed by injection molding a molten synthetic resin material on the back side of an outer layer formed by vacuum forming a molding sheet piece. However, the surface shape and form stability of the sphere shell are improved.
（実施例） 次に、本発明の一実施例を図面にしたがって説明する。(Example) Next, one embodiment of the present invention will be described with reference to the drawings.
先ず、ポリスチレン樹脂、ポリ塩化ビニール樹脂、ＡＢ
Ｓ樹脂等の熱可塑性合成樹脂材でシート状に形成された
成形用シート片１を成形機にセットする。First, polystyrene resin, polyvinyl chloride resin, AB
A molding sheet piece 1 formed into a sheet shape from a thermoplastic synthetic resin material such as S resin is set in a molding machine.
そして、成形用シート片１をヒータで成形可能な温度に
加熱してから、地図の地形に対応する凹凸形状に形成さ
れた成型面２ａをもつ下型２の周縁部上面に成形用シー
ト片１の周縁部を密接固定した状態で吸引路２ｂを通じ
て下型２内のエアを吸引し、成形用シート片１を下型２
の成型面２ｂに吸着させて真空成形し、表面に立体地形
が形出された中空半球形状の外層体３を形成する。After heating the sheet piece 1 for molding with a heater to a temperature at which it can be molded, the sheet piece 1 for molding is placed on the upper surface of the periphery of the lower mold 2, which has a molding surface 2a formed in an uneven shape corresponding to the topography of the map. While tightly fixing the peripheral edge of the mold, the air inside the lower mold 2 is sucked through the suction path 2b, and the sheet piece 1 for molding is transferred to the lower mold 2.
The outer layer 3 is adsorbed onto the molding surface 2b and vacuum-formed to form a hollow hemispherical outer layer 3 having a three-dimensional topography formed on its surface.
そして、成形用シート片１の真空成形と同時に、若しく
は真空成形後に上型４を下動して、外層体３の内径に比
して若干短縮された外径をもつ半球面状の型面４ａを外
層体３内に突入させる。Then, at the same time as the vacuum forming of the sheet piece 1 for forming, or after the vacuum forming, the upper die 4 is moved downward to form a hemispherical die surface 4a having an outer diameter slightly shorter than the inner diameter of the outer layer body 3. into the outer layer body 3.
次に、溶融した合成樹脂材を−Ｆ型４に形成した給送路
４ｂに圧送して上型４の型面４ａと、外層体３の内周面
との間隙５内へ射出させ、間隙５内の全体にわたって溶
融合成樹脂材を圧入しＣ硬化させ、中空半球形状の内層
体６を射出成形して外層体３の裏面に対し溶着状態で一
体状に重層する。Next, the molten synthetic resin material is fed under pressure to a feeding path 4b formed in the -F mold 4 and injected into the gap 5 between the mold surface 4a of the upper mold 4 and the inner circumferential surface of the outer layer 3. A molten synthetic resin material is press-fitted and cured throughout the inside of the inner layer 5, and a hollow hemispherical inner layer 6 is injection molded and integrally layered on the back surface of the outer layer 3 in a welded state.
さらに、この重層成形体の周縁部をトリミングして内層
体６と外層体３とが内外一体状に重層された中空半球形
状の球儀用殻体Ｋを作成し、北半球用の殻体にと南半球
用の殻体にとを接合して中空球形状の球儀体を形成する
ことができる。Furthermore, the periphery of this layered molded body is trimmed to create a hollow hemispherical sphere shell K in which the inner and outer layers 6 and 3 are integrally layered on the inside and outside, and is used as a shell for the northern hemisphere. A hollow spherical spherical body can be formed by joining the shell body for the southern hemisphere to the shell body for the southern hemisphere.
なお、内層体６用の合成樹脂材としては成形用シート片
１と同種若しくは異種の合成樹脂材が適用される。As the synthetic resin material for the inner layer body 6, a synthetic resin material of the same type or different type as that of the molding sheet piece 1 is applied.
次に、上記した構成をもつ実施例の作用と効果を説明す
る。Next, the operation and effects of the embodiment having the above configuration will be explained.
さて、本例では球儀用殻体にの成形に際し、成形用シー
ト片１を下型２の成形面２ａに吸着させて中空半球形状
の外層体３を真空成形してから、この外層体３内に突入
した上型４の型面４ａと、外層体３の内周面との間隙５
に溶融した合成樹脂材を射出して外層体３の裏面に溶着
状態で一体状に重合された内層体６を射出成形するため
、外層体３が内層体６の射出成形時に射出された溶融合
成樹脂材ににって柔軟化した状態で全体的に下型２の成
型面２ａ側へ押圧され、外層体３の表層部が下型２の成
型面２ａの細部にわたって圧着されて外層体３が再成形
され、外層体３表面の成形形状を精密化して球儀用殻体
にの表面の地形形状を正確化および細密化することがで
きる。In this example, when molding into a sphere shell, the molding sheet piece 1 is adsorbed onto the molding surface 2a of the lower mold 2 to vacuum form a hollow hemispherical outer layer 3. A gap 5 between the mold surface 4a of the upper mold 4 that has protruded inward and the inner circumferential surface of the outer layer 3
In order to injection mold the inner layer body 6 which is integrally polymerized in a welded state on the back surface of the outer layer body 3 by injecting a synthetic resin material molten to The entire body, softened by the resin material, is pressed toward the molding surface 2a of the lower mold 2, and the surface layer of the outer layer 3 is crimped over the details of the molding surface 2a of the lower mold 2, so that the outer layer 3 is By re-shaping, the molded shape of the surface of the outer layer 3 can be refined, and the topographical shape of the surface of the sphere shell can be made more accurate and minute.
また、外層体３の裏面に重層する内層体６を射出成形に
よって形成するため、シートを強制的に展伸したときに
成形体に内部歪が潜在化する不具合を排除して内層体６
の形態安定性を良化することができ、内層体６と外層体
３とを重層した球儀用殻体にの経時的歪曲や変形を抑止
しつる効果がある。In addition, since the inner layer body 6 layered on the back surface of the outer layer body 3 is formed by injection molding, the problem of latent internal distortion in the molded body when the sheet is forcibly stretched is eliminated, and the inner layer body 6
The shape stability of the sphere can be improved, and the sphere shell made of the inner layer 6 and the outer layer 3 can be prevented from being distorted or deformed over time.
（発明の効果）
すなわち、本発明は成形用シート片を下型の成型面に吸
着させて中空半球形状の外層体を真空成形するとともに
、この外層体内に突入した上型と前記外層体との間隙へ
溶融した合成樹脂材を射出して前記外層体の裏面に対し
一体状に重層された中空半球形状の内層体を射出成形す
ることによって、球儀用殻体の表面形状を正確化および
細密化しうるとともに、球儀用殻体の形態安定性を良化
して球儀用殻体の経時的歪曲や変形を抑止しうる効果を
有する。(Effects of the Invention) That is, the present invention vacuum-forms a hollow hemispherical outer layer body by adsorbing a molding sheet piece to the molding surface of a lower mold, and also vacuum-forms a hollow hemispherical outer layer body by adsorbing a molding sheet piece to the molding surface of a lower mold, and also connects the upper mold inserted into the outer layer body with the outer layer body. By injecting molten synthetic resin material into the gap and injection molding a hollow hemispherical inner layer that is integrally layered on the back surface of the outer layer, the surface shape of the sphere shell can be made more accurate and fine. In addition, it has the effect of improving the morphological stability of the sphere shell and suppressing distortion and deformation of the sphere shell over time.
図面は本発明の一実施例を示すもので、第１図（イ）、
（ロ）は成形過程を順に示す側断面図、第２図は球儀用
殻体の縦断面図である。
１・・・成形用シート片
２・・・下型
２ａ・・・成型面
３・・・外層体
４・・・上型
６・・・内層体
Ｋ・・・球儀用殻体The drawings show one embodiment of the present invention, and are shown in FIG.
(B) is a side sectional view showing the molding process in order, and FIG. 2 is a longitudinal sectional view of the sphere shell. 1... Molding sheet piece 2... Lower mold 2a... Molding surface 3... Outer layer body 4... Upper mold 6... Inner layer body K... Shell for sphere
Claims (1)
状の外層体を真空成形するとともに、この外層体内に突
入した上型と前記外層体との間隙へ溶融した合成樹脂材
を射出して前記外層体の裏面に対し一体状に重層された
中空半球形状の内層体を射出成形することを特徴とする
球儀用殻体の成形方法。A hollow hemispherical outer layer is vacuum-formed by adhering the molding sheet piece to the molding surface of the lower mold, and a molten synthetic resin material is injected into the gap between the upper mold and the outer layer, which have protruded into the outer layer. A method for molding a sphere shell body, comprising injection molding a hollow hemispherical inner layer integrally layered on the back surface of the outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5794786A JPS62215286A (en) | 1986-03-14 | 1986-03-14 | Formation of shell for globe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5794786A JPS62215286A (en) | 1986-03-14 | 1986-03-14 | Formation of shell for globe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62215286A true JPS62215286A (en) | 1987-09-21 |
Family
ID=13070227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5794786A Pending JPS62215286A (en) | 1986-03-14 | 1986-03-14 | Formation of shell for globe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62215286A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6937125B1 (en) | 1999-10-18 | 2005-08-30 | William W. French | Self rotating display spherical device |
| JP2018535157A (en) * | 2015-11-25 | 2018-11-29 | シーカ テクノロジー アクチェンゲゼルシャフト | Container for storing substances |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831262A (en) * | 1971-08-26 | 1973-04-24 |
-
1986
- 1986-03-14 JP JP5794786A patent/JPS62215286A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831262A (en) * | 1971-08-26 | 1973-04-24 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6937125B1 (en) | 1999-10-18 | 2005-08-30 | William W. French | Self rotating display spherical device |
| JP2018535157A (en) * | 2015-11-25 | 2018-11-29 | シーカ テクノロジー アクチェンゲゼルシャフト | Container for storing substances |
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