JPS6258613U - - Google Patents
Info
- Publication number
- JPS6258613U JPS6258613U JP15118385U JP15118385U JPS6258613U JP S6258613 U JPS6258613 U JP S6258613U JP 15118385 U JP15118385 U JP 15118385U JP 15118385 U JP15118385 U JP 15118385U JP S6258613 U JPS6258613 U JP S6258613U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- upper mold
- falling core
- injection molding
- reaction injection
- 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
- 238000010107 reaction injection moulding Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案に係る反応射出成形装置の金型
構造の型閉め時における状態を示す縦断面図、第
２図は第１図に示すものの型開き時における状態
を示す縦断面図、第３図は本考案の別実施例に係
る反応射出成形装置の金型構造の型閉め時におけ
る状態を示す縦断面図、第４図は第１図に示すも
ののウレタンバンパ用上型落下コア構造を示す縦
断面図、第５図は第４図に示すものの型開き時に
おける状態を示す縦断面図、第６図は従来例に係
る反応射出成形装置の金型構造の型閉め時におけ
る状態を示す縦断面図、第７図は第６図に示すも
のの型開き時における状態を示す縦断面図である
。
１……上型、２……下型、３……上型落下コア
、３ｂ……突出部、４……押出しピン、５……成
形品、６……空間部。
FIG. 1 is a longitudinal cross-sectional view showing the mold structure of the reaction injection molding apparatus according to the present invention when the mold is closed; FIG. 2 is a vertical cross-sectional view showing the mold structure shown in FIG. 1 when the mold is opened; FIG. 3 is a vertical sectional view showing the state of the mold structure of a reaction injection molding apparatus according to another embodiment of the present invention when the mold is closed, and FIG. 4 shows the upper mold falling core structure for the urethane bumper shown in FIG. FIG. 5 is a vertical cross-sectional view showing the state of the mold shown in FIG. 4 when the mold is opened, and FIG. 6 is a vertical cross-sectional view showing the state of the mold structure of a conventional reaction injection molding apparatus when the mold is closed. 7 is a longitudinal sectional view showing the state of the mold shown in FIG. 6 when the mold is opened. 1... Upper die, 2... Lower die, 3... Upper die falling core, 3b... Projection, 4... Extrusion pin, 5... Molded product, 6... Space.
Claims (1)
れたキヤビテイに合成樹脂液を射出して成形品を
成形する反応射出成形装置の金型構造において、
前記上型落下コアに押出しピンを摺動可能に嵌挿
し、該押出しピンの下端を前記上型落下コアの落
下時に、前記上型の一部に当接させて上昇させ、
該押出しピンにより前記上型落下コアに付着した
前記成形品を局部的に押し上げるように構成した
ことを特徴とする反応射出成形装置の金型構造。 In the mold structure of a reaction injection molding device that molds a molded product by injecting a synthetic resin liquid into a cavity formed by an upper mold, a lower mold, and an upper mold falling core,
An ejector pin is slidably inserted into the upper mold falling core, and when the upper mold falling core falls, the lower end of the ejecting pin is brought into contact with a part of the upper mold and raised;
A mold structure for a reaction injection molding apparatus, characterized in that the extrusion pin is configured to locally push up the molded product attached to the upper die falling core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15118385U JPS6258613U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15118385U JPS6258613U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6258613U true JPS6258613U (en) | 1987-04-11 |
Family
ID=31068019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15118385U Pending JPS6258613U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6258613U (en) |
-
1985
- 1985-10-02 JP JP15118385U patent/JPS6258613U/ja active Pending
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