JPH023811U - - Google Patents
Info
- Publication number
- JPH023811U JPH023811U JP7784288U JP7784288U JPH023811U JP H023811 U JPH023811 U JP H023811U JP 7784288 U JP7784288 U JP 7784288U JP 7784288 U JP7784288 U JP 7784288U JP H023811 U JPH023811 U JP H023811U
- Authority
- JP
- Japan
- Prior art keywords
- injection
- core
- injection molding
- runner
- needle
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案のコアバツク式二段射出成形機
の縦断面図、第２図はその要部縦断面図、第３図
はこの成形機を用いた場合の樹脂の流れを示した
要部斜視図を示したものであり、第４図は従来公
知のコアバツク式二段射出成形機の縦断面図でａ
）は一次射出時、ｂ）は二次射出時を示したもの
、第５図は他の公知のコアバツク式二段射出成形
機の要部縦断面を示したものである。また、第６
図は従来公知のアモルフアス合金被覆成形体、第
７図は従来公知の電圧セラミツクス成形体を示し
たものである。
１，２３，２６，２９……射出成形機、２……
ニードル、３，１１，２４，３０……第１スプー
ル、４，１３，３１……第１ランナー、５，２１
，３２……コア、６，２２，３３……油圧シリン
ダー、７，２５，３４……空隙、８，２７，３６
……第２スプール、９，１５，３７……第２ラン
ナー、１０，１４，２８，３８……成形品。
Fig. 1 is a longitudinal sectional view of the core back type two-stage injection molding machine of the present invention, Fig. 2 is a longitudinal sectional view of its main parts, and Fig. 3 is a main part showing the flow of resin when this molding machine is used. A perspective view is shown, and FIG. 4 is a vertical sectional view of a conventionally known core back type two-stage injection molding machine.
) shows the state during the primary injection, b) shows the state during the secondary injection, and FIG. 5 shows a longitudinal section of the main part of another known core-back type two-stage injection molding machine. Also, the 6th
The figure shows a conventionally known amorphous alloy coated molded body, and FIG. 7 shows a conventionally known voltage ceramic molded body. 1, 23, 26, 29...injection molding machine, 2...
Needle, 3, 11, 24, 30... 1st spool, 4, 13, 31... 1st runner, 5, 21
, 32... Core, 6, 22, 33... Hydraulic cylinder, 7, 25, 34... Gap, 8, 27, 36
... Second spool, 9, 15, 37 ... Second runner, 10, 14, 28, 38 ... Molded product.
Claims (1)
アの一部を１次射出後にパーテイング面に対して
垂直に移動させ、この移動によつて生じた空間に
２次射出する２段射出成形機において、上記コア
と同期して前記パーテイング面に対して垂直に移
動して２次射出時の第２ランナー入口を形成する
ニードルを１次射出の第１スプールまたは第１ラ
ンナー末端に設けてなることを特徴とするコアバ
ツク式二段射出成形装置。 In a two-stage injection molding machine that moves a part of the core that forms the cavity in the mold die perpendicularly to the parting surface after the first injection, and then injects the second injection into the space created by this movement, the above-mentioned core and A core bag characterized in that a needle is provided at the end of the first spool or the first runner for primary injection, the needle synchronously moving perpendicular to the parting surface to form a second runner inlet for secondary injection. Type two-stage injection molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7784288U JPH0518113Y2 (en) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7784288U JPH0518113Y2 (en) | 1988-06-13 | 1988-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH023811U true JPH023811U (en) | 1990-01-11 |
| JPH0518113Y2 JPH0518113Y2 (en) | 1993-05-14 |
Family
ID=31302802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7784288U Expired - Lifetime JPH0518113Y2 (en) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518113Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3252146B1 (en) * | 2001-06-13 | 2002-01-28 | 有限会社エス・エム・イー | Plastic lens manufacturing method |
-
1988
- 1988-06-13 JP JP7784288U patent/JPH0518113Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518113Y2 (en) | 1993-05-14 |