JPH0479604U - - Google Patents
Info
- Publication number
- JPH0479604U JPH0479604U JP12311390U JP12311390U JPH0479604U JP H0479604 U JPH0479604 U JP H0479604U JP 12311390 U JP12311390 U JP 12311390U JP 12311390 U JP12311390 U JP 12311390U JP H0479604 U JPH0479604 U JP H0479604U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- mold
- material supply
- external
- molding material
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000012778 molding material Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Producing Shaped Articles From Materials (AREA)
Description
第１図は本実施例の金型および射出成形機の要
部で射出室に成形材料を導入した状態を示す模式
図であり、第２図は金型キヤビテイへの成形材料
の圧入状態を示す模式図、第３図は外部プランジ
ヤおよび内部プランジヤの保圧状態を示す模式図
である。
１……可動金型、２……固定金型、３……キヤ
ビテイ、４……射出シリンダー、５……外部プラ
ンジヤ、６……内部プランジヤ、７……原料供給
部、８……油圧駆動装置、９……スプリング、１
０……停止部、１１……射出シリンダーの供給口
、１２……外部プランジヤの供給穴。
Fig. 1 is a schematic diagram showing a state in which the molding material is introduced into the injection chamber in the main part of the mold and injection molding machine of this example, and Fig. 2 shows the state in which the molding material is press-fitted into the mold cavity. The schematic diagram and FIG. 3 are schematic diagrams showing the pressure holding state of the external plunger and the internal plunger. DESCRIPTION OF SYMBOLS 1... Movable mold, 2... Fixed mold, 3... Cavity, 4... Injection cylinder, 5... External plunger, 6... Internal plunger, 7... Raw material supply section, 8... Hydraulic drive device , 9...Spring, 1
0...stop part, 11...injection cylinder supply port, 12...external plunger supply hole.
Claims (1)
の中心付近に成形精度を必要としない成形体を製
造するための低圧射出成形機であつて、 該固定型内に配置されキヤビテイに連通すると
共に側面に成形材料の供給口を有する射出シリン
ダーと、該射出シリンダー内を摺動し先端面が型
面の一部を構成し、側面に材料供給穴をもつ筒状
の外部プランジヤと、該外部プランジヤ内を摺動
し先端面が該外部プランジヤの先端より前方に突
出しない内部プランジヤと、供給口に連通する成
形材料供給部とからなり、 該外部プランジヤと該内部プランジヤを前進さ
せることで該キヤビテイに成形材料を充填すると
ともに該内部プランジヤの先端面が成形体を押圧
するように構成されたことを特徴とする低圧射出
成形機。[Claims for Utility Model Registration] A low-pressure injection molding machine used in combination with a fixed mold of a split mold to produce a molded body that does not require molding precision near the center of the molded body, the fixed mold an injection cylinder that is placed inside and communicates with the cavity and has a molding material supply port on its side; and a cylinder that slides within the injection cylinder and whose tip surface forms part of the mold surface and has a material supply hole on its side. It consists of an external plunger having a shape, an internal plunger that slides inside the external plunger and whose tip end surface does not protrude forward beyond the tip of the external plunger, and a molding material supply section that communicates with a supply port, and the external plunger and the inside. A low-pressure injection molding machine characterized in that the molding material is filled into the cavity by advancing the plunger, and the tip surface of the internal plunger presses the molded article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12311390U JPH0479604U (en) | 1990-11-22 | 1990-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12311390U JPH0479604U (en) | 1990-11-22 | 1990-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479604U true JPH0479604U (en) | 1992-07-10 |
Family
ID=31870839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12311390U Pending JPH0479604U (en) | 1990-11-22 | 1990-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479604U (en) |
-
1990
- 1990-11-22 JP JP12311390U patent/JPH0479604U/ja active Pending
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