JPH0464458U - - Google Patents
Info
- Publication number
- JPH0464458U JPH0464458U JP10871690U JP10871690U JPH0464458U JP H0464458 U JPH0464458 U JP H0464458U JP 10871690 U JP10871690 U JP 10871690U JP 10871690 U JP10871690 U JP 10871690U JP H0464458 U JPH0464458 U JP H0464458U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- casting
- gas venting
- aluminum alloy
- die
- 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
- 238000013022 venting Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000004512 die casting Methods 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は、本考案に係わるアルミニウム合金鋳
物のダイカスト法におけるガス抜き構造の断面説
明図、第２図は、従来技術の断面説明図である。
１……可動型、２……固定型、３……製品キヤ
ビテイー、４……加圧余肉部、５……スリーブ、
６……プランジヤーチツプ、７……ガス抜き閉塞
スリツト、８……真空排気孔、９……分割面、１
０……押出しピン、１１……排気管。
FIG. 1 is an explanatory cross-sectional view of a degassing structure in a die-casting method for aluminum alloy castings according to the present invention, and FIG. 2 is an explanatory cross-sectional view of a conventional technique. 1...Movable type, 2...Fixed type, 3...Product cavity, 4...Pressure excess wall part, 5...Sleeve,
6... Plunger tip, 7... Gas venting and closing slit, 8... Vacuum exhaust hole, 9... Dividing surface, 1
0...Extrusion pin, 11...Exhaust pipe.
Claims (1)
ス抜き構造であつて、キヤビテイーの上方面の可
動型側の金型分割面に金型の肉厚途中までの閉塞
スリツトを設ける一方、固定型側に一端が上端面
に開口し他端が閉塞スリツトに開口する真空排気
孔を設けてなることを特徴とするアルミニウム合
金鋳物のダイカスト法におけるガス抜き構造。 (2) 真空排気孔が固定型の上端面より閉塞スリ
ツト側が大きくなるテーパ状に形成されてなるこ
とを特徴とする第１請求項に記載のアルミニウム
合金鋳物のダイカスト法におけるガス抜き構造。 (3) 可動型に、閉塞スリツトに向け進退する押
出しピンを設けてなることを特徴とする第１請求
項に記載のアルミニウム合金鋳物のダイカスト法
におけるガス抜き構造。[Scope of Claim for Utility Model Registration] (1) A gas venting structure in a mold having a movable mold and a fixed mold, which includes a gas venting structure on the mold dividing surface on the movable mold side of the upper surface of the cavity to the middle of the wall thickness of the mold. A gas venting structure for die-casting an aluminum alloy casting, characterized in that a closed slit is provided, and a vacuum exhaust hole is provided on the fixed mold side, one end opening to the upper end surface and the other end opening to the closing slit. (2) The gas venting structure for die casting of aluminum alloy castings according to claim 1, wherein the vacuum exhaust hole is formed in a tapered shape so that the closed slit side is larger than the upper end surface of the fixed mold. (3) The degassing structure for die-casting aluminum alloy castings according to claim 1, wherein the movable mold is provided with an extrusion pin that moves forward and backward toward the closing slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10871690U JPH0464458U (en) | 1990-10-16 | 1990-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10871690U JPH0464458U (en) | 1990-10-16 | 1990-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464458U true JPH0464458U (en) | 1992-06-02 |
Family
ID=31855834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10871690U Pending JPH0464458U (en) | 1990-10-16 | 1990-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464458U (en) |
-
1990
- 1990-10-16 JP JP10871690U patent/JPH0464458U/ja active Pending