JPH02142011U - - Google Patents
Info
- Publication number
- JPH02142011U JPH02142011U JP5114089U JP5114089U JPH02142011U JP H02142011 U JPH02142011 U JP H02142011U JP 5114089 U JP5114089 U JP 5114089U JP 5114089 U JP5114089 U JP 5114089U JP H02142011 U JPH02142011 U JP H02142011U
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- injection mold
- resin body
- molding
- center hole
- 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
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 239000013067 intermediate product Substances 0.000 description 2
- 239000012467 final product Substances 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、本考案に従う射出成形型の一例を示
す型開き状態の要部断面図であり、第２図は、第
１図の射出成形型の型閉じ状態を示す要部断面図
である。第３図は、第１図の射出成形型を用いて
成形されるＶリブドプーリの中間製品を示す縦断
面図であり、第４図は、第３図の中間製品におけ
る金属製ブツシユの中心孔に仕上げ加工が施され
ることによつて得られるＶリブドプーリの最終製
品を示す縦断面図であり、第５図は、第３図の中
間製品の成形に際して用いられる金属製ブツシユ
の一例を示す正面図である。第６図および第７図
は、それぞれ、従来例を説明するための説明断面
図である。
１０……Ｖリブド溝、１２……樹脂成形部、１
４……中心孔、１６……金属製ブツシユ、２４…
…通孔、２６……固定型、２８……可動型、３０
……スライド型、４０……スプルーブツシユ（ス
プルー部材）、４２……キヤビテイ、５８……緩
衝スリーブ、６０……皿バネ、７２……エジエク
タピン。
FIG. 1 is a sectional view of a main part of an example of the injection mold according to the present invention in an open state, and FIG. 2 is a sectional view of a main part of the injection mold of FIG. 1 in a closed state. . FIG. 3 is a vertical sectional view showing an intermediate product of the V-ribbed pulley molded using the injection mold of FIG. 1, and FIG. FIG. 5 is a longitudinal sectional view showing a final product of a V-ribbed pulley obtained by finishing processing, and FIG. 5 is a front view showing an example of a metal bushing used in molding the intermediate product shown in FIG. 3. It is. FIG. 6 and FIG. 7 are explanatory sectional views for explaining the conventional example, respectively. 10...V-ribbed groove, 12...Resin molded part, 1
4... Center hole, 16... Metal bushing, 24...
...Through hole, 26...Fixed type, 28...Movable type, 30
... slide type, 40 ... sprue bush (sprue member), 42 ... cavity, 58 ... buffer sleeve, 60 ... disc spring, 72 ... ejector pin.
Claims (1)
に固着して設けられた構造の環状樹脂体を成形す
るための射出成形型であつて、 前記環状樹脂体を成形するためのキヤビテイの
内周部を画定するように配置される金属製ブツシ
ユの中心孔内に、該キヤビテイに樹脂材料を導く
ためのスプルー部材が嵌入されるように設けられ
、該スプルー部材を通じて導かれる樹脂材料が、
該金属製ブツシユに形成された径方向の通孔を通
じて前記キヤビテイ内に射出せしめられるように
なつていることを特徴とする環状樹脂体用射出成
形型。[Claims for Utility Model Registration] An injection mold for molding an annular resin body having a structure in which a metal bush having a center hole is fixedly fixed to the inner circumferential portion, the annular resin body A sprue member for guiding a resin material into the cavity is provided so as to be fitted into the center hole of a metal bushing arranged to define the inner circumference of a cavity for molding, and the sprue member The resin material guided through the
An injection mold for an annular resin body, characterized in that the mold is adapted to be injected into the cavity through a radial through hole formed in the metal bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114089U JPH0520504Y2 (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5114089U JPH0520504Y2 (en) | 1989-04-28 | 1989-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02142011U true JPH02142011U (en) | 1990-11-30 |
| JPH0520504Y2 JPH0520504Y2 (en) | 1993-05-27 |
Family
ID=31570309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5114089U Expired - Lifetime JPH0520504Y2 (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520504Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002103385A (en) * | 2000-09-28 | 2002-04-09 | Daiwa Gosei Kk | Method for manufacturing plastic gear and molding die |
-
1989
- 1989-04-28 JP JP5114089U patent/JPH0520504Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002103385A (en) * | 2000-09-28 | 2002-04-09 | Daiwa Gosei Kk | Method for manufacturing plastic gear and molding die |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520504Y2 (en) | 1993-05-27 |