JPS62116820U - - Google Patents
Info
- Publication number
- JPS62116820U JPS62116820U JP364986U JP364986U JPS62116820U JP S62116820 U JPS62116820 U JP S62116820U JP 364986 U JP364986 U JP 364986U JP 364986 U JP364986 U JP 364986U JP S62116820 U JPS62116820 U JP S62116820U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- recess
- cavity
- gate
- cold
- 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
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/261—Moulds having tubular mould cavities
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図、第２図、第３図は本考案の一実施例を
脱型工程順で示す概要図、第４図、第５図、第６
図は本考案のより具体例を示す断面図である。第
７図、第８図は従来例を脱型工程順で示す概要図
である。
１……キヤビテイ胴型、２……キヤビテイ底部
型、３……コア型、４……ストリツパ、５……ス
プルー、６……ランナ、７……ゲート、８……鍔
、９……成形キヤビテイ、１０……凹部、１１…
…エジエクタピン、１２……ゲート切断ピン、１
３……ホツトチツプ、１４……樹脂通路、１５…
…バネ、１６……シリンダ、ｍ……コールドラン
ナー、ｎ……コールドゲート、ｗ……成形品。
Figures 1, 2, and 3 are schematic diagrams showing one embodiment of the present invention in the order of the mold removal process, and Figures 4, 5, and 6 are
The figure is a sectional view showing a more specific example of the present invention. FIGS. 7 and 8 are schematic diagrams showing the conventional example in the order of demolding steps. 1... Cavity body mold, 2... Cavity bottom mold, 3... Core mold, 4... Stripper, 5... Sprue, 6... Runner, 7... Gate, 8... Tsuba, 9... Molded cavity , 10... recess, 11...
...Ejector pin, 12...Gate cutting pin, 1
3...Hot chip, 14...Resin passage, 15...
...Spring, 16...Cylinder, m...Cold runner, n...Cold gate, w...Molded product.
Claims (1)
、スプルーを設けたキヤビテイ底部型とにより構
成し、このキヤビテイ型の内部にコア型を挿入配
置して構成した金型において、コア型の先端面略
中央に、コールドランナを保持するアンダカツト
部形成用の凹部を設けると共に、この凹部に対応
して、凹部を貫通して突き出し可能なエジエクタ
ピンを設け、かつ、コア型の周部に、コールドゲ
ートを切断するゲート切断ピンを設けたことを特
徴とするパイプ状品射出成形用金型。 The cavity mold is composed of a substantially cylindrical cavity body mold and a cavity bottom mold provided with a sprue, and a core mold is inserted into the cavity mold. A recess for forming an undercut portion for holding the cold runner is provided in the center, an ejector pin is provided corresponding to the recess that can penetrate through the recess, and a cold gate is cut around the core mold. A mold for injection molding a pipe-shaped product, characterized by being provided with a gate cutting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP364986U JPS62116820U (en) | 1986-01-14 | 1986-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP364986U JPS62116820U (en) | 1986-01-14 | 1986-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62116820U true JPS62116820U (en) | 1987-07-24 |
Family
ID=30783602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP364986U Pending JPS62116820U (en) | 1986-01-14 | 1986-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62116820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230221A (en) * | 2006-02-03 | 2007-09-13 | Enplas Corp | Molding process of resin product |
| JP2009262418A (en) * | 2008-04-25 | 2009-11-12 | Starlite Co Ltd | Mold device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030533A (en) * | 1983-07-28 | 1985-02-16 | Fujitsu Ltd | Blanking of soft sheet |
-
1986
- 1986-01-14 JP JP364986U patent/JPS62116820U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030533A (en) * | 1983-07-28 | 1985-02-16 | Fujitsu Ltd | Blanking of soft sheet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230221A (en) * | 2006-02-03 | 2007-09-13 | Enplas Corp | Molding process of resin product |
| JP2009262418A (en) * | 2008-04-25 | 2009-11-12 | Starlite Co Ltd | Mold device |