JPS60149423A - Sealed mold - Google Patents
Sealed moldInfo
- Publication number
- JPS60149423A JPS60149423A JP512484A JP512484A JPS60149423A JP S60149423 A JPS60149423 A JP S60149423A JP 512484 A JP512484 A JP 512484A JP 512484 A JP512484 A JP 512484A JP S60149423 A JPS60149423 A JP S60149423A
- Authority
- JP
- Japan
- Prior art keywords
- molding material
- pot
- lower mold
- mold
- vertical 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
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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
-
- 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
- B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔技術分野］
本発明は電子部品等をインサートして封止成形するため
のマルチポット式のトランスファー成形金型に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a multi-pot transfer molding die for inserting and sealing electronic components and the like.
〔背景技＃］
従来にあっては、ポットへの成形材料の投入量のばらつ
きによる成形材料投入圧力をホット単位毎に調整するこ
とが困雌であり、特に成形材料の投入量が過剰であると
圧力によってインサートされている敏感な′電子部品を
破損してしまったり、成形品にパリを発生させるという
問題があった。[Background Technique #] Conventionally, it is difficult to adjust the molding material input pressure for each hot unit due to variations in the amount of molding material input into the pot, and in particular, it is difficult to adjust the molding material input pressure for each hot unit, especially when the amount of molding material input is excessive. There was a problem that the sensitive 'electronic parts inserted in the molded parts could be damaged by the pressure, and the molded parts could become scorched.
［発明の目的］
本発明は叙Ｅの従来例の欠点に鑑みてなされたものであ
り、その目的とするところは成形材料の投入量のばらつ
きによる成形材料の注入圧力をポット単位毎に調整可能
とすることにある。[Object of the Invention] The present invention has been made in view of the drawbacks of the conventional example of the injection molding material, and its purpose is to make it possible to adjust the injection pressure of molding material for each pot due to variations in the amount of molding material input. It is to do so.
〔発明の開示」
本発明封止成形金型は、下金型（１１Ｋ設けた縦孔（２
）内に下金！！Ｗ （１）に対してと下動するプランジ
ヤ−（３）を納め、縦孔（２）内のプランジヤー（３）
上面都に成形材料（４）を投入するためのホット（５）
を形成し、下金型（１）と対向するＥ金型（６）のポッ
ト（５）と対向する位置に引退可能な圧力調整弁（７）
を設け、圧力調整弁（７）をスプリンタ（８）によって
突出付勢したものであり、成形材料の投入量が多過ぎた
場合にはスプリンタに抗して圧力調整弁が引っ込み、成
形材料の投入量のばらつきが調整されるようになったも
のである。[Disclosure of the Invention] The sealing mold of the present invention has a lower mold (11K vertical holes (2
) Down payment within! ! A plunger (3) that moves downward relative to W (1) is housed, and the plunger (3) in the vertical hole (2) is inserted into the vertical hole (2).
Hot (5) for putting the molding material (4) into the upper surface
and a retractable pressure regulating valve (7) in a position facing the pot (5) of the E mold (6) facing the lower mold (1).
The pressure regulating valve (7) is urged to protrude by a splinter (8), and if the amount of molding material input is too large, the pressure regulating valve retracts against the splinter, causing the molding material to The variation in the amount of input is now adjusted.
以下、本発明の実施例を添付図により詳述する。（１）
は下金型であり、下金型（１）の上金型（６）との合せ
面（乃には＋１′７とティ（９）とランナーαりが設け
られており、ランナー四の端には下金型（１）の上下方
向に貫通する縦孔（２）が穿孔されている。（１］）は
ハイドピン、（３）は縦孔（２）内に下方からスライド
可能に挿入されたブラシジャーであり、下金型（１）が
ガイドヒン伏υに沿って下降するとプランジャー（３）
が縦孔（２）内を上方へ突出してゆくようになっている
。又、縦孔（２）内のブラシジャー（３）Ｅ面部には成
形材料（４）を投入するためのポット（５）が形成され
ている。Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. (1)
is the lower mold, and the mating surface (no) of the lower mold (1) with the upper mold (6) is provided with +1'7, tee (9), and runner α, and the four ends of the runner A vertical hole (2) is bored through the lower mold (1) in the vertical direction. (1) is a hide pin, and (3) is slidably inserted into the vertical hole (2) from below. When the lower mold (1) descends along the guide hinge υ, the plunger (3)
protrudes upward inside the vertical hole (2). Further, a pot (5) for charging the molding material (4) is formed on the E side of the brush jar (3) inside the vertical hole (2).
（６）は土工前して下金型（１）と対面する上金型であ
り、上金型（６）にはポット（５）と対向して上下スラ
イド自在な圧力調整弁（７）が設けられており、圧力調
整弁（７）はストッパー曹によって上金型（６）の合せ
而ＣＰ）と而−になった状態で止まるようになっている
。(6) is the upper mold that faces the lower mold (1) before earthwork, and the upper mold (6) has a pressure regulating valve (7) that faces the pot (5) and can freely slide up and down. The pressure regulating valve (7) is stopped in a state where the upper mold (6) is connected to the upper mold (6) by a stopper.
そして、この引退可能となった圧力調整弁（７）はスプ
リンタ（８）によって突出方向へ付勢されている。This retractable pressure regulating valve (7) is urged in the projecting direction by the splinter (8).
このようにしてボ・シト（５）やブラシジャ−（３）、
圧力調整弁（７）は複ｌ！に箇所に設けられており、各
ポット（５）ごとに複数個（図示例では４個）の＋セピ
ティー（９）が連通している。In this way, Bo Shito (5), Brassia (3),
The pressure regulating valve (7) is double l! A plurality of (four in the illustrated example) + sepites (9) are connected to each pot (5).
しかして、成形に際しては、十′１７じティー（９）内
にイー、Ｊサート弯の′電子部品等を配置し、ホット（
５）内に所定量の成形材料（４）を投入し、北方から上
金型（６）を下降させて下金型（１）と合せると、ポッ
ト（５）は圧力調整弁（７）によって閉じられる。更に
上金型（６）を下降させると下金型（１）を押し下げ、
ブラシジャー（３）が合せ而（Ｐ）に達するまで縦孔（
２）内をＬ昇してポット（５）内を狭めてゆき、ホット
（５）内の成形材料（４）を加圧してランナーＵｔ１を
通って＋Ｐピテイー（９）内へ注入する。このとき、投
入された成形材料（４）が多過ぎたポット（５）ではプ
ラン′：Ｔ’ｔ’（３）によって成形材料（４）に加え
られた圧力のために圧力調整弁（７）が引込み、これに
よって電子部品等に過度の圧力が加わるのを回避できる
と共に第３図のように余分の成形材料（４）はカルａ葎
となって伐る。Therefore, when molding, electronic components of E and J sert curves are placed in the 17th tee (9), and the hot (
5) When a predetermined amount of molding material (4) is put into the chamber and the upper mold (6) is lowered from the north and combined with the lower mold (1), the pot (5) is released by the pressure regulating valve (7). Closed. Further lowering the upper mold (6) pushes down the lower mold (1),
Insert the brush jar (3) into the vertical hole (
2) Raise the inside L to narrow the inside of the pot (5), pressurize the molding material (4) inside the hot pot (5), and inject it into the +P pitey (9) through the runner Ut1. At this time, in the pot (5) where too much of the molding material (4) has been put in, the pressure regulating valve (7) is closed due to the pressure applied to the molding material (4) by the plan': is retracted, thereby avoiding excessive pressure being applied to electronic parts, etc., and excess molding material (4) is cut off as a husk as shown in Fig. 3.
〔発明の効果］
本発明は１叙の如く構成されているから、成形材料の投
入量が多過ぎた場合には圧力調整弁が用匈号注入圧が過
度に高くなるのを防止でき、インサートされている電子
部品等を圧力で破損させたり、成形品にパリを発生させ
たりすることを防止でき、しかもポット毎に成形材料の
投入量のばらつきを吸収できるという利点がある。[Effects of the Invention] Since the present invention is configured as described in Section 1, when the amount of molding material input is too large, the pressure regulating valve can prevent the injection pressure from becoming excessively high, and the insert This method has the advantage of preventing damage to electronic components and the like caused by pressure and the occurrence of cracks in molded products, and also being able to absorb variations in the amount of molding material added from pot to pot.
第１図は本発明の一実施例を示す一部破断した平面図、
第２図は第１図のＸ−Ｘ断面図、第３図は同Ｅのポット
部分の成形時の状態を示す断面図である。
（１）・・・下金型、（２ン・・・縦孔、（３ン一・プ
ランジＰ−１（４）・・・成形材料、（５）・・・ポッ
ト、（６）・・・上金型、（７）・・・圧力調整弁、（
８）・・・スプリ：７ジ。
代理人 弁理士 石 １）長 七
手続補正書（自発）
昭和６０年１３月 ３ｏ日
１、事件の表示
昭和５９年特許願第５１２４号
２、発明の名称
封止成形金型
３、補正をする者
事件との関係 特許出願人
住 所 大阪府門真市大字門真１０４８番地名称（５８
３）松下電工株式会社
代表者 藤 井 自 失
４、代理人
郵便番号 ５３０
５、補正命令の日付
自 完
を挿入致します。
１）本願明細書の特許請求の範囲を下記の通り訂正致し
ます。
［（１）下金型に設けた縦孔内に下金型にＮして上下動
するプランジャーを納め、縦孔内のプランジャー上面部
に成形相料を投入するためのポットを形成し、下金型と
対面する一Ｌ金型のポットと対向する位置に引退可能な
圧力調整弁を設け、圧力調整弁をスプリング又−１３４
１１瓦よ］四に一ζ叫弾！Ｌ手杖１北へた一■調−驚薯
Ｉ−によって突出付勢して成ることを特徴とする封止成
形金型。」
２）同上第１頁第１９行の「投入」を削除し、「注入」
を挿入致します。
３）同上第２頁第１７行の「スプリング（８）」の次に
［又は油圧、空圧などの弾性手段を用いた荷重調整装置
」を挿入致します。
４）同上第３頁第６行〜第９行のｒ（１１）はガイドビ
ン、・・・（中略）・・・下降すると１を削除し、ｒ（
１１）は突き出しビンである。（３）は縦孔（２）内に
下方からスライド可能に挿入されたプランジャーであり
、下金型（１）が上金型（６）に押し下げられ下降する
と」２−
代理人 弁理士 石 １）長 七FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along the line XX in FIG. 1, and FIG. 3 is a cross-sectional view showing the state of the pot portion E during molding. (1) Lower mold, (2-inch vertical hole, 3-inch plunge P-1 (4) Molding material, (5) Pot, (6)...・Upper mold, (7)...Pressure regulating valve, (
8)...Spri: 7ji. Agent Patent Attorney Ishi 1) Long 7th Procedural Amendment (Voluntary) December 3, 1985 1, Indication of the case 1988 Patent Application No. 5124 2, Name of the invention Sealing mold 3, Make amendments Relationship with the Patent Case Patent Applicant Address 1048 Kadoma, Kadoma City, Osaka Prefecture Name (58
3) Matsushita Electric Works Co., Ltd. Representative: Mr. Fujii (4), Agent's postal code: 530-5, Date of amended order: (Insert complete) 1) The scope of claims in the specification of this application will be corrected as follows. [(1) A plunger that moves up and down in the lower mold is placed in a vertical hole provided in the lower mold, and a pot is formed in the upper surface of the plunger in the vertical hole for charging the molding phase material.] A retractable pressure regulating valve is provided at a position facing the pot of the 1L mold facing the lower mold, and the pressure regulating valve is fixed with a spring or -134.
11 tile] One in four zeta screaming bullet! A sealing mold characterized in that it is biased to protrude by an L hand cane 1 Kitaheta 1 - Kyoto I -. 2) Delete “injection” in line 19 of page 1 of the above and change to “injection”
I will insert. 3) Insert [or a load adjustment device using elastic means such as hydraulic pressure or pneumatics] next to "Spring (8)" on page 2, line 17 of the above. 4) r(11) in the 6th to 9th lines of page 3 is the guide bin... (omitted)... When it descends, 1 is deleted and r(
11) is a push-out bottle. (3) is a plunger that is slidably inserted into the vertical hole (2) from below, and when the lower mold (1) is pushed down by the upper mold (6) and descends, 1) Long seven
Claims (1)
るプラ：７．；セーを納め、縦孔内のプランじゃ−Ｅ面
部に成形材料を投入するためのポットを形成し、下金型
と対面する上金型のポットと対向する位置に引退可能な
圧力調整弁を設け、圧力調整弁をスプリンタによって突
出付勢して成ることを特徴とする封止成形金型。(1) Plastic that moves up and down relative to the lower mold in a vertical hole provided in the lower mold: 7. ;The plan in the vertical hole forms a pot for injecting the molding material into the E side part, and a retractable pressure regulating valve is installed at a position opposite to the pot of the upper mold that faces the lower mold. 1. A sealing mold, characterized in that a pressure regulating valve is provided and urged to protrude by a splinter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP512484A JPS60149423A (en) | 1984-01-13 | 1984-01-13 | Sealed mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP512484A JPS60149423A (en) | 1984-01-13 | 1984-01-13 | Sealed mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149423A true JPS60149423A (en) | 1985-08-06 |
| JPH0251377B2 JPH0251377B2 (en) | 1990-11-07 |
Family
ID=11602564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP512484A Granted JPS60149423A (en) | 1984-01-13 | 1984-01-13 | Sealed mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60214916A (en) * | 1984-04-10 | 1985-10-28 | Matsushita Electric Works Ltd | Regulating mechanism for pressure of sealed molds |
| JPS6186938U (en) * | 1984-11-12 | 1986-06-07 |
-
1984
- 1984-01-13 JP JP512484A patent/JPS60149423A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60214916A (en) * | 1984-04-10 | 1985-10-28 | Matsushita Electric Works Ltd | Regulating mechanism for pressure of sealed molds |
| JPH0254765B2 (en) * | 1984-04-10 | 1990-11-22 | Matsushita Electric Works Ltd | |
| JPS6186938U (en) * | 1984-11-12 | 1986-06-07 | ||
| JPH0238447Y2 (en) * | 1984-11-12 | 1990-10-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0251377B2 (en) | 1990-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |