JPS6310533A - Sealed metal mold - Google Patents
Sealed metal moldInfo
- Publication number
- JPS6310533A JPS6310533A JP15536686A JP15536686A JPS6310533A JP S6310533 A JPS6310533 A JP S6310533A JP 15536686 A JP15536686 A JP 15536686A JP 15536686 A JP15536686 A JP 15536686A JP S6310533 A JPS6310533 A JP S6310533A
- Authority
- JP
- Japan
- Prior art keywords
- runner
- divided
- cavity
- block
- gate
- 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
- 239000002184 metal Substances 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000001721 transfer moulding Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 14
- 229920005989 resin Polymers 0.000 abstract description 14
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、成形条件出しを補助し、複数のキャビティへ
の樹脂流入タイミングの安定化を行い成形品不良率を低
減させるための封止金型に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a sealing mold for assisting in setting molding conditions, stabilizing the timing of resin inflow into a plurality of cavities, and reducing the defective rate of molded products. It is something.
従来の技術
従来の封止型における各キャビティへの流入タイミング
調整はランナー断面積を段階的に変化させるか、ゲート
厚を変化させるかにより行っていたが、いずれも過去の
経験による要素が多く、各キャビティへの流入タイミン
グを完全に一定とする事は不可能であった。Conventional technology In conventional sealed molds, the timing of inflow into each cavity was adjusted by changing the cross-sectional area of the runner in stages or by changing the gate thickness, but in both cases there were many factors based on past experience. It was impossible to make the timing of inflow into each cavity completely constant.
発明が解決しようとする問題点
しかし、この様な構成では、射出スピード、型温、射出
圧力等の成形条件の巾を非常に狭い範囲で管理する必要
のある封止金型の成形において、各キャビティへの樹脂
流入タイミングのみ未管理の状態であり、成形品品質上
において問題があった。すなわち、各キャピテイへの樹
脂の流入開始時間、充填完了時間が異なることから、全
キャビティ均一の条件が出せない状態で成形を行うため
、圧力不足、充填不良等の成形不良が一定の割合で発生
していた。 ゛
そこで、本発明は成形型上型に分割されたインサートピ
ースを上下可動に設置し、各々のインサートピースを独
自に移動させ、下型のランナー彫込部へ突出すことによ
り、一定のスパンでランナー断面積を自由に変化出来、
微調整にて各キャビティへの樹脂の流入タイミングを均
一化できるようにするものである。Problems to be Solved by the Invention However, with this configuration, it is difficult to control each molding condition in a sealing mold, which requires controlling molding conditions such as injection speed, mold temperature, and injection pressure within a very narrow range. Only the timing of resin inflow into the cavity was not controlled, which caused problems in terms of molded product quality. In other words, since the start time for resin to flow into each cavity and the time to complete filling are different, molding is performed under conditions that are not uniform for all cavities, and molding defects such as insufficient pressure and filling failures occur at a certain rate. Was.゛Therefore, the present invention installs divided insert pieces in the upper die of the mold so that they can move up and down, and each insert piece moves independently and protrudes into the runner carved part of the lower die. The cross-sectional area of the runner can be changed freely,
This allows the timing of resin inflow into each cavity to be made uniform through fine adjustment.
問題点を解決するための手段
そして上記問題点を解決する本発明の手段は、成形金型
の下型に設けられたランナーの真上の上型内に、複数ケ
に分割され、各々が独自に上下方向に移動可能な状態で
設置された、ランナー巾より狭い巾のインサートピース
のランナー断面内への突出量により、ランナー長を一定
のスパンに分割して断面積を変化させるものである。Means for solving the problems and the means of the present invention for solving the above problems are divided into a plurality of parts in the upper mold right above the runner provided in the lower mold of the molding die, each having its own unique structure. The runner length is divided into fixed spans and the cross-sectional area is changed by the amount of protrusion into the runner cross section of an insert piece having a width narrower than the runner width and installed in a vertically movable state.
作 用 この技術的手段による作用は次のようになる。For production The effect of this technical means is as follows.
すなわち、樹脂がポット部からランナー端まで流れる間
に複数ケに分割され、各々突出量を変化させたインサー
トピースによりランナー断面積が変化することにより、
樹脂流の速度が微妙に変化し、各ゲートを通って各キャ
ピテイへの樹脂流れ開始時間を一定化の方向へ近づける
ことが出来、各キャビティの成形条件の安定化を図るこ
とができるものである。In other words, while the resin flows from the pot part to the runner end, it is divided into multiple parts, and the runner cross-sectional area is changed by the insert pieces each having a different protrusion amount.
The speed of the resin flow changes slightly, making it possible to bring the start time of the resin flow to each cavity through each gate closer to a constant value, thereby making it possible to stabilize the molding conditions for each cavity. .
実施例
以下に本発明の一実施例を添付図面にもとづいて説明す
る。図において１は下型に設けられたランナー、２はパ
ーティング面、３は製品部キャビティ、４はゲート、５
は前記ランナー１の真上の上型内設置されたインサート
ピース、６は上型型板、７は前記インサートピース５を
前後に移動させる調整ボルトである。そして、前記イン
サーにピース６は複数ケに分割されており、各々独自に
前記調整ボルト７により、前後に移動可能で、突出量の
差によシ前記ランナー１の断面積を変化させることがで
きるようになっており、前記インサートピース６の分割
された長さ毎に樹脂流れ速度を微妙に変化させることが
でき、樹脂がゲート４を通って、各キャビティ３へ流入
開始する時間を一定化できるものである。EXAMPLE An example of the present invention will be described below with reference to the accompanying drawings. In the figure, 1 is a runner provided in the lower die, 2 is a parting surface, 3 is a product cavity, 4 is a gate, and 5 is a parting surface.
An insert piece is installed in the upper mold directly above the runner 1, 6 is an upper mold plate, and 7 is an adjustment bolt for moving the insert piece 5 back and forth. The inserter piece 6 is divided into a plurality of pieces, each of which can be independently moved back and forth by the adjustment bolt 7, and the cross-sectional area of the runner 1 can be changed depending on the difference in the amount of protrusion. The resin flow speed can be slightly changed for each divided length of the insert piece 6, and the time required for the resin to pass through the gate 4 and start flowing into each cavity 3 can be made constant. It is something.
発明の効果
このように本発明では、複数ケに分割され上型内に設置
されたインサートピースを下型に設けられているランナ
ー内へ向は各々独自の量移動させた状態で成形を行うも
のであるため、ランナー長を分割して樹脂流れ速度の変
化を制御することができ、樹脂がゲートを通って各キャ
ピテイへ流入開始する時間を一定化することが可能で、
全体として構成を簡素化でき、品質管理上、金型組立調
整上きわめて有利なものである。Effects of the Invention As described above, in the present invention, molding is performed with the insert piece divided into a plurality of pieces and installed in the upper mold being moved by each individual amount into the runner provided in the lower mold. Therefore, it is possible to control the change in resin flow speed by dividing the runner length, and it is possible to make the time for resin to start flowing into each cavity through the gate to be constant.
The overall structure can be simplified, which is extremely advantageous in terms of quality control and mold assembly adjustment.
第１図は本発明の一実施例における封止金型の部分平面
図、第２図は第１図の八−Ａ線切断の断面図、第３図は
第１図のＢ−Ｂ線切断の断面図、第４図〜第６図は同要
部の部分断面図である。
１・・・・・・ランナー、２・・・・・・パーティング
面、３・・・・・・キャビティ、５・・・・・・インサ
ートピース、７・・・・・・調整ボルト。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名：ｊ
Ｓ１図
ハ
ＰｒＳ ２ 図
５…１ツアー１
°゛ ′１ −＋
第３図
第 ４ 閾Fig. 1 is a partial plan view of a sealing mold according to an embodiment of the present invention, Fig. 2 is a sectional view taken along line 8-A in Fig. 1, and Fig. 3 is a sectional view taken along line BB in Fig. 1. , and FIGS. 4 to 6 are partial sectional views of the same essential parts. 1...Runner, 2...Parting surface, 3...Cavity, 5...Insert piece, 7...Adjustment bolt. Name of agent: Patent attorney Toshio Nakao and 1 other person: j
S1 figure PrS2 figure
5...1 tour 1
°゛ ′1 −+ Figure 3 No. 4 Threshold
Claims (2)
であって、上型よりランナー部内へ移動可能で、かつラ
ンナー巾より狭い巾で、複数ケに分割されたインサート
ピースを設けた封止金型。(1) A mold for sealing semiconductors, etc. by transfer molding, which has an insert piece that can be moved into the runner part from the upper mold and is divided into multiple pieces with a width narrower than the runner width. Mold.
に設置されたことを特徴とする特許請求の範囲第１項記
載の封止金型。(2) The sealing mold according to claim 1, wherein each insert piece is installed so that the amount of protrusion can be adjusted independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15536686A JPS6310533A (en) | 1986-07-02 | 1986-07-02 | Sealed metal mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15536686A JPS6310533A (en) | 1986-07-02 | 1986-07-02 | Sealed metal mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6310533A true JPS6310533A (en) | 1988-01-18 |
Family
ID=15604351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15536686A Pending JPS6310533A (en) | 1986-07-02 | 1986-07-02 | Sealed metal mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310533A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290481B1 (en) * | 2000-05-19 | 2001-09-18 | Siliconware Precision Industries Co., Ltd. | Flash-free mold structure for integrated circuit package |
| US8928446B2 (en) | 2011-05-25 | 2015-01-06 | Mitsubishi Electric Corporation | Transformer |
| CN107415134A (en) * | 2017-07-27 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Valve unit and die casting |
| WO2019190380A1 (en) * | 2018-03-28 | 2019-10-03 | Flexiject Ab | Method and tool for injection moulding |
-
1986
- 1986-07-02 JP JP15536686A patent/JPS6310533A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290481B1 (en) * | 2000-05-19 | 2001-09-18 | Siliconware Precision Industries Co., Ltd. | Flash-free mold structure for integrated circuit package |
| US8928446B2 (en) | 2011-05-25 | 2015-01-06 | Mitsubishi Electric Corporation | Transformer |
| CN107415134A (en) * | 2017-07-27 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Valve unit and die casting |
| WO2019190380A1 (en) * | 2018-03-28 | 2019-10-03 | Flexiject Ab | Method and tool for injection moulding |
| US11865743B2 (en) | 2018-03-28 | 2024-01-09 | Flexiject Ab | Method and tool for injection moulding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4309163A (en) | Mould assembly for moulding elastomers | |
| US3822856A (en) | Hot runner heater | |
| EP0806272A4 (en) | Improved injection molding method for producing resin blow molded article and mold used for said method | |
| JPS6310533A (en) | Sealed metal mold | |
| US2300759A (en) | Injection molding of synthetic materials | |
| EP0004844B1 (en) | Apparatus for manufacturing plastic products | |
| JPH0462118A (en) | Method for molding of hollow resin molded item | |
| KR920700806A (en) | Molding production process and apparatus | |
| JPH08323817A (en) | Mold for injection molding synthetic resin product and injection molding method using the mold | |
| JPH0525862Y2 (en) | ||
| JPH07266389A (en) | Method and device for producing molded article of multi-component plastic substance | |
| CN207059111U (en) | A kind of mouth of a river governor motion of mould multiple-cavity mold | |
| JPH03234508A (en) | Mold | |
| KR860000803B1 (en) | Hot sprue assembly for an infection molding machine | |
| JPH0218021A (en) | Forming core and temperature controlling method thereof | |
| CN211566783U (en) | Mold insert is with shape structure of preapring for an unfavorable turn of events among injection mold | |
| ATE38179T1 (en) | MOLD PROCESS. | |
| CN212400204U (en) | Injection mold with adjustable shaping volume | |
| JPH071490A (en) | Molding method for thermoplastic base material | |
| EP0351811A3 (en) | Low pressure die casting process | |
| JPH031236Y2 (en) | ||
| JPH0521385Y2 (en) | ||
| SU639644A1 (en) | Casting mould filling control device | |
| JPS5759734A (en) | Method of molding indicating part such as character and pattern in one body on surface of molded article | |
| JPS63179719A (en) | Molding die |