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JPH03202327A - Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process - Google Patents

Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process

Info

Publication number
JPH03202327A
JPH03202327A JP34438889A JP34438889A JPH03202327A JP H03202327 A JPH03202327 A JP H03202327A JP 34438889 A JP34438889 A JP 34438889A JP 34438889 A JP34438889 A JP 34438889A JP H03202327 A JPH03202327 A JP H03202327A
Authority
JP
Japan
Prior art keywords
mold
cleaning
resin
molding
sheet member
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
Application number
JP34438889A
Other languages
Japanese (ja)
Inventor
Michio Osada
道男 長田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOOWA KK
Original Assignee
TOOWA KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TOOWA KK filed Critical TOOWA KK
Priority to JP34438889A priority Critical patent/JPH03202327A/en
Publication of JPH03202327A publication Critical patent/JPH03202327A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/70Maintenance
    • B29C33/72Cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE:To remove effectively and surely the extraneous matter adhere to the molding face to be filled with molding resin material and the molding face of said periphery by a method in which a cleaning sheet member is set on the molding face, and after mold-clamping, cleaning resin solution is injected thereinto under pressure. CONSTITUTION:The sheet member 20 for cleaning is composed of the sheet member such as e.g. paper, resin or rubber, etc., having heat resistance and the liquid-absorbing property for cleaning resin solution. The path 201 guiding heated and molten cleasing resin solution to a transferring path 7, up and down both cavities 11, 21 and an air vent 12 from the position of a pot 5, is provided, and then the depression 20 guiding cleaning resin solution into the part to be filled with resin material and the necessary range of the peripheral mold face, is provided. After mold releasing process has been finished, while the sheet member 20 is fed and set so that the sheet member 20 is superimposed on the prescribed position of the face of a bottom force 2, the cleaning material 21 of e.g. melamin resin is fed into the pot 5, and mold clamping is carried out, and further heated and molten cleaning resin solution is injected under pressure into the part to be filled with resin material. Next, the mold is opened and mold release is carried out.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、例えば、IC等の電子部品を樹脂材料によ
って封止成形するための金型面、或は、その他の樹脂成
形用金型面のクリーニング方法とこの方法に用いられる
クリーニング用シート部材及びこの方法を用いる連続自
動樹脂成形方法に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention is applicable to mold surfaces for sealing and molding electronic components such as ICs with resin materials, or other mold surfaces for resin molding. The present invention relates to a cleaning method, a cleaning sheet member used in this method, and a continuous automatic resin molding method using this method.

〔従来の技術〕[Conventional technology]

例えば、IC、ダイオード、コンデンサー等の電子部品
をエポキシレジン等の熱硬化性樹脂材料にて封止成形す
るための金型としては、第7図乃至第9図に示すような
トランスファー樹脂封止成形用の金型が知られている。
For example, as a mold for sealing electronic components such as ICs, diodes, and capacitors with thermosetting resin materials such as epoxy resin, transfer resin sealing molding as shown in FIGS. 7 to 9 is used. Molds for this purpose are known.

上記金型には、固定上型1と、該固定上型1に対向配設
した可動下型2と、該上下両型(1・2)のP、L (
パーティングライン)面に対設した電子部品3の樹脂封
止成形用キャビティ11・21と、下型2側に配置した
樹脂材料(タブレット)4の供給用ポット5と、該ポッ
ト内に嵌装させた樹脂材料加圧用のプランジャー6と、
上記ポット5と上型キャビティ11側とを連通させたカ
ル部71・ゲート部72等から成る溶融樹脂材料の移送
用通路7と、上下両型(1・2)に夫々配設した加熱用
のヒータ8等が備えられている。
The mold includes a fixed upper mold 1, a movable lower mold 2 disposed opposite to the fixed upper mold 1, and P and L of both the upper and lower molds (1 and 2).
cavities 11 and 21 for resin-sealing molding of the electronic component 3 placed opposite to each other on the parting line) surface, a pot 5 for supplying the resin material (tablet) 4 placed on the side of the lower mold 2, and a pot 5 fitted in the pot. a plunger 6 for pressurizing the resin material;
A passage 7 for transferring the molten resin material consisting of a cull part 71, a gate part 72, etc. that communicates the pot 5 with the upper mold cavity 11 side, and a heating passage provided in both the upper and lower molds (1 and 2), respectively. A heater 8 etc. are provided.

この金型による電子部品3の樹脂封止成形は次のように
して行なわれる。
Resin sealing molding of the electronic component 3 using this mold is performed as follows.

まず、第9図に示す上下両型(l・2)の型同時におい
て、電子部品3を装着したリードフレーム9を下型2の
P、L面に形成したセット用凹所2□の所定位置に嵌合
セットすると共に、ポット5内に樹脂材料4を供給する
First, when both the upper and lower molds (l and 2) shown in FIG. At the same time, the resin material 4 is supplied into the pot 5.

次に、第10図に示すように、下型2を上動させて上下
両型(1・2)を型締めすると共に、この状態でポット
5内の樹脂材料4をプランジャー6により加圧する。こ
のとき、該樹脂材料はヒータ8によって加熱溶融化され
、且つ、プランジャー6により力a圧されて、該ボット
5から通路7を通して上下両キャビティ(11・21)
内に注入充填される。
Next, as shown in FIG. 10, the lower mold 2 is moved upward to clamp both the upper and lower molds (1 and 2), and in this state, the resin material 4 in the pot 5 is pressurized by the plunger 6. . At this time, the resin material is heated and melted by the heater 8, and is pressed by a force a by the plunger 6, and is passed from the bot 5 to the upper and lower cavities (11, 21) through the passage 7.
Filled with injection.

また、上記両キャビティ(11・21)内に注入充填さ
れた溶融樹脂材料は該両キャビティ内の残溜エアを上型
面に設けたエアベント12を通して外部へ排出すること
になる。
Further, the molten resin material injected and filled into the two cavities (11, 21) discharges residual air in the two cavities to the outside through the air vent 12 provided on the upper mold surface.

従って、所要のキュアタイム後に両型(1・2)を再び
型開きすると共に、両キャビティ(11・2+、)内及
び通路7内の硬化樹脂を上下の両エジェクター機構10
・10にて同時的に離型させることにより、上記両キャ
ビティク11・21〉内の電子部品3を該両キャビティ
の形状に対応するモールドパッケージ内に封止成形する
ことができるものである。
Therefore, both the molds (1 and 2) are opened again after the required curing time, and the cured resin in both the cavities (11 and 2+) and the passage 7 is removed by the upper and lower ejector mechanisms 10.
By simultaneously releasing the molds at step 10, the electronic components 3 in both cavities 11 and 21 can be sealed and molded into a mold package corresponding to the shape of both cavities.

上述したような電子部品の樹脂封止成形時や、その他の
樹脂成形時においては、その金型P、L面に溶融樹脂材
料の一部が浸入して硬化し樹脂パリが形成されると云っ
た樹脂成形上の一般的な問題があり、また、キャビティ
内等には離型剤の堆積物等の異物(以下、単に異物と云
う)が残存し易いと云った問題がある。そして、金型P
、L面にこのような異物が残存していると、次の樹脂成
形時において両金型の完全な型締めを行なうことができ
ないため成形不良品が発生すると云った樹脂成形上の重
大な問題があり、特に、樹脂材料に熱硬化性樹脂材料が
用いられるときは、金型の型締時において、硬化した異
物により金型P、L面が損傷したり或は金型自体が破損
する等の重大な危険性がある。
During resin encapsulation molding of electronic components as described above, or other resin molding, a portion of the molten resin material infiltrates the P and L surfaces of the mold and hardens, forming a resin barrier. There are general problems in resin molding, and there is also the problem that foreign matter (hereinafter simply referred to as foreign matter) such as deposits of mold release agent tends to remain in the cavity and the like. And mold P
If such foreign matter remains on the L side, it is a serious problem in resin molding that the molds cannot be completely clamped during the next resin molding process, resulting in defective molded products. In particular, when a thermosetting resin material is used as the resin material, when the mold is clamped, the mold P and L surfaces may be damaged by hardened foreign matter, or the mold itself may be damaged. There is a serious risk of

そこで、従来より、樹脂成形工程の終了毎に、金型面に
残存付着した異物を剥離除去するためのクリーニング作
業を行なうようにしている。
Therefore, conventionally, every time a resin molding process is completed, a cleaning operation is performed to peel off and remove foreign matter remaining on the mold surface.

従来のクリーニング方法としては、例えば、専用のブラ
シ部材を用いる方法や、高圧縮エアを吹き付ける方法等
が知られている。
As conventional cleaning methods, for example, a method using a special brush member, a method of blowing highly compressed air, etc. are known.

また、メラミン樹脂系のクリーニング樹脂材料を用いて
通常のトランスファー成形を行なうことにより、その溶
融樹脂材料に金型面の異物を接着させて、これを該樹脂
材料と共に金型面から除去する方法等も提案されている
In addition, there is a method in which foreign matter on the mold surface is adhered to the molten resin material by performing normal transfer molding using a melamine resin-based cleaning resin material, and this is removed from the mold surface together with the resin material. has also been proposed.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかしながら、上記したブラシ部材を用いる方法や高圧
縮エアを吹き付ける方法においては、金型面に付着した
異物の剥離除去作用・効果が一様ではないためにその除
去効率が低くきわめて不充分なものであった。
However, in the above-mentioned methods of using a brush member or blowing highly compressed air, the removal efficiency and removal efficiency of foreign matter adhering to the mold surface are low and extremely insufficient because the peeling and removal effect is not uniform. there were.

特に、電子部品の樹脂封止成形時のように、樹脂材料と
して熱硬化性樹脂材料が用いられる場合は、金型(金属
)に対する樹脂の接着性が大きいことから、完全に異物
を剥離除去することができず、従って、これらのクリー
ニング方法を採用しても更にその後処理として作業者が
クリーニング用ヘラ等を用いて異物を確実に剥離除去す
ると云った人為的な手作業によるクリーニング作業が必
要不可欠であった。
In particular, when a thermosetting resin material is used as the resin material, such as when molding electronic parts with resin, the adhesiveness of the resin to the mold (metal) is high, so foreign substances must be completely peeled off and removed. Therefore, even if these cleaning methods are adopted, it is still necessary to perform manual cleaning work in which the worker uses a cleaning spatula or the like to reliably peel off and remove foreign substances. Met.

このため、全体的な生産性が低下すると共に、成形品の
品質性及び信頼性が低下し、更に、上記したヘラ等には
砥粒が含有されているので、却って金型面を損傷する等
の問題があった。
As a result, the overall productivity decreases, as well as the quality and reliability of the molded product.Furthermore, since the above-mentioned spatula etc. contain abrasive grains, they may even damage the mold surface. There was a problem.

また、メラミン樹脂系のクリーニング樹脂材料を用いる
方法においては、クリーニング樹脂溶液が充填される金
型面、即ち、該樹脂溶液の移送用通路内や上下両キャビ
ティ内及びエアベント内における異物との接着効果は認
められるが、これらの充填部分からリードフレームのセ
ット用凹所や金型P、L面等の金型面に浸入して硬化し
た異物についての剥離除去作用・効果は全く期待するこ
とができないものであった。従って、この場合は、ポッ
ト及び移送用通路の周辺部・セット用凹所の全面・エア
ベントの周辺部等には未だ異物が残存付着していること
になるので、このクリーニング方法を採用しても、上記
した他の金型面に残存付着した異物の剥離除去を目的と
したクリーニング作業を別に行なう必要がある。このた
め、このクリーニング方法においても、全体的な生産性
や品質性及び信頼性を低下させると云う上述したと同様
の問題があった。
In addition, in the method using a melamine resin-based cleaning resin material, the adhesive effect with foreign matter on the mold surface filled with the cleaning resin solution, that is, in the passage for transporting the resin solution, in both the upper and lower cavities, and in the air vent. However, no peeling or removal effect can be expected at all for foreign matter that has entered the mold surfaces such as the recess for setting the lead frame or the P and L surfaces of the mold from these filled parts and hardened. It was something. Therefore, in this case, foreign matter will still remain attached to the pot and the area around the transfer passage, the entire surface of the setting recess, the area around the air vent, etc., so even if this cleaning method is adopted, , it is necessary to perform a separate cleaning operation for the purpose of peeling off and removing foreign matter remaining on the other mold surfaces mentioned above. Therefore, this cleaning method also has the same problem as mentioned above, that is, the overall productivity, quality, and reliability are reduced.

更に、従来のクリーニング方法においては、上述したよ
うに、作業者の人為的な手作業が実質的に必要不可欠で
あることから、樹脂成形の全工程を連続して実施するこ
と、或は、その連続自動化を図ることができないと云う
問題があった。
Furthermore, in the conventional cleaning method, as mentioned above, manual labor by the operator is practically indispensable, so it is necessary to carry out the entire resin molding process continuously or There was a problem that continuous automation could not be achieved.

本発明は、熱硬化性樹脂等の成形樹脂材料が充填される
金型面だけでなく、その周辺部やその他の金型面に残存
付着した異物についてもこれを一回のクリーニング作業
によって効率良く且つ確実に剥離除去することができる
樹脂成形用金型面のクリーニング方法と、この方法に用
いられるクリーニング用シート部材、及び、この方法を
用いる連続自動樹脂成形方法を提供することを目的とす
るものである。
The present invention efficiently removes foreign matter remaining and adhering not only to the mold surface where molding resin material such as thermosetting resin is filled, but also to the surrounding areas and other mold surfaces with a single cleaning operation. Another object of the present invention is to provide a method for cleaning the surface of a mold for resin molding that allows reliable peeling and removal, a cleaning sheet member used in this method, and a continuous automatic resin molding method using this method. It is.

また、本発明は、このクリーニング方法を用いる連続自
動樹脂成形方法を提供することにより、全体的な生産性
と成形品の品質性及び信頼性を向上させることを目的と
するものである。
Another object of the present invention is to improve overall productivity and the quality and reliability of molded products by providing a continuous automatic resin molding method using this cleaning method.

〔問題点を解決するための手段〕[Means for solving problems]

本発明に係る金型面のクリーニング方法は、樹脂成形用
の金型面に所要のクリーニング用シート部材をセットす
る工程と、上記セット工程後に金型を型締めする工程と
、上記型締工程後にその金型面における成形用樹脂材料
の充填部に所要のクリーニング樹脂溶液を加圧注入して
該樹脂溶液を成形用樹脂材料の充填部に残存付着する異
物に接着させる工程と、上記接着工程後に金型を型開き
する工程と、上記型開工程後に金型面からシート部材を
取り出すことによって該シート部材に吸液され且つ一体
化されたクリーニング樹脂の固化成形体及び該固化成形
体に接着一体化された異物を該金型面より剥離除去する
工程とから成ることを特徴とするものである。
The mold surface cleaning method according to the present invention includes a step of setting a required cleaning sheet member on the mold surface for resin molding, a step of clamping the mold after the setting step, and a step of clamping the mold after the mold clamping step. A step of injecting a necessary cleaning resin solution under pressure into the part filled with the molding resin material on the mold surface and adhering the resin solution to the foreign matter remaining in the part filled with the molding resin material, and after the above adhesion step. The step of opening the mold, and the step of removing the sheet member from the mold surface after the mold opening step, and forming a solidified molded body of the cleaning resin that has been absorbed and integrated into the sheet member, and is bonded and integrated with the solidified molded body. This method is characterized by comprising a step of peeling off and removing the formed foreign matter from the mold surface.

また、本発明に係る金型面のクリーニング方法は、上記
した金型の型締工程における型締圧力を所定型締圧力よ
りも稍低くなるように設定することにより、接着工程に
おけるクリーニング樹脂溶液を成形用樹脂材料の充填部
及びその周辺金型面の所要範囲内に案内することを特徴
とするものでまた、本発明に係る樹脂成形用金型面のク
リーニング用シート部材は、樹脂成形用金型面間に介在
させるシート部材であって、該金型面に加圧注入するク
リーニング樹脂材料と一体化するように構成されている
ことを特徴とするものである。
Furthermore, the method for cleaning the mold surface according to the present invention includes setting the clamping pressure in the mold clamping process of the mold to be slightly lower than the predetermined mold clamping pressure, thereby reducing the cleaning resin solution in the bonding process. The sheet member for cleaning the mold surface for resin molding according to the present invention is characterized in that it guides the filling part of the resin material for molding and its surrounding area within a required range of the mold surface. This sheet member is interposed between mold surfaces, and is characterized in that it is configured to be integrated with a cleaning resin material that is pressurized and injected into the mold surface.

また、本発明に係る樹脂成形用金型面のクリーニング用
シート部材は、金型面に設けられる成形用樹脂材料の充
填部にクリーニング樹脂溶液を案内する所要の樹脂溶液
通路部分が形成されていることを特徴とするものである
Further, the sheet member for cleaning the surface of a resin molding mold according to the present invention is formed with a necessary resin solution passage portion for guiding the cleaning resin solution to the filling part of the molding resin material provided on the mold surface. It is characterized by this.

また、本発明に係る樹脂成形用金型面のクリーニング用
シート部材は、金型面に設けられる成形用樹脂材料の充
填部及びその周辺金型面の所要範囲内にクリーニング樹
脂溶液を案内する所要形状の凹所が形成されていること
を特徴とするものである。
Moreover, the sheet member for cleaning the surface of a mold for resin molding according to the present invention is provided with a cleaning resin solution for guiding the cleaning resin solution within a required range of the filling portion of the molding resin material provided on the mold surface and the surrounding mold surface. It is characterized by having a shaped recess formed therein.

また、本発明に係る樹脂成形用金型面のクリーニング用
シート部材は、シート部材の表面形状が金型面に設けら
れる成形用樹脂材料の充填部形状に対応した形状に形成
されていることを特徴とするものである。
Further, in the sheet member for cleaning the surface of a resin molding mold according to the present invention, the surface shape of the sheet member is formed in a shape corresponding to the shape of the filling part of the molding resin material provided on the mold surface. This is a characteristic feature.

また、本発明に係る樹脂成形用金型面のクリーニング用
シート部材は、シート部材を、所要の弾性を有する素材
にて形成したことを特徴とするものである。
Further, the sheet member for cleaning the surface of a mold for resin molding according to the present invention is characterized in that the sheet member is formed of a material having a required elasticity.

また、本発明に係る連続自動樹脂成形方法は、樹脂成形
用金型を型締めし且つその金型面に溶融樹脂材料を加圧
注入して所要の樹脂成形を行なう樹脂成形工程と、上記
樹脂成形工程後に金型を型開きし且つ金型面から樹脂成
形体を取り出す成形品の離型工程と、上記離型工程後に
行なう金型面のクリーニング工程との各工程から成る連
続自動樹脂成形方法であって、該クリーニング工程が、
金型面にクリーニング用シート部材をセットした状態で
金型の型締めを行ない、次にその金型面における成形用
樹脂材料の充填部に所要のクリーニング樹脂溶液を加圧
注入して該充填部に残存付着する異物に接着させ、次に
金型を型開きして該金型面からシート部材を取り出すこ
とにより該シート部材に一体化されたクリーニング樹脂
の固化成形体と該固化成形体に接着一体化された異物を
金型面から剥離除去することを特徴とするものである。
Further, the continuous automatic resin molding method according to the present invention includes a resin molding step in which a resin molding mold is clamped and a molten resin material is injected under pressure into the mold surface to perform the desired resin molding, and A continuous automatic resin molding method comprising the following steps: a mold release step of opening the mold and taking out the resin molded object from the mold surface after the molding step, and a mold surface cleaning step performed after the mold release step. The cleaning step includes:
The mold is clamped with the cleaning sheet member set on the mold surface, and then the required cleaning resin solution is injected under pressure into the molding resin material filled portion on the mold surface. Then, by opening the mold and taking out the sheet member from the mold surface, the cleaning resin is bonded to the solidified molded body integrated with the sheet member and the solidified molded body. This method is characterized by peeling and removing the integrated foreign matter from the mold surface.

また、本発明に係る連続自動樹脂成形方法は、樹脂成形
用金型を型締めし且つその金型面に溶融樹脂材料を加圧
注入して所要の樹脂成形を行なう樹脂成形工程と、上記
樹脂成形工程後に金型を型開きし且つ金型面から樹脂成
形体を取り出す成形品の離型工程と、上記離型工程後に
行なう金型面のクリーニング工程と、該クリーニング工
程後に行なう金型面の離型用皮膜形成工程との各工程か
ら成る連続自動樹脂成形方法であって、上記クリニング
工程が、金型面にクリーニング用シート部材をセットし
た状態で金型の型締めを行ない、次に該金型面における
成形用樹脂材料の充填部に所要のクリーニング樹脂溶液
を加圧注入して該充填部に残存付着する異物に接着させ
、次に金型を型開きして該金型面からシート部材を取り
出すことにより該シート部材に一体化されたクリーニン
グ樹脂の固化成形体と該固化成形体に接着一体化された
異物を金型面から剥離除去することを特徴とするもので
ある。
Further, the continuous automatic resin molding method according to the present invention includes a resin molding step in which a resin molding mold is clamped and a molten resin material is injected under pressure into the mold surface to perform the desired resin molding, and A mold release process of opening the mold after the molding process and taking out the resin molded body from the mold surface, a mold surface cleaning process performed after the mold release process, and a mold surface cleaning process performed after the cleaning process. A continuous automatic resin molding method consisting of a release film forming step and a mold release film forming step, in which the cleaning step involves clamping the mold with a cleaning sheet member set on the mold surface, and then A necessary cleaning resin solution is injected under pressure into the molding resin material filled part on the mold surface to adhere to foreign matter remaining in the filled part, and then the mold is opened and the sheet is removed from the mold surface. By taking out the member, the solidified molded body of the cleaning resin integrated with the sheet member and the foreign matter adhesively integrated with the solidified molded body are peeled off and removed from the mold surface.

また、本発明に係る連続自動樹脂成形方法は、上記した
クリーニング工程における金型の型締圧力を所定型締圧
力よりも稍低くなるように設定することにより、クリー
ニング樹脂溶液を成形用樹脂材料の充填部及びその周辺
金型面の所要範囲内に案内することを特徴とするもので
ある。
Further, in the continuous automatic resin molding method according to the present invention, the mold clamping pressure of the mold in the above-mentioned cleaning step is set to be slightly lower than the predetermined mold clamping pressure, so that the cleaning resin solution is applied to the molding resin material. It is characterized by guiding the filling part and its surrounding area within a required range of the mold surface.

〔作用〕[Effect]

本発明によれば、型締工程後の金型面に所要のクリーニ
ング樹脂溶液を加圧注入して該樹脂溶液を金型面に残存
付着する異物に接着させることができる。また、このと
き、上記クリーニング樹脂溶液を金型面にセットしたシ
ート部材に吸液させることができ、或は、該両者を係合
一体化させることができる。従って、該金型面に残存付
着した異物は、金型面からシート部材を取り出す時に、
該シート部材を介して、同時的にしかも効率良く且つ確
実に剥離除去されることになる。
According to the present invention, a required cleaning resin solution is injected under pressure into the mold surface after the mold clamping step, and the resin solution can be bonded to foreign matter remaining on the mold surface. Further, at this time, the cleaning resin solution can be absorbed by the sheet member set on the mold surface, or the two can be engaged and integrated. Therefore, foreign matter remaining on the mold surface is removed when the sheet member is taken out from the mold surface.
Through the sheet member, it is simultaneously, efficiently and reliably peeled off and removed.

また、本発明によれば、樹脂成形工程及び成形品の離型
工程に連続させて該樹脂成形用金型面のクリーニング工
程を行なうことができるので、樹脂成形全工程の連続自
動化が図れるものである。
Further, according to the present invention, since the cleaning process of the resin molding mold surface can be carried out in succession to the resin molding process and the mold release process of the molded product, continuous automation of the entire resin molding process can be achieved. be.

〔実施例〕〔Example〕

次に、本発明を実施例図に基づいて説明する。 Next, the present invention will be explained based on embodiment figures.

第1図((4)・(B)にはクリーニング用シート部材
の概略構成を、また、第2図には該クリーニングシート
部材を樹脂成形用金型面にセットした状態を夫々示して
いる。
FIGS. 1(4) and 1(B) show a schematic structure of a cleaning sheet member, and FIG. 2 shows a state in which the cleaning sheet member is set on the surface of a mold for resin molding.

このクリーニング用シート部材20は、該シート部材を
供給セットし且つ該セット位置からの取出作用を自動的
に行なう適宜な自動化機構30を介して、樹脂成形用金
型面のクリーニング工程時に該金型面く上型1及び下型
2〉間に介在させるものである。また、上記シート部材
20は、所要の耐熱性と、金型の型締後にその金型面に
加圧注入するクリーニング樹脂溶液を吸液することがで
きる所要の吸液性を備えた素材、例えば、紙製・樹脂製
・ゴム製等のシート部材から形成されており、更に、そ
の形状・大きさ等は上記した金型面に対応して形成され
ている。
This cleaning sheet member 20 is supplied to the mold during the cleaning process of the mold surface for resin molding through an appropriate automation mechanism 30 that automatically performs the action of supplying and setting the sheet member and taking it out from the set position. It is interposed between the upper mold 1 and the lower mold 2. The sheet member 20 is made of a material having a required heat resistance and a required liquid absorbency capable of absorbing a cleaning resin solution that is pressurized and injected into the mold surface after the mold is clamped, for example. It is formed from a sheet member made of paper, resin, rubber, etc., and its shape, size, etc. are formed to correspond to the above-mentioned mold surface.

また、上記した金型面に設けられる成形用樹脂材料の充
填部、即ち、ボット5の位置から移送用通路7・上下両
キャビティlr・21  ・エアベント12部分に、例
えば、メラミン樹脂系のクリーニング樹脂材料21を加
熱溶融化した樹脂溶液を案内する所要の通路部分20.
が形成されている。
In addition, a cleaning resin such as melamine resin is applied to the filling part of the molding resin material provided on the mold surface, that is, from the position of the bot 5 to the transfer passage 7, both the upper and lower cavities lr, 21, and the air vent 12. Required passage portion 20 for guiding the resin solution obtained by heating and melting the material 21.
is formed.

また、上記した成形用樹脂材料の充填部及びその周辺金
型面の所要範囲内、即ち、ポット5の周辺部・移送用通
路7の周辺部・リードフレーム9のセット用凹所22の
周辺部・両キャビティ11・21の周辺部・エアベント
12の周辺部及びその他の金型P、L面にクリーニング
樹脂溶液を案内する所要形状の凹所202が形成されて
いる。
In addition, within the required range of the above-mentioned filling part of the resin material for molding and its surrounding mold surface, that is, the periphery of the pot 5, the periphery of the transfer passage 7, and the periphery of the recess 22 for setting the lead frame 9. - A recess 202 of a desired shape for guiding the cleaning resin solution is formed in the periphery of both cavities 11 and 21, the periphery of the air vent 12, and other surfaces of the mold P and L.

また、上記シート部材20の両側縁部には上記した自動
化機m30における着脱アーム30□等を掛止させるた
めの孔部20.が穿設されている。
Further, on both side edges of the sheet member 20, there are holes 20 for hooking the detachable arm 30□ of the above-described automated machine m30. is drilled.

なお、上記した樹脂溶液の案内用通路部分201・凹所
202 ・孔部203、及び、金型面に設けられるパイ
ロットビンとの嵌合孔等の配設位置やその形状等は、そ
の樹脂成形用金型面の構成態様に対応して夫々任意に設
定且つ形成することができるものである。また、その大
きさは、金型面におけるキャビティ部分(キャビティブ
ロック面)等の任意の範囲に対応させて形成することが
できる。
Note that the positions and shapes of the resin solution guide passage 201, recess 202, hole 203, and the pilot bottle fitting hole provided on the mold surface are determined by the resin molding. They can be set and formed as desired depending on the configuration of the mold surface. Further, the size thereof can be formed to correspond to an arbitrary range such as the cavity portion (cavity block surface) on the mold surface.

以下、上記構成を有するクリーニング用シート部材20
を用いて樹脂成形用金型面をクリーニングする場合につ
いて説明する。
Hereinafter, the cleaning sheet member 20 having the above configuration will be described.
A case will be described in which the surface of a mold for resin molding is cleaned using the following method.

このクリーニング工程は、通常の樹脂成形工程後に樹脂
成形用金型(上下両型1・2)を型開きし且つ該金型面
から樹脂成形体を取り出す成形品の離型工程が終了した
後に行なわれる。
This cleaning process is carried out after the molded product release process, in which the resin molding molds (upper and lower molds 1 and 2) are opened and the resin molded body is taken out from the mold surface, is completed after the normal resin molding process. It will be done.

まず、上記した離型工程終了後の金型型開状態において
、シート部材20を、自動化機構30を介して、下型2
面の所定位置に重ね合わせるように供給セットすると共
に、ボット5内にクリーニング樹脂材料21を供給し、 次に、この状態で下型2を上動させて上下両型(1・2
)の型締めを行なう(第2図参照)。なお、このとき、
該両型はヒータ8により加熱されているので、ボット5
内のクリーニング樹脂材料21は徐々に加熱溶融化され
ることになる。
First, in the mold open state after the mold release process described above, the sheet member 20 is transferred to the lower mold 2 via the automated mechanism 30.
At the same time, the cleaning resin material 21 is supplied into the bot 5 so as to be overlapped at a predetermined position on the surface. Next, in this state, the lower mold 2 is moved upward to form both upper and lower molds (1 and 2).
) (see Figure 2). Furthermore, at this time,
Since both molds are heated by the heater 8, the bot 5
The cleaning resin material 21 inside is gradually heated and melted.

次に、該金型面における成形用樹脂材料の充填部に加熱
溶融化したクリーニング樹脂溶液を加圧注入する。この
クリーニング樹脂溶液の加圧注入は、例えば、通常のト
ランスファーモールド方法等により行なうことができる
ので、樹脂成形の場合と同様に、加熱溶融化状態にある
ボット5内のクリーニング樹脂材料をプランジャー6に
て加圧すればよい。加圧された上記クリーニング樹脂溶
液はシート部材20における通路部分201及び凹所2
0□と、成形用樹脂材料の充填部、即ち、金型における
移送用通路7・上下両キャビティ(h・21)・エアベ
ント12内に注入充填されることになる。
Next, a heated and melted cleaning resin solution is injected under pressure into the molding resin material filled portion on the mold surface. This pressurized injection of the cleaning resin solution can be carried out by, for example, a normal transfer molding method, so that the cleaning resin material in the heated and melted state in the bot 5 is transferred to the plunger 6 in the same way as in the case of resin molding. Pressure can be applied. The pressurized cleaning resin solution flows through the passage portion 201 and the recess 2 in the sheet member 20.
0□, the molding resin material is injected and filled into the filling portion, that is, the transfer passage 7, the upper and lower cavities (h 21), and the air vent 12 in the mold.

また、このクリーニング樹脂と、金型面の上記充填部及
び該充填部分からリードフレームのセット用凹所22や
金型P、L面等の金型面に浸入して硬化した異物とは親
和力により強力に接着されることになる。また、このと
き、上記シート部材20は、所要の吸液性及び耐熱性を
有する素材から形成されているので、上記したクリーニ
ング樹脂溶液の一部を吸収し該部分において固化させる
ことになる。更に、該シート部材には、クリーニング樹
脂の固化成形体を介して、上記した金型面の異物が接着
一体化されることになる。
In addition, this cleaning resin has an affinity with the above-mentioned filling part of the mold surface and foreign substances that have penetrated from the filling part into the mold surfaces such as the lead frame setting recess 22 and the mold P and L surfaces and hardened. It will be strongly bonded. Further, at this time, since the sheet member 20 is made of a material having the required liquid absorbency and heat resistance, it absorbs a portion of the cleaning resin solution and solidifies it in that portion. Furthermore, the above-mentioned foreign matter on the mold surface is bonded and integrated with the sheet member via the solidified molded body of the cleaning resin.

次に、上記金型の型開きを行なうと共に、上記したクリ
ーニング用シート部材20とこれに接着一体化されたク
リーニング樹脂の固化成形体を上下の両エジェクター機
構10・10にて離型させると、該シート部材20に上
記クリーニング樹脂の固化成形体を介して接着一体化さ
れた異物を該金型面より効率良くスムーズにしかも確実
に剥離除去することができるものである。
Next, the mold is opened, and the cleaning sheet member 20 and the solidified molded body of the cleaning resin bonded and integrated therewith are released by the upper and lower ejector mechanisms 10. It is possible to efficiently, smoothly and reliably peel and remove foreign matter that has been bonded and integrated with the sheet member 20 via the solidified molded body of the cleaning resin from the mold surface.

なお、上記した金型の型締工程において、その型締圧力
を所定の型締圧力よりも稍低くなるように設定してもよ
い。この場合は、上記した接着工程におけるクリーニン
グ樹脂溶液を成形用樹脂材料の充填部及びその周辺金型
面の所要範囲内に、より効率良く且つスムーズに案内す
ることができると云った利点がある。
In addition, in the above mold clamping step, the clamping pressure may be set to be slightly lower than a predetermined clamping pressure. In this case, there is an advantage that the cleaning resin solution in the above-mentioned bonding process can be guided more efficiently and smoothly within the required range of the filling part of the molding resin material and the surrounding mold surface.

また、上記したクリーニング工程は、上述したように、
作業の自動化及び連続化に適応できるものであるから、
樹脂成形の全工程中に組み入れることができる。
In addition, the above-mentioned cleaning process, as mentioned above,
Because it can be adapted to automation and continuity of work,
It can be incorporated into the entire process of resin molding.

従って、樹脂成形用金型を型締めし且つその金型面に溶
融樹脂材料を加圧注入して所要の樹脂成形を行なう樹脂
成形工程と、上記樹脂成形工程後に金型を型開きし且つ
金型面から樹脂成形体を取り出す成形品の離型工程と、
上記離型工程後に行なう金型面のクリーニング工程との
各工程を連続的に且つ自動的に行なわせる連続自動樹脂
成形方法を実現することができるものである。更に、こ
の連続自動樹脂成形方法のクリーニング工程において、
金型の型締圧力を所定の型締圧力よりも稍低くなるよう
に設定し、クリーニング樹脂溶液を成形用樹脂材料の充
填部及びその周辺金型面の所要範囲内に案内するように
しても差し支えない。
Therefore, there is a resin molding process in which the resin molding mold is clamped and a molten resin material is injected under pressure into the mold surface to perform the desired resin molding, and after the resin molding process, the mold is opened and the mold is molded. A mold release process for taking out the resin molded body from the mold surface;
It is possible to realize a continuous automatic resin molding method in which each step including the mold surface cleaning step performed after the mold release step is performed continuously and automatically. Furthermore, in the cleaning process of this continuous automatic resin molding method,
Even if the mold clamping pressure of the mold is set to be slightly lower than the predetermined mold clamping pressure, the cleaning resin solution is guided within the required range of the filling part of the molding resin material and the surrounding mold surface. No problem.

なお、本発明は、上述した実施例のものに限定されるも
のではなく、本発明の趣旨を逸脱しない範囲内で、必要
に応じて、任意に且つ適宜に変更選択して採用できるも
のである。
It should be noted that the present invention is not limited to the embodiments described above, and can be arbitrarily and appropriately selected and adopted as necessary without departing from the spirit of the present invention. .

例えば、上記したクリーニング用シート部材におけるク
リーニング樹脂溶液の通路部分は、第3図に示すように
、エンボス加工にて形成したものを採用してもよく、ま
た、第4図に示すように、所要の孔部を穿設した複数の
素材を重ね合わせて適宜接着一体化させたものを採用し
てもよい。
For example, as shown in FIG. 3, the passage for the cleaning resin solution in the cleaning sheet member described above may be formed by embossing, or as shown in FIG. It is also possible to use a material in which a plurality of materials having holes formed therein are laminated and bonded together as appropriate.

また、上記したクリーニング用シート部材は、第5図に
示すように、連続気孔(連続気泡)がら成るスポンジ、
或は、ネット状の素材にて形成したものを採用してもよ
い。この場合は、該素材自体に上記したクリーニング樹
脂溶液の通路部分が実質的に構成されていることになる
ので、該通路部分の形成を省略することができると云っ
た利点がある。
In addition, as shown in FIG.
Alternatively, one formed of a net-like material may be used. In this case, since the passage portion for the cleaning resin solution described above is substantially formed in the material itself, there is an advantage that the formation of the passage portion can be omitted.

また、上記したクリーニング用シート部材の表面形状を
、第6図に示すように、金型面に設けられる成形用樹脂
材料の充填部形状に対応した形状に形成してもよい。こ
の場合は、金型構成におけるキャビティその他の凹所1
1内に残存付着した異物に対してクリーニング樹脂溶液
を効率良く接着させることができると云った利点がある
Further, the surface shape of the cleaning sheet member described above may be formed into a shape corresponding to the shape of the filling part of the molding resin material provided on the mold surface, as shown in FIG. In this case, cavities and other recesses in the mold configuration 1
There is an advantage that the cleaning resin solution can be efficiently adhered to the foreign matter remaining and attached inside the container.

また、上記したクリーニング用シート部材は、該シート
部材自体を所要の弾性(或は軟質性)を有する素材にて
形成してもよい。なお、該シート部材を肉薄に形成して
所要の弾性を備えるようにしてもよく、この場合、例え
ば、リードフレームのセット用凹所に該シート部材とダ
ミーリードフレームとを同時にセットするようときに該
シート部材をその凹所の内面に折り曲げて密着させるこ
とができると云った利点がある。
Further, the cleaning sheet member described above may be formed of a material having the required elasticity (or softness). Note that the sheet member may be made thin to provide the required elasticity. In this case, for example, when the sheet member and the dummy lead frame are set at the same time in the setting recess of the lead frame, There is an advantage that the sheet member can be bent and brought into close contact with the inner surface of the recess.

また、上記したクリーニング用シート部材におけるクリ
ーニング樹脂溶液の通路部分を金型におけるゲート部分
との対応位置に穿設した場合は、該クリーニング樹脂溶
液を上下両キャビティ側へ夫々案内することができるの
で、該キャビティ部における通路部分の穿設を省略して
もよい。
Furthermore, if the cleaning resin solution passage section in the cleaning sheet member described above is bored at a position corresponding to the gate section in the mold, the cleaning resin solution can be guided to both the upper and lower cavities, respectively. The passage portion in the cavity may be omitted.

また、上記クリーニング用シート部材におけるクリーニ
ング樹脂溶液の通路部分は、該シート部材と、加熱溶融
化後に硬化(固化)する上記樹脂溶液との一体化を図る
ための保合用孔部を兼ねることができる。従って、この
通路部分を介して該両者の保合一体化を図ることができ
るので、このクリーニング用シート部材に上記樹脂溶液
の吸液性を有しない素材を用い得るものである。
Further, the passage portion of the cleaning resin solution in the cleaning sheet member can also serve as a retention hole for integrating the sheet member with the resin solution that hardens (solidifies) after being heated and melted. . Therefore, since the two can be integrated and held together through this passage, a material that does not absorb the resin solution can be used for this cleaning sheet member.

また、上記した連続自動樹脂成形方法における樹脂成形
用金型面のクリーニング工程後、即ち、次の樹脂成形工
程前において、該金型面に成形品の離型効率を高めるた
めの離型用皮膜形成工程を行なうようにしてもよい。ま
た、該方法における樹脂成形用金型面のクリーニング工
程において、該金型の型締圧力を所定型締圧力よりも稍
低くなるように設定して、クリーニング樹脂溶液を成形
用樹脂材料の充填部及びその周辺金型面の所要範囲内に
まで案内するようにしてもよい。
Furthermore, after the cleaning process of the mold surface for resin molding in the continuous automatic resin molding method described above, that is, before the next resin molding process, a mold release film is applied to the mold surface to improve the mold release efficiency of the molded product. A forming step may also be performed. In addition, in the step of cleaning the surface of the resin molding mold in this method, the mold clamping pressure of the mold is set to be slightly lower than a predetermined mold clamping pressure, and the cleaning resin solution is applied to the filling part of the molding resin material. And the surrounding area may be guided within a required range of the mold surface.

〔発明の効果〕 本発明によれば、熱硬化性樹脂等の成形樹脂材料が充填
される金型面だけでなく、その周辺部やその他の金型面
に残存付着した異物についてもこれを一回のクリーニン
グ作業によって効率良く且つ確実に剥離除去することが
できる樹脂成形用金型面のクリーニング方法と、この方
法に用いられるクリーニング用シート部材、及び、この
方法を用いる連続自動樹脂成形方法を提供することがで
きると云った優れた実用的な効果を奏するものである。
[Effects of the Invention] According to the present invention, it is possible to clean not only the mold surface where molding resin material such as thermosetting resin is filled, but also the foreign matter remaining and attached to the surrounding area and other mold surfaces. Provided is a method for cleaning a mold surface for resin molding that can be efficiently and reliably peeled off in multiple cleaning operations, a cleaning sheet member used in this method, and a continuous automatic resin molding method using this method. It has excellent practical effects.

また、本発明のクリーニング方法を用いる連続自動樹脂
成形方法によれば、全体的な生産性を向上させることが
できると共に、成形品の品質性及び信頼性を向上させる
ことができると云った優れた効果を奏するものである。
Further, according to the continuous automatic resin molding method using the cleaning method of the present invention, the overall productivity can be improved, and the quality and reliability of molded products can be improved. It is effective.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、本発明に係るクリーニング用シート部材の概
略を示しており、同図((4)はその一部切欠全体平面
図、同図(B)は同図((4)の■−■線における縦断
端面図である。 第2図は、本発明方法の作用説明図であって、上記シー
ト部材を樹脂成形用金型面にセットして型締めした状態
を示す該金型要部の一部切欠縦断正面図である。 第3図乃至第5図は、本発明に係るシート部材の他の実
施例を示すもので、いずれもその一部切欠拡大縦断正面
図である。 第6図は、本発明に係るシート部材の他の実施例を示す
一部切欠拡大縦断端面図である。 第7図及び第8図は、樹脂成形用金型における上型及び
下型の構成概略を示す一部切欠底面図及び一部切欠平面
図である。 第9図は、樹脂成形用金型の型開状態を示す一部切欠縦
断正面図である。 第10図は、第9図に対応する金型の型締状態を示す一
部切欠縦断正面図である。 〔符号の説明〕 ・・・固定上型 ・・・キャビティ ・・・エアベント ・・・可動下型 ・・・キャビティ ・・・セット用凹所 ・・・電子部品 ・・・成形樹脂材料 ・・・ポット ・・・プランジャー ・・・移送用通路 ・・・カル部 ・・・ゲート部 ・・・ヒータ ・・・リードフレーム ・・・エジェクター機構 ・・・凹 所 ・・・クリーニング用シート部材 ・・・通路部分 ・・・凹 所 ・・・掛止用孔部 ・・・クリーニング樹脂材料 ・・・自動化機構 ・・・着脱アーム
FIG. 1 shows an outline of the cleaning sheet member according to the present invention. Fig. 2 is a longitudinal cross-sectional end view taken along the line 2. Fig. 2 is an explanatory view of the operation of the method of the present invention, showing the main part of the mold, showing a state in which the sheet member is set on the mold surface for resin molding and the mold is clamped. FIG. 3 to FIG. 5 show other embodiments of the sheet member according to the present invention, and are all partially cutaway enlarged longitudinal front views thereof. The figure is a partially cutaway enlarged vertical cross-sectional end view showing another embodiment of the sheet member according to the present invention. 9 is a partially cutaway bottom view and a partially cutaway plan view showing the resin molding mold in an open state. FIG. 10 corresponds to FIG. 9. It is a partially cutaway vertical front view showing the mold clamping state of the mold. [Explanation of symbols] ... Fixed upper mold ... Cavity ... Air vent ... Movable lower mold ... Cavity ... Recess for setting...Electronic parts...Molding resin material...Pot...Plunger...Transfer passage...Cull part...Gate part...Heater...Lead frame...・・Ejector mechanism・Concave area・Cleaning sheet member・Passage area・Concave area・Latching hole・Cleaning resin material・Automation mechanism・Detachable arm

Claims (10)

【特許請求の範囲】[Claims] (1)樹脂成形用の金型面に所要のクリーニング用シー
ト部材をセットする工程と、上記セット工程後に金型を
型締めする工程と、上記型締工程後にその金型面におけ
る成形用樹脂材料の充填部に所要のクリーニング樹脂溶
液を加圧注入して該樹脂溶液を成形用樹脂材料の充填部
に残存付着する異物に接着させる工程と、上記接着工程
後に金型を型開きする工程と、上記型開工程後に金型面
からシート部材を取り出すことによって該シート部材に
吸液され且つ一体化されたクリーニング樹脂の固化成形
体及び該固化成形体に接着一体化された異物を該金型面
より剥離除去する工程とから成ることを特徴とする樹脂
成形用金型面のクリーニング方法。
(1) A process of setting a required cleaning sheet member on the mold surface for resin molding, a process of clamping the mold after the above-mentioned setting process, and a process of molding resin material on the mold surface after the above-mentioned mold clamping process. a step of injecting a required cleaning resin solution under pressure into the filled portion of the molding resin material and adhering the resin solution to foreign matter remaining and adhering to the filled portion of the molding resin material; and a step of opening the mold after the bonding step; By taking out the sheet member from the mold surface after the mold opening step, the solidified molded body of the cleaning resin that has been absorbed and integrated into the sheet member and the foreign matter that has been bonded and integrated with the solidified molded body are removed from the mold surface. A method for cleaning the surface of a mold for resin molding, the method comprising the step of removing further peeling.
(2)金型の型締工程における型締圧力を所定型締圧力
よりも稍低くなるように設定することにより、接着工程
におけるクリーニング樹脂溶液を成形用樹脂材料の充填
部及びその周辺金型面の所要範囲内に案内することを特
徴とする請求項(1)に記載の樹脂成形用金型面のクリ
ーニング方法。
(2) By setting the mold clamping pressure in the mold clamping process to be slightly lower than the predetermined mold clamping pressure, the cleaning resin solution in the bonding process can be applied to the filling part of the molding resin material and the surrounding mold surface. 2. The method for cleaning a surface of a resin molding mold according to claim 1, wherein the cleaning method comprises guiding the resin mold surface within a required range.
(3)樹脂成形用金型面間に介在させるシート部材であ
って、該金型面に加圧注入するクリーニング樹脂材料と
一体化するように構成されていることを特徴とする樹脂
成形用金型面のクリーニング用シート部材。
(3) A resin molding mold, which is a sheet member interposed between surfaces of a resin molding mold, and configured to be integrated with a cleaning resin material injected under pressure into the mold surface. A sheet member for cleaning the mold surface.
(4)金型面に設けられる成形用樹脂材料の充填部にク
リーニング樹脂溶液を案内する所要の樹脂溶液通路部分
が形成されていることを特徴とする請求項(3)に記載
のクリーニング用シート部材。
(4) A cleaning sheet according to claim (3), wherein a required resin solution passage portion for guiding a cleaning resin solution is formed in a filling portion of a molding resin material provided on a mold surface. Element.
(5)金型面に設けられる成形用樹脂材料の充填部及び
その周辺金型面の所要範囲内にクリーニング樹脂溶液を
案内する所要形状の凹所が形成されていることを特徴と
する請求項(3)又は請求項(4)に記載のクリーニン
グ用シート部材。
(5) A claim characterized in that a recess of a predetermined shape for guiding a cleaning resin solution is formed within a predetermined range of the filling portion of the molding resin material provided on the mold surface and the surrounding mold surface. (3) or the cleaning sheet member according to claim (4).
(6)シート部材の表面形状が、金型面に設けられる成
形用樹脂材料の充填部形状に対応した形状に形成されて
いることを特徴とする請求項(3)乃至請求項(5)に
記載のクリーニング用シート部材。
(6) Claims (3) to (5) characterized in that the surface shape of the sheet member is formed in a shape corresponding to the shape of the filling part of the molding resin material provided on the mold surface. Cleaning sheet member described.
(7)シート部材を、所要の弾性を有する素材にて形成
したことを特徴とする請求項(3)乃至請求項(6)に
記載のクリーニング用シート部材。
(7) The cleaning sheet member according to any one of claims (3) to (6), wherein the sheet member is made of a material having required elasticity.
(8)樹脂成形用金型を型締めし且つその金型面に溶融
樹脂材料を加圧注入して所要の樹脂成形を行なう樹脂成
形工程と、上記樹脂成形工程後に金型を型開きし且つ金
型面から樹脂成形体を取り出す成形品の離型工程と、上
記離型工程後に行なう金型面のクリーニング工程との各
工程から成る連続自動樹脂成形方法であって、上記クリ
ーニング工程が、金型面にクリーニング用シート部材を
セットした状態で金型の型締めを行ない、次にその金型
面における成形用樹脂材料の充填部に所要のクリーニン
グ樹脂溶液を加圧注入して該充填部に残存付着する異物
に接着させ、次に金型を型開きして該金型面からシート
部材を取り出すことにより該シート部材に一体化された
クリーニング樹脂の固化成形体と該固化成形体に接着一
体化された異物を金型面から剥離除去することを特徴と
する連続自動樹脂成形方法。
(8) A resin molding step in which the resin molding mold is clamped and a molten resin material is injected under pressure into the mold surface to perform the desired resin molding, and after the resin molding step, the mold is opened and A continuous automatic resin molding method comprising the following steps: a mold release step for taking out the resin molded object from the mold surface, and a mold surface cleaning step performed after the mold release step, the cleaning step being The mold is clamped with the cleaning sheet member set on the mold surface, and then the required cleaning resin solution is injected under pressure into the molding resin material filled portion on the mold surface. By adhering to the remaining adhering foreign matter, then opening the mold and taking out the sheet member from the mold surface, the solidified molded body of the cleaning resin integrated with the sheet member and the solidified molded body are bonded together. A continuous automatic resin molding method characterized by peeling off and removing foreign matter from the mold surface.
(9)樹脂成形用金型を型締めし且つその金型面に溶融
樹脂材料を加圧注入して所要の樹脂成形を行なう樹脂成
形工程と、上記樹脂成形工程後に金型を型開きし且つ金
型面から樹脂成形体を取り出す成形品の離型工程と、上
記離型工程後に行なう金型面のクリーニング工程と、上
記クリーニング工程後に行なう金型面の離型用皮膜形成
工程との各工程から成る連続自動樹脂成形方法であって
、上記クリーニング工程が、金型面にクリーニング用シ
ート部材をセットした状態で金型の型締めを行ない、次
に該金型面における成形用樹脂材料の充填部に所要のク
リーニング樹脂溶液を加圧注入して該充填部に残存付着
する異物に接着させ、次に金型を型開きして該金型面か
らシート部材を取り出すことにより該シート部材に一体
化されたクリーニング樹脂の固化成形体と該固化成形体
に接着一体化された異物を金型面から剥離除去すること
を特徴とする連続自動樹脂成形方法。
(9) A resin molding step in which the resin molding mold is clamped and a molten resin material is injected under pressure into the mold surface to perform the desired resin molding, and after the resin molding step, the mold is opened and Each step of a molded product release process in which the resin molded body is taken out from the mold surface, a mold surface cleaning process performed after the above mold release process, and a mold release film forming process on the mold surface performed after the above cleaning process. A continuous automatic resin molding method comprising: in the cleaning step, the mold is clamped with a cleaning sheet member set on the mold surface, and then the mold surface is filled with a molding resin material. The required cleaning resin solution is injected under pressure into the filled part to adhere to foreign matter remaining in the filled part, and then the mold is opened and the sheet member is taken out from the mold surface to be integrated with the sheet member. 1. A continuous automatic resin molding method characterized by peeling and removing a solidified molded body of a cleaning resin and foreign matter that has been bonded and integrated with the solidified molded body from a mold surface.
(10)クリーニング工程における金型の型締圧力を所
定型締圧力よりも稍低くなるように設定することにより
、クリーニング樹脂溶液を成形用樹脂材料の充填部及び
その周辺金型面の所要範囲内に案内することを特徴とす
る請求項(8)又は請求項(9)に記載の連続自動樹脂
成形方法。
(10) By setting the mold clamping pressure of the mold in the cleaning process to be slightly lower than the predetermined mold clamping pressure, the cleaning resin solution is applied within the required range of the filling part of the molding resin material and the surrounding mold surface. The continuous automatic resin molding method according to claim (8) or claim (9), characterized in that the continuous automatic resin molding method is guided by.
JP34438889A 1989-12-28 1989-12-28 Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process Pending JPH03202327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34438889A JPH03202327A (en) 1989-12-28 1989-12-28 Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34438889A JPH03202327A (en) 1989-12-28 1989-12-28 Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process

Publications (1)

Publication Number Publication Date
JPH03202327A true JPH03202327A (en) 1991-09-04

Family

ID=18368867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34438889A Pending JPH03202327A (en) 1989-12-28 1989-12-28 Cleaning process of mold face for molding resin, sheet member for cleaning used in same process and continuous automatic resin-molding process

Country Status (1)

Country Link
JP (1) JPH03202327A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086798A (en) * 1998-12-17 2000-07-11 Abante Corporation Method for removing contaminant from surface of mold die
WO2002011966A1 (en) * 2000-08-04 2002-02-14 Hitachi, Ltd. Mold cleaning sheet and method of producing semiconductor devices using the same
JP2003033922A (en) * 2001-05-18 2003-02-04 Hitachi Ltd Sheet for cleaning mold and method for manufacturing semiconductor device using the same
JP2007196587A (en) * 2006-01-27 2007-08-09 Nitto Denko Corp Mold regenerating sheet
JP2007196586A (en) * 2006-01-27 2007-08-09 Nitto Denko Corp Mold regenerating sheet
JP2008132759A (en) * 2006-10-23 2008-06-12 Nitto Denko Corp Sheet for regenerating mold
JP2008143144A (en) * 2006-12-13 2008-06-26 Nitto Denko Corp Sheet for mold reproduction
JP2008300856A (en) * 2008-07-11 2008-12-11 Renesas Technology Corp Semiconductor device manufacturing method
KR101296981B1 (en) * 2006-01-27 2013-08-14 히타치가세이가부시끼가이샤 Sheet for recycling mold
CN111823452A (en) * 2020-06-17 2020-10-27 苏州德林泰精工科技有限公司 Cleaning method for lead frame packaging and encapsulating mold based on resin gasket

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195010A (en) * 1987-10-07 1989-04-13 Matsushita Electron Corp Cleaning method for molding die

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195010A (en) * 1987-10-07 1989-04-13 Matsushita Electron Corp Cleaning method for molding die

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6086798A (en) * 1998-12-17 2000-07-11 Abante Corporation Method for removing contaminant from surface of mold die
WO2002011966A1 (en) * 2000-08-04 2002-02-14 Hitachi, Ltd. Mold cleaning sheet and method of producing semiconductor devices using the same
US8070992B2 (en) 2000-08-04 2011-12-06 Renesas Electronics Corporation Mold cleaning sheet and method of producing semiconductor devices using the same
KR100788769B1 (en) * 2000-08-04 2007-12-31 가부시키가이샤 히타치세이사쿠쇼 Mold cleaning sheet and method of producing semiconductor devices using the same
US7384582B2 (en) 2000-08-04 2008-06-10 Renesas Technology Corp. Mold cleaning sheet and method for producing semiconductor devices using the same
US7837908B2 (en) 2000-08-04 2010-11-23 Renesas Electronics Corporation Mold cleaning sheet and method of producing semiconductor devices using the same
KR100847320B1 (en) * 2000-08-04 2008-07-21 가부시키가이샤 히타치세이사쿠쇼 Mold cleaning sheet and method of producing semiconductor devices using the same
KR100855048B1 (en) * 2000-08-04 2008-08-29 가부시키가이샤 히타치세이사쿠쇼 Mold cleaning sheet and method of producing semiconductor devices using the same
US7572398B2 (en) 2000-08-04 2009-08-11 Renesas Technology Corp. Mold cleaning sheet and method of producing semiconductor devices using the same
US7537967B2 (en) 2001-05-18 2009-05-26 Renesas Technology Corp. Mold cleaning sheet and manufacturing method of a semiconductor device using the same
JP2003033922A (en) * 2001-05-18 2003-02-04 Hitachi Ltd Sheet for cleaning mold and method for manufacturing semiconductor device using the same
US7943432B2 (en) 2001-05-18 2011-05-17 Renesas Electronics Corporation Mold cleaning sheet and manufacturing method of a semiconductor device using the same
JP2007196586A (en) * 2006-01-27 2007-08-09 Nitto Denko Corp Mold regenerating sheet
JP2007196587A (en) * 2006-01-27 2007-08-09 Nitto Denko Corp Mold regenerating sheet
KR101296981B1 (en) * 2006-01-27 2013-08-14 히타치가세이가부시끼가이샤 Sheet for recycling mold
JP2008132759A (en) * 2006-10-23 2008-06-12 Nitto Denko Corp Sheet for regenerating mold
JP2008143144A (en) * 2006-12-13 2008-06-26 Nitto Denko Corp Sheet for mold reproduction
JP2008300856A (en) * 2008-07-11 2008-12-11 Renesas Technology Corp Semiconductor device manufacturing method
CN111823452A (en) * 2020-06-17 2020-10-27 苏州德林泰精工科技有限公司 Cleaning method for lead frame packaging and encapsulating mold based on resin gasket

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