JPH05237878A - Injection mold - Google Patents
Injection moldInfo
- Publication number
- JPH05237878A JPH05237878A JP3958492A JP3958492A JPH05237878A JP H05237878 A JPH05237878 A JP H05237878A JP 3958492 A JP3958492 A JP 3958492A JP 3958492 A JP3958492 A JP 3958492A JP H05237878 A JPH05237878 A JP H05237878A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- insert
- split
- split mold
- exchange
- 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
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
- B29C45/2673—Moulds with exchangeable mould parts, e.g. cassette moulds
- B29C45/2675—Mounting of exchangeable mould inserts
-
- 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
- B29C45/1742—Mounting of moulds; Mould supports
- B29C2045/1746—Mounting of moulds; Mould supports using magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えばビール瓶コン
テナのように側面外周および平面には縦横に走る補強の
ための突起条を有し上面は開放した運搬用箱等を射出成
形するために使用する射出成形用金型に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for injection-molding a transportation box or the like, such as a beer bottle container, in which outer peripheral surfaces and flat surfaces have projections for reinforcement running vertically and horizontally and the upper surface is open. The present invention relates to an injection molding die.
【０００２】[0002]
【従来の技術】上記のような運搬用箱を射出成形するに
は、例えば実公昭５４−２５４１５号公報、実公昭５４
−３０３８０号公報に開示されているように、固定金型
と、可動金型と、固定金型と可動金型との間に介在する
複数に分割した分割金型とよりなる射出成形用金型を使
用して原料樹脂を射出し、可動金型の後退に加えて、分
割金型を傾斜ガイドピン等による誘導によって側面外周
から離れる方向に移動させて、成形品の側面外周に形成
した縦横の突起条にも関わらず金型から成形品を取出す
ことができる射出成形方法が知られている。2. Description of the Related Art For carrying out the injection molding of the above-mentioned carrying box, for example, Japanese Utility Model Publication No. 54-25415 and Japanese Utility Model Publication No. 5454.
As disclosed in JP-A-30380, a mold for injection molding comprising a fixed mold, a movable mold, and a plurality of divided molds interposed between the fixed mold and the movable mold. Is used to inject the raw material resin, and in addition to the retracting of the movable mold, the split mold is moved in a direction away from the side surface outer circumference by the guidance of an inclined guide pin, etc. An injection molding method is known in which a molded product can be taken out of a mold regardless of a protrusion.
【０００３】前記ビール瓶コンテナのような運搬用箱で
は、図３の一部斜視図に示すように、基本的には側面外
周に形成した縦横の突起条１，２を有する同一の運搬用
箱本体３でありながら、運搬に便利なように側面一部の
窪み部分４の壁面を打ち抜いて形成した取手部を有する
ものと、壁面に設けた縦横の突起条１，２だけで充分と
し窪み部分４の壁面を打ち抜かないものとがある。In a shipping box such as the beer bottle container, as shown in a partial perspective view of FIG. 3, basically, the same shipping box body having vertical and horizontal projecting strips 1 and 2 formed on the outer periphery of the side surface. 3 has a handle part formed by punching out the wall surface of the recessed part 4 of the side surface for convenience of transportation, and the vertical and horizontal projections 1 and 2 provided on the wall surface are sufficient. There are some that do not punch the wall surface of.
【０００４】上記の僅かな相違に対応するために、縦横
の突起条１，２による窪み部分４を形成するために分割
金型に設けた入子の一部を交換可能として、窪み部分４
の壁面を打ち抜いた取手部を形成するときは箱体内部を
形成する金型コアに表面が密着できる突出寸法を有する
押しきり用交換入子を取付け、窪み部分４の壁面の打ち
抜きが不要なときは他の面と同様な窪み部分４の壁面を
形成するためのキャビティ部を残す壁面形成用交換入子
を取付ける構成とした分割金型を使用することが経済的
であり実行されている。In order to deal with the above-mentioned slight difference, a part of the insert provided in the split mold for forming the recessed portion 4 by the vertical and horizontal projections 1 and 2 can be replaced, and the recessed portion 4 can be replaced.
When the handle part is formed by punching out the wall surface of the case, when a punching replacement insert having a protruding dimension that allows the surface to be in close contact with the mold core forming the inside of the box is attached, and punching of the wall surface of the recessed portion 4 is not necessary. It is economical and practicable to use a split mold having a wall surface forming exchange insert that leaves a cavity for forming the wall surface of the recessed portion 4 similar to the other surface.
【０００５】[0005]
【発明が解決しようとする課題】上記従来例では、押し
きり用交換入子と壁面形成用交換入子とを交換するに
は、図４の分割金型要部断面図に示すように、分割金型
基盤５の表面の交換入子装着用窪み６に壁面形成用交換
入子または押しきり用交換入子（以下、交換入子と総称
する）７を嵌挿し、交換入子７と分割金型基盤５とをキ
ャップボルト８で締め付けていた。In the above-mentioned conventional example, in order to exchange the push-in exchange insert and the wall forming exchange insert, as shown in the sectional view of the main parts of the split mold of FIG. A wall forming exchange insert or a push-through exchange insert (hereinafter collectively referred to as an exchange insert) 7 is inserted into the exchange insert mounting recess 6 on the surface of the mold base 5, and the exchange insert 7 and the split die are inserted. The mold base 5 was tightened with the cap bolt 8.
【０００６】上記のようにして交換入子７を取付けたと
きは、キャップボルト８の頭は交換入子７のボルトキャ
ップ孔９内に沈んでいる。押しきり用交換入子の場合は
このままでよいが、壁面形成用交換入子のときは、キャ
ップボルト８の頭からボルトキャップ孔９の上端までの
空所に鉛材または銅材を埋め込み交換入子７の表面を平
滑に仕上して、製品表面の平滑性を維持する必要があ
る。When the replacement insert 7 is attached as described above, the head of the cap bolt 8 is sunk into the bolt cap hole 9 of the replacement insert 7. This may be the case for the replacement insert for push-through, but for the replacement insert for forming the wall surface, the lead material or the copper material is embedded in the space from the head of the cap bolt 8 to the upper end of the bolt cap hole 9 for the replacement insert. It is necessary to finish the surface of the child 7 to be smooth and maintain the smoothness of the product surface.
【０００７】しかしながら、壁面形成用交換入子を取付
けたときに必要な上記の鉛材または銅材を埋め込み交換
入子３の表面を平滑に仕上する作業、逆に押しきり用交
換入子を取付けるときに必要となる上記の埋め込んだ鉛
材または銅材を取出す作業は、面倒で時間を要する比能
率な作業であり生産性に影響するといった問題があっ
た。However, the above-mentioned lead material or copper material, which is necessary when the wall forming exchange insert is attached, is embedded to finish the surface of the exchange insert 3 smoothly, and conversely, the exchange insert for push-through is attached. The above-mentioned work of taking out the embedded lead material or copper material, which is sometimes necessary, is a troublesome and time-consuming work, and has a problem of affecting productivity.
【０００８】この発明は、上記従来技術の問題点を解消
するために成されたもので、容易に入子の交換ができる
分割金型を有する射出成形用金型を提供することを目的
とするものである。The present invention has been made in order to solve the above-mentioned problems of the prior art, and an object thereof is to provide an injection molding die having a split die whose nest can be easily replaced. It is a thing.
【０００９】[0009]
【課題を解決するための手段】このため、この発明に係
る射出成形用金型は、固定金型と、可動金型と、固定金
型と可動金型との間に介在する分割金型とよりなる射出
成形用金型であって、前記分割金型のうち入子の交換可
能な分割金型は裏面に磁石を埋め込み固定した交換入子
を分割金型基盤表面の交換入子装着用窪みに嵌挿してな
ることを特徴とする構成によって、前記の目的を達成し
ようとするものである。Therefore, the injection molding die according to the present invention comprises a fixed die, a movable die, and a split die interposed between the fixed die and the movable die. A mold for injection molding, comprising a replaceable split mold of the split mold, wherein a replaceable insert having a magnet embedded and fixed on the back surface is a recess for mounting the replaceable insert on the surface of the split mold base. It is intended to achieve the above-mentioned object by a structure characterized by being inserted into.
【００１０】[0010]
【作用】以上の構成により、分割金型の入子の交換必要
な個所の分割金型基盤表面の交換入子装着用窪みに交換
入子を嵌挿することにより、交換入子の裏面に埋め込み
固定した磁石は分割金型基盤に吸着し、交換入子を分割
金型本体に固定装着させることができ、交換入子の交換
時のボルト締め、交換入子の表面仕上が不要であり容易
・迅速な交換ができ、成形品表面の平滑性を損なうこと
もない。[Function] With the above configuration, the insert of the split mold is replaced. By inserting the replacement insert into the replacement insert mounting recess on the surface of the split mold base at a required location, it is embedded in the rear surface of the replacement insert. The fixed magnet is attracted to the split mold base, and the replacement insert can be fixedly attached to the split mold body, and it is not necessary to tighten the bolts when replacing the replacement insert or to finish the surface of the replacement insert. It can be replaced quickly, and the smoothness of the surface of the molded product is not impaired.
【００１１】[0011]
【実施例】以下、この発明に係る射出成形用金型を実施
例により説明する。本実施例の射出成形用金型は、射出
成形機の固定盤に取付ける固定金型と可動盤に取付ける
可動金型と、固定金型と可動金型との間に介在する分割
金型とよりなっており、固定金型、可動金型および可動
金型によってキャビティを形成し、固定金型には射出ノ
ズルが当接するスプルーブッシュが組み込まれており、
固定金型と可動金型との分離面に、或は一部分割金型と
の分離面にもランナ−が形成されている。EXAMPLES The injection molding die according to the present invention will be described below with reference to examples. The injection molding die of this embodiment is composed of a fixed die attached to a fixed plate of an injection molding machine, a movable die attached to a movable plate, and a divided die interposed between the fixed die and the movable die. The fixed mold, the movable mold, and the movable mold form a cavity, and the fixed mold has a sprue bush with which the injection nozzle abuts.
A runner is formed on the separation surface of the fixed mold and the movable mold, or on the separation surface of the partially divided mold.
【００１２】分割金型は、前記従来例と同様に可動金型
の後退に関連して、傾斜ガイドピン等による誘導によっ
て成形品の側面外周から離れる方向に移動して、成形品
の側面外周に形成した縦横の突起条にも関わらず金型か
ら成形品を取出すことができる構成となっている。Similar to the conventional example, the split mold is moved in a direction away from the side surface outer periphery of the molded product by the guide by an inclined guide pin or the like in association with the retreat of the movable mold, and is moved to the outer peripheral surface of the molded product. The formed product can be taken out from the mold regardless of the formed vertical and horizontal projections.
【００１３】そして、本実施例の特徴として、複数１組
みの分割金型のうち特定の分割金型は、成形品表面の縦
横の突起条および突起条に囲まれた窪み部分を形成する
ための入子の一部交換が可能となっている。As a feature of the present embodiment, a specific split mold among a plurality of sets of split molds is provided for forming vertical and horizontal projections on the surface of the molded product and a recessed portion surrounded by the projections. Part of the nest can be exchanged.
【００１４】図１は、この発明の一実施例の上記構成特
徴を示す要部断面図であり、分割金型基盤に交換入子を
嵌挿取付けした状態を示す。図２は交換入子の底面を示
す斜視図である。なお前記従来例に相当する部分は同一
符号で示す。入子交換が可能な分割金型の基盤５の所定
部分には、交換入子７を装着するための窪み６が形成し
てある。そして交換入子７は分割金型基盤５の前記窪み
６に嵌合する底部を有し、底部裏面には複数の盲孔１０
を穿ち、各盲孔１０に磁石１１が抜け出ないように埋め
込んである。FIG. 1 is a cross-sectional view of an essential part showing the above-mentioned constitutional feature of one embodiment of the present invention, showing a state in which a replacement insert is fitted and attached to a split mold base. FIG. 2 is a perspective view showing the bottom surface of the replacement insert. The parts corresponding to the conventional example are designated by the same reference numerals. A recess 6 for mounting the replacement insert 7 is formed in a predetermined portion of the base 5 of the split mold in which the insert can be replaced. The exchange insert 7 has a bottom portion that fits into the recess 6 of the split mold base 5, and a plurality of blind holes 10 are formed on the back surface of the bottom portion.
The magnet 11 is embedded in each blind hole 10 so as not to come out.
【００１５】上記構成の分割金型基盤５の窪み６に交換
入子７を挿入嵌合させることにより、交換入子７の裏面
に埋め込み固定した磁石１１は分割金型基盤５に吸着
し、交換入子７を分割金型基盤５に固定装着させること
ができる。By inserting and fitting the exchange insert 7 into the recess 6 of the split mold base 5 having the above-mentioned structure, the magnet 11 embedded and fixed in the back surface of the exchange insert 7 is attracted to the split mold base 5 and exchanged. The insert 7 can be fixedly attached to the split mold base 5.
【００１６】１２は分割金型基盤５を貫通する小径の入
子抜き孔であり、この入子抜き孔１２に棒を差し込み交
換入子７の底面に当て叩いて交換入子７を取外すことが
できる。Reference numeral 12 is a small-diameter insertion hole that penetrates through the split mold base 5. A rod can be inserted into this insertion hole 12 and the exchange insertion member 7 can be removed by hitting it on the bottom surface of the exchange insertion member 7. it can.
【００１７】上記のようにして、交換入子７、即ち壁面
形成用交換入子または押しきり用交換入子を選択して取
付けることができ、しかも交換・取付け時のボルト締
め、交換入子の表面仕上が不要であり容易・迅速な交換
ができ、成形品表面の平滑性を損なうこともない。As described above, the exchange insert 7, that is, the wall formation exchange insert or the push-through exchange insert can be selected and attached, and further, the bolt tightening at the time of exchange / attachment and the exchange insert can be performed. No surface finishing is required, easy and quick replacement is possible, and the smoothness of the surface of the molded product is not impaired.
【００１８】[0018]
【発明の効果】以上説明したように、この発明によれ
ば、分割金型の入子の交換必要な個所の分割金型基盤表
面の交換入子装着用窪みに交換入子を嵌挿することによ
り、交換入子の裏面に埋め込み固定した磁石は分割金型
基盤に吸着し、交換入子を分割金型本体に固定装着させ
ることができる。そして、交換入子の交換時のボルト締
めや、交換入子の表面仕上が不要であり容易・迅速な交
換ができ、成形品表面の平滑性を損なうこともない。As described above, according to the present invention, it is possible to insert the replacement insert into the replacement insert mounting recess on the surface of the split mold base where the insert of the split mold needs to be replaced. As a result, the magnet embedded and fixed on the back surface of the replacement insert is attracted to the split mold base, and the replacement insert can be fixedly mounted on the split mold main body. Further, since bolting at the time of exchanging the replacement insert and surface finishing of the replacement insert are not required, easy and quick replacement is possible, and the smoothness of the surface of the molded product is not impaired.
【図１】 一実施例の構成特徴を示す要部断面図であ
る。FIG. 1 is a cross-sectional view of an essential part showing the structural feature of one embodiment.
【図２】 交換入子の底面を示す斜視図である。FIG. 2 is a perspective view showing a bottom surface of an exchange insert.
【図３】 運搬用箱の一部斜視図である。FIG. 3 is a partial perspective view of a transport box.
【図４】 従来の分割金型要部断面図である。FIG. 4 is a sectional view of a main part of a conventional split mold.
１ 縦突起条 ２ 横突起条 ３ 運搬用箱本体 ５ 分割金型基盤 ６ 交換入子装着用窪み ７ 交換入子 ８ キャップボルト １０ 盲孔 １１ 磁石 １２ 入子抜き孔 1 Vertical protrusions 2 Horizontal protrusions 3 Transport box body 5 Split mold base 6 Replacement insert mounting recess 7 Replacement insert 8 Cap bolt 10 Blind hole 11 Magnet 12 Insert removal hole
Claims (1)
動金型との間に介在する分割金型とよりなる射出成形用
金型であって、前記分割金型のうち入子の交換可能な分
割金型は裏面に磁石を埋め込み固定した交換入子を分割
金型基盤表面の交換入子装着用窪みに嵌挿してなること
を特徴とする射出成形用金型。1. An injection molding mold comprising a fixed mold, a movable mold, and a split mold interposed between the fixed mold and the movable mold, wherein the mold is a mold for injection molding. The replaceable split mold of the child is an injection molding mold characterized in that an exchange insert having a magnet embedded and fixed on the back surface is fitted into a recess for mounting the exchange insert on the surface of the split mold base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3958492A JPH05237878A (en) | 1992-02-26 | 1992-02-26 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3958492A JPH05237878A (en) | 1992-02-26 | 1992-02-26 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05237878A true JPH05237878A (en) | 1993-09-17 |
Family
ID=12557149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3958492A Pending JPH05237878A (en) | 1992-02-26 | 1992-02-26 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05237878A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6942476B2 (en) * | 2002-08-15 | 2005-09-13 | The Goodyear Tire & Rubber Company | Method and apparatus for changing tire identification means via magnetic inserts |
| FR2899144A1 (en) * | 2006-04-03 | 2007-10-05 | Plastic Omnium Cie | Device for molding a plastic part of a motor vehicle, comprises two mold supports facing each other and moving with respect to one another, and a mold having two half molds respectively placed on each of the mold supports |
| JP2013147901A (en) * | 2012-01-23 | 2013-08-01 | Hori Lock Kogyo Kk | Handle |
| CN104802338A (en) * | 2015-04-17 | 2015-07-29 | 江苏新美星包装机械股份有限公司 | Die replacing device |
| WO2017217943A1 (en) * | 2016-06-16 | 2017-12-21 | Mehmet SÜRÜCÜ | Plug system with magnetic connection |
| CN109910213A (en) * | 2018-11-13 | 2019-06-21 | 温州市力尔诺机车部件有限公司 | A kind of motorcycle handle pouring molding mold |
| WO2022109888A1 (en) * | 2020-11-25 | 2022-06-02 | 欧菲光集团股份有限公司 | Mold and method for assembling/disassembling mold core in mold |
-
1992
- 1992-02-26 JP JP3958492A patent/JPH05237878A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6942476B2 (en) * | 2002-08-15 | 2005-09-13 | The Goodyear Tire & Rubber Company | Method and apparatus for changing tire identification means via magnetic inserts |
| FR2899144A1 (en) * | 2006-04-03 | 2007-10-05 | Plastic Omnium Cie | Device for molding a plastic part of a motor vehicle, comprises two mold supports facing each other and moving with respect to one another, and a mold having two half molds respectively placed on each of the mold supports |
| JP2013147901A (en) * | 2012-01-23 | 2013-08-01 | Hori Lock Kogyo Kk | Handle |
| CN104802338A (en) * | 2015-04-17 | 2015-07-29 | 江苏新美星包装机械股份有限公司 | Die replacing device |
| WO2017217943A1 (en) * | 2016-06-16 | 2017-12-21 | Mehmet SÜRÜCÜ | Plug system with magnetic connection |
| CN109910213A (en) * | 2018-11-13 | 2019-06-21 | 温州市力尔诺机车部件有限公司 | A kind of motorcycle handle pouring molding mold |
| WO2022109888A1 (en) * | 2020-11-25 | 2022-06-02 | 欧菲光集团股份有限公司 | Mold and method for assembling/disassembling mold core in mold |
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