JPH0976248A - Mold with slide core - Google Patents
Mold with slide coreInfo
- Publication number
- JPH0976248A JPH0976248A JP23372695A JP23372695A JPH0976248A JP H0976248 A JPH0976248 A JP H0976248A JP 23372695 A JP23372695 A JP 23372695A JP 23372695 A JP23372695 A JP 23372695A JP H0976248 A JPH0976248 A JP H0976248A
- Authority
- JP
- Japan
- Prior art keywords
- slide core
- mold
- molding die
- tip
- movable
- 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
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は樹脂成形やダイカスト成
形などを行う際に用いられるスライドコア付成形金型に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding die with a slide core used when performing resin molding or die casting.
【０００２】[0002]
【従来の技術】従来、斜傾ピンなどのように成形金型の
開閉工程動作を利用してスライドコアを稼動させること
ができない構成の成形金型の場合、エアシリンダあるい
は油圧シリンダを利用してスライドコアを強制稼動させ
る方法が用いられていた。このエアシリンダあるいは油
圧シリンダを利用してスライドコアを強制稼動させる従
来のスライドコア付成形金型を図面を用いて説明する。2. Description of the Related Art Conventionally, in the case of a molding die having a structure in which the slide core cannot be operated by utilizing the opening / closing process operation of the molding die such as a tilted pin, an air cylinder or a hydraulic cylinder is used. The method of forcibly operating the slide core was used. A conventional molding die with a slide core for forcibly operating the slide core using this air cylinder or hydraulic cylinder will be described with reference to the drawings.
【０００３】図６は前記従来のスライドコア付成形金型
の構成を示した要部断面図であり、エアあるいは油圧で
駆動されるシリンダ２４に、ロッド２５を介して連結さ
れたスライドコア先端２７を持つスライドコア本体２６
が可動成形金型２２を装着した金型ホルダー２３の上面
に搭載されており、固定成形金型２１と可動成形金型２
２が開いている時にシリンダ２４を作動させ、スライド
コア本体２６の一面と可動成形金型２２の一面とを接
触、すなわちスライドコア先端２７を成形の定位置に設
定する。FIG. 6 is a cross-sectional view of an essential part showing the structure of the conventional molding die with a slide core. A slide core tip 27 connected to a cylinder 24 driven by air or hydraulic pressure via a rod 25. Slide core body 26 with
Is mounted on the upper surface of a mold holder 23 in which a movable molding die 22 is mounted, and a fixed molding die 21 and a movable molding die 2 are mounted.
When the cylinder 2 is open, the cylinder 24 is operated to bring one surface of the slide core body 26 into contact with one surface of the movable molding die 22, that is, set the slide core tip 27 at a fixed molding position.
【０００４】次に、金型ホルダー２３を上昇させて可動
成形金型２２と固定成形金型２１を密着させて閉じ、溶
融状態の成形材料を射出し、冷却させることにより、成
形製品２８が成形される。Next, the mold holder 23 is raised to bring the movable molding mold 22 and the fixed molding mold 21 into close contact with each other, and the molding material 28 in a molten state is injected and cooled to form a molded product 28. To be done.
【０００５】そして金型ホルダー２３を下降させ、可動
成形金型２２と固定成形金型２１とを開き（図６
（ａ））、その後シリンダ２４を作動させてスライドコ
ア本体２６、すなわちスライドコア先端２７をスタート
の位置（図６（ｂ））まで後退させた後、可動成形金型
２２より完成した成形製品２８を取り出すようにしてい
た。Then, the mold holder 23 is lowered to open the movable mold 22 and the fixed mold 21 (see FIG. 6).
(A)) After that, the cylinder 24 is operated to retract the slide core body 26, that is, the slide core tip 27 to the start position (FIG. 6B), and then the molded product 28 completed from the movable molding die 22. I was taking out.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら前記従来
の構成では、成形製品２８とスライドコア先端２７との
密着面積が大きい場合、成形製品２８からスライドコア
先端２７を離脱、すなわち引き抜くのに大きな力を必要
とし、この大きな引き抜き力を得るために大きな容量、
すなわち大パワーのシリンダ２４が必要となり、これに
より金型装置費用が高くなり、また、金型装置外形寸法
が大きくなるために金型の取扱いが不便で、また、必要
成形能力以上の大きな成形機が必要となるという課題を
有したものであった。However, in the above-mentioned conventional structure, when the contact area between the molded product 28 and the slide core tip 27 is large, a large force is required to separate the slide core tip 27 from the molded product 28, that is, to pull it out. Large capacity, required and to obtain this great pulling force,
That is, a cylinder 24 of high power is required, which increases the cost of the mold apparatus, and the external dimensions of the mold apparatus are large, which makes the mold inconvenient to handle and has a large molding machine with a required molding capacity or more. Had the problem of being required.
【０００７】本発明はこのような課題を解決しようとす
るもので、小型かつ小容量で駆動できるスライドコア付
成形金型を提供することを目的とするものである。The present invention is intended to solve such a problem, and an object thereof is to provide a molding die with a slide core which can be driven in a small size and a small capacity.
【０００８】[0008]
【課題を解決するための手段】前記課題を解決するため
に本発明によるスライドコア付成形金型は、成形金型の
固定成形金型側に先端にテーパー面を設けたカムを装着
させ、成形金型が開くときに、この成形金型を開く駆動
源にて固定成形金型側に装着したカムのテーパー面によ
り、可動成形金型に取り付けられたスライドコアをテー
パー面の距離だけ抜き出させるようにスライドコアにも
テーパー面を設けて離脱した後に成形金型を開き、シリ
ンダでスライドコアを成形製品より完全に抜き出した
後、成形製品を成形金型より取り出す構成としたもので
ある。In order to solve the above-mentioned problems, a molding die with a slide core according to the present invention is formed by mounting a cam having a taper surface on the fixed molding die side of the molding die. When the mold opens, the slide core attached to the movable mold is pulled out by the distance of the tapered surface by the taper surface of the cam mounted on the fixed mold side by the drive source that opens this mold. As described above, the slide core is also provided with a tapered surface, the molding die is opened after the slide core is detached, the slide core is completely extracted from the molding product by the cylinder, and then the molding product is taken out from the molding die.
【０００９】[0009]
【作用】この構成により、成形製品からスライドコアを
離脱、すなわち引き抜くとき、最初の必要とする大きな
力は成形金型を開く駆動源で確実に行い、その後成形製
品からスライドコアを完全に抜き出すには、小容量のシ
リンダの作動で可能となる。With this configuration, when the slide core is detached from the molded product, that is, when it is pulled out, the first large force required is surely performed by the drive source that opens the molding die, and then the slide core is completely removed from the molded product. Is possible by operating a small capacity cylinder.
【００１０】[0010]
【実施例】以下、本発明の一実施例を図面を参照しなが
ら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１１】図１から図５は、同実施例におけるスライ
ドコア付成形金型の構成を示した要部断面図であり、同
図において、１はロッド２を介して連結した、一端にス
ライドコア先端４を、また摺動面の一端角に傾斜部５を
持つスライドコア本体３を搭載した金型ホルダー９の上
面を摺動させるエアあるいは油圧で駆動されるシリン
ダ、７は前記スライドコア先端４が出入りする凹部６を
中央に設け、金型ホルダー９の他の上面に固着された可
動成形金型、８は下端に昇降駆動あるいは制御するバネ
１１のストッパー１０を持ち、金型ホルダー９に上下移
動可能に内蔵装着されたピン、１２は下面に凹部６と対
応する凹部１５を設け、先端部がピン８と同一垂直線上
に対応し、その上端と同じ幅で傾斜部５と接触し摺動す
るテーパー部１３を経由して先端部より小さい幅とした
カム部１４を装着した固定成形金型であり、１６は樹脂
材料あるいは金属材料で成る完成した成形製品である。FIGS. 1 to 5 are sectional views showing the construction of a molding die with a slide core in the same embodiment. In FIG. 1, 1 is a slide core connected to one end through a rod 2. A cylinder driven by air or hydraulic pressure that slides the tip 4 and the upper surface of the mold holder 9 having the slide core body 3 having the inclined portion 5 at one end of the sliding surface, 7 is the slide core tip 4 A movable molding die having a recess 6 for entering and exiting is provided in the center and fixed to the other upper surface of the die holder 9, and 8 has a stopper 10 of a spring 11 for vertically moving or controlling the lower end of the die holder 9, The movably built-in pin 12, provided with a recess 15 corresponding to the recess 6 on the lower surface, has a tip end on the same vertical line as the pin 8 and has a width equal to that of the upper end and contacts the inclined portion 5 to slide. Taper part 13 A fixed molding die equipped with a cam portion 14 which is smaller width than the tip portion to reason, 16 is finished molded product made of a resin material or a metal material.
【００１２】次にこのように構成された本実施例のスラ
イドコア付成形金型の動作について説明する。Next, the operation of the molding die with a slide core of this embodiment having the above-mentioned structure will be described.
【００１３】図１は動作開始、すなわち固定成形金型１
２と可動成形金型７が開いている状態を示しており、シ
リンダ１が作動し、スライドコア本体３が右方向に摺動
し、金型ホルダー９の上面からバネ１１により突出した
ピン８の左上側面にスライドコア本体３の傾斜部５の上
右側面が当接して一時停止している。FIG. 1 shows the operation start, that is, the fixed molding die 1.
2 and the movable molding die 7 are open, the cylinder 1 operates, the slide core body 3 slides to the right, and the pin 8 protruding from the upper surface of the die holder 9 by the spring 11 The upper right side surface of the inclined portion 5 of the slide core body 3 abuts on the upper left side surface and is temporarily stopped.
【００１４】次に金型ホルダー９に固着された可動成形
金型７が作動し上昇（駆動機構は図示せず）すると、カ
ム部１４の先端がピン８の上端面に当接し、バネ１１を
圧縮させてピン８を押し下げる。そしてスライドコア本
体３の傾斜部５とカム部１４のテーパー部１３が、接触
して通過した後、スライドコア本体３の傾斜部５の上右
側面とカム１４のテーパー部１３の上左側面が当接した
位置までスライドコア本体３が右方向に摺動し、スライ
ドコア先端４が凹部６および凹部１５の所定位置に設定
される（図２）。Next, when the movable molding die 7 fixed to the die holder 9 operates and rises (the driving mechanism is not shown), the tip of the cam portion 14 contacts the upper end surface of the pin 8 and the spring 11 is pushed. Compress and push pin 8 down. Then, after the inclined portion 5 of the slide core body 3 and the tapered portion 13 of the cam portion 14 come into contact with each other, the upper right side surface of the inclined portion 5 of the slide core body 3 and the upper left side surface of the taper portion 13 of the cam 14 are moved. The slide core body 3 slides to the right to the abutted position, and the slide core tip 4 is set at a predetermined position of the recess 6 and the recess 15 (FIG. 2).
【００１５】さらに可動成形金型７が上昇し、固定成形
金型１２の下面に可動成形金型７の上面が密着し、可動
成形金型７と固定成形金型１２が閉じられることにな
り、そして溶融状態の成形材料を射出し、冷却すること
により、成形製品１６を成形する（図３）。Further, the movable molding die 7 rises, the upper surface of the movable molding die 7 comes into close contact with the lower surface of the fixed molding die 12, and the movable molding die 7 and the fixed molding die 12 are closed. Then, the molten molding material is injected and cooled to mold the molded product 16 (FIG. 3).
【００１６】成形終了後、可動成形金型７が作動し下降
すると、カム部１４のテーパー部１３がスライドコア本
体３の傾斜部５と当接して上昇することにより、テーパ
ー部１３の上下部分の差幅の寸法分だけスライドコア本
体３が強制的に左方向に摺動させられ、スライドコア先
端４が成形製品１６より離脱し、テーパー部１３の上下
部分の差幅の寸法分左方向に引き抜かれる（図４）。After the completion of molding, when the movable molding die 7 is operated and descends, the taper portion 13 of the cam portion 14 comes into contact with the inclined portion 5 of the slide core body 3 and ascends, so that the upper and lower portions of the taper portion 13 are separated. The slide core body 3 is forcibly slid to the left by the size of the differential width, the slide core tip 4 separates from the molded product 16, and is pulled out leftward by the size of the differential width of the upper and lower portions of the tapered portion 13. (Fig. 4).
【００１７】さらに可動成形金型７が下降してピン８が
バネ１１により元の状態である動作開始の位置とした
後、シリンダ１を作動させてスライドコア本体３を左方
向に摺動させ、スライドコア先端４が成形製品１６より
完全に引き抜かれた後、完成した成形製品１６を可動成
形金型７より取り出す（取り出し機構は図示せず）こと
により、成形の一工程が終了するのである（図５）。After the movable molding die 7 is further lowered and the pin 8 is returned to the original starting position by the spring 11, the cylinder 1 is operated to slide the slide core body 3 to the left. After the slide core tip 4 is completely pulled out from the molded product 16, the completed molded product 16 is taken out from the movable molding die 7 (a take-out mechanism is not shown), whereby one molding step is completed ( Figure 5).
【００１８】なお、カム部１４のテーパー部１３および
スライドコア本体３の傾斜部５は、直線でなく曲線ある
いは球面そしてその組合せにしてもよい。The taper portion 13 of the cam portion 14 and the inclined portion 5 of the slide core body 3 may be curved or spherical instead of a straight line, and a combination thereof.
【００１９】[0019]
【発明の効果】以上のように本発明によるスライドコア
付成形金型は、スライドコアの成形製品からの離脱を成
形金型の開閉駆動源にて行うことにより、シリンダの小
さな力でスライドコアを製品から無理なく完全に引き抜
くことができる。As described above, in the molding die with slide core according to the present invention, the slide core is removed from the molded product by the opening / closing drive source of the molding die, so that the slide core can be moved with a small force of the cylinder. It can be pulled out completely from the product without difficulty.
【００２０】すなわち小型かつ小容量のシリンダを使用
することが可能となり、金型費用が安くなる。That is, it becomes possible to use a small-sized and small-capacity cylinder, and the die cost is reduced.
【００２１】また金型の外形寸法を必要最小限にするこ
とができるため、必要最小限の成形能力を有する成形機
で成形することができ、さらに金型の取り扱いが容易に
なる。Further, since the outer dimension of the mold can be minimized, the mold can be molded by a molding machine having the necessary minimum molding capacity, and the mold can be easily handled.
【図１】本発明の一実施例におけるスライドコア付成形
金型の構成および動作を示す要部断面図FIG. 1 is a sectional view of an essential part showing the configuration and operation of a molding die with a slide core according to an embodiment of the present invention.
【図２】同実施例の次の一動作工程を示す要部断面図FIG. 2 is a sectional view of an essential part showing the next operation step of the embodiment.
【図３】同実施例のその次の一動作工程を示す要部断面
図FIG. 3 is a sectional view of an essential part showing the next operation step of the embodiment.
【図４】同実施例のその次の一動作工程を示す要部断面
図FIG. 4 is a sectional view of an essential part showing the next operation step of the embodiment.
【図５】同実施例のその次の一動作工程を示す要部断面
図FIG. 5 is a sectional view of an essential part showing the next operation step of the embodiment.
【図６】従来のスライドコア付成形金型の構成および主
要動作工程を示す要部断面図FIG. 6 is a cross-sectional view of a main part showing a configuration and a main operation process of a conventional molding die with a slide core.
１ シリンダ ２ ロッド ３ スライドコア本体 ４ スライドコア先端 ５ 傾斜部 ６ 凹部 ７ 可動成形金型 ８ ピン ９ 金型ホルダー １０ ストッパー １１ バネ １２ 固定成形金型 １３ テーパー部 １４ カム部 １５ 凹部 １６ 成形製品 1 Cylinder 2 Rod 3 Slide Core Main Body 4 Slide Core Tip 5 Inclined Part 6 Recess 7 Removable Mold 8 Pin 9 Mold Holder 10 Stopper 11 Spring 12 Fixed Mold 13 Tapered Part 14 Cam Part 15 Recess 16 16 Molded Product
Claims (1)
結合した昇降自在な金型ホルダーと、成形時に上記可動
成形金型内に先端部がはまり込むように上記金型ホルダ
ー上面に駆動源を介して摺動自在に取り付けられると共
に摺動面先端にテーパー面を設けたスライドコアと、上
記金型ホルダー内にバネを介して付勢状態で昇降自在に
はめ込まれると共に金型ホルダーから突出した先端部が
上記スライドコアの１次停止位置を規制するストッパー
となるピンと、上記可動成形金型に形成された成形凹部
と組み合わされる成形凹部を備えて上記金型ホルダーと
対向して配設された固定成形金型と、上記金型ホルダー
内に付勢状態で昇降自在にはめ込まれたピンの先端部と
当接する先端面の近傍に上記スライドコアの摺動面先端
に設けたテーパー面と当接するテーパー面を設けること
により先端部以外の径を細くし、この径を細くした部分
が上記スライドコアの最終停止位置を規制するように形
成されて上記固定成形金型に植設されたカムよりなるス
ライドコア付成形金型。1. A movable mold holder in which a movable mold having a molding recess is coupled to an upper surface, and a movable mold holder is driven on the upper surface of the mold holder so that a tip end fits into the movable mold during molding. Slide core that is slidably attached via a power source and has a tapered surface at the tip of the sliding surface, and is inserted into the mold holder via a spring so that it can be moved up and down in a biased state and protrudes from the mold holder. The pin has a pin that serves as a stopper for regulating the primary stop position of the slide core, and a molding recess that is combined with a molding recess formed in the movable molding die, and is arranged to face the mold holder. A fixed molding die and a taper surface provided at the tip of the sliding surface of the slide core in the vicinity of the tip surface that abuts the tip of a pin that is vertically inserted into the die holder in a biased state. By providing a taper surface that abuts with the taper surface, the diameter other than the tip portion is reduced, and the reduced diameter portion is formed so as to regulate the final stop position of the slide core and is implanted in the fixed molding die. Mold with slide core consisting of cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23372695A JP3180633B2 (en) | 1995-09-12 | 1995-09-12 | Mold with slide core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23372695A JP3180633B2 (en) | 1995-09-12 | 1995-09-12 | Mold with slide core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0976248A true JPH0976248A (en) | 1997-03-25 |
| JP3180633B2 JP3180633B2 (en) | 2001-06-25 |
Family
ID=16959615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23372695A Expired - Fee Related JP3180633B2 (en) | 1995-09-12 | 1995-09-12 | Mold with slide core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3180633B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116200A (en) * | 2017-06-08 | 2017-09-01 | 佛山市南海奔达模具有限公司 | Ejector retainner plate stopping means and its mould of application |
| CN109808110A (en) * | 2019-03-14 | 2019-05-28 | 杭州电子科技大学 | A kind of plastics manufacturing equipment |
| KR20200038010A (en) * | 2018-10-02 | 2020-04-10 | 신성몰드테크(주) | Device for changing cores for molding dies |
-
1995
- 1995-09-12 JP JP23372695A patent/JP3180633B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116200A (en) * | 2017-06-08 | 2017-09-01 | 佛山市南海奔达模具有限公司 | Ejector retainner plate stopping means and its mould of application |
| KR20200038010A (en) * | 2018-10-02 | 2020-04-10 | 신성몰드테크(주) | Device for changing cores for molding dies |
| CN109808110A (en) * | 2019-03-14 | 2019-05-28 | 杭州电子科技大学 | A kind of plastics manufacturing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3180633B2 (en) | 2001-06-25 |
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