JPH0436249Y2 - - Google Patents
Info
- Publication number
- JPH0436249Y2 JPH0436249Y2 JP13352386U JP13352386U JPH0436249Y2 JP H0436249 Y2 JPH0436249 Y2 JP H0436249Y2 JP 13352386 U JP13352386 U JP 13352386U JP 13352386 U JP13352386 U JP 13352386U JP H0436249 Y2 JPH0436249 Y2 JP H0436249Y2
- Authority
- JP
- Japan
- Prior art keywords
- cavity block
- lower mold
- ejector pin
- mold cavity
- mold
- 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.)
- Expired
Links
- 238000000465 moulding Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 208000015943 Coeliac disease Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、自動車用防振ゴム等の成形品を成形
するための金型装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a mold device for molding molded products such as anti-vibration rubber for automobiles.
ゴムの成形品、特に自動車のマフラーハンガー
やゴムブツシユ等の穴あきゴム成形品は従来から
第２図に示すような金型装置を用いて行われてい
た。
Conventionally, rubber molded products, particularly perforated rubber molded products such as automobile muffler hangers and rubber bushings, have been produced using a molding apparatus as shown in FIG.
即ち、型合わせ時に内部に穴あきゴム成形品に
対応するキヤビテイ３を形成する上型キヤビテイ
ブロツク１及び下型キヤビテイブロツク２の各内
部に、穴あきゴム成形品の穴に相当する上中子４
及び下中子５を設け、上中子４はボルト６で上型
キヤビテイブロツク１に固定し、下中子６は下型
キヤビテイ２の円錐孔内に支持されエジエクター
ピン７によりゴム成形品と一緒に突き出されるよ
うになつている。 That is, in the inside of each of the upper mold cavity block 1 and the lower mold cavity block 2, which form the cavity 3 corresponding to the perforated rubber molded product, during mold matching, there is an upper middle cavity corresponding to the hole of the perforated rubber molded product. Child 4
and a lower core 5 are provided, the upper core 4 is fixed to the upper mold cavity block 1 with bolts 6, the lower core 6 is supported in the conical hole of the lower mold cavity 2, and the rubber molded product is formed by an ejector pin 7. It's starting to be pushed out along with it.
エジエクターピン７は成形品毎に少なくとも１
個必要であり、下型キヤビテイブロツク２下面に
固定した下型プレート９を貫通して下型スペース
ブロツク１０により下型プレート９と下可動熱板
１１の間に形成した空間に伸びており、その下端
は１枚のエジエクターピンプレート８に固定して
ある。 At least one ejector pin 7 is provided for each molded product.
It passes through the lower mold plate 9 fixed to the lower surface of the lower mold cavity block 2 and extends into the space formed between the lower mold plate 9 and the lower movable hot plate 11 by the lower mold space block 10. Its lower end is fixed to one ejector pin plate 8.
しかし、このような従来の金型装置では、成形
品を金型から離型するために下型キヤビテイブロ
ツク２と一緒に下型プレート９、エジエクターピ
ン７、エジエクタープレート８及び場合によつて
は下型スペースブロツク１０を下可動熱板１１か
ら型分離機に取り出し、型分離機でエジエクター
プレート８を押し上げることによりエジエクター
ピン７を突上げて成形品を取り出していた。 However, in such a conventional mold device, in order to release the molded product from the mold, the lower mold cavity block 2 as well as the lower mold plate 9, ejector pin 7, ejector plate 8, and in some cases In the end, the lower mold space block 10 was taken out from the lower movable hot plate 11 to a mold separator, and the mold separator pushed up the ejector plate 8 to push up the ejector pin 7 and take out the molded product.
この為、下型プレート９も冷えてしまうので、
次の成形までに再加熱する必要があり熱エネルギ
ーのロスが大きくなると共に加硫成形のサイクル
も遅くなる欠点があつた。更に、下型プレート９
が下型キヤビテイブロツク２に固定してあるの
で、類似成形品を成形する場合でもこれら全体を
交換する必要があり、下型プレート９の兼用がで
きず金型装置の製作コストが高くなつていた。 For this reason, the lower die plate 9 also gets cold.
The disadvantage is that reheating is necessary before the next molding, which increases the loss of thermal energy and slows down the vulcanization molding cycle. Furthermore, the lower mold plate 9
is fixed to the lower mold cavity block 2, so even when molding a similar molded product, it is necessary to replace the entire assembly, and the lower mold plate 9 cannot be used for the same purpose, increasing the manufacturing cost of the mold device. Ta.
本考案は、かかる事情に鑑み、熱エネルギーロ
スを低減すると共に成形サイクルを早めることが
でき、構造が簡単で安価な成形用金型装置を提供
することを目的とする。
In view of the above circumstances, an object of the present invention is to provide a molding die device that is simple in structure and inexpensive, capable of reducing thermal energy loss and speeding up the molding cycle.
本考案の成形用金型装置は、型合わせ時に内部
に成形品に対応するキヤビテイを形成する上型キ
ヤビテイブロツク及び下型キヤビテイブロツク
と、下型キヤビテイブロツクの下面から突出して
上下移動可能に保持されキヤビテイ内の成形品を
突上げるエジエクターピンと、エジエクターピン
の下型キヤビテイブロツク下面からの突出部分を
収納できる深さで少なくとも一側面にまで貫通し
た収納溝部を有し下型キヤビテイブロツクと分離
可能な下型プレートとを具えたことを特徴とす
る。
The mold device of the present invention has an upper cavity block and a lower cavity block that form a cavity corresponding to the molded product inside when molds are aligned, and the lower cavity block protrudes from the bottom surface and is movable up and down. The lower mold cavity has an ejector pin that is held by the lower mold cavity to push up the molded product in the cavity, and a storage groove that penetrates at least one side and is deep enough to accommodate the ejector pin that protrudes from the bottom surface of the lower mold cavity block. It is characterized by comprising a biting block and a separable lower die plate.
上記エジエクターピンの上端部が成形品の穴に
相当する中子の少なくとも一部となるように構成
する、例えばエジエクターピンと下中子を一体に
形成することにより、成形品離型時の下中子の脱
離及びその後の再装着を不要にすることが可能で
ある。 By configuring the ejector pin so that the upper end thereof becomes at least a part of the core corresponding to the hole of the molded product, for example, by integrally forming the ejector pin and the lower core, it is possible to It is possible to eliminate the need for removing the core and then reattaching it.
本考案の金型装置の一具体例を第１図により説
明する。
A specific example of the mold apparatus of the present invention will be explained with reference to FIG.
上型キヤビテイブロツク１と下型キヤビテイブ
ロツク２は従来と同様に型合わせ時に内部に穴あ
けゴム成形品に対応するキヤビテイ３を形成する
ようになつていて、スプルー及びランナー等のゴ
ム流路１２を通つてゴム原料をキヤビテイ３内に
注入できる。また、上型キヤビテイブロツク１に
は従来と同じ上中子４がボルト６により合わせ面
と面一に固定してある。 The upper mold cavity block 1 and the lower mold cavity block 2 are designed to form a cavity 3 that corresponds to the rubber molded product by drilling holes inside them when the molds are matched, as in the past, and a rubber passage 12 for sprues, runners, etc. The rubber raw material can be injected into the cavity 3 through the tube. Further, an upper core 4, which is the same as the conventional one, is fixed to the upper mold cavity block 1 by bolts 6 so as to be flush with the mating surface.
一方、下型キヤビテイブロツク２は、その内部
に形成した円錐孔１３に係止されたエジエクター
ピン１４が下型キヤビテイブロツク２の下面から
突出して設けてある。このエジエクターピン１４
の上端部には上中子４と対向する下中子部１５が
一体的に形成され、下端部にはフランジ状に突出
した係合部１６が形成してある。 On the other hand, the lower mold cavity block 2 is provided with an ejector pin 14 that projects from the lower surface of the lower mold cavity block 2 and is engaged with a conical hole 13 formed therein. This ejector pin 14
A lower core part 15 facing the upper core 4 is integrally formed at the upper end, and an engaging part 16 projecting like a flange is formed at the lower end.
下側キヤビテイブロツク２の下面に当接してこ
れと別体に形成した下型プレート１７が互いに分
離可能に設置してある。下型プレート１７の内部
のエジエクターピン１４に対応する位置から一側
面に貫通して収納溝部１８が形成してあり、下側
プレート１７上に載置した下側キヤビテイブロツ
ク２の下面から突出したエジエクターピン１４を
収納溝部１８に収納でき且つ収納溝部１８の開口
方向に沿つてエジエクターピン１４を下キヤビテ
イブロツク２と一緒に取り外しできるようになつ
ている。 A lower die plate 17, which is formed separately from the lower cavity block 2 and comes into contact with the lower surface thereof, is installed so as to be separable from each other. A storage groove 18 is formed penetrating one side of the lower mold plate 17 from a position corresponding to the ejector pin 14 inside the lower mold plate 17, and protrudes from the lower surface of the lower cavity block 2 placed on the lower plate 17. The ejector pin 14 can be stored in the storage groove 18, and the ejector pin 14 can be removed together with the lower cavity lock 2 along the opening direction of the storage groove 18.
尚、この実施例では、下中子はエジエクターピ
ンと一体に形成してあるが、これらを別々に形成
してもよく、その場合もエジエクターピンは下型
キヤビテイブロツクに円錐孔等で係止され且つ上
方向に突上げ可能に設けることは無論である。 In this embodiment, the lower core is formed integrally with the ejector pin, but they may be formed separately, and even in that case, the ejector pin is connected to the lower mold cavity block through a conical hole or the like. Needless to say, it is provided so that it can be stopped and pushed upward.
加硫成形の終了後、下可動熱板１１を下降させ
ることにより下型キヤビテイブロツク２を下降さ
せて上型キヤビテイブロツク１から分離させ、下
型キヤビテイブロツク２を下型プレート１７の収
納溝部１８の開口方向に沿つて横移動させてエジ
エクターピン１４を下型キヤビテイブロツク２と
一緒に取り外す。従つて、上下方向の移動ストロ
ークを最小にして、下型キヤビテイブロツク２の
取り外しができる。
After completion of vulcanization molding, the lower movable hot plate 11 is lowered to lower the lower mold cavity block 2 and separate it from the upper mold cavity block 1, and the lower mold cavity block 2 is stored in the lower mold plate 17. The ejector pin 14 is removed together with the lower mold cavity block 2 by moving it laterally along the opening direction of the groove 18. Therefore, the lower mold cavity block 2 can be removed while minimizing the vertical movement stroke.
取り外した下型キヤビテイブロツク２をレール
等の移送手段により型分離機に移して装着し、型
分離機の突上げ装置で各々のエジエクターピン１
４を直接突上げて成形品を離型する。突上げ後の
エジエクターピン１４は係合部１６に係合した突
上げ装置により元の位置に引き戻される。下型プ
レート１７上には離型後の又は別の、同型若しく
は類似型の下型キヤビテイブロツク２を載置す
る。 The removed lower mold cavity block 2 is transferred to the mold separator using a transfer means such as a rail and installed, and the ejector pins 1 are removed using the lifting device of the mold separator.
4 is pushed up directly to release the molded product. After being pushed up, the ejector pin 14 is pulled back to its original position by the pushing up device that engages with the engaging portion 16. On the lower mold plate 17, a lower mold cavity block 2 of the same or similar type is placed after being released from the mold.
本考案によれば、下型キヤビテイブロツクだけ
を下型プレートの収納溝部１８の開口方向に沿つ
てエジエクターピンと一緒に取り外し、下型プレ
ートは下可動熱板に固定しておくので、下型プレ
ートを冷やすことなく次の成形作業を行うことが
でき、熱エネルギーのロスを低減できる。
According to the present invention, only the lower mold cavity block is removed along with the ejector pin along the opening direction of the storage groove 18 of the lower mold plate, and the lower mold plate is fixed to the lower movable heating plate, so that the lower mold The next molding operation can be performed without cooling the plate, reducing thermal energy loss.
また、下型プレートの取り外しが不要なので成
形サイクルを早めることができ、特に第１図に示
すようにエジエクターピンと下中子とを一体に形
成すれば、離型の際に下中子の脱離がなく作業性
が一層向上する。 In addition, since it is not necessary to remove the lower die plate, the molding cycle can be accelerated. In particular, if the ejector pin and the lower core are integrally formed as shown in Figure 1, the lower core can be removed during demolding. There is no separation and work efficiency is further improved.
更に、本考案の金型装置は類似成形品について
は同じ下型プレートを利用できるので、下型キヤ
ビテイブロツクの構造が簡単で安価になる利点が
ある。 Furthermore, since the mold apparatus of the present invention can use the same lower mold plate for similar molded products, there is an advantage that the structure of the lower mold cavity block is simple and inexpensive.
第１図は本考案の金型装置の断面図であり、第
２図は従来の金型装置の断面図である。
１……上型キヤビテイブロツク、２……下型キ
ヤビテイブロツク、４……上中子、５……下中
子、７，１４……エジエクターピン、９，１７…
…下型プレート、１０……下型スペースブロツ
ク、１５……下中子部、１６……係合部、１８…
…収納溝部。
FIG. 1 is a cross-sectional view of a mold apparatus according to the present invention, and FIG. 2 is a cross-sectional view of a conventional mold apparatus. 1... Upper cavity block, 2... Lower cavity block, 4... Upper core, 5... Lower core, 7, 14... Ejector pin, 9, 17...
...Lower die plate, 10...Lower die space block, 15...Lower core part, 16...Engaging part, 18...
...Storage groove.
Claims (1)
テイを形成する上型キヤビテイブロツク及び下
型キヤビテイブロツクと、下型キヤビテイブロ
ツクの下面から突出して上下移動可能に保持さ
れキヤビテイ内の成形品を突上げるエジエクタ
ーピンと、エジエクターピンの下型キヤビテイ
ブロツク下面からの突出部分を収納できる深さ
で少なくとも一側面にまで貫通した収納溝部を
有し下型キヤビテイブロツクと分離可能な下型
プレートとを具えたことを特徴とする成形用金
型装置。 (2) 上記エジエクターピンの上端部が成形品の穴
に相当する中子の少なくとも一部を構成するこ
とを特徴とする、実用新案登録請求の範囲(1)項
記載の成形用金型装置。[Scope of Claim for Utility Model Registration] (1) An upper mold cavity block and a lower mold cavity block that form a cavity corresponding to the molded product inside during mold matching, and an upper mold cavity block that protrudes from the lower surface of the lower mold cavity block and moves up and down. The lower mold has an ejector pin that can be held so that it can push up the molded product in the cavity, and a storage groove that penetrates at least one side to a depth that can accommodate the ejector pin that protrudes from the bottom surface of the lower mold cavity block. A molding device characterized by comprising a cavity block and a separable lower mold plate. (2) A mold device for molding according to claim (1) of the utility model registration claim, wherein the upper end of the ejector pin constitutes at least a part of a core corresponding to the hole of the molded product. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13352386U JPH0436249Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13352386U JPH0436249Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6339514U JPS6339514U (en) | 1988-03-14 |
| JPH0436249Y2 true JPH0436249Y2 (en) | 1992-08-27 |
Family
ID=31033924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13352386U Expired JPH0436249Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436249Y2 (en) |
-
1986
- 1986-08-29 JP JP13352386U patent/JPH0436249Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6339514U (en) | 1988-03-14 |
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