JPS6110969Y2 - - Google Patents
Info
- Publication number
- JPS6110969Y2 JPS6110969Y2 JP10181280U JP10181280U JPS6110969Y2 JP S6110969 Y2 JPS6110969 Y2 JP S6110969Y2 JP 10181280 U JP10181280 U JP 10181280U JP 10181280 U JP10181280 U JP 10181280U JP S6110969 Y2 JPS6110969 Y2 JP S6110969Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molded product
- protrusion
- release device
- protruding
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
本考案は射出成型機等の成型方法において、成
型金型内にて賦型された成型品、特に蛇腹状のブ
ーツを金型より離型させる装置の改良に関するも
のである。[Detailed description of the invention] The present invention relates to an improvement of a device for releasing a molded product formed in a mold, especially a bellows-shaped boot, from the mold in a molding method such as an injection molding machine. be.
従来より蛇腹状のブーツ等のように中空部を有
する成型品の成型方法は一般に第１図に示す如
く、外金型１と中金型２との間に形成したキヤビ
テイ内に合成ゴム等を射出成型機等により充填し
て賦型している。賦型された成型品６の離型方法
として、第１図に示す型閉状態から型開きした後
中金型内に設けた突出し棒５を成型品６の突出し
側端部に設けた断面略コ字状の有底円筒部７の底
部に当接させ成型品６を突出す作用をさせると同
時に、突出し棒５が移動した後に生じた噴出口よ
り空気等の流体を噴出させ、成型品６と該成型品
が付着している中金型２面との間に流体を圧入す
る作用とによつて成型品６を中金型２の表面から
離型させている。 Conventionally, the molding method for molded products with hollow parts such as bellows-shaped boots generally involves filling synthetic rubber or the like into a cavity formed between an outer mold 1 and an inner mold 2, as shown in FIG. It is filled and shaped using an injection molding machine or the like. As a method for releasing the molded product 6, as shown in FIG. The molded product 6 is brought into contact with the bottom of the U-shaped bottomed cylindrical portion 7, and at the same time, fluid such as air is ejected from the spout formed after the ejector rod 5 moves, and the molded product 6 is ejected. The molded product 6 is released from the surface of the middle mold 2 by the action of pressurizing fluid between the inner mold 2 and the surface of the inner mold 2 to which the molded product is attached.
しかしながらこのような従来の離型方法では突
出し棒５と当接する成型品６の端部に有底円筒部
７を設けているための金型構造が複雑となり、ま
た離型後は有底円筒部７が不要となるためこれを
取除く工程が必要であり、且つ該部に余分の材料
を充填するためきわめて不経済である。 However, in such a conventional mold release method, the mold structure is complicated because the bottomed cylindrical part 7 is provided at the end of the molded product 6 that comes into contact with the protruding rod 5, and after mold release, the bottomed cylindrical part Since 7 is no longer needed, a step is required to remove it, and additionally, the part is filled with extra material, which is extremely uneconomical.
本考案の目的はこのような従来の欠点を排除し
た成型品の離型装置を提供することである。 The object of the present invention is to provide a mold release device for molded products that eliminates such conventional drawbacks.
本考案の実施例を第２図に示す。外金型１と中
金型２と該中金型２の一部を形成する突出し棒５
に設けた突状部４との間により形成したキヤビテ
イ内に射出成型機等により合成ゴム等が充填され
賦型されている。前記中金型２の一部は第２図に
示すように成型品６の突出し方向側（図面におい
て左側）の壁部、実施例では第一壁部３１と当接
する突出部４を有する突出し棒５により形成され
ている。賦型された成型品６の離型は、先づ第２
図に示す型閉状態から型開きをなし、次に中金型
２内に設けた突出し棒５を成型品６の突出し方向
側（図面において左側）に移動させると同時に突
出し棒５に設けた突状部４と前記中金型２との間
に生じた噴出口より空気等の流体を、前記成型品
６の内周面に噴出させつつ、前記突状部４を前記
成型品６の第一壁部３１に当接させ前記成型品６
を突出し前記中金型２の表面から離型させる。 An embodiment of the present invention is shown in FIG. An outer mold 1, an inner mold 2, and a protruding rod 5 forming a part of the inner mold 2
Synthetic rubber or the like is filled and shaped using an injection molding machine or the like into the cavity formed between the protruding portion 4 provided in the cylindrical body. As shown in FIG. 2, a part of the middle mold 2 is a protrusion rod having a protrusion 4 that comes into contact with a wall on the side in the protrusion direction of the molded product 6 (on the left side in the drawing), and in the embodiment, a first wall 31. 5. The molded product 6 is released from the mold first by the second step.
The mold is opened from the mold closed state shown in the figure, and then the ejecting rod 5 provided in the middle mold 2 is moved to the ejecting direction side of the molded product 6 (left side in the drawing). While jetting fluid such as air onto the inner circumferential surface of the molded product 6 from the jet port formed between the shaped portion 4 and the middle mold 2, the protrusion 4 is inserted into the first molded product 6. The molded product 6 is brought into contact with the wall portion 31
is projected and released from the surface of the middle mold 2.
尚、実施例においては、突出し棒５の突状部４
と当接する部位を、成型品６の突出し方向側の第
一壁部３１に設けたが、本考案はこれに限定する
ものではなく、第二壁部３２やブーツ形状によつ
ては、他の壁部に設けてもよい。 In addition, in the embodiment, the protruding portion 4 of the protruding rod 5
Although the part that comes into contact with is provided on the first wall part 31 on the protruding direction side of the molded product 6, the present invention is not limited to this, and depending on the second wall part 32 and the shape of the boot, other parts may be provided. It may be provided on the wall.
上述の如く本考案の離型装置は、中金型の一部
を形成する突出し棒に設けた突状部を、成型品の
突出し方向側の任意に当接させて離型させること
により、従来離型のために必要としていた有底円
筒部を不要としたことによつて、材料の節減が計
ると共に、前記有底円筒部を取除く工程を減し、
金型製作を容易としたものである。 As described above, the mold release device of the present invention is different from the conventional mold release device by bringing the protrusion provided on the ejection rod forming a part of the inner mold into contact with any part of the molded product in the ejection direction and releasing the mold. By eliminating the need for the bottomed cylindrical part that was required for mold release, materials can be saved, and the process of removing the bottomed cylindrical part can be reduced.
This simplifies mold production.
第１図は従来の成型品の離型装置の断面図、第
２図は本考案の離型装置の断面図である。
１……外金型、２……中金型、３１……第一壁
部、３２……第二壁部、４……突状部、５……突
出し棒、６……成型品。
FIG. 1 is a sectional view of a conventional mold release device for molded products, and FIG. 2 is a sectional view of the mold release device of the present invention. DESCRIPTION OF SYMBOLS 1...Outer mold, 2...Middle mold, 31...First wall part, 32...Second wall part, 4...Protrusion part, 5...Protrusion rod, 6...Molded product.
Claims (1)
離型用の突出し用並びに流体噴出用の機構を有す
る成型品の離型装置において、成型品の突出し方
向側の壁部と当接する突状部を有する突出し棒に
て前記中金型の一部を形成し、型開き後前記中金
型と前記成型品との間に流体を噴出させ前記突状
部により前記成型品を突出して離型させることを
特徴とする成型品の離型装置。 In a mold release device for a molded product, which includes an outer mold and an inner mold, and has a mechanism for ejecting and ejecting fluid for releasing the molded product in the inner mold, a wall portion on the side in the direction in which the molded product is ejected. A part of the middle mold is formed by a protruding rod having a protrusion that comes into contact with the mold, and after the mold is opened, fluid is ejected between the middle mold and the molded product, and the protrusion causes the molded product to be A mold release device for a molded product, characterized in that it releases the mold by protruding it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10181280U JPS6110969Y2 (en) | 1980-07-18 | 1980-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10181280U JPS6110969Y2 (en) | 1980-07-18 | 1980-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5724027U JPS5724027U (en) | 1982-02-08 |
| JPS6110969Y2 true JPS6110969Y2 (en) | 1986-04-08 |
Family
ID=29463250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10181280U Expired JPS6110969Y2 (en) | 1980-07-18 | 1980-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110969Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638554B2 (en) * | 1987-07-15 | 1994-05-18 | 株式会社日立製作所 | Multilayer printed circuit board |
| JPH06190878A (en) * | 1992-12-24 | 1994-07-12 | Toyo Tire & Rubber Co Ltd | Injection molding of resin boot and mold therefor |
-
1980
- 1980-07-18 JP JP10181280U patent/JPS6110969Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5724027U (en) | 1982-02-08 |
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