JPS635847Y2 - - Google Patents
Info
- Publication number
- JPS635847Y2 JPS635847Y2 JP1978142781U JP14278178U JPS635847Y2 JP S635847 Y2 JPS635847 Y2 JP S635847Y2 JP 1978142781 U JP1978142781 U JP 1978142781U JP 14278178 U JP14278178 U JP 14278178U JP S635847 Y2 JPS635847 Y2 JP S635847Y2
- Authority
- JP
- Japan
- Prior art keywords
- space
- recess
- mold
- bolt
- rubber
- 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
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
本考案は例えばエンジンのシリンダヘツドとシ
リンダブロツクとを互に結着すべく使用されるボ
ルトの中間部外周に、オイルシール用或は防振用
としてゴム等の焼付部を形成すべく使用される焼
付用金型に関する。[Detailed description of the invention] The present invention provides a sewn part of rubber or the like for oil sealing or vibration isolation on the outer periphery of the middle part of a bolt used to connect the cylinder head and cylinder block of an engine together. The present invention relates to a baking mold used to form a mold.
従来この種金型として、互に開閉自在の上型と
下型との合せ面にボルトその他のワークに略適合
する凹窪と、その外周の焼付部用の空間とを備え
ると共に該空間内を注入口を介して外部に連通
し、かくて該注入口を介してゴム等の原料を注入
して該空間内にその焼付部を作るようにした式の
ものは知られるが、この場合該ボルトその他のワ
ークはその寸法精度に多少ともばらつきが存する
ため、これを該凹窪内に収めたときその外周には
多少とも隙間を生じ勝ちであり、かくて前記した
原料の注入によればこれが該空間内から該隙間内
に流出してその端部近傍の例えば座面部分に迄導
かれ、該部分にもその被膜が形成されるもので、
これは次に除去するを要し、面倒であるを免れな
い。 Conventionally, this type of mold has been provided with a recess on the mating surface of an upper mold and a lower mold that can be opened and closed to each other to fit a bolt or other workpiece, and a space on the outer periphery of the recess for a baking part. A type is known in which a material such as rubber is injected into the space through the injection port to communicate with the outside, and a baked part is created in the space, but in this case, the bolt Other workpieces have some variation in their dimensional accuracy, so when the workpiece is placed in the recess, there is likely to be some gap around its outer periphery. It flows out from inside the space into the gap and is guided to the seat near the end, for example, and the coating is also formed on that part.
This then requires removal, which can be a pain.
この状態は例えば第２図に示す通りであり、ボ
ルトその他のワークａはその端部近傍の例えば座
面部分にも鋳バリｄを伴つてその外周にゴム等の
被膜ｃを生ずるもので、そのまゝでは該被膜ｃは
例えばボルト孔の内径とせり合つてオイル漏れを
誘発し勝ちであり、かくてこの余剰の被膜ｃは次
で除去するを要し、作業が面倒であるを免れな
い。 This state is as shown in Fig. 2, for example, where a bolt or other workpiece a has cast burrs d near its end, for example on the seat surface, and a coating c of rubber or the like is formed on its outer periphery. However, the coating c tends to cause oil leakage by coming into contact with the inner diameter of the bolt hole, for example, and the excess coating c must be removed in the next step, which is inevitably a troublesome operation.
本考案はかゝる不都合のない金型を得ることを
その目的としたもので、互に開閉自在の上型１と
下型２との合せ面に、ボルトその他のワークａに
略適合する形状の凹窪３と、その外周の焼付部ｂ
用の空間４とを備えると共に該空間４内を注入口
５を介して外部に連通させる式のものにおいて、
該空間４の両外側に該凹窪３を囲繞する各環状の
凹溝６を備えて成る。 The purpose of the present invention is to obtain a mold free of such inconveniences, and the mating surfaces of the upper mold 1 and lower mold 2, which can be opened and closed mutually, have a shape that approximately fits a bolt or other workpiece a. The concave part 3 and the baked part b on its outer periphery
In a type that includes a space 4 for use and communicates the inside of the space 4 with the outside via an inlet 5,
Annular grooves 6 surrounding the recess 3 are provided on both outer sides of the space 4.
第１図はその１例を示すもので、該ワークａを
エンジン用のボルトとし、ゴム等の焼付部ｂをそ
の中間部の外周に形成すべくしたが、この場合凹
溝６は空間４の一側と他側とに夫々相平行する複
数本、例えば各３本に並設して各ラビリシス溝を
作るようにした。 FIG. 1 shows one example of this. The workpiece a is a bolt for an engine, and a seizing part b of rubber or the like is formed on the outer periphery of the intermediate part. In this case, the groove 6 is in the space 4. Each labyrinth groove is formed by arranging a plurality of parallel grooves, for example, three grooves, parallel to each other on one side and the other side.
その作動を説明するに、上型１と下型２とを互
に閉じた状態から、次で注入口５を介してゴム或
はプラスチツク等の原料を注入するもので、かく
て凹窪３内のボルトその他のワークａはその中間
部外周の空間４内に該原料を導かれて該部に焼付
部ｂが得られる。かゝる作動に際し該空間４内の
ゴム等の原料はその両外側の各隙間内に進入し勝
ちであり、この場合その両外側の各凹溝６はこの
進入する余剰分を吸収し、かくて該ゴム等が該隙
間内を該ワークａの端部近傍迄導かれることによ
る前記した不都合が解消される。 To explain its operation, after the upper mold 1 and lower mold 2 are mutually closed, raw materials such as rubber or plastic are injected through the injection port 5, and the inside of the recess 3 is thus injected. The raw material is introduced into the space 4 on the outer periphery of the intermediate portion of the bolt or other workpiece a, and a sewn portion b is obtained in this portion. During such an operation, raw materials such as rubber in the space 4 tend to enter into the gaps on both sides of the space 4, and in this case, the grooves 6 on both sides absorb the excess amount that enters. This eliminates the above-mentioned inconvenience caused by the rubber etc. being guided through the gap to near the end of the workpiece a.
このように本考案によるときは焼付部ｂ用の空
間４の両外側に各環状の凹溝６を形成して該空間
４内からその両外側の各隙間内に導かれるゴム等
をこれに吸収されるもので、該ゴム等が該隙間内
をその端部近傍迄導かれる前記した従来のものの
不都合を無くし得られる効果を有する。 In this way, according to the present invention, annular grooves 6 are formed on both sides of the space 4 for the baking part b, and rubber etc. guided from inside the space 4 into the gaps on both sides of the space 4 are absorbed. This has the effect of eliminating the above-mentioned disadvantages of the conventional method in which the rubber etc. are guided within the gap to the vicinity of the end thereof.
第１図は本案金型の１例の截断側面図、第２図
は従来例を説明する第１図における−線の断
面図である。
１……上型、２……下型、ａ……ワーク、３…
…凹窪、ｂ……焼付部、４……空間、５……注入
口、６……凹溝。
FIG. 1 is a cutaway side view of one example of the mold according to the present invention, and FIG. 2 is a sectional view taken along the line - in FIG. 1 for explaining a conventional example. 1... Upper die, 2... Lower die, a... Work, 3...
...concave, b...baked portion, 4...space, 5...inlet, 6...concave groove.
Claims (1)
ボルトその他のワークａに略適合する形状の凹窪
３と、その外周の焼付部ｂ用の空間４とを備える
と共に該空間４内を注入口５を介して外部に連通
させる式のものにおいて、該空間４の両外側に該
凹窪３を囲繞する各環状の凹溝６を備えて成るゴ
ム等の焼付用金型。 On the mating surface of the upper mold 1 and lower mold 2, which can be opened and closed mutually,
A recess 3 having a shape that approximately fits a bolt or other workpiece a, and a space 4 for a burned part b on the outer periphery of the recess 3, and a type in which the inside of the space 4 is communicated with the outside via an injection port 5, A baking mold made of rubber or the like, comprising annular grooves 6 surrounding the recess 3 on both sides of the space 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978142781U JPS635847Y2 (en) | 1978-10-19 | 1978-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978142781U JPS635847Y2 (en) | 1978-10-19 | 1978-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5560320U JPS5560320U (en) | 1980-04-24 |
| JPS635847Y2 true JPS635847Y2 (en) | 1988-02-18 |
Family
ID=29119846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978142781U Expired JPS635847Y2 (en) | 1978-10-19 | 1978-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635847Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541768C2 (en) * | 1985-11-26 | 1995-06-22 | Wolf Woco & Co Franz J | Process for the production of molded plastic parts with molded or molded rubber-elastic parts |
-
1978
- 1978-10-19 JP JP1978142781U patent/JPS635847Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5560320U (en) | 1980-04-24 |
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