JPS6145946Y2 - - Google Patents
Info
- Publication number
- JPS6145946Y2 JPS6145946Y2 JP13826680U JP13826680U JPS6145946Y2 JP S6145946 Y2 JPS6145946 Y2 JP S6145946Y2 JP 13826680 U JP13826680 U JP 13826680U JP 13826680 U JP13826680 U JP 13826680U JP S6145946 Y2 JPS6145946 Y2 JP S6145946Y2
- Authority
- JP
- Japan
- Prior art keywords
- punch
- mandrel
- die set
- die
- small diameter
- 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
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000005242 forging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Forging (AREA)
Description
【考案の詳細な説明】
本考案は前後押し出し鍛造金型装置に関するも
のである。[Detailed Description of the Invention] The present invention relates to a forging die device with front and back extrusion.
従来、軸部材のような製品aを鍛造する場合第
1図に示すように素材bを前後方押出行程で
()に示す形状に成形し、次に反転し据込み行
程で製品aに成形していた。このように数工程が
必要であつて、行程毎に焼鈍、潤滑および成形用
金型が必要になり、生産に時間がかかつていた。 Conventionally, when forging product a such as a shaft member, as shown in Figure 1, material b is formed into the shape shown in parentheses in a forward and backward extrusion process, then reversed and formed into product a in an upsetting process. was. As described above, several steps are required, and each step requires annealing, lubrication, and a mold for molding, making production time-consuming.
本考案は上記の事情に鑑みなされたものであつ
て、その目的とするところは従来のように数工程
を要することなく一工程で前後押し出し成形が可
能な鍛造金型装置を提供し、生産性の向上を図る
ことにある。 The present invention was devised in view of the above circumstances, and its purpose is to provide a forging die device that can perform front and back extrusion forming in one step instead of requiring several steps as in the past, thereby increasing productivity. The aim is to improve the
以下、本考案を第2図以下を参照して説明す
る。 Hereinafter, the present invention will be explained with reference to FIG. 2 and subsequent figures.
図面中1はスライドであり、スライド1には上
ダイセツト2が固設してあり、この上ダイセツト
2にホルダ3を介してシユリンクリング4が設け
てあり、このシユリンクリング4にパンチ5が保
持されている。 In the drawing, reference numeral 1 denotes a slide, and an upper die set 2 is fixed to the slide 1. A shrink ring 4 is provided to the upper die set 2 via a holder 3, and a punch 5 is attached to the shrink ring 4. Retained.
パンチ5には小径孔部6と大径孔部7とが同心
に形成してあり、またパンチ5の先端面は内側に
圧縮荷重となるよう角度θが約5度のテーパがつ
けてある。パンチ5内には上部マンドレル19が
摺動可能に挿入してある。 The punch 5 has a small diameter hole 6 and a large diameter hole 7 formed concentrically, and the tip surface of the punch 5 is tapered at an angle θ of about 5 degrees so as to apply a compressive load to the inside. An upper mandrel 19 is slidably inserted into the punch 5.
図面中8はボルスタであり、ボルスタ8には下
ダイセツト9が固設してあり、下ダイセツト9に
ダイホルダ10を介してダイホルダ11が設けて
ある。ダイホルダ11において、パンチ5のダイ
部材12に入り込む部分Aのパンチ5とダイ部材
12との隙間は極力小さくしてあり、パンチ5が
内圧がかかつたときダイ部材12がシユリンクリ
ングの役目をしてパンチ5を補強する。 8 in the drawing is a bolster, a lower die set 9 is fixed to the bolster 8, and a die holder 11 is provided to the lower die set 9 via a die holder 10. In the die holder 11, the gap between the punch 5 and the die member 12 at the part A where the punch 5 enters the die member 12 is made as small as possible, so that when internal pressure is applied to the punch 5, the die member 12 acts as a shrink ring. to reinforce punch 5.
ダイ部材12にはパンチ5が挿入される挿入孔
部13とこの挿入孔部13より小径の小径孔部1
4とが形成してある。この小径孔部14内には下
部マンドレル15とノツクアウト用チユーブ部材
17とが挿入してあり、この下部マンドレル15
は下ダイヤセツト9に固定されたプレート16に
取付けてあり、また、ノツクアウト用チユーブ部
材17は下端において下部マンドレル15に対し
て摺動可能になされたブロツク18に接してい
る。 The die member 12 has an insertion hole 13 into which the punch 5 is inserted, and a small diameter hole 1 having a smaller diameter than the insertion hole 13.
4 is formed. A lower mandrel 15 and a knockout tube member 17 are inserted into the small diameter hole 14.
is attached to a plate 16 fixed to the lower diamond set 9, and the knockout tube member 17 abuts at its lower end a block 18 which is slidable relative to the lower mandrel 15.
図面中20は上部ノツクアウトピンであり、こ
の上部ノツクアウトピン20は前記上部マンドレ
ル19の上端面に当接している。 In the drawing, reference numeral 20 denotes an upper knockout pin, and this upper knockout pin 20 is in contact with the upper end surface of the upper mandrel 19.
また図面中21は下部ノツクアウトピンであ
り、下部ノツクアウトピン21は前記ブロツク1
8の下面に当接している。 In addition, 21 in the drawing is a lower knockout pin, and the lower knockout pin 21 is connected to the block 1.
It is in contact with the lower surface of 8.
しかして、ダイ部材12内に第3図に示す素
材23を挿入し、スライド1を下降しパンチ5と
上部マンドレル19とダイホルダ11とで素材2
3を前後方押し出しで鍛造し、スライド1を上昇
し、上、下部ノツクアウトピン20,21を作動
して成形品を金型装置より外し第3図に示す製
品23′を得る。 Then, insert the material 23 shown in FIG.
3 is forged by front and back extrusion, the slide 1 is raised, and the upper and lower knockout pins 20, 21 are actuated to remove the molded product from the mold apparatus, yielding a product 23' shown in FIG.
素材23の前後方押し出し行程時、パンチ5の
先端がテーパ部であるので、このパンチ5は素材
23により圧縮荷重を受けるし、パンチ5のダイ
部材12に入り込む部分Aのパンチ5とダイ部材
12との隙間が小さいのでパンチ5に素材23に
より内圧がかかつたときダイ部材12がリユリン
クリングの役目をしてパンチ5を補強することに
より、このパンチ5は内圧がかかつても早期には
破損しない。 During the forward and backward extrusion process of the material 23, since the tip of the punch 5 has a tapered part, the punch 5 receives a compressive load from the material 23, and the punch 5 and the die member 12 in the part A of the punch 5 that enters the die member 12. Since the gap between the punch 5 and the material 23 is small, when internal pressure is applied to the punch 5 by the material 23, the die member 12 acts as a re-linking ring and reinforces the punch 5. Not damaged.
本考案は以上詳述したようになり、スライド1
に設けられた上ダイセツト2にシユリンクリング
4を介して取付けられたパンチ5に小径孔部6と
大径孔部7とを設けると共にパンチ5の端面を外
方に傾斜するテーパ部に形成し、パンチ5内に上
部ノツクアウトピン20により摺動する上部マン
ドレル19を挿入し、ボルスタ8に設けられた下
ダイセツト9に取付けられたダイ部材12にパン
チ5が挿入される挿入孔部13とこの挿入孔部1
3より小径の小径部14とを形成し、この小径部
14内に下ダイセツト9に支持された下部マンド
レル15とこの下部マンドレル15に摺動可能に
被嵌されて下部ノツクアウトピン21により支持
されたノツクアウト用チユーブ部材17を挿入し
たから、このような金型装置により一工程で前後
方押出成形が可能になり、従来のように数工程を
要するものに比べて生産にかかる費用も安く、納
期も短くなるなど生産性が向上できる。 The present invention has been detailed above, and slide 1
A punch 5 attached through a shrink ring 4 to an upper die set 2 provided at , the upper mandrel 19 slidable by the upper knockout pin 20 is inserted into the punch 5, and the insertion hole 13 into which the punch 5 is inserted into the die member 12 attached to the lower die set 9 provided on the bolster 8 and this Insertion hole 1
A lower mandrel 15 supported by the lower die set 9 and a lower mandrel 15 which is slidably fitted into the lower mandrel 15 and supported by a lower knockout pin 21 are formed in the small diameter part 14. Since the tube member 17 for knockout is inserted, it is possible to perform front and rear extrusion molding in one process using such a mold device, and the production cost is lower than the conventional method that requires several processes, and the delivery time is shortened. Productivity can be improved by shortening the time.
第1図は従来の鍛造金型による素材から製品に
至る成形工程の説明図、第2図は本考案一実施例
の縦断面図、第3図は本考案に係る金型装置によ
る成形工程の説明図である。
1はスライド、2は上ダイセツト、5はパン
チ、8はボルスタ、9は下ダイセツト、12はダ
イ部材、15は下部マンドレル、19は上部マン
ドレル。
Fig. 1 is an explanatory diagram of the forming process from material to product using a conventional forging die, Fig. 2 is a longitudinal cross-sectional view of an embodiment of the present invention, and Fig. 3 is an explanatory diagram of the forming process using the mold device according to the present invention. It is an explanatory diagram. 1 is a slide, 2 is an upper die set, 5 is a punch, 8 is a bolster, 9 is a lower die set, 12 is a die member, 15 is a lower mandrel, and 19 is an upper mandrel.
Claims (1)
リンクリング4を介して取付けられたパンチ5に
小径孔部6と大径孔部7とを設けると共にパンチ
5の端面を外方に傾斜するテーパ部に形成し、パ
ンチ5内に上部ノツクアウトピン20により摺動
する上部マンドレル19を挿入し、ボルスタ8に
設けられた下ダイセツト9に取付けられたダイ部
材12にパンチ5が挿入される挿入孔部13とこ
の挿入孔部13より小径の小径部14とを形成
し、この小径部14内に下ダイセツト9に支持さ
れた下部マンドレル15とこの下部マンドレル1
5に摺動可能に被嵌されて下部ノツクアウトピン
21により支持されたノツクアウト用チユーブ部
材17とを挿入したことを特徴とする前後押し出
し鍛造金型装置。 A punch 5 attached to an upper die set 2 provided on the slide 1 via a shrink ring 4 is provided with a small diameter hole portion 6 and a large diameter hole portion 7, and the end face of the punch 5 is formed into an outwardly inclined taper portion. The upper mandrel 19 slidable by the upper knockout pin 20 is inserted into the punch 5, and the insertion hole 13 into which the punch 5 is inserted into the die member 12 attached to the lower die set 9 provided on the bolster 8. A small diameter part 14 smaller in diameter than this insertion hole part 13 is formed, and a lower mandrel 15 supported by the lower die set 9 and this lower mandrel 1 are formed in this small diameter part 14.
5 and a knock-out tube member 17 slidably fitted on the knock-out pin 21 and supported by a lower knock-out pin 21.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13826680U JPS6145946Y2 (en) | 1980-09-30 | 1980-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13826680U JPS6145946Y2 (en) | 1980-09-30 | 1980-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5760736U JPS5760736U (en) | 1982-04-10 |
JPS6145946Y2 true JPS6145946Y2 (en) | 1986-12-24 |
Family
ID=29498312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13826680U Expired JPS6145946Y2 (en) | 1980-09-30 | 1980-09-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6145946Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2534899B2 (en) * | 1988-09-16 | 1996-09-18 | アイダエンジニアリング株式会社 | Extrusion method and its equipment |
-
1980
- 1980-09-30 JP JP13826680U patent/JPS6145946Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5760736U (en) | 1982-04-10 |
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