JPS6427139U - - Google Patents
Info
- Publication number
- JPS6427139U JPS6427139U JP11914887U JP11914887U JPS6427139U JP S6427139 U JPS6427139 U JP S6427139U JP 11914887 U JP11914887 U JP 11914887U JP 11914887 U JP11914887 U JP 11914887U JP S6427139 U JPS6427139 U JP S6427139U
- Authority
- JP
- Japan
- Prior art keywords
- punch
- die
- extrusion mold
- during processing
- backward extrusion
- 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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Forging (AREA)
Description
第１図は本考案の後方押出金型の一実施例を示
す縦断面図、第２図は第１図のダイ穴の詳細を示
す縦断面図、第３図は加工された製品を示す縦断
面図図、第４図は素材の変形を示す説明図、第５
図は従来の後方押出金型を示す縦断面図である。
３１……ポンチ、３７……ポンチホルダ、４３
……ポンチガイド、４５……ダイス、５５……カ
ウンターポンチ、５９……ダイ穴、６１……素材
、６３……大径部。
Fig. 1 is a longitudinal cross-sectional view showing an embodiment of the backward extrusion mold of the present invention, Fig. 2 is a longitudinal cross-sectional view showing details of the die hole in Fig. 1, and Fig. 3 is a longitudinal cross-sectional view showing the processed product. The top view, Figure 4 is an explanatory diagram showing the deformation of the material, and Figure 5 is a diagram showing the deformation of the material.
The figure is a longitudinal sectional view showing a conventional backward extrusion mold. 31... Punch, 37... Punch holder, 43
... Punch guide, 45 ... Die, 55 ... Counter punch, 59 ... Die hole, 61 ... Material, 63 ... Large diameter section.
Claims (1)
時に一定位置に固定されるカウンターポンチを配
置するとともに、前記ダイ穴の他側からポンチを
挿入し、このポンチにより、前記ダイ穴内に収容
される素材を後方押出加工する後方押出金型にお
いて、前記ダイ穴の素材収容部の位置から前記ポ
ンチ挿入側に向けて、前記素材の外径より大きい
大径部を形成するとともに、加工時における前記
ポンチとダイスとの相対距離を一定に維持する距
離保持機構を配置したことを特徴とする後方押出
金型。 (2) 距離保持機構は、ダイスをポンチ側に付勢
する付勢機構と、加工時に一端をダイスに当接さ
れポンチの移動と同一速度でダイス側に移動する
ポンチガイドとからなる実用新案登録請求の範囲
第１項記載の後方押出金型。 (3) ポンチガイドは、ストリツパープレートの
貫通孔に挿通固定されている実用新案登録請求の
範囲第２項記載の後方押出金型。[Claims for Utility Model Registration] (1) A counter punch that is fixed at a fixed position during processing is placed on one side of the die hole formed in the die, and the punch is inserted from the other side of the die hole, In a backward extrusion mold for rearwardly extruding the material accommodated in the die hole with this punch, a large diameter larger than the outer diameter of the material is 1. A backward extrusion mold, characterized in that a distance holding mechanism is arranged to form a part and maintain a constant relative distance between the punch and the die during processing. (2) The distance holding mechanism is a registered utility model consisting of a biasing mechanism that biases the die toward the punch side, and a punch guide that has one end in contact with the die during processing and moves toward the die at the same speed as the punch. A backward extrusion mold according to claim 1. (3) The rear extrusion mold according to claim 2, wherein the punch guide is inserted and fixed into the through hole of the stripper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11914887U JPS6427139U (en) | 1987-08-03 | 1987-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11914887U JPS6427139U (en) | 1987-08-03 | 1987-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6427139U true JPS6427139U (en) | 1989-02-16 |
Family
ID=31364130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11914887U Pending JPS6427139U (en) | 1987-08-03 | 1987-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6427139U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294849A (en) * | 1976-02-05 | 1977-08-09 | Masato Kunogi | Cylindrical ram press unit and method of using same |
-
1987
- 1987-08-03 JP JP11914887U patent/JPS6427139U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5294849A (en) * | 1976-02-05 | 1977-08-09 | Masato Kunogi | Cylindrical ram press unit and method of using same |
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