JPS63145509U - - Google Patents
Info
- Publication number
- JPS63145509U JPS63145509U JP3888887U JP3888887U JPS63145509U JP S63145509 U JPS63145509 U JP S63145509U JP 3888887 U JP3888887 U JP 3888887U JP 3888887 U JP3888887 U JP 3888887U JP S63145509 U JPS63145509 U JP S63145509U
- Authority
- JP
- Japan
- Prior art keywords
- mandrel
- bush
- hole
- holder
- central axis
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Extrusion Of Metal (AREA)
Description
第１図は本考案を実施した結合構造の一例を示
す縦断側面図、第２図イ〜ハは第１図構造に用い
られる各種ピースの構造説明図、第３図は熱間押
出し製管を示す模式断面図、第４図は従来の結合
構造を示す縦断側面図である。
図中、１：コンテナ、３：ダイス、５：中空ビ
レツト、６：マンドレル、８：ステム、１０：マ
ンドレルホルダー、１１：中間ねじ継手、１３，
１８：ブツシユ、１５，２０：角孔、１７：貫通
孔、２１：ピン、２２，２３：角軸部。
Fig. 1 is a vertical side view showing an example of a joint structure in which the present invention is implemented, Fig. 2 A to C are structural explanatory diagrams of various pieces used in the structure shown in Fig. 1, and Fig. 3 shows a hot extrusion pipe manufacturing. FIG. 4 is a longitudinal sectional side view showing a conventional coupling structure. In the figure, 1: container, 3: die, 5: hollow billet, 6: mandrel, 8: stem, 10: mandrel holder, 11: intermediate threaded joint, 13,
18: Bush, 15, 20: Square hole, 17: Through hole, 21: Pin, 22, 23: Square shaft part.
Claims (1)
１１を介してマンドレル６の尾端を同軸螺着する
マンドレル６とマンドレルホルダー１０の結合に
おいて、マンドレルホルダー１０の先端部には中
央軸方向に角孔１５を有する第１のブツシユ１３
を同軸螺着し、中間ねじ継手１１には中央軸方向
に貫通孔１７を設けるとともに、中央軸方向に角
孔２０を有する第２のブツシユ１８を同軸螺着し
、第１のブツシユ１３と第２のブツシユ１８との
間には前記通孔１７を挿通し、第１のブツシユ１
３の角孔１５に嵌合する第１の角軸部２２と第２
のブツシユ１８の角孔２０に嵌合する第２の角軸
部２３とを有するピン２１を係合させ、かつ第１
のブツシユ１３および第２のブツシユ１８の螺合
をマンドレル６および中間ねじ継手１１の螺合方
向に対して逆向き、もしくは同じ向きで相互にピ
ツチの異なる形態としたことを特徴とするマンド
レルとマンドレルホルダーの結合構造。 In coupling the mandrel 6 and the mandrel holder 10, in which the tail end of the mandrel 6 is coaxially screwed to the tip of the mandrel holder 10 via an intermediate threaded joint 11, the tip of the mandrel holder 10 has a square hole 15 in the direction of the central axis. First button 13
The intermediate screw joint 11 is provided with a through hole 17 in the central axis direction, and a second bush 18 having a square hole 20 in the central axis direction is coaxially screwed, and the first bush 13 and the second bush 18 are coaxially screwed together. The through hole 17 is inserted between the second bush 18 and the first bush 1.
The first square shaft portion 22 that fits into the square hole 15 of No. 3 and the second
and a second square shaft portion 23 that fits into the square hole 20 of the bush 18, and the first
A mandrel and a mandrel characterized in that the threading of the bushing 13 and the second bushing 18 is opposite to the threading direction of the mandrel 6 and the intermediate threaded joint 11, or in the same direction but with different pitches. Bonding structure of holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3888887U JPH0428643Y2 (en) | 1987-03-17 | 1987-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3888887U JPH0428643Y2 (en) | 1987-03-17 | 1987-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63145509U true JPS63145509U (en) | 1988-09-26 |
| JPH0428643Y2 JPH0428643Y2 (en) | 1992-07-13 |
Family
ID=30851554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3888887U Expired JPH0428643Y2 (en) | 1987-03-17 | 1987-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428643Y2 (en) |
-
1987
- 1987-03-17 JP JP3888887U patent/JPH0428643Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428643Y2 (en) | 1992-07-13 |