JPH03126236U - - Google Patents
Info
- Publication number
- JPH03126236U JPH03126236U JP2889290U JP2889290U JPH03126236U JP H03126236 U JPH03126236 U JP H03126236U JP 2889290 U JP2889290 U JP 2889290U JP 2889290 U JP2889290 U JP 2889290U JP H03126236 U JPH03126236 U JP H03126236U
- Authority
- JP
- Japan
- Prior art keywords
- engagement hole
- guide groove
- distal end
- engagement
- rear end
- 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
Landscapes
- Extrusion Of Metal (AREA)
Description
第１図は本考案に係る拡管ビレツトの交換機構
を示す部分破断正面図、第２図はその係合ピンの
部分破断平面図、第３図は係合ピンの左側面図、
第４図は従来の拡管ビレツトの交換機構を示す部
分破断正面図である。
１０……係合ピン、１２……マンドレル、１５
，１７……ガイド溝、１６……係合孔、１８……
大径空間部、２４……軸ピン、２８……ビレツト
、３４……細軸部、３６……膨径部。
Fig. 1 is a partially cutaway front view showing the exchanging mechanism for the expanding billet according to the present invention, Fig. 2 is a partially cutaway plan view of the engagement pin, and Fig. 3 is a left side view of the engagement pin.
FIG. 4 is a partially cutaway front view showing a conventional expanding billet exchange mechanism. 10... Engaging pin, 12... Mandrel, 15
, 17... Guide groove, 16... Engagement hole, 18...
Large diameter space part, 24...shaft pin, 28... billet, 34... thin shaft part, 36... expanded diameter part.
Claims (1)
され、先端部には先端面に開口する係合孔が長さ
方向へ穿設され、該係合孔の内壁面には前記先端
面から後方へ延びるガイド溝が刻設され、該ガイ
ド溝の後端は、係合孔内に設けられると共に係合
孔の径より大径に形成された大径空間部へ連絡す
るよう形成された係合ピンと、 先端部へ拡管用ビレツトを取付け可能に形成さ
れ、後端部には前記係合ピンの前記係合孔内へ挿
入可能な細軸部を設けると共に、該細軸部には前
記ガイド溝を通過可能かつ前記大径空間部内にお
いて係合孔口縁と掛止して抜け止め可能な膨径部
が設けられた軸ピンとを具備することを特徴とす
る拡管ビレツトの交換機構。[Claims for Utility Model Registration] The rear end is formed so that it can be attached to a tube expansion mandrel, and the distal end is provided with an engagement hole opened in the distal end surface in the length direction, and the inner wall surface of the engagement hole is A guide groove extending rearward from the distal end surface is carved in the guide groove, and the rear end of the guide groove communicates with a large diameter space provided within the engagement hole and having a diameter larger than the diameter of the engagement hole. an engagement pin formed to allow a tube expansion billet to be attached to the distal end thereof, and a thin shaft portion that can be inserted into the engagement hole of the engagement pin at the rear end; An expansion billet characterized in that the shaft portion is provided with a shaft pin that is capable of passing through the guide groove and that is provided with an expanded diameter portion that can be engaged with the mouth edge of the engagement hole in the large diameter space to prevent it from coming off. exchange mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028892U JPH0627233Y2 (en) | 1990-03-20 | 1990-03-20 | Expansion billet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028892U JPH0627233Y2 (en) | 1990-03-20 | 1990-03-20 | Expansion billet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03126236U true JPH03126236U (en) | 1991-12-19 |
| JPH0627233Y2 JPH0627233Y2 (en) | 1994-07-27 |
Family
ID=31531679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990028892U Expired - Lifetime JPH0627233Y2 (en) | 1990-03-20 | 1990-03-20 | Expansion billet device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627233Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH024728U (en) * | 1988-06-22 | 1990-01-12 |
-
1990
- 1990-03-20 JP JP1990028892U patent/JPH0627233Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH024728U (en) * | 1988-06-22 | 1990-01-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627233Y2 (en) | 1994-07-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |