JPS6311185U - - Google Patents
Info
- Publication number
- JPS6311185U JPS6311185U JP10482386U JP10482386U JPS6311185U JP S6311185 U JPS6311185 U JP S6311185U JP 10482386 U JP10482386 U JP 10482386U JP 10482386 U JP10482386 U JP 10482386U JP S6311185 U JPS6311185 U JP S6311185U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- tube
- rod
- mandrel
- welded
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Description
第１図は本考案の一実施例に係るチユーブ溶接
用マンドレルの構成を示す断面図、第２図は本実
施例に係る第１図―矢視の断面図である。
１…本体、２…ロツド、３…内張板、４…鋼球
、５…クランプハンドル、６…板ばね、７…セツ
トビス、８…押え板、９…押え板、１０…ばね、
１１…位置決めボルト、１２…押えねじ、２１…
勾配面。
FIG. 1 is a cross-sectional view showing the configuration of a tube welding mandrel according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along arrows in FIG. 1 according to the present embodiment. 1... Main body, 2... Rod, 3... Lining plate, 4... Steel ball, 5... Clamp handle, 6... Leaf spring, 7... Set screw, 8... Holding plate, 9... Holding plate, 10... Spring,
11... Positioning bolt, 12... Holding screw, 21...
slope surface.
Claims (1)
に雌雄ねじを配した円筒胴部に複数の穴を設けた
本体と、該本体円筒内面で他端はばねを間着して
ボルトで係止し、一端は前記クランプハンドル先
端と当接して円筒内で軸方向に摺動し、外周面に
複数の勾配面を有したロツドと、該ロツドの摺動
により同ロツドの勾配面と前記本体胴部の穴側壁
との間で軸線上を垂直に上下する鋼球と、前記本
体外周円筒部の両端に嵌挿された押え板と、該押
え板間に挟まれて前記本体円筒外周に嵌挿され、
かつ前記鋼球で押し広げられる内張板とを具備し
て内張板外周面に溶接すべきチユーブをコイル状
に巻いて同チユーブの合接面を溶接することを特
徴とするチユーブ溶接用マンドレル。 A main body with a clamp handle on the outer circumferential surface of one end and a plurality of holes in a cylindrical body with female and male threads arranged on the other end, and a spring interposed at the other end on the inner surface of the main body cylinder, which is secured with a bolt. a rod whose one end abuts the tip of the clamp handle and slides in the axial direction within the cylinder and has a plurality of sloped surfaces on its outer circumferential surface, and the sliding of the rod causes contact between the sloped surfaces of the rod and the main body body. a steel ball that vertically moves up and down on the axis between the side wall of the hole; a presser plate fitted into both ends of the outer cylindrical portion of the main body; ,
A mandrel for tube welding, characterized in that the mandrel is equipped with an inner lining plate that can be pushed out by the steel balls, the tube to be welded on the outer peripheral surface of the inner lining plate is wound in a coil shape, and the joint surfaces of the tube are welded. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10482386U JPS6311185U (en) | 1986-07-08 | 1986-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10482386U JPS6311185U (en) | 1986-07-08 | 1986-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6311185U true JPS6311185U (en) | 1988-01-25 |
Family
ID=30978672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10482386U Pending JPS6311185U (en) | 1986-07-08 | 1986-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6311185U (en) |
-
1986
- 1986-07-08 JP JP10482386U patent/JPS6311185U/ja active Pending