JPS5925627Y2 - Mandrel for tube manufacturing - Google Patents
Mandrel for tube manufacturingInfo
- Publication number
- JPS5925627Y2 JPS5925627Y2 JP13091278U JP13091278U JPS5925627Y2 JP S5925627 Y2 JPS5925627 Y2 JP S5925627Y2 JP 13091278 U JP13091278 U JP 13091278U JP 13091278 U JP13091278 U JP 13091278U JP S5925627 Y2 JPS5925627 Y2 JP S5925627Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- cylindrical body
- mandrel
- cylindrical
- holes
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
【考案の詳細な説明】
本考案は強化プラスチック管等の管製造用マンドレルに
関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mandrel for manufacturing pipes such as reinforced plastic pipes.
強化プラスチック管等の管を製造する場合、マンドレル
上に成形材料を巻回して管を製造することがあるが、管
からマンドレルを離脱せしめることが容易でない。When manufacturing a tube such as a reinforced plastic tube, the tube may be manufactured by winding a molding material onto a mandrel, but it is not easy to remove the mandrel from the tube.
しかして、従来、例えば、特公昭５２−３９６６３号公
報の如く、円筒面に空気放出機構を有する固定の円筒形
マンドレルを使用し、該円筒面に離型テープを捲回して
離型テープ管を連続に形成し、該テープ管に未硬化の熱
硬化性樹脂含浸繊維帯状体を捲回硬化せしめ、該硬化管
をマンドレル円筒面を軸方向に回転、滑動せしめ、同時
にマンドレル円筒面と離型テープの間に圧力空気を放出
上しめて硬化管の引出しを容易にする方法をとることが
ある。Conventionally, for example, as disclosed in Japanese Patent Publication No. 52-39663, a fixed cylindrical mandrel having an air release mechanism on the cylindrical surface is used, and a release tape is wound around the cylindrical surface to form a release tape tube. The uncured thermosetting resin-impregnated fiber strip is wound around the tape tube and cured, and the cured tube is rotated and slid in the axial direction on the cylindrical surface of the mandrel, and at the same time the cylindrical surface of the mandrel and the release tape are rolled. In some cases, pressurized air is released during the process to make it easier to pull out the cured tube.
しかし、斜上の如き従来の方法では、マンドレル円筒面
と離型テープの間の離型効果が十分でなく、マンドレル
円筒面上の管の回転、前進が容易でないという欠点があ
った。However, the conventional method such as diagonal ascent has the disadvantage that the mold release effect between the mandrel cylindrical surface and the mold release tape is not sufficient, and the tube on the mandrel cylindrical surface cannot be easily rotated or advanced.
本考案は斜上の如き従来の欠点を改善することを目的と
してなされたもので゛あって、その要旨は、筒状体の管
壁上に、複数の噴気孔が設けられ、該噴気孔に隣接して
複数の吸気孔が設けられてなる管製造用マンドレルに存
する。The present invention was developed with the aim of improving the conventional drawbacks such as sloping. A mandrel for manufacturing a tube is provided with a plurality of adjacent air intake holes.
以下、本考案を図面の実施例により説明する。Hereinafter, the present invention will be explained with reference to embodiments of the drawings.
１は一端を支持された筒状体である。1 is a cylindrical body supported at one end.
筒状体１の管壁を貫通して複数の噴気孔１１．１１・・
・及び１１′。A plurality of fumarole holes 11, 11... penetrate through the tube wall of the cylindrical body 1.
- and 11'.
１１′・・・がそれぞれ同方向、及び軸方向に沿って交
互に設けられ、該噴気孔１１．１１・・・及び１１’、
１１’に隣接して筒状体１の管壁を貫通して複数の吸
気孔１２、１２・・・及び１２’、 １２’・・・が交
互に設けられている。11'... are provided alternately in the same direction and along the axial direction, and the fumarole holes 11, 11... and 11',
Adjacent to 11', a plurality of intake holes 12, 12... and 12', 12'... are provided alternately through the tube wall of the cylindrical body 1.
噴気孔１１．１１・・・及び１１’、 １１’・・・に
は筒状体１の内側から噴気管１１１，１１１・・・が連
結され、該噴気管１１１の一端は筒状体１の外部に導出
されて、図面に示していない空気圧縮機に接続され、噴
気孔１１゜１１・・・及び１１’、 １１’・・・から
筒状体１の外側に噴気できるようにされている。Fumarole pipes 111, 111... are connected to the fumarole holes 11, 11... and 11', 11'... from the inside of the cylindrical body 1, and one end of the fumarole pipe 111 is It is led out to the outside and connected to an air compressor not shown in the drawing, so that it can emit fumes to the outside of the cylindrical body 1 from the blowholes 11, 11, 11', 11', and so on. .
また、吸気孔１２．１２・・・及び１２’、 １２’・
・・には筒状体１の内側から吸気管１２１゜１２１・・
・が連結され、該吸気管１２１の一端は筒状体１の外部
に導出されて、図面に示していない減圧機に接続され、
噴気孔１１．１１・・・及び１１’、 １１’から筒状
体１の外側に噴気された空気がそれぞれ吸気孔１２、１
２及び１２’、 １２’・・・から吸気できるようにな
されている。In addition, the intake holes 12, 12... and 12', 12',
...intake pipe 121°121... from the inside of the cylindrical body 1
and one end of the intake pipe 121 is led out to the outside of the cylindrical body 1 and connected to a pressure reducer not shown in the drawings,
Air emitted from the fumarole holes 11, 11... and 11', 11' to the outside of the cylindrical body 1 enters the intake holes 12, 1, respectively.
2, 12', 12', and so on.
（第１図及び第２図参照）。尚、噴気孔と吸気孔の位置
関係は、第３図に示す如く、筒状体１の管壁を貫通して
複数の噴気孔１１．１１・・・が周方向に沿って設けら
れ、該噴気孔１１゜１１・・・に隣接して筒状体１の先
端側に、筒状体１の管壁を貫通して複数の吸気孔１２．
１２・・・が設けられているだけでもよく、また第４図
に示す如く、筒状体１の管壁を貫通して複数の噴気孔１
１’、 １１’・・・が周方向に沿って設けられ、該噴
気孔１１’、 １１’・・・に隣接して筒状体１の軸方
向の一定側に、筒状体１の管壁を貫通して複数の吸気孔
１２’、 １２’・・・が設けられているだけでもよく
、その他必要に応じて変位するようにしてもよい。(See Figures 1 and 2). The positional relationship between the fumarole holes and the intake holes is as shown in FIG. Adjacent to the fumarole holes 11, 11, . . . , a plurality of intake holes 12.
12... may be provided, and as shown in FIG.
1', 11'... are provided along the circumferential direction, and adjacent to the blowholes 11', 11'..., the tubes of the cylindrical body 1 are provided on a certain side in the axial direction of the cylindrical body 1. A plurality of intake holes 12', 12'... may be simply provided through the wall, or may be displaced as necessary.
次に本考案の第１図の実施例の一使用態様を第５図を参
照して説明する。Next, one mode of use of the embodiment of the present invention shown in FIG. 1 will be explained with reference to FIG. 5.
一端を支持された筒状体１の上に紙等からなる外表面に
接着剤を塗布した帯状材料２を螺旋状に巻きつけ、該帯
状材料２の上にドラム３上にかけられたベルト４をかけ
、ドラム３を駆動してベルト４をまわし、帯状材料２を
筒状体１の周方向に回転すると同時に先端方向に移動す
る筒状芯型５を形成する。A strip material 2 made of paper or the like and coated with adhesive on the outer surface is spirally wound around a cylindrical body 1 whose one end is supported, and a belt 4 placed on a drum 3 is placed over the strip material 2. The belt 4 is rotated by driving the drum 3 to rotate the belt-shaped material 2 in the circumferential direction of the cylindrical body 1, and at the same time form a cylindrical core mold 5 that moves toward the tip.
筒状芯型５の上に熱硬化性樹脂を含む成形材料６′を巻
回して成形材料層６を形成する。A molding material layer 6 is formed by winding a molding material 6' containing a thermosetting resin onto the cylindrical core mold 5.
これを加熱炉７をとおして硬化し、その後製品を筒状芯
型５から離脱せしめて複合管を得る。This is cured in a heating furnace 7, and then the product is separated from the cylindrical core mold 5 to obtain a composite tube.
この一連の工程において、噴気孔１１．１１・・・から
空気を噴気し、その空気を吸気孔１２．１２・・・から
吸気して、筒状体１の外面と筒状芯型５の内面との間に
、筒状体１の先端方向に流れる気流を形威せしめると同
時に、噴気孔１１’、 １１’・・・から空気を噴気し
、その空気を吸気孔１２’、 １２’・・・から吸気し
て、筒状体１の外面と筒状芯型５の内面との間に、筒状
体１の周方向の一定方向に流れる気流を形威せしめるこ
とにより、筒状芯型５が筒状体１上を周方向に回転しつ
つ軸先端方向に移動しやすくすることができる。In this series of steps, air is blown out from the fumarole holes 11, 11..., the air is taken in from the intake holes 12, 12..., and the outer surface of the cylindrical body 1 and the inner surface of the cylindrical core mold 5 are At the same time, air is blown out from the blowholes 11', 11'..., and the air is transferred to the intake holes 12', 12'... - By taking in air from the cylindrical body 1 and creating an airflow flowing in a fixed direction in the circumferential direction of the cylindrical body 1 between the outer surface of the cylindrical body 1 and the inner surface of the cylindrical core 5, the cylindrical core 5 can be made easier to move toward the tip of the shaft while rotating circumferentially on the cylindrical body 1.
斜上の如く、本考案管製造用マンドレルは筒状体の管壁
上に、複数の噴気孔が設けられ、該噴気孔に隣接して複
数の吸気孔が設けられているので、その周りに適宜芯型
等を形威し、その上に成形材料を巻回して管を製造する
場合に、噴気孔から空気を噴出してその空気を吸気孔か
ら吸気することにより、筒状体と芯型等との間に一定方
向に流れる気流を生ぜしめ、筒状体上の一定方向への管
の移動及び管状体上からの管の離脱が容易にできる。As shown above, the mandrel for manufacturing tubes of the present invention has a plurality of blowholes on the tube wall of the cylindrical body, and a plurality of intake holes are provided adjacent to the blowholes. When manufacturing a tube by shaping a core mold as appropriate and winding a molding material on top of it, the cylindrical body and core mold An air current flowing in a fixed direction is generated between the tube and the tube, and the tube can be easily moved in a fixed direction on the cylindrical body and removed from the tube.
第１図は本考案の一実施例を示す正面図、第２図は第１
図の一部切欠き正面図、第３図及び第４図はそれぞれ本
考案の別の実施例を示す一部切欠き正面図、第５図は第
１図の実施例の一使用態様を説明する正面図である。
符号の説明１・・・・・・筒状体、１１．１１’・・・
・・・噴気孔、１２、１２’・・・・・・吸気孔。Fig. 1 is a front view showing one embodiment of the present invention, and Fig. 2 is a front view showing an embodiment of the present invention.
3 and 4 are partially cutaway front views showing other embodiments of the present invention, and FIG. 5 illustrates one usage mode of the embodiment of FIG. 1. FIG. Explanation of symbols 1... Cylindrical body, 11.11'...
... Fumarole, 12, 12'... Intake hole.
Claims (1)
に隣接して複数の吸気孔が設けられてなる管製造用マン
ドレル。A mandrel for manufacturing a tube, in which a plurality of blowholes are provided on a tube wall of a cylindrical body, and a plurality of intake holes are provided adjacent to the blowholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13091278U JPS5925627Y2 (en) | 1978-09-22 | 1978-09-22 | Mandrel for tube manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13091278U JPS5925627Y2 (en) | 1978-09-22 | 1978-09-22 | Mandrel for tube manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5547351U JPS5547351U (en) | 1980-03-28 |
| JPS5925627Y2 true JPS5925627Y2 (en) | 1984-07-27 |
Family
ID=29096986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13091278U Expired JPS5925627Y2 (en) | 1978-09-22 | 1978-09-22 | Mandrel for tube manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5925627Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2409068B1 (en) * | 2013-03-19 | 2014-04-01 | Manuel Torres Martínez | Machine to manufacture pieces of composite materials and process of manufacturing parts with said machine |
| US11794402B2 (en) * | 2019-12-18 | 2023-10-24 | Saudi Arabian Oil Company | Reducing manufacturing defects of a wound filament product |
-
1978
- 1978-09-22 JP JP13091278U patent/JPS5925627Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5547351U (en) | 1980-03-28 |
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