JPS6050524B2 - Pipe end roundness correction device - Google Patents
Pipe end roundness correction deviceInfo
- Publication number
- JPS6050524B2 JPS6050524B2 JP20160981A JP20160981A JPS6050524B2 JP S6050524 B2 JPS6050524 B2 JP S6050524B2 JP 20160981 A JP20160981 A JP 20160981A JP 20160981 A JP20160981 A JP 20160981A JP S6050524 B2 JPS6050524 B2 JP S6050524B2
- Authority
- JP
- Japan
- Prior art keywords
- correction device
- mandrel
- small
- roundness correction
- holding plate
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は、パイプ管端の真円度矯正に係り、特に大径の
溶接管のように往々にして楕円状になつているバイブ類
に好適な真円度矯正装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to straightening the roundness of the end of a pipe, and in particular provides a roundness straightening device suitable for vibrators that often have an elliptical shape, such as large diameter welded pipes. Regarding.
この種の装置には、例えば熱交換器管端に使用するエキ
スパンダがある。Devices of this type include, for example, expanders used at the ends of heat exchanger tubes.
このエキスパンダは、第１、２図に示すように拡管用小
ローラ１が拘束治具３にはめ込まれており、マンドレル
２がこの拘束治具３に接するまで拡管するようになつて
いる。この場合、小ローラ１が拘束治具３にはめ込み式
となつているため、小ローラ１とマンドレル２のすき間
が少なく拡管量はわすかである。また、パイプの直径が
異なるごとに拘束治具３を製作する必要がある。したが
つて、多種大径パイプの管端部の拡管には適用が困難て
ある。本発明の目的は、真円となつていない比較的大径
のパイプの端面を、例えは開先加工およびパイプ同士の
突合せ組合せを容易にするために、拡管量を大きく取れ
るようにして真円に矯正することにある。In this expander, as shown in FIGS. 1 and 2, a small tube expansion roller 1 is fitted into a restraining jig 3, and the tube is expanded until the mandrel 2 comes into contact with the restraining jig 3. In this case, since the small roller 1 is fitted into the restraint jig 3, the gap between the small roller 1 and the mandrel 2 is small and the amount of tube expansion is small. Furthermore, it is necessary to manufacture the restraint jig 3 for each pipe with a different diameter. Therefore, it is difficult to apply this method to expanding the ends of various types of large diameter pipes. An object of the present invention is to make the end face of a relatively large diameter pipe that is not a perfect circle by making it possible to enlarge the end face to a perfect circle, for example, in order to facilitate beveling and butt combinations of pipes. The goal is to correct this.
本発明は、上記エキスパンダ方式のようなものにおいて
、小ローラの取付けを容易にし、拡管量を大きくして多
種のパイプに適用可能としたものてある。The present invention facilitates the installation of small rollers in the expander system described above, increases the amount of pipe expansion, and makes it applicable to various types of pipes.
以下、本発明の一実施例を第３〜６図て説明する。An embodiment of the present invention will be described below with reference to FIGS. 3 to 6.
パイプ４の管端部に挿入する比較的テーパの大きいマン
ドレル６の外周に接するように複数個の小ローラ５を設
け、マンドレル６は独立して回転および押込みを行なう
ようにし、小ローラ５はマンドレル６に対応するテーパ
として保持棒７、自在ジョイント８を介して保持盤９に
取り付けられる。保持盤９はその同心円上に設けた複数
個の″回転軸１０により固定盤１１に取り付けられる。
この場合、回転軸１０は内ボールベアリング１２と外ボ
ールベアリング１３にはさまれており、小ローラ５のパ
イプ４内面に沿つた回転につれて自由に回転できる。本
発明は以上のように構成され、マンドレル６を回転して
押込むことにより、小ローラ５は保持盤９と共に回転し
ながらバイブ４を拡管する方向に拡がり、かつ、マンド
レル６のバイブ４中央への移動により小ローラ５に作用
する力は保持棒７にて支持することができ、小ローラ５
はバイブ４端面の所定の位置にとどまる。A plurality of small rollers 5 are provided so as to be in contact with the outer periphery of a mandrel 6 having a relatively large taper to be inserted into the end of the pipe 4, and the mandrel 6 is rotated and pushed independently. 6 is attached to a holding plate 9 via a holding rod 7 and a universal joint 8. The holding plate 9 is attached to a fixed plate 11 by a plurality of rotating shafts 10 provided on concentric circles.
In this case, the rotating shaft 10 is sandwiched between an inner ball bearing 12 and an outer ball bearing 13, and can freely rotate as the small roller 5 rotates along the inner surface of the pipe 4. The present invention is constructed as described above, and by rotating and pushing the mandrel 6, the small rollers 5 rotate together with the holding plate 9 and expand in the direction of expanding the vibrator 4, and move the mandrel 6 toward the center of the vibrator 4. The force acting on the small roller 5 due to the movement of the small roller 5 can be supported by the holding rod 7, and the small roller 5
remains at a predetermined position on the end face of the vibrator 4.
さらに、小ローラ５が拡がつても自在ジョイント８によ
り十分追随可能である。また、回転軸１０は二つのボー
ルベアリング１２，１３にはさまれているため、小ロー
ラ５の円周方向への回転につれ自由に保持盤９は回転す
る。図のような構成においては、バイブ径ごとにマンド
レル６を代えるだけで対応できるもので、その場合、自
在ジョイント８を保持盤９に取付ける位置を変えるだけ
でよい。Furthermore, even if the small roller 5 expands, it can be sufficiently followed by the universal joint 8. Further, since the rotating shaft 10 is sandwiched between two ball bearings 12 and 13, the holding plate 9 freely rotates as the small roller 5 rotates in the circumferential direction. In the configuration shown in the figure, it is possible to cope with the problem by simply changing the mandrel 6 for each vibrator diameter, and in that case, it is only necessary to change the position at which the universal joint 8 is attached to the holding plate 9.
なお、小ローラ５のテーパ形状を変えることにより、管
端のフレア加工も可能となる。Note that by changing the taper shape of the small roller 5, it is also possible to flare the tube end.
本発明によれば、バイブの拡管量が従来に比べて格段に
大きくて真円に矯正できる装置が得られる。According to the present invention, it is possible to obtain a device that allows the amount of tube expansion of the vibrator to be much larger than that of the conventional device and can correct the vibrator into a perfect circle.
また、多種類のバイブに対して小ローラ、保持棒、自在
ジョイント、保持盤、内・外のボールベアリングおよび
固定盤は兼用でき、マンドレルのみ製作することて対処
できる。In addition, small rollers, holding rods, universal joints, holding plates, inner/outer ball bearings, and fixed plates can be used for many types of vibrators, and can be handled by manufacturing only the mandrel.
第１図は、従来のエキスパンダ機構を示す側面図、第２
図はその正面断面図、第３図は本発明の一実施例を示す
側面図、第４図はその正面図、第５，６図は保持盤回り
の正面図と側面図てある。
４・・・・・・バイブ、５・・・・・・小ローラ、６・
・・・・・マンドレル、７・・・・・・保持棒、８・・
・・・自在ジョイント、９・・・・保持盤、１０・・・
・・・回転軸、１１・・・・・・固定盤、１２・・・・
・・内ボールベアリング、１３・・・・・・外ボールベ
アリング。Figure 1 is a side view showing a conventional expander mechanism; Figure 2 is a side view showing a conventional expander mechanism;
3 is a front sectional view of the same, FIG. 3 is a side view showing an embodiment of the present invention, FIG. 4 is a front view thereof, and FIGS. 5 and 6 are a front view and a side view of the holding plate and its surroundings. 4... Vibrator, 5... Small roller, 6...
...Mandrel, 7...Holding rod, 8...
...Flexible joint, 9...Holding plate, 10...
...Rotating shaft, 11...Fixed plate, 12...
...Inner ball bearing, 13...Outer ball bearing.
Claims (1)
マンドレルと、そのマンドレルに接し矯正すべきパイプ
にも接する拡管用テーパ付き小ローラよりなる管端真円
度矯正装置において、上記小ローラを支持棒を介して保
持盤に取付けた自在ジョイントに連結し、この自在ジョ
イントの取付位置は半径方向に自由に移動できるように
し、かつ、保持盤を固定盤に回転できるように取付けた
ことを特徴とする管端真円度矯正装置。1. In a tube end roundness correction device consisting of a tapered mandrel connected to a rotation mechanism and movable in the axial direction, and a small tapered roller for expanding the tube that contacts the mandrel and also contacts the pipe to be corrected, the small roller is supported. It is connected via a rod to a universal joint attached to a holding plate, the mounting position of this universal joint can be freely moved in the radial direction, and the holding plate is attached to the fixed plate so that it can rotate. Pipe end roundness correction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20160981A JPS6050524B2 (en) | 1981-12-16 | 1981-12-16 | Pipe end roundness correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20160981A JPS6050524B2 (en) | 1981-12-16 | 1981-12-16 | Pipe end roundness correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58103915A JPS58103915A (en) | 1983-06-21 |
| JPS6050524B2 true JPS6050524B2 (en) | 1985-11-08 |
Family
ID=16443890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20160981A Expired JPS6050524B2 (en) | 1981-12-16 | 1981-12-16 | Pipe end roundness correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050524B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806384A (en) * | 2010-04-26 | 2010-08-18 | 西北大学 | Impact type relaxable pipeline shaper expansion head |
| CN102371292A (en) * | 2011-11-07 | 2012-03-14 | 天津绿博大环保设备科技研发有限公司 | Vertical opening bucket reshaping system |
| CN107597890A (en) * | 2017-09-30 | 2018-01-19 | 山西晋丰煤化工有限责任公司 | Pipe supporting device |
| CN110369558A (en) * | 2019-08-01 | 2019-10-25 | 湖南南方通用航空发动机有限公司 | A kind of antidote and device of the deformation of thin-wall aluminium pipe tube wall |
| CN115921586B (en) * | 2022-11-21 | 2023-09-08 | 江苏诚德钢管股份有限公司 | Seamless steel tube forming die |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5624731B2 (en) * | 2009-04-30 | 2014-11-12 | 京楽産業．株式会社 | Game machine, production control method, and production control program |
| JP5242638B2 (en) * | 2010-08-06 | 2013-07-24 | 京楽産業．株式会社 | Pachinko machine |
| JP5461358B2 (en) * | 2010-10-12 | 2014-04-02 | 株式会社ニューギン | Game machine |
-
1981
- 1981-12-16 JP JP20160981A patent/JPS6050524B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58103915A (en) | 1983-06-21 |
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