JP3149204B2 - Pipe cutting method and pipe cutting device - Google Patents

Pipe cutting method and pipe cutting device

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Publication number
JP3149204B2
JP3149204B2 JP15264991A JP15264991A JP3149204B2 JP 3149204 B2 JP3149204 B2 JP 3149204B2 JP 15264991 A JP15264991 A JP 15264991A JP 15264991 A JP15264991 A JP 15264991A JP 3149204 B2 JP3149204 B2 JP 3149204B2
Authority
JP
Japan
Prior art keywords
pipe
cut
cutting
coating
predetermined width
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 - Fee Related
Application number
JP15264991A
Other languages
Japanese (ja)
Other versions
JPH04354613A (en
Inventor
茂 三枝
Original Assignee
臼井国際産業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 臼井国際産業株式会社 filed Critical 臼井国際産業株式会社
Priority to JP15264991A priority Critical patent/JP3149204B2/en
Publication of JPH04354613A publication Critical patent/JPH04354613A/en
Application granted granted Critical
Publication of JP3149204B2 publication Critical patent/JP3149204B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【産業上の利用分野】本発明はパイプ切断方法とパイプ
切断装置に係り、特に被膜を有するパイプのパイプ切断
方法とパイプ切断装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe cutting method and a pipe cutting apparatus, and more particularly to a pipe cutting method and a pipe cutting apparatus for a pipe having a coating.
【0002】[0002]
【従来の技術】従来のパイプ切断方法では、被切断パイ
プの軸心を中心に回転する保持体に切断カッタを設け、
該カッタを使用して被切断パイプの被膜は除去せずにそ
のまゝパイプ本体の切断を行っていた。
2. Description of the Related Art In a conventional pipe cutting method, a cutting cutter is provided on a holding body that rotates about the axis of a pipe to be cut.
Using the cutter, the pipe body was cut without removing the coating of the pipe to be cut.
【0003】[0003]
【発明が解決しようとする課題】従来のパイプ切断方法
で被膜を有するパイプを切断すると、被膜が樹脂被膜の
ように比較的厚く且つ軟かい場合には、切断時に被膜が
切断面近傍で押し込まれ、図4に示すように切断面近傍
に盛り上り部1やバリ部2が生じる。
When a pipe having a coating is cut by a conventional pipe cutting method, if the coating is relatively thick and soft like a resin coating, the coating is pushed in the vicinity of the cut surface during cutting. As shown in FIG. 4, a raised portion 1 and a burr portion 2 are formed near the cut surface.
【0004】このように、被膜を有するパイプの切断時
に、切断面近傍で被膜が綺麗に切断されず、盛り上り部
1やバリ部2が生じるとダブルフレアー加工、シングル
フレアー加工等の端末加工時に高品質のパイプが得られ
ず、特にフレアー加工品の場合はシート面にバリが挾ま
り漏れの問題があった。
As described above, when cutting a pipe having a coating, the coating is not cut cleanly in the vicinity of the cut surface, and when the bulging portion 1 or the burr portion 2 is formed, it is difficult to perform a double flaring process or a single flaring process. A high quality pipe could not be obtained, and especially in the case of a flare-processed product, there was a problem that a burr was caught on the sheet surface and leakage occurred.
【0005】本発明は、前述した被膜を有するパイプの
切断の現状に鑑みてなされたものであり、その目的は樹
脂などの被膜を有するパイプを綺麗に切断することので
きるパイプ切断方法及び装置を提供することにある。
The present invention has been made in view of the above-described current situation of cutting a pipe having a coating, and an object of the present invention is to provide a pipe cutting method and apparatus capable of cutting a pipe having a coating of resin or the like neatly. To provide.
【0006】[0006]
【課題を解決するための手段】前記目的を達成するため
に、本発明の第1の実施態様では被膜を有する被切断パ
イプを固定し、前記被切断パイプに対して、該パイプの
軸心を中心として回転しながら被膜除去工具を前記被切
断パイプに向けて移動させて、切断位置の前記被膜の所
定幅を円周方向に除去すると共に、切断カッタを移動さ
せて、前記被切断パイプを前記除去した被膜の所定幅中
において切断する構成となっている。
In order to achieve the above object, in a first embodiment of the present invention, a pipe to be cut having a coating is fixed, and an axis of the pipe is fixed to the pipe to be cut. By moving the coating removing tool toward the pipe to be cut while rotating as a center, the predetermined width of the coating at the cutting position is removed in a circumferential direction, and the cutting cutter is moved to move the pipe to be cut. The film is cut within a predetermined width of the removed film.
【0007】また、前記目的を達成するために本発明の
第2の実施態様は、その軸心位置に挿通され且つ固定さ
れた被切断パイプの軸心を中心に回転される保持体と、
この保持体に半径方向に進退自在に設けられ且つ外周面
に所定幅を有する被膜除去工具と、前記保持体に半径方
向に進退自在に設けられた切断カッタと、前記保持体を
前記軸心を中心に回転し、前記被膜除去工具を前記被切
断パイプ方向に前進させて、切断位置の前記被切断パイ
プの被膜の所定幅を円周方向に除去すると共に、前記切
断カッタを前記被切断パイプ方向に前進させて前記除去
した被膜の所定幅中において被切断パイプを切断するよ
うに駆動制御を行う制御装置とを有する構成となってい
る。
In order to achieve the above object, a second embodiment of the present invention is directed to a holding member which is inserted around its axis and rotated about the axis of a fixed pipe to be cut,
A film removing tool provided on the holder so as to be able to advance and retreat in the radial direction and having a predetermined width on the outer peripheral surface, a cutting cutter provided on the holder so as to be able to advance and retreat in the radial direction, and Rotate to the center, advance the coating removing tool in the direction of the pipe to be cut, remove a predetermined width of the coating of the pipe to be cut at the cutting position in the circumferential direction, and move the cutting cutter in the direction of the pipe to be cut. And a control device for performing drive control to cut the pipe to be cut within a predetermined width of the removed coating.
【0008】[0008]
【作 用】本発明では、被切断パイプを固定し、該パイ
プの軸心を中心として回転する保持体に設けた被膜除去
工具が被切断パイプの半径の延長線上を前記軸心方向に
移動し、該工具によって被切断パイプの切断位置の被膜
が所定幅で円周方向に除去される。
According to the present invention, the pipe to be cut is fixed, and the film removing tool provided on the holder rotating about the axis of the pipe moves in the axial direction along the extension of the radius of the pipe to be cut. The coating at the cutting position of the pipe to be cut is removed in the circumferential direction at a predetermined width by the tool.
【0009】この被膜の除去と略同時に又はその後に、
前記回転する保持体に設けられた切断カッタが被切断パ
イプに対して軸心方向に前進し、所定幅の被膜が除去さ
れた被切断パイプの前記所定幅中において切断され、被
膜を有するパイプが、綺麗な切断面で切断される。
At substantially the same time as or after the removal of the coating,
The cutting cutter provided on the rotating holding body advances in the axial direction with respect to the pipe to be cut, and is cut in the predetermined width of the pipe to be cut from which the coating of the predetermined width has been removed, and the pipe having the coating is formed. , Cut on a clean cut surface.
【0010】[0010]
【実施例】以下、本発明をパイプ切断装置の一実施例に
基づいて、図面を参照して説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment of a pipe cutting apparatus with reference to the drawings.
【0011】図1はパイプ切断装置の一実施例の要部の
構成を示す正面説明図、図2はパイプ切断装置の一実施
例の要部の構成を示す側面説明図、図3a及び図3bは
パイプ切断装置の一実施例の動作を示す説明図である。
FIG. 1 is an explanatory front view showing the structure of a main part of an embodiment of a pipe cutting apparatus, FIG. 2 is a side view showing the structure of a main part of an embodiment of a pipe cutting apparatus, FIGS. 3a and 3b. FIG. 4 is an explanatory view showing the operation of one embodiment of the pipe cutting device.
【0012】図1に示すように基台1に対して支持体2
が固定されていて、この支持体2にベアリング3を介し
て回転自在に保持体5が取り付けられている。この保持
体5の軸心位置には、被切断パイプ7が挿通される挿通
開口6が形成されている。また、保持体5の一端には図
示せぬ制御装置の駆動モータとベルトで連結されるプー
リ8が固設されている。
As shown in FIG. 1, a support 2
Is fixed, and a holder 5 is rotatably attached to the support 2 via a bearing 3. An insertion opening 6 through which the pipe 7 to be cut is inserted is formed at the axial center position of the holder 5. Further, a pulley 8 connected to a drive motor of a control device (not shown) by a belt is fixedly provided at one end of the holder 5.
【0013】また、保持体5の他端側には半径方向にガ
イド溝部10a、10bが形成されており、これらのガ
イド溝部にはそれぞれ移動体11a、11bが半径方向
に進退自在に嵌合されている。移動体11a、11bの
先端には、それぞれパイプ受けローラ12a、12bが
固定され、パイプ受けローラ12aには、外周面に所定
幅を有する、例えばバイトのような被膜除去工具13a
が先端を突出して固定してある。
Guide grooves 10a and 10b are formed in the other end of the holding member 5 in the radial direction, and moving bodies 11a and 11b are fitted in these guide grooves so as to be able to advance and retreat in the radial direction, respectively. ing. Pipe receiving rollers 12a and 12b are fixed to the ends of the moving bodies 11a and 11b, respectively. The pipe receiving roller 12a has a film removing tool 13a having a predetermined width on an outer peripheral surface, such as a cutting tool.
Is fixed with its tip protruding.
【0014】前述の移動体11a、11bは、それぞれ
カム15a、15bによってガイド溝部10a、10b
に沿って前進後退駆動されるようになっており、これら
のカムは図示せぬ制御装置によって制御駆動されるよう
に構成されている。
The moving bodies 11a and 11b are respectively guided by guide grooves 10a and 10b by cams 15a and 15b.
, And these cams are controlled and driven by a control device (not shown).
【0015】さらに保持体5の前記他端側には、半径方
向にガイド溝部17が形成され、このガイド溝部17に
は先端に切断カッタ18が回動自在に固定された移動体
20が半径方向に進退自在に嵌合されている。この移動
体20はカム21により、ガイド溝部17に沿って前進
後退駆動されるようになっている。
Further, a guide groove 17 is formed in the other end side of the holding body 5 in the radial direction, and a moving body 20 having a cutting cutter 18 rotatably fixed at the tip thereof in the guide groove 17 in the radial direction. Are fitted so as to be able to advance and retreat. The moving body 20 is driven forward and backward by the cam 21 along the guide groove 17.
【0016】一方、保持体5の挿通開口6に挿通される
被切断パイプ7の両端を保持して固定するパイプ固定ク
ランプ25a、25bが設けられ、これらのパイプ固定
クランプのクランプ或いはクランプの解除は図示せぬ制
御装置で行われるように構成されている。
On the other hand, there are provided pipe fixing clamps 25a and 25b for holding and fixing both ends of the pipe 7 to be cut inserted through the insertion opening 6 of the holder 5, and these pipe fixing clamps can be clamped or released. It is configured to be performed by a control device (not shown).
【0017】次に、このような構成の実施例の動作を説
明する。
Next, the operation of the embodiment having such a configuration will be described.
【0018】図示せぬパイプ送入装置によって保持体5
の挿通開口6に、例えば樹脂材の被膜7aを有する被切
断パイプ7が、切断個所を切断カッタ18と被膜除去工
具13aに対向させた位置になるまで送り込まれる。
The holder 5 is moved by a pipe feeding device (not shown).
The pipe to be cut 7 having, for example, a coating 7a of a resin material is fed into the insertion opening 6 until the cutting position reaches a position facing the cutting cutter 18 and the coating removal tool 13a.
【0019】この所定位置に被切断パイプ7が送り込ま
れると、制御装置が作動を開始してパイプ固定クランプ
25a、25bが被切断パイプ7を保持固定し、被切断
パイプ7は保持体5に対して位置決め固定される。一
方、制御装置の駆動モータが回転して、この回転が図示
せぬベルトを介してプーリ8に伝達されて、保持体5が
回転する。
When the pipe 7 to be cut is sent to the predetermined position, the control device starts operating, and the pipe fixing clamps 25a and 25b hold and fix the pipe 7 to be cut. Is fixed. On the other hand, the drive motor of the control device rotates, and this rotation is transmitted to the pulley 8 via a belt (not shown), and the holder 5 rotates.
【0020】次いで、カム15a、15bが駆動され、
移動体11a、11bが保持体5の軸心方向にガイド溝
部10a、10bに沿って前進を開始し、被膜除去工具
13aによって被切断パイプ7の被膜7aが、図3aに
示すように切断個所において所定幅で除去される。ここ
で被膜除去工具13aは、パイプ受けローラ12aから
の突出長を、被切断パイプ7の被膜7aの厚みに対応し
て、調整可能になっているので、予め設定された突出長
の被膜除去工具13aによって切断個所の被膜7aは綺
麗に所定幅で除去される。
Next, the cams 15a and 15b are driven,
The moving bodies 11a and 11b start to advance along the guide grooves 10a and 10b in the axial direction of the holder 5, and the coating 7a of the pipe 7 to be cut is cut by the coating removing tool 13a at the cutting position as shown in FIG. 3A. It is removed at a predetermined width. Here, the film removing tool 13a can adjust the protruding length from the pipe receiving roller 12a in accordance with the thickness of the film 7a of the pipe 7 to be cut. By 13a, the coating 7a at the cutting location is removed cleanly with a predetermined width.
【0021】またカム21により移動体20が保持体5
の軸心方向にガイド溝部17に沿って前進し、切断カッ
タ18によって被切断パイプ7が前記所定幅中において
切断される。この時前述した通り被切断パイプ7の切断
部分の被膜7aは、すでに被膜除去工具13aによって
除去されているので、切断面近傍に被膜7aの盛り上り
部や巻き込み部が生じることなく、高品質の切断パイプ
が得られる。
The moving body 20 is moved by the cam 21 to the holding body 5.
The pipe 7 to be cut is cut within the predetermined width by the cutting cutter 18 by moving forward along the guide groove 17. At this time, as described above, since the coating 7a of the cut portion of the pipe 7 to be cut has already been removed by the coating removing tool 13a, high quality and high quality can be obtained without any swelling or entanglement of the coating 7a near the cut surface. A cutting pipe is obtained.
【0022】切断が完了すると制御装置によってカム1
5a、15b、21が駆動され、移動体11a、11
b、20が移動してパイプ受けローラ12a、12b及
び切断カッタ18は原位置に復帰する。所定長に切断さ
れた被切断パイプは取り出されるが、さらに被切断パイ
プ7に切断個所がある場合には、被切断パイプ7はパイ
プ送入装置(図示せず)によって切断個所が切断カッタ
18と被膜除去工具13aに対向する位置となるまで移
送される。そして前述と同様にして被切断パイプ7の切
断が行われる。
When the cutting is completed, the cam 1 is controlled by the control device.
5a, 15b, 21 are driven, and the moving bodies 11a, 11
The b and 20 move, and the pipe receiving rollers 12a and 12b and the cutting cutter 18 return to their original positions. The pipe to be cut, which has been cut to a predetermined length, is taken out. If the pipe to be cut 7 further has a cutting point, the pipe to be cut 7 is cut by a pipe feeding device (not shown) into a cutting cutter 18. It is transported until it comes to a position facing the film removing tool 13a. Then, the pipe 7 to be cut is cut in the same manner as described above.
【0023】このようにして一本の被切断パイプ7の切
断がすべて完了すると、パイプ送入装置によって保持体
5の挿通開口6に次の被切断パイプが送り込まれて同様
の切断動作が繰り返される。
When the cutting of one pipe 7 to be cut is completed in this way, the next pipe to be cut is fed into the insertion opening 6 of the holder 5 by the pipe feeding device, and the same cutting operation is repeated. .
【0024】以上に説明したように、実施例によると、
例えば樹脂材の被膜7aを有する被切断パイプ7の切断
に際して、切断面の近傍に被膜7aの盛り上り部や巻き
込み部が生じることがなく、高品質の、被膜を有する切
断パイプが得られる。
As described above, according to the embodiment,
For example, when cutting the pipe to be cut 7 having the coating 7a of the resin material, a raised portion or a entangled portion of the coating 7a does not occur near the cut surface, and a high quality cut pipe having the coating can be obtained.
【0025】なお、実施例では被膜除去工具を1個具備
した場合を説明したが、本発明は実施例に限定されるも
のでなく、例えば被膜除去工具を複数個具備させること
もできる。
Although the embodiment has been described with reference to the case where one film removing tool is provided, the present invention is not limited to the embodiment, and for example, a plurality of film removing tools may be provided.
【0026】[0026]
【発明の効果】本発明では、被膜除去工具で被切断パイ
プの被膜を除去すると共に、切断カッタで被切断パイプ
を切断するので、切断面近傍に被膜の盛り上りやバリ部
が生ずることがなく、切断面が綺麗な高品質の、被膜を
有する切断パイプが得られる。
According to the present invention, since the coating of the pipe to be cut is removed by the coating removal tool and the pipe to be cut is cut by the cutting cutter, the swelling of the coating and the burr portion do not occur near the cut surface. A high quality cut pipe having a coating with a clean cut surface can be obtained.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明のパイプ切断装置の一実施例を説明する
正面図である。
FIG. 1 is a front view illustrating an embodiment of a pipe cutting device of the present invention.
【図2】図1の側面説明図である。FIG. 2 is an explanatory side view of FIG. 1;
【図3a】動作状態の説明図である。FIG. 3a is an explanatory diagram of an operation state.
【図3b】動作状態の他の説明図である。FIG. 3b is another explanatory diagram of the operating state.
【図4】従来技術の拡大断面図である。1 基台 2 支持体 3 ベアリング 5 保持体 6 挿通開口 7 被切断パイプ 7a 被膜 10a、10b ガイド溝部 11a、11b 移動体 12a、12b パイプ受けローラ 13a 被膜除去工具 15a、15b カム 17 ガイド溝 18 切断カッタ 20 移動体 25a、25b パイプ固定クランプFIG. 4 is an enlarged sectional view of the prior art. Reference Signs List 1 base 2 support 3 bearing 5 holder 6 insertion opening 7 pipe to be cut 7a coating 10a, 10b guide groove 11a, 11b moving body 12a, 12b pipe receiving roller 13a coating removal tool 15a, 15b cam 17 guide groove 18 cutting cutter 20 Moving body 25a, 25b Pipe fixing clamp

Claims (3)

    (57)【特許請求の範囲】(57) [Claims]
  1. 【請求項1】 被膜を有する被切断パイプを固定し、前
    記被切断パイプに対して、該パイプの軸心を中心に回転
    しながら被膜除去工具を前記被切断パイプに向けて移動
    させて、切断位置の前記被膜の所定幅を円周方向に除去
    すると共に、切断カッタを移動させて、前記被切断パイ
    プを前記所定幅中において切断することを特徴とするパ
    イプ切断方法。
    1. A pipe to be cut having a coating is fixed, and a coating removal tool is moved toward the pipe to be cut while rotating about the axis of the pipe with respect to the pipe to be cut. A pipe cutting method, comprising removing a predetermined width of the coating at a position in a circumferential direction, moving a cutting cutter, and cutting the pipe to be cut within the predetermined width.
  2. 【請求項2】 その軸心位置に挿通され且つ固定された
    被切断パイプの軸心を中心に回転される保持体と、この
    保持体に半径方向に進退自在に設けられ且つ外周面に所
    定幅を有する被膜除去工具と、前記保持体に半径方向に
    進退自在に設けられた切断カッタと、前記保持体を前記
    軸心を中心に回転し、前記被膜除去工具を保持された被
    切断パイプ方向に前進させて、切断位置の前記被切断パ
    イプの被膜の所定幅を円周方向に除去すると共に、前記
    切断カッタを前記被切断パイプ方向に前進させて前記所
    定幅中において被切断パイプを切断するように駆動制御
    を行う制御装置とを有することを特徴とするパイプ切断
    装置。
    2. A holding member inserted around the axis and rotated about the axis of the pipe to be cut, and a holder provided on the holding member so as to be able to advance and retreat in the radial direction and having a predetermined width on the outer peripheral surface. A film removing tool having a cutting cutter provided in the holder so as to be able to advance and retreat in the radial direction, and rotating the holder about the axis, in a direction of a pipe to be cut holding the film removing tool. By moving forward, the predetermined width of the coating of the pipe to be cut at the cutting position is removed in the circumferential direction, and the cutting cutter is advanced in the direction of the pipe to be cut to cut the pipe to be cut within the predetermined width. And a control device for performing drive control.
  3. 【請求項3】 請求項2に記載のパイプ切断装置に、被
    切断パイプを両端部で保持固定するパイプ固定クランプ
    が具備されていることを特徴とするパイプ切断装置。
    3. The pipe cutting apparatus according to claim 2, further comprising a pipe fixing clamp for holding and fixing the pipe to be cut at both ends.
JP15264991A 1991-05-28 1991-05-28 Pipe cutting method and pipe cutting device Expired - Fee Related JP3149204B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15264991A JP3149204B2 (en) 1991-05-28 1991-05-28 Pipe cutting method and pipe cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15264991A JP3149204B2 (en) 1991-05-28 1991-05-28 Pipe cutting method and pipe cutting device

Publications (2)

Publication Number Publication Date
JPH04354613A JPH04354613A (en) 1992-12-09
JP3149204B2 true JP3149204B2 (en) 2001-03-26

Family

ID=15545040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15264991A Expired - Fee Related JP3149204B2 (en) 1991-05-28 1991-05-28 Pipe cutting method and pipe cutting device

Country Status (1)

Country Link
JP (1) JP3149204B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3723919B2 (en) * 1995-10-31 2005-12-07 イハラサイエンス株式会社 Pipe cutter
JP4456208B2 (en) * 1999-10-13 2010-04-28 株式会社三五 Spinning processing equipment
JP4472071B2 (en) * 1999-11-15 2010-06-02 日本スピンドル製造株式会社 Drawing machine
DE10212309C1 (en) * 2002-03-20 2003-02-13 Erbsloeh Aluminium Gmbh Separation method for aluminium or aluminium alloy flat tubular profiles has solder coating removed from flat tubular profile at separation point before separation
WO2017113419A1 (en) * 2015-12-31 2017-07-06 深圳市大富方圆成型技术有限公司 Tube cutting apparatus and cutting method

Also Published As

Publication number Publication date
JPH04354613A (en) 1992-12-09

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