JPH08168918A - Pipe cutting method and pipe cutter - Google Patents
Pipe cutting method and pipe cutterInfo
- Publication number
- JPH08168918A JPH08168918A JP6313892A JP31389294A JPH08168918A JP H08168918 A JPH08168918 A JP H08168918A JP 6313892 A JP6313892 A JP 6313892A JP 31389294 A JP31389294 A JP 31389294A JP H08168918 A JPH08168918 A JP H08168918A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cutting
- cut
- clamp mechanism
- feeding
- 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
Landscapes
- Accessories And Tools For Shearing Machines (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
【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 device.
【０００２】[0002]
【従来の技術】長尺のパイプから所定の長さの部材を複
数個切り取るパイプレーザＣＮＣ切断機の如きパイプ切
断装置では、図５に示すように、長尺のパイプ１を図示
されてない送給機構によって一方（図示左方）から他方
（図示右方）に送給して位置決めしたあと、クランプ機
構２でパイプ１を把持し、クランプ機構２よりも送給方
向下流側（図示右側）に配したレーザ切断機構３でパイ
プ１を切断する。2. Description of the Related Art In a pipe cutting apparatus such as a pipe laser CNC cutting machine for cutting a plurality of members having a predetermined length from a long pipe, as shown in FIG. After feeding and positioning from one side (left side in the figure) by the mechanism to the other side (right side in the figure), the clamp mechanism 2 grips the pipe 1 and distributes it to the downstream side (right side in the figure) of the clamp mechanism 2 in the feeding direction. The laser cutting mechanism 3 cuts the pipe 1.
【０００３】部材４の所定長さをＬとし、クランプ機構
２とレーザ切断機構３との距離をａとすると、部材４を
切り取ったあとの残りのパイプ長さｂがＬ＋ａより短い
場合には、残りのパイプ長さｂから長さＬの部材を切り
取ることはできない。When the predetermined length of the member 4 is L and the distance between the clamp mechanism 2 and the laser cutting mechanism 3 is a, when the remaining pipe length b after cutting the member 4 is shorter than L + a, It is not possible to cut a member having a length L from the remaining pipe length b.
【０００４】[0004]
【発明が解決しようとする課題】上記従来の技術では、
レーザ切断機構３の位置がクランプ機構２よりも送給方
向下流側に限定されていたため、残りのパイプ長さｂの
分だけ材料が無駄になってしまうという問題点があっ
た。SUMMARY OF THE INVENTION In the above conventional technique,
Since the position of the laser cutting mechanism 3 is limited to the downstream side of the clamp mechanism 2 in the feeding direction, there is a problem that the material is wasted by the remaining pipe length b.
【０００５】そこで本発明は残りのパイプ長さｂが所定
の長さＬ以上のときには、この残りの部分から所定の長
さＬの部材を切り取って、ｂ−Ｌ＝ｃの長さだけを端材
長として、有効な材料取りができるパイプ切断方法とパ
イプ切断装置を提供することを目的とする。Therefore, according to the present invention, when the remaining length b of the pipe is equal to or longer than the predetermined length L, a member having the predetermined length L is cut out from the remaining portion, and only the length b−L = c is terminated. An object of the present invention is to provide a pipe cutting method and a pipe cutting device that can effectively take a material as a material length.
【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、請求項１のパイプ切断方法は、長尺のパイプ（１）
を長手方向に送給位置決めし、クランプ機構（２）で把
持し、切断機構（３）で所定の長さに切断するパイプ切
断方法において、切断機構（３）の位置をクランプ機構
（２）の送給方向上流側の第１の切断位置と送給方向下
流側の第２の切断位置に変えて切断するようにしたこと
を特徴とするものである。In order to achieve the above object, the pipe cutting method according to claim 1 is a long pipe (1).
In the pipe cutting method in which the pipe is fed and positioned in the longitudinal direction, grasped by the clamp mechanism (2), and cut into a predetermined length by the cutting mechanism (3), the position of the cutting mechanism (3) is set to that of the clamp mechanism (2). It is characterized in that the first cutting position on the upstream side in the feeding direction and the second cutting position on the downstream side in the feeding direction are changed to perform the cutting.
【０００７】請求項２のパイプ切断装置は、長尺のパイ
プ（１）を送給機構（５）によって位置決めしたあとに
クランプ機構（２）で把持し、切断機構（３）でパイプ
を切断するパイプ切断装置において、切断機構（３）が
パイプ（１）の長手軸方向に、クランプ機構（２）の両
側へ移動可能に設けられたことを特徴とするものであ
る。In the pipe cutting device of the second aspect, the long pipe (1) is positioned by the feeding mechanism (5), then held by the clamp mechanism (2), and cut by the cutting mechanism (3). In the pipe cutting device, the cutting mechanism (3) is provided so as to be movable in the longitudinal axis direction of the pipe (1) to both sides of the clamp mechanism (2).
【０００８】請求項１のパイプ切断方法や、請求項２の
パイプ切断装置では、切断機構（３）の位置を、クラン
プ機構（２）の送給方向上流側の第１の位置と、送給方
向下流側の第２の位置との両方を使い分けて使うこと
で、残材を少なくして、有効に材料取りができる。In the pipe cutting method according to claim 1 and the pipe cutting device according to claim 2, the position of the cutting mechanism (3) is set to the first position on the upstream side in the feeding direction of the clamp mechanism (2) and the feeding position. By selectively using both the second position on the downstream side in the direction, the remaining material can be reduced and the material can be effectively removed.
【０００９】[0009]
【実施例】図１は本発明のパイプ切断方法を説明する図
で、図５の従来技術と比較して、切断機構３がクランプ
機構２の送給側上流の第２の切断位置をとり得るように
設けてある。1 is a diagram for explaining the pipe cutting method of the present invention, in which the cutting mechanism 3 can take a second cutting position upstream of the feeding side of the clamp mechanism 2 as compared with the prior art of FIG. It is provided as follows.
【００１０】レーザ切断機構３を符号３で示す第１の切
断位置において、パイプ１を切断して部材４を切り取っ
たあと、符号３′で示す第２の切断位置において、パイ
プ１を切断すると符号４′で示す部材を余分に切り取る
ことができる。部材４′は所定の長さＬを有する。従っ
て端材は長さｃだけとなる。When the laser cutting mechanism 3 is cut at the first cutting position indicated by reference numeral 3, the pipe 1 is cut and the member 4 is cut off, and then the pipe 1 is cut at the second cutting position indicated by reference numeral 3 '. The member indicated by 4'can be cut off in excess. The member 4'has a predetermined length L. Therefore, the length of the scrap material is only c.
【００１１】他の部分は図５の従来技術と同じである。
なお、パイプ１を図示位置に送給してクランプ機構２で
把持したあとは、パイプ１を第１の切断位置で先ず切断
しても、第２の切断位置で先ず切断してもよく、順序は
問わない。The other parts are the same as in the prior art shown in FIG.
After feeding the pipe 1 to the illustrated position and gripping it with the clamp mechanism 2, the pipe 1 may be first cut at the first cutting position or first at the second cutting position. It doesn't matter.
【００１２】図２〜図４は本発明のパイプ切断装置の実
施例で、１は長尺の金属パイプ、２はクランプ機構、３
はレーザ切断機構としてのレーザ切断ノズル、５は送給
装置、６は傾斜した第１の製品受け、７は第２の製品受
けである。2 to 4 show an embodiment of the pipe cutting apparatus of the present invention, 1 is a long metal pipe, 2 is a clamp mechanism, 3
Is a laser cutting nozzle as a laser cutting mechanism, 5 is a feeder, 6 is an inclined first product receiver, and 7 is a second product receiver.
【００１３】先ず、パイプ１を送給装置５で送給し、ク
ランプ装置２でパイプを把持し、クランプ装置２でパイ
プを軸心回りに回転させながら、レーザ切断ノズル３を
パイプ２の軸心方向にわずかに移動させて、パイプ１の
右端を切断する。このときのパイプ１の右端の切断形状
を図１（ｂ）に示す。軸心Ｘに直角な部分８、９と、そ
の間の傾斜部分１０とで切断面が形成されている。First, the pipe 1 is fed by the feeding device 5, the pipe is gripped by the clamp device 2, and the laser cutting nozzle 3 is moved by the clamp device 2 while rotating the pipe about its axis. Cut the right end of the pipe 1 by moving it slightly in the direction. The cut shape of the right end of the pipe 1 at this time is shown in FIG. A cut surface is formed by the portions 8 and 9 perpendicular to the axis X and the inclined portion 10 therebetween.
【００１４】次に、クランプ機構２を緩め、送給装置５
でパイプ１を右方へ移動させた後、クランプ機構２で把
持し、図３に示す位置で、パイプ１をレーザ切断ノズル
３で切断する。こうして所定長Ｌ1 （＝７４８．３ｍ
ｍ）の部材（製品）４が切り取られる。なお、図２、図
３で符号Ａはクランプ機構２の軸心方向の長さで３８
５．５ｍｍである。Next, the clamp mechanism 2 is loosened, and the feeding device 5
After moving the pipe 1 to the right with, the clamp mechanism 2 holds the pipe 1, and the laser cutting nozzle 3 cuts the pipe 1 at the position shown in FIG. Thus, the predetermined length L 1 (= 748.3m
The member (product) 4 of m) is cut off. In FIG. 2 and FIG. 3, reference character A is the length of the clamp mechanism 2 in the axial direction.
It is 5.5 mm.
【００１５】部材４は、図２（ｂ）に示す一方の先端の
部分８、９、１０と対称的な他方の先端部分８′、
９′、１０′を有する形状で全長が所定長Ｌ1 （７４
８．３ｍｍ）で部分９から部分８′までが長さＬ2 （＝
６４８．３ｍｍ）である（図３（ｂ））。The member 4 has another tip portion 8 ', which is symmetrical with the tip portions 8, 9, 10 shown in FIG. 2 (b).
It has a shape with 9 ', 10' and a total length of L 1 (74
8.3 mm), the length from the portion 9 to the portion 8'is L 2 (=
648.3 mm) (Fig. 3 (b)).
【００１６】次に図４に示すように、レーザ切断ノズル
を符号３′に示す位置に移動させて、部材４′を切り取
る。切断部の斜面は前記部材４の場合と逆向きになって
いる。こうすることで、隣接する部材４と４′との間の
材料損失を少なくして、材料取りの効率を良くしてい
る。Next, as shown in FIG. 4, the laser cutting nozzle is moved to the position 3 ', and the member 4'is cut off. The slope of the cutting portion is in the opposite direction to that of the member 4. By doing so, the material loss between the adjacent members 4 and 4'is reduced and the efficiency of material removal is improved.
【００１７】また、図４のようにレーザ切断ノズルを符
号３′の位置に移動させて部材４′を切り取ることで、
従来技術ではできなかった部分４′を有効に活かして部
材（製品）として切り取ることができる。Further, as shown in FIG. 4, by moving the laser cutting nozzle to the position of reference numeral 3'and cutting out the member 4 ',
It is possible to cut out as a member (product) by effectively utilizing the portion 4'which could not be obtained by the conventional technique.
【００１８】なお、図４では長尺のパイプ１から最後の
部材４′を所定の長さで切り取る状態を示しているが、
次の長尺材料のパイプ１′が送給装置５で送給されてい
る状態を同時に示している。パイプ１′の全長Ｌ0 は６
５００ｍｍである。なお、上記実施例では切断機構にレ
ーザー光線による切断機構を用いたが、ウォータージェ
ット切断や、プラズマ切断を用いてもよく、同様の作用
効果が得られる。Although FIG. 4 shows a state in which the last member 4'is cut out from the long pipe 1 to a predetermined length,
At the same time, a state in which the pipe 1 ′ of the next long material is being fed by the feeding device 5 is shown. The total length L 0 of the pipe 1'is 6
It is 500 mm. In addition, although the cutting mechanism by the laser beam is used as the cutting mechanism in the above-mentioned embodiment, water jet cutting or plasma cutting may be used, and the same effect can be obtained.
【００１９】[0019]
【発明の効果】本発明のパイプ切断方法と装置は上述の
ように構成されているので、長尺のパイプから複数本の
部材を切り取るのに、端材を少なくして、材料取りの効
率を良くできる。Since the pipe cutting method and device of the present invention are constructed as described above, a plurality of members can be cut out from a long pipe by reducing the amount of scrap material and increasing the efficiency of material collection. I can do it well.
【００２０】また、レーザ切断機構を用いると、切断ノ
ズルの移動が容易に構成できるばかりでなく、切断速度
を上げられる。Further, when the laser cutting mechanism is used, not only the cutting nozzle can be easily moved, but also the cutting speed can be increased.
【図１】本発明のパイプ切断方法を示す略図である。FIG. 1 is a schematic view showing a pipe cutting method of the present invention.
【図２】本発明のパイプ切断装置の実施例で、（ａ）は
正面図、（ｂ）はパイプ切断部の拡大図である。FIG. 2 is an embodiment of the pipe cutting device of the present invention, (a) is a front view, (b) is an enlarged view of the pipe cutting portion.
【図３】図２の実施例の異なる態様で（ａ）は正面図、
（ｂ）はパイプ切断部の拡大図である。FIG. 3 (a) is a front view in a different mode from the embodiment of FIG.
(B) is an enlarged view of a pipe cutting part.
【図４】図２の実施例の異なる態様である。FIG. 4 is a different aspect of the embodiment of FIG.
【図５】従来のパイプ切断装置によるパイプ切断方法を
説明する略図である。FIG. 5 is a schematic view illustrating a pipe cutting method using a conventional pipe cutting device.
１、１′…パイプ ２…クランプ装置 ３、３′…切断機構（レーザ切断ノズル） 1, 1 '... Pipe 2 ... Clamping device 3, 3' ... Cutting mechanism (laser cutting nozzle)
Claims (3)
置決めし、クランプ機構（２）で把持し、切断機構
（３）で所定の長さに切断するパイプ切断方法におい
て、 切断機構（３）の位置をクランプ機構（２）の送給方向
上流側の第１の切断位置と送給方向下流側の第２の切断
位置に変えて切断するようにしたことを特徴とするパイ
プ切断方法。1. A pipe cutting method for feeding and positioning a long pipe (1) in the longitudinal direction, gripping it with a clamp mechanism (2), and cutting it into a predetermined length with a cutting mechanism (3). Pipe cutting, characterized in that the position of (3) is changed to a first cutting position on the upstream side in the feeding direction of the clamp mechanism (2) and a second cutting position on the downstream side in the feeding direction Method.
よって位置決めしたあとにクランプ機構（２）で把持
し、切断機構（３）でパイプを切断するパイプ切断装置
において、 切断機構（３）がパイプ（１）の長手軸方向に、クラン
プ機構（２）の両側へ移動可能に設けられたことを特徴
とするパイプ切断装置。2. A pipe cutting device for positioning a long pipe (1) by a feeding mechanism (5), holding it by a clamp mechanism (2), and cutting the pipe by a cutting mechanism (3). A pipe cutting device characterized in that (3) is provided so as to be movable in the longitudinal axis direction of the pipe (1) to both sides of the clamp mechanism (2).
機構であることを特徴とする請求項２記載のパイプ切断
機構。3. The pipe cutting mechanism according to claim 2, wherein the cutting mechanism (3) is a laser beam cutting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6313892A JPH08168918A (en) | 1994-12-19 | 1994-12-19 | Pipe cutting method and pipe cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6313892A JPH08168918A (en) | 1994-12-19 | 1994-12-19 | Pipe cutting method and pipe cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08168918A true JPH08168918A (en) | 1996-07-02 |
Family
ID=18046775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6313892A Pending JPH08168918A (en) | 1994-12-19 | 1994-12-19 | Pipe cutting method and pipe cutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08168918A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212883A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Equipment for clamping bracket pipe in laser micromachining |
| JP2017013194A (en) * | 2015-07-02 | 2017-01-19 | トヨタ紡織株式会社 | Ring cut out method and end material jig |
| CN109848582A (en) * | 2019-03-29 | 2019-06-07 | 济南金威刻科技发展有限公司 | A kind of bending sheets three-dimensional laser cutting machine |
| CN110480189A (en) * | 2019-09-18 | 2019-11-22 | 佛山市佛大华康科技有限公司 | A kind of laser cutting device applied to bend pipe cutting |
| CN111940922A (en) * | 2020-07-07 | 2020-11-17 | 龙世金 | Laser cutting machine for pipeline machining and cutting method thereof |
-
1994
- 1994-12-19 JP JP6313892A patent/JPH08168918A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212883A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Equipment for clamping bracket pipe in laser micromachining |
| JP2017013194A (en) * | 2015-07-02 | 2017-01-19 | トヨタ紡織株式会社 | Ring cut out method and end material jig |
| CN109848582A (en) * | 2019-03-29 | 2019-06-07 | 济南金威刻科技发展有限公司 | A kind of bending sheets three-dimensional laser cutting machine |
| CN110480189A (en) * | 2019-09-18 | 2019-11-22 | 佛山市佛大华康科技有限公司 | A kind of laser cutting device applied to bend pipe cutting |
| CN111940922A (en) * | 2020-07-07 | 2020-11-17 | 龙世金 | Laser cutting machine for pipeline machining and cutting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2065749A1 (en) | Tip processing method and tip processing apparatus for jacketed optical fibers | |
| BR9810692A (en) | Winding cutter to produce spools of material similar to the blade and associated process | |
| KR20010066768A (en) | non-chipping cutter apparatus for a pipe or shaft | |
| TW353803B (en) | Processing apparatus for substrates to be processed | |
| EP0824056A3 (en) | Dicing machine | |
| CA2054445A1 (en) | Multiple Blade Set Strip Apparatus for Cable and Wire | |
| ITFI920234A1 (en) | LOG BLOCKING DEVICE FOR CUTTING IN A CUTTING MACHINE AND CUTTING MACHINE INCLUDING THIS DEVICE | |
| TW354766B (en) | Catheter tip mold and cut process | |
| JPH08168918A (en) | Pipe cutting method and pipe cutter | |
| EP1199127A3 (en) | Underwater laser processing apparatus and underwater laser processing method | |
| JPS55117537A (en) | Method and apparatus for continuous, automatic formation of coil spring having hook at both ends | |
| EP0385315A3 (en) | Remaining bar material machining method for nc lathe | |
| CA2194540A1 (en) | Method and apparatus for sample and defect removal from a bore | |
| TW333477B (en) | Method for continuous rolling and apparatus therefor | |
| MX9602624A (en) | Method and apparatus for disposing linear body. | |
| SE8504160D0 (en) | DEVICE AND PROCEDURES IN THE CASE | |
| EP1000716A3 (en) | Workbench specially adapted for use as a saw horse | |
| EP1029607A3 (en) | Weld bead chopper | |
| JPH05104270A (en) | Laser beam processing method and its device | |
| JPH0727770Y2 (en) | Coating stripping device | |
| JP2002036090A (en) | Distance holder and cutting method using the holder | |
| JPS57158603A (en) | Tear-off method of coated optical fiber | |
| JPH11156636A (en) | Deburring device | |
| JPH03169212A (en) | Wire stripping method | |
| JP2002144156A (en) | Knurling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20001010 |