JPH0241228A - Bending jig for pipe - Google Patents
Bending jig for pipeInfo
- Publication number
- JPH0241228A JPH0241228A JP19091788A JP19091788A JPH0241228A JP H0241228 A JPH0241228 A JP H0241228A JP 19091788 A JP19091788 A JP 19091788A JP 19091788 A JP19091788 A JP 19091788A JP H0241228 A JPH0241228 A JP H0241228A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- bending
- bent
- jig
- bending jig
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 description 11
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
Description
【発明の詳細な説明】
（産業上の利用分升）
本発明は、フッソ樹脂製パイプの曲げ加工に適用して１
、νに有効な技術に関するものである。Detailed Description of the Invention (Industrial Application) The present invention is applied to the bending process of fluorine resin pipes.
, ν.
（従来の技術）
フッソ樹脂製バイブの曲げ加工には、従来、火炎等を用
い局部的にパイプを加熱し、パイプを軟化させて曲げ加
工を行う方法、もしくは、柔軟な棒をパイプに差し込み
、−度鋭角に曲げたあと、少し鈍角にもどして柔軟な棒
を引き抜き、手作業にて直角にパイプを曲げる方法があ
る。(Prior art) Conventionally, fluorocarbon resin vibrators are bent using a method of locally heating the pipe using flame or the like to soften the pipe and bending the pipe, or by inserting a flexible rod into the pipe. -There is a method of bending the pipe at an acute angle, then returning it to a slightly obtuse angle, pulling out a flexible rod, and manually bending the pipe at a right angle.
（発明が解決しようとする問題点）
ところが、前者の曲げ加工は、パイプの片側を加熱しな
がら徐々に曲げていく為、時間がかがり、さらに熟練を
要する。また、後者の曲げ加工はパイブの曲げ角度を一
度鈍角に戻したあとパイプを引き抜＜Ａ、どうしても曲
げアールが大きくなり。(Problems to be Solved by the Invention) However, the former bending process involves gradually bending one side of the pipe while heating it, which takes time and requires more skill. Also, in the latter bending process, the bending angle of the pipe must be returned to an obtuse angle, and then the pipe must be pulled out <A, which inevitably results in a large bending radius.
小さな曲げアール、またはＵ字型の曲げ加工を行うこと
は出来ない。It is not possible to perform small bending radius or U-shaped bending.
本発明は前記問題点に着目してなされたものであり、そ
の目的は安全かつ簡易に小さな曲げアール、またはＵ字
型の曲げ加工が出来るパイプの曲げ技術を提供すること
にある。The present invention has been made in view of the above-mentioned problems, and its purpose is to provide a pipe bending technique that can safely and easily bend a pipe into a small bending radius or a U-shape.
本発明の前記ならびにその他の目的と新規な特徴は、本
明細書の記述および添付図面から明らかになるであろう
。The above and other objects and novel features of the present invention will become apparent from the description of this specification and the accompanying drawings.
（問題点を解決するための手段）
本願において開示される発明のうち代表的なものの概要
を簡単に説明すれば、次の通りである。(Means for Solving the Problems) A brief overview of typical inventions disclosed in this application is as follows.
すなわち、パイプの曲げ治具を、曲げ加工を行うパイプ
の内径と同略寸法の外径を有する柔軟な棒と、曲げ加工
を行うパイプの外径と同略寸法の幅の沼を有するガイド
のｔＭ成とするものである。In other words, the pipe bending jig consists of a flexible rod having an outer diameter approximately equal to the inner diameter of the pipe to be bent, and a guide having a width approximately equal to the outer diameter of the pipe to be bent. tM composition.
（作用）
１１；１記した手段によれば、曲げ加工を行うパイプの
内径と外径を保持した状態で曲げたあと、曲げた状態を
保ちながらパイプを引き抜くことができ、火炎等を用い
るよりは簡易かつ安全にパイプの曲げ加工ができる。ま
た、柔軟な棒を差し込んで一度鋭角に曲げ、鈍角に戻し
てパイプを引き抜き、手加工により曲げるパイプの曲げ
加工より、小さなアール、Ｕ字型の曲げ加工が可能とな
る。(Function) 11; According to the method described in 1, after bending the pipe while maintaining its inner and outer diameters, the pipe can be pulled out while maintaining the bent state, which is easier than using flame etc. allows you to easily and safely bend pipes. Furthermore, it is possible to bend a small radius or U-shape compared to pipe bending, which involves inserting a flexible rod, bending it to an acute angle, returning it to an obtuse angle, pulling out the pipe, and bending it by hand.
（実施例）
第１図は本発明の一実施例であるパイプの曲げ治具（イ
）を示す概略説明図、第２図はその断面図、第３図は本
発明の一実施例であるパイプの曲げ治具（ロ）を示す概
略説明図、第４図はそのＩ！ｔｌ１面図、第５図（ａ）
〜（ｄ）は本実施例の曲げ治具（イ）、（ロ）を用いた
曲げ方法を順次示す説明図である。(Example) Fig. 1 is a schematic explanatory diagram showing a pipe bending jig (A) which is an embodiment of the present invention, Fig. 2 is a sectional view thereof, and Fig. 3 is an embodiment of the present invention. A schematic explanatory diagram showing the pipe bending jig (b), Figure 4 is the I! tl1 view, Figure 5(a)
- (d) are explanatory diagrams sequentially showing the bending method using the bending jigs (a) and (b) of this embodiment.
本実施例のパイプの曲げ治具は、曲げ治具（イ）３およ
び曲げ治具（ロ）６より構成される０曲げ治具（イ）３
はロー１２の外側をフッソ樹脂１で被覆した柔軟性のあ
る棒で、外径が曲げ加工を行うパイプの内径と同略寸法
で出来ている０曲げ治具（ロ）６は曲げ加工を行うパイ
プの外径と同略寸法の幅の講４を有した金属のガイドで
、渦４の周囲には滑り止め５がついている。また、溺４
の端部は湾曲しており、満４と反対側の端部は底辺が広
がっている。The pipe bending jig of this embodiment is composed of a bending jig (A) 3 and a bending jig (B) 6.
is a flexible rod whose outside is coated with fluorocarbon resin 1, and the bending jig (b) 6, whose outer diameter is approximately the same as the inner diameter of the pipe to be bent, performs the bending process. It is a metal guide having a width 4 having a width approximately equal to the outer diameter of the pipe, and a non-slip 5 is attached around the vortex 4. Also, drowning 4
The end of the 4 is curved, and the end opposite to the 4 has a wide base.
次に、本治具を用いたパイプの曲げ方法について説明す
る。まず始めに第５図（ａ）に示すように、曲げ治具（
イ）３の一部をを曲げ加工を行うパイプ７の中に差し込
んだ状態で、曲げ治ｒ５：（ロ）６の満４に入れる６次
に、第５図（ｂ）に示すように曲げ治具（ロ）６の溝４
の湾曲した端部を使って曲げたあと、第５図（Ｃ）に示
すように曲げ治具（イ）３を差しこんだパイプ７と曲げ
治具（ロ）６を片手で押さえ、もう一方の手で曲げ治具
（イ）３を握り、パイプを曲げた状態で曲げ治具（イ）
３を引き抜き、パイプの曲げ加工を行う。Next, a method of bending a pipe using this jig will be explained. First, as shown in Figure 5(a), use a bending jig (
B) With part of 3 inserted into the pipe 7 to be bent, insert it into the bending jig r5: (B) 6. Next, bend as shown in Figure 5 (b). Groove 4 of jig (b) 6
After bending using the curved end of the pipe, hold the pipe 7 into which the bending jig (A) 3 is inserted and the bending jig (B) 6 with one hand, as shown in Fig. 5 (C), and hold the bending jig (B) 6 with one hand, and with the other hand. Hold the bending jig (A) 3 with your hand, and hold the bending jig (A) while bending the pipe.
3 is pulled out and the pipe is bent.
このように、本実施例によれば、以下の効果をｔ：）る
ことか出来る。As described above, according to this embodiment, the following effects can be achieved.
（］）曲げ加工を行うパイプの内側にパイプの内径と同
略寸法の棒を差し込み、パイプの外側をパイプの外径と
同略寸法の幅の溝でガイドすることにより小さな曲げア
ールでもパイプの内径を一定に保った状７ｒＪでパイプ
を曲げることができる。(]) By inserting a rod with approximately the same dimensions as the inside diameter of the pipe into the inside of the pipe to be bent, and guiding the outside of the pipe with a groove with a width approximately the same as the outside diameter of the pipe, even small bending radiuses can be achieved. The pipe can be bent at 7rJ while keeping the inner diameter constant.
（２）ガイドの端部の湾曲した溝に曲げ加工を行うパイ
プの曲げた部分をあてることにより曲げ角８１ト保ちな
がらパイプを引き抜くことができる。(2) By applying the bent portion of the pipe to be bent to the curved groove at the end of the guide, the pipe can be pulled out while maintaining the bending angle of 81.
（３）ガイドの講の表面の滑り止めにより、曲げ加工を
行うパイプを引き抜く時、パイプが滑るのを防止できる
。(3) The anti-slip surface of the guide can prevent the pipe from slipping when pulling out the pipe to be bent.
以上本発明者によってなされた発明を実施例に基づき具
体的に説明したが、本発明は前記実施例に限定されるも
のではなく、その要旨を逸脱しない範囲で踵々変更可能
であることはいうまでもない、たとえば、曲げ治具（イ
）３はフッソ樹脂製の棒でもよく、曲げ治具（ロ）６は
樹脂製のガイドでもよい。Although the invention made by the present inventor has been specifically explained based on the examples above, the present invention is not limited to the examples described above, and it is possible to make various changes without departing from the gist of the invention. Needless to say, for example, the bending jig (a) 3 may be a rod made of fluorine resin, and the bending jig (b) 6 may be a guide made of resin.
（発明の効果）
本願において開示される発明のうち代表的なものによっ
て得られる効果を簡単に説明すれば、下記の通りである
。(Effects of the Invention) A brief explanation of the effects obtained by typical inventions disclosed in this application is as follows.
すなわち、パイプの曲げ治具を、曲げ加工を行うパイプ
の内径と同略寸法の外径を有する柔軟な棒と、曲げ加工
を行うパイプの外径と同略寸法の幅の清を有するガイド
の構成とすることにより、パイプの内側と外側を保持し
た状態で曲げたあと、曲げた状！ぶを保ちながらパイプ
を引き抜くことができ、火炎等を用いるよりは簡易かつ
安全にパイプの曲げ加工ができる。また、柔軟な棒を差
し込んで一度鋭角に曲げ、鈍角に戻してパイプを引き抜
き、手加工により曲げるパイプの曲げ加工より、小さな
アール、Ｕ字型の曲げ加工が可能となる。In other words, the pipe bending jig consists of a flexible rod having an outer diameter approximately equal to the inner diameter of the pipe to be bent, and a guide having a width approximately equal to the outer diameter of the pipe to be bent. By making it into a structure, after bending with the inside and outside of the pipe held, the bent state! The pipe can be pulled out while maintaining its shape, making it easier and safer to bend the pipe than using flames or the like. Furthermore, it is possible to bend a small radius or U-shape compared to pipe bending, which involves inserting a flexible rod, bending it to an acute angle, returning it to an obtuse angle, pulling out the pipe, and bending it by hand.
第１図は本発明の一実施例であるパイプの曲げ治具（イ
）３を示す概略説明図、
第２図はその断面図、
第３図は本発明の一実施例であるパイプの曲げ治具（ロ
）６を示す概略説明図、
第４図はその側面図、
第５図（ａ）〜（ｄ）は本実施例の曲げ治具（イ）３、
（ロ）６を用いた曲げ方法を順次示す説明図である。
１・・・フッソ樹脂、２・・・ロープ、３・・・曲げ治
具（イ）、４・・・溝、５・・・滑り止め、６・・・曲
げ治具（ロ）、７・・・パイプ。
第３図
Ｙ
閏
￥２０
第斗凶
（α）
（ｂンFig. 1 is a schematic explanatory diagram showing a pipe bending jig (A) 3 which is an embodiment of the present invention, Fig. 2 is a sectional view thereof, and Fig. 3 is a pipe bending jig which is an embodiment of the present invention. A schematic explanatory diagram showing the jig (b) 6, FIG. 4 is a side view thereof, and FIGS. 5(a) to (d) are the bending jig (a) 3 of this embodiment,
(b) It is explanatory drawing which sequentially shows the bending method using 6. DESCRIPTION OF SYMBOLS 1... Fluorine resin, 2... Rope, 3... Bending jig (a), 4... Groove, 5... Anti-slip, 6... Bending jig (b), 7... ··pipe. Fig. 3 Y Leap ¥20 No. 20 (α)
Claims (1)
寸法の外径を有する柔軟な棒を差し込み、所定の角度方
向に折曲したあと、所定の角度を保ちながら差し込んだ
棒を引き抜き、パイプの曲げ加工を行うパイプの曲げ治
具。 ２、曲げ加工を行うパイプの内径と同略寸法の外径を有
する柔軟な棒と、曲げ加工を行うパイプの外径と同略寸
法の幅の溝を有するガイドで構成することを特徴とする
特許請求の範囲第１項記載のパイプの曲げ治具。 ３、前記柔軟な棒の材質がフッ素樹脂であることを特徴
とする特許請求の範囲第１項記載のパイプの曲げ治具。 ４、前記ガイドの端部が湾曲していることを特徴とする
特許請求の範囲第２項記載のパイプの曲げ治具。 ５、前記ガイドが滑り止めを有することを特徴とする特
許請求の範囲第２項記載のパイプの曲げ治具。[Claims] 1. A flexible rod having an outer diameter approximately the same as the inner diameter of the pipe is inserted into the inside of the pipe to be bent, and after being bent in a predetermined angle direction, while maintaining the predetermined angle. A pipe bending jig that bends the pipe by pulling out the inserted rod. 2. It is characterized by being composed of a flexible rod having an outer diameter approximately equal to the inner diameter of the pipe to be bent, and a guide having a groove having a width approximately equal to the outer diameter of the pipe to be bent. A pipe bending jig according to claim 1. 3. The pipe bending jig according to claim 1, wherein the material of the flexible rod is fluororesin. 4. The pipe bending jig according to claim 2, wherein the end of the guide is curved. 5. The pipe bending jig according to claim 2, wherein the guide has a non-slip surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19091788A JPH0241228A (en) | 1988-07-30 | 1988-07-30 | Bending jig for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19091788A JPH0241228A (en) | 1988-07-30 | 1988-07-30 | Bending jig for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241228A true JPH0241228A (en) | 1990-02-09 |
Family
ID=16265855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19091788A Pending JPH0241228A (en) | 1988-07-30 | 1988-07-30 | Bending jig for pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100774522B1 (en) * | 2005-12-20 | 2007-11-08 | 주식회사 디엠에스 | Method for fabricating electrode of external electrode fluorescent lamp and external electrode fluorescent lamp using the same |
-
1988
- 1988-07-30 JP JP19091788A patent/JPH0241228A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100774522B1 (en) * | 2005-12-20 | 2007-11-08 | 주식회사 디엠에스 | Method for fabricating electrode of external electrode fluorescent lamp and external electrode fluorescent lamp using the same |
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