JP3278279B2 - Tube insertion device and method - Google Patents
Tube insertion device and methodInfo
- Publication number
- JP3278279B2 JP3278279B2 JP03655794A JP3655794A JP3278279B2 JP 3278279 B2 JP3278279 B2 JP 3278279B2 JP 03655794 A JP03655794 A JP 03655794A JP 3655794 A JP3655794 A JP 3655794A JP 3278279 B2 JP3278279 B2 JP 3278279B2
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- pipe
- small
- tube
- diameter pipe
- 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
Links
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、径の異なる2本の管の
一方に他方を挿入して両管を一体化するために使用する
管の挿着装置及び方法に関し、より詳細にはゴム管に保
護用インシュレーターを挿着する場合等に使用する管の
挿着装置及び方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for inserting two tubes having different diameters into one tube by inserting the other tube into the other tube. The present invention relates to an apparatus and a method for inserting a pipe used when a protective insulator is inserted into a pipe.
【0002】[0002]
【従来技術】各種管には外圧からの保護のためにインシ
ュレーター等の保護管が挿着されることが多い。該保護
管の挿着のために従来はインシュレーターをマンドレル
及び外筒で構成された治具内にセットし、下部より圧縮
空気を吹き出しかつ上部より保護されるべき管を挿入し
ていたが、この方法ではインシュレーターの先端及び管
先端を一致させる必要があった。又この挿着は手作業で
行う必要があり自動化を達成することが困難であった。2. Description of the Related Art In many cases, protective tubes such as insulators are inserted into various tubes to protect them from external pressure. Conventionally, an insulator is set in a jig composed of a mandrel and an outer cylinder to insert the protective tube, and compressed air is blown from a lower portion and a tube to be protected is inserted from an upper portion. The method required that the tip of the insulator be coincident with the tip of the tube. Also, this insertion must be performed manually, and it has been difficult to achieve automation.
【0003】[0003]
【発明が解決しようとする課題】このように従来の管挿
着装置では例えばゴム管の周囲に保護インシュレーター
を密着状態で挿着する場合には大径管と小径管とを端部
同士を整合させる必要があり、これを手作業で行わなけ
ればならないため人件費が掛かりかつ自動化の妨げとな
っていた。As described above, in the conventional pipe inserting apparatus, for example, when a protective insulator is tightly inserted around a rubber pipe, the ends of the large-diameter pipe and the small-diameter pipe are aligned. This has to be done manually, which is labor intensive and hinders automation.
【0004】[0004]
【発明の目的】本発明は、上記従来技術の課題を解決す
るためになされたもので、大径管と小径管の挿着の際に
両管の端部同士を整合させる必要がなく、従って挿着操
作を容易に行えかつ自動化をも可能にする管の挿着装置
を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and there is no need to align the ends of both large and small diameter pipes when inserting the small and large diameter pipes. An object of the present invention is to provide a tube insertion device that can easily perform an insertion operation and also enables automation.
【0005】[0005]
【問題点を解決するための手段】本発明は、挿着すべき
大径管の一端内に係合して該端部を拡径するための3個
以上の複数の拡径爪、該拡径爪内部に形成され空気を前
記拡径端内部に吹付けるための空気供給口、前記拡径端
側から前記大径管内に小径管を挿入し前記拡径爪内面及
び前記大径管内面に前記小径管を接触させるための挿入
手段、及び前記拡径爪を大径管及び小径管の接触部から
抜き出し前記大径管を前記小径管の周囲に密着状態で挿
着する引抜き手段を含んで成ることを特徴とする管の挿
着装置及び方法である。SUMMARY OF THE INVENTION The present invention relates to a plurality of expanding claws for engaging in one end of a large-diameter tube to be inserted and expanding the end of the large-diameter tube. An air supply port formed in the inside of the large-diameter claw for blowing air into the inside of the large-diameter end, a small-diameter pipe is inserted into the large-diameter pipe from the large-diameter end side, and the inside of the large-diameter claw and the large-diameter pipe are inserted into the inside. Insertion means for contacting the small-diameter pipe, and pull-out means for extracting the large-diameter claws from a contact portion between the large-diameter pipe and the small-diameter pipe, and inserting the large-diameter pipe in tight contact with the periphery of the small-diameter pipe. An apparatus and method for inserting a tube, comprising:
【0006】以下、本発明を詳細に説明する。前記目的
を達成するために本発明に係わる管挿着装置は、挿着す
べき大径管と小径管のうちの大径管の端部を拡径しかつ
該拡径部への小径管を円滑に行うために圧縮空気を供給
する空気供給口を具有する拡径及び空気吹付器を具備し
ている。該拡径及び空気吹付器は大径管及び小径管の長
さ方向及び直径方向へ移動する必要があり、この拡径及
び空気吹付器が接続される基体に固定する場合にも基体
を所定方向に移動することにより前記拡径及び空気吹付
器が同様に移動できるようにする。Hereinafter, the present invention will be described in detail. In order to achieve the above object, a pipe insertion device according to the present invention expands a diameter of an end of a large-diameter pipe of a large-diameter pipe and a small-diameter pipe to be inserted, and inserts a small-diameter pipe to the large-diameter section. It is equipped with a diameter expanding and air blowing device having an air supply port for supplying compressed air for smooth operation. The blower and air blower need to move in the longitudinal direction and the diametrical direction of the large-diameter tube and the small-diameter tube. Even when the expander and air blower are fixed to a base to be connected, the base is moved in a predetermined direction. To allow the expanded and air blasters to move as well.
【0007】使用する拡径及び空気吹付器の数を2個と
すると大径管に該拡径及び空気吹付器の拡径爪を係合し
て拡径する際に拡径方向と直角方向に前記大径管が縮小
するため、前記拡径及び空気吹付器の設置数は少なくと
も3個、望ましくは4個とする。前記拡径及び空気吹付
器の空気供給口は拡径した大径管端部の更に内側の部分
を拡径するように圧縮空気が大径管内面に吹付けられる
構造となるように前記拡径及び空気吹付器の拡径爪内を
貫通するよう形成する。If the number of diameter-expanding and air-blowing devices to be used is two, when the diameter-expanding claws of the diameter-expanding and air-blowing device are engaged with the large-diameter pipe, the diameter is increased in a direction perpendicular to the diameter-expanding direction. In order to reduce the size of the large-diameter pipe, the number of the large-diameter pipes and the air blowers should be at least three, preferably four. The air supply port of the diameter-expanding and air-blowing device is configured such that compressed air is blown onto the inner surface of the large-diameter pipe so as to expand the inner diameter of the end of the large-diameter pipe. And it is formed so as to penetrate the inside of the diameter expanding claw of the air blower.
【0008】この拡径爪を大径管の内端に係合しかつ外
向きの力を加えるとこの部分が拡径する。その後この箇
所に小径管を挿入すると拡径爪により拡径されている部
分だけでなく圧縮空気が吹付られ外向きの力が加わって
いる箇所も拡径しあるいは僅かな力のみで拡径するた
め、僅かな挿入力のみで挿着すべき小径管を円滑に所定
箇所まで移動させ、かつ拡径爪を引抜くことにより小径
管の周囲に密着状態で大径管を挿着できる。この拡径及
び空気吹付器及び拡径爪の形状は前述の通り大径管を拡
径しかつ圧縮空気をその内面に吹付けることができれば
特に限定されない。When the expanding claws are engaged with the inner end of the large-diameter tube and an outward force is applied, the diameter of this portion expands. After that, when a small diameter pipe is inserted into this part, not only the part expanded by the expanding claw but also the part where the outward force is applied by the compressed air is expanded or the diameter is expanded with only a small force. The small-diameter pipe to be inserted can be smoothly moved to a predetermined position with only a slight insertion force, and the large-diameter pipe can be inserted in close contact with the periphery of the small-diameter pipe by pulling out the expanding claws. The shape of the diameter expanding and air blowing device and the diameter expanding claw are not particularly limited as long as the diameter of the large diameter pipe can be expanded and the compressed air can be blown on the inner surface thereof as described above.
【0009】大径管は中空状であることは当然であるが
小径管は中空状だけでなく中実状つまり棒状であっても
良い。本発明装置はゴム管表面にインシュレーター等の
保護部材を被覆する際に最も好適に適用できるが、その
他の用途に使用することも可能である。本発明に係わる
管挿着装置を使用して大径管及び小径管の挿着を行う
と、従来のように両管を端部が整合していなくても挿着
が実施できるため従来のように手作業によらずに簡便か
つ確実に良好な密着状態の挿着管を得ることができ、そ
の結果挿着の自動化が可能になり作業の飛躍的な効率化
を達成できる。The large-diameter pipe is naturally hollow, but the small-diameter pipe may be not only hollow but also solid, that is, rod-shaped. The device of the present invention can be most suitably applied when a protective member such as an insulator is coated on the surface of a rubber tube, but can be used for other purposes. When a large-diameter pipe and a small-diameter pipe are inserted using the pipe insertion device according to the present invention, insertion can be performed even if the ends of both pipes are not aligned as in the conventional case, so that the conventional method can be used. Thus, the insertion tube in a good contact state can be obtained simply and reliably without manual operation, and as a result, the insertion can be automated and the work efficiency can be dramatically improved.
【0010】[0010]
【実施例】次に本発明に係わる管の挿着装置を添付図面
に示す一実施例に基づいて説明するが、本発明は該実施
例に限定されるものではない。図1は、本発明に係わる
管の挿着装置の一実施例を示す概略縦断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a pipe insertion apparatus according to the present invention. FIG. FIG. 1 is a schematic longitudinal sectional view showing one embodiment of a pipe insertion device according to the present invention.
【0011】管挿着装置1は、縦方向を向くドーナツ状
の基体2と該基体2の側面に固定された好ましくは計4
個(図中には3個のみを示している)の拡径及び空気吹
付器3から成っている。各拡径及び空気吹付器3は、直
角二等辺三角形状に切り欠かれた壁面と前記基体2の側
面間に形成された圧縮空気室4及びその内端部に基体2
とは逆方向に突出するよう連設された拡径爪5を有し、
該拡径爪5の内部には前記圧縮空気室4内の空気を前記
基体2とは反対方向に吹付けるための空気供給口6が形
成されている。前記拡径爪5は前記基体2に対する相対
位置が変わらないよう構成しても良いが、基体2の直径
方向に移動可能にしたりあるいは自由度を持って前記基
体2に接続することが望ましい。The pipe insertion device 1 has a donut-shaped base 2 facing in the vertical direction, and preferably a total of four donuts fixed to the side surfaces of the base 2.
(Only three are shown in the figure) and an air blower 3. Each of the diameter-expanding and air-blowing devices 3 includes a compressed air chamber 4 formed between a wall surface cut out in a right-angled isosceles triangular shape and a side surface of the base 2 and a base 2 at an inner end thereof.
Has a diameter-enlarging claw 5 continuously provided so as to protrude in the opposite direction to
An air supply port 6 for blowing air in the compressed air chamber 4 in a direction opposite to the base 2 is formed inside the enlarged diameter claw 5. The diameter-enlarging claw 5 may be configured so that its relative position with respect to the base 2 does not change. However, it is preferable that the diameter-enlarging claw 5 be movable in the diameter direction of the base 2 or be connected to the base 2 with a degree of freedom.
【0012】図2〜図5は図1の装置を使用して大径管
と小径管との挿着を行う要領を示す概略縦断面図であ
る。まず図2に示すように、前記管挿着装置1の拡径爪
5を大径管7の一端に係合しかつ拡径爪5を拡径及び空
気吹付器3と共に基体2の直径方向(外側)に向かって
移動させて前記端部を拡径し更に該大径管7の拡径端部
の周囲に締着用リング8を設置して大径管7を前記拡径
爪5に固定する。FIGS. 2 to 5 are schematic longitudinal sectional views showing how to insert a large-diameter pipe and a small-diameter pipe using the apparatus shown in FIG. First, as shown in FIG. 2, the expanding claws 5 of the pipe insertion device 1 are engaged with one end of the large-diameter pipe 7, and the expanding claws 5 are together with the expanding and air blowing device 3 in the diametrical direction of the base 2 ( (Outward) to expand the end, expand the end of the large-diameter tube 7, and install a fastening ring 8 around the enlarged end of the large-diameter tube 7 to fix the large-diameter tube 7 to the enlarged claws 5. .
【0013】次いで図3に示すように拡径爪5の空気供
給口6を通して圧縮空気室4内の空気を矢印で示すよう
に前記大径管7の拡径部より内方に吹付ける。それと同
時に前記大径管7の内径よりやや大きい外径を有する小
径管9を前記大径管7の拡径部方向から前記拡径爪5に
接触させることなく挿入する。この場合空気供給口6か
らの圧縮空気により大径管7内面の拡径爪5より他端側
で該拡径爪5に接触していない部分に圧縮空気が吹付け
られて外向きの力が加わるため、大径管7の前記拡径爪
5に接触していない部分も拡径しあるいは拡径しない場
合でも僅かな過剰な力により容易に拡径する状態となっ
ている。Next, as shown in FIG. 3, the air in the compressed air chamber 4 is blown inward from the enlarged portion of the large-diameter pipe 7 through the air supply port 6 of the enlarged diameter claw 5 as shown by an arrow. At the same time, a small-diameter pipe 9 having an outer diameter slightly larger than the inner diameter of the large-diameter pipe 7 is inserted from the enlarged-diameter portion of the large-diameter pipe 7 without contacting the enlarged-diameter claws 5. In this case, the compressed air from the air supply port 6 blows the compressed air to the portion of the inner surface of the large-diameter pipe 7 that is not in contact with the enlarged-diameter claw 5 on the other end side than the enlarged-diameter claw 5. Therefore, the portion of the large-diameter tube 7 that is not in contact with the enlarged-diameter claws 5 is expanded or easily expanded by a slight excessive force even when the diameter is not expanded.
【0014】従って前記大径管7に挿入される小径管9
は拡径爪5により拡径されている端部は勿論該端部より
内方でも挿入に対する抵抗力が小さく前記小径管9を容
易に所定位置まで挿入することができる。この状態では
小径管7の外面は拡径爪6の部分を除き前記大径管7の
内面に密着している。続いて前記拡径爪5に加わってい
た外向きの力を解除すると大径管7の弾力により前記拡
径爪5は内向きに移動して図4に示すように小径管9の
端部外面に密着する。Therefore, the small-diameter pipe 9 inserted into the large-diameter pipe 7
The small-diameter tube 9 can be easily inserted to a predetermined position with a small resistance to insertion not only at the end expanded by the diameter-enlarging claw 5 but also inside the end. In this state, the outer surface of the small-diameter tube 7 is in close contact with the inner surface of the large-diameter tube 7 except for the enlarged-diameter claws 6. Subsequently, when the outward force applied to the enlarged diameter claw 5 is released, the enlarged diameter claw 5 moves inward due to the elasticity of the large diameter tube 7, and as shown in FIG. Adhere to
【0015】図4の状態から前記リング8を取外しかつ
拡径爪5を基体2とともに図の左側に移動させると前記
拡径爪5が大径管7と小径管9の間から引き抜かれ、従
って図5に示す通り大径管7の拡径していた端部が小径
管9の端部外面に密着して両管の挿着が完了する。図4
及び図5では小径管9の左端が大径管7の左端と一致す
るように両管の位置関係を示したが、該小径管9の左端
は大径管7の内部に進入していてもあるいは大径管7の
外部に位置し両端部が一致していなくても良い。When the ring 8 is removed from the state shown in FIG. 4 and the enlarged claw 5 is moved to the left side of the figure together with the base 2, the enlarged claw 5 is pulled out from between the large-diameter pipe 7 and the small-diameter pipe 9, and accordingly. As shown in FIG. 5, the enlarged end of the large-diameter tube 7 is brought into close contact with the outer surface of the end of the small-diameter tube 9, and the insertion of both tubes is completed. FIG.
5 shows the positional relationship between the small-diameter pipe 9 and the left end of the large-diameter pipe 7 so that the left end of the small-diameter pipe 9 coincides with the left end of the large-diameter pipe 7. Alternatively, it is not necessary that the both ends be located outside the large-diameter tube 7 and coincide with each other.
【0016】[0016]
【発明の効果】本発明は、挿着すべき大径管の一端内に
係合して該端部を拡径するための3個以上の拡径爪、該
拡径爪内部に形成され空気を前記拡径端内部に吹付けて
拡径長さを増加させるための空気供給口、前記拡径端側
から前記大径管内に小径管を挿入し前記拡径爪内面及び
前記大径管内面に前記小径管を接触させるための挿入手
段、及び前記拡径爪を大径管及び小径管の接触部から抜
き出し前記大径管を前記小径管の周囲に密着状態で挿着
する引抜き手段を含んで成ることを特徴とする管の挿着
装置(請求項1)である。According to the present invention, there are provided three or more expanding claws for engaging with one end of a large-diameter pipe to be inserted and enlarging the end, and air formed inside the expanding claws. An air supply port for spraying the inside of the enlarged diameter end to increase the enlarged diameter length, inserting a small diameter pipe into the large diameter pipe from the enlarged diameter end side to insert the inner surface of the enlarged claw and the inner surface of the large diameter tube Insertion means for bringing the small-diameter pipe into contact with the small-diameter pipe, and pull-out means for extracting the large-diameter claws from the contact portions of the large-diameter pipe and the small-diameter pipe, and inserting the large-diameter pipe in tight contact with the periphery of the small-diameter pipe. A tube insertion device (Claim 1) characterized by the following.
【0017】本発明装置では、拡径爪による大径管端部
の拡径に加えて圧縮空気の吹付けにより前記端部より内
側の部分の拡径も可能にしているため、小径管の大径管
内への挿入をより円滑に行うことができる。しかも挿着
される大径管と小径管との端部を整合させる必要がない
ため、挿着作業が大幅に簡略化され従って全工程を自動
化することも可能になる。According to the apparatus of the present invention, in addition to the expansion of the end of the large-diameter tube by the expanding claw, the expansion of the portion inside the end by the blowing of compressed air is also possible. Insertion into a diameter pipe can be performed more smoothly. Moreover, since there is no need to align the ends of the large-diameter pipe and the small-diameter pipe to be inserted, the insertion operation is greatly simplified, and thus the entire process can be automated.
【図1】本発明に係わる管の挿着装置の一実施例を示す
概略縦断面図。FIG. 1 is a schematic longitudinal sectional view showing one embodiment of a pipe insertion device according to the present invention.
【図2】図1の装置を使用して大径管と小径管の挿着を
行う一連の工程の第1工程を示す概略縦断面図。FIG. 2 is a schematic longitudinal sectional view showing a first step of a series of steps for inserting a large-diameter pipe and a small-diameter pipe using the apparatus of FIG.
【図3】同じく第2工程を示す概略縦断面図。FIG. 3 is a schematic vertical sectional view showing a second step in the same manner.
【図4】同じく第3工程を示す概略縦断面図。FIG. 4 is a schematic longitudinal sectional view showing a third step.
【図5】同じく第4工程を示す概略縦断面図。FIG. 5 is a schematic vertical sectional view showing the fourth step.
1・・・管挿着装置 2・・・基体 3・・・拡径及び
空気吹付器 4・・・圧縮空気室 5・・・拡径爪 6
・・・空気供給口 7・・・大径管 8・・・リング
9・・・小径管DESCRIPTION OF SYMBOLS 1 ... Pipe insertion apparatus 2 ... Base body 3 ... Diameter expansion and air sprayer 4 ... Compressed air chamber 5 ... Diameter expansion claw 6
... Air supply port 7 ... Large diameter pipe 8 ... Ring
9 ... Small diameter pipe
Claims (2)
端部を拡径するための3個以上の拡径爪、該拡径爪内部
に形成され空気を前記拡径端内部に吹付けるための空気
供給口、前記拡径端側から前記大径管内に小径管を挿入
し前記拡径爪内面及び前記大径管内面に前記小径管を接
触させるための挿入手段、及び前記拡径爪を大径管及び
小径管の接触部から抜き出し前記大径管を前記小径管の
周囲に密着状態で挿着する引抜き手段を含んで成ること
を特徴とする管の挿着装置。At least three expanding claws for engaging the inside of one end of a large-diameter tube to be inserted and expanding the end of the large-diameter tube, and forming the air inside the expanding claws to expand the air. An air supply port for blowing inside the end, an insertion means for inserting a small-diameter pipe into the large-diameter pipe from the enlarged-diameter end side and bringing the small-diameter pipe into contact with the inner surface of the enlarged-diameter claw and the inner surface of the large-diameter pipe, And a pull-out means for pulling out the large-diameter claws from the contact portions of the large-diameter pipe and the small-diameter pipe, and inserting the large-diameter pipe in close contact with the small-diameter pipe. .
供給口が形成された3個以上の拡径爪を係合して該一端
部を拡径し、前記空気供給口から空気を前記拡径部に吹
付けながら前記大径管内に前記拡径部方向から小径管を
挿入して該小径管の外表面を前記拡径爪内面及び前記大
径管の内表面に接触させ、更に前記拡径爪を大径管及び
小径管の接触部から抜き出し前記大径管を前記小径管の
周囲に密着状態で挿着することを含んで成る管の挿着方
法。2. A large-diameter pipe to be inserted is engaged with three or more diameter-enlarging claws having an air supply port formed therein at one end thereof to expand the diameter of said one end part. A small-diameter tube is inserted into the large-diameter tube from the direction of the large-diameter portion while blowing air onto the large-diameter portion to bring the outer surface of the small-diameter tube into contact with the inner surface of the large-diameter claws and the inner surface of the large-diameter tube. And inserting the large-diameter claws from the contact portions of the large-diameter tube and the small-diameter tube, and inserting the large-diameter tube around the small-diameter tube in a tightly contacting state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03655794A JP3278279B2 (en) | 1994-02-09 | 1994-02-09 | Tube insertion device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03655794A JP3278279B2 (en) | 1994-02-09 | 1994-02-09 | Tube insertion device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07224970A JPH07224970A (en) | 1995-08-22 |
JP3278279B2 true JP3278279B2 (en) | 2002-04-30 |
Family
ID=12473065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP03655794A Expired - Fee Related JP3278279B2 (en) | 1994-02-09 | 1994-02-09 | Tube insertion device and method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3278279B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7743501B2 (en) * | 2005-12-28 | 2010-06-29 | Tenneco Automotive Operating Company Inc. | Fluid bearing assisted assembly of an exhaust treatment device |
-
1994
- 1994-02-09 JP JP03655794A patent/JP3278279B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07224970A (en) | 1995-08-22 |
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