JPH0344344Y2 - - Google Patents

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Publication number
JPH0344344Y2
JPH0344344Y2 JP17252586U JP17252586U JPH0344344Y2 JP H0344344 Y2 JPH0344344 Y2 JP H0344344Y2 JP 17252586 U JP17252586 U JP 17252586U JP 17252586 U JP17252586 U JP 17252586U JP H0344344 Y2 JPH0344344 Y2 JP H0344344Y2
Authority
JP
Japan
Prior art keywords
pitch
diameter
setting
roller
forming
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
Application number
JP17252586U
Other languages
Japanese (ja)
Other versions
JPS6380025U (en
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 filed Critical
Priority to JP17252586U priority Critical patent/JPH0344344Y2/ja
Publication of JPS6380025U publication Critical patent/JPS6380025U/ja
Application granted granted Critical
Publication of JPH0344344Y2 publication Critical patent/JPH0344344Y2/ja
Expired legal-status Critical Current

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  • Bending Of Plates, Rods, And Pipes (AREA)

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は、ヘリカルコイル型伝熱管などを成形
するヘリカルコイル成形用ベンダーに関するもの
である。
[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a helical coil forming bender for forming helical coil type heat exchanger tubes and the like.

(従来の技術) ヘリカルコイル成形用ベンダーの従来例は、第
6図に示すように本体a上に3個のローラb1
b2,b3からなる径設定用ローラ組を配設するとと
もに、該径設定用ローラ組の管供給側に供給用ロ
ーラcを設け、径設定用ローラ組の張り出し側
(繰り出し側)にピッチ設定用ローラdを設けて、
成形用管(図示省略)は、径設定用ローラ組b1
b2,b3間を通過する際に所定のコイル径に成形さ
れたのちピッチ設定用ローラd上に張り出され、
ピッチ設定用ローラdによりピツチ成形されてヘ
リカルコイルに形成される構造になつており、ヘ
リカルコイルのコイル径は径設定ローラ組の加圧
力あるいはまたロール配置で設定され、ピッチは
本体aに対するピッチ設定用ローラdの高さ調整
により設定される構造になつている。
(Prior Art) A conventional helical coil forming bender has three rollers b 1 ,
A diameter setting roller set consisting of b 2 and b 3 is provided, and a supply roller c is provided on the pipe supply side of the diameter setting roller set, and a pitch roller set is provided on the extending side (feeding side) of the diameter setting roller set. A setting roller d is provided,
The forming tube (not shown) is equipped with diameter setting roller set b 1 ,
When passing between b 2 and b 3 , the coil is formed into a predetermined diameter and then stretched out onto the pitch setting roller d.
The structure is such that the pitch is formed into a helical coil by the pitch setting roller d, and the coil diameter of the helical coil is set by the pressing force of the diameter setting roller set or by the arrangement of the rolls, and the pitch is set by the pitch setting with respect to the main body a. The structure is set by adjusting the height of the roller d.

(考案が解決しようとする問題点) 従来の前記ヘリカルコイル成形用ベンダーは、
径設定用ローラ組より張り出される径設定管を、
1個のピッチ設定用ローラによりピッチ形成方向
に押してピッチ成形されるため、ピツチが安定し
ないとともに曲げ戻しが行われてピツチ成形精度
が低く、また、ピッチ設定用ローラの軸線に対し
て前記径設定管の進行方向が斜めになり、コイル
径の精度が損われるなどの問題点がある。
(Problems to be solved by the invention) The conventional helical coil forming bender is
The diameter setting tube that extends from the diameter setting roller set,
Since the pitch is formed by pushing in the pitch forming direction with one pitch setting roller, the pitch is not stable and the pitch is bent back, resulting in low pitch forming accuracy. There are problems such as the direction in which the tube travels is oblique and the accuracy of the coil diameter is impaired.

(問題点の解決手段) 本考案は、前記のような問題点に対処するため
のヘリカルコイル成形用ベンダーであつて、本体
上に径設定用ローラ組を配設するとともに、前記
径設定用ローラ組より張り出される径設定管の径
路上の両側に進行方向間隔をおいてピツチ成形用
ローラを配置し、前記本体に前記両ピツチ成形用
ローラをそれぞれ前記径設定管のコイル径方向お
よびピツチ方向の調整機構を介して配設したこと
により、ヘリカルコイルのコイル径およびピツチ
の調整を可能にするとともにそれらの成形精度を
向上させて前記のような問題点を解消している。
(Means for Solving Problems) The present invention is a bender for helical coil forming to deal with the above-mentioned problems, in which a diameter setting roller set is disposed on the main body, and the diameter setting roller set is arranged on the main body. Pitch forming rollers are arranged at intervals in the traveling direction on both sides of the path of the diameter setting tube extending from the set, and both pitch forming rollers are attached to the main body in the coil radial direction and pitch direction of the diameter setting tube, respectively. By arranging the helical coil through an adjustment mechanism, it is possible to adjust the coil diameter and pitch of the helical coil, and improve the molding accuracy, thereby solving the above-mentioned problems.

(作用) 成形用管は径設定用ローラ組により湾曲成形さ
れ径設定管になつて張り出され、同径設定管のコ
イル径は径設定用ローラ組により調整されて設定
されたのち、該径設定管は、張り出し側の径路上
において進行中に第1のピッチ設定用ローラによ
り一側から一次的にピツチ成形されたのち第2の
ピッチ設定用ローラにより他側から二次的にピツ
チ成形され、ピツチが安定され曲げ戻し径の変形
が防止されるとともに、両ピッチ設定用ローラの
コイル径方向およびピツチ方向の調整によりピツ
チさらにはコイル径の調整が可能であつて、成形
が円滑に遂行されてピツチ、コイル径の精度が得
られる。
(Function) The forming tube is bent and formed into a diameter setting tube by a set of diameter setting rollers and stretched out, and the coil diameter of the same diameter setting pipe is adjusted and set by the set of diameter setting rollers, and then the diameter is set. The setting tube is first pitch-formed from one side by a first pitch-setting roller while traveling on the path on the overhanging side, and then secondarily pitch-formed from the other side by a second pitch-setting roller. In addition, the pitch is stabilized and deformation of the unbending diameter is prevented, and the pitch and even the coil diameter can be adjusted by adjusting the coil radial direction and the pitch direction of both pitch setting rollers, and forming is carried out smoothly. Accuracy of pitch and coil diameter can be obtained.

(実施例) 第1図ないし第4図に本考案の第1実施例を示
し、図中1はベンダーの本体であつて、該本体1
に加圧ローラ2aと駆動用ローラ2b,2bから
なる径設定用ローラ組2a,2b,2bが配設さ
れ、成形用管pは、径設定用ローラ組2a,2
b,2b間を通過する際に湾曲変形されて所望の
コイル径に成形され径設定管p′として張り出され
る。径設定管p′のコイル径は加圧ローラ2a移動
配置による加圧の程度により調整されて設定され
る。
(Embodiment) Figs. 1 to 4 show a first embodiment of the present invention, and in the figures, 1 is the main body of the bender;
A diameter setting roller set 2a, 2b, 2b consisting of a pressure roller 2a and drive rollers 2b, 2b is arranged in the forming pipe p.
When passing between b and 2b, the coil is deformed into a curve and formed into a desired coil diameter, and is extended as a diameter setting tube p'. The coil diameter of the diameter setting tube p' is adjusted and set according to the degree of pressure applied by the moving arrangement of the pressure roller 2a.

さらに、張り出された前記径設定管p′の径路の
両側に、進行方向間隔をおいて1対となるピツチ
成形用ローラ3a,3bを配置し、両ピツチ成形
用ローラ3a,3bは、本体1にそれぞれ径設定
管p′のコイル径方向イおよびピツチ方向ロの調整
機構10a,10bを介して配設された構成にな
つている。
Further, a pair of pitch forming rollers 3a, 3b is arranged at an interval in the traveling direction on both sides of the path of the overhanging diameter setting pipe p', and both pitch forming rollers 3a, 3b are connected to the main body. 1 through adjusting mechanisms 10a and 10b in the coil radial direction A and pitch direction B of the diameter setting tube p', respectively.

前記調整機構10aについて詳述すると、本体
1に進退自在に嵌挿された軸11aと、軸11a
に連設されたラツク軸12aと、本体1に装着さ
れウオーム(図示省略)を介しラツク軸12aと
ともに軸11aをピツチ方向ロに進退操作するモ
ータ13aと、前記軸11aの先端部に固設され
たベース板14aと、ベース板14a上に回転可
能に軸受されてモータ16aで回転されピツチ設
定用ローラ3aの支持部が螺合されたネジ軸17
aからなり、モータ16aによりネジ軸17aを
回転すると、ピッチ設定用ローラ3aが径方向イ
に移動調節され、モータ13aによりウオーム、
ラツク軸12aを介して軸11aとともにベース
板14aおよびピッチ設定用ローラ3aがピツチ
方向ロに移動調整される構成になつている。
In detail, the adjustment mechanism 10a includes a shaft 11a fitted into the main body 1 so as to be freely retractable and a shaft 11a.
A rack shaft 12a is connected to the rack shaft 12a, a motor 13a is attached to the main body 1 and moves the rack shaft 12a and the shaft 11a back and forth in the pitch direction through a worm (not shown); a screw shaft 17 rotatably bearing on the base plate 14a, rotated by a motor 16a, and to which a support portion of the pitch setting roller 3a is screwed;
When the screw shaft 17a is rotated by the motor 16a, the pitch setting roller 3a is moved and adjusted in the radial direction A, and the motor 13a adjusts the worm,
The base plate 14a and the pitch setting roller 3a are moved and adjusted together with the shaft 11a in the pitch direction R via the rack shaft 12a.

前記調整機構10bについて詳述すると、本体
1に進退自在に嵌挿された軸11bと、軸11b
に連設されたラツク軸12bと、本体1に装着さ
れウオーム(図示省略)を介しラツク軸12bと
ともに軸11bをピツチ方向ロに進退操作するモ
ータ13bと、軸11bの先端部に固設されたベ
ース板14bと、ベース板14b上に回転可能に
軸受されてモータ16bで回転されピッチ設定用
ローラ3bの支持部が螺合されたネジ軸17bか
らなり、モータ16bによりネジ軸17bを回転
すると、ピッチ設定用ローラ3bが径方向イに移
動調節され、モータ13bによりウオーム、ラツ
ク軸12bを介して軸11bとともにベース板1
4bおよびピッチ設定用ローラ3bがピツチ方向
ロに移動調整される構成になつている。
In detail, the adjustment mechanism 10b includes a shaft 11b fitted into the main body 1 so as to be freely retractable and a shaft 11b.
A rack shaft 12b is connected to the rack shaft 12b, a motor 13b is attached to the main body 1 and moves the rack shaft 12b and the shaft 11b back and forth in the pitch direction through a worm (not shown); It consists of a base plate 14b and a screw shaft 17b rotatably bearing on the base plate 14b, rotated by a motor 16b, and to which the support part of the pitch setting roller 3b is screwed. When the screw shaft 17b is rotated by the motor 16b, The pitch setting roller 3b is adjusted to move in the radial direction A, and the motor 13b moves the worm and the base plate 1 together with the shaft 11b via the rack shaft 12b.
4b and the pitch setting roller 3b are configured to be moved and adjusted in the pitch direction (R).

さらに、前記ピッチ設定用ローラ3aは、第3
図に示すように一側にフランジ3′aを備え、同
フランジ3′aによつて径設定管p′を一側から押
して一次的にピツチ成形し、また、前記ピッチ設
定用ローラ3bは、第4図に示すように両側にフ
ランジ3′b,3′bを備え、フランジ3′b,
3′b間に径設定管p′を挾持し他側から押して二
次的にピツチ成形するようになつている。
Further, the pitch setting roller 3a has a third pitch setting roller 3a.
As shown in the figure, a flange 3'a is provided on one side, and the diameter setting pipe p' is pushed from one side by the flange 3'a to form a pitch primarily, and the pitch setting roller 3b is As shown in Fig. 4, flanges 3'b, 3'b are provided on both sides, and flanges 3'b,
The diameter setting tube p' is held between the tubes 3'b and pressed from the other side to form a secondary pitch.

本考案の第1実施例は、前記のような構成にな
つており作用について説明すると、成形用管p
は、径設定用ローラ組2a,2b,2bによつて
湾曲変形されて径設定管p′として張り出され、加
圧ローラ2aの加圧調節によつてコイル径が調整
される。
The first embodiment of the present invention has the above-mentioned structure, and to explain its operation, the forming pipe p
is curved and deformed by the diameter setting roller sets 2a, 2b, 2b and protrudes as a diameter setting tube p', and the coil diameter is adjusted by adjusting the pressure of the pressure roller 2a.

張り出された径設定管p′は、ピッチ設定用ロー
ラ3aによつて一側から一次的にピツチ成形され
たのち、ピッチ設定用ローラ3bにより他側から
二次的にピツチ成形されてヘリカルコイル状に成
形される。
The extended diameter setting tube p' is first pitch-formed from one side by the pitch-setting roller 3a, and then secondarily pitch-formed from the other side by the pitch-setting roller 3b to form a helical coil. It is formed into a shape.

前記ピツチ成形に際し、両ピッチ設定用ローラ
3aと3bは、それぞれ前記調整機構によつて所
望の径方向イおよびピツチ方向ロに移動調整され
るため、所望のピツチ成形即ちリード角が得られ
るとともに、一次、二次のピツチ成形とともに径
設定管の両側からのピツチ成形により、ピツチが
安定されピツチ方向の曲げ戻しが防止されて所望
の優れたピツチ成形精度が得られる。また、ピッ
チ設定用ローラ3aと3bの径方向イ移動調整に
よつてコイル径の調整が可能となりコイル径の精
度も著しく高められる。前記モータ13a,13
b,16a,16bは遠隔制御装置(図示省略)
によつて運転中でも随時に調整可能である。
During the pitch forming, both pitch setting rollers 3a and 3b are moved and adjusted by the adjustment mechanism in the desired radial direction A and pitch direction B, respectively, so that the desired pitch forming, that is, the lead angle is obtained, and By performing pitch forming from both sides of the diameter setting tube in addition to primary and secondary pitch forming, the pitch is stabilized and bending back in the pitch direction is prevented, thereby achieving the desired excellent pitch forming accuracy. Further, by adjusting the radial movement of the pitch setting rollers 3a and 3b, the coil diameter can be adjusted, and the accuracy of the coil diameter can be significantly improved. The motors 13a, 13
b, 16a, 16b are remote control devices (not shown)
It can be adjusted at any time while driving.

第5図に示すように、径設定管に対するピッチ
設定用ローラ3′a,3′bを逆配置にすることも
可能であつて、同様な作用効果が得られる。
As shown in FIG. 5, it is also possible to reverse the arrangement of the pitch setting rollers 3'a and 3'b with respect to the diameter setting tube, and the same effect can be obtained.

(考案の効果) 本考案は、前述のような構成になつているの
で、成形用管は、径設定用ローラ組によに湾曲成
形され径設定管になつて張り出され、径設定管の
コイル径は径設定用ローラ組により調整されて設
定されたのち、該径設定管は、張り出し側の径路
上において進行中に第1のピッチ設定用ローラに
より一側から一次的にピツチ成形されたのち第2
のピッチ設定用ローラにより他側から二次的にピ
ツチ成形され、両ピッチ設定用ローラのコイル径
方向およびピツチ方向の調整によりピツチさらに
はコイル径の調整が可能であつて、ヘリカルコイ
ルの径およびピツチの調整とともに成形精度が著
しく高められ成形性能、信頼性が格段に向上され
ている。
(Effects of the invention) Since the present invention has the above-mentioned configuration, the forming tube is curved and formed into a diameter setting tube by the set of diameter setting rollers, and is stretched out to form a diameter setting tube. After the coil diameter was adjusted and set by a set of diameter setting rollers, the diameter setting tube was primarily pitch-formed from one side by a first pitch setting roller while traveling on the path on the projecting side. Later the second
The pitch setting roller performs secondary pitch forming from the other side, and the pitch and coil diameter can be adjusted by adjusting the coil radial direction and pitch direction of both pitch setting rollers. Along with pitch adjustment, molding accuracy has been significantly improved, and molding performance and reliability have been significantly improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の第1実施例を示す正面図、第
2図は第1図の側面図、第3図A,Bは一方のピ
ッチ設定用ローラの側面図と正面図、第4図は他
方のピッチ設定用ローラの正面図、第5図は第2
実施例の要部正面図、第6図は従来例の正面図で
ある。 1……本体、2a,2b……径設定用ローラ
組、3a,3b……ピツチ成形用ローラ、10
a,10b……調整機構。
Figure 1 is a front view showing the first embodiment of the present invention, Figure 2 is a side view of Figure 1, Figures 3A and B are a side view and front view of one pitch setting roller, and Figure 4. is a front view of the other pitch setting roller, and Figure 5 is a front view of the second pitch setting roller.
FIG. 6 is a front view of the main part of the embodiment, and FIG. 6 is a front view of the conventional example. 1...Main body, 2a, 2b...Roller set for diameter setting, 3a, 3b...Roller for pitch forming, 10
a, 10b...Adjustment mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体上に径設定用ローラ組を配設するととも
に、前記径設定用ローラ組より張り出される径設
定管の径路上の両側に進行方向間隔をおいてピッ
チ成形用ローラを配置し、前記本体に前記両ピッ
チ成形用ローラをそれぞれ前記径設定管のコイル
径方向およびピッチ方向の調整機構を介して配設
したことを特徴とするヘリカルコイル成形用ベン
ダー。
A diameter setting roller set is arranged on the main body, and pitch forming rollers are arranged at intervals in the traveling direction on both sides of the path of the diameter setting pipe extending from the diameter setting roller set, and the pitch forming roller is arranged on the main body. A bender for helical coil forming, characterized in that both of the pitch forming rollers are arranged via adjustment mechanisms in the coil radial direction and pitch direction of the diameter setting tube, respectively.
JP17252586U 1986-11-12 1986-11-12 Expired JPH0344344Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17252586U JPH0344344Y2 (en) 1986-11-12 1986-11-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17252586U JPH0344344Y2 (en) 1986-11-12 1986-11-12

Publications (2)

Publication Number Publication Date
JPS6380025U JPS6380025U (en) 1988-05-26
JPH0344344Y2 true JPH0344344Y2 (en) 1991-09-18

Family

ID=31109143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17252586U Expired JPH0344344Y2 (en) 1986-11-12 1986-11-12

Country Status (1)

Country Link
JP (1) JPH0344344Y2 (en)

Also Published As

Publication number Publication date
JPS6380025U (en) 1988-05-26

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