JPS6064732A - Multi-fulcrum bending machine for long-sized bar material - Google Patents

Abstract

PURPOSE:To perform efficiently polygonal bending with a single bending machine by providing respectively movable power point members near the stationary fulcra and movable fulcra of a long-sized bar material provided to an attaching frame and oscillating cooperatively both members. CONSTITUTION:A long-sized bar material 1 is extended between the stationary fulcra 29 and 29' of attaching frames 5, 6. The 1st movalbe power point members 18, 18' are oscillatably and pivotally fitted around the pivotal shafts on the outside near the fulcra 29, 29'. Movable fulcra 30, 30' are provided on the side nearer the end than the bending point by the fulcra 29, 29' and the 2nd movable power point members 24, 24' are oscillatably provided near the same. Both membrs 18, 18', 24, 24' are cooperatively oscillated respectively around the fulcra 29, 29', 30, 30' by which both ends of the material 1 are bent simultaneously to >=2 angles. This device is applicable to manufacture of reinforcing steel bars, etc. of a reinforced concrete bridge girder, etc.

Description

【発明の詳細な説明】 本発明は、例えば高栗構造物の鉄筋コンクリート製橋桁
における補強鉄筋のように長尺棒状材の長手方向の両端
部分を大々二角以上に折曲げ形成されｆｃ裂品を製作す
るための多点式長尺棒状材曲げ機に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention is directed to fc cracks made by bending both ends of a long bar in the longitudinal direction into more than two angles, such as reinforcing reinforcing bars in reinforced concrete bridge girders of Takakuri structures. This invention relates to a multi-point long bar bending machine for manufacturing.

前記長尺棒状材を折曲げ形成する曲げ機として従来から
−Ｍ：的に知られているものは単一の固定支点とその支
点近傍で揺動する町動力点郡材とから成るもので、この
ものは７回の操作で７角分の曲げ加工しか出来ず、多折
曲点を有する補強鉄筋などの場合は一角毎に順次折面げ
をしなげ７″Ｌばならず、例えば量産化のために加工能
率の向上を図る為には多数の曲げ機をライン配置し、夫
々に作業者を付けると言った設備コスト面及び人件費面
で大要不利な構成をとらざるを得す製品コストの高騰化
は避けらｔ′Ｌなかつ１Ｊ−０ 殊に、長尺棒状材の長手方向両端部を大々、二角以上に
折曲げ形成する際に前述の如く一角づつ折曲げるとなる
と、長手方向一端側が二角以上に折曲げられた後の棒状
材の収扱いが困難面倒で長手方向他端部側の折曲げ加工
に特に苦心を要する問題があった。A conventionally known bending machine for bending and forming the long rod-shaped material is one that consists of a single fixed fulcrum and a power point holder that swings in the vicinity of the fulcrum. This product can only bend 7 corners in 7 operations, and in the case of reinforcing reinforcing bars with multiple bending points, each corner must be bent sequentially to a length of 7". For example, for mass production. In order to improve processing efficiency, a large number of bending machines must be arranged on a line and a worker must be assigned to each, which is a disadvantageous configuration in terms of equipment costs and labor costs. In particular, when bending both longitudinal ends of a long rod-like material into two or more corners, it is necessary to bend one corner at a time as described above. There is a problem in that it is difficult and troublesome to handle the rod-shaped material after one longitudinal end is bent to two or more angles, and the bending process at the other longitudinal end requires particular effort.

本発明は、かかる実情に鑑み、単−曲げ機でもって、能
率良く多折曲加工が行なえて設備及び人件費の著しい低
減が図れるものを提供する点に第１目的を有し、第２目
的は第１目的に加えるに、前記長尺棒状材の長手方向両
端部を一挙に二角以上に折曲加工出来るものを提供する
点にある。In view of the above circumstances, the first object of the present invention is to provide a single bending machine that can perform multi-bending operations efficiently and significantly reduce equipment and personnel costs. In addition to the first object, it is an object of the present invention to provide a device that can bend both ends of the elongated bar-shaped material in the longitudinal direction into two or more corners at once.

上記目的を達成すべくなされた第１発明に係る多点式長
尺棒状材曲げ機の特徴構成は、長尺棒状材を折曲げ形成
可能な固定支点を設けた取付クレームに、前記固定支点
近傍の枢支軸周りに揺動ＯＴ能に第１町動力点部材が枢
着され、この＄７７叫動力部材に前記長尺棒状材を前記
固定支点による折曲げ箇所エリも端部側において折曲げ
形成可能なり前文点が設けられているとともに、前記可
動支点近傍に枢着さｔＬ７′ｃ第７′ｃｏＪ動力動力付
部材記第１町動力点部材に連動して揺動可能に構成され
、もって、前記第１、第２町動力点部材の連動揺動によ
って、前記長尺棒状材全前記固定支点及び可動支点周り
で同時に折曲げ形成可能に構成しである点にある。The characteristic structure of the multi-point long bar bending machine according to the first invention, which has been made to achieve the above object, is that the mounting claim is provided with a fixed fulcrum capable of bending and forming a long bar. A first power point member is pivotally attached to the swinging OT function around the pivot axis, and the long bar-shaped member is bent at the end side of the bending area by the fixed fulcrum. In addition to being provided with a preamble point that can be formed, it is configured to be swingable in conjunction with the first power point member, which is pivotally mounted near the movable fulcrum. The first and second power point members are moved in conjunction with each other so that the entire long bar can be bent and formed around the fixed fulcrum and the movable fulcrum at the same time.

このような特徴構成を有する第１発明の作用効果は次の
通りである。The effects of the first invention having such a characteristic configuration are as follows.

つまり、前記長尺棒状材の端部分を折曲げ形成するに、
前記取付フレーム内に固定支点及び固定支点近傍で揺動
可能な第１可動力点部材を設けるだけでなく、更に、こ
の第７可動力点部材に可動支点及びこの可動支点近傍で
揺動可能な第２カ点部材を設けであるので、両者第１、
′４２可動可動部材の連動揺動によって、７回の作業操
作で同時に複数の折曲点を有する長尺棒状材の折曲げ形
成が０Ｔ能になり、設備費及び人件費の高騰化を出来る
だけ抑えた状態で加工能率（生産性）の向上を達成でき
るに至つ几。That is, when forming the end portion of the long rod-shaped material by bending,
In addition to providing a fixed fulcrum and a first movable force point member that is swingable in the vicinity of the fixed fulcrum in the mounting frame, the seventh movable force point member is further provided with a movable fulcrum and a movable force point member that is swingable in the vicinity of the movable fulcrum. Since the second point member is provided, both the first and
'42 Due to the interlocking movement of the movable movable members, it is possible to bend a long bar-shaped material having multiple bending points simultaneously in 7 operations, making it possible to bend a long bar-shaped material with multiple bending points at the same time, thereby minimizing the increase in equipment costs and labor costs. We have been able to achieve improved machining efficiency (productivity) while keeping things under control.

しかも、これだけに止まらず、前記固定支点と可動支点
とをあらかじめ位置決め出来るので、両支点間の各種規
格寸法に対して、精度よく加工出来るとともに、寸法精
度を多数の製品に対して一定した状態で加工す能である
。Moreover, since the fixed fulcrum and the movable fulcrum can be positioned in advance, it is possible to process various standard dimensions between the two fulcrums with high precision, and the dimensional accuracy can be kept constant for a large number of products. It is capable of processing.

また、第２発明に係る多点式長尺棒状材曲げ機の特徴構
成は、同一平面内に構成された取付フレームに、長尺棒
状材を折曲げ形成”Ｊ能な固定支点が設けられていると
ともに、それら固定支点近傍外側位置において揺動可能
な第１可動力点部材が枢着さｎｌ、これら第１叫動力点
部材に前記長尺棒状材の前記固定支点にぶる折曲げ箇所
よりも端部側において折曲げ可能な可動支点が設けられ
ているとともに、前記り前文点近傍に枢着さｒした第、
２叫動力点部材大々か、前記６第１　ｔｉＪ動力動力付
部材動する状態で駆動揺動可能に構成され、もって取付
フレーム側番々ＶＣおいて第１．第λ町動力点部材の連
動揺動によって、前記長尺棒状材金その長手方向２箇所
において前記固定支点及び可動支点周りで同時に大々複
数段折曲げ形成可能に構成されている点にある。Further, the characteristic configuration of the multi-point long bar bending machine according to the second invention is that a fixed fulcrum capable of bending and forming the long bar is provided on the mounting frame configured in the same plane. At the same time, a first movable force point member that is swingable at an outer position near the fixed fulcrum is pivotally mounted, and the first movable force point member is attached to the first movable force point member at a position where the elongated rod-shaped member is bent at a position closer to the fixed fulcrum. A bendable movable fulcrum is provided on the end side, and the r-th point is pivotally mounted near the preamble point.
2. The power point member is configured to be able to be driven and oscillated in a state in which the 6th power point member is in motion, so that the 6th power point member can be driven and oscillated in a state in which the 6th power point member is in motion. By interlocking movement of the λ-th power point member, the long rod-shaped material can be bent in multiple stages at the same time around the fixed fulcrum and the movable fulcrum at two locations in its longitudinal direction.

このような特徴構成を有する第２発明の作用効果は次の
通りである。The effects of the second invention having such a characteristic configuration are as follows.

つまり、第１発明の作用効果を奏することは勿論、それ
に加えるに大々単独に二角以上の折曲げ可能な取付７Ｖ
−ムが設けられているので、前記長尺棒状材の両端部間
に亘っても寸法精度良、〈折曲げ形成出来るだけでなく
、−角づつ折曲げ形成される従来構成のものに比べて、
長手方向一端部側が二角以上折曲げられた後に、他端部
側が折曲げ加工される際に、その二角以上折曲げられた
一端部側を折曲げ反力に対して固定保持する特別な保持
具を必要としない利点がある。In other words, it not only has the effects of the first invention, but also has a mounting 7V that can be bent independently into two or more corners.
- Since the long rod-shaped material is provided with a corner, it has good dimensional accuracy even between both ends of the long rod-shaped material. ,
After one end in the longitudinal direction is bent at two or more angles, when the other end is bent, a special tool is used to hold the one end bent at two or more angles fixed against the bending reaction force. It has the advantage of not requiring a holder.

以下、本発明構成の実施例を図面に基いて説明する。Embodiments of the configuration of the present invention will be described below with reference to the drawings.

第１図（イ）、（ロ）は曲げ加工後の長尺棒状材ｉｔ）
を示し、一対の長尺棒状材ｉｌｌ　、　ｉｌｌを組合せ
溶着して、■型状の補強鉄筋−として形成したものを、
第２図（イ）〜（ハ）に示すように高架構造物の鉄筋コ
ンクリート製橋桁（財）内に埋設し、その橋桁（ロ）内
長手方向等間隔に埋設さ几た長尺棒状材（１）同志をピ
アノ線の０で連係している。Figure 1 (a) and (b) are long bar-shaped materials after bending)
A pair of long bar-shaped materials ill and ill are combined and welded to form a ■-shaped reinforcing reinforcing bar.
As shown in Figures 2 (a) to (c), long rods (1 ) The comrades are connected with the 0 of the piano wire.

第８図は多支点式長尺棒状材曲げ機（Ａ）の全容を示し
たもので、架台（２）より両側に立上げ形成さｆｌ、ｆ
ｃ立上板＋３１　、　ｆ３＋に両端を固着して水平方向
に張設されたガイドフレーム（４）と、前記架台（２）
上端部との両者に亘って、固定取付フレーム（５）及び
この固定取付フレーム（５）に対して相対遠近移動自在
な可動取付クレーム（６）が取付けられている。　前記
固定取付フレーム（５）から前記可動取付フレーム（６
）全貫通する状態で前記立上板（３）に亘る畏さを有す
る雄ねじ部材（７）を張設し、前記雄ねじ部材（７）と
螺合する雌ねじ部を有する前記可動取付７レーム（６）
を前記雄ねじ部材（７）の軸芯回りでの回転によって螺
進可能に構１ｊえする。Figure 8 shows the entire structure of the multi-fulcrum type long bar bending machine (A).
c Standing board +31, a guide frame (4) fixed at both ends to f3+ and stretched in the horizontal direction, and the pedestal (2)
A fixed mounting frame (5) and a movable mounting claim (6) that is movable relative to the fixed mounting frame (5) are attached to the upper end portion. The fixed mounting frame (5) to the movable mounting frame (6)
) The movable mounting 7 frame (6) has a male threaded member (7) extending completely through the upright plate (3) and has a female threaded portion that is threadedly engaged with the male threaded member (7). )
is configured to be screwable by rotation about the axis of the male threaded member (7).

（８）は雄ｔＷじ部材（７）の先端Ｓに固着した回転操
作用ハンドルである。（尚、取付フレームＬ５）　、　
ＬＧＩは両者ともに遠近移動自在に構成されたものでも
よい。）曲記両取付フレーム１５）　、　＋６１の上端
にはエアシリンダ１９）　、　１９）が前後向き姿勢に
装着されるとともに、前記エアシリンダ（９＋　、　＋
９１のピストン先端部Ｖこは側面視略くの字形のリンク
機構（１０）　、　（１０）がその先端部に長尺棒状材
ｉｌ＋に対する曲げ加工時の反力受けを行う反力受部材
（１０ａ）を有する状態で併設さｔＬ、もってエアシリ
ンダ（９）。(8) is a rotating handle fixed to the tip S of the male TW member (7). (Mounting frame L5)
Both LGIs may be configured to be movable near and far. ) The air cylinders 19), 19) are mounted on the upper ends of the mounting frames 15), +61 in a front-back orientation, and the air cylinders (9+, +61) are attached to the upper ends of the mounting frames 15), +61.
The tip of the piston V 91 has a link mechanism (10) which is approximately doglegged in side view, and a reaction force receiving member (10a) that receives a reaction force during bending of the long rod-shaped material il+ at its tip. ) is attached to the air cylinder (9).

（９）の作動によって製品の取り出しを自動的に行うこ
とができる。The product can be automatically taken out by the operation (9).

＋１１１は製品仮受は用フレームである。　０匂は長尺
棒状材ｉｌｌのセット長さ調整用機構である。+111 is a frame for temporary product receipt. 0 is a mechanism for adjusting the set length of the long rod-shaped material ill.

賭は制御盤である。The bet is the control panel.

第４図乃至第６図で曲げ機構を、前記取付フレームＬ５
１　、　［６１０機溝はほぼ同一のものであるから、前
記可動取付７レーム（６）側で詳述すると、前記可動フ
レーム（６）は前後板（６Ａ）及び（６Ｂ）から構成さ
れ、前記後板（６Ｂ）に大々、後方外方より取付固定さ
ｎ　ｆｃクランクビニオン式のロークリアクチュエータ
（１４）をその出力軸（１４ａ　）が前記前後板（６Ａ
）及び（６Ｂ）間に形成さｉｃ　ｆｃ空間（Ｂ）に臨ま
せた状態で固定するとともに、前記出力軸（１４ａ）と
軸芯（Ｘ）を一致させた状態で前記空間（Ｂ）側に固定
ベベルギヤα５）を設けている。　前記前方板（６Ａ）
の前記空間（ＢＪ側で、前記軸芯００に対応する直訴に
はベアリングα呻を外嵌した短軸９′？）が設けられ、
後記する第１ＯＪ動力点部材（１８’）が前後板（６Ａ
）、（６Ｂ）側に向って突出させた筒状ポス（１８Ａ）
、（１８Ｂ）で、大々、前記出力軸（１４ａ）及び短軸
（１７）に枢支されている。　つまり一方の筒状ボス（
１８Ａ）は前記固定ベベルギヤｌｌ５）のボス（１５ａ
）にベアリングＣ７）を介して枢支さｔするとともに、
前記ロークリアクチュエータ０４）の出力軸（１４ａ）
に連動状態に外表固定され、他方の筒状ポス（１８Ｂ）
は前記ベアリング９＠を介して￥８Ｑ記短軸０７）に枢
支されている。　前記固定ベベルギヤＯりと前記短軸（
１７）とによって枢支された第１町動力点部材（１８’
）は前記軸芯（ＸＪ周りに揺動可能で、前記軸芯（Ｘ）
と直交する方向に延設された両側板状フレーム（１８Ｄ
）　、　（１８Ｄ）に平行で、両板状フレーム（１８Ｄ
）　、　（１８Ｄ）で作る空間部分の側方に位置する状
態で貫通軸（ＩＣ４を設け、前記貫通軸呻の上端はスプ
ライン軸（１９ａ）を形成し、このスプライン軸（１９
ａ）と嵌合し、かつ、前記固定ベベルギヤ（ホ）と噛合
うベベルギヤ（社）を前記板状７レー、ＩＡ　（１８Ｄ
）側とは反対側の端部にベアリングはを介して枢支する
。　曲記貫通軸恨９）の他端はベアリング−を介して後
記する筒状摺動部材圀）に私文され、更に前記ベアリン
グ固底看部分エリ最先端側には後記する第、２町動力点
部材（２４’）に駆動力を伝達するベベルギヤ（ハ）を
固定している。4 to 6, the bending mechanism is shown in the mounting frame L5.
1, [610 machine grooves are almost the same, so to explain in detail on the movable mounting 7 frame (6) side, the movable frame (6) is composed of front and rear plates (6A) and (6B), The output shaft (14a) of the n fc crank binion type low reactor actuator (14) is mounted and fixed to the rear plate (6B) from the rear outside.
) and (6B) is fixed in a state facing the IC FC space (B), and the output shaft (14a) and the shaft center (X) are aligned to the space (B) side. A fixed bevel gear α5) is provided. The front plate (6A)
The space (on the BJ side, a short shaft 9' on which a bearing α is externally fitted) is provided in the direct contact corresponding to the shaft center 00,
The first OJ power point member (18') to be described later is the front and rear plate (6A
), cylindrical post (18A) protruding toward the (6B) side
, (18B) are largely pivoted to the output shaft (14a) and the short shaft (17). In other words, one cylindrical boss (
18A) is the boss (15a) of the fixed bevel gear ll5).
) via a bearing C7), and
Output shaft (14a) of the low reactor actuator 04)
The outer surface is fixed in a linked state to the other cylindrical post (18B).
is pivotally supported on the short shaft 07) via the bearing 9@. The fixed bevel gear O and the short shaft (
17) and the first town power point member (18'
) is swingable around the axis (XJ), and the axis (X)
Both side plate-shaped frames (18D
), parallel to (18D), both plate-like frames (18D
) and (18D), a through shaft (IC4) is provided, and the upper end of the through shaft (IC4) forms a spline shaft (19a).
a), and a bevel gear (manufactured by Co., Ltd.) that meshes with the fixed bevel gear (e) is connected to the plate-shaped 7-ray, IA (18D
) The bearing is pivotally supported at the end opposite to the side. The other end of the penetrating shaft 9) is attached to a cylindrical sliding member (to be described later) through a bearing, and furthermore, on the leading edge side of the fixed-bottom viewing area of the bearing, there is a second shaft (to be described later). A bevel gear (c) that transmits driving force to the point member (24') is fixed.

前記第２町動力点部材（２４’　）は一端にローラ（２
４ａつを枢支し、他端にシャ７　ト（２４ｂ）を前記筒
状摺動部材（２３）側に向けて突出させ、前記筒状摺動
部材＠）の前記前板（６Ｂ）側に向けて突出された筒状
ポスＣ２３Ａ）にベアリングシ句を介して枢支され、前
記シャ７　ト（２４ｂ）の先端には前記貫通軸（２）側
の前記ベベルギヤ（社）と噛合うベベルギャレηが嵌着
されている。　前記シャフト（２４ｂ）　ＪＪｓ端の平
板部材（２４Ｂ）に、ベアリング（３Ｉ５１を介して可
動支点（３０’）を一体連設した扁平板状材ｇ３８）の
突出軸（８６ａ）を枢支固定している。　前記扁平板状
部材間は前記板状フレーム（１８Ｄ）、（１８Ｄ）に架
は渡され、前記筒状摺動部材（ハ）と共に摺動可能に構
成される。　前記筒状摺動部材（ハ）は前記第１可動力
点部材（１８’）の空間部分に位置し、前記貫通軸α櫛
側と反対側には第１可動力点部材（１８’）の外端に枢
支されｆｃ調節用ボルト（２（へ）と螺合して前記摺動
部材−）を出退移動させる雄ねじ部（２３ａ）を形成し
、もって、前記取付フレーム（６）の前板（６Ａ）に収
付けられた固定支点（２９’）と前記扁平板状部材間に
固着さｎた可動支点（３０’）との距ｍを調節ｉｉＪ能
に構成する。The second power point member (24') has a roller (24') at one end.
A shaft (24b) is provided at the other end to protrude toward the cylindrical sliding member (23), and a shaft (24b) is attached to the front plate (6B) side of the cylindrical sliding member (23). The shaft (24b) is pivotally supported by a cylindrical post (C23A) protruding toward the shaft (23A), and the shaft (24b) has a bevel galley η at its tip that meshes with the bevel gear (manufactured by Co., Ltd.) on the through shaft (2) side. is fitted. The protruding shaft (86a) of a flat plate member g38 integrally connected with a movable fulcrum (30') via a bearing (3I51) is pivotally fixed to the flat plate member (24B) at the JJs end of the shaft (24b). There is. A rack is provided between the flat plate-shaped members by the plate-shaped frames (18D) and (18D), and is configured to be slidable together with the cylindrical sliding member (c). The cylindrical sliding member (C) is located in the space of the first movable force point member (18'), and the first movable force point member (18') is located on the opposite side of the through shaft α comb side. A male threaded portion (23a) is formed on the outer end of the fc adjusting bolt (23a) and screws into the fc adjustment bolt (2) to move the sliding member in and out. The distance m between the fixed fulcrum (29') housed in the plate (6A) and the movable fulcrum (30') fixed between the flat plate members is adjustable.

Ｈは前記り前文点（３０’）の横外側方で、前記長尺棒
状材＋１＋の反力受は作用を行う前記摺＃部材□□□）
側に固定の反力受は部材である。　皮は前記取付フレー
ム（５）の前記固定支点（２９）の下方に一端を固定さ
れ、その上辺を前記長尺棒状材（１）受けとして使用す
る扁平板から構成された逃し材であって、表面側の下半
分が傾斜面（８２ａ）に形成され、もって前記長尺棒状
材ｉｌ＋の最先端部（ｌＡ）が曲げ加工によって、前記
長尺棒状材ｉｌｌの直線部（ＩＢ）と交わる場合に、最
先端部ＣＩＡ）側を直線ｆ！Ｂ（ＩＢ）の上方に回避さ
せるものである。　この逃し材・鏝は第１図（０）で示
す長尺棒状材ｉ１１の左端形状を形成する際に有効に使
用される。H is on the lateral side of the preamble point (30'), and the reaction force receiver of the long rod-shaped material +1+ acts on the sliding member □□□)
The reaction force receiver fixed on the side is a member. The skin is a relief material composed of a flat plate whose one end is fixed below the fixed fulcrum (29) of the mounting frame (5) and whose upper side is used as a receiver for the long rod-shaped material (1), When the lower half of the front surface side is formed into an inclined surface (82a), and the leading edge (lA) of the long bar-like material il+ intersects with the straight part (IB) of the long bar-like material ill by bending, , the leading edge CIA) side is a straight line f! This is to avoid it above B (IB). This relief material/trowel is effectively used when forming the left end shape of the long bar-shaped material i11 shown in FIG. 1(0).

以上の構成になるものを、駆動系統をもとに記述すると
、前記ロークリアクチュエータ１１４１の回転（回動範
囲θ〜／Ｊ？θ０）によって、前記第１可動力点部材（
１８’）が軸芯（Ｘ）周りに揺動し、この揺動ｅこよっ
て前記固定ベベルギヤ吐）と噛合うベベルギヤ（ロ））
によって前記貫通軸（ＩＢ）が回転し、この貫通軸１１
９）の回転によって前記ベベルギヤｔ２５）。If the above configuration is described based on the drive system, the first movable force point member (
18') swings around the axis (X), and this swing e causes the bevel gear (b)) to mesh with the fixed bevel gear (b)).
The through shaft (IB) rotates, and this through shaft 11
9) by the rotation of the bevel gear t25).

（２７）を介して、前記第２可動力点部材（２４’）を
前記シャ７　）　（２４ｂ）軸芯周りに揺動させる。　
従って、第１．ｆｉコＯｆ動動力部部材１８’）、（２
４’）が連動揺動可能に構成される。(27), the second movable force point member (24') is swung around the shaft 7) (24b).
Therefore, the first. ficoOf dynamic force section members 18'), (2
4') are configured to be able to move in conjunction with each other.

次に、作業工程を第７図乃至第９図によって順に説明す
ると、第７図は前記長尺棒状材ｔｌｌを面取付フレーム
ｔ５１　、ｔ　（６）の固定支点間に亘って張設載置し
た状恋紫示し、！８図は第１．第２町動力点部材Ｏ樽、
　（１８’）　、　（２４）　、　（２４’）の固定支
点−，（２９’）及び可動支点−，（８０’）に対する
連動揺動による、同時曲げの中間工程を示す。Next, the work process will be explained in order with reference to FIGS. 7 to 9. FIG. 7 shows a state in which the long rod-shaped material tll is stretched and mounted between the fixed supports of the surface mounting frames t51 and t(6). Show purple! Figure 8 is the first. Second town power point member O barrel,
It shows an intermediate process of simultaneous bending by interlocking movement of (18'), (24), (24') with respect to fixed supports -, (29') and movable supports -, (80').

第９図は加工修了時の状態を示す。FIG. 9 shows the state at the completion of machining.

以下、別実施例を示す。Another example will be shown below.

第１図（切に示すように、前記長尺棒状材ｉｌｌの左側
形状が折曲げ点を３点有する場合には、次のようなもの
に切換える。　第１０図に示すように前記第２可動力点
部材例の前記ローラ（２４ａ）取付部分をローラ（２４
ａ）の替りに正面視くの字形状で両端にローラ（８８ａ
）、（３８ａ）を併設した第３力点部材關を取付ける。As shown in Fig. 1 (cut), when the left side shape of the long bar-shaped material ill has three bending points, the shape is changed to the following bending point. The roller (24a) mounting portion of the power point member example is attached to the roller (24a).
Instead of a), rollers (88a
) and (38a) are installed.

　しかも、前記第２０Ｔ動力点部材例の表面に鋸歯状の
凹凸面（２４Ｃ）を形成し、前記第３力点部材憾の前記
第２０工動力点部材例への取付面に前記凹凸面（２４Ｃ
）と表保合する鋸歯状の凹凸面（ａａｂ）を匙ける。　
よって、前記第３力点部材１３３）を前記第２　ｃｉＪ
動力点郡材い（１）に対して位置変更自在に取付可能で
ある。Moreover, a sawtooth uneven surface (24C) is formed on the surface of the 20T power point member example, and the uneven surface (24C) is formed on the attachment surface of the third power point member to the 20th power point member example.
) and insert a sawtooth-like uneven surface (aab) into the surface.
Therefore, the third force point member 133) is
It can be attached to the power point group member (1) so that its position can be changed.

又、可動支点−を２点構成のものにすべく前記扁平板状
部材間を取換える。Further, the flat plate-shaped members are replaced so that the movable fulcrum is composed of two points.

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

図面は本発明に係る多文点式長尺棒状材曲げ機の実施例
を示し、第１図（イ）、（ロ）は大々長尺棒状材の成形
後の形状を示す正面図、第２図（イ）。 （ロ）、Ｈは長尺棒状材の使用状態を示すもので、（イ
）、（ロ）は高栗栂造物を示す一部切大正面図及び側面
図、（）′ｌは橋桁の縦断側面図、第３図は一部切欠全
体正面因、４４図は要部拡大正面図、第５図は要部拡大
底面図、第６図は興部拡大横断平面図、第７図乃至第９
図は加工順序を示す概略正面図、第１Ｏ図は第１１図で
示す第３カ点部材を取付交換したものを示す要部正面図
、第１１図は第２　ｏ’Ｊ動力点部材に取付使用される
第３力点部材の淑付溝遺を示す斜視図である。 （１）・・・・・長尺棒状材、＋５１　、　＋６１・・
・・・・取付７レーム、州、Ｃ１８’）・・・・・・第
１町動力点部材、圓、　（２４’　）・・・・・・第２
可動力点部材、シ９）　、　（２９’）・・・・・・固
定支点、例、　（３０’）・・・・・・ｏＪ動動点点（
ロ） 第２図 （イ） 第１０　図 第　７ 第　６　■ ３６　、ｉｐThe drawings show an embodiment of the multi-point type long bar bending machine according to the present invention, and FIGS. Figure 2 (a). (B) and H show the state in which the long bar material is used; (A) and (B) are partially cut-away front and side views showing the Takakuri Toga structure; ()'l is the longitudinal section of the bridge girder. Side view, Figure 3 is a front view of the entire body with a portion cut away, Figure 44 is an enlarged front view of the main part, Figure 5 is an enlarged bottom view of the main part, Figure 6 is an enlarged cross-sectional plan view of the section, and Figures 7 to 9
The figure is a schematic front view showing the processing order, Figure 1O is a front view of the main part showing the third point member shown in Figure 11 installed and replaced, Figure 11 is attached to the second o'J power point member. FIG. 7 is a perspective view illustrating the gripping groove of the third force point member used. (1)...Long bar-shaped material, +51, +61...
...Mounting 7 frame, state, C18')...1st town power point member, circle, (24')...2nd
Movable force point member, (9), (29')...Fixed fulcrum, e.g., (30')...oJ moving point (
b) Figure 2 (a) Figure 10 Figure 7 6 ■ 36, ip

Claims (1)

【特許請求の範囲】 ■　長尺棒状材＋ｌＪを折曲げ形式可能な固定支点（ロ
）を設けた取付フレーム（５）に、前記固定文点四近傍
の枢支軸周りに揺動可能に第１　ＣＩＴ動力点郡材州が
枢着され、この第１可動力点部材州に前記長尺棒状材ｔ
ｌ）を前記固定支点側による折曲げ箇所、Ｃ＃）も端部
側において、折曲げ形成可能な可動交点■が孜けられて
いるとともに、前記可動支点（３０１近傍に枢着されｆ
ｃ第２町動力点部材例が前記第１　ｏＪ動力点部材賭に
連動して揺動可能に構成さｆＬ、もって、前記第１、′
ｆＪ２町動力点部材霞、圀）の連動揺動ＶＣよって、前
記長尺棒状材ｔｌｊを前記固定叉点−及び可動支点（３
０）周りで同時に折曲げ形成り能に構成しである多支点
式長尺棒状材曲げ機。 ■　同一平面内に槽成さｔ″した取付７レーム（５）、
　■（６）に、長尺棒状材［１）を折曲げ形成０Ｔ能な
固定支点（４））、　（２９’）が設けられているとと
もに、それら固定支点（２）、　（２９’）近傍外側位
置において揺動可能な第１可動カ点部材（１８）　、　
（１８’）が枢着され、これら第１ｏＪ動カ点部材す〜
、（１８つに前記長尺棒状材１１）の前記固定支点ｆ２
９１．（２９’）による折曲げ箇所よりも端部側におい
て折曲げ可能な可動支点−，（８０’）が設けられてい
るとともに、前記可動支点（３０）　、　（８０’）近
傍に枢着さｎｆｃ第２可動カ点部材は、（２４’）大々
か、前記各第１可動力点部材（１ｍ　、　（１８’、）
に連動する状態で駆動揺動可能に構成され、もって取付
フレーム（ａｌ　、　ｉｌｌ側各々において第１゜第２
可動力点部材（Ｉ８１．　（１８’）及び（２）、　（
２４’ンの連動揺動によって、前記長尺棒状材（１）を
その長手方向２箇所において前記固定支点ｔ２９）　。 （２９’）及び可動支点国、　（８０’）　８りで同時
に大々複数段折曲げ形成可能に構成されている多支点式
長尺棒状材曲げ機。 前記取付７ソーム（５）、（６）が相対遠近移動自在に
構成されている特許請求の範囲第■項記載の多点式長尺
棒状材曲げ機。[Scope of Claims] ■ A mounting frame (5) provided with a fixed fulcrum (b) that can bend the long rod-shaped material 1 A CIT power point member is pivotally mounted, and the long bar-shaped member t is attached to this first movable power point member.
l) is bent by the fixed fulcrum side, and C#) is also provided with a movable intersection point (2) on the end side, which can be bent, and the movable intersection (f) is pivoted near the movable fulcrum (301).
The second power point member is configured to be able to swing in conjunction with the first power point member.
fJ2 town power point member Kasumi, Kuni)) The long rod-shaped material tlj is moved between the fixed fork point and the movable fulcrum point (3).
0) A multi-fulcrum type long bar bending machine that is configured to be able to bend and form bends at the same time around the circumference. ■ Mounting 7 frames (5) with tanks formed in the same plane,
■(6) is provided with fixed fulcrums (4), (29') capable of bending and forming the long bar material [1] to 0T, and in the vicinity of these fixed fulcrums (2), (29'). a first movable point member (18) that is swingable in an outer position;
(18') are pivotally mounted, and these first oJ movable point members ~
, the fixed fulcrum f2 of (the 18 long rod-shaped members 11)
91. A movable fulcrum -, (80') that can be bent is provided on the end side of the bending point (29'), and the NFC is pivoted near the movable fulcrum (30), (80'). The second movable point member is (24') or each of the first movable point members (1m, (18',)
The structure is configured such that it can be driven and moved in conjunction with the mounting frame (al and ill), so that the first and second
Movable force point member (I81. (18') and (2), (
The long bar-shaped member (1) is moved to the fixed fulcrum point t29) at two locations in the longitudinal direction by a 24' interlocking motion. (29') and a movable fulcrum, (80') A multi-fulcrum type long bar bending machine that is configured to be able to bend multiple stages at the same time. The multi-point long rod-shaped material bending machine according to claim 1, wherein the mounting parts (5) and (6) are configured to be relatively movable.