JP2996898B2 - Bending equipment for band-shaped blades - Google Patents
Bending equipment for band-shaped bladesInfo
- Publication number
- JP2996898B2 JP2996898B2 JP7162793A JP16279395A JP2996898B2 JP 2996898 B2 JP2996898 B2 JP 2996898B2 JP 7162793 A JP7162793 A JP 7162793A JP 16279395 A JP16279395 A JP 16279395A JP 2996898 B2 JP2996898 B2 JP 2996898B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- arc
- thickness direction
- bending
- shaped
- 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
- Bending Of Plates, Rods, And Pipes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、帯状刃材を三次元に曲
げる曲げ加工装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bending apparatus for bending a band-shaped blade three-dimensionally.
【０００２】[0002]
【従来の技術】厚紙等を所定形状に打ち抜いたり切り目
を入れたりするための帯状刃材は、例えば、図８に示す
ような円筒状のダイボード 101の外周面に形成された溝
部 102…に、刃先が外方へ突出するように植え込まれ
る。2. Description of the Related Art A band-shaped blade material for punching or cutting a cardboard or the like into a predetermined shape is formed, for example, in a groove 102 formed on an outer peripheral surface of a cylindrical die board 101 as shown in FIG. It is implanted so that the cutting edge protrudes outward.
【０００３】上述のような円筒状のダイボード 101に帯
状刃材を植え込むには、幅方向に弯曲した円弧状の帯状
刃材を、ダイボード 101の溝部 102…の形状に合うよう
に厚み方向へ曲げる必要がある。しかして、従来、その
ような曲げ作業は、職人が手作業にて行っていた。In order to implant a band-shaped blade into the cylindrical die board 101 as described above, an arc-shaped band-shaped blade bent in the width direction is bent in the thickness direction so as to match the shape of the groove 102 of the die board 101. There is a need. Conventionally, such bending work has been performed manually by a craftsman.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上述のように
手作業にて帯状刃材を厚み方向に曲げると、作業性がき
わめて低く、かつ、ある程度の熟練を要するという問題
があった。However, when the band-shaped blade is manually bent in the thickness direction as described above, there is a problem that workability is extremely low and some skill is required.
【０００５】そこで、本発明は、上述の問題を解決し
て、幅方向に弯曲した円弧状の刃材を、厚み方向へ自動
的にかつ高精度に曲げることができる帯状刃材の曲げ加
工装置を提供することを目的とする。Accordingly, the present invention solves the above-mentioned problems, and a bending apparatus for a band-shaped blade material capable of automatically and highly accurately bending an arc-shaped blade material curved in the width direction in the thickness direction. The purpose is to provide.
【０００６】[0006]
【課題を解決するための手段】上述の目的を達成するた
めに本発明に係る帯状刃材の曲げ加工装置は、幅方向に
弯曲した円弧状の帯状刃材にその刃材の円弧に沿って前
方へ送りを与える刃材送り機構と、該刃材の円弧を含む
仮想円の中心点と該円弧の一点とを結ぶ直径線を折り目
として該刃材に厚み方向の曲げを与える厚み方向曲げ機
構と、を備え；上記刃材送り機構が、刃材の円弧状外端
縁に転動自在に当接する押さえローラー と、該刃材の円
弧状内端縁側に形成された櫛歯部に噛合すると共に該刃
材に送りを与えるように回転駆動される駆動ギヤーと、
を有し；上記厚み方向曲げ機構が、刃材の円弧を含む仮
想円の中心点と該円弧の一点とを結ぶ直径線に略一致す
る前端縁を有すると共に該刃材の厚み方向の両側面に当
接する一対の固定駒と、該固定駒の僅かに前方位置に、
上記刃材の厚み方向と平行な方向へ所定間隔をもって配
設されると共に上記刃材の側面に当たって該刃材に曲げ
を与えるように移動可能とされた一対の移動駒とを、備
えているものである。SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, an apparatus for bending a band-shaped blade according to the present invention is arranged so that an arc-shaped band-shaped blade bent in the width direction is formed along the arc of the blade. A blade material feed mechanism for feeding forward, and a thickness direction bending mechanism for bending the blade material in a thickness direction by using a diameter line connecting a center point of an imaginary circle including an arc of the blade material and one point of the arc as a fold The blade material feeding mechanism is configured to have an arc-shaped outer end of the blade material.
A press roller that rolls against the edge and a circle of the blade material
The blade meshes with the comb teeth formed on the inner side of the arc and has the blade.
A drive gear that is rotationally driven to provide feed to the material,
The thickness-direction bending mechanism includes a temporary material including an arc of a blade material.
Substantially coincides with the diameter line connecting the center point of the imaginary circle and one point of the arc.
Front edge and contact both sides in the thickness direction of the blade.
A pair of fixed pieces in contact with each other, at a position slightly in front of the fixed pieces,
Arrange at predetermined intervals in the direction parallel to the thickness direction of the blade material.
And bends the blade material against the side surface of the blade material.
And a pair of movable pieces that can be moved to give
It is what you have .
【０００７】また、幅方向に弯曲した円弧状の帯状刃材
にその刃材の円弧に沿って前方へ送りを与える刃材送り
機構と、該刃材の円弧を含む仮想円の中心点と該円弧の
一点とを結ぶ直径線を折り目として該刃材に厚み方向の
曲げを与える厚み方向曲げ機構と、を備え；上記刃材送
り機構が、刃材の円弧状外端縁に転動自在に当接する押
さえローラーと、該刃材の円弧状内端縁に転動可能に当
接すると共に該刃材に送りを与えるように回転駆動され
る駆動ローラーと、を有し；上記厚み方向曲げ機構が、
刃材の円弧を含む仮想円の中心点と該円弧の一点とを結
ぶ直径線に略一致する前端縁を有すると共に該刃材の厚
み方向の両側面に当接する一対の固定駒と、該固定駒の
僅かに前方位置に、上記刃材の厚み方向と平行な方向へ
所定間隔をもって配設されると共に上記刃材の側面に当
たって該刃材に曲げを与えるように移動可能とされた一
対の移動駒とを、備えているものである。 Also, an arc-shaped band-shaped blade material curved in the width direction.
Blade feed that gives the feed forward along the arc of the blade
A mechanism, a center point of an imaginary circle including the arc of the blade material, and
With the diameter line connecting one point as a fold,
A thickness-direction bending mechanism for applying bending; wherein the blade member feed mechanism is configured to hold the roller in a rollable manner against an arc-shaped outer edge of the blade member, and to roll on an arc-shaped inner edge of the blade member. Possible
Anda rotary driven drive roller so as to provide a feed to the blade material as to contact; the thickness direction bending mechanism,
Connect the center point of an imaginary circle including the arc of the blade to one point of the arc
Having a front edge substantially coinciding with the diameter of the
A pair of fixed pieces abutting on both sides in the
Slightly forward, in the direction parallel to the thickness direction of the blade
It is arranged at a predetermined interval and contacts the side of the blade material.
One that is movable so as to give a bending to the blade material
And a pair of moving pieces.
【０００８】また、幅方向に弯曲した円弧状の帯状刃材
にその刃材の円弧に沿って前方へ間欠的に送りを与える
回転体群を有する刃材送り用ケーシングを、基台上に固
定状に設けると共に、該ケーシングの前方に、上記刃材
の厚み方向の側面を支持する固定駒を配設し、さらに、
上記刃材の円弧を含む仮想円の中心点と該円弧の一点と
を結ぶ直径線を折り目として該刃材に厚み方向の曲げを
与える移動駒を、上記固定駒の前方の上記基台上に、上
記刃材の厚み方向と平行な方向へスライド自在に設け、
さらに、該移動駒の前方に、外面が上記円弧の中心点を
中心とする球面の一部を成すと共に該外面が上記刃材の
円弧状内端縁に略摺接するカバー部材を配設して、その
カバー部材の外部に、上記刃材の曲げ加工時の横振れを
逃げる逃 げ用空間部を、設けたものである。 [0008] An arc-shaped band-shaped blade material curved in the width direction.
To intermittently feed forward along the arc of the blade
The blade material feed casing having the rotating body group is fixed on the base.
The blade material is provided in a fixed manner and in front of the casing.
Arrange fixed pieces that support the side in the thickness direction of
The center point of the virtual circle including the arc of the blade material and one point of the arc
Bend the blade material in the thickness direction with the diameter line connecting
The moving piece to be given is placed on the base in front of the fixed piece.
Provided slidably in a direction parallel to the thickness direction of the blade material,
Further, in front of the moving piece, the outer surface defines the center point of the arc.
The outer surface of the blade material forms a part of the center spherical surface and
A cover member that almost slides on the inner edge of the arc
On the outside of the cover member, set
The escape up space portion to escape, but provided.
【０００９】[0009]
【作用】（請求項１によれば）帯状刃材の円弧を含む仮
想円の中心点とその円弧の一点とを結ぶ直径線を、折り
目として、その刃材を厚み方向に僅かに曲げて、その
後、刃材を円弧に沿って前方へ僅かに送って、再び厚み
方向に僅かに曲げる。このような工程を所定回数繰り返
すことにより、帯状刃材を厚み方向に所望の角度及び所
望の形状に曲げることができる。また、一対の移動駒の
何れか一方が刃材の厚み方向の一側面に当たると、その
刃材は、固定駒の前端縁に沿った線を折り目として、厚
み方向の他側面へ曲がる。その折り目は、刃材の円弧を
含む仮想円の中心点とその円弧の一点とを結ぶ直径線に
略一致する。According to the first aspect of the present invention, the diameter line connecting the center point of the virtual circle including the arc of the band-shaped blade and one point of the circular arc is used as a fold, and the blade is slightly bent in the thickness direction. Thereafter, the blade is slightly fed forward along the arc and slightly bent again in the thickness direction. By repeating such a process a predetermined number of times, the band-shaped blade can be bent at a desired angle and a desired shape in the thickness direction. Further, when one of the pair of movable pieces hits one side in the thickness direction of the blade, the blade bends to the other side in the thickness direction along a line along the front edge of the fixed piece. The fold substantially coincides with a diameter line connecting the center point of the virtual circle including the arc of the blade material and one point of the arc.
【００１０】また、帯状刃材は、押さえローラーと駆動
ギヤーにて、幅方向外方から挾持状に保持される。か
つ、駆動ギヤーは、刃材の円弧状内端縁側に形成された
櫛歯部に噛合するので、駆動ギヤーの回転角度と刃材の
送りの変位との比にばらつきが無くなり、刃材（刃先）
の送りを精密に制御できる。[0010] The band-shaped blade is held by the pressing roller and the driving gear from outside in the width direction. In addition, since the drive gear meshes with the comb teeth formed on the arcuate inner edge side of the blade material, the ratio between the rotation angle of the drive gear and the displacement of the blade material feed is eliminated, and the blade material (blade tip) )
Feeding can be precisely controlled.
【００１１】（請求項２によれば）帯状刃材は、押さえ
ローラーと駆動ローラーにて、幅方向外方から挾持状に
保持される。かつ、駆動ローラーを回転させればその回
転角度に比例して刃材を円弧に沿って送ることができ
る。According to the second aspect of the present invention , the band-shaped blade is held by the pressing roller and the driving roller from outside in the width direction. In addition, if the driving roller is rotated, the blade material can be fed along an arc in proportion to the rotation angle.
【００１２】（請求項３によれば）帯状刃材は、刃材送
り用ケーシング内の回転体群にて、その刃材の円弧に沿
って前方へ間欠的に送られる。刃材の送りが停止してい
るときに、移動駒が刃材の略厚み方向へ移動して、刃材
は、固定駒と移動駒との間にて、その刃材の円弧を含む
仮想円の中心点とその円弧の一点とを結ぶ直径線を折り
目として、厚み方向に所定角度曲げられる。その後、刃
材を僅かに前方へ送ってその刃材を厚み方向に所定角度
曲げる。According to the third aspect of the present invention, the band-shaped blade is intermittently fed forward along the arc of the blade in a group of rotating members in the blade feeding casing. When the feed of the cutting material is stopped, the moving piece moves in a substantially thickness direction of the cutting material, and the cutting material is located between the fixed piece and the moving piece, and is a virtual circle including the arc of the cutting material. Is bent at a predetermined angle in the thickness direction using a diameter line connecting the center point of the circle and one point of the arc as a fold line. After that, the blade is slightly fed forward and bent at a predetermined angle in the thickness direction.
【００１３】このように刃材を前方へ送って曲げる工程
を所定回数繰り返すことにより、帯状刃材を厚み方向に
所望の角度及び所望の形状に曲げることができる。ま
た、移動駒の前方のカバー部材の外部の逃げ用空間部に
より、曲げ加工時に刃材が自由に横振れできる。By repeating the step of sending the blade material forward and bending it a predetermined number of times, the band-shaped blade material can be bent at a desired angle and a desired shape in the thickness direction. Further, the blade member can freely oscillate during bending due to the escape space outside the cover member in front of the moving piece.
【００１４】[0014]
【実施例】以下、図示の実施例に基き本発明を詳説す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments.
【００１５】図１は本発明に係る帯状刃材の曲げ加工装
置の一実施例を示し、この装置は、ダンボール等を所定
形状に打ち抜く抜型に使用される帯状刃材１を所定形状
に曲げるためのものであり、幅方向に弯曲した円弧状の
刃材１を挿通するスリット部２ａを後部に有する基台２
と、その基台２上に固定状に設けられた刃材送り用ケー
シング３と、そのケーシング３の前方に矢印Ａにて示す
如く左右方向へスライド自在に配設される刃材曲げ用ス
ライドブロック４と、基台２上に取付けられると共にス
ライドブロック４を左右方向へスライド駆動させるスラ
イド駆動体５と、を備えている。FIG. 1 shows an embodiment of an apparatus for bending a band-shaped blade according to the present invention. This apparatus is used to bend a band-shaped blade 1 used in a die for punching a cardboard or the like into a predetermined shape. And a base 2 having a slit portion 2a at a rear portion for inserting an arc-shaped blade member 1 curved in the width direction.
And a blade material feeding casing 3 fixedly provided on the base 2, and a blade material bending slide block slidably disposed in front of the casing 3 so as to be slidable in the left-right direction as indicated by an arrow A. And a slide driver 5 mounted on the base 2 and configured to slide the slide block 4 in the left-right direction.
【００１６】基台２は、板状の部材にて形成され、か
つ、刃材１を逃げるための切欠部６を、前端部に有して
いる。The base 2 is formed of a plate-like member, and has a cutout 6 at the front end for allowing the blade 1 to escape.
【００１７】刃材送り用ケーシング３は、基台２のスリ
ット部２ａの前方に固設される。そのケーシング３は、
刃材１にその刃材１の円弧に沿って前方へ間欠的に送り
を与える回転体群７を有する。The blade material feeding casing 3 is fixedly provided in front of the slit portion 2a of the base 2. The casing 3 is
A rotating body group 7 for intermittently feeding the blade member 1 forward along the arc of the blade member 1 is provided.
【００１８】しかして、図１と図２の（イ）（ロ）と図
３と図４に示すように、この曲げ加工装置は、帯状刃材
１にその刃材１の円弧に沿って前方へ送りを与える刃材
送り機構15と、刃材１の円弧を含む仮想円Ｃの中心点と
その円弧の一点とを結ぶ直径線Ｄを折り目として刃材１
に厚み方向の曲げを与える厚み方向曲げ機構16と、を備
えている。ここで、「刃材１の円弧を含む仮想円Ｃの中
心点とその円弧の一点とを結ぶ直径線Ｄを折り目とし
て」とは、幾何学的に上記直径線Ｄに折り目を一致させ
る場合に限定されず、僅かに相対的に傾斜したり、位置
ずれさせる場合も、（折曲の実際の諸条件に於て、あり
得るので、）そのような場合をも本発明では包含してい
る。Thus, as shown in FIGS. 1 and 2 (a) and (b) and FIGS. 3 and 4, the bending apparatus is provided on the band-shaped blade 1 along the circular arc of the blade 1. Blade feed mechanism 15 for feeding the blade material 1 and a diameter line D connecting a center point of an imaginary circle C including the arc of the blade material 1 and one point of the circular arc as a fold line.
And a thickness direction bending mechanism 16 for giving a bending in the thickness direction. Here, “the fold line is the diameter line D connecting the center point of the virtual circle C including the arc of the blade member 1 and one point of the arc” means that the fold line is geometrically matched to the diameter line D. The present invention encompasses, without being limited to, a case in which the body is slightly inclined or displaced relatively, because such a case is possible under actual conditions of bending.
【００１９】刃材送り機構15は、回転体群７と、回転駆
動モーター17を、有する。回転体群７は、刃材１の円弧
状外端縁に転動自在に当接する２個の押さえローラー
８，８と、刃材１の円弧状内端縁側に形成された櫛歯部
10に噛合する駆動ギヤー９と、駆動ギヤー９の後方にて
刃材１の円弧状内端縁に転動自在に当接する支持ローラ
ー11と、から成る。The blade member feed mechanism 15 has a rotating body group 7 and a rotation drive motor 17. The rotator group 7 includes two pressing rollers 8, 8 that rollably contact the arc-shaped outer edge of the blade member 1, and a comb tooth portion formed on the arc-shaped inner edge side of the blade member 1.
The drive gear 9 meshes with the support gear 10, and a support roller 11 is provided behind the drive gear 9 so as to rollably contact the arc-shaped inner edge of the blade 1.
【００２０】ケーシング３の上面には、エアシリンダー
12と刃材クランプ機構用のカバー41が付設される。ま
た、エアシリンダー12のシリンダーロッドの下端に枢支
部13が設けられ、その枢支部13に、前後両端部に押さえ
ローラー８，８が枢着されたアーム片14が、左右方向の
水平軸心廻りに揺動自在に枢着される（図２の（イ）
（ロ）参照）。（なおこのエアシリンダー12の代りにス
プリング等の付勢力を付与する機構を設けても良い。）An air cylinder is provided on the upper surface of the casing 3.
12 and a cover 41 for the blade material clamping mechanism are provided. A pivot 13 is provided at the lower end of the cylinder rod of the air cylinder 12, and an arm piece 14, on which the pressing rollers 8, 8 are pivotally attached at both front and rear ends, is provided on the pivot 13, around a horizontal axis in the left-right direction. Is pivotally attached to (see (a) in FIG. 2)
(B)). (A mechanism for applying a biasing force such as a spring may be provided instead of the air cylinder 12.)
【００２１】押さえローラー８は、図６の断面図に示す
ように、外周面に周方向のＶ溝部26を有する。そのＶ溝
部26の谷底部には、刃材１の刃先１ａを逃げるための小
凹溝26ａが形成されている。これにより、刃材１の刃先
１ａを破損することなくガイドできる。As shown in the cross-sectional view of FIG. 6, the pressing roller 8 has a circumferential V-shaped groove 26 on the outer peripheral surface. A small concave groove 26a for escaping the cutting edge 1a of the blade material 1 is formed at the bottom of the V-groove 26. Thereby, the blade edge 1a of the blade member 1 can be guided without being damaged.
【００２２】回転駆動モーター17は、図５に示すよう
に、ケーシング３の一側面に、高さ調整部材19を介し
て、高さ調整可能に取付けられる。高さ調整部材19は、
ケーシング３の一側面に固着される取付金具19ａと、モ
ーター17が固着されると共に取付金具19ａに取付けられ
るスライド金具19ｂと、を有する。As shown in FIG. 5, the rotary drive motor 17 is mounted on one side surface of the casing 3 via a height adjusting member 19 so as to be adjustable in height. The height adjustment member 19 is
It has a mounting bracket 19a fixed to one side surface of the casing 3, and a slide bracket 19b to which the motor 17 is fixed and which is mounted on the mounting bracket 19a.
【００２３】スライド金具19ｂの四隅近傍には、上下方
向の長孔39…が形成され、その長孔39…に挿通される小
ねじ部材40を介して、スライド金具19ｂが取付金具19ａ
に上下スライド可能に取付けられる。スライド金具19ｂ
の上面には、高さ調整用つまみ付ねじ24, 24が枢着され
る。そのつまみ付ねじ24, 24は、取付金具19ａの上端の
水平片部に上下方向へ螺進退自在に螺入される。In the vicinity of the four corners of the slide fitting 19b, vertically long holes 39 are formed, and the slide fitting 19b is attached to the mounting fitting 19a via a small screw member 40 inserted through the long holes 39.
It can be slid up and down. Slide bracket 19b
Height adjustment knob screws 24, 24 are pivotally mounted on the upper surface of the. The screws 24 with the knobs are screwed into the horizontal piece at the upper end of the mounting bracket 19a so as to be able to reciprocate vertically.
【００２４】回転駆動モーター17の出力軸18は、図４に
示すように、駆動ギヤー９に軸心に沿って取付けられた
軸部材20に連動連結される。As shown in FIG. 4, the output shaft 18 of the rotary drive motor 17 is linked to a shaft member 20 attached to the drive gear 9 along the axis.
【００２５】さらに、駆動ギヤー９には、ベアリング21
を介して、アーム片22, 22の一端部が揺動自在に取付け
られる。そのアーム片22, 22の他端部には、支持ローラ
ー11が回転自在に枢着される。Further, the drive gear 9 includes a bearing 21.
One end of each of the arm pieces 22, 22 is swingably attached through the arm. A support roller 11 is pivotally attached to the other ends of the arm pieces 22, 22 so as to be freely rotatable.
【００２６】アーム片22は、ケーシング３内に設けられ
た弾発部材23にて、支持ローラー11が常時刃材１の円弧
状内端縁に当接するように弾発付勢される（図２の
（イ）（ロ）参照）。支持ローラー11の外周面には、刃
材１の円弧状内端縁の櫛歯部10に噛合するギヤ部11ａが
形成される（図４参照）。The arm piece 22 is elastically urged by an elastic member 23 provided in the casing 3 so that the support roller 11 always comes into contact with the arc-shaped inner edge of the blade member 1 (FIG. 2). (A) and (b)). A gear portion 11a is formed on the outer peripheral surface of the support roller 11 so as to mesh with the comb tooth portion 10 of the arc-shaped inner edge of the blade member 1 (see FIG. 4).
【００２７】しかして、前記つまみ付ねじ24, 24を螺進
退させることにより、回転駆動モーター17と駆動ギヤー
９と支持ローラー11の高さ位置を調整できる。このた
め、刃材１の幅方向の弯曲の変化に合わせて、駆動ギヤ
ー９と支持ローラー11を、刃材１の円弧状内端縁に確実
に当接させることができる。The height positions of the rotary drive motor 17, the drive gear 9, and the support roller 11 can be adjusted by screwing the knob screws 24, 24 back and forth. For this reason, the drive gear 9 and the support roller 11 can be reliably brought into contact with the arc-shaped inner edge of the blade 1 in accordance with the change in the curvature of the blade 1 in the width direction.
【００２８】また、駆動ギヤー９が、刃材１の円弧状内
端縁側に形成された櫛歯部10に噛合するので、刃材１を
高精度に送ることができる。即ち、刃先の送り寸法は、
櫛歯部10の櫛歯の歯数に対応するので、送られる歯数を
精密に制御することにより、刃先の送り寸法が正確とな
る。Further, since the drive gear 9 meshes with the comb teeth portion 10 formed on the arcuate inner edge of the blade member 1, the blade member 1 can be fed with high precision. In other words, the feed dimension of the cutting edge is
Since it corresponds to the number of teeth of the comb teeth of the comb tooth portion 10, by precisely controlling the number of teeth to be fed, the feed dimension of the cutting edge becomes accurate.
【００２９】また、図２の（イ）（ロ）と図５と図７の
（イ）（ロ）（ハ）（ニ）に示すように、厚み方向曲げ
機構16は、前記直径線Ｄに略一致する前端縁25を有する
と共に刃材１の厚み方向の両側面に当接する一対の固定
駒27, 27と、その固定駒27,27の僅かに前方位置に、刃
材１の厚み方向と平行な方向へ所定間隔Ｓをもって配設
されると共に刃材１の側面に当たってその刃材１に曲げ
を与えるように移動可能とされた一対の移動駒28, 28と
を、備えている。As shown in FIGS. 2A and 2B and FIGS. 5A and 5B and FIGS. 7A and 7B, the thickness direction bending mechanism 16 A pair of fixed pieces 27, 27 having front edges 25 that substantially coincide with each other and abutting on both side faces in the thickness direction of the blade 1, and the thickness direction of the blade 1 at a position slightly forward of the fixed pieces 27, 27. It has a pair of movable pieces 28, 28 which are arranged in a parallel direction at a predetermined interval S, and which are movable on the side surface of the blade member 1 so as to bend the blade member 1.
【００３０】即ち、ケーシング３の前方に、刃材１の厚
み方向の側面を支持する固定駒27,27を配設する。ま
た、移動駒28, 28は、固定駒27, 27の前方の基台２上
に、刃材１の厚み方向と平行な方向へスライド自在に設
けられる。That is, in front of the casing 3, fixed pieces 27, 27 for supporting the side surface of the blade member 1 in the thickness direction are provided. The movable pieces 28, 28 are slidably provided on the base 2 in front of the fixed pieces 27, 27 in a direction parallel to the thickness direction of the blade member 1.
【００３１】具体的には、図１に示すように、ケーシン
グ３の下部前面３ａに左右方向のレール部材29が固着さ
れる。また、移動駒28, 28を上部に有するスライドブロ
ック４が、レール部材29に（矢印Ａにて示す）左右方向
へスライド自在に取付けられる。More specifically, as shown in FIG. 1, a left-right rail member 29 is fixed to the lower front surface 3a of the casing 3. Further, the slide block 4 having the movable pieces 28, 28 on the upper part is attached to the rail member 29 so as to be slidable in the left-right direction (indicated by an arrow A).
【００３２】さらに、スライドブロック４の一端は、基
台２上のスライド駆動体５に設けられたクランクアーム
31の先端部に連結される。スライド駆動体５は、図示省
略の駆動モーターと減速機構とカムとクランクアーム31
を有し、モーターの回転駆動によりクランクアーム31が
略左右方向へ移動するように構成されている。Further, one end of the slide block 4 is connected to a crank arm provided on a slide drive 5 on the base 2.
It is connected to the tip of 31. The slide driver 5 includes a drive motor, a reduction mechanism, a cam, and a crank arm 31 (not shown).
The crank arm 31 is configured to move substantially in the left-right direction by the rotational driving of the motor.
【００３３】また、スライドブロック４の前方の基台２
上に、センサー取付金具32が固着される。その取付金具
32の後面には、移動駒28, 28の左右方向の位置を検知す
るセンサー33ａ，33ｂ，33ｃが、付設される。The base 2 in front of the slide block 4
The sensor mounting bracket 32 is fixed thereon. The mounting bracket
Sensors 33a, 33b, 33c for detecting the positions of the moving pieces 28, 28 in the left-right direction are attached to the rear surface of the 32.
【００３４】さらに、スライドブロック４の前面に、セ
ンサー33ａ，33ｂ，33ｃにて検知される被検知部材34
が、固着される。Further, on the front surface of the slide block 4, a detected member 34 detected by sensors 33a, 33b, 33c.
Is fixed.
【００３５】また、スライドブロック４の前面とセンサ
ー取付金具32の後面に、スライドブロック４の移動寸法
を電気信号に変換するスケール43（マグネスケール）
が、設けられる。そのスケール43は、スライドブロック
４の前面に固着された摺動子44と、センサー取付金具32
の後面に固着されたスケール本体45と、から成る。On the front surface of the slide block 4 and on the rear surface of the sensor mounting bracket 32, a scale 43 (magnescale) for converting a moving dimension of the slide block 4 into an electric signal.
Is provided. The scale 43 includes a slider 44 fixed to the front surface of the slide block 4 and the sensor mounting bracket 32.
And a scale body 45 fixed to the rear surface of the scale.
【００３６】前記スケール43とセンサー33ａ，33ｂ，33
ｃは、図外の制御手段（制御回路）に電気的に接続され
る。The scale 43 and the sensors 33a, 33b, 33
c is electrically connected to control means (control circuit) not shown.
【００３７】しかして、スケール43とセンサー33ａ，33
ｂ，33ｃからの信号が制御手段にフィードバックされ
て、刃材送り機構15のモーター17と厚み方向曲げ機構16
のモーターの正逆転、停止、回転数等が精密に制御され
る。Thus, the scale 43 and the sensors 33a, 33
b and 33c are fed back to the control means, and the motor 17 of the blade material feed mechanism 15 and the thickness direction bending mechanism 16
The rotation of the motor is controlled precisely.
【００３８】また、移動駒28, 28の前方に、外面36が刃
材１の円弧の中心点を中心とする球面の一部を成すと共
にその外面36が刃材１の円弧状内端縁に略摺接するカバ
ー部材35を配設して、そのカバー部材35の外部に、刃材
１の曲げ加工時の横振れを逃げる逃げ用空間部Ｒを、設
ける。In front of the moving pieces 28, 28, the outer surface 36 forms a part of a spherical surface centered on the center point of the arc of the blade 1, and the outer surface 36 is formed on the inner edge of the arc of the blade 1. A cover member 35 that is substantially in sliding contact is provided, and an escape space portion R that escapes lateral vibration during bending of the blade member 1 is provided outside the cover member 35.
【００３９】なお、図例では、カバー部材35の外面36の
曲率半径が、円弧の半径が小さい帯状刃材１の円弧状内
端縁の半径よりも僅かに小さく設定されている（図２の
（イ）参照）。In the illustrated example, the radius of curvature of the outer surface 36 of the cover member 35 is set to be slightly smaller than the radius of the arc-shaped inner edge of the band-shaped blade 1 having a small arc radius (see FIG. 2). (B)).
【００４０】上述の構成により、この曲げ加工装置によ
れば、円弧の半径が相違する複数種の帯状刃材１に対応
できる。即ち、図２の（イ）に示すように、帯状刃材１
の円弧の半径が小さい場合と、図２の（ロ）に示すよう
に、刃材１の半径が大きい場合のどちらでも、その刃材
１の円弧状外端縁に押さえローラー８，８を確実に当接
させることができると共に、円弧状内端縁に駆動ギヤー
９と支持ローラー11を確実に当接させることができる。With the above-described configuration, the bending apparatus can cope with a plurality of types of band-shaped blade members 1 having different arc radii. That is, as shown in FIG.
In both the case where the radius of the arc is small and the case where the radius of the blade 1 is large as shown in FIG. 2 (b), the pressing rollers 8, 8 are securely attached to the arc-shaped outer edge of the blade 1. And the drive gear 9 and the support roller 11 can be reliably brought into contact with the arc-shaped inner edge.
【００４１】しかして、この曲げ加工装置にて刃材１の
曲げ加工を行うには、予め幅方向に弯曲した円弧状に形
成された刃材１を本装置にセットする。そして、例え
ば、図７の（イ）に示すように、一対の固定駒27, 27と
移動駒28, 28の間に、刃材１を挿通させてその刃材１を
前方へ送る。即ち、刃材送り機構15の駆動ギヤー９を、
回転させて刃材１に送りを与える（図２の（イ）（ロ）
参照）。In order to bend the blade member 1 with this bending apparatus, the blade member 1 which is formed in an arc shape which is curved in the width direction in advance is set in the present apparatus. Then, for example, as shown in FIG. 7A, the blade 1 is inserted between a pair of fixed pieces 27, 27 and the movable pieces 28, 28, and the blade 1 is sent forward. That is, the drive gear 9 of the blade material feed mechanism 15 is
Rotate to feed blade material 1 ((a) (b) in FIG. 2)
reference).
【００４２】その後、図７の（ロ）に示すように、刃材
１の所定箇所チが固定駒27, 27の前端縁25, 25の中間位
置に到達したところで刃材１の送りを停止し、かつ、移
動駒28, 28を移動させて、一方の定駒移動駒28を刃材１
の一側面に強く押し当ててその刃材１を所定箇所チにて
所定角度だけ折り曲げる。Thereafter, as shown in FIG. 7 (b), when the predetermined position of the blade member 1 reaches an intermediate position between the front edges 25, 25 of the fixed pieces 27, 27, the feeding of the blade member 1 is stopped. And moving the movable pieces 28, 28 so that one fixed piece
Strongly, and bends the blade material 1 at a predetermined position at a predetermined angle.
【００４３】次に、図７の（ハ）に示すように、移動駒
28, 28を元の位置まで後退させると共に、刃材１を再び
前方へ送る（図２参照）。Next, as shown in FIG.
28, 28 are retracted to the original position, and the blade member 1 is sent forward again (see FIG. 2).
【００４４】その後、図７の（ニ）に示すように、刃材
１の上記所定箇所チよりも僅かに後方の所定箇所リが固
定駒27, 27の前端縁25, 25の中間位置に到達したところ
で刃材１の送りを停止し、かつ、移動駒28, 28を移動さ
せて、一方の定駒移動駒28を刃材１の一側面に強く押し
当ててその刃材１を所定箇所リにて所定角度だけ折り曲
げる。Thereafter, as shown in FIG. 7D, a predetermined portion of the blade member 1 slightly behind the above-mentioned predetermined portion H reaches an intermediate position between the front edges 25, 25 of the fixed pieces 27, 27. Then, the feed of the blade 1 is stopped, and the moving pieces 28, 28 are moved. One fixed piece moving piece 28 is strongly pressed against one side of the blade 1, and the blade 1 is repositioned at a predetermined position. Is bent by a predetermined angle.
【００４５】以上の操作を繰り返して、刃材１を間欠的
に送りつつ、刃材１の送りが停止されるごとに、移動駒
28, 28を移動させて曲げ加工すれば、刃材１が所定微小
間隔おきに複数箇所で折り曲げられて、全体として弯曲
状に折り曲げ加工することができる。そして、所定微小
間隔と曲げ回数、曲げ方向等を変化させれば、刃材１を
所望の形状に曲げることができる。The above operation is repeated, and while the blade member 1 is intermittently fed, each time the feeding of the blade member 1 is stopped, the moving piece
If the bending work is performed by moving 28, 28, the blade material 1 is bent at a plurality of locations at predetermined minute intervals, and the whole can be bent into a curved shape. By changing the predetermined minute interval, the number of times of bending, the bending direction, and the like, the blade member 1 can be bent into a desired shape.
【００４６】なお、上述の操作は、刃材を曲げる箇所や
曲げ角度、曲げ方向等のデータを入力した図外のコンピ
ュータ等の制御手段にて自動的に行われる。The above-mentioned operation is automatically performed by a control means such as a computer (not shown) to which data such as a place where the blade material is bent, a bending angle, and a bending direction are input.
【００４７】しかして、上記の如く曲げ加工された刃材
１は、図８に示すような円筒状のダイボード 101の外周
面に形成された溝部 102…に植え込まれる。即ち、本装
置によれば、刃材１がダイボード 101の溝部 102…に寸
法の誤差なく嵌まり得るように、刃材１を所定形状に自
動的に曲げ加工できる。Thus, the blade material 1 bent as described above is implanted in grooves 102 formed on the outer peripheral surface of a cylindrical die board 101 as shown in FIG. That is, according to the present apparatus, the blade 1 can be automatically bent into a predetermined shape so that the blade 1 can be fitted into the grooves 102 of the die board 101 without any dimensional error.
【００４８】なお、直線的な帯状刃材を幅方向に曲げる
曲げ装置を、本装置の直前位置に配置するも好ましい。
そのようにすれば、刃材の幅方向の曲げ加工と厚み方向
の曲げ加工を連続的に行うことができる。It is also preferable that a bending device for bending a straight band-shaped blade in the width direction is disposed immediately before the present device.
By doing so, the bending in the width direction and the bending in the thickness direction of the blade material can be continuously performed.
【００４９】次に、図９は、他の実施例の要部を示し、
刃材送り機構15が、刃材１の円弧状外端縁に転動自在に
当接する押さえローラー８，８と、その刃材１の円弧状
内端縁に転動可能に当接すると共に刃材１に送りを与え
るように回転駆動される駆動ローラー37と、駆動ローラ
ー37の後方にて刃材１の円弧状内端縁に転動自在に当接
する支持ローラー11と、を有している。Next, FIG. 9 shows a main part of another embodiment.
A press roller 8, 8 in which a blade member feed mechanism 15 rollably abuts an arc-shaped outer edge of the blade member 1, and a roll member abuts on an arc-shaped inner edge of the blade member 1 while being rotatable. 1 includes a drive roller 37 that is driven to rotate so as to feed the feed roller 1, and a support roller 11 that is rotatably abutted on the arc-shaped inner edge of the blade member 1 behind the drive roller 37.
【００５０】駆動ローラー37は、ウレタンやゴム等の弾
性部材にて形成され、外周面が刃材１の円弧状内端縁に
圧接する。また、駆動ローラー37は、図外のモーターの
出力軸に連動連結される。なお、この刃材送り機構15
は、図１〜図４に示した駆動ギヤー９を有していない。
他の構成は、図１〜図７に示したものと同様である。The driving roller 37 is formed of an elastic member such as urethane or rubber, and its outer peripheral surface is in pressure contact with the inner edge of the blade material 1 in an arc shape. The drive roller 37 is linked to an output shaft of a motor (not shown). This blade material feed mechanism 15
Does not have the drive gear 9 shown in FIGS.
Other configurations are the same as those shown in FIGS.
【００５１】上述の構成により、駆動ローラー37を容易
に製造することができると共に、製造コストを低くする
ことができる。With the above configuration, the driving roller 37 can be easily manufactured, and the manufacturing cost can be reduced.
【００５２】次に、図10は、別の実施例の要部を示し、
刃材送り機構15が、刃材１の厚み方向の両側面に転動可
能に当接する一対の挾持状ローラー38, 38を有し、その
挾持状ローラー38, 38の内の一方が、刃材１に送りを与
えるように回転駆動される。Next, FIG. 10 shows a main part of another embodiment.
The blade member feed mechanism 15 has a pair of pinching rollers 38, 38 which rollably abut on both side surfaces in the thickness direction of the blade member 1, and one of the pinching rollers 38, 38 1 is driven to rotate.
【００５３】即ち、一方の挾持状ローラー38が、図外の
モーターの出力軸に連動連結され、他方の挾持状ローラ
ー38は、刃材１の送り方向に回転自在とされる。挾持状
ローラー38, 38は、ウレタンやゴム等の弾性部材にて形
成され、外周面が刃材１の厚み方向の両側面に圧接して
刃材１を送るための摩擦力を得ている。なお、この刃材
送り機構15の挾持状ローラー38, 38の一部を（図２や図
９に示した）櫛歯部10…に少し係止させつつ回転させる
のが好ましい。That is, one of the holding rollers 38 is operatively connected to the output shaft of a motor (not shown), and the other holding roller 38 is rotatable in the direction in which the blade 1 is fed. The holding rollers 38 are formed of an elastic member such as urethane or rubber, and the outer peripheral surface thereof comes into pressure contact with both side surfaces in the thickness direction of the blade member 1 to obtain a frictional force for feeding the blade member 1. It is preferable that a part of the holding rollers 38, 38 of the blade member feed mechanism 15 be rotated while slightly engaging the comb teeth portions 10 (shown in FIGS. 2 and 9).
【００５４】上述の構成により、刃材送り機構15の構造
が簡単となり、容易に製造できる。従って、本装置全体
の製造コストを減少できる。なお、挾持状ローラー38は
一対のみならず複数対設けるも自由である。また、両方
の挾持状ローラー38, 38をモーターにて回転駆動させて
もよい。With the above structure, the structure of the blade member feed mechanism 15 is simplified, and the blade member feed mechanism 15 can be easily manufactured. Therefore, the manufacturing cost of the entire apparatus can be reduced. It is to be noted that not only one pair but also a plurality of pairs of the holding rollers 38 may be provided. Further, both of the holding rollers 38, 38 may be driven to rotate by a motor.
【００５５】なお、本発明に於て、「仮想円Ｃの中心点
と該円弧の一点を結ぶ直径線Ｄ」と「折り目」との関係
は、幾何学的に完全に一致する場合は勿論であるが、そ
れ以外に僅かに傾斜したり、位置ずれを有する場合も、
包含する。In the present invention, the relation between the "diameter line D connecting the center point of the virtual circle C and one point of the arc" and the "fold line" need not be limited to the case where they completely match geometrically. There are, however, other cases where there is slight inclination or misalignment,
Include.
【００５６】なお、本発明は、上述の実施例以外にも設
計変更可能であり、例えば、図１〜図４に示した押さえ
ローラー８，８の内の一方をモーターにて回転駆動させ
ると共に駆動ギヤー９を回転自在として、刃材１に送り
を与えるも自由である。そのようにすれば、刃材１の刃
先を基準として送り寸法を高精度に制御できる。（刃先
にて送り量を直読できる。）あるいは、押さえローラー
８，８の内の他方を駆動させるも自由である。The present invention can be modified in design in addition to the above-described embodiment. For example, one of the pressing rollers 8, 8 shown in FIGS. The gear 9 can be freely rotated to feed the blade material 1. By doing so, the feed dimension can be controlled with high accuracy based on the cutting edge of the blade member 1. (The feed amount can be read directly by the blade.) Alternatively, the other of the pressing rollers 8, 8 may be driven.
【００５７】また、刃材送り機構15を、刃材１の円弧状
外端縁に当接する１個の押さえローラー８と円弧状内端
縁に当接する１個の駆動ギヤー９又は駆動ローラー37に
て、形成するも自由である。Further, the blade member feed mechanism 15 is connected to one pressing roller 8 contacting the arc-shaped outer edge of the blade member 1 and one drive gear 9 or driving roller 37 contacting the arc-shaped inner edge. It is also free to form.
【００５８】また、厚み方向曲げ機構16は、上記実施例
以外のものでも良く、例えば、移動駒28, 28が、固定駒
27, 27よりも後方の鉛直軸心廻りに揺動して略左右方向
へ移動するように構成するも好ましい。また、刃材送り
機構15を有するケーシング３に移動駒28, 28を固着する
と共に、移動駒28, 28の前方に固定駒27, 27を配設し
て、ケーシング３と移動駒28, 28が一体状に揺動又は移
動するように構成するも自由である。The thickness direction bending mechanism 16 may be other than the above-described embodiment.
27, 27, it is also preferable to be configured to swing about a vertical axis center behind and move substantially in the left-right direction. Further, the moving pieces 28, 28 are fixed to the casing 3 having the blade material feed mechanism 15, and the fixed pieces 27, 27 are disposed in front of the moving pieces 28, 28, so that the casing 3 and the moving pieces 28, 28 It is free to be configured to swing or move integrally.
【００５９】[0059]
【発明の効果】本発明は上述の構成により、次のような
著大な効果を奏する。The present invention has the following remarkable effects by the above-mentioned structure.
【００６０】請求項１記載の帯状刃材の曲げ加工装置に
よれば、円弧状の帯状刃材１を自動的にかつ正確に厚み
方向へ曲げて、三次元に曲がった刃材を簡単に得ること
ができる。これにより、本装置による三次元曲げ加工後
の刃材１を、円筒状のダイボードに形成された溝部に、
誰にでも簡単に嵌め込み得るような形状とすることがで
きる。また、厚み方向曲げ機構16の構造を簡単とするこ
とができると共に一層正確な形状に曲げ加工することが
できる。According to the apparatus for bending a band-shaped blade material according to the first aspect, the arc-shaped band-shaped blade material 1 is automatically and accurately bent in the thickness direction to easily obtain a three-dimensionally bent blade material. be able to. Thereby, the blade 1 after the three-dimensional bending by the present apparatus is inserted into the groove formed in the cylindrical die board.
The shape can be easily fitted to anyone. In addition, the structure of the thickness direction bending mechanism 16 can be simplified, and it can be bent into a more accurate shape.
【００６１】また、帯状刃材１を一層正確な三次元形状
に曲げ加工することができる。Further , the band-shaped blade 1 can be bent into a more accurate three-dimensional shape.
【００６２】請求項２記載の帯状刃材の曲げ加工装置に
よれば、請求項１記載のものと同様の効果を奏すると共
に、刃材送り機構15の構造が簡単となり、容易に製造す
ることができる。[0062] According to the bending apparatus of the belt-like blade member according to claim 2, with the same effects as those of claim 1, wherein, that the structure of the blade material feeding mechanism 15 is simplified, easily manufactured it can.
【００６３】請求項３記載の帯状刃材の曲げ加工装置に
よれば、円弧状の帯状刃材１を自動的にかつ正確に厚み
方向へ曲げることができる。これにより、本装置による
曲げ加工後の刃材１を、円筒状のダイボードに形成され
た溝部に、誰にでも簡単に嵌め込み得るような形状とす
ることができる。According to the apparatus for bending a band-shaped blade material according to the third aspect , the arc-shaped band-shaped blade material 1 can be automatically and accurately bent in the thickness direction. Thereby, the blade material 1 after bending by the present apparatus can be formed into a shape that can be easily fitted by anyone into the groove formed in the cylindrical die board.
【００６４】また、曲げ加工の際に、移動駒28, 28から
前方へ送り出された刃材１が他の物体に当たることなく
自由に左右に振れるようにし得る。従って、曲げ加工後
の刃材１が変形することは無く、仕上がりの形状が一層
正確となる。Further, at the time of bending, the blade member 1 sent forward from the movable pieces 28, 28 can freely swing right and left without hitting another object. Therefore, the blade material 1 after bending is not deformed, and the finished shape becomes more accurate.
【図１】本発明の一実施例の斜視図である。FIG. 1 is a perspective view of one embodiment of the present invention.
【図２】要部作用説明図である。FIG. 2 is an explanatory diagram of an operation of a main part.
【図３】要部拡大断面平面図である。FIG. 3 is an enlarged sectional plan view of a main part.
【図４】要部拡大断面平面図である。FIG. 4 is an enlarged sectional plan view of a main part.
【図５】要部斜視図である。FIG. 5 is a perspective view of a main part.
【図６】要部拡大断面図である。FIG. 6 is an enlarged sectional view of a main part.
【図７】要部の作用説明図である。FIG. 7 is an operation explanatory view of a main part.
【図８】ダイボードの斜視図である。FIG. 8 is a perspective view of a die board.
【図９】他の実施例の要部簡略説明図である。FIG. 9 is a simplified explanatory view of a main part of another embodiment.
【図10】別の実施例の要部簡略説明図である。FIG. 10 is a simplified explanatory diagram of a main part of another embodiment.
１ 刃材 ２ 基台 ３ 刃材送り用ケーシング ７ 回転体群 ８ 押さえローラー ９ 駆動ギヤー 10 櫛歯部 15 刃材送り機構 16 厚み方向曲げ機構 25 前端縁 27 固定駒 28 移動駒 35 カバー部材 36 外面 37 駆動ローラー 38 挾持状ローラー Ｃ 仮想円 Ｄ 直径線 Ｒ 逃げ用空間部 Ｓ 所定間隔 DESCRIPTION OF SYMBOLS 1 Blade material 2 Base 3 Blade material feeding casing 7 Rotating body group 8 Holding roller 9 Drive gear 10 Comb part 15 Blade material feeding mechanism 16 Thickness bending mechanism 25 Front edge 27 Fixed piece 28 Moving piece 35 Cover member 36 Outer surface 37 Driving roller 38 Nipping roller C Virtual circle D Diameter line R Escape space S Predetermined interval
Claims (3)
その刃材１の円弧に沿って前方へ送りを与える刃材送り
機構15と、該刃材１の円弧を含む仮想円Ｃの中心点と該
円弧の一点とを結ぶ直径線Ｄを折り目として該刃材１に
厚み方向の曲げを与える厚み方向曲げ機構16と、を備
え、上記刃材送り機構15が、刃材１の円弧状外端縁に転動自
在に当接する押さえローラー８と、該刃材１の円弧状内
端縁側に形成された櫛歯部10に噛合すると共に該刃材１
に送りを与えるように回転駆動される駆動ギヤー９と、
を有し、 上記 厚み方向曲げ機構16が、刃材１の円弧を含む仮想円
Ｃの中心点と該円弧の一点とを結ぶ直径線Ｄに略一致す
る前端縁25を有すると共に該刃材１の厚み方向の両側面
に当接する一対の固定駒27, 27と、該固定駒27, 27の僅
かに前方位置に、上記刃材１の厚み方向と平行な方向へ
所定間隔Ｓをもって配設されると共に上記刃材１の側面
に当たって該刃材１に曲げを与えるように移動可能とさ
れた一対の移動駒28, 28とを、備えていることを特徴と
する帯状刃材の曲げ加工装置。1. A blade member feed mechanism 15 for feeding an arc-shaped band-shaped blade member 1 curved in the width direction forward along an arc of the blade member 1, and a virtual circle C including an arc of the blade member 1. And a thickness direction bending mechanism 16 for bending the blade member 1 in the thickness direction by using a diameter line D connecting the center point of the circular arc and one point of the arc as a fold . Rolls on the outer edge of the arc
Roller 8 in contact with the inner surface of the blade 1
The blade material 1 meshes with the comb teeth 10 formed on the edge side.
A driving gear 9 that is driven to rotate so as to feed the
Have, the thickness direction bending mechanism 16, the blade material 1 which has a leading edge 25 which substantially coincides with the diameter line D connecting the single point of center point and the arc of an imaginary circle C that includes an arc of the blade material 1 A pair of fixed pieces 27, 27 abutting on both side surfaces in the thickness direction are provided at a predetermined distance S in a direction parallel to the thickness direction of the blade member 1 at a position slightly forward of the fixed pieces 27, 27. And a pair of movable pieces (28, 28) that can move so as to apply a bend to the blade member (1) by hitting the side surface of the blade member (1).
その刃材１の円弧に沿って前方へ送りを与える刃材送り
機構15と、該刃材１の円弧を含む仮想円Ｃの中心点と該
円弧の一点とを結ぶ直径線Ｄを折り目として該刃材１に
厚み方向の曲げを与える厚み方向曲げ機構16と、を備
え、 上記 刃材送り機構15が、刃材１の円弧状外端縁に転動自
在に当接する押さえローラー８と、該刃材１の円弧状内
端縁に転動可能に当接すると共に該刃材１に送りを与え
るように回転駆動される駆動ローラー37と、を有し、 上記厚み方向曲げ機構16が、刃材１の円弧を含む仮想円
Ｃの中心点と該円弧の一点とを結ぶ直径線Ｄに略一致す
る前端縁25を有すると共に該刃材１の厚み方向の両側面
に当接する一対の固定駒27, 27と、該固定駒27, 27の僅
かに前方位置に、上記刃材１の厚み方向と平行な方向へ
所定間隔Ｓをもって配設されると共に上記刃材１の側面
に当たって該刃材１に曲げを与えるように移動可能とさ
れた一対の移動駒28, 28とを、備えていることを特徴と
する 帯状刃材の曲げ加工装置。2. An arcuate band-shaped blade 1 curved in the width direction.
Blade feed that gives feed forward along the arc of the blade 1
A mechanism 15, a center point of an imaginary circle C including an arc of the blade member 1, and
A diameter line D connecting one point of the arc is a fold line for the blade material 1.
A thickness direction bending mechanism 16 for bending in the thickness direction is provided.
For example, the with the blade member feeding mechanism 15, the pressing roller 8 rollably abuts on the arc-shaped outer edge of the blade member 1, rollably abuts on an arc-shaped inner edge of the blade material 1 And a drive roller 37 that is driven to rotate so as to feed the blade 1, wherein the thickness direction bending mechanism 16 is a virtual circle including an arc of the blade 1.
It substantially coincides with the diameter line D connecting the center point of C and one point of the arc.
Side edges in the thickness direction of the blade 1
And a pair of fixed pieces 27, 27 contacting the
Crab forward position, in a direction parallel to the thickness direction of the blade 1
A side surface of the blade member 1 which is disposed at a predetermined interval S
Can be moved to give a bend to the blade material 1 during
And a pair of movable pieces 28, 28
Bending apparatus of the belt-shaped blade member to.
その刃材１の円弧に沿って前方へ間欠的に送りを与える
回転体群７を有する刃材送り用ケーシ ング３を、基台２
上に固定状に設けると共に、該ケーシング３の前方に、
上記刃材１の厚み方向の側面を支持する固定駒27, 27を
配設し、さらに、上記刃材１の円弧を含む仮想円Ｃの中
心点と該円弧の一点とを結ぶ直径線Ｄを折り目として該
刃材１に厚み方向の曲げを与える移動駒28, 28を、上記
固定駒27, 27の前方の上記基台２上に、上記刃材１の厚
み方向と平行な方向へスライド自在に設け、さらに、該
移動駒28, 28の前方に、外面36が上記円弧の中心点を中
心とする球面の一部を成すと共に該外面36が上記刃材１
の円弧状内端縁に略摺接するカバー部材35を配設して、
そのカバー部材35の外部に、上記刃材１の曲げ加工時の
横振れを逃げる逃げ用空間部Ｒを、設けたことを特徴と
する帯状刃材の曲げ加工装置。3. An arc-shaped band-shaped blade 1 curved in the width direction.
Intermittently feed forward along the arc of the blade 1
The blade member feeding casings 3 having a rotating body group 7, base 2
In addition to being fixedly provided on the upper side, in front of the casing 3,
Fixing pieces 27, 27 supporting the side surfaces in the thickness direction of the blade material 1
In the virtual circle C including the arc of the blade material 1
The diameter line D connecting the center point and one point of the arc is a fold line
The moving pieces 28, 28 for bending the blade 1 in the thickness direction are
On the base 2 in front of the fixed pieces 27, 27,
Slidably provided in a direction parallel to the
In front of the moving pieces 28, 28, the outer surface 36 is located at the center of the arc.
The outer surface 36 forms a part of a spherical surface as a center, and
Arrange the cover member 35 substantially slidably in contact with the inner edge of the arc,
At the time of bending the blade material 1 outside the cover member 35,
An escape space R for escaping sideways is provided.
Bending apparatus of the belt-shaped blade member to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7162793A JP2996898B2 (en) | 1995-06-05 | 1995-06-05 | Bending equipment for band-shaped blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7162793A JP2996898B2 (en) | 1995-06-05 | 1995-06-05 | Bending equipment for band-shaped blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08332524A JPH08332524A (en) | 1996-12-17 |
| JP2996898B2 true JP2996898B2 (en) | 2000-01-11 |
Family
ID=15761321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7162793A Expired - Fee Related JP2996898B2 (en) | 1995-06-05 | 1995-06-05 | Bending equipment for band-shaped blades |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2996898B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100639318B1 (en) | 2005-09-29 | 2006-10-31 | 박홍순 | Arc type blade transfer apparatus |
| KR100756062B1 (en) * | 2006-11-20 | 2007-09-07 | 윤민원 | Device for curving cutter |
| CN113953379A (en) * | 2019-08-26 | 2022-01-21 | 深圳市阿德沃自动化科技有限公司 | Knife bending machine |
| CN111299415A (en) * | 2019-12-25 | 2020-06-19 | 东莞唯客机电设备有限公司 | Circular mould curved knife machine |
-
1995
- 1995-06-05 JP JP7162793A patent/JP2996898B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08332524A (en) | 1996-12-17 |
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