JPH0223371Y2 - - Google Patents
Info
- Publication number
- JPH0223371Y2 JPH0223371Y2 JP1984201166U JP20116684U JPH0223371Y2 JP H0223371 Y2 JPH0223371 Y2 JP H0223371Y2 JP 1984201166 U JP1984201166 U JP 1984201166U JP 20116684 U JP20116684 U JP 20116684U JP H0223371 Y2 JPH0223371 Y2 JP H0223371Y2
- Authority
- JP
- Japan
- Prior art keywords
- back seat
- fixing plate
- cutter
- planer
- centrifugal
- 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
Links
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Milling, Drilling, And Turning Of Wood (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は木工機械において刃物が魔耗したとき
随時交換可能としかんな胴の回転によつて生じる
遠心力で刃物を固定するようにしたかんな胴の固
定部分を改良したかんな胴に関する。[Detailed description of the invention] Industrial application field The present invention is a method for fixing a planer barrel in a woodworking machine so that the knife can be replaced at any time when it wears out, and the knife is fixed by the centrifugal force generated by the rotation of the planer barrel. Concerning a planer barrel with improved parts.
従来技術
木工機械用かんな胴の刃物はその切味の低下に
対してスローアウエイ形をした刃物自体を交換す
るか、或いは一旦取外して再研磨することが行な
われており、この取外した刃物を正確且迅速にか
んな胴に取付けるように種々の工夫がなされてい
る。スローアウエイ刃物を用いて秀れた形式のも
のに外国で製作され販売されている第6図に示す
ものが知られている。即ちかんな胴本体1の円周
上数等角度位置に歯底となる凹部1aにつゞいて
外周に対して傾斜して係合部を有する溝2が削設
されており、こゝに係合部を有する刃物3と遠心
固定板4が挿入されてかんな胴本体1の回転の遠
心力で遠心固定板4が飛び出すことにより楔作用
で刃物3を固定するものである。この溝2には刃
物3の裏側のすくい面に形成された凹部または凸
部3aに係合する凸部または凹部1bを側壁面2
aに形成され、側壁面2aが段に形成されていて
段面1cの高さは刃物3が裏側の凹部3aが側壁
面2aの凸部1bに係合された状態において刃物
3の表面3bと同一面となる高さを有しており、
段につゞく底1dは一般深くなつていて、係合部
の凸部1bに対向する溝の側壁面1eは刃物表面
3b、段面1cの共通面に対して外側が狭くなる
傾斜面となつていて、楔形状をした遠心固定板4
がかんな胴本体1の回転による遠心力で飛び出す
ことにより側面に働らく楔作用で刃物3が係合部
側に押し付けられ固定されるものである。PRIOR TECHNOLOGY When the cutting edge of a planer barrel for a woodworking machine deteriorates, the throw-away blade itself is replaced, or it is removed and resharpened. In addition, various devices have been devised to quickly attach it to the plane barrel. An excellent type of knife using a throw-away knife is shown in Fig. 6, which is made and sold overseas. That is, grooves 2 having engaging portions are cut in the recessed portions 1a, which serve as the bottoms of the teeth, at several equiangular positions on the circumference of the planer body 1, and are inclined with respect to the outer circumference. A cutter 3 having a section and a centrifugal fixing plate 4 are inserted, and the centrifugal fixing plate 4 pops out due to the centrifugal force of the rotation of the planer barrel body 1, thereby fixing the cutter 3 by a wedge action. This groove 2 has a convex or concave portion 1b that engages with a concave or convex portion 3a formed on the rake surface on the back side of the blade 3 on the side wall surface 2.
a, the side wall surface 2a is formed in steps, and the height of the step surface 1c is the same as the surface 3b of the cutter 3 when the recess 3a on the back side is engaged with the protrusion 1b of the side wall surface 2a. It has a height that is on the same plane,
The bottom 1d of the steps is generally deep, and the side wall surface 1e of the groove facing the convex portion 1b of the engaging portion is an inclined surface that is narrower on the outside with respect to the common surface of the blade surface 3b and the step surface 1c. Curved, wedge-shaped centrifugal fixing plate 4
The knife 3 is pushed toward the engaging portion side by the wedge action that is exerted on the side surface when the knife is ejected by the centrifugal force caused by the rotation of the planer body 1 and is fixed.
考案が解決しようとする問題点
切削により刃物の切れ味の低下に対して刃物3
は交換されるが、長時間の切削による切屑のため
歯底1aおよび度々の刃物交換によつて刃物3の
位置決めを行うかんな胴本体1側の凸部1bが部
分的に摩耗、変形してきて正確な位置決めと確実
な取付けが困難となる不都合があつた。Problems that the invention aims to solve Knives 3
However, due to chips from long-term cutting, the tooth bottom 1a and the protrusion 1b on the side of the planer barrel body 1 that positions the blade 3 due to frequent blade replacements have become partially worn and deformed, making it difficult to maintain accuracy. There was an inconvenience in that accurate positioning and reliable installation were difficult.
問題点を解決するための手段
基準側面11bにつゞき顎部11cを有する溝
18内に刃物13の係合位置決め部13aに対応
する係合位置決め部12fを有するとゝもに係合
部と同じ側に遠心固定板14で刃物13と同時に
押圧される面12gを有し前記溝18内の基準面
11bに位置決めされ前記顎部11cに保持され
る凸部を有する裏座を取換可能に挿入し、遠心力
で顎部に凸部が圧接位置決めされた該裏座の係合
部に係合された刃物が裏座とゝもに遠心固定板で
固定されるかんな胴である。Means for Solving the Problems An engagement positioning portion 12f corresponding to the engagement positioning portion 13a of the cutter 13 is provided in the groove 18 having the jaw portion 11c on the reference side surface 11b. The back seat has a surface 12g that is pressed simultaneously with the cutter 13 by the centrifugal fixing plate 14 on the same side, and has a protrusion positioned on the reference surface 11b in the groove 18 and held by the jaw 11c.The back seat is replaceable. This is a planer barrel in which a cutting tool is inserted and engaged with the engaging part of the back seat, the protrusion of which is positioned in pressure contact with the jaw part by centrifugal force, and is fixed to the back seat by a centrifugal fixing plate.
実施例
以下本考案の実施例を図面にもとづき説明す
る。かんな胴本体11は円周方向に本例では4等
角度位置に歯底11aが軸方向にかんな胴幅にわ
たり形成されていて、この歯底11aの一部に
かゝり裏座12刃物13、遠心固定板14が挿入
される溝18がかんな胴幅にわたる削設されてい
る。溝18は歯底11aの途中からかんな胴本体
11の直径線に平行な基準面となる側壁面11b
につゞいて基準面であり且係合部となる直角の顎
面11cが形成され、基準面となる底面11dが
顎面11cと平行であつて、遠心固定板14が挿
入される部の底面11eは一段深く形成され、基
準面の側壁面11bに対向する側壁面は従来公知
のものと同じように外方に口が狭くなるような傾
斜面11fとなつている。この溝18に挿入され
る本考案の裏座12は頂面12aが歯底11aに
つゞいて深くなる弧状をなし、溝18の基準面の
側壁面11bに当接する側面12bには顎面11
cに係合して飛び出さないように保持される突部
12cが底面11dとの間で隙間なく嵌合するよ
うに形成され、溝18の各基準面11b,11
c,11dにより常に確実に位置決めされる。ま
たその反対側の刃物13に対する面12eの頂面
12a寄りに刃物13裏側のすくい面に形成され
た台形凸部(第2図)または凹部(第3図)13
aと係合する台形の凹部または凸部12fが形成
され、また同面の底面12d寄りに従来形の段部
1cに相当する遠心固定板14に押圧される突面
12gが形成され、該突面12gは刃物13が裏
座12の係合凹部または凸部12fに係合したと
きの表面13dと同一面でかんな胴本体11の基
準面11bと平行になるよう側面12bよりの厚
みが決められている。そして裏座12の長さはか
んな胴本体11の長さに等しい長さにつくられて
いる。刃物13はかんな胴本体11の長さに等し
く、軸方向の切刃13b,13cが係合部のある
側で係合部に対して対称位置に形成され、裏座1
2に固定されたとき切刃13bまたは13cはか
んな胴本体11の外周より僅かに突出し、切刃1
3bまたは13cに続く逃げ面はかんな胴本体1
1の外周へと続くように形成されている。遠心固
定板14はかんな胴本体11の傾斜面11fと刃
物13の表面13dとのなす角度と等しい角度を
有する楔形をなし、回転による遠心力で飛び出し
たとき楔として働き、頂面14aはかんな胴本体
11の外周より突出せず刃物13の逃げ面とかん
な胴本体11の外周を結ぶ線に一致するような斜
面であつて、この状態で底部は溝18の底面より
浮き上るような寸法に形成されている。またかん
な胴本体11の中心は機械主軸に取付ける貫通穴
があけられており、両側面には中心ボス11gが
形成され、該ボス11g上に止リング15を同心
的に回動可能に保持する押えリング16がボルト
17によりかんな胴本体11の側面に取付けられ
ている。止リング15の外径はかんな胴本体11
の歯底11aより出ない大きさであつて、刃物1
3と対応する位置本例では4等角位置に刃物13
の挿入時に干渉しないような切欠15aが設けら
れており刃物13を取替え時以外は止リング15
を回動させて切欠15aの位置をずらせておくも
のである。Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings. The planer barrel main body 11 has tooth bottoms 11a formed in the circumferential direction at four equal angular positions in the axial direction over the width of the planer barrel, and a back seat 12, a cutter 13, A groove 18 into which the centrifugal fixing plate 14 is inserted is cut across the width of the planer barrel. The groove 18 extends from the middle of the tooth bottom 11a to a side wall surface 11b that serves as a reference surface parallel to the diameter line of the planer barrel body 11.
A right-angled jaw surface 11c that serves as a reference surface and an engaging portion is formed, a bottom surface 11d that serves as a reference surface is parallel to the jaw surface 11c, and the bottom surface of the portion where the centrifugal fixing plate 14 is inserted. 11e is formed one step deeper, and the side wall surface opposite to the side wall surface 11b of the reference surface is an inclined surface 11f that narrows outward as in the conventionally known one. The back seat 12 of the present invention inserted into this groove 18 has an arc shape in which the top surface 12a becomes deeper toward the tooth bottom 11a, and the side surface 12b that contacts the side wall surface 11b of the reference surface of the groove 18 has a jaw surface 11.
The protrusion 12c, which is held so as not to pop out by engaging with the groove 18, is formed to fit with the bottom surface 11d without a gap, and the reference surfaces 11b, 11 of the groove 18
c and 11d ensure reliable positioning at all times. Further, a trapezoidal convex portion (FIG. 2) or a concave portion (FIG. 3) 13 is formed on the rake surface on the back side of the blade 13 near the top surface 12a of the surface 12e relative to the blade 13 on the opposite side.
A trapezoidal concave or convex portion 12f that engages with the groove a is formed, and a protruding surface 12g that is pressed against the centrifugal fixing plate 14 corresponding to the conventional step portion 1c is formed near the bottom surface 12d of the same surface. The thickness of the surface 12g from the side surface 12b is determined so that the surface 12g is the same surface as the surface 13d when the blade 13 engages with the engagement recess or projection 12f of the back seat 12 and parallel to the reference surface 11b of the planer barrel body 11. ing. The length of the back seat 12 is made to be equal to the length of the planer body 11. The cutter 13 is equal to the length of the planer barrel body 11, and has axial cutting edges 13b and 13c formed at symmetrical positions with respect to the engaging part on the side where the engaging part is located, and the back seat 1.
2, the cutting blade 13b or 13c slightly protrudes from the outer periphery of the planer body 11, and the cutting blade 1
The flank following 3b or 13c is the plane body body 1
It is formed so as to continue to the outer periphery of 1. The centrifugal fixing plate 14 has a wedge shape having an angle equal to the angle between the inclined surface 11f of the planer barrel main body 11 and the surface 13d of the cutter 13, and functions as a wedge when it is ejected by centrifugal force due to rotation, and the top surface 14a is attached to the planer barrel. The slope is such that it does not protrude from the outer periphery of the main body 11 and matches the line connecting the flank of the cutter 13 and the outer periphery of the planer body 11, and is dimensioned so that the bottom part rises above the bottom surface of the groove 18 in this state. has been done. A through hole for attaching to the main shaft of the machine is formed in the center of the planer barrel body 11, and a center boss 11g is formed on both sides, and a presser foot is provided on the boss 11g to concentrically and rotatably hold the retaining ring 15. A ring 16 is attached to the side surface of the planer barrel body 11 by bolts 17. The outer diameter of the retaining ring 15 is the same as that of the planer barrel body 11.
The blade 1 is of a size that does not protrude from the tooth bottom 11a of the blade 1.
In this example, the cutter 13 is placed at the 4 isometric position corresponding to 3.
A notch 15a is provided to prevent interference when inserting the retaining ring 15, and the retaining ring 15 is
is rotated to shift the position of the notch 15a.
作 用
かんな胴本体11に裏座12、遠心固定板14
を装着するためボルト17をゆるめて押えリング
16及び止リング15を取外したあと、裏座12
を溝18の基準面である面11b,11c,11
dに接するように突部12cを嵌合し、遠心固定
板14を裏座の面12bと溝18の傾斜面11f
との間にゆるく挿入したあと、止リング15を当
て押えリング16をボルト17でかんな胴側面に
固定し、止リング15を回動して切欠15aを刃
物13の挿入位置に対応させる。次いで刃物13
の凸部13aを裏座12の凹部12fに係合する
状態で遠心固定板14との隙間に挿入し、止リン
グ15を回動して切欠15aの位置をずらせて刃
物13が抜け出ないようにして機械主軸に取付け
る。そしてモータのスイツチを入れてかんな胴本
体11を回転させると、遠心固定板14は遠心力
のため外方に飛び出し斜面11fと刃物表面13
d及び裏座12の突面12gとの間にくい込み楔
作用によつて刃物13を裏座12に、裏座12を
溝18の基準面に圧着する。この状態で切削が可
能となる。長時間の切削により切れ味が低下し刃
物13の切刃13b,13cの位置を替えるには
木ハンマにて遠心固定板14の頂面14aを叩き
楔力によるくいつきを解いてゆるめたあと、両側
の止リング15の切欠15aを刃物13位置に合
わせ横から刃物13を押し出し180゜反転して反対
側切刃13cを使用するように挿入し両止リング
15の切欠15aの位置をずらしてかんな胴本体
11を回転して刃物を固定する。更に長時間の使
用により裏座12の頂面12aの切屑による摩耗
変形し、係合凹部12fが変形損傷したときは、
押えリング16を取外し裏座12を抜き出し新し
いものに取替え止リング15、押えリング16を
取付けて固定するものである。Function Planer body 11, back seat 12, centrifugal fixing plate 14
After loosening the bolt 17 and removing the retaining ring 16 and retaining ring 15 to attach the
The surfaces 11b, 11c, 11 which are the reference surfaces of the groove 18
d, and the centrifugal fixing plate 14 is connected to the surface 12b of the back seat and the inclined surface 11f of the groove 18.
After loosely inserting the retaining ring 15 between the retaining ring 16 and the planer body side with bolts 17, the retaining ring 15 is rotated so that the notch 15a corresponds to the insertion position of the cutter 13. Next, cutlery 13
Insert the protrusion 13a into the gap with the centrifugal fixing plate 14 in a state where it engages with the recess 12f of the back seat 12, and rotate the retaining ring 15 to shift the position of the notch 15a to prevent the cutter 13 from slipping out. and attach it to the main shaft of the machine. Then, when the motor is turned on and the planer body 11 is rotated, the centrifugal fixing plate 14 jumps outward due to centrifugal force, forming the slope 11f and the blade surface 13.
The cutting tool 13 is pressed to the back seat 12 and the back seat 12 is pressed to the reference surface of the groove 18 by the wedge action between the protruding surface 12g of the back seat 12 and the protruding surface 12g of the back seat 12. Cutting is possible in this state. To change the position of the cutting blades 13b and 13c of the cutter 13 due to the sharpness deteriorated due to long-term cutting, tap the top surface 14a of the centrifugal fixing plate 14 with a wooden hammer to loosen the binding caused by the wedge force, and then Align the cutout 15a of the retaining ring 15 with the cutter 13 position, push out the cutter 13 from the side, turn it 180 degrees, insert it so that the opposite side cutting edge 13c is used, shift the position of the notch 15a of both retainer rings 15, and remove the cutter 13 from the side. Rotate 11 to fix the blade. Furthermore, if the top surface 12a of the back seat 12 is worn and deformed by chips due to long-term use, and the engagement recess 12f is deformed and damaged,
The retaining ring 16 is removed, the back seat 12 is taken out, and the retaining ring 15 and retaining ring 16 are attached and fixed to new ones.
効 果
以上詳述したように本考案はかんな胴本体に設
けた刃物との係合部分及び遠心固定板の当接部を
裏座に設けてこの裏座を取替え可能に設けたの
で、歯底の摩耗、係合部の変形に対しても、かん
な胴本体を取替えるような費用がかからず少額の
費用ですむようになり、また裏座の交換がいとも
簡単に早く且正確に行なえるものである。更に重
切削、軽切削、仕上切削等の切削目的に合わせて
刃物の形状、厚み等が変更されるときは裏座を刃
物に合わせるのみで広範囲に容易に対応できる。
更に裏座に溝の顎部に係合する凸部を設けて遠心
力で圧接するようになしたので、裏座、刃物の取
換えにおいても位置決めが安定して正確に行われ
る効果を有する。Effects As detailed above, in the present invention, the part that engages with the cutter and the abutting part of the centrifugal fixing plate provided on the main body of the planer are provided on the back seat, and this back seat is made replaceable. Even in the case of wear and deformation of the engaging part, there is no need to replace the main body of the plane, and the cost is small, and the back seat can be replaced easily, quickly and accurately. . Furthermore, when the shape, thickness, etc. of the blade are changed depending on the purpose of cutting, such as heavy cutting, light cutting, finishing cutting, etc., it can be easily adapted to a wide range of situations by simply adjusting the back seat to the blade.
Furthermore, since the back seat is provided with a convex portion that engages with the jaws of the groove so that they are pressed against each other by centrifugal force, positioning can be performed stably and accurately even when replacing the back seat and the blade.
第1図は本考案のかんな胴本体の横断面図、第
2図は刃物取付部分の拡大図、第3図は刃物係合
部の他の実施例を示す図、第4図はかんな胴本体
の縦断面図、第5図は同側面図、第6図は従来の
刃物取付状態図である。
11……かんな胴本体、11b……側壁面、1
1c……顎部、11d……底面、11f……傾斜
面、12……裏座、12c……突部、12f……
係合凹部または凸部、12g……突面、13……
刃物、13a……係合凸部、13b,13c……
切刃、14……遠心固定板。
Fig. 1 is a cross-sectional view of the main body of the planer barrel of the present invention, Fig. 2 is an enlarged view of the blade attachment part, Fig. 3 is a diagram showing another embodiment of the blade engaging part, and Fig. 4 is the main body of the planer cylinder. FIG. 5 is a side view of the same, and FIG. 6 is a diagram of a conventional blade installed. 11... Planer trunk body, 11b... Side wall surface, 1
1c...Jaw portion, 11d...Bottom surface, 11f...Slanted surface, 12...Back seat, 12c...Protrusion, 12f...
Engagement recess or protrusion, 12g...protrusion, 13...
Knife, 13a... Engaging convex portion, 13b, 13c...
Cutting blade, 14...Centrifugal fixing plate.
Claims (1)
で係合位置決め部を有する刃物が遠心固定板によ
つて固定される木工機械用かんな胴において、前
記溝は遠心固定板が接する傾斜面の反対面に基準
面及び顎部が形成されており、該溝内に前記基準
面に位置決めされる面と前記顎部に係合保持され
る凸部を有しこの反対面に前記刃物の係合位置決
め部と対応する係合位置決め部を有するとともに
その同じ側に続いて前記遠心固定板で刃物と同時
に押圧される押圧面を有する裏座が取換可能に挿
入され、遠心力で凸部が顎部に圧接位置決めされ
た該裏座の係合位置決め部に係合された刃物が裏
座とともに前記遠心固定板によりかんな胴に固定
されることを特徴とする木工機械用かんな胴。 In a planer barrel for a woodworking machine in which a cutter having replaceable engagement positioning portions is fixed to grooves provided at several locations on the same circumference by a centrifugal fixing plate, the grooves are inclined at an angle where the centrifugal fixing plate contacts. A reference surface and a jaw are formed on the opposite surface of the surface, and a surface positioned on the reference surface and a convex portion that is engaged and held in the jaw are formed in the groove, and the blade is mounted on the opposite surface. A back seat having an engagement positioning part corresponding to the engagement positioning part and having a pressing surface that is pressed simultaneously with the cutter by the centrifugal fixing plate is inserted in a replaceable manner on the same side, and the convex part is pressed by the centrifugal force. A planer barrel for a woodworking machine, characterized in that a cutter engaged with an engagement positioning portion of the back seat, which is positioned in pressure contact with a jaw portion, is fixed to the planer barrel together with the back seat by the centrifugal fixing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984201166U JPH0223371Y2 (en) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984201166U JPH0223371Y2 (en) | 1984-12-26 | 1984-12-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61111701U JPS61111701U (en) | 1986-07-15 |
JPH0223371Y2 true JPH0223371Y2 (en) | 1990-06-26 |
Family
ID=30762696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984201166U Expired JPH0223371Y2 (en) | 1984-12-26 | 1984-12-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0223371Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004058464A1 (en) * | 2002-12-26 | 2004-07-15 | Kanefusa Kabushiki Kaisha | Milling cutter and positioning gauge for the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2742498B2 (en) * | 1993-10-06 | 1998-04-22 | 株式会社松岡カッター製作所 | Method of fixing blade of rotary blade device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658810A (en) * | 1979-10-05 | 1981-05-22 | Bosch Gmbh Robert | Planer knife drum |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57118802U (en) * | 1981-01-17 | 1982-07-23 |
-
1984
- 1984-12-26 JP JP1984201166U patent/JPH0223371Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5658810A (en) * | 1979-10-05 | 1981-05-22 | Bosch Gmbh Robert | Planer knife drum |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004058464A1 (en) * | 2002-12-26 | 2004-07-15 | Kanefusa Kabushiki Kaisha | Milling cutter and positioning gauge for the same |
Also Published As
Publication number | Publication date |
---|---|
JPS61111701U (en) | 1986-07-15 |
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