JPH0440817Y2 - - Google Patents
Info
- Publication number
- JPH0440817Y2 JPH0440817Y2 JP1985029648U JP2964885U JPH0440817Y2 JP H0440817 Y2 JPH0440817 Y2 JP H0440817Y2 JP 1985029648 U JP1985029648 U JP 1985029648U JP 2964885 U JP2964885 U JP 2964885U JP H0440817 Y2 JPH0440817 Y2 JP H0440817Y2
- Authority
- JP
- Japan
- Prior art keywords
- saw blade
- band saw
- stretch
- guide
- cutting
- 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
- 238000005452 bending Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
Landscapes
- Sawing (AREA)
Description
【考案の詳細な説明】
ａ 産業上の利用分野
この考案は、帯鋸盤に係り、さらに詳細には、
帯鋸刃を案内する複数のガイドローラを大略半円
弧状に配置してなる帯鋸盤に関する。[Detailed description of the invention] a. Industrial application field This invention relates to a band saw machine, and more specifically,
The present invention relates to a band saw machine in which a plurality of guide rollers for guiding a band saw blade are arranged in an approximately semicircular arc shape.
ｂ 従来技術
従来の帯鋸盤でいわゆる横型帯鋸盤と言われる
ものは、例えば２個の鋸刃ホイールに帯鋸刃をか
けまわし、緊張させて１つの鋸刃ホイールを回転
駆動することで帯鋸刃を循環移動して効率よく棒
材などを次々と切断する切断機である。b. Prior Art Conventional band saw machines, so-called horizontal band saw machines, circulate the band saw blades by, for example, rotating the band saw blades around two saw blade wheels and rotating one saw blade wheel under tension. This is a moving cutting machine that efficiently cuts bar materials one after another.
棒材などの形状寸法は各種のものがあり、所望
の切断長さもいろいろであるから、循環走行の中
で切削を行なうストレツチ部分を低い水準位置に
保ち、循環のもどりのストレツチ部分は切削材料
の上の高い水準位置を切削せずにもどつて行く。 There are various shapes and dimensions of bars, etc., and the desired cutting length also varies, so the stretching part where cutting is performed during circulation is kept at a low level position, and the stretching part when returning from circulation is kept at a low level. Return to the upper high level position without cutting.
切削を行なうストレツチ部分は普通は帯鋸刃を
垂直に保つて切削を行なうが、２つの鋸刃ホイー
ルは45度から90度の範囲で前下りの傾斜からホイ
ール面が垂直のものまでが市販されている。 The stretch part that is cut is usually cut by keeping the bandsaw blade vertical, but the two saw blade wheels are commercially available with a range of angles from 45 degrees to 90 degrees, ranging from downward slopes to vertical wheel surfaces. There is.
前記したように横型帯鋸盤は棒材などの切断が
主体の作業であるから、切削ストレツチ部分は両
側にソーガイドで垂直に支承されていて、鋸刃ホ
イールから離れてソーガイドに達する間に45度か
ら90度のひねり起しが行なわれる。 As mentioned above, horizontal band saws are mainly used for cutting bar materials, etc., so the cutting stretch part is supported vertically by saw guides on both sides, and the cutting stretch part is supported vertically by saw guides on both sides, and the cutting stretch part is supported vertically from 45 degrees while leaving the saw blade wheel and reaching the saw guide. A 90 degree twist is performed.
ｃ 考案が解決しようとする問題点
前記したように横型帯鋸盤の帯鋸刃は、45度か
ら90度の範囲のひねり起しと、原状復帰のねじり
荷重を頻繁に受けるから、鋸刃ホイールから帯鋸
刃が離れる位置とソーガイドに入る位置との距離
はむやみに短縮できない。c Problems that the invention aims to solve As mentioned above, the band saw blade of a horizontal band saw machine is frequently subjected to twisting loads in the range of 45 degrees to 90 degrees and returning to its original state. The distance between the point where the blade leaves and the point where it enters the saw guide cannot be shortened unnecessarily.
また切削ストレツチと戻りストレツチとの距離
が大きい程大寸の棒材を切断できるが、ひねる角
度が大きくなるから上記した横方向の距離を大き
くしないと繰り返し曲げ疲労で寿命が短くなる不
都合があつた。 Also, the larger the distance between the cutting stretch and the return stretch, the larger the bar can be cut, but since the twisting angle becomes larger, unless the lateral distance mentioned above is increased, there is a problem that repeated bending fatigue will shorten the tool life. .
ｄ 問題を解決するための手段
上述のごとき問題に鑑みて、本考案は、エンド
レス状の帯鋸刃における切削ストレツチと戻りス
トレツチとを連結する曲線部分において帯鋸刃の
胴部を案内する複数のガイドローラを、ハウジン
グベースに大略半円弧状に配置してなる帯鋸盤に
して、各ガイドローラを、帯鋸刃の捻りおこし角
度に対応して傾斜して設け、各ガイドローラの配
置は、帯鋸刃の切削ストレツチに連結する下部側
の曲率半径よりも戻りストレツチに連結する上部
側の曲率半径が小さく、曲率半径の異なる曲線を
組合わせて大略半円弧状の配置としてなるもので
ある。d. Means for Solving the Problem In view of the above-mentioned problems, the present invention provides a plurality of guide rollers that guide the body of the band saw blade in the curved portion connecting the cutting stretch and return stretch of the endless band saw blade. are arranged in a roughly semicircular arc shape on a housing base, and each guide roller is provided at an inclination corresponding to the twisting angle of the band saw blade. The radius of curvature of the upper side connected to the return stretch is smaller than the radius of curvature of the lower side connected to the stretch, and curves with different radii of curvature are combined to form a roughly semicircular arc arrangement.
ｅ 作用
上記構成より明らかなように、帯鋸刃は各ガイ
ドローラによつて案内されつつ捻られているの
で、帯鋸刃を捻る範囲が長くなり、帯鋸刃が急激
に捻られることがないものである。また、切削ス
トレツチと戻りストレツチとの間が大きくなり、
大径の材料に対しても容易に対応し得るものであ
る。e. Effect As is clear from the above configuration, the band saw blade is twisted while being guided by each guide roller, so the range in which the band saw blade can be twisted is longer and the band saw blade is not twisted suddenly. . Also, the distance between the cutting stretch and the return stretch becomes larger,
It can also be easily applied to large-diameter materials.
ｆ 実施例
第１図に例示したのは本考案を実施したいわゆ
る横型帯鋸盤１である。f Embodiment What is illustrated in FIG. 1 is a so-called horizontal bandsaw machine 1 in which the present invention is implemented.
横型帯鋸盤１は機台３の片側（第１図の右側）
に軸体５を備えていて帯鋸刃７を循環移動自在に
保持するハウジングベース９に、大略半円弧状に
複数の鋸刃胴部ガイドローラ１１，１３が回転自
在に設けてある。 Horizontal bandsaw machine 1 is on one side of machine stand 3 (right side in Figure 1)
A plurality of saw blade body guide rollers 11 and 13 are rotatably provided in a substantially semicircular arc shape on a housing base 9 which is provided with a shaft body 5 and holds a bandsaw blade 7 so as to be freely circulatively movable.
帯鋸刃７が被加工材（図示省略）を切削する切
削ストレツチ７Ａの移動方向前後には、ソーガイ
ド１５，１５がガイドアーム１７，１７によつて
保持されていて、切削ストレツチ７Ａの間だけが
垂直姿勢で移動する。 Saw guides 15, 15 are held by guide arms 17, 17 before and after the cutting stretch 7A in which the band saw blade 7 cuts the workpiece (not shown), and only the part between the cutting stretches 7A is vertical. Move with posture.
第１図に破線で示した帯鋸刃部分が戻りストレ
ツチ７Ｂであつて、ガイドアーム１７の左右位置
を設定自在に保持するガイドプレート１９の裏を
歯先を裏方向に向けてほぼ水平に右から左へと移
動している例が示してある。 The band saw blade portion indicated by the broken line in FIG. An example of movement to the left is shown.
切削ストレツチ７Ａの図面後方にはバイスジヨ
ー２１，２１が設けてあり、ガイドアーム１７の
上方には制御パネル２３が設けてある。 Vise jaws 21, 21 are provided behind the cutting stretcher 7A in the drawing, and a control panel 23 is provided above the guide arm 17.
前記したハウジングベース９の左側に示した一
連の鋸刃胴部ガイドローラ１１は後述する手段に
よつて左右に移動自在で右側に示した一連の鋸刃
ガイドローラ１３との間にかけまわした帯鋸刃７
を緊張させたり緩めたりできる。 A series of saw blade body guide rollers 11 shown on the left side of the housing base 9 are movable left and right by means to be described later, and a band saw blade is wound around the series of saw blade guide rollers 13 shown on the right side of the housing base 9. 7
can be tightened or relaxed.
また右側の一連の鋸刃ガイドローラ１３は位置
を移動できないが、その内の適数のものが図示を
省略した電動機などで回転駆動され、ハウジング
ベース９は軸体５のまわりを適宜な手段で揺動昇
降させられて切削ストレツチ７Ａが下降時に被加
工材を切削する。 Although the series of saw blade guide rollers 13 on the right cannot be moved, a suitable number of them are rotationally driven by an electric motor (not shown), and the housing base 9 is moved around the shaft body 5 by suitable means. The cutting stretcher 7A cuts the workpiece when lowered by swinging up and down.
第２、第３、第４図は左側の一連の鋸刃胴部ガ
イドローラ１１とその周辺を拡大して示したもの
である。 2, 3, and 4 are enlarged views of the series of saw blade body guide rollers 11 on the left and their surroundings.
第１図には省略したが前記したハウジングベー
ス９は、左右に分離した厚板部分であつて上部が
チヤンネルなどの連結形鋼２５で連結してある。 Although omitted from FIG. 1, the housing base 9 described above is a thick plate portion separated into left and right parts, and the upper part is connected by a connecting section steel 25 such as a channel.
第３図、第４図に明らかなように、左側のハウ
ジングベース９には例えば小形の流体圧シリンダ
２７が設けてある。そのピストンロツド２９に連
結されたスライドプレート３１がハウジングベー
ス９の前面に設けたガイドレール３３に案内され
て第３図の左右に移動自在である。 As is clear from FIGS. 3 and 4, the left housing base 9 is provided with, for example, a small hydraulic cylinder 27. A slide plate 31 connected to the piston rod 29 is guided by a guide rail 33 provided on the front surface of the housing base 9 and is movable left and right in FIG.
このスライドプレート３１の左側のほぼ円弧状
の部分には複数の鋸刃胴部のガイドローラ１１の
軸承３５がひねり起しの傾斜に対応して順次傾斜
角を変えた状態に設けてある。 In a substantially arc-shaped portion on the left side of the slide plate 31, bearings 35 for guide rollers 11 of a plurality of saw blade bodies are provided with inclination angles sequentially changed in accordance with the inclination of the twisting.
さらに第２，３，４図には鋸刃背部規制案内部
材３７としてローラがその軸が鋸刃胴部ガイドロ
ーラ１１と直交する方向に設けてある。 Furthermore, in FIGS. 2, 3, and 4, a roller is provided as a saw blade back regulation guide member 37 with its axis in a direction perpendicular to the saw blade body guide roller 11.
この鋸刃背部規制案内部材３７はローラに代え
て耐摩耗性合金の平面部材であつてもよい。 This saw blade back regulating guide member 37 may be a flat member made of a wear-resistant alloy instead of a roller.
スライドプレート３１の下端には帯鋸刃７のひ
ねり起し途中で作業員の指などを切傷することが
ないようにカバープレート３９が設けてある。 A cover plate 39 is provided at the lower end of the slide plate 31 to prevent the worker's fingers from being cut while twisting the bandsaw blade 7.
また第３図のソーガイド１５の中央に示したの
は帯鋸刃７をソーガイド１５に着脱する場合にソ
ーガイドブロツク（図示省略）の対面距離を開閉
するレバー４１である。 Also shown in the center of the saw guide 15 in FIG. 3 is a lever 41 that opens and closes the facing distance of the saw guide block (not shown) when the band saw blade 7 is attached to and removed from the saw guide 15.
第１図に示した右側の一群の鋸刃胴部ガイドロ
ーラ１３の場合は、切削ストレツチ７Ａの垂直状
態の帯鋸刃７が順次曲げられて戻りストレツチ７
Ｂでは歯先を後方に向けた水平状態になる。 In the case of the group of saw blade body guide rollers 13 on the right side shown in FIG.
At B, the teeth are in a horizontal state with the tips facing backwards.
この間の鋸刃胴部ガイドローラ１３の傾斜角は
左側の場合と線対称的に同じであるから説明は省
略する。 The inclination angle of the saw blade body guide roller 13 during this period is symmetrically the same as the case on the left side, so a description thereof will be omitted.
また帯鋸刃７は幅に比べると厚さの薄いもので
あるから水平状態から曲げる場合は短距離で曲げ
られるが、垂直状態から水平状態に向かつて曲げ
る場合は比較的長距離で曲げなければ曲げ疲労に
よる折損をおこし易い特性がある。 Also, since the band saw blade 7 is thin compared to its width, it can be bent over a short distance when bent from a horizontal position, but it must be bent over a relatively long distance when bent from a vertical position to a horizontal position. It has the characteristic of being prone to breakage due to fatigue.
したがつて第３図に示した左側の曲げにおいて
は、厳密に言えば戻りストレツチ７Ｂに連結する
上方が比較的小さい曲率半径で楕円の長軸端付近
のように曲げられ、切削ストレツチ７Ａに連結す
る下方は比較的大きな曲率半径で楕円の短軸端付
近のように曲げられており、この曲率半径の異な
る曲線を組合わせて、ガイドローラ１１，１３の
配置を大略半円弧状に構成してある。 Therefore, in the bending on the left side shown in FIG. 3, strictly speaking, the upper part connected to the return stretch 7B is bent with a relatively small radius of curvature, like near the long axis end of the ellipse, and connected to the cutting stretch 7A. The lower part of the guide rollers 11 and 13 is curved with a relatively large radius of curvature, like near the short axis end of an ellipse, and by combining curves with different radii of curvature, the guide rollers 11 and 13 are arranged in a roughly semicircular arc shape. be.
第５図は本実施例の帯鋸刃循環方式と、従来の
鋸刃ホイール４３による循環方式とを重ねて示し
た図である。 FIG. 5 is a diagram showing the band saw blade circulation system of this embodiment and the conventional circulation system using the saw blade wheel 43 superimposed.
鋸刃ホイール４３の水平方向軸心位置をCLと
して鋸刃ホイール４３の半径をＤとした場合に、
本実施例の帯鋸刃循環方式では水平方向では片側
だけでΔD近い距離で曲げが完了する。 When the horizontal axis position of the saw blade wheel 43 is CL and the radius of the saw blade wheel 43 is D,
In the band saw blade circulation method of this embodiment, bending is completed on only one side in a distance close to ΔD in the horizontal direction.
CL位置からソーガイド１５までの距離は本実
施例の循環方式のＡ寸法が、従来ではＡ＋ΔAと
長かつた。また切削ストレツチ７Ａの歯先下端
（被加工材載置テーブル上面）から戻りストレツ
チ７Ｂの下面までの距離Ｈ（切断可能の最大高さ
寸法）は本考実施例の循環方式の方がΔHだけ大
きい。 Regarding the distance from the CL position to the saw guide 15, the dimension A in the circulation system of this embodiment was long as A+ΔA in the conventional method. In addition, the distance H (maximum height dimension that can be cut) from the lower end of the tooth tip of the cutting stretcher 7A (upper surface of the workpiece mounting table) to the lower surface of the return stretcher 7B is larger by ΔH in the circulation system of this embodiment. .
すなわち帯鋸刃の繰り返し曲げ疲労を少くして
なお寿命の長い高性能で切断容量の大きい帯鋸盤
を実現したのである。 In other words, we have achieved a high-performance band saw with a large cutting capacity that has a long service life while reducing the repetitive bending fatigue of the band saw blade.
ｇ 考案の効果
以上のごとき説明より理解されるように、要す
るに本考案の要旨は実用新案登録請求の範囲に記
載のとおりである。その記載より明らかなよう
に、本考案においては、大略半円弧状に配置した
複数のガイドローラ１１，１３は帯鋸刃７の捻り
おこし角度に対応して傾斜してある。すなわち本
考案においては、帯鋸刃７の捻り範囲が長い範囲
に渡るので、帯鋸刃７が急激に捻られることを回
避でき、帯鋸刃７の寿命を長くすることができる
ものである。g. Effects of the invention As can be understood from the above explanation, the gist of the invention is as stated in the claims for utility model registration. As is clear from the description, in the present invention, the plurality of guide rollers 11 and 13 arranged in a substantially semicircular arc shape are inclined in accordance with the twisting angle of the bandsaw blade 7. That is, in the present invention, since the band saw blade 7 has a long twisting range, the band saw blade 7 can be prevented from being twisted suddenly, and the life of the band saw blade 7 can be extended.
また本考案においては、各ガイドローラ１１，
１３の配置が大略半円弧状であるから、ハウジン
グベース９の長さを、大径のホイールを用いた従
来の構成とほぼ同一の長さに設けた場合であつて
も、従来よりも大径の材料を切断できるものであ
り、対象とする材料径の大きさに対して全体的構
成を小型化することができるものである。 In addition, in the present invention, each guide roller 11,
13 is arranged in a roughly semicircular arc shape, even if the length of the housing base 9 is approximately the same as the conventional configuration using a large diameter wheel, the diameter is larger than that of the conventional one. It is possible to cut the material, and the overall structure can be downsized relative to the diameter of the target material.
第１図は本考案を実施した例機としての横型帯
鋸盤の正面図、第２図は本考案の実施例部分左側
面図、第３図は同上正面図、第４図は第３図の右
側面図、第５図は従来装置と本考案の実施部分と
の重ね合わせ説明図である。
図面の主要部を表わす符号の説明、１……横型
帯鋸盤、１１……鋸刃胴部ガイドローラ、１３…
…鋸刃胴部ガイドローラ、１５……ソーガイド、
３１……スライドプレート、３５……軸承。
Fig. 1 is a front view of a horizontal bandsaw machine as an example of the invention, Fig. 2 is a left side view of an embodiment of the invention, Fig. 3 is a front view of the same, and Fig. 4 is the same as Fig. 3. The right side view and FIG. 5 are explanatory diagrams of the conventional device and the implementation portion of the present invention superimposed on each other. Explanation of symbols representing main parts of the drawings: 1...Horizontal band saw machine, 11...Saw blade body guide roller, 13...
...Saw blade body guide roller, 15...Saw guide,
31...slide plate, 35...shaft bearing.
Claims (1)
チ７Ａと戻りストレツチ７Ｂとを連結する曲線部
分において帯鋸刃７の胴部を案内する複数のガイ
ドローラ１１，１３を、ハウジングベース９に大
略半円弧状に配置してなる帯鋸盤にして、各ガイ
ドローラ１１，１３を、帯鋸刃７の捻りおこし角
度に対応して傾斜して設け、各ガイドローラ１
１，１３の配置は、帯鋸刃７の切削ストレツチ７
Ａに連結する下部側の曲率半径よりも戻りストレ
ツチ７Ｂに連結する上部側の曲率半径が小さく、
曲率半径の異なる曲線を組合わせて大略半円弧状
の配置としてなることを特徴とする帯鋸盤。 A plurality of guide rollers 11 and 13 that guide the body of the band saw blade 7 in a curved portion connecting the cutting stretch 7A and the return stretch 7B of the endless band saw blade 7 are arranged in a roughly semicircular arc shape on the housing base 9. Each guide roller 11, 13 is provided with an inclination corresponding to the twisting angle of the band saw blade 7.
The arrangement of 1 and 13 is the cutting stretch 7 of the band saw blade 7.
The radius of curvature of the upper side connected to return stretch 7B is smaller than the radius of curvature of the lower side connected to A,
A bandsaw machine characterized by combining curved lines with different radii of curvature to form a roughly semicircular arc arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985029648U JPH0440817Y2 (en) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985029648U JPH0440817Y2 (en) | 1985-03-04 | 1985-03-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61148525U JPS61148525U (en) | 1986-09-12 |
| JPH0440817Y2 true JPH0440817Y2 (en) | 1992-09-25 |
Family
ID=30528648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985029648U Expired JPH0440817Y2 (en) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440817Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502183A (en) * | 1999-06-18 | 2003-01-21 | イーゼリー、ウント、コンパニー、アクチエンゲゼルシャフト、マシーネンファブリーク | Infinite band saw blade guiding method, apparatus for measuring and setting tension of band saw blade, and apparatus for implementing infinite band saw blade guiding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS502159U (en) * | 1973-05-02 | 1975-01-10 | ||
| JPS5332491B2 (en) * | 1971-07-05 | 1978-09-08 | ||
| JPS572448A (en) * | 1980-06-09 | 1982-01-07 | Nissan Motor Co Ltd | Construction of series double-acting heat-gas engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018256Y2 (en) * | 1976-08-26 | 1985-06-03 | 伸和コントロ−ルズ株式会社 | automatic saw |
-
1985
- 1985-03-04 JP JP1985029648U patent/JPH0440817Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5332491B2 (en) * | 1971-07-05 | 1978-09-08 | ||
| JPS502159U (en) * | 1973-05-02 | 1975-01-10 | ||
| JPS572448A (en) * | 1980-06-09 | 1982-01-07 | Nissan Motor Co Ltd | Construction of series double-acting heat-gas engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502183A (en) * | 1999-06-18 | 2003-01-21 | イーゼリー、ウント、コンパニー、アクチエンゲゼルシャフト、マシーネンファブリーク | Infinite band saw blade guiding method, apparatus for measuring and setting tension of band saw blade, and apparatus for implementing infinite band saw blade guiding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61148525U (en) | 1986-09-12 |
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