JPS6333443B2 - - Google Patents
Info
- Publication number
- JPS6333443B2 JPS6333443B2 JP56041146A JP4114681A JPS6333443B2 JP S6333443 B2 JPS6333443 B2 JP S6333443B2 JP 56041146 A JP56041146 A JP 56041146A JP 4114681 A JP4114681 A JP 4114681A JP S6333443 B2 JPS6333443 B2 JP S6333443B2
- Authority
- JP
- Japan
- Prior art keywords
- support plate
- link
- split blade
- base
- blade
- 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
Landscapes
- Sawing (AREA)
Description
【発明の詳細な説明】
本発明は、電気丸鋸機の割刃横振れ防止装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a splitting blade lateral vibration prevention device for an electric circular saw.
第１図は従来の割刃付丸鋸の断面図を示し、１
はベースで、ベース１はギヤカバー３に支点２０
を介し回動自在に取り付けられており、ベース１
の回動自由端側に固定された切込深さ調整用リン
ク２はギヤカバー３にボルト４及びナツト５から
なる固定手段により着脱自在に固定されている。
１０は割刃支持板で鋸刃８の回動中心に回動自在
に取り付けられている。６，７はリンクで、リン
ク７は一端をベース１に固定されており、リンク
６はほぼ中間を回動自在に支持され一端をリンク
７の他端と係合され、リンク６の他端は支持板１
０の一方の端部と係合されている。支持板１０の
他方の端部には割刃９が固着されている。そし
て、支持板１０は、ベアリングホルダ１１とギヤ
カバー３間に、本発明の実施例の第３図に示すよ
うに挾み込まれており、ベース１と連動するリン
ク６，７を介してベアリングホルダ１１軸部を中
心として回動する構造となつている。 Figure 1 shows a cross-sectional view of a conventional circular saw with a split blade.
is the base, and the base 1 is attached to the gear cover 3 at the fulcrum 20.
It is rotatably attached via the base 1.
A cutting depth adjustment link 2 fixed to the free rotation end side is detachably fixed to the gear cover 3 by fixing means consisting of bolts 4 and nuts 5.
Reference numeral 10 denotes a split blade support plate which is rotatably attached to the rotation center of the saw blade 8. 6 and 7 are links, one end of which is fixed to the base 1, the link 6 is rotatably supported approximately in the middle, one end is engaged with the other end of the link 7, and the other end of the link 6 is Support plate 1
0 is engaged with one end of the 0. A splitting blade 9 is fixed to the other end of the support plate 10. The support plate 10 is inserted between the bearing holder 11 and the gear cover 3 as shown in FIG. It has a structure that rotates around the 11th axis.
従つて、支持板１０先端に保持されている割刃
９先端に回転軸方向（第３図のF1矢印方向）に
一定の荷重を作用させると、割刃９の移動量が非
常に大きくなると云う欠点がある。これは、支持
板１０のがたの量、割刃９自身のたわみ量に加え
て、特に、支持板１０が片持ち梁構造になつてい
ることに起因している。また、製作上の誤差等に
より鋸刃８と割り刃９とが一致しないと云う欠点
もあつた。更にリンク機構により支持板１０を回
動させているため、割刃９先端部に本発明の実施
例の第２図の矢印F2方向の荷重を作用させると、
リンク機構のがた分だけ割刃ががたつくと云う欠
点があつた。以上のため、本体を操作し木材の切
断作業を行う際、鋸刃９により切断された溝に割
刃９が追随しないため、危険であると云う欠点が
あつた。 Therefore, when a constant load is applied to the tip of the split blade 9 held at the tip of the support plate 10 in the direction of the rotation axis (in the direction of arrow F1 in FIG. 3), the amount of movement of the split blade 9 becomes extremely large. There is a drawback. This is due to the amount of play in the support plate 10, the amount of deflection of the splitter blade 9 itself, and especially to the fact that the support plate 10 has a cantilever structure. Another drawback was that the saw blade 8 and split blade 9 did not match due to manufacturing errors. Furthermore, since the support plate 10 is rotated by the link mechanism, when a load is applied to the tip of the splitting blade 9 in the direction of arrow F2 in FIG. 2 of the embodiment of the present invention,
The drawback was that the splitting blade wobbled due to the looseness of the link mechanism. For this reason, when operating the main body to cut wood, the splitting blade 9 does not follow the groove cut by the saw blade 9, which is dangerous.
本発明は上記の状況に鑑みなされたものであ
り、安全性及び操作性を向上できる割刃付丸鋸を
提供することを目的としたものである。 The present invention was made in view of the above situation, and an object of the present invention is to provide a circular saw with a split blade that can improve safety and operability.
本発明は、ギヤカバーに回動自在に取り付けら
れ切り込み深さ調整が可能に形成されたベース
と、鋸刃回転軸に回動自在に取り付けられベース
の回動に連動するリンク機構を介し回転駆動され
る支持板と、該支持板に固定された割刃とを備え
てなり、上記支持板の上記ベース自由端側位置に
固定され上記割刃を固定したサブリンクと、上記
ベースの切込深さが調整された位置に上記サブリ
ンクを上記ギヤカバーに固定する手段とを設けた
ものである。 The present invention is rotatably driven through a base rotatably attached to a gear cover and formed to allow adjustment of cutting depth, and a link mechanism rotatably attached to a saw blade rotating shaft and interlocked with the rotation of the base. a sub-link fixed to a position on the free end side of the base of the support plate to fix the split blade, and a cutting depth of the base. means for fixing the sub-link to the gear cover at the adjusted position.
以下本発明の一実施例を従来と同部品は同符号
で示し同部分の説明は省略し第２図ないし第４図
により説明する。１２はサブリンクで、詳細は第
４図に示す如き形状を有し、アーム部１６とリン
ク部１７とに大別され、アーム部１６には支持板
１０にリベツト１３により取り付けるための長孔
１４が設けられている。リベツト１３は支持板１
０とサブリンク１２を長孔１４の長手方向に摺動
させるための案内ピンの役目をするものである。
従つて、長孔１４の径寸法は、リベツト１３の外
径寸法に対して、適間の隙間が生じるように形成
され、また、長孔１４における長手方向の寸法
は、割刃付構造丸鋸の各部品の寸法精度のばらつ
きを吸収し、かつ、切込深さ調整用リンク２とサ
ブリンク１２のリンク部曲率が合わないことによ
り生じる不円滑な不具合動作を回避できる寸法に
選定されている。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 2 to 4, with the same parts as those in the conventional art being denoted by the same reference numerals, and explanations of the same parts being omitted. Reference numeral 12 denotes a sub-link, the details of which have a shape as shown in FIG. is provided. The rivet 13 is the support plate 1
0 and the sub-link 12 in the longitudinal direction of the elongated hole 14.
Therefore, the diameter of the elongated hole 14 is formed to create a suitable gap with respect to the outer diameter of the rivet 13, and the longitudinal dimension of the elongated hole 14 is the same as that of a circular saw with split blade structure. The dimensions are selected to absorb variations in the dimensional accuracy of each part, and to avoid unsmooth malfunctions caused by mismatching link part curvatures of the cutting depth adjustment link 2 and the sub-link 12. .
リンク部１７は、切込深さ調整用リンク２と連
動し、ボルト４に案内されて動作するための溝１
５を有し、溝１５の長さはベース１と連動してサ
ブリンク１２が動作するストローク分確保されて
いる。 The link portion 17 is interlocked with the cutting depth adjustment link 2 and has a groove 1 for movement guided by the bolt 4.
5, and the length of the groove 15 is secured for the stroke of the sub-link 12 to operate in conjunction with the base 1.
切込深さ調整時は、ベース１と連動するリンク
７，６を介し支持板１０が動作し、同時に支持板
１０に装着されたリベツト１３を介してサブリン
ク１２がボルト４に案内され、切込深さ調整用リ
ンク２と応動して動作する。そして、切込深さが
決定されると、サブリンク１２、切込深さ調整用
リンク２はボルト４及びナツト５によりギヤカバ
ー３に一体に固着される。 When adjusting the depth of cut, the support plate 10 operates via the links 7 and 6 that interlock with the base 1, and at the same time, the sub-link 12 is guided to the bolt 4 via the rivet 13 attached to the support plate 10, and the cutting depth is adjusted. It operates in response to the embedding depth adjustment link 2. When the depth of cut is determined, the sublink 12 and the depth of cut adjustment link 2 are integrally fixed to the gear cover 3 by bolts 4 and nuts 5.
このように本実施例は支持板の割刃取付側に取
り付けたサブリンクを、切込深さ調整用リンク固
定用のボルト、ナツトによりギヤカバーに固定す
るので、支持板は両端支持となり支持板のたわみ
が小さくできる。また、同時に、鋸刃の回転方向
への割刃のがたを無くすことができ、更に、鋸刃
と割刃とを木材の切断方向へ一致させることがで
き、従つて、操作性及び安全性を従来に比し著し
く向上できる。 In this way, in this embodiment, the sub-link attached to the splitting blade mounting side of the support plate is fixed to the gear cover using the bolt and nut for fixing the cutting depth adjustment link, so the support plate is supported at both ends. Deflection can be reduced. At the same time, it is possible to eliminate the play of the splitting blade in the direction of rotation of the saw blade, and furthermore, it is possible to align the saw blade and the splitting blade in the cutting direction of the wood, which improves operability and safety. can be significantly improved compared to the conventional method.
以上記述した如く本発明は、安全性及び操作性
を向上できる効果を有するものである。 As described above, the present invention has the effect of improving safety and operability.
第１図は従来の電気丸鋸機の縦断面図、第２図
は本発明を備えた電気丸鋸機の縦断面図、第３図
は同横断底面図、第４図は本発明の一部を構成す
るサブリンクの斜視図である。
１……ベース、２……切込深さ調整用リンク、
３……ギヤカバー、４……ボルト、５……ナツ
ト、６，７……リンク、８→鋸刃、９……割り
刃、１０……支持板、１２……サブリンク。
Fig. 1 is a longitudinal sectional view of a conventional electric circular saw, Fig. 2 is a longitudinal sectional view of an electric circular saw equipped with the present invention, Fig. 3 is a cross-sectional bottom view of the same, and Fig. 4 is a longitudinal sectional view of an electric circular saw according to the present invention. FIG. 1...Base, 2...Link for adjusting depth of cut,
3... Gear cover, 4... Bolt, 5... Nut, 6, 7... Link, 8 → Saw blade, 9... Splitting blade, 10... Support plate, 12... Sub link.
Claims (1)
定手段により着脱自在に固定されたギヤカバーと
ベースとを有し、前記ベースをギヤカバーに対し
回動することにより鋸刃の切込量を変えると同時
に、ベースの回動に追従して割刃支持板を回動さ
せ、前記割刃支持板の自由端側に取付けた割刃を
回動して該割刃と鋸刃外周とのスキ間を一定に維
持するようにした電気丸鋸機において、前記割刃
支持板にサブリンクを固定すると共に、前記割刃
支持板が横振れしないよう前記サブリンクを前記
ギヤカバーに着脱自在に固定したことを特徴とす
る割刃横振れ防止装置。1. It has a gear cover and a base that are rotatably connected to each other at one end and detachably fixed at the other end by a fixing means, and the depth of cut of the saw blade is changed by rotating the base with respect to the gear cover. At the same time, the split blade support plate is rotated following the rotation of the base, and the split blade attached to the free end side of the split blade support plate is rotated to close the gap between the split blade and the outer periphery of the saw blade. In an electric circular saw machine configured to maintain constant constant, a sub-link is fixed to the split blade support plate, and the sub-link is detachably fixed to the gear cover so that the split blade support plate does not oscillate laterally. A split blade lateral vibration prevention device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114681A JPS57156204A (en) | 1981-03-19 | 1981-03-19 | Preventive device for lateral vibration of split edge of electric circular saw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114681A JPS57156204A (en) | 1981-03-19 | 1981-03-19 | Preventive device for lateral vibration of split edge of electric circular saw machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57156204A JPS57156204A (en) | 1982-09-27 |
| JPS6333443B2 true JPS6333443B2 (en) | 1988-07-05 |
Family
ID=12600268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114681A Granted JPS57156204A (en) | 1981-03-19 | 1981-03-19 | Preventive device for lateral vibration of split edge of electric circular saw machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57156204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198558A (en) * | 1993-12-30 | 1995-08-01 | Ando Kensetsu Kk | Concrete sampling device of cast-in-situ pile |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5252375B2 (en) * | 2008-12-26 | 2013-07-31 | 日立工機株式会社 | Portable cutting machine |
| CN103895066A (en) * | 2012-12-28 | 2014-07-02 | 苏州宝时得电动工具有限公司 | Bench saw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS525359U (en) * | 1975-06-26 | 1977-01-14 |
-
1981
- 1981-03-19 JP JP4114681A patent/JPS57156204A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198558A (en) * | 1993-12-30 | 1995-08-01 | Ando Kensetsu Kk | Concrete sampling device of cast-in-situ pile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57156204A (en) | 1982-09-27 |
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