JPS6253904U

JPS6253904U -

Info

Publication number: JPS6253904U
Application number: JP14399285U
Authority: JP
Priority date: 1985-09-20
Filing date: 1985-09-20
Publication date: 1987-04-03
Also published as: JPH023365Y2

Description

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

第１図は本考案の一実施例の主要部の断面図、
第２図は第１図の―矢視図、第３図は第１図
の要部の拡大図、第４図は第３図の―矢視図
、第５図は工具の精度のテスト方法を示す略図、
第６図は第５図の方法における本考案の実施例の
切刃の振れを示すグラフ、第７図は従来例の主要
部の断面図、第８図は第７図の―矢視図、第
９図は従来例のテスト結果を示すグラフである。１……工具保持体、２……装着孔、３……保持
部材、３ａ……下面、４……工具本体、５……切
刃、６……調整ナツト、７……弾性部材、９……
回り止め部材、９ｂ……上面、１１……挿孔、１
５……窪み、１６……Ｖ字溝、１７……球体。 FIG. 1 is a sectional view of the main parts of an embodiment of the present invention.
Figure 2 is a view from the arrow in Figure 1, Figure 3 is an enlarged view of the main part of Figure 1, Figure 4 is a view from the arrow in Figure 3, and Figure 5 is a tool accuracy test method. A schematic diagram showing
FIG. 6 is a graph showing the run-out of the cutting edge of the embodiment of the present invention in the method of FIG. 5, FIG. 7 is a sectional view of the main part of the conventional example, and FIG. FIG. 9 is a graph showing the test results of the conventional example. DESCRIPTION OF SYMBOLS 1... Tool holder, 2... Mounting hole, 3... Holding member, 3a... Lower surface, 4... Tool body, 5... Cutting blade, 6... Adjustment nut, 7... Elastic member, 9... …
Anti-rotation member, 9b...Top surface, 11...Insertion hole, 1
5... depression, 16... V-shaped groove, 17... sphere.

Claims

【実用新案登録請求の範囲】装着孔が形成された工具保持体と、この装着孔を覆つて上記工具保持体に固設され
た保持部材と、外端部に切刃が取り付けられ、その切刃を上記
保持部材の挿孔より突出させて上記装着孔に装着
された工具本体と、上記保持部材の外面に接し、上記工具本体の外
周に螺合されて設けられた調整ナツトと、上記保持部材と上記工具本体との間に張設され
て工具本体を装着孔の内方向に付勢する弾性部材
とを備え、この弾性部材と上記保持部材との間には、上記
工具本体の外壁に摺接し、該工具本体の回動を阻
止する回り止め部材が少なくとも二つ以上設けら
れ、この回り止め部材と上記保持部材の対向する面
は装着孔の内方向に向かうに従い拡がるテーパ面
に形成され、その対向面の互いに対向する位置の一方にはテ
ーパ面に沿つて伸びるＶ字溝が形成され、他方に
は漏斗状の窪みが形成され、上記Ｖ字溝と窪みの間には球体が挾装されてい
ることを微調整式切削工具。[Scope of Claim for Utility Model Registration] A tool holder having a mounting hole formed therein, a holding member fixed to the tool holder covering the mounting hole, and a cutting blade attached to the outer end thereof. a tool body installed in the mounting hole with a blade protruding from the insertion hole of the holding member; an adjustment nut that is in contact with the outer surface of the holding member and screwed onto the outer periphery of the tool body; an elastic member stretched between the member and the tool body to urge the tool body inwardly into the mounting hole; At least two anti-rotation members are provided that come into sliding contact and prevent rotation of the tool body, and opposing surfaces of the anti-rotation members and the holding member are formed into tapered surfaces that widen toward the inside of the mounting hole. , A V-shaped groove extending along the tapered surface is formed on one of the mutually opposing positions of the opposing surfaces, and a funnel-shaped depression is formed on the other side, and a sphere is sandwiched between the V-shaped groove and the depression. Equipped with a fine-adjustable cutting tool.