JPS6178507U

JPS6178507U -

Info

Publication number: JPS6178507U
Application number: JP16356484U
Authority: JP
Priority date: 1984-10-29
Filing date: 1984-10-29
Publication date: 1986-05-26

Description

[Brief explanation of the drawing]

第１図は、本考案切削工具の一実施例を示す平
面図、第２図は、一部を切欠した正面図、第３図
は、ホルダーを示す断面図、第４図は、一部を切
欠した正面図、第５図は、側面図、第６図は、第
４図の−線に沿つて得られる断面図、第７図
は、切削頭部の平面図、第８図は、その正面図、
第９図は、第７図の右方からの側面図、第１０図
は、変形例を示す斜視図、第１１図は、第３図に
対応する変形例を示す一部断面図、第１２図は、
第１０図に対応する変形例を示す斜視図である。１……ホルダー、２……切欠段部、４……切削
頭部、５……けん引軸、５ａ……係合頭部、６…
…押込みねじ、６ａ……ねじ頭部分、６ｂ……テ
ーパー軸部分、７……円錐穴、１１……取付け穴
、１６……係合穴、２１……ねじ穴。 Fig. 1 is a plan view showing one embodiment of the cutting tool of the present invention, Fig. 2 is a partially cutaway front view, Fig. 3 is a sectional view showing the holder, and Fig. 4 is a partially cutaway front view. 5 is a side view, FIG. 6 is a sectional view taken along the line - in FIG. 4, FIG. 7 is a plan view of the cutting head, and FIG. 8 is a cross-sectional view of the cutting head. Front view,
9 is a side view from the right side of FIG. 7, FIG. 10 is a perspective view showing a modified example, FIG. 11 is a partial sectional view showing a modified example corresponding to FIG. 3, and FIG. The diagram is
10 is a perspective view showing a modification corresponding to FIG. 10. FIG. DESCRIPTION OF SYMBOLS 1... Holder, 2... Notch step part, 4... Cutting head, 5... Traction shaft, 5a... Engaging head, 6...
... Push-in screw, 6a ... Screw head portion, 6b ... Tapered shaft portion, 7 ... Conical hole, 11 ... Mounting hole, 16 ... Engagement hole, 21 ... Screw hole.

Claims

[Claims for Utility Model Registration] A traction shaft 5 is fitted into a mounting hole 11 drilled in the axial direction of the rod-shaped holder 1, and by moving the traction shaft 5 in the axial direction, the cutting head is In the cutting tool in which the part 4 is detachable, the holder 1 is provided with a cutout step part 2 at one end thereof, the mounting hole 11 is bored in the axial direction of the holder 1, and the mounting hole 11 is formed in the side part of the holder 1. , a screw hole 21 is bored, the cutting head 4 is placed on the notch step 2, and an engagement hole 16 is provided on the notch step 2 side. The traction shaft 5 is located in the mounting hole 11, and an engaging head 5a that fits into the engaging hole 16 of the cutting head 4 protrudes on the side of the notch step 2. At the same time, a conical hole 7 is bored in the side located in the mounting hole 11, and the push-in screw 6 has a screw head portion 6a that fits into the screw hole 21 and the conical hole 7, and a screw head portion 6a that fits into the screw hole 21 and the conical hole 7, and A cutting tool characterized in that it includes at least a tapered shaft portion 6b having a small diameter.