JPH0187815U

JPH0187815U -

Info

Publication number: JPH0187815U
Application number: JP18433787U
Authority: JP
Priority date: 1987-12-04
Filing date: 1987-12-04
Publication date: 1989-06-09

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る穴明け・面取
り用工具の斜視外観図、第２図はそのＡ―Ａ矢視
断面図、第３図は角度を変えて見た同実施例の斜
視外観図、第４図はそのＢ部の拡大図、第５図、
第６図は同実施例の構成部材の斜視図、第７図は
他の実施例の斜視外観図、第８図はそのＣ―Ｃ矢
視断面図、第９図は更に他の実施例の斜視外観図
、第１０図はそのＤ―Ｄ矢視断面図、第１１図は
面取り部を有する穴の断面図、第１２図は従来の
工具の側面図、第１３図は従来の他の工具の側面
図、第１４図はそのＥ―Ｅ矢視断面図、第１５図
は第１３図のＦ矢視図であり、第１６図はそのＧ
―Ｇ矢視断面図である。図面中、１は平錐（錐本体）、２は穴明け用の
切刃、３は溝、５はランド、６はねじ穴、７は切
欠き、８はカートリツジ、１０は面取り加工用の
切刃チツプ、１１はストツパ、１２は長穴、１３
は締付けねじである。 Fig. 1 is a perspective external view of a drilling/chamfering tool according to an embodiment of the present invention, Fig. 2 is a sectional view taken along the line A-A, and Fig. 3 is a view of the same embodiment from a different angle. A perspective external view, Fig. 4 is an enlarged view of part B, Fig. 5,
Fig. 6 is a perspective view of the constituent members of the same embodiment, Fig. 7 is a perspective external view of another embodiment, Fig. 8 is a sectional view taken along the line C--C, and Fig. 9 is a further illustration of another embodiment. A perspective external view, FIG. 10 is a sectional view taken along line D-D, FIG. 11 is a sectional view of a hole with a chamfered portion, FIG. 12 is a side view of a conventional tool, and FIG. 13 is another conventional tool. , FIG. 14 is a cross-sectional view taken along the line E--E, FIG. 15 is a cross-sectional view taken along arrow F in FIG. 13, and FIG.
- It is a sectional view taken along arrow G. In the drawing, 1 is a flat cone (cone body), 2 is a cutting edge for drilling, 3 is a groove, 5 is a land, 6 is a screw hole, 7 is a notch, 8 is a cartridge, and 10 is a notch for chamfering. Blade tip, 11 is a stopper, 12 is a long hole, 13
is a tightening screw.

Claims

[Scope of utility model registration request]

A cone body having a cutting edge for drilling holes at the tip, a cartridge provided on the outer periphery of the cone body so as to be movable in the direction of the cone axis, and having a cutting surface inclined with respect to the axis; A cutting drill for drilling and chamfering, characterized in that it has a means for fixing it in a predetermined position.