JPS58126113U

JPS58126113U - drilling tool

Info

Publication number: JPS58126113U
Application number: JP2168982U
Authority: JP
Inventors: 荒木　正文; 田中　忠志
Original assignee: Toshiba Machine Co Ltd
Current assignee: Shibaura Machine Co Ltd
Priority date: 1982-02-18
Filing date: 1982-02-18
Publication date: 1983-08-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す斜視図、第２図は第
１図の左側面図、第３図は第１図における外周ロケータ
部分の拡大正面図、第４図は第１実施例の動作説明図、
第５図は本考案の第２実施例の概略構成を示す第４図相
当の説明図、第６図は本考案の第３実施例を示す側面図
である。１・・・・・・工具本体、２．　３．　３３・・・・・
・チップポケット、５・・・・・・センタドリル、８・
・・・・・内刃ロケータ、１１・・・・・・内刃、ＩＩ
Ａ、１３Ａ・・・・・・切刃、１３・・・・・・外刃、
１４・・・・・・外刃ロケータ、１８・・・・・・長孔
、１９・・・・・・止めねじ、２０・・・・・・目盛、
２１・・・・・・基準線、２３．２６・・・・・・油水
、３０・・・・・・被加工物、３４・・・・・・中間刃
ロケータ、３５・・・・・・中間刃。1 is a perspective view showing the first embodiment of the present invention, FIG. 2 is a left side view of FIG. 1, FIG. 3 is an enlarged front view of the outer locator portion in FIG. 1, and FIG. An explanatory diagram of the operation of the embodiment,
FIG. 5 is an explanatory view corresponding to FIG. 4 showing a schematic configuration of a second embodiment of the present invention, and FIG. 6 is a side view showing a third embodiment of the present invention. 1... Tool body, 2. 3. 33...
・Chip pocket, 5... Center drill, 8.
...Inner blade locator, 11...Inner blade, II
A, 13A...cutting blade, 13...outer blade,
14... Outer blade locator, 18... Long hole, 19... Set screw, 20... Scale,
21... Reference line, 23.26... Oil/water, 30... Workpiece, 34... Intermediate blade locator, 35... Intermediate blade.

Claims

[Scope of utility model registration request]

(1) A center drill is provided at the center of the tip of the tool body which is formed into a substantially cylindrical shape, and the cutting edge at the tip forms a chevron shape on the outside of the center drill, and the apex angle of this chevron is 90 to 1
At least one cutting edge having an angle of 60 degrees is provided, and the center drill and the cutting edge are provided so that a part of the turning trajectory of the cutting edge portion of each cutting edge overlaps each other, and is provided at least on the outermost periphery. A drilling tool characterized in that the cutting blade is attached to the tool body via a locator so that its position can be adjusted in the radial direction, and a chip pocket is formed in the front surface of the cutting blade of each cutting blade attachment part of the tool body.

(2) In claim 1 of the utility model registration claim, oil and water are formed in the axial center of the tool body, and one end of the oil reservoir is opened at the rear end of the tool body, and the other end is opened at the rear end of the tool body. The hole-drilling tool is characterized by an opening on the side inside the chip pocket and on the circumference of the center drill.

(3) The hole drill according to claim 1 or 2 of the utility model registration claim, characterized in that a scale and a reference line are formed between the position-adjustable locator and the tool body. is a tool.