JPH023309U

JPH023309U -

Info

Publication number: JPH023309U
Application number: JP7723488U
Authority: JP
Priority date: 1988-06-13
Filing date: 1988-06-13
Publication date: 1990-01-10

Description

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

第１図は本考案の一実施例に係るボーリングヘ
ツドの断面図、第２図はそのＡ―Ａ線矢視断面図
、第３図は従来例にかかるボーリングヘツドの斜
視図である。図面中、５０は工作機械、５１は主軸頭、５５
はボーリングヘツド、５６はホルダ、５８は本体
、５９は送りねじ軸、６０は刃物摺動台、６２は
駆動傘歯車、６３は従動傘歯車、６５は廻り止め
板、６９は送りねじ駆動ピン、７０は流体通路で
ある。 FIG. 1 is a cross-sectional view of a boring head according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line A--A, and FIG. 3 is a perspective view of a conventional boring head. In the drawing, 50 is a machine tool, 51 is a spindle head, 55
is a boring head, 56 is a holder, 58 is a main body, 59 is a feed screw shaft, 60 is a blade slide, 62 is a drive bevel gear, 63 is a driven bevel gear, 65 is a rotation stopper plate, 69 is a feed screw drive pin, 70 is a fluid passage.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

割出し可能な工作機械の主軸に装着されるボー
リングヘツドにおいて、主軸頭に固定されるホル
ダと、この主軸頭に対して回転自在に嵌合され且
つ該主軸に連結される本体と、この本体に径方向
に摺動可能に取付けられた刃物摺動台と、この刃
物摺動台を駆動するための歯車送りねじ機構と、
加工の為の主軸の回転停止時に該本体とホルダと
の相対回転を利用しつつ送りねじを駆動回転させ
る送りねじ駆動機構とを有することを特徴とする
ボーリングヘツド。 A boring head attached to an indexable spindle of a machine tool includes a holder fixed to the spindle head, a main body rotatably fitted to the spindle head and connected to the spindle, and a main body attached to the main spindle. a blade slide mounted so as to be slidable in the radial direction; a gear feed screw mechanism for driving the blade slide;
A boring head characterized by having a feed screw drive mechanism that drives and rotates a feed screw while utilizing relative rotation between the main body and a holder when rotation of a main shaft for machining is stopped.