JPS63169208U - - Google Patents

Description

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

第１図は、本考案の一実施例である機械加工装
置を示す縦断面図、第２図は、本考案の他の実施
例である機械加工装置を示す縦断面図、第３図は
、従来の加工装置を示す縦断面図、第４図は、従
来の加工装置によつて切削された一例を示す略平
断面図である。 １：被加工物（デイフアレンシヤルギヤケース
）、５：工具、６：工具支持部材（工具支持部）
、８：主軸、２４：固定台、２５：可動台、３６
：主軸駆動部、４７：付勢手段（スプリング）。 FIG. 1 is a longitudinal sectional view showing a machining device which is an embodiment of the present invention, FIG. 2 is a longitudinal sectional view showing a machining device which is another embodiment of the invention, and FIG. FIG. 4 is a vertical sectional view showing a conventional processing device, and is a schematic plan sectional view showing an example of cutting by the conventional processing device. 1: Workpiece (differential gear case), 5: Tool, 6: Tool support member (tool support part)
, 8: Main shaft, 24: Fixed base, 25: Movable base, 36
: Main shaft drive unit, 47: Biasing means (spring).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被加工物を固定する固定台と、該固定台に対し
て接近・離間自在な可動台と、工具を前記可動台
の移動方向に移動自在に保持する工具支持部材と
、前記工具を被加工物に押圧して回転駆動させる
主軸と、該主軸を回転駆動させると共に軸方向に
移動自在に保持し、かつ前記可動台に回転自在に
取り付けられた主軸駆動部と、前記主軸と可動台
との間に設けられ前記主軸を被加工物の方向に弾
発付勢する付勢手段とからなることを特徴とする
機械加工装置。 a fixed base for fixing a workpiece; a movable base that can approach and move away from the fixed base; a tool support member that holds a tool movably in the moving direction of the movable base; A main shaft that is pressed to rotate and drive the main shaft, a main shaft drive unit that rotationally drives the main shaft and holds the main shaft movably in the axial direction and is rotatably attached to the movable base, and between the main shaft and the movable base. A machining device comprising: a biasing means provided in the main shaft for elastically biasing the main shaft in the direction of the workpiece.