JPH0454606U

JPH0454606U -

Info

Publication number: JPH0454606U
Application number: JP9803490U
Authority: JP
Priority date: 1990-09-17
Filing date: 1990-09-17
Publication date: 1992-05-11

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断正面図、
第２図は同他の実施例を示す縦断正面図、第３図
〜第６図は同他の実施例の要部を示す縦断正面図
、第７図は同他の実施例の要部を示す縦断正面図
、第８図は同他の実施例の要部を示す斜視図、第
９図Ａ，Ｂは本考案の作用を説明するための説明
図、第１０図Ａ，Ｂは従来技術の作用を説明する
説明図である。１，１ａ〜１ｅ……結合軸部材（主軸）、２，
２ａ，２ｅ……被結合軸部材（工具駆動軸）、３
，３ａ〜３ｅ……凸状体（体）、４，４ａ〜４ｅ
……凹状部（体）、５，５ａ〜５ｅ……結合軸部
材側端面、６，６ａ〜６ｅ……被結合軸部材側端
面、９，９′……高速加熱装置、１０，１２，１
３……高速冷却装置、１４，１４ａ〜１４ｅ……
リブ部。 FIG. 1 is a longitudinal sectional front view showing an embodiment of the present invention;
Fig. 2 is a vertical sectional front view showing another embodiment, Figs. 3 to 6 are longitudinal sectional front views showing the main parts of the same other embodiment, and Fig. 7 is a longitudinal sectional front view showing the main parts of the same other embodiment. 8 is a perspective view showing the main parts of another embodiment, FIGS. 9A and B are explanatory views for explaining the operation of the present invention, and FIGS. 10A and B are prior art. It is an explanatory view explaining the effect of. 1, 1a to 1e... joint shaft member (main shaft), 2,
2a, 2e... coupled shaft member (tool drive shaft), 3
, 3a to 3e... convex body (body), 4, 4a to 4e
...Concave portion (body), 5, 5a to 5e... End face on the side of the coupled shaft member, 6, 6a to 6e... End face on the side of the coupled shaft member, 9, 9'... High speed heating device, 10, 12, 1
3...High speed cooling device, 14, 14a to 14e...
Rib part.

Claims

[Scope of utility model registration request]

The distal end of one of the coupling shaft member and the coupled shaft member coupled thereto is formed into a convex body, and the other is formed into a concave body coaxially corresponding to the convex body, and The shaft member on which the convex body is formed is made of a material having a lower coefficient of thermal expansion than the shaft member on which the concave body is formed, and the outer circumferential surface of the convex body or the inner circumferential surface of the concave body is slightly inclined in the axial direction. A plurality of rib portions protruding integrally or integrally are provided so that the concave body is tightly fit into the convex body through these rib portions in a shrink fit state, while the formed portion of the concave body is A shaft coupling device comprising means for heating and cooling a shaft member.