JPS62202057U

JPS62202057U -

Info

Publication number: JPS62202057U
Application number: JP9037186U
Authority: JP
Priority date: 1986-06-13
Filing date: 1986-06-13
Publication date: 1987-12-23

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す半断面正面
図、第２図は第１図中Ａで示す回転軸、出力軸部
分の拡大図、第３図は第２図中―線による断
面図、第４図は従来の電動機の半断面正面図、第
５図は工作機械テーブル送り、刃物台装置の一例
を示す構成図である。図において、３はステータ、４はロータ、６は
軸受、１５は回転軸、１５ａは筒状部、１７は鉄
心、１８は一次コイル、１９はリニア駆動部、２
０は出力軸、２１，２２はすべり軸、２１ａは切
欠き、２１ｂは溝部である。なお、各図中同一符
号は同一または相当部分を示す。 Fig. 1 is a half-sectional front view showing an embodiment of this invention, Fig. 2 is an enlarged view of the rotating shaft and output shaft portions indicated by A in Fig. 1, and Fig. 3 is a cross-sectional view taken along the line - - in Fig. 2. 4 is a half-sectional front view of a conventional electric motor, and FIG. 5 is a configuration diagram showing an example of a machine tool table feeding and tool rest device. In the figure, 3 is a stator, 4 is a rotor, 6 is a bearing, 15 is a rotating shaft, 15a is a cylindrical part, 17 is an iron core, 18 is a primary coil, 19 is a linear drive part, 2
0 is an output shaft, 21 and 22 are sliding shafts, 21a is a notch, and 21b is a groove. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] (1) A stator core, a rotor disposed inside the stator core with a predetermined gap therebetween, and a cylindrical portion having the above-described structure on the outer diameter of the cylindrical portion. a rotating shaft to which the rotor is fitted and fixed and rotatably supported by a bearing;
The output shaft is inserted into the inner diameter part of the cylindrical part of the rotating shaft, is arranged in the axial direction of the rotor and has a predetermined gap with the outer diameter part of the output shaft, and has a primary coil wound around an iron core. 1. An electric motor with a linear mechanism, characterized in that the output shaft is moved in the axial direction by the linear drive part and rotation is transmitted by the rotating shaft. (2) A utility model characterized in that the output shaft is supported by a sliding bearing, and the fitting portion between the rotary shaft and the sliding bearing has a notch portion in which a portion of the circular cross section is cut out. An electric motor with a linear mechanism according to claim 1. (3) The output shaft is supported by a sliding bearing and has a groove on the sliding bearing side of the fitting portion between the rotary shaft and the sliding bearing, Claim 1 The electric motor with a linear mechanism according to item 1 or 2.