JPS61113583U

JPS61113583U -

Info

Publication number: JPS61113583U
Application number: JP19571184U
Authority: JP
Priority date: 1984-12-24
Filing date: 1984-12-24
Publication date: 1986-07-18

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の一実施例を示す図で
、第１図は構成を示す斜視図、第２図は四脚界磁
鉄板を示す平面図、第３図は第１、第２の四脚界
磁鉄心の脚先端歯部における１／２ピツチずれを
示す図、第４図はスライダーの移動のようすを示
す図である。第５図ａ，ｂは従来のリニアパルス
モータの構成を示す正面断面図および側面図であ
る。３……レール、７……永久磁石、８……押え板
、２１……スライダー、２２ａ，２２ｂ……第１
、第２の四脚界磁鉄心、２３……非磁性体、２４
……励磁コイル、２５……四脚励磁鉄板、２６ａ
〜２６ｄ……四脚励磁鉄板の脚、２７……四脚界
磁鉄板の歯部、２８……１／２ピツチの出つ張り
、２９……脚先端歯部。 1 to 4 are views showing one embodiment of the present invention, in which FIG. 1 is a perspective view showing the configuration, FIG. 2 is a plan view showing a four-legged field iron plate, and FIG. FIG. 4 is a diagram showing a 1/2 pitch shift in the leg end teeth of the second four-legged field core, and FIG. 4 is a diagram showing the movement of the slider. FIGS. 5a and 5b are a front sectional view and a side view showing the configuration of a conventional linear pulse motor. 3...Rail, 7...Permanent magnet, 8...Press plate, 21...Slider, 22a, 22b...First
, second four-legged field core, 23... non-magnetic material, 24
... Excitation coil, 25 ... Four-legged excitation iron plate, 26a
~26d...Legs of the four-legged excitation iron plate, 27...Teeth of the four-legged field iron plate, 28...1/2 pitch protrusion, 29...Leg tip teeth.

Claims

[Scope of utility model registration request]

In a linear pulse motor in which the movable part runs linearly on a rail, the movable part has one end at the tip of the leg.
A first four-legged field iron core is formed by laminating four-legged field iron plates having a protrusion of /2 pitch, and this first four-legged field iron core has a lamination direction of the four-legged field iron plates. a second four-legged field iron core formed by stacking the four-legged field iron plates in reverse order; and a non-magnetic material sandwiched and integrally fixed by the first and second four-legged field iron cores. , a permanent magnet provided above the first and second four-legged field cores and the non-magnetic material that are integrally fixed, and a permanent magnet provided at the leg portions of the first and second four-legged field cores, respectively. A linear pulse motor comprising a wound excitation coil.