JPH0372147U

JPH0372147U -

Info

Publication number: JPH0372147U
Application number: JP13371089U
Authority: JP
Priority date: 1989-11-16
Filing date: 1989-11-16
Publication date: 1991-07-22

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す斜視図、第２
図は第１図に示す回転自在のナツトの詳細を示す
部分断面図、第３図は、従来の一例を示す斜視図
である。２，３，１２，３２，５０……ボールネジ、４
，５，１１，３１……ガイドレール、２０，２１
，４０，４１……プーリ付ナツト、１０，３０…
…Ｘ可動部、１４，３４……Ｙ可動部、１１，１
３，３１，３３……サーボモータ、２２，２３，
４２，４３……歯付ベルト、５１……ナツト、５
９……アンギユラベアリング、５５，５６……歯
付プーリ。 Fig. 1 is a perspective view showing one embodiment of the present invention;
This figure is a partial cross-sectional view showing details of the rotatable nut shown in FIG. 1, and FIG. 3 is a perspective view showing an example of the conventional nut. 2, 3, 12, 32, 50...Ball screw, 4
, 5, 11, 31... Guide rail, 20, 21
, 40, 41... Nut with pulley, 10, 30...
...X moving part, 14,34...Y moving part, 11,1
3, 31, 33... Servo motor, 22, 23,
42, 43... Toothed belt, 51... Nut, 5
9... Anguilla bearing, 55, 56... Toothed pulley.

Claims

[Scope of utility model registration request]

A first ball screw and a second ball screw whose both ends are fixed to the base in parallel with a set of parallel guide rails, and a ball screw whose both ends are guided by the set of parallel guide rails and are assembled to the first ball screw. a first movable part in which a first nut and a second nut assembled to the second ball screw are rotatably supported at both ends; and a first movable part mounted in the center of the first movable part. The output pulley of the servo motor and the first
a first transmission mechanism in which the nut and the second nut are connected in the same phase by a belt; a third nut whose both ends are guided by the parallel guide rails and which are assembled to the first ball screw; a second movable part in which a fourth nut assembled to a second ball screw is rotatably supported at both ends; an output pulley of a second servo motor mounted in the center of the second movable part; a second transmission mechanism that connects the third nut and the fourth nut in the same phase; The third part is connected to the nut of the ball screw driven by the motor.
A two-head XY moving device comprising a movable part and a fourth movable part.