JPS63198857U

JPS63198857U -

Info

Publication number: JPS63198857U
Application number: JP9073387U
Authority: JP
Priority date: 1987-06-15
Filing date: 1987-06-15
Publication date: 1988-12-21

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案実施例第１例を示すも
ので、第１図は駆動装置付きボールねじの部分の
一部切断正面図、第２図は一方向移動テーブルの
一部切断正面図、第３図は第２図の側面図、第４
図は第２図のＡ−Ａ断面図であり、第５図は実施
第２例を示す駆動装置付きボールねじの一部切断
正面図である。図中の符号はそれぞれ下記部材を示す。１……
ボールねじ軸、２……ボールねじ用ナツト、３…
…内輪、４……ロータ、５……玉軸受、６……モ
ータハウジング、７……ステータ、８……ベツド
、９……テーブル。 Figures 1 to 4 show the first embodiment of the present invention, in which Figure 1 is a partially cutaway front view of a ball screw with a driving device, and Figure 2 is a partially cutaway front view of a unidirectional moving table. The front view, Figure 3 is the side view of Figure 2, and Figure 4 is the side view of Figure 2.
The figure is a sectional view taken along the line AA in FIG. 2, and FIG. 5 is a partially cutaway front view of a ball screw with a driving device showing a second embodiment. The symbols in the drawings indicate the following members, respectively. 1...
Ball screw shaft, 2...Ball screw nut, 3...
...Inner ring, 4...Rotor, 5...Ball bearing, 6...Motor housing, 7...Stator, 8...Bed, 9...Table.

Claims

[Claims for Utility Model Registration] 1. A rotor drive on an inner ring provided with a ball screw nut that engages with a ball screw shaft driven by a first motor, and in which the ball nut is fixed to the ball screw nut. 1. A ball screw unit characterized in that a second motor is provided, one of which is connected to a bed, and the other of which is connected to two members such as a table that move linearly relative to each other. 2. An inner ring is provided on one end of the ball screw nut and is rotatably fitted to the ball screw shaft, and the rotor of the second motor is fixed to the outer periphery of the inner ring, and a bearing is also provided on the outer periphery. second
A ball screw unit according to claim 1, characterized in that a housing for a motor is attached thereto. 3. An inner ring is fixed to the outer periphery of the ball screw nut, a rotor of the second motor is fixed to the outer periphery of the inner ring, and a housing of the second motor is also attached to the outer periphery via a bearing. A ball screw unit according to claim 1 of the utility model registration claim. 4. The ball screw unit according to claim 1, wherein the inner ring is integrally constructed with a ball screw nut.