JPS5832496U

JPS5832496U - Rotary axis fine movement device

Info

Publication number: JPS5832496U
Application number: JP12655181U
Authority: JP
Inventors: 深町　嘉夫
Original assignee: 株式会社トプコン
Priority date: 1981-08-28
Filing date: 1981-08-28
Publication date: 1983-03-03
Also published as: JPH0134152Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は回転軸微動装置の従来例を示す部分横断面図、
第２図〜第４図はこの考案の回転軸微動装置を示し、第
２図は第一実施例を示す部分横断面図、第３図は第二実
施例の一部構成要素を省略した部分横断面図、第４図は
第三実施例を示す部分横断面図、第５図Ａ、　Ｂ、　Ｃ
，Ｄは従来の回転軸微動装置とこの考案の回転軸微動装
置の作用効果を比較するための模式図である。１・・・・・・緊定枠、２・・・・・・緊定枠腕部、３
・・・・・・緊定的、４・・・・・・回転軸、５・・・
・・・緊定ネジ、６，１８・・・・・・緊定ツマミ、７
・・曲ユニバーサルジヨイント、８・・・・・・微動ネ
ジ軸、１２・・・・・・緊定部材、１６・・曲緊定操作
軸。Fig. 1 is a partial cross-sectional view showing a conventional example of a rotating shaft fine adjustment device;
Figures 2 to 4 show the rotating shaft fine adjustment device of this invention, Figure 2 is a partial cross-sectional view showing the first embodiment, and Figure 3 is a portion of the second embodiment with some components omitted. 4 is a partial cross sectional view showing the third embodiment; FIGS. 5A, B, C
, D are schematic diagrams for comparing the effects of the conventional rotating shaft fine adjusting device and the rotating shaft fine adjusting device of this invention. 1...Tightening frame, 2...Tightening frame arm, 3
...Tense, 4...Rotation axis, 5...
...Tightening screw, 6,18...Tightening knob, 7
... Curved universal joint, 8... Fine adjustment screw shaft, 12... Tensioning member, 16... Curved tensioning operation shaft.

Claims

[Scope of utility model registration request]

(1) Pressing means for press-fitting and fixing the tensioning frame to the rotating shaft; Tightening means for activating the pressing means to tighten the tensioning frame to the rotating shaft; and driving the tensioning means. The tensioning means includes a tensioning operation means, and a fine movement means for rotating the tensioning frame about the rotation shaft and slightly rotating the rotation shaft, and the tensioning means has a universal connection with the pressure contact means. The tensioning operation means and the tensioning means are connected by a joint, and the respective shafts of the tensioning operation means and the tensioning means intersect and are engaged, and the fine movement means is inserted through a hollow shaft formed in the tensioning operation means. A rotating shaft fine movement device characterized by:

(2) The rotating shaft fine movement according to claim 1, wherein the pressure contact means includes a tension member and a tension screw that moves the tension member by rotation of the tension means. Device.

(3) The rotation according to claim 1 of the utility model registration, characterized in that the pressing means comprises a tension member and an eccentric cam that moves the tension member by rotation of the tension means. Axial fine movement device.

(4) The distance from the engagement point between the pressure welding means and the universal joint to the rotation center of the rotation shaft is 1, and the distance from the engagement point between the fine movement means and the arm of the tensioning frame to the rotation center of the rotation shaft is 1. The rotational shaft fine adjustment device according to any one of claims 1 to 3, characterized in that, where L is the distance, L>1.