JPS60142073U

JPS60142073U - screw retainer

Info

Publication number: JPS60142073U
Application number: JP2895384U
Authority: JP
Inventors: 古賀　幸彦
Original assignee: 日本電気ホームエレクトロニクス株式会社
Priority date: 1984-02-29
Filing date: 1984-02-29
Publication date: 1985-09-20

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図はこの考案が適用されるねじ締め機のねじ締めユ
ニット要部を示す斜視図、第２図はその断面図、第３図
はこの考案によるねじ保持管体の先端部を拡大して示す
斜視図、第４図は第３図の■−■線に沿う断面図、第５
図はその要部を拡大して示す斜視図、第６図〜第１１図
は本案ねじ保持装置によるねじ保持動作およびねじ締め
動作を説明する夫々断面図である。１０・・・ねじ締めユニット、１１・・・保持管体、１
４・・・ねじ保持片、Ｓ・・・ねじ、１６・・・突起、
Ａ、　Ｂ・・・ねじ締め対象物、ａ・・・取付孔、ｂ・
・・ねじ孔、２０・・・供給シュート、２２・・・ブツ
シャ、２３・・・エアシリンダ。Fig. 1 is a perspective view showing the main parts of a screw tightening unit of a screw tightening machine to which this invention is applied, Fig. 2 is a sectional view thereof, and Fig. 3 is an enlarged view of the tip of the screw holding tube body according to this invention. Fig. 4 is a sectional view taken along the line ■-■ in Fig. 3;
The figure is an enlarged perspective view of the main part, and FIGS. 6 to 11 are cross-sectional views illustrating the screw holding operation and screw tightening operation by the screw holding device of the present invention. 10... Screw tightening unit, 11... Holding tube body, 1
4...Screw holding piece, S...Screw, 16...Protrusion,
A, B...Object to be screwed, a...Mounting hole, b...
...screw hole, 20...supply chute, 22...button, 23...air cylinder.

Claims

[Scope of utility model registration request]

An elastically deformable screw is attached to the tip of a hollow screw holding tube body attached to the screw tightening unit of an automatic screw tightening machine that holds and releases the supplied screw and screws it into the object to be screwed. A screw holding device characterized in that holding pieces are provided at a plurality of locations in a circumferential direction, and a protrusion bulging inward is formed on the inner surface of the tip end of the screw holding piece so as to be able to fit with the underside of the neck of the screw head.