JPS5888055U

JPS5888055U - Sealing device

Info

Publication number: JPS5888055U
Application number: JP1981182203U
Authority: JP
Inventors: 西川　弘孝
Original assignee: 東洋製罐株式会社
Priority date: 1981-12-09
Filing date: 1981-12-09
Publication date: 1983-06-15
Also published as: JPS627028Y2

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図は本考案のシール装置が適用される静圧油軸受装
置を備える絞り−しごき缶胴体成形装置の例の要部平面
図、第２図は第１図の■−■線に沿う要部縦断面図であ
って、静圧油軸受装置の構造を示す図面、第３図は第１
図の■−■線に沿う縦断面図、第４図は第１図の■−Ｉ
Ｖ線からみた要部側面図、第５図は本考案のシール装置
の例の縦断面図、第６図は第５図のシール装置から固定
リングを除いた状態における平面図である。１・・・ラム、３・・・静圧油軸受装置、４・・・しご
き成形用ポンチ、５・・・ダイス装置、７・・・缶胴体
、２１・・・シール装置、２２・・・固定リング、２３
・・・シール部材保持体、２４・・・スペーサ、２４ａ
・・・中央突出部、２５・・・リング、２５ａ・・・側
方突出部、２６・・・（第１の）０リング、２９・・・
環状凹部、３０・・・シール部材、３０ａ・・・側方先
端部、３２・・・（第２の）０リング、３３・・・導孔
。１８ｃ　　　　　　　１５　１６第３図旧０１７１６　　　　’　　　Ｂｂ８ｃ５ＪFig. 1 is a plan view of the main parts of an example of a drawn-iron can body forming device equipped with a hydrostatic oil bearing device to which the sealing device of the present invention is applied, and Fig. 2 is a main part plan view along the line ■-■ of Fig. 1. FIG. 3 is a vertical sectional view showing the structure of the hydrostatic oil bearing device;
A vertical sectional view along the line ■-■ in the figure, Figure 4 is the ■-I in Figure 1.
5 is a longitudinal sectional view of an example of the sealing device of the present invention, and FIG. 6 is a plan view of the sealing device of FIG. 5 with the fixing ring removed. DESCRIPTION OF SYMBOLS 1... Ram, 3... Hydrostatic oil bearing device, 4... Punch for ironing, 5... Dice device, 7... Can body, 21... Sealing device, 22... Fixed ring, 23
...Seal member holder, 24...Spacer, 24a
... central protrusion, 25... ring, 25a... lateral protrusion, 26... (first) 0 ring, 29...
Annular recess, 30... Seal member, 30a... Side tip, 32... (second) O-ring, 33... Guide hole. 18c 15 16 Figure 3 old 0 1716' Bb 8c 5J

Claims

[Scope of utility model registration request]

(1) In a sealing device for a hydrostatic oil bearing device that supports a ram having an ironing punch fixed to its tip, a fixing ring provided in contact with the die device side end of the hydrostatic oil bearing device; inscribed in the fixed ring via a first O ring,
A sealing member holder having an approximately figure-eight cross section, the inner diameter of the central protruding portion and the side protruding portions being slightly larger than the outer diameter of the ram; a pair of sealing members made of elastic rubber and having only their lateral tips in contact with the ram; A sealing device comprising a second O-ring provided in contact with the lateral protrusion.

(2) The sealing device according to claim 1, wherein a guide hole is provided through the central protrusion.

(3) The sealing device according to claim 1, wherein the lateral tip of the sealing member is knife-shaped.