JPH0324382U

JPH0324382U -

Info

Publication number: JPH0324382U
Application number: JP8547089U
Authority: JP
Priority date: 1989-07-19
Filing date: 1989-07-19
Publication date: 1991-03-13
Anticipated expiration: 2004-07-19
Also published as: JPH0731893Y2

Description

[Brief explanation of the drawing]

図面の第１図乃至第７図は実施例を示すもので
あり、第１図は本装置の正面断面図、第２図は第
１図のＡ−Ａ矢視図、第３図は第１図および第２
図のＢ−Ｂ矢視図、第４図は第２図のＣ−Ｃ矢視
図、第５図は本装置を適用した可搬式溶接機の正
面断面図、第６図はその側面図である。第７図は
本装置の作用説明図である。第８図、第９図は従
来例を示すものであり、第８図はその作用説明図
、第９図は不都合事例を示す本考案との対照部分
断面図である。１……本装置、２……装置枠、１０……エアシ
リンダー、１１……ピストン、１２……ピストン
ロツド、１５……カラー、２０……均等加圧子、
２１……自主リンク、２２……加圧支え軸、２５
……加圧軸、２６……加圧コロ、２７……摺動子
、２８……皿バネ、３０……加圧電極ホルダー、
３５……加圧電極、４０……スプリング機構、４
１……スプリングホルダ、４２……スプリング、
４３……押圧子、４５……補助スプリング、５０
……可搬式小型溶接機。 1 to 7 of the drawings show an embodiment, in which FIG. 1 is a front sectional view of the device, FIG. 2 is a view taken along arrow A-A in FIG. 1, and FIG. Figure and second
Fig. 4 is a view taken along the line C-C in Fig. 2, Fig. 5 is a front sectional view of a portable welding machine to which this device is applied, and Fig. 6 is its side view. be. FIG. 7 is an explanatory diagram of the operation of this device. 8 and 9 show a conventional example, FIG. 8 is an explanatory diagram of its operation, and FIG. 9 is a partial cross-sectional view showing an inconvenient case in comparison with the present invention. 1... This device, 2... Device frame, 10... Air cylinder, 11... Piston, 12... Piston rod, 15... Collar, 20... Equal pressure element,
21... Voluntary link, 22... Pressure support shaft, 25
... Pressure shaft, 26 ... Pressure roller, 27 ... Slider, 28 ... Belleville spring, 30 ... Pressure electrode holder,
35... Pressure electrode, 40... Spring mechanism, 4
1...Spring holder, 42...Spring,
43...Press element, 45...Auxiliary spring, 50
...Portable small welding machine.

Claims

[Scope of utility model registration request]

An electrode uniform pressurizing device for a two-point spot welding machine includes an air cylinder for pressurizing, a piston, a piston rod formed in a hollow cylindrical manner, and a pressurizing support housed inside the cylinder of the piston rod and pivotally supported by the piston rod. a shaft, a flexible link pivotally supported by the pressure support shaft, a pressure roller provided at the tip of the flexible link via the pressure shaft, a slider that receives the pressure force of the pressure roller in a line, and the above-mentioned A uniform pressure element including a disc spring that balances the pressure force of the slider and transmits it to the pressure electrode holder, and a pressure member that includes two pressure electrodes and has a perforation in the upper part for accommodating the slider and the disc spring. 1. An electrode uniform pressurizing device for a welding machine, comprising an electrode holder, a spring mechanism and an auxiliary spring for balancing the pressurizing operation of the pressurizing electrode holder.