SU1214362A1 - Electrode unit for resistance spot welding machine - Google Patents

Description

eleven

This invention relates to machine engineering, in particular to npOIiaiaUMi-luy

electrode assemblies for contact point machines, and can find application in the manufacture of various kinds of welded structures.

The purpose of the invention is to simplify the design.

The drawing shows the electrode: knot, cut.

The electrode assembly for the contact point machine comprises a housing consisting of two cavities a and S, separated by a partition 2.

The upper cavity a of housing 1 is connected to the cooling system by means of fitting 3, and the lower cavity b is connected by means of stutder 4.

In the housing 1 there is a tube 5 with a spring 6, the inlet end of which is closed by a plug 7. At some distance from the inlet end of the tube 5 there are holes 8 for supplying fluid to the bottom of the cooling channel of the electrode 9.

In the working position, the tube 5, due to the use of the spring b, kg1 is located at the bottom of the cooling channel of the electrode 9, providing intensive heat removal and increasing the resistance of the electrode.

22

The electrode assembly works as follows.

Through the nozzle 3, water is supplied to the cavity of the housing 1, then through the 8 unscrew the tube 5 and close the inlet end to the bottom of the cooling channel of the electrode 9 and is brought out through the nozzle 4.

When removing the electrode 9 spring 6

moves the tube 5 up to the stop of the plug 7, which makes the entrance end of the tube into the partition 2; At the same time, the holes 8, made on the α-tube, are displaced from the cavity and towards

the cavities S overlap and the water supply 3 of the tube is stopped.

When installing the electrode 9, the tube 5 rests on the bottom of the cooling channel, the spring 6. In this case, the input

the end of the pipe 5 with the holes 8 is displaced from the cavity 8 into the cavity a. Through the holes 8 into the tube begins to flow and the liquid.

The total area of the holes is equal to or greater than the cross-sectional area of the tube.

The electrode assembly is easy to manufacture and operate. The use of its cavities increases the resistance of the electrodes and reduces the time spent on the replacement of worn electrodes.

VNIIPI Circulation 1000:

Order 828/19 Subscription

Branch PPP Patent,

about Uzhgorod 5 ulo Design, 4

Claims (2)

1. ELECTRODE ASSEMBLY FOR A CONTACT POINT MACHINE, containing an electrode and a tube for supplying cooling. liquids placed in a housing made with cavities for supplying and discharging coolant, characterized in that, in order to simplify the design, the end face of the tube from the side opposite to the side facing the electrode is blind and spring-loaded relative to the housing on the side surface of the tube through holes are made at the deaf end, the body cavities are separated by a partition with an opening provided in it for placement of a pipe for supplying cooling water in it, the plugged end of which is placed in the cavity for giving coolant. 2. Knot pop. ^ characterized in that the total area of the through holes made on the side surface of the tube is <g or greater than the cross-sectional area of the tube. SU „„ 1214362>