SU92805A1 - Roller Welding Device - Google Patents

Description

A device for roller welding of sheet material with a closed circular seam on contact roller or point machines is proposed. ,

Known devices of this kind do not ensure the implementation of a simple process of welding in a closed loop.

In the proposed device, a significant simplification of the welding process is achieved due to the fact that in the device the upper electrode is made in the form of a fork rotated by an electric motor around a vertical axis with two rollers symmetrically arranged on it, one of which serves as an electrode and the second is an insulating stop.

FIG. and 2 shows two projections of the proposed adaptation.,

The device is made in the form of a cast bronze body, which is fixed to the body of the welding machine by the bracket 2.

A bronze shaft with gear 4 is mounted into the housing I of the device. Through gear 3, the coupling 5 and the ring 6 connected to the rotating shaft of the welding machine, is driven into rotational

motion.

On the shaft of the gear 4 mounted and fixed motionless bronze

fork 7.

An axle 8 is fastened on the fork 7, on the ends of which two freely rotating rollers are mounted, one of which 10 is an electrode and the other 9 is an auxiliary insulating roller.

Due to the fact that the axis 8 is fixed in a fork on the axis 11, near which it can rotate freely, the pressure during welding on both rollers is distributed evenly in accordance with the arms from the axis 11.

This design of the upper electrode allows to avoid off-center loads during the production of welding, in addition, auxiliary No. 92805-12 -.

The heavy insulation roller 9 keeps the material from shearing during welding.

The bottom electrode (not shown in the drawing) is a fixed ring or the same roller system as the top electrode.

For cooling during welding, roller 10 is washed with water. For supplying water to the housing 1, a special tip is mounted, and a 7-drainage pipe 12 to the plug.

The diameter of the rollers 9 and 10 depends on the radius of the circle, and which need to be welded. To do this, you only need to change the axis 8.

If, however, when welding, the ends of the axis do not interfere with anything, then axis 8 can be made with the possibility of axial movement of the rollers 9 and 10 along it.

Vrap, movement of the rollers in a circle can be carried out both from the drive, from the machine, and from the independent drive (in the design shown in the drawing, the drive of the welding machine is used).

Subject invention

1. Device for roller welding of sheet material by a closed circular seam on contact roller or point machines, characterized in that, in order to simplify the process of welding with a closed loop, in adaptation the upper electrode is made in the form of a motor rotated around a vertical axis of a fork with two symmetrically positioned on it there are rollers, of which one serves as an electrode, and the second as an insulating stop.

2. A device according to Claim 1, characterized in that the lower electrode can be made in the form of two fixed rolls on the fork, like the upper one or in the form of a fixed ring.

Fig / e.