Automatic stud spot welding machine

Abstract

The invention discloses an automatic stud spot welding machine. The automatic stud spot welding machine comprises a support platform, a ball buffering assembly, a welding machine main body assembly, around tube rolling assembly and a movable electrode rod assembly, wherein the ball buffering assembly is used for supporting a round tube, the round tube rolling assembly is used for driving the round tube to roll and axially move, and the ball buffering assembly, the welding machine main body assembly, the round tube rolling assembly and the movable electrode rod assembly are installed on the support platform; the welding machine main body assembly comprises a fixed arm, a fixed seat, an electrode rod, a conductive rod, a welding nail clamping head and a red copper connecting water passing block; the fixed arm is installed on the fixed base, the fixed seat is arranged on the support platform, the welding nail clamping head and the red copper connecting water passing block are installed on the fixed arm, the electrode rod and the conductive rod are movably arranged in the red copper connecting water passing block and are connected to the front end of the conductive rod; and the conductive rod is driven by a first air cylinder, and studs are clamped together with the electrode rod through the welding nail clamping head.

Description

technical field [0001] The invention belongs to the field of mechanical welding equipment, and in particular relates to an automatic stud spot welder, especially a spot welder suitable for welding a stud station on the inner wall of a narrow circular tube. Background technique [0002] Welding is an important and common process for firmly joining metals. Spot welding, as one of them, is widely used in the manufacturing industry. By tightening the two pieces of metal, and passing a large current in a small contact surface, the two pieces of metal are melted and fused, and the effect of solid connection is achieved after cooling. The spot welding process will not damage the internal structure of the workpiece, and there is no need to add other welding materials. [0003] In the field of solar energy, there is a circular tube, because the length of the circular tube is very long, and the space inside the circular tube is also very narrow. A lot of studs need to be welded insi...

AI Technical Summary

Problems solved by technology

The traditional welding is to cut the round tube into two halves, and then weld it. Because it is arc welding, it is easy to put the studs in a wrong direction if you are not careful, resulting in unreliable welding.

And after the cut round tube is welded to the stud, the round tube is closed and welded. The operation is a bit troublesome, and there are also factors of weak welding.

[0004] Since there is generally water in the round tube, which reduces heat dissipation, the round tube is cut and then welded. When water is added to the round tube, it is easy to rust the closed welding part of the round tube for a long time, resulting in water leakage at the welded part.

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