Welding gun

Abstract

The invention relates to the technical field of welding equipment, in particular to a welding gun. The welding gun comprises a spray head, a gas cavity, a nozzle assembly and a ball valve, wherein thespray head and the gas cavity are connected through pipe threads, the gas cavity and the nozzle assembly are connected through a connecting sleeve, the nozzle assembly is connected with the ball valve through pipe threads, and the spray head is in an arc shape of 45 degrees; the nozzle assembly comprises a nozzle, an adjusting nut, a gasket, an adjusting sleeve and a connector, wherein one end ofthe adjusting sleeve is provided with the nozzle, and the other end of the adjusting sleeve is provided with the connector, outer threads are arranged on the outer wall of the adjusting sleeve, the adjusting nut is arranged on the outer wall of the adjusting sleeve in a sleeved mode, and the gasket is arranged between the connecting sleeve and the adjusting nut; the connecting sleeve is connectedwith the gas cavity through pipe threads, and the connecting sleeve is connected with the adjusting sleeve through pipe threads; a cover ring is arranged on the spray head and is connected with the outer wall of the spray head in a sleeved mode; and one end of the ball valve is connected with the connector, and the other end of the ball valve is connected with a leather pipe connector. The welding gun is simple in structure and high in welding quality.

Description

[0001] This application was filed on February 25, 2016, the application number is 2016101117952, and the title of the invention is a divisional application of a patent for a welding gun. technical field [0002] The invention relates to the technical field of welding equipment, in particular to a welding gun. Background technique [0003] At present, in the field of welding technology, the base metal needs to be preheated or post-heated during welding, so that the quality of welding can be better. At present, there is no heating device that can realize the need to preheat or post-heat the base metal during welding. Therefore, welding after welding The overall performance of the components is not very good. Contents of the invention [0004] The invention provides a welding torch with simple structure and high welding quality. [0005] The present invention is achieved through the following technical solutions: [0006] A welding torch includes a spray head, an air chambe...

AI Technical Summary

Problems solved by technology

[0003] At present, in the field of welding technology, the base metal needs to be preheated or post-heated during welding, so that the quality of welding can be better. At present, there is no heating device that can realize the need to preheat or post-heat the base metal during welding. Therefore, welding after welding The overall performance of the parts is not very good

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