The invention belongs to the technical field of mechanical-electrical integration and particularly relates to a steel meshwork automatic
welding device and production technology thereof. The device of the invention comprises a gantry pressure
welding frame, a
numerical control pressure welder, a pressurizing mechanism, a resistance
welding transformer, an
electric control cabinet, a resistance welding controller, a trolley track, a mould base trolley, a step trolley, a demountable welding fixture and a
servo drive device, wherein the mould base trolley contains a mould base cross beam, a mould base left end beam, a mould base right end beam, mould base trolley wheels, a left lateral overturning and positioning frame, a right lateral overturning and positioning frame, a left lateral overturning cylinder, a right lateral overturning cylinder, positioning frame pins, an upper positioning block, a lower positioning block, a mould base front end beam, a mould base back end beam, a front lateral overturning positioning frame, a back lateral overturning positioning frame, a front lateral overturning cylinder, a back lateral overturning cylinder, and positioning frame pins. The device of the invention and the welding technology thereof have high degree of
automation, higher work efficiency, good consistency of the product and high quality of the product; and the device and technology are especially suitable for the
engineering with short construction time and high demand on the construction period.