An automatic welding device for steel bar submerged arc stud welding

Abstract

The invention discloses an automatic welding device for steel bar submerged arc stud welding, which comprises a gantry frame, an operation platform, a feeding mechanism, a control cabinet, a welding torch, a power supply and a power cord; the gantry frame includes a track foundation, a track, a beam and a base; The working platform is set between the parallel track foundations; the feeding mechanism is fixed on the base on one side for feeding steel bars; one side of the feeding mechanism is equipped with a welding torch, which is connected to the side of the beam and can be moved along the The control cabinet for the movement of the beam in the length direction is fixed on the base on the other side, and the control cabinet is respectively connected to the feeding mechanism, the welding torch and the base signal; The power cord is arranged along the track length and connected to the power supply, and the other end of the power cord is electrically connected to the control cabinet. The invention realizes the automation of material feeding and welding process of submerged arc stud welding of steel bars, improves welding efficiency and welding quality, and reduces labor cost and labor intensity of operators.

Description

technical field [0001] The invention belongs to the field of welding equipment, and in particular relates to an automatic welding device for steel bar submerged arc stud welding. Background technique [0002] As a component embedded in concrete, the embedded parts of nuclear power plant provide important connection support for a large number of pipes, equipment, brackets, etc. in the nuclear island plant, and realize the function of firm connection between structural components and civil foundations. Embedded parts are mainly composed of steel plates and anchors welded on them. There are mainly two structural forms of embedded parts, namely embedded parts with anchor nails and embedded parts with anchoring steel bars. The traditional welding methods for anchoring reinforced embedded parts are mainly manual electrode welding and carbon dioxide gas shielded welding, but these welding methods have the following disadvantages: 1) The welding efficiency is low; 2) The pass rate o...

AI Technical Summary

Problems solved by technology

The traditional welding methods for anchoring reinforced embedded parts are mainly manual electrode welding and carbon dioxide gas shielded welding, but these welding methods have the following disadvantages: 1) The welding efficiency is low; 2) The pass rate of welding is low; 3) The surface quality of the weld seam is not good, and the transition between weld beads is not smooth; 4) When welding multiple steel bars on one steel plate, the steel plate is easily deformed due to the large heat input, which needs to be corrected

As a new type of welding method for embedded parts, submerged arc stud welding has begun to be applied in the field of nuclear power construction. The invention patent CN101138804B discloses a submerged arc stud welding machine and its operation method. The welding machine is a semi-automatic welding machine. The welding process needs to be completed manually, which has the disadvantages of unstable welding quality, low welding efficiency, high labor intensity, and large consumption of human resources.

Images