Automatic linear welding device for tank body

Abstract

The invention relates to the technical field of tank welding, and particularly discloses an automatic linear tank welding device which comprises a workbench, a rotating assembly, a rotating cylinder assembly, a discharging roller way, a feeding and discharging device, a material guiding assembly, a protection device, a multi-axis welding robot, a water cooling jacket, a laser range finder, a controller, a gun washing machine and a protection gas tank. The laser range finder is arranged on the welding gun head of the multi-axis welding robot, multi-point sampling can be carried out on the periphery of the tank body before linear welding is carried out on the tank body, so that the actual position coordinates and the shape tolerance of a welding seam of the tank body are determined, then self-adaptive linear welding is carried out through the welding gun of the multi-axis robot, and the welding quality of the tank body is improved. The influence of repeated positioning errors on the welding seam precision is eliminated; by arranging the feeding and discharging device and the material guiding assembly, rapid feeding and discharging can be conducted, and therefore the production takt is improved; the water-cooled jacket is mounted on the protective jacket, so that the protective jacket of the welding gun can be cooled in real time, and the service life of the protective jacket is prolonged.

Description

technical field [0001] The invention belongs to the technical field of tank body welding, in particular to an automatic linear welding device for tank bodies. Background technique [0002] The high-pressure gas storage tank is a common pressure vessel. The tank body is usually butt-welded to the two parts of the tank body by arc welding, and the quality of the weld is extremely high, especially for its circumferential direction. The thickness and uniformity of the weld seam need to be strictly controlled. [0003] Since the two parts of the shell of the tank body need to be spot welded before linear welding, there will be a certain shape and position error during the spot welding process, and there will also be a positioning error during the positioning process. Therefore, in the normal welding process Due to individual differences in the process, the position of the weld seam will have a certain offset, and it is difficult to ensure the consistency of the quality of the we...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an automatic linear welding device for tanks, so as to overcome the defect that the quality consistency of the weld seam is not well controlled due to the low positioning accuracy of the existing tanks during the linear welding process, and the loading and unloading Inconvenient, slow production cycle, and fast aging of the protective cover of the welding torch

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