A simple welding manipulator

Abstract

A simple welding manipulator comprises a base assembly, a multi-freedom-degree mechanical arm assembly and a welding gun fixing assembly. The base assembly is installed on the ground, the multi-freedom-degree mechanical arm assembly is connected with the base assembly and can achieve vertical up-and-down motion and horizontal circumnutation along the base assembly, the tail end of the multi-freedom-degree mechanical arm assembly is positioned at any position in space through relative motion among internal elements of the multi-freedom-degree mechanical arm assembly, the welding gun fixing assembly is connected to the tail end of the multi-freedom-degree mechanical arm assembly and used for installing a welding gun, and the welding gun can arrive at any needed working positions and angles through combination of regulating motion of the multi-freedom-degree mechanical arm assembly and regulating motion of the welding gun fixing assembly. According to the simple welding manipulator, the effects of improving the welding quality, labor conditions, working efficiency and economic benefits are achieved, and the advantages of being high in stability, large in positioning range, simple in structure, convenient and fast to operate, low in manufacturing cost and the like are achieved.

Description

technical field [0001] The invention relates to a welding process equipment, in particular to a simple welding manipulator used for clamping a welding torch during the welding operation of a steel pipe of a marine low-speed diesel engine, and belongs to the field of welding technology. Background technique [0002] In the manufacturing process of marine low-speed diesel engines, various steel pipes need to be welded, such as main lubricating oil pipes, air cooler inlet and return pipes, LDCL cooling water pipes, cylinder head cooling water inlet and return pipes, cylinder liner cooling water inlet and return pipes and other pipe fittings. Various pipe fittings have different functions: the main lubricating oil pipe is used to deliver lubricating oil for the whole diesel engine, which is located on the exhaust side of the machine base and the free end of the cylinder block of the frame, and needs to be welded and connected in combination with pipe bending; the air cooler The ...

AI Technical Summary

Problems solved by technology

However, there are many shortcomings in welding steel pipes with hand-held welding torches: first, electric welding is a special operation, because many welders often have unsafe behaviors in violation of the "Operation Regulations" in the operation, resulting in many hidden dangers of accidents at the electric welding operation site, For example, the shell of the electric welding machine is not grounded or the grounding is unreliable, the terminal post is exposed without insulation treatment, the welding torch exposes the lead connector conductor without insulation treatment, the welding torch soaks the lead wire in water, etc. There are certain hidden dangers to the personal safety of myself and others; secondly, the hand-held welding torch method has higher requirements for welders, and it is necessary to maintain the posture of holding the welding torch for a long time. Mechanical labor is easy to cause fatigue and cannot concentrate on work, thus It leads to a decrease in welding speed and low work efficiency; finally, the hand-held welding torch will shake the welding torch during the welding process, which makes it difficult to meet the flatness requirements of the weld seam and also affects the aesthetics of welding, so the welding quality is difficult to be guaranteed

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