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System and method for tracking weaving arc space weld based on MEMS (micro-electromechanical systems) sensor

A tracking system and sensor technology, used in arc welding equipment, welding equipment, manufacturing tools, etc., can solve the problem of space welding being difficult to achieve automation, and achieve the effect of expanding the welding range

Active Publication Date: 2016-07-06
XIANGTAN UNIV
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that space welding is difficult to automate, and to provide a MEMS sensor-based oscillating arc space seam tracking system and method

Method used

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  • System and method for tracking weaving arc space weld based on MEMS (micro-electromechanical systems) sensor

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Embodiment 1

[0018] attached figure 1 Shown is the system hardware link diagram of the embodiment of the present invention, equipped with a manipulator 1, a wire feeder 2, a swing calculator 3, a welding torch inclination calculator 4, a swing arc space seam tracking signal processor 5, a welding expert system 6, Welding torch posture real-time adjuster 7, built-in MEMS sensor welding torch 8, arc sensor 9, welding power supply 10.

[0019] The built-in MEMS sensor welding torch 8 is a welding torch specially designed for this system, see attached figure 2 In addition to the torch head 2 and the cover plate 6, the welding torch also integrates a MEMS sensor 4 (gyroscope, accelerometer), a collision recognition circuit 5, and necessary shock-absorbing pads 3. For the welding robot, there is a defect that its body has anti-collision but the welding torch does not. The function of the collision identification circuit 5 is to identify abnormal collisions in the welding work and control the ...

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Abstract

The invention discloses a system and a method for tracking a weaving arc space weld based on an MEMS (micro-electromechanical systems) sensor. The system comprises a manipulator, a welding power source, a wire delivery machine, an electric arc sensor, a built-in type MEMS sensor welding gun, a weaving arc space weld tracking signal processor, a welding gun tilting angle operator, a swinging direction operator, a welding gun attitude real-time adjuster, and a welding expert system. The system adopts a core principle that the space weld can be tracked by the weaving arc space weld tracking method based on the MEMS sensor, and has the advantage that the space attitude of the welding gun is collected by an arc sensor, a gyroscope and an accelerometer, and the tilting angle and swinging direction of the welding gun are automatically adjusted by weld angle differential identification, vertical displacement orientation and other methods, so that the real-time tracking of the space complicated weld is realized.

Description

technical field [0001] The invention relates to the technical field of welding automation, in particular to a MEMS sensor-based space weld seam tracking system and method. Background technique [0002] Although the current seam tracking technology has become mature, there are not many studies on the complex space seam, and the application effect is not very good. Since there are more and more large and important components, not limited to the automatic tracking of horizontal welds, the exploration of spatial weld tracking systems has become the key to welding automation. Therefore, only by fully considering the complexity of the welding environment and the diversity of weldment positions can the quality of welding be guaranteed and a solid foundation for automatic welding can be laid. In order to adapt to the development trend of modern industrial production, especially Industry 4.0, industrial production is increasingly developing towards small and medium batch production,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/127
CPCB23K9/1276
Inventor 洪波庞争林汤小虎杨鹏昊
Owner XIANGTAN UNIV
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