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Control system and control method for movement of welding machine

A control method and control system technology, which is applied in the field of large-scale, high-precision welding machine mobile control systems, can solve problems such as inapplicability, achieve high efficiency, easy system operation, and avoid manual input of position parameters.

Active Publication Date: 2015-03-04
SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0003] At present, the automatic identification of solder joints is mostly limited to the identification of short-distance and small field of view. This method cannot be applied to some occasions that require large-scale operations and the position of the welding target is not fixed.

Method used

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  • Control system and control method for movement of welding machine

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Embodiment Construction

[0044] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0045] see figure 1 , which shows a structural block diagram of the welding machine mobile control system provided by the present invention. As can be seen from the figure, the control system is mainly composed of control host 1, motion control card 2, motor driver 3, servo motor 4, digital quantity board 5, light source 6, AD board 7, limit switch 8, and the first CCD visual sensor 9 and the second CCD vision sensor 10 and track (not shown in the figure) cooperate to form.

[0046] Wherein, the track provides a moving path for the welding machine to move, which is distributed relative to the area to be welded, and provides a longitudinal and a horizontal moving path for the welding machine.

[0047] The limit switch 8 is a through-beam photoe...

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Abstract

The invention discloses a control system and a control method for movement of a welding machine. The control system is composed of a control host machine, a movement control card, a digital quantity board card, CCD vision sensors, a servo motor, a driver, a guide rail, a light source, an AD board card and a limiting switch; a man-machine operation interface is adopted by the system for receiving a user instruction; the position and the operation area of the welding machine are monitored by the system through the remote CCD vision sensor in real time; a user can control the quick movement of the welding machine by clicking the position of a target welding slice with a mouse; after the welding machine reaches the position of the welding slice, a close-range CCD vision sensor for identifying a welding spot works; the secondary movement positioning is performed according to a space coordinate given by a welding spot image identifying algorithm, the welding spot is accurately positioned, and the subsequent welding operation is performed. According to the scheme, the accurate movement control within 6*4.5m wide scope is realized, the control precision reaches 0.1mm, and the control system can be applied to the movement control for a solar battery array resistance welding machine as well as the other industry fields requiring wide-scope quick accurate positioning.

Description

technical field [0001] The invention relates to automatic control technology, in particular to a mobile control system for large-scale and high-precision welding machines. Background technique [0002] Mobile control of welding machines can be used in welding fields such as automotive, aerospace and military industries. How to quickly and accurately reach the designated location and reduce manual intervention plays an important role in improving production efficiency, ensuring product quality and pass rate. [0003] At present, the automatic identification of solder joints is mostly limited to the identification of short-distance and small field of view. This method cannot be applied to some occasions that require large-scale operations and the position of the welding target is not fixed. Contents of the invention [0004] Aiming at the problems existing in the existing automatic control technology of welding machines, the purpose of the present invention is to provide a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00
CPCB23K37/00B23K37/0211
Inventor 秦琴黄江巍刘正国
Owner SHANGHAI SECOND POLYTECHNIC UNIVERSITY
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