Method and system for welding steel coils
A welding method and steel coil technology, which is applied in the field of steel coil welding, can solve problems such as low welding efficiency, inability to guarantee the health of workers and welding quality, and the impact of poor working environment
Active Publication Date: 2021-03-26
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY +1
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- Application Information
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Problems solved by technology
The prior art relies on manual welding
However, when the current welding is done manually, the welding efficiency is low, the poor working environment during welding affects the health of workers, and the welding quality cannot be guaranteed.
Method used
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Embodiment Construction
[0050] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0051] An embodiment of the present invention provides a steel coil welding method, comprising: a steel coil, a welding torch and a laser sensor, the welding torch and the laser sensor are installed at the end of the robot, and the steel coil welding method includes the following steps, such asfigure 1 Shown:
[0052] Calibration: Calibrate the tool center point of the welding torch and the laser sensor, establish the first space Cartesian coordinate system, and the x-axis of the first space Cartesian coordinate system is parallel to the laser emitted by the laser sensor;
[0053] Get the spot welding coordinates: receive the signal that the steel coil is transported to the turntable;
[0054] Move the laser sensor to the measuring position, which is located outside the steel coil, and can ensure that the laser sensor can measure the distance from the s...
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The invention discloses a steel coil welding method and system. The steel coil welding system comprises a steel coil, and a welding gun and a laser sensor which are arranged at the tail end of a robot. The steel coil welding method comprises the steps of measuring the coordinates of four points by the laser sensor; establishing a second space rectangular coordinate system from a first space rectangular coordinate system through the coordinates of the four points; finding the initial position of the steel coil in an inner hole in the second space rectangular coordinate system; welding the fourpoints and carrying out segment welding at the initial position; and after spot welding and segment welding, waiting for a rotary table to drive the steel coil to rotate, repeating the same process onthe other side of the steel coil to finish the spot welding and the segment welding on the other side of the steel coil. Therefore, the steel coil welding is finished without manual work, and the health of welding workers is not affected; and the steel coil is welded by the robot automatically, so that the welding efficiency is high, and the welding quality is effectively guaranteed.
Description
technical field [0001] The invention relates to the field of steel coil welding, in particular, to a steel coil welding method and system. Background technique [0002] In order to fix the cold-rolled steel coil, the cold-rolled steel coil needs to be welded before transportation, specifically, a short section welding is performed at the beginning of the steel strip inside the steel coil and spot welding is carried out at the inner hole of the steel coil. Second-rate. In order to ensure that the finished steel coil does not fall apart, it plays a fixed role. The prior art relies on manual welding. However, when the current welding is done manually, the welding efficiency is low, the poor working environment during welding affects the health of workers, and the welding quality cannot be guaranteed. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides an automatic steel coil welding method and system wit...
Claims
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IPC IPC(8): B23K37/00B23K37/02B23K37/04B23K31/02
CPCB23K31/02B23K37/00B23K37/0252B23K37/04
Inventor 薛龙曹莹瑜方伟姜振韩峰
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY