Automatic tracking system for welding robot welding seam
A welding robot and automatic tracking technology, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of welding quality decline, welding condition change, welding torch deviation from the weld, etc., to achieve small calculation and error Wide range of effects with flexible adjustments
Inactive Publication Date: 2016-03-23
NANJING UNIV OF TECH +1
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Problems solved by technology
However, due to the influence of various factors, the actual welding conditions often change
For example: due to strong arc radiation, high temperature, smoke, spatter, groove conditions, processing errors, fixture clamping accuracy, surface conditions, and thermal deformation of the workpiece, the welding torch will deviate from the weld, resulting in a decline in welding quality or even welding failure
Method used
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Embodiment
[0029] like figure 1 and figure 2 , this embodiment includes a welding arm 1, a rotary box 2, a position adjustment mechanism 3, a laser 4, a laser sensor 5, a welding torch 6, a first motor 7, a second motor 8, a first motor drive shaft 9, and a rotary box drive shaft 10 , the second motor drive shaft 11 and the sensor drive shaft 12, the welding arm 1 is provided with a first motor, the first motor drives the conveyor belt on the position adjustment mechanism 3 through the first motor drive shaft 9, and the conveyor belt drives the rotary box drive shaft 10. Drive the rotary box 2 to rotate, thereby controlling the welding torch and laser set on the rotary box, the second motor is set on the rotary box, and the second motor controls the laser on the rotary box through the second motor drive shaft 11 and the sensor drive shaft 12 Move laterally.
[0030] like image 3 , this embodiment includes a non-contact laser seam sensor, a swing device, a welding torch three-dimensi...
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The invention provides an automatic tracking system for a welding robot welding seam. The system comprises a welding arm which is provided with a rotating box and a position adjusting mechanism, and the rotating box is provided with a laser sensor and a welding gun. The position adjusting mechanism comprises a first motor and a second motor. The laser sensor is connected with the second motor. The first motor, the second motor and the laser sensor are communicated to a DSP control system. The laser sensor is provided with a laser device which is used for emitting laser to the surface of a welded object. The DSP control system is connected with two drivers which are connected with the first motor and the second motor respectively. The laser sensor comprises the laser device, a CCD camera and a Bluetooth device, the laser device is used for emitting laser to the surface of the welded object, the CCD camera is used for shooting an image on the surface of the welded object, and the Bluetooth device is used for transmitting the shot image to the DSP control system.
Description
technical field [0001] The invention relates to the field of robot welding, in particular to an automatic seam tracking system for a welding robot. Background technique [0002] Welding robots can improve efficiency, optimize quality, and improve working conditions, so the development and application of welding robots play a huge role in my country's national economy. Most of the current welding robots are programmable teaching and reproduction robots, which can accurately complete the teaching operation in their workspace. During the welding process of the welding robot, if the welding conditions are basically stable, the robot can guarantee the welding quality. However, due to the influence of various factors, the actual welding conditions often change. For example: due to strong arc radiation, high temperature, smoke, spatter, groove conditions, processing errors, fixture clamping accuracy, surface conditions, and thermal deformation of the workpiece, the welding torch ...
Claims
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Login to View More IPC IPC(8): B23K37/00B23K37/02
CPCB23K37/00B23K37/0211
Inventor 周剑秋倪受东侯杰潘燕萍
Owner NANJING UNIV OF TECH