Key technologies and application trends of industrial robots (2)
Mobile robot (AGV) Arc welding robot Previous Next
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Mobile robot (AGV) is a type of industrial robot. It is controlled by computer and has functions such as mobile, automatic navigation, multi-sensor control, network interaction, etc. It can be widely used in machinery, electronics, textile, cigarette, medical, food, Flexible handling, transmission and other functions in the papermaking industry, etc., also used in automated warehouses, flexible processing systems, flexible assembly systems (with AGV as an active assembly platform); and as a means of transport at the station, airport, post office .
One of the new trends in the development of international logistics technology, and mobile robots are the core technology and equipment. It is a high-bay storage, operation and handling phase that uses modern logistics technology to coordinate, support, transform and upgrade traditional production lines to achieve point-to-point automatic access. Combine and realize high-tech and equipment such as refinement, flexibility, and informationization, shortening logistics processes, reducing material loss, reducing floor space, and reducing construction investment.
Spot welding robot
The welding robot has the characteristics of stable performance, large working space, fast moving speed and strong load capacity. The welding quality is obviously better than manual welding, which greatly improves the productivity of spot welding.
The spot welding robot is mainly used for the welding work of the whole vehicle. The production process is completed by the major automobile OEMs. With the long-term cooperation relationship with major automobile companies, international industrial robot companies provide various spot welding robot unit products to major automobile manufacturers and enter China in the form of welding robots and complete vehicle production lines, occupying a dominant position in this field.
With the development of the automotive industry, the welding production line requires the integration of welding tongs and the weight is getting larger. The 165 kg spot welding robot is the most commonly used robot in automotive welding. In September 2008, the Robotics Institute developed the first 165 kg spot welding robot in China and successfully applied it to the Chery Automobile Welding Workshop. In September 2009, the second robot with optimization and performance improvement was completed and passed the acceptance test. The overall technical index of the robot has reached the level of similar robots abroad.
Arc welding robot
Arc welding robots are mainly used in the welding production of various types of automotive parts. In this field, international large-scale industrial robot manufacturers mainly provide unit products to complete equipment suppliers. The company is mainly engaged in the production of complete sets of arc welding robots. According to the different needs of various projects, it can produce robot unit products in complete sets of equipment, and can also purchase and form various sets of arc welding robots for large industrial robot enterprises. In this field, the company and the large international industrial robot manufacturers are both competitive and cooperative.
Key technologies include:
(1) Arc welding robot system optimization integration technology: Arc welding robot adopts AC servo drive technology and high precision, high rigidity RV reducer and harmonic reducer, with good low speed stability and high speed dynamic response, and can be realized Maintenance function.
(2) Coordinated control technology: control the coordinated movement of multiple robots and positioners, which can maintain the relative posture of the welding torch and the workpiece to meet the requirements of the welding process, and avoid collision between the welding torch and the workpiece.
(3) Precision weld trajectory tracking technology: Combining the advantages of laser sensor and visual sensor offline working mode, laser sensor is used to realize weld seam tracking during welding, and the flexibility and adaptability of welding robot for welding complex workpieces is improved. The sensor observes the residual deviation of the weld seam offline, obtains the compensation data based on the deviation statistics and corrects the movement track of the robot, and obtains the best welding quality under various working conditions. 