Gantry and robot collaboration system: an efficient combination of industrial manufacturing

In the field of modern industrial manufacturing, in order to meet the growing needs for production precision, efficiency and automation, various types of advanced equipment are constantly being introduced. The combined mode of collaborative use of gantry and robots, with its powerful functions and wide applicability, is gradually becoming a key choice for many enterprises to improve their competitiveness.

 

1. Structure and design

Gantry structure: The gantry frame is usually made of high-strength steel and undergoes precision processing and strict quality inspection to ensure its excellent rigidity and stability. The beams and columns of large gantry are thick in size and can carry huge weight to ensure that they do not deform during high-speed operation and high-precision operations. Its span and height can be customized according to actual production needs, ranging from a compact gantry suitable for processing small parts to an extremely large gantry suitable for large-scale mechanical assembly. It can be designed flexibly. For example, in automobile parts processing, the gantry span may be 2 to 5 meters and the height to be 1 to 3 meters. In large industries such as aircraft manufacturing, the gantry span may reach tens of meters and the height will increase accordingly.

Robot configuration: There are various types of robots, including articulated robots, SCARA robots, etc. These robots have high-precision motion control capabilities and flexible operation performance. Articulated robots have multiple rotatable joints and can achieve complex spatial movements and are suitable for precision operations such as welding and assembly. SCARA robots can move quickly and with high precision in a plane and are often used for transportation, sorting and other tasks. The robot is installed on the sliding table of the gantry or cooperates with the gantry through a specific transfer device to ensure stability and accuracy when the two work together.

 

2. Advantages of collaborative work

Expand the work scope: The X, Y, and Z-axis motion of the gantry system, combined with the multi-axis motion of the robot itself, greatly expands the overall work space. The original limited working radius of the robot is extended through the movement of the gantry, allowing it to operate workpieces in a larger area. For example, an articulated robot with an original working radius of 1.5 meters, after being installed on a gantry, can operate within a range of tens of square meters or even larger with the help of the movement of the gantry, meeting the needs of multi-station processing of large workpieces or batch processing of multiple workpieces.

Improve accuracy and efficiency: The high-precision linear guide rails and transmission devices of the gantry system ensure the positioning accuracy of the robot during movement. During the processing process, the gantry is responsible for moving the robot to the designated position quickly and accurately, while the robot focuses on completing precise operation tasks, such as seam tracking during welding and parts docking during assembly. The synergy between the two reduces manual intervention and operation time, improves production efficiency, while ensuring processing accuracy, and product consistency and quality are significantly improved.

 

3. Application fields

Automobile manufacturing industry: In the automobile body welding production line, the gantry is equipped with a welding robot to weld various parts of the body. The long span and high load capacity of the gantry enable the robot to cover the entire car body and complete complex welding work from the chassis to the body frame. In the auto parts assembly process, robots, with the assistance of gantry, can quickly and accurately grab and install various parts, such as engines, seats, etc., improving assembly efficiency and quality.

Mechanical processing field: For the processing of large mechanical parts, such as machine tool beds, large molds, etc., gantry and processing robots work together. The gantry moves the robot to different processing positions of the parts. The robot uses various processing tools, such as milling cutters, grinding tools, etc., to precisely process the parts to achieve efficient milling, grinding and other processes to meet the high-precision and high-complexity processing requirements of mechanical parts.

Logistics and warehousing industry: In automated three-dimensional warehouses, gantry cooperates with handling robots to achieve rapid storage and retrieval of goods. The gantry moves the robot to the designated shelf location, and the robot accurately grabs and places the goods, improving the utilization of storage space and cargo turnover efficiency, and realizing the intelligence and automation of logistics warehousing.

The three-axis gantry, welding gantry, and bridge gantry welding robot system consists of a base, rack and pinion, gantry, welding robot, servo driver, servo motor, pneumatic valve, gun cleaning station, etc. The welding robot is a six-degree-of-freedom industrial welding robot with high welding accuracy but a small process range. The base, gantry, servo motor and track move the welding robot to a specific work area.