How to implement liquid electrostatic rotary bell spray gun that can also be sprayed with a robotic arm?

The combination of liquid electrostatic rotary bell spray gun and robotic arm (industrial robot) is the mainstream solution in modern automated painting systems, which can achieve high-precision, high-efficiency, and high consistency spraying operations. This integration method is widely used in mass production lines in industries such as automobiles, home appliances, and furniture.

implementation method:

The robotic arm serves as a motion platform: the electrostatic rotary bell spray gun (also known as the rotary bell electrostatic spray gun) is firmly installed on the end effector of the industrial robot. Robots are responsible for accurately controlling the movement trajectory, speed, and posture of spray guns in three-dimensional space, replacing traditional fixed reciprocating machines or manual operations.

Integrated high-voltage electrostatic system:

The rotary bell spray gun needs to be connected to a high-voltage electrostatic generator (usually providing negative high voltage of DC20-80kV). The high-voltage power supply is connected to the robot body through a specialized cable management system (such as a drag chain or winding reel), ensuring that the high-voltage cable can safely and reliably transmit electrical energy during robot movement, avoiding entanglement or wear.

Synchronous control system:

The surface spraying control system (PLC or dedicated controller) of the robot interacts and links with the control unit of the electrostatic spraying system. The system will precisely control based on the shape, position, and spraying process requirements of the workpiece

Robot motion path: Ensure a constant distance between the spray gun and the workpiece surface (usually 25-35cm).

Rotating cup speed: Adjust centrifugal force to control the particle size and spray width shape of paint atomization.

Paint flow rate:

The paint output per unit time is controlled by a precision metering pump.

High voltage: dynamically adjust the voltage according to the distance between the spray gun and the workpiece to ensure spraying effect and safety.

Environment and safety protection: The system will integrate safety functions, such as automatically cutting off the high-voltage power supply when the robot detects abnormal collisions or when the spray gun is too close to the workpiece, to prevent the risk of electric shock or sparks. Meanwhile, the spraying area is usually equipped with ventilation and paint mist collection systems to ensure environmental safety.

Advantage

High flexibility: Robots can easily adapt to complex and irregularly shaped workpieces, achieving fully automated spraying without the need to create dedicated fixed spraying equipment for each new workpiece.

High precision and consistency: The robot has high repeatability in motion, ensuring that the spraying thickness and quality of each workpiece are highly consistent.

High efficiency: It can work continuously 24 hours a day, and with the cooperation of the conveyor chain, it can achieve the automation spraying rhythm of the production line.Material saving: Combined with electrostatic rotating bell spry technology, the utilization rate of coatings can be increased to over 80%, significantly reducing material costs and VOC emissions