Painting Production Line

The spray coating production line achieves a continuous and stable coating process through the high degree of coordination between automated conveying and spraying stations. The production line can not only meet the spraying needs of traditional solvent-based coatings but is also compatible with water-based coatings, powder coatings, and functional coatings. The entire line can be modularly configured according to process requirements, including pre-treatment, spraying, leveling, drying, cooling, and unloading, realizing integrated continuous operation from workpiece loading to unloading. Through an intelligent control system, conveying speed, spraying cycle, temperature and humidity, and curing process parameters can be monitored, improving coating consistency and production efficiency.

▶ Main Types

1. Conveying System
The conveying system is the foundation of the production line, often employing suspended conveyor lines, chain conveyor lines, or rail conveyor systems, which can be flexibly adjusted according to the size and weight of the workpieces. The system features speed adjustment functionality and is synchronized with the spraying station, ensuring that the workpieces maintain a stable position during the spraying process.
2. Spraying Station
The spraying station consists of spray guns or spraying robots, a spray booth, and a spray control system. Spraying robots can perform path planning and speed control to achieve a uniform coating; manual spraying stations can be used for complex areas or touch-up work. The spraying station supports electrostatic spraying technology, improving paint adhesion and utilization.
3. Spray Booth and Purification System
The spray booth provides a closed spraying environment for the workpieces, equipped with an air filtration system, lighting, explosion-proof devices, and a paint mist exhaust system. Airflow ensures uniform paint mist exhaust, preventing contamination of the workpiece surface and improving production safety and environmental cleanliness.
4. Paint Supply and Automatic Color Change System
The paint supply system includes paint pumps, filters, pipelines, and flow control devices, ensuring stable paint delivery. The automatic color change system can quickly switch paint colors, reducing downtime and suitable for multi-variety, small-batch production needs.
5. Leveling and Drying/Curing System
After spraying, the workpieces pass through a leveling zone, allowing the paint to spread naturally for a smoother surface. The drying system uses a hot air oven, infrared drying tunnel, or UV curing equipment, controlling temperature and time according to process requirements to ensure uniform curing of the coating without bubbles or pinholes.
6. Cooling and Unloading Area
After curing, the workpieces pass through a cooling zone to reduce the temperature to a safe range, and then are unloaded automatically or manually. The cooling process is controlled to ensure the paint surface remains intact and undamaged.
7. Control and Monitoring System
The entire line is centrally managed by an intelligent control platform, which monitors conveying speed, spraying cycle, temperature, humidity, and drying parameters in real time. The system can record production data, generate reports, and enable production traceability and process optimization.

8. Safety and Environmental Protection Systems
The production line is equipped with explosion-proof devices, leakage protection, emergency stop buttons, and VOC exhaust gas treatment systems, such as activated carbon adsorption or RTO technology, to ensure compliance with safety and environmental standards.

▶ Advantages

High coating quality: Achieves a uniform, smooth, and strongly adhesive coating through precise spraying and leveling and curing processes.
High degree of automation: The entire process of conveying, spraying, drying, and cooling is automated, reducing manual intervention and improving efficiency.
Significant production efficiency: Continuous operation and synchronized workstations increase capacity and production speed.
Energy-saving and environmentally friendly: High paint utilization rate, a paint mist treatment system reduces emissions, and drying energy consumption is optimized.
Wide range of applications: Compatible with various coating types and workpiece sizes, suitable for automotive, home appliances, metal, and plastic products.
Convenient maintenance: Modular design facilitates maintenance, and an intelligent monitoring system provides early warning of equipment failures.
Data traceability: The control system records production data, which can be used for quality management and process optimization.

▶ Application Industry

▶ FAQ

Can the integrated assembly line be quickly adapted to accommodate different products?
Yes, the integrated assembly line supports flexible design, enabling rapid changeover of workstation fixtures, program control, and process parameters. By changing pallets, adjusting workstation equipment, and calling different programs, different product models can be put into production, making it particularly suitable for manufacturing multiple product sizes on the same line.

   
Can we integrate automated inspection or marking capabilities into the assembly line?
Of course. The integrated assembly line supports embedded in-line inspection methods such as vision inspection, torque testing, and airtightness testing. Process modules such as automatic labeling and laser coding can also be added, automating the entire process from assembly to inspection and marking, improving product consistency and traceability.

   
If production capacity increases in the future, can the assembly line be upgraded and expanded?
Extension is fully supported. The modular design of the assembly line supports adding workstations, replacing conveyor systems, or upgrading to robotic automation. The system control platform includes reserved communication ports for easy integration with new equipment, MES systems, and warehousing systems, enabling on-demand expansion and intelligent upgrades.

Jiangsu Jiheng Technology Co., Ltd. is located in Yancheng City, Jiangsu Province, a pearl on the Yellow Sea coast and home to the world's rare elk and red-crowned crane. Yancheng is crisscrossed by the Coastal Expressway, the Ningjingyan Expressway, the Xuhuaiyan Expressway, and the Xinchang Railway, which runs north and south. The city also boasts an international airport with over ten direct flights to South Korea, Thailand, Taiwan, and other countries, offering convenient transportation and advanced communications.

The company specializes in the research, development, manufacturing, and installation of coating and environmental protection equipment.

We provide one-stop services from concept development, design, manufacturing, installation, and commissioning to ensure product quality. We also have an experienced product design team to ensure the technological sophistication of our entire product design. We have already delivered high-quality projects for multiple manufacturers.

Adhering to the business philosophy of prioritizing technology, optimizing management, and keeping pace with the times, we are dedicated to providing customers with coating equipment, mobile spray painting, drying equipment, dust removal equipment, ventilation equipment, and complete coating production lines. Customer requirements are our driving force for continuous improvement. We will continue to strive for technological leadership, superior quality, and integrity, striving to provide our customers with high-quality, environmentally friendly products.
Jiangsu Jiheng Technology Co., Ltd. sincerely hopes to cooperate with friends from all walks of life, work hand in hand, and create a brilliant future together.