Painting Conveyor Line

The core function of the Painting Conveyor Line is to stably transport workpieces to the spraying station through a continuous conveying method, allowing the robotic or manual spraying system to accurately control the spraying path, speed, and angle, thereby achieving uniform paint film quality. This production line is driven by automation, enabling efficient cycle time management, synchronized control of spraying stations, and environmental stability adjustment. It can also be configured with different conveying structures according to product process requirements, such as overhead conveyors, ground rail conveyors, chain conveyors, and reciprocating conveyors.
The entire line supports various spraying processes, including solvent-based, water-based, and powder coatings, and can be integrated with automatic color change systems, exhaust gas treatment systems, drying and curing equipment, and vision inspection systems to form a high-quality coating production system.

▶ Main Types

1. Conveying System
The conveying device is the core structure of the spray coating line. Depending on the size and shape of the workpiece, it can utilize: suspended conveyor lines, chain ground rail lines, skid conveyors, pallet conveyors, or automated guided vehicle systems. The conveying system has a speed adjustment function and can be synchronized with the spraying cycle, enabling continuous spraying or fixed-point stop spraying modes. It features high positioning accuracy and stable operation, suitable for conveying workpieces ranging from small and light parts to large structural components.
2. Spraying Station
The spraying station consists of spray guns, a robotic spraying system, a spray booth, and spray control equipment. The spray booth has capabilities for constant temperature, humidity, and cleanliness control to ensure coating uniformity and surface quality. The robotic system ensures consistent film thickness through trajectory planning, while manual stations can be used for touch-up spraying or handling complex areas. The spraying station can also be equipped with electrostatic spraying technology to improve paint mist adsorption rate and paint utilization.
3. Spray Booth and Dust Removal and Purification System
The spray booth provides a closed spraying environment, equipped with an air filtration system, lighting, explosion-proof structure, and exhaust and mist removal system. Clean air is supplied from the top to ensure a dust-free and clean spraying environment, while dry or wet paint mist treatment methods are used to ensure clean and stable production.
4. Automatic Color Change and Paint Supply System
The paint supply system includes paint pumps, filters, paint pipelines, viscosity controllers, and flow management devices. The automatic color change system can quickly switch colors, reducing downtime and paint waste, suitable for multi-variety, small-batch production scenarios.
5. Leveling and Drying/Curing System
After spraying, the workpiece passes through the leveling zone, allowing the paint to spread naturally and improve surface flatness. The drying system includes a hot air oven, infrared drying tunnel, or UV curing device, controlling temperature and time according to process requirements to ensure uniform coating curing without bubbles or pinholes.
6. Cooling and Unloading Area
After curing, the workpiece passes through the cooling zone to reduce the temperature to a safe range before entering the unloading area for manual or mechanical unloading. The cooling process is controlled to ensure no damage to the paint surface.

7. Control and Monitoring System
The entire production line is centrally managed by an intelligent control platform, including adjustments of parameters such as conveying speed, spraying cycle, temperature and humidity, drying tunnel temperature, and air velocity. The monitoring system can record spraying data in real time, supporting production traceability, alarm prompts, remote monitoring, and process optimization, thereby improving production stability and efficiency.
8. Safety and Environmental Protection System
The spraying conveyor line is equipped with an explosion-proof system, leakage protection, spray booth door interlock, and VOC exhaust gas treatment system (such as activated carbon adsorption and RTO treatment) to ensure compliance with safety and environmental standards.

▶ Advantages

1. High Coating Consistency
Stable conveying speed, precise positioning, and automatic spraying technology significantly improve coating thickness consistency and surface quality.
2. High Degree of Automation
The entire process, including conveying, spraying, leveling, and curing, is fully automated, reducing manual intervention and improving production efficiency.
3. Significantly Improved Production Efficiency
The continuous conveying method ensures seamless transitions between workstations, maximizing production cycle time and increasing capacity.
4. Strong Scalability
The system can be modularly configured according to product size, output, and process requirements, making it suitable for various industrial scenarios.
5. Energy Saving and Environmental Protection
High paint utilization rate, a paint mist treatment system to reduce emissions, and an optimized drying system reduce overall operating costs.
6. Compatible with Multiple Coating Processes
Compatible with solvent-based, water-based, powder coatings, and special functional coatings, meeting the needs of different industries.
7. Convenient Maintenance
The modular design of the system facilitates maintenance, and intelligent monitoring functions provide early warning of equipment failures, reducing downtime.

▶ 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.