Spray Painting Equipment

Spray painting equipment is a crucial component of modern surface coating processes. Its main task is to evenly spray liquid coatings onto the surface of workpieces, ensuring they achieve the desired appearance, corrosion resistance, and weatherability. The equipment typically consists of a spray gun unit, a paint supply system, a spray booth, a robotic spraying system, leveling and drying equipment, an exhaust gas treatment system, and an intelligent control platform.
With the development of automation technology and environmental regulations, spray painting equipment is gradually upgrading from traditional manual spraying to intelligent robotic spraying systems. Through trajectory planning, visual recognition, and automatic adjustment technologies, these systems ensure stable coating thickness, high surface quality, and significantly reduce human error. They play a vital role in automotive manufacturing, industrial coating, and high-standard surface treatment industries.

▶ Main Types

1. Coating Supply System
The coating supply system is responsible for storing, filtering, metering, and conveying the coating material, ensuring the stability and continuity of the coating during the spraying process.
System functions include:
Coating storage tanks
Filtering device (ensuring clean and impurity-free coating)
Metering pump and pressure control
Automatic color change unit
Viscosity and flow monitoring
This system accurately controls the coating delivery volume, improves coating uniformity, and reduces coating waste.
2. Spray Gun and Nozzle System
The spray gun is the core component of the spraying equipment, responsible for atomizing and spraying the coating. Common types include:
Air spray gun (high fineness, suitable for high-gloss workpieces)
Airless spray gun (suitable for thick anti-corrosion coatings)
Electrostatic spray gun (improves paint transfer efficiency, reduces coating waste)
Nozzle diameter, spray angle, and atomization performance determine the coating effect, and can be quickly switched according to different workpieces.
3. Spraying Robot System
Modern spraying equipment mostly uses robotic automatic spraying units to achieve:
Automatic trajectory planning
Precise spray angle control
Uniform coating thickness management
Application of multiple spray gun combinations
Dynamic spraying linked with a vision system
The robot can automatically adjust the spraying path according to the 3D contour of the workpiece, especially suitable for products with complex shapes or high precision requirements.
4. Spray Booth (Spray Room)
The spray booth provides a closed, clean, and stable environment for the spraying process, preventing external dust from affecting coating quality. The spray booth usually includes:
Air filtration system
Constant temperature and humidity environment
Paint mist filtration and exhaust system
Explosion-proof lighting and safety protection equipment
The airflow design of the spray booth (such as top-inlet and bottom-exhaust) ensures reasonable paint mist flow, preventing paint mist from rebounding and improving spraying quality.
5. Drying and Curing System
After spraying, the coating needs to be cured or leveled at a certain temperature. The system may include:
Hot air circulation oven
Infrared curing equipment
Ultraviolet curing equipment
Low-temperature drying system
Temperature and time are precisely set by the control system to ensure that the gloss, adhesion, and durability of the coating meet the standards.

6. Exhaust Gas Treatment System
VOCs (Volatile Organic Compounds) generated during the spraying process must be treated before being discharged.
Treatment methods include:
Activated carbon adsorption
Photocatalytic oxidation
RTO (Regenerative Thermal Oxidizer)
Spray scrubbing
The environmental protection system ensures compliance with emission standards and improves the factory working environment.
7. Conveying and Workpiece Positioning System
Workpieces are accurately transported into the spray booth and drying area via conveyor tracks, chain lines, overhead conveyor lines, or automatic handling robots, ensuring accurate spraying position and continuous production rhythm.
8. Intelligent Control Platform
The control system realizes the coordinated operation of the entire equipment, including:
Spraying parameter management
Robot path adjustment
Temperature and humidity control
Production data acquisition and analysis
Fault diagnosis
Energy management
Intelligent control makes the production process visual, traceable, and optimizable.

▶ Advantages

1. High Coating Quality
The spraying equipment ensures consistent film thickness, smooth appearance, and uniform gloss, performing exceptionally well, especially in high-demand appearance parts in the automotive and home appliance industries.
2. High Degree of Automation and Intelligence
Robotic spraying, automatic color change, and precise control systems significantly reduce human error and improve stability and efficiency.
3. Energy Saving and Environmental Protection
The system design meets environmental requirements, minimizing paint waste, reducing VOC emissions, and significantly optimizing energy consumption.
4. Strong Process Adaptability
Adaptable to various types of coatings:
Solvent-based coatings
Water-based coatings
UV coatings
Special functional coatings (such as anti-corrosion coatings, high-temperature resistant coatings)
5. Convenient Maintenance
Modular structure facilitates parts replacement, and the intelligent diagnostic system quickly locates faults, reducing downtime.
6. Flexible Configuration
Various configurations are available, including single-station spraying lines, small spray booths, automated assembly lines, or large intelligent spraying workshops, depending on different workpiece specifications and production capacity requirements.

▶ 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.