The water-based paint spraying line is a kind of equipment system specially used for spraying water-based paint on the surfaces of various objects. The following is its detailed introduction:

Working Principle

• Spraying Principle: The water-based paint spraying line atomizes the water-based paint through spray guns and then evenly sprays the atomized paint particles onto the surface of workpieces. During the spraying process, the spray guns maintain a certain distance and angle from the workpieces to ensure that the paint can evenly cover the surface of the workpieces.

• Drying Principle: After the spraying is completed, the workpieces enter the drying area, and the water-based paint on the surface of the workpieces is dried and cured through natural air drying, heating and drying, ultraviolet curing and other methods to form a firm coating.

Components

• Spraying Booth: This is the main area for spraying operations. It usually adopts a closed structure to prevent paint splashing and environmental pollution. The spraying booth is equipped with a ventilation system, which can timely discharge the paint mist and harmful gases generated during the spraying process and keep the indoor air clean.

• Spray Guns: Spray guns are the key components of the spraying line. Their function is to atomize the water-based paint and spray it onto the surface of workpieces. The types and performances of spray guns directly affect the quality and efficiency of spraying. Common spray guns include air spray guns, airless spray guns and electrostatic spray guns, etc.

• Paint Supply System: The paint supply system is responsible for transporting the water-based paint from the paint storage tank to the spray guns. It includes components such as paint pumps, filters, pipes and valves, which can accurately control the flow and pressure of the paint supply to ensure that the spray guns can obtain a stable paint supply.

• Drying Equipment: The drying equipment is used to accelerate the drying and curing process of the water-based paint. According to different drying methods, the drying equipment can be divided into hot air drying ovens, ultraviolet curing equipment, infrared drying equipment, etc. These drying equipment can provide appropriate drying conditions according to the characteristics of the water-based paint and the requirements of workpieces, shorten the paint drying time and improve production efficiency.

• Conveying Devices: The conveying devices are used to transport workpieces to various stations of the spraying line to realize automated spraying production. Common conveying devices include hanging conveyor chains, roller conveyor lines, belt conveyor lines, etc. They can accurately control the conveying speed and position of workpieces according to the requirements of the production process to ensure the continuity and stability of the spraying process.

Advantages

• Good Environmental Protection Performance: Water-based paint uses water as a diluent and contains little or no organic solvents. Therefore, less harmful gases are volatilized during the spraying process, causing less harm to the environment and human health.

• High Safety: Water-based paint is not flammable or explosive, reducing the safety risks in the production process.

• Excellent Paint Performance: With the continuous progress of technology, the performance of water-based paint has been greatly improved. Its adhesion, wear resistance, corrosion resistance and other aspects are equivalent to those of traditional solvent-based paint, and it can meet the needs of various industrial and civilian fields.

• Convenient Cleaning: Water-based paint can be cleaned with water. There is no need to use organic solvents when cleaning spray guns and equipment, reducing the use and waste of organic solvents and lowering production costs.

Application Fields

• Automobile Manufacturing and Maintenance: The water-based paint spraying line is widely used in the spraying process of automobile bodies and parts, and can provide automobiles with beautiful and durable coatings.

• Furniture Manufacturing: The surface coating of furniture also widely adopts the water-based paint spraying line, which can provide furniture with rich colors and good protective properties.

• Electronic Products: The shell spraying of mobile phones, computers and other electronic products often adopts the water-based paint spraying line to meet environmental protection and appearance requirements.

• Building Decoration: The water-based paint spraying line also plays an important role in the surface coating of metal products such as building doors, windows and railings, as well as the decorative spraying of walls and ceilings.

China Hengjiu Jinye is a manufacturer specializing in the development, design and planning of water-based, oil-based and powder coating lines!