The coating assembly line is suitable for the coating and spraying treatment of workpiece surfaces. It is mainly used for the coating of single or small batch workpieces, and forms transportation operations with transportation machinery such as suspension conveyors, electric track cars, and ground conveyors. Its seven major components mainly include pre-treatment equipment, coating equipment, powder spraying system, oven drying, heat source system, electrical control system, suspension conveyor chain, etc.

预处理设备

Pretreatment equipment

喷淋式多工位前处理装置是表面处理的常用设备。其原理是通过机械冲刷加速化学反应，完成脱脂、磷化、水洗等工艺过程。钢铁零件喷涂预处理的典型工艺是预脱脂、脱脂、水洗、表面调理和磷化。抛丸机也可用于预处理，适用于结构简单、腐蚀严重、无油或少油、无水污染的钢件。

The spray type multi-station pre-treatment device is a commonly used equipment for surface treatment. The principle is to accelerate chemical reactions through mechanical flushing, completing processes such as degreasing, phosphating, and water washing. The typical processes for spray pretreatment of steel parts are pre degreasing, degreasing, water washing, surface conditioning, and phosphating. The shot blasting machine can also be used for pre-treatment, suitable for steel parts with simple structure, severe corrosion, no or little oil, and no water pollution.

喷漆设备

Painting equipment

如喷油室和水幕喷漆室，可广泛用于自行车、汽车板簧和大型装载机的表面涂装流水线。

Such as oil spray chambers and water curtain spray chambers, they can be widely used in surface coating assembly lines for bicycles, automotive leaf springs, and large loaders.

粉末喷涂系统

Powder spraying system

粉末喷涂中的小型旋风过滤回收装置是一种先进的快速变色粉末回收装置。喷粉系统关键部件推荐进口产品，喷粉室、电动机械升降机等部件全部国产化。

The small cyclone filtration and recovery device in powder spraying is an advanced rapid discoloration powder recovery device. The key components of the powder spraying system are recommended to be imported products, and all components such as the powder spraying room and electric mechanical elevator are domestically produced.

面包师

baker

它是烘箱涂布生产线中的重要设备之一，其温度均匀性是保证涂布质量的重要指标。烘箱的加热方式有辐射、热风循环和辐射热风循环。按生产程序可分为单室和直通式，设备形式有直通式和桥式。循环式热风炉具有保温、均匀性好、热损失低等优点。通过实验，烘箱内温差小于3oC，可达到先进国家同类产品的性能指标。

It is one of the important equipment in the oven coating production line, and its temperature uniformity is an important indicator to ensure coating quality. The heating methods of the oven include radiation, hot air circulation, and radiation hot air circulation. According to production procedures, it can be divided into single room and through type, with equipment forms including through type and bridge type. The circulating hot air stove has advantages such as insulation, good uniformity, and low heat loss. Through experiments, the temperature difference inside the oven is less than 3oC, which can meet the performance indicators of similar products in advanced countries.

热源系统

Heat source system

热风循环是一种应用广泛的加热方式，利用对流传导原理加热烘箱，使工件干燥固化。根据用户的具体情况，可以选择电、蒸汽、燃气或燃料作为热源。热源可根据烤箱条件确定，放置在顶部、底部和侧面。

Hot air circulation is a widely used heating method that uses the principle of convective conduction to heat the oven and dry and solidify the workpiece. According to the specific situation of the user, electricity, steam, gas, or fuel can be selected as the heat source. The heat source can be determined based on the oven conditions and placed at the top, bottom, and sides.

电子控制系统

electronic control system 

镀膜和涂装流水线电控有集中控制和单排控制。集中控制可以用可编程逻辑控制器(PLC)控制上位机，自动控制各个过程，并根据编制的控制程序进行数据的采集、监视和报警。单线控制是涂装生产线中常见的控制方式。各工序单线控制，电控箱(柜)设置在设备附近，成本低，操作简单，维护方便。

The electric control of the coating and coating assembly line has centralized control and single row control. Centralized control can use programmable logic controllers (PLCs) to control the upper computer, automatically control various processes, and collect, monitor, and alarm data according to the programmed control program. Single line control is a common control method in painting production lines. Single line control for each process, with electronic control boxes (cabinets) located near the equipment, low cost, simple operation, and convenient maintenance.

悬挂输送链

Suspension conveyor chain

悬挂输送机是涂装流水线的工业流水线和输送系统。产品悬挂输送机适用于L=10-14M的仓储货架和异型路灯用合金钢管涂装线。工件吊装在专用吊架上(承重500-600KG)，进出道路畅通。道岔按作业指导书由电气控制开闭，以满足各加工工位工件自动输送、强冷间和装车区平行堆垛冷却的要求，强冷区设置吊架识别和牵引报警停车装置。

The suspension conveyor is an industrial assembly line and conveying system for the coating assembly line. The product suspension conveyor is suitable for L=10-14M storage shelves and alloy steel pipe coating lines for special-shaped street lights. The workpiece is lifted on a dedicated hanger (with a load capacity of 500-600KG), and the access road is unobstructed. The switch is electrically controlled to open and close according to the operation instructions, in order to meet the requirements of automatic conveying of workpieces at each processing station, parallel stacking and cooling in the strong cooling room and loading area. The strong cooling area is equipped with hanger recognition and traction alarm parking devices.

涂装流水线的组件由以上七部分组成。它的设备工件结构简单，操作简单，管理维护都很好，速度更快。

The components of the painting assembly line are composed of the above seven parts. Its equipment has a simple workpiece structure, simple operation, good management and maintenance, and is faster.

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