自动喷粉房

自动喷粉房是粉体涂装生产线的核心作业单元，是实现工件自动化、密闭化粉末喷涂的专用设备，广泛应用于金属工件（如钣金件、汽车零部件、家电外壳）的表面涂装，核心功能是为喷粉作业提供洁净、可控的环境，同时实现粉末的高效回收与循环利用，保障喷涂质量与环保达标。

从设备组成来看，自动喷粉房主要包含四大核心模块：一是密闭作业腔，采用不锈钢或耐粉末腐蚀的板材制成，腔体内壁光滑且带有负压设计（负压值通常 - 50~-100Pa），可防止粉末外溢污染环境，同时引导粉末向回收系统流动；二是自动化喷涂装置，可根据工件类型搭配升降往复机（适用于规则中小型工件，实现上下 + 前后往复喷涂，喷涂速度 0.5~3m/s 可调）或机器人系统（多为 6 轴喷涂机器人，定位精度 ±0.1mm，适配复杂曲面、多面工件，如汽车轮毂、异形结构件），且配备自动喷枪（通常 3~8 把，间距可按需调整），通过高压静电发生器（电压 60~100kV）使粉末带负电，精准吸附于接地工件表面；三是粉末回收系统，分为一级回收（通过旋风分离器分离大颗粒粉末，回收率约 90%）和二级回收（通过滤芯过滤细微粉末，总回收率达 95% 以上），回收的粉末可重新筛选后再次使用，降低原料浪费；四是辅助控制系统，包含温度（控制在 15~30℃，避免粉末结块）、湿度（相对湿度 40%~60%，保障静电稳定性）及喷涂参数（喷枪距离、出粉量）的自动监控模块，可实时调整并记录数据，确保喷涂一致性。

其核心优势在于：相比人工喷粉房，自动化喷涂装置使涂层厚度均匀性误差≤3μm，良品率提升至 98% 以上；密闭腔与回收系统结合，实现无组织排放≤10mg/m³，符合国家环保标准；且单房可适配多规格工件，通过快速更换夹具与调整喷涂参数，切换产品仅需 10~30 分钟，灵活性高。

The Automatic Powder Spray Booth is the core operation unit of the powder coating production line, a dedicated equipment for realizing automated and enclosed powder spraying of workpieces. It is widely used in the surface coating of metal workpieces (such as sheet metal parts, auto parts, home appliance casings). Its core function is to provide a clean and controllable environment for powder spraying operations, while achieving efficient recovery and recycling of powder, ensuring coating quality and environmental protection compliance.

In terms of equipment composition, the Automatic Powder Spray Booth mainly includes four core modules: First, the enclosed operation chamber, made of stainless steel or powder-corrosion-resistant plates. The inner wall of the chamber is smooth and has a negative pressure design (negative pressure value usually -50~-100Pa), which can prevent powder from overflowing and polluting the environment, and guide the powder to flow to the recovery system. Second, the automated spraying device, which can be matched with lifting reciprocators (suitable for regular small and medium-sized workpieces, realizing up-down + front-back reciprocating spraying, with adjustable spraying speed of 0.5~3m/s) or robotic systems (mostly 6-axis spraying robots, with positioning accuracy of ±0.1mm, suitable for complex curved surfaces and multi-sided workpieces, such as auto wheels and special-shaped structural parts) according to workpiece types. It is also equipped with automatic spray guns (usually 3~8, with adjustable spacing as needed). Through a high-voltage electrostatic generator (voltage 60~100kV), the powder is negatively charged and accurately adsorbed on the surface of the grounded workpiece. Third, the powder recovery system, which is divided into primary recovery (separating large particle powder through a cyclone separator, with a recovery rate of about 90%) and secondary recovery (filtering fine powder through a filter element, with a total recovery rate of over 95%). The recovered powder can be re-screened and reused, reducing raw material waste. Fourth, the auxiliary control system, including automatic monitoring modules for temperature (controlled at 15~30℃ to avoid powder caking), humidity (relative humidity 40%~60% to ensure electrostatic stability) and spraying parameters (spray gun distance, powder output). It can adjust and record data in real time to ensure spraying consistency.

Its core advantages are: Compared with manual powder spray booths, the automated spraying device reduces the coating thickness uniformity error to ≤3μm and increases the yield rate to over 98%; the combination of the enclosed chamber and the recovery system realizes unorganized emission ≤10mg/m³, meeting national environmental protection standards; and a single booth can be adapted to workpieces of multiple specifications. By quickly replacing fixtures and adjusting spraying parameters, product switching only takes 10~30 minutes, with high flexibility.