Full-automatic coating device for graphite workpiece surface protective layer: Fid-Bau Portal

Full-automatic coating device for graphite workpiece surface protective layer

OU MINGQIAO

The invention relates to the technical field of anti-oxidation graphite material coating methods, in particular to a full-automatic coating device for a graphite workpiece surface protective layer, which comprises a reaction kettle, a graphitization tank, a stirring mechanism, a coating platform, an exhaust mechanism, a driving mechanism and a stirring and cleaning mechanism. Monomer silicon powder and aluminum oxide powder in the graphitization tank react to form silicon oxide gas, stirring blades in the exhaust mechanism convey the silicon oxide gas to the coating platform to coat a graphiteworkpiece on the platform to form a silicon carbide coating, the graphite workpiece is rotated around the axis in the whole reaction process to achieve uniform coating by the stirring and cleaning mechanism in cooperation with the descending of the platform, the stirring and cleaning mechanism can continuously clean the surface layer of the graphite workpiece in the coating process to achieve thecleanness and adhesion strength of the surface of the coating, and the technical problem that an existing graphite workpiece is uneven in coating is solved.

本发明涉及抗氧化石墨材料涂层方法技术领域，具体为一种石墨工件表层保护层全自动涂覆装置，其包括反应釜、石墨化罐、搅拌机构、涂层平台、排气机构、驱动机构及拨动清扫机构，通过石墨化罐中的单质硅粉末与氧化铝粉末通过反应形成氧化硅气体，并利用排气机构中的搅拌桨叶将氧化硅气体输送至涂层平台对平台上的石墨工件进行涂层，形成碳化硅涂层，配合平台的下降，利用拨动清扫机构，使的石墨工件在整个反应过程中，绕轴向进行旋转，达到均匀涂层，并且拨动清扫机构还会在涂层过程中，不断对石墨工件表层进行清扫，达到涂层表面的清洁与附着强度，解决了现有石墨工件涂层不均匀的技术问题。

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