纸基蜂窝零件固持中压紧机构和铁粉填料装置设计

Design of Compacting and Iron Powder Filling Device in Paper Honeycomb Parts Clamping System

基于磁场和摩擦吸附原理的纸基蜂窝零件在固持过程中,利用铁粉作为介质传递摩擦力对蜂窝零件进行固持,蜂窝零件下表面与固持平台上表面是否接触,铁粉填充高度和区域是否满足设计计算要求,都会对最终的固持效果产生明显的影响。为了得到良好的固持效果,研制了一套基于分布式弹簧的蜂窝材料压紧装置和基于皮带输送的铁粉填充系统。试验表明:预压紧装置能够实现蜂窝芯与蜂窝固持平台的完好接触,基于皮带输送的铁粉填充装置能够实现厚度可控制和区域的均匀完整填料。

In a paper honeycomb fixing process, iron powder is used as a medium to transfer the friction force to fix the hon- eycomb part based on the principle of magnetic field and friction force. Three factors affect the final fixing result; the contact condition between the surface of the paper honeycomb and the platform, the filling height of the iron powder, and the filling area uniformity of the iron powder. In order to obtain the best fixture result, a compacting device based on distributed elastic springs and a filling device based on belt transmission are designed. Experiment shows that using the above devices will en- able the honeycomb and platform to maintain close contact, and the height and area uniformity of the filling iron powder can meet the design requirements.