External hot air circulation vacuum drying machine

The utility model relates to the technical field of vacuum drying, in particular to an external hot air circulation vacuum dryer which comprises a base. The vacuum drying cavity is arranged on the base; the hot air drying mechanism is arranged at the lower end of the base and communicated with the vacuum drying cavity through an air outlet, and the equipment has the advantages that the equipment is small in size and convenient to operate; beats are short, the drying effect is good, and the automation degree is high; the method is applied to various working conditions such as an automatic generation line and a manual assembly line; mechanical and air cylinder driving is completely adopted, the sealing performance is improved, meanwhile, the efficiency of equipment is improved, and time is saved. 本实用新型涉及真空干燥技术领域，具体来说是一种外部热风循环真空干燥机，包括底座；真空干燥腔，所述的真空干燥腔设置于底座上；热风干燥机构，所述的热风干燥机构设置于底座下端，通过出风口连通所述真空干燥腔，其优点在于：设备体积小，操作方便；节拍短，干燥效果好，自动化程度高；应用于多种工况，如自动生成线以及人工流水线；完全采用机械+气缸驱动，提高密封性，同时提高设备的效率，节省时间。