Impurity cleaning device of melting pot for preparing laughing gas

The utility model provides a sundry cleaning device of a melting pot for preparing laughing gas, and belongs to the technical field of machinery. The problem that in the prior art, stability is poor is solved. The impurity cleaning device of the melting pot for preparing the laughing gas comprises a positioning rod, a filtering plate, an elastic positioning assembly and a driving piece, the lowerend of the positioning rod is connected to the bottom in the body; the inner end of the filter plate is hinged to the side portion of the positioning rod, the elastic positioning assembly is located between the positioning rod and the filter plate and enables the filter plate to be kept horizontal under the action of the elastic positioning assembly, and the driving piece is fixedly connected to the positioning rod and can drive the filter plate to swing downwards around the hinged position of the driving piece. The impurity cleaning device of the melting pot for preparing the laughing gas ishigh in stability. 本实用新型提供