Supporting assembly of heater for coating processing

The utility model relates to the technical field of coating processing, and discloses a supporting assembly of a heater for coating processing, which comprises a charging box, a box cover is placed atthe top of the charging box, a control box is fixedly mounted at the top of the box cover, and a sealing plug extending into the charging box is fixedly mounted at the bottom of the box cover. The utility model discloses a supporting assembly of a heater for coating processing. A pushing spring, a top plate and a reset spring are arranged; the stable plate, the movable plate and the top plate canbe pushed upwards through the push spring; the box cover and the charging box can be connected more stably; the phenomenon of air leakage after the box cover is connected with the charging box is avoided; by arranging the sealing gasket and the sealing plug, the sealing performance of connection between the box cover and the charging box can be improved, the box cover can be pulled downwards whenthe pushing spring pushes