Rosin storage device for electric welding

The utility model provides a rosin storage device for electric welding, which comprises a storage box main body, the rosin storage device comprises a storage box body and a sealing assembly, the sealing assembly is arranged on the storage box body, the sealing assembly comprises a mounting plate, a sliding groove is formed in the mounting plate, a sliding rod is connected into the sliding groove in a sliding mode, and a sealing plate is fixedly installed at one end of the sliding rod. By pushing the sealing plate, the sealing plate is not clamped with the limiting plate any more, then the sealing plate can be rotated, the sealing plate does not seal the top of the storage box body any more, rosin in the storage box body can be used, after use, the sealing plate is rotated, the sealing plate is extruded by the limiting plate to move, and the rosin in the storage box body can be conveniently stored. And after the rosin storage box moves to the bottom of the limiting plate, the limiting plate and the sealing pla