Heat sealing device and method for exhaust cover of storage battery

The invention provides a storage battery exhaust cover heat sealing device and method, and belongs to the technical field of storage batteries, the storage battery exhaust cover heat sealing device comprises a main support, a heat sealing positioning frame, a height positioning mechanism and a battery positioning mechanism. A conveying track is arranged on the main support, and a heat sealing operation area is arranged on the conveying track. The heat-sealing positioning frame is installed on the conveying track through a lifting mechanism and located over the heat-sealing operation area, a short edge positioning mechanism is arranged on the inner side of the heat-sealing positioning frame in the length direction, and a long edge positioning mechanism is arranged on the inner side of the heat-sealing positioning frame in the width direction; the height positioning mechanism is arranged on the conveying track and located in the heat sealing operation area. And the battery positioning mechanism is arranged on t