Charging type electronic circuit welding device

The utility model discloses a rechargeable electronic circuit welding device, and relates to a welding device. An electric soldering iron body is included; the electric soldering iron body comprises a handheld part and a soldering iron head; a pressure strain gauge is attached to the periphery of the handheld part and electrically connected with a control circuit in the electric soldering iron body. A positioning table is arranged at the joint of the handheld part and the soldering bit, a first magnet is fixedly embedded in the positioning table, the soldering bit is sleeved with a heat preservation cover, a connector is connected to the end, close to the handheld part, of the heat preservation cover in a screwed mode, a second magnet is fixedly embedded in the side, close to the handheld part, of the connector, and the first magnet and the second magnet attract each other. The rechargeable electric soldering iron is convenient to use, safe and reliable, and the use flexibility of the rechargeable electric so