Automatic temperature control welding equipment with replaceable solder tip

The utility model belongs to the technical field of welding equipment, and particularly relates to automatic temperature control welding equipment with a replaceable solder tip, which comprises a connecting seat, a thermostat is arranged on the front side of the connecting seat, a connector is fixedly connected to the upper end of the connecting seat, and the solder tip is inserted into the connector. A fixing block is fixedly connected to the upper end of the connecting base and located on the outer side of the connector, the outer side of the fixing block is rotationally sleeved with a mounting base, a protruding block is fixedly connected to the outer side of the fixing block, and a clamping groove is formed in the protruding block. Through the arrangement of components such as the mounting seat and the limiting sleeve, the limiting sleeve and the soldering bit can generate threaded motion by rotating the limiting sleeve, so that the limiting sleeve plays a role in limiting the soldering bit, the soldering