Steel model assembling and welding die

The utility model discloses a steel model installing and welding die which comprises a device base, a movable base and a threaded rod, a movable clamping plate is arranged on the outer surface of the threaded rod, limiting clamping plates are arranged on the two sides of the movable clamping plate, fastening bolts are connected between the limiting clamping plates and the movable clamping plate, and limiting sliding grooves are formed in the outer surface of the device base. The steel model assembling and welding mold is provided with the movable base, the movable base can be driven by the fixed connecting block to adjust the position in the device base, and meanwhile, the movable base can ensure that the position is fixed under the combined action of the fixed connecting block and the limiting nut; the position of a movable clamping plate on the upper surface of the movable base can be adjusted on the upper surface of the movable base under the action of rotation of a threaded rod, and limiting clamping plat