Assembling tool for pre-embedded through-wall component

The utility model discloses an assembly tool of an embedded type through-wall component, and relates to the technical field of through-wall component assembly tools, the assembly tool comprises a base, the base is used for placing an embedded part, sliding rails are arranged on the two sides of the base, a mounting seat is connected to the sliding rails in a sliding mode, the mounting seat can be fixed to the sliding rails through a self-locking mechanism, and the self-locking mechanism is arranged on the mounting seat. A supporting plate is fixedly mounted on the mounting seat, a lead screw is in threaded connection with the supporting plate, an ejector block is fixedly mounted at one end of the lead screw, a clamping position is arranged on the rotating stroke of the lead screw, and the ejector block is clamped outside the embedded part at the clamping position. The utility model has the beneficial effects that the top block is propped against the central position of the steel plate, so that the steel plate