Steel structure manufacturing and machining tool for house splicing and using method of thereof

The invention discloses a steel structure manufacturing and machining tool for house splicing and a using method of thereof. The steel structure manufacturing and machining tool comprises a pushing mechanism, a conveying and buckling mechanism, a stacking mechanism and a material arranging mechanism; the pushing mechanism comprises a fixed table; a turning plate is arranged at the top end of the fixed table; a first air cylinder is arranged on one side of the turning plate; a first pushing plate is fixed to an output end of the first air cylinder; gears are fixed to the bottom of the end, away from the first air cylinder, of the turning plate; a connecting rod is fixed between the gears; a first bearing is arranged on a rod body of the connecting rod; the first bearing is fixed to the fixed table; a sliding block is arranged at the bottom of each gear; a rack is fixed to the top of each sliding block; the racks are connected with the gears in a meshed mode; a limiting groove is arranged at the side, close to