Size-adjustable prefabricated concrete wallboard steel formwork

The utility model relates to the field of formworks or similar components, in particular to a prefabricated concrete wallboard steel formwork with the adjustable size. The prefabricated concrete wallboard steel formwork with the adjustable size comprises a transverse formwork body (1) and a longitudinal formwork body (2) which are perpendicular to each other, and is characterized by further comprising a lead screw (3), a fixing nut (5), a first clamping strip (6), a second clamping strip (7), a first meshing plate (8), a second meshing plate (9), a first clamping plate (10), a second clamping plate (11), a first clamping groove (12) and a second clamping groove (13); at least two lead screws (3) are sequentially arranged on the longitudinal formwork (2), a first occlusion plate (8) and a second occlusion plate (9) are arranged on the outer surfaces of the side ends of the first clamping strip (6) and the second clamping strip (7) respectively, and a first clamping plate (10) and a second clamping plate (11) a