Combined type jointing platform for manufacturing ultra-long color steel tiles on site

The utility model discloses a combined type jointing platform for manufacturing ultra-long color steel tiles on a site. The combined type jointing platform comprises jointing racks, bases, bearing frames and idler wheels and is characterized in that each jointing rack is composed of upper beams, lower beams, upper girders, lower girders and uprights and formed by combining an upper rectangular structural body and a lower rectangular structural body which are the same, each bearing frame comprises a bearing seat, a bearing and fixing bolts, each jointing rack is provided with four sets of bearing frames, and each set comprises two bearing frames; the two ends of each idler wheel are provided with blind boards, so that a structural body that the idler wheels, the blind boards and rotary shafts are integrated is formed. The combined type jointing platform has the advantages that the problem existing in joint of the ultra-long color steel tiles manufactured on the site can be solved, the ultra-long color steel tiles manufactured on the site are good in quality and high in safety, labor wasted in repeated movement of the ultra-long color steel tiles on the site is reduced, and construction efficiency is improved.