The invention provides an anti-deformation
welding jig model for manufacturing an arc-shaped plate unit, which comprises a supporting platform, at least one group of first connecting hole sites arranged along the length direction of the supporting platform, and at least one group of second connecting hole sites arranged along the length direction of the supporting platform, the supporting
assembly comprises a supporting plate, the supporting plate is correspondingly connected to one set of first connecting hole positions, the two ends of the supporting plate are correspondingly provided with at least one set of second connecting hole positions, and the side, away from the supporting platform, of the supporting plate is in a concave arc shape; the clamping and fixing mechanism is correspondingly connected to the hole positions of one group of second connecting holes; and the rotating mechanism is located at the bottom of the supporting platform. In the
welding process of the arc-shaped plate unit, good supporting and restraining effects can be achieved, in the using process, the stopping gear can be adjusted according to different positions of plate ribs of the arc-shaped plate unit to be welded, the plate ribs to be welded are in the optimal
welding state as much as possible, and therefore the welding seam forming quality and the welding seam size are guaranteed, and the welding quality is improved.