End cap mounting structure of rotating disc type wide film winding shaft

A rotary disc type wide film winding shaft plug mounting structure comprises a rack, a left round rotary disc and a right round rotary disc are rotatably mounted on the rack, a front winding shaft and a rear winding shaft are mounted between the left round rotary disc and the right round rotary disc, two fixed plugs are mounted on the left round rotary disc, and two movable plugs are mounted on the right round rotary disc. A double-acting plug oil cylinder for driving the movable plug to transversely move is also arranged on the right circular turntable; the fixed plug of the left circular turntable and the movable plug of the right circular turntable are matched in pairs to clamp the winding shaft; each right supporting seat is also provided with a limiting block; a jacking rod capable of transversely moving is correspondingly arranged beside each fixed plug on the left circular turntable, and two horizontal reset springs are correspondingly arranged on the left circular turntable; an ejection oil cylinder i