Demolding device applied to anti-bending device for submarine cable junction box

The utility model relates to the technical field of tool clamps, and provides a demolding device of an anti-bending device applied to a submarine cable junction box, which comprises a fixed sleeve, a propelling assembly and a jacking assembly, one end of the fixed sleeve is connected with the mold, the pushing assembly penetrates through the fixed sleeve and is movably arranged at the second end of the fixed sleeve, the jacking assembly is arranged at the end, close to the mold, of the pushing assembly, and the end, away from the pushing assembly, of the jacking assembly abuts against the middle core shaft piece; and when the pushing assembly is pushed towards the middle core shaft piece, the pushing assembly is used for ejecting the middle core shaft piece out of the mold. According to the demolding device applied to the bending resisting device for the submarine cable junction box, damage to the mold is avoided, the demolding device, the mold and the middle core shaft piece are convenient and fast to assemb