Tire mold and tire vulcanizing device

The utility model discloses a tire mold and a tire vulcanizing device, solves the problem that in the prior art, a step is easily generated between a lower side plate and a lower steel ring, so that the vulcanized tire has the step, and has the beneficial effects of ensuring the concentric matching of the lower steel ring and the lower side plate and improving the tire quality. The device comprises a lower side plate and a lower steel ring, the lower side plate and the lower steel ring are installed in a matched mode, the upper half section of the contact face of the lower side plate and the lower steel ring is a conical face to facilitate positioning, the lower half section is a cylindrical face, the lower steel ring comprises a first steel ring and a second steel ring, and a gap exists between the matched faces of the first steel ring and the second steel ring; and the first steel ring on the inner side is connected with a lower clamping ring of the vulcanizing machine central mechanism. 本实用新型公开了一种轮胎模具及轮胎硫化