Vertical ring rolling mill convenient to adjust

The utility model belongs to the technical field of ring rolling machines, and discloses a vertical ring rolling machine convenient to adjust, which comprises a machine body, a through hole is formed in the machine body, a moving block is movably sleeved in the through hole, and a core roller is fixedly mounted on the side surface of the moving block. A first tooth groove block located outside the machine body is fixedly installed on the right side of the movable block. Through the arrangement of the first tooth groove block, the gear and the second tooth groove block, due to the operation of the first pneumatic cylinder, the connecting block drives the gear to rotate through the second tooth groove block, and the convex wheel rotates along the inner wall of the machine body; furthermore, a gear drives a moving block to move downwards along the interior of a through opening through a first tooth groove block until the core roller moves downwards to a proper position, so that the purpose of conveniently adjust