tyre changing apparatus

A tyre changer actuating the tyre remover to move on a track tightly close to the rim flange and the tyre remover to run stably. The tyre changer comprises a clamp plate structure (4) ; two side clamp plates of the clamp plate structure are correspondingly provided with two arc-shaped guide slots (5) for a tyre remover; the guide slots guide the tyre remover to slide between the rim flange and the tyre bead along the contour of the rim flange; the two guide slots are vertically arrayed; and the tyre remover is located between the two side clamp plates. The structural features lie in that the upper end of the clamp plate structure is provided with a support body (8), and the upper end of the support body is connected to the lower end of a vertical actuator body (14) of the tyre remover.