High-gradient ceramic fairing hot-press forming die and fairing preparation method

The invention provides a high-gradient ceramic fairing hot-press forming die and a fairing preparation method. The problem that in the prior art, a high-gradient ceramic fairing is difficult to form is solved. The hot-press forming die comprises a male die, a charging sleeve, a female die composed of a first female die half die and a second female die half die, a pressure bearing sleeve and a hotdemolding clamp. The shape of the head of the male die is matched with that of the interior of a fairing, the first female die half die and the second female die half die form a cylinder with an internal cavity, the joint is a smooth plane, and the shape of the cavity is matched with the external shape of the fairing. The pressure bearing sleeve is a circular ring cylinder, the inner diameter of the pressure bearing sleeve is the same as the outer diameter of the female die and the outer diameter of the charging sleeve, and the pressure bearing sleeve sleeves the combined female die and charging sleeve and used for be