Light-curing 3D printer

A light-curing 3D printer, comprising:

• a base;
• a display panel, disposed on the base;
• a tank, disposed on the base and corresponding to the display panel, wherein the tank is configured to store a printing material;
• a printing main body, corresponding to the tank and the display panel and configured to perform 3D printing with the printing material in the tank;
• and
• a vibration detector, disposed in the base and comprising a piezoelectric ceramic sheet and a vibration transmission plate, wherein the piezoelectric ceramic sheet is disposed on the vibration transmission plate, and the vibration transmission plate is in contact with the display panel;
• wherein the vibration detector further comprises a seat, the seat is disposed in the base, the vibration transmission plate is disposed on the seat, and the piezoelectric ceramic sheet is located in the seat;
• wherein the vibration detector further comprises a spring, the spring is disposed between and in contact with the seat and the vibration transmission plate;
• wherein the seat is provided with a first positioning pillar, the vibration transmission plate is provided with a second positioning pillar, and two opposite ends of the spring are respectively sleeved on the first positioning pillar and the second positioning pillar.