Glass plate manufacturing device

The utility model provides a glass plate manufacturing device which can quickly and properly monitor in a simple method under the condition that obstacles are generated in the monitoring of the cut-off state of glass. This glass plate manufacturing device is characterized by being provided with: a molding region for molding a glass ribbon; a conveyance device that conveys the glass ribbon in the longitudinal direction; a cutting device for cutting the glass ribbon in the width direction to form a glass plate; a monitoring mechanism for monitoring the cut state of the cut glass; and a timing adjustment unit that sets a monitoring timing when the cutting state of the glass is monitored by the monitoring mechanism, and that can adjust the monitoring timing in a delayed or advanced manner. 本实用新型提供在玻璃的切断状态的监视中产生了障碍的情况下能够以简易的方法迅速地进行适当的监视的玻璃板制造装置。一种玻璃板制造装置，其特征在于，具备：成形区，其成形玻璃带；搬运装置，其将所述玻璃带沿着长度方向搬运；切断装置，其将所述玻璃带沿着宽度方向切断以切出玻璃板；监视机构，其监视切断后的玻璃的切断状态；以及时机调整部，其设定利用所述监视机构监视所述玻璃的切断状态时的监视时机，且能够进行使该监视时机延迟或提早的调整。