Mechanism for automatically adjusting size of repaired light spot

The utility model relates to a mechanism for automatically adjusting the size of a repaired light spot, which sequentially comprises an X-axis light path adjusting mechanism and a Y-axis light path adjusting mechanism from top to bottom, an upper bottom plate is arranged between the X-axis light path adjusting mechanism and the Y-axis light path adjusting mechanism, and a lower bottom plate is arranged at the bottom of the Y-axis light path adjusting mechanism. The light spot repairing device is suitable for OLED screen lightening light spot repairing, the thickness of a light beam can be automatically adjusted in a servo driving mode, the requirement for rapidly and correspondingly repairing light spots of different sizes is met, the workload is greatly reduced, and the repairing efficiency is improved. 本实用新型涉及自动调节修复光斑大小的机构，从上往下依次包括X轴向光路调节机构和Y轴光路调节机构，X轴向光路调节机构和Y轴光路调节机构之间设置有上底板，Y轴光路调节机构的底部设置有下底板。本实用新型适用于OLED屏幕点亮光斑修复，通过伺服驱动的方式可以自动调节光束粗细，来达到快速对应修复大小各异光斑的需求，大大降低了工作量，提高修复效率。