Car lamp circuit board punching structure

The utility model discloses a car lamp circuit board punching structure, and relates to the technical field of circuit board production. The main fixing device and the auxiliary fixing device are symmetrically installed on the upper surface of the main plate, a plurality of supporting columns are installed on the upper surface of the main plate, a placing plate is installed on the upper surfaces of the supporting columns, a sliding groove is formed in the lower surface of the placing plate, a motor is installed in the sliding groove, and a threaded column is rotationally connected to one surface of the motor; threaded blocks are in threaded connection with the peripheral side faces of the threaded columns. The main fixing device and the auxiliary fixing device are matched with each other, the first air cylinder drives the telescopic column to move through the output shaft, the position of the fixing plate is conveniently adjusted, circuit boards of different sizes are conveniently fixed, the threaded handle d