LED display screen detection device

The utility model belongs to the technical field of display screen detection, and discloses an LED display screen detection device. The LED display screen detection device comprises a workbench, the upper surface of the workbench is fixedly connected with a supporting frame, the left side and the right side of the supporting frame are each provided with a guide groove, the left side and the right side of the supporting frame are each provided with a limiting groove, the limiting grooves communicate with the guide grooves, and the left side and the right side of the supporting frame are each provided with a clamping mechanism. According to the LED display screen detection device, a display screen is clamped and fixed through cooperative use of a second electric push rod, a clamping plate and a non-slip mat arranged on the clamping mechanism, the device is adapted to detection of display screens of different sizes through the electric push rod, and meanwhile, through cooperative use of a positioning shaft, a dr