Clamping device for testing electronic component

The utility model discloses a clamping device for testing an electronic component, which comprises a mounting seat, a plurality of mounting holes formed in the mounting seat in an annular array, a rotating shaft arranged at the center of the mounting seat, a base of a cross structure arranged on the rotating shaft, first sliding grooves formed in four arms of the base, first screw rods arranged in the first sliding grooves, and sliding blocks in threaded connection with the first screw rods. One end of the first screw rod extends out of the base and is provided with a knob, a turntable is arranged at the top of the sliding block, a second sliding groove is formed in the turntable, a second screw rod is arranged in the second sliding groove, one end of the second screw rod extends out of the turntable and is also provided with a knob, and a movable clamping plate is arranged on the second screw rod in a threaded mode; and a fixed clamping plate is arranged on the surface of the turntable and matched with the m