PCB shielding test device

The utility model belongs to the technical field of pcb boards, and discloses a pcb board shielding test device which comprises a shielding box shell, a shielding test groove is formed in the front end of the shielding box shell, a sealing door is installed at one end of a placing assembly, sliding blocks are arranged on two telescopic assemblies in a sleeved mode, telescopic blocks are installed on the two sides of the two sliding blocks, and the shielding box shell is arranged in the shielding box shell. The two sides of the shielding test groove and located on the surface of the shielding box shell are provided with through holes, and one ends of the two telescopic blocks penetrate through the through holes and are connected to the two ends of the sealing door. When the sealing door is opened, the connecting rod located on the sliding block can compress the second spring, when the sealing door is opened, the second spring can generate certain elastic force, and the sealing door can be directly ejected out,