Pin testing device for four-pin packaging

The invention relates to the technical field of pin testing, in particular to a pin testing device for four-pin packaging, which comprises an operation table, a placement groove is formed in the operation table, a universal meter and a first motor are arranged on a fixing frame, a connecting rod is connected with a connecting shaft, a movable block is connected with a first movable rod, a second movable rod is connected with a supporting rod, and a transverse plate is connected with a second motor. The threaded cylinder is connected with a threaded rod, and the connecting block is connected with a contact. A chip is fixed in a placing groove, a threaded cylinder driven by a second motor is started to enable a threaded rod to move downwards to drive a contact on a connecting block to move downwards to make contact with a pin, the second motor is stopped, then a first motor is started to drive a connecting rod to rotate, and the connecting rod drives a movable block on a connecting shaft to enable the first mov