Automatic testing device of automatic testing machine

The utility model discloses an automatic test device of an automatic test machine, the automatic test device comprises a test device, a left support block, a right support block and an automatic blanking device, a test station is formed between the left support block and the right support block, and the left support block and the right support block are respectively electrically connected with the test device; the automatic discharging device comprises a left driving source and a right driving source which are connected with the left supporting block and the right supporting block respectively, and a defective product discharging channel and a non-defective product discharging channel which are arranged below the left supporting block and the right supporting block respectively. The left driving source or the right driving source drives the left supporting block or the right supporting block to slide so as to open the defective product discharging channel or the non-defective product discharging channel. Ther