Springback type clamping arm tool

The utility model discloses a springback type clamping arm tool which comprises a support, two clamping arms, a first elastic piece and an opening driving mechanism, the number of the clamping arms is two, the middle of each clamping arm is provided with a hinge portion hinged to the support, and the upper end and the lower end of each clamping arm are respectively a clamping end and a connecting end. The first elastic piece is connected between the two connecting ends and used for enabling the two connecting ends to be opened towards the left side and the right side so that the two clamping ends can get close to each other. The opening driving mechanism comprises a lifting driving assembly and a sliding block arranged between the two clamping arms, sliding structures are arranged between the clamping arms and the sliding block, and the left end and the right end of the sliding block are slidably connected with the clamping arms through the two sliding structures correspondingly. According to the springback t