Flexible high-density circuit board deflection testing machine

The utility model discloses a flexible high density circuit board flexure testing machine, including base, casing, support, testboard, swing mechanism, circuit board placement backing plate, clamping device no. 1, clamping device no. 2, shot bar and shot bar limit device, casing is arranged on one side of base, swing mechanism is arranged on the casing, clamping device no. 1 is arranged on the swing mechanism, clamping device no. 1 is arranged on the shot bar limit device, shot bar limit device no. The test board is installed on the base through the support, the circuit board placing base plate is arranged on the test board, the second clamping device is arranged on the circuit board placing base plate, the circuit board placing base plate and the ball rod limiting device are arranged on the test board, and the ball rod is arranged on the ball rod limiting device in a penetrating mode. The first clamping device and the second clamping device fix the two ends of a circuit board to be tested on the swing mechan