Tooling and mechanical arm

The invention discloses an end picking device and a mechanical arm, the end picking device comprises a bearing seat, a first clamping assembly, a second clamping assembly and a second clamping assembly, the bearing seat is used for being connected with the mechanical arm, the first clamping assembly comprises two first clamping parts movably installed on the bearing seat in the first direction, and the two first clamping parts are used for clamping a material box in the first direction; the second clamping assembly comprises two clamping structures arranged on the bearing base in the first direction in a spaced mode, each clamping structure comprises two second clamping parts movably installed on the bearing base in the second direction, and the two second clamping parts are used for clamping the material box in the second direction. And the third clamping assembly comprises a fixing part and an elastic pressing part movably installed on the bearing base in the third direction, the elastic pressing part is us