Multifunctional positioning and clamping device for residual materials of drill gang

The utility model discloses a drill row excess material multifunctional positioning and clamping device which comprises a body, the body is provided with a guide hole, a first positioning hole and a pressing hole, the axis of the guide hole, the axis of the first positioning hole and the axis of the pressing hole are arranged in a coplanar mode, and the hole diameter of the guide hole, the hole diameter of the first positioning hole and the hole diameter of the pressing hole are equal. The first positioning hole is connected with a first positioning pin, the pressing hole is connected with an expansion bolt, the first positioning pin is in interference fit with the first positioning hole, and the expansion bolt is detachably connected to the pressing hole. According to the utility model, the clamping device is arranged, so that the problem that the drill bit is easy to deviate when the tangent holes in the inner and outer circumference rings are drilled is effectively solved in the drilling process. 本实用新型公开了一