Auxiliary clamp for special-shaped part

The utility model discloses an auxiliary clamp for a special-shaped part, which comprises a main body, the main body is a cylinder, a through part groove is arranged at the center of one end face of the main body, and a clamping groove is arranged on the side face of the main body. According to the auxiliary clamp for the special-shaped part, the special-shaped part with gear teeth can be clamped, clamping force is evenly dispersed on the gear teeth, and the gear teeth of the special-shaped part are prevented from deforming; the clamping device can be suitable for various chucks on a machine tool and is wide in application range and convenient to use. 本实用新型公开了一种异形零件的辅助夹具，包括：主体，所述主体为圆柱体，所述主体的一个端面中心设置有贯通的零件槽，所述主体侧面设置有夹紧槽。本实用新型提供了一种异形零件的辅助夹具，可以将带有轮齿的异形零件夹紧，夹紧力均匀分散在各个轮齿上，防止异形零件的轮齿变形；可以适用于机床上的各种卡盘，适用范围广，使用方便。