Four-jaw chuck counterweight device for turning special-shaped component

The utility model discloses a four-jaw chuck counterweight device for turning a special-shaped component, which belongs to the technical field of chuck counterweight, and comprises a jaw, a chuck, a mounting block and a counterweight piece, the mounting block is connected on the jaw through a bolt, and the counterweight piece is fixedly connected on the mounting block. The problems that in the prior art, when a balance weight part is replaced, repeated cutting and welding are needed, the clamping jaw is prone to deformation and failure, and potential safety hazards are brought can be solved. 本实用新型公开了车制异形构件用四爪卡盘配重装置，属于卡盘配重技术领域，其包括卡爪、卡盘、安装块和配重件，所述安装块螺栓联结在卡爪上，所述配重件固定连接在安装块上。本实用新型可以解决现有技术更换配重件时，需要反复切割和焊接，容易使卡爪变形失效，带来安全隐患的问题。