Tool clamp for automobile transmission gear

The invention relates to the technical field of gear clamps, in particular to a tool clamp of an automobile transmission gear, a V-belt assembly is provided with a positioning assembly which is self-coupled and self-locked and changes the position of the positioning assembly, the positioning assembly is provided with a damping assembly, and the damping assembly has the function of changing the relative position of the positioning assembly. Further, the workpiece clamping mode is changed; the problem of how to protect the clamp in the machining process of the automobile transmission gear is solved. 本发明涉及齿轮夹具技术领域，具体的说是一种汽车变速箱齿轮的工装夹具，所述V带组件安装有通过自身互耦自锁并改变自身位置的定位组件，所述定位组件安装有减震组件，所述减震组件的功能为改变定位组件相对位置，进而改变工件夹紧方式；本发明解决如何实现在汽车变速箱齿轮加工过程中保护夹具的问题。