Plunger spring machining tool

The utility model belongs to the technical field of plunger spring machining, and particularly relates to a plunger spring machining tool which comprises a machining device and a plunger spring assembly and further comprises a protection device which is placed on the surface of the machining device, clamps the lower end of the outer wall of the plunger spring assembly and can isolate and block a plugged spring. According to the plunger spring clamping device, a plunger spring assembly after plugging can be clamped, the situation that a plunger spring pops up due to installation deviation of the plunger spring after plugging is avoided, the plunger spring can be isolated from personnel through the protection device, and the situation that the plunger spring pops up and hurts workers is avoided. 本实用新型公开的属于柱塞弹簧加工技术领域，具体为一种柱塞弹簧加工工装，包括加工装置和柱塞弹簧组件，还包括：防护装置，其放置于加工装置的表面，并对柱塞弹簧组件的外壁下端进行夹持，且能够对加塞后的弹簧进行隔绝和阻挡，本实用新型能够对加塞后的柱塞弹簧组件进行夹持，防止加塞后的柱塞弹簧安装偏移，导致柱塞弹簧弹出，且通过防护装置能将柱塞弹簧与人员隔离，防止柱塞弹簧弹出，对工作人员造成伤害。