Inner hole machining device for needle bar sleeve

The utility model provides an inner hole machining device of a needle bar sleeve, and belongs to the technical field of sewing machine accessory machining equipment. The problem that in the prior art, the machining efficiency of an inner hole of a needle rod sleeve is low is solved. The inner hole machining device of the needle bar sleeve comprises a rack, a tool base and a clamp used for clamping a workpiece are oppositely arranged on the rack, a rough machining tool and a finish machining tool are arranged on the tool base, and the tool base can move front and back and left and right so that any tool on the tool base can directly face the clamp and machine the workpiece. The device has the advantages that the machining efficiency of the inner hole of the needle bar sleeve is improved while the machining precision is guaranteed. 本实用新型提供了一种针杆套的内孔加工装置，属于缝纫机配件加工设备技术领域。它解决了现有技术中针杆套内孔的加工效率低下的问题。本针杆套的内孔加工装置，包括机架，机架上相对设置有刀具座和用于夹持工件的夹具，所述刀具座上设置有粗加工刀具和精加工刀具，所述刀具座可前后、左右的移动使得其上的任一刀具正对夹具并加工工件。本实用新型具有在保证加工精度的同时提高针杆套内孔的加工