Grooving device for machining upper shaft crank

The utility model provides a slotting device for machining an upper shaft crank, and belongs to the technical field of sewing machine accessory machining equipment. The problem that in the prior art, the grooving process of an upper shaft crank is low in machining efficiency is solved. The grooving device for machining the upper shaft crank comprises a rack, a grooving machine is arranged on the rack, a workbench is rotationally arranged on the rack, a plurality of positioning pieces used for positioning the upper shaft crank are arranged on the edge of the workbench in the circumferential direction, and the grooving machine can move in the radial direction of the workbench and machine the upper shaft crank. The upper shaft crank grooving machine has the advantages that the machining efficiency of upper shaft crank grooving is improved while the machining quality is guaranteed. 本实用新型提供了一种用于上轴曲柄加工的开槽装置，属于缝纫机配件加工设备技术领域。它解决了现有技术中上轴曲柄的开槽工序加工效率低下的问题。本用于上轴曲柄加工的开槽装置，包括机架，机架上设置有开槽机以及转动设置有工作台，工作台的边缘沿周向设置有若干用于定位上轴曲柄的定位