PCB joint type milling cutter

The utility model belongs to the technical field of cutters. The utility model relates to a milling cutter, in particular to a PCB joint-type milling cutter. The cutter comprises a handle part and a head part, wherein the cutter head part is connected with the cutter handle part through welding; the cutter head part comprises a first part, a second part and a third part; wherein the first part, the second part and the third part are sequentially connected, the first part is connected with the knife handle part, the second part is in a circular truncated cone shape, the third part is provided with a spiral groove and a knife edge, the spiral groove is adjacent to the knife edge, and the knife edge is provided with a notch. The milling cutter is simple in structure, long in service life andhigh in working efficiency. 本实用新型属于刀具技术领域，具体涉及一种PCB接合式铣刀，包括刀柄部和刀头部，所述刀头部通过焊接与所述刀柄部连接，所述刀头部包括第一部分、第二部分和第三部分，所述第一部分、所述第二部分、所述第三部分依次连接，所述第一部分与所述刀柄部连接，所述第二部分为圆台型，所述第三部分设置有螺旋槽和刀刃，所述螺旋槽与所述刀刃相邻设置，所述刀刃设置有缺口。该铣刀结构简单，使用寿命长，工作效率高。