The utility model provides a
punching mechanism for rim spokes and a
punching device thereof, which comprises a fixed base, a
punching machine is arranged in the fixed base, the punching
machine comprises a punching oil cylinder, the punching oil cylinder is fixedly arranged at one end of the fixed base, the punching oil cylinder is arranged on the outer side of the fixed base, and the punching oil cylinder is connected with the fixed base. A punching oil cylinder is arranged on the fixed base, a punching
machine body is fixedly connected to the end of a
piston of the punching oil cylinder, a punching needle is fixedly installed at the front end of the punching machine body, a positioning punching position matched with a rim punched hole is installed on the inner front wall of the fixed base, and the punching needle corresponds to the positioning punching position. The rim is clamped through the rim clamp, then the rim punching hole is matched with the positioning punching position, then the punching oil cylinder is started, and the punching needle is aligned to the punching hole in the rim through the punching machine body to punch the corresponding
spoke mounting hole. In this way, through the
spoke punching mode that the positioning punching position, the rim punching and the punching needle are matched, the working efficiency of rim
spoke punching is greatly improved, and the accuracy of the spoke punching position and angle can be guaranteed.