V-cut knife rest for PCB

The utility model discloses a V-cut knife rest for a PCB (Printed Circuit Board), which comprises a first splicing bottom plate, a second splicing bottom plate is arranged on one side of the first splicing bottom plate, and the first splicing bottom plate and the second splicing bottom plate are connected through a length adjusting mechanism; the number of the V-cut knife supporting side plates is two, the bottom ends of the two V-cut knife supporting side plates are rotationally connected with the top end of the first splicing bottom plate and the top end of the second splicing bottom plate correspondingly, and V-cut knife containing grooves are formed in the top ends of the V-cut knife supporting side plates; the back side supporting plate is located on one side of the V-cut knife supporting side plate; according to the V-cut cutter supporting side plate, the distance between the V-cut cutter containing grooves in the V-cut cutter supporting side plate and the bottom end is larger than the radius of a V-cut