Roller drawing die is a new type of drawing die. under the action of drawing force, the raw material (metal rod, metal wire, etc.) can pass through holes of specific shape and size to obtain the required shape and size of the shaped die. the holes in the roll drawing die are formed by grooves on the surface of each roll wheel combined together, and each roll wheel rotates continuously with the forward movement of the raw material. A roll drawing die consists of several modules. Each module is mainly composed of roll wheel and bracket. According to the number of modules in each roll drawing die, there are single, double, triple, quadruple, five, six. According to the number of rollers in a single module, there are two rollers, three rollers and four rollers. At present, in most occasions, roll drawing die has been able to replace the traditional drawing die, greatly improving the traditional drawing process.