Quick replacable steel to steel knurling device

The utility model relates to an embossing device of metal foil, which uses steel to steel embossing. The utility model comprises a machine frame, a power transmission device, sized embossing roll shafts made from steel, a compressing device of a roll shaft, a pressure regulating valve, and a door component, wherein, the small embossing roll shaft is fixed in the machine frame by a bearing, and power is transmitted to the small embossing roll shaft by the power transmission device. Under the drive of the compressing device of a roll shaft and a guide component, the large embossing roll shaft can be clutched with the small embossing roll shaft; the pressure regulating valve can regulate pressure; indicated pressure of a pressure gauge can be arranged, and a control clutch of a handle switch valve can be arranged. The machine frame uses a combined type, and bearing hole points on both ends of the small embossing roll shaft are respectively cut with an upper pressing block. A driving gear is driven by a synchronous pulley, and a transmission ratio between gears connected by the driving gear and the small embossing roll shaft is 1. The embossing device of metal foil has characteristics of strong and clear stereo perception of pressed patterns, easy exchange of the embossing roll, etc. The utility model can press many kinds of special anti-counterfeiting patterns on a specified position.