Accurate positioning and aligning device of cold ironing compound machine

The invention relates to the technical field of cold ironing equipment, in particular to an accurate positioning and aligning device of a cold ironing compound machine. According to the technical scheme, the positioning device comprises an upper positioning roller and a lower positioning roller, the upper positioning roller and the lower positioning roller each comprise a rotating part and a fixed part, the rotating parts are rotationally connected to a supporting base through rotating shafts, and the rotating shafts are sleeved with the fixed parts which are fixedly connected to the supporting base; positioning detection mechanisms are arranged in the fixed parts of the upper positioning roller and the lower positioning roller; the positioning detection mechanism of the upper positioning roller is aligned with the edge of a transfer film, and the positioning detection mechanism of the lower positioning roller is aligned with the edge of a printing stock. The device has the beneficial effects that the positio