Embossing machine for sheet material, in particular paper, such as tissue paper, toilet paper and the like, comprising: a pair of side panels, each of the two side panels having a fixed portion (2, 2') and a movable portion, a pair of steel embossing rollers and of rubber rollers (4A, 4B, 4C, 4D), each of the embossing rollers having a pair of ends (6A, 6B) which are contained between the side panels, the fixed portions (2, 2') of the side panels providing two oblique, upwardly open seats, apt to receive said ends (6A, 6B) of the embossing rollers characterised in that each of said movable portions of the side panels has, at the position of the embossing rollers, a lower edge with a profile matching the profile of the upper portion of the two steel embossing rollers (4A, 4B) so that: upon the closure movement of the movable portions of the side panels with respect to the fixed portions (2, 2') of the side panels, said profile of said lower edge of the movable portions presses on the ends of the embossing rollers to block said rollers, and upon the opening movement of the movable portions of the side panels with respect to said fixed portions (2, 2') of the side panels, a space is defined for access to the ends of the rollers for removal thereof directly without any manual operation, said lower edge of said movable portions of said side panels having, integral with the respective side panel, a plate whereon two due bushings (31A, 31B) with half-ring shape are attached, suitable for pressing above said embossing rollers when said movable portions are in position of closure. a pair of side panels, each of the two side panels having a fixed portion (2, 2') and a movable portion, a pair of steel embossing rollers and of rubber rollers (4A, 4B, 4C, 4D), each of the embossing rollers having a pair of ends (6A, 6B) which are contained between the side panels, the fixed portions (2, 2') of the side panels providing two oblique, upwardly open seats, apt to receive said ends (6A, 6B) of the embossing rollers characterised in that each of said movable portions of the side panels has, at the position of the embossing rollers, a lower edge with a profile matching the profile of the upper portion of the two steel embossing rollers (4A, 4B) so that: upon the closure movement of the movable portions of the side panels with respect to the fixed portions (2, 2') of the side panels, said profile of said lower edge of the movable portions presses on the ends of the embossing rollers to block said rollers, and upon the opening movement of the movable portions of the side panels with respect to said fixed portions (2, 2') of the side panels, a space is defined for access to the ends of the rollers for removal thereof directly without any manual operation, said lower edge of said movable portions of said side panels having, integral with the respective side panel, a plate whereon two due bushings (31A, 31B) with half-ring shape are attached, suitable for pressing above said embossing rollers when said movable portions are in position of closure. upon the closure movement of the movable portions of the side panels with respect to the fixed portions (2, 2') of the side panels, said profile of said lower edge of the movable portions presses on the ends of the embossing rollers to block said rollers, and upon the opening movement of the movable portions of the side panels with respect to said fixed portions (2, 2') of the side panels, a space is defined for access to the ends of the rollers for removal thereof directly without any manual operation, said lower edge of said movable portions of said side panels having, integral with the respective side panel, a plate whereon two due bushings (31A, 31B) with half-ring shape are attached, suitable for pressing above said embossing rollers when said movable portions are in position of closure.