Sheet rolling device

A rolling device for a sheet of paper or cardboard, comprising:

• a main casing which extends along a longitudinal axis between a front face and a rear face and comprising an external cap which includes a first receiving slot,
• a sliding element translationally movably mounted along the longitudinal axis in the main casing, from the front face of the main casing, between an open position and a closed position of the main casing, the sliding element comprising:
• a shell which extends along the longitudinal axis between a front edge and a rear edge and comprising a rounded upper portion including a second receiving slot, and
• a wall for closing the front face of the main casing,
• a rotary element rotatably movably mounted along the longitudinal axis and comprising:
• a cylindrical shaft delimited between a first and a second end and housed inside the main casing, from the rear face of the main casing, the shaft including a third receiving slot open up to its second end, and
• an adjustment wheel integral with the first end of the shaft,
• a stop surface;
• in the closed position of the rolling device:
• the first and second receiving slots are aligned along a same vertical plane comprising the longitudinal axis,
• the second receiving slot is arranged between the first receiving slot and the shaft of the rotary element along a vertical axis, and
• the rounded upper portion of the shell of the sliding element is arranged opposite the shaft of the rotary element.