Roving frame for formation and delivery of roving bobbins

This roving frame comprises: a movable bedplate (1) made up of several bedplate sections (3) aligned horizontally and provided with means (10, 11) for controlling their horizontal position, means (29) for the suspended support of the overhead conveyor (19) responsible for carrying out the collection of the roving bobbins (17) and the delivery of the empty tubes (18), sensors (30) for the detection of possible upward movements of the overhead conveyor (19) during the change of roving bobbins (17) for empty tubes (18), sensors (21) for automatically verifying the correct position of the roving bobbins (17) and of the empty tubes (18) during doffing change, and a cooling circuit (35, 36) projecting the air coming from the pneumatic cleaning circuit (31) toward the members to be cooled.