Device and method for producing a fleece

The invention relates to a device for producing a fleece from material， preferably in the course of producing a pressed material mat for producing material plates， and relates to a method for this purpose. The device according to the invention includes - a metering device (22) for the metered delivery of the material into a chute (5)， - a separation roller (3) for the material， arranged at the other end of the chute (5)， with a wall (4) arranged in the direction of rotation (29) of the separation roller (3) and an adjoining outlet opening (26)， - a first litter space (27) with a guide plate (7) for limiting and at least partially guiding the material of the separation roller (3) exiting from the outlet opening (26)， - A shaping belt (2)， which continuously circulates in the transport direction (13) of the emerging material， for receiving the material on a first side of the shaping belt (2) in the first litter space (27) and . Vacuum boxes (10) on the other side of the forming belt (2) for generating an air flow in the first litter space (27) pointing in the direction of the forming belt (2).