DEVICE FOR THE PREPARATION OF PLASTICS MATERIAL

摘要

A device for the preparation of plastics material, in particular thermoplast ic plastics material, has a receiving container (1) for the material, the interior of th e said receiving container (1) having tools (21) provided therein which are arranged on a carrier disc (9). The tools are driven by a shaft (4) for rotation about the, in particular vertical, axis (8) of the shaft (4). At least one screw (17) is provided for the removal of the material out of the receiving container (1). The screw housing (16) has a feed opening (27) whic h is connected with respect to flow to a discharge opening (15) in the container (1), which discharge opening (15) is situated at a lower level than the carrier disc (9) and the tools (21) carried by it. Further moved tools (12), which convey the material into the discharge opening (15), are provided in the receiving container (1) below the carrier disc (9). The carrier disc (9) comprises at least one aperture (36) which connects the spa ce (26) above the carrier disc to the space (10) below it, in order to divert water vapour and/or gaseous substances out of the space (10). The apertures (36) are situated close to t he axis (8) and close to the trailing edges (37) of the tools (21) during the rotation of th e carrier disc (9).