BIN-AGITATOR Russian patent published in 1999 - IPC

FIELD: equipment for processing of plastics, applicable for agitation of moulding powder and feeding of moulding machines, automatic thermosetting plastics machines, extruders, masticators, rotor-conveyer lines, continuous moulding line with a remote mould. SUBSTANCE: bin-agitator comprises a body and a drive shaft connected to a rack-and-pinion gear. The body has a cylindrical charging part and a tapered working part with a charging opening. The drive shaft has equidast blades and a spring plate fastened at the bottom. The charging part is furnished with a funnel. Installed in the upper part of the funnel is a detachable tapered container with a sealed cover and discharging opening with a gate. In the lower part the funnel has an O-ring seal of flexible material. The container is rigidly attached to a frame located on external supports. The lower cylindrical part of the funnel is located inside the toothed wheel of the rack-and-pinion gear installed for movement in the guides. The guides are made on the outer surface of the funnel cylindrical part. Additional blades are installed on the upper end of the drive shaft in the funnel tapered part. EFFECT: enhanced capacity, provides continuous operation of equipment, improved conditions of labour, prevented dusting of moulding powder at its charging into the bin in the process of bin operation. 4 cl, 3 dwg