MOLD DEVICE FOR ROTOMOLDING MACHINE AND ROTOMOLDING MACHINE COMPRISING SAME.

摘要

Molding device for rotational molding machine, comprising two upper (1) and lower half-tanks, each of these half-tanks being defined by one or more walls (2, 3), the lower edges (4), respectively upper, interior of each of these half-tanks receiving a plate tray (s) (5) on which are fixed one or more footprint (s) upper (s) (8), respectively lower (s), the inner face (10) of the one or more upper (8) and lower impressions forming one or more mold (s) (11) having a shape corresponding to that of the piece (s) to be molded, and the outer face (12) of the upper impression (s) (8) and the lower impression (s) forming with the wall (s) (2,3) of the lower upper half-chamber (1), respectively, of the chambers closed upper (13), respectively lower; means (14, 15, 16) for feeding into the chambers a stream of a fluid for heating the imprints (8); means (17, 18, 19, 20) for supplying a stream of fluid to the interior of chambers for cooling the cavities; means (21, 22, 23) for discharging the heating and cooling fluids.