| 摘要 |
A mold for pressure molding a LED lamp radiator body comprises a fixed and a movable cages, single-piece inserts that are made in the form of a die and a punch, with cavities for installation of prints, a pressure sprue bush, a divider, holders of the die and punch, bars, a plate of pullers, a thrust plate, a pulling plate, pullers, counter-pullers, guiding columns and bushes, prints, conical locks, latches, fasteners, while the die, die holder, guiding columns, conic pins of conical locks, prints, and bush are placed in a fixed portion of the mold and the punch, punch holder, bars, divider, centering sleeves, supports of centering sleeves, conical bushes of conic locks, plate of pullers, thrust plate, pulling plate with pullers and counter-pullers are located in the mobile portion of the mold. The mold further comprises at least four supports, four eyebolts movable and a mobile insert-core, while for installation – extraction of the mobile insert a hydraulic drive is used in the form of a hydraulic cylinder with a slide and guides, which is mounted on the upper end of the movable holder, the die and punch are made with wet washers for removing gases, grease traces , etc., while the wet washers are designed as recesses arranged tangentially to the outer end of planes of molding cavity, at the parting plane, and by channels are communicated with atmosphere, water is used for thermal stabilization of the mold, and additional supports are placed in pairs on the lower ends of fixed and moving holders, eyebolts are placed in pairs on the upper ends of fixed and moving holders, the elements of conical locking pins are located on the fixed portion of the mold, and the corresponding elements of conical locks of bush are located on the movable part of the mold, the fie holder is formed as an integral element, and a pulling plate, a plate of pullers with pullers are arranged in the space between two bars secured between the punch holder and mounting plate. |
