| 主权项 |
1. A angled-outward toggle clamping type vertical injection molding machine, comprising:
a frame having a platen support attached thereto; a angled-outward toggle mechanism, including a first coupling seat both sides of which are pivotally connected respectively to one ends of corresponding first toggle arms, the other ends of both first toggle arms being pivotally connected respectively to one ends of corresponding second toggle arms, and the other ends of both second toggle arms being pivotally connected respectively to a second coupling seat; the second toggle arms being pivotally connected respectively with one ends of corresponding third toggle arms, and the other ends of the third toggle arms being pivotally connected respectively to the two sides of an interlocking seat which is attached with a hydraulic cylinder at the middle portion thereof, the end of an output rod of the hydraulic cylinder being fixed to the second coupling seat, one ends of tie bars being correspondingly fixed to the two sides of the first coupling seat, and the other ends of the tie bars being extended upward to pass through and fit in the interlocking seat, and then to pass out of a stationary platen and the platen support so as to be located above the platen support; a die unit, including the stationary platen, a movable platen, an upper die and a lower die; the stationary die being fastened to the platen support of the frame, and the second coupling seat of the angled-outward toggle mechanism being fixed to the bottom end of the stationary platen; the movable platen has its four corners to be fitted with the other ends of the tie bars protruding above the platen support; further, the bottom end of the movable platen being fixed to the upper die, and the lower die being attached to the upper end of the stationary platen so as to correspond to the upper die; a stroke adjustment unit assembled at the upper end of the movable platen which has bush apertures provided at four corners thereof for fitting with the tie bars of the angled-outward toggle mechanism, and a number of driven gears being provided at the upper end of the movable platen, the driven gears having central apertures corresponding respectively to the bush apertures of the movable platen; inner threaded segments being formed respectively in the central aperture, that mesh respectively with outer threaded segments formed on the tie bars; a drive gear being provided at the center of the driven gears and mated therewith; a rotational power source being provided on the movable platen the output shaft of which is assembled with a transmission gear for mating with the drive gear. |
