High-precision light guide plate injection mold and light guide plate

Abstract

The utility model discloses a high-precision light guide plate injection mold and light guide plate, wherein, injection mold includes bottom plate, support subassembly, lower mould plate, lower mould, spliced block, upper mould plate and upper mould, and support subassembly is installed on the bottom plate, and support subassembly includes a plurality of support block for supporting lower mould plate and adjusting the height of lower mould plate, the upside of lower mould is plated with metal nickel layer, and a plurality of even arrangement and mutually parallel V -cut groove are established on metal nickel layer, and the cross section shape of V -cut groove is inverted isosceles trapezoid, and there is " A " shape convex strip between adjacent V -cut groove, the downside of upper mould is equipped with a plurality of screen dot combination, and every screen dot combination is by three screen dot pits that present " product " shape arrangement is formed. The utility model discloses lower mould and upper mould can make the light guide plate after injection moulding and make light guide plate stick the problem of upper mould problem can be avoided, can make the interval precision control between lower mould and upper mould.

Images