Nylon polarized lens and forming mold thereof
一种偏光镜片、成型模具的技术,应用在其他家里用具、光学、光学部件等方向,能够解决镜片厚等问题,达到减少加工程序、利用率提高、避免冲胶现象的效果
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Embodiment 1
[0042] Such as Figure 8 Shown is the first embodiment of a nylon polarizing lens disclosed in the present invention, which is composed of a nylon material layer 100 and a polarizing film 30 . A positioning part for positioning the polarizing film 30 is respectively formed at four corners of the nylon material layer 100. There are many specific forms of the positioning part. Figure 8 The positioning portion shown is the concave portion 20 , and a polarizing film 30 is combined on the outer surface of the area surrounded by the four concave portions 20 . The key of the present invention is that buffer grooves 1 are provided on the end faces of the two opposite sides of the nylon material layer 100 .
[0043] Cooperate Figure 9 and Figure 10 As shown, the forming mold for preparing the above-mentioned nylon polarized lens is composed of an upper mold 60 and a lower mold 40 . The top end surface of the lower mold 40 is an arc concave surface, and a buffer rib 2 is formed o...
Embodiment 2
[0046] Another example Figure 11 Shown is the second embodiment of a nylon polarizing lens disclosed in the present invention, which is composed of a nylon material layer 100 and a polarizing film 30 . Form a positioning portion for positioning the polarizing film 30 at four corners of the nylon material layer 100 respectively, and this embodiment positioning portion forms aperture 3 at four corners of the nylon material layer 100, and aperture 3 is for the die described later The positioning pin penetrates through to position the polarizing film 200 . The key of the present invention is that buffer grooves 1 are provided on the end faces of the two opposite sides of the nylon material layer 100 .
[0047] In this embodiment, the two opposite sides of the nylon material layer 100 extend to both sides to form a positioning plane 4, and four corners of the outer surfaces of the two positioning planes 4 are respectively formed with protruding top feet 5, which can be supported ...
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