Optical glass lens group and manufacturing method thereof
A technology of optical glass and manufacturing method, applied in the directions of optics, optical components, installation, etc., can solve the problems of inability to form plastic clamping rings, high adhesive defect rate, difficult technical realization, etc., and achieves easy packaging, simplified process, improved Yield effect
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no. 1 example
[0053] This embodiment is an optical glass lens set with a single optical glass lens and its injection molding manufacturing method. like figure 2 , 3 As shown, the optical glass lens set 1 is composed of an optical glass lens 20 and a clamping ring 10 for fixing the optical glass lens, wherein the optical glass lens 20 is made of optical glass and has an optical surface 21 And the outer shoulder 22 of the non-optical active surface at the periphery of the optical surface 21; the shape of the optical surface 21 and the outer shoulder 22 of the optical glass lens 20 is not limited; the optical lens 20 of the present embodiment can be manufactured by glass precision molding ( precision glass molding) method (such as Taiwan patent TWM295755), the outer shoulder 22 is square, and the optical surface 21 is biconvex. The clamping ring 10 is molded on the peripheral surface of the outer shoulder 22 of the optical glass lens 20 by using injection molding (injection molding) technol...
no. 2 example
[0064] This embodiment is an optical glass lens set with two optical glass lenses and its injection molding manufacturing method. like Figure 4 , 5 As shown, the optical glass lens set 1 of the present embodiment mainly includes: two optical glass lenses 20, which include a biconvex optical glass lens 201 and a crescent optical glass lens 202, one for making the two optical glass lenses 210 , 202 are fixed at a certain interval between the spacer 40 and a clamping ring 10 for fixing the optical glass lens; wherein, the optical glass lens 20 is made of optical glass, and the outer shoulder 22 is a square , the same as the first embodiment is made by glass precision molding manufacturing method, the optical glass lens 201 and the optical glass lens 202 are separated by a certain distance to form an optical imaging effect; the spacer 40 is placed on the optical glass lens 201 and the optical glass Between the lenses 202, the thickness of the spacer 40 is equivalent to the spec...
no. 3 example
[0074] This embodiment is an injection mold for an optical glass lens set with a square optical glass lens. like Figure 13 , 14 And 15, is the injection molding mold 3 of square optical glass lens group 1, and it is to be applied to square optical glass lens 20, comprises upper mold 31, lower mold 32, injection port 35, positioning device 33 and heating wire 36; Wherein , the positioning device 33 is composed of four positioning points, the distance and the position of the two positioning points on the opposite side of the two groups can place the square optical glass lens 20 in the center; wherein, the upper mold 31, the lower mold 32 and the embedded The part constitutes the pouring area, that is, the preset area 34 of the clamping ring 10 for plastic molding; the injection port 35 is designed by molding flow design, and its position and hole size can make the plastic liquid at 300 ° C in It flows into the preset area (casting area) 34 within a certain period of time; the...
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