CN203680624U - Mould with double non-spherical surfaces - Google Patents
Mould with double non-spherical surfaces Download PDFInfo
- Publication number
- CN203680624U CN203680624U CN201320890700.3U CN201320890700U CN203680624U CN 203680624 U CN203680624 U CN 203680624U CN 201320890700 U CN201320890700 U CN 201320890700U CN 203680624 U CN203680624 U CN 203680624U
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- China
- Prior art keywords
- mould
- aspheric
- patrix
- counterdie
- curved
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Abstract
The utility model relates to the technical field of moulds and particular relates to a lens mould. The mould with double non-spherical surfaces comprises an upper mould and a lower mould, wherein the lower surface of the upper mould and the upper surface of the lower mould are upwards convex arc surfaces; the upper mould and the lower mould are fixed by a ring-shaped sealing fixing device; a lens pouring cavity is formed between the upper mould and the lower mould; a sprue gate communicated with the pouring cavity is arranged between the upper mould and the lower mould. By adopting the technical scheme, a lens manufactured by adopting the mould disclosed by the utility model is in a non-spherical structure, so that peripheral magnifying power can be reduced, and the lens is more comfortable to wear.
Description
Technical field
The utility model relates to technical field of mold, relates in particular to a kind of lens mold.
Background technology
Resin lens is a kind of optical mirror slip taking resin as material.Because it has the remarkable advantages such as lightweight, strong shock resistance, light transmission be good, manufactured widely and used.The mould of making at present resin lens, normally adopts mould, and in prior art, two and half films of mould adopt Sphere Measurement Model conventionally, and the eyeglass of making is traditional spheric glass, and lens periphery sees that object has twisted phenomena, has limited wearer's the visual field.
Utility model content
The purpose of this utility model is, provides a kind of two-sided for aspheric mould, to solve the problems of the technologies described above.
The technical problem that the utility model solves can realize by the following technical solutions:
One is two-sided is aspheric mould, comprise upper die and lower die, it is characterized in that, the lower surface of described patrix, the upper surface of described counterdie are the cambered surface of an epirelief, between described patrix and described counterdie, fix by the sealed fixing device of a ring-type, between the upper surface of the lower surface of described patrix, described counterdie, form an eyeglass cast chamber;
Between described patrix and described counterdie, be provided with a sprue gate, pour into a mould chamber described in the UNICOM of described sprue gate.
When the utility model uses, pour into a mould rifle potting syrup is injected to cast chamber by sprue gate, complete the making of eyeglass.
The lower surface of described patrix, the upper surface of described counterdie are an aspheric cambered surface;
-105 aspheric surfaces that are bent to curved-200 curved round and smooth bendings in end 100 that centered by cambered surface on the lower surface of described patrix, 95 is curved;
-610 aspheric surfaces that are bent to curved-550 curved round and smooth bendings in end 450 that centered by cambered surface on the upper surface of described counterdie, 590 is curved.Upper die and lower die of the present utility model adopt aspherical module, and the eyeglass of making is aspherical lens, and lens edge aberration is reduced to minimum, the broad visual field.In addition, the base of aspherical lens curved more flat, weight is lighter, outward appearance is more natural, attractive in appearance.In the situation that diopter is high, can reduce the distortion of eyes, for the high user of eyesight degree, more applicable.
The center of described patrix is 1.3mm-2.0mm to the centre distance of described counterdie.
Described patrix and described counterdie all adopt glass to be made into integration.
Described sealed fixing device can adopt cushion rubber or adhesive tape, and described sealed fixing device is provided with a through hole, and described through hole, as described sprue gate, will be poured into a mould chamber and outside UNICOM.
Beneficial effect: owing to adopting technique scheme, adopt that the eyeglass made of the utility model is more flat, thinner, outward appearance is more beautiful, owing to being aspheric surface design, can reduce periphery magnifying power, wear more comfortable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, one is two-sided is aspheric mould, comprise patrix 1 and counterdie 2, the lower surface of patrix 1, the upper surface of counterdie 2 are the aspheric cambered surface of epirelief,-105 aspheric surfaces that are bent to curved-200 curved smooth curves in end 100 that centered by cambered surface on the lower surface of patrix 1,95 is curved, preferred center 100 is bent to the aspheric surface of end 150 curved round and smooth bendings.-610 aspheric surfaces that are bent to curved-550 curved round and smooth bendings in end 450 that centered by cambered surface on the upper surface of counterdie 2,590 is curved, preferred center 600 is bent to the aspheric surface of end 500 curved round and smooth bendings.
Sealed fixing device 3 by ring-type between patrix 1 and counterdie 2 is fixing, forms cast chamber 4 between patrix 1 and counterdie 2.Sealed fixing device 3 adopts cushion rubber or adhesive tape, and sealed fixing device 3 is provided with through hole, and through hole, as sprue gate, will be poured into a mould chamber 4 and outside UNICOM.
Patrix 1 of the present utility model and counterdie 2 adopt aspherical module, and the eyeglass of making is aspherical lens, and lens edge aberration is reduced to minimum, the broad visual field.In addition, the base of aspherical lens curved more flat, weight is lighter, outward appearance is more natural, attractive in appearance.In the situation that diopter is high, can reduce the distortion of eyes, for the high user of eyesight degree, more applicable.
Patrix 1 and counterdie 2 all adopt glass to be made into integration.The center of patrix 1 is 1.3mm-2.0mm to the centre distance of counterdie 2.In the time of actual fabrication mould, the upper surface of patrix 1 can be adopted to identical cambered surface with its lower surface.The lower surface of counterdie 2 adopts identical cambered surface with its upper surface.The upper surface of patrix 1 can also be adopted to identical cambered surface with the upper surface of counterdie 2, the lower surface of counterdie 2 adopts identical cambered surface with the lower surface of patrix 1.So that same mould both can be used as patrix 1 and also can be used as counterdie 2 and make eyeglass.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
- One kind two-sided be aspheric mould, comprise upper die and lower die, it is characterized in that, the lower surface of described patrix, the upper surface of described counterdie are the cambered surface of an epirelief, between described patrix and described counterdie, fix by the sealed fixing device of a ring-type, between the upper surface of the lower surface of described patrix, described counterdie, form an eyeglass cast chamber;Between described patrix and described counterdie, be provided with a sprue gate, pour into a mould chamber described in the UNICOM of described sprue gate;The lower surface of described patrix, the upper surface of described counterdie are an aspheric cambered surface;-105 aspheric surfaces that are bent to curved-200 curved round and smooth bendings in end 100 that centered by cambered surface on the lower surface of described patrix, 95 is curved;-610 aspheric surfaces that are bent to curved-550 curved round and smooth bendings in end 450 that centered by cambered surface on the upper surface of described counterdie, 590 is curved.
- 2. one according to claim 1 is two-sided is aspheric mould, it is characterized in that 100 aspheric surfaces that are bent to end 150 curved round and smooth bendings centered by the cambered surface on the lower surface of described patrix;600 aspheric surfaces that are bent to end 500 curved round and smooth bendings centered by cambered surface on the upper surface of described counterdie.
- 3. one according to claim 1 is two-sided is aspheric mould, it is characterized in that, the center of described patrix is 1.3mm-2.0mm to the centre distance of described counterdie.
- 4. two-sided according to the one described in claim 1,2 or 3 is aspheric mould, it is characterized in that, described patrix and described counterdie all adopt glass to be made into integration.
- 5. one according to claim 3 is two-sided is aspheric mould, it is characterized in that, described sealed fixing device adopts cushion rubber or adhesive tape, and described sealed fixing device is provided with a through hole, and described through hole, as described sprue gate, will be poured into a mould chamber and outside UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890700.3U CN203680624U (en) | 2013-12-31 | 2013-12-31 | Mould with double non-spherical surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890700.3U CN203680624U (en) | 2013-12-31 | 2013-12-31 | Mould with double non-spherical surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680624U true CN203680624U (en) | 2014-07-02 |
Family
ID=51002581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890700.3U Expired - Fee Related CN203680624U (en) | 2013-12-31 | 2013-12-31 | Mould with double non-spherical surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203680624U (en) |
-
2013
- 2013-12-31 CN CN201320890700.3U patent/CN203680624U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20181231 |