CN112026103A

CN112026103A - Spectacle lens mold and manufacturing method of spectacle lens

Info

Publication number: CN112026103A
Application number: CN202010625645.XA
Authority: CN
Inventors: 赵永松; 王树华; 杨栋; 李新明
Original assignee: Chuzhou Youli Optical Glasses Co ltd
Current assignee: Chuzhou Youli Optical Glasses Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-12-04

Abstract

The invention relates to the technical field of spectacle lenses, in particular to a spectacle lens mold and a manufacturing method of a spectacle lens. The invention has the beneficial effects that the limiting insert is sleeved on the outer side wall of the limiting column, the positioning rod is inserted between the positioning block and the ejector rod, so that the upper die and the lower die are more accurate and stable in fitting, the pillar pushes the pillar head to be inserted inside the positioning groove, the bottom end of the pillar head is attached to the top end of the spring, the upper die and the lower die are more easily separated, further, the processing efficiency of the spectacle lens is improved, the surface of the spectacle lens is firmer, more wear-resistant and easier to clean, the spectacle lens has high optical performance, small dispersion, high transmittance, low light reflectivity and clearer vision, and the spectacle lens has stronger impact resistance.

Description

Spectacle lens mold and manufacturing method of spectacle lens

Technical Field

The invention relates to the technical field of spectacle lenses, in particular to a spectacle lens mold and a spectacle lens manufacturing method.

Background

The types of the lenses are very various, the materials are also very various, and different lenses are selected according to different functions of the glasses.

Chinese patent No. CN201960688U provides a preparation mould of aspheric myopia lens, by the utility model relates to a preparation mould of aspheric myopia lens's aspheric myopia lens, in it, the aspheric function that the front surface all adopted to carry out optimization, optimize the multiple increase of variable, consequently can reach higher imaging quality and bigger decrement, generally can accomplish that the decrement of single face aspheric surface is more than two times, in addition, the aspheric surface is the even aspheric surface, therefore the holohedral nature of lens has been guaranteed, be favorable to processing manufacturing, detect and general spherical lens is the same, do not influence the measurement of lens number of degrees.

Chinese patent No. CN104020513B provides an anti-slip coated resin spectacle lens, comprising a resin spectacle lens and a hard coating layer dip-coated thereon, wherein the hard coating layer is coated with an antireflection film layer, the antireflection film layer is coated with a waterproof layer, and the waterproof layer is coated with an anti-slip layer.

But an aspheric surface myopia lens preparation mould and an antiskid coating film resin lens in the technique of present preparation lens, in order to reach high definition effect, need make certain compromise to intensity, cause the lens of preparation fragile easy book, cause the potential safety hazard to the person of wearing, and the lens mould has the cooling efficiency lower when injection moulding, and the mould separation is inconvenient, is unfavorable for extensive popularization and popularization.

Disclosure of Invention

The invention aims to provide a spectacle lens mold and a spectacle lens manufacturing method, and aims to solve the problems that in the prior art for manufacturing spectacle lenses, in order to achieve a high-definition effect, certain compromise needs to be made on strength, so that the manufactured spectacle lenses are fragile and easy to break, potential safety hazards are caused to wearers, the cooling efficiency of the spectacle lens mold is low during injection molding, and the mold is inconvenient to separate.

The technical scheme of the invention is as follows: the utility model provides a spectacle lens mould, includes bed die and mould, the jack has all been seted up all around to bed die top outer wall, and two constant head tanks have all been seted up to the both sides of bed die top outer wall, shaping groove has been seted up to the axle center department of bed die top outer wall, the both sides of the positive outer wall in bed die bottom and the both sides of keeping away from positive outer wall opposite side bottom outer wall have all welded spacing post, and the top of bed die both sides outer wall has all welded the locating piece, the ejector pin that is slope column structure and distributes is installed through the bolt in the center department that the bed die is close to locating piece one side outer wall, the axle center department of mould top outer wall has seted up the port of moulding plastics, and the axle center department of mould bottom outer wall sets up.

Furthermore, the two sides of the top of the outer wall of the front side of the upper die and the two sides of the outer wall of the other side of the outer wall of the front side of the upper die are both provided with limiting inserting strips through bolts, the limiting inserting strips are of U-shaped structures, and the limiting inserting strips are sleeved outside the limiting columns.

Further, all weld the locating lever on the both sides outer wall of going up the mould, and the locating lever is pegged graft between locating piece and ejector pin, locating lever both sides outer wall is laminated with the outer wall of locating piece and ejector pin respectively mutually.

Further, all weld on one side outer wall of locating lever and locating piece and be feed liquor pipe and the drain pipe that upper and lower structure distributes, the inside that upper die and bed die are close to feed liquor pipe and drain pipe is seted up and is the cooling plate way that spiral disc structure distributes.

A method of making an ophthalmic lens, comprising the steps of:

A. preparing a raw material mixture;

B. injecting the raw material mixture into a mould for primary curing;

C. and coating the lens.

Further, the raw materials in the step A are as follows according to the weight portion: KT60A 490 parts, UV 3115 parts, UB 670.7 parts, B750.7 parts, R510.5 parts, KT60B 420 parts, KT60C 90 parts and DC 1.2 parts; after the raw materials are mixed, the raw materials are heated in a stirring pot under stirring, the viscosity is tested after the temperature reaches 40 ℃, and the temperature is rapidly reduced to 25 ℃ by using a cold water bath under stirring after the viscosity reaches 60mpa.s, and the mixture is stored for later use.

Further, injecting the raw material mixture in the step A into a prepared mould, and circularly performing thermal curing, wherein the temperature and the time of the circular thermal curing are as follows in sequence: 20 ℃ per 2h, 35 ℃ per 5h, 50 ℃ per 7h, 60 ℃ per 1h, 90 ℃ per 2h, 130 ℃ per 1.5h, 70 ℃ per 1 h; and after the curing is finished, cooling the mold to room temperature to obtain the lens.

And further, putting the spectacle lens plated with the film in the step C into a clamp, soaking the spectacle lens in a liquid medicine for 20s, and then putting the soaked spectacle lens into an oven to perform heat treatment at 60 ℃ for 90 minutes, so that the easy-cleaning film is formed on the spectacle lens, wherein the liquid medicine consists of 15-25 parts by weight of ethyl perfluoroisobutyl ether, 75-85 parts by weight of ethyl perfluorobutyl ether and 1-2 parts by weight of a fluorine surface treating agent.

The invention provides an eyeglass mold and a manufacturing method of an eyeglass through improvement, compared with the prior art, the invention has the following improvement and advantages:

(1) according to the invention, the limiting insert, the limiting column, the positioning rod, the positioning block and the ejector rod are matched with one another for use, when the upper die and the lower die are attached, the limiting insert is sleeved on the outer side wall of the limiting column, and the positioning rod is inserted between the positioning block and the ejector rod, so that the upper die and the lower die are more accurate and stable in attachment, compact in structure and high in stability.

(2) The invention adopts the matching use of the positioning column, the insertion hole, the support column, the column head, the positioning groove and the spring, the positioning column is inserted in the insertion hole, so that the upper die and the lower die are more compact and stable when being attached, the support column pushes the column head to be inserted in the positioning groove, the bottom end of the column head is attached to the top end of the spring, the upper die and the lower die are more easily separated, and the processing efficiency of the spectacle lens is further improved.

(3) The invention adopts the liquid inlet pipe and the liquid outlet pipe which are communicated with the cooling pipelines with spiral disc structures arranged in the upper die and the lower die, thereby improving the cooling efficiency when the upper die and the lower die are injection molded.

(4) The method for manufacturing the spectacle lens has the advantages that the surface of the spectacle lens is firmer, wear-resistant, easier to clean, the optical performance of the spectacle lens is high, the chromatic dispersion is small, the transmittance is high, the light reflectivity is low, the visual object is clearer, the spectacle lens has stronger impact resistance, the spectacle lens is safer and more reliable to wear, the eyes are effectively protected, and the damage of external force is reduced.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the upper mold structure of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is a schematic diagram of the flow structure of the present invention.

Description of reference numerals:

the injection molding device comprises a lower die 1, an upper die 2, an injection molding port 3, a limiting insert 4, a positioning rod 5, a positioning column 6, a supporting column 7, a column head 8, an ejector rod 9, a positioning block 10, a limiting column 11, a jack 12, a forming groove 13, a positioning groove 14, a spring 15, a liquid inlet pipe 16 and a liquid outlet pipe 17.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides an eyeglass mould through improvement, as shown in figures 1-5, comprising a lower mould 1 and an upper mould 2, the periphery of the outer wall of the top of the lower mould 1 is provided with jacks 12, two sides of the outer wall of the top of the lower mould 1 are provided with two positioning slots 14, the axle center of the outer wall of the top of the lower mould 1 is provided with a forming slot 13, two sides of the outer wall of the front side of the bottom of the lower mould 1 and two sides of the outer wall of the bottom of the other side far away from the outer wall of the front side are welded with limit posts 11, the tops of the outer walls of two sides of the lower mould 1 are welded with positioning blocks 10, the center of the outer wall of one side of the lower mould 1 close to the positioning blocks 10 is provided with push rods 9 distributed in an inclined structure through bolts, and the matching use among positioning posts 6, the jacks 12, the supporting posts 7, the column heads 8, the positioning slots 14 and the springs, and pillar 7 promotes column cap 8 and pegs graft in the inside of constant head tank 14, the laminating of 8 bottoms of column cap is on the top of spring 15, make and separate more easily between last mould 2 and the bed die 1, and then the machining efficiency of lens has been promoted, it has reference column 6 all to weld all around to go up 2 bottom outer walls of mould, and reference column 6 pegs graft in the inside of jack 12, two pillars 7 have all been welded to the both sides of going up 2 bottom outer walls of mould, and the bottom welding of pillar 7 has column cap 8, pillar 7 and column cap 8 peg graft in the inside of constant head tank 14, and the welding has spring 15 on the bottom inner wall of constant head tank 14, pillar 7 promotes column cap 8 and pegs graft in the inside of constant head tank 14, the laminating of 8 bottoms of column cap is on spring 15's top, make and separate more.

Furthermore, the axle center of the outer wall of the top of the upper mold 2 is provided with an injection molding port 3, the axle center of the outer wall of the bottom of the upper mold 2 is provided with a molding block matched with the molding groove 13, and the molding block and the molding groove 13 are matched with each other, so that the spectacle lenses can be molded more conveniently.

Further, go up the both sides at 2 front outer wall tops of mould and keep away from the both sides at front outer wall opposite side outer wall top and all install spacing cutting 4 through the bolt, and spacing cutting 4 is U type structure, and spacing cutting 4 cup joints in spacing post 11 outside, and when last mould 2 and bed die 1 laminating, spacing cutting 4 cup joints on spacing post 11's lateral wall for more stable when going up mould 2 and the 1 laminating of bed die.

Further, all weld locating lever 5 on the both sides outer wall of last mould 2, and locating lever 5 pegs graft between locating piece 10 and

ejector pin

9, and 5 both sides outer walls of locating lever laminate mutually with the outer wall of locating piece 10 and ejector pin 9 respectively, and locating lever 5 pegs graft between locating piece 10 and ejector pin 9 for more accurate stability when laminating between last mould 2 and the bed die 1, compact structure, stability is high.

Further, all weld on one side outer wall of locating lever 5 and locating piece 10 and have feed liquor pipe 16 and drain pipe 17 that are upper and lower structure distribution, go up mould 2 and lower mould 1 and be close to the inside of feed liquor pipe 16 and drain pipe 17 and offer the cooling coil way that is spiral disc structure and distributes, feed liquor pipe 16 and drain pipe 17 are linked together with the cooling pipeline of the spiral disc structure of going up mould 2 and the inside seting up of lower mould 1, and then cooling efficiency when having promoted mould 2 and lower mould 1 injection moulding.

A method of making an ophthalmic lens, comprising the steps of:

A. preparing a raw material mixture;

B. injecting the raw material mixture into a mould for primary curing;

C. and coating the lens.

And further, putting the spectacle lens plated with the film in the step C into a clamp, soaking the spectacle lens in a liquid medicine for 20s, then putting the soaked spectacle lens into an oven, and carrying out heat treatment at 60 ℃ for 90 minutes, thus forming the easy-cleaning film on the spectacle lens, wherein the liquid medicine consists of 15-25 parts by weight of ethyl perfluoroisobutyl ether, 75-85 parts by weight of ethyl perfluorobutyl ether and 1-2 parts by weight of a fluorine surface treating agent.

The working principle of the invention is as follows: the manufacturing method of the spectacle lens comprises the following steps: A. preparing a raw material mixture; B. injecting the raw material mixture into a mould for primary curing; C. coating a film on the lens; the raw materials in the step A are as follows according to the weight portion: KT60A 490 parts, UV 3115 parts, UB 670.7 parts, B750.7 parts, R510.5 parts, KT60B 420 parts, KT60C 90 parts and DC 1.2 parts; after the raw materials are mixed, the raw materials are heated in a stirring pot under stirring, after the temperature reaches 40 ℃, the viscosity is tested, after the viscosity reaches 60mpa.s, the temperature is rapidly reduced to 25 ℃ by using a cold water bath under stirring, the raw materials are stored for later use, the raw material mixture is injected into a prepared mould, and the raw materials are circularly thermally cured, wherein the temperature and the time of the circular thermal curing are sequentially as follows: 20 ℃ per 2h, 35 ℃ per 5h, 50 ℃ per 7h, 60 ℃ per 1h, 90 ℃ per 2h, 130 ℃ per 1.5h, 70 ℃ per 1 h; and D, after curing is finished, cooling the mold to room temperature to obtain a lens, putting the lens coated with the film in the step C into a clamp, soaking the lens in a liquid medicine for 20s, then putting the soaked lens into an oven, and carrying out heat treatment at 60 ℃ for 90 minutes to generate an easy-cleaning film on the lens, wherein the liquid medicine consists of 15-25 parts by weight of ethyl perfluoroisobutyl ether, 75-85 parts by weight of ethyl perfluorobutyl ether and 1-2 parts by weight of a fluorine surface treating agent.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An ophthalmic lens mold, comprising: comprises a lower die (1) and an upper die (2), jacks (12) are respectively arranged on the periphery of the outer wall of the top of the lower die (1), two positioning grooves (14) are respectively arranged on the two sides of the outer wall of the top of the lower die (1), a forming groove (13) is arranged at the axle center of the outer wall of the top of the lower die (1), limit posts (11) are respectively welded on the two sides of the front outer wall of the bottom of the lower die (1) and the two sides of the outer wall of the bottom of the other side away from the front outer wall, positioning blocks (10) are respectively welded on the top of the outer walls of the two sides of the lower die (1), ejector rods (9) which are distributed in an inclined structure are arranged at the center of the outer wall of one side, close to the positioning blocks (10), positioning columns (6) are respectively welded on the periphery of the outer wall of the bottom of the upper die (2), the positioning columns (6) are inserted in, and the bottom welding of pillar (7) has column cap (8), pillar (7) and column cap (8) are pegged graft in the inside of constant head tank (14), and have spring (15) on the bottom inner wall of constant head tank (14).

2. An ophthalmic lens mold according to claim 1, wherein: an injection molding port (3) is formed in the axis of the outer wall of the top of the upper mold (2), and a molding block matched with the molding groove (13) is formed in the axis of the outer wall of the bottom of the upper mold (2).

3. An ophthalmic lens mold according to claim 1, wherein: go up the both sides at the front outer wall top of mould (2) and keep away from the both sides at front outer wall opposite side outer wall top and all install spacing cutting (4) through the bolt, and spacing cutting (4) are U type structure, the outside at spacing post (11) is cup jointed in spacing cutting (4).

4. An ophthalmic lens mold according to claim 1, wherein: positioning rods (5) are welded on the outer walls of the two sides of the upper die (2), the positioning rods (5) are inserted between the positioning blocks (10) and the ejector rods (9), and the outer walls of the two sides of each positioning rod (5) are respectively attached to the outer walls of the positioning blocks (10) and the outer walls of the ejector rods (9).

5. An ophthalmic lens mold according to claim 4, wherein: all the welding has feed liquor pipe (16) and drain pipe (17) that are structural distribution from top to bottom on one side outer wall of locating lever (5) and locating piece (10), it sets up the cooling dish way that is the distribution of spiral disc structure to go up mould (2) and bed die (1) and be close to the inside of feed liquor pipe (16) and drain pipe (17).

6. A method of making an ophthalmic lens, comprising: the method comprises the following steps:

A. preparing a raw material mixture;

B. injecting the raw material mixture into a mould for primary curing;

C. and coating the lens.

7. The method of claim 6, wherein: the raw materials in the step A are as follows according to the weight portion: KT60A 490 parts, UV 3115 parts, UB 670.7 parts, B750.7 parts, R510.5 parts, KT60B 420 parts, KT60C 90 parts and DC 1.2 parts; after the raw materials are mixed, the raw materials are heated in a stirring pot under stirring, the viscosity is tested after the temperature reaches 40 ℃, and the temperature is rapidly reduced to 25 ℃ by using a cold water bath under stirring after the viscosity reaches 60mpa.s, and the mixture is stored for later use.

8. The method of claim 6, wherein: and B, injecting the raw material mixture in the step A into a prepared mould, and circularly performing thermal curing, wherein the temperature and the time of the circular thermal curing are as follows in sequence: 20 ℃ per 2h, 35 ℃ per 5h, 50 ℃ per 7h, 60 ℃ per 1h, 90 ℃ per 2h, 130 ℃ per 1.5h, 70 ℃ per 1 h; and after the curing is finished, cooling the mold to room temperature to obtain the lens.

9. The method of claim 6, wherein: and C, putting the spectacle lens plated with the film in the step C into a clamp, soaking the spectacle lens in a liquid medicine for 20s, then putting the soaked spectacle lens into an oven, and carrying out heat treatment at 60 ℃ for 90 minutes to form the easy-cleaning film on the spectacle lens, wherein the liquid medicine comprises 15-25 parts by weight of ethyl perfluoroisobutyl ether, 75-85 parts by weight of ethyl perfluorobutyl ether and 1-2 parts by weight of a fluorine surface treating agent.