CN114379125A - Glasses decoration piece, preparation method thereof and mold for glasses decoration piece - Google Patents
Glasses decoration piece, preparation method thereof and mold for glasses decoration piece Download PDFInfo
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- CN114379125A CN114379125A CN202210061782.4A CN202210061782A CN114379125A CN 114379125 A CN114379125 A CN 114379125A CN 202210061782 A CN202210061782 A CN 202210061782A CN 114379125 A CN114379125 A CN 114379125A
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- silica gel
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- 239000011521 glass Substances 0.000 title claims abstract description 60
- 238000005034 decoration Methods 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 147
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 97
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 95
- 239000000741 silica gel Substances 0.000 claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000000748 compression moulding Methods 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 22
- 238000004073 vulcanization Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 15
- 239000000654 additive Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 13
- 239000004595 color masterbatch Substances 0.000 claims description 13
- 230000002195 synergetic effect Effects 0.000 claims description 13
- 229920000459 Nitrile rubber Polymers 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 239000012744 reinforcing agent Substances 0.000 claims description 8
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 abstract description 27
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 12
- 229920006122 polyamide resin Polymers 0.000 description 10
- 239000011256 inorganic filler Substances 0.000 description 7
- 229910003475 inorganic filler Inorganic materials 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 6
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 229920002545 silicone oil Polymers 0.000 description 6
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 2
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 description 2
- YOUYWVQGYBDAKE-UHFFFAOYSA-N formyloxy formate Chemical compound O=COOC=O YOUYWVQGYBDAKE-UHFFFAOYSA-N 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000003878 thermal aging Methods 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 description 1
- CGLVZFOCZLHKOH-UHFFFAOYSA-N 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazine Chemical compound CCN1C2=CC=CC=C2C2=C1C=C1OC3=C(Cl)C4=NC(C=C5C6=CC=CC=C6N(C5=C5)CC)=C5OC4=C(Cl)C3=NC1=C2 CGLVZFOCZLHKOH-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- SUXCALIDMIIJCK-UHFFFAOYSA-L disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(N=NC3=CC=C(C=C3C)C=3C=C(C(=CC=3)N=NC=3C(=C4C=CC=CC4=C(C=3)S([O-])(=O)=O)N)C)=CC(S([O-])(=O)=O)=C21 SUXCALIDMIIJCK-UHFFFAOYSA-L 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D12/00—Producing frames
- B29D12/02—Spectacle frames
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Eyeglasses (AREA)
Abstract
The invention relates to the technical field of silica gel products, in particular to a glasses decoration part, a preparation method thereof and a mold for the glasses decoration part. The preparation method comprises the following steps: (1) preparing a mold for a glasses decoration; (2) placing the pre-forming plate between the lower template and the upper template, respectively placing the first color silica gel material and the second color silica gel material in the first material groove and the second material groove, and curing and forming; after the preformed plate is taken out, respectively reserving the first color silica gel material and the second color silica gel material in the first placing groove and the second placing groove; (3) and placing the middle plate above the lower template, placing a third color silica gel material in a third trough, closing the mould, and performing compression molding on the three silica gel materials. The preparation method can form three colors of the glasses decorating part, has simple process, convenient control and high production efficiency, and is beneficial to industrialized mass production; the glasses decoration piece can form a colorful three-dimensional shape, parts with different colors are tightly combined and not easy to separate, and the boundary among different colors is clear.
Description
Technical Field
The invention relates to the technical field of silica gel products, in particular to a glasses decoration part, a preparation method thereof and a mold for the glasses decoration part.
Background
In the present stage, people have more and more demand and dependence on glasses, various glasses such as myopic glasses, sunglasses and presbyopic glasses gradually become indispensable articles for many people, the glasses usually comprise lenses and a frame, and the decorating parts of the frame need to have different colors.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the preparation method of the glasses decorating part, which can form three colors of the glasses decorating part, has simple process, convenient control and high production efficiency and is beneficial to industrial mass production; the manufactured glasses decorating part can form a colorful three-dimensional shape, parts with different colors are tightly combined and are not easy to separate, and the boundary among different colors is clear.
The invention also provides a mold for the glasses decoration part, which is simple in structure and convenient to use, and can be used for molding three colors of the glasses decoration part, the different color parts are tightly combined, and the practicability is high.
In order to solve the technical problems, the invention adopts the following technical scheme: a method of making an eyeglass trim comprising the steps of:
(1) preparing a mold for the glasses decoration, wherein the mold for the glasses decoration comprises a lower template, an upper template, a middle plate and a pre-forming plate, a first material groove and a second material groove are respectively formed in the lower end face and the upper end face of the pre-forming plate, a third material groove penetrating through the upper surface and the lower surface of the middle plate is formed in the middle plate, a first placing groove corresponding to the first material groove is formed in the upper end face of the lower template, and a second placing groove corresponding to the second material groove is formed in the lower end face of the upper template;
(2) placing a preformed plate between a lower template and an upper template, separating the lower template and the upper template by the preformed plate, and respectively placing a first color silica gel material and a second color silica gel material in a first material groove and a second material groove of the preformed plate; curing and molding the first color silica gel material and the second color silica gel material, and then taking out the preformed plate from the lower template and the upper template; after the preformed plate is taken out, respectively reserving the cured and molded first color silica gel material and the cured and molded second color silica gel material in a first placing groove of the lower template and a second placing groove of the lower template;
(3) placing the middle plate above the lower template, placing a third color silica gel material in a third trough of the middle plate, closing the upper template and the lower template, bonding the third color silica gel material with the first color silica gel material and the second color silica gel material, and performing compression molding to obtain the glasses decoration.
Further, in the step (2), the curing and molding temperature is 160-.
Further, in the step (3), the vulcanization molding temperature is 160-.
According to the preparation method of the glasses decoration, the steps are adopted, the first vulcanization is firstly carried out on the first color silica gel material and the second color silica gel material, the first color silica gel material and the second color silica gel material are solidified and formed, and then the first vulcanization is carried out after the first vulcanization and the second vulcanization are respectively bonded with the third color silica gel material. The first color silicon rubber material, the second color silicon rubber material and the third color silicon rubber material have basically the same raw material composition except for the difference of the adopted color master batches, and the first color silicon rubber material, the second color silicon rubber material and the third color silicon rubber material can be tightly combined. The preparation method can form three colors of the glasses decoration part, has simple process, convenient control and high production efficiency, and is beneficial to industrialized mass production; the produced glasses decoration piece can form a colorful three-dimensional shape, parts with different colors are tightly combined and are not easy to separate, and the different colors have clear boundaries and are not mixed.
Further, the first color silica gel material, the second color silica gel material and the third color silica gel material all comprise the following raw materials in parts by weight: 90-110 parts of silicone rubber base material, 20-30 parts of reinforcing agent, 6-12 parts of nitrile rubber, 5-9 parts of inorganic filler, 2-4 parts of vulcanizing agent, 1-3 parts of silane coupling agent, 1-6 parts of color master batch, 1-2 parts of lubricant and 6-12 parts of synergistic additive. The color master batch of the third color silicon rubber material is different from that of the first color silicon rubber material and the second color silicon rubber material; the masterbatches of the first color silicone gum and the second color silicone gum may be the same. The color master batch comprises pigments, wherein the pigments comprise phthalocyanine red, phthalocyanine blue, phthalocyanine green, fast scarlet, macromolecular red, macromolecular yellow, permanent violet, azoic red and the like, and can be selected according to actual coloring requirements. The nitrile rubber is nitrile rubber NBR 1704. According to the invention, the raw materials are compounded, so that the first color silica gel material, the second color silica gel material and the third color silica gel material have excellent mechanical properties and aging resistance, and the service life of the glasses decoration is prolonged.
Further, the silicon rubber base material is methyl vinyl silicon rubber. The methyl vinyl silicone rubber has vinyl chain unit mole fraction of 0.21-0.24% and molecular weight of 46-55 ten thousand. By adopting the methyl vinyl silicone rubber to be matched with other raw materials, the silicone rubber material has good high-temperature and low-temperature resistance, good aging resistance and ozone resistance and excellent mechanical property.
Further, the silane coupling agent is at least one of vinyl tri (beta-methoxyethoxy) silane, gamma-glycidoxypropyltrimethoxysilane and vinyl trimethoxysilane. The vulcanizing agent is at least one of tert-butyl perbenzoate, di-tert-butyl peroxide and formyl peroxide.
Further, the inorganic filler is at least one of nano zinc oxide, nano calcium carbonate and nano titanium dioxide. The lubricant is at least one of zinc stearate and magnesium stearate. The reinforcing agent is fumed silica.
Further, each part of the synergistic additive comprises the following raw materials in parts by weight: 10-15 parts of bisphenol A type epoxy resin, 6-10 parts of dimethyl hydroxy silicone oil, 6-10 parts of hydroxyethyl cellulose and 4-8 parts of polyamide resin. The synergistic additive is prepared by compounding the bisphenol A epoxy resin, the dimethyl hydroxyl silicone oil, the hydroxyethyl cellulose and the polyamide resin, and is beneficial to improving the mechanical property and the aging resistance of the silica gel material, so that the service life of the glasses decoration is further prolonged. The bisphenol A type epoxy resin is bisphenol A type epoxy resin E-44. The polyamide resin is preferably polyamide resin 66.
The invention also provides a mold for the glasses decoration, which comprises a lower template, an upper template, a middle plate and a preforming plate, wherein when the mold is used, one of the middle plate and the preforming plate is arranged between the upper template and the lower template, and the middle plate and the preforming plate can be replaced with each other; when the middle plate or the preformed plate is used, the upper end of the middle plate or the preformed plate is connected with the upper template, the lower end of the middle plate or the preformed plate is connected with the lower template, a first material groove and a second material groove are respectively arranged on the lower end face and the upper end face of the preformed plate, and a third material groove penetrating through the upper surface and the lower surface of the middle plate is arranged on the middle plate; and a first placing groove corresponding to the first trough is arranged on the upper end surface of the lower template. And a second placing groove corresponding to the second trough is arranged on the lower end surface of the upper template.
Furthermore, the lower template comprises two bosses which are respectively arranged at two ends of the lower template and protrude upwards and a depressed part arranged between the two bosses.
Furthermore, the middle part of the lower end face of the preformed plate is provided with a lower convex part protruding downwards, the first trough is arranged on the lower convex part, the lower convex part is embedded in the concave part, and the upper ends of the two bosses are connected with the lower end face of the preformed plate.
Furthermore, an inserting portion protruding upwards and extending out of the bottom of the recessed portion is arranged in the recessed portion, a first inserting groove used for being inserted into the inserting portion is arranged in the lower protruding portion, the first placing groove is arranged in the inserting portion, and the first material groove is arranged in the first inserting groove.
Further, the medium plate is used for inlaying in the depressed part, and the upper end of two bosss all is connected with the lower terminal surface of cope match-plate pattern.
Furthermore, a plug-in part protruding upwards and extending out of the bottom of the recessed part is arranged in the recessed part, a second plug-in groove used for being plugged with the plug-in part is arranged on the lower end face of the middle plate, the first placing groove is arranged in the plug-in part, and the third trough is arranged in the second plug-in groove.
Furthermore, the number of the first material groove, the second material groove and the third material groove is multiple, and the number of the first material groove, the second material groove and the third material groove is equal.
The invention also provides a glasses decoration piece which is prepared by the preparation method of the glasses decoration piece.
The invention has the beneficial effects that: the preparation method of the glasses decoration part can form three colors of the glasses decoration part, has simple process, convenient control and high production efficiency, and is beneficial to industrial mass production; the manufactured glasses decorating part can form a colorful three-dimensional shape, parts with different colors are tightly combined and are not easy to separate, and the boundary among different colors is clear. The mold for the glasses decoration part has the advantages of simple structure, convenience in use, capability of forming three colors of the glasses decoration part, tight combination of different color parts and strong practicability.
Drawings
Fig. 1 is an exploded view of a mold for a decorative member for glasses according to the present invention.
Fig. 2 is a perspective view of a preform sheet of the present invention.
Fig. 3 is a perspective view of the present eyeglass decorative part.
The reference numerals include:
1-lower template, 11-boss, 12-recess, 13-plug part, 14-limiting fixture block, 2-middle plate, 21-third trough, 22-limiting trough, 3-preformed plate, 31-lower protrusion, 32-first trough, 33-second trough, 34-first plug-in trough, and 4-upper template.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Example 1
As shown in fig. 1-2, a mold for an eyeglass decoration comprises a lower template 1, an upper template 4, a middle plate 2 and a pre-forming plate 3, wherein when the mold is used, one of the middle plate 2 and the pre-forming plate 3 is arranged between the upper template 4 and the lower template 1, and the middle plate 2 and the pre-forming plate 3 can be replaced with each other; when the middle plate 2 or the preformed plate 3 is used, the upper end of the middle plate 2 or the preformed plate 3 is connected with the upper die plate 4, the lower end of the middle plate 2 or the preformed plate 3 is connected with the lower die plate 1, a first trough 32 and a second trough 33 are respectively arranged on the lower end face and the upper end face of the preformed plate 3, and the middle plate 2 is provided with a third trough 21 penetrating through the upper surface and the lower surface of the middle plate 2.
The mold for the eyeglass decoration of the present embodiment includes a lower mold plate 1, an upper mold plate 4, a middle plate 2, and a preform plate 3. The mold is divided into four plates. When in use, firstly, the middle plate 2 is placed aside without being placed in a mould; placing a preformed plate 3 between a lower template 1 and an upper template 4, separating the lower template 1 and the upper template 4 by the preformed plate 3, respectively placing sizing materials with different colors on the upper end surface and the lower end surface of the preformed plate 3, wherein the sizing materials are silica gel materials and are respectively marked as a first color silica gel material and a second color silica gel material, heating the two colors of silica gel materials to be cured, taking out the preformed plate 3 and placing the preformed plate aside, and forming two parts by using the first color silica gel material and the second color silica gel material to be respectively left in the upper template 4 and the lower template 1 and cannot be taken out; finally, the middle plate 2 is placed on the lower template 1, the third color silica gel material is placed in the third trough 21 of the middle plate 2, the middle plate, the first color silica gel material, the second color silica gel material and the third color silica gel material are bonded into a whole through die assembly, and the silica gel materials of the three colors are the same, so that the formed component parts of the glasses decoration part with the three different colors are connected firmly, and the separation phenomenon cannot occur.
Further, a first placing groove corresponding to the first trough 32 is arranged on the upper end surface of the lower template 1. And a second placing groove corresponding to the second trough 33 is arranged on the lower end surface of the upper template 4. Due to the arrangement of the structure, the preformed plate 3 is taken out after the first color silica gel material and the second color silica gel material are cured, so that the first color silica gel material and the second color silica gel material are formed into two parts to be respectively remained in the upper template 4 and the lower template 1, and the use is convenient.
Further, the lower template 1 includes two bosses 11 respectively disposed at two ends of the lower template 1 and protruding upward, and a recess 12 disposed between the two bosses 11. The longitudinal section of the lower template 1 is in a concave shape, so that the lower template 1 is combined with the middle plate 2 and the preforming plate 3 stably, and the use is convenient and reliable.
Further, the middle part of the lower end face of the preformed plate 3 is provided with a downward protruding part 31, the first trough 32 is arranged on the downward protruding part 31, the downward protruding part 31 is embedded in the recessed part 12, and the upper ends of the two bosses 11 are connected with the lower end face of the preformed plate 3. The concave part 12 is internally provided with an inserting part 13 which protrudes upwards to the bottom of the concave part 12, the lower convex part 31 is internally provided with a first inserting groove 34 which is used for being inserted with the inserting part 13, the first placing groove is arranged in the inserting part 13, and the first trough 32 is arranged in the first inserting groove 34. The lower end face of the preform plate 3 may abut against the lower end face of the upper die plate 4 when in use. Due to the arrangement of the structure, the lower convex part 31 and the concave part 12 can be well matched, the first trough 32 and the first placing groove are aligned accurately, and the preforming plate 3 and the lower template 1 are combined stably.
Further, the middle plate 2 is embedded in the concave portion 12, and the upper ends of the two bosses 11 are connected with the lower end surface of the upper die plate 4. The middle plate 2 is provided with a first groove 21 and a second groove 13, the first groove 13 is arranged in the concave portion 12, the second groove is used for being connected with the concave portion 12 in an inserting mode, the third groove is arranged in the second groove, and the second groove is used for being connected with the concave portion 13 in an inserting mode. Specifically, the upper end surface of the middle plate 2 is flush with the upper end surfaces of the two bosses 11, and the upper end surface of the middle plate 2 abuts against the lower end surface of the upper template 4 in use. Because the setting of above-mentioned structure, in well cooperation can be realized with depressed part 12 to well middle plate 2 can inlay and locate depressed part 12, is difficult for breaking away from in the depressed part 12, and first standing groove and third silo 21 counterpoint the accuracy, and middle plate 2 and lower bolster 1 combine firmly.
Further, the number of the first trough 32, the second trough 33 and the third trough 21 is multiple, and the number of the first trough 32, the second trough 33 and the third trough 21 is equal.
Furthermore, one side of one boss 11 close to the recessed portion 12 is provided with a limiting clamping block 14 protruding towards the recessed portion 12, and the middle plate 2 is provided with a limiting clamping groove 22 for clamping with the limiting protrusion. Middle plate 2 is accurate with 1 counterpoint of lower bolster, and middle plate 2 is difficult for taking place the skew with lower bolster 1 during the use.
In this embodiment, a method for manufacturing a glasses decoration using the mold for glasses decoration includes the steps of:
(1) preparing a mold for a glasses decoration, wherein the mold for the glasses decoration comprises a lower template 1, an upper template 4, a middle plate 2 and a pre-forming plate 3, a first material groove 32 and a second material groove 33 are respectively arranged on the lower end surface and the upper end surface of the pre-forming plate 3, the middle plate 2 is provided with a third material groove 21 penetrating through the upper surface and the lower surface of the middle plate 2, the upper end surface of the lower template 1 is provided with a first placing groove corresponding to the first material groove 32, and the lower end surface of the upper template 4 is provided with a second placing groove corresponding to the second material groove 33;
(2) placing a preformed plate 3 between a lower template 1 and an upper template 4, separating the lower template 1 and the upper template 4 by the preformed plate 3, and respectively placing a first color silica gel material and a second color silica gel material in a first trough 32 and a second trough 33 of the preformed plate 3; curing and molding the first color silica gel material and the second color silica gel material, and then taking the preformed plate 3 out of the lower template 1 and the upper template 4; after the pre-formed plate 3 is taken out, respectively leaving the cured and formed first color silica gel material and the second color silica gel material in the first placing groove of the lower template 1 and the second placing groove of the lower template 1;
(3) placing the middle plate 2 above the lower template 1, placing a third color silica gel material in a third trough 21 of the middle plate 2, closing the upper template 4 and the lower template 1, bonding the third color silica gel material with the first color silica gel material and the second color silica gel material, and performing compression molding to obtain the glasses decoration. The glasses decoration piece can also be subjected to post-treatment such as trimming and oiling.
By adopting the steps, the preparation method of the glasses decoration part can form three colors of the glasses decoration part, the parts with different colors are well defined, tight combination is realized without color cross, separation is not easy, the use is convenient, the production efficiency is high, the structure is simple, the practicability is strong, the structure diagram of the prepared glasses decoration part is shown in figure 3, the structure diagram of the glasses decoration part comprises a first color part, a third color part and a second color part which are well defined and tightly connected, the first color part, the third color part and the second color part are sequentially arranged from bottom to top, the prepared glasses decoration part can form a colorful three-dimensional shape, the parts with different colors are tightly combined and are not easy to separate, and the boundary between different colors is well defined.
Example 2
The present embodiment is different from embodiment 1 in that: in this embodiment, in the step (2), the curing and molding temperature is 165 ℃, the curing and molding time is 90s, and the pressure is 120 kg.
Further, in the step (3), the vulcanization molding temperature is 165 ℃, the vulcanization molding time is 60s, and the vulcanization molding pressure is 100 kg.
Further, the first color silica gel material, the second color silica gel material and the third color silica gel material all comprise the following raw materials in parts by weight: 100 parts of silicone rubber base material, 25 parts of reinforcing agent, 8 parts of nitrile rubber, 6 parts of inorganic filler, 3 parts of vulcanizing agent, 2 parts of silane coupling agent, 2 parts of color master batch, 1.5 parts of lubricant and 8 parts of synergistic additive. The color of the color master batches of the third-color silica gel material, the first-color silica gel material and the second-color silica gel material is different. The nitrile rubber is nitrile rubber NBR 1704. The reinforcing agent is fumed silica.
Further, the silicon rubber base material is methyl vinyl silicon rubber. The methyl vinyl silicone rubber has vinyl chain unit mole fraction of 0.21-0.24% and molecular weight of 46-55 ten thousand. The silane coupling agent is composed of vinyl tri (beta-methoxyethoxy) silane and gamma-glycidyl ether oxypropyl trimethoxy silane according to the mass ratio of 1: 2. The vulcanizing agent is composed of tert-butyl perbenzoate and di-tert-butyl peroxide according to the mass ratio of 1: 1.
Further, the inorganic filler is composed of nano zinc oxide, nano calcium carbonate and nano titanium dioxide according to the mass ratio of 2:2: 1. The lubricant is zinc stearate.
Further, each part of the synergistic additive comprises the following raw materials in parts by weight: 12 parts of bisphenol A epoxy resin, 8 parts of dimethyl hydroxy silicone oil, 8 parts of hydroxyethyl cellulose and 6 parts of polyamide resin. The bisphenol A type epoxy resin is bisphenol A type epoxy resin E-44. The polyamide resin is preferably polyamide resin 66. The rest of this embodiment is similar to embodiment 1, and is not described herein again.
Example 3
The present embodiment is different from embodiment 2 in that: in this embodiment, in the step (2), the curing and forming temperature is 160 ℃, the curing and forming time is 70s, and the pressure is 140 kg.
Further, in the step (3), the vulcanization molding temperature is 160 ℃, the vulcanization molding time is 70s, and the vulcanization molding pressure is 120 kg.
Further, the first color silica gel material, the second color silica gel material and the third color silica gel material all comprise the following raw materials in parts by weight: 90 parts of silicone rubber base material, 20 parts of reinforcing agent, 6 parts of nitrile rubber, 5 parts of inorganic filler, 2 parts of vulcanizing agent, 1 part of silane coupling agent, 3 parts of color master batch, 1 part of lubricant and 6 parts of synergistic additive. The color of the color master batches of the third-color silica gel material, the first-color silica gel material and the second-color silica gel material is different.
Further, the silane coupling agent is composed of gamma-glycidoxypropyltrimethoxysilane and vinyltrimethoxysilane according to the mass ratio of 1: 1. The vulcanizing agent is composed of tert-butyl perbenzoate and formyl peroxide according to the mass ratio of 3: 1.
Further, each part of the synergistic additive comprises the following raw materials in parts by weight: 10 parts of bisphenol A epoxy resin, 6 parts of dimethyl hydroxyl silicone oil, 6 parts of hydroxyethyl cellulose and 4 parts of polyamide resin. The rest of this embodiment is similar to embodiment 2, and is not described herein again.
Example 4
The present embodiment is different from embodiment 2 in that: in this embodiment, in the step (2), the curing and forming temperature is 170 ℃, the curing and forming time is 50s, and the pressure is 100 kg.
Further, in the step (3), the vulcanization molding temperature is 170 ℃, the vulcanization molding time is 50s, and the vulcanization molding pressure is 90 kg.
Further, the first color silica gel material, the second color silica gel material and the third color silica gel material all comprise the following raw materials in parts by weight: 110 parts of silicon rubber base material, 30 parts of reinforcing agent, 12 parts of nitrile rubber, 9 parts of inorganic filler, 4 parts of vulcanizing agent, 3 parts of silane coupling agent, 6 parts of color master batch, 2 parts of lubricating agent and 12 parts of synergistic additive. The color of the color master batches of the third-color silica gel material, the first-color silica gel material and the second-color silica gel material is different. Each part of the synergistic additive comprises the following raw materials in parts by weight: 15 parts of bisphenol A epoxy resin, 10 parts of dimethyl hydroxyl silicone oil, 10 parts of hydroxyethyl cellulose and 8 parts of polyamide resin. The rest of this embodiment is similar to embodiment 2, and is not described herein again.
Example 5
The present embodiment is different from embodiment 2 in that: the first color silica gel material, the second color silica gel material and the third color silica gel material comprise the following raw materials in parts by weight: 100 parts of silicone rubber base material, 22 parts of reinforcing agent, 8 parts of nitrile rubber, 7 parts of inorganic filler, 3 parts of vulcanizing agent, 2 parts of silane coupling agent, 4 parts of color master batch, 1.5 parts of lubricant and 10 parts of synergistic additive. The color of the color master batches of the third-color silica gel material, the first-color silica gel material and the second-color silica gel material is different. Each part of the synergistic additive comprises the following raw materials in parts by weight: 11 parts of bisphenol A type epoxy resin, 7 parts of dimethyl hydroxy silicone oil, 8 parts of hydroxyethyl cellulose and 5 parts of polyamide resin. The rest of this embodiment is similar to embodiment 2, and is not described herein again.
Comparative example 1
The present embodiment is different from embodiment 2 in that: in the comparative example, the first color silica gel material, the second color silica gel material and the third color silica gel material do not contain a synergistic additive, and the ratio of the rest raw materials is the same as that of the example 2. The rest of this embodiment is similar to embodiment 2, and is not described herein again.
The mechanical physical properties and aging resistance of the eyeglass decorative parts prepared in the above examples 2 to 5 and comparative example 1 were tested, wherein the aging resistance test was performed according to the GB/T7141-92 thermal aging test standard, each test sample was placed in a thermal aging test box at a test temperature of 95 ℃ and a test box wind speed of 0.8m/s, and the time for the initial appearance of an aging crack on the surface of the sample was recorded; hardness test according to ASTT T2240-05; the rebound resilience test was as per ASTT T7121-2005. Tear strength test as per ASTT T624; tensile strength and elongation at break tests according to ASTT T412, the test results are as follows:
the preparation method of the glasses decoration part can form three colors of the glasses decoration part, has simple process, convenient control and high production efficiency, and is beneficial to industrial mass production; the manufactured glasses decorating part can form a colorful three-dimensional shape, parts with different colors are tightly combined and are not easy to separate, and the boundary among different colors is clear. The mold for the glasses decoration part has the advantages of simple structure, convenience in use, capability of forming three colors of the glasses decoration part, tight combination of different color parts and strong practicability.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A preparation method of the glasses decoration is characterized in that: the method comprises the following steps:
(1) preparing a mold for the glasses decoration, wherein the mold for the glasses decoration comprises a lower template, an upper template, a middle plate and a pre-forming plate, a first material groove and a second material groove are respectively formed in the lower end face and the upper end face of the pre-forming plate, a third material groove penetrating through the upper surface and the lower surface of the middle plate is formed in the middle plate, a first placing groove corresponding to the first material groove is formed in the upper end face of the lower template, and a second placing groove corresponding to the second material groove is formed in the lower end face of the upper template;
(2) placing a preformed plate between a lower template and an upper template, separating the lower template and the upper template by the preformed plate, and respectively placing a first color silica gel material and a second color silica gel material in a first material groove and a second material groove of the preformed plate; curing and molding the first color silica gel material and the second color silica gel material, and then taking out the preformed plate from the lower template and the upper template; after the preformed plate is taken out, respectively reserving the cured and molded first color silica gel material and the cured and molded second color silica gel material in a first placing groove of the lower template and a second placing groove of the lower template;
(3) placing the middle plate above the lower template, placing a third color silica gel material in a third trough of the middle plate, closing the upper template and the lower template, bonding the third color silica gel material with the first color silica gel material and the second color silica gel material, and performing compression molding to obtain the glasses decoration.
2. A method of preparing an eyeglass decorative piece according to claim 1, wherein: in the step (2), the curing and molding temperature is 160-170 ℃, the curing and molding time is 50-70s, and the pressure is 100-140 kg.
3. A method of preparing an eyeglass decorative piece according to claim 1, wherein: in the step (3), the vulcanization molding temperature is 160-170 ℃, the vulcanization molding time is 50-70s, and the vulcanization molding pressure is 80-120 kg.
4. A method of preparing an eyeglass decorative piece according to claim 1, wherein: the first color silica gel material, the second color silica gel material and the third color silica gel material all comprise the following raw materials in parts by weight: 90-110 parts of silicone rubber base material, 20-30 parts of reinforcing agent, 6-12 parts of nitrile rubber, 2-4 parts of silane coupling agent, 1-3 parts of vulcanizing agent, 1-6 parts of color master batch and 6-12 parts of synergistic additive.
5. The utility model provides a mould for glasses decoration which characterized in that: the middle plate and the preforming plate can be replaced with each other when the die is used; when the middle plate or the preformed plate is used, the upper end of the middle plate or the preformed plate is connected with the upper template, the lower end of the middle plate or the preformed plate is connected with the lower template, a first material groove and a second material groove are respectively arranged on the lower end face and the upper end face of the preformed plate, and a third material groove penetrating through the upper surface and the lower surface of the middle plate is arranged on the middle plate; and a first placing groove corresponding to the first trough is arranged on the upper end surface of the lower template. And a second placing groove corresponding to the second trough is arranged on the lower end surface of the upper template.
6. A method of preparing an eyeglass decorative piece according to claim 1, wherein: the lower template comprises two bosses which are respectively arranged at two ends of the lower template and protrude upwards and a depressed part arranged between the two bosses.
7. A method of preparing an eyeglass decorative piece according to claim 6, wherein: the middle part of the lower end face of the preformed plate is provided with a lower convex part protruding downwards, the first trough is arranged on the lower convex part, the lower convex part is used for being embedded in the concave part, and the upper ends of the two bosses are connected with the lower end face of the preformed plate.
8. A method of preparing an eyeglass decorative piece according to claim 6, wherein: the medium plate is used for being embedded in the concave part, and the upper ends of the two bosses are connected with the lower end face of the upper die plate.
9. A method of preparing an eyeglass decorative piece according to claim 1, wherein: the quantity of first silo, second silo and third silo is a plurality of, the quantity of first silo, second silo and third silo equals.
10. An eyeglass decoration, comprising: made by a method of manufacturing the eyeglass decorative part of any one of claims 1 to 4.
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| CN202210061782.4A CN114379125B (en) | 2022-01-19 | 2022-01-19 | Spectacle decorating part, preparation method thereof and mould for spectacle decorating part |
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| CN208392486U (en) * | 2018-06-28 | 2019-01-18 | 厦门淳诚工贸有限公司 | Spectacles nose holder gel-injection mould |
| CN113524546A (en) * | 2021-08-19 | 2021-10-22 | 柳州环球汽车内饰件有限公司 | Mold structure of automobile hat rack and production process of automobile hat rack |
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| EP0805019A1 (en) * | 1996-04-30 | 1997-11-05 | Horikawa Co., Ltd. | Method of manufacturing a multicolored molded plastic product for eyeglasses having a stereographic pattern |
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| CN114379125B (en) | 2023-11-17 |
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