CN112123642A - Production process of silica gel mold - Google Patents
Production process of silica gel mold Download PDFInfo
- Publication number
- CN112123642A CN112123642A CN202010948245.2A CN202010948245A CN112123642A CN 112123642 A CN112123642 A CN 112123642A CN 202010948245 A CN202010948245 A CN 202010948245A CN 112123642 A CN112123642 A CN 112123642A
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- Prior art keywords
- silica gel
- mold
- layer
- manufacturing
- seeds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000000741 silica gel Substances 0.000 title claims abstract description 96
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims abstract description 14
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 11
- 239000010440 gypsum Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 230000001680 brushing effect Effects 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000004615 ingredient Substances 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a silica gel mold manufacturing process, which comprises the following steps: 1) fixing the mold seeds and splitting the mold; 2) piling oil sludge; 3) punching a clamping tenon; 4) spraying a release agent; 5) silica gel batching is carried out; 6) pumping the ingredients; 7) brushing silica gel and finishing; 8) making an outer mold by using gypsum; 9) cleaning oil sludge; 10) correcting the silica gel mold; 11) spraying a release agent; 12) removing the mold; 13) checking and finishing; 14) obtaining the silica gel mold. The invention has the advantages of simple operation and low cost, simplifies the operation, improves the working efficiency, and simultaneously can effectively prevent the silica gel from cracking, improve the high temperature resistance, the corrosion resistance and the tearing resistance through the process, ensure high surface flatness and better integral quality.
Description
Technical Field
The invention relates to a mold production process, in particular to a silica gel mold production process.
Background
At present, a silica gel mold is special mold glue for manufacturing artware, and the silica gel has the characteristics of high temperature resistance, corrosion resistance and strong tearing resistance. Then, the existing production process of the silica gel mold is not complete enough, and in the actual production process, the quality of the produced silica gel mold cannot be guaranteed, and the local hardening phenomenon is easy to occur, so that the surface flatness of the silica gel mold is poor, and the product quality and the production efficiency of the silica gel mold are finally affected.
CN104943039A discloses an invention patent application entitled "a method for manufacturing a silica gel mold", which includes the steps of: (1) according to the silica gel: curing agent: silicone oil: color paste: polyphenyl particle 100: 3-3.5: 2-5: 0.2-0.4: 0.5-2.5 weight ratio of raw materials for producing the die; (2) putting the silica gel into a plastic basin; (3) adding silicone oil, color paste and polyphenyl granules into a plastic basin, uniformly stirring with silica gel, and standing for 2-5 minutes; (3) adding a curing agent into a plastic basin for mixing and fully and uniformly stirring; (4) adding silica gel diluent until the mixture is uniformly mixed; (5) foaming for 1-3 minutes under negative pressure; (6) before the mold is not cured, coating a release agent on the surface of a bendable plate with the same size as the plane of the mold, drying the bendable plate in the air, pressing the bendable plate on the mold, and rolling the plate by using a roller to directly flatten the silica gel mold; (7) and pressing the silica gel mold by adopting a plate, and directly stopping demolding.
Although the patent discloses a manufacturing method of a silica gel mold, the manufacturing process of the method is still not complete enough, the manufactured silica gel mold still has the problems of poor surface flatness, easy cracking of the mold and the like, and the product quality cannot be ensured.
CN107415105A discloses an invention patent application named as a method for manufacturing a silica gel mold, which adopts the steps that 3% of ceramic aggregate is added after iron and tungsten are melted and is melted, the added ceramic aggregate can enhance the overall performance of a bottom plate, the processed mold is heated to 750 ℃, the temperature is kept for 4 hours, then tempering at 450 ℃ is carried out, the temperature is kept for 1.5 hours, the temperature is cooled to 95 ℃, the process is repeated for 3 times, the mold steel comprises the components of carbon, silicon, nickel, copper, manganese, molybdenum, chromium, titanium, zirconium, sulfur, phosphorus, rhenium, scandium and iron, silica gel diluent is added until the components are uniformly mixed, the time is 4 minutes, and the thickness of the glass fiber reinforced plastic mold shell is 0.7 mm.
Although this patent discloses a method for manufacturing a silicone mold, this method has problems of complicated manufacturing, complicated operation, and high cost.
Disclosure of Invention
The invention aims to provide a production process of a silica gel mold, which is convenient to operate and has good product quality.
The invention aims to realize the technical scheme that the manufacturing process of the silica gel mold comprises the following steps: 1) fixing the mold seeds and splitting the mold; 2) piling oil sludge; 3) punching a clamping tenon; 4) spraying a release agent; 5) silica gel batching is carried out; 6) pumping the ingredients; 7) brushing silica gel and finishing; 8) making an outer mold by using gypsum; 9) cleaning oil sludge; 10) correcting the silica gel mold; 11) spraying a release agent; 12) removing the mold; 13) checking and finishing; 14) obtaining the silica gel mold.
In the step 1), mold seeds are fixed on the wood board by glue, A, B two sheet molds are separated according to products, and the mold line of the mold is positioned at the highest point of the mold seeds.
In order to facilitate die assembly, the die is placed to be staggered, the part below the die lines of the A, B two die sheets is fully piled with oil sludge, and after the part is fully piled, clamping tenons are uniformly punched, and the clamping tenons are separated from the die by at least one centimeter.
In order to enable the silica gel to reach a certain hardness, in the step 5), 2-5% of a hardening agent is added into the silica gel according to the weight ratio, and the mixture is uniformly stirred.
In order to prevent bubbles and improve the quality, the silica gel which is added with the hardening agent and stirred uniformly is put into a vacuum box to be vacuumized, and the vacuum is pumped to-0.1 mpa.
Further, in the step 7), the silica gel is uniformly coated on the mold seed at least three times, after the first layer of silica gel is solidified, the second layer of silica gel is coated, and when the second layer of silica gel does not flow, the third layer of silica gel is uniformly coated.
In order to enhance the hardness and the tearing resistance of the silica gel, the thickness of the first layer of silica gel is not less than 1mm, so as to cover the mold seeds and the oil sludge; the height of the second layer of silica gel is 6 to 8 percent higher than that of the first layer of silica gel; and pasting a layer of gauze on the second layer of silica gel.
In order to fix the shape, the gypsum powder is added with water and stirred, after uniform stirring, the prepared gypsum is poured on a mould, and the outer mould is arranged after semi-drying.
By adopting the technical scheme, the invention has the advantages of simple and convenient operation and low cost, simplifies the operation, improves the working efficiency, and simultaneously can effectively prevent the silica gel from cracking, improve the high temperature resistance, corrosion resistance and tearing resistance, ensure high surface flatness and better overall quality.
Detailed Description
The following is a detailed description of the embodiments of the present invention, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments are included in the scope of the present invention as claimed in the claims.
Example 1: a silica gel mold manufacturing process comprises the following steps: 1) fixing the mold seeds and splitting the mold; 2) piling oil sludge; 3) punching a clamping tenon; 4) spraying a release agent; 5) silica gel batching is carried out; 6) pumping the ingredients; 7) brushing silica gel and finishing; 8) making an outer mold by using gypsum; 9) cleaning oil sludge; 10) correcting the silica gel mold; 11) spraying a release agent; 12) removing the mold; 13) checking and finishing; 14) Obtaining the silica gel mold.
In the invention, in order to simplify the operation steps and the process, in the step 1), mold seeds are fixed on the wood board by glue, A, B sheet molds are separated according to the product, and the mold line of the mold is positioned at the highest point of the mold seeds. By dividing into A, B two sheet dies for manufacturing, the complexity of operation can be effectively simplified, and the working efficiency is improved.
In order to facilitate die assembly, in the step 2) and the step 3), the part below the die line of the A, B two die sheets is fully piled with oil sludge, and after the part is fully piled, clamping tenons are uniformly punched, and the clamping tenons are separated from the dies by at least one centimeter. By doing so, the mould can effectively prevent the occurrence of dislocation phenomenon when being assembled, and the quality of products is improved.
In order to improve the hardness of the silica gel, in the step 5), 2 to 5 weight percent of hardener is added into the silica gel, and the mixture is stirred uniformly. The addition amount of the hardening agent is controlled to be 2-5% of the consumption amount of the silica gel, and the silica gel is too hard to be operated; too little, the silica gel solidification time is too long, and the efficiency is reduced.
In order to prevent the generation of bubbles in the silica gel mold and improve the product quality, in the step 6), the silica gel which is added with the hardening agent and is uniformly stirred is put into a vacuum box to be vacuumized, and the vacuum is pumped to-0.1 mpa.
Further, in the step 7), the silica gel is uniformly coated on the mold seed at least three times, after the first layer of silica gel is solidified, the second layer of silica gel is coated, and when the second layer of silica gel does not flow, the third layer of silica gel is uniformly coated.
Further describing, in the step 7), the thickness of the first layer of silica gel is not less than 1mm, so as to cover the mold seeds and the oil sludge; the height of the second layer of silica gel is 6 to 8 percent higher than that of the first layer of silica gel; and pasting a layer of gauze on the second layer of silica gel. By doing so, the hardness and tear resistance of the silica gel can be further improved, so that the product quality is better.
In the invention, in the step 8), the gypsum powder is added with water and stirred, after uniform stirring, the prepared gypsum is poured on a mold, and the outer mold is finished after half-drying.
In the invention, in steps 12), 13) and 14), after the silica gel is completely cured, the whole gypsum outer mold and the silica gel mold are detached, the silica gel mold is checked, and the silica gel mold is trimmed by a visual inspection, so far, the mold is completely manufactured and can be put into production and use.
Claims (8)
1. A silica gel mold manufacturing process is characterized by comprising the following steps: 1) fixing the mold seeds and splitting the mold; 2) piling oil sludge; 3) punching a clamping tenon; 4) spraying a release agent; 5) silica gel batching is carried out; 6) pumping the ingredients; 7) brushing silica gel and finishing; 8) making an outer mold by using gypsum; 9) cleaning oil sludge; 10) correcting the silica gel mold; 11) spraying a release agent; 12) removing the mold; 13) checking and finishing; 14) obtaining the silica gel mold.
2. The process for manufacturing a silica gel mold according to claim 1, wherein: in step 1), mold seeds are fixed on the wood board by glue, and A, B two sheet molds are separated according to products, wherein the mold line of the mold is positioned at the highest point of the mold seeds.
3. The process for manufacturing a silica gel mold according to claim 2, wherein: in the step 2) and the step 3), the part below the mold line of the A, B two sheets is fully piled with oil sludge, and after the part is fully piled, tenons are uniformly punched, and the tenons are separated from the molds by at least one centimeter.
4. The process for manufacturing a silica gel mold according to claim 3, wherein: in the step 5), 2-5% of hardening agent is added into the silica gel according to the weight ratio, and the mixture is stirred uniformly.
5. The process for manufacturing a silica gel mold according to claim 4, wherein: in the step 6), the silica gel which is added with the hardening agent and is uniformly stirred is placed into a vacuum box for vacuum pumping, and the vacuum pumping is carried out until the pressure is-0.1 mpa.
6. The process for manufacturing a silica gel mold according to claim 5, wherein: in the step 7), the silica gel is uniformly coated on the mold seeds at least three times in the step 7), a second layer of silica gel is coated after the first layer of silica gel is solidified, and a third layer of silica gel is uniformly coated when the second layer of silica gel does not flow any more.
7. The process for manufacturing a silica gel mold according to claim 6, wherein: in the step 7), the thickness of the first layer of silica gel is not less than 1mm, so that the first layer of silica gel can cover the mold seeds and the oil sludge; the height of the second layer of silica gel is 6 to 8 percent higher than that of the first layer of silica gel; and pasting a layer of gauze on the second layer of silica gel.
8. The process for manufacturing a silica gel mold according to claim 7, wherein: in the step 8), adding water into the gypsum powder, stirring, pouring the prepared gypsum on a mold after uniformly stirring, and finishing the outer mold after half-drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948245.2A CN112123642A (en) | 2020-09-10 | 2020-09-10 | Production process of silica gel mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948245.2A CN112123642A (en) | 2020-09-10 | 2020-09-10 | Production process of silica gel mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112123642A true CN112123642A (en) | 2020-12-25 |
Family
ID=73846972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010948245.2A Pending CN112123642A (en) | 2020-09-10 | 2020-09-10 | Production process of silica gel mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112123642A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274578A (en) * | 2021-12-20 | 2022-04-05 | 深圳市众诚达应用材料科技有限公司 | Die sleeve and preparation and use methods thereof |
| CN115229937A (en) * | 2022-04-22 | 2022-10-25 | 德清红朝岗石科技有限公司 | Cement-based hollowed-out super-thick simulation flower window manufacturing process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274578A (en) * | 2021-12-20 | 2022-04-05 | 深圳市众诚达应用材料科技有限公司 | Die sleeve and preparation and use methods thereof |
| CN115229937A (en) * | 2022-04-22 | 2022-10-25 | 德清红朝岗石科技有限公司 | Cement-based hollowed-out super-thick simulation flower window manufacturing process |
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Application publication date: 20201225 |
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