CN115946268A - Production process of silica gel mold - Google Patents
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- CN115946268A CN115946268A CN202310108709.2A CN202310108709A CN115946268A CN 115946268 A CN115946268 A CN 115946268A CN 202310108709 A CN202310108709 A CN 202310108709A CN 115946268 A CN115946268 A CN 115946268A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to the technical field of silica gel molds, and discloses a production process of a silica gel mold, which comprises the following steps: manufacturing a mold frame, drying and dehydrating, weighing, blending, filtering, injecting glue, waiting for curing, opening the mold and the like. This production technology of silica gel mould, make when making the silica gel mould, the production of abundant reduction bubble, guarantee when making the silica gel mould, reduce the product of bubble in the technology, improve the roughness of preparation silica gel mould, and the efficiency of preparation silica gel mould and the finished product quality of silica gel mould, simultaneously can also carry out the efficiency and the speed of control mould solidification according to the use needs, help reducing the reality of mould solidification, the bubble of having solved silica gel processing production is not only the bubble of processing man-hour, also relevant with the moisture and the gas of raw materials, and neglected the moisture in the raw and other materials, if not handle, the mould bubble that also can lead to the post production produces, and handle the difficult problem.
Description
Technical Field
The invention relates to the technical field of silica gel molds, in particular to a production process of a silica gel mold.
Background
The silica gel mould is a special mould for manufacturing artware, the raw materials of the silica gel can be divided into common silica gel and gas-like silica gel according to the performance, the silica gel is characterized by high temperature resistance, corrosion resistance, strong tearing resistance and fine and high simulation, and is a mould for manufacturing various artware.
At present, the existing silica gel mold reduces bubbles through later-stage processing stirring or adding an antifoaming agent when the silica gel mold is prepared, however, the bubbles generated by the silica gel processing are not only the bubbles generated during the processing, but also related to the moisture and the gas of the raw material, the moisture in the raw material is ignored, the mold bubbles generated during the later-stage processing can be caused if the processing is not carried out, the problem of difficulty in processing is solved, meanwhile, the work of dust removal processing and the like on the silica gel of the raw material is not carried out during the preparation and the mold production, and the color forming during the mold processing can be influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a production process of a silica gel mold, which has the advantages of reducing bubbles and the like, and solves the problems that the bubbles are reduced by later-stage processing stirring or adding a defoaming agent when the existing silica gel mold is prepared at present, but the defoaming agent cannot completely reduce the bubbles, the bubbles generated by silica gel processing can also cause the bubbles of the mold prepared at the later stage if water in raw materials is ignored and is difficult to process.
(II) technical scheme
In order to achieve the purpose of reducing bubbles, the invention provides the following technical scheme: a production process of a silica gel mold comprises the following steps:
1) Manufacturing a mould frame, selecting a proper acrylic plate according to the size of a mould to be manufactured, wiping the acrylic plate clean, removing dust on the surface of the acrylic plate, butting and installing the acrylic plate into a required shape, butting and adhering the acrylic plate to be seamless by using hot melt adhesive, and reserving for later use;
2) Drying and dehydrating, namely preparing a silica gel raw material, firstly adding the silica gel into a centrifugal machine for dehydrating for thirty minutes, reducing the moisture of the silica gel when the mold is fixed, and being beneficial to reducing the moisture of later-stage processing;
3) Weighing, selecting a proper amount of silica gel, screening and dedusting, adding a silica gel mold into a container, stirring by using a stirring shaft, raising dust on the inner side of the silica gel raw material, processing and removing the dust of the silica gel raw material by using an industrial dust collector, simultaneously performing secondary screening processing on the silica gel raw material after dedusting, reducing the dust in the mold during production and processing, screening and removing the silica gel with unqualified quality, thoroughly screening and dedusting the raw material, weighing the qualified silica gel, dividing the silica gel into a plurality of parts according to weight, storing the silica gel respectively, adding the raw material according to a certain weight when adding the raw material for mold fixation, ensuring that the quality and the category of the produced silica gel are kept consistent, and being beneficial to avoiding the problem that the produced mold has different qualities due to the influence of the raw material;
4) Blending, namely adding a proper amount of curing agent into the weighed silica gel, adding a proper amount of color paste according to use requirements, stirring, manually stirring or stirring by using a machine, wherein external dust is prevented from entering the stirring paddle during manual stirring to influence the finished product quality and color of the mold, and the machine stirring is controlled for a proper amount of time to ensure that the national liquid is uniformly stirred, and if the national liquid is not uniformly stirred, the silica gel mold is scrapped due to partial non-curing or incomplete curing;
5) Filtering, namely repeatedly filtering the uniformly stirred silica gel liquid, preparing filter plates with different apertures for filtering bubbles during filtering, and simultaneously adding a proper amount of defoaming agent, stirring the raw materials, repeatedly filtering by using the filter plates, filtering bubbles during stirring, filtering and crushing the bubbles, and prolonging the curing time of the silica gel as much as possible, and then placing the silica gel product in the place, wherein the silica gel product can slowly discharge bubbles, and if more bubbles exist, the finished product is not beautiful enough, and the later-stage mould encapsulation failure can also be caused;
6) Injecting glue, pouring a part of uniformly stirred silica gel liquid into an acrylic mould frame, brushing the surface of the model once by using a brush to ensure that the silica gel is in close contact with the gaps of the lines on the surface of the model to avoid gaps, and facing the liquid silica gel to the lowest point position of the mould frame to ensure that the liquid silica gel is slowly poured in a threadlike manner and naturally flows around the model, so that bubbles can be reduced, and a small amount of bubbles on the surface can be blown through by using a nozzle or a blower;
7) Wait for the solidification, place the mould in the department of leveling wait for the solidification can, temperature when the mould solidification can be controlled according to the use needs control mould solidification when the mould solidification, the solidification is faster more for general temperature, also can arrange the mould in temperature controllable is indoor when the solidification, the efficiency of mould solidification is conveniently improved, this process staff can carry out the curing time of processing control silica gel mould according to the use needs, just can the die sinking take out after waiting for the complete solidification, the actual time of also solidifying changes with the size of mould, the big curing time of mould is longer more, otherwise then shorter, take out the mould after waiting for the mould complete solidification.
Preferably, the ratio of the silica gel to the curing agent is 100.
Preferably, the defoaming agent is a silicon defoaming agent, and the ratio of the defoaming agent to the silica gel is 100.
(III) advantageous effects
Compared with the prior art, the invention provides a production process of a silica gel mold, which has the following beneficial effects:
this production technology of silica gel mould, through the production technology through preparation mould frame when using, drying and dehydration, weigh, allotment, filtration, injecting glue, wait for solidification and die sinking etc., make when making the silica gel mould, the production of abundant reduction bubble, guarantee when making the silica gel mould, reduce the product of bubble in the technology, improve the roughness of preparation silica gel mould, and the efficiency of preparation silica gel mould and the finished product quality of silica gel mould, can also carry out the efficiency and the speed of control mould solidification according to the use needs simultaneously, help reducing the reality of mould solidification, solved current silica gel mould and when making under progress through the processing stirring in later stage or add the defoaming agent and reduce the bubble, the bubble that nevertheless silica gel processing produced is not only the bubble of processing man-hour, also relevant with the moisture and the gas of raw materials, and neglected the moisture in the raw and raw materials, if not handling, also can lead to the mould bubble of post production to produce, and handle the difficult problem.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The first embodiment is as follows: a production process of a silica gel mold comprises the following steps:
1) Manufacturing a mould frame, selecting a proper acrylic plate according to the size of a mould to be manufactured, wiping the acrylic plate clean, removing dust on the surface of the acrylic plate, butting and installing the acrylic plate into a required shape, and butting and adhering the acrylic plate to be seamless by using hot melt adhesive, wherein the mould frame can be rectangular or circular and is reserved for standby;
2) Drying and dehydrating, namely preparing a silica gel raw material, firstly adding the silica gel into a centrifugal machine for dehydrating for thirty minutes, reducing the moisture of the silica gel when the mold is fixed, and being beneficial to reducing the moisture of later-stage processing;
3) Weighing, selecting a proper amount of silica gel, screening and dedusting, adding a silica gel mold into a container, stirring by using a stirring shaft, raising dust on the inner side of the silica gel raw material, processing and removing the dust of the silica gel raw material by using an industrial dust collector, simultaneously performing secondary screening processing on the silica gel raw material after dedusting, reducing the dust in the mold during production and processing, screening and removing the silica gel with unqualified quality, thoroughly screening and dedusting the raw material, weighing the qualified silica gel, dividing the silica gel into a plurality of parts according to weight, storing the silica gel respectively, adding the raw material according to a certain weight when adding the raw material for mold fixation, ensuring that the quality and the category of the produced silica gel are kept consistent, and being beneficial to avoiding the problem that the produced mold has different qualities due to the influence of the raw material;
4) Blending, namely adding a proper amount of curing agent into the weighed silica gel, adding a proper amount of color paste according to use requirements, stirring, manually stirring or stirring by using a machine, wherein external dust is prevented from entering the stirring paddle during manual stirring to influence the finished product quality and color of the mold, and the machine stirring is controlled for a proper amount of time to ensure that the national liquid is uniformly stirred, and if the national liquid is not uniformly stirred, the silica gel mold is scrapped due to partial non-curing or incomplete curing;
5) Filtering, repeatedly filtering silica gel liquid which is uniformly stirred, preparing filter plates with different pore diameters for filtering bubbles during filtering, and simultaneously adding a proper amount of defoaming agent, wherein the ratio of the defoaming agent to the silica gel is 100, after the raw materials are stirred, repeatedly filtering is carried out by utilizing the filter plates, filtering bubbles during stirring, filtering and smashing the bubbles, and lengthening the curing time of the silica gel as much as possible, and then placing the silica gel product at the place, so that the silica gel product can slowly discharge bubbles, if the bubbles are more, not only can the finished product be not beautiful enough, but also can cause the failure of mold encapsulation at the later stage, and the ratio of the silica gel to the curing agent is 100;
6) Injecting glue, pouring a part of the uniformly stirred silica gel liquid into an acrylic mould frame, brushing the surface of the model once by using a brush to ensure that the silica gel is in close contact with the gaps of the lines on the surface of the model to avoid gaps, and enabling the liquid silica gel to face the lowest point position of the mould frame to be slowly poured in a filiform shape and naturally flow around the model, so that bubbles can be reduced, and a small amount of bubbles on the surface can be blown through a nozzle or a blower;
7) Wait for the solidification, place the mould in the flat department wait for the solidification can, the temperature when the mould solidification can be controlled according to the use needs when the mould solidification, the solidification is faster more than general temperature, also can arrange the mould in temperature controllable is indoor when the solidification, the efficiency of mould solidification is conveniently improved, this process staff can carry out the curing time of processing control silica gel mould according to the use needs, just can the die sinking take out after waiting for the complete solidification, the actual time of also solidifying changes along with the size of mould, the big curing time of mould is longer more, otherwise then shorter, take out the mould after waiting for the mould complete solidification.
The second embodiment: a production process of a silica gel mold comprises the following steps:
1) Manufacturing a mould frame, selecting a proper acrylic plate according to the size of a mould to be manufactured, wiping the acrylic plate clean, removing dust on the surface of the acrylic plate, butting and installing the acrylic plate into a required shape, and butting and adhering the acrylic plate to be seamless by using hot melt adhesive, wherein the mould frame can be rectangular or circular and is reserved for standby;
2) Drying and dehydrating, namely preparing a silica gel raw material, firstly adding the silica gel into a centrifugal machine for dehydrating for thirty minutes, reducing the moisture of the silica gel when the mold is fixed, and being beneficial to reducing the moisture of later-stage processing;
3) Weighing, selecting a proper amount of silica gel, screening and dedusting, adding a silica gel mold into a container, stirring by using a stirring shaft, raising dust on the inner side of the silica gel raw material, processing and removing the dust of the silica gel raw material by using an industrial dust collector, simultaneously carrying out secondary screening processing on the silica gel raw material after dedusting, reducing dust generated during mold production and processing, screening and removing the silica gel with unqualified quality, thoroughly screening and dedusting the raw material, then weighing the qualified silica gel, dividing the silica gel into a plurality of parts according to weight, respectively storing the silica gel, adding the raw material according to a certain weight when adding the raw material for mold fixation, ensuring that the quality and the category of the produced silica gel are kept consistent, and being beneficial to avoiding the problem that the produced mold has different qualities due to the influence of the raw material;
4) Blending, namely adding a proper amount of curing agent into the weighed silica gel, adding a proper amount of color paste according to use requirements, stirring, manually stirring or stirring by using a machine, wherein external dust is prevented from entering the stirring paddle during manual stirring to influence the finished product quality and color of the mold, and the machine stirring is controlled for a proper amount of time to ensure that the national liquid is uniformly stirred, and if the national liquid is not uniformly stirred, the silica gel mold is scrapped due to partial non-curing or incomplete curing;
5) Filtering, repeatedly filtering silica gel liquid which is uniformly stirred, preparing filter plates with different pore diameters for filtering bubbles during filtering, and simultaneously adding a proper amount of defoaming agent, wherein the ratio of the defoaming agent to the silica gel is 100, after the raw materials are stirred, repeatedly filtering is carried out by utilizing the filter plates, filtering bubbles during stirring, filtering and smashing the bubbles, and lengthening the curing time of the silica gel as much as possible, and then placing the silica gel product at the place, so that the silica gel product can slowly discharge bubbles, if the bubbles are more, not only can the finished product be not beautiful enough, but also can cause the failure of mold encapsulation at the later stage, and the ratio of the silica gel to the curing agent is 100;
6) Injecting glue, pouring a part of the uniformly stirred silica gel liquid into an acrylic mould frame, brushing the surface of the model once by using a brush to ensure that the silica gel is in close contact with the gaps of the lines on the surface of the model to avoid gaps, and enabling the liquid silica gel to face the lowest point position of the mould frame to be slowly poured in a filiform shape and naturally flow around the model, so that bubbles can be reduced, and a small amount of bubbles on the surface can be blown through a nozzle or a blower;
7) Wait for the solidification, place the mould in the department of leveling wait for the solidification can, temperature when the mould solidification can be controlled according to the use needs control mould solidification when the mould solidification, the solidification is faster more for general temperature, also can arrange the mould in temperature controllable is indoor when the solidification, the efficiency of mould solidification is conveniently improved, this process staff can carry out the curing time of processing control silica gel mould according to the use needs, just can the die sinking take out after waiting for the complete solidification, the actual time of also solidifying changes with the size of mould, the big curing time of mould is longer more, otherwise then shorter, take out the mould after waiting for the mould complete solidification.
Example three: a production process of a silica gel mold comprises the following steps:
1) Manufacturing a mould frame, selecting a proper acrylic plate according to the size of a mould to be manufactured, wiping the acrylic plate clean, removing dust on the surface of the acrylic plate, butting and installing the acrylic plate into a required shape, and butting and adhering the acrylic plate to be seamless by using hot melt adhesive, wherein the mould frame can be rectangular or circular and is reserved for standby;
2) Drying and dehydrating, namely preparing a silica gel raw material, firstly adding the silica gel into a centrifugal machine for dehydration for thirty minutes, reducing the moisture of the silica gel when fixing a mould, and contributing to reducing the moisture of later-stage processing;
3) Weighing, selecting a proper amount of silica gel, screening and dedusting, adding a silica gel mold into a container, stirring by using a stirring shaft, raising dust on the inner side of the silica gel raw material, processing and removing the dust of the silica gel raw material by using an industrial dust collector, simultaneously performing secondary screening processing on the silica gel raw material after dedusting, reducing the dust in the mold during production and processing, screening and removing the silica gel with unqualified quality, thoroughly screening and dedusting the raw material, weighing the qualified silica gel, dividing the silica gel into a plurality of parts according to weight, storing the silica gel respectively, adding the raw material according to a certain weight when adding the raw material for mold fixation, ensuring that the quality and the category of the produced silica gel are kept consistent, and being beneficial to avoiding the problem that the produced mold has different qualities due to the influence of the raw material;
4) Blending, namely adding a proper amount of curing agent into the weighed silica gel, adding a proper amount of color paste according to use requirements, stirring, manually stirring or stirring by using a machine, wherein external dust is prevented from entering the stirring paddle during manual stirring to influence the finished product quality and color of the mold, and the machine stirring is controlled for a proper amount of time to ensure that the national liquid is uniformly stirred, and if the national liquid is not uniformly stirred, the silica gel mold is scrapped due to partial non-curing or incomplete curing;
5) Filtering, namely repeatedly filtering silica gel liquid which is uniformly stirred, preparing filter plates with different pore diameters for filtering bubbles during filtering, and simultaneously adding a proper amount of defoaming agent, wherein the ratio of the defoaming agent to the silica gel is 100, stirring the raw materials, repeatedly filtering by using the filter plates, filtering the bubbles during stirring, filtering and crushing the bubbles, and lengthening the curing time of the silica gel as much as possible, and then placing the silica gel product at the place, wherein the silica gel product can slowly discharge bubbles, if the bubbles are more, not only can the finished product be not beautiful enough, but also can cause the failure of later-stage mold encapsulation, and the ratio of the silica gel to the curing agent is 100;
6) Injecting glue, pouring a part of the uniformly stirred silica gel liquid into an acrylic mould frame, brushing the surface of the model once by using a brush to ensure that the silica gel is in close contact with the gaps of the lines on the surface of the model to avoid gaps, and enabling the liquid silica gel to face the lowest point position of the mould frame to be slowly poured in a filiform shape and naturally flow around the model, so that bubbles can be reduced, and a small amount of bubbles on the surface can be blown through a nozzle or a blower;
7) Wait for the solidification, place the mould in the flat department wait for the solidification can, the temperature when the mould solidification can be controlled according to the use needs when the mould solidification, the solidification is faster more than general temperature, also can arrange the mould in temperature controllable is indoor when the solidification, the efficiency of mould solidification is conveniently improved, this process staff can carry out the curing time of processing control silica gel mould according to the use needs, just can the die sinking take out after waiting for the complete solidification, the actual time of also solidifying changes along with the size of mould, the big curing time of mould is longer more, otherwise then shorter, take out the mould after waiting for the mould complete solidification.
And (4) judging the standard: after the mold is manufactured, the above process is repeatedly operated during preparation, and the mold which is the most smooth after the curing effect of the finished mold product and has the curing effect and the demolding effect and higher flatness is taken as the judgment standard.
The invention has the beneficial effects that: this production technology of silica gel mould, through the production technology through preparation mould frame, drying and dehydration, weighing, allotment, filtration, injecting glue, wait for solidification and die sinking etc. when using, make when making the silica gel mould, the abundant production that reduces the bubble guarantees when making the silica gel mould, the product of bubble in the reduction technology, improve the roughness of making the silica gel mould, and the efficiency of making the silica gel mould and the finished product quality of silica gel mould, the processing stirring or the addition defoaming agent that have solved current silica gel mould when making in progress reduces the bubble, the bubble that nevertheless silica gel processing produced is not merely the bubble of processing, also relevant with the moisture and the gas of raw materials, and neglected the moisture in the raw materials, if do not handle, also can lead to the mould bubble of post production to produce, and handle the difficult problem.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The production process of the silica gel mold is characterized by comprising the following steps of:
1) Manufacturing a mould frame, selecting a proper acrylic plate according to the size of a mould to be manufactured, wiping the acrylic plate clean, removing dust on the surface of the acrylic plate, butting and installing the acrylic plate into a required shape, and butting and adhering the acrylic plate to be seamless by using hot melt adhesive for later use;
2) Drying and dehydrating, namely preparing a silica gel raw material, firstly adding the silica gel into a centrifugal machine for dehydrating for thirty minutes, reducing the moisture of the silica gel when the mold is fixed, and being beneficial to reducing the moisture of later-stage processing;
3) Weighing, selecting a proper amount of silica gel, screening and dedusting, adding a silica gel mold into a container, stirring by using a stirring shaft, raising dust on the inner side of the silica gel raw material, processing and removing the dust of the silica gel raw material by using an industrial dust collector, simultaneously performing secondary screening processing on the silica gel raw material after dedusting, reducing dust generated during production and processing of the mold, screening and dedusting the silica gel with unqualified quality, weighing the silica gel with qualified quality, dividing the silica gel into a plurality of parts according to weight, storing the parts respectively, adding the raw material according to a certain weight when adding the raw material for mold fixation, ensuring that the quality and the class of the produced silica gel are kept consistent, and being beneficial to avoiding the problem that the produced mold has different qualities due to the influence of the raw material;
4) Blending, namely adding a proper amount of curing agent into the weighed silica gel, adding a proper amount of color paste according to use requirements, stirring, manually stirring or stirring by using a machine, wherein external dust is prevented from entering the stirring paddle during manual stirring to influence the finished product quality and color of the mold, and the machine stirring is controlled for a proper amount of time to ensure that the national liquid is uniformly stirred, and if the national liquid is not uniformly stirred, the silica gel mold is scrapped due to partial non-curing or incomplete curing;
5) Filtering, namely repeatedly filtering the uniformly stirred silica gel liquid, preparing filter plates with different apertures for filtering bubbles during filtering, and simultaneously adding a proper amount of defoaming agent, stirring the raw materials, repeatedly filtering by using the filter plates, filtering bubbles during stirring, filtering and crushing the bubbles, and prolonging the curing time of the silica gel as much as possible, and then placing the silica gel product in the place, wherein the silica gel product can slowly discharge bubbles, and if more bubbles exist, the finished product is not beautiful enough, and the later-stage mould encapsulation failure can also be caused;
6) Injecting glue, pouring a part of the uniformly stirred silica gel liquid into an acrylic mould frame, brushing the surface of the model once by using a brush to ensure that the silica gel is in close contact with the gaps of the lines on the surface of the model to avoid gaps, and enabling the liquid silica gel to face the lowest point position of the mould frame to be slowly poured in a filiform shape and naturally flow around the model, so that bubbles can be reduced, and a small amount of bubbles on the surface can be blown through a nozzle or a blower;
7) Wait for the solidification, place the mould in the flat department wait for the solidification can, the temperature when the mould solidification can be controlled according to the use needs when the mould solidification, the solidification is faster more than general temperature, also can arrange the mould in temperature controllable is indoor when the solidification, the efficiency of mould solidification is conveniently improved, this process staff can carry out the curing time of processing control silica gel mould according to the use needs, just can the die sinking take out after waiting for the complete solidification, the actual time of also solidifying changes along with the size of mould, the big curing time of mould is longer more, otherwise then shorter, take out the mould after waiting for the mould complete solidification.
2. The process for producing a silicone mold according to claim 1, wherein the ratio of the silicone to the curing agent is 100.
3. The process for producing a silica gel mold according to claim 1, wherein the defoaming agent is a silicon-based defoaming agent, and the ratio of the defoaming agent to the silica gel is 100.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116884883A (en) * | 2023-09-01 | 2023-10-13 | 山西创芯光电科技有限公司 | Method for reducing bubbles in infrared detector bottom filling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116884883A (en) * | 2023-09-01 | 2023-10-13 | 山西创芯光电科技有限公司 | Method for reducing bubbles in infrared detector bottom filling |
| CN116884883B (en) * | 2023-09-01 | 2023-11-14 | 山西创芯光电科技有限公司 | Method for reducing bubbles in infrared detector bottom filling |
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