CN110738912B - Method for making teaching model - Google Patents
Method for making teaching model Download PDFInfo
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- CN110738912B CN110738912B CN201911023785.3A CN201911023785A CN110738912B CN 110738912 B CN110738912 B CN 110738912B CN 201911023785 A CN201911023785 A CN 201911023785A CN 110738912 B CN110738912 B CN 110738912B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The invention discloses a manufacturing method of a teaching model, which comprises the steps of processing a mould, wherein the mould is a soft mould or a hard mould, and the interior of the soft mould is cleaned up and then used for production; after the hard die is cleaned, a plurality of layers of wax are required to be brushed for 5 minutes, and then the wax is used for production. The processed mould is subjected to gel coat brushing, master batch brushing, short fiber cloth pasting, glass fiber cloth pasting, supporting framework mounting, demoulding, degreasing agent cleaning, repairing, coloring, acoustoelectric and optical oil spraying to complete the model manufacturing.
Description
Technical Field
The invention relates to the technical field of model manufacturing, in particular to a manufacturing method of a teaching model.
Background
Teaching models are widely used in scenic spots, parks, campuses, squares and the like for teaching and science popularization, people of convenience can better know relevant knowledge, teaching models of geographic gardens, biological gardens, science and technology popularization rooms, history rooms and geographic rooms are various and comprise topographic models, biological models, cell models, scientific and technological landscape models, history models, animal models and the like, the materials are various, the use environment is changeable, and higher requirements are provided for quality requirements, cost and the like of the teaching models. Common teaching models on the market are mostly made of gypsum, cement pouring, plastics and the like, and are high in cost or poor in quality.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the manufacturing method of the teaching model, which is low in cost, durable and simple to manufacture.
The invention is realized by the following modes:
a method for manufacturing a teaching model is characterized in that: the method comprises the following steps: processing a mould, wherein the mould is a soft mould or a hard mould, and the interior of the soft mould is cleaned up and then used for production; after the hard die is cleaned, a plurality of layers of wax are required to be brushed for 5 minutes, and then the wax is used for production;
step two: brushing gel coats in the processed mould in the step one, and curing the gel coats for later use;
step three: brushing master batch in the mould after the gel coat is brushed and cured, and keeping the master batch for later use after the master batch is cured;
step four: sticking a layer of short-fiber cloth in the mould after the master batch is solidified, and sticking the short-fiber cloth by using special resin;
step five: sticking a plurality of layers of glass fiber cloth in the die stuck with the short fiber cloth, and sticking the glass fiber cloth by using special resin;
step six: mounting a support framework inside the mold pasted with the glass fiber cloth to manufacture a model; the supporting framework is formed by mutually cross-connecting a plurality of frameworks, the bottom of each framework is connected with a cushion layer, and the specification of the cushion layer is slightly larger than the sectional area of the framework; brushing a layer of master batch on the surface of the cushion layer, wrapping the cushion layer and the framework together by using glass fiber cloth, and sticking the cushion layer and the framework through special resin;
step seven: and D, sequentially carrying out demoulding, degreasing agent cleaning, repairing, coloring, sound and light loading and gloss oil spraying on the model manufactured in the step six to finish the manufacturing of the model.
Further, the soft mold is made of resin or silica gel; the hard mould is made of gypsum.
Further, the gel coat consists of the following components in parts by weight: 1000-1200 parts of unsaturated polyester resin, 15-25 parts of cobalt isooctanoate and 10-20 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm.
Further, the master batch comprises the following components in parts by weight: 3000-3500 parts of 191 resin, 1500-2000 parts of talcum powder, 1200 parts of clear powder, 250 parts of paper powder, 15-25 parts of cobalt iso-octoate and 10-20 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm.
Further, the thickness of the short fiber cloth is 0.4 mm; the thickness of the glass fiber cloth is 0.4mm, the two layers are fully paved, and the overlapping part of the seam is more than 5 cm;
further, the special resin comprises the following components in parts by weight: 1000 portions of 191 resin, 1200 portions of cobalt isooctanoate, 10 to 20 portions of cobalt isooctanoate and 3 to 8 portions of methyl ethyl ketone peroxide, and the mixture is kept stirring during mixing for more than 1 hour.
Further, the degreasing agent cleaning method comprises the following steps: firstly, washing once by using a solution obtained by mixing 80 ℃ hot water and a degreasing agent according to the weight ratio of 3:1, and then repeatedly washing by using a solution obtained by mixing washing powder and clean water according to the weight ratio of 15:1 until complete degreasing.
Further, the gel coat consists of the following components in parts by weight: 1000 parts of unsaturated polyester resin, 15 parts of cobalt isooctanoate and 10 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm.
Further, the master batch comprises the following components in parts by weight: 3000 parts of 191 resin, 1500 parts of talcum powder, 1000 parts of clear powder, 200 parts of paper powder, 15 parts of cobalt isooctanoate and 10 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm.
Further, the special resin comprises the following components in parts by weight: 191 resin 1000 parts, cobalt isooctanoate 10 parts and methyl ethyl ketone peroxide 3 parts, and the mixture is kept stirring for more than 1 hour.
The invention has the beneficial effects that: the model shell prepared by multilayer coating and pasting is simple to manufacture and low in cost through the gel coat as the bottom, the strength of the model shell is increased by the glass fiber cloth and the short fiber cloth, the model is kept in long-time use in various environments, the gel coat and the master batch enable the model not to be easily damaged by wind, rain and sun, the stability is stronger, a large amount of resin is used in the model preparation, the model is more friendly to the environment, compared with plastic, the model is not aged, and the service life is longer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on relative orientations or positional relationships, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case by those skilled in the art.
Example (b): a method for manufacturing a teaching model is characterized in that: the method comprises the following steps: processing a mould, wherein the mould is a soft mould or a hard mould, and the interior of the soft mould is cleaned up and then used for production; after the hard die is cleaned, a plurality of layers of wax are required to be brushed for 5 minutes, and then the wax is used for production;
step two: brushing gel coats in the processed mould in the step one, and curing the gel coats for later use;
step three: brushing master batch in the mould after the gel coat is brushed and cured, and keeping the master batch for later use after the master batch is cured;
step four: sticking a layer of short-fiber cloth in the mould after the master batch is solidified, and sticking the short-fiber cloth by using special resin;
step five: sticking a plurality of layers of glass fiber cloth in the die stuck with the short fiber cloth, and sticking the glass fiber cloth by using special resin;
step six: mounting a support framework inside the mold pasted with the glass fiber cloth to manufacture a model; the supporting framework is formed by mutually cross-connecting a plurality of frameworks, the bottom of each framework is connected with a cushion layer, and the specification of the cushion layer is slightly larger than the sectional area of the framework; brushing a layer of master batch on the surface of the cushion layer, wrapping the cushion layer and the framework together by using glass fiber cloth, and sticking the cushion layer and the framework through special resin;
step seven: and D, sequentially carrying out demoulding, degreasing agent cleaning, repairing, coloring, sound and light loading and gloss oil spraying on the model manufactured in the step six to finish the manufacturing of the model.
Further, the soft mold is made of resin or silica gel; the hard mould is made of gypsum.
Further, the gel coat consists of the following components in parts by weight: 1000-1200 parts of unsaturated polyester resin, 15-25 parts of cobalt isooctanoate and 10-20 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm.
Further, the master batch comprises the following components in parts by weight: 3000-3500 parts of 191 resin, 1500-2000 parts of talcum powder, 1200 parts of clear powder, 250 parts of paper powder, 15-25 parts of cobalt iso-octoate and 10-20 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm.
Further, the thickness of the short fiber cloth is 0.4 mm; the thickness of the glass fiber cloth is 0.4mm, the two layers are fully paved, and the overlapping part of the seam is more than 5 cm;
further, the special resin comprises the following components in parts by weight: 1000 portions of 191 resin, 1200 portions of cobalt isooctanoate, 10 to 20 portions of cobalt isooctanoate and 3 to 8 portions of methyl ethyl ketone peroxide, and the mixture is kept stirring during mixing for more than 1 hour.
Further, the degreasing agent cleaning method comprises the following steps: firstly, washing once by using a solution obtained by mixing 80 ℃ hot water and a degreasing agent according to the weight ratio of 3:1, and then repeatedly washing by using a solution obtained by mixing washing powder and clean water according to the weight ratio of 15:1 until complete degreasing.
Further, the gel coat consists of the following components in parts by weight: 1000 parts of unsaturated polyester resin, 15 parts of cobalt isooctanoate and 10 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm.
Further, the master batch comprises the following components in parts by weight: 3000 parts of 191 resin, 1500 parts of talcum powder, 1000 parts of clear powder, 200 parts of paper powder, 15 parts of cobalt isooctanoate and 10 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm.
Further, the special resin comprises the following components in parts by weight: 191 resin 1000 parts, cobalt isooctanoate 10 parts and methyl ethyl ketone peroxide 3 parts, and the mixture is kept stirring for more than 1 hour.
The model shell prepared by multilayer coating and pasting is simple to manufacture and low in cost through the gel coat as the bottom, the strength of the model shell is increased by the glass fiber cloth and the short fiber cloth, the model is kept in long-time use in various environments, the gel coat and the master batch enable the model not to be easily damaged by wind, rain and sunshine, the stability is stronger, a large amount of resin is used in the model preparation, the model is more friendly to the environment, compared with plastic, the model is not aged, and the service life is longer. The degreasing agent is cleaned, so that the later repairing and coloring are facilitated, and the effect of the gloss oil is better.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (5)
1. A method for manufacturing a teaching model is characterized in that: the method comprises the following steps: processing a mould, wherein the mould is a soft mould or a hard mould, and the interior of the soft mould is cleaned up and then used for production; after the hard die is cleaned, a plurality of layers of wax are required to be brushed for 5 minutes, and then the wax is used for production; the soft mold is made of resin or silica gel; the hard mould is made of gypsum;
step two: brushing gel coats in the processed mould in the step one, and curing the gel coats for later use; the gel coat comprises the following components in parts by weight: 1000-1200 parts of unsaturated polyester resin, 15-25 parts of cobalt isooctanoate and 10-20 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm;
step three: brushing master batch in the mould after the gel coat is brushed and cured, and keeping the master batch for later use after the master batch is cured; the master batch comprises the following components in parts by weight: 3000-3500 parts of 191 resin, 1500-2000 parts of talcum powder, 1200 parts of clear powder, 250 parts of paper powder, 15-25 parts of cobalt iso-octoate and 10-20 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm;
step four: sticking a layer of short-fiber cloth in the mould after the master batch is solidified, and sticking the short-fiber cloth by using special resin;
step five: sticking a plurality of layers of glass fiber cloth in the die with the stuck short fiber cloth, and sticking the glass fiber cloth by using special resin; the thickness of the short fiber cloth is 0.4 mm; the thickness of the glass fiber cloth is 0.4mm, the two layers are fully paved, and the overlapping part of the seam is more than 5 cm;
step six: mounting a support framework in the mold pasted with the glass fiber cloth to manufacture a model; the supporting framework is formed by mutually cross-connecting a plurality of frameworks, the bottom of each framework is connected with a cushion layer, and the specification of the cushion layer is slightly larger than the sectional area of the framework; brushing a layer of master batch on the surface of the cushion layer, wrapping the cushion layer and the framework together by using glass fiber cloth, and sticking the cushion layer and the framework through special resin;
step seven: sequentially carrying out demoulding, degreasing agent cleaning, repairing, coloring, sound and light loading and gloss oil spraying on the model manufactured in the step six to finish the manufacturing of the model; the degreasing agent cleaning method comprises the following steps: firstly, washing once by using a solution obtained by mixing 80 ℃ hot water and a degreasing agent according to the weight ratio of 3:1, and then repeatedly washing by using a solution obtained by mixing washing powder and clean water according to the weight ratio of 15:1 until complete degreasing.
2. The method for making a teaching model according to claim 1, wherein: the special resin comprises the following components in parts by weight: 1000 parts of 191 resin, 1200 parts of cobalt isooctanoate, 10-20 parts of cobalt isooctanoate and 3-8 parts of methyl ethyl ketone peroxide, and stirring is kept during mixing for more than 1 hour.
3. The method for making a teaching model according to claim 1, wherein: the gel coat comprises the following components in parts by weight: 1000 parts of unsaturated polyester resin, 15 parts of cobalt iso-octoate and 10 parts of methyl ethyl ketone peroxide, wherein the solidified gel coat has no crack, no hollowing and no wrinkle, and the number of pinholes in 1 square millimeter is less than 10; the coating thickness of the gel coat is 2-3 mm.
4. The method for making a teaching model according to claim 1, wherein: the master batch comprises the following components in parts by weight: 3000 parts of 191 resin, 1500 parts of talcum powder, 1000 parts of clear powder, 200 parts of paper powder, 15 parts of cobalt isooctanoate and 10 parts of methyl ethyl ketone peroxide; the coating thickness of the master batch is 3-4 mm.
5. The method for making a teaching model according to claim 1, wherein: the special resin comprises the following components in parts by weight: 191 resin 1000 parts, cobalt isooctanoate 10 parts and methyl ethyl ketone peroxide 3 parts, and stirring is kept during mixing for more than 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911023785.3A CN110738912B (en) | 2019-10-25 | 2019-10-25 | Method for making teaching model |
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| CN201911023785.3A CN110738912B (en) | 2019-10-25 | 2019-10-25 | Method for making teaching model |
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| CN110738912A CN110738912A (en) | 2020-01-31 |
| CN110738912B true CN110738912B (en) | 2022-03-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286161A (en) * | 1999-08-26 | 2001-03-07 | 广州市科宝有限公司 | Quickly shaping technology for glass fibre reinforced plastics products |
| CN102717517A (en) * | 2012-07-06 | 2012-10-10 | 长沙晨东工贸有限公司 | Manufacturing process of glass fiber reinforced plastic |
| CN103895441A (en) * | 2014-04-18 | 2014-07-02 | 上海浦宇铜艺装饰制品有限公司 | Novel urban sculpture casting process |
| CN105153638A (en) * | 2015-07-09 | 2015-12-16 | 光合(北京)文化创意股份有限公司 | Fiber reinforced plastic and method for producing sculpture from fiber reinforced plastic |
| CN108773089A (en) * | 2018-04-20 | 2018-11-09 | 南安市创培电子科技有限公司 | A kind of manufacture craft of glass fiber reinforced plastics product |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050223658A1 (en) * | 2004-03-05 | 2005-10-13 | John Reed | Method and composition for car ramp concealing fiberglass artificial geological rock formation |
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- 2019-10-25 CN CN201911023785.3A patent/CN110738912B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286161A (en) * | 1999-08-26 | 2001-03-07 | 广州市科宝有限公司 | Quickly shaping technology for glass fibre reinforced plastics products |
| CN102717517A (en) * | 2012-07-06 | 2012-10-10 | 长沙晨东工贸有限公司 | Manufacturing process of glass fiber reinforced plastic |
| CN103895441A (en) * | 2014-04-18 | 2014-07-02 | 上海浦宇铜艺装饰制品有限公司 | Novel urban sculpture casting process |
| CN105153638A (en) * | 2015-07-09 | 2015-12-16 | 光合(北京)文化创意股份有限公司 | Fiber reinforced plastic and method for producing sculpture from fiber reinforced plastic |
| CN108773089A (en) * | 2018-04-20 | 2018-11-09 | 南安市创培电子科技有限公司 | A kind of manufacture craft of glass fiber reinforced plastics product |
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