CN109035997A - A kind of production method of fossil model - Google Patents
A kind of production method of fossil model Download PDFInfo
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- CN109035997A CN109035997A CN201810736415.3A CN201810736415A CN109035997A CN 109035997 A CN109035997 A CN 109035997A CN 201810736415 A CN201810736415 A CN 201810736415A CN 109035997 A CN109035997 A CN 109035997A
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- Prior art keywords
- casting
- model
- template
- framed
- fossil
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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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
Abstract
A kind of production method of fossil model, comprising: (1) acrylic resins of painting is as protective layer after cleaning fossil；Framed, the modulation template body of casting is made, the template body of casting is poured into framed, standing after removing bubble removing, makes the solidification of the template body of casting；Proper amount of gypsum is poured into it is framed, solidification form collet；It removes framed, successively takes out collet and template, obtain fossil template；(2) make model step: the modulation pattern body of casting, the model body of casting is poured into it is framed, make the model body of casting solidify；It removes framed and takes out finished product cast, remove the extra model body of casting and obtain fossil model；Wherein the model body of casting includes isocyanates, dyestuff and polyalcohol or the model body of casting includes polyester resin, promotor, curing agent, dyestuff and talcum powder.Method of the invention is easy to operate, access times and the service life of template can be improved, the model of production can clearly reflect the feature of former collection of fossils, and stability is strong.
Description
Technical field
The present invention relates to a kind of production methods of fossil model.
Background technique
Paleontological fossil is the witness of the history of earth, is the scientific basis studying biogenesis and evolving etc., extinct plants and animal
After stone is dug out from underground, its risk being destroyed is increased.Making fossil model is equivalent to the clone of collection of fossils
To fossil can research a kind of extension, the feature of collection of fossils can be preserved for good and all by model, the sight to fossil
It examines and research plays an important role.
Fossil model production mainly includes production template and production two processes of model, and traditional method is mainly with gypsum system
Simultaneously fossil model is made with gypsum perfused in standby template.Although with gypsum perfused both economical convenience, gypsum production template and
For model all than cumbersome, toughness is also bad, the normal easy fracture of big plaster cast.And in filling process, some tiny positions,
Such as the tooth tip position of certain animals, bubble can be generated when filling into gypsum liquid in mold, row's bubble ability is poor, the mould made
There are also to be hoisted for the characteristic similarity of type and former collection of fossils.In addition, the performance of the produced gypsum in various regions is not quite similar, gone back using preceding
It need to do experiment and understand its setting time and soft or hard degree, it is time-consuming more.
Summary of the invention
In order to solve the problems in the existing technology, the invention proposes a kind of fossil models simple to operate
Production method.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of production method of fossil model, including production template step and production model step,
Wherein, the production template step includes:
Acrylic resins of painting is as protective layer after cleaning fossil；
Framed, the modulation template body of casting is made, the template body of casting is poured into framed, standing after removing bubble removing, keeps the template body of casting solidifying
Gu；
Proper amount of gypsum is poured into it is framed, solidification form collet；
It removes framed, successively takes out collet and template, obtain fossil template；
The production model step includes:
It is framed for fossil template construct；
The modulation pattern body of casting, the model body of casting is poured into it is framed, make the model body of casting solidify；
It removes framed and takes out finished product cast, remove the extra model body of casting and obtain fossil model；
Wherein the model body of casting includes isocyanates and polyalcohol or the model body of casting includes polyester resin, promotees
Into agent, curing agent and talcum powder.
Preferably, when the model body of casting includes isocyanates, dyestuff and polyalcohol, the quality of isocyanates and polyalcohol
Than being 1: 1；When the model body of casting includes polyester resin, promotor, curing agent, dyestuff and talcum powder, polyester resin, promotor
Mass ratio with curing agent is 1: 1: 1, and the mass ratio of talcum powder and polyester resin is 30-50%, it is preferable that the model body of casting
It further include dyestuff, dyestuff is with the mass ratio of isocyanates or polyester resin less than 5%.
It preferably, the use of acetone is cleaning agent when cleaning fossil, the mass concentration of the acrylic resin (B72) is
2%-5%.
Preferably, when making small-sized fossil model, framed, production macrofossil model or medium-sizedization are made of plasticine
When stone model, it is made of plate split framed.
Preferably, the template body of casting includes silica gel and curing agent, and the mass ratio of silica gel and curing agent is 100: 1.
Preferably, by the template body of casting pour into it is framed after, blibbing is blown out with airbrush,
Preferably, when production is large-scale or medium-sized fossil model, by the model body of casting pour into it is framed after, on the model body of casting
The big glass fibre such as 1-2 layers and template is spread, then proceedes to pour into the appropriate model body of casting in framed, seeps glass fibre sufficiently
It thoroughly inside the body of casting, stands, solidifies the model body of casting.
Preferably, it when the template is large-scale or medium-sized template, needs to carry out gypsum foot before pouring into gypsum, and in gypsum
1-2 layers of glass fibre are added in centre.
Preferably, the extra model body of casting utilizes cutter, sand paper and/or electric grinding machine.
Preferably, the time of the template body of casting solidification is 16-24 hours, and the time of the model body of casting solidification is 10-
30 minutes.
Compared with prior art, the present invention mainly has the advantage that
(1) fossil is cleaned with acetone before template construct, and apply fossil surface with acrylic resin (B72), enhance pair
The protective effect of collection of fossils.
(2) template uses silica gel for material, and viscosity is small, good fluidity, is easily perfused, easily row's bubble.The pulling force tearing of silica gel is strong
It spends, demoulding is easy, small to the damage of master mold (collection of fossils).Silica gel pattern mould high temperature resistant, is unlikely to deform, can multiple overmolded, increase
The access times of strong template and time, and silica gel pattern mould acid and alkali-resistance, ageing-resistant, long service life.
(3) toughness that can increase gypsum collet into glass fibre can be spread according to fossil size when making gypsum collet, makes stone
Cream collet is more firm, prevents template fracture when using and carrying.Equally, glass fibre is added in the body of casting when making model
Also play identical effect.
(4) according to fossil shapes and sizes, pieced together with plank, plasticine it is framed so that framed get rid of fossil shape
Limitation, reduce unnecessary space, save cast material, and framed made of plank and plasticine build and dismantle
All very flexibly, conveniently.
(5) F31 casting method mixes the body of casting using made of isocyanates and polyalcohol, and modulation is simple, and and dyestuff
It is uniformly mixed, the model color produced is uniform, and corner angle are clearly demarcated, can clearly reflect the feature of former collection of fossils.And the body of casting
It pours into framed middle solidification rapidly, saves the overmolded time.
(6) template hardness range made by polyester resin method is wide, and intensity is high, wear-resisting, antidetonation, lighter weight, and quality is equal
Even, glossiness is good.In addition, talcum powder is added in body of casting preparation process, stability, the tensile strength of body of casting form are increased,
The body of casting is set to be sufficiently injected template, to improve the goodness of fit of fossil model and former collection of fossils.It is slided importantly, being added
Mountain flour increases the thermal expansion coefficient of model, so that the high temperature resistance of fossil model enhances, relative to traditional ambrite
For model, the deformation extent in model later period is reduced.
Detailed description of the invention
Fig. 1 is the production method flow chart of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
As shown in Figure 1, the production method of fossil model proposed by the present invention the following steps are included:
Step 1: production template
Production template includes cleaning sample, production is framed, modulates the body of casting, is poured the body of casting, makes collet, retracting casting, is had
Body process is as follows:
(1) it clears up sample: spreading 1 disposable tablecloth in desktop, the fossil of clean surface is then placed in desktop, uses rubber
Skin mud fills up the gap of fossil, coats one layer of thin acrylic resin (B72), concentration 2%-5% after acetone cleaning.
(2) make framed: small-sized sample directly can be made into framed, the suitable plank split of big sample selection with plasticine
Be made it is framed, and with plasticine fill up fossil and it is framed between gap, notice that framed height requires more than fossil highest point height.
(3) modulate the body of casting: the body of casting includes component A silica gel and B component curing agent, and the ratio 100:1 of A, B component pour into paper
Cup is stirred 3 minutes with chopsticks, is then placed in vacuum desiccator the silica gel stirred evenly, and operation is taken out after five minutes.
(4) be poured the body of casting: silica gel slowly pours into it along a direction after preparing framed, and silica gel is paid attention to when pouring into most
Wire drawing shape is remained well, is finished down after silica gel and is blown out its blibbing with airbrush, waits silica gel finally to solidify, time 16-24
Hour.
(5) it makes collet: pouring into framed, waiting gypsum sets according to fossil size modulation proper amount of gypsum, the time is 2 small
When.Large and medium-sized template need to carry out gypsum foot before pouring into gypsum, and 1-2 layers of glass fibre are added among gypsum；And small mould
Plate need to only pour into gypsum and be made into collet, without doing gypsum foot plus glass fibre.
(6) it retracts casting: being removed after gypsum sets framed, successively take out collet and template, so far, fossil template has been made
It completes.
Step 2: production model
Production model be divided into production it is framed, modulate the body of casting, be poured the body of casting, retract casting.Wherein the body of casting may be selected F31 and gather
2 kinds of different types of ester resin, so corresponding 2 kinds of methods of F31 casting mold and polyester resin casting mold.
One: F31 casting mold of method
(1) it makes framed: produced fossil template is placed in desktop, repeating the method in step 1 is fossil template system
Make framed.(2) it modulates the body of casting: weighing suitable isocyanates, polyalcohol, the ratio 1: 1 of isocyanates and polyalcohol in the balance.
The isocyanates weighed up is poured into big dixie cup first, then adds polyalcohol, is quickly stirred, the time is 1 minute.To for
Model colouring, then first need to be entered dyestuff in isocyanates along wall of cup brush with brush before isocyanates is mixed with polyalcohol,
Even stirring, then adds polyalcohol.
(3) be poured the body of casting: by previous step be stirred the body of casting be quickly poured at once it is framed, if collection of fossils is larger,
The big glass fibre such as 1-2 layers and template is spread above the body of casting, is quickly poured by the appropriate body of casting of method re-modulation in (2) framed
In, keep glass fibre fully penetrated inside the body of casting, wait body of casting solidification, the time is 20 minutes.Small sample is then not necessarily to plus glass
Fiber.
(4) it retracts casting: after body of casting solidification, removing framed and take out finished product cast, with cutter, sand paper and electronic beat
Grinding machine casting removes extra part, is consistent model appearance with fossil prototype.
Method two: polyester resin casting mold
(1) it makes framed: produced fossil template is placed in desktop, repeating the method in step 1 is fossil template system
Make framed.
(2) it modulates the body of casting: according to fossil template size, weighing appropriate polyester resin, promotor, curing agent, dye in the balance
Material and talcum powder.It is stirred evenly with chopsticks, wherein the ratio of polyester resin and promotor and curing agent is all 1: 1, dyestuff and poly-
The ratio of ester resin must not exceed 5%, and the ratio of talcum powder and polyester resin is 40%.Polyester resin is poured into dixie cup first
In, promotor, dyestuff, talcum powder are then sequentially added, and cut a small amount of glass fibre and be sprinkled into wherein, stirs evenly, be eventually adding
Curing agent quickly stirs in 1 minute.
(3) be poured the body of casting: the body of casting that previous step is stirred is quickly poured at once it is framed, rough region brush
Sub brush rapidly is uniform.If collection of fossils is larger, the big glass fibre such as 1 layer and template is spread on the body of casting.By the side in (2)
The appropriate body of casting of method re-modulation is quickly poured into framed, keeps glass fibre fully penetrated inside the body of casting, waits body of casting solidification, time
It is 20 minutes.Small sample is then not necessarily to plus glass fibre.
(4) it retracts casting: after body of casting solidification, removing framed and take out finished product cast, with cutter, sand paper and electronic beat
Grinding machine removes extra resin, is consistent model appearance with fossil prototype.
Modelling personnel need to wear gloves, gown of a doctor and breathing mask in patternmaking process.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of production method of fossil model, including production template step and production model step,
Wherein, the production template step includes:
Acrylic resins of painting is as protective layer after cleaning fossil；
Framed, the modulation template body of casting is made, the template body of casting is poured into framed, standing after removing bubble removing, makes the solidification of the template body of casting；
Proper amount of gypsum is poured into it is framed, solidification form collet；
It removes framed, successively takes out collet and template, obtain fossil template；
The production model step includes:
It is framed for fossil template construct；
The modulation pattern body of casting, the model body of casting is poured into it is framed, make the model body of casting solidify；
It removes framed and takes out finished product cast, remove the extra model body of casting and obtain fossil model；
Wherein the model body of casting include isocyanates and polyalcohol or the model body of casting include polyester resin, promotor,
Curing agent and talcum powder.
2. manufacturing method according to claim 1, wherein the model body of casting includes isocyanates, dyestuff and polyalcohol
When, the mass ratio of isocyanates and polyalcohol is 1:1；The model body of casting includes polyester resin, promotor, curing agent, dyestuff
When with talcum powder, the mass ratio of polyester resin, promotor and curing agent is 1:1:1, and the mass ratio of talcum powder and polyester resin is
30-50%, it is preferable that the model body of casting further includes dyestuff, and the mass ratio of dyestuff and isocyanates or polyester resin is less than
5%.
3. manufacturing method according to claim 1, wherein the use of acetone is cleaning agent, the acrylic acid when cleaning fossil
The mass concentration of resin (B72) is 2%-5%.
4. manufacturing method according to claim 1, wherein it is framed using plasticine production when making small-sized fossil model,
When making macrofossil model or medium-sized fossil model, it is made of plate split framed.
5. manufacturing method according to claim 1, wherein the template body of casting includes silica gel and curing agent, silica gel and solid
The mass ratio of agent is 100:1.
6. manufacturing method according to claim 1, wherein by the template body of casting pour into it is framed after, with airbrush by blibbing
Blowout.
7. manufacturing method according to claim 1, wherein in production large size or medium-sized fossil model, by the model body of casting
Pour into it is framed after, the big glass fibre such as 1-2 layers and template is spread on the model body of casting, then proceedes to fall the appropriate model body of casting
Enter in framed, keep glass fibre fully penetrated inside the body of casting, stand, solidifies the model body of casting.
8. manufacturing method according to claim 1, wherein when the template is large-scale or medium-sized template, pouring into stone
It needs to carry out gypsum foot before cream, and 1-2 layers of glass fibre is added among gypsum.
9. manufacturing method according to claim 1, wherein the extra model body of casting utilizes cutter, sand paper and/or electronic
Sander.
10. manufacturing method according to claim 1, wherein the time of the template body of casting solidification is 16-24 hours, institute
The time for stating the solidification of the model body of casting is 10-30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736415.3A CN109035997A (en) | 2018-07-06 | 2018-07-06 | A kind of production method of fossil model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736415.3A CN109035997A (en) | 2018-07-06 | 2018-07-06 | A kind of production method of fossil model |
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| Publication Number | Publication Date |
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| CN109035997A true CN109035997A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810736415.3A Pending CN109035997A (en) | 2018-07-06 | 2018-07-06 | A kind of production method of fossil model |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016167A (en) * | 2018-07-06 | 2018-12-18 | 北京大学 | The restorative procedure of fossil in limestone |
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| CN1125453A (en) * | 1993-06-18 | 1996-06-26 | 汉克尔股份两合公司 | Isocyanate/polyol reaction resin |
| KR20020093780A (en) * | 2002-12-02 | 2002-12-16 | 하석홍 | Artificial fossil and their manufacturing method |
| CN1579813A (en) * | 2003-07-31 | 2005-02-16 | 黄能 | Decorative plate product with fossil-imitating effect and its making method |
| CN103072426A (en) * | 2010-03-30 | 2013-05-01 | 冷贝生 | Method for producing shaped artificial iceberg by using unsaturated polyester resin |
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2018
- 2018-07-06 CN CN201810736415.3A patent/CN109035997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125453A (en) * | 1993-06-18 | 1996-06-26 | 汉克尔股份两合公司 | Isocyanate/polyol reaction resin |
| KR20020093780A (en) * | 2002-12-02 | 2002-12-16 | 하석홍 | Artificial fossil and their manufacturing method |
| CN1579813A (en) * | 2003-07-31 | 2005-02-16 | 黄能 | Decorative plate product with fossil-imitating effect and its making method |
| CN103072426A (en) * | 2010-03-30 | 2013-05-01 | 冷贝生 | Method for producing shaped artificial iceberg by using unsaturated polyester resin |
Non-Patent Citations (2)
| Title |
|---|
| 付华林: "化石的制模-下", 《化石》 * |
| 广西壮族自治区文化厅，广西壮族自治区文物局: "《左江花山岩画研究报告集 下》", 31 December 2015, 广西科学技术出版社 * |
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| CN109016167A (en) * | 2018-07-06 | 2018-12-18 | 北京大学 | The restorative procedure of fossil in limestone |
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Application publication date: 20181218 |