CN107718249A - A kind of preparation method of gas mould in situ - Google Patents
A kind of preparation method of gas mould in situ Download PDFInfo
- Publication number
- CN107718249A CN107718249A CN201710860973.6A CN201710860973A CN107718249A CN 107718249 A CN107718249 A CN 107718249A CN 201710860973 A CN201710860973 A CN 201710860973A CN 107718249 A CN107718249 A CN 107718249A
- Authority
- CN
- China
- Prior art keywords
- silicon rubber
- mould
- sample
- bed die
- preparation
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
Abstract
The invention discloses a kind of preparation method of gas mould in situ, comprise the following steps：S1：Sample is divided into mould state with plasticine；Silicon rubber is coated on the sample surface for being divided into mould state, forms bed die；After bed die applies third layer silicon rubber, highs and lows that sample is formed on mould are stretched tight with gauze, move towards that selvedge is sturdy along projection；Treat that bed die silicon rubber solidifies, then silicon rubber is applied on the gauze, treat the silicon rubber solidification, form gas mould.Beneficial effects of the present invention：Gas mould of the present invention can be separated effectively with sample, and stripping result is good, has greatly simplified working procedure, improve operating efficiency, while reduce cost, alleviate the weight of mould, and easy to operate, and it is extensive to adapt to material.
Description
Technical field
The present invention relates to restriking dies technical field, it particularly relates to a kind of preparation method of gas mould in situ.
Background technology
Due to the scrambling of sample, the Vertebrate Paleontology Fossil collection in up to ten thousand years of more than one hundred million years is returned from field in people
Afterwards, sample is turned into by repairing research.These collection of fossils are can hardly be avoided departing from original buring environment weathering problem.In order to
Ensure our work do not stay it is sorry, we will be important collection of fossils do mold former to back up.Having mould, we can
To make the displaying for deliberation of more multi-model, more people are allowed to understand the development evolution course of extinct plants and animal.
Mention mold former and all be unable to do without material and technology from scratch.Before silastic material appearance, gypsum is exactly
Make the main material of mold former.Although gypsum has good plasticity, also have well to the lines on sample and vestige
Expression power, but also there is it is many unconquerable the shortcomings that.For example gypsum lacking toughness is easily broken, easily making moist makes mold powder
Fall.Technique is complicated and heavy.When especially turning over macrofossil sample processed, these shortcomings are especially prominent.So people always strive to
Find more preferable material substitution gypsum.
After silicon rubber enters mould applications, by its excellent performance and plasticity, the demand of people is met.Silicon
The pliability of rubber just overcomes the shortcomings that gypsum is frangible.Silicon rubber is highdensity material, therefore not moisture-sensitive.There is silicon
Rubber makes mould process once become simple.People need not disperse too many energy because of the structure problem of gypsum mold again.For
As long as the good mould of simple sample point coats silicon rubber, then is held mould shape with gypsum.But VERTEBRATE FOSSILS
Sample is not all simple, single.Such as link together cervical vertebra, thoracic vertebrae, recommend vertebra etc., it is all very complicated for making mould.
Risen and fallen because this kind of sample is concavo-convex, complex shape, structure are complicated, except a point good mold line, after coating silicon rubber on sample, go back
Many restriking dies are made, to adapt to the needs of outer cover mold.After mould is carried out, there have been new after sample is removed from the molds
The problem of, though being made of silicon rubber plus gypsum, mould is good, but loses the structure that gypsum makees mould, and restriking dies can not be with cover mold
It is connected, causes restriking dies to disconnect so that silicon rubber internal model gross distortion.Solved at that time without suitable method, can only
A little fillings are done in mould.
We when making mould using silicon rubber combination gypsum except find more than some problems in addition to, an also problem
Do not solve, that is, the problem of gypsum material is relatively cumbersome.
The nineties abroad make mold former because exchanges and cooperation let us that international extinct plants and animal works is had a taste of
The superiority of material.External no matter mould or model all employ frp process, and this material was not only firm but also light, its
Feature is exactly what we needed.
Fiberglass is combined into by resin and glass fibre.With it do cover mold not only it is firm but also it is light also have it is certain
Elasticity.When we start from fiber reinforced plastic mold, it is not contemplated to and which problem occurs, resin has very strong infiltration
Property, we still make restriking dies with gypsum, although right before upper fiberglass cover mold, one has been done to gypsum restriking dies with tinfoil butter
A little quarantine measures, but after fiberglass cover mold is carried out, find resin and gypsum during die sinking still there occurs very serious to glue
Knot, very burden is caused to die sinking.Gypsum restriking dies is not preferable restriking dies for fiber reinforced plastic mold as can be seen here
Material.Need to seek other approach and material to improve the link for solving restriking dies.
The external method when handling restriking dies, combined using silicon rubber with vermiculite.Applied needing the position for making restriking dies
Upper release agent, the silicon rubber for having added vermiculite is then made into restriking dies, then finishing mould surface is sticked into tinfoil.It is thus relatively good
The infiltration problem for solving resin.We improve the material of foreign countries without vermiculite, and vermiculite is replaced with broken sponge slag.(this
We add a job again with sample, shred sponge slag).
The silicon rubber for mixing broken sponge slag, which is placed on, needs the position for making restriking dies, then sticks gauze and coats silicon rubber
Glue, can does fiberglass cover mold after silicon rubber solidification.This addresses the problem the infiltration problem of resin, and we are in die sinking
New problem is found that again, and restriking dies is inseparable with main mould, and restriking dies is entity, and it is on the contrary into obstacle during the demoulding.See
Carry out this method also imperfection, it is also necessary to improve.
Allow restriking dies how to exist, the infiltration problem for preventing resin can be met, and do not influence the demouldingWith reference to
Foreign countries are analyzed with our way, it is seen that, either add vermiculite still to add broken sponge slag all from not when making restriking dies
Open silicon rubber.It is also best impermeabilisation material that silicon rubber, which is not only good mold materials,.How by the Optimality of silicon rubber
It can greatly bring into play, be the major issue for needing us to rethink.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of preparation method of gas mould in situ, Neng Gouke
Take the above-mentioned deficiency of prior art.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of preparation method of gas mould in situ, it is characterised in that comprise the following steps：
S1：Sample is divided into mould state with plasticine；
S2：Silicon rubber is coated on the sample surface for being divided into mould state, forms bed die；
S3：After bed die applies third layer silicon rubber, highs and lows that sample is formed on mould are stretched tight with gauze
Get up, move towards that selvedge is sturdy along projection；
S4：Treat that bed die silicon rubber solidifies, then silicon rubber is applied on the gauze, treat the silicon rubber solidification, form gas mould.
Further, in step s 2, three layers of silicon rubber are applied.
Further, warp layer cloth is increased after second layer silicon rubber is applied.
Beneficial effects of the present invention：Gas mould of the present invention can be separated effectively with sample, and stripping result is good, significantly
Simplified working procedure, improve operating efficiency, while reduce cost, alleviate the weight of mould, and easy to operate,
It is extensive to adapt to material.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of the preparation method of gas mould in situ described according to embodiments of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
As shown in figure 1, a kind of preparation method of gas mould in situ described according to embodiments of the present invention, comprises the following steps：
S1：Sample is divided into mould state with plasticine；
S2：Silicon rubber is coated on the sample surface for being divided into mould state, forms bed die；
S3：After bed die applies third layer silicon rubber, highs and lows that sample is formed on mould are stretched tight with gauze
Get up, move towards that selvedge is sturdy along projection；
S4：Treat that bed die silicon rubber solidifies, then silicon rubber is applied on the gauze, treat the silicon rubber solidification, form gas mould.
In one embodiment, in step s 2, three layers of silicon rubber are applied.
In one embodiment, warp layer cloth is increased after second layer silicon rubber is applied.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical scheme is described in detail.
When specifically used, operating process of the invention is as follows：
Sample is divided into mould state with plasticine first；Then coated on the sample surface for being divided into mould state
Silicon rubber, bed die is formed, silicon rubber needs to apply three layers, in order to strengthen the toughness of silicon rubber, needs increase by one after the second layer is applied
Layer gauze；Secondly, after bed die applies third layer silicon rubber, highs and lows that sample is formed on mould use gauze
Stretch tight, move towards that selvedge is sturdy along projection；Finally, after the solidification of bed die silicon rubber, these cloth just form sky with bed die
Between, then silicon rubber is coated on gauze, after silicon rubber solidification, a kind of finishing gas mould being connected with counterdie is formed.
This finishing gas mould of the present invention is of wide application, and is applicable not only to fiber reinforced plastic mold and is applied equally to
Gypsum mold, while its maximum advantage is large area, the complicated mould of sample can more embody its advantage, one
Block cloth can cover many places for needing to make restriking dies, greatly simplify working procedure, and the process of complexity is once become
It is simple；For reducing workload, working strength is reduced, accelerates job schedule, all plays good effect.
In summary, gas mould of the present invention can be separated effectively with sample, and stripping result is good, greatly simplifies
Working procedure, operating efficiency is improved, while reduce cost, alleviate the weight of mould, and it is easy to operate, adapt to material
Extensively.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (3)
1. a kind of preparation method of gas mould in situ, it is characterised in that comprise the following steps：
S1：Sample is divided into mould state with plasticine；
S2：Silicon rubber is coated on the sample surface for being divided into mould state, forms bed die；
S3：After bed die applies third layer silicon rubber, highs and lows that sample is formed on mould are stretched tight with gauze
Come, move towards that selvedge is sturdy along projection；
S4：Treat that bed die silicon rubber solidifies, then silicon rubber is applied on the gauze, treat the silicon rubber solidification, form gas mould.
2. the preparation method of a kind of gas mould in situ according to claim 1, it is characterised in that in step s 2, apply three layers
Silicon rubber.
3. the preparation method of a kind of air restriking dies according to claim 2, it is characterised in that applying second layer silicon rubber
Increase warp layer cloth afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860973.6A CN107718249A (en) | 2017-09-21 | 2017-09-21 | A kind of preparation method of gas mould in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860973.6A CN107718249A (en) | 2017-09-21 | 2017-09-21 | A kind of preparation method of gas mould in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107718249A true CN107718249A (en) | 2018-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860973.6A Pending CN107718249A (en) | 2017-09-21 | 2017-09-21 | A kind of preparation method of gas mould in situ |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579813A (en) * | 2003-07-31 | 2005-02-16 | 黄能 | Decorative plate product with fossil-imitating effect and its making method |
| CN202656351U (en) * | 2012-04-25 | 2013-01-09 | 太阳鸟游艇股份有限公司 | Silicon rubber porthole die |
| CN105711008A (en) * | 2016-02-14 | 2016-06-29 | 余启佳 | Method for manufacturing simulated sword bean mold |
| CN106166811A (en) * | 2016-07-01 | 2016-11-30 | 宜兴市凯诚模具有限公司 | A kind of production technology of silica gel mould |
| US20160361845A1 (en) * | 2015-06-10 | 2016-12-15 | Michelle Weddle | Method for Casting Succulents |
-
2017
- 2017-09-21 CN CN201710860973.6A patent/CN107718249A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1579813A (en) * | 2003-07-31 | 2005-02-16 | 黄能 | Decorative plate product with fossil-imitating effect and its making method |
| CN202656351U (en) * | 2012-04-25 | 2013-01-09 | 太阳鸟游艇股份有限公司 | Silicon rubber porthole die |
| US20160361845A1 (en) * | 2015-06-10 | 2016-12-15 | Michelle Weddle | Method for Casting Succulents |
| CN105711008A (en) * | 2016-02-14 | 2016-06-29 | 余启佳 | Method for manufacturing simulated sword bean mold |
| CN106166811A (en) * | 2016-07-01 | 2016-11-30 | 宜兴市凯诚模具有限公司 | A kind of production technology of silica gel mould |
Non-Patent Citations (2)
| Title |
|---|
| 付华林: "化石制模新工艺（二）", 《化石》 * |
| 范君艳等: "快速软模在工艺品上的应用", 《昆明理工大学学报（自然科学版）》 * |
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Application publication date: 20180223 |