CN113119360A - Method for copying large-scale integrally cast cultural relics - Google Patents
Method for copying large-scale integrally cast cultural relics Download PDFInfo
- Publication number
- CN113119360A CN113119360A CN202110310905.9A CN202110310905A CN113119360A CN 113119360 A CN113119360 A CN 113119360A CN 202110310905 A CN202110310905 A CN 202110310905A CN 113119360 A CN113119360 A CN 113119360A
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- CN
- China
- Prior art keywords
- mould
- gypsum
- module
- cultural relics
- model
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention discloses a method for duplicating large-scale integrally cast cultural relics, which comprises the following steps of: 1) scanning and collecting size data of the original cultural relic, and making a design drawing; 2) converting a design drawing into a vector diagram used by the engraving machine; 3) 3-dimensional carving is carried out on the carving material according to the vector diagram to form a prime mould; 4) cutting a parting line on the prime mould, and inserting a model cutting piece into the cut parting line; 5) mixing the model gypsum powder with water, adding the hemp fibers, and uniformly coating the mixture inside and outside the plain mould to form a gypsum mould module; 6) opening the gypsum mould module, cleaning and then smearing an isolating agent; 7) combining the resin composition with the glass fiber cloth, uniformly brushing the resin composition on the inner layer and the outer layer of the gypsum mold module and making a support; 8) and opening the plaster mold module and taking out the glass fiber reinforced plastic mold. Compared with the prior art, the method improves the manufacturing precision of the copied integrally-formed sculpture, reduces the process difficulty, shortens the manufacturing period and further reduces the cost.
Description
Technical Field
The invention belongs to the field of integral molding of large sculptures, and particularly relates to a method for copying large integrally cast cultural relics.
Background
Most integrally formed large sculptures on the market are manufactured by the existing traditional clay sculpture process, and are subjected to glass fiber reinforced plastic mold turnover on the basis of manually finished clay sculpture or further manufactured wax molds, and finally, metal integral casting is performed by a lost wax method. For example, chinese patent CN110549470A discloses a manufacturing process of a ceramic doll and a ceramic doll manufactured by the method, wherein the manufacturing process comprises the steps of shaping by using oil sludge, preparing clay male molds of hollow body parts, then pouring the clay male molds by using gypsum to obtain a rough mold, polishing the rough mold and performing resin filling to obtain a gray mold, pouring gypsum by using the gray mold to obtain a gypsum mold of the body parts, then preparing a clay blank by using the gypsum mold for reverse molding, glazing, and assembling to obtain the ceramic doll.
The existing sculpture manufacturing process is difficult to control the manufacturing precision, and particularly, the integrally formed sculpture with a large size is very easy to be influenced by temperature, so that the construction period is long, and the manufacturing process is strictly limited by increasing labor cost and environmental protection supervision.
Disclosure of Invention
The invention aims to: the method for copying the large integrally cast cultural relics solves the problems of high cost and long construction period of a clay sculpture process, improves the manufacturing precision of the large-size integrally molded sculpture, reduces the cost and improves the income.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for duplicating large-scale integrally cast cultural relics comprises the following steps:
1) scanning and collecting size data of the original cultural relic, and making a design drawing;
2) converting the design drawing into a vector diagram used by the engraving machine, and carrying out data inspection and graphic repair;
3) 3-dimensional carving is carried out on the carving material according to the vector diagram to form a prime mould;
4) cutting a parting line on the prime mould, and inserting a model cutting piece into the cut parting line;
5) mixing model gypsum powder with water, adding hemp fibers, uniformly coating the mixture inside and outside a plain mould to form a gypsum mould module, and installing a handle on each module formed by dividing a model dividing piece;
6) opening the gypsum mould module, cleaning and then smearing an isolating agent;
7) combining the resin composition with the glass fiber cloth, uniformly brushing the resin composition on the inner layer and the outer layer of the gypsum mold module and making a support;
8) open gypsum mould module, take out the plastic injection molding mould, the data of scanning collection plastic injection molding mould is compared with the data of former historical relic, repairs or polishes to the place that has the difference, colors according to the design effect at last.
As a further description of the above technical solution:
in step 3), the engraving material includes foam, wood substitute material, PU material, synthetic board material and resin.
As a further description of the above technical solution:
in the step 3), the carved plain dies are manually detected, and the left traces are manually polished and machined.
As a further description of the above technical solution:
in step 5), the model landplaster is mixed with water in a ratio of 3: 1.
As a further description of the above technical solution:
in the step 5), the model gypsum powder is mixed with water, then the hemp threads are added, and the mixture is uniformly coated inside and outside the plain mould in 3 layers.
As a further description of the above technical solution:
in step 6), after the gypsum mold module is opened, a joint line is well modified during cleaning, and then a release agent is coated.
As a further description of the above technical solution:
in step 7), the resin composition comprises resin, talcum powder, catalyst and curing agent, and the ratio of the resin to the talcum powder is 1: 2.
As a further description of the above technical solution:
in step 7), the resin composition is combined with the glass fiber cloth and is uniformly coated on the inner layer and the outer layer of the plaster mold module in 3 layers.
As a further description of the above technical solution:
in step 8), the removed molded glass unit is aged.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the dimension data of the original cultural relic is scanned to manufacture a design drawing and is converted into a vector diagram, the carving material is carved into the prime model for manufacturing the mould in 3 dimensions by the carving machine, the manufacturing precision of the mould is improved, the manufacturing precision of the copied integrally-formed sculpture is further improved, the process difficulty is reduced, the manufacturing period is shortened, and the cost is further reduced. And after the model is manufactured, repairing or polishing is carried out according to the scanning data of the original cultural relic, so that the manufacturing precision of the model is further improved.
2. In the invention, the material with low price and strong plasticity is used for manufacturing the plain model, such as foam, wood substitute material, PU material, synthetic plate and resin, so that the processing is convenient, and the manufacturing cost of the model is effectively reduced.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below. While exemplary embodiments of the present disclosure have been shown, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example 1: a method for duplicating large-scale integrally cast cultural relics comprises the following specific implementation steps:
A. scanning and collecting size data of the original cultural relic to make a design drawing;
B. delivering the design drawing to a 3-dimensional department, converting the design drawing into a vector diagram used by the engraving machine, and performing data inspection and graph repair;
C. selecting a high-density foam material which is easy to wash and cut to carry out 3-dimensional carving;
D. manually detecting the washed and cut 3-dimensional foam biscuit, manually polishing the left traces by mechanical processing, and improving the precision of the mould to improve the manufacturing precision of the sculpture;
E. performing a material preparation operation comprising: a corresponding amount of model No. 196 resin, a catalyst and a curing agent which are matched with the model No. 196 resin, 20cm square glass fiber cloth, 5-inch wide bristle brush, a flexible bucket, 0.5mm thick 5cm square flexible model partition sheets and a proper amount of hemp filaments);
F. cutting a parting line on a foam biscuit mould by using a wallpaper cutter, and inserting half depth of a flexible mould cutting piece with the thickness of 0.5mm and the square of 5cm into the cut parting line from beginning to end;
G. mixing water and model gypsum powder according to the proportion of 1: 3, adding hemp thread, uniformly coating the hemp thread in and out of a foam plain mould in 3 layers to form a gypsum mould module, and reinforcing and dismounting a handle on each module;
H. opening a gypsum mould module, carefully cleaning, finishing a joint line, and then coating a release agent;
I. mixing 196 model resin and talcum powder according to the ratio of 1: 2, simultaneously filling a catalyst and a curing agent, then combining 20cm square glass fiber cloth, uniformly coating the mixture on the inner layer and the outer layer of a gypsum mould in 3 layers and well supporting;
J. opening the plaster mold, taking out the glass fiber reinforced plastic model, scanning and collecting the data of the glass fiber reinforced plastic model, comparing the data with the data of the original cultural relic, repairing or polishing the place with the difference, improving the manufacturing precision of the copied model, performing art antiquing, and finally coloring according to the design effect to finally complete.
The carving material is not only limited to the material with low price and strong plasticity, such as foam, but also can be made of a series of materials, such as wood substitute materials, PU materials, synthetic plates, resin and the like, so that the cost is saved, and the manufacturing speed is increased.
And step H, when the gypsum mould module is cleaned, the joint line is well decorated, and then the isolating agent is coated, so that the manufacturing precision of the sculpture is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A method for duplicating large-scale integrally cast cultural relics is characterized by comprising the following steps:
1) scanning and collecting size data of the original cultural relic, and making a design drawing;
2) converting the design drawing into a vector diagram used by the engraving machine, and carrying out data inspection and graphic repair;
3) 3-dimensional carving is carried out on the carving material according to the vector diagram to form a prime mould;
4) cutting a parting line on the prime mould, and inserting a model cutting piece into the cut parting line;
5) mixing model gypsum powder with water, adding hemp fibers, uniformly coating the mixture inside and outside a plain mould to form a gypsum mould module, and installing a handle on each module formed by dividing a model dividing piece;
6) opening the gypsum mould module, cleaning and then smearing an isolating agent;
7) combining the resin composition with the glass fiber cloth, uniformly brushing the resin composition on the inner layer and the outer layer of the gypsum mold module and making a support;
8) open gypsum mould module, take out the plastic injection molding mould, the data of scanning collection plastic injection molding mould is compared with the data of former historical relic, repairs or polishes to the place that has the difference, colors according to the design effect at last.
2. The method for reproducing large integrally cast cultural relics, according to the claim 1, wherein in the step 3), the carving material comprises foam, wood substitute material, PU material, synthetic plate material and resin.
3. The method for reproducing the large-scale integral casting cultural relics, according to the claim 1, wherein in the step 3), the carved plain model is manually detected, and the trace left by the mechanical processing is manually ground.
4. The method for reproducing large integrally cast cultural relics, according to the claim 1, wherein in the step 5), the model gypsum powder and the water are mixed according to the ratio of 3: 1.
5. The method for reproducing the large-scale integral casting cultural relics, according to the claim 1 or 4, wherein in the step 5), the model gypsum powder is mixed with water, then the hemp is added, and the mixture is evenly coated inside and outside the plain mould in 3 layers.
6. The method for reproducing large integrally cast historical relics, according to the claim 1, wherein, in the step 6), after opening the plaster mold module, the joint line is modified during cleaning, and then the release agent is coated.
7. The method for reproducing the large-scale integral casting cultural relics, according to the claim 1, wherein in the step 7), the resin composition comprises resin, talcum powder, catalyst and curing agent, and the ratio of the resin to the talcum powder is 1: 2.
8. The method for reproducing large integrally cast cultural relics, according to claim 1 or 7, wherein in the step 7), the resin composition and the glass fiber cloth are combined and uniformly coated on the inner and outer layers of the plaster mold module in 3 layers.
9. The method for reproducing large integrally cast cultural relics, according to the claim 1, wherein in the step 8), the removed glass fiber reinforced plastic mold is aged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310905.9A CN113119360A (en) | 2021-03-24 | 2021-03-24 | Method for copying large-scale integrally cast cultural relics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310905.9A CN113119360A (en) | 2021-03-24 | 2021-03-24 | Method for copying large-scale integrally cast cultural relics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113119360A true CN113119360A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110310905.9A Pending CN113119360A (en) | 2021-03-24 | 2021-03-24 | Method for copying large-scale integrally cast cultural relics |
Country Status (1)
| Country | Link |
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| CN (1) | CN113119360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179561A (en) * | 2022-01-07 | 2022-03-15 | 广州市楚汉园林雕塑有限公司 | Manufacturing process for welding sculpture by using waste metal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091087A (en) * | 1993-03-14 | 1994-08-24 | 吴长林 | Glass fibre reinforced plastics stature and manufacture method thereof |
| CN107160934A (en) * | 2017-07-03 | 2017-09-15 | 苏州金螳螂文化发展股份有限公司 | Fiberglass sculpture shaping technique |
| CN109941027A (en) * | 2019-02-28 | 2019-06-28 | 北京建筑大学 | A kind of method of large size rock cave class historical relic equal proportion duplication |
-
2021
- 2021-03-24 CN CN202110310905.9A patent/CN113119360A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091087A (en) * | 1993-03-14 | 1994-08-24 | 吴长林 | Glass fibre reinforced plastics stature and manufacture method thereof |
| CN107160934A (en) * | 2017-07-03 | 2017-09-15 | 苏州金螳螂文化发展股份有限公司 | Fiberglass sculpture shaping technique |
| CN109941027A (en) * | 2019-02-28 | 2019-06-28 | 北京建筑大学 | A kind of method of large size rock cave class historical relic equal proportion duplication |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179561A (en) * | 2022-01-07 | 2022-03-15 | 广州市楚汉园林雕塑有限公司 | Manufacturing process for welding sculpture by using waste metal |
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