CN1712198A - Fast moulding method of ceramic toilet based on CAD/CAE/CAM - Google Patents
Fast moulding method of ceramic toilet based on CAD/CAE/CAM Download PDFInfo
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- CN1712198A CN1712198A CN 200510034725 CN200510034725A CN1712198A CN 1712198 A CN1712198 A CN 1712198A CN 200510034725 CN200510034725 CN 200510034725 CN 200510034725 A CN200510034725 A CN 200510034725A CN 1712198 A CN1712198 A CN 1712198A
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Abstract
A fast mould-making method based on CAD/CAE/CAM for the ceramic closet includes such steps as CAD and CAE of product, CAD for the gypsum mould of product, CAM of said gypsum mould, casting the pottery blank of product, calcining product, testing its water flushing performance, modifying the gypsum mould, copying resin mould, and copying gypsum moulds.
Description
1, technical field:
The present invention is a kind of ceramic pedestal pan rapid die-manufacturing method based on CAD/CAE/CAM, belongs to ceramic rapid die-manufacturing method innovative technology.
2, background technology:
At present, China's ceramic industry is that the molding of the complicated cleaners and polishes of representative is almost all finished by manual with the toilet seat, its molding flow chart as shown in Figure 1, in the new-product development process, consuming time most expensive be " making of original potter's clay blank " to stage that " flush performance test " passed through.Owing to adopt manual mode fully, about 2 a months time of ripe technician of making needs of finishing an original potter's clay blank according to a product concept or prototype; And owing to can only determine geomery by model, therefore the precision of the geometry of original blank, physical dimension etc. is all lower; Whole process is to the technology degree of dependence height of manufacturer.After finishing original potter's clay blank making, turn over the gypsum mold of making test usefulness, and produce the trial-production blank and fire test products, carry out the test of flush performance and burning process.After test, could make the resin master mold, turn over the system gypsum work mould in batches, formally produce.But because the burning process of product is not had relevant basic theory analysis with flush performance, and complete experience with the technical staff, and the precision of original blank is lower; So, generally to could pass through the flush performance test of national standard by repeating repeatedly to revise plaster work mold on probation, making test products, this process need expends a large amount of time and fund; New product development needs the research and development expense of about half a year to ten thousand yuan of year and 10-20.
3, summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming and a kind of shortening product development cycle is provided, reduce exploitation and production cost, accelerate the update of new product, the ceramic hygienic articles rapid die-manufacturing method that improves the quality of products based on computer-aided manufacturing.The present invention can strengthen the research and development ability of new product, can promote developing rapidly of whole industry, and manufacturer is got the mastery in keen competition market.
Molding flow chart of the present invention as shown in Figure 2, the ceramic hygienic articles rapid die-manufacturing method that the present invention is based on CAD/CAE/CAM includes following steps:
1) CAD of product and ancillary works;
2) CAD of test products gypsum mold;
3) computer-aided manufacturing of test products plaster mold;
4) the potter's clay blank of pouring experiment product;
5) fire test products;
6) modification of test of the flush performance of test products and plaster mold;
7) turn over system resin master mold by plaster mold;
8) turn over the system gypsum work mould in batches.
Above-mentioned steps 6) flush performance of test products is tested the numerical simulation of being carried out water-rinsing process by computer in, with the bath service behaviour of prediction toilet seat.
Above-mentioned steps 2) contraction and the distortion of potter's clay blank considered in the CAD of test products gypsum mold automatically in, and carries out the somatotype design by this Module Design guide.
Above-mentioned steps 3) manufacturing of test products plaster mold is machined by Digit Control Machine Tool in.
The present invention abandons manual die-manufacturing method, after at first obtaining desirable cleaning tool model by products C AD/CAE, do not process original sanitary equipment blank, but pass through the CAM link of test products plaster mold, directly the gypsum work mould of processing experiment product, therefore, it not only can save time and expense that original blank is made, shortens product development cycle, reduces exploitation and production cost, accelerate the update of new product, and save the expense that original blank is made; And can put forward the shape and size precision of original blank greatly, improve the quality of products.The present invention can strengthen the research and development ability of new product, can promote developing rapidly of whole industry, and manufacturer is got the mastery in keen competition market.The present invention is a kind of convenient and practical ceramic hygienic articles rapid die-manufacturing method based on CAD/CAE/CAM.
4, description of drawings:
Fig. 1 is the molding flow chart of prior art;
Fig. 2 is a molding flow chart of the present invention.
5, the specific embodiment:
Molding flow chart of the present invention as shown in Figure 2, the ceramic hygienic articles rapid die-manufacturing method that the present invention is based on CAD/CAE/CAM includes following steps:
1) CAD of product and ancillary works (CAD/CAE);
2) CAD of test products gypsum mold (CAD);
3) computer-aided manufacturing of test products plaster mold (CAM);
4) the potter's clay blank of pouring experiment product;
5) fire test products;
6) modification of test of the flush performance of test products and plaster mold;
7) turn over system resin master mold by plaster mold;
8) turn over the system gypsum work mould in batches.
Above-mentioned steps 1) products C AD can set up the three-dimensional data model of product fast according to product concept or prototype in, can carry out in advance assessment to the outward appearance of sanitary ware product and structure etc., checks the design effect of product; Products C AD is the basis of realizing that the product digitlization is made, and it runs through each link of whole R﹠D cycle of sanitary ware product, design and manufacturing from conceptual design, structural design, technological design to gypsum work mould and resin master mold.Utilization products C AD, practical product information storehouse is set up in the standardization of more convenient realization product type of energy and product structure; By computer network, can also realize the online customization of network design and personalized sanitary ware product, enrich product type, prolong the product life cycle, expand produce market.
The product type of cleaners and polishes is divided into the functional module of designs such as toilet seat, squatting pan, urinal, wash basin, bathtub and other type.Each module provides a modeling and has revised guide for the designer, is used for making up and revising parameterized sanitary equipment cad model.The Parametric CAD model is made of a series of geometric properties, these feature combinations are determined according to the difformity architectural feature of similar sanitary equipment being analyzed fully abstract back, can express the diversity that similar sanitary equipment shape and structure changes, again can be according to a flow process modeling of reasonably determining.The modeling flow process is decomposed into the plurality of sub process according to the sequencing of correlation between the feature and feature foundation, and toilet seat modeling subprocess has the design of water bag, ring design, waterbox design, the design of water inlet duct, blow-off pipe design, base designs etc.The Partial Feature structure of each subprocess structure model is feature one by one, passes through global parameter or local parameter association between the feature.Feature is made up of the correlated characteristic that makes up by the feature contour line, and outline line is established the shape and size of optimizing according to industry standard and correlation experience, is generally represented by B-spline Curve; This curve can guarantee abundant change of shape, is convenient to the foundation and the modification of feature again.Can make up and revise designed product cad model fast by modeling and modification guide.
Above-mentioned steps 1) products C AE is the advanced technology that computer technology and project analysis technology combine and form in, and its utilization Computational Mechanics, computational mathematics and digital simulation technique etc. is analyzed the performance of deisgn product.The CAE technology is the key link of the creation of value in the modern product design, becomes enterprise gradually and realizes one of main guarantee of innovative design.
Flush performance is the key component of part sanitary ware product (particularly toilet seat) quality, and it comprises two aspects, the i.e. pollution discharge capability of the scouring effect of sanitary equipment wall dirt and sanitary equipment.Scouring effect is relevant with the duration with the water velocity of wall, and pollution discharge capability is with flow velocity, fluidised form, the siphonage and relevant to the mode of action of solid dirt of water.The toilet seat water-rinsing process is that the unstable state that mixes with solid of a kind of complicated runner fluid is flowed, and comprises fixing and complicated boundary condition freely.For the process fluid flow of this complexity, though can set up corresponding mathematics mechanical model, it is impossible obtaining accurate analytic solutions, can only adopt numerical method analysis.
The present invention has set up the numerical analysis model and the boundary condition of toilet seat bath simulation process, and the test method of checking numerical model.The water-rinsing process numerical analysis has two types.A kind of is pure fluid Numerical Analysis of Flow, adopt the Fluid Mechanics Computation method to carry out, promptly use finite volume method or Finite Element Method impacts flush process is carried out numerical computations, obtain the distribution situation of flow velocity, pressure in the sanitary equipment bath flow field, determine its scouring effect according to wall water velocity and duration, according to relevant informations such as fluidised form, flow velocity and pressure drop assessment pollution discharge capability.Another kind is to flow the numerical analysis that is coupled admittedly, promptly uses based on any Lagrange-Finite Element of Euler's description or the methods analyst water-rinsing process of finite element limited bulk combination, obtains the characteristics of motion of the mobile and dirt of water, and the impacts flush performance is assessed.By numerical analysis, can allow the designer before the sanitary ware product manufacturing, understand the flush performance of designed product intuitively, determine whether product structure needs to revise, and the relevant information of the modification that supplies a model etc.After application product CAD carries out model modification, can further carry out numerical analysis, cyclic process through this " design-analysis-design again-analyze again ", can optimize the structure of product, improve the quality of products, minimizing is to product prototype and test the modification repeatedly of using mould, reduces the outturn sample of using actual sanitary equipment and carries out the flush performance experimental test and analyze required time and cost.
Above-mentioned steps 2) Die CAD is the basis of making gypsum work mould on probation in.Die CAD has the key technology of two aspects, and promptly deformation-compensated the and die module definite, that the potter's clay blank is fired of mold cavity geomery splits.Because will producing in sintering procedure, shrinks and distortion by the potter's clay base, therefore must be according to the information of products C AD with the corresponding amplification of mold cavity, and may produce the big level of distortion and vertical plane and should carry out reversible deformation and handle, with the net shape of assurance product.Simultaneously because the complex structure of sanitary equipment in order to make things convenient for form removal after the slurry molding of potter's clay blank, must split into plurality of modules with mould according to a minute modular form, the mode of loosing core.The present invention in the Three-dimensional Design Software secondary development of commercialization the design guide of ceramic die, the simple guidance that aids in the technical staff more just can be carried out the piecemeal design of ceramic die.According to the cad data model of this die module, can use CAM to generate machining code, directly process the gypsum work mould of trial product by Digit Control Machine Tool.
The numerical analysis model and the boundary condition of product parameters CAD, toilet seat bath simulation process, and verify that the test method of numerical model and the CAD/CAM of mould are cores of the present invention, it also is the core of toilet seat new-product development, in this programme, do not process original toilet seat blank, but by step 2) Die CAD and the CAM link of the test products plaster mold of step 3), directly gypsum work mould is tried out in processing.Do not need to make original blank in this programme, can save the time and the expense of new product development.
Above-mentioned steps 6) if in test products fail by flush performance test,, still can make amendment to the test products plaster mold, get back to step 4) after the modification.
Claims (4)
1, a kind of ceramic pedestal pan rapid die-manufacturing method based on CAD/CAE/CAM is characterized in that including following steps:
1) CAD of product and ancillary works;
2) CAD of test products gypsum mold;
3) computer-aided manufacturing of test products plaster mold;
4) the potter's clay blank of pouring experiment product;
5) fire test products;
6) modification of test of the flush performance of test products and plaster mold;
7) turn over system resin master mold by plaster mold;
8) turn over the system gypsum work mould in batches.
2, the ceramic pedestal pan rapid die-manufacturing method based on CAD/CAE/CAM according to claim 1, it is characterized in that above-mentioned steps 6) in the flush performance test of test products carry out the numerical simulation of water-rinsing process by computer, with the bath service behaviour of prediction toilet seat.
3, the ceramic pedestal pan rapid die-manufacturing method based on CAD/CAE/CAM according to claim 1, it is characterized in that above-mentioned steps 2) in the CAD of test products gypsum mold, special-purpose design module is considered the contraction and the distortion of potter's clay blank automatically, and carries out the somatotype design by this Module Design guide.
4, the ceramic pedestal pan rapid die-manufacturing method based on CAD/CAE/CAM according to claim 1 is characterized in that above-mentioned steps 3) in the manufacturing of test products plaster mold machine by Digit Control Machine Tool.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100347253A CN100410042C (en) | 2005-05-23 | 2005-05-23 | Fast moulding method of ceramic toilet based on CAD/CAE/CAM |
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| CNB2005100347253A CN100410042C (en) | 2005-05-23 | 2005-05-23 | Fast moulding method of ceramic toilet based on CAD/CAE/CAM |
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| CN1712198A true CN1712198A (en) | 2005-12-28 |
| CN100410042C CN100410042C (en) | 2008-08-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011073996A2 (en) * | 2009-12-14 | 2011-06-23 | Mandar Parkhi | System for creating, modifying and customizing model of engineering equipment |
| CN104102208A (en) * | 2014-07-12 | 2014-10-15 | 唐山梦牌瓷业有限公司 | Ceramic sanitary ware digital development method |
| CN104162929A (en) * | 2014-08-06 | 2014-11-26 | 佛山东鹏洁具股份有限公司 | Female die for ceramic sanitary ware and production method thereof |
| CN106113234A (en) * | 2016-06-29 | 2016-11-16 | 咸阳陶瓷研究设计院 | Sanitary ceramic die forming method based on three-dimensional printing technology |
| DE102020107158A1 (en) * | 2019-10-23 | 2021-04-29 | Hamberger Industriewerke Gmbh | Method and device for producing a toilet seat set and toilet seat set |
| CN113863450A (en) * | 2021-09-28 | 2021-12-31 | 惠达卫浴股份有限公司 | Flushing process acquisition system and method for common mechanical toilet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980813A (en) * | 1997-04-17 | 1999-11-09 | Sri International | Rapid prototyping using multiple materials |
| CN1351927A (en) * | 2001-12-14 | 2002-06-05 | 清华大学 | Process of computer-aided mould-free forming ceramic part blank |
-
2005
- 2005-05-23 CN CNB2005100347253A patent/CN100410042C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011073996A2 (en) * | 2009-12-14 | 2011-06-23 | Mandar Parkhi | System for creating, modifying and customizing model of engineering equipment |
| WO2011073996A3 (en) * | 2009-12-14 | 2011-10-06 | Mandar Parkhi | System for creating, modifying and customizing model of engineering equipment |
| CN104102208A (en) * | 2014-07-12 | 2014-10-15 | 唐山梦牌瓷业有限公司 | Ceramic sanitary ware digital development method |
| CN104162929A (en) * | 2014-08-06 | 2014-11-26 | 佛山东鹏洁具股份有限公司 | Female die for ceramic sanitary ware and production method thereof |
| CN106113234A (en) * | 2016-06-29 | 2016-11-16 | 咸阳陶瓷研究设计院 | Sanitary ceramic die forming method based on three-dimensional printing technology |
| DE102020107158A1 (en) * | 2019-10-23 | 2021-04-29 | Hamberger Industriewerke Gmbh | Method and device for producing a toilet seat set and toilet seat set |
| CN113863450A (en) * | 2021-09-28 | 2021-12-31 | 惠达卫浴股份有限公司 | Flushing process acquisition system and method for common mechanical toilet |
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| CN100410042C (en) | 2008-08-13 |
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