CN1962220B - Method for manufacturing ceramic cleaning tool model and ceramic cleaning tool model manufactured therefrom - Google Patents

Method for manufacturing ceramic cleaning tool model and ceramic cleaning tool model manufactured therefrom Download PDF

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Publication number
CN1962220B
CN1962220B CN200610123839A CN200610123839A CN1962220B CN 1962220 B CN1962220 B CN 1962220B CN 200610123839 A CN200610123839 A CN 200610123839A CN 200610123839 A CN200610123839 A CN 200610123839A CN 1962220 B CN1962220 B CN 1962220B
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sand
epoxy resin
model
weights
sanitary appliance
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CN1962220A (en
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梁满杰
唐果林
杨如玉
金枫
谭玉珍
石明宽
余扬
林生
金明亮
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Guangdong Fenghua Zhuoli Technology Co ltd
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FOSHAN FENGHUA AUTOMATIC FORMING EQUIPMENT Co Ltd
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Abstract

The invention relates to a method for producing ceramic washer mould, wherein it is characterized in that: it first uses non-mould sand shaping method to produce the ceramic washer mould, and optimizes the adhesive, and adds the process that penetrates epoxy resin into sand mould to improve the strength of sand mould. The inventive mould can be used original blank mould of work mould and the testsample of wash test and appearance test. The invention can shorten time and reduce cost.

Description

Make the method for ceramic sanitary appliance model and the ceramic sanitary appliance model that makes according to this
Technical field
The present invention relates to the ceramic sanitary appliance manufacturing industry, particularly the preparation method of relevant ceramic sanitary appliance model in this manufacturing industry.
Background technology
In the ceramic sanitary appliance manufacturing industry, often need make former loose tool and trial target for new product, former loose tool is used to turn over system work mould, and trial target is used to do Hose Test and outward appearance evaluation and test.Former loose tool and trial target are referred to as the ceramic sanitary appliance model at this patent.In prior art, former loose tool relies on the craftsman manually to mould with mud or gypsum, makes experience and handicraft that quality relies on the craftsman fully, not only wastes time and energy but also is difficult to guarantee the accuracy of moulding.The manufacturing process of trial target is more complicated, at first will be with manually moulding former loose tool, turn over system work mould with former loose tool again, form moulded pottery not yet put in a kiln to bake to be burnt toward the interior perfusion pottery of work mould slurry again, just obtain trial target after the moulded pottery not yet put in a kiln to bake glazing burnt till, after trial target carried out the evaluation and test of Hose Test and outward appearance, if find that defective just must repeat said process once more, till test passes.This shows that traditional trial target preparation method fabrication cycle is long, cost is high, just must make again that all expensive sources of previous institute are irrevocably lost in case find design defect.
Summary of the invention
The objective of the invention is shortcoming, a kind of method of ceramic sanitary appliance model and ceramic sanitary appliance model that makes according to this method made is provided at above-mentioned prior art.
For this reason, the method of making the ceramic sanitary appliance model is to adopt the non-model sand mold moulding process, may further comprise the steps: with the moulding data input computer of the ceramic sanitary appliance model desiring to make, obtain the three-dimensional digital model of ceramic sanitary appliance model, computer carries out layering according to certain bed thickness to three-dimensional digital model, obtain the X-Y scheme of each layer cross section, during shaping, by non-model sand mold manufacturing equipment control sand grains is successively sprawled with lift height and to be stacked on the equipment workbench, on every layer of sand grains of completing, apply binding agent, make the 3D solid of the bonding one-tenth of sand grains in all X-Y scheme entity scopes, remove not bonding sand grains afterwards again and obtain a sand mo(u)ld, the binding agent that is applied comprises furane resins and p-methyl benzenesulfonic acid, and the addition of furane resins is the sand amount of per 100 parts of unit of weights, the furane resins of joining 2~3 parts of unit of weights, the addition of p-methyl benzenesulfonic acid is, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40~60 parts of unit of weights; Be for further processing after making sand mo(u)ld, the surface that is included in sand mo(u)ld is coated with epoxy resin again, and epoxy resin is penetrated between the sand grains of sand mo(u)ld inside, treats that the epoxy resin that will stay the surface after epoxy resin is done admittedly polishes smooth.
The ceramic sanitary appliance model that makes according to said method, in aggregates by multilayer sand grains and the bonding of the binding agent between sand grains, described binding agent comprises furane resins and p-methyl benzenesulfonic acid, the ratio of furane resins and sand amount is, the sand amount of per 100 parts of unit of weights is joined the furane resins of 2~3 parts of unit of weights, the ratio of p-methyl benzenesulfonic acid and furane resins is that the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40~60 parts of unit of weights; Between the sand grains of ceramic sanitary appliance mold surface and inside, also stick together epoxy resin is arranged.
The present invention is applied to the non-model sand mold moulding process making of ceramic sanitary appliance model first, and on the basis of existing non-model sand mold moulding process, done improvement, by optimizing the binding agent in the non-model sand mold moulding process, and increase toward the interior technology of infiltrating epoxy resin of sand mo(u)ld, what overcome that existing non-model sand mold moulding process makes piles up the shortcoming of the easy loose damage of entity that bonding forms with sand grains, the intensity of sand mo(u)ld is improved. the ceramic sanitary appliance model of making has enough intensity, both can be used as the former loose tool that is used to turn over system work mould, also can be used as trial target for the evaluation and test of Hose Test and outward appearance. overcome craft and moulded former loose tool and waste time and energy, strong to craftsman's handicraft dependence, be difficult to guarantee the shortcoming of molding quality, and shortened the fabrication cycle of trial target greatly, significantly reduced cost of manufacture.
Advantage of the present invention is: can shorten the construction cycle of ceramic sanitary appliance new product greatly, significantly improve the development efficiency of new product, reduce development cost, and implement the present invention and need not to transform existing non-model sand mold manufacturing equipment at all, be easy to apply.
Description of drawings
Fig. 1 is toilet model and the hierarchical path schematic diagram that makes with the inventive method;
Fig. 2 is with toilet model dimidiation and hierarchical path schematic diagram separately;
Fig. 3 is the structural representation after two halves toilet model shown in Figure 2 is bonded to one.
The specific embodiment
To make toilet model shown in Figure 1 is example, and manufacturing process may further comprise the steps:
Moulding data input computer with the toilet model, obtain three-dimensional digital model, computer is according to certain bed thickness, according to hierarchical path shown in Figure 1 three-dimensional digital model is carried out layering, the X-Y scheme that obtains each layer cross section is (clear for representing, Fig. 1 has exaggerated the thickness of each layer), during shaping, by non-model sand mold manufacturing equipment control sand grains is successively sprawled with lift height and to be stacked on the equipment workbench, on every layer of sand grains of completing, apply binding agent, make the 3D solid of the bonding one-tenth of sand grains in all X-Y scheme entity scopes, remove not bonding sand grains and just obtain a sand mo(u)ld.Above-mentioned steps is identical with existing non-model sand mold moulding process, can utilize The existing CAD software, AURORA software (being delamination software) and non-model sand mold manufacturing equipment to finish.On this basis, the present invention has also carried out optimizing and to have increased the step of infiltrating epoxy resin in the sand mo(u)ld to the binding agent proportioning.Used binding agent can be one of following prescription:
Prescription one: the sand amount of per 100 parts of unit of weights, join the furane resins of 2 parts of unit of weights, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40 parts of unit of weights;
Prescription two: the sand amount of per 100 parts of unit of weights, join the furane resins of 2.5 parts of unit of weights, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40 parts of unit of weights;
Prescription three: the sand amount of per 100 parts of unit of weights, join the furane resins of 2.5 parts of unit of weights, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 50 parts of unit of weights;
Prescription four: the sand amount of per 100 parts of unit of weights, join the furane resins of 3 parts of unit of weights, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 50 parts of unit of weights;
Prescription five: the sand amount of per 100 parts of unit of weights, join the furane resins of 3 parts of unit of weights, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 60 parts of unit of weights;
Above-mentioned prescription example is only enumerated, and is not exhaustive.Furane resins and p-methyl benzenesulfonic acid can apply simultaneously, also can apply furane resins earlier and apply p-methyl benzenesulfonic acid again.
Preferably adopt epoxy resin No. 5288 toward the interior epoxy resin that infiltrates of sand mo(u)ld, can certainly adopt the epoxy resin of other model, key is the type that differential permeability is good, intensity is high.Treating that epoxy resin is done polishes smooth the epoxy resin on surface to desired dimensional accuracy and can come into operation after solid.For guaranteeing the abundant infiltration of epoxy resin; before being preferably in infiltration epoxy resin sand mo(u)ld is heated to 100~130 degrees centigrade; be incubated 1~2 hour; purpose is the oven dry of the moisture content in the sand mo(u)ld; osmotic effect with reinforced epoxy; and make epoxy resin and sand grains stick together more firmly, thereby make the ceramic sanitary appliance model that makes firmer.Behind the heat tracing, sand mo(u)ld is naturally cooled to normal temperature can be coated with epoxy resin.
According to the toilet model shown in Figure 1 that said method makes, be an integral body that forms by multilayer sand grains and the binding agent between sand grains bonding, and also stick together between toilet mold surface and the inner sand grains epoxy resin is arranged.Wherein the composition ratio of binding agent is identical with the used formula rate of manufacturing process.This toilet model has sufficient intensity.Both can make the former loose tool that is used to turn over system toilet work mould according to said method, also can make toilet trial target for Hose Test and outward appearance evaluation and test.The size of former loose tool should all will amplify 11~13% at different parts than toilet trial target size, so that make the work mould of grouting usefulness, because ceramic sanitary appliance size in sintering process all has certain contraction.
Because the requirement of strength to former loose tool is more special, should guarantee that former loose tool can not damage when turning over system work mould, guarantee again in the work of taking-up mould, can be easier to batter down and do not damage the work mould, so if the ceramic sanitary appliance model that the present invention makes uses as former loose tool, will note being coated with epoxy resin will suit, should not be coated with too much, too deeply consequently mold strength is too high in case infiltrate, and is difficult for battering down.
In infiltrating the step of epoxy resin, for the space of filling the sand mo(u)ld surface to obtain smooth surface, need repeatedly brushwork epoxy resin.The epoxy resin price is higher, and is so very uneconomical, and the operating time is also long.For this reason, a kind of corrective measure of the present invention is, after infiltrating epoxy resin in the sand mo(u)ld and the epoxy resin on surface being polished smooth, go to fill the space on sand mo(u)ld surface with steel moulder's paint, make the sand mo(u)ld smooth surface smooth, treat to be coated with epoxy resin once more after steel moulder's paint is done admittedly, treat that epoxy resin is smooth with surface finish after doing admittedly.Go to fill the space on sand mo(u)ld surface with the lower steel moulder's paint of price, not only can save epoxy resin, and become more readily available smooth sand mo(u)ld surface.As for the epoxy resin that is coated in the steel moulder's paint surface, owing to need not to fill the space on sand mo(u)ld surface, therefore can be coated with thinlyyer, consumption significantly reduces, and thin epoxy resin layer also is convenient to polishing.Described steel moulder's paint is exactly in the metal casting industry, (sand mold is the technical terms in the metal casting industry with the coating that improves surface quality of continuous castings to be usually used in filling the sand mold surface void, just can obtain foundry goods toward the interior casting of molten metal of sand mold, sand mold is different from the alleged sand mo(u)ld of the present invention, and what the alleged sand mo(u)ld of the present invention referred to specially that the non-model sand mold moulding process makes piles up the entity that bonding forms with sand grains).Be applied to steel moulder's paint of the present invention and should select the coating that granularity is thin, thixotropy good, normal temperature strength is high for use, preferably select shielding cast steel zirconium English powder water based paint for use.With the ceramic sanitary appliance model that the technology after this improvement makes, in its surperficial epoxy resin, the interlayer branch is separated with the steel moulder's paint layer.
Steel moulder's paint is a kind of water based paint, just easily dope layer and sand grains and epoxy resin is peeled off if ability is solid for a long time.Be head it off, be preferably in be coated with steel moulder's paint after, sand mo(u)ld is heated to 100~130 degrees centigrade, be incubated 2~4 hours, with the moisture of thorough removal dope layer.
The present invention does not also require and must go to fill the space with epoxy resin or steel moulder's paint to the surface of whole sand mo(u)ld, for the sand mo(u)ld local surfaces that does not influence serviceability, can not do to fill and handle and grinding process.
In order to improve the smoothness of ceramic sanitary appliance model surface, before the sand mo(u)ld surface is coated with epoxy resin, should polish to the sand mo(u)ld surface earlier, remove floating sand in surface and step-like vestige.
If the ceramic sanitary appliance model has than complex inner structure, be difficult to operation such as is polished, applies in the surface of internal structure, the ceramic sanitary appliance model can be divided into two multi-section parts partly even more, each partly sticks into an integral body with epoxy resin according to the inventive method moulding and polishing after good respectively again.Toilet model for example shown in Figure 1 has complicated channel structure, therefore can as shown in Figure 2 the toilet model be divided into left and right sides two halves, two halves are separately according to diagram hierarchical path and preceding method moulding, after at last the water channel surface of two halves toilet all being polished smooth, just can left and right sides two halves be sticked into one as shown in Figure 3, form a complete toilet model with epoxy resin.

Claims (8)

1. make the method for ceramic sanitary appliance model, it is characterized in that: adopt the non-model sand mold moulding process, may further comprise the steps: with the moulding data input computer of the ceramic sanitary appliance model desiring to make, obtain the three-dimensional digital model of ceramic sanitary appliance model, computer carries out layering according to certain bed thickness to three-dimensional digital model, obtain the X-Y scheme of each layer cross section, during shaping, by non-model sand mold manufacturing equipment control sand grains is successively sprawled with lift height and to be stacked on the equipment workbench, on every layer of sand grains of completing, apply binding agent, make the 3D solid of the bonding one-tenth of sand grains in all X-Y scheme entity scopes, remove not bonding sand grains afterwards again and obtain a sand mo(u)ld, the binding agent that is applied comprises furane resins and p-methyl benzenesulfonic acid, and the addition of furane resins is the sand amount of per 100 parts of unit of weights, the furane resins of joining 2~3 parts of unit of weights, the addition of p-methyl benzenesulfonic acid is, the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40~60 parts of unit of weights; Be for further processing after making sand mo(u)ld, the surface that is included in sand mo(u)ld is coated with epoxy resin again, and epoxy resin is penetrated between the sand grains of sand mo(u)ld inside, treats that the epoxy resin that will stay the surface after epoxy resin is done admittedly polishes smooth.
2. the method for making ceramic sanitary appliance model as claimed in claim 1 is characterized in that: before infiltrating epoxy resin, sand mo(u)ld is heated to 100~130 degrees centigrade, is incubated 1~2 hour.
3. the method for making ceramic sanitary appliance model as claimed in claim 1, it is characterized in that: after infiltrating epoxy resin in the sand mo(u)ld and the epoxy resin on surface being polished smooth, go to fill the space on sand mo(u)ld surface with steel moulder's paint, make the sand mo(u)ld smooth surface smooth, treat to be coated with epoxy resin once more after steel moulder's paint is done admittedly, treat that epoxy resin is smooth with surface finish after doing admittedly.
4. the method for making ceramic sanitary appliance model as claimed in claim 3 is characterized in that: described steel moulder's paint is a shielding cast steel zirconium English powder water based paint.
5. the method for making ceramic sanitary appliance model as claimed in claim 3 is characterized in that: after being coated with steel moulder's paint, sand mo(u)ld is heated to 100~130 degrees centigrade, is incubated 2~4 hours.
6. the method for making ceramic sanitary appliance model as claimed in claim 1 is characterized in that: before the sand mo(u)ld surface is coated with epoxy resin, polished in the sand mo(u)ld surface earlier, remove floating sand in surface and step-like vestige.
7. the ceramic sanitary appliance model that makes with the described method of claim 1, it is characterized in that: in aggregates by multilayer sand grains and the bonding of the binding agent between sand grains, described binding agent comprises furane resins and p-methyl benzenesulfonic acid, the ratio of furane resins and sand amount is, the sand amount of per 100 parts of unit of weights is joined the furane resins of 2~3 parts of unit of weights, the ratio of p-methyl benzenesulfonic acid and furane resins is that the furane resins of per 100 parts of unit of weights are joined the p-methyl benzenesulfonic acid of 40~60 parts of unit of weights; Between the sand grains of ceramic sanitary appliance mold surface and inside, also stick together epoxy resin is arranged.
8. ceramic sanitary appliance model as claimed in claim 7 is characterized in that: in the epoxy resin of model surface, the interlayer branch is separated with the steel moulder's paint layer.
CN200610123839A 2006-11-24 2006-11-24 Method for manufacturing ceramic cleaning tool model and ceramic cleaning tool model manufactured therefrom Active CN1962220B (en)

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Publication number Priority date Publication date Assignee Title
CN101380662B (en) * 2008-09-27 2012-04-25 佛山市峰华卓立制造技术有限公司 Car engine cylinder body casting mold and manufacture method thereof
CN104102208B (en) * 2014-07-12 2017-09-15 唐山梦牌瓷业有限公司 Ceramic sanitary appliance digital development method

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Publication number Priority date Publication date Assignee Title
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Publication number Priority date Publication date Assignee Title
CN1173406A (en) * 1997-06-30 1998-02-18 浙江大学 Simple casing tech by lost wax casting
US6390178B1 (en) * 1998-07-01 2002-05-21 Sintokogio, Ltd. Method and system for a green-sand molding
CN1351927A (en) * 2001-12-14 2002-06-05 清华大学 Process of computer-aided mould-free forming ceramic part blank
JP2004358942A (en) * 2003-06-05 2004-12-24 Noboru Oyamada Three-dimensional mold shape making device and three-dimensional mold shape making method
CN1765827A (en) * 2005-09-01 2006-05-03 陕西科技大学 Ceramic parts quick making method

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