CN107235704B - Manufacturing method of large ball clay underglaze high-temperature double-layer cup - Google Patents
Manufacturing method of large ball clay underglaze high-temperature double-layer cup Download PDFInfo
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- CN107235704B CN107235704B CN201710465094.3A CN201710465094A CN107235704B CN 107235704 B CN107235704 B CN 107235704B CN 201710465094 A CN201710465094 A CN 201710465094A CN 107235704 B CN107235704 B CN 107235704B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
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- 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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/001—Applying decorations on shaped articles, e.g. by painting
-
- 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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
- B28B11/044—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with glaze or engobe or enamel or varnish
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- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
- B28B3/123—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/28—Slip casting
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
Abstract
The invention provides a method for manufacturing a large ball clay underglaze high-temperature double-layer cup, which comprises the following steps: firstly, manufacturing a mud blank and a glaze material; secondly, manufacturing an outer cup body, a cup cover, an inner cup, a cup handle and a cup cover top; carrying out color painting operation after the inner cup mud blank is formed; thirdly, manufacturing a complete double-layer cup mud blank after the inner cup color painting operation is finished; fourthly, preparing a double-layer cup mud biscuit; fifthly, preparing a double-layer cup blank with an outer glaze layer; sixthly, preparing a double-layer cup glaze biscuit; seventhly, manufacturing a double-layer cup blank with a picture; eighthly, preparing a double-layer cup blank with colored drawing and glaze spraying; ninthly, preparing a double-layer cup primary product; and step ten, preparing a double-layer cup finished product. The method can be used for manufacturing the double-layer ceramic cup with the characteristics of elegance, bright color, glittering and translucent glaze, better firmness, excellent rapid cooling resistance, rapid heating resistance, impact resistance, difficult breakage, environmental protection, heat preservation, heat insulation and the like.
Description
Technical Field
The invention relates to the technical field of ceramic processes, in particular to a method for manufacturing a large ball mud underglaze high-temperature double-layer cup.
Background
The history of the porcelain is far and popular in China, and from ancient times to present, China has spread a plurality of ceramic competitive products and skills.
The manufacturing method of the ceramic cup in the prior art is various, and comprises the following steps:
the invention application with the application number of 201510673391.8 discloses a ceramic cup body and ceramic cup handle integrated firing process for a suspended cup, wherein the suspended cup comprises a cup body, a handle and a base, the cup body is connected with the base through the handle, a gap is reserved between the cup body and the base, and the firing process sequentially comprises the steps of manufacturing the suspended cup, manufacturing and installing a support, coating an anti-sticking agent layer, drying, biscuiting, glazing, firing and the like.
The invention patent with application number 201210041991.9 discloses a ceramic cup with a cup sleeve and a production process thereof. The production process of the ceramic cup with the cup sleeve comprises the following steps: making ceramic pug into a cup body, glazing the upper cup body and the inner surface of the cup body, and then firing in a kiln; sticking a metal sheet on the groove at the bottom of the fired cup body by using glue; after the metal sheet is fixed in the groove at the bottom of the cup body, a rubber ring is sleeved at the contact position of the upper cup body and the lower cup body, and then a cup sleeve is sleeved; tightly sticking the cup sleeve and the rubber ring, aligning the raised screw hole of the metal sheet and the screw hole at the bottom of the cup sleeve, and locking and fixing by using a screw; filling polyurethane filler into any through hole at the bottom of the cup sleeve, and foaming; a bottom pad is sleeved outside the bottom of the cup sleeve.
The invention patent with application number 201010140107.8 discloses a manufacturing process of a ceramic vacuum cup, which comprises the following process steps: manufacturing ceramic pug into a cup body of the vacuum cup, wherein the cup body is divided into an inner cup and an outer cup; then firing, heating from the upper part to the lower part of the cup body within 90-120 minutes, and simultaneously raising the temperature to 350-400 ℃; stopping heating when the temperature reaches 350-400 ℃, reducing the temperature by 20-50 ℃, and then keeping the temperature for 10-25 minutes; finally, heating to 1200-1300 ℃ for firing for 7-9 hours to prepare a semi-finished product; and polishing the semi-finished product, air-drying again, glazing the cup body, and firing at 1050-1150 ℃ for 5.5-7.5 hours to obtain the cup body.
In addition, other processes are used for manufacturing ceramic cups, but the existing processes cannot manufacture double-layer ceramic cups which are exquisite and elegant, bright in color and luster, glittering and translucent in glaze surface, better in firmness, excellent in rapid cooling resistance, rapid heating resistance, impact resistance, difficult to break, environment-friendly, heat-preserving, heat-insulating and the like.
Therefore, the method for manufacturing the double-layer ceramic cup is of great significance.
Disclosure of Invention
The invention aims to provide a method for manufacturing a double-layer ceramic cup which has the characteristics of exquisite and elegant appearance, bright and bright color, glittering and translucent glaze, better firmness, excellent rapid cooling resistance, rapid heating resistance, impact resistance, difficult breakage, environmental protection, heat preservation, heat insulation and the like, and the specific technical scheme is as follows:
a method for manufacturing a big ball mud underglaze high-temperature double-layer cup comprises the following steps:
the method comprises the following steps of firstly, manufacturing a mud blank and a glaze, specifically: preparing pug containing 35-45% of large ball mud, 25-30% of kaolin, 15-25% of potassium feldspar and 15-25% of quartz into a mud blank according to mass fraction; preparing glaze from 55-60% of feldspar, 10-15% of talc, 25-35% of quartz and 5-8% of clay by mass fraction;
secondly, manufacturing an outer cup body, a cup cover, an inner cup, a cup handle and a cup cover top; carrying out color painting operation after the inner cup mud blank is formed;
thirdly, manufacturing a complete double-layer cup mud blank after the inner cup color painting operation is finished;
fourthly, performing primary biscuit firing on the double-layer cup mud blank obtained in the third step after refining, and then cooling to room temperature to obtain a double-layer cup mud biscuit firing blank;
step five, immersing the outer surface of the double-layer cup mud biscuit into the glaze in the step one for natural adsorption to obtain a double-layer cup biscuit with an outer glaze layer;
sixthly, carrying out secondary biscuit firing on the double-layer cup blank with the outer glaze layer, and cooling to room temperature to obtain a double-layer cup glaze biscuit;
seventhly, coating inner glaze on the double-layer cup glaze biscuit, and then performing picture creation on the outer cup to obtain a double-layer cup blank with a picture;
eighthly, spraying the glaze in the first step on the picture of the double-layer cup blank with the picture to form a glaze layer, and obtaining the double-layer cup blank with the colored drawing and the glaze spraying;
ninth, firing the double-layer cup blank subjected to colored drawing and glaze spraying at high temperature, and cooling to room temperature to obtain a double-layer cup primary product;
tenth, performing glaze supplement on the double-layer cup primary product; and (4) carrying out high-temperature re-firing on the glaze-supplemented double-layer cup primary product, and cooling to room temperature to obtain a double-layer cup finished product.
Preferably, in the above technical solution, the second step specifically is: taking mud strips according to the specification size and thickness degree of the outer cup, manufacturing the cup body and the cup cover of the outer cup by adopting a rolling forming method, and manufacturing the inner cup, the cup handle and the cup cover top by adopting a grouting forming method;
the mud strip is specifically as follows: the tissue is uniform and fine without visible impurities; the mass percentage of the water is less than or equal to 26 percent.
Preferably, the process of manufacturing the outer cup body and the cup cover by adopting the roll forming method is as follows: a1, checking whether the vacuum degree and the moisture of the pug meet the blank forming requirements; a2, cutting the refined mud strips into 250g of important mud lumps, and sealing the rest mud strips to prevent secondary pollution; a3, placing the mud lumps into a machine wheel mold, starting a machine, and quickly rotating and rolling the mud lumps into a green body through a machine rolling head; a4, forming the blank body in the outer cup body mould and the mould of the cup cover, and taking the blank to obtain the outer cup body and the cup cover.
Preferably, the method for manufacturing the inner cup, the cup handle and the cup cover top by the grouting forming method comprises the following steps: b1, checking the fluidity and fineness of the slurry; b2, cleaning the inside and the outside of the mold; b3, combining the models one by one without gaps and binding firmly; b4, uniformly stirring the slurry in the mud tank to obtain slurry with the Baume concentration of 50-55 degrees; b5, sieving the slurry, and removing iron to ensure that the slurry has no impurities; b6, injecting the screened slurry into the combined inner cup model, cup handle model and cup cover top model, placing the model on a turntable after the slurry injection is completed, and slightly rotating for several circles to remove air bubbles; and after two hours of grouting, taking the blank to obtain the inner cup, the cup handle and the cup cover top.
Preferably, in the above technical solution, the step of manufacturing a complete double-layer cup clay blank in the third step specifically comprises: the outer cup body and the inner cup are bonded into an integral cup body through manual operation by using joint mud, and then the integral cup body is bonded with the cup handle, the cup cover and the cup cover top;
the joint mud is prepared from mud which comprises 70-80% of large ball mud, 5-15% of feldspar, 5-10% of talc, 5-15% of quartz and 5-10% of stone powder in percentage by mass.
Preferably, in the above technical solution, the first bisque firing specifically is: raising the temperature from room temperature to 770-820 ℃ and the firing period is 5-6 hours;
the second biscuit firing is specifically as follows: raising the temperature from room temperature to 770-820 ℃ and the firing period is 5-6 hours;
the high-temperature sintering specifically comprises the following steps: raising the temperature from room temperature to 1370-1400 ℃; keeping the temperature at 1400 ℃ for 25-35 minutes; the firing period is 15-16 hours;
the high-temperature annealing specifically comprises the following steps: raising the temperature from room temperature to 1350-1380 ℃; keeping the temperature at 1380 ℃ for 25-35 minutes; the firing period is 13-14 hours.
Preferably, in the above technical solution, the baume concentration of the glaze is 39-43 degrees.
In the above technical scheme, preferably, the loss on ignition of the mud from the large ball is 12.0% to 14.0%, and the mud from the large ball comprises the following main chemical components in mass fraction: SiO 2248.76% of Al2O336.94% of Fe2O30.09% of CaO, 0.86% of CaO, 0.08% of MgO, and K2O is 0.25%, Na2O is 0.42%, TiO2Is 0.04%.
In the above technical scheme, preferably, the loss on ignition of the glaze is 1.5% -2%, and the glaze comprises the following main chemical components in mass fraction: SiO 2273-75% of Al2O313-14% of Fe2O30.05-0.1 percent of CaO, 1-1.5 percent of CaO, 4-5 percent of MgO and K2O is 4-5%, Na2O is 3-4%. Preferably, in the above technical scheme, the cooling in the ninth step and the tenth step to room temperature is natural cooling, and the cooling time is 20-26 hours.
The invention adopts a rolling forming method and a grouting forming method to respectively manufacture two clay blanks which are identical in shape, large in size and small in size, and a creation master designs and elaborately carves the clay blanks on an inner cup first, and then bonds the two cups into a whole under the condition that the blanks are not dried; after biscuit firing, the biscuit is formed by the creation master on the outer cup and then fired at high temperature, and the whole product has extremely strong adaptability to temperature change and is not easy to burst while the heat conductivity of the cup body is greatly reduced; through the exquisite bonding manufacturing technique, the inner cup and the outer cup are both painted, and the visual impact force different from that of a common single cup is further displayed; the exquisite manufacturing process of the tea cup is combined with the characteristics of fineness of the large ball clay porcelain, softness of whiteness and extremely strong light transmittance, the visual enjoyment unusual to that of a common single cup is presented, the tea cup is a fashion product with the combination of technological content, artistic taste, ornamental value and practicability, and the cup is not only an optimal tea set for drinking water and making tea, but also has the ornamental value.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail with reference to examples.
Detailed Description
The embodiments of the invention are described in detail below with reference to examples, but the invention can be implemented in many different ways as defined and covered by the claims.
Example 1:
a manufacturing process of a large ball mud underglaze high-temperature double-layer cup comprises the following steps:
the method comprises the following steps of preparing a mud blank and a glaze material, wherein the mud blank is prepared from mud containing 40% of large ball mud, 28% of kaolin, 16% of potassium feldspar and 16% of quartz by mass fraction, the loss on ignition (L OI) of the large ball mud is 12.5%, and the mud comprises the following main chemical components in percentage by mass248.76% of Al2O336.94% of Fe2O30.09% of CaO, 0.86% of CaO, 0.08% of MgO, and K2O is 0.25%, Na2O is 0.42%, TiO2Is 0.04%.
The glaze material is prepared from 58% of feldspar, 12% of talc, 25% of quartz and 5% of clay by mass fraction, the Baume concentration of the glaze material is 39 degrees, the loss on ignition (L OI) of the glaze material is 1.5%, and the glaze material comprises the following main chemical components by mass percent274% of Al2O313% of Fe2O30.05%, CaO 1.2%, MgO 4.5%, K24.5% of O and Na2O is 3.5%.
Second step, preparation outer cup body, bowl cover, interior cup, cup handle and cup caping specifically are: the mud strip is well got according to the specification and size, the thickness degree of outer cup, adopts roll forming method preparation outer cup body and bowl cover, adopts slip casting method preparation inner cup, cup handle and cup lid top, wherein:
the process of manufacturing the outer cup body and the cup cover by adopting the roll forming method specifically comprises the following steps: a1, checking whether the vacuum degree and the moisture of the pug meet the blank forming requirements; a2, cutting the refined mud strips into 250g of important mud lumps, and sealing the rest mud strips to prevent secondary pollution; a3, placing the mud lumps into a machine wheel mold, starting a machine, and quickly rotating and rolling the mud lumps into a green body through a machine rolling head; a4, forming the blank body in the outer cup body mould and the mould of the cup cover, and taking the blank to obtain the outer cup body and the cup cover.
The concrete steps of manufacturing the inner cup, the cup handle and the cup cover top by adopting a slip casting forming method are as follows: b1, checking the fluidity and fineness of the slurry; b2, cleaning the inside and the outside of the mold; b3, combining the models one by one without gaps and binding firmly; b4, uniformly stirring the slurry in the mud tank to obtain slurry with the Baume concentration of 50-55 degrees; b5, sieving the slurry, and removing iron to ensure that the slurry has no impurities; b6, injecting the screened slurry into the combined inner cup model, the cup handle model and the cup cover top model, placing the model on a turntable after the slurry injection is finished, and slightly rotating for several circles (3-6 circles) to remove air bubbles; and after two hours of grouting, taking the blank to obtain the inner cup, the cup handle and the cup cover top. And carrying out colored drawing operation after the inner cup mud blank is formed.
And step three, manufacturing a complete double-layer cup mud blank after the inner cup colored drawing operation is finished, wherein the method specifically comprises the following steps: the outer cup body and the inner cup are bonded into a whole cup body through manual operation by using joint mud, and then the whole cup body is bonded with the cup handle, the cup cover and the cup cover top. Drawing immediately after bonding is completed, and aims to: the inner cup mud blank is kept at sufficient humidity, so that the drying humidity and the shrinkage are consistent when the inner cup mud blank is bonded with the outer cup mud blank, and the sintering qualification rate of the product is finally realized. The joint mud is made of mud which comprises 70% of large ball mud, 8% of feldspar, 6% of talc, 8% of quartz and 8% of stone powder in percentage by mass.
And fourthly, placing the double-layer cup clay blank obtained in the third step into a kiln after refining (till the surface of the double-layer cup clay blank is smooth) for primary biscuiting, and then cooling to room temperature to obtain the double-layer cup clay biscuiting blank. The first biscuiting specifically comprises the following steps: the temperature is increased from room temperature to 770 ℃, and the sintering period is 5 hours.
And step five, immersing the outer surface of the double-layer cup mud biscuit into the glaze in the step one for natural adsorption to form a glaze layer with the thickness of 0.3mm, thus obtaining the double-layer cup biscuit with the outer glaze layer.
And sixthly, putting the double-layer cup blank with the outer glaze layer into a kiln for secondary biscuit firing, and cooling to room temperature to obtain the double-layer cup glaze biscuit firing blank. The second biscuit firing is specifically as follows: the temperature is increased from room temperature to 770 ℃, and the sintering period is 5 hours.
Seventhly, performing inner glaze coating on the double-layer cup glaze biscuit, and performing picture creation on the outer cup to obtain a double-layer cup blank with a picture, wherein the method specifically comprises the following steps: placing the double-layer cup blank with the outer glaze layer upside down, spraying inner glaze at the center of a 'faucet' of a pedal glazing machine, and taking down the blank from the center of the 'faucet' after the glaze runs out to remove residual glaze at corners; and then sending the qualified blank to an artistic color drawing part for picture creation of the external cup.
And eighthly, spraying the glaze in the first step on the picture of the double-layer cup blank with the picture to form a glaze layer with the thickness of 0.05mm, and obtaining the double-layer cup blank with the colored drawing and the glaze spraying.
And ninthly, putting the double-layer cup blank subjected to colored drawing and glaze spraying into a kiln for high-temperature sintering, and cooling to room temperature to obtain a double-layer cup primary product, wherein: the high-temperature sintering specifically comprises the following steps: raising the temperature from room temperature to 1370-1380 ℃, and preserving the temperature for 30 minutes; the firing period is 15 hours; the cooling is natural cooling, and the cooling time is 24 hours.
Tenth step, performing glaze repair on the double-layer cup primary product (generally, performing glaze repair on the edge of the double-layer cup primary product); putting the glaze-supplemented primary double-layer cup product into a kiln for high-temperature re-firing, and cooling to room temperature (the cooling time is 24 hours), so as to obtain a double-layer cup product, wherein: the high-temperature annealing is specifically as follows: raising the temperature from room temperature to 1350-1380 ℃, and preserving the heat for 25-35 minutes; the firing period is 13-14 hours.
The double-layer ball clay cup manufactured by the steps has the advantages of attractive and elegant appearance, glittering and translucent glaze, white and bluish porcelain, bright and beautiful picture, environmental protection, heat insulation, combination of the quality and the beads of the picture, high-end technological content and artistic taste, and fashionable product with combination of ornamental property and practicability.
The double-layer cup product obtained by the implementation passes the thermal stability test at the temperature of 20-180 ℃.
Examples 2 to 3:
examples 2-3 differ from example 1 only in table 1.
The two-layer cup products obtained in examples 2 to 3 pass the thermal stability test at 20 ℃ to 180 ℃.
Table 1 examples 1-3 statistical comparison of process parameters
Porcelain cup is the individual layer mostly in the market, and cup and porcelain matter cup combination in the metal also generally are combined together in the current double-deck cup, and the cup becomes a whole with outer cup packing bonding through the colloid filler, because the colloid filler can have certain chemical composition to release when meeting high temperature, so be not environmental protection. The inner cup and the outer cup of the double-layer cup and the bonded joint mud are all made of top scarce raw material large ball mud, so that the double-layer cup is environment-friendly, has better quenching resistance, heating resistance and impact resistance than the common single porcelain cup, and has better heat preservation and heat insulation effects. Particularly, the picture on the inner cup is refracted out through the transparent and warm porcelain, thereby being more enjoyable to people.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for manufacturing a big ball mud underglaze high-temperature double-layer cup is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps of firstly, manufacturing a mud blank and a glaze, specifically: preparing pug containing 35-45% of large ball mud, 25-30% of kaolin, 15-25% of potassium feldspar and 15-25% of quartz into a mud blank according to mass fraction; preparing glaze from 55-60% of feldspar, 10-15% of talc, 25-35% of quartz and 5-8% of clay by mass fraction;
secondly, manufacturing an outer cup body, a cup cover, an inner cup, a cup handle and a cup cover top; carrying out color painting operation after the inner cup mud blank is formed;
thirdly, manufacturing a complete double-layer cup mud blank after the inner cup color painting operation is finished;
fourthly, performing primary biscuit firing on the double-layer cup mud blank obtained in the third step after refining, and then cooling to room temperature to obtain a double-layer cup mud biscuit firing blank;
step five, immersing the outer surface of the double-layer cup mud biscuit into the glaze in the step one for natural adsorption to obtain a double-layer cup biscuit with an outer glaze layer;
sixthly, carrying out secondary biscuit firing on the double-layer cup blank with the outer glaze layer, and cooling to room temperature to obtain a double-layer cup glaze biscuit;
seventhly, coating inner glaze on the double-layer cup glaze biscuit, and then performing picture creation on the outer cup to obtain a double-layer cup blank with a picture;
eighthly, spraying the glaze in the first step on the picture of the double-layer cup blank with the picture to form a glaze layer, and obtaining the double-layer cup blank with the colored drawing and the glaze spraying;
ninth, firing the double-layer cup blank subjected to colored drawing and glaze spraying at high temperature, and cooling to room temperature to obtain a double-layer cup primary product;
tenth, performing glaze supplement on the double-layer cup primary product; carrying out high-temperature re-firing on the glaze-supplemented double-layer cup primary product, and cooling to room temperature to obtain a double-layer cup finished product;
the second step is specifically: taking mud strips according to the specification size and thickness degree of the outer cup, manufacturing the cup body and the cup cover of the outer cup by adopting a rolling forming method, and manufacturing the inner cup, the cup handle and the cup cover top by adopting a grouting forming method;
the mud strip specifically comprises: the tissue is uniform and fine without visible impurities; the mass percentage of the water is less than or equal to 26 percent;
the third step of manufacturing the complete double-layer cup mud blank specifically comprises the following steps: the outer cup body and the inner cup are bonded into an integral cup body through manual operation by using joint mud, and then the integral cup body is bonded with the cup handle, the cup cover and the cup cover top;
the joint mud is prepared from mud, wherein the mud comprises 70-80% of large ball mud, 5-15% of feldspar, 5-10% of talc, 5-15% of quartz and 5-10% of stone powder in percentage by mass;
the first biscuiting specifically comprises: raising the temperature from room temperature to 770-820 ℃ and the firing period is 5-6 hours;
the second biscuit firing is specifically as follows: raising the temperature from room temperature to 770-820 ℃ and the firing period is 5-6 hours;
the high-temperature sintering specifically comprises the following steps: raising the temperature from room temperature to 1370-1400 ℃, and preserving the heat for 25-35 minutes; the firing period is 15-16 hours;
the high-temperature annealing specifically comprises the following steps: raising the temperature from room temperature to 1350-1380 ℃, and preserving the heat for 25-35 minutes; the sintering period is 13-14 hours;
and naturally cooling the materials in the ninth step and the tenth step to room temperature, wherein the cooling time is 20-26 hours.
2. The method for manufacturing the big ball mud underglaze high-temperature double-layer cup according to claim 1, wherein the method comprises the following steps: the process of manufacturing the outer cup body and the cup cover by adopting the roll forming method specifically comprises the following steps: a1, checking whether the vacuum degree and the moisture of the pug meet the blank forming requirements; a2, cutting the refined mud strips into 250g of important mud lumps, and sealing the rest mud strips to prevent secondary pollution; a3, placing the mud lumps into a machine wheel mold, starting a machine, and quickly rotating and rolling the mud lumps into a green body through a machine rolling head; a4, forming the blank body in the outer cup body mould and the mould of the cup cover, and taking the blank to obtain the outer cup body and the cup cover.
3. The method for manufacturing the big ball mud underglaze high-temperature double-layer cup according to claim 2, wherein the method comprises the following steps: the concrete steps of manufacturing the inner cup, the cup handle and the cup cover top by adopting a slip casting forming method are as follows: b1, checking the fluidity and fineness of the slurry; b2, cleaning the inside and the outside of the mold; b3, combining the models one by one without gaps and binding firmly; b4, uniformly stirring the slurry in the mud tank to obtain slurry with the Baume concentration of 50-55 degrees; b5, sieving the slurry, and removing iron to ensure that the slurry has no impurities; b6, injecting the screened slurry into the combined inner cup model, cup handle model and cup cover top model, placing the model on a turntable after the slurry injection is completed, and slightly rotating for several circles to remove air bubbles; and after two hours of grouting, taking the blank to obtain the inner cup, the cup handle and the cup cover top.
4. The method for manufacturing the big ball mud underglaze high-temperature double-layer cup according to claim 3, wherein the method comprises the following steps: the Baume concentration of the glaze is 39-43 degrees.
5. The method for manufacturing the big ball mud underglaze high-temperature double-layer cup according to claim 3, wherein the method comprises the following steps: the ignition decrement of the large ball mud is 12.0-14.0%, and the large ball mud comprises the following main chemical components in percentage by mass: SiO 2248.76% of Al2O336.94% of Fe2O30.09% of CaO, 0.86% of CaO, 0.08% of MgO, and K2O is 0.25%, Na2O is 0.42%, TiO2Is 0.04%.
6. The method for manufacturing the big ball mud underglaze high-temperature double-layer cup according to claim 3, wherein the method comprises the following steps: the loss on ignition of the glaze is 1.5% -2%, and the glaze comprises the following main chemical components in percentage by mass: SiO 2273-75% of Al2O313-14% of Fe2O30.05-0.1 percent of CaO, 1-1.5 percent of CaO, 4-5 percent of MgO and K2O is 4-5%, Na2O is 3-4%.
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| CN109704738A (en) * | 2017-10-26 | 2019-05-03 | 湖南省醴陵市创客中小企业服务中心有限公司 | A kind of heat-insulating ceramic cup and its processing technology with handle |
| CN108164248A (en) * | 2018-01-09 | 2018-06-15 | 湖南大球泥瓷艺有限公司 | A kind of production method of porcelain plate |
| CN108383508A (en) * | 2018-03-01 | 2018-08-10 | 台宜陶瓷（宜兴）有限公司 | Double layer cup technological process |
| CN108298954A (en) * | 2018-03-02 | 2018-07-20 | 徐林燕 | A kind of ceramic preparation method flow |
| CN111892386B (en) * | 2020-08-21 | 2022-04-22 | 湖南大球泥瓷艺有限公司 | Method for manufacturing high-temperature large-block embossed porcelain plate |
| CN112062541A (en) * | 2020-09-07 | 2020-12-11 | 福建泉州顺美集团有限责任公司 | White porcelain wine cup and integrated manufacturing process thereof |
| CN112336142A (en) * | 2020-09-30 | 2021-02-09 | 湖南省醴陵市环宇陶瓷实业有限公司 | Ceramic round-bottom cup and production and manufacturing process |
| CN114349474A (en) * | 2022-01-27 | 2022-04-15 | 南平市建阳区紫玉瓯茶盏文化传播有限公司 | Regenerated building cup and manufacturing method thereof |
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Address after: 410000 floor 3, building a, Zhibang homeland, No. 209, Laodong West Road, Tianxin District, Changsha City, Hunan Province Patentee after: Hunan Dague clay Porcelain Art Group Co.,Ltd. Address before: 410000 27th floor, Kerry building, 245 Laodong West Road, Tianxin District, Changsha City, Hunan Province Patentee before: HUNAN DAQIU CERAMICS ART CO.,LTD. |