CN106320622A - Ceramic tile formed by dry pressure slip casting and production method thereof - Google Patents
Ceramic tile formed by dry pressure slip casting and production method thereof Download PDFInfo
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- CN106320622A CN106320622A CN201610644530.9A CN201610644530A CN106320622A CN 106320622 A CN106320622 A CN 106320622A CN 201610644530 A CN201610644530 A CN 201610644530A CN 106320622 A CN106320622 A CN 106320622A
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- dry
- layer
- adobe
- base substrate
- cavity
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
- E04F13/142—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of ceramics or clays
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/004—Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder
-
- 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
- B28B1/265—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 pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a ceramic tile formed by dry pressure slip casting and a production method thereof. The ceramic tile comprises a blank body which comprises a tile blank layer and a material layer, and a concave cavity which is concave downwards is formed in the upper surface of the tile blank layer. The material layer is arranged on the upper surface of the tile blank layer, and the material layer fills the concave cavity of the tile blank layer. The material layer covers the surface of the tile blank layer, so that the problem of the rough surface of the tile blank body which is formed by a dry method is solved. The surface of the ceramic tile formed by dry pressure slip casting is flat and smooth, and the smoothness of the glaze of a finished ceramic tile is greatly improved. Moreover, the upper surface of the tile blank layer is provided with the concave cavity which is concave downwards, according to the material mechanic principle, the stress of the tile blank layer formed by the dry method is dispersed by the concave cavity, dry cracking is not likely to occur, and the quality of products is improved.
Description
Technical field
The present invention relates to architectural pottery production field, particularly relate to Ceramic Tiles and the producer thereof of a kind of dry-pressing injection forming
Method.
Background technology
The dry process for forming of architectural pottery is that the ceramic powder after grinding pours compacting tool set after non-slurry pelletizing into
In, then it is pressed into adobe by impact molding machine.The ceramic powder grain shape formed due to non-slurry pelletizing mostly is size
The vertebral body differed and/or cylinder, and unlike traditional mist projection granulating, form uniform spherical particles；So that it suppresses
There is the defects such as powder particles is wayward, base face is coarse in the adobe come, and then the smoothness producing finished product ceramic tile glaze is low, beautiful
Feel the problem such as poor, excellence rate is low；And, adobe stress is concentrated, and is being dried and is being susceptible to season cracking in sintering process, broken
Loss rate is high, has a strong impact on product quality.
Summary of the invention
It is an object of the invention to propose a kind of adobe internal stress dispersion, finished surface smooths, the dry-pressing that the proportion of goods damageds are low
The Ceramic Tiles of injection forming and production method thereof.
For reaching this purpose, the present invention by the following technical solutions:
The Ceramic Tiles of a kind of dry-pressing injection forming, including base substrate, described base substrate includes adobe layer and precoat, described adobe
The upper surface of layer has the cavity of concave downward；
Described precoat is arranged at the upper surface of adobe layer, and described precoat fills and leads up the cavity of described adobe layer.
Such structure, utilizes the cavity of adobe layer upper surface concave downward by answering in stamping for dry method powder process adobe
Power is dispersed on radial brick face, is being dried and in sintering process, it is possible to reduce the breakage rate of adobe, uses precoat by recessed simultaneously
Chamber is filled and led up, it is therefore an objective to obtain smooth brick face.In order to make it have preferable composite effect, precoat be by slurry dried and
Obtain.
Preferably, the cross section of the cavity of described adobe layer is arc, and the most described cavity is the most inside from edge to center
Depression；
The central concave degree of depth of the cavity of described adobe layer is 3～5mm.
It is said that in general, adobe layer surface has depression texture can alleviate stress, but its cross section is arc, and cavity is from limit
The structure that Yuan Dao center gradually caves inward can make stress obtain preferably dispersion.The central concave degree of depth of the cavity of adobe layer
Being set to 3～5mm, this is because in this range, the breakage rate of adobe is minimum.
Preferably, the formula of described precoat includes 40～60% non-plastic raw material.Formula at precoat include 40～
60% non-plastic raw material, this is because precoat is preferably by injecting slurry, treats that slurry is formed after drying, if wherein having more
Plasticity material, then can make slurry year increase, and proportion reduces, and moisture content is higher, and the precoat so formed after drying at slurry can
Can there will be the problem such as shrinkage cracking, the most serious depression, and then affect quality, therefore, the formula at precoat should be containing relatively
Many non-plastic raw materials, it can regulate dry shrinkage, and ensure the mobility of slurry under relatively low-water-content.
Preferably, the formula of above-mentioned adobe layer is identical with the formula of described precoat.Formula is identical, and both finally sinter and are
It is difficult to layering.
Preferably, absolute value≤0.05 of the difference burning till constriction coefficient of described adobe layer and described precoat.Select
This numerical range, its purpose is primarily to avoid differing greatly and causing because burning till constriction coefficient between adobe layer and precoat
The defect such as layering.
Preferably, also include glaze layer and printed layer, described glaze layer be arranged at described precoat and described printed layer it
Between.At precoat surface charity glaze, carry out printing ornament, the decorative effect of relatively horn of plenty can be obtained.Here charity glaze can
To use known covering type ground-coat enamel, the glaze such as the most transparent, translucent can also select, and stamp can use and include but do not limit
In the known printing technology such as ink-jet, cylinder, silk screen.
Preferably, the thickness of above-mentioned base substrate is 9～11mm.In the range of this base substrate cup depth, base substrate thickness is set
It it is 9～11mm, it is possible to obtain higher blank strength.
Preferably, the method producing the Ceramic Tiles of described dry-pressing injection forming, comprise the following steps:
Step A, uses the powder punching press of non-slurry pelletizing to make the adobe that upper surface has the cavity of concave downward, to adobe
Carry out biscuiting, obtain biscuit；
Step B, the known ceramic tile production of absolute value≤0.05 of the difference of constriction coefficient is burnt till in the adobe of selection and step A
Slurry is made with raw material；
Step C, in the cavity of the biscuit obtained by described slurry implantation step A, described cavity should be filled out by described slurry
Flat, obtain base substrate；
Step D, the base substrate obtaining step C is dried, and obtains the pottery of described dry-pressing injection forming after high temperature burns till
Ceramic tile.
Preferably, in above-mentioned steps B, select slurry fineness be tailing over of 300 mesh sieves be 3～4g/100ml, slurry
Proportion is 1.72～1.76, and the moisture content of slurry is 34～38%, and the painting four flow velocity cup flow velocity of slurry is 40～60s/ml.At this
Slurry under technological parameter, it is possible to obtain preferably brick face effect, surface is uniform, and the most easy to crack.
Preferably, in described step A, the biscuiting temperature of adobe is 1000～1050 DEG C.
It is to be appreciated that the order of step A and step B can be exchanged.
Preferably, in described step C, described slurry is injected in the cavity of described biscuit by slip shower.
Preferably, described step D includes:
Step D1, base substrate step C obtained is dried 20min in 25～280 DEG C；
Step D2, the upper surface of base substrate after the drying bestows glaze；
Step D3, fires the base substrate after glazing at 1100～1150 DEG C, is then polished the base substrate after firing,
Make the Ceramic Tiles of described dry-pressing injection forming.
Preferably, described step D2 also includes revenue stamp process: the upper surface of base substrate the most after the drying bestows ground-coat enamel, then
Stamp, then the upper surface of the base substrate after stamp bestows cover-coat enamel.
The Ceramic Tiles of described dry-pressing injection forming arranges described adobe layer and described precoat, arranges described precoat and covers
The surface of described adobe layer, solves the shaggy problem of ceramic tile blank of dry-press process, the pottery of described dry-pressing injection forming
The surfacing of the base substrate of ceramic tile is smooth, greatly increases the smoothness of finished product ceramic tile glaze.And, described adobe layer upper
Surface has the cavity of concave downward, and according to material mechanics principle, described cavity makes the described adobe layer of dry-press process
Stress disperses, and is not susceptible to season cracking, improves product quality.
The described adobe biscuiting that non-slurry pelletizing is first pressed into by the production method of the Ceramic Tiles of described dry-pressing injection forming becomes
Biscuit, obtains base substrate filling and leading up described cavity in described slurry injects the cavity of biscuit the most again, thus avoids dry method
The defect impact on finished product glaze quality such as iron tramp spilling and rough surface in the adobe of molding.Utilize the fabric of injection forming
The feature that layer surface is the most smooth, fills and leads up described slurry the cavity of biscuit, had both solved ferra in the adobe of dry-press process
Matter is overflowed and shaggy problem, turn avoid the ink-jet drying process in slip-casting shaping process, reduces finished product loss, improves
The aesthetic feeling of finished product glaze and texture, it is achieved the resource close friend of production technology utilizes.
Accompanying drawing explanation
The present invention will be further described for accompanying drawing, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the Ceramic Tiles structural representation of the dry-pressing injection forming of one of them embodiment of the present invention.
Wherein: base substrate 1；Adobe layer 11；Precoat 12；Glaze layer 2；Printed layer 3.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.It is to be appreciated that
Accompanying drawing is only the schematic diagram that this programme is described, does not draw in strict accordance with ratio, and in order to highlight some construction features, at tool
Body position may have and zooms in or out accordingly.
Embodiment 1
The Ceramic Tiles of the dry-pressing injection forming of the present embodiment, including base substrate 1, as it is shown in figure 1, described base substrate 1 includes adobe
Layer 11 and precoat 12, the upper surface of described adobe layer 11 has the cavity of concave downward；
Described precoat 12 is arranged at the upper surface of adobe layer 11, and described precoat 12 fills and leads up described adobe layer 11
Cavity.
The dry process for forming of architectural pottery is that the ceramic powder after grinding pours compacting tool set after non-slurry pelletizing into
In, then it is pressed into adobe by impact molding machine.The ceramic powder grain shape formed due to non-slurry pelletizing mostly is size
The vertebral body differed and cylinder, and unlike traditional mist projection granulating, form uniform spherical particles；So that to compacting out
Adobe there is the defects such as powder particles is wayward, base face is coarse, and then the smoothness producing finished product ceramic tile glaze is low, aesthetic feeling
The problems such as difference, excellence rate are low；And, adobe stress is concentrated, and is susceptible to season cracking, has a strong impact on product quality.
And the Ceramic Tiles of described dry-pressing injection forming arranges described adobe layer 11 and described precoat 12, described adobe layer 11
The powder punch forming obtained for dry method powder process, is limited to the feature of dry method powder process, and the surface of its stamping adobe layer 11 is thick
Rough injustice, and the dried high temperature sintering of slurry that described precoat 12 is made for ball milling forms, therefore the surface of precoat 12 is put down
Whole smooth, therefore described precoat 12 is set and covers the surface of described adobe layer 11, solve the ceramic tile blank table of dry-press process
The problem that face is coarse, the surfacing of the base substrate 1 of the Ceramic Tiles of described dry-pressing injection forming is smooth, follow-up it is carried out glazing
And/or printing ornament, also can greatly improve the smoothness of finished product ceramic tile glaze.
And, the upper surface of described adobe layer 11 has the cavity of concave downward, according to material mechanics principle, described
Cavity makes the stress of the described adobe layer 11 of dry-press process disperse, and is not susceptible to season cracking, improves product quality.
Preferably, the cross section of the cavity of described adobe layer 11 is arc, the most described cavity from edge to center gradually to
Sunken inside；The central concave degree of depth of the cavity of described adobe layer 11 is 3～5mm.The cavity of described adobe layer 11 from edge to
The heart gradually caves inward, thus the stress that will focus on middle part disperses to the surrounding of adobe layer 11, and then makes adobe layer be difficult to send out
Raw season cracking, reduces finished product breakage rate.The central concave degree of depth of the cavity of described adobe layer 11 is 3～5mm, is preferably
4.5mm.If the described central concave degree of depth is the least, then stress peptizaiton is inconspicuous, and finished product breakage rate is high；If described central concave
The degree of depth is too big, and the thickness of the most described adobe layer 11 is too small, and intensity declines, and is susceptible to fracture.
Preferably, the formula of described precoat 12 includes 40～60% non-plastic raw material；The formula of described adobe layer 11 and institute
The formula stating precoat 12 is identical.Described non-plastic raw material is the natural minerals such as quartz, Anhydrite, does not has viscosity with water after mixing, and increases
The mobility of the raw material of strong described precoat 12, it is simple to the discharge of Free water when the adobe layer 11 injection face bed of material 12；Meanwhile, also
Reduce the contraction when being dried and burning till of the described precoat 12, play skeleton function.And, if non-plastic raw material ratio is the lowest, then
The raw material more thickness of described precoat 12, poor fluidity, it is not easy to the discharge of Free water, also makes the strong of described precoat 12
Degree reduces, and the upper surface of described precoat 12 can not keep level to cave in, affect the smoothness of finished surface；If lean property
Material rate is the highest, and the mobility of the slurry of the most described precoat 12 is big, easily makes precoat 12 because of the too fast discharge of Free water
When dry, produce through hole, and then make the roughening injustice of upper surface of the precoat after burning 12.
The formula of described adobe layer 11 is identical with the formula of described precoat 12, so that described adobe layer 11 and described
The bed of material 12 reaches identical shrinkage value, keeps concordance.The formula of certain or described adobe layer 11 and described precoat 12
Formula differs, and keeps different, it is possible to so that base substrate 1 forms different levels, produce unique decorative effect.
Preferably, absolute value≤0.05 of the difference burning till constriction coefficient of described adobe layer 11 and described precoat 12, from
And prevent because of both burn till constriction coefficient the absolute value of difference excessive, and reduce the smoothness of described base substrate 1, even make base substrate 1
Ftracture when being dried and burning till, increase finished product breakage rate.
Preferably, also include glaze layer 2 and printed layer 3, as it is shown in figure 1, described glaze layer 2 is arranged at described precoat 12
And between described printed layer 3；The thickness of described base substrate 1 is 9～11mm.The Ceramic Tiles of described dry-pressing injection forming also includes glaze
Layer 2 and printed layer 3, described glaze layer 2 can make the most smooth light in surface of the Ceramic Tiles of dry-pressing injection forming, have antifouling anti-
The performances such as corrosion；Described printed layer 3 makes the surface of the Ceramic Tiles of dry-pressing injection forming have colourful decorative pattern, strengthens described
The decorative effect of the Ceramic Tiles of dry-pressing injection forming.The thickness of described base substrate 1 is 9～11mm, preferably 10mm.
Preferably, the method producing the Ceramic Tiles of described dry-pressing injection forming, comprise the following steps:
Step A, uses the powder punching press of non-slurry pelletizing to make the adobe that upper surface has the cavity of concave downward, to adobe
Carry out biscuiting, obtain biscuit；
Step B, the known ceramic tile production of absolute value≤0.05 of the difference of constriction coefficient is burnt till in the adobe of selection and step A
Slurry is made with raw material；
Step C, in the cavity of the biscuit obtained by described slurry implantation step A, described cavity should be filled out by described slurry
Flat, obtain base substrate；
Step D, the base substrate obtaining step C is dried, and obtains the pottery of described dry-pressing injection forming after high temperature burns till
Ceramic tile.
The production method of the Ceramic Tiles of described dry-pressing injection forming, the described adobe biscuiting being first pressed into non-slurry pelletizing becomes
Biscuit, obtains base substrate filling and leading up described cavity in described slurry injects the cavity of biscuit the most again, thus avoids dry method
The defect impact on finished product glaze quality such as iron tramp spilling and rough surface in the adobe of molding.Described adobe is burnt by biscuiting
After becoming biscuit, intensity is greatly improved, to support the grouting with plunger of step C；Simultaneously because the complete dehydration of biscuit, thus described
Biscuit described in step C can absorb rapidly the moisture injecting slurry, makes slurry quickly fill and lead up described cavity, improves injection forming
Speed.The production method of the Ceramic Tiles of described dry-pressing injection forming utilizes the spy that the precoat surface of injection forming extremely smooths
Point, fills and leads up the cavity of biscuit by described slurry, had both solved iron tramp in the adobe of dry-press process and has overflowed and shaggy
Problem, turn avoid the ink-jet drying process in slip-casting shaping process, reduces finished product loss, improves aesthetic feeling and the matter of finished product glaze
Sense, it is achieved the resource close friend of production technology utilizes.
The upper surface that described step A uses has the adobe of the cavity of concave downward, can be by having lower surface convex
The mould compacting of the upper mold risen forms, and described mould arranges the described upper mold of lower surface outwardly convex, thus forms upper surface and be
The inwardly described die cavity of concave surface, uses the upper surface of the adobe that described mould suppresses out to have the cavity of concave downward, described
Adobe stress disperses, and is not susceptible to season cracking, improves product quality.
Described step B, the known Ceramic Tiles of absolute value≤0.05 of the difference of constriction coefficient is burnt till in the adobe of selection and step A
Slurry made by production raw material, thus prevent because of both burn till constriction coefficient the absolute value of difference excessive, and reduce described base substrate
Smoothness, even make base substrate being dried and ftracture when burning till, increase finished product breakage rate.And, slurry described in adjustable
Surface tension so that the billet surface made has colourful mechanism, strengthen the decoration effect of the Ceramic Tiles product made
Really；The described slurry that the many ratios of multicomponent are mixed can also be used, in order to adjust the parameters such as the overall coefficient of expansion of base substrate, increase
Add the motility that production technology adjusts, improve the performance of the Ceramic Tiles of the described dry-pressing injection forming made.
Preferably, in described step B, select fineness be 300 mesh sieves tail over be 3～4g/100ml described slurry, institute
The proportion stating slurry is 1.72～1.76, and the moisture content of described slurry is 34～38%, the painting four flow velocity cup flow velocity of described slurry
It is 40～60s/ml.
The granule fine uniform of the described slurry selected such that it is able to make the described base substrate that surface is the most smooth；And,
The ratio of described slurry is great, and moisture content is low, thus prevents because slurry is containing water excess, and makes the described base substrate table that step C makes
Face can not keep level to cave in, and affects the smoothness of finished product glaze；The painting four flow velocity cup flow velocity of described slurry be 40～
60s/ml, the good fluidity of described slurry, it is simple to the discharge of Free water, improves blank forming speed.
Preferably, the biscuiting temperature of adobe in described step A is 1000～1050 DEG C, and the effect of biscuiting mainly makes adobe
Moisture evaporation, Organic substance volatilization and burning, carbonate decomposition, mineral composition and structure preliminarily form, so that the element burnt till
Sintering briquette has enough intensity, injects for follow-up slurry and plays a supporting role.
Preferably, in described step C, described slurry is injected in the cavity of described biscuit by slip shower.Described slurry
Injecting in the cavity of described biscuit by slip shower without supercharging, described slurry freely falling body injects, it is not necessary to supercharging, operation letter
Single, input cost is low.
Preferably, described step D includes:
Step D1, base substrate step C obtained is dried 20min in 25～280 DEG C；
Step D2, the upper surface of base substrate after the drying bestows glaze；
Step D3, fires the base substrate after glazing at 1100～1150 DEG C, is then polished the base substrate after firing,
Make the Ceramic Tiles of described dry-pressing injection forming.
Described step D1 can use hot blast force drying, shortens the body drying time.Described step D2 is upper to base substrate
Surface glazing, makes the ceramic tile burnt till have the antifouling performance such as anticorrosive, improves product quality.And, in step D3, after firing
Base substrate be polished, make the most smooth light in the surface of ceramic tile burnt till, color and luster is well-balanced, and more have levels sense.
Preferably, described step D2 also includes revenue stamp process: the upper surface of base substrate the most after the drying bestows ground-coat enamel, then
Stamp, then the upper surface of the base substrate after stamp bestows cover-coat enamel.Described step D2 increases revenue stamp process, described dry-pressing can be improved
The decorative effect of the Ceramic Tiles of injection forming, expands the scope of application.Described revenue stamp process uses traditional ceramics printing technique, including
Ink-jet printed, screen printing and roller printing etc..
Embodiment 2
The production method of the Ceramic Tiles of the dry-pressing injection forming of the present embodiment, comprises the following steps:
Step 1, calculates according to the mass fraction, weighs 10 parts of clays, 38 parts of silts, 51 parts of Anhydrites and 1.2 parts of ceramic additives,
Non-slurry pelletizing is pressed into the adobe that upper surface has the cavity of concave downward, and the central concave degree of depth of cavity is 4.5mm, brick
The edge thickness of base is 11mm；
Step 2, fires 30min by the adobe in step 1, it is thus achieved that biscuit at 1020 DEG C；
Step 3, calculates according to the mass fraction, weighs 10 parts of clays, 38 parts of silts, 51 parts of Anhydrites and 1.2 parts of ceramic additives,
Mixing and ball milling become fineness be 300 mesh sieves tail over be 3～4g/100ml slurry；
Step 4, in the cavity of the biscuit that slurry step 3 obtained is obtained by slip shower implantation step 2, described slurry
Described cavity should be filled and led up by material, obtains base substrate；
Step 5, base substrate step 4 obtained is dried 20min in 150 DEG C；
Step 6, the upper surface of base substrate after the drying is bestowed ground-coat enamel, is dried 15min；Base substrate after executing ground-coat enamel is upper again
Surface is ink-jet printed, then the upper surface of the base substrate after stamp bestows cover-coat enamel；
Step 7, fires 60min by the base substrate after step 6 glazing stamp at 1120 DEG C, then enters the base substrate after firing
Row polishing, can be prepared by the Ceramic Tiles of described dry-pressing injection forming.
The surfacing of the Ceramic Tiles of the described dry-pressing injection forming prepared is smooth, and glaze smoothness is good, attractive appearance, anti-
Folding intensity is 45.86.
Embodiment 3
The production method of the Ceramic Tiles according to the dry-pressing injection forming described in embodiment 1, makes the cavity of adobe layer 11
The Ceramic Tiles that the central concave degree of depth is different, the Ceramic Tiles of every kind of central concave degree of depth makes 1000, and more every kind of central fovea
Falling into breakage rate and the rupture strength of the Ceramic Tiles of the degree of depth, result is as shown in table 1 below:
Table 1
As shown in Table 1, when the central concave degree of depth of the cavity of described adobe layer 11 is the least, the stress of the most described adobe layer 11
Peptizaiton is inconspicuous, and finished product Ceramic Tiles breakage rate is high；When the described central concave degree of depth is too big,
The thickness of the most described adobe layer 11 is too small, and intensity declines, and is susceptible to fracture.Therefore, described adobe layer 11 is recessed
The central concave degree of depth in chamber is 3～5mm, and preferably 4.5mm makes stress disperse, and Ceramic Tiles intensity is suitable for, and breakage rate is low.
Embodiment 4
The production method of the Ceramic Tiles according to the dry-pressing injection forming described in embodiment 1, the lean property making precoat 12 is former
The base substrate that material content is different, and compare billet surface smoothness, result is as shown in table 2 below:
| Non-plastic raw material content (%) | Billet surface smoothness |
| 20～40 | There is depression, unsmooth |
| 40～60 | Flat smooth |
| 60～80 | Rough surface, hole |
Table 2
As shown in Table 2, when the non-plastic raw material content of described precoat 12 is the lowest, and the raw material of the most described precoat 12 is the most viscous
Thick, poor fluidity, it is not easy to the discharge of Free water, also makes the intensity of described precoat 12 reduce, make the billet surface prepared
Level can not be kept to cave in, affect the smoothness of finished product glaze；When the non-plastic raw material content of described precoat 12 is the highest,
The mobility of the raw material of the most described precoat 12 is excessive, easily makes precoat 12 produce through hole because of the too fast discharge of Free water, system
The roughening injustice of billet surface obtained.Therefore, the non-plastic raw material content of described precoat 12 is set to 40～60%, both ensures have
Enough mobility make Free water quickly discharge, and also ensure that prepared billet surface is smooth, improve the glaze of finished product Ceramic Tiles
The smoothness in face.
The know-why of the present invention is described above in association with specific embodiment.These describe and are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (10)
1. a Ceramic Tiles for dry-pressing injection forming, including base substrate, it is characterised in that: described base substrate includes adobe layer and fabric
Layer, the upper surface of described adobe layer has the cavity of concave downward；
Described precoat is arranged at the upper surface of adobe layer, and described precoat fills and leads up the cavity of described adobe layer.
The Ceramic Tiles of dry-pressing injection forming the most according to claim 1, it is characterised in that: the horizontal stroke of the cavity of described adobe layer
Cross section is arc, and the most described cavity gradually caves inward from edge to center；
The central concave degree of depth of the cavity of described adobe layer is 3～5mm.
The Ceramic Tiles of dry-pressing injection forming the most according to claim 1, it is characterised in that: the formula of described precoat includes
40～60% non-plastic raw material.
The Ceramic Tiles of dry-pressing injection forming the most according to claim 1, it is characterised in that: described adobe layer and described fabric
Absolute value≤0.05 of the difference burning till constriction coefficient of layer.
The Ceramic Tiles of dry-pressing injection forming the most according to claim 1, it is characterised in that: also include glaze layer and stamp
Layer, described glaze layer is arranged between described precoat and described printed layer.
6. the method producing the Ceramic Tiles of dry-pressing injection forming as claimed in claim 1, it is characterised in that include following step
Rapid:
Step A, uses the powder punching press of non-slurry pelletizing to make the adobe that upper surface has the cavity of concave downward, carries out adobe
Biscuiting, obtains biscuit；
Step B, selects the known ceramic tile production of absolute value≤0.05 of the difference burning till constriction coefficient with the adobe of step A with former
Slurry made by material；
Step C, in the cavity of the biscuit obtained by described slurry implantation step A, described cavity should be filled and led up by described slurry,
To base substrate；
Step D, the base substrate obtaining step C is dried, and obtains the Ceramic Tiles of described dry-pressing injection forming after high temperature burns till.
The production method of the Ceramic Tiles of dry-pressing injection forming the most according to claim 6, it is characterised in that: described step B
In, the fineness of described slurry be tailing over of 300 mesh sieves be 3～4g/100ml, the proportion of described slurry is 1.72～1.76, described
The moisture content of slurry is 34～38%, and the painting four flow velocity cup flow velocity of described slurry is 40～60s/ml；
The biscuiting temperature of adobe in described step A is 1000～1050 DEG C.
The production method of the Ceramic Tiles of dry-pressing injection forming the most according to claim 6, it is characterised in that: described step C
In, described slurry is injected in the cavity of described biscuit by slip shower.
The production method of the Ceramic Tiles of dry-pressing injection forming the most according to claim 6, it is characterised in that described step D
Including:
Step D1, base substrate step C obtained is dried 20min in 25～280 DEG C；
Step D2, the upper surface of base substrate after the drying bestows glaze；
Step D3, fires the base substrate after glazing at 1100～1150 DEG C, is then polished the base substrate after firing, makes
The Ceramic Tiles of described dry-pressing injection forming.
The production method of the Ceramic Tiles of dry-pressing injection forming the most according to claim 9, it is characterised in that described step
D2 also includes revenue stamp process: the upper surface of base substrate the most after the drying bestows ground-coat enamel, then stamp, then the base substrate after stamp
Upper surface bestows cover-coat enamel.
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| CN108724436A (en) * | 2018-06-14 | 2018-11-02 | 佛山东鹏洁具股份有限公司 | A kind of sanitary ceramics punch forming process |
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| CN108789774A (en) * | 2018-06-14 | 2018-11-13 | 佛山东鹏洁具股份有限公司 | For the stamping forming die assembly of sanitary ceramics and use its stamping system |
| CN110744685A (en) * | 2019-11-19 | 2020-02-04 | 佛山市东鹏陶瓷有限公司 | Ceramic tile mold and green brick made by same |
| CN111268908A (en) * | 2020-03-02 | 2020-06-12 | 福建省德化县昱晟工艺品有限责任公司 | Preparation method of low-temperature peacock green glaze porcelain |
| CN113400442A (en) * | 2021-06-23 | 2021-09-17 | 佛山市蓝之鲸科技有限公司 | Method for manufacturing glazed tile by using solid powder |
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| CN106320622B (en) | 2019-01-04 |
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Effective date of registration: 20170414 Address after: 528031 Chancheng, Foshan District, Jiangwan, No. three, No., layer 8, layer two Applicant after: Foshan Dongpeng Ceramic Co., Ltd. Applicant after: Guangdong Dongpeng Holdings Co., Ltd. Applicant after: Zibo Kapuer Ceramics Co., Ltd. Applicant after: Donghua Foshan New Material Co., Ltd. Address before: 528031 Chancheng, Foshan District, Jiangwan, No. three, No., layer 8, layer two Applicant before: Foshan Dongpeng Ceramic Co., Ltd. Applicant before: Guangdong Dongpeng Holdings Co., Ltd. Applicant before: Zibo Kapuer Ceramics Co., Ltd. Applicant before: Foshan Huashengchang Ceramic Co., Ltd. Applicant before: Guangdong Dongpeng Ceramic Co., Ltd. |
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