CN102390076A - Dry powder pressure moulding method of ceramic bottleneck - Google Patents
Dry powder pressure moulding method of ceramic bottleneck Download PDFInfo
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- CN102390076A CN102390076A CN201110324537XA CN201110324537A CN102390076A CN 102390076 A CN102390076 A CN 102390076A CN 201110324537X A CN201110324537X A CN 201110324537XA CN 201110324537 A CN201110324537 A CN 201110324537A CN 102390076 A CN102390076 A CN 102390076A
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Abstract
The invention relates to a dry powder pressure moulding method of ceramic bottleneck, comprising the steps of preparing special bottleneck slurry by using china clay, clay, Kaolin clay, feldspar and kibushi-clay, and then adding water and sodium silicate and carrying out sufficient ball-milling to obtain slurry with relatively good flowability; adding a prepared methylcellulose solution into the slurry to enhance the strength of a pressure moulded blank, further obtaining dry powder particles by using an integrated device of spraying, drying and prilling; moulding the dry powder in mode of dry compression by using a high precision hard alloy ceramic bottleneck mould and dry powder hydraulic pressure moulding machine, thereby obtaining a dry blank semi-finished product; finally obtaining a bottleneck blank having a size precision no more than +/- 0.005mm uniformly by using an automatic processing device; the bottleneck quality is greatly superior to that of conventional products; the method in the invention has high automation, the problem of high consumption of time, labor and material is solved, especially, resource consumption is reduced; no plaster mould is used, so that no waste discharge is realized and the ceramic bottle can be used widely.
Description
Technical field
The present invention relates to pottery bottle processing technique field, relate in particular to a kind of ceramic wine bottle bottleneck full-automatic dry powder pressure forming method.
Background technology
Domestic ceramic bottle mouth mostly adopts the mode of injection forming or roll forming at present, and injection forming main production process step mainly comprises: preparation mud, carrying out injection forming in the mud injection plaster mold, adopt the cutter finishing at last; The roll forming technological process is as shown in Figure 1, and step comprises: preparation mud, and press filtration, pugging is injected pugging in the ceramic bottleneck mould it is carried out roll forming, adopts the cutter repaired biscuit of accurate dimension.
Injection forming and roll forming have three common ground: the one, adopt the high raw material of moisture content; Moisture content is greater than 24% behind the injection forming; The roll forming moisture content is 18～20%; Because of the high operating process of moisture content is exerted oneself, careless slightly just the generation is out of shape, and the distortion because of ultra deviation of size and generation reaches about 15% qualitatively; Because bottleneck quality is one of most important factor in the pottery bottle production process, and the mouth sizes precision very easily changes along with the size of pug moisture content, the moisture content size in the production process be do not allow manageable; The 2nd, the two technology all adopts plaster mold; Mold Making is for making by hand; Specification was because of the working face wearing and tearing significant change of mould, the general influence of adopting the access times that reduce each mould to reduce this drawback when size poor consistency, each mould were used more than 20 times; The 3rd, manually-operated, production efficiency is lower, and labour intensity is also big; These two kinds of forming methods per capita output per day about 2000; Scale error ± 0.5mm is easy to produce metaboly, and mouth sizes is difficult to control and easy deformation brings very big difficulty for mechanization can, encapsulation.
There is defective in prior art, haves much room for improvement.
Summary of the invention
The objective of the invention is, the problem that exists to prior art provides a kind of saving man-hour, and is low consumed, the ceramic bottleneck dry powder pressure forming method that error is little.
Technical scheme of the present invention is following: a kind of ceramic bottleneck dry powder pressure forming method, it is characterized in that: said method comprises the steps:
A, batching, said batching are pressed column weight amount percentage and are prepared:
China clay 50%～70%
Clay 10%～20%
Kaolin 8%～15%
Feldspar 5%～17%
Kieselguhr 1%～8%
B, preparation mud are pressed column weight amount percentage with said batching and are mixed with water and waterglass, batching 61%～73.5%, water 26%～38%, waterglass 0.1%～1%, ball milling 20～26 hours;
C, through fully stirring in the agitator that send stock pump said mud to be added spray drying device; Make said concentration of hydraulic mixture be adjusted to 54～60 Baume degrees; And said mud is carried out heat drying through drying tower handle, obtain dry powder particle, pack subsequent use;
D, ceramic bottleneck mould is installed on the mould bases of dry powder pressure forming machine;, get in the charging hopper of the said dry powder pressure forming machine of an amount of adding of said dry powder from the dry powder that goes out the required particle diameter of product with gradation sizing, said dry powder is put into ceramic bottleneck mould; Through the dry powder pressure forming machine that it is dry-pressing formed; The pressure of said dry powder pressure forming machine is controlled in 2～10 tons of scopes, output be controlled at 9-12 spare/minute, produce semi-finished product;
E, process finishing back to said semi-finished product through automatic or semi-automatic processing machine and be final products.
Wherein, said batching is pressed column weight amount percentage and is prepared: china clay 60%, clay 15%, kaolin 10%, feldspar 10%, kieselguhr 5%.
Wherein, said mud component weight percent proportioning is: batching 69.5%, and water 30%, waterglass 0.5% mixed the back ball milling 24 hours, and fineness is controlled at 250 orders.
Wherein, Add the methocel solution that modulates in the said mud; Its component weight percent proportioning is: mud is 99.5%～99.9%, and methocel solution is 0.1%～0.5%, and best proportioning is a mud 99.5%; Methocel solution 0.5%, the concentration of said methocel solution are 5～10%.
Wherein, said classifying screen uses 100～200 purpose classifying screens, gets in the charging hopper of 5～7 kilograms of said dry powder pressure forming machines of adding of said dry powder.
Wherein, the said slurry pump pressure that send is controlled at 2～3kg/cm2, and the baking temperature of said drying tower is controlled in 180 ℃～280 ℃ scopes.
Wherein, said dry powder particle diameter between 0.1～0.5mm, moisture content < 1%.
Wherein, the mold materials of said ceramic bottleneck adopts the high accuracy carbide alloy.
Concrete, in technical scheme of the present invention, the composition of raw materials that is adopted mainly comprises:
China clay: be the primary raw material of pottery (H4Al2Si2O9), pure china clay is a kind of white or canescence, and the soft mineral of gloss as the tiffany are arranged.The composition of pure china clay is: SiO2 46.51%; Al2O3 39.54%; H2O 13.95%, and fusibility is 1780, is reflected in the total amount height (about 2 ~ 8%) of SiO2 content on the chemical composition higher (general>70%), Al2O3 content lower (about 16 ~ 24%), K2O and Na2O.The refractoriness of china clay is also low than kaolin.
Clay: the main body chemical composition of clay mineral is sieve and silica-sesquioxide and water, but it is characterized in that combining furnishing to soften with suitable quantity of water can have plasticity around the ooze that refers to, can become the hard sintered body with certain humidity after the walk burning with Plastic Forming.Clay generally is fine dispersion particle, has associativity simultaneously; Main body when the appearance of clay makes it become the ceramic body sintering, the main source of mullite crystal in the formation porcelain.
Kaolin; Mainly by forming less than kaolinite bunch mineral (kaolinite, dickite, nacrite, galapectite etc.) such as the small sheet of 2 microns, tubulose, laminated; Desirable chemical formula is AL2O3-2SiO2-2H2O; Its essential mineral composition is kaolinite and halloysite, except that kaolinite bunch mineral, also has other mineral associations such as montmorillonite, illite, pyrophillite, quartz and feldspar.K2O, Na2O, CaO and the MgO etc. that contain a large amount of AL2O3, SiO2 and a spot of Fe2O3, TiO2 and trace in the kaolinic chemical composition.
Feldspar: have potassium, sodium, the calcium of so-called frame shape crystal structure, the aluminosilicate of barium, promptly have [AlSi3O8]-or the manosil AS root of [AlSi3O8] 2-, wherein the ratio of (Al+Si) and O 1:2 always; The feldspar chemical analysis is the gypsum that natural product does not contain the crystallization water, and main component is calcium sulfate (CaSO4), in addition, and normal assorted aluminium oxide (Al2O3), ferrous disulfide (FeS2), magnesia (MgO), the silica (SiO2) that trace is arranged, and strontium, barium etc.
Kieselguhr: be a kind of rich organic high plasticity sedimentary clay, the essential mineral composition is kaolinite, halloysite and a diaspore.Kieselguhr usually darkly, brown, blue, grey, brown isochrome, be the main bonding clay of ceramic industry, consumption is too much unsuitable with to burn till contraction bigger but it is dry, the present invention controls its content, and to account for percentage by weight be 5%.
Waterglass (bubble flower alkali): formal name used at school is sodium metasilicate, sodium potassium silicate, for colourless or have a little look, transparent or semitransparent thick liquid, can be water-soluble, and to meet acid and decompose, its anhydride is unformed glassy mass, does not have to smell tastelessly, does not fire not quick-friedly, is that alkalescence is arranged.
Methylcellulose: these article are white or off-white color is fibrous or particulate powder; Odorless, tasteless.These article are swelled into the colloidal solution of clarification or little muddiness in water; Insoluble in absolute ethyl alcohol, chloroform or ethanol; Its chemical composition is the methyl ether cellulose; Pressing dry product calculates; (OCH3) should be 27.0%-32.0%, the present invention adds the intensity that can strengthen the pressure forming blank in the mud with the methocel solution that modulates, and wherein methocel solution concentration is 5～10% to contain methoxyl group.
In the present invention, the Processes and apparatus of specifically not describing etc. all is the conventional uses of the industry.
Beneficial effect of the present invention is: after the present invention adopts technique scheme, because configure dedicated bottleneck mud, and through the higher spraying of automation, drying, granulating integrated equipment; Adopt state-of-the-art high accuracy sintered-carbide die, through obtaining a kind of dry body semi-finished product after the pressure forming, obtain the dimensional accuracy unification being no more than ± the bottleneck blank of 0.05mm through more than half or full-automatic process equipment; Bottleneck quality obviously is superior to traditional mode of production, the proportion of goods damageds 1%, every secondary die life 1,000,000 times; Per capita every day 6000 of output, per ten thousand production costs have only 45% of original production process, labour intensity obviously reduces; And new technology all adopts meter key operation, and automaticity improves, and solves the present situation of the time-consuming expense material high flow rate of taking a lot of work; Particularly reduced resource consumption; Do not use plaster mold, realized the no waste discharging simultaneously, thereby the pottery bottle is used widely.
Description of drawings
Fig. 1 is a prior art bottleneck roll forming process chart;
Fig. 2 is a dry powder pressure forming bottleneck process chart;
Fig. 3 is a bottleneck semi-finished product structural representation of the present invention;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is a final finished bottleneck structure sketch map of the present invention.
The specific embodiment
Ceramic bottleneck dry powder pressure forming method provided by the present invention has disposed special-purpose bottleneck mud, adopts china clay; Clay, kaolin, feldspar and kieselguhr; And add water and the waterglass ball milling obtained flowability mud preferably in 24 hours, and in mud, add the methocel solution that modulates to strengthen the intensity of pressure forming blank, through the preparation and the processing of above-mentioned raw materials; Make special-purpose bottleneck mud have mobile the increase, better caking property is high with the blank intensity of producing.
The present invention's pottery bottleneck dry powder pressure forming method at first disposes bottleneck mud recited above; Obtain dry powder particle through spraying, dry, granulating integrated equipment then, pack subsequent usely, the ceramic bottleneck mould of high accuracy carbide alloy is installed on the mould bases of press; With 100～200 gradation sizings from going out the required dry powder of product; The dry powder of getting 5kg to 7 kilogram adds in the charging hopper of dry powder pressure forming machine, and dry powder is added in the ceramic bottleneck mould automatically after the equipment work, and is through the dry powder pressure forming machine that said dry powder is dry-pressing formed by ceramic bottleneck mould; Obtain a kind of dry body semi-finished product; Obtain the dimensional accuracy unification through semi-automation or equipment for automatically processing at last to be no more than ± the bottleneck blank of 0.05mm, bottleneck quality obviously is superior to traditional mode of production, sees Fig. 2 for details and shows production procedure.
Embodiment 1, ceramic bottleneck dry powder pressure forming method step comprise:
S201, batching, said batching are pressed column weight amount percentage and are prepared:
China clay 60%, clay 15%, kaolin 10%, feldspar 10%, kieselguhr 5%;
S202, preparation mud, above-mentioned batching adds entry and waterglass mixes, and presses column weight amount percentage, (batching 69.5%, water 30%, waterglass 0.5%), and ball milling 24 hours, fineness is controlled at 250 orders, is the best between tailing over 0.3～0.8%;
S203, through fully stirring in the agitator that send stock pump top mud to be added spray drying device, make said concentration of hydraulic mixture be adjusted to 58 Baume degrees, in order to realize strengthening the intensity of pressure forming blank; In mud, add the methocel solution 0.5% that modulates by weight percentage; Through drying tower mud is carried out heat drying and handle, obtain dry powder particle, the dry powder particle diameter of production is at 0.3mm; Moisture content 0.9%; Pack subsequent usely, wherein send the pressure of stock pump to be controlled at 2.5 kilograms, baking temperature is 240 ℃;
S204, ceramic bottleneck mould is installed on the mould bases of dry powder pressure forming machine, from going out the required dry powder of product, gets in the charging hopper that 5kg dry powder adds the dry powder pressure forming machine with 100～200 gradation sizings; Dry powder adds in the ceramic bottleneck mould automatically after the equipment work, and is through the dry powder pressure forming machine that it is dry-pressing formed, and wherein the pressure of dry powder pressure forming machine is controlled at 5 tons; Output is controlled at 10/minute, and the semi-finished product of producing are neatly adorned box, can not extrusion and collision; Semi-finished product are as shown in Figure 3, and Fig. 3 is half-finished front view, and Fig. 4 is the A-A face cutaway view of Fig. 3; Visible from Fig. 3 and Fig. 4, half-finished shape is the cylindric of inner hollow;
S205, process finishing to semi-finished product through semi-automatic processing machine, initial product must accurately be measured, the processing capacity through fine setting adjustment finishing knife not up to standard; Reach the requirement rear and can be mass-produced, inspect by random samples during per hundred products, measurement size once; Prevent that abnormal conditions from occurring; Obtain the bottleneck of product such as Fig. 5, design different moulds certainly, can produce difform bottleneck.
Embodiment 2, ceramic bottleneck dry powder pressure forming method step comprise:
S201, batching, said batching are pressed column weight amount percentage and are prepared:
China clay 58%, clay 16%, kaolin 12%, feldspar 10%, kieselguhr 4%;
S202, preparation mud, above-mentioned batching adds entry and waterglass mixes, and presses column weight amount percentage, batching 71.3%, water 28%, waterglass 0.7%, ball milling 26 hours, fineness is controlled at 250 orders, tails over 0.5%;
S203, through fully stirring in the agitator that send stock pump top mud to be added spray drying device, make said concentration of hydraulic mixture be adjusted to 60 Baume degrees, in mud, add the methocel solution 0.4% that modulates by weight percentage; And mud is carried out heat drying handle, obtaining dry powder particle, the dry powder particle diameter of production is at 0.5mm; Moisture content 0.7%; Pack subsequent usely, wherein send the pressure of stock pump to be controlled at 3 kilograms, baking temperature is 270 ℃;
S204, ceramic bottleneck mould is installed on the mould bases of dry powder pressure forming machine, from going out the required dry powder of product, gets in the charging hopper that 5 kilograms of dry powder add the dry powder pressure forming machines with 100～200 gradation sizings; Dry powder adds in the ceramic bottleneck mould automatically after the equipment work; Through the dry powder pressure forming machine that it is dry-pressing formed, wherein the pressure of dry powder pressure forming machine is controlled at 9 tons, and output is controlled at 12/minute; The semi-finished product of producing are neatly adorned box, can not extrusion and collision;
S205, with embodiment 1.
Embodiment 3, ceramic bottleneck dry powder pressure forming method step comprise:
S201, batching, said batching are pressed column weight amount percentage and are prepared:
China clay 59%, clay 16%, kaolin 11%, feldspar 11%, kieselguhr 3%;
S202, preparation mud are pressed column weight amount percentage with above-mentioned batching and are mixed with water and waterglass, batching 69%, and water 30.6%, waterglass 0.4%, ball milling 25 hours, fineness is controlled at 250 orders;
S203, through fully stirring in the agitator that send stock pump top mud to be added spray drying device, make said concentration of hydraulic mixture be adjusted to 55 Baume degrees, in mud, add the methocel solution 0.35% that modulates by weight percentage; And mud is carried out heat drying handle, obtaining dry powder particle, the dry powder particle diameter of production is at 0.35mm; Moisture content 0.9%; Pack subsequent usely, wherein send the pressure of stock pump to be controlled at 3 kilograms, baking temperature is 220 ℃;
S204, ceramic bottleneck mould is installed on the mould bases of dry powder pressure forming machine, from going out the required dry powder of product, gets in the charging hopper that 7 kilograms of dry powder add the dry powder pressure forming machines with 100～200 gradation sizings; Dry powder adds in the ceramic bottleneck mould automatically after the equipment work; Through the dry powder pressure forming machine that it is dry-pressing formed, wherein the pressure of dry powder pressure forming machine is controlled at 5 tons, and output is controlled at 11/minute; The semi-finished product of producing are neatly adorned box, can not extrusion and collision;
S205, with embodiment 1.
What should explain is; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. ceramic bottleneck dry powder pressure forming method, it is characterized in that: said method comprises the steps:
Batching, said batching is pressed column weight amount percentage and is prepared:
China clay 50%～70%
Clay 10%～20%
Kaolin 8%～15%
Feldspar 5%～17%
Kieselguhr 1%～8%
Preparation mud is pressed column weight amount percentage with said batching and is mixed with water and waterglass, batching 61%～73.5%, water 26%～38%, waterglass 0.1%～1%, ball milling 20～26 hours;
Through fully stirring in the agitator that send stock pump said mud to be added spray drying device, make said concentration of hydraulic mixture be adjusted to 54～60 Baume degrees, and said mud is carried out heat drying through drying tower handle, obtain dry powder particle, pack subsequent use;
Ceramic bottleneck mould is installed on the mould bases of dry powder pressure forming machine;, get in the charging hopper of the said dry powder pressure forming machine of an amount of adding of said dry powder from the dry powder that goes out the required particle diameter of product with said gradation sizing, said dry powder is put into ceramic bottleneck mould; Through the dry powder pressure forming machine that it is dry-pressing formed; The pressure of said dry powder pressure forming machine is controlled in 2～10 tons of scopes, output be controlled at 9-12 spare/minute, produce semi-finished product;
Process the finishing back to said semi-finished product through automatic or semi-automatic processing machine and be final products.
2. according to the described ceramic bottleneck preparation method of claim 1, it is characterized in that: said batching is pressed column weight amount percentage and is prepared: china clay 60%, clay 15%, kaolin 10%, feldspar 10%, kieselguhr 5%.
3. according to claim 1 or 2 described ceramic bottleneck preparation methods, it is characterized in that: said mud component weight percent proportioning is: batching 69.5%, and water 30%, waterglass 0.5% mixed the back ball milling 24 hours, and fineness is controlled at 250 orders.
4. according to the described ceramic bottleneck preparation method of claim 3; It is characterized in that: add the methocel solution that modulates in the said mud; Its component weight percent proportioning is: mud is 99.5%～99.9%; Methocel solution is 0.1%～0.5%, and best proportioning is a mud 99.5%, methocel solution 0.5%.
5. ceramic bottleneck preparation method according to claim 4 is characterized in that: the concentration of said methocel solution is 5～10%.
6. according to the described ceramic bottleneck preparation method of claim 1, it is characterized in that: said classifying screen uses 100～200 purpose classifying screens, gets in the charging hopper of 5～7 kilograms of said dry powder pressure forming machines of adding of said dry powder.
7. according to the described ceramic bottleneck preparation method of claim 1, it is characterized in that: the said slurry pump pressure that send is controlled at 2～3kg/cm2, and the baking temperature of said drying tower is controlled in 180 ℃～280 ℃ scopes.
8. according to the described ceramic bottleneck preparation method of claim 1, it is characterized in that: said dry powder particle diameter between 0.1～0.5mm, moisture content < 1%.
9. according to the described ceramic bottleneck preparation method of claim 1, it is characterized in that: the mold materials of said ceramic bottleneck adopts the high accuracy carbide alloy.
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| JPH02293368A (en) * | 1989-05-02 | 1990-12-04 | Sumitomo Cement Co Ltd | Porcelain starting powder and production of imitation lace made of porcelain |
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| CN101407435A (en) * | 2008-11-06 | 2009-04-15 | 隆达骨质瓷有限公司 | Method for preparing ceramic underglaze color mud base and ceramic underglaze color mud decoration |
| CN101880524A (en) * | 2010-04-27 | 2010-11-10 | 福建省宁德市俊杰瓷业有限公司 | Ultra-low-density ceramic proppant and preparation method thereof |
| CN102093034A (en) * | 2010-12-10 | 2011-06-15 | 望城县铜官泥人刘艺术陶瓷厂 | Ceramic and preparation method thereof |
-
2011
- 2011-10-24 CN CN201110324537XA patent/CN102390076B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02293368A (en) * | 1989-05-02 | 1990-12-04 | Sumitomo Cement Co Ltd | Porcelain starting powder and production of imitation lace made of porcelain |
| CN1257142A (en) * | 1999-12-03 | 2000-06-21 | 南海海天装饰砖有限公司 | Ceramic brick and making method |
| KR20010077071A (en) * | 2000-01-31 | 2001-08-17 | 박호군 | A prepartion method for a ceramic filter having continual antibiotic property |
| CN101323520A (en) * | 2008-03-27 | 2008-12-17 | 熊禄生 | Heat resisting red porcelain chinaware |
| CN101407435A (en) * | 2008-11-06 | 2009-04-15 | 隆达骨质瓷有限公司 | Method for preparing ceramic underglaze color mud base and ceramic underglaze color mud decoration |
| CN101880524A (en) * | 2010-04-27 | 2010-11-10 | 福建省宁德市俊杰瓷业有限公司 | Ultra-low-density ceramic proppant and preparation method thereof |
| CN102093034A (en) * | 2010-12-10 | 2011-06-15 | 望城县铜官泥人刘艺术陶瓷厂 | Ceramic and preparation method thereof |
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