CN1911861A

CN1911861A - Method for manufacturing ceramic product

Info

Publication number: CN1911861A
Application number: CN 200610121235
Authority: CN
Inventors: C·斯特凡诺
Original assignee: BARBIRIHETAROZ GROUP Co Ltd
Current assignee: BARBIRIHETAROZ GROUP Co Ltd
Priority date: 2005-05-14
Filing date: 2006-05-12
Publication date: 2007-02-14
Also published as: ITMO20060147A1; GB0509884D0

Abstract

A method for manufacturing ceramic product comprises manufacturing ceramic material mixture in drying behaviour or low moisture content, laminatively accumulating the mixture on a supporting surface (4), compacting the mixture on the supporting surface (4) at preset pressure utilizing a compacting method and a compacting apparatus (3, 7), and baking the compacted mixture.

Description

Make the method for ceramic product

The present invention relates to a kind of method of making ceramic product.

As everyone knows, carry out the manufacturing of ceramic product according to two kinds of methods.

First method prepares the mercury alloys of the ceramic raw material of plastic state, with suitable extrusion machine they is extruded; Then formed successive foil is cut to required size to form product, promptly produce the adobe that is sent to dry and roasting in the kiln at last.

Second method prepares the ceramic raw material of pulverulence, forms the described raw material of preset dose and they are packed in the chamber of pressing machine, in each time pressurizeed, make ceramic raw material bonding, form green compact, identical with aforementioned schemes, next green compact are sent into dry and last roasting in the kiln.

In the production cycle process, also provide applying of decorative pattern, but they do not change to above-mentioned two kinds of production technologies basically.

In the second approach, (this term should be understood that raw material has the humidity of low per-cent and be the drying regime of loose form therefore when employed ceramic raw material is in powder and drying regime, it is enough firm that this requires to use the large-tonnage pressing machine to suppress the product that makes formation, to allow carrying them before the stage of roasting in the end.

The system that uses pulverous stupalith and dried feed to produce ceramic product has high purchase and carrying cost usually, and this mainly is that this itself influences the cost of system significantly because need large tonnage pressing machine.

An object of the present invention is to improve the state of the art.Another object of the present invention is that to make ceramic product and do not need to rely on for example having load be at 250kg/cm ²To 500kg/cm ²Between the high pressure that provides of conventional large tonnage pressing machine under compacting.

Further object of the present invention is to create a kind of method of making ceramic product, and this method is more favourable economically, and this will give the credit to the fact that does not need to use large tonnage pressing machine.

According to an aspect of the present invention, provide a kind of method of making ceramic product, it is characterized in that comprising: the preparation part that is at least a ceramic powder raw material of drying regime or low moisture content; Compacting is accompanied by compacting step, and described part material is in 20kg/cm ²To 100kg/cm ²Pressure under, obtain the product be compacted; The described product that is compacted of roasting.

According to another aspect of the present invention, provide a kind of equipment of making ceramic product, it is characterized in that, comprising: bearing surface is positioned at the transport unit of the ceramic powder raw material part on the described bearing surface, with at 20kg/cm ²To 100kg/cm ²Between pressure with the device of the described part compacting on the described bearing surface, the product that obtains being compacted according to compacting step.

Further aspect of the present invention and advantage will be along with to the disclosures of the device of making ceramic product and the embodiment that makes the ceramic product method and more clear, its in conjunction with the drawings in the mode of indefiniteness embodiment illustrate, wherein:

Fig. 1 makes the diagrammatic side view of the device of ceramic product in the charging stage of ceramic raw material mixture layer;

Fig. 2 is the part side-view of device shown in Figure 1 in the pre-compacted stage of ceramic raw material mixture layer;

Fig. 3 is the part side-view of device shown in Figure 1 at the packing stage of ceramic raw material mixture layer;

Fig. 4 is a diagrammatic side view of making the equipment of ceramic product.

With reference to figure 1-3,1 is the device of making ceramic product " M " among the figure, and it comprises mould 2 and press ram 3 in example.

The latter comprises the support and the plane of movement 4 of feed conveyor 5, loaded the ceramic raw material mixture of the Powdered and drying regime of being in of preset vol in the feed conveyor 5, this mixture is fed by feeding device 105, it should be noted that drying regime is meant that moisture percentage is lower than 6% state.

On plane 4, form opening 6, wherein packed in the position shown in the figure 1 and Fig. 2 and shown in Figure 3 be lower than the plate 7 that is driven by mobility ground between described planar position, in the position shown in the figure 1, end face 107 is in co-planar locations with plane 4, does not have the significant prolongation that interrupts so that form.

Drift 3 is positioned at opening 6 places and alignment above it, so that drift 3 can be extend in the opening 6.

Drift 3 and plate 7 are driven by

Linear actuator

8 and 9 respectively.

Feed conveyor 5 is also along with its driving mechanism moves forward and backward, described driving mechanism is not expression in the accompanying drawings, the positions of a large amount of loadings of the ceramic powder stock mixture of its position of moving between feeding device 105 below and the loading capacity of form layers " S " being discharged between the position on the surface 107 of plate 7.

Drift 3 is set so that apply limited pressure to layer " S ", described pressure has 20kg/cm ²To 100kg/cm ²Between preset value.

When packing stage was finished, the layer that is compacted produced adherent product " M ", and it has the given shape of subtend end face 108 of circumference, end face 107 and the punch press 3 of opening 6.

At packing stage, as can seeing among Fig. 3, drift 3 passes opening 6 predefined parts, and plate 7 reduces substantially the same part simultaneously, stops at predefined height, so that drift 3 can apply compaction force on layer " S ".

After the compacting, drift 3 is extracted from opening 6, and plate 7 rises to face 107 and plane 4 coplanes.

Feed conveyor 5, another batch ceramic raw material mix powder of having packed into once more therebetween, between feeding device 105 and metal sheet 7, carry out new stroke, slide on the plane 4 with self poisoning on face 107, the product " M " that obtains by compacting before promoting by this way is to plane 4, product is removed from metal sheet 7, and product " M " can directly be sent into the roasting stage in the kiln 200 by this way, needn't further use the large tonnage pressing machine compacting.

Each product " M " that directly obtains by the compacting ceramic raw material mix powder bed of material all can carry out drying at the moisture eliminator 100 that is positioned at kiln 200 upstreams before sending into kiln 200,

And then, according to technology well known by persons skilled in the art, before roasting and just after the drying, can operate at workshop section's 300 enterprising luggages decorations and glazing by the ceramic product " M " that the compacting ceramic raw material mix powder bed of material directly obtains.

According to the method for this production ceramic product, can not use large tonnage pressing machine and obtain ceramic product " M " by compacting ceramic raw material mixture layer " S " simply; The ceramic product that obtains can have four kinds of different pore characters, and they are according to following example, pass through at 20kg/cm ²And 100kg/cm ²Between pressure under compacting ceramic raw material mixture obtain.

Example 1

In order to obtain porosity is 0.5% or lower ceramic product, the blended ceramic raw material as follows, shows with following percentage table:

Illite clay and kaolin plastic clay=45%;

Feldspar=39%;

Sand=8%;

Frit=8%.

Example 2

In order to obtain porosity between 0.6% to 2.9% ceramic product, the blended ceramic raw material as follows, show with following percentage table:

Illite clay and kaolin plastic clay=35%;

Feldspar=43%;

Sand=20%;

Frit=2%.

Example 3

In order to obtain porosity between 3% to 6.9% ceramic product, the blended ceramic raw material as follows, show with following percentage table:

Illite clay and kaolin plastic clay=40%;

Feldspar=40%;

Sand=20%.

Example 4

In order to obtain porosity between 7% to 15% ceramic product, the blended ceramic raw material as follows, show with following percentage table:

Illite clay and kaolin plastic clay=50%;

Feldspar=25%;

Sand=15%;

Lime carbonate or rhombspar or talcum=10%.

Claims

1. method of making ceramic product is characterized in that:

Preparation is in the part of at least a ceramic powder raw material of drying regime or low moisture content,

Compacting utilizes compacting step, and described part is in 20kg/cm ²To 100kg/cm ²Between pressure under, the ceramic product that obtains being compacted;

The described ceramic product that is compacted of roasting.

2. method according to claim 1, wherein, described ceramic raw material comprises the mixture of ceramic raw material.

3. method according to claim 1, wherein, described part has default size.

4. method according to claim 1 and 2, wherein, described part is prepared on supportive device.

5. according to any one described method of claim 1-3, wherein, described compacting is carried out on described supportive device.

6. according to any one described method of claim 1-4, wherein, between described compacting and described roasting, carry out the drying of described mixture.

7. method according to claim 1 and 2, wherein, the mixture of described ceramic raw material comprises:

Illite clay and/or kaolin plastic clay,

Feldspar,

Sand.

8. method according to claim 6, wherein, the product of manufacturing has and is equal to or less than 0.5% porosity, and described mixture further comprises kaolin and frit.

9. according to Claim 8 or 9 described methods, wherein, described mixture comprises;

30%-50% illite clay and/or kaolin plastic clay,

The 35%-45% feldspar,

5%-10% sand,

The 5%-20% frit.

10. method according to claim 6 wherein, is used to make the product that has between 0.6% to 2.9% porosity, and described mixture comprises:

30%-40% illite clay and/or kaolin plastic clay,

The 40%-50% feldspar,

5%-15% sand,

The 1%-3% frit.

11. method according to claim 6 wherein, be used to make the product with the porosity between 3% to 6.9%, and wherein said mixture further comprises kaolinite.

12. according to claim 6 or 10 described methods, wherein, described mixture comprises:

35%-45% illite clay and/or kaolin plastic clay,

The 35%-45% feldspar,

15%-25% sand.

13. method according to claim 6 wherein, be used to make the product with the porosity between 7% to 15%, and described mixture further comprises the raw material that is selected from lime carbonate, rhombspar, the talcum.

14. according to claim 6 or 12 described methods, wherein, described mixture comprises:

45%-55% illite clay and/or kaolin plastic clay,

The 20%-30% feldspar,

10%-20% sand,

5%-15% is selected from the raw material in lime carbonate, rhombspar, the talcum.

15. a ceramic raw material mixture comprises:

Illite clay and/or kaolin plastic clay, feldspar, sand wherein, be used to have the manufacturing of the product that is equal to or less than 0.5% porosity, and described mixture further comprise frit.

16. mixture according to claim 15, wherein, described mixture comprises:

30%-50% illite clay and/or kaolin plastic clay:

The 35%-45% feldspar,

5%-10% sand,

The 5%-20% frit.

17. a ceramic raw material mixture comprises plastic clay, feldspar, sand, wherein, be used to make the product that has between 0.6% to 2.9% porosity, and described mixture further comprises kaolinite and frit.

18. mixture according to claim 17, wherein, described mixture comprises:

30%-40% illite clay and/or kaolin plastic clay:

The 40%-50% feldspar,

5%-15% sand,

The 1%-3% frit.

19. a ceramic raw material mixture comprises plastic clay, feldspar, sand, wherein, be used to make the product that has between 3% to 6.9% porosity, and described mixture further comprises kaolinite.

20. mixture according to claim 19, wherein, described mixture comprises:

35%-45% illite clay and/or kaolin plastic clay,

The 35%-45% feldspar,

15%-25% sand.

21. a ceramic raw material mixture comprises plastic clay, feldspar, sand, wherein, be used to make the product that has between 7% to 15% porosity, and described mixture further comprises the raw material that is selected from lime carbonate, rhombspar, the talcum.

22. mixture according to claim 21, wherein, described mixture comprises:

45%-55% illite clay and/or kaolin plastic clay,

The 20%-30% feldspar,

10%-20% sand,

5%-15% lime carbonate or rhombspar or talcum.

23. a device of making ceramic product is characterized in that, comprising:

Seating surface (1),

The feeding device (105) of ceramic material powder part, it comprises at least one parts, is positioned on the described seating surface (1),

With 20kg/cm ²To 100kg/cm ²The described seating surface of pressure compacting on the compaction apparatus (3,7) of described part, the ceramic product that obtains being compacted according to pressing step.

24., wherein, the described calciner (200) that is compacted product is set in described compaction apparatus (3,7) downstream according to claim 24 or 25 described devices.

25., wherein, the described drying installation (100) that is compacted product is set between described compaction apparatus (3,7) and described calciner (200) according to claim 24 or 25 described devices.

26., wherein, between described compaction apparatus (3,7) and described calciner (200), be furnished with the described decoration device (300) that is compacted product according to any described device of claim 25-28.

27. according to any described device of claim 25-29, wherein, described compaction apparatus (3,7) comprises pressing machine.