CN101565267B - Process for preparing microcrystalline glass arc-shaped board, die and the microcrystalline glass arc-shaped board - Google Patents
Process for preparing microcrystalline glass arc-shaped board, die and the microcrystalline glass arc-shaped board Download PDFInfo
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- CN101565267B CN101565267B CN200910143074XA CN200910143074A CN101565267B CN 101565267 B CN101565267 B CN 101565267B CN 200910143074X A CN200910143074X A CN 200910143074XA CN 200910143074 A CN200910143074 A CN 200910143074A CN 101565267 B CN101565267 B CN 101565267B
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Abstract
The invention discloses a process for preparing a microcrystalline glass arc-shaped board, a die and the microcrystalline glass arc-shaped board. The process includes steps of placing a microcrystalline glass flat board on dies with different concaves according to bend shape; placing the die with the microcrystalline glass flat board in a kiln, carrying out heat treatment for the microcrystalline glass flat board to form a arc-shaped blank board; can polishing and cutting the arc-shaped blank board. The microcrystalline glass arc-shaped board produced by the process and the die provided by thepresent invention has high quality and high rate of finished products.
Description
Technical field
The present invention relates to building and ornament materials, relate in particular to a kind of technology, mould and CURVE DECORATIVE SHEET OF CERAMIC GLASS of preparing glass-ceramic arc.
Background technology
Along with the development of building decorating industry, people require to improve to finishing material, and arc begins extensive use as the finishing material of top grade.In the prior art, most of arc is to use processing units that lithotome is cut into required bracket-hairs blanket, and then the bracket-hairs blanket is carried out rubbing down processing and obtains the arc of moulding.Thereby, have in the prior art that the rubbing down amount of finish is big, the time is long, the stone material waste is serious and problem such as contaminate environment.
The decorative devitrified glass material, because the physicochemical property and the environmental protection function of its distinctive natural stone texture, brilliance, and receive people's attention day by day.But because sytull temperature distortion at high temperature brings very big difficulty for greatly the rubbing down technology of back; And technique controlling difficulty is big; Make CURVE DECORATIVE SHEET OF CERAMIC GLASS finishing material poor quality; Yield rate is lower, thereby causes the decorative devitrified glass material to be difficult to apply at building decorating industry.
Summary of the invention
Technical problem to be solved by this invention is; An object of the present invention is: the technology that a kind of preparing glass-ceramic arc is provided; In order to solve the arc poor quality that the sytull high-temperature heating is out of shape greatly, is produced in the existing production technique, the problem that yield rate is lower.
Another object of the present invention is: a kind of mould that is used for the technology of above-mentioned preparing glass-ceramic arc is provided, and the CURVE DECORATIVE SHEET OF CERAMIC GLASS radian tolerance range of producing in order to the solution existing mold is not high, reaches the problem that arc and mould are not easy demoulding.
A further object of the present invention is: a kind of CURVE DECORATIVE SHEET OF CERAMIC GLASS of processing according to the technology of above-mentioned preparing glass-ceramic arc is provided, and the rubbing down amount of finish that uses stone material or other materials to exist is big, the time long in order to solve, the serious and problem of environment pollution caused of stone material waste.
For solving the problems of the technologies described above, the present invention provides a kind of manufacture craft of CURVE DECORATIVE SHEET OF CERAMIC GLASS, comprising: the sytull flat board is placed on the mould with different concave surfaces according to the crooked shape of want;
Put into kiln with installing the dull and stereotyped said mould of said sytull; Said sytull flat board is heat-treated formation bracket-hairs blanket; Wherein, Said thermal treatment is: with the first preset rate of heating temperature in the said kiln is risen between 180 degree to 220 degree from room temperature; With 80-120 degree second rate of heating hourly temperature in the said kiln is risen between 480 degree to 520 degree then, carry out very first time insulation at interval afterwards, with 150-200 degree the 3rd rate of heating hourly temperature in the said kiln is risen between 790 degree to 850 degree then; Carry out the insulation in second timed interval afterwards, lower the temperature at last to handle temperature in the said kiln is reduced to room temperature;
Said bracket-hairs blanket is carried out rubbing down and cutting.
Among the present invention, said cooling is handled and can be comprised:
Temperature in the said kiln is spent between 580 degree by reducing to 520 between 790 degree to 850 degree fast;
Spend between 220 degree to reduce to 180 between with 30-70 degree first cooling rate hourly temperature in the said kiln being spent to 580 by 520 degree then;
At last when temperature in the said kiln 180 the degree to 220 the degree between the time, the wicket of said kiln is opened, make its temperature natural reduce to room temperature.
Among the present invention, the said very first time at interval can be between 20-40 minute.
Among the present invention, said second timed interval can be between 20-60 minute.
Among the present invention, said be placed on mould with different concave surfaces on according to the crooked shape of want the sytull flat board before, with sprinkling the high temperature powder on the said mould curved surface.
Among the present invention, said bracket-hairs blanket is carried out rubbing down comprise: said bracket-hairs blanket is carried out automatic Polishing, and the wool felt that will have a polishing powder adheres to manual polishing machine and carries out manual rubbing down.
The present invention also provides a kind of CURVE DECORATIVE SHEET OF CERAMIC GLASS of processing according to the manufacture craft of above-mentioned a kind of CURVE DECORATIVE SHEET OF CERAMIC GLASS.
The present invention also provides a kind of mould that is used for the technology of above-mentioned a kind of preparing glass-ceramic arc, and this mould has the concave surface of differently curved shape.Also can fire the demoulding material on the said mould, this demoulding material comprises wood chip, reaches at least a high temperature powder.
The present invention has following beneficial effect: according to thermal treatment provided by the present invention the sytull flat board is heated; Make sytull be heated evenly; Be not easy to burst; And owing to make the bracket-hairs blanket bake demoulding easily and between the mould spreading the high temperature powder on the mould curved surface, thus the CURVE DECORATIVE SHEET OF CERAMIC GLASS quality of processing is good, and yield rate is also than higher.
Description of drawings
The process flow sheet of the preparing glass-ceramic arc that Fig. 1 provides for the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
The technology of the preparing glass-ceramic arc that the embodiment of the invention provides is: the sytull flat board is placed on the mould with different concave surfaces; To be placed with the dull and stereotyped mould of sytull afterwards puts in the kiln; Utilize kiln high temperature to make dull and stereotyped sytull softening and crookedly process required bracket-hairs blanket, this bracket-hairs blanket is again through complete processings such as rubbing down and the cutting required CURVE DECORATIVE SHEET OF CERAMIC GLASS that is made then.
The process flow sheet of the preparing glass-ceramic arc that Fig. 1 provides for the embodiment of the invention.As shown in Figure 1, this technology comprises:
S11, the sytull flat board is placed on the mould with different concave surfaces according to the crooked shape of want;
Wherein, before placing the sytull flat board, also can sprinkle the high temperature powder on the said mould curved surface, this high temperature powder staple is an aluminum oxide, the easy and mould demoulding of the feasible like this bracket-hairs blanket of processing.
S12, will install the dull and stereotyped said mould of said sytull and put into kiln; Said sytull flat board is heat-treated formation bracket-hairs blanket; Wherein, Said thermal treatment is: with the first preset rate of heating temperature in the said kiln is risen between 180 degree to 220 degree from room temperature; With 80-120 degree second rate of heating hourly temperature in the said kiln is risen between 480 degree to 520 degree then, carry out very first time insulation at interval afterwards, with 150-200 degree the 3rd rate of heating hourly temperature in the said kiln is risen between 790 degree to 850 degree then; Carry out the insulation in second timed interval afterwards, lower the temperature at last to handle temperature in the said kiln is reduced to room temperature;
Wherein, the said first preset rate of heating is selected according to being to get final product under the conventional Heating temperature that production efficiency and sytull flat board can bear guaranteeing, those skilled in the art can be provided with according to conventional Heating temperature.Said very first time can be arranged between 20-40 minute at interval, is set to about 30 minutes like the very first time.Said second timed interval can be arranged between 20-60 minute, was set to about 40 minutes like second timed interval.Concrete timed interval is provided with and can confirm flexibly according to the process of on-the-spot high-temperature firing, can according to practical situation can be arranged in the given timed interval more arbitrarily.Said cooling is handled, and can adopt the different methods that provides with prior art, as temperature in the said kiln is spent between 580 degree by reducing to 520 between 790 degree to 850 degree fast; With 30-70 degree first cooling rate hourly temperature in the said kiln is spent between 220 degree by reducing to 180 between 520 degree to 580 degree then, per hour can be set to 50 degree like said first cooling rate; At last when temperature in the said kiln 180 the degree to 220 the degree between the time, the wicket of said kiln is opened, make its temperature natural reduce to room temperature.
S13, said bracket-hairs blanket is carried out rubbing down and cutting.
Wherein, It is the same that said bracket-hairs blanket is carried out the manufacture craft that rubbing down can prior art provides; Use polissoir only said bracket-hairs blanket to be carried out automatic Polishing; After automatic Polishing, can also the wool felt that have polishing powder be adhered to manual polishing machine in the present embodiment and carry out manual rubbing down, thereby the glossiness on the feasible arc surface that finally is made into is higher.
The technology of the preparing glass-ceramic arc that present embodiment provides makes that the sytull high-temperature heating is even, is not easy to burst, and quality is good, and yield rate is than higher.
Present embodiment also provides a kind of mould that is used for the technology of above-mentioned preparing glass-ceramic arc, and this mould is mainly formed through high-temperature firing by silit and other refractory materials such as aluminum oxide, kaolinite etc., and has the concave surface of differently curved shape.Wherein, also can fire the demoulding material on the said mould curved surface, this demoulding material is processed with wood chip and at least a high temperature powder, and wherein this high temperature powder can be high-alumina fly, refractory mortar and aluminum oxide etc.
Be example with preparing glass-ceramic circular arc plate below, whole manufacture craft flow process specified as follows:
At first be the making processes of mould, this mould is mainly formed through high-temperature firing by silit and other refractory materials such as aluminum oxide, kaolinite etc., certainly according to the shape of required arc, makes difform mould.In the process of making mould, can also be applied on the mould curved surface uniformly with processing the demoulding material by wood chip, high-alumina fly, refractory mortar and aluminum oxide etc.; Put it in the kiln then and dry; The demoulding material is fired on mould, and the mould that has the demoulding material can make the radian of the arc of producing more accurate.But the mould that obtain this moment is the roughcast tool; This roughcast tool can re-use special stainless steel arc and check; Be about to this stainless steel arc and put into this roughcast tool; Observe this stainless steel arc and whether can match,, make it to reach and fit like a glove if there is the ground of misfitting to come further finishing through the demoulding material with this roughcast tool.The last high temperature powder that on the mould curved surface that is made, sprinkles, mould just all set like this.
Then, the sytull flat board is placed on the above-mentioned ready mould.
Then; Put into kiln with installing the dull and stereotyped said mould of said sytull, said sytull flat board is heat-treated, for example; Said thermal treatment is: at first with the first preset rate of heating temperature in the said kiln is evenly risen to about 200 degree by room temperature; With the even heating speed of 100 degree about per hour temperature in the said kiln is risen to 500 degree from 200 degree then, when 500 spend, can carry out the insulation about 30 minutes, with the even heating speed of 150 to 200 degree about per hour temperature in the said kiln is risen to 820 degree from 500 degree then; When 820 spend, carry out about 20-60 minute insulation afterwards; Being provided with according to the size of the dull and stereotyped radian of sytull of its soaking time comes decision flexibly, and it is longer relatively that the general big soaking time of radian can be provided with, and it is short relatively that the soaking time that radian is little is provided with.Then with speed as soon as possible with the temperature in the said kiln near 550 degree of 820 degree; With 50 degree uniform decrease in temperature speed hourly temperature in the kiln is reduced to about 200 degree from 550 degree afterwards; When the 200 degree left and right sides, the wicket of said kiln is opened, made the temperature in the said kiln from about 200 degree, reduce to room temperature naturally.Through high-temperature firing and the temperature-fall period of this time period, sytull is dull and stereotyped can to make the dull and stereotyped surface of sytull closely contact with the concave surface of mould according in the slowly recessed mould of the shape of mould, has so just obtained sytull bracket-hairs blanket.In order to make the bracket-hairs blanket that obtains to reach accurate more radian; Reaching the stage that is incubated about 820 degree; The operator can check whether the sytull flat board closely contacts with concave surface through the kiln vision slit, can not make the dull and stereotyped and mould curved surface tight connecting of this sytull if exist through partial temperature in the adjusting kiln with the situation that concave surface closely contacts.Then, the bracket-hairs blanket that bakes is carried out rubbing down, because the bracket-hairs blanket surface that bakes speckles with a spot of high temperature powder, gloss is poor, therefore needs to use polissoir that it is carried out rubbing down.This polissoir and other potteries are similar with other stone polishing device structure, and its center is a round steel, and it is on the bearing at center that this bracket-hairs blanket is fixed on the round steel, under the drive of phonomoter, rotate, thereby contact the purpose that reaches polishing with sand paper.Through after the rubbing down of polissoir, can also the wool felt that have polishing powder be adhered to manual polishing machine and carry out manual rubbing down again, can make the glossiness of arc higher like this.
At last, good bracket-hairs blanket cuts will to pass through rubbing down, owing to when making arc, all reserved unnecessary size, therefore needs unnecessary part is removed.Vertically be placed on the good bracket-hairs blanket of rubbing down on the stone material platform of a level; Thereby the edges of boards that are attached to blank flat with the high precision try square are found out a vertical line; This vertical line can be used to cut straight flange, cuts away along the unnecessary straight flange of this vertical line bracket-hairs blanket that rubbing down is good.Because what make is sytull circular arc plate, in cutting, be not easy to fix, therefore can use steelwork to fix, use the straight flange cutting machine to move, thereby cut away than the straight flange that is easier to unnecessary along fixed track.Arc limit with the circular arc blank flat is placed on the plane then, makes its concave surface up, fixes with steelwork afterwards, uses arc limit cutting machine to cut away unnecessary arc limit along the arc limit, has so just accomplished the work of cutting.
The sytull flat board has just been processed CURVE DECORATIVE SHEET OF CERAMIC GLASS after the cooling of process high-temperature firing, rubbing down, cutting.
Obviously; The foregoing description only is the preferred embodiment of the present invention; It does not limit protection scope of the present invention, in protection scope of the present invention, and the mould that said those skilled in the art can also make various improvement and produce different shape technology of the present invention.For example; Each interior point of TR, heat-up rate scope and cooling rate scope set in the foregoing description all might be chosen; Those skilled in the art can be provided with in scope provided by the invention according to site specific fully, and these are provided with and also are regarded as protection scope of the present invention certainly.
Claims (6)
1. the technology of a preparing glass-ceramic arc is characterized in that, comprising:
The sytull flat board is placed on the mould with different concave surfaces according to the crooked shape of want;
Put into kiln with installing the dull and stereotyped said mould of said sytull; Said sytull flat board is heat-treated formation bracket-hairs blanket; Wherein, Said thermal treatment is: with the first preset rate of heating temperature in the said kiln is risen between 180 degree to 220 degree from room temperature; With 80-120 degree second rate of heating hourly temperature in the said kiln is risen between 480 degree to 520 degree then, carry out very first time insulation at interval afterwards, with 150-200 degree the 3rd rate of heating hourly temperature in the said kiln is risen between 790 degree to 850 degree then; Carry out the insulation in second timed interval afterwards, lower the temperature at last to handle temperature in the said kiln is reduced to room temperature;
Said cooling is handled and is comprised: temperature in the said kiln is spent between 580 degree by reducing to 520 between 790 degree to 850 degree fast;
Spend between 220 degree to reduce to 180 between with 30-70 degree first cooling rate hourly temperature in the said kiln being spent to 580 by 520 degree then;
At last when temperature in the said kiln 180 the degree to 220 the degree between the time, the wicket of said kiln is opened, make its temperature natural reduce to room temperature;
Said bracket-hairs blanket is carried out rubbing down and cutting.
2. the technology of a kind of preparing glass-ceramic arc according to claim 1 is characterized in that, the said very first time is spaced apart 20-40 minute.
3. the technology of a kind of preparing glass-ceramic arc according to claim 1 is characterized in that, said second timed interval is 20-60 minute.
4. the technology of a kind of preparing glass-ceramic arc according to claim 1; It is characterized in that; Said be placed on mould with different concave surfaces on according to the crooked shape of want the sytull flat board before, also comprise: with the step that sprinkles high-alumina fly, refractory mortar or aluminum oxide on the said mould curved surface.
5. the technology of a kind of preparing glass-ceramic arc according to claim 1; It is characterized in that; Said bracket-hairs blanket is carried out rubbing down to be comprised: said bracket-hairs blanket is carried out automatic Polishing, and the wool felt that will have a polishing powder adheres to manual polishing machine and carries out manual rubbing down.
6. CURVE DECORATIVE SHEET OF CERAMIC GLASS of processing according to the technology of the described a kind of preparing glass-ceramic arc of one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910143074XA CN101565267B (en) | 2009-05-27 | 2009-05-27 | Process for preparing microcrystalline glass arc-shaped board, die and the microcrystalline glass arc-shaped board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910143074XA CN101565267B (en) | 2009-05-27 | 2009-05-27 | Process for preparing microcrystalline glass arc-shaped board, die and the microcrystalline glass arc-shaped board |
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| Publication Number | Publication Date |
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| CN101565267A CN101565267A (en) | 2009-10-28 |
| CN101565267B true CN101565267B (en) | 2012-07-04 |
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| CN200910143074XA Expired - Fee Related CN101565267B (en) | 2009-05-27 | 2009-05-27 | Process for preparing microcrystalline glass arc-shaped board, die and the microcrystalline glass arc-shaped board |
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| CN109592887A (en) * | 2018-12-12 | 2019-04-09 | 惠州市彩玉微晶新材有限公司 | A kind of crystallite slabstone hot bending process and special-shaped bending furnace |
| CN113200684A (en) * | 2021-05-10 | 2021-08-03 | 广西中炀新材料科技有限公司 | Hot bending process for microcrystalline nano-plate and lava jade plate base material |
| CN114477738A (en) * | 2021-09-28 | 2022-05-13 | 新沂市铭达玻璃有限公司 | Thermal forming process for processing automobile glass |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883525A (en) * | 1988-08-05 | 1989-11-28 | Corning Incorporated | Glass-ceramic support for fusing and sagging ophthmalmic multifocal lenses |
| CN1157271A (en) * | 1996-12-23 | 1997-08-20 | 唐山市燕山产业有限公司 | Process for producing nucleated glass special-shaped decorative plates by using sintering method and special-purpose mould thereof |
| CN1919759A (en) * | 2006-10-09 | 2007-02-28 | 雷恒孚 | Manufacture method of circular arc type glass-ceramic and special die thereof |
-
2009
- 2009-05-27 CN CN200910143074XA patent/CN101565267B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883525A (en) * | 1988-08-05 | 1989-11-28 | Corning Incorporated | Glass-ceramic support for fusing and sagging ophthmalmic multifocal lenses |
| CN1157271A (en) * | 1996-12-23 | 1997-08-20 | 唐山市燕山产业有限公司 | Process for producing nucleated glass special-shaped decorative plates by using sintering method and special-purpose mould thereof |
| CN1919759A (en) * | 2006-10-09 | 2007-02-28 | 雷恒孚 | Manufacture method of circular arc type glass-ceramic and special die thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-116973A 1993.05.14 |
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