Summary of the invention
Under the guiding of the imitating natural stone texture polished brick in porcelain character product development trend of " coming from stone material; be better than stone material ", in order to reproduce the distinctive microgroove arteries and veins reason and the irregular curve striped that enrich color of being mingled with of lithotome on polished brick in porcelain character, those skilled in the art realize by the forming process of simulation lithotome " successively, progressively " conventionally.And those skilled in the art generally believe, the static distributing mode that adopts delayed startup is the optimal path of simulation lithotome forming process.On the one hand, the static distributing mode of delayed startup can obtain to artificial control the particle shape or the linear texture that need, and to copy easily natural stone texture, on the other hand, this technology is comparatively ripe, is easy to control operation.But because the forming process of lithotome is very long and complicated, the artificial cutter trade of polished brick in porcelain character that the static distributing mode of aforementioned delayed startup makes is obvious, pattern texture is more stiff, natural not.The object of the invention is to overcome the deficiencies in the prior art, adopt innovatively dynamic cloth mode, a kind of production method of imitating natural stone texture polished brick in porcelain character of better effects if is provided.
Owing to being subject to the restriction of traditional distributing technique and simulation lithotome forming process thought, those skilled in the art are difficult to expect adopting the dynamic cloth mode and the device that start to produce polished brick in porcelain character simultaneously, also have no relevant report.The present invention breaks through the routine techniques of simulation lithotome forming process, creatively adopts dynamic cloth mode to carry out the imitation of natural stone texture, obtains beyond thought effect; Meanwhile, in conjunction with inclination belt, powder is produced to gravity impact and this novelty design of sliding, to reach the object of imitation natural stone texture true to nature.
For achieving the above object, the technical solution used in the present invention is such: a kind of production method of imitating natural stone texture polished brick in porcelain character comprises burden distributing procedure, it is characterized in that: the first apparatus for distributing is pressed into the micro mist fabric of different colours and formula the bed of material of a little dense state in advance, through cutting knife segmentation, after grid is sieved into the shallow bid bed of material, freely falling body, to inclination belt, forms irregular hills shape stockpile again; After the second apparatus for distributing is crossed reciprocating sieve by powder simultaneously, freely falling body is on the shape stockpile of hills or in its space, optionally, use the 3rd apparatus for distributing, the 3rd apparatus for distributing by multiple different colours and formula powder in advance cloth in hopper, in hopper, after preliminary mixing, by driving belt, mixed powder is transported on inclination belt.A nonrestrictive typical embodiment is as described below, first, second and the 3rd powder that apparatus for distributing descends after the push effect of carved leather belt and inclination belt under to main belt, wherein first and the 3rd powder that apparatus for distributing descends through extruding after form irregular bulk and particle shape, difference is that the 3rd powder that apparatus for distributing descends is because being pre-mixed, the block powder forming can form the beautiful matter effect that transparent region appears gorgeous colored particle in one's mind, the second powder amount that apparatus for distributing descends is less, after reciprocating sieve, form thin layer powder, after the slip of gravity and the extruding double action of carved leather belt, form desultory bending lines, after inclination belt upper set first, second, and third apparatus for distributing powder, powder is sent on main belt.The 4th apparatus for distributing utilizes two horizontal driving belt speed differences that multiple powder is successively piled to the stockpile that adds formation and pulls into fine grained chippings shape, then freely falling body is to main belt, forms design of scattered small flowers and plants effect; Last micro mist layer is fixed by grid, sends into press die cavity, then fills into original washing powder, compressing, dry, burn till, and edging, polishing, makes imitating natural stone texture polished brick in porcelain character finished product.
As further technical scheme, described micro mist fabric is three grades of formulas, and one-level formula is that (be made as X, different transparent material formulations can be made as X to transparent material formulation
1, X
2, X
3) and high temperature material formula (be made as Y, different high temperature material formulas can be made as Y
1, Y
2, Y
3).Secondary formula is transparent material toner formula and high temperature toner formula, wherein transparent material toner formula is " transparent material+colorant ", colorant is one or more in the color colorant such as red, yellow, blue, green, white, every kind of colorant adding proportion scope is 0 ~ 4%, different transparent material and different proportion variety classes colorant are arranged in pairs or groups at random, and (different transparent material toners are made as t to form different transparent material toner formulas
i, i=1,2,3 ...); High temperature material toner formula is " high temperature material+colorant ", colorant is one or more in the color colorant such as red, yellow, blue, green, white, every kind of colorant adding proportion scope is 0 ~ 4%, different high temperature material and different proportion variety classes colorant are arranged in pairs or groups at random, and (different high temperature material toners are made as h to form different high temperature material toner formulas
i, i=1,2,3 ...).Three grades of formulas are transparent micro mist formula and high temperature micro mist formula, and transparent micro mist formula is T
m, T
m=α t
i+ β t
j, wherein m=1,2,3 ..., i=1,2,3 ..., j=1,2,3 ..., i ≠ j, α and β are respectively transparent material toner t
iand t
jproportioning, 0≤α≤1,0≤β≤1, and alpha+beta=1, the transparent material toner of different colours is mixed to get different transparent micro mist fabrics in varing proportions; High temperature micro mist fabric is H
n, H
n=γ h
i+ δ h
j, wherein n=1,2,3 ..., i=1,2,3 ..., j=1,2,3 ..., i ≠ j, γ and δ are respectively high temperature material toner h
iand h
jproportioning, 0≤γ≤1,0≤δ≤1, and γ+δ=1, the high temperature material toner of different colours is mixed to get different high temperature micro mist fabrics in varing proportions.By micro mist formula debugging complicated and changeable, can obtain bright and colourful stone texture effect, particularly can obtain the lines texture of color gradient.
As further technical scheme, the static cloth that the present invention is different from the past, do not need to wait for that powder being transported to follow-up apparatus for distributing place after preferential apparatus for distributing cloth carries out delayed startup again, but whole cloth process is dynamic cloth, this polished brick in porcelain character that just prepared by the present invention more approaches main cause and the means of natural stone texture.First, second and third starts the present invention with four apparatus for distributing simultaneously, this dynamic cloth mode makes powder that each apparatus for distributing descends have the lower powder position of continuous variation, the cloth randomness of micro mist is performed to maximum, thereby make the prepared polished brick in porcelain character texture of the present invention more random, natural, there is no artificial cutter trade.Meanwhile, adopt dynamic cloth can save delay control system, simplify truck operation and control operation, reduce to a certain extent bust rate, the rate of reducing the number of rejects and seconds.In addition, each apparatus for distributing starts simultaneously can shorten total elapsed time, further improves blank forming efficiency.
As further technical scheme, the first apparatus for distributing adopt powder successively pile the mode that adds by under multiple color and formula powder to the first horizontal driving belt, then after the precompressed of precompressed roller, cutting knife segmentation through horizontal net diagrid freely falling body to inclination belt.Owing to being provided with cutting knife after precompressed roller, and grid sieve is set at powder blanking place, the cooperation of cutting knife and grid sieve can make the bed of material not because the adhesion entirety of precompressed falls, but be divided into the blanking of the shallow bid bed of material, on inclination belt, form the hills shape stockpile of irregular distribution, finally on brick face, form bulk, the particle shape region in imitating natural stone texture.
As further technical scheme, the second apparatus for distributing adopts the powder of color gradient, by cloth after inclination reciprocating sieve to inclination belt, recycling carved leather belt is squeezed into lines, reciprocating sieve and main belt are at the angle ω of vertical direction, and as shown in Figure 1, the present invention adopts 40 °≤ω≤50 °.Due to vibrations, sieve and can play preliminary immixture, make powder that color is different have a little fusion, make the lines that form have the effect of color gradient, a little fusion of powder makes the color transition between lines more natural, not lofty.
As further technical scheme, the 3rd apparatus for distributing by the high temperature micro mist fabric of multiple different colours and transparent micro mist fabric in advance cloth in hopper, in hopper, after preliminary mixing, by the second horizontal driving belt, mixed powder is transported on inclination belt, it is more abundant that the immixture of hopper merges high temperature micro mist fabric and transparent micro mist fabric, finally produces the beautiful matter effect that transparent region appears gorgeous colored particle in one's mind.
As further technical scheme, carrying first, two, the belt of three powders that apparatus for distributing descends adopts inclination belt, be that belt is arranged to main belt at vertical direction θ in a certain angle, as shown in Figure 1, the present invention adopts 40 °≤θ≤50 °, this set can allow first and the 3rd powder that apparatus for distributing descends under Action of Gravity Field, have a downward impact and slip effect, the second apparatus for distributing under thin layer powder because of in first and the 3rd apparatus for distributing descend on powder or in its gap, and be subject to this impact and slip effect, recycling same tilt and the carved leather belt parallel with aforementioned inclination belt on protruding carving leather strap push, because carving leather strap distributes irregular, can make the second thin layer powder that apparatus for distributing descends be squeezed, form intermittent irregular lines distribution effect, carved leather belt and approximately 10 ~ 12mm of inclination belt gap, carving leather strap and approximately 2 ~ 3mm of inclination belt gap, by controlling speed and the angle of inclination of inclination belt, can control the thickness of lines.
As further technical scheme, the 4th apparatus for distributing adopt powder successively pile the mode that adds by multiple color and formula powder by under blanking roller to slower the 3rd horizontal driving belt of transmission speed, belt is transported to below transmission speed faster on the 4th horizontal driving belt by thin layer bisque thus again, utilize two driving belt speed differences and Action of Gravity Field that multiple powder is successively piled to the stockpile that adds formation and pull into fine grained chippings shape, finally by the 4th horizontal driving belt of speed, little powder agglomates is transported on the main belt in below, utilize Action of Gravity Field the most at last starch piece pound into design of scattered small flowers and plants shape, fill up the powder gap on main belt simultaneously.
As further technical scheme, the transmission direction of each apparatus for distributing and main belt forms certain angle φ, as shown in Figure 2, angular range is 0o < φ≤30o, can form the oblique line bar forming an angle with main belt direction of advance shape, the multidirectional distribution of lines makes texture more natural, presses close to natural stone texture effect.And the lines that traditional apparatus for distributing arrangement cloth parallel with main belt transmission direction forms are perpendicular to main belt direction of advance substantially, overall texture shows slightly stiff.
The beneficial effect that the present invention adopts technique scheme to reach is as follows: the present invention changes the static distributing mode of delayed startup in the past innovatively, the dynamic cloth mode that adopts multiple apparatus for distributing simultaneously to start, make the distribution of particle and lines have more randomness, color pattern more enriches changeable.Adopted innovatively coordinating of inclination belt and carved leather belt, belt is tilted to make the formation of lines no longer stick to the extruding of micro mist in plane fixed position, but combine the slip of gravity and this double action of the extruding of carved leather belt, make the distribution of lines there is bending, desultory artistic effect, by controlling angle of inclination and the speed of service of inclination belt, can also control thickness and the degree of crook of lines.By the control of micro mist color and preliminary mixing blanking, make partial fusion between shades of colour lines, entirety presents the artistic effect of color gradient.The cooperation of employing high temperature micro mist fabric and transparent micro mist fabric in advance batch mixing, make particle performance have more beautiful texture.The collocation of the random distribution of particle and lines, the changeable and color of form makes imitating natural stone texture polished brick in porcelain character prepared by the present invention have stone texture more true to nature, train of thought nature, levels are rich, beautiful texture is strong, change in pattern is proper, more presses close to aesthetic feeling and the intension of lithotome.
The specific embodiment
As shown in Figure 1, the production method concrete operation step of imitating natural stone texture polished brick in porcelain character of the present invention is as follows:
First, second, third and the included angle that forms of the transmission direction of the 4th apparatus for distributing and main belt be 15 °.
In the first apparatus for distributing in A1 hopper under the faint yellow micro mist fabric of high temperature to the first horizontal driving belt, form certain thickness bisque, during through A2 blanking roller, the brown micro mist fabric of high temperature in A2 by under roller control to the faint yellow micro mist precoat of high temperature, A3 and A4 and A2 are similar subsequently, the high temperature white micro mist fabric of A3 is by the control of blanking roller, cloth is to the brown micro mist fabric of high temperature, glassy yelloe micro mist fabric in A4 cloth to high temperature white micro mist fabric, be that A1 to A4 successively piles and adds cloth successively, through pony press cylinder, form the closely knit slightly bed of material again, by cutting knife, be divided into the multistage bed of material subsequently, freely falling body is to horizontal net diagrid, further forming the shallow bid bed of material drops on inclination belt again, form irregular hills shape stockpile.
The second apparatus for distributing and the first apparatus for distributing start simultaneously, the high temperature white micro mist fabric of the high-temperature red micro mist fabric of B1, the faint yellow micro mist fabric of high temperature of B2, B3 and the high temperature pale red micro mist fabric of B4 are by the control of blanking roller, expect down the mixing of sieving on reciprocating sieve, the angle ω of reciprocating sieve and main belt in the vertical direction is 45 ° simultaneously.Because discharge quantity is less, with the formal freedom falling bodies of thin powder to the shape stockpile of hills or in its space.
The 3rd apparatus for distributing also starts simultaneously, the glassy yelloe micro mist fabric of the transparent whites micro mist fabric of C1, the high temperature of C2 white micro mist fabric and C3 is expected in hopper down simultaneously, in hopper, carry out preliminary mixing, again, to the second horizontal driving belt, by the second horizontal driving belt, be transported on inclination belt.It is 50 ° that inclination belt and main belt form angle theta at vertical direction.
First, second, and third powder that apparatus for distributing descends, pushing of process carved leather belt and inclination belt together, the about 10mm in gap of carved leather belt and inclination belt, carving leather strap and the about 2mm in inclination belt gap.First and the 3rd powder that apparatus for distributing descends more, after extruding, be irregular bulk, particle shape, its difference is that the 3rd powder that apparatus for distributing descends is because being pre-mixed, the block powder forming can form the beautiful matter effect that transparent region appears gorgeous colored particle in one's mind, the second powder amount that apparatus for distributing descends is less, after reciprocating sieve, form thin layer powder, after extruding, form bending lines.After inclination belt upper set first, second, and third apparatus for distributing powder, powder is sent on main belt.
The 4th apparatus for distributing and first, second and third apparatus for distributing start simultaneously, the glassy yelloe micro mist fabric of D3 is first by the control of blanking roller, under to the 3rd horizontal driving belt, when the 3rd horizontal driving belt runs to D2 blanking position, the light yellow micro mist fabric of high temperature of D2 is by the control of blanking roller, under to glassy yelloe micro mist fabric, when the 3rd horizontal driving belt continues to run until D1 blanking position, the high temperature white micro mist fabric of D1 is by the control of blanking roller, under to the light yellow micro mist fabric of high temperature, powder adopts successively piles add mode blanking.Bisque is by the 3rd horizontal driving belt conveying the horizontal driving belt of freely falling body to the four, because the 4th horizontal driving belt speed of service is higher than the 3rd horizontal driving belt, make bisque on the 4th horizontal driving belt, be not with lamination powder distribute powder ball form but with D1, the starch heap form that D2 and D3 powder are in staggered distribution exists, by the 4th horizontal driving belt, be transported on main belt again, drop on the belt institute cloth powder that tilts before or in its gap, starch is piled because the cause of gravity forms material smashing, on main belt powder, present design of scattered small flowers and plants shape.Last micro mist layer is fixed by grid, sends into press die cavity, then fills into original washing powder, compressing, dry, burn till, and edging, polishing, makes imitating natural stone texture polished brick in porcelain character finished product.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that.Still can modify or part technical characterictic is equal to replacement the specific embodiment of invention, and not depart from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.