CN112851298A - Noble metal and china clay mixed firing process - Google Patents
Noble metal and china clay mixed firing process Download PDFInfo
- Publication number
- CN112851298A CN112851298A CN202110165238.XA CN202110165238A CN112851298A CN 112851298 A CN112851298 A CN 112851298A CN 202110165238 A CN202110165238 A CN 202110165238A CN 112851298 A CN112851298 A CN 112851298A
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- Prior art keywords
- noble metal
- kaolin
- face
- porcelain
- firing process
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 47
- 238000010304 firing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 239000002923 metal particle Substances 0.000 claims abstract description 4
- 238000009966 trimming Methods 0.000 claims description 38
- 239000005995 Aluminium silicate Substances 0.000 claims description 36
- 235000012211 aluminium silicate Nutrition 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 239000010970 precious metal Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 12
- 239000012459 cleaning agent Substances 0.000 claims description 9
- 235000015895 biscuits Nutrition 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009775 high-speed stirring Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 229910002114 biscuit porcelain Inorganic materials 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
- C04B33/34—Burning methods combined with glazing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/408—Noble metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a noble metal and china clay mixed firing process, which comprises the following steps of; step S1: transferring noble metal particles to a high-speed dispersion tank, adding a dispersing agent into the high-speed dispersion tank, centrifugally dewatering the dispersed noble metal powder, and drying the noble metal powder in an oven at the drying temperature of 50-85 ℃; according to the invention, the noble metal and the porcelain clay are mixed and fired, so that the noble metal can show noble metal development on the surface of the porcelain in the firing process, and the ornamental effect of the porcelain is improved; in addition, in the firing process, the firing time is reduced by adopting a bisque firing method, and the forming time of the porcelain can be shortened by glazing treatment.
Description
Technical Field
The invention relates to the technical field of porcelain clay firing, in particular to a noble metal and porcelain clay mixed firing process.
Background
The porcelain is formed by firing porcelain stone, kaolin, quartz stone, mullite and the like, and is provided with a glass glaze or a colored drawing object device on the surface, so that the porcelain has higher ornamental value; the traditional porcelain is fired by taking kaolin as a raw material, the raw material is single, and the time for firing and forming the porcelain is long; moreover, when the blank is trimmed, the trimming tool is inconvenient to operate, scraps are inconvenient to collect in the trimming process, and the cutter has poor maintenance effect, so that the sharpness of the cutter is affected, and therefore, it is necessary to design a noble metal and porcelain clay mixed firing process.
Disclosure of Invention
The invention aims to provide a noble metal and porcelain clay mixed firing process, which is characterized in that noble metal and porcelain clay are mixed and fired, so that noble metal development can be presented on the surface of porcelain in the firing process of the noble metal, and the ornamental effect of the porcelain is improved; in addition, in the firing process, the firing time is reduced by adopting a bisque firing method, and the forming time of the porcelain can be shortened by glazing treatment.
The purpose of the invention can be realized by the following technical scheme:
a noble metal and china clay mixed firing process comprises the following steps;
step S1: transferring noble metal particles to a high-speed dispersion tank, adding a dispersing agent into the high-speed dispersion tank, centrifugally dewatering the dispersed noble metal powder, and drying the noble metal powder in an oven at the drying temperature of 50-85 ℃;
step S2: performing kaolin powdering treatment, weighing kaolin clods with proper weight, stirring and crushing the kaolin clods by using a kaolin clod stirrer, transferring the kaolin clods into a crusher to perform secondary crushing treatment, and performing dry treatment on the kaolin to prepare surface-modified kaolin powder;
step S3: mixing precious metal powder and kaolin powder, putting the prepared precious metal powder and kaolin powder into a high-speed stirring mixer for mixing and stirring, uniformly mixing precious metal particles and kaolin powder, and taking out the mixed soil material as a blank making raw material;
step S4: preparing a blank, pugging the soil, mixing the coating and an aqueous solution to prepare a mud block, molding the mud block into a required shape according to requirements to prepare a blank body, and trimming the blank body by using a trimming knife and a porcelain blank trimming tool to enable the inner light of the blank body to be flat and the outer light of the blank body to be flat so as to determine the shape of the blank body;
step S5: firing in a mould, namely placing the trimmed blank body into the mould to fire so as to prevent metal from flowing and sinking, heating to 1100-1150 ℃ from room temperature, stopping fire, cooling the bisque-fired blank body to room temperature, and performing secondary trimming treatment on the cooled blank body;
step S6: selecting proper glaze, adding the glaze into the glaze slurry for mixing treatment, glazing the biscuit, melting the glaze by low-temperature spraying equipment, spraying the glaze on the surface of the biscuit to ensure that the thickness of the glaze layer on the outer surface is 0.8-1mm, and cooling to form a smooth glaze.
As a further scheme of the invention: in step S1, the cleaning of the noble-metal piece includes:
a. after a proper neutral cleaning agent is selected for dilution, the weighed noble metal block is dipped in the neutral cleaning agent through a soft brush for light brush treatment, so that impurity particles and dust on the surface of the noble metal are removed;
b. the noble metal block is washed by clean water, and after the cleaning agent on the surface of the noble metal block is washed, the noble metal block is wiped by soft cloth and then dried.
As a further scheme of the invention: in step S2, the dry processing includes: and putting the kaolin micro powder after the secondary crushing into a high-speed stirring mixer, stirring and drying at the temperature of 60-80 ℃, slowly adding the solvent in which the coupling agent is dissolved and the auxiliary agent, and stirring for 30-45min to prepare the surface modified kaolin filler.
As a further scheme of the invention: the dosage of the modifier is 1 to 5 percent of the dosage of the kaolin micro powder.
As a further scheme of the invention: in the step S4, the porcelain blank trimming tool comprises a frame, a lighting assembly, an electric rotating table, a collecting assembly, a first electric telescopic rod, a porcelain blank trimming seat, a knife storage assembly, a cleaning assembly, a second electric telescopic rod and a supporting underframe, an illuminating assembly is arranged on one side of the top end surface of the frame, an electric rotating table is fixedly arranged in the center of the top end surface of the frame, a collecting assembly is arranged above the top of the electric rotating table, a first electric telescopic rod is arranged above the top of the collecting component, one end of the top of the first electric telescopic rod is connected with a porcelain blank trimming seat, the other side of the top end surface of the frame is provided with a cutter storage component, one side of the center of the bottom end surface of the frame is provided with a cleaning component, the periphery of the bottom end face of the rack is provided with a second electric telescopic rod, and the bottom end face of the second electric telescopic rod is fixedly provided with a supporting underframe through screws;
the collecting component comprises a collecting baffle, a guide block, a disassembling disc, a guide groove, a movable grab handle and a blanking groove, wherein the collecting baffle is fixedly installed at one end of the top of the electric rotating table through a screw, a first electric telescopic rod is fixedly connected with the end face of the top of the collecting baffle through a screw, the end faces of the two sides of the collecting baffle are provided with the guide block, the disassembling disc is arranged between the guide blocks, the guide groove is formed in the two sides of the disassembling disc, the guide block is inserted and installed in the guide groove, the blanking groove is formed in the end face of the top of the disassembling disc, and the movable grab handle is fixedly installed in the center of the end face of the.
As a further scheme of the invention: the lighting assembly comprises a lamp holder, a foldable lamp bracket and a lighting lamp, the lamp holder is fixedly installed on one side of the top end face of the rack through screws, the foldable lamp bracket is installed in the center of the end face of the lamp holder in a connected mode, and the lighting lamp is installed at one end of the top of the foldable lamp bracket in a connected mode.
As a further scheme of the invention: store up the knife tackle spare including storing up knife box, sealed slot, installation baffle, sealed inserted block and protection pad, store up the knife box and pass through screw fixed mounting at the top end opposite side, the sealed slot has all been seted up to the inner wall both sides of storing up the knife box, be provided with sealed inserted block between the sealed slot, and fixed mounting has the installation baffle between two sealed inserted blocks, the inside central authorities laminating of storing up the knife box is installed the protection pad.
As a further scheme of the invention: clean subassembly includes installing support, ultrasonic cleaner, washing apron and automatically controlled board, two the installing support passes through screw fixed mounting in bottom terminal surface one side of frame, there is ultrasonic cleaner inside of installing support through screw fixed mounting, ultrasonic cleaner's terminal surface one side is provided with the washing apron, automatically controlled board is installed to ultrasonic cleaner's terminal surface opposite side.
The invention has the beneficial effects that:
1. according to the invention, the noble metal and the porcelain clay are mixed and fired, so that the noble metal can show noble metal development on the surface of the porcelain in the firing process, and the ornamental effect of the porcelain is improved; in addition, in the firing process, the firing time is reduced by adopting a bisque firing method, and the forming time of the porcelain can be shortened by glazing treatment.
2. The porcelain blank trimming tool is simple in structure and firm in support; when in use, the height of the trimming seat can be adjusted according to the size of the porcelain blank, and the operation is convenient; furthermore, the scraps generated by trimming are convenient to collect, and the convenience of cleaning is improved; simultaneously, can clean and store the cutter of repairing, have good protection effect to the cutter.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a first overall structural schematic of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is an overall front view of the present invention;
FIG. 4 is an overall rear view of the present invention;
FIG. 5 is an overall top view of the present invention;
in the figure: 1. a frame; 2. a lighting assembly; 3. an electric rotating table; 4. a collection assembly; 5. a first electric telescopic rod; 6. a porcelain blank trimming seat; 7. a knife storage assembly; 8. a cleaning assembly; 9. a second electric telescopic rod; 10. a support chassis; 21. a lamp socket; 22. a folding lamp bracket; 23. an illuminating lamp; 41. a material receiving baffle plate; 42. a guide block; 43. disassembling the disc; 44. a guide groove; 45. moving the grab handle; 46. a charging chute; 71. a knife storage box; 72. sealing the slot; 73. installing a baffle; 74. sealing the insert block; 75. a protective pad; 81. mounting a bracket; 82. an ultrasonic cleaner; 83. cleaning the cover plate; 84. an electric control board.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a noble metal and china clay mixed firing process comprises the following steps;
step S1: transferring noble metal particles to a high-speed dispersion tank, adding a dispersing agent into the high-speed dispersion tank, centrifugally dewatering the dispersed noble metal powder, and drying the noble metal powder in an oven at the drying temperature of 50-85 ℃;
wherein the cleaning of the precious metal block comprises:
a. after a proper neutral cleaning agent is selected for dilution, the weighed noble metal block is dipped in the neutral cleaning agent through a soft brush for light brush treatment, so that impurity particles and dust on the surface of the noble metal are removed;
b. washing the precious metal block with clear water, cleaning the surface of the precious metal block with a cleaning agent, wiping the precious metal block with soft cloth, and drying the precious metal block;
step S2: performing kaolin powdering treatment, weighing kaolin clods with proper weight, stirring and crushing the kaolin clods by using a kaolin clod stirrer, transferring the kaolin clods into a crusher to perform secondary crushing treatment, and performing dry treatment on the kaolin to prepare surface-modified kaolin powder;
wherein the dry processing comprises: putting the kaolin micro powder after the secondary crushing into a high-speed stirring mixer, stirring and drying at the temperature of 60-80 ℃, slowly adding a solvent in which a coupling agent is dissolved and an auxiliary agent, and stirring for 30-45min to prepare the kaolin filler with the modified surface; the dosage of the modifier is 1 to 5 percent of the dosage of the kaolin micro powder;
step S3: mixing precious metal powder and kaolin powder, putting the prepared precious metal powder and kaolin powder into a high-speed stirring mixer for mixing and stirring, uniformly mixing precious metal particles and kaolin powder, and taking out the mixed soil material as a blank making raw material;
step S4: preparing a blank, pugging the soil, mixing the coating and an aqueous solution to prepare a mud block, molding the mud block into a required shape according to requirements to prepare a blank body, and trimming the blank body by using a trimming knife and a porcelain blank trimming tool to enable the inner light of the blank body to be flat and the outer light of the blank body to be flat so as to determine the shape of the blank body;
the porcelain blank trimming tool comprises a rack 1, a lighting assembly 2, an electric rotating platform 3, a collecting assembly 4, a first electric telescopic rod 5, a porcelain blank trimming seat 6, a cutter storage assembly 7, a cleaning assembly 8, a second electric telescopic rod 9 and a supporting underframe 10, wherein the lighting assembly 2 is installed on one side of the top end face of the rack 1, the lighting assembly 2 comprises a lamp holder 21, a folding lamp holder 22 and a lighting lamp 23, the lamp holder 21 is fixedly installed on one side of the top end face of the rack 1 through screws, the folding lamp holder 22 is connected and installed in the center of the end face of the lamp holder 21, and the lighting lamp 23 is connected and installed at one end of the top of the folding; an electric rotating table 3 is fixedly installed in the center of the top end face of a rack 1, a collecting assembly 4 is arranged above the top of the electric rotating table 3, a first electric telescopic rod 5 is installed above the top of the collecting assembly 4, one end of the top of the first electric telescopic rod 5 is connected with and installed with a porcelain blank trimming seat 6, a knife storage assembly 7 is installed on the other side of the top end face of the rack 1, the knife storage assembly 7 comprises a knife storage box 71, sealing insertion grooves 72, installation baffles 73, sealing insertion blocks 74 and protection pads 75, the knife storage box 71 is fixedly installed on the other side of the top end face through screws, the sealing insertion grooves 72 are formed in two sides of the inner wall of the knife storage box 71, the sealing insertion blocks 74 are arranged between the sealing insertion grooves 72, the installation baffles 73 are fixedly installed between the two sealing insertion blocks 74, and the protection pads 75; the cleaning component 8 is mounted on one side of the center of the bottom end face of the rack 1, the cleaning component 8 comprises mounting brackets 81, ultrasonic cleaners 82, cleaning cover plates 83 and an electric control plate 84, the two mounting brackets 81 are fixedly mounted on one side of the bottom end face of the rack 1 through screws, the ultrasonic cleaners 82 are fixedly mounted inside the mounting brackets 81 through screws, the cleaning cover plates 83 are arranged on one side of the end faces of the ultrasonic cleaners 82, and the electric control plate 84 is mounted on the other side of the end faces of the ultrasonic cleaners 82; the periphery of the bottom end face of the rack 1 is provided with a second electric telescopic rod 9, and the bottom end face of the second electric telescopic rod 9 is fixedly provided with a supporting underframe 10 through screws; the collecting assembly 4 comprises a material receiving baffle 41, a guide block 42, a detaching disc 43, a guide groove 44, a movable grab handle 45 and a blanking groove 46, the material receiving baffle 41 is fixedly installed at one end of the top of the electric rotating platform 3 through screws, the first electric telescopic rod 5 is fixedly connected with the end surface of the top of the material receiving baffle 41 through screws, the guide blocks 42 are arranged on the end surfaces of two sides of the material receiving baffle 41, the detaching disc 43 is arranged between the guide blocks 42, the guide grooves 44 are formed in two sides of the detaching disc 43, the guide blocks 42 are installed in the guide grooves 44 in an inserted mode, the blanking groove 46 is formed in the end surface of the top of the detaching disc 43, and the movable grab handle 45 is fixedly installed in the center;
the height of the frame 1 can be adjusted through the second electric telescopic rod 9 and the supporting underframe 10, so that the use by an operator is facilitated; after the blank body to be trimmed is placed at the top of the porcelain blank trimming seat 6, the lighting assembly 2 is used for lighting, and the folding lamp holder 22 at the top of the lamp holder 21 is bent, so that the lighting lamp 23 at one side of the folding lamp holder 22 can be used for lighting and supplementing light; when the electric rotating platform 3 works, the collecting assembly 4 and the first electric telescopic rod 5 can be driven to rotate, so that the angle of the blank body at the top of the porcelain blank trimming seat 6 is changed, an operator trims the blank body by using a trimming knife, and the height of the porcelain blank trimming seat 6 is adjusted by the first electric telescopic rod 5 in the trimming process, so that the height of the blank body can be conveniently trimmed by the operator; the scraps generated by trimming the blank body fall into the end face of the material receiving baffle plate 41 and the interior of the blanking groove 46 of the detaching disc 43, and after trimming is finished, the trimming knife is cleaned by the cleaning assembly 8, and then the knife is stored by the knife storage assembly 7; and the debris is cleaned by the collection assembly 4; after a cleaning cover plate 83 on one side of the ultrasonic cleaner 82 is opened, the trimming knife is placed in the ultrasonic cleaner 82 on the top of the mounting support 81, the ultrasonic cleaner 82 is enabled to work through an electric control plate 84, so that the trimming knife can be cleaned, after the cleaned trimming knife is taken out from the ultrasonic cleaner 82, the mounting baffle plate 73 is pushed, the sealing insert block 74 is enabled to slide in the sealing slot 72, the mounting baffle plate 73 is moved, the cutting knife is placed on a protective pad 75 in the knife storage box 71, and the mounting baffle plate 73 is shifted to reset until the mounting baffle plate 73 slides to seal the knife storage box 71; after the chips on the end surface of the material receiving baffle 41 are cleaned inside the material receiving groove 46, the dismounting disc 43 is pulled through the movable grab handle 45 on the outer side of the dismounting disc 43, so that the guide block 42 and the guide groove 44 slide, the dismounting disc 43 is drawn out from the material receiving baffle 41, the chips inside the material receiving groove 46 are convenient to dump, and then the guide block 42 and the guide groove 44 are installed in a matched mode, so that the dismounting disc 43 is reset and installed inside the material receiving baffle 41, and subsequent use is convenient;
step S5: firing in a mould, namely placing the trimmed blank body into the mould to fire so as to prevent metal from flowing and sinking, heating to 1100-1150 ℃ from room temperature, stopping fire, cooling the bisque-fired blank body to room temperature, and performing secondary trimming treatment on the cooled blank body;
step S6: selecting proper glaze, adding the glaze into the glaze slurry for mixing treatment, glazing the biscuit, melting the glaze by low-temperature spraying equipment, spraying the glaze on the surface of the biscuit to ensure that the thickness of the glaze layer on the outer surface is 0.8-1mm, and cooling to form a smooth glaze.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A mixed firing process of noble metal and china clay is characterized by comprising the following steps;
step S1: transferring noble metal particles to a high-speed dispersion tank, adding a dispersing agent into the high-speed dispersion tank, centrifugally dewatering the dispersed noble metal powder, and drying the noble metal powder in an oven at the drying temperature of 50-85 ℃;
step S2: performing kaolin powdering treatment, weighing kaolin clods with proper weight, stirring and crushing the kaolin clods by using a kaolin clod stirrer, transferring the kaolin clods into a crusher to perform secondary crushing treatment, and performing dry treatment on the kaolin to prepare surface-modified kaolin powder;
step S3: mixing precious metal powder and kaolin powder, putting the prepared precious metal powder and kaolin powder into a high-speed stirring mixer for mixing and stirring, uniformly mixing precious metal particles and kaolin powder, and taking out the mixed soil material as a blank making raw material;
step S4: preparing a blank, pugging the soil, mixing the coating and an aqueous solution to prepare a mud block, molding the mud block into a required shape according to requirements to prepare a blank body, and trimming the blank body by using a trimming knife and a porcelain blank trimming tool to enable the inner light of the blank body to be flat and the outer light of the blank body to be flat so as to determine the shape of the blank body;
step S5: firing in a mould, namely placing the trimmed blank body into the mould to fire so as to prevent metal from flowing and sinking, heating to 1100-1150 ℃ from room temperature, stopping fire, cooling the bisque-fired blank body to room temperature, and performing secondary trimming treatment on the cooled blank body;
step S6: selecting proper glaze, adding the glaze into the glaze slurry for mixing treatment, glazing the biscuit, melting the glaze by low-temperature spraying equipment, spraying the glaze on the surface of the biscuit to ensure that the thickness of the glaze layer on the outer surface is 0.8-1mm, and cooling to form a smooth glaze.
2. The mixed precious metal and china clay firing process according to claim 1, wherein the step S1 of cleaning the precious metal blocks includes:
a. after a proper neutral cleaning agent is selected for dilution, the weighed noble metal block is dipped in the neutral cleaning agent through a soft brush for light brush treatment, so that impurity particles and dust on the surface of the noble metal are removed;
b. the noble metal block is washed by clean water, and after the cleaning agent on the surface of the noble metal block is washed, the noble metal block is wiped by soft cloth and then dried.
3. The mixed firing process of noble metal and china clay according to claim 1, wherein in the step S2, the dry process includes: and putting the kaolin micro powder after the secondary crushing into a high-speed stirring mixer, stirring and drying at the temperature of 60-80 ℃, slowly adding the solvent in which the coupling agent is dissolved and the auxiliary agent, and stirring for 30-45min to prepare the surface modified kaolin filler.
4. The mixing and firing process of the precious metal and the china clay according to claim 3, wherein the amount of the modifier is 1% -5% of the amount of the kaolin micropowder.
5. The mixed firing process of the noble metal and the porcelain clay as claimed in claim 1, wherein in step S4, the porcelain blank trimming tool comprises a rack (1), a lighting assembly (2), an electric rotating table (3), a collecting assembly (4), a first electric telescopic rod (5), a porcelain blank trimming seat (6), a knife storage assembly (7), a cleaning assembly (8), a second electric telescopic rod (9) and a supporting chassis (10), wherein the lighting assembly (2) is installed on one side of the top end face of the rack (1), the electric rotating table (3) is fixedly installed in the center of the top end face of the rack (1), the collecting assembly (4) is arranged above the top of the electric rotating table (3), the first electric telescopic rod (5) is installed above the top of the collecting assembly (4), one end of the top of the first electric telescopic rod (5) is connected with the porcelain blank trimming seat (6), a cutter storage assembly (7) is mounted on the other side of the top end face of the rack (1), a cleaning assembly (8) is mounted on one side of the center of the bottom end face of the rack (1), second electric telescopic rods (9) are mounted on the periphery of the bottom end face of the rack (1), and a supporting bottom frame (10) is fixedly mounted on the bottom end face of each second electric telescopic rod (9) through screws;
the collecting component (4) comprises a material receiving baffle (41), a guide block (42), a detaching disc (43), a guide groove (44), a movable grab handle (45) and a charging chute (46), the material receiving baffle (41) is fixedly arranged at one end of the top of the electric rotating platform (3) through a screw, and the first electric telescopic rod (5) is fixedly connected with the top end surface of the material receiving baffle plate (41) through a screw, the end surfaces of the two sides of the material receiving baffle (41) are provided with guide blocks (42), and a disassembling disc (43) is arranged between the guide blocks (42), guide grooves (44) are arranged on both sides of the disassembling disc (43), the guide block (42) is inserted and installed inside the guide groove (44), the top end surface of the detaching disc (43) is provided with a charging chute (46), the center of the end surface of the outer wall of the disassembling disc (43) is fixedly provided with a movable grab handle (45).
6. The mixed firing process of the noble metal and the porcelain clay as claimed in claim 5, wherein the lighting assembly (2) comprises a lamp holder (21), a folding lamp holder (22) and a lighting lamp (23), the lamp holder (21) is fixedly installed on one side of the top end face of the rack (1) through a screw, the folding lamp holder (22) is installed in the center of the end face of the lamp holder (21), and the lighting lamp (23) is installed at one end of the top of the folding lamp holder (22).
7. The mixed firing process of noble metal and china clay according to claim 5, wherein the cutter storage assembly (7) comprises a cutter storage box (71), sealing slots (72), mounting baffles (73), sealing inserts (74) and a protection pad (75), the cutter storage box (71) is fixedly mounted on the other side of the top end face through screws, the sealing slots (72) are respectively formed in two sides of the inner wall of the cutter storage box (71), the sealing inserts (74) are arranged between the sealing slots (72), the mounting baffles (73) are fixedly mounted between the two sealing inserts (74), and the protection pad (75) is mounted in the center of the interior of the cutter storage box (71).
8. The mixed firing process of the precious metal and the porcelain clay as claimed in claim 5, wherein the cleaning assembly (8) comprises mounting brackets (81), an ultrasonic cleaner (82), a cleaning cover plate (83) and an electric control plate (84), the two mounting brackets (81) are fixedly mounted on one side of the end face of the bottom of the rack (1) through screws, the ultrasonic cleaner (82) is fixedly mounted inside the mounting brackets (81) through screws, the cleaning cover plate (83) is arranged on one side of the end face of the ultrasonic cleaner (82), and the electric control plate (84) is mounted on the other side of the end face of the ultrasonic cleaner (82).
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| CN202110165238.XA CN112851298A (en) | 2021-02-06 | 2021-02-06 | Noble metal and china clay mixed firing process |
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| CN202110165238.XA CN112851298A (en) | 2021-02-06 | 2021-02-06 | Noble metal and china clay mixed firing process |
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| JP2002060286A (en) * | 2000-08-18 | 2002-02-26 | Takahiro Kondo | Method of decorating pottery with noble metal |
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Application publication date: 20210528 |