CN107512866A - A kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring - Google Patents
A kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring Download PDFInfo
- Publication number
- CN107512866A CN107512866A CN201710671367.XA CN201710671367A CN107512866A CN 107512866 A CN107512866 A CN 107512866A CN 201710671367 A CN201710671367 A CN 201710671367A CN 107512866 A CN107512866 A CN 107512866A
- Authority
- CN
- China
- Prior art keywords
- aluminium oxide
- plate
- oxide ceramics
- finishing ring
- liner disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000003999 initiator Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000007569 slipcasting Methods 0.000 claims abstract description 5
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 22
- 239000002270 dispersing agent Substances 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 18
- 239000000178 monomer Substances 0.000 claims description 16
- 239000003431 cross linking reagent Substances 0.000 claims description 15
- 238000004512 die casting Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical group CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- -1 methylene bisacrylamide acid amide Chemical class 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 3
- 235000019394 potassium persulphate Nutrition 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
- B28B17/026—Conditioning ceramic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping
- B28B5/06—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping in moulds on a turntable
- B28B5/08—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on conveyors irrespective of the manner of shaping in moulds on a turntable intermittently rotated
Abstract
The invention discloses a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring, comprise the following steps：1) premixed liquid is prepared first；2) and then into premixed liquid add ceramic powder and carry out ball milling, form suspended substance slurry；3) after suspended substance slurry is stable, initiator and catalyst are separately added into, defrother is added after unloading mill, stirs；4) then by extrusion forming device by the slip casting after processing into mould；5) after base substrate reaches demoulding strength, base substrate is taken out after the base substrate immersion of abjection is cooled into room temperature, is ground with the sand paper that granularity is 600, form aluminium oxide ceramics liner disk finishing ring.This invention simplifies the process for making of aluminium oxide ceramics liner disk finishing ring, change the mode being machined under traditional high intensity, production line balance can be realized, reduces the manufacturing cost of aluminium oxide ceramics liner disk finishing ring, while improves the quality and performance of aluminium oxide ceramics liner disk finishing ring.
Description
Technical field
The present invention relates to a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring.
Background technology
Alumina ceramic material is using relatively broad, and its key technology produced is the shaping of high quality base substrate.At present
Domestic and international industrial production is prepared using the methods of rolling embrane method, hot die-casting method and organic slurry the tape casting mostly, generally existing equipment
The problem of investment is big, cost of material is high and environmental pollution is big.
The content of the invention
Present invention aims at provide a kind of gel forming ultra-high purity for the deficiency present in prior art to aoxidize
The technical scheme of the preparation method of aluminium ceramics liner disk finishing ring, this process simplify the manufacture work of aluminium oxide ceramics liner disk finishing ring
Skill process, the mode being machined under traditional high intensity is changed, production line balance can be realized, reduce aluminium oxide ceramics lining
Disk repairs the manufacturing cost of ring, while improves the quality and performance of aluminium oxide ceramics liner disk finishing ring.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring, it is characterised in that including following
Step：
1) abrasive body is put into grinding pot first, a certain amount of water, dispersant and crosslinking agent is measured according to formula, wherein
The mass ratio of water, dispersant and crosslinking agent is 5:0.8:0.2, organic monomer, dispersant and crosslinking agent are weighed, is matched somebody with somebody in grinding pot
Premixed liquid is made, and pH value is adjusted between 8.0~9.5 with ammoniacal liquor and hydrochloric acid；
2) load weighted ceramic powder and then into premixed liquid is added, after addition, covers tank body, planetary mills is installed and carries out ball
Mill, Ball-milling Time is 40~50min, forms suspended substance slurry；
3) after suspended substance slurry is stable, initiator and catalyst is separately added into, respective 15~20min of ball milling, makes its equal
It is even to scatter, mill is unloaded after 10min, defrother is added, stirs；
4) then by extrusion forming device by the slip casting after processing into mould, control temperature at 65~80 DEG C,
Polymerization forming is carried out, mould is fixed on rotating mechanism, after extrusion molding dies casting complete, rotated by rotating mechanism
15 °~30 °, mould is set to enter demoulding station, and next mould enters cast station, realizes that the demoulding is carried out simultaneously with cast；
5) after base substrate reaches demoulding strength, the base substrate of abjection is immersed in 10~20min in water, taken after being cooled to room temperature
Go out base substrate, ground with the sand paper that granularity is 600, form aluminium oxide ceramics liner disk finishing ring.
Further, the mass fraction that the organic monomer in step 1) accounts for ceramic powder is 4.2~4.8%, and dispersant accounts for pottery
The 0.43~0.50% of porcelain powder, crosslinking agent are the 5.1~5.5% of organic monomer.
Further, the dispersant in step 1) is Sodium Polyacrylate, and crosslinking agent is methylene bisacrylamide acid amide, polyacrylic acid
One kind in ester, epoxy resin, organic monomer are acrylamide, and system viscosity reduces with the increase of dispersant addition,
Increase with the addition of dispersant, particle surface progressivelyes reach saturation to the adsorbance of polyelectrolyte, and electrostatic steric hindrance mechanism makes
Repulsive energy improves between particle, reaches the dispersiveness become better and better and suspension stability, when dispersion dosage is less than solid concentration
During 0.4wt%, viscosity significantly reduces with the increase of dispersant addition.
Further, the initiator in step 3) is one kind in ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate, and catalyst is
Tetramethylethylenediamine, with the increase of initiator, velocity of initiation is accelerated, and the time of polymerisation shortens, and it is to be formed just that it, which is acted on,
Level free radical, promotes monomer molecule to form monomer radical, initiated polymerization, when initiator amount is larger, in slurry
The primary group of free radicals concentration selected is larger, and trigger rate is larger, and obtained blank strength is relatively low, be in granular form during destruction it is broken,
If initiator amount is too small, the polymerisation of slurry can carry out relatively slow, reduction shaping efficiency, after catalyst, material
Slurry can complete polymerisation in a short time, and when catalyst amount is more, then setting time is too fast, is also unfavorable for slurry and pours
The operation of the intermediate link such as note and stirring.
Further, the extrusion forming device in step 4) includes extrusion body, column and mould emptier, the bottom of column
End is fixedly connected with bottom plate, and suspension plate is provided with the side of column, guide rail is provided with the side of suspension plate, is slided on guide rail
Elevator is connected with, extrusion body is fixedly connected on elevator, is connected in the side wall of suspension plate by banking stop spacing
Mechanism, L-shaped support frame is provided with suspension plate, L-shaped support frame is located at the lower section of lifter plate, and L-shaped support frame is connected by location-plate
Mould emptier is connect, extrusion body can be moved up and down along guide rail in the presence of elevator, is easy to single lead screw ex truding briquetting machine
The height and position of structure is adjusted, and is met to carry out manufacture processing to the aluminium oxide ceramics liner disk finishing ring of different sizes, is limited
Position mechanism can be positioned banking stop, prevent elevator to be moved during moving up and down, and then influence cast
Model after shaping can be ejected, be easy to take by precision, mould emptier.
Further, extrusion body includes the first supporting plate, the second supporting plate, sleeve, connection tube and die casting head, and first
Supporting plate is located at the top of the second supporting plate, and is fixedly connected with lifter plate, and the top of the first supporting plate passes through feed pipe
The outside material storing box of connection, is provided with balance plate, balance plate is connected to by locating rod between the first supporting plate and the second supporting plate
In second supporting plate, connection tube is provided between balance plate and the first supporting plate, sleeve is fixedly connected on the bottom of the second supporting plate
On face, sleeve connects with connection tube, and the bottom of sleeve is provided with die casting head, passes through setting for the first supporting plate and the second supporting plate
Meter, can improve the overall bonding strength of extrusion body and stability, balance plate and locating rod can make sleeve and linking
Pipe is kept straight down, the cast precision of raising die casting head, and feed pipe is defeated by connection tube and sleeve by the slurry in material storing box
Die casting head is delivered to, simplifies the manufacturing process of aluminium oxide ceramics liner disk finishing ring.
Further, position-limit mechanism includes limiting plate, and the both sides up and down of limiting plate are fixedly connected on suspension by mounting blocks
On plate, stopper slot is provided with limiting plate, banking stop mobile link is provided with trip bolt in stopper slot on limiting plate, limit
Position plate can be spacing to banking stop progress, prevents lifter plate from being shaken during moving up and down, trip bolt improves liter
The stability of plate connection drops.
Further, mould emptier includes hydraulic cylinder, piston rod and is stripped head, and hydraulic cylinder is fixedly connected on the bottom surface of location-plate
On, piston rod mobile link connects L-shaped connecting tube in the lower section of hydraulic cylinder, piston rod by fixing pipe, and fixing pipe is connected with L-shaped
The first telescoping tube is provided between pipe, demoulding head is located at the top of L-shaped connecting tube, and L-shaped connecting tube is connected by the second telescoping tube
Head is stripped, drives piston rod to move up and down by hydraulic cylinder, and then drives demoulding head to move up and down by L-shaped connecting tube, is easy to
Base substrate fast demoulding in mould, improve the processing efficiency of aluminium oxide ceramics liner disk finishing ring.
Further, the rotating mechanism in step 4) includes rotating disk and servomotor, and rotating disk is rotatably connected on servomotor,
Mould is evenly distributed on the top surface of rotating disk, and rotating mechanism can realize the production line balance of aluminium oxide ceramics liner disk finishing ring.
The present invention is by adopting the above-described technical solution, have the advantages that：
1st, the inventive method simplifies the process for making of aluminium oxide ceramics liner disk finishing ring, changes traditional high-strength
The mode of the lower machining of degree, can realize production line balance, reduce the manufacturing cost of aluminium oxide ceramics liner disk finishing ring；
2nd, the aluminium oxide ceramics liner disk finishing ring quality of inventive method production is high, substantially increases its performance；
3rd, the extrusion forming device in the invention can not only meet the aluminium oxide ceramics liner disk finishing to different sizes
Ring carries out manufacture processing, increases its working range, and machining accuracy is high, and cast and stripping rate are fast, shortens manufacture week
Phase, improve economic benefit.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is to be squeezed into a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring of the present invention
The connection diagram of type device and rotating mechanism；
Fig. 2 is the structural representation of mould emptier in the present invention；
Fig. 3 is the partial approach figure at I in Fig. 1.
In figure：1- columns；2- bottom plates；3- rotating disks；4- moulds；5- suspension plates；6- elevators；7- guide rails；8- first is supported
Plate；The supporting plates of 9- second；10- balance plates；11- feed pipes；12- connection tubes；13- sleeves；14- die casting heads；15-L shape support frames；
16- location-plates；17- mould emptiers；18- locating rods；19- hydraulic cylinders；20- piston rods；21-L shape connecting tubes；22- fixing pipes；
The telescoping tubes of 23- first；The telescoping tubes of 24- second；25- is stripped head；26- limiting plates；27- mounting blocks；28- banking stops；29- is spacing
Groove；30- trip bolts.
Embodiment
A kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring of the present invention, including following step
Suddenly：
1) abrasive body is put into grinding pot first, a certain amount of water, dispersant and crosslinking agent is measured according to formula, wherein
The mass ratio of water, dispersant and crosslinking agent is 5:0.8:0.2, organic monomer, dispersant and crosslinking agent are weighed, is matched somebody with somebody in grinding pot
Premixed liquid is made, and with ammoniacal liquor and hydrochloric acid tune pH value between 8.0~9.5, the mass fraction that organic monomer accounts for ceramic powder is
4.2~4.8%, dispersant accounts for the 0.43~0.50% of ceramic powder, and crosslinking agent is the 5.1~5.5% of organic monomer, dispersant
For Sodium Polyacrylate, crosslinking agent is one kind in methylene bisacrylamide acid amide, polyacrylate, epoxy resin, and organic monomer is
Acrylamide, system viscosity reduce with the increase of dispersant addition, increase with the addition of dispersant, particle surface
Saturation is progressivelyed reach to the adsorbance of polyelectrolyte, repulsive energy improves between electrostatic steric hindrance mechanism makes particle, reaches what is become better and better
Dispersiveness and suspension stability, when dispersion dosage is less than the 0.4wt% of solid concentration, viscosity is with the increasing of dispersant addition
Add and significantly reduce；
2) load weighted ceramic powder and then into premixed liquid is added, after addition, covers tank body, planetary mills is installed and carries out ball
Mill, Ball-milling Time is 40~50min, forms suspended substance slurry；
3) after suspended substance slurry is stable, initiator and catalyst is separately added into, respective 15~20min of ball milling, makes its equal
It is even to scatter, mill is unloaded after 10min, defrother is added, stirs, initiator is in ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate
One kind, catalyst is tetramethylethylenediamine, and with the increase of initiator, velocity of initiation is accelerated, and the time of polymerisation shortens,
Its effect is to form primary group of free radicals, promote monomer molecule formed monomer radical, initiated polymerization, when initiator amount compared with
When big, the primary group of free radicals concentration selected in slurry is larger, and trigger rate is larger, and obtained blank strength is relatively low, during destruction
It is in granular form broken, if initiator amount is too small, the polymerisation of slurry can carry out relatively slow, reduce shaping efficiency, make
After catalyst, slurry can complete polymerisation in a short time, and when catalyst amount is more, then setting time is too fast,
Also it is unfavorable for the operation of the intermediate link such as slip casting and stirring；
4) then by extrusion forming device by the slip casting after processing into mould 4, control temperature at 65~80 DEG C,
Polymerization forming is carried out, mould 4 is fixed on rotating mechanism, after 4 casting complete of extrusion molding dies, rotated by rotating mechanism
15 °~30 °, mould 4 is set to enter demoulding station, and next mould 4 enters cast station, realizes that the demoulding is carried out simultaneously with cast；
As shown in Figure 1 to Figure 3, extrusion forming device includes extrusion body, column 1 and mould emptier 17, column 1
Bottom is fixedly connected with bottom plate 2, and suspension plate 5 is provided with the side of column 1, guide rail 7 is provided with the side of suspension plate 5, is led
Elevator 6 is slidably connected on rail 7, extrusion body is fixedly connected on elevator 6, passes through limit in the side wall of suspension plate 5
Bit slice 28 connects position-limit mechanism, is provided with L-shaped support frame 15 in suspension plate 5, L-shaped support frame 15 is located at the lower section of lifter plate, L-shaped
Support frame 15 connects mould emptier 17 by location-plate 16, and extrusion body can be in the presence of elevator 6 along guide rail 7
Move up and down, be easy to be adjusted the height and position of extrusion body, meet the aluminium oxide ceramics to different sizes
Liner disk finishing ring carries out manufacture processing, and position-limit mechanism can be positioned banking stop 28, prevent elevator 6 from moving up and down
It is moved in journey, and then influences the precision of cast, mould emptier 17 can ejects the model after shaping, be easy to take.
Extrusion body includes the first supporting plate 8, the second supporting plate 9, sleeve 13, connection tube 12 and die casting first 14, the
One supporting plate 8 is located at the top of the second supporting plate 9, and is fixedly connected with lifter plate, and the top of the first supporting plate 8 is by sending
Expects pipe 11 connects outside material storing box, and balance plate 10 is provided between the first supporting plate 8 and the second supporting plate 9, and balance plate 10 passes through
Locating rod 18 is connected in the second supporting plate 9, and connection tube 12 is provided between the supporting plate 8 of balance plate 10 and first, and sleeve 13 is solid
Surely it is connected on the bottom surface of the second supporting plate 9, sleeve 13 connects with connection tube 12, and the bottom of sleeve 13 is provided with die casting first 14,
By the design of the first supporting plate 8 and the second supporting plate 9, the overall bonding strength of extrusion body and stably can be improved
Property, balance plate 10 and locating rod 18 can make sleeve 13 and connection tube 12 keep improving the cast essence of die casting first 14 straight down
Slurry in material storing box is delivered to die casting first 14 by degree, feed pipe 11 by connection tube 12 and sleeve 13, simplifies aluminum oxide pottery
Ceramic liner disk repairs the manufacturing process of ring.
Position-limit mechanism includes limiting plate 26, and the both sides up and down of limiting plate 26 are fixedly connected on suspension plate by mounting blocks 27
On 5, stopper slot 29 is provided with limiting plate 26, the mobile link of banking stop 28 is provided with tight in stopper slot 29 on limiting plate 26
Gu screw 30, limiting plate 26 can carry out spacing to banking stop 28, prevent lifter plate from being shaken during moving up and down, tightly
Gu screw 30 improves the stability of lifter plate connection.
Mould emptier 17 includes hydraulic cylinder 19, piston rod 20 and the demoulding first 25, and hydraulic cylinder 19 is fixedly connected on location-plate 16
Bottom surface on, in the lower section of hydraulic cylinder 19, piston rod 20 passes through fixing pipe 22 and connects L-shaped connecting tube the mobile link of piston rod 20
21, the first telescoping tube 23 is provided between fixing pipe 22 and L-shaped connecting tube 21, the demoulding first 25 is located at the top of L-shaped connecting tube 21,
L-shaped connecting tube 21 is stripped first 25 by the connection of the second telescoping tube 24, drives piston rod 20 to move up and down by hydraulic cylinder 19, and then
Drive the demoulding first 25 to move up and down by L-shaped connecting tube 21, the base substrate fast demoulding being easy in mould 4, improve aluminum oxide pottery
Ceramic liner disk repairs the processing efficiency of ring.
Rotating mechanism includes rotating disk 3 and servomotor, and rotating disk 3 is rotatably connected on servomotor, and mould 4 is evenly distributed on
On the top surface of rotating disk 3, rotating mechanism can realize the production line balance of aluminium oxide ceramics liner disk finishing ring.
5) after base substrate reaches demoulding strength, the base substrate of abjection is immersed in 10~20min in water, taken after being cooled to room temperature
Go out base substrate, ground with the sand paper that granularity is 600, form aluminium oxide ceramics liner disk finishing ring.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technique effect, made ground simple change, equivalent substitution or modification etc., all cover
Among protection scope of the present invention.
Claims (9)
1. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring, it is characterised in that including following step
Suddenly：
1) abrasive body is put into grinding pot first, a certain amount of water, dispersant and crosslinking agent is measured according to formula, its reclaimed water,
The mass ratio of dispersant and crosslinking agent is 5:0.8:0.2, organic monomer, dispersant and crosslinking agent are weighed, is prepared in grinding pot
PH value is adjusted between 8.0~9.5 into premixed liquid, and with ammoniacal liquor and hydrochloric acid；
2) load weighted ceramic powder and then into premixed liquid is added, after addition, covers tank body, planetary mills is installed and carries out ball milling,
Ball-milling Time is 40~50min, forms suspended substance slurry；
3) after suspended substance slurry is stable, initiator and catalyst is separately added into, respective 15~20min of ball milling, it is uniformly divided
Scatter, mill is unloaded after 10min, add defrother, stir；
4) then by extrusion forming device by the slip casting after processing into mould, control temperature at 65~80 DEG C, carry out
Polymerization forming, mould are fixed on rotating mechanism, after extrusion molding dies casting complete, by rotating mechanism rotate 15 °~
30 °, mould is set to enter demoulding station, and next mould enters cast station, realizes that the demoulding is carried out simultaneously with cast；
5) after base substrate reaches demoulding strength, the base substrate of abjection is immersed in 10~20min in water, base is taken out after being cooled to room temperature
Body, ground with the sand paper that granularity is 600, form aluminium oxide ceramics liner disk finishing ring.
2. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 1,
It is characterized in that：The organic monomer in step 1) account for the ceramic powder mass fraction be 4.2~4.8%, described point
Powder accounts for the 0.43~0.50% of the ceramic powder, and the crosslinking agent is the 5.1~5.5% of the organic monomer.
3. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 1,
It is characterized in that：The dispersant in step 1) is Sodium Polyacrylate, and the crosslinking agent is methylene bisacrylamide acid amide, poly- third
One kind in olefin(e) acid ester, epoxy resin, the organic monomer are acrylamide.
4. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 1,
It is characterized in that：The initiator in step 3) is ammonium persulfate, one kind in potassium peroxydisulfate, sodium peroxydisulfate, the catalysis
Agent is tetramethylethylenediamine.
5. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 1,
It is characterized in that：The extrusion forming device in step 4) includes extrusion body, column and mould emptier, the column
Bottom be fixedly connected with bottom plate, suspension plate is provided with the side of the column, is provided with and leads on the side of the suspension plate
Rail, elevator is slidably connected on the guide rail, the extrusion body is fixedly connected on the elevator, the suspension
Position-limit mechanism is connected by banking stop in the side wall of plate, L-shaped support frame, the L-shaped support frame position are provided with the suspension plate
In the lower section of the lifter plate, the L-shaped support frame connects the mould emptier by location-plate.
6. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 5,
It is characterized in that：The extrusion body includes the first supporting plate, the second supporting plate, sleeve, connection tube and die casting head, described
First supporting plate is located at the top of second supporting plate, and is fixedly connected with the lifter plate, first supporting plate
Top outside material storing box is connected by feed pipe, be provided with balance between first supporting plate and second supporting plate
Plate, the balance plate are connected in second supporting plate by locating rod, between the balance plate and first supporting plate
The connection tube is provided with, the sleeve is fixedly connected on the bottom surface of second supporting plate, and the sleeve is connected with described
Pipe connects, and the bottom of the sleeve is provided with the die casting head.
7. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 5,
It is characterized in that：The position-limit mechanism includes limiting plate, and the both sides up and down of the limiting plate are fixedly connected on by mounting blocks
In the suspension plate, stopper slot is provided with the limiting plate, the banking stop mobile link is in the stopper slot, the limit
Trip bolt is provided with the plate of position.
8. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 5,
It is characterized in that：The mould emptier includes hydraulic cylinder, piston rod and demoulding head, the hydraulic cylinder and is fixedly connected on the positioning
On the bottom surface of plate, in the lower section of the hydraulic cylinder, the piston rod connects L-shaped by fixing pipe and connected the piston rod mobile link
Adapter, is provided with the first telescoping tube between the fixing pipe and the L-shaped connecting tube, the demoulding head is located at L-shaped connection
The top of pipe, the L-shaped connecting tube connect the demoulding head by the second telescoping tube.
9. a kind of preparation method of gel forming ultra-high purity aluminium oxide ceramics liner disk finishing ring according to claim 1,
It is characterized in that：The rotating mechanism in step 4) includes rotating disk and servomotor, and the rotating disk is rotatably connected on described watch
Take on motor, the mould is evenly distributed on the top surface of the rotating disk.
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| CN107512866B (en) | 2020-07-24 |
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