CN108031794A - Cement rotary kiln supporting-roller shaft lining tile casting device and casting method - Google Patents
Cement rotary kiln supporting-roller shaft lining tile casting device and casting method Download PDFInfo
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- CN108031794A CN108031794A CN201810049453.1A CN201810049453A CN108031794A CN 108031794 A CN108031794 A CN 108031794A CN 201810049453 A CN201810049453 A CN 201810049453A CN 108031794 A CN108031794 A CN 108031794A
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- Prior art keywords
- lining tile
- sandbox
- water
- sand
- casting
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- Pending
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- 238000005266 casting Methods 0.000 title claims abstract description 44
- 239000004568 cement Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 13
- 239000004576 sand Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 244000035744 Hura crepitans Species 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000000956 alloy Substances 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000008141 laxative Substances 0.000 claims description 2
- 230000002475 laxative effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The present invention provides a kind of cement rotary kiln supporting-roller shaft lining tile casting device, including bottom plate, sandbox and sprue cup, sprue cup are arranged on the top of sandbox；Sandbox center is equipped with water-cooled metal core, and the outside diameter of water-cooled metal core is equal to the internal diameter of lining tile；Water-cooled metal core bottom is equipped with intake-outlet, wherein water inlet open height is less than water outlet, top is equipped with exhaust water pipe；Sand mold is equipped between sandbox and water-cooled metal core with inner wall of sand box boundary, the height of sand mold is equal to the span of lining tile, and the internal diameter of sand mold is bigger 40 ± 3mm than the outside diameter of lining tile watt body；Bottom plate, sand mold and water-cooled metal core are finally internally formed watt build chamber for casting lining tile in sandbox；Using above-mentioned technical proposal, the high quality casting of cement rotary kiln supporting-roller shaft lining tile can be realized.
Description
Technical field
The present invention relates to a kind of casting technique, a kind of casting device more particularly to cement rotary kiln supporting-roller shaft lining tile and
Casting method.
Background technology
Rotary kiln is the important equipment in cement firing system, and the height of its running efficiency directly affects the warp in this cement plant
Ji benefit.And riding wheel supporting device is to ensure the important component that rotary kiln runs well, lining tile is then supporting roller of rotary kiln bearing
Core.In the prior art, lining tile is substantially by casting, but with the increasing of lining tile size in existing demand
Add, the difficulty of casting is higher and higher.
The content of the invention
The object of the present invention is to provide a kind of casting device of cement rotary kiln supporting-roller shaft lining tile.
In order to solve the above technical problem, the present invention provides technical solution be：A kind of cement rotary kiln supporting-roller shaft lining tile
Casting device, including bottom plate, sandbox and sprue cup, sprue cup are arranged on the top of sandbox；The sandbox center is equipped with water cooling
Metal core, the outside diameter of water-cooled metal core are equal to the internal diameter of the lining tile；The water-cooled metal core bottom is equipped with intake-outlet, wherein
Water inlet open height is less than water outlet, and top is equipped with exhaust water pipe；Border between sandbox and the water-cooled metal core with inner wall of sand box
Place is equipped with sand mold, the height of sand mold equal to the span of the lining tile, the internal diameter of sand mold is bigger by 40 than the outside diameter of the lining tile watt body ±
3mm；The bottom plate, sand mold and water-cooled metal core are finally internally formed watt build chamber for casting lining tile in sandbox.
Further, which further includes upper water box, the upper water box be arranged on the top of sand mold and with sandbox
Inner wall is bordered on；The upper water box offers upper water box import and upper water box exhaust water pipe；The upper water box, sand mold and water cooling
Metal core is finally internally formed for casting the upper flange cavity of lining tile and the riser of the device in sandbox.
Further, the junction of the sandbox and bottom plate is provided with chill, and the internal diameter of chill is equal to the method for the lining tile
Blue lower flange outside diameter；The chill, bottom plate and water-cooled metal core are finally internally formed the laxative remedy for casting lining tile in sandbox
Flange-type chamber.
Further, the sand mold in the sandbox is at least divided into three casees.
The present invention also provides it is a kind of using above-mentioned casting device carry out lining tile casting method include moulding → cast → after
Handle three steps；Wherein,
The step of overall modelling comprises the following steps：
S101 chooses the suitable sandbox of size, and the size is suitable for：Highly it is more than or equal to the total height of lining tile to be cast,
Watt external footpath greatly at least 240mm of the diameter than lining tile to be cast；
S102 is put into arbor at sandbox center, and carries out moulding using sand；
S103 scrapes sand of the diameter equal to watt external footpath of lining tile to be cast using scraper plate at the center of sandbox；
S104 control scraper plates are motionless, by sandbox towards any level direction displacement 20mm, with scraper plate continue hanging sand to scrape less than
Untill sand；
S105 control scraper plates are motionless, the opposite direction horizontal displacement 40mm by sandbox towards S14 steps, continue hanging sand with scraper plate
Untill scraping less than sand；
S106 is from bottom plate) plane is scraped at watt body height of lining tile to be cast upwards, upper water box is placed on this plane；
S107 is by sand mold in 240-260 DEG C of drying；
S108 is in sand mold and upper water box inner surface spary oxidation aluminium paint and dries；
S109 is put into water-cooled metal core at sandbox center, and bottom is put into chill, to be cast；
The cast step comprises the following steps：
S201 chills are scalded at least 2 times with molten aluminum, water-cooled metal core, sand mold and upper water box drying and maintain the temperature at 50 DEG C
More than；
S202 starts to pour into a mould；
The post processing includes：
S301 water fillings cool down；
After cooling down after the solidification completely of S302 alloys and somewhat, teeming stage will be integrally hung out；
S303 clears up residual sand, arranges cast workpiece and mould, and casting is completed.
Further, sand used selects red sand in the step S102, and the humidity of the red sand is：Hand grabs a sand
Son, fist are held with a firm grip, freely falling body, and sand can scatter for standard.
Further, it is characterised in that：Lower part needs especially to compress during moulding in the step S102.
Further, alloy selects ZA303, wherein Cu to be added in a manner of AlCu50 intermediate alloys in the step S202；
During molten alloy, aluminium and AlCu50 intermediate alloys are first added into smelting furnace, zinc is added after being completely melt.
Further, it is necessary to first remove the aluminium oxide in aluminium alloy before being poured into a mould in S202.
Further, in step S301, first slowly added into water-cooled metal core, lower flange is first solidified, treat lower flange
After solidification, increasing discharges water speed so that lining tile consecutive solidification from bottom to top.
Using above-mentioned technical proposal, has the following advantages：To ensure casting consecutive solidification, eliminate local heat energy-saving position and produce
Shrinkage porosite and bottom contracting, by increasing the setting rate at chill quickening lining tile lower flange；Kirsite Solidification Characteristics are paste, easy shape
Contract the bottom of into and disperse shrinkage porosite, so single large scale riser need to be placed during cast, to carry out feeding on demand at any time；By upward
Water tank and water-cooled metal core add water with different rhythm in sequence, and control product can be cooled down in order, ensure lining tile
Quality；Alloy when cast is introduced into the copper in alloy using AlCu50, is segregated with preventing copper larger in local proportion.
Brief description of the drawings
Fig. 1 is the structure diagram of cement rotary kiln supporting-roller shaft lining tile casting device of the present invention；
Fig. 2 is the Section A-A sectional view of Fig. 1.
Wherein：1st, sprue cup；2nd, it is vented water pipe；3rd, upper water box import；4th, upper water box；5th, sand mold；6th, watt build chamber；7th, sand
Case；8th, chill；9th, bottom plate；10th, lower flange cavity；11st, water-cooled metal core；12nd, upper flange cavity；13rd, upper water box exhaust water pipe.
Embodiment
Below by specific embodiment, the present invention is described further.It should be noted that described in embodiment
" in one embodiment ", the similar sentence such as " in one more preferably embodiment ", refers to relevant specific with the embodiment
Feature, structure or characteristic at least may be included at least one implementation of the present invention.Different places occur in the present specification
" in one embodiment ", not necessarily all refer to same embodiment " in one more preferably embodiment ", be also necessarily
The mutually exclusive independent or selection example with other embodiment.
As depicted in figs. 1 and 2, cement rotary kiln supporting-roller shaft lining tile casting device of the invention include bottom plate 9, sandbox 7 with
And sprue cup 1, sprue cup 1 are arranged on the top of sandbox 7；7 center of sandbox is equipped with water-cooled metal core 11, water-cooled metal core 11 it is outer
Footpath is equal to the internal diameter of lining tile；11 bottom of water-cooled metal core is equipped with intake-outlet, wherein water inlet open height is less than water outlet, top is set
There is exhaust water pipe 2；Sand mold 5 is equipped with 7 inside boundary of sandbox between sandbox 7 and water-cooled metal core 11, the height of sand mold 5 is equal to
The span of lining tile, the internal diameter of sand mold 5 are bigger 40 ± 3mm than the outside diameter of lining tile watt body；Bottom plate 9, sand mold 5 and water-cooled metal core 11 are most
Eventually watt build chamber 6 for casting lining tile is internally formed in sandbox 7.
In one embodiment, which further includes upper water box 4, and upper water box 4 is arranged on the top of sand mold 5 and and sand
The inside of case 7 borders on；Upper water box 4 offers upper water box import 3 and upper water box exhaust water pipe 13；Upper water box 4, sand mold 5 and
Water-cooled metal core 11 is finally internally formed for casting the upper flange cavity 12 of lining tile and the riser of the device in sandbox 7；Emit
Open height is the 20-30% of lining tile height to be cast, and thickness is 1-1.2 times of lining tile wall thickness.
In one embodiment, the junction of sandbox 7 and bottom plate 9 is provided with chill 8, and the internal diameter of chill 8 is equal to lining tile
Flange lower flange outside diameter；Chill 8, bottom plate 9 and water-cooled metal core 11 are finally internally formed for casting under lining tile in sandbox 7
Flange cavity 10.
In one embodiment, the sand mold 5 in sandbox 7 is at least divided into three casees, and wherein nowel needs extra compress.
In each embodiment, casting method of the invention includes moulding → step of cast → post processing three；Wherein, make
Type step comprises the following steps：
S101 chooses the suitable sandbox 7 of size, and size is suitable for：Highly it is more than or equal to the total height of lining tile to be cast, directly
Watt external footpath greatly at least 240mm of the footpath than lining tile to be cast；
S102 is put into arbor at 7 center of sandbox, and carries out moulding using sand；Sand used selects red sand, the red sand
Humidity be：Hand grabs a sand, and fist is held with a firm grip, and freely falling body, sand can scatter for standard.
S103 scrapes sand of the diameter equal to watt external footpath of lining tile to be cast using scraper plate at the center of sandbox 7；
S104 control scraper plates are motionless, by sandbox 7 towards any level direction displacement 20mm, with scraper plate continue hanging sand to scrape less than
Untill sand；
S105 control scraper plates are motionless, and the opposite direction horizontal displacement 40mm by sandbox 7 towards S14 steps, continues to hang with scraper plate
Sand is untill scraping less than sand；
S106 scrapes plane at watt body height of lining tile to be cast upwards from bottom plate 9, places upper water box on this plane
4；
S107 is by sand mold 5 in 240-260 DEG C of drying；
S108 is in sand mold 5 and 4 inner surface spary of upper water box oxidation aluminium paint and dries；
S109 is put into water-cooled metal core 11 at 7 center of sandbox, and bottom is put into chill 8, to be cast；
Cast step comprises the following steps：
S201 chills 8 are scalded at least 2 times with molten aluminum, and water-cooled metal core 11, sand mold 5 and upper water box 4 dry and keep temperature
More than 50 DEG C；
S202 starts to pour into a mould, and alloy selects ZA303, wherein Cu to be added in a manner of AlCu50 intermediate alloys during cast；Melting
During alloy, aluminium and AlCu50 intermediate alloys are first added into smelting furnace, zinc is added after being completely melt；Closed before cast, it is necessary to first remove
Aluminium oxide in golden liquid.It should be noted that by AlCu50 alloys synthesize ingot when, crucible domestic demand stirring, with prevent copper because than
Weight is larger and is segregated.
Post processing includes：
S301 water fillings cool down；First slowly added into water-cooled metal core 11, lower flange is first solidified, treat that lower flange solidifies it
Afterwards, increase and discharge water speed so that lining tile consecutive solidification from bottom to top.
After cooling down after the solidification completely of S302 alloys and somewhat, teeming stage will be integrally hung out；
S303 clears up residual sand, arranges cast workpiece and mould, and casting is completed.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (10)
- A kind of 1. cement rotary kiln supporting-roller shaft lining tile casting device, it is characterised in that：Including bottom plate (9), sandbox (7) and cast gate Cup (1), sprue cup (1) are arranged on the top of sandbox (7)；Sandbox (7) center is equipped with water-cooled metal core (11), water-cooled metal The outside diameter of core (11) is equal to the internal diameter of the lining tile；Water-cooled metal core (11) bottom is equipped with intake-outlet, wherein water inlet Highly it is less than water outlet, top is equipped with exhaust water pipe (2)；It is interior with sandbox (7) between the sandbox (7) and water-cooled metal core (11) Wall boundary is equipped with sand mold (5), and the height of sand mold (5) is equal to the span of the lining tile, and the internal diameter of sand mold (5) is than the lining tile watt Big 40 ± the 3mm of outside diameter of body；The bottom plate (9), sand mold (5) and water-cooled metal core (11) are finally internally formed in sandbox (7) For casting watt build chamber (6) of lining tile.
- A kind of 2. cement rotary kiln supporting-roller shaft lining tile casting device according to claim 1, it is characterised in that：The casting fills Put and further include upper water box (4), the upper water box (4) is arranged on the top of sand mold (5) and borders on the inner wall of sandbox (7)；It is described Upper water box (4) offers upper water box import (3) and upper water box exhaust water pipe (13)；The upper water box (4), sand mold (5) and Water-cooled metal core (11) is finally internally formed for casting the upper flange cavity (12) of lining tile and emitting for the device in sandbox (7) Mouthful；The riser height is the 20-30% of lining tile height to be cast, and thickness is 1-1.2 times of lining tile wall thickness.
- A kind of 3. cement rotary kiln supporting-roller shaft lining tile casting device according to claim 1, it is characterised in that：The sandbox (7) chill (8) is provided with the junction of bottom plate (9), the internal diameter of chill (8) is equal to the flange lower flange outside diameter of the lining tile； The chill (8), bottom plate (9) and water-cooled metal core (11) are finally internally formed the laxative remedy for casting lining tile in sandbox (7) Flange-type chamber (10).
- A kind of 4. cement rotary kiln supporting-roller shaft lining tile casting device according to claim 1, it is characterised in that：The sandbox (7) sand mold (5) in is at least divided into three casees.
- 5. a kind of cement rotary kiln supporting-roller shaft lining tile casting device using described in claim 1-4 carries out the side of lining tile casting Method, it is characterised in that including moulding → step of cast → post processing three；Wherein,The step of overall modelling comprises the following steps：S101 chooses the suitable sandbox of size (7), and the size is suitable for：Highly it is more than or equal to the total height of lining tile to be cast, Watt external footpath greatly at least 240mm of the diameter than lining tile to be cast；S102 is put into arbor at sandbox (7) center, and carries out moulding using sand；S103 scrapes sand of the diameter equal to watt external footpath of lining tile to be cast at the center of sandbox (7) using scraper plate；S104 control scraper plates are motionless, by sandbox (7) towards any level direction displacement 20mm, with scraper plate continue hanging sand to scrape less than Untill sand；S105 control scraper plates are motionless, the opposite direction horizontal displacement 40mm by sandbox (7) towards S14 steps, continue hanging sand with scraper plate Untill scraping less than sand；S106 scrapes plane at watt body height of lining tile to be cast upwards from bottom plate (9), places upper water box on this plane (4)；S107 is by sand mold (5) in 240-260 DEG C of drying；S108 is in sand mold (5) and upper water box (4) inner surface spary oxidation aluminium paint and dries；S109 is put into water-cooled metal core (11) at sandbox (7) center, and bottom is put into chill (8), to be cast；The cast step comprises the following steps：S201 chills (8) are scalded at least 2 times with molten aluminum, water-cooled metal core (11), sand mold (5) and upper water box (4) drying and holding Temperature is more than 50 DEG C；S202 starts to pour into a mould；The post processing includes：S301 water fillings cool down；After cooling down after the solidification completely of S302 alloys and somewhat, teeming stage will be integrally hung out；S303 clears up residual sand, arranges cast workpiece and mould, and casting is completed.
- A kind of 6. method of lining tile casting according to claim 5, it is characterised in that：Sand used in the step S102 Red sand is selected, the humidity of the red sand is：Hand grabs a sand, and fist is held with a firm grip, and freely falling body, sand can scatter for standard.
- A kind of 7. method of lining tile casting according to claim 5 or 6, it is characterised in that：Moulding in the step S102 When lower part need especially compress.
- A kind of 8. method of lining tile casting according to claim 5, it is characterised in that：Alloy is selected in the step S202 ZA303, wherein Cu are added in a manner of AlCu50 intermediate alloys；During molten alloy, first aluminium and AlCu50 intermediate alloys are added molten Stove, zinc is added after being completely melt.
- A kind of 9. method of lining tile casting according to claim 5 or 8, it is characterised in that：, it is necessary to first remove before S202 cast Remove the aluminium oxide in aluminium alloy.
- A kind of 10. method of lining tile casting according to claim 5, it is characterised in that：In step S301, first slowly to water Added in cold metal core (11), lower flange is first solidified, after treating lower flange solidification, increase the speed that discharges water so that lining tile is under Upstream sequence solidifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049453.1A CN108031794A (en) | 2018-01-18 | 2018-01-18 | Cement rotary kiln supporting-roller shaft lining tile casting device and casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049453.1A CN108031794A (en) | 2018-01-18 | 2018-01-18 | Cement rotary kiln supporting-roller shaft lining tile casting device and casting method |
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|---|---|
| CN108031794A true CN108031794A (en) | 2018-05-15 |
Family
ID=62096417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810049453.1A Pending CN108031794A (en) | 2018-01-18 | 2018-01-18 | Cement rotary kiln supporting-roller shaft lining tile casting device and casting method |
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| CN (1) | CN108031794A (en) |
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2018
- 2018-01-18 CN CN201810049453.1A patent/CN108031794A/en active Pending
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