CN109569797A - A kind of preset ceramic body cast iron bar and preparation method thereof - Google Patents
A kind of preset ceramic body cast iron bar and preparation method thereof Download PDFInfo
- Publication number
- CN109569797A CN109569797A CN201811567864.6A CN201811567864A CN109569797A CN 109569797 A CN109569797 A CN 109569797A CN 201811567864 A CN201811567864 A CN 201811567864A CN 109569797 A CN109569797 A CN 109569797A
- Authority
- CN
- China
- Prior art keywords
- bar
- cast iron
- ceramic body
- iron bar
- body cast
- 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.)
- Pending
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- 239000000919 ceramic Substances 0.000 title claims abstract description 75
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000010009 beating Methods 0.000 claims abstract description 16
- 230000008901 benefit Effects 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000011651 chromium Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 241000700605 Viruses Species 0.000 claims description 3
- 238000006757 chemical reactions by type Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- -1 shale Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present invention discloses a kind of preset ceramic body cast iron bar and preparation method thereof, the bar includes bar ontology, beating part of the bar ontology by mounting portion and positioned at mounting portion two sides is constituted, there is an inclination alpha between beating part and mounting portion, the tilt angle at the inclination angle matches with impact crusher rotor motion profile and impact force, ceramic body is embedded in beating part, which is obtuse angle.Compared with the existing technology, the present invention has the following advantages: thick big rectangular bar can be both designed to comply with the bar of impact crusher rotor motion profile and impact force optimum tilt angle shape in this way, the service life of bar is improved.Valuable alloy material is saved, the wearability at bar working face position is improved, extends the service life of bar.
Description
Technical field
The invention belongs to the components of impact breaker, and in particular to it is a kind of installed on impact crusher rotor it is anti-
Wear bar.
Background technique
The material that impact breaker is generally used for the industries such as mine, chemical industry, building materials is broken, is particularly useful granite, sand
You, the hard rocks such as volcanic rock, cobblestone of rock, shale, silica are broken, increase silicon for producing sandstone aggregate, Machine-made Sand and cement industry
Raw material is broken, provides granularity for subsequent grinding machine grinding and guarantees, reduces the biggish energy consumption of mill that consumes energy, and realizes " more broken few mills " section
The about energy.
Currently, impact breaker is mostly used the two-stage crushing in material, because of the bar installed on its rotor, in rotor height
In fast rotary course, by very big material impact power.Using high tenacity high manganese steel material bar, wearability is insufficient；It uses
Rich chromium cast iron bar, under the effect of large impact power, fracture accident easily occurs for bar.So being used on general impact breaker
Bar, be all straight rectangular bar, and in order to increase the impact resistance of bar, bar all designs very thick big, this
Sample will cause the waste of material.
Summary of the invention
The present invention provides a kind of preset ceramic body cast iron bar, and thick big rectangular bar is designed to comply with reaction type and is crushed
The bar of machine rotor motion profile and impact force optimum tilt angle shape, improves the service life of bar.
The object of the present invention is achieved in the following manner:
A kind of preset ceramic body cast iron bar, including bar ontology, bar ontology is by mounting portion and beating positioned at mounting portion two sides
Portion's composition is hit, there is an inclination alpha between beating part and mounting portion, the tilt angle and impact crusher rotor at the inclination angle move rail
Mark and impact force match.
Above-mentioned preset ceramic body cast iron bar, is embedded with ceramic body in beating part, which is obtuse angle.
Above-mentioned preset ceramic body cast iron bar, the material of the ceramic body are wear-resistant ceramic.
Above-mentioned preset ceramic body cast iron bar, the ceramic body are successively embedded by ceramics preparative block and are formed in beating part.
Above-mentioned preset ceramic body cast iron bar, inclination alpha are 130 ° -165 °.
Above-mentioned preset ceramic body cast iron bar, the inclination alpha are 149 °, and the material of bar ontology is rich chromium cast iron.
Above-mentioned preset ceramic body cast iron bar, the preparation method of the ceramics preparative block are alumina ceramic grain and oxidation
Zircon ceramic particle is uniformly mixed, then is added binder and carried out blank preparation, is then placed in vacuum sintering furnace and is sintered, prepares
Wear-resistant ceramic prefabricated section out.
Above-mentioned preset ceramic body cast iron bar, the ingredient of the rich chromium cast iron are as follows: (number is quality % in table)
| C | Si | Mn | Cr | Mo | Cu | S | P |
| 3.4~3.6 | 0.4~0.7 | ≤0.6 | 24~26 | 1.2~1.6 | 0.8~1.0 | ≤0.04 | ≤0.04 |
A kind of production method of preset ceramic body cast iron bar, first make ceramics preparative block, by alumina ceramic grain with
Zirconia ceramics particle is uniformly mixed, then is added binder and carried out blank preparation, is then placed in vacuum sintering furnace and is sintered,
Prepare wear-resistant ceramic prefabricated section；Bar moulding carries out moulding using water virus；The placement of ceramics preparative block will dry
Dry wear-resistant ceramic prefabricated section, the type for being rotated in bar scope of attack position is intracavitary, fixation；Bar casting, utilizes medium frequency electric
Furnace carries out the smelting of hypereutectic high chromium cast iron ingredient, using refinery practice and Modification Treatment Technique, carries out bar casting；Carry out hot place
Prefabricated ceramic body cast iron bar is made in reason.
The production method of above-mentioned preset ceramic body cast iron bar carries out removing surface again and polishes pre- after being heat-treated
Potting porcelain body cast iron bar.
Compared with the existing technology, the present invention has the following advantages: thick big rectangular bar can be both designed to comply in this way
The bar of impact crusher rotor motion profile and impact force optimum tilt angle shape, improves the service life of bar.
Valuable alloy material is saved, the wearability at bar working face position is improved, extends the service life of bar.
Detailed description of the invention
Fig. 1 is sectional view of the present invention.
Fig. 2 be the present invention along Fig. 1 A-A to sectional view.
Fig. 3 is B-B direction sectional view of the present invention along Fig. 1.
Specific embodiment
A kind of preset ceramic body cast iron bar as shown in FIG. 1 to FIG. 3, the bar are fixed on impact crusher rotor
Broken body.In rotor high-speed rotation, bar hits the material being crushed, and material is made to generate fragmentation.Therefore, bar
The impact resistance for hitting position is especially important.Bar of the present invention includes bar ontology, and bar ontology is by mounting portion 3 and is located at peace
The beating part 1 of dress portion two sides is constituted, and has an inclination alpha between beating part and mounting portion, and the tilt angle and reaction type at the inclination angle are broken
Broken machine rotor motion profile and impact force match, and the bar being mounted on the rotor is made to hit material according to best angle of attack,
The inclination alpha is obtuse angle.Ceramic body 2 is embedded in beating part, which plays the role of increasing bar wearability.
The material of ceramic body of the invention is wear-resistant ceramic, which is successively embedded by ceramics preparative block in beating part shape
At the preparation method of ceramics preparative block is that alumina ceramic grain is uniformly mixed with zirconia ceramics particle, and wherein aluminium oxide is made pottery
Mass ratio (55-65) %:(35-45 of porcelain and zirconia ceramics) %, preferably 60%:40%, then add binder and carry out blank preparation,
Binder is refractory inorganic binder, and the additive amount of binder is (2-3) % of aluminium oxide and zirconia ceramics gross mass, excellent
2.5% is selected, is then placed in vacuum sintering furnace and is sintered, prepares wear-resistant ceramic prefabricated section.
Currently preferred technical solution is that the inclination alpha between the beating part of bar and mounting portion is 130 ° -165 °, most preferably
It is 149 °.
Above-mentioned preset ceramic body cast iron bar, the material of the bar ontology are rich chromium cast iron, the ingredient of rich chromium cast iron are as follows:
(number is quality % in table)
| C | Si | Mn | Cr | Mo | Cu | S | P |
| 3.4~3.6 | 0.4~0.7 | ≤0.6 | 24~26 | 1.2~1.6 | 0.8~1.0 | ≤0.04 | ≤0.04 |
A kind of production method of preset ceramic body cast iron bar, first make ceramics preparative block, by alumina ceramic grain with
Zirconia ceramics particle is uniformly mixed, wherein mass ratio (55-65) %:(35-45 of aluminium oxide ceramics and zirconia ceramics) %, it is excellent
60%:40% is selected, then adds binder and carries out blank preparation, binder is refractory inorganic binder, and the additive amount of binder is
(2-3) % of aluminium oxide and zirconia ceramics gross mass, preferably 2.5%, it is then placed in vacuum sintering furnace and is sintered, prepare
Wear-resistant ceramic prefabricated section；Bar moulding carries out moulding using water virus；The placement of ceramics preparative block, by the resistance to of drying
Ceramics preparative block is ground, the type for being rotated in bar scope of attack position is intracavitary, fixation；Bar casting, is carried out using middle frequency furnace
Hypereutectic high chromium cast iron ingredient is smelted, and using refinery practice and Modification Treatment Technique, carries out bar casting；It is heat-treated, into
After row heat treatment removing surface is carried out again and prefabricated ceramic body cast iron bar of polishing to obtain.
There are a plurality of dependent claims: the increased technology can be described accordingly after having described each claim
Bring benefit described in scheme.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (10)
1. a kind of preset ceramic body cast iron bar, including bar ontology, it is characterised in that: bar ontology is by mounting portion and is located at peace
The beating part of dress portion two sides is constituted, and has an inclination alpha between beating part and mounting portion, and the tilt angle and reaction type at the inclination angle are broken
Machine rotor motion profile and impact force match.
2. preset ceramic body cast iron bar according to claim 1, it is characterised in that: be embedded with ceramics in beating part
Body, the inclination alpha are obtuse angle.
3. preset ceramic body cast iron bar according to claim 2, it is characterised in that: the material of the ceramic body is wear-resisting
Ceramics.
4. preset ceramic body cast iron bar according to claim 2, it is characterised in that: the ceramic body is by ceramics preparative block
It is successively embedded and is formed in beating part.
5. preset ceramic body cast iron bar according to claim 1, it is characterised in that: inclination alpha is 130 ° -165 °.
6. preset ceramic body cast iron bar according to claim 1, it is characterised in that: the inclination alpha is 149 °, bar sheet
The material of body is rich chromium cast iron.
7. preset ceramic body cast iron bar according to claim 4, it is characterised in that: the preparation side of the ceramics preparative block
Method is that alumina ceramic grain is uniformly mixed with zirconia ceramics particle, then is added binder and carried out blank preparation, is then placed in
It is sintered in vacuum sintering furnace, prepares wear-resistant ceramic prefabricated section.
8. preset ceramic body cast iron bar according to claim 6, it is characterised in that: the ingredient of the rich chromium cast iron are as follows:
(number is quality % in table)
。
9. a kind of production method of preset ceramic body cast iron bar, it is characterised in that: first make ceramics preparative block, aluminium oxide is made pottery
Porcelain particle is uniformly mixed with zirconia ceramics particle, then is added binder and carried out blank preparation, is then placed in vacuum sintering furnace
It is sintered, prepares wear-resistant ceramic prefabricated section；Bar moulding carries out moulding using water virus；Ceramics preparative block
It places, by the wear-resistant ceramic prefabricated section of drying, the type for being rotated in bar scope of attack position is intracavitary, fixation；Bar casting, benefit
Hypereutectic high chromium cast iron ingredient smelting is carried out with middle frequency furnace, using refinery practice and Modification Treatment Technique, carries out bar casting；
It carries out heat treatment and prefabricated ceramic body cast iron bar is made.
10. the production method of preset ceramic body cast iron bar according to claim 9, it is characterised in that: be heat-treated
Carry out removing surface again afterwards and prefabricated ceramic body cast iron bar of polishing to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567864.6A CN109569797A (en) | 2018-12-21 | 2018-12-21 | A kind of preset ceramic body cast iron bar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567864.6A CN109569797A (en) | 2018-12-21 | 2018-12-21 | A kind of preset ceramic body cast iron bar and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109569797A true CN109569797A (en) | 2019-04-05 |
Family
ID=65930342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567864.6A Pending CN109569797A (en) | 2018-12-21 | 2018-12-21 | A kind of preset ceramic body cast iron bar and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109569797A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570482A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | Three-liquid two-phase bimetal-ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
| CN114570481A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | High-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
| CN114570483A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | Martensite/bainite steel base ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
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| CN209476374U (en) * | 2018-12-21 | 2019-10-11 | 郑州鼎盛高新能源工程技术有限公司 | A kind of preset ceramic body cast iron bar |
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2018
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| CN2522167Y (en) * | 2002-02-04 | 2002-11-27 | 王飞 | Back-beating type disintegrator board hammer |
| CN201140084Y (en) * | 2007-12-28 | 2008-10-29 | 浙江武精机器制造有限公司 | Rotor of backstroke cursher |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570482A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | Three-liquid two-phase bimetal-ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
| CN114570481A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | High-chromium cast iron-based ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
| CN114570483A (en) * | 2022-02-08 | 2022-06-03 | 徐州徐工矿业机械有限公司 | Martensite/bainite steel base ZTA ceramic composite material impact crusher plate hammer and manufacturing method thereof |
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Application publication date: 20190405 |