CN104109795B - A kind of jaw crusher abrasion-proof backing block - Google Patents
A kind of jaw crusher abrasion-proof backing block Download PDFInfo
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- CN104109795B CN104109795B CN201410330713.4A CN201410330713A CN104109795B CN 104109795 B CN104109795 B CN 104109795B CN 201410330713 A CN201410330713 A CN 201410330713A CN 104109795 B CN104109795 B CN 104109795B
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Abstract
The invention discloses a kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.25 3.3%, Mn:3.4 3.6%, Si:0.4 0.6%, Cr:4.5 5.0%, Ba:0.8 1.0%, Al:0.01 0.04%, Mo:0.1 0.15%, S :≤0.02%, P :≤0.02%；Surplus is Fe；Inoculation, cast and the step such as Quenching Treatment, temper is carried out including melting, addition silicon titanate innoculant；The abrasion-proof backing block wearability of the present invention is good, and hardness is high, good toughness；Cr can strengthen matrix, improves quenching degree, corrosion resistance；Mn improves the quenching degree of cast iron, toughness, and Al can improve the mechanical property of liner plate；The hardness of liner plate is 62 65HRC, and impact flexibility is 6 7J/cm2, a length of 30,000 34000 hours of service life.
Description
Technical field
The present invention relates to abrasion-proof backing block technical field, be specifically related to a kind of jaw crusher abrasion-proof backing block.
Background technology
Jaw crusher made again by jaw crusher, is mainly used in the medium size to various ores Yu bulk materials
Broken, it is widely used in the industries such as mine, smelting, building materials, highway, railway, water conservancy and chemical industry.Quilt
The high compressive strength of broken material is 320MPa.Performance characteristics is big for broken ratio, and product granularity is uniform,
Simple in construction, dependable performance, maintenance simplicity, running cost is low.Jaw crusher in mine, building materials,
The departments such as capital construction are mainly used as boulder crusher and intermediate crusher.According to charging aperture width size be divided into big or middle,
Small-sized three kinds, charging aperture width more than 600MM for heavy-duty machines, charging aperture width is at 300-600MM
For medium-sized machine, charging aperture width less than 300MM for minicomputer.Jaw crusher simple in construction, system
Make easily, reliable operation, easy maintenance.
The working portion of jaw crusher is two pieces of jaws, and one is fixed jaw, vertically (is fixed on body
On antetheca, another is sewing jaw, inclined position, forms up big and down small crusher chamber with fixed jaw.
Sewing jaw does periodically reciprocating motion facing to fixed jaw, time and separate, time and close.Time separately,
Material enters crusher chamber, and finished product draws off from bottom；Time close, the material being contained between two pieces of jaws is made to be subject to
Crush to extruding, bending and slabbing action.
In jaw crusher, the requirement to abrasion-proof backing block is higher, will have higher hardness, intensity, wear-resisting
Property, abrasion-proof backing block of the prior art haves much room for improvement.
Summary of the invention
For the problems referred to above, the invention provides a kind of jaw crusher abrasion-proof backing block, have higher hard
Degree, wearability, longer service life.
In order to solve the problems referred to above, the technical scheme that the present invention provides is:
A kind of jaw crusher abrasion-proof backing block, preparation method comprises the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1,550 1560 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 22 for the first time
The silicon titanate innoculant of 24%, particle diameter 1.8 2.2mm；Second time pours steel ladle at the molten iron of 45 50%
Time add remaining silicon titanate innoculant, particle diameter 0.5 0.8mm；
(3) cast: temperature is 1,450 1460 DEG C；
(4) 30 35 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 240 250 DEG C, is incubated 1.4 1.6 hours；Again in temperature
When being 440 460 DEG C, it is incubated 1.8 2 hours, then when temperature is 840 860 DEG C, is incubated 1.5
1.6 hours, it is cooled to room temperature with the speed of 25 DEG C/h the most again；
(6) temper: when temperature is 230 240 DEG C, is incubated 1.5 1.6 hours, in temperature is
When 350 360 DEG C, it is incubated 2.3 2.4 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again；
Each composition and percentage by weight thereof in jaw crusher abrasion-proof backing block be: C:3.25-3.3%,
Mn:3.4-3.6%, Si:0.4-0.6%, Cr:4.5-5.0%, Ba:0.8-1.0%, Al:
0.01-0.04%, Mo:0.1-0.15%, S :≤0.02%, P :≤0.02%；Surplus is Fe；.
Preferably, each composition in jaw crusher abrasion-proof backing block and percentage by weight thereof are: C:
3.26-3.3%, Mn:3.45-3.6%, Si:0.45-0.6%, Cr:4.6-5.0%, Ba:0.85-1.0%,
Al:0.02-0.04%, Mo:0.12-0.15%, S :≤0.02%, P :≤0.02%；Surplus is
Fe。
Preferably, each composition and percentage by weight thereof are: C:3.28%, Mn:3.48%, Si:0.48%,
Cr:4.7%, Ba:0.95%, Al:0.03%, Mo:0.12%, S:0.02%, P:0.01%；
Surplus is Fe.
Preferably, each composition and percentage by weight thereof are: C:3.26%, Mn:3.42%, Si:0.55%,
Cr:4.8%, Ba:0.85%, Al:0.02%, Mo:0.11%, S:0.01%, P:0.02%；
Surplus is Fe.
Compared with prior art, the invention have the benefit that
The abrasion-proof backing block wearability of the present invention is good, and hardness is high, good toughness；Cr can strengthen matrix, improves
Quenching degree, corrosion resistance；Mn improves the quenching degree of cast iron, toughness, and Al can improve the mechanics of liner plate
Performance；The hardness of liner plate is 62 65HRC, and impact flexibility is 6 7J/cm2, service life a length of 30000
34000 hours.
Detailed description of the invention
The present invention will be further described below:
Embodiment 1:
A kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.25%, Mn:
3.6%, Si:0.4%, Cr:5.0%, Ba:0.8%, Al:0.04%, Mo:0.1%, S:0.02%,
P:0.02%；Surplus is Fe.
The preparation method of jaw crusher abrasion-proof backing block, comprises the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1550 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 24% for the first time
Silicon titanate innoculant, particle diameter 1.8mm；Second time adds remaining silicon when steel ladle poured into by the molten iron of 50%
Barium inovulant, particle diameter 0.5mm；
(3) cast: temperature is 1460 DEG C；
(4) 30 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 250 DEG C, is incubated 1.4 hours；Again when temperature is 460 DEG C,
It is incubated 1.8 hours, then when temperature is 860 DEG C, is incubated 1.5 hours, the most again with 25 DEG C/h's
Speed is cooled to room temperature；
(6) temper: when temperature is 240 DEG C, is incubated 1.5 hours, when temperature is 360 DEG C,
It is incubated 2.3 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again.
Embodiment 2:
A kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.3%, Mn:
3.4%, Si:0.6%, Cr:4.5%, Ba:1.0%, Al:0.01%, Mo:0.15%, S:
0.02%, P:0.01%；Surplus is Fe.
The preparation method of jaw crusher abrasion-proof backing block, comprise the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1560 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 22% for the first time
Silicon titanate innoculant, particle diameter 2.2mm；Second time adds remaining silicon barium when steel ladle poured into by the molten iron of 45%
Inovulant, particle diameter 00.8mm；
(3) cast: temperature is 1450 DEG C；
(4) 35 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 240 DEG C, is incubated 1.6 hours；It it is 440 DEG C in temperature again
Time, it is incubated 2 hours, then when temperature is 840 DEG C, is incubated 1.6 hours, the most again with 25 DEG C/h
Speed be cooled to room temperature；
(6) temper: when temperature is 230 DEG C, is incubated 1.6 hours, when temperature is 350 DEG C, protects
Temperature 2.4 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again.
Embodiment 3:
A kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.25%, Mn:
3.4%, Si:0.6%, Cr:5.0%, Ba:0.8%, Al:0.01%, Mo:0.15%, S:
0.01%, P:0.02%；Surplus is Fe.
The preparation method of jaw crusher abrasion-proof backing block, comprise the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1554 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 23% for the first time
Silicon titanate innoculant, particle diameter 1.9mm；Second time adds remaining silicon when steel ladle poured into by the molten iron of 47%
Barium inovulant, particle diameter 0.7mm；
(3) cast: temperature is 1456 DEG C；
(4) 32 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 245 DEG C, is incubated 1.45 hours；Again when temperature is 445 DEG C,
It is incubated 1.85 hours, then when temperature is 846 DEG C, is incubated 1.56 hours, the most again with 25 DEG C/h
Speed be cooled to room temperature；
(6) temper: when temperature is 232 DEG C, is incubated 1.58 hours, when temperature is 356 DEG C,
It is incubated 2.35 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again.
Embodiment 4:
A kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.28%, Mn:
3.48%, Si:0.48%, Cr:4.7%, Ba:0.95%, Al:0.03%, Mo:0.12%, S:
0.02%, P:0.01%；Surplus is Fe.
The preparation method of jaw crusher abrasion-proof backing block, comprise the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1556 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 22% for the first time
Silicon titanate innoculant, particle diameter 2mm；It is pregnant that second time adds remaining silicon barium when steel ladle poured into by the molten iron of 47%
Educate agent, particle diameter 0.6mm；
(3) cast: temperature is 1454 DEG C；
(4) 33 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 242 DEG C, is incubated 1.55 hours；Again when temperature is 458 DEG C,
It is incubated 1.95 hours, then when temperature is 845 DEG C, is incubated 1.5 hours, the most again with 25 DEG C/h
Speed be cooled to room temperature；
(6) temper: when temperature is 234 DEG C, is incubated 1.52 hours, when temperature is 352 DEG C,
It is incubated 2.35 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again.
Embodiment 5:
A kind of jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof be: C:3.26%, Mn:
3.42%, Si:0.55%, Cr:4.8%, Ba:0.85%, Al:0.02%, Mo:0.11%, S:
0.01%, P:0.02%；Surplus is Fe.
The preparation method of jaw crusher abrasion-proof backing block, comprise the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, melting
Temperature is: 1550 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 22% for the first time
Silicon titanate innoculant, particle diameter 1.8mm；Second time adds remaining silicon when steel ladle poured into by the molten iron of 45%
Barium inovulant, particle diameter 0.5mm；
(3) cast: temperature is 1460 DEG C；
(4) 35 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 250 DEG C, is incubated 1.6 hours；Again when temperature is 440 DEG C,
It is incubated 1.8 hours, then when temperature is 860 DEG C, is incubated 1.6 hours, the most again with 25 DEG C/h's
Speed is cooled to room temperature；
(6) temper: when temperature is 240 DEG C, is incubated 1.5 hours, when temperature is 350 DEG C,
It is incubated 2.3 hours, is cooled to room temperature with the speed of 18 DEG C/h the most again.
The general principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, above-described embodiment and specification
Described in the principle that the present invention is simply described, without departing from the spirit and scope of the present invention, this
Invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention
In.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. a jaw crusher abrasion-proof backing block, it is characterised in that: preparation method comprises the following steps:
(1) melting；Add steel scrap, the pig iron carries out melting, and each composition after melting to meet the requirements, molten
Refining temperature is: 1,550 1560 DEG C；
(2) add silicon titanate innoculant and carry out inoculation: carry out in two times, add total amount 22 for the first time
The silicon titanate innoculant of 24%, particle diameter 1.8 2.2mm；Second time pours molten steel at the molten iron of 45 50%
Remaining silicon titanate innoculant, particle diameter 0.5 0.8mm is added during bag；
(3) cast: temperature is 1,450 1460 DEG C；
(4) 30 35 DEG C it are cooled to；
(5) Quenching Treatment: when temperature is 240 250 DEG C, is incubated 1.4 1.6 hours；Again in temperature
When degree is 440 460 DEG C, it is incubated 1.8 2 hours, then when temperature is 840 860 DEG C, protects
Temperature 1.5 1.6 hours, is cooled to room temperature with the speed of 25 DEG C/h the most again；
(6) temper: when temperature is 230 240 DEG C, is incubated 1.5 1.6 hours, in temperature
When being 350 360 DEG C, it is incubated 2.3 2.4 hours, is cooled to room with the speed of 18 DEG C/h the most again
Temperature；
In described jaw crusher abrasion-proof backing block, each composition and percentage by weight thereof are: C:
3.25-3.3%, Mn:3.4-3.6%, Si:0.4-0.6%, Cr:4.5-5.0%, Ba:0.8-1.0%,
Al:0.01-0.04%, Mo:0.1-0.15%, S :≤0.02%, P :≤0.02%, surplus is
Fe。
Jaw crusher abrasion-proof backing block the most according to claim 1, it is characterised in that: each composition and
Its percentage by weight is: C:3.26-3.3%, Mn:3.45-3.6%, Si:0.45-0.6%, Cr:
4.6-5.0%, Ba:0.85-1.0%, Al:0.02-0.04%, Mo:0.12-0.15%, S:
≤ 0.02%, P :≤0.02%；Surplus is Fe.
Jaw crusher abrasion-proof backing block the most according to claim 1, it is characterised in that: each composition and
Its percentage by weight is: C:3.28%, Mn:3.48%, Si:0.48%, Cr:4.7%, Ba:
0.95%, Al:0.03%, Mo:0.12%, S:0.02%, P:0.01%；Surplus is Fe.
Jaw crusher abrasion-proof backing block the most according to claim 1, it is characterised in that: each composition and
Its percentage by weight is: C:3.26%, Mn:3.42%, Si:0.55%, Cr:4.8%, Ba:
0.85%, Al:0.02%, Mo:0.11%, S:0.01%, P:0.02%；Surplus is Fe.
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| CN201410330713.4A CN104109795B (en) | 2014-07-11 | 2014-07-11 | A kind of jaw crusher abrasion-proof backing block |
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| CN201410330713.4A CN104109795B (en) | 2014-07-11 | 2014-07-11 | A kind of jaw crusher abrasion-proof backing block |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN101748325A (en) * | 2009-12-30 | 2010-06-23 | 山东省汇丰机械集团总公司章丘市铸造厂 | High-strength wear-resisting ductile iron coiling block and manufacturing method thereof |
| CN103757516A (en) * | 2014-01-09 | 2014-04-30 | 北京工业大学 | Wear-resisting white cast iron and preparation method thereof |
-
2014
- 2014-07-11 CN CN201410330713.4A patent/CN104109795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100150A (en) * | 1993-09-09 | 1995-03-15 | 株洲市机械工业研究所 | Impact fatigue-resistant wear-proof alloy cast iron |
| CN101748325A (en) * | 2009-12-30 | 2010-06-23 | 山东省汇丰机械集团总公司章丘市铸造厂 | High-strength wear-resisting ductile iron coiling block and manufacturing method thereof |
| CN103757516A (en) * | 2014-01-09 | 2014-04-30 | 北京工业大学 | Wear-resisting white cast iron and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 铬含量及变质剂对铬锰抗磨铸铁组织和性能的影响;肖志军;《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑 》;20071115(第5期);第8页，表2-1，第2页第二段第4行，第5页第4段，第7页第2-3段 * |
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Inventor after: Yang Ming Inventor after: Li Hecheng Inventor before: Yang Ming |
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Effective date of registration: 20160722 Address after: 242300 Anhui economic and Technological Development Zone, Ningguo, Wang Wang Park S104 Road on the eastern side of the road on the south side of Industrial Road, No. two Applicant after: ANHUI SANFANG NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 242300, Anhui province Xuancheng city Ningguo River Lek office pay Bay Applicant before: Anhui Sanfang Cast Grinding Materials Co., Ltd. |
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