CN105234416A - Manufacturing method of hammer of crusher and hammer - Google Patents

Manufacturing method of hammer of crusher and hammer Download PDF

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Publication number
CN105234416A
CN105234416A CN201510730025.1A CN201510730025A CN105234416A CN 105234416 A CN105234416 A CN 105234416A CN 201510730025 A CN201510730025 A CN 201510730025A CN 105234416 A CN105234416 A CN 105234416A
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China
Prior art keywords
tup
powder
alloy
hardware
disintegrating machine
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Pending
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CN201510730025.1A
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Chinese (zh)
Inventor
王小平
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Changxing Junyi Machinery Co Ltd
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Changxing Junyi Machinery Co Ltd
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Priority to CN201510730025.1A priority Critical patent/CN105234416A/en
Publication of CN105234416A publication Critical patent/CN105234416A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a manufacturing method of a hammer of a crusher and the hammer. According to the mass proportion of the material of the hammer of the crusher, 1-10% of molybdenum (Mo) powder, 1-10% of nickel (Ni) powder, 10-30% of manganese (Mn) powder, 10-50% of titanium (Ti) powder, 10-50% of carbon (C) powder and 10-70% of metal powder are matched and mixed for 2-24 h in a grinding machine so that mixed powder can be prepared; then a plurality of hard pieces are placed in a heating furnace to be sintered, and the hard pieces manufactured in this way are large in abrasion resistance. The molybdenum powder is a high-strength structural material and is resistant to high temperature and friction, and therefore the strength of the hammer of the crusher can be guaranteed, and service life is prolonged.

Description

The manufacture method of the tup of disintegrating machine and this tup
[technical field]
The present invention relates to a kind of manufacture method and this tup of tup of disintegrating machine, espespecially a kind of manufacture method of tup of disintegrating machine of hard high abrasion and this tup.
[background technology]
All a tup is provided with in the disintegrating machine that industry is general, be called for short hammer mill, it is in order to be directly crushed to very undersized material by large-sized material, the material be broken has ore, coal, salt, gypsum, brick and tile, lime stone etc., because hammer mill is widely used in ore dressing, building materials, chemical industry, electric power and metallurgy wait industrial department, workload is heavy, and rigorous service condition, and tup is directly used for broken material, therefore tup needs to have high-wearing feature, otherwise consumption is very big, loss is serious, cost increase, long term frequent is changed, also the operating efficiency of broken material is affected.
In prior art, grinder hammerhead major part uses high violent steel or forged steel material, and its wearability is not high, and tup is changed frequent.The elements such as Cr are added in potassium steel, tup can be made greatly to strengthen, but when some more firm and more persistent stones such as broken iron ores, service life improves limited compared to common potassium steel material tup, in addition, have also appeared the composite hammer head of damascene tungsten titanium alloy or high-chromium alloy, but cross the problems such as high performance-price ratio is low due to complex process, material cost and constrain it and apply.
In general, its wearability of tup that hardness is larger is also larger.Improve the wearability of tup, its hardness should be increased, but along with the raising of hardness, the toughness of tup will reduce.Therefore, hardness that tup is suitable for how is taken into account and good toughness is the key improving tup wearability.
Therefore, manufacture method and this tup of the tup designing a kind of good disintegrating machine is necessary, to overcome the problems referred to above.
[summary of the invention]
For background technology institute problems faced, the object of the present invention is to provide a kind of hard material of compound to manufacture method and this tup of the tup of disintegrating machine.
For achieving the above object, the present invention adopts following technological means:
A kind of manufacture method of tup of disintegrating machine, its step is respectively: the first step, by molybdenum (Mo) powder, nickel (Ni) powder, manganese (Mn) powder, titanium (Ti) powder, carbon (C) powder and metal dust in mass ratio routine 1-10%:1-10%:10-30%:10-50%:10-50%:10-70% prepare burden, in sander, mix 2-24 hour make mixed-powder; Second step, is positioned over above-mentioned mixed-powder in a press and suppresses, make multiple hardware; 3rd step, is positioned over multiple hardware in a heating furnace and sinters, and sintering time is 8 to 48 hours, and the temperature range of heating furnace is 1000 degree of-2000 degree; 4th step, is positioned over above-mentioned multiple hardware in a sandbox, then is watered by molten iron and cast from described sandbox, this molten iron and coated multiple hardware, forms the tup of disintegrating machine; 5th step, heat-treats described tup again, then after tempering cool to room temperature, carries out removing surface, polishing.
Further, in the first step, described metal dust comprises any combination in Fe, Cu, Cr, Si, B, Co, Zr, Hf.Described metal dust component mass ratio is: Cu:0-10%, Cr:0-30%, Si:0-15%, B:0-10%, Co:0-20%, Zr:0-15%, Hf:0-15%, and all the other are Fe.
Further, in the first step, the ratio in mass ratio for 0.01-0.1:1 in described mixed-powder adds binding agent.
Described binding agent is any one in rubber gasoline solution, Aqueous Solutions of Polyethylene Glycol or polyvinyl alcohol water solution.
Further, the cast model that multiple hardware preparations coated for molten iron in 4th step are formed is placed in medium-frequency induction furnace, high temperature is utilized to cause self-propagating synthesis reaction: Ti+C → TiC alloy, Mo+Ni+C+Fe → FeNiMoC low-alloy, Mn+C+Fe → FeMnC alloy, form TiC+FeNiMoC+FeMnC base cemented carbide phase, make to form steel bonded carbide block or steel bonded carbide cylinder between the gap of multiple described hardware.
Further, the material of described hardware comprises molybdenum titanium zirconium carbon (MoTiZrC) alloy and/or iron nickel molybdenum silicon (FeNiMoSi) alloy and/or middle carbon Ni-Cr-Mo (CNiCrMo) alloy.
For achieving the above object, another technological means also can be adopted to be:
Use the tup that the manufacture method of the tup of the disintegrating machine described in claim 1 manufactures, it comprises a matrix; One working end is connected with described matrix, and multiple described hardware is fixedly arranged on described working end, and hardware described in each manifests the surface of described working end at least partly.
Further, at least one carbide alloy plug is also provided with in described working end between adjacent two described hardware.
Further, the material of described hardware comprises molybdenum titanium zirconium carbon (MoTiZrC) alloy and/or iron nickel molybdenum silicon (FeNiMoSi) alloy and/or middle carbon Ni-Cr-Mo (CNiCrMo) alloy and/or titanium carbon (TiC) alloy and/or iron nickel molybdenum carbon (FeNiMoC) alloy and/or iron molybdenum carbon (FeMnC) alloy.
Compared with prior art, the present invention has following beneficial effect:
The material of the tup of disintegrating machine contain molybdenum (Mo) powder, nickel (Ni) powder, manganese (Mn) powder, titanium (Ti) powder, carbon (C) powder and metal dust in mass ratio routine 1-10%:1-10%:10-30%:10-50%:10-50%:10-70% prepare burden, in sander, mix 2-24 hour make mixed-powder, again multiple hardware is positioned in heating furnace and sinters, the multiple hardware so made, scuff resistance is large, molybdenum powder is the structural material of high strength, and high temperature resistant and friction, therefore the tup intensity of disintegrating machine is ensured, improve service life.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of tup first embodiment of disintegrating machine of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the schematic diagram of tup second embodiment of disintegrating machine of the present invention;
Fig. 4 is the upward view of Fig. 3.
The drawing reference numeral of detailed description of the invention illustrates:
Matrix 1 Working end 2 Hardware 3
Protruding 31 Carbide alloy plug 4
[detailed description of the invention]
For ease of better understanding object of the present invention, structure, feature and effect etc., existing the invention will be further described with detailed description of the invention by reference to the accompanying drawings.
Refer to Fig. 1 and Fig. 2, the tup of disintegrating machine of the present invention comprises connected matrix 1 and a working end 2, and multiple hardware 3 is fixedly arranged on described working end 2, and multiple carbide alloy plug 4 is also fixed in described working end 2.
Refer to Fig. 1 and Fig. 2, the manufacture method of the tup of described disintegrating machine, its step is respectively:
The first step, by molybdenum (Mo) powder, nickel (Ni) powder, manganese (Mn) powder, titanium (Ti) powder, carbon (C) powder and metal dust in mass ratio routine 1-10%:1-10%:10-30%:10-50%:10-50%:10-70% prepare burden, described metal dust comprises any combination in Fe, Cu, Cr, Si, B, Co, Zr, Hf.Described metal dust component mass ratio is: Cu:0-10%, Cr:0-30%, Si:0-15%, B:0-10%, Co:0-20%, Zr:0-15%, Hf:0-15%, all the other are Fe, after above-mentioned material configures, then are inserted in sander and mix 2-24 hour and make mixed-powder.In the present embodiment, molybdenum (Mo) powder is 2%, nickel (Ni) powder is 2%, manganese (Mn) powder is 17%, titanium (Ti) powder and carbon (C) powder be 35% and, remaining is metal dust.
In order to strengthen the cohesive force between mixed-powder, be convenient to subsequent forming, ratio in mass ratio for 0.01-0.1:1 in described mixed-powder adds binding agent, described binding agent is any one in rubber gasoline solution, Aqueous Solutions of Polyethylene Glycol or polyvinyl alcohol water solution, cohesive force strengthens, make follow-up described hardware 3 easily shaping, intensity increases.
Refer to Fig. 1 and Fig. 2, second step, be positioned in a press by above-mentioned mixed-powder and suppress, make multiple hardware 3, the upper surface of hardware 3 described in each and lower surface arrange protruding 31, and multiple described hardware 3 is fixedly arranged on described working end 2.Certainly, also can be that hardware 3 described in each only upper surface or lower surface just arranges protruding 31 in other embodiments.
Refer to Fig. 1 and Fig. 2, separately, the arrangement of adjacent two described hardware 3 is staggered setting at least partly, and the distance between adjacent two described hardware 3 is equal to or greater than 40mm, so gains in strength, not easily loosens.
And, can be in other embodiments, the area portions of multiple described hardware 3 is identical (referring to Fig. 3 and Fig. 4), and a part of described hardware 3 is square, and described in another part, hardware 3 is long strip block, or all identical (referring to Fig. 1 and Fig. 2), multiple described hardware 3 is cylindric, or all not identical (not shown), and such as shape is square, long strip block or cylindric, even irregular etc., these shapes are all for the intensity stabilization in follow-up use procedure lays the foundation.
3rd step, be positioned in a heating furnace by multiple hardware 3 and sinter, sintering time is 8 to 48 hours, and the temperature range of heating furnace is 1000 degree of-2000 degree.Described in each, the hardness of hardware 3 is equal to or greater than 60HRC.In the present embodiment, sintering time is 12 hours, and temperature is 1400 degree.
4th step, is positioned over above-mentioned multiple hardware 3 in a sandbox, then is watered by molten iron and cast from described sandbox, and this molten iron and coated multiple hardware 3 and multiple carbide alloy plug 4, form the tup of disintegrating machine.The cast model that formation prepared by multiple hardware 3 coated for molten iron in 4th step is placed in medium-frequency induction furnace, high temperature is utilized to cause self-propagating synthesis reaction: Ti+C → TiC alloy, Mo+Ni+C+Fe → FeNiMoC low-alloy, Mn+C+Fe → FeMnC alloy, form TiC+FeNiMoC+FeMnC base cemented carbide phase, make to form steel bonded carbide block or steel bonded carbide cylinder between the gap of multiple described hardware 3.These molten iron define described matrix 1 and described working end 2.
The material of described hardware 3 comprises molybdenum titanium zirconium carbon (MoTiZrC) alloy and/or iron nickel molybdenum silicon (FeNiMoSi) alloy and/or middle carbon Ni-Cr-Mo (CNiCrMo) alloy and/or titanium carbon (TiC) alloy and/or iron nickel molybdenum carbon (FeNiMoC) alloy and/or iron molybdenum carbon (FeMnC) alloy, the intensity of these alloys is very strong, improves service life.
Above-mentioned steps, makes also to be provided with multiple described carbide alloy plug 4 in described working end 2 between adjacent two described hardware 3, certainly, also can be in other embodiments, an only described carbide alloy plug 4 in described sandbox.
Separately, shaping described protruding 31 is more firm for locating in sandbox and embed after in tup, can not be thrown out of when in use.Be specially hardware 3 part described in each and manifest the surface of described working end 2, described in each, the projection 31 of the upper surface of hardware 3 manifests the surface of described working end 2, and workman is when using disintegrating machine, and the described tup of protruding 31 better can smash material; The projection 31 of described lower surface is fixed in described working end 2, for strengthening the stable setting between described hardware 3 and described working end 2.
5th step, heat-treats described tup again, then after tempering cool to room temperature, carries out removing surface, polishing.Wherein, during heat treatment, the temperature in stove is 1000 degree, and the time is 18 hours, and the temperature of tempering is 500 degree, and the time is 12 hours.
The size of the hardware 3 after above-mentioned steps completes is that 25mm(is thick) * 50mm(is wide) * 60-70mm(is long), namely described hardware 3 is embedded in the degree of depth of described working end 2 is 25mm.The diameter of described carbide alloy plug 4 is 20mm, and length of embedment is 50-60mm, due to the existence of described carbide alloy plug 4, make molten iron flow rates even, can well by coated for multiple described hardware 3, conjugation is good, and described tup intensity when working strike is higher.
The material of the tup of the disintegrating machine in the present invention contains molybdenum (Mo) powder, nickel (Ni) powder, manganese (Mn) powder, titanium (Ti) powder, carbon (C) powder and metal dust in mass ratio routine 1-10%:1-10%:10-30%:10-50%:10-50%:10-70% are prepared burden, in sander, mix 2-24 hour make mixed-powder, again multiple hardware 3 is positioned in heating furnace and sinters, the multiple hardware 3 so made, scuff resistance is large, molybdenum powder is the structural material of high strength, and high temperature resistant and friction, therefore the tup intensity of disintegrating machine is ensured, improve service life.
In addition, the tup that above-mentioned method is produced is not high to the technical requirement of workman, and can produce in enormous quantities, the performance of tup itself improves greatly.
More than describe in detail and be only the explanation of the preferred embodiment of the present invention, non-ly therefore limit to the scope of the claims of the present invention, so the equivalence techniques that all this creation of utilization descriptions and diagramatic content are done changes, and is all contained in the scope of the claims of the present invention.

Claims (10)

1. a manufacture method for the tup of disintegrating machine, is characterized in that, step is respectively:
The first step, by molybdenum (Mo) powder, nickel (Ni) powder, manganese (Mn) powder, titanium (Ti) powder, carbon (C) powder and metal dust in mass ratio routine 1-10%:1-10%:10-30%:10-50%:10-50%:10-70% prepare burden, in sander, mix 2-24 hour make mixed-powder;
Second step, is positioned over above-mentioned mixed-powder in a press and suppresses, make multiple hardware;
3rd step, is positioned over multiple hardware in a heating furnace and sinters, and sintering time is 8 to 48 hours, and the temperature range of heating furnace is 1000 degree of-2000 degree;
4th step, is positioned over above-mentioned multiple hardware in a sandbox, then is watered by molten iron and cast from described sandbox, this molten iron and coated multiple hardware, forms the tup of disintegrating machine;
5th step, heat-treats described tup again, then after tempering cool to room temperature, carries out removing surface, polishing.
2. the manufacture method of the tup of disintegrating machine as claimed in claim 1, it is characterized in that: in the first step, described metal dust comprises any combination in Fe, Cu, Cr, Si, B, Co, Zr, Hf.
3. the manufacture method of the tup of disintegrating machine as claimed in claim 2, is characterized in that: described metal dust component mass ratio is: Cu:0-10%, Cr:0-30%, Si:0-15%, B:0-10%, Co:0-20%, Zr:0-15%, Hf:0-15%, all the other are Fe.
4. the manufacture method of the tup of disintegrating machine as claimed in claim 1, is characterized in that: in the first step, in mass ratio for the ratio of 0.01-0.1:1 adds binding agent in described mixed-powder.
5. the manufacture method of the tup of disintegrating machine as claimed in claim 4, is characterized in that: described binding agent is any one in rubber gasoline solution, Aqueous Solutions of Polyethylene Glycol or polyvinyl alcohol water solution.
6. the manufacture method of the tup of disintegrating machine as claimed in claim 1, it is characterized in that: the cast model that multiple hardware preparations coated for the molten iron in the 4th step are formed is placed in medium-frequency induction furnace, high temperature is utilized to cause self-propagating synthesis reaction: Ti+C → TiC alloy, Mo+Ni+C+Fe → FeNiMoC low-alloy, Mn+C+Fe → FeMnC alloy, form TiC+FeNiMoC+FeMnC base cemented carbide phase, make to form steel bonded carbide block or steel bonded carbide cylinder between the gap of multiple described hardware.
7. the manufacture method of the tup of disintegrating machine as claimed in claim 1, is characterized in that: the material of described hardware comprises molybdenum titanium zirconium carbon (MoTiZrC) alloy and/or iron nickel molybdenum silicon (FeNiMoSi) alloy and/or middle carbon Ni-Cr-Mo (CNiCrMo) alloy.
8. the tup using the manufacture method of the tup of the disintegrating machine described in claim 1 to manufacture, is characterized in that, comprising:
One matrix;
One working end is connected with described matrix, and multiple described hardware is fixedly arranged on described working end, and hardware described in each manifests the surface of described working end at least partly.
9. tup as claimed in claim 12, is characterized in that: be also provided with at least one carbide alloy plug in described working end between adjacent two described hardware.
10. tup as claimed in claim 12, is characterized in that: the material of described hardware comprises molybdenum titanium zirconium carbon (MoTiZrC) alloy and/or iron nickel molybdenum silicon (FeNiMoSi) alloy and/or middle carbon Ni-Cr-Mo (CNiCrMo) alloy and/or titanium carbon (TiC) alloy and/or iron nickel molybdenum carbon (FeNiMoC) alloy and/or iron molybdenum carbon (FeMnC) alloy.
CN201510730025.1A 2015-11-02 2015-11-02 Manufacturing method of hammer of crusher and hammer Pending CN105234416A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840192A (en) * 2016-04-20 2016-08-10 莱芜金物新材料科技有限公司 Integrated high-wear-resistance cutting tooth and preparation method thereof
CN106180650A (en) * 2016-07-20 2016-12-07 常熟市电力耐磨合金铸造有限公司 A kind of wear-resisting type castingin tup and production technology thereof
CN107971062A (en) * 2017-12-29 2018-05-01 宣城市安工大工业技术研究院有限公司 A kind of multifunctional solution broken stone quartering hammer and its manufacture method
CN108326260A (en) * 2018-01-26 2018-07-27 济南韶欣耐磨材料有限公司 A kind of manufacturing method of wear-resisting hammer head of hammer crusher
CN108380818A (en) * 2018-04-12 2018-08-10 北京科技大学 The method that isostatic cool pressing combination lost foam prepares Metal Substrate SHS wear-resistant coatings
CN108411183A (en) * 2018-04-28 2018-08-17 山东硕源工业机械设备有限公司 TM52 steel bonded carbide and preparation process applied to potassium steel Jaw plate

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US4024902A (en) * 1975-05-16 1977-05-24 Baum Charles S Method of forming metal tungsten carbide composites
CN101658917A (en) * 2009-09-22 2010-03-03 西安建筑科技大学 Preparation method of framework reinforcement compound hammerhead
CN101920216A (en) * 2010-09-09 2010-12-22 淮阴工学院 Wear-resistant hammer head of hammer crusher with movable installation position and manufacturing method thereof
CN102423799A (en) * 2011-12-12 2012-04-25 广东新劲刚超硬材料有限公司 Method of in situ synthetic steel bond hard alloy casting composite hammerhead and hammerhead
CN102600928A (en) * 2012-02-29 2012-07-25 中国地质大学(北京) Inserted tooth hammer of crushing machine and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024902A (en) * 1975-05-16 1977-05-24 Baum Charles S Method of forming metal tungsten carbide composites
CN101658917A (en) * 2009-09-22 2010-03-03 西安建筑科技大学 Preparation method of framework reinforcement compound hammerhead
CN101920216A (en) * 2010-09-09 2010-12-22 淮阴工学院 Wear-resistant hammer head of hammer crusher with movable installation position and manufacturing method thereof
CN102423799A (en) * 2011-12-12 2012-04-25 广东新劲刚超硬材料有限公司 Method of in situ synthetic steel bond hard alloy casting composite hammerhead and hammerhead
CN102600928A (en) * 2012-02-29 2012-07-25 中国地质大学(北京) Inserted tooth hammer of crushing machine and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840192A (en) * 2016-04-20 2016-08-10 莱芜金物新材料科技有限公司 Integrated high-wear-resistance cutting tooth and preparation method thereof
CN106180650A (en) * 2016-07-20 2016-12-07 常熟市电力耐磨合金铸造有限公司 A kind of wear-resisting type castingin tup and production technology thereof
CN107971062A (en) * 2017-12-29 2018-05-01 宣城市安工大工业技术研究院有限公司 A kind of multifunctional solution broken stone quartering hammer and its manufacture method
CN108326260A (en) * 2018-01-26 2018-07-27 济南韶欣耐磨材料有限公司 A kind of manufacturing method of wear-resisting hammer head of hammer crusher
CN108380818A (en) * 2018-04-12 2018-08-10 北京科技大学 The method that isostatic cool pressing combination lost foam prepares Metal Substrate SHS wear-resistant coatings
CN108411183A (en) * 2018-04-28 2018-08-17 山东硕源工业机械设备有限公司 TM52 steel bonded carbide and preparation process applied to potassium steel Jaw plate

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