CN204891993U - Wear -resisting crusher hammer of adjustable mounted position - Google Patents
Wear -resisting crusher hammer of adjustable mounted position Download PDFInfo
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- CN204891993U CN204891993U CN201520365549.0U CN201520365549U CN204891993U CN 204891993 U CN204891993 U CN 204891993U CN 201520365549 U CN201520365549 U CN 201520365549U CN 204891993 U CN204891993 U CN 204891993U
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- tup
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- shank
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Abstract
The utility model discloses a wear -resisting crusher hammer of adjustable mounted position, the tup includes head and stalk portion, head and stalk portion adopt rich chromium cast iron and potassium steel to form through the lost pattern casting that disappears respectively, inlay on the working face of head and be equipped with a plurality of pottery reinforcing strips, the tip of pottery reinforcing strip with the working face of tup head flushes, the stalk portion is equipped with first mounting hole and second mounting hole, first mounting hole and second mounting hole set up for linking to each other, between head and the stalk portion be metallurgical bonding between the embedded pottery reinforcing strip of establishing of head and head. The utility model provides a wear -resisting crusher hammer of adjustable mounted position, the head and the stalk portion of this tup adopt different materials to form through the lost pattern casting that disappears, and the tup of production has better wear resistance, longer advantages such as life.
Description
Technical field
The utility model relates to a kind of auxiliary part of disintegrating machine, more specifically to a kind of wear-resisting grinder hammerhead of adjustable mounting position.
Background technology
Hammer mill be mainly used in the industrial departments such as metallurgy, mine, building materials, chemical industry and electric power carry out in brittle material below broken and ore in small, broken bits, lime stone, coal or other medium hardness.But the tup of disintegrating machine is the consumable accessory of easily wearing and tearing, and the selection of its material is also more difficult.Especially substance middle or small tup between 150N to 350N, when for bearing medium impact power, broken medium hardness material, the selection very contradiction of tup material.As selected potassium steel material, because shock peening is insufficient, case hardness is low, tup quick abrasion, and the life-span is short; Rich chromium cast iron material is selected to there is again poor toughness, easy fracture, uneasy congruent problem.
Upper analysis, select desirable material to be difficult, can say according to this, and single material is difficult to meet not only wear-resisting toughness but also good requirement.In addition, according to the work characteristics of hammer head of hammer crusher, tup should have the shank of certain length to connect and support the end of tup, and makes the end larger centrifugal force of acquisition carry out impact grinding material with this.In general, when tup, to be used for broken end size longer, and the utilization rate of tup metal material is higher, and the material of its fragmentation is also more.
The patent No. is disclose a kind of composite wear-resisting manganese steel hammer head of crusher in the utility model patent of 201020680596.1, comprise manganese steel hammer body, the working face of manganese steel hammer body is provided with high chromium stick, described high chromium stick refers to the high chromium bar be welded on the working face of manganese steel hammer body termination and the high chromium block be welded on the working face of manganese steel hammer body side, described manganese steel hammer body basic material adopts potassium steel or ultra-high manganese steel steel series, alloy bar can be distributed with as required in the matrix of manganese steel hammer body, there is the advantage making material can improve tup service life in shattering process.
The patent No. is disclose a kind of composite steel-bonded carbidce hammer head and manufacturing process thereof in the patent of invention of 90104778.3, this tup forms primarily of the steel bonded carbide of mother metal and castingin, its mother metal adds wear-resisting metallic element and trace rare-earth element when the common potassium steel of melting, steel bonded carbide take titanium carbide as hard phase, and steel is the combined material of Binder Phase.This tup has the performances such as hardness is high, wear-resisting, corrosion-resistant, anti-oxidant, and castingin conjugation is good, and tup average life span is more than 4 times of common potassium steel tup, is applicable to the various hammer mills in glass factory, cement plant, sugar refinery, mine.
But in the hammer head of hammer crusher that above-mentioned prior art obtains, it well can't meet the demand of existing production in anti-wear performance, service life etc.
Summary of the invention
The utility model object is the shortcoming overcoming above-mentioned technology, provides a kind of wear-resisting grinder hammerhead of adjustable mounting position; This tup has good anti-wear performance, longer service life.
The technical scheme that the utility model technical solution problem adopts is: a kind of wear-resisting grinder hammerhead of adjustable mounting position, described tup comprises head and shank, the head of described tup adopts rich chromium cast iron to be formed by lost foam casting, and the shank of described tup adopts potassium steel to be formed by lost foam casting; The working face of described tup head is embedded with some ceramic enhancement bar, the end of described ceramic enhancement bar flushes with the working face of described tup head; The shank of described tup is provided with the first installing hole and the second installing hole, and the first described installing hole and the second installing hole are the setting that is connected; Between described head and shank, between the ceramic enhancement bar that is embedded in described head and head, be metallurgical binding.
For the further restriction of described ceramic stiffener, described ceramic stiffener is primarily of TiC, TiB
2/ TiC ceramic particle or TiB
2/ TiN ceramic particle is formed; Combination between described ceramic particle is metallurgical binding.
Further, described ceramic stiffener is column structure.
Further, the working face of described tup head is arcwall face.
The beneficial effects of the utility model are: compared with prior art, the grinder hammerhead that the utility model provides has following advantage: the shank of (1) tup is provided with the first installing hole and the second installing hole, after the end wear certain length of tup, continue to use by mobile installation site function, be equivalent to change new tup, thus extend the service life of tup; (2) head of tup adopts rich chromium cast iron, makes tup have enough wearabilities, and the shank of tup adopts potassium steel, makes it have enough obdurabilities, overcomes the shortcoming that homogenous material makes tup; (3) head of tup and shank adopt lost foam casting to make respectively, lost foam casting is a kind of casting technique of Near net shape, its technique is simple, production efficiency is high, casting accuracy is good, steady quality is reliable, and solves the severe root problem of conventional damascene casting making grinder hammerhead production environment; (4) tup head is embedded with ceramic stiffener, further increases the anti-wear performance of head, thus extends its service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of grinder hammerhead of the present utility model.
Wherein, 1-first installing hole; 2-second installing hole; 3-shank; 4-head; 5-pottery stiffener; 6-working face.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following detailed description of the invention should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Embodiment
As shown in Figure 1, a kind of wear-resisting grinder hammerhead of adjustable mounting position, described tup comprises head 4 and shank 3, and the head 4 of described tup adopts rich chromium cast iron to be formed by lost foam casting, and the shank 3 of described tup adopts potassium steel to be formed by lost foam casting; The working face 6 of described tup head 4 is embedded with some ceramic enhancement bar, the end of described ceramic enhancement bar flushes with the working face 6 of described tup head 4; The shank 3 of described tup is provided with the first installing hole 1 and the second installing hole 2, and the first described installing hole 1 and the second installing hole 2 are the setting that is connected; Between described head 4 and shank 3, between the ceramic enhancement bar that is embedded in described head 4 and head 4, be metallurgical binding.The working face 6 of described tup head 4 is arcwall face.Described ceramic stiffener 5 is primarily of TiC, TiB
2/ TiC ceramic particle or TiB
2/ TiN ceramic particle is formed; Combination between described ceramic particle is metallurgical binding.Described ceramic stiffener 5 is column structure.
The head 4 of described tup adopts rich chromium cast iron lost foam casting to form, the chemical composition of described rich chromium cast iron and mass fraction thereof are: C:2.8 ~ 3.5%, Si:0.5 ~ 0.7%, S:0.03 ~ 0.05%, P:0.04 ~ 0.06%, Mn:0.8 ~ 1.2%, Cu:0.4 ~ 0.6%, Cr:24.5 ~ 27.5%, Mo:0.4 ~ 0.6%, V:0.1 ~ 0.2%, W:0.5 ~ 0.8%, and surplus is Fe.
The shank 3 of described tup adopts potassium steel lost foam casting to form, and the chemical composition of described potassium steel and mass fraction thereof are: C:1.1 ~ 1.3%, Mn:12.0 ~ 14.5%, Cr:2.0 ~ 2.5%, Si:0.5 ~ 0.8%, Mo:0.25 ~ 0.45%, B:0.45 ~ 0.65%, Ti:0.15 ~ 0.25%, Ni:0.01 ~ 0.09%, S :≤0.04%, P :≤0.04%; Surplus is Fe.
A preparation method for the wear-resisting grinder hammerhead of described adjustable mounting position, described preparation method comprises the preparation method of head rich chromium cast iron and the preparation method of shank potassium steel.
The preparation method of described rich chromium cast iron head 4 is: ordinary scrap steel, the pig iron are added melting in intermediate frequency furnace, adds alloying element and carries out analysis of components, fine setting, meet the requirements to composition after iron liquid is melting down; Be warming up to 1450 ~ 1500 DEG C after fusing completely to carry out taking off Slag treatment; Pour method in employing bag and carry out Metamorphism treatment to the iron liquid after deoxidation, add in advance in the bottom of pouring ladle and account for the rare earth of iron liquid quality 0.25 ~ 0.35%, the vanadium iron of 0.2 ~ 0.4%, its granularity is less than 6mm, and on above-mentioned material, cover iron filings or steel plate; When in tapping process, by account for quality of molten steel be 1.00 ~ 1.40% tungsten carbide particle add with stream equably from start to finish, after tapping terminates, manually stir, leave standstill and rich chromium cast iron iron liquid is poured into the head foundry goods forming tup in tup head evaporative pattern in 2 ~ 3 minutes; After cast, when tup head foundry goods is cooled to 970 ~ 980 DEG C, tup head foundry goods is hung out air cooling from evaporative pattern sandbox, after room temperature, removes rising head, load in chamber type electric resistance furnace and be heated to 220 DEG C of insulations and come out of the stove after 2 hours air cooling.
The preparation method of described potassium steel shank 3 is: waste and old manganese steel and steel scrap are melt into manganese steel water by electric furnace, and add alloying element and carry out analysis of components, fine setting, the mass fraction requirement of the chemical composition of above-mentioned potassium steel is met to composition, process of skimming is carried out after temperature being risen to 1600 ~ 1650 DEG C, process of skimming adopts aluminum strip to carry out final deoxidizing process, and the weight of aluminum strip is 0.3 ~ 0.35% of molten steel weight; Select high-quality basic matterial sand as moulding sand, type is made and is adopted carbon dioxide to do solidification process afterwards, then coats, then carries out igniting baking, then mould assembling; Controlled by liquid steel temperature after 1500 ~ 1550 DEG C, pour in tup shank evaporative pattern, pouring temperature controls at 1480 ~ 1500 DEG C, and temperature retention time is 2 ~ 3 hours; After casting complete, carry out sand removal process; Then hard edges is cleared up, polishing inspection; The foundry goods cleared up is deposited in high temperature heat treatment furnace and puts well, seal fire door, heat up, be incubated 3 ~ 4 hours at 1040 DEG C ~ 1110 DEG C after, cool the temperature to 250 ~ 300 DEG C of follow-up continuation of insurance temperature 2 ~ 3 hours, then quick tapping enters water-quenching; After foundry goods air cooling to room temperature, removing is watered, rising head, then carries out an acceptance inspection to product, enters storehouse, stacking, classification warehouse-in.After the rich chromium cast iron head 4 of described tup and potassium steel shank 3 have been cast, poured into a mould by appropriate potassium steel liquid again between head 4 and shank 3 and combine.
The preparation method of described head evaporative pattern is as follows: first, is made the mould of set hammer head portion polystyrene foam plastics mould by aluminum alloy; Then, running gate system, rising head are pasted onto on the non-mating surface of foam mould; Secondly, coating fireproof coating, enters the drying room oven dry that temperature is 50 DEG C; Then, the overall evaporative pattern after drying is imbedded in dry sand, vibration frequency be 50 ~ 60Hz, amplitude is 1 ~ 2mm, acceleration is carry out jolt ramming in 1 ~ 2g parameter area; Finally, poured in evaporative pattern by rich chromium cast iron iron liquid and form tup head foundry goods, rich chromium cast iron iron liquid casting temperature is 1430 ~ 1460 DEG C, and negative-pressure vacuum degree is 0.02 ~ 0.04Mpa.
The preparation method of described shank evaporative pattern is as follows: first, shank evaporative pattern is processed into polystyrene foamed plastics plate, evaporative pattern is pasted cast gate and rising head, described evaporative pattern is immersed in alloy solution, make the skin of described mould form alloy-layer; Dry at described evaporative pattern is placed in 50 ~ 55 DEG C; Then, described mould is placed in sandbox, vibration frequency be 60 ~ 70Hz, amplitude is 2 ~ 3mm, acceleration is carry out jolt ramming in 2 ~ 3g parameter area; Before cast, first open vavuum pump, under subnormal ambient, use potassium steel molten metal by shaping for the die casting completing back-up sand.
Above embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (4)
1. the wear-resisting grinder hammerhead of an adjustable mounting position, it is characterized in that: described tup comprises head and shank, the head of described tup adopts rich chromium cast iron to be formed by lost foam casting, and the shank of described tup adopts potassium steel to be formed by lost foam casting; The working face of described tup head is embedded with some ceramic enhancement bar, the end of described ceramic enhancement bar flushes with the working face of described tup head; The shank of described tup is provided with the first installing hole and the second installing hole, and the first described installing hole and the second installing hole are the setting that is connected; Between described head and shank, between the ceramic enhancement bar that is embedded in described head and head, be metallurgical binding.
2. the wear-resisting grinder hammerhead of a kind of adjustable mounting position according to claim 1, is characterized in that: described ceramic stiffener is primarily of TiC, TiB
2/ TiC ceramic particle or TiB
2/ TiN ceramic particle is formed; Combination between described ceramic particle is metallurgical binding.
3. the wear-resisting grinder hammerhead of a kind of adjustable mounting position according to claim 1, is characterized in that: described ceramic stiffener is column structure.
4. the wear-resisting grinder hammerhead of a kind of adjustable mounting position according to claim 1, is characterized in that: the working face of described tup head is arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365549.0U CN204891993U (en) | 2015-05-29 | 2015-05-29 | Wear -resisting crusher hammer of adjustable mounted position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365549.0U CN204891993U (en) | 2015-05-29 | 2015-05-29 | Wear -resisting crusher hammer of adjustable mounted position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204891993U true CN204891993U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365549.0U Expired - Fee Related CN204891993U (en) | 2015-05-29 | 2015-05-29 | Wear -resisting crusher hammer of adjustable mounted position |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907134A (en) * | 2015-05-29 | 2015-09-16 | 芜湖银海机械制造有限公司 | Wear-resisting crusher hammer head with adjustable installation site and manufacture method thereof |
| CN105598369A (en) * | 2016-01-06 | 2016-05-25 | 洛阳市致力新材料有限公司 | Method for producing ceramic particle reinforced bimetal-based hammer with evaporative pattern |
| WO2019201437A1 (en) * | 2018-04-18 | 2019-10-24 | Stahlwerke Bochum Gmbh | Striking tool and rotor fitted with same for a machine for crushing metal objects or rocky materials |
| CN112958222A (en) * | 2020-11-26 | 2021-06-15 | 衡阳鸿宇机械制造有限公司 | Wear-resistant hammer head applied to metallurgical mine machining and machining method |
-
2015
- 2015-05-29 CN CN201520365549.0U patent/CN204891993U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907134A (en) * | 2015-05-29 | 2015-09-16 | 芜湖银海机械制造有限公司 | Wear-resisting crusher hammer head with adjustable installation site and manufacture method thereof |
| CN105598369A (en) * | 2016-01-06 | 2016-05-25 | 洛阳市致力新材料有限公司 | Method for producing ceramic particle reinforced bimetal-based hammer with evaporative pattern |
| CN105598369B (en) * | 2016-01-06 | 2018-03-13 | 洛阳市致力新材料有限公司 | A kind of method of evaporative pattern production ceramic particle enhancing bimetallic base tup |
| WO2019201437A1 (en) * | 2018-04-18 | 2019-10-24 | Stahlwerke Bochum Gmbh | Striking tool and rotor fitted with same for a machine for crushing metal objects or rocky materials |
| CN112958222A (en) * | 2020-11-26 | 2021-06-15 | 衡阳鸿宇机械制造有限公司 | Wear-resistant hammer head applied to metallurgical mine machining and machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |