CN108201923A - A kind of Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof - Google Patents
A kind of Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof Download PDFInfo
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- CN108201923A CN108201923A CN201611163783.0A CN201611163783A CN108201923A CN 108201923 A CN108201923 A CN 108201923A CN 201611163783 A CN201611163783 A CN 201611163783A CN 108201923 A CN108201923 A CN 108201923A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 141
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 31
- 239000000956 alloy Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims description 20
- 239000004576 sand Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 244000035744 Hura crepitans Species 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 229910021538 borax Inorganic materials 0.000 claims description 7
- 239000004328 sodium tetraborate Substances 0.000 claims description 7
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 206010039509 Scab Diseases 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 claims 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical group [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims 1
- 210000000515 tooth Anatomy 0.000 abstract description 113
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 238000007528 sand casting Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 31
- 239000000463 material Substances 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 208000004188 Tooth Wear Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 206010011376 Crepitations Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0036—Casting in, on, or around objects which form part of the product gears
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of Ceramic Composite rod-toothed crusher roller tooths, including roller tooth ontology, ceramic block and wear-resistant alloy layer, the ceramic block castingin is in roller tooth top surface and the forward and backward side of roller tooth, the outer surface protrusion of the ceramic block is except the surface of the roller tooth ontology, gap between the ceramic block and the roller tooth ontology and in addition to the bottom surface of the roller tooth and the remaining surface heap of right side are welded with wear-resistant alloy layer.The preparation flow of Ceramic Composite rod-toothed crusher roller tooth is：It prepares ceramic block and prepares sand casting shake out built-up welding heat treatment.The present invention has the advantages that high rigidity, high abrasion, corrosion-resistant and shock resistance are good using the roller tooth of above-mentioned Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof production, can extend the service life of roller tooth, reduce the labor intensity of worker.
Description
Technical field
The invention belongs to rod-toothed crusher technical field more particularly to a kind of Ceramic Composite rod-toothed crusher roller tooths and its system
Preparation Method.
Background technology
Rod-toothed crusher is suitable for the industries such as coal, metallurgy, mine, chemical industry, building materials, in large coal mine or choosing containing spoil
Coal works raw coal it is broken in be also widely used.Rod-toothed crusher is divided into single-tooth roller, double teeth roller and multi-teeth rollers by discaling roll number
Crusher, it is most with single-tooth roller and double-geared roller crusher application in production.The discaling roll and one that single roll crusher is rotated by one
The crushing shell composition of a arc, double-geared roller crusher are made of the discaling roll of two opposite revolutions.Roller when discaling roll rotates on roll surface
Tooth can bite material and squeezed in roller tooth height crushes material under the action of shearing force, and broken material is with discaling roll
Rotation is excluded from lower part, and double-geared roller crusher has extraordinary for the larger material of viscosity and the smaller material of proportion
Crushing effect.The roller tooth of rod-toothed crusher protrudes outside, and is contacted and crushed with material for a long time, and the abrasion of roller tooth is very tight
Weight, when discaling roll abrasion is more serious, discaling roll roll gap becomes larger, and influences the working efficiency of rod-toothed crusher.The wear-resisting property of roller tooth is determined
Determine the working efficiency of rod-toothed crusher, largely also influence the service life of rod-toothed crusher.
Then traditional discaling roll production method is bolted on roll shaft again using the monoblock cast of roller and roller tooth
On.Discaling roll is complicated, and not only manufacturing process is cumbersome by the way of monoblock cast, but also easily generates defect；And roller tooth
Different with the working method of roller, the required performance having is also different, can not meet roller simultaneously using the method for monoblock cast
The performance requirement of tooth and roller.It is the defects of in order to overcome monoblock cast, now that roller and roller tooth is separately manufactured, because of casting alloy
Wearability it is limited, improve the wear-resisting property of roller tooth frequently with the method for the build-up wear-resistant alloy in position easy to wear in roller tooth.
But be difficult to avoid that in the wearing layer of built-up welding there are crackles and slag inclusion, wearing layer is caused easily to occur under the action of pulsating stress
The problem of cracking and coming off, so as to reduce the service life of roller tooth.
Invention content
The object of the present invention is to provide a kind of Ceramic Composite rod-toothed crusher roller tooths and preparation method thereof, solve discaling roll and crush
The problem of machine roller tooth wear-resisting property is poor, service life is short.
To achieve the above object, the present invention provides a kind of Ceramic Composite rod-toothed crusher roller tooth, including roller tooth ontology, pottery
Porcelain block and wear-resistant alloy layer, the ceramic block castingin are dashed forward in roller tooth top surface and the forward and backward side of roller tooth, the outer surface of the ceramic block
Go out except the surface of the roller tooth ontology, gap between the ceramic block and the roller tooth ontology and in addition to the roller tooth
The remaining surface heap of bottom surface and right side is welded with wear-resistant alloy layer.
Preferably, built-up welding distance of the wear-resistant alloy layer on roller tooth left side is 20~40 millimeters.
Preferably, antifriction alloy is nichrome, and the antifriction alloy layer thickness is 5~10 millimeters.
Preferably, the ceramic block is 30~40 millimeters long, 13~17 millimeters wide, high 22~28 millimeters of cuboid-type.
Preferably, the gap between the ceramic block is 8~13 millimeters, and the height that the ceramic block protrudes roller tooth ontology is
5~10 millimeters.
Preferably, the outer surface of the ceramic block is not higher than the outer surface of the wear-resistant alloy layer.
Preferably, the roller tooth ontology includes the first working face, the second working face and third working face, first work
Ceramic block and ceramic block on the third working face are symmetrical on face, and ceramic block spacing is not more than institute on first working face
State ceramic block spacing on the second working face.
Preferably, the level on the third working face between the central axes of the first ceramic block and the second ceramic block longitudinal section
Distance is 3~5 millimeters.
The present invention also provides a kind of preparation method of Ceramic Composite rod-toothed crusher roller tooth, including：
Step 1：Prepare ceramic block, by ceramics segmentation grow up 30~40 millimeters, it is 13~17 millimeters wide, 22~28 millimeters high
Cuboid-type, on ceramic block wear surface welding on steel nail, then ceramic block is cleaned out, the surface of ceramic block apply
Smear nickel：Borax：Water weight ratio is 1:4:5 nickeliferous supersaturated borax soln, ceramic block is dried for use；
Step 2: preparing sand mold, mold is embedded to sandbox, makes cavity, the ceramic block after drying is fixed on by steel nail
In sand mold, position is corresponding with ceramic block position in casting；Step 3: casting, preceding hot wind of casting will be fixed with ceramics
The sand mold of block is heated to 350 DEG C or more, then pours into melted molten metal in the sand mold of heated mistake, and cast temperature is
1450~1550 DEG C；
Step 4: shake out, after the sandbox after the completion of casting is cooled to below 300 DEG C, carries out shake out, knockout, Ran Houqing
Except the scab of cast(ing) surface, the steel nail on running and feeding system and ceramic block is cut off；
Step 5: build-up wear-resistant layer, gap and roller tooth between the roller tooth ontology and ceramic block after grinding process
Build-up wear-resistant alloy-layer on forward and backward side and roller tooth left side；
Step 6: heat treatment, heap is welded with the roller tooth of wear-resistant alloy layer, and that 2~3 are kept the temperature at a temperature of 400~500 DEG C is small
When, carry out tempering heat treatment.
Therefore, the present invention can be solved discaling roll and be broken using above-mentioned Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof
The problem of broken machine roller tooth wear-resisting property is poor, service life is short.The invention has the beneficial effects that in traditional rod-toothed crusher roller
The ceramic block that castingin hardness is high on the metallic matrix of tooth, wearability is good, and the gap Nei Dui between ceramic block and metallic matrix
It burn-ons wear-resistant alloy layer, while rod-toothed crusher roller tooth core metal matrix excellent toughness is ensured, roller tooth table can be improved
The wear-resisting property in face.Had using the roller tooth of Ceramic Composite rod-toothed crusher roller tooth preparation method of the present invention production high hard
Degree, high abrasion, corrosion-resistant and shock proof advantage extend the service life of roller tooth, reduce the labor intensity of worker.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Fig. 1 is a kind of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment roller tooth structural representation
Figure；
Fig. 2 is that a kind of roller tooth right side of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment regards signal
Figure；
Fig. 3 is amplifies at A in a kind of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment attached drawing 2
Figure；
Fig. 4 is a kind of section signal of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment roller tooth
Figure；
Reference numeral
1st, roller tooth ontology；2nd, ceramic block；3rd, wear-resistant alloy layer；4th, roller tooth left side；5th, roller tooth top surface；6th, the first work
Face；7th, the second working face；8th, third working face；9th, the first ceramic block；10th, the second ceramic block.
Specific embodiment
Below with reference to attached drawing, the invention will be further described, it should be noted that following embodiment is with this technology
Premised on scheme, give detailed embodiment and specific operating process, but protection scope of the present invention be not limited to
Lower embodiment.
Fig. 1 is a kind of structural representation of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment roller tooth
Figure, Fig. 2 are that a kind of right side of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment roller tooth regards schematic diagram, figure
3 be enlarged drawing at A in a kind of Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof embodiment attached drawing 2, and Fig. 4 is this
Invent a kind of schematic cross-section of Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof embodiment roller tooth.As shown in Figure 1, Figure 2, scheme
Shown in 3 and Fig. 4, a kind of Ceramic Composite rod-toothed crusher roller tooth, including roller tooth ontology 1, ceramic block 2 and wear-resistant alloy layer 3.Ceramics
Block 2 is 30~40 millimeters long, 13~17 millimeters wide, high 22~28 millimeters of cuboid-type.2 castingin of ceramic block is in roller tooth top surface 5
With the forward and backward side of roller tooth, as wear surface, roller tooth is made pottery on forward and backward side on length × wide surface of ceramic block 2 on roller tooth top surface 5
The length of porcelain block 2 × high surface is as wear surface.The wear surface protrusion of ceramic block 2 is prominent except the surface of roller tooth ontology 1
Height be 5~10 millimeters, preferably 8 millimeters.Gap between ceramic block 2 and roller tooth ontology 1 and in addition to roller tooth bottom surface and
The remaining surface heap of right side is welded with wear-resistant alloy layer 3, and antifriction alloy is preferably nichrome, and built-up welding thickness is 5~10 millimeters,
Preferably 8 millimeters.Built-up welding distance of the wear-resistant alloy layer 3 on roller tooth left side 4 is 20~40 millimeters, preferably 30 millimeters；Roller
Whole heaps are burn-on wear-resistant alloy layer 3 on the forward and backward side of tooth.Roller tooth ontology 1 includes the first working face 6, the second working face 7 and third
Working face 8, ceramic block 2 and ceramic block 2 on third working face 8 are symmetrical on the first working face 6, ceramic on the first working face 6
2 spacing of block is no more than 2 spacing of ceramic block on the second working face 7.First ceramic block 92 on first working face 6 and third working face 8
Horizontal distance between 102 central axes of the second ceramic block is 3~5 millimeters.This is because there is certain radian at the top of roller tooth,
First working face 6 and third working face 8 in material shattering process material is applied close to the position of the second working face 7 shearing and
Extruding force, therefore abrasion is more serious, ceramic block 2 must be reasonably laid out at this, when the first ceramic block 9 and the second ceramics
When horizontal distance between the central axes of 10 longitudinal section of block is 3~5 millimeters, it can ensure preferable wear-resisting property herein.Ceramics
Gap between block 2 is 8~13 millimeters, and 2 spacing of ceramic block is preferably 10 millimeters on the first working face 6 and third working face 8, the
2 spacing of ceramic block is preferably 10~12 millimeters on two working faces 7.Rod-toothed crusher roller tooth plays main broken work during the work time
It is the top of roller tooth, therefore the vertex abrasion of roller tooth is more serious, ceramic block on castingins whole on roller tooth top surface 5 of the invention
2, only ceramic embedded piece 2 of the top of the forward and backward side of roller tooth, in the upper of the lower part of the forward and backward side of roller tooth and roller tooth left side 4
Portion's heap is burn-on wear-resistant alloy layer 3, under the premise of roller tooth service life is ensured, can be reduced the use of ceramic block 2, be simplified production
Technique reduces material cost.
Embodiment one
The sand mould casting method of the Ceramic Composite rod-toothed crusher roller tooth, including：
Step 1：Prepare ceramic block.By ceramics segmentation grow up 30~40 millimeters, it is 13~17 millimeters wide, 22~28 millimeters high
Cuboid-type, on 2 wear surface of ceramic block welding on steel nail, then ceramic block 2 is cleaned out.In the table of ceramic block 2
Smear nickel in face：Borax：Water weight ratio is 1:4:5 nickeliferous supersaturated borax soln, addition nickel powder can improve gold in borax
Belong to the wellability between liquid and ceramic block 23, increase mobility of the molten metal on ceramic block 23, make rolled mortar wall 1 and crushing wall 2
Good metallurgical binding face can be formed between ceramic block 23, avoids the formation of slag inclusion and stomata.The drying of ceramic block 2 is treated
With.
Step 2: prepare sand mold.Mold is embedded to sandbox, cavity is made, the ceramic block 2 after drying is fixed by steel nail
In sand mold, position is corresponding with 2 position of ceramic block in casting, and steel nail plays fixed ceramic block 2, prevents from casting
Ceramic block 2 shifts in journey.High-temperature resistant coating is brushed in cavity, cavity is placed in heating furnace and is dried for use.
Step 3: casting.Component requirements according to roller tooth carry out proportioning melting, and preceding hot wind of casting will be fixed with ceramic block
2 sand mold is heated to 350 DEG C or more, then mould assembly, melted molten metal is poured into heated cavity, completes casting.
The temperature of molten metal casting will be controlled between 1450 DEG C~1550 DEG C.Cavity can be excluded to sand mold Hot-blast Heating before casting
In moisture, reduce the temperature difference between molten metal and ceramic block 2, reduce condensation rate of the molten metal at 2 interface of ceramic block, because
, when being contacted after high temperature metal liquid flows into cavity with the ceramic block 2 after heating, interface will not generate cold shut defect for this.Ceramics
Block 2 absorbs heat from high temperature fluent metal, and interface ceramic block 2 is made to become molten condition, the hard particles on 2 surface layer of ceramic block
It is diffused into one another with phase molecule is bonded with high-temp liquid metallic molecule, forms metallurgy after cooling between roller tooth ontology 1 and ceramic block 2
Binder course, metallurgical bonding layer ensure that the bond strength between roller tooth ontology 1 and ceramic block 2.
Step 4: shake out.After the sandbox after the completion of casting is cooled to below 300 DEG C, shake out, knockout are carried out, is made pottery
The compound roller tooth of porcelain, then cuts off the steel nail on running and feeding system and ceramic block 2, the scab of kicker cylinder tooth surface, and by roller tooth
Surface polishes flat.
Step 5: build-up wear-resistant layer.Gap and roller tooth between the roller tooth ontology 1 after grinding process and ceramic block 2
Forward and backward side and roller tooth left side 4 on build-up wear-resistant alloy-layer 3, during build-up wear-resistant alloy-layer 3 can not continuous sequence, in roller
Tooth needs to have welded the welding for carrying out the second layer after one layer again in the region of build-up wear-resistant alloy-layer 3 completely, successively until resistance to
The completion of break-in layer gold 3.
Step 6: heat treatment.Heap is welded with the roller tooth of wear-resistant alloy layer 3, and that 2~3 are kept the temperature at a temperature of 400~500 DEG C is small
When, carry out tempering heat treatment.The purpose of temper is the precipitation in order to promote carbon atom, improves roller tooth and wear-resistant alloy layer
Plasticity and toughness, avoid because wear-resistant alloy layer 3 brittleness greatly caused by come off chip off-falling under greater impact effect, have both roller tooth excellent
The characteristics of different wearability and plasticity and toughness.
Embodiment two
The preparation of above-mentioned Ceramic Composite roller tooth crusher roller tooth can be equally completed using the method for lost foam casting.Its with
Sand mould casting method the difference lies in：The position that ceramic block 2 is distributed in the foamed model of roller tooth when preparing sand mold is dug and pottery
The hole that porcelain block 2 coordinates, ceramic block 2 is positioned in the hole；Without being preheated to sandbox during casting, and molten metal is directly poured into sand
In case.
Therefore, the present invention is using above-mentioned Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof, in roller tooth metallic matrix
On be inlaid into the ceramic material that hardness is high, wear-resisting property is good, and in one layer of wear-resistant alloy layer 3 of appearance surface build-up welding of roller tooth, can be with
The hardness and wearability of rod-toothed crusher roller tooth are greatly improved, so as to improve its service life.Using above-mentioned preparation method system
Standby Ceramic Composite rod-toothed crusher roller tooth, forms good metallurgical binding face, without slag inclusion between ceramic block 2 and metallic matrix
And the defects of stomata, exists.The roller tooth prepared using Ceramic Composite rod-toothed crusher roller tooth of the present invention and preparation method thereof
Have the advantages that high rigidity, high abrasion, corrosion-resistant and shock resistance are good, extend the service life of roller tooth, reduce worker
Labor intensity, service life is 1.5~1.7 times that only heap is welded with 3 roller tooth of wear-resistant alloy layer.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Technical scheme of the present invention can be so modified or replaced equivalently, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (9)
1. a kind of Ceramic Composite rod-toothed crusher roller tooth, it is characterised in that：Including roller tooth ontology (1), ceramic block (2) and resistance to break-in
Layer gold (3), ceramic block (2) castingin are dashed forward in roller tooth top surface (5) and the forward and backward side of roller tooth, the outer surface of the ceramic block (2)
Go out except the surface of the roller tooth ontology (1), gap between the ceramic block (2) and the roller tooth ontology (1) and in addition to
The bottom surface of the roller tooth and the remaining surface heap of right side are welded with wear-resistant alloy layer (3).
2. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：The wear-resistant alloy layer
(3) the built-up welding distance on roller tooth left side (4) is 20~40 millimeters.
3. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：Antifriction alloy is nickel chromium triangle
Alloy, the antifriction alloy layer thickness are 5~10 millimeters.
4. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：The ceramic block (2)
To be 30~40 millimeters long, 13~17 millimeters wide, high 22~28 millimeters of cuboid-type.
5. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：The ceramic block (2)
Between gap for 8~13 millimeters, the height of the prominent roller tooth ontology (1) of the ceramic block (2) is 5~10 millimeters.
6. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：The ceramic block (2)
Outer surface be not higher than the wear-resistant alloy layer (3) outer surface.
7. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 1, it is characterised in that：The roller tooth ontology
(1) including the first working face (6), the second working face (7) and third working face (8), ceramic block on first working face (6)
(2) symmetrical with ceramic block (2) on the third working face (8), ceramic block (2) spacing is not on first working face (6)
Ceramic block (2) spacing on second working face (7).
8. a kind of Ceramic Composite rod-toothed crusher roller tooth according to claim 7, it is characterised in that：The third working face
(8) horizontal distance between the central axes of the first ceramic block (9) and the second ceramic block (10) longitudinal section is 3~5 millimeters.
9. a kind of preparation method of Ceramic Composite rod-toothed crusher roller tooth as described in claim 1~8, it is characterised in that：
Step 1: prepare ceramic block, ceramics segmentation is grown up 30~40 millimeters, 13~17 millimeters wide, high 22~28 millimeters of length
Cube type welds upper steel nail on ceramic block (2) wear surface, then cleans out ceramic block (2), in ceramic block (2)
Surface smear nickel：Borax：Water weight ratio is 1:4:5 nickeliferous supersaturated borax soln, ceramic block (2) is dried for use；
Step 2: preparing sand mold, mold is embedded to sandbox, makes cavity, the ceramic block (2) after drying is fixed on sand by steel nail
In type, position is corresponding with ceramic block in casting (2) position；
Step 3: casting, the sand mold for being fixed with ceramic block (2) is heated to 350 DEG C or more by preceding hot wind of casting, then by melting
Good molten metal is poured into the sand mold of heated mistake, and cast temperature is 1450~1550 DEG C；
Step 4: shake out, after the sandbox after the completion of casting is cooled to below 300 DEG C, carries out shake out, knockout, then removes casting
The scab on part surface cuts off the steel nail on running and feeding system and ceramic block (2)；
Step 5: build-up wear-resistant layer, gap and roller tooth between the roller tooth ontology (1) after grinding process and ceramic block (2)
Forward and backward side and roller tooth left side (4) on build-up wear-resistant alloy-layer (3)；
Step 6: heat treatment, heap is welded with the roller tooth of wear-resistant alloy layer (3), and that 2~3 are kept the temperature at a temperature of 400~500 DEG C is small
When, carry out tempering heat treatment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163783.0A CN108201923B (en) | 2016-12-16 | 2016-12-16 | A kind of preparation method of Ceramic Composite rod-toothed crusher roller tooth |
| AU2017279585A AU2017279585B2 (en) | 2016-12-16 | 2017-12-18 | A type of ceramic composite tooth on roller crushers and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163783.0A CN108201923B (en) | 2016-12-16 | 2016-12-16 | A kind of preparation method of Ceramic Composite rod-toothed crusher roller tooth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108201923A true CN108201923A (en) | 2018-06-26 |
| CN108201923B CN108201923B (en) | 2019-10-18 |
Family
ID=62601241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611163783.0A Active CN108201923B (en) | 2016-12-16 | 2016-12-16 | A kind of preparation method of Ceramic Composite rod-toothed crusher roller tooth |
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| CN (1) | CN108201923B (en) |
| AU (1) | AU2017279585B2 (en) |
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| CN108816356A (en) * | 2018-08-02 | 2018-11-16 | 合肥开比锐精机科技有限公司 | A kind of efficiently low-loss roll-type polysilicon and monocrystalline silicon silicon material crushing device |
| CN109731635A (en) * | 2019-03-05 | 2019-05-10 | 郑州机械研究所有限公司 | A kind of wear-resisting compression roller |
| CN113718175A (en) * | 2021-09-02 | 2021-11-30 | 常熟市电力耐磨合金铸造有限公司 | Metal ceramic inlaid composite roller |
| CN114375228A (en) * | 2019-11-26 | 2022-04-19 | 蒂森克虏伯工业解决方案股份公司 | Wear element for a comminution device |
| CN114411156A (en) * | 2022-01-21 | 2022-04-29 | 中国矿业大学 | Preparation method of wear-resistant casting for complex conditions and wear-resistant casting |
| CN114472856A (en) * | 2022-04-14 | 2022-05-13 | 唐山贵金甲科技有限公司 | Roller tooth sleeve of steel slag treatment crushing roller press and production process |
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| CN2220896Y (en) * | 1993-11-30 | 1996-02-28 | 吴英华 | Compound wear-resisting hammer |
| CN105780843A (en) * | 2016-04-21 | 2016-07-20 | 张景志 | Composite embedding electric bucket tooth and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108816356A (en) * | 2018-08-02 | 2018-11-16 | 合肥开比锐精机科技有限公司 | A kind of efficiently low-loss roll-type polysilicon and monocrystalline silicon silicon material crushing device |
| CN109731635A (en) * | 2019-03-05 | 2019-05-10 | 郑州机械研究所有限公司 | A kind of wear-resisting compression roller |
| CN114375228A (en) * | 2019-11-26 | 2022-04-19 | 蒂森克虏伯工业解决方案股份公司 | Wear element for a comminution device |
| CN113718175A (en) * | 2021-09-02 | 2021-11-30 | 常熟市电力耐磨合金铸造有限公司 | Metal ceramic inlaid composite roller |
| CN114411156A (en) * | 2022-01-21 | 2022-04-29 | 中国矿业大学 | Preparation method of wear-resistant casting for complex conditions and wear-resistant casting |
| CN114411156B (en) * | 2022-01-21 | 2024-03-19 | 中国矿业大学 | Preparation method of wear-resistant casting for complex conditions and wear-resistant casting |
| CN114472856A (en) * | 2022-04-14 | 2022-05-13 | 唐山贵金甲科技有限公司 | Roller tooth sleeve of steel slag treatment crushing roller press and production process |
| CN114472856B (en) * | 2022-04-14 | 2022-06-28 | 唐山贵金甲科技有限公司 | Roller tooth sleeve of steel slag treatment crushing roller press and production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108201923B (en) | 2019-10-18 |
| AU2017279585A1 (en) | 2018-07-05 |
| AU2017279585B2 (en) | 2019-12-19 |
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Denomination of invention: A preparation method for the roller teeth of a ceramic composite toothed roller crusher Granted publication date: 20191018 Pledgee: Hebei Shexian Rural Commercial Bank Co.,Ltd. Pledgor: HANDAN SHIWEI NEW MATERIAL CO.,LTD. Registration number: Y2024980018028 |