CN114101682B - Manufacturing method of bimetal composite wear-resistant plate - Google Patents
Manufacturing method of bimetal composite wear-resistant plate Download PDFInfo
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- CN114101682B CN114101682B CN202111447857.4A CN202111447857A CN114101682B CN 114101682 B CN114101682 B CN 114101682B CN 202111447857 A CN202111447857 A CN 202111447857A CN 114101682 B CN114101682 B CN 114101682B
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- 239000002131 composite material Substances 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 175
- 230000006698 induction Effects 0.000 claims abstract description 91
- 238000010438 heat treatment Methods 0.000 claims abstract description 89
- 239000002245 particle Substances 0.000 claims abstract description 49
- 239000000843 powder Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000012216 screening Methods 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000008187 granular material Substances 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 31
- 239000011449 brick Substances 0.000 claims description 24
- 239000011651 chromium Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 15
- 229910052804 chromium Inorganic materials 0.000 claims description 14
- 238000011049 filling Methods 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 238000005422 blasting Methods 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002923 metal particle Substances 0.000 claims description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 6
- 239000000788 chromium alloy Substances 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000002905 metal composite material Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
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- 239000011572 manganese Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
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- 229910052717 sulfur Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1053—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by induction
Abstract
The invention provides a manufacturing method of a bimetal composite wear-resistant plate. The manufacturing method of the bimetal composite wear-resistant plate comprises the following steps of preparing materials for preparing the bimetal composite wear-resistant plate: a base plate, wear-resistant granular material and composite wear-resistant plate manufacturing device; the composite wear-resisting plate manufacturing device comprises a substrate conveying unit, screening equipment, transition equipment, collecting equipment, an induction heating furnace, powder conveying equipment and a control unit, wherein the substrate conveying unit, the screening equipment, the transition equipment, the collecting equipment, the induction heating furnace, the powder conveying equipment and the control unit are arranged on an operating platform, the substrate conveying unit comprises a square conveying basket, a conveying arm and a conveying skip, and the square conveying basket is arranged on the conveying arm. The manufacturing method of the bimetal composite wear-resistant plate provided by the invention has the advantages of easiness in operation, high preparation efficiency, capability of effectively solving the problems of cracks, deformation and high-temperature decomposition of hard particles of the conventional build-up welding method for preparing the metal wear-resistant plate, no deformation and no crack of the prepared bimetal composite wear-resistant plate, reliable quality of the wear-resistant plate, wide industrial application market and remarkable economic and social benefits.
Description
Technical Field
The invention belongs to the technical field of wear plates, and particularly relates to a manufacturing method of a bimetal composite wear plate.
Background
The bimetal multi-layer wear-resistant steel plate is a plate product specially used for large-area wear working conditions, and is a plate product prepared by compounding a wear-resistant layer with high hardness and excellent wear resistance with a certain thickness on the surface of common low-carbon steel or low-alloy steel with good toughness and plasticity by a surfacing method;
through searching and authorizing the patent document with publication number CN104249504B, disclosed is a compound wear-resisting lining plate, make its wear-resisting alloy and method for making it, this compound wear-resisting lining plate is compounded by wearing layer and basic unit, wherein wearing alloy that wearing layer adopts is mixed by Cr, C, S i, mn, S, P, mo, N i, cu, re and Fe, and this compound wear-resisting lining plate manufacturing approach, mainly wear-resisting layer and basic unit's material divide the furnace to smelt, then cast and shape, the compound wear-resisting plate of this structure has good wear resistance, the adhesiveness between the compound layers of compound wear-resisting lining plate made by this method is high, greatly improve the life of compound wear-resisting lining plate;
in the related art, a manufacturing process method of a composite wear-resistant lining plate is disclosed, which comprises the following steps: placing one or more metal and nonmetal materials in a heating container, and uniformly mixing; heating the resulting mixed material to a temperature at which at least one of the materials is completely melted; fully stirring the melted material and the unmelted material to obtain a mixture; preheating the mold to a temperature approaching the full melting temperature of one of the materials; pouring the obtained mixture into a mold, and covering a mold cover; the mould rotates and vibrates through a mechanical device to uniformly mix materials in the mould; pressurizing an upper portion thereof; the pressure of the die is kept unchanged, and the temperature of the die is gradually reduced; after the temperature of the die is reduced to normal temperature, standing for a period of time to fully cool the die; the die cover is opened, and the composite wear-resistant lining plate is obtained, so that the problems of low bonding strength, narrow application range and the like of the existing composite wear-resistant lining plate are solved.
However, the above-described structure has a disadvantage in that the processing of the substrate used before the fabrication is not involved in the fabrication of the body, and the body which is not inspected is directly used for the fabrication of the body, and the fabricated body is also failed due to the failure of the substrate, thereby wasting resources.
Therefore, there is a need to provide a new manufacturing method of a bimetal composite wear plate to solve the above technical problems
Disclosure of Invention
The invention solves the technical problems of easy operation, high preparation efficiency, capability of effectively solving the problems of cracks, deformation, high-temperature decomposition of hard particles and the like of the conventional surfacing method for preparing the metal wear-resistant plate, no deformation and no crack of the prepared bimetal composite wear-resistant plate, reliable quality of the wear-resistant plate, wide industrial application market and obvious economic and social benefits.
In order to solve the technical problems, the manufacturing method of the bimetal composite wear-resistant plate provided by the invention comprises the following steps of preparing materials for preparing the bimetal composite wear-resistant plate:
a base plate, wear-resistant granular material and composite wear-resistant plate manufacturing device;
the composite wear-resisting plate manufacturing device comprises a substrate conveying unit, screening equipment, transition equipment, collecting equipment, an induction heating furnace, powder feeding equipment and a control unit, wherein the substrate conveying unit is arranged on an operating platform and comprises a square conveying basket, a conveying arm and a conveying skip car, the square conveying basket is arranged on the conveying arm, the conveying arm is arranged on the conveying skip car, a shot blasting machine set, a screening machine set and a material turning machine set are arranged in the screening equipment, a rolling hole set is arranged in the induction heating furnace, a door opening set is arranged on the induction heating furnace, and a flattening machine set is arranged in the powder feeding equipment;
the door opening unit comprises a first control box which is fixedly arranged at the top of the induction heating furnace, a first furnace door is arranged on the induction heating furnace, a second control box is fixedly arranged at the top of the induction heating furnace, and a second furnace door is arranged on the induction heating furnace;
the roll hole unit comprises a transverse rotating shaft, the transverse rotating shaft is arranged in an induction heating furnace, a roll hole roller is fixedly sleeved on the transverse rotating shaft, a plurality of high-temperature-resistant refractory plate bricks are arranged in the induction heating furnace, the high-temperature-resistant refractory plate bricks are positioned below the roll hole roller, and a plurality of roll hole blocks are arranged on the roll hole roller;
the manufacturing method of the specific bimetal composite wear-resistant plate comprises the following steps:
s1: the substrate is conveyed through a substrate conveying unit, and is conveyed into screening equipment for screening operation, if the size of the substrate is qualified, shot blasting treatment is carried out, rust and oil stains on the surface of the substrate are removed, and then the substrate is turned into transition equipment;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I through a control box I, conveying the substrate into an induction heating furnace, horizontally placing the substrate in the induction heating furnace, wherein a high-temperature-resistant refractory plate brick is arranged in the induction heating furnace, and starting a control unit for starting the induction heating furnace to continuously heat the substrate until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: rolling pits with different sizes on the upper surface of the substrate by rolling the whole upper surface of the substrate under the mutual matching of a hole-rolling roller and a high-temperature-resistant refractory plate brick;
s4, opening a furnace door II on the induction heating furnace through a control box II, transferring the heated substrate into powder feeding equipment, filling wear-resistant granular materials with unequal particle sizes into pits on the upper surface of the substrate, and carrying out flattening working procedures after filling by using the powder feeding equipment, wherein the filled wear-resistant granular materials are basically consistent with the height of the substrate, and flattening the upper surface of the substrate to ensure that the upper surface of the substrate is kept flat;
s5: and then continuously pushing the substrate with the wear-resistant granular material into an induction heating furnace, closing the induction heating furnace, keeping the composite wear-resistant plate warm and slowly cooling along with the induction furnace, cooling to room temperature, taking out the composite wear-resistant plate, and then forming the composite wear-resistant plate to prepare the non-deformation non-crack double-metal composite wear-resistant plate with hard alloy particles on the surface and flat surfaces.
As a further scheme of the invention, the wear-resistant particle material is selected from high-chromium high-manganese alloy powder particles, hard metal particles or hard ceramic particles, and the high-carbon high-chromium alloy powder particles comprise the following components in percentage by mass: 2.0 to 5.0 percent of C, 18 to 30 percent of Cr, 0.2 to 1.0 percent of Mn, 0.4 to 0.8 percent of S i, 1.8 to 2.2 percent of N i, 2 to 5 percent of Nb and the balance of Fe, wherein the granularity of the alloy powder is 80 to 300 mu m; the diameter of the rolling hole blocks is in the range of 0.5-1.0 mm, and a plurality of rolling hole blocks are distributed in an annular array.
As a further scheme of the invention, the substrate is made of a low alloy steel material.
As a further scheme of the invention, the high-temperature-resistant refractory plate brick is equivalent to the length and width dimensions of the base plate.
As a further proposal of the invention, the pit diameter is in the range of 0.5 to 1.0mm, the pit depth is in the range of 0.5 to 1.0mm,
as a further aspect of the present invention, the heating temperature of the induction heating furnace is in a range of 850 to 950 ℃.
Compared with the related art, the manufacturing method of the bimetal composite wear-resistant plate provided by the invention has the following beneficial effects:
the invention provides a manufacturing method of a bimetal composite wear-resistant plate, which comprises the following steps: experiments prove that the prepared bimetal composite wear-resistant plate has flat surface, no cracks and no thermal deformation, maintains the original high wear resistance of hard particles on the upper surface of the composite wear-resistant plate, ensures that the content of hard alloy wear-resistant particles of a wear-resistant functional layer reaches more than 90%, can completely ensure the quality of the bimetal composite wear-resistant plate, improves the wear resistance by more than 5 times, has remarkable actual use effect, adopts low-alloy steel Q345 with low cost chromium as a substrate, has high cost performance, is easy to popularize and apply industrially, and has huge economic and social benefits.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic perspective view of a manufacturing method of a dual metal composite wear plate according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a partial perspective structure in the present invention;
fig. 3 is a schematic view showing a partial sectional structure of an induction heating furnace according to the present invention.
In the figure: 1. an operation table; 2. a substrate transfer unit; 3. a screening device; 4. a transition device; 5. a collection device; 6. an induction heating furnace; 601. a first control box; 602. a furnace door I; 603. a second control box; 604. a second furnace door; 605. a hole rolling roller; 606. high temperature resistant refractory plate brick; 7. powder feeding equipment; 8. and controlling the unit.
Detailed Description
Referring to fig. 1 to 3 in combination, fig. 1 is a schematic perspective view illustrating a manufacturing method of a bimetal composite wear plate according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of a partial perspective structure in the present invention; fig. 3 is a schematic view showing a partial sectional structure of an induction heating furnace according to the present invention. The manufacturing method of the bimetal composite wear plate comprises the following steps of preparing materials for preparing the bimetal composite wear plate: a base plate, wear-resistant granular material and composite wear-resistant plate manufacturing device;
the composite wear-resisting plate manufacturing device comprises a substrate conveying unit 2, a screening device 3, a transition device 4, a collecting device 5, an induction heating furnace 6, a powder feeding device 7 and a control unit 8 which are arranged on an operating platform 1, wherein the substrate conveying unit 2 comprises a square conveying basket, a conveying arm and a conveying skip car, the square conveying basket is arranged on the conveying arm, the conveying arm is arranged on the conveying skip car, a shot blasting machine set, a screening unit and a material turning machine set are arranged in the screening device 3, a rolling hole set is arranged in the induction heating furnace 6, a door opening set is arranged on the induction heating furnace 6, and a flattening set is arranged in the powder feeding device 7;
the door opening unit 6 comprises a first control box 601, the first control box 601 is fixedly arranged at the top of the induction heating furnace 6, a first furnace door 602 is arranged on the induction heating furnace 6, a second control box 603 is fixedly arranged at the top of the induction heating furnace 6, and a second furnace door 604 is arranged on the induction heating furnace 6;
the hole rolling unit comprises a transverse rotating shaft, the transverse rotating shaft is arranged in an induction heating furnace 6, a hole rolling roller 605 is fixedly sleeved on the transverse rotating shaft, a plurality of high-temperature-resistant refractory plate bricks 606 are arranged in the induction heating furnace 6, the high-temperature-resistant refractory plate bricks 606 are positioned below the hole rolling roller 605, and a plurality of hole rolling blocks are arranged on the hole rolling roller 605;
the manufacturing method of the specific bimetal composite wear-resistant plate comprises the following steps:
s1: the substrate is conveyed through a substrate conveying unit 2, is conveyed into screening equipment 3, and is subjected to screening operation, if the size of the substrate is qualified, shot blasting treatment is performed to remove rust and greasy dirt on the surface of the substrate, and then the substrate is turned into transition equipment 4;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment 5 for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I602 through a control box I601, conveying the substrate into an induction heating furnace 6, horizontally placing the substrate in the induction heating furnace 6, wherein a high-temperature-resistant refractory plate brick 606 is arranged in the induction heating furnace 6, and starting a control unit 8 for starting the induction heating furnace 6 to continuously heat the substrate until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: rolling pits with different sizes on the upper surface of the substrate by rolling the whole upper surface of the substrate under the mutual matching of the roller 605 and the high-temperature-resistant refractory plate brick 606;
s4, opening a furnace door II 604 on the induction heating furnace 6 through a control box II 603, transferring the heated substrate into a powder feeding device 7, filling wear-resistant particle materials with unequal particle sizes into pits on the upper surface of the substrate, and carrying out a flattening process after filling by using the powder feeding device 7, wherein the filled wear-resistant particle materials are basically consistent with the height of the substrate, and flattening the upper surface of the substrate to keep the upper surface of the substrate flat;
s5: and then continuously pushing the substrate with the high-chromium high-manganese alloy powder particles into an induction heating furnace 6, closing the induction heating furnace 6, keeping the composite wear-resistant plate at the temperature of the induction furnace 6, slowly cooling to room temperature, taking out the composite wear-resistant plate, and then forming the composite wear-resistant plate to prepare the non-deformation non-crack composite wear-resistant plate with the hard alloy particles on the surface and with a flat surface.
The wear-resistant particle material is selected from high-chromium high-manganese alloy powder particles, hard metal particles or hard ceramic particles, wherein the high-carbon high-chromium alloy powder particles comprise the following components in percentage by mass: 2.0 to 5.0 percent of C, 18 to 30 percent of Cr, 0.2 to 1.0 percent of Mn, 0.4 to 0.8 percent of Si, 1.8 to 2.2 percent of Ni, 2 to 5 percent of Nb and the balance of Fe, and the granularity of alloy powder is 80 to 300 mu m; the diameter of the rolling hole blocks is in the range of 0.5-1.0 mm, and a plurality of rolling hole blocks are distributed in an annular array.
The substrate is made of low alloy steel materials.
The refractory plate brick 606 is comparable to the length and width dimensions of the base plate.
The pit diameter is 0.5 to 1.0mm, the pit depth is 0.5 to 1.0mm,
the heating temperature of the induction heating furnace 6 is in the range of 850 to 950 ℃.
Example 1:
in the specific implementation process, the manufacturing method of the bimetal composite wear-resistant plate comprises the following steps of:
s1: the substrate is conveyed by a substrate conveying unit 2, the substrate is made of a low alloy steel material Q345, and the substrate is of a size of length, width and thickness: 1200mm multiplied by 800mm multiplied by 45mm, the substrate is transferred into the screening equipment 3 and then is screened, if the substrate is qualified in size, shot blasting treatment is carried out, rust and greasy dirt on the surface of the substrate are removed, and then the substrate is turned into the transition equipment 4;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment 5 for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I602 through a control box I601, conveying the substrate into an induction heating furnace 6, horizontally placing the substrate in the induction heating furnace 6, wherein a high-temperature-resistant refractory plate brick 606 is arranged in the induction heating furnace 6, starting a control unit 8 and is used for starting the induction heating furnace 6 to continuously heat the substrate, adjusting the voltage and the current, adjusting the voltage 480V, gradually adjusting the current to 180A, stopping increasing the current when the temperature is adjusted to about 900 ℃, and keeping the current unchanged until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: by rolling the whole upper surface of the substrate by using the hole-rolling roller 605 and the high-temperature-resistant refractory plate brick 606 to match with each other, pits with different sizes are rolled on the upper surface of the substrate, the pit depth is 0.7mm, and the pit depth is 0.7mm.
S4, opening a second furnace door 604 on the induction heating furnace 6 through a second control box 603, transferring the heated substrate into powder feeding equipment 7, and filling high-chromium high-manganese alloy powder particles into pits on the upper surface of the substrate, wherein the high-carbon high-chromium alloy powder comprises the following components in percentage by mass: 3.50% of C, 25% of Cr, 0.7% of Mn, 0.6% of S i, 1.9% of N i, 2% of Nb and the balance of Fe, wherein the high-chromium high-manganese alloy powder particles are 180 mu m, the filled wear-resistant particle materials are basically kept to be consistent with the height of the substrate by using a powder feeding device 7, and flattening the upper surface of the substrate after filling, so that the micro-melt on the upper surface of the substrate wraps the wear-resistant material particles;
s5: and then continuously pushing the substrate with the high-chromium high-manganese alloy powder particles into an induction heating furnace 6, closing the induction heating furnace 6, carrying out heat preservation and slow cooling on the wear-resistant composite board along with the induction furnace 6, cooling to room temperature, taking out the wear-resistant composite board, and then forming the bimetal composite wear-resistant board to prepare the deformation-free crack-free bimetal composite wear-resistant board with hard alloy particles on the surface and flat surface.
Example 2:
in the specific implementation process, the manufacturing method of the bimetal composite wear-resistant plate comprises the following steps of:
s1: the substrate is conveyed by a substrate conveying unit 2, the substrate is made of a low alloy steel material Q345, and the substrate is of a size length multiplied by a width multiplied by a thickness: after the substrate is transferred into the screening equipment 3, screening operation is carried out, if the size of the substrate is qualified, shot blasting treatment is carried out, rust and greasy dirt on the surface of the substrate are removed, and then the substrate is turned into the transition equipment 4;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment 5 for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I602 through a control box I601, conveying the substrate into an induction heating furnace 6, horizontally placing the substrate in the induction heating furnace 6, wherein a high-temperature-resistant refractory plate brick 606 is arranged in the induction heating furnace 6, starting a control unit 8 and is used for starting the induction heating furnace 6 to continuously heat the substrate, adjusting the voltage and the current, adjusting the voltage 485V, gradually adjusting the current to 170A, stopping increasing the current when the temperature is adjusted to about 880 ℃, and keeping the current unchanged until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: by rolling the whole upper surface of the substrate by using the hole-rolling roller 605 and the high-temperature-resistant refractory plate brick 606 to match with each other, pits with different sizes are rolled on the upper surface of the substrate, the pit depth is 0.8mm, and the pit depth is 0.8mm.
S4, opening a second furnace door 604 on the induction heating furnace 6 through a second control box 603, transferring the heated substrate into powder feeding equipment 7, and filling high-chromium high-manganese alloy powder particles into pits on the upper surface of the substrate, wherein the high-carbon high-chromium alloy powder comprises the following components in percentage by mass: 2.0% of C, 20% of Cr, 0.5% of Mn, 0.55% of S i, 2% of N i, 0% of Nb, 2.7% of Nb and the balance of Fe, wherein the high-chromium high-manganese alloy powder particles are 260 mu m, the filled wear-resistant particle materials are basically consistent with the height of the substrate by using a powder feeding device 7, and flattening is carried out after filling, so that the upper surface of the substrate is flattened, and the micro-melt on the upper surface of the substrate is wrapped with the wear-resistant material particles;
s5: and then continuously pushing the substrate with the high-chromium high-manganese alloy powder particles into an induction heating furnace 6, closing the induction heating furnace 6, carrying out heat preservation and slow cooling on the wear-resistant composite board along with the induction furnace 6, cooling to room temperature, taking out the wear-resistant composite board, and then forming the bimetal composite wear-resistant board to prepare the deformation-free crack-free bimetal composite wear-resistant board with hard alloy particles on the surface and flat surface.
Example 3:
s1: the substrate is conveyed by a substrate conveying unit 2, a low-carbon steel Q235 is selected as a substrate, and the substrate is long, wide and thick: 700mm multiplied by 600mm multiplied by 35mm, the substrate is screened after being conveyed into screening equipment 3, if the substrate is qualified in size, shot blasting treatment is carried out, rust and greasy dirt on the surface of the substrate are removed, and then the substrate is turned into transition equipment 4;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment 5 for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I602 through a control box I601, conveying the substrate into an induction heating furnace 6, horizontally placing the substrate in the induction heating furnace 6, wherein a high-temperature-resistant refractory plate brick 606 is arranged in the induction heating furnace 6, starting a control unit 8 and is used for starting the induction heating furnace 6 to continuously heat the substrate, adjusting the voltage and the current, adjusting the voltage to 550V, gradually adjusting the current to 180A, stopping increasing the current when the temperature is adjusted to be about 800 ℃, and keeping the current unchanged until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: by rolling the whole upper surface of the substrate by using the hole-rolling roller 605 and the high-temperature-resistant refractory plate brick 606 to match with each other, pits with different sizes are rolled on the upper surface of the substrate, the pit depth is 0.9mm, and the pit depth is 0.9mm.
S4, opening a second furnace door 604 on the induction heating furnace 6 through a second control box 603, transferring the heated substrate into the powder feeding equipment 7, and filling hard metal particles into pits on the upper surface of the substrate, wherein the hard metal particles comprise the following components in percentage by mass: co:3%, V B:22%, IVB: 10%, VIB: 25%, mo:0.5% of the hard metal particles are made into the wear-resistant material particles, wherein the hard metal particles are 200 mu m, the filled wear-resistant particle materials are basically kept to be consistent with the height of the substrate by using a powder feeding device 7, and a flattening procedure is carried out after filling, so that the upper surface of the substrate is flattened, and the micro-molten liquid on the upper surface of the substrate is used for wrapping the wear-resistant material particles;
the hardness of the hard metal particles is high (86-93 HRA, which is equivalent to 69-81 HRC), and the thermosetting property is good (can reach 900-1000 ℃ and keep 60 HRC);
s5: and then continuously pushing the substrate with the hard metal particles into an induction heating furnace 6, closing the induction heating furnace 6, keeping the temperature of the wear-resistant composite plate along with the induction furnace 6, slowly cooling to room temperature, taking out the wear-resistant composite plate, and then forming the bimetal composite wear-resistant plate to prepare the deformation-free crack-free bimetal composite wear-resistant plate with the hard alloy particles on the surface and flat surface.
Example 4:
s1: the substrate is conveyed by a substrate conveying unit 2, a low-carbon steel Q235 is selected as a substrate, and the substrate is long, wide and thick: 700mm multiplied by 600mm multiplied by 35mm, the substrate is screened after being conveyed into screening equipment 3, if the substrate is qualified in size, shot blasting treatment is carried out, rust and greasy dirt on the surface of the substrate are removed, and then the substrate is turned into transition equipment 4;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment 5 for uniform placement;
s2, continuously conveying the substrate in the transition equipment 4, opening a furnace door I602 through a control box I601, conveying the substrate into an induction heating furnace 6, horizontally placing the substrate in the induction heating furnace 6, wherein a high-temperature-resistant refractory plate brick 606 is arranged in the induction heating furnace 6, starting a control unit 8 and is used for starting the induction heating furnace 6 to continuously heat the substrate, adjusting the voltage and the current, adjusting the voltage 650V, gradually adjusting the current to 200A, stopping increasing the current when the temperature is adjusted to about 1200 ℃, and keeping the current unchanged until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: by rolling the whole upper surface of the substrate by using the hole-rolling roller 605 and the high-temperature-resistant refractory plate brick 606 to match with each other, pits with different sizes are rolled on the upper surface of the substrate, the pit depth is 0.9mm, and the pit depth is 0.9mm.
S4, opening a second furnace door 604 on the induction heating furnace 6 through a second control box 603, transferring the heated substrate into the powder feeding equipment 7, and filling hard ceramic particles into pits on the upper surface of the substrate, wherein the hard ceramic particles comprise the following components in percentage by mass: WC:10%, tiC:5%, taC:0.3%, nbC:2%, VC:7%, co:4% of the hard ceramic particles are manufactured, 220 mu m is adopted, the height of the filled wear-resistant particle materials is basically consistent with that of a substrate by using a powder feeding device 7, a flattening procedure is carried out after filling, the upper surface of the substrate is flattened, and the micro-melt on the upper surface of the substrate is used for wrapping the wear-resistant material particles;
the hard ceramic particles are the material with the best rigidity and highest hardness in engineering materials, the hardness is more than 1500HV, the compressive strength of the ceramic is higher, the ceramic has higher melting point (more than 2000 ℃), the ceramic has excellent chemical stability at high temperature, the thermal conductivity of the ceramic is lower than that of a metal material, meanwhile, the ceramic is also a good heat insulation material, the linear expansion coefficient of the ceramic is lower than that of the metal, and the ceramic has good dimensional stability when the temperature changes.
S5: and then continuously pushing the substrate with the hard ceramic particles into an induction heating furnace 6, closing the induction heating furnace 6, keeping the temperature of the wear-resistant composite board along with the induction furnace 6, slowly cooling to room temperature, taking out the wear-resistant composite board, and then forming the bimetal composite wear-resistant board to prepare the deformation-free crack-free bimetal composite wear-resistant board with the hard alloy particles on the surface and flat surface.
It should be noted that, the device structure and the drawings of the present invention mainly describe the principle of the present invention, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present invention, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;
the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present invention.
Claims (6)
1. A method for manufacturing a bimetal composite wear plate, which is characterized by comprising the following steps of preparing materials for preparing the bimetal composite wear plate:
a base plate, wear-resistant granular material and composite wear-resistant plate manufacturing device;
the composite wear-resisting plate manufacturing device comprises a substrate conveying unit, screening equipment, transition equipment, collecting equipment, an induction heating furnace, powder feeding equipment and a control unit, wherein the substrate conveying unit is arranged on an operating platform and comprises a square conveying basket, a conveying arm and a conveying skip car, the square conveying basket is arranged on the conveying arm, the conveying arm is arranged on the conveying skip car, a shot blasting machine set, a screening machine set and a material turning machine set are arranged in the screening equipment, a rolling hole set is arranged in the induction heating furnace, a door opening set is arranged on the induction heating furnace, and a flattening machine set is arranged in the powder feeding equipment;
the door opening unit comprises a first control box which is fixedly arranged at the top of the induction heating furnace, a first furnace door is arranged on the induction heating furnace, a second control box is fixedly arranged at the top of the induction heating furnace, and a second furnace door is arranged on the induction heating furnace;
the roll hole unit comprises a transverse rotating shaft, the transverse rotating shaft is arranged in an induction heating furnace, a roll hole roller is fixedly sleeved on the transverse rotating shaft, a plurality of high-temperature-resistant refractory plate bricks are arranged in the induction heating furnace, the high-temperature-resistant refractory plate bricks are positioned below the roll hole roller, and a plurality of roll hole blocks are arranged on the roll hole roller;
the manufacturing method of the specific bimetal composite wear-resistant plate comprises the following steps:
s1: the substrate is conveyed through a substrate conveying unit, and is conveyed into screening equipment for screening operation, if the size of the substrate is qualified, shot blasting treatment is carried out, rust and oil stains on the surface of the substrate are removed, and then the substrate is turned into transition equipment;
otherwise, if the size of the conveyed substrate is unqualified, the substrate can be screened out and then conveyed into the collecting equipment for uniform placement;
s2, continuously conveying the substrate in the transition equipment, opening a furnace door I through a control box I, conveying the substrate into an induction heating furnace, horizontally placing the substrate in the induction heating furnace, wherein a high-temperature-resistant refractory plate brick is arranged in the induction heating furnace, and starting a control unit for starting the induction heating furnace to continuously heat the substrate until the upper surface of the substrate is in a molten state so as to ensure that the substrate is in a softened state;
s3: rolling pits with different sizes on the upper surface of the substrate by rolling the whole upper surface of the substrate under the mutual matching of a hole-rolling roller and a high-temperature-resistant refractory plate brick;
s4, opening a furnace door II on the induction heating furnace through a control box II, transferring the heated substrate into powder feeding equipment, filling wear-resistant granular materials with unequal particle sizes into pits on the upper surface of the substrate, and carrying out flattening working procedures after filling by using the powder feeding equipment, wherein the filled wear-resistant granular materials are basically consistent with the height of the substrate, and flattening the upper surface of the substrate to ensure that the upper surface of the substrate is kept flat;
s5: and then continuously pushing the substrate with the wear-resistant granular material into an induction heating furnace, closing the induction heating furnace, keeping the composite wear-resistant plate warm and slowly cooling along with the induction furnace, cooling to room temperature, taking out the composite wear-resistant plate, and then forming the composite wear-resistant plate to prepare the non-deformation non-crack double-metal composite wear-resistant plate with hard alloy particles on the surface and flat surfaces.
2. The manufacturing method of the bimetal composite wear-resistant plate according to claim 1, wherein the wear-resistant particle material is selected from high-carbon high-chromium alloy powder particles, hard metal particles or hard ceramic particles, and the components of the high-carbon high-chromium alloy powder particles are as follows in percentage by mass: 2.0 to 5.0 percent of C, 18 to 30 percent of Cr, 0.2 to 1.0 percent of Mn, 0.4 to 0.8 percent of Si, 1.8 to 2.2 percent of Ni, 2 to 5 percent of Nb and the balance of Fe, and the granularity of alloy powder is 80 to 300 mu m; the diameter of the rolling hole blocks is in the range of 0.5-1.0 mm, and a plurality of rolling hole blocks are distributed in an annular array.
3. The method of manufacturing a bi-metallic composite wear plate of claim 1, wherein the substrate is a low alloy steel material.
4. The method of manufacturing a bi-metallic composite wear plate of claim 1, wherein the refractory plate brick is comparable to the base plate in length-width dimension.
5. The method of manufacturing a bi-metallic composite wear plate of claim 1, wherein the pit diameter is in the range of 0.5 to 1.0mm and the pit depth is in the range of 0.5 to 1.0mm.
6. The method of manufacturing a bimetal composite wear plate of claim 1, wherein the heating temperature of the induction heating furnace is in the range of 850 to 950 ℃.
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