CN112501508A - Wear-resistant alloy lining plate and preparation process thereof - Google Patents
Wear-resistant alloy lining plate and preparation process thereof Download PDFInfo
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- CN112501508A CN112501508A CN202011349102.6A CN202011349102A CN112501508A CN 112501508 A CN112501508 A CN 112501508A CN 202011349102 A CN202011349102 A CN 202011349102A CN 112501508 A CN112501508 A CN 112501508A
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- 239000000956 alloy Substances 0.000 title claims abstract description 28
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 238000005266 casting Methods 0.000 claims description 53
- 238000001816 cooling Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 12
- 238000005271 boronizing Methods 0.000 claims description 12
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 11
- 239000000788 chromium alloy Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000005242 forging Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000011195 cermet Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 229910052580 B4C Inorganic materials 0.000 claims description 3
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 3
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 150000003839 salts Chemical group 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000024780 Urticaria Diseases 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
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Abstract
The utility model provides a wear-resisting alloy welt and preparation technology thereof, includes the welt, the welt includes first plate body and second plate body, the right-hand member face of first plate body is provided with the spliced pole, the left end face of second plate body inwards extends and is provided with the spliced eye, the inside of spliced eye is provided with buffer spring, and the spliced pole inserts in the spliced eye and be connected with buffer spring, the surface of first plate body and second plate body all welds high chrome wear layer, it is provided with the inward extension on first plate body, second plate body and the high chrome wear layer and is provided with the mounting hole, inwards extends from the surface of high chrome wear layer. According to the invention, the use thickness of the lining plate is increased due to the design of the first plate body and the second plate body, and meanwhile, the first plate body and the second plate body are connected in a mode of the insertion rod and the insertion hole, so that the first plate body and the second plate body are convenient to disassemble and assemble.
Description
Technical Field
The invention relates to the technical field of metal lining plate preparation, in particular to a wear-resistant alloy lining plate and a preparation process thereof.
Background
At present, in conveying equipment in the industries of metallurgy, chemical industry, machinery, electric power, building materials, and the like, lining plates made of some wear-resistant alloy materials are often used as conveying carriers, for example, in the production process of steel plates, iron plate alloy plates, and the like, wear-resistant alloy lining plates are required to be arranged on two sides of a production line to clamp the plates, so that the efficiency of steel coil shape is improved, and the plates are convenient to coil and store or transport; in addition, some wear-resisting welts may receive the pressure that increases in the use, and then influence its availability factor and life, and the practicality is low, and the result of use is poor, is difficult to satisfy people's demand, and in addition, welt wearability and shock resistance among the prior art are relatively poor, can appear cracked condition in the use often. The present invention proposes a new solution to the above problems.
Disclosure of Invention
The invention aims to provide a wear-resistant alloy lining plate and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wear-resisting alloy welt, includes the welt, the welt includes first plate body and second plate body, the right-hand member face of first plate body is provided with the spliced pole, the left end face inwards extension of second plate body is provided with the spliced eye, the inside of spliced eye is provided with buffer spring, and the spliced pole inserts in the spliced eye and be connected with buffer spring, the surface of first plate body and second plate body all welds high chrome alloy wearing layer, be provided with inwards extension on first plate body, second plate body and the high chrome alloy wearing layer and be provided with the mounting hole, extend inwards from the surface of high chrome alloy wearing layer, be equipped with cast moulding's prefabricated cermet piece in this mounting hole, prefabricated cermet piece is unanimous with the shape of mounting hole, and interference fit, first plate body and second plate body are high manganese steel material.
As a further scheme of the invention: the first plate body and the second plate body comprise the following components in percentage by weight: carbon: 0.95-1.1%, manganese: 11.5-12.8%, silicon: 0.4-0.6%, molybdenum: 1.2-1.5%, sulfonium: 0.02-0.06% and iron: 35 to 90 percent.
As a still further scheme of the invention: the inserting rod, the inserting hole and the buffer spring are correspondingly provided with a plurality of inserting rods, inserting holes and buffer springs respectively, and are arranged between the first plate body and the second plate body at equal intervals.
As a still further scheme of the invention: the mounting holes and the prefabricated metal ceramic blocks are correspondingly provided with a plurality of mounting holes and prefabricated metal ceramic blocks respectively.
As a still further scheme of the invention: a buffer cushion is further arranged at the joint of the first plate body and the second plate body.
The invention also comprises a preparation process of the wear-resistant alloy lining plate, which comprises the following steps:
the method comprises the following steps: preparing various raw materials, casting molds and various processing devices, then placing the raw materials in a smelting furnace, heating the smelting furnace to the smelting temperature of 1400-1480 ℃ in a molten state, and simultaneously adding a slagging agent;
step two: pouring the smelted mixed solution into a casting mold, keeping the casting mold at 800-1150 ℃ in the casting process, cooling the casting mold after casting is finished to obtain a blank, and cleaning the casting mold and the casting;
step three: cooling the blank, and then placing the cooled blank on forging equipment for forging and pressing;
step four: loading the blank into a heat treatment furnace, controlling the temperature to rise to 180 ℃ at the temperature rise rate of 5 ℃/min, preserving the heat for 160 minutes, controlling the temperature to rise to 610 ℃ at the temperature rise rate of 10 ℃/min, preserving the heat for 100 minutes, controlling the temperature to rise to 1018 ℃ at the temperature rise rate of 3 ℃/min, preserving the heat for 250 minutes, and then discharging the blank out of the heat treatment furnace;
step five: carrying out air quenching treatment on the casting after heat treatment, starting a cooling fan at the same time until the surface temperature of the casting is reduced to 610 ℃, closing the cooling fan, then airing the casting until the surface temperature is reduced to 350 ℃, and starting the cooling fan again until the surface temperature is reduced to normal temperature;
step six: and (5) polishing and subsequent processing are carried out on the casting.
As a still further scheme of the invention: and before the fourth step, placing the casting into a boronizing agent, heating to 900-950 ℃, and continuing for 4-6 hours to boronize the surface layer of the wear-resistant lining plate.
As a still further scheme of the invention: the boronizing agent is a salt bath boronizing agent consisting of anhydrous borax and boron carbide, ferroboron or silicon carbide.
As a still further scheme of the invention: the thickness of the boronizing layer is 0.1-0.3 mm.
Compared with the prior art, the invention has the advantages that:
according to the invention, the use thickness of the lining plate is increased due to the design of the first plate body and the second plate body, meanwhile, the first plate body and the second plate body are connected in the mode of the insertion rod and the insertion hole, so that the first plate body and the second plate body are convenient to disassemble and assemble, meanwhile, the buffer spring is arranged in the insertion hole, so that the first plate body and the second plate body have certain buffer when being mutually extruded, the toughness of the whole lining plate is improved, the lining plate cannot be damaged due to excessive external pressure, in addition, the hardness of the second plate body and the second plate body is improved due to the matching design of the installation hole and the prefabricated metal ceramic block, the wear resistance of the surfaces of the second plate body and the lining plate is greatly improved, and the service life of.
Drawings
FIG. 1 is a schematic view of the overall structure of a wear-resistant alloy lining plate and a preparation process thereof;
FIG. 2 is a schematic view of a local matching structure of a first plate and a high-chromium alloy wear-resistant layer in the wear-resistant alloy lining plate and the preparation process thereof;
fig. 3 is a schematic view of a matching structure of a first plate body and a prefabricated cermet block in the wear-resistant alloy lining plate and the preparation process thereof.
In the figure: 1. a first plate body; 2. a second plate body; 3. a plug rod; 4. inserting holes; 5. a buffer spring; 6. a high chromium alloy wear layer; 7. mounting holes; 8. prefabricating a metal ceramic block; 9. a cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention:
example 1:
a wear-resistant alloy lining plate comprises a lining plate, wherein the lining plate comprises a first plate body 1 and a second plate body 2, the right end surface of the first plate body 1 is provided with an inserting rod 3, the left end surface of the second plate body 2 is provided with an inserting hole 4 extending inwards, a buffer spring 5 is arranged inside the inserting hole 4, the inserting rod 3 is inserted into the inserting hole 4 and is connected with the buffer spring 5, the outer surfaces of the first plate body 1 and the second plate body 2 are welded with high-chromium alloy wear-resistant layers 6, the first plate body 1, the second plate body 2 and the high-chromium alloy wear-resistant layers 6 are provided with mounting holes 7 which extend inwards and extend inwards from the outer surfaces of the high-chromium alloy wear-resistant layers 6, be equipped with the prefabricated cermet piece 8 of casting moulding in this mounting hole 7, prefabricated cermet piece 8 is unanimous with the shape of mounting hole 7, and interference fit, first plate body 1 and second plate body 2 are high manganese steel material.
In this embodiment: the first plate body 1 and the second plate body 2 comprise the following components in percentage by weight: carbon: 0.95-1.1%, manganese: 11.5-12.8%, silicon: 0.4-0.6%, molybdenum: 1.2-1.5%, sulfonium: 0.02-0.06% and iron: 35 to 90 percent. According to the invention, the first plate body 1 and the second plate body 2 are made of the same material and have the same structure, and the lining plate made of the components has higher wear resistance and toughness, so that the practicability is improved.
In this embodiment: the inserting rod 3, the inserting hole 4 and the buffer spring 5 are correspondingly provided with a plurality of inserting holes respectively, and are arranged between the first plate body 1 and the second plate body 2 at equal intervals. Set up it into a plurality ofly respectively to can be better cushion, improve its buffering effect, make overall structure more firm.
In this embodiment: the mounting holes 7 and the prefabricated metal ceramic blocks 8 are correspondingly provided in plurality. The surfaces of the first plate body 1 and the second plate body 2 are more wear-resistant and firm.
In this embodiment: a buffer pad 9 is further disposed at the joint of the first board body 1 and the second board body 2. Further improving the buffering effect.
Example 2:
a preparation process of a wear-resistant alloy lining plate comprises the following steps:
the method comprises the following steps: preparing raw materials including carbon: 0.95%, manganese: 11.5%, silicon: 0.4-0.6%, molybdenum: 1.2%, sulfonium: 0.02% and iron: 85.93 percent, casting molds and various processing devices, then placing various raw materials in a smelting furnace, heating the smelting furnace to the smelting temperature of 1400-1480 ℃ in the molten state, and simultaneously adding a slagging agent;
step two: pouring the smelted mixed solution into a casting mold, keeping the casting mold at 800-1150 ℃ in the casting process, cooling the casting mold after casting is finished to obtain a blank, and cleaning the casting mold and the casting;
step three: cooling the blank, and then placing the cooled blank on forging equipment for forging and pressing;
step four: loading the blank into a heat treatment furnace, controlling the temperature to rise to 180 ℃ at the temperature rise rate of 5 ℃/min, preserving the heat for 160 minutes, controlling the temperature to rise to 610 ℃ at the temperature rise rate of 10 ℃/min, preserving the heat for 100 minutes, controlling the temperature to rise to 1018 ℃ at the temperature rise rate of 3 ℃/min, preserving the heat for 250 minutes, and then discharging the blank out of the heat treatment furnace;
step five: carrying out air quenching treatment on the casting after heat treatment, starting a cooling fan at the same time until the surface temperature of the casting is reduced to 610 ℃, closing the cooling fan, then airing the casting until the surface temperature is reduced to 350 ℃, and starting the cooling fan again until the surface temperature is reduced to normal temperature;
step six: and polishing and subsequent processing are carried out on the casting, and the subsequent insertion connecting rod 3, the buffer spring 5, the prefabricated metal ceramic block 8 and the high-chromium alloy wear-resistant layer 6 are installed.
In this embodiment: and before the fourth step, placing the casting into a boronizing agent, heating to 900-950 ℃, and continuing for 4-6 hours to boronize the surface layer of the wear-resistant lining plate. The hardness and wear resistance of the surface of the lining plate can be further improved.
In this embodiment: the boronizing agent is a salt bath boronizing agent consisting of anhydrous borax and boron carbide, ferroboron or silicon carbide. The hardness and wear resistance of the surface of the lining plate can be further improved.
In this embodiment: the thickness of the boronizing layer is 0.1-0.3 mm.
Example 3:
a preparation process of a wear-resistant alloy lining plate comprises the following steps:
the method comprises the following steps: preparing raw materials including carbon: 1.1%, manganese: 12.8%, silicon: 0.6%, molybdenum: 1.5%, sulfonium: 0.06% and iron: 83.94 percent, casting molds and various processing devices, then placing various raw materials in a smelting furnace, heating the smelting furnace to the smelting temperature of 1400-1480 ℃ in the molten state, and simultaneously adding a slagging agent;
step two: pouring the smelted mixed solution into a casting mold, keeping the casting mold at 800-1150 ℃ in the casting process, cooling the casting mold after casting is finished to obtain a blank, and cleaning the casting mold and the casting;
step three: cooling the blank, and then placing the cooled blank on forging equipment for forging and pressing;
step four: loading the blank into a heat treatment furnace, controlling the temperature to rise to 180 ℃ at the temperature rise rate of 5 ℃/min, preserving the heat for 160 minutes, controlling the temperature to rise to 610 ℃ at the temperature rise rate of 10 ℃/min, preserving the heat for 100 minutes, controlling the temperature to rise to 1018 ℃ at the temperature rise rate of 3 ℃/min, preserving the heat for 250 minutes, and then discharging the blank out of the heat treatment furnace;
step five: carrying out air quenching treatment on the casting after heat treatment, starting a cooling fan at the same time until the surface temperature of the casting is reduced to 610 ℃, closing the cooling fan, then airing the casting until the surface temperature is reduced to 350 ℃, and starting the cooling fan again until the surface temperature is reduced to normal temperature;
step six: the casting is polished and subsequently processed, the subsequent plug-in connecting rod 3, the buffer spring 5, the prefabricated metal ceramic block 8 and the high-chromium alloy wear-resistant layer 6 are installed, and the high-chromium alloy wear-resistant layer 6 is installed in a welding mode.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a wear-resisting alloy welt, includes the welt, its characterized in that, the welt includes first plate body and second plate body, the right-hand member face of first plate body is provided with the spliced pole, the left end face of second plate body inwards extends and is provided with the spliced eye, the inside of spliced eye is provided with buffer spring, and the spliced pole inserts in the spliced eye and be connected with buffer spring, the surface of first plate body and second plate body all welds high chromium alloy wearing layer, it is provided with the mounting hole to be provided with inwards extending on first plate body, second plate body and the high chromium alloy wearing layer, extends inwards from the surface of high chromium alloy wearing layer, is equipped with the prefabricated cermet piece of casting shaping in this mounting hole, prefabricated cermet piece is unanimous with the shape of mounting hole, and interference fit, first plate body and second plate body are the high manganese steel material.
2. A wear resistant alloy liner plate in accordance with claim 1, wherein: the first plate body and the second plate body comprise the following components in percentage by weight: carbon: 0.95-1.1%, manganese: 11.5-12.8%, silicon: 0.4-0.6%, molybdenum: 1.2-1.5%, sulfonium: 0.02-0.06% and iron: 35 to 90 percent.
3. A wear resistant alloy liner plate in accordance with claim 1, wherein: the inserting rod, the inserting hole and the buffer spring are correspondingly provided with a plurality of inserting rods, inserting holes and buffer springs respectively, and are arranged between the first plate body and the second plate body at equal intervals.
4. A wear resistant alloy liner plate in accordance with claim 1, wherein: the mounting holes and the prefabricated metal ceramic blocks are correspondingly provided with a plurality of mounting holes and prefabricated metal ceramic blocks respectively.
5. A wear resistant alloy liner plate in accordance with claim 1, wherein: a buffer cushion is further arranged at the joint of the first plate body and the second plate body.
6. The invention also includes a process for preparing a wear-resistant alloy liner plate according to claims 1-5, which is characterized by comprising the following steps:
the method comprises the following steps: preparing various raw materials, casting molds and various processing devices, then placing the raw materials in a smelting furnace, heating the smelting furnace to the smelting temperature of 1400-1480 ℃ in a molten state, and simultaneously adding a slagging agent;
step two: pouring the smelted mixed solution into a casting mold, keeping the casting mold at 800-1150 ℃ in the casting process, cooling the casting mold after casting is finished to obtain a blank, and cleaning the casting mold and the casting;
step three: cooling the blank, and then placing the cooled blank on forging equipment for forging and pressing;
step four: loading the blank into a heat treatment furnace, controlling the temperature to rise to 180 ℃ at the temperature rise rate of 5 ℃/min, preserving the heat for 160 minutes, controlling the temperature to rise to 610 ℃ at the temperature rise rate of 10 ℃/min, preserving the heat for 100 minutes, controlling the temperature to rise to 1018 ℃ at the temperature rise rate of 3 ℃/min, preserving the heat for 250 minutes, and then discharging the blank out of the heat treatment furnace;
step five: carrying out air quenching treatment on the casting after heat treatment, starting a cooling fan at the same time until the surface temperature of the casting is reduced to 610 ℃, closing the cooling fan, then airing the casting until the surface temperature is reduced to 350 ℃, and starting the cooling fan again until the surface temperature is reduced to normal temperature;
step six: and (5) polishing and subsequent processing are carried out on the casting.
7. The process for preparing a wear-resistant alloy liner plate according to claim 6, wherein: and before the fourth step, placing the casting into a boronizing agent, heating to 900-950 ℃, and continuing for 4-6 hours to boronize the surface layer of the wear-resistant lining plate.
8. The process for preparing a wear-resistant alloy liner plate according to claim 7, wherein: the boronizing agent is a salt bath boronizing agent consisting of anhydrous borax and boron carbide, ferroboron or silicon carbide.
9. The process for preparing a wear-resistant alloy liner plate according to claim 8, wherein: the thickness of the boronizing layer is 0.1-0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349102.6A CN112501508A (en) | 2020-11-26 | 2020-11-26 | Wear-resistant alloy lining plate and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011349102.6A CN112501508A (en) | 2020-11-26 | 2020-11-26 | Wear-resistant alloy lining plate and preparation process thereof |
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| CN112501508A true CN112501508A (en) | 2021-03-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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