CN114888090A - High-hardness high-nickel-chromium-molybdenum composite roll structure - Google Patents
High-hardness high-nickel-chromium-molybdenum composite roll structure Download PDFInfo
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- CN114888090A CN114888090A CN202210528734.1A CN202210528734A CN114888090A CN 114888090 A CN114888090 A CN 114888090A CN 202210528734 A CN202210528734 A CN 202210528734A CN 114888090 A CN114888090 A CN 114888090A
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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 239000002826 coolant Substances 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 21
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 20
- OGSYQYXYGXIQFH-UHFFFAOYSA-N chromium molybdenum nickel Chemical compound [Cr].[Ni].[Mo] OGSYQYXYGXIQFH-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910002115 bismuth titanate Inorganic materials 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 32
- 150000001621 bismuth Chemical class 0.000 claims description 30
- 229910021389 graphene Inorganic materials 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 21
- 239000002041 carbon nanotube Substances 0.000 claims description 19
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000002715 modification method Methods 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000003446 memory effect Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
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- 230000002195 synergetic effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
- B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/078—Sealing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
-
- 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
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
-
- 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
- C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/083—Lubricating, cooling or heating rolls internally cooling internally
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a high-hardness high-nickel-chromium-molybdenum composite roll structure, which relates to the field of high-nickel-chromium-molybdenum composite roll structures and comprises a high-nickel-chromium-molybdenum alloy roll, wherein a built-in cooling assembly is arranged on the roll and comprises a circular cavity arranged in the roll. The roller is made of high nickel-chromium-molybdenum alloy, has high hardness and shape memory effect, and ensures the service life of the roller, the circular cavity is arranged in the roller, so that the liquid cooling medium can conveniently flow in the circular cavity and the storage box in a circulating manner, the phenomenon that the temperature of the roller is too high is avoided, the circulating liquid cooling medium is heated in a circulating manner through the first heating unit in the first cavity, the liquid cooling medium passing through the circular cavity has certain temperature, the roller is cooled under the condition of keeping the certain temperature, and the phenomenon that the roller is excessively cooled or excessively heated is avoided.
Description
Technical Field
The invention relates to the field of high nickel-chromium-molybdenum composite roll structures, in particular to a high-hardness high nickel-chromium-molybdenum composite roll structure.
Background
When the roller is used for rolling steel, the heat generated by rolling can be conducted to the interior of the roller, and the heat in the roller cannot be cooled, so that after the roller runs for a long time, the internal heat is gradually increased, the service performance and the service life of the roller are reduced, and the roller is easy to break. In order to solve the technical problem, people adopt an external cooling mode, and spray cooling liquid on the outer surface of the roller, and the cooling mode cools the roller, but also cools hot steel, so that energy is greatly wasted, and the evaporation of the cooling liquid also causes pollution to the working environment.
Therefore, it is necessary to develop a high hardness high nickel chromium molybdenum composite roll structure to solve the above problems.
Disclosure of Invention
The invention aims to provide a high-hardness high-nickel-chromium-molybdenum composite roll structure to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the high-hardness high-nickel-chromium-molybdenum composite roll structure comprises a roll prepared from high-nickel-chromium-molybdenum alloy, wherein a built-in cooling assembly is arranged on the roll and comprises a circular cavity arranged in the roll, a roll shaft penetrating through the middle of the circular cavity and simultaneously penetrating through two end faces of the roll is arranged in the middle of the roll, conveying channels are arranged in two ends of the roll shaft, a first hole communicated between one group of conveying channels and the circular cavity is formed in one end of the roll shaft, and a second hole communicated between the other group of conveying channels and the circular cavity is formed in the other end of the roll shaft;
the roller-shaped rolling mill is characterized in that a rotating mechanism which drives the roller to deform and complex through rotating expanding force is arranged in the circular cavity, the rotating mechanism comprises a rotating ring movably sleeved on a roller shaft, a hard scraper is fixedly welded on one side of the rotating ring, and the hard scraper is of a T-shaped structure movably attached to the inner wall of the circular cavity.
Preferably, a storage tank for storing a liquid cooling medium is arranged on one side of the roller, partition plates are fixedly welded at two ends of the interior of the storage tank, one side, away from each other, of each two groups of partition plates partitions the interior of the storage tank into a second chamber, the interior of the storage tank is partitioned into a first chamber between the two groups of partition plates, a first heating unit for heating the cooling medium is arranged in the first chamber, a circulating unit is fixedly arranged on one side of each partition plate, a second pipeline communicated with the interior of the first chamber is arranged at one end of the circulating unit, a third pipeline communicated with the interior of the second chamber is arranged at the other end of the circulating unit, a third control valve and a monitoring unit are arranged in the third pipeline, a first pipeline communicated with the interior of the first chamber is further arranged on the circulating unit, a first control valve is arranged in the first pipeline, and a conveying pipeline is communicated with the second chamber, the end part of the conveying pipeline is communicated with the inside of the conveying channel through a communication assembly.
The invention is prepared by the high nickel-chromium-molybdenum alloy roller, has higher hardness and shape memory effect, ensures the service life of the roller,
the combination of the raw materials and the modification addition of the modified bismuth titanate are adopted, so that the heat dissipation effect of the alloy product is improved, and the heat dissipation efficiency of the product is further improved by matching with a cooling component of the product;
the modification method of the modified bismuth titanate comprises the following steps: bismuth titanate, carbon nano tubes and graphene are compounded, and after the bismuth titanate, the carbon nano tubes and the graphene are treated by a silane coupling agent KH560 and sodium lignosulfonate, the compatibility of the bismuth titanate and the graphene is improved, the heat dissipation performance of the product can be obviously improved by the modified bismuth titanate, and meanwhile, the strength performance of the product can be improved; the graphene has a sheet structure, the carbon nano tube has a tubular structure, and the graphene and the carbon nano tube can achieve a synergistic effect, enhance the modification effect of bismuth titanate and improve the improvement efficiency of products;
and the inside of roll is provided with circular cavity, makes things convenient for liquid cooling medium circulation flow in circular cavity and holding box to avoid the high temperature of roll, and the liquid cooling medium of circulation is by the circulation heating through the first heating unit in the first cavity, makes the liquid cooling medium through circular cavity have certain temperature, keeps cooling down the roll under the certain temperature state, has avoided the excessive cooling of roll or the phenomenon of excessive heat.
Preferably, the communicating component comprises an outer ring body, an inner cavity is arranged inside the outer ring body, the outer ring body is movably sleeved at the outer ring of the rolling roll shaft, a plurality of groups of communicating holes distributed in a circular array are formed in the outer ring of the rolling roll shaft, the communicating holes are communicated between the conveying channel and the inner cavity, a limiting ring is fixedly welded on the inner wall, close to one side of the inner cavity, of the inner ring of the outer ring body, a limiting ring is fixedly welded at the outer ring of the rolling roll shaft, the limiting ring is movably sleeved outside the limiting ring, a limiting groove for rotating the limiting ring is formed between the limiting ring and the inner wall of the side face of the inner cavity, an external pipeline is fixedly arranged at the lower end of the outer ring body, the external pipeline is communicated with the conveying pipeline through a hose, and a second control valve is arranged in the conveying pipeline.
Further, liquid cooling medium loops through the transfer passage of roller axle one end, the inside that first hole got into circular cavity, then discharge through the second hole and the transfer passage of roller axle other end, liquid cooling medium circulates into the inside of circular cavity once more after the roll outside is cooled off to cool off the roll through the inside of roll, and the liquid cooling medium that cools off the use keeps in certain temperature range, avoids the influence that the roll subcooling led to the fact machining efficiency.
Preferably, the inside of circular cavity is provided with seal assembly, and seal assembly includes the first magnetic sheet of fixed welding on the circular cavity inner wall, first magnetic sheet is provided with the multiunit, and the first magnetic sheet of multiunit is circular array form and distributes, it has the holding ring still fixed welding on the inner wall of circular cavity, the fixed rubber seal ring that is provided with in inner circle department of holding ring, the movable laminating of rubber seal ring is in the outer lane of roll axle, and the inside rigidity that the rubber seal ring is close to roll axle outer lane is provided with and the first magnetic sheet between the second magnetic sheet of keeping away from that repels.
Specifically, the first magnetic plate and the second magnetic plate repel each other and keep away from each other, so that the second magnetic plate can pull the inner ring of the rubber sealing ring to be attached to the outer ring of the roll shaft, good sealing performance is kept, the durability of the magnetic repulsion force is strong, and the situation that the rubber sealing ring cannot be sealed due to failure of the elastic performance of the rubber sealing ring is avoided.
Preferably, the roller and the roller shaft are fixedly connected, a connecting ring is movably sleeved at the outer ring of the roller shaft, and the connecting ring is fixed on the outer ring of the roller shaft and the side surface of the roller through screws.
The roller and the roller shaft are detachably connected, so that the roller is convenient to disassemble, assemble and use.
Preferably, one side of roll is provided with the tight subassembly of outer package with slewing mechanism complex, the tight subassembly of outer package includes the promotion unit backup pad of locating in the roll axle outer lane through the fix with screw, the fixed welding in one side that promotes the unit backup pad and be close to the roll has the promotion unit, promote unit transverse distribution, the fixed welding in one end that promotes the unit backup pad has the outer pressure ring to promote the unit, the inner circle diameter of outer pressure ring equals with the outer lane diameter of roll, the fixed second heating unit that is provided with in inside of outer pressure ring, the second heating unit is provided with the multiunit, and multiunit second heating unit is circular array form and distributes.
In the device, when liquid cooling medium enters one side of the circular cavity, the liquid cooling medium can push the hard scraper to rotationally move in the circular cavity, and at the moment, the liquid cooling medium can be heated to a higher temperature, so that the inner wall of the roller is repaired and deformed in the process of being scraped and pressed by the rotation of the circular cavity, and the phenomenon that the roller cannot be repaired after being deformed is avoided;
and in the rotating process of the hard scraper, the pushing unit pushes the outer ring to move at the outer ring of the roller, and the outer ring of the outer ring heats the outer wall of the roller through the second heating unit, so that the outer wall of the roller is repaired, and the roller is integrally repaired.
Preferably, one end of the roll shaft is provided with a power unit for driving the roll shaft to rotate.
Further, a servo motor or the like can be used as a power unit, and the power unit can drive the roller to rotate through the roller shaft.
Preferably, the length of the hard scraper is smaller than that of the circular cavity, and the T-shaped end of the hard scraper is movably attached to the inner wall of the circular cavity.
Specifically, the circulating units on the partition plates on the two sides can be started intermittently to enable the hard scraper to move in the circular cavity in a circulating mode, the circulating units can use devices such as a water pump, the liquid cooling medium can use water and the like, the first control valve and the third control valve can both use devices such as an electromagnetic valve and the like, the monitoring unit can use devices such as a temperature sensor and the like, when the monitoring unit monitors a threshold value set by the temperature height of the liquid cooling medium, the third control valve can be controlled to be closed, the first control valve is opened to enable the liquid cooling medium to circulate in the first cavity, the first heating unit is closed at the moment, the third control valve is opened after the liquid cooling medium reaches the proper temperature, and the second control valve in the conveying pipeline is opened again to convey the liquid cooling medium with the specific temperature to the interior of the circular cavity for cooling the roller.
Preferably, one end of the roller, which is close to the power unit, is opened, and a closed ring plate is arranged at the opening position and is fixed at the end part of the roller through a screw.
When the roller is actually used, the arrangement of the closed ring plate is convenient for dismounting the structure in the roller;
in the apparatus, the second control valve may also use a solenoid valve or the like, the pushing unit may use an electric push rod or a cylinder or the like, the second heating unit may use an electric heating plate or the like, and the first heating unit may use an electric heating wire or the like.
Preferably, the roller is of a round roller structure, and the storage box is of a rectangular box structure.
The arrangement of the outer ring body enables the liquid cooling medium to be conveyed into the circular cavity without influencing the rotation of the roll shaft, and the structural design is reasonable.
Preferably, the method for preparing the high nickel-chromium-molybdenum alloy roller comprises the following steps:
the method comprises the following steps: weighing raw materials: c with the weight percentage of 3-3.5%, Ni1.2-1.4%, Cr1.1-1.3%, Mo0.8-0.9%, Si0.1-0.6%, Mn0.1-0.7%, Y0.05-0.07%, modified bismuth titanate 0.1-0.4%, and the balance of Fe;
step two: feeding the raw materials into a smelting furnace for complete smelting, and then feeding the raw materials into a mold for cooling and shaping;
step three: and (4) carrying out heat treatment process treatment on the roller shaped in the step two, and obtaining the high nickel-chromium-molybdenum alloy roller after the treatment is finished.
Preferably, the modification method of the modified bismuth titanate is as follows:
mixing bismuth titanate, graphene and carbon nanotubes according to a weight ratio of 6:2:1 to obtain a composite material, adding 10-20 parts of the composite material into 35-45 parts of water, adding hydrochloric acid to adjust the pH value to 5.0, then adding 1-5 parts of silane coupling agent KH560 and 1-2 parts of sodium lignosulfonate, stirring and dispersing fully, washing with water, and drying to obtain the modified bismuth titanate.
Preferably, the heat treatment process comprises the following specific operation steps: heating to 150-.
The inventor of the invention finds that the hardness, the wear resistance and the thermal conductivity of the product are obviously reduced without adding the modified bismuth titanate, while the hardness and the wear resistance of the product are obviously reduced without adding the graphene, but the heat dissipation performance of the product can be improved to a certain extent;
the carbon nano tubes are not added, the hardness, wear resistance and heat conductivity of the product are all deteriorated, and based on the deterioration, the modified bismuth titanate has a synergistic improvement effect by matching the graphene and the carbon nano tubes, so that the heat conductivity, hardness and wear resistance of the product can be enhanced; the performance of the product is improved in a coordinated manner, the wear resistance and hardness of the product are ensured, and the heat dissipation performance of the product is enhanced and improved.
The inventor of the invention finds that the bismuth titanate modified by other methods has no obvious modification effect, and the performance of the product tends to be reduced due to the change of heat treatment process parameters and conditions.
The invention has the technical effects and advantages that:
the roller is prepared from the high nickel-chromium-molybdenum alloy roller, has higher hardness and shape memory effect, and ensures the service life of the roller, the circular cavity is arranged in the roller, so that the liquid cooling medium can conveniently flow in the circular cavity and the storage box in a circulating manner, the overhigh temperature of the roller is avoided, the circulating liquid cooling medium is heated in a circulating manner through the first heating unit in the first cavity, the liquid cooling medium passing through the circular cavity has a certain temperature, the roller is cooled under the condition of keeping the certain temperature, and the phenomenon of excessive cooling or excessive heating of the roller is avoided; the combination of the raw materials and the modification addition of the modified bismuth titanate are adopted, so that the heat dissipation effect of the alloy product is improved, and the heat dissipation efficiency of the product is further improved by matching with a cooling component of the product; the modification method of the modified bismuth titanate comprises the following steps: bismuth titanate, carbon nano tubes and graphene are compounded, and after the bismuth titanate, the carbon nano tubes and the graphene are treated by a silane coupling agent KH560 and sodium lignosulfonate, the compatibility of the bismuth titanate and the graphene is improved, the heat dissipation performance of the product can be obviously improved by the modified bismuth titanate, and meanwhile, the strength performance of the product can be improved; the graphene has a sheet structure, the carbon nano tube has a tubular structure, and the graphene and the carbon nano tube can achieve a synergistic effect, enhance the modification effect of bismuth titanate and improve the improvement efficiency of products;
1. according to the invention, a liquid cooling medium enters the circular cavity through the conveying channel and the first hole at one end of the roll shaft in sequence, and then is discharged through the second hole and the conveying channel at the other end of the roll shaft, and the liquid cooling medium is cooled outside the roll and then circularly enters the circular cavity again, so that the roll is cooled through the inside of the roll, and the liquid cooling medium used for cooling is kept in a certain temperature range, thereby avoiding the influence of the overcooling of the roll on the processing efficiency;
2. according to the invention, the first magnetic plate and the second magnetic plate are repelled and far away from each other, so that the second magnetic plate can pull the inner ring of the rubber sealing ring to be attached to the outer ring of the roll shaft, good sealing property is kept, and the durability of the magnetic repulsion force is strong, and the phenomenon that the rubber sealing ring cannot be sealed due to the failure of the elastic property of the rubber sealing ring is avoided; the roller is detachably connected with the roller shaft, so that the roller is convenient to disassemble, assemble and use;
3. when liquid cooling medium enters one side of the circular cavity, the liquid cooling medium can push the hard scraper to rotationally move in the circular cavity, and at the moment, the liquid cooling medium can be heated to a higher temperature, so that the inner wall of the roller is repaired and deformed in the process of being scraped and pressed by the rotation of the circular cavity, and the phenomenon that the roller cannot be repaired after being deformed is avoided; in the rotating process of the hard scraper, the pushing unit pushes the outer ring to move at the outer ring of the roller, and the outer ring of the outer ring heats the outer wall of the roller through the second heating unit, so that the outer wall of the roller is repaired, and the roller is integrally repaired;
4. the circulating units on the clapboards at the two sides of the invention can be started intermittently to ensure that the hard scraper moves circularly in the circular cavity, the circulating units can use devices such as a water pump, etc., the liquid cooling medium can use water, etc., the first control valve and the third control valve can both use devices such as electromagnetic valves, the monitoring unit can use devices such as temperature sensors, when the monitoring unit monitors the temperature height of the liquid cooling medium to set a threshold value, the third control valve can be controlled to be closed, the first control valve is controlled to be opened, the circulation of the liquid cooling medium in the first chamber is realized, at the moment, the first heating unit is closed, so that the liquid cooling medium can reach the proper temperature, the third control valve is opened, and the second control valve in the conveying pipeline is opened again to convey the liquid cooling medium with the specific temperature to the inside of the circular cavity for cooling the roller.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is a schematic diagram of a storage box structure according to the present invention.
Fig. 4 is a schematic diagram of a first magnetic plate structure according to the present invention.
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
FIG. 7 is an enlarged view of the structure at C in FIG. 3 according to the present invention.
FIG. 8 is an enlarged view of the structure shown at D in FIG. 3 according to the present invention.
FIG. 9 is a schematic diagram of a closed loop structure according to the present invention.
In the figure: the device comprises a roller 1, a roller shaft 2, a conveying channel 3, a connecting ring 4, a power unit 5, a circular cavity 6, a hard scraper 7, a rotating ring 8, a storage box 9, a conveying pipeline 10, a first chamber 11, a first heating unit 12, a circulating unit 13, a partition plate 14, a second chamber 15, a hose 16, a first magnetic plate 17, a positioning ring 18, a rubber sealing ring 19, a second magnetic plate 20, a first hole 21, a second hole 22, a second heating unit 23, an outer pressure ring 24, a pushing unit 25, a pushing unit supporting plate 26, a communication hole 27, an inner chamber 28, an outer ring body 29, a limiting groove 31, a first control valve 32, a first pipeline 33, a second pipeline 34, a second control valve 35, a third pipeline 36, a third control valve 37, a monitoring unit 38, a limiting ring 39 and a sealing ring plate 40.
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.
Example 1:
the invention provides a high-hardness high-nickel-chromium-molybdenum composite roll structure as shown in figures 1-9, which comprises a roll made of high-nickel-chromium-molybdenum alloy, wherein a built-in cooling assembly is arranged on the roll 1, the built-in cooling assembly comprises a circular cavity 6 arranged in the roll 1, a roll shaft 2 which penetrates through the middle of the circular cavity 6 and simultaneously penetrates through two end faces of the roll 1 is arranged in the middle of the roll 1, conveying channels 3 are respectively arranged in two ends of the roll shaft 2, a first hole 21 communicated between one group of conveying channels 3 and the circular cavity 6 is arranged at one end of the roll shaft 2, and a second hole 22 communicated between the other group of conveying channels 3 and the circular cavity 6 is arranged at the other end of the roll shaft 2;
the circular cavity 6 is internally provided with a rotating mechanism which drives the roller 1 to deform and complex through rotary expanding force, the rotating mechanism comprises a rotating ring 8 which is movably sleeved on the roller shaft 2, one side of the rotating ring 8 is fixedly welded with a hard scraper 7, and the hard scraper 7 is in a T-shaped structure which is movably attached to the inner wall of the circular cavity 6.
A storage tank 9 for storing liquid cooling medium is arranged at one side of the roller 1, partition plates 14 are fixedly welded at two ends of the interior of the storage tank 9, one side, away from each other, of each two groups of partition plates 14 partitions the interior of the storage tank 9 into a second chamber 15, the interior of the storage tank 9 is partitioned into a first chamber 11 between the two groups of partition plates 14, a first heating unit 12 for heating the cooling medium is arranged in the first chamber 11, a circulating unit 13 is fixedly arranged at one side of each partition plate 14, a second pipeline 34 communicated with the interior of the first chamber 11 is arranged at one end of the circulating unit 13, a third pipeline 36 communicated with the interior of the second chamber 15 is arranged at the other end of the circulating unit 13, a third control valve 37 and a monitoring unit 38 are arranged in the third pipeline 36, a first pipeline 33 communicated with the interior of the first chamber 11 is further arranged on the circulating unit 13, a first control valve 32 is arranged in the first pipeline 33, and a conveying pipeline 10 is communicated with the second chamber 15, the end of the delivery duct 10 communicates with the interior of the delivery passage 3 through a communication assembly.
According to the invention, the high nickel-chromium-molybdenum alloy roller has higher hardness and shape memory effect, the service life of the roller 1 is ensured, the circular cavity 6 is arranged in the roller 1, the liquid cooling medium can conveniently flow in the circular cavity 6 and the storage box 9 in a circulating manner, so that the phenomenon that the temperature of the roller 1 is too high is avoided, and the circulating liquid cooling medium is heated in a circulating manner through the first heating unit 12 in the first cavity 11, so that the liquid cooling medium passing through the circular cavity 6 has a certain temperature, the roller 1 is cooled under the condition of keeping the certain temperature, and the phenomenon that the roller 1 is excessively cooled or excessively heated is avoided.
The communicating component comprises an outer ring body 29, an inner cavity 28 is arranged inside the outer ring body 29, the outer ring body 29 is movably sleeved on the outer ring of the roller shaft 2, a plurality of groups of communicating holes 27 distributed in a circular array are arranged on the outer ring of the roller shaft 2, the communicating holes 27 are communicated between the conveying channel 3 and the inner cavity 28, a limiting ring is fixedly welded on the inner wall of one side, close to the inner cavity 28, of the inner ring of the outer ring body 29, a limiting ring 39 movably sleeved on the outer portion of the limiting ring is fixedly welded on the outer ring of the roller shaft 2, a limiting groove 31 for the limiting ring 39 to rotate is formed between the limiting ring and the inner wall of the side face of the inner cavity 28, an external pipeline is fixedly arranged at the lower end of the outer ring body 29, the external pipeline is communicated with the conveying pipeline 10 through a hose 16, and a second control valve 35 is arranged in the conveying pipeline 10.
Further, liquid cooling medium loops through conveying channel 3, the first hole 21 of roll axle 2 one end and gets into the inside of circular cavity 6, then through second hole 22 and the conveying channel 3 discharge of roll axle 2 other end, liquid cooling medium circulates into the inside of circular cavity 6 again after cooling through roll 1 outside to cool off roll 1 through the inside of roll 1, and the liquid cooling medium that the cooling was used keeps in certain temperature range, avoids the influence that the supercooling of roll 1 caused machining efficiency.
The inside of circular cavity 6 is provided with seal assembly, seal assembly includes the first magnetic sheet 17 of fixed welding on the inner wall of circular cavity 6, first magnetic sheet 17 is provided with the multiunit, the first magnetic sheet 17 of multiunit is circular array form and distributes, it has holding ring 18 still to fixed welding on the inner wall of circular cavity 6, the fixed rubber seal ring 19 that is provided with in inner circle department of holding ring 18, 19 activity laminating of rubber seal ring are at the outer lane of roll axle 2, rubber seal ring 19 is close to the inside rigidity of roll axle 2 outer lane be provided with the first magnetic sheet 17 between the second magnetic sheet 20 that keeps away from that repels mutually.
Specifically, the first magnetic plate 17 and the second magnetic plate 20 repel each other and are far away from each other, so that the second magnetic plate 20 can pull the inner ring of the rubber sealing ring 19 to be attached to the outer ring of the roll shaft 2, good sealing performance is kept, the durability of the magnetic repulsion force is strong, and the situation that the rubber sealing ring 19 cannot be sealed due to the failure of the elastic performance is avoided.
The roller 1 and the roller shaft 2 are fixedly connected, a connecting ring 4 is movably sleeved at the outer ring of the roller shaft 2, and the connecting ring 4 is fixed at the outer ring of the roller shaft 2 and the side surface of the roller 1 through screws.
The roller 1 and the roller shaft 2 are detachably connected, so that the roller is convenient to disassemble, assemble and use.
One side of roll 1 is provided with the tight subassembly of outer package with slewing mechanism complex, the tight subassembly of outer package includes the promotion unit backup pad 26 of department in roll axle 2 outer lane through the fix with screw, the fixed welding in one side that promotes unit backup pad 26 is close to roll 1 has promotion unit 25, promote unit 25 transverse distribution, the fixed welding in one end that promotes unit backup pad 26 is kept away from to promotion unit 25 has outer clamping ring 24, outer clamping ring 24's inner circle diameter equals with the outer lane diameter of roll 1, outer clamping ring 24's inside is fixed and is provided with second heating unit 23, second heating unit 23 is provided with the multiunit, multiunit second heating unit 23 is circular array form and distributes.
In the device, when a liquid cooling medium enters one side of the circular cavity 6, the liquid cooling medium can push the hard scraper 7 to rotationally move in the circular cavity 6, and at the moment, the liquid cooling medium can be heated to a higher temperature, so that the inner wall of the roller 1 is repaired and deformed in the process of rotating, scraping and pressing by the circular cavity 6, and the phenomenon that the roller 1 cannot be repaired after being deformed is avoided;
and in the rotating process of the hard scraper 7, the pushing unit 25 pushes the outer ring 24 to move at the outer ring of the roller 1, and the outer ring of the outer ring 24 heats the outer wall of the roller 1 through the second heating unit 23, so that the outer wall of the roller 1 is repaired, and the roller 1 is integrally repaired.
One end of the roll shaft 2 is provided with a power unit 5 that drives the roll shaft 2 to rotate.
Further, the power unit 5 may use a servo motor or the like, and the power unit 5 may rotate the roll 1 through the roll shaft 2.
The length of the hard scraper 7 is less than that of the circular cavity 6, and the T-shaped end of the hard scraper 7 is movably attached to the inner wall of the circular cavity 6.
Specifically, the circulating units 13 on the two side partition plates 14 can be intermittently started, so that the hard scraper 7 circularly moves in the circular cavity 6, the circulating units 13 can use a water pump and other devices, the liquid cooling medium can use water and other devices, while the first control valve 32 and the third control valve 37 may be both solenoid valves or the like, and the monitoring unit 38 may be a temperature sensor or the like, when the monitoring unit 38 monitors a threshold set by the temperature height of the liquid cooling medium, the third control valve 37 can be controlled to be closed and the first control valve 32 to be opened, so that circulation of the liquid cooling medium in the first chamber 11 is achieved, when the first heating unit 12 is switched off, so that the liquid cooling medium can reach the proper temperature and then the third control valve 37 is opened, and the second control valve 35 in the conveying pipeline 10 is opened again to convey the liquid cooling medium with the specific temperature to the inside of the circular cavity 6 for cooling the roller 1.
One end of the roller 1 close to the power unit 5 is opened, a closed ring plate 40 is arranged at the opening position, and the closed ring plate 40 is fixed at the end part of the roller 1 through screws.
In practical use, the arrangement of the closed ring plate 40 is convenient for dismounting the structure inside the roller 1;
in the apparatus, the second control valve 35 may be an electromagnetic valve, the pushing unit 25 may be an electric push rod or an air cylinder, the second heating unit 23 may be an electric heating plate, and the first heating unit 12 may be an electric heating wire.
The roller 1 is a round roller structure, and the storage box 9 is a rectangular box structure.
Wherein, the arrangement of outer ring 29 makes liquid cooling medium can carry in circular cavity 6 in the time do not influence the rotation of roll axle 2, and structural design is reasonable.
Example 2:
in this embodiment, on the basis of embodiment 1, the method for preparing a high nickel-chromium-molybdenum alloy roll in this embodiment includes the following steps:
the method comprises the following steps: weighing raw materials: 3 percent of C, 1.2 percent of Nis, 1.1 percent of Cr1, 0.8 percent of Mo0.1 percent of Si, 0.1 percent of Mn0.1 percent of Y, 0.1 percent of modified bismuth titanate and the balance of Fe;
step two: feeding the raw materials into a smelting furnace for complete smelting, and then feeding the raw materials into a mold for cooling and shaping;
step three: and (4) carrying out heat treatment process treatment on the roller shaped in the step two, and obtaining the high nickel-chromium-molybdenum alloy roller after the treatment is finished.
The modification method of the modified bismuth titanate of the embodiment comprises the following steps:
mixing bismuth titanate, graphene and carbon nanotubes according to a weight ratio of 6:2:1 to obtain a composite material, adding 10 parts of the composite material into 35 parts of water, adding hydrochloric acid to adjust the pH value to 5.0, then adding 1 part of silane coupling agent KH560 and 1 part of sodium lignin sulfonate, stirring and fully dispersing, washing with water, and drying to obtain the modified bismuth titanate.
The heat treatment process of the embodiment specifically comprises the following operation steps: heating to 150 deg.C at a rate of 1 deg.C/min, maintaining for 10min, further heating to 360 deg.C at a rate of 5 deg.C/min, maintaining for 5min, and naturally cooling to room temperature.
Example 3:
in this embodiment, on the basis of embodiment 1, the method for preparing a high nickel-chromium-molybdenum alloy roll in this embodiment includes the following steps:
the method comprises the following steps: weighing raw materials: 3.5 percent of C, 1.4 percent of Nis, 1.3 percent of Cr1, 0.9 percent of Mo0, 0.6 percent of Si, 0.7 percent of Mn0.07 percent of Y, 0.4 percent of modified bismuth titanate and the balance of Fe;
step two: feeding the raw materials into a smelting furnace for complete smelting, and then feeding the raw materials into a mold for cooling and shaping;
step three: and (4) carrying out heat treatment process treatment on the roller shaped in the step two, and obtaining the high nickel-chromium-molybdenum alloy roller after the treatment is finished.
The modification method of the modified bismuth titanate of the embodiment comprises the following steps:
mixing bismuth titanate, graphene and carbon nanotubes according to a weight ratio of 6:2:1 to obtain a composite material, adding 20 parts of the composite material into 45 parts of water, adding hydrochloric acid to adjust the pH value to 5.0, then adding 5 parts of a silane coupling agent KH560 and 2 parts of sodium lignosulfonate, stirring and fully dispersing, washing with water, and drying to obtain the modified bismuth titanate.
The heat treatment process of the embodiment specifically comprises the following operation steps: heating to 170 deg.C at a rate of 3 deg.C/min, maintaining for 20min, further heating to 370 deg.C at a rate of 5 deg.C/min, maintaining for 5-10min, and naturally cooling to room temperature.
Example 4:
in this embodiment, on the basis of embodiment 1, the method for preparing a high nickel-chromium-molybdenum alloy roll in this embodiment includes the following steps:
the method comprises the following steps: weighing raw materials: c with the weight percentage of 3.25%, Ni1.3%, Cr1.2%, Mo0.85%, Si0.35%, Mn0.4%, Y0.06%, modified bismuth titanate 0.25% and the balance of Fe;
step two: feeding the raw materials into a smelting furnace for complete smelting, and then feeding the raw materials into a mold for cooling and shaping;
step three: and (4) carrying out heat treatment process treatment on the roller shaped in the step two, and obtaining the high nickel-chromium-molybdenum alloy roller after the treatment is finished.
The modification method of the modified bismuth titanate of the embodiment comprises the following steps:
mixing bismuth titanate, graphene and carbon nanotubes according to a weight ratio of 6:2:1 to obtain a composite material, adding 15 parts of the composite material into 40 parts of water, adding hydrochloric acid to adjust the pH value to 5.0, then adding 3 parts of silane coupling agent KH560 and 1.5 parts of sodium lignin sulfonate, stirring and fully dispersing, washing with water, and drying to obtain the modified bismuth titanate.
The heat treatment process of the embodiment specifically comprises the following operation steps: heating to 160 ℃ at the speed of 2 ℃/min, preserving heat for 15min, then continuously heating to 365 ℃ at the speed of 5 ℃/min, preserving heat for 7.5min, and finally naturally cooling to room temperature.
Comparative example 1.
In contrast to example 4, no modified bismuth titanate was added.
Comparative example 2.
The difference from example 3 is that carbon nanotubes were not added in the modification of the modified bismuth titanate.
Comparative example 3.
Example 3 is different from modified bismuth titanate in that graphene is not added.
Comparative example 4.
Different from the example 3 in that the modification method of the modified bismuth titanate is different;
mixing bismuth titanate, graphene and carbon nano tubes according to the weight ratio of 6:2:1 to obtain a composite material, then adding 2-3 times of sodium alginate aqueous solution with the mass fraction of 5% to disperse fully, adding hydrochloric acid, adjusting the pH value to 5.0, washing with water, and drying to obtain the modified bismuth titanate.
Comparative example 5.
Different from the embodiment 3, the specific operation steps of the heat treatment process are as follows: heating to 360 deg.C at a rate of 3 deg.C/min, maintaining for 15min, and cooling to room temperature at a rate of 1 deg.C/min.
The performance of the products of examples 2 to 4 and comparative examples 1 to 5 of the present invention was tested
As can be seen from examples 2 to 4 and comparative examples 1 to 5;
the hardness, the wear resistance and the thermal conductivity of the product are obviously reduced without adding the modified bismuth titanate, while the hardness and the wear resistance of the product are obviously reduced without adding the graphene, but the heat dissipation performance of the product can be improved to a certain extent;
the carbon nano tubes are not added, the hardness, wear resistance and heat conductivity of the product are all deteriorated, and based on the deterioration, the modified bismuth titanate has a synergistic improvement effect by matching the graphene and the carbon nano tubes, so that the heat conductivity, hardness and wear resistance of the product can be enhanced; the performance of the product is improved in a coordinated manner, the wear resistance and hardness of the product are ensured, and the heat dissipation performance of the product is enhanced and improved.
Meanwhile, the bismuth titanate is modified by other methods, the modification effect is not obvious as the improvement effect of the invention, the heat treatment process parameters and conditions are changed, and the performance of the product tends to be reduced.
The working principle is as follows: the roller of the invention passes through the roller of high nickel-chromium-molybdenum alloy, has higher hardness, heat dissipation and shape memory effect, ensures the service life of the roller 1, and the circular cavity 6 is arranged in the roller 1, so that the liquid cooling medium can conveniently flow in the circular cavity 6 and the storage box 9 in a circulating way, thereby avoiding the overhigh temperature of the roller 1, and the circulating liquid cooling medium is heated in a circulating way through the first heating unit 12 in the first cavity 11, so that the liquid cooling medium passing through the circular cavity 6 has a certain temperature, the roller 1 is cooled under the condition of keeping a certain temperature state, and the phenomenon of excessive cooling or excessive heating of the roller 1 is avoided.
The liquid cooling medium enters the circular cavity 6 through the conveying channel 3 and the first hole 21 at one end of the roller shaft 2 in sequence, and then is discharged through the second hole 22 and the conveying channel 3 at the other end of the roller shaft 2, the liquid cooling medium is cooled outside the roller 1 and then enters the circular cavity 6 in a circulating mode again, so that the roller 1 is cooled through the inside of the roller 1, the liquid cooling medium used for cooling is kept within a certain temperature range, and the influence of supercooling of the roller 1 on the processing efficiency is avoided; the first magnetic plate 17 and the second magnetic plate 20 repel each other and are far away from each other, so that the second magnetic plate 20 can pull the inner ring of the rubber sealing ring 19 to be attached to the outer ring of the roll shaft 2, good sealing performance is kept, the durability of the magnetic repulsion force is strong, and the situation that the rubber sealing ring 19 cannot be sealed due to the failure of the elastic performance of the rubber sealing ring 19 is avoided; the roller 1 is detachably connected with the roller shaft 2, so that the roller is convenient to disassemble, assemble and use.
When liquid cooling medium enters one side of the circular cavity 6, the liquid cooling medium can push the hard scraper 7 to rotationally move in the circular cavity 6, and at the moment, the liquid cooling medium can be heated to a higher temperature, so that the deformation of the inner wall of the roller 1 can be repaired in the process of rotating, scraping and pressing the inner wall by the circular cavity 6, and the phenomenon that the roller 1 cannot be repaired after being deformed is avoided;
and in the rotating process of the hard scraper 7, the pushing unit 25 pushes the outer ring 24 to move at the outer ring of the roller 1, and the outer ring of the outer ring 24 heats the outer wall of the roller 1 through the second heating unit 23, so that the outer wall of the roller 1 is repaired, and the roller 1 is integrally repaired.
The power unit 5 can use a servo motor and other devices, and the power unit 5 can drive the roller 1 to rotate through the roller shaft 2; the circulating units 13 on the two side partition plates 14 can be started intermittently to enable the hard scraper 7 to move circularly in the circular cavity 6, the circulating units 13 can use a water pump and the like, the liquid cooling medium can use water and the like, while the first control valve 32 and the third control valve 37 may be both solenoid valves or the like, and the monitoring unit 38 may be a temperature sensor or the like, when the monitoring unit 38 monitors a threshold set by the temperature height of the liquid cooling medium, the third control valve 37 can be controlled to be closed and the first control valve 32 to be opened, so that circulation of the liquid cooling medium in the first chamber 11 is achieved, when the first heating unit 12 is switched off, so that the liquid cooling medium can reach the proper temperature and then the third control valve 37 is opened, and the second control valve 35 in the conveying pipeline 10 is opened again to convey the liquid cooling medium with the specific temperature to the inside of the circular cavity 6 for cooling the roller 1.
Claims (10)
1. High nickel chromium molybdenum composite roll structure of high rigidity, its characterized in that: the high-nickel-chromium molybdenum alloy roller comprises a roller (1) made of high-nickel-chromium molybdenum alloy, wherein a built-in cooling assembly is arranged on the roller (1), the built-in cooling assembly comprises a circular cavity (6) arranged inside the roller (1), a roller shaft (2) penetrating through the middle of the circular cavity (6) and simultaneously penetrating through two end faces of the roller (1) is arranged in the middle of the roller (1), conveying channels (3) are respectively arranged inside two ends of the roller shaft (2), one end of the roller shaft (2) is provided with a first hole (21) communicated between one group of conveying channels (3) and the circular cavity (6), and the other end of the roller shaft (2) is provided with a second hole (22) communicated between the other group of conveying channels (3) and the circular cavity (6);
the rolling mill is characterized in that a rotating mechanism which drives the roller (1) to deform and complex through rotary expanding force is arranged in the circular cavity (6), the rotating mechanism comprises a rotating ring (8) which is movably sleeved on the roller shaft (2), a hard scraper (7) is fixedly welded on one side of the rotating ring (8), and the hard scraper (7) is of a T-shaped structure which is movably attached to the inner wall of the circular cavity (6).
2. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 1, characterized in that: a storage tank (9) for storing a liquid cooling medium is arranged on one side of the roller (1), partition plates (14) are fixedly welded at two ends of the interior of the storage tank (9), one side, far away from each other, of each two groups of partition plates (14) partitions the interior of the storage tank (9) into a second chamber (15), the interior of the storage tank (9) is partitioned into a first chamber (11) between the two groups of partition plates (14), a first heating unit (12) for heating the cooling medium is arranged in the first chamber (11), a circulating unit (13) is fixedly arranged on one side of each partition plate (14), a second pipeline (34) communicated with the interior of the first chamber (11) is arranged at one end of each circulating unit (13), a third pipeline (36) communicated with the interior of the second chamber (15) is arranged at the other end of each circulating unit (13), and a third control valve (37) and a monitoring unit (38) are arranged in each third pipeline (36), the circulating unit (13) is further provided with a first pipeline (33) communicated with the inside of the first chamber (11), a first control valve (32) is arranged in the first pipeline (33), the second chamber (15) is communicated with a conveying pipeline (10), and the end part of the conveying pipeline (10) is communicated with the inside of the conveying channel (3) through a communicating component.
3. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 2, characterized in that: the communicating component comprises an outer ring body (29), an inner cavity (28) is arranged inside the outer ring body (29), the outer ring body (29) is movably sleeved at the outer ring of the rolling roll shaft (2), a plurality of groups of communicating holes (27) distributed in a circular array form are arranged at the outer ring of the rolling roll shaft (2), the communicating holes (27) are communicated between the conveying channel (3) and the inner cavity (28), a limiting ring is fixedly welded on the inner wall of one side, close to the inner cavity (28), of the inner ring of the outer ring body (29), a limiting ring (39) movably sleeved outside the limiting ring is fixedly welded at the outer ring of the rolling roll shaft (2), a limiting groove (31) for the limiting ring (39) to rotate is formed between the limiting ring and the inner wall of the side face of the inner cavity (28), an external pipeline is fixedly arranged at the lower end of the outer ring body (29), and the external pipeline is communicated with the conveying pipeline (10) through a hose (16), a second control valve (35) is arranged in the conveying pipeline (10).
4. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 3, characterized in that: the inside of circular cavity (6) is provided with seal assembly, and seal assembly includes first magnetic plate (17) of fixed welding on circular cavity (6) inner wall, first magnetic plate (17) are provided with the multiunit, and first magnetic plate (17) of multiunit are circular array form and distribute, it has holding ring (18) to go back fixed welding on the inner wall of circular cavity (6), the fixed rubber seal ring (19) that is provided with of inner circle department of holding ring (18), the outer lane at roll axle (2) is laminated in rubber seal ring (19) activity, and the inside rigidity that rubber seal ring (19) are close to roll axle (2) outer lane is provided with and first magnetic plate (17) between second magnetic plate (20) that repel each other and keep away from.
5. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 4, characterized in that: the roller (1) and the roller shaft (2) are fixedly connected, the connecting ring (4) is movably sleeved at the outer ring of the roller shaft (2), and the connecting ring (4) is simultaneously fixed at the outer ring of the roller shaft (2) and the side surface of the roller (1) through screws.
6. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 5, characterized in that: one side of roll (1) is provided with the tight subassembly of outer package with slewing mechanism complex, the tight subassembly of outer package includes promotion unit backup pad (26) of fix with screw in roll axle (2) outer lane department, the fixed welding of one side that promotes unit backup pad (26) is close to roll (1) has promotion unit (25), promote unit (25) transverse distribution, the fixed welding of one end that promotes unit backup pad (26) is kept away from to promotion unit (25) has outer pressure ring (24), the inner circle diameter of outer pressure ring (24) equals with the outer lane diameter of roll (1), the inside of outer pressure ring (24) is fixed and is provided with second heating unit (23), second heating unit (23) are provided with the multiunit, and multiunit second heating unit (23) are circular array form and distribute, the one end of roll axle (2) is provided with drive roll axle (2) pivoted power pack (5), the length of the hard scraper (7) is smaller than that of the circular cavity (6), and the T-shaped end of the hard scraper (7) is movably attached to the inner wall of the circular cavity (6).
7. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 6, characterized in that: one end of the roller (1) close to the power unit (5) is provided with an opening, a closed ring plate (40) is arranged at the opening position, and the closed ring plate (40) is fixed at the end part of the roller (1) through a screw; the roller (1) is of a round roller structure, and the storage box (9) is of a rectangular box structure.
8. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 1, characterized in that: the preparation method of the high nickel-chromium-molybdenum alloy roller comprises the following steps:
the method comprises the following steps: weighing raw materials: c with the weight percentage of 3-3.5%, Ni1.2-1.4%, Cr1.1-1.3%, Mo0.8-0.9%, Si0.1-0.6%, Mn0.1-0.7%, Y0.05-0.07%, modified bismuth titanate 0.1-0.4%, and the balance of Fe;
step two: feeding the raw materials into a smelting furnace for complete smelting, and then feeding the raw materials into a mold for cooling and shaping;
step three: and (4) carrying out heat treatment process treatment on the roller shaped in the step two, and obtaining the high nickel-chromium-molybdenum alloy roller after the treatment is finished.
9. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 8, characterized in that: the modification method of the modified bismuth titanate comprises the following steps:
mixing bismuth titanate, graphene and carbon nanotubes according to a weight ratio of 6:2:1 to obtain a composite material, adding 10-20 parts of the composite material into 35-45 parts of water, adding hydrochloric acid to adjust the pH value to 5.0, then adding 1-5 parts of silane coupling agent KH560 and 1-2 parts of sodium lignosulfonate, stirring and fully dispersing, washing with water, and drying to obtain the modified bismuth titanate.
10. The high-hardness high-nickel-chromium-molybdenum composite roll structure according to claim 9, characterized in that: the heat treatment process comprises the following specific operation steps: heating to 150-.
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Citations (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB836026A (en) * | 1956-08-15 | 1960-06-01 | John Ivan Morley | Improvements in or relating to martensitic stainless steels |
| JPS61176954A (en) * | 1985-01-31 | 1986-08-08 | Canon Inc | Fixing method of heating roller |
| JPS62180019A (en) * | 1986-02-04 | 1987-08-07 | Kawasaki Steel Corp | Manufacture of composite roll |
| JPH091296A (en) * | 1995-04-11 | 1997-01-07 | Sumitomo Special Metals Co Ltd | Rapid cooling roll for production of magnet alloy |
| US20060022018A1 (en) * | 2002-11-26 | 2006-02-02 | Hakko Corporation | Soldering iron with replaceable tip |
| JP2006051508A (en) * | 2004-08-10 | 2006-02-23 | Ntn Corp | Bearing for roll neck of rolling mill |
| KR20060031159A (en) * | 2004-10-07 | 2006-04-12 | 박호직 | Roll formming machine |
| JP2010077480A (en) * | 2008-09-25 | 2010-04-08 | Nippon Steel Corp | Hot-dip zincing steel sheet, and method for manufacturing the same |
| JP2010168639A (en) * | 2009-01-26 | 2010-08-05 | Daido Steel Co Ltd | Steel for die-casting mold |
| WO2012092208A1 (en) * | 2010-12-23 | 2012-07-05 | California Institute Of Technology | Sheet forming of mettalic glass by rapid capacitor discharge |
| DE102011010857A1 (en) * | 2011-02-10 | 2012-08-16 | Willibald Benz | Producing thin metal strips on casting-rolling plant, comprises providing mold locating at casting space, applying mold wall pores penetrating cooling water to mold, and elevating cooling water subjected to metal melt of gas |
| CN202427711U (en) * | 2011-12-19 | 2012-09-12 | 宝山钢铁股份有限公司 | Pinch roller of large side-pressing machine |
| KR20120132840A (en) * | 2011-05-30 | 2012-12-10 | 현대제철 주식회사 | Apparatus for cooling inside of roll |
| CN202779192U (en) * | 2012-08-30 | 2013-03-13 | 三门峡天一铝业有限公司 | Temperature control system of roller |
| CN103014516A (en) * | 2012-12-21 | 2013-04-03 | 江苏大学 | Borated low-alloy high-speed steel roller and manufacturing method thereof |
| JP2013177669A (en) * | 2012-01-31 | 2013-09-09 | Daido Steel Co Ltd | Steel for forming die having excellent thermal conductivity, mirror polishability, weatherability, toughness, and machinability |
| CN103313937A (en) * | 2010-09-03 | 2013-09-18 | 奈克松有限公司 | Porous electroactive material |
| US20140049970A1 (en) * | 2012-08-15 | 2014-02-20 | Hendrik Pieter Jacobus De Bock | Multi-function synthetic jet and method of manufacturing same |
| CN103624084A (en) * | 2013-11-20 | 2014-03-12 | 枣庄瑞兴机械制造有限公司 | Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof |
| CN103741060A (en) * | 2013-12-19 | 2014-04-23 | 马鞍山市方圆材料工程有限公司 | Alloy steel material for yttrium-containing roller and preparation method thereof |
| EP2859969A2 (en) * | 2013-10-08 | 2015-04-15 | Honeywell International Inc. | Process for making a turbine wheel and shaft assembly |
| JP2015224363A (en) * | 2014-05-27 | 2015-12-14 | 大同特殊鋼株式会社 | Steel for metallic mold and metallic mold |
| CN105307776A (en) * | 2013-03-15 | 2016-02-03 | 通用电气公司 | Synthetic jet with non-metallic blade structure |
| CN105750529A (en) * | 2016-04-01 | 2016-07-13 | 枣庄瑞兴机械制造有限公司 | High-tungsten high-abrasion-resistant high-speed steel composite roller and preparation method thereof |
| WO2017038879A1 (en) * | 2015-09-02 | 2017-03-09 | 大同特殊鋼株式会社 | Steel for molds and molding tool |
| JP2018009202A (en) * | 2016-07-11 | 2018-01-18 | 日本パーカライジング株式会社 | Carbon steel before heat treatment having excellent scale removal property, carbon steel after heat treatment, manufacturing method of the same, scale removing method, and agent for easily forming descaling film |
| CN208474318U (en) * | 2018-05-10 | 2019-02-05 | 杭州亚恒汽车零部件有限公司 | A kind of automobile hub bearing |
| US20190292721A1 (en) * | 2018-03-20 | 2019-09-26 | Nanotek Instruments, Inc. | Process for graphene-mediated metallization of fibers, yarns, and fabrics |
| US20190300372A1 (en) * | 2018-04-03 | 2019-10-03 | Nanotek Instruments, Inc. | Production process for metallized graphene foam having high through-plane conductivity |
| CN110387506A (en) * | 2019-07-25 | 2019-10-29 | 唐山市国宗元裕龙重工有限公司 | High abrasion centrifugal compound high-speed steel roll |
| CN110883094A (en) * | 2019-12-17 | 2020-03-17 | 新昌县雷涛机械有限公司 | Aluminum alloy plate blank aluminum-clad continuous binding device |
| CN111001792A (en) * | 2019-12-31 | 2020-04-14 | 湖北腾升科技股份有限公司 | High-nickel high-chromium steel roller and preparation method thereof |
| CN111036680A (en) * | 2019-12-19 | 2020-04-21 | 湖北腾升科技股份有限公司 | Nodular cast iron roller |
| KR20200086307A (en) * | 2017-11-09 | 2020-07-16 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Thermal conductive silicone grease composition |
| CN212598310U (en) * | 2020-05-17 | 2021-02-26 | 无锡科伟模具制造有限公司 | Special die for left and right rear door beam of automobile |
| KR20210038733A (en) * | 2019-09-16 | 2021-04-08 | 주식회사 로빈첨단소재 | Surface modification method of the inorganic filler, and low viscosity heat dissipating resin composition comprising thereof |
| CN113502414A (en) * | 2021-06-10 | 2021-10-15 | 暨南大学 | High-thermal-conductivity aviation aluminum alloy and application thereof in preparation of ultra-large-area LED light source radiator |
| CN113502413A (en) * | 2021-06-10 | 2021-10-15 | 暨南大学 | Aluminum alloy material for LED light source radiator and preparation method thereof |
| CN113528896A (en) * | 2021-06-10 | 2021-10-22 | 暨南大学 | Nano carbon-aluminum composite heat conduction material and application thereof in preparation of high-power LED light source radiator |
| CN215391592U (en) * | 2021-05-13 | 2022-01-04 | 陕西恩思特金属有限公司 | Roller with cooling function |
| CN215879232U (en) * | 2021-05-29 | 2022-02-22 | 绍兴市恒时利机械制造有限公司 | High-hardness special-shaped finished product roller |
-
2022
- 2022-05-16 CN CN202210528734.1A patent/CN114888090B/en active Active
Patent Citations (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB836026A (en) * | 1956-08-15 | 1960-06-01 | John Ivan Morley | Improvements in or relating to martensitic stainless steels |
| JPS61176954A (en) * | 1985-01-31 | 1986-08-08 | Canon Inc | Fixing method of heating roller |
| JPS62180019A (en) * | 1986-02-04 | 1987-08-07 | Kawasaki Steel Corp | Manufacture of composite roll |
| JPH091296A (en) * | 1995-04-11 | 1997-01-07 | Sumitomo Special Metals Co Ltd | Rapid cooling roll for production of magnet alloy |
| US20060022018A1 (en) * | 2002-11-26 | 2006-02-02 | Hakko Corporation | Soldering iron with replaceable tip |
| JP2006051508A (en) * | 2004-08-10 | 2006-02-23 | Ntn Corp | Bearing for roll neck of rolling mill |
| KR20060031159A (en) * | 2004-10-07 | 2006-04-12 | 박호직 | Roll formming machine |
| JP2010077480A (en) * | 2008-09-25 | 2010-04-08 | Nippon Steel Corp | Hot-dip zincing steel sheet, and method for manufacturing the same |
| JP2010168639A (en) * | 2009-01-26 | 2010-08-05 | Daido Steel Co Ltd | Steel for die-casting mold |
| CN103313937A (en) * | 2010-09-03 | 2013-09-18 | 奈克松有限公司 | Porous electroactive material |
| WO2012092208A1 (en) * | 2010-12-23 | 2012-07-05 | California Institute Of Technology | Sheet forming of mettalic glass by rapid capacitor discharge |
| DE102011010857A1 (en) * | 2011-02-10 | 2012-08-16 | Willibald Benz | Producing thin metal strips on casting-rolling plant, comprises providing mold locating at casting space, applying mold wall pores penetrating cooling water to mold, and elevating cooling water subjected to metal melt of gas |
| KR20120132840A (en) * | 2011-05-30 | 2012-12-10 | 현대제철 주식회사 | Apparatus for cooling inside of roll |
| CN202427711U (en) * | 2011-12-19 | 2012-09-12 | 宝山钢铁股份有限公司 | Pinch roller of large side-pressing machine |
| JP2013177669A (en) * | 2012-01-31 | 2013-09-09 | Daido Steel Co Ltd | Steel for forming die having excellent thermal conductivity, mirror polishability, weatherability, toughness, and machinability |
| US20140049970A1 (en) * | 2012-08-15 | 2014-02-20 | Hendrik Pieter Jacobus De Bock | Multi-function synthetic jet and method of manufacturing same |
| CN202779192U (en) * | 2012-08-30 | 2013-03-13 | 三门峡天一铝业有限公司 | Temperature control system of roller |
| CN103014516A (en) * | 2012-12-21 | 2013-04-03 | 江苏大学 | Borated low-alloy high-speed steel roller and manufacturing method thereof |
| CN105307776A (en) * | 2013-03-15 | 2016-02-03 | 通用电气公司 | Synthetic jet with non-metallic blade structure |
| EP2859969A2 (en) * | 2013-10-08 | 2015-04-15 | Honeywell International Inc. | Process for making a turbine wheel and shaft assembly |
| CN103624084A (en) * | 2013-11-20 | 2014-03-12 | 枣庄瑞兴机械制造有限公司 | Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof |
| CN103741060A (en) * | 2013-12-19 | 2014-04-23 | 马鞍山市方圆材料工程有限公司 | Alloy steel material for yttrium-containing roller and preparation method thereof |
| JP2015224363A (en) * | 2014-05-27 | 2015-12-14 | 大同特殊鋼株式会社 | Steel for metallic mold and metallic mold |
| WO2017038879A1 (en) * | 2015-09-02 | 2017-03-09 | 大同特殊鋼株式会社 | Steel for molds and molding tool |
| CN105750529A (en) * | 2016-04-01 | 2016-07-13 | 枣庄瑞兴机械制造有限公司 | High-tungsten high-abrasion-resistant high-speed steel composite roller and preparation method thereof |
| JP2018009202A (en) * | 2016-07-11 | 2018-01-18 | 日本パーカライジング株式会社 | Carbon steel before heat treatment having excellent scale removal property, carbon steel after heat treatment, manufacturing method of the same, scale removing method, and agent for easily forming descaling film |
| KR20200086307A (en) * | 2017-11-09 | 2020-07-16 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Thermal conductive silicone grease composition |
| US20190292721A1 (en) * | 2018-03-20 | 2019-09-26 | Nanotek Instruments, Inc. | Process for graphene-mediated metallization of fibers, yarns, and fabrics |
| US20190300372A1 (en) * | 2018-04-03 | 2019-10-03 | Nanotek Instruments, Inc. | Production process for metallized graphene foam having high through-plane conductivity |
| CN208474318U (en) * | 2018-05-10 | 2019-02-05 | 杭州亚恒汽车零部件有限公司 | A kind of automobile hub bearing |
| CN110387506A (en) * | 2019-07-25 | 2019-10-29 | 唐山市国宗元裕龙重工有限公司 | High abrasion centrifugal compound high-speed steel roll |
| KR20210038733A (en) * | 2019-09-16 | 2021-04-08 | 주식회사 로빈첨단소재 | Surface modification method of the inorganic filler, and low viscosity heat dissipating resin composition comprising thereof |
| CN110883094A (en) * | 2019-12-17 | 2020-03-17 | 新昌县雷涛机械有限公司 | Aluminum alloy plate blank aluminum-clad continuous binding device |
| CN111036680A (en) * | 2019-12-19 | 2020-04-21 | 湖北腾升科技股份有限公司 | Nodular cast iron roller |
| CN111001792A (en) * | 2019-12-31 | 2020-04-14 | 湖北腾升科技股份有限公司 | High-nickel high-chromium steel roller and preparation method thereof |
| CN212598310U (en) * | 2020-05-17 | 2021-02-26 | 无锡科伟模具制造有限公司 | Special die for left and right rear door beam of automobile |
| CN215391592U (en) * | 2021-05-13 | 2022-01-04 | 陕西恩思特金属有限公司 | Roller with cooling function |
| CN215879232U (en) * | 2021-05-29 | 2022-02-22 | 绍兴市恒时利机械制造有限公司 | High-hardness special-shaped finished product roller |
| CN113502414A (en) * | 2021-06-10 | 2021-10-15 | 暨南大学 | High-thermal-conductivity aviation aluminum alloy and application thereof in preparation of ultra-large-area LED light source radiator |
| CN113502413A (en) * | 2021-06-10 | 2021-10-15 | 暨南大学 | Aluminum alloy material for LED light source radiator and preparation method thereof |
| CN113528896A (en) * | 2021-06-10 | 2021-10-22 | 暨南大学 | Nano carbon-aluminum composite heat conduction material and application thereof in preparation of high-power LED light source radiator |
Non-Patent Citations (8)
| Title |
|---|
| SHENG-DE HU: "Process Optimization of Planetary Rolling of Bismuth-Containing Austenitic Stainless Steel", ASM INTERNATIONAL, vol. 31, 31 December 2021 (2021-12-31), pages 2012 - 2022, XP037792095, DOI: 10.1007/s11665-021-06356-1 * |
| 刘振宇;管泉;刘瑾;厉娜;孙琴;: "基于专利分析的青岛市石墨产业发展研究", 情报探索, no. 03, 15 March 2016 (2016-03-15), pages 9 - 19 * |
| 张彩东;章仲禹;梁小平;丁培道;: "双辊薄带连铸铸辊材质及水冷结构分析", 重庆大学学报, vol. 32, no. 06, 15 June 2009 (2009-06-15), pages 648 - 652 * |
| 李晓娟;李全禄;谢妙霞;郝淑娟;杨贵考;周九茹;马晴;: "国内外压电陶瓷的新进展及新应用", 硅酸盐通报, vol. 25, no. 04, 28 August 2006 (2006-08-28), pages 101 - 107 * |
| 杜娴;杜慧玲;刘俊;姚淼;: "微波辅助溶胶-凝胶自蔓燃法制备纳米Na_(0.5)Bi_(0.5)TiO_3粉体的工艺研究", 人工晶体学报, vol. 44, no. 01, 15 January 2015 (2015-01-15), pages 161 - 167 * |
| 秦明富, 曹勇, 黄志雄, 张来明, 古晓明: "马氏体沉淀硬化不锈钢0Cr17Ni4Cu4Nb冶炼工艺研究", 特钢技术, no. 01, 25 February 2005 (2005-02-25), pages 16 - 23 * |
| 符寒光, 刘金海: "挤压铸造高速钢轧辊的研究", 冶金设备, no. 06, 25 December 2002 (2002-12-25), pages 11 - 15 * |
| 胡梦华;: "高铬铸铁轧辊的研制", 武钢技术, no. 12, 31 December 1988 (1988-12-31), pages 50 - 53 * |
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