CN116287649B - Isothermal heat treatment device for inhibiting thermal deformation of micro motor shaft - Google Patents
Isothermal heat treatment device for inhibiting thermal deformation of micro motor shaft Download PDFInfo
- Publication number
- CN116287649B CN116287649B CN202310083062.2A CN202310083062A CN116287649B CN 116287649 B CN116287649 B CN 116287649B CN 202310083062 A CN202310083062 A CN 202310083062A CN 116287649 B CN116287649 B CN 116287649B
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- heat treatment
- treatment box
- motor shaft
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- circulating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 112
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 66
- 230000007246 mechanism Effects 0.000 claims description 64
- 239000007788 liquid Substances 0.000 claims description 26
- 229910002651 NO3 Inorganic materials 0.000 claims description 25
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000012670 alkaline solution Substances 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000017105 transposition Effects 0.000 claims description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 13
- 238000007605 air drying Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 2
- 229910001626 barium chloride Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- 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
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of motor shaft processing, in particular to an isothermal heat treatment device for inhibiting thermal deformation of a micro motor shaft, which comprises a heat treatment box, an isothermal treatment box, an exhaust gas treatment box and a transportation frame, wherein the isothermal treatment box and the transportation frame are horizontally arranged on two sides of the heat treatment box, and the exhaust gas treatment box is arranged above the heat treatment box.
Description
Technical Field
The invention relates to the technical field of motor shaft processing, in particular to an isothermal heat treatment device for inhibiting thermal deformation of a micro motor shaft.
Background
Micro-motor, totally called "micro-motor", refers to the motor with diameter less than 160mm or rated power less than 750mW, wherein the motor shaft is one of the most important parts inside the motor, it is the tie of electromechanical energy conversion between motor and equipment, in order to ensure the reliable strength and rigidity of motor shaft, it is usually required to quench it through heat treatment equipment at present when the motor shaft is processed.
At present, a micro-motor shaft heat treatment device is generally similar to a heat treatment device for motor shaft processing (publication date 2022.01.25) in patent CN215628174U, "a heat treatment device for a long shaft in CN113549753a and a heat treatment process thereof (publication date 2021.10.26)", "an isothermal quenching furnace exhaust gas and waste heat treatment device in CN111397386a (publication date 2020.07.10)", but the following problems generally exist in the use process of the devices: firstly, a motor shaft is usually required to be manually placed in or taken out of an eddy current coil, if the central axis of the motor shaft and the central axis of the eddy current coil are not in the same position, the problem of uneven heating is possibly caused, and in the process of taking out, the collision probability of the motor shaft and the eddy current coil is increased, so that the motor shaft and the eddy current coil are damaged; second, in the exhaust gas treatment process, since the temperature of the harmful gas in the nitrate furnace is usually too high, if the harmful gas in the nitrate furnace is directly extracted by a fan or other devices, the parts in the fan will be worn due to different thermal expansion amplitudes, and meanwhile, the harmful gas in the nitrate furnace usually contains more acidic substances, which also cause corrosion phenomena to the parts in the fan
Disclosure of Invention
The present invention is directed to an isothermal heat treatment device for suppressing thermal deformation of a micro motor shaft, so as to solve the above-mentioned problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: isothermal heat treatment device that little motor shaft restrained thermal deformation, isothermal heat treatment device includes heat treatment case, isothermal treatment case, exhaust gas treatment case and transportation frame, isothermal treatment case and transportation frame level set up in the both sides of heat treatment case, the exhaust gas treatment case sets up the top at the heat treatment case, the inside of transportation frame is provided with circulation mechanism, circulation mechanism is close to the one end of heat treatment case and stretches into the heat treatment incasement, the inside of heat treatment case is provided with heating mechanism, be connected through first lead screw sliding component between heating mechanism and the heat treatment case, the inside of isothermal treatment case is provided with cooling tank, gripper and salt stove, the gripper sets up the inside upper end at isothermal treatment case, cooling tank and salt stove level set up at the inside both ends of isothermal treatment case, salt stove is connected with the exhaust gas treatment case through the blast pipe.
The heating mechanism is a heat treatment foundation of the invention, the mechanical claw is a clamping movement foundation of the invention, the first screw sliding component and the second screw sliding component can adopt the prior art, so that the heating mechanism and the mechanical claw respectively move left and right in the heat treatment box and the isothermal treatment box.
Further, circulation mechanism includes circulation motor, circulation gear, circulation area and fixed subassembly, the inner wall of circulation area is provided with drive chain, circulation motor is connected with drive chain through circulation gear, fixed subassembly is provided with a plurality of groups, and a plurality of groups fixed subassembly evenly sets up the inside outer end at the circulation area, heating mechanism is provided with two sets of, two sets of heating mechanism sets up respectively in the inside upper and lower both ends of thermal treatment case, through fixed subassembly transportation is fixed the motor shaft, through two sets of heating mechanism carries out thermal treatment to the motor shaft.
Through above-mentioned technical scheme, during operation, place each group of fixed subassembly in proper order with a plurality of groups motor shaft in, then open circulation motor, can make the circulation area autogiration through circulation motor, circulation gear and drive chain, the motor shaft of placing on the fixed subassembly can intermittent type nature enter into the thermal treatment incasement this moment to make things convenient for two sets of heating mechanism to press from both sides the motor shaft, and carry out thermal treatment to the motor shaft.
Further, the heating mechanism comprises a base, a telescopic cylinder, a sliding seat, a connecting frame, an eddy current coil and a push rod, wherein the base is arranged on a first screw rod sliding assembly, the telescopic cylinder and the push rod are sequentially arranged at one end of the base, which is close to the circulating mechanism, the connecting frame is arranged at one end of the base, which is close to the transporting frame, the eddy current coil is arranged at the outer side of the push rod, the sliding seat is close to one end of the telescopic cylinder through a linear motor movable mounting transporting frame, and the eddy current coil is connected with an external power supply through the sliding seat.
According to the technical scheme, after the motor shaft is clamped by the two groups of heating mechanisms, the motor shaft can be separated from the fixing assembly under the action of the first screw rod sliding assembly, the linear motor is started at the moment, the sliding seat moves towards the direction of the motor shaft through the linear motor, the eddy current coils on the last two groups of fixing assemblies are sleeved outside the motor shaft, and when an external power supply is used for electrifying the eddy current coils, quenching heat treatment can be carried out on the motor shaft.
Further, fixed subassembly includes fixing base, supporting shoe, sensitization board, the supporting shoe sets up the one end that is close to circulation band surface at the fixing base, the inside one end that is close to the supporting shoe of fixing base is provided with the movable chamber, the inside one end that keeps away from the supporting shoe of fixing base is provided with the liquid storage groove, the movable chamber is close to the one end of liquid storage groove and is inlayed and have the permanent magnet, be provided with two sets of transmission grooves between liquid storage groove and the movable chamber, every group the inside of transmission groove all is provided with a set of push rod and gasbag, the inside of movable chamber is provided with two sets of plates of opening and close, every group the plate of opening and close is connected with a set of push rod respectively, the plate of opening and close has magnetic field shielding function.
When the hydraulic pump is arranged in the fixed seat, the transmission liquid is released into the liquid storage tank through the hydraulic pump, so that the pressure in the liquid storage tank is increased rapidly, at the moment, the push rod and the opening and closing plate can face to the direction close to the supporting block, and when the two groups of opening and closing plates are contacted with the supporting block, the magnetic field generated by the permanent magnet cannot act on the motor shaft.
Further, one end, close to the circulation mechanism, of a group of connecting frames located at the upper end inside the heat treatment box is provided with a magnetic field generator, one end, close to the circulation mechanism, of a group of connecting frames located at the lower end inside the heat treatment box is provided with a light emitter, the inside of the liquid storage tank is provided with a squeezing block, the upper end of the squeezing block is provided with a magnetic block, the lower end of the fixing base is provided with a photosensitive resistor plate, and the photosensitive resistor plate is connected with the magnetic field generator through signals.
According to the technical scheme, when the heating mechanism moves to the vicinity of the fixing component, the light emitter can generate a group of light beams, when the group of light beams are emitted to the photosensitive plate, under the action of the telescopic cylinder, the two groups of ejector rods can clamp the motor shaft, then the magnetic field generator starts to work and generates a group of magnetic fields which repel the magnetic blocks at the upper end of the extrusion block, the extrusion block can extrude transmission liquid in the liquid storage tank at the moment, so that the opening and closing plate is close to the direction of the supporting block, the fixing component can clamp the motor shaft conveniently, the magnetic field generator and the light emitter arranged in the invention play a role of positioning on one hand, on the other hand, a power source is played, and a hydraulic pump is not required to be arranged in the fixing base.
Further, the inside of exhaust treatment case is provided with air pump, exhaust passage and clean room, the inlet end and the blast pipe of air pump are connected, the end of giving vent to anger of air pump is connected with the clean room, the one end and the clean room of exhaust passage are linked together, the other end and the external environment of exhaust passage are linked together, the inside of clean room is provided with alkaline solution.
Because the nitrate furnace can generate a large amount of harmful gases, such as chlorine, hydrogen chloride, barium chloride, sodium chloride and the like, when in operation, the invention is provided with the waste gas treatment box, the harmful gases generated in the nitrate furnace are sucked into the purification chamber through the air pump, and the alkaline solution arranged in the purification chamber neutralizes the acid gases in the harmful gases on one hand and absorbs small particulate matters in the harmful gases on the other hand, thereby avoiding the pollution of the external environment.
Further, the inside of exhaust treatment case is provided with air pump, exhaust passage and clean room, the outside of exhaust passage is provided with the ring channel, one side that the air pump was kept away from to the exhaust passage is provided with the air-dry room, the one end of air-dry room is linked together with external environment, the other end of air-dry room is linked together with the ring channel, the inside of exhaust passage and air-dry room all is provided with a set of desiccator, two sets of be connected through pivot and transposition motor between the desiccator, the inside of exhaust treatment case still is provided with the tee bend groove and inhales the groove, one of them one end in tee bend groove is connected with the inlet end of air pump, the other end in tee bend groove is connected with the ring channel, the last one end in tee bend groove is connected with external environment, the one end in breathing in the groove is connected with the end of air pump, the other end in the groove is connected with the clean room, the one end that the breathing in the groove is close to the clean room is connected with the blast pipe through the negative pressure groove.
According to the technical scheme, harmful gas in the nitrate furnace is prevented from contacting with the air pump, the abrasion of internal parts of the air pump due to different thermal expansion amplitudes caused by the overhigh temperature of the harmful gas is prevented, meanwhile, acidic substances in the harmful gas are prevented from corroding the internal parts of the air pump, and finally, the invention is also provided with the drying plate.
Further, the inside of clean room is provided with the shunt tubes, the shunt tubes includes a set of house steward and a plurality of group branch pipe, the house steward is connected with the end of giving vent to anger of air-suction tank, a plurality of groups in the branch pipe stretches into the inside alkaline solution of clean room, every group the inside of branch pipe all is provided with a set of paddle.
Through the technical scheme, harmful gas in the nitrate furnace can flow through the shunt tubes when being discharged into the purification chamber, at the moment, under the action of airflow, paddles arranged in each group of branch pipes can rotate, the alkaline solution in the purification chamber is turbulent through the paddles, the phenomenon that the alkaline solution near the branch pipes neutralizes acidic substances in the harmful gas too much is avoided, and the acidic substances in the harmful gas are discharged out of the purification chamber after the acidic substances are not completely neutralized.
Compared with the prior art, the invention has the following beneficial effects: compared with the prior isothermal heat treatment device provided with a plurality of groups of fixing components, the motor shaft arranged on the fixing components can intermittently enter the heat treatment box through the circulating motor, the circulating gear and the transmission chain, so that two groups of heating mechanisms can conveniently clamp the motor shaft, the two groups of heating mechanisms can play a role in positioning through the magnetic field generator and the light emitter on one hand and can play a role in separating on the other hand in clamping the motor shaft, compared with the prior isothermal heat treatment device which inserts the motor shaft into the vortex coil through a manual method, the isothermal heat treatment device not only reduces labor intensity, but also has the advantage of accurate positioning, prevents the problem of uneven heating and collision damage caused by the fact that the central axis of the motor shaft and the central axis of the vortex coil are not at the same position, and finally is provided with the waste gas treatment box, the air pump can release a group of high-flow-rate gas into the air suction groove, so that the gas in the nitrate furnace enters the purifying chamber along the negative pressure groove, the exhaust pipe and the air suction groove, the alkaline solution arranged in the purifying chamber neutralizes the acid gas in the harmful gas on one hand, and absorbs the small particulate matters in the harmful gas on the other hand, meanwhile, the technical scheme can avoid the contact between the harmful gas in the nitrate furnace and the air pump, prevent the abrasion of the internal parts of the air pump caused by different thermal expansion amplitudes due to the overhigh temperature of the harmful gas, simultaneously prevent the acid matters in the harmful gas from corroding the internal parts of the air pump, and the exhaust gas treatment box is internally provided with a drying plate, so that the air pump sucks the gas in the external environment on the one hand, sucks the gas in the air drying chamber on the other hand, and further enables the gas in the air drying chamber to flow, the moisture on the drying plate in the air drying chamber can be removed through the flow of gas, and the positions of the drying plate in the air drying chamber and the drying plate in the exhaust channel are mutually exchanged through the rotating shaft and the transposition motor, so that the drying effect is prevented from being influenced by the excessive humidity of the drying plate in the exhaust channel.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the thermal and isothermal processing chambers of the present invention;
FIG. 3 is a front view of the heat treatment tank of the present invention;
FIG. 4 is a schematic view of the heating mechanism of the present invention;
FIG. 5 is a top view of the securing assembly of the present invention;
FIG. 6 is a schematic view of the structure of section A-A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the stationary assembly of the motor shaft of the present invention with the motor shaft removed;
FIG. 8 is a front view of an isothermal processing tank of the present invention;
fig. 9 is a schematic view of the structure of the exhaust gas treatment tank of the present invention.
In the figure: 1-heat treatment box, 11-heating mechanism, 111-base, 112-telescopic cylinder, 113-slide, 114-connecting frame, 1141-magnetic field generator, 115-vortex coil, 116-ejector pin, 2-isothermal treatment box, 21-cooling box, 22-gripper, 23-nitrate furnace, 231-exhaust pipe, 3-exhaust treatment box, 31-three-way tank, 32-air pump, 33-suction tank, 34-drying plate, 35-annular tank, 36-air drying chamber, 37-exhaust channel, 38-purge chamber, 381-shunt tube, 4-transportation frame, 41-circulation mechanism, 411-circulation gear, 412-circulation belt, 413-fixing assembly, 4131-fixing seat, 4132-permanent magnet, 4133-liquid storage tank, 41331-extrusion block, 4134-transmission tank, 4135-push rod, 4136-opening and closing plate, 4137-supporting block, 4138-photosensitive plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3 and 8, the isothermal heat treatment device for restraining thermal deformation of a micro motor shaft comprises a heat treatment box 1, an isothermal treatment box 2, an exhaust gas treatment box 3 and a transportation frame 4, wherein the isothermal treatment box 2 and the transportation frame 4 are horizontally arranged at two sides of the heat treatment box 1, the exhaust gas treatment box 3 is arranged above the heat treatment box 1, a circulating mechanism 41 is arranged in the transportation frame 4, one end, close to the heat treatment box 1, of the circulating mechanism 41 stretches into the heat treatment box 1, a heating mechanism 11 is arranged in the heat treatment box 1, the heating mechanism 11 is connected with the heat treatment box 1 through a first screw sliding component, a cooling box 21, a mechanical claw 22 and a nitrate furnace 23 are arranged in the isothermal treatment box 2, the mechanical claw 22 is connected with the isothermal treatment box 2 through a second screw sliding component, the cooling box 21 and the nitrate furnace 23 are horizontally arranged at two ends of the isothermal treatment box 2, and the nitrate furnace 23 is connected with the exhaust gas treatment box 3 through an exhaust pipe 231.
The heating mechanism 11 is the heat treatment basis of the invention, the mechanical claw 22 is the clamping movement basis of the invention, the first screw sliding component and the second screw sliding component can adopt the prior art, so that the heating mechanism 11 and the mechanical claw 22 respectively move left and right in the heat treatment box 1 and the isothermal treatment box 2, when a motor shaft on the circulating mechanism 41 enters the heat treatment box 1, the heating mechanism 11 is moved to the vicinity of the circulating mechanism 41 through the first screw sliding component, the motor shaft is removed from the circulating mechanism 41 through the heating mechanism 11 and the first screw sliding component, on the other hand, the motor shaft can be subjected to heat treatment, after the heat treatment is finished, the motor shaft is firstly moved into the nitrate furnace 23 through the mechanical claw 22 for a certain period of time, so that austenite is decomposed into a required tissue, then the motor shaft is taken out from the nitrate furnace 23 through the mechanical claw 22 and is moved into the cooling box 21 for cooling to the room temperature, the circulating mechanism 41 and the exhaust gas treatment box 3 are arranged, the purpose of automatic feeding and positioning are realized through the circulating mechanism 41, meanwhile, the problem that the motor shaft is not positioned accurately, and the waste gas can be treated in the salt furnace 23 through the exhaust gas treatment box 23, and the exhaust gas can be damaged.
As shown in fig. 2 and 3, the circulation mechanism 41 includes a circulation motor, a circulation gear 411, a circulation belt 412 and a fixing assembly 413, the inner wall of the circulation belt 412 is provided with a transmission chain, the circulation motor is connected with the transmission chain through the circulation gear 411, the fixing assembly 413 is provided with a plurality of groups, the plurality of groups of fixing assemblies 413 are uniformly arranged at the inner outer end of the circulation belt 412, the heating mechanism 11 is provided with two groups, the two groups of heating mechanisms 11 are respectively arranged at the upper and lower ends of the interior of the heat treatment box 1, a motor shaft is transported and fixed through the fixing assembly 413, and the motor shaft is subjected to heat treatment through the two groups of heating mechanisms 11.
Through the above technical scheme, during operation, place each group of fixed subassembly 413 in proper order with a plurality of groups of motor shafts, then open circulation motor, can make circulation belt 412 autogiration through circulation motor, circulation gear 411 and drive chain, the motor shaft of placing on the fixed subassembly 413 can intermittent type this moment enter into in the thermal treatment case 1 to make things convenient for two sets of heating mechanism 11 to press from both sides the motor shaft, and carry out heat treatment to the motor shaft.
As shown in fig. 2 to 4, the heating mechanism 11 includes a base 111, a telescopic cylinder 112, a sliding seat 113, a connecting frame 114, an eddy current coil 115 and a push rod 116, the base 111 is disposed on the first screw rod sliding assembly, the telescopic cylinder 112 and the push rod 116 are sequentially disposed at one end of the base 111 close to the circulating mechanism 41, the connecting frame 114 is disposed at one end of the base 111 close to the transporting frame 4, the eddy current coil 115 is disposed at the outer side of the push rod 116, the sliding seat 113 is movably mounted at one end of the transporting frame 4 close to the telescopic cylinder 112 through a linear motor, and the eddy current coil 115 is connected with an external power supply through the sliding seat 113.
According to the technical scheme, after the motor shaft is clamped by the two groups of heating mechanisms 11, the motor shaft can be separated from the fixing assembly 413 under the action of the first screw rod sliding assembly, the linear motor is started at the moment, the sliding seat 113 moves towards the direction of the motor shaft through the linear motor, the eddy current coils 115 on the last two groups of fixing assemblies 413 are sleeved outside the motor shaft, and when an external power supply is used for electrifying the eddy current coils 115, quenching heat treatment can be carried out on the motor shaft.
As shown in fig. 2-7, the fixing assembly 413 includes a fixing base 4131, a supporting block 4137 and a photosensitive plate 4138, the supporting block 4137 is disposed at one end of the fixing base 4131 near the outer surface of the circulating belt 412, a movable chamber is disposed at one end of the fixing base 4131 near the supporting block 4137, a liquid storage groove 4133 is disposed at one end of the fixing base 4131 far away from the supporting block 4137, a permanent magnet 4132 is inlaid at one end of the movable chamber near the liquid storage groove 4133, two sets of transmission grooves 4134 are disposed between the liquid storage groove 4133 and the movable chamber, a set of push rods 4135 and an air bag are disposed in each set of transmission grooves 4134, two sets of opening and closing plates 4136 are disposed in the movable chamber, each set of opening and closing plates 4136 is connected with one set of push rods 4135, and the opening and closing plates 4136 have a magnetic field shielding function.
In the invention, when the transmission liquid is filled in the liquid storage tank 4133, and the hydraulic pump is arranged in the fixing seat 4131, the pressure in the liquid storage tank 4133 can be increased rapidly by releasing the transmission liquid into the liquid storage tank 4133 through the hydraulic pump, at the moment, the push rod 4135 and the opening and closing plate 4136 can face to the direction close to the supporting block 4137, and when the two groups of opening and closing plates 4136 are contacted with the supporting block 4137, the magnetic field generated by the permanent magnet 4132 can not act on the motor shaft, and by the technical scheme, the heating mechanism 11 can conveniently clamp the motor shaft.
As shown in fig. 2 to 7, a magnetic field generator 1141 is provided at one end of a set of connection frames 114 located at the upper end of the interior of the heat treatment tank 1 near the circulation mechanism 41, a light emitter is provided at one end of a set of connection frames 114 located at the lower end of the interior of the heat treatment tank 1 near the circulation mechanism 41, a squeeze block 41331 is provided in the reservoir 4133, a magnet is provided at the upper end of the squeeze block 41331, a photosensitive plate 4138 and a signal emitter are provided at the lower end of the fixing base 4131, and when the photosensitive plate 4138 generates a current due to the light emitter, the signal emitter generates a set of signals to control the magnetic field generator 1141 and the telescopic cylinder 112 to operate.
Through the above technical scheme, when the heating mechanism 11 moves to the vicinity of the fixing component 413, the light emitter can generate a group of light beams, when the group of light beams are emitted onto the photosensitive plate 4138, under the action of the telescopic cylinder 112, the two groups of ejector rods 116 can clamp a motor shaft, then the magnetic field generator 1141 starts to work and generates a group of magnetic fields which repel the magnetic blocks at the upper end of the squeezing block 41331, at the moment, the squeezing block 41331 can squeeze the transmission liquid in the liquid storage tank 4133, so that the opening and closing plate 4136 is close to the supporting block 4137, the fixing component 413 is convenient to clamp the motor shaft, the magnetic field generator 1141 and the light emitter arranged in the invention play the positioning purpose on one hand, on the other hand play the role of a power source, and finally, a hydraulic pump is not required to be arranged in the fixing seat 4131, and finally, a piezoelectric plate is arranged at one end of the supporting block 4137 away from the motor shaft, which is arranged at the movable chamber, when the fixing component 413 is placed, the motor shaft is subjected to a group of acting force which moves towards the movable chamber, the motor shaft under the action of the permanent magnet 4132, the action of the piezoelectric plate can generate a group of electric signals, so that the electric signals can be detected by the current detector, and the electric signals generated on the piezoelectric plate, so that the direction of the movable plate can judge whether the motor shaft slides down.
As shown in fig. 1, 8 and 9, the inside of the exhaust gas treatment tank 3 is provided with an air pump 32, an exhaust passage 37 and a purification chamber 38, the air inlet end of the air pump 32 is connected with an exhaust pipe 231, the air outlet end of the air pump 32 is connected with the purification chamber 38, one end of the exhaust passage 37 is communicated with the purification chamber 38, the other end of the exhaust passage 37 is communicated with the external environment, and an alkaline solution is provided in the purification chamber 38.
Since the nitrate furnace 23 generates a large amount of harmful gases such as chlorine, hydrogen chloride, barium chloride, sodium chloride and the like in the interior when in operation, the invention is provided with the waste gas treatment box 3, the harmful gases generated in the nitrate furnace 23 are sucked into the purifying chamber 38 through the air pump 32, and the alkaline solution arranged in the purifying chamber 38 neutralizes the acid gases in the harmful gases on one hand and absorbs small particulate matters in the harmful gases on the other hand, thereby avoiding the pollution of the external environment.
As shown in fig. 1, 8 and 9, the air pump 32, the air exhaust channel 37 and the purifying chamber 38 are arranged in the waste gas treatment box 3, the annular groove 35 is arranged on the outer side of the air exhaust channel 37, the air drying chamber 36 is arranged on one side, far away from the air pump 32, of the air exhaust channel 37, one end of the air drying chamber 36 is communicated with the external environment, the other end of the air drying chamber 36 is communicated with the annular groove 35, a group of drying plates 34 are arranged in the air exhaust channel 37 and the air drying chamber 36, the two groups of drying plates 34 are connected through a rotating shaft and a transposition motor, the three-way groove 31 and the air suction groove 33 are further arranged in the waste gas treatment box 3, one end of the three-way groove 31 is connected with the air inlet end of the air pump 32, the other end of the three-way groove 31 is connected with the annular groove 35, the last end of the air suction groove 33 is connected with the air outlet end of the air pump 32, the other end of the air suction groove 33 is connected with the purifying chamber 38, and one end, close to the purifying chamber 38, of the air suction groove 33 is connected with the air exhaust pipe 231 through a negative pressure groove.
The motor shaft in the course of heat treatment, the air pump 32 can release a series of high-flow-rate gas to the inspirating groove 33, at this moment, according to Bernoulli's principle, the gas in the nitrate stove 23 can be inhaled into inspirating groove 33 along negative pressure groove and blast pipe 231, through the above-mentioned technical scheme, avoided the harmful gas in the nitrate stove 23 to contact with air pump 32, prevent the harmful gas temperature from being too high and cause the inside part of air pump 32 to wear out because of the different thermal expansion range, the acidic material in the harmful gas is prevented from corroding the inside part of air pump 32 simultaneously, finally, the invention still is provided with drying plate 34, prevent through drying plate 34 and be discharged into the too moist of the gas of external environment, cause the problem such as equipment corrosion, air pump 32 is in the during operation, on the one hand inhale the gas of external environment, on the one hand inhale the gas in the inside of air drying chamber 36, and then make the inside gas of air drying chamber 36 flow, through the flow of gas can get rid of the moisture on the inside drying plate 34 of air drying chamber 36, when the drying plate 34 in the air drying chamber 37 is too moist, through the too hot shaft and the drying plate 34 in the transposition motor drive drying plate 34 in the drying chamber 36 and the drying plate 34 in the drying channel 37, the mutual influence on the position of the drying plate 34 in the drying channel 37 is avoided.
As shown in fig. 1, 8 and 9, the purifying chamber 38 is internally provided with a shunt tube 381, the shunt tube 381 includes a group of main pipes and a plurality of groups of branch pipes, the main pipes are connected with the air outlet end of the air suction groove 33, the plurality of groups of branch pipes extend into the alkaline solution in the purifying chamber 38, and a group of paddles is arranged in each group of branch pipes.
Through the above technical scheme, the harmful gas in the nitrate furnace 23 will flow through the shunt tube 381 when discharged into the purifying chamber 38, at this time, under the action of the air flow, the paddles arranged in each group of branch pipes will rotate, the alkaline solution in the purifying chamber 38 will generate turbulence through the paddles, so as to avoid the phenomenon that the alkaline solution near the branch pipes neutralizes too much acidic substances in the harmful gas, and the acidic substances in the harmful gas are discharged into the purifying chamber 38 after not completely neutralizing.
The working principle of the invention is as follows: before heat treatment, a plurality of groups of motor shafts are sequentially placed in each group of fixing assemblies 413, then a circulating motor is started, the motor shafts placed on the circulating mechanism 41 intermittently enter the heat treatment box 1 through the circulating motor, a circulating gear 411 and a transmission chain, when the motor shafts on the circulating mechanism 41 enter the heat treatment box 1, the heating mechanism 11 is moved to the vicinity of the circulating mechanism 41 through a first screw sliding assembly, when light beams generated by a light emitter are emitted onto a photosensitive plate 4138, under the action of a telescopic cylinder 112, two groups of ejector rods 116 clamp the motor shafts, then a group of magnetic fields which repel magnetic blocks at the upper end of a squeezing block 41331 are generated by a magnetic field generator 1141, at the moment, the squeezing block 41331 can squeeze transmission liquid in a liquid storage tank 4133, so that an opening and closing plate 4136 is in a direction close to a supporting block 4137, when the motor shafts are clamped by the two groups of heating mechanisms 11, under the action of the first screw rod sliding component, the motor shaft is separated from the fixing component 413, the linear motor is started at this moment, the sliding seat 113 moves towards the direction of the motor shaft through the linear motor, the vortex coils 115 on the last two groups of fixing components 413 are sleeved outside the motor shaft, when an external power supply is used for electrifies the vortex coils 115, the motor shaft can be subjected to quenching heat treatment, after the heat treatment is finished, the motor shaft is firstly moved into the nitrate furnace 23 through the mechanical claw 22 to keep a certain temperature for a certain period of time, so that austenite is decomposed into a required tissue, meanwhile, in the heat preservation process, the air pump 32 releases a group of high-flow-rate gas into the air suction groove 33, so that the gas inside the nitrate furnace 23 enters the purifying chamber 38 along the negative pressure groove, the exhaust pipe 231 and the air suction groove 33, the alkaline solution arranged inside the purifying chamber 38 neutralizes the acid gas in the harmful gas on the one hand, on the other hand, small particulate matters in the harmful gas are absorbed, so that the external environment is prevented from being polluted, and after the temperature is kept for a set time, a motor shaft is taken out of the nitrate furnace 23 through the mechanical claw 22 and is moved into the cooling box 21 to be cooled to the room temperature.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An isothermal heat treatment device for inhibiting thermal deformation of a micro motor shaft, which is characterized in that: the isothermal heat treatment device comprises a heat treatment box (1), an isothermal treatment box (2), an exhaust gas treatment box (3) and a transport frame (4), wherein the isothermal treatment box (2) and the transport frame (4) are horizontally arranged on two sides of the heat treatment box (1), the exhaust gas treatment box (3) is arranged above the heat treatment box (1), a circulating mechanism (41) is arranged in the transport frame (4), one end, close to the heat treatment box (1), of the circulating mechanism (41) stretches into the heat treatment box (1), a heating mechanism (11) is arranged in the heat treatment box (1), the heating mechanism (11) is connected with the heat treatment box (1) through a first screw sliding component, a cooling box (21), a mechanical claw (22) and a nitrate furnace (23) are arranged in the isothermal treatment box (2), the cooling box (21) and the nitrate furnace (23) are horizontally arranged at two ends of the isothermal treatment box (2) through the exhaust gas pipe (231);
the circulating mechanism (41) comprises a circulating motor, a circulating gear (411), a circulating belt (412) and a fixing assembly (413), wherein a transmission chain is arranged on the inner wall of the circulating belt (412), the circulating motor is connected with the transmission chain through the circulating gear (411), the fixing assembly (413) is provided with a plurality of groups, the fixing assembly (413) is uniformly arranged at the outer end of the inner part of the circulating belt (412), the heating mechanism (11) is provided with two groups, the two groups of heating mechanisms (11) are respectively arranged at the upper end and the lower end of the inner part of the heat treatment box (1), a motor shaft is transported and fixed through the fixing assembly (413), and the motor shaft is subjected to heat treatment through the two groups of heating mechanisms (11);
the heating mechanism (11) comprises a base (111), a telescopic cylinder (112), a sliding seat (113), a connecting frame (114), an eddy current coil (115) and a push rod (116), wherein the base (111) is arranged on a first screw rod sliding assembly, the telescopic cylinder (112) and the push rod (116) are sequentially arranged at one end, close to the circulating mechanism (41), of the base (111), the connecting frame (114) is arranged at one end, close to the conveying frame (4), of the base (111), the eddy current coil (115) is arranged at the outer side of the push rod (116), the sliding seat (113) is movably arranged at one end, close to the telescopic cylinder (112), of the conveying frame (4) through a linear motor, and the eddy current coil (115) is connected with an external power supply through the sliding seat (113);
the fixing assembly (413) comprises a fixing seat (4131), a supporting block (4137) and a photosensitive plate (4138), wherein the supporting block (4137) is arranged at one end, close to the outer surface of the circulating belt (412), of the fixing seat (4131), a movable chamber is arranged at one end, close to the supporting block (4137), of the fixing seat (4131), a liquid storage groove (4133) is arranged at one end, far away from the supporting block (4137), of the fixing seat (4131), a permanent magnet (4132) is inlaid at one end, close to the liquid storage groove (4133), of the movable chamber, two groups of transmission grooves (4134) are arranged between the liquid storage groove (4133) and the movable chamber, a group of push rods (4135) and air bags are arranged in each group of transmission grooves (4134), two groups of opening and closing plates (4136) are arranged in the movable chamber, each group of opening and closing plates (4136) are respectively connected with one group of push rods (4135), and the opening and closing plates (4136) have magnetic field shielding functions;
one end, close to the circulating mechanism (41), of a group of connecting frames (114) positioned at the upper end inside the heat treatment box (1) is provided with a magnetic field generator (1141), one end, close to the circulating mechanism (41), of a group of connecting frames (114) positioned at the lower end inside the heat treatment box (1) is provided with a light emitter, the inside of the liquid storage tank (4133) is provided with an extrusion block (41331), the upper end of the extrusion block (41331) is provided with a magnetic block, the lower end of the fixing seat (4131) is provided with a photosensitive plate (4138), and the photosensitive plate (4138) is connected with the magnetic field generator (1141) through signals;
an air pump (32), an exhaust channel (37) and a purifying chamber (38) are arranged in the waste gas treatment box (3), the air inlet end of the air pump (32) is connected with an exhaust pipe (231), the air outlet end of the air pump (32) is connected with the purifying chamber (38), one end of the exhaust channel (37) is communicated with the purifying chamber (38), the other end of the exhaust channel (37) is communicated with the external environment, and an alkaline solution is arranged in the purifying chamber (38);
the inside of exhaust treatment case (3) is provided with air pump (32), exhaust passage (37) and clean room (38), the outside of exhaust passage (37) is provided with ring channel (35), one side that air pump (32) were kept away from to exhaust passage (37) is provided with air-dry room (36), the inlet end of air pump (32) is connected with external environment and ring channel (35) through tee bend groove (31), the outlet end of air pump (32) is connected with clean room (38) through breathing in groove (33), the one end that breathing in groove (33) is close to clean room (38) is connected with blast pipe (231) through the negative pressure groove, the one end and the external environment of air-dry room (36) are linked together, the other end and ring channel (35) of air-dry room (36) are linked together, the inside of exhaust passage (37) and air-dry room (36) all is provided with a set of drying board (34), two sets of be connected through pivot and transposition motor between drying board (34).
2. An isothermal heat treatment device for inhibiting thermal deformation of a micro motor shaft according to claim 1, wherein: the inside of clean room (38) is provided with shunt tubes (381), shunt tubes (381) include a set of house steward and a plurality of group branch pipe, the house steward is connected with the end of giving vent to anger of air-suction groove (33), and a plurality of groups branch pipe stretches into in the inside alkaline solution of clean room (38), every group the inside of branch pipe all is provided with a set of paddle.
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| CN202310083062.2A CN116287649B (en) | 2023-02-08 | 2023-02-08 | Isothermal heat treatment device for inhibiting thermal deformation of micro motor shaft |
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| CN202310083062.2A CN116287649B (en) | 2023-02-08 | 2023-02-08 | Isothermal heat treatment device for inhibiting thermal deformation of micro motor shaft |
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| CN116287649B true CN116287649B (en) | 2024-03-26 |
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| CN206438148U (en) * | 2017-01-10 | 2017-08-25 | 河南众正精密轴承有限公司 | A kind of angular contact ball bearing outer ring Q-tempering integration apparatus |
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| CN213680814U (en) * | 2020-11-30 | 2021-07-13 | 山西晋航重工有限公司 | Special quenching equipment for transmission shaft |
| CN113549753A (en) * | 2021-07-13 | 2021-10-26 | 东莞市先力得热处理有限公司 | Heat treatment equipment and heat treatment process for long shaft |
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2023
- 2023-02-08 CN CN202310083062.2A patent/CN116287649B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080002797U (en) * | 2007-01-19 | 2008-07-23 | (주)네오티스 | Heat treatment apparatus of the shaft |
| CN204434673U (en) * | 2015-01-20 | 2015-07-01 | 武汉嘉华炉业有限公司 | A kind of CADI abrading-ball continous way salt made from earth containing a comparatively high percentage of sodium chloride isothermal quenching production line |
| CN206438148U (en) * | 2017-01-10 | 2017-08-25 | 河南众正精密轴承有限公司 | A kind of angular contact ball bearing outer ring Q-tempering integration apparatus |
| CN208250375U (en) * | 2018-06-04 | 2018-12-18 | 钟祥市金祥汽车半轴有限公司 | A kind of quenching unit based on semiaxis |
| CN213680814U (en) * | 2020-11-30 | 2021-07-13 | 山西晋航重工有限公司 | Special quenching equipment for transmission shaft |
| CN113549753A (en) * | 2021-07-13 | 2021-10-26 | 东莞市先力得热处理有限公司 | Heat treatment equipment and heat treatment process for long shaft |
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| CN116287649A (en) | 2023-06-23 |
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