CN119238129A - A kind of track wheel forging equipment and process - Google Patents

A kind of track wheel forging equipment and process Download PDF

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Publication number
CN119238129A
CN119238129A CN202411756230.0A CN202411756230A CN119238129A CN 119238129 A CN119238129 A CN 119238129A CN 202411756230 A CN202411756230 A CN 202411756230A CN 119238129 A CN119238129 A CN 119238129A
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China
Prior art keywords
forging
blank
manipulator
heat treatment
round bar
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CN202411756230.0A
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CN119238129B (en
Inventor
于大伟
鲁庆辉
郑伟
姜洪涛
左志远
刘钧仁
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Yantai Dongxing Group Co ltd
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Yantai Dongxing Group Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02Die forging; Trimming by making use of special dies ; Punching during forging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction
    • B21J9/022Special design or construction multi-stage forging presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/28Making machine elements wheels; discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34Methods of heating
    • C21D1/42Induction heating
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/667Quenching devices for spray quenching
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0062Heat-treating apparatus with a cooling or quenching zone
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/34Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Forging (AREA)

Abstract

The invention belongs to the technical field of metal processing, and relates to a supporting wheel forging forming device and a process, wherein the device comprises a round bar cutting device, a phosphorus removing machine, a heating device, a pre-forging blank making device, a final forging device, a punching device, a heat supplementing device, a heat treatment device, a material frame, a first manipulator, a second manipulator and a third manipulator, the discharge end of the round bar cutting device is connected with the feed end of the heating device, the punching device is connected with the final forging device through the second manipulator, the heat treatment device is connected with the heat supplementing device through the third manipulator, the heat treatment device comprises a center and a sprayer, the uncooled supporting wheel blank is heated through the heat supplementing device, waste heat can be effectively reduced, the punched supporting wheel blank can reach the temperature required by heat treatment, and the spray device of the heat treatment device sprays quenching liquid to the heated supporting wheel blank uniformly, so that the time and energy consumption required by the quenching procedure of the supporting wheel blank are reduced.

Description

Thrust wheel forging forming equipment and process
Technical Field
The invention relates to the technical field of metal processing, in particular to a supporting wheel forging forming device and a supporting wheel forging forming process.
Background
The weight wheel is an important part of a chassis of engineering machinery, is widely applied to various engineering machinery such as an excavator, a bulldozer and a special machine, and generally has the effect of mainly transmitting the weight of a locomotive consist to the ground and rolling on a crawler belt. The traditional weight wheel forging is mostly carried out by adopting high-temperature pressure forging and pressure punching to directly form and then carrying out conventional cooling or quenching treatment, and the current processing of the weight wheel is carried out by heating the blank of the weight wheel from room temperature to 820-860 ℃ and then carrying out water cooling. The heating process consumes a large amount of electric energy, has high operation requirement on the heating process, long period, low working efficiency and high energy consumption, and the surface of the workpiece after being processed has certain flaws, so that the yield and the service life of the integral thrust wheel are affected.
The integral forging forming method and the forging device suitable for the thrust wheel disclosed in the Chinese patent document No. CN115138797B are characterized in that the forming method comprises the following steps of S100, heating a billet of the thrust wheel to a preset temperature, S200, removing oxide scales on the surface of the heated billet, ensuring that the temperature of the billet after the oxide scales are removed is kept at 1100-1200 ℃, S300, transferring the billet with the temperature of 1100-1200 ℃ into a lower die holder of a die, S400, downwards moving the upper die holder at a preset first speed, controlling the two side die holders to synchronously approach and squeeze the billet at a preset second speed after delaying for a preset time, and forming a thrust wheel cavity with a connecting skin, wherein the first speed is 1.5-4 times of the second speed, and S500, opening the die, and removing the connecting skin in the thrust wheel cavity when the temperature is more than or equal to 800 ℃. However, the patent still has the defects that after the integral skin in the inner cavity of the thrust wheel is removed, the thrust wheel needs to be transferred to a heat treatment station, and in the process, the thrust wheel is gradually cooled, so that a large amount of waste heat is wasted, and when the completely cooled thrust wheel is reheated to the heat treatment temperature, the tendency of coarse grains easily occurs, and the integral mechanical property of the thrust wheel is also affected.
Disclosure of Invention
The invention provides a forging forming device and a forging forming process for a thrust wheel, which aim to solve the technical problems that the conventional processing technology of the thrust wheel is easy to generate coarse grains and the integral mechanical property of the thrust wheel is influenced.
The invention solves the technical problems by adopting the technical scheme that the forging forming equipment and the process of the supporting wheel comprise a round bar cutting device and a dephosphorization machine, wherein the round bar cutting device is used for cutting round bar raw materials into round bar materials with a specified length, the forging forming equipment further comprises a heating device, a pre-forging device, a final forging device, a punching device, a heat supplementing device, a heat treatment device, a material frame, a first manipulator, a second manipulator and a third manipulator, the discharging end of the round bar cutting device is connected with the feeding end of the heating device, the discharging end of the heating device, the pre-forging device, a dephosphorization machine and the final forging device are sequentially arranged around the circumferential direction of the first manipulator, the heating device comprises a furnace body used for heating the round bar materials to a set temperature, the pre-forging device is used for forging the round bar materials into pre-forging blanks, the dephosphorization machine is used for removing oxidized skin on the pre-forging blanks, the punching device and the heat supplementing device are arranged around the circumferential direction of the second manipulator, the punching device is connected with the second manipulator, the punching device is used for sequentially spraying the blank heat treatment device to the heat treatment device around the heat supporting wheel, and the heat supplementing device is used for spraying the blank heat treatment device to the heat treatment device around the first manipulator, and the heat-supporting wheel is sequentially arranged around the center of the supporting wheel, and the heat device is used for spraying the blank is used for spraying the heat treatment device, and the blank is sequentially arranged around the heat device, and the heat treatment device is used for spraying the heat device is used for the heat treatment device is used for the top blank to be sequentially arranged around the top device.
Preferably, the heating device further comprises a push plate feeding machine, a conveying rail, a discharging cylinder, a discharging supporting plate, a pushing cylinder, a discharging rail and a supporting platform, wherein the outlet end of the push plate feeding machine is connected with the inlet end of the conveying rail, the discharging cylinder is fixed at the outlet end of the conveying rail, the extending direction of the discharging cylinder is perpendicular to the advancing direction of the conveying rail, the discharging supporting plate is fixed at one side of the outlet end of the conveying rail and is connected with the feeding end of the furnace body, the discharging supporting plate is used for supporting round bars, the pushing cylinder is used for pushing the round bars into the furnace body, the two ends of the discharging rail are respectively connected with the discharging end of the furnace body and the supporting platform, and the discharging rail is used for conveying the round bars heated by the furnace body to the supporting platform.
Preferably, the pre-forging blank making device comprises a first multi-directional die forging press, the first multi-directional die forging press forges the heated round bar material into a pre-forging blank through a pre-forging die in an integral forging mode, the final forging device comprises a second multi-directional die forging press, the second multi-directional die forging press forges the pre-forging blank into a thrust wheel blank through a final forging die in an integral forging mode, and the punching device comprises a third multi-directional die forging press, and the third multi-directional die forging press is used for punching the center of the thrust wheel blank to enable the center of the thrust wheel blank to be communicated.
Preferably, the heat supplementing device comprises a workbench, a central supporting seat, a rotating table and an induction heating coil, wherein the second manipulator and the third manipulator are respectively arranged on two sides of the workbench, the central supporting seat is fixed on the workbench, the supporting wheel blank can be fixed on the central supporting seat, the central supporting seat is coaxially fixed on the rotating table, the induction heating coil surrounds the central supporting seat, and the induction heating coil is used for heating the supporting wheel blank.
Preferably, the heat treatment device comprises a horizontal shaft seat, a telescopic cylinder and a transverse shaft, wherein the transverse shaft is horizontally and slidably arranged in the horizontal shaft seat, the center is fixed at the front end of the transverse shaft, the center is used for clamping the thrust wheel blank, the telescopic cylinder is fixed at the side surface of the horizontal shaft seat, a piston rod of the telescopic cylinder is connected with the rear end of the transverse shaft through a connecting piece, the telescopic cylinder is used for driving the transverse shaft to extend or retract, the sprayer is of a cylindrical structure, the sprayer is erected right in front of the extending direction of the transverse shaft, the center and the thrust wheel blank can be fed into the sprayer after the transverse shaft extends, a spraying hole is formed in the inner wall of the sprayer, a liquid inlet pipe is communicated with the outer wall of the sprayer, and the liquid inlet pipe is communicated with the spraying hole.
Preferably, the heat treatment device further comprises a recovery tank, a paper tape filter and a water pump, wherein the recovery tank is fixed below the sprayer and used for recovering quenching liquid sprayed by the sprayer, the paper tape filter is fixed in the recovery tank and used for filtering the quenching liquid, and the water pump is used for conveying the quenching liquid in the recovery tank into the sprayer through a liquid inlet pipe.
Preferably, the automatic punching device comprises a transfer table, wherein the transfer table is arranged between the punching device and the heat supplementing device and comprises a vertical frame, a supporting rod is fixed at the top of the vertical frame, and the supporting rod can be inserted into the axle center of the thrust wheel blank.
The forging and forming process of the thrust wheel comprises the forging and forming equipment of the thrust wheel, and further comprises the following processes:
s1, cutting raw materials, namely cutting round bar raw materials into round bar materials with specified lengths through a round bar cutting device;
S2, heating before forging, and heating the round bar material to the temperature required by forging through a furnace body of a heating device;
S3, bar stock making, namely pre-forging the heated round bar stock through a pre-forging stock making device, and forging the round bar stock into a pre-forging stock;
S4, surface dephosphorization, namely feeding the formed pre-forging stock into a dephosphorization machine through a first manipulator, and removing oxide skin on the surface of the pre-forging stock by the dephosphorization machine;
s5, final forging of the supporting wheel, namely placing the pre-forging blank with the oxide skin removed into a final forging device through a first manipulator for final forging, and forging the pre-forging blank into a supporting wheel blank with an inner hole closed at the axis;
S6, punching, namely moving the forged weight wheel blank in the final forging device to a punching device through a second mechanical arm, and punching the axis of the weight wheel blank by the punching device to enable the axis of the weight wheel blank to be communicated;
s7, heating the blank, namely moving the blank of the supporting wheel which is not completely cooled after punching to a heat supplementing device through a third manipulator, and heating the blank of the supporting wheel again by the heat supplementing device to heat the blank of the supporting wheel to the heat treatment temperature;
S8, carrying out surface heat treatment, moving the heated supporting wheel blank to a heat treatment device by a third manipulator, fixing the heated supporting wheel blank on a center, spraying quenching liquid to the supporting wheel blank through a sprayer for quenching, and placing the quenched supporting wheel blank into a material frame by the third manipulator.
The invention has the beneficial effects that the heat supplementing device and the heat treatment device are arranged, the round bar material is heated and manufactured into the blank of the thrust wheel, and then the blank of the uncooled thrust wheel is heated through the heat supplementing device, so that waste heat can be effectively reduced, the punched blank of the thrust wheel can quickly reach the temperature required by heat treatment, and quenching liquid is uniformly sprayed to the blank of the heated thrust wheel through the sprayer of the heat treatment device, so that the time required by the quenching process of the blank of the thrust wheel is reduced. The quenching by utilizing forging waste heat can retain the tissue fiber of the material, can avoid the growth of recrystallized grains, and has much higher strength and toughness than the performance obtained by cooling and re-heat treatment in the traditional process after tempering treatment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a preferred embodiment of a roller forging apparatus according to the present invention;
FIG. 2 is a schematic diagram of the structure of a furnace body of a thrust wheel forging forming apparatus of the present invention;
FIG. 3 is a schematic view of the structure of a support platform of a thrust wheel forging apparatus of the present invention;
FIG. 4 is a schematic view of the structure of an induction heating coil of a roller forging apparatus according to the present invention;
FIG. 5 is a schematic diagram of a belt filter of a roller forging apparatus of the present invention;
FIG. 6 is a schematic diagram of a sprayer of a thrust wheel forging apparatus of the present invention;
The device comprises a round bar cutting device 1, a phosphorus removing machine 3, a heating device 4, a pre-forging blank making device 5, a final forging device 6, a punching device 7, a heat supplementing device 8, a heat treatment device 9, a material frame 10, a first mechanical arm 11, a second mechanical arm 12, a third mechanical arm 13, a top point 14, a sprayer 15, a push plate feeding machine 16, a conveying track 17, a blanking cylinder 18, a blanking supporting plate 19, a pushing cylinder 20, a discharging track 21, a supporting platform 22, a furnace body 23, a workbench 24, a center supporting seat 25, a rotating table 26, an induction heating coil 27, a horizontal shaft seat 28, a telescopic cylinder 29, a transverse shaft 30, a liquid inlet pipe 31, a spraying hole 32, a recycling pool, a filter, a paper tape 34, a water pump 35, a transfer table 36, a vertical frame 37 and a supporting rod.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
As shown in fig. 1 to 6, the invention provides an embodiment of a supporting wheel forging forming device and process, which comprises a round bar cutting device 1 and a dephosphorization machine 2, wherein the dephosphorization machine 2 is used for removing oxide skin on a pre-forging blank, the round bar cutting device 1 is used for cutting round bar raw materials into round bar materials with a specified length, the device also comprises a heating device 3, a pre-forging blank device 4, a finish forging device 5, a punching device 6, a heat supplementing device 7, a heat treatment device 8, a material frame 9, a first manipulator 10, a second manipulator 11 and a third manipulator 12, the discharge end of the round bar cutting device 1 is connected with the feed end of the heating device 3, the discharge end of the heating device 3, the pre-forging blank device 4, the dephosphorization machine 2 and the finish forging device 5 are sequentially arranged around the circumference direction of the first manipulator 10, the round bar materials are heated by the heating device 3 and then are sequentially sent into the pre-forging blank device 4, the heat treatment machine and the finish forging device 5 through the first manipulator 10 for processing.
The punching device 6 and the heat supplementing device 7 are sequentially arranged around the circumferential direction of the second manipulator 11, the punching device 6 is connected with the final forging device 5 through the second manipulator 11, the heat treatment device 8 and the material frame 9 are sequentially arranged around the circumferential direction of the third manipulator 12, and the heat treatment device 8 is connected with the heat supplementing device 7 through the third manipulator 12.
The heating device 3 comprises a furnace body 22 for heating round bar materials to a set temperature, the heating device 3 further comprises a push plate feeding machine 15, a conveying rail 16, a discharging rail 20 and a supporting platform 21, a discharging supporting plate 18, a pushing cylinder 19, a discharging rail 17 and a supporting platform 21, the outlet end of the push plate feeding machine 15 is connected with the inlet end of the conveying rail 16, the discharging cylinder 17 is fixed at the outlet end of the conveying rail 16, the extending direction of the discharging cylinder 17 is perpendicular to the advancing direction of the conveying rail 16, the discharging supporting plate 18 is fixed at one side of the outlet end of the conveying rail 16 and is connected with the feeding end of the furnace body 22, the discharging supporting plate 18 is used for supporting round bar materials, round bar materials cut by the round bar material cutting device are conveyed to the push plate feeding machine 15 through a trolley, the round bar materials are lifted and conveyed to the inlet end of the conveying rail 16 through the pushing plate feeding rail 15, the piston rods of the discharging cylinder 17 extend out of the furnace body to push the round bar materials on the conveying rail 16 and drop on the discharging supporting plate 18, finally the piston rods of the pushing cylinder 17 extend out of the furnace body to push the round bar materials 22 into the round bar materials 22 in the conveying rail 16, the required round bar materials are pushed out of the furnace body 22 through the supporting platform 20, the round bar materials are pushed out of the supporting platform 20 and the round bar materials are heated by the supporting platform 20 after the round bar materials are pushed out of the round bar materials through the required round bar materials, and the round bar materials are pushed out of the round bar materials to the round bar materials through the supporting platform 20 and the round bar materials are heated by the supporting platform 20, and the round bar materials after the round bar materials are heated by the required and conveyed to be heated.
The pre-forging blank making device 4 comprises a first multi-directional die forging press, the first multi-directional die forging press forges the heated round bar material into a pre-forging blank through a pre-forging die in an integral forging forming mode,
The final forging device 5 is used for forging the pre-forging blank into a supporting wheel blank, and the final forging device 5 comprises a second multi-directional die forging press which forges the pre-forging blank into the supporting wheel blank through a final forging die in an integral forging forming mode.
The punching device 6 is used for punching the axle center of the thrust wheel blank, and the punching device 6 comprises a third multidirectional die forging press machine, wherein the third multidirectional die forging press machine is used for punching the center of the thrust wheel blank, so that the axle center of the thrust wheel blank is communicated.
The heat supplementing device 7 is used for heating the thrust wheel blank to the heat treatment temperature, the heat supplementing device 7 comprises a workbench 23, a central supporting seat 24, a rotating table 25 and an induction heating coil 26, the second manipulator 11 and the third manipulator 12 are respectively arranged on two sides of the workbench 23, the central supporting seat 24 is fixed on the workbench 23, the thrust wheel blank can be fixed on the central supporting seat 24, the central supporting seat 24 is coaxially fixed on the rotating table 25, the induction heating coil 26 is arranged around the central supporting seat 24, the induction heating coil 26 is used for heating the thrust wheel blank, and the rotating table 25 drives the central supporting seat 24 and the thrust wheel blank to rotate, so that all parts of the thrust wheel blank are heated more uniformly.
The heat treatment device 8 comprises a center 13 and a sprayer 14, the third manipulator 12 moves the heated thrust wheel blank to the center 13 for supporting and fixing, the heat treatment device 8 comprises a horizontal shaft seat 27, a telescopic cylinder 28 and a horizontal shaft 29, the horizontal shaft 29 is horizontally and slidably arranged in the horizontal shaft seat 27, the center 13 is fixed at the front end of the horizontal shaft 29, the center 13 is used for clamping the thrust wheel blank, the telescopic cylinder 28 is fixed on the side face of the horizontal shaft seat 27, a piston rod of the telescopic cylinder 28 is connected with the rear end of the horizontal shaft 29 through a connecting piece, the telescopic cylinder 28 is used for driving the horizontal shaft 29 to stretch out or retract, the sprayer 14 is of a cylindrical structure, the sprayer 14 is erected right in front of the stretching direction of the horizontal shaft 29, the center 13 and the thrust wheel blank can be fed into the sprayer 14 after the horizontal shaft 29 stretches out, a spraying hole 31 is formed in the inner wall of the sprayer 14, a liquid inlet pipe 30 is communicated with the outer wall of the sprayer 14, and the liquid inlet pipe 30 is communicated with the spraying hole 31.
The heat treatment device 8 further comprises a recovery tank 32, a paper tape filter 33 and a water pump 34, wherein the recovery tank 32 is fixed below the sprayer 14 and used for recovering quenching liquid sprayed by the sprayer 14, the paper tape filter 33 is fixed in the recovery tank 32 and used for filtering the quenching liquid, the water pump 34 sends the quenching liquid in the recovery tank 32 into the sprayer 14 through a liquid inlet pipe 30, and the sprayer 14 can spray the quenching liquid to the thrust wheel blank on the center 13.
The automatic punching device comprises a transfer table 35, wherein the transfer table 35 is arranged between a punching device 6 and a heat supplementing device 7, the transfer table 35 comprises a vertical frame 36, a supporting rod 37 is fixed at the top of the vertical frame 36, the supporting rod 37 can be inserted into the axis of a thrust wheel blank, the thrust wheel blank after punching is arranged on the transfer table 35 through a second manipulator 11 and is fixed through the supporting rod 37 after the punching is finished by the punching device 6, the thrust wheel blank on the transfer table 35 is moved to the heat supplementing device 7 for heating through a third manipulator 12, the heat supplementing device 7 needs longer time for heating, the punching time is shorter, the transfer table 35 is arranged in the middle, the punching device 6 can be continuously produced without waiting for subsequent stations, the stations can be connected better, the production efficiency of the whole production line is improved, the tissue fibers of materials can be reserved by utilizing the waste heat for quenching, meanwhile, the grains after recrystallization can be avoided, and the strength and the toughness are improved greatly compared with the performance obtained by the heat treatment after the tempering treatment.
The forging and forming process of the thrust wheel comprises the forging and forming equipment of the thrust wheel, and further comprises the following processes:
s1, cutting raw materials, namely cutting round bar raw materials into round bar materials with specified lengths through a round bar cutting device 1;
s2, heating before forging, and heating the round bar material to the temperature required by forging through a furnace body 22 of a heating device 3;
S3, bar stock making, namely pre-forging the heated round bar stock through a pre-forging stock making device 4, and forging the round bar stock into a pre-forging stock;
S4, surface dephosphorization, namely feeding the formed pre-forging stock into a dephosphorization machine 2 through a first manipulator 10, and removing oxide skin on the surface of the pre-forging stock by the dephosphorization machine 2;
S5, final forging is carried out on the supporting wheel, namely the pre-forging blank with the oxide skin removed is placed into a final forging device 5 through a first manipulator 10 to be subjected to final forging, and the pre-forging blank is forged into a supporting wheel blank with an inner hole closed at the axis;
s6, punching, namely moving the forged weight wheel blank in the final forging device 5 to a punching device 6 through a second manipulator 11, and punching the axis of the weight wheel blank by the punching device 6 to enable the axis of the weight wheel blank to be communicated;
s7, heating the blank, namely moving the blank of the thrust wheel which is not completely cooled after punching to a heat supplementing device 7 through a third manipulator 12, and heating the blank of the thrust wheel by the heat supplementing device 7 again to heat the blank of the thrust wheel to the heat treatment temperature;
S8, carrying out surface heat treatment, moving the heated supporting wheel blank to a heat treatment device 8 by a third manipulator 12, fixing the heated supporting wheel blank on a center 13, spraying quenching liquid to the supporting wheel blank through a sprayer 14 for quenching, and placing the quenched supporting wheel blank into a material frame 9 through the third manipulator 12.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1.一种支重轮锻造成型设备,包括圆棒切割装置(1)和除磷机(2),所述圆棒切割装置(1)用于将圆棒原材料切割成规定长度的圆棒料,其特征在于:还包括加热装置(3)、预锻制坯装置(4)、终锻装置(5)、冲孔装置(6)、补热装置(7)、热处理装置(8)、料框(9)、第一机械手(10)、第二机械手(11)和第三机械手(12),所述圆棒切割装置(1)的出料端衔接所述加热装置(3)的进料端,所述加热装置(3)的出料端、预锻制坯装置(4)、除磷机(2)和终锻装置(5)围绕第一机械手(10)的圆周方向顺次设置,所述加热装置(3)包括用于将圆棒料加热至设定温度的炉体(22),所述预锻制坯装置(4)用于将圆棒料锻造成预锻坯,所述除磷机(2)用于去除预锻坯上的氧化皮,所述冲孔装置(6)和补热装置(7)围绕第二机械手(11)的圆周方向顺次设置,所述冲孔装置(6)通过第二机械手(11)衔接所述终锻装置(5),所述终锻装置(5)用于将预锻坯锻造成支重轮毛坯,所述冲孔装置(6)用于对支重轮毛坯的轴心冲孔,所述热处理装置(8)和料框(9)围绕第三机械手(12)的圆周方向顺次设置,所述热处理装置(8)通过第三机械手(12)衔接所述补热装置(7),所述补热装置(7)用于将支重轮毛坯加热至热处理温度,所述热处理装置(8)包括顶尖(13)和喷淋器(14),第三机械手(12)将加热后的支重轮毛坯移动至顶尖(13)处进行支撑固定,所述喷淋器(14)能够向顶尖(13)上的支重轮毛坯喷洒淬火液。1. A supporting wheel forging and forming equipment, comprising a round bar cutting device (1) and a dephosphorization machine (2), wherein the round bar cutting device (1) is used to cut a round bar raw material into round bars of a specified length, and is characterized in that it also includes a heating device (3), a pre-forging and blanking device (4), a final forging device (5), a punching device (6), a supplementary heating device (7), a heat treatment device (8), a material frame (9), a first manipulator (10), a second manipulator (11) and a third manipulator (12), wherein the discharge end of the round bar cutting device (1) is connected to the feed end of the heating device (3), the discharge end of the heating device (3), the pre-forging and blanking device (4), the dephosphorization machine (2) and the final forging device (5) are arranged in sequence around the circumferential direction of the first manipulator (10), the heating device (3) comprises a furnace body (22) for heating the round bar to a set temperature, the pre-forging and blanking device (4) is used to forge the round bar into a pre-forging blank, and the dephosphorization machine (2) is used to remove In order to remove the oxide scale on the pre-forged blank, the punching device (6) and the supplementary heat device (7) are sequentially arranged around the circumference of the second manipulator (11), the punching device (6) is connected to the final forging device (5) through the second manipulator (11), the final forging device (5) is used to forge the pre-forged blank into a roller blank, the punching device (6) is used to punch the axis of the roller blank, the heat treatment device (8) and the material frame (9) are sequentially arranged around the circumference of the third manipulator (12) The heat treatment device (8) is arranged in sequence, the heat treatment device (8) is connected to the supplementary heating device (7) through the third manipulator (12), the supplementary heating device (7) is used to heat the supporting roller blank to a heat treatment temperature, the heat treatment device (8) comprises a top (13) and a sprayer (14), the third manipulator (12) moves the heated supporting roller blank to the top (13) for support and fixation, and the sprayer (14) can spray quenching liquid onto the supporting roller blank on the top (13). 2.根据权利要求1所述的一种支重轮锻造成型设备,其特征在于:所述加热装置(3)还包括推板上料机(15)、输送轨道(16)、下料气缸(17)、下料托板(18)、推进气缸(19)、出料轨道(20)和承托平台(21),所述推板上料机(15)的出口端连接所述输送轨道(16)的进口端,所述下料气缸(17)固定在所述输送轨道(16)的出口端并且下料气缸(17)的伸出方向垂直于所述输送轨道(16)的前进方向,所述下料托板(18)固定在所述输送轨道(16)的出口端的一侧并且连接所述炉体(22)的进料端,所述下料托板(18)用于承托圆棒料,所述推进气缸(19)用于将圆棒料推入炉体(22)内,所述出料轨道(20)的两端分别连接所述炉体(22)的出料端和承托平台(21),所述出料轨道(20)用于将炉体(22)加热后的圆棒料输送至承托平台(21)。2. A supporting wheel forging equipment according to claim 1, characterized in that: the heating device (3) also includes a plate pusher (15), a conveying track (16), a material discharge cylinder (17), a material discharge support plate (18), a propulsion cylinder (19), a material discharge track (20) and a supporting platform (21), the outlet end of the plate pusher (15) is connected to the inlet end of the conveying track (16), the material discharge cylinder (17) is fixed at the outlet end of the conveying track (16) and the extension direction of the material discharge cylinder (17) is perpendicular to The conveying track (16) is arranged in a forward direction, the unloading support plate (18) is fixed on one side of the outlet end of the conveying track (16) and is connected to the feed end of the furnace body (22), the unloading support plate (18) is used to support round bars, the thrust cylinder (19) is used to push the round bars into the furnace body (22), the two ends of the unloading track (20) are respectively connected to the unloading end of the furnace body (22) and the supporting platform (21), and the unloading track (20) is used to transport the round bars heated by the furnace body (22) to the supporting platform (21). 3.根据权利要求1所述的一种支重轮锻造成型设备,其特征在于:所述预锻制坯装置(4)包括第一多向模锻压力机,所述第一多向模锻压力机通过预锻模具将加热后的圆棒料锻造成预锻坯,所述终锻装置(5)包括第二多向模锻压力机,所述第二多向模锻压力机通过终锻模具将预锻坯锻造成支重轮毛坯,所述冲孔装置(6)包括第三多向模锻压力机,所述第三多向模锻压力机用于对支重轮毛坯的中心进行冲孔,使支重轮毛坯的轴心贯通。3. A supporting wheel forging equipment according to claim 1, characterized in that: the pre-forging blank making device (4) includes a first multi-directional die forging press, the first multi-directional die forging press forges the heated round bar material into a pre-forging blank through a pre-forging die, the final forging device (5) includes a second multi-directional die forging press, the second multi-directional die forging press forges the pre-forged blank into a supporting wheel blank through a final forging die, and the punching device (6) includes a third multi-directional die forging press, the third multi-directional die forging press is used to punch the center of the supporting wheel blank so that the axis of the supporting wheel blank passes through. 4.根据权利要求1所述的一种支重轮锻造成型设备,其特征在于:所述补热装置(7)包括工作台(23)、中心支撑座(24)、转动台(25)和感应加热线圈(26),所述第二机械手(11)和第三机械手(12)分别设置于所述工作台(23)的两侧,所述中心支撑座(24)固定在所述工作台(23)上,所述支重轮毛坯能够固定在所述中心支撑座(24)上,所述中心支撑座(24)同轴固定在所述转动台(25)上,所述感应加热线圈(26)围绕所述中心支撑座(24)设置,所述感应加热线圈(26)用于对支重轮毛坯进行加热。4. A roller forging equipment according to claim 1, characterized in that: the supplementary heat device (7) comprises a workbench (23), a center support seat (24), a rotating table (25) and an induction heating coil (26), the second manipulator (11) and the third manipulator (12) are respectively arranged on both sides of the workbench (23), the center support seat (24) is fixed on the workbench (23), the roller blank can be fixed on the center support seat (24), the center support seat (24) is coaxially fixed on the rotating table (25), the induction heating coil (26) is arranged around the center support seat (24), and the induction heating coil (26) is used to heat the roller blank. 5.根据权利要求1所述的一种支重轮锻造成型设备,其特征在于:所述热处理装置(8)包括水平轴座(27)、伸缩气缸(28)和横轴(29),所述横轴(29)水平滑动安装在所述水平轴座(27)内,所述顶尖(13)固定在所述横轴(29)的前端,所述顶尖(13)用于夹持支重轮毛坯,所述伸缩气缸(28)固定在所述水平轴座(27)的侧面,伸缩气缸(28)的活塞杆通过连接件与所述横轴(29)的后端连接,所述伸缩气缸(28)用于带动所述横轴(29)伸出或收回,所述喷淋器(14)为圆筒形结构,所述喷淋器(14)架设于横轴(29)伸出方向的正前方,当所述横轴(29)伸出后能够将顶尖(13)和支重轮毛坯送入所述喷淋器(14)内,所述喷淋器(14)的内壁开设有喷淋孔(31),所述喷淋器(14)的外壁连通有进液管(30),所述进液管(30)与所述喷淋孔(31)连通。5. A roller forging equipment according to claim 1, characterized in that: the heat treatment device (8) comprises a horizontal shaft seat (27), a telescopic cylinder (28) and a transverse shaft (29), the transverse shaft (29) is horizontally slidably installed in the horizontal shaft seat (27), the top (13) is fixed at the front end of the transverse shaft (29), the top (13) is used to clamp the roller blank, the telescopic cylinder (28) is fixed on the side of the horizontal shaft seat (27), and the piston rod of the telescopic cylinder (28) is connected to the transverse shaft (29) through a connecting piece. 9), the telescopic cylinder (28) is used to drive the horizontal axis (29) to extend or retract, the sprayer (14) is a cylindrical structure, the sprayer (14) is erected just in front of the extending direction of the horizontal axis (29), and when the horizontal axis (29) is extended, the top (13) and the supporting wheel blank can be sent into the sprayer (14), the inner wall of the sprayer (14) is provided with a spray hole (31), the outer wall of the sprayer (14) is connected to a liquid inlet pipe (30), and the liquid inlet pipe (30) is connected to the spray hole (31). 6.根据权利要求5所述的一种支重轮锻造成型设备,其特征在于:所述热处理装置(8)还包括回收池(32)、纸带过滤机(33)和水泵(34),所述回收池(32)固定在所述喷淋器(14)的下方用于回收喷淋器(14)喷洒的淬火液,所述纸带过滤机(33)固定在回收池(32)内用于过滤淬火液,所述水泵(34)通过进液管(30)将回收池(32)内的淬火液送入喷淋器(14)。6. A supporting wheel forging equipment according to claim 5, characterized in that: the heat treatment device (8) also includes a recovery tank (32), a paper belt filter (33) and a water pump (34), the recovery tank (32) is fixed below the sprayer (14) for recovering the quenching liquid sprayed by the sprayer (14), the paper belt filter (33) is fixed in the recovery tank (32) for filtering the quenching liquid, and the water pump (34) delivers the quenching liquid in the recovery tank (32) into the sprayer (14) through the liquid inlet pipe (30). 7.根据权利要求3所述的一种支重轮锻造成型设备,其特征在于:还包括中转台(35),所述中转台(35)设置在所述冲孔装置(6)和补热装置(7)之间,所述中转台(35)包括立架(36),所述立架(36)的顶部固定有支杆(37),所述支杆(37)能够插入支重轮毛坯的轴心处。7. A roller forging equipment according to claim 3, characterized in that it also includes a turntable (35), the turntable (35) is arranged between the punching device (6) and the heating device (7), the turntable (35) includes a stand (36), a support rod (37) is fixed on the top of the stand (36), and the support rod (37) can be inserted into the axis of the roller blank. 8.一种支重轮锻造成型工艺,其特征在于,包括如权利要求1至7中任一项所述的支重轮锻造成型设备,还包括以下工艺:8. A roller forging process, characterized in that it comprises the roller forging equipment according to any one of claims 1 to 7, and further comprises the following process: S1、原料切割,通过圆棒切割装置(1)将圆棒原材料切割成规定长度的圆棒料;S1, raw material cutting, cutting the round bar raw material into round bars of specified length by the round bar cutting device (1); S2、锻造前加热,通过加热装置(3)的炉体(22)将圆棒料加热至锻造所需温度;S2, heating before forging, heating the round bar material to a temperature required for forging by means of a furnace body (22) of a heating device (3); S3、棒料制坯,通过预锻制坯装置(4)将加热后的圆棒料预锻,将圆棒料锻造成预锻坯;S3, bar stock blanking, pre-forging the heated round bar stock by a pre-forging blanking device (4), and forging the round bar stock into a pre-forged blank; S4、表面除磷,通过第一机械手(10)将成型后的预锻坯送入除磷机(2)内,除磷机(2)将预锻坯表面的氧化皮去除;S4, surface dephosphorization, the formed pre-forged billet is sent into a dephosphorization machine (2) by a first manipulator (10), and the dephosphorization machine (2) removes the oxide scale on the surface of the pre-forged billet; S5、支重轮终锻,通过第一机械手(10)将去除氧化皮的预锻坯放入终锻装置(5)内进行终锻,将预锻坯锻造成轴心处内孔封闭的支重轮毛坯;S5, final forging of the track wheel, placing the pre-forged blank from which the oxide scale has been removed into the final forging device (5) by means of the first manipulator (10) for final forging, and forging the pre-forged blank into a track wheel blank with a closed inner hole at the axis; S6、冲孔,通过第二机械手(11)将终锻装置(5)中锻造完成的支重轮毛坯移动至冲孔装置(6),冲孔装置(6)对支重轮毛坯的轴心处进行冲孔,使支重轮毛坯的轴心贯通;S6, punching, moving the roller blank forged in the final forging device (5) to the punching device (6) by means of the second manipulator (11), and the punching device (6) punches a hole at the axis of the roller blank so that the axis of the roller blank is penetrated; S7、毛坯升温,通过第三机械手(12)将冲孔完成后未完全冷却的支重轮毛坯移动至补热装置(7),补热装置(7)再次加热支重轮毛坯,使支重轮毛坯升温至热处理温度;S7, heating the blank, moving the roller blank that has not been completely cooled after punching to the supplementary heating device (7) through the third manipulator (12), and the supplementary heating device (7) heats the roller blank again to raise the temperature of the roller blank to the heat treatment temperature; S8、表面热处理,第三机械手(12)将升温后的支重轮毛坯移动至热处理装置(8)并固定在顶尖(13)上,然后通过喷淋器(14)向支重轮毛坯喷洒淬火液进行淬火,淬火完成后的支重轮毛坯通过第三机械手(12)放入料框(9)内。S8, surface heat treatment, the third manipulator (12) moves the heated roller blank to the heat treatment device (8) and fixes it on the top (13), then sprays quenching liquid on the roller blank through the sprayer (14) for quenching. After quenching, the roller blank is placed into the material frame (9) through the third manipulator (12).
CN202411756230.0A 2024-12-03 2024-12-03 A kind of track wheel forging equipment and process Active CN119238129B (en)

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