CN116287590A - Automatic heat treatment equipment for vertical high-frequency induction quenching - Google Patents
Automatic heat treatment equipment for vertical high-frequency induction quenching Download PDFInfo
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- CN116287590A CN116287590A CN202310122812.2A CN202310122812A CN116287590A CN 116287590 A CN116287590 A CN 116287590A CN 202310122812 A CN202310122812 A CN 202310122812A CN 116287590 A CN116287590 A CN 116287590A
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- 238000010791 quenching Methods 0.000 title claims abstract description 191
- 230000000171 quenching effect Effects 0.000 title claims abstract description 189
- 230000006698 induction Effects 0.000 title claims abstract description 61
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000498 cooling water Substances 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 21
- 230000009467 reduction Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- 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
- C21D1/42—Induction heating
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- 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
- C21D1/667—Quenching devices for spray quenching
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- 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
- C21D11/00—Process control or regulation for heat treatments
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- 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
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Abstract
The invention provides vertical high-frequency induction quenching automatic heat treatment equipment, which comprises a high-frequency induction quenching device and a cooling water circulation system, wherein the high-frequency induction quenching device comprises an upper clamping mechanism, a lower clamping mechanism, a workpiece gripper and a quenching assembly; the cooling water circulation system comprises a water collecting tank, a water return pump, a refrigerating unit and a cooling water pipe, wherein the water collecting tank is arranged below the lower center, the water return tank is arranged at the rear of the high-frequency induction quenching device, the water collecting tank is connected with the water return tank through a pipeline, the refrigerating unit is connected with the water return tank through the water return pump, and the refrigerating unit is connected with a spray head arranged at the quenching position of a workpiece of the high-frequency induction quenching device through the cooling water pipe. The vertical high-frequency induction quenching automatic heat treatment equipment can realize automatic clamping of workpieces, high-frequency quenching and cooling at different positions, and has high quenching efficiency and strong adaptability.
Description
Technical Field
The invention relates to the technical field of quenching equipment, in particular to vertical high-frequency induction quenching automatic heat treatment equipment.
Background
The high-frequency quenching is mostly used for surface quenching of industrial metal parts, and is a metal heat treatment method for generating certain induction current on the surface of a workpiece, rapidly heating the surface of the part and then rapidly quenching. An induction heating apparatus, i.e. an apparatus that induction heats a workpiece to quench the surface. The principle of induction heating is that the workpiece is placed in an inductor, which is typically a hollow copper tube fed with an alternating medium or high frequency current (1000-300000 Hz or higher). The alternating magnetic field is generated to generate induction current with the same frequency in the workpiece, the induction current is unevenly distributed on the workpiece, the induction current is strong on the surface and weak in the inner part, the core is close to 0, the surface of the workpiece can be rapidly heated by utilizing the skin effect, the surface temperature rises to 800-1000 ℃ within a few seconds, and the temperature of the core rises very little.
The main function of the camshaft for the internal combustion engine is to drive and control the opening and closing of a valve through a rocker arm and a roller, so that the fuel oil combustion is controlled, the rotating speed of the camshaft is very high, the camshaft is required to have high enough requirements such as hardness, effective hardening layer depth, strength and the like, quenching treatment is needed, the structure of the camshaft for the internal combustion engine is shown in fig. 1, the camshaft for the internal combustion engine consists of a plurality of cam structures such as A-F and the like, in the actual quenching process, quenching is needed to be carried out on different positions such as A-F and the like, after the camshaft is clamped, a quenching sensor is contacted with the position A for 3 seconds, the quenching sensor is cooled for 3 seconds, then the quenching sensor is moved to the position B for contacting with the position A, the position B is heated for 3 seconds, the quenching sensor is cooled for 3 seconds, and the quenching sensor is sequentially used until the position F is quenched, and then blanking can be carried out. The quenching process mainly has the following difficulties:
(1) How to realize automatic up-and-down clamping of the cam shaft, and ensure the clamping of the cam shaft and the stability in the high-speed rotation process;
(2) How to ensure the accurate movement of the camshaft from the A-F position and high-frequency quenching;
(3) How to improve the quenching efficiency;
(4) How to improve the applicability of the equipment so as to adapt to the quenching requirements of camshafts with different lengths and different models.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the vertical high-frequency induction quenching automatic heat treatment equipment which can realize automatic clamping of workpieces, high-frequency quenching and cooling at different positions, and has high quenching efficiency and strong adaptability.
The invention provides a vertical high-frequency induction quenching automatic heat treatment device, which comprises: a high-frequency induction hardening apparatus and a cooling water circulation system, wherein the high-frequency induction hardening apparatus comprises: the upper clamping mechanism comprises an upper center positioning driving device and an upper center assembly, the upper center assembly is arranged on the upper center positioning driving device, and the upper center positioning driving device is used for driving the upper center assembly to vertically move up and down; the lower clamping mechanism is arranged below the upper center assembly and comprises a lower center, and the lower center is driven by a lower center driving motor; the workpiece gripper is arranged on one side of the lower center and comprises a gripper mounting bracket which is arranged on a lower center mounting seat and positioned on one side of the lower center, gripper cylinders which are horizontally distributed and are right opposite to the lower center are arranged on the gripper mounting bracket, and magnet grippers are arranged on telescopic shafts of the gripper cylinders; the quenching assembly comprises a high-frequency quenching driving device and a high-frequency quenching mechanism, the high-frequency quenching mechanism is arranged on the high-frequency quenching driving device, the high-frequency quenching driving device is used for driving the high-frequency quenching mechanism to vertically move up and down, and the high-frequency quenching mechanism is arranged between the upper clamping mechanism and the lower clamping mechanism; the cooling water circulation system comprises a water collecting tank, a water return pump, a refrigerating unit, a cooling water pipe and a heat exchanger, wherein the water collecting tank is arranged below the lower center, the water return tank is arranged behind the high-frequency induction quenching device, the water collecting tank is connected with the water return tank through a pipeline, the heat exchanger is connected with the water return tank through the water return pump, the heat exchanger is connected with the refrigerating unit through the pipeline, and the refrigerating unit is connected with a spray head arranged at a workpiece quenching position of the high-frequency induction quenching device through the cooling water pipe.
In the technical scheme, in actual operation, firstly, a camshaft to be quenched is placed on a lower center of a lower clamping mechanism through a manipulator, in order to ensure that the camshaft is stably erected on the lower center, one side of the lower center is correspondingly provided with a workpiece gripper, the camshaft is positioned and gripped stably through a gripper cylinder driving magnet gripper in the workpiece gripper, a feeding manipulator can reset and grip the next camshaft, then a high-frequency quenching driving device drives a high-frequency quenching mechanism to move downwards so that the high-frequency quenching mechanism is in contact with the surface of the A position of the camshaft, then an ascending center positioning driving device drives an ascending center assembly to move downwards to a position, so that the ascending center in the ascending center assembly props against the top of the camshaft, the camshaft is clamped between the ascending center and the lower center, automatic clamping of a workpiece is realized, then the gripper cylinder driving magnet gripper is reset, the magnet gripper is separated from the workpiece, then the lower center driving motor drives the camshaft to rotate at a high speed, the camshaft works in the process of rotating at a high speed, the high-frequency quenching mechanism enables the A position of the camshaft to be heated rapidly, cooling liquid is sprayed to the workpiece after the high-frequency quenching mechanism is driven to move downwards, then the camshaft B position is driven to move downwards, and the quenching mechanism is driven to the high-frequency quenching mechanism is driven to move downwards until the position of the high-frequency quenching mechanism is positioned and the quenching mechanism is positioned downwards, and the quenching mechanism is positioned downwards again, and the quenching mechanism is positioned and moved downwards. In the quenching process, the sprayed cooling water flows back to the water return tank after being collected by the water collecting tank, the cooling water in the water return tank is conveyed to the refrigerating unit for refrigeration after being subjected to heat exchange by the water return pump conveying heat exchanger, and finally is conveyed to the cooling spray head through the cooling water pipe, so that the recycling of the cooling water can be realized, and the water is saved. The setting and control of the working parameters of the equipment can be realized through a man-machine interaction system.
Preferably, the upper center assembly comprises a sliding seat, the back of the sliding seat is arranged on the upper center positioning driving device through a sliding block, a support plate is arranged on the front side surface of the sliding seat, a transverse adjusting cylinder is arranged on the support plate, the transverse adjusting cylinder is horizontally and forwards arranged, an upper center mounting plate is arranged on a telescopic shaft of the transverse adjusting cylinder, and two upper center assemblies arranged side by side at intervals are vertically and downwards fixed on the upper center mounting plate. When the workpiece clamping device is in actual work, the transverse adjusting cylinder arranged on the support plate can drive the upper center assembly arranged on the upper center mounting plate to move in the horizontal direction, so that the upper center assembly can be enhanced to meet the requirements of clamping workpieces of different types, and the workpiece clamping device has good adaptability.
Preferably, the upper center positioning driving device comprises a frame, two Z-direction guide rails which are arranged at intervals in parallel are longitudinally arranged on the frame, an upper center lifting driving motor is arranged at the top of the frame, a reduction gearbox is arranged on an output shaft of the upper center lifting driving motor, an output shaft of the reduction gearbox is longitudinally arranged along the longitudinal direction, a screw rod which is parallel to the Z-direction guide rails and longitudinally arranged on the output shaft of the reduction gearbox is arranged, a screw rod pair which is matched with the screw rod is correspondingly arranged on the screw rod, the back surface of a sliding seat in the upper center assembly is arranged on the Z-direction guide rails of the upper center positioning driving device through a sliding block, and the back surface of the sliding seat is fixedly connected with the screw rod pair in the upper center positioning driving device. During actual operation, the upper center lifting driving motor can drive the screw rod to rotate forwards or reversely after being decelerated by the reduction gearbox, and then the sliding seat can be precisely driven to move up and down along the Z-shaped guide rail through the cooperation between the screw rod and the screw rod pair, so that precise driving of the upper center assembly on the longitudinal position is realized.
Preferably, the upper center assembly comprises a flange pipe, the flange pipe is longitudinally fixed on an upper center mounting plate, a longitudinal compression cylinder is fixed at the top of the flange pipe and vertically arranged downwards, a telescopic shaft of the longitudinal compression cylinder longitudinally penetrates through the flange pipe and then extends downwards, an outer shaft sleeve is fixed at the bottom of the flange pipe, a shaft seat is arranged at the bottom of the outer shaft sleeve, a pressing shaft is longitudinally arranged in the shaft seat, the pressing shaft is located under the telescopic shaft of the longitudinal compression cylinder, an upper shaft sleeve is sleeved at the top of the pressing shaft, a spring is sleeved on the pressing shaft, a rotating shaft mounting seat is arranged below the shaft seat, a bearing is arranged in the rotating shaft mounting seat, the rotating shaft longitudinally penetrates through the bearing, and the upper center is vertically arranged downwards and fixedly connected with the bottom of the rotating shaft. When the automatic clamping device is in actual work, after the upper center lifting driving motor drives the upper center assembly to a proper longitudinal position, the transverse adjusting cylinder drives the upper center assembly to move to the position above a workpiece, the longitudinal pressing cylinder pushes the pressing shaft to press down, the pressing shaft overcomes the elasticity of the spring to press down the rotating shaft, so that the upper center below the rotating shaft is pressed down, and the upper center is matched with the lower center arranged below the upper center to automatically clamp the workpiece.
Preferably, the lower clamping mechanism comprises a lower center mounting seat, two turntables arranged side by side at intervals are arranged on the lower center mounting seat side by side at intervals, lower centers corresponding to upper center assemblies in the upper center assembly are arranged on each turntable, a lower center rotating shaft longitudinally penetrating through the turntables is arranged at the bottom of the lower center, a synchronous belt pulley is arranged at the bottom of the lower center rotating shaft, a lower center driving motor is connected with one lower center rotating shaft, and the two lower center rotating shafts are connected through a synchronous belt. When in actual work, the lower center driving motor drives the two lower center rotating shafts to rotate simultaneously, and can drive the two workpieces to rotate at high speed simultaneously, so that the automatic clamping of the workpieces is realized, and the two workpieces can be clamped simultaneously each time, so that the clamping efficiency is high.
Preferably, the workpiece gripper comprises a gripper mounting bracket which is arranged on the lower center mounting seat and positioned at one side of the lower center, a gripper cylinder which is transversely and horizontally distributed and is right opposite to the lower center is arranged on the gripper mounting bracket, and a magnet gripper is arranged on a telescopic shaft of the gripper cylinder. During actual work, a workpiece to be quenched is placed on the lower center through the manipulator, then the gripper cylinder stretches forwards to enable the magnet gripper to be in contact with the workpiece, the workpiece is positioned and gripped stably by the magnet gripper, then the upper center assembly is driven to move downwards to the right position through the upper center positioning driving device to enable the upper center to prop against the top of the workpiece, so that the workpiece is clamped between the upper center and the lower center, and then the gripper cylinder drives the magnet gripper to reset to enable the magnet gripper to be separated from the workpiece.
Preferably, the high-frequency quenching driving device comprises a Z-direction driving motor vertically and downwards arranged on the frame, a Z-direction driving screw rod parallel to the Z-direction guide rail is arranged on an output shaft of the Z-direction driving motor, the Z-direction sliding seat is arranged on the Z-direction guide rail, and the back surface of the Z-direction sliding seat is connected with the Z-direction driving screw rod through a screw rod pair. During actual operation, the Z-direction driving screw rod can be driven to rotate forwards or reversely through the Z-direction driving motor, and the Z-direction sliding seat can be precisely driven to move up and down along the Z-direction guide rail through the cooperation between the Z-direction driving screw rod and the screw rod pair, so that precise driving of the high-frequency quenching mechanism on the longitudinal position is realized.
Preferably, the high-frequency quenching mechanism comprises a bottom plate, the bottom plate is fixed on a Z-direction sliding seat, an X-direction driving component and a Y-direction driving component are installed on the bottom plate, a high-frequency transformer is fixed on the X-direction driving component and the Y-direction driving component, a conductive rod is installed at the output end of the high-frequency transformer, a quenching seat is installed at the front end of the conductive rod, a quenching support is installed at the front end of the quenching seat, a quenching sensor is installed on the quenching support, a sleeve supporting seat is installed below the quenching support on the quenching seat, and a positioning sleeve is installed on the sleeve supporting seat and is located below the quenching sensor. During actual operation, the quenching sensor and the positioning sleeve can be driven to move accurately in the X direction and the Y direction through the X and Y direction driving components, so that the quenching sensor can be adjusted accurately in the X, Y, Z directions, quenching requirements of workpieces of the same workpiece at different quenching positions or different models can be met, and positioning protection of the workpieces in the quenching process is facilitated through the positioning sleeve arranged below the quenching sensor.
Preferably, the X and Y-direction driving components comprise X-direction guide rails, the X-direction guide rails are arranged on the bottom plate, the X-direction sliding seat is arranged on the X-direction guide rails, the X-direction driving motor is arranged on the bottom plate, the X-direction driving screw rod is arranged on the output shaft of the X-direction driving motor, the X-direction driving screw rod is connected with the bottom surface of the X-direction sliding seat through screw rod pairs, the Y-direction guide rails are arranged on the X-direction sliding seat, the Y-direction sliding seat is arranged on the Y-direction guide rails, the Y-direction driving motor is arranged on the X-direction sliding seat, the Y-direction driving screw rod is arranged on the output shaft of the Y-direction driving motor, the Y-direction driving screw rod is connected with the bottom surface of the Y-direction sliding seat through screw rod pairs, and the high-frequency transformer is fixed on the Y-direction sliding seat. During actual operation, the X-direction sliding seat can be driven to move left and right on the X-direction guide rail through the cooperation between the X-direction driving motor and the X-direction driving screw rod, so that the position of the quenching sensor in the X-direction can be accurately adjusted, the Y-direction sliding seat can be driven to move left and right on the Y-direction guide rail through the cooperation between the Y-direction driving motor and the Y-direction driving screw rod, and the position of the quenching sensor in the Y-direction can be accurately adjusted.
Preferably, the Z-direction sliding seat comprises a sliding plate seat, a plurality of sliding blocks are arranged on the back surface of the sliding plate seat, the sliding plate seat is installed on the Z-direction guide rail through the sliding blocks, a screw rod pair installation seat is further installed on the back surface of the sliding plate seat, a screw rod pair is installed in the screw rod pair installation seat and connected with a Z-direction driving screw rod, two quenching mechanism supports extending forwards are installed on the front side surface of the sliding plate seat, and a bottom plate is fixed on the quenching mechanism supports. Through above-mentioned structural design, can make Z to the sliding seat accurate, steady removal along Z guide rail.
The vertical high-frequency induction quenching automatic heat treatment equipment provided by the invention has the beneficial effects that:
(1) The vertical high-frequency induction quenching automatic heat treatment equipment can realize automatic clamping of workpieces, high-frequency quenching and cooling at different positions, and has high quenching efficiency and strong adaptability. In actual operation, firstly, a camshaft to be quenched is placed on a lower center of a lower clamping mechanism through a manipulator, one side of the lower center is provided with a workpiece gripper correspondingly, the camshaft is positioned and gripped stably through a gripper cylinder driving magnet gripper in the workpiece gripper, then the feeding manipulator can reset and grip the next camshaft, then a high-frequency quenching driving device is used for driving a high-frequency quenching driving mechanism to move downwards so that the high-frequency quenching mechanism is in contact with the surface of the position A of the camshaft, then an upper center positioning driving device is used for driving an upper center assembly to move downwards in place, so that the upper center in the upper center assembly is propped against the top of the camshaft, thereby clamping the camshaft between the upper center and the lower center, automatic clamping of a workpiece is realized, then a gripper cylinder driving magnet gripper is reset, the magnet gripper is separated from the workpiece, then a lower center driving motor is used for driving the camshaft to rotate at a high speed, the camshaft is operated in the high-speed rotation process, the position A of the camshaft is heated rapidly, cooling liquid is sprayed to the workpiece after heating, then the position A of the camshaft is processed, the position B of the camshaft is required to be in contact with the surface of the position A, the camshaft is driven by the high-frequency quenching driving device, the high-frequency quenching mechanism is driven to move downwards, the upper center assembly is driven to move downwards until the upper center assembly is propped against the top of the camshaft, and then the upper center is positioned and quenched by the high-frequency quenching mechanism is driven to move the high-frequency quenching device again, and the position F is positioned to finish the quenching mechanism. In the quenching process, the sprayed cooling water flows back to the water return groove after being collected by the water collecting groove, the cooling water in the water return groove is conveyed to the refrigerating unit for refrigeration after being subjected to heat exchange by the water return pump conveying heat exchanger, and finally is conveyed to the cooling spray head through the cooling water pipe, and meanwhile, the recycling of the cooling water and heat energy can be realized, the water is saved, and the energy consumption is reduced.
(2) The automatic heat treatment equipment for vertical high-frequency induction quenching has high automation degree, can realize automatic clamping of workpieces, can simultaneously clamp two workpieces each time, has high adaptability and high clamping efficiency, and can be adjusted in multiple directions at the position of the upper clamping part. When the workpiece clamping device is in actual work, the transverse adjusting cylinder arranged on the support plate can drive the upper center assembly arranged on the upper center mounting plate to move in the horizontal direction, so that the upper center assembly can be enhanced to meet the requirements of clamping workpieces of different types, and the workpiece clamping device has good adaptability. After the transverse position of the upper center assembly is adjusted, a workpiece to be quenched is placed on the lower center through a manipulator, then a hand grip cylinder stretches forwards, so that a magnet grip is in contact with the workpiece, the workpiece is positioned and gripped stably, then an upper center positioning driving device is used for driving an upper center assembly to move downwards to be in place, the upper center is propped against the top of the workpiece, the workpiece is clamped between the upper center and the lower center, then the hand grip cylinder drives the magnet grip to reset, the magnet grip is separated from the workpiece, the lower center is convenient to rotationally drive the workpiece, a lower center driving motor drives two lower center rotating shafts to drive the lower centers to simultaneously rotate, and then the two workpieces can be simultaneously driven to rotate at a high speed, so that automatic clamping of the workpiece is realized, two workpieces can be simultaneously clamped each time, and the clamping efficiency is high.
(3) The vertical high-frequency induction quenching automatic heat treatment equipment can realize accurate adjustment of the quenching inductor in X, Y, Z directions so as to adapt to quenching requirements of different quenching positions of the same workpiece or workpieces of different types, and has strong adaptability. During actual operation, the Z-direction driving screw rod is driven to rotate forwards or reversely by the Z-direction driving motor, the Z-direction sliding seat can be precisely driven to move up and down along the Z-direction guide rail by the cooperation between the Z-direction driving screw rod and the screw rod pair, so that precise driving of the high-frequency quenching mechanism on the longitudinal position is realized, then the X-direction sliding seat can be driven to move left and right on the X-direction guide rail by the cooperation between the X-direction driving motor and the X-direction driving screw rod, so that the position of the quenching inductor on the Y-direction guide rail can be precisely regulated by the cooperation between the Y-direction driving motor and the Y-direction driving screw rod, precise regulation of the quenching inductor on the X, Y, Z directions is realized, quenching requirements of workpieces with different quenching positions or different types can be met, and positioning sleeves are arranged below the quenching inductor, so that positioning protection of workpieces in a quenching process is facilitated.
Drawings
FIG. 1 is a schematic structural view of a camshaft;
FIG. 2 is a schematic perspective view I of the present invention;
FIG. 3 is a schematic perspective view II of the present invention;
FIG. 4 is a schematic diagram I of the installation structure of the high-frequency induction quenching device, the cooling water circulation system, the electric cabinet and the man-machine interaction system;
FIG. 5 is a schematic diagram II of the installation structure of the high-frequency induction quenching device, the cooling water circulation system, the electric cabinet and the man-machine interaction system;
FIG. 6 is a schematic diagram I of a high-frequency induction hardening apparatus according to the present invention;
FIG. 7 is a schematic diagram II of a high-frequency induction hardening apparatus according to the present invention;
FIG. 8 is a schematic diagram I of an assembled perspective structure of an upper clamping mechanism, a lower clamping mechanism and a workpiece gripper;
FIG. 9 is a schematic diagram II of an assembled perspective structure of an upper clamping mechanism, a lower clamping mechanism and a workpiece gripper;
FIG. 10 is a schematic perspective view of an upper clamping mechanism in the present invention;
fig. 11 is a schematic perspective view of an upper center assembly of the present invention;
fig. 12 is a perspective exploded view of the upper tip assembly of the present invention;
FIG. 13 is a schematic perspective view I of the lower clamping mechanism of the present invention;
FIG. 14 is a schematic perspective view II of the lower clamping mechanism of the present invention;
FIG. 15 is a schematic perspective view III of the lower clamping mechanism of the present invention;
FIG. 16 is a schematic perspective view of a quench assembly of the present invention;
FIG. 17 is a schematic view showing a perspective structure of a high-frequency quenching mechanism in accordance with the present invention;
fig. 18 is a schematic perspective view ii of the induction hardening mechanism in the present invention.
In the figure: 1. a high-frequency induction hardening device;
11. an upper clamping mechanism; 111. an upper center positioning driving device; 1111. a frame; 1112. a Z-direction guide rail; 1113. a screw pair; 1114. a screw rod; 1115. an upper center lifting driving motor; 1116. a reduction gearbox; 112. an upper center assembly; 1121. a sliding seat; 1122. a support plate; 1123. a transverse adjusting cylinder; 1124. an upper center mounting plate; 1125. an upper tip assembly; 11251. a longitudinal compression cylinder; 11252. a flange pipe; 11253. an outer sleeve; 11254. an upper shaft sleeve; 11255. pressing a shaft; 11256. a spring; 11257. a shaft seat; 11258. a bearing 1; 11259. a rotating shaft mounting seat; 112510, a spindle; 112511, upper tip;
12. a lower clamping mechanism; 121. a lower center mounting seat; 122. a lower center driving motor; 123. a turntable; 124. a lower center; 125. a lower center rotating shaft; 126. a synchronous pulley; 127. a belt tensioner;
13. A workpiece gripper; 131. the gripper is provided with a bracket; 132. a gripper cylinder; 133. a magnet gripper;
14. quenching assembly; 141. a high-frequency quenching driving device; 1411. a Z-direction driving motor; 1412. z-direction driving screw rod; 1413. a Z-direction sliding seat; 14131. a slide plate seat; 14132. a slide block; 14133. a screw pair mounting seat; 14134. a quenching mechanism bracket; 142. a high-frequency quenching mechanism; 1420. a bottom plate; 1421. an X-direction driving motor; 1422. x-direction driving screw rod; 1423. an X-direction guide rail; 1424. an X-direction sliding seat; 1425. a Y-direction guide rail; 1426. y-direction sliding seat; 1427. a Y-direction driving motor; 1428. y-direction driving screw rod; 1429. a high frequency transformer; 14210. a conductive rod; 14211. a quenching seat; 14212. quenching the bracket; 14213. a quenching inductor; 14214. a sleeve support seat; 14215. positioning a sleeve;
2. a cooling water circulation system; 21. a water collection tank; 22. a water return tank; 23. a water return pump; 24. a refrigerating unit; 25. a cooling water pipe; 26. a heat exchanger; 3. an electric control box; 4. an outer cover; 5. and a man-machine interaction system.
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 obtained by those skilled in the art without making any inventive effort are within the scope of the present invention.
Examples: an automatic heat treatment device for vertical high-frequency induction quenching.
Referring to fig. 1 to 18, a vertical high-frequency induction hardening automatic heat treatment apparatus includes:
a high-frequency induction hardening apparatus 1, the high-frequency induction hardening apparatus 1 including an upper clamping mechanism 11, a lower clamping mechanism 12, a workpiece grip 13, and a hardening assembly 14;
the upper clamping mechanism 11 comprises an upper center positioning driving device 111 and an upper center assembly 112, wherein the upper center assembly 112 is arranged on the upper center positioning driving device 111, and the upper center positioning driving device 111 is used for driving the upper center assembly 112 to vertically move up and down; the upper center positioning driving device 111 comprises a frame 1111, two parallel Z-shaped guide rails 1112 which are arranged at intervals are longitudinally arranged on the frame 1111, an upper center lifting driving motor 1115 is arranged at the top of the frame 1111, the upper center lifting driving motor 1115 is a servo motor so as to facilitate accurate adjustment of the longitudinal position of the upper center assembly 112, a reduction gearbox 1116 is arranged on an output shaft of the upper center lifting driving motor 1115, an output shaft of the reduction gearbox 1116 is longitudinally arranged, a screw rod 1114 which is parallel to the Z-shaped guide rails 1112 and longitudinally arranged is arranged on an output shaft of the reduction gearbox 1116, and a screw rod pair 1113 which is matched with the screw rod 1114 is correspondingly arranged on the screw rod 1114; in actual operation, the screw rod 1114 can be driven to rotate forward or reversely through the speed reduction of the reduction gearbox 1116 by the upper center lifting driving motor 1115, and then the upper center assembly 112 can be precisely driven to move up and down along the Z-shaped guide rail 1112 through the cooperation between the screw rod 1114 and the screw rod pair 1113, so that the precise adjustment of the longitudinal position of the upper center assembly 112 is realized;
The upper center assembly 112 comprises a sliding seat 1121, the back surface of the sliding seat 1121 is arranged on a Z-shaped guide rail 1112 of the upper center positioning driving device 111 through a sliding block, the back surface of the sliding seat 1121 is fixedly connected with a screw rod pair 1113 in the upper center positioning driving device 111, in actual operation, the sliding seat 1121 can be precisely driven to move up and down along the Z-shaped guide rail 1112 through the cooperation between the screw rod 1114 and the screw rod pair 1113, a support plate 1122 is arranged on the front side surface of the sliding seat 1121, a transverse adjusting cylinder 1123 is arranged on the support plate 1122, the transverse adjusting cylinder 1123 is horizontally arranged forwards, an upper center mounting plate 1124 is arranged on a telescopic shaft of the transverse adjusting cylinder 1123, two upper center assemblies 1125 which are arranged side by side are vertically and downwards fixed on the upper center mounting plate 1124 at intervals, the upper center assemblies 1125 comprise flange pipes 11252, the flange pipes 11252 are longitudinally fixed on the upper center mounting plate 1124, the vertical compression cylinder 11251 is fixed at the top of the flange pipe 11252 and vertically arranged downwards, the telescopic shaft of the vertical compression cylinder 11251 longitudinally penetrates through the flange pipe 11252 and then extends downwards, the outer shaft sleeve 11253 is fixed at the bottom of the flange pipe 11252, the shaft seat 11257 is arranged at the bottom of the outer shaft sleeve 11253, the pressing shaft 11255 is longitudinally arranged in the shaft seat 11257, the pressing shaft 11255 is positioned right below the telescopic shaft of the vertical compression cylinder 11251, the top of the pressing shaft 11255 is sleeved with the upper shaft sleeve 11254 so as to facilitate the downward pressing of the pressing shaft 11255 by the vertical compression cylinder 11251, the pressing shaft 11255 is sleeved with the spring 11256, the rotating shaft mounting seat 11259 is arranged below the shaft seat 11257, the bearing 11258 is arranged in the rotating shaft mounting seat 11259 in a longitudinally penetrating manner, and the rotating shaft 112510 is vertically arranged below the upper tip 112511 and is fixedly connected with the bottom of the rotating shaft 112510. When the cam shaft clamping device is in actual work, after the upper center lifting driving motor 1115 drives the upper center assembly 112 to a proper longitudinal position, the transverse adjusting cylinder 1123 drives the upper center assembly 1125 to move to the position above a workpiece, then the longitudinal pressing cylinder 11251 pushes the pressing shaft 11255 to press down, the pressing shaft 11255 overcomes the elastic force of the spring 11256 to press down the rotating shaft 112510, so that the upper center 112511 below the rotating shaft 112510 is pressed down, and the lower center 124 below the upper center 112511 is matched to realize automatic clamping of the cam shaft;
The lower clamping mechanism 2 is arranged below the upper center assembly 112, the lower clamping mechanism 12 comprises a lower center mounting seat 121, two turntables 123 which are arranged side by side at intervals are arranged on the lower center mounting seat 121 side by side, lower centers 124 which respectively correspond to upper center assemblies 1125 in the upper center assembly 112 are arranged on each turntable 123, a lower center rotating shaft 125 which longitudinally penetrates through the turntables is arranged at the bottom of each lower center 124, a synchronous pulley 126 is arranged at the bottom of each lower center rotating shaft 125, a lower center driving motor 122 is connected with one lower center rotating shaft 125 of the lower center rotating shafts, the two lower center rotating shafts 125 are connected through a synchronous belt, and a belt tensioning wheel 127 is further arranged between the two lower center rotating shafts 125 and used for tensioning a synchronous belt between the two lower center rotating shafts 125; in actual operation, the lower center driving motor 122 drives the two lower center rotating shafts 125 to drive the lower centers 124 to rotate simultaneously, so that the two workpieces can be driven to rotate at high speed simultaneously;
each lower center 124 side corresponds to be installed work piece tongs 13, work piece tongs 13 include install on lower center mount pad 121 and be located the tongs installing support 131 of lower center 124 one side, install horizontal distribution on the tongs installing support 131 and just to the tongs cylinder 132 that lower center 124 set up, install magnet tongs 133 on the telescopic shaft of tongs cylinder 132. In actual operation, a workpiece to be quenched is placed on the lower center 124 through a manipulator, then the gripper cylinder 132 extends forwards to enable the magnet gripper 133 to be in contact with the workpiece, the workpiece is positioned and gripped stably by the magnet gripper 133, then the upper center assembly 112 is driven to move downwards through the upper center positioning driving device 111 to enable the upper center 112511 to prop against the top of the workpiece, so that the workpiece is clamped between the upper center 112511 and the lower center 124, and then the gripper cylinder 132 drives the magnet gripper 133 to reset to enable the magnet gripper 133 to be separated from the workpiece, and the rotation driving of the lower center 124 on the workpiece is facilitated;
A high-frequency quenching driving device 141, which comprises a Z-direction driving motor 1411 vertically and downwardly arranged on a stand 1111, wherein a Z-direction driving screw 1412 which is arranged in parallel with a Z-direction guide rail 1112 is arranged on an output shaft of the Z-direction driving motor 1411, a Z-direction sliding seat 1413 is arranged on the Z-direction guide rail 1112, and a lead screw pair is connected between the back surface of the Z-direction sliding seat 1413 and the Z-direction driving screw 1412; in actual operation, the Z-direction driving screw 1412 can be driven to rotate forward or backward by the Z-direction driving motor 1411, and the Z-direction sliding seat 1413 can be precisely driven to move up and down along the Z-direction guide rail 1112 by the cooperation between the Z-direction driving screw 1412 and the screw pair, so that precise driving of the high-frequency quenching mechanism 142 in the longitudinal position is realized; the Z-direction sliding seat 1413 comprises a sliding seat 14131, a plurality of sliding blocks 14132 are arranged on the back surface of the sliding seat 14131, the sliding seat 14131 is arranged on the Z-direction guide rail 1112 through the sliding blocks 14132, a screw pair mounting seat 14133 is also arranged on the back surface of the sliding seat 14131, a screw pair is arranged in the screw pair mounting seat 14133 and is connected with a Z-direction driving screw 1412, two quenching mechanism brackets 14134 extending forwards are arranged on the front side surface of the sliding seat 14131, and a high-frequency quenching mechanism 142 is fixed on the quenching mechanism brackets 14134; through the structural design, the Z-direction sliding seat 1413 can accurately and stably move along the Z-direction guide rail 1112;
The induction hardening mechanism 142 comprises a base plate 1420, the base plate 1420 is fixed on a hardening mechanism bracket 14134 of a Z-direction sliding seat 1413, an X-direction driving component and a Y-direction driving component are installed on the base plate 1420, the X-direction driving component comprises an X-direction guide rail 1423, the X-direction guide rail 1423 is installed on the base plate 1420, the X-direction sliding seat 1424 is installed on the X-direction guide rail 1423, an X-direction driving motor 1421 is installed on the base plate 1420, an X-direction driving screw 1422 is installed on an output shaft of the X-direction driving motor 1421, the X-direction driving screw 1422 is connected with the bottom surface of the X-direction sliding seat 1424 through a screw pair, a Y-direction guide rail 1425 is installed on the X-direction sliding seat 1424, a Y-direction sliding seat 1426 is installed on the Y-direction guide rail 1425, a Y-direction driving screw 1428 is installed on an output shaft of the Y-direction driving motor 1427, and a high-frequency transformer 1429 is fixedly connected between the Y-direction driving screw 1428 and the bottom surface of the Y-direction sliding seat 1426 through a screw pair; in actual operation, the X-direction sliding seat 1424 can be driven to move left and right on the X-direction guide rail 1423 through the cooperation between the X-direction driving motor 1421 and the X-direction driving screw 1422, so that the position of the quenching sensor 14213 in the X-direction can be accurately adjusted, and the Y-direction sliding seat 1426 can be driven to move left and right on the Y-direction guide rail 1425 through the cooperation between the Y-direction driving motor 1427 and the Y-direction driving screw 1428, so that the position of the quenching sensor 14213 in the Y-direction can be accurately adjusted; the X-direction driving motor 1421 and the Y-direction driving motor 1427 are servo motors, so as to facilitate accurate adjustment of the quenching sensor 14213 in the directions X, Y;
The output end of the high-frequency transformer 1429 is provided with a conductive rod 14210, the front end of the conductive rod 14210 is provided with a quenching seat 14211, the front end of the quenching seat 14211 is provided with a quenching support 14212, the quenching support 14212 is provided with a quenching sensor 14213, and when in actual operation, external current is boosted through the high-frequency transformer 1429 and then is output through the conductive rod 14210, and induction current is generated on the surface of a workpiece through the quenching sensor 14213 to rapidly heat the surface of the workpiece;
a sleeve support seat 14214 is installed below the quenching support 14212 on the quenching seat 14211, a positioning sleeve 14215 is installed on the sleeve support seat 14214, the positioning sleeve 14215 is located below the quenching sensor 14213, and positioning protection of a workpiece in the quenching process is facilitated by arranging a positioning sleeve 14215 below the quenching sensor 14213;
the cooling water circulation system 2 comprises a water collecting tank 21, a water return tank 22, a water return pump 23, a refrigerating unit 24 and a cooling water pipe 25, wherein the water collecting tank 21 is arranged below the lower center 124, the water return tank 22 is arranged behind the high-frequency induction quenching device 1, the water collecting tank 21 and the water return tank 22 are connected through a pipeline, the refrigerating unit 24 is connected with the water return tank 22 through the water return pump 23, and the refrigerating unit 24 is connected with a spray head arranged at a workpiece quenching position of the high-frequency induction quenching device 1 through the cooling water pipe 25; in the quenching process, the sprayed cooling water is collected by the water collecting tank 21 and then flows back to the water returning tank 22, the cooling water in the water returning tank 22 is conveyed to the heat exchanger 26 for heat exchange by the water returning pump 23 and then conveyed to the refrigerating unit 24 for refrigeration, and finally conveyed to the cooling spray head by the cooling water pipe 25, and the quenching position is cooled by the spray head, so that the recycling of the cooling water and heat energy can be realized, the water is saved, and the energy consumption is reduced;
The outer cover 4 is arranged on the outer side of the high-frequency induction quenching device 1, the electric cabinet 3 is arranged on the rear side of the outer cover 4, the man-machine interaction system 5 electrically connected with the high-frequency induction quenching device 1 is arranged on the outer cover 4, and setting and control of equipment working parameters can be achieved through the man-machine interaction system 5.
The vertical high-frequency induction quenching automatic heat treatment equipment can realize automatic clamping of the cam shaft, high-frequency quenching and cooling at different positions, and has high quenching efficiency, strong adaptability and high degree of automation. In actual operation, firstly, a camshaft to be quenched is placed on the lower center 124 of the lower clamping mechanism 12 through a manipulator, in order to ensure that the camshaft is stably erected on the lower center 124, one side of the lower center 124 is correspondingly provided with a workpiece gripper 13, the magnet gripper 133 is driven by the gripper cylinder 132 in the workpiece gripper 13 to position and grip the camshaft stably, the feeding manipulator can reset and grip the next camshaft, then the high-frequency quenching mechanism 142 is driven by the high-frequency quenching driving device 141 to move downwards so that the high-frequency quenching mechanism 142 is in contact with the surface of the position A of the camshaft, then the upper center assembly 112 is driven by the upper center positioning driving device 111 to move downwards to a proper position so that the upper center 112511 in the upper center assembly 112 props against the top of the camshaft, thereby clamping the camshaft between the upper center 112511 and the lower center 124, realizing automatic clamping of a workpiece, driving a magnet gripper 133 to reset by a gripper cylinder 132, separating the magnet gripper 133 from a cam shaft, driving the cam shaft to rotate at a high speed by a lower center driving motor 122, enabling the surface of the position A of the cam shaft to be rapidly heated in the high-speed rotation process of the cam shaft, spraying cooling liquid to the workpiece after heating to realize quenching treatment on the position A of the cam shaft, driving the high-frequency quenching mechanism 142 to move downwards to the position B of the cam shaft by a high-frequency quenching driving device 141 again when the position B of the cam shaft is required to be quenched, repeating the quenching process until the position F of the cam shaft is completed, driving the high-frequency quenching mechanism 142 to ascend by the high-frequency quenching driving device 141, positioning and stabilizing the cam shaft again by the workpiece gripper 13, driving the upper center positioning driving device 111 to ascend by the upper center assembly 112, the mechanical arm performs blanking on the quenched cam shaft; in the quenching process, the sprayed cooling water flows back to the water return groove 22 after being collected by the water collecting groove 21, the cooling water in the water return groove 22 is conveyed to the refrigerating unit 24 for refrigeration by the water return pump 23, and finally is conveyed to the cooling spray head by the cooling water pipe 25, the quenching position is cooled by the spray head, meanwhile, the recycling of the cooling water can be realized, and the water is saved.
The automatic heat treatment equipment for vertical high-frequency induction quenching has high automation degree, can realize automatic clamping of workpieces, can simultaneously clamp two workpieces each time, has high adaptability and high clamping efficiency, and can be adjusted in multiple directions at the position of the upper clamping part. In actual operation, the transverse adjusting cylinder 1123 arranged on the support plate 1122 can drive the upper center assembly 1125 arranged on the upper center mounting plate 1124 to move in the horizontal direction, so that the upper center assembly 1125 can be enhanced to meet the clamping requirements of workpieces of different types, and the device has good adaptability. After the transverse position of the upper center assembly 1125 is adjusted, a camshaft to be quenched is placed on the lower center 124 through a manipulator, then the gripper cylinder 132 is stretched forwards to enable the magnet gripper 133 to be in contact with a workpiece, the camshaft is positioned and gripped stably by the magnet gripper 133, then the upper center assembly 112 is driven to move downwards through the upper center positioning driving device 111 to enable the upper center 112511 to prop against the top of the workpiece, so that the workpiece is clamped between the upper center 112511 and the lower center 124, then the gripper cylinder 132 drives the magnet gripper 133 to reset, the magnet gripper 133 is separated from the workpiece, the lower center 124 is conveniently driven to rotate by the workpiece, then the lower center driving motor 122 drives the lower center 124 to rotate simultaneously, and further the two workpieces are simultaneously driven to rotate at high speed, so that automatic clamping of the workpiece is achieved, the two workpieces can be clamped simultaneously each time, and the clamping efficiency is high.
The vertical high-frequency induction quenching automatic heat treatment equipment can realize accurate adjustment of the quenching inductor in X, Y, Z directions so as to adapt to quenching requirements of different quenching positions of the same workpiece or workpieces of different types, and has strong adaptability. In actual operation, the Z-direction driving screw rod 1412 is driven to rotate forward or reversely by the Z-direction driving motor 1411, the Z-direction sliding seat 1413 can be precisely driven to move up and down along the Z-direction guide rail 1112 by the cooperation between the Z-direction driving screw rod 1412 and the screw rod pair, so that precise driving of the high-frequency quenching mechanism 142 in the longitudinal position is realized, then the X-direction sliding seat 1424 can be driven to move left and right on the X-direction guide rail 1423 by the cooperation between the X-direction driving motor 1421 and the X-direction driving screw rod 1422, thus the position of the Y-direction sliding seat 1426 on the Y-direction guide rail 1425 can be precisely regulated by the cooperation between the Y-direction driving motor 1427 and the Y-direction driving screw rod 1428, and precise regulation of the quenching sensor 14213 in the Y-direction is realized so as to adapt to the requirements of different quenching positions or different types of workpieces of the same workpiece, and the positioning sleeve 14215 is arranged below the quenching sensor 14213, so that the positioning of the workpiece is beneficial to the positioning and protecting process of the quenching workpiece.
The foregoing is a preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, so that the equivalents and modifications can be made without departing from the spirit of the disclosure.
Claims (10)
1. An automatic heat treatment device for vertical high-frequency induction quenching, characterized by comprising: a high-frequency induction hardening apparatus and a cooling water circulation system, wherein the high-frequency induction hardening apparatus comprises:
the upper clamping mechanism comprises an upper center positioning driving device and an upper center assembly, the upper center assembly is arranged on the upper center positioning driving device, and the upper center positioning driving device is used for driving the upper center assembly to vertically move up and down;
the lower clamping mechanism is arranged below the upper center assembly and comprises a lower center, and the lower center is driven by a lower center driving motor;
the workpiece gripper is arranged on one side of the lower center and comprises a gripper mounting bracket which is arranged on a lower center mounting seat and positioned on one side of the lower center, gripper cylinders which are horizontally distributed and are right opposite to the lower center are arranged on the gripper mounting bracket, and magnet grippers are arranged on telescopic shafts of the gripper cylinders;
The quenching assembly comprises a high-frequency quenching driving device and a high-frequency quenching mechanism, wherein the high-frequency quenching mechanism is arranged on the high-frequency quenching driving device, the high-frequency quenching driving device is used for driving the high-frequency quenching mechanism to vertically move up and down, and the high-frequency quenching mechanism is arranged between the upper clamping mechanism and the lower clamping mechanism.
The cooling water circulation system comprises a water collecting tank, a water return pump, a refrigerating unit, a cooling water pipe and a heat exchanger, wherein the water collecting tank is arranged below the lower center, the water return tank is arranged behind the high-frequency induction quenching device, the water collecting tank is connected with the water return tank through a pipeline, the heat exchanger is connected with the water return tank through the water return pump, the heat exchanger is connected with the refrigerating unit through the pipeline, and the refrigerating unit is connected with a spray head arranged at a workpiece quenching position of the high-frequency induction quenching device through the cooling water pipe.
2. The vertical induction hardening automatic heat treatment apparatus according to claim 1, wherein: the upper center assembly comprises a sliding seat, the back of the sliding seat is arranged on an upper center positioning driving device through a sliding block, a support plate is arranged on the front side surface of the sliding seat, a transverse adjusting cylinder is arranged on the support plate, the transverse adjusting cylinder is horizontally and forwards arranged, an upper center mounting plate is arranged on a telescopic shaft of the transverse adjusting cylinder, and two upper center assemblies arranged side by side at intervals are vertically and downwards fixed on the upper center mounting plate.
3. The vertical high-frequency induction hardening automatic heat treatment apparatus according to claim 1 or 2, characterized in that: the upper center positioning driving device comprises a frame, two Z-direction guide rails which are arranged at intervals in parallel are longitudinally arranged on the frame, an upper center lifting driving motor is arranged at the top of the frame, a reduction gearbox is arranged on an output shaft of the upper center lifting driving motor, an output shaft of the reduction gearbox is longitudinally arranged along the longitudinal direction, a screw rod which is parallel to the Z-direction guide rails and longitudinally arranged on the output shaft of the reduction gearbox is correspondingly arranged on the screw rod, a screw rod pair which is matched with the screw rod is correspondingly arranged on the screw rod, the back of a sliding seat in the upper center is arranged on the Z-direction guide rails of the upper center positioning driving device through a sliding block, and the back of the sliding seat is fixedly connected with the screw rod pair in the upper center positioning driving device.
4. A vertical induction hardening automatic heat treatment apparatus according to claim 1 or 3, characterized in that: the upper center assembly comprises a flange pipe, the flange pipe is longitudinally fixed on an upper center mounting plate, a longitudinal compression cylinder is fixed at the top of the flange pipe and vertically and downwards arranged, a telescopic shaft of the longitudinal compression cylinder longitudinally penetrates through the flange pipe and then downwards extends, an outer shaft sleeve is fixed at the bottom of the flange pipe, a shaft seat is arranged at the bottom of the outer shaft sleeve, a pressing shaft is longitudinally arranged in the shaft seat, the pressing shaft is positioned right below the telescopic shaft of the longitudinal compression cylinder, the top of the pressing shaft is sleeved with an upper shaft sleeve, the pressing shaft is sleeved with a spring, a rotating shaft mounting seat is arranged below the shaft seat, a bearing is arranged in the rotating shaft mounting seat in a longitudinally penetrating manner, and the upper center is vertically and downwards arranged and fixedly connected with the bottom of the rotating shaft.
5. The vertical induction hardening automatic heat treatment apparatus according to claim 1, wherein: the lower clamping mechanism comprises a lower center mounting seat, two turntables which are arranged side by side at intervals are arranged on the lower center mounting seat side by side, lower centers which respectively correspond to the upper center assembly in the upper center assembly are arranged on each turntable, a lower center rotating shaft which longitudinally penetrates through the turntables is arranged at the bottom of the lower center, a synchronous belt pulley is arranged at the bottom of the lower center rotating shaft, a lower center driving motor is connected with one of the lower center rotating shafts, and the two lower center rotating shafts are connected through a synchronous belt.
6. The vertical induction hardening automatic heat treatment apparatus according to claim 1, wherein: the high-frequency quenching driving device comprises a Z-direction driving motor vertically and downwards arranged on the frame, a Z-direction driving screw rod which is parallel to the Z-direction guide rail is arranged on an output shaft of the Z-direction driving motor, the Z-direction sliding seat is arranged on the Z-direction guide rail, and a screw rod pair is connected between the back surface of the Z-direction sliding seat and the Z-direction driving screw rod.
7. The vertical induction hardening automatic heat treatment apparatus according to claim 1 or 6, characterized in that: the high-frequency quenching mechanism comprises a bottom plate, the bottom plate is fixed on a Z-direction sliding seat, an X-direction driving component and a Y-direction driving component are installed on the bottom plate, a high-frequency transformer is fixed on the X-direction driving component and the Y-direction driving component, a conducting rod is installed at the output end of the high-frequency transformer, a quenching seat is installed at the front end of the conducting rod, a quenching support is installed at the front end of the quenching seat, a quenching inductor is installed on the quenching support, a sleeve supporting seat is installed below the quenching support on the quenching seat, a positioning sleeve is installed on the sleeve supporting seat, and the positioning sleeve is located below the quenching inductor.
8. The vertical high-frequency induction hardening automatic heat treatment apparatus according to claim 1 or 7, characterized in that: the X and Y drive assembly comprises X guide rails, the X guide rails are arranged on a bottom plate, the X drive seat is arranged on the X guide rails, the X drive motor is arranged on the bottom plate, an X drive screw is arranged on an output shaft of the X drive motor, the X drive screw is connected with the bottom surface of the X drive seat through screw pairs, the Y guide rails are arranged on the X drive seat, the Y drive seat is arranged on the Y guide rails, the Y drive motor is arranged on the X drive seat, the Y drive screw is arranged on an output shaft of the Y drive motor, the Y drive screw is connected with the bottom surface of the Y drive seat through screw pairs, and the high-frequency transformer is fixed on the Y drive seat.
9. The vertical induction hardening automatic heat treatment apparatus according to claim 8, wherein: the Z-direction sliding seat comprises a sliding plate seat, a plurality of sliding blocks are arranged on the back surface of the sliding plate seat, the sliding plate seat is arranged on the Z-direction guide rail through the sliding blocks, a screw rod pair mounting seat is further arranged on the back surface of the sliding plate seat, a screw rod pair is arranged in the screw rod pair mounting seat and connected with a Z-direction driving screw rod, two quenching mechanism supports extending forwards are arranged on the front side surface of the sliding plate seat, and a bottom plate is fixed on the quenching mechanism supports.
10. The vertical induction hardening automatic heat treatment apparatus according to claim 1, wherein: the outer side of the high-frequency induction quenching device is provided with an outer cover, the outer cover is provided with a man-machine interaction system electrically connected with the high-frequency induction quenching device, and the rear side of the outer cover is provided with an electric cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310122812.2A CN116287590A (en) | 2023-02-16 | 2023-02-16 | Automatic heat treatment equipment for vertical high-frequency induction quenching |
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| CN202310122812.2A CN116287590A (en) | 2023-02-16 | 2023-02-16 | Automatic heat treatment equipment for vertical high-frequency induction quenching |
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