CN112853056A - Quenching heating device and workpiece fixing unit thereof - Google Patents

Quenching heating device and workpiece fixing unit thereof Download PDF

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Publication number
CN112853056A
CN112853056A CN201911101540.8A CN201911101540A CN112853056A CN 112853056 A CN112853056 A CN 112853056A CN 201911101540 A CN201911101540 A CN 201911101540A CN 112853056 A CN112853056 A CN 112853056A
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CN
China
Prior art keywords
quenching
workpiece
electromagnetic chuck
fixing unit
quenched
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Pending
Application number
CN201911101540.8A
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Chinese (zh)
Inventor
贾克元
唐学芳
李召森
赵帅兵
葛亚龙
刘佩
宋利卡
郑召敏
张涛
李腾飞
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State Grid Corp of China SGCC
Xuji Group Co Ltd
XJ Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xuji Group Co Ltd
XJ Electric Co Ltd
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Application filed by State Grid Corp of China SGCC, Xuji Group Co Ltd, XJ Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201911101540.8A priority Critical patent/CN112853056A/en
Publication of CN112853056A publication Critical patent/CN112853056A/en
Pending legal-status Critical Current

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    • 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
    • C21D1/63Quenching devices for bath 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
    • C21D11/00Process control or regulation for heat treatments
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention relates to a quenching heating device and a workpiece fixing unit thereof, wherein the workpiece fixing unit comprises: the electromagnetic chuck is arranged above the corresponding induction heating coil to adsorb and fix a workpiece to be quenched; the guide structure extends along the vertical direction and is used for guiding a workpiece to be quenched, which is arranged in the induction heating coil in a penetrating mode, to move upwards to be adsorbed and fixed by the electromagnetic chuck when the electromagnetic chuck is electrified to work, and guiding the workpiece to be quenched to move downwards to penetrate through the induction heating coil to fall into quenching liquid when the electromagnetic chuck is powered off; and the control module is used for controlling the electromagnetic chuck to be powered off after the induction heating coil is electrified to heat the workpiece to be quenched and the set heating time is passed. The control module is utilized to control the electromagnetic chuck to power off after the heating time is set, so that the heating time can be accurately controlled, the quenching quality can be effectively guaranteed, and the quenching heat treatment effect is improved.

Description

Quenching heating device and workpiece fixing unit thereof
Technical Field
The invention belongs to the technical field of quenching heat treatment, and particularly relates to a quenching heating device and a workpiece fixing unit thereof.
Background
When the workpiece is subjected to heat treatment, quenching treatment is often required to be carried out on the part, and if the part is small in size, the heat treatment is often carried out by adopting a manual quenching process. When quenching heat treatment is carried out, quenching equipment is started, an equipment host works, a high-frequency coil is electrified, a worker manually clamps a part and puts the part into the high-frequency coil, the coil heats the part in an induction mode, the worker judges whether the quenching heating temperature is reached according to experience, and after the heating temperature is reached, the worker throws the part into quenching liquid for cooling to realize the quenching heat treatment.
However, in the manual quenching process, the manual operation is completely relied on, and the capability of workers is greatly relied on, so that the labor intensity of the workers is higher, the heating temperature is judged completely by the experience of the workers, the requirement on the workers is higher, and the consistency of the quenching quality cannot be ensured when the workers with insufficient levels operate.
Disclosure of Invention
The invention aims to provide a workpiece fixing unit for a quenching heating device, which aims to solve the technical problem that in the prior art, workpieces to be quenched are clamped and fixed manually, so that the quenching heating time is judged by workers; the invention also provides a quenching heating device using the workpiece fixing unit, which solves the technical problem that in the prior art, the workpiece to be quenched is clamped and fixed manually, so that the quenching heating time is judged by workers.
In order to achieve the purpose, the technical scheme of the workpiece fixing unit for the quenching heating device is as follows: a workpiece fixing unit for a quenching heating device, comprising:
the electromagnetic chuck is arranged above the corresponding induction heating coil to adsorb and fix a workpiece to be quenched;
the guide structure extends along the vertical direction and is used for guiding a workpiece to be quenched, which is arranged in the induction heating coil in a penetrating mode, to move upwards to be adsorbed and fixed by the electromagnetic chuck when the electromagnetic chuck is electrified to work, and guiding the workpiece to be quenched to move downwards to penetrate through the induction heating coil to fall into quenching liquid when the electromagnetic chuck is powered off;
and the control module is used for controlling the electromagnetic chuck to be powered off after the induction heating coil is electrified to heat the workpiece to be quenched and the set heating time is passed.
The beneficial effects are that: in the workpiece fixing unit for the quenching heating device, the guide structure is used for guiding the workpiece to be quenched to move up and down, the electromagnetic chuck arranged above the induction heating coil is used for fixedly adsorbing the workpiece to be quenched, the electromagnetic chuck is used for firmly fixing the workpiece to be quenched when quenching heating is ensured, the electromagnetic chuck is controlled to be powered off by the control module after the set heating time is passed, and the workpiece to be quenched falls down to finish quenching heating. The control module is utilized to control the electromagnetic chuck to power off after the heating time is set, so that the heating time can be accurately controlled, the quenching quality can be effectively guaranteed, and the quenching heat treatment effect is improved.
As a further optimized scheme, the guide structure is a guide sleeve.
The beneficial effects are that: the guide structure adopts the guide sleeve, has simple structure and is convenient for guiding the workpiece to be quenched.
As a further optimized scheme, the electromagnetic chuck is fixedly installed in the guide sleeve.
The beneficial effects are that: the electromagnetic chuck is fixed in the guide sleeve, so that the installation is simple and reliable, the assembly is convenient, and meanwhile, the guide sleeve can protect the electromagnetic chuck.
As a further optimized scheme, the workpiece fixing unit further comprises a water cooling structure for cooling the guide sleeve.
The beneficial effects are that: the water cooling structure is used for cooling the guide sleeve, so that the influence of the heating temperature on the electromagnetic chuck is weakened.
As a further optimized scheme, the water cooling structure adopts one of the following structures:
(1) the water cooling structure comprises a water cooling tank, and the guide sleeve is positioned in the water cooling tank so as to be cooled by cooling liquid in the water cooling tank;
(2) the water-cooling structure comprises an annular groove, the annular groove is located on the guide sleeve, the annular groove surrounds the electromagnetic chuck, and cooling liquid is introduced into the annular groove to cool the electromagnetic chuck
The beneficial effects are that: the water cooling structure adopts a water cooling groove or a ring groove, realizes immersion water cooling, has a simple structure and is convenient to realize water cooling operation.
As a further optimized scheme, the water cooling structure comprises the water cooling tank, the workpiece fixing unit comprises a supporting plate which is used for being supported and installed on a corresponding foundation, and the water cooling tank is fixedly installed on the supporting plate.
The beneficial effects are that: the supporting plate is utilized to support the water cooling tank, so that the guide sleeve is convenient to install on a corresponding foundation, and the installation structure is simple.
As a further optimized solution, the pilot structure is made of a non-ferromagnetic metal material.
The beneficial effects are that: the guide structure is made of a non-ferromagnetic metal material, so that on one hand, good heat dissipation performance can be obtained, and on the other hand, the capability of being not easily magnetized can be utilized, so that when the electromagnetic chuck generates magnetic force, the guide structure does not conduct magnetism, and the influence is reduced.
As a further optimized scheme, the control module also controls the power-on of the electromagnetic chuck after the power-off time is set.
The beneficial effects are that: and controlling the electromagnetic chuck to be electrified by using the control module so as to adsorb the subsequent workpiece to be quenched.
As a further optimized scheme, the control module comprises a single chip microcomputer and a relay module, when the single chip microcomputer receives a signal of quenching start, the relay module drives the induction heating coil to be electrified, then the electromagnetic chuck is driven to be powered off after the heating time is set, and the electromagnetic chuck is driven to be electrified after the power-off time is set.
The beneficial effects are that: the control module adopts a single chip microcomputer and a relay module, is simple in structure and is convenient for setting programs to accurately control corresponding actions.
The technical scheme of the quenching heating device is as follows: a quenching heating device comprises an induction heating coil, a heating coil and a quenching heating coil, wherein the induction heating coil is used for penetrating and installing a workpiece to be quenched; further comprises a workpiece fixing unit including
The electromagnetic chuck is arranged above the corresponding induction heating coil to adsorb and fix a workpiece to be quenched;
the guide structure is used for guiding the workpiece to be quenched to move upwards to penetrate through the induction heating coil to be adsorbed and fixed by the electromagnetic chuck when the electromagnetic chuck is electrified to work, and guiding the workpiece to be quenched to move downwards to penetrate through the induction heating coil to fall into quenching liquid when quenching heating is finished and the electromagnetic chuck is powered off;
and the control module is used for controlling the electromagnetic chuck to be powered off after the induction heating coil is electrified to heat the workpiece to be quenched and the set heating time is passed.
The beneficial effects are that: in the quenching heating device provided by the invention, the workpiece fixing unit is arranged corresponding to the electromagnetic induction coil, when quenching heating is carried out, the guide structure is utilized to guide the workpiece to be quenched to move up and down, the electromagnetic chuck arranged above the induction heating coil is utilized to adsorb and fix the workpiece to be quenched, the electromagnetic chuck is ensured to firmly fix the workpiece to be quenched when quenching heating is carried out, after the set heating time is passed, the electromagnetic chuck is controlled by the control module to be powered off, the workpiece to be quenched falls down, and quenching heating is finished. The control module is utilized to control the electromagnetic chuck to power off after the heating time is set, so that the heating time can be accurately controlled, the quenching quality can be effectively guaranteed, and the quenching heat treatment effect is improved.
As a further optimized scheme, the guide structure is a guide sleeve.
The beneficial effects are that: the guide structure adopts the guide sleeve, has simple structure and is convenient for guiding the workpiece to be quenched.
As a further optimized scheme, the electromagnetic chuck is fixedly installed in the guide sleeve.
The beneficial effects are that: the electromagnetic chuck is fixed in the guide sleeve, so that the installation is simple and reliable, the assembly is convenient, and meanwhile, the guide sleeve can protect the electromagnetic chuck.
As a further optimized scheme, the workpiece fixing unit further comprises a water cooling structure for cooling the guide sleeve.
The beneficial effects are that: the water cooling structure is used for cooling the guide sleeve, so that the influence of the heating temperature on the electromagnetic chuck is weakened.
As a further optimized scheme, the water cooling structure comprises a water cooling tank, and the guide sleeve is located in the water cooling tank so as to be cooled by cooling liquid in the water cooling tank.
The beneficial effects are that: the water cooling structure adopts a water cooling tank, the guide sleeve is positioned in the water cooling tank, immersion water cooling is realized, the structure is simple, and water cooling operation is convenient to realize.
As a further optimized scheme, the workpiece fixing unit comprises a supporting plate for supporting and mounting on a corresponding foundation, and the water cooling tank is fixedly mounted on the supporting plate.
The beneficial effects are that: the supporting plate is utilized to support the water cooling tank, so that the guide sleeve is convenient to install on a corresponding foundation, and the installation structure is simple.
As a further optimized solution, the pilot structure is made of a non-ferromagnetic metal material.
The beneficial effects are that: the guide structure is made of a non-ferromagnetic metal material, so that on one hand, good heat dissipation performance can be obtained, and on the other hand, the capability of being not easily magnetized can be utilized, so that when the electromagnetic chuck generates magnetic force, the guide structure does not conduct magnetism, and the influence is reduced.
As a further optimized scheme, the control module also controls the power-on of the electromagnetic chuck after the power-off time is set.
The beneficial effects are that: and controlling the electromagnetic chuck to be electrified by using the control module so as to adsorb the subsequent workpiece to be quenched.
As a further optimized scheme, the control module comprises a single chip microcomputer and a relay module, when the single chip microcomputer receives a signal of quenching start, the relay module drives the induction heating coil to be electrified, then the electromagnetic chuck is driven to be powered off after the heating time is set, and the electromagnetic chuck is driven to be electrified after the power-off time is set.
The beneficial effects are that: the control module adopts a single chip microcomputer and a relay module, is simple in structure and is convenient for setting programs to accurately control corresponding actions.
Drawings
FIG. 1 is a schematic structural view of a quenching heating apparatus according to embodiment 1 of the invention;
FIG. 2 is an exploded view of the workpiece holding unit of FIG. 1;
FIG. 3 is a control schematic diagram of the quenching heating apparatus shown in FIG. 1;
FIG. 4 is a schematic structural view of a guide sleeve in embodiment 2 of the quenching heating apparatus of the invention;
fig. 5 is a cross-sectional view of the guide sleeve of fig. 4.
Description of reference numerals:
the device comprises 1-an electromagnetic induction coil, 2-a support plate, 3-a water cooling tank, 31-a tank body, 32-a baffle, 33-a through hole, 34-a mounting hole, 4-a sucker cover plate, 41-a line through hole, 5-a guide sleeve, 6-an electromagnetic sucker, 7-a device host, 8-a button switch, 9-a single chip microcomputer, 10-a relay module, 11-an annular groove, 12-a line through groove, 13-a small-diameter section, 14-a large-diameter section and 15-a fastening threaded hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Specific embodiment 1 of the quenching heating apparatus of the present invention:
as shown in fig. 1 to 3, the quenching heating apparatus in this embodiment mainly includes two parts, i.e., an induction heating coil 1 and a workpiece fixing unit, the workpiece fixing unit is an electromagnetic adsorption fixing structure, when in use, a workpiece to be quenched is inserted into the induction heating coil 1 from bottom to top and is adsorbed and fixed by the electromagnetic adsorption fixing structure, the workpiece to be quenched is heated by the induction heating coil 1, after a set heating time, the workpiece to be quenched is not adsorbed by the electromagnetic adsorption structure, falls into a corresponding quenching liquid tank, and is cooled by the quenching liquid, thereby achieving quenching heat treatment.
In this embodiment, the induction heating coil 1 is a high-frequency coil on the main unit of the quenching apparatus, and a copper pipe is usually used to meet the frequency requirement of the load current on the induction heating coil. After the equipment host 7 is started, the induction heating coil is electrified to heat the workpiece to be quenched.
The workpiece fixing unit mainly comprises a supporting plate 2, a water cooling tank 3, a guide sleeve 5 and an electromagnetic chuck 6, wherein the electromagnetic chuck 6 is fixedly installed in the guide sleeve 5, the guide sleeve 5 is positioned above the induction heating coil 1, so that the electromagnetic chuck 6 is also positioned above the induction heating coil 1, the guide sleeve 5 extends in the vertical direction to guide the workpiece to be quenched to move up and down, and the electromagnetic chuck 6 is used for adsorbing and fixing the workpiece to be quenched.
In fact, the inner cavity of the guide sleeve 5 is of a stepped hole structure extending along the up-down direction, the upper large-diameter section is used for placing the electromagnetic chuck, the lower small-diameter section is used for guiding a workpiece to be quenched to enter and exit the guide sleeve, during assembly, the electromagnetic chuck 6 is placed into the large-diameter section of the guide sleeve 5, the electromagnetic chuck 6 is fixed in the guide sleeve 5 through the chuck cover plate 4 in a press-fitting manner, and the chuck cover plate 4 is tightly assembled on the guide sleeve 5 through the fastening bolt. In order to ensure the normal power-on of the electromagnetic chuck, the center of the chuck cover plate 4 is provided with a wire passing hole 41, so that a power-on wire of the electromagnetic chuck 6 can be conveniently led out.
The guide sleeve 5 is used as a guide structure for guiding a workpiece to be quenched to move up and down, guiding the workpiece to be quenched to move upwards to penetrate through the induction heating coil 1 when the electromagnetic chuck 6 is electrified to work, and further adsorbing and fixing the workpiece to be quenched by the electromagnetic chuck, and guiding the workpiece to be quenched to move downwards to penetrate through the induction heating coil when quenching heating is completed and the electromagnetic chuck is powered off, so that the workpiece to be quenched falls into quenching liquid, and quenching operation is realized.
In this embodiment, the material of the guide sleeve is brass, and the brass has good heat dissipation performance and non-magnetic property, so that the whole structure is completely non-magnetic when the electromagnetic chuck generates magnetic force and the heat dissipation performance is ensured in time.
In fact, to improve the heat dissipation effect, the guide sleeve 5 is fixedly mounted in the water cooling tank 3, the water cooling tank 3 is fixedly mounted on a support plate, and the support plate is fixed on a corresponding basis, such as on the main machine of the quenching apparatus. The water cooling tank 3 includes a tank body 31 and a baffle 32, and encloses a closed cooling liquid accommodating cavity. The groove 31 is mounted on the corresponding support plate by a screw fastening structure. The water cooling tank 3 has the functions of fixing and supporting and cooling and radiating, cooling water is added into the water cooling tank 3 in the quenching process, and in the quenching and heating process, the high temperature generated by a workpiece to be quenched transfers heat into the cooling water through the quick heat radiation characteristic of the guide sleeve, so that the high temperature generated by quenching is prevented from damaging components such as an electromagnetic chuck, and the safety of the whole operation process is ensured.
In fact, a through hole 33 and a fixing hole 34 are arranged at the bottom of the water tank, wherein the through hole 33 corresponds to the small diameter section of the guide sleeve during specific assembly so as to allow the workpiece to be quenched to pass through. The fixing holes 34 are used for corresponding to corresponding threaded holes on the guide sleeve, so that fastening screws can be conveniently installed, and the guide sleeve is fixedly installed in the water tank.
It should be noted that, because the guide sleeve is fixedly installed in the water tank, sealing and water proofing needs to be paid attention to, an annular groove can be arranged on the end face of the guide sleeve facing the bottom of the water tank, a sealing ring is installed in the annular groove, and when the guide sleeve is fixedly pressed and installed at the bottom of the water tank, the sealing ring is pressed by the bottom of the water tank to realize sealing, so that water proofing is realized.
In this embodiment, for accurate control quenching time, the control module is configured correspondingly, after receiving the signal that quenching begins, the induction heating coil 1 is controlled to be powered on and started to work, and after setting for heating time, the electromagnetic chuck 6 is controlled to be powered off, and during the power off, the workpiece to be quenched drops into the quenching liquid from the guide sleeve 5, so that the heating time of the workpiece to be quenched can be accurately controlled, the quenching heating temperature is guaranteed, and the quenching quality is improved.
Specifically, as shown in fig. 3, the control module includes a single chip microcomputer 9 and a relay module 10, a corresponding port of the single chip microcomputer 9 is used for receiving a closing signal of the button switch 8 to indicate that the quenching is started, a corresponding port of the single chip microcomputer 9 sends a corresponding action signal to a corresponding relay, and the induction heating coil 1 is powered on to start heating the quenching workpiece. After the set heating time, the single chip microcomputer 9 sends an action signal to the corresponding relay to control the electromagnetic chuck 6 to be powered off, the magnetic attraction force is lost, the workpiece subjected to quenching and heating falls into the placed quenching liquid tank, and the quenching liquid is cooled, so that the quenching treatment is realized.
After the set power-off time, the singlechip 9 sends an action signal to the corresponding relay, so that the electromagnetic chuck 6 is electrified again to generate magnetic attraction force to prepare for the subsequent adsorption installation of the workpiece to be quenched.
It should be noted that the quenching heating device in this embodiment may be directly modified on the basis of the equipment main unit 7 of the existing quenching equipment, and during modification, the button switch 8 is added, and the single chip microcomputer 7 controls the equipment main unit 7 to start through a corresponding relay.
Moreover, the supporting plate 2 in the workpiece fixing unit can be arranged at a corresponding position of the equipment main machine 7, so that the electromagnetic chuck 6 and the guide sleeve 5 are positioned above the induction heating coil 1, and when the electromagnetic chuck 6 is electrified, the workpiece to be quenched which is arranged in the induction heating coil in a penetrating way can be upwards adsorbed, and then the workpiece to be quenched is fixed.
When the quenching device is used specifically, a worker can insert a workpiece to be quenched into the induction heating coil 1 from bottom to top, the electromagnetic chuck 6 in the power-on state upwards adsorbs and fixes the workpiece to be quenched, the button switch 8 is pressed, the single chip microcomputer 9 is started through the corresponding relay control equipment host 7, the induction heating coil 1 is driven to be powered on to start heating the workpiece to be quenched, after the set heating time, the single chip microcomputer 9 controls the corresponding relay to act, the electromagnetic chuck 6 is powered off, the workpiece to be quenched falls into the quenching liquid tank below, and the quenching liquid is used for cooling, so that quenching heat treatment is realized.
In fact, after the control module controls the electromagnetic chuck to be powered off, the electromagnetic chuck is powered on again after a set power-off time so as to adsorb subsequent workpieces to be quenched.
For the equipment main machine of the quenching equipment, the equipment main machine can be automatically closed after the induction heating power-on set time, at the moment, the induction heating coil is powered off, and it needs to be explained that the power-on time of the induction coil needs to be longer than the set heating time during each quenching processing so as to ensure normal heating. The set heating time can be adjusted through the single chip microcomputer, and the power-on time of the induction coil can be adjusted on the equipment host machine to meet the requirements.
In the quenching heating device that this embodiment provided, utilize control module to begin to heat at induction heating coil circular telegram and treat the quenching work piece and through setting for the outage of accurate control electromagnetic chuck behind the heating time, unclamp and treat the quenching work piece, treat that the quenching work piece whereabouts falls into the quenching liquid, can comparatively accurate control quenching heating time like this, do not need again workman oneself to judge heating time and heating temperature, can effectively guarantee the uniformity of quenching quality.
Specific embodiment 2 of the quenching heating apparatus of the present invention:
it differs from example 1 mainly in that: in the quenching heating device in embodiment 1, the guide sleeve is cooled by an external water tank, and in this embodiment, as shown in fig. 4 and 5, the guide sleeve 5 itself has a ring groove 11 for storing a cooling liquid to realize cooling.
Specifically, the guide sleeve in this embodiment is the same as the guide sleeve in embodiment 1, and has a stepped hole structure, the large diameter section 14 of the stepped hole structure is used for placing the electromagnetic chuck, the small diameter section 11 is used for guiding and assembling the workpiece to be quenched, and during assembly, the electromagnetic chuck needs to be fixed by installing a corresponding chuck cover plate in a press-fitting manner.
It should be noted that, in the present embodiment, the annular groove 11 of the pilot sleeve 5 is disposed around the large-diameter section 14 of the stepped hole, and is used for cooling the electromagnetic chuck, improving the working environment thereof, and prolonging the service life thereof.
In fact, in order to improve the heat dissipation effect, a water inlet and a water outlet can be further arranged on the outer wall of the guide sleeve, the water inlet and the water outlet are correspondingly connected to a circulating cooling water path, so that water in the ring groove is circulated, and the electromagnetic chuck is cooled and dissipated.
During assembly, the guide sleeve support is placed on the corresponding support plate, and the small-diameter section of the guide sleeve corresponds to the through hole in the support plate so as to allow a workpiece to be quenched to penetrate. The supporting plate is provided with a through hole corresponding to the fastening threaded hole 15 on the guide sleeve 5, and the through hole is penetrated with a bolt, so that the guide sleeve is supported and fixed on the supporting plate, and the guide sleeve is fixedly installed. Of course, care should be taken with respect to the position of the support plate so that the guide sleeve is positioned over the induction heating coil.
In addition, in order to ensure normal conduction, a wire passing groove 12 is arranged on the end surface of the corresponding end of the guide sleeve so as to lead out a lead of the electromagnetic chuck.
Specific example 3 of the quenching heating apparatus of the present invention:
it differs from example 1 mainly in that: the quenching heating device in the embodiment 1 is obtained by modifying the existing quenching equipment, and in the embodiment, the quenching heating device is directly integrated on the quenching equipment, namely, the workpiece fixing unit, the button switch and the control module are directly integrated on the quenching equipment.
Specific embodiment 4 of the quenching heating apparatus of the present invention:
it differs from example 1 mainly in that: the quenching heating device in embodiment 1 uses a water cooling tank as a water cooling structure to cool the guide sleeve, and the quenching heating device in embodiment 4 uses a water cooling pipe structure arranged around the guide sleeve to cool the guide sleeve, and the water cooling pipe can be externally connected with a corresponding circulating water loop to improve the heat dissipation effect.
Specific example 5 of the quenching heating apparatus of the present invention:
it differs from example 1 mainly in that: the guide sleeve in the embodiment 1 is made of brass, and when the requirement of quenching temperature is met, other non-magnetic metal materials such as aluminum-magnesium alloy can be used for the guide sleeve in the embodiment.
Specific example 6 of the quenching heating apparatus of the present invention:
it differs from example 1 mainly in that: the guide sleeve in embodiment 1 is used as a guide structure to guide the workpiece to be quenched to move up and down, and in this embodiment, the guide structure can also be a guide groove which extends in the up-down direction and is provided with an opening at one side so as to facilitate observation of the workpiece to be quenched.
Of course, in other embodiments, the pilot structure may also adopt two pilot plates arranged in a loudness manner, as long as the workpiece to be quenched can be guided to move up and down.
Specific example 7 of the quenching heating apparatus of the invention:
it differs from example 1 mainly in that: the control module in embodiment 1 includes a single chip microcomputer and a relay module, and in this embodiment, the control module may also adopt other control modules such as a microcomputer, as long as the control module can better control the device host to start and the electromagnetic chuck to be powered on or powered off.
The quenching heating device provided by the invention is suitable for quenching treatment of parts with small size, such as small-sized shaft parts or sleeve parts, only needs to be normally inserted into the induction heating coil, so that the size of the electromagnetic chuck does not need to be designed to be large, and the cost is relatively low.
Example 1 of the workpiece fixing unit for a quenching and heating apparatus of the present invention:
the workpiece fixing units in this embodiment are the same as those in embodiment 1 of the quenching heating apparatus, and are all electromagnetic adsorption fixing structures, and the specific structures thereof are not described herein again.
When the electromagnetic chuck is used, the supporting plate of the workpiece fixing unit can be arranged on the equipment host, and can also be supported and arranged on other bases according to actual requirements, and the electromagnetic chuck is only required to be positioned above the corresponding induction heating coil.
Of course, in other embodiments, the workpiece fixing unit may adopt the workpiece fixing units in embodiments 2 to 7 of the quenching and heating apparatus, and details thereof are not repeated herein.
The above description is only a preferred embodiment of the present patent and is not intended to limit the present patent, the scope of the patent protection of the present patent is defined by the claims, and all structural changes made by using the contents of the specification and the drawings of the present patent should be covered by the protection scope of the present patent.

Claims (10)

1. A workpiece fixing unit for a quenching heating device is characterized by comprising:
the electromagnetic chuck is arranged above the corresponding induction heating coil to adsorb and fix a workpiece to be quenched;
the guide structure extends along the vertical direction and is used for guiding a workpiece to be quenched, which is arranged in the induction heating coil in a penetrating mode, to move upwards to be adsorbed and fixed by the electromagnetic chuck when the electromagnetic chuck is electrified to work, and guiding the workpiece to be quenched to move downwards to penetrate through the induction heating coil to fall into quenching liquid when the electromagnetic chuck is powered off;
and the control module is used for controlling the electromagnetic chuck to be powered off after the induction heating coil is electrified to heat the workpiece to be quenched and the set heating time is passed.
2. The workpiece fixing unit for a quenching heating device according to claim 1, wherein the pilot structure is a pilot sleeve.
3. The workpiece fixing unit for a quenching heating device according to claim 2, wherein the electromagnetic chuck is fixedly installed in the pilot sleeve.
4. The workpiece fixing unit for the quenching heating device as claimed in claim 3, wherein the workpiece fixing unit further comprises a water cooling structure for cooling the pilot sleeve.
5. The workpiece fixing unit for the quenching heating device according to claim 4, wherein the water cooling structure adopts one of the following structures:
the water cooling structure comprises a water cooling tank, and the guide sleeve is positioned in the water cooling tank so as to be cooled by cooling liquid in the water cooling tank;
the water-cooling structure comprises an annular groove, the annular groove is located on the guide sleeve, the annular groove surrounds the electromagnetic chuck, and cooling liquid is introduced into the annular groove to cool the electromagnetic chuck.
6. The workpiece fixing unit for a quenching heating device according to claim 5, wherein the water cooling structure comprises the water cooling tank, the workpiece fixing unit comprises a support plate for supporting and mounting on a corresponding foundation, and the water cooling tank is fixedly mounted on the support plate.
7. The workpiece fixing unit for a quenching heating device according to any one of claims 1 to 6, wherein the pilot structure is made of a non-ferromagnetic metal material.
8. The workpiece fixing unit for the quenching heating device as claimed in claims 1 to 6, wherein the control module further controls the electromagnetic chuck to be powered on after a set power-off time elapses.
9. The workpiece fixing unit for the quenching heating device as claimed in claim 8, wherein the control module comprises a single chip microcomputer and a relay module, the single chip microcomputer drives the induction heating coil to be powered on through the relay module when receiving a signal of quenching start, drives the electromagnetic chuck to be powered off after a set heating time, and then drives the electromagnetic chuck to be powered on after the set power-off time.
10. A quenching heating device comprising:
the induction heating coil is used for penetrating and installing a workpiece to be quenched;
the quenching heating device is characterized by further comprising a workpiece fixing unit, wherein the workpiece fixing unit adopts the workpiece fixing unit as claimed in any one of claims 1 to 9.
CN201911101540.8A 2019-11-12 2019-11-12 Quenching heating device and workpiece fixing unit thereof Pending CN112853056A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB887525A (en) * 1958-12-16 1962-01-17 Molins Machine Co Ltd Apparatus for use in induction heating
CN1368559A (en) * 2001-02-03 2002-09-11 杨松鹤 Quenching apparatus of rod parts
JP2008157209A (en) * 2006-12-26 2008-07-10 Fuji Giken:Kk Cylinder block
CN202763667U (en) * 2012-07-20 2013-03-06 无锡和胜自动化设备有限公司 Water-cooling electromagnetic chuck
CN104668790A (en) * 2015-02-25 2015-06-03 昆山宝锦激光拼焊有限公司 Electromagnetic fixture for laser butt-welding machine
CN206143258U (en) * 2016-11-03 2017-05-03 苏州市胜能弹簧五金制品有限公司 Automatic quenching processed equipment of car parking system brake spring
CN206706152U (en) * 2017-04-12 2017-12-05 湖北三环离合器有限公司 A kind of diaphragm spring high frequency automatic air quenching press
CN208829728U (en) * 2018-06-28 2019-05-07 浙江俊荣五金工业有限公司 A kind of screw heat treatment process magnetic nail suction device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB887525A (en) * 1958-12-16 1962-01-17 Molins Machine Co Ltd Apparatus for use in induction heating
CN1368559A (en) * 2001-02-03 2002-09-11 杨松鹤 Quenching apparatus of rod parts
JP2008157209A (en) * 2006-12-26 2008-07-10 Fuji Giken:Kk Cylinder block
CN202763667U (en) * 2012-07-20 2013-03-06 无锡和胜自动化设备有限公司 Water-cooling electromagnetic chuck
CN104668790A (en) * 2015-02-25 2015-06-03 昆山宝锦激光拼焊有限公司 Electromagnetic fixture for laser butt-welding machine
CN206143258U (en) * 2016-11-03 2017-05-03 苏州市胜能弹簧五金制品有限公司 Automatic quenching processed equipment of car parking system brake spring
CN206706152U (en) * 2017-04-12 2017-12-05 湖北三环离合器有限公司 A kind of diaphragm spring high frequency automatic air quenching press
CN208829728U (en) * 2018-06-28 2019-05-07 浙江俊荣五金工业有限公司 A kind of screw heat treatment process magnetic nail suction device

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