CN209085300U - A kind of Medium Frequency Induction Heating Furnace for driving axle housing blank - Google Patents

Abstract

The utility model discloses a kind of Medium Frequency Induction Heating Furnace for driving axle housing blank, including water-cooling system and coil furnace, coil furnace is equipped with temperature measurer, it further include power supply I and power supply II, the coil II for being set in the aperture section corresponding position of driving axle housing is provided in the coil furnace, the coil I for being respectively sleeved at the aperture section two sides of driving axle housing is additionally provided in coil furnace, there are distances between coil I, coil II, the coil I of two sides is both connected on power supply I, and coil II is connected on power supply II.Compared with the existing technology, the utility model is by being respectively set power supply in driving axle housing aperture section and aperture section two sides, it is heated it independently, it ensure that the consistency of the heating temperature of driving axle housing aperture section and aperture section two sides, and equilibrium temperature can be heated to, heating time foreshortens to 2min or so, and the wedge angle position i.e. both ends for avoiding its aperture section point out the aggregation of the meeting magnetic line of force and cause each section of heating temperature of driving axle housing inconsistent.

Description

A kind of Medium Frequency Induction Heating Furnace for driving axle housing blank

Technical field

The utility model belongs to driving axle housing processing technique field, specifically designs a kind of driving axle housing for middle section aperture The Medium Frequency Induction Heating Furnace of blank.

Background technique

There is aperture since driving axle housing is heated section, is unsuitable for the heating of intermediate frequency magnetic strength, can be cut off normally in osseotomy site The magnetic line of force, to promote the i.e. two-end-point meeting magnetic line of force aggregation in aperture wedge angle position, moment reaches very high temperature until melting, and Aperture perimeters temperature is very low, causes existing intermediate frequency furnace that can not heat success to the driving axle housing steel part heating of such shape, drives It is inconsistent that dynamic axle housing is heated section temperature, and heating at least needs 12min or so and can not be heated to equilibrium temperature, influences workpiece Performance.

Summary of the invention

To solve the above problems, the utility model provides a kind of Medium Frequency Induction Heating Furnace for driving axle housing blank.

The purpose of this utility model is achieved in that

A kind of Medium Frequency Induction Heating Furnace for driving axle housing blank, including water-cooling system 4 and coil furnace 5, on coil furnace 5 Equipped with temperature measurer 6, further includes power supply I 2 and power supply II 3, the aperture section for being set in driving axle housing 1 is provided in the coil furnace 5 The coil II 8 of 11 corresponding positions is additionally provided with the coil I for being respectively sleeved at 11 two sides of aperture section of driving axle housing 1 in coil furnace 5 7, there are distance between coil I 7, coil II 8, the coil I 7 of two sides is both connected on power supply I 2, and coil II 8 is connected to power supply II On 3, power supply I 2 and power supply II 3 connect PLC.

Water inlet pipe 41 and outlet pipe 42 are provided in the water-cooling system 4, water inlet pipe 41 and outlet pipe 42 are both connected to electricity Source I 2, power supply II 3, coil I 7, on coil II 8.

The temperature measurer 6 is infrared thermometer.

The water-cooling system 4 is deionized water cooling system.

The utility model has the advantages that compared with the existing technology, the utility model passes through in driving axle housing aperture section and aperture section two sides point Not She Zhi power supply, be heated it independently, ensure that the one of the heating temperature of driving axle housing aperture section and aperture section two sides Cause property, and it can be heated to equilibrium temperature, heating time foreshortens to 2min or so, avoids the wedge angle position i.e. both ends of its aperture section It points out the aggregation of the meeting magnetic line of force and causes each section of heating temperature of driving axle housing inconsistent.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the enlarged drawing of Fig. 1 coil furnace part.

Fig. 3 is the perspective view of driving axle housing.

Fig. 4 is the main view of driving axle housing.

Wherein, 1 is driving axle housing, and 11 be aperture section, and 12 be wedge angle position, and 2 be power supply I, and 3 be power supply II, and 4 be water cooling system System, 41 be water inlet pipe, and 42 be outlet pipe, and 5 be coil furnace, and 6 be temperature measurer, and 7 be coil I, and 8 be coil II.

Specific embodiment

As shown in Figure 1 and Figure 2, a kind of Medium Frequency Induction Heating Furnace for driving axle housing blank, including water-cooling system 4 and line Furnace 5 is enclosed, coil furnace 5 is equipped with temperature measurer 6, further includes power supply I 2 and power supply II 3, be provided in the coil furnace 5 and be set in drive The coil II 8 of 11 corresponding position of aperture section of axle housing 1 is moved, is additionally provided with the aperture for being respectively sleeved at driving axle housing 1 in coil furnace 5 The coil I 7 of 11 two sides of section, the coil I 7 of two sides are both connected on power supply I 2, and coil II 8 is connected on power supply II 3, I 2 He of power supply Power supply II 3 connects PLC, and there are distances between coil I 7, coil II 8, this distance is related with the size of aperture section 11, to avoid out The wedge angle position 12 of hole section 11.The structure of the heating workpiece driving axle housing 1 of the utility model is as shown in Figure 3 and Figure 4, and middle part has Aperture section 11.Above-mentioned water-cooling system 4 and coil furnace 5 are the prior art, and details are not described herein.Coil I 7, coil II 8 pass through line Coil supports, and is the prior art.

Above-mentioned power supply I 2 and power supply II 3 use serial-resonant power supply, and AC voltage is converted into D/C voltage by diode, passes through Carry out regulation power adjusting inverter frequency, power can electrodeless any adjusting between 10-100%, without adjusting rectifier, The electrical source power factor of high and constant 0.92-0.94 can be thus always maintained at；Mains by harmonics distortion pollution is few；It is also equipped with one The electronic circuit of a current limliting mutual inductor and fast reaction, to protect silicon-controlled and diode when breaking down.Failure electricity Stream will be limited by mutual inductor, silicon-controlled with the transient protection for allowing electronic circuit to disconnect in breaker, and high speed fuses provide quick Electronic Protection；It can quickly be successfully started up under any load, inrush current is minimum, and starting is easy；It can be in full power In the case of continuously open or stop, and can continuous full power use.

For the coil of the utility model, coil includes coil I 7, coil II 8, due to reducing electricity in power supply designs Voltage, the current limitation in source, the diameter range that coil adapts to blank are wide；Coil is formed by the copper tube coiling of high conductivity； Coil epoxy heat cure coating processing is to avoid the starting the arc between coil；Coil both ends have firm end copper sheet to prevent magnetic field from expanding It dissipates, and protects internal coil group and refractory material；Via the stringent insulation of advanced instrument, sealing, pressure resistance, resistance to before coil factory The system testings such as mild conductivity.Coil itself has water temperature and hydraulic pressure protective switch；The cooling water of coil can come from external cold But tower, but must satisfy certain water temperature, water quality requirement.Water quality requirement clean demineralized water；Using high-quality knotting material structure, protect Card has fabulous heat insulating ability, wearability, minimum thermal expansion coefficient, and the service life is long, easy to maintenance；Wear-resistant, high-temperature resistant is used in furnace Water cooling guide rail, water cooling guide rail surface spray uniform wear-resistant coating, guarantee the high temperature resistant of guide rail and wear-resisting performance, lift rail Service life；There is aperture so as to thermometric among coil.

Water-cooling system 4 be in power supply it is closed, power source internal enclosed water cooling system include stainless steel water tank, circulation Pump, heat-exchangers of the plate type and water temperature, water pressure monitoring instrument and system interlink warning device etc.；Show monitoring automatically containing conductivity Device；The heat of power supply internal water system system takes away heat by external cooling tower by heat-exchangers of the plate type；The system needs to install additional Industrial pure water generally needs to replace the 2-3 month once.

Further, water inlet pipe 41 and outlet pipe 42 are provided in the water-cooling system 4, water inlet pipe 41 and outlet pipe 42 are equal Be connected to power supply I 2, power supply II 3, coil I 7, on coil II 8, to be cooled down to power supply and coil.In the utility model Coil is water-cooled cable, is hollow pipe, is the channel of cooling water in pipe.The components such as power source internal power component such as SCR, Water cooling is needed when over-loading operation, due to there is the presence of direct current, is had and is caused the potentially possible of electrolyte corrosion, so as to cause water route Inside corrosion and blocking.Power supply matches the closed deionized water cooling system of stand-by power source, and the water cooling for providing constant cleaning is supplied in electric appliance Element.

Preferably, the temperature measurer 6 is infrared thermometer.

Preferably, the water-cooling system 4 is deionized water cooling system.

When utility model works, driving axle housing 1 be transported to the coil I 7 in coil furnace 5, on coil II 8 in, such as Fig. 2 Shown, PLC control power supply I 2 and power supply II 3 start simultaneously at work, and the magnetic line of force that coil I 7 occurs is by workpiece surface in aperture The region of 11 two sides of section is converged, and the magnetic line of force that coil II 8 occurs is converged by workpiece surface in 11 central region of aperture section, avoids The wedge angle position 12 at 11 both ends of aperture section ensure that place that the magnetic line of force passes through and confluence area temperature uniformly rise to stabilization Temperature.The heating in medium frequency technology of the utility model guarantees to heat 2min in the state of workpiece cube 160*150, wall thickness 16-25 1150 DEG C of high temperature can be reached, heating efficiency is high.

Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as The protection scope of the utility model, these all will not influence the effect and patent practicability of the utility model implementation.

Claims (4)

1. a kind of Medium Frequency Induction Heating Furnace for driving axle housing blank, including water-cooling system (4) and coil furnace (5), coil furnace (5) temperature measurer (6) are equipped with, it is characterised in that: further include power supply I (2) and power supply II (3), be provided in the coil furnace (5) It is set in the coil II (8) of aperture section (11) corresponding position of driving axle housing (1), is additionally provided in coil furnace (5) and is arranged respectively Coil I (7) in aperture section (11) two sides of driving axle housing (1), there are distance between coil I (7), coil II (8), two sides Coil I (7) is both connected on power supply I (2), and coil II (8) is connected on power supply II (3), power supply I (2) and power supply II (3) connection PLC。

2. being used for the Medium Frequency Induction Heating Furnace of driving axle housing blank as described in claim 1, it is characterised in that: the water cooling system Water inlet pipe (41) and outlet pipe (42) are provided on system (4), water inlet pipe (41) and outlet pipe (42) are both connected to power supply I (2), electricity Source II (3), coil I (7), on coil II (8).

3. being used for the Medium Frequency Induction Heating Furnace of driving axle housing blank as claimed in claim 1 or 2, it is characterised in that: the survey Wen Yi (6) is infrared thermometer.

4. being used for the Medium Frequency Induction Heating Furnace of driving axle housing blank as described in claim 1, it is characterised in that: the water cooling system (4) are united as deionized water cooling system.