CN209157384U - A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating - Google Patents
A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating Download PDFInfo
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- CN209157384U CN209157384U CN201821916937.3U CN201821916937U CN209157384U CN 209157384 U CN209157384 U CN 209157384U CN 201821916937 U CN201821916937 U CN 201821916937U CN 209157384 U CN209157384 U CN 209157384U
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- electromagnetic induction
- disk
- rotor
- induction heater
- welded
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Abstract
The utility model discloses a kind of electromagnetic induction heaters of closed-smelting machine rotor surface overlaying preheating, including rotor to be welded, the internal rotor to be welded is equipped with several electromagnetic induction heaters by stabilizer blade, and the electromagnetic induction heater annular equidistantly distributed is in internal rotor to be welded, the both ends of the electromagnetic induction heater are separately installed with left claw disk and right pawl disk by claw, it is axial among the right pawl disk to be provided with protective conduit, heating speed is fast, it is high-efficient, the efficiency of induction heating is higher than flame by 60%, it is 2~3 times of resistance heating speed that specific resistance, which heats high 45% and answers heating speed, iron loss rate is extremely low, heating cost is low, since efficiency and speed are high, there is very high cost advantage under mass long term use condition, it is easily achieved automatic control, using closed-loop control, induction heating can root It is automatically controlled precisely in real time according to the current state of workpiece is heated.
Description
Technical field
The utility model relates to mixer field, specially a kind of electromagnetic induction of closed-smelting machine rotor surface overlaying preheating adds
Thermal.
Background technique
Rotor is one of main working parts of mixer, and the friction between rotor and sizing material is serious during the work time,
Therefore there is very high requirement to the wearability of rotor.For the service life for improving rotor, want built-up welding certain at the rib peak of rotor and rib side
The wearing layer of thickness, is then machined.Meanwhile it being split to improve the bond strength of wearing layer and matrix and reduce surface
Line, will also between matrix and wearing layer one layer of transition zone of built-up welding.The bead-welding technology of rotor surface requires to carry out built-up welding to rotor
It is heated in preceding preheating, welding process and POST WELD HEAT TREATMENT OF ENTIRE.
Electromagnetic induction heating derives from the electromagnetic induction phenomenon of faraday's discovery.Firstly, the friendship that induction heating power generates
Time-dependent current generates alternating magnetic field by inductor (i.e. coil), and magnetic conductivity object, which is placed in one, cuts alternate magnetic force line, thus
Interior of articles generates the electric current (being vortexed) of alternation.Since conductor has resistance, the resistance heat (joule that is generated when flowing through conductor
Heat).For ferromagnet workpiece, there are also magnetic hysteresis fuel factors, also can workpiece temperature be increased.Therefore electromagnetic induction heating is to pass through
Electric energy is converted into magnetic energy, magnetic energy is converted into electric energy, and electric energy is converted into thermal energy, to make a kind of heating for being heated workpiece fever
Mode.At present, closed-smelting machine rotor is when carrying out built-up welding in such a way that heating furnace is heated, and there are following for this heating method
Defect:
(1) heating cannot carry out simultaneously with weld deposit process；
(2) for rotor always in cooling, surfacing quality is unbalanced when built-up welding；
(3) heating furnace of bulky is needed, heating process is slow；
(4) heating efficiency is low.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of closed-smelting machine rotor surface overlaying preheating
Electromagnetic induction heater can effectively solve the problem of background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating, including rotor to be welded, described to be welded turn
It is sub internal that electromagnetic induction heater is equipped with by stabilizer blade, and the electromagnetic induction heater annular equidistantly distributed to
Internal rotor is welded, the both ends of the electromagnetic induction heater are separately installed with left claw disk and right pawl disk, the right side by claw
It is axial among pawl disk to be provided with protective conduit.
Further, the claw is mounted on left claw disk and right pawl disk by bolt sleeve, suit among the bolt sleeve
There is quadrangle shank of screw, rigid spring is set on the shaft of the bottom four corners shank of screw of the bolt sleeve, and the claw extends into a left side
The inside end surface of pawl disk and right pawl disk is provided with screw thread, is embedded with ring, the ring on the left claw disk and right pawl disk
Protrusion set up separately and be equipped with interior to ring tooth, and the ring screw occlusion screw thread.
Further, it is provided with the fixed device of oil pressure on the left claw disk and right pawl disk, the fixed device of the oil pressure includes
Annular oil circuit and the torsion hole being arranged on left claw disk and right pawl disk side wall are provided with piston boit in the torsion hole, described
It is provided with several pressure slots on annular oil circuit, is provided with mandril in the pressure slot.
Further, the left claw disk and right pawl disk are provided with heat-insulated felt pan relative to the one side of rotor to be welded.
Compared with prior art, the utility model has the beneficial effects that
(1) heating speed is fast, high-efficient, and the efficiency of induction heating is higher than flame by 60%, and specific resistance heating high 45% should add
Thermal velocity is 2-3 times of resistance heating speed, and iron loss rate is extremely low.
(2) heating cost is low, since efficiency and speed are high, has very high cost excellent under mass long term use condition
Gesture.
(3) it is easily achieved automatic control, using closed-loop control, induction heating can be according to being heated the current state of workpiece
It is automatically controlled precisely in real time, sufficiently meets heating process requirement.
(4) environmental-friendly, induction heating does not generate any exhaust gas and flue dust, and radiation leaks are small, low noise, working environment and
The working condition of operator is improved.
(5) easy to operate, safe and reliable, inverter induction heating power presets multiple modes of operation, and opening and closing is simple, energy conservation
It is time saving, prevent open fire, the safety is improved.
(6) heating process adaptability is high, not only can integrally heat, but also can be with local heating, and power supply can after replacing inductor
To match a variety of heating process.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the electromagnetic induction heater the schematic diagram of the section structure of the utility model；
Fig. 3 is the electromagnetism barred body structural schematic diagram of the utility model；
Fig. 4 is the annular oil circuit enlarged structure schematic diagram of the utility model；
Fig. 5 is the right pawl dish structure schematic diagram of the utility model；
Fig. 6 is the bolt sleeve structure schematic diagram of the utility model.
Figure label:
1- rotor to be welded；2- stabilizer blade；3- electromagnetic induction heater；4- claw；5- left claw disk；The right pawl disk of 6-；7- protection
Pipeline；8- water power slip ring；9- bolt sleeve；Tetra- jiaos of shanks of screw of 10-；The rigid spring of 11-；12- ring；To ring tooth in 13-；14- heat exchange folder
Set；15- vacuum layer；16- oil pressure fixes device；The heat-insulated felt pan of 17-；18- temperature sensor；
301- heat exchange shell；302- electromagnetism barred body；303- heat transfer rib piece；304- rotation direction hole；305- copper wire；306- plug；
1601- annular oil circuit；1602- torsion hole；1603- pressure slot；1604- mandril.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 6, the electromagnetic induction that the utility model provides a kind of closed-smelting machine rotor surface overlaying preheating adds
Thermal, including rotor to be welded 1 are equipped with several electromagnetic induction heaters 3, and electromagnetism by stabilizer blade 2 inside rotor 1 to be welded
The annular equidistantly distributed of induction heating apparatus 3 inside rotor 1 to be welded, divided by claw 4 by the both ends of electromagnetic induction heater 3
Left claw disk 5 and right pawl disk 6 are not installed, are axially provided with protective conduit 7 among right pawl disk 6.
The working principle of the utility model is: work when, first by electromagnetic induction heater by stabilizer blade be mounted on to
It welds in rotor, then the rotor to be welded equipped with electromagnetic induction heater is lifted on closed-smelting machine rotor processing positioner, by
Left and right claw is to the fixed rotor to be processed of the heart；Next heating power supply is opened, by electromagnetic induction heater to rotor to be welded
Carry out electromagnetic induction heating；
When rotor outer surface reaches required temperature, heating power supply is transferred to stationary temperature mode, carries out dimension temperature to rotor to be welded,
At this moment positioner starts turning, and carries out built-up welding operation to closed-smelting machine rotor by welding robot；
Finally, the rotor that completion built-up welding is unloaded in lifting enters furnace treatment reason after closed-smelting machine rotor built-up welding terminates, replace next
A rotor to be processed is heated and is welded.
Electromagnetic induction heater 3 in the utility model connects the water power slip ring 8 being arranged in protective conduit 7, electromagnetism
Sensing device 3 includes heat exchange shell 301, and heat exchange 301 internal arrangement of shell has several electromagnetism barred bodies 302, sets on electromagnetism barred body 302
It is equipped with heat transfer rib piece 303, and the rib piece 303 that conducts heat is fitted in the inner surface of heat exchange shell 301, electromagnetism barred body 302 and heat transfer rib piece
303 junctions are equidistantly arranged with rotation direction hole 304, and electromagnetism barred body 302 is wound with copper wire 305, electromagnetism barred body by rotation direction hole 304
305 centre is provided with plug 306；
Electromagnetic induction heater 3 carries out the connection of circuit and water route by water power slip ring 8, and at work, copper wire 305 is logical
Induced magnetic field is generated when electric, and the identical and contrary induced current of 305 frequency of copper wire is resulted from plug 306, passes through rotation
Winding to hole 304, enables the quick heat production of plug 306, simultaneously because the material of plug 306 and electromagnetism barred body 302 is different,
By way of electromagnetism barred body 302 wraps up plug 306, so that inside plug 306 more magnetic effects can be obtained in the unit time
It answers, so that the quick heat production of plug 306, during heat production, is transferred to heat transfer rib piece 303 by heat, passes through cold of heat transfer
303 and heat exchange shell 301 surface contact so that heat exchange shell 301 can quickly conduct the thermal energy of plug 306, from
And accelerate the preheating process of rotor 1 to be welded, solve the problems, such as that the heat transfer rate of traditional electromagnetic wand heating is slow and heating time is long.
Claw 4 in the utility model is mounted on left claw disk 5 and right pawl disk 6 by bolt sleeve 9,9 intermediate sleeve of bolt sleeve
Equipped with quadrangle shank of screw 10, rigid spring 11 is set on the shaft of the bottom four corners shank of screw 10 of bolt sleeve 9, and claw 4 extends into
The inside end surface of left claw disk 5 and right pawl disk 6 is provided with screw thread, is embedded with ring 12, ring on left claw disk 5 and right pawl disk 6
12 protrusion, which sets up separately, is equipped with interior to ring tooth 13, and 12 screw occlusion screw thread of ring.
It further illustrates, is provided with heelpiece on the shaft of the quadrangle shank of screw 10 of rigid 11 bottom of spring of the utility model
Piece, and the bottom spacer is movably arranged on claw 4 by bracket, so that 11 shape of quadrangle shank of screw 10, bolt sleeve 9 and rigid spring
At secured adjusted component；
When carrying out the installation of rotor to be welded, electromagnetic induction heater 3 can be first passed through claw 4 and be mounted on left claw disk 5
On, then it is inserted in rotor 1 to be welded, and further position is carried out by stabilizer blade 2 and is fixed, and when installing right pawl disk 6, first by water power
Slip ring 8 and electromagnetic induction heater 3 are electrically connected, which can be plug-in or electric connector type of attachment,
Water power slip ring 8 is arranged in protective conduit 7 simultaneously, and protective conduit 7 is located in right pawl disk 6, avoids and electromagnetic induction heating
Device 3 crosses adosculation, guarantees the safety of junction.
Claw 4 in the utility model is fixed on left claw disk 5 and right pawl disk 6 by quadrangle shank of screw 10, and electricity
It after the completion of Metal-magnetic needle 3 is fixed with left claw disk 5 again, can avoid dismantling repeatedly, carrying out electromagnetic induction device 3 and right pawl
When the fixation of disk 6, can by rotation quadrangle shank of screw 10 further adjust claw 4 fixation position, the mode of the centripetal adjusting,
The diameter annular in shape for changing simultaneously several electromagnetic induction heaters 3 enables adaptation to same specification rotor 1 to be welded
Different inner diameters, and when carrying out the installation of next rotor 1 to be welded, it is only necessary to rotating quadrangle shank of screw 10 can be realized as the right side
The Quick Release of pawl disk 5 and claw 4 improves the efficiency of built-up welding.
Be wound with two circle heat exchange jackets 14 on heat transfer rib piece 303, and the fluids inside two circle heat exchange jackets 14 flow on the contrary,
Vacuum layer 15 is provided between heat exchange jacket 14 and heat transfer rib piece 303.
The fixed device 16 of oil pressure is provided on left claw disk 5 and right pawl disk 6, the fixed device 16 of oil pressure includes annular oil circuit 1601
And the torsion hole 1602 on left claw disk 5 and right 6 side wall of pawl disk is set, piston boit, annular oil are provided in torsion hole 1602
It is provided with several pressure slots 1603 on road 1601, is provided with mandril 1604 in the slot 1603 that presses.
It is locked, is led to by the installation that the fixed device 16 of oil pressure carries out claw 4 and left claw disk 5, right pawl disk 6 in the utility model
The piston boit crossed in rotation torsion hole 1602 changes the oil pressure in annular oil circuit 1601, so that towards the top of 1 side wall of rotor to be welded
Bar 1504 is ejected from pressure slot 1603, to complete the locking to rotor 1 to be welded；
Further instruction, fluid used in the annular oil circuit 1601 in the utility model is using methyl silicon liquid etc.
High temperature resistant, the high liquid of boiling point.
Several tops for conducting heat the heat exchange jacket 14 wound on cold 303 be joined together to form an outlet pipe and into
Water pipe, waterway pipe and circuit of the setting there are two water inlet pipe and outlet pipe, in water power slip ring 8 on the same heat exchange shell 301
Pipeline is separately connected water inlet pipe and copper wire 305.
Left claw disk 5 and right pawl disk 6 are provided with heat-insulated felt pan 17 relative to the one side of rotor 1 to be welded.
The quantity at least two of heat exchange shell 301, and temperature sensor 18 is provided between adjacent heat exchange shell 301,
Temperature sensor 18 includes the red of the contact type temperature sensor that is fitted in rotor inner wall to be welded and measurement interior space temperature
Outer sensor
Real-time temperature detection is carried out by contact surface of the contact type temperature sensor to rotor to be welded, and by infrared biography
Sensor is monitored the temperature inside electromagnetic induction heater, thus the real-time temperature control of rotor to be welded 1.
It further illustrates, the electromagnetic induction heater in the utility model can also use traditional electromagnetism sense
It answers heating rod to be mounted on left claw disk 5 and right pawl disk 6, and is installed by stabilizer blade 2, the electromagnetism that equally can be realized rotor 1 to be welded adds
Heat.
Further illustrate, 3 quantity of electromagnetic induction heater at least there are two, and be vertically installed to be welded turn
Inside son 1, reverberation bowl is provided between the electromagnetic induction heater 3, the both ends of the reverberation bowl are fitted in rotor 1 to be welded
Inner wall on, reverberation bowl in the utility model is the insulating fibre material that surface is attached with aluminium film, and the reverberation bowl and electricity
The quantity of Metal-magnetic needle 3 is identical, and the back side of electromagnetic induction heater 3 is arranged in reverberation bowl, and annular array is in it
Portion, the heat wavelength of such electromagnetic induction heater are then acted on rotor 1 to be welded with shortest path, to realize fast
The preheating of speed.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating, including rotor to be welded (1), feature exists
In: it is equipped with electromagnetic induction heater (3) inside the rotor (1) to be welded by stabilizer blade (2), and the electromagnetic induction heating
Device (3) annular equidistantly distributed is internal in rotor to be welded (1), and the both ends of the electromagnetic induction heater (3) pass through claw
(4) it is separately installed with left claw disk (5) and right pawl disk (6), the right pawl disk (6) is intermediate to be axially provided with protective conduit (7), described
The water power slip ring (8) that electromagnetic induction heater (3) connection is arranged in protective conduit (7).
2. a kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating according to claim 1, feature
Be: the claw (4) is mounted on left claw disk (5) and right pawl disk (6) by bolt sleeve (9), bolt sleeve (9) intermediate sleeve
Equipped with quadrangle shank of screw (10), it is set with rigid spring (11) on the shaft of the bottom four corners shank of screw (10) of the bolt sleeve (9), and
The inside end surface that the claw (4) extends into left claw disk (5) and right pawl disk (6) is provided with screw thread, the left claw disk (5) and
Ring (12) are embedded on right pawl disk (6), the protrusion of the ring (12), which sets up separately, is equipped with interior to ring tooth (13), and the ring
(12) screw occlusion screw thread.
3. a kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating according to claim 1, feature
It is: is provided with oil pressure on the left claw disk (5) and right pawl disk (6) and fixes device (16), the oil pressure fixed device (16) packet
The torsion hole (1602) for including annular oil circuit (1601) and being arranged on left claw disk (5) and right pawl disk (6) side wall, the torsion hole
(1602) it is provided with piston boit in, several pressures slot (1603), the pressure are provided on the annular oil circuit (1601)
Mandril (1604) are provided in slot (1603).
4. a kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating according to claim 1, feature
Be: electromagnetic induction heater (3) quantity at least there are two, and it is internal to be vertically installed at rotor to be welded (1), the electricity
Reverberation bowl is provided between Metal-magnetic needle (3), the both ends of the reverberation bowl are fitted on the inner wall of rotor to be welded (1).
5. a kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating according to claim 1, feature
Be: the left claw disk (5) and right pawl disk (6) are provided with heat-insulated felt pan (17) relative to the one side of rotor to be welded (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916937.3U CN209157384U (en) | 2018-11-21 | 2018-11-21 | A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916937.3U CN209157384U (en) | 2018-11-21 | 2018-11-21 | A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209157384U true CN209157384U (en) | 2019-07-26 |
Family
ID=67339148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821916937.3U Expired - Fee Related CN209157384U (en) | 2018-11-21 | 2018-11-21 | A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209157384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262129A (en) * | 2018-11-21 | 2019-01-25 | 青岛科技大学 | A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating |
-
2018
- 2018-11-21 CN CN201821916937.3U patent/CN209157384U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262129A (en) * | 2018-11-21 | 2019-01-25 | 青岛科技大学 | A kind of electromagnetic induction heater of closed-smelting machine rotor surface overlaying preheating |
| CN109262129B (en) * | 2018-11-21 | 2024-05-24 | 青岛科技大学 | Electromagnetic induction heating device for internal mixer rotor surface overlaying preheating |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |