CN216119772U - Magnetizing assembly for auxiliary magnetic steel magnetizing of automobile motor rotor - Google Patents
Magnetizing assembly for auxiliary magnetic steel magnetizing of automobile motor rotor Download PDFInfo
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- CN216119772U CN216119772U CN202122539790.9U CN202122539790U CN216119772U CN 216119772 U CN216119772 U CN 216119772U CN 202122539790 U CN202122539790 U CN 202122539790U CN 216119772 U CN216119772 U CN 216119772U
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Abstract
The utility model belongs to the field of generator rotor processing, and particularly relates to a magnetizing assembly for assisting magnetic steel magnetizing of an automobile motor rotor, which comprises an upper magnetizing head and a lower magnetizing head, wherein an upper magnetizing coil is arranged at the upper part of the upper magnetizing head, a plurality of upper limiting claws annularly arranged at intervals are arranged at the lower part of the upper magnetizing head, an upper positioning cavity is formed among the upper limiting claws, a lower magnetizing coil is arranged at the lower part of the lower magnetizing head, a plurality of lower limiting claws annularly arranged at intervals are arranged at the upper part of the lower magnetizing head, a lower positioning cavity is formed among the lower limiting claws, the upper magnetizing head and the lower magnetizing head are oppositely arranged up and down, and the upper limiting claws and the lower limiting claws are arranged in a staggered mode. The utility model is provided with the structures of the upper magnetizing head, the lower magnetizing head, the upper magnetizing coil, the lower magnetizing coil and the like, the rotor and the auxiliary magnetic steel can be assembled and then magnetized, the interference of the magnetic field on the auxiliary magnetic steel in the assembling process is reduced, and the assembling efficiency of the product is improved.
Description
Technical Field
The utility model belongs to the field of generator rotor machining, and particularly relates to a magnetizing assembly for auxiliary magnetic steel magnetizing of an automobile motor rotor.
Background
In order to improve the power generation efficiency, the rotor of some automobile generators is provided with auxiliary magnetic steel, and as shown in fig. 1 and 2, the auxiliary magnetic steel is embedded between the pole claws of the front claw pole and the rear claw pole. In the actual operation process, pre-magnetization is usually completed in advance, and then assembly is carried out. If the bulletin number is CN213025633U, a magnet steel pre-magnetizing device is disclosed, the technical scheme is that the device comprises a machine body, a magnetizing belt is arranged on the machine body, a magnetizing mechanism is further arranged on the machine body and comprises upper magnet steel and lower magnet steel which are respectively arranged on two sides of the magnetizing belt, a magnetizing pressing plate is connected onto the upper magnet steel, a position control mechanism used for controlling the upper magnet steel to move is further arranged on the machine body, a guide plate is further arranged on the machine body and is in contact with the magnetizing part, a guide roller set is arranged on one side of the magnetizing pressing plate, which faces towards the magnetizing belt, is parallel and level with one side of the guide plate and the magnetizing part, and a limiting component for limiting the magnetizing part is further arranged on the magnetizing pressing plate.
In addition, if the publication number is CN113270246A, an automatic magnetizing apparatus and method for neodymium iron boron permanent magnet steel are disclosed, comprising a frame, and a magnet steel carrier, a magnet steel feeding device, a carrier buffer device, a first moving device, a magnetizing device, a second moving device, a magnet steel moving-out device, a magnet steel discharging device and a carrier refluxing device which are arranged on the frame; the carrier backflow device, the magnetic steel feeding device, the carrier buffering device and the magnetizing device are sequentially arranged on the rack, and the first moving device is arranged above the carrier backflow device, the magnetic steel feeding device and the carrier buffering device; the magnetic steel shifting-out device is arranged between the discharge end of the magnetizing device and the feed end of the carrier reflux device; the second moving device is arranged above the magnetizing device, the magnetic steel moving-out device and the carrier backflow device; the magnetic steel discharging device is connected with the discharging end of the magnetic steel shifting-out device; a plurality of said magnetic steel carriers are continuously cycled between said devices; this patent can magnetize simultaneously a large amount of magnet steels, improves production efficiency.
However, in the process of mounting the auxiliary magnetic steel on the rotor in the automobile generator, due to the adoption of pre-magnetizing and re-assembling, the method is easy to cause the polarity error of the auxiliary magnetic steel, and the rotor is easy to be stained with iron chips in the outer circle finish turning process and is difficult to clean.
Based on the above problems, the applicant proposes a magnetizing device for auxiliary magnetic steel magnetizing of an automobile motor rotor, which includes a bracket, a cylinder and a magnetizing assembly, wherein the magnetizing assembly is used as a core component for realizing the magnetizing function, and how to design is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to make up the defects of the prior art, the utility model provides a technical scheme of a magnetizing assembly for auxiliary magnetic steel magnetizing of an automobile motor rotor.
The magnetizing assembly comprises an upper magnetizing head and a lower magnetizing head, wherein an upper magnetizing coil is arranged on the upper portion of the upper magnetizing head, a plurality of upper limiting claws are annularly arranged on the lower portion of the upper magnetizing head, an upper positioning cavity used for containing and positioning a front claw pole is formed between the plurality of upper limiting claws, a lower magnetizing coil is arranged on the lower portion of the lower magnetizing head, a plurality of lower limiting claws are annularly arranged on the upper portion of the lower magnetizing head, a lower positioning cavity used for containing and positioning a rear claw pole is formed between the plurality of lower limiting claws, the upper magnetizing head and the lower magnetizing head are oppositely arranged up and down, and the upper limiting claw and the lower limiting claws are arranged in a staggered mode.
Preferably, the upper limiting claw and the lower limiting claw are the same in number.
Preferably, the upper restricting claw has a width gradually decreasing from top to bottom.
Preferably, the width of the lower restricting claw is gradually reduced from bottom to top.
Preferably, an upper groove is formed between the adjacent upper limiting claws, a lower groove is formed between the adjacent lower limiting claws, the upper groove corresponds to the lower limiting claw, and the lower groove corresponds to the upper limiting claw.
Preferably, the outer wall of the upper part of the upper magnetizing head is provided with an upper annular groove, and the upper magnetizing coil is wound on the upper annular groove.
Preferably, the outer wall of the lower part of the lower magnetizing head is provided with a lower annular groove, and the lower magnetizing coil is wound on the lower annular groove.
Preferably, the center of the upper charging head is provided with an upper through hole which is vertically penetrated and is used for accommodating a front shaft of the front claw pole.
Preferably, a vertically through lower through hole is formed in the center of the under-fill head, and the lower through hole is used for accommodating a rear shaft of the rear claw pole.
Compared with the prior art, the utility model is provided with the structures of the upper magnetizing head, the lower magnetizing head, the upper magnetizing coil, the lower magnetizing coil and the like, the rotor and the auxiliary magnetic steel can be assembled and then magnetized, the interference of the magnetic field on the auxiliary magnetic steel in the assembling process is reduced, and the assembling efficiency of the product is improved.
Drawings
FIG. 1 is a schematic view of a generator rotor configuration;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic view of an upper magnetizing head structure according to the present invention;
FIG. 6 is a second schematic view of the upper magnetizing head structure according to the present invention;
FIG. 7 is a schematic view of a lower magnetizing head structure according to the present invention;
FIG. 8 is a second schematic view of a lower magnetizing head structure according to the present invention;
FIG. 9 is a schematic structural diagram of the present invention in use.
In the figure: the magnetic pole comprises a front claw pole 1a, a front claw pole 100a, a front shaft 101a, a rear claw pole 1b, a rear claw pole 100b, a rear shaft 101b, auxiliary magnetic steel 2, an upper magnetizing head 3a, an upper limiting claw 300a, an upper groove 301a, an upper annular groove 302a, an upper through hole 303a, a lower magnetizing head 3b, a lower limiting claw 300b, a lower groove 301b, a lower annular groove 302b, a lower through hole 303b, an upper magnetizing coil 4a and a lower magnetizing coil 4 b.
Detailed Description
The utility model will be further explained with reference to the drawings.
Referring to fig. 3-9, the magnetizing assembly for assisting in magnetizing the magnetic steel of the rotor of the motor of the automobile includes an upper magnetizing head 3a and a lower magnetizing head 3b, the upper portion of the upper magnetizing head 3a is provided with an upper magnetizing coil 4a, the lower portion of the upper magnetizing head is provided with a plurality of upper limiting claws 300a annularly arranged at intervals, an upper positioning cavity for accommodating and positioning the front claw pole 1a is formed between the upper limiting claws 300a, the lower portion of the lower magnetizing head 3b is provided with a lower magnetizing coil 4b, the upper portion of the lower magnetizing head is provided with a plurality of lower limiting claws 300b annularly arranged at intervals, a lower positioning cavity for accommodating and positioning the rear claw pole 1b is formed between the lower limiting claws 300b, the upper magnetizing head 3a and the lower magnetizing head 3b are oppositely arranged up and down, the upper limiting claws 300a and the lower limiting claws 300b are the same in number, and the upper and lower limiting claws 300a are arranged alternately.
With continued reference to fig. 5-8, an upper groove 301a is formed between adjacent upper detents 300a, a lower groove 301b is formed between adjacent lower detents 300b, the upper groove 301a corresponds to the lower detent 300b, and the lower groove 301b corresponds to the upper detent 300 a. When the utility model is assembled and used for magnetizing the auxiliary magnetic steel 2 on the generator rotor, the lower limiting claw 300b is partially inserted into the corresponding upper groove 301a, and similarly, the upper limiting claw 300a is partially inserted into the lower groove 301 b.
With continued reference to fig. 5 and 7, the upper limiting claw 300a is a substantially triangular structure, and the width thereof gradually decreases from top to bottom, and correspondingly, the width of the upper groove 301a gradually increases from top to bottom. The lower restricting pawl 300b is also of a generally triangular configuration, and the width thereof also gradually decreases from bottom to top, and correspondingly, the width of the lower groove 301b gradually increases from bottom to top.
It can be understood that the upper charge head 3a and the lower charge head 3b are mutually staggered, and the structure is more compact and stable.
With continued reference to fig. 5 and 7, the upper outer wall of the upper charging head 3a defines an upper annular groove 302a, and the upper charging coil 4a is wound around the upper annular groove 302 a. The outer wall of the lower part of the lower magnetizing head 3b is provided with a lower annular groove 302b, and the lower magnetizing coil 4b is wound on the lower annular groove 302 b.
Continuing with fig. 3, the center of the top-charging head 3a is provided with a vertically penetrating upper through hole 303a, and the upper through hole 303a is used for accommodating the front axle 101a of the front claw pole 1 a. The center of the lower charge head 3b is provided with a vertically through lower through hole 303b, and the lower through hole 303b is used for accommodating the rear shaft 101b of the rear claw pole 1 b.
As shown in fig. 9, when the magnetizing apparatus of the present invention works, the lower magnetizing head 3b is placed on the base of the bracket, the upper magnetizing head 3a is fixed at the bottom of the lower pressing plate of the cylinder, then the generator rotor is placed on the lower magnetizing head 3b, then the cylinder drives the lower pressing plate and the upper magnetizing head 3a to move downwards, so that the upper magnetizing head 3a presses the front pole claw 1a, finally the power is switched on, the magnetizing apparatus discharges to the magnetizing coil, and the magnetizing head magnetizes the auxiliary magnetic steel 2 of the generator rotor. Fig. 3 and 4 show the magnetic field distribution and the magnetic line trend among the claw poles, the auxiliary magnetic steel 2 and the magnetizing head at the moment of magnetizing. And after the magnetizing is finished, the cylinder drives the upper magnetizing head 3a to return, the generator rotor is taken out, and the magnetizing process is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The magnetizing assembly is characterized by comprising an upper magnetizing head and a lower magnetizing head, wherein an upper magnetizing coil is arranged at the upper part of the upper magnetizing head, a plurality of upper limiting claws are annularly arranged at intervals at the lower part of the upper magnetizing head, an upper positioning cavity for accommodating and positioning a front claw pole is formed among the upper limiting claws, a lower magnetizing coil is arranged at the lower part of the lower magnetizing head, a plurality of lower limiting claws are annularly arranged at the upper part of the lower magnetizing head, a lower positioning cavity for accommodating and positioning a rear claw pole is formed among the lower limiting claws, the upper magnetizing head and the lower magnetizing head are oppositely arranged up and down, and the upper limiting claw and the lower limiting claw are arranged in a staggered mode.
2. The magnetizing assembly for magnetizing the auxiliary magnetic steel of the automobile motor rotor according to claim 1, wherein the number of the upper limiting claws is the same as that of the lower limiting claws.
3. The magnetizing assembly for magnetizing the auxiliary magnetic steel of the automobile motor rotor according to claim 1, wherein the width of the upper limiting claw gradually decreases from top to bottom.
4. The magnetizing assembly for magnetizing the auxiliary magnetic steel of the automobile motor rotor according to claim 1, wherein the width of the lower limiting claw gradually decreases from bottom to top.
5. The magnetizing assembly for auxiliary magnetic steel magnetizing of the automobile motor rotor according to claim 1, wherein an upper groove is formed between adjacent upper limiting claws, a lower groove is formed between adjacent lower limiting claws, the upper groove corresponds to the lower limiting claw, and the lower groove corresponds to the upper limiting claw.
6. The automobile motor rotor auxiliary magnetic steel magnetizing assembly as claimed in any one of claims 1 to 5, wherein an upper annular groove is formed in an upper outer wall of the upper magnetizing head, and the upper magnetizing coil is wound around the upper annular groove.
7. The automobile motor rotor auxiliary magnetic steel magnetizing assembly as claimed in any one of claims 1 to 5, wherein a lower annular groove is formed in an outer wall of a lower portion of the lower magnetizing head, and the lower magnetizing coil is wound on the lower annular groove.
8. The automobile motor rotor auxiliary magnetic steel magnetizing assembly as claimed in any one of claims 1 to 5, wherein an upper through hole which is vertically through is formed in the center of the upper magnetizing head, and the upper through hole is used for accommodating a front shaft of the front claw pole.
9. The automobile motor rotor auxiliary magnetic steel magnetizing assembly as claimed in any one of claims 1 to 5, wherein a vertically through lower through hole is formed in the center of the lower magnetizing head, and the lower through hole is used for accommodating a rear shaft of the rear claw pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122539790.9U CN216119772U (en) | 2021-10-21 | 2021-10-21 | Magnetizing assembly for auxiliary magnetic steel magnetizing of automobile motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122539790.9U CN216119772U (en) | 2021-10-21 | 2021-10-21 | Magnetizing assembly for auxiliary magnetic steel magnetizing of automobile motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119772U true CN216119772U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122539790.9U Active CN216119772U (en) | 2021-10-21 | 2021-10-21 | Magnetizing assembly for auxiliary magnetic steel magnetizing of automobile motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119772U (en) |
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2021
- 2021-10-21 CN CN202122539790.9U patent/CN216119772U/en active Active
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