CN115415759A - Exciter rectifying ring radiating fin and processing method thereof - Google Patents
Exciter rectifying ring radiating fin and processing method thereof Download PDFInfo
- Publication number
- CN115415759A CN115415759A CN202211105806.8A CN202211105806A CN115415759A CN 115415759 A CN115415759 A CN 115415759A CN 202211105806 A CN202211105806 A CN 202211105806A CN 115415759 A CN115415759 A CN 115415759A
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- Prior art keywords
- radiating fin
- exciter
- disc
- radiating
- fin body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a radiating fin of a commutator ring of an exciter and a processing method thereof. The processing method comprises the steps of blanking, drilling, disc mounting, blank clamping, lathe processing and the like. The invention has the advantages that: the radiating fin structure of the rectifier ring of the exciter is simple, convenient to process and high in processing efficiency.
Description
Technical Field
The invention relates to the field of exciter, in particular to an exciter rectifying ring radiating fin and a processing method thereof.
Background
The rectifying ring is an important part in the exciter and is used for performing alternating-current and direct-current conversion so as to achieve the purpose of rectification, the radiating fins are arranged in the rectifying ring and are used for radiating, the performance of the rectifying ring and even the whole exciter can be influenced by the quality of the radiating effect, and the importance of the radiating effect is self-evident. Among the prior art, chinese utility model patent, for example publication number CN202334217U, discloses a high rotational speed brushless exciter fairing, including the rectifier ring, the outside of rectifier ring is equipped with the fan, be equipped with the radiator in the inboard wind channel of rectifier ring, the rectifier ring inboard is equipped with the three-phase bridge rectifier circuit of two branches, two branches three-phase bridge rectifier circuit convert the three-phase alternating current of exciter armature into direct current and carry for generator excitation winding through the busbar. In the prior art, part of the radiating fins are complex in structure and inconvenient to process and manufacture.
In addition, in the prior art, when the exciter rectifying ring radiating fin is processed, a processing method is generally adopted, wherein a blank is cut into a square structure, and then the square blank is processed into the radiating fin step by utilizing equipment such as a processing center, and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows:
the technical problems that radiating fins of a commutator ring of an exciter in the prior art are complex in structure, inconvenient to process and low in processing efficiency are solved.
The invention solves the technical problems through the following technical means:
the exciter rectifying ring radiating fin comprises a circular arc-shaped radiating fin body, wherein a plurality of radiating teeth distributed along the axial direction of the radiating fin body are arranged on the outer side of the radiating fin body, and the radiating teeth are of circular arc-shaped sheet structures.
When the exciter rectifying ring radiating fin is actually applied, the exciter rectifying ring radiating fin mainly comprises a radiating fin body and radiating teeth, the whole structure is simple, the radiating fin body is in an arc shape, and the radiating teeth are in an arc-shaped sheet structure, so that the exciter rectifying ring radiating fin can be machined by a lathe and is convenient to machine, and a plurality of radiating teeth can better radiate heat.
Preferably, at least two process holes are formed in the radiating fin body, and the process holes are parallel to the axial direction of the radiating fin body.
Preferably, the process hole is a threaded hole.
Preferably, the outer side of the radiating fin body is provided with a boss, and the radiating teeth are located on the boss.
Preferably, the boss is located at an axially intermediate position outside the heat sink body.
Optimally, the distance between two adjacent radiating teeth is equal.
Preferably, corners at two ends of the heat dissipation teeth are chamfered.
Preferably, the outer side edge of the heat dissipation tooth is arc-shaped.
Preferably, the end of the radiating tooth is flush with the end face of the radiating fin body, and the end face of the radiating fin body is perpendicular to the circumferential direction of the radiating fin body.
The invention also discloses a processing method for processing the exciter rectifier ring radiating fin, which comprises the following steps:
s1, blanking
Processing a raw material for processing a radiating fin of a rectifier ring of an exciter into a block-shaped structure with an isosceles trapezoid cross section to form a blank;
s2, drilling
Drilling a hole on the blank to form a process hole, wherein the process hole is vertical to the isosceles trapezoid cross section of the blank;
s3, mounting the disc
A disc is arranged on a lathe spindle, the disc is perpendicular to the lathe spindle, the circle center of the disc is overlapped with the lathe spindle, a plurality of mounting holes corresponding to the process holes of the blank are formed in the disc, and the mounting holes are distributed along the circumferential direction of the disc;
s4, clamping blank
A plurality of blanks are arranged on the disc in a circular distribution mode, the corresponding surface of the upper base of the isosceles trapezoid on each blank faces towards the inner side and is perpendicular to the radial direction of the disc, the corresponding surface of the lower base of the isosceles trapezoid on each blank faces towards the outer side, and the distance between each blank and the circle center of the disc is equal;
s5, lathe machining
The lathe drives the disc and a plurality of blanks arranged on the disc to rotate, and the inner surface and the outer surface of each blank are turned to form the radiating fin body and the radiating teeth;
and (4) after turning is finished, detaching the turned exciter rectifying ring radiating fins, and repeating the steps S4 and S5.
When the exciter rectifier ring radiating fin is machined by the machining method, the plurality of blanks can be simultaneously arranged on the lathe by relying on the disc and one-time clamping, the lathe drives the disc and the plurality of blanks arranged on the disc to rotate, all the blanks can be simultaneously turned by one-circle rotation, and the exciter rectifier ring radiating fin can be formed by turning due to the fact that the structure of the exciter rectifier ring radiating fin comprises the arc-shaped radiating fin body and the radiating teeth of the arc-shaped sheet structure, machining is convenient, machining center single machining is not needed, machining efficiency is greatly improved, and machining cost is low.
The invention has the advantages that:
1. when the exciter rectifying ring radiating fin is actually applied, the exciter rectifying ring radiating fin mainly comprises a radiating fin body and radiating teeth, the whole structure is simple, the radiating fin body is in an arc shape, and the radiating teeth are in an arc-shaped sheet structure, so that the exciter rectifying ring radiating fin can be machined by a lathe and is convenient to machine, and a plurality of radiating teeth can better radiate heat.
2. When the exciter rectifier ring radiating fin is machined by the machining method, the plurality of blanks can be simultaneously arranged on the lathe by relying on the disc and one-time clamping, the lathe drives the disc and the plurality of blanks arranged on the disc to rotate, all the blanks can be simultaneously turned by one-circle rotation, and the exciter rectifier ring radiating fin can be formed by turning due to the fact that the structure of the exciter rectifier ring radiating fin comprises the arc-shaped radiating fin body and the radiating teeth of the arc-shaped sheet structure, machining is convenient, machining center single machining is not needed, machining efficiency is greatly improved, and machining cost is low.
Drawings
Fig. 1 is a perspective view of a heat sink of an exciter rectifier ring according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a blank according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of blanking to form a blank according to a second embodiment of the present invention;
FIG. 4 is a front view of a disk according to a second embodiment of the present invention;
FIG. 5 is a left side view of a disk in accordance with a second embodiment of the present invention;
FIG. 6 is a schematic view of a blank mounted on a circular plate in a second embodiment of the invention;
FIG. 7 is a schematic view of a second embodiment of the present invention showing the exciter commutator ring heat sink mounted to the disk;
wherein, the first and the second end of the pipe are connected with each other,
a heat sink body-1; a heat dissipation tooth-11; a fabrication hole-12; a boss-13;
blank-2;
a disc-3; mounting holes-31; a handle-32 is installed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the exciter rectifier ring cooling fin comprises a circular-arc-shaped cooling fin body 1, wherein a plurality of cooling teeth 11 distributed along the axial direction of the cooling fin body 1 are arranged on the outer side of the cooling fin body 1, and the cooling teeth 11 are of circular-arc-shaped sheet structures.
Further, as shown in fig. 1, at least two process holes 12, in this embodiment two, are provided in the heat sink body 1, and the process holes 12 are parallel to the axial direction of the heat sink body 1. The fabrication hole 12 is a threaded hole.
As shown in fig. 1, a boss 13 is disposed on an outer side of the heat sink body 1, and the heat sink teeth 11 are located on the boss 13. Further, the boss 13 is located at an axially middle position outside the heat sink body 1.
As shown in fig. 1, in the present embodiment, each heat sink body 1 is provided with 4 heat dissipation teeth 11, and the distances between two adjacent heat dissipation teeth 11 are equal. Corners at two ends of the heat dissipation teeth 11 are rounded. The outer edge of the heat dissipation teeth 11 is arc-shaped, that is, the cross section of the outer edge of the heat dissipation teeth 11 is arc-shaped.
As shown in fig. 1, the end of the heat dissipation tooth 11 is flush with the end surface of the heat sink body 1, and the end surface of the heat sink body 1 is perpendicular to the circumferential direction of the heat sink body 1.
When the exciter rectifying ring radiating fin is practically applied, the exciter rectifying ring radiating fin mainly comprises a radiating fin body 1 and radiating teeth 11, the whole structure is simple, the radiating fin body 1 is in an arc shape, and the radiating teeth 11 are in an arc-shaped sheet structure, so that the exciter rectifying ring radiating fin can be machined by a lathe and is convenient to machine, and the radiating teeth 11 can better radiate heat.
Example two:
the embodiment discloses a processing method for processing the exciter rectifier ring radiating fin, which comprises the following steps:
s1, blanking
Processing the raw materials that is used for processing exciter rectifier ring fin into the block structure that the cross-section is isosceles trapezoid, forming blank 2, specifically, with a rectangular shape square stock that the cross-section is the rectangle, through the cutting, form the state as shown in fig. 3, can obtain a plurality of blanks 2, with rectangular shape square stock vertical cut among the prior art, form a plurality of shorter cuboid square stocks, the reducible cutting output that adds man-hour of this unloading mode, resources are saved.
S2, drilling
A blank 2 is drilled to form a process hole 12, said process hole 12 being perpendicular to the isosceles trapezoidal section of the blank 2, i.e. in the condition shown in figure 2.
S3, mounting the disc
The disc 3 is installed on the lathe spindle, the disc 3 is perpendicular to the lathe spindle, the circle center of the disc 3 coincides with the lathe spindle, specifically, as shown in fig. 5, a mounting handle 32 is vertically arranged at the circle center of one side of the disc 3, the mounting handle 32 is cylindrical and is used for being installed on a three-jaw chuck of the lathe spindle, the disc 3 is installed on the lathe spindle, and the mounting handle 32 and the disc 3 can be fixed in a welding mode or a bolt connection mode.
As shown in fig. 4, a plurality of mounting holes 31 corresponding to the fabrication holes 12 of the blank 2 are formed in the disk 3, the mounting holes 31 are distributed along the circumferential direction of the disk 3, further, the mounting holes 31 in the disk 3 are arranged in groups, each group includes two mounting holes 31 distributed along the circumferential direction, the two mounting holes 31 in each group correspond to the two fabrication holes 12 in one blank 2 one by one, the mounting holes 31 in each group are uniformly distributed along the circumferential direction of the disk 3, and as shown in fig. 4, 10 groups of mounting holes 31 are formed.
S4, clamping blank
As shown in fig. 6, a plurality of blanks 2 are installed on the disc 3 in a circular distribution manner, the corresponding surfaces of the upper bases of the isosceles trapezoids on the blanks 2 face inward and are perpendicular to the radial direction of the disc 3, the corresponding surfaces of the lower bases of the isosceles trapezoids on the blanks 2 face outward, and the distances between the centers of circles of the blanks 2 and the disc 3 are equal, in this embodiment, 10 blanks 2 are respectively installed on 10 groups of installation holes 31 through bolts, because the lengths of exciter rectifier ring cooling fins of different specifications are different, the blanks 2 in fig. 6 can also be lengthened, so that the adjacent blanks 2 are contacted, and the final machined state is as shown in fig. 7.
Further, when installing blank 2, also can set up a packing ring between blank 2 and disc 3, the packing ring is the ring shape, sets up the through-hole with mounting hole 31 one-to-one on it, supplies the bolt to pass, and the packing ring is the becket, and the width of packing ring is less than the radial thickness of fin body 1 to after guaranteeing the installation, the packing ring can be heightened with blank 2, and can not interfere 2 turning inner circles and excircles of blank, guarantee that 2 inside and outside turning of blank goes on smoothly.
S5, lathe machining
As shown in fig. 7, the lathe drives the disc 3 and the plurality of blanks 2 mounted on the disc 3 to rotate, and the inner and outer surfaces of the blanks 2 are turned to form the heat dissipation fin body 1 and the heat dissipation teeth 11.
After the turning is completed, the exciter rectifying ring radiating fins formed by the turning are detached, then the exciter rectifying ring radiating fins can be polished, and then the corners at two ends of the radiating teeth 11 can be chamfered, and the steps S4 and S5 are repeated.
When the exciter rectifier ring radiating fin is machined by the machining method, the plurality of blanks 2 can be simultaneously arranged on the lathe by relying on the disc 3 through one-time clamping, the lathe drives the disc 3 and the plurality of blanks 2 arranged on the disc 3 to rotate, all the blanks 2 can be simultaneously turned through one-circle rotation, and the exciter rectifier ring radiating fin can be formed by turning due to the fact that the structure comprises the arc-shaped radiating fin body 1 and the radiating teeth 11 of the arc-shaped sheet structure, machining is convenient, machining center single machining is not needed, machining efficiency is greatly improved, and machining cost is low.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an exciter rectifier ring fin which characterized in that: the radiating fin comprises a circular-arc-shaped radiating fin body (1), wherein a plurality of radiating teeth (11) distributed along the axial direction of the radiating fin body (1) are arranged on the outer side of the radiating fin body, and the radiating teeth (11) are of circular-arc-shaped sheet structures.
2. The exciter rectifier ring fin of claim 1, wherein: the radiating fin body (1) is at least provided with two process holes (12), and the process holes (12) are parallel to the axial direction of the radiating fin body (1).
3. The exciter rectifying ring heat sink of claim 2, wherein: the fabrication hole (12) is a threaded hole.
4. The exciter rectifier ring heat sink of claim 1, wherein: the radiating fin comprises a radiating fin body (1), and is characterized in that a boss (13) is arranged on the outer side of the radiating fin body (1), and radiating teeth (11) are located on the boss (13).
5. The exciter rectifier ring heat sink of claim 4, wherein: the boss (13) is located at the axial middle position of the outer side of the radiating fin body (1).
6. The exciter rectifier ring fin of claim 1, wherein: the distances between two adjacent radiating teeth (11) are equal.
7. The exciter rectifier ring heat sink of claim 1, wherein: corners at two ends of the heat dissipation teeth (11) are chamfered.
8. The exciter rectifier ring fin of claim 1, wherein: the outer side edge of the heat dissipation tooth (11) is arc-shaped.
9. The exciter rectifier ring heat sink of claim 1, wherein: the end parts of the radiating teeth (11) are flush with the end face of the radiating fin body (1), and the end face of the radiating fin body (1) is perpendicular to the circumferential direction of the radiating fin body (1).
10. A method of machining exciter commutator fins according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, blanking
Processing a raw material for processing a radiating fin of a rectifier ring of an exciter into a block-shaped structure with an isosceles trapezoid cross section to form a blank (2);
s2, drilling
Drilling a hole on the blank (2) to form a process hole (12), wherein the process hole (12) is vertical to the isosceles trapezoid cross section of the blank (2);
s3, mounting the disc
A disc (3) is mounted on a lathe spindle, the disc (3) is perpendicular to the lathe spindle, the circle center of the disc (3) is overlapped with the lathe spindle, a plurality of mounting holes (31) corresponding to the process holes (12) of the blank (2) are formed in the disc (3), and the mounting holes (31) are distributed along the circumferential direction of the disc (3);
s4, clamping blank
A plurality of blanks (2) are arranged on the disc (3) in a circular distribution mode, the corresponding surfaces of the upper bottoms of the isosceles trapezoids on the blanks (2) face towards the inner side and are perpendicular to the radial direction of the disc (3), the corresponding surfaces of the lower bottoms of the isosceles trapezoids on the blanks (2) face towards the outer side, and the distance between the circle centers of the blanks (2) and the disc (3) is equal;
s5, lathe machining
The lathe drives the disc (3) and a plurality of blanks (2) arranged on the disc (3) to rotate, and the inner surface and the outer surface of each blank (2) are turned to form a radiating fin body (1) and radiating teeth (11);
and (4) after turning is finished, detaching the turned exciter rectifying ring radiating fins, and repeating the steps S4 and S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211105806.8A CN115415759A (en) | 2022-09-09 | 2022-09-09 | Exciter rectifying ring radiating fin and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211105806.8A CN115415759A (en) | 2022-09-09 | 2022-09-09 | Exciter rectifying ring radiating fin and processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115415759A true CN115415759A (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211105806.8A Pending CN115415759A (en) | 2022-09-09 | 2022-09-09 | Exciter rectifying ring radiating fin and processing method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274446Y (en) * | 2008-10-10 | 2009-07-15 | 南京汽轮电机(集团)有限责任公司 | Rectifying ring for brushless excitation machine |
| CN202334217U (en) * | 2011-12-07 | 2012-07-11 | 山东齐鲁电机制造有限公司 | High-rotation-speed brushless exciter rectifying device |
| JP2014036460A (en) * | 2012-08-07 | 2014-02-24 | Toshiba Corp | Rotary electric machine and rotary rectifier |
| US20140151010A1 (en) * | 2012-12-03 | 2014-06-05 | Tyco Electronics Corporation | Heat sink |
| US20150090435A1 (en) * | 2013-09-29 | 2015-04-02 | Huawei Technologies Co., Ltd. | Support plateheat dissipation apparatus |
| CN205852358U (en) * | 2016-08-01 | 2017-01-04 | 咸阳盛翼机械制造有限公司 | A kind of mounting tool of multiple large radius arc faces class part vehicle processing simultaneously |
| CN209710564U (en) * | 2018-12-04 | 2019-11-29 | 广东智科精创科技股份有限公司 | A kind of new radiator |
| CN114123610A (en) * | 2021-12-02 | 2022-03-01 | 南昌三瑞智能科技有限公司 | Improve iron core temperature distribution's forced air cooling fin in motor |
-
2022
- 2022-09-09 CN CN202211105806.8A patent/CN115415759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274446Y (en) * | 2008-10-10 | 2009-07-15 | 南京汽轮电机(集团)有限责任公司 | Rectifying ring for brushless excitation machine |
| CN202334217U (en) * | 2011-12-07 | 2012-07-11 | 山东齐鲁电机制造有限公司 | High-rotation-speed brushless exciter rectifying device |
| JP2014036460A (en) * | 2012-08-07 | 2014-02-24 | Toshiba Corp | Rotary electric machine and rotary rectifier |
| US20140151010A1 (en) * | 2012-12-03 | 2014-06-05 | Tyco Electronics Corporation | Heat sink |
| US20150090435A1 (en) * | 2013-09-29 | 2015-04-02 | Huawei Technologies Co., Ltd. | Support plateheat dissipation apparatus |
| CN205852358U (en) * | 2016-08-01 | 2017-01-04 | 咸阳盛翼机械制造有限公司 | A kind of mounting tool of multiple large radius arc faces class part vehicle processing simultaneously |
| CN209710564U (en) * | 2018-12-04 | 2019-11-29 | 广东智科精创科技股份有限公司 | A kind of new radiator |
| CN114123610A (en) * | 2021-12-02 | 2022-03-01 | 南昌三瑞智能科技有限公司 | Improve iron core temperature distribution's forced air cooling fin in motor |
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