CN213461291U - Groove type claw pole structure of hybrid excitation generator - Google Patents

Groove type claw pole structure of hybrid excitation generator Download PDF

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Publication number
CN213461291U
CN213461291U CN202022453693.3U CN202022453693U CN213461291U CN 213461291 U CN213461291 U CN 213461291U CN 202022453693 U CN202022453693 U CN 202022453693U CN 213461291 U CN213461291 U CN 213461291U
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CN
China
Prior art keywords
back plate
shaped back
boss
claw
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN202022453693.3U
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Chinese (zh)
Inventor
范小瑞
王蕾
白洪恩
杜安安
华天泽
吴康
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Nanjing Vocational University of Industry Technology NUIT
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Nanjing Vocational University of Industry Technology NUIT
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Priority to CN202022453693.3U priority Critical patent/CN213461291U/en
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Publication of CN213461291U publication Critical patent/CN213461291U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a groove type claw pole structure of a hybrid excitation generator, which comprises a cold extrusion forging formed boss, wherein a plurality of transverse webs which are integrally forged are arranged outside the boss, and vertical claws which are integrally forged are fixedly arranged at the top ends of the transverse webs; the vertical claw comprises an L-shaped back plate which is obliquely and fixedly connected with the top of the transverse abdomen, the width of one end of the L-shaped back plate is smaller than that of the other end of the L-shaped back plate, two wing plates which are opposite in position are fixedly arranged on the inner side of the L-shaped back plate, and a placing groove for mounting a permanent magnet is formed between the outer side of each wing plate and the outer side of the L-shaped back plate. The claw pole is produced by seven manufacturing processes of hot forging, heat treatment, sand blasting, shaping, phosphorization saponification, cold extrusion groove and cleaning package, compared with the original process, the method has the core that the original milling groove is changed into cold extrusion one-step forming, the investment of special equipment is reduced, the existing equipment of an enterprise is only utilized, the large-batch rapid production of the claw pole can be realized, and the market competitiveness is improved.

Description

Groove type claw pole structure of hybrid excitation generator
Technical Field
The utility model relates to a generator accessory field specifically is a can mix excitation generator slot type claw utmost point structure.
Background
With the continuous promotion of the power consumption and the energy-saving and emission-reducing requirements of modern automobiles, a hybrid excitation generator with high output power, high efficiency, small volume and light weight is the key direction of industry research and development. The mixed excitation claw pole generator is provided with the permanent magnet on the claw pole, so that the problem that the volume and the weight are synchronously increased due to the fact that the winding coil is additionally arranged originally is solved, but the traditional claw pole structure has the defects that the permanent magnet is unstable to place and has no positioning reference. Therefore, it is urgent to develop a slot-type claw pole as a key component of a hybrid excitation generator to industrialize the hybrid excitation generator.
However, the existing groove-type claw pole groove is processed by adopting a four-axis milling machine and a special milling cutter, and the process has the outstanding problems of high milling cutter, easy abrasion, low processing efficiency, large equipment investment, high production cost and the like. Therefore, it is urgently needed to provide a technology for replacing a milled groove-type claw pole hot forging and cold extrusion forming finished piece, and to achieve the aim of low-cost and high-efficiency mass industrial production of the groove-type claw pole of the hybrid excitation generator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can mix excitation generator slot type claw utmost point structure to solve the processing of the traditional current slot type claw utmost point groove that above-mentioned background art provided and adopt four-axis milling machine and special milling cutter, this technology exists that milling cutter is expensive easily to wear and easily decreases, machining efficiency is low, equipment investment is big, outstanding problem such as manufacturing cost height.
In order to achieve the above object, the utility model provides a following technical scheme:
a groove type claw pole structure of a hybrid excitation generator comprises a boss formed by cold extrusion forging, wherein a plurality of transverse webs formed by integral forging are arranged on the outer side of the boss, and vertical claws formed by integral forging are fixedly arranged at the top ends of the transverse webs;
the vertical claw comprises an L-shaped back plate which is fixedly connected with the top of the transverse abdomen in an inclined mode, the width of one end of the L-shaped back plate is smaller than that of the other end of the L-shaped back plate, two wing plates which are opposite in position are fixedly arranged on the inner side of the L-shaped back plate, and a placing groove for mounting the permanent magnet is formed in the outer side of each wing plate and the outer side of the L-shaped back plate.
In order to make the slot type claw utmost point can quick integral type forge cold extrusion shaping, conduct the utility model relates to an it is preferred, boss, horizontal abdomen and perpendicular claw cold extrusion forging shaping as an organic whole, just the middle part of boss still is equipped with the trompil that supplies the rotor shaft to alternate the connection.
In order to make it possible to fix and install the permanent magnet fast, as the utility model relates to an it is preferable that, the size of standing groove is: thickness 1mm, width 2mm, height 25 mm.
In order to make and avoid the interelectrode magnetic leakage to appear, as the utility model relates to an it is preferred, violently the abdomen with erect the claw and be six, and violently the abdomen with erect claw equidistance and distribute in the outside of boss.
In order to reduce the influence of material flow distribution on the forging forming in the groove type claw pole forging process, the lug boss, the transverse web and the vertical claw are preferably made of QD08 steel.
Compared with the prior art, the beneficial effects of the utility model are that:
the claw pole is produced by seven manufacturing processes of hot forging, heat treatment, sand blasting, shaping, phosphorization saponification, cold extrusion, cleaning and packaging, compared with the original process, the core of the method is that the original milling processing groove is changed into cold extrusion one-step forming, the investment of special equipment is reduced, only the existing equipment of an enterprise is utilized, the large-batch fast production of the claw pole can be realized, the market competitiveness is improved, a good technical guarantee is provided for large-scale popularization and utilization of a mixed excitation generator assembled by the novel groove-shaped claw pole, the problem that the volume and the weight are synchronously increased due to the fact that the winding coil is increased is solved, meanwhile, the permanent magnet is placed in the placing groove more stably, and the stable operation of the generator is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention.
In the figure: 1. a boss; 11. transverse abdomen; 12. opening a hole; 2. a vertical claw; 21. an L-shaped back plate; 22. a wing plate; 23. and (6) placing the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a groove type claw pole structure of a hybrid excitation generator comprises a boss 1 formed by cold extrusion forging, a plurality of transverse webs 11 formed by integral forging are arranged on the outer side of the boss 1, and vertical claws 2 formed by integral forging are fixedly arranged at the top ends of the transverse webs 11;
the vertical claw 2 comprises an L-shaped back plate 21 which is obliquely and fixedly connected with the top of the transverse web 11, the width of one end of the L-shaped back plate 21 is smaller than that of the other end, two wing plates 22 which are opposite in position are fixedly arranged on the inner side of the L-shaped back plate 21, and a placing groove 23 for mounting a permanent magnet is formed in the outer sides of the wing plates 22 and the outer side of the L-shaped back plate 21.
In this embodiment: the boss 1, the transverse web 11 and the vertical claw 2 are formed by cold extrusion forging as a whole, and the middle part of the boss 1 is also provided with a hole 12 for inserting and connecting the rotor shaft.
Specifically, the forged piece adopting the cold extrusion technology has the advantages of standard shape and high dimensional precision, can realize the refinement of the forged piece, improve the product quality, save raw materials, reduce the product cost, realize the mechanization, automation and other aspects of the forging process, and has a plurality of advantages, and one groove type claw pole can save the cost by 1 EUR, the claw pole cost is reduced by 30 percent, and the production efficiency is improved by more than 5 times; on the other hand, the manufacturing experience of thin-rib forgings with fine structures can be accumulated by enterprises, a foundation is laid for later development and development of the forgings, and a good technical guarantee is provided for large-scale popularization and utilization of the hybrid excitation generator assembled by the novel groove-shaped claw poles.
In this embodiment: the dimensions of the placement groove 23 are: thickness 1mm, width 2mm, height 25 mm.
Specifically, the permanent magnet can be quickly installed in the placing groove 23, and the magnetic leakage phenomenon between poles is reduced.
In this embodiment: the number of the transverse webs 11 and the number of the vertical claws 2 are six, and the transverse webs 11 and the vertical claws 2 are equidistantly distributed on the outer side of the boss 1.
In particular, the transverse web 11 and the vertical claw 2 can be integrally cold-extruded and forged with the boss 1, the production cost of the groove-shaped claw pole is reduced, and the placing groove 23 can be formed in one step.
In this embodiment: the boss 1, the cross web 11 and the upright 2 are made of QD08 steel.
Specifically, a Gleeble thermal simulation testing machine is adopted, and the temperature is 1000 ℃, 1100 ℃, 1150 ℃ and 1200 ℃; strain rate: 0.1s-1、1s-1、5s-1、10s-1Under experimental conditions, the high-temperature deformation behavior of the groove type claw pole material is researched, a QD08 steel high-temperature constitutive equation and a hot working diagram are established, the microstructure evolution law is researched, and the hot forging forming process parameters of the claw pole material are optimized on the basis of the microstructure evolution law;
constructing a groove type claw pole hot forging forming uniformity mathematical model based on QD08 steel high-temperature deformation behavior; based on a rigid-plastic thermal coupling finite element method and combined with a high-temperature constitutive equation of QD08 steel, the influence factors of the material flow distribution rule and the forge piece forming defect in the hot forging process of the groove type claw pole are researched, on the basis of the theory, the structure of the cold extrusion groove type claw pole die is optimized, and the groove type claw pole can be integrally processed and formed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made without departing from the spirit and scope of the invention.

Claims (5)

1. A groove type claw pole structure of a hybrid excitation generator comprises a boss (1) formed by cold extrusion forging, and is characterized in that a plurality of transverse webs (11) formed by integral forging are arranged on the outer side of the boss (1), and vertical claws (2) formed by integral forging are fixedly arranged at the top ends of the transverse webs (11);
the vertical claw (2) comprises an L-shaped back plate (21) which is obliquely and fixedly connected with the top of the transverse abdomen (11), one end width of the L-shaped back plate (21) is smaller than that of the other end, two wing plates (22) which are opposite in position are fixedly arranged on the inner side of the L-shaped back plate (21), and a placing groove (23) for mounting a permanent magnet is formed between the outer side of each wing plate (22) and the outer side of the L-shaped back plate (21).
2. The hybrid excitation generator slot type claw-pole structure of claim 1, wherein: the rotor shaft is characterized in that the boss (1), the transverse web (11) and the vertical claw (2) are formed by cold extrusion forging into a whole, and an opening (12) for inserting and connecting the rotor shaft is further formed in the middle of the boss (1).
3. The hybrid excitation generator slot type claw-pole structure of claim 1, wherein: the size of the placing groove (23) is as follows: thickness 1mm, width 2mm, height 25 mm.
4. The hybrid excitation generator slot type claw-pole structure of claim 1, wherein: the transverse abdomen (11) and the vertical claws (2) are six, and the transverse abdomen (11) and the vertical claws (2) are equidistantly distributed on the outer side of the boss (1).
5. The hybrid excitation generator slot type claw-pole structure of claim 4, wherein: the boss (1), the transverse web (11) and the vertical claw (2) are made of QD08 steel.
CN202022453693.3U 2020-10-29 2020-10-29 Groove type claw pole structure of hybrid excitation generator Expired - Fee Related CN213461291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022453693.3U CN213461291U (en) 2020-10-29 2020-10-29 Groove type claw pole structure of hybrid excitation generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022453693.3U CN213461291U (en) 2020-10-29 2020-10-29 Groove type claw pole structure of hybrid excitation generator

Publications (1)

Publication Number Publication Date
CN213461291U true CN213461291U (en) 2021-06-15

Family

ID=76296994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022453693.3U Expired - Fee Related CN213461291U (en) 2020-10-29 2020-10-29 Groove type claw pole structure of hybrid excitation generator

Country Status (1)

Country Link
CN (1) CN213461291U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210615

Termination date: 20211029