CN105720715A - Claw pole hot forging part and manufacturing method of claw pole - Google Patents
Claw pole hot forging part and manufacturing method of claw pole Download PDFInfo
- Publication number
- CN105720715A CN105720715A CN201610246463.5A CN201610246463A CN105720715A CN 105720715 A CN105720715 A CN 105720715A CN 201610246463 A CN201610246463 A CN 201610246463A CN 105720715 A CN105720715 A CN 105720715A
- Authority
- CN
- China
- Prior art keywords
- pawl
- pole
- hot forging
- claw pole
- root
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
- H02K1/243—Rotor cores with salient poles ; Variable reluctance rotors of the claw-pole type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
Abstract
The invention provides a claw pole hot forging part and a manufacturing method of a claw pole, and belongs to the technical field of motors. According to the claw pole hot forging part and the manufacturing method of the claw pole, the problem of loud noise of an existing claw pole motor is solved. According to the claw pole hot forging part, a claw pole forming part comprises a support part and multiple claw pole fingers which are uniformly distributed along the circumference of the axial line of the support part; the claw pole fingers are connected with the support part through claw pole finger roots; and each claw pole finger root of the claw pole hot forging part is provided with a material reinforcing part at the periphery, with respect to each claw pile finger root of the claw pole forming part. Through the claw pole hot forging part and the manufacturing method of the claw pole, as metal of each claw pole finger root is deformed, the metal density is improved and a cold hardening effect is generated, hardness and mechanical intensity of the claw pole finger roots of the claw pole forming part are further improved significantly, and the vibration frequency is further changed. Experiments prove that the noise of the claw pole motor adopting the claw pole can be reduced at least for 5 decibels.
Description
Technical field
The invention belongs to technical field of motors, relate to a kind of claw-pole motor, particularly a kind of very hot forging of pawl.
The invention belongs to technical field of motors, relate to a kind of claw-pole motor, the particularly manufacture method of a kind of pawl pole.
Background technology
Motor, as the driving equipment converted electric energy into as mechanical energy output, is widely used in the fields such as industry, household electrical appliances, automobile.Wherein, claw-pole motor, due to the advantage such as have that infrastructure cost is low and drive circuit is simple, has a wide range of applications at automotive field.
Pawl pole is one of core component of claw-pole motor, pawl pole as shown in Figure 1, and this claw-pole structure is relatively simple, and existing manufacture method is direct hot-forging forming.The claw-pole motor with pawl pole as shown in Figure 1 also exists the big deficiency of noise.
Summary of the invention
The present invention proposes a kind of very hot forging of pawl, and the technical problem to be solved in the present invention is how to reduce the noise of claw-pole motor.
The present invention proposes the manufacture method of a kind of pawl pole, and the technical problem to be solved in the present invention is how to reduce the noise of claw-pole motor.
Solving the technical problem that of the present invention can be realized by following technical proposal: the very hot forging of this pawl, pawl pole profiled member includes support portion and refers to along the equally distributed pawl pole of axial line circumference of support portion with several, and pawl pole refers to refer to that root is connected by pawl pole between support portion；It is characterized in that, the pawl pole of the very hot forging of pawl refers to relative to the pawl pole of pawl pole profiled member, root refers to that root has material increase portion in periphery.
The manufacture method of this pawl pole step in the following order carries out: first, the very hot forging of pawl that hot-forging forming is above-mentioned；Then the very hot forging of pawl is carried out cold extrusion pretreatment；Finally the very hot forging of pawl through cold extrusion pretreatment is put into cold extrusion molding mould and carry out cold extrusion shaped, obtain pawl pole profiled member；The cold extrusion shaped pawl pole making the very hot forging of pawl refers to that root pressed volume reduces and material increase portion disappears.
Compared with prior art, by the pawl pole that the manufacture method of the very hot forging of above-mentioned pawl and pawl pole makes, owing to pawl pole refers to that root metal deforms, density metal improves and produces flow harden effect, and then the pawl pole significantly improving pawl pole profiled member refers to root hardness and mechanical strength, and then change frequency of vibration, through experimental test, adopt the noise of the claw-pole motor of this pawl pole at least can decline 5 decibels.
Accompanying drawing explanation
Fig. 1 is the perspective view of pawl pole profiled member.
Fig. 2 is the perspective view of the very hot forging of pawl.
Fig. 3 is sectional structure schematic diagram after the very hot forging of pawl and cold-pressing deformation.
Fig. 4 is the structural representation of embodiment three.
In figure, 1, support portion；1a, end face；2, pawl pole refers to；2a, internal face；2b, lateral surface；3, pawl pole refers to root；3a, material increase portion.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in figures 1 and 3, pawl pole profiled member includes support portion 1 and several refer to 2 along the equally distributed pawl pole of axial line circumference of support portion 1, and Figure of description provides pawl pole and refers to that the quantity of 2 is 6.Each pawl pole refers to refer to that root 3 is connected each through pawl pole between 2 with support portion 1.Pawl pole refers to have inside root 3 filleted corner R1, and namely pawl pole refers between the internal face 2a of 2 and the end face 1a of support portion 1 by filleted corner R1 transition；Pawl pole refer to 2 two lateral surface 2b and pawl pole refer to be respectively provided with side fillet R3 between the end face 1a of root 3.Filleted corner R1 is identical with side fillet R3；The radius of filleted corner R1 and side fillet R3 is 1.5～2.5.
Embodiment one
Such as Fig. 2 and Fig. 3, the very hot forging of this pawl is essentially identical with the structure of pawl pole profiled member, and different place is in that: in the very hot forging of pawl, the radius of filleted corner R2 is more than the radius of filleted corner R1 in the profiled member of pawl pole, and the radius of filleted corner R2 is 4.5～7.So, the pawl pole of the very hot forging of pawl refers to relative to the pawl pole of pawl pole profiled member, root 3 refers to that root 3 forms material increase portion 3a in outside.Filleted corner in the dotted line signal very hot forging of pawl in Fig. 3, the cross section that region is material increase portion 3a filled by two-wire.
The manufacture method of this pawl pole step in the following order carries out, first, and the very hot forging of pawl that hot-forging forming is above-mentioned.
Then, then the very hot forging of pawl is carried out cold extrusion pretreatment；Cold extrusion pretreatment is followed successively by heat treatment and adjusts hardness and the grain size of the very hot forging of pawl, ball blast removes the oxide skin on the very hot forging surface of pawl, shaping makes pawl very hot forging shape coincidence higher, ensure that the very hot forging of pawl all can put into cold extrusion molding mould, phospholeum makes the very hot forging surface of pawl form phospholeum layer, improves the service life of cold extrusion molding mould.
Finally, the very hot forging of pawl through cold extrusion pretreatment is put into cold extrusion molding mould and carries out cold extrusion shaped, obtain pawl pole profiled member；The cold extrusion shaped pawl pole making the very hot forging of pawl refers to that root 3 pressed volume reduces and material increase portion 3a disappears.
Embodiment two
The present embodiment is essentially identical with structure and the principle of embodiment one, essentially identical part no longer burden describes, different place is only described, different place is in that: as shown in Figure 2, in the very hot forging of pawl, the radius of side fillet R4 is more than the radius of side fillet R3 in the profiled member of pawl pole, and the radius of side fillet R4 is 4.5～7.So, the pawl pole of the very hot forging of pawl refers to relative to the pawl pole of pawl pole profiled member, root 3 refers to that root 3 forms material increase portion 3a in outside.
Embodiment three
The present embodiment is essentially identical with structure and the principle of embodiment one, essentially identical part no longer burden describes, different place is only described, different place is in that: as shown in Figure 4, the pawl pole of the very hot forging of pawl refers to have chamfering inside root 3, namely pawl very hot forging median claw pole refers to that pawl very hot forging median claw pole refers to that the material increase portion 3a area of section outside root 3 is 2～3 by chamfered transition between the internal face 2a of 2 and the end face 1a of support portion 12.Chamfering in the dotted line signal very hot forging of pawl in Fig. 4, the cross section that region is material increase portion 3a filled by two-wire.
Embodiment four
The present embodiment is essentially identical with structure and the principle of embodiment two, essentially identical part no longer burden describes, different place is only described, different place is in that: the pawl pole of the very hot forging of pawl refers to that 3 liang of outsides of root have chamfering, namely pawl very hot forging median claw pole refer to 2 two lateral surface 2b and pawl pole refer to chamfered transition between the end face 1a of root 3, pawl very hot forging median claw pole refers to that the material increase portion 3a area of section outside root 3 is 2～32。
Claims (9)
1. the very hot forging of pawl, pawl pole profiled member include support portion (1) and several along support portion (1) axial line circumference equally distributed pawl pole refer to (2), pawl pole refers to refer to that root (3) is connected by pawl pole between (2) with support portion (1)；It is characterized in that, the pawl pole of the very hot forging of pawl refers to relative to the pawl pole of pawl pole profiled member, root (3) refers to that root (3) has material increase portion (3a) in periphery.
2. the very hot forging of pawl according to claim 1, it is characterized in that, the pawl pole of described pawl pole profiled member refers to that root (3) inner side has filleted corner R1, and pawl very hot forging median claw pole refers to that the radius of root (3) filleted corner R2 is more than the radius of filleted corner R1 in the profiled member of pawl pole.
3. the very hot forging of pawl according to claim 1, it is characterised in that the pawl pole of the very hot forging of described pawl refers to that root (3) inner side has chamfering.
4. the very hot forging of pawl according to Claims 2 or 3, it is characterised in that described pawl very hot forging median claw pole refers to that material increase portion (3a) area of section of root (3) inner side is 2～32。
5. the very hot forging of pawl according to claim 1, it is characterized in that, profiled member median claw pole, described pawl pole refers to that two lateral surface (2b) of (2) and pawl pole refer to be respectively provided with side fillet R3 between the end face (1a) of root (3), and pawl very hot forging median claw pole refers to that two lateral surface (2b) of (2) and pawl pole refer to that the side fillet R4 radius having between the end face (1a) of root (3) is more than the radius of side fillet R3 in the profiled member of pawl pole.
6. the very hot forging of pawl according to claim 1, it is characterised in that the pawl pole of the very hot forging of described pawl refers to have chamfering outside root (3) two.
7. the very hot forging of pawl according to claim 5 or 6, it is characterised in that described pawl very hot forging median claw pole refers to that material increase portion (3a) area of section outside root (3) two is 2～32。
8. the manufacture method of a pawl pole, it is characterised in that the manufacture method of this pawl pole step in the following order carries out,
First the very hot forging of pawl described in any one in hot-forging forming claim 1 to 7；
Then, then the very hot forging of pawl is carried out cold extrusion pretreatment；
Finally the very hot forging of pawl through cold extrusion pretreatment is put into cold extrusion molding mould and carry out cold extrusion shaped, obtain pawl pole profiled member；The cold extrusion shaped pawl pole making the very hot forging of pawl refers to that root (3) pressed volume reduces and material increase portion (3a) disappears.
9. the manufacture method of pawl pole according to claim 8, it is characterised in that described cold extrusion pretreatment is followed successively by heat treatment, ball blast, shaping and phospholeum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246463.5A CN105720715B (en) | 2016-04-19 | 2016-04-19 | The production method of pawl pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246463.5A CN105720715B (en) | 2016-04-19 | 2016-04-19 | The production method of pawl pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105720715A true CN105720715A (en) | 2016-06-29 |
| CN105720715B CN105720715B (en) | 2018-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610246463.5A Active CN105720715B (en) | 2016-04-19 | 2016-04-19 | The production method of pawl pole |
Country Status (1)
| Country | Link |
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| CN (1) | CN105720715B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220068512A (en) * | 2020-11-19 | 2022-05-26 | 보그워너피디에스창녕 유한회사 | Manufacturing method of roter with forged slot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1471622A1 (en) * | 2003-04-16 | 2004-10-27 | Hitachi, Ltd. | Manufacturing method of a rotor core |
| CN101386120A (en) * | 2008-10-23 | 2009-03-18 | 海盐猛凌汽车配件有限公司 | Forming method of automobile generator claw pole |
| CN104493442A (en) * | 2014-12-04 | 2015-04-08 | 汪超 | Automobile generator claw pole and manufacturing process thereof |
| CN205496493U (en) * | 2016-04-19 | 2016-08-24 | 台州市百达电器有限公司 | Claw utmost point forge hot piece |
-
2016
- 2016-04-19 CN CN201610246463.5A patent/CN105720715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1471622A1 (en) * | 2003-04-16 | 2004-10-27 | Hitachi, Ltd. | Manufacturing method of a rotor core |
| EP1471622B1 (en) * | 2003-04-16 | 2007-05-30 | Hitachi, Ltd. | Manufacturing method of a rotor core |
| CN101386120A (en) * | 2008-10-23 | 2009-03-18 | 海盐猛凌汽车配件有限公司 | Forming method of automobile generator claw pole |
| CN104493442A (en) * | 2014-12-04 | 2015-04-08 | 汪超 | Automobile generator claw pole and manufacturing process thereof |
| CN205496493U (en) * | 2016-04-19 | 2016-08-24 | 台州市百达电器有限公司 | Claw utmost point forge hot piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220068512A (en) * | 2020-11-19 | 2022-05-26 | 보그워너피디에스창녕 유한회사 | Manufacturing method of roter with forged slot |
| KR102505308B1 (en) | 2020-11-19 | 2023-03-06 | 보그워너창녕 유한책임회사 | Manufacturing method of roter with forged slot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105720715B (en) | 2018-06-05 |
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