CN103042149B - Claw pole forging mould of forged type automobile generator and forging method - Google Patents
Claw pole forging mould of forged type automobile generator and forging method Download PDFInfo
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- CN103042149B CN103042149B CN201210546236.6A CN201210546236A CN103042149B CN 103042149 B CN103042149 B CN 103042149B CN 201210546236 A CN201210546236 A CN 201210546236A CN 103042149 B CN103042149 B CN 103042149B
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- claw pole
- automobile generator
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Abstract
The invention provides a claw pole forging mould of a forged type automobile generator. The claw pole forging mould comprises an upper mould and a lower mould both of which are matched mutually and respectively fixed on an upper mould base and a lower mould base, wherein a concave cavity A is arranged at the top part of the lower mould; the cavity A matches with the appearance of an end cover of the claw pole; the depth of the cavity A is greater than the thickness of the end cover; a lug boss protruding out of a bottom surface is arranged at the center of the bottom surface of the upper mould; the height of the lug boss is smaller than the depth of the cavity A; the appearance of the lug boss matches with the cavity A; the upper mould is provided with a cavity B matching with the claw part of the claw pole; and the shape of the cavity B after being combined with the cavity A is as same as the appearance of the claw pole. Meanwhile, the invention also provides a forging method for forging the claw pole of the automobile generator. The technical scheme provided by the invention combines open forging with closed forging, so that the claw pole of the automobile generator in accordance with requirements can be forged for once.
Description
Technical field
The invention provides a kind of mould forging automobile generator claw pole, be specially a kind of one and be swaged into pattern forging mold, the present invention additionally provides one simultaneously and is swaged into pattern forging method.
Background technology
Automobile current generator is the main power source of automobile, and its function is when normal working of engine, powers to all electrical equipments, simultaneously to charge in batteries.And most important parts surely belong to rotor in automobile current generator, the function of automobile generator rotor produces rotating excitation field.Rotor is generally made up of pawl pole, yoke, magnetic field winding, collector ring, armature spindle, armature spindle press-fits two pieces of pawl poles, and two pieces of pawls extremely respectively have six beak shape magnetic poles, and pawl pole cavity is built with magnetic field winding (rotor coil) and yoke.Automobile generator claw pole is precise part, therefore higher to the requirement of its forging product, and the forging at present for pawl pole adopts open type to forge mostly, also has some producers to adopt closed-die forging, and open type forging and closed-die forging respectively have its pluses and minuses.It is shaping that claw is convenient in the forging of its middle open type, can ensure claw type size, but after its forging, overlap is thicker, especially inner 6R position, and thicker overlap affects following process and capability and performance; And closed-die forging non-trimming or overlap are seldom, are convenient to interior outer face forging molding, but but can not ensure the dimensional accuracy of six pole pawl magnetic chamferings.Also have part producer at present to ensure the quality of product, forging be divided into and carry out for twice, completed the forging of product, but this forging method working (machining) efficiency is lower by forge hot-warm extrusion or forge hot-cold-extruded two steps, energy consumption is higher simultaneously.
Summary of the invention
In order to solve the deficiency in above-mentioned background technology, the invention provides a kind of one and be swaged into pattern automobile generator claw pole forging mold, this mould solves the deficiency in background technology, and open type forging and closed-die forging combine by it, disposablely can forge satisfactory automobile generator claw pole.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
A kind of one is swaged into pattern automobile generator claw pole forging mold, comprise the upper die and lower die of the mutual coupling be separately fixed on upper bolster and die shoe, wherein the top of counterdie is provided with the die cavity A of depression, described die cavity A and the end cap profile of pawl pole match, and the degree of depth of described die cavity A is greater than the thickness of end cap; The center of the bottom surface of patrix is provided with the boss protruding from bottom surface, the height of described boss is less than the degree of depth of die cavity A, and the profile of boss and die cavity A match, patrix is provided with the die cavity B matched with the claw of pawl pole, and the shape after die cavity B combines with die cavity A is identical with the profile of pawl pole; Patrix can move to down and contact with counterdie under the effect of forcing press, and now boss is positioned at die cavity A under the effect of forcing press, and the side of boss contacts with counterdie and forms die joint A; The bottom surface of patrix contacts with the end face of counterdie and forms die joint B.
The large 2-5mm of ending cover thickness of the depth ratio pawl pole of described die cavity A.
The height of described boss is 2-5mm.
The present invention additionally provide simultaneously use for above-mentioned mould one be swaged into pattern forging automobile generator claw pole method, its step is as follows:
First blank intermediate-frequency heating furnace is heated to 1000-1100 DEG C, is then positioned on counterdie by blank, starting pressure machine, patrix moves downward, and blank is compressing, i.e. the blank of obtained pawl pole; Then by the cutting burrs on blank, and to after facing inside and outside end cap, i.e. obtained automobile generator claw pole.
Described heating-up temperature is 1050 DEG C.
In technical scheme provided by the invention, the bottom of patrix is provided with boss, when forging, boss is positioned at die cavity A under the effect of forcing press, and the side of boss contacts with counterdie and forms die joint A, and die joint A is positioned at die cavity A, therefore closed-die forging is formed between boss and die cavity A, die cavity A is when forging the end cap of pawl pole, and the overlap at the interior outer face of end cap and the circular arc place of end cap is very thin, and the turnery processing be easy in subsequent step carries out.Meanwhile, when forging, the bottom surface of patrix contacts with the end face of counterdie and forms die joint B, and die joint B is open, is communicated with die cavity B, therefore the open type that is forged to of claw is forged, and claw is easily shaping, and can ensure claw type size simultaneously.Adopt mould provided by the invention to forge, blank can disposable forging molding after heating.
Accompanying drawing explanation
Fig. 1 is the structural representation of patrix;
Fig. 2 is the structural representation of counterdie;
Fig. 3 is the overall structure schematic diagram of mould provided by the invention;
In figure: 1-patrix, 2-counterdie, 3-die cavity A, 4-die cavity B, 5-boss, 6-die joint B.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention.
There is provided in the present invention one is swaged into pattern automobile generator claw pole forging mold, is made up of the patrix 1 mutually mated and counterdie 2, and patrix 1 and counterdie 2 are separately fixed on upper bolster and die shoe.Wherein the structure of counterdie 2 as shown in Figure 2, and the top of counterdie 2 is provided with the die cavity A3 of depression, and described die cavity A3 and the end cap profile of pawl pole match, and the degree of depth of described die cavity A3 is greater than the thickness of end cap; The large 2-5mm of ending cover thickness of the depth ratio pawl pole of die cavity A3 in the present embodiment.The structure of patrix 1 as shown in Figure 1, the center of the bottom surface of patrix 1 is provided with the boss 5 protruding from bottom surface, the height of described boss 5 is less than the degree of depth of die cavity A3, the height of boss 5 is 2-5mm in the present embodiment, profile and the die cavity A3 of described boss 5 match, patrix 1 is provided with die cavity B4, and the shape after die cavity B4 combines with die cavity A3 is identical with the profile of pawl pole.
Patrix 1 and counterdie 2 are arranged on after on forcing press, patrix 1 moves to down and contacts with counterdie 2 under the effect of forcing press, as shown in Figure 3, now boss 5 is positioned at die cavity A3 under the effect of forcing press, the side of boss 5 contacts with counterdie and forms die joint A, and die joint A is positioned at die cavity A3, therefore closed-die forging is formed between boss and die cavity A, die cavity A is when forging the end cap of pawl pole, the overlap at the interior outer face of end cap and the circular arc place of end cap is very thin, and the turnery processing be easy in subsequent step carries out.Meanwhile, when forging, the bottom surface of patrix contacts with the end face of counterdie and forms die joint B6, and die joint B6 is open, is communicated with die cavity B, therefore the open type that is forged to of claw is forged, and claw is easily shaping, and can ensure claw type size simultaneously.
The present invention additionally provide simultaneously use for above-mentioned mould one be swaged into pattern forging automobile generator claw pole method, its step is as follows: first blank intermediate-frequency heating furnace is heated to 1000-1100 DEG C, be preferably 1050 DEG C.Then be positioned on counterdie by blank, starting pressure machine, patrix moves downward, disposable that blank is compressing, i.e. the blank of obtained pawl pole; Then by the cutting burrs on blank, and to after facing inside and outside end cap, i.e. obtained automobile generator claw pole.
Claims (5)
1. one kind one is swaged into pattern automobile generator claw pole forging mold, comprise the upper die and lower die of the mutual coupling be separately fixed on upper bolster and die shoe, it is characterized in that: wherein the top of counterdie is provided with the die cavity A of depression, described die cavity A and the end cap profile of pawl pole match, and the degree of depth of described die cavity A is greater than the thickness of end cap; The center of the bottom surface of patrix is provided with the boss protruding from bottom surface, the height of described boss is less than the degree of depth of die cavity A, and the profile of boss and die cavity A match, patrix is provided with the die cavity B matched with the claw of pawl pole, and the shape after die cavity B combines with die cavity A is identical with the profile of pawl pole; Patrix can move to down and contact with counterdie under the effect of forcing press, and now boss is positioned at die cavity A under the effect of forcing press, and the side of boss contacts with counterdie and forms die joint A; The bottom surface of patrix contacts with the end face of counterdie and forms die joint B.
2. according to claim 1 one be swaged into pattern automobile generator claw pole forging mold, it is characterized in that: the large 2-5mm of ending cover thickness of the depth ratio pawl pole of described die cavity A.
3. according to claim 1 one be swaged into pattern automobile generator claw pole forging mold, it is characterized in that: the height of described boss is 2-5mm.
4. one kind is swaged into the method for pattern forging automobile generator claw pole based on one of mould described in claim 1, it is characterized in that comprising the following steps: first blank intermediate-frequency heating furnace is heated to 1000-1100 DEG C, then blank is positioned on counterdie, starting pressure machine, patrix moves downward, blank is compressing, i.e. the blank of obtained pawl pole; Then by the cutting burrs on blank, and to after facing inside and outside end cap, i.e. obtained automobile generator claw pole.
5. according to claim 4 one be swaged into the method that pattern forges automobile generator claw pole, it is characterized in that: described heating-up temperature is 1050 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210546236.6A CN103042149B (en) | 2012-12-14 | 2012-12-14 | Claw pole forging mould of forged type automobile generator and forging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210546236.6A CN103042149B (en) | 2012-12-14 | 2012-12-14 | Claw pole forging mould of forged type automobile generator and forging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103042149A CN103042149A (en) | 2013-04-17 |
| CN103042149B true CN103042149B (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210546236.6A Active CN103042149B (en) | 2012-12-14 | 2012-12-14 | Claw pole forging mould of forged type automobile generator and forging method |
Country Status (1)
| Country | Link |
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| CN (1) | CN103042149B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018686B (en) * | 2015-07-24 | 2017-04-05 | 江苏龙城精锻有限公司 | The quick annealing method and equipment of generator claw pole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561983A (en) * | 1976-04-07 | 1980-03-05 | Lucas Industries Ltd | Polw claw member for a dynamo electric machine rotor |
| CN100349690C (en) * | 2005-10-28 | 2007-11-21 | 庄龙兴 | Pawl pole of automobile generator and its manufactura |
| CN200957441Y (en) * | 2006-08-28 | 2007-10-10 | 兴城市粉末冶金有限公司 | Disposable-ramming formation mould for electric-motor claw polar |
| CN201279569Y (en) * | 2008-10-23 | 2009-07-29 | 海盐猛凌汽车配件有限公司 | Automobile generator claw-pole closed type hot finish-forging die |
| CN102211268A (en) * | 2010-04-06 | 2011-10-12 | 金华市星普精锻汽配有限公司 | Manufacture process of automobile generator finish-forged claw pole capable of reducing noise |
| CN102179464B (en) * | 2011-03-25 | 2013-04-17 | 西安交通大学 | Process for forming generator claw pole of vehicle |
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2012
- 2012-12-14 CN CN201210546236.6A patent/CN103042149B/en active Active
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| CN103042149A (en) | 2013-04-17 |
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Address after: 438300 goods yard Road, Macheng Economic Development Zone, Huanggang, Hubei Applicant after: MACHENG BOLIN ELECTROMECHANICAL CO., LTD. Address before: 438300 goods yard Road, Macheng Economic Development Zone, Huanggang, Hubei Applicant before: Macheng Bolin Electromechanical Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: MACHENG BOLIN ELECTROMECHANICAL LTD. TO: MACHENG BOLIN ELECTROMECHANICAL CO., LTD. |
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