CN103419003B - A kind of constant velocity driveshaft ball cage processing technology - Google Patents
A kind of constant velocity driveshaft ball cage processing technology Download PDFInfo
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- CN103419003B CN103419003B CN201310358004.2A CN201310358004A CN103419003B CN 103419003 B CN103419003 B CN 103419003B CN 201310358004 A CN201310358004 A CN 201310358004A CN 103419003 B CN103419003 B CN 103419003B
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Abstract
The invention discloses a kind of processing technology of constant velocity driveshaft ball cage, comprise the processing of out star wheel, the processing of retainer, the processing of star-wheel, out star wheel after machining, retainer, star-wheel are assembled into and are integrally formed driving shaft ball cage, the present invention adopts cold extrusion shaped, after processing, inner spider alley precision is high, after processing, inner spider alley surface does not have too high temperature, with the oxygen catalytic oxidation in air, can not add retainer compression strength, effectively prevent retainer transverse breakage, improve product quality, save production cost, reduce customer complaint after sale.
Description
Technical field
The present invention relates to a kind of constant velocity driveshaft ball cage processing technology.
Background technology
Constant velocity driving shaft is that the axle that two axis do not overlap is coupled together, and makes diaxon with the mechanism of identical angular speed transmission campaign.Be the vitals in car drivetrain system, its effect is the driving wheel power of engine being delivered to automobile from speed changer, meets the requirement of car transmission shaft outer end corner; The power of engine steadily, is reliably passed to wheel; Compensate beating of the inner suspension of car.Driving car is run at high speed.
Constant velocity driving shaft type for car is a lot, wherein applying maximum is Rzeppa constant velocity's driving shaft, general Rzeppa constant velocity's driving shaft ball basket structure such as patent No. of the applicant's earlier application is structure disclosed in " 201120434577.5 " and " 201120522953.6 ", mainly comprise out star wheel, steel ball, retainer and star-wheel, in original process, constant velocity driving shaft star-wheel (in out star wheel cavity portion) blank of inner spider was in the past horizontal forging, concrete technology be horizontally to forge-modified-thick, finish-milling-carburizing-fine grinding-grinding, but dimensional accuracy and roughness still have deviation, BJ star-wheel is made to have assembled rear use, use frictional resistance is comparatively large and service life is lower, common technique obtains star-wheel crude green body in the mode of forge hot, and under being in the condition of high temperature during hot-forging forming, so the easily oxidation by air of base material surface, star-wheel surface is caused to have oxidation and decarbonization bits, related affect the quality after star-wheel finished product, and make its rough surface, in order to address this problem, need star-wheel regrind thus process time is extended.And find original retainer add processes obtain retainer intensity not high, easily in use there is the problem of deformation.Therefore be necessary to improve above-mentioned shortcoming.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of constant velocity driveshaft ball cage processing technology, each assembly coordinates more accurate, and has higher retainer intensity.
The present invention is achieved through the following technical solutions: a kind of processing technology of constant velocity driveshaft ball cage, comprise the processing of out star wheel, the processing of retainer, the processing of star-wheel, out star wheel after machining, retainer, star-wheel are assembled into and are integrally formed driving shaft ball cage, it is characterized in that: the processing technology of described out star wheel comprises the steps: 1) by die-cut for rod iron with the material obtaining preliminary dimension; 2) described in punching press, material obtains metal stock; 3) after Cold Extruding Die inner chamber passes into cooling fluid, described metal stock is put into again; 4) start forging press, a hydraulic cylinder of forging press is descending, makes cold extrusion drift enter the inner chamber of blank; Cooling fluid is now made to cover blank surface, No. two hydraulic cylinders of forging press are descending, make cold extrusion drift spreading, and No. three hydraulic cylinders of forging press are descending, cold extrusion drift is pressed in Cold Extruding Die together with blank, make blank shaping, after blank is shaping, two, one, No. three hydraulic cylinder backhauls successively of forging press, take out in Cold Extruding Die shaping after blank, complete cold extrusion shaped operation, during cold extrusion operation, the heat that blank deformation produces is absorbed by cooling fluid; 5) mid frequency induction hardening process is carried out to the blank after step 4 process; 6) the blank alley after intermediate frequency Quenching Treatment is refined, make alley shape meet design size; The processing technology of described retainer comprises the steps: 1) raw steel is blocked; 2) grinding is carried out on the raw steel surface after blocking, make raw steel have the shape of preliminary retainer; 3) raw steel after grinding is processed to the first through hole be oppositely arranged, between described first through hole, process four the second through holes arranged symmetrically and evenly, described first through hole is greater than described second through hole; 4) grinding complete after the first through hole and the second through hole; In technique scheme, described forging press is cold extrusion press.
In technique scheme, described first through hole comprises upper and lower two straight flanges, and described straight flange is by arc transition, and described second through hole is the excessive rectangle of four corner's circular arcs.
The present invention has following beneficial effect: adopt cold extrusion shaped, after processing, inner spider alley precision is high, after processing, inner spider alley surface does not have too high temperature, can not with the oxygen catalytic oxidation in air, add retainer compression strength, effectively prevent retainer transverse breakage, improve product quality, save production cost, reduce customer complaint after sale.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of driving shaft ball cage of the present invention.
Fig. 2 is the change schematic diagram after raw material steel drift first through hole of the present invention and the second through hole.
Fig. 3 is retainer schematic diagram (part-structure).
Detailed description of the invention
Below the present invention is described in further detail (forging press described in embodiment is cold extrusion press): see Fig. 1 to Fig. 2, a kind of processing technology of constant velocity driveshaft ball cage, comprise the processing of out star wheel 1, the processing of retainer 3, the processing of star-wheel 4, out star wheel 1 after machining, retainer 3, star-wheel 4 are assembled into and are integrally formed driving shaft ball cage, it is characterized in that: the processing technology of described out star wheel comprises the steps: 1) by die-cut for rod iron with the material obtaining preliminary dimension; 2) described in punching press, material obtains metal stock; 3) after Cold Extruding Die inner chamber passes into cooling fluid, described metal stock is put into again; 4) start forging press, a hydraulic cylinder of forging press is descending, makes cold extrusion drift enter the inner chamber of blank; Cooling fluid is now made to cover blank surface, No. two hydraulic cylinders of forging press are descending, make cold extrusion drift spreading, and No. three hydraulic cylinders of forging press are descending, cold extrusion drift is pressed in Cold Extruding Die together with blank, make blank shaping, after blank is shaping, two, one, No. three hydraulic cylinder backhauls successively of forging press, take out in Cold Extruding Die shaping after blank, complete cold extrusion shaped operation, during cold extrusion operation, the heat that blank deformation produces is absorbed by cooling fluid; 5) mid frequency induction hardening process is carried out to the blank after step 4 process; 6) the blank alley after intermediate frequency Quenching Treatment is refined, make alley shape meet design size; The processing technology of described retainer comprises the steps: 1) raw steel is blocked; 2) grinding is carried out on the raw steel surface after blocking, make raw steel have the shape of preliminary retainer; 3) raw steel after grinding is processed to the first through hole be oppositely arranged, between described first through hole, process four the second through holes arranged symmetrically and evenly, described first through hole is greater than described second through hole; 4) grinding complete after the first through hole and the second through hole; Described forging press is cold extrusion press.
Described first through hole comprises upper and lower two straight flanges, and described straight flange is by arc transition, and described second through hole is the excessive rectangle of four corner's circular arcs.
See Fig. 3, between described first through hole 30a and the second through hole 30b, form single circular arc muscle 5, between described two second adjacent through hole 30b, form bicircular arcs muscle 6, single circular arc muscle 5 and bicircular arcs muscle 6 have better stronger compression strength; Effective reduction retainer incidence of cracking, saves production cost.
Claims (3)
1. a constant velocity driveshaft ball cage processing technology, comprise the processing of out star wheel, the processing of retainer, the processing of star-wheel, out star wheel, retainer, star-wheel and steel ball after machining are assembled into driving shaft ball cage, it is characterized in that: the processing technology of described out star wheel comprises the steps: 1) by die-cut for rod iron with the material obtaining preliminary dimension; 2) described in punching press, material obtains metal stock; 3) after Cold Extruding Die inner chamber passes into cooling fluid, described metal stock is put into again; 4) start forging press, a hydraulic cylinder of forging press is descending, makes cold extrusion drift enter the inner chamber of blank; Cooling fluid is now made to cover blank surface, No. two hydraulic cylinders of forging press are descending, make cold extrusion drift spreading, and No. three hydraulic cylinders of forging press are descending, cold extrusion drift is pressed in Cold Extruding Die together with blank, make blank shaping, after blank is shaping, two, one, No. three hydraulic cylinder backhauls successively of forging press, take out in Cold Extruding Die shaping after blank, complete cold extrusion shaped operation, during cold extrusion operation, the heat that blank deformation produces is absorbed by cooling fluid; 5) mid frequency induction hardening process is carried out to the blank after step 4 process; 6) the blank alley after intermediate frequency Quenching Treatment is refined, make alley shape meet design size; The processing technology of described retainer comprises the steps: 1) raw steel is blocked; 2) grinding is carried out on the raw steel surface after blocking, make raw steel have the shape of preliminary retainer; 3) raw steel after grinding is processed to the first through hole be oppositely arranged, between described first through hole, process four the second through holes arranged symmetrically and evenly, described first through hole is greater than described second through hole; 4) grinding complete after the first through hole and the second through hole.
2. a kind of constant velocity driveshaft ball cage processing technology as claimed in claim 1, is characterized in that: described forging press is cold extrusion press.
3. a kind of constant velocity driveshaft ball cage processing technology as claimed in claim 1, is characterized in that: described first through hole comprises upper and lower two straight flanges, and described straight flange is by arc transition, and described second through hole is the excessive rectangle of four corner's circular arcs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310358004.2A CN103419003B (en) | 2013-09-18 | 2013-09-18 | A kind of constant velocity driveshaft ball cage processing technology |
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| CN201310358004.2A CN103419003B (en) | 2013-09-18 | 2013-09-18 | A kind of constant velocity driveshaft ball cage processing technology |
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| CN103419003A CN103419003A (en) | 2013-12-04 |
| CN103419003B true CN103419003B (en) | 2016-04-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975147A (en) * | 2015-07-06 | 2015-10-14 | 安徽索特汽车零部件有限公司 | Heat treatment technology of automobile outer joint bell-shaped shell |
| CN106694789B (en) * | 2017-02-21 | 2019-12-10 | 上海交大中京锻压有限公司 | die forging process and device for blank of outer star wheel and inner star wheel for automobile transmission shaft |
| CN107061529B (en) * | 2017-05-24 | 2023-08-08 | 宁波纬尚汽车零部件有限公司 | Ball cage ball shell structure and technological treatment method thereof |
| CN109676068B (en) * | 2019-01-29 | 2020-08-04 | 上海电机学院 | Roll forging equipment for V L type ball cage inner side parting structure product and forming method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292831A (en) * | 1979-10-24 | 1981-10-06 | Simon Joseph A | Process for extruding a metal tube with inwardly thickened end portions |
| CN101264489A (en) * | 2008-04-25 | 2008-09-17 | 重庆大学 | Automobile out star wheel isothermal extrusion preliminary shaping device |
| CN101327562A (en) * | 2008-07-23 | 2008-12-24 | 宁波市鄞州欧菱电梯配件有限公司 | Method for processing metallic rope pulley |
| CN101823084A (en) * | 2010-04-28 | 2010-09-08 | 南京航空航天大学 | Auxiliary cold extrusion machining device with large diameter and inner thread based on electromagnetic vibration exciter |
| CN102825084A (en) * | 2011-12-09 | 2012-12-19 | 洛阳轴研科技股份有限公司 | Cold extrusion device, and female die and male die thereof |
-
2013
- 2013-09-18 CN CN201310358004.2A patent/CN103419003B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292831A (en) * | 1979-10-24 | 1981-10-06 | Simon Joseph A | Process for extruding a metal tube with inwardly thickened end portions |
| CN101264489A (en) * | 2008-04-25 | 2008-09-17 | 重庆大学 | Automobile out star wheel isothermal extrusion preliminary shaping device |
| CN101327562A (en) * | 2008-07-23 | 2008-12-24 | 宁波市鄞州欧菱电梯配件有限公司 | Method for processing metallic rope pulley |
| CN101823084A (en) * | 2010-04-28 | 2010-09-08 | 南京航空航天大学 | Auxiliary cold extrusion machining device with large diameter and inner thread based on electromagnetic vibration exciter |
| CN102825084A (en) * | 2011-12-09 | 2012-12-19 | 洛阳轴研科技股份有限公司 | Cold extrusion device, and female die and male die thereof |
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| CN103419003A (en) | 2013-12-04 |
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