CN102211273A - Method for machining input shaft blank of gear box - Google Patents
Method for machining input shaft blank of gear box Download PDFInfo
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- CN102211273A CN102211273A CN2010101613809A CN201010161380A CN102211273A CN 102211273 A CN102211273 A CN 102211273A CN 2010101613809 A CN2010101613809 A CN 2010101613809A CN 201010161380 A CN201010161380 A CN 201010161380A CN 102211273 A CN102211273 A CN 102211273A
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Abstract
The invention discloses a method for machining an input shaft blank of a gear box. The method comprises the following steps of: a, blanking; b, isothermally normalizing; c, preparing a blank; d, carrying out forward extruding; e, ironing; f, upsetting: carrying out phosphating and saponifying treatments; and g, turning end-surfaces: forming a finished product of the input shaft blank. According to the method disclosed by the invention, the blank basically accorded with the size of an input shaft of the gear box is forged in a die through carrying out forward extruding, ironing and upsetting on a raw bar material and machined by a machine tool to obtain the input shaft of a finished product. The machining method is simple, can meet the precision requirement of input shaft products, is beneficial to reducing the manufacture cost and shortening the production period, and is also in line with the current world trend of development in manufacturing industry.
Description
Technical field
The present invention relates to the power shaft of constant speed universal joint assembly in a kind of automotive wheels driving mechanism, specifically is the processing method of power shaft blank.
Background technology
Automobile is to be contained in the mechanical part that is used for transmitting motion and moment of torsion between terminal gear of gearbox and the wheel with the constant velocity cardan joint assembly, and it is made up of parts such as power shaft, internal spherical cage, jackshaft, ectosphere cage and output shafts.Power shaft comprises terminal splined section, mid portion and head end part, the end face of described head end part is fixedlyed connected with the cylinder outer race of internal spherical cage, the axle journal of described head end part is a tight fit in the bearing of gear box casing, described bearing outer face is provided with Sealing shield ring, the power shaft remainder stretches in the casing of gearbox sealing, and described terminal splined section is connected with end (output) gear of gearbox.Publication number CN101602157 discloses a kind of production technology of speed reducer output shaft, may further comprise the steps: a, purchase raw material; B, blanking; C, be heated to 1120-1200 ℃; D, step c heated raw materials is pulled out on the pneumatic hammer swage block, round as a ball on movable swage block, shaping forge the cylinder that meets the speed reducer output shaft size substantially in loose tool; E, the base in the steps d is put into jumping-up major part on the friction press, enclosed closed die forging, forges the output shaft forging; F, utilize remnant forging thermal quenching; G, 520-660 ℃ tempering; H, machine tooling; I, finished product.This production technology process complexity, the production cost height.Manufacturing firm all adopts precision forging blank technology to produce the power shaft blank both at home and abroad at present, on the basis of blank, be machined to power shaft again, can satisfy required precision like this, reduce manufacturing cost and cycle again, also meet the trend of world today's development of manufacturing simultaneously.
Summary of the invention
The invention provides a kind of processing method that blank is machined as the gearbox power shaft blank of finished product power shaft again that is processed into earlier.
The technical solution adopted for the present invention to solve the technical problems is as follows: the processing method of gearbox power shaft blank comprises the steps:
A, blanking, the intercepting bar;
B, isothermal normalizing;
C, base: after bar sizing scale, end face chamfering, carry out ball blast, phosphatization, saponification processing;
D, forward extrusion: by mould one of bar is rectified extruding, make bar form two sections cylindrical bars that diameter differs, be provided with changeover portion between the cylindrical bar that two sections diameter differ, carry out ball blast, phosphatization, saponification again and handle;
E, diameter reducing extrusion: to above-mentioned bar diameter reducing extrusion, make big or small cylindrical bar respectively form the cylindrical bar that two sections diameter differ by mould, carry out ball blast, phosphatization, saponification processing again;
F, jumping-up:, make to form thick hoop on the great circle cylindricality bar to above-mentioned bar jumping-up by mould, carry out ball blast again: phosphatization, saponification are handled;
G, face work: the large and small end face of car forms power shaft blank finished product.
Described step diameter reducing extrusion: by mould to above-mentioned bar diameter reducing extrusion, make great circle cylindricality bar form three sections cylindrical bars that diameter differs, be provided with changeover portion between the cylindrical bar that diameter differs, carry out ball blast, phosphatization, saponification processing again;
Press the product drawing designing requirement to the machine tooling of blank finished product, conventional operation such as finished product forms the power shaft finished product.
The present invention forges the blank that meets gearbox power shaft size substantially by raw bar material is carried out forward extrusion, diameter reducing extrusion, jumping-up in mould, be the finished product power shaft by machine tooling again, processing method is simple, both satisfied the required precision of power shaft product, reduce manufacturing cost and production cycle again, also met the trend of world today's development of manufacturing simultaneously.
Description of drawings
Fig. 1 is an embodiment of the invention bar deformation process structural representation
Sequence number among the figure: 1, the big cylindrical bar of diameter, 2, cylindrical bar that diameter is little, 3, the changeover portion between the cylindrical bar of size diameter, 4, thick hoop.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
The processing method of 1 one kinds of gearbox power shafts of embodiment blank comprises the steps:
A, blanking, intercepting 20CrMnTi bar, diameter 38mm, length 250mm;
B, isothermal normalizing: above-mentioned bar isothermal normalizing is handled;
C, base: behind bar both ends of the surface difference chamfering C2, C4, carry out ball blast, phosphatization, saponification processing;
D, forward extrusion: one of bar is rectified extruding by mould, make and form two sections cylindrical bars 1,2 that diameter differs on the bar, be provided with changeover portion 3 between the cylindrical bar that two sections diameter differ, size Control: the cylindrical bar 1 of diameter 38.3+0.1mm, length 205+1mm and the cylindrical bar 2 of diameter 23.4+0.1mm, length 83.5+3mm, changeover portion 3 is 40 ° of angles, R5, carries out ball blast, phosphatization, saponification processing again;
E, diameter reducing extrusion: by mould to above-mentioned bar diameter reducing extrusion, make on the cylindrical bar 1,2 and respectively form the cylindrical bar that two sections diameter differ, size Control: the diameter of the cylindrical bar that two sections diameter of cylindrical bar 1 formation differ respectively is 38.5-0.2mm, 33.5+0.1mm, length respectively is 135+1mm, 83+3mm, the diameter of the cylindrical bar that the two sections diameter that form cylindrical bar 2 differ respectively is 23.4+0.1mm, 20.3+0.1mm, length respectively is 51+0.5mm, 42.5+0.5mm, carries out ball blast, phosphatization, saponification processing again;
F, jumping-up: to above-mentioned bar jumping-up, make and form thick hoop 4 on the cylindrical bar 1, size Control by mould: diameter 53.5+1mm, carry out ball blast again: phosphatization, saponification are handled;
G, face work: the large and small end face of car forms power shaft blank finished product.
The processing method of 2 one kinds of gearbox power shafts of embodiment blank comprises the steps:
A, blanking, intercepting 20CrMnTi bar, diameter 38mm, length 250mm;
B, isothermal normalizing: above-mentioned bar isothermal normalizing is handled;
C, base: behind bar both ends of the surface difference chamfering C2, C4, carry out ball blast, phosphatization, saponification processing;
D,, forward extrusion: by mould one of bar is rectified extruding, make and form two sections cylindrical bars 1,2 that diameter differs on the bar, be provided with changeover portion 3 between the cylindrical bar that two sections diameter differ, size Control: the cylindrical bar 1 of diameter 38.3+0.1mm, length 205+1mm and the cylindrical bar 2 of diameter 23.4+0.1mm, length 83.5+3mm, changeover portion 3 is 40 ° of angles, R5, carries out ball blast, phosphatization, saponification processing again;
E, diameter reducing extrusion: by mould to above-mentioned bar diameter reducing extrusion, make cylindrical bar 1 form three sections cylindrical bars that diameter differs, make cylindrical bar 2 form two sections cylindrical bars that diameter differs, be provided with changeover portion 3 between the cylindrical bar that diameter differs, size Control: the diameter of the cylindrical bar that three sections diameter of cylindrical bar 1 formation differ respectively is 38.5-0.2mm, 34.5+0.1mm, 33.5+0.1mm, length respectively is 135+1mm, less than 14.4+0.5mm, 80.5mm, the diameter of the cylindrical bar that the two sections diameter that form cylindrical bar 2 differ respectively is 23.4+0.1mm, 20.3+0.1mm, length respectively is 51+0.5mm, 42.5+0.5mm, carry out ball blast again, phosphatization, saponification is handled;
F, jumping-up: to above-mentioned bar jumping-up, make and form thick hoop 4 on the cylindrical bar 1, size Control by mould: diameter 53.5+1mm, carry out ball blast again: phosphatization, saponification are handled;
G, face work: the large and small end face of car forms power shaft blank finished product.
H, machine tooling again; Conventional operation such as finished product forms the power shaft finished product.
Embodiment is just for the ease of understanding technical scheme of the present invention; do not constitute limiting the scope of the invention; every interior any simple modification, equivalent variations and modification of perhaps according to technical spirit of the present invention above scheme being done that does not break away from technical solution of the present invention all still belongs within the protection domain of the present invention.
Claims (3)
1. the processing method of gearbox power shaft blank comprises the steps:
A, blanking, the intercepting bar;
B, isothermal normalizing;
C, base: after bar sizing scale, end face chamfering, carry out ball blast, phosphatization, saponification processing;
D, forward extrusion: one of bar is rectified extruding by mould, make bar form two sections cylindrical bar (1), (2) that diameter differs, be provided with changeover portion (3) between the cylindrical bar that two sections diameter differ, carry out ball blast, phosphatization, saponification again and handle;
E, diameter reducing extrusion: to above-mentioned bar diameter reducing extrusion, make cylindrical bar (1), (2) respectively form the cylindrical bar that two sections diameter differ by mould, carry out ball blast, phosphatization, saponification processing again;
F, jumping-up:, cylindrical bar (1) is gone up formed thick hoop (4) above-mentioned bar jumping-up by mould, carry out ball blast again: phosphatization, saponification are handled;
G, face work: the large and small end face of car forms power shaft blank finished product.
2. the processing method of gearbox power shaft blank according to claim 1, it is characterized in that: described step e diameter reducing extrusion: by mould to above-mentioned bar diameter reducing extrusion, make cylindrical bar (1) form three sections cylindrical bars that diameter differs, be provided with changeover portion (3) between the cylindrical bar that diameter differs, carry out ball blast, phosphatization, saponification processing again;
3. the processing method of gearbox power shaft blank according to claim 1 and 2 is characterized in that: press the product drawing designing requirement to the machine tooling of blank finished product, conventional operation such as finished product forms the power shaft finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010161380 CN102211273B (en) | 2010-04-07 | 2010-04-07 | Method for machining input shaft blank of gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010161380 CN102211273B (en) | 2010-04-07 | 2010-04-07 | Method for machining input shaft blank of gear box |
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| CN102211273A true CN102211273A (en) | 2011-10-12 |
| CN102211273B CN102211273B (en) | 2013-06-05 |
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| CN 201010161380 Active CN102211273B (en) | 2010-04-07 | 2010-04-07 | Method for machining input shaft blank of gear box |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071970A (en) * | 2012-08-22 | 2013-05-01 | 昌利锻造有限公司 | Forging method for intermediate shafts for transmissions |
| CN103737270A (en) * | 2013-12-04 | 2014-04-23 | 鞠小平 | Method for machining input shaft of main reducing gear of heavy load automobile |
| CN104525599A (en) * | 2014-12-17 | 2015-04-22 | 浙江名将汽配有限公司 | Cold extrusion mold for output shafts and preparation method thereof |
| CN104708289A (en) * | 2015-01-30 | 2015-06-17 | 柳州市俊杰汽配制造有限公司 | Car transmission shaft machining technology |
| CN105081186A (en) * | 2015-07-23 | 2015-11-25 | 山东亨格尔制造股份有限公司 | Combined forging and forming process for input shaft of automotive automatic transmission |
| CN106734799A (en) * | 2016-12-08 | 2017-05-31 | 山东大学 | A kind of forging method of bullet train axle box |
| CN107009102A (en) * | 2015-11-06 | 2017-08-04 | 大众汽车有限公司 | Method for manufacturing power transmission shaft |
| CN107745225A (en) * | 2017-08-18 | 2018-03-02 | 江苏力星通用钢球股份有限公司 | A kind of big ball support axis processing technique of wind-powered electricity generation |
| CN109396265A (en) * | 2018-12-04 | 2019-03-01 | 上海奥林汽车配件有限公司 | A kind of lock stick upsetting shoulder mold |
| CN111112965A (en) * | 2019-12-26 | 2020-05-08 | 江苏威鹰机械有限公司 | Production process of intermediate shaft of new energy automobile transmission |
| CN112658618A (en) * | 2020-12-27 | 2021-04-16 | 太仓市金玮电器有限公司 | Intelligent machining process for weeding machine wheel shaft |
| CN114505660A (en) * | 2022-03-15 | 2022-05-17 | 河北同锐机械制造有限公司 | Production process of high-wear-resistance toothed chain wheel |
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| CN101352799A (en) * | 2008-09-16 | 2009-01-28 | 江苏森威精锻有限公司 | Long shaft blocking forward extrusion forming method |
| CN101670515A (en) * | 2009-10-16 | 2010-03-17 | 陆泽平 | Driving shaft cold extruding process |
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2010
- 2010-04-07 CN CN 201010161380 patent/CN102211273B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2265494C1 (en) * | 2004-07-19 | 2005-12-10 | Открытое акционерное общество "Белебеевский завод "Автонормаль" | Method for making flanged bolt with shaped head |
| CN1757765A (en) * | 2005-11-03 | 2006-04-12 | 上海保捷汽车零部件锻压有限公司 | Softening method of automobile component part cold extrusion blank |
| CN101352799A (en) * | 2008-09-16 | 2009-01-28 | 江苏森威精锻有限公司 | Long shaft blocking forward extrusion forming method |
| CN101670515A (en) * | 2009-10-16 | 2010-03-17 | 陆泽平 | Driving shaft cold extruding process |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071970A (en) * | 2012-08-22 | 2013-05-01 | 昌利锻造有限公司 | Forging method for intermediate shafts for transmissions |
| CN103737270A (en) * | 2013-12-04 | 2014-04-23 | 鞠小平 | Method for machining input shaft of main reducing gear of heavy load automobile |
| CN103737270B (en) * | 2013-12-04 | 2016-06-29 | 鞠小平 | A kind of processing method of heavy bearing automobile main reducing gear power shaft |
| CN104525599A (en) * | 2014-12-17 | 2015-04-22 | 浙江名将汽配有限公司 | Cold extrusion mold for output shafts and preparation method thereof |
| CN104708289A (en) * | 2015-01-30 | 2015-06-17 | 柳州市俊杰汽配制造有限公司 | Car transmission shaft machining technology |
| CN105081186A (en) * | 2015-07-23 | 2015-11-25 | 山东亨格尔制造股份有限公司 | Combined forging and forming process for input shaft of automotive automatic transmission |
| CN107009102A (en) * | 2015-11-06 | 2017-08-04 | 大众汽车有限公司 | Method for manufacturing power transmission shaft |
| CN106734799A (en) * | 2016-12-08 | 2017-05-31 | 山东大学 | A kind of forging method of bullet train axle box |
| CN106734799B (en) * | 2016-12-08 | 2018-06-12 | 山东大学 | A kind of forging method of bullet train axle box |
| CN107745225A (en) * | 2017-08-18 | 2018-03-02 | 江苏力星通用钢球股份有限公司 | A kind of big ball support axis processing technique of wind-powered electricity generation |
| CN109396265A (en) * | 2018-12-04 | 2019-03-01 | 上海奥林汽车配件有限公司 | A kind of lock stick upsetting shoulder mold |
| CN111112965A (en) * | 2019-12-26 | 2020-05-08 | 江苏威鹰机械有限公司 | Production process of intermediate shaft of new energy automobile transmission |
| CN112658618A (en) * | 2020-12-27 | 2021-04-16 | 太仓市金玮电器有限公司 | Intelligent machining process for weeding machine wheel shaft |
| CN114505660A (en) * | 2022-03-15 | 2022-05-17 | 河北同锐机械制造有限公司 | Production process of high-wear-resistance toothed chain wheel |
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|---|---|
| CN102211273B (en) | 2013-06-05 |
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