CN101417383A - Pressing method of whole automobile axle housing - Google Patents
Pressing method of whole automobile axle housing Download PDFInfo
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- CN101417383A CN101417383A CNA2008102446350A CN200810244635A CN101417383A CN 101417383 A CN101417383 A CN 101417383A CN A2008102446350 A CNA2008102446350 A CN A2008102446350A CN 200810244635 A CN200810244635 A CN 200810244635A CN 101417383 A CN101417383 A CN 101417383A
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- axle housing
- automobile axle
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- integral automobile
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Abstract
The invention relates to a processing method of an axle housing of an integral automobile and the processing of the axle housing includes the following procedures of: preparing a rough workpiece, providing a long axial chute, heating the part provided with the chute, flaring the long axial chute of the workpiece, workpiece premolding, workpiece molding, diameter reducing of two ends of the workpiece and tripod welding for the workpiece. Dies of a press machine or a special machine are adopted by the procedures to mold the middle parts of workpieces and after the operational procedures are finished, other procedures are taken for subsequent processing of the workpieces. The invention has the advantages of being simple in technological step and convenient in operation; as the hot extrusion type method is adopted, axial pressure is greatly decreased; and the molding effect of the workpieces is good, the equipment input is small and the cost is obviously reduced.
Description
Technical field
The present invention relates to a kind of process of new manufacturing automobile axle housing, relate in particular to a kind of hot extrusion processing method of integral automobile axle housing.
Background technology
At present, axle housing is used to support various load and passes to wheel, to regulate car load kinematics and dynamic performance, it is had outside the good transmission performance, also will be as the crossbeam of support drive wheel, make left, the right axial location that drives wheel keeps relative fixed, and make and to bear the vehicle body on the leaf spring and the carload weight on vehicle frame top together as the drive axle of the primary clustering of automobile running system and supporting bridge, and when running car, bear the various driving forces that power transmission shaft passes over, brake force and braking moment that driving moment and when braking produce, and pass to vehicle frame by suspension.Therefore, axle housing is to guarantee the functional reliability of the normal operation of automobile and the crux parts in service life, and it all has higher requirements to its mechanical strength, rigidity and fatigue performance etc.And make automobile axle housing mainly by casting and two kinds of manufacturing process of punching press welding:
1, casting bridge shell manufacturing process
Casting method is made the axle housing blank, carries out machining again and finishes product.Chinese lute shape housing parts in the middle of this kind structure is positioned at spheroidal graphite cast-iron (an amount of nickel of adding in magnesium iron is also arranged) or cast steel material casting, after tool carried out machining, be pressed into long seamless steel pipe at the tool two ends, fix as axle tube and with bolt or bearing pin, be press-fitted effect preferably to reach.
The characteristics of this process are:
1) good rigidly of axle housing, but tough and strength character are poor, reach designing requirement to increase thickness of shell usually.The small lot batch manufacture investment is less, relatively is fit to domestic small lot batch manufacture;
2) because foundry method features, when vehicle bridge wheelspan, steel leaf spring centre-to-centre spacing, when the firm bearing equidimension of wheel changes, axle housing all must redesign, so the product remodeling difficulty that this method is produced also is not suitable for many variety production;
3) because material and heat treatment are had higher requirements, it is higher to produce percent defective, makes the corresponding raising of production cost;
4) high material consumption, profile is clumsy, weight is big;
5) power consumption is big, and working condition is poor, and environmental pollution is serious.
2, press axle housing manufacturing process
With mild steel steel plate (16Mn) is raw material, after striking out upper and lower two and half housings respectively, butt welding is connected to become middle casing again, after front side, rear side and the two ends of this middle casing are welded reinforcing ring, bonnet and two parts such as central siphon respectively, makes through machining then.
The characteristics of this process are:
1) product remodeling is flexible, convenient;
2) from heavy and light, compare with casting bridge shell, weight can reduce (10%--20%);
3) percent defective is low, and the production efficiency height is fit to produce in enormous quantities, therefore by domestic Light-duty Vehicle and the generally employing of external most of vehicle institute;
4) production equipment is many, mould is many, investment is big, and stock utilization is low, is not suitable for many variety production;
5) welding deformation is serious, eliminate welding interior stress although adopt several different methods, but during in the automobile heavy duty or in rugged and rough travels down, the axle housing easy deformation, both influenced the transmission performance of vehicle bridge, may cause the damage of the parts such as semiaxis, gear of axle housing inside again, make that this axle housing functional reliability is poor, lost efficacy easily;
6) in the heavy goods vehicles field, must adopt the drop stamping moulding, energy consumption is big, and equipment investment is big.
Summary of the invention
In order to overcome above-mentioned defective, the technical problem to be solved in the present invention is: a kind of hot extrusion processing method of integral automobile axle housing is provided, and production craft step of the present invention is simple, and is easy to operate, and cost is low, and is pollution-free, product strength height, reliable operation.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: a kind of processing method of integral automobile axle housing is characterized in that: the processing of described manufacturing integral automobile axle housing comprises following operation:
(1), preparation integral housing blank or the half-finished workpiece of axle housing;
(2), offer elongated shaft to groove in the workpiece centre position;
(3), microscler axial pass trough place that the workpiece centre position is offered heats, and heating-up temperature to 700 ℃～1100 ℃.
(4), workpiece is positioned in the preforming tool, the workpiece two ends are applied axial compressive force respectively, and then make the microscler axial pass trough of workpiece carry out enlarging;
(5), workpiece is put into mould, adopt taper to carve the microscler axial pass trough after the preformed pushed to make Workpiece shaping, even it reaches the drawing dimensional requirement in axle housing stage casing;
(6), undergauge is carried out at the workpiece two ends, finish this process operations, change other operation over to workpiece is carried out following process.
According to another embodiment of the invention, the processing method of integral automobile axle housing comprises further in the described operation (3) that the microscler axial pass trough that adopts intermediate frequency or superaudio heater that the workpiece centre position is offered heated 1～2 minute.
According to another embodiment of the invention, the processing method of integral automobile axle housing further comprises in the described operation (4), adopts the forcing press of 200T that the workpiece two ends after heating are applied axial compressive force.
According to another embodiment of the invention, the processing method of integral automobile axle housing further is included in before microscler axial pass trough to workpiece carries out enlarging, is serially connected with square at the workpiece internal activity, so that workpiece can not change shape according to designing requirement.
According to another embodiment of the invention, the processing method of integral automobile axle housing further comprises in the described operation (6), adopts the rotation fashion of extrusion that undergauge is carried out at the workpiece two ends.
Beneficial effect of the present invention is as follows:
(1) processing step is simple, easy to operate, owing to adopt reducing greatly of hot extrude pressure type in axial compressive force, and Workpiece shaping is effective, and equipment drops into little, and cost obviously reduces;
(2) reduce the welding job amount, the also corresponding distortion that reduces axle housing has improved the stability of automobilism;
(3), make integral housing production precision height, axle housing good rigidly, the service life of having improved integral housing because workpiece adopts preformed and forming process.
(4) this explained hereafter environment compliance with environmental protection requirements is not polluted; Labor intensity of operating personnel is low.
(5) owing to adopt intermediate frequency or the heating of superaudio heater, shorten heat time heating time, reduced the deflection of workpiece.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the integral housing blank or the half-finished Workpiece structure schematic diagram of axle housing of the preferred embodiments of the present invention;
Fig. 2 is the structural representation that the workpiece second operation work of the preferred embodiments of the present invention is offered microscler axial pass trough;
Fig. 3 is the structural representation behind the Workpiece shaping of the preferred embodiments of the present invention;
Fig. 4 is the structural representation behind the workpiece undergauge of the preferred embodiments of the present invention;
Fig. 5 is the structural representation after the workpiece of the preferred embodiments of the present invention welds tripod;
The specific embodiment
The present invention is further detailed explanation with preferred embodiment in conjunction with the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Shown in Fig. 1-5, a kind of processing method of integral automobile axle housing is characterized in that: the processing of described manufacturing integral automobile axle housing comprises following operation:
(1), preparation integral housing blank or the half-finished workpiece of axle housing;
(2), offer elongated shaft to groove in the workpiece centre position;
(3), microscler axial pass trough place that the workpiece centre position is offered heats, and heating-up temperature to 700 ℃～1100 ℃.
(4), workpiece is positioned in the preforming tool, the workpiece two ends are applied axial compressive force respectively, and then make the microscler axial pass trough of workpiece carry out enlarging;
(5), workpiece is put into mould, adopt taper to carve the microscler axial pass trough after the preformed pushed to make Workpiece shaping, even it reaches the drawing dimensional requirement in axle housing stage casing;
(6), undergauge is carried out at the workpiece two ends, finish this process operations, change other operation over to workpiece is carried out following process.
Above-mentioned processing step is simple, easy to operate, and preheating before preformed adopt the hot extrusion mode to make hydraulic press reduce greatly at axial applied pressure, and Workpiece shaping is effective, and equipment drops into little, and cost obviously reduces.In addition, because workpiece adopts preformed and forming process, make integral housing production precision height, axle housing good rigidly, the service life of having improved integral housing.Obviously reduce the welding job amount, the also corresponding distortion that reduces axle housing has improved the stability of automobilism.
In the preferred described operation of the present invention (3), the microscler axial pass trough that adopts intermediate frequency or superaudio heater that the workpiece centre position is offered heated 1～2 minute.Owing to adopt the heating of intermediate frequency or superaudio heater, shortened heat time heating time, reduced the deflection of workpiece.
In the preferred described operation of the present invention (4), adopt the forcing press of 200T that the workpiece two ends after heating are applied axial compressive force.Because preceding working procedure adopts preheating work, making needs the tonnage of working pressure machine obviously to descend, and invests little.
The present invention preferably before the microscler axial pass trough to workpiece carries out enlarging, is serially connected with square at the workpiece internal activity, so that workpiece can not change shape according to designing requirement.Because workpiece inside is scurried and is connected to square, makes workpiece when being extruded, it is not yielding not open the groove place.
In the preferred described operation of the present invention (6), adopt the rotation fashion of extrusion that undergauge is carried out at the workpiece two ends, the yield rate height of Sheng Chaning has improved production efficiency of products like this.
Below for main production of the present invention (wall thickness of this workpiece is 16mm): microscler axial pass trough (as Fig. 2)-splitting groove partly heats for preparation blank workpiece (as Fig. 1)-offer-the microscler axial pass trough of workpiece is carried out enlarging-workpiece preformed-Workpiece shaping (as Fig. 3)-undergauge (as Fig. 4)-workpiece welding tripod (Fig. 5) is carried out at the workpiece two ends, above-mentioned operation adopts on press or the special plane with the moulding of mould extruding workpiece mid portion, finish above-mentioned process operations, change other operation over to workpiece is carried out following process.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (11)
1, a kind of processing method of integral automobile axle housing is characterized in that: the processing of described manufacturing integral automobile axle housing comprises following operation:
(1), preparation integral housing blank or the half-finished workpiece of axle housing;
(2), offer elongated shaft to groove in the workpiece centre position;
(3), microscler axial pass trough place that the workpiece centre position is offered heats, and heating-up temperature to 700 ℃～1100 ℃;
(4), workpiece is positioned in the preforming tool, the workpiece two ends are applied axial compressive force respectively, and then make the microscler axial pass trough of workpiece carry out enlarging;
(5), workpiece is put into mould, adopt taper to carve the microscler axial pass trough after the preformed pushed to make Workpiece shaping, even it reaches the drawing dimensional requirement in axle housing stage casing;
(6), undergauge is carried out at the workpiece two ends, finish this process operations, change other operation over to workpiece is carried out following process.
2, the processing method of integral automobile axle housing as claimed in claim 1 is characterized in that: in the described operation (3), the microscler axial pass trough that adopts intermediate frequency or superaudio heater that the workpiece centre position is offered heated 1～2 minute.
3, the processing method of integral automobile axle housing as claimed in claim 1 is characterized in that: in the described operation (4), adopt the forcing press of 200T that the workpiece two ends after heating are applied axial compressive force.
4, the processing method of integral automobile axle housing as claimed in claim 1 is characterized in that: before the microscler axial pass trough to workpiece carries out enlarging, be serially connected with square at the workpiece internal activity, so that workpiece can not change shape according to designing requirement.
5, the processing method of integral automobile axle housing as claimed in claim 1 is characterized in that: in the described operation (6), adopt the rotation fashion of extrusion that undergauge is carried out at the workpiece two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102446350A CN101417383B (en) | 2008-11-20 | 2008-11-20 | Pressing method of whole automobile axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102446350A CN101417383B (en) | 2008-11-20 | 2008-11-20 | Pressing method of whole automobile axle housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101417383A true CN101417383A (en) | 2009-04-29 |
| CN101417383B CN101417383B (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102446350A Expired - Fee Related CN101417383B (en) | 2008-11-20 | 2008-11-20 | Pressing method of whole automobile axle housing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586336A (en) * | 2013-11-21 | 2014-02-19 | 湖南中联重科车桥有限公司 | Manufacturing method of integral axle housing and axle housing |
| CN103624482A (en) * | 2012-08-21 | 2014-03-12 | 湖北奥德车桥有限公司 | Method for forming whole axle housing of automobile drive axle |
| CN103894802A (en) * | 2014-04-21 | 2014-07-02 | 石家庄中兴机械制造有限公司 | Process for machining necked large-aperture slewing rings |
| CN105563052A (en) * | 2016-03-23 | 2016-05-11 | 江苏福坛车桥科技股份有限公司 | Method for integrally forming driving axle housing |
| CN106180354A (en) * | 2016-07-19 | 2016-12-07 | 江西江铃底盘股份有限公司 | A kind of automobile drive axle housing body cuts long method for cutting edge |
| CN112342509A (en) * | 2020-10-14 | 2021-02-09 | 宁波江丰电子材料股份有限公司 | Forming method of target material for HCM machine table |
| CN116618973A (en) * | 2023-07-12 | 2023-08-22 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
-
2008
- 2008-11-20 CN CN2008102446350A patent/CN101417383B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624482A (en) * | 2012-08-21 | 2014-03-12 | 湖北奥德车桥有限公司 | Method for forming whole axle housing of automobile drive axle |
| CN103624482B (en) * | 2012-08-21 | 2016-05-11 | 李迎春 | A kind of forming method of automobile drive axle integral housing |
| CN103586336A (en) * | 2013-11-21 | 2014-02-19 | 湖南中联重科车桥有限公司 | Manufacturing method of integral axle housing and axle housing |
| CN103894802A (en) * | 2014-04-21 | 2014-07-02 | 石家庄中兴机械制造有限公司 | Process for machining necked large-aperture slewing rings |
| CN105563052A (en) * | 2016-03-23 | 2016-05-11 | 江苏福坛车桥科技股份有限公司 | Method for integrally forming driving axle housing |
| CN106180354A (en) * | 2016-07-19 | 2016-12-07 | 江西江铃底盘股份有限公司 | A kind of automobile drive axle housing body cuts long method for cutting edge |
| CN106180354B (en) * | 2016-07-19 | 2018-05-22 | 江西江铃底盘股份有限公司 | A kind of automobile drive axle housing body cuts long method for cutting edge |
| CN112342509A (en) * | 2020-10-14 | 2021-02-09 | 宁波江丰电子材料股份有限公司 | Forming method of target material for HCM machine table |
| CN116618973A (en) * | 2023-07-12 | 2023-08-22 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
| CN116618973B (en) * | 2023-07-12 | 2024-01-30 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101417383B (en) | 2010-09-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Wujin Dongfeng Auto Parts Co.,Ltd. Assignor: Zhang Zhiping Contract record no.: 2011320001187 Denomination of invention: Pressing method of whole automobile axle housing Granted publication date: 20100908 License type: Exclusive License Open date: 20090429 Record date: 20111220 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191115 Address after: No.29 Dong'an Dongfeng Road, Huangli Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU WUJIN DONGFENG AUTO PARTS Co.,Ltd. Address before: 213155 Jiangsu Province, Changzhou city Wujin District Dongan Dongfeng Road No. 29 Patentee before: Zhang Zhiping |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20211120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |