CN103586336A - Manufacturing method of integral axle housing and axle housing - Google Patents
Manufacturing method of integral axle housing and axle housing Download PDFInfo
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- CN103586336A CN103586336A CN201310593828.8A CN201310593828A CN103586336A CN 103586336 A CN103586336 A CN 103586336A CN 201310593828 A CN201310593828 A CN 201310593828A CN 103586336 A CN103586336 A CN 103586336A
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- axle housing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 51
- 241000538562 Banjos Species 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a manufacturing method of an integral axle housing, which comprises the following steps: a. blanking: selecting a pipe material; b. forming holes: processing two coaxial through holes on two opposite sides of the middle part of the pipe material; c. reducing diameter: reducing the area of the cross section of the two ends of the tube material; d. heating: heating the part of the pipe material where the through hole is positioned, wherein the heating temperature is 900-1200 ℃; e. reaming and forming: and reaming the through hole and molding the part of the pipe material where the through hole is located, so that the pipe material is molded into the axle housing. In addition, the invention also discloses an axle housing. The axle housing manufactured by the manufacturing method of the integral axle housing has high strength, high rigidity, strong reliability and long service life.
Description
Technical field
The present invention relates to a kind of manufacture method and axle housing of banjo axle.
Background technology
In China; minicar, light passenger train, offroad vehicle, light-duty and heavy motor truck increase with double-digit growth amplitude every year; and in auto industry; axle housing is the basic part that main reducing gear, differential mechanism, semiaxis, wheel hub and suspension are installed, and Main Function is to support and protect main reducing gear, differential mechanism and semiaxis etc.Meanwhile, axle housing is again one of chief component part of running gear.Driving axle housing not only should have enough strength and stiffness, also should be convenient to dismounting and the adjustment of main reducing gear.Driving axle housing can be divided into two classes structure, and a class is that banjo axle, a class are separable housings.
In the prior art, integral automobile axle housing generally has three kinds of method of manufacturing technology, and the one, casting, the 2nd, inner high voltage moulding, the 3rd, punch welding.For punch welding, defect is to need welding set square, has increased cost, weld seam is more, easily produce that stress is concentrated, the poor reliability of product.
Given this, be necessary to provide a kind of manufacture method of novel banjo axle, to overcome or to alleviate above-mentioned defect.
Summary of the invention
An object of the present invention is to provide a kind of manufacture method of banjo axle, the intensity of the axle housing of manufacturing by this manufacture method is high, rigidity is high, reliability is strong.
Another object of the present invention is to provide a kind of axle housing, and this axle housing is made by the manufacture method of banjo axle provided by the invention.
To achieve these goals, the invention provides a kind of manufacture method of banjo axle, wherein, the method comprises the following steps: a, blanking: choose materials in the tube; B, form hole: the relative both sides at the middle part of described materials in the tube process two coaxial through holes; C, undergauge: by the area reducing of the cross section of two ends of described materials in the tube; D, heating: the part to the residing materials in the tube of described through hole heats, wherein, heating-up temperature is 900 ℃～1200 ℃; E, reaming-forming: described through hole is carried out reaming and the part of the residing materials in the tube of described through hole is carried out to moulding, thereby make described materials in the tube be shaped to axle housing.
Preferably, the method meets to the plane of described axle housing the shaping that predetermined flatness requires after being also included in step e.
Preferably, the method is heat-treated technique to described axle housing after being also included in step e.
Preferably, in step a, the described materials in the tube of choosing are seamless rectangular pipe or seamless pipe.
Preferably, in step b, by cutting, form described two through holes.
Preferably, in step b, described through hole is slotted hole, and the length direction of described slotted hole is identical with the length direction of described materials in the tube.
Preferably, in step b, described two shape of through holes sizes are identical, and described in each, central axis of through hole is equal to the distance at the two ends of described materials in the tube.
Preferably, in step c, simultaneously by the area reducing of the cross section of two ends of described materials in the tube, and this step c comprises the transition face at the middle part of described two ends of processing and described materials in the tube.
Preferably, in steps d, the middle part that the residing part of described through hole is described materials in the tube.
Preferably, in step e, by broaching equipment and mould, the part of the residing materials in the tube of described through hole is carried out to reaming-forming.
Preferably, in step e, when described through hole is carried out to reaming, make the part of the residing materials in the tube of described through hole produce plastic deformation.
In addition, the present invention also provides a kind of axle housing, and wherein, described axle housing is by making according to the manufacture method described in technique scheme.
Pass through technique scheme, because the manufacture method of above-mentioned banjo axle comprises blanking, forms the step of hole, undergauge, heating and reaming-forming, and can form banjo axle by these steps, and do not need to weld set square, thereby the intensity that makes the axle housing manufactured by this manufacture method is high, rigidity is high, reliability is strong, long service life, and has reduced production cost.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the flow chart of the manufacture method of banjo axle according to the embodiment of the present invention.
Fig. 2 is the structural representation of axle housing according to the embodiment of the present invention.
Fig. 3 is the profile dissecing along the A-A line in Fig. 2.
Fig. 4 is the profile dissecing along the B-B line in Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
Referring to Fig. 1, according to an aspect of the present invention, provide a kind of manufacture method of banjo axle, wherein, the method comprises the following steps: a, blanking: choose materials in the tube; B, form hole: the relative both sides at the middle part of materials in the tube process two coaxial through holes; C, undergauge: by the area reducing of the cross section of two ends of materials in the tube; D, heating: the part to the residing materials in the tube of through hole heats, wherein, heating-up temperature is 900 ℃～1200 ℃; E, reaming-forming: through hole is carried out reaming and the part of the residing materials in the tube of through hole is carried out to moulding, thereby make materials in the tube be shaped to axle housing.
As mentioned above, because the manufacture method of above-mentioned banjo axle comprises blanking, forms the step of hole, undergauge, heating and reaming-forming, and can form banjo axle by these steps, and do not need to weld set square, thereby the intensity that makes the axle housing manufactured by this manufacture method is high, rigidity is high, reliability is strong, long service life, and has reduced production cost.
In addition, the method meets to the plane of axle housing the shaping that predetermined flatness requires after can also being included in step e, and after can being included in step e, axle housing is heat-treated to technique, can make axle housing lightweight like this, in the situation that not increasing axle housing sectional dimension, improve axle housing intensity, rigidity and bearing capacity, also can not increase axle housing quality.Here it should be noted that, above-mentioned shaping and heat treated step can be included in respectively in the manufacture method of banjo axle individually, also can include in the manufacture method of banjo axle, for example, after step e, axle housing is carried out to described shaping, then axle housing is heat-treated to technique and also belong to technical conceive of the present invention.
According to the embodiment of the present invention, in step a, the materials in the tube of choosing are seamless rectangular pipe or seamless pipe.And can pass through metal cutter blanking, but the invention is not restricted to this.
In step b, can for example by cutting machine, cut and form two through holes, this through hole can be slotted hole, the length direction of slotted hole is identical with the length direction of materials in the tube, so that reaming-forming step afterwards.And, in step b, preferably, two shape of through holes sizes are identical, and the central axis of each through hole is equal to the distance at the two ends of materials in the tube, like this, because step b(forms hole) at step c(undergauge) before, thus make materials in the tube be convenient to locate on special hydraulic press in undergauge process.Certainly, the present invention is not limited to this, and the central axis of not identical and each through hole of two shape of through holes sizes is also fine to the distance at the two ends of materials in the tube is unequal, and this all belongs to technical conceive of the present invention, ought to be subject to protection of the present invention.
In step c, can be simultaneously by the area reducing of the cross section of two ends of materials in the tube to save the working time, to increase work efficiency, for example, when materials in the tube are pipe, simultaneously by the reduced of two ends of materials in the tube, and this step c comprises the transition face at the middle part of two ends of processing and materials in the tube.Wherein, can be by using special hydraulic press to carry out upsetting circle to the terminal part of two ends, and make the cross section of the part of removing terminal part of two ends form rectangle, transition face between the terminal part of being justified by upsetting, the rectangle part of end and the middle part of materials in the tube can be circular arc, and all at step c(undergauge) in process at one time.Such benefit is: process at one time less investment, cost is low, axiality good, good looking appearance.In addition, through the geomery at each position of the materials in the tube of step c, be not limited to this, for example, use different moulds that materials in the tube are processed into different cross sections and size also belongs to protection scope of the present invention.
According to the embodiment of the present invention, in steps d, the middle part that the residing part of through hole is materials in the tube.But the invention is not restricted to this, that is to say, the part of heating can be even the whole part of materials in the tube, as long as comprised through hole, as long as and make these materials in the tube can be shaped to the axle housing conforming to quality requirements.In addition, although mentioned heating-up temperature in steps d, it is 900 ℃～1200 ℃, but be understandable that, this temperature range is only as preferred embodiment, be not intended to limit the present invention, that is, in conditions permit, also can realize under the object of the step that contributes to follow-up reaming-forming, this temperature range can suitably expand.
In addition, in step e, can to the part of the residing materials in the tube of through hole, carry out reaming-forming by broaching equipment and mould, the broaching equipment here and mould all can change, can process different axle housing products, and in step e, when through hole is carried out to reaming, make the part of the residing materials in the tube of through hole produce plastic deformation.
Referring to Fig. 2 to Fig. 4, another aspect of the present invention provides a kind of axle housing, and wherein, this axle housing is by making according to the manufacture method described in technique scheme.Because this axle housing does not have weld seam, so this not easy oil leakage of axle housing and intensity is high, rigidity is high, reliability is strong, long service life, appearance looks elegant.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. a manufacture method for banjo axle, is characterized in that, the method comprises the following steps:
A, blanking: choose materials in the tube;
B, form hole: the relative both sides at the middle part of described materials in the tube process two coaxial through holes;
C, undergauge: by the area reducing of the cross section of two ends of described materials in the tube;
D, heating: the part to the residing materials in the tube of described through hole heats, wherein, heating-up temperature is 900 ℃～1200 ℃;
E, reaming-forming: described through hole is carried out reaming and the part of the residing materials in the tube of described through hole is carried out to moulding, thereby make described materials in the tube be shaped to axle housing.
2. the manufacture method of banjo axle according to claim 1, is characterized in that, the method meets to the plane of described axle housing the shaping that predetermined flatness requires after being also included in step e.
3. the manufacture method of banjo axle according to claim 1, is characterized in that, the method is heat-treated technique to described axle housing after being also included in step e.
4. the manufacture method of banjo axle according to claim 1, is characterized in that, in step a, the described materials in the tube of choosing are seamless rectangular pipe or seamless pipe.
5. the manufacture method of banjo axle according to claim 1, is characterized in that, in step b, by cutting, forms described two through holes.
6. the manufacture method of banjo axle according to claim 1, is characterized in that, in step b, described through hole is slotted hole, and the length direction of described slotted hole is identical with the length direction of described materials in the tube.
7. the manufacture method of banjo axle according to claim 1, is characterized in that, in step b, described two shape of through holes sizes are identical, and described in each, central axis of through hole is equal to the distance at the two ends of described materials in the tube.
8. the manufacture method of banjo axle according to claim 1, it is characterized in that, in step c, simultaneously by the area reducing of the cross section of two ends of described materials in the tube, and this step c comprises the transition face at the middle part of described two ends of processing and described materials in the tube.
9. the manufacture method of banjo axle according to claim 1, is characterized in that, in steps d, and the middle part that the residing part of described through hole is described materials in the tube.
10. the manufacture method of banjo axle according to claim 1, is characterized in that, in step e, by broaching equipment and mould, the part of the residing materials in the tube of described through hole is carried out to reaming-forming.
The manufacture method of 11. banjo axles according to claim 1, is characterized in that, in step e, when described through hole is carried out to reaming, makes the part of the residing materials in the tube of described through hole produce plastic deformation.
12. 1 kinds of axle housings, is characterized in that, described axle housing is by making according to the manufacture method described in any one in claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593828.8A CN103586336A (en) | 2013-11-21 | 2013-11-21 | Manufacturing method of integral axle housing and axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593828.8A CN103586336A (en) | 2013-11-21 | 2013-11-21 | Manufacturing method of integral axle housing and axle housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103586336A true CN103586336A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310593828.8A Pending CN103586336A (en) | 2013-11-21 | 2013-11-21 | Manufacturing method of integral axle housing and axle housing |
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| CN (1) | CN103586336A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106077512A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077510A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077514A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077511A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body heat treatment method |
| CN106077475A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body Technology for Heating Processing |
| CN106216603A (en) * | 2016-07-26 | 2016-12-14 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body Technology for Heating Processing |
| CN113102624A (en) * | 2021-04-08 | 2021-07-13 | 吉林省车桥汽车零部件有限公司 | Internal expansion high-pressure forming method for special pipe of automobile axle housing |
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| CN103287207A (en) * | 2012-02-24 | 2013-09-11 | 上海永太汽车零部件厂 | Automobile axle housing and manufacturing method of automobile axle housing body |
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2013
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| CN1044244A (en) * | 1988-06-08 | 1990-08-01 | 沈阳弹簧厂 | Expanding and contracting forming technology of integrated type bridge casing of automobile |
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| JP2009096359A (en) * | 2007-10-17 | 2009-05-07 | Kunitekku:Kk | Vehicular axle housing and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106077512A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077510A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077514A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of front axle housing body Technology for Heating Processing |
| CN106077511A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body heat treatment method |
| CN106077475A (en) * | 2016-07-26 | 2016-11-09 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body Technology for Heating Processing |
| CN106216603A (en) * | 2016-07-26 | 2016-12-14 | 柳州金特新型耐磨材料股份有限公司 | A kind of rear axle housing body Technology for Heating Processing |
| CN113102624A (en) * | 2021-04-08 | 2021-07-13 | 吉林省车桥汽车零部件有限公司 | Internal expansion high-pressure forming method for special pipe of automobile axle housing |
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