CN106427400A - Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing - Google Patents
Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing Download PDFInfo
- Publication number
- CN106427400A CN106427400A CN201610496761.XA CN201610496761A CN106427400A CN 106427400 A CN106427400 A CN 106427400A CN 201610496761 A CN201610496761 A CN 201610496761A CN 106427400 A CN106427400 A CN 106427400A
- Authority
- CN
- China
- Prior art keywords
- cavity
- seamless tube
- internal diameter
- tube body
- driven axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/08—Dead axles, i.e. not transmitting torque of closed hollow section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides an axle housing of a driven axle. The axle housing of the driven axle comprises a seamless pipe body and two seamless pipe end parts, wherein the seamless pipe end parts are separately and seamlessly connected to two ends of the seamless pipe body; a through hole of which the inner diameter is not changed is formed between the two ends of the seamless pipe body; a penetrating hole is formed in each of the seamless pipe end parts; the inner diameter of the penetrating holes is not greater than that of the through hole; and the inner diameter of the penetrating holes at a connecting position of the seamless pipe end parts and the seamless pipe body is equal to that of the through hole. The invention also provides a shaping mold which is used for manufacturing the axle housing of the driven axle. The invention also provides a shaping technology for manufacturing the axle housing of the driven axle through the mold. According to the axle housing structure of the driven axle, as well as the shaping mold and the shaping technology of the axle housing disclosed by the invention, the axle housing of the driven axle is high in accuracy, high in strength, artistic in appearance, high in material utilization rate, simple in processing technology, and low in processing cost.
Description
Technical field
The present invention relates to auto parts and components structure-design technique field, more particularly, to a kind of driven axle shell and its shaping mould
Tool, further relates to a kind of moulding process.
Background technology
At present, the driven axle shell of automobile is mainly manufactured using punching press half casing tech, specifically, steel plate is cut out
Expect into two panels blank, then its welding is become axle housing originally by the punch forming respectively of two panels blank, machining commissure
Body.The axle housing of this technique productions, in two panels steel plate group to commissure, if control is improper asked it is easy to quality
Topic.Furthermore two panels steel plate will be cut out respectively, it is low also to there is stock utilization, complex manufacturing, long flow path, and production cost is high,
Outward appearance unsightly the problems such as.
Content of the invention
Present invention is primarily targeted at, overcome the defect that the driven carrying axle shell of existing automobile exists, and propose
A kind of new driven axle shell and its mould, technical problem to be solved be make driven axle shell high precision, intensity high,
Appearance looks elegant, stock utilization are high, and processing industry is also simpler, and processing cost is lower.
The object of the invention to solve the technical problems employs the following technical solutions to realize.Propose according to the present invention
A kind of driven axle shell, including：One seamless tube body and the seamless tube end at connection and seamless tube body two ends, described seamless
Tube end is seamlessly connected and is provided with constant the leading to of an internal diameter between described seamless tube body two ends, described seamless tube body two ends
Hole, described seamless tube end is provided with perforation, and the internal diameter of described perforation is not more than the internal diameter of described copper button, and described perforation is described
Seamless tube end is identical with described through hole internal diameter with the internal diameter at described seamless tube body link position.
Further, the thick 18%-20% of wall ratio seamless pipe body wall of described seamless pipe body end.
Further, described seamless tube body both ends include a transition part and a flange part, described transition part one end again
It is connected with described seamless tube body, the other end is connected with described flange part.
Further, uniformly, the internal diameter of described transition part is seamless with described in described transition part for the internal diameter of described flange part
Tube body junction is identical with the internal diameter of described seamless tube body, and the internal diameter of described transition part is along the docking of described seamless tube body
Locate to taper into the direction of described flange part joint identical to the internal diameter of described flange part.
Further, the section of described seamless pipe through-hole be square, rectangle or circle, the section of wherein said through hole and institute
State seamless tube body vertical along stretching direction.
Further, the section of the perforation of described seamless tube end is rounded, square or rectangle.
Due to the deformation with raw material in molding, the wall thickness at seamless tube body two ends increases compared with seamless pipe body wall thickness
18-20%, the increase of wall thickness makes driven carrying axle shell service life and bearing capacity be greatly improved.
Present invention also offers a kind of mould for manufacturing any of the above-described kind of driven axle shell, described mould
Inside it is provided with a cavity, described cavity is used for housing described seamless tube end, described cavity includes the first cavity and is located at described
Second cavity of first cavity one end, described first cavity is used for housing described transition part, and described second cavity is used for housing institute
State flange part, the size of described first cavity is equivalently-sized with described transition part, and the size of described second cavity is convex with described
Edge must not be equivalently-sized.
Further, described first cavity cross-section is in the trapezoidal of outward opening, and described second cavity cross-section is rectangular, wherein
The section of the first cavity and the second cavity is parallel along stretching direction with described seamless tube end.
The present invention also provides a kind of moulding process of the driven axle shell manufacturing using a kind of any of the above-described mould, institute
The two ends stating seamless tube body carry out undergauge processing by described mould；Again by seamless tube body successively by described shaping mould
The internal diameter size of described first cavity of tool and the second cavity carries out a point sequence undergauge processing, thus forming described seamless tube end.
Further, described point of sequence undergauge processing refers to, described seamless pipe end section two ends are carried out a point sequence undergauge, according to
The shape of described first cavity of described mould and the second cavity carries out processing and forming, and that is, the internal diameter of the first cavity is more than the
The internal diameter of two cavitys, so that the internal diameter of described transition part is more than the internal diameter of described flange part, thus forming described transition respectively
Portion and flange part.
By making driven axle shell using a seamless pipe, this driven axle shell is integrally formed the present invention, it is to avoid existing
There are the quality problems that commissure occurs using the driven axle shell that two panels steel plate is welded in technology, improve the utilization of material
Rate, simultaneously integrally formed driven axle shell outward appearance more preferably, and is increased by suppressing the wall thickness of the seamless pipe two ends end being formed
Plus, improve driven axle shell service life and bearing capacity.Meanwhile, the forming die structure that the present invention provides is simple, remodel into
This is low.In addition, the moulding process that the present invention provides, seamless pipe two ends can be made to carry out Integratively formed process, production technology
More simple, and it is less prone to crackle or other quality problems.
Brief description
Fig. 1 shows square seamless pipe body construction schematic diagram provided in an embodiment of the present invention.
Fig. 2 shows mould profile provided in an embodiment of the present invention.
Fig. 3 shows driven axle shell structural representation provided in an embodiment of the present invention.
Main element is as follows：
Seamless tube body 1；The through hole 10 of seamless pipe；Seamless tube body internal diameter d1：Mould 2；Cavity 20；First cavity
201；Second cavity 202；Seamless tube end 3；Perforation 30；Transition part 301；Flange part 302；Seamless pipe inner end diameter d2.
Specific embodiment
The present invention provides a kind of driven axle shell and its mould, and this driven axle shell is processed by seamless pipe, bag
Include seamless tube body 1 and the seamless tube end 3 being connected to seamless tube body 1 end, this is seamless to be provided between tube body 1 two ends
The constant through hole of one internal diameter 10, is provided with a perforation 30 in this is seamless tube end 3, the internal diameter of described perforation is not more than described through hole
Internal diameter, this is seamless, and tube body 1 is integrally formed with two seamless pipe body end 3.This mould, this driven bridge bridge for molding
Shell, is provided with a cavity 20 in mould 2, this cavity 20 includes the first cavity 201 and the second cavity 202, this first cavity
For housing above-mentioned transition part, this second cavity is used for housing above-mentioned flange part.
In addition, the present invention also provides a kind of moulding process of the above-mentioned driven axle shell manufacturing using above-mentioned mould,
This is seamless, and tube body 1 two ends carry out undergauge processing by this mould 2；Again by this seamless tube body 1 successively by this shaping mould
The internal diameter size of this first cavity 201 of tool and this second cavity 202 carries out a point sequence undergauge processing, thus forming this seamless pipe end
Portion.
Fig. 1 shows the structural representation of square seamless tube body 1 provided in an embodiment of the present invention, and this square seamless pipe is originally
Body 1 is the steel pipe that there is a through hole 10 inside, and the section of this through hole 10 is square, wherein the section of this through hole 10 and this seamless pipe basis
Body 1 is vertical along stretching direction, and this is seamless, and tube body 1 internal diameter d1 represents this square length of side；The end 3 of this square seamless pipe body 1
Inside it is provided with a perforation 30, the section of this perforation is rounded, the internal diameter d2 of this is seamless tube end represents this circular diameter.Fig. 2 shows
Go out the mould 2 of the embodiment of the present invention, this mould 2 is provided with a cavity 20, for housing above-mentioned end 3, its lumen
The second cavity 202 that body 20 includes one first cavity 201 again and is located at this first cavity one end, 202 edges of this first cavity 201
Seamless tube end is trapezoidal in one along stretching direction level cross-sectionn, and outwards, this second cavity 202 is along seamless tube end for this trapezoid-shaped openings
Along stretching, direction level cross-sectionn is rectangular, and the bond length that the long edge lengths of this rectangle are trapezoidal with this is identical, and that is, this is trapezoidal and is somebody's turn to do
Rectangle forms a continuous plane.Refer to Fig. 3, the square seamless pipe both ends of the present embodiment shown in Fig. 1 are compressing
Technology under so that blank tube material deformation, finally fit with mould 2 cavity inner wall, obtain the present embodiment as shown in Figure 3
Driven axle shell structure.Preferably, the present embodiment square shaped seamless pipe by the way of shaped by fluid pressure is processed.Should be from
Dynamic axle shell is made up of with this square seamless pipe both ends 3 square seamless tube body 1, the internal diameter at this square seamless pipe both ends 3
D2 is not more than the internal diameter d1 of this square seamless pipe body 1, and this square seamless pipe body and this square seamless pipe body both ends
It is integrally formed, decrease the quality problems occurring due to weld seam, save material, profile is more attractive in appearance.
Please continue to refer to Fig. 1, Fig. 2, Fig. 3, this square seamless pipe body 1 end includes a transition part 301 and a flange again
Portion 302, this transition part 301 one end is connected with this square seamless pipe body 1, and the other end is connected with this flange part 1, flange part 302
Internal diameter is uniform, and seamless can be contained in the second cavity 202 of mould 2.The internal diameter of this transition is along this square seamless pipe body
1 joint tapers into this flange part joint, finally, identical with this flange part internal diameter.Therefore, square seamless tube end
Internal diameter d2 be one change value, be constant in this d2 value of flange part, in transition part, this d2 value understand close along transition part
It is stepped up identical with square seamless tube body internal diameter d1 at flange part, and seamless can be contained in the first chamber of mould 2
Body 201.Similarly, since in molding with the deformation of raw material, end 3 wall thickness of this square seamless pipe body 1 is more square seamless
The wall thickness of tube body 1 increases 18-20%, thus improve driven axle shell service life and bearing capacity.The present invention is real at other
Apply in example, the through hole 30 of seamless tube body is rectangular or circular.In the present embodiment, the perforation of seamless tube end is rounded,
In other embodiment, the perforation of seamless tube end is square, rectangle or other shapes.
Please continue to refer to Fig. 2, this cavity 20 is used for housing seamless tube end 3, this first cavity 201 and this second cavity
202 are respectively used to accommodating transition part 301 and flange part 302, to cast the seamless tube end that the present invention proposes driven axle shell,
The section difference along seamless pipe end horizontal direction of the first cavity 201 of mould and the second cavity 202 in the present embodiment
Trapezoidal and rectangle, the section along seamless pipe end horizontal direction of the first cavity and the second cavity is in two in other embodiments
Individual trapezoidal, the combination of taper or other Reasonable Shape.Because the first cavity and the second cavity are the making according to driven axle shell
Require setting.This mould structure is simple, low cost of remodeling, and makes the one-tenth of the driven axle shell of the present invention using this mould
Type process is simple, low cost.
The moulding process of the driven axle shell of the present invention can also be by air-pressure forming in other embodiments, hot-forming
Or other moulding processs.
With continued reference to Fig. 1, Fig. 2, Fig. 3, specific moulding process step is as follows：The both ends 10 of this is seamless tube body 1 lead to
Cross this mould 2 and carry out undergauge processing；This is seamless tube end 10 is successively according to first cavity 201 and of this mould 2
The shape of two cavitys 202 carries out the processing of point sequence undergauge, the such as interior path length 100 of seamless tube body, two ends by a point sequence processing, first plus
Work, to internal diameter 90, reprocesses internal diameter 80, prevent because material stress deformation and cause in the course of processing occur crackle or other
Mass defect, is finally processed into the end 3 of seamless pipe.
In sum, although having been disclosed for the preferred embodiments of the present invention for the purpose of illustration, however, the present invention not only office
It is limited to embodiment as above, in the category without departing from basic fundamental thought of the present invention, the technical staff of relevant industries can
Various deformation and application are carried out to it.
Claims (10)
1. a kind of driven axle shell is it is characterised in that include：One seamless tube body and be connected to described seamless tube body two ends
Seamless tube end, described seamless tube end is seamlessly connected between described seamless tube body two ends, described seamless tube body two ends
It is provided with the constant through hole of an internal diameter, described seamless tube end is provided with a perforation, the internal diameter of described perforation is not more than described leading to
The internal diameter in hole, described perforation is in the internal diameter at described seamless tube end with described seamless tube body link position with described through hole
Footpath is identical.
2. driven axle shell according to claim 1 is it is characterised in that the wall ratio of described seamless pipe body end is seamless
The wall thickness thickness 18%-20% of tube body.
3. a kind of driven axle shell according to claim 1 is it is characterised in that described seamless tube end includes：One mistake
Cross portion and a flange part, one end of described transition part is connected with described seamless tube body, the other end of described transition part with described
Flange part is connected.
4. a kind of driven axle shell according to claim 3 is it is characterised in that the internal diameter of described flange part is uniform, described
The internal diameter of transition part is identical with the internal diameter of described seamless tube body with described seamless tube body junction in described transition part, described
The internal diameter of transition part along described seamless tube body joint to described flange part joint direction taper into to and institute
The internal diameter stating flange part is identical.
5. a kind of driven axle shell according to claim 1 it is characterised in that the section of described through hole be square, rectangle
Or circular, the section of wherein said through hole is vertical along stretching direction with described seamless tube body.
6. a kind of driven axle shell according to claim 1 is it is characterised in that the section of the perforation of described seamless tube end
Rounded, square or rectangle, the section of wherein said perforation and described seamless pipe portion of breaking is vertical along stretching direction.
7. a kind of mould for the driven axle shell of any one in manufacturing claims 1～6 it is characterised in that：Described
Be provided with a cavity in mould, described cavity is used for housing described seamless tube end, described cavity include the first cavity and
Positioned at second cavity of described first cavity one end, described first cavity is used for housing described transition part, and described second cavity is used
In accommodating described flange part, the size of described first cavity is equivalently-sized with described transition part, the size of described second cavity
Equivalently-sized with described flange part.
8. mould according to claim 7 is it is characterised in that described first cavity cross-section is in the ladder of outward opening
Shape, described second cavity cross-section is rectangular, and the section of the wherein first cavity and the second cavity and described seamless tube end are along the side of stretching
To parallel.
9. a kind of mould using claim 7 or 8 manufactures the moulding process of driven axle shell it is characterised in that described nothing
The two ends of slit-tube body carry out undergauge processing by described mould；Again by described seamless tube end successively according to described molding
The shape of described first cavity of mould and the second cavity carries out a point sequence undergauge processing, thus forming the transition part of seamless tube end
And flange part.
10. the moulding process of driven axle shell according to claim 9 is it is characterised in that described point of sequence undergauge processing is
Refer to diminish successively described seamless tube end is entered according to described first cavity of described mould and the internal diameter of the second cavity
Row point sequence processing and forming, thus form described transition part and flange part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496761.XA CN106427400A (en) | 2016-06-29 | 2016-06-29 | Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496761.XA CN106427400A (en) | 2016-06-29 | 2016-06-29 | Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106427400A true CN106427400A (en) | 2017-02-22 |
Family
ID=58183288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610496761.XA Pending CN106427400A (en) | 2016-06-29 | 2016-06-29 | Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106427400A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081942A (en) * | 1993-07-18 | 1994-02-16 | 丹东汽车工具厂 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
| CN1440842A (en) * | 2002-02-27 | 2003-09-10 | 长春汽车材料研究所 | Inner high pressure and reducing formation process of automobile axle shell |
| CN1666891A (en) * | 2005-04-30 | 2005-09-14 | 杨东洲 | Automobile integral drive axle housing and manufacturing method thereof |
| CA2841620A1 (en) * | 2004-10-28 | 2006-04-28 | U.S. Manufacturing Corporation | Method of manufacturing a tubular axle housing assembly with varying wall thickness |
| CA2557211A1 (en) * | 2005-08-25 | 2007-02-25 | James Main | Unitary rear axle housing and method for manufacturing same |
| CN102825140A (en) * | 2012-09-19 | 2012-12-19 | 燕山大学 | Reducing die for swelling pressure modeled type automobile axle case |
| CN103894476A (en) * | 2014-03-26 | 2014-07-02 | 吉林大学 | Overall thermal expansion manufacturing method for heavy-duty car drive axle housing |
| 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 |
| CN206067376U (en) * | 2016-06-29 | 2017-04-05 | 吉林省车桥汽车零部件有限公司 | A kind of driven axle shell and its mould |
-
2016
- 2016-06-29 CN CN201610496761.XA patent/CN106427400A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081942A (en) * | 1993-07-18 | 1994-02-16 | 丹东汽车工具厂 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
| CN1440842A (en) * | 2002-02-27 | 2003-09-10 | 长春汽车材料研究所 | Inner high pressure and reducing formation process of automobile axle shell |
| CA2841620A1 (en) * | 2004-10-28 | 2006-04-28 | U.S. Manufacturing Corporation | Method of manufacturing a tubular axle housing assembly with varying wall thickness |
| CN1666891A (en) * | 2005-04-30 | 2005-09-14 | 杨东洲 | Automobile integral drive axle housing and manufacturing method thereof |
| CA2557211A1 (en) * | 2005-08-25 | 2007-02-25 | James Main | Unitary rear axle housing and method for manufacturing same |
| CN102825140A (en) * | 2012-09-19 | 2012-12-19 | 燕山大学 | Reducing die for swelling pressure modeled type automobile axle case |
| CN103894476A (en) * | 2014-03-26 | 2014-07-02 | 吉林大学 | Overall thermal expansion manufacturing method for heavy-duty car drive axle housing |
| 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 |
| CN206067376U (en) * | 2016-06-29 | 2017-04-05 | 吉林省车桥汽车零部件有限公司 | A kind of driven axle shell and its mould |
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