CN110126549A - A kind of hollow half axle and its manufacturing method - Google Patents
A kind of hollow half axle and its manufacturing method Download PDFInfo
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- CN110126549A CN110126549A CN201910343659.XA CN201910343659A CN110126549A CN 110126549 A CN110126549 A CN 110126549A CN 201910343659 A CN201910343659 A CN 201910343659A CN 110126549 A CN110126549 A CN 110126549A
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- Prior art keywords
- long tube
- cavity
- spline
- external splines
- flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A kind of hollow half axle, including ring flange, jackshaft and splined end, the jackshaft are hollow structure, the long tube cavity including intermediate long tube and its internal setting；The splined end includes the spline line being arranged on external splines column and its side wall, and the inner end of external splines column is connected through changeover portion with the tail end of intermediate long tube, and changeover portion included section pipe and its internal adapter cavity opened up；The structure of the external splines column are as follows: when external splines column is solid construction, the radius of the cross section of external splines column is greater than the thickness of pipe of intermediate long tube；When external splines column is hollow structure, the inside of external splines column offers internal spline chamber, and the wall thickness of external splines column is greater than the thickness of pipe of intermediate long tube.The design not only lighter in weight, and spline intensity is higher, does not damage semiaxis quality.
Description
Technical field
The present invention relates to a kind of drive shaft, belong to technical field of automobile parts more particularly to a kind of hollow half axle and its
Manufacturing method it is particularly applicable to improve the intensity of spline on the basis of mitigating weight, and does not damage semiaxis quality.
Background technique
Semiaxis is also drive shaft, is the axis for connecting differential mechanism and driving wheel, and main function is transmitting torque, at present
Semiaxis it is mostly in the majority with solid construction, under the trend of automotive light weight technology, be no longer satisfied demand.
Application publication number is CN107283122A, and data of publication of application is that the application for a patent for invention on October 24th, 2017 discloses
A kind of manufacturing process of automobile hollow semiaxis, comprising the following steps: forged flange blank；Flange shape turning；Ring flange bores
Hole, chamfering and drill centers；Steel pipe cutting, end face, inner chamfer turning；Rub spline with the hands；It is friction welded；Intermediate frequency heat treatment and low temperature return
Fire；Alignment；Flange smart car；Antirust and packaging.Although the design with hollow cold pumping pipe by replacing solid rod iron that can reduce semiaxis
Weight, but it still has the following deficiencies:
The design directly rubs spline with the hands on hollow cold pumping pipe, causes the intensity of spline to be markedly less than other positions, damages semiaxis
Quality.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art
Art.
Summary of the invention
The purpose of the present invention is overcoming, spline intensity existing in the prior art is lower, damages the defect of semiaxis quality and asks
Topic, provides the hollow half axle and its manufacturing method that a kind of spline intensity is higher, does not damage semiaxis quality.
In order to achieve the above object, the technical solution of the invention is as follows: a kind of hollow half axle, including ring flange, jackshaft
It is connected with the head end of splined end, the jackshaft with ring flange, the tail end of jackshaft is connected with splined end；
The jackshaft is hollow structure, the long tube cavity including intermediate long tube and its internal setting；The splined end includes outer
The inner end of the spline line being arranged in splined post and its side wall, external splines column is connected through changeover portion with the tail end of intermediate long tube, and
Changeover portion included section pipe and its internal adapter cavity opened up；The structure of the external splines column is any one in following two
Kind:
When external splines column is solid construction, the radius of the cross section of external splines column is greater than the thickness of pipe of intermediate long tube；
When external splines column is hollow structure, the inside of external splines column offers internal spline chamber, during the wall thickness of external splines column is greater than
Between long tube the thickness of pipe.
The outer diameter of the spline line is identical as the diameter of jackshaft, and external splines column, jackshaft are coaxially disposed.
When external splines column is hollow structure, the adapter cavity include chamber side wall and the first Cavity surface being connected with its both ends,
Tail Cavity surface, tail Cavity surface are connected with internal spline chamber, first Cavity surface and long tube cavity be directly connected to or after overlap in spline with long tube
Inner cavity is connected；
When first Cavity surface and long tube cavity are directly connected to, first Cavity surface, tail Cavity surface diameter be shorter than the length of chamber side wall；
When first Cavity surface is connected after overlap in spline with long tube cavity, the diameter of first Cavity surface is longer than the length of chamber side wall.
The diameter of the internal spline chamber is less than the diameter of long tube cavity.
When external splines column is solid construction, the adapter cavity include chamber side wall and the first Cavity surface being connected with its both ends,
Tail Cavity surface, the diameter of first Cavity surface are longer than the length of chamber side wall, and tail Cavity surface is connected with the spline stepped hole being arranged in external splines column,
First Cavity surface is connected after overlap in spline with long tube cavity.
The ring flange includes flange surface and ring flange end, and the middle part of the flange surface and the one end at ring flange end are hung down
Direct-connected to connect, the other end at ring flange end is connected with the head end of intermediate long tube；One end of nearly intermediate long tube on the ring flange end
Be internally provided with flange stepped hole, flange stepped hole overlap in flange is connected with long tube cavity, and overlap in flange
Positioned at ring flange end, the junction of intermediate long tube.
A kind of manufacturing method of above-mentioned hollow half axle, the manufacturing method include the manufacture craft of external splines column, the production
Technique is any one in following three kinds:
The first: first choosing the intermediate long tube of predetermined length, long tube cavity is arranged inside, then heat to the tail end of intermediate long tube
So that it softens, then by the tail end insertion of intermediate long tube in the cavity plate of plug, after insertion, plug is located at long tube inner cavity
In, the pedestal that the tail end of intermediate long tube is connect with plug bottom end is in contact, then intermediate long tube is continued to insert to the direction of pedestal
Enter so that the making material on intermediate long tube tail end generates flowing, until being deformed into external splines column, the wall thickness of the external splines column is big
In the thickness of pipe of intermediate long tube, at this point, the position for being located at plug periphery on intermediate long tube forms changeover portion, internal spline chamber is through adapter cavity
It is connected with long tube cavity；
Second: first choose predetermined length intermediate long tube, long tube cavity is arranged inside, then choose predetermined length spline it is long
Pipe, the inside of the spline long tube offer internal spline chamber and adapter cavity, and the wall thickness of spline long tube is greater than the thickness of pipe of intermediate long tube, so
The tail end of spline long tube and intermediate long tube is welded afterwards, after welding, spline long tube is changeover portion interconnected and outer
Splined post, at this point, internal spline chamber is connected after adapter cavity with long tube cavity；
The third: first choosing the intermediate long tube of predetermined length, long tube cavity be arranged inside, then choose the solid length of predetermined length
Stick, the radius of the cross section of the solid long stick are greater than the thickness of pipe of intermediate long tube, then on solid long stick will to intermediate long tube
The inside of the one end being connected offers spline stepped hole and adapter cavity, then the tail end of solid long stick and intermediate long tube is welded
Connect, after welding, solid long stick is changeover portion interconnected and external splines column, at this point, spline stepped hole after adapter cavity with
Long tube cavity is connected.
The manufacturing method further includes the manufacture craft of ring flange, the manufacture craft the following steps are included:
It first chooses the solid bar of predetermined length, then drills method to be sequentially communicated from the inside to the outside in the tail end of solid bar
Then the tail end of solid bar and the head end of intermediate long tube are carried out coaxial welding, then butt welding by blue stepped hole, flange welding hole
Solid bar after connecing, intermediate long tube are cooled down, and are then heated to the head end of solid bar so that it softens, then will be soft
The head end of the solid bar of change is forged into flange surface, then cools down resulting flange surface to obtain the ring flange.
The welding procedure is all friction welding；
In described second: when welding, spline long tube, intermediate long tube junction generate overlap in spline, after welding, spline is long
Pipe is changeover portion interconnected and external splines column, at this point, internal spline chamber successively after overlap in adapter cavity, spline with long tube
Inner cavity is connected；
It is described in the third: when welding, solid long stick, intermediate long tube junction generate overlap in spline, after welding, solid length
Stick is changeover portion interconnected and external splines column, at this point, spline stepped hole successively after overlap in adapter cavity, spline with length
Tube cavity is connected；
In the manufacture craft of the ring flange: the position being in contact on intermediate long tube with flange welding hole when welding and flange weldering
It connects hole and is changed into overlap in flange, flange stepped hole overlap in flange is connected with long tube cavity.
Described in the first, the tail end to intermediate long tube heats so that its softening refers to: by the tail end of intermediate long tube
Temperature be heated to 1000-1250 DEG C；
In the manufacture craft of the ring flange, the head end to solid bar is heated so that its softening refers to: will be solid
The temperature of the head end of bar is heated to 1000-1250 DEG C.
Compared with prior art, the invention has the benefit that
1, in a kind of hollow half axle of the present invention and its manufacturing method, splined end includes the spline being arranged on external splines column and its side wall
Line, external splines column are divided into solid construction and two kinds of hollow structure, either hollow structure or solid construction, in external splines column
The thickness of solid position is both greater than the thickness of pipe of intermediate long tube, which can enhance the mechanical strength of external splines column, to improve
The intensity of splined end, so that on the basis of intermediate long tube has realized light-weighted, it is ensured that the quality of entire semiaxis.In addition, outer flower
Internal spline chamber can also be set in key column to further decrease weight.Therefore, the present invention not only lighter in weight, but also spline intensity
It is higher, do not damage semiaxis quality.
2, in a kind of hollow half axle of the present invention and its manufacturing method, the inner end of external splines column is through changeover portion and intermediate long tube
Tail end is connected, and changeover portion included that section pipe and its internal adapter cavity opened up, the design can not only realize intermediate long tube
It with the connection of external splines column, and both can alleviate stress when connection, stress is avoided to concentrate, to improve product quality, this
Outside, the design of adapter cavity can also meet light-weighted target in changeover portion.Therefore, the present invention not only lighter in weight, but also can keep away
Exempt from stress concentration, product quality is higher.
3, in a kind of hollow half axle of the present invention and its manufacturing method, ring flange includes flange surface and ring flange end, flange
One end of nearly intermediate long tube is internally provided with flange stepped hole on disk end, and in flange overlap is located at ring flange end, centre long tube
Junction, in the flange overlap mainly by welding when flange welding hole formed, when which can not only avoid welding
Stress is concentrated, and to improve product quality, and reduces connection difficulty.Therefore, not only product quality is higher by the present invention, Er Qieyi
In operation.
4, in a kind of hollow half axle of the present invention and its manufacturing method, when make external splines column, there are three types of technique can select
Select, including using intermediate long tube, using spline long tube, using solid long stick, adjustability is stronger, and adapting to different production needs
It asks, and the mechanical strength of splined end can be improved, it is ensured that the quality of semiaxis.Therefore, not only production effect is preferable by the present invention, and
And application range is wider.
5, in a kind of hollow half axle of the present invention and its manufacturing method, in manufacturing flange disk, using first welding solid bar,
The head end of solid bar is heated again so that it softens, the method for being subsequently processed into type can not only ensure flange surface
With the verticality of intermediate long tube, and the tooling of welding can be simplified, optimize entire production process.Therefore, the present invention not only produces
Quality is preferable, and production efficiency is higher.
Detailed description of the invention
Fig. 1 is a schematic structural view of Embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of Embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of Embodiment 3 of the present invention.
Fig. 4 is in invention using the operation chart of cavity plate production external splines column.
Fig. 5 is the structural schematic diagram of the solid bar used in the present invention.
Fig. 6 is the connection schematic diagram of solid bar and intermediate long tube in the embodiment of the present invention 1.
Fig. 7 is the connection schematic diagram of solid bar and intermediate long tube in the embodiment of the present invention 2.
Fig. 8 is the connection schematic diagram of solid bar and intermediate long tube in the embodiment of the present invention 3.
In figure: spline line 1, jackshaft 2, intermediate long tube 21, long tube cavity 22, splined end 3, external splines column 31, internal spline
Overlap 33, spline stepped hole 34, spline long tube 35, ring flange 4, flange surface 41, ring flange end 42, flange in chamber 32, spline
Welding hole 43, flange stepped hole 44, cross section pipe 51, adapter cavity 52, chamber side wall 53, first Cavity surface at overlap 45, changeover portion 5 in flange
54, tail Cavity surface 55, cavity plate 6, plug 61, pedestal 62, solid long stick 7, solid bar 8.
Left end in Fig. 1 is the head end in text, and the right end in Fig. 1 is the tail end in text.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 8, a kind of hollow half axle, including ring flange 4, jackshaft 2 and splined end 3, the jackshaft 2
Head end is connected with ring flange 4, and the tail end of jackshaft 2 is connected with splined end 3；
The jackshaft 2 is hollow structure, the long tube cavity 22 including intermediate long tube 21 and its internal setting；The splined end 3
Including the spline line 1 being arranged on external splines column 31 and its side wall, the inner end of external splines column 31 is through changeover portion 5 and intermediate long tube 21
Tail end is connected, and changeover portion 5 included section pipe 51 and its internal adapter cavity 52 opened up；The structure of the external splines column 31 is
Any one in following two:
When external splines column 31 is solid construction, the radius of the cross section of external splines column 31 is greater than the thickness of pipe of intermediate long tube 21；
When external splines column 31 is hollow structure, the inside of external splines column 31 offers internal spline chamber 32, the wall of external splines column 31
Thickness is greater than the thickness of pipe of intermediate long tube 21.
The outer diameter of the spline line 1 is identical as the diameter of jackshaft 2, and external splines column 31, jackshaft 2 are coaxially disposed.
When external splines column 31 is hollow structure, the adapter cavity 52 includes chamber side wall 53 and the head being connected with its both ends
Cavity surface 54, tail Cavity surface 55, tail Cavity surface 55 are connected with internal spline chamber 32, and first Cavity surface 54 is directly connected to or with long tube cavity 22 through flower
It is connected after overlap 33 with long tube cavity 22 in key；
When first Cavity surface 54 is directly connected to long tube cavity 22, first Cavity surface 54, tail Cavity surface 55 diameter be shorter than chamber side wall 53
Length；
When first Cavity surface 54 is connected after overlap 33 in spline with long tube cavity 22, the diameter of first Cavity surface 54 is longer than chamber side wall 53
Length.
The diameter of the internal spline chamber 32 is less than the diameter of long tube cavity 22.
When external splines column 31 is solid construction, the adapter cavity 52 includes chamber side wall 53 and the head being connected with its both ends
Cavity surface 54, tail Cavity surface 55, the diameter of first Cavity surface 54 are longer than the length of chamber side wall 53, are arranged in tail Cavity surface 55 and external splines column 31
Spline stepped hole 34 is connected, and first Cavity surface 54 is connected after overlap 33 in spline with long tube cavity 22.
The ring flange 4 includes flange surface 41 and ring flange end 42, the middle part and ring flange end of the flange surface 41
42 one end vertically connects, and the other end at ring flange end 42 is connected with the head end of intermediate long tube 21；On the ring flange end 42
One end of nearly intermediate long tube 21 is internally provided with flange stepped hole 44, the flange stepped hole 44 overlap 45 and long tube in flange
Inner cavity 22 is connected, and overlap 45 is located at the junction at ring flange end 42, intermediate long tube 21 in flange.
A kind of manufacturing method of above-mentioned hollow half axle, the manufacturing method include the manufacture craft of external splines column 31, the system
Making technique is any one in following three kinds:
The first: first choosing the intermediate long tube 21 of predetermined length, long tube cavity 22, then the tail to intermediate long tube 21 be arranged inside
Then end heating has the tail end insertion of intermediate long tube 21 in the cavity plate 6 of plug 61 so that its softening, after insertion, plug 61
In long tube cavity 22, the pedestal 62 that the tail end of intermediate long tube 21 is connect with 61 bottom end of plug is in contact, then centre is long
Pipe 21 is continued into the direction of pedestal 62 so that the making material on 21 tail end of intermediate long tube generates flowing, until being deformed into outer
Splined post 31, the wall thickness of the external splines column 31 are greater than the thickness of pipe of intermediate long tube 21, at this point, being located at plug 61 weeks on intermediate long tube 21
The position on side forms changeover portion 5, and internal spline chamber 32 is connected through adapter cavity 52 with long tube cavity 22；
Second: first choosing the intermediate long tube 21 of predetermined length, long tube cavity 22 is arranged inside, then choose the flower of predetermined length
Bond distance's pipe 35, the inside of the spline long tube 35 offer internal spline chamber 32 and adapter cavity 52, during the wall thickness of spline long tube 35 is greater than
Between long tube 21 the thickness of pipe, then the tail end of spline long tube 35 and intermediate long tube 21 is welded, after welding, spline long tube 35 is
For changeover portion interconnected 5 and external splines column 31, at this point, internal spline chamber 32 is connected after adapter cavity 52 with long tube cavity 22
It connects；
The third: first choosing the intermediate long tube 21 of predetermined length, long tube cavity 22 be arranged inside, then choose the reality of predetermined length
The long stick 7 of the heart, the radius of the cross section of the solid long stick 7 are greater than the thickness of pipe of intermediate long tube 21, then on solid long stick 7 will to
The inside of one end that intermediate long tube 21 is connected offers spline stepped hole 34 and adapter cavity 52, then by solid long stick 7 with it is intermediate
The tail end of long tube 21 is welded, and after welding, solid long stick 7 is changeover portion 5 and external splines column 31 interconnected, at this point,
Spline stepped hole 34 is connected after adapter cavity 52 with long tube cavity 22.
The manufacturing method further includes the manufacture craft of ring flange 4, the manufacture craft the following steps are included:
First choose the solid bar 8 of predetermined length, then solid bar 8 tail end drilling to be sequentially communicated from the inside to the outside
Then the tail end of solid bar 8 and the head end of intermediate long tube 21 are carried out coaxial weldering by flange stepped hole 44, flange welding hole 43
Connect, then the solid bar 8 after welding, intermediate long tube 21 cooled down, then the head end of solid bar 8 is heated so that
It softens, then the head end of the solid bar 8 of softening is forged into flange surface 41, then cool down resulting flange surface 41 to obtain
The ring flange 4.
The welding procedure is all friction welding；
In described second: when welding, spline long tube 35, intermediate long tube 21 junction generate overlap 33 in spline, after welding,
Spline long tube 35 is changeover portion 5 interconnected and external splines column 31, at this point, internal spline chamber 32 is successively through adapter cavity 52, flower
It is connected after overlap 33 with long tube cavity 22 in key；
It is described in the third: when welding, solid long stick 7, intermediate long tube 21 junction generate overlap 33 in spline, after welding,
Solid long stick 7 is changeover portion 5 interconnected and external splines column 31, at this point, spline stepped hole 34 is successively through adapter cavity 52, flower
It is connected after overlap 33 with long tube cavity 22 in key；
In the manufacture craft of the ring flange 4: the position being in contact on intermediate long tube 21 with flange welding hole 43 when welding and method
Blue welding hole 43 is changed into overlap 45 in flange, and the overlap 45 in flange of flange stepped hole 44 is connected with long tube cavity 22.
Described in the first, the tail end to intermediate long tube 21 heats so that its softening refers to: by intermediate long tube 21
The temperature of tail end is heated to 1000-1250 DEG C；
In the manufacture craft of the ring flange 4, the head end to solid bar 8 is heated so that its softening refers to: will be real
The temperature of the head end of axle material 8 is heated to 1000-1250 DEG C.
The principle of the present invention is described as follows:
The present invention it is main the technical solution adopted is that: the wall thickness of the tail end of intermediate long tube 21 is thicker, to become as splined end 3
There are three types of thick modes, including the direct jumping-up of intermediate long tube 21, welding spline long tube 35 or the solid long stick 7 of welding.It is basic herein
On, for making then as in the head end of intermediate long tube 21 welding solid bar 8, then the head end to solid bar 8 for ring flange 4
It is heated and softened, then with shaped flange disk 41 by way of forging.
Embodiment 1:
Referring to Fig. 1 to Fig. 8, a kind of hollow half axle, including ring flange 4, jackshaft 2 and splined end 3, the head end of the jackshaft 2
It is connected with ring flange 4, the tail end of jackshaft 2 is connected with splined end 3；The jackshaft 2 is hollow structure, including intermediate long
Pipe 21 and its long tube cavity 22 of internal setting；The splined end 3 includes the spline line being arranged on external splines column 31 and its side wall
1, the inner end of external splines column 31 is connected through changeover portion 5 with the tail end of intermediate long tube 21, and changeover portion 5 included section pipe 51 and its
The adapter cavity 52 that inside opens up；The external splines column 31 is hollow structure, and the inside of external splines column 31 offers internal spline chamber 32,
The wall thickness of external splines column 31 is greater than the thickness of pipe of intermediate long tube 21, and the adapter cavity 52 includes chamber side wall 53 and is connected with its both ends
First Cavity surface 54, tail Cavity surface 55, tail Cavity surface 55 is connected with internal spline chamber 32, and first Cavity surface 54 is directly connected to long tube cavity 22,
First Cavity surface 54, tail Cavity surface 55 diameter be shorter than chamber side wall 53 length.
A kind of manufacturing method of above-mentioned hollow half axle, the manufacturing method include the manufacture craft of external splines column 31, the system
Refer to as technique: first choosing the intermediate long tube 21 of predetermined length, long tube cavity 22, then the tail to intermediate long tube 21 is arranged inside
Then end heating has the tail end insertion of intermediate long tube 21 in the cavity plate 6 of plug 61 so that its softening, after insertion, plug 61
In long tube cavity 22, the pedestal 62 that the tail end of intermediate long tube 21 is connect with 61 bottom end of plug is in contact, then centre is long
Pipe 21 is continued into the direction of pedestal 62 so that the making material on 21 tail end of intermediate long tube generates flowing, until being deformed into outer
Splined post 31, the wall thickness of the external splines column 31 are greater than the thickness of pipe of intermediate long tube 21, at this point, being located at plug 61 weeks on intermediate long tube 21
The position on side forms changeover portion 5, and internal spline chamber 32 is connected through adapter cavity 52 with long tube cavity 22.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
In structure: first Cavity surface 54 is connected after overlap 33 in spline with long tube cavity 22, and the diameter of first Cavity surface 54 is longer than chamber side
Enclose 53 length.
In production method: the manufacturing method includes the manufacture craft of external splines column 31, which refers to: first choosing
Long tube cavity 22 is arranged inside in the intermediate long tube 21 of predetermined length, then chooses the spline long tube 35 of predetermined length, and the spline is long
The inside of pipe 35 offers internal spline chamber 32 and adapter cavity 52, and the wall thickness of spline long tube 35 is greater than the thickness of pipe of intermediate long tube 21, so
Spline long tube 35 and the tail end of intermediate long tube 21 are welded afterwards, after welding, spline long tube 35 is transition interconnected
Section 5 and external splines column 31, at this point, internal spline chamber 32 is connected after adapter cavity 52 with long tube cavity 22.Welding procedure is preferably
Friction welding.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
In structure: external splines column 31 is solid construction, and the radius of the cross section of external splines column 31 is greater than the thickness of pipe of intermediate long tube 21,
The adapter cavity 52 is long including chamber side wall 53 and the first Cavity surface 54, the tail Cavity surface 55 that are connected with its both ends, the diameter of first Cavity surface 54
In the length of chamber side wall 53, the spline stepped hole 34 being arranged in tail Cavity surface 55 and external splines column 31 is connected, and first Cavity surface 54 is through flower
It is connected after overlap 33 with long tube cavity 22 in key.
In production method: the manufacturing method includes the manufacture craft of external splines column 31, which refers to: first choosing
Long tube cavity 22 is arranged inside in the intermediate long tube 21 of predetermined length, then chooses the solid long stick 7 of predetermined length, the solid length
The radius of the cross section of stick 7 is greater than the thickness of pipe of intermediate long tube 21, then will be to be connected with intermediate long tube 21 on solid long stick 7
The inside of one end offer spline stepped hole 34 and adapter cavity 52, then the tail end of solid long stick 7 and intermediate long tube 21 is carried out
Welding, after welding, solid long stick 7 is changeover portion 5 interconnected and external splines column 31, at this point, spline stepped hole 34 passes through
It is connected after crossing chamber 52 with long tube cavity 22.Welding procedure is preferably friction welding.
Embodiment 4:
On the basis of above-described embodiment 1,2 or 3, increased content is:
In structure: ring flange 4 includes flange surface 41 and ring flange end 42, the middle part and ring flange end 42 of the flange surface 41
One end vertically connect, the other end at ring flange end 42 is connected with the head end of intermediate long tube 21；It is close on the ring flange end 42
One end of intermediate long tube 21 is internally provided with flange stepped hole 44, and the flange stepped hole 44 is in flange in overlap 45 and long tube
Chamber 22 is connected, and overlap 45 is located at the junction at ring flange end 42, intermediate long tube 21 in flange.
In production method: first choose predetermined length solid bar 8, then solid bar 8 tail end drilling with obtain by
It is interior to the flange stepped hole 44 being sequentially communicated outside, flange welding hole 43, then by the tail end of solid bar 8 and intermediate long tube 21
Head end carries out coaxial welding, then cools down to the solid bar 8 after welding, intermediate long tube 21, then to solid bar 8
Head end is heated so that it softens, then the head end of the solid bar 8 of softening is forged into flange surface 41, then cool down resulting
Flange surface 41 is to obtain the ring flange 4.Welding procedure is preferably friction welding.
The foregoing is merely better embodiment of the invention, protection scope of the present invention is not with above embodiment
Limit, as long as those of ordinary skill in the art's equivalent modification or variation made by disclosure according to the present invention, should all be included in power
In the protection scope recorded in sharp claim.
Claims (10)
1. a kind of hollow half axle, including ring flange (4), jackshaft (2) and splined end (3), the head end and method of the jackshaft (2)
Blue disk (4) is connected, and the tail end of jackshaft (2) is connected with splined end (3), it is characterised in that:
The jackshaft (2) is hollow structure, the long tube cavity (22) including intermediate long tube (21) and its internal setting；The flower
Key end (3) includes the spline line (1) being arranged on external splines column (31) and its side wall, and the inner end of external splines column (31) is through changeover portion
(5) it is connected with the tail end of intermediate long tube (21), and changeover portion (5) included section pipe (51) and its internal adapter cavity opened up
(52)；The structure of the external splines column (31) is any one in following two:
When external splines column (31) are solid construction, the radius of the cross section of external splines column (31) is greater than the pipe of intermediate long tube (21)
It is thick；
When external splines column (31) are hollow structure, the inside of external splines column (31) offers internal spline chamber (32), external splines column
(31) wall thickness is greater than the thickness of pipe of intermediate long tube (21).
2. a kind of hollow half axle according to claim 1, it is characterised in that: the outer diameter and jackshaft of the spline line (1)
(2) diameter is identical, and external splines column (31), jackshaft (2) are coaxially disposed.
3. a kind of hollow half axle according to claim 1 or 2, it is characterised in that: when external splines column (31) are hollow structure
When, the adapter cavity (52) includes first Cavity surface (54), the tail Cavity surface (55) that chamber side wall (53) both ends Ji Yuqi are connected, tail Cavity surface
(55) it is connected with internal spline chamber (32), first Cavity surface (54) and long tube cavity (22) are directly connected to or after overlap in spline (33)
It is connected with long tube cavity (22)；
When first Cavity surface (54) and long tube cavity (22) are directly connected to, first Cavity surface (54), tail Cavity surface (55) diameter be shorter than chamber
The length of side wall (53)；
When first Cavity surface (54) is connected after overlap in spline (33) with long tube cavity (22), the diameter of first Cavity surface (54) is longer than
The length of chamber side wall (53).
4. a kind of hollow half axle according to claim 3, it is characterised in that: the diameter of the internal spline chamber (32) is less than length
The diameter of tube cavity (22).
5. a kind of hollow half axle according to claim 1 or 2, it is characterised in that: when external splines column (31) are solid construction
When, the adapter cavity (52) includes first Cavity surface (54), the tail Cavity surface (55) that chamber side wall (53) both ends Ji Yuqi are connected, first Cavity surface
(54) diameter is longer than the length of chamber side wall (53), the spline stepped hole (34) being arranged in tail Cavity surface (55) and external splines column (31)
It is connected, first Cavity surface (54) is connected after overlap in spline (33) with long tube cavity (22).
6. a kind of hollow half axle according to claim 1 or 2, it is characterised in that: the ring flange (4) includes flange surface
(41) with ring flange end (42), the middle part of the flange surface (41) is vertical with the one end of ring flange end (42) to be connect, ring flange
The other end of (42) and the head end of intermediate long tube (21) is held to be connected；The one of nearly intermediate long tube (21) on the ring flange end (42)
End is internally provided with flange stepped hole (44), the flange stepped hole (44) overlap (45) and long tube cavity (22) phase in flange
Connection, and overlap (45) is located at the junction at ring flange end (42), intermediate long tube (21) in flange.
7. a kind of manufacturing method of hollow half axle described in claim 1, it is characterised in that: the manufacturing method includes external splines
The manufacture craft of column (31), the manufacture craft are any one in following three kinds:
The first: first choosing the intermediate long tube (21) of predetermined length, long tube cavity (22) be arranged inside, then to intermediate long tube
(21) tail end heats so that it softens, then by the tail end insertion of intermediate long tube (21) in the cavity plate (6) of plug (61),
After insertion, plug (61) is located in long tube cavity (22), the bottom that the tail end of intermediate long tube (21) is connect with plug (61) bottom end
Seat (62) is in contact, then intermediate long tube (21) is continued into the direction of pedestal (62) so that on intermediate long tube (21) tail end
Making material generates flowing, until being deformed into external splines column (31), the wall thickness of the external splines column (31) is greater than intermediate long tube (21)
The thickness of pipe, at this point, the position for being located at plug (61) periphery on intermediate long tube (21) forms changeover portion (5), internal spline chamber (32) warp
Adapter cavity (52) is connected with long tube cavity (22)；
Second: first choosing the intermediate long tube (21) of predetermined length, long tube cavity (22) are arranged inside, then choose predetermined length
Spline long tube (35), the inside of the spline long tube (35) offers internal spline chamber (32) and adapter cavity (52), spline long tube
(35) wall thickness is greater than the thickness of pipe of intermediate long tube (21), then welds spline long tube (35) and the tail end of intermediate long tube (21)
It connects, after welding, spline long tube (35) is changeover portion interconnected (5) and external splines column (31), at this point, internal spline chamber (32)
It is connected after adapter cavity (52) with long tube cavity (22)；
The third: first choosing the intermediate long tube (21) of predetermined length, long tube cavity (22) be arranged inside, then choose predetermined length
Solid long stick (7), the radius of the cross section of the solid long stick (7) is greater than the thickness of pipe of intermediate long tube (21), then in solid length
The inside of one end to be connected with intermediate long tube (21) is offered into spline stepped hole (34) and adapter cavity (52) on stick (7),
The tail end of solid long stick (7) and intermediate long tube (21) is welded again, after welding, solid long stick (7) is as interconnected
Changeover portion (5) and external splines column (31), at this point, spline stepped hole (34) is connected after adapter cavity (52) with long tube cavity (22)
It connects.
8. a kind of manufacturing method of hollow half axle according to claim 7, it is characterised in that: the manufacturing method further includes
The manufacture craft of ring flange (4), the manufacture craft the following steps are included:
The solid bar (8) of predetermined length is first chosen, then is drilled in the tail end of solid bar (8) to obtain from the inside to the outside successively phase
Logical flange stepped hole (44), flange welding hole (43), then by the head end of the tail end of solid bar (8) and intermediate long tube (21)
Coaxial welding is carried out, then the solid bar (8) after welding, intermediate long tube (21) are cooled down, then to solid bar (8)
Head end heated so that it softens, then the head end of the solid bar (8) of softening is forged into flange surface (41), then cool down
Resulting flange surface (41) is to obtain the ring flange (4).
9. a kind of manufacturing method of hollow half axle according to claim 7 or 8, it is characterised in that: the welding procedure is all
For friction welding；
In described second: when welding, spline long tube (35), intermediate long tube (21) junction generate overlap (33) in spline,
After welding, spline long tube (35) is changeover portion interconnected (5) and external splines column (31), at this point, internal spline chamber (32) according to
It is secondary to be connected after overlap (33) in adapter cavity (52), spline with long tube cavity (22)；
It is described in the third: when welding, solid long stick (7), intermediate long tube (21) junction generate overlap (33) in spline, weldering
After connecing, solid long stick (7) is changeover portion interconnected (5) and external splines column (31), at this point, spline stepped hole (34) is successively
It is connected after overlap (33) in adapter cavity (52), spline with long tube cavity (22)；
In the manufacture craft of the ring flange (4): when welding, the portion that is in contact on intermediate long tube (21) with flange welding hole (43)
Position and flange welding hole (43) are changed into overlap in flange (45), and flange stepped hole (44) is in flange in overlap (45) and long tube
Chamber (22) is connected.
10. a kind of manufacturing method of hollow half axle according to claim 7 or 8, it is characterised in that:
Described in the first, the tail end to intermediate long tube (21) heats so that its softening refers to: by intermediate long tube (21)
The temperature of tail end is heated to 1000-1250 DEG C；
In the manufacture craft of the ring flange (4), the head end to solid bar (8) is heated so that its softening refers to:
The temperature of the head end of solid bar (8) is heated to 1000-1250 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910343659.XA CN110126549A (en) | 2019-04-26 | 2019-04-26 | A kind of hollow half axle and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910343659.XA CN110126549A (en) | 2019-04-26 | 2019-04-26 | A kind of hollow half axle and its manufacturing method |
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| Publication Number | Publication Date |
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| CN110126549A true CN110126549A (en) | 2019-08-16 |
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ID=67575357
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| CN201910343659.XA Pending CN110126549A (en) | 2019-04-26 | 2019-04-26 | A kind of hollow half axle and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015110A (en) * | 2019-12-23 | 2020-04-17 | 西部金属材料股份有限公司 | Preparation method of metal pipe fitting difficult to deform |
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| KR20140072252A (en) * | 2012-11-29 | 2014-06-13 | 현대다이모스(주) | Hollow dirive shaft and manufacturing method thereof |
| CN203739547U (en) * | 2014-02-13 | 2014-07-30 | 北京福田戴姆勒汽车有限公司 | Vehicle and vehicle axle shaft |
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| CN107458152A (en) * | 2016-06-04 | 2017-12-12 | 邓军 | A kind of automotive axle semi-axis structure |
| WO2018029712A2 (en) * | 2016-08-11 | 2018-02-15 | Bharat Forge Limited | Axle shaft and its manufacturing |
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|---|---|---|---|---|
| JPH05221203A (en) * | 1991-09-11 | 1993-08-31 | Hino Motors Ltd | Axle shaft and its manufacture |
| CN2216475Y (en) * | 1995-03-08 | 1996-01-03 | 任荃 | Hole-bored semi axle for vehicle |
| KR20140072252A (en) * | 2012-11-29 | 2014-06-13 | 현대다이모스(주) | Hollow dirive shaft and manufacturing method thereof |
| CN203126393U (en) * | 2012-12-27 | 2013-08-14 | 郑州精益达汽车零部件有限公司 | Light-weight half shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015110A (en) * | 2019-12-23 | 2020-04-17 | 西部金属材料股份有限公司 | Preparation method of metal pipe fitting difficult to deform |
| CN111015110B (en) * | 2019-12-23 | 2021-01-08 | 西部金属材料股份有限公司 | Preparation method of metal pipe fitting difficult to deform |
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