CN108312803A - A kind of high-strength sealed Formula V shape chassis torsion beam - Google Patents
A kind of high-strength sealed Formula V shape chassis torsion beam Download PDFInfo
- Publication number
- CN108312803A CN108312803A CN201710028229.XA CN201710028229A CN108312803A CN 108312803 A CN108312803 A CN 108312803A CN 201710028229 A CN201710028229 A CN 201710028229A CN 108312803 A CN108312803 A CN 108312803A
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- China
- Prior art keywords
- crossbeam
- workpiece
- elongated end
- die cavity
- face
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of high-strength sealed Formula V shape chassis torsion beam,It includes the crossbeam for being horizontally placed on vehicle width direction,It is respectively and fixedly provided with trailing arm at the both ends of crossbeam,Crossbeam is an arc channel bar,The front of crossbeam forms the arcwall face of protrusion,Arcwall face is by two lateral intermediate gradually protrusions,Arc groove is formd in the panel of crossbeam,Described trailing arm one end is connecting pin,The connecting pin and the crossbeam integrally connected,The other end is elongated end,The elongated end is extended outwardly by the crossbeam,The cross-sectional area of the trailing arm is gradually reduced from the connecting pin to the elongated end,The end face of the elongated end is in inverted V-shaped,Tip and two branch angles of the end face of the elongated end with arc,Two branch angles are symmetricly set on the both sides at the tip and the height at the branch angle will be less than the tip,Gap is formd on two branch angles,It is filled with metal material in the gap.
Description
Technical field
The present invention relates to a kind of structures of high-strength sealed Formula V shape chassis torsion beam, it is in internal high pressure forming equipment
Made of superelevation pressing formation, materials at two layers can be made to be closely pressed together on together using super-pressure, improve finally at
The intensity of shape workpiece, meanwhile, it is filled with aluminum alloy materials in the gap of preformed workpiece so that the heat absorption capacity of final workpiece
It is stronger, and improve the intensity of the position so that it is not easy to be twisted off in process engineering.
Background technology
Torsion beam is called and does torsion beam, and in automobile chassis suspension, its both ends are separately connected there are one wheel for setting,
It is primarily used to moving up and down for balance left and right wheels, to reduce rocking for vehicle, keeps the steady of vehicle.
In prior art, various ways may be used to manufacture the automobile torsion beam of uniform thickness or not equal wall thickness, such as
1, thermoforming first passes through high temperature to plank（Tubing）It is heat-treated, then prolongs the template for being pressed into uniform thickness, then carry out
The cooling slabs such as to obtain, this forming technology can accurately control the wall thickness at each position, but cost is higher, and compare
It is relatively time consuming, be not suitable for large batch of torsion beam production；
2, cold roll forming technique is carried out using the dedicated plate thickness milling train such as not.Its cardinal principle is that multiple roll is being arranged in milling train
Roller, each roll is parallel with plank, and is being transversely formed difference in height, and during the rolling process, each roll acts on simultaneously
With plate surface, due to being formed with difference in height between each roll, therefore it rolls out the plate surface come and has also been correspondingly formed not
The template of stack pile.Finally welding will be carried out with ratio-frequency welding pipe is made by the strip of not uniform thickness mill milling again.This forming side
Method cost is relatively low, and work efficiency is high, is suitable for batch production.Internal high pressure forming can manufacture one compared to traditional handicraft
A little sections take the shape of the letter U, the channel bar shape profiled parts of V-arrangement or rectangle, and can directly select uniform thickness or the plank of uniform thickness does not come
Forming.
But during being reversed to torsion beam, due to the portion on torsion beam workpiece be to be formed it is free
Chamber, cause the wall thickness of the position to be made thinner, under the action of bearing larger twisting resistance, is well over and bears the limit and occur
Twist off phenomenon.
Invention content
The technical problem to be solved by the present invention is to be provided for the above-mentioned state of the art, a kind of to reinforce torsion beam strong
It spends structure to improve, prevents the high-strength sealed Formula V shape chassis torsion beam twisted off after internal high pressure forming.
To achieve the above object, the present invention provides following technical solutions：
A kind of high-strength sealed Formula V shape chassis torsion beam, belongs to automobile chassis suspension system, it includes to be horizontally placed on vehicle width direction
Crossbeam, be respectively and fixedly provided with trailing arm at the both ends of crossbeam, the crossbeam is an arc channel bar, and the front of the crossbeam forms protrusion
Arcwall face, the arcwall face forms arc groove, the arc by two lateral intermediate gradually protrusions at the back side of the crossbeam
Connected in star is by two lateral intermediate gradually recess, and the inner wall of the arcwall face is bonded to each other with the inner wall of the arc groove
's；
Described trailing arm one end is connecting pin, the connecting pin and the crossbeam integrally connected, and the other end is elongated end, the extension
End is extended outwardly by the crossbeam, and the cross-sectional area of the trailing arm is gradually reduced from the connecting pin to the elongated end, institute
The end face for stating elongated end is in inverted V-shaped, tip and two branch angles of the end face with arc of the elongated end, described two branch angles
The tip, the shape on two branch angles will be less than by being symmetricly set on the height of the both sides at the tip and the branch angle
At gap, it is filled with metal material in the gap.
As an improvement of the present invention, the trailing arm is made of two layers of plank, and two layers of the plank is in the elongated end
The tip of end face is bonded completely, and the gap is formd at two branch angles of the elongated end end face.
As a further improvement on the present invention, the metal material is aluminium alloy.
A kind of technique producing high-strength sealed Formula V shape chassis torsion beam, includes following steps：
Stainless steel plate is rolled into square-tube-shaped, and is welded and fixed to the overlapping portion for rolling rear plank by one, roll bending；
Two, preform in a press suppresses the square tube workpiece after rolling, and makes its deformation quantity close to the target shape of workpiece
Shape, and aluminium alloy is inserted into the gap of trailing arm elongated end end face；
Workpiece after preform is put into interior Belt-type tools by three, internal high pressure forming, and die cavity is formd in interior Belt-type tools,
The profile of die cavity is consistent with the target shape of workpiece, and the workpiece after preform is placed in the die cavity, then by workpiece
Both ends are clamped, and are used in combination plug to seal die cavity, runner has been opened up in plug, the runner and are arranged outside interior Belt-type tools
Booster pump is connected with water source, and the water in water source can be input to through runner in die cavity after being pressurized by booster pump, with die cavity
In hydraulic pressure constantly increase, workpiece can be expressed on the inner wall of die cavity, it is using super-pressure that two layers of plank of workpiece is complete
It is pressed together, aluminium alloy is also bonded under hydraulic action with the inner wall of trailing arm elongated end completely；
Four, it molds, interior Belt-type tools is opened, the workpiece after forming is taken out.
As a preference of the present invention, being connected to hydraulic cylinder at the plug rear portion, providing drive force by hydraulic cylinder blocks up
Head seals die cavity.
Compared with the prior art, the advantages of the present invention are as follows：Significant change can not occur in total quality（Aluminium alloy is
Light material）While, the timber intensity of torsiversion on increasing stress region, and improve the heat absorptivity of whole torsion beam
Can so that after torsion beam using the present invention, improve automobile safety, stability while, also mitigate automobile
Total quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of high-strength sealed Formula V shape chassis torsion beam in the embodiment of the present invention；
Fig. 2 is the interior Belt-type tools structural schematic diagram for manufacturing torsion beam shown in Fig. 1；
Fig. 3 is the end structure illustration of torsion beam shown in Fig. 1.
Specific implementation mode
Below in conjunction with attached drawing embodiment, the present invention is described in further detail.
As shown in Figure 1-Figure 3, the present embodiment is a kind of high-strength sealed Formula V shape chassis torsion beam, and it is outstanding to belong to automobile chassis
Frame system, it includes the crossbeam 1 for being horizontally placed on vehicle width direction, is respectively and fixedly provided with trailing arm 2 at the both ends of crossbeam, the crossbeam is an arc
Shape channel bar, the front of the crossbeam form the arcwall face of protrusion, and the arcwall face is by two lateral intermediate gradually protrusions, described
The back side of crossbeam forms arc groove, and the arc groove is by two lateral intermediate gradually recess, and the arcwall face is interior
Wall is bonded to each other with the inner wall of the arc groove；Trailing arm one end is connecting pin 21, and connecting pin integrally connects with the crossbeam
It connects, the other end is elongated end 22, and elongated end is extended outwardly by crossbeam, and the cross-sectional area of the trailing arm is from connecting pin to elongated end
It is gradually reduced, the end face of elongated end is in inverted V-shaped, tip 3 and two branch angles 4 of the end face with arc of elongated end, two branch angles
Tip will be less than by being symmetricly set on the height of the both sides at tip and branch angle, gap 41 be formd on two branch angles, in gap
In be filled with aluminium alloy.
A kind of technique producing high-strength sealed Formula V shape chassis torsion beam, includes following steps：
Stainless steel plate is rolled into square-tube-shaped, and is welded and fixed to the overlapping portion for rolling rear plank by one, roll bending；
Two, preform in a press suppresses the square tube workpiece after rolling, and makes its deformation quantity close to the target shape of workpiece
Shape, and aluminium alloy is inserted into the gap of trailing arm elongated end end face；
Workpiece after preform is put into interior Belt-type tools 5 by three, internal high pressure forming, and die cavity is formd in interior Belt-type tools
51, the profile of die cavity is consistent with the target shape of workpiece, and the workpiece after preform is placed in the die cavity, then by workpiece
Both ends clamping, be used in combination plug 6 to seal die cavity, runner 61 opened up in plug, the runner be arranged in interior Belt-type tools
External booster pump 7 is connected with water source 8, and the water in water source can be input to through runner in die cavity after being pressurized by booster pump,
As the hydraulic pressure in die cavity constantly increases, workpiece can be expressed on the inner wall of die cavity, using super-pressure by two layers of workpiece
Plank is pressed together completely, and aluminium alloy is also bonded under hydraulic action with the inner wall of trailing arm elongated end completely；
Four, it molds, interior Belt-type tools is opened, the workpiece after forming is taken out.
In addition, being connected to hydraulic cylinder 9 at the plug rear portion, it is close by die cavity to provide drive force plug by hydraulic cylinder
Envelope.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of high-strength sealed Formula V shape chassis torsion beam, belongs to automobile chassis suspension system, it includes to be horizontally placed on vehicle width side
To crossbeam, be respectively and fixedly provided with trailing arm at the both ends of crossbeam, it is characterised in that：
The crossbeam is an arc channel bar, and the front of the crossbeam forms the arcwall face of protrusion, and the arcwall face is lateral by two
Intermediate gradually protrusion forms arc groove at the back side of the crossbeam, the arc groove by two lateral intermediate gradually recess,
And the inner wall of the arcwall face is bonded to each other with the inner wall of the arc groove；
Described trailing arm one end is connecting pin, the connecting pin and the crossbeam integrally connected, and the other end is elongated end, the extension
End is extended outwardly by the crossbeam, and the cross-sectional area of the trailing arm is gradually reduced from the connecting pin to the elongated end, institute
The end face for stating elongated end is in inverted V-shaped, tip and two branch angles of the end face with arc of the elongated end, described two branch angles
The tip, the shape on two branch angles will be less than by being symmetricly set on the height of the both sides at the tip and the branch angle
At gap, it is filled with metal material in the gap.
2. high-strength sealed Formula V shape chassis according to claim 1 torsion beam, it is characterised in that：The trailing arm is by two
Laminate material is made, and two layers of the plank is bonded completely at the tip of the elongated end end face, and two in the elongated end end face
A branch angle forms the gap.
3. high-strength sealed Formula V shape chassis according to claim 2 torsion beam, it is characterised in that：The metal material is
Aluminium alloy.
4. a kind of technique producing high-strength sealed Formula V shape chassis as described in claim 1 torsion beam, includes following step
Suddenly：
Stainless steel plate is rolled into square-tube-shaped, and is welded and fixed to the overlapping portion for rolling rear plank by one, roll bending；
Two, preform in a press suppresses the square tube workpiece after rolling, and makes its deformation quantity close to the target shape of workpiece
Shape, and aluminium alloy is inserted into the gap of trailing arm elongated end end face；
Workpiece after preform is put into interior Belt-type tools by three, internal high pressure forming, and die cavity is formd in interior Belt-type tools,
The profile of die cavity is consistent with the target shape of workpiece, and the workpiece after preform is placed in the die cavity, then by workpiece
Both ends are clamped, and are used in combination plug to seal die cavity, runner has been opened up in plug, the runner and are arranged outside interior Belt-type tools
Booster pump is connected with water source, and the water in water source can be input to through runner in die cavity after being pressurized by booster pump, with die cavity
In hydraulic pressure constantly increase, workpiece can be expressed on the inner wall of die cavity, it is using super-pressure that two layers of plank of workpiece is complete
It is pressed together, aluminium alloy is also bonded under hydraulic action with the inner wall of trailing arm elongated end completely；
Four, it molds, interior Belt-type tools is opened, the workpiece after forming is taken out.
5. the production technology of high-strength sealed Formula V shape chassis according to claim 4 torsion beam, it is characterised in that：Institute
It states plug rear portion and is connected to hydraulic cylinder, providing drive force plug by hydraulic cylinder seals die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028229.XA CN108312803A (en) | 2017-01-16 | 2017-01-16 | A kind of high-strength sealed Formula V shape chassis torsion beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028229.XA CN108312803A (en) | 2017-01-16 | 2017-01-16 | A kind of high-strength sealed Formula V shape chassis torsion beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108312803A true CN108312803A (en) | 2018-07-24 |
Family
ID=62891601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028229.XA Pending CN108312803A (en) | 2017-01-16 | 2017-01-16 | A kind of high-strength sealed Formula V shape chassis torsion beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108312803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065129A (en) * | 2019-05-30 | 2019-07-30 | 浙江农林大学 | A method of plate is made using bamboo matter powder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0960753A2 (en) * | 1998-05-26 | 1999-12-01 | Benteler Ag | Twist beam axle |
| JP2005306177A (en) * | 2004-04-21 | 2005-11-04 | Toyota Motor Corp | Torsion beam type suspension device |
| CN103920787A (en) * | 2014-03-27 | 2014-07-16 | 宝山钢铁股份有限公司 | Hydraulic forming method for pipe fitting torsion beam |
| CN205009912U (en) * | 2015-10-12 | 2016-02-03 | 浙江摩多巴克斯科技股份有限公司 | Adoption chassis torsion beam that thick plate was made that varies |
| CN105598248A (en) * | 2016-02-25 | 2016-05-25 | 浙江摩多巴克斯科技股份有限公司 | Device for increasing pipe wall thickness through internal high pressure forming and process thereof |
-
2017
- 2017-01-16 CN CN201710028229.XA patent/CN108312803A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0960753A2 (en) * | 1998-05-26 | 1999-12-01 | Benteler Ag | Twist beam axle |
| JP2005306177A (en) * | 2004-04-21 | 2005-11-04 | Toyota Motor Corp | Torsion beam type suspension device |
| CN103920787A (en) * | 2014-03-27 | 2014-07-16 | 宝山钢铁股份有限公司 | Hydraulic forming method for pipe fitting torsion beam |
| CN205009912U (en) * | 2015-10-12 | 2016-02-03 | 浙江摩多巴克斯科技股份有限公司 | Adoption chassis torsion beam that thick plate was made that varies |
| CN105598248A (en) * | 2016-02-25 | 2016-05-25 | 浙江摩多巴克斯科技股份有限公司 | Device for increasing pipe wall thickness through internal high pressure forming and process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065129A (en) * | 2019-05-30 | 2019-07-30 | 浙江农林大学 | A method of plate is made using bamboo matter powder |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |
|
| RJ01 | Rejection of invention patent application after publication |