CN108749500A - A kind of V-type distance rod and its manufacturing method - Google Patents
A kind of V-type distance rod and its manufacturing method Download PDFInfo
- Publication number
- CN108749500A CN108749500A CN201810614756.3A CN201810614756A CN108749500A CN 108749500 A CN108749500 A CN 108749500A CN 201810614756 A CN201810614756 A CN 201810614756A CN 108749500 A CN108749500 A CN 108749500A
- Authority
- CN
- China
- Prior art keywords
- distance rod
- time
- endoporus
- type distance
- jump
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Abstract
The present invention provides a kind of V-type distance rod, ingredient is by weight percentage：Copper 3%, manganese 2.5%, titanium 0.2%, rhenium 0.4%, erbium 1.0%, scandium 0.3%, zinc 0.2%, zirconium 0.8%, tin 0.04%, boron 1.5%, surplus are aluminium.Its manufacturing method includes：1）Die casting：2）Remove cast gate, overlap, burr：3）Heat treatment：Including compound solid solution and it is bimodal when handle；4）Surface sand-blasting process：5）Milling end end face and heavy boring endoporus；6）Right boring end endoporus and milling jump-ring slot；7）Assembly：8）Coding：9）Product inspection.The present invention passes through distance rod Optimal Structure Designing, using high intensity aluminium condensation material and poor high-pressure casting technique, the rivet hot of former carbon steel or structural alloy steel is replaced to press distance rod with whole high-strength aluminum alloy distance rod, under the premise of meeting commercial car design and use performance requirement, distance rod weight reduces by 40~60%.
Description
Technical field
The present invention relates to commercial automobile-used V-type distance rod more particularly to a kind of lightweight V-type distance rods.
Background technology
It is energy saving with the environmentally friendly focus for having become global concern with social development, and automotive light weight technology for reduce oil consumption,
Reduce discharge and play very important effect, have experiments have shown that, car mass often mitigates 10%, and oil consumption declines 6% ~ 8%, discharge capacity
Decline 4%.Automotive light weight technology directly improves the specific power of automobile simultaneously, and the power performance of automobile is made to improve.Therefore, automobile light weight
Change technology is effective one of important technique measure for reducing oil consumption, reduction discharge and promotion safety.Automotive light weight technology skill at present
Art has become the research hotspot of domestic and international auto industry circle, and major automobile factory puts into a large amount of resource and carries out automotive light weight technology skill
Art is researched and developed.
V-type distance rod is generally arranged in truck, on rear axle, is used in pairs.One end is cut with scissors by flexural pivot and vehicle frame
It connects, the other end is then mounted in vehicle bridge, hinged by flexural pivot and vehicle bridge, and main function is that overcome steel spring plate that can only transmit vertical
The drawbacks of cannot transmitting tractive force, brake force and its corresponding moment of reaction to power and lateral force.Thus work as truck
When overload, shock loading efficient balance can be distributed to vehicle body both sides longeron by V-type distance rod, what mitigation axle housing and chassis were subject to
Impact.V-type distance rod can not only prevent the front and back displacement of middle rear axle simultaneously, and the displacement being also prevented from left and right, because
When automobile turning, the case where middle rear axle may will produce left and right sidesing shifting, causes leaf spring to produce friction with tire, seriously
When can cause tire early wear, some the seriousness traffic accidents even blown out.To meet commercial car lightweight
Technology requirement, V-type distance rod are also badly in need of lightweight.
V-type distance rod is mainly by 1 V-type end, 1 V-type flexural pivot, 2 shaft (steel pipes）, it is 2 small end ends, 2 small
Flexural pivot composition is held, 2 small end ends are linked together by 2 steel pipes and V-type end rivet hot pressure respectively, then respectively in V-type
Be packed into rubber bushing in end and small end end endoporus, by the jump-ring slot of end endoporus be packed into circlip to flexural pivot into
Row limit.The mandrel material of end, steel pipe and flexural pivot is all carbon steel or structural alloy steel, and piece weight is in 27~35kg, commercialization
Automotive suspension per car needs V-type distance rod 2, per car V-type distance rod weight to amount to 54~70kg.
To meet auto vendor's automotive light weight technology requirement, under the premise of meeting commercial vehicle vehicle design and use performance, carry
A kind of V-type distance rod lightweight solution and manufacturing method are gone out.
Invention content
Technical problem to be solved by the present invention lies in a kind of V-type distance rod is provided, meeting commercial car design and use
Under the premise of performance requirement, distance rod weight significantly reduces.
In order to achieve the above objectives, a kind of V-type distance rod of the invention, ingredient are by weight percentage：Copper 3%, manganese
2.5%, titanium 0.2%, rhenium 0.4%, erbium 1.0%, scandium 0.3%, zinc 0.2%, zirconium 0.8%, tin 0.04%, boron 1.5%, surplus are aluminium.
A kind of V-type distance rod includes high-strength aluminum alloy entirety shaft and the ends V rubber bushing, small end rubber bushing,
Rubber bushing is respectively assembled in the endoporus of end, is limited flexural pivot by being packed into circlip in the jump-ring slot of end endoporus
Position；Bar portion uses U-shaped groove structure, bar portion to be connect using orthodrome transition with end, and is respectively set 4 in the U-lag of the ends V and adds
Strengthening tendons.
A kind of manufacturing method of V-type distance rod, includes the following steps：
1）Die casting：Molten aluminium alloy is transported to die casting machine, the molding of die casting distance rod blank by batcher；Cast temperature 680
± 20 DEG C, injection pressure 150MPa,；8~10m/s of injection speed；Filling time 30s, dwell time 20s；
2）Remove cast gate, overlap, burr：With hydraulic press, sander removal blank cast gate, overlap and burr；
3）Heat treatment：Including compound solid solution and it is bimodal when handle；
Grade and stage is handled three times：50 ± 20 DEG C of first time solution treatment, soaking time：10min；Second of solution treatment 470
± 20 DEG C, soaking time：20min；490 ± 20 DEG C of third time solution treatment, soaking time：10min；
When then using low temperature long again and the tow-peaks aging that is combined of high temperature, short time：130 DEG C of first time timeliness, soaking time：
16h；Second of 200 DEG C of timeliness, soaking time：2h；
4）Surface sand-blasting process：Remove surface oxide layer, grease, increase surface compress residual stresses, improve its fatigue resistance and
The performance of stress corrosion dehiscence resistant, camber 0.30-0.60mmARC, 20~25A of current strength, ball blast time 120s, coverage rate reach
90% or more；
5）Milling end end face and heavy boring endoporus；
6）Right boring end endoporus and milling jump-ring slot；
7）Assembly：Flexural pivot is packed into both ends endoporus and clamp spring is packed into jump-ring slot in Special purpose pressing machine；
8）Coding：It is identified in the middle part of distance rod by automatic code spraying；
9）Product inspection：Full inspection is carried out by drawing to the finished product of completion of processing；
10）Vanning：By technological requirement specialized package case packing.
The present invention is by distance rod Optimal Structure Designing, and using high intensity aluminium condensation material and poor high-pressure casting technique, use is whole
Body high strength aluminium alloy distance rod replaces the rivet hot of former carbon steel or structural alloy steel to press distance rod, is meeting commercial car design and is making
Under the premise of performance requirement, distance rod weight reduces by 40~60%.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of V-type distance rod of the present invention.
Specific implementation mode
A kind of V-type distance rod of the present invention, integral stem stature matter is high-strength aluminum alloy, of the present invention high-strength
Degree aluminium alloy is aluminum bronze manganese aluminium series high strength alloy, by the optimization and purifying of alloy composition, to reach excellent aluminium alloy capability.
Its ingredient is by weight percentage：Copper 3%, manganese 2.5%, titanium 0.2%, rhenium 0.4%, erbium 1.0%, scandium 0.3%, zinc 0.2%, zirconium 0.8%,
Tin 0.04%, boron 1.5%, surplus are aluminium.The present invention is obtained by controlling aluminium alloy compositing formula, heat treatment process and forming technique
Good comprehensive mechanical performance meets V-type distance rod design and use performance.
A kind of V-type distance rod of the present invention, whole shaft are molded by aluminum alloy die-casting technological.It is the aluminium that will be melted
Aluminium alloy fills at a high speed under high pressure effect in distance rod metal die cavity, so that aluminium alloy is solidified under stress and is shaped to whole
Thrust body bar.And by special compound solid solution and tow-peaks aging heat treatment process, obtain good comprehensive mechanical performance.It is specific to add
Steps are as follows for work：
1）Die casting：Take copper 30kg, manganese 25kg, titanium 2kg, rhenium 4kg, erbium 10kg, scandium 3kg, zinc 2kg, zirconium 8kg, tin 0.4kg, boron
The material matched above is mixed, is heated to be molten condition by 15kg, aluminium 900.6kg.Molten aluminium alloy is conveyed by batcher
To die casting machine, the molding of die casting distance rod blank.680 ± 20 DEG C, injection pressure 150MPa of cast temperature,；8~10m/ of injection speed
s；Filling time 30s, dwell time 20s.2）Remove cast gate, overlap, burr：With hydraulic press, sander removal blank cast gate, overlap
And burr.3）Heat treatment：Concrete norm is first to carry out grade and stage processing three times：50 ± 20 DEG C of first time solution treatment, heat preservation
Time：10min；470 ± 20 DEG C of second of solution treatment, soaking time：20min；490 ± 20 DEG C of third time solution treatment is protected
The warm time：10min.When then using low temperature long again and the tow-peaks aging that is combined of high temperature, short time：130 DEG C of first time timeliness is protected
The warm time：16h；Second of 200 DEG C of timeliness, soaking time：2h；4）Surface sand-blasting process：Surface oxide layer, grease are removed, is increased
Add surface compress residual stresses, improves the performance of its fatigue resistance and stress corrosion dehiscence resistant, camber 0.30-0.60mmARC, electricity
20~25A of intensity of flow, ball blast time 120s, coverage rate is up to 90% or more；5）Milling end end face and heavy boring endoporus：With special processing
End face and endoporus are machined to drawing requirement by center；6）Right boring end endoporus and milling jump-ring slot：By two on special machining center
End endoporus and jump-ring slot are worked into drawing requirement；7）Assembly：Flexural pivot is packed into both ends endoporus and is packed into clamp spring in Special purpose pressing machine
Jump-ring slot； 8）Coding：It is identified in the middle part of distance rod by automatic code spraying；9）Product inspection：To the finished product of completion of processing
Full inspection is carried out by drawing；10）Vanning：By technological requirement specialized package case packing, it is desirable that packaging is secured.
As shown in Figure 1, a kind of V-type distance rod is by high-strength aluminum alloy entirety shaft 1 and the ends V rubber bushing 2, small end
Rubber bushing 3 forms, and rubber bushing is respectively assembled in the endoporus of end, by being packed into elasticity gear in the jump-ring slot of end endoporus
Circle limits flexural pivot.Bar portion uses U-shaped groove structure, according to distance rod actual condition load, adjusts U-lag depth, bar portion
It is connect using orthodrome transition with end, and increases separately 4 reinforcing ribs 10 in the U-lag of the ends V, to enhance distance rod intensity.
The present invention by compound solid solution and it is bimodal when handle, obtain the corresponding brilliant material size range needed for high-performance, obtain
Tissue is precipitated in preferably transgranular and crystal boundary, reaches intensity raising synchronous with toughness, its yield strength can be made strong close to tension
Degree, by experiments have shown that tensile strength sigmab>=700MPa, yield strength σ0.2>=680MPa, elongation percentage δ >=10% can replace completely
For carbon steel or structural alloy steel distance rod.Compared with the rivet hot of traditional carbon steel or structural alloy steel pressure distance rod, the present invention pushes away
Power bar weight reduces by 40~60%.
The specific implementation mode of the present invention includes but is not limited to above-described embodiment, without departing substantially from spirit of that invention and in fact
In the case of matter, those skilled in the art can make various corresponding change and deformations according to the present invention, but still fall
Enter protection scope of the present invention.
Claims (3)
1. a kind of V-type distance rod, ingredient are by weight percentage：Copper 3%, manganese 2.5%, titanium 0.2%, rhenium 0.4%, erbium 1.0%, scandium
0.3%, zinc 0.2%, zirconium 0.8%, tin 0.04%, boron 1.5%, surplus are aluminium.
2. a kind of V-type distance rod as described in claim 1, it is characterised in that：A kind of V-type distance rod includes high intensity aluminium
Alloy entirety shaft and the ends V rubber bushing, small end rubber bushing, rubber bushing are respectively assembled in the endoporus of end, by holding
Circlip is packed into the jump-ring slot of head endoporus to limit flexural pivot；Bar portion uses U-shaped groove structure, and bar portion is with end using big
Arc transition connects, and 4 reinforcing ribs are respectively set in the U-lag of the ends V.
3. a kind of manufacturing method of V-type distance rod, includes the following steps described in claim 2：
1）Die casting：Molten aluminium alloy is transported to die casting machine, the molding of die casting distance rod blank by batcher；Cast temperature 680
± 20 DEG C, injection pressure 150MPa,；8~10m/s of injection speed；Filling time 30s, dwell time 20s；
2）Remove cast gate, overlap, burr：With hydraulic press, sander removal blank cast gate, overlap and burr；
3）Heat treatment：Including compound solid solution and it is bimodal when handle；
Grade and stage is handled three times：50 ± 20 DEG C of first time solution treatment, soaking time：10min；Second of solution treatment 470
± 20 DEG C, soaking time：20min；490 ± 20 DEG C of third time solution treatment, soaking time：10min；
When then using low temperature long again and the tow-peaks aging that is combined of high temperature, short time：130 DEG C of first time timeliness, soaking time：
16h；Second of 200 DEG C of timeliness, soaking time：2h；
4）Surface sand-blasting process：Remove surface oxide layer, grease, increase surface compress residual stresses, improve its fatigue resistance and
The performance of stress corrosion dehiscence resistant, camber 0.30-0.60mmARC, 20~25A of current strength, ball blast time 120s, coverage rate reach
90% or more；
5）Milling end end face and heavy boring endoporus；
6）Right boring end endoporus and milling jump-ring slot；
7）Assembly：Flexural pivot is packed into both ends endoporus and clamp spring is packed into jump-ring slot in Special purpose pressing machine；
8）Coding：It is identified in the middle part of distance rod by automatic code spraying；
9）Product inspection：Full inspection is carried out by drawing to the finished product of completion of processing；
10）Vanning：By technological requirement specialized package case packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614756.3A CN108749500A (en) | 2018-06-14 | 2018-06-14 | A kind of V-type distance rod and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614756.3A CN108749500A (en) | 2018-06-14 | 2018-06-14 | A kind of V-type distance rod and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108749500A true CN108749500A (en) | 2018-11-06 |
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| CN201810614756.3A Pending CN108749500A (en) | 2018-06-14 | 2018-06-14 | A kind of V-type distance rod and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391590A (en) * | 2020-04-20 | 2020-07-10 | 陕西德仕汽车部件（集团）有限责任公司 | Aluminum alloy I-shaped thrust rod and machining method thereof |
| CN111716079A (en) * | 2020-03-18 | 2020-09-29 | 丽水市久宏精工有限公司 | Thrust rod tail end joint process |
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Address after: 231400 Tongxiang Road, Tongcheng economic and Technological Development Zone, Anqing City, Anhui Province (anqing Huitong Auto Parts Co., Ltd.) Applicant after: Anqing Huitong Auto Parts Co., Ltd Address before: 231400, Anhui Tongcheng economic and Technological Development Zone, Anqing Xiang Road Applicant before: Anqing Correspondent automobile component Co., Ltd |
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Application publication date: 20181106 |