CN103522006A - Processing technology for automotive rear axle aluminum alloy control arm - Google Patents
Processing technology for automotive rear axle aluminum alloy control arm Download PDFInfo
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- CN103522006A CN103522006A CN201310208036.4A CN201310208036A CN103522006A CN 103522006 A CN103522006 A CN 103522006A CN 201310208036 A CN201310208036 A CN 201310208036A CN 103522006 A CN103522006 A CN 103522006A
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- hollow profile
- control arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
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Abstract
The invention aims to provide a new processing technology for an automotive rear axle aluminum alloy control arm. According to the processing technology, an ingot blank is heated to be in an extrudable state and placed in an extruding barrel of extruding equipment, and an extruding shaft is driven by a large-tonnage pressing machine to enable the ingot blank in the extruding barrel to be extruded and deform between a die and a perforating needle, so that a hollow profile can be obtained. The hollow profile is subjected to solution treatment through cooling in a material transporting channel of an extruding outlet of the extruding equipment, after the hollow profile is cooled to indoor temperature, the hollow profile which is fully extruded out is directly transported to bending equipment through a material conveying device, and the bend forming of the control arm can be achieved through the combined action of clamping force of the bending equipment and a bending die block so as to enable the hollow profile to reach the needed final size, then a saw blade is used for cutting off the hollow profile so as to enable the cut hollow profile to meet the final assembling size of the control arm in the length direction, and the correction of the length size through stamping equipment is not needed.
Description
Technical field
The present invention relates to automobile rear axle control arm processing technology.
Background technology
Due to the pollution of the in short supply and environment of resource, automotive light weight technology has become the focus that Ge Jia enterprise pays close attention in the industry.Therefore the aluminium that, has higher-strength, density and only have iron 1/3rd becomes the optimal selection of light weight material in automobile.
Now, in the total member of automobile chassis, control arm type component has been widely used aluminium alloy instead of steel prepared material, and the technological innovation of bringing is thus well imagined.Higher based on Welded cost, the manufacturing process of control arm from the punch welding of original steel plate change aluminum alloy extrusion section bar into, cut material, press-bending section bar, edge-cutting and hole-punching be to shaping etc.Although this method has reached the light-weighted object in chassis and reduced as much as possible process costs, middle operation is more, and the consumption that is mould manufacture, maintenance cost or manpower and the energy is all self-evident.
The processing technology of automobile axle aluminium alloy control arm is generally as follows: first need to carry out the extruding of raw material of aluminum alloy, thereby obtain required cross sectional shape; Next, then according to the length dimension of product, extrudate is sawed-off; Afterwards, for improving product local strength and meeting Product Assembly size, utilize pressing equipment to carry out mold pressing to reach work hardening and preformed object; Finally, then carry out edge-cutting and hole-punching, shaping to complete the processing of product final size.Product is in processing and manufacturing process, and technique is various.
Summary of the invention
The object of the present invention is to provide a kind of new automobile axle aluminium alloy control arm processing technology.
For realizing the automobile axle aluminium alloy control arm processing technology of described object, it is characterized in that, ingot blank is heated to after squeezed state, to be placed in the recipient of extrusion equipment, extrusion axis is under the promotion of great tonnage press, make the ingot blank in recipient, between mould and pecker, crimp occur, thereby obtain hollow profile, hollow profile is realized solution treatment by cooling in the transportation material road of the extruding outlet of extrusion equipment, be cooled to after room temperature, the hollow profile of extruding completely is directly transported in bending apparatus by pay-off, under the clamping of bending apparatus and the acting in conjunction of crooked module, realize the bending forming of control arm, so that described hollow section bar forming is to required final size, directly utilize again saw cutter to cut off described hollow profile, so that the described hollow profile cutting off meets the final fitted position on control arm length direction, do not need to recycle the correction that pressing equipment carries out length dimension.
Technique of the present invention does not need to recycle the correction that pressing equipment carries out length dimension after cutting material, has therefore reduced operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of automobile axle aluminium alloy control arm process equipment.
The specific embodiment
As shown in Figure 1, aluminium ingot (material base of control arm) is heated to, after 510-530 ℃, be placed in extrusion equipment in stove.In extrusion equipment, extrusion axis 1, under the promotion of great tonnage press, makes the ingot blank 3 in recipient 2, between mould 5 and pecker 4, crimp occur, thereby obtain hollow profile 6(, is aluminium alloy extrusions).Hollow profile 6 is realized solution treatment by water-cooled (cooling device does not illustrate) in the transportation material road of extrusion, and extruding outlet temperature is 480-500 ℃.Water-cooled is to room temperature, and the aluminium alloy extrusions of extruding completely is directly transported in bending apparatus by pay-off (not illustrating in figure, can be the conveying equipments such as conveyer belt, conveying roller).In bending apparatus, under the acting in conjunction of clamp module 10 and crooked module 8, realize the bending forming of hollow profile.Due in the longitudinal direction, aluminium alloy extrusions has been formed into required final size, therefore can directly utilize saw cutter 7 to cut off.Through extruding, control arm crooked, that cut after material, just can carry out remaining manufacturing procedure.Remaining manufacturing procedure is generally section punching etc., and the general technology before improving to the present invention is similar, at this, has not just repeated.
In general technology background technology part described, after product flexural deformation, still need method by punching press to crop clout on the length direction fitted position to satisfy the demand; Extrudate, the operation of cutting material, bent section and needing respectively to use three roads to separate complete processing and the manufacture of product, if only by extrudate with cut material merging traffic order, after bent section, still may size be controlled within the scope of product requirement because of distortion, need the edger after utilizing to remove unnecessary blank, cause to add and insert, increase cost.
In previous embodiment, by extruding, crooked, cut the synthetic a kind of aluminium alloy control arm processing combination process of material.Forward extrusion by raw material of aluminum alloy is connected with angle pipe equipment, and adds sawing device between two procedures.In manufacture process, the section bar having pushed is directly connected into angle pipe equipment, after end to be bent, the saw cutter cropping of products between recycling two procedures.Because product completes after flexural deformation, the final fitted position meeting in product length direction can be determined, therefore do not need to recycle the correction that pressing equipment carries out length dimension after cutting material.By above this extruding that need separate, cut material, crooked three process is combined into a procedure, has not only reduced manpower, energy cost that processing road order consumes, reduces labour, but also has improved production efficiency, has strengthened the competitiveness of enterprise.
Now, the development of auto industry faces three challenges: save the energy, protection of the environment and raising security, riding comfort, aesthetic property.The improvement of these performances is except design aspect is improved, and topmost is exactly to adopt material to alleviate the sole mass of automobile.Aluminium alloy has occupied very important status in Automobile Chassis Parts.Control arm class part particularly, increasing steel material is substituted gradually.
Previous embodiment not only can reduce the input of equipment and frock clamp expense, and can also reduce operating personnel's quantity, enhances productivity, enterprise competitiveness, reduces labour cost, reduces the possibility that produces operational hazards.And reduce energy resource consumption.
Claims (1)
1. automobile axle aluminium alloy control arm processing technology, it is characterized in that, ingot blank is heated to after squeezed state, to be placed in the recipient of extrusion equipment, extrusion axis is under the promotion of great tonnage press, make the ingot blank in recipient, between mould and pecker, crimp occur, thereby obtain hollow profile, hollow profile is realized solution treatment by cooling in the transportation material road of the extruding outlet of extrusion equipment, be cooled to after room temperature, the hollow profile of extruding completely is directly transported in bending apparatus by pay-off, under the clamping of bending apparatus and the acting in conjunction of crooked module, realize the bending forming of control arm, so that described hollow section bar forming is to required final size, directly utilize again saw cutter to cut off described hollow profile, so that the described hollow profile cutting off meets the final fitted position on control arm length direction, do not need to recycle the correction that pressing equipment carries out length dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310208036.4A CN103522006B (en) | 2013-05-29 | 2013-05-29 | Automobile axle aluminium alloy control arm processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208036.4A CN103522006B (en) | 2013-05-29 | 2013-05-29 | Automobile axle aluminium alloy control arm processing technology |
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| Publication Number | Publication Date |
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| CN103522006A true CN103522006A (en) | 2014-01-22 |
| CN103522006B CN103522006B (en) | 2016-05-25 |
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| CN201310208036.4A Active CN103522006B (en) | 2013-05-29 | 2013-05-29 | Automobile axle aluminium alloy control arm processing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438407A (en) * | 2014-09-16 | 2015-03-25 | 湖北泰福瑞轻合金有限公司 | Production method of high-intensity micro speed reducer aluminum alloy shell sectional material |
| CN106077184A (en) * | 2016-06-17 | 2016-11-09 | 山东建筑大学 | A kind of preparation method of high-strength aluminum alloy nanometer bend pipe |
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| CN101234466A (en) * | 2008-03-11 | 2008-08-06 | 无锡曙光模具有限公司 | Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| CN101502854A (en) * | 2007-09-14 | 2009-08-12 | 现代摩比斯株式会社 | Method of manufacturing control arm using variable curvature extruding process and control arm manufactured thereby |
| CN101862802A (en) * | 2009-04-20 | 2010-10-20 | 上海汇众汽车制造有限公司 | Preforging die for automobile rear lower control arm and forging method thereof |
| CN102319867A (en) * | 2011-09-29 | 2012-01-18 | 芜湖禾田汽车工业有限公司 | Forging forming process for control arm |
| CN102500740A (en) * | 2011-09-29 | 2012-06-20 | 芜湖禾田汽车工业有限公司 | Manufacturing process for lambdoidal control arm |
| US20120299263A1 (en) * | 2010-11-19 | 2012-11-29 | Benteler Automobiltechnik Gmbh | Method for producing a control arm, and a control arm |
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2013
- 2013-05-29 CN CN201310208036.4A patent/CN103522006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502854A (en) * | 2007-09-14 | 2009-08-12 | 现代摩比斯株式会社 | Method of manufacturing control arm using variable curvature extruding process and control arm manufactured thereby |
| CN101234466A (en) * | 2008-03-11 | 2008-08-06 | 无锡曙光模具有限公司 | Vehicle rear axle assembly breast beam production method and special-purpose mold therefor |
| CN101862802A (en) * | 2009-04-20 | 2010-10-20 | 上海汇众汽车制造有限公司 | Preforging die for automobile rear lower control arm and forging method thereof |
| US20120299263A1 (en) * | 2010-11-19 | 2012-11-29 | Benteler Automobiltechnik Gmbh | Method for producing a control arm, and a control arm |
| CN102319867A (en) * | 2011-09-29 | 2012-01-18 | 芜湖禾田汽车工业有限公司 | Forging forming process for control arm |
| CN102500740A (en) * | 2011-09-29 | 2012-06-20 | 芜湖禾田汽车工业有限公司 | Manufacturing process for lambdoidal control arm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438407A (en) * | 2014-09-16 | 2015-03-25 | 湖北泰福瑞轻合金有限公司 | Production method of high-intensity micro speed reducer aluminum alloy shell sectional material |
| CN106077184A (en) * | 2016-06-17 | 2016-11-09 | 山东建筑大学 | A kind of preparation method of high-strength aluminum alloy nanometer bend pipe |
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| Publication number | Publication date |
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| CN103522006B (en) | 2016-05-25 |
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