CN106002116A - New energy resource hybrid electric vehicle main shaft and electron beam welding technology thereof - Google Patents

New energy resource hybrid electric vehicle main shaft and electron beam welding technology thereof Download PDF

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Publication number
CN106002116A
CN106002116A CN201610362990.2A CN201610362990A CN106002116A CN 106002116 A CN106002116 A CN 106002116A CN 201610362990 A CN201610362990 A CN 201610362990A CN 106002116 A CN106002116 A CN 106002116A
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CN
China
Prior art keywords
loss
main shaft
main
technology groove
weight technology
Prior art date
Application number
CN201610362990.2A
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Chinese (zh)
Inventor
罗应涛
赵福洲
Original Assignee
广州市锐美汽车零部件有限公司
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Publication date
Application filed by 广州市锐美汽车零部件有限公司 filed Critical 广州市锐美汽车零部件有限公司
Priority to CN201610362990.2A priority Critical patent/CN106002116A/en
Publication of CN106002116A publication Critical patent/CN106002116A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/14Suspension elements of automobile vehicles

Abstract

The invention discloses a new energy resource hybrid electric vehicle main shaft and an electron beam welding technology thereof. The new energy resource hybrid electric vehicle main shaft comprises a main shaft main body, wherein a group of keys is arranged in the middle of the main shaft main body; a weight-reducing technique hole is formed in one end of the main shaft main body; a front end bearing position tool withdrawal groove is formed in the front part of the main shaft main body; a rear end bearing position tool withdrawal groove is formed in the back of the main shaft main body; a key groove tool withdrawal position is arranged at one end of the keys; an axis weight-reducing technique groove is formed in the axis of the main shaft main body; a bearing position is arranged on one side of the rear end bearing position tool withdrawal groove of the main shaft main body. According to the invention, production technology of the new energy resource hybrid electric vehicle main shaft is optimized, the problems that manual or robot operation is not stable, the consistency is poor and the efficiency is low during the welding process when a traditional main shaft is processed are solved, the processing technological processes are decreased, the processing period is shortened, the production efficiency is improved, the production cost is reduced, and the requirements of quality and delivery time from a client are met.

Description

A kind of new forms of energy hybrid vehicle main shaft and electron beam Welding thereof
Technical field
The present invention relates to vehicle spindle field, be specially a kind of new forms of energy hybrid vehicle main shaft and electron beam Welding thereof.
Background technology
nullRaising along with people's living standard,Increasing family all can purchase automobile and meet demand of riding instead of walk,The quantity that road is got on the car drastically increases,Air can be caused severe contamination by the tail gas of motor vehicle emission,New-energy automobile arises at the historic moment,New-energy automobile is little because of its environmental pollution,The plurality of advantages such as vehicle body is light and gain great popularity,And due to the requirement in terms of environmental protection,The national support to new-energy automobile field and development,Make new-energy automobile development space bigger,Vehicle spindle is as the vitals of new-energy automobile,The power transmission of automobile is played vital effect,But currently used new-energy automobile spindle processing complex process,It is made up of shaft core and axle sleeve two parts,The manufacturing enterprise overwhelming majority all uses traditional welding manner at present,I.e. Manual electric welding welding,There is all multi-risk Systems and subsequent technique increased difficulty and cost in this technology,And all have much room for improvement in intensity and other performances.
nullBecause rotating shaft teeth portion and bearing concentricity tolerance are 0.02,And each size of cylindrical and Geometrical Tolerance Principle the highest,And must be clean without iron filings impurity in finished product oil-through hole,Its mechanical property requirements higher (relating to safety) after welding,Such as tensile strength >=550mPa,After welding, outside has to comply with 3.6.10.2 bar requirement in JB/T5943,And processing technique is extremely complex,Its operation includes shaft core successively、Axle sleeve blank forges、Rough turn、Heat treatment (quenched)、Half finish turning (stays more surplus,Car bevel for welding)、Shaft core is roughly ground、Teeth portion is processed、Teeth portion heat treatment (high frequency、Overall tempering)、Welding、Heat treatment (destressing)、Car weldering bar and half finish turning molectron (guarantee concentricity)、Drill-through oilhole、Finish turning、Half fine grinding、Keyseat cleaning oil-through hole internal residual foreign material (milling)、Fine grinding、Inspection eventually、Purged and packed、Warehouse-in,Procedure of processing is too many,Occur that the probability of error and operational error is the highest,Affect end product quality.
The vehicle spindle using at present the means of Manual electric welding welding to complete, can produce pore, undercut, slag inclusion, lack of penetration, crackle, deformation, lapping, and welded pass visual shape is bad, indenture, inclined arc, burns, and spark splashes and too much waits common deficiency.
Also can produce when using argon arc welding pore, penetrate uneven have that overlap, the oxidation of weld seam grey black be serious, shrinkage cavity, crackle, lack of penetration, molten cold bad, burn, the common deficiency such as face of weld wounds, irregular, the undercut of weld seam tungsten inclusion, appearance of weld.
Also can produce when using robot welding be partially welded, undercut, pore, the defect such as deformation.
If so processing, by still using, the conventional bonding technique that new-energy automobile main shaft uses before, require to be difficult to accomplish concordance to the technology of this product, stability, it cannot be guaranteed that product is qualified in this operation 100%, the new-energy automobile main shaft processed is extremely difficult to drawing requirement, and consume great amount of cost, it is impossible to meet the requirement produced in enormous quantities, now need the new-energy automobile main shaft that a kind of convenience is processed and using effect is good.
Summary of the invention
It is an object of the invention to provide a kind of new forms of energy hybrid vehicle main shaft and electron beam Welding thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of new forms of energy hybrid vehicle main shaft, including spindle main body, one group of key it is provided with in the middle part of described spindle main body, described spindle main body one end offers loss of weight fabrication hole, the front portion of described spindle main body is provided with bearing position, front end escape, the rear portion of described spindle main body is provided with rear end bearing position escape, one end of described key is provided with keyway withdrawing position, the axis part of described spindle main body offers axle center loss of weight technology groove, described spindle main body is held in the rear and is provided with bearing position on escape one side position of bearing position.
Preferably, described spindle main body one end is provided with internal spline, and described internal spline is connected with described axle center loss of weight technology groove.
Preferably, described key offering anterior loss of weight technology groove, middle part loss of weight technology groove and rear portion loss of weight technology groove, described middle part loss of weight technology groove is arranged between described anterior loss of weight technology groove and described rear portion loss of weight technology groove.
Preferably, described anterior loss of weight technology groove is connected by oil-through hole with described middle part loss of weight technology groove, and described middle part loss of weight technology groove is connected by oil-through hole with described rear portion loss of weight technology groove.
The processing step of described new forms of energy hybrid vehicle spindle processing be followed successively by blank forge, the processing of rough turn heat treatment, half finish turning, drill-through oilhole, teeth portion, teeth portion heat treatment, welding, keyseat, fine grinding, eventually inspection, cleaning packaging, warehouse-in.
Preferably, the welding equipment with vacuum chamber is used during described new forms of energy hybrid vehicle spindle processing, make described spindle main body completely with oxygen, nitrogen, these disporduct surfaces of argon gas-insulated, and use surface cleaning agent to remove the greasy dirt of face of weld, water stain, foreign material, use warming-up device that described spindle main body is effectively heated up to 180 DEG C and constant temperature afterwards, described spindle main body is made to have physically better performance, increase special-purpose thermal insulation container, make the described spindle main body after welding be slowly cooled to 40 DEG C in 10 hours by 180 DEG C.
nullCompared with prior art,The invention has the beneficial effects as follows: only need to forge (normalizing) through blank during this new forms of energy hybrid vehicle spindle processing、Rough turn heat treatment (quenched)、Half finish turning、Drill-through oilhole、Teeth portion is processed、Teeth portion heat treatment (high frequency、Overall tempering)、Welding、Keyseat、The steps such as fine grinding,And need through shaft core during traditional spindle processing、Axle sleeve blank forges、Rough turn、Heat treatment (quenched)、Half finish turning (stays more surplus,Car bevel for welding)、Shaft core is roughly ground、Teeth portion is processed、Portion's heat treatment (high frequency、Overall tempering)、Welding、Heat treatment (destressing)、Car weldering bar and half finish turning molectron (guarantee concentricity)、Drill-through oilhole、Finish turning、Half fine grinding、Keyseat cleaning oil-through hole internal residual foreign material (milling)、Multiple steps such as fine grinding,Through repeatedly verifying,Welding procedure after adjustment has fully met drawing all technical,And simplify greatly integral processing flow process,Wherein decrease shaft core corase grind,Destressing,Car weldering bar,Postwelding half finish turning,Half fine grinding waits 6 road techniques,And saved argon,Welding rod,The welding adjuvant such as welding wire,Change about 30 yuan/part of welding cost before technique,Change about 10 yuan/part after technique,Considerably reduce production cost,The most important thing is that this new technology is more environmentally-friendly,To human body entirely without radiation,Dust suctions etc. injure,Improve production efficiency,Avoid the problem that defective products too much and easily occurs in manufacturing procedure simultaneously,Multiple lightening grooves is offered on key,The weight of spindle main body can be alleviated under the intensity ensureing key,Lightweight to vehicle body is provided convenience;The production technology of this device is optimized, mainly solve conventional master spindle and add man-hour in welding process, artificial or robot manipulation unstable, concordance problem poor, inefficient, and decrease processing process, shorten the process-cycle, improve production efficiency, reduce production cost, meet Customer Quality and the requirement of the phase of friendship.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure: 1, loss of weight fabrication hole, 2, bearing position, front end escape, 3, anterior loss of weight technology groove, 4, oil-through hole, 5, middle part loss of weight technology groove, 6, rear portion loss of weight technology groove, 7, keyway withdrawing position, 8, axle center loss of weight technology groove, 9, rear end bearing position escape, 10, bearing position, 11, internal spline.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
nullRefer to Fig. 1,The present invention provides a kind of technical scheme: a kind of new forms of energy hybrid vehicle main shaft and electron beam Welding thereof,Including spindle main body 12,One group of key 13 it is provided with in the middle part of described spindle main body 12,Described spindle main body 12 one end offers loss of weight fabrication hole 1,The front portion of described spindle main body 12 is provided with bearing position, front end escape 2,The rear portion of described spindle main body 12 is provided with rear end bearing position escape 9,One end of described key 13 is provided with keyway withdrawing position 7,Described spindle main body 12 axis part offers axle center loss of weight technology groove 8,Described spindle main body 12 is held in the rear and is provided with bearing position 10 on escape 9 one side position of bearing position,Described spindle main body 12 one end is provided with internal spline 11,Described internal spline 11 is connected with described axle center loss of weight technology groove 8,Anterior loss of weight technology groove 3 is offered on described key 13、Middle part loss of weight technology groove 5 and rear portion loss of weight technology groove 6,Described middle part loss of weight technology groove 5 is arranged between described anterior loss of weight technology groove 3 and described rear portion loss of weight technology groove 6,Described anterior loss of weight technology groove 3 is connected by oil-through hole 4 with described middle part loss of weight technology groove 5,Described middle part loss of weight technology groove 5 is connected by oil-through hole 4 with described rear portion loss of weight technology groove 6,The welding equipment with vacuum chamber is used during described new forms of energy hybrid vehicle spindle processing,Make described spindle main body 12 completely and oxygen、Nitrogen、These disporduct surfaces of argon gas-insulated,And use surface cleaning agent to remove the greasy dirt of face of weld,Water stain,Foreign material,Use warming-up device that described spindle main body 12 is effectively heated up to 180 DEG C and constant temperature afterwards,Described spindle main body 12 is made to have physically better performance,Increase special-purpose thermal insulation container,The described spindle main body 12 after welding is made slowly to be cooled to 40 DEG C in 10 hours by 180 DEG C,The processing step of described new forms of energy hybrid vehicle spindle processing is followed successively by blank and forges、Rough turn heat treatment、Half finish turning、Drill-through oilhole、Teeth portion is processed、Teeth portion heat treatment、Welding、Keyseat、Fine grinding、Inspection eventually、Cleaning packaging、Warehouse-in.
nullOperation principle: only need to forge (normalizing) through blank during this new forms of energy hybrid vehicle spindle processing、Rough turn heat treatment (quenched)、Half finish turning、Drill-through oilhole、Teeth portion is processed、Teeth portion heat treatment (high frequency、Overall tempering)、Welding、Keyseat、The steps such as fine grinding,And need through shaft core during traditional spindle processing、Axle sleeve blank forges、Rough turn、Heat treatment (quenched)、Half finish turning (stays more surplus,Car bevel for welding)、Shaft core is roughly ground、Teeth portion is processed、Portion's heat treatment (high frequency、Overall tempering)、Welding、Heat treatment (destressing)、Car weldering bar and half finish turning molectron (guarantee concentricity)、Drill-through oilhole、Finish turning、Half fine grinding、Keyseat cleaning oil-through hole internal residual foreign material (milling)、Multiple steps such as fine grinding,Through repeatedly verifying,Welding procedure after adjustment has fully met drawing all technical,And simplify greatly integral processing flow process,Wherein decrease shaft core corase grind,Destressing,Car weldering bar,Postwelding half finish turning,Half fine grinding waits 6 road techniques,And saved argon,Welding rod,The welding adjuvant such as welding wire,Change about 30 yuan/part of welding cost before technique,Change about 10 yuan/part after technique,Considerably reduce production cost,The most important thing is that this new technology is more environmentally-friendly,To human body entirely without radiation,Dust suctions etc. injure,Improve production efficiency,Avoid the problem that defective products too much and easily occurs in manufacturing procedure simultaneously,Multiple lightening grooves is offered on key 13,The weight of spindle main body 12 can be alleviated under the intensity ensureing key 13,Lightweight to vehicle body is provided convenience.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can carry out multiple change without departing from the principles and spirit of the present invention, revise, replace and modification, the scope of the present invention be defined by the appended.

Claims (6)

1. a new forms of energy hybrid vehicle main shaft, including spindle main body (12), it is characterized in that: described spindle main body (12) middle part is provided with one group of key (13), described spindle main body (12) one end offers loss of weight fabrication hole (1), the front portion of described spindle main body (12) is provided with bearing position, front end escape (2), the rear portion of described spindle main body (12) is provided with rear end bearing position escape (9), one end of described key (13) is provided with keyway withdrawing position (7), the axis part of described spindle main body (12) offers axle center loss of weight technology groove (8), described spindle main body (12) is held in the rear and is provided with bearing position (10) on bearing position escape (9) side position.
A kind of new forms of energy hybrid vehicle main shaft the most according to claim 1, it is characterised in that: described spindle main body (12) one end is provided with internal spline (11), and described internal spline (11) is connected with described axle center loss of weight technology groove (8).
A kind of new forms of energy hybrid vehicle main shaft the most according to claim 1, it is characterized in that: offer anterior loss of weight technology groove (3), middle part loss of weight technology groove (5) and rear portion loss of weight technology groove (6) on described key (13), described middle part loss of weight technology groove (5) is arranged between described anterior loss of weight technology groove (3) and described rear portion loss of weight technology groove (6).
A kind of new forms of energy hybrid vehicle main shaft the most according to claim 3, it is characterized in that: described anterior loss of weight technology groove (3) is connected by oil-through hole (4) with described middle part loss of weight technology groove (5), and described middle part loss of weight technology groove (5) is connected by oil-through hole (4) with described rear portion loss of weight technology groove (6).
5. the electron beam Welding of a kind of new forms of energy hybrid vehicle main shaft described in claim 1, it is characterised in that: the processing step of described new forms of energy hybrid vehicle spindle processing be followed successively by blank forge, the processing of rough turn heat treatment, half finish turning, drill-through oilhole, teeth portion, teeth portion heat treatment, welding, keyseat, fine grinding, eventually inspection, cleaning packaging, warehouse-in.
The electron beam Welding of a kind of new forms of energy hybrid vehicle main shaft the most according to claim 5, it is characterized in that: during described new forms of energy hybrid vehicle spindle processing, use the welding equipment with vacuum chamber, make described spindle main body (12) completely and oxygen, nitrogen, these disporduct surfaces of argon gas-insulated, and use surface cleaning agent to remove the greasy dirt of face of weld, water stain, foreign material, use warming-up device that described spindle main body (12) is effectively heated up to 180 DEG C and constant temperature afterwards, described spindle main body (12) is made to have physically better performance, increase special-purpose thermal insulation container, the described spindle main body (12) after welding is made slowly to be cooled to 40 DEG C in 10 hours by 180 DEG C.
CN201610362990.2A 2016-05-30 2016-05-30 New energy resource hybrid electric vehicle main shaft and electron beam welding technology thereof CN106002116A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119430A (en) * 1982-01-06 1983-07-15 Hitachi Ltd Manufacture of guide vane for water turbine
CN2683516Y (en) * 2004-03-02 2005-03-09 何全兴 Bicycle hollow crank
CN101947721A (en) * 2010-09-30 2011-01-19 陕西航空电气有限责任公司 Processing method of hollow shaft with small orifices and large inner holes
CN102248377A (en) * 2011-06-30 2011-11-23 重庆市蓝黛实业有限公司 Welding process posterior to heat treatment of automobile transmission gear
CN202441700U (en) * 2012-02-09 2012-09-19 湖南中联重科车桥有限公司 Vehicle and through shaft of main speed reducer thereof
CN103615525A (en) * 2013-12-10 2014-03-05 江苏威鹰机械有限公司 Transmission planetary gear carrier with support shaft and production process thereof
CN103737271A (en) * 2013-12-18 2014-04-23 广州市锐美汽车零部件有限公司 Machining technology of electric automobile motor spindle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119430A (en) * 1982-01-06 1983-07-15 Hitachi Ltd Manufacture of guide vane for water turbine
CN2683516Y (en) * 2004-03-02 2005-03-09 何全兴 Bicycle hollow crank
CN101947721A (en) * 2010-09-30 2011-01-19 陕西航空电气有限责任公司 Processing method of hollow shaft with small orifices and large inner holes
CN102248377A (en) * 2011-06-30 2011-11-23 重庆市蓝黛实业有限公司 Welding process posterior to heat treatment of automobile transmission gear
CN202441700U (en) * 2012-02-09 2012-09-19 湖南中联重科车桥有限公司 Vehicle and through shaft of main speed reducer thereof
CN103615525A (en) * 2013-12-10 2014-03-05 江苏威鹰机械有限公司 Transmission planetary gear carrier with support shaft and production process thereof
CN103737271A (en) * 2013-12-18 2014-04-23 广州市锐美汽车零部件有限公司 Machining technology of electric automobile motor spindle

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