CN103418999B - A kind of automobile axle shaft processing technology - Google Patents
A kind of automobile axle shaft processing technology Download PDFInfo
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- CN103418999B CN103418999B CN201310399620.2A CN201310399620A CN103418999B CN 103418999 B CN103418999 B CN 103418999B CN 201310399620 A CN201310399620 A CN 201310399620A CN 103418999 B CN103418999 B CN 103418999B
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Abstract
The present invention relates to a kind of processing technology of automobile axle shaft, shaping by a kind of automobile axle shaft numerical control machine tool time processing, not only save the time, decrease manpower, and improve the axiality uniformity of half shaft-like work, gripping mechanism is arranged in the middle part of lathe bed, both sides clamp simultaneously, ensure that clamping rigidity, make workpiece can bear larger cutting force in Tutrning Process, and overlap independently digital control system by two and control a left side respectively, right slide trucks turning device is processed half-shaft blank simultaneously, therefore, multiple procedure of processing can be carried out on a machine tool simultaneously, not only simplify technique, improve operating efficiency, and control to also improve craft precision and axiality uniformity by digital control system.
Description
Technical field
The present invention relates to a kind of processing technology of mechanical part, be specifically related to a kind of processing technology of automobile axle shaft.
Background technology
In the design, manufacture of automobile, automobile axle shaft is an important component part of car transmissions, the power that semiaxis is used to differential side gear exports passes to driving wheel or hub reduction gear, for the drive axle adopting dependent formula suspension, according to the stressing conditions of semiaxis the inner with outer end, usually semifloating axle shaft is divided into, 3/4ths floating axles and fully floating axle three kinds.The manufacturing process of semiaxis is very meticulous, and step is various.
At present in the industry of producing automobile axle shaft, beat microcephaly's centre bore, rough turn flange and centering, rough turn flange outer face, flange inner face, rough turn spline cylindrical, semiaxis fixed length be all independent processing technologys, use multiple stage drilling machine and engine lathe is repeatedly carried and the manual operations of clamping processing; Cause that production efficiency is low, cost of labor is high thus, high to the skill set requirements of operating personnel, and owing to repeatedly moving half shaft-like work, make the center of each processing all there is certain error or skew, cause shaping after the precision of semiaxis reduce, therefore also can reduce the service life of semiaxis.
Summary of the invention
For adapting to the keen competition day by day of automobile fitting industry, the precision requirement of automobile axle shaft is also constantly being improved, the present invention is by improving the processing technology of automobile axle shaft, the uniformity of the automobile axle shaft axiality of production is improved, and simplify technique, save human resources and production cost, enhance productivity, guarantee production quality.
The technical problem to be solved in the present invention is the processing technology providing a kind of automobile axle shaft, it is characterized in that, described procedure of processing is as follows:
(1) clamping: clamp in the middle part of half-shaft blank;
(2) centering: left and right is simultaneously to ring flange and splined end centering;
(3) car outer face: turnery processing is carried out to the outer face of splined end and the outer face of ring flange in left and right simultaneously;
(4) turning: turnery processing is carried out to spline cylindrical and ring flange cylindrical in left and right simultaneously;
(5) finish turning ring flange inner face: turnery processing is carried out to the plane of ring flange inner face and R groove;
(6) car ring flange end-journal: turnery processing is carried out to ring flange end-journal part.
Preferably, described technique machines by a kind of automobile axle shaft numerical control machine tool is disposable.
A kind of automobile axle shaft numerical control machine tool, it is characterized in that, described lathe comprises:
Lathe bed;
Be located at the rotating shaft in the middle part of lathe bed, described rotating shaft is hollow, drives it to do axial rotation motion by a motor;
Symmetrical reverse is located at the left and right gripping mechanism of rotating shaft terminal;
Be arranged on the left and right slide trucks turning device at lathe bed two ends, described left and right slide trucks turning device is provided with multiple cutter, and described cutter comprises an anti-sword center bit.
Preferably, described left and right slide trucks turning device is made up of sliding part, support portion, turning portion respectively, described support portion is set on sliding part, turning portion is located on support portion, described support portion connects a driving element, for drive support portion relative to gripping mechanism do away from and close horizontal movement, described turning portion also connects a control element, does the rotary motion of vertical axial for controlling relative support portion of turning portion.
Preferably, described rotating shaft is connected by a transmission device with between motor, described transmission device is gear drive and tape handler, described gear drive comprises the first gear and the second gear, and the first gear is connected with the second gears meshing, and described tape handler comprises driving wheel and driven pulley, and driving-belt, described driving-belt is sleeved on driving wheel and driven pulley, and wherein said second gear is coaxially connected with driven pulley, and driving wheel is driven by motor output shaft.
Preferably, the cutter on described left slide trucks turning device comprises centre drill, miter angle left avertence cutter, an angle of 90 degrees left avertence cutter, circular bit, and the cutter on right slide trucks turning device comprises anti-sword center bit, miter angle right avertence cutter, an angle of 90 degrees right avertence cutter.
Preferably, described cutter is all lathe tool.
Preferably, described left and right slide trucks turning device respectively by two independently digital control system control.
Preferably, described lathe also comprises a positioning block, be arranged on clamp half shaft-like work ring flange side gripping mechanism on.
Beneficial effect of the present invention comprises: the processing technology of automobile axle shaft of the present invention, shaping by a kind of automobile axle shaft numerical control machine tool time processing, not only save the time, decrease manpower, and improve the axiality uniformity of half shaft-like work, gripping mechanism is arranged in the middle part of lathe bed, both sides clamp simultaneously, ensure that clamping rigidity, make workpiece can bear larger cutting force in Tutrning Process, and overlap independently digital control system by two and control a left side respectively, multiple cutter on right slide trucks turning device carries out the processing of different process simultaneously to half-shaft blank, so, multiple procedure of processing can be carried out on a machine tool simultaneously, not only simplify technique, improve operating efficiency, and control to also improve craft precision by digital control system, this lathe adopts lathe tool to process simultaneously, compare in prior art and adopt milling cutter, reduce cost, so use automobile axle shaft numerical control machine tool of the present invention to process half-shaft blank, its technological operation is simple, consuming time few, axiality uniformity is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile axle shaft numerical control machine tool;
Fig. 2 is the structural representation of transmission device;
Fig. 3 is the flow chart of automobile axle shaft processing technology.
Detailed description of the invention
Clearly understand to make object of the present invention, technical scheme and advantage, below in conjunction with drawings and Examples, the present invention is further elaborated, is to be understood that, specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiments provide a kind of automobile axle shaft numerical control machine tool, as shown in Figure 1, described automobile axle shaft numerical control machine tool is by lathe bed 1, gripping mechanism, rotating shaft 2, slide trucks turning device and motor, and transmission device and locating piece 23 form, described gripping mechanism is left, right chuck 3, 4, slide trucks turning device comprises a left side, right numerically-controlled slide 5, 6, left, right knife rest electric rotating machine 7, 8, left, right supporting plate 9, 10, left, right servomotor 11, 12, left, right ball screw 13, 14, motor is adjustable frequency motor 20, transmission device comprises the first gear 15, second gear 16, export driving wheel 17, driven pulley 18, feed belt 19, with Fig. 1 institute to direction for front, half shaft-like work comprises splined end 21 and ring flange 22.
In the present embodiment, as shown in Figure 1, rotating shaft 2 is arranged in the middle part of lathe bed, hollow in axle, and the cross section of its hollow is greater than the cross section of automobile axle shaft workpiece, left, right chuck 3, 4 symmetrical reverse are arranged on the two ends of rotating shaft 2, and make the effect reaching two ends clamping during work pieces process, locating piece 23 is fixedly installed on left chuck 3, when clamping half shaft-like work, make the ring flange inner surface of half shaft-like work abut locating piece, thus reach the effect of Workpiece fixing, left, right supporting plate 9, 10 two ends being separately positioned on lathe bed 1, left supporting plate 9 are equipped with left numerically-controlled slide 5, right supporting plate 10 are equipped with right numerically-controlled slide 6, left, right numerically-controlled slide 5, be respectively equipped with multiple fixture on 6, multiple cutter can be clamped simultaneously, and institute's dress cutter is all lathe tool, use lathe tool not only can better cut workpiece, can also be cost-saving, wherein, the lathe tool on left numerically-controlled slide 5 comprises centre drill, miter angle left avertence cutter, an angle of 90 degrees left avertence cutter, circular bit, the lathe tool on right numerically-controlled slide 6 comprises anti-sword center bit, miter angle right avertence cutter, an angle of 90 degrees right avertence cutter.Left, right numerically-controlled slide 5, the 6 relative other ends are separately installed with a left side, right knife rest electric rotating machine 7, 8, rotate along vertical axial for controlling knife rest, process to transform different cutter double shaft-like work, reduce artificial, improve operating efficiency, left, right supporting plate 9, the lower end of 10 is set in through lathe bed 1 left side be arranged at below lathe bed 1, right ball screw 13, on 14, left, right ball screw 13, the top of 14 is respectively equipped with a left side, right servomotor 11, 12, for controlling a left side, right supporting plate 9, 10 can distinguish a left side relatively, right chuck 3, 4 do away from and close horizontal movement.
By chuck is arranged in the middle of lathe bed, reaches and cutter double shaft-like work two ends that left and right numerically-controlled slide is installed can be utilized simultaneously to carry out machining; Avoid clamping and dismounting that traditional handicraft needs to carry out repeatedly, multinomial procedure of processing can once be completed, and because double shaft-like work mid portion while of both sides clamps, effectively ensure that clamping rigidity, make workpiece can bear larger cutting force in Tutrning Process, and ensure turnery processing precision and working (machining) efficiency, avoid the problems such as the processing cutting vibration that traditional vehicle bed apparatus withstands with one end chuck clamping other end apex tailstock or two ends are all caused with the top mode processing thin and long shafts product that withstands is large, cutting force is not enough simultaneously.
See accompanying drawing 2, adjustable frequency motor 20 is fixedly installed on the back side of lathe bed 1, the output driving wheel 17 of adjustable frequency motor 20 is set with a driving belt 19, the other end of driving belt 19 is sleeved on driven pulley 18, driven pulley 18 is coaxial with the second gear 16, second gear 16 and the first gear 15 are connected with a joggle, digital control system is by controlling adjustable frequency motor, drive driving belt 19 that power is passed to driven pulley 18 by output driving wheel 17, the second gear 16 is driven again by driven pulley 18, because the second gear 16 and the first gear 15 are connected with a joggle, thus the final rotating shaft 2 that drives rotates, and its rotating speed can be controlled and turn to.
Adopt adjustable frequency motor; utilize computer program to control adjustable frequency motor and control rotating shaft to change the rotating speed of its rotation; switching can not shut down easily and effectively; being different from legacy equipment is change transmission rotating speed by the conversion of gear; must to stop the rotation during speed-changing the rotation of axle, to make it to add pair and add the activity duration.
As shown in Figure 3, the processing technology of a kind of automobile axle shaft of the present invention, by using above-mentioned automobile axle shaft numerical control machine tool to process, its concrete steps are as follows:
(1) clamping: insert in the rotating shaft 2 of hollow from left to right by the splined end 21 of half-shaft blank, clamps with left and right chuck 3,4, and make the splined end 21 of half-shaft blank be positioned at right side, ring flange 22 is positioned at left side.
(2) centering: adjust left and right supporting plate 9,10 to the origin of coordinates, the rotating speed controlling rotating shaft 2 is 1000 ~ 1200 revs/min, right supporting plate 10 is driven to move, and make the rotation of right numerically-controlled slide 6 select anti-sword center bit, to the outer face shaft core position centering of splined end 21, drive left supporting plate 9 to move simultaneously, and left numerically-controlled slide 5 is rotated select Traditional center drill bit to the outer face shaft core position centering of ring flange 22.
(3) car outer face: the rotating speed controlling rotating shaft 2 is 350 ~ 400 revs/min, driving right numerically-controlled slide 6 to rotate selects miter angle left avertence cutter to carry out turnery processing to the outer face of splined end 21, drive left numerically-controlled slide 5 to rotate selects miter angle right avertence cutter to carry out turnery processing to the outer face of ring flange simultaneously, makes the outer face of splined end and ring flange smooth.
(4) turning: drive right numerically-controlled slide 6 to rotate and select an angle of 90 degrees left avertence cutter to carry out turnery processing to spline 21 cylindrical, drive left numerically-controlled slide 5 to rotate selects an angle of 90 degrees right avertence cutter to carry out turnery processing to ring flange 22 cylindrical simultaneously, makes the outside diameter of splined end 21 and ring flange 22 reach the size of regulation.
(5) finish turning ring flange inner face: drive left numerically-controlled slide 5 to rotate and select circular bit to carry out turnery processing to the plane of ring flange 22 inner face and the degree of depth of R groove.
(6) car ring flange end-journal: drive left numerically-controlled slide 5 to select circular bit to carry out turnery processing to ring flange 22 end-journal part equally, so far, complete the processing to half-shaft blank, produce standard compliant automobile axle shaft.
In step (2), by using anti-sword center bit to carry out centering to splined end, reach the object of simultaneously cutting.
Left and right slide trucks turning device respectively by two independently digital control system control, make left and right slide trucks turning device carry out the processing of different process simultaneously, but can not interact, compare artificial, improve craft precision, and workpiece all any displacement does not occur from the beginning to the end, then the center at each position of left and right turning remains unchanged, thus the axiality uniformity making machining obtain half shaft-like work improves, and makes obtain growth the service life of semiaxis.
Automobile axle shaft numerical control machine tool of the present invention is by being arranged on the middle part of lathe bed by chuck, and adopt digital control system to control rotating shaft rotation, the conversion of numerically-controlled slide cutter, and the side-to-side movement of relative half shaft-like work of numerically-controlled slide, whole processing technology is made to be three-dimensional processing, control all parts by adopting digital control system and carry out full-automatic accurate processing, ensure that the crudy of product, and the uniformity of product size, save artificial simultaneously, simplify procedure of processing, the legacy equipment avoided once can only process the situation of a semiaxis part, and the quality wild effect that manual operations causes, simultaneously by adopting lathe tool to substitute traditional milling cutter, not only can better cut workpiece, also a saving cost.
The above the specific embodiment of the present invention, does not form limiting the scope of the present invention.Any various other done by technical conceive of the present invention change and distortion accordingly, all should be included in the protection domain of the claims in the present invention.
Claims (1)
1. a processing technology for automobile axle shaft, is characterized in that, procedure of processing is as follows:
Clamping: the splined end of half-shaft blank inserted from left to right in the rotating shaft of hollow, clamps with left and right chuck, and make the splined end of half-shaft blank be positioned at right side, ring flange is positioned at left side,
Centering: adjust left and right supporting plate to the origin of coordinates, the rotating speed controlling rotating shaft is 1000 ~ 1200 revs/min, right supporting plate is driven to move, and make the rotation of right numerically-controlled slide select anti-sword center bit, to the outer face shaft core position centering of splined end, drive left supporting plate to move simultaneously, and make the rotation of left numerically-controlled slide select Traditional center drill bit to the outer face shaft core position centering of ring flange
Car outer face: the rotating speed controlling rotating shaft is 350 ~ 400 revs/min, driving right numerically-controlled slide to rotate selects miter angle left avertence cutter to carry out turnery processing to the outer face of splined end, drive left numerically-controlled slide to rotate selects miter angle right avertence cutter to carry out turnery processing to the outer face of ring flange simultaneously
Turning: drive right numerically-controlled slide to rotate and select an angle of 90 degrees left avertence cutter to carry out turnery processing to spline cylindrical, drives left numerically-controlled slide to rotate simultaneously and selects an angle of 90 degrees right avertence cutter to carry out turnery processing to ring flange cylindrical,
Finish turning ring flange inner face: drive left numerically-controlled slide to rotate and select the degree of depth of circular bit to the plane of ring flange inner face and R groove to carry out turnery processing,
Car ring flange end-journal: drive left numerically-controlled slide to select circular bit to carry out turnery processing to ring flange end-journal part equally,
Described technique machines by a kind of automobile axle shaft numerical control machine tool is disposable, left, right slide trucks turning device respectively by two independently digital control system control, described automobile axle shaft numerical control machine tool is by lathe bed, gripping mechanism, rotating shaft, slide trucks turning device and motor and transmission device and locating piece composition, described gripping mechanism is left, right chuck, slide trucks turning device is by a left side, right numerically-controlled slide, left, right knife rest electric rotating machine, left, right supporting plate, left, right servomotor, left, right ball screw composition, motor is adjustable frequency motor, transmission device is by the first gear, second gear, export driving wheel, driven pulley, feed belt forms, left, right numerically-controlled slide is respectively equipped with multiple fixture and clamps multiple cutter simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310399620.2A CN103418999B (en) | 2013-09-05 | 2013-09-05 | A kind of automobile axle shaft processing technology |
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| CN201310399620.2A CN103418999B (en) | 2013-09-05 | 2013-09-05 | A kind of automobile axle shaft processing technology |
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| CN103418999B true CN103418999B (en) | 2015-08-12 |
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| CN103753213A (en) * | 2013-12-26 | 2014-04-30 | 柳州正菱集团有限公司 | Overall length centering device for half shaft |
| CN104259754B (en) * | 2014-08-12 | 2017-02-15 | 重庆江增船舶重工有限公司 | Impeller pull rod machining method |
| CN104439937A (en) * | 2014-11-06 | 2015-03-25 | 苏州市诚键法兰制造有限公司 | Method for manufacturing anti-skid stainless steel flange |
| CN106392469A (en) * | 2015-07-01 | 2017-02-15 | 重庆荆江汽车半轴有限公司 | Half shaft machining process |
| CN106271423B (en) * | 2016-08-26 | 2018-08-31 | 中航动力股份有限公司 | A kind of processing method of alloy type thin walled welds washer |
| CN107984180B (en) * | 2017-11-29 | 2019-05-31 | 江阴市永兴机械制造有限公司 | A kind of splined driveshaft axis fine-processing technique |
| CN113175474A (en) * | 2021-03-24 | 2021-07-27 | 江苏建鑫机械制造有限公司 | Automobile hub mandrel and manufacturing method thereof |
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| JP2001079718A (en) * | 1999-09-08 | 2001-03-27 | Komatsu Ltd | Compound machining machine |
| CN2536332Y (en) * | 2002-04-26 | 2003-02-19 | 杭州金宝机床有限公司 | Double-head numerical controlled lathes |
| CN2863326Y (en) * | 2006-01-20 | 2007-01-31 | 邝锦富 | Double-ended numerical control boring machine |
| JP4786432B2 (en) * | 2006-06-15 | 2011-10-05 | 東芝機械株式会社 | Precision roll lathe |
| CN201151143Y (en) * | 2007-12-11 | 2008-11-19 | 扈存玉 | Double-ended numerical control wood lathe |
| CN201223946Y (en) * | 2008-07-28 | 2009-04-22 | 三门峡豫西机床有限公司 | Middle drive double-head numerically controlled lathe |
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| CN102672436B (en) * | 2012-05-28 | 2014-09-10 | 大永精机（福州）有限公司 | Manufacturing process of automobile half shaft |
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Address after: 438700, Huanggang, Hubei province Yingshan County dream home Avenue No. 128 Patentee after: Hubei Shenli automobile parts Limited by Share Ltd Address before: 438700, Huanggang, Hubei province Yingshan County dream home Avenue No. 128 Patentee before: Hubei Shenli Auto Semi-Axle Co., Ltd. |