CN103418999A - Automobile axle shaft machining technique - Google Patents

Automobile axle shaft machining technique Download PDF

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Publication number
CN103418999A
CN103418999A CN2013103996202A CN201310399620A CN103418999A CN 103418999 A CN103418999 A CN 103418999A CN 2013103996202 A CN2013103996202 A CN 2013103996202A CN 201310399620 A CN201310399620 A CN 201310399620A CN 103418999 A CN103418999 A CN 103418999A
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China
Prior art keywords
axle shaft
automobile axle
ring flange
turning
processing
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Granted
Application number
CN2013103996202A
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Chinese (zh)
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CN103418999B (en
Inventor
汪胜利
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Hubei Shenli automobile parts Limited by Share Ltd
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HUBEI SHENLI AUTO SEMI-AXLE Co Ltd
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Application filed by HUBEI SHENLI AUTO SEMI-AXLE Co Ltd filed Critical HUBEI SHENLI AUTO SEMI-AXLE Co Ltd
Priority to CN201310399620.2A priority Critical patent/CN103418999B/en
Publication of CN103418999A publication Critical patent/CN103418999A/en
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Publication of CN103418999B publication Critical patent/CN103418999B/en
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Abstract

The invention relates to an automobile axle shaft machining technique. According to the automobile axle shaft machining technique, an automobile axle shaft is formed in a one-time mode through an automobile axle shaft numerical-control machining tool, time is saved, labor is saved, and the coaxality uniformity of axle shaft workpieces is improved. According to the automobile axle shaft machining technique, a clamping device is arranged in the middle of a lathe bed, clamping is carried out on the two sides at the same time, clamping rigidity is guaranteed, the workpieces can bear greater cutting force during turning, a left siding turning tool and a right sliding turning tool can machine a axle shaft workblank at the same time under the control of two independent digital-control systems respectively, therefore, multiple machining steps can be accomplished on one machine tool, the technique is simplified, working efficiency is improved, and technique accuracy and coaxality uniformity are also improved through the digital-control systems.

Description

A kind of automobile axle shaft processing technology
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 of automobile, manufacturing, automobile axle shaft is an important component part of car transmissions, semiaxis is to pass to driving wheel or hub reduction gear for the power by differential side gear output, for the drive axle that adopts dependent formula suspension, stressing conditions according to semiaxis the inner with outer end, usually be divided into semifloating axle shaft, three kinds of 3/4ths floating axles and fully floating axles.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, the semiaxis fixed length is all independent processing technologys, uses many bench drills and engine lathe repeatedly to carry and the manual operations processing of clamping; Cause thus that production efficiency is low, cost of labor is high, require high to operating personnel's technical ability, and owing to repeatedly moving half shaft-like work, make the center of each processing all have certain error or skew, cause the precision of the semiaxis after moulding to 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, precision requirement to automobile axle shaft is also constantly improving, the present invention is improved by the processing technology to automobile axle shaft, the uniformity of the automobile axle shaft axiality of production is improved, and simplified technique, saved human resources and production cost, enhance productivity, guarantee the production quality.
The technical problem to be solved in the present invention is to provide a kind of processing technology of automobile axle shaft, it is characterized in that, described procedure of processing is as follows:
(1) clamping: the half-shaft blank middle part is clamped;
(2) centering: left and right is simultaneously to ring flange and splined end centering;
(3) car outer face: turning 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: turning processing is carried out to spline cylindrical and ring flange cylindrical in left and right simultaneously;
(5) finish turning ring flange inner face: plane and R groove to the ring flange inner face carry out turning processing;
(6) car ring flange end-journal: the ring flange end-journal is partly carried out to turning processing.
Preferably, described technique is by disposable the machining of a kind of automobile axle shaft numerical control machine tool.
A kind of automobile axle shaft numerical control machine tool, is characterized in that, described lathe comprises:
Lathe bed;
Be located at the rotating shaft at lathe bed middle part, described rotating shaft is hollow, drives it by a motor and does the axial-rotation motion;
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 comprised of sliding part, support portion, turning section respectively, described support portion is set on sliding part, turning section is located on support portion, described support portion connects a driving element, for drive the relative gripping mechanism in support portion do away from and close horizontal movement, described turning section also connects a control element, for controlling turning section relative support portion vertical axial, rotatablely moves.
Preferably, between described rotating shaft and motor, by a transmission device, be connected, described transmission device is gear drive and tape handler, described gear drive comprises the first gear and the second gear, and the first gear and the second gear are connected with a joggle, 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 the second gear coaxially is 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 is respectively by two independently digital control system controls.
Preferably, described lathe also comprises a positioning block, is arranged on the gripping mechanism that clamps half shaft-like work ring flange one side.
Beneficial effect of the present invention comprises: the processing technology of automobile axle shaft of the present invention, by the moulding of a kind of automobile axle shaft numerical control machine tool time processing, not only saved the time, reduced manpower, and improved the axiality uniformity of half shaft-like work, gripping mechanism is arranged to the lathe bed middle part, both sides clamp simultaneously, guaranteed the clamping rigidity, make workpiece can bear larger cutting force in Tutrning Process, and overlap independently digital control system by two and control respectively a left side, multiple cutter on right slide trucks turning device carries out the processing of different process simultaneously to half-shaft blank, so, a plurality of procedure of processings can be carried out on a machine tool simultaneously, not only simplified technique, improved operating efficiency, and control and also improved craft precision by digital control system, this machine adopted lathe tool is processed simultaneously, compare the available technology adopting milling cutter, reduced cost, so use automobile axle shaft numerical control machine tool processing half-shaft blank of the present invention, its technological operation is simple, consuming time few, the axiality uniformity is high.
The 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.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated, be to be understood that, specific embodiment described herein only, in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides 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 compositions, described gripping mechanism is left, right chuck 3, 4, the 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, the second gear 16, output driving wheel 17, driven pulley 18, feed belt 19, take Fig. 1 institute is positive to direction, 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 on the lathe bed middle part, hollow in axle, and the cross section of its hollow is greater than the cross section of automobile axle shaft workpiece, a left side, right chuck 3, 4 symmetrical reverse are arranged on the two ends of rotating shaft 2, workpiece is added and reach the effect that two ends clamp man-hour, and locating piece 23 is fixedly installed on left chuck 3, while clamping half shaft-like work, make the ring flange inner surface butt locating piece of half shaft-like work, thereby reach the effect of workpiece location, a left side, right supporting plate 9, 10 are separately positioned on the two ends of lathe bed 1, and left numerically-controlled slide 5 is housed on left supporting plate 9, and right numerically-controlled slide 6, a left side are housed on right supporting plate 10, right numerically-controlled slide 5, be respectively equipped with a plurality of fixtures on 6, can clamp multiple cutter simultaneously, and institute's dress cutter is all lathe tool, use not only better cut workpiece of lathe tool, 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, for controlling knife rest, along vertical axial, rotate, to transform double shaft-like work of different cutters, processed, reduce artificial, improved operating efficiency, left, right supporting plate 9, 10 lower end is set in through lathe bed 1 left side that is arranged at lathe bed 1 below, right ball screw 13, on 14, left, right ball screw 13, 14 top 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 reaching close horizontal movement.
By chuck being arranged in the middle of lathe bed, reach and can utilize double shaft-like work two ends of cutter of installing on left and right numerically-controlled slide to carry out machining simultaneously; Avoided traditional handicraft need to carry out clamping and dismounting repeatedly, multinomial procedure of processing can once be completed, and because both sides while double shaft-like work mid portion clamped, effectively guaranteed the clamping rigidity, make workpiece can bear larger cutting force in Tutrning Process, and guarantee turning machining accuracy and working (machining) efficiency, avoided the traditional vehicle bed apparatus to clamp the problems such as the processing cutting vibration that the other end withstands with top tailstock or the top mode processing thin and long shafts product withstood is all used at two ends and cause is large, cutting force is not enough with an end with chuck simultaneously.
Referring to accompanying drawing 2, adjustable frequency motor 20 is fixedly installed on the back side of lathe bed 1, be set with a driving belt 19 on the output driving wheel 17 of adjustable frequency motor 20, the other end of driving belt 19 is sleeved on driven pulley 18, driven pulley 18 is coaxial with the second gear 16, the 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 by output driving wheel 17 power is passed to driven pulley 18, drive the second gear 16 by driven pulley 18 again, because the second gear 16 and the first gear 15 are connected with a joggle, thereby final driven rotary axle 2 rotates, and can control its rotating speed and turn to.
Adopt adjustable frequency motor; utilize computer program to control adjustable frequency motor and control the rotating speed that rotating shaft changes its rotation; can not shut down easily and effectively switching; the conversion that is different from legacy equipment and is by gear changes the transmission rotating speed; must the stop the rotation during speed-changing rotation of axle, make it to have increased 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 processing, its concrete steps are as follows:
(1) clamping: the splined end of half-shaft blank 21 is inserted from left to right in the rotating shaft 2 of hollow, clamped with left and right chuck 3,4, 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 of controlling rotating shaft 2 is 1000~1200 rev/mins, drive right supporting plate 10 to move, and make right numerically-controlled slide 6 rotations 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 make left numerically-controlled slide 5 rotations select the outer face shaft core position centering of conventional center bit to ring flange 22.
(3) car outer face: the rotating speed of controlling rotating shaft 2 is 350~400 rev/mins, drive right numerically-controlled slide 6 rotations to select miter angle left avertence cutter to carry out turning processing to the outer face of splined end 21, drive left numerically-controlled slide 5 rotations to select miter angle right avertence cutter to carry out turning processing to the outer face of ring flange simultaneously, make the outer face of splined end and ring flange smooth.
(4) turning: drive right numerically-controlled slide 6 rotations to select an angle of 90 degrees left avertence cutter to carry out turning processing to spline 21 cylindricals, drive 5 rotations of left numerically-controlled slide to select an angle of 90 degrees right avertence cutter to carry out turning processing to ring flange 22 cylindricals simultaneously, make 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 rotations to select circular bit to carry out turning processing to the plane of ring flange 22 inner faces and the degree of depth of R groove.
(6) car ring flange end-journal: drive left numerically-controlled slide 5 to select equally circular bit partly to carry out turning processing to ring flange 22 end-journals, so far, complete the processing to half-shaft blank, produce standard compliant automobile axle shaft.
In step (2), by using anti-sword center bit, splined end is carried out to centering, reach the purpose of cutting simultaneously.
Left and right slide trucks turning device is respectively by two independently digital control system controls, make left and right slide trucks turning device carry out the processing of different process simultaneously, but can not interact, compare artificial, improved craft precision, and any displacement does not all occur workpiece from the beginning to the end, the center at each position of left and right turning remains unchanged, thereby the axiality uniformity that makes machining obtain half shaft-like work improves, make to have obtained in service life of semiaxis growth.
Automobile axle shaft numerical control machine tool of the present invention is by being arranged on chuck the middle part of lathe bed, and adopt digital control system to control the 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, make whole processing technology be three-dimensional processing, carry out full-automatic accurate processing by adopting digital control system to control all parts, guaranteed the crudy of product, and the uniformity of product size, save artificial simultaneously, simplify procedure of processing, the legacy equipment of avoiding once can only be processed the situation of a semiaxis part, and the quality wild effect caused hand-manipulated, simultaneously by adopting lathe tool to substitute traditional milling cutter, better cut workpiece not only, also saved cost.
The above the specific embodiment of the present invention, do not form limiting the scope of the present invention.Various other corresponding changes and distortion that any technical conceive according to the present invention has been done, all should be included in the protection domain of the claims in the present invention.

Claims (2)

1. the processing technology of an automobile axle shaft, is characterized in that, described procedure of processing is as follows:
(1) clamping: the half-shaft blank middle part is clamped;
(2) centering: left and right is simultaneously to ring flange and splined end centering;
(3) car outer face: turning 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: turning processing is carried out to spline cylindrical and ring flange cylindrical in left and right simultaneously;
(5) finish turning ring flange inner face: plane and R groove to the ring flange inner face carry out turning processing;
(6) car ring flange end-journal: the ring flange end-journal is partly carried out to turning processing.
2. the processing technology of automobile axle shaft according to claim 1, is characterized in that, described technique is by disposable the machining of a kind of automobile axle shaft numerical control machine tool.
CN201310399620.2A 2013-09-05 2013-09-05 A kind of automobile axle shaft processing technology Active CN103418999B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310399620.2A CN103418999B (en) 2013-09-05 2013-09-05 A kind of automobile axle shaft processing technology

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Application Number Priority Date Filing Date Title
CN201310399620.2A CN103418999B (en) 2013-09-05 2013-09-05 A kind of automobile axle shaft processing technology

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CN103418999A true CN103418999A (en) 2013-12-04
CN103418999B CN103418999B (en) 2015-08-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104259754A (en) * 2014-08-12 2015-01-07 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
CN106271423A (en) * 2016-08-26 2017-01-04 中航动力股份有限公司 A kind of processing method of alloy type thin walled welds packing ring
CN106392469A (en) * 2015-07-01 2017-02-15 重庆荆江汽车半轴有限公司 Half shaft machining process
CN107984180A (en) * 2017-11-29 2018-05-04 江阴市永兴机械制造有限公司 A kind of splined driveshaft axis fine-processing technique

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104259754A (en) * 2014-08-12 2015-01-07 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
CN106271423A (en) * 2016-08-26 2017-01-04 中航动力股份有限公司 A kind of processing method of alloy type thin walled welds packing ring
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
CN107984180A (en) * 2017-11-29 2018-05-04 江阴市永兴机械制造有限公司 A kind of splined driveshaft axis fine-processing technique

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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.