CN107127356A - A kind of differential casing machining center - Google Patents

A kind of differential casing machining center Download PDF

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Publication number
CN107127356A
CN107127356A CN201710279883.8A CN201710279883A CN107127356A CN 107127356 A CN107127356 A CN 107127356A CN 201710279883 A CN201710279883 A CN 201710279883A CN 107127356 A CN107127356 A CN 107127356A
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CN
China
Prior art keywords
differential casing
machining
lathe
unit head
fuselage
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.)
Granted
Application number
CN201710279883.8A
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Chinese (zh)
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CN107127356B (en
Inventor
夏波
宋立军
位坤
李超
姚亮
张学先
刁玉臣
魏金宝
王忠生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO HUARUI AUTO PARTS CO Ltd
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QINGDAO HUARUI AUTO PARTS CO Ltd
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Priority to CN201710279883.8A priority Critical patent/CN107127356B/en
Publication of CN107127356A publication Critical patent/CN107127356A/en
Application granted granted Critical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B3/00General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
    • B23B3/36Associations of only turning-machines directed to a particular metal-working result
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B1/00Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B5/00Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/36Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
    • B23B5/40Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning spherical surfaces inside or outside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B3/00General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B5/00Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • General Details Of Gearings (AREA)
  • Machine Tool Units (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention belongs to field of machining, and in particular to a kind of differential casing machining center.The differential casing machining center is main to be made up of differential casing bearings at both ends installation position Excircle machining lathe, differential casing internal gear installation spherical cambered surface lathe for machining and control system;Differential casing bearings at both ends installation position Excircle machining lathe includes:First fuselage, main shaft, Pneumatic tailstock and the first cutter;Differential casing internal gear, which installs spherical cambered surface lathe for machining, to be included:Second fuselage, left unit head, right unit head, positioning clamping device and tool changing device.It improves machining accuracy and processing efficiency, greatly reduces percent defective, efficiently solves and uses the processing differential casing bearings at both ends installation position of traditional approach generally existing is cylindrical to install the problem of spherical cambered surface difficulty is big with differential casing internal gear.

Description

A kind of differential casing machining center
Technical field
The invention belongs to field of machining, and in particular to a kind of differential casing machining center.
Background technology
Now for the processing of minicar differential casing, mainly there are two processing difficulties (shown in Fig. 1), the first difficult point It is the processing of differential casing bearings at both ends installation position cylindrical 11, the requirement of axiality is high, tolerance is within 0.05 millimeter of ¢, the Two difficult points are the processing that differential casing internal gear installs spherical cambered surface 12, because processing space is small, and performance requires high, shape It is difficult to position of related features.It is general using one end completion is processed on lathe for first point of processing, turn around to process the other end Method, but poor shell bearings at both ends position axiality is overproof using being easily caused after the method processing, and gear ring mounting surface beating degree surpasses Difference.Second point processes most work in-process in the heart with shaping countersink ream spherical cambered surface, there is countersink during processing and installs location difficulty, effect Lowly, countersink low intensity, is deformed greatly rate in addition, and processing form and position tolerance is big, and size is unstable, all factors for processing generation above Cause after poor shell, gear and bearing assembly, part transmission abnormal sound occur, rotate dumb, part service life is short, makes whole Car hydraulic performance decline, influence consumer uses.
The content of the invention
Present invention seek to address that above mentioned problem is there is provided a kind of differential casing machining center, it, which is efficiently solved, makes With the processing differential casing bearings at both ends installation position of traditional approach generally existing is cylindrical and differential casing internal gear installs ball The problem of cambered surface difficulty is big, improves machining accuracy and processing efficiency, greatly reduces percent defective, and the technical scheme that it is used is such as Under:
A kind of differential casing machining center, it is characterised in that:It is main outside differential casing bearings at both ends installation position Circle lathe for machining, differential casing internal gear install spherical cambered surface lathe for machining and control system composition;
The differential casing bearings at both ends installation position Excircle machining lathe includes:
First fuselage;
Main shaft, for driving workpiece to rotate, carries out hole inner support with can pass through to the centre bore of differential casing thereon The hydraulic expanding core positioner of the fixed workpiece of positioning;
Pneumatic tailstock, thereon with the rolling center for top tight workpiece, the free end of the rolling center is taper, institute Rolling center is stated to be connected with tailstock rotation;
First cutter, for cutting workpiece, it is connected on the first fuselage by knife rest;
The differential casing internal gear, which installs spherical cambered surface lathe for machining, to be included:
Second fuselage;
Left unit head, for driving forming cutter to rotate, it, which has, can make the knife bar of left unit head make left and right feed motion Knife bar feed arrangement;
Right unit head, for driving forming cutter to rotate, it, which has, can make the knife bar of right unit head make left and right feed motion Knife bar feed arrangement, the right unit head is symmetrical arranged with left unit head;
Positioning clamping device, positioning and fixation for workpiece;The positioning clamping device includes the alignment pin, second Locating shaft, hydraulic jack, manipulator and supporting, the alignment pin, the cylinder barrel of hydraulic jack, the second locating shaft and supporting are fixed in On second fuselage, the top of the piston rod of the hydraulic jack and the first end of manipulator are hinged, the supporting and mechanical palmistry It is hinged, the second end of the manipulator is pressed on differential casing;
Tool changing device, for inserting in differential carrier body and being taken out out of differential carrier body by forming cutter;The tool changing dress Put including:Slide rail, it is installed on the second fuselage;Sliding block, it can horizontally slip under cylinder promotion along slide rail;First tool changing gas Cylinder, its cylinder barrel and sliding block Joint, the tool changing cylinder is two, is arranged side by side;Changing knife rod, its one end and the first tool changing gas The piston rod connection of cylinder, the other end is connected with forming cutter;Second tool changing cylinder, its cylinder barrel and the second fuselage Joint, its Piston rod is connected with sliding block.
The invention has the advantages that:First, machining accuracy and processing efficiency are improved;2nd, safe and reliable, operation letter Folk prescription is just;3rd, percent defective is greatly reduced, the processing differential casing two using traditional approach generally existing is efficiently solved End bearing installation position is cylindrical and gear installs the problem of spherical cambered surface difficulty is big.
Brief description of the drawings
Fig. 1:The structural representation of differential casing;
Fig. 2:Fig. 1 overlooking the structure diagram;
Fig. 3:Fig. 1 left view structural representation;
Fig. 4:Fig. 2 cross-sectional view;
Fig. 5:The structural representation of conventional differential cases bearings at both ends installation position Excircle machining lathe;
Fig. 6:Conventional differential cases internal gear installs the structural representation of spherical cambered surface lathe for machining;
Fig. 7:The structural representation of differential casing bearings at both ends installation position Excircle machining lathe of the present invention;
Fig. 8:Differential casing internal gear of the present invention installs the structural representation of spherical cambered surface lathe for machining;
Fig. 9:Fig. 8 overlooking the structure diagram;
Figure 10:The structural representation of hydraulic expanding core positioner of the present invention;
Figure 11:The structural representation of positioning clamping device of the present invention;
Embodiment
The invention will be further described with example below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of differential casing, and Fig. 2 is Fig. 1 overlooking the structure diagram, and Fig. 3 is Fig. 1 left view knot Structure schematic diagram, Fig. 4 is Fig. 2 cross-sectional view, and Fig. 5 is conventional differential cases bearings at both ends installation position Excircle machining car The structural representation of bed, Fig. 6 is the structural representation that conventional differential cases internal gear installs spherical cambered surface lathe for machining, and Fig. 7 is The structural representation of differential casing bearings at both ends installation position Excircle machining lathe of the present invention, Fig. 8 is difference of the present invention Fast device housing internal gear installs the structural representation of spherical cambered surface lathe for machining, and Fig. 9 is Fig. 8 overlooking the structure diagram, Tu10Shi The structural representation of hydraulic expanding core positioner of the present invention;Figure 11 is the structural representation of positioning clamping device of the present invention Figure.
Explanation is needed exist for, noun of locality left and right described in text is fixed on the basis of the view shown in Fig. 7 and Fig. 8 Justice, it will be appreciated that the use of the noun of locality should not limit the protection domain that the application is asked.
As shown in Figure 1 to Figure 4 and shown in Fig. 7 to Fig. 9, a kind of differential casing machining center, it is characterised in that:It is main by difference Fast device housing bearings at both ends installation position Excircle machining lathe 100, differential casing internal gear install the and of spherical cambered surface lathe for machining 200 Control system is constituted;
The differential casing bearings at both ends installation position Excircle machining lathe 100 includes:
First fuselage 20;
Main shaft 24, for driving workpiece to rotate, carries out hole with can pass through to the centre bore 15 of differential casing 10 thereon Inner support positions and fixed the hydraulic expanding core positioner 21 of workpiece;
Pneumatic tailstock 22, using cylinder thrust retractable, thereon with the rolling center 23 for top tight workpiece, institute The free end for stating rolling center 23 is taper, and the rolling center 23 is rotated with Pneumatic tailstock 22 and is connected, during work pieces process, activity Top 23 and workpiece rotate together;
First cutter (not shown), for cutting workpiece, it is connected on the first fuselage 20 by knife rest;
The differential casing internal gear, which installs spherical cambered surface lathe for machining 200, to be included:
Second fuselage 30;
Left unit head 31, for driving forming cutter 34 to rotate, there is the knife bar that can make left unit head 31 to make left and right feeding for it The knife bar feed arrangement of motion;
Right unit head 32, for driving forming cutter 34 to rotate, there is the knife bar that can make right unit head 32 to make left and right feeding for it The knife bar feed arrangement of motion, the right unit head 32 is symmetrical arranged with left unit head 31;
Positioning clamping device 38, positioning and fixation for workpiece;As shown in figure 11, the positioning clamping device 38 includes Alignment pin 38-1, the second locating shaft 38-2, hydraulic jack 38-3, manipulator 38-4 and supporting 38-5, the alignment pin 38-1, liquid Compressing cylinder 38-3 cylinder barrel, the second locating shaft 38-2 and supporting 38-5 are fixed on the second fuselage 30, the hydraulic jack 38-3 Piston rod top and manipulator 38-4 first end be hinged, the supporting 38-5 and manipulator 38-4 is hinged, the machine Tool hand 38-4 the second end is pressed on differential casing 10;
Tool changing device 50, for inserting in differential carrier body and being taken out out of differential carrier body by forming cutter 34;It is described to change Knife system 50 includes:
Slide rail 35, it is installed on the second fuselage 30;
Sliding block 36, it can horizontally slip under cylinder promotion along slide rail 35;
First tool changing cylinder 37, its cylinder barrel and the Joint of sliding block 36, the tool changing cylinder 37 is two, is arranged side by side;
Changing knife rod 50-2, its one end is connected with the piston rod of the first tool changing cylinder 37, and the other end is connected with forming cutter 34;
Second tool changing cylinder 50-1, its cylinder barrel and the Joint of the second fuselage 30, its piston rod are connected with sliding block 36.
When needing tool changing in process, processing stopping, first sliding block 36 are under the second tool changing cylinder 50-1 pulling force along slide rail 35 are moved to part tool change position, and one of changing knife rod 50-2 enters differential casing 10 under the thrust of the first tool changing cylinder 37 Neutralize forming cutter 34 to connect, two unit heads are retracted, and changing knife rod is exited with the forming cutter changed.At this moment sliding block is moved to down One tool change position, another changing knife rod with need to forming cutter protrude into part, two unit heads reaches, bar portion is stretched Go out, connected into part with forming cutter, changing knife rod and forming cutter disengaging are exited, and unit head drives forming cutter rotation, starts cutting Processing, whole motion flow is automatically performed by control system.
Alignment pin 38-1 and the second locating shaft 38-2 effect are to give part positioning, centering Working position, and part, which is put into, to be set After standby frock is positioned, stretched out by programme-control hydraulic jack 38-3 piston rod, manipulator 38-4 first end is moved up, machinery Hand 38-4 the second top moves down compressing component.After processing, hydraulic jack 38-3 piston rod is retracted, and the of manipulator 38-4 Two tops are moved up, and pressure head unclamps, and take out part.
It is preferred that, first cutter is two, and one is disposed in proximity at the left end of differential casing 10, and another sets At the right-hand member for being disposed adjacent to differential casing 10.
As shown in figure 5, traditional differential casing bearings at both ends installation position Excircle machining lathe process differential casing two Bowlder outside end bearing installation position, one end periphery of differential casing is clamped and using cutter to differential mechanism using scroll chuck 16 The bearing installation position of the other end of housing carries out turning around to carry out secondary clamping after Excircle machining, completion of processing, reprocesses the other end, In this way, one be can not be while processing two ends, efficiency is low;Two be that can cause the axiality and beating degree at two ends using this conventional method Precision is low, or even does not reach use requirement, and percent defective is high.
The differential casing bearings at both ends installation position Excircle machining lathe of the application is due to from differential casing 10 Positioned at heart hole 15 and the two ends of differential casing are carried out using two the first cutters being fixed on knife rest simultaneously to add Work, thus it is high in machining efficiency, and due to that need not be clamped again, the cylindrical time processing in bearings at both ends installation position of differential casing Complete, as long as therefore two the first cutters are fixed on knife rest, two the first cutters can synchro-feed, feeding simultaneously during processing Amount is identical, and this also ensures that the cylindrical axiality requirement in two bearings installation position.Herein it should be noted that the first cutter, The drive mechanism of knife rest and knife rest uses traditional stock-removing machine cutter and knife rest, unique the difference is that the first cutter For two and be fixed on different knife rests and two the first cutters mutually separate.
As shown in fig. 6, traditional differential casing internal gear installs spherical cambered surface lathe for machining (it is vertical machine) processing When differential casing internal gear installs spherical cambered surface, need first to stretch into knife bar in differential casing 10, differential casing 10 is used After fixture is fixed, forming cutter 34 is assembled manually on main shaft, knife bar is rotated, forming cutter 34 first installs ball to housing internal gear Cambered surface is processed, and lower spherical cambered surface is then installed to housing internal gear and is processed, therefore:First, efficiency is low;2nd, due to processing shell When internal gear installs spherical cambered surface under spherical cambered surface and the installation of housing internal gear, the brachium of knife bar is different, and amount of deflection is different, therefore processing Housing internal gear install spherical cambered surface position degree and symmetry tolerance it is big;3rd, people's frock knife tool changing is needed, it is laborious time-consuming, easily occur Security incident.
The differential casing internal gear of the application installs spherical cambered surface lathe for machining and utilizes left unit head 31 and right unit head 32 Link and spherical cambered surface progress processing simultaneously is installed to differential casing internal gear, and carried out certainly using tool changing device 50 and control system Dynamic dress knife and withdrawing, high in machining efficiency without artificial tool changing, the arbor stiffness of left unit head 31 and right unit head 32 is good, processing Stable accuracy, spherical cambered surface dimensional accuracy, position degree and symmetry tolerance are small.
As shown in Figure 10, it is preferred that the hydraulic expanding core positioner 21 includes:Lathe terminal pad 21-1, pull bar 21-2, First locating shaft 21-3, locking nut 21-4, oil cylinder pull bar 21-5, fixed disk 21-6, expansion sleeve 21-7 and pull bar meet disk 21-8, The lathe terminal pad 21-1, fixed disk 21-6 and the first locating shaft 21-3 be fixed in together and with the Joint of main shaft 24, it is described Oil cylinder pull bar 21-5 is slidably connected with lathe terminal pad 21-1, and the pull bar meets disk 21-8 and oil cylinder pull bar 21-5 is affixed, described Pull bar 21-2 connects that disk 21-8 is affixed with pull bar, and the locking nut 21-4 is threadedly connected to pull bar 21-2 right-hand member, the tensioner Set 21-7 is set on pull bar 21-2 and is located between the first locating shaft 21-3 and locking nut 21-4, outside the expansion sleeve 21-7 Footpath can be expanded or shunk, and the expansion sleeve 21-7 is located in the centre bore 15 of differential casing 10.
Wherein lathe terminal pad and fixed disk are connected with lathe, are served and are fixedly connected.First locating shaft positions for part, The centre bore 15 of differential casing, during work, is first put at the expansion sleeve of non-spreading, rolling center 23 holds out against difference by centering center The fast device housing other end, starting switch, oil cylinder effect, oil cylinder pull bar 21-5 drives and moved after pull bar 21-2, expansion sleeve 21-7 is risen Open, the centre bore 15 of stretching differential casing is positioned and clamped.At this moment start processing, after processing, start valve switch, oil cylinder Pull bar drives pull bar extension, and expansion sleeve retraction, rolling center 23 unclamps, and removes the part processed.
Utilize the method for above-mentioned differential casing Cutter Body Processing with Machining Center differential casing, it is characterised in that including following step Suddenly:
A) the semi-finished product differential casing 10 with centre bore 15 is got out;
B) the hydraulic expanding core positioner 21 of differential casing bearings at both ends installation position Excircle machining lathe 100 is through at difference In fast device housing left end centre bore 15, differential casing is lived with hand rest;
C) cylinder thrust makes the rolling center 23 of tailstock 22 peak in differential casing right-hand member centre bore 15, holds out against part, The hydraulic expanding core positioner spreading of differential casing left end is so as to position and clamp differential casing 10;
D) main shaft 24 is rotated using main driving device, feeds the first cutter, make two the first cutters simultaneously to differential carrier Body 10 is cut, and is shaped simultaneously so that differential casing bearings at both ends installation position is cylindrical;
E) differential casing after cutting is taken from differential casing bearings at both ends installation position Excircle machining lathe 100 Under, and differential casing is fixed on differential casing internal gear installation spherical cambered surface lathe for machining using positioning clamping device 38 On 200;
F) forming cutter 34 is respectively arranged on the changing knife rod 37 of tool changing device 50;
G) sliding block 36 is made to reach setting position using cylinder thrust;
H) forming cutter 34 is inserted in differential casing by differential carrier body side surface macropore 14 using changing knife rod 37, a left side is dynamic Power first 31 and right unit head 32 move forward, and knife bar is stretched into by differential carrier body side surface aperture 13 in differential carrier body and and shaping Knife 34 is connected, and then changing knife rod 37 and forming cutter, which depart from, exits;
I) lathe starts, and left unit head 31 and right unit head 32 drive the rotation processing differential casing internal gear of forming cutter 34 Spherical cambered surface is installed;
J) completion of processing, left unit head 31 and right unit head 32 rotation stops, and changing knife rod 37 protrudes into part and neutralized into Type knife 34 is connected;
K) knife bar and forming cutter of left unit head 31 and right unit head 32 depart from, and knife bar passes through differential carrier body side surface aperture 13 exit from housing, and changing knife rod 37 retracts original position with forming cutter 34, and positioning clamping device 38 unclamps differential casing 10, will The differential casing processed is installed from gear and removed on spherical cambered surface lathe for machining 200.
The application is easy to operate through scene processing part experiment.Machining accuracy is high, two ends concentricity tolerance after part processing In 0.03 millimeter of ¢, spherical cambered surface dimensional accuracy is at 0.05 millimeter, and position degree and symmetry tolerance are below 0.06 millimeter, symbol completely Close the requirement of part performance.After differential case assembly assembling vehicle, determined through many experiments, noise is small, pinion rotation spirit Living, transmission efficiency, service life is long.
The invention is not restricted to above-mentioned specific embodiment, all any change done based on the present invention or modification belong to this hair Bright claimed scope.

Claims (2)

1. a kind of differential casing machining center, it is characterised in that:It is main cylindrical by differential casing bearings at both ends installation position Lathe for machining (100), differential casing internal gear install spherical cambered surface lathe for machining (200) and control system composition;
The differential casing bearings at both ends installation position Excircle machining lathe (100) includes:
First fuselage (20);
Main shaft (24), for driving workpiece to rotate, thereon with can be carried out by centre bore (15) to differential casing (10) Hole inner support fixes the hydraulic expanding core positioner (21) of workpiece;
Pneumatic tailstock (22), thereon with the rolling center (23) for top tight workpiece, the free end of the rolling center (23) For taper, the rolling center (23) rotates with tailstock (22) and is connected;
First cutter, for cutting workpiece, it is connected on the first fuselage (20) by knife rest;
The differential casing internal gear, which installs spherical cambered surface lathe for machining (200), to be included:
Second fuselage (30);
Left unit head (31), for driving forming cutter (34) to rotate, there is the knife bar work left and right that can make left unit head (31) to enter for it Knife bar feed arrangement to motion;
Right unit head (32), for driving forming cutter (34) to rotate, there is the knife bar work left and right that can make right unit head (32) to enter for it To the knife bar feed arrangement of motion, the right unit head (31) is symmetrical arranged with left unit head (31);
Positioning clamping device (38), positioning and fixation for workpiece;The positioning clamping device (38) includes the alignment pin (38-1), the second locating shaft (38-2), hydraulic jack (38-3), manipulator (38-4) and supporting (38-5), the alignment pin (38-1), the cylinder barrel of hydraulic jack (38-3), the second locating shaft (38-2) and supporting (38-5) are fixed on the second fuselage (30), The top of the piston rod of the hydraulic jack (38-3) and the first end of manipulator (38-4) are hinged, the supporting (38-5) and machine Tool hand (38-4) is hinged, and the second end of the manipulator (38-4) is pressed on differential casing (10);
Tool changing device (50), for inserting in differential carrier body and being taken out out of differential carrier body by forming cutter (34);It is described to change Knife system (50) includes:
Slide rail (35), it is installed on the second fuselage (30);
Sliding block (36), it can horizontally slip under cylinder promotion along slide rail (35);
First tool changing cylinder (37), its cylinder barrel and sliding block (36) Joint, the tool changing cylinder (37) is two, is set side by side Put;
Changing knife rod (50-2), its one end is connected with the piston rod of the first tool changing cylinder (37), and the other end is connected with forming cutter (34) Connect;
Second tool changing cylinder (50-1), its cylinder barrel and the second fuselage (30) Joint, its piston rod are connected with sliding block (36).
2. a kind of differential casing machining center according to claim 1, it is characterised in that:First cutter is two, One is disposed in proximity at the left end of differential casing (10), and another is disposed in proximity at the right-hand member of differential casing (10), Two the first cutters are fixed on different knife rests.
CN201710279883.8A 2014-09-05 2014-09-05 A kind of differential casing machining center Active CN107127356B (en)

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Application Number Priority Date Filing Date Title
CN201710279883.8A CN107127356B (en) 2014-09-05 2014-09-05 A kind of differential casing machining center

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Application Number Priority Date Filing Date Title
CN201710279883.8A CN107127356B (en) 2014-09-05 2014-09-05 A kind of differential casing machining center
CN201410460520.0A CN104275495B (en) 2014-09-05 2014-09-05 Machining system and machining method of automobile differential shell

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CN201410460520.0A Division CN104275495B (en) 2014-09-05 2014-09-05 Machining system and machining method of automobile differential shell

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CN107127356A true CN107127356A (en) 2017-09-05
CN107127356B CN107127356B (en) 2019-01-11

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CN201410460520.0A Active CN104275495B (en) 2014-09-05 2014-09-05 Machining system and machining method of automobile differential shell
CN201710279881.9A Active CN107116234B (en) 2014-09-05 2014-09-05 A kind of processing method of differential casing
CN201710279824.0A Active CN106964789B (en) 2014-09-05 2014-09-05 A kind of system and processing method for processing automobile differential shell spherical cambered surface
CN201710279883.8A Active CN107127356B (en) 2014-09-05 2014-09-05 A kind of differential casing machining center

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CN201410460520.0A Active CN104275495B (en) 2014-09-05 2014-09-05 Machining system and machining method of automobile differential shell
CN201710279881.9A Active CN107116234B (en) 2014-09-05 2014-09-05 A kind of processing method of differential casing
CN201710279824.0A Active CN106964789B (en) 2014-09-05 2014-09-05 A kind of system and processing method for processing automobile differential shell spherical cambered surface

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN108296725A (en) * 2018-04-16 2018-07-20 杭州吉利机械有限公司 Split type differential casing internal expanding processing method

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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CN104708463A (en) * 2015-03-17 2015-06-17 青阳县鑫安特汽车零配件有限公司 Transverse hole machining device for automobile differential mechanism
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