CN103753158B - A kind of machining process of automobile axle driving gear - Google Patents

A kind of machining process of automobile axle driving gear Download PDF

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Publication number
CN103753158B
CN103753158B CN201310746720.8A CN201310746720A CN103753158B CN 103753158 B CN103753158 B CN 103753158B CN 201310746720 A CN201310746720 A CN 201310746720A CN 103753158 B CN103753158 B CN 103753158B
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CN
China
Prior art keywords
machining
claw
driving gear
clamp
floating slider
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.)
Active
Application number
CN201310746720.8A
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Chinese (zh)
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CN103753158A (en
Inventor
朱庆宇
高兴文
张学桥
伍益祥
熊晶玉
周祝道
张代华
李春涛
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.)
Jiangyou Taifu Machinery Manufacturing Co.,Ltd.
Original Assignee
SICHUAN JIANGYOU ZHONGHENG SPECIAL STEEL Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201310746720.8A priority Critical patent/CN103753158B/en
Publication of CN103753158A publication Critical patent/CN103753158A/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
    • 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

Abstract

The invention discloses the machining process of a kind of automobile axle driving gear, including: milling rough forging small end face;By rough forging two ends centering;Special floating clamp is used to process rough forging bar portion;Use scroll chuck clamping bar portion to process its head and large end face, the invention have the benefit that technique process is short;Use special floating clamp to overcome rough forging defect to obtain high-precision product and improve converted products qualification rate simultaneously;Equipment investment is low;Working (machining) efficiency is high;Without locating and machining benchmark, directly bar portion can be processed by clamping forge piece blank.

Description

A kind of machining process of automobile axle driving gear
Technical field
The present invention relates to automobile axle manufacture field, be specifically related to the machining process of a kind of automobile axle driving gear.
Background technology
Existing processing technique: milling small end face drilling small end centre bore scroll chuck folder benchmark scroll chuck clamping bar portion of big Excircle machining bar portion processing head and large end face scroll chuck press from both sides big Excircle machining bar portion scroll chuck clamping bar portion's drilling big end centre bore, existing use fixture is generally three-jaw self-centering chuck, and its claw is without relocation mechanism;The mismatch occurred in forging cannot be overcome eccentric and mold hot deformation causes the forging defects such as forging products circularity over tolerance;More cannot process as the axial workpiece of the automobile axle driving gear type belt conical surface, this technique process is long;Product quality cannot be ensured;Equipment investment is high;Working (machining) efficiency is low;Converted products qualification rate is low.
Summary of the invention
Instant invention overcomes prior art processes operation long;Product quality cannot be ensured;Equipment investment is high;Working (machining) efficiency is low;The low deficiency of converted products qualification rate, it is provided that the machining process of a kind of automobile axle driving gear.
The present invention is by the following technical solutions:
A kind of machining process of automobile axle driving gear, including:
Step 1, milling rough forging small end face;
Step 2, by rough forging two ends centering;
Step 3, uses special floating clamp to process rough forging bar portion;
Step 4, uses scroll chuck clamping bar portion to process its head and large end face.
This technique process is short;Use special floating clamp to overcome rough forging defect to obtain high-precision product and improve converted products qualification rate simultaneously;Equipment investment is low;Working (machining) efficiency is high;Without converted products positioning datum, directly bar portion can be processed by clamping forge piece blank.
Further technical scheme is, a kind of for automobile axle driving gear clamp dedicated for machining, including clamp body, centering it is provided with top in the middle part of described clamp body, before and after described centering is top up and down, four direction is connected by movable part claw box, it is provided with claw in described claw box, described movable part includes floating slider seat, described floating slider seat is provided with floating slider, the L back of the body it is connected with on described floating slider, the described L back of the body is connected with claw box, it is provided with fixing axle in the middle part of the described L back of the body, spring it is provided with the end of claw box junction and described L is carried on the back and is connected with clamp body shell by spring at the described L back of the body.
Claw box is connected with the slick and frivolous block that floats by the L back of the body and floating slider, when hydraulic push rod works, floating slider seat just can be promoted to move, drive floating slider to seesaw up and down simultaneously, L just can be driven unlucky dynamic simultaneously, it is provided with fixing axle in the middle part of the described L back of the body, the described L back of the body is provided with spring with the end of claw box junction and the described L back of the body is connected with clamp body shell by spring, it is easy to the motion of the L back of the body by the L back of the body is arranged to said structure, when L unlucky dynamic time claw box just can be driven to move up and down, so that claw motion promptly irregular rough forging reaches floating effect.
Further technical scheme is, described floating slider is provided with the first groove, and the described L back of the body is circular arc with the end of floating slider junction.
Further technical scheme is, the shape of described first groove surfaces matches with the end shape of the described L back of the body with floating slider junction.
Match to achieve with the end shape of floating slider junction by the first groove surfaces shape and the described L back of the body and be flexibly connected, easily facilitate L and carry on the back the motion on floating slider.
Further technical scheme is, described claw box is provided with the second groove, and is provided with and the projection of the second groove match in the end of the described L back of the body with claw box junction.
Further technical scheme is, is provided with cushion block between described claw box and described claw.
Further technical scheme is, described claw is provided with the conical surface, and the described conical surface forms angle with horizontal direction, and described angle is 20 degree.
Further technical scheme is, the top tip of described centering is 60 degree of conical surfaces.
Described claw is provided with the conical surface, the described conical surface forms angle with horizontal direction, described angle is 20 degree of angles, ensure that claw is when promptly forging blank surface, make forging blank stress point forever transmit to special fixture direction, make 60 degree of conical surfaces of forging blank centre bore tightly overlap with the special fixture top 60 degree of conical surfaces of centering.
Compared with prior art, the invention has the beneficial effects as follows:
Technique process is short;Use special floating clamp to overcome rough forging defect to obtain high-precision product and improve converted products qualification rate simultaneously;Put into low;Working (machining) efficiency is high;Without locating and machining benchmark, directly bar portion can be processed by clamping forge piece blank.
Accompanying drawing explanation
Fig. 1 is the structural representation of special fixture in automobile axle driving gear machining process of an embodiment of the present invention.
As it is shown in figure 1, wherein corresponding reference is entitled:
1 centering is top, 2 angles, 3 claws, 4 claw boxes, 5 pads, 6 springs, and 7 fix axle, and 8L carries on the back, 9 floating sliders, 10 clamp bodies, 11 floating slider seats.
Detailed description of the invention
The present invention is further elaborated below in conjunction with the accompanying drawings.
A kind of machining process of automobile axle driving gear, including:
Step 1, milling rough forging small end face;
Step 2, by rough forging two ends centering;
Step 3, uses special floating clamp to process rough forging bar portion;
Step 4, uses scroll chuck clamping bar portion to process its head and large end face.
As shown in Figure 1, a kind of for automobile axle driving gear machining special fixture, including clamp body 10, centering top 1 it is provided with in the middle part of described clamp body 10, before and after described centering top about 1, four direction is connected by movable part claw box 4, it is provided with claw 3 in described claw box 4, described movable part includes floating slider seat (11), described floating slider seat (11) is provided with floating slider 9, the L back of the body 8 it is connected with on described floating slider 9, the described L back of the body 8 is connected with claw box 4, it is provided with fixing axle 7 in the middle part of the described L back of the body 8, spring 6 it is provided with the end of claw box 4 junction and described L is carried on the back 8 and is connected with clamp body 10 shell by spring 6 at the described L back of the body 8.
According to one embodiment of present invention, described floating slider 9 is provided with the first groove, and the described L back of the body 8 is circular arc with the end of floating slider 9 junction, and the shape of described first groove surfaces matches with the end shape of the described L back of the body 8 with floating slider 9 junction.
According to one embodiment of present invention, described claw box 4 is provided with the second groove, and is provided with and the projection of the second groove match in the end of the described L back of the body 8 with claw box 4 junction.
According to one embodiment of present invention, being provided with cushion block 5 between described claw box 4 and described claw 3, described claw 3 is provided with the conical surface, and the described conical surface forms angle 2 with horizontal direction, and described angle 2 is 20 degree.
According to one embodiment of present invention, the tip of described centering top 1 is 60 degree of conical surfaces.
The work process of this special fixture is as follows:
nullFirst clamp body 10 is connected by adpting flange 14 is fixing with machine tool chief axis 15,Forging blank is fixed on the live centre 12 on tailstock tool 11 again and feels relieved between top 1,Then floating slider seat 11 is driven to work by the hydraulic pressure draw-bar 16 on machine tool chief axis 15,Promote floating slider 9 to work simultaneously,Can also seesaw the most up and down while the floating slider 9 Work Promote L back of the body 8 work,Reach the effect floated,The amount of floating of floating slider 9 is about 5mm,The L back of the body 8 work drives claw box 4 to move up and down,Until claw 3 clamps forging blank 13,Claw 3 is made to hold on to forging blank 13 in high-speed cutting,Reach converted products and meet prescription,The angle of claw 3 conical surface is 20 degree,Thus ensure that when claw 3 catches forging blank 13,Forging blank 13 stress is made to transmit to special fixture direction,The 60 degree of conical surfaces of forging blank 13 centre bore, 60 degree of conical surfaces tightly with centering top 1 are made to overlap.Thus reach product machining accuracy.
" embodiment ", " another embodiment ", " embodiment " spoken of in this manual, etc., refer to combine specific features, structure or feature that this embodiment describes and be included at least one embodiment that the application generality describes.The most multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, it is understood that combine any embodiment when describing a specific features, structure or feature, to be advocated is to combine other embodiments also to fall within the scope of the present invention to realize this feature, structure or feature.

Claims (5)

1. a machining process for automobile axle driving gear, including:
Step 1, milling rough forging small end face;
Step 2, by rough forging two ends centering;
Step 3, uses special floating clamp to process rough forging bar portion;
Step 4, uses scroll chuck clamping bar portion to process its head and large end face, special in described step 3 Floating clamp includes clamp body (10);Described clamp body (10) middle part is provided with centering top (1), Before and after described centering top (1) up and down, four direction is connected by movable part claw box (4), institute Being provided with claw (3) in stating claw box (4), described movable part includes floating slider seat (11), institute Stating floating slider seat (11) and be provided with floating slider (9), described floating slider (9) is upper to be flexibly connected Having L to carry on the back (8), the described L back of the body (8) is connected with claw box (4), and the described L back of the body (8) middle part is provided with Fixing axle (7), is provided with spring (6) in the end of the described L back of the body (8) with claw box (4) junction And the described L back of the body (8) is connected with clamp body (10) shell by spring (6), described claw (3) Being provided with the conical surface, the described conical surface forms angle (2) with horizontal direction, and described angle (2) is 20 degree, Cushion block (5) it is provided with between described claw box (4) and described claw (3).
The machining process of automobile axle driving gear the most according to claim 1, it is characterised in that:
Described floating slider (9) is provided with the first groove, and the described L back of the body (8) is connected with floating slider (9) The end at place is circular arc.
The machining process of automobile axle driving gear the most according to claim 2, it is characterised in that:
The shape of described first groove surfaces and the described L back of the body (8) and the end of floating slider (9) junction Mating shapes.
The machining process of automobile axle driving gear the most according to claim 1, it is characterised in that:
Described claw box (4) is provided with the second groove, and connects with claw box (4) at the described L back of the body (8) The end at the place of connecing is provided with and the projection of the second groove match.
The machining process of automobile axle driving gear the most according to claim 1, it is characterised in that:
The tip of described centering top (1) is 60 degree of conical surfaces.
CN201310746720.8A 2013-12-30 2013-12-30 A kind of machining process of automobile axle driving gear Active CN103753158B (en)

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Application Number Priority Date Filing Date Title
CN201310746720.8A CN103753158B (en) 2013-12-30 2013-12-30 A kind of machining process of automobile axle driving gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310746720.8A CN103753158B (en) 2013-12-30 2013-12-30 A kind of machining process of automobile axle driving gear

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CN103753158B true CN103753158B (en) 2016-08-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109483298A (en) * 2019-01-14 2019-03-19 香农工业设备制造南京有限公司 A kind of high stability gear-box applied to milling sample machine
CN110076359A (en) * 2019-05-24 2019-08-02 成都飞机工业(集团)有限责任公司 A kind of three top fixtures of undercarriage outer cylinder floating

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2154143Y (en) * 1993-04-08 1994-01-26 张凤鸣 Centre floating adapter socket
CN101961830A (en) * 2010-11-09 2011-02-02 许昌远东传动轴股份有限公司 Transmission shaft spline shaft metal processing technique
CN202684136U (en) * 2012-08-08 2013-01-23 陈德明 Chuck and machine tool
CN202984712U (en) * 2012-11-23 2013-06-12 宁夏长兴精密机械有限公司 Floating clamp for lathe
CN103286533A (en) * 2013-05-28 2013-09-11 重庆市首业机械制造有限公司 Processing technology for rear axle drive bevel gear
CN203317061U (en) * 2013-04-11 2013-12-04 徐州徐工液压件有限公司 Work fixture for machining profiled piston rod on numerical control machine work

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4915384B2 (en) * 2008-04-10 2012-04-11 トヨタ自動車株式会社 Method for manufacturing hollow gear

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2154143Y (en) * 1993-04-08 1994-01-26 张凤鸣 Centre floating adapter socket
CN101961830A (en) * 2010-11-09 2011-02-02 许昌远东传动轴股份有限公司 Transmission shaft spline shaft metal processing technique
CN202684136U (en) * 2012-08-08 2013-01-23 陈德明 Chuck and machine tool
CN202984712U (en) * 2012-11-23 2013-06-12 宁夏长兴精密机械有限公司 Floating clamp for lathe
CN203317061U (en) * 2013-04-11 2013-12-04 徐州徐工液压件有限公司 Work fixture for machining profiled piston rod on numerical control machine work
CN103286533A (en) * 2013-05-28 2013-09-11 重庆市首业机械制造有限公司 Processing technology for rear axle drive bevel gear

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Address after: 621000 group 3, Guangsheng village, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province

Patentee after: Jiangyou Taifu Machinery Manufacturing Co.,Ltd.

Address before: 621000 group 3, Guangsheng village, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province

Patentee before: SICHUAN JIANGYOU ZHONGHENG SPECIAL STEEL Co.,Ltd.

CP01 Change in the name or title of a patent holder