CN203679895U - Special fixture for machining of automobile rear axle driving gear - Google Patents
Special fixture for machining of automobile rear axle driving gear Download PDFInfo
- Publication number
- CN203679895U CN203679895U CN201320881551.4U CN201320881551U CN203679895U CN 203679895 U CN203679895 U CN 203679895U CN 201320881551 U CN201320881551 U CN 201320881551U CN 203679895 U CN203679895 U CN 203679895U
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- CN
- China
- Prior art keywords
- claw
- driving gear
- axle driving
- floating slider
- special fixture
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a special fixture for machining of an automobile rear axle driving gear. The special fixture for machining of the automobile rear axle driving gear comprises a fixture body, wherein the middle of the fixture body is provided with a centering tip; the centering tip is connected with a claw box in four directions from top to bottom and back to front through a moving part; a claw is arranged in the claw box; the moving part comprises a floating slider seat; a floating slider is arranged on the floating slider seat and is movably connected with L-shaped backs; the L-shaped backs are connected with the claw box; the middle part of each L-shaped back is provided with a fixed shaft; the end part of the junction of each L-shaped back and the claw box is provided with a spring through which the L-shaped back is connected with a shell of the fixture body. Forging defects of ultra poor forging roundness and the like caused by misplacement of die and eccentricity as well as die thermal deformation in forging in the prior art are overcome, even the problems that shaft parts with taper faces, like the automobile rear axle driving gear can not be machined, and the axial runout cannot reach precision after machining can be solved. The final machining precision of the product meets the technical requirements of the product quality.
Description
Technical field
The utility model relates to automobile axle driving gear machining operation, is specifically related to a kind of for automobile axle driving gear Special Fixture for Machining.
Background technology
After automobile axle driving gear in prior art (comprising all forging axle class parts with the conical surface) forges, use fixture to be generally three-jaw self-centering chuck, its claw is without relocation mechanism; Cannot overcome after the eccentric and mold hot of the mismatch that occurs in forging is out of shape and cause the forging defects such as forging circularity over tolerance; More cannot process the axial workpiece as the automobile axle driving gear type band conical surface, make axial runout cannot reach the precision after machining.In mechanical processing process, need to ensure by a lot of operations (processing positioning datum) machining accuracy and the product quality technical requirement that product is final.
Utility model content
The utility model has overcome after the eccentric and mold hot of mismatch that prior art occurs in forging is out of shape and has caused the forging defects such as forging circularity over tolerance; More cannot process the axial workpiece as the automobile axle driving gear type band conical surface, make axial runout cannot reach the precision after machining.Provide a kind of for automobile axle driving gear Special Fixture for Machining.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of for automobile axle driving gear machined special fixture, comprise clamp body, it is top that described clamp body middle part is provided with centering, in the top upper and lower front and back of described centering, four direction is connected with claw box by movable part, in described claw box, be provided with claw, described movable part comprises floating slider seat, described floating slider seat is provided with floating slider, on described floating slider, be connected with the L back of the body, the described L back of the body is connected with claw box, described L back of the body middle part is provided with fixed axis, be provided with spring and described L carries on the back and is connected with clamp body shell by spring in the described L back of the body and the end of claw box junction.
Claw box is connected with unsteady slick and frivolous block with floating slider by the L back of the body, in the time that hydraulic push rod is worked, just can promote the motion of floating slider seat drives floating slider to seesaw up and down simultaneously, just can drive L unlucky moving simultaneously, described L back of the body middle part is provided with fixed axis, 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, by being arranged to said structure, the L back of the body is convenient to the motion of the L back of the body, just can drive claw box to move up and down when L is unlucky when moving, thereby make claw motion firmly grasp irregular rough forging and reach 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 the first groove surfaces and the described L back of the body match with the end shape of floating slider junction.
Matching to have realized with the end shape of floating slider junction with the described L back of the body by the first groove surfaces shape is flexibly connected, and is more convenient to L and carries 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 the end of claw box junction the projection matching with the second groove at the described L back of the body.
Further technical scheme is, between described claw box and described claw, is provided with cushion block.
Further technical scheme is, described claw is provided with the conical surface, and the described conical surface and horizontal direction form angle, and described angle is 20 degree.
Further technical scheme is, the top tip of described centering is the 60 degree conical surfaces.
Described claw is provided with the conical surface, the described conical surface and horizontal direction form angle, described angle is 20 degree angles, ensure that claw is in the time that promptly forging blank is surperficial, make forging blank stress point forever to the transmission of special fixture direction, make forging blank centre bore 60 spend the conical surface tightly with special fixture feel relieved top 60 degree the conical surfaces overlap.
Compared with prior art, the beneficial effects of the utility model are:
Overcome the eccentric forging defect that waits of the mismatch occurring during prior art is forged; More cannot process the deficiency that cannot reach the precision after machining as the axial workpiece concentricity of the automobile axle driving gear type band conical surface, make the final machining accuracy of product reach requirement.
Brief description of the drawings
Fig. 1 is the structural representation for automobile axle driving gear machined special fixture of a kind of embodiment of the utility model.
As shown in Figure 1, wherein the Reference numeral name of correspondence is called:
1 centering is top, 2 angles, 3 claws, 4 claw boxes, 5 pads, 6 springs, 7 fixed axis, the 8L back of the body, 9 floating sliders, 10 clamp bodies, 11 floating slider seats.
Fig. 2 is the structural representation for automobile axle driving gear machined special fixture duty of a kind of embodiment of the utility model.
As shown in Figure 2, wherein the Reference numeral name of correspondence is called:
12 tailstock tools, 13 live centres, 14 rough forgings, 15 adpting flanges, 16 machine tool chief axis, 17 hydraulic pressure draw-bars.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further elaborated.
A kind of for automobile axle driving gear machined special fixture, comprise clamp body 10, described clamp body 10 middle parts are provided with centering top 1, described centering top Shang Xia 1 before and after four direction be connected with claw box 4 by movable part, in described claw box 4, be provided with claw 3, described movable part comprises floating slider seat 11, described floating slider seat 11 is provided with floating slider 9, on described floating slider 9, be connected with the L back of the body 8, the described L back of the body 8 is connected with claw box 4, described L carries on the back 8 middle parts and is provided with fixed axis 7, it carrying on the back 8 at described L, and the end of claw box 4 junctions is provided with spring 6 and the described L back of the body 8 is connected with clamp body 10 shells by spring 6.
According to an embodiment of the present utility model, described floating slider 9 is provided with the first groove, the described L back of the body 8 is circular arc with the end of floating slider 9 junctions, and the shape of described the first groove surfaces and the described L back of the body 8 match with the end shape of floating slider 9 junctions.
According to an embodiment of the present utility model, described claw box 4 is provided with the second groove, and is provided with the end of claw box 4 junctions the projection matching with the second groove at the described L back of the body 8.
According to an embodiment of the present utility model, between described claw box 4 and described claw 3, be provided with cushion block 5, described claw 3 is provided with the conical surface, and the described conical surface and horizontal direction form angle 2, and described angle 2 is 20 degree.
According to an embodiment of the present utility model, the tip of described centering top 1 is the 60 degree conical surfaces.
The course of work of the present utility model is as follows:
" embodiment ", " another embodiment ", " embodiment " that spoken of in this manual, etc., refer to specific features, structure or the feature described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In description, multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is to realize this feature, structure or feature in conjunction with other embodiment also to drop in scope of the present utility model.
Although utility model is described with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiments, within these amendments and embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (7)
1. for an automobile axle driving gear machined special fixture, comprise clamp body (10), it is characterized in that: described clamp body (10) middle part is provided with centering top (1), before and after described centering top (1) is upper and lower, four direction is connected with claw box (4) by movable part, in described claw box (4), be provided with claw (3), described movable part comprises floating slider seat (11), described floating slider seat (11) is provided with floating slider (9), on described floating slider (9), be connected with the L back of the body (8), the described L back of the body (8) is connected with claw box (4), the described L back of the body (8) middle part is provided with fixed axis (7), it carrying on the back (8) at described L, and the end of claw box (4) junction is provided with spring (6) and the described L back of the body (8) is connected with clamp body (10) shell by spring (6).
2. according to claim 1 for automobile axle driving gear machined special fixture, it is characterized in that: described floating slider (9) is provided with the first groove, the described L back of the body (8) is circular arc with the end of floating slider (9) junction.
3. according to claim 2 for automobile axle driving gear machined special fixture, it is characterized in that: the shape of described the first groove surfaces and the described L back of the body (8) match with the end shape of floating slider (9) junction.
4. according to claim 1 for automobile axle driving gear machined special fixture, it is characterized in that: described claw box (4) is provided with the second groove, and be provided with in the described L back of the body (8) and the end of claw box (4) junction the projection matching with the second groove.
5. according to claim 1 for automobile axle driving gear machined special fixture, it is characterized in that: between described claw box (4) and described claw (3), be provided with cushion block (5).
6. according to claim 1 or 5 for automobile axle driving gear machined special fixture, it is characterized in that: described claw (3) is provided with the conical surface, the described conical surface and horizontal direction form angle (2), and described angle (2) is 20 degree.
7. according to claim 1 for automobile axle driving gear machined special fixture, it is characterized in that: the tip of described centering top (1) is the 60 degree conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881551.4U CN203679895U (en) | 2013-12-30 | 2013-12-30 | Special fixture for machining of automobile rear axle driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881551.4U CN203679895U (en) | 2013-12-30 | 2013-12-30 | Special fixture for machining of automobile rear axle driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679895U true CN203679895U (en) | 2014-07-02 |
Family
ID=51001854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881551.4U Withdrawn - After Issue CN203679895U (en) | 2013-12-30 | 2013-12-30 | Special fixture for machining of automobile rear axle driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679895U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737406A (en) * | 2013-12-30 | 2014-04-23 | 四川江油中恒特钢有限公司 | Special machining fixture for driving gear of rear axle of automobile |
| CN104551067A (en) * | 2015-01-07 | 2015-04-29 | 池州共康汽车零部件有限公司 | Turning clamping device with floating tip |
| CN104588711A (en) * | 2015-01-09 | 2015-05-06 | 池州共康汽车零部件有限公司 | Floating hydraulic clamping chuck for vehicle |
| CN106670589A (en) * | 2017-01-03 | 2017-05-17 | 东莞理工学院 | Gear cutting machine on gear shaft integrated piece |
| CN108296797A (en) * | 2017-12-29 | 2018-07-20 | 南京嘉玺数控科技有限公司 | A kind of boring and milling machine special equipment of processing new-energy automobile rear axle |
-
2013
- 2013-12-30 CN CN201320881551.4U patent/CN203679895U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737406A (en) * | 2013-12-30 | 2014-04-23 | 四川江油中恒特钢有限公司 | Special machining fixture for driving gear of rear axle of automobile |
| CN103737406B (en) * | 2013-12-30 | 2016-03-23 | 四川江油中恒特钢有限公司 | For automobile axle driving gear clamp dedicated for machining |
| CN104551067A (en) * | 2015-01-07 | 2015-04-29 | 池州共康汽车零部件有限公司 | Turning clamping device with floating tip |
| CN104588711A (en) * | 2015-01-09 | 2015-05-06 | 池州共康汽车零部件有限公司 | Floating hydraulic clamping chuck for vehicle |
| CN106670589A (en) * | 2017-01-03 | 2017-05-17 | 东莞理工学院 | Gear cutting machine on gear shaft integrated piece |
| CN106670589B (en) * | 2017-01-03 | 2018-08-14 | 东莞理工学院 | A kind of gear generator on tooth shaft integral piece |
| CN108296797A (en) * | 2017-12-29 | 2018-07-20 | 南京嘉玺数控科技有限公司 | A kind of boring and milling machine special equipment of processing new-energy automobile rear axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |