CN106862971A - A kind of processing method of eccentric shaft part - Google Patents
A kind of processing method of eccentric shaft part Download PDFInfo
- Publication number
- CN106862971A CN106862971A CN201710092033.7A CN201710092033A CN106862971A CN 106862971 A CN106862971 A CN 106862971A CN 201710092033 A CN201710092033 A CN 201710092033A CN 106862971 A CN106862971 A CN 106862971A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- processed
- eccentric shaft
- shaft part
- processing method
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention provides a kind of processing method of eccentric shaft part, it uses a chuck for clamping the raw pieces of workpiece to be processed, an excentric sleeve is provided with the claw of wherein described chuck, automatic tightening and the workpiece to be processed housed in its can be clamped after the clamping force of the chuck jaws that wherein described excentric sleeve is subject to, and at the other end of the workpiece to be processed top top biasing eccentric orfice.The cylindrical center line of the wherein described excentric sleeve center line cylindrical with the workpiece to be processed small end is coaxial, the center line of its endoporus cylindrical center line cylindrical with the big end of the workpiece to be processed is coaxial, and then the eccentric excircle of workpiece to be processed described in turnery processing is to preliminary dimension.
Description
Technical field
The invention belongs to metalwork manufacture field, especially, the processing method of the eccentric shaft part being directed to.
Background technology
, it is known that eccentric part, there is two center lines on its appearance structure, and the two center lines are parallel to each other without weight
Close, wherein common eccentric part is generally axle class formation part.
Eccentric shaft, as its name, its center is not at the center of axis.General axial workpiece, can only band
Start building part rotation.And eccentric shaft, rotation can be not only transmitted, while revolution can also be transmitted.Conventional eccentric shaft is generally by inclined
Heart hole is connected with electric machine rotational axis, in electric motor starting, does cam motion, therefore be widely used on automobile, engine, pump
Etc..
But, exactly because also this structure type of eccentric shaft so that its processing is got up also relative to general axle class zero
Part is difficult.But because it is used extensively, and function is important, also cause that industry develops various processing methods to add it
Work.
For example, it is common, grab chuck using scroll chuck or four and clamp raw material, then carrying out cutting using lathe adds
Work.Specifically, it first not being that eccentric part Excircle machining is good in part then by calculating, can add appropriate size
Pad, carry out the processing of eccentric part.
This processing method, then during being embodied, with claimed below：
1st, the skilled worker being processed is required higher, it is desirable to have more processing experience；
2nd, measurer is repeatedly needed to use, the Working position of horizontal and vertical directions is corrected；
In this way, it is higher also to allow for the eccentric shaft part precision that it processes, but likewise, processing efficiency is just more low.And
In actually used, some eccentric shaft parts, the machining accuracy that it simultaneously need not be too high is on the contrary to need processing higher to imitate
Rate, so as to reduce its production cost.
Therefore, it is necessory to of the prior art to overcome to develop a kind of processing method of new eccentric shaft part
Defect.
The content of the invention
It is an object of the invention to provide a kind of processing method of eccentric shaft part, its is simple to operate, and processing efficiency is relative
It is higher；The crudy of its eccentric shaft part for processing, high yield rate are also ensured simultaneously.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of processing method of eccentric shaft part, it uses a chuck for clamping the raw pieces of workpiece to be processed, wherein institute
State and be provided with the claw of chuck an excentric sleeve, wherein can be from after the clamping force of chuck jaws that is subject to of the excentric sleeve
It is dynamic to tighten up and clamp the workpiece to be processed housed in it, and the bias that top top biases at the other end of the workpiece to be processed
Hole.The cylindrical center line of the wherein described excentric sleeve center line cylindrical with the workpiece to be processed small end is coaxial, its endoporus
The center line cylindrical center line cylindrical with the big end of the workpiece to be processed is coaxial, and then workpiece to be processed described in turnery processing is inclined
The heart is cylindrical to preliminary dimension.
Further, in different embodiments, wherein being provided with groove in the axial direction on the eccentric bushing is cylindrical, it is used for
Make the excentric sleeve by automatic tightening after the clamping force of chuck jaws and clamp workpiece.
Further, in different embodiments, wherein the size of the groove on the eccentric bushing is cylindrical for 0.5 ~
3mm。
Further, in different embodiments, wherein the size of the groove on the eccentric bushing is cylindrical for 1.5 ~
2mm。
Further, in different embodiments, wherein being additionally provided with the endoporus of the excentric sleeve from centering swelling
Set, the workpiece to be processed passes through described from endoporus of the centering expansion sleeve swelling in the excentric sleeve, then will be described inclined
Spindle sleeve is clamped in the chuck.
Further, in different embodiments, wherein the chuck includes that three-jaw self-centering chuck or four paws are made by oneself
One kind in heart chuck.
Further, in different embodiments, wherein when being processed to the workpiece to be processed, its elder generation is from rough turn
Processing starts, and is then carrying out finishing processing.
Further, in different embodiments, wherein it is described it is rough turn during, its allowance be 0.5 ~ 2mm.
Further, in different embodiments, wherein when being processed to the workpiece to be processed, its elder generation is auxiliary from its
Positioning reference plane is helped to start processing.
A kind of processing method of the eccentric shaft part provided relative to prior art, the present invention, it uses the fixture of innovation
Combine to carry out clamping when eccentric shaft part is processed so that its subsequent machining operations is relatively simple, although machining accuracy is relative
It is relatively low, but its crudy reliability, high yield rate, the processing efficiency of the eccentric shaft part not high for required precision is improve,
Make it have preferable production and application prospect.
Specific embodiment
Below with reference to embodiment, a kind of technical scheme of the processing method of eccentric shaft part of the present invention is made into
The detailed description of one step.
An embodiment of the invention provides a kind of processing method of eccentric shaft part, and it uses the chuck to be used for
The raw pieces of workpiece to be processed are clamped, wherein an excentric sleeve is provided with the claw of the chuck, wherein the eccentric shaft
Automatic tightening is understood after the clamping force of the chuck jaws that set is subject to and the workpiece to be processed housed in its is clamped, and described to be processed
The eccentric orfice of top top biasing at the other end of workpiece.
Further, the clamping for the excentric sleeve to workpiece to be processed in the inner, the invention provides two kinds of folders
Hold mode.
Mode one：
Groove is set in the axial direction on wherein described eccentric bushing is cylindrical, for making the excentric sleeve be pressed from both sides by chuck jaws
Automatic tightening and workpiece is clamped after clamp force.The size of wherein described groove is 0.5 ~ 3mm, it is preferred that be 1.5 ~ 2mm.
Mode two：
It is additionally provided with the endoporus of wherein described excentric sleeve from centering expansion sleeve, the workpiece to be processed is by described from centering
Then be clamped in the excentric sleeve in the chuck by expansion sleeve swelling in the endoporus of the excentric sleeve.
After completing clamping, wherein the cylindrical center line of the excentric sleeve center cylindrical with the workpiece to be processed small end
Line is coaxial, and the center line of its endoporus cylindrical center line cylindrical with the big end of the workpiece to be processed is coaxial, then turnery processing institute
State the eccentric excircle of workpiece to be processed to preliminary dimension.
Further, in different embodiments, wherein when being processed to the workpiece to be processed, its elder generation is from rough turn
Processing starts, and is then carrying out finishing processing.Wherein it is described it is rough turn during, its allowance be 0.5 ~ 2mm.
Further, in different embodiments, wherein when being processed to the workpiece to be processed, its elder generation is auxiliary from its
Help positioning reference plane to start processing, then carry out the processing of other positions.
Further, in different embodiments, wherein the chuck includes that three-jaw self-centering chuck or four paws are made by oneself
One kind in heart chuck.
Further, due to method of the present invention, the eccentric shaft part of applicable sizes and profile, and these
Eccentric shaft structure profile is relatively conventional, therefore, illustrative is omitted in this specification and is illustrated.
A kind of processing method of eccentric shaft part that the present invention is provided, it uses the fixture combination of innovation to carry out bias
Clamping when axle part is processed so that its subsequent machining operations is relatively simple, although machining accuracy is relatively low, but its processing matter
Amount is reliable, and high yield rate improves the processing efficiency of the eccentric shaft part not high for required precision, makes it have preferable life
Produce prospect of the application.
Technical scope of the invention is not limited solely to the content in described above, and those skilled in the art can not take off
On the premise of the technology of the present invention thought, many variations and modifications are carried out to above-described embodiment, and these deformations and modification all should
When being within the scope of the present invention.
Claims (9)
1. a kind of processing method of eccentric shaft part；Characterized in that, it uses a chuck for clamping workpiece to be processed
Raw pieces, wherein an excentric sleeve is provided with the claw of the chuck, wherein the chuck jaws that the excentric sleeve is subject to
Clamping force after automatic tightening and the workpiece to be processed housed in its can be clamped, and pushed up at the other end of the workpiece to be processed
The eccentric orfice of pinnacle biasing；
The cylindrical center line of the wherein described excentric sleeve center line cylindrical with the workpiece to be processed small end is coaxial, its endoporus
The center line cylindrical center line cylindrical with the big end of the workpiece to be processed is coaxial, and then workpiece to be processed described in turnery processing is inclined
The heart is cylindrical to preliminary dimension.
2. the processing method of a kind of eccentric shaft part according to claim 1；Characterized in that, outside wherein described eccentric bushing
Groove is provided with circle in the axial direction, for making the excentric sleeve automatic tightening and be clamped after being subject to the clamping force of chuck jaws
Workpiece.
3. the processing method of a kind of eccentric shaft part according to claim 2；Characterized in that, outside wherein described eccentric bushing
The size of the groove on circle is 0.5 ~ 3mm.
4. the processing method of a kind of eccentric shaft part according to claim 3；Characterized in that, outside wherein described eccentric bushing
The size of the groove on circle is 1.5 ~ 2mm.
5. the processing method of a kind of eccentric shaft part according to claim 1；Characterized in that, wherein described excentric sleeve
Endoporus in be additionally provided with from centering expansion sleeve, the workpiece to be processed by it is described from the swelling of centering expansion sleeve in the bias
In the endoporus of axle sleeve, then the excentric sleeve is clamped in the chuck.
6. the processing method of a kind of eccentric shaft part according to claim 1；Characterized in that, wherein described chuck includes
One kind in three-jaw self-centering chuck or four paws self-centering chuck.
7. the processing method of a kind of eccentric shaft part according to claim 1；Characterized in that, wherein to described to be added
When work workpiece is processed, then its elder generation is carrying out finishing processing since rough turn processing.
8. the processing method of a kind of eccentric shaft part according to claim 7；Characterized in that, wherein described rough turn process
In, its allowance is 0.5 ~ 2mm.
9. the processing method of a kind of eccentric shaft part according to claim 1；Characterized in that, wherein to described to be added
When work workpiece is processed, its elder generation processes since its auxiliary positioning datum level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092033.7A CN106862971A (en) | 2017-02-21 | 2017-02-21 | A kind of processing method of eccentric shaft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092033.7A CN106862971A (en) | 2017-02-21 | 2017-02-21 | A kind of processing method of eccentric shaft part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106862971A true CN106862971A (en) | 2017-06-20 |
Family
ID=59166672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092033.7A Pending CN106862971A (en) | 2017-02-21 | 2017-02-21 | A kind of processing method of eccentric shaft part |
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| Country | Link |
|---|---|
| CN (1) | CN106862971A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891256A (en) * | 2017-11-23 | 2018-04-10 | 江阴市永兴机械制造有限公司 | A kind of processing method of the eccentric splined shaft of high accuracy |
| CN112247624A (en) * | 2020-10-19 | 2021-01-22 | 抚州申铃汽车配件有限责任公司 | Machining process and clamp for eccentric shaft head assembly of automobile rear axle housing assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186390Y (en) * | 2008-02-29 | 2009-01-28 | 河南省西峡汽车水泵股份有限公司 | Eccentric jig |
| CN201338202Y (en) * | 2008-12-31 | 2009-11-04 | 苏州勤美达精密机械有限公司 | Double eccentric crankshaft holding fixture |
| CN201511254U (en) * | 2009-09-25 | 2010-06-23 | 上海电机学院 | Clamp special for turning eccentric shaft parts |
| CN101905425A (en) * | 2010-08-03 | 2010-12-08 | 浙江德尔威工程机械设备有限公司 | Clamp special for eccentric crankshaft and method for using same |
| CN202640132U (en) * | 2012-04-10 | 2013-01-02 | 苏州唐峰金属制品有限公司 | Clamp for grinding eccentric inner hole |
| CN203254209U (en) * | 2013-05-17 | 2013-10-30 | 台州中际汽车零部件有限公司 | Eccentric rotating crankshaft fixture |
| CN204053149U (en) * | 2014-08-26 | 2014-12-31 | 河南蒲瑞精密机械有限公司 | Workpiece centering clamping device |
| CN204893529U (en) * | 2015-08-07 | 2015-12-23 | 陕西誉邦科技有限公司 | Eccentric anchor clamps of lathe |
-
2017
- 2017-02-21 CN CN201710092033.7A patent/CN106862971A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186390Y (en) * | 2008-02-29 | 2009-01-28 | 河南省西峡汽车水泵股份有限公司 | Eccentric jig |
| CN201338202Y (en) * | 2008-12-31 | 2009-11-04 | 苏州勤美达精密机械有限公司 | Double eccentric crankshaft holding fixture |
| CN201511254U (en) * | 2009-09-25 | 2010-06-23 | 上海电机学院 | Clamp special for turning eccentric shaft parts |
| CN101905425A (en) * | 2010-08-03 | 2010-12-08 | 浙江德尔威工程机械设备有限公司 | Clamp special for eccentric crankshaft and method for using same |
| CN202640132U (en) * | 2012-04-10 | 2013-01-02 | 苏州唐峰金属制品有限公司 | Clamp for grinding eccentric inner hole |
| CN203254209U (en) * | 2013-05-17 | 2013-10-30 | 台州中际汽车零部件有限公司 | Eccentric rotating crankshaft fixture |
| CN204053149U (en) * | 2014-08-26 | 2014-12-31 | 河南蒲瑞精密机械有限公司 | Workpiece centering clamping device |
| CN204893529U (en) * | 2015-08-07 | 2015-12-23 | 陕西誉邦科技有限公司 | Eccentric anchor clamps of lathe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891256A (en) * | 2017-11-23 | 2018-04-10 | 江阴市永兴机械制造有限公司 | A kind of processing method of the eccentric splined shaft of high accuracy |
| CN107891256B (en) * | 2017-11-23 | 2019-04-16 | 江阴市永兴机械制造有限公司 | A kind of processing method of high-precision bias splined shaft |
| CN112247624A (en) * | 2020-10-19 | 2021-01-22 | 抚州申铃汽车配件有限责任公司 | Machining process and clamp for eccentric shaft head assembly of automobile rear axle housing assembly |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |
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| WD01 | Invention patent application deemed withdrawn after publication |