CN102490032A - Special fixture for processing eccentric ends of eccentric shafts - Google Patents
Special fixture for processing eccentric ends of eccentric shafts Download PDFInfo
- Publication number
- CN102490032A CN102490032A CN2011103799991A CN201110379999A CN102490032A CN 102490032 A CN102490032 A CN 102490032A CN 2011103799991 A CN2011103799991 A CN 2011103799991A CN 201110379999 A CN201110379999 A CN 201110379999A CN 102490032 A CN102490032 A CN 102490032A
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- main body
- eccentric
- special fixture
- fixture
- chuck portion
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Abstract
The invention discloses a special fixture for processing eccentric ends of eccentric shafts, which comprises a fixture main body. A location shaft is arranged on the fixture main body, and a location pin is arranged on one side of the location shaft. The special fixture further comprises a clamping main body, wherein the clamp main body comprises a support portion and an elastic chuck portion which are integrated. The support portion is fixed on the fixture main body through a fastening screw, the location shaft is nested on the elastic chuck portion, a thread structure is positioned on the elastic chuck portion, and a conical chuck nut is screwed at the elastic chuck portion through the thread structure. The chuck portion of the special fixture is in contact with the outer diameter of a part in large area, thereby improving rigidity of the part in processing, cutting in large penetration, and improving labor efficiency. The location shaft and the location pin don't bear cutting force, thereby being not prone to deform. Products are stable in quality.
Description
Technical field
The invention belongs to eccentric Machining of Shaft-type Parts field, concrete relate to a kind of special fixture that is used for secondary process.
Background technology
Eccentric axial workpiece uses comparatively extensive in industrial sewing machine, and large usage quantity.How to improve the efficient of car eccentric end, and the percentage of A-class goods, practice thrift cost, be the target that each technology personnel is pursued.
The processing technology of this type of part is that the disposable car of numerical control car goes out external diameter and can guarantee the parallel and axiality of two sizes with its coaxial hole; Be positioned at the hole that utilizes brill mill cover brill left end face with the hole; Utilize the location by anchor clamps at lathe get on the bus right-hand axis and end face, be positioned at the hole of processing circular direction on the drilling machine.
Referring to shown in Figure 1; Its implementation procedure is following in the prior art: part is through hole and being filled on the jig main body Zhang Xin and cooperating of alignment pin on the jig main body; The pivot of eccentric part and the pivot of jig main body are overlapped; Through opening in-core portion screw thread tensioning part, jig main body is filled to the lathe three-jaw clamps the car eccentric part.
Its shortcoming is: because the eccentric part surplus is inhomogeneous, cause Cutting Force unbalanced, it is bigger that alignment pin and Zhang Xin bear strength, is prone to cause alignment pin and a chip bending or a skew, causes offset to change, and the depth of parallelism in eccentric shaft and hole can't guarantee; Prevent its rotation because of it fixedly only depends on a core tensioning and alignment pin, poor rigidity causes and can not adopt big bite to cut, and efficiency can not improve.
Summary of the invention
For overcoming deficiency of the prior art; The object of the present invention is to provide a kind of special fixture that is used to process eccentric shaft class eccentric end, this special fixture contacts with part external diameter large tracts of land, makes part rigidity in process improve; Can carry out the cutting of full depth amount, efficiency improves.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention realizes through following technical scheme:
A kind of special fixture that is used to process eccentric shaft class eccentric end; Comprise a jig main body, said jig main body is provided with a locating shaft, and a side of said locating shaft is provided with an alignment pin; It also comprises a clamping main body; Said clamping main body comprises support section and the collet part that is wholely set, and said support section is fixed on the said jig main body through trip bolt, the nested said locating shaft of said collet part; And said collet partly is provided with helicitic texture, and the chuck nut of a band tapering revolves through said helicitic texture and is located on the said collet part.
Further, said collet is partly gone up and is axially offered the several expansion groove.
To add the course of work in man-hour following carrying out eccentric shaft class eccentric end through special fixture of the present invention:
Part is through hole and being filled on the said jig main body locating shaft and cooperating of said alignment pin on the said jig main body; The pivot of eccentric part and the pivot of jig main body are overlapped, cooperate with the screw thread rotation of the collet segment of band tapering, utilize the nut tapering through the chuck nut of being with tapering; The telescopic chute of chuck tapering and chuck portion; Clamp the big external diameter of part to collet bore, then jig main body is filled to the lathe three-jaw and clamps the car eccentric part.
Compared with prior art, advantage of the present invention is that collet segment contacts with part external diameter large tracts of land, makes part rigidity in process improve, and can carry out the cutting of full depth amount, the efficiency raising; Locating shaft and alignment pin do not bear cutting force, are difficult for deforming constant product quality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. detailed description.The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the cutaway view of clamp structure in the prior art.
Fig. 2 is a side sketch map that is used to process the special fixture of eccentric shaft class eccentric end of the present invention.
Fig. 3 is the sketch map of the opposite side of the special fixture of Fig. 2 announcement.
Label declaration among the figure: 1, jig main body, 2, locating shaft, 3, alignment pin, 4, chuck nut, 5, the collet part, 501, telescopic chute, 6, clamping main body, 7, trip bolt.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Referring to Fig. 2, shown in Figure 3,
A kind of special fixture that is used to process eccentric shaft class eccentric end; Comprise a jig main body, said jig main body 1 is provided with a locating shaft 2, and a side of said locating shaft 2 is provided with an alignment pin 3; Also comprise a clamping main body 6; Said clamping main body 6 comprises support section and the collet part 5 that is wholely set, and said support section is fixed on the said jig main body 1 through trip bolt 7, said collet part 5 nested said locating shafts 2; And said collet part 5 is provided with helicitic texture, and the chuck nut 4 of a band tapering revolves through said helicitic texture and is located on the said collet part 5.
Further, axially offer several expansion groove 501 on the said collet part 5.
The above is merely preferred case study on implementation of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. special fixture that is used to process eccentric shaft class eccentric end; Comprise a jig main body (1); Said jig main body (1) is provided with a locating shaft (2); One side of said locating shaft (2) is provided with an alignment pin (3), it is characterized in that: also comprise a clamping main body (6), said clamping main body (6) comprises support section and the collet part (5) that is wholely set; Said support section is fixed on the said jig main body (1) through trip bolt (7); Said collet part (5) nested said locating shafts (2), and said collet part (5) is provided with helicitic texture, the chuck nut (4) of a band tapering revolves through said helicitic texture and is located on the said collet part (5).
2. the special fixture that is used to process eccentric shaft class eccentric end according to claim 1 is characterized in that: axially offer several expansion groove (501) on the said collet part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103799991A CN102490032A (en) | 2011-11-25 | 2011-11-25 | Special fixture for processing eccentric ends of eccentric shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103799991A CN102490032A (en) | 2011-11-25 | 2011-11-25 | Special fixture for processing eccentric ends of eccentric shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102490032A true CN102490032A (en) | 2012-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103799991A Pending CN102490032A (en) | 2011-11-25 | 2011-11-25 | Special fixture for processing eccentric ends of eccentric shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102490032A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406775A (en) * | 2013-07-16 | 2013-11-27 | 浙江三和机电科技有限公司 | Clamping tool for machining eccentric shafts |
| CN104550525A (en) * | 2015-01-20 | 2015-04-29 | 优德精密工业（昆山）股份有限公司 | Resetting chuck of high-precision die and processing method thereof |
| CN107378769A (en) * | 2017-08-28 | 2017-11-24 | 苏州洲洋精密机械科技有限公司 | A kind of fixture for being used to be ground eccentric shaft cover parts eccentric end external diameter |
| CN115026325A (en) * | 2022-07-29 | 2022-09-09 | 常州机电职业技术学院 | Rough turning eccentric hole clamp of eccentric wheel |
| CN115319511A (en) * | 2022-04-22 | 2022-11-11 | 成都飞机工业（集团）有限责任公司 | Turning device and turning method for eccentric part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0493102A (en) * | 1990-08-03 | 1992-03-25 | Mazda Motor Corp | Cutting device |
| CN2803613Y (en) * | 2004-10-29 | 2006-08-09 | 中原工学院 | Offset regulatable clamp |
| 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 |
| CN201208703Y (en) * | 2008-05-20 | 2009-03-18 | 南京数控机床有限公司 | Automobile clamper |
| CN201815888U (en) * | 2010-09-01 | 2011-05-04 | 武汉泛洲中越合金有限公司 | Quick change fixture of automatic line machining tool |
| CN202411428U (en) * | 2011-11-25 | 2012-09-05 | 江苏万工科技集团有限公司 | Special fixture for processing eccentric end of eccentric shaft |
-
2011
- 2011-11-25 CN CN2011103799991A patent/CN102490032A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0493102A (en) * | 1990-08-03 | 1992-03-25 | Mazda Motor Corp | Cutting device |
| CN2803613Y (en) * | 2004-10-29 | 2006-08-09 | 中原工学院 | Offset regulatable clamp |
| 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 |
| CN201208703Y (en) * | 2008-05-20 | 2009-03-18 | 南京数控机床有限公司 | Automobile clamper |
| CN201815888U (en) * | 2010-09-01 | 2011-05-04 | 武汉泛洲中越合金有限公司 | Quick change fixture of automatic line machining tool |
| CN202411428U (en) * | 2011-11-25 | 2012-09-05 | 江苏万工科技集团有限公司 | Special fixture for processing eccentric end of eccentric shaft |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406775A (en) * | 2013-07-16 | 2013-11-27 | 浙江三和机电科技有限公司 | Clamping tool for machining eccentric shafts |
| CN103406775B (en) * | 2013-07-16 | 2016-07-13 | 浙江三和机电科技有限公司 | For processing the clamping tool of eccentric shaft |
| CN104550525A (en) * | 2015-01-20 | 2015-04-29 | 优德精密工业（昆山）股份有限公司 | Resetting chuck of high-precision die and processing method thereof |
| CN107378769A (en) * | 2017-08-28 | 2017-11-24 | 苏州洲洋精密机械科技有限公司 | A kind of fixture for being used to be ground eccentric shaft cover parts eccentric end external diameter |
| CN115319511A (en) * | 2022-04-22 | 2022-11-11 | 成都飞机工业（集团）有限责任公司 | Turning device and turning method for eccentric part |
| CN115319511B (en) * | 2022-04-22 | 2023-12-08 | 成都飞机工业（集团）有限责任公司 | Turning device and turning method for eccentric part |
| CN115026325A (en) * | 2022-07-29 | 2022-09-09 | 常州机电职业技术学院 | Rough turning eccentric hole clamp of eccentric wheel |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120613 |