CN104043693A - Correcting device for position accuracy of ultrathin-wall cylinder workpiece - Google Patents
Correcting device for position accuracy of ultrathin-wall cylinder workpiece Download PDFInfo
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- CN104043693A CN104043693A CN201410271667.5A CN201410271667A CN104043693A CN 104043693 A CN104043693 A CN 104043693A CN 201410271667 A CN201410271667 A CN 201410271667A CN 104043693 A CN104043693 A CN 104043693A
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- wall cylinder
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Abstract
The invention discloses a correcting device for the position accuracy of an ultrathin-wall cylinder workpiece. The correcting device comprises a screwing bolt, a pressing ring, a mandrel, an upper core die, a lower core die and a base, wherein the base is arranged at the lowest end of the device, the upper end of the base is provided with the mandrel, the upper core die and the lower core die are arranged at the upper end and the lower end of the outer circle of the mandrel respectively and are partitioned through a collar of the mandrel. The upper end and the lower end of the workpiece are arranged at the upper end of the outer circle of the upper core die and the lower end of the outer circle of the lower core die respectively, and a groove of the workpiece corresponds to the collar of the mandrel. The screwing bolt penetrates through the pressing ring and is screwed into an internal threaded hole of the mandrel, and the pressing ring is fixed to the upper core die through a nut of the screwing bolt. The correcting device solves the problem that the position accuracy of the ultrathin-wall cylinder workpiece can not be corrected, machining accuracy and assembly and disassembly efficiency are improved, and an effective solving method is provided for batch machining of the ultrathin-wall cylinder workpiece.
Description
Technical field
The invention belongs to a kind of apparatus for correcting, be specifically related to a kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting.
Background technology
Ultra-thin-wall cylinder class workpiece, because its wall is thin, conventionally can be irregular ellipticity under nature, and ultra-thin-wall cylinder class workpiece exists clamping difficulty in machined field, machining accuracy is difficult to many uncertain factors such as guarantee.
After the processing technology groove of ultra-thin-wall cylinder class workpiece middle part, groove both sides position degree separately floats very large, and the position degree of whole workpiece changes also very greatly, substantially can not meet technological requirement.
So-called position degree refers to that the axis of a body or the Fan Wei ﹐ of central plane permission self-position variation are the permission mobility scale of the axis of a body or the physical location relative theory position of central plane.The meaning of definition axis or central surface is to avoid the impact of feature dimension.
Position degree comprises position degree, the position degree of line and the position degree of face a little.
Ultra-thin-wall cylinder class workpiece is due to the particularity of himself, and the position degree that conventional position degree is corrected means and is not suitable for ultra-thin-wall class workpiece is corrected, and, not rectification means and the correcting device of this aspect at present.
Summary of the invention
The present invention is that the problem that solves prior art existence proposes, and its objective is a kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting is provided.
Technical scheme of the present invention is: a kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting, comprise tight a bolt, pressure ring, mandrel, upper core, lower core and base, base is arranged on device bottom, upper end at base is provided with mandrel, upper core, lower core are arranged on respectively the upper/lower terminal of mandrel cylindrical, and centre is separated by the axle collar of mandrel.The top and bottom of workpiece are arranged on the upper/lower terminal of the cylindrical of core, lower core, the groove of workpiece and axle collar correspondence.Tight a bolt and be screwed in the internal thread hole of mandrel through pressure ring, the nut tighting a bolt is fixed on pressure ring on upper core.
The cross section of described base is the T-shape structure that has centre bore.
Described mandrel is have internal thread hole columnar structured, at the axially middle axle collar that forms of mandrel outer wall.
Described upper core, lower core are made up of same material, and its coefficient of expansion is greater than the coefficient of expansion of workpiece.
Ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting of the present invention, has solved the problem that ultra-thin-wall cylinder class workpiece cannot be corrected position degree, has improved machining accuracy and the efficiency of loading and unloading, for the processing of ultra-thin-wall cylinder class batch workpieceization provides effective solution.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Wherein:
12 pressure rings that tight a bolt
Core on 3 mandrels 4
5 times core 6 bases
7 axle collar 8 workpiece
9 10 workpiece lower ends, workpiece upper ends
11 grooves.
Detailed description of the invention
Below, with reference to drawings and Examples, the present invention is described in detail:
As shown in Figure 1, a kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting, comprises base 6, tights a bolt 1, pressure ring 2, mandrel 3, upper core 4, lower core 5.The cross section of base 6 is the T-shape structure that has centre bore, is arranged on device bottom, in the upper end of base 6, mandrel 3 is installed, and mandrel 3 is for there being the columnar structured of internal thread hole, at the axially middle axle collar 7 that forms of mandrel 3 outer walls.
Upper core 4, lower core 5 are arranged on respectively the upper/lower terminal of mandrel 3 cylindricals, and centre is separated by the axle collar 7 of mandrel 3.The workpiece upper end 9 of workpiece to be processed 8 and workpiece lower end 10 are arranged on the upper/lower terminal of the cylindrical of core 4, lower core 5, the groove 11 of workpiece to be processed 8 and the axle collar 7 correspondences.
Tighting a bolt 1 is screwed in the internal thread hole of mandrel 3 through pressure ring 2, and 1 the nut of tighting a bolt is fixed on pressure ring 2 on upper core 4.1 the section of tighting a bolt is " work " type structure that has centre bore.
Described upper core 4, lower core 5 are made up of same material, and its coefficient of expansion is greater than the coefficient of expansion of workpiece 5.
Using method of the present invention: workpiece is arranged on after ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting, put into vacuum quencher, be heated insulation, the thermal coefficient of expansion of upper core 4, lower core 5 is sufficiently more than the thermal coefficient of expansion of workpiece 8, upper core 4, lower core 5 are respectively by workpiece swelling swollen circle in two ends Shang Xia 8, after insulation certain hour, upper core 4, lower core 5 and workpiece 8 are cooling with vacuum quencher, then workpiece is taken out from device, the axiality that realizes the upper and lower two ends of workpiece with this, reaches ultra-thin-wall cylinder class location of workpiece degree and corrects.
Ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting of the present invention, solve ultra-thin-wall cylinder class workpiece and cannot correct the problem of position degree (axiality), machining accuracy and the efficiency of loading and unloading are improved, for the processing of ultra-thin-wall cylinder class batch workpieceization provides effective solution.
Claims (4)
1. a ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting, it is characterized in that: comprise tight a bolt (1), pressure ring (2), mandrel (3), upper core (4), lower core (5) and base (6), base (6) is arranged on device bottom, in the upper end of base (6), mandrel (3) is installed, upper core (4), lower core (5) is arranged on respectively the upper of mandrel (3) cylindrical, lower two ends, centre is separated by the axle collar (7) of mandrel (3), workpiece upper end (9) and workpiece lower end (10) of workpiece (8) are arranged on core (4), the cylindrical of lower core (5) upper, lower two ends, the groove (11) of workpiece (8) and the axle collar (7) correspondence, tight a bolt (1) be screwed in the internal thread hole of mandrel (3) through pressure ring (2), the nut of (1) of tighting a bolt is fixed on pressure ring (2) on upper core (4).
2. ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting according to claim 1, is characterized in that: the cross section of described base (6) is the T-shape structure that has centre bore.
3. ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting according to claim 1, is characterized in that: described mandrel (3) is for there being the columnar structured of internal thread hole, at the axially middle axle collar (7) that forms of mandrel (3) outer wall.
4. ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting according to claim 1, is characterized in that: described upper core (4), lower core (5) are made up of same material, and its coefficient of expansion is greater than the coefficient of expansion of workpiece (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271667.5A CN104043693B (en) | 2014-06-18 | 2014-06-18 | Ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271667.5A CN104043693B (en) | 2014-06-18 | 2014-06-18 | Ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104043693A true CN104043693A (en) | 2014-09-17 |
| CN104043693B CN104043693B (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410271667.5A Active CN104043693B (en) | 2014-06-18 | 2014-06-18 | Ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312367A (en) * | 2015-11-30 | 2016-02-10 | 上海电机学院 | Orthopedic device and orthopedic method for high-strength steel thin-wall annular forging piece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004174557A (en) * | 2002-11-27 | 2004-06-24 | Canon Inc | Circularity correcting method of thin-walled cylinder, circularity-corrected thin-walled cylinder, and thin-walled cylinder having surface layer material |
| CN201659174U (en) * | 2009-12-18 | 2010-12-01 | 江南机器（集团）有限公司 | Thin-wall cylinder shape correction device |
| CN102794334A (en) * | 2012-07-17 | 2012-11-28 | 湖北三江航天江北机械工程有限公司 | Diameter and shape precision control method of thin-walled cylinder and special tool thereof |
| CN202893900U (en) * | 2012-11-16 | 2013-04-24 | 中核(天津)科技发展有限公司 | Thin-wall pipe fitting straightening device |
| CN203541248U (en) * | 2013-09-07 | 2014-04-16 | 内蒙古航天红岗机械有限公司 | Conical thermal-expansion correcting fixture |
| CN203972534U (en) * | 2014-06-18 | 2014-12-03 | 中核(天津)科技发展有限公司 | A kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting |
-
2014
- 2014-06-18 CN CN201410271667.5A patent/CN104043693B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004174557A (en) * | 2002-11-27 | 2004-06-24 | Canon Inc | Circularity correcting method of thin-walled cylinder, circularity-corrected thin-walled cylinder, and thin-walled cylinder having surface layer material |
| CN201659174U (en) * | 2009-12-18 | 2010-12-01 | 江南机器（集团）有限公司 | Thin-wall cylinder shape correction device |
| CN102794334A (en) * | 2012-07-17 | 2012-11-28 | 湖北三江航天江北机械工程有限公司 | Diameter and shape precision control method of thin-walled cylinder and special tool thereof |
| CN202893900U (en) * | 2012-11-16 | 2013-04-24 | 中核(天津)科技发展有限公司 | Thin-wall pipe fitting straightening device |
| CN203541248U (en) * | 2013-09-07 | 2014-04-16 | 内蒙古航天红岗机械有限公司 | Conical thermal-expansion correcting fixture |
| CN203972534U (en) * | 2014-06-18 | 2014-12-03 | 中核(天津)科技发展有限公司 | A kind of ultra-thin-wall cylinder class location of workpiece degree apparatus for correcting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312367A (en) * | 2015-11-30 | 2016-02-10 | 上海电机学院 | Orthopedic device and orthopedic method for high-strength steel thin-wall annular forging piece |
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| CN104043693B (en) | 2019-07-05 |
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