CN102528631A - Floating centrifugal deep-hole polishing device - Google Patents
Floating centrifugal deep-hole polishing device Download PDFInfo
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- CN102528631A CN102528631A CN201110410837XA CN201110410837A CN102528631A CN 102528631 A CN102528631 A CN 102528631A CN 201110410837X A CN201110410837X A CN 201110410837XA CN 201110410837 A CN201110410837 A CN 201110410837A CN 102528631 A CN102528631 A CN 102528631A
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- rocker piece
- cylindrical shell
- sand paper
- burnishing device
- mandrel
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Abstract
The invention relates to a floating centrifugal deep-hole polishing device which comprises a mandrel, a cylinder body, a shaft sleeve, a floating block, abrasive paper, a cover plate and a nut, wherein the mandrel is of the shape of a three-section ladder which is high at left and low at right, the middle part of the mandrel sequentially penetrates the cylinder body and the cover plate, and the nut is sheathed on a thread formed at the right part of the mandrel; the cylinder body is of the shape of a two-section ladder which is high at the left and low at the right, the shaft sleeve is mounted on the outer circumferential surface at the right part of the cylinder body, and a gap groove is formed along the radial direction; the floating block is arranged in the gap groove and in clearance fit with the gap groove, each of the left and the right side surfaces of the floating block is of the shape of the two-section ladder which is low at the part in the vicinity of the circumferential part of the cylinder body and high at the part in the vicinity of the circle center part of the cylinder body along the radial direction of the cylinder body, and the right end surface of the shaft sleeve and the left end surface of the cover plate are respectively close to the left side surface and the right side surface of the floating block, which are positioned at the circumferential part of the cylinder body; and an abrasive paper groove is axially formed on the top surface of the floating block, which is close to the circumferential part of the cylinder body, along the axial direction of the mandrel, and the abrasive paper is fastened in the abrasive paper groove. The device is particularly suitable for machining deep holes of large parts, which have large volume and are asymmetric, and can further achieve very high polishing precision.
Description
Technical field
The present invention relates to a kind of centrifugal deep hole burnishing device that floats, the special endoporus that adapts in the large-scale asymmetric machined part of polishing.
Background technology
The deep hole of existing mechanical processing parts generally carries out on boring machine, and the deep hole roughness after the boring machine right boring generally is up to Ra3.2.When high again, just can only arrive on the internal grinder and process, but can not process the deep hole of the big and asymmetric part of volume on the internal grinder to the requirement on machining accuracy of deep hole.
Summary of the invention
The object of the present invention is to provide a kind of can be with volume big and deep hole roughness asymmetric part again be worked into the burnishing device more than the Ra3.2.
The related unsteady centrifugal deep hole burnishing device of technical scheme of the present invention comprises mandrel, cylindrical shell, axle sleeve, rocker piece, sand paper, cover plate and nut; Mandrel be a left side high right low three sections stepped, the mandrel middle part is passed cylindrical shell and cover plate successively, is with nut on the screw thread that the mandrel right part has; Cylindrical shell be a left side high right low two sections stepped, on the outer circumference surface of cylindrical shell right part axle sleeve is installed, and radially has gap slot; Rocker piece places in the said gap slot; With the gap slot matched in clearance; The rocker piece left and right side respectively along cylindrical shell radially be low near the cylindrical shell circumferential part, center of circle portion is high two sections stepped, the right side of axle sleeve and the left side of cover plate are positioned at the left surface and the right flank of cylindrical shell circumferential part respectively near rocker piece; Rocker piece near the end face of cylindrical shell circumferential part along mandrel axially have a sand paper groove, tightened up sand paper in the sand paper groove.
This endoporus burnishing device is along with in the boring spindle rotary course; Rocker piece can radially outwards move owing to action of centrifugal force; The sand paper that is positioned at rocker piece top sand paper groove just can push the also inner hole wall of grinding part; Because polishing medium is a sand paper, can improve the roughness of the endoporus that polishes.In the deep hole burnishing device course of work, because the left and right sides of rocker piece has depressed part, and axle sleeve and cover plate stretch into the depressed part of rocker piece left and right sides respectively, and rocker piece can not throw away gap slot, has guaranteed carrying out smoothly of polishing process.
Description of drawings
Fig. 1 is an endoporus burnishing device shaft side figure
Fig. 2 is the axial cutaway view of endoporus burnishing device
Fig. 3 is the cutaway view that Fig. 2 does along hatching
Fig. 4 is the right view of cylindrical shell
Fig. 5 is the elevation cross-sectional view of cylindrical shell
Fig. 6 is the front view of mandrel
Fig. 7 is that rocker piece is done the axial cutaway view of whole endoporus burnishing device after first kind of distortion
Fig. 8 is the left view that rocker piece is done the constitutional diagram of rocker piece after second kind of distortion
The specific embodiment
Like Fig. 1, shown in 2 and 6, the endoporus burnishing device that the present invention relates to comprises mandrel 1, cylindrical shell 2, axle sleeve 3, rocker piece 4, sand paper 5, cover plate 6 and nut 8.As shown in Figure 5, mandrel 1 outer circumference surface be a left side high right low three sections stepped, the left part of mandrel 1 is cone shape substantially, matches with the spindle hole of boring machine; The right part of mandrel 1 is cylindrical shape, passes cylindrical shell 2 and cover plate 6 successively, the endoporus and the mandrel 1 middle part outer circumference surface matched in clearance of cylindrical shell 2 and cover plate 6; The right part of mandrel 1 has screw thread 12, is with nut 7 on the screw thread 12, and nut 7 is locked at cylindrical shell 2 between first cascaded surface 13 and cover plate 6 of mandrel 1.Like Fig. 4 and shown in Figure 5, cylindrical shell 2 be a left side high right low two sections stepped, the right part of cylindrical shell 2 radially has 4 gap slots 11, these four gap slots 11 are along the circumferencial direction equidistant placement of cylindrical shell 2.As shown in Figure 2, rocker piece 41 and back rocker piece 42 before rocker piece 4 is divided into, the tangential is opposite in the gap slot 11 mutually, with gap slot 11 matched in clearance, can be free to slide along gap slot 11.
As shown in Figure 3; Before trailing flank and the leading flank of back rocker piece 42 of rocker piece 41 can make along cylindrical shell 2 radially be two sections that center of circle portion is high, circumferential part is low stepped; Preceding rocker piece 41 forms sand paper groove 9 near trailing flank, the back rocker piece 42 of cylindrical shell 2 circumferential parts near the cascaded surface of the leading flank of cylindrical shell 2 circumferential parts, preceding rocker piece 41 rear sides and back rocker piece 42 front side flush; Preceding rocker piece 41 and back rocker piece 42 are fixed tightly in sand paper 5 in the sand paper groove 9 fixing with screw 10 near cylindrical shell 2 center of circle portions.
As shown in Figure 7; Also can be only with the trailing flank of preceding rocker piece 41 make along cylindrical shell 2 radially be near center of circle portion is high, circumferential part is low two sections stepped; Back rocker piece 42 integral body are rectangular-shaped, the cascaded surface of rocker piece 41 rear sides before its bottom surface near cylindrical shell 2 center of circle portions is close to, the cascaded surface of the leading flank of back rocker piece 42, preceding rocker piece 3 rear sides and near the trailing flank formation sand paper groove 9 of cylindrical shell 2 circumferential parts; Screw 10 passes back rocker piece 42, sand paper 5, is fixed on the preceding rocker piece 41. Can certainly be only will back rocker piece 42 leading flank make along cylindrical shell 2 radially be near center of circle portion is high, circumferential part is low two sections stepped; Preceding rocker piece 41 is rectangular-shaped; Before the bottom surface of rocker piece 41 be close to the cascaded surface of rocker piece 42 front sides, back, the cascaded surface of the trailing flank of preceding rocker piece 41, rocker piece 42 front sides, back and form sand paper groove 9 near the trailing flank of cylindrical shell 2 circumferential parts.Screw 10 passes preceding rocker piece 41, sand paper 5, is fixed on the rocker piece 42 of back.Adopt this two kinds of structures; Be applicable to the bigger situation of boring ratio that will polish, not only screw 10 installation sites can be with sand paper 5 more firm being fixed in the sand paper groove 9 more near sand paper groove 9; And when changing sand paper 5; Do not need to dismantle earlier nut 8 on the mandrel, the screw 10 of dismantling again and tightening up sand paper, just passable as long as direct dismounting tightens up the screw 10 of sand paper.
Before left surface and the right flank of rocker piece 41 and back rocker piece 42 can radially to be low two sections of circle centre position height, circumference place along cylindrical shell 2 stepped; The right part outer circumference surface matched in clearance of the endoporus of axle sleeve 3 and cylindrical shell 2; The left side of axle sleeve 3 is close to the cascaded surface of cylindrical shell, and the right side is positioned at the left surface of cylindrical shell 2 circumferential parts near preceding rocker piece 41 and back rocker piece 42.Cover plate 6 is "] of hollow " type, the section of remaining silent is near the left side of nut 8, and rocker piece 41 and back rocker piece 42 were near the right flank of cylindrical shell 2 circumferential parts before openend was pressed in.
As shown in Figure 8; Before rocker piece 41 and back rocker piece 42 left surfaces and right flank can also along cylindrical shell 2 radially be the circle centre position height, the middle part is low, the circumference place is high three sections stepped, before the openend of axle sleeve 3 right sides and cover plate 6 is close to respectively in this case rocker piece 41 and after the left and right side at rocker piece 42 middle parts.In this case; Preceding rocker piece 41 and back rocker piece 42 can extend to the low order end of whole burnishing device near the right flank of cylindrical shell 2 circumferential parts; Sand paper 5 in the sand paper groove 9 also can reach the low order end of whole burnishing device like this, and this structure makes that this endoporus burnishing device can processing blind hole.
As shown in Figure 3; The rocker piece of first kind of structure; Its preceding rocker piece 41 can be opened a leg-of-mutton groove near the trailing flank of cylindrical shell 2 circumferential parts, on the leading flank of back rocker piece 42 near cylindrical shell 2 circumferential parts a corresponding denation is arranged, and opens the face of triangle groove and denation certainly and can exchange; Adopt the sand paper groove 9 of said structure to be hollow single punctuation marks used to enclose the title shape, can be better fixing sand paper 10.Preceding rocker piece 41 among Fig. 6 also can be opened the triangle groove or be cast with denation with the respective side of back rocker piece 42, to form the sand paper groove 9 of hollow single punctuation marks used to enclose the title shape.
A split pin 7 can be inserted with on the nut 8, whole endoporus burnishing device can be firmly fixed more like this.
Claims (10)
1. the centrifugal deep hole burnishing device that floats is characterized in that: comprise mandrel (1), cylindrical shell (2), axle sleeve (3), rocker piece (4), sand paper (5), cover plate (6) and nut (8); Mandrel (1) be a left side high right low three sections stepped, mandrel (1) middle part is passed cylindrical shell (2) and cover plate (6) successively, is with nut (7) on the screw thread (12) that mandrel (1) right part has; Cylindrical shell (2) be a left side high right low two sections stepped, on the outer circumference surface of cylindrical shell (2) right part axle sleeve (3) is installed, and radially has gap slot (11), rocker piece (4) places in the said gap slot (11), with gap slot (11) matched in clearance; Respectively there is a depressed part left and right side of rocker piece (4), and the left side of the right side of axle sleeve (3) and cover plate (6) puts in the depressed part on rocker piece (4) left side and right side respectively; Rocker piece (4) near the end face of cylindrical shell (2) circumferential part along mandrel (1) axially have a sand paper groove (9), tightened up sand paper (5) in the sand paper groove (9).
2. according to the said centrifugal deep hole burnishing device that floats of claim 1; It is characterized in that: the left side of said rocker piece (4) and right side radially are high near cylindrical shell (2) center of circle portion, circumferential part is low two sections are stepped, and rocker piece (4) is depressed part near the left and right side of circumferential part.
3. according to the said centrifugal deep hole burnishing device that floats of claim 1; It is characterized in that: the left side of said rocker piece (4) and right side radially are high near cylindrical shell (2) center of circle portion, the middle part is low, circumferential part is high three sections are stepped, and the left and right side at rocker piece (4) middle part is depressed part.
4. the centrifugal deep hole burnishing device that floats according to claim 3 is characterized in that said rocker piece (4) is the low order end face of said burnishing device near the right flank of cylindrical shell (2) circumferential part.
5. according to the said centrifugal deep hole burnishing device that floats of claim 1, it is characterized in that said rocker piece (4) is made up of preceding rocker piece (41) and back rocker piece (42), preceding rocker piece (41) is opposite in the gap slot (11) with back rocker piece (42) tangential mutually.
6. according to the said centrifugal deep hole burnishing device that floats of claim 5; It is characterized in that said before the front side of rear side and back rocker piece (42) of rocker piece (41) be high near cylindrical shell (2) center of circle portion, circumferential part is low two sections stepped; Before rocker piece (41) rear side and back rocker piece (42) front side corresponding cascaded surface, preceding rocker piece (41) form sand paper groove (9) near the trailing flank of cylindrical shell (2) circumferential part and back rocker piece (42) together near the leading flank of cylindrical shell (2) circumferential part, said before rocker piece (41) fixing with screw (10) near cylindrical shell (2) center of circle portion with back rocker piece (42).
7. according to the said centrifugal deep hole burnishing device that floats of claim 5; It is characterized in that preceding rocker piece (41) rear side has cascaded surface; Back rocker piece (42) is close to the cascaded surface of preceding rocker piece (41) rear side near the bottom surface of cylindrical shell (2) center of circle portion; The cascaded surface of the leading flank of back rocker piece (42), preceding rocker piece (41) rear side and form sand paper groove (9) together near the trailing flank of circumferential part, screw (10) passes back rocker piece (42), sand paper (5), is fixed on the preceding rocker piece (41).
8. according to the said centrifugal deep hole burnishing device that floats of claim 5; It is characterized in that rocker piece (42) front side, back has cascaded surface; Preceding rocker piece (41) is close to the cascaded surface of rocker piece (42) front side, back near the bottom surface of cylindrical shell (2) center of circle portion; Before rocker piece (41) trailing flank, rocker piece (42) front side, back cascaded surface and form sand paper groove (9) together near the leading flank of circumferential part, screw (10) passes preceding rocker piece (41), sand paper (5), is fixed on the back rocker piece (42).
9. according to the said centrifugal deep hole burnishing device that floats of claim 1, it is characterized in that: said sand paper groove (9) be shaped as hollow single punctuation marks used to enclose the title.
10. according to the said centrifugal deep hole burnishing device that floats of claim 1, it is characterized in that: be inserted with split pin (7) on the described nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110410837.XA CN102528631B (en) | 2011-12-12 | 2011-12-12 | Floating centrifugal deep-hole polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110410837.XA CN102528631B (en) | 2011-12-12 | 2011-12-12 | Floating centrifugal deep-hole polishing device |
Publications (2)
| Publication Number | Publication Date |
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| CN102528631A true CN102528631A (en) | 2012-07-04 |
| CN102528631B CN102528631B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110410837.XA Active CN102528631B (en) | 2011-12-12 | 2011-12-12 | Floating centrifugal deep-hole polishing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589188A (en) * | 2015-01-12 | 2015-05-06 | 国家电网公司 | Grinding device for inner wall of large shaft central hole of power generator unit |
| CN106272044A (en) * | 2016-08-29 | 2017-01-04 | 苏州市诚品精密机械有限公司 | A kind of Multifunctional grinding tool dish |
| CN108381412A (en) * | 2018-03-20 | 2018-08-10 | 温州职业技术学院 | A kind of multifunctional assembled grinding tool of abrasive grain ordered arrangement |
| WO2018152877A1 (en) * | 2017-02-27 | 2018-08-30 | 中兴能源装备有限公司 | Cleaning device for hole bottoms of blind holes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715292A (en) * | 1952-04-16 | 1954-09-08 | Engis Ltd | Improvements in or relating to rotary abrasive heads |
| GB1090572A (en) * | 1963-09-25 | 1967-11-08 | Engis Ltd | Improvements in or relating to rotary abrasive heads |
| GB1216444A (en) * | 1968-07-01 | 1970-12-23 | Barnes Drill Co | Solid abrading tool with fiber abrasive |
| DE3718932A1 (en) * | 1987-06-05 | 1988-12-22 | Detlef Koeppen | ROTATIONAL TAPE TOOL |
| DE3802933C2 (en) * | 1988-02-02 | 1994-01-05 | Nagel Masch Werkzeug | Brushing tool |
| US7207876B2 (en) * | 2004-06-17 | 2007-04-24 | Jason Incorporated | Flap wheel and method |
| CN2887530Y (en) * | 2006-02-19 | 2007-04-11 | 扈善广 | Polish burnisher |
-
2011
- 2011-12-12 CN CN201110410837.XA patent/CN102528631B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589188A (en) * | 2015-01-12 | 2015-05-06 | 国家电网公司 | Grinding device for inner wall of large shaft central hole of power generator unit |
| CN106272044A (en) * | 2016-08-29 | 2017-01-04 | 苏州市诚品精密机械有限公司 | A kind of Multifunctional grinding tool dish |
| WO2018152877A1 (en) * | 2017-02-27 | 2018-08-30 | 中兴能源装备有限公司 | Cleaning device for hole bottoms of blind holes |
| CN108381412A (en) * | 2018-03-20 | 2018-08-10 | 温州职业技术学院 | A kind of multifunctional assembled grinding tool of abrasive grain ordered arrangement |
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| Publication number | Publication date |
|---|---|
| CN102528631B (en) | 2015-10-28 |
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Effective date of registration: 20180628 Address after: No. 1, Dongfeng Road, Zhu Hui District, Hengyang, Hunan Patentee after: China Steel Group Hengyang Machinery Co., Ltd. Address before: No. 1, Dongfeng Road, Zhu Hui District, Hengyang, Hunan Patentee before: Sinosteel Hengyang Machinery Co., Ltd. |