CN102996648A - Bearing unit used for copper pipe circle checking and applied copper pipe circle checking device thereof - Google Patents
Bearing unit used for copper pipe circle checking and applied copper pipe circle checking device thereof Download PDFInfo
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- CN102996648A CN102996648A CN2012105294303A CN201210529430A CN102996648A CN 102996648 A CN102996648 A CN 102996648A CN 2012105294303 A CN2012105294303 A CN 2012105294303A CN 201210529430 A CN201210529430 A CN 201210529430A CN 102996648 A CN102996648 A CN 102996648A
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- copper pipe
- school
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Abstract
A bearing unit used for copper pipe circle checking comprises an outer ring, an inner ring, and rolling balls disposed between the outer ring and the inner ring, and is characterized in that a circle checking groove is circumferentially disposed on the outer surface of the outer ring and matches the arc of the outer surface of the copper pipe. A copper pipe circle checking device is characterized in that the device comprises at least two bearing units for copper pipe circle checking which are horizontally and/or vertically symmetrically mounted; the circle checking grooves of the two bearing units face each other and together form a circle checking hole circumferentially matching the outer surface of the copper pipe. The bearing unit used for copper pipe circle checking and the circle checking device of the invention are convenient for mounting and using, can effectively reduce accumulative error, improve running precision, and thus improve copper pipe circle checking precision.
Description
Technical field:
The present invention relates to a kind of bearing unit for copper pipe school circle and the copper pipe school round belting of application thereof, especially a kind of for the bearing unit of thin-wall copper pipe school circle and the copper pipe school round belting of application thereof.
Background technique:
Copper pipe is the important former parts of refrigeration plant, and wherein the copper pipe in the radiator is called " blood vessel " of air-conditioning by industry, and its quality, precision height directly affect refrigeration, are determining quality and the level of air conditioner.The copper pipe of air-condition heat exchanger is comprised of many U-shaped pipes, before the U-shaped pipe bends moulding, need to use specialized mould with the pipe of coiling carry out the school circle, alignment changes satisfactory long tube into.
And existing school circle wheel, as shown in Figure 1, the assembly that is formed by school circle wheel body 01 and block bearing 02, namely at school circle wheel body 01 outer surface school circle structure is set, school circle wheel body 01 is embedded in two cover block bearings 02, the outer ring of block bearing 02 and school circle wheel body 01 interference fit can be rotated with the outer ring school circle wheel body 01 relative to inner ring.Modular construction is complicated, bearing apolegamy technical requirements is high, accumulated error is large, because assembly is installed on the supporting axle by two cover bearing endoporus, installs, changes difficulty simultaneously.
Summary of the invention:
The object of the present invention is to provide a kind of bearing unit for copper pipe school circle, it is easy for installation, can effectively reduce accumulated error, improves running accuracy, and then improves copper pipe school circle precision.
A kind of bearing unit for copper pipe school circle, this bearing unit comprise outer ring, inner ring and be located at inner ring and the outer ring between ball, it is characterized in that: the outer surface of described outer ring circumferentially offers the school circular groove that cooperates with described copper pipe outer surface circular arc along it.
The present invention's the bearing unit that is used for copper pipe school circle, directly offer the school circular groove in the outer ring of bearing unit, compare with conventional art, realized the combination of school circle wheel sports school circle function and bearing antifriction function, the fabricated structure that breaks traditions, making, the circle wheel becomes as a whole with bearing unit, not only easy to install, also can effectively reduce accumulated error, improve running accuracy, and then improve copper pipe school circle precision.
The present invention's the bearing unit that is used for copper pipe school circle, can improve by following scheme:
School described above circular groove be semi-circular recesses or arc length near the circular groove of semicircle, when making things convenient for the two bearings unit to be symmetrical arranged, two school circular grooves can be formed directly in and the circumferential school circular hole of coupling of copper pipe outer surface.
Bearing unit described above is angular contact ball bearing.
Be provided with the twice ring raceway between the inner ring of angular contact ball bearing described above and the outer ring, correspondence is provided with a row ball on each ring raceway, and the line of described ball and inner ring and outer ring ring raceway point of contact and the angle of bearing unit radial plane form a wrapping angle.
Wrapping angle described above is 25 °.
Another object of the present invention is to provide a kind of copper pipe school round belting, can effectively reduce accumulated error, improve running accuracy, and then improve copper pipe school circle precision.
A kind of copper pipe school round belting, it is characterized in that: comprise at least the bearing unit for copper pipe school circle described above that two levels and/or vertical symmetry are installed, the relative and common school circular hole that can circumferentially mate with the outer surface of described copper pipe that forms of the school circular groove of two bearings unit.
The present invention's copper pipe school round belting, directly offer the school circular groove on its outer ring for the bearing unit of copper pipe school circle, compare with conventional art, realized the combination of school circle wheel sports school circle function and bearing antifriction function, the fabricated structure that breaks traditions, making, the circle wheel becomes as a whole with bearing unit, not only easy to install, also can effectively reduce accumulated error, improve running accuracy, and then improve copper pipe school circle precision.
The present invention's copper pipe school round belting, can improve by following scheme:
Leave certain interval between the outer ring of symmetrically arranged two bearings described above unit, this gap length is 0-0.2mm.
The present invention's copper pipe school round belting comprises many to symmetrically arranged described bearing unit, and each vertically or with arbitrarily angled interval arranges on the straight line that its school center of circular hole point is linked to be mutually to bearing unit.Can successively push copper pipe and eliminate round that slit described above causes.
Description of drawings:
Fig. 1 is the structural representation that traditional school circle wheel cooperates with bearing unit.
Fig. 2 is the structural representation of the present invention's the bearing unit that is used for copper pipe school circle.
Fig. 3 is the plan view of the present invention's copper pipe school round belting.
Fig. 4 is the A-A cut-away view of Fig. 3.
Embodiment:
As shown in Figure 2, a kind of bearing unit for copper pipe school circle, this bearing unit comprises outer ring 1, inner ring 2, is located at ball 3, ball retainer and seal ring between inner ring and the outer ring.Wherein, the outer surface of described outer ring 1 circumferentially offers the school circular groove 11 that cooperates with described copper pipe outer surface circular arc along it, this school circular groove 11 is semi-circular recesses or the arc length circular groove near semicircle, and in the present embodiment, preferred school circular groove 11 is the circular groove of arc length near semicircle.
Particularly, described bearing unit is double-row angular contact bal bearing, be provided with the twice ring raceway between its inner ring 2 and the outer ring 1, correspondence is provided with a row ball 3 on each ring raceway, each row ball 3 is kept it and circumferential even separation of edge by the retainer of a correspondence, described ball 3 and inner ring 2 and the line of outer ring 1 ring raceway point of contact and the angle of bearing unit radial plane form a wrapping angle, and this wrapping angle is 25 °.
Shown in Fig. 3,4, a kind of copper pipe school round belting, at least comprise the symmetrical bearing unit for copper pipe school circle described above of installing of two horizontal and verticals, school the circular groove 11 relative and common school circular holes that can circumferentially mate with the outer surface of described copper pipe 4 that form of two bearings unit.
Particularly, leave certain interval δ between the outer ring 1 of described symmetrically arranged diaxon bearing unit, this gap delta size is 0.2mm.
As the improvement of the present invention's copper pipe school round belting, this copper pipe school round belting comprises many to symmetrically arranged described bearing unit, and each is mutually vertical or arrange with arbitrarily angled interval on the straight line that its school center of circular hole point is linked to be to bearing unit.
The above is preferred embodiment of the present invention only, is not to limit scope of the invention process, and all equal variation and modifications of doing according to claim of the present invention all fall into the scope that patent of the present invention contains.
Claims (8)
1. one kind is used for the round bearing unit in copper pipe school, this bearing unit comprise outer ring, inner ring and be located at inner ring and the outer ring between ball, it is characterized in that: the outer surface of described outer ring circumferentially offers the school circular groove that cooperates with described copper pipe outer surface circular arc along it.
2. a kind of bearing unit for copper pipe school circle according to claim 1 is characterized in that: described school circular groove is that semi-circular recesses or arc length are near the circular groove of semicircle.
3. according to claim 1 and 2 a kind of for the round bearing unit in copper pipe school, it is characterized in that: described bearing unit is angular contact ball bearing.
4. according to claim 3 a kind of for the round bearing unit in copper pipe school, it is characterized in that: be provided with the twice ring raceway between the inner ring of described angular contact ball bearing and the outer ring, correspondence is provided with a row ball on each ring raceway, and the line of described ball and inner ring and outer ring ring raceway point of contact and the angle of bearing unit radial plane form a wrapping angle.
5. according to claim 4 a kind of for the round bearing unit in copper pipe school, it is characterized in that: described wrapping angle is 25 °.
6. copper pipe school round belting, it is characterized in that: comprise at least each described bearing unit for copper pipe school circle of claim 1 to 5 that two levels and/or vertical symmetry are installed, the relative and common school circular hole that can circumferentially mate with the outer surface of described copper pipe that forms of the school circular groove of two bearings unit.
7. a kind of copper pipe according to claim 6 school round belting, it is characterized in that: leave certain interval between the outer ring of described symmetrically arranged two bearings unit, this gap length is 0-0.2mm.
8. a kind of copper pipe according to claim 7 school round belting, it is characterized in that: this copper pipe school round belting comprises many to symmetrically arranged described bearing unit, and each vertically or with arbitrarily angled interval arranges on the straight line that its school center of circular hole point is linked to be mutually to bearing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529430.3A CN102996648B (en) | 2012-12-10 | 2012-12-10 | The copper pipe circle device of a kind of bearing unit for copper pipe circle and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529430.3A CN102996648B (en) | 2012-12-10 | 2012-12-10 | The copper pipe circle device of a kind of bearing unit for copper pipe circle and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996648A true CN102996648A (en) | 2013-03-27 |
| CN102996648B CN102996648B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210529430.3A Active CN102996648B (en) | 2012-12-10 | 2012-12-10 | The copper pipe circle device of a kind of bearing unit for copper pipe circle and application thereof |
Country Status (1)
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| CN (1) | CN102996648B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157352Y (en) * | 1992-11-25 | 1994-02-23 | 王飞 | Outer race slotted radial rolling bearing |
| JPH0857540A (en) * | 1994-08-25 | 1996-03-05 | Hitachi Metals Ltd | Device for removing deformation from piping joint |
| CN102128209A (en) * | 2011-03-05 | 2011-07-20 | 中山市盈科轴承制造有限公司 | Double-row angular contact ball bearing for machine-roomless elevator |
| CN202270784U (en) * | 2011-08-19 | 2012-06-13 | 无锡新得宝金属软管有限公司 | Welding pipe rounding device |
| CN102500662A (en) * | 2011-11-09 | 2012-06-20 | 燕山大学 | Whole diameter rounding method for large pipe fitting |
| CN203009592U (en) * | 2012-12-10 | 2013-06-19 | 中山市盈科轴承制造有限公司 | Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof |
-
2012
- 2012-12-10 CN CN201210529430.3A patent/CN102996648B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157352Y (en) * | 1992-11-25 | 1994-02-23 | 王飞 | Outer race slotted radial rolling bearing |
| JPH0857540A (en) * | 1994-08-25 | 1996-03-05 | Hitachi Metals Ltd | Device for removing deformation from piping joint |
| CN102128209A (en) * | 2011-03-05 | 2011-07-20 | 中山市盈科轴承制造有限公司 | Double-row angular contact ball bearing for machine-roomless elevator |
| CN202270784U (en) * | 2011-08-19 | 2012-06-13 | 无锡新得宝金属软管有限公司 | Welding pipe rounding device |
| CN102500662A (en) * | 2011-11-09 | 2012-06-20 | 燕山大学 | Whole diameter rounding method for large pipe fitting |
| CN203009592U (en) * | 2012-12-10 | 2013-06-19 | 中山市盈科轴承制造有限公司 | Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102996648B (en) | 2016-03-23 |
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