CN203009592U - Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof - Google Patents
Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof Download PDFInfo
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- CN203009592U CN203009592U CN 201220681748 CN201220681748U CN203009592U CN 203009592 U CN203009592 U CN 203009592U CN 201220681748 CN201220681748 CN 201220681748 CN 201220681748 U CN201220681748 U CN 201220681748U CN 203009592 U CN203009592 U CN 203009592U
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- bearing unit
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- ring
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Abstract
The utility model discloses a roundness correction bearing unit for copper pipes, wherein the bearing unit comprises an outer ring, an inner ring and a ball arranged between the inner ring and the outer ring. The bearing unit is characterized in that a roundness correction groove matched with the circular arc on the outer surface of the copper pipe is processed on the outer surface of the outer ring along the circumferential direction of the outer ring. A copper pipe roundness correcting device is characterized by at least comprising two horizontally and/or vertically and symmetrically installed roundness correction bearing units for copper pipes, and the roundness correction grooves of the two bearing units are opposite and jointly form a roundness correction hole matched with the circumferential direction of the outer surface of the copper pipe. The roundness correction bearing unit for copper pipes and the roundness correcting device disclosed by the utility model are convenient to install and use and are capable of effectively reducing accumulative errors and improving the operation precision so as to improve the roundness correction precision of the copper pipes.
Description
Technical field:
The utility model relates to the copper pipe school round belting of a kind of bearing unit for copper pipe school circle and application thereof, especially a kind of for thin-wall copper pipe school circle bearing unit and the copper pipe school round belting of application.
Background technique:
Copper pipe is the important former parts of refrigeration plant, and wherein the copper pipe in 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 on circle wheel body 01 outer surface of school, 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 supporting axle by two cover bearing endoporus, installs, changes difficulty simultaneously.
Summary of the invention:
The purpose of this utility model is to provide a kind of bearing unit for copper pipe school circle, and 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 along it school circular groove that coordinates with described copper pipe outer surface circular arc.
The bearing unit that is used for copper pipe school circle of the utility model, directly offer the school circular groove on 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 the round precision in copper pipe school.
The bearing unit that is used for copper pipe school circle of the utility model, can improve by following scheme:
School described above circular groove be semi-circular recesses or arc length near the circular groove of semicircle, when facilitating 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 outer ring, on each ring raceway, correspondence is provided with a row ball, and the angle of the line of described ball and inner ring and outer ring ring raceway point of contact and bearing unit radial plane forms a wrapping angle.
Wrapping angle described above is 25 °.
Another purpose of the present utility model is to provide a kind of copper pipe school round belting, can effectively reduce accumulated error, improves running accuracy, and then improves copper pipe school circle precision.
A kind of copper pipe school round belting, it is characterized in that: the bearing unit for copper pipe school circle described above that comprises at least that two levels and/or vertical symmetry install, the school circular groove of two bearings unit relatively and common form one can with the circumferential school circular hole of coupling of the outer surface of described copper pipe.
The copper pipe school round belting of the utility model, it is used for directly offering the school circular groove on the outer ring of 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 the round precision in copper pipe school.
The copper pipe school round belting of the utility model, 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 copper pipe school round belting of the utility model 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.Can successively push copper pipe and eliminate round that gap described above causes.
Description of drawings:
Fig. 1 is the structural representation that traditional school circle wheel coordinates with bearing unit.
Fig. 2 is the structural representation of the bearing unit that is used for copper pipe school circle of the utility model.
Fig. 3 is the plan view of the copper pipe school round belting of the utility model.
Fig. 4 is the A-A cut-away view of Fig. 3.
Embodiment:
As shown in Figure 2, a kind of for the round bearing unit in copper pipe school, this bearing unit comprises outer ring 1, inner ring 2, is located at ball 3, ball retainer and seal ring between inner ring and outer ring.Wherein, the outer surface of described outer ring 1 circumferentially offers along it school circular groove 11 that coordinates with described copper pipe outer surface circular arc, 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 outer ring 1, on each ring raceway, correspondence is provided with a row ball 3, each row ball 3 is kept it and is evenly separated along circumferential by the retainer of a correspondence, described ball 3 and the line of inner ring 2 and outer ring 1 ring raceway point of contact and angle formation one wrapping angle of bearing unit radial plane, this wrapping angle is 25 °.
As 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, the school circular groove 11 of two bearings unit relatively and common form one can with the circumferential school circular hole of coupling of the outer surface of described copper pipe 4.
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 copper pipe school round belting of the utility model, 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 only preferred embodiment of the present utility model, is not to limit the scope that the utility model is implemented, and all equal variation and modifications of doing according to the utility model the scope of the claims all fall into the scope that the utility model patent 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 along it school circular groove that coordinates with described copper pipe outer surface circular arc.
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 outer ring, on each ring raceway, correspondence is provided with a row ball, and the angle of the line of described ball and inner ring and outer ring ring raceway point of contact and bearing unit radial plane forms 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 the described bearing unit for copper pipe school circle of claim 1 to 5 any one that two levels and/or vertical symmetry install, the school circular groove of two bearings unit relatively and common form one can with the circumferential school circular hole of coupling of the outer surface of described copper pipe.
7. a kind of copper pipe according to claim 6 school round belting 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681748 CN203009592U (en) | 2012-12-10 | 2012-12-10 | Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681748 CN203009592U (en) | 2012-12-10 | 2012-12-10 | Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009592U true CN203009592U (en) | 2013-06-19 |
Family
ID=48601189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220681748 Withdrawn - After Issue CN203009592U (en) | 2012-12-10 | 2012-12-10 | Roundness correction bearing unit for copper pipes and copper pipe roundness correcting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996648A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Bearing unit used for copper pipe circle checking and applied copper pipe circle checking device thereof |
| CN107537885A (en) * | 2017-10-11 | 2018-01-05 | 湘潭华进科技股份有限公司 | A kind of metal pipe material multifunctional intellectual school shape dress is standby |
| CN109261753A (en) * | 2018-09-26 | 2019-01-25 | 瑞安市任想科技有限责任公司 | A kind of rounding device for metal tube processing |
-
2012
- 2012-12-10 CN CN 201220681748 patent/CN203009592U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996648A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Bearing unit used for copper pipe circle checking and applied copper pipe circle checking device thereof |
| CN102996648B (en) * | 2012-12-10 | 2016-03-23 | 中山市盈科轴承制造有限公司 | The copper pipe circle device of a kind of bearing unit for copper pipe circle and application thereof |
| CN107537885A (en) * | 2017-10-11 | 2018-01-05 | 湘潭华进科技股份有限公司 | A kind of metal pipe material multifunctional intellectual school shape dress is standby |
| CN109261753A (en) * | 2018-09-26 | 2019-01-25 | 瑞安市任想科技有限责任公司 | A kind of rounding device for metal tube processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |