CN202621560U - Roller with inner-cooling structure - Google Patents
Roller with inner-cooling structure Download PDFInfo
- Publication number
- CN202621560U CN202621560U CN 201220154946 CN201220154946U CN202621560U CN 202621560 U CN202621560 U CN 202621560U CN 201220154946 CN201220154946 CN 201220154946 CN 201220154946 U CN201220154946 U CN 201220154946U CN 202621560 U CN202621560 U CN 202621560U
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- Prior art keywords
- roll
- communicated
- planet
- roll body
- roller
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Abstract
The utility model discloses a roller with an inner-cooling structure. The roller comprises a roller body which is provided with a near end and a far end and comprises a central hole, a core pipe, a plurality of planet holes, a plurality of lateral channels, at least one water inlet arranged along a radial direction and at least one water outlet arranged along the radial direction, wherein the central hole is arranged at the center of the roller body; the core pipe is arranged in the central hole; at least one separating water ring is arranged between an outer wall of the core pipe and the central hole, so that the central hole is separated into at least two sections of annular cavities; the planet holes are uniformly distributed in the roller close to the roller surface and extend along the length direction; the lateral channels are arranged in the positions of the near end and the far end of the roller body, extend along the peripheral direction of the roller body and are used for communicating the end parts of two adjacent planet holes; the water inlet is arranged at the near end of the roller body; one end of the water inlet close to an axis is communicated with the annular cavity at the near end while the other end is communicated with one of the planet holes; the water outlet is arranged at the far end of the roller body; and one end of the water outlet close to the axis is communicated with the annular cavity at the far end while the other end is communicated with one of the planet holes.
Description
Technical field
The utility model relates to a kind of rolling unit parts, relates in particular to a kind of roll.
Background technology
The cooling condition of roll affects wearing and tearing, the fire check of roll to a great extent and peels off situation.At present, the inner inner-cooling structure of the roll of continuous casting billet rolling with liquid core is not seen in report as yet.And the cast aluminium rolling mill roll of association area is employed in roller surfaces boiling water groove usually, forms the roll body inner-cooling structure with the roller shell mode that the water route is closed then; Perhaps only adopt the mode of the logical cooling water of core of the roll to realize the roll cooling.
But said method has certain limitation:
(1) tank of opening on the roller core surface is because of receiving intensity and structural limitations, and its section is narrow and small.Radially the water-in and water-out through hole is also because of the restriction of water reception tank section simultaneously, and diameter is little, therefore very easily stops up.After roll used a period of time, it is obstructed that impurity is prone to make groove in incrustation scale and the water; Radially the water-in and water-out through hole also blocks because of corrosion or foreign matter easily, thereby causes local cooling effect not good, the higher phenomenon of partial rollers surface temperature occurs.Must back off roller shell when serious, the water flowing duct of tank corrosion of pair roller wicking surface and obstruction is cleared up and is dredged, again hot charging again.
(2) cooling-down effect of breaker roll body is not obvious, especially the roll body of major diameter roll.Except surperficial shallow slot be transported to surperficial shallow slot into and out of the water route, the heat of major diameter roll body middle part savings does not have other channels to absorb, thereby causes the cooling-down effect of breaker roll body not obvious.
Summary of the invention
The goal of the invention of the utility model provides a kind of roll that has inner-cooling structure, and this roll has the inner-cooling structure of roll body circulation efficiently, and it not only can keep the interior cooling water channel of roll body unobstructed, can also reduce the mean temperature of roll body.
According to the foregoing invention purpose, the utility model provides a kind of roll that has inner-cooling structure, comprise the roll body, it has a near-end and a far-end, and it comprises:
One centre bore is located at roll body center;
One core pipe is located in the centre bore, is provided with at least one between core tube wall and the centre bore and isolates water ring, and centre bore is divided at least two sections toroidal cavities;
Some planets hole is distributed in the roll near the roll surface position, goes up along its length and extends;
Some lateral access are located at the near-end and the remote location of roll body, circumferentially extend along the roll body, and the end in adjacent two planet holes is connected;
At least one inlet opening that radially is provided with is arranged at the near-end of roll body, and the inlet opening is communicated with the toroidal cavity of near-end near an end in axle center, and the other end is communicated with a planet hole wherein;
At least one apopore that radially is provided with is arranged at the far-end of roll body, and apopore is communicated with the toroidal cavity of far-end near an end in axle center, and the other end is communicated with a planet hole wherein.
In the present technique scheme, cooling water enters in the roll body from an end of core pipe, and enters in the toroidal cavity from the other end of core pipe; Enter into an end in planet hole then from the inlet opening that is communicated with toroidal cavity, flow to the other end in planet hole again from an end in planet hole, flow to the other end in adjacent planet hole again through lateral access, the other end from this planet hole flows to the one of which end again; So repeatedly, behind several planet holes of flowing through, flow out roll body through apopore, toroidal cavity again.
Preferably, in the above-mentioned roll that has an inner-cooling structure, the quantity in planet hole is even number.
Preferably, in the above-mentioned roll that has an inner-cooling structure, the inlet opening is communicated with the planet hole at the upper reaches, and apopore is communicated with the planet hole in downstream.
The described roll that has inner-cooling structure of the utility model has the following advantages:
(1) the described roll of the utility model has two major cycle water routes, and is big into and out of the diameter in water hole and planet hole, thereby guaranteed the unobstructed of the interior cooling water channel of roll body, and improved heat transfer efficiency simultaneously, improved cooling-down effect;
(2) the described roll of the utility model can be provided with a plurality of planets hole, and the planet hole can be evenly distributed on the circumference of roll body, thereby can guarantee that the roll body cools off equably, improves cooling-down effect, and is especially more remarkable to the cooling-down effect of major diameter roll body;
(3) cooling water can shuttle back and forth in the planet hole of axial direction setting back and forth, carry out the cover type water-cooled, thereby breaker roll carries out water-cooled fully, makes the temperature under the roll top layer be unlikely to exceedingly to increase, and then has reduced the adverse effect of heat fatigue breaker roll;
(4) compared with prior art, the described roll of the utility model also has the reliability height, antileaking and the advantage not high to matching requirements.
Description of drawings
Fig. 1 is the described structural representation of roll under a kind of embodiment that has inner-cooling structure of the utility model.
Fig. 2 is the profile of B-B face among Fig. 1.
The specific embodiment
To combine Figure of description and concrete embodiment that the described roll that has inner-cooling structure of the utility model is done further detailed description below.
Fig. 1, Fig. 2 have shown the described roll structure in the present embodiment that has inner-cooling structure of utility model.Fig. 1 is the profile of A-A face among Fig. 2.Fig. 2 is the profile of B-B face among Fig. 1.Like Fig. 1, shown in Figure 2, centre bore 1 is axially set in the core of roll body, and core pipe 2 is located in the centre bore 1, and centre bore 1 is divided into through hole and the toroidal cavity 3 between core pipe 2 outer walls and centre bore 1 inwall in the core pipe 2.It is interior near the roll surface position that some planets hole 4 is distributed in roll, and go up along its length and extend.The quantity in planet hole 4 is even number.Near-end and remote location that some lateral access 5 are located at the roll body circumferentially extend along the roll body, and the end in adjacent two planet holes 4 is connected.Article two, inlet opening 6 and two apopores 7 radially are arranged at the near-end and the far-end of roll body respectively, and inlet opening 6 is communicated with the toroidal cavity 3 of near-end or far-end with the end of apopore 7 near the axle center, and its other end is communicated with planet hole wherein respectively.Be provided with three in the toroidal cavity 3 between inlet opening 6 and apopore 7 and isolate water ring 8, it is divided into four sections with toroidal cavity 3.
Please continue to consult Fig. 1, Fig. 2, be provided with two cooling water branch roads that are centrosymmetric in the roll body, every cooling water branch road includes an inlet opening 6, some planet holes 4, some lateral access 5 and an apopore 7.Inlet opening 6 is communicated with the planet hole 4 at the upper reaches, and apopore 7 is communicated with the planet hole 4 in downstream.When roll during in operation, cooling water enters in the core pipe 2 from water inlet C, and flows in one section toroidal cavity 3 of near-ends from core pipe 2, flows into respectively in two inlet openings 6 from toroidal cavity 3 then, thereby flows into two cooling water branch roads.Cooling water from the inlet opening 6 enter into the planet hole 4 at the upper reaches an end, the end from this planet hole 4 flow to its other end again, flows to the other end in adjacent planet hole 4 again through lateral access 5, the other end from this adjacent planet hole 4 flows to the one of which end again; So repeatedly, flow to the planet hole 4 in downstream after, the apopore 7 that is communicated with it of warp flow in one section toroidal cavity 3 of far-end again, thereby flows out roll body through delivery port D.The effect of isolating water ring 8 is that the toroidal cavity 3 that is communicated with water inlet C is kept apart with the toroidal cavity 3 that is communicated with delivery port D, thereby makes the cooling water must be through two cooling water branch roads outflow roll bodies.
Be noted that the above specific embodiment of enumerating that is merely the utility model, obviously the utility model is not limited to above embodiment, and many similar variations are arranged thereupon.If those skilled in the art from all distortion that the disclosed content of the utility model directly derives or associates, all should belong to the protection domain of the utility model.
Claims (3)
1. a roll that has inner-cooling structure comprises the roll body, and it has a near-end and a far-end, it is characterized in that comprising:
One centre bore is located at roll body center;
One core pipe is located in the centre bore, is provided with at least one between core tube wall and the centre bore and isolates water ring, and centre bore is divided at least two sections toroidal cavities;
Some planets hole is distributed in the roll near the roll surface position, goes up along its length and extends;
Some lateral access are located at the near-end and the remote location of roll body, circumferentially extend along the roll body, and the end in adjacent two planet holes is connected;
At least one inlet opening that radially is provided with is arranged at the near-end of roll body, and the inlet opening is communicated with the toroidal cavity of near-end near an end in axle center, and the other end is communicated with a planet hole wherein;
At least one apopore that radially is provided with is arranged at the far-end of roll body, and apopore is communicated with the toroidal cavity of far-end near an end in axle center, and the other end is communicated with a planet hole wherein.
2. the roll that has inner-cooling structure as claimed in claim 1 is characterized in that: the quantity in said planet hole is even number.
3. the roll that has inner-cooling structure as claimed in claim 2 is characterized in that: said inlet opening is communicated with the planet hole at the upper reaches, and said apopore is communicated with the planet hole in downstream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220154946 CN202621560U (en) | 2012-04-13 | 2012-04-13 | Roller with inner-cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220154946 CN202621560U (en) | 2012-04-13 | 2012-04-13 | Roller with inner-cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621560U true CN202621560U (en) | 2012-12-26 |
Family
ID=47374804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220154946 Expired - Lifetime CN202621560U (en) | 2012-04-13 | 2012-04-13 | Roller with inner-cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202621560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143570A (en) * | 2013-04-03 | 2013-06-12 | 中冶东方工程技术有限公司 | Roller cooling system and cooling control method thereof |
| CN106424239A (en) * | 2016-10-13 | 2017-02-22 | 山东鸿民轧辊模具有限公司 | Split type roller structure with oil grooves |
| CN107583955A (en) * | 2017-08-03 | 2018-01-16 | 肇庆宏旺金属实业有限公司 | A kind of bearing lubrication method, backing support roller and its milling train |
-
2012
- 2012-04-13 CN CN 201220154946 patent/CN202621560U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143570A (en) * | 2013-04-03 | 2013-06-12 | 中冶东方工程技术有限公司 | Roller cooling system and cooling control method thereof |
| CN103143570B (en) * | 2013-04-03 | 2015-06-10 | 中冶东方工程技术有限公司 | Roller cooling system and cooling control method thereof |
| CN106424239A (en) * | 2016-10-13 | 2017-02-22 | 山东鸿民轧辊模具有限公司 | Split type roller structure with oil grooves |
| CN107583955A (en) * | 2017-08-03 | 2018-01-16 | 肇庆宏旺金属实业有限公司 | A kind of bearing lubrication method, backing support roller and its milling train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BERIS ENGINEERING AND RESEARCH CORPORATION QINHUAN Free format text: FORMER OWNER: BERIS ENGINEERING AND RESEARCH CORPORATION SHANGHAI BRANCH Effective date: 20130105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 066000 QINHUANGDAO, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130105 Address after: 066000 No. 47 west section of Hebei Avenue, seaport District, Hebei, Qinhuangdao Patentee after: BERIS Engineering and Research Corporation QHD Branch Address before: 3, building 201203, building 5, building 3000, long East Road, Shanghai, Pudong New Area Patentee before: Shanghai Branch, BERIS Engineering and Research Corporation |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180416 Address after: 066004 No. 71, Longhai Road, Qinhuangdao economic and Technological Development Zone, Hebei Patentee after: MCC Qinhuangdao engineering design & Research Institute Co Ltd Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 47 Patentee before: BERIS Engineering and Research Corporation QHD Branch |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |