CN101085453A - Sealing device for finishing mill roller box - Google Patents
Sealing device for finishing mill roller box Download PDFInfo
- Publication number
- CN101085453A CN101085453A CN 200710023905 CN200710023905A CN101085453A CN 101085453 A CN101085453 A CN 101085453A CN 200710023905 CN200710023905 CN 200710023905 CN 200710023905 A CN200710023905 A CN 200710023905A CN 101085453 A CN101085453 A CN 101085453A
- Authority
- CN
- China
- Prior art keywords
- ring
- panel
- small panel
- small
- collars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The fine seal device for precision rolling case comprises the tapering sleeve outside the rolling shaft, roll ring, protective cover, slide ring with small panel between the roll ring, big panel outside the small panel, O shape seal ring between the big and small panels, K seal between the slide ring and the small panel that has water seal with the roll ring, seal ring between roll ring and the protective cover, through holes interconnected on the big and small panels and connected with the cavity between the through slide ring and the small panel. It can supply pure condensed air to the through hole to prevent the flowing in to the slide ring of the coolant and the oxidized iron powder. It can applies to the precision roll case.
Description
Technical field
The present invention relates to the finishing mill of producing high-speed rod in the steel rolling industry, refer more particularly to the sealing device of finishing mill central roll case.
Background technology
Mm finishing mill unit is the core engine row that high-speed rod is produced, and the quality and the output of controlled rolling finished product wire rod is had crucial effects.Each frame is made up of an awl case and a cover roller case in the finishing mill; roll beaming roller case has adopted contact seal version; its structure mainly comprises referring to shown in Figure 1: big panel 4, small panel 5, slip ring 2, sealing ring 7, collars 6, tapered sleeve 8, roll mandrel 1, water seal 3, the sealing 10 of K type and protective cover 9.During work, slip ring 2, collars 6 and protective cover 9 be along with roll mandrel 1 synchronous high-speed together rotation, thus collars 6 and protective cover 9 the two be in relative static conditions, favorable sealing property.In theory, the lip limit of water seal 3 should be linear with collars 6 and contacts, but owing to make, reasons such as assembling, can't guarantee in actual the use that collars 6 and water seal lip limit keep linear and contact, collars 6 must have certain decrement could guarantee sealing property with water seal lip limit, therefore water seal lip limit and collars 6 are surface contact state when work, when collars 6 high speed rotating, water seal lip limit and collars 6 produce Dry Sliding, make water seal lip limit lose sealing function, so cooling water and iron scale powder just enter into cavity 12 between small panel 5 and the slip ring 2 by the water seal 3 that is worn because of wearing and tearing; Because slip ring 2 along with the rotation of roll mandrel 1 one superhigh speeds, in order to prevent to produce friction between slip ring 2 and the small panel 5, must leave certain clearance between slip ring 2 and the small panel 5.Therefore, after roll cooling water and iron scale powder enter into cavity 12, under the effect of slip ring 2 spin friction power, cooling water and iron scale powder are thrown to slip ring 2 outsides and are formed eddy current, enter slip ring 2 inside by the gap between slip ring 2 and the small panel 5 at last, and then enter into roller case 11 inside.
Mix with lubricating oil because cooling water and iron scale powder enter in the roller case 11, pollution lubricating oil also reduces the lubricating oil quality, and lubricant effect descends, and has quickened the wearing and tearing of bearing, has shortened the drain period simultaneously, strengthens lubrication oil consumption.In addition, cooling water and iron scale powder can generate greasy filth in lubricating oil, polluted whole lubricating system, and the blocking filter filter core reduces filter core service life.In addition, because sealing effectiveness is bad, there is certain race oil phenomenon in roller case 11, and equipment operational failure incidence is very high, and maintenance and maintenance are frequent.
Summary of the invention
Technical problem to be solved by this invention is: the sealing device that the better finishing mill roller box of a kind of sealing property will be provided.
For solving the problems of the technologies described above; the technical solution used in the present invention is: the sealing device of finishing mill roller box; comprise: the tapered sleeve that is arranged on the roll mandrel outside; collars; protective cover; slip ring; be provided with small panel between slip ring and the collars; the small panel arranged outside has big panel; be provided with the O RunddichtringO between big panel and the small panel; be provided with the sealing of K type between slip ring and the small panel; be provided with water seal between small panel and the collars; also be provided with sealing ring between collars and the protective cover; be characterized in: big panel and small panel are provided with the passage of mutual perforation, and this passage and slip ring communicate with cavity between the small panel.
The invention has the beneficial effects as follows: in actual use, fed clean compressed air in the passage in the past, and form certain air pressure, under the water seal abrasion condition, utilize the air-flow that continues, have certain air pressure to stop cooling water and iron scale powder to enter into slip ring inside, thereby guarantee the sealing effectiveness of pair roller case.
Description of drawings
Fig. 1 is the structural representation of the sealing device of the finishing mill roller box described in the background technology;
Fig. 2 is the structural representation of the sealing device of finishing mill roller box of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 2; the sealing device of finishing mill roller box of the present invention; comprise: the tapered sleeve 8 that is arranged on roll mandrel 1 outside; collars 6; protective cover 9; slip ring 2; be provided with small panel 5 between slip ring 2 and the collars 6; small panel 5 arranged outside have big panel 4; be provided with O RunddichtringO 13 between big panel 4 and the small panel 5; be provided with K type sealing 10 between slip ring 2 and the small panel 5; be provided with water seal 3 between small panel 5 and the collars 6; also be provided with sealing ring 7 between collars 6 and the protective cover 9; be characterized in: big panel 4 and small panel 5 are provided with the passage 14 and 15 of mutual perforation, and this passage 14 and 15 communicates with cavity 12 between the small panel 5 with slip ring 2.
The sealing device of said structure is similar to the operation principle of the sealing device described in the background technology, its difference is: in the course of the work, fed clean compressed air in the passage 14 and 15 in the past, directly enclosed cavity 12 is purged, and form certain air pressure, like this, under the situation of water seal 3 wearing and tearing, utilize the air-flow that continues, have certain air pressure just can effectively stop cooling water and iron scale powder to enter into cavity 12 and slip ring 2 inside, thereby guarantee the sealing effectiveness of pair roller case 11.Use roller box seal device of the present invention in finishing mill, the use amount that can also save lubricating oil prolongs the cleaning frequency and the service life of filter core, and can prolong the service life of water seal and bearing, greatly reduces the rate of breakdown of finishing mill.
Claims (1)
1; the sealing device of finishing mill roller box; comprise: the tapered sleeve (8) that is arranged on roll mandrel (1) outside; collars (6); protective cover (9); slip ring (2); be provided with small panel (5) between slip ring (2) and the collars (6); small panel (5) arranged outside has big panel (4); be provided with O RunddichtringO (13) between big panel (4) and the small panel (5); be provided with K type sealing (10) between slip ring (2) and the small panel (5); be provided with water seal (3) between small panel (5) and the collars (6); also be provided with sealing ring (7) between collars (6) and the protective cover (9); it is characterized in that: big panel (4) and small panel (5) are provided with passage (14) and (15) of mutual perforation, and this passage (14) and (15) communicate with cavity (12) between slip ring (2) and the small panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710023905 CN101085453A (en) | 2007-06-26 | 2007-06-26 | Sealing device for finishing mill roller box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710023905 CN101085453A (en) | 2007-06-26 | 2007-06-26 | Sealing device for finishing mill roller box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101085453A true CN101085453A (en) | 2007-12-12 |
Family
ID=38936724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710023905 Pending CN101085453A (en) | 2007-06-26 | 2007-06-26 | Sealing device for finishing mill roller box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101085453A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455426A (en) * | 2014-12-01 | 2015-03-25 | 江苏永钢集团有限公司 | Novel motor sealing device for idle rolling mill |
| CN105363788A (en) * | 2015-12-17 | 2016-03-02 | 重庆麦拓科技有限公司 | Rolling mill and sealing structure of roller shaft and roller box of rolling mill |
-
2007
- 2007-06-26 CN CN 200710023905 patent/CN101085453A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455426A (en) * | 2014-12-01 | 2015-03-25 | 江苏永钢集团有限公司 | Novel motor sealing device for idle rolling mill |
| CN105363788A (en) * | 2015-12-17 | 2016-03-02 | 重庆麦拓科技有限公司 | Rolling mill and sealing structure of roller shaft and roller box of rolling mill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103286679B (en) | A kind of ultrahigh speed air bearing electric main-shaft | |
| CN104747602B (en) | High-speed lower lubricating device for bearing ring | |
| CN104314983A (en) | Rolling isolation holder | |
| CN101085453A (en) | Sealing device for finishing mill roller box | |
| CN106424146A (en) | Lateral support structure for eighteen-roll mill | |
| CN202833684U (en) | Lubricating and cooling system for bearing bush | |
| CN201082430Y (en) | Sealing device for finishing mill roller case | |
| CN202045157U (en) | Rolling guide groove device for rolled high-speed lines and rod materials | |
| CN104214278B (en) | The lubricated type primary speed-down structure of a kind of vertical type speed reducer (change gear) and a kind of vertical type speed reducer (change gear) | |
| CN2810791Y (en) | Upper flinger of 45degreetop crossing high-speed wire rolling mill | |
| CN206268284U (en) | A kind of adjustable roller bearing retainer | |
| CN205290274U (en) | Mified head | |
| CN103671576A (en) | Spindle-sliding type eccentric sleeve mechanism | |
| CN105253573A (en) | Cone sleeve shaft type lower carrier roller of belt conveyor | |
| CN202185456U (en) | Internally circulated and thin-oil lubricated drum gear coupling | |
| CN200993167Y (en) | Cage type retainer for roller cross linear guide pair | |
| CN206988409U (en) | A kind of bearing chamber of tandem rolling tube machine high-speed shaft of speed reducer | |
| CN203335644U (en) | Carding roller bearing | |
| CN1475679A (en) | Protectire frame less roller bearing having sealing cover | |
| CN205064591U (en) | Novel cylindrical roller bearing | |
| CN201228726Y (en) | Backing bearing | |
| CN206988408U (en) | A kind of sliding bearing of tandem rolling tube machine high-speed shaft of speed reducer | |
| CN205173224U (en) | Calender roller is biserial antifriction bearing constructional device for axle journal | |
| CN203655915U (en) | Main shaft sliding type eccentric sleeve mechanism | |
| CN205064350U (en) | Oil slinger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |