CN104525586B - A kind of squeeze roll - Google Patents
A kind of squeeze roll Download PDFInfo
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- CN104525586B CN104525586B CN201410631763.6A CN201410631763A CN104525586B CN 104525586 B CN104525586 B CN 104525586B CN 201410631763 A CN201410631763 A CN 201410631763A CN 104525586 B CN104525586 B CN 104525586B
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- roll
- spacer sleeve
- bearing
- mandrel
- transparent cover
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Abstract
The invention discloses a kind of squeeze roll, comprise the body of roll being sleeved on mandrel, body of roll two ends respectively by a bearing fixedly sleeved with mandrel together with, each bearing outer face is provided with spacer sleeve and transparent cover, spacer sleeve the inner and bearing inner race apical grafting, and spacer sleeve inner circle is sleeved on mandrel circumference, transparent cover outer face is provided with back-up ring, back-up ring inserts body of roll inwall, and back-up ring is fixed on transparent cover in the body of roll, and bearing is compressed; Between transparent cover inner periphery and spacer sleeve excircle, be provided with outside framework oil seal. Squeeze roll of the present invention, the whole body of roll has excellent wearability, good anti-strip, impact resistance and anti-accident ability, the life-span of having improved greatly the whole body of roll; To be that the whole body of roll is inner adopt new sealed transmission structure for next, stoped entering of emulsion, and oil-air lubrication can better be played a role, and created good working environment to bearing, being largely increased of the service life of bearing.
Description
Technical field
The invention belongs to metallurgy rolling equipment technical field, relate to a kind of squeeze roll.
Background technology
The today day by day increasing in cold-strip steel output, user is wanting product mechanical property not onlyAsk and improve constantly, the surface quality of product has also been proposed to new requirement. Owing to rolling unit speedRaising, emulsification liquid measure constantly increases, and makes the removing of belt steel surface emulsion become very difficult.It is an important indicator of belt steel product quality with the residual quantity of steel emulsion. Emulsion residue amountLarge band steel, after annealing in process, can produce and be charred the corrugated vestige of shape, has a strong impact on stripQuality.
The method that emulsion is removed at present has three kinds: 1) stop, use splash guard by milling trainInside is isolated from the outside, and avoids emulsion to be splashed on steel plate as far as possible; 2) purge, utilize and pressContracting air purges belt steel surface emulsion clean; 3) extract, band steel will through squeeze rollEmulsion squeezes out. Above three kinds of methods are used in conjunction with according to actual conditions. The method difference coordinating,The effect producing is also different. Through constantly improving, purge, stop, extract and combineScheme is widely adopted in the cold rolling unit of Modern High-Speed. Squeeze roll is as emulsion cleaning schemeIn critical component, also there is the effect of stabilising strip in the operation of rolling, so its performance is goodThe length bad and life-span will directly affect product quality and the output of whole cold rolling unit.
In use there is following problem in existing squeeze roll: the one, the squeeze roll body of roll withStrip side portion contact portion chromium coating easily comes off; The 2nd, lead because emulsion enters squeeze roll insideCause bearing lubrication and lost efficacy, bearing is fragile. The existence of above problem all causes the life-span of squeeze rollDegradation needs overhaul frequently and change in the operation of rolling, has restricted whole unitProduction efficiency, also increased user's production cost.
Summary of the invention
The object of this invention is to provide a kind of squeeze roll, solved in prior art except oiling roller due toStructure and lubricated unreasonable, causes roll surface easily to come off and bearing is fragile, production efficiency is lowProblem.
The technical solution adopted in the present invention is that a kind of squeeze roll, comprises and being sleeved on mandrelThe body of roll, body of roll two ends respectively by a bearing fixedly sleeved with mandrel together with, each bearingOuter face is provided with spacer sleeve and transparent cover, and spacer sleeve the inner and bearing inner race apical grafting, in spacer sleeveCircle is sleeved on mandrel circumference, and transparent cover outer face is provided with back-up ring, and back-up ring inserts body of roll inwall,Back-up ring is fixed on transparent cover in the body of roll, and bearing is compressed; Transparent cover inner periphery and spacer sleeve cylindricalBetween week, be provided with outside framework oil seal.
Squeeze roll of the present invention, its feature is also:
Mandrel two ends are respectively equipped with axial oil duct and multiple radial direction oil of connection, each spacer sleeveWall on have multiple radial direction oil hole, the radial direction oil in mandrel and the radial direction oil hole of spacer sleeve oneOne corresponding connection;
Or mandrel two ends are provided with the radial direction oil of axial oil duct and connection, and in radial direction oilOuter has oil groove, on each spacer sleeve, is provided with four radial direction oil hole along circumference, these four footpathsTo oilhole and the corresponding connection of oil groove on mandrel.
Spacer sleeve and mandrel contact-making surface and passage place are respectively arranged with sealing ring.
The body of roll adopts roll stell, carries out Quenching Treatment by modified and surface.
The invention has the beneficial effects as follows, be first that roll material is applied on the body of roll, heat treatmentMode adopts first entirety to carry out modifier treatment, and to obtain good toughness, then effects on surface is quenchedFire, to obtain very high hardness, makes the whole body of roll have excellent wearability, good resistingSpalling, impact resistance and anti-accident ability, the life-span of having improved greatly the whole body of roll. ItsInferior is the new sealed transmission structure of the inner employing of the whole body of roll, has stoped entering of emulsion, makesOil-air lubrication can better play a role, and has created good working environment to bearing, solvesThe perishable problem of bearing, being largely increased of the service life of bearing.
Brief description of the drawings
Fig. 1 is the structural representation of squeeze roll of the present invention.
In figure, 1. mandrel, 2. spacer sleeve, 3. sealing ring, 4. bearing, the 5. body of roll, 6. transparent cover,7. reinforced seal, 8. back-up ring, 9. lubricating oil inlet, 10. lubricated oil gas vent.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, the structure of squeeze roll of the present invention is to comprise the roller being sleeved on mandrel 1Body 5, together with the body of roll 5 two ends are fixedly sleeved with mandrel 1 by a bearing 4 respectively, oftenIndividual bearing 4 outer faces are provided with spacer sleeve 2 and transparent cover 6, in spacer sleeve 2 the inners and bearing 4Circle apical grafting, spacer sleeve 2 inner circles are sleeved on mandrel 1 circumference, and transparent cover 6 outer faces are provided with gearCircle 8, back-up ring 8 inserts the body of roll 5 inwalls, and back-up ring 8 is fixed on transparent cover 6 in the body of roll 5, andBearing 4 is compressed, and back-up ring 8 plays the effect that restriction transparent cover 6 and bearing 4 move vertically;Between transparent cover 6 inner peripherys and spacer sleeve 2 excircles, be provided with outside framework oil seal 7, outside framework oil seal 7For the sealing between transparent cover 6 and spacer sleeve 2;
Mandrel 1 two ends are respectively equipped with axial oil duct and multiple radial direction oil of connection, 1 liang of mandrelThe axial oil duct of end, is called lubricating oil inlet 9 in entrance location, is called lubricated in exit positionOil gas vent 10, has multiple radial direction oil hole on the wall of each spacer sleeve 2, in mandrel 1The radial direction oil hole corresponding connection one by one of radial direction oil and spacer sleeve 2; Spacer sleeve 2 connects with mandrel 1The face of touching and passage place are respectively arranged with sealing ring 3.
Sealing ring 3 can also comprise that O type circle and back-up ring combine.
The preferred self-aligning roller bearing of bearing 4.
Outside framework oil seal 7 preferred cross-sections are the skeleton of C type structure.
Operation principle of the present invention is,
In Fig. 1, the direction of arrow is that oil-air lubrication flows to, and mandrel 1 two ends are provided with axial oil duct and companyLogical radial direction oil, and have oil groove in radial direction oil outer, on each spacer sleeve 2 along circumferenceBe provided with four radial direction oil hole, four radial direction oil hole and the corresponding connection of oil groove on mandrel 1. ThisSample oil-air lubrication gas can enter by the lubricating oil inlet 9 of roller mandrel 1 one end, through being somebody's turn to doAfter end spacer sleeve 2 and bearing 4, enter other end bearing 4 and spacer sleeve 2, realize all and lubricating,Finally discharge from the lubricated oil gas vent 10 of mandrel 1 other end, lubricated oil gas vent 10 externally alsoCan install and be communicated with blast pipe or air bleeding valve.
Spacer sleeve 2 inwalls are equipped with sealing ring 3, and outside framework oil seal 7 is housed in transparent cover 6, this knotStructure can make an enclosure space of the inner formation of roller, can prevent entering of emulsion, can prevent againOnly oil leak, obtain two bearings 4 good lubricated, improved two bearings 4Working environment, has extended service life.
The body of roll 5 adopts roll stell, carries out Quenching Treatment by modified and surface, can obtain fineToughness and very high case hardness. Make so the whole body of roll wearability, anti-strip,Impact resistance and anti-accident ability are greatly improved, and the life-span of the whole body of roll has obtained effectivelyProlongation, for user has saved production cost.
Squeeze roll structure of the present invention, after certain cold rolling mill is on probation, has ensured that milling train is designedAt a high speed lower stable operation, result of use is good, for user saves production cost, has improved productionEfficiency. The present invention also can transform to existing squeeze roll and except oiling roller, also can be other enterprisesIndustry solves similar problem and offers reference.
Claims (3)
1. a squeeze roll, is characterized in that: comprise the body of roll (5) being sleeved on mandrel (1), the body of roll(5) two ends respectively by a bearing (4) fixedly sleeved with mandrel (1) together with, each bearing(4) outer face is provided with spacer sleeve (2) and transparent cover (6), spacer sleeve (2) the inner and bearing (4)Inner ring apical grafting, spacer sleeve (2) inner circle is sleeved on mandrel (1) circumference, and establish transparent cover (6) outer faceBe equipped with back-up ring (8), back-up ring (8) inserts the body of roll (5) inwall, and back-up ring (8) is fixing by transparent cover (6)In the body of roll (5), and bearing (4) is compressed; Transparent cover (6) inner periphery and spacer sleeve (2) cylindricalBetween week, be provided with outside framework oil seal (7);
Described mandrel (1) two ends are respectively equipped with axial oil duct and multiple radial direction oil of connection, eachOn the wall of spacer sleeve (2), have multiple radial direction oil hole, the radial direction oil in mandrel (1) and spacer sleeve (2)Radial direction oil hole corresponding connection one by one; Or mandrel (1) two ends are provided with the footpath of axial oil duct and connectionTo oil duct, and have oil groove in radial direction oil outer, each spacer sleeve (2) is upper is provided with four along circumferenceIndividual radial direction oil hole, these four radial direction oil hole and the corresponding connection of oil groove on mandrel (1).
2. squeeze roll according to claim 1, is characterized in that: described spacer sleeve (2) and coreAxle (1) contact-making surface and passage place are respectively arranged with sealing ring (3).
3. squeeze roll according to claim 1, is characterized in that: the described body of roll (5) adopts and rollsRoller steel, carries out Quenching Treatment by modified and surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631763.6A CN104525586B (en) | 2014-11-11 | 2014-11-11 | A kind of squeeze roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631763.6A CN104525586B (en) | 2014-11-11 | 2014-11-11 | A kind of squeeze roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104525586A CN104525586A (en) | 2015-04-22 |
| CN104525586B true CN104525586B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410631763.6A Active CN104525586B (en) | 2014-11-11 | 2014-11-11 | A kind of squeeze roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104525586B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479778A (en) * | 2019-07-09 | 2019-11-22 | 马鞍山市天鑫辊业有限责任公司 | Wear-resisting squeeze roller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29620133U1 (en) * | 1996-11-19 | 1997-01-09 | Anton Steinecker Maschinenfabrik GmbH, 85356 Freising | Grist mill |
| CN201425416Y (en) * | 2009-05-22 | 2010-03-17 | 宝山钢铁股份有限公司 | Squeezing roll with bearing sealing device |
| CN201552173U (en) * | 2009-10-29 | 2010-08-18 | 郑州市华驰薄板科技有限公司 | Cold rolling strip steel production line, squeezer and squeeze roll thereof |
| CN202264917U (en) * | 2011-09-30 | 2012-06-06 | 山东碧海包装材料有限公司 | Hydrogen peroxide extrusion roller device for filling machine |
| CN203770637U (en) * | 2013-11-28 | 2014-08-13 | 深圳市嘉德时代密封技术有限公司 | Water seal |
| CN203770417U (en) * | 2013-12-28 | 2014-08-13 | 瓦房店轴承集团有限责任公司 | Sealed four-row tapered roller bearing |
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2014
- 2014-11-11 CN CN201410631763.6A patent/CN104525586B/en active Active
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| Publication number | Publication date |
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| CN104525586A (en) | 2015-04-22 |
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