CN104722598A - Double-eccentric bulged cross-sliding type wrapper roll for twenty-high rolling mill - Google Patents
Double-eccentric bulged cross-sliding type wrapper roll for twenty-high rolling mill Download PDFInfo
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- CN104722598A CN104722598A CN201510135453.XA CN201510135453A CN104722598A CN 104722598 A CN104722598 A CN 104722598A CN 201510135453 A CN201510135453 A CN 201510135453A CN 104722598 A CN104722598 A CN 104722598A
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Abstract
The invention provides a double-eccentric bulged cross-sliding type wrapper roll for a twenty-high rolling mill. The wrapper roll comprises a mandrel, wherein one end of the mandrel is sleeved with a large-eccentricity shaft sleeve, the other end of the mandrel is sleeved with a small-eccentricity shaft sleeve, a roller which is arranged on the mandrel in a sleeving manner and is provided with a bulge at the middle part is arranged between the large-eccentricity shaft sleeve and the small-eccentricity shaft sleeve, joint bearings are respectively arranged between the inner walls of the large-eccentricity shaft sleeve and the small-eccentricity shaft sleeve and the mandrel, one end, close to the roller, of each joint bearing is provided with a distance ring, one end, away from the roller, of the joint bearing is provided with a pressing buckle, and the joint bearings, the pressing buckles and the distance rings are all arranged on the mandrel in a sleeving manner and can slide on the inner wall of the large-eccentricity shaft sleeve or the small-eccentricity shaft sleeve; and two rolling bearings arranged on the mandrel in a sleeving manner are arranged between the roller and the mandrel, and the two end parts of the mandrel are respectively provided with a nut. By rotating the nuts, the mandrel and the roller are driven to horizontally move so as to adjust the horizontal distance between the wrapper roll and a centerline of a unit, so that the double-eccentric bulged cross-sliding type wrapper roll has the characteristics of wide contact range, various adjustment means, high production efficiency, and the like; and the wrapper roll is simple in structure and easy to operate and maintain.
Description
Technical field
The invention belongs to mill production equipment technical field, be specifically related to a kind of cross sliding type Wrapping Roll of two eccentric band convexity of mill.
Background technology
The product of mill mostly is high accuracy strip in razor-thin, and traditional coiler jaw cannot clamp the band of this specification and batch, therefore mill must matching leather belt rolling-assisting device with the production efficiency of the reeling quality and unit that ensure steel band.Band surrounds on coiler mandrel by helping volume belt by strap rolling-assisting device, and band carries out hightension rolling after rotating a few with reel again.
No matter vertical belt roller aid or all ubiquitous problem of horizontal strap rolling-assisting device effectively cannot adjust belt deviation.Due to the existence of the odjective causes such as machining accuracy, alignment error and uneven wear, the sideslip of the belt of strap rolling-assisting device in use equal various degrees, even can press from both sides belt or band time serious and cause great loss into equipment.In use there is following problem in the Wrapping Roll of current most strap rolling-assisting device:
One, contact area is little.Linear higher pair between belt with Wrapping Roll contacts and causes relative friction forces less than normal, very easily sideslip;
Two, unprotect measure.If belt deviation is not by Timeliness coverage and adjustment, belt to press from both sides rapidly in the equipment of rotation and to be torn rotten.
Three, tuningout means are single.For the belt deviation that different reason and different phase cause, single correction means cannot solve root problem.
Four, task weight is overhauled.Belt deviation seriously adds the task of maintainer, and reduces production capacity and the energy consumption of unit.
Summary of the invention
The object of the invention is to solve existing mill belt and Wrapping Roll contact area is little, unprotect measure, tuningout means are single and maintenance task is heavy problem.
For this reason, the invention provides the cross sliding type Wrapping Roll of the two eccentric band convexity of mill, comprise axle, one end of described axle is arranged with large eccentricity amount axle sleeve, the other end is arranged with small eccentricity amount axle sleeve, be provided with the centre be set in axle between large eccentricity amount axle sleeve and small eccentricity amount axle sleeve and have protruding roller, the inwall of described large eccentricity amount axle sleeve and be equipped with oscillating bearing between the inwall of small eccentricity amount axle sleeve and axle, oscillating bearing is provided with distance collar near roller one end, clinching is provided with away from roller one end, oscillating bearing, clinching, distance collar to be all set in axle and all can to slide along the inwall of large eccentricity amount axle sleeve or small eccentricity amount axle sleeve,
Be provided with two rolling bearings be set in axle between described roller and axle, and the position of rolling bearing is corresponding with two ends of roller respectively;
The both ends of described axle are equipped with nut.
The both ends of described roller are respectively equipped with the rib coaxial with roller, and the external diameter of rib is greater than the external diameter of roller.
Described projection is positioned at the outer surface of roller, and this projection is symmetrical about the radial centre lines of roller.
The offset of described large eccentricity axle sleeve is 15mm ~ 20mm.
The offset of described small eccentricity amount axle sleeve is 3mm ~ 5mm.
Described nut is bronze nut.
Beneficial effect of the present invention: the cross sliding type Wrapping Roll of the two eccentric band convexity of this mill provided by the invention, by rotating large eccentricity axle sleeve or small eccentricity axle sleeve, and coordinate oscillating bearing to adjust the relative angle of Wrapping Roll axis and spool axis, rotating nut and then drive axle and roller to carry out traversing with the lateral separation adjusting Wrapping Roll and unit centre line, have that contact range is large, safe and reliable, the abundant and production efficiency high of adjustment means, and Wrapping Roll structure is simple, convenient operation and maintenance.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cross sliding type Wrapping Roll of the two eccentric band convexity of mill.
Fig. 2 is the assembling schematic diagram of the cross sliding type Wrapping Roll of the two eccentric band convexity of mill.
Description of reference numerals: 1, nut; 2, large eccentricity amount axle sleeve; 3, clinching; 4, oscillating bearing; 5, distance collar; 6, rolling bearing; 7, axle; 8, roller; 801, rib; 802, protruding; 9, support body; 10, small eccentricity amount axle sleeve.
Detailed description of the invention
Further the cross sliding type Wrapping Roll of the two eccentric band convexity of this mill is described in detail below with reference to accompanying drawing.
embodiment 1:
As depicted in figs. 1 and 2, the invention provides the cross sliding type Wrapping Roll of the two eccentric band convexity of mill, comprise axle 7, one end of described axle 7 is arranged with large eccentricity amount axle sleeve 2, the other end is arranged with small eccentricity amount axle sleeve 10, the roller 8 that the centre be set in axle 7 has protruding 802 is provided with between large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10, the inwall of described large eccentricity amount axle sleeve 2 and be equipped with oscillating bearing 4 between the inwall of small eccentricity amount axle sleeve 10 and axle 7, oscillating bearing 4 is provided with distance collar 5 near roller 8 one end, clinching 3 is provided with away from roller 8 one end, oscillating bearing 4, clinching 3, distance collar 5 to be all set in axle 7 and all can to slide along the inwall of large eccentricity amount axle sleeve 2 or small eccentricity amount axle sleeve 10, be provided with two rolling bearings 6 be set in axle 7 between described roller 8 and axle 7, and the position of rolling bearing 6 is corresponding with two ends of roller 8 respectively, the both ends of described axle 7 are equipped with nut 1.
Concrete, roller 8 matches with rolling bearing 6 outer ring, and axle 7 matches with rolling bearing 6 inner ring, and rolling bearing 6 inner ring and oscillating bearing 4 outer ring realize axial location by distance collar 5; Oscillating bearing 4 outer ring coordinates with large eccentricity amount axle sleeve 2 or small eccentricity amount axle sleeve 10, oscillating bearing 4 inner ring is connected with axle 7, oscillating bearing 4 outer ring is fixed vertically by clinching 3, clinching 3 is connected with axle 7 by pin, large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 are all embedded in support body 9, nut 1 is housed outside axle sleeve, and it is secondary that nut 1 and the external screw thread at axle 7 two ends form steep-pitch thread.
Further, axle 7 is processed by forged steel, has great strength and stiffness.The stage casing of axle 7 is connected with roller 8 by rolling bearing 6; Rolling bearing 6 by the compression of distance collar 5 and roller 8 to realize its axial location; The outer ring of oscillating bearing 4 realizes its axial location by the compression of distance collar 5 and clinching 3, the endoporus of the endoporus of clinching 3, the inner ring of oscillating bearing 4, distance collar 5 and the inner ring of rolling bearing 6 all match with axle 7 to merge and realize its respective radial location, and the inner ring of oscillating bearing 4 relatively its outer ring can rotate and the deflection of axis; After adjusting end-play, radially join clinching 3 and axle 7 and make alignment pin, it is traversing that such clinching 3, oscillating bearing 4, distance collar 5, rolling bearing 6, axle 7 and roller 8 are integrally formed the axis that also can realize entirety vertically;
Large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 are all nested in support body 9, the axis of its external diameter is concentric in the horizontal direction, clinching 3, oscillating bearing 4 and distance collar 5 match with the endoporus of large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10, and can slide axially along the endoporus of large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10, and and then drive roller 8 traversing to realize it by axle 7 and rolling bearing 6;
The cylindrical of large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 can relatively rotate along the endoporus that support body 9 matches with it, and the inner ring axis dragging oscillating bearing 4 owing to structure existing eccentric reason its outer coil axis relative deflects, the axis of such axle 7 and roller 8 just achieves deflection, is to be adjustedly fixed on support body 9 with screw by large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 after rational position;
The outside of large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 is pressed with the nut 1 of coarse pitch, tightening nut 1 just applies axial force by the effect center roller 7 of screw thread pair and to impel roller 8 to occur axially traversing, and nut 1 can provide large axial force and then realize its axial location on support body 9 to whole Wrapping Roll.
Operation principle of the present invention is:
Under normally helping volume state, band, belt and roller 8 is overlap along the center line of its respective width, namely there is symmetrical transverse curvature along the width of roller 8 in belt, the increase of contact area and the existence of side-friction make belt on Wrapping Roll surface without relative sliding, not easily sideslip.And the convexity on Wrapping Roll surface is less, can not make belt and band that horizontal plastic bending occurs.
Belt is transmission side along the A in transmission side A(Fig. 1 and Fig. 2 on roller 8, B is fore side) when there is the horizontal sideslip of constant distance (reason may be install to there is lateral deviation or belt along its length uniform wear occurs), first the nut 1 of fore side B is unclamped after parking, again the nut 1 of transmission side A is screwed, roller 8 is traversing and realize the compensation of lateral separation to transmission side A, after having adjusted, the nut 1 of fore side B is screwed, adjust complete; When belt, along fore side B, Similar Problems occurs, vice versa.
(roller axis and spool axis there is larger Plane Angle deviation or serious uneven wear occurs belt along its length) when serious sideslip in the width direction and sideslip trend strengthen gradually is there is in belt on roller 8, stop before belt piles with roller end face, unclamp the nut 1 of transmission side A, large eccentricity amount axle sleeve 2, to suitable phase place, to be then fixed on support body 9 and by the nut 1 of transmission side A with screw and to screw by the large eccentricity amount axle sleeve 2 of rotary drive side A.In like manner, when similar situation is not especially severe, similar adjustment is carried out to the small eccentricity amount axle sleeve 10 of fore side B.
The sideslip that strengthens gradually is in the width direction there is and helps to lick (differential settlement of installation deviation or ground causes roller axis and spool axis to there is certain space angle deviation) when belt in journey exists larger tension fluctuation in belt on roller 8, stop before belt piles with roller end face and unclamp the nut 1 of both sides, rotate large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 to suitable phase place simultaneously, then by screw large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 be fixed on support body 9 and by the nut 1 of both sides and screw.
In fact, belt deviation may certain reason above-mentioned even many reasons jointly cause, so be used alone the sideslip problem that a certain adjustment means thoroughly cannot solve belt, therefore the present invention is the integrated use of various adjustment means in actual use substantially.
In addition, according to the difference of operating mode, the quantity of this Wrapping Roll suitably can be increased to improve the precision of tuningout in the design of rolling-assisting device.
The cross sliding type Wrapping Roll of the two eccentric band convexity of this mill provided by the invention, convexity is had and end establishes the roller of rib to realize belt to contact with the large regions of Wrapping Roll in the middle of adopting, utilize rotary copper nut to drive roller to carry out transverse shifting and can realize the asymmetric transverse curvature of belt along its widthwise central, by rotating large eccentricity axle sleeve or small eccentricity axle sleeve, and coordinate oscillating bearing to adjust the relative angle of Wrapping Roll axis and spool axis, rotating nut and then drive axle and roller to carry out traversing with the lateral separation adjusting Wrapping Roll and unit centre line, there is contact range large, safe and reliable, adjustment means are enriched and production efficiency high, and Wrapping Roll structure is simple, convenient operation and maintenance.
embodiment 2:
On the basis of embodiment 1; especially; in order to prevent belt deviation not by Timeliness coverage and adjustment; belt to press from both sides rapidly in the equipment of rotation and to be torn rotten situation and occur; the invention provides safeguard measure; namely the both ends of described roller 8 are respectively equipped with the rib 801 coaxial with roller 8, and the external diameter of rib 801 is greater than the external diameter of roller 8, effectively prevent belt clamp from entering equipment.
embodiment 3:
On the basis of embodiment 1, further, described protruding 802 outer surfaces being positioned at roller 8, and this projection 802 is symmetrical about the radial centre lines of roller 8, concrete, roller 8 outer surface is certain convexity and this convexity is symmetrical about the center of roller 8 width, and belt, at bending in a certain degree of roller 8 outer surface, increases contact range and side-friction to stop belt deviation.
embodiment 4:
On the basis of embodiment 1, specifically, the offset of described large eccentricity axle sleeve 2 is 15mm ~ 20mm, and the offset of described small eccentricity amount 10 axle sleeve is 3mm ~ 5mm.It needs to be noted, the axis of the external diameter of large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 is concentric in the horizontal direction, roller 8 axis rotates with large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 deflection that certain angle can occur, the angle of deflection is about 0 ° ~ 2 °, can adjust separately large eccentricity amount axle sleeve 2 or small eccentricity amount axle sleeve 10 according to the degree of band sideslip; Further, if adjust separately large eccentricity amount axle sleeve 2 or small eccentricity amount axle sleeve 10, the axis of roller 8 axis and coiler mandrel can form certain Plane Angle; Further, if adjust large eccentricity amount axle sleeve 2 and small eccentricity amount axle sleeve 10 simultaneously, the axis of roller 8 axis and coiler mandrel can form certain space angle.
embodiment 5:
On the basis of embodiment 1, as preferably, described nut 1 is bronze nut.
The cross sliding type Wrapping Roll of the two eccentric band convexity of this mill provided by the invention, convexity is had and end establishes the roller of rib to realize belt to contact with the large regions of Wrapping Roll in the middle of adopting, utilize rotary copper nut to drive roller to carry out transverse shifting and can realize the asymmetric transverse curvature of belt along its widthwise central, by rotating large eccentricity axle sleeve or small eccentricity axle sleeve, and coordinate oscillating bearing to adjust the relative angle of Wrapping Roll axis and spool axis, rotating nut and then drive axle and roller to carry out traversing with the lateral separation adjusting Wrapping Roll and unit centre line, there is contact range large, safe and reliable, adjustment means are enriched and production efficiency high, and Wrapping Roll structure is simple, convenient operation and maintenance.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (6)
1. the cross sliding type Wrapping Roll of the two eccentric band convexity of mill, comprise axle (7), it is characterized in that: one end of described axle (7) is arranged with large eccentricity amount axle sleeve (2), the other end is arranged with small eccentricity amount axle sleeve (10), the roller (8) that there are projection (802) centre be set in axle (7) is provided with between large eccentricity amount axle sleeve (2) and small eccentricity amount axle sleeve (10), the inwall of described large eccentricity amount axle sleeve (2) and be equipped with oscillating bearing (4) between the inwall of small eccentricity amount axle sleeve (10) and axle (7), oscillating bearing (4) is provided with distance collar (5) near roller (8) one end, clinching (3) is provided with away from roller (8) one end, oscillating bearing (4), clinching (3), the axle (7) that is all set in distance collar (5) goes up and all can slide along the inwall of large eccentricity amount axle sleeve (2) or small eccentricity amount axle sleeve (10),
Be provided with two rolling bearings (6) be set in axle (7) between described roller (8) and axle (7), and the position of rolling bearing (6) is corresponding with two ends of roller (8) respectively;
The both ends of described axle (7) are equipped with nut (1).
2. the cross sliding type Wrapping Roll of the two eccentric band convexity of mill as claimed in claim 1, it is characterized in that: the both ends of described roller (8) are respectively equipped with the rib (801) coaxial with roller (8), and the external diameter of rib (801) is greater than the external diameter of roller (8).
3. the cross sliding type Wrapping Roll of the two eccentric band convexity of mill as claimed in claim 1, it is characterized in that: described projection (802) is positioned at the outer surface of roller (8), and this projection (802) is symmetrical about the radial centre lines of roller (8).
4. the cross sliding type Wrapping Roll of the two eccentric band convexity of mill as claimed in claim 1, is characterized in that: the offset that described large eccentricity axle (7) is overlapped is 15mm ~ 20mm.
5. the cross sliding type Wrapping Roll of the two eccentric band convexity of the mill as described in claim 1 or 4, is characterized in that: the offset of described small eccentricity amount axle sleeve (10) is 3mm ~ 5mm.
6. the cross sliding type Wrapping Roll of the two eccentric band convexity of mill as claimed in claim 1, is characterized in that: described nut (1) is bronze nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135453.XA CN104722598B (en) | 2015-03-26 | 2015-03-26 | The cross sliding type Wrapping Roll of the double eccentric band convexity of mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135453.XA CN104722598B (en) | 2015-03-26 | 2015-03-26 | The cross sliding type Wrapping Roll of the double eccentric band convexity of mill |
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| Publication Number | Publication Date |
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| CN104722598A true CN104722598A (en) | 2015-06-24 |
| CN104722598B CN104722598B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510135453.XA Active CN104722598B (en) | 2015-03-26 | 2015-03-26 | The cross sliding type Wrapping Roll of the double eccentric band convexity of mill |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693265A (en) * | 2009-11-05 | 2010-04-14 | 北京科技大学 | Method and device for adjusting strip steel transverse warping by using pinch rolls |
| CN201739454U (en) * | 2010-06-25 | 2011-02-09 | 鞍钢股份有限公司 | Wrapper belt deviation correcting roller |
| CN202290856U (en) * | 2011-10-01 | 2012-07-04 | 中色科技股份有限公司 | Pressure roller device capable of continuously adjusting levelness |
| JP3184707U (en) * | 2013-04-30 | 2013-07-11 | 日鉄住金ハード株式会社 | Pinch roll and wrapper roll |
| CN203470543U (en) * | 2013-08-28 | 2014-03-12 | 中色科技股份有限公司 | Adjusting device for universal roller of auxiliary recoiler |
| CN204564818U (en) * | 2015-03-26 | 2015-08-19 | 中国重型机械研究院股份公司 | The cross sliding type Wrapping Roll of the two eccentric band convexity of mill |
-
2015
- 2015-03-26 CN CN201510135453.XA patent/CN104722598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693265A (en) * | 2009-11-05 | 2010-04-14 | 北京科技大学 | Method and device for adjusting strip steel transverse warping by using pinch rolls |
| CN201739454U (en) * | 2010-06-25 | 2011-02-09 | 鞍钢股份有限公司 | Wrapper belt deviation correcting roller |
| CN202290856U (en) * | 2011-10-01 | 2012-07-04 | 中色科技股份有限公司 | Pressure roller device capable of continuously adjusting levelness |
| JP3184707U (en) * | 2013-04-30 | 2013-07-11 | 日鉄住金ハード株式会社 | Pinch roll and wrapper roll |
| CN203470543U (en) * | 2013-08-28 | 2014-03-12 | 中色科技股份有限公司 | Adjusting device for universal roller of auxiliary recoiler |
| CN204564818U (en) * | 2015-03-26 | 2015-08-19 | 中国重型机械研究院股份公司 | The cross sliding type Wrapping Roll of the two eccentric band convexity of mill |
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| Publication number | Publication date |
|---|---|
| CN104722598B (en) | 2016-09-14 |
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