CN205797991U - A kind of short-stress path two horizontal skew rolling mill of roller - Google Patents
A kind of short-stress path two horizontal skew rolling mill of roller Download PDFInfo
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- CN205797991U CN205797991U CN201620627010.2U CN201620627010U CN205797991U CN 205797991 U CN205797991 U CN 205797991U CN 201620627010 U CN201620627010 U CN 201620627010U CN 205797991 U CN205797991 U CN 205797991U
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- rotary drum
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Abstract
A kind of short-stress path two horizontal skew rolling mill of roller, relates to a kind of rolling mill, particularly relates to a kind of two horizontal skew rolling mills of roller.The horizontal skew rolling mill of short-stress path two roller is compared with the existing two horizontal skew rolling mills of roller, milling train center be located at draught pressure make a concerted effort near, improve rolling-mill housing stress condition, reduce milling train size, shorten milling train line of tension, make mill stand rigidity increase, milling train good stability, improve rolling mill characteristic, improve rolling mill practice condition；Shortening the length of roll-box, roll-box two ends roll bearing load is of substantially equal, and arrival end roll bearing load significantly reduces, and improves the roll bearing life-span；Inlet of rolling mill, outlet pressure leading screw stress are close so that the spring of roll two ends is identical, bounces little, and rolling is stable, and steel billet does not the most go out waste product；Roll change is conducive to change guide plate operation；Finished product is conducive to more successfully to roll out milling train after rolling；Be conducive to milling train to observe and adjust operation；Milling train weight can reduce 10～15%.
Description
Technical field
This utility model relates to a kind of rolling mill, particularly relates to a kind of two horizontal skew rolling mills of roller.
Background technology
The existing two horizontal skew rolling mills of roller, in terms of side view, rotary drum center is in milling train center, and guide plate center-biased is in rolling
Inclined steel billet Way in before machine center.From the roll-box of existing milling train it can be seen that have between roll and port of export bearing block
One longer compensation axle sleeve, this effect compensating axle sleeve compensates the axial dimension of roll-box exactly, makes roll-box bearings at both ends
Seat is symmetrical relative to milling train center.Oblique roller rolling pass shaping area and Runout area are continuous print, and Runout area is positioned at milling train and turns
Drum immediate vicinity, shaping area is before Runout area.Owing to roll-force is concentrated mainly on profiled section, this has resulted in draught pressure conjunction
Power is not in milling train immediate vicinity, and before being in milling train center, this is also that guide plate center-biased is before milling train center
Way in reason partially, guide plate center is basically the position of making a concerted effort of draught pressure.Owing to roll-box two end axles bearing is relative
Asymmetric in guide plate center (draught pressure make a concerted effort center), arrival end roll bearing bears the roll-force of 60～about 70%,
And port of export roll bearing has been subjected only to the roll-force of 30～about 40%, this is the service life causing arrival end roll bearing
Shorter main cause；Because inlet of rolling mill, outlet stress have big difference, milling train stress condition is bad, causes milling train poor stability,
Reduce rolling mill characteristic and rolling mill practice condition；Also creating milling train axial dimension excessive, milling train is observed and is adjusted operation inconvenience, increases
Add weight of equipment.
Summary of the invention
In order to overcome the shortcoming of the existing two horizontal skew rolling mills of roller, this utility model devises a kind of short-stress path two roller and crouches
Formula skew rolling mill, milling train center is located at draught pressure and makes a concerted effort near position, and rotary drum center-biased, in milling train exit position, significantly shortens
The distance compensated between sleeve length and roll-box two bearings seat of roll-box, thus reduce milling train size, improve being subject to of milling train
Power condition and rolling mill practice condition.
The present invention is achieved by the following technical solutions:
A kind of short-stress path two horizontal skew rolling mill of roller, it includes frame 1, rotary drum 2, roll-box 3, guide plate arrangement 4, roll pressure
Lower device 5, roll gigback 6, dip angle adjusting mechanism 7, mechanism for axial adjusting 8, milling train center is located at draught pressure and makes a concerted effort position
Near putting, the rotary drum seat of frame 1 is not or not the center of milling train, but is offset to milling train exit position, the center-biased of rotary drum 2 in
Milling train exit position, the roll mandrel 31 of roll-box 3 shortens near compensation part and the compensation axle sleeve 32 of milling train exit portion, roll
Case 3 port of export bearing block 33 is near roll 34.
Rotary drum seat in described frame 1 includes rotary drum seat 12 and lower rotary drum seat 11, it is possible to the most lower rotary drum seat 11.Frame
On the housing cap of 1 or with upper rotary drum seat 12；Or rotary drum hold down gag is installed, by compressing leading screw 13, locking nut 14, axle sleeve
15, compensate cushion block 16 to form；Or roll-box hold down gag 17 is installed.
Described rotary drum 2 is made up of driving lever 21, lower toxoplasma 22, c-type framework 23, drift 24, upper toxoplasma 25, upper toxoplasma
25, lower toxoplasma 22 is offset on c-type framework 23.
Described rotary drum 2 also can be made up of driving lever 21, lower toxoplasma 22, c-type framework 23, and lower toxoplasma 22 is offset to c-type frame
On frame 23.
Described rotary drum 2 also can be made up of driving lever 21, lower toxoplasma 22, roller case slide plate 26, and lower toxoplasma 22 is offset to roller case
On slide plate 26.
The invention has the beneficial effects as follows, milling train center be located at draught pressure make a concerted effort near, improve rolling-mill housing stress bar
Part, reduces milling train size, shortens milling train line of tension, makes mill stand rigidity increase, and milling train good stability improves milling train
Performance, improves rolling mill practice condition；Shorten the distance of roll-box two end axles bearing, roll-box two ends roll bearing load base
This is equal, and arrival end roll bearing load significantly reduces, and improves the roll bearing life-span, improves roll mandrel stress condition, carries
High roll mandrel rigidity；Inlet of rolling mill, outlet pressure leading screw stress are close so that the spring of roll two ends is identical, bounces little, rolling
Stable, steel billet does not the most go out waste product；Roll change is conducive to change guide plate operation；Finished product is conducive to more successfully to roll out milling train after rolling；Have
It is beneficial to milling train and observes adjustment operation；Milling train weight can reduce 10～15%.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is the A-A sectional view of first embodiment of this utility model；
Fig. 3 is the profile of second embodiment of this utility model；
Fig. 4 is the profile of the 3rd embodiment of this utility model；
Fig. 5 is a kind of existing two roller horizontal skew rolling mill profile；
Fig. 6 is the 3rd embodiment of this utility model and the roll-box of a kind of existing milling train and frame comparison and analysis of stresses
Figure.
1. frame in figure, 2. rotary drum, 3. roll-box, 4. guide plate arrangement, 5. roller biting, 6. roll gigback,
7. dip angle adjusting mechanism, 8. mechanism for axial adjusting, 11. times rotary drum seats, rotary drum seat on 12., 13. clamping screws, 14. locking screws
Mother, 15. female thread axle sleeves, 16. compensate cushion block, 17. roll-box hold down gags, 21. driving levers, 22. times toxoplasmas, 23.C type frame
Frame, 24. drifts, toxoplasma on 25., 26. roller case slide plates, 31. roll mandrels, 32. compensation axle sleeves, 33. port of export bearing blocks, 34.
Roll, 35. arrival end bearing blocks, 51. arrival end pressure leading screws, 52. port of export pressure leading screws, 53. screw boxs.
Detailed description of the invention
In the embodiment shown in fig. 1, describe a kind of short-stress path two horizontal skew rolling mill of roller, it include frame 1, rotary drum 2,
Roll-box 3, guide plate arrangement 4, roller biting 5, roll gigback 6, dip angle adjusting mechanism 7, mechanism for axial adjusting 8.
In shown in Fig. 2 first embodiment, rolling-mill housing 1, with the lower rotary drum seat 11 biased and upper rotary drum seat 12, turns
Drum 2 is assemblied by driving lever 21, lower toxoplasma 22, c-type framework 23, drift 24, upper toxoplasma 25 etc., upper toxoplasma 25, lower bow
Body 22 is offset on c-type framework 23.Roll-box 3 is arranged in the c-type framework 23 of rotary drum 2, the roll mandrel 32 of roll-box 3 and benefit
Repaying axle sleeve 31 to shorten, roll-box 3 port of export bearing block 33 is near roll 34.When needs adjust roll inclination angle, inclination angle can be passed through
Adjusting apparatus 7 push-and-pull driving lever 21 drives rotary drum 2 around rotary drum center steering, adjusts roll inclination angle.
In shown in Fig. 3 second embodiment, rolling-mill housing 1 is pacified with the lower rotary drum seat 11 of biasing, rotary drum hold down gag
Being contained on the lid of frame 1, rotary drum hold down gag includes clamping screw 13, locking nut 14, female thread axle sleeve 15, compensates cushion block
16；Rotary drum 2 is assemblied by driving lever 21, lower toxoplasma 22, c-type framework 23 etc., and lower toxoplasma 22 is offset on c-type framework 23；
Roll-box 3 is arranged in the c-type framework 23 of rotary drum 2.Owing to toxoplasma do not gone up by rotary drum 2, the height of the rolling-mill housing 1 of reduction,
Shorten milling train line of tension.
When needs adjust roll inclination angle, unclamp the rotary drum hold down gag of frame, can be promoted by dip angle regulating device 7 and dial
Bar 21 drives rotary drum 2 around rotary drum center steering, adjusts roll inclination angle, after adjusting, is compressed by the rotary drum hold down gag of frame.
In the shown in Fig. 4 the 3rd embodiment, rolling-mill housing 1 is with the lower rotary drum seat 11 of biasing；Frame 1 is with roll-box
Hold down gag 17；Rotary drum 2 is assemblied by driving lever 21, lower toxoplasma 22, roller case slide plate 26 etc., and lower toxoplasma 22 is offset to roller
On case slide plate 26；Roll-box 3 is arranged on the roller case slide plate 26 of rotary drum 2.
When needs adjust roll inclination angle, unclamp the roll-box hold down gag 17 in frame, dip angle regulating device 7 can be passed through
Promote driving lever 21 to drive rotary drum 2 around rotary drum center steering, adjust roll inclination angle, after adjusting, the roll-box of frame 1 is compressed dress
Put 17 compressions.
Shown in Fig. 5 is a kind of existing two roller horizontal skew rolling mill profile, and its rotary drum centre of gyration is in milling train center.
Compared by Fig. 4 with Ben Tu, it will be evident that new rolling-mill housing 1, the roller case slide plate 26 of rotary drum 2, the axial dimension of roll-box 3,
All much smaller than the existing two horizontal skew rolling mills of roller.
Shown in Fig. 6 is embodiment three and the roll-box of a kind of existing two horizontal skew rolling mills of roller and frame force analysis ratio
Relatively scheme, this figure top half be the roll-box 3 of embodiment three, frame 1, roller biting 5 arrival end pressure leading screw 51,
The port of export pressure leading screw 52, screw box 53, the latter half is the roll-box of a kind of existing skew rolling mill, frame, pressure leading screw, pressure
Lower nut.The difference of the roll-box 3 of new milling train and the roll-box of existing milling train is only in that and compensates axle sleeve 32 and roll mandrel 31
Contraction in length is a lot, two kinds of roll-box length differences 15～20%.From the upper figure in this figure, La=Lb, two rolls
Bearing load F1=F2=0.5*F (F---draught pressure)；From the figure below in this figure, arrival end roll bearing load F1 '
=F*Lb '/(La+Lb '), port of export roll bearing load F2 '=F*La/ (La+Lb '), due to La ＜ Lb, bearing load F1 '
＞ F2 ', existing skew rolling mill arrival end roll bearing bears the roll-force of 60～70%, and port of export roll bearing is subjected only to
30～the roll-force of 40%.
By the upper figure of Fig. 6 it is also seen that new inlet of rolling mill end roll bearing load is respectively by arrival end bearing block 35, entrance
Under side pressure, leading screw 51, screw box 53 are delivered in frame 1, and port of export roll bearing load is respectively by port of export bearing block
33, port of export pressure leading screw 52, screw box 53 are delivered in frame 1.It follows that arrival end pressure leading screw 51 and the port of export
The load of pressure leading screw 52 is of substantially equal, and frame 1 arrival end and the port of export respectively bear the roll-force of about 50%, frame stress
Condition is good, reduces frame arrival end working stress.From Fig. 6 figure below, existing skew rolling mill arrival end pressure leading screw bears
60～the roll-force of 70%, and port of export roll bearing bears the roll-force of 60～70%, its frame arrival end holds accordingly
Being subject to the roll-force of 60～70%, the port of export bears the roll-force of 30～40%, and stress condition is bad, and frame arrival end works
Stress is big, and port of export working stress is little.
Claims (7)
1. the horizontal skew rolling mill of short-stress path two roller, it include frame (1), rotary drum (2), roll-box (3), guide plate arrangement (4),
Roller biting (5), roll gigback (6), dip angle adjusting mechanism (7), mechanism for axial adjusting (8), it is characterised in that machine
The rotary drum seat of frame (1) is not or not the center of milling train, but is offset to milling train exit position, and the center-biased of rotary drum (2) goes out in milling train
Mouth position, roll-box (3) port of export bearing block (33) is near roll (34).
2. a kind of short-stress path two horizontal skew rolling mill of roller as claimed in claim 1, it is characterised in that turning of described frame (1)
Drum seat includes rotary drum seat (12) and lower rotary drum seat (11).
3. a kind of short-stress path two horizontal skew rolling mill of roller as claimed in claim 1, it is characterised in that turning of described frame (1)
The most lower rotary drum seat (11) of drum seat.
4. a kind of short-stress path two horizontal skew rolling mill of roller as described in claim 1 or 3, it is characterised in that in described frame (1)
With rotary drum hold down gag, it is made up of compression leading screw (13), locking nut (14), axle sleeve (15), compensation cushion block (16).
5. the short-stress path two horizontal skew rolling mill of roller as claimed in claim 1 or 2 a kind of, it is characterised in that described rotary drum (2) by
Driving lever (21), lower toxoplasma (22), c-type framework (23), drift (24), upper toxoplasma (25) form, upper toxoplasma (25), lower bow
Body (22) is offset on c-type framework (23).
6. a kind of short-stress path two horizontal skew rolling mill of roller as described in claim 1 or 3, it is characterised in that described rotary drum (2) by
Driving lever (21), lower toxoplasma (22), c-type framework (23) form, and lower toxoplasma (22) is offset on c-type framework (23).
7. a kind of short-stress path two horizontal skew rolling mill of roller as described in claim 1 or 3, it is characterised in that described rotary drum (2) by
Driving lever (21), lower toxoplasma (22), roller case slide plate (26) form, and lower toxoplasma (22) is offset on roller case slide plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620627010.2U CN205797991U (en) | 2016-06-16 | 2016-06-16 | A kind of short-stress path two horizontal skew rolling mill of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620627010.2U CN205797991U (en) | 2016-06-16 | 2016-06-16 | A kind of short-stress path two horizontal skew rolling mill of roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205797991U true CN205797991U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620627010.2U Active CN205797991U (en) | 2016-06-16 | 2016-06-16 | A kind of short-stress path two horizontal skew rolling mill of roller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825106A (en) * | 2017-02-22 | 2017-06-13 | 长葛市鸣机械有限公司 | The technique of thin-walled hot rolled seamless steel tube in a kind of double-core axle two-roller skew-rolling production |
| CN109500087A (en) * | 2018-12-18 | 2019-03-22 | 天津市中重科技工程有限公司 | Edger roll assembling window polishing device when universal mill form becomes duo mill form |
| CN110153339A (en) * | 2019-06-20 | 2019-08-23 | 北京科技大学 | A kind of double rotary shaft suspension arm formula skew rolling mills |
| CN110193516A (en) * | 2019-06-20 | 2019-09-03 | 北京科技大学 | A kind of double rotary shaft skew rolling mills |
| CN114798718A (en) * | 2022-03-11 | 2022-07-29 | 北京科技大学 | Inclined type precise wedge cross rolling forming device |
-
2016
- 2016-06-16 CN CN201620627010.2U patent/CN205797991U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825106A (en) * | 2017-02-22 | 2017-06-13 | 长葛市鸣机械有限公司 | The technique of thin-walled hot rolled seamless steel tube in a kind of double-core axle two-roller skew-rolling production |
| CN109500087A (en) * | 2018-12-18 | 2019-03-22 | 天津市中重科技工程有限公司 | Edger roll assembling window polishing device when universal mill form becomes duo mill form |
| CN109500087B (en) * | 2018-12-18 | 2023-11-17 | 中重科技(天津)股份有限公司 | Vertical roll assembly window repairing device when universal rolling mill form is changed into two-high mill form |
| CN110153339A (en) * | 2019-06-20 | 2019-08-23 | 北京科技大学 | A kind of double rotary shaft suspension arm formula skew rolling mills |
| CN110193516A (en) * | 2019-06-20 | 2019-09-03 | 北京科技大学 | A kind of double rotary shaft skew rolling mills |
| CN110153339B (en) * | 2019-06-20 | 2020-06-26 | 北京科技大学 | Double-rotating-shaft cantilever type skew rolling mill |
| EP3756785A1 (en) * | 2019-06-20 | 2020-12-30 | University Of Science And Technology Beijing | Skew rolling mill with dual-rotatable-shafts |
| CN114798718A (en) * | 2022-03-11 | 2022-07-29 | 北京科技大学 | Inclined type precise wedge cross rolling forming device |
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| GR01 | Patent grant |