CN202114065U - HC six-roller mill - Google Patents
HC six-roller mill Download PDFInfo
- Publication number
- CN202114065U CN202114065U CN2011200300296U CN201120030029U CN202114065U CN 202114065 U CN202114065 U CN 202114065U CN 2011200300296 U CN2011200300296 U CN 2011200300296U CN 201120030029 U CN201120030029 U CN 201120030029U CN 202114065 U CN202114065 U CN 202114065U
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- Prior art keywords
- roll
- frame
- backing roll
- roller
- calender rolls
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- Expired - Fee Related
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Abstract
The utility model discloses an HC six-roller mill, which includes a frame; upper and lower supporting rollers are provided in the frame; upper and lower working rollers are provided between the upper and lower supporting rollers; an upper middle roller is provided between the upper supporting roller and the upper working roller; a lower middle roller is provided between the lower supporting roller and the lower working roller; bearing seats are respectively provided on the same side of the upper and lower supporting rollers and the upper and lower working rollers; the bearing seats are connected on the frame; a transmission side of the upper supporting roller is connected with a motor output shaft; axial locking devices are provided on operating sides of the upper and lower supporting rollers; cooling lubricating devices are provided on two sides of the upper and lower supporting rollers and the middle rollers; a pressing mechanism and a balancing mechanism are provided on a top of the frame; axial traversing mechanisms are provided on roller necks of the upper and lower middle rollers; and adjusting ends of the pressing mechanism, the balancing mechanism and the traversing mechanism are located on the operating side of the upper supporting roller. By employment of the HC six-roller mill, the supporting rollers are effectively protected so as to achieve a prolonged service life.
Description
Technical field
The utility model relates to the steel rolling equipment field, relates in particular to a kind of HC six-high cluster mill with the backing roll protective device.
Background technology
Plate shape is divided into plate and rolls face shape and plate section configuration in the present strip-mill strip.The former is called glacing flatness or shape wave, and the latter is called strip crown or transverse thickness difference distributes.The glacing flatness of sheet material depend on mill roll-gap when rolling distribution shape and rolling before by the glacing flatness that rolling sheets had and the transverse gage tolerance of sheet material.And middle convexity in the same section of sheet material and edge thinning are the rolling reaction forces that milling train receives when rolling and produce the each several part distortion and cause the roller gap skewness to cause.Therefore, change the transverse shape that is rolled sheet material, at first need improve the distribution shape of work roll gap.
Therefore, adopt the HC six-high cluster mill at present mostly, utilize moving axially of intermediate calender rolls; Regulate and control panel shape, can reduce strip edge thinning amount effectively and defective is split on the limit, can realize under the big pressure rolling; Increase percentage pass reduction; Reduce draught pressure, can be energy-conservation about 20%, improve operating rate of rolling mill.But, also, damage easily just because there is the intermediate calender rolls that can regulate in the HC six-high cluster mill, and the pressure between working roll and backing roll and the centre is very big.
The utility model content
The main purpose of the utility model is to provide a kind of HC six-high cluster mill, effective control panel shape, the service life that can also improve backing roll and working roll.
In order to achieve the above object, the HC six-high cluster mill of the utility model comprises:
A kind of HC six-high cluster mill wherein, comprises the frame frame; Be provided with upper and lower backing roll in the said frame frame, be provided with upper and lower working roll between the said upper and lower backing roll, said going up between backing roll and the top working roll is provided with intermediate calender rolls; Be provided with down intermediate calender rolls between following backing roll and the bottom working roll; The homonymy of upper and lower backing roll and upper and lower working roll is equipped with bearing block, and said bearing block is connected in the frame frame, and the transmission side of last backing roll links to each other with motor output shaft; The fore side of upper and lower backing roll is provided with axial locking device; Be provided with cooling and lubricating device in the said frame frame, said cooling and lubricating device is close to the end of upper and lower backing roll and upper and lower working roll, and the top of frame frame is provided with screw-down and balanced controls; Said upper and lower intermediate calender rolls roll neck is provided with axial transverse-moving mechanism, and the adjustable side of said screw-down, balanced controls and transverse-moving mechanism is positioned at the fore side of backing roll.
Above-mentioned HC six-high cluster mill, said upper and lower working roll roll surface length is upper and lower intermediate calender rolls 90%-95%.
Above-mentioned HC six-high cluster mill, said upper and lower backing roll roll surface length is the 85%-90% of intermediate calender rolls.Be preferably the 88%-93% of upper and lower intermediate calender rolls.
Above-mentioned HC six-high cluster mill, top working roll roll change automatic clutch pin is installed on the bottom working roll bearing block.
Above-mentioned HC six-high cluster mill, wherein, said upper and lower intermediate calender rolls roll surface both sides are provided with the shoulder of taper seat.
Above-mentioned HC six-high cluster mill, said transverse-moving mechanism can be worm-and-wheel gear.
Above-mentioned HC six-high cluster mill, wherein, said transverse-moving mechanism can be hydraulic mechanism.
Owing to have said structure, the utility model is compared prior art and is had the following advantages:
1, the utility model HC six-high cluster mill, the both sides of backing roll are provided with cooling and lubricating device, reduce working loss, have improved service life.
2, the utility model HC six-high cluster mill, the end of backing roll is provided with axial locking device, prevents axial float, has improved plate shape control ability.
Description of drawings
Fig. 1 is the structural representation of the roll of the utility model embodiment.
Fig. 2 is the overall structure sketch map of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Like Fig. 1, shown in 2; The disclosed HC six-high cluster mill of the preferred embodiment of the utility model comprises a frame frame; Be fixed with backing roll 1 in the frame frame, following backing roll 8 is provided with intermediate calender rolls 3, following intermediate calender rolls 7 between last backing roll 1 and the following backing roll 8; Said going up between intermediate calender rolls 3 and the following intermediate calender rolls 7 is provided with top working roll 4, bottom working roll 5.Last backing roll 1, down backing roll 8, go up intermediate calender rolls 3, the homonymy of intermediate calender rolls 7, top working roll 4 and bottom working roll 5 down; The preferable bearing block that all is equipped with in both sides; Said frame frame is provided with sliding tray, and said bearing block is located in the sliding tray on the frame frame, forms with frame to be slidingly matched; The roll change automatic clutch pin of top working roll is installed on the bearing block of bottom working roll; Be provided with cooling and lubricating device in the said frame frame, said cooling and lubricating device is close to the end of upper and lower backing roll and upper and lower working roll, and the fore side of said upper and lower backing roll is provided with axial locking device.
Preferable support, spray beam and the cylinder that connects successively that comprise of described cooling and lubricating device prevents that backing roll and working roll temperature when work is too high, improves service life.
Preferable hydraulic cylinder, locking pin, support and the sensor that connects successively that comprise of said axial locking device; Said axial locking device prevents the axial float of backing roll; Improve plate shape control accuracy, and prevent that back-up roll from damaging to play, further improves service life.
The end outside at the frame frame is provided with motor, and said motor is connected in reductor through shaft coupling, and the output shaft of said reductor is connected with an end of last backing roll 1, and this end of said backing roll 1 is a driving end, and an other end is the operating side.
The side that last intermediate calender rolls, following intermediate calender rolls are positioned at the operating side is provided with transverse-moving mechanism; The preferable worm gear that comprises of said transverse-moving mechanism, with the corresponding worm screw of this worm gear, said worm screw is located on the sidewall of frame frame; Said worm gear and worm engaging; The end of worm screw is provided with reductor, and this reductor is fixed on the frame frame through the reductor support, and its output shaft is connected with worm screw through shaft coupling.When the HC six-high cluster mill of this structure moves; Can drive worm screw through reductor rotates; Worm screw drives the worm gear be engaged with and rotates, drive simultaneously go up intermediate calender rolls, down intermediate calender rolls about laterally move, thereby the roll gap between adjustment top working roll 4 and the bottom working roll 5; Improve plate shape control ability, reduce edge fault.This transverse-moving mechanism is preferable can also to adopt plunger-type cylinder mechanism, drives laterally moving of intermediate calender rolls 4, following intermediate calender rolls 5.
The top working roll 4 of the utility model HC six-high cluster mill of said structure and the preferable 90%-95% that is set to the roll surface length of intermediate calender rolls 3, following intermediate calender rolls 7 of the roll surface length of bottom working roll 5; The best is 93%; Guarantee effectively to adjust the working roll roll gap; Under the prerequisite of control panel shape, reduce bad contact.And said upper and lower backing roll roll surface length is the 85%-90% of intermediate calender rolls, reduces the stress damage between backing roll and the intermediate calender rolls.Can also be with lengthening roll surface length; For example can make roll surface length is that the upper and lower backing roll of 850mm adds and grows to 920mm; Roll surface length is that the upper and lower intermediate calender rolls of 950mm adds and grows to 1000mm, and roll surface length is that the upper and lower working roll of 900mm adds and grows to 1050mm, to roll out wideer band steel.
Preferable, last intermediate calender rolls 3, the shape of intermediate calender rolls 7 can comprise a cylinder roll surface down, and the two ends of said cylinder roll surface extend outward the shoulder 2,6 of taper seat, and said shoulder 2,6 is connected with roll neck.Said shoulder 2,6 inclined-planes are preferable to be 20-35 ° with horizontal line roll surface, is more preferred from 30 °.Preferable on the said shoulder 2,6 a protection portion can also be set, said protection portion is processed by stiff materials, and the inner surface of said protection portion matches with the shape of the outer surface of shoulder 2,6, and its outer surface is parallel with the horizontal plane of roll surface; The outer surface of protection portion is preferable also to be 10-20 ° with roll surface, is preferably 15 °.
The top of frame frame is provided with screw-down, and said screw-down comprises two hydraulic cylinder for reduction system, and an end of these two hydraulic cylinder for reduction system is fixed on the frame frame; The other end contacts with the bearing block at last backing roll 1 two ends respectively, through depressing said two hydraulic cylinder for reduction system, the roll gap between scalable top working roll, the bottom working roll; Further improve plate shape control ability; Can also on the frame frame, balanced controls be set, the pressure of balance screw-down is delivered on the backing roll equably.
The HC six-high cluster mill of said structure; The intermediate calender rolls stressing conditions is as shown in Figure 1, can be after working roll uses 1～2 order of classes or grades at school, backing roll to use 20～30 order of classes or grades at school, before fatigue rupture takes place; Exchange driving end and operating side end positions, make the position that exists stress to concentrate obtain conversion.Through working roll and the conversion of backing roll end positions; Originally stress concentrates the internal stress at position to be able to alleviate and discharge; Originally stressed position mild and that do not have stress to concentrate is transformed into bears big pressure and the position that exists stress to concentrate; Give full play to the potential of working roll and backing roll, improved the service life of working roll and backing roll.
Claims (6)
1. a HC six-high cluster mill is characterized in that: comprise the frame frame, be provided with upper and lower backing roll in the said frame frame; Be provided with upper and lower working roll between the said upper and lower backing roll; Said going up between backing roll and the top working roll is provided with intermediate calender rolls, is provided with down intermediate calender rolls between following backing roll and the bottom working roll, and the homonymy of upper and lower backing roll and upper and lower working roll is equipped with bearing block; Said bearing block is connected in the frame frame; The transmission side of last backing roll links to each other with motor output shaft, and the fore side of upper and lower backing roll is provided with axial locking device, is provided with cooling and lubricating device in the said frame frame; Said cooling and lubricating device is close to the end of upper and lower backing roll and upper and lower working roll; The top of frame frame is provided with screw-down and balanced controls, and the roll neck of said upper and lower intermediate calender rolls is provided with axial transverse-moving mechanism, and the adjustable side of said screw-down, balanced controls and transverse-moving mechanism is positioned at the fore side of backing roll.
2. HC six-high cluster mill according to claim 1 is characterized in that: the roll surface length of said upper and lower backing roll is the 85%-90% of upper and lower intermediate calender rolls.
3. HC six-high cluster mill according to claim 1 is characterized in that: the roll surface width of said upper and lower backing roll is the 88%-93% of upper and lower intermediate calender rolls.
4. HC six-high cluster mill according to claim 1 is characterized in that: the roll change automatic clutch pin of said top working roll is installed on the bearing block of bottom working roll.
5. HC six-high cluster mill according to claim 1 is characterized in that: said transverse-moving mechanism is a worm-and-wheel gear.
6. HC six-high cluster mill according to claim 1 is characterized in that: said transverse-moving mechanism is a hydraulic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200300296U CN202114065U (en) | 2011-01-28 | 2011-01-28 | HC six-roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200300296U CN202114065U (en) | 2011-01-28 | 2011-01-28 | HC six-roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114065U true CN202114065U (en) | 2012-01-18 |
Family
ID=45455163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200300296U Expired - Fee Related CN202114065U (en) | 2011-01-28 | 2011-01-28 | HC six-roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785541A (en) * | 2015-03-27 | 2015-07-22 | 中冶南方工程技术有限公司 | Segmentation compression roller type tensile stress distribution control device |
| CN108361274A (en) * | 2018-04-09 | 2018-08-03 | 济南德冠包装材料有限公司 | A kind of roller device that flexible deformation is controllable |
-
2011
- 2011-01-28 CN CN2011200300296U patent/CN202114065U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785541A (en) * | 2015-03-27 | 2015-07-22 | 中冶南方工程技术有限公司 | Segmentation compression roller type tensile stress distribution control device |
| CN104785541B (en) * | 2015-03-27 | 2017-03-01 | 中冶南方工程技术有限公司 | Segmentation roller tensile stress DCU distribution control unit |
| CN108361274A (en) * | 2018-04-09 | 2018-08-03 | 济南德冠包装材料有限公司 | A kind of roller device that flexible deformation is controllable |
| CN108361274B (en) * | 2018-04-09 | 2023-10-20 | 济南德冠包装材料有限公司 | Roller device with controllable flexible deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20130128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |