CN202155371U - Six-roller rolling mill - Google Patents
Six-roller rolling mill Download PDFInfo
- Publication number
- CN202155371U CN202155371U CN2011200300262U CN201120030026U CN202155371U CN 202155371 U CN202155371 U CN 202155371U CN 2011200300262 U CN2011200300262 U CN 2011200300262U CN 201120030026 U CN201120030026 U CN 201120030026U CN 202155371 U CN202155371 U CN 202155371U
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- Prior art keywords
- roll
- calender rolls
- intermediate calender
- roller
- frame
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- Expired - Fee Related
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Abstract
The utility model discloses a six-roller rolling mill which comprises a rack frame, upper and lower support rollers are arranged in the rack frame, upper and lower working rollers are arranged between the upper and lower support rollers, an upper middle roller is arranged between the upper support roller and the upper working roller, a lower middle roller is arranged between the lower support roller and the lower working roller, the same sides of the upper and lower support rollers and the upper and lower working rollers are respectively provided with a bearing block, the bearing block is connected with the rack frame, the drive side of the upper support roller is connected with a motor output shaft, the top of the rack frame is provided with a screwdown and a balance mechanism, the necks of the upper and lower middle rollers are provided with axial shift mechanisms, and the screwdown, the balance mechanism and the adjusting end of the shift mechanism are positioned at the operation side of the upper support roller; the six-roller rolling mill can effectively adjust the roller gaps and control the board shape, and the service life of the middle rollers is prolonged.
Description
Technical field
The utility model relates to the steel rolling equipment field, relates in particular to a kind of six-high cluster mill.
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 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 just because there is the intermediate calender rolls that can regulate in six-high cluster mill, the pressure that bears between the shoulder of working roll and backing roll and the working roll is very big, is easily damaged, thereby needs to be resolved hurrily.
The utility model content
The main purpose of the utility model is to provide a kind of six-high cluster mill, can effectively adjust roll gap, control panel shape, the service life that can also improve intermediate calender rolls.
In order to achieve the above object, the six-high cluster mill of the utility model comprises:
A kind of 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, is 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; 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, and the top of frame frame is provided with screw-down and balanced controls; 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 back shaft.
Above-mentioned six-high cluster mill, said upper and lower working roll roll surface length is the 90%-95% of upper and lower intermediate calender rolls.
Above-mentioned six-high cluster mill, said upper and lower backing roll roll surface length is the 85%-90% of intermediate calender rolls.
Above-mentioned 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 six-high cluster mill, wherein, said transverse-moving mechanism is a worm-and-wheel gear.
Above-mentioned six-high cluster mill, wherein, said transverse-moving mechanism is a hydraulic mechanism.
Owing to have said structure, the utility model is compared prior art and is had the following advantages:
1, the utility model six-high cluster mill, by the backing roll transmission, so the roll gap of working roll can be littler, can adapt to thinner belt steel rolling.
2, the utility model six-high cluster mill because the frame frame is provided with balanced controls, can effectively disperse the pressure of intermediate calender rolls, improves the service life of intermediate calender rolls.
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 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 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 an output, 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 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 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 92%; 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 six-high cluster mill intermediate calender rolls stressing conditions of said structure is as shown in Figure 1; Can be after upper and lower intermediate calender rolls uses 6～8 order of classes or grades at school; Before the intermediate calender rolls generation fatigue rupture, can exchange last intermediate calender rolls and following intermediate calender rolls position, make the intermediate calender rolls shoulder that bears big pressure obtain conversion.Change through roll location; Originally bearing greatly, the intermediate calender rolls shoulder internal stress of pressure is eased and discharges; Originally stressed milder position is transformed into the shoulder position of bearing big pressure, gives full play to the potential of upper and lower intermediate calender rolls, prolongs the service life of upper and lower intermediate calender rolls.
Claims (5)
1. six-high cluster mill; It 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; 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; The transmission side of last backing roll links to each other with motor output shaft; 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 back shaft.
2. six-high cluster mill according to claim 1 is characterized in that: said upper and lower working roll roll surface length is the 90%-95% of upper and lower intermediate calender rolls.
3. six-high cluster mill according to claim 1 is characterized in that: the roll surface both sides of said upper and lower intermediate calender rolls are provided with the shoulder of taper seat.
4. six-high cluster mill according to claim 1 is characterized in that: said transverse-moving mechanism is a worm-and-wheel gear.
5. 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 |
|---|---|---|---|
| CN2011200300262U CN202155371U (en) | 2011-01-28 | 2011-01-28 | Six-roller rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200300262U CN202155371U (en) | 2011-01-28 | 2011-01-28 | Six-roller rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202155371U true CN202155371U (en) | 2012-03-07 |
Family
ID=45763020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200300262U Expired - Fee Related CN202155371U (en) | 2011-01-28 | 2011-01-28 | Six-roller rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202155371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772889A (en) * | 2019-02-15 | 2019-05-21 | 广东含元工业技术有限公司 | A kind of cold-rolling mill |
| CN110202004A (en) * | 2019-07-12 | 2019-09-06 | 唐山学院 | Magnesium alloy different temperature rolling device |
-
2011
- 2011-01-28 CN CN2011200300262U patent/CN202155371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772889A (en) * | 2019-02-15 | 2019-05-21 | 广东含元工业技术有限公司 | A kind of cold-rolling mill |
| CN110202004A (en) * | 2019-07-12 | 2019-09-06 | 唐山学院 | Magnesium alloy different temperature rolling device |
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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: 20120307 Termination date: 20130128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |