CN100374221C - Multi roller mill for eliminating belt mill trace - Google Patents
Multi roller mill for eliminating belt mill trace Download PDFInfo
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- CN100374221C CN100374221C CNB2005100902228A CN200510090222A CN100374221C CN 100374221 C CN100374221 C CN 100374221C CN B2005100902228 A CNB2005100902228 A CN B2005100902228A CN 200510090222 A CN200510090222 A CN 200510090222A CN 100374221 C CN100374221 C CN 100374221C
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Abstract
The present invention relates to a multi-roller mill for eliminating belt mill traces. The present invention comprises a machine frame, an upper tower-shaped roller system and a lower tower-shaped roller system, wherein the machine frame is frame integration formed by circling a panel, a back plate, a top plate and a bottom plate; a feed port is arranged on the surface of the back plate; a discharge port is arranged on the surface of the panel; a plurality of back lining rollers are in split connection with an upper roller seat and a lower roller seat in an up-and-down stack mode through a component roller seat fixedly connected with the back lining roller; screwdown devices are distributed between the inner wall of the top plate and the upper roller seat; adjusting devices are arranged between the inner wall of the bottom plate and the lower roller seat; the back lining rollers are segment rollers which are formed by combining a plurality of roller rings in an interval arrangement mode; the arrangement mode of the back lining rollers is the mutually staggered side-by-side arrangement. The surface quality of rolling units is ensured through the staggered arrangement of the back lining rollers. The accuracy enhancement regulation of the back lining rollers can be automatically carried out through the split arrangement of the upper roller seat and the lower roller seat, so excessive manufacture cost does not need to be increased.
Description
Technical field
The present invention relates to a kind of multi-roll mill of eliminating strip material roll mark, particularly a kind of collars with two adjacent backing rollers interlocks and is set up in parallel, and can eliminate the multi-roll mill of strips or plates surface roll mark.
Background technology
In existing multi-roll mill, backing roller major part all is to adopt the segmented roll that is constituted with the interval set-up mode by a plurality of collars, and with the normally integral body of backing roller adjacent contact be cylindrical backing roll or working roll.Because the effect of huge roll-force, make the collars of backing roller be squeezed in backing roll or work roll surface, thereby impression appears and surface stress is concentrated at backing roll or work roll surface, thereby the surface to rolled parts produces rolling impression, destroy surface quality of products, or reduced the precision of product.
In hundreds of years of plate sheet and strip technical development, the control of plate shape is the emphasis problem that the insider pays close attention to always, along with the appearance of changing into the novel rolling mill that acts on the roller seat top at working roll axle journal place of the active position of screwdown gear and adjusting device by the past, plate shape control problem has obtained good solution, and the dimensional accuracy of the lateral cross section of its finished product has obtained significantly improving.This novel rolling mill can be called the middle part and depress milling train according to its rolling place of application of force.
In addition, for band mill, the shape of generatrix that keeps working roll in rolling is the key of the plate shape control that reaches good, though the technology depressed of middle part by research and development in recent years, can control the shape of generatrix of working roll preferably, still, along with improving constantly to the finished product required precision, also in continuous raising, this has higher requirement with regard to the manufacturing of giving milling train to the required precision of milling train self.Manufacturing for multi-roll mill, positional precision between the roll shape of the various not same-actions in the roller system has comparatively significantly influence to the rolling accuracy of milling train, for example, in 12 roller mills, the quality of the depth of parallelism between working roll, middle support rollers and the backing roller, determined the state that they are in contact with one another each other, when between certain two roller when not parallel, under the effect of roll-force, be easy to take place the distortion of roll forming, thereby influenced the shape of working roll bus, caused the rolled parts precision to reduce.The milling train that roll is many more, this problem is just outstanding more, therefore, in the production of milling train, must guarantee machining accuracy, thereby improve the manufacture difficulty and the cost of milling train.
Summary of the invention
The objective of the invention is to the surface of rolled parts be produced rolling impression at above-mentioned existing milling train, this problem of shape of generatrix of having destroyed surface quality of products and having kept working roll for solution, must significantly improve the present situation of the accuracy of manufacture, manufacture difficulty and the cost of milling train, and provide a kind of multi-roll mill of eliminating strip material roll mark, this milling train interlocks the backing roller and is set up in parallel, and upper and lower roller seat is decomposed setting, thereby can effectively eliminate the roll mark on rolled parts surface, the precision of milling train is greatly improved.
For achieving the above object, the invention provides a kind of multi-roll mill of eliminating strip material roll mark, it comprises frame and is separately positioned on the upper and lower both sides of rolled parts and to being much of tower rollers system and following tower rollers is in frame, and described frame is to surround a framework integral body that is tunnel shape vertically that constitutes by panel, backboard, top board and base plate; Described back plate surface offers the charging aperture that enters for strip material blank; Described panel surface offers the discharging opening for rolled parts output; The bottom of a plurality of backing rollers in described top of going up a plurality of backing rollers in the tower rollers system and the described tower rollers down system is respectively equipped with roller seat and lower roller base; Has a backing roller in described a plurality of backing roller at least by taking foldedly up and down to establish the mode split and connect with its fixedly connected branch roller seat and described roller seat and the lower roller base gone up; Described top board inwall and described go up are distributed with a plurality of screwdown gears of roll-force being provided and controlling described rolled parts shape of cross section of being used between the roller seat; Be provided with the adjusting device that is used to carry described roll-force and controls described rolled parts shape of cross section between described plate inner wall and the described lower roller base; Described backing roller is the segmented roll that is constituted with the interval set-up mode by a plurality of collars; The set-up mode of described a plurality of backing rollers is interlaced with each other being set up in parallel in gap between the described collars that makes on two adjacent backing rollers.
As shown from the above technical solution, the surface quality that the present invention makes the intermediate calender rolls that contacts with the backing roller or work roll surface thereby rolled parts can not occur having guaranteed because of the impression that the roll-force effect produces by being crisscross arranged between the backing roller, simultaneously, by the decomposition setting of upper and lower roller seat, make the backing roller carry out the raising adjustment of precision voluntarily and need not to increase too much manufacturing cost.
Below also the present invention is described in further detail in conjunction with the accompanying drawings by specific embodiment.
Description of drawings
Fig. 1 is the perspective view of first specific embodiment of the present invention;
Fig. 2 is the middle coupling compound mode schematic diagram of backing roller in milling train embodiment illustrated in fig. 1;
Fig. 3 is the perspective view of middle lining roller unit body embodiment illustrated in fig. 1;
Fig. 4 is the structural representation of the backing roller be made up of lining roller unit body shown in Figure 3;
Fig. 5 is the axial arrangement schematic diagram of second specific embodiment of the present invention;
Fig. 6 is a Facad structure schematic diagram embodiment illustrated in fig. 5;
Fig. 7 is a set-up mode schematic diagram of adjusting device of the present invention;
Fig. 8 is the structural representation of the 3rd specific embodiment of the present invention;
Fig. 9 is the part-structure schematic diagram of the 4th specific embodiment of the present invention.
The specific embodiment
Figure 1 shows that the perspective view of first specific embodiment of the present invention, this embodiment comprises frame 1 and is separately positioned on rolled parts 101 upper and lower both sides and to being much of tower rollers system and following tower rollers is in frame 1, and frame 1 is that to surround what constitute by panel 11, backboard 12, top board 13 and base plate 14 one be the framework integral body that axial direction is tunnel shape along tower rollers.Back plate surface offers the charging aperture 121 that enters for strip material blank 102.Panel 11 surfaces offer the discharging opening 111 for rolled parts 101 outputs.Outer surface at panel and backboard offers top-down groove 7 respectively, groove 7 offer the manufactured materials cost that not only can save frame 1 greatly, but also help to improve frame rigidity in the horizontal direction.The top of a plurality of backing rollers 2 in the last tower rollers system and down the bottom of a plurality of backing rollers 2 in the tower rollers system be respectively equipped with roller seat 3 and lower roller base 4.Have in a plurality of backing rollers 2 two backing rollers 2 by with its fixedly connected branch roller seat 31, divide roller seat 41 to take to fold up and down and establish the mode split and connect with described roller seat 3 and the lower roller base 4 gone up.Be distributed with a plurality of screwdown gears 5 (figure is because blocking of top board 13 only illustrates 1 screwdown gear 5) that are used for providing roll-force and controlled rolling part 101 shape of cross sections between top board 13 inwalls and the last roller seat 3.Be provided with between base plate 14 inwalls and the lower roller base 4 and be used to the adjusting device 6 that carries described roll-force and control described rolled parts shape of cross section.
In the present embodiment, three backing rollers that upper and lower tower rollers is provided with respectively in being are the segmented roll that constituted with the interval set-up mode by a plurality of collars 92, as shown in Figure 2.Three fixedly connected side by side being arranged on the milling train of backing roller, its set-up mode is gap 93 interlaced with each other being set up in parallel between the collars 92 that makes on two adjacent backing rollers, be specially, on two ends of middle backing roller, adopt long collars 92, staggered with the gap 93 on adjacent two backing rollers in gap 93 between the short collars 92 at itself and middle part, thereby cause in three backing rollers gap 93 settings interlaced with each other on two adjacent backing rollers.Be crisscross arranged like this, the impression that the edge that can make a collars 92 causes the surface of other rollers in the tower rollers system by the collars 92 of other backing rollers by squeezing into the horizontal reset adjustment, thereby make the surface of rolled parts more attractive in appearance.The structure of each backing roller is to be connected in series from beginning to end by bearing by a plurality of lining roller unit bodies to constitute, Figure 3 shows that the perspective view of lining roller unit body, among the figure, lining roller unit body 9 comprises that mandrel 91 and ring are arranged on the columniform collars 92 of these mandrel 91 outer surfaces week.Two end faces of collars 92 all inwardly offer ring-shaped depression groove 93 around mandrel 91 along the axis of this collars 92, make the axial section of collars 92 be one " worker " font.Figure 4 shows that the structural representation that adopts lining roller unit body to form the backing roller, among the figure, four lining roller unit bodies are set in the interior ring of a bearing 10 simultaneously by mandrel 91 ends that bearing 10 head and the tail compose in series two adjacent lining roller unit bodies that a backing roller is connected in series from beginning to end, two ends of bearing 10 be absorbed in respectively two adjacent lining roller unit bodies on ring-shaped depression groove 93 in, like this can be under the size that does not reduce bearing 10, obtain the surface area of big as far as possible collars 92, make the contact area of the roller that the backing roller contacts with other in the milling train enough big, support for the operation of rolling provides good backing, this effect for the large-sized strip mill is more obvious.The outer ledge of two ends of collars 92 is provided with annular chamfer 94.Being provided with of annular chamfer 94 can effectively prevent in the operation of rolling, because huge roll-force causes two intilted phenomenons in end of collars 92.
In the present embodiment owing to be in last tower rollers, following tower rollers each has the branch roller seat 31 of two backing rollers 2 by fixedlying connected with it respectively in being, divide roller seat 41 and last roller seat 3 and lower roller base 4 to fold to establish split and connect, therefore, when the time spent of doing that is subjected to roll-force, the free state that backing roller 2 can rely on branch roller seat 31 and divide roller seat 41, carry out trace adjustment, can find best contact position automatically between each roller about making in the tower rollers system, made milling train and roller existing fit tolerance in the manufacturing to a certain extent up, the machining accuracy of rolled parts is improved, simultaneously, owing to taked to make up automatically the branch roller seat structure of tolerance in the present embodiment, make the accuracy of manufacture of milling train require and to obtain under certain reduction situation, the accuracy of manufacture of influence of rolled product not, this has obtained significantly reducing with regard to the manufacturing cost that makes milling train.In addition, the rack construction of whole tunnel shape and screwdown gear and adjusting device the position is set, make the roll-force of bearing that frame can be good, and make two working rolls in the tower rollers system up and down in the process of producing plate sheet and strip spare, can keep the good operation bus, make the shape of cross section of rolled parts obtain good control.The frame of present embodiment in the mill, can be according to concrete stressing conditions, structure is carried out certain change, can offer a groove from top to bottom at the outer surface of panel 11 and backboard 12, so not only can not influence the bearing of roll-force, but also can save a large amount of frame manufactured materials.
Figure 5 shows that the axial arrangement schematic diagram of second specific embodiment of the present invention, first difference of this embodiment and above-mentioned first embodiment is, the branch roller seat 31 that is arranged on top was fixedlyed connected with three backing rollers 2 during upper and lower tower rollers is with the 41 difference whiles of branch roller seat that are arranged on the bottom, and divide roller seat 31 and divide roller seat 41 to take foldedly up and down to establish the mode split and connect with last roller seat 3 and lower roller base 4 respectively, whole upper and lower tower rollers is tied up under the effect of roll-force obtain freely adjusting, also can reduce requirement the precision of milling train own; Second difference of present embodiment and above-mentioned first embodiment be, also increased one deck lining plank between the branch roller seat 41 of the branch roller seat 31 on top and bottom and last roller seat 3 and lower roller base 4.Lining plank adopts as shown in FIG. upper and lower to be respectively three branch lining plank 8 amalgamations to form.Because the operation of rolling has certain parallel accuracy requirement to backing roller on minute roller seat and the backing roller on the roller seat, therefore, utilize lining plank effectively to adjust this Pingdu, along with long-term use, lining plank can also be avoided the frictional dissipation between branch roller seat and the roller seat.Have again, the processing lining plank is than processing roller seat and relatively easy many of branch roller seat, particularly when lining plank when lining plank 8 amalgamations were formed by a plurality of minutes, make, revise, change just more simple, can easier obtain the depth of parallelism between roller seat and the branch roller seat, and after the long-term use of milling train process, can not produce frictional dissipation and distortion between roller seat and branch roller seat, if lining plank (or dividing lining plank to be damaged) can pass through simple direct replacing.Make milling train continue immediately to come into operation; The 3rd difference of present embodiment and above-mentioned first embodiment is that the set-up mode of screwdown gear 5 is taked two row's set-up modes.In the actual manufacturing of milling train, using, screwdown gear 5 can be arranged to forms single, many rows according to specific requirement, usually, quantity at the roller of tower rollers system is many more, under the state the such as just quantity of backing roller 2 diameters many more, backing roller 2 volume big more, roller seat up and down is big more, screwdown gear 5 can be set to many rows, for example three rows, four row or more rows.Figure 6 shows that the Facad structure schematic diagram of present embodiment, for clarity sake, panel, the backboard with frame omits in the drawings, only kept top board 13 and base plate 14.The quantity of screwdown gear 5 is four of every rows, and is uniformly set at side by side between roller seat 3 and the top board 13; Adjusting device 6 is two, is uniformly set between lower roller base 4 and the base plate 14, and is positioned at the middle part of lower roller base 4.The quantity of screwdown gear 5 can according to milling train can strips or plates width, the size of roll-force and size and the setting arbitrarily that each screwdown gear can provide roll-force, for example five, six, ten or more.Screwdown gear 5 can adopt various ways, can be hydraulic cylinder or electronic pressue device or manual pressure device; Adjusting device 6 can be set to a plurality of too, can set flexibly according to the pre-amount of deflection of predefined working roll and by lower roller base 4 and the cantilever beam structures parameter that adjusting device 6 is formed jointly, adjusting device 6 can adopt the hydraulic cylinder form or directly use cushion block, shown in Figure 7 is exactly a kind of set-up mode of adjusting device, among the figure, evenly distribute on the base plate 14 and be provided with one group of totally nine adjusting device 6 that adopt the hydraulic cylinder form, each adjusting device 6 can carry out Height Adjustment according to its position and force request, to satisfy rolling needs.
Figure 8 shows that the part-structure schematic diagram of the 3rd specific embodiment of the present invention, this embodiment is that with the difference of above-mentioned second embodiment the compound mode of screwdown gear 5 and lining plank is different.Among the figure, six screwdown gears 5 are arranged side by side between last roller seat 3 and top board 13, and screwdown gear 5 spread length that forms equates with the axial length of last roller seat 3, like this, when the length of working roll during less than the axial length of last roller seat 3, the width range that roll-force applies has surpassed the working width scope of whole working roll, and when the length of working roll equaled the axial length of roller seat 3, the width range that roll-force applies had covered the working width scope of whole working roll just.The different in width that roll-force applies working roll, can carry out different control to the shape of generatrix of working roll, in conjunction with parameters such as the width of the characteristic of rolling stock, rolled parts and rolling thicknesses, just can effectively control the shape of cross section (also being referred to as plate shape) of plate sheet and strip spare accurately again.In the present embodiment, screwdown gear 5 adopts manual depression to adjust mode, can adjust 52 pairs of pressure of going up roller seat 3 of briquetting by rotary screw 51, by respectively each screwdown gear 5 being adjusted, can adjust roll-force everywhere flexibly, thereby effectively carry out the control of plate shape.In the present embodiment, then the difference of the compound mode of lining plank and above-mentioned second embodiment take by six branch lining planks 8 with the direction of the axis normal of last roller seat 3 side by side amalgamation form.
Fig. 9 is the part-structure schematic diagram of the 4th specific embodiment of the present invention, the difference of this embodiment and above-mentioned the 3rd embodiment is screwdown gear 5, in the present embodiment, screwdown gear 5 adopts electronic mode, electric transmission machanism 53 is by the effect to briquetting 52, realization is exerted pressure to last roller seat 3, in addition, present embodiment adopts two screwdown gears 5, and be arranged in the axial length range of roller seat 3, distance each other can require the length of setting a little or short according to the control of milled sheet shape, and present embodiment can be primarily aimed at the rolling of the narrower strip material of width and set.
It should be noted last that, above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not break away from the spirit and scope of the present invention.
Claims (10)
1. multi-roll mill of eliminating strip material roll mark, comprise frame and in frame, be separately positioned on the upper and lower both sides of rolled parts and be, it is characterized in that described frame is to surround a framework integral body that is tunnel shape vertically that constitutes by panel, backboard, top board and base plate being much of tower rollers system and following tower rollers; Described back plate surface offers the charging aperture that enters for strip material blank; Described panel surface offers the discharging opening for rolled parts output; The bottom of a plurality of backing rollers in described top of going up a plurality of backing rollers in the tower rollers system and the described tower rollers down system is respectively equipped with roller seat and lower roller base; Has a backing roller in described a plurality of backing roller at least by taking foldedly up and down to establish the mode split and connect with its fixedly connected branch roller seat and described roller seat and the lower roller base gone up; Described top board inwall and described go up are distributed with a plurality of screwdown gears of roll-force being provided and controlling described rolled parts shape of cross section of being used between the roller seat; Be provided with the adjusting device that is used to carry described roll-force and controls described rolled parts shape of cross section between described plate inner wall and the described lower roller base; Described backing roller is the segmented roll that is constituted with the interval set-up mode by a plurality of collars; The set-up mode of described a plurality of backing rollers is interlaced with each other being set up in parallel in gap between the described collars that makes on two adjacent backing rollers.
2. the multi-roll mill of elimination strip material roll mark according to claim 1 is characterized in that described backing roller is to be connected in series from beginning to end by bearing by a plurality of lining roller unit bodies to constitute; Described lining roller unit body comprises mandrel and described collars, this collars is cylindrical and ring is arranged on described mandrel outer surface week, two end faces of described collars all inwardly offer ring-shaped depression groove around described mandrel along the axis of described collars, the axial section of described collars is " worker " font; The end of two adjacent described lining roller unit bodies of head and the tail serial connections is set in the interior ring of a bearing simultaneously, and this bearing is installed in described going up on roller seat, lower roller base and the branch roller seat by bearing block, or is installed on described minute roller seat.
3. the multi-roll mill of elimination strip material roll mark according to claim 2 is characterized in that the outer ledge of two ends of described collars is provided with annular chamfer.
4. according to the multi-roll mill of claim 1,2 or 3 described elimination strip material roll marks, it is characterized in that the outer surface of described panel and/or backboard offers groove from top to bottom.
5. the multi-roll mill of elimination strip material roll mark according to claim 4 is characterized in that described screwdown gear is hydraulic cylinder or electronic pressue device or manual pressure device.
6. the multi-roll mill of elimination strip material roll mark according to claim 5 is characterized in that described screwdown gear is in single mode or with the setting that evenly distributes of many rows' mode.
7. the multi-roll mill of elimination strip material roll mark according to claim 4 is characterized in that described adjusting device is hydraulic cylinder or cushion block, and the quantity of this adjusting device is one or more.
8. the multi-roll mill of elimination strip material roll mark according to claim 7 is characterized in that when described a plurality of adjusting devices when being a plurality of it is evenly distributed is provided with.
9. the multi-roll mill of elimination strip material roll mark according to claim 4 is characterized in that described minute roller seat and described going up between roller seat and the lower roller base also are provided with lining plank.
10. the multi-roll mill of elimination strip material roll mark according to claim 9 is characterized in that described lining plank is made up of lining plank amalgamation in a plurality of minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100902228A CN100374221C (en) | 2005-08-10 | 2005-08-10 | Multi roller mill for eliminating belt mill trace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100902228A CN100374221C (en) | 2005-08-10 | 2005-08-10 | Multi roller mill for eliminating belt mill trace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1718294A CN1718294A (en) | 2006-01-11 |
| CN100374221C true CN100374221C (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100902228A Active CN100374221C (en) | 2005-08-10 | 2005-08-10 | Multi roller mill for eliminating belt mill trace |
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| Country | Link |
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| CN (1) | CN100374221C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2491141Y (en) * | 2001-07-27 | 2002-05-15 | 殷智慧 | Multi-roller roll mill of combined roller seat |
| CN2565556Y (en) * | 2002-04-15 | 2003-08-13 | 郑红专 | Multi roller rolling mill |
| CN2633365Y (en) * | 2003-06-09 | 2004-08-18 | 李仙香 | Portable golf auxiliary bag |
| CN1565764A (en) * | 2003-06-09 | 2005-01-19 | 郑红专 | Subassemblies of supporting roller |
| CN1194824C (en) * | 1999-03-04 | 2005-03-30 | 郑红专 | Rolling mill with roll deflection bi-dimensionally controlled |
| CN2813131Y (en) * | 2005-08-10 | 2006-09-06 | 郑星昱 | Multi-roller mill capable of eliminating plate strip mill streaks |
-
2005
- 2005-08-10 CN CNB2005100902228A patent/CN100374221C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194824C (en) * | 1999-03-04 | 2005-03-30 | 郑红专 | Rolling mill with roll deflection bi-dimensionally controlled |
| CN2491141Y (en) * | 2001-07-27 | 2002-05-15 | 殷智慧 | Multi-roller roll mill of combined roller seat |
| CN2565556Y (en) * | 2002-04-15 | 2003-08-13 | 郑红专 | Multi roller rolling mill |
| CN2633365Y (en) * | 2003-06-09 | 2004-08-18 | 李仙香 | Portable golf auxiliary bag |
| CN1565764A (en) * | 2003-06-09 | 2005-01-19 | 郑红专 | Subassemblies of supporting roller |
| CN2813131Y (en) * | 2005-08-10 | 2006-09-06 | 郑星昱 | Multi-roller mill capable of eliminating plate strip mill streaks |
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| Publication number | Publication date |
|---|---|
| CN1718294A (en) | 2006-01-11 |
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Assignee: Zheng Zhou Tuopu rolling technology Co., Ltd Assignor: Zheng Hongzhuan|Zhao Linzhen Contract fulfillment period: 2008.11.10 to 2013.11.9 contract change Contract record no.: 2008410000158 Denomination of invention: Multi roller mill for eliminating belt mill trace Granted publication date: 20080312 License type: Exclusive license Record date: 2008.12.3 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.10 TO 2013.11.9; CHANGE OF CONTRACT Name of requester: ZHENG ZHOU TUOPU ROLLING TECHNOLOGY CO., LTD. Effective date: 20081203 |