CN2813132Y - Multi-roller plate and strip mill - Google Patents

Abstract

The utility model relates to a multi-roller plate and strip rolling machine which comprises a machine frame, an upper tower-shaped roller system in the machine frame and a lower tower-shaped roller system in the machine frame, wherein the machine frame is a tunnel-shaped frame whole along the axial direction, which is formed by the surrounded combination of a panel, a back plate, a top plate and a bottom plate; the surface of the back plate is provided with a feed port; the surface of the panel is provided with a discharge port; the upper part of the upper tower-shaped roller system and the lower part of the lower tower-shaped roller system are respectively provided with an upper roller seat and a lower roller seat; at least one back lining roller of a plurality of back lining rollers is separately connected with the upper roller seat and the lower roller seat through a secondary roller seat which is fixedly connected with the back lining rollers in an up and down overlapping mode; a plurality of pressing devices are distributed between the inner wall of the top plate and the upper roller seat; an adjusting device is arranged between the inner wall of the bottom plate and the lower roller seat. The utility model makes the tower-shaped roller systems work in the state of uniform stress through the arrangement mode of the integral tunnel-shaped machine frame, the separated structure of the roller seats, the pressing devices and the adjusting device; besides, the technical requirement of precision rolling can be achieved under the requirement that the manufacturing accuracy of the rolling machine is not improved.

Description

Multi roller band mill

Technical field

The utility model relates to a kind of multi roller band mill, particularly a kind of accurate multi roller band mill that has split roller seat structure and have good profile control.

Background technology

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.

Depress in the milling train at the middle part, the shape of generatrix that keeps working roll is the key of the plate shape control that reaches good, though can control the shape of generatrix of working roll preferably by the technical scheme that depress at the middle part, but, 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, in in the roller system each not the positional precision between the roll shape of same-action the rolling accuracy of milling train is had comparatively significantly influence, 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, even like this, still can not fundamentally address this problem.

The utility model content

The purpose of this utility model is at above-mentioned under the prerequisite of the accuracy of manufacture that has improved milling train, manufacture difficulty and cost, still can not fundamentally solve the present situation of this problem of shape of generatrix that keeps working roll, and provide a kind of multi roller band mill, this milling train decomposes roller seat, make each roller in the tower rollers system can be under state freely, utilize roll-force to adjust parallel accuracy between each roller voluntarily, make the shape of working roll bus obtain good maintenance.

For achieving the above object, the utility model provides a kind of multi roller band mill, comprise frame and in frame, be separately positioned on the upper and lower both sides of rolled parts and be 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 to 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.

As shown from the above technical solution, the utility model is by a whole tunnel shape frame, the set-up mode that divides body structure roller seat and screwdown gear and adjusting device, make the backing roller in the time spent of doing that is subjected to roll-force, can freely adjust the contact angle of itself and middle support rollers or working roll according to the action direction of power, reach and be parallel to each other, all rollers in the tower rollers system can be worked under evenly stressed state, thereby good maintenance the shape of generatrix of working roll, under the accuracy of manufacture that does not improve milling train, also can reach the specification requirement of precision rolling, save a large amount of milling train manufacturing costs.

Below by specific embodiment and in conjunction with the accompanying drawings the utility model being described in further detail.

Description of drawings

Fig. 1 is the perspective view of first specific embodiment of the present utility model;

Fig. 2 is the axial arrangement schematic diagram of second specific embodiment of the present utility model;

Fig. 3 is the perspective view of the 3rd specific embodiment of the present utility model;

Fig. 4 is a Facad structure schematic diagram embodiment illustrated in fig. 3;

Fig. 5 is a set-up mode schematic diagram of adjusting device of the present utility model;

Fig. 6 is the part-structure schematic diagram of the 4th specific embodiment of the present utility model;

Fig. 7 is the part-structure schematic diagram of the 5th specific embodiment of the present utility model;

Fig. 8 is a perspective view of forming the lining roller unit body of backing roller in the utility model;

Fig. 9 is the structural representation of the backing roller of lining roller unit body composition shown in Figure 8;

Figure 10 is the coupling compound mode schematic diagram of backing roller shown in Figure 9 in milling train.

The specific embodiment

Figure 1 shows that the perspective view of first specific embodiment of the present utility model, 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 milling train 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 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 2 shows that the axial arrangement schematic diagram of second specific embodiment of the present utility model, 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 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 3 shows that the perspective view of the 3rd specific embodiment of the present utility model, this embodiment combines above-mentioned two embodiment, and the set-up mode of its screwdown gear 5 and adjusting device 6 is identical with above-mentioned first embodiment; The set-up mode of the branch roller seat 31 on its top and the branch roller seat 41 of bottom is identical with above-mentioned second embodiment; Be with the difference of above-mentioned two embodiment, top board 13, panel 11, backboard 12 are taked local hollow out mode, only the contact position at screwdown gear 5 keeps a crossbeam, can effectively save the materials of frame like this, particularly for the less milling train of roll-force, the less stressed or structure materials that do not stress on the suitable minimizing frame, to reducing the milling train manufacturing cost is favourable, equally, for the less milling train of roll-force, can less panel 11 and the backboard 12 of used thickness, therefore, can cancel two grooves on the plate face.There is a difference to be again: 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, also to increase one deck lining plank.The area of lining plank is usually less than the area of minute roller seat and last roller seat and lower roller base facing surfaces.Lining plank can adopt being made up of lining plank 8 amalgamations in a plurality of minutes as shown in Figure 3.In above-mentioned two embodiment, 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 to 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 worker's 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 worker's 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.Figure 4 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 5 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 6 shows that the part-structure schematic diagram of the 4th specific embodiment of the present utility model, this embodiment is that with the difference of above-mentioned the 3rd 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 the 3rd embodiment take by a plurality of minutes lining planks 8 with the direction of the axis normal of last roller seat 3 side by side amalgamation form.

Fig. 7 is the part-structure schematic diagram of the 5th specific embodiment of the present utility model, the difference of this embodiment and above-mentioned the 4th 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.

In above-mentioned five specific embodiments, backing roller in the upper and lower tower rollers system can adopt a kind of the serial connection from beginning to end by bearing by a plurality of lining roller unit bodies to constitute, Figure 8 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, the axial section of collars 92 is " worker " font.Figure 9 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 in the milling train, the contact area of the roller that the backing roller contacts with other is enough big, support for the operation of rolling provides good backing, this effect for the large-sized strip mill is more obvious.The mounting means of backing roller is that bearing 10 is installed in roller seat by bearing block or divides on the roller seat (lower roller base is identical with the installation form of last roller seat, so do not give unnecessary details).In the combination of milling train backing roller, when adopting a plurality of as shown in Figure 9 backing roller, can take compound mode as shown in figure 10.Among Figure 10, 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.

It should be noted last that, above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model 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, and not break away from spirit and scope of the present utility model the utility model.

Claims (10)

1, a kind of multi roller band mill, 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.

2, multi roller band mill according to claim 1 is characterized in that the outer surface of described panel and/or backboard offers groove from top to bottom.

3, multi roller band mill according to claim 1 is characterized in that described screwdown gear is hydraulic cylinder or electronic pressue device or manual pressure device.

4,, it is characterized in that described screwdown gear is in single mode or with the setting that evenly distributes of many rows' mode according to claim 1,2 or 3 described multi roller band mills.

5, multi roller band mill according to claim 1 is characterized in that described adjusting device is hydraulic cylinder or cushion block, and the quantity of this adjusting device is one or more.

6, multi roller band mill according to claim 5 is characterized in that the setting that evenly distributes of described a plurality of adjusting device.

7,, it 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 according to claim 1,2,3,5 or 6 described multi roller band mills.

8, multi roller band mill according to claim 7 is characterized in that described lining plank is made up of lining plank amalgamation in a plurality of minutes.

9,, it is characterized in that described backing roller is two or more according to claim 1,2,3,5,6 or 8 described multi roller band mills; 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 that mandrel and ring are arranged on the columniform collars of this 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 by bearing block and describedly goes up on roller seat and the lower roller base or be installed on described minute roller seat.

10, multi roller band mill according to claim 9, the set-up mode that it is characterized in that described a plurality of backing rollers are interlaced with each other being set up in parallel in gap between the described collars that makes on two adjacent backing rollers.

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