CN207138502U - A kind of collateral support arrangement of the working roll of milling train - Google Patents

Abstract

The utility model is related to a kind of collateral support arrangement of the working roll of milling train, on milling train center symmetric setting milling train entrance side and outlet side；Each working roll supports by each side support roller of outlet side and entrance side, and each side support roller is collectively forming each collateral support branch with the power end being connected；In each collateral support branch, each side support roller is linked together with two groups of back lining components by side supporting bearing base；Second wedge is set in parallel on the outside of the first wedge, and is oppositely arranged with lower inclined plane on the first wedge and compression is contacted in as-rolled condition, and the second wedge is connected with the second drive device；First driving means, the second drive device and guide rail are each attached in frame.Compared with existing apparatus, the utility model is rationally distributed, simple in construction, reliable and stable easy to operate, and working roll roll neck scope is wider, has effectively expanded product scope, enhances milling train adaptability.

Description

A kind of collateral support arrangement of the working roll of milling train

Technical field

The utility model belongs to field of metallurgical equipment, and in particular to a kind of collateral support dress of working roll for eighteen-high mill Put.

Background technology

With the high speed development of China's industry, metal plate and belt is produced to high intensity, low thickness, high accuracy, high speed, high yield Amount development.Multi-roll mill with its working roll roll neck is small, mill stiffness is big, small volume, it is in light weight the features such as constantly send out in recent years Open up and perfect, wherein eighteen-high mill is the important type for producing cold rolling continuous belt steel.The core technology of eighteen-high mill be Four groups of collateral support arrangements of working roll are additionally arranged on the basis of traditional six-high cluster mill, ensure that working roll has resistance horizontal direction flexure Ability.Generally the collateral support bearing block assembly of working roll（Include bearing block, side support roller and back lining bearing component or collateral Support roller and backing roll assembly）The collateral support arrangement of working roll is referred to as with collateral support adjustment mechanism.

The collateral support arrangement of eighteen-high mill working roll in the market is broadly divided into three kinds.The first is as shown in figure 1, be (DE3324562C2, WO2004/052568A1) using traditional Sendzimir Z-High milling trains as representative, working roll side support shaft Bearing component is fixed in middle roll bearing seat by hinge, is rolled by Hydraulic Cylinder side support roller against firmly working roll System；Second as shown in Fig. 2 be using Siemens's VAI X-High milling trains as representative（PCT/EP2010/054449）, work The collateral support bearing block assembly of roller is fixed on intermediate calender rolls roller bending block by hinge, by Hydraulic Cylinder side support roller against firmly work Rolled as roller；The third is as shown in figure 3, be using An De Ritz company S6-High milling trains as representative（PCT/EP00/ 07431）, working roll it is collateral support bearing block assembly by the oblique Driven by Hydraulic Cylinder being fixed in frame, enter against firmly working roll Row rolling.Because the collateral support bearing block assembly of the working roll of the first and second and strip are apart from small, and need to all be put around hinge It is dynamic, thus they the shortcomings that be that milling train opening degree is small, lubrication effect is poor, and back lining bearing external diameter is small, and speed is low, and working roll Roll neck scope is small；The third the shortcomings that is that lateral support structure is too fat to move huge, and working roll surrounding space is narrow and small, and rolling temperature rise is big, and Roller can not be operated and move horizontally operation.In terms of repair and maintenance, the first milling train is either changed intermediate calender rolls and still changed Any one back lining bearing, it is required for integral replacing intermediate calender rolls and collateral support bearing block assembly, it is also necessary to which online lower progress is cumbersome Complicated removes and installs work, takes time and effort；The third milling train is taken up too much space by lateral support structure, it is necessary to upper and lower Working roll and upper and lower intermediate calender rolls all remove milling train, could change back lining bearing, process complicated and time consumption, influence production efficiency.

The content of the invention

Technical problem to be solved in the utility model is to be directed to above-mentioned technological deficiency, there is provided a kind of compact conjunction Reason, working roll roll neck scope are big, the collateral support arrangement of efficiently operation roll of mill easy to maintenance, service life length, and can reduce people Work cost and maintenance are dangerous.

Technical scheme is used by the utility model solves its technical problem：

A kind of collateral support arrangement of the working roll of milling train, on entrance side of the milling train center symmetric setting in milling train and outlet Side；It is characterized in that：Each working roll supports by each side support roller of outlet side and entrance side, and each side support roller is with being connected Power end be collectively forming each collateral support branch, share four it is collateral support branches on milling train center symmetric setting；Each collateral support In branch, each side support roller is linked together with two groups of back lining components by side supporting bearing base, the side spring bearing Seat connects with side support beam；First wedge is fixed in the support beam of side and on the outside of the support beam of side, vertically, second is oblique Wedge is set in parallel on the outside of the first wedge, and is oppositely arranged with lower inclined plane on the first wedge and compression is contacted in as-rolled condition, Second wedge is connected with the second drive device；First driving means, the second drive device and guide rail are each attached in frame；Guide rail Including side support beam guide rail and wedge guide rail, side support beam is supported on the support beam guide rail of side and can be along before the support beam guide rail of side After slide, the outside of the second wedge and wedge guide rail are with merging and can be slid back and forth along wedge guide rail.

Further, first driving means set displacement transducer and pressure-measuring head, for controlling side support beam to advance, retreat Position；Second drive device is provided with load cell, ensures that the second wedge and the first wedge inclined-plane compress and do not increase side excessively The additional force of support beam, avoid collateral support unstability.

Further, the first driving means include hydraulic motor and connected jack, jack head peace Equipped with pressure-measuring head, side installation position sensor, fluid motor-driven jack, the positional precision of side support roller can guarantee that simultaneously Horizontal force size is measured, once horizontal force sends alarm at once beyond scope of design.

Further, when the respective bevel angle of the first wedge and the second wedge is designed to self-locking angle, second drives Dynamic device is not subject to horizontal force.

Further, emulsified liquid injection gear is installed inside the support beam of side.

Further, side supporting bearing base is connected by neck with side support beam.

Further, the rolling preparation process of the collateral support arrangement of the working roll of above-mentioned eighteen-high mill is as follows：

After threading finishes, entrance side and outlet side support roller are driven in first with displacement transducer and pressure-measuring head respectively Slided in the presence of dynamic device along the guide rail being fixed in frame and close to working roll, check that displacement transducer and pressure-measuring head are shown Whether numerical value, which reaches, defaults to place value, if both sides side support roller is in place, you can carry out further work；

Now, distance is moved horizontally by presetting adjustment working roll, working roll both sides side support roller movement same distance, protected Card working roll is moved to presetting position；Why to clamp working roll in advance, then roller of working moves horizontally operation, be in order to Ensure the stabilization of the working roll during moving horizontally；Ensure that aforesaid operations have been completed, after inspection is errorless, you can carry out next Walk work；

Then, the second drive device works, and the second wedge of control checks whether pressure-measuring head shows numerical value close to the first wedge Reach and default to place value, in place after can start milling train, start to roll.

Further, the maintenance roll change step of the collateral support arrangement of the working roll of above-mentioned eighteen-high mill is as follows：

During repair and maintenance, first stop rolling, then start the second drive device, retract the second wedge, then start first The roll change scope outskirt of drive device, the operation roll of mill that side supporting bearing base is fallen back in the movable border of frame and intermediate calender rolls Domain, the collateral support bearing block assembly including side support roller and back lining components is vised by roll change buggy and is hauled out from frame, again Load new collateral support bearing block assembly, be reversed the replacing that aforesaid operations complete collateral runner and back lining components etc., more It is time saving and energy saving to change process.

Compared with prior art, the beneficial effects of the utility model are：

1st, compared with the existing collateral support arrangement of 18 roller working roll, the collateral support arrangement of this working roll is rationally distributed, structure Simply, collateral support is reliable and stable, easy to operate, and also wider for the accommodation of working roll roll neck, effectively having expanded to produce Product scope, enhance milling train adaptability；

2nd, moved horizontally by driving side support meanss in guide rail, widened roll change space, make to be individually replaced collateral support Roller and back lining components become feasible, improve roll change operating efficiency, multiple under line when avoiding Z-HIGH type eighteen-high mill roll changes Miscellaneous cumbersome dismounting work, while also eliminate S6-HIGH types eighteen-high mill and change collateral support（Back lining bearing and side support roller Deng）When need first working roll and intermediate calender rolls to be pulled out the troublesome operations of frame.

3rd, first driving means are provided with horizontal force load cell, the horizontal force feelings of working roll when can accurately measure rolling Condition, there is provided horizontal force overload alarm, equipment safety is effectively protected, avoid the accident caused by accidental horizontal force transfinites.

4th, it can flexibly participate in working roll and move horizontally operation, reduce working roll horizontal deflection, effectively increase mill product Surface quality；

5th, this product is applied to having good prospects for eighteen-high mill, can also be applied to six-high cluster mill transformation project.

Brief description of the drawings

Fig. 1 is Z-High milling trains window figure in the prior art；

Fig. 2 is X-High milling trains window figure in the prior art；

Fig. 3 is S6-High milling trains window figure in the prior art；

Fig. 4 is the collateral support arrangement structural representation of working roll of eighteen-high mill of the present utility model；

Fig. 5 is the window schematic diagram that the utility model changes intermediate calender rolls and working roll；

Fig. 6 is the window schematic diagram that the utility model changes collateral support bearing block assembly.

In figure：1- guide rails, 1-1-wedge guide rail, 1-2-side support beam guide rail, 2-working roll side support roller, 3-backing Component, 4-side supporting bearing base, 5-side support beam, 6-first driving means, the 7-the first wedge, the 8-the second wedge, 9- Second drive device, 10-upper intermediate calender rolls, 11-top working roll, 12-bottom working roll, 13-lower intermediate calender rolls, 14-frame, 15-strip.

Embodiment

According to the collateral support arrangement of working roll of the eighteen-high mill of the utility model implementation as Figure 4-Figure 6, relative to machine Frame center（Position of center line in Fig. 4-6）It is symmetrical arranged（Left and right directions in Fig. 4）In entrance side and outlet side, for support Working roll 11 and bottom working roll 12；It is characterized in that：In entrance side and outlet side（That is front and back）Include guide rail 1, work Make roller side support roller 2, back lining components 3, side supporting bearing base 4, side support beam 5, first driving means 6, the first wedge 7, second The drive device 9 of wedge 8 and second；Each working roll is propped up from the front and rear respectively by two working roll side support rollers 2 Support.

Guide rail 1 includes wedge guide rail 1-1 and side support beam guide rail 1-2, is each attached to the inner side of frame 14（Vertical direction it is upper Side or lower section are outside, are inner side close to centre）, and working roll side support roller 2 and two groups of back lining components 3 pass through side spring bearing Seat 4 is linked together, and side supporting bearing base 4 is connected by neck and side support beam 5, and the first wedge 7 is fixed in side support beam 5 And slided along the longitudinal direction together in company with side support beam 5, side supporting bearing base 4 and side support beam 5 can be along side support beam guide rail 1-2 Slide back and forth, control it to advance by the first driving means 6 with displacement transducer and pressure-measuring head, retracted position.Along vertically Direction, on the outside of the first wedge 7 (above or below), the second wedge 8 is be arranged in parallel with the first wedge about 7 and inclined-plane is relative, Second wedge 8 it can be slid back and forth by the second drive device 9 control with pressure-measuring head along wedge guide rail 1-1.First driving The drive device 9 of device 6 and second is each attached in frame 14.The inclined-plane of first wedge 7 and the second wedge 8 is engaged progress level The locking in direction and spacing.

During rolling, the in the vertical direction of side support beam 5 compresses side support beam guide rail 1-2, while the second wedge 8 is in vertical side Wedge guide rail 1-1 is compressed upwards, so as to eliminate the gap between movement parts.The horizontal force of top working roll 11 and bottom working roll 12 and Vertical force is all delivered in side support beam 5 by working roll side support roller 2, back lining components 3, side supporting bearing base 4.Wherein one Horizontal force is divided to be balanced by the first driving means 6 with displacement transducer and pressure-measuring head：Wherein hydraulic motor 6-1 driving jack 6- 2, jack 6-2 head are provided with pressure-measuring head, jack 6-2 sides installation position sensor, can guarantee that the position of side support roller 2 Put precision and measure horizontal force size, once horizontal force sends alarm at once beyond scope of design, effectively protect equipment；It is another Part of horizontal power is balanced by the second drive device 9 with pressure-measuring head.Vertical force is by the first wedge 7 upwardly through the second wedge 8 Frame 14 is passed to, is balanced by frame 14.

Further, the respective bevel angle of the first wedge 7 and the second wedge 8 may be designed to self-locking angle（Such as 4 degree of left sides It is right）, now, after both inclined-planes coordinate locking spacing up and down, in the absence of external forces, both of which, which will not be slided, to be staggered, Thus illustrate when the respective bevel angle of the first wedge 7 and the second wedge 8 is designed to self-locking angle, the second drive device 9 It is not subject to horizontal force.

Emulsified liquid injection gear is installed inside side support beam 5, can effectively reduce belt steel temperature and good roll is provided Lubricating condition processed.

After one of the utility model embodiment is as shown in figure 4, threading finishes, entrance side and outlet side upper and lower Working roll side supporting bearing base 4, side support roller 2 and back lining components 3 etc. respectively in displacement transducer and pressure-measuring head Slide along the side support beam guide rail 1-2 being fixed in frame in the presence of one drive device 6 and make working roll side support roller 2 close Top working roll 11 and bottom working roll 12, check that displacement transducer and pressure-measuring head show whether numerical value reaches and default to place value, if two The side supporting bearing base of side is in place（I.e. the working roll side support roller 2 of both sides clamps working roll and has certain precompression）, i.e., Further work can be carried out.

Now, if necessary to move horizontally distance by presetting adjustment top working roll 11 and bottom working roll 12, then should The side support beam 5 one of working roll both sides is entered to move back, and entrance side and outlet side enter identical with the displacement moved back, ensure top working roll 11 and bottom working roll 12 be moved to presetting position.Why working roll is clamped in advance, then roller of working moves horizontally operation, It is to ensure the stabilization of the working roll during moving horizontally.（Working roll only has two ends to have bearings, in addition roller With it without other bearings, also without drive device, it is necessary to be kept by the clamping of intermediate calender rolls and working roll side support roller 2 It is stable.）Ensure that aforesaid operations have been completed, after inspection is errorless, you can carry out further work.

Then, the second drive device 9 works, and the second wedge 8 of control checks the second drive device 9 close to the first wedge 7 Pressure-measuring head shows whether numerical value reaches and defaults to place value, in place after can start milling train, start to roll.

When changing intermediate calender rolls and working roll, first stop one of rolling, embodiment as shown in Figure 5.Second is started to drive Dynamic device 9, retracts the second wedge 8, starts first driving means 6, first makes top working roll 11 and bottom working roll 12 in side support beam 5 Promotion under return to rolling center position（That is Fig. 5 position of center line, i.e. intermediate calender rolls and working roll are respectively positioned on vertical with roll line In one vertical straight line）, first driving means 6 are then controlled, side supporting bearing base 4 is fallen back on into the movable border of frame（In Fig. 5 Rectangle frame indicates）Outer region, the region also outside the roll change scope of operation roll of mill and intermediate calender rolls, that is, work roller body with Between outside roll bearing seat border；Then top working roll 11 and bottom working roll 12 are held using working roll lifting device, and is moved to it Roll change position（As shown in Figure 5）, upper intermediate calender rolls 10 and lower intermediate calender rolls 13 reach intermediate calender rolls roll change in the presence of middle roll bending cylinder Position（As shown in Figure 5）.Then the replacement operation of intermediate calender rolls and working roll is carried out by roll change buggy, Renewal process is time saving and energy saving.

When changing side support roller or back lining components, first stop one of rolling, embodiment as shown in Figure 6.Start the Two drive devices 9, the second wedge 8 is retracted, start first driving means 6, first make top working roll 11 and bottom working roll 12 collateral Support and return to rolling center position under the promotion of beam 5, then control first driving means 6, side supporting bearing base 4 is fallen back on into frame can Region in active window border（As shown in Fig. 6 rectangle frames）, the region is also in the roll change scope of operation roll of mill and intermediate calender rolls Outside, top working roll 11 and bottom working roll 12 then are held using working roll lifting device, and is moved to its roll change position, upper intermediate calender rolls 10 and lower intermediate calender rolls 13 intermediate calender rolls roll change position is reached in the presence of middle roll bending cylinder.Side spring bearing is vised by roll change buggy Seat 4（Including side support roller 2 and back lining components 3 etc.）And hauled out from frame, it is again loaded into new side supporting bearing base 4（Including Side support roller 2 and back lining components 3 etc.）, the replacing that aforesaid operations complete collateral runner and back lining components is reversed, was changed Journey is time saving and energy saving.

In the utility model embodiment, first driving means 6 are changed to hydraulic cylinder etc., and the second drive device 9 can Change electric pushrod or cylinder etc. into, back lining components can by back lining bearing or backing roller group into.

Moved horizontally by driving side support meanss in guide rail, widened roll change space, side support roller can be individually replaced With back lining bearing component etc., improve roll change operating efficiency；

During rolling, side support beam and the second wedge compress guide rail respectively in vertical direction, make collateral support reliable and stable.

First driving means are provided with horizontal force load cell, the horizontal force situation of working roll when can accurately measure rolling, There is provided horizontal force overload alarm, equipment safety is effectively protected, avoids the accident caused by accidental horizontal force transfinites；

Second drive device is provided with load cell, ensures that inclined-plane compresses and do not increase the additional force of side support beam excessively, keeps away Exempt from collateral support unstability；

The bevel angle of first wedge and the second wedge may be designed to self-locking angle, and the second drive device can be not subject to level Power.

Working roll can flexibly be participated in and move horizontally operation, reduce working roll horizontal deflection, effectively increase mill product Surface quality.

The utility model is simple in construction, control is accurate, time saving and energy saving, reliable and stable.It is all it is of the present utility model spirit and Any modification, equivalent substitution and improvements done within principle etc., should be included within the scope of protection of the utility model.

Claims (6)

1. a kind of collateral support arrangement of the working roll of milling train, on milling train center symmetric setting milling train entrance side and outlet side； It is characterized in that：Each working roll supports by each side support roller of outlet side and entrance side, and each side support roller is with being connected Power end is collectively forming each collateral support branch, shares four collateral support branches on milling train center symmetric setting；Each collateral support point Zhi Zhong, each side support roller are linked together with two groups of back lining components by side supporting bearing base, the side supporting bearing base Connected with side support beam；First wedge is fixed in the support beam of side and on the outside of the support beam of side, vertically, the second wedge It is set in parallel on the outside of the first wedge, and is oppositely arranged with lower inclined plane on the first wedge and compression is contacted in as-rolled condition, the Two wedges are connected with the second drive device；First driving means, the second drive device and guide rail are each attached in frame；Guide rail bag Include side support beam guide rail and wedge guide rail, side support beam is supported on the support beam guide rail of side and can be along before and after the support beam guide rail of side Slide, the outside of the second wedge is matched somebody with somebody with wedge guide rail to be merged and can be slid back and forth along wedge guide rail.

2. the collateral support arrangement of the working roll of milling train according to claim 1, it is characterised in that：First driving means set position Displacement sensor and pressure-measuring head, for controlling side support beam advance, retracted position；Second drive device is provided with load cell, protects Demonstrate,prove the second wedge and the first wedge inclined-plane compresses and do not increase the additional force of side support beam excessively, avoid collateral support unstability.

3. the collateral support arrangement of the working roll of milling train according to claim 2, it is characterised in that：The first driving means bag Hydraulic motor and connected jack are included, jack head is provided with pressure-measuring head, side installation position sensor, hydraulic pressure Motor drives jack, can guarantee that the positional precision of side support roller and measures horizontal force size, once horizontal force is beyond design model Enclose and send alarm at once.

4. the collateral support arrangement of the working roll of milling train according to claim 1, it is characterised in that：When the first wedge and second oblique When the respective bevel angle of wedge is designed to self-locking angle, the second drive device is not subject to horizontal force.

5. the collateral support arrangement of the working roll of milling train according to claim 1, it is characterised in that：Installed inside the support beam of side There is emulsified liquid injection gear.

6. the collateral support arrangement of the working roll of milling train according to claim 1, it is characterised in that：Side supporting bearing base passes through card Groove connects with side support beam.