CN102089090A

CN102089090A - Roller device with adjuster device

Info

Publication number: CN102089090A
Application number: CN2009801268876A
Authority: CN
Inventors: E·菲尔克; S·伯克金
Original assignee: SMS Siemag AG
Current assignee: SMS Siemag AG
Priority date: 2008-07-10
Filing date: 2009-07-09
Publication date: 2011-06-08
Also published as: JP2011527240A; RU2457053C1; DE102008032522A1; KR101203397B1; US20110219835A1; JP5345212B2; EP2310151A2; EP2310151B1; BRPI0915544A2; WO2010003676A3; WO2010003676A2; KR20110015678A; CA2729842A1

Abstract

The invention relates to a roller device (1) with an adjuster device, comprising a stand with support posts (2, 12, 33), wherein at least one roller (3, 13) of the roller stand is arranged in the space between the support posts and at least one adjuster device (5, 10, 30) is provided for adjusting the rollers (3), wherein the at least one adjuster device (5, 10, 30) is arranged between the rollers (3, 13) and the support posts (2, 2a, 2b, 2c, 2d, 12, 33) and comprises a pressure medium adjuster body (25).

Description

The milling train that has adjusting device

Technical field

The present invention relates to especially according to the milling train preamble of claim 1, that have the adjusting device of the horizontal displacement that is particularly useful for adjusting rolling mill roll.

Background technology

Milling train or to also have rolling-mill housing be known for a long time in the prior art.Known such rolling-mill housing this moment, takes the horizontal displacement of the adjacent relatively backing roll of its working roll as the horizontal stable means.In the time will carrying out different passage plans with milling train, this is especially necessary.As adjusting device the driving member that is used to adjust, hydraulic cylinder are disclosed this moment and by the voussoir guiding mechanism of removable voussoir.The adjusting device that comprises voussoir is for example disclosed by DE1777054A.EP0154896B1 not only discloses hydraulic cylinder, also discloses mechanical adjustment transmission mechanism.

Disadvantageously, this device provides setting on the one hand,, adjusts this setting in the course of the work that is in mechanical speed-control device.This finishes in comprising the adjusting device of built-in transmission mechanism unfriendly, because do not have the self-locking or the braking of transmission mechanism, change in location therefore occurs when stressed.This means that also monitoring sensor or conveyer lose its absolute position.In addition, in comprising the milling train of transmission mechanism such situation, be arranged on space region big relatively in the mill housing at transmission mechanism, result, this device thereby very big and very heavy.

In addition, occur setting on the other hand and lack not reproducible effect.Needed structure space is also big relatively.It in having the adjusting device of voussoir this situation.This moment also may occur adjusting voussoir and be drawn out too far when devoting oneself to work, the result has lost and has treated contacting of moving area.Conveyer also loses its position thus, can't occur the adjustment of accurate position again.Generally, also exposed voussoir, so this also is disadvantageous to changing rig and has determined sizable baffle plate from the rolling-mill housing district in transmission device side and fore side.This also involves higher cost and is disadvantageous therefore.

Summary of the invention

Task of the present invention provides a kind of milling train, reduces the defective of prior art whereby, if can't avoid fully.

According to the present invention, finish this task by a kind of milling train of frame that especially comprises with a plurality of framework pillars, wherein at least one roll of this rolling-mill housing is arranged in the space region between described a plurality of framework pillar and is provided with at least one adjusting device and is used to adjust roll, and wherein this at least one adjusting device is arranged between this roll and this framework pillar and comprises hydraulically controlled mechanism.Advantageously on each end of roll, be provided with two opposed adjusting devices.

This moment is particularly advantageous to be that hydraulically controlled mechanism comprises the hydraulic actuator that has the piston cylinder unit.But hydraulically controlled mechanism also can be pneumatic or operate with other pressure medium.

Advantageously, this piston cylinder unit has a piston, and the direction of motion of this piston is perpendicular to roll axis or orientation like this, that is, its adjustment is carried out perpendicular to roll axis ground.

Also advantageously, adjusting device has two pressure chamber and is used for piston is exerted pressure, and wherein respectively has a chamber to be arranged on the opposite sides thereof of piston.Therefore, position of piston can be adjusted reliably or be controlled.

Suitable in addition is, the piston rod that connects with this piston is adjusted on the direction breaker roll application of force directly or indirectly at piston.

In another embodiment also advantageously, this piston cylinder unit has a piston, and the direction of motion of this piston is parallel to roll axis and so is orientated in other words, that is, its adjustment motion is parallel to roll axis ground and carries out.

Advantageously this adjusting device had two pressure chamber and was used for piston is exerted pressure this moment, and wherein, a chamber is arranged on the opposite sides thereof of this piston.

Suitable in addition is, the piston rod that connects with this piston is adjusted on the direction the directly or indirectly breaker roll application of force by leverage at roll, and wherein this piston is adjusted on the direction of roll axis and at least one lever of this leverage causes roll adjustment perpendicular to roll axis being parallel to.

Also advantageously, this position of piston can be measured by sensor.This moment is suitable to be, this sensor is integrated in the housing of adjusting device or connects with it, for example is installed on the housing especially from the outside.May advantageously not lose sensing station this moment, because this sensor can directly be connected with the movable member or the relatively-movable member of piston cylinder unit.

A plurality of favourable improvement projects have been described in the dependent claims.

Description of drawings

Below will and describe the present invention in conjunction with the accompanying drawings in detail according to embodiment, accompanying drawing is depicted as:

Fig. 1 is the schematic diagram of milling train, and its working roll has adjusting device,

Fig. 2 represents adjusting device with schematic diagram,

Fig. 3 represents adjusting device with schematic diagram.

The specific embodiment

Fig. 1 schematically illustrates and comprises the milling train 1 of frame 2 as rolling-mill housing, it has four

framework pillar

2a, 2b, 2c and 2d and is arranged in working roll 3 in the space region between

framework pillar

2a, 2b, 2c, the 2d, and the working roll supporting is contained in roll bearing or the work roll bending seat 4.At

framework pillar

2a, 2b, 2c, 2d and the roll bearing of frame 2 work roll bending seat or adjust between the seat 4 in other words, be provided with a plurality of adjusting devices 5, be used for moving this roll or working roll 3 along adjusting to 7 direction 6 perpendicular to roll mandrel.For this reason, roll 3 supportings are contained on the roller seat 8.

Therefore described a plurality of adjusting device 5 is used for horizontal adjusting roll 3 on perpendicular to the direction of roll 3 axis.

As shown in Figure 1, described a plurality of adjusting devices 5 arrange that so their control edges are perpendicular to the adjustment campaign on the direction of arrow 6 of axis 7.

According to one embodiment of present invention, in milling train by the pressure medium actuator for example hydraulic actuator 11 constitute adjusting device 10, as shown in Figure 2.

Between roll 13 and framework pillar 12, hydraulic actuator 11 is set so, that is, between member 23 and member 18, constitutes pressure chamber 25.At this, pressure medium can enter pressure chamber 25 or be under the certain pressure, is separated from each other thereby two members 23 and 18 are stressed and corresponding move dividually or they move close mutually.

In addition, a piston 14 is contained in the cylinder chamber 15,16, thereby constitute two cylinder or chambers 15,16 that can bear pressure medium, wherein this chamber 15 and 16 is separately positioned on a side of piston 14, thereby the pressure that bears of chamber 15 applies power towards roll to piston 14, and the pressure that bears of chamber 16 applies power away from roll to piston 14.By piston cylinder unit 14,15,16, detent mechanism or adjusting device are provided, it is the form of shoring and also is used for to the moving

member

20,21 and 23 of pulling back.

Form this space region 15,16 in housing 17, this housing is connected with this framework pillar 12.Housing 17 advantageously is made of two parts, is made of two partial shell 18 and 19.This piston is contained in the housing 17 with its piston body and is passed in opening in the partial shell 18 with piston rod, and piston rod links to each other with roll bearing 20 in this place.A middleware 21 can advantageously also be set, and it allows perpendicular to leading on the direction of motion of this adjusting device and the direction perpendicular to roll axis.

The cylinder of this space region 25 is made of a plurality of members 23,18 and holds in present 17 the breach.

Except cylinder 14 being arranged in the housing 17 with cylinder chamber 15,16, in housing 17, also have a sensor 22, this sensor is measured the member 23 by cylinder 25 operations directly or indirectly.At this, sensor 22 has a pin 24, this pin itself be bearing in member 21 or the member 23 that is attached thereto on.

Particularly advantageous in this embodiment is to come control position well by chamber or the cylinder 25 and/or 15,16 that bears pressure, thereby the position of the position of member 23 and/or piston 14 can at any time be adjusted by clear and definite far and away, thereby also can clearly adjust the position of roll 13.In addition, compact especially according to the structure of the embodiment of Fig. 2, directly act on roll 3 because comprise the hydraulic pressure unit of piston cylinder unit 25.

According to another embodiment of the invention, adjusting device 30 will by the pressure medium actuator for example hydraulic actuator 31 constitute, it acts on roll 3 by leverage 32, as shown in Figure 3.This hydraulic actuator 31 so is set between roll 3 and framework pillar 33, piston 34 is contained in the

cylinder chamber

35,36 and forms two

chambers

35,36 that can bear pressure medium, wherein this

chamber

35 and 36 is separately positioned on a side of piston 34, thereby the pressure that bears of chamber 35 forces piston 34 to move to the right in other words its application of force to the right, and the pressure that bears of chamber 36 forces piston 34 to move to the left in other words its application of force left.

Chamber zone

35,36 forms in housing 37, and this housing links to each other with a housing 38 that holds leverage 32, and it is fixed on again on the framework pillar 33.Housing 37 advantageously is made of two parts, is made of two

partial shell

39 and 40, and here, partial shell 39 is a jar shape, and partial shell 40 constitutes with flange forms.Flange has opening 40 this moments, and piston rod 41 passes this opening, is used for moving roll 3 by leverage 32.And in the open area of this flange 40, be provided with the sealing 42.

Piston rod 41 can be connected by axially movable bar 43 with one, and this bar is formed with articulated joint 44, is hinged with a lever arm 45 in this articulated joint.Lever arm is hinged with member 21 by another articulated joint 46.This member 21 is connected with roll bearing 20 again, thus the mobile roll 3 that is directly passed to of member 21.

When piston 34 because of exerting pressure of pressure chamber 35 and/or 36 when mobile, piston rod 41 is moved and is adjusted on the precalculated position.Like this, this bar for example push rod is moved axially, and then articulated joint 44 is also moved.Because roll bearing 20 can not constitute movably towards roll axis substantially, by the mobile change that causes the relative angular position of lever arm 45 relative roll axis or vertical line of pin joint 44, thereby the distance between framework pillar 33 and the roll is defined and regulates.For roll bearing is being parallel on the direction of roll axis not removablely substantially, roll bearing and guiding mechanism 47 lock together, and this guiding mechanism only allows perpendicular to the motion on the direction of roll axis.

Arrange piston and push rod by being parallel to roll axis ground, obtain the very compact structure of adjusting device.

In addition, in order to discern piston position to adjust or the control roll location, be provided with a sensor 48, this sensor is measured piston position by probe 49.Head at housing 39 is provided with an opening for this reason, and the probe 49 of sensor 48 can pass this opening and can insert in the opening or hole of this piston.

Reference numerals list

1 milling train; 2 frames; The 2a framework pillar; The 2b framework pillar; The 2c framework pillar; The 2d framework pillar; 3 rolls; 4 roll bearings, the roller seat; 5 adjusting devices; 6 adjust direction; 7 is axial, axis; 10 adjusting devices; 11 pressure medium actuators; 12 framework pillars; 13 rolls; 14 pistons; 15 cylinder chambeies, pressure chamber; 16 cylinder chambeies, pressure chamber; 17 housings; 18 partial shell; 19 partial shell; 20 roll bearings, the roller seat; 21 middlewares; 22 sensors; 23 connectors; 24 pins; 25 cylinders, pressure chamber; 30 adjusting devices; 31 hydraulic actuators; 32 leverages; 33 framework pillars; 34 pistons; 35 cylinder chambeies, pressure chamber; 36 cylinder chambeies, pressure chamber; 37 housings; 38 housings; 39 partial shell; 40 partial shell, flange; 41 piston rods; 42 sealings; 43 bars; 44 articulated joints; 45 lever arms; 46 articulated joints; 47 guiding mechanisms; 48 sensors; 49 probes.

Claims

1. milling train (1) that comprises frame, this frame has a plurality of framework pillars (2,12,33), wherein at least one roll (3,13) of this milling train is arranged on described a plurality of framework pillar (2a, 2b, 2c is 2d) in the space region between, and be provided with at least one adjusting device (5,10,30) be used to adjust this roll (3), it is characterized in that, this at least one adjusting device (5,10,30) be arranged on this roll (3,13) and this framework pillar (2,2a, 2b, 2c, 2d, 12,33) between and comprise hydraulically controlled mechanism (25).

2. milling train according to claim 1 is characterized in that, hydraulically controlled mechanism (25) comprises the hydraulic actuator that has piston cylinder unit (25,23).

3. milling train according to claim 2 is characterized in that, this piston cylinder unit has piston (23), and the direction of motion of this piston is perpendicular to roll axis.

4. milling train according to claim 3, it is characterized in that, this adjusting device has one or two pressure chamber (25,15,16) be used for piston (23,14,34) is exerted pressure, wherein or a chamber (25) is arranged on a side of piston (23) and/or respectively have a chamber (15,16) to be arranged on the opposite sides thereof of this piston (14).

5. according to claim 3 or 4 described milling trains, it is characterized in that a piston rod (45) that connects with this piston (34) is directly or indirectly being adjusted on the direction this roll (3) application of force.

6. milling train according to claim 2 is characterized in that, this piston cylinder unit has piston (34), and the direction of motion of this piston is parallel to roll axis.

7. milling train according to claim 6 is characterized in that, this adjusting device has two pressure chamber (35,36) and is used for piston (34) is exerted pressure, and wherein respectively has a chamber to be arranged on opposed each side of this piston.

8. according to claim 6 or 7 described milling trains, it is characterized in that, piston rod (41) that connects with this piston (34) acts on this roll (3) adjusting on the direction directly or indirectly by leverage, wherein this piston (34) be parallel to be adjusted on the direction of roll axis and this lever cause this roll perpendicular to roll axis the motion that adjusts.

9. according to the described milling train of one of claim 1 to 8, it is characterized in that the position of this piston (14,23,34) can be measured by sensor.

10. milling train according to claim 9 is characterized in that, this sensor is integrated in the housing of adjusting device or with it and connects.