CN105170666B - A kind of straightening descaling mill - Google Patents
A kind of straightening descaling mill Download PDFInfo
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- CN105170666B CN105170666B CN201510727894.9A CN201510727894A CN105170666B CN 105170666 B CN105170666 B CN 105170666B CN 201510727894 A CN201510727894 A CN 201510727894A CN 105170666 B CN105170666 B CN 105170666B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/06—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of straightening descaling mill, including frame, inlet turning roll, bending unit and resistance straightening unit, bending unit includes bending roll box, lower bending roll box and drives the first fast opening mechanism of upper bending roll box, resistance straightening unit includes upper straightening roll box, lower smoothing roll box and drives the second fast opening mechanism of upper straightening roll box, also include that outlet turning roller, described inlet turning roll and outlet turning roller are all fixed on outside frame；Bending unit also includes the first elevating mechanism driving lower bending roll box；Resistance straightening unit also includes the second elevating mechanism driving the lower smoothing roll box with two big roller footpath smoothing rolls.Straightening descaling mill of the present invention can make strip steel weld joint will not scratch upper and lower working roll roll surface when passing through；Big in resistance straightening unit two roller footpath smoothing roll is arranged in below strip steel simultaneously, reduces mechanism's burden；Additionally setting up a brush roll arrangement at straightening descaling mill outlet side, the iron scale of belt steel surface after removal scale breading, improves strip steel de-scaling rate further.
Description
Technical field
The invention belongs to metal rolled technical field, be specifically related to one and be used in coupled pickling and tandem mill or continuous acid-washing unit
Straightening descaling mill before middle hot-strip pickling.
Background technology
In coupled pickling and tandem mill or continuous acid-washing unit, in order to improve the pickling efficiency of hot-strip, logical before pickling
Often Surfaces of Hot Rolled Strip is carried out scale breading, and straightening descaling mill is the key equipment abolishing belt steel surface iron scale, simultaneously
Belt plate shape can also be improved, reduce the sideslip of subsequent handling strip steel.
Traditional straightening descaling mill comprises two groups of bending units and one group of resistance straightening unit, and is disposed with at its entrance side and turns to
Roller, there is following drawback in this kind of structure:
What 1, straightening descaling mill entrance side slewing rollers had is arranged in body, although compact conformation, but replacing is the most inconvenient
And waste time and energy；Meanwhile, when the strip steel having weld seam passes through, although upper bending roll box can quickly be opened, but lower bending roll box
Operating position still keep constant, strip steel also keeps contacting with working roll roll surface, weld seam by time can scratch roll surface and shorten
The working roll life-span；It addition, inlet turning roll is arranged in outside body by the straightening descaling mill also having in order to avoid this problem, with
Time in order to coordinate weld seam to pass through time roll line position adjustment, generally these slewing rollers are configured with the adjustable swing mechanism in position, also
Hydraulic pressure or pneumatic means need to be configured, thus result in its structure relative complex.
2, in resistance straightening unit, the smoothing roll in two big roller footpaths is arranged in above strip steel, the fixed form layouts that use more, more
Renew during roller the most time-consuming；Also having and use model of action to arrange, but the two roller arrangements is up, weight is relatively
Greatly, during the work of hydraulic pressure fast opening mechanism, inertia is relatively big, adds mechanism's burden.
3, hot-strip is after straightening descaling mill, can enter jockey pulley region thereafter；Strip steel after straightening scale breading
On jockey pulley, alternating bending is wound around and advances, when the iron scale that its skin breakage is loosened is squeezed on jockey pulley, and oxidation
Iron sheet can come off further, and is scattered in the transitional region between jockey pulley region and jockey pulley and acid tank；Due to ferrum oxide
The granularity of skin is the least, and slight wind-force may result in oxidation dust and flies upward everywhere, not only pollutes environment, is just having an effect on equipment
Often run.
As can be seen here, existing tradition straightening descaling mill has significant limitation, therefore, it is necessary to design is a kind of novel
Straightening descaling mill solve above-mentioned present in technical problem.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of straightening descaling mill, broken by straightening to solve strip steel weld joint
The problem scratching upper and lower working roll roll surface during squama machine, meanwhile, is arranged in strip steel by big for two in resistance straightening unit roller footpath smoothing roll
Lower section, reducing mechanism is born；It is another object of the present invention to set up a brush roll arrangement at straightening descaling mill outlet side, to scale breading it
After Surfaces of Hot Rolled Strip make to remove further loose iron scale, to improve the de-scaling rate of hot-strip.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions:
The present invention provides a kind of straightening descaling mill, the inlet turning roll including frame, being located at frame entrance side and being located at
Two groups of bending units in frame and one group of resistance straightening unit, described bending unit include bending roll box, lower bending roll box and
The fast opening mechanism of first that in driving, bending roll box moves up and down, described resistance straightening unit include upper straightening roll box, lower smoothing roll box with
And the second fast opening mechanism that driving upper straightening roll box moves up and down, it is characterised in that:
Also including the outlet turning roller being located at rack outlet side, described inlet turning roll and outlet turning roller are all fixed in machine
On outside frame, and co-located height；Described bending unit also includes drive lower bending roll box to move up and down first liter
Descending mechanism；Described resistance straightening unit also includes drive the lower smoothing roll box with two big roller footpath smoothing rolls to move up and down second liter
Descending mechanism, wherein:
Described inlet turning roll and the upper outside common tangent forming position line II of outlet turning roller；
The lower outside common tangent forming position line I of the working roll initial position of described upper bending roll box and upper straightening roll box, its
The lower outside common tangent forming position line III of maximum displacement position；
The upper outside common tangent forming position line IV of the working roll initial position of described lower bending roll box and lower smoothing roll box, its
The upper outside common tangent of maximum displacement position is less than the position line II；
The described position line II crosses line for strip steel sky, and it is provided above the position line I, and lower section is disposed with the position line III He
The position line IV；The described position line III is the working roll operating position line of upper bending roll box and upper straightening roll box.
Further, also include that collection device, described collection device include collection bucket, collecting tank and be positioned at frame surrounding
Sealing plate, described collection bucket is arranged at two lower bending roll boxes, lower smoothing roll box and frame gap each other, described receipts
Collection groove is arranged at the underface of frame, and its upper end is connected with described collection bucket, and lower end is communicated with the first dedusting pipeline.
Further, also include that blow device, described blow device include being arranged at the upper spray of both sides above the described position line I
Pipe group and be arranged at the lower jet pipe group of both sides below the described position line IV and middle middle jet pipe group, described upper jet pipe group, under
Jet pipe group and middle jet pipe group are formed by the jet pipe of some band nozzles.
Further, every jet pipe of described upper jet pipe group is arranged at intervals with row's nozzle that direction is identical, its nozzle court
The middle part of frame is arranged diagonally downward；Two row's nozzles that setting direction is different it are spaced on every jet pipe of described lower jet pipe group, its
In row's nozzle tilt upward layout towards the middle part of frame, another row's nozzle is arranged straight down；Every of described middle jet pipe group
Being arranged at intervals with two row's nozzles that direction is different on jet pipe, wherein row's nozzle is arranged straight down, and another row's nozzle level is slightly
Arrange downwards.
Further, also include that brush roll arrangement, described brush roll arrangement include brush roll mechanism, lower brush roll mechanism and for pacifying
Loading onto brush roll mechanism and the brush roll bearing of lower brush roll mechanism, described upper brush roll mechanism includes brush roll, for being connected to upper brush roll
The top link at two ends and the upper adjusting means swung for two top links；Described lower brush roll mechanism includes lower brush roll, for connecting
Lower swing arm at lower brush roll two ends and the lower adjusting means swung for two lower swing arms；Described brush roll bearing is fixed in frame,
Also can individually fixedly mount.
Further, described upper adjusting means and lower adjusting means are formed by two spiral lifts and synchronizing shaft, described
Synchronizing shaft can be driven by motor, also can be by manual actuation.
Further, described brush roll arrangement being provided with dust cover, the lower section of described dust cover is provided with dust removal port, described removes
Dirt mouth is communicated with the second dedusting pipeline.
Further, described brush roll arrangement is arranged at rack outlet side, also can be arranged at frame entrance side simultaneously.
It is an advantage of the current invention that:
1. the straightening descaling mill of present invention entrance side outside Rack Body and outlet side are disposed with fixing slewing rollers, install dimension
Protect conveniently, particularly when there being weld seam strip steel to pass through, fast opening mechanism make all working roller above strip steel quickly on move on to position
Putting line I, strip steel operating position line III the most quickly becomes the position line II so that strip steel with its above all working roller do not connect
Touching, meanwhile, when design, the upper roll surface maximum functional position of all working roller below strip steel is below the position line II, so
Not only strip steel will not contact with upper and lower work roll surface, but also can remain in the work of all working roller below strip steel
Invariant position, thus all reduction parameters need not re-start adjustment, the benefit of this arrangement is to remove into, outlet turning
Outside roller, all working roller of straightening descaling mill does not contacts with the strip, thus avoids work roll surface and abraded by weld seam.Work as weldering
Seam is by rear, and the oil cylinder of opening soon on top is depressed rapidly, strip steel is pressed onto operating position line III, thus whole straightening descaling mill is quick
Return to normal duty.
2. weight in resistance straightening unit is laid particular stress on by the straightening descaling mill of the present invention, the smoothing roll in two big roller footpaths that inertia is bigger
It is arranged in lower smoothing roll box, and is movable structure, rely on elevating mechanism to realize elevating function, thus effectively reduce machine
The burden of structure, also brings conveniently roll change work meanwhile.
3. the straightening descaling mill of the present invention is provided with blow device, is arranged in the both sides up and down of strip steel, straightening can be accelerated
The eliminating speed of the iron scale come off during scale breading, and utilize gravity principle, after collecting iron scale by collection device
Drained by the depression dust-removing pipeline connected is unified, good dedusting effect.
4. the straightening descaling mill of the present invention adds a brush roll arrangement at the outlet side of Rack Body, to the hot rolling after scale breading
Belt steel surface is made further to remove loose iron scale work, improves the de-scaling rate of hot-strip, and meanwhile, brush roll arrangement is also joined
Have the contact pressure of adjusting means, adjustable brush roll and strip steel, it is ensured that effect cut by good brush；It is provided with anti-in brush roll arrangement
Dust hood, and increase dust removal port, the iron scale dust utilizing depression dust-removing pipeline brush roll arrangement to be disposed is taken away, and this is the most favourable
Spread in the oxidation dust reducing jockey pulley operating area, straightening descaling mill rear end, also mitigate the burden of follow-up pickling link.
Other advantages, target and the feature of the present invention will be illustrated to a certain extent in the following description, and
And to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can
To be instructed from the practice of the present invention.The target of the present invention and other advantages can be realized by description below and
Obtain.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into
The detailed description of one step, wherein:
Fig. 1 is straightening descaling mill schematic diagram of the present invention；
Reference: 1-frame；2-bending unit, 21-upper bending roll box, bending roll box under 22-, 23-first starts shooting soon
Structure, 24-the first elevating mechanism；3-resistance straightening unit, 31-upper straightening roll box, smoothing roll box under 32-, the fast opening mechanism of 33-second, 34-
Second elevating mechanism；4-inlet turning roll；5-outlet turning roller；6-collection device, 61-collection bucket, 62-collecting tank；7-purges
Device, 71-upper jet pipe group, jet pipe group under 72-, jet pipe group in 73-；8-brush roll arrangement, 81-upper brush roll mechanism, the upper brush roll of 811-,
812-top link, the upper adjusting means of 813-, brush roll under 821-, 822-lower swing arm, adjusting means under 823-, 83-brush roll bearing,
84-dust cover, 841-dust removal port.
Detailed description of the invention
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail；Should be appreciated that preferred embodiment
Only for the explanation present invention rather than in order to limit the scope of the invention.
As it is shown in figure 1, the straightening descaling mill of the present invention include frame 1, be located at the inlet turning roll 4 of frame 1 entrance side with
And two groups of bending units 2 of being located in frame 1 and one group of resistance straightening unit 3, described bending unit 2 include bending roll box 21, under
The first fast opening mechanism 23 that bending roll box 22 and the upper bending roll box 21 of driving move up and down, described resistance straightening unit 3 includes rectifying
The second fast opening mechanism 33 that straight roller box 31, lower smoothing roll box 32 and driving upper straightening roll box 31 move up and down, also includes being located at
The outlet turning roller 5 of frame 1 outlet side, described inlet turning roll 4 and outlet turning roller 5 be all fixed on frame 1 lateral wall, and
Co-located height；Described bending unit 2 also includes the first elevating mechanism 24 driving lower bending roll box 22 to move up and down；
Described resistance straightening unit 3 also includes the second elevator driving the lower smoothing roll box 33 with two big roller footpath smoothing rolls to move up and down
Structure 34.
Concrete, this equipment basic structure form for be disposed with two groups of bendings in frame 1 along its roll line direction
Unit 2 and one group of resistance straightening unit composition 3, the version of two groups of bending units 2 is just the same, the entrance side of frame 1 and outlet
Side is respectively arranged with the fixing inlet turning roll 4 in position and outlet turning roller 5, and is positioned on the lateral wall of frame 1, and passes through spiral shell
Tethering the mode connect to be fixed together with frame 1, due to inlet turning roll 4 and outlet turning roller 5, to be respectively positioned on frame 1 external
Side, so installing and safeguarding very convenient；Described first fast opening mechanism 23 and the second fast opening mechanism 33 for open hydraulic jack soon, its
Base is fixed in frame 1, and joint is affixed with upper bending roll box 21 and upper straightening roll box 31 respectively, to realize upper bending roll box 21
Move with under upper straightening roll box 31 in the vertical direction；Meanwhile, the smoothing roll in big for two in resistance straightening unit 3 roller footpath is arranged at
In lower smoothing roll box 31, to alleviate mechanism's burden, and it is set to model of action, is arranged in below strip steel, by the second elevating mechanism
34 realize the function of lifting on vertical direction, and utilize the encoder (not shown) configured thereon that aligning drafts is carried out essence
Really adjust；Equally, lower bending roll box 22 is realized the function of lifting on vertical direction by the first elevating mechanism 24, and utilizes thereon
Bending drafts is accurately adjusted by the encoder (not shown) of configuration；Described first elevating mechanism 24 and the second elevating mechanism
34 is spiral lift, and described spiral lift is driven by gear motor and realizes oscilaltion.
In the present embodiment, inlet turning roll 4 and outlet turning roller 5 position are contour, and their upper outside common tangent forms position
Putting line II, this crosses for strip steel sky or the empty of strip steel crosses line time weld seam passes through；When the first fast opening mechanism 23 and the second fast opening mechanism
33 when being in zero-bit, and the most all working rolls being positioned at above strip steel are in initial position, their lower outside common tangent forming position
Line I, this position line I also falls the upper changing track for roll position line in frame 1 for all working rolls being positioned at above strip steel, and when the
When one fast opening mechanism 23 and the second fast opening mechanism 33 are in maximum travel position, the most all working rolls being positioned at above strip steel are in
Maximum displacement position, their lower outside common tangent forming position line III, this position line III also works for all being positioned at above strip steel
The operating position line of roller；When the first elevating mechanism 24 and the second elevating mechanism 34 are in zero-bit, the most all it is positioned at below strip steel
Working roll be in initial position, their upper outside common tangent forming position line IV, this position line IV is also positioned at strip steel for all
The working roll of lower section falls the lower changing track for roll position line in frame 1, and when the first elevating mechanism 24 and the second elevating mechanism 34
When being in maximum travel position, the most all working rolls being positioned at below strip steel are in maximum displacement position, and their upper granddad cuts
Line is less than the position line II；It is exactly to be disposed with the position line I, II, III, IV from top to bottom at vertical direction for Jian Dan,
Its position line II is to cross or the position line of strip steel time weld seam passes through for controlling strip steel sky, prevents strip steel weld joint and upper and lower work
Make roller roll surface contact, thus avoid weld seam by time scratch roll surface and shorten the working roll life-span.
The straightening descaling mill of present invention operating process under different process is as follows:
1, normal operating conditions:
When strip steel normal through time, the strip steel between inlet turning roll 4 and outlet turning roller 5 is by bending roll on two
Working roll on box 21 and a upper straightening roll box 31 is respectively under the effect of the first fast opening mechanism 23 and the second fast opening mechanism 33
It is pressed at the position line III, and the working roll of two lower bending roll boxes 22 and a lower smoothing roll box 32 is respectively at the first elevating mechanism
24 and second elevating mechanism 34 effect under be in pre-set operating position, thus strip steel is implemented straightening scale breading.
2, weld seam state is crossed
When strip steel weld joint is passed through, the first fast opening mechanism 23 and the second fast opening mechanism 33 fast retractile, to zero-bit, make curved
The all working roller that curved roll box 21 and upper straightening roll box 31 are in above the position line I, i.e. strip steel does not contacts with the strip, and now carries
Steel springs back to the position line II, due to design time all lower bending roll boxes 22 and lower smoothing roll box 32 on maximum displacement operating position
All it is not higher than the position line II, does not contacts with all working roller in frame when such strip steel passes through, because of all without scratch
Work roll surface in roller box, improves the service life of working roll；After weld seam passes through, by the first fast opening mechanism 23 and
Two fast opening mechanisms 33 quickly reach maximum travel position, and at this moment strip steel is pressed back into again operating position line III, and due to band
The operating position of all roller boxes below steel is not adjusted, thus straightening scale breading function has quickly recovered to weld seam by front
Duty, improve the response speed of equipment.
3, strip steel sky crosses state:
When strip steel be in empty cross state time, the first fast opening mechanism 23 and the second fast opening mechanism 33 be in zero-bit, all is positioned at
Roller box above strip steel is in the position line I, and the most all roller boxes being positioned at below strip steel are in the position line IV, it is ensured that machine
All roller boxes in frame do not contact with the strip, thus avoid working roll scratch, extend the service life of working roll.
4, roll change state:
When needs carry out complete machine roller replacing operation, the first fast opening mechanism 23 and the second fast opening mechanism 33 move on to zero-bit, institute
Having and be positioned at the roller box above strip steel and be in the position line I, the first elevating mechanism 24 and the second elevating mechanism 34 move down into zero-bit, all
It is positioned at the roller box below strip steel and is in the position line IV, now can carry out complete machine roll change by roll change buggy.When needs are curved to single group
When Qu Danyuan 2 carries out online roll change, its first corresponding fast opening mechanism 23 returns to zero-bit, and upper bending roll box 21 rises, under curved
Curved roll box 22 is moved down into zero-bit by the first elevating mechanism, then utilizes roll change buggy to pull out old bending unit 2, and pushes new bending
Unit, same, the roller replacing mode of resistance straightening unit 3 is as single group bending unit 2.
As the improvement of the present embodiment, also include that collection device 6, described collection device 6 include collection bucket 61, collecting tank 62
And be positioned at the sealing plate (not shown) of frame 1 surrounding, its main purpose for the strip steel passed through in frame at straightening scale breading
After drop under iron scale be collected process work.
Concrete, be spaced frame 1 in and be disposed with multiple collection bucket 61, the most described frame 1 entrance side with adjacent under curved
Between curved roll box 22, between two lower bending roll boxes 22 and lower smoothing roll box respectively with adjacent lower bending roll box 22 and frame
Gap between 1 outlet side is provided with described collection bucket 61, and described collecting tank 62 is arranged at the underface of frame 1, band
Iron scale under straightening scale breading drops on steel is flowed in the collecting tank 62 communicated therewith by collection bucket 61, finally by even
The first logical depression dust-removing pipeline (unmarked) is unified discharges, good dedusting effect.
As the improvement of the present embodiment, also include that blow device 7, described blow device 7 include being arranged at the described position line I
The upper jet pipe group 71 of both sides, top and be arranged at the lower jet pipe group 72 of both sides below the described position line IV and middle middle jet pipe
Group 73, described upper jet pipe group 71, lower jet pipe group 72 and middle jet pipe group 73 are formed by the jet pipe of some band nozzles, are respectively arranged
In the both sides up and down of strip steel, and it is disposed with several on every jet pipe and blows the nozzle that firing angle degree is different, be so beneficial on strip steel
Iron scale is quickly removed.
Concrete, it is respectively arranged at frame 1 entrance side and outlet side and is positioned at the upper jet pipe group above the described position line I
71, it is respectively arranged at frame 1 entrance side and outlet side and is positioned at the lower jet pipe group 72 below the described position line IV and sets respectively
Be placed in the middle jet pipe group 73 at two lower bending roll boxes 22 and lower smoothing roll box 32, on every jet pipe of described upper jet pipe group 71 between
Every being provided with row's nozzle that direction is identical, its nozzle is arranged diagonally downward towards the middle part of frame, for passing through below
Strip steel upper surface carries out purging work；Two row's nozzles that setting direction is different it are spaced on every jet pipe of described lower jet pipe group 72,
Wherein row's nozzle tilts upward layout towards the middle part of frame, carries out purging work for the strip steel lower surface that side passes through on which
Make, and another row's nozzle is arranged straight down, enter in collection bucket 61 for accelerating the iron scale of free state, be beneficial to collect
Device 6 is collected；Further, the nozzle co-operating that upper jet pipe group 71 nozzle diagonally downward and lower jet pipe group 72 tilt upward is at machine
The entrance side of frame 1 or outlet side also form an air curtain, can effectively stop the iron scale in frame 1 to entrance side or outlet side
Mobile；Being arranged at intervals with two row's nozzles that direction is different on every jet pipe of described middle jet pipe group 73, wherein row's nozzle is vertical
Arrange downwards, enter in collection bucket 61 for accelerating the iron scale of free state, and another row's nozzle level is arranged downwards,
For purging the iron scale piled up on the working roll box below all strip steel.
As the improvement of the present embodiment, also include that brush roll arrangement 8, described brush roll arrangement 8 include brush roll mechanism 81, lower brush
Roller mechanism 82 and for fixing upper brush roll mechanism 81 and the brush roll bearing 83 of lower brush roll mechanism 82, described upper brush roll mechanism 81 He
Lower brush roll mechanism 82 is positioned at the both sides up and down of strip steel, and described upper brush roll mechanism 81 includes brush roll 811, for being connected to upper brush roll
The top link 812 at 811 two ends and the upper adjusting means 813 swung for two top links 812；Under described lower brush roll mechanism 82 includes
Brush roll 821, for be connected to lower brush roll 821 two ends lower swing arm 822 and for two lower swing arms 822 swing lower adjusting means
823；Described brush roll bearing 83 is fixed in frame 1, also can individually fixedly mount, and is effectively increased the flexible of brush roll arrangement 8
Property, convenient operation, it is beneficial to maintenance.
Concrete, upper brush roll 811 and lower brush roll 821 are positioned at the both sides up and down of strip steel；Top link 812 one end is hinged on brush roll
On bearing 83, the other end is hinged with upper adjusting means 813, and upper brush roll 811 is fixed on the bearing block of top link 812 end
(not shown), is connected with top link 812 by upper adjusting means 813；Upper adjusting means 813 is main by two spiral liftings of front and back
Machine (not shown) and synchronizing shaft (not shown) are constituted, and i.e. two spiral lifts are by synchronizing shaft respectively with two top links 812 even
Connect, and driven synchronizing shaft by motor, thus drive two spiral lifts to realize brush roll two ends and synchronize upper and lower swing, the most not
In same embodiment, it would however also be possible to employ manual mode drives synchronizing shaft, equally reaches above-mentioned purpose.In like manner, lower brush roll 821
Connected mode with holding function as upper brush roll 811, do not state tired.When upper and lower brush roller works a period of time
After, bristle thereon has abrasion, now can adjust upper brush roll respectively by upper adjusting means 813 and lower adjusting means 823
811 and lower brush roll 821 swing up and down the contact pressure adjusted with strip steel, to guarantee that iron scale obtains good brush to be cut
Effect.
In the present embodiment, described brush roll arrangement 8 surrounding is provided with dust cover 84, whole brush roll arrangement can be covered
Come, can prevent the iron scale dust brushing from flying upward everywhere；The lower section of described dust cover 84 is provided with dust removal port 841, described removes
The general corrugated tube (not shown) of crossing of dirt mouth 841 is connected with the second dedusting pipeline (not shown), the oxygen that can will produce in production process
Change iron sheet dust to take away；And dust removal port 841 is arranged at the transmission side of frame 1, so will not interfere with fore side；Certainly not
In same embodiment, it is possible to need to be arranged in the fore side of frame 1 according to technique；And another also can be offered in the top of dust cover 84
Individual dust removal port (not shown), to strengthen the emission effect of brush roll arrangement 8 internal oxidition iron sheet.
In the present embodiment, described brush roll arrangement 8 is arranged at frame 1 outlet side, the most in various embodiments, and also can be with
Time arrange at frame entrance side, to strengthen further the iron scale sweeper entered on the belt steel surface before straightening descaling mill
Make, improve the efficiency of follow-up straightening scale breading.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of the technical program, it all should be contained in the present invention
Right in the middle of.
Claims (8)
1. a straightening descaling mill, the inlet turning roll including frame, being located at frame entrance side and two groups be located in frame
Bending unit and one group of resistance straightening unit, described bending unit includes bending roll box, lower bending roll box and drives upper bending roll
The first fast opening mechanism that box moves up and down, described resistance straightening unit includes upper straightening roll box, lower smoothing roll box and drives upper aligning
The second fast opening mechanism that roller box moves up and down, it is characterised in that:
Also including the outlet turning roller being located at rack outlet side, described inlet turning roll and outlet turning roller are all fixed in outside frame
On side, and co-located height；Described bending unit also includes the first elevator driving lower bending roll box to move up and down
Structure；Described resistance straightening unit also includes the second elevator driving the lower smoothing roll box with two big roller footpath smoothing rolls to move up and down
Structure；Wherein:
Described inlet turning roll and the upper outside common tangent forming position line II of outlet turning roller；
The lower outside common tangent forming position line I of the working roll initial position of described upper bending roll box and upper straightening roll box, it is maximum
The lower outside common tangent forming position line III of displaced position；
The upper outside common tangent forming position line IV of the working roll initial position of described lower bending roll box and lower smoothing roll box, it is maximum
The upper outside common tangent of displaced position is less than the position line II；
The described position line II crosses line for strip steel sky, and it is provided above the position line I, and lower section is disposed with the position line III and position
Line IV；The described position line III is the working roll operating position line of upper bending roll box and upper straightening roll box.
Straightening descaling mill the most according to claim 1, it is characterised in that: also include collection device, described collection device bag
Including collection bucket, collecting tank and be positioned at the sealing plate of frame surrounding, described collection bucket is arranged at two lower bending roll boxes, lower alignings
Roller box and frame gap each other, described collecting tank is arranged at the underface of frame, its upper end and described collection bucket phase
Even, lower end is communicated with the first dedusting pipeline.
Straightening descaling mill the most according to claim 1, it is characterised in that: also include blow device, described blow device bag
Include and be arranged at the upper jet pipe group of both sides above the described position line I and be arranged at the lower jet pipe group of both sides below the described position line IV
With middle middle jet pipe group, described upper jet pipe group, lower jet pipe group and middle jet pipe group are formed by the jet pipe of some band nozzles.
Straightening descaling mill the most according to claim 3, it is characterised in that: it is spaced on every jet pipe of described upper jet pipe group and sets
Being equipped with row's nozzle that direction is identical, its nozzle is arranged diagonally downward towards the middle part of frame；Every jet pipe of described lower jet pipe group
Two row's nozzles that upper interval setting direction is different, wherein row's nozzle tilts upward layout towards the middle part of frame, and another arranges nozzle
Arrange straight down；Two row's nozzles that direction is different, wherein row's spray it is arranged at intervals with on every jet pipe of described middle jet pipe group
Mouth is arranged straight down, and another row's nozzle level is arranged downwards.
Straightening descaling mill the most according to claim 1, it is characterised in that: also include brush roll arrangement, described brush roll arrangement bag
Kuo Shang brush roll mechanism, lower brush roll mechanism and for installing brush roll mechanism and the brush roll bearing of lower brush roll mechanism, described upper brush
Roller mechanism includes brush roll, for the top link being connected to upper brush roll two ends and the upper adjusting means swung for two top links；
Described lower brush roll mechanism includes lower brush roll, for the lower swing arm being connected to lower brush roll two ends and the downward swung for two lower swing arms
Regulating device；Described brush roll bearing is fixed in frame, also can individually fixedly mount.
Straightening descaling mill the most according to claim 5, it is characterised in that: described upper adjusting means and lower adjusting means by
Two spiral lifts and synchronizing shaft composition, described synchronizing shaft can be driven by motor, also can be by manual actuation.
Straightening descaling mill the most according to claim 6, it is characterised in that: it is provided with dust cover, institute in described brush roll arrangement
The lower section stating dust cover is provided with dust removal port, and described dust removal port is communicated with the second dedusting pipeline.
8. according to the straightening descaling mill described in any one of claim 5-7, it is characterised in that: described brush roll arrangement is arranged at frame
Outlet side, also can be arranged at frame entrance side simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510727894.9A CN105170666B (en) | 2015-10-30 | 2015-10-30 | A kind of straightening descaling mill |
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| CN201510727894.9A CN105170666B (en) | 2015-10-30 | 2015-10-30 | A kind of straightening descaling mill |
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| CN105170666A CN105170666A (en) | 2015-12-23 |
| CN105170666B true CN105170666B (en) | 2017-01-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378717A (en) * | 2017-08-14 | 2017-11-24 | 江苏双腾管业有限公司 | A kind of steel strip surface pretreatment unit |
| WO2019056220A1 (en) * | 2017-09-20 | 2019-03-28 | 江苏亚威机床股份有限公司 | Multi-roller-type tension device |
| CN109365539B (en) * | 2018-12-07 | 2023-09-15 | 苏州大方特种车股份有限公司 | Roller box stacks split device |
| CN109500106A (en) * | 2018-12-28 | 2019-03-22 | 北京京诚之星科技开发有限公司 | Scale breaking withdrawal and straightening machine |
| CN111229835B (en) * | 2020-01-15 | 2021-03-05 | 北京科技大学 | Wrap angle adjustable stretch bending straightening machine |
| CN111482471A (en) * | 2020-05-14 | 2020-08-04 | 中冶京诚工程技术有限公司 | Strip steel descaling production line, strip steel descaling system and strip steel descaling method |
| CN115365326A (en) * | 2022-09-21 | 2022-11-22 | 中冶南方工程技术有限公司 | Tension leveler for straightening metal plate strip |
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| JPS606218A (en) * | 1983-06-23 | 1985-01-12 | Mitsubishi Heavy Ind Ltd | Method and device for cooling hot rolled steel sheet |
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| CN105170666A (en) | 2015-12-23 |
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