CN107052083A - Hot rolled steel coil unloading method - Google Patents
Hot rolled steel coil unloading method Download PDFInfo
- Publication number
- CN107052083A CN107052083A CN201710188867.8A CN201710188867A CN107052083A CN 107052083 A CN107052083 A CN 107052083A CN 201710188867 A CN201710188867 A CN 201710188867A CN 107052083 A CN107052083 A CN 107052083A
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- Prior art keywords
- coil
- strip
- reel
- carrying roller
- rolled steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008093 supporting effect Effects 0.000 claims abstract description 25
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 10
- 235000011613 Pinus brutia Nutrition 0.000 claims description 10
- 241000018646 Pinus brutia Species 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000277275 Oncorhynchus mykiss Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses a hot rolled steel coil uncoiling method, which is applied to the technical field of steel rolling and comprises the following steps: under the contact state between the carrier roller and the outermost circle of the steel coil, the winding drum is controlled to rotate reversely for the first time so as to drive the steel coil to rotate and loosen for the outer n circles until the sum of the gaps is larger than or equal to a preset gap value; fixing the tail part of the steel coil on the outermost ring of the steel coil; controlling the winding drum to perform second reversal in a secondary expansion state under the condition that the support roller is in a separation state with the outermost circle of the steel coil so as to reverse until the current expansion diameter value of the winding drum is larger than the contraction diameter of the winding drum by a preset difference value; the coil unloading trolley is lifted to a position that the supporting roller is in a coil supporting state relative to the steel coil, the winding drum is controlled to be in a contraction state, and the movable support is in an opening position relative to the winding drum, so that the steel coil falls down from the winding drum. The invention solves the technical problem of long coil unloading time of the accident coil, further shortens the coil unloading time and the complexity of the accident coil and realizes the recovery of normal production of the coiling machine as soon as possible.
Description
Technical field
The present invention relates to technical field of steel rolling, more particularly to a kind of coils of hot-rolled steel coil stripping method.
Background technology
Hot-rolled strip production line coiling machine normally unloads that to lick journey as follows：Reel coiling machine under the state that once rises connects volume；Band
Secondary rise of reel sets up coil tension force after steel head winding reel volume 4-6 circles, and Wrapping Roll is opened；Coil stripping car, which rises, after coiled touches
After volume, pressure tail success, reel stops operating；Carrying roller locking cylinder is locked, and the weight that reel shrinks coil of strip and reel disengagement, coil of strip falls
On coil stripping car；Movable supporting is opened, and coil stripping car movement draws off coil of strip, and volume is unloaded in completion.
Coiling machine, which can exist, in hot-strip production process following unloads volume problem：1st, due to rising during reel coil
Let out in contracting cylinder or the actual value that rises of reel that hydraulic control valve failure is caused is small, can not formed between coil of strip and reel when unloading volume and unload volume
Gap；2nd, because communicative reasons or other reasons cause hydraulic station to jump pump during reel coil, coil loses rising for reel
Clamp force, coil of strip is by reel locking.It can not be formed between above-mentioned two situations, coil of strip and reel and unload volume gap, coil of strip can not be just
Often draw off, strip can only be made to be put into layer-cold roller way coil of strip reversion, the strip of relieving is cut into some sections with gas cutting, then use
Other coiling machines are rolled into rouleau, so handle, accident volume to unload the volume time oversize, so as to have a strong impact on manufacturing schedule.
The content of the invention
The embodiment of the present invention is by providing a kind of coils of hot-rolled steel coil stripping method, to solve the skill for unloading volume time length of accident volume
Art problem.
A kind of coils of hot-rolled steel coil stripping method provided in an embodiment of the present invention, applied in coiling machine, the coiling machine includes
Reel, multiple Wrapping Rolls of reel outer periphery distribution, the coil stripping car below the reel, the support reel
Movable supporting, wherein, be provided with carrying roller at the top of the coil stripping car, its described coils of hot-rolled steel coil stripping method includes：
Control the relatively described reel of the movable supporting to be in close stance and the relatively described reel of the Wrapping Roll to beat
Open position；
It is between the outermost one of the carrying roller and the coil of strip is enclosed under contact condition, controls the reel to carry out first
Secondary reversion, to drive being enclosed in outer n for the coil of strip to turn pine to gap sum more than or equal to predetermined gap value, n is whole more than 1
Number；
The outermost one that the afterbody of the coil of strip is fixed on into the coil of strip is enclosed；
It is between the outermost one of the carrying roller and the coil of strip is enclosed under disengaged position, controls the reel to rise secondary
Carry out inverting for second under state, it is predetermined poorer greatly than the contracted diameter of the reel with the current footpath value that rises for being inverted to the reel
Value；
The coil stripping car is risen into the relatively described coil of strip of the carrying roller and is in support volume state, the control reel in receipts
Contracting state and by the relatively described reel of the movable supporting be in open position so that the coil of strip is fallen from the reel.
Optionally, the afterbody by the coil of strip is fixed on the outermost one of the coil of strip and enclosed, and comprises the following steps：
When the coil stripping car to be risen to the outer ring for making the carrying roller compress the coil of strip, the locking of the carrying roller is locked
Cylinder, wherein, the afterbody of the coil of strip compresses the distance between position of outer ring of the coil of strip with the carrying roller in preset range
It is interior；
In the outside of the coil of strip by cooling water temperature at least 10 minutes, and described help the shape that safety pin is inserted with volume arm
Under state, the outermost one that the afterbody of the coil of strip is welded on into the coil of strip is enclosed；
The safety pin is extracted from described help on volume arm；
The locking cylinder is opened, the position that the coil stripping car is compressed to the outer ring of the coil of strip from the carrying roller drops to
The carrying roller departs from the outer ring of the coil of strip.
Optionally, after the coil of strip is fallen from the reel, methods described also includes：
It will be removed by the coil stripping car from the coil of strip fallen on the reel from the coiling machine；
The coil of strip is discharged into fixed coil rest from the coil stripping car, to complete to unload volume.
Optionally, the rotating speed of the first time reversion is 0.5m/s.
Optionally, the rotating speed of second of reversion changes in 3-10m/s.
Optionally, the coil of strip is discharged into fixed coil rest from the coil stripping car described, to complete after unloading volume, institute
Stating method also includes：
The coil stripping car is down to behind bottom and moves into the coiling machine, the relatively described reel of the movable supporting is in
Close stance and the control reel are in the state that once rises；
The coiling machine plays car and carries out simulation coil；
When monitoring that simulation coil is normal, coiling machine input is subjected to coiling band steel.
Optionally, the coil of strip is discharged into fixed coil rest from the coil stripping car described, to complete after unloading volume, institute
Stating method also includes：Automatic oiling pattern is switched to after 10 minutes to the wound roll fuel filling.
Optionally, the predetermined gap value is specially 100-150mm.
Optionally, the preset range is specially：200mm-350mm.
Optionally, the predetermined difference value is specially 8mm-15mm.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：
By elder generation, in the case where being in contact condition between the outermost one of carrying roller and coil of strip is enclosed, control reel carries out first time reversion,
So as to drive being enclosed in outer n for coil of strip to turn pine generation gap；The afterbody of coil of strip is fixed on after the outermost one of coil of strip encloses again
In second of the reversion of disengaged position lower mandrel member between the outermost one of carrying roller and coil of strip is enclosed, make the current footpath value that rises of reel than volume
The big predetermined difference value of contracted diameter of cylinder, so that gap can all be produced by inverting the often circle of lower coil of strip for second, and then can make coil of strip
Fallen controlling reel to be in when contraction state and movable supporting are in open position with respect to reel from reel, and carrying roller is with respect to steel
Volume is in support volume state so that whole coil of strip is fallen directly on coil stripping car, therefore whole process first need not cut coil of strip
Be rolled into rouleau with the coiling machine of other models again after into some sections and expend the long time, with shorten accident volume unload volume duration
And complexity, realize the normal production for recovering coiling machine as early as possible.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of coiling machine；
Fig. 2 is the flow chart of coils of hot-rolled steel coil stripping method in the embodiment of the present invention；
Fig. 3 A are schematic diagram of the reel in the secondary state that rises in Fig. 1；
Fig. 3 B are schematic diagram of the reel in contraction state in Fig. 1；
Fig. 4 is the view after coils of hot-rolled steel coil stripping method provided in an embodiment of the present invention is inverted in first time；
Fig. 5 is the view after coils of hot-rolled steel coil stripping method provided in an embodiment of the present invention is inverted at second.
Embodiment
The embodiment of the present invention solves the skill for unloading volume time length of accident volume by providing a kind of coils of hot-rolled steel coil stripping method
Art problem, general thought is as follows：
First in the case where being in contact condition between the outermost one of carrying roller and coil of strip is enclosed, control reel carries out first time reversion, will
Coil of strip turns pine to gap sum in outer n circles and is more than or equal to predetermined gap value, then the afterbody of coil of strip is fixed on into coil of strip most
Control reel to carry out second in the case where being in disengaged position between the outermost one of carrying roller and coil of strip is enclosed after an outer circle to invert, to invert
To current contracted diameter big predetermined difference value of the footpath value than reel that rise of reel；Coil stripping car is finally risen into carrying roller with respect to coil of strip
Open position is in contraction state and by movable supporting with respect to reel so that coil of strip is from reel in support volume state, control reel
On fall.So that whole coil of strip falls directly into coil stripping car, and coil of strip first need not be cut into some sections by whole process
It is rolled into rouleau with other coiling machines again afterwards and expends the long time, duration and operation complexity is rolled up to shorten unloading for accident volume,
Realize the normal production for recovering coiling machine as early as possible.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
Technical scheme is stated to be described in detail.
Coils of hot-rolled steel coil stripping method provided in an embodiment of the present invention, applied to reference in the coiling machine shown in Fig. 1, such as Fig. 1
Shown, coiling machine includes reel 2, multiple Wrapping Rolls 4, the coil stripping car positioned at the lower section of reel 2 of the outer periphery distribution of reel 2
6th, the movable supporting 3 of reel 2 is supported, wherein, the top of coil stripping car 6 is provided with carrying roller 5.
With reference to shown in Fig. 2, Fig. 2 is the flow chart of coils of hot-rolled steel coil stripping method in the embodiment of the present invention, the embodiment of the present invention
The coils of hot-rolled steel coil stripping method of offer comprises the following steps：
First, S101 is performed：Control movable supporting 3 is in close stance and Wrapping Roll 4 with respect to reel 2 and is in respect to reel 2
Open position.
It should be noted that with reference to shown in Fig. 1, movable supporting 3 is in close stance with respect to reel 2：Two activity branch
The upper end of support 3 supports reel 2 jointly.And movable supporting 3 is in open position with respect to reel 2：The upper end of two movable supportings 3
Critical distance is disengaged to reel 2.
With continued reference to shown in Fig. 1, specifically.Three Wrapping Rolls 4 are distributed with the outer periphery of reel 2, Wrapping Roll 4 is relative
Reel 2 is in open position：Three Wrapping Rolls 4 open to the distance between reel 2 position that reaches capacity.After S101
In step, three Wrapping Rolls 4 are constantly in open position with respect to reel 2, and two relative volumes in S101~S104 of movable supporting 3
Cylinder 2 is in close stance, and changes in step S105 to relative reel 2 and be in close stance.
After S101 is performed, S102 is then carried out：Contact condition is between the outermost one of carrying roller 5 and coil of strip 1 is enclosed
Under, control reel 2 carries out first time reversion, to drive being more than or equal in 1-1 turns of pines of outer n circles to gap sum for coil of strip 1 pre-
Fixed gap value, n is the integer more than 1.
Specifically, in S102, making carrying roller 5 be contacted with the circle of outermost one of coil of strip 1 by the rising of coil stripping car 6.It is real one
Apply in example, the pressure between carrying roller 5 and coil of strip 1 detected by the pressure sensor being arranged between idler roller of trolley 5 and coil of strip 1,
The initial time of pressure value is produced between carrying roller 5 and coil of strip 1 to contact with the outermost a roll of coil of strip 1 for carrying roller 5.In coil stripping car
In 6 uphill process, the pressure in pressure sensor gradually increases, and the pressure value detected in pressure sensor is equal to preset pressure
During limit value, it is determined that being in contact condition between the outermost one of carrying roller 5 and coil of strip 1 is enclosed.
Contacted by carrying roller 5 with the circle of outermost one of coil of strip 1, be conducive to the coil of strip 1 that will be rolled tightly is turned pine in outer n circle 1-1.
Specifically, reel 2 carries out first time reversion under the secondary state that rises with reference to shown in Fig. 3 A.The secondary of reel 2 rises
The footpath maximum that rises under state is 762mm.
Specifically, rotating speed when inverting for the first time is 0.5m/s, so that it is guaranteed that reel 2 is reversed to low speed in first time, just
The coil of strip 1 rolled tightly is enclosed into 1-1 in outer n in stabilization and is turned pine.
Specifically, turning pine to gap sum more than or equal to predetermined gap value in outer n circles 1-1 shown in Fig. 4 for coil of strip 1
When state, and the interior layer 1-2 of coil of strip 1 be in roll tightly state.
Steel plate thickness, the diameter of coil of strip 1 and the coiling machine window size that predetermined gap value is specifically configured to according to coil of strip 1 are set
It is fixed, it is specifically as follows any value in 100-150mm.In the steel plate thickness of different coil of strips 1, the diameter of coil of strip 1 and batch aircraft window
Under mouth dimensional conditions, predetermined gap value is different, Ke Yiwei：Appointing in 100mm, 110mm, 120mm, 130mm, 140mm, 150mm
One.
It should be noted that monitor coil of strip 1 outer n circles 1-1 turn pine to gap sum be more than or equal to it is predetermined between
During gap value, control reel 2 stops operating.
After S102 is performed, S103 is then performed：The outermost one that the afterbody of coil of strip 1 is fixed on into coil of strip 1 is enclosed.
In one embodiment, the outermost one for the afterbody of coil of strip 1 specially being welded on into coil of strip 1 is enclosed.It had been embodied
Cheng Zhong, by following flow S1031~S1034, the outermost of coil of strip 1 is welded on the afterbody by coil of strip 1 for realizing safety and precise
On one circle：
First, S1031 is performed：When coil stripping car 6 to be risen to the outer ring for making carrying roller 5 compress coil of strip 1, locking carrying roller 5
Locking cylinder 7, wherein, afterbody and the carrying roller 5 of coil of strip 1 compress the distance between position of outer ring of coil of strip 1 within a predetermined range.
In S1031, with reference to shown in Fig. 4, preset range is specially 200mm-350mm.In specific implementation process, carrying roller
5 compress the distance between afterbody of position and the coil of strip 1 of the outer ring of coil of strips 1 can for 200mm, 220mm, 240mm, 260mm,
Any value in 280mm, 300mm, 320mm, 340mm, 350mm.In a preferred embodiment, carrying roller 5 compresses the outer ring of coil of strip 1
The distance between the afterbody of position and coil of strip 1 be 300mm.
Then, S1032 is performed：After the outside of coil of strip 1 was by cooling water temperature at least 10 minutes, helps on volume arm and be inserted with peace
In the state of full pin, the outermost one that the afterbody of coil of strip 1 is welded on into coil of strip 1 is enclosed.
Specifically, in S1032, the purpose afterbody of coil of strip 1 being welded on the outer ring of coil of strip 1 is by the strip of coil of strip 1
Together with afterbody encloses firm welding with the outermost one of coil of strip 1, to ensure that the reversion by reel 2 can make reel 2 and coil of strip 1
Each circle all produces gap, is enclosed from outermost one to a most interior circle and all produces gap.Specifically, with reference to shown in Fig. 4, in coil of strip 1
Afterbody and coil of strip 1 outermost one enclose between wedge round steel, by the lap welding of outermost one of round steel respectively with strip afterbody and coil of strip 1
Connect, so as to realize that the afterbody of coil of strip 1 is welded on the outermost one of coil of strip 1 circle.Such as, round steel can be the long 400mm of diameter 20mm
Round steel.
In a preferred embodiment, including point out in tripartite's confirmation and setting maintenance before performing S1032.Holding
Also include carrying out tripartite's confirmation and set in operation to point out after row S1032, make welding process safer.
By cooling at least 10 minutes to the outside of coil of strip 1, can avoid the high temperature of coil of strip 1 influences Welding Safety,
Help volume arm insertion safety pin that Wrapping Roll 4 can be avoided to operate by mistake and influence Welding Safety.
Followed by execution S1033：By safety pin from help volume arm on extract.So as to safety pin, from helping on volume arm, extraction can
Make the normal operation of Wrapping Roll 4 in subsequent step.
Finally perform S1034：Locking cylinder 7 is opened, and coil stripping car 6 is compressed from carrying roller 5 under the position of outer ring of coil of strip 1
It is down to the outer ring that carrying roller 5 departs from coil of strip 1.
After S103, S104 is then performed：It is between the outermost one of carrying roller 5 and coil of strip 1 is enclosed under disengaged position, control
Reel 2 processed carries out second under the secondary state that rises and inverted, more straight than the contraction of reel 2 with the current footpath value that rises for being inverted to reel 2
The big predetermined difference value in footpath.
In S104, by making each circle of reel 2 and coil of strip 1 all produce gap, until a most interior circle all produces gap, join
Coil of strip 1 in examining shown in Fig. 5.The position that the outermost one that carrying roller 5 departs from coil of strip 1 is enclosed can be relative for the coil stripping car 6 shown in Fig. 1
Reel 2 is in the next position, or higher than the next position.It should be noted that coil stripping car 6 is in the next meaning
Reached capacity for the distance between coil stripping car 6 and reel 2.
Specifically, the rotating speed of second of reversion is in 3-10m/s.In specific implementation process, the rotating speed of second of reversion
Gradually increase since 3m/s, but be no more than 10m/s.
Rise footpath value of the monitoring reel 2 under the secondary state that rises when controlling reel 2 to invert, to monitor whether reel 2 inverts
To current contracted diameter big predetermined difference value of the footpath value than reel 2 that rise of reel 2.
It should be noted that the contracted diameter of reel 2 is：Reel 2 when reel 2 is in contraction state as shown in Figure 3 B
Diameter.The contracted diameter of reel 2 is 727mm.
In a preferred embodiment, progress can be interrupted in the process of second of reversion of control reel 2.Wherein, in reel 2
Control reel 2 carries out harmomegathus action when reversion is carried out；Pushed up, compressed steel rolls up 1, rolled up simultaneously repeatedly by carrying roller 5 when reel 2 stops
Cylinder 2 still carries out harmomegathus action.It is rapidly achieved the purpose is to the footpath value that rises for making reel 2 and unloads rollback request.
Wherein, the footpath maximum that rises under the secondary state that rises on the premise of no more than 762mm, will be inverted to volume for 762mm
Contracted diameter big predetermined difference value of the footpath value than reel 2 that rise of cylinder 2.In specific implementation process, predetermined difference value is specially 8mm-
15mm.Such as, predetermined difference value can be any difference in 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm.
It should be noted that reel 2 rise footpath value than reel 2 contracted diameter big predetermined difference value when, control reel 2 stops
Reversion.
After S104, S105 is then performed：By coil stripping car 6 rise to carrying roller 5 with respect to coil of strip 1 be in support volume state,
Reel 2 is controlled in contraction state, and the relative reel 2 of movable supporting 3 is in open position so that coil of strip 1 is fallen from reel 2.
It should be noted that movable supporting 3 is in respect to reel 2 shown in state reference Fig. 4 and Fig. 5 of open position, two
Movable supporting 3 departs from reel 2 and does not provide support force to reel 2.It should be noted that carrying roller 5 is in support volume state：Steel
Volume 1 is supported on the carrying roller 5 on coil stripping car 6, and then volume state is being held in the palm for carrying roller 5 during Fig. 5 is shown.
Because reel 2 changes to contraction state, so that a most interior circle for coil of strip 1 departs from reel 2, movable supporting 3 is relative
Reel 2 is in open position, so that coil of strip 1 can be fallen from reel 2.Because carrying roller 5 is in support volume state, so as to be fallen from reel 2
Coil of strip 1 can fall on coil stripping car 6.
Further, after coil of strip 1 is fallen from reel 2, by coil stripping car 6 by the coil of strip 1 fallen from reel 2 from
Removed in coiling machine；Coil of strip 1 is discharged into fixed coil rest from coil stripping car 6, to complete to unload volume.
Further, after volume is unloaded in completion, it is as follows that technical scheme provided in an embodiment of the present invention also includes execution successively
Step 1~3：
Step 1, by coil stripping car 6 be down to behind bottom move into coiling machine, by movable supporting 3 with respect to reel 2 be in close stance,
The state that once rises is in control reel 2；
Step 2, coiling machine play car and carry out simulation coil；
Step 3, monitor simulation coil it is normal when, by coiling machine input carry out coiling band steel.
Specifically, once rise state when, drum diameter is 745mm.
After volume is unloaded in completion, technical scheme provided in an embodiment of the present invention also includes：Cut after being refueled 10 minutes to reel 2
Automatic oiling pattern is shifted to, so that the oil mass unloaded and expended during accident volume is supplemented, to avoid dry oil lubrication oil starvation.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：
By elder generation, in the case where being in contact condition between the outermost one of carrying roller and coil of strip is enclosed, control reel carries out first time reversion,
So as to drive being enclosed in outer n for coil of strip to turn pine generation gap；The afterbody of coil of strip is fixed on after the outermost one of coil of strip encloses again
In second of the reversion of disengaged position lower mandrel member between the outermost one of carrying roller and coil of strip is enclosed, make the current footpath value that rises of reel than volume
The big predetermined difference value of contracted diameter of cylinder, so that gap can all be produced by inverting the often circle of lower coil of strip for second, and then can make coil of strip
Fallen controlling reel to be in when contraction state and movable supporting are in open position with respect to reel from reel, and carrying roller is with respect to steel
Volume is in support volume state so that whole coil of strip is fallen directly on coil stripping car, therefore whole process first need not cut coil of strip
Be rolled into rouleau with the coiling machine of other models again after into some sections and expend the long time, with shorten accident volume unload volume duration
And complexity, realize the normal production for recovering coiling machine as early as possible.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of coils of hot-rolled steel coil stripping method, applied in coiling machine, the coiling machine includes reel, the reel outer periphery
Multiple Wrapping Rolls of distribution, the coil stripping car below the reel, the movable supporting of the support reel, wherein, it is described
Carrying roller is provided with the top of coil stripping car, it is characterised in that the coils of hot-rolled steel coil stripping method includes：
The relatively described reel of the movable supporting is controlled to be in close stance and the relatively described reel of the Wrapping Roll in opening
Position；
It is between the outermost one of the carrying roller and the coil of strip is enclosed under contact condition, controls the reel to carry out anti-for the first time
Turn, to drive being enclosed in outer n for the coil of strip to turn pine to gap sum more than or equal to predetermined gap value, n is the integer more than 1；
The outermost one that the afterbody of the coil of strip is fixed on into the coil of strip is enclosed；
It is between the outermost one of the carrying roller and the coil of strip is enclosed under disengaged position, controls the reel in the secondary state that rises
Lower second of reversion of progress, to be inverted to current contracted diameter big predetermined difference value of the footpath value than the reel that rise of the reel；
The coil stripping car is risen into the relatively described coil of strip of the carrying roller and is in support volume state, the control reel contraction-like
State and by the relatively described reel of the movable supporting be in open position so that the coil of strip is fallen from the reel.
2. coils of hot-rolled steel coil stripping method as claimed in claim 1, it is characterised in that the afterbody by the coil of strip is fixed on
On the circle of outermost one of the coil of strip, comprise the following steps：
When the coil stripping car to be risen to the outer ring for making the carrying roller compress the coil of strip, the locking cylinder of the carrying roller is locked,
Wherein, the afterbody of the coil of strip and the carrying roller compress the distance between position of outer ring of the coil of strip within a predetermined range；
In the outside of the coil of strip by cooling water temperature at least 10 minutes, and described help the state that safety pin is inserted with volume arm
Under, the outermost one that the afterbody of the coil of strip is welded on into the coil of strip is enclosed；
The safety pin is extracted from described help on volume arm；
The locking cylinder is opened, the coil stripping car is dropped to from the position of the outer ring of the carrying roller compression coil of strip described
Carrying roller departs from the outer ring of the coil of strip.
3. coils of hot-rolled steel coil stripping method as claimed in claim 1 or 2, it is characterised in that in the coil of strip from the reel
After falling, methods described also includes：
It will be removed by the coil stripping car from the coil of strip fallen on the reel from the coiling machine；
The coil of strip is discharged into fixed coil rest from the coil stripping car, to complete to unload volume.
4. coils of hot-rolled steel coil stripping method as claimed in claim 3, it is characterised in that the rotating speed of the first time reversion is
0.5m/s。
5. coils of hot-rolled steel coil stripping method as claimed in claim 3, it is characterised in that the rotating speed of second of reversion is in 3-
Change in 10m/s.
6. coils of hot-rolled steel coil stripping method as claimed in claim 3, it is characterised in that the coil of strip is unloaded into volume from described described
Dolly is discharged into fixed coil rest, and to complete after unloading volume, methods described also includes：
The coil stripping car is down to behind bottom and moves into the coiling machine, the relatively described reel of the movable supporting is in and closed
Position and the control reel are in the state that once rises；
The coiling machine plays car and carries out simulation coil；
When monitoring that simulation coil is normal, coiling machine input is subjected to coiling band steel.
7. coils of hot-rolled steel coil stripping method as claimed in claim 3, it is characterised in that the coil of strip is unloaded into volume from described described
Dolly is discharged into fixed coil rest, and to complete after unloading volume, methods described also includes：The wound roll fuel filling is switched to after 10 minutes
Automatic oiling pattern.
8. coils of hot-rolled steel coil stripping method as claimed in claim 1, it is characterised in that the predetermined gap value is specially 100-
150mm。
9. the coils of hot-rolled steel coil stripping method described in claim 2, it is characterised in that the preset range is specially：200mm-
350mm。
10. the coils of hot-rolled steel coil stripping method described in claim 1, it is characterised in that the predetermined difference value is specially 8mm-15mm.
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| CN201710188867.8A CN107052083B (en) | 2017-03-27 | 2017-03-27 | Hot rolled steel coil unloading method |
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| CN201710188867.8A CN107052083B (en) | 2017-03-27 | 2017-03-27 | Hot rolled steel coil unloading method |
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| CN107052083B CN107052083B (en) | 2019-02-01 |
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| CN109772930A (en) * | 2017-11-14 | 2019-05-21 | 上海梅山钢铁股份有限公司 | A kind of jaw coiling machine unloads volume control method |
| CN112605154A (en) * | 2020-11-27 | 2021-04-06 | 北京首钢自动化信息技术有限公司 | Coiling method of steel coil |
| CN112872099A (en) * | 2021-01-13 | 2021-06-01 | 首钢京唐钢铁联合有限责任公司 | Method and device for unloading steel coil |
| CN112935012A (en) * | 2021-02-23 | 2021-06-11 | 山西太钢不锈钢精密带钢有限公司 | Method for coiling precision stainless steel foil with variable inner diameter |
| CN114535353A (en) * | 2022-03-17 | 2022-05-27 | 山东钢铁集团日照有限公司 | Safe coil unloading method for hot rolling coiler |
| CN114754278A (en) * | 2021-01-11 | 2022-07-15 | 宝钢日铁汽车板有限公司 | Automatic lubricating system for mandrel of slitter edge ball rolling machine |
| CN114769360A (en) * | 2022-04-29 | 2022-07-22 | 马鞍山钢铁股份有限公司 | Coil unloading method and system for hot rolling coiler |
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| CN114769360A (en) * | 2022-04-29 | 2022-07-22 | 马鞍山钢铁股份有限公司 | Coil unloading method and system for hot rolling coiler |
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