CN106583455A - Fence stake continuous casting and rolling production line based on intermediate frequency furnace smelting - Google Patents
Fence stake continuous casting and rolling production line based on intermediate frequency furnace smelting Download PDFInfo
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- CN106583455A CN106583455A CN201710066951.2A CN201710066951A CN106583455A CN 106583455 A CN106583455 A CN 106583455A CN 201710066951 A CN201710066951 A CN 201710066951A CN 106583455 A CN106583455 A CN 106583455A
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- roughing
- intermediate frequency
- frequency furnace
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
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Abstract
The invention relates to a fence stake continuous casting and rolling production line based on intermediate frequency furnace smelting. An intermediate frequency furnace is arranged at the front end of an intermediate tank car. A steel ladle is arranged between the intermediate frequency furnace and the intermediate tank car. The steel ladle is arranged on a steel ladle car. A continuous casting machine and a continuous rolling machine are connected through a connection roller way. The continuous casting machine comprises the intermediate tank car, a withdrawal and straightening machine, a shearing machine and an after-cutting roller way. The continuous rolling machine comprises roughing roller ways, roughing mills, finishing mills and finishing roller ways. The withdrawal and straightening machine, a cutting machine and the after-cutting roller way are arranged below the horizontal plane. The connection roller way is arranged in an underground channel and inclined upwards. One end of the connection roller way is connected with the after-cutting roller way. The other end of the connection roller way is connected with the roughing roller ways. The roughing mills comprise the first roughing mill and the second roughing mill. The finishing mills comprise the first finishing mill, the second finishing mill, the third finishing mill and the fourth finishing mill. By adopting the intermediate frequency furnace meeting the environmental protection requirements to smelt molten steel, heat loss of steel billets can be reduced through the continuous casting machine, the rolling temperature of steel billets is guaranteed, the automation degree is high, and manpower is saved.
Description
Technical field
The present invention relates to metallurgical equipment, the continuous casting and rolling production line of particularly a kind of enclosure pile smelted based on intermediate frequency furnace.
Background technology
Enclosure pile generous, easy to use, cheap, theftproof performance aesthetic in appearance is good, is common angle steel column, cement system
The upgraded product of product column and bamboo and wood products's column.Enclosure pile is compared with the common shaped steel of same cross dimensions, and it is mechanical
The increase rate of performance and physical property can also be recycled more than 30% after the enclosure pile several years, meet the environmental protection of country
Require, be environment-friendly products.At present, the problem of the production line presence of enclosure pile is：（1）Input manpower is more, and labour cost is big；（2）
In rolling process, steel billet rolls after passing through in hole from milling train, without roller-way behind milling train, forms random motion, and temperature is high, people
There is great potential safety hazard in work operation transmission steel, accident easily occurs；（3）The steel rolling time is long, and the temperature difference is big；（4）Former material
Material consumes big, and because manually-operated steel billet is short, every length causes steel scrap head many no more than 1 meter；（5）Artificial operation life
Product efficiency is low, and annual production is at 1.5 ten thousand tons or so；（6）Artificial operation high labor intensive.
The content of the invention
To solve above-mentioned technical problem, the present invention provides a kind of continuous casting and rolling production of enclosure pile smelted based on intermediate frequency furnace
Line, the production line can reduce the thermal loss of steel billet, it is ensured that the rolling temperature of steel billet, high degree of automation, save manpower, contracting
The short steel rolling time, reduce the temperature difference, improve product quality.
The present invention solves the technical scheme of its technical problem employing：
It is a kind of based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, including intermediate frequency furnace, ladle, conticaster, tandem mill,
Cold bed, straightener, intermediate frequency furnace is placed in the front end of intermediate tundish carriage, and ladle is provided between intermediate frequency furnace and intermediate tundish carriage, and ladle is placed in steel
On hired car；Conticaster is connected with tandem mill by being connected roller-way, after conticaster includes intermediate tundish carriage, withdrawal straightening machine, cutter and cuts
Roller-way, tandem mill includes roughing roller-way, roughing mill, finishing mill and finish rolling roller-way, withdrawal straightening machine, cutting machine and cuts rear roller-way and puts respectively
Below horizontal plane；Connection roller-way is placed in underpass, and connection roller-way tilts upward arrangement, after connecting one end of roller-way and cutting
Roller-way connects, and the other end for connecting roller-way is connected with roughing roller-way；Roughing mill includes the first and second roughing mills being arranged in juxtaposition,
Finishing mill includes successively first, second, third and fourth finishing mill.
Using the present invention of above-mentioned technical proposal, compared with prior art, beneficial effect is：
Smelting molten steel is using firing rate is fast, production efficiency is high, few pollution-free, oxidation and decarbonization, material-saving and cost, energy consumption
It is low, meet the intermediate frequency furnace of environmental requirement；The withdrawal straightening machine of continuous casting unit is placed in below horizontal plane, and steel billet enters roughing by underpass
Machine, can reduce the thermal loss of steel billet, can guarantee that the rolling temperature of steel billet；Continuous mill train high degree of automation, saving manpower, contracting
The short steel rolling time, the temperature difference is reduced, improve product quality.
Further, prioritization scheme of the invention is：
The withdrawal straightening machine, cutting machine and cut rear roller-way respectively be located at horizontal plane below 3 meters.
The connection roller-way is provided with dividing guide plate structure with the connecting portion of roughing roller-way.
The axis of the conticaster is arranged with the diameter parallel of tandem mill.
The axis of the connection roller-way is respectively perpendicular to the axis of conticaster and tandem mill.
The cold bed includes cold bed support, and cold bed support top is provided with side by side multiple driving chains, driving chain and cold bed
The driving and driven sprocket engagement at two ends, driving chain is provided with multiple inverted U-shaped shift forks, and driven sprocket is engaged with cold bed driven shaft
Connection, drive sprocket is connected by cold bed driving shaft with cold bed reductor, cold bed reductor and cold bed motor connection.
The straightener is placed in the front end of cold bed tapping side, and straightener is connected by the first shearing roller-way and the first cutter
Connect, straightener is connected by the second shearing roller-way with the second cutter, the first shearing roller-way and the second shearing roller-way are arranged in parallel.
The withdrawal straightening machine includes straightening machine base, and straightening machine base is provided with drive roll and first and second time master on first, second
Dynamic roller, the driving end of drive roll and first and second time drive roll is respectively equipped with sprocket wheel on first, second；The both sides of base are provided with drawing
Strong machine support, support is provided with motor and speed reducer, motor and speed reducer connection, reductor by sprocket wheel and chain respectively with
Drive roll and first and second time drive roll are connected on first, second；The top of straightening machine support is provided with aligning roller oil cylinder, rectifys
Straight roller oil cylinder one end is hinged with straightening machine support, and the other end for aligning roller oil cylinder is hinged with smoothing roll；The rear portion of straightening machine base
It is provided with upper and lower driven voller.
The connection roller-way includes connection roller-way support, and uniform connection roller-way carrying roller, connects roller-way on connection roller-way support
Carrying roller is connected by belt wheel and transmission belt with electric machines for roller are connected.
Description of the drawings
Fig. 1 is the front view of the continuous casting section production line of the embodiment of the present invention；
Fig. 2 is the front view of the tandem rolling section first half production line of the embodiment of the present invention；
Fig. 3 is the front view of the latter half of production line of tandem rolling section of the embodiment of the present invention；
Fig. 4 is the top view of the continuous casting section production line of the embodiment of the present invention；
Fig. 5 is the top view of the tandem rolling section first half production line of the embodiment of the present invention；
Fig. 6 is the top view of the latter half of production line of tandem rolling section of the embodiment of the present invention；
Fig. 7 is the A direction views in Fig. 1；
Fig. 8 is the B-B views in Fig. 5；
Fig. 9 is the C-C views in Fig. 6；
Figure 10 is the D-D views in Fig. 6；
Figure 11 is the K-K views in Figure 10；
Figure 12 is the E-E views in Fig. 6；
Figure 13 is the F-F views in Fig. 6；
Figure 14 is the G-G views in Fig. 5；
Figure 15 is the J-J views in Fig. 6；
Figure 16 is the H-H views in Fig. 6；
Figure 17 is the M direction views in Fig. 6；
Figure 18 is the transverse section front view of enclosure pile；
Figure 19 is the transverse section top view of enclosure pile；
Figure 20 is the transverse section left view of enclosure pile；
In figure：Intermediate frequency furnace 1；Ladle 2；Buggy ladle 2-1；Crane 2-2；Intermediate tundish carriage platform 3；Intermediate tundish carriage 4；Pans 4-1；
Mould vibration device 5；Crystallizer 5-1；Fan-shaped section 6；Withdrawal straightening machine 7；Straightening machine base 7-1；Drive roll 7-2 on first；Second
Upper drive roll 7-3；First time drive roll 7-4；Second time drive roll 7-5；Straightening machine support 7-6；Motor 7-7；Reductor 7-8；
Drive sprocket 7-9；Chain 7-10；Aligning roller oil cylinder 7-11；Smoothing roll 7-12；Upper driven voller 7-13；Lower driven voller 7-14；Shearing
Machine 8；Cutter track 8-1；Wheel 8-2；First directive wheel 8-3；Second directive wheel 8-4；3rd directive wheel 8-5；Fixed shear
Block 8-6；Dynamic cutout 8-7；Shearing oil cylinder 8-8；Cut rear roller-way 9；Cut rear roller-way support 9-1；Cut rear roller-way carrying roller 9-2；After cutting
Roller-way belt wheel 9-3；Cut rear electric machines for roller 9-4；Cut rear roller-way transmission belt 9-5；Connection roller-way 10；First arc transition roller-way 10-
1；Connection roller-way support 10-2；Connection roller-way carrying roller 10-3；Connection roller-way belt wheel 10-4；Connection roller-way transmission belt 10-5；Connection
Electric machines for roller 10-6；Dividing guide plate 10-7；Steel billet storage area 10-8；Second arc transition roller-way 10-9；Roughing roller-way 11；First
Passage front roller-way 11-1；Roughing roller-way support 11-1-1；First roughing mill roller-way carrying roller 11-1-2；First passage back roller road 11-
2；First guide plate 11-2-1；Second passage front roller-way 11-3；Second passage back roller road 11-4；Second guide plate 11-4-1；3rd road
Secondary front roller-way 11-5；First baffle 11-5-1；Roller-way 11-6 after 3rd passage；3rd guide plate 11-6-1；Four-pass front roller-way
11-7；Roller-way 11-8 after four-pass；5th passage front roller-way 11-9；Second baffle 11-9-1；Roller-way 11- after 5th passage
10；6th passage front roller-way 11-11；Roller-way 11-12 after 6th passage；7th passage front roller-way 11-13；Transition roller-way 11-13-
1；Roller-way 11-14 after 7th passage；Roller-way carrying roller 11-14-1 after 7th passage；First step trough 11-14-1-1；Riser 11-
14-2；Crop cuts 11-15；Electric machines for roller 11-16；First roughing mill 12；First roughing mill left socle 12-1；Second roughing mill is right
Support 12-1-1；First shaping roll 12-2；First passage groove 12-2-1；3rd passage groove 12-2-2；5th passage groove
12-2-3；Second shaping roll 12-3；First roughing groove 12-3-1；Second roughing groove 12-3-2；3rd roughing groove 12-3-
3；3rd shaping roll 12-4；Second passage groove 12-4-1；Four-pass groove 12-4-2；6th passage groove 12-4-3；The
One shaping roll power transmission shaft 12-5；Second shaping roll power transmission shaft 12-6；3rd shaping roll power transmission shaft 12-7；Roughing transfer case 12-8；
Roughing reductor 12-9；Roughing motor 12-10；Second roughing mill 13；Second roughing machine support 13-1；Second roughing left socle
13-1-1；Second roughing mill right support 13-1-2；4th shaping roll 13-2；4th roughing groove 13-2-1；5th shaping roll 13-
3；7th passage groove 13-3-1；Second roughing mill power transmission shaft 13-4；First finishing mill 14；First finish rolling machine support 14-1；The
One planishing roll 14-2；First finish rolling groove 14-2-1；Second finishing mill roller 14-3；Second finish rolling groove 14-3-1；First finish rolling
Machine power transmission shaft 14-4；First finish rolling reductor 14-5；First finish rolling motor 14-6；First finish rolling roller-way 15；Guide groove 15-1；Finish rolling
Carrying roller 15-2；Finish rolling roller-way support 15-3；Second step trough 15-4；Second finishing mill 16；Second finish rolling machine support 16-1；3rd
Planishing roll 16-2；3rd finish rolling groove 16-2-1；4th planishing roll 16-3；3rd finish rolling groove 16-3-1；Second planishing roll is passed
Moving axis 16-4；Second finish rolling reductor 16-5；Second finish rolling motor 16-6；Second finish rolling roller-way 17；3rd finishing mill 18；3rd
Finish rolling support 18-1；5th planishing roll 18-2；5th finish rolling groove 18-2-1；6th planishing roll 18-3；6th finish rolling groove 18-
3-1；3rd finishing mill power transmission shaft 18-4；3rd finish rolling reductor 18-5；3rd finish rolling motor 18-6；3rd finish rolling roller-way 19；
4th finishing mill 20；4th finish rolling machine support 20-1；7th planishing roll 20-2；7th finish rolling groove 20-2-1；8th planishing roll
20-3；8th planishing roll groove 20-3-1；4th finishing mill power transmission shaft 20-4；4th finishing mill reductor 20-5；4th finish rolling
Electromechanical machine 20-6；4th finish rolling roller-way 20-7；Cold bed 21；Cold bed support 21-1；Driving chain 21-2；Drive sprocket 21-3；It is main
Moving axis 21-4；Driven shaft 21-5；Driven sprocket 21-6；Cold bed reductor 21-7；Cold bed motor 21-8；Inverted U-shaped shift fork 21-9；Rectify
Straight front roller-way 22；Straightener 23；Roller-way 24 after straightener；First shearing saw 25；First shearing roller-way 26；First sizing plate 26-
1；First scale groove 26-1-1；Second shearing saw 27；Second shearing roller-way 28；Second sizing plate 28-1；Second scale groove 28-1-
1；Enclosure pile 29；Protuberance 29-1.
Specific embodiment
Referring to accompanying drawing, the continuous casting and rolling production line of the enclosure pile smelted based on intermediate frequency furnace of the present embodiment, conticaster is single
Machine single current is produced, and is smelted and is adopted intermediate frequency furnace 1.The firing rate of intermediate frequency furnace 1 is fast, production efficiency is high, pollution-free, oxidation and decarbonization is few, section
Material saving is low with cost, energy consumption, meets environmental requirement.In smelting process, by improve raw material degree of purity and using oxygen blast/
The modes such as Argon, purify roguing, make molten steel purifying, and uniform ingredients refer to ensureing that smelted molten steel meets the technology of enclosure pile
Mark.The rear of intermediate frequency furnace 1 is provided with ladle 2, and ladle 2 is placed on buggy ladle 2-1, and the top of ladle 2 is provided with crane 2-2, lifting
Machine 2-2 is used for ladle 2 of slinging.The rear of ladle 2 is provided with intermediate tundish carriage platform 3, and intermediate tundish carriage 4 is placed on intermediate tundish carriage platform 3,
Intermediate tundish carriage 4 is provided with pans 4-1.Intermediate tundish carriage platform 3 is provided with mould vibration device 5 below rear portion, and crystallizer shakes
Dynamic device 5 is provided with crystallizer 5-1, and fan-shaped section 6 is provided with below crystallizer 5-1, and the rear of fan-shaped section 6 is provided with withdrawal straightening machine 7, draws
Strong machine 7 is located at 3 meters below horizontal plane, can reduce the thermal loss of steel billet, it is ensured that steel billet enters the rolling temperature of tandem mill.Straightening
Machine 7 includes that straightening machine base 7-1, base 7-1 are provided with drive roll 7-2,7-3 and first, second time drive roll 7- on first, second
4th, 7-5, the driving end of drive roll 7-2,7-3 and first and second time drive roll 7-4,7-5 is respectively equipped with sprocket wheel on first, second,
Sprocket wheel is two-row structure.The both sides of base 7-1 are provided with straightening machine support 7-6, and straightening machine support 7-6 is provided with motor 7-7 and subtracts
Fast machine 7-8, motor 7-7 and reductor 7-8 connect, reductor 7-8 by drive sprocket 7-9 and chain 7-10 respectively with first,
Drive roll 7-2,7-3 and first and second time drive roll 7-4,7-5 are connected on second, and drive sprocket 7-9 and chain 7-10 are
Two-row structure.The top of straightening machine support 7-6 is provided with aligning roller oil cylinder 7-11, aligning roller oil cylinder 7-11 one end and straightening machine support
7-6 is hinged, and the other end for aligning roller oil cylinder 7-11 is hinged with smoothing roll 7-12.The rear portion of straightening machine base 7-1 be provided with it is upper and lower from
Dynamic roller 7-13,7-14.
Cutter 8 is placed in the rear of withdrawal straightening machine 7, and cutter 8 is placed on cutter track 8-1, and the bottom of cutter 8 is provided with
Four wheel 8-2, the top of cutter 8 is provided with first, second, and third directive wheel 8-3,8-4,8-5, fixed shear block 8-6 with
3rd directive wheel 8-5 correspondences, fixed shear block 8-6 coordinates with dynamic cutout 8-7, moves the work of cutout 8-7 and shearing oil cylinder 8-8
Stopper rod connects, and the cylinder body for shearing oil cylinder 8-8 is fixed on the top of cutter 8, and shearing oil cylinder 8-8 is by pipeline and hydraulic valve and liquid
Press pump connects.
The rear that rear roller-way 9 is placed in cutter 8 is cut, cutting rear roller-way 9 includes cutting rear roller-way support 9-1, cuts rear roller-way support
Rear roller-way carrying roller 9-2 is uniformly cut on 9-1, the two ends for cutting rear roller-way carrying roller 9-2 are provided with bearing block, cut the one of rear roller-way carrying roller 9-2
End is provided with and cuts rear roller-way belt wheel 9-3, cut rear roller-way carrying roller 9-2 by cut rear roller-way belt wheel 9-3 and cut rear roller-way transmission belt 9-5 and
Rear electric machines for roller 9-4 connections are cut, rear electric machines for roller 9-4 is cut and is fixedly connected with rear roller-way support 9-1 is cut.
Connect roller-way 10 and cut and be provided between rear roller-way 9 first arc transition roller-way 10-1, connection roller-way 10 is placed in underground
In passage, connection roller-way 10 tilts upward setting, and the axis for connecting roller-way 10 is vertical with the axis of conticaster, connects roller-way 10
End is located at more than ground.Connection roller-way 10 includes connection roller-way support 10-2, uniform connection roll on connection roller-way support 10-2
Road carrying roller 10-3, the two ends for connecting roller-way carrying roller 10-3 are provided with bearing block, and connection roller-way carrying roller 10-3 one end is provided with connection roller-way
Belt wheel 10-4, connection roller-way carrying roller 10-3 are by connecting roller-way belt wheel 10-4 and connection roller-way transmission belt 10-5 and being connected roller-way electricity
Machine 10-6 is connected.Connection roller-way 10 end is provided with dividing guide plate 10-7, and dividing guide plate 10-7 is arranged vertically, dividing guide plate
10-7 is articulated and connected with the outrigger for being connected roller-way 10.Dividing guide plate 10-7 is used for when tandem mill breaks down, by steel billet
It is diverted to steel billet storage area 10-8.The second arc transition roller-way 10-9 is provided between connection roller-way 10 and roughing roller-way 11, is connected
The axis of roller-way 10 is vertical with the axis of roughing roller-way 11.
Tandem mill includes the diameter parallel of roughing mill and finishing mill, conticaster and tandem mill.Roughing mill is reciprocating rolling mill,
Roughing mill includes the first roughing mill 12 and the second roughing mill 13 being arranged in juxtaposition.First roughing mill 12 includes left of the first roughing mill
The first shaping roll 12-2, the second shaping roll are sequentially provided with from the bottom to top in frame 12-1, the first roughing right support 12-1-1, support
12-3, the 3rd shaping roll 12-4, the first shaping roll 12-2, the second shaping roll 12-3, the 3rd shaping roll 12-4 are respectively arranged at two ends with
Bearing block.Shaping roll is driving side with the side of motor connection, and the side corresponding with driving side is working side.First, second
Pass through first, second, and third shaping roll power transmission shaft 12-5,12- respectively with the driving side of the 3rd shaping roll 12-2,12-3,12-4
6th, 12-7 and roughing transfer case 12-8 connects, and roughing transfer case 12-8 is connected by shaft coupling with roughing reductor 12-9, roughing
Reductor 12-9 is connected by shaft coupling with roughing motor 12-10.Second shaping roll 12-3 is provided with the first, second of annular and the
Three roughing groove 12-3-1,12-3-2,12-3-3, the first shaping roll 12-2 are provided with and first, second, and third roughing groove 12-
The corresponding first passage groove 12-2-1 of 3-1,12-3-2,12-3-3, the 3rd passage groove 12-2-2, the 5th passage groove 12-
2-3, the 3rd shaping roll 12-4 are provided with and first, second, and third roughing groove 12-3-1,12-3-2,12-3-3 corresponding second
Passage groove, four-pass groove and the 6th passage groove 12-4-1,12-4-2,12-4-3.
Second roughing mill 13 includes that the second roughing machine support 13-1, the second roughing machine support 13-1 include that second is left and right thick
Milling train support 13-1-1,13-1-2, are provided with the four, the 5th shaping roll 13-2,13-3 in the second roughing machine support 13-1, the 4th,
The driving side of the 5th shaping roll 13-2,13-3 by the four, the 5th roughing power transmission shaft 13-4,13-5 respectively with the first roughing mill 12
First, second shaping roll 12-2,12-3 working side connection.The 4th roughing that 4th shaping roll 13-2 is provided with multiple annulars is recessed
Groove 13-2-1, the 5th shaping roll 13-3 are provided with multiple seventh passage groove 13-3-1s corresponding with the 4th roughing groove 13-2-1.
Roughing roller-way 11 includes roughing roller-way support 11-1-1 and the first roughing being placed on roughing roller-way support 11-1-1
Machine roller-way carrying roller 11-1-2, the two ends of carrying roller are provided with bearing block, and bearing block is connected with roller-way support bracket bolt.Install one end of carrying roller
Belt wheel, belt wheel is connected by transmission belt with electric machines for roller 11-16.Roughing roller-way 11 includes the first passage roller-way, the second passage roller
Road, the 3rd passage roller-way, four-pass roller-way, the 5th passage roller-way and the 6th passage roller and the 7th passage roller-way.First passage
Roller-way includes being placed in the first passage front roller-way 11-1 and the first passage back roller road 11-2 of the rear and front end of the first roughing mill 12, and first
Passage front roller-way 11-1 and the first passage back roller road 11-2 and the first roughing groove 12-3-1 and the first passage groove 12-2-1 phases
Correspondence, the end of the first passage back roller road 11-2 is provided with crop and cuts 11-15.
Second passage roller-way includes being placed in the second passage front roller-way 11-3 and second of the rear and front end of the first roughing mill 12
Secondary rear roller-way 11-4, the second passage front roller-way 11-3 and the second passage back roller road 11-4 and the first roughing groove 12-3-1 and second
Passage groove 12-4-1 correspondences.Second passage back roller road 11-4 is placed in the top of the first passage back roller road 11-2, after the second passage
Be provided with inclined first guide plate 11-2-1 after roller-way 11-4 and the first passage between 11-2 roller-ways, the first guide plate 11-2-1 upper ends with
The support of the second passage back roller road 11-4 is hinged, and lower end is placed on the first passage back roller road 11-2.
3rd passage roller-way includes being placed in the 3rd passage front roller-way 11-5 and the 3rd road of the rear and front end of the first roughing mill 12
Secondary rear roller-way 11-6, roller-way 11-6 and the second roughing groove 12-3-2 and the 3rd after the 3rd passage front roller-way 11-5 and the 3rd passage
Passage groove 12-2-2 correspondences, between the 3rd passage front roller-way 11-5 and the second passage front roller-way 11-3 first baffle 11- is provided with
5-1。
Four-pass roller-way includes being placed in the four-pass front roller-way 11-7 and the 4th road of the rear and front end of the first roughing mill 12
Secondary rear roller-way 11-8, roller-way 11-8 and the second roughing groove 12-3-2 and the 4th after four-pass front roller-way 11-7 and four-pass
Passage groove 12-4-2 correspondences.Roller-way 11-8 is located at the top of roller-way 11-6 after the 3rd passage after four-pass, after four-pass
Inclined second guide plate structure 11-4-1 is provided with after roller-way 11-8 and the 3rd passage between roller-way 11-6, on the second guide plate 11-4-1
Hold and be hinged with the support of roller-way 11-8 after four-pass, lower end is placed in after the 3rd passage on roller-way 11-6.
5th passage roller-way includes being placed in the 5th passage front roller-way 11-9 and the 5th road of the rear and front end of the first roughing mill 12
Roller-way 11-10 and the 3rd roughing groove 12-3-3 and after secondary rear roller-way 11-10, the 5th passage front roller-way 11-9 and the 5th passage
Five passage groove 12-2-3 correspondences, between the 5th passage front roller-way 11-9 and four-pass front roller-way 11-7 second baffle structure is set
11-9-1。
6th passage roller-way includes being placed in the passage front roller-way 11-11 of 2 rear and front end of the first roughing mill the 6th and the 6th passage
Roller-way 11-12, roller-way 11-12 and the 3rd roughing groove 12-3-3 and after the 6th passage front roller-way 11-11 and the 6th passage afterwards
Six passage groove 12-4-3 correspondences.Inclined is provided with after 6th passage between roller-way 11-10 after roller-way 11-12 and the 5th passage
The support of roller-way 1-12 is hinged after three guide plate structure 11-6-1, the 3rd guide plate 11-6-1 upper ends and the 6th passage, and lower end is placed in
After five passages on roller-way 11-10.
7th passage roller-way includes being placed in after the 7th passage front roller-way 11-13 at the two ends of the second roughing mill 13 and the 7th passage
Roller-way 11-14, the 7th passage front roller-way 11-13 and the 6th passage front roller-way 11-11 are provided with transition roller-way 11-13-1, the 7th road
The rear end of secondary rear roller-way 11-14 is placed in the entrance of the first finishing mill 14.Roller-way after 7th passage of roller-way 11-14 after 7th passage
Carrying roller 11-14-1 is provided with the first ladder slot structure 11-14-1-1, and longitudinal riser 11-14-2 is provided between adjacent two carrying roller.Support
Belt wheel is installed in one end of roller, by transmission belt and speed reducer drive, reductor and motor connection.
Finishing mill is two-roller mill, and finishing mill includes the one or four finishing mill 14, the two or four finishing mill 16, the three or four finish rolling 18
Machine, the 4th finishing mill 20.First finishing mill 14 is vertical miller, including the first finish rolling machine support 14-1, the first finish rolling machine support
First, second planishing roll 14-2,14-3 is provided with 14-1, the upper end of first, second planishing roll 14-2,14-3 passes through respectively two
First finishing mill power transmission shaft 14-4 is connected with the first finish rolling reductor 14-5, and the first finish rolling reductor 14-5 is by shaft coupling and the
One finish rolling motor 14-6 connects.First planishing roll 14-2 is provided with the first finish rolling groove 14-2-1 structures of multiple annulars, and second is smart
Roll 14-3 is provided with the second finish rolling groove 14-3-1 structures corresponding with the first finish rolling groove 14-2-1.
The first finish rolling roller-way 15 is provided between first finishing mill 14 and the second finishing mill 16.Second finishing mill 16 rolls for plain-barreled roll
Machine, including the second finish rolling machine support 16-1, in the second finish rolling machine support 16-1 the three, the 4th horizontally disposed planishing rolls are provided with
16-2,16-3, the driving side of the 3rd, the 4th planishing roll 16-2,16-3 is respectively by two the second finish rolling power transmission shaft 16-4 and the
Two finish rolling reductor 16-5 connect, and the second finish rolling reductor 16-5 is connected by shaft coupling with the second finish rolling motor 16-6.3rd
Planishing roll 16-2 is provided with the 3rd finish rolling groove structure 16-2-1 of multiple annulars, and the circumference of the 4th finishing mill roller 16-3 is provided with multi-turn
The 4th interrupted groove structure 16-3-1.4th groove structure 16-3-1 corresponds to the 3rd finish rolling groove 16-2-1, the 4th groove
The quantity of 16-3-1 is every 19, circle.4th groove structure is used to roll out the protuberance 29-1 of enclosure pile 29.
The second finish rolling roller-way 17 is provided between second finishing mill 16 and the 3rd finishing mill 18.3rd finishing mill 18 rolls for edger roll
Machine, including the 3rd finish rolling machine support 18-1, in the 3rd finishing mill 18-1 framves the five, the 6th planishing roll 18-2,18-3 are provided with, the
5th, the upper end of the 6th planishing roll 18-2,18-3 is respectively by two the 3rd finishing mill power transmission shaft 18-4 and the 3rd finish rolling reductor
18-5 connects, and the 3rd finish rolling reductor 18-5 is connected by shaft coupling with the 3rd finish rolling motor 18-6.5th planishing roll 18-2 sets
There are the 5th finish rolling groove 18-2-1 of multiple annulars, the 6th planishing roll 18-3 to be provided with corresponding with the 5th finish rolling groove 18-2-1 the
Six groove structure 18-3-1.
The 3rd finish rolling roller-way 19 is provided between 3rd finishing mill 18 and the 4th finishing mill 20.4th finishing mill includes that the 4th is smart
Milling train support 20-1, is provided with the seven, the 8th horizontally disposed planishing roll 20-2,20-3 in the 4th finish rolling machine support 20-1, the 7th,
8th planishing roll 20-2,20-3 is connected respectively by two the 4th finishing mill power transmission shaft 20-4 with the 4th finish rolling reductor 20-5,
4th finish rolling reductor 20-5 is connected by shaft coupling with the 4th finish rolling motor 20-6.7th planishing roll is provided with the of multiple annulars
Seven groove structure 20-2-1, the 8th planishing roll 20-3 are provided with eightth groove structure 20-3-1 corresponding with the 7th groove 20-2-1.
Finish rolling roller-way includes that finish rolling roller-way support 15-3, finish rolling roller-way support 15-3 are provided with finish rolling carrying roller 15-2, finish rolling
Carrying roller 15-2 is provided with the second ladder slot structure 15- by the bearing block at two ends and finish rolling support 15-3 bolt connections, finish rolling dragging roller
4, first, second, and third finish rolling roller-way 16,17,19 is respectively arranged at two ends with guide groove 15-1.
The 4th finish rolling roller-way 20-7 is provided between 4th finishing mill 20 and cold bed 21, the head end of the 4th finish rolling roller-way 20-7 sets
There is guide groove 15-1, the section of guide groove is cross.Cold bed 21 includes cold bed support 21-1, and the top of cold bed support 21-1 sets side by side
There are multiple driving chain 21-2, driving chain 21-2 to engage with driving and driven sprocket wheel 21-3, the 21-6 at the two ends of cold bed 21, driven chain
Wheel 21-6 is connected with driven shaft 21-5, and driving chain 21-2 is provided with multiple inverted U-shaped shift fork 21-9, and drive sprocket 21-3 passes through
Cold bed driving shaft 21-4 is connected with cold bed reductor 21-7, and reductor 21-7 is connected with cold bed motor 21-8.
Straightener 23 is placed in the front end of cold bed 21, and straightener 23 is corresponding with the 4th finish rolling roller-way 20-7, aligns front roller-way
The 22 tapping sides for being placed in cold bed 21, roller-way 24 includes the first shearing shearing roller-way 28 of roller-way 26 and second after straightener, and first cuts
Cut the shearing roller-way 28 of roller-way 26 and second to be arranged in parallel.Straightener 23 is connected by the first shearing shearing of roller-way 26 and first saw 25
Connect, straightener 23 is connected by the second shearing roller-way 28 with the second shearing saw 27.The first shearing shearing roller-way of roller-way 26 and second
Uniform carrying roller on 28, carrying roller is provided with ladder slot structure, and carrying roller is V belt translation.The back segment of the first shearing roller-way 26 is provided with the first scale
Plate 26-1, the first sizing plate 26-1 are provided with the first scale groove 26-1-1, and the back segment of the second shearing roller-way is provided with the second sizing plate
28-1, the second sizing plate 28-1 are provided with the second scale groove 28-1-1.
The used square billet section length of side of rolling is 60 millis, and the course of work of rice the present embodiment is：Smelt in intermediate frequency furnace 1
Molten steel, the molten steel smelted is imported in ladle 2, and crane 2-2 slings ladle, and the molten steel in ladle 2 pours pans 4-1 into
Interior, intermediate tundish carriage 4 runs to the top of crystallizer 5-1, opens the mouth of a river of pans 4-1 bottoms, and molten steel enters into crystallizer 5-1
Interior, the action of crystallizing vibration device 5, steel billet is introduced in withdrawal straightening machine 7 by dummy bar, and dummy bar enters dummy bar storing device, steel billet
Cutter 8 is entered by withdrawal straightening machine 7, is had cutter 8 to enter and is cut rear roller-way 9, when reaching steel billet and being sized, the shearing of cutter 8
The piston rod of oil cylinder 8-8 stretches out, and steel billet is cut off, and one end distance is moved with steel billet during the shearing steel billet of cutter 8, after cut-out steel billet
Reset, steel billet enters link roller-way 10 by rear roller-way 9 is cut, have connection roller-way 10 to enter roughing roller-way.Steel billet is from before the first passage
Roller-way 11-1 is entered in the first roughing groove 12-3-1 and the first passage groove 12-2-1 of the first roughing mill 12, and Jing rollings are laggard
Enter the first passage back roller road 11-2, the end of the first passage back roller road 11-2 has crop to cut 11-15, and square billet Jing crops cut 11-15
After crop, electric machines for roller and carrying roller are inverted, and the first guide plates of steel billet Jing 11-2-1 enters the second passage back roller road 11-4, and Jing first is thick
Roll and second time front roller-way 11-3 is entered after groove 12-3-1 and the second passage groove 12-4-1 rollings, by the second passage front roller-way
11-3 enters the 3rd passage front roller-way 11-5, and by the 3rd passage front roller-way 11-5 the second roughing groove 12-3-2 and the 3rd road are entered
Secondary groove 12-2-2, roller-way 11-6 after the 3rd passage is entered Jing after rolling, the carrying roller reversion of roller-way 11-6, steel billet after the 3rd passage
The roller-way 11-8 Jing after the second guide plate 1-4-1 enters four-pass, Jing the second roughing groove 12-3-2 and four-pass groove roll 12-
Four-pass front roller-way 11-7 is entered after 4-2 systems, the 5th passage front roller-way 11-9 is entered by four-pass front roller-way 11-7, by the
Five passage front roller-way 11-9 enter the 3rd roughing groove 112-3-3 and the 5th passage groove 12-2-3, and the 5th is entered Jing after rolling
Roller-way 11-10 after passage, the carrying roller reversion of the 5th passage, roller-way 11-12, Jing Jing after the 3rd guide plate 11-6-1 enters the 6th passage
After 3rd roughing groove 12-3-3 and the 6th passage groove 12-4-3 rollings, into the 6th passage front roller-way 11-11, the roads of Jing the 6th
Secondary front roller-way 11-11 and transition roller-way 11-13-1 enters the 7th passage front roller-way 11-13, is entered by the 7th passage front roller-way 11-13
Enter the 4th and the 5th roughing groove 13-2-1,13-3-1 of the second roughing mill 13, Jing rolling after Jing after the 7th passage roller-way 11-14
Into the first finishing mill 14, cross shape is rolled, the first finish rolling of Jing roller-way 15 enters the second finishing mill 16, Jing the second finish rolling roller-ways
17 enter the 3rd finishing mill 18, and the finish rolling roller-ways 19 of Jing the 3rd enter the 4th finishing mill 20, the 4th finish rolling roller-way is entered Jing after rolling
20-7, by the 4th finish rolling roller-way 20-7 cold bed 12 is entered, and driving chain 11-2 sends semi-finished product enclosure pile into aligning front roller-way 22,
The first shearing shearing roller-way 28 of roller-way 26 or second, the first shearing shear roller of roller-way 26 and second are entered Jing after straightener rectifys 23 directly
The stage casing in road 28 is respectively equipped with the first and second shearings saw 25,27, and the back segment of the first and second shearing roller-ways 26,28 is respectively equipped with
Scale is respectively equipped with first sizing plate 26-1 and the second sizing plate 28-1, the first sizing plate 26-1 and the second sizing plate 28-1
Groove 26-1-1,28-1-1, as requested size be cut into finished product fence 19.
Jing after long-time is using abrasion, the position for adjusting finishing mill or roller-way guide groove uses a pair of grooves of finishing mill roll
Another pair groove.
The preferably feasible embodiment of this present invention is the foregoing is only, not thereby limits to this right model of the invention
Enclose, all equivalent structures made with this description of the invention and accompanying drawing content change, and are both contained in this right model of the invention
Within enclosing.
Claims (9)
1. a kind of continuous casting and rolling production line of the enclosure pile smelted based on intermediate frequency furnace, including intermediate frequency furnace, ladle, conticaster, tandem rolling
Machine, cold bed, straightener, it is characterised in that：Intermediate frequency furnace is placed in the front end of intermediate tundish carriage, and steel is provided between intermediate frequency furnace and intermediate tundish carriage
Bag, ladle is placed on buggy ladle；Conticaster and tandem mill by be connected roller-way connection, conticaster including intermediate tundish carriage, withdrawal straightening machine,
Cutter and cut rear roller-way, tandem mill includes roughing roller-way, roughing mill, finishing mill and finish rolling roller-way, withdrawal straightening machine, cutting machine and cut
Afterwards roller-way is respectively placed in below horizontal plane；Connection roller-way is placed in underpass, and connection roller-way tilts upward arrangement, connects roller-way
One end be connected with rear roller-way is cut, connect roller-way the other end be connected with roughing roller-way；Roughing mill includes first for being arranged in juxtaposition
With the second roughing mill, finishing mill is successively including first, second, third and fourth finishing mill.
2. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
State withdrawal straightening machine, cutting machine and cut rear roller-way and be located at respectively 3 meters below horizontal plane.
3. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
State connection roller-way and be provided with dividing guide plate structure with the connecting portion of roughing roller-way.
4. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
The diameter parallel of the axis and tandem mill of stating conticaster is arranged.
5. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
The axis for stating connection roller-way is respectively perpendicular to the axis of conticaster and tandem mill.
6. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
Cold bed is stated including cold bed support, cold bed support top is provided with side by side multiple driving chains, and driving chain is master and slave with cold bed two ends
Movable sprocket is engaged, and driving chain is provided with multiple inverted U-shaped shift forks, and driven sprocket is connected with the driven shaft engagement of cold bed, actively
Sprocket wheel be connected by cold bed driving shaft with cold bed speed machine is subtracted, cold bed reductor and cold bed motor connection.
7. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
The front end that straightener is placed in cold bed tapping side is stated, straightener is connected straight through the first shearing roller-way with the first cutter, straightener
It is connected with the second cutter by the second shearing roller-way, the first shearing roller-way and the second shearing roller-way are arranged in parallel.
8. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Draw
Strong machine includes straightening machine base, and straightening machine base is provided with drive roll and first and second time drive roll on first, second, first, second
The driving end of upper drive roll and first and second time drive roll is respectively equipped with sprocket wheel；The both sides of base are provided with straightening machine support, on support
Be provided with motor and speed reducer, motor and speed reducer connection, reductor by sprocket wheel and chain respectively with first, second on actively
Roller and first and second time drive roll are connected；The top of straightening machine support is provided with aligning roller oil cylinder, aligning roller oil cylinder one end and drawing
Strong machine support is hinged, and the other end for aligning roller oil cylinder is hinged with smoothing roll；The rear portion of straightening machine base is provided with upper and lower driven voller.
9. it is according to claim 1 based on intermediate frequency furnace smelt enclosure pile continuous casting and rolling production line, it is characterised in that：Institute
Stating connection roller-way includes connection roller-way support, and uniform connection roller-way carrying roller on connection roller-way support, connection roller-way carrying roller passes through band
Wheel and transmission belt are connected with electric machines for roller are connected.
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| CN201710066951.2A CN106583455B (en) | 2017-02-07 | 2017-02-07 | Continuous casting and rolling production line based on the enclosure pile that intermediate frequency furnace is smelted |
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| CN107413850A (en) * | 2017-06-28 | 2017-12-01 | 钢铁研究总院 | Course of conveying casting marching method for Direct Rolling side's rectangle steel billet |
| CN108160706A (en) * | 2017-11-29 | 2018-06-15 | 中色科技股份有限公司 | Arrangement structure and arrangement method of rolling mill roller ways in aluminum plate and strip hot rolling workshop |
| GB2623138A (en) * | 2022-12-23 | 2024-04-10 | First Fence Ltd | Palisade fencing pales |
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|---|---|
| CN106583455B (en) | 2019-01-15 |
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