CN205949480U - Quick roll -changing device of four -high mill - Google Patents

Quick roll -changing device of four -high mill Download PDF

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Publication number
CN205949480U
CN205949480U CN201621004053.1U CN201621004053U CN205949480U CN 205949480 U CN205949480 U CN 205949480U CN 201621004053 U CN201621004053 U CN 201621004053U CN 205949480 U CN205949480 U CN 205949480U
Authority
CN
China
Prior art keywords
roll
upper backup
shelf
roll change
change
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201621004053.1U
Other languages
Chinese (zh)
Inventor
廖春光
吴华模
韩亚涛
石磊英
李芳�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuanhua Iron and Steel Group Co Ltd
Original Assignee
Xuanhua Iron and Steel Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuanhua Iron and Steel Group Co Ltd filed Critical Xuanhua Iron and Steel Group Co Ltd
Priority to CN201621004053.1U priority Critical patent/CN205949480U/en
Application granted granted Critical
Publication of CN205949480U publication Critical patent/CN205949480U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a quick roll -changing device of four -high mill, belongs to mill coil rolling mill maintenance of equipment technical field for the quick roll change of four -high mill frame. Its technical scheme is: hoisting device fixes on the rolling mill memorial archway, and the one end fixed connection who goes up backing roll shelf platform is in the upper end that last backing roll shelf vertical frame put up, and the lower extreme of going up backing roll shelf vertical frame frame is connected with the roll change pneumatic cylinder, and the one end of roll change base is connected with the roll change pneumatic cylinder, goes up the lower extreme of backing roll shelf vertical frame frame, the lower bottom surface of roll change base and the upper surface of slide and is sliding connection, and the slide is fixed on the basis of ground. The utility model discloses need not take lower supporting roller and working roll out when change going up the backing roll, change working roll and backing roll can go on simultaneously, and it wastes time and energy to have solved, and duplication of labour scheduling problem has improved production efficiency. The utility model has the advantages of simple structure practical, daily operation maintenance makes things convenient for, operates simple and direct convenience, has improved roll change efficiency, has guaranteed the assembly quality of rolling mill.

Description

A kind of Quick roll-changing device of four-high mill
Technical field
This utility model is related to a kind of Quick roll-changing device for four-high mill frame, belongs to heat roll condition dimension Repair equipment technical field.
Background technology
The roll of milling train after a period of operation, due to fatigue damage or the reasons such as abnormal failure, needs periodically Or irregularly change, to ensure product quality.At present, all using four-high mill during ribbon steel produces, it is by upper backup roll, upper work Make roller, bottom working roll and lower backing roll to constitute, the replacing to rolling mill roll is all to send using the track in rolling-mill housing Enter and send roller assembly, its complex structure, not only need four groups of guide rails, four groups of thrustors, bearing block guide wheel, lifting dresses Put, the assembly such as mobile station, plant maintenance amount is big, and roll change operation is many, and roll changing time is long, and workload is big.Therefore, it is necessary to adopt Measure is taken to carry out fast roll changing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Quick roll-changing device of four-high mill, this quick Changing rig structure is simple and convenient to operate, and working roll and lower backing roll can be entered in the case of changing upper backup roll simultaneously Row is changed, and improves roll change efficiency it is ensured that the assembling quality of milling train.
Solve above-mentioned technical problem technical scheme be:
A kind of Quick roll-changing device of four-high mill, it include lifting device, upper backup roll shelf, roll change base, slideway, Five parts of roll change hydraulic cylinder, lifting device is fixed on mill housing, and lifting device is connected with upper backup roll, upper backup roll Shelf is connected and is formed by upper backup roll shelf platform, upper backup roll shelf vertical frame, and one end of upper backup roll shelf platform is solid Surely it is connected to the upper end of upper backup roll shelf vertical frame, the lower end of upper backup roll shelf vertical frame is provided with upper backup roll shelf Buckle is attached with roll change hydraulic cylinder, and roll change base is rectangular structure, is arranged on the foot of mill housing, roll change base Outer end be provided with roll change base buckle and be connected with roll change hydraulic cylinder, slideway is fixed in the ground base outside milling train, thereon With ground under mill housing at grade, roll change hydraulic cylinder is arranged on the end of milling train outboard runner, roll change hydraulic pressure on surface The termination of cylinder is installed roll change hydraulic cylinder fixed claw and is connected with upper support roller shelf buckle or roll change base buckle.
The Quick roll-changing device of above-mentioned four-high mill, described lifting device is by lifting cylinder, lifting arm and lifting shoulder pole group Become, lifting arm is fastened in the middle part of lifting shoulder pole, and lifting arm top is connected with lifting cylinder, lifts shoulder pole and upper backup roll Corresponding.Drive lifting arm 14 by inputting compressed air to two working chambers of lifting cylinder 15 thus driving lifting shoulder pole 13 Realize bidirectional-movement up or down, thus by top working roll 2 and its bearing block lifting or putting down.
The Quick roll-changing device of above-mentioned four-high mill, the upper surface of the upper backup roll shelf platform of described upper backup roll shelf Contact with the lower surface of upper backup roll, support upper backup roll, the roll change liquid of upper backup roll shelf buckle and roll change hydraulic cylinder Cylinder pressure fixed claw is connected.Roll change hydraulic cylinder 6 provides power for extracting upper backup roll shelf 8 or roll change base 9 out, makes upper backup roll The bottom surface of the vertical frame lower end of shelf 8 or roll change base 9 skids off along the upper surface of slideway 5.
The Quick roll-changing device of above-mentioned four-high mill, the described upper surface of roll change base is connected with the lower surface of lower backing roll Touch, support top working roll, bottom working roll and lower backing roll, there are roll change base buckle, roll change base card in the outer end of roll change base Button is connected with the roll change hydraulic cylinder fixed claw of roll change hydraulic cylinder.
The beneficial effects of the utility model are:
This utility model uses lifting device, upper backup roll shelf, roll change base and roll change hydraulic cylinder to upper backup roll, work Make roller and lower backing roll changed, when changing upper backup roll without extracting lower backing roll and working roll out, change working roll and During lower backing roll, without extracting upper backup roll out, meanwhile, change working roll and lower backing roll can be carried out simultaneously, solve time-consuming Arduously, the problems such as the duplication of labour.This kind of mode of operation is greatly reduced to the roll change technical requirements of workman, improves production effect Rate.Of the present utility model simple and practical, day-to-day operation is easy to maintenance, convenience simple to operation, can be to upper backup roll, work Roller and lower backing roll carry out quick-replaceable, improve roll change efficiency it is ensured that the assembling quality of milling train, have before applying well Scape and economic benefit.
Brief description
Fig. 1 is the structural representation changing upper backup roll of the present utility model;
Fig. 2 be of the present utility model replace with, the structural representation of bottom working roll and lower backing roll;
Fig. 3 is the structural representation of roll change frame;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the A of Fig. 3 to zoomed-in view;
Fig. 6 is an up the structural representation of device;
Fig. 7 is the side view of Fig. 6;
Fig. 8 is the structural representation of roll change base;
Fig. 9 is the side view of Fig. 8;
Figure 10 is the top view of Fig. 8;
Figure 11 is the A-A sectional view of Fig. 8;
Figure 12 is slideway and roll change hydraulic cylinder connection diagram;
Figure 13 is the upper and lower support roller of milling train, the structural representation that upper working rolls and lower working rolls are installed with frame;
Figure 14 is the side view of Figure 13.
In figure labelling is as follows:Upper backup roll 1, top working roll 2, bottom working roll 3, lower backing roll 4, slideway 5, roll change hydraulic cylinder 6th, lifting device 7, upper backup roll shelf 8, roll change base 9, upper backup roll shelf platform 10, upper backup roll shelf vertical frame 11st, upper backup roll shelf buckle 12, lifting shoulder pole 13, lifting arm 14, lifting cylinder 15, roll change base buckle 16, roll change hydraulic pressure Cylinder fixed claw 17.
Specific embodiment
This utility model is made up of slideway 5, roll change hydraulic cylinder 6, lifting device 7, upper backup roll shelf 8, roll change base 9. Wherein lifting device 7 is used for being lifted or falling upper backup roll 1, and upper backup roll shelf 8 is used for changing upper backup roll 1, roll change base 9 For changing working roll and lower backing roll 4, slideway 5 and roll change hydraulic cylinder 6 are mobile and driving means.
This utility model is used cooperatively by the slideway 5 outside milling train and roll change hydraulic cylinder 6 and lifting device 7, Neng Gouli Individually upper backup roll 1 is extracted out from rolling-mill housing with support roller shelf 8 and changed it is also possible to be utilized roll change base 9, After lower backing roll 4 and top working roll 2, bottom working roll 3 being extracted out in the case of not extracting upper backup roll 1 out, change and need replacing Roller external member.Not only increase roll change efficiency, also ensure the assembling quality of milling train simultaneously.
In figure shows, lifting device 7 is fixed on mill housing, and lifting device 7 by lifting shoulder pole 13, lifting arm 14 and carries Rise cylinder 15 to form.Lifting arm 14 is vertically fixed in the middle part of lifting shoulder pole 13, and its top is connected with the cylinder rod of lifting cylinder 15, There is provided the power of lifting by lifting cylinder 15, bottom is connected with lifting shoulder pole 13, by lifting shoulder pole 13 and upper backup roll bearing The groove fit of seat, upper backup roll 1 is lifted.Driven by inputting compressed air to two working chambers of lifting cylinder 15 Lifting arm 14 thus driving the bidirectional-movement that lifting shoulder pole 13 is realized up or down, thus by top working roll 2 and its bearing block Lifted or put down.
In figure shows, upper backup roll shelf 8 by upper backup roll shelf platform 10, upper backup roll shelf vertical frame 11, on Support roller frame subcard button 12 connects composition, and one end of upper backup roll shelf platform 10 is fixedly connected on upper backup roll shelf vertical frame The upper end of frame 11, the upper surface of upper backup roll shelf platform 10 is relative with the lower surface of upper backup roll 1, supports upper backup roll 1. There are upper backup roll shelf buckle 12, upper backup roll shelf in the lower end of the upper backup roll shelf vertical frame 11 of upper backup roll shelf 8 Buckle 12 is connected with the roll change hydraulic cylinder fixed claw 17 of roll change hydraulic cylinder 6.
In figure shows, roll change base 9 is rectangular structure, and roll change liquid is passed through with roll change hydraulic cylinder 6 in one end of roll change base 9 Cylinder pressure fixed claw 17 is connected, and the upper surface of roll change base 9 is relative with the lower surface of lower backing roll 4, support top working roll 2, Bottom working roll 3 and lower backing roll 4.The bottom surface of roll change base 9 is to be slidably connected with the upper surface of slideway 5, outside roll change base 9 There is roll change base buckle 16 at end, and roll change base buckle 16 is connected with the roll change hydraulic cylinder fixed claw 17 of roll change hydraulic cylinder 6.Roll change Hydraulic cylinder 6 is to extract upper backup roll shelf 8 or roll change base 9 out to provide power, make upper backup roll shelf 8 vertical frame lower end or The bottom surface of roll change base 9 skids off along the upper surface of slideway 5.
In figure shows, slideway 5 is fixed in ground base, and upper backup roll shelf 8, roll change base 9 and roll change hydraulic cylinder 6 are equal Slideway 5 runs, its upper surface is equal with the lower surface of roll change base 9.Change and guide upper backup roll shelf 8 during roll or change Roller base 9 outwards skids off along its upper surface.
Roll-changing method of the present utility model is as follows:
Change upper backup roll 1
Housing pin on memorial archway for the upper backup roll 1 is unclamped, upper backup roll 1 is carried by the lifting cylinder 15 of lifting device 7 Dynamic lifting arm 14, thus driving lifting shoulder pole 13 to lift certain distance, forms suitable gap with top working roll 2, then by upper support Roll stand 8 overhead traveling crane is hung on slideway 5, promotes roll change hydraulic cylinder 6 by roll change hydraulic cylinder fixed claw 17 and upper backup roll shelf card Button 12 is connected, and roll change hydraulic cylinder 6 drives upper backup roll shelf 8 to stretch into milling train outside milling train, puts down lifting device 7, by upper Support roller 1 is placed on upper backup roll shelf platform 10, and roll change hydraulic cylinder 6 drives upper backup roll shelf 8, and upper backup roll shelf 8 carries Dynamic upper backup roll 1 is extracted out together.Hang the upper backup roll 1 of lower extraction with overhead traveling crane, then with overhead traveling crane, the upper backup roll 1 that need are changed is hung in On upper backup roll shelf 8, then upper backup roll shelf 8 is driven by roll change hydraulic cylinder 6, upper backup roll shelf 8 drives upper backup roll 1 one Rise and push milling train.Lift lifting device 7, make upper backup roll 1 bottom leave certain space, then driven by roll change hydraulic cylinder 6 Support roller shelf 8 is extracted out together.Hung with overhead traveling crane and go on support roller shelf 8, put back at fixation, put down lifting device 7, by upper support Housing pin fastening on memorial archway for the roller 1, realizes changing the work of upper backup roll 1.
Change working roll
First start roll change hydraulic cylinder 6 its roll change hydraulic cylinder fixed claw 17 is connected with roll change base buckle 16, start roll change Roll change base 9 is pulled out together with lower backing roll 4 and top working roll 2, bottom working roll 3 by hydraulic cylinder 6, changes working roll with overhead traveling crane Afterwards, then by roll change base 9 together push milling train with top working roll 2, bottom working roll 3 and lower backing roll 4, and will be solid for the assembling of each roller Determine roll change work is completed on rolling-mill housing.
Change lower backing roll 4
First start roll change hydraulic cylinder 6 its roll change hydraulic cylinder fixed claw 17 is connected with roll change base buckle 16, start roll change Roll change base 9 is pulled out together with lower backing roll 4 and top working roll 2, bottom working roll 3 by hydraulic cylinder 6, hangs away top working roll with overhead traveling crane 2nd, bottom working roll 3, and after changing lower backing roll 4, then hang back top working roll 2, bottom working roll 3, by roll change base 9 and lower backing roll 4 and top working roll 2, bottom working roll 3 together push milling train, and each roller roller be fixed in rolling-mill housing complete roll change work Make.

Claims (4)

1. a kind of Quick roll-changing device of four-high mill it is characterised in that:It includes lifting device(7), upper backup roll shelf (8), roll change base(9), slideway(5), roll change hydraulic cylinder(6)Five parts, lifting device(7)It is fixed on mill housing, carry Rise device(7)With upper backup roll(1)It is connected, upper backup roll shelf(8)By upper backup roll shelf platform(10), upper backup roll frame Sub- vertical frame(11)Connect composition, upper backup roll shelf platform(10)One end be fixedly connected on upper backup roll shelf vertical frame Frame(11)Upper end, upper backup roll shelf vertical frame(11)Lower end be provided with upper backup roll shelf buckle(12)With roll change hydraulic pressure Cylinder(6)It is attached, roll change base(9)For rectangular structure, it is arranged on the foot of mill housing, roll change base(9)Outer End is provided with roll change base buckle(16)With roll change hydraulic cylinder(6)It is connected, slideway(5)It is fixed on the ground base outside milling train On, under its upper surface and mill housing ground at grade, roll change hydraulic cylinder(6)It is arranged on milling train outboard runner(5)'s End, roll change hydraulic cylinder(6)Roll change hydraulic cylinder fixed claw is installed in termination(17)With upper support roller shelf buckle(12)Or roll change bottom Seat buckle(16)It is connected.
2. four-high mill according to claim 1 Quick roll-changing device it is characterised in that:Described lifting device(7)By Lifting cylinder(15), lifting arm(14)With lifting shoulder pole(13)Composition, lifting arm(14)It is fastened on lifting shoulder pole(13)In Portion, lifting arm(14)Top and lifting cylinder(15)It is connected, lift shoulder pole(13)With upper backup roll(1)Corresponding.
3. four-high mill according to claim 2 Quick roll-changing device it is characterised in that:Described upper backup roll shelf (8)Upper backup roll shelf platform(10)Upper surface and upper backup roll(1)Lower surface contact, support upper backup roll (1), upper backup roll shelf buckle(12)With roll change hydraulic cylinder(6)Roll change hydraulic cylinder fixed claw(17)It is connected.
4. four-high mill according to claim 3 Quick roll-changing device it is characterised in that:Described roll change base(9)'s Upper surface and lower backing roll(4)Lower surface contact, support top working roll(2), bottom working roll(3)And lower backing roll(4), Roll change base(9)Outer end have roll change base buckle(16), roll change base buckle(16)With roll change hydraulic cylinder(6)Roll change hydraulic pressure Cylinder fixed claw(17)It is connected.
CN201621004053.1U 2016-08-31 2016-08-31 Quick roll -changing device of four -high mill Expired - Fee Related CN205949480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621004053.1U CN205949480U (en) 2016-08-31 2016-08-31 Quick roll -changing device of four -high mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621004053.1U CN205949480U (en) 2016-08-31 2016-08-31 Quick roll -changing device of four -high mill

Publications (1)

Publication Number Publication Date
CN205949480U true CN205949480U (en) 2017-02-15

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ID=57978740

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621004053.1U Expired - Fee Related CN205949480U (en) 2016-08-31 2016-08-31 Quick roll -changing device of four -high mill

Country Status (1)

Country Link
CN (1) CN205949480U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111483953A (en) * 2020-04-21 2020-08-04 攀钢集团工程技术有限公司 Lifting fixing device for vertical roll vertical shaft of hot-rolled plate roughing mill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111483953A (en) * 2020-04-21 2020-08-04 攀钢集团工程技术有限公司 Lifting fixing device for vertical roll vertical shaft of hot-rolled plate roughing mill
CN111483953B (en) * 2020-04-21 2022-03-22 攀钢集团工程技术有限公司 Lifting fixing device for vertical roll vertical shaft of hot-rolled plate roughing mill

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170215

Termination date: 20180831