CN102357533A - Roll shift device of four/six high exchange mill - Google Patents

Roll shift device of four/six high exchange mill Download PDF

Info

Publication number
CN102357533A
CN102357533A CN2011102819432A CN201110281943A CN102357533A CN 102357533 A CN102357533 A CN 102357533A CN 2011102819432 A CN2011102819432 A CN 2011102819432A CN 201110281943 A CN201110281943 A CN 201110281943A CN 102357533 A CN102357533 A CN 102357533A
Authority
CN
China
Prior art keywords
roll
guide plate
longitudinal guide
hydraulic pressure
moving device
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.)
Granted
Application number
CN2011102819432A
Other languages
Chinese (zh)
Other versions
CN102357533B (en
Inventor
彭建东
戚向东
许石民
马艳丽
吴宝玉
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.)
Yanshan University
Changzhou Baoling Heavy and Industrial Machinery Co Ltd
Original Assignee
Yanshan University
Changzhou Baoling Heavy and Industrial Machinery 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 Yanshan University, Changzhou Baoling Heavy and Industrial Machinery Co Ltd filed Critical Yanshan University
Priority to CN 201110281943 priority Critical patent/CN102357533B/en
Publication of CN102357533A publication Critical patent/CN102357533A/en
Application granted granted Critical
Publication of CN102357533B publication Critical patent/CN102357533B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

The invention discloses a roll shift device of a four/six high exchange mill. The device comprises a locking mechanism (1) for locking bearing blocks at the roll ends, an axial roll displacement mechanism (2) and a longitudinal position regulating mechanism (3) for adapting to upper and lower position change of the roll shift device. The device is mainly characterized by also comprising a roll shift device position change mechanism (4). The device has the following characteristics: the device has simple structure, is convenient in old type reconstruction and simple in new type manufacturing and can effectively meet the technical requirement of the four/six high exchange mill for position configuration of the roll shift device.

Description

Four or six rollers exchange the roll axial moving device of milling train
Technical field
The present invention relates to the roll axial moving device that a kind of four or six rollers exchange milling train, belong to the steel rolling equipment technology.
Background technology
Roll axial moving device according to the invention is a milling train through the moving axially of roll, and guarantees the template and the rolling plate quality of rolled plate/band, reduces a kind of device of the local abrasion of roller surface.
The roll axial moving device of existing milling train mainly comprises roll end bearing seat retaining mechanism, parts such as roll axial displacement mechanism.Pin roll end bearing seat through said retaining mechanism; Through the roll axial displacement mechanism, realize moving axially of roll.This is the version and the function thereof of the roll axial moving device of existing milling train.
Along with growing with each passing day of metal sheet (containing material and band) social demand; Metal sheet manufacturing enterprise require to be equipped with and a kind ofly can to implement four roller hot rollings and can implement four or six cold rolling rollers of six rollers again and exchange dual-purpose milling train; To adapt to the metal sheet Multi-varieties and Small-batch Production, effectively improve the technical economic benefit of enterprise.
Described four or six rollers exchange milling train, must give it and dispose corresponding roll mandrel moving device, realize that the position of axle moving device is movable, to satisfy the said axle different transformation in moving device position in same rolling-mill housing (memorial archway, as follows).Yet, the described this roll mandrel moving device that can change diverse location, not seeing so far has public reported.
Summary of the invention
The present invention aims to provide a kind of simple in structure, can change the roll axial moving device of diverse location, to satisfy the job requirement that four or six rollers exchange milling train.
Realize the technical though of the object of the invention, the one, the version of the axle moving device of reservation prior art is with convenient old mill type modification and new architecture manufacturing; The 2nd, between upper and lower 2 the roll mandrel moving devices arranged apart in framework window the same side; Increase a roll mandrel moving device shift in position mechanism; Through the change of roll mandrel moving device position, satisfy the technical configuration of the diverse location of the cold rolling middle roll shaft moving device of four roller hot rolling working rolls and six rollers respectively.Thereby realization the object of the invention.
Based on above-mentioned technical though, the present invention realizes that the technical scheme of its purpose is:
A kind of four or six rollers exchange the roll axial moving device of milling train, comprising:
One is used for locking the locking mechanism of roll end bearing seat; Said locking mechanism comprises lockplate and is fixed on axle and moves the locking hydraulic pressure cylinder assembly on the cylinder piece, and the piston rod of locking hydraulic pressure cylinder assembly is connected with lockplate, lockplate through its 2 set slotted holes arranged apart via screw and spool move the cylinder piece and be slidingly connected; Under the driving of locking hydraulic pressure cylinder assembly, lockplate can move laterally and lock roll end bearing seat;
One roll axial displacement mechanism, said roll axial displacement mechanism comprises base, axle moves hydraulic pressure cylinder assembly and moves the cylinder piece with axle; Base moves the cylinder piece with axle and along roll endwisely slips equipped through set guideway between the two; Axle moves hydraulic pressure cylinder assembly and is located at axle and moves in the cylinder piece and its piston rod is connected with longitudinal guide plate, and driving shaft moves hydraulic pressure cylinder assembly, can drive roll and move along its axis;
One is used for adapting to the lengthwise position governor motion of roll upper-lower position change; Said roll lengthwise position governor motion comprises the longitudinal guide plate that is connected with base, and longitudinal guide plate seat that is fixedly connected with rolling-mill housing and the block that is fixed on longitudinal guide plate seat bottom are with the latch that is connected with longitudinal guide plate; Said longitudinal guide plate and longitudinal guide plate seat slide equipped between the two through the second set guideway, and longitudinal guide plate can be along the rolling-mill housing upper and lower to moving;
The roll axial moving device of being made up of said roll chock locking mechanism, roll axial displacement mechanism and lengthwise position governor motion has 4; The structure of 4 roll axial moving devices is identical; And each difference symmetric arrangement is 2 in rolling-mill housing window operation face both sides, and has spacing arranged apart up and down at 2 roll axial moving devices that each side is arranged; And its:
Also comprise roll mandrel moving device shift in position mechanism; Said roll mandrel moving device shift in position mechanism is provided in a side of the shift in position hydraulic pressure cylinder assembly between upper and lower 2 the roll axial moving devices of each side; And the cylinder body of said shift in position hydraulic pressure cylinder assembly is located in the longitudinal guide plate of 1 roll axial moving device wherein, and its piston rod with wherein in addition the longitudinal guide plate of 1 roll axial moving device be connected; Activation point change hydraulic pressure cylinder assembly can make the distance between upper and lower 2 roll axial moving devices of each side draw in or strut, with the technical configuration of the diverse location of the cold rolling axial moving device of intermediate rolls of the working roll that satisfies four roller hot rollings respectively and six rollers.
Can be understood by above given technical scheme, the present invention is owing on the technical scheme basis of prior art, increased the shift in position mechanism of roll mandrel moving device; Under the effect of shift in position hydraulic pressure cylinder assembly; Can adjust the distance between upper and lower two roll axial moving devices easily, and satisfy four roller hot rolling working rolls and the cold rolling intermediate calender rolls of six rollers that four or six rollers exchange milling train respectively, both are to the configuration requirement of axial moving device position; Thereby realized the object of the invention; And convenient to old mill type modification, the new architecture manufacturing is simple, and has tangible technical economic benefit.
In order further to guarantee the template and the rolling quality of metal sheet; With its operating automation degree of raising; The present invention also advocates, the locking hydraulic pressure cylinder assembly of said locking mechanism, and the axle of roll axial displacement mechanism moves hydraulic pressure cylinder assembly; Shift in position hydraulic pressure cylinder assembly with the shift in position mechanism of roll mandrel moving device shift in position mechanism; All accept the Hydraulic Servo Control of milling train general control system, to control the process of locking roll end bearing seat, the change of the said roll axial moving device position in axially movable distance of roll and four or the six roller interchange process respectively.But be not limited to this, said control also can be adopted alternate manner such as T type scouring machine tool control or the like.
And described SERVO CONTROL is to pass through angular displacement sensor and servo-driver by the PLC Programmable Logic Controller, and the servomotor that is present in the motor-driven valve on the said hydraulic pressure cylinder assembly pressure fluid medium pipeline is controlled.
In technique scheme, the present invention also advocates, said lengthwise position governor motion; Also comprise longitudinal guide plate fixation mechanism, said longitudinal guide plate fixation mechanism comprises the set recess of T type guide rail of longitudinal guide plate; The adjusting screw(rod) nut assembly that is connected with the longitudinal guide plate seat; With the iron of stopping that screw rod with the adjusting screw(rod) nut assembly is dynamically connected, the turn adjusting screw(rod) can make the iron of stopping get into or withdraw from said recess, and realizes the fixation of longitudinal guide plate or removable.This technical scheme will be played a positive role for the stability and the reliability of work.Though this is the prior art of roll axial moving device, the present invention adopts.
After technique scheme was able to implement, what the present invention had was rational in infrastructure, and old mill type modification is convenient, and the new architecture manufacturing is simple, can satisfy the characteristics such as technical configuration requirement that four or six rollers exchange milling train breaker roll axial moving device, was conspicuous.
Description of drawings
Fig. 1 is that the master of a kind of specific embodiment of the present invention looks sketch map, can be understood by this accompanying drawing, and said 4 roll mandrels are to moving device, the arrangement on rolling-mill housing (memorial archway) window operation face; Among the figure shown in the double dot dash line is roll end axle bed, and said roll end bearing seat is locked in the axle that is symmetrically arranged and moves between the cylinder piece 2-3 through locking mechanism;
Fig. 2 is the vertical view of Fig. 1, and among the figure shown in the double dot dash line is roll and roll end axle bed;
Fig. 3 is the A-A cutaway view of Fig. 1; The main version of expressing shift in position hydraulic pressure cylinder assembly 4-1 of this figure;
Fig. 4 is the B-B cutaway view of Fig. 1, and this figure has mainly expressed version and location in space thereof that axle moves hydraulic pressure cylinder assembly 2-2.
The specific embodiment
Below contrast accompanying drawing, the description through the specific embodiment is described further the present invention.
A kind of typical specific embodiment is shown in accompanying drawing 1 ~ 4.
A kind of four or six rollers exchange the roll axial moving device of milling train, comprise
One is used for locking the locking mechanism 1 of roll end bearing seat; Said locking mechanism 1 comprises lockplate 1-1 and is fixed on axle and moves the locking hydraulic pressure cylinder assembly 1-2 on the cylinder piece 2-3; And the piston rod of locking hydraulic pressure cylinder assembly 1-2 is connected with lockplate 1-1, and lockplate 1-1 moves cylinder piece 2-3 via screw with axle through its set 2 slotted hole 1-1-2 arranged apart and is slidingly connected; Under the driving of locking hydraulic pressure cylinder assembly 1-2, lockplate 1-1 can move laterally and lock roll end bearing seat;
One roll axial displacement mechanism 2, said roll axial displacement mechanism 2 comprises base 2-1, and axle moves hydraulic pressure cylinder assembly 2-2 and moves cylinder piece 2-3 with axle, and axle moves cylinder piece 2-3 and base 2-1 endwisely slips equipped through set guideway 2-4 between the two along roll; Axle moves hydraulic pressure cylinder assembly 2-2 and is located at axle and moves in the cylinder piece 2-3 and its piston rod is connected with longitudinal guide plate 3-1, and driving shaft moves hydraulic pressure cylinder assembly 2-2, can drive roll and move along its axis;
One is used for adapting to the lengthwise position governor motion 3 of roll mandrel moving device upper-lower position change; Said lengthwise position governor motion 3 comprises the longitudinal guide plate 3-1 that is connected with base 2-1, and the longitudinal guide plate seat 3-2 that is fixedly connected with rolling-mill housing is fixed on the block 3-5 of longitudinal guide plate seat 3-2 bottom, with the latch 3-6 that is connected with longitudinal guide plate 3-1; Said longitudinal guide plate 3-1 and longitudinal guide plate seat 3-2 slide equipped between the two through the second set guideway 3-4, and longitudinal guide plate 3-1 can be along the rolling-mill housing upper and lower to moving;
The roll axial moving device of being made up of said roll chock locking mechanism 1, roll axial displacement mechanism 2 and lengthwise position governor motion 3 has 4; The structure of 4 roll axial moving devices is identical; And each difference symmetric arrangement is 2 in rolling-mill housing window operation face both sides, and has spacing arranged apart up and down at 2 roll axial moving devices that each side is arranged; And its:
Also comprise roll mandrel moving device shift in position mechanism 4; Said roll mandrel moving device shift in position mechanism 4 is provided in a side of the shift in position hydraulic pressure cylinder assembly 4-1 between upper and lower 2 the roll axial moving devices of each side; And the cylinder body 4-1-1 of said shift in position hydraulic pressure cylinder assembly 4-1 is located in the longitudinal guide plate 3-1 of 1 roll axial moving device wherein, and its piston rod 4-1-2 with wherein in addition the longitudinal guide plate 3-1 of 1 roll axial moving device be connected; Activation point change hydraulic pressure cylinder assembly 4-1; Can make the distance between upper and lower 2 roll axial moving devices of each side draw in or strut, with the technical configuration of the diverse location of the cold rolling axial moving device of intermediate rolls of the working roll that satisfies four roller hot rollings respectively and six rollers.
And it also comprises: the locking hydraulic pressure cylinder assembly 1-2 of said locking mechanism 1; The axle of roll axial displacement mechanism 2 moves hydraulic pressure cylinder assembly 2-2; Shift in position hydraulic pressure cylinder assembly 4-1 with roll mandrel moving device shift in position mechanism 4; All accept the Hydraulic Servo Control of milling train general control system, to control the process of locking roll end bearing seat, the change of the roll axial moving device position in axially movable distance of roll and four or the six roller interchange process respectively.
Said lengthwise position governor motion 3 also comprises the longitudinal guide plate fixation 3-3 of mechanism; The said longitudinal guide plate fixation 3-3 of mechanism; The set recess 3-3-1 of T type guide rail that comprises longitudinal guide plate 3-2; The adjusting screw(rod) nut assembly 3-3-2 that is connected with longitudinal guide plate seat 3-2; With the iron 3-3-3 that stops that screw rod with adjusting screw(rod) nut assembly 3-3-2 is dynamically connected, the turn adjusting screw(rod) can make the iron 3-3-3 that stops get into or withdraw from said recess 3-3-1, and realizes fixation or removable (shown in the position, accompanying drawing 2 upper left corner) of longitudinal guide plate 3-1.
The concise and to the point description of the course of work of the present invention is:
Under the working condition of hot rolling four rollers, under the control of general control system, shift in position hydraulic pressure cylinder assembly 4-1 is retracted to the end, and at this moment, last block 3-5 withstands longitudinal guide plate 3-1, makes down on the longitudinal guide plate 3-1 and moves on to fixed bit; Upper and lower 2 roll axial moving devices are drawn close; The lockplate 1-1 of locking mechanism 1 holds locking with hot rolling work roller end axle bed, and driving shaft moves hydraulic pressure cylinder assembly 2-2, and working roll promptly moves along its axis.
Under the working condition of cold rolling six rollers, under the control of general control system, shift in position hydraulic pressure cylinder assembly 4-1 is stretched over the end; At this moment; Following block (3-5) withstands down longitudinal guide plate 3-1, makes on the longitudinal guide plate 3-1 and moves on to fixed bit, and upper and lower 2 roll axial moving devices separately; The lockplate 1-1 of locking mechanism 1 locks cold rolling intermediate calender rolls end bearing seat, and driving shaft moves hydraulic pressure cylinder assembly 2-2, and intermediate calender rolls promptly moves along its axis.
Like first sample of the present invention described above, on probation on four or six rollers exchange milling train, its technique effect is to make us well-content, has realized original intention of the present invention.

Claims (3)

1. a roller exchanges the roll axial moving device of milling train, comprising:
One is used for locking the locking mechanism (1) of roll end bearing seat; Said locking mechanism (1) comprises lockplate (1-1) and is fixed on axle and moves the locking hydraulic pressure cylinder assembly (1-2) on the cylinder piece (2-3); And the piston rod of locking hydraulic pressure cylinder assembly (1-2) is connected with lockplate (1-1), and lockplate (1-1) moves cylinder piece (2-3) via screw with axle through its set 2 slotted holes arranged apart (1-1-2) and is slidingly connected; Under the driving of locking hydraulic pressure cylinder assembly (1-2), lockplate (1-1) can be done laterally to slide and locking roll end bearing seat;
One roll axial displacement mechanism (2); Said roll axial displacement mechanism (2); Comprise base (2-1); Axle moves hydraulic pressure cylinder assembly (2-2) and axle moves cylinder piece (2-3), and axle moves cylinder piece (2-3) and along roll endwisely slips equipped with base (2-1) through set guideway (2-4) between the two; Axle moves hydraulic pressure cylinder assembly (2-2) and is located at axle and moves in the cylinder piece (2-3) and its piston rod is connected with longitudinal guide plate (3-1), and driving shaft moves hydraulic pressure cylinder assembly (2-2), can drive roll and move along its axis;
One is used for adapting to the lengthwise position governor motion (3) of roll mandrel moving device upper-lower position change; Said roll lengthwise position governor motion (3); Comprise the longitudinal guide plate (3-1) that is connected with base (2-1); The longitudinal guide plate seat (3-2) that is fixedly connected with rolling-mill housing is fixed on the block (3-5) and the latch (3-6) that is connected with longitudinal guide plate (3-1) of longitudinal guide plate seat (3-2) bottom; Said longitudinal guide plate (3-1) slides through set between the two second guideway (3-4) with longitudinal guide plate seat (3-2) and is equipped with, and longitudinal guide plate (3-1) can be along the rolling-mill housing upper and lower to moving;
The roll axial moving device of being made up of said roll chock locking mechanism (1), roll axial displacement mechanism (2) and lengthwise position governor motion (3) has 4; The structure of 4 roll axial moving devices is identical; And each difference symmetric arrangement is 2 in rolling-mill housing window operation face both sides, and has spacing arranged apart up and down at 2 roll axial moving devices that each side is arranged; It is characterized in that:
Also comprise roll mandrel moving device shift in position mechanism (4); Said roll mandrel moving device shift in position mechanism (4) is provided in a side of the shift in position hydraulic pressure cylinder assembly (4-1) between upper and lower 2 the roll axial moving devices of each side; And the cylinder body (4-1-1) of said shift in position hydraulic pressure cylinder assembly (4-1); Be located at wherein in the longitudinal guide plate of 1 roll axial moving device (3-1), and its piston rod (4-1-2) with wherein in addition the longitudinal guide plate (3-1) of 1 roll axial moving device be connected; Activation point change hydraulic pressure cylinder assembly (4-1); Can make the distance between upper and lower 2 roll axial moving devices of each side draw in or strut, with the technical configuration of the diverse location of the cold rolling axial moving device of intermediate rolls of the working roll that satisfies four roller hot rollings respectively and six rollers.
2. four or six rollers according to claim 1 exchange the roll axial moving device of milling train; It is characterized in that: the locking hydraulic pressure cylinder assembly (1-2) of said locking mechanism (1); The axle of roll axial displacement mechanism (2) moves hydraulic pressure cylinder assembly (2-2); Shift in position hydraulic pressure cylinder assembly (4-1) with roll mandrel moving device shift in position mechanism (4); All accept the Hydraulic Servo Control of milling train general control system, to control the process of locking roll end bearing seat, the change of the roll axial moving device position in axially movable distance of roll and four or the six roller interchange process respectively.
3. four or six rollers according to claim 1 and 2 exchange the roll axial moving device of milling train; It is characterized in that; Said lengthwise position governor motion (3); Also comprise longitudinal guide plate fixation mechanism (3-3), said longitudinal guide plate fixation mechanism (3-3) comprises the set recess (3-3-1) of T type guide rail of longitudinal guide plate (3-2); The adjusting screw(rod) nut assembly (3-3-2) that is connected with longitudinal guide plate seat (3-2); With the iron of stopping (3-3-3) that screw rod with adjusting screw(rod) nut assembly (3-3-2) is dynamically connected, the turn adjusting screw(rod) can make the iron of stopping (3-3-3) get into or withdraw from said recess (3-3-1), and realizes the fixation of longitudinal guide plate (3-1) or removable.
CN 201110281943 2011-09-22 2011-09-22 Roll shift device of four/six high exchange mill Active CN102357533B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110281943 CN102357533B (en) 2011-09-22 2011-09-22 Roll shift device of four/six high exchange mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110281943 CN102357533B (en) 2011-09-22 2011-09-22 Roll shift device of four/six high exchange mill

Publications (2)

Publication Number Publication Date
CN102357533A true CN102357533A (en) 2012-02-22
CN102357533B CN102357533B (en) 2013-04-10

Family

ID=45582945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110281943 Active CN102357533B (en) 2011-09-22 2011-09-22 Roll shift device of four/six high exchange mill

Country Status (1)

Country Link
CN (1) CN102357533B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111203450A (en) * 2020-02-29 2020-05-29 东台市华裕机械配件有限公司 Spacing adjustment formula non ferrous metal hot rolling cooling body

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785651A (en) * 1985-02-08 1988-11-22 Sms Schloemann-Siemag Ag Device for axial displacement of rolls in a rolling stand
CN2067613U (en) * 1990-02-24 1990-12-19 冶金工业部钢铁研究总院 Hydraulic system for axially moving roller
JPH0622722B2 (en) * 1985-05-29 1994-03-30 石川島播磨重工業株式会社 Roll device and rolling mill equipped with the roll device
CN201316740Y (en) * 2008-12-20 2009-09-30 山西太钢不锈钢股份有限公司 Two-roll horizontal type rolling mill roll working end
CN202278009U (en) * 2011-09-22 2012-06-20 常州宝菱重工机械有限公司 Roll axial shift device of four-roll and six-roll interchange mill

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785651A (en) * 1985-02-08 1988-11-22 Sms Schloemann-Siemag Ag Device for axial displacement of rolls in a rolling stand
JPH0622722B2 (en) * 1985-05-29 1994-03-30 石川島播磨重工業株式会社 Roll device and rolling mill equipped with the roll device
CN2067613U (en) * 1990-02-24 1990-12-19 冶金工业部钢铁研究总院 Hydraulic system for axially moving roller
CN201316740Y (en) * 2008-12-20 2009-09-30 山西太钢不锈钢股份有限公司 Two-roll horizontal type rolling mill roll working end
CN202278009U (en) * 2011-09-22 2012-06-20 常州宝菱重工机械有限公司 Roll axial shift device of four-roll and six-roll interchange mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111203450A (en) * 2020-02-29 2020-05-29 东台市华裕机械配件有限公司 Spacing adjustment formula non ferrous metal hot rolling cooling body

Also Published As

Publication number Publication date
CN102357533B (en) 2013-04-10

Similar Documents

Publication Publication Date Title
CN101462121B (en) Wire rod bar blooming mill
CN102357581A (en) Strip stretch bending leveller
CN202278009U (en) Roll axial shift device of four-roll and six-roll interchange mill
CN201832878U (en) Three-roller plate bending machine
CN101676041A (en) 20-roll rolling mill comprising upper and lower splitting integrated roll box and method for replacing rolls thereof
CN209255478U (en) Unilateral rack moves omnipotent reversible blooming mill
CN201644507U (en) Multiplication stroke push-and-pull device
CN102357533B (en) Roll shift device of four/six high exchange mill
CN102513374B (en) Transverse multi-section crossed work roller plate shape regulating and controlling method of steel strip rolling mill and regulating and control device thereof
CN203678861U (en) Fast-lateral-moving mechanism of two-roller rolling mill
CN204448821U (en) Universal mill sky crosses the switching device shifter of roller-way and roll stacks
CN113385541A (en) Energy-saving continuous casting and rolling pendulum shear for thin slab
CN202290723U (en) Four-roll and six-roll exchange mill
CN202824155U (en) Variable deflection four-roller rolling mill with a plurality of screw down cylinders
CN201823754U (en) Device for replacing bent roller block or balance block of rolling mill
CN206262982U (en) A kind of milling train foreground material feeding structure
CN202527550U (en) Upper-roll numerical control universal type plate rolling machine
CN110181016B (en) 2+8 roller combined thick plate blank large-pressure casting and rolling machine
CN201040288Y (en) Working roll exchanging machine
CN202283547U (en) Pedestal device for four-roller and six-roller switching rolling mill
CN102303045B (en) Four-roller and six-roller exchangeable rolling mill
CN202270796U (en) Stretching-bending straightener for strips
CN203830418U (en) Supporting roller horizontal shift adjusting locking device of rolling mill
CN212329258U (en) Three-roller and four-roller system interchange rolling mill
CN202963107U (en) Multi-purpose roller system quick opening and roller exchange device of straightening machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant