CN109647894A - Mill roll changing device and its roll-changing method - Google Patents
Mill roll changing device and its roll-changing method Download PDFInfo
- Publication number
- CN109647894A CN109647894A CN201811649221.6A CN201811649221A CN109647894A CN 109647894 A CN109647894 A CN 109647894A CN 201811649221 A CN201811649221 A CN 201811649221A CN 109647894 A CN109647894 A CN 109647894A
- Authority
- CN
- China
- Prior art keywords
- roll
- guide rail
- changing device
- mill
- roller assembly
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses a kind of mill roll changing device and its roll-changing method, which includes upper roller assembly and lower roller assembly, and the upper roller assembly includes upper roller and two upper roll bearing seats, and upper roller both ends are installed by bearing and in two upper roll bearing seats；The lower roller assembly includes lower roll and two bottom roll bearing blocks, and lower roll both ends are installed by bearing and in two bottom roll bearing blocks；Upper roller assembly is placed on lower roller assembly, and bottom roll bearing block connects rolling mechanism far from upper roller assembly side, and rolling mechanism is placed on guide rail, can move along rail length direction.Of the invention having is easy to operate, quick, cheap, and has the function of the advantages of roll change of complete equity.
Description
Technical field
The present invention relates to metal rolled fields, more particularly to a kind of mill roll changing device and its roll-changing method.
Background technique
For rolling mill roll after working after a period of time, precision is lost in roller surface abrasion, it is necessary to be replaced.It is existing
Milling train is general using dismantling upper and lower roll respectively in roll change, and operator is using driving and lifting tool by roll from milling train
It is moved out by force in memorial archway 9, haves the shortcomings that time-consuming and laborious, labor intensity of operating staff is big.Also have and changed using roll change buggy
Roller changes as shown in fig. 6, roll has been risen to roll change position by the lifting compression system 8 illustrated in left side main mill memorial archway 9 when roll change
Roller trolley empty wagons guide rail 4 enters in framework memorial archway 9, after reaching accurate station, unloads bottom roll and falls on roll change buggy, then will
Roll change buggy outputs framework memorial archway 9, and the roll change buggy equipped with new roll is entered in framework memorial archway 9 along guide rail 4, new roll is filled
Enter in mill housing 9, but dedicated roll change buggy is bulky, but also mating special drive system, equipment manufacturing cost
It is expensive；Simultaneously because the reason of small height, correspondingly increase the height of mill housing, to the strength and stiffness of mill housing
It has a negative impact.
Summary of the invention
It provides that easy to operate, roll change is quick the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art, does not increase and roll
The mill roll changing device of machine memorial archway height.
The technical scheme is that a kind of mill roll changing device comprising upper roller assembly and lower roller assembly, the upper roller
Assembly includes upper roller and two upper roll bearing seats, and upper roller both ends are installed in two upper roll bearing seats by bearing；The lower roll
Assembly includes lower roll and two bottom roll bearing blocks, and lower roll both ends are installed in two bottom roll bearing blocks by bearing；Upper roller assembly
It is placed on lower roller assembly, bottom roll bearing block connects rolling mechanism far from upper roller assembly side, and rolling mechanism is placed on guide rail, can edge
Rail length direction is mobile.
The further technical solution of the present invention is: the rolling mechanism includes wheel set, and wheel set is movably connected in
In fixing seat, periphery and guide rail are rolled and are connected, and fixing seat is connected with bottom roll bearing block.
The further technical solution of the present invention is: the fixing seat includes fixing seat ontology and lid, the fixing seat sheet
Body generally inverted L shape, horizontal edge connect bottom roll bearing block, and the horizontal edge end face of fixing seat ontology connects lid, fixing seat ontology with
The ontology inner hole and lid inner hole, wheel set that installation wheel bearing is respectively equipped on the inside of lid are installed on by wheel bearing
In ontology inner hole and lid inner hole.
The further technical solution of the present invention is: it further includes moving guide rail, and moving guide rail is connected and fixed on the ground
The piston rod of vertical oil cylinder, piston rod can make moving guide rail can opposite rail flush, can also be to be moved down on opposite rail
It is dynamic.
The further technical solution of the present invention is: the fixing seat ontology and bottom roll bearing block connection are equipped with key.
The further technical solution of the present invention is: the guide rail is " I " fonts rail.
The further technical solution of the present invention is: the moving guide rail is " I " fonts rail.
The further technical solution of the present invention is: the bottom of the moving guide rail is fixed by " 7 " font pressing plate and bolt
On the end face of piston rod.
A kind of roll replacing method for rolling mill is also disclosed in invention, utilizes mill roll described in any one of above-mentioned technical proposal
Device replaces roll, and key step includes:
A goes up and down compression system 8 and the mill roll changing device needed to change is risen to roll change position；
Moving guide rail 41 is extended to and is flushed with guide rail 4 by B；
C is removed mill roll changing device by power out of framework memorial archway 9.
The further technical solution of the present invention is: it further includes
D by guide rail 4, moves to new mill roll changing device on the moving guide rail 41 in framework memorial archway 9；
E moves down moving guide rail 41, is placed in new mill roll changing device on the pedestal of framework memorial archway 9；
F goes up and down compression system 8 and resets.
Compared with the prior art, the invention has the following features:
1, the relatively existing roll change buggy of the present invention has low cost, and manufacturing cost is existing 50%, substantially saves production
Cost.
2, replacement roll can be made very convenient, quick using the present invention, while framework window design heat is cold shared, can used
Totally one main mill carries out cold rolling and hot rolling.
3, this changing rig both can be can also be used hydraulic cylinder and be pulled out and be pushed into very side using artificial pull-out and push-in
Just.
Detailed construction of the invention is further described below in conjunction with the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of rolling mechanism of the present invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the structural schematic diagram of rolling mechanism when the invention works；
Fig. 5 is the A-A cross-sectional view of Fig. 4；
Fig. 6 is existing roll change buggy roll change schematic diagram.
Specific embodiment
Embodiment 1
As shown in Figs. 1-5, a kind of mill roll changing device comprising upper roller assembly and lower roller assembly, the upper roller assembly includes upper
Roller 11 and two upper roll bearing seats 12,11 both ends of upper roller are installed in two upper roll bearing seats 12 by bearing；The lower roll is total
At including lower roll 11 and two bottom roll bearing blocks 22,21 both ends of lower roll are installed in two bottom roll bearing blocks 22 by bearing；On
The bearing stated is preferably biserial or four column annular tapered roller bearings, and the diameter of axle of such upper roller 11 and lower roll 21 is respectively in upper roll shaft
Hold seat 12 and 22 inner support width of bottom roll bearing block be very wide, there is good rigidity and stability, by the bearing block at both ends with
Roll, which is assembled together, is equivalent to a rigid body.
Upper roller assembly is placed on lower roller assembly, and bottom roll bearing block 22 connects rolling mechanism far from upper roller assembly side, described
Rolling mechanism includes wheel set 31 and fixing seat, and the wheel excircle of wheel set 31 is placed on guide rail 4, and wheel can be along guide rail 4
Length direction is mobile, and guide rail 4 is preferably " I " fonts rail, is bolted on ground.
Fixing seat includes fixing seat ontology 32 and lid 33, the fixing seat ontology 32 generally inverted L shape, horizontal edge connection
Bottom roll bearing block 22, as shown in figure 3, i.e. 32 upper surface of fixing seat ontology is fastened by bolts in the lower surface of bottom roll bearing block 22
Under, in order to guarantee position precision, keyway is offered on the surface that fixing seat ontology 32 is in contact with bottom roll bearing block 22, it is built-in
There is key 6.
The horizontal edge end face of fixing seat ontology 32 connects lid 33, i.e., shown in Fig. 3 to have end face that lid 33 is bolted,
The inside of fixing seat ontology 32 and lid 33 is respectively equipped with the ontology inner hole 321 and lid inner hole 331 of installation wheel bearing 34, vehicle
Wheel assembly 31 is installed in ontology inner hole 321 and lid inner hole 331 by wheel bearing 34.Lid 33 has in the present embodiment
Dual function, first is that cover board function；Second is that supporting functions, are equivalent to the supporting bearing base on 31 right side of wheel set.It is such good
Place is to play the role of support, and play easy to disassemble and maintenance.
For the ease of the present invention can efficiently and easily roll change be equipped with moving guide rail 41, i.e. guide rail 4 sets in mill housing 9
Outside mill housing 9, moving guide rail 41 is located in mill housing 9, on the piston rod 51 for installing vertical oil cylinder 5, vertical oil cylinder 5
It is mounted on opposite rail 4 and the lower position in ground is installed, the purpose is to keep the moving guide rail 41 on piston rod 51 neat with guide rail 4
It is flat, certain moving guide rail 41 under the action of vertical oil cylinder 5, can opposite rail 4 move up and down.Moving guide rail 41 is preferably " work "
Font rail, bottom is fixed on the end face of piston rod 51 by " 7 " font pressing plate 71 and bolt 72, easy to remove in this way to lead
The dismounting and maintenance of rail 41 and piston rod 51.
Invention additionally discloses a kind of roll replacing method for rolling mill, replace roll using above-mentioned mill roll changing device, main
Step includes:
A goes up and down compression system 8 and the mill roll changing device needed to change is risen to roll change position, controls the piston rod 51 of vertical oil cylinder 5
It stretches out upwards, contacts the upper surface of moving guide rail 41 and the wheel excircle of wheel set 31；
Moving guide rail 41 is extended to and is flushed with guide rail 4 by B, as shown in Figure 2 and Figure 3；
C operator can exit the mill roll changing device to be replaced, naturally it is also possible to will be rolled using hydraulic or motor drag
Machine changing rig is removed out of framework memorial archway 9, is moved at replacement through guide rail 4.
D by guide rail 4, moves to new mill roll changing device on the moving guide rail 41 in framework memorial archway 9, and it is accurate to reach
Station；
The piston rod 51 that E controls vertical oil cylinder 5 moves down 2-3mm, i.e., moves down moving guide rail 41, makes new milling train
Changing rig is placed on the pedestal of framework memorial archway 9, as shown in Figure 4, Figure 5；Allow the wheel excircle and moving guide rail of wheel set 31
Wheel set 31 and moving guide rail 41 at intervals, so as not to when milling train works, are damaged in 41 upper surface；
F goes up and down compression system 8 and resets, and roll replacement is completed, and can carry out rolling work.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of mill roll changing device, it is characterised in that: it includes upper roller assembly and lower roller assembly, and the upper roller assembly includes upper
Roller (11) and two are upper roll bearing seat (12), upper roller (11) both ends by bearing be installed on two upper roll bearing seat (12) it is interior；Institute
Stating lower roller assembly includes lower roll (11) and two bottom roll bearing blocks (22), and lower roll (21) both ends are installed on two lower rolls by bearing
In bearing block (22)；Upper roller assembly is placed on lower roller assembly, and bottom roll bearing block (22) connects roller press far from upper roller assembly side
Structure, rolling mechanism are placed on guide rail (4), can be mobile along guide rail (4) length direction.
2. a kind of mill roll changing device according to claim 1, it is characterised in that: the rolling mechanism includes wheel set
(31), wheel set (31) is movably connected in fixing seat, and periphery and guide rail (4) roll and connect, fixing seat and lower roll bearing
Seat (22) is connected.
3. a kind of mill roll changing device according to claim 2, it is characterised in that: the fixing seat includes fixing seat ontology
(32) and lid (33), the fixing seat ontology (32) generally inverted L shape, horizontal edge connect bottom roll bearing block (22), fixing seat
The horizontal edge end face of ontology (32) connects lid (33), is respectively equipped with installation wheel on the inside of fixing seat ontology (32) and lid (33)
The ontology inner hole (321) and lid inner hole (331) of bearing (34), wheel set (31) are installed on ontology by wheel bearing (34)
In inner hole (321) and lid inner hole (331).
4. a kind of mill roll changing device according to claim 3, it is characterised in that: it further includes moving guide rail (41), is moved
Dynamic guide rail (41) are connected and fixed the piston rod (51) of vertical oil cylinder (5) on the ground, and piston rod (51) can make moving guide rail
(41) can opposite rail (4) flush, can also be moved up and down with opposite rail (4).
5. a kind of mill roll changing device according to claim 3, it is characterised in that: the fixing seat ontology (32) and lower roll
Bearing block (22) connection is equipped with key (6).
6. a kind of mill roll changing device according to claim 1 or 2, it is characterised in that: the guide rail (4) is " I " fonts
Rail.
7. a kind of mill roll changing device according to claim 4, it is characterised in that: the moving guide rail (41) is " work " word
Shaped steel rail.
8. a kind of mill roll changing device according to claim 7, it is characterised in that: the bottom of the moving guide rail (41) is logical
It crosses " 7 " font pressing plate (71) and bolt (72) is fixed on the end face of piston rod (51).
9. a kind of roll replacing method for rolling mill is rolled using the replacement of mill roll changing device described in any one of the claims
Roller, key step include:
A goes up and down compression system 8 and the mill roll changing device needed to change is risen to roll change position；
Moving guide rail 41 is extended to and is flushed with guide rail 4 by B；
C is removed mill roll changing device by power out of framework memorial archway 9.
10. a kind of roll replacing method for rolling mill according to claim 9, it is characterised in that: it further includes
D by guide rail 4, moves to new mill roll changing device on the moving guide rail 41 in framework memorial archway 9；
E moves down moving guide rail 41, is placed in new mill roll changing device on the pedestal of framework memorial archway 9；
F goes up and down compression system 8 and resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649221.6A CN109647894A (en) | 2018-12-30 | 2018-12-30 | Mill roll changing device and its roll-changing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649221.6A CN109647894A (en) | 2018-12-30 | 2018-12-30 | Mill roll changing device and its roll-changing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109647894A true CN109647894A (en) | 2019-04-19 |
Family
ID=66117097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649221.6A Pending CN109647894A (en) | 2018-12-30 | 2018-12-30 | Mill roll changing device and its roll-changing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109647894A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3766595A1 (en) * | 2019-07-17 | 2021-01-20 | Primetals Technologies Austria GmbH | Cold rolling of rolled material |
| CN115847353A (en) * | 2022-11-09 | 2023-03-28 | 东莞海裕百特智能装备有限公司 | Rapid roller changing device and method for roller press |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11123416A (en) * | 1997-10-16 | 1999-05-11 | Kobe Steel Ltd | Device for holding roll of rolling mill |
| CN201239741Y (en) * | 2008-08-13 | 2009-05-20 | 中国第一重型机械集团公司 | Elevation type work roll changing machine |
| CN202207712U (en) * | 2011-07-22 | 2012-05-02 | 芜湖双源管业有限公司 | Hydraumatic roll-changing device of planisher |
| CN205042883U (en) * | 2015-09-30 | 2016-02-24 | 宝山钢铁股份有限公司 | Steel rolling work roller |
| CN209550242U (en) * | 2018-12-30 | 2019-10-29 | 衡阳市鑫诚和重型机械设备制造有限公司 | Mill roll changing device |
-
2018
- 2018-12-30 CN CN201811649221.6A patent/CN109647894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11123416A (en) * | 1997-10-16 | 1999-05-11 | Kobe Steel Ltd | Device for holding roll of rolling mill |
| CN201239741Y (en) * | 2008-08-13 | 2009-05-20 | 中国第一重型机械集团公司 | Elevation type work roll changing machine |
| CN202207712U (en) * | 2011-07-22 | 2012-05-02 | 芜湖双源管业有限公司 | Hydraumatic roll-changing device of planisher |
| CN205042883U (en) * | 2015-09-30 | 2016-02-24 | 宝山钢铁股份有限公司 | Steel rolling work roller |
| CN209550242U (en) * | 2018-12-30 | 2019-10-29 | 衡阳市鑫诚和重型机械设备制造有限公司 | Mill roll changing device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3766595A1 (en) * | 2019-07-17 | 2021-01-20 | Primetals Technologies Austria GmbH | Cold rolling of rolled material |
| WO2021009174A1 (en) * | 2019-07-17 | 2021-01-21 | Primetals Technologies Austria GmbH | Cold rolling of rolled stock |
| CN114080279A (en) * | 2019-07-17 | 2022-02-22 | 首要金属科技奥地利有限责任公司 | Cold rolling of rolled stock |
| EP3999259B1 (en) | 2019-07-17 | 2023-09-06 | Primetals Technologies Austria GmbH | Cold rolling of rolled material |
| US11975371B2 (en) | 2019-07-17 | 2024-05-07 | Primetals Technologies Austria GmbH | Cold rolling of rolled stock |
| CN115847353A (en) * | 2022-11-09 | 2023-03-28 | 东莞海裕百特智能装备有限公司 | Rapid roller changing device and method for roller press |
| CN117428009A (en) * | 2023-12-20 | 2024-01-23 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
| CN117428009B (en) * | 2023-12-20 | 2024-03-08 | 涿州市飞亚机械有限责任公司 | Double-aluminum casting and rolling machine with shared structure arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Yunsheng Inventor after: Liu Jianhua Inventor before: Liu Jianhua |
|
| CB03 | Change of inventor or designer information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
|
| RJ01 | Rejection of invention patent application after publication |