CN201179526Y - Roll shifting apparatus for working roll of roller mill - Google Patents
Roll shifting apparatus for working roll of roller mill Download PDFInfo
- Publication number
- CN201179526Y CN201179526Y CNU2008201106728U CN200820110672U CN201179526Y CN 201179526 Y CN201179526 Y CN 201179526Y CN U2008201106728 U CNU2008201106728 U CN U2008201106728U CN 200820110672 U CN200820110672 U CN 200820110672U CN 201179526 Y CN201179526 Y CN 201179526Y
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- roll
- joint
- roll shifting
- cylinder
- mill
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Abstract
The utility model discloses a roll shift device for a rolling mill work roll, which comprises two roll shift hydraulic cylinders (12, 13), as well as an ejector pin (2) and a rotary mechanism which are respectively connected with the two roll shift hydraulic cylinders (12, 13); a cylinder rod (11) of one of the roll shift hydraulic cylinders is sleeved with a joint (1), the end part of the cylinder rod (11) is provided with a cylinder rod joint (10), and the ejector pin (2) is connected with the joint (1). At the time of ensuring the work roll to carry out roll shift regulation, the roll shift device for the rolling mill work roll of the utility model can be convenient to operate, full automatically and rapidly carry out the installation or the change of the work roll, and enhance production operation ratio.
Description
Technical field
The utility model relates to rolling mill for metal, the particularly a kind of operation roll of mill roll shifting device that can install, change the working roll of rolled sheet metal band and strip rolling mill.
Background technology
When mill milling band steel, need carry out along strip width direction position axially moving in opposite directions regulating to top working roll, bottom working roll, adjust the template purpose to reach.At present, a kind of mode that existing operation roll of mill roll shifting is adopted, as the Chinese patent ZL200620137863.4 of CERI Technology Co., Ltd. " modified mkw mill ", it is made of backing roll, working roll and intermediate calender rolls, the intermediate calender rolls of this milling train is a live-roller, the roll shape roll shifting adjustment of working roll is by the roll shifting hydraulic cylinder, and working roll is connected by attachment pegs with the cylinder bar of roll shifting hydraulic cylinder.Its weak point: no matter one is that roll shifting hydraulic cylinder and working roll link together and drive working roll play or roll shifting hydraulic cylinder and working roll and throw off and change working roll and all need manually its latch to be inserted or extract its pin-and-hole, makes installment work roller and replacing working roll and effort thereof; Its two milling trains transmission side be provided with intermediate calender rolls transmission connecting shaft, connect equipment such as shaft tray and various production medium pipelines, narrow, the severe operational environment in operating space makes working roll change and inconvenient.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and a kind of reliable operation roll of mill roll shifting device convenient and simple for operation is provided.
The utility model operation roll of mill roll shifting device comprises two roll shifting hydraulic cylinders, respectively push rod and the rotating mechanism that connects with two roll shifting hydraulic cylinders; Be set with joint on the cylinder bar of roll shifting hydraulic cylinder, the cylinder knock-off joint be installed at the cylinder boom end; Push rod connects with joint.
The utility model operation roll of mill roll shifting device, rotating mechanism can comprise the rotating hydraulic cylinder, the bilateral tooth bar that connects with the cylinder bar of rotating hydraulic cylinder and be installed in two gears on the push rod respectively, bilateral tooth bar is meshed with gear respectively.Rotating mechanism also can comprise two rotating hydraulic cylinders and respectively with two joining two monolateral tooth bars of rotating hydraulic cylinder cylinder bar, two monolateral tooth bars respectively be installed in push rod on gear be meshed.
One end of above-mentioned push rod has screw thread, and the other end has T shape head, and described joint has internal thread.
The axial section of above-mentioned T shape head is a T shape, and end surface shape is a pancake; T shape end surface pancake can be a rectangle, also can be that a pair of relative both sides are the plane, and another is cambered surface or polygon to relative both sides.
Operation roll of mill roll shifting device described in the utility model has the following advantages and effect:
1, this device makes the rotation of T shape head by rotating mechanism, thereby push rod can be linked with working roll or throw off as required apace, has reduced the roll changing time of working roll, has improved production operational availability.
2, driving the rotating hydraulic cylinder can collude push rod to be associated in, to need not manually-operated, can change working roll safely as required automatically with working roll.
In a word, the utility model operation roll of mill roll shifting device is guaranteeing that working roll carries out having realized again working roll both easy operating when play regulates, again safety, install reliably or change, be specially adapted to six-high cluster mill, mkw mill.
Description of drawings
Fig. 1 is the utility model operation roll of mill roll shifting apparatus structure schematic diagram;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the push rod structure schematic diagram shown in Fig. 1;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is push rod and working roll disengaged condition schematic diagram.
Wherein: 1 joint, 2 push rods, 3 gears, 4 shrinkage pools, 5 metas, 6 top working rolls, 7 bottom working rolls, 8 tooth bars, 9 rotating hydraulic cylinders, 10 cylinder knock-off joints, 11 cylinder bars, 12 top working roll roll shifting hydraulic cylinders, 13 bottom working roll roll shifting hydraulic cylinders, 14 connecting keys, 15T shape head, 16 keyways, 17 screw threads.
The specific embodiment
Be described further below in conjunction with the specific embodiment of accompanying drawing the utility model operation roll of mill roll shifting device.
Referring to Fig. 1, operation roll of mill roll shifting device described in the utility model is positioned at a side of operation roll of mill, comprise top working roll roll shifting hydraulic cylinder 12, bottom working roll roll shifting hydraulic cylinder 13, respectively push rod 2 and the rotating mechanism that connects with top working roll roll shifting hydraulic cylinder 12, bottom working roll roll shifting hydraulic cylinder 13.
Be set with joint 1 on the cylinder bar 11 of each roll shifting hydraulic cylinder, at the cylinder boom end cylinder knock-off joint 10 be installed, described push rod 2 connects with joint 1.
Referring to Fig. 3 and Fig. 4, an end of push rod 2 has screw thread, and the other end has T shape 15; The axial section of this T shape 15 is a T shape, and end surface shape is a pancake, and this pancake can be a rectangle, also can be that a pair of relative both sides are the plane, and another is cambered surface or polygon to relative both sides.Joint 1 has internal thread, by this screw thread push rod 2 is connected with joint 1.
Referring to Fig. 2, rotating mechanism can comprise rotating hydraulic cylinder 9, the bilateral tooth bar 8 that connects with the cylinder bar of rotating hydraulic cylinder 9 and be installed in two gears 3 on the push rod 2 respectively, and bilateral tooth bar 8 is meshed with two gears 3 respectively.Rotating mechanism also can be have two rotating hydraulic cylinders 9 and respectively with joining two the monolateral tooth bars of two rotating hydraulic cylinders, 9 cylinder bars, two monolateral tooth bars respectively be installed in push rod 2 on two gears 3 be meshed.
In order to operate easily, realize apace, automatically changing working roll, when using the utility model operation roll of mill roll shifting device, the end of top working roll 6, bottom working roll 7 need be designed to the shrinkage pool 4 that matches with the push rod T shape head of device described in the utility model, the T shape of push rod 2 15 rotatable being placed in this shrinkage pool 4, the degree of depth of shrinkage pool 4 is equal to or greater than the thickness of T shape head, and the width shape on the orifice shapes of shrinkage pool 4 and T shape 15 a long limit is suitable, shown in Fig. 3,4.
During installation, push rod 2 connects with joint 1 by screw thread 17, between the cylinder knock-off joint 10 of joint 1 and roll shifting hydraulic cylinder 12/13 certain clearance is arranged, roll shifting hydraulic cylinder cylinder bar 11 can servo-actuated when making 15 rotations of T shape, and same roll shifting hydraulic cylinder cylinder bar 11 also is linked together by screw thread and cylinder knock-off joint 10.Connecting key 14 is installed in push rod 2 keyways 16, when rotating hydraulic cylinder 9 drives bilateral tooth bars or monolateral tooth bar 8 and pushes ahead or pull back, two gear 3 rotations drive push rod 2 and rotate synchronously, promptly realize colluding connection or colluding the state of disengagement of the utility model operation roll of mill roll shifting device and working roll.
During operation, in new working roll advances rolling-mill housing, drive at first respectively that top working roll roll shifting hydraulic cylinder 12, bottom working roll roll shifting hydraulic cylinder 13 drives top working rolls 6, bottom working roll 7 is axially traversing, make top working roll 6 and bottom working roll 7 be in meta 5 places, roll change position; Start rotating hydraulic cylinder 9 then, make rotating hydraulic cylinder 9 be with tooth bar 8 to push ahead, tooth bar 8 driven gears 3 are rotated in the forward 90 degree, and the T shape 15 that gear 3 drives push rods 2 also is rotated in the forward 90 degree, the T shape of push rod 2 15 a long limit are arranged in the shrinkage pool 4 of working roll 6/7 end, that is: T shape 15 is colluded with operation roll of mill and is associated in, referring to shown in Figure 1, control top working roll roll shifting hydraulic cylinder 12 according to the belt steel rolling situation this moment again, bottom working roll roll shifting hydraulic cylinder 13 can make top working roll 6 and bottom working roll 7 regulate to play in opposite directions along the strip width axis of orientation, adjusts template.
In like manner, when operation roll of mill need more renew roller, drive at first respectively that top working roll roll shifting hydraulic cylinder 12, bottom working roll roll shifting hydraulic cylinder 13 drives top working rolls 6, bottom working roll 7 is axially traversing, make top working roll 6 and bottom working roll 7 be in meta 5 places, roll change position; Start rotating hydraulic cylinder 9 then, make rotating hydraulic cylinder 9 be with tooth bar 8 to pull back, tooth bar 8 driven gears 3 reverse rotations 90 degree, and gear 3 also reverse rotation 90 degree of T shape 15 that drive push rods 2, make the T shape 15 narrow limit of push rod 2 be positioned at the place, shrinkage pool 4 apertures of top working roll 6 and bottom working roll 7 ends, referring to shown in Figure 5, that is: T shape 15 is in operation roll of mill and colludes disengaged condition, referring to shown in Figure 5, can pull out operation roll of mill the working roll that rolling-mill housing more renews this moment.
Claims (6)
1. operation roll of mill roll shifting device, it is characterized in that: comprise two roll shifting hydraulic cylinders (12,13), push rod (2) and the rotating mechanism that connects with two roll shifting hydraulic cylinders (12,13) respectively, be set with joint (1) on the cylinder bar (11) of described roll shifting hydraulic cylinder, in cylinder bar (11) end cylinder knock-off joint (10) is installed, described push rod (2) connects with joint (1).
2. operation roll of mill roll shifting device according to claim 1 is characterized in that: an end of described push rod (2) has screw thread, and the other end has T shape head, and described joint (1) has internal thread.
3. operation roll of mill roll shifting device according to claim 2 is characterized in that: the axial section of described T shape head is a T shape, and end surface shape is a pancake.
4. operation roll of mill roll shifting device according to claim 3 is characterized in that: described T shape end surface pancake is that rectangle or its a pair of relative both sides are the plane, and another is cambered surface or polygon to relative both sides.
5. according to one of any described operation roll of mill roll shifting device in the claim 1 to 4, it is characterized in that: described rotating mechanism comprises rotating hydraulic cylinder (9), the bilateral tooth bar (8) that connects with the cylinder bar of rotating hydraulic cylinder (9) and be installed in gear (3) on two push rods (2) respectively, bilateral tooth bar (8) is meshed with gear (3) respectively.
6. according to one of any described operation roll of mill roll shifting device in the claim 1 to 4, it is characterized in that: described rotating mechanism comprise two rotating hydraulic cylinders (9) and respectively with two rotating hydraulic cylinders (9) joining two monolateral tooth bars of cylinder bar (8), two monolateral tooth bars respectively be installed in push rod (2) on gear (3) be meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201106728U CN201179526Y (en) | 2008-04-30 | 2008-04-30 | Roll shifting apparatus for working roll of roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201106728U CN201179526Y (en) | 2008-04-30 | 2008-04-30 | Roll shifting apparatus for working roll of roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201179526Y true CN201179526Y (en) | 2009-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201106728U Expired - Lifetime CN201179526Y (en) | 2008-04-30 | 2008-04-30 | Roll shifting apparatus for working roll of roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201179526Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947555A (en) * | 2010-09-10 | 2011-01-19 | 中冶京诚工程技术有限公司 | Rolling mill work roll shifting device and safety bolt component thereof |
| CN102189112A (en) * | 2010-03-03 | 2011-09-21 | 宝山钢铁股份有限公司 | Hot-rolled cross-rolling roll shifting method for sequence changing of drawing steel |
| CN102671952A (en) * | 2012-05-25 | 2012-09-19 | 天津冶金规划设计院 | Turning device for roller box of twenty-high roll mill |
| CN103406354A (en) * | 2013-09-02 | 2013-11-27 | 北京科技大学 | Cold-rolled steel strip stretch bending straightening machine with simple roll shifting function |
| CN106623442A (en) * | 2016-12-22 | 2017-05-10 | 北京首钢股份有限公司 | Online automatic roller scurrying method of working roller of planisher and control device |
| CN114147071A (en) * | 2021-11-24 | 2022-03-08 | 北京京诚之星科技开发有限公司 | Roll shifting device of rolling mill |
-
2008
- 2008-04-30 CN CNU2008201106728U patent/CN201179526Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189112A (en) * | 2010-03-03 | 2011-09-21 | 宝山钢铁股份有限公司 | Hot-rolled cross-rolling roll shifting method for sequence changing of drawing steel |
| CN102189112B (en) * | 2010-03-03 | 2012-11-14 | 宝山钢铁股份有限公司 | Hot-rolled cross-rolling roll shifting method for sequence changing of drawing steel |
| CN101947555A (en) * | 2010-09-10 | 2011-01-19 | 中冶京诚工程技术有限公司 | Rolling mill work roll shifting device and safety bolt component thereof |
| CN101947555B (en) * | 2010-09-10 | 2012-12-26 | 中冶京诚工程技术有限公司 | Rolling mill work roll shifting device and safety bolt component thereof |
| CN102671952A (en) * | 2012-05-25 | 2012-09-19 | 天津冶金规划设计院 | Turning device for roller box of twenty-high roll mill |
| CN102671952B (en) * | 2012-05-25 | 2015-09-02 | 天津冶金规划设计院 | Mill roller case turning device |
| CN103406354A (en) * | 2013-09-02 | 2013-11-27 | 北京科技大学 | Cold-rolled steel strip stretch bending straightening machine with simple roll shifting function |
| CN103406354B (en) * | 2013-09-02 | 2015-11-25 | 北京科技大学 | A kind of cold-strip steel stretching-bending straightener with simple and easy roll shifting function |
| CN106623442A (en) * | 2016-12-22 | 2017-05-10 | 北京首钢股份有限公司 | Online automatic roller scurrying method of working roller of planisher and control device |
| CN106623442B (en) * | 2016-12-22 | 2018-11-02 | 北京首钢股份有限公司 | A kind of on-line automatic roller shifting method of planisher working roll and control device |
| CN114147071A (en) * | 2021-11-24 | 2022-03-08 | 北京京诚之星科技开发有限公司 | Roll shifting device of rolling mill |
| CN114147071B (en) * | 2021-11-24 | 2023-10-27 | 北京京诚之星科技开发有限公司 | Rolling mill roll shifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090114 |