CN206065036U - Rolling-mill middle roller mechanism for axial adjusting - Google Patents

Rolling-mill middle roller mechanism for axial adjusting Download PDF

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Publication number
CN206065036U
CN206065036U CN201621048691.3U CN201621048691U CN206065036U CN 206065036 U CN206065036 U CN 206065036U CN 201621048691 U CN201621048691 U CN 201621048691U CN 206065036 U CN206065036 U CN 206065036U
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CN
China
Prior art keywords
moving mechanism
transverse
middle roller
piston rod
rolling
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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
CN201621048691.3U
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Chinese (zh)
Inventor
王立新
李良洪
胡志雄
赵江涛
黄炎锋
徐攀
胡永明
唐华
钱峰
颜红清
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Wuhan Iron and Steel Co Ltd
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Wuhan Iron and Steel Corp
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Priority to CN201621048691.3U priority Critical patent/CN206065036U/en
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Publication of CN206065036U publication Critical patent/CN206065036U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rolling-mill middle roller mechanism for axial adjusting, including with identical structure and the upper transverse-moving mechanism and lower transverse-moving mechanism of formula symmetrical above and below arrangement, the upper middle roller assembly of identical with the structure that upper transverse-moving mechanism, lower transverse-moving mechanism are detachably connected respectively and formula arrangement symmetrical above and below and lower middle roller assembly, for driving upper transverse-moving mechanism and lower transverse-moving mechanism double-piston cylinder axially movable and the frame for installing double-piston cylinder, upper transverse-moving mechanism and lower transverse-moving mechanism.This utility model causes transverse-moving mechanism realize separating between gib head and union joint and chimeric around circular articulated joint circumferential movement by the driving effect of hoist cylinder, improves the convenience and high efficiency of roller assembly in the middle of changing.

Description

Rolling-mill middle roller mechanism for axial adjusting
Technical field
This utility model is related to the technical field of metallurgical rolling machinery, in particular to a kind of axially adjustable machine of rolling-mill middle roller Structure.
Background technology
Good template is one of important indicator of cold-rolled products, improves template quality, not only contributes to improve Cold-roller Sequence lumber recovery, reduces roll consumption, moreover it is possible to lift mill speed, increases unit production capacity.
The intermediate calender rolls of cold rolling reversing multi-roll have adjustment effect to edge plate profiles such as strip steel No. 2 waves, Bian Lang, pass through The axial movement of adjustment mechanism, discharges the rolling load at strip steel edge, improves edge plate profile, improves strip quality.It is rational to adjust Flexible operation is answered by whole mechanism, reliable and stable, meets rolling mill practice requirement.
However, there is following defect in existing cold rolling reversible mill intermediate calender rolls mechanism for axial adjusting:(1) roller assembly in the middle of To be fastenedly connected between transverse-moving mechanism, in the middle of replacing, roller assembly operation is very loaded down with trivial details, increases the labor intensity of attendant; (2) as the bearing housing stress of intermediate roller driven side is complicated, existing grease lubrication mode effect on driving birds is not good, bearing often because radiating, Lubricating condition is not enough and burning, and connecting rod gib head scaling loss dross failure happens occasionally, not only causes to shut down the underproduction and steel scrap loss, and And it is high to also result in the loss of the spare parts such as intermediate calender rolls, bearing housing and connecting rod gib head.
The content of the invention
The purpose of this utility model seeks to provide a kind of rolling-mill middle roller mechanism for axial adjusting, and the adjustment mechanism is by rising The driving effect of drop oil cylinder causes transverse-moving mechanism realize separating between gib head and union joint around circular articulated joint up and down motion With it is chimeric, improve the convenience and high efficiency of roller assembly in the middle of changing.Additionally, the left bearing case of middle roller assembly transmission side is adopted With oil circuit lubricating system inside, the lubricating system of intermediate roller driven side left bearing case is changed to into thin oil injection profit by grease lubrication It is sliding, solve bearing and burn problem to death.
For achieving the above object, the rolling-mill middle roller mechanism for axial adjusting designed by this utility model, including with identical Structure and the upper transverse-moving mechanism of formula symmetrical above and below arrangement and lower transverse-moving mechanism, removable with upper transverse-moving mechanism, lower transverse-moving mechanism respectively Unload connection structure is identical and the upper middle roller assembly and lower middle roller assembly of formula symmetrical above and below arrangement, for driving upper cross sliding machine Structure and lower transverse-moving mechanism double-piston cylinder axially movable and for installing double-piston cylinder, upper transverse-moving mechanism and lower horizontal stroke The frame of telephone-moving structure;
The double-piston cylinder is included the horizontal cylinder body being fixedly connected with frame, is located in horizontal cylinders body and be parallel up and down The upper piston rod and lower piston rod of setting, the telescopic end of the upper piston rod are stretched into frame inner chamber and are axially connected with upper transverse-moving mechanism Connect, the telescopic end of the lower piston rod is stretched into frame inner chamber and is axially connected with lower transverse-moving mechanism;
The upper transverse-moving mechanism and lower transverse-moving mechanism include pull bar, hoist cylinder and the gib head in semicircular configuration, One end of the pull bar is hinged head assembly by circle and is hinged with the telescopic end of double-piston cylinder piston rod, the pull bar it is another End is connected with gib head by the square head assembly that is hinged, and is hinged, the upper horizontal stroke in the middle part of the telescopic end of the hoist cylinder and pull bar The cylinder body of the hoist cylinder of telephone-moving structure is passed, the lower transverse-moving mechanism The cylinder body of hoist cylinder is passed and is hinged with framework soleplate in the middle part of framework soleplate and its cylinder body;
The upper middle roller assembly and lower middle roller assembly include intermediate calender rolls, are arranged on the left bearing of intermediate roller driven side Case and the right bearing case of intermediate calender rolls fore side is arranged on, the left bearing case includes housing, is arranged on shell one end and gib head The union joint for matching, the end cap for being arranged on the housing other end and the first mandrel being located in housing, the union joint One end is provided with the annular groove for being embedded in for gib head, and the other end of the union joint is connected with housing by screw thread;It is described One end of first mandrel is arranged in housing by bearing assembly, and the other end of first mandrel passes end cap by half-and-half connecing Handss are fixedly connected with one end of intermediate calender rolls, and the other end of the intermediate calender rolls is by half-and-half catcher and the be located in right bearing case Two mandrels are fixedly connected.So, the pull bar of upper transverse-moving mechanism and lower transverse-moving mechanism can be around circle under the driving of hoist cylinder Articulated joint campaign is realized separating between gib head and union joint and chimeric, be conducive to improving in the middle of changing the convenience of roller assembly and High efficiency.
Further, it is described it is square be hinged in head assembly the oil connection being provided with for being connected with external high pressure oil pipe, It is provided with the gib head and union joint through its internal oil circuit, one end of the oil circuit is connected with oil connection, institute State the other end of oil circuit and the intracavity inter-connection of left bearing case.Oil circuit lubricating system inside is material is thus formed, can be by outer Portion's high-pressure oil pipe injection lubricating oil enters the inner chamber of left bearing case through oil circuit, by the lubrication side of intermediate roller driven side left bearing case Formula is changed to thin oil injection lubrication by traditional grease lubrication, it is to avoid intermediate roller driven side left bearing case scaling loss dross failure, solution Bearing of having determined burns problem to death.
Further, the square head assembly that is hinged is provided with for preventing oil leak with the end face that gib head fits The first O-ring seal, the gib head and the end face that union joint fits are provided with the second of oil leak O-shaped for preventing Sealing ring.So, it is to avoid the situation of leakage occurs in lubricating oil when the inner chamber of left bearing case is entered through oil circuit.
Further, the bearing assembly includes being set on the first mandrel the first ladder axle sleeve, the second ladder axle sleeve, It is set in the first multidiameter clutch shaft bearing for putting, the second bearing being set on the second ladder axle sleeve and is arranged on first The first location nut and the second location nut between ladder axle sleeve and the second ladder axle sleeve, first location nut and second Compression spring is additionally provided between location nut.
Further, sealing ring is provided between the second ladder axle sleeve and end cap.So, it is to avoid left bearing case There is the situation of leakage in the lubricating oil of inner chamber.
Yet further, be provided with top guide bar and lower guide rod on the horizontal cylinder body, the top guide bar and upper piston rod it Between be provided with upper junction plate, one end of the upper junction plate is fixedly connected with the end of upper piston rod, the upper junction plate it is another But one end is set on top guide bar and which slides axially;Lower connecting plate is provided between the lower guide rod and lower piston rod, it is described One end of lower connecting plate is fixedly connected with the end of lower piston rod, and the other end of the lower connecting plate is set on lower guide rod and can Which slides axially.As such, it is possible to pass through the effect of contraction that guide rod is formed with connecting plate, it is ensured that upper piston rod, lower piston rod are along which Axially-movable.
Further, the first sensor and second being connected with external control system is provided with the horizontal cylinder body Sensor, is equipped with the first scale that can be slid axially along which and be fixedly connected with upper junction plate, institute on the first sensor State and in second sensor, be equipped with the second scale that can be slid axially along which and be fixedly connected with lower connecting plate.As such, it is possible to logical Cross external control system and control signal is passed to into first sensor and second sensor, control upper piston rod and lower piston rod The displacement of axially-movable.
Compared with prior art, the utility model has the advantage of:
First, upper transverse-moving mechanism of the present utility model and upper middle roller assembly, lower transverse-moving mechanism and upper middle roller assembly it Between pass through gib head and union joint and connect, the pull bar of upper transverse-moving mechanism and lower transverse-moving mechanism can be around circle under the driving of hoist cylinder Shape articulated joint campaign is realized separating between gib head and union joint and chimeric, improves the convenience and height of roller assembly in the middle of changing Effect property.
Second, be provided with gib head of the present utility model and union joint through its internal oil circuit, one end of oil circuit with Oil connection is connected, the other end of oil circuit and the intracavity inter-connection of left bearing case, material is thus formed internal oil passages lube system System, can inject the inner chamber that lubricating oil enters left bearing case through oil circuit by external high pressure oil pipe, and intermediate roller driven side is left The lubricating system of bearing housing is changed to thin oil injection lubrication by traditional grease lubrication, it is to avoid intermediate roller driven side left bearing case burns Dross failure is damaged, bearing is solved and is burnt problem to death.
Third, the first sensor being connected with external control system and are provided with horizontal cylinder body of the present utility model Two sensors, as such, it is possible to passing through external control system passes to first sensor and second sensor by control signal, control Upper piston rod processed and the displacement of lower piston rod axially-movable.
Description of the drawings
Fig. 1 is a kind of cross section structure diagram of rolling-mill middle roller mechanism for axial adjusting;
Fig. 2 is the mplifying structure schematic diagram at I in Fig. 1;
Wherein, upper transverse-moving mechanism 1, lower transverse-moving mechanism 2, upper middle roller assembly 3, lower middle roller assembly 4, double-piston cylinder 5, Frame 6, horizontal cylinder body 7, upper piston rod 8.1, lower piston rod 8.2, pull bar 9, hoist cylinder 10, gib head 11, circular articulated joint group Part 12, it is square be hinged head assembly 13, intermediate calender rolls 14, left bearing case 15, right bearing case 16, housing 17, union joint 18, end cap 19, Bearing assembly 20, the first mandrel 20.1, half-and-half the second mandrel 20.2, catcher 21, oil connection 22, oil circuit 23, the first O-shaped sealing The 24, second O-ring seal 25 of circle, the first ladder axle sleeve 26, the second ladder axle sleeve 27, clutch shaft bearing 28, second bearing 29, first Location nut 30, the second location nut 31, compression spring 32, sealing ring 33, top guide bar 34, lower guide rod 35, upper junction plate 36, under Connecting plate 37, first sensor 38, second sensor 39, the first scale 40, the second scale 41.
Specific embodiment
This utility model is described in further detail below in conjunction with the drawings and specific embodiments:
A kind of rolling-mill middle roller mechanism for axial adjusting shown in figure, including with identical structure and formula symmetrical above and below arrangement Upper transverse-moving mechanism 1 and lower transverse-moving mechanism 2, identical with the structure that upper transverse-moving mechanism 1, lower transverse-moving mechanism 2 are detachably connected respectively And the upper middle roller assembly 3 and lower middle roller assembly 4 of formula symmetrical above and below arrangement, for driving upper transverse-moving mechanism 1 and lower cross sliding machine The double-piston cylinder 5 axially movable of structure 2, and for installing double-piston cylinder 5, upper transverse-moving mechanism 1 and lower transverse-moving mechanism 2 Frame 6;
Double-piston cylinder 5 is included the horizontal cylinder body 7 being fixedly connected with frame 6, is located in horizontal cylinder body 7 and be upper and lower parallel The upper piston rod 8.1 and lower piston rod 8.2 of setting, the telescopic end of upper piston rod 8.1 stretch into 6 inner chamber of frame and upper transverse-moving mechanism 1 Axially connect, the telescopic end of lower piston rod 8.2 is stretched into 6 inner chamber of frame and is axially connected with lower transverse-moving mechanism 2;
Upper transverse-moving mechanism 1 and lower transverse-moving mechanism 2 include pull bar 9, hoist cylinder 10, and the gib head in semicircular configuration 11, one end of pull bar 9 is hinged head assembly 12 by circle and is hinged with the telescopic end of 5 piston rod of double-piston cylinder, pull bar 9 it is another End is connected with gib head 11 by the square head assembly 13 that is hinged, and telescopic end and the middle part of pull bar 9 of hoist cylinder 10 are hinged, upper traversing The cylinder body of the hoist cylinder 10 of mechanism 1 is passed, lower transverse-moving mechanism 2 The cylinder body of hoist cylinder 10 is passed;
Upper middle roller assembly 3 and lower middle roller assembly 4 include intermediate calender rolls 14, are arranged on the left axle of 14 transmission side of intermediate calender rolls Hold case 15, and be arranged on the right bearing case 16 of 14 fore side of intermediate calender rolls, left bearing case 15 includes housing 17, is arranged on housing 17 One end and the union joint 18 for matching of gib head 11, the end cap 19 for being arranged on 17 other end of housing, and it is located in housing 17 First mandrel 20.1, one end of union joint 18 are provided with the annular groove for being embedded in for gib head 11, the other end of union joint 18 It is connected with housing 17 by screw thread;One end of first mandrel 20.1 is arranged in housing 17 by bearing assembly 20, the first mandrel 20.1 other end is passed end cap 19 and is fixedly connected with one end of intermediate calender rolls 14 by half-and-half catcher 21, the other end of intermediate calender rolls 14 It is fixedly connected with the second mandrel 20.2 being located in right bearing case 16 by half-and-half catcher 21.So, upper transverse-moving mechanism 1 is with The pull bar 9 of transverse-moving mechanism 2 can realize gib head 11 and union joint 18 around circular articulated joint campaign under the driving of hoist cylinder 10 Between separation and chimeric, be conducive to improving the convenience and high efficiency of roller assembly in the middle of changing.
In above-mentioned technical proposal, it is square be hinged to be provided with head assembly 13 connect for the oil pipe being connected with external high pressure oil pipe 22, it is provided with gib head 11 and union joint 18 through its internal oil circuit 23, one end and 22 phase of oil connection of oil circuit 23 Connection, the other end of oil circuit 23 and the intracavity inter-connection of left bearing case 15.Oil circuit lubricating system inside is material is thus formed, can be with The inner chamber that lubricating oil enters left bearing case 15 through oil circuit 23 is injected by external high pressure oil pipe, by intermediate roller driven side left bearing The lubricating system of case 15 is changed to thin oil injection lubrication by traditional grease lubrication, it is to avoid intermediate roller driven side left bearing case 15 burns Dross failure is damaged, bearing is solved and is burnt problem to death.It is square be hinged head assembly 13 and the end face that gib head 11 fits be provided with for The first O-ring seal 24 of oil leak, gib head 11 is prevented to be provided with for preventing profit with the end face that union joint 18 fits Second O-ring seal 25 of lubrication leakage.So, it is to avoid lubricating oil goes out when inner chamber of the oil circuit 23 into left bearing case 15 Situation about now leaking.
In above-mentioned technical proposal, the first ladder axle sleeve 26 that bearing assembly 20 includes being set on the first mandrel 20.1, Two ladder axle sleeves 27, the clutch shaft bearing 28 being set on the first ladder axle sleeve 26, second be set on the second ladder axle sleeve 27 Bearing 29, and the first location nut 30 for being arranged between the first ladder axle sleeve 26 and the second ladder axle sleeve 27 and the second positioning Nut 31, is additionally provided with compression spring 32 between the first location nut 30 and the second location nut 31.Second ladder axle sleeve 27 with Sealing ring 33 is provided between end cap 19.
In above-mentioned technical proposal, top guide bar 34 and lower guide rod 35, top guide bar 34 and upper piston rod on horizontal cylinder body 7, are provided with Upper junction plate 36 is provided between 8.1, one end of upper junction plate 36 is fixedly connected with the end of upper piston rod 8.1, upper junction plate But 36 other end is set on top guide bar 34 and which slides axially;Lower company is provided between lower guide rod 35 and lower piston rod 8.2 Fishplate bar 37, one end of lower connecting plate 37 are fixedly connected with the end of lower piston rod 8.2, and the other end of lower connecting plate 37 is set in down On guide rod 35 and but which slides axially.As such, it is possible to pass through the effect of contraction that guide rod is formed with connecting plate, it is ensured that upper piston rod 8.1st, lower piston rod 8.2 is along its axially-movable.The first sensor being connected with external control system is provided with horizontal cylinder body 7 38 and second sensor 39, that can slide axially along which and be fixedly connected with upper junction plate 36 is equipped with first sensor 38 One scale 40, is equipped with the second scale that can be slid axially along which and be fixedly connected with lower connecting plate 37 in second sensor 39 41.As such, it is possible to passing through external control system passes to first sensor 38 and second sensor 39 by control signal, control The displacement of 8.2 axially-movable of upper piston rod 8.1 and lower piston rod.
More than, specific embodiment only of the present utility model, it is noted that any those of ordinary skill in the art exist In technical scope disclosed in this utility model, the change or replacement that can be readily occurred in should all be covered in guarantor of the present utility model Within the scope of shield.

Claims (7)

1. a kind of rolling-mill middle roller mechanism for axial adjusting, it is characterised in that:Including with identical structure and formula symmetrical above and below arrangement Upper transverse-moving mechanism (1) and lower transverse-moving mechanism (2), be detachably connected with upper transverse-moving mechanism (1), lower transverse-moving mechanism (2) respectively Structure is identical and the upper middle roller assembly (3) and lower middle roller assembly (4) of formula symmetrical above and below arrangement, for driving upper transverse-moving mechanism (1) and lower transverse-moving mechanism (2) double-piston cylinder (5) axially movable, and for installing double-piston cylinder (5), upper traversing The frame (6) of mechanism (1) and lower transverse-moving mechanism (2);
The double-piston cylinder (5) include the horizontal cylinder body (7) being fixedly connected with frame (6), be located in horizontal cylinder body (7) and The upper piston rod (8.1) be arrangeding in parallel up and down and lower piston rod (8.2), the telescopic end of the upper piston rod (8.1) stretch into frame (6) inner chamber is axially connected with upper transverse-moving mechanism (1), and the telescopic end of the lower piston rod (8.2) stretches into frame (6) inner chamber with lower horizontal stroke Telephone-moving structure (2) axially connects;
The upper transverse-moving mechanism (1) and lower transverse-moving mechanism (2) include pull bar (9), hoist cylinder (10), and in semi-circular knot The gib head (11) of structure, one end of the pull bar (9) are hinged stretching for head assembly (12) and double-piston cylinder (5) piston rod by circle Contracting end is hinged, and the other end of the pull bar (9) is connected with gib head (11) by the square head assembly (13) that is hinged, the hoist cylinder (10) it is hinged in the middle part of telescopic end and pull bar (9), the cylinder body of the hoist cylinder (10) of the upper transverse-moving mechanism (1) passes frame (6) it is hinged with frame (6) top board in the middle part of top board and its cylinder body, the cylinder body of the hoist cylinder (10) of the lower transverse-moving mechanism (2) is worn Go out;
The upper middle roller assembly (3) and lower middle roller assembly (4) include intermediate calender rolls (14), are arranged on intermediate calender rolls (14) transmission The left bearing case (15) of side, and the right bearing case (16) of intermediate calender rolls (14) fore side is arranged on, left bearing case (15) bag Include housing (17), be arranged on housing (17) one end and union joint (18) that gib head (11) matches, to be arranged on housing (17) another The end cap (19) at end, and the first mandrel (20.1) for being located in housing (17), one end of the union joint (18) is provided with For the annular groove being embedded in for gib head (11), the other end of the union joint (18) is connected with housing (17) by screw thread;Institute One end of the first mandrel (20.1) is stated by bearing assembly (20) in housing (17), first mandrel (20.1) it is another One end is passed end cap (19) and is fixedly connected with one end of intermediate calender rolls (14) by half-and-half catcher (21), the intermediate calender rolls (14) it is another One end is fixedly connected with the second mandrel (20.2) being located in right bearing case (16) by half-and-half catcher (21).
2. rolling-mill middle roller mechanism for axial adjusting according to claim 1, it is characterised in that:It is described square to be hinged head assembly (13) oil connection (22) for being connected with external high pressure oil pipe is provided with, in the gib head (11) and union joint (18) Its internal oil circuit (23) is provided through, one end of the oil circuit (23) is connected with oil connection (22), the oil circuit (23) the other end and the intracavity inter-connection of left bearing case (15).
3. rolling-mill middle roller mechanism for axial adjusting according to claim 1 and 2, it is characterised in that:The square articulated joint The end face that component (13) and gib head (11) fit is provided with for preventing first O-ring seal (24) of oil leak, institute State the end face that gib head (11) and union joint (18) fit to be provided with for preventing the second O-ring seal of oil leak (25)。
4. rolling-mill middle roller mechanism for axial adjusting according to claim 1, it is characterised in that:Bearing assembly (20) bag Include be set on the first mandrel (20.1) the first ladder axle sleeve (26), the second ladder axle sleeve (27), be set in the first multidiameter Clutch shaft bearing (28), the second bearing (29) being set on the second ladder axle sleeve (27) on set (26), and it is arranged on first The first location nut (30) and the second location nut (31) between ladder axle sleeve (26) and the second ladder axle sleeve (27), described Compression spring (32) is additionally provided between one location nut (30) and the second location nut (31).
5. rolling-mill middle roller mechanism for axial adjusting according to claim 4, it is characterised in that:The second ladder axle sleeve (27) sealing ring (33) is provided with and end cap (19) between.
6. rolling-mill middle roller mechanism for axial adjusting according to claim 1 and 2, it is characterised in that:The horizontal cylinder body (7) On be provided with top guide bar (34) and lower guide rod (35), be provided with connection between the top guide bar (34) and upper piston rod (8.1) Plate (36), one end of the upper junction plate (36) are fixedly connected with the end of upper piston rod (8.1), the upper junction plate (36) The other end be set in top guide bar (34) but on and its slide axially;
It is provided with lower connecting plate (37) between the lower guide rod (35) and lower piston rod (8.2), the one of the lower connecting plate (37) End is fixedly connected with the end of lower piston rod (8.2), the other end of the lower connecting plate (37) be set on lower guide rod (35) and But which slides axially.
7. rolling-mill middle roller mechanism for axial adjusting according to claim 6, it is characterised in that:On the horizontal cylinder body (7) It is provided with the first sensor (38) and second sensor (39) being connected with external control system, the first sensor (38) On be equipped with the first scale (40) that can be slid axially along which and be fixedly connected with upper junction plate (36), the second sensor (39) the second scale (41) that can be slid axially along which and be fixedly connected with lower connecting plate (37) is equipped with.
CN201621048691.3U 2016-09-12 2016-09-12 Rolling-mill middle roller mechanism for axial adjusting Expired - Fee Related CN206065036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621048691.3U CN206065036U (en) 2016-09-12 2016-09-12 Rolling-mill middle roller mechanism for axial adjusting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621048691.3U CN206065036U (en) 2016-09-12 2016-09-12 Rolling-mill middle roller mechanism for axial adjusting

Publications (1)

Publication Number Publication Date
CN206065036U true CN206065036U (en) 2017-04-05

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ID=58437602

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621048691.3U Expired - Fee Related CN206065036U (en) 2016-09-12 2016-09-12 Rolling-mill middle roller mechanism for axial adjusting

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457526A (en) * 2018-01-31 2018-08-28 平湖广奕五金锁具有限公司 A kind of mandrel component convenient for adjusting
CN113172100A (en) * 2021-04-27 2021-07-27 四川易尚天交实业有限公司 Adjustable rolling guide and guard device for three-roller star-shaped precision rolling mill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457526A (en) * 2018-01-31 2018-08-28 平湖广奕五金锁具有限公司 A kind of mandrel component convenient for adjusting
CN113172100A (en) * 2021-04-27 2021-07-27 四川易尚天交实业有限公司 Adjustable rolling guide and guard device for three-roller star-shaped precision rolling mill
CN113172100B (en) * 2021-04-27 2022-06-17 四川易尚天交实业有限公司 Adjustable rolling guide and guard device for three-roller star-shaped precision rolling mill

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Effective date of registration: 20170629

Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs

Patentee after: WUHAN IRON AND STEEL Co.,Ltd.

Address before: 430083 Qingshan District, Hubei, Wuhan

Patentee before: WUHAN IRON AND STEEL Co.,Ltd.

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