CN203678854U - Side bearing device of working roll of cold rolling mill - Google Patents
Side bearing device of working roll of cold rolling mill Download PDFInfo
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- CN203678854U CN203678854U CN201320889694.XU CN201320889694U CN203678854U CN 203678854 U CN203678854 U CN 203678854U CN 201320889694 U CN201320889694 U CN 201320889694U CN 203678854 U CN203678854 U CN 203678854U
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- side bearing
- roller
- roll
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- channel steel
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Abstract
Provided is a side bearing device of a working roll of a cold rolling mill. The side bearing device comprises fixed devices, moving devices, side bearing roll swing rod devices and side bearing roll systems; oil motors, worm wheel and worm mechanisms and lead screw mechanisms are installed on the fixed devices; horizontal slide grooves are arranged in the fixed device; screw thread holes matching the lead screw mechanism, and slide keys matching the slide grooves of the fixed devices are arranged in the moving devices; each of the swing rod device comprises two fixed arms, a swing beam and two hydraulic cylinders; the fixed arms of each of the swing rod device are fixedly installed on the inner side of an intermediate roll and bending roll moving block; the intermediate roll and bending roll moving blocks move up and down along bending roll fixing blocks; each of the bending roll fixing blocks is buckled on a rolling mill stand; each of the side bearing roll systems comprises two support seats, one side bearing roll and two rows of backing rolls; and the side bearing roll systems are fixed on the swing beams of the swing rod devices. The beneficial effects are that when rolling ultra-thin and ultra-hard cold rolling strip steel, the side bearing device is capable of preventing the work roll from bending in the horizontal direction in a stable rolling state, and is simple and novel in structure and quality of rolled products is high.
Description
Technical field
The utility model belongs to technical field of metallurgical machinery, relates in particular to cold rolling mill work roller side bearing device.
Background technology
The rolling of domestic straight carbon steel strip is mainly taking six-roll cold mill as main, but because six-roll cold mill work roll diameter is larger, can not meet strip in razor-thin, silicon steel and stainless rolling.To strip in razor-thin, silicon steel and rolled stainless steel greatly mainly with mill rolling.The work roll diameter of mill is in Φ 50 left and right, and roller diameter small deformation district contact area is few, and roll-force reduces, can ultra-thin, the superhard band steel of rolling.But the deficiency of mill is: frame and roller are processed complex, and in milling train, space is little, the lubricated difficulty of roller system, and the band steel of rolling can not be too wide, and mill speed can not be too high, and unit yields poorly, and can not be widely used.If the working roll of six-high cluster mill is reduced to enough little ultra-thin, superhard bands that is rolled, the bending that the front and back tension force of band makes the working roll of minor diameter produce horizontal direction, has a strong impact on plate shape, thickness of slab and the surface quality of rolling final finished band steel.
Summary of the invention
In view of existing deficiency in above-mentioned prior art, the purpose of this utility model is a kind of novel cold rolling mill work roller side bearing device of design, while solving ultra-thin, the superhard band steel of minor diameter working roll rolling, the tension force of band makes the bending of the working roll generation horizontal direction of minor diameter, has a strong impact on the technical problem of plate shape, thickness of slab and the surface quality of rolling final finished band steel.
The technical solution of the utility model is: a kind of cold rolling mill work roller side bearing device, comprise fixture, mobile device, side bearing roller oscillating rod device and side bearing roller system, it is characterized in that: described fixture comprises channel steel shape framework, oil motor, worm-and-wheel gear and screw mechanism, the interposition of channel steel shape framework two wallboards installs twice horizontal concrete chute, two oil motors are arranged on channel steel shape chassis base, lay respectively at the centre on two limits of base plate, four worm-and-wheel gears are arranged on channel steel shape chassis base, lay respectively at four angles place of base plate, be arranged on channel steel shape chassis base top the input of two worm-and-wheel gears be connected with the oil motor that is arranged on centre position, top, the input that is arranged on two following worm-and-wheel gears of channel steel shape chassis base is connected with the oil motor that is arranged on following centre position, described screw mechanism is quadruplet, quadruplet screw mechanism be arranged on respectively four worm-and-wheel gears before, the output of four worm-and-wheel gears is connected with quadruplet screw mechanism respectively, the leading screw of screw mechanism is parallel with chute, two relative putting together on inside rolling-mill housing fore side and transmission side of channel steel shape frame openings, described mobile device comprises four rectangular blocks, each square type piece matches with the internal orifice of fixture channel steel shape framework, the two ends of a pair of long side surface of each square type piece have the screwed hole coordinating with screw mechanism, a pair of short side is provided with the feather key coordinating with fixture chute, feather key is positioned at bottom, the short side of square type piece, four rectangular blocks are arranged in the internal orifice of fixture channel steel shape framework, each two of rolling-mill housing entrance side and outlet side, be arranged above and below, feather key is placed in fixture chute, and screwed hole is connected with the leading screw of screw mechanism, described oscillating rod device is quadruplet, every cover oscillating rod device comprises two fixed arms, a walking beam and two hydraulic cylinders, walking beam two ends are arranged on two fixed arm front ends by bearing, two hydraulic cylinders are fixed on two fixed arm rear ends, hydraulic cylinder piston rod front end and top, walking beam two ends are hinged, two fixed arms of a set of oscillating rod device are fixedly mounted on the inner side of intermediate calender rolls roller movable block, intermediate calender rolls roller movable block moves up and down along intermediate calender rolls roller fixed block, intermediate calender rolls roller fixed block puts together in rolling-mill housing, walking beam is positioned at mobile device rectangular block leading flank front end, described side bearing roller is quadruplet, each side bearing roller system comprises two supporting seats, side bearing roller and two row backing rollers, side bearing roller and two row backing roller two ends by bearings on two supporting seats, two row backing roller roll surfaces recline with side bearing roller roll surface respectively, two supporting seats of a side bearing roller system are fixed on the walking beam of an oscillating rod device, before side bearing roller is positioned at.
A kind of cold rolling mill work roller side bearing device described in the utility model, is characterized in that; Described side bearing roller roller footpath is 0.8～1.2 times of working roll roller footpath, and the roller footpath of described backing roller is 1/2～2/3 of side bearing roller roller footpath.
The course of work of cold rolling mill work roller side bearing device of the present utility model is: when as-rolled condition, drive oil motor, drive worm-and-wheel gear, worm-and-wheel gear drives screw mechanism, screw mechanism drives mobile device, mobile device moves forward and leans on the walking beam of oscillating rod device, promotes walking beam and drives side bearing roller system to side oscillation in milling train, makes side bearing roller system act on respectively upper and lower working roll both sides.When roll change state, drive oil motor to retract, drive mobile device retraction, the walking beam of oscillating rod device is moving to backswing under hydraulic cylinder effect, makes side bearing roller system shift out together milling train window, ensures the normal replacing of working roll and intermediate calender rolls.
Before normal rolling, first drive outlet side backing roll and be positioned at desired location (by two displacement transducer feedback signals) by displacement closed-loop control.Then Driver Entry side bearing roller be positioned at desired location (by pressure sensor feedback signal) by pressure closed loop control, auxiliary control (by the displacement transducer feedback signal) of displacement makes entrance side supporting arrangement and outlet side supporting arrangement clamp working roll, ensures that working roll is positioned at all the time the fixed position of rolling outlet side in the time of work.
The beneficial effects of the utility model are: at ultra-thin, the superhard cold-strip steel of rolling, work roll diameter hour, the forward and backward tension force of band is large, can make the working roll of minor diameter produce the bending of horizontal direction, because working roll side bearing device can act on upper and lower working roll both sides when the rolling, prevent that working roll from producing the bending of horizontal direction, keep cold-rolling mill as-rolled condition stable, be conducive to control finished product Strip Shape and surface quality.
This device has that novel structure, the operation of rolling are stable, the good product quality of rolling, advantages of simple structure and simple, will produce positive social benefit and significant economic benefit.
Brief description of the drawings
Fig. 1 is that cold rolling mill work roller side bearing device master of the present utility model looks schematic diagram
Fig. 2 is fixture axle side schematic diagram
Fig. 3 is mobile device schematic perspective view
Fig. 4 is that side backing roll system and side support oscillating rod device schematic perspective view
Fig. 5 is that side supports oscillating rod device and intermediate calender rolls roller movable block schematic perspective view
In figure: 1. oil motor, 2. worm-and-wheel gear, 3. screw mechanism, 4. fixture, 5. mobile device, 6. side bearing roller system, 7. side bearing roller oscillating rod device, 8. rolling-mill housing, 9. working roll, 10. intermediate calender rolls, 11. chutes, 12. feather keys, 13. fixed arms, 14. walking beams, 15. hydraulic cylinders, 16. intermediate calender rolls roller movable blocks, 17. intermediate calender rolls roller fixed blocks.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Specific embodiment of the utility model as shown in drawings, device comprises fixture 4, mobile device 5, side bearing roller oscillating rod device 7 and side bearing roller are 6, fixture 4 comprises channel steel shape framework, oil motor 1, worm-and-wheel gear 2 and screw mechanism 3, the interposition of channel steel shape framework two wallboards installs twice horizontal concrete chute 11, two oil motors 1 are arranged on channel steel shape chassis base, lay respectively at the centre on two limits of base plate, four worm-and-wheel gears 2 are arranged on channel steel shape chassis base, lay respectively at four angles place of base plate, be arranged on channel steel shape chassis base top the input of two worm-and-wheel gears 2 be connected with the oil motor that is arranged on centre position, top, the input that is arranged on two following worm-and-wheel gears 2 of channel steel shape chassis base is connected with the oil motor that is arranged on following centre position, screw mechanism 3 is quadruplet, quadruplet screw mechanism 3 be arranged on respectively four worm-and-wheel gears 2 before, the output of four worm-and-wheel gears 2 is connected with quadruplet screw mechanism 3 respectively, the leading screw of screw mechanism 3 is parallel with chute, relative the putting together on inside rolling-mill housing 8 fore sides and transmission side of channel steel shape frame openings of two fixtures 4, mobile device 5 comprises four rectangular blocks, each square type piece matches with the internal orifice of fixture 4 channel steel shape frameworks, the two ends of a pair of long side surface of each square type piece have the screwed hole coordinating with screw mechanism 3, a pair of short side is provided with the feather key 12 coordinating with fixture chute 11, feather key 12 is positioned at bottom, the short side of square type piece, four rectangular blocks are arranged in the internal orifice of fixture 4 channel steel shape frameworks, each two of rolling-mill housing 8 entrance sides and outlet side, be arranged above and below, feather key 12 is placed in fixture chute 11, and screwed hole is connected with the leading screw of screw mechanism 3, oscillating rod device 7 is quadruplet, every cover oscillating rod device 7 comprises two fixed arms 13, a walking beam 14 and two hydraulic cylinders 15, walking beam 14 two ends are arranged on two fixed arm 13 front ends by bearing, two hydraulic cylinders 15 are fixed on two fixed arm 13 rear ends, hydraulic cylinder piston rod front end and walking beam 14 tops, two ends are hinged, two fixed arms 13 of a set of oscillating rod device 7 are fixedly mounted on the inner side of intermediate calender rolls roller movable block, intermediate calender rolls roller movable block moves up and down along intermediate calender rolls roller fixed block, intermediate calender rolls roller fixed block puts together in rolling-mill housing, walking beam 14 is positioned at mobile device 5 rectangular block leading flank front ends, side bearing roller is 6 for quadruplet, every cover side bearing roller is 6 to comprise two supporting seats, side bearing roller and two row backing rollers, side bearing roller and two row backing roller two ends by bearings on two supporting seats, two row backing roller roll surfaces recline with side bearing roller roll surface respectively, a set of side bearing roller is that two supporting seats of 6 are fixed on the walking beam 14 of an oscillating rod device 7, before side bearing roller is positioned at, side bearing roller roller footpath is 0.8～1.2 times of working roll roller footpath, and the roller footpath of backing roller is 1/2～2/3 of side bearing roller roller footpath.
Claims (2)
1. a cold rolling mill work roller side bearing device, comprise fixture (4), mobile device (5), side bearing roller oscillating rod device (7) and side bearing roller system (6), it is characterized in that: described fixture (4) comprises channel steel shape framework, oil motor (1), worm-and-wheel gear (2) and screw mechanism (3), the interposition of channel steel shape framework two wallboards installs twice horizontal concrete chute (11), two oil motors (1) are arranged on channel steel shape chassis base, lay respectively at the centre on two limits of base plate, four worm-and-wheel gears (2) are arranged on channel steel shape chassis base, lay respectively at four angles place of base plate, be arranged on channel steel shape chassis base top the input of two worm-and-wheel gears (2) be connected with the oil motor that is arranged on centre position, top, the input that is arranged on following two worm-and-wheel gears (2) of channel steel shape chassis base is connected with the oil motor that is arranged on following centre position, described screw mechanism (3) is quadruplet, quadruplet screw mechanism (3) be arranged on respectively four worm-and-wheel gears (2) before, the output of four worm-and-wheel gears (2) is connected with quadruplet screw mechanism (3) respectively, and the leading screw of screw mechanism (3) is parallel with chute, two relative putting together on inside rolling-mill housing (8) fore side and transmission side of channel steel shape frame openings, described mobile device (5) comprises four rectangular blocks, each square type piece matches with the internal orifice of fixture (4) channel steel shape framework, the two ends of a pair of long side surface of each square type piece have the screwed hole coordinating with screw mechanism (3), a pair of short side is provided with the feather key (12) coordinating with fixture chute (11), feather key (12) is positioned at bottom, the short side of square type piece, four rectangular blocks are arranged in the internal orifice of fixture (4) channel steel shape framework, each two of rolling-mill housing (8) entrance side and outlet side, be arranged above and below, feather key (12) is placed in fixture chute (11), screwed hole is connected with the leading screw of screw mechanism (3), described oscillating rod device (7) is quadruplet, every cover oscillating rod device (7) comprises two fixed arms (13), a walking beam (14) and two hydraulic cylinders (15), walking beam (14) two ends are arranged on two fixed arms (13) front end by bearing, two hydraulic cylinders (15) are fixed on two fixed arms (13) rear end, hydraulic cylinder piston rod front end and walking beam (14) top, two ends is hinged, two fixed arms (13) of a set of oscillating rod device (7) are fixedly mounted on the inner side of intermediate calender rolls roller movable block (16), intermediate calender rolls roller movable block (16) moves up and down along intermediate calender rolls roller fixed block (17), intermediate calender rolls roller fixed block (17) puts together in rolling-mill housing (8), walking beam (14) is positioned at mobile device (5) rectangular block leading flank front end, described side bearing roller system (6) is quadruplet, every cover side bearing roller system (6) comprises two supporting seats, side bearing roller and two row's backing rollers, side bearing roller and two row backing roller two ends by bearings on two supporting seats, two row's backing roller roll surfaces recline with side bearing roller roll surface respectively, two supporting seats of a set of side bearing roller system (6) are fixed on the walking beam (14) of an oscillating rod device (7), before side bearing roller is positioned at.
2. a kind of cold rolling mill work roller side bearing device according to claim 1, is characterized in that; Described side bearing roller roller footpath is 0.8～1.2 times of working roll roller footpath, and the roller footpath of described backing roller is 1/2～2/3 of side bearing roller roller footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889694.XU CN203678854U (en) | 2013-12-31 | 2013-12-31 | Side bearing device of working roll of cold rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889694.XU CN203678854U (en) | 2013-12-31 | 2013-12-31 | Side bearing device of working roll of cold rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678854U true CN203678854U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889694.XU Withdrawn - After Issue CN203678854U (en) | 2013-12-31 | 2013-12-31 | Side bearing device of working roll of cold rolling mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN203678854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658191A (en) * | 2013-12-31 | 2014-03-26 | 一重集团大连设计研究院有限公司 | Side supporting device of working roll of cold rolling machine |
-
2013
- 2013-12-31 CN CN201320889694.XU patent/CN203678854U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658191A (en) * | 2013-12-31 | 2014-03-26 | 一重集团大连设计研究院有限公司 | Side supporting device of working roll of cold rolling machine |
| CN103658191B (en) * | 2013-12-31 | 2015-06-24 | 一重集团大连设计研究院有限公司 | Side supporting device of working roll of cold rolling machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |