CN103658198A - Pinch roll in front of rolling mill - Google Patents
Pinch roll in front of rolling mill Download PDFInfo
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- CN103658198A CN103658198A CN201310751060.2A CN201310751060A CN103658198A CN 103658198 A CN103658198 A CN 103658198A CN 201310751060 A CN201310751060 A CN 201310751060A CN 103658198 A CN103658198 A CN 103658198A
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- pinch roll
- side frame
- hydraulic cylinder
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- bearing
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Abstract
The invention discloses a pinch roll in front of a rolling mill. The pinch roll comprises a frame, rolls, transmission devices, hydraulic cylinders and a mill body auxiliary tube, wherein the frame comprises a left side frame sheet, a right side frame sheet, and an upper transverse beam and a lower transverse beam which are fixedly connected between the left side frame sheet and the right side frame sheet; a frame window is enclosed by the left and right side frame sheets and the upper and lower transverse beams; the inner side wall of the frame window is provided with a slide plate; two hydraulic cylinders are fixed on the tops of the left side frame sheet and the right side frame sheet respectively; the two ends of a lower pinch roll are supported on lower pinch roll bearing bases of the left and right side frame sheets respectively through bearings; the two ends of an upper pinch roll are supported on bearing bases respectively through bearings; the two bearing bases are connected with piston rods of the two hydraulic cylinders on the tops of the left and right side frame sheets; the upper and lower pinch rolls are driven by the respective transmission device respectively. The pinch roll has the beneficial effects that the technical problem of pinching of strip steel into a finishing mill during connection operation between a steekle mill unit and the finishing mill is solved, tension can be borne, and the strip steel can be prevented from tilting and damaging the shell of a coiler furnace.
Description
Technical field
The present invention is metallurgical technology field, relates in particular to auxiliary finishing mill rolling equipment in metallurgical production hot continuous rolling steekle mill unit.
Background technology
During China's metallurgy industry is produced, steekle mill unit is a kind of rear hot continuous rolling technology of sending out.The steekle mill unit of prior art is limited because equipment forms, and has limited production capacity raising.For utilizing to greatest extent steekle mill, can on existing rolling line basis, after steekle mill, set up several finishing mills, reduce rolling pass to improve production capacity.Therefore need to before mm finishing mill unit, arrange and pinch and guide device, for pinching band steel, enter finishing mill, and bear tension force, prevent from being with steel perk to damage simultaneously and batch furnace shell.
Summary of the invention
The object of this invention is to provide the pinch roll before a kind of mm finishing mill unit, solve the problem that pinches of setting up finishing mill after steekle mill.
Technical scheme of the present invention is: pinch roll before milling train, comprise frame, roller, transmission device, hydraulic cylinder and body pipe arrangement, it is characterized in that described frame comprise two the side frame sheets in left and right and be fixedly connected on the entablature on top between left and right sides frame pieces and left and right sides frame pieces between the sill of bottom, left and right sides frame pieces and lower and upper cross-member surround framework window, the framework window madial wall of left and right sides frame pieces is provided with slide plate and bottom pinch roll bearing block, and bottom pinch roll bearing block is fixed on framework window madial wall bottom; Described hydraulic cylinder is two, is separately fixed at left and right sides frame pieces top, and hydraulic cylinder is controlled by controlling organization; Described roller comprises top pinch roll and bottom pinch roll, bottom pinch roll two ends are respectively by bearings on the bottom pinch roll bearing block on the framework window madial wall of left and right sides frame pieces, top pinch roll two ends are supported on respectively on bearing block by bearing, two bearing blocks are connected with the piston rod of two hydraulic cylinders at left and right sides frame pieces top respectively, match with the slide plate on framework window madial wall in bearing block bottom surface; Described transmission device comprises the reducing gear that two covers are separate, reducing gear comprises decelerator and motor, motor is connected with decelerator, the decelerator of two cover reducing gears is connected with bottom pinch roll with top pinch roll respectively, described body pipe arrangement comprises: hydraulic piping, drier oil pipe arrangement, cooling water pipe and thin oil pipe arrangement, hydraulic piping is connected with hydraulic cylinder, for driving hydraulic cylinder; Drier oil pipe arrangement is connected with the mating surface between slide plate with top pinch roll two end axles bearing, bottom pinch roll two end axles bearing and bearing block bottom surface respectively, lubricated for lubricating bearings and sliding surface; Cooling water pipe is connected with bottom pinch roll with top pinch roll with bottom pinch roll two ends swivel joint by top pinch roll respectively, for roller internal cooling; Thin oil pipe arrangement is connected respectively with the decelerator of two cover reducing gears, for the circulating cooling of hydraulic speed reducer internal gear and lubricated.
Pinch roll before milling train of the present invention, is characterized in that described top pinch roll and bottom pinch roll are hollow roll bodies, and roll surface is covered with wearable hard alloy.
Pinch roll before milling train of the present invention, is characterized in that the bearing at described top pinch roll and bottom pinch roll two ends is aligning antifriction bearings.
Pinch roll before milling train of the present invention, is characterized in that described hydraulic cylinder is provided with displacement transducer, controls the hydraulic cylinder piston throw of lever.
Before milling train of the present invention, pinch roll is according to the roll gap size of adjusting with the thickness of steel between upper and lower pinch roll, thereby regulates the chucking power between upper and lower pinch roll.Roll gap is adjusted by displacement transducer according to the value of setting by hydraulic cylinder.
The invention has the beneficial effects as follows: solved steekle mill unit and be connected operation with finishing mill, pinched the technical problem that enters finishing mill with steel, can bear tension force and can prevent from being with steel perk to damage and batch furnace shell.Pinch roll is always in clamped condition in moving belt steel process, and top pinch roll and finishing mill rotate with same line speed; After band steel enters F1 finishing mill, top pinch roll is mentioned certain altitude, and does not fall in the unit operation of rolling.
Accompanying drawing explanation
Fig. 1 is frame for movement schematic diagram of the present invention
Fig. 2 is machinery of the present invention use location schematic diagram on rolling line
In figure, 1. motor; 2. reductor; 3. frame; 4. top pinch roll; 5. bottom pinch roll; 6. hydraulic cylinder, 7. coiler furnace before machine; 8. steekle mill; 9. coiler furnace after machine; 10. pinch roll before milling train; 11. guide and guard and kink; 12.F1 finishing mill; 13. rolled piece band steel.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Fig. 2 pinches roll structure schematic diagram before milling train of the present invention.Comprise frame 3, roller, transmission device, hydraulic cylinder 6 and body pipe arrangement, frame 3 comprise two the side frame sheets in left and right and be fixedly connected on the entablature on top between left and right sides frame pieces and left and right sides frame pieces between the sill of bottom, left and right sides frame pieces and lower and upper cross-member surround framework window, the framework window madial wall of left and right sides frame pieces is provided with slide plate and bottom pinch roll bearing block, and bottom pinch roll bearing block is fixed on framework window madial wall bottom; Hydraulic cylinder 6 is two, is separately fixed at left and right sides frame pieces top, and hydraulic cylinder 6 is provided with displacement transducer, controls the hydraulic cylinder piston throw of lever, and hydraulic cylinder 6 is controlled by controlling organization; Roller comprises top pinch roll 4 and bottom pinch roll 5, and top pinch roll 4 and bottom pinch roll 5 are hollow roll bodies, and roll surface is covered with wearable hard alloy, and the bearing at top pinch roll 4 and bottom pinch roll 5 two ends is aligning antifriction bearings; Bottom pinch roll 5 two ends are respectively by bearings on the bottom pinch roll bearing block on the framework window madial wall of left and right sides frame pieces, top pinch roll 4 two ends are supported on respectively on bearing block by bearing, two bearing blocks are connected with the piston rod of two hydraulic cylinders 6 at left and right sides frame pieces top respectively, match with the slide plate on framework window madial wall in bearing block bottom surface; Transmission device comprises the reducing gear that two covers are separate, reducing gear comprises decelerator 2 and motor 1, motor 1 is connected with decelerator 2, the decelerator 2 of two cover reducing gears is connected with bottom pinch roll 5 with top pinch roll 4 respectively, body pipe arrangement comprises hydraulic piping, drier oil pipe arrangement, cooling water pipe and thin oil pipe arrangement, hydraulic piping is connected with hydraulic cylinder 6, for driving hydraulic cylinder 6; Drier oil pipe arrangement is connected with the mating surface between slide plate with bearing block bottom surface with top pinch roll 4 two end axles bearings, bottom pinch roll 5 two end axles bearings respectively, lubricated for lubricating bearings and sliding surface; Cooling water pipe is connected with bottom pinch roll 5 with top pinch roll 4 with bottom pinch roll 5 two ends swivel joints by top pinch roll 4 respectively, for roller internal cooling; Thin oil pipe arrangement is connected respectively with the decelerator 2 of two cover reducing gears, for the circulating cooling of hydraulic speed reducer internal gear and lubricated.
Before milling train, pinch roll 10 is positioned at after steekle mill 8, before F1 finishing mill 12, for steekle mill 8 slab clamping is out fed to F1 finishing mill 12, the auxiliary rolling of nipping, and coordinate the front guide and guard of F1 finishing mill 12 and kink 11 to form rolling tensile force, prevent with coiler furnace 9 after the machine of steel perk damage steekle mill 8.
Before milling train, pinch roll is to move continuously aperiodic.Top pinch roll 4 is set roll gap by hydraulic cylinder 6 before rolled piece band steel 13 arrives; Pinch roll in transporting rolled piece band steel process always in clamped condition; After rolled piece band steel enters F1 finishing mill 12, top pinch roll 4 is mentioned certain altitude; During unit high-speed rolling, hydraulic cylinder 6 mustn't fall clamping; When top pinch roll hydraulic cylinder is mentioned, top pinch roll 4 rotates with same line speed with F1 finishing mill 12.
Claims (4)
1. pinch roll before milling train, comprise frame (3), roller, transmission device, hydraulic cylinder (6) and body pipe arrangement, it is characterized in that described frame (3) comprise two the side frame sheets in left and right and be fixedly connected on the entablature on top between left and right sides frame pieces and left and right sides frame pieces between the sill of bottom, left and right sides frame pieces and lower and upper cross-member surround framework window, the framework window madial wall of left and right sides frame pieces is provided with slide plate and bottom pinch roll bearing block, and bottom pinch roll bearing block is fixed on framework window madial wall bottom; Described hydraulic cylinder (6) is two, is separately fixed at left and right sides frame pieces top, and hydraulic cylinder (6) is controlled by controlling organization; Described roller comprises top pinch roll (4) and bottom pinch roll (5), bottom pinch roll (5) two ends are respectively by bearings on the bottom pinch roll bearing block on the framework window madial wall of left and right sides frame pieces, top pinch roll (4) two ends are supported on respectively on bearing block by bearing, two bearing blocks are connected with the piston rod of two hydraulic cylinders (6) at left and right sides frame pieces top respectively, match with the slide plate on framework window madial wall in bearing block bottom surface; Described transmission device comprises the reducing gear that two covers are separate, reducing gear comprises decelerator (2) and motor (1), motor (1) is connected with decelerator (2), the decelerator (2) of two cover reducing gears is connected with bottom pinch roll (5) with top pinch roll (4) respectively, described body pipe arrangement comprises hydraulic piping, drier oil pipe arrangement, cooling water pipe and thin oil pipe arrangement, hydraulic piping is connected with hydraulic cylinder (6), for driving hydraulic cylinder (6); Drier oil pipe arrangement is connected with the mating surface between slide plate with bearing block bottom surface with top pinch roll (4) two end axles bearing, bottom pinch roll (5) two end axles bearing respectively, lubricated for lubricating bearings and sliding surface; Cooling water pipe is connected with bottom pinch roll (5) with top pinch roll (4) with bottom pinch roll (5) two ends swivel joint by top pinch roll (4) respectively, for roller internal cooling; Thin oil pipe arrangement is connected respectively with the decelerators (2) of two cover reducing gears, for the circulating cooling of hydraulic speed reducer internal gear and lubricate.
2. pinch roll before milling train according to claim 1, is characterized in that described top pinch roll (4) and bottom pinch roll (5) are hollow roll bodies, and roll surface is covered with wearable hard alloy.
3. pinch roll before milling train according to claim 1, is characterized in that the bearing at described top pinch roll (4) and bottom pinch roll (5) two ends is aligning antifriction bearings.
4. pinch roll before milling train according to claim 1, is characterized in that described hydraulic cylinder (6) is provided with displacement transducer, controls the hydraulic cylinder piston throw of lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751060.2A CN103658198A (en) | 2013-12-31 | 2013-12-31 | Pinch roll in front of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751060.2A CN103658198A (en) | 2013-12-31 | 2013-12-31 | Pinch roll in front of rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN103658198A true CN103658198A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310751060.2A Pending CN103658198A (en) | 2013-12-31 | 2013-12-31 | Pinch roll in front of rolling mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148528A (en) * | 2014-08-22 | 2014-11-19 | 苏州昌飞自动化设备厂 | Feeding mechanism of automatic cutting machine for welded steel tube coil |
| CN104162550A (en) * | 2014-08-20 | 2014-11-26 | 成都冶金实验厂有限公司 | Tungsten carbide pinch roll device |
| CN108163444A (en) * | 2018-02-13 | 2018-06-15 | 武汉天蝎建筑装备有限公司 | Double drive aluminum alloy pattern plate conveyers |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6358645B2 (en) * | 1982-09-01 | 1988-11-16 | ||
| CN1733583A (en) * | 2005-07-01 | 2006-02-15 | 西安重型机械研究所 | Method for controlling novel open-head pinch roll and apparatus thereof |
| CN1846889A (en) * | 2006-05-11 | 2006-10-18 | 攀钢集团攀枝花钢铁研究院 | Pinch roll unit |
| CN201231253Y (en) * | 2008-07-22 | 2009-05-06 | 天津天重中直科技工程有限公司 | Hot strip tapping device capable of adjusting the clearance of friction roller |
| CN201768751U (en) * | 2010-08-25 | 2011-03-23 | 一重集团大连设计研究院有限公司 | Novel pinch roll device for steckel mill |
| CN203635629U (en) * | 2013-12-31 | 2014-06-11 | 一重集团大连设计研究院有限公司 | Front pinch roll of rolling mill |
-
2013
- 2013-12-31 CN CN201310751060.2A patent/CN103658198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6358645B2 (en) * | 1982-09-01 | 1988-11-16 | ||
| CN1733583A (en) * | 2005-07-01 | 2006-02-15 | 西安重型机械研究所 | Method for controlling novel open-head pinch roll and apparatus thereof |
| CN1846889A (en) * | 2006-05-11 | 2006-10-18 | 攀钢集团攀枝花钢铁研究院 | Pinch roll unit |
| CN201231253Y (en) * | 2008-07-22 | 2009-05-06 | 天津天重中直科技工程有限公司 | Hot strip tapping device capable of adjusting the clearance of friction roller |
| CN201768751U (en) * | 2010-08-25 | 2011-03-23 | 一重集团大连设计研究院有限公司 | Novel pinch roll device for steckel mill |
| CN203635629U (en) * | 2013-12-31 | 2014-06-11 | 一重集团大连设计研究院有限公司 | Front pinch roll of rolling mill |
Non-Patent Citations (2)
| Title |
|---|
| 瓦雄洛夫: "《冶金设备润滑》", 31 December 1956, 机械工业出版社 * |
| 董志奎: "卷取机前夹送辊设备简介", 《一重技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162550A (en) * | 2014-08-20 | 2014-11-26 | 成都冶金实验厂有限公司 | Tungsten carbide pinch roll device |
| CN104148528A (en) * | 2014-08-22 | 2014-11-19 | 苏州昌飞自动化设备厂 | Feeding mechanism of automatic cutting machine for welded steel tube coil |
| CN108163444A (en) * | 2018-02-13 | 2018-06-15 | 武汉天蝎建筑装备有限公司 | Double drive aluminum alloy pattern plate conveyers |
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Application publication date: 20140326 |