CN202021198U - Four-cylinder hydraulic rolling mill - Google Patents

Four-cylinder hydraulic rolling mill Download PDF

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Publication number
CN202021198U
CN202021198U CN2011200430567U CN201120043056U CN202021198U CN 202021198 U CN202021198 U CN 202021198U CN 2011200430567 U CN2011200430567 U CN 2011200430567U CN 201120043056 U CN201120043056 U CN 201120043056U CN 202021198 U CN202021198 U CN 202021198U
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CN
China
Prior art keywords
hydraulic cylinder
hydraulic cylinders
rolling mill
hydraulic
cylinder
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.)
Expired - Fee Related
Application number
CN2011200430567U
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Chinese (zh)
Inventor
万飞
金敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baosteel Engineering and Technology Group Co Ltd
Original Assignee
Baosteel Engineering and Technology Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN2011200430567U priority Critical patent/CN202021198U/en
Application granted granted Critical
Publication of CN202021198U publication Critical patent/CN202021198U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a four-cylinder hydraulic rolling mill which is used for strip steel rolling equipment and comprises a rolling mill frame, wherein upper/lower hydraulic cylinders A, B, C and D are respectively arranged at the upper part and the lower part of the rolling mill frame; two sides of the rolling mill frame are respectively provided with small balance hydraulic cylinders; the upper ends of the two upper hydraulic cylinders are contacted with the top part of a window of the rolling mill frame through a pressure block, and the lower ends of the two upper hydraulic cylinders are contacted with the upper end of a bearing seat of an upper supporting roll through a pressure block; the two upper hydraulic cylinders are hung by the small balance hydraulic cylinders respectively, and piston rod heads of the small balance hydraulic cylinders are connected with the upper hydraulic cylinders; and the two lower hydraulic cylinders are arranged at the lower part of the window of the rolling mill frame, the lower ends of the two lower hydraulic cylinders are contacted with the lower part of the window of the rolling mill frame through a pressure block, and the upper ends of the two lower hydraulic cylinders are contacted with the lower end of a bearing seat of a lower supporting roll through a pressure block. In the utility model, the two hydraulic cylinders are used for controlling thickness in the process of strip steel rolling, and the other two hydraulic cylinders are used for regulating the positions of rolls. The four-cylinder hydraulic rolling mill has the beneficial effects that: the accuracy for regulating levelness of the roll is improved, the contact state among parts is changed, and the roll position can be regulated rapidly.

Description

Four cylinder hydraulic pressure rolling mills
Technical field
The utility model relates to a kind of belt steel rolling equipment, four cylinder hydraulic pressure rolling mills in particularly a kind of belt steel rolling equipment.
Background technology
In the prior art, known have two cylinder hydraulic pressure rolling mills, and two hydraulic cylinders of this rolling mill are arranged on the top or the bottom of rolling mill simultaneously, are used for rolling mill and bear roll-force, be used for thickness during rolled band steel and control automatically, and the position of after roll is refaced, adjusting roll line.With two hydraulic cylinder corresponding milling train bottoms or top, be provided with step pad and the wedge of adjusting roll location in this milling train.There is error in the thickness of the fore side of this rolling mill and transmission side step pad, might make top roll system be difficult to the adjustment level, influences the horizontal adjusting precision of rolling mill.The sliding bevel difficulty of processing of wedge is big, during use wearing and tearing very fast, make between cammed surface and the stress surface and can not well fit, influence stressed between each part, the localized crush phenomenon may appear, influenced the service life of part.Because these two defectives are with the quality of influence of rolled band steel.
The problem that prior art need solve is: cancellation step pad and wedge device, be replaced by two hydraulic cylinders.After adopting hydraulic cylinder, avoided using the shortcoming of step pad and wedge existence, be convenient to adjust the position of roll, improved the roll levelness of rolling mill and adjust precision.
Summary of the invention
The purpose of this utility model provides a kind of four cylinder hydraulic pressure rolling mills of adjusting roll location and horizontal accuracy, and to overcome the following shortcoming of two cylinder milling trains in the past: (1) can not effectively adjust the levelness of roll; (2) between step pad and the wedge and the phenomenon that has loose contact between other part; (3) can not change the position of topping roll or bottom roll fast.This purpose can be achieved through the following technical solutions.
Technical solution of the present utility model is as follows:
A kind of four cylinder hydraulic pressure rolling mills, be used for belt steel rolling equipment, comprise the rolling mill frame, hydraulic cylinder A and following hydraulic cylinder B are set respectively at upper rack and bottom, described upper rack and bottom also are equipped with hydraulic cylinder C and following hydraulic cylinder D respectively, in the frame both sides small-sized balance hydraulic cylinder are set respectively;
Two upper ends of going up hydraulic cylinder contact with rolling mill framework window top by pressure block, two lower ends of going up hydraulic cylinder contact with top backing up roll bearing block upper end by pressure block, go up hydraulic cylinder for two and respectively hung by small-sized balance hydraulic cylinder, the piston rod head of small-sized balance hydraulic cylinder links to each other with last hydraulic cylinder;
Two following hydraulic cylinders are arranged on the framework window bottom, and the lower end of two following hydraulic cylinders contacts with rolling mill framework window bottom by pressure block, and the upper end of two following hydraulic cylinders contacts with lower support roll bearing seat lower end by pressure block.
The quantity of described small-sized balance hydraulic cylinder is eight, is that transmission side and fore side set firmly four small-sized balance hydraulic cylinders respectively in the frame both sides.
The described piston amount of movement of going up hydraulic cylinder is 0~+ 500mm.
The piston amount of movement of described down hydraulic cylinder is 0~+ 500mm.
Former top of the frame of rolling mill or bottom are equipped with two hydraulic cylinders of A, B, and the utility model design is provided with two hydraulic cylinders of C, D again in the upper rack or the bottom of rolling mill.Above-mentioned four hydraulic cylinders wherein two hydraulic cylinders are used for rolled band steel the time THICKNESS CONTROL, two other hydraulic cylinder is used for adjusting roll location.
Four cylinder hydraulic pressure rolling mills of the present utility model have been cancelled step pad and wedge device, are replaced by two hydraulic cylinders.As requested, drive the piston of hydraulic cylinder up and down, adjust the top and bottom rolls position.
The beneficial effect of four cylinder hydraulic pressure rolling mills of the present utility model is: (1) improves the precision of adjusting the roll levelness; (2) contact condition between the change part; (3) rapid adjustment roll location.
Description of drawings
Fig. 1 is that the hydraulic cylinder up and down of a kind of four cylinder hydraulic pressure rolling mills of the present utility model is provided with figure.
Fig. 2 is that four hydraulic cylinders of a kind of four cylinder hydraulic pressure rolling mills of the present utility model are provided with figure.
Reference numeral:
1 is small-sized balance hydraulic cylinder, and 2 is last hydraulic cylinder, and 3 is top backing up roll, and 4 is last intermediate calender rolls, and 5 is top working roll, and 6 is the hydraulic cylinder piece, and 7 is bottom working roll, and 8 are following intermediate calender rolls, and 9 is the lower support roller, and 10 are following hydraulic cylinder, and 11 is the rolling mill frame.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of four cylinder hydraulic pressure rolling mills, be used for belt steel rolling equipment, mainly by rolling mill frame 11, two go up hydraulic cylinder 2, top backing up roll 3, go up intermediate calender rolls 4, top working roll 5, hydraulic cylinder piece 6, bottom working roll 7, intermediate calender rolls 8, lower support roller 9, two following hydraulic cylinders 10 and eight small-sized balance hydraulic cylinders 1 are formed down.
At upper rack and bottom upper and lower hydraulic cylinder A, B, C, D are set respectively, promptly hydraulic cylinder 2 on two are set, two following hydraulic cylinders 10 are set in frame 11 bottoms on frame 11 tops.Be provided with in order between last hydraulic cylinder 2 and the following hydraulic cylinder 10 top backing up roll 3, on intermediate calender rolls 4, top working roll 5, bottom working roll 7, intermediate calender rolls 8, lower support roller 9 down, hydraulic cylinder piece 6 is placed in the position, stage casing.In frame 11 both sides eight small-sized balance hydraulic cylinders 1 are installed, just transmission side and the fore side in frame 11 fixedly installs four small-sized balance hydraulic cylinders 1 respectively.
Two upper ends of going up hydraulic cylinder 2 contact with rolling mill frame 11 window tops by pressure block, and two lower ends of going up hydraulic cylinder 10 contact with top backing up roll 3 bearing blocks upper end by pressure block.Go up hydraulic cylinder 2 for two and respectively hung by small-sized balance hydraulic cylinder 1, the piston rod head of small-sized balance hydraulic cylinder 1 links to each other with last hydraulic cylinder 2.
Two following hydraulic cylinders 10 are arranged on frame 11 window bottoms, and the lower end of two following hydraulic cylinders 10 contacts with rolling mill frame 11 window bottoms by pressure block.The upper end of two following hydraulic cylinders 10 contacts with lower support roller 9 bearing block lower ends by pressure block.
Last hydraulic cylinder is connected displacement transducer respectively with following hydraulic cylinder, is used to adjust roll location.The piston amount of movement of last hydraulic cylinder is 0~+ 500mm.The piston amount of movement of following hydraulic cylinder is 0~+ 500mm.
Four cylinder hydraulic pressure rolling mills of the present utility model in actual use can be in the following way:
In rolling mill frame 11 both sides eight small-sized balance hydraulic cylinders 1 are installed, promptly transmission side and the fore side in frame 11 is provided with four small-sized balance hydraulic cylinders 1 respectively.The support that the piston rod head of small-sized balance hydraulic cylinder 1 is gone up hydraulic cylinder 2 cylinder bodies with two or is connected cylinder body links to each other, and is used to hang two last hydraulic cylinders 2.Two upper ends of going up hydraulic cylinder 2 contact with rolling mill framework window top by pressure block, and its lower end contacts with top backing up roll 3 bearing blocks upper end by pressure block.Two following hydraulic cylinders 10 are arranged on the framework window bottom, and the lower end contacts with rolling mill framework window bottom by pressure block, and the upper end contacts with lower support roller 9 bearing block lower ends by pressure block.Last hydraulic cylinder 2 adjustment top rolls are 3,4,5 position, and following hydraulic cylinder 10 adjustment lower rolls are 7,8,9 position.When needs were adjusted the position of roll, hydraulic cylinder piston moved as requested up and down.When hydraulic cylinder piston moved, small-sized balance hydraulic cylinder 1 can servo-actuated.The adjustment of hydraulic cylinder distance is 0~+ 500mm.
In sum, four cylinder hydraulic pressure rolling mills of the present utility model have been cancelled step pad and wedge device, are replaced by two hydraulic cylinders.Upper and lower four hydraulic cylinders wherein two hydraulic cylinders are used for rolled band steel the time THICKNESS CONTROL, two other hydraulic cylinder is used for adjusting roll location.As requested, drive the piston of hydraulic cylinder up and down, adjust the top and bottom rolls position.The beneficial effects of the utility model are: improve the precision of adjusting the roll levelness; Change the contact condition between the part; The rapid adjustment roll location.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the utility model, and be not with opposing qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim the variation of the foregoing description, modification etc.

Claims (4)

1. cylinder hydraulic pressure rolling mill, be used for belt steel rolling equipment, comprise the rolling mill frame, at upper rack and bottom hydraulic cylinder A and following hydraulic cylinder B are set respectively, it is characterized in that: described upper rack and bottom also are equipped with hydraulic cylinder C and following hydraulic cylinder D respectively, in the frame both sides small-sized balance hydraulic cylinder are set respectively;
Two upper ends of going up hydraulic cylinder contact with rolling mill framework window top by pressure block, two lower ends of going up hydraulic cylinder contact with top backing up roll bearing block upper end by pressure block, go up hydraulic cylinder for two and respectively hung by small-sized balance hydraulic cylinder, the piston rod head of small-sized balance hydraulic cylinder links to each other with last hydraulic cylinder;
Two following hydraulic cylinders are arranged on the framework window bottom, and the lower end of two following hydraulic cylinders contacts with rolling mill framework window bottom by pressure block, and the upper end of two following hydraulic cylinders contacts with lower support roll bearing seat lower end by pressure block.
2. according to four cylinder hydraulic pressure rolling mills described in the claim 1, it is characterized in that: the quantity of described small-sized balance hydraulic cylinder is eight, is that transmission side and fore side set firmly four small-sized balance hydraulic cylinders respectively in the frame both sides.
3. according to four cylinder hydraulic pressure rolling mills described in the claim 1, it is characterized in that: the described piston amount of movement of going up hydraulic cylinder is 0~+ 500mm.
4. according to four cylinder hydraulic pressure rolling mills described in the claim 1, it is characterized in that: the piston amount of movement of described down hydraulic cylinder is 0~+ 500mm.
CN2011200430567U 2011-02-21 2011-02-21 Four-cylinder hydraulic rolling mill Expired - Fee Related CN202021198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200430567U CN202021198U (en) 2011-02-21 2011-02-21 Four-cylinder hydraulic rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200430567U CN202021198U (en) 2011-02-21 2011-02-21 Four-cylinder hydraulic rolling mill

Publications (1)

Publication Number Publication Date
CN202021198U true CN202021198U (en) 2011-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200430567U Expired - Fee Related CN202021198U (en) 2011-02-21 2011-02-21 Four-cylinder hydraulic rolling mill

Country Status (1)

Country Link
CN (1) CN202021198U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107639697A (en) * 2017-11-07 2018-01-30 安吉恒盛竹木有限公司 A kind of multi-purpose cold press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107639697A (en) * 2017-11-07 2018-01-30 安吉恒盛竹木有限公司 A kind of multi-purpose cold press

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111102

Termination date: 20150221

EXPY Termination of patent right or utility model